diff options
Diffstat (limited to 'src/mesa/main')
111 files changed, 75996 insertions, 0 deletions
diff --git a/src/mesa/main/accum.c b/src/mesa/main/accum.c new file mode 100644 index 0000000..315bd33 --- /dev/null +++ b/src/mesa/main/accum.c @@ -0,0 +1,97 @@ +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "accum.h" +#include "context.h" +#include "imports.h" +#include "macros.h" +#include "state.h" +#include "mtypes.h" + + +void GLAPIENTRY +_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha ) +{ + GLfloat tmp[4]; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + tmp[0] = CLAMP( red, -1.0F, 1.0F ); + tmp[1] = CLAMP( green, -1.0F, 1.0F ); + tmp[2] = CLAMP( blue, -1.0F, 1.0F ); + tmp[3] = CLAMP( alpha, -1.0F, 1.0F ); + + if (TEST_EQ_4V(tmp, ctx->Accum.ClearColor)) + return; + + FLUSH_VERTICES(ctx, _NEW_ACCUM); + COPY_4FV( ctx->Accum.ClearColor, tmp ); +} + + +void GLAPIENTRY +_mesa_Accum( GLenum op, GLfloat value ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint xpos, ypos, width, height; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->Visual.accumRedBits == 0 || ctx->DrawBuffer != ctx->ReadBuffer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glAccum"); + return; + } + + if (ctx->NewState) + _mesa_update_state( ctx ); + + if (ctx->RenderMode != GL_RENDER) { + /* no-op */ + return; + } + + /* Determine region to operate upon. */ + if (ctx->Scissor.Enabled) { + xpos = ctx->Scissor.X; + ypos = ctx->Scissor.Y; + width = ctx->Scissor.Width; + height = ctx->Scissor.Height; + } + else { + /* whole window */ + xpos = 0; + ypos = 0; + width = ctx->DrawBuffer->Width; + height = ctx->DrawBuffer->Height; + } + + ctx->Driver.Accum( ctx, op, value, xpos, ypos, width, height ); +} + +void +_mesa_init_accum( GLcontext *ctx ) +{ + /* Accumulate buffer group */ + ASSIGN_4V( ctx->Accum.ClearColor, 0.0, 0.0, 0.0, 0.0 ); +} diff --git a/src/mesa/main/accum.h b/src/mesa/main/accum.h new file mode 100644 index 0000000..ce92688 --- /dev/null +++ b/src/mesa/main/accum.h @@ -0,0 +1,62 @@ +/** + * \file accum.h + * Accumulation buffer operations. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef ACCUM_H +#define ACCUM_H + + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_Accum( GLenum op, GLfloat value ); + + +extern void GLAPIENTRY +_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha ); + +extern void +_mesa_init_accum( GLcontext *ctx ); + +#else + +/** No-op */ +#define _mesa_init_accum( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/api_arrayelt.c b/src/mesa/main/api_arrayelt.c new file mode 100644 index 0000000..626c92e --- /dev/null +++ b/src/mesa/main/api_arrayelt.c @@ -0,0 +1,1011 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* Author: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "glheader.h" +#include "api_arrayelt.h" +#include "context.h" +#include "glapi.h" +#include "imports.h" +#include "macros.h" +#include "mtypes.h" + +typedef void (GLAPIENTRY *array_func)( const void * ); + +typedef struct { + const struct gl_client_array *array; + array_func func; +} AEarray; + +typedef void (GLAPIENTRY *attrib_func)( GLuint indx, const void *data ); + +typedef struct { + const struct gl_client_array *array; + attrib_func func; + GLuint index; +} AEattrib; + +typedef struct { + AEarray arrays[32]; + AEattrib attribs[VERT_ATTRIB_MAX + 1]; + GLuint NewState; +} AEcontext; + +#define AE_CONTEXT(ctx) ((AEcontext *)(ctx)->aelt_context) + +/* + * Convert GL_BYTE, GL_UNSIGNED_BYTE, .. GL_DOUBLE into an integer + * in the range [0, 7]. Luckily these type tokens are sequentially + * numbered in gl.h, except for GL_DOUBLE. + */ +#define TYPE_IDX(t) ( (t) == GL_DOUBLE ? 7 : (t) & 7 ) + +static void GLAPIENTRY Color3bv(const GLbyte *v) +{ + GL_CALL(Color3bv)(v); +} + +static void GLAPIENTRY Color3ubv(const GLubyte *v) +{ + GL_CALL(Color3ubv)(v); +} + +static void GLAPIENTRY Color3sv(const GLshort *v) +{ + GL_CALL(Color3sv)(v); +} + +static void GLAPIENTRY Color3usv(const GLushort *v) +{ + GL_CALL(Color3usv)(v); +} + +static void GLAPIENTRY Color3iv(const GLint *v) +{ + GL_CALL(Color3iv)(v); +} + +static void GLAPIENTRY Color3uiv(const GLuint *v) +{ + GL_CALL(Color3uiv)(v); +} + +static void GLAPIENTRY Color3fv(const GLfloat *v) +{ + GL_CALL(Color3fv)(v); +} + +static void GLAPIENTRY Color3dv(const GLdouble *v) +{ + GL_CALL(Color3dv)(v); +} + +static void GLAPIENTRY Color4bv(const GLbyte *v) +{ + GL_CALL(Color4bv)(v); +} + +static void GLAPIENTRY Color4ubv(const GLubyte *v) +{ + GL_CALL(Color4ubv)(v); +} + +static void GLAPIENTRY Color4sv(const GLshort *v) +{ + GL_CALL(Color4sv)(v); +} + +static void GLAPIENTRY Color4usv(const GLushort *v) +{ + GL_CALL(Color4usv)(v); +} + +static void GLAPIENTRY Color4iv(const GLint *v) +{ + GL_CALL(Color4iv)(v); +} + +static void GLAPIENTRY Color4uiv(const GLuint *v) +{ + GL_CALL(Color4uiv)(v); +} + +static void GLAPIENTRY Color4fv(const GLfloat *v) +{ + GL_CALL(Color4fv)(v); +} + +static void GLAPIENTRY Color4dv(const GLdouble *v) +{ + GL_CALL(Color4dv)(v); +} + +static const array_func ColorFuncs[2][8] = { + { + (array_func) Color3bv, + (array_func) Color3ubv, + (array_func) Color3sv, + (array_func) Color3usv, + (array_func) Color3iv, + (array_func) Color3uiv, + (array_func) Color3fv, + (array_func) Color3dv, + }, + { + (array_func) Color4bv, + (array_func) Color4ubv, + (array_func) Color4sv, + (array_func) Color4usv, + (array_func) Color4iv, + (array_func) Color4uiv, + (array_func) Color4fv, + (array_func) Color4dv, + }, +}; + +static void GLAPIENTRY Vertex2sv(const GLshort *v) +{ + GL_CALL(Vertex2sv)(v); +} + +static void GLAPIENTRY Vertex2iv(const GLint *v) +{ + GL_CALL(Vertex2iv)(v); +} + +static void GLAPIENTRY Vertex2fv(const GLfloat *v) +{ + GL_CALL(Vertex2fv)(v); +} + +static void GLAPIENTRY Vertex2dv(const GLdouble *v) +{ + GL_CALL(Vertex2dv)(v); +} + +static void GLAPIENTRY Vertex3sv(const GLshort *v) +{ + GL_CALL(Vertex3sv)(v); +} + +static void GLAPIENTRY Vertex3iv(const GLint *v) +{ + GL_CALL(Vertex3iv)(v); +} + +static void GLAPIENTRY Vertex3fv(const GLfloat *v) +{ + GL_CALL(Vertex3fv)(v); +} + +static void GLAPIENTRY Vertex3dv(const GLdouble *v) +{ + GL_CALL(Vertex3dv)(v); +} + +static void GLAPIENTRY Vertex4sv(const GLshort *v) +{ + GL_CALL(Vertex4sv)(v); +} + +static void GLAPIENTRY Vertex4iv(const GLint *v) +{ + GL_CALL(Vertex4iv)(v); +} + +static void GLAPIENTRY Vertex4fv(const GLfloat *v) +{ + GL_CALL(Vertex4fv)(v); +} + +static void GLAPIENTRY Vertex4dv(const GLdouble *v) +{ + GL_CALL(Vertex4dv)(v); +} + +static const array_func VertexFuncs[3][8] = { + { + 0, + 0, + (array_func) Vertex2sv, + 0, + (array_func) Vertex2iv, + 0, + (array_func) Vertex2fv, + (array_func) Vertex2dv, + }, + { + 0, + 0, + (array_func) Vertex3sv, + 0, + (array_func) Vertex3iv, + 0, + (array_func) Vertex3fv, + (array_func) Vertex3dv, + }, + { + 0, + 0, + (array_func) Vertex4sv, + 0, + (array_func) Vertex4iv, + 0, + (array_func) Vertex4fv, + (array_func) Vertex4dv, + }, +}; + +static void GLAPIENTRY Indexubv(const GLubyte *c) +{ + GL_CALL(Indexubv)(c); +} + +static void GLAPIENTRY Indexsv(const GLshort *c) +{ + GL_CALL(Indexsv)(c); +} + +static void GLAPIENTRY Indexiv(const GLint *c) +{ + GL_CALL(Indexiv)(c); +} + +static void GLAPIENTRY Indexfv(const GLfloat *c) +{ + GL_CALL(Indexfv)(c); +} + +static void GLAPIENTRY Indexdv(const GLdouble *c) +{ + GL_CALL(Indexdv)(c); +} + +static const array_func IndexFuncs[8] = { + 0, + (array_func) Indexubv, + (array_func) Indexsv, + 0, + (array_func) Indexiv, + 0, + (array_func) Indexfv, + (array_func) Indexdv, +}; + +static void GLAPIENTRY Normal3bv(const GLbyte *v) +{ + GL_CALL(Normal3bv)(v); +} + +static void GLAPIENTRY Normal3sv(const GLshort *v) +{ + GL_CALL(Normal3sv)(v); +} + +static void GLAPIENTRY Normal3iv(const GLint *v) +{ + GL_CALL(Normal3iv)(v); +} + +static void GLAPIENTRY Normal3fv(const GLfloat *v) +{ + GL_CALL(Normal3fv)(v); +} + +static void GLAPIENTRY Normal3dv(const GLdouble *v) +{ + GL_CALL(Normal3dv)(v); +} + +static const array_func NormalFuncs[8] = { + (array_func) Normal3bv, + 0, + (array_func) Normal3sv, + 0, + (array_func) Normal3iv, + 0, + (array_func) Normal3fv, + (array_func) Normal3dv, +}; + +/* Wrapper functions in case glSecondaryColor*EXT doesn't exist */ +static void GLAPIENTRY SecondaryColor3bvEXT(const GLbyte *c) +{ + GL_CALL(SecondaryColor3bvEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3ubvEXT(const GLubyte *c) +{ + GL_CALL(SecondaryColor3ubvEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3svEXT(const GLshort *c) +{ + GL_CALL(SecondaryColor3svEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3usvEXT(const GLushort *c) +{ + GL_CALL(SecondaryColor3usvEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3ivEXT(const GLint *c) +{ + GL_CALL(SecondaryColor3ivEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3uivEXT(const GLuint *c) +{ + GL_CALL(SecondaryColor3uivEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3fvEXT(const GLfloat *c) +{ + GL_CALL(SecondaryColor3fvEXT)(c); +} + +static void GLAPIENTRY SecondaryColor3dvEXT(const GLdouble *c) +{ + GL_CALL(SecondaryColor3dvEXT)(c); +} + +static const array_func SecondaryColorFuncs[8] = { + (array_func) SecondaryColor3bvEXT, + (array_func) SecondaryColor3ubvEXT, + (array_func) SecondaryColor3svEXT, + (array_func) SecondaryColor3usvEXT, + (array_func) SecondaryColor3ivEXT, + (array_func) SecondaryColor3uivEXT, + (array_func) SecondaryColor3fvEXT, + (array_func) SecondaryColor3dvEXT, +}; + + +/* Again, wrapper functions in case glSecondaryColor*EXT doesn't exist */ +static void GLAPIENTRY FogCoordfvEXT(const GLfloat *f) +{ + GL_CALL(FogCoordfvEXT)(f); +} + +static void GLAPIENTRY FogCoorddvEXT(const GLdouble *f) +{ + GL_CALL(FogCoorddvEXT)(f); +} + +static const array_func FogCoordFuncs[8] = { + 0, + 0, + 0, + 0, + 0, + 0, + (array_func) FogCoordfvEXT, + (array_func) FogCoorddvEXT +}; + +/**********************************************************************/ + +/* GL_BYTE attributes */ + +static void GLAPIENTRY VertexAttrib1Nbv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib1fNV)(index, BYTE_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1bv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Nbv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib2fNV)(index, BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2bv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Nbv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib3fNV)(index, BYTE_TO_FLOAT(v[0]), + BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY VertexAttrib3bv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Nbv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib4fNV)(index, BYTE_TO_FLOAT(v[0]), + BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2]), + BYTE_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4bv(GLuint index, const GLbyte *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_UNSIGNED_BYTE attributes */ + +static void GLAPIENTRY VertexAttrib1Nubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib1fNV)(index, UBYTE_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1ubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Nubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib2fNV)(index, UBYTE_TO_FLOAT(v[0]), + UBYTE_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2ubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Nubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib3fNV)(index, UBYTE_TO_FLOAT(v[0]), + UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2])); +} +static void GLAPIENTRY VertexAttrib3ubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Nubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib4fNV)(index, UBYTE_TO_FLOAT(v[0]), + UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2]), + UBYTE_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4ubv(GLuint index, const GLubyte *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_SHORT attributes */ + +static void GLAPIENTRY VertexAttrib1Nsv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib1fNV)(index, SHORT_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1sv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Nsv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib2fNV)(index, SHORT_TO_FLOAT(v[0]), + SHORT_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2sv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Nsv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib3fNV)(index, SHORT_TO_FLOAT(v[0]), + SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY VertexAttrib3sv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Nsv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib4fNV)(index, SHORT_TO_FLOAT(v[0]), + SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2]), + SHORT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4sv(GLuint index, const GLshort *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_UNSIGNED_SHORT attributes */ + +static void GLAPIENTRY VertexAttrib1Nusv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib1fNV)(index, USHORT_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1usv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Nusv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib2fNV)(index, USHORT_TO_FLOAT(v[0]), + USHORT_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2usv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Nusv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib3fNV)(index, USHORT_TO_FLOAT(v[0]), + USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY VertexAttrib3usv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Nusv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib4fNV)(index, USHORT_TO_FLOAT(v[0]), + USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2]), + USHORT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4usv(GLuint index, const GLushort *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_INT attributes */ + +static void GLAPIENTRY VertexAttrib1Niv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib1fNV)(index, INT_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1iv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Niv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib2fNV)(index, INT_TO_FLOAT(v[0]), + INT_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2iv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Niv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib3fNV)(index, INT_TO_FLOAT(v[0]), + INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY VertexAttrib3iv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Niv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib4fNV)(index, INT_TO_FLOAT(v[0]), + INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2]), + INT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4iv(GLuint index, const GLint *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_UNSIGNED_INT attributes */ + +static void GLAPIENTRY VertexAttrib1Nuiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib1fNV)(index, UINT_TO_FLOAT(v[0])); +} + +static void GLAPIENTRY VertexAttrib1uiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib1fNV)(index, v[0]); +} + +static void GLAPIENTRY VertexAttrib2Nuiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib2fNV)(index, UINT_TO_FLOAT(v[0]), + UINT_TO_FLOAT(v[1])); +} + +static void GLAPIENTRY VertexAttrib2uiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib2fNV)(index, v[0], v[1]); +} + +static void GLAPIENTRY VertexAttrib3Nuiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib3fNV)(index, UINT_TO_FLOAT(v[0]), + UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY VertexAttrib3uiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib3fNV)(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY VertexAttrib4Nuiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib4fNV)(index, UINT_TO_FLOAT(v[0]), + UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2]), + UINT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY VertexAttrib4uiv(GLuint index, const GLuint *v) +{ + GL_CALL(VertexAttrib4fNV)(index, v[0], v[1], v[2], v[3]); +} + +/* GL_FLOAT attributes */ + +static void GLAPIENTRY VertexAttrib1fv(GLuint index, const GLfloat *v) +{ + GL_CALL(VertexAttrib1fvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib2fv(GLuint index, const GLfloat *v) +{ + GL_CALL(VertexAttrib2fvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib3fv(GLuint index, const GLfloat *v) +{ + GL_CALL(VertexAttrib3fvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib4fv(GLuint index, const GLfloat *v) +{ + GL_CALL(VertexAttrib4fvNV)(index, v); +} + +/* GL_DOUBLE attributes */ + +static void GLAPIENTRY VertexAttrib1dv(GLuint index, const GLdouble *v) +{ + GL_CALL(VertexAttrib1dvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib2dv(GLuint index, const GLdouble *v) +{ + GL_CALL(VertexAttrib2dvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib3dv(GLuint index, const GLdouble *v) +{ + GL_CALL(VertexAttrib3dvNV)(index, v); +} + +static void GLAPIENTRY VertexAttrib4dv(GLuint index, const GLdouble *v) +{ + GL_CALL(VertexAttrib4dvNV)(index, v); +} + + +/* + * Array [size][type] of VertexAttrib functions + */ +static const attrib_func AttribFuncs[2][4][8] = { + { + /* non-normalized */ + { + /* size 1 */ + (attrib_func) VertexAttrib1bv, + (attrib_func) VertexAttrib1ubv, + (attrib_func) VertexAttrib1sv, + (attrib_func) VertexAttrib1usv, + (attrib_func) VertexAttrib1iv, + (attrib_func) VertexAttrib1uiv, + (attrib_func) VertexAttrib1fv, + (attrib_func) VertexAttrib1dv + }, + { + /* size 2 */ + (attrib_func) VertexAttrib2bv, + (attrib_func) VertexAttrib2ubv, + (attrib_func) VertexAttrib2sv, + (attrib_func) VertexAttrib2usv, + (attrib_func) VertexAttrib2iv, + (attrib_func) VertexAttrib2uiv, + (attrib_func) VertexAttrib2fv, + (attrib_func) VertexAttrib2dv + }, + { + /* size 3 */ + (attrib_func) VertexAttrib3bv, + (attrib_func) VertexAttrib3ubv, + (attrib_func) VertexAttrib3sv, + (attrib_func) VertexAttrib3usv, + (attrib_func) VertexAttrib3iv, + (attrib_func) VertexAttrib3uiv, + (attrib_func) VertexAttrib3fv, + (attrib_func) VertexAttrib3dv + }, + { + /* size 4 */ + (attrib_func) VertexAttrib4bv, + (attrib_func) VertexAttrib4ubv, + (attrib_func) VertexAttrib4sv, + (attrib_func) VertexAttrib4usv, + (attrib_func) VertexAttrib4iv, + (attrib_func) VertexAttrib4uiv, + (attrib_func) VertexAttrib4fv, + (attrib_func) VertexAttrib4dv + } + }, + { + /* normalized (except for float/double) */ + { + /* size 1 */ + (attrib_func) VertexAttrib1Nbv, + (attrib_func) VertexAttrib1Nubv, + (attrib_func) VertexAttrib1Nsv, + (attrib_func) VertexAttrib1Nusv, + (attrib_func) VertexAttrib1Niv, + (attrib_func) VertexAttrib1Nuiv, + (attrib_func) VertexAttrib1fv, + (attrib_func) VertexAttrib1dv + }, + { + /* size 2 */ + (attrib_func) VertexAttrib2Nbv, + (attrib_func) VertexAttrib2Nubv, + (attrib_func) VertexAttrib2Nsv, + (attrib_func) VertexAttrib2Nusv, + (attrib_func) VertexAttrib2Niv, + (attrib_func) VertexAttrib2Nuiv, + (attrib_func) VertexAttrib2fv, + (attrib_func) VertexAttrib2dv + }, + { + /* size 3 */ + (attrib_func) VertexAttrib3Nbv, + (attrib_func) VertexAttrib3Nubv, + (attrib_func) VertexAttrib3Nsv, + (attrib_func) VertexAttrib3Nusv, + (attrib_func) VertexAttrib3Niv, + (attrib_func) VertexAttrib3Nuiv, + (attrib_func) VertexAttrib3fv, + (attrib_func) VertexAttrib3dv + }, + { + /* size 4 */ + (attrib_func) VertexAttrib4Nbv, + (attrib_func) VertexAttrib4Nubv, + (attrib_func) VertexAttrib4Nsv, + (attrib_func) VertexAttrib4Nusv, + (attrib_func) VertexAttrib4Niv, + (attrib_func) VertexAttrib4Nuiv, + (attrib_func) VertexAttrib4fv, + (attrib_func) VertexAttrib4dv + } + } +}; + +static void GLAPIENTRY EdgeFlagv(const GLboolean *flag) +{ + GL_CALL(EdgeFlagv)(flag); +} + +/**********************************************************************/ + + +GLboolean _ae_create_context( GLcontext *ctx ) +{ + if (ctx->aelt_context) + return GL_TRUE; + + ctx->aelt_context = MALLOC( sizeof(AEcontext) ); + if (!ctx->aelt_context) + return GL_FALSE; + + AE_CONTEXT(ctx)->NewState = ~0; + return GL_TRUE; +} + + +void _ae_destroy_context( GLcontext *ctx ) +{ + if ( AE_CONTEXT( ctx ) ) { + FREE( ctx->aelt_context ); + ctx->aelt_context = 0; + } +} + + +/** + * Make a list of per-vertex functions to call for each glArrayElement call. + * These functions access the array data (i.e. glVertex, glColor, glNormal, + * etc). + * Note: this may be called during display list construction. + */ +static void _ae_update_state( GLcontext *ctx ) +{ + AEcontext *actx = AE_CONTEXT(ctx); + AEarray *aa = actx->arrays; + AEattrib *at = actx->attribs; + GLuint i; + + /* conventional vertex arrays */ + if (ctx->Array.Index.Enabled) { + aa->array = &ctx->Array.Index; + aa->func = IndexFuncs[TYPE_IDX(aa->array->Type)]; + aa++; + } + if (ctx->Array.EdgeFlag.Enabled) { + aa->array = &ctx->Array.EdgeFlag; + aa->func = (array_func) EdgeFlagv; + aa++; + } + if (ctx->Array.Normal.Enabled) { + aa->array = &ctx->Array.Normal; + aa->func = NormalFuncs[TYPE_IDX(aa->array->Type)]; + aa++; + } + if (ctx->Array.Color.Enabled) { + aa->array = &ctx->Array.Color; + aa->func = ColorFuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)]; + aa++; + } + if (ctx->Array.SecondaryColor.Enabled) { + aa->array = &ctx->Array.SecondaryColor; + aa->func = SecondaryColorFuncs[TYPE_IDX(aa->array->Type)]; + aa++; + } + if (ctx->Array.FogCoord.Enabled) { + aa->array = &ctx->Array.FogCoord; + aa->func = FogCoordFuncs[TYPE_IDX(aa->array->Type)]; + aa++; + } + for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + if (ctx->Array.TexCoord[i].Enabled) { + /* NOTE: we use generic glVertexAttrib functions here. + * If we ever de-alias conventional/generic vertex attribs this + * will have to change. + */ + struct gl_client_array *attribArray = &ctx->Array.TexCoord[i]; + at->array = attribArray; + at->func = AttribFuncs[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)]; + at->index = VERT_ATTRIB_TEX0 + i; + at++; + } + } + + /* generic vertex attribute arrays */ + for (i = 1; i < VERT_ATTRIB_MAX; i++) { /* skip zero! */ + if (ctx->Array.VertexAttrib[i].Enabled) { + struct gl_client_array *attribArray = &ctx->Array.VertexAttrib[i]; + at->array = attribArray; + /* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV + * function pointer here (for float arrays) since the pointer may + * change from one execution of _ae_loopback_array_elt() to + * the next. Doing so caused UT to break. + */ + at->func = AttribFuncs[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)]; + at->index = i; + at++; + } + } + + /* finally, vertex position */ + if (ctx->Array.VertexAttrib[0].Enabled) { + /* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's + * issued as the last (proviking) attribute). + */ + aa->array = &ctx->Array.VertexAttrib[0]; + assert(aa->array->Size >= 2); /* XXX fix someday? */ + aa->func = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)]; + aa++; + } + else if (ctx->Array.Vertex.Enabled) { + aa->array = &ctx->Array.Vertex; + aa->func = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)]; + aa++; + } + + ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX); + ASSERT(aa - actx->arrays < 32); + at->func = NULL; /* terminate the list */ + aa->func = NULL; /* terminate the list */ + + actx->NewState = 0; +} + + +/** + * Called via glArrayElement() and glDrawArrays(). + * Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions + * for all enabled vertex arrays (for elt-th element). + * Note: this may be called during display list construction. + */ +void GLAPIENTRY _ae_loopback_array_elt( GLint elt ) +{ + GET_CURRENT_CONTEXT(ctx); + const AEcontext *actx = AE_CONTEXT(ctx); + const AEarray *aa; + const AEattrib *at; + + if (actx->NewState) + _ae_update_state( ctx ); + + /* generic attributes */ + for (at = actx->attribs; at->func; at++) { + const GLubyte *src = at->array->BufferObj->Data + + (unsigned long) at->array->Ptr + + elt * at->array->StrideB; + at->func( at->index, src ); + } + + /* conventional arrays */ + for (aa = actx->arrays; aa->func ; aa++) { + const GLubyte *src = aa->array->BufferObj->Data + + (unsigned long) aa->array->Ptr + + elt * aa->array->StrideB; + aa->func( src ); + } +} + + + +void _ae_invalidate_state( GLcontext *ctx, GLuint new_state ) +{ + AE_CONTEXT(ctx)->NewState |= new_state; +} diff --git a/src/mesa/main/api_arrayelt.h b/src/mesa/main/api_arrayelt.h new file mode 100644 index 0000000..1c0af9f --- /dev/null +++ b/src/mesa/main/api_arrayelt.h @@ -0,0 +1,37 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef API_ARRAYELT_H +#define API_ARRAYELT_H + +#include "mtypes.h" + +extern GLboolean _ae_create_context( GLcontext *ctx ); +extern void _ae_destroy_context( GLcontext *ctx ); +extern void _ae_invalidate_state( GLcontext *ctx, GLuint new_state ); +extern void GLAPIENTRY _ae_loopback_array_elt( GLint elt ); + +#endif diff --git a/src/mesa/main/api_eval.h b/src/mesa/main/api_eval.h new file mode 100644 index 0000000..d6cb38c --- /dev/null +++ b/src/mesa/main/api_eval.h @@ -0,0 +1,42 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef API_EVAL_H +#define API_EVAL_H + +#include "mtypes.h" + +extern void _mesa_EvalPoint1( GLint i ); +extern void _mesa_EvalPoint2( GLint i, GLint j ); +extern void _mesa_EvalCoord1f( GLfloat u ); +extern void _mesa_EvalCoord2f( GLfloat u, GLfloat v ); +extern void _mesa_EvalCoord1fv( const GLfloat *u ); +extern void _mesa_EvalCoord2fv( const GLfloat *u ); + +#endif + + + diff --git a/src/mesa/main/api_loopback.c b/src/mesa/main/api_loopback.c new file mode 100644 index 0000000..3281caf --- /dev/null +++ b/src/mesa/main/api_loopback.c @@ -0,0 +1,1564 @@ +/** + * \file api_loopback.c + * + * \author Keith Whitwell <keith@tungstengraphics.com> + */ + +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "glapi.h" +#include "glapitable.h" +#include "macros.h" +#include "colormac.h" +#include "api_loopback.h" +#include "glthread.h" + +/* KW: A set of functions to convert unusual Color/Normal/Vertex/etc + * calls to a smaller set of driver-provided formats. Currently just + * go back to dispatch to find these (eg. call glNormal3f directly), + * hence 'loopback'. + * + * The driver must supply all of the remaining entry points, which are + * listed in dd.h. The easiest way for a driver to do this is to + * install the supplied software t&l module. + */ +#define COLORF(r,g,b,a) GL_CALL(Color4f)(r,g,b,a) +#define VERTEX2(x,y) GL_CALL(Vertex2f)(x,y) +#define VERTEX3(x,y,z) GL_CALL(Vertex3f)(x,y,z) +#define VERTEX4(x,y,z,w) GL_CALL(Vertex4f)(x,y,z,w) +#define NORMAL(x,y,z) GL_CALL(Normal3f)(x,y,z) +#define TEXCOORD1(s) GL_CALL(TexCoord1f)(s) +#define TEXCOORD2(s,t) GL_CALL(TexCoord2f)(s,t) +#define TEXCOORD3(s,t,u) GL_CALL(TexCoord3f)(s,t,u) +#define TEXCOORD4(s,t,u,v) GL_CALL(TexCoord4f)(s,t,u,v) +#define INDEX(c) GL_CALL(Indexf)(c) +#define MULTI_TEXCOORD1(z,s) GL_CALL(MultiTexCoord1fARB)(z,s) +#define MULTI_TEXCOORD2(z,s,t) GL_CALL(MultiTexCoord2fARB)(z,s,t) +#define MULTI_TEXCOORD3(z,s,t,u) GL_CALL(MultiTexCoord3fARB)(z,s,t,u) +#define MULTI_TEXCOORD4(z,s,t,u,v) GL_CALL(MultiTexCoord4fARB)(z,s,t,u,v) +#define EVALCOORD1(x) GL_CALL(EvalCoord1f)(x) +#define EVALCOORD2(x,y) GL_CALL(EvalCoord2f)(x,y) +#define MATERIALFV(a,b,c) GL_CALL(Materialfv)(a,b,c) +#define RECTF(a,b,c,d) GL_CALL(Rectf)(a,b,c,d) + +/* Extension functions must be dereferenced through _glapi_Dispatch as + * not all libGL.so's will have all the uptodate entrypoints. + */ +#define ATTRIB1(index,x) GL_CALL(VertexAttrib1fNV)(index,x) +#define ATTRIB2(index,x,y) GL_CALL(VertexAttrib2fNV)(index,x,y) +#define ATTRIB3(index,x,y,z) GL_CALL(VertexAttrib3fNV)(index,x,y,z) +#define ATTRIB4(index,x,y,z,w) GL_CALL(VertexAttrib4fNV)(index,x,y,z,w) +#define FOGCOORDF(x) GL_CALL(FogCoordfEXT)(x) +#define SECONDARYCOLORF(a,b,c) GL_CALL(SecondaryColor3fEXT)(a,b,c) + +static void GLAPIENTRY +loopback_Color3b_f( GLbyte red, GLbyte green, GLbyte blue ) +{ + COLORF( BYTE_TO_FLOAT(red), + BYTE_TO_FLOAT(green), + BYTE_TO_FLOAT(blue), + 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3d_f( GLdouble red, GLdouble green, GLdouble blue ) +{ + COLORF( (GLfloat) red, (GLfloat) green, (GLfloat) blue, 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3i_f( GLint red, GLint green, GLint blue ) +{ + COLORF( INT_TO_FLOAT(red), INT_TO_FLOAT(green), + INT_TO_FLOAT(blue), 1.0); +} + +static void GLAPIENTRY +loopback_Color3s_f( GLshort red, GLshort green, GLshort blue ) +{ + COLORF( SHORT_TO_FLOAT(red), SHORT_TO_FLOAT(green), + SHORT_TO_FLOAT(blue), 1.0); +} + +static void GLAPIENTRY +loopback_Color3ui_f( GLuint red, GLuint green, GLuint blue ) +{ + COLORF( UINT_TO_FLOAT(red), UINT_TO_FLOAT(green), + UINT_TO_FLOAT(blue), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3us_f( GLushort red, GLushort green, GLushort blue ) +{ + COLORF( USHORT_TO_FLOAT(red), USHORT_TO_FLOAT(green), + USHORT_TO_FLOAT(blue), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3ub_f( GLubyte red, GLubyte green, GLubyte blue ) +{ + COLORF( UBYTE_TO_FLOAT(red), UBYTE_TO_FLOAT(green), + UBYTE_TO_FLOAT(blue), 1.0 ); +} + + +static void GLAPIENTRY +loopback_Color3bv_f( const GLbyte *v ) +{ + COLORF( BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2]), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3dv_f( const GLdouble *v ) +{ + COLORF( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3iv_f( const GLint *v ) +{ + COLORF( INT_TO_FLOAT(v[0]), INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2]), INT_TO_FLOAT(v[3]) ); +} + +static void GLAPIENTRY +loopback_Color3sv_f( const GLshort *v ) +{ + COLORF( SHORT_TO_FLOAT(v[0]), SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2]), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3uiv_f( const GLuint *v ) +{ + COLORF( UINT_TO_FLOAT(v[0]), UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2]), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3usv_f( const GLushort *v ) +{ + COLORF( USHORT_TO_FLOAT(v[0]), USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2]), 1.0 ); +} + +static void GLAPIENTRY +loopback_Color3ubv_f( const GLubyte *v ) +{ + COLORF( UBYTE_TO_FLOAT(v[0]), UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2]), 1.0 ); +} + + +static void GLAPIENTRY +loopback_Color4b_f( GLbyte red, GLbyte green, GLbyte blue, + GLbyte alpha ) +{ + COLORF( BYTE_TO_FLOAT(red), BYTE_TO_FLOAT(green), + BYTE_TO_FLOAT(blue), BYTE_TO_FLOAT(alpha) ); +} + +static void GLAPIENTRY +loopback_Color4d_f( GLdouble red, GLdouble green, GLdouble blue, + GLdouble alpha ) +{ + COLORF( (GLfloat) red, (GLfloat) green, (GLfloat) blue, (GLfloat) alpha ); +} + +static void GLAPIENTRY +loopback_Color4i_f( GLint red, GLint green, GLint blue, GLint alpha ) +{ + COLORF( INT_TO_FLOAT(red), INT_TO_FLOAT(green), + INT_TO_FLOAT(blue), INT_TO_FLOAT(alpha) ); +} + +static void GLAPIENTRY +loopback_Color4s_f( GLshort red, GLshort green, GLshort blue, + GLshort alpha ) +{ + COLORF( SHORT_TO_FLOAT(red), SHORT_TO_FLOAT(green), + SHORT_TO_FLOAT(blue), SHORT_TO_FLOAT(alpha) ); +} + +static void GLAPIENTRY +loopback_Color4ui_f( GLuint red, GLuint green, GLuint blue, GLuint alpha ) +{ + COLORF( UINT_TO_FLOAT(red), UINT_TO_FLOAT(green), + UINT_TO_FLOAT(blue), UINT_TO_FLOAT(alpha) ); +} + +static void GLAPIENTRY +loopback_Color4us_f( GLushort red, GLushort green, GLushort blue, GLushort alpha ) +{ + COLORF( USHORT_TO_FLOAT(red), USHORT_TO_FLOAT(green), + USHORT_TO_FLOAT(blue), USHORT_TO_FLOAT(alpha) ); +} + +static void GLAPIENTRY +loopback_Color4ub_f( GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ) +{ + COLORF( UBYTE_TO_FLOAT(red), UBYTE_TO_FLOAT(green), + UBYTE_TO_FLOAT(blue), UBYTE_TO_FLOAT(alpha) ); +} + + +static void GLAPIENTRY +loopback_Color4iv_f( const GLint *v ) +{ + COLORF( INT_TO_FLOAT(v[0]), INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2]), INT_TO_FLOAT(v[3]) ); +} + + +static void GLAPIENTRY +loopback_Color4bv_f( const GLbyte *v ) +{ + COLORF( BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2]), BYTE_TO_FLOAT(v[3]) ); +} + +static void GLAPIENTRY +loopback_Color4dv_f( const GLdouble *v ) +{ + COLORF( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3] ); +} + + +static void GLAPIENTRY +loopback_Color4sv_f( const GLshort *v) +{ + COLORF( SHORT_TO_FLOAT(v[0]), SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2]), SHORT_TO_FLOAT(v[3]) ); +} + + +static void GLAPIENTRY +loopback_Color4uiv_f( const GLuint *v) +{ + COLORF( UINT_TO_FLOAT(v[0]), UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2]), UINT_TO_FLOAT(v[3]) ); +} + +static void GLAPIENTRY +loopback_Color4usv_f( const GLushort *v) +{ + COLORF( USHORT_TO_FLOAT(v[0]), USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2]), USHORT_TO_FLOAT(v[3]) ); +} + +static void GLAPIENTRY +loopback_Color4ubv_f( const GLubyte *v) +{ + COLORF( UBYTE_TO_FLOAT(v[0]), UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2]), UBYTE_TO_FLOAT(v[3]) ); +} + +static void GLAPIENTRY +loopback_FogCoorddEXT( GLdouble d ) +{ + FOGCOORDF( (GLfloat) d ); +} + +static void GLAPIENTRY +loopback_FogCoorddvEXT( const GLdouble *v ) +{ + FOGCOORDF( (GLfloat) *v ); +} + + +static void GLAPIENTRY +loopback_Indexd( GLdouble c ) +{ + INDEX( (GLfloat) c ); +} + +static void GLAPIENTRY +loopback_Indexi( GLint c ) +{ + INDEX( (GLfloat) c ); +} + +static void GLAPIENTRY +loopback_Indexs( GLshort c ) +{ + INDEX( (GLfloat) c ); +} + +static void GLAPIENTRY +loopback_Indexub( GLubyte c ) +{ + INDEX( (GLfloat) c ); +} + +static void GLAPIENTRY +loopback_Indexdv( const GLdouble *c ) +{ + INDEX( (GLfloat) *c ); +} + +static void GLAPIENTRY +loopback_Indexiv( const GLint *c ) +{ + INDEX( (GLfloat) *c ); +} + +static void GLAPIENTRY +loopback_Indexsv( const GLshort *c ) +{ + INDEX( (GLfloat) *c ); +} + +static void GLAPIENTRY +loopback_Indexubv( const GLubyte *c ) +{ + INDEX( (GLfloat) *c ); +} + +static void GLAPIENTRY +loopback_Normal3b( GLbyte nx, GLbyte ny, GLbyte nz ) +{ + NORMAL( BYTE_TO_FLOAT(nx), BYTE_TO_FLOAT(ny), BYTE_TO_FLOAT(nz) ); +} + +static void GLAPIENTRY +loopback_Normal3d( GLdouble nx, GLdouble ny, GLdouble nz ) +{ + NORMAL((GLfloat) nx, (GLfloat) ny, (GLfloat) nz); +} + +static void GLAPIENTRY +loopback_Normal3i( GLint nx, GLint ny, GLint nz ) +{ + NORMAL( INT_TO_FLOAT(nx), INT_TO_FLOAT(ny), INT_TO_FLOAT(nz) ); +} + +static void GLAPIENTRY +loopback_Normal3s( GLshort nx, GLshort ny, GLshort nz ) +{ + NORMAL( SHORT_TO_FLOAT(nx), SHORT_TO_FLOAT(ny), SHORT_TO_FLOAT(nz) ); +} + +static void GLAPIENTRY +loopback_Normal3bv( const GLbyte *v ) +{ + NORMAL( BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1]), BYTE_TO_FLOAT(v[2]) ); +} + +static void GLAPIENTRY +loopback_Normal3dv( const GLdouble *v ) +{ + NORMAL( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_Normal3iv( const GLint *v ) +{ + NORMAL( INT_TO_FLOAT(v[0]), INT_TO_FLOAT(v[1]), INT_TO_FLOAT(v[2]) ); +} + +static void GLAPIENTRY +loopback_Normal3sv( const GLshort *v ) +{ + NORMAL( SHORT_TO_FLOAT(v[0]), SHORT_TO_FLOAT(v[1]), SHORT_TO_FLOAT(v[2]) ); +} + +static void GLAPIENTRY +loopback_TexCoord1d( GLdouble s ) +{ + TEXCOORD1((GLfloat) s); +} + +static void GLAPIENTRY +loopback_TexCoord1i( GLint s ) +{ + TEXCOORD1((GLfloat) s); +} + +static void GLAPIENTRY +loopback_TexCoord1s( GLshort s ) +{ + TEXCOORD1((GLfloat) s); +} + +static void GLAPIENTRY +loopback_TexCoord2d( GLdouble s, GLdouble t ) +{ + TEXCOORD2((GLfloat) s,(GLfloat) t); +} + +static void GLAPIENTRY +loopback_TexCoord2s( GLshort s, GLshort t ) +{ + TEXCOORD2((GLfloat) s,(GLfloat) t); +} + +static void GLAPIENTRY +loopback_TexCoord2i( GLint s, GLint t ) +{ + TEXCOORD2((GLfloat) s,(GLfloat) t); +} + +static void GLAPIENTRY +loopback_TexCoord3d( GLdouble s, GLdouble t, GLdouble r ) +{ + TEXCOORD3((GLfloat) s,(GLfloat) t,(GLfloat) r); +} + +static void GLAPIENTRY +loopback_TexCoord3i( GLint s, GLint t, GLint r ) +{ + TEXCOORD3((GLfloat) s,(GLfloat) t,(GLfloat) r); +} + +static void GLAPIENTRY +loopback_TexCoord3s( GLshort s, GLshort t, GLshort r ) +{ + TEXCOORD3((GLfloat) s,(GLfloat) t,(GLfloat) r); +} + +static void GLAPIENTRY +loopback_TexCoord4d( GLdouble s, GLdouble t, GLdouble r, GLdouble q ) +{ + TEXCOORD4((GLfloat) s,(GLfloat) t,(GLfloat) r,(GLfloat) q); +} + +static void GLAPIENTRY +loopback_TexCoord4i( GLint s, GLint t, GLint r, GLint q ) +{ + TEXCOORD4((GLfloat) s,(GLfloat) t,(GLfloat) r,(GLfloat) q); +} + +static void GLAPIENTRY +loopback_TexCoord4s( GLshort s, GLshort t, GLshort r, GLshort q ) +{ + TEXCOORD4((GLfloat) s,(GLfloat) t,(GLfloat) r,(GLfloat) q); +} + +static void GLAPIENTRY +loopback_TexCoord1dv( const GLdouble *v ) +{ + TEXCOORD1((GLfloat) v[0]); +} + +static void GLAPIENTRY +loopback_TexCoord1iv( const GLint *v ) +{ + TEXCOORD1((GLfloat) v[0]); +} + +static void GLAPIENTRY +loopback_TexCoord1sv( const GLshort *v ) +{ + TEXCOORD1((GLfloat) v[0]); +} + +static void GLAPIENTRY +loopback_TexCoord2dv( const GLdouble *v ) +{ + TEXCOORD2((GLfloat) v[0],(GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_TexCoord2iv( const GLint *v ) +{ + TEXCOORD2((GLfloat) v[0],(GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_TexCoord2sv( const GLshort *v ) +{ + TEXCOORD2((GLfloat) v[0],(GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_TexCoord3dv( const GLdouble *v ) +{ + TEXCOORD2((GLfloat) v[0],(GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_TexCoord3iv( const GLint *v ) +{ + TEXCOORD3((GLfloat) v[0],(GLfloat) v[1],(GLfloat) v[2]); +} + +static void GLAPIENTRY +loopback_TexCoord3sv( const GLshort *v ) +{ + TEXCOORD3((GLfloat) v[0],(GLfloat) v[1],(GLfloat) v[2]); +} + +static void GLAPIENTRY +loopback_TexCoord4dv( const GLdouble *v ) +{ + TEXCOORD4((GLfloat) v[0],(GLfloat) v[1],(GLfloat) v[2],(GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_TexCoord4iv( const GLint *v ) +{ + TEXCOORD4((GLfloat) v[0],(GLfloat) v[1],(GLfloat) v[2],(GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_TexCoord4sv( const GLshort *v ) +{ + TEXCOORD4((GLfloat) v[0],(GLfloat) v[1],(GLfloat) v[2],(GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_Vertex2d( GLdouble x, GLdouble y ) +{ + VERTEX2( (GLfloat) x, (GLfloat) y ); +} + +static void GLAPIENTRY +loopback_Vertex2i( GLint x, GLint y ) +{ + VERTEX2( (GLfloat) x, (GLfloat) y ); +} + +static void GLAPIENTRY +loopback_Vertex2s( GLshort x, GLshort y ) +{ + VERTEX2( (GLfloat) x, (GLfloat) y ); +} + +static void GLAPIENTRY +loopback_Vertex3d( GLdouble x, GLdouble y, GLdouble z ) +{ + VERTEX3( (GLfloat) x, (GLfloat) y, (GLfloat) z ); +} + +static void GLAPIENTRY +loopback_Vertex3i( GLint x, GLint y, GLint z ) +{ + VERTEX3( (GLfloat) x, (GLfloat) y, (GLfloat) z ); +} + +static void GLAPIENTRY +loopback_Vertex3s( GLshort x, GLshort y, GLshort z ) +{ + VERTEX3( (GLfloat) x, (GLfloat) y, (GLfloat) z ); +} + +static void GLAPIENTRY +loopback_Vertex4d( GLdouble x, GLdouble y, GLdouble z, GLdouble w ) +{ + VERTEX4( (GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w ); +} + +static void GLAPIENTRY +loopback_Vertex4i( GLint x, GLint y, GLint z, GLint w ) +{ + VERTEX4( (GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w ); +} + +static void GLAPIENTRY +loopback_Vertex4s( GLshort x, GLshort y, GLshort z, GLshort w ) +{ + VERTEX4( (GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w ); +} + +static void GLAPIENTRY +loopback_Vertex2dv( const GLdouble *v ) +{ + VERTEX2( (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_Vertex2iv( const GLint *v ) +{ + VERTEX2( (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_Vertex2sv( const GLshort *v ) +{ + VERTEX2( (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_Vertex3dv( const GLdouble *v ) +{ + VERTEX3( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_Vertex3iv( const GLint *v ) +{ + VERTEX3( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_Vertex3sv( const GLshort *v ) +{ + VERTEX3( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_Vertex4dv( const GLdouble *v ) +{ + VERTEX4( (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_Vertex4iv( const GLint *v ) +{ + VERTEX4( (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_Vertex4sv( const GLshort *v ) +{ + VERTEX4( (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1dARB(GLenum target, GLdouble s) +{ + MULTI_TEXCOORD1( target, (GLfloat) s ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1dvARB(GLenum target, const GLdouble *v) +{ + MULTI_TEXCOORD1( target, (GLfloat) v[0] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1iARB(GLenum target, GLint s) +{ + MULTI_TEXCOORD1( target, (GLfloat) s ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1ivARB(GLenum target, const GLint *v) +{ + MULTI_TEXCOORD1( target, (GLfloat) v[0] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1sARB(GLenum target, GLshort s) +{ + MULTI_TEXCOORD1( target, (GLfloat) s ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord1svARB(GLenum target, const GLshort *v) +{ + MULTI_TEXCOORD1( target, (GLfloat) v[0] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2dARB(GLenum target, GLdouble s, GLdouble t) +{ + MULTI_TEXCOORD2( target, (GLfloat) s, (GLfloat) t ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2dvARB(GLenum target, const GLdouble *v) +{ + MULTI_TEXCOORD2( target, (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2iARB(GLenum target, GLint s, GLint t) +{ + MULTI_TEXCOORD2( target, (GLfloat) s, (GLfloat) t ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2ivARB(GLenum target, const GLint *v) +{ + MULTI_TEXCOORD2( target, (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2sARB(GLenum target, GLshort s, GLshort t) +{ + MULTI_TEXCOORD2( target, (GLfloat) s, (GLfloat) t ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord2svARB(GLenum target, const GLshort *v) +{ + MULTI_TEXCOORD2( target, (GLfloat) v[0], (GLfloat) v[1] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3dARB(GLenum target, GLdouble s, GLdouble t, GLdouble r) +{ + MULTI_TEXCOORD3( target, (GLfloat) s, (GLfloat) t, (GLfloat) r ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3dvARB(GLenum target, const GLdouble *v) +{ + MULTI_TEXCOORD3( target, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3iARB(GLenum target, GLint s, GLint t, GLint r) +{ + MULTI_TEXCOORD3( target, (GLfloat) s, (GLfloat) t, (GLfloat) r ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3ivARB(GLenum target, const GLint *v) +{ + MULTI_TEXCOORD3( target, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3sARB(GLenum target, GLshort s, GLshort t, GLshort r) +{ + MULTI_TEXCOORD3( target, (GLfloat) s, (GLfloat) t, (GLfloat) r ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord3svARB(GLenum target, const GLshort *v) +{ + MULTI_TEXCOORD3( target, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4dARB(GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q) +{ + MULTI_TEXCOORD4( target, (GLfloat) s, (GLfloat) t, + (GLfloat) r, (GLfloat) q ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4dvARB(GLenum target, const GLdouble *v) +{ + MULTI_TEXCOORD4( target, (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4iARB(GLenum target, GLint s, GLint t, GLint r, GLint q) +{ + MULTI_TEXCOORD4( target, (GLfloat) s, (GLfloat) t, + (GLfloat) r, (GLfloat) q ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4ivARB(GLenum target, const GLint *v) +{ + MULTI_TEXCOORD4( target, (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4sARB(GLenum target, GLshort s, GLshort t, GLshort r, GLshort q) +{ + MULTI_TEXCOORD4( target, (GLfloat) s, (GLfloat) t, + (GLfloat) r, (GLfloat) q ); +} + +static void GLAPIENTRY +loopback_MultiTexCoord4svARB(GLenum target, const GLshort *v) +{ + MULTI_TEXCOORD4( target, (GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3] ); +} + +static void GLAPIENTRY +loopback_EvalCoord2dv( const GLdouble *u ) +{ + EVALCOORD2( (GLfloat) u[0], (GLfloat) u[1] ); +} + +static void GLAPIENTRY +loopback_EvalCoord2fv( const GLfloat *u ) +{ + EVALCOORD2( u[0], u[1] ); +} + +static void GLAPIENTRY +loopback_EvalCoord2d( GLdouble u, GLdouble v ) +{ + EVALCOORD2( (GLfloat) u, (GLfloat) v ); +} + +static void GLAPIENTRY +loopback_EvalCoord1dv( const GLdouble *u ) +{ + EVALCOORD1( (GLfloat) *u ); +} + +static void GLAPIENTRY +loopback_EvalCoord1fv( const GLfloat *u ) +{ + EVALCOORD1( (GLfloat) *u ); +} + +static void GLAPIENTRY +loopback_EvalCoord1d( GLdouble u ) +{ + EVALCOORD1( (GLfloat) u ); +} + +static void GLAPIENTRY +loopback_Materialf( GLenum face, GLenum pname, GLfloat param ) +{ + GLfloat fparam[4]; + fparam[0] = param; + MATERIALFV( face, pname, fparam ); +} + +static void GLAPIENTRY +loopback_Materiali(GLenum face, GLenum pname, GLint param ) +{ + GLfloat p = (GLfloat) param; + MATERIALFV(face, pname, &p); +} + +static void GLAPIENTRY +loopback_Materialiv(GLenum face, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + case GL_EMISSION: + case GL_AMBIENT_AND_DIFFUSE: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_SHININESS: + fparam[0] = (GLfloat) params[0]; + break; + case GL_COLOR_INDEXES: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + break; + default: + ; + } + MATERIALFV(face, pname, fparam); +} + + +static void GLAPIENTRY +loopback_Rectd(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2) +{ + RECTF((GLfloat) x1, (GLfloat) y1, (GLfloat) x2, (GLfloat) y2); +} + +static void GLAPIENTRY +loopback_Rectdv(const GLdouble *v1, const GLdouble *v2) +{ + RECTF((GLfloat) v1[0], (GLfloat) v1[1], (GLfloat) v2[0], (GLfloat) v2[1]); +} + +static void GLAPIENTRY +loopback_Rectfv(const GLfloat *v1, const GLfloat *v2) +{ + RECTF(v1[0], v1[1], v2[0], v2[1]); +} + +static void GLAPIENTRY +loopback_Recti(GLint x1, GLint y1, GLint x2, GLint y2) +{ + RECTF((GLfloat) x1, (GLfloat) y1, (GLfloat) x2, (GLfloat) y2); +} + +static void GLAPIENTRY +loopback_Rectiv(const GLint *v1, const GLint *v2) +{ + RECTF((GLfloat) v1[0], (GLfloat) v1[1], (GLfloat) v2[0], (GLfloat) v2[1]); +} + +static void GLAPIENTRY +loopback_Rects(GLshort x1, GLshort y1, GLshort x2, GLshort y2) +{ + RECTF((GLfloat) x1, (GLfloat) y1, (GLfloat) x2, (GLfloat) y2); +} + +static void GLAPIENTRY +loopback_Rectsv(const GLshort *v1, const GLshort *v2) +{ + RECTF((GLfloat) v1[0], (GLfloat) v1[1], (GLfloat) v2[0], (GLfloat) v2[1]); +} + +static void GLAPIENTRY +loopback_SecondaryColor3bEXT_f( GLbyte red, GLbyte green, GLbyte blue ) +{ + SECONDARYCOLORF( BYTE_TO_FLOAT(red), + BYTE_TO_FLOAT(green), + BYTE_TO_FLOAT(blue) ); +} + +static void GLAPIENTRY +loopback_SecondaryColor3dEXT_f( GLdouble red, GLdouble green, GLdouble blue ) +{ + SECONDARYCOLORF( (GLfloat) red, (GLfloat) green, (GLfloat) blue ); +} + +static void GLAPIENTRY +loopback_SecondaryColor3iEXT_f( GLint red, GLint green, GLint blue ) +{ + SECONDARYCOLORF( INT_TO_FLOAT(red), + INT_TO_FLOAT(green), + INT_TO_FLOAT(blue)); +} + +static void GLAPIENTRY +loopback_SecondaryColor3sEXT_f( GLshort red, GLshort green, GLshort blue ) +{ + SECONDARYCOLORF(SHORT_TO_FLOAT(red), + SHORT_TO_FLOAT(green), + SHORT_TO_FLOAT(blue)); +} + +static void GLAPIENTRY +loopback_SecondaryColor3uiEXT_f( GLuint red, GLuint green, GLuint blue ) +{ + SECONDARYCOLORF(UINT_TO_FLOAT(red), + UINT_TO_FLOAT(green), + UINT_TO_FLOAT(blue)); +} + +static void GLAPIENTRY +loopback_SecondaryColor3usEXT_f( GLushort red, GLushort green, GLushort blue ) +{ + SECONDARYCOLORF(USHORT_TO_FLOAT(red), + USHORT_TO_FLOAT(green), + USHORT_TO_FLOAT(blue)); +} + +static void GLAPIENTRY +loopback_SecondaryColor3ubEXT_f( GLubyte red, GLubyte green, GLubyte blue ) +{ + SECONDARYCOLORF(UBYTE_TO_FLOAT(red), + UBYTE_TO_FLOAT(green), + UBYTE_TO_FLOAT(blue)); +} + +static void GLAPIENTRY +loopback_SecondaryColor3bvEXT_f( const GLbyte *v ) +{ + SECONDARYCOLORF(BYTE_TO_FLOAT(v[0]), + BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY +loopback_SecondaryColor3dvEXT_f( const GLdouble *v ) +{ + SECONDARYCOLORF( (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2] ); +} +static void GLAPIENTRY +loopback_SecondaryColor3ivEXT_f( const GLint *v ) +{ + SECONDARYCOLORF(INT_TO_FLOAT(v[0]), + INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY +loopback_SecondaryColor3svEXT_f( const GLshort *v ) +{ + SECONDARYCOLORF(SHORT_TO_FLOAT(v[0]), + SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY +loopback_SecondaryColor3uivEXT_f( const GLuint *v ) +{ + SECONDARYCOLORF(UINT_TO_FLOAT(v[0]), + UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY +loopback_SecondaryColor3usvEXT_f( const GLushort *v ) +{ + SECONDARYCOLORF(USHORT_TO_FLOAT(v[0]), + USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2])); +} + +static void GLAPIENTRY +loopback_SecondaryColor3ubvEXT_f( const GLubyte *v ) +{ + SECONDARYCOLORF(UBYTE_TO_FLOAT(v[0]), + UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2])); +} + + +/* + * GL_NV_vertex_program + */ + +static void GLAPIENTRY +loopback_VertexAttrib1sNV(GLuint index, GLshort x) +{ + ATTRIB1(index, (GLfloat) x); +} + +static void GLAPIENTRY +loopback_VertexAttrib1fNV(GLuint index, GLfloat x) +{ + ATTRIB1(index, x); +} + +static void GLAPIENTRY +loopback_VertexAttrib1dNV(GLuint index, GLdouble x) +{ + ATTRIB1(index, (GLfloat) x); +} + +static void GLAPIENTRY +loopback_VertexAttrib2sNV(GLuint index, GLshort x, GLshort y) +{ + ATTRIB2(index, (GLfloat) x, y); +} + +static void GLAPIENTRY +loopback_VertexAttrib2fNV(GLuint index, GLfloat x, GLfloat y) +{ + ATTRIB2(index, (GLfloat) x, y); +} + +static void GLAPIENTRY +loopback_VertexAttrib2dNV(GLuint index, GLdouble x, GLdouble y) +{ + ATTRIB2(index, (GLfloat) x, (GLfloat) y); +} + +static void GLAPIENTRY +loopback_VertexAttrib3sNV(GLuint index, GLshort x, GLshort y, GLshort z) +{ + ATTRIB3(index, (GLfloat) x, (GLfloat) y, (GLfloat) z); +} + +static void GLAPIENTRY +loopback_VertexAttrib3fNV(GLuint index, GLfloat x, GLfloat y, GLfloat z) +{ + ATTRIB3(index, x, y, z); +} + +static void GLAPIENTRY +loopback_VertexAttrib3dNV(GLuint index, GLdouble x, GLdouble y, GLdouble z) +{ + ATTRIB4(index, (GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +static void GLAPIENTRY +loopback_VertexAttrib4sNV(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w) +{ + ATTRIB4(index, (GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY +loopback_VertexAttrib4dNV(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + ATTRIB4(index, (GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY +loopback_VertexAttrib4ubNV(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w) +{ + ATTRIB4(index, UBYTE_TO_FLOAT(x), UBYTE_TO_FLOAT(y), + UBYTE_TO_FLOAT(z), UBYTE_TO_FLOAT(w)); +} + +static void GLAPIENTRY +loopback_VertexAttrib1svNV(GLuint index, const GLshort *v) +{ + ATTRIB1(index, (GLfloat) v[0]); +} + +static void GLAPIENTRY +loopback_VertexAttrib1fvNV(GLuint index, const GLfloat *v) +{ + ATTRIB1(index, v[0]); +} + +static void GLAPIENTRY +loopback_VertexAttrib1dvNV(GLuint index, const GLdouble *v) +{ + ATTRIB1(index, (GLfloat) v[0]); +} + +static void GLAPIENTRY +loopback_VertexAttrib2svNV(GLuint index, const GLshort *v) +{ + ATTRIB2(index, (GLfloat) v[0], (GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_VertexAttrib2fvNV(GLuint index, const GLfloat *v) +{ + ATTRIB2(index, v[0], v[1]); +} + +static void GLAPIENTRY +loopback_VertexAttrib2dvNV(GLuint index, const GLdouble *v) +{ + ATTRIB2(index, (GLfloat) v[0], (GLfloat) v[1]); +} + +static void GLAPIENTRY +loopback_VertexAttrib3svNV(GLuint index, const GLshort *v) +{ + ATTRIB3(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2]); +} + +static void GLAPIENTRY +loopback_VertexAttrib3fvNV(GLuint index, const GLfloat *v) +{ + ATTRIB3(index, v[0], v[1], v[2]); +} + +static void GLAPIENTRY +loopback_VertexAttrib3dvNV(GLuint index, const GLdouble *v) +{ + ATTRIB3(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4svNV(GLuint index, const GLshort *v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], + (GLfloat)v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4fvNV(GLuint index, const GLfloat *v) +{ + ATTRIB4(index, v[0], v[1], v[2], v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4dvNV(GLuint index, const GLdouble *v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4ubvNV(GLuint index, const GLubyte *v) +{ + ATTRIB4(index, UBYTE_TO_FLOAT(v[0]), UBYTE_TO_FLOAT(v[1]), + UBYTE_TO_FLOAT(v[2]), UBYTE_TO_FLOAT(v[3])); +} + + +static void GLAPIENTRY +loopback_VertexAttribs1svNV(GLuint index, GLsizei n, const GLshort *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib1svNV(index + i, v + i); +} + +static void GLAPIENTRY +loopback_VertexAttribs1fvNV(GLuint index, GLsizei n, const GLfloat *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib1fvNV(index + i, v + i); +} + +static void GLAPIENTRY +loopback_VertexAttribs1dvNV(GLuint index, GLsizei n, const GLdouble *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib1dvNV(index + i, v + i); +} + +static void GLAPIENTRY +loopback_VertexAttribs2svNV(GLuint index, GLsizei n, const GLshort *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib2svNV(index + i, v + 2 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs2fvNV(GLuint index, GLsizei n, const GLfloat *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib2fvNV(index + i, v + 2 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs2dvNV(GLuint index, GLsizei n, const GLdouble *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib2dvNV(index + i, v + 2 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs3svNV(GLuint index, GLsizei n, const GLshort *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib3svNV(index + i, v + 3 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs3fvNV(GLuint index, GLsizei n, const GLfloat *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib3fvNV(index + i, v + 3 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs3dvNV(GLuint index, GLsizei n, const GLdouble *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib3dvNV(index + i, v + 3 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs4svNV(GLuint index, GLsizei n, const GLshort *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib4svNV(index + i, v + 4 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs4fvNV(GLuint index, GLsizei n, const GLfloat *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib4fvNV(index + i, v + 4 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs4dvNV(GLuint index, GLsizei n, const GLdouble *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib4dvNV(index + i, v + 4 * i); +} + +static void GLAPIENTRY +loopback_VertexAttribs4ubvNV(GLuint index, GLsizei n, const GLubyte *v) +{ + GLint i; + for (i = n - 1; i >= 0; i--) + loopback_VertexAttrib4ubvNV(index + i, v + 4 * i); +} + + +/* + * GL_ARB_vertex_program + */ + +static void GLAPIENTRY +loopback_VertexAttrib4bvARB(GLuint index, const GLbyte * v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4ivARB(GLuint index, const GLint * v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4ubvARB(GLuint index, const GLubyte * v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4usvARB(GLuint index, const GLushort * v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4uivARB(GLuint index, const GLuint * v) +{ + ATTRIB4(index, (GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY +loopback_VertexAttrib4NbvARB(GLuint index, const GLbyte * v) +{ + ATTRIB4(index, BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1]), + BYTE_TO_FLOAT(v[2]), BYTE_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY +loopback_VertexAttrib4NsvARB(GLuint index, const GLshort * v) +{ + ATTRIB4(index, SHORT_TO_FLOAT(v[0]), SHORT_TO_FLOAT(v[1]), + SHORT_TO_FLOAT(v[2]), SHORT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY +loopback_VertexAttrib4NivARB(GLuint index, const GLint * v) +{ + ATTRIB4(index, INT_TO_FLOAT(v[0]), INT_TO_FLOAT(v[1]), + INT_TO_FLOAT(v[2]), INT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY +loopback_VertexAttrib4NusvARB(GLuint index, const GLushort * v) +{ + ATTRIB4(index, USHORT_TO_FLOAT(v[0]), USHORT_TO_FLOAT(v[1]), + USHORT_TO_FLOAT(v[2]), USHORT_TO_FLOAT(v[3])); +} + +static void GLAPIENTRY +loopback_VertexAttrib4NuivARB(GLuint index, const GLuint * v) +{ + ATTRIB4(index, UINT_TO_FLOAT(v[0]), UINT_TO_FLOAT(v[1]), + UINT_TO_FLOAT(v[2]), UINT_TO_FLOAT(v[3])); +} + + + + +/* + * This code never registers handlers for any of the entry points + * listed in vtxfmt.h. + */ +void +_mesa_loopback_init_api_table( struct _glapi_table *dest ) +{ + dest->Color3b = loopback_Color3b_f; + dest->Color3d = loopback_Color3d_f; + dest->Color3i = loopback_Color3i_f; + dest->Color3s = loopback_Color3s_f; + dest->Color3ui = loopback_Color3ui_f; + dest->Color3us = loopback_Color3us_f; + dest->Color3ub = loopback_Color3ub_f; + dest->Color4b = loopback_Color4b_f; + dest->Color4d = loopback_Color4d_f; + dest->Color4i = loopback_Color4i_f; + dest->Color4s = loopback_Color4s_f; + dest->Color4ui = loopback_Color4ui_f; + dest->Color4us = loopback_Color4us_f; + dest->Color4ub = loopback_Color4ub_f; + dest->Color3bv = loopback_Color3bv_f; + dest->Color3dv = loopback_Color3dv_f; + dest->Color3iv = loopback_Color3iv_f; + dest->Color3sv = loopback_Color3sv_f; + dest->Color3uiv = loopback_Color3uiv_f; + dest->Color3usv = loopback_Color3usv_f; + dest->Color3ubv = loopback_Color3ubv_f; + dest->Color4bv = loopback_Color4bv_f; + dest->Color4dv = loopback_Color4dv_f; + dest->Color4iv = loopback_Color4iv_f; + dest->Color4sv = loopback_Color4sv_f; + dest->Color4uiv = loopback_Color4uiv_f; + dest->Color4usv = loopback_Color4usv_f; + dest->Color4ubv = loopback_Color4ubv_f; + + dest->SecondaryColor3bEXT = loopback_SecondaryColor3bEXT_f; + dest->SecondaryColor3dEXT = loopback_SecondaryColor3dEXT_f; + dest->SecondaryColor3iEXT = loopback_SecondaryColor3iEXT_f; + dest->SecondaryColor3sEXT = loopback_SecondaryColor3sEXT_f; + dest->SecondaryColor3uiEXT = loopback_SecondaryColor3uiEXT_f; + dest->SecondaryColor3usEXT = loopback_SecondaryColor3usEXT_f; + dest->SecondaryColor3ubEXT = loopback_SecondaryColor3ubEXT_f; + dest->SecondaryColor3bvEXT = loopback_SecondaryColor3bvEXT_f; + dest->SecondaryColor3dvEXT = loopback_SecondaryColor3dvEXT_f; + dest->SecondaryColor3ivEXT = loopback_SecondaryColor3ivEXT_f; + dest->SecondaryColor3svEXT = loopback_SecondaryColor3svEXT_f; + dest->SecondaryColor3uivEXT = loopback_SecondaryColor3uivEXT_f; + dest->SecondaryColor3usvEXT = loopback_SecondaryColor3usvEXT_f; + dest->SecondaryColor3ubvEXT = loopback_SecondaryColor3ubvEXT_f; + + dest->Indexd = loopback_Indexd; + dest->Indexi = loopback_Indexi; + dest->Indexs = loopback_Indexs; + dest->Indexub = loopback_Indexub; + dest->Indexdv = loopback_Indexdv; + dest->Indexiv = loopback_Indexiv; + dest->Indexsv = loopback_Indexsv; + dest->Indexubv = loopback_Indexubv; + dest->Normal3b = loopback_Normal3b; + dest->Normal3d = loopback_Normal3d; + dest->Normal3i = loopback_Normal3i; + dest->Normal3s = loopback_Normal3s; + dest->Normal3bv = loopback_Normal3bv; + dest->Normal3dv = loopback_Normal3dv; + dest->Normal3iv = loopback_Normal3iv; + dest->Normal3sv = loopback_Normal3sv; + dest->TexCoord1d = loopback_TexCoord1d; + dest->TexCoord1i = loopback_TexCoord1i; + dest->TexCoord1s = loopback_TexCoord1s; + dest->TexCoord2d = loopback_TexCoord2d; + dest->TexCoord2s = loopback_TexCoord2s; + dest->TexCoord2i = loopback_TexCoord2i; + dest->TexCoord3d = loopback_TexCoord3d; + dest->TexCoord3i = loopback_TexCoord3i; + dest->TexCoord3s = loopback_TexCoord3s; + dest->TexCoord4d = loopback_TexCoord4d; + dest->TexCoord4i = loopback_TexCoord4i; + dest->TexCoord4s = loopback_TexCoord4s; + dest->TexCoord1dv = loopback_TexCoord1dv; + dest->TexCoord1iv = loopback_TexCoord1iv; + dest->TexCoord1sv = loopback_TexCoord1sv; + dest->TexCoord2dv = loopback_TexCoord2dv; + dest->TexCoord2iv = loopback_TexCoord2iv; + dest->TexCoord2sv = loopback_TexCoord2sv; + dest->TexCoord3dv = loopback_TexCoord3dv; + dest->TexCoord3iv = loopback_TexCoord3iv; + dest->TexCoord3sv = loopback_TexCoord3sv; + dest->TexCoord4dv = loopback_TexCoord4dv; + dest->TexCoord4iv = loopback_TexCoord4iv; + dest->TexCoord4sv = loopback_TexCoord4sv; + dest->Vertex2d = loopback_Vertex2d; + dest->Vertex2i = loopback_Vertex2i; + dest->Vertex2s = loopback_Vertex2s; + dest->Vertex3d = loopback_Vertex3d; + dest->Vertex3i = loopback_Vertex3i; + dest->Vertex3s = loopback_Vertex3s; + dest->Vertex4d = loopback_Vertex4d; + dest->Vertex4i = loopback_Vertex4i; + dest->Vertex4s = loopback_Vertex4s; + dest->Vertex2dv = loopback_Vertex2dv; + dest->Vertex2iv = loopback_Vertex2iv; + dest->Vertex2sv = loopback_Vertex2sv; + dest->Vertex3dv = loopback_Vertex3dv; + dest->Vertex3iv = loopback_Vertex3iv; + dest->Vertex3sv = loopback_Vertex3sv; + dest->Vertex4dv = loopback_Vertex4dv; + dest->Vertex4iv = loopback_Vertex4iv; + dest->Vertex4sv = loopback_Vertex4sv; + dest->MultiTexCoord1dARB = loopback_MultiTexCoord1dARB; + dest->MultiTexCoord1dvARB = loopback_MultiTexCoord1dvARB; + dest->MultiTexCoord1iARB = loopback_MultiTexCoord1iARB; + dest->MultiTexCoord1ivARB = loopback_MultiTexCoord1ivARB; + dest->MultiTexCoord1sARB = loopback_MultiTexCoord1sARB; + dest->MultiTexCoord1svARB = loopback_MultiTexCoord1svARB; + dest->MultiTexCoord2dARB = loopback_MultiTexCoord2dARB; + dest->MultiTexCoord2dvARB = loopback_MultiTexCoord2dvARB; + dest->MultiTexCoord2iARB = loopback_MultiTexCoord2iARB; + dest->MultiTexCoord2ivARB = loopback_MultiTexCoord2ivARB; + dest->MultiTexCoord2sARB = loopback_MultiTexCoord2sARB; + dest->MultiTexCoord2svARB = loopback_MultiTexCoord2svARB; + dest->MultiTexCoord3dARB = loopback_MultiTexCoord3dARB; + dest->MultiTexCoord3dvARB = loopback_MultiTexCoord3dvARB; + dest->MultiTexCoord3iARB = loopback_MultiTexCoord3iARB; + dest->MultiTexCoord3ivARB = loopback_MultiTexCoord3ivARB; + dest->MultiTexCoord3sARB = loopback_MultiTexCoord3sARB; + dest->MultiTexCoord3svARB = loopback_MultiTexCoord3svARB; + dest->MultiTexCoord4dARB = loopback_MultiTexCoord4dARB; + dest->MultiTexCoord4dvARB = loopback_MultiTexCoord4dvARB; + dest->MultiTexCoord4iARB = loopback_MultiTexCoord4iARB; + dest->MultiTexCoord4ivARB = loopback_MultiTexCoord4ivARB; + dest->MultiTexCoord4sARB = loopback_MultiTexCoord4sARB; + dest->MultiTexCoord4svARB = loopback_MultiTexCoord4svARB; + dest->EvalCoord2dv = loopback_EvalCoord2dv; + dest->EvalCoord2fv = loopback_EvalCoord2fv; + dest->EvalCoord2d = loopback_EvalCoord2d; + dest->EvalCoord1dv = loopback_EvalCoord1dv; + dest->EvalCoord1fv = loopback_EvalCoord1fv; + dest->EvalCoord1d = loopback_EvalCoord1d; + dest->Materialf = loopback_Materialf; + dest->Materiali = loopback_Materiali; + dest->Materialiv = loopback_Materialiv; + dest->Rectd = loopback_Rectd; + dest->Rectdv = loopback_Rectdv; + dest->Rectfv = loopback_Rectfv; + dest->Recti = loopback_Recti; + dest->Rectiv = loopback_Rectiv; + dest->Rects = loopback_Rects; + dest->Rectsv = loopback_Rectsv; + dest->FogCoorddEXT = loopback_FogCoorddEXT; + dest->FogCoorddvEXT = loopback_FogCoorddvEXT; + + dest->VertexAttrib1sNV = loopback_VertexAttrib1sNV; + dest->VertexAttrib1fNV = loopback_VertexAttrib1fNV; + dest->VertexAttrib1dNV = loopback_VertexAttrib1dNV; + dest->VertexAttrib2sNV = loopback_VertexAttrib2sNV; + dest->VertexAttrib2fNV = loopback_VertexAttrib2fNV; + dest->VertexAttrib2dNV = loopback_VertexAttrib2dNV; + dest->VertexAttrib3sNV = loopback_VertexAttrib3sNV; + dest->VertexAttrib3fNV = loopback_VertexAttrib3fNV; + dest->VertexAttrib3dNV = loopback_VertexAttrib3dNV; + dest->VertexAttrib4sNV = loopback_VertexAttrib4sNV; + dest->VertexAttrib4dNV = loopback_VertexAttrib4dNV; + dest->VertexAttrib4ubNV = loopback_VertexAttrib4ubNV; + + dest->VertexAttrib1svNV = loopback_VertexAttrib1svNV; + dest->VertexAttrib1fvNV = loopback_VertexAttrib1fvNV; + dest->VertexAttrib1dvNV = loopback_VertexAttrib1dvNV; + dest->VertexAttrib2svNV = loopback_VertexAttrib2svNV; + dest->VertexAttrib2fvNV = loopback_VertexAttrib2fvNV; + dest->VertexAttrib2dvNV = loopback_VertexAttrib2dvNV; + dest->VertexAttrib3svNV = loopback_VertexAttrib3svNV; + dest->VertexAttrib3fvNV = loopback_VertexAttrib3fvNV; + dest->VertexAttrib3dvNV = loopback_VertexAttrib3dvNV; + dest->VertexAttrib4svNV = loopback_VertexAttrib4svNV; + dest->VertexAttrib4fvNV = loopback_VertexAttrib4fvNV; + dest->VertexAttrib4dvNV = loopback_VertexAttrib4dvNV; + dest->VertexAttrib4ubvNV = loopback_VertexAttrib4ubvNV; + + dest->VertexAttribs1svNV = loopback_VertexAttribs1svNV; + dest->VertexAttribs1fvNV = loopback_VertexAttribs1fvNV; + dest->VertexAttribs1dvNV = loopback_VertexAttribs1dvNV; + dest->VertexAttribs2svNV = loopback_VertexAttribs2svNV; + dest->VertexAttribs2fvNV = loopback_VertexAttribs2fvNV; + dest->VertexAttribs2dvNV = loopback_VertexAttribs2dvNV; + dest->VertexAttribs3svNV = loopback_VertexAttribs3svNV; + dest->VertexAttribs3fvNV = loopback_VertexAttribs3fvNV; + dest->VertexAttribs3dvNV = loopback_VertexAttribs3dvNV; + dest->VertexAttribs4svNV = loopback_VertexAttribs4svNV; + dest->VertexAttribs4fvNV = loopback_VertexAttribs4fvNV; + dest->VertexAttribs4dvNV = loopback_VertexAttribs4dvNV; + dest->VertexAttribs4ubvNV = loopback_VertexAttribs4ubvNV; + + dest->VertexAttrib4bvARB = loopback_VertexAttrib4bvARB; + dest->VertexAttrib4ivARB = loopback_VertexAttrib4ivARB; + dest->VertexAttrib4ubvARB = loopback_VertexAttrib4ubvARB; + dest->VertexAttrib4usvARB = loopback_VertexAttrib4usvARB; + dest->VertexAttrib4uivARB = loopback_VertexAttrib4uivARB; + dest->VertexAttrib4NbvARB = loopback_VertexAttrib4NbvARB; + dest->VertexAttrib4NsvARB = loopback_VertexAttrib4NsvARB; + dest->VertexAttrib4NivARB = loopback_VertexAttrib4NivARB; + dest->VertexAttrib4NusvARB = loopback_VertexAttrib4NusvARB; + dest->VertexAttrib4NuivARB = loopback_VertexAttrib4NuivARB; +} diff --git a/src/mesa/main/api_loopback.h b/src/mesa/main/api_loopback.h new file mode 100644 index 0000000..6f85bbc --- /dev/null +++ b/src/mesa/main/api_loopback.h @@ -0,0 +1,37 @@ +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef API_LOOPBACK_H +#define API_LOOPBACK_H + +#include "glheader.h" + + +struct _glapi_table; + +extern void _mesa_loopback_init_api_table( struct _glapi_table *dest ); + +#endif diff --git a/src/mesa/main/api_noop.c b/src/mesa/main/api_noop.c new file mode 100644 index 0000000..aba6074 --- /dev/null +++ b/src/mesa/main/api_noop.c @@ -0,0 +1,866 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "api_noop.h" +#include "api_validate.h" +#include "api_arrayelt.h" +#include "context.h" +#include "colormac.h" +#include "light.h" +#include "macros.h" +#include "mtypes.h" +#include "dlist.h" + + +/* In states where certain vertex components are required for t&l or + * rasterization, we still need to keep track of the current values. + * These functions provide this service by keeping uptodate the + * 'ctx->Current' struct for all data elements not included in the + * currently enabled hardware vertex. + * I.e. these functions would typically be used when outside of glBegin/End. + */ + + +void GLAPIENTRY _mesa_noop_EdgeFlag( GLboolean b ) +{ + GET_CURRENT_CONTEXT(ctx); + ctx->Current.EdgeFlag = b; +} + +void GLAPIENTRY _mesa_noop_EdgeFlagv( const GLboolean *b ) +{ + GET_CURRENT_CONTEXT(ctx); + ctx->Current.EdgeFlag = *b; +} + +void GLAPIENTRY _mesa_noop_Indexf( GLfloat f ) +{ + GET_CURRENT_CONTEXT(ctx); + ctx->Current.Index = f; +} + +void GLAPIENTRY _mesa_noop_Indexfv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + ctx->Current.Index = *v; +} + +void GLAPIENTRY _mesa_noop_FogCoordfEXT( GLfloat a ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_FOG]; + dest[0] = a; + dest[1] = 0.0; + dest[2] = 0.0; + dest[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_FogCoordfvEXT( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_FOG]; + dest[0] = v[0]; + dest[1] = 0.0; + dest[2] = 0.0; + dest[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_Normal3f( GLfloat a, GLfloat b, GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL]; + dest[0] = a; + dest[1] = b; + dest[2] = c; + dest[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_Normal3fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_NORMAL]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = v[2]; + dest[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_Color4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + color[0] = a; + color[1] = b; + color[2] = c; + color[3] = d; +} + +void GLAPIENTRY _mesa_noop_Color4fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + color[0] = v[0]; + color[1] = v[1]; + color[2] = v[2]; + color[3] = v[3]; +} + +void GLAPIENTRY _mesa_noop_Color3f( GLfloat a, GLfloat b, GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + color[0] = a; + color[1] = b; + color[2] = c; + color[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_Color3fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + color[0] = v[0]; + color[1] = v[1]; + color[2] = v[2]; + color[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord1fARB( GLenum target, GLfloat a ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = a; + dest[1] = 0; + dest[2] = 0; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord1fvARB( GLenum target, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = v[0]; + dest[1] = 0; + dest[2] = 0; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord2fARB( GLenum target, GLfloat a, GLfloat b ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = a; + dest[1] = b; + dest[2] = 0; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord2fvARB( GLenum target, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = 0; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord3fARB( GLenum target, GLfloat a, GLfloat b, GLfloat c) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = a; + dest[1] = b; + dest[2] = c; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord3fvARB( GLenum target, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = v[2]; + dest[3] = 1; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord4fARB( GLenum target, GLfloat a, GLfloat b, + GLfloat c, GLfloat d ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = a; + dest[1] = b; + dest[2] = c; + dest[3] = d; + } +} + +void GLAPIENTRY _mesa_noop_MultiTexCoord4fvARB( GLenum target, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = target - GL_TEXTURE0_ARB; + + /* unit is unsigned -- cannot be less than zero. + */ + if (unit < MAX_TEXTURE_COORD_UNITS) + { + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = v[2]; + dest[3] = v[3]; + } +} + +void GLAPIENTRY _mesa_noop_SecondaryColor3fEXT( GLfloat a, GLfloat b, GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1]; + color[0] = a; + color[1] = b; + color[2] = c; + color[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_SecondaryColor3fvEXT( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *color = ctx->Current.Attrib[VERT_ATTRIB_COLOR1]; + color[0] = v[0]; + color[1] = v[1]; + color[2] = v[2]; + color[3] = 1.0; +} + +void GLAPIENTRY _mesa_noop_TexCoord1f( GLfloat a ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = a; + dest[1] = 0; + dest[2] = 0; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord1fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = v[0]; + dest[1] = 0; + dest[2] = 0; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord2f( GLfloat a, GLfloat b ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = a; + dest[1] = b; + dest[2] = 0; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord2fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = 0; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord3f( GLfloat a, GLfloat b, GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = a; + dest[1] = b; + dest[2] = c; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord3fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = v[2]; + dest[3] = 1; +} + +void GLAPIENTRY _mesa_noop_TexCoord4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = a; + dest[1] = b; + dest[2] = c; + dest[3] = d; +} + +void GLAPIENTRY _mesa_noop_TexCoord4fv( const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + dest[0] = v[0]; + dest[1] = v[1]; + dest[2] = v[2]; + dest[3] = v[3]; +} + + + +void GLAPIENTRY _mesa_noop_VertexAttrib1fNV( GLuint index, GLfloat x ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], x, 0, 0, 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib1f" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib1fvNV( GLuint index, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], v[0], 0, 0, 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib1fv" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib2fNV( GLuint index, GLfloat x, GLfloat y ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], x, y, 0, 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib2f" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib2fvNV( GLuint index, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], 0, 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib2fv" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib3fNV( GLuint index, GLfloat x, + GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib3f" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib3fvNV( GLuint index, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], 1); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib3fv" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib4fNV( GLuint index, GLfloat x, + GLfloat y, GLfloat z, GLfloat w ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], x, y, z, w); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib4f" ); +} + +void GLAPIENTRY _mesa_noop_VertexAttrib4fvNV( GLuint index, const GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + if (index < VERT_ATTRIB_MAX) { + ASSIGN_4V(ctx->Current.Attrib[index], v[0], v[1], v[2], v[3]); + } + else + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttrib4fv" ); +} + +/* Material + */ +void GLAPIENTRY _mesa_noop_Materialfv( GLenum face, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i, nr; + struct gl_material *mat = &ctx->Light.Material; + GLuint bitmask = _mesa_material_bitmask( ctx, face, pname, ~0, + "_mesa_noop_Materialfv" ); + + if (ctx->Light.ColorMaterialEnabled) + bitmask &= ~ctx->Light.ColorMaterialBitmask; + + if (bitmask == 0) + return; + + switch (face) { + case GL_SHININESS: nr = 1; break; + case GL_COLOR_INDEXES: nr = 3; break; + default: nr = 4 ; break; + } + + for (i = 0 ; i < MAT_ATTRIB_MAX ; i++) + if (bitmask & (1<<i)) + COPY_SZ_4V( mat->Attrib[i], nr, params ); + + _mesa_update_material( ctx, bitmask ); +} + +/* These really are noops outside begin/end: + */ +void GLAPIENTRY _mesa_noop_Vertex2fv( const GLfloat *v ) +{ + (void) v; +} + +void GLAPIENTRY _mesa_noop_Vertex3fv( const GLfloat *v ) +{ + (void) v; +} + +void GLAPIENTRY _mesa_noop_Vertex4fv( const GLfloat *v ) +{ + (void) v; +} + +void GLAPIENTRY _mesa_noop_Vertex2f( GLfloat a, GLfloat b ) +{ + (void) a; (void) b; +} + +void GLAPIENTRY _mesa_noop_Vertex3f( GLfloat a, GLfloat b, GLfloat c ) +{ + (void) a; (void) b; (void) c; +} + +void GLAPIENTRY _mesa_noop_Vertex4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ) +{ + (void) a; (void) b; (void) c; (void) d; +} + +/* Similarly, these have no effect outside begin/end: + */ +void GLAPIENTRY _mesa_noop_EvalCoord1f( GLfloat a ) +{ + (void) a; +} + +void GLAPIENTRY _mesa_noop_EvalCoord1fv( const GLfloat *v ) +{ + (void) v; +} + +void GLAPIENTRY _mesa_noop_EvalCoord2f( GLfloat a, GLfloat b ) +{ + (void) a; (void) b; +} + +void GLAPIENTRY _mesa_noop_EvalCoord2fv( const GLfloat *v ) +{ + (void) v; +} + +void GLAPIENTRY _mesa_noop_EvalPoint1( GLint a ) +{ + (void) a; +} + +void GLAPIENTRY _mesa_noop_EvalPoint2( GLint a, GLint b ) +{ + (void) a; (void) b; +} + + +/* Begin -- call into driver, should result in the vtxfmt being + * swapped out: + */ +void GLAPIENTRY _mesa_noop_Begin( GLenum mode ) +{ + (void) mode; +} + + +/* End -- just raise an error + */ +void GLAPIENTRY _mesa_noop_End( void ) +{ + GET_CURRENT_CONTEXT(ctx); + _mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" ); +} + + +/* Execute a glRectf() function. This is not suitable for GL_COMPILE + * modes (as the test for outside begin/end is not compiled), + * but may be useful for drivers in circumstances which exclude + * display list interactions. + * + * (None of the functions in this file are suitable for GL_COMPILE + * modes). + */ +void GLAPIENTRY _mesa_noop_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 ) +{ + { + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + } + + GL_CALL(Begin)( GL_QUADS ); + GL_CALL(Vertex2f)( x1, y1 ); + GL_CALL(Vertex2f)( x2, y1 ); + GL_CALL(Vertex2f)( x2, y2 ); + GL_CALL(Vertex2f)( x1, y2 ); + GL_CALL(End)(); +} + + +/* Some very basic support for arrays. Drivers without explicit array + * support can hook these in, but still need to supply an array-elt + * implementation. + */ +void GLAPIENTRY _mesa_noop_DrawArrays(GLenum mode, GLint start, GLsizei count) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + if (!_mesa_validate_DrawArrays( ctx, mode, start, count )) + return; + + GL_CALL(Begin)(mode); + for (i = 0; i < count; i++) + GL_CALL(ArrayElement)(start + i); + GL_CALL(End)(); +} + + +void GLAPIENTRY _mesa_noop_DrawElements(GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices )) + return; + + GL_CALL(Begin)(mode); + + switch (type) { + case GL_UNSIGNED_BYTE: + for (i = 0 ; i < count ; i++) + GL_CALL(ArrayElement)( ((GLubyte *)indices)[i] ); + break; + case GL_UNSIGNED_SHORT: + for (i = 0 ; i < count ; i++) + GL_CALL(ArrayElement)( ((GLushort *)indices)[i] ); + break; + case GL_UNSIGNED_INT: + for (i = 0 ; i < count ; i++) + GL_CALL(ArrayElement)( ((GLuint *)indices)[i] ); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); + break; + } + + GL_CALL(End)(); +} + +void GLAPIENTRY _mesa_noop_DrawRangeElements(GLenum mode, + GLuint start, GLuint end, + GLsizei count, GLenum type, + const GLvoid *indices) +{ + GET_CURRENT_CONTEXT(ctx); + + if (_mesa_validate_DrawRangeElements( ctx, mode, + start, end, + count, type, indices )) + GL_CALL(DrawElements)( mode, count, type, indices ); +} + +/* + * Eval Mesh + */ + +/* KW: If are compiling, we don't know whether eval will produce a + * vertex when it is run in the future. If this is pure immediate + * mode, eval is a noop if neither vertex map is enabled. + * + * Thus we need to have a check in the display list code or + * elsewhere for eval(1,2) vertices in the case where + * map(1,2)_vertex is disabled, and to purge those vertices from + * the vb. + */ +void GLAPIENTRY _mesa_noop_EvalMesh1( GLenum mode, GLint i1, GLint i2 ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + GLfloat u, du; + GLenum prim; + + switch (mode) { + case GL_POINT: + prim = GL_POINTS; + break; + case GL_LINE: + prim = GL_LINE_STRIP; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh1(mode)" ); + return; + } + + /* No effect if vertex maps disabled. + */ + if (!ctx->Eval.Map1Vertex4 && + !ctx->Eval.Map1Vertex3 && + !(ctx->VertexProgram._Enabled && ctx->Eval.Map1Attrib[VERT_ATTRIB_POS])) + return; + + du = ctx->Eval.MapGrid1du; + u = ctx->Eval.MapGrid1u1 + i1 * du; + + GL_CALL(Begin)( prim ); + for (i=i1;i<=i2;i++,u+=du) { + GL_CALL(EvalCoord1f)( u ); + } + GL_CALL(End)(); +} + + + +void GLAPIENTRY _mesa_noop_EvalMesh2( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 ) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat u, du, v, dv, v1, u1; + GLint i, j; + + switch (mode) { + case GL_POINT: + case GL_LINE: + case GL_FILL: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" ); + return; + } + + /* No effect if vertex maps disabled. + */ + if (!ctx->Eval.Map2Vertex4 && + !ctx->Eval.Map2Vertex3 && + !(ctx->VertexProgram._Enabled && ctx->Eval.Map2Attrib[VERT_ATTRIB_POS])) + return; + + du = ctx->Eval.MapGrid2du; + dv = ctx->Eval.MapGrid2dv; + v1 = ctx->Eval.MapGrid2v1 + j1 * dv; + u1 = ctx->Eval.MapGrid2u1 + i1 * du; + + switch (mode) { + case GL_POINT: + GL_CALL(Begin)( GL_POINTS ); + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + for (u=u1,i=i1;i<=i2;i++,u+=du) { + GL_CALL(EvalCoord2f)(u, v ); + } + } + GL_CALL(End)(); + break; + case GL_LINE: + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + GL_CALL(Begin)( GL_LINE_STRIP ); + for (u=u1,i=i1;i<=i2;i++,u+=du) { + GL_CALL(EvalCoord2f)(u, v ); + } + GL_CALL(End)(); + } + for (u=u1,i=i1;i<=i2;i++,u+=du) { + GL_CALL(Begin)( GL_LINE_STRIP ); + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + GL_CALL(EvalCoord2f)(u, v ); + } + GL_CALL(End)(); + } + break; + case GL_FILL: + for (v=v1,j=j1;j<j2;j++,v+=dv) { + GL_CALL(Begin)( GL_TRIANGLE_STRIP ); + for (u=u1,i=i1;i<=i2;i++,u+=du) { + GL_CALL(EvalCoord2f)(u, v ); + GL_CALL(EvalCoord2f)(u, v+dv ); + } + GL_CALL(End)(); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" ); + return; + } +} + + + +/* Build a vertexformat full of things to use outside begin/end pairs. + * + * TODO -- build a whole dispatch table for this purpose, and likewise + * for inside begin/end. + */ +void _mesa_noop_vtxfmt_init( GLvertexformat *vfmt ) +{ + vfmt->ArrayElement = _ae_loopback_array_elt; /* generic helper */ + vfmt->Begin = _mesa_noop_Begin; + vfmt->CallList = _mesa_CallList; + vfmt->CallLists = _mesa_CallLists; + vfmt->Color3f = _mesa_noop_Color3f; + vfmt->Color3fv = _mesa_noop_Color3fv; + vfmt->Color4f = _mesa_noop_Color4f; + vfmt->Color4fv = _mesa_noop_Color4fv; + vfmt->EdgeFlag = _mesa_noop_EdgeFlag; + vfmt->EdgeFlagv = _mesa_noop_EdgeFlagv; + vfmt->End = _mesa_noop_End; + vfmt->EvalCoord1f = _mesa_noop_EvalCoord1f; + vfmt->EvalCoord1fv = _mesa_noop_EvalCoord1fv; + vfmt->EvalCoord2f = _mesa_noop_EvalCoord2f; + vfmt->EvalCoord2fv = _mesa_noop_EvalCoord2fv; + vfmt->EvalPoint1 = _mesa_noop_EvalPoint1; + vfmt->EvalPoint2 = _mesa_noop_EvalPoint2; + vfmt->FogCoordfEXT = _mesa_noop_FogCoordfEXT; + vfmt->FogCoordfvEXT = _mesa_noop_FogCoordfvEXT; + vfmt->Indexf = _mesa_noop_Indexf; + vfmt->Indexfv = _mesa_noop_Indexfv; + vfmt->Materialfv = _mesa_noop_Materialfv; + vfmt->MultiTexCoord1fARB = _mesa_noop_MultiTexCoord1fARB; + vfmt->MultiTexCoord1fvARB = _mesa_noop_MultiTexCoord1fvARB; + vfmt->MultiTexCoord2fARB = _mesa_noop_MultiTexCoord2fARB; + vfmt->MultiTexCoord2fvARB = _mesa_noop_MultiTexCoord2fvARB; + vfmt->MultiTexCoord3fARB = _mesa_noop_MultiTexCoord3fARB; + vfmt->MultiTexCoord3fvARB = _mesa_noop_MultiTexCoord3fvARB; + vfmt->MultiTexCoord4fARB = _mesa_noop_MultiTexCoord4fARB; + vfmt->MultiTexCoord4fvARB = _mesa_noop_MultiTexCoord4fvARB; + vfmt->Normal3f = _mesa_noop_Normal3f; + vfmt->Normal3fv = _mesa_noop_Normal3fv; + vfmt->SecondaryColor3fEXT = _mesa_noop_SecondaryColor3fEXT; + vfmt->SecondaryColor3fvEXT = _mesa_noop_SecondaryColor3fvEXT; + vfmt->TexCoord1f = _mesa_noop_TexCoord1f; + vfmt->TexCoord1fv = _mesa_noop_TexCoord1fv; + vfmt->TexCoord2f = _mesa_noop_TexCoord2f; + vfmt->TexCoord2fv = _mesa_noop_TexCoord2fv; + vfmt->TexCoord3f = _mesa_noop_TexCoord3f; + vfmt->TexCoord3fv = _mesa_noop_TexCoord3fv; + vfmt->TexCoord4f = _mesa_noop_TexCoord4f; + vfmt->TexCoord4fv = _mesa_noop_TexCoord4fv; + vfmt->Vertex2f = _mesa_noop_Vertex2f; + vfmt->Vertex2fv = _mesa_noop_Vertex2fv; + vfmt->Vertex3f = _mesa_noop_Vertex3f; + vfmt->Vertex3fv = _mesa_noop_Vertex3fv; + vfmt->Vertex4f = _mesa_noop_Vertex4f; + vfmt->Vertex4fv = _mesa_noop_Vertex4fv; + vfmt->VertexAttrib1fNV = _mesa_noop_VertexAttrib1fNV; + vfmt->VertexAttrib1fvNV = _mesa_noop_VertexAttrib1fvNV; + vfmt->VertexAttrib2fNV = _mesa_noop_VertexAttrib2fNV; + vfmt->VertexAttrib2fvNV = _mesa_noop_VertexAttrib2fvNV; + vfmt->VertexAttrib3fNV = _mesa_noop_VertexAttrib3fNV; + vfmt->VertexAttrib3fvNV = _mesa_noop_VertexAttrib3fvNV; + vfmt->VertexAttrib4fNV = _mesa_noop_VertexAttrib4fNV; + vfmt->VertexAttrib4fvNV = _mesa_noop_VertexAttrib4fvNV; + + vfmt->Rectf = _mesa_noop_Rectf; + + vfmt->DrawArrays = _mesa_noop_DrawArrays; + vfmt->DrawElements = _mesa_noop_DrawElements; + vfmt->DrawRangeElements = _mesa_noop_DrawRangeElements; + vfmt->EvalMesh1 = _mesa_noop_EvalMesh1; + vfmt->EvalMesh2 = _mesa_noop_EvalMesh2; +} diff --git a/src/mesa/main/api_noop.h b/src/mesa/main/api_noop.h new file mode 100644 index 0000000..7bb9c88 --- /dev/null +++ b/src/mesa/main/api_noop.h @@ -0,0 +1,180 @@ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _API_NOOP_H +#define _API_NOOP_H + + +#include "glheader.h" +#include "mtypes.h" +#include "context.h" + +/* In states where certain vertex components are required for t&l or + * rasterization, we still need to keep track of the current values. + * These functions provide this service by keeping uptodate the + * 'ctx->Current' struct for all data elements not included in the + * currently enabled hardware vertex. + * + */ +extern void GLAPIENTRY _mesa_noop_EdgeFlag( GLboolean b ); + +extern void GLAPIENTRY _mesa_noop_EdgeFlagv( const GLboolean *b ); + +extern void GLAPIENTRY _mesa_noop_FogCoordfEXT( GLfloat a ); + +extern void GLAPIENTRY _mesa_noop_FogCoordfvEXT( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Indexf( GLfloat i ); + +extern void GLAPIENTRY _mesa_noop_Indexfv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Normal3f( GLfloat a, GLfloat b, GLfloat c ); + +extern void GLAPIENTRY _mesa_noop_Normal3fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Materialfv( GLenum face, GLenum pname, const GLfloat *param ); + +extern void _mesa_noop_Color4ub( GLubyte a, GLubyte b, GLubyte c, GLubyte d ); + +extern void _mesa_noop_Color4ubv( const GLubyte *v ); + +extern void GLAPIENTRY _mesa_noop_Color4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ); + +extern void GLAPIENTRY _mesa_noop_Color4fv( const GLfloat *v ); + +extern void _mesa_noop_Color3ub( GLubyte a, GLubyte b, GLubyte c ); + +extern void _mesa_noop_Color3ubv( const GLubyte *v ); + +extern void GLAPIENTRY _mesa_noop_Color3f( GLfloat a, GLfloat b, GLfloat c ); + +extern void GLAPIENTRY _mesa_noop_Color3fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord1fARB( GLenum target, GLfloat a ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord1fvARB( GLenum target, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord2fARB( GLenum target, GLfloat a, + GLfloat b ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord2fvARB( GLenum target, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord3fARB( GLenum target, GLfloat a, + GLfloat b, GLfloat c); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord3fvARB( GLenum target, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord4fARB( GLenum target, GLfloat a, + GLfloat b, GLfloat c, GLfloat d ); + +extern void GLAPIENTRY _mesa_noop_MultiTexCoord4fvARB( GLenum target, const GLfloat *v ); + +extern void _mesa_noop_SecondaryColor3ubEXT( GLubyte a, GLubyte b, GLubyte c ); + +extern void _mesa_noop_SecondaryColor3ubvEXT( const GLubyte *v ); + +extern void GLAPIENTRY _mesa_noop_SecondaryColor3fEXT( GLfloat a, GLfloat b, GLfloat c ); + +extern void GLAPIENTRY _mesa_noop_SecondaryColor3fvEXT( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_TexCoord1f( GLfloat a ); + +extern void GLAPIENTRY _mesa_noop_TexCoord1fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_TexCoord2f( GLfloat a, GLfloat b ); + +extern void GLAPIENTRY _mesa_noop_TexCoord2fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_TexCoord3f( GLfloat a, GLfloat b, GLfloat c ); + +extern void GLAPIENTRY _mesa_noop_TexCoord3fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_TexCoord4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ); + +extern void GLAPIENTRY _mesa_noop_TexCoord4fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Vertex2fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Vertex3fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Vertex4fv( const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_Vertex2f( GLfloat a, GLfloat b ); + +extern void GLAPIENTRY _mesa_noop_Vertex3f( GLfloat a, GLfloat b, GLfloat c ); + +extern void GLAPIENTRY _mesa_noop_Vertex4f( GLfloat a, GLfloat b, GLfloat c, GLfloat d ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib1fNV( GLuint index, GLfloat x ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib1fvNV( GLuint index, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib2fNV( GLuint index, GLfloat x, GLfloat y ); +extern void GLAPIENTRY _mesa_noop_VertexAttrib2fvNV( GLuint index, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib3fNV( GLuint index, GLfloat x, + GLfloat y, GLfloat z ); +extern void GLAPIENTRY _mesa_noop_VertexAttrib3fvNV( GLuint index, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib4fNV( GLuint index, GLfloat x, + GLfloat y, GLfloat z, GLfloat w ); + +extern void GLAPIENTRY _mesa_noop_VertexAttrib4fvNV( GLuint index, const GLfloat *v ); + +extern void GLAPIENTRY _mesa_noop_End( void ); +extern void GLAPIENTRY _mesa_noop_Begin( GLenum mode ); +extern void GLAPIENTRY _mesa_noop_EvalPoint2( GLint a, GLint b ); +extern void GLAPIENTRY _mesa_noop_EvalPoint1( GLint a ); +extern void GLAPIENTRY _mesa_noop_EvalCoord2fv( const GLfloat *v ); +extern void GLAPIENTRY _mesa_noop_EvalCoord2f( GLfloat a, GLfloat b ); +extern void GLAPIENTRY _mesa_noop_EvalCoord1fv( const GLfloat *v ); +extern void GLAPIENTRY _mesa_noop_EvalCoord1f( GLfloat a ); + +extern void _mesa_noop_vtxfmt_init( GLvertexformat *vfmt ); + +extern void GLAPIENTRY _mesa_noop_EvalMesh2( GLenum mode, GLint i1, GLint i2, + GLint j1, GLint j2 ); + +extern void GLAPIENTRY _mesa_noop_EvalMesh1( GLenum mode, GLint i1, GLint i2 ); + + +/* Not strictly a noop -- translate Rectf down to Begin/End and + * vertices. Closer to the loopback operations, but doesn't meet the + * criteria for inclusion there (cannot be used in the Save table). + */ +extern void GLAPIENTRY _mesa_noop_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 ); + + +extern void GLAPIENTRY _mesa_noop_DrawArrays(GLenum mode, GLint start, GLsizei count); +extern void GLAPIENTRY _mesa_noop_DrawElements(GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices); +extern void GLAPIENTRY _mesa_noop_DrawRangeElements(GLenum mode, + GLuint start, GLuint end, + GLsizei count, GLenum type, + const GLvoid *indices); + + + +#endif diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c new file mode 100644 index 0000000..d1c8f42 --- /dev/null +++ b/src/mesa/main/api_validate.c @@ -0,0 +1,238 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "api_validate.h" +#include "context.h" +#include "imports.h" +#include "mtypes.h" +#include "state.h" + + +GLboolean +_mesa_validate_DrawElements(GLcontext *ctx, + GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices) +{ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (count <= 0) { + if (count < 0) + _mesa_error(ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); + return GL_FALSE; + } + + if (mode > GL_POLYGON) { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(mode)" ); + return GL_FALSE; + } + + if (type != GL_UNSIGNED_INT && + type != GL_UNSIGNED_BYTE && + type != GL_UNSIGNED_SHORT) + { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); + return GL_FALSE; + } + + if (ctx->NewState) + _mesa_update_state(ctx); + + /* Always need vertex positions */ + if (!ctx->Array.Vertex.Enabled + && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled)) + return GL_FALSE; + + /* Vertex buffer object tests */ + if (ctx->Array.ElementArrayBufferObj->Name) { + GLuint indexBytes; + + /* use indices in the buffer object */ + if (!ctx->Array.ElementArrayBufferObj->Data) { + _mesa_warning(ctx, "DrawElements with empty vertex elements buffer!"); + return GL_FALSE; + } + + /* make sure count doesn't go outside buffer bounds */ + if (type == GL_UNSIGNED_INT) { + indexBytes = count * sizeof(GLuint); + } + else if (type == GL_UNSIGNED_BYTE) { + indexBytes = count * sizeof(GLubyte); + } + else { + ASSERT(type == GL_UNSIGNED_SHORT); + indexBytes = count * sizeof(GLushort); + } + + if ((GLubyte *) indices + indexBytes > + ctx->Array.ElementArrayBufferObj->Data + + ctx->Array.ElementArrayBufferObj->Size) { + _mesa_warning(ctx, "glDrawElements index out of buffer bounds"); + return GL_FALSE; + } + + /* Actual address is the sum of pointers. Indices may be used below. */ + if (ctx->Const.CheckArrayBounds) { + indices = (const GLvoid *) + ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data, + (const GLubyte *) indices); + } + } + + if (ctx->Const.CheckArrayBounds) { + /* find max array index */ + GLuint max = 0; + GLint i; + if (type == GL_UNSIGNED_INT) { + for (i = 0; i < count; i++) + if (((GLuint *) indices)[i] > max) + max = ((GLuint *) indices)[i]; + } + else if (type == GL_UNSIGNED_SHORT) { + for (i = 0; i < count; i++) + if (((GLushort *) indices)[i] > max) + max = ((GLushort *) indices)[i]; + } + else { + ASSERT(type == GL_UNSIGNED_BYTE); + for (i = 0; i < count; i++) + if (((GLubyte *) indices)[i] > max) + max = ((GLubyte *) indices)[i]; + } + if (max >= ctx->Array._MaxElement) { + /* the max element is out of bounds of one or more enabled arrays */ + return GL_FALSE; + } + } + + return GL_TRUE; +} + + +GLboolean +_mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, + GLuint start, GLuint end, + GLsizei count, GLenum type, + const GLvoid *indices) +{ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (count <= 0) { + if (count < 0) + _mesa_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements(count)" ); + return GL_FALSE; + } + + if (mode > GL_POLYGON) { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(mode)" ); + return GL_FALSE; + } + + if (end < start) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements(end<start)"); + return GL_FALSE; + } + + if (type != GL_UNSIGNED_INT && + type != GL_UNSIGNED_BYTE && + type != GL_UNSIGNED_SHORT) { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(type)" ); + return GL_FALSE; + } + + if (ctx->NewState) + _mesa_update_state(ctx); + + /* Always need vertex positions */ + if (!ctx->Array.Vertex.Enabled + && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled)) + return GL_FALSE; + + if (ctx->Const.CheckArrayBounds) { + /* Find max array index. + * We don't trust the user's start and end values. + */ + GLuint max = 0; + GLint i; + if (type == GL_UNSIGNED_INT) { + for (i = 0; i < count; i++) + if (((GLuint *) indices)[i] > max) + max = ((GLuint *) indices)[i]; + } + else if (type == GL_UNSIGNED_SHORT) { + for (i = 0; i < count; i++) + if (((GLushort *) indices)[i] > max) + max = ((GLushort *) indices)[i]; + } + else { + ASSERT(type == GL_UNSIGNED_BYTE); + for (i = 0; i < count; i++) + if (((GLubyte *) indices)[i] > max) + max = ((GLubyte *) indices)[i]; + } + if (max >= ctx->Array._MaxElement) { + /* the max element is out of bounds of one or more enabled arrays */ + return GL_FALSE; + } + } + + return GL_TRUE; +} + + +/** + * Called from the tnl module to error check the function parameters and + * verify that we really can draw something. + */ +GLboolean +_mesa_validate_DrawArrays(GLcontext *ctx, + GLenum mode, GLint start, GLsizei count) +{ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (count < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDrawArrays(count)" ); + return GL_FALSE; + } + + if (mode > GL_POLYGON) { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); + return GL_FALSE; + } + + if (ctx->NewState) + _mesa_update_state(ctx); + + /* Always need vertex positions */ + if (!ctx->Array.Vertex.Enabled && !ctx->Array.VertexAttrib[0].Enabled) + return GL_FALSE; + + if (ctx->Const.CheckArrayBounds) { + if (start + count > (GLint) ctx->Array._MaxElement) + return GL_FALSE; + } + + return GL_TRUE; +} diff --git a/src/mesa/main/api_validate.h b/src/mesa/main/api_validate.h new file mode 100644 index 0000000..10f0c34 --- /dev/null +++ b/src/mesa/main/api_validate.h @@ -0,0 +1,49 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef API_VALIDATE_H +#define API_VALIDATE_H + + +#include "mtypes.h" + +extern GLboolean +_mesa_validate_DrawArrays(GLcontext *ctx, + GLenum mode, GLint start, GLsizei count); + +extern GLboolean +_mesa_validate_DrawElements(GLcontext *ctx, + GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices); + +extern GLboolean +_mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, + GLuint start, GLuint end, + GLsizei count, GLenum type, + const GLvoid *indices); + + +#endif diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c new file mode 100644 index 0000000..d027df6 --- /dev/null +++ b/src/mesa/main/attrib.c @@ -0,0 +1,1310 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "imports.h" +#include "accum.h" +#include "attrib.h" +#include "blend.h" +#include "buffers.h" +#include "bufferobj.h" +#include "colormac.h" +#include "colortab.h" +#include "context.h" +#include "depth.h" +#include "enable.h" +#include "enums.h" +#include "fog.h" +#include "hint.h" +#include "light.h" +#include "lines.h" +#include "matrix.h" +#include "points.h" +#include "polygon.h" +#include "simple_list.h" +#include "stencil.h" +#include "texobj.h" +#include "texstate.h" +#include "mtypes.h" +#include "math/m_xform.h" + + +/* + * Allocate a new attribute state node. These nodes have a + * "kind" value and a pointer to a struct of state data. + */ +static struct gl_attrib_node * +new_attrib_node( GLbitfield kind ) +{ + struct gl_attrib_node *an = MALLOC_STRUCT(gl_attrib_node); + if (an) { + an->kind = kind; + } + return an; +} + + +void GLAPIENTRY +_mesa_PushAttrib(GLbitfield mask) +{ + struct gl_attrib_node *newnode; + struct gl_attrib_node *head; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glPushAttrib %x\n", (int) mask); + + if (ctx->AttribStackDepth >= MAX_ATTRIB_STACK_DEPTH) { + _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushAttrib" ); + return; + } + + /* Build linked list of attribute nodes which save all attribute */ + /* groups specified by the mask. */ + head = NULL; + + if (mask & GL_ACCUM_BUFFER_BIT) { + struct gl_accum_attrib *attr; + attr = MALLOC_STRUCT( gl_accum_attrib ); + MEMCPY( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) ); + newnode = new_attrib_node( GL_ACCUM_BUFFER_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_COLOR_BUFFER_BIT) { + struct gl_colorbuffer_attrib *attr; + attr = MALLOC_STRUCT( gl_colorbuffer_attrib ); + MEMCPY( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) ); + newnode = new_attrib_node( GL_COLOR_BUFFER_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_CURRENT_BIT) { + struct gl_current_attrib *attr; + FLUSH_CURRENT( ctx, 0 ); + attr = MALLOC_STRUCT( gl_current_attrib ); + MEMCPY( attr, &ctx->Current, sizeof(struct gl_current_attrib) ); + newnode = new_attrib_node( GL_CURRENT_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_DEPTH_BUFFER_BIT) { + struct gl_depthbuffer_attrib *attr; + attr = MALLOC_STRUCT( gl_depthbuffer_attrib ); + MEMCPY( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) ); + newnode = new_attrib_node( GL_DEPTH_BUFFER_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_ENABLE_BIT) { + struct gl_enable_attrib *attr; + GLuint i; + attr = MALLOC_STRUCT( gl_enable_attrib ); + /* Copy enable flags from all other attributes into the enable struct. */ + attr->AlphaTest = ctx->Color.AlphaEnabled; + attr->AutoNormal = ctx->Eval.AutoNormal; + attr->Blend = ctx->Color.BlendEnabled; + attr->ClipPlanes = ctx->Transform.ClipPlanesEnabled; + attr->ColorMaterial = ctx->Light.ColorMaterialEnabled; + attr->ColorTable = ctx->Pixel.ColorTableEnabled; + attr->PostColorMatrixColorTable = ctx->Pixel.PostColorMatrixColorTableEnabled; + attr->PostConvolutionColorTable = ctx->Pixel.PostConvolutionColorTableEnabled; + attr->Convolution1D = ctx->Pixel.Convolution1DEnabled; + attr->Convolution2D = ctx->Pixel.Convolution2DEnabled; + attr->Separable2D = ctx->Pixel.Separable2DEnabled; + attr->CullFace = ctx->Polygon.CullFlag; + attr->DepthTest = ctx->Depth.Test; + attr->Dither = ctx->Color.DitherFlag; + attr->Fog = ctx->Fog.Enabled; + for (i=0;i<MAX_LIGHTS;i++) { + attr->Light[i] = ctx->Light.Light[i].Enabled; + } + attr->Lighting = ctx->Light.Enabled; + attr->LineSmooth = ctx->Line.SmoothFlag; + attr->LineStipple = ctx->Line.StippleFlag; + attr->Histogram = ctx->Pixel.HistogramEnabled; + attr->MinMax = ctx->Pixel.MinMaxEnabled; + attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled; + attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled; + attr->Map1Color4 = ctx->Eval.Map1Color4; + attr->Map1Index = ctx->Eval.Map1Index; + attr->Map1Normal = ctx->Eval.Map1Normal; + attr->Map1TextureCoord1 = ctx->Eval.Map1TextureCoord1; + attr->Map1TextureCoord2 = ctx->Eval.Map1TextureCoord2; + attr->Map1TextureCoord3 = ctx->Eval.Map1TextureCoord3; + attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4; + attr->Map1Vertex3 = ctx->Eval.Map1Vertex3; + attr->Map1Vertex4 = ctx->Eval.Map1Vertex4; + MEMCPY(attr->Map1Attrib, ctx->Eval.Map1Attrib, sizeof(ctx->Eval.Map1Attrib)); + attr->Map2Color4 = ctx->Eval.Map2Color4; + attr->Map2Index = ctx->Eval.Map2Index; + attr->Map2Normal = ctx->Eval.Map2Normal; + attr->Map2TextureCoord1 = ctx->Eval.Map2TextureCoord1; + attr->Map2TextureCoord2 = ctx->Eval.Map2TextureCoord2; + attr->Map2TextureCoord3 = ctx->Eval.Map2TextureCoord3; + attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4; + attr->Map2Vertex3 = ctx->Eval.Map2Vertex3; + attr->Map2Vertex4 = ctx->Eval.Map2Vertex4; + MEMCPY(attr->Map2Attrib, ctx->Eval.Map2Attrib, sizeof(ctx->Eval.Map2Attrib)); + attr->Normalize = ctx->Transform.Normalize; + attr->RasterPositionUnclipped = ctx->Transform.RasterPositionUnclipped; + attr->PixelTexture = ctx->Pixel.PixelTextureEnabled; + attr->PointSmooth = ctx->Point.SmoothFlag; + attr->PointSprite = ctx->Point.PointSprite; + attr->PolygonOffsetPoint = ctx->Polygon.OffsetPoint; + attr->PolygonOffsetLine = ctx->Polygon.OffsetLine; + attr->PolygonOffsetFill = ctx->Polygon.OffsetFill; + attr->PolygonSmooth = ctx->Polygon.SmoothFlag; + attr->PolygonStipple = ctx->Polygon.StippleFlag; + attr->RescaleNormals = ctx->Transform.RescaleNormals; + attr->Scissor = ctx->Scissor.Enabled; + attr->Stencil = ctx->Stencil.Enabled; + attr->MultisampleEnabled = ctx->Multisample.Enabled; + attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage; + attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne; + attr->SampleCoverage = ctx->Multisample.SampleCoverage; + attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert; + for (i=0; i<MAX_TEXTURE_UNITS; i++) { + attr->Texture[i] = ctx->Texture.Unit[i].Enabled; + attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled; + attr->TextureColorTable[i] = ctx->Texture.Unit[i].ColorTableEnabled; + } + /* GL_NV_vertex_program */ + attr->VertexProgram = ctx->VertexProgram.Enabled; + attr->VertexProgramPointSize = ctx->VertexProgram.PointSizeEnabled; + attr->VertexProgramTwoSide = ctx->VertexProgram.TwoSideEnabled; + newnode = new_attrib_node( GL_ENABLE_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_EVAL_BIT) { + struct gl_eval_attrib *attr; + attr = MALLOC_STRUCT( gl_eval_attrib ); + MEMCPY( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) ); + newnode = new_attrib_node( GL_EVAL_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_FOG_BIT) { + struct gl_fog_attrib *attr; + attr = MALLOC_STRUCT( gl_fog_attrib ); + MEMCPY( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) ); + newnode = new_attrib_node( GL_FOG_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_HINT_BIT) { + struct gl_hint_attrib *attr; + attr = MALLOC_STRUCT( gl_hint_attrib ); + MEMCPY( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) ); + newnode = new_attrib_node( GL_HINT_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_LIGHTING_BIT) { + struct gl_light_attrib *attr; + FLUSH_CURRENT(ctx, 0); /* flush material changes */ + attr = MALLOC_STRUCT( gl_light_attrib ); + MEMCPY( attr, &ctx->Light, sizeof(struct gl_light_attrib) ); + newnode = new_attrib_node( GL_LIGHTING_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_LINE_BIT) { + struct gl_line_attrib *attr; + attr = MALLOC_STRUCT( gl_line_attrib ); + MEMCPY( attr, &ctx->Line, sizeof(struct gl_line_attrib) ); + newnode = new_attrib_node( GL_LINE_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_LIST_BIT) { + struct gl_list_attrib *attr; + attr = MALLOC_STRUCT( gl_list_attrib ); + MEMCPY( attr, &ctx->List, sizeof(struct gl_list_attrib) ); + newnode = new_attrib_node( GL_LIST_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_PIXEL_MODE_BIT) { + struct gl_pixel_attrib *attr; + attr = MALLOC_STRUCT( gl_pixel_attrib ); + MEMCPY( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) ); + newnode = new_attrib_node( GL_PIXEL_MODE_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_POINT_BIT) { + struct gl_point_attrib *attr; + attr = MALLOC_STRUCT( gl_point_attrib ); + MEMCPY( attr, &ctx->Point, sizeof(struct gl_point_attrib) ); + newnode = new_attrib_node( GL_POINT_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_POLYGON_BIT) { + struct gl_polygon_attrib *attr; + attr = MALLOC_STRUCT( gl_polygon_attrib ); + MEMCPY( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) ); + newnode = new_attrib_node( GL_POLYGON_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_POLYGON_STIPPLE_BIT) { + GLuint *stipple; + stipple = (GLuint *) MALLOC( 32*sizeof(GLuint) ); + MEMCPY( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) ); + newnode = new_attrib_node( GL_POLYGON_STIPPLE_BIT ); + newnode->data = stipple; + newnode->next = head; + head = newnode; + } + + if (mask & GL_SCISSOR_BIT) { + struct gl_scissor_attrib *attr; + attr = MALLOC_STRUCT( gl_scissor_attrib ); + MEMCPY( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) ); + newnode = new_attrib_node( GL_SCISSOR_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_STENCIL_BUFFER_BIT) { + struct gl_stencil_attrib *attr; + attr = MALLOC_STRUCT( gl_stencil_attrib ); + MEMCPY( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) ); + newnode = new_attrib_node( GL_STENCIL_BUFFER_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_TEXTURE_BIT) { + struct gl_texture_attrib *attr; + GLuint u; + /* Bump the texture object reference counts so that they don't + * inadvertantly get deleted. + */ + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + ctx->Texture.Unit[u].Current1D->RefCount++; + ctx->Texture.Unit[u].Current2D->RefCount++; + ctx->Texture.Unit[u].Current3D->RefCount++; + ctx->Texture.Unit[u].CurrentCubeMap->RefCount++; + ctx->Texture.Unit[u].CurrentRect->RefCount++; + } + attr = MALLOC_STRUCT( gl_texture_attrib ); + MEMCPY( attr, &ctx->Texture, sizeof(struct gl_texture_attrib) ); + /* copy state of the currently bound texture objects */ + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + _mesa_copy_texture_object(&attr->Unit[u].Saved1D, + attr->Unit[u].Current1D); + _mesa_copy_texture_object(&attr->Unit[u].Saved2D, + attr->Unit[u].Current2D); + _mesa_copy_texture_object(&attr->Unit[u].Saved3D, + attr->Unit[u].Current3D); + _mesa_copy_texture_object(&attr->Unit[u].SavedCubeMap, + attr->Unit[u].CurrentCubeMap); + _mesa_copy_texture_object(&attr->Unit[u].SavedRect, + attr->Unit[u].CurrentRect); + } + newnode = new_attrib_node( GL_TEXTURE_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_TRANSFORM_BIT) { + struct gl_transform_attrib *attr; + attr = MALLOC_STRUCT( gl_transform_attrib ); + MEMCPY( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) ); + newnode = new_attrib_node( GL_TRANSFORM_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + if (mask & GL_VIEWPORT_BIT) { + struct gl_viewport_attrib *attr; + attr = MALLOC_STRUCT( gl_viewport_attrib ); + MEMCPY( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) ); + newnode = new_attrib_node( GL_VIEWPORT_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + /* GL_ARB_multisample */ + if (mask & GL_MULTISAMPLE_BIT_ARB) { + struct gl_multisample_attrib *attr; + attr = MALLOC_STRUCT( gl_multisample_attrib ); + MEMCPY( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) ); + newnode = new_attrib_node( GL_MULTISAMPLE_BIT_ARB ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + + ctx->AttribStack[ctx->AttribStackDepth] = head; + ctx->AttribStackDepth++; +} + + + +static void +pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable) +{ + GLuint i; + +#define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \ + if ((VALUE) != (NEWVALUE)) { \ + _mesa_set_enable( ctx, ENUM, (NEWVALUE) ); \ + } + + TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST); + TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND); + + for (i=0;i<MAX_CLIP_PLANES;i++) { + const GLuint mask = 1 << i; + if ((ctx->Transform.ClipPlanesEnabled & mask) != (enable->ClipPlanes & mask)) + _mesa_set_enable(ctx, (GLenum) (GL_CLIP_PLANE0 + i), + (GLboolean) ((enable->ClipPlanes & mask) ? GL_TRUE : GL_FALSE)); + } + + TEST_AND_UPDATE(ctx->Light.ColorMaterialEnabled, enable->ColorMaterial, + GL_COLOR_MATERIAL); + TEST_AND_UPDATE(ctx->Pixel.ColorTableEnabled, enable->ColorTable, + GL_COLOR_TABLE); + TEST_AND_UPDATE(ctx->Pixel.PostColorMatrixColorTableEnabled, + enable->PostColorMatrixColorTable, + GL_POST_COLOR_MATRIX_COLOR_TABLE); + TEST_AND_UPDATE(ctx->Pixel.PostConvolutionColorTableEnabled, + enable->PostConvolutionColorTable, + GL_POST_CONVOLUTION_COLOR_TABLE); + TEST_AND_UPDATE(ctx->Polygon.CullFlag, enable->CullFace, GL_CULL_FACE); + TEST_AND_UPDATE(ctx->Depth.Test, enable->DepthTest, GL_DEPTH_TEST); + TEST_AND_UPDATE(ctx->Color.DitherFlag, enable->Dither, GL_DITHER); + TEST_AND_UPDATE(ctx->Pixel.Convolution1DEnabled, enable->Convolution1D, + GL_CONVOLUTION_1D); + TEST_AND_UPDATE(ctx->Pixel.Convolution2DEnabled, enable->Convolution2D, + GL_CONVOLUTION_2D); + TEST_AND_UPDATE(ctx->Pixel.Separable2DEnabled, enable->Separable2D, + GL_SEPARABLE_2D); + TEST_AND_UPDATE(ctx->Fog.Enabled, enable->Fog, GL_FOG); + TEST_AND_UPDATE(ctx->Light.Enabled, enable->Lighting, GL_LIGHTING); + TEST_AND_UPDATE(ctx->Line.SmoothFlag, enable->LineSmooth, GL_LINE_SMOOTH); + TEST_AND_UPDATE(ctx->Line.StippleFlag, enable->LineStipple, + GL_LINE_STIPPLE); + TEST_AND_UPDATE(ctx->Color.IndexLogicOpEnabled, enable->IndexLogicOp, + GL_INDEX_LOGIC_OP); + TEST_AND_UPDATE(ctx->Color.ColorLogicOpEnabled, enable->ColorLogicOp, + GL_COLOR_LOGIC_OP); + + TEST_AND_UPDATE(ctx->Eval.Map1Color4, enable->Map1Color4, GL_MAP1_COLOR_4); + TEST_AND_UPDATE(ctx->Eval.Map1Index, enable->Map1Index, GL_MAP1_INDEX); + TEST_AND_UPDATE(ctx->Eval.Map1Normal, enable->Map1Normal, GL_MAP1_NORMAL); + TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord1, enable->Map1TextureCoord1, + GL_MAP1_TEXTURE_COORD_1); + TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord2, enable->Map1TextureCoord2, + GL_MAP1_TEXTURE_COORD_2); + TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord3, enable->Map1TextureCoord3, + GL_MAP1_TEXTURE_COORD_3); + TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord4, enable->Map1TextureCoord4, + GL_MAP1_TEXTURE_COORD_4); + TEST_AND_UPDATE(ctx->Eval.Map1Vertex3, enable->Map1Vertex3, + GL_MAP1_VERTEX_3); + TEST_AND_UPDATE(ctx->Eval.Map1Vertex4, enable->Map1Vertex4, + GL_MAP1_VERTEX_4); + for (i = 0; i < 16; i++) { + TEST_AND_UPDATE(ctx->Eval.Map1Attrib[i], enable->Map1Attrib[i], + GL_MAP1_VERTEX_ATTRIB0_4_NV + i); + } + + TEST_AND_UPDATE(ctx->Eval.Map2Color4, enable->Map2Color4, GL_MAP2_COLOR_4); + TEST_AND_UPDATE(ctx->Eval.Map2Index, enable->Map2Index, GL_MAP2_INDEX); + TEST_AND_UPDATE(ctx->Eval.Map2Normal, enable->Map2Normal, GL_MAP2_NORMAL); + TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord1, enable->Map2TextureCoord1, + GL_MAP2_TEXTURE_COORD_1); + TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord2, enable->Map2TextureCoord2, + GL_MAP2_TEXTURE_COORD_2); + TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord3, enable->Map2TextureCoord3, + GL_MAP2_TEXTURE_COORD_3); + TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord4, enable->Map2TextureCoord4, + GL_MAP2_TEXTURE_COORD_4); + TEST_AND_UPDATE(ctx->Eval.Map2Vertex3, enable->Map2Vertex3, + GL_MAP2_VERTEX_3); + TEST_AND_UPDATE(ctx->Eval.Map2Vertex4, enable->Map2Vertex4, + GL_MAP2_VERTEX_4); + for (i = 0; i < 16; i++) { + TEST_AND_UPDATE(ctx->Eval.Map2Attrib[i], enable->Map2Attrib[i], + GL_MAP2_VERTEX_ATTRIB0_4_NV + i); + } + + TEST_AND_UPDATE(ctx->Eval.AutoNormal, enable->AutoNormal, GL_AUTO_NORMAL); + TEST_AND_UPDATE(ctx->Transform.Normalize, enable->Normalize, GL_NORMALIZE); + TEST_AND_UPDATE(ctx->Transform.RescaleNormals, enable->RescaleNormals, + GL_RESCALE_NORMAL_EXT); + TEST_AND_UPDATE(ctx->Transform.RasterPositionUnclipped, + enable->RasterPositionUnclipped, + GL_RASTER_POSITION_UNCLIPPED_IBM); + TEST_AND_UPDATE(ctx->Pixel.PixelTextureEnabled, enable->PixelTexture, + GL_POINT_SMOOTH); + TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth, + GL_POINT_SMOOTH); + if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) { + TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite, + GL_POINT_SPRITE_NV); + } + TEST_AND_UPDATE(ctx->Polygon.OffsetPoint, enable->PolygonOffsetPoint, + GL_POLYGON_OFFSET_POINT); + TEST_AND_UPDATE(ctx->Polygon.OffsetLine, enable->PolygonOffsetLine, + GL_POLYGON_OFFSET_LINE); + TEST_AND_UPDATE(ctx->Polygon.OffsetFill, enable->PolygonOffsetFill, + GL_POLYGON_OFFSET_FILL); + TEST_AND_UPDATE(ctx->Polygon.SmoothFlag, enable->PolygonSmooth, + GL_POLYGON_SMOOTH); + TEST_AND_UPDATE(ctx->Polygon.StippleFlag, enable->PolygonStipple, + GL_POLYGON_STIPPLE); + TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST); + TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST); + /* XXX two-sided stencil */ + TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled, + GL_MULTISAMPLE_ARB); + TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage, + enable->SampleAlphaToCoverage, + GL_SAMPLE_ALPHA_TO_COVERAGE_ARB); + TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne, + enable->SampleAlphaToOne, + GL_SAMPLE_ALPHA_TO_ONE_ARB); + TEST_AND_UPDATE(ctx->Multisample.SampleCoverage, + enable->SampleCoverage, + GL_SAMPLE_COVERAGE_ARB); + TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert, + enable->SampleCoverageInvert, + GL_SAMPLE_COVERAGE_INVERT_ARB); + /* GL_NV_vertex_program */ + TEST_AND_UPDATE(ctx->VertexProgram.Enabled, + enable->VertexProgram, + GL_VERTEX_PROGRAM_NV); + TEST_AND_UPDATE(ctx->VertexProgram.PointSizeEnabled, + enable->VertexProgramPointSize, + GL_VERTEX_PROGRAM_POINT_SIZE_NV); + TEST_AND_UPDATE(ctx->VertexProgram.TwoSideEnabled, + enable->VertexProgramTwoSide, + GL_VERTEX_PROGRAM_TWO_SIDE_NV); + +#undef TEST_AND_UPDATE + + /* texture unit enables */ + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + if (ctx->Texture.Unit[i].Enabled != enable->Texture[i]) { + ctx->Texture.Unit[i].Enabled = enable->Texture[i]; + if (ctx->Driver.Enable) { + if (ctx->Driver.ActiveTexture) { + (*ctx->Driver.ActiveTexture)(ctx, i); + } + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_1D, + (GLboolean) (enable->Texture[i] & TEXTURE_1D_BIT) ); + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D, + (GLboolean) (enable->Texture[i] & TEXTURE_2D_BIT) ); + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D, + (GLboolean) (enable->Texture[i] & TEXTURE_3D_BIT) ); + if (ctx->Extensions.ARB_texture_cube_map) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_CUBE_MAP_ARB, + (GLboolean) (enable->Texture[i] & TEXTURE_CUBE_BIT) ); + if (ctx->Extensions.NV_texture_rectangle) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_RECTANGLE_NV, + (GLboolean) (enable->Texture[i] & TEXTURE_RECT_BIT) ); + } + } + + if (ctx->Texture.Unit[i].TexGenEnabled != enable->TexGen[i]) { + ctx->Texture.Unit[i].TexGenEnabled = enable->TexGen[i]; + if (ctx->Driver.Enable) { + if (ctx->Driver.ActiveTexture) { + (*ctx->Driver.ActiveTexture)(ctx, i); + } + if (enable->TexGen[i] & S_BIT) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_TRUE); + else + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_FALSE); + if (enable->TexGen[i] & T_BIT) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_TRUE); + else + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_FALSE); + if (enable->TexGen[i] & R_BIT) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_TRUE); + else + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_FALSE); + if (enable->TexGen[i] & Q_BIT) + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_TRUE); + else + (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_FALSE); + } + } + + /* GL_SGI_texture_color_table */ + ctx->Texture.Unit[i].ColorTableEnabled = enable->TextureColorTable[i]; + } + + if (ctx->Driver.ActiveTexture) { + (*ctx->Driver.ActiveTexture)(ctx, ctx->Texture.CurrentUnit); + } +} + + +static void +pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib) +{ + GLuint u; + + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + const struct gl_texture_unit *unit = &texAttrib->Unit[u]; + GLuint i; + + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u); + _mesa_set_enable(ctx, GL_TEXTURE_1D, + (GLboolean) (unit->Enabled & TEXTURE_1D_BIT ? GL_TRUE : GL_FALSE)); + _mesa_set_enable(ctx, GL_TEXTURE_2D, + (GLboolean) (unit->Enabled & TEXTURE_2D_BIT ? GL_TRUE : GL_FALSE)); + _mesa_set_enable(ctx, GL_TEXTURE_3D, + (GLboolean) (unit->Enabled & TEXTURE_3D_BIT ? GL_TRUE : GL_FALSE)); + if (ctx->Extensions.ARB_texture_cube_map) { + _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB, + (GLboolean) (unit->Enabled & TEXTURE_CUBE_BIT ? GL_TRUE : GL_FALSE)); + } + if (ctx->Extensions.NV_texture_rectangle) { + _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV, + (GLboolean) (unit->Enabled & TEXTURE_RECT_BIT ? GL_TRUE : GL_FALSE)); + } + if (ctx->Extensions.SGI_texture_color_table) { + _mesa_set_enable(ctx, GL_TEXTURE_COLOR_TABLE_SGI, + unit->ColorTableEnabled); + } + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode); + _mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor); + _mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenModeS); + _mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenModeT); + _mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenModeR); + _mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenModeQ); + _mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->ObjectPlaneS); + _mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->ObjectPlaneT); + _mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->ObjectPlaneR); + _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->ObjectPlaneQ); + _mesa_TexGenfv(GL_S, GL_EYE_PLANE, unit->EyePlaneS); + _mesa_TexGenfv(GL_T, GL_EYE_PLANE, unit->EyePlaneT); + _mesa_TexGenfv(GL_R, GL_EYE_PLANE, unit->EyePlaneR); + _mesa_TexGenfv(GL_Q, GL_EYE_PLANE, unit->EyePlaneQ); + _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, + ((unit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE)); + _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, + ((unit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE)); + _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, + ((unit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE)); + _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, + ((unit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE)); + if (ctx->Extensions.EXT_texture_lod_bias) { + _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, + GL_TEXTURE_LOD_BIAS_EXT, unit->LodBias); + } + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, + unit->Combine.ModeRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, + unit->Combine.ModeA); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, + unit->Combine.SourceRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, + unit->Combine.SourceRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, + unit->Combine.SourceRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, + unit->Combine.SourceA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, + unit->Combine.SourceA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA, + unit->Combine.SourceA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, + unit->Combine.OperandRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, + unit->Combine.OperandRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, + unit->Combine.OperandRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, + unit->Combine.OperandA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, + unit->Combine.OperandA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, + unit->Combine.OperandA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE, + 1 << unit->Combine.ScaleShiftRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, + 1 << unit->Combine.ScaleShiftA); + } + + /* Restore texture object state */ + for (i = 0; i < NUM_TEXTURE_TARGETS; i++) { + GLenum target = 0; + const struct gl_texture_object *obj = NULL; + GLfloat bordColor[4]; + + switch (i) { + case 0: + target = GL_TEXTURE_1D; + obj = &unit->Saved1D; + break; + case 1: + target = GL_TEXTURE_2D; + obj = &unit->Saved2D; + break; + case 2: + target = GL_TEXTURE_3D; + obj = &unit->Saved3D; + break; + case 3: + if (!ctx->Extensions.ARB_texture_cube_map) + continue; + target = GL_TEXTURE_CUBE_MAP_ARB; + obj = &unit->SavedCubeMap; + break; + case 4: + if (!ctx->Extensions.NV_texture_rectangle) + continue; + target = GL_TEXTURE_RECTANGLE_NV; + obj = &unit->SavedRect; + break; + default: + ; /* silence warnings */ + } + + _mesa_BindTexture(target, obj->Name); + + bordColor[0] = CHAN_TO_FLOAT(obj->BorderColor[0]); + bordColor[1] = CHAN_TO_FLOAT(obj->BorderColor[1]); + bordColor[2] = CHAN_TO_FLOAT(obj->BorderColor[2]); + bordColor[3] = CHAN_TO_FLOAT(obj->BorderColor[3]); + + _mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority); + _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, bordColor); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR); + _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, obj->MinFilter); + _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, obj->MagFilter); + _mesa_TexParameterf(target, GL_TEXTURE_MIN_LOD, obj->MinLod); + _mesa_TexParameterf(target, GL_TEXTURE_MAX_LOD, obj->MaxLod); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, obj->BaseLevel); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, obj->MaxLevel); + if (ctx->Extensions.EXT_texture_filter_anisotropic) { + _mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, + obj->MaxAnisotropy); + } + if (ctx->Extensions.SGIX_shadow) { + _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_SGIX, + obj->CompareFlag); + _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_OPERATOR_SGIX, + obj->CompareOperator); + } + if (ctx->Extensions.SGIX_shadow_ambient) { + _mesa_TexParameterf(target, GL_SHADOW_AMBIENT_SGIX, + obj->ShadowAmbient); + } + + } + } + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + + texAttrib->CurrentUnit); + + /* "un-bump" the texture object reference counts. We did that so they + * wouldn't inadvertantly get deleted while they were still referenced + * inside the attribute state stack. + */ + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + ctx->Texture.Unit[u].Current1D->RefCount--; + ctx->Texture.Unit[u].Current2D->RefCount--; + ctx->Texture.Unit[u].Current3D->RefCount--; + ctx->Texture.Unit[u].CurrentCubeMap->RefCount--; + ctx->Texture.Unit[u].CurrentRect->RefCount--; + } +} + + +/* + * This function is kind of long just because we have to call a lot + * of device driver functions to update device driver state. + * + * XXX As it is now, most of the pop-code calls immediate-mode Mesa functions + * in order to restore GL state. This isn't terribly efficient but it + * ensures that dirty flags and any derived state gets updated correctly. + * We could at least check if the value to restore equals the current value + * and then skip the Mesa call. + */ +void GLAPIENTRY +_mesa_PopAttrib(void) +{ + struct gl_attrib_node *attr, *next; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->AttribStackDepth == 0) { + _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopAttrib" ); + return; + } + + ctx->AttribStackDepth--; + attr = ctx->AttribStack[ctx->AttribStackDepth]; + + while (attr) { + + if (MESA_VERBOSE & VERBOSE_API) { + _mesa_debug(ctx, "glPopAttrib %s\n", + _mesa_lookup_enum_by_nr(attr->kind)); + } + + switch (attr->kind) { + case GL_ACCUM_BUFFER_BIT: + { + const struct gl_accum_attrib *accum; + accum = (const struct gl_accum_attrib *) attr->data; + _mesa_ClearAccum(accum->ClearColor[0], + accum->ClearColor[1], + accum->ClearColor[2], + accum->ClearColor[3]); + } + break; + case GL_COLOR_BUFFER_BIT: + { + const struct gl_colorbuffer_attrib *color; + color = (const struct gl_colorbuffer_attrib *) attr->data; + _mesa_ClearIndex((GLfloat) color->ClearIndex); + _mesa_ClearColor(color->ClearColor[0], + color->ClearColor[1], + color->ClearColor[2], + color->ClearColor[3]); + _mesa_IndexMask(color->IndexMask); + _mesa_ColorMask((GLboolean) (color->ColorMask[0] != 0), + (GLboolean) (color->ColorMask[1] != 0), + (GLboolean) (color->ColorMask[2] != 0), + (GLboolean) (color->ColorMask[3] != 0)); + _mesa_DrawBuffer(color->DrawBuffer); + _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled); + _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef); + _mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled); + _mesa_BlendFuncSeparateEXT(color->BlendSrcRGB, + color->BlendDstRGB, + color->BlendSrcA, + color->BlendDstA); + /* This special case is because glBlendEquationSeparateEXT + * cannot take GL_LOGIC_OP as a parameter. + */ + if ( color->BlendEquationRGB == color->BlendEquationA ) { + _mesa_BlendEquation(color->BlendEquationRGB); + } + else { + _mesa_BlendEquationSeparateEXT(color->BlendEquationRGB, + color->BlendEquationA); + } + _mesa_BlendColor(color->BlendColor[0], + color->BlendColor[1], + color->BlendColor[2], + color->BlendColor[3]); + _mesa_LogicOp(color->LogicOp); + _mesa_set_enable(ctx, GL_COLOR_LOGIC_OP, + color->ColorLogicOpEnabled); + _mesa_set_enable(ctx, GL_INDEX_LOGIC_OP, + color->IndexLogicOpEnabled); + _mesa_set_enable(ctx, GL_DITHER, color->DitherFlag); + } + break; + case GL_CURRENT_BIT: + FLUSH_CURRENT( ctx, 0 ); + MEMCPY( &ctx->Current, attr->data, + sizeof(struct gl_current_attrib) ); + break; + case GL_DEPTH_BUFFER_BIT: + { + const struct gl_depthbuffer_attrib *depth; + depth = (const struct gl_depthbuffer_attrib *) attr->data; + _mesa_DepthFunc(depth->Func); + _mesa_ClearDepth(depth->Clear); + _mesa_set_enable(ctx, GL_DEPTH_TEST, depth->Test); + _mesa_DepthMask(depth->Mask); + if (ctx->Extensions.HP_occlusion_test) + _mesa_set_enable(ctx, GL_OCCLUSION_TEST_HP, + depth->OcclusionTest); + } + break; + case GL_ENABLE_BIT: + { + const struct gl_enable_attrib *enable; + enable = (const struct gl_enable_attrib *) attr->data; + pop_enable_group(ctx, enable); + ctx->NewState |= _NEW_ALL; + } + break; + case GL_EVAL_BIT: + MEMCPY( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) ); + ctx->NewState |= _NEW_EVAL; + break; + case GL_FOG_BIT: + { + const struct gl_fog_attrib *fog; + fog = (const struct gl_fog_attrib *) attr->data; + _mesa_set_enable(ctx, GL_FOG, fog->Enabled); + _mesa_Fogfv(GL_FOG_COLOR, fog->Color); + _mesa_Fogf(GL_FOG_DENSITY, fog->Density); + _mesa_Fogf(GL_FOG_START, fog->Start); + _mesa_Fogf(GL_FOG_END, fog->End); + _mesa_Fogf(GL_FOG_INDEX, fog->Index); + _mesa_Fogi(GL_FOG_MODE, fog->Mode); + } + break; + case GL_HINT_BIT: + { + const struct gl_hint_attrib *hint; + hint = (const struct gl_hint_attrib *) attr->data; + _mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT, + hint->PerspectiveCorrection ); + _mesa_Hint(GL_POINT_SMOOTH_HINT, hint->PointSmooth); + _mesa_Hint(GL_LINE_SMOOTH_HINT, hint->LineSmooth); + _mesa_Hint(GL_POLYGON_SMOOTH_HINT, hint->PolygonSmooth); + _mesa_Hint(GL_FOG_HINT, hint->Fog); + _mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT, + hint->ClipVolumeClipping); + if (ctx->Extensions.ARB_texture_compression) + _mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB, + hint->TextureCompression); + } + break; + case GL_LIGHTING_BIT: + { + GLuint i; + const struct gl_light_attrib *light; + light = (const struct gl_light_attrib *) attr->data; + /* lighting enable */ + _mesa_set_enable(ctx, GL_LIGHTING, light->Enabled); + /* per-light state */ + + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + + for (i = 0; i < MAX_LIGHTS; i++) { + GLenum lgt = (GLenum) (GL_LIGHT0 + i); + const struct gl_light *l = &light->Light[i]; + GLfloat tmp[4]; + _mesa_set_enable(ctx, lgt, l->Enabled); + _mesa_Lightfv( lgt, GL_AMBIENT, l->Ambient ); + _mesa_Lightfv( lgt, GL_DIFFUSE, l->Diffuse ); + _mesa_Lightfv( lgt, GL_SPECULAR, l->Specular ); + TRANSFORM_POINT( tmp, ctx->ModelviewMatrixStack.Top->inv, l->EyePosition ); + _mesa_Lightfv( lgt, GL_POSITION, tmp ); + TRANSFORM_POINT( tmp, ctx->ModelviewMatrixStack.Top->m, l->EyeDirection ); + _mesa_Lightfv( lgt, GL_SPOT_DIRECTION, tmp ); + _mesa_Lightfv( lgt, GL_SPOT_EXPONENT, &l->SpotExponent ); + _mesa_Lightfv( lgt, GL_SPOT_CUTOFF, &l->SpotCutoff ); + _mesa_Lightfv( lgt, GL_CONSTANT_ATTENUATION, + &l->ConstantAttenuation ); + _mesa_Lightfv( lgt, GL_LINEAR_ATTENUATION, + &l->LinearAttenuation ); + _mesa_Lightfv( lgt, GL_QUADRATIC_ATTENUATION, + &l->QuadraticAttenuation ); + } + /* light model */ + _mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT, + light->Model.Ambient); + _mesa_LightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER, + (GLfloat) light->Model.LocalViewer); + _mesa_LightModelf(GL_LIGHT_MODEL_TWO_SIDE, + (GLfloat) light->Model.TwoSide); + _mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL, + (GLfloat) light->Model.ColorControl); + /* materials */ + MEMCPY(&ctx->Light.Material, &light->Material, + sizeof(struct gl_material)); + /* shade model */ + _mesa_ShadeModel(light->ShadeModel); + /* color material */ + _mesa_ColorMaterial(light->ColorMaterialFace, + light->ColorMaterialMode); + _mesa_set_enable(ctx, GL_COLOR_MATERIAL, + light->ColorMaterialEnabled); + } + break; + case GL_LINE_BIT: + { + const struct gl_line_attrib *line; + line = (const struct gl_line_attrib *) attr->data; + _mesa_set_enable(ctx, GL_LINE_SMOOTH, line->SmoothFlag); + _mesa_set_enable(ctx, GL_LINE_STIPPLE, line->StippleFlag); + _mesa_LineStipple(line->StippleFactor, line->StipplePattern); + _mesa_LineWidth(line->Width); + } + break; + case GL_LIST_BIT: + MEMCPY( &ctx->List, attr->data, sizeof(struct gl_list_attrib) ); + break; + case GL_PIXEL_MODE_BIT: + MEMCPY( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) ); + ctx->NewState |= _NEW_PIXEL; + break; + case GL_POINT_BIT: + { + const struct gl_point_attrib *point; + point = (const struct gl_point_attrib *) attr->data; + _mesa_PointSize(point->Size); + _mesa_set_enable(ctx, GL_POINT_SMOOTH, point->SmoothFlag); + if (ctx->Extensions.EXT_point_parameters) { + _mesa_PointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, + point->Params); + _mesa_PointParameterfEXT(GL_POINT_SIZE_MIN_EXT, + point->MinSize); + _mesa_PointParameterfEXT(GL_POINT_SIZE_MAX_EXT, + point->MaxSize); + _mesa_PointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT, + point->Threshold); + } + if (ctx->Extensions.NV_point_sprite + || ctx->Extensions.ARB_point_sprite) { + GLuint u; + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + _mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV, + (GLint) point->CoordReplace[u]); + } + _mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite); + _mesa_PointParameteriNV(GL_POINT_SPRITE_R_MODE_NV, + ctx->Point.SpriteRMode); + _mesa_PointParameterfEXT(GL_POINT_SPRITE_COORD_ORIGIN, + (GLfloat)ctx->Point.SpriteOrigin); + } + } + break; + case GL_POLYGON_BIT: + { + const struct gl_polygon_attrib *polygon; + polygon = (const struct gl_polygon_attrib *) attr->data; + _mesa_CullFace(polygon->CullFaceMode); + _mesa_FrontFace(polygon->FrontFace); + _mesa_PolygonMode(GL_FRONT, polygon->FrontMode); + _mesa_PolygonMode(GL_BACK, polygon->BackMode); + _mesa_PolygonOffset(polygon->OffsetFactor, + polygon->OffsetUnits); + _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, polygon->SmoothFlag); + _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, polygon->StippleFlag); + _mesa_set_enable(ctx, GL_CULL_FACE, polygon->CullFlag); + _mesa_set_enable(ctx, GL_POLYGON_OFFSET_POINT, + polygon->OffsetPoint); + _mesa_set_enable(ctx, GL_POLYGON_OFFSET_LINE, + polygon->OffsetLine); + _mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL, + polygon->OffsetFill); + } + break; + case GL_POLYGON_STIPPLE_BIT: + MEMCPY( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) ); + ctx->NewState |= _NEW_POLYGONSTIPPLE; + if (ctx->Driver.PolygonStipple) + ctx->Driver.PolygonStipple( ctx, (const GLubyte *) attr->data ); + break; + case GL_SCISSOR_BIT: + { + const struct gl_scissor_attrib *scissor; + scissor = (const struct gl_scissor_attrib *) attr->data; + _mesa_Scissor(scissor->X, scissor->Y, + scissor->Width, scissor->Height); + _mesa_set_enable(ctx, GL_SCISSOR_TEST, scissor->Enabled); + } + break; + case GL_STENCIL_BUFFER_BIT: + { + const GLint face = 0; /* XXX stencil two side */ + const struct gl_stencil_attrib *stencil; + stencil = (const struct gl_stencil_attrib *) attr->data; + _mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled); + _mesa_ClearStencil(stencil->Clear); + _mesa_StencilFunc(stencil->Function[face], stencil->Ref[face], + stencil->ValueMask[face]); + _mesa_StencilMask(stencil->WriteMask[face]); + _mesa_StencilOp(stencil->FailFunc[face], + stencil->ZFailFunc[face], + stencil->ZPassFunc[face]); + } + break; + case GL_TRANSFORM_BIT: + { + GLuint i; + const struct gl_transform_attrib *xform; + xform = (const struct gl_transform_attrib *) attr->data; + _mesa_MatrixMode(xform->MatrixMode); + + if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + /* restore clip planes */ + for (i = 0; i < MAX_CLIP_PLANES; i++) { + const GLuint mask = 1 << 1; + const GLfloat *eyePlane = xform->EyeUserPlane[i]; + COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane); + if (xform->ClipPlanesEnabled & mask) { + _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_TRUE); + } + else { + _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_FALSE); + } + if (ctx->Driver.ClipPlane) + ctx->Driver.ClipPlane( ctx, GL_CLIP_PLANE0 + i, eyePlane ); + } + + /* normalize/rescale */ + if (xform->Normalize != ctx->Transform.Normalize) + _mesa_set_enable(ctx, GL_NORMALIZE,ctx->Transform.Normalize); + if (xform->RescaleNormals != ctx->Transform.RescaleNormals) + _mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT, + ctx->Transform.RescaleNormals); + } + break; + case GL_TEXTURE_BIT: + /* Take care of texture object reference counters */ + { + const struct gl_texture_attrib *texture; + texture = (const struct gl_texture_attrib *) attr->data; + pop_texture_group(ctx, texture); + ctx->NewState |= _NEW_TEXTURE; + } + break; + case GL_VIEWPORT_BIT: + { + const struct gl_viewport_attrib *vp; + vp = (const struct gl_viewport_attrib *) attr->data; + _mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height); + _mesa_DepthRange(vp->Near, vp->Far); + } + break; + case GL_MULTISAMPLE_BIT_ARB: + { + const struct gl_multisample_attrib *ms; + ms = (const struct gl_multisample_attrib *) attr->data; + _mesa_SampleCoverageARB(ms->SampleCoverageValue, + ms->SampleCoverageInvert); + } + break; + + default: + _mesa_problem( ctx, "Bad attrib flag in PopAttrib"); + break; + } + + next = attr->next; + FREE( attr->data ); + FREE( attr ); + attr = next; + } +} + + +/** + * Helper for incrementing/decrementing vertex buffer object reference + * counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group. + */ +static void +adjust_buffer_object_ref_counts(struct gl_array_attrib *array, GLint step) +{ + GLuint i; + array->Vertex.BufferObj->RefCount += step; + array->Normal.BufferObj->RefCount += step; + array->Color.BufferObj->RefCount += step; + array->SecondaryColor.BufferObj->RefCount += step; + array->FogCoord.BufferObj->RefCount += step; + array->Index.BufferObj->RefCount += step; + array->EdgeFlag.BufferObj->RefCount += step; + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) + array->TexCoord[i].BufferObj->RefCount += step; + for (i = 0; i < VERT_ATTRIB_MAX; i++) + array->VertexAttrib[i].BufferObj->RefCount += step; + + array->ArrayBufferObj->RefCount += step; + array->ElementArrayBufferObj->RefCount += step; +} + + +#define GL_CLIENT_PACK_BIT (1<<20) +#define GL_CLIENT_UNPACK_BIT (1<<21) + + +void GLAPIENTRY +_mesa_PushClientAttrib(GLbitfield mask) +{ + struct gl_attrib_node *newnode; + struct gl_attrib_node *head; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->ClientAttribStackDepth >= MAX_CLIENT_ATTRIB_STACK_DEPTH) { + _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushClientAttrib" ); + return; + } + + /* Build linked list of attribute nodes which save all attribute */ + /* groups specified by the mask. */ + head = NULL; + + if (mask & GL_CLIENT_PIXEL_STORE_BIT) { + struct gl_pixelstore_attrib *attr; +#if FEATURE_EXT_pixel_buffer_object + ctx->Pack.BufferObj->RefCount++; + ctx->Unpack.BufferObj->RefCount++; +#endif + /* packing attribs */ + attr = MALLOC_STRUCT( gl_pixelstore_attrib ); + MEMCPY( attr, &ctx->Pack, sizeof(struct gl_pixelstore_attrib) ); + newnode = new_attrib_node( GL_CLIENT_PACK_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + /* unpacking attribs */ + attr = MALLOC_STRUCT( gl_pixelstore_attrib ); + MEMCPY( attr, &ctx->Unpack, sizeof(struct gl_pixelstore_attrib) ); + newnode = new_attrib_node( GL_CLIENT_UNPACK_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + } + if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) { + struct gl_array_attrib *attr; + attr = MALLOC_STRUCT( gl_array_attrib ); + MEMCPY( attr, &ctx->Array, sizeof(struct gl_array_attrib) ); + newnode = new_attrib_node( GL_CLIENT_VERTEX_ARRAY_BIT ); + newnode->data = attr; + newnode->next = head; + head = newnode; + /* bump reference counts on buffer objects */ + adjust_buffer_object_ref_counts(&ctx->Array, 1); + } + + ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head; + ctx->ClientAttribStackDepth++; +} + + + + +void GLAPIENTRY +_mesa_PopClientAttrib(void) +{ + struct gl_attrib_node *attr, *next; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->ClientAttribStackDepth == 0) { + _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopClientAttrib" ); + return; + } + + ctx->ClientAttribStackDepth--; + attr = ctx->ClientAttribStack[ctx->ClientAttribStackDepth]; + + while (attr) { + switch (attr->kind) { + case GL_CLIENT_PACK_BIT: +#if FEATURE_EXT_pixel_buffer_object + ctx->Pack.BufferObj->RefCount--; + if (ctx->Pack.BufferObj->RefCount <= 0) { + _mesa_remove_buffer_object( ctx, ctx->Pack.BufferObj ); + (*ctx->Driver.DeleteBuffer)( ctx, ctx->Pack.BufferObj ); + } +#endif + MEMCPY( &ctx->Pack, attr->data, + sizeof(struct gl_pixelstore_attrib) ); + ctx->NewState |= _NEW_PACKUNPACK; + break; + case GL_CLIENT_UNPACK_BIT: +#if FEATURE_EXT_pixel_buffer_object + ctx->Unpack.BufferObj->RefCount--; + if (ctx->Unpack.BufferObj->RefCount <= 0) { + _mesa_remove_buffer_object( ctx, ctx->Unpack.BufferObj ); + (*ctx->Driver.DeleteBuffer)( ctx, ctx->Unpack.BufferObj ); + } +#endif + MEMCPY( &ctx->Unpack, attr->data, + sizeof(struct gl_pixelstore_attrib) ); + ctx->NewState |= _NEW_PACKUNPACK; + break; + case GL_CLIENT_VERTEX_ARRAY_BIT: + adjust_buffer_object_ref_counts(&ctx->Array, -1); + MEMCPY( &ctx->Array, attr->data, + sizeof(struct gl_array_attrib) ); + /* decrement reference counts on buffer objects */ + ctx->NewState |= _NEW_ARRAY; + break; + default: + _mesa_problem( ctx, "Bad attrib flag in PopClientAttrib"); + break; + } + + next = attr->next; + FREE( attr->data ); + FREE( attr ); + attr = next; + } +} + + +void _mesa_init_attrib( GLcontext *ctx ) +{ + /* Renderer and client attribute stacks */ + ctx->AttribStackDepth = 0; + ctx->ClientAttribStackDepth = 0; +} diff --git a/src/mesa/main/attrib.h b/src/mesa/main/attrib.h new file mode 100644 index 0000000..09d7519 --- /dev/null +++ b/src/mesa/main/attrib.h @@ -0,0 +1,68 @@ +/** + * \file attrib.h + * Attribute stacks. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef ATTRIB_H +#define ATTRIB_H + + +#include "mtypes.h" + + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_PushAttrib( GLbitfield mask ); + +extern void GLAPIENTRY +_mesa_PopAttrib( void ); + +extern void GLAPIENTRY +_mesa_PushClientAttrib( GLbitfield mask ); + +extern void GLAPIENTRY +_mesa_PopClientAttrib( void ); + +extern void +_mesa_init_attrib( GLcontext *ctx ); + +#else + +/** No-op */ +#define _mesa_init_attrib( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c new file mode 100644 index 0000000..fde542c --- /dev/null +++ b/src/mesa/main/blend.c @@ -0,0 +1,580 @@ +/** + * \file blend.c + * Blending operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#include "glheader.h" +#include "blend.h" +#include "colormac.h" +#include "context.h" +#include "enums.h" +#include "macros.h" +#include "mtypes.h" + + +/** + * Specify the blending operation. + * + * \param sfactor source factor operator. + * \param dfactor destination factor operator. + * + * \sa glBlendFunc, glBlendFuncSeparateEXT + * + * Swizzles the inputs and calls \c glBlendFuncSeparateEXT. This is done + * using the \c CurrentDispatch table in the context, so this same function + * can be used while compiling display lists. Therefore, there is no need + * for the display list code to save and restore this function. + */ +void GLAPIENTRY +_mesa_BlendFunc( GLenum sfactor, GLenum dfactor ) +{ + GET_CURRENT_CONTEXT(ctx); + + (*ctx->CurrentDispatch->BlendFuncSeparateEXT)( sfactor, dfactor, + sfactor, dfactor ); +} + + +/** + * Process GL_EXT_blend_func_separate(). + * + * \param sfactorRGB RGB source factor operator. + * \param dfactorRGB RGB destination factor operator. + * \param sfactorA alpha source factor operator. + * \param dfactorA alpha destination factor operator. + * + * Verifies the parameters and updates gl_colorbuffer_attrib. + * On a change, flush the vertices and notify the driver via + * dd_function_table::BlendFuncSeparate. + */ +void GLAPIENTRY +_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBlendFuncSeparate %s %s %s %s\n", + _mesa_lookup_enum_by_nr(sfactorRGB), + _mesa_lookup_enum_by_nr(dfactorRGB), + _mesa_lookup_enum_by_nr(sfactorA), + _mesa_lookup_enum_by_nr(dfactorA)); + + switch (sfactorRGB) { + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + if (!ctx->Extensions.NV_blend_square) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (sfactorRGB)"); + return; + } + /* fall-through */ + case GL_ZERO: + case GL_ONE: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_SRC_ALPHA_SATURATE: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (sfactorRGB)"); + return; + } + + switch (dfactorRGB) { + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + if (!ctx->Extensions.NV_blend_square) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (dfactorRGB)"); + return; + } + /* fall-through */ + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (dfactorRGB)"); + return; + } + + switch (sfactorA) { + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + if (!ctx->Extensions.NV_blend_square) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (sfactorA)"); + return; + } + /* fall-through */ + case GL_ZERO: + case GL_ONE: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_SRC_ALPHA_SATURATE: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (sfactorA)"); + return; + } + + switch (dfactorA) { + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + if (!ctx->Extensions.NV_blend_square) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (dfactorA)"); + return; + } + /* fall-through */ + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glBlendFunc or glBlendFuncSeparate (dfactorA)" ); + return; + } + + if (ctx->Color.BlendSrcRGB == sfactorRGB && + ctx->Color.BlendDstRGB == dfactorRGB && + ctx->Color.BlendSrcA == sfactorA && + ctx->Color.BlendDstA == dfactorA) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + + ctx->Color.BlendSrcRGB = sfactorRGB; + ctx->Color.BlendDstRGB = dfactorRGB; + ctx->Color.BlendSrcA = sfactorA; + ctx->Color.BlendDstA = dfactorA; + + if (ctx->Driver.BlendFuncSeparate) { + (*ctx->Driver.BlendFuncSeparate)( ctx, sfactorRGB, dfactorRGB, + sfactorA, dfactorA ); + } +} + + +#if _HAVE_FULL_GL + +static GLboolean +_mesa_validate_blend_equation( GLcontext *ctx, + GLenum mode, GLboolean is_separate ) +{ + switch (mode) { + case GL_FUNC_ADD: + break; + case GL_MIN: + case GL_MAX: + if (!ctx->Extensions.EXT_blend_minmax && + !ctx->Extensions.ARB_imaging) { + return GL_FALSE; + } + break; + /* glBlendEquationSeparate cannot take GL_LOGIC_OP as a parameter. + */ + case GL_LOGIC_OP: + if (!ctx->Extensions.EXT_blend_logic_op || is_separate) { + return GL_FALSE; + } + break; + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + if (!ctx->Extensions.EXT_blend_subtract && + !ctx->Extensions.ARB_imaging) { + return GL_FALSE; + } + break; + default: + return GL_FALSE; + } + + return GL_TRUE; +} + + +/* This is really an extension function! */ +void GLAPIENTRY +_mesa_BlendEquation( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBlendEquation %s\n", + _mesa_lookup_enum_by_nr(mode)); + + if ( ! _mesa_validate_blend_equation( ctx, mode, GL_FALSE ) ) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation"); + return; + } + + if ( (ctx->Color.BlendEquationRGB == mode) && + (ctx->Color.BlendEquationA == mode) ) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.BlendEquationRGB = mode; + ctx->Color.BlendEquationA = mode; + + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. + */ + ctx->Color._LogicOpEnabled = (ctx->Color.ColorLogicOpEnabled || + (ctx->Color.BlendEnabled && + mode == GL_LOGIC_OP)); + + if (ctx->Driver.BlendEquationSeparate) + (*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode ); +} + +void GLAPIENTRY +_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBlendEquationSeparateEXT %s %s\n", + _mesa_lookup_enum_by_nr(modeRGB), + _mesa_lookup_enum_by_nr(modeA)); + + if ( (modeRGB != modeA) && !ctx->Extensions.EXT_blend_equation_separate ) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBlendEquationSeparateEXT not supported by driver"); + return; + } + + if ( ! _mesa_validate_blend_equation( ctx, modeRGB, GL_TRUE ) ) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeRGB)"); + return; + } + + if ( ! _mesa_validate_blend_equation( ctx, modeA, GL_TRUE ) ) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)"); + return; + } + + + if ( (ctx->Color.BlendEquationRGB == modeRGB) && + (ctx->Color.BlendEquationA == modeA) ) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.BlendEquationRGB = modeRGB; + ctx->Color.BlendEquationA = modeA; + + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. This test is simplified over glBlendEquation + * because modeRGB cannot be GL_LOGIC_OP. + */ + ctx->Color._LogicOpEnabled = (ctx->Color.ColorLogicOpEnabled); + + if (ctx->Driver.BlendEquationSeparate) + (*ctx->Driver.BlendEquationSeparate)( ctx, modeRGB, modeA ); +} +#endif + + +/** + * Set the blending color. + * + * \param red red color component. + * \param green green color component. + * \param blue blue color component. + * \param alpha alpha color component. + * + * \sa glBlendColor(). + * + * Clamps the parameters and updates gl_colorbuffer_attrib::BlendColor. On a + * change, flushes the vertices and notifies the driver via + * dd_function_table::BlendColor callback. + */ +void GLAPIENTRY +_mesa_BlendColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) +{ + GLfloat tmp[4]; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + tmp[0] = CLAMP( red, 0.0F, 1.0F ); + tmp[1] = CLAMP( green, 0.0F, 1.0F ); + tmp[2] = CLAMP( blue, 0.0F, 1.0F ); + tmp[3] = CLAMP( alpha, 0.0F, 1.0F ); + + if (TEST_EQ_4V(tmp, ctx->Color.BlendColor)) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4FV( ctx->Color.BlendColor, tmp ); + + if (ctx->Driver.BlendColor) + (*ctx->Driver.BlendColor)(ctx, tmp); +} + + +/** + * Specify the alpha test function. + * + * \param func alpha comparison function. + * \param ref reference value. + * + * Verifies the parameters and updates gl_colorbuffer_attrib. + * On a change, flushes the vertices and notifies the driver via + * dd_function_table::AlphaFunc callback. + */ +void GLAPIENTRY +_mesa_AlphaFunc( GLenum func, GLclampf ref ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (func) { + case GL_NEVER: + case GL_LESS: + case GL_EQUAL: + case GL_LEQUAL: + case GL_GREATER: + case GL_NOTEQUAL: + case GL_GEQUAL: + case GL_ALWAYS: + ref = CLAMP(ref, 0.0F, 1.0F); + + if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRef == ref) + return; /* no change */ + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.AlphaFunc = func; + ctx->Color.AlphaRef = ref; + + if (ctx->Driver.AlphaFunc) + ctx->Driver.AlphaFunc(ctx, func, ref); + return; + + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glAlphaFunc(func)" ); + return; + } +} + + +/** + * Specify a logic pixel operation for color index rendering. + * + * \param opcode operation. + * + * Verifies that \p opcode is a valid enum and updates +gl_colorbuffer_attrib::LogicOp. + * On a change, flushes the vertices and notifies the driver via the + * dd_function_table::LogicOpcode callback. + */ +void GLAPIENTRY +_mesa_LogicOp( GLenum opcode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (opcode) { + case GL_CLEAR: + case GL_SET: + case GL_COPY: + case GL_COPY_INVERTED: + case GL_NOOP: + case GL_INVERT: + case GL_AND: + case GL_NAND: + case GL_OR: + case GL_NOR: + case GL_XOR: + case GL_EQUIV: + case GL_AND_REVERSE: + case GL_AND_INVERTED: + case GL_OR_REVERSE: + case GL_OR_INVERTED: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" ); + return; + } + + if (ctx->Color.LogicOp == opcode) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.LogicOp = opcode; + + if (ctx->Driver.LogicOpcode) + ctx->Driver.LogicOpcode( ctx, opcode ); +} + +#if _HAVE_FULL_GL +void GLAPIENTRY +_mesa_IndexMask( GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Color.IndexMask == mask) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.IndexMask = mask; + + if (ctx->Driver.IndexMask) + ctx->Driver.IndexMask( ctx, mask ); +} +#endif + + +/** + * Enable or disable writing of frame buffer color components. + * + * \param red whether to mask writing of the red color component. + * \param green whether to mask writing of the green color component. + * \param blue whether to mask writing of the blue color component. + * \param alpha whether to mask writing of the alpha color component. + * + * \sa glColorMask(). + * + * Sets the appropriate value of gl_colorbuffer_attrib::ColorMask. On a + * change, flushes the vertices and notifies the driver via the + * dd_function_table::ColorMask callback. + */ +void GLAPIENTRY +_mesa_ColorMask( GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + GLubyte tmp[4]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glColorMask %d %d %d %d\n", red, green, blue, alpha); + + /* Shouldn't have any information about channel depth in core mesa + * -- should probably store these as the native booleans: + */ + tmp[RCOMP] = red ? 0xff : 0x0; + tmp[GCOMP] = green ? 0xff : 0x0; + tmp[BCOMP] = blue ? 0xff : 0x0; + tmp[ACOMP] = alpha ? 0xff : 0x0; + + if (TEST_EQ_4UBV(tmp, ctx->Color.ColorMask)) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4UBV(ctx->Color.ColorMask, tmp); + + if (ctx->Driver.ColorMask) + ctx->Driver.ColorMask( ctx, red, green, blue, alpha ); +} + +/**********************************************************************/ +/** \name Initialization */ +/*@{*/ + +/** + * Initialization of the context's Color attribute group. + * + * \param ctx GL context. + * + * Initializes the related fields in the context color attribute group, + * __GLcontextRec::Color. + */ +void _mesa_init_color( GLcontext * ctx ) +{ + /* Color buffer group */ + ctx->Color.IndexMask = 0xffffffff; + ctx->Color.ColorMask[0] = 0xff; + ctx->Color.ColorMask[1] = 0xff; + ctx->Color.ColorMask[2] = 0xff; + ctx->Color.ColorMask[3] = 0xff; + ctx->Color.ClearIndex = 0; + ASSIGN_4V( ctx->Color.ClearColor, 0, 0, 0, 0 ); + ctx->Color.DrawBuffer = GL_FRONT; + ctx->Color.AlphaEnabled = GL_FALSE; + ctx->Color.AlphaFunc = GL_ALWAYS; + ctx->Color.AlphaRef = 0; + ctx->Color.BlendEnabled = GL_FALSE; + ctx->Color.BlendSrcRGB = GL_ONE; + ctx->Color.BlendDstRGB = GL_ZERO; + ctx->Color.BlendSrcA = GL_ONE; + ctx->Color.BlendDstA = GL_ZERO; + ctx->Color.BlendEquationRGB = GL_FUNC_ADD; + ctx->Color.BlendEquationA = GL_FUNC_ADD; + ASSIGN_4V( ctx->Color.BlendColor, 0.0, 0.0, 0.0, 0.0 ); + ctx->Color.IndexLogicOpEnabled = GL_FALSE; + ctx->Color.ColorLogicOpEnabled = GL_FALSE; + ctx->Color._LogicOpEnabled = GL_FALSE; + ctx->Color.LogicOp = GL_COPY; + ctx->Color.DitherFlag = GL_TRUE; + + if (ctx->Visual.doubleBufferMode) { + ctx->Color.DrawBuffer = GL_BACK; + ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT; + } + else { + ctx->Color.DrawBuffer = GL_FRONT; + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT; + } +} + +/*@}*/ diff --git a/src/mesa/main/blend.h b/src/mesa/main/blend.h new file mode 100644 index 0000000..d6c03d9 --- /dev/null +++ b/src/mesa/main/blend.h @@ -0,0 +1,78 @@ +/** + * \file blend.h + * Blending functions operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef BLEND_H +#define BLEND_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_BlendFunc( GLenum sfactor, GLenum dfactor ); + + +extern void GLAPIENTRY +_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA ); + + +extern void GLAPIENTRY +_mesa_BlendEquation( GLenum mode ); + + +extern void GLAPIENTRY +_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA ); + + +extern void GLAPIENTRY +_mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); + + +extern void GLAPIENTRY +_mesa_AlphaFunc( GLenum func, GLclampf ref ); + + +extern void GLAPIENTRY +_mesa_LogicOp( GLenum opcode ); + + +extern void GLAPIENTRY +_mesa_IndexMask( GLuint mask ); + +extern void GLAPIENTRY +_mesa_ColorMask( GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ); + +extern void +_mesa_init_color( GLcontext * ctx ); + +#endif diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c new file mode 100644 index 0000000..0571d95 --- /dev/null +++ b/src/mesa/main/bufferobj.c @@ -0,0 +1,919 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file bufferobj.c + * \brief Functions for the GL_ARB_vertex_buffer_object extension. + * \author Brian Paul, Ian Romanick + */ + + +#include "glheader.h" +#include "hash.h" +#include "imports.h" +#include "image.h" +#include "context.h" +#include "bufferobj.h" + + +/** + * Get the buffer object bound to the specified target in a GL context. + * + * \param ctx GL context + * \param target Buffer object target to be retrieved. Currently this must + * be either \c GL_ARRAY_BUFFER or \c GL_ELEMENT_ARRAY_BUFFER. + * \param str Name of caller for logging errors. + * \return A pointer to the buffer object bound to \c target in the + * specified context or \c NULL if \c target is invalid or no + * buffer object is bound. + */ +static INLINE struct gl_buffer_object * +buffer_object_get_target( GLcontext *ctx, GLenum target, const char * str ) +{ + struct gl_buffer_object * bufObj = NULL; + + switch (target) { + case GL_ARRAY_BUFFER_ARB: + bufObj = ctx->Array.ArrayBufferObj; + break; + case GL_ELEMENT_ARRAY_BUFFER_ARB: + bufObj = ctx->Array.ElementArrayBufferObj; + break; + case GL_PIXEL_PACK_BUFFER_EXT: + bufObj = ctx->Pack.BufferObj; + break; + case GL_PIXEL_UNPACK_BUFFER_EXT: + bufObj = ctx->Unpack.BufferObj; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(target)", str); + return NULL; + } + + if (bufObj->Name == 0) + return NULL; + + return bufObj; +} + + +/** + * Tests the subdata range parameters and sets the GL error code for + * \c glBufferSubDataARB and \c glGetBufferSubDataARB. + * + * \param ctx GL context. + * \param target Buffer object target on which to operate. + * \param offset Offset of the first byte of the subdata range. + * \param size Size, in bytes, of the subdata range. + * \param str Name of caller for logging errors. + * \return A pointer to the buffer object bound to \c target in the + * specified context or \c NULL if any of the parameter or state + * conditions for \c glBufferSubDataARB or \c glGetBufferSubDataARB + * are invalid. + * + * \sa glBufferSubDataARB, glGetBufferSubDataARB + */ +static struct gl_buffer_object * +buffer_object_subdata_range_good( GLcontext * ctx, GLenum target, + GLintptrARB offset, GLsizeiptrARB size, + const char * str ) +{ + struct gl_buffer_object *bufObj; + + if (size < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(size < 0)", str); + return NULL; + } + + if (offset < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset < 0)", str); + return NULL; + } + + bufObj = buffer_object_get_target( ctx, target, str ); + if (!bufObj || bufObj->Name == 0) { + return NULL; + } + + if ((GLuint) (offset + size) > bufObj->Size) { + _mesa_error(ctx, GL_INVALID_VALUE, + "%s(size + offset > buffer size)", str); + return NULL; + } + + if (bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "%s", str); + return NULL; + } + + return bufObj; +} + + +/** + * Allocate and initialize a new buffer object. + * + * This function is intended to be called via + * \c dd_function_table::NewBufferObject. + */ +struct gl_buffer_object * +_mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target ) +{ + struct gl_buffer_object *obj; + + (void) ctx; + + obj = MALLOC_STRUCT(gl_buffer_object); + _mesa_initialize_buffer_object(obj, name, target); + return obj; +} + + +/** + * Delete a buffer object. + * + * This function is intended to be called via + * \c dd_function_table::DeleteBuffer. + */ +void +_mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj ) +{ + (void) ctx; + + if (bufObj->Data) + _mesa_free(bufObj->Data); + _mesa_free(bufObj); +} + + +/** + * Initialize a buffer object to default values. + */ +void +_mesa_initialize_buffer_object( struct gl_buffer_object *obj, + GLuint name, GLenum target ) +{ + (void) target; + + _mesa_bzero(obj, sizeof(struct gl_buffer_object)); + obj->RefCount = 1; + obj->Name = name; + obj->Usage = GL_STATIC_DRAW_ARB; + obj->Access = GL_READ_WRITE_ARB; +} + + +/** + * Add the given buffer object to the buffer object pool. + */ +void +_mesa_save_buffer_object( GLcontext *ctx, struct gl_buffer_object *obj ) +{ + if (obj->Name > 0) { + /* insert into hash table */ + _mesa_HashInsert(ctx->Shared->BufferObjects, obj->Name, obj); + } +} + + +/** + * Remove the given buffer object from the buffer object pool. + * Do not deallocate the buffer object though. + */ +void +_mesa_remove_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj ) +{ + if (bufObj->Name > 0) { + /* remove from hash table */ + _mesa_HashRemove(ctx->Shared->BufferObjects, bufObj->Name); + } +} + + +/** + * Allocate space for and store data in a buffer object. Any data that was + * previously stored in the buffer object is lost. If \c data is \c NULL, + * memory will be allocated, but no copy will occur. + * + * This function is intended to be called via + * \c dd_function_table::BufferData. This function need not set GL error + * codes. The input parameters will have been tested before calling. + * + * \param ctx GL context. + * \param target Buffer object target on which to operate. + * \param size Size, in bytes, of the new data store. + * \param data Pointer to the data to store in the buffer object. This + * pointer may be \c NULL. + * \param usage Hints about how the data will be used. + * \param bufObj Object to be used. + * + * \sa glBufferDataARB, dd_function_table::BufferData. + */ +void +_mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size, + const GLvoid * data, GLenum usage, + struct gl_buffer_object * bufObj ) +{ + void * new_data; + + (void) ctx; (void) target; + + new_data = _mesa_realloc( bufObj->Data, bufObj->Size, size ); + if (new_data) { + bufObj->Data = (GLubyte *) new_data; + bufObj->Size = size; + bufObj->Usage = usage; + + if (data) { + _mesa_memcpy( bufObj->Data, data, size ); + } + } +} + + +/** + * Replace data in a subrange of buffer object. If the data range + * specified by \c size + \c offset extends beyond the end of the buffer or + * if \c data is \c NULL, no copy is performed. + * + * This function is intended to be called by + * \c dd_function_table::BufferSubData. This function need not set GL error + * codes. The input parameters will have been tested before calling. + * + * \param ctx GL context. + * \param target Buffer object target on which to operate. + * \param offset Offset of the first byte to be modified. + * \param size Size, in bytes, of the data range. + * \param data Pointer to the data to store in the buffer object. + * \param bufObj Object to be used. + * + * \sa glBufferSubDataARB, dd_function_table::BufferSubData. + */ +void +_mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, const GLvoid * data, + struct gl_buffer_object * bufObj ) +{ + (void) ctx; (void) target; + + if (bufObj->Data && ((GLuint) (size + offset) <= bufObj->Size)) { + _mesa_memcpy( (GLubyte *) bufObj->Data + offset, data, size ); + } +} + + +/** + * Retrieve data from a subrange of buffer object. If the data range + * specified by \c size + \c offset extends beyond the end of the buffer or + * if \c data is \c NULL, no copy is performed. + * + * This function is intended to be called by + * \c dd_function_table::BufferGetSubData. This function need not set GL error + * codes. The input parameters will have been tested before calling. + * + * \param ctx GL context. + * \param target Buffer object target on which to operate. + * \param offset Offset of the first byte to be modified. + * \param size Size, in bytes, of the data range. + * \param data Pointer to the data to store in the buffer object. + * \param bufObj Object to be used. + * + * \sa glBufferGetSubDataARB, dd_function_table::GetBufferSubData. + */ +void +_mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, GLvoid * data, + struct gl_buffer_object * bufObj ) +{ + (void) ctx; (void) target; + + if (bufObj->Data && ((GLuint) (size + offset) <= bufObj->Size)) { + _mesa_memcpy( data, (GLubyte *) bufObj->Data + offset, size ); + } +} + + +/** + * Maps the private data buffer into the processor's address space. + * + * This function is intended to be called by \c dd_function_table::MapBuffer. + * This function need not set GL error codes. The input parameters will have + * been tested before calling. + * + * \param ctx GL context. + * \param target Buffer object target on which to operate. + * \param access Information about how the buffer will be accessed. + * \param bufObj Object to be used. + * \return A pointer to the object's internal data store that can be accessed + * by the processor + * + * \sa glMapBufferARB, dd_function_table::MapBuffer + */ +void * +_mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access, + struct gl_buffer_object * bufObj ) +{ + (void) ctx; (void) target; (void) access; + return bufObj->Data; +} + + +/** + * Initialize the state associated with buffer objects + */ +void +_mesa_init_buffer_objects( GLcontext *ctx ) +{ + GLuint i; + + /* Allocate the default buffer object and set refcount so high that + * it never gets deleted. + */ + ctx->Array.NullBufferObj = _mesa_new_buffer_object(ctx, 0, 0); + if (ctx->Array.NullBufferObj) + ctx->Array.NullBufferObj->RefCount = 1000; + + ctx->Array.ArrayBufferObj = ctx->Array.NullBufferObj; + ctx->Array.ElementArrayBufferObj = ctx->Array.NullBufferObj; + + /* Vertex array buffers */ + ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj; + for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + ctx->Array.TexCoord[i].BufferObj = ctx->Array.NullBufferObj; + } + ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj; + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + ctx->Array.VertexAttrib[i].BufferObj = ctx->Array.NullBufferObj; + } +} + + +/** + * When we're about to read pixel data out of a PBO (via glDrawPixels, + * glTexImage, etc) or write data into a PBO (via glReadPixels, + * glGetTexImage, etc) we call this function to check that we're not + * going to read out of bounds. + * + * \param width width of image to read/write + * \param height height of image to read/write + * \param depth depth of image to read/write + * \param format format of image to read/write + * \param type datatype of image to read/write + * \param ptr the user-provided pointer/offset + * \return GL_TRUE if the PBO access is OK, GL_FALSE if the access would + * go out of bounds. + */ +GLboolean +_mesa_validate_pbo_access(const struct gl_pixelstore_attrib *pack, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *ptr) +{ + GLvoid *start, *end; + + ASSERT(pack->BufferObj->Name != 0); + + if (pack->BufferObj->Size == 0) + /* no buffer! */ + return GL_FALSE; + + /* get address of first pixel we'll read */ + start = _mesa_image_address(pack, ptr, width, height, + format, type, 0, 0, 0); + + /* get address just past the last pixel we'll read */ + end = _mesa_image_address(pack, ptr, width, height, + format, type, depth-1, height-1, width); + + + if ((const GLubyte *) start > (const GLubyte *) pack->BufferObj->Size) { + /* This will catch negative values / wrap-around */ + return GL_FALSE; + } + if ((const GLubyte *) end > (const GLubyte *) pack->BufferObj->Size) { + /* Image read goes beyond end of buffer */ + return GL_FALSE; + } + + /* OK! */ + return GL_TRUE; +} + + + + +/**********************************************************************/ +/* API Functions */ +/**********************************************************************/ + +void GLAPIENTRY +_mesa_BindBufferARB(GLenum target, GLuint buffer) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *oldBufObj; + struct gl_buffer_object *newBufObj = 0; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + oldBufObj = buffer_object_get_target( ctx, target, "BindBufferARB" ); + if (oldBufObj && oldBufObj->Name == buffer) + return; /* rebinding the same buffer object- no change */ + + /* + * Get pointer to new buffer object (newBufObj) + */ + if (buffer == 0) { + /* The spec says there's not a buffer object named 0, but we use + * one internally because it simplifies things. + */ + newBufObj = ctx->Array.NullBufferObj; + } + else { + /* non-default buffer object */ + const struct _mesa_HashTable *hash = ctx->Shared->BufferObjects; + newBufObj = (struct gl_buffer_object *) _mesa_HashLookup(hash, buffer); + if (!newBufObj) { + /* if this is a new buffer object id, allocate a buffer object now */ + newBufObj = (*ctx->Driver.NewBufferObject)(ctx, buffer, target); + if (!newBufObj) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindBufferARB"); + return; + } + _mesa_save_buffer_object(ctx, newBufObj); + } + newBufObj->RefCount++; + } + + switch (target) { + case GL_ARRAY_BUFFER_ARB: + ctx->Array.ArrayBufferObj = newBufObj; + break; + case GL_ELEMENT_ARRAY_BUFFER_ARB: + ctx->Array.ElementArrayBufferObj = newBufObj; + break; + case GL_PIXEL_PACK_BUFFER_EXT: + ctx->Pack.BufferObj = newBufObj; + break; + case GL_PIXEL_UNPACK_BUFFER_EXT: + ctx->Unpack.BufferObj = newBufObj; + break; + default: + _mesa_problem(ctx, "Bad target in _mesa_BindBufferARB"); + return; + } + + /* Pass BindBuffer call to device driver */ + if (ctx->Driver.BindBuffer && newBufObj) + (*ctx->Driver.BindBuffer)( ctx, target, newBufObj ); + + if (oldBufObj) { + oldBufObj->RefCount--; + assert(oldBufObj->RefCount >= 0); + if (oldBufObj->RefCount == 0) { + assert(oldBufObj->Name != 0); + _mesa_remove_buffer_object(ctx, oldBufObj); + ASSERT(ctx->Driver.DeleteBuffer); + (*ctx->Driver.DeleteBuffer)( ctx, oldBufObj ); + } + } +} + + +/** + * Delete a set of buffer objects. + * + * \param n Number of buffer objects to delete. + * \param ids Array of \c n buffer object IDs. + */ +void GLAPIENTRY +_mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids) +{ + GET_CURRENT_CONTEXT(ctx); + GLsizei i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)"); + return; + } + + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + + for (i = 0; i < n; i++) { + if (ids[i] != 0) { + struct gl_buffer_object *bufObj = (struct gl_buffer_object *) + _mesa_HashLookup(ctx->Shared->BufferObjects, ids[i]); + if (bufObj) { + /* unbind any vertex pointers bound to this buffer */ + GLuint j; + + ASSERT(bufObj->Name == ids[i]); + + if (ctx->Array.Vertex.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.Normal.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.Color.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.SecondaryColor.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.FogCoord.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.Index.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + if (ctx->Array.EdgeFlag.BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + for (j = 0; j < MAX_TEXTURE_UNITS; j++) { + if (ctx->Array.TexCoord[j].BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + } + for (j = 0; j < VERT_ATTRIB_MAX; j++) { + if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) { + bufObj->RefCount--; + ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj; + ctx->Array.NullBufferObj->RefCount++; + } + } + + if (ctx->Array.ArrayBufferObj == bufObj) { + _mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 ); + } + if (ctx->Array.ElementArrayBufferObj == bufObj) { + _mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 ); + } + + if (ctx->Pack.BufferObj == bufObj) { + _mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 ); + } + if (ctx->Unpack.BufferObj == bufObj) { + _mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 ); + } + + /* decrement refcount and delete if <= 0 */ + if (!bufObj->DeletePending) { + bufObj->DeletePending = GL_TRUE; + bufObj->RefCount--; + } + + if (bufObj->RefCount <= 0) { + /* buffer should not be bound anymore! */ + ASSERT(ctx->Array.ArrayBufferObj != bufObj); + ASSERT(ctx->Array.ElementArrayBufferObj != bufObj); + ASSERT(ctx->Array.Vertex.BufferObj != bufObj); + _mesa_remove_buffer_object(ctx, bufObj); + ASSERT(ctx->Driver.DeleteBuffer); + (*ctx->Driver.DeleteBuffer)(ctx, bufObj); + } + } + } + } + + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); +} + + +/** + * Generate a set of unique buffer object IDs and store them in \c buffer. + * + * \param n Number of IDs to generate. + * \param buffer Array of \c n locations to store the IDs. + */ +void GLAPIENTRY +_mesa_GenBuffersARB(GLsizei n, GLuint *buffer) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint first; + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGenBuffersARB"); + return; + } + + if (!buffer) { + return; + } + + /* + * This must be atomic (generation and allocation of buffer object IDs) + */ + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + + first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n); + + /* Allocate new, empty buffer objects and return identifiers */ + for (i = 0; i < n; i++) { + struct gl_buffer_object *bufObj; + GLuint name = first + i; + GLenum target = 0; + bufObj = (*ctx->Driver.NewBufferObject)( ctx, name, target ); + if (!bufObj) { + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenBuffersARB"); + return; + } + _mesa_save_buffer_object(ctx, bufObj); + buffer[i] = first + i; + } + + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); +} + + +/** + * Determine if ID is the name of a buffer object. + * + * \param id ID of the potential buffer object. + * \return \c GL_TRUE if \c id is the name of a buffer object, + * \c GL_FALSE otherwise. + */ +GLboolean GLAPIENTRY +_mesa_IsBufferARB(GLuint id) +{ + struct gl_buffer_object * bufObj; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (id == 0) + return GL_FALSE; + + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + bufObj = (struct gl_buffer_object *) _mesa_HashLookup(ctx->Shared->BufferObjects, id); + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + + return bufObj && !bufObj->DeletePending; +} + + +void GLAPIENTRY +_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, + const GLvoid * data, GLenum usage) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (size < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBufferDataARB(size < 0)"); + return; + } + + switch (usage) { + case GL_STREAM_DRAW_ARB: + case GL_STREAM_READ_ARB: + case GL_STREAM_COPY_ARB: + case GL_STATIC_DRAW_ARB: + case GL_STATIC_READ_ARB: + case GL_STATIC_COPY_ARB: + case GL_DYNAMIC_DRAW_ARB: + case GL_DYNAMIC_READ_ARB: + case GL_DYNAMIC_COPY_ARB: + /* OK */ + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(usage)"); + return; + } + + bufObj = buffer_object_get_target( ctx, target, "BufferDataARB" ); + if (!bufObj || bufObj->Name ==0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferDataARB" ); + return; + } + + if (bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferDataARB(buffer is mapped)" ); + return; + } + + ASSERT(ctx->Driver.BufferData); + + /* Give the buffer object to the driver! <data> may be null! */ + (*ctx->Driver.BufferData)( ctx, target, size, data, usage, bufObj ); +} + + +void GLAPIENTRY +_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, + GLsizeiptrARB size, const GLvoid * data) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + bufObj = buffer_object_subdata_range_good( ctx, target, offset, size, + "BufferSubDataARB" ); + if (!bufObj) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferSubDataARB" ); + return; + } + + if (bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferSubDataARB(buffer is mapped)" ); + return; + } + + ASSERT(ctx->Driver.BufferSubData); + (*ctx->Driver.BufferSubData)( ctx, target, offset, size, data, bufObj ); +} + + +void GLAPIENTRY +_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, + GLsizeiptrARB size, void * data) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + bufObj = buffer_object_subdata_range_good( ctx, target, offset, size, + "GetBufferSubDataARB" ); + if (!bufObj) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferSubDataARB" ); + return; + } + + if (bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferSubDataARB(buffer is mapped)" ); + return; + } + + ASSERT(ctx->Driver.GetBufferSubData); + (*ctx->Driver.GetBufferSubData)( ctx, target, offset, size, data, bufObj ); +} + + +void * GLAPIENTRY +_mesa_MapBufferARB(GLenum target, GLenum access) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object * bufObj; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); + + switch (access) { + case GL_READ_ONLY_ARB: + case GL_WRITE_ONLY_ARB: + case GL_READ_WRITE_ARB: + /* OK */ + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)"); + return NULL; + } + + bufObj = buffer_object_get_target( ctx, target, "MapBufferARB" ); + if (!bufObj || bufObj->Name == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB" ); + return NULL; + } + + if (bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)"); + return NULL; + } + + ASSERT(ctx->Driver.MapBuffer); + bufObj->Pointer = (*ctx->Driver.MapBuffer)( ctx, target, access, bufObj ); + if (!bufObj->Pointer) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(access)"); + } + + bufObj->Access = access; + + return bufObj->Pointer; +} + + +GLboolean GLAPIENTRY +_mesa_UnmapBufferARB(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + GLboolean status = GL_TRUE; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + bufObj = buffer_object_get_target( ctx, target, "UnmapBufferARB" ); + if (!bufObj || bufObj->Name == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB" ); + return GL_FALSE; + } + + if (!bufObj->Pointer) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB"); + return GL_FALSE; + } + + if (ctx->Driver.UnmapBuffer) { + status = (*ctx->Driver.UnmapBuffer)( ctx, target, bufObj ); + } + + bufObj->Access = GL_READ_WRITE_ARB; /* initial value, OK? */ + bufObj->Pointer = NULL; + + return status; +} + + +void GLAPIENTRY +_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + bufObj = buffer_object_get_target( ctx, target, "GetBufferParameterivARB" ); + if (!bufObj || bufObj->Name == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "GetBufferParameterivARB" ); + return; + } + + switch (pname) { + case GL_BUFFER_SIZE_ARB: + *params = bufObj->Size; + break; + case GL_BUFFER_USAGE_ARB: + *params = bufObj->Usage; + break; + case GL_BUFFER_ACCESS_ARB: + *params = bufObj->Access; + break; + case GL_BUFFER_MAPPED_ARB: + *params = (bufObj->Pointer != NULL); + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object * bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (pname != GL_BUFFER_MAP_POINTER_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointervARB(pname)"); + return; + } + + bufObj = buffer_object_get_target( ctx, target, "GetBufferPointervARB" ); + if (!bufObj || bufObj->Name == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferPointervARB" ); + return; + } + + *params = bufObj->Pointer; +} diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h new file mode 100644 index 0000000..e6bd8b3 --- /dev/null +++ b/src/mesa/main/bufferobj.h @@ -0,0 +1,120 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef BUFFEROBJ_H +#define BUFFEROBJ_H + + +#include "context.h" + + +/* + * Internal functions + */ + +extern void +_mesa_init_buffer_objects( GLcontext *ctx ); + +extern struct gl_buffer_object * +_mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target ); + +extern void +_mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj ); + +extern void +_mesa_initialize_buffer_object( struct gl_buffer_object *obj, + GLuint name, GLenum target ); + +extern void +_mesa_save_buffer_object( GLcontext *ctx, struct gl_buffer_object *obj ); + +extern void +_mesa_remove_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj ); + +extern void +_mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size, + const GLvoid * data, GLenum usage, + struct gl_buffer_object * bufObj ); + +extern void +_mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, const GLvoid * data, + struct gl_buffer_object * bufObj ); + +extern void +_mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, GLvoid * data, + struct gl_buffer_object * bufObj ); + +extern void * +_mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access, + struct gl_buffer_object * bufObj ); + + +extern GLboolean +_mesa_validate_pbo_access(const struct gl_pixelstore_attrib *pack, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *ptr); + + +/* + * API functions + */ + +extern void GLAPIENTRY +_mesa_BindBufferARB(GLenum target, GLuint buffer); + +extern void GLAPIENTRY +_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer); + +extern void GLAPIENTRY +_mesa_GenBuffersARB(GLsizei n, GLuint * buffer); + +extern GLboolean GLAPIENTRY +_mesa_IsBufferARB(GLuint buffer); + +extern void GLAPIENTRY +_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage); + +extern void GLAPIENTRY +_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data); + +extern void GLAPIENTRY +_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data); + +extern void * GLAPIENTRY +_mesa_MapBufferARB(GLenum target, GLenum access); + +extern GLboolean GLAPIENTRY +_mesa_UnmapBufferARB(GLenum target); + +extern void GLAPIENTRY +_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params); + +#endif diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c new file mode 100644 index 0000000..4c5c077 --- /dev/null +++ b/src/mesa/main/buffers.c @@ -0,0 +1,620 @@ +/** + * \file buffers.c + * Frame buffer management. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "buffers.h" +#include "colormac.h" +#include "context.h" +#include "depth.h" +#include "enums.h" +#include "stencil.h" +#include "state.h" +#include "mtypes.h" + + +#if _HAVE_FULL_GL +void GLAPIENTRY +_mesa_ClearIndex( GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Color.ClearIndex == (GLuint) c) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.ClearIndex = (GLuint) c; + + if (!ctx->Visual.rgbMode && ctx->Driver.ClearIndex) { + /* it's OK to call glClearIndex in RGBA mode but it should be a NOP */ + (*ctx->Driver.ClearIndex)( ctx, ctx->Color.ClearIndex ); + } +} +#endif + + +/** + * Specify the clear values for the color buffers. + * + * \param red red color component. + * \param green green color component. + * \param blue blue color component. + * \param alpha alpha component. + * + * \sa glClearColor(). + * + * Clamps the parameters and updates gl_colorbuffer_attrib::ClearColor. On a + * change, flushes the vertices and notifies the driver via the + * dd_function_table::ClearColor callback. + */ +void GLAPIENTRY +_mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) +{ + GLfloat tmp[4]; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + tmp[0] = CLAMP(red, 0.0F, 1.0F); + tmp[1] = CLAMP(green, 0.0F, 1.0F); + tmp[2] = CLAMP(blue, 0.0F, 1.0F); + tmp[3] = CLAMP(alpha, 0.0F, 1.0F); + + if (TEST_EQ_4V(tmp, ctx->Color.ClearColor)) + return; /* no change */ + + FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4V(ctx->Color.ClearColor, tmp); + + if (ctx->Visual.rgbMode && ctx->Driver.ClearColor) { + /* it's OK to call glClearColor in CI mode but it should be a NOP */ + (*ctx->Driver.ClearColor)(ctx, ctx->Color.ClearColor); + } +} + + +/** + * Clear buffers. + * + * \param mask bit-mask indicating the buffers to be cleared. + * + * Flushes the vertices and verifies the parameter. If __GLcontextRec::NewState + * is set then calls _mesa_update_state() to update gl_frame_buffer::_Xmin, + * etc. If the rasterization mode is set to GL_RENDER then requests the driver + * to clear the buffers, via the dd_function_table::Clear callback. + */ +void GLAPIENTRY +_mesa_Clear( GLbitfield mask ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glClear 0x%x\n", mask); + + if (mask & ~(GL_COLOR_BUFFER_BIT | + GL_DEPTH_BUFFER_BIT | + GL_STENCIL_BUFFER_BIT | + GL_ACCUM_BUFFER_BIT)) { + /* invalid bit set */ + _mesa_error( ctx, GL_INVALID_VALUE, "glClear(0x%x)", mask); + return; + } + + if (ctx->NewState) { + _mesa_update_state( ctx ); /* update _Xmin, etc */ + } + + if (ctx->RenderMode==GL_RENDER) { + const GLint x = ctx->DrawBuffer->_Xmin; + const GLint y = ctx->DrawBuffer->_Ymin; + const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; + const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; + GLbitfield ddMask; + + /* don't clear depth buffer if depth writing disabled */ + if (!ctx->Depth.Mask) + mask &= ~GL_DEPTH_BUFFER_BIT; + + /* Build the bitmask to send to device driver's Clear function. + * Note that the GL_COLOR_BUFFER_BIT flag will expand to 0, 1, 2 or 4 + * of the FRONT/BACK_LEFT/RIGHT_BIT flags. + */ + ddMask = 0; + if (mask & GL_COLOR_BUFFER_BIT) + ddMask |= ctx->Color._DrawDestMask; + if ((mask & GL_DEPTH_BUFFER_BIT) && ctx->Visual.depthBits > 0) + ddMask |= GL_DEPTH_BUFFER_BIT; + if ((mask & GL_STENCIL_BUFFER_BIT) && ctx->Visual.stencilBits > 0) + ddMask |= GL_STENCIL_BUFFER_BIT; + if ((mask & GL_ACCUM_BUFFER_BIT) && ctx->Visual.accumRedBits > 0) + ddMask |= GL_ACCUM_BUFFER_BIT; + + ASSERT(ctx->Driver.Clear); + ctx->Driver.Clear( ctx, ddMask, (GLboolean) !ctx->Scissor.Enabled, + x, y, width, height ); + } +} + + +/** + * Specify which color buffers to draw into. + * + * \param mode color buffer combination. + * + * \sa glDrawBuffer(). + * + * Flushes the vertices and verifies the parameter and updates the + * gl_colorbuffer_attrib::_DrawDestMask bitfield. Marks new color state in + * __GLcontextRec::NewState and notifies the driver via the + * dd_function_table::DrawBuffer callback. + */ +void GLAPIENTRY +_mesa_DrawBuffer( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex... */ + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glDrawBuffer %s\n", _mesa_lookup_enum_by_nr(mode)); + + /* + * Do error checking and compute the _DrawDestMask bitfield. + */ + switch (mode) { + case GL_FRONT: + /* never an error */ + if (ctx->Visual.stereoMode) + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_FRONT_RIGHT_BIT; + else + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT; + break; + case GL_BACK: + if (!ctx->Visual.doubleBufferMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_BACK)"); + return; + } + if (ctx->Visual.stereoMode) + ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT | DD_BACK_RIGHT_BIT; + else + ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT; + break; + case GL_NONE: + /* never an error */ + ctx->Color._DrawDestMask = 0; + break; +#if _HAVE_FULL_GL + case GL_RIGHT: + if (!ctx->Visual.stereoMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_RIGHT)"); + return;} + if (ctx->Visual.doubleBufferMode) + ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT; + else + ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT; + break; + case GL_FRONT_RIGHT: + if (!ctx->Visual.stereoMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_FRONT_RIGHT)"); + return; + } + ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT; + break; + case GL_BACK_RIGHT: + if (!ctx->Visual.stereoMode || !ctx->Visual.doubleBufferMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_BACK_RIGHT)"); + return; + } + ctx->Color._DrawDestMask = DD_BACK_RIGHT_BIT; + break; + case GL_BACK_LEFT: + if (!ctx->Visual.doubleBufferMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_BACK_LEFT)"); + return; + } + ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT; + break; + case GL_FRONT_AND_BACK: + if (!ctx->Visual.doubleBufferMode) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_FRONT_AND_BACK)"); + return; + } + if (ctx->Visual.stereoMode) + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT + | DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT; + else + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT; + break; + case GL_LEFT: + /* never an error */ + if (ctx->Visual.doubleBufferMode) + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT; + else + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT; + break; + case GL_FRONT_LEFT: + /* never an error */ + ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT; + break; + case GL_AUX0: + if (ctx->Visual.numAuxBuffers >= 1) { + ctx->Color._DrawDestMask = DD_AUX0_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX0)" ); + return; + } + break; + case GL_AUX1: + if (ctx->Visual.numAuxBuffers >= 2) { + ctx->Color._DrawDestMask = DD_AUX1_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX1)" ); + return; + } + break; + case GL_AUX2: + if (ctx->Visual.numAuxBuffers >= 3) { + ctx->Color._DrawDestMask = DD_AUX2_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX2)" ); + return; + } + break; + case GL_AUX3: + if (ctx->Visual.numAuxBuffers >= 4) { + ctx->Color._DrawDestMask = DD_AUX3_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX3)" ); + return; + } + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glDrawBuffer" ); + return; + } + + ctx->Color.DrawBuffer = mode; + ctx->NewState |= _NEW_COLOR; + + /* + * Call device driver function. + */ + if (ctx->Driver.DrawBuffer) + (*ctx->Driver.DrawBuffer)(ctx, mode); +} + + +/** + * Set the color buffer source for reading pixels. + * + * \param mode color buffer. + * + * \sa glReadBuffer(). + * + * Verifies the parameter and updates gl_pixel_attrib::_ReadSrcMask. Marks + * new pixel state in __GLcontextRec::NewState and notifies the driver via + * dd_function_table::ReadBuffer. + */ +void GLAPIENTRY +_mesa_ReadBuffer( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(mode)); + + /* + * Do error checking and compute ctx->Pixel._ReadSrcMask. + */ + switch (mode) { + case GL_LEFT: + case GL_FRONT: + case GL_FRONT_LEFT: + /* Front-Left buffer, always exists */ + ctx->Pixel._ReadSrcMask = DD_FRONT_LEFT_BIT; + break; + case GL_BACK: + case GL_BACK_LEFT: + /* Back-Left buffer, requires double buffering */ + if (!ctx->Visual.doubleBufferMode) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" ); + return; + } + ctx->Pixel._ReadSrcMask = DD_BACK_LEFT_BIT; + break; +#if _HAVE_FULL_GL + case GL_FRONT_RIGHT: + case GL_RIGHT: + if (!ctx->Visual.stereoMode) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" ); + return; + } + ctx->Pixel._ReadSrcMask = DD_FRONT_RIGHT_BIT; + break; + case GL_BACK_RIGHT: + if (!ctx->Visual.stereoMode || !ctx->Visual.doubleBufferMode) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" ); + return; + } + ctx->Pixel._ReadSrcMask = DD_BACK_RIGHT_BIT; + break; + case GL_AUX0: + if (ctx->Visual.numAuxBuffers >= 1) { + ctx->Pixel._ReadSrcMask = DD_AUX0_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX0)" ); + return; + } + break; + case GL_AUX1: + if (ctx->Visual.numAuxBuffers >= 2) { + ctx->Pixel._ReadSrcMask = DD_AUX1_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX1)" ); + return; + } + break; + case GL_AUX2: + if (ctx->Visual.numAuxBuffers >= 3) { + ctx->Pixel._ReadSrcMask = DD_AUX2_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX2)" ); + return; + } + break; + case GL_AUX3: + if (ctx->Visual.numAuxBuffers >= 4) { + ctx->Pixel._ReadSrcMask = DD_AUX3_BIT; + } + else { + _mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX3)" ); + return; + } + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glReadBuffer" ); + return; + } + + ctx->Pixel.ReadBuffer = mode; + ctx->NewState |= _NEW_PIXEL; + + /* + * Call device driver function. + */ + if (ctx->Driver.ReadBuffer) + (*ctx->Driver.ReadBuffer)(ctx, mode); +} + +#if _HAVE_FULL_GL + +/** + * GL_MESA_resize_buffers extension. + * + * When this function is called, we'll ask the window system how large + * the current window is. If it's a new size, we'll call the driver's + * ResizeBuffers function. The driver will then resize its color buffers + * as needed, and maybe call the swrast's routine for reallocating + * swrast-managed depth/stencil/accum/etc buffers. + * \note This function may be called from within Mesa or called by the + * user directly (see the GL_MESA_resize_buffers extension). + */ +void GLAPIENTRY +_mesa_ResizeBuffersMESA( void ) +{ + GET_CURRENT_CONTEXT(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glResizeBuffersMESA\n"); + + if (ctx) { + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx ); + + if (ctx->DrawBuffer) { + GLuint buf_width, buf_height; + GLframebuffer *buffer = ctx->DrawBuffer; + + /* ask device driver for size of output buffer */ + (*ctx->Driver.GetBufferSize)( buffer, &buf_width, &buf_height ); + + /* see if size of device driver's color buffer (window) has changed */ + if (buffer->Width == buf_width && buffer->Height == buf_height) + return; /* size is as expected */ + + buffer->Width = buf_width; + buffer->Height = buf_height; + + ctx->Driver.ResizeBuffers( buffer ); + } + + if (ctx->ReadBuffer && ctx->ReadBuffer != ctx->DrawBuffer) { + GLuint buf_width, buf_height; + GLframebuffer *buffer = ctx->ReadBuffer; + + /* ask device driver for size of read buffer */ + (*ctx->Driver.GetBufferSize)( buffer, &buf_width, &buf_height ); + + /* see if size of device driver's color buffer (window) has changed */ + if (buffer->Width == buf_width && buffer->Height == buf_height) + return; /* size is as expected */ + + buffer->Width = buf_width; + buffer->Height = buf_height; + + ctx->Driver.ResizeBuffers( buffer ); + } + + ctx->NewState |= _NEW_BUFFERS; /* to update scissor / window bounds */ + } +} + +/* + * XXX move somewhere else someday? + */ +void GLAPIENTRY +_mesa_SampleCoverageARB(GLclampf value, GLboolean invert) +{ + GET_CURRENT_CONTEXT(ctx); + + if (!ctx->Extensions.ARB_multisample) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleCoverageARB"); + return; + } + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx ); + ctx->Multisample.SampleCoverageValue = (GLfloat) CLAMP(value, 0.0, 1.0); + ctx->Multisample.SampleCoverageInvert = invert; + ctx->NewState |= _NEW_MULTISAMPLE; +} + +#endif + + +/** + * Define the scissor box. + * + * \param x, y coordinates of the scissor box lower-left corner. + * \param width width of the scissor box. + * \param height height of the scissor box. + * + * \sa glScissor(). + * + * Verifies the parameters and updates __GLcontextRec::Scissor. On a + * change flushes the vertices and notifies the driver via + * the dd_function_table::Scissor callback. + */ +void GLAPIENTRY +_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glScissor" ); + return; + } + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glScissor %d %d %d %d\n", x, y, width, height); + + if (x == ctx->Scissor.X && + y == ctx->Scissor.Y && + width == ctx->Scissor.Width && + height == ctx->Scissor.Height) + return; + + FLUSH_VERTICES(ctx, _NEW_SCISSOR); + ctx->Scissor.X = x; + ctx->Scissor.Y = y; + ctx->Scissor.Width = width; + ctx->Scissor.Height = height; + + if (ctx->Driver.Scissor) + ctx->Driver.Scissor( ctx, x, y, width, height ); +} + +/**********************************************************************/ +/** \name State management */ +/*@{*/ + +/** + * Update screen bounds. + * + * \param ctx GL context. + * + * Update gl_frame_buffer::_Xmin, and etc. + */ +void _mesa_update_buffers( GLcontext *ctx ) +{ + ctx->DrawBuffer->_Xmin = 0; + ctx->DrawBuffer->_Ymin = 0; + ctx->DrawBuffer->_Xmax = ctx->DrawBuffer->Width; + ctx->DrawBuffer->_Ymax = ctx->DrawBuffer->Height; + if (ctx->Scissor.Enabled) { + if (ctx->Scissor.X > ctx->DrawBuffer->_Xmin) { + ctx->DrawBuffer->_Xmin = ctx->Scissor.X; + } + if (ctx->Scissor.Y > ctx->DrawBuffer->_Ymin) { + ctx->DrawBuffer->_Ymin = ctx->Scissor.Y; + } + if (ctx->Scissor.X + ctx->Scissor.Width < ctx->DrawBuffer->_Xmax) { + ctx->DrawBuffer->_Xmax = ctx->Scissor.X + ctx->Scissor.Width; + } + if (ctx->Scissor.Y + ctx->Scissor.Height < ctx->DrawBuffer->_Ymax) { + ctx->DrawBuffer->_Ymax = ctx->Scissor.Y + ctx->Scissor.Height; + } + } +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Initialization */ +/*@{*/ + +/** + * Initialize the context scissor data. + * + * \param ctx GL context. + * + * Initializes the __GLcontextRec::Scissor and __GLcontextRec::Multisample + * attribute groups, and related constants in __GLcontextRec::Const. + */ +void _mesa_init_buffers( GLcontext * ctx ) +{ + /* Scissor group */ + ctx->Scissor.Enabled = GL_FALSE; + ctx->Scissor.X = 0; + ctx->Scissor.Y = 0; + ctx->Scissor.Width = 0; + ctx->Scissor.Height = 0; + + /* Multisample */ + ctx->Multisample.Enabled = GL_FALSE; + ctx->Multisample.SampleAlphaToCoverage = GL_FALSE; + ctx->Multisample.SampleAlphaToOne = GL_FALSE; + ctx->Multisample.SampleCoverage = GL_FALSE; + ctx->Multisample.SampleCoverageValue = 1.0; + ctx->Multisample.SampleCoverageInvert = GL_FALSE; + +} + +/*@}*/ diff --git a/src/mesa/main/buffers.h b/src/mesa/main/buffers.h new file mode 100644 index 0000000..83e1b48 --- /dev/null +++ b/src/mesa/main/buffers.h @@ -0,0 +1,70 @@ +/** + * \file buffers.h + * Frame buffer management functions declarations. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef BUFFERS_H +#define BUFFERS_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_ClearIndex( GLfloat c ); + +extern void GLAPIENTRY +_mesa_ClearColor( GLclampf red, GLclampf green, + GLclampf blue, GLclampf alpha ); + +extern void GLAPIENTRY +_mesa_Clear( GLbitfield mask ); + +extern void GLAPIENTRY +_mesa_DrawBuffer( GLenum mode ); + +extern void GLAPIENTRY +_mesa_ReadBuffer( GLenum mode ); + +extern void GLAPIENTRY +_mesa_ResizeBuffersMESA( void ); + +extern void GLAPIENTRY +_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height ); + +extern void GLAPIENTRY +_mesa_SampleCoverageARB(GLclampf value, GLboolean invert); + +extern void +_mesa_init_buffers( GLcontext * ctx ); + +extern void +_mesa_update_buffers( GLcontext *ctx ); + +#endif diff --git a/src/mesa/main/clip.c b/src/mesa/main/clip.c new file mode 100644 index 0000000..a1eda32 --- /dev/null +++ b/src/mesa/main/clip.c @@ -0,0 +1,161 @@ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "clip.h" +#include "context.h" +#include "macros.h" +#include "mtypes.h" + +#include "math/m_xform.h" +#include "math/m_matrix.h" + + + +/**********************************************************************/ +/* Get/Set User clip-planes. */ +/**********************************************************************/ + + + +void GLAPIENTRY +_mesa_ClipPlane( GLenum plane, const GLdouble *eq ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint p; + GLfloat equation[4]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + p = (GLint) plane - (GLint) GL_CLIP_PLANE0; + if (p < 0 || p >= (GLint) ctx->Const.MaxClipPlanes) { + _mesa_error( ctx, GL_INVALID_ENUM, "glClipPlane" ); + return; + } + + equation[0] = (GLfloat) eq[0]; + equation[1] = (GLfloat) eq[1]; + equation[2] = (GLfloat) eq[2]; + equation[3] = (GLfloat) eq[3]; + + /* + * The equation is transformed by the transpose of the inverse of the + * current modelview matrix and stored in the resulting eye coordinates. + * + * KW: Eqn is then transformed to the current clip space, where user + * clipping now takes place. The clip-space equations are recalculated + * whenever the projection matrix changes. + */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY) + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + + _mesa_transform_vector( equation, equation, + ctx->ModelviewMatrixStack.Top->inv ); + + if (TEST_EQ_4V(ctx->Transform.EyeUserPlane[p], equation)) + return; + + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + COPY_4FV(ctx->Transform.EyeUserPlane[p], equation); + + /* Update derived state. This state also depends on the projection + * matrix, and is recalculated on changes to the projection matrix by + * code in _mesa_update_state(). + */ + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { + if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + _mesa_transform_vector( ctx->Transform._ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrixStack.Top->inv ); + } + + if (ctx->Driver.ClipPlane) + ctx->Driver.ClipPlane( ctx, plane, equation ); +} + + +void GLAPIENTRY +_mesa_GetClipPlane( GLenum plane, GLdouble *equation ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint p; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + p = (GLint) (plane - GL_CLIP_PLANE0); + if (p < 0 || p >= (GLint) ctx->Const.MaxClipPlanes) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetClipPlane" ); + return; + } + + equation[0] = (GLdouble) ctx->Transform.EyeUserPlane[p][0]; + equation[1] = (GLdouble) ctx->Transform.EyeUserPlane[p][1]; + equation[2] = (GLdouble) ctx->Transform.EyeUserPlane[p][2]; + equation[3] = (GLdouble) ctx->Transform.EyeUserPlane[p][3]; +} + +void GLAPIENTRY +_mesa_CullParameterfvEXT (GLenum cap, GLfloat *v) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (cap) { + case GL_CULL_VERTEX_EYE_POSITION_EXT: + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + COPY_4FV(ctx->Transform.CullEyePos, v); + + _mesa_transform_vector( ctx->Transform.CullObjPos, + ctx->Transform.CullEyePos, + ctx->ModelviewMatrixStack.Top->inv ); + break; + + case GL_CULL_VERTEX_OBJECT_POSITION_EXT: + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + COPY_4FV(ctx->Transform.CullObjPos, v); + + _mesa_transform_vector( ctx->Transform.CullEyePos, + ctx->Transform.CullObjPos, + ctx->ModelviewMatrixStack.Top->m ); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glCullParameterfvEXT" ); + } +} + +void GLAPIENTRY +_mesa_CullParameterdvEXT (GLenum cap, GLdouble *v) +{ + GLfloat f[4]; + + f[0] = (GLfloat)v[0]; + f[1] = (GLfloat)v[1]; + f[2] = (GLfloat)v[2]; + f[3] = (GLfloat)v[3]; + + _mesa_CullParameterfvEXT(cap, f); +} + diff --git a/src/mesa/main/clip.h b/src/mesa/main/clip.h new file mode 100644 index 0000000..d53afb4 --- /dev/null +++ b/src/mesa/main/clip.h @@ -0,0 +1,49 @@ +/** + * \file clip.h + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef CLIP_H +#define CLIP_H + +#include "mtypes.h" + +extern void GLAPIENTRY +_mesa_ClipPlane( GLenum plane, const GLdouble *equation ); + +extern void GLAPIENTRY +_mesa_GetClipPlane( GLenum plane, GLdouble *equation ); + +extern void GLAPIENTRY +_mesa_CullParameterfvEXT (GLenum cap, GLfloat *v); + +extern void GLAPIENTRY +_mesa_CullParameterdvEXT (GLenum cap, GLdouble *v); + + +#endif diff --git a/src/mesa/main/colormac.h b/src/mesa/main/colormac.h new file mode 100644 index 0000000..a19521f --- /dev/null +++ b/src/mesa/main/colormac.h @@ -0,0 +1,227 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file colormac.h + * Color-related macros + */ + + +#ifndef COLORMAC_H +#define COLORMAC_H + + +#include "imports.h" +#include "config.h" +#include "macros.h" + + +/** \def BYTE_TO_CHAN + * Convert from GLbyte to GLchan */ + +/** \def UBYTE_TO_CHAN + * Convert from GLubyte to GLchan */ + +/** \def SHORT_TO_CHAN + * Convert from GLshort to GLchan */ + +/** \def USHORT_TO_CHAN + * Convert from GLushort to GLchan */ + +/** \def INT_TO_CHAN + * Convert from GLint to GLchan */ + +/** \def UINT_TO_CHAN + * Convert from GLuint to GLchan */ + +/** \def CHAN_TO_UBYTE + * Convert from GLchan to GLubyte */ + +/** \def CHAN_TO_FLOAT + * Convert from GLchan to GLfloat */ + +/** \def CLAMPED_FLOAT_TO_CHAN + * Convert from GLclampf to GLchan */ + +/** \def UNCLAMPED_FLOAT_TO_CHAN + * Convert from GLfloat to GLchan */ + +/** \def COPY_CHAN4 + * Copy a GLchan[4] array */ + +/** \def CHAN_PRODUCT + * Scaled product (usually approximated) between two GLchan arguments */ + +#if CHAN_BITS == 8 + +#define BYTE_TO_CHAN(b) ((b) < 0 ? 0 : (GLchan) (b)) +#define UBYTE_TO_CHAN(b) (b) +#define SHORT_TO_CHAN(s) ((s) < 0 ? 0 : (GLchan) ((s) >> 7)) +#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8)) +#define INT_TO_CHAN(i) ((i) < 0 ? 0 : (GLchan) ((i) >> 23)) +#define UINT_TO_CHAN(i) ((GLchan) ((i) >> 24)) + +#define CHAN_TO_UBYTE(c) (c) +#define CHAN_TO_FLOAT(c) UBYTE_TO_FLOAT(c) + +#define CLAMPED_FLOAT_TO_CHAN(c, f) CLAMPED_FLOAT_TO_UBYTE(c, f) +#define UNCLAMPED_FLOAT_TO_CHAN(c, f) UNCLAMPED_FLOAT_TO_UBYTE(c, f) + +#define COPY_CHAN4(DST, SRC) COPY_4UBV(DST, SRC) + +#define CHAN_PRODUCT(a, b) ((GLubyte) (((GLint)(a) * ((GLint)(b) + 1)) >> 8)) + +#elif CHAN_BITS == 16 + +#define BYTE_TO_CHAN(b) ((b) < 0 ? 0 : (((GLchan) (b)) * 516)) +#define UBYTE_TO_CHAN(b) ((((GLchan) (b)) << 8) | ((GLchan) (b))) +#define SHORT_TO_CHAN(s) ((s) < 0 ? 0 : (GLchan) (s)) +#define USHORT_TO_CHAN(s) (s) +#define INT_TO_CHAN(i) ((i) < 0 ? 0 : (GLchan) ((i) >> 15)) +#define UINT_TO_CHAN(i) ((GLchan) ((i) >> 16)) + +#define CHAN_TO_UBYTE(c) ((c) >> 8) +#define CHAN_TO_FLOAT(c) ((GLfloat) ((c) * (1.0 / CHAN_MAXF))) + +#define CLAMPED_FLOAT_TO_CHAN(c, f) CLAMPED_FLOAT_TO_USHORT(c, f) +#define UNCLAMPED_FLOAT_TO_CHAN(c, f) UNCLAMPED_FLOAT_TO_USHORT(c, f) + +#define COPY_CHAN4(DST, SRC) COPY_4V(DST, SRC) + +#define CHAN_PRODUCT(a, b) ((GLchan) ((((GLuint) (a)) * ((GLuint) (b))) / 65535)) + +#elif CHAN_BITS == 32 + +/* XXX floating-point color channels not fully thought-out */ +#define BYTE_TO_CHAN(b) ((GLfloat) ((b) * (1.0F / 127.0F))) +#define UBYTE_TO_CHAN(b) ((GLfloat) ((b) * (1.0F / 255.0F))) +#define SHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 32767.0F))) +#define USHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 65535.0F))) +#define INT_TO_CHAN(i) ((GLfloat) ((i) * (1.0F / 2147483647.0F))) +#define UINT_TO_CHAN(i) ((GLfloat) ((i) * (1.0F / 4294967295.0F))) + +#define CHAN_TO_UBYTE(c) FLOAT_TO_UBYTE(c) +#define CHAN_TO_FLOAT(c) (c) + +#define CLAMPED_FLOAT_TO_CHAN(c, f) c = (f) +#define UNCLAMPED_FLOAT_TO_CHAN(c, f) c = (f) + +#define COPY_CHAN4(DST, SRC) COPY_4V(DST, SRC) + +#define CHAN_PRODUCT(a, b) ((a) * (b)) + +#else + +#error unexpected CHAN_BITS size + +#endif + + +/** + * Convert 3 channels at once. + * + * \param dst pointer to destination GLchan[3] array. + * \param f pointer to source GLfloat[3] array. + * + * \sa #UNCLAMPED_FLOAT_TO_CHAN. + */ +#define UNCLAMPED_FLOAT_TO_RGB_CHAN(dst, f) \ +do { \ + UNCLAMPED_FLOAT_TO_CHAN(dst[0], f[0]); \ + UNCLAMPED_FLOAT_TO_CHAN(dst[1], f[1]); \ + UNCLAMPED_FLOAT_TO_CHAN(dst[2], f[2]); \ +} while (0) + + +/** + * Convert 4 channels at once. + * + * \param dst pointer to destination GLchan[4] array. + * \param f pointer to source GLfloat[4] array. + * + * \sa #UNCLAMPED_FLOAT_TO_CHAN. + */ +#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f) \ +do { \ + UNCLAMPED_FLOAT_TO_CHAN(dst[0], f[0]); \ + UNCLAMPED_FLOAT_TO_CHAN(dst[1], f[1]); \ + UNCLAMPED_FLOAT_TO_CHAN(dst[2], f[2]); \ + UNCLAMPED_FLOAT_TO_CHAN(dst[3], f[3]); \ +} while (0) + + + +/** + * \name Generic color packing macros. All inputs should be GLubytes. + * + * \todo We may move these into texstore.h at some point. + */ +/*@{*/ + +#define PACK_COLOR_8888( R, G, B, A ) \ + (((R) << 24) | ((G) << 16) | ((B) << 8) | (A)) + +#define PACK_COLOR_8888_REV( R, G, B, A ) \ + (((A) << 24) | ((B) << 16) | ((G) << 8) | (R)) + +#define PACK_COLOR_888( R, G, B ) \ + (((R) << 16) | ((G) << 8) | (B)) + +#define PACK_COLOR_565( R, G, B ) \ + ((((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | (((B) & 0xf8) >> 3)) + +#define PACK_COLOR_565_REV( R, G, B ) \ + (((R) & 0xf8) | ((G) & 0xe0) >> 5 | (((G) & 0x1c) << 11) | (((B) & 0xf8) << 5)) + +#define PACK_COLOR_1555( A, B, G, R ) \ + ((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) | \ + ((A) ? 0x8000 : 0)) + +#define PACK_COLOR_1555_REV( A, B, G, R ) \ + ((((B) & 0xf8) >> 1) | (((G) & 0xc0) >> 6) | (((G) & 0x38) << 10) | (((R) & 0xf8) << 5) | \ + ((A) ? 0x80 : 0)) + +#define PACK_COLOR_4444( R, G, B, A ) \ + ((((R) & 0xf0) << 8) | (((G) & 0xf0) << 4) | ((B) & 0xf0) | ((A) >> 4)) + +#define PACK_COLOR_4444_REV( R, G, B, A ) \ + ((((B) & 0xf0) << 8) | (((A) & 0xf0) << 4) | ((R) & 0xf0) | ((G) >> 4)) + +#define PACK_COLOR_88( L, A ) \ + (((L) << 8) | (A)) + +#define PACK_COLOR_88_REV( L, A ) \ + (((A) << 8) | (L)) + +#define PACK_COLOR_332( R, G, B ) \ + (((R) & 0xe0) | (((G) & 0xe0) >> 3) | (((B) & 0xc0) >> 6)) + +#define PACK_COLOR_233( B, G, R ) \ + (((B) & 0xc0) | (((G) & 0xe0) >> 2) | (((R) & 0xe0) >> 5)) + +/*@}*/ + + +#endif /* COLORMAC_H */ diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c new file mode 100644 index 0000000..3fb8afd --- /dev/null +++ b/src/mesa/main/colortab.c @@ -0,0 +1,1385 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "colortab.h" +#include "context.h" +#include "image.h" +#include "macros.h" +#include "state.h" + + +/* + * Given an internalFormat token passed to glColorTable, + * return the corresponding base format. + * Return -1 if invalid token. + */ +static GLint +base_colortab_format( GLenum format ) +{ + switch (format) { + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + return GL_ALPHA; + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return GL_LUMINANCE_ALPHA; + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + return GL_INTENSITY; + case GL_RGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return GL_RGB; + case GL_RGBA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return GL_RGBA; + default: + return -1; /* error */ + } +} + + + +/* + * Examine table's format and set the component sizes accordingly. + */ +static void +set_component_sizes( struct gl_color_table *table ) +{ + GLubyte sz; + + switch (table->Type) { + case GL_UNSIGNED_BYTE: + sz = sizeof(GLubyte); + break; + case GL_UNSIGNED_SHORT: + sz = sizeof(GLushort); + break; + case GL_FLOAT: + sz = sizeof(GLfloat); + break; + default: + _mesa_problem(NULL, "bad color table type in set_component_sizes 0x%x", table->Type); + return; + } + + switch (table->Format) { + case GL_ALPHA: + table->RedSize = 0; + table->GreenSize = 0; + table->BlueSize = 0; + table->AlphaSize = sz; + table->IntensitySize = 0; + table->LuminanceSize = 0; + break; + case GL_LUMINANCE: + table->RedSize = 0; + table->GreenSize = 0; + table->BlueSize = 0; + table->AlphaSize = 0; + table->IntensitySize = 0; + table->LuminanceSize = sz; + break; + case GL_LUMINANCE_ALPHA: + table->RedSize = 0; + table->GreenSize = 0; + table->BlueSize = 0; + table->AlphaSize = sz; + table->IntensitySize = 0; + table->LuminanceSize = sz; + break; + case GL_INTENSITY: + table->RedSize = 0; + table->GreenSize = 0; + table->BlueSize = 0; + table->AlphaSize = 0; + table->IntensitySize = sz; + table->LuminanceSize = 0; + break; + case GL_RGB: + table->RedSize = sz; + table->GreenSize = sz; + table->BlueSize = sz; + table->AlphaSize = 0; + table->IntensitySize = 0; + table->LuminanceSize = 0; + break; + case GL_RGBA: + table->RedSize = sz; + table->GreenSize = sz; + table->BlueSize = sz; + table->AlphaSize = sz; + table->IntensitySize = 0; + table->LuminanceSize = 0; + break; + default: + _mesa_problem(NULL, "unexpected format in set_component_sizes"); + } +} + + + +/** + * Update/replace all or part of a color table. Helper function + * used by _mesa_ColorTable() and _mesa_ColorSubTable(). + * The table->Table buffer should already be allocated. + * \param start first entry to update + * \param count number of entries to update + * \param format format of user-provided table data + * \param type datatype of user-provided table data + * \param data user-provided table data + * \param [rgba]Scale - RGBA scale factors + * \param [rgba]Bias - RGBA bias factors + */ +static void +store_colortable_entries(GLcontext *ctx, struct gl_color_table *table, + GLsizei start, GLsizei count, + GLenum format, GLenum type, const GLvoid *data, + GLfloat rScale, GLfloat rBias, + GLfloat gScale, GLfloat gBias, + GLfloat bScale, GLfloat bBias, + GLfloat aScale, GLfloat aBias) +{ + if (table->Type == GL_FLOAT) { + /* convert user-provided data to GLfloat values */ + GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4]; + GLfloat *tableF; + GLint i; + + _mesa_unpack_color_span_float(ctx, + count, /* number of pixels */ + table->Format, /* dest format */ + tempTab, /* dest address */ + format, type, data, /* src data */ + &ctx->Unpack, + IMAGE_CLAMP_BIT); /* transfer ops */ + + tableF = (GLfloat *) table->Table; + + switch (table->Format) { + case GL_INTENSITY: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F); + } + break; + case GL_LUMINANCE: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F); + } + break; + case GL_ALPHA: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F); + } + break; + case GL_LUMINANCE_ALPHA: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F); + tableF[j*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F); + } + break; + case GL_RGB: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F); + tableF[j*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F); + tableF[j*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F); + } + break; + case GL_RGBA: + for (i = 0; i < count; i++) { + GLuint j = start + i; + tableF[j*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F); + tableF[j*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F); + tableF[j*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F); + tableF[j*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F); + } + break; + default: + _mesa_problem(ctx, "Bad format in store_colortable_entries"); + return; + } + } + else { + /* non-float (GLchan) */ + const GLint comps = _mesa_components_in_format(table->Format); + GLchan *dest = (GLchan *) table->Table + start * comps; + _mesa_unpack_color_span_chan(ctx, count, /* number of entries */ + table->Format, /* dest format */ + dest, /* dest address */ + format, type, data, /* src data */ + &ctx->Unpack, + 0); /* transfer ops */ + } +} + + + +void GLAPIENTRY +_mesa_ColorTable( GLenum target, GLenum internalFormat, + GLsizei width, GLenum format, GLenum type, + const GLvoid *data ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = NULL; + struct gl_color_table *table = NULL; + GLboolean proxy = GL_FALSE; + GLint baseFormat; + GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0; + GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0; + GLenum tableType = CHAN_TYPE; + GLint comps; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */ + + switch (target) { + case GL_TEXTURE_1D: + texObj = texUnit->Current1D; + table = &texObj->Palette; + break; + case GL_TEXTURE_2D: + texObj = texUnit->Current2D; + table = &texObj->Palette; + break; + case GL_TEXTURE_3D: + texObj = texUnit->Current3D; + table = &texObj->Palette; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); + return; + } + texObj = texUnit->CurrentCubeMap; + table = &texObj->Palette; + break; + case GL_PROXY_TEXTURE_1D: + texObj = ctx->Texture.Proxy1D; + table = &texObj->Palette; + proxy = GL_TRUE; + break; + case GL_PROXY_TEXTURE_2D: + texObj = ctx->Texture.Proxy2D; + table = &texObj->Palette; + proxy = GL_TRUE; + break; + case GL_PROXY_TEXTURE_3D: + texObj = ctx->Texture.Proxy3D; + table = &texObj->Palette; + proxy = GL_TRUE; + break; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); + return; + } + texObj = ctx->Texture.ProxyCubeMap; + table = &texObj->Palette; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + table = &ctx->Texture.Palette; + break; + case GL_COLOR_TABLE: + table = &ctx->ColorTable; + tableType = GL_FLOAT; + rScale = ctx->Pixel.ColorTableScale[0]; + gScale = ctx->Pixel.ColorTableScale[1]; + bScale = ctx->Pixel.ColorTableScale[2]; + aScale = ctx->Pixel.ColorTableScale[3]; + rBias = ctx->Pixel.ColorTableBias[0]; + gBias = ctx->Pixel.ColorTableBias[1]; + bBias = ctx->Pixel.ColorTableBias[2]; + aBias = ctx->Pixel.ColorTableBias[3]; + break; + case GL_PROXY_COLOR_TABLE: + table = &ctx->ProxyColorTable; + proxy = GL_TRUE; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); + return; + } + table = &(texUnit->ColorTable); + tableType = GL_FLOAT; + rScale = ctx->Pixel.TextureColorTableScale[0]; + gScale = ctx->Pixel.TextureColorTableScale[1]; + bScale = ctx->Pixel.TextureColorTableScale[2]; + aScale = ctx->Pixel.TextureColorTableScale[3]; + rBias = ctx->Pixel.TextureColorTableBias[0]; + gBias = ctx->Pixel.TextureColorTableBias[1]; + bBias = ctx->Pixel.TextureColorTableBias[2]; + aBias = ctx->Pixel.TextureColorTableBias[3]; + break; + case GL_PROXY_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); + return; + } + table = &(texUnit->ProxyColorTable); + proxy = GL_TRUE; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->PostConvolutionColorTable; + tableType = GL_FLOAT; + rScale = ctx->Pixel.PCCTscale[0]; + gScale = ctx->Pixel.PCCTscale[1]; + bScale = ctx->Pixel.PCCTscale[2]; + aScale = ctx->Pixel.PCCTscale[3]; + rBias = ctx->Pixel.PCCTbias[0]; + gBias = ctx->Pixel.PCCTbias[1]; + bBias = ctx->Pixel.PCCTbias[2]; + aBias = ctx->Pixel.PCCTbias[3]; + break; + case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->ProxyPostConvolutionColorTable; + proxy = GL_TRUE; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->PostColorMatrixColorTable; + tableType = GL_FLOAT; + rScale = ctx->Pixel.PCMCTscale[0]; + gScale = ctx->Pixel.PCMCTscale[1]; + bScale = ctx->Pixel.PCMCTscale[2]; + aScale = ctx->Pixel.PCMCTscale[3]; + rBias = ctx->Pixel.PCMCTbias[0]; + gBias = ctx->Pixel.PCMCTbias[1]; + bBias = ctx->Pixel.PCMCTbias[2]; + aBias = ctx->Pixel.PCMCTbias[3]; + break; + case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->ProxyPostColorMatrixColorTable; + proxy = GL_TRUE; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)"); + return; + } + + assert(table); + + if (!_mesa_is_legal_format_and_type(ctx, format, type) || + format == GL_INTENSITY) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)"); + return; + } + + baseFormat = base_colortab_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)"); + return; + } + + if (width < 0 || (width != 0 && _mesa_bitcount(width) != 1)) { + /* error */ + if (proxy) { + table->Size = 0; + table->IntFormat = (GLenum) 0; + table->Format = (GLenum) 0; + } + else { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width); + } + return; + } + + if (width > (GLsizei) ctx->Const.MaxColorTableSize) { + if (proxy) { + table->Size = 0; + table->IntFormat = (GLenum) 0; + table->Format = (GLenum) 0; + } + else { + _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)"); + } + return; + } + + table->Size = width; + table->IntFormat = internalFormat; + table->Format = (GLenum) baseFormat; + + comps = _mesa_components_in_format(table->Format); + assert(comps > 0); /* error should have been caught sooner */ + + if (!proxy) { + /* free old table, if any */ + if (table->Table) { + FREE(table->Table); + table->Table = NULL; + } + + if (width > 0) { + if (tableType == GL_FLOAT) { + table->Type = GL_FLOAT; + table->Table = MALLOC(comps * width * sizeof(GLfloat)); + } + else { + table->Type = CHAN_TYPE; + table->Table = MALLOC(comps * width * sizeof(GLchan)); + } + + if (!table->Table) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable"); + return; + } + + store_colortable_entries(ctx, table, + 0, width, /* start, count */ + format, type, data, + rScale, rBias, + gScale, gBias, + bScale, bBias, + aScale, aBias); + } + } /* proxy */ + + /* do this after the table's Type and Format are set */ + set_component_sizes(table); + + if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) { + /* texture object palette, texObj==NULL means the shared palette */ + if (ctx->Driver.UpdateTexturePalette) { + (*ctx->Driver.UpdateTexturePalette)( ctx, texObj ); + } + } + + ctx->NewState |= _NEW_PIXEL; +} + + + +void GLAPIENTRY +_mesa_ColorSubTable( GLenum target, GLsizei start, + GLsizei count, GLenum format, GLenum type, + const GLvoid *data ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = NULL; + struct gl_color_table *table = NULL; + GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0; + GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_TEXTURE_1D: + texObj = texUnit->Current1D; + table = &texObj->Palette; + break; + case GL_TEXTURE_2D: + texObj = texUnit->Current2D; + table = &texObj->Palette; + break; + case GL_TEXTURE_3D: + texObj = texUnit->Current3D; + table = &texObj->Palette; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)"); + return; + } + texObj = texUnit->CurrentCubeMap; + table = &texObj->Palette; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + table = &ctx->Texture.Palette; + break; + case GL_COLOR_TABLE: + table = &ctx->ColorTable; + rScale = ctx->Pixel.ColorTableScale[0]; + gScale = ctx->Pixel.ColorTableScale[1]; + bScale = ctx->Pixel.ColorTableScale[2]; + aScale = ctx->Pixel.ColorTableScale[3]; + rBias = ctx->Pixel.ColorTableBias[0]; + gBias = ctx->Pixel.ColorTableBias[1]; + bBias = ctx->Pixel.ColorTableBias[2]; + aBias = ctx->Pixel.ColorTableBias[3]; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)"); + return; + } + table = &(texUnit->ColorTable); + rScale = ctx->Pixel.TextureColorTableScale[0]; + gScale = ctx->Pixel.TextureColorTableScale[1]; + bScale = ctx->Pixel.TextureColorTableScale[2]; + aScale = ctx->Pixel.TextureColorTableScale[3]; + rBias = ctx->Pixel.TextureColorTableBias[0]; + gBias = ctx->Pixel.TextureColorTableBias[1]; + bBias = ctx->Pixel.TextureColorTableBias[2]; + aBias = ctx->Pixel.TextureColorTableBias[3]; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->PostConvolutionColorTable; + rScale = ctx->Pixel.PCCTscale[0]; + gScale = ctx->Pixel.PCCTscale[1]; + bScale = ctx->Pixel.PCCTscale[2]; + aScale = ctx->Pixel.PCCTscale[3]; + rBias = ctx->Pixel.PCCTbias[0]; + gBias = ctx->Pixel.PCCTbias[1]; + bBias = ctx->Pixel.PCCTbias[2]; + aBias = ctx->Pixel.PCCTbias[3]; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->PostColorMatrixColorTable; + rScale = ctx->Pixel.PCMCTscale[0]; + gScale = ctx->Pixel.PCMCTscale[1]; + bScale = ctx->Pixel.PCMCTscale[2]; + aScale = ctx->Pixel.PCMCTscale[3]; + rBias = ctx->Pixel.PCMCTbias[0]; + gBias = ctx->Pixel.PCMCTbias[1]; + bBias = ctx->Pixel.PCMCTbias[2]; + aBias = ctx->Pixel.PCMCTbias[3]; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)"); + return; + } + + assert(table); + + if (!_mesa_is_legal_format_and_type(ctx, format, type) || + format == GL_INTENSITY) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)"); + return; + } + + if (count < 1) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)"); + return; + } + + /* error should have been caught sooner */ + assert(_mesa_components_in_format(table->Format) > 0); + + if (start + count > (GLint) table->Size) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)"); + return; + } + + if (!table->Table) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorSubTable"); + return; + } + + store_colortable_entries(ctx, table, start, count, + format, type, data, + rScale, rBias, + gScale, gBias, + bScale, bBias, + aScale, aBias); + + if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) { + /* per-texture object palette */ + if (ctx->Driver.UpdateTexturePalette) { + (*ctx->Driver.UpdateTexturePalette)( ctx, texObj ); + } + } + + ctx->NewState |= _NEW_PIXEL; +} + + + +/* XXX not tested */ +void GLAPIENTRY +_mesa_CopyColorTable(GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + /* Select buffer to read from */ + ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width ); +} + + + +/* XXX not tested */ +void GLAPIENTRY +_mesa_CopyColorSubTable(GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width ); +} + + + +void GLAPIENTRY +_mesa_GetColorTable( GLenum target, GLenum format, + GLenum type, GLvoid *data ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_color_table *table = NULL; + GLchan rgba[MAX_COLOR_TABLE_SIZE][4]; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + switch (target) { + case GL_TEXTURE_1D: + table = &texUnit->Current1D->Palette; + break; + case GL_TEXTURE_2D: + table = &texUnit->Current2D->Palette; + break; + case GL_TEXTURE_3D: + table = &texUnit->Current3D->Palette; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)"); + return; + } + table = &texUnit->CurrentCubeMap->Palette; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + table = &ctx->Texture.Palette; + break; + case GL_COLOR_TABLE: + table = &ctx->ColorTable; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)"); + return; + } + table = &(texUnit->ColorTable); + break; + case GL_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->PostConvolutionColorTable; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->PostColorMatrixColorTable; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)"); + return; + } + + ASSERT(table); + + switch (table->Format) { + case GL_ALPHA: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = 0; + rgba[i][GCOMP] = 0; + rgba[i][BCOMP] = 0; + rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = 0; + rgba[i][GCOMP] = 0; + rgba[i][BCOMP] = 0; + rgba[i][ACOMP] = tableUB[i]; + } + } + break; + case GL_LUMINANCE: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][ACOMP] = CHAN_MAX; + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = tableUB[i]; + rgba[i][GCOMP] = tableUB[i]; + rgba[i][BCOMP] = tableUB[i]; + rgba[i][ACOMP] = CHAN_MAX; + } + } + break; + case GL_LUMINANCE_ALPHA: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF); + rgba[i][GCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF); + rgba[i][BCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF); + rgba[i][ACOMP] = IROUND_POS(tableF[i*2+1] * CHAN_MAXF); + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = tableUB[i*2+0]; + rgba[i][GCOMP] = tableUB[i*2+0]; + rgba[i][BCOMP] = tableUB[i*2+0]; + rgba[i][ACOMP] = tableUB[i*2+1]; + } + } + break; + case GL_INTENSITY: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF); + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = tableUB[i]; + rgba[i][GCOMP] = tableUB[i]; + rgba[i][BCOMP] = tableUB[i]; + rgba[i][ACOMP] = tableUB[i]; + } + } + break; + case GL_RGB: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = IROUND_POS(tableF[i*3+0] * CHAN_MAXF); + rgba[i][GCOMP] = IROUND_POS(tableF[i*3+1] * CHAN_MAXF); + rgba[i][BCOMP] = IROUND_POS(tableF[i*3+2] * CHAN_MAXF); + rgba[i][ACOMP] = CHAN_MAX; + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = tableUB[i*3+0]; + rgba[i][GCOMP] = tableUB[i*3+1]; + rgba[i][BCOMP] = tableUB[i*3+2]; + rgba[i][ACOMP] = CHAN_MAX; + } + } + break; + case GL_RGBA: + if (table->Type == GL_FLOAT) { + const GLfloat *tableF = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = IROUND_POS(tableF[i*4+0] * CHAN_MAXF); + rgba[i][GCOMP] = IROUND_POS(tableF[i*4+1] * CHAN_MAXF); + rgba[i][BCOMP] = IROUND_POS(tableF[i*4+2] * CHAN_MAXF); + rgba[i][ACOMP] = IROUND_POS(tableF[i*4+3] * CHAN_MAXF); + } + } + else { + const GLchan *tableUB = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < table->Size; i++) { + rgba[i][RCOMP] = tableUB[i*4+0]; + rgba[i][GCOMP] = tableUB[i*4+1]; + rgba[i][BCOMP] = tableUB[i*4+2]; + rgba[i][ACOMP] = tableUB[i*4+3]; + } + } + break; + default: + _mesa_problem(ctx, "bad table format in glGetColorTable"); + return; + } + + _mesa_pack_rgba_span_chan(ctx, table->Size, (const GLchan (*)[4]) rgba, + format, type, data, &ctx->Pack, GL_FALSE); +} + + + +void GLAPIENTRY +_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_COLOR_TABLE_SGI: + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + ctx->Pixel.ColorTableScale[0] = params[0]; + ctx->Pixel.ColorTableScale[1] = params[1]; + ctx->Pixel.ColorTableScale[2] = params[2]; + ctx->Pixel.ColorTableScale[3] = params[3]; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + ctx->Pixel.ColorTableBias[0] = params[0]; + ctx->Pixel.ColorTableBias[1] = params[1]; + ctx->Pixel.ColorTableBias[2] = params[2]; + ctx->Pixel.ColorTableBias[3] = params[3]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)"); + return; + } + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)"); + return; + } + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + ctx->Pixel.TextureColorTableScale[0] = params[0]; + ctx->Pixel.TextureColorTableScale[1] = params[1]; + ctx->Pixel.TextureColorTableScale[2] = params[2]; + ctx->Pixel.TextureColorTableScale[3] = params[3]; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + ctx->Pixel.TextureColorTableBias[0] = params[0]; + ctx->Pixel.TextureColorTableBias[1] = params[1]; + ctx->Pixel.TextureColorTableBias[2] = params[2]; + ctx->Pixel.TextureColorTableBias[3] = params[3]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)"); + return; + } + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + ctx->Pixel.PCCTscale[0] = params[0]; + ctx->Pixel.PCCTscale[1] = params[1]; + ctx->Pixel.PCCTscale[2] = params[2]; + ctx->Pixel.PCCTscale[3] = params[3]; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + ctx->Pixel.PCCTbias[0] = params[0]; + ctx->Pixel.PCCTbias[1] = params[1]; + ctx->Pixel.PCCTbias[2] = params[2]; + ctx->Pixel.PCCTbias[3] = params[3]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)"); + return; + } + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + ctx->Pixel.PCMCTscale[0] = params[0]; + ctx->Pixel.PCMCTscale[1] = params[1]; + ctx->Pixel.PCMCTscale[2] = params[2]; + ctx->Pixel.PCMCTscale[3] = params[3]; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + ctx->Pixel.PCMCTbias[0] = params[0]; + ctx->Pixel.PCMCTbias[1] = params[1]; + ctx->Pixel.PCMCTbias[2] = params[2]; + ctx->Pixel.PCMCTbias[3] = params[3]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)"); + return; + } + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)"); + return; + } + + ctx->NewState |= _NEW_PIXEL; +} + + + +void GLAPIENTRY +_mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params) +{ + GLfloat fparams[4]; + if (pname == GL_COLOR_TABLE_SGI || + pname == GL_TEXTURE_COLOR_TABLE_SGI || + pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI || + pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI) { + /* four values */ + fparams[0] = (GLfloat) params[0]; + fparams[1] = (GLfloat) params[1]; + fparams[2] = (GLfloat) params[2]; + fparams[3] = (GLfloat) params[3]; + } + else { + /* one values */ + fparams[0] = (GLfloat) params[0]; + } + _mesa_ColorTableParameterfv(target, pname, fparams); +} + + + +void GLAPIENTRY +_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_color_table *table = NULL; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (target) { + case GL_TEXTURE_1D: + table = &texUnit->Current1D->Palette; + break; + case GL_TEXTURE_2D: + table = &texUnit->Current2D->Palette; + break; + case GL_TEXTURE_3D: + table = &texUnit->Current3D->Palette; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetColorTableParameterfv(target)"); + return; + } + table = &texUnit->CurrentCubeMap->Palette; + break; + case GL_PROXY_TEXTURE_1D: + table = &ctx->Texture.Proxy1D->Palette; + break; + case GL_PROXY_TEXTURE_2D: + table = &ctx->Texture.Proxy2D->Palette; + break; + case GL_PROXY_TEXTURE_3D: + table = &ctx->Texture.Proxy3D->Palette; + break; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetColorTableParameterfv(target)"); + return; + } + table = &ctx->Texture.ProxyCubeMap->Palette; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + table = &ctx->Texture.Palette; + break; + case GL_COLOR_TABLE: + table = &ctx->ColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = ctx->Pixel.ColorTableScale[0]; + params[1] = ctx->Pixel.ColorTableScale[1]; + params[2] = ctx->Pixel.ColorTableScale[2]; + params[3] = ctx->Pixel.ColorTableScale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = ctx->Pixel.ColorTableBias[0]; + params[1] = ctx->Pixel.ColorTableBias[1]; + params[2] = ctx->Pixel.ColorTableBias[2]; + params[3] = ctx->Pixel.ColorTableBias[3]; + return; + } + break; + case GL_PROXY_COLOR_TABLE: + table = &ctx->ProxyColorTable; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)"); + return; + } + table = &(texUnit->ColorTable); + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = ctx->Pixel.TextureColorTableScale[0]; + params[1] = ctx->Pixel.TextureColorTableScale[1]; + params[2] = ctx->Pixel.TextureColorTableScale[2]; + params[3] = ctx->Pixel.TextureColorTableScale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = ctx->Pixel.TextureColorTableBias[0]; + params[1] = ctx->Pixel.TextureColorTableBias[1]; + params[2] = ctx->Pixel.TextureColorTableBias[2]; + params[3] = ctx->Pixel.TextureColorTableBias[3]; + return; + } + break; + case GL_PROXY_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)"); + return; + } + table = &(texUnit->ProxyColorTable); + break; + case GL_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->PostConvolutionColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = ctx->Pixel.PCCTscale[0]; + params[1] = ctx->Pixel.PCCTscale[1]; + params[2] = ctx->Pixel.PCCTscale[2]; + params[3] = ctx->Pixel.PCCTscale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = ctx->Pixel.PCCTbias[0]; + params[1] = ctx->Pixel.PCCTbias[1]; + params[2] = ctx->Pixel.PCCTbias[2]; + params[3] = ctx->Pixel.PCCTbias[3]; + return; + } + break; + case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->ProxyPostConvolutionColorTable; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->PostColorMatrixColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = ctx->Pixel.PCMCTscale[0]; + params[1] = ctx->Pixel.PCMCTscale[1]; + params[2] = ctx->Pixel.PCMCTscale[2]; + params[3] = ctx->Pixel.PCMCTscale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = ctx->Pixel.PCMCTbias[0]; + params[1] = ctx->Pixel.PCMCTbias[1]; + params[2] = ctx->Pixel.PCMCTbias[2]; + params[3] = ctx->Pixel.PCMCTbias[3]; + return; + } + break; + case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->ProxyPostColorMatrixColorTable; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(target)"); + return; + } + + assert(table); + + switch (pname) { + case GL_COLOR_TABLE_FORMAT: + *params = (GLfloat) table->IntFormat; + break; + case GL_COLOR_TABLE_WIDTH: + *params = (GLfloat) table->Size; + break; + case GL_COLOR_TABLE_RED_SIZE: + *params = (GLfloat) table->RedSize; + break; + case GL_COLOR_TABLE_GREEN_SIZE: + *params = (GLfloat) table->GreenSize; + break; + case GL_COLOR_TABLE_BLUE_SIZE: + *params = (GLfloat) table->BlueSize; + break; + case GL_COLOR_TABLE_ALPHA_SIZE: + *params = (GLfloat) table->AlphaSize; + break; + case GL_COLOR_TABLE_LUMINANCE_SIZE: + *params = (GLfloat) table->LuminanceSize; + break; + case GL_COLOR_TABLE_INTENSITY_SIZE: + *params = (GLfloat) table->IntensitySize; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" ); + return; + } +} + + + +void GLAPIENTRY +_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_color_table *table = NULL; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (target) { + case GL_TEXTURE_1D: + table = &texUnit->Current1D->Palette; + break; + case GL_TEXTURE_2D: + table = &texUnit->Current2D->Palette; + break; + case GL_TEXTURE_3D: + table = &texUnit->Current3D->Palette; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetColorTableParameteriv(target)"); + return; + } + table = &texUnit->CurrentCubeMap->Palette; + break; + case GL_PROXY_TEXTURE_1D: + table = &ctx->Texture.Proxy1D->Palette; + break; + case GL_PROXY_TEXTURE_2D: + table = &ctx->Texture.Proxy2D->Palette; + break; + case GL_PROXY_TEXTURE_3D: + table = &ctx->Texture.Proxy3D->Palette; + break; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetColorTableParameteriv(target)"); + return; + } + table = &ctx->Texture.ProxyCubeMap->Palette; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + table = &ctx->Texture.Palette; + break; + case GL_COLOR_TABLE: + table = &ctx->ColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = (GLint) ctx->Pixel.ColorTableScale[0]; + params[1] = (GLint) ctx->Pixel.ColorTableScale[1]; + params[2] = (GLint) ctx->Pixel.ColorTableScale[2]; + params[3] = (GLint) ctx->Pixel.ColorTableScale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = (GLint) ctx->Pixel.ColorTableBias[0]; + params[1] = (GLint) ctx->Pixel.ColorTableBias[1]; + params[2] = (GLint) ctx->Pixel.ColorTableBias[2]; + params[3] = (GLint) ctx->Pixel.ColorTableBias[3]; + return; + } + break; + case GL_PROXY_COLOR_TABLE: + table = &ctx->ProxyColorTable; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)"); + return; + } + table = &(texUnit->ColorTable); + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = (GLint) ctx->Pixel.TextureColorTableScale[0]; + params[1] = (GLint) ctx->Pixel.TextureColorTableScale[1]; + params[2] = (GLint) ctx->Pixel.TextureColorTableScale[2]; + params[3] = (GLint) ctx->Pixel.TextureColorTableScale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = (GLint) ctx->Pixel.TextureColorTableBias[0]; + params[1] = (GLint) ctx->Pixel.TextureColorTableBias[1]; + params[2] = (GLint) ctx->Pixel.TextureColorTableBias[2]; + params[3] = (GLint) ctx->Pixel.TextureColorTableBias[3]; + return; + } + break; + case GL_PROXY_TEXTURE_COLOR_TABLE_SGI: + if (!ctx->Extensions.SGI_texture_color_table) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)"); + return; + } + table = &(texUnit->ProxyColorTable); + break; + case GL_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->PostConvolutionColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = (GLint) ctx->Pixel.PCCTscale[0]; + params[1] = (GLint) ctx->Pixel.PCCTscale[1]; + params[2] = (GLint) ctx->Pixel.PCCTscale[2]; + params[3] = (GLint) ctx->Pixel.PCCTscale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = (GLint) ctx->Pixel.PCCTbias[0]; + params[1] = (GLint) ctx->Pixel.PCCTbias[1]; + params[2] = (GLint) ctx->Pixel.PCCTbias[2]; + params[3] = (GLint) ctx->Pixel.PCCTbias[3]; + return; + } + break; + case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE: + table = &ctx->ProxyPostConvolutionColorTable; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->PostColorMatrixColorTable; + if (pname == GL_COLOR_TABLE_SCALE_SGI) { + params[0] = (GLint) ctx->Pixel.PCMCTscale[0]; + params[1] = (GLint) ctx->Pixel.PCMCTscale[1]; + params[2] = (GLint) ctx->Pixel.PCMCTscale[2]; + params[3] = (GLint) ctx->Pixel.PCMCTscale[3]; + return; + } + else if (pname == GL_COLOR_TABLE_BIAS_SGI) { + params[0] = (GLint) ctx->Pixel.PCMCTbias[0]; + params[1] = (GLint) ctx->Pixel.PCMCTbias[1]; + params[2] = (GLint) ctx->Pixel.PCMCTbias[2]; + params[3] = (GLint) ctx->Pixel.PCMCTbias[3]; + return; + } + break; + case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE: + table = &ctx->ProxyPostColorMatrixColorTable; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(target)"); + return; + } + + assert(table); + + switch (pname) { + case GL_COLOR_TABLE_FORMAT: + *params = table->IntFormat; + break; + case GL_COLOR_TABLE_WIDTH: + *params = table->Size; + break; + case GL_COLOR_TABLE_RED_SIZE: + *params = table->RedSize; + break; + case GL_COLOR_TABLE_GREEN_SIZE: + *params = table->GreenSize; + break; + case GL_COLOR_TABLE_BLUE_SIZE: + *params = table->BlueSize; + break; + case GL_COLOR_TABLE_ALPHA_SIZE: + *params = table->AlphaSize; + break; + case GL_COLOR_TABLE_LUMINANCE_SIZE: + *params = table->LuminanceSize; + break; + case GL_COLOR_TABLE_INTENSITY_SIZE: + *params = table->IntensitySize; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" ); + return; + } +} + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + + +void +_mesa_init_colortable( struct gl_color_table *p ) +{ + p->Type = CHAN_TYPE; + p->Table = NULL; + p->Size = 0; + p->IntFormat = GL_RGBA; +} + + + +void +_mesa_free_colortable_data( struct gl_color_table *p ) +{ + if (p->Table) { + FREE(p->Table); + p->Table = NULL; + } +} + + +/* + * Initialize all colortables for a context. + */ +void _mesa_init_colortables( GLcontext * ctx ) +{ + /* Color tables */ + _mesa_init_colortable(&ctx->ColorTable); + _mesa_init_colortable(&ctx->ProxyColorTable); + _mesa_init_colortable(&ctx->PostConvolutionColorTable); + _mesa_init_colortable(&ctx->ProxyPostConvolutionColorTable); + _mesa_init_colortable(&ctx->PostColorMatrixColorTable); + _mesa_init_colortable(&ctx->ProxyPostColorMatrixColorTable); +} + + +/* + * Free all colortable data for a context + */ +void _mesa_free_colortables_data( GLcontext *ctx ) +{ + _mesa_free_colortable_data(&ctx->ColorTable); + _mesa_free_colortable_data(&ctx->ProxyColorTable); + _mesa_free_colortable_data(&ctx->PostConvolutionColorTable); + _mesa_free_colortable_data(&ctx->ProxyPostConvolutionColorTable); + _mesa_free_colortable_data(&ctx->PostColorMatrixColorTable); + _mesa_free_colortable_data(&ctx->ProxyPostColorMatrixColorTable); +} diff --git a/src/mesa/main/colortab.h b/src/mesa/main/colortab.h new file mode 100644 index 0000000..4bd1621 --- /dev/null +++ b/src/mesa/main/colortab.h @@ -0,0 +1,110 @@ +/** + * \file colortab.h + * Color tables. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef COLORTAB_H +#define COLORTAB_H + + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_ColorTable( GLenum target, GLenum internalformat, + GLsizei width, GLenum format, GLenum type, + const GLvoid *table ); + +extern void GLAPIENTRY +_mesa_ColorSubTable( GLenum target, GLsizei start, + GLsizei count, GLenum format, GLenum type, + const GLvoid *table ); + +extern void GLAPIENTRY +_mesa_CopyColorSubTable(GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width); + +extern void GLAPIENTRY +_mesa_CopyColorTable(GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width); + +extern void GLAPIENTRY +_mesa_GetColorTable( GLenum target, GLenum format, + GLenum type, GLvoid *table ); + +extern void GLAPIENTRY +_mesa_ColorTableParameterfv(GLenum target, GLenum pname, + const GLfloat *params); + +extern void GLAPIENTRY +_mesa_ColorTableParameteriv(GLenum target, GLenum pname, + const GLint *params); + +extern void GLAPIENTRY +_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params ); + + + +extern void +_mesa_init_colortable( struct gl_color_table *table ); + +extern void +_mesa_free_colortable_data( struct gl_color_table *table ); + +extern void +_mesa_init_colortables( GLcontext *ctx ); + +extern void +_mesa_free_colortables_data( GLcontext *ctx ); + +#else + +/** No-op */ +#define _mesa_init_colortable( p ) ((void) 0) + +/** No-op */ +#define _mesa_free_colortable_data( p ) ((void) 0) + +/** No-op */ +#define _mesa_init_colortables( p ) ((void)0) + +/** No-op */ +#define _mesa_free_colortables_data( p ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h new file mode 100644 index 0000000..496997b --- /dev/null +++ b/src/mesa/main/config.h @@ -0,0 +1,286 @@ +/** + * \file config.h + * Tunable configuration parameters. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef CONFIG_H +#define CONFIG_H + +#ifdef HAVE_CONFIG_H +#include "conf.h" +#endif + + +/** + * \name OpenGL implementation limits + */ +/*@{*/ + +/** Maximum modelview matrix stack depth */ +#define MAX_MODELVIEW_STACK_DEPTH 32 + +/** Maximum projection matrix stack depth */ +#define MAX_PROJECTION_STACK_DEPTH 32 + +/** Maximum texture matrix stack depth */ +#define MAX_TEXTURE_STACK_DEPTH 10 + +/** Maximum color matrix stack depth */ +#define MAX_COLOR_STACK_DEPTH 4 + +/** Maximum attribute stack depth */ +#define MAX_ATTRIB_STACK_DEPTH 16 + +/** Maximum client attribute stack depth */ +#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16 + +/** Maximum recursion depth of display list calls */ +#define MAX_LIST_NESTING 64 + +/** Maximum number of lights */ +#define MAX_LIGHTS 8 + +/** Maximum user-defined clipping planes */ +#define MAX_CLIP_PLANES 6 + +/** Maximum pixel map lookup table size */ +#define MAX_PIXEL_MAP_TABLE 256 + +/** Maximum Number of auxillary color buffers */ +#define MAX_AUX_BUFFERS 4 + +/** Maximum order (degree) of curves */ +#ifdef AMIGA +# define MAX_EVAL_ORDER 12 +#else +# define MAX_EVAL_ORDER 30 +#endif + +/** Maximum Name stack depth */ +#define MAX_NAME_STACK_DEPTH 64 + +/** Minimum point size */ +#define MIN_POINT_SIZE 1.0 +/** Maximum point size */ +#define MAX_POINT_SIZE 20.0 +/** Point size granularity */ +#define POINT_SIZE_GRANULARITY 0.1 + +/** Minimum line width */ +#define MIN_LINE_WIDTH 1.0 +/** Maximum line width */ +#define MAX_LINE_WIDTH 10.0 +/** Line width granularity */ +#define LINE_WIDTH_GRANULARITY 0.1 + +/** Max texture palette / color table size */ +#define MAX_COLOR_TABLE_SIZE 256 + +/** Number of 1D/2D texture mipmap levels */ +#define MAX_TEXTURE_LEVELS 12 + +/** Number of 3D texture mipmap levels */ +#define MAX_3D_TEXTURE_LEVELS 9 + +/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */ +#define MAX_CUBE_TEXTURE_LEVELS 12 + +/** Maximum rectangular texture size - GL_NV_texture_rectangle */ +#define MAX_TEXTURE_RECT_SIZE 2048 + +/** Number of texture units - GL_ARB_multitexture */ +#define MAX_TEXTURE_UNITS 8 + +/*@}*/ + + +/** + * \name Separate numbers of texture coordinates and texture image units. + * + * These values will eventually replace most instances of MAX_TEXTURE_UNITS. + * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS. + * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS. + */ +/*@{*/ +#define MAX_TEXTURE_COORD_UNITS 8 +#define MAX_TEXTURE_IMAGE_UNITS 8 +/*@}*/ + +/** + * Maximum viewport/image width. Must accomodate all texture sizes too. + */ +#define MAX_WIDTH 4096 +/** Maximum viewport/image height */ +#define MAX_HEIGHT 4096 + +/** Maxmimum size for CVA. May be overridden by the drivers. */ +#define MAX_ARRAY_LOCK_SIZE 3000 + +/** Subpixel precision for antialiasing, window coordinate snapping */ +#define SUB_PIXEL_BITS 4 + +/** Size of histogram tables */ +#define HISTOGRAM_TABLE_SIZE 256 + +/** Max convolution filter width */ +#define MAX_CONVOLUTION_WIDTH 9 +/** Max convolution filter height */ +#define MAX_CONVOLUTION_HEIGHT 9 + +/** For GL_ARB_texture_compression */ +#define MAX_COMPRESSED_TEXTURE_FORMATS 25 + +/** For GL_EXT_texture_filter_anisotropic */ +#define MAX_TEXTURE_MAX_ANISOTROPY 16.0 + +/** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */ +#define MAX_TEXTURE_LOD_BIAS 11.0 + +/** For GL_NV_vertex_program */ +/*@{*/ +#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128 +#define MAX_NV_VERTEX_PROGRAM_TEMPS 12 +#define MAX_NV_VERTEX_PROGRAM_PARAMS 96 +#define MAX_NV_VERTEX_PROGRAM_INPUTS 16 +#define MAX_NV_VERTEX_PROGRAM_OUTPUTS 15 +/*@}*/ + +/** For GL_NV_fragment_program */ +/*@{*/ +#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128 +#define MAX_NV_FRAGMENT_PROGRAM_TEMPS 96 +#define MAX_NV_FRAGMENT_PROGRAM_PARAMS 64 +#define MAX_NV_FRAGMENT_PROGRAM_INPUTS 12 +#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS 3 +#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS 2 +/*@}*/ + +/** For GL_ARB_vertex_program */ +/*@{*/ +#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1 +#define MAX_VERTEX_PROGRAM_ATTRIBS 16 +/*@}*/ + +/** For GL_ARB_fragment_program */ +/*@{*/ +#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1 +#define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48 +#define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24 +#define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS 4 +/*@}*/ + +/** For any program target/extension */ +/*@{*/ +#define MAX_PROGRAM_LOCAL_PARAMS 96 +#define MAX_PROGRAM_MATRICES 8 +#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4 +/*@}*/ + + +/** + * \name Mesa-specific parameters + */ +/*@{*/ + + +/** + * If non-zero use GLdouble for walking triangle edges, for better accuracy. + */ +#define TRIANGLE_WALK_DOUBLE 0 + +/** + * Bits per accumulation buffer color component: 8, 16 or 32 + */ +#define ACCUM_BITS 16 + +/** + * Bits per depth buffer value. + * + * Any reasonable value up to 31 will work. 32 doesn't work because of integer + * overflow problems in the rasterizer code. + */ +#ifndef DEFAULT_SOFTWARE_DEPTH_BITS +#define DEFAULT_SOFTWARE_DEPTH_BITS 16 +#endif +/** Depth buffer data type */ +#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16 +#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort +#else +#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint +#endif + + +/** + * Bits per stencil value: 8 + */ +#define STENCIL_BITS 8 + + +/** + * Bits per color channel: 8, 16 or 32 + */ +#ifndef CHAN_BITS +#define CHAN_BITS 8 +#endif + + +/* + * Color channel component order + * + * \note Changes will almost certainly cause problems at this time. + */ +#define RCOMP 0 +#define GCOMP 1 +#define BCOMP 2 +#define ACOMP 3 + + +/* + * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1. + */ +#ifndef _HAVE_FULL_GL +#define _HAVE_FULL_GL 1 +#endif + +#define FEATURE_ARB_vertex_buffer_object _HAVE_FULL_GL +#define FEATURE_ARB_vertex_program _HAVE_FULL_GL +#define FEATURE_ARB_fragment_program _HAVE_FULL_GL +#define FEATURE_ARB_occlusion_query _HAVE_FULL_GL +#define FEATURE_EXT_pixel_buffer_object _HAVE_FULL_GL +#define FEATURE_MESA_program_debug _HAVE_FULL_GL +#define FEATURE_NV_fence _HAVE_FULL_GL +#define FEATURE_NV_fragment_program _HAVE_FULL_GL +#define FEATURE_NV_vertex_program _HAVE_FULL_GL +#define FEATURE_userclip _HAVE_FULL_GL +#define FEATURE_texgen _HAVE_FULL_GL +#define FEATURE_windowpos _HAVE_FULL_GL + +/*@}*/ + + +#endif /* CONFIG_H */ diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c new file mode 100644 index 0000000..96c4369 --- /dev/null +++ b/src/mesa/main/context.c @@ -0,0 +1,2001 @@ +/** + * \file context.c + * Mesa context/visual/framebuffer management functions. + * \author Brian Paul + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \mainpage Mesa Main Module + * + * \section MainIntroduction Introduction + * + * The Mesa Main module consists of all the files in the main/ directory. + * Among the features of this module are: + * <UL> + * <LI> Structures to represent most GL state </LI> + * <LI> State set/get functions </LI> + * <LI> Display lists </LI> + * <LI> Texture unit, object and image handling </LI> + * <LI> Matrix and attribute stacks </LI> + * </UL> + * + * Other modules are responsible for API dispatch, vertex transformation, + * point/line/triangle setup, rasterization, vertex array caching, + * vertex/fragment programs/shaders, etc. + * + * + * \section AboutDoxygen About Doxygen + * + * If you're viewing this information as Doxygen-generated HTML you'll + * see the documentation index at the top of this page. + * + * The first line lists the Mesa source code modules. + * The second line lists the indexes available for viewing the documentation + * for each module. + * + * Selecting the <b>Main page</b> link will display a summary of the module + * (this page). + * + * Selecting <b>Data Structures</b> will list all C structures. + * + * Selecting the <b>File List</b> link will list all the source files in + * the module. + * Selecting a filename will show a list of all functions defined in that file. + * + * Selecting the <b>Data Fields</b> link will display a list of all + * documented structure members. + * + * Selecting the <b>Globals</b> link will display a list + * of all functions, structures, global variables and macros in the module. + * + */ + + +#include "glheader.h" +#include "imports.h" +#include "accum.h" +#include "attrib.h" +#include "blend.h" +#include "buffers.h" +#include "bufferobj.h" +#include "colortab.h" +#include "context.h" +#include "debug.h" +#include "depth.h" +#include "dlist.h" +#include "eval.h" +#include "enums.h" +#include "extensions.h" +#include "feedback.h" +#include "fog.h" +#include "get.h" +#include "glthread.h" +#include "glapioffsets.h" +#include "histogram.h" +#include "hint.h" +#include "hash.h" +#include "light.h" +#include "lines.h" +#include "macros.h" +#include "matrix.h" +#include "occlude.h" +#include "pixel.h" +#include "points.h" +#include "polygon.h" +#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program +#include "program.h" +#endif +#include "rastpos.h" +#include "simple_list.h" +#include "state.h" +#include "stencil.h" +#include "texcompress.h" +#include "teximage.h" +#include "texobj.h" +#include "texstate.h" +#include "mtypes.h" +#include "varray.h" +#include "vtxfmt.h" +#if _HAVE_FULL_GL +#include "math/m_translate.h" +#include "math/m_matrix.h" +#include "math/m_xform.h" +#include "math/mathmod.h" +#endif + +#ifdef USE_SPARC_ASM +#include "sparc/sparc.h" +#endif + +#ifndef MESA_VERBOSE +int MESA_VERBOSE = 0; +#endif + +#ifndef MESA_DEBUG_FLAGS +int MESA_DEBUG_FLAGS = 0; +#endif + + +/* ubyte -> float conversion */ +GLfloat _mesa_ubyte_to_float_color_tab[256]; + +static void +free_shared_state( GLcontext *ctx, struct gl_shared_state *ss ); + + +/**********************************************************************/ +/** \name OpenGL SI-style interface (new in Mesa 3.5) + * + * \if subset + * \note Most of these functions are never called in the Mesa subset. + * \endif + */ +/*@{*/ + +/** + * Destroy context callback. + * + * \param gc context. + * \return GL_TRUE on success, or GL_FALSE on failure. + * + * \ifnot subset + * Called by window system/device driver (via __GLexports::destroyCurrent) when + * the rendering context is to be destroyed. + * \endif + * + * Frees the context data and the context structure. + */ +GLboolean +_mesa_destroyContext(__GLcontext *gc) +{ + if (gc) { + _mesa_free_context_data(gc); + _mesa_free(gc); + } + return GL_TRUE; +} + +/** + * Unbind context callback. + * + * \param gc context. + * \return GL_TRUE on success, or GL_FALSE on failure. + * + * \ifnot subset + * Called by window system/device driver (via __GLexports::loseCurrent) + * when the rendering context is made non-current. + * \endif + * + * No-op + */ +GLboolean +_mesa_loseCurrent(__GLcontext *gc) +{ + /* XXX unbind context from thread */ + (void) gc; + return GL_TRUE; +} + +/** + * Bind context callback. + * + * \param gc context. + * \return GL_TRUE on success, or GL_FALSE on failure. + * + * \ifnot subset + * Called by window system/device driver (via __GLexports::makeCurrent) + * when the rendering context is made current. + * \endif + * + * No-op + */ +GLboolean +_mesa_makeCurrent(__GLcontext *gc) +{ + /* XXX bind context to thread */ + (void) gc; + return GL_TRUE; +} + +/** + * Share context callback. + * + * \param gc context. + * \param gcShare shared context. + * \return GL_TRUE on success, or GL_FALSE on failure. + * + * \ifnot subset + * Called by window system/device driver (via __GLexports::shareContext) + * \endif + * + * Update the shared context reference count, gl_shared_state::RefCount. + */ +GLboolean +_mesa_shareContext(__GLcontext *gc, __GLcontext *gcShare) +{ + if (gc && gcShare && gc->Shared && gcShare->Shared) { + gc->Shared->RefCount--; + if (gc->Shared->RefCount == 0) { + free_shared_state(gc, gc->Shared); + } + gc->Shared = gcShare->Shared; + gc->Shared->RefCount++; + return GL_TRUE; + } + else { + return GL_FALSE; + } +} + + +#if _HAVE_FULL_GL +/** + * Copy context callback. + */ +GLboolean +_mesa_copyContext(__GLcontext *dst, const __GLcontext *src, GLuint mask) +{ + if (dst && src) { + _mesa_copy_context( src, dst, mask ); + return GL_TRUE; + } + else { + return GL_FALSE; + } +} +#endif + +/** No-op */ +GLboolean +_mesa_forceCurrent(__GLcontext *gc) +{ + (void) gc; + return GL_TRUE; +} + +/** + * Windows/buffer resizing notification callback. + * + * \param gc GL context. + * \return GL_TRUE on success, or GL_FALSE on failure. + */ +GLboolean +_mesa_notifyResize(__GLcontext *gc) +{ + GLint x, y; + GLuint width, height; + __GLdrawablePrivate *d = gc->imports.getDrawablePrivate(gc); + if (!d || !d->getDrawableSize) + return GL_FALSE; + d->getDrawableSize( d, &x, &y, &width, &height ); + /* update viewport, resize software buffers, etc. */ + return GL_TRUE; +} + +/** + * Window/buffer destruction notification callback. + * + * \param gc GL context. + * + * Called when the context's window/buffer is going to be destroyed. + * + * No-op + */ +void +_mesa_notifyDestroy(__GLcontext *gc) +{ + /* Unbind from it. */ + (void) gc; +} + +/** + * Swap buffers notification callback. + * + * \param gc GL context. + * + * Called by window system just before swapping buffers. + * We have to finish any pending rendering. + */ +void +_mesa_notifySwapBuffers(__GLcontext *gc) +{ + FLUSH_VERTICES( gc, 0 ); +} + +/** No-op */ +struct __GLdispatchStateRec * +_mesa_dispatchExec(__GLcontext *gc) +{ + (void) gc; + return NULL; +} + +/** No-op */ +void +_mesa_beginDispatchOverride(__GLcontext *gc) +{ + (void) gc; +} + +/** No-op */ +void +_mesa_endDispatchOverride(__GLcontext *gc) +{ + (void) gc; +} + +/** + * \ifnot subset + * Setup the exports. + * + * The window system will call these functions when it needs Mesa to do + * something. + * + * \note Device drivers should override these functions! For example, + * the Xlib driver should plug in the XMesa*-style functions into this + * structure. The XMesa-style functions should then call the _mesa_* + * version of these functions. This is an approximation to OO design + * (inheritance and virtual functions). + * \endif + * + * \if subset + * No-op. + * + * \endif + */ +static void +_mesa_init_default_exports(__GLexports *exports) +{ +#if _HAVE_FULL_GL + exports->destroyContext = _mesa_destroyContext; + exports->loseCurrent = _mesa_loseCurrent; + exports->makeCurrent = _mesa_makeCurrent; + exports->shareContext = _mesa_shareContext; + exports->copyContext = _mesa_copyContext; + exports->forceCurrent = _mesa_forceCurrent; + exports->notifyResize = _mesa_notifyResize; + exports->notifyDestroy = _mesa_notifyDestroy; + exports->notifySwapBuffers = _mesa_notifySwapBuffers; + exports->dispatchExec = _mesa_dispatchExec; + exports->beginDispatchOverride = _mesa_beginDispatchOverride; + exports->endDispatchOverride = _mesa_endDispatchOverride; +#else + (void) exports; +#endif +} + +/** + * Exported OpenGL SI interface. + */ +__GLcontext * +__glCoreCreateContext(__GLimports *imports, __GLcontextModes *modes) +{ + GLcontext *ctx; + + ctx = (GLcontext *) (*imports->calloc)(NULL, 1, sizeof(GLcontext)); + if (ctx == NULL) { + return NULL; + } + + /* XXX doesn't work at this time */ + _mesa_initialize_context(ctx, modes, NULL, NULL, NULL); + ctx->imports = *imports; + + return ctx; +} + +/** + * Exported OpenGL SI interface. + */ +void +__glCoreNopDispatch(void) +{ +#if 0 + /* SI */ + __gl_dispatch = __glNopDispatchState; +#else + /* Mesa */ + _glapi_set_dispatch(NULL); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name GL Visual allocation/destruction */ +/**********************************************************************/ +/*@{*/ + +/** + * Allocates a GLvisual structure and initializes it via + * _mesa_initialize_visual(). + * + * \param rgbFlag GL_TRUE for RGB(A) mode, GL_FALSE for Color Index mode. + * \param dbFlag double buffering + * \param stereoFlag stereo buffer + * \param depthBits requested bits per depth buffer value. Any value in [0, 32] + * is acceptable but the actual depth type will be GLushort or GLuint as + * needed. + * \param stencilBits requested minimum bits per stencil buffer value + * \param accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits number of bits per color component in accum buffer. + * \param indexBits number of bits per pixel if \p rgbFlag is GL_FALSE + * \param redBits number of bits per color component in frame buffer for RGB(A) + * mode. We always use 8 in core Mesa though. + * \param greenBits same as above. + * \param blueBits same as above. + * \param alphaBits same as above. + * \param numSamples not really used. + * + * \return pointer to new GLvisual or NULL if requested parameters can't be + * met. + * + * \note Need to add params for level and numAuxBuffers (at least) + */ +GLvisual * +_mesa_create_visual( GLboolean rgbFlag, + GLboolean dbFlag, + GLboolean stereoFlag, + GLint redBits, + GLint greenBits, + GLint blueBits, + GLint alphaBits, + GLint indexBits, + GLint depthBits, + GLint stencilBits, + GLint accumRedBits, + GLint accumGreenBits, + GLint accumBlueBits, + GLint accumAlphaBits, + GLint numSamples ) +{ + GLvisual *vis = (GLvisual *) CALLOC( sizeof(GLvisual) ); + if (vis) { + if (!_mesa_initialize_visual(vis, rgbFlag, dbFlag, stereoFlag, + redBits, greenBits, blueBits, alphaBits, + indexBits, depthBits, stencilBits, + accumRedBits, accumGreenBits, + accumBlueBits, accumAlphaBits, + numSamples)) { + FREE(vis); + return NULL; + } + } + return vis; +} + +/** + * Makes some sanity checks and fills in the fields of the + * GLvisual structure with the given parameters. + * + * \return GL_TRUE on success, or GL_FALSE on failure. + * + * \sa _mesa_create_visual() above for the parameter description. + * + * \note Need to add params for level and numAuxBuffers (at least) + */ +GLboolean +_mesa_initialize_visual( GLvisual *vis, + GLboolean rgbFlag, + GLboolean dbFlag, + GLboolean stereoFlag, + GLint redBits, + GLint greenBits, + GLint blueBits, + GLint alphaBits, + GLint indexBits, + GLint depthBits, + GLint stencilBits, + GLint accumRedBits, + GLint accumGreenBits, + GLint accumBlueBits, + GLint accumAlphaBits, + GLint numSamples ) +{ + assert(vis); + + /* This is to catch bad values from device drivers not updated for + * Mesa 3.3. Some device drivers just passed 1. That's a REALLY + * bad value now (a 1-bit depth buffer!?!). + */ + assert(depthBits == 0 || depthBits > 1); + + if (depthBits < 0 || depthBits > 32) { + return GL_FALSE; + } + if (stencilBits < 0 || stencilBits > (GLint) (8 * sizeof(GLstencil))) { + return GL_FALSE; + } + if (accumRedBits < 0 || accumRedBits > (GLint) (8 * sizeof(GLaccum))) { + return GL_FALSE; + } + if (accumGreenBits < 0 || accumGreenBits > (GLint) (8 * sizeof(GLaccum))) { + return GL_FALSE; + } + if (accumBlueBits < 0 || accumBlueBits > (GLint) (8 * sizeof(GLaccum))) { + return GL_FALSE; + } + if (accumAlphaBits < 0 || accumAlphaBits > (GLint) (8 * sizeof(GLaccum))) { + return GL_FALSE; + } + + vis->rgbMode = rgbFlag; + vis->doubleBufferMode = dbFlag; + vis->stereoMode = stereoFlag; + + vis->redBits = redBits; + vis->greenBits = greenBits; + vis->blueBits = blueBits; + vis->alphaBits = alphaBits; + + vis->indexBits = indexBits; + vis->depthBits = depthBits; + vis->accumRedBits = (accumRedBits > 0) ? (8 * sizeof(GLaccum)) : 0; + vis->accumGreenBits = (accumGreenBits > 0) ? (8 * sizeof(GLaccum)) : 0; + vis->accumBlueBits = (accumBlueBits > 0) ? (8 * sizeof(GLaccum)) : 0; + vis->accumAlphaBits = (accumAlphaBits > 0) ? (8 * sizeof(GLaccum)) : 0; + vis->stencilBits = (stencilBits > 0) ? (8 * sizeof(GLstencil)) : 0; + + vis->haveAccumBuffer = accumRedBits > 0; + vis->haveDepthBuffer = depthBits > 0; + vis->haveStencilBuffer = stencilBits > 0; + + vis->numAuxBuffers = 0; + vis->level = 0; + vis->pixmapMode = 0; + vis->samples = numSamples; + + return GL_TRUE; +} + + +/** + * Destroy a visual and free its memory. + * + * \param vis visual. + * + * Frees the visual structure. + */ +void +_mesa_destroy_visual( GLvisual *vis ) +{ + FREE(vis); +} + +/*@}*/ + + +/**********************************************************************/ +/** \name GL Framebuffer allocation/destruction */ +/**********************************************************************/ +/*@{*/ + +/** + * Allocate a GLframebuffer structure and initializes it via + * _mesa_initialize_framebuffer(). + * + * A GLframebuffer is a structure which encapsulates the depth, stencil and + * accum buffers and related parameters. + * + * Note that the actual depth/stencil/accum/etc buffers are not allocated + * at this time. It's up to the device driver and/or swrast module to + * allocate them as needed. + * + * \param visual a GLvisual pointer (we copy the struct contents) + * \param softwareDepth create/use a software depth buffer? + * \param softwareStencil create/use a software stencil buffer? + * \param softwareAccum create/use a software accum buffer? + * \param softwareAlpha create/use a software alpha buffer? + * + * \return pointer to new GLframebuffer struct or NULL if error. + * + * \note Need to add softwareAuxBuffers parameter. + */ +GLframebuffer * +_mesa_create_framebuffer( const GLvisual *visual, + GLboolean softwareDepth, + GLboolean softwareStencil, + GLboolean softwareAccum, + GLboolean softwareAlpha ) +{ + GLframebuffer *buffer = CALLOC_STRUCT(gl_frame_buffer); + assert(visual); + if (buffer) { + _mesa_initialize_framebuffer(buffer, visual, + softwareDepth, softwareStencil, + softwareAccum, softwareAlpha ); + } + return buffer; +} + + +/** + * Makes some sanity checks and fills in the fields of the + * GLframebuffer structure with the given parameters. + * + * \sa _mesa_create_framebuffer() above for the parameter description. + */ +void +_mesa_initialize_framebuffer( GLframebuffer *buffer, + const GLvisual *visual, + GLboolean softwareDepth, + GLboolean softwareStencil, + GLboolean softwareAccum, + GLboolean softwareAlpha ) +{ + GLboolean softwareAux = GL_FALSE; + assert(buffer); + assert(visual); + + _mesa_bzero(buffer, sizeof(GLframebuffer)); + + /* sanity checks */ + if (softwareDepth ) { + assert(visual->depthBits > 0); + } + if (softwareStencil) { + assert(visual->stencilBits > 0); + } + if (softwareAccum) { + assert(visual->rgbMode); + assert(visual->accumRedBits > 0); + assert(visual->accumGreenBits > 0); + assert(visual->accumBlueBits > 0); + } + if (softwareAlpha) { + assert(visual->rgbMode); + assert(visual->alphaBits > 0); + } + + buffer->Visual = *visual; + buffer->UseSoftwareDepthBuffer = softwareDepth; + buffer->UseSoftwareStencilBuffer = softwareStencil; + buffer->UseSoftwareAccumBuffer = softwareAccum; + buffer->UseSoftwareAlphaBuffers = softwareAlpha; + buffer->UseSoftwareAuxBuffers = softwareAux; +} + + +/** + * Free a framebuffer struct and its buffers. + * + * Calls _mesa_free_framebuffer_data() and frees the structure. + */ +void +_mesa_destroy_framebuffer( GLframebuffer *buffer ) +{ + if (buffer) { + _mesa_free_framebuffer_data(buffer); + FREE(buffer); + } +} + + +/** + * Free the data hanging off of \p buffer, but not \p buffer itself. + * + * \param buffer framebuffer. + * + * Frees all the buffers associated with the structure. + */ +void +_mesa_free_framebuffer_data( GLframebuffer *buffer ) +{ + if (!buffer) + return; + + if (buffer->UseSoftwareDepthBuffer && buffer->DepthBuffer) { + MESA_PBUFFER_FREE( buffer->DepthBuffer ); + buffer->DepthBuffer = NULL; + } + if (buffer->UseSoftwareAccumBuffer && buffer->Accum) { + MESA_PBUFFER_FREE( buffer->Accum ); + buffer->Accum = NULL; + } + if (buffer->UseSoftwareStencilBuffer && buffer->Stencil) { + MESA_PBUFFER_FREE( buffer->Stencil ); + buffer->Stencil = NULL; + } + if (buffer->UseSoftwareAlphaBuffers){ + if (buffer->FrontLeftAlpha) { + MESA_PBUFFER_FREE( buffer->FrontLeftAlpha ); + buffer->FrontLeftAlpha = NULL; + } + if (buffer->BackLeftAlpha) { + MESA_PBUFFER_FREE( buffer->BackLeftAlpha ); + buffer->BackLeftAlpha = NULL; + } + if (buffer->FrontRightAlpha) { + MESA_PBUFFER_FREE( buffer->FrontRightAlpha ); + buffer->FrontRightAlpha = NULL; + } + if (buffer->BackRightAlpha) { + MESA_PBUFFER_FREE( buffer->BackRightAlpha ); + buffer->BackRightAlpha = NULL; + } + } +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Context allocation, initialization, destroying + * + * The purpose of the most initialization functions here is to provide the + * default state values according to the OpenGL specification. + */ +/**********************************************************************/ +/*@{*/ + +/** + * One-time initialization mutex lock. + * + * \sa Used by one_time_init(). + */ +_glthread_DECLARE_STATIC_MUTEX(OneTimeLock); + +/** + * Calls all the various one-time-init functions in Mesa. + * + * While holding a global mutex lock, calls several initialization functions, + * and sets the glapi callbacks if the \c MESA_DEBUG environment variable is + * defined. + * + * \sa _mesa_init_lists(), _math_init(). + */ +static void +one_time_init( GLcontext *ctx ) +{ + static GLboolean alreadyCalled = GL_FALSE; + (void) ctx; + _glthread_LOCK_MUTEX(OneTimeLock); + if (!alreadyCalled) { + GLuint i; + + /* do some implementation tests */ + assert( sizeof(GLbyte) == 1 ); + assert( sizeof(GLubyte) == 1 ); + assert( sizeof(GLshort) == 2 ); + assert( sizeof(GLushort) == 2 ); + assert( sizeof(GLint) == 4 ); + assert( sizeof(GLuint) == 4 ); + + _mesa_init_lists(); + +#if _HAVE_FULL_GL + _math_init(); + + for (i = 0; i < 256; i++) { + _mesa_ubyte_to_float_color_tab[i] = (float) i / 255.0F; + } +#endif + +#ifdef USE_SPARC_ASM + _mesa_init_sparc_glapi_relocs(); +#endif + if (_mesa_getenv("MESA_DEBUG")) { + _glapi_noop_enable_warnings(GL_TRUE); +#ifndef GLX_DIRECT_RENDERING + /* libGL from before 2002/06/28 don't have this function. Someday, + * when newer libGL libs are common, remove the #ifdef test. This + * only serves to print warnings when calling undefined GL functions. + */ + _glapi_set_warning_func( (_glapi_warning_func) _mesa_warning ); +#endif + } + else { + _glapi_noop_enable_warnings(GL_FALSE); + } + +#if defined(DEBUG) && defined(__DATE__) && defined(__TIME__) + _mesa_debug(ctx, "Mesa DEBUG build %s %s\n", __DATE__, __TIME__); +#endif + + alreadyCalled = GL_TRUE; + } + _glthread_UNLOCK_MUTEX(OneTimeLock); +} + + +/** + * Allocate and initialize a shared context state structure. + * Initializes the display list, texture objects and vertex programs hash + * tables, allocates the texture objects. If it runs out of memory, frees + * everything already allocated before returning NULL. + * + * \return pointer to a gl_shared_state structure on success, or NULL on + * failure. + */ +static GLboolean +alloc_shared_state( GLcontext *ctx ) +{ + struct gl_shared_state *ss = CALLOC_STRUCT(gl_shared_state); + if (!ss) + return GL_FALSE; + + ctx->Shared = ss; + + _glthread_INIT_MUTEX(ss->Mutex); + + ss->DisplayList = _mesa_NewHashTable(); + ss->TexObjects = _mesa_NewHashTable(); +#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program + ss->Programs = _mesa_NewHashTable(); +#endif + +#if FEATURE_ARB_vertex_program + ss->DefaultVertexProgram = ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0); + if (!ss->DefaultVertexProgram) + goto cleanup; +#endif +#if FEATURE_ARB_fragment_program + ss->DefaultFragmentProgram = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); + if (!ss->DefaultFragmentProgram) + goto cleanup; +#endif + + ss->BufferObjects = _mesa_NewHashTable(); + + ss->Default1D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D); + if (!ss->Default1D) + goto cleanup; + + ss->Default2D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D); + if (!ss->Default2D) + goto cleanup; + + ss->Default3D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_3D); + if (!ss->Default3D) + goto cleanup; + + ss->DefaultCubeMap = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_CUBE_MAP_ARB); + if (!ss->DefaultCubeMap) + goto cleanup; + + ss->DefaultRect = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_RECTANGLE_NV); + if (!ss->DefaultRect) + goto cleanup; + + /* Effectively bind the default textures to all texture units */ + ss->Default1D->RefCount += MAX_TEXTURE_IMAGE_UNITS; + ss->Default2D->RefCount += MAX_TEXTURE_IMAGE_UNITS; + ss->Default3D->RefCount += MAX_TEXTURE_IMAGE_UNITS; + ss->DefaultCubeMap->RefCount += MAX_TEXTURE_IMAGE_UNITS; + ss->DefaultRect->RefCount += MAX_TEXTURE_IMAGE_UNITS; + + return GL_TRUE; + + cleanup: + /* Ran out of memory at some point. Free everything and return NULL */ + if (ss->DisplayList) + _mesa_DeleteHashTable(ss->DisplayList); + if (ss->TexObjects) + _mesa_DeleteHashTable(ss->TexObjects); +#if FEATURE_NV_vertex_program + if (ss->Programs) + _mesa_DeleteHashTable(ss->Programs); +#endif +#if FEATURE_ARB_vertex_program + if (ss->DefaultVertexProgram) + ctx->Driver.DeleteProgram(ctx, ss->DefaultVertexProgram); +#endif +#if FEATURE_ARB_fragment_program + if (ss->DefaultFragmentProgram) + ctx->Driver.DeleteProgram(ctx, ss->DefaultFragmentProgram); +#endif +#if FEATURE_ARB_vertex_buffer_object + if (ss->BufferObjects) + _mesa_DeleteHashTable(ss->BufferObjects); +#endif + + if (ss->Default1D) + (*ctx->Driver.DeleteTexture)(ctx, ss->Default1D); + if (ss->Default2D) + (*ctx->Driver.DeleteTexture)(ctx, ss->Default2D); + if (ss->Default3D) + (*ctx->Driver.DeleteTexture)(ctx, ss->Default3D); + if (ss->DefaultCubeMap) + (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultCubeMap); + if (ss->DefaultRect) + (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultRect); + if (ss) + _mesa_free(ss); + return GL_FALSE; +} + +/** + * Deallocate a shared state context and all children structures. + * + * \param ctx GL context. + * \param ss shared state pointer. + * + * Frees the display lists, the texture objects (calling the driver texture + * deletion callback to free its private data) and the vertex programs, as well + * as their hash tables. + * + * \sa alloc_shared_state(). + */ +static void +free_shared_state( GLcontext *ctx, struct gl_shared_state *ss ) +{ + /* Free display lists */ + while (1) { + GLuint list = _mesa_HashFirstEntry(ss->DisplayList); + if (list) { + _mesa_destroy_list(ctx, list); + } + else { + break; + } + } + _mesa_DeleteHashTable(ss->DisplayList); + + /* Free texture objects */ + ASSERT(ctx->Driver.DeleteTexture); + /* the default textures */ + (*ctx->Driver.DeleteTexture)(ctx, ss->Default1D); + (*ctx->Driver.DeleteTexture)(ctx, ss->Default2D); + (*ctx->Driver.DeleteTexture)(ctx, ss->Default3D); + (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultCubeMap); + (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultRect); + /* all other textures */ + while (1) { + GLuint texName = _mesa_HashFirstEntry(ss->TexObjects); + if (texName) { + struct gl_texture_object *texObj = (struct gl_texture_object *) + _mesa_HashLookup(ss->TexObjects, texName); + ASSERT(texObj); + (*ctx->Driver.DeleteTexture)(ctx, texObj); + _mesa_HashRemove(ss->TexObjects, texName); + } + else { + break; + } + } + _mesa_DeleteHashTable(ss->TexObjects); + +#if FEATURE_NV_vertex_program + /* Free vertex programs */ + while (1) { + GLuint prog = _mesa_HashFirstEntry(ss->Programs); + if (prog) { + struct program *p = (struct program *) _mesa_HashLookup(ss->Programs, + prog); + ASSERT(p); + ctx->Driver.DeleteProgram(ctx, p); + _mesa_HashRemove(ss->Programs, prog); + } + else { + break; + } + } + _mesa_DeleteHashTable(ss->Programs); +#endif +#if FEATURE_ARB_vertex_program + _mesa_delete_program(ctx, ss->DefaultVertexProgram); +#endif +#if FEATURE_ARB_fragment_program + _mesa_delete_program(ctx, ss->DefaultFragmentProgram); +#endif + +#if FEATURE_ARB_vertex_buffer_object + _mesa_DeleteHashTable(ss->BufferObjects); +#endif + _glthread_DESTROY_MUTEX(ss->Mutex); + + FREE(ss); +} + + +/** + * Initialize fields of gl_current_attrib (aka ctx->Current.*) + */ +static void +_mesa_init_current( GLcontext *ctx ) +{ + GLuint i; + + /* Current group */ + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + ASSIGN_4V( ctx->Current.Attrib[i], 0.0, 0.0, 0.0, 1.0 ); + } + /* special cases: */ + ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_WEIGHT], 1.0, 0.0, 0.0, 1.0 ); + ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_NORMAL], 0.0, 0.0, 1.0, 1.0 ); + ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_COLOR0], 1.0, 1.0, 1.0, 1.0 ); + ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_COLOR1], 0.0, 0.0, 0.0, 1.0 ); + ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_FOG], 0.0, 0.0, 0.0, 0.0 ); + + ctx->Current.Index = 1; + ctx->Current.EdgeFlag = GL_TRUE; +} + + +/** + * Initialize fields of gl_constants (aka ctx->Const.*). + * Use defaults from config.h. The device drivers will often override + * some of these values (such as number of texture units). + */ +static void +_mesa_init_constants( GLcontext *ctx ) +{ + assert(ctx); + + assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS); + assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS); + + /* Constants, may be overriden by device drivers */ + ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS; + ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS; + ctx->Const.MaxCubeTextureLevels = MAX_CUBE_TEXTURE_LEVELS; + ctx->Const.MaxTextureRectSize = MAX_TEXTURE_RECT_SIZE; + ctx->Const.MaxTextureUnits = MAX_TEXTURE_UNITS; + ctx->Const.MaxTextureCoordUnits = MAX_TEXTURE_COORD_UNITS; + ctx->Const.MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; + ctx->Const.MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY; + ctx->Const.MaxTextureLodBias = MAX_TEXTURE_LOD_BIAS; + ctx->Const.MaxArrayLockSize = MAX_ARRAY_LOCK_SIZE; + ctx->Const.SubPixelBits = SUB_PIXEL_BITS; + ctx->Const.MinPointSize = MIN_POINT_SIZE; + ctx->Const.MaxPointSize = MAX_POINT_SIZE; + ctx->Const.MinPointSizeAA = MIN_POINT_SIZE; + ctx->Const.MaxPointSizeAA = MAX_POINT_SIZE; + ctx->Const.PointSizeGranularity = (GLfloat) POINT_SIZE_GRANULARITY; + ctx->Const.MinLineWidth = MIN_LINE_WIDTH; + ctx->Const.MaxLineWidth = MAX_LINE_WIDTH; + ctx->Const.MinLineWidthAA = MIN_LINE_WIDTH; + ctx->Const.MaxLineWidthAA = MAX_LINE_WIDTH; + ctx->Const.LineWidthGranularity = (GLfloat) LINE_WIDTH_GRANULARITY; + ctx->Const.MaxColorTableSize = MAX_COLOR_TABLE_SIZE; + ctx->Const.MaxConvolutionWidth = MAX_CONVOLUTION_WIDTH; + ctx->Const.MaxConvolutionHeight = MAX_CONVOLUTION_HEIGHT; + ctx->Const.MaxClipPlanes = MAX_CLIP_PLANES; + ctx->Const.MaxLights = MAX_LIGHTS; + ctx->Const.MaxSpotExponent = 128.0; + ctx->Const.MaxShininess = 128.0; +#if FEATURE_ARB_vertex_program + ctx->Const.MaxVertexProgramInstructions = MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS; + ctx->Const.MaxVertexProgramAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS; + ctx->Const.MaxVertexProgramTemps = MAX_NV_VERTEX_PROGRAM_TEMPS; + ctx->Const.MaxVertexProgramLocalParams = MAX_NV_VERTEX_PROGRAM_PARAMS; + ctx->Const.MaxVertexProgramEnvParams = MAX_NV_VERTEX_PROGRAM_PARAMS;/*XXX*/ + ctx->Const.MaxVertexProgramAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS; +#endif +#if FEATURE_ARB_fragment_program + ctx->Const.MaxFragmentProgramInstructions = MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS; + ctx->Const.MaxFragmentProgramAttribs = MAX_NV_FRAGMENT_PROGRAM_INPUTS; + ctx->Const.MaxFragmentProgramTemps = MAX_NV_FRAGMENT_PROGRAM_TEMPS; + ctx->Const.MaxFragmentProgramLocalParams = MAX_NV_FRAGMENT_PROGRAM_PARAMS; + ctx->Const.MaxFragmentProgramEnvParams = MAX_NV_FRAGMENT_PROGRAM_PARAMS;/*XXX*/ + ctx->Const.MaxFragmentProgramAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS; + ctx->Const.MaxFragmentProgramAluInstructions = MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS; + ctx->Const.MaxFragmentProgramTexInstructions = MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS; + ctx->Const.MaxFragmentProgramTexIndirections = MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS; +#endif + ctx->Const.MaxProgramMatrices = MAX_PROGRAM_MATRICES; + ctx->Const.MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH; + + /* If we're running in the X server, do bounds checking to prevent + * segfaults and server crashes! + */ +#if defined(XFree86LOADER) && defined(IN_MODULE) + ctx->Const.CheckArrayBounds = GL_TRUE; +#else + ctx->Const.CheckArrayBounds = GL_FALSE; +#endif + + ASSERT(ctx->Const.MaxTextureUnits == MAX2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits)); +} + + +/** + * Initialize the attribute groups in a GL context. + * + * \param ctx GL context. + * + * Initializes all the attributes, calling the respective <tt>init*</tt> + * functions for the more complex data structures. + */ +static GLboolean +init_attrib_groups( GLcontext *ctx ) +{ + assert(ctx); + + /* Constants */ + _mesa_init_constants( ctx ); + + /* Extensions */ + _mesa_init_extensions( ctx ); + + /* Attribute Groups */ + _mesa_init_accum( ctx ); + _mesa_init_attrib( ctx ); + _mesa_init_buffers( ctx ); + _mesa_init_buffer_objects( ctx ); + _mesa_init_color( ctx ); + _mesa_init_colortables( ctx ); + _mesa_init_current( ctx ); + _mesa_init_depth( ctx ); + _mesa_init_debug( ctx ); + _mesa_init_display_list( ctx ); + _mesa_init_eval( ctx ); + _mesa_init_feedback( ctx ); + _mesa_init_fog( ctx ); + _mesa_init_histogram( ctx ); + _mesa_init_hint( ctx ); + _mesa_init_line( ctx ); + _mesa_init_lighting( ctx ); + _mesa_init_matrix( ctx ); + _mesa_init_occlude( ctx ); + _mesa_init_pixel( ctx ); + _mesa_init_point( ctx ); + _mesa_init_polygon( ctx ); + _mesa_init_program( ctx ); + _mesa_init_rastpos( ctx ); + _mesa_init_stencil( ctx ); + _mesa_init_transform( ctx ); + _mesa_init_varray( ctx ); + _mesa_init_viewport( ctx ); + + if (!_mesa_init_texture( ctx )) + return GL_FALSE; + + _mesa_init_texture_s3tc( ctx ); + _mesa_init_texture_fxt1( ctx ); + + /* Miscellaneous */ + ctx->NewState = _NEW_ALL; + ctx->ErrorValue = (GLenum) GL_NO_ERROR; + ctx->_Facing = 0; +#if CHAN_TYPE == GL_FLOAT + ctx->ClampFragmentColors = GL_FALSE; /* XXX temporary */ +#else + ctx->ClampFragmentColors = GL_TRUE; +#endif + ctx->ClampVertexColors = GL_TRUE; + + return GL_TRUE; +} + + +/** + * If the DRI libGL.so library is old, it may not have the entrypoints for + * some recent OpenGL extensions. Dynamically add them now. + * If we're building stand-alone Mesa where libGL.so has both the dispatcher + * and driver code, this won't be an issue (and calling this function won't + * do any harm). + */ +static void +add_newer_entrypoints(void) +{ + unsigned i; + static const struct { + const char * const name; + unsigned offset; + } + newer_entrypoints[] = { + /* GL_ARB_window_pos aliases with GL_MESA_window_pos */ + { "glWindowPos2dARB", 513 }, + { "glWindowPos2dvARB", 514 }, + { "glWindowPos2fARB", 515 }, + { "glWindowPos2fvARB", 516 }, + { "glWindowPos2iARB", 517 }, + { "glWindowPos2ivARB", 518 }, + { "glWindowPos2sARB", 519 }, + { "glWindowPos2svARB", 520 }, + { "glWindowPos3dARB", 521 }, + { "glWindowPos3dvARB", 522 }, + { "glWindowPos3fARB", 523 }, + { "glWindowPos3fvARB", 524 }, + { "glWindowPos3iARB", 525 }, + { "glWindowPos3ivARB", 526 }, + { "glWindowPos3sARB", 527 }, + { "glWindowPos3svARB", 528 }, +#if FEATURE_NV_vertex_program + { "glAreProgramsResidentNV", 578 }, + { "glBindProgramNV", 579 }, + { "glDeleteProgramsNV", 580 }, + { "glExecuteProgramNV", 581 }, + { "glGenProgramsNV", 582 }, + { "glGetProgramParameterdvNV", 583 }, + { "glGetProgramParameterfvNV", 584 }, + { "glGetProgramivNV", 585 }, + { "glGetProgramStringNV", 586 }, + { "glGetTrackMatrixivNV", 587 }, + { "glGetVertexAttribdvNV", 588 }, + { "glGetVertexAttribfvNV", 589 }, + { "glGetVertexAttribivNV", 590 }, + { "glGetVertexAttribPointervNV", 591 }, + { "glIsProgramNV", 592 }, + { "glLoadProgramNV", 593 }, + { "glProgramParameter4dNV", 594 }, + { "glProgramParameter4dvNV", 595 }, + { "glProgramParameter4fNV", 596 }, + { "glProgramParameter4fvNV", 597 }, + { "glProgramParameters4dvNV", 598 }, + { "glProgramParameters4fvNV", 599 }, + { "glRequestResidentProgramsNV", 600 }, + { "glTrackMatrixNV", 601 }, + { "glVertexAttribPointerNV", 602 }, + { "glVertexAttrib1dNV", 603 }, + { "glVertexAttrib1dvNV", 604 }, + { "glVertexAttrib1fNV", 605 }, + { "glVertexAttrib1fvNV", 606 }, + { "glVertexAttrib1sNV", 607 }, + { "glVertexAttrib1svNV", 608 }, + { "glVertexAttrib2dNV", 609 }, + { "glVertexAttrib2dvNV", 610 }, + { "glVertexAttrib2fNV", 611 }, + { "glVertexAttrib2fvNV", 612 }, + { "glVertexAttrib2sNV", 613 }, + { "glVertexAttrib2svNV", 614 }, + { "glVertexAttrib3dNV", 615 }, + { "glVertexAttrib3dvNV", 616 }, + { "glVertexAttrib3fNV", 617 }, + { "glVertexAttrib3fvNV", 618 }, + { "glVertexAttrib3sNV", 619 }, + { "glVertexAttrib3svNV", 620 }, + { "glVertexAttrib4dNV", 621 }, + { "glVertexAttrib4dvNV", 622 }, + { "glVertexAttrib4fNV", 623 }, + { "glVertexAttrib4fvNV", 624 }, + { "glVertexAttrib4sNV", 625 }, + { "glVertexAttrib4svNV", 626 }, + { "glVertexAttrib4ubNV", 627 }, + { "glVertexAttrib4ubvNV", 628 }, + { "glVertexAttribs1dvNV", 629 }, + { "glVertexAttribs1fvNV", 630 }, + { "glVertexAttribs1svNV", 631 }, + { "glVertexAttribs2dvNV", 632 }, + { "glVertexAttribs2fvNV", 633 }, + { "glVertexAttribs2svNV", 634 }, + { "glVertexAttribs3dvNV", 635 }, + { "glVertexAttribs3fvNV", 636 }, + { "glVertexAttribs3svNV", 637 }, + { "glVertexAttribs4dvNV", 638 }, + { "glVertexAttribs4fvNV", 639 }, + { "glVertexAttribs4svNV", 640 }, + { "glVertexAttribs4ubvNV", 641 }, +#endif + { "glPointParameteriNV", 642 }, + { "glPointParameterivNV", 643 }, + { "glMultiDrawArraysEXT", 644 }, + { "glMultiDrawElementsEXT", 645 }, + { "glMultiDrawArraysSUN", _gloffset_MultiDrawArraysEXT }, + { "glMultiDrawElementsSUN", _gloffset_MultiDrawElementsEXT }, + { "glActiveStencilFaceEXT", 646 }, +#if FEATURE_NV_fence + { "glDeleteFencesNV", 647 }, + { "glGenFencesNV", 648 }, + { "glIsFenceNV", 649 }, + { "glTestFenceNV", 650 }, + { "glGetFenceivNV", 651 }, + { "glFinishFenceNV", 652 }, + { "glSetFenceNV", 653 }, +#endif +#if FEATURE_NV_fragment_program + { "glProgramNamedParameter4fNV", 682 }, + { "glProgramNamedParameter4dNV", 683 }, + { "glProgramNamedParameter4fvNV", 683 }, + { "glProgramNamedParameter4dvNV", 684 }, + { "glGetProgramNamedParameterfvNV", 685 }, + { "glGetProgramNamedParameterdvNV", 686 }, +#endif +#if FEATURE_ARB_vertex_program + { "glVertexAttrib1sARB", _gloffset_VertexAttrib1sNV }, + { "glVertexAttrib1fARB", _gloffset_VertexAttrib1fNV }, + { "glVertexAttrib1dARB", _gloffset_VertexAttrib1dNV }, + { "glVertexAttrib2sARB", _gloffset_VertexAttrib2sNV }, + { "glVertexAttrib2fARB", _gloffset_VertexAttrib2fNV }, + { "glVertexAttrib2dARB", _gloffset_VertexAttrib2dNV }, + { "glVertexAttrib3sARB", _gloffset_VertexAttrib3sNV }, + { "glVertexAttrib3fARB", _gloffset_VertexAttrib3fNV }, + { "glVertexAttrib3dARB", _gloffset_VertexAttrib3dNV }, + { "glVertexAttrib4sARB", _gloffset_VertexAttrib4sNV }, + { "glVertexAttrib4fARB", _gloffset_VertexAttrib4fNV }, + { "glVertexAttrib4dARB", _gloffset_VertexAttrib4dNV }, + { "glVertexAttrib4NubARB", _gloffset_VertexAttrib4ubNV }, + { "glVertexAttrib1svARB", _gloffset_VertexAttrib1svNV }, + { "glVertexAttrib1fvARB", _gloffset_VertexAttrib1fvNV }, + { "glVertexAttrib1dvARB", _gloffset_VertexAttrib1dvNV }, + { "glVertexAttrib2svARB", _gloffset_VertexAttrib2svNV }, + { "glVertexAttrib2fvARB", _gloffset_VertexAttrib2fvNV }, + { "glVertexAttrib2dvARB", _gloffset_VertexAttrib2dvNV }, + { "glVertexAttrib3svARB", _gloffset_VertexAttrib3svNV }, + { "glVertexAttrib3fvARB", _gloffset_VertexAttrib3fvNV }, + { "glVertexAttrib3dvARB", _gloffset_VertexAttrib3dvNV }, + { "glVertexAttrib4bvARB", _gloffset_VertexAttrib4bvARB }, + { "glVertexAttrib4svARB", _gloffset_VertexAttrib4svNV }, + { "glVertexAttrib4ivARB", _gloffset_VertexAttrib4ivARB }, + { "glVertexAttrib4ubvARB", _gloffset_VertexAttrib4ubvARB }, + { "glVertexAttrib4usvARB", _gloffset_VertexAttrib4usvARB }, + { "glVertexAttrib4uivARB", _gloffset_VertexAttrib4uivARB }, + { "glVertexAttrib4fvARB", _gloffset_VertexAttrib4fvNV }, + { "glVertexAttrib4dvARB", _gloffset_VertexAttrib4dvNV }, + { "glVertexAttrib4NbvARB", _gloffset_VertexAttrib4NbvARB }, + { "glVertexAttrib4NsvARB", _gloffset_VertexAttrib4NsvARB }, + { "glVertexAttrib4NivARB", _gloffset_VertexAttrib4NivARB }, + { "glVertexAttrib4NubvARB", _gloffset_VertexAttrib4ubvNV }, + { "glVertexAttrib4NusvARB", _gloffset_VertexAttrib4NusvARB }, + { "glVertexAttrib4NuivARB", _gloffset_VertexAttrib4NuivARB }, + { "glVertexAttribPointerARB", _gloffset_VertexAttribPointerARB }, + { "glEnableVertexAttribArrayARB", _gloffset_EnableVertexAttribArrayARB }, + { "glDisableVertexAttribArrayARB", _gloffset_DisableVertexAttribArrayARB }, + { "glProgramStringARB", _gloffset_ProgramStringARB }, + { "glBindProgramARB", _gloffset_BindProgramNV }, + { "glDeleteProgramsARB", _gloffset_DeleteProgramsNV }, + { "glGenProgramsARB", _gloffset_GenProgramsNV }, + { "glIsProgramARB", _gloffset_IsProgramNV }, + { "glProgramEnvParameter4dARB", _gloffset_ProgramEnvParameter4dARB }, + { "glProgramEnvParameter4dvARB", _gloffset_ProgramEnvParameter4dvARB }, + { "glProgramEnvParameter4fARB", _gloffset_ProgramEnvParameter4fARB }, + { "glProgramEnvParameter4fvARB", _gloffset_ProgramEnvParameter4fvARB }, + { "glProgramLocalParameter4dARB", _gloffset_ProgramLocalParameter4dARB }, + { "glProgramLocalParameter4dvARB", _gloffset_ProgramLocalParameter4dvARB }, + { "glProgramLocalParameter4fARB", _gloffset_ProgramLocalParameter4fARB }, + { "glProgramLocalParameter4fvARB", _gloffset_ProgramLocalParameter4fvARB }, + { "glGetProgramEnvParameterdvARB", _gloffset_GetProgramEnvParameterdvARB }, + { "glGetProgramEnvParameterfvARB", _gloffset_GetProgramEnvParameterfvARB }, + { "glGetProgramLocalParameterdvARB", _gloffset_GetProgramLocalParameterdvARB }, + { "glGetProgramLocalParameterfvARB", _gloffset_GetProgramLocalParameterfvARB }, + { "glGetProgramivARB", _gloffset_GetProgramivARB }, + { "glGetProgramStringARB", _gloffset_GetProgramStringARB }, + { "glGetVertexAttribdvARB", _gloffset_GetVertexAttribdvNV }, + { "glGetVertexAttribfvARB", _gloffset_GetVertexAttribfvNV }, + { "glGetVertexAttribivARB", _gloffset_GetVertexAttribivNV }, + { "glGetVertexAttribPointervARB", _gloffset_GetVertexAttribPointervNV }, +#endif + { "glMultiModeDrawArraysIBM", _gloffset_MultiModeDrawArraysIBM }, + { "glMultiModeDrawElementsIBM", _gloffset_MultiModeDrawElementsIBM }, + }; + + for ( i = 0 ; i < Elements(newer_entrypoints) ; i++ ) { + _glapi_add_entrypoint( newer_entrypoints[i].name, + newer_entrypoints[i].offset ); + } +} + + +/** + * Initialize a GLcontext struct (rendering context). + * + * This includes allocating all the other structs and arrays which hang off of + * the context by pointers. + * Note that the driver needs to pass in its dd_function_table here since + * we need to at least call driverFunctions->NewTextureObject to create the + * default texture objects. + * + * Called by _mesa_create_context(). + * + * Performs the imports and exports callback tables initialization, and + * miscellaneous one-time initializations. If no shared context is supplied one + * is allocated, and increase its reference count. Setups the GL API dispatch + * tables. Initialize the TNL module. Sets the maximum Z buffer depth. + * Finally queries the \c MESA_DEBUG and \c MESA_VERBOSE environment variables + * for debug flags. + * + * \param ctx the context to initialize + * \param visual describes the visual attributes for this context + * \param share_list points to context to share textures, display lists, + * etc with, or NULL + * \param driverFunctions table of device driver functions for this context + * to use + * \param driverContext pointer to driver-specific context data + */ +GLboolean +_mesa_initialize_context( GLcontext *ctx, + const GLvisual *visual, + GLcontext *share_list, + const struct dd_function_table *driverFunctions, + void *driverContext ) +{ + GLuint dispatchSize; + + ASSERT(driverContext); + assert(driverFunctions->NewTextureObject); + + /* If the driver wants core Mesa to use special imports, it'll have to + * override these defaults. + */ + _mesa_init_default_imports( &(ctx->imports), driverContext ); + + /* initialize the exports (Mesa functions called by the window system) */ + _mesa_init_default_exports( &(ctx->exports) ); + + /* misc one-time initializations */ + one_time_init(ctx); + + ctx->Visual = *visual; + ctx->DrawBuffer = NULL; + ctx->ReadBuffer = NULL; + + /* Plug in driver functions and context pointer here. + * This is important because when we call alloc_shared_state() below + * we'll call ctx->Driver.NewTextureObject() to create the default + * textures. + */ + ctx->Driver = *driverFunctions; + ctx->DriverCtx = driverContext; + + if (share_list) { + /* share state with another context */ + ctx->Shared = share_list->Shared; + } + else { + /* allocate new, unshared state */ + if (!alloc_shared_state( ctx )) { + return GL_FALSE; + } + } + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + ctx->Shared->RefCount++; + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + + if (!init_attrib_groups( ctx )) { + free_shared_state(ctx, ctx->Shared); + return GL_FALSE; + } + + /* libGL ABI coordination */ + add_newer_entrypoints(); + + /* Find the larger of Mesa's dispatch table and libGL's dispatch table. + * In practice, this'll be the same for stand-alone Mesa. But for DRI + * Mesa we do this to accomodate different versions of libGL and various + * DRI drivers. + */ + dispatchSize = MAX2(_glapi_get_dispatch_table_size(), + sizeof(struct _glapi_table) / sizeof(void *)); + + /* setup API dispatch tables */ + ctx->Exec = (struct _glapi_table *) CALLOC(dispatchSize * sizeof(void*)); + ctx->Save = (struct _glapi_table *) CALLOC(dispatchSize * sizeof(void*)); + if (!ctx->Exec || !ctx->Save) { + free_shared_state(ctx, ctx->Shared); + if (ctx->Exec) + FREE( ctx->Exec ); + } + _mesa_init_exec_table(ctx->Exec, dispatchSize); + ctx->CurrentDispatch = ctx->Exec; + +#if _HAVE_FULL_GL + _mesa_init_dlist_table(ctx->Save, dispatchSize); + _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt ); + + + /* Neutral tnl module stuff */ + _mesa_init_exec_vtxfmt( ctx ); + ctx->TnlModule.Current = NULL; + ctx->TnlModule.SwapCount = 0; +#endif + + return GL_TRUE; +} + + +/** + * Allocate and initialize a GLcontext structure. + * Note that the driver needs to pass in its dd_function_table here since + * we need to at least call driverFunctions->NewTextureObject to initialize + * the rendering context. + * + * \param visual a GLvisual pointer (we copy the struct contents) + * \param share_list another context to share display lists with or NULL + * \param driverFunctions points to the dd_function_table into which the + * driver has plugged in all its special functions. + * \param driverCtx points to the device driver's private context state + * + * \return pointer to a new __GLcontextRec or NULL if error. + */ +GLcontext * +_mesa_create_context( const GLvisual *visual, + GLcontext *share_list, + const struct dd_function_table *driverFunctions, + void *driverContext ) + +{ + GLcontext *ctx; + + ASSERT(visual); + ASSERT(driverContext); + + ctx = (GLcontext *) _mesa_calloc(sizeof(GLcontext)); + if (!ctx) + return NULL; + + if (_mesa_initialize_context(ctx, visual, share_list, + driverFunctions, driverContext)) { + return ctx; + } + else { + _mesa_free(ctx); + return NULL; + } +} + + +/** + * Free the data associated with the given context. + * + * But doesn't free the GLcontext struct itself. + * + * \sa _mesa_initialize_context() and init_attrib_groups(). + */ +void +_mesa_free_context_data( GLcontext *ctx ) +{ + /* if we're destroying the current context, unbind it first */ + if (ctx == _mesa_get_current_context()) { + _mesa_make_current(NULL, NULL); + } + + _mesa_free_lighting_data( ctx ); + _mesa_free_eval_data( ctx ); + _mesa_free_texture_data( ctx ); + _mesa_free_matrix_data( ctx ); + _mesa_free_viewport_data( ctx ); + _mesa_free_colortables_data( ctx ); + _mesa_free_program_data(ctx); + _mesa_free_occlude_data(ctx); + +#if FEATURE_ARB_vertex_buffer_object + _mesa_delete_buffer_object(ctx, ctx->Array.NullBufferObj); +#endif + + /* Shared context state (display lists, textures, etc) */ + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + ctx->Shared->RefCount--; + assert(ctx->Shared->RefCount >= 0); + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + if (ctx->Shared->RefCount == 0) { + /* free shared state */ + free_shared_state( ctx, ctx->Shared ); + } + + if (ctx->Extensions.String) + FREE((void *) ctx->Extensions.String); + + FREE(ctx->Exec); + FREE(ctx->Save); +} + + +/** + * Destroy a GLcontext structure. + * + * \param ctx GL context. + * + * Calls _mesa_free_context_data() and frees the GLcontext structure itself. + */ +void +_mesa_destroy_context( GLcontext *ctx ) +{ + if (ctx) { + _mesa_free_context_data(ctx); + FREE( (void *) ctx ); + } +} + + +#if _HAVE_FULL_GL +/** + * Copy attribute groups from one context to another. + * + * \param src source context + * \param dst destination context + * \param mask bitwise OR of GL_*_BIT flags + * + * According to the bits specified in \p mask, copies the corresponding + * attributes from \p src into \p dst. For many of the attributes a simple \c + * memcpy is not enough due to the existence of internal pointers in their data + * structures. + */ +void +_mesa_copy_context( const GLcontext *src, GLcontext *dst, GLuint mask ) +{ + if (mask & GL_ACCUM_BUFFER_BIT) { + /* OK to memcpy */ + dst->Accum = src->Accum; + } + if (mask & GL_COLOR_BUFFER_BIT) { + /* OK to memcpy */ + dst->Color = src->Color; + } + if (mask & GL_CURRENT_BIT) { + /* OK to memcpy */ + dst->Current = src->Current; + } + if (mask & GL_DEPTH_BUFFER_BIT) { + /* OK to memcpy */ + dst->Depth = src->Depth; + } + if (mask & GL_ENABLE_BIT) { + /* no op */ + } + if (mask & GL_EVAL_BIT) { + /* OK to memcpy */ + dst->Eval = src->Eval; + } + if (mask & GL_FOG_BIT) { + /* OK to memcpy */ + dst->Fog = src->Fog; + } + if (mask & GL_HINT_BIT) { + /* OK to memcpy */ + dst->Hint = src->Hint; + } + if (mask & GL_LIGHTING_BIT) { + GLuint i; + /* begin with memcpy */ + MEMCPY( &dst->Light, &src->Light, sizeof(struct gl_light) ); + /* fixup linked lists to prevent pointer insanity */ + make_empty_list( &(dst->Light.EnabledList) ); + for (i = 0; i < MAX_LIGHTS; i++) { + if (dst->Light.Light[i].Enabled) { + insert_at_tail(&(dst->Light.EnabledList), &(dst->Light.Light[i])); + } + } + } + if (mask & GL_LINE_BIT) { + /* OK to memcpy */ + dst->Line = src->Line; + } + if (mask & GL_LIST_BIT) { + /* OK to memcpy */ + dst->List = src->List; + } + if (mask & GL_PIXEL_MODE_BIT) { + /* OK to memcpy */ + dst->Pixel = src->Pixel; + } + if (mask & GL_POINT_BIT) { + /* OK to memcpy */ + dst->Point = src->Point; + } + if (mask & GL_POLYGON_BIT) { + /* OK to memcpy */ + dst->Polygon = src->Polygon; + } + if (mask & GL_POLYGON_STIPPLE_BIT) { + /* Use loop instead of MEMCPY due to problem with Portland Group's + * C compiler. Reported by John Stone. + */ + GLuint i; + for (i = 0; i < 32; i++) { + dst->PolygonStipple[i] = src->PolygonStipple[i]; + } + } + if (mask & GL_SCISSOR_BIT) { + /* OK to memcpy */ + dst->Scissor = src->Scissor; + } + if (mask & GL_STENCIL_BUFFER_BIT) { + /* OK to memcpy */ + dst->Stencil = src->Stencil; + } + if (mask & GL_TEXTURE_BIT) { + /* Cannot memcpy because of pointers */ + _mesa_copy_texture_state(src, dst); + } + if (mask & GL_TRANSFORM_BIT) { + /* OK to memcpy */ + dst->Transform = src->Transform; + } + if (mask & GL_VIEWPORT_BIT) { + /* Cannot use memcpy, because of pointers in GLmatrix _WindowMap */ + dst->Viewport.X = src->Viewport.X; + dst->Viewport.Y = src->Viewport.Y; + dst->Viewport.Width = src->Viewport.Width; + dst->Viewport.Height = src->Viewport.Height; + dst->Viewport.Near = src->Viewport.Near; + dst->Viewport.Far = src->Viewport.Far; + _math_matrix_copy(&dst->Viewport._WindowMap, &src->Viewport._WindowMap); + } + + /* XXX FIXME: Call callbacks? + */ + dst->NewState = _NEW_ALL; +} +#endif + + +/** + * Check if the given context can render into the given framebuffer + * by checking visual attributes. + * \return GL_TRUE if compatible, GL_FALSE otherwise. + */ +static GLboolean +check_compatible(const GLcontext *ctx, const GLframebuffer *buffer) +{ + const GLvisual *ctxvis = &ctx->Visual; + const GLvisual *bufvis = &buffer->Visual; + + if (ctxvis == bufvis) + return GL_TRUE; + + if (ctxvis->rgbMode != bufvis->rgbMode) + return GL_FALSE; + if (ctxvis->doubleBufferMode && !bufvis->doubleBufferMode) + return GL_FALSE; + if (ctxvis->stereoMode && !bufvis->stereoMode) + return GL_FALSE; + if (ctxvis->haveAccumBuffer && !bufvis->haveAccumBuffer) + return GL_FALSE; + if (ctxvis->haveDepthBuffer && !bufvis->haveDepthBuffer) + return GL_FALSE; + if (ctxvis->haveStencilBuffer && !bufvis->haveStencilBuffer) + return GL_FALSE; + if (ctxvis->redMask && ctxvis->redMask != bufvis->redMask) + return GL_FALSE; + if (ctxvis->greenMask && ctxvis->greenMask != bufvis->greenMask) + return GL_FALSE; + if (ctxvis->blueMask && ctxvis->blueMask != bufvis->blueMask) + return GL_FALSE; + if (ctxvis->depthBits && ctxvis->depthBits != bufvis->depthBits) + return GL_FALSE; + if (ctxvis->stencilBits && ctxvis->stencilBits != bufvis->stencilBits) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Set the current context, binding the given frame buffer to the context. + * + * \param newCtx new GL context. + * \param buffer framebuffer. + * + * Calls _mesa_make_current2() with \p buffer as read and write framebuffer. + */ +void +_mesa_make_current( GLcontext *newCtx, GLframebuffer *buffer ) +{ + _mesa_make_current2( newCtx, buffer, buffer ); +} + +/** + * Bind the given context to the given draw-buffer and read-buffer and + * make it the current context for this thread. + * + * \param newCtx new GL context. If NULL then there will be no current GL + * context. + * \param drawBuffer draw framebuffer. + * \param readBuffer read framebuffer. + * + * Check that the context's and framebuffer's visuals are compatible, returning + * immediately otherwise. Sets the glapi current context via + * _glapi_set_context(). If \p newCtx is not NULL, associates \p drawBuffer and + * \p readBuffer with it and calls dd_function_table::ResizeBuffers if the buffers size has changed. + * Calls dd_function_table::MakeCurrent callback if defined. + * + * When a context is bound by the first time and the \c MESA_INFO environment + * variable is set it calls print_info() as an aid for remote user + * troubleshooting. + */ +void +_mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer, + GLframebuffer *readBuffer ) +{ + if (MESA_VERBOSE) + _mesa_debug(newCtx, "_mesa_make_current2()\n"); + + /* Check that the context's and framebuffer's visuals are compatible. + */ + if (newCtx && drawBuffer && newCtx->DrawBuffer != drawBuffer) { + if (!check_compatible(newCtx, drawBuffer)) + return; + } + if (newCtx && readBuffer && newCtx->ReadBuffer != readBuffer) { + if (!check_compatible(newCtx, readBuffer)) + return; + } + + /* We call this function periodically (just here for now) in + * order to detect when multithreading has begun. + */ + _glapi_check_multithread(); + + _glapi_set_context((void *) newCtx); + ASSERT(_mesa_get_current_context() == newCtx); + + + if (!newCtx) { + _glapi_set_dispatch(NULL); /* none current */ + } + else { + _glapi_set_dispatch(newCtx->CurrentDispatch); + + if (drawBuffer && readBuffer) { + /* TODO: check if newCtx and buffer's visual match??? */ + newCtx->DrawBuffer = drawBuffer; + newCtx->ReadBuffer = readBuffer; + newCtx->NewState |= _NEW_BUFFERS; + +#if _HAVE_FULL_GL + if (drawBuffer->Width == 0 && drawBuffer->Height == 0) { + /* get initial window size */ + GLuint bufWidth, bufHeight; + + /* ask device driver for size of output buffer */ + (*newCtx->Driver.GetBufferSize)( drawBuffer, &bufWidth, &bufHeight ); + + if (drawBuffer->Width != bufWidth || + drawBuffer->Height != bufHeight) { + + drawBuffer->Width = bufWidth; + drawBuffer->Height = bufHeight; + + newCtx->Driver.ResizeBuffers( drawBuffer ); + } + } + + if (readBuffer != drawBuffer && + readBuffer->Width == 0 && readBuffer->Height == 0) { + /* get initial window size */ + GLuint bufWidth, bufHeight; + + /* ask device driver for size of output buffer */ + (*newCtx->Driver.GetBufferSize)( readBuffer, &bufWidth, &bufHeight ); + + if (readBuffer->Width != bufWidth || + readBuffer->Height != bufHeight) { + + readBuffer->Width = bufWidth; + readBuffer->Height = bufHeight; + + newCtx->Driver.ResizeBuffers( readBuffer ); + } + } +#endif + } + + /* Alert the driver - usually passed on to the sw t&l module, + * but also used to detect threaded cases in the radeon codegen + * hw t&l module. + */ + if (newCtx->Driver.MakeCurrent) + newCtx->Driver.MakeCurrent( newCtx, drawBuffer, readBuffer ); + + /* We can use this to help debug user's problems. Tell them to set + * the MESA_INFO env variable before running their app. Then the + * first time each context is made current we'll print some useful + * information. + */ + if (newCtx->FirstTimeCurrent) { + if (_mesa_getenv("MESA_INFO")) { + _mesa_print_info(); + } + newCtx->FirstTimeCurrent = GL_FALSE; + } + } +} + +/** + * Get current context for the calling thread. + * + * \return pointer to the current GL context. + * + * Calls _glapi_get_context(). This isn't the fastest way to get the current + * context. If you need speed, see the #GET_CURRENT_CONTEXT macro in context.h. + */ +GLcontext * +_mesa_get_current_context( void ) +{ + return (GLcontext *) _glapi_get_context(); +} + +/** + * Get context's current API dispatch table. + * + * It'll either be the immediate-mode execute dispatcher or the display list + * compile dispatcher. + * + * \param ctx GL context. + * + * \return pointer to dispatch_table. + * + * Simply returns __GLcontextRec::CurrentDispatch. + */ +struct _glapi_table * +_mesa_get_dispatch(GLcontext *ctx) +{ + return ctx->CurrentDispatch; +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Miscellaneous functions */ +/**********************************************************************/ +/*@{*/ + +/** + * Record an error. + * + * \param ctx GL context. + * \param error error code. + * + * Records the given error code and call the driver's dd_function_table::Error + * function if defined. + * + * \sa + * This is called via _mesa_error(). + */ +void +_mesa_record_error( GLcontext *ctx, GLenum error ) +{ + if (!ctx) + return; + + if (ctx->ErrorValue == GL_NO_ERROR) { + ctx->ErrorValue = error; + } + + /* Call device driver's error handler, if any. This is used on the Mac. */ + if (ctx->Driver.Error) { + (*ctx->Driver.Error)( ctx ); + } +} + +/** + * Execute glFinish(). + * + * Calls the #ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH macro and the + * dd_function_table::Finish driver callback, if not NULL. + */ +void GLAPIENTRY +_mesa_Finish( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + if (ctx->Driver.Finish) { + (*ctx->Driver.Finish)( ctx ); + } +} + +/** + * Execute glFlush(). + * + * Calls the #ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH macro and the + * dd_function_table::Flush driver callback, if not NULL. + */ +void GLAPIENTRY +_mesa_Flush( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + if (ctx->Driver.Flush) { + (*ctx->Driver.Flush)( ctx ); + } +} + + +/*@}*/ diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h new file mode 100644 index 0000000..c59a8b2 --- /dev/null +++ b/src/mesa/main/context.h @@ -0,0 +1,395 @@ +/** + * \file context.h + * Mesa context/visual/framebuffer management functions. + * + * There are three Mesa data types which are meant to be used by device + * drivers: + * - GLcontext: this contains the Mesa rendering state + * - GLvisual: this describes the color buffer (RGB vs. ci), whether or not + * there's a depth buffer, stencil buffer, etc. + * - GLframebuffer: contains pointers to the depth buffer, stencil buffer, + * accum buffer and alpha buffers. + * + * These types should be encapsulated by corresponding device driver + * data types. See xmesa.h and xmesaP.h for an example. + * + * In OOP terms, GLcontext, GLvisual, and GLframebuffer are base classes + * which the device driver must derive from. + * + * The following functions create and destroy these data types. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef CONTEXT_H +#define CONTEXT_H + + +#include "glapi.h" +#include "imports.h" +#include "mtypes.h" + + +/**********************************************************************/ +/** \name Create/destroy a GLvisual. */ +/*@{*/ + +extern GLvisual * +_mesa_create_visual( GLboolean rgbFlag, + GLboolean dbFlag, + GLboolean stereoFlag, + GLint redBits, + GLint greenBits, + GLint blueBits, + GLint alphaBits, + GLint indexBits, + GLint depthBits, + GLint stencilBits, + GLint accumRedBits, + GLint accumGreenBits, + GLint accumBlueBits, + GLint accumAlphaBits, + GLint numSamples ); + +extern GLboolean +_mesa_initialize_visual( GLvisual *v, + GLboolean rgbFlag, + GLboolean dbFlag, + GLboolean stereoFlag, + GLint redBits, + GLint greenBits, + GLint blueBits, + GLint alphaBits, + GLint indexBits, + GLint depthBits, + GLint stencilBits, + GLint accumRedBits, + GLint accumGreenBits, + GLint accumBlueBits, + GLint accumAlphaBits, + GLint numSamples ); + +extern void +_mesa_destroy_visual( GLvisual *vis ); + +/*@}*/ + + +/**********************************************************************/ +/** \name Create/destroy a GLframebuffer. */ +/*@{*/ + +extern GLframebuffer * +_mesa_create_framebuffer( const GLvisual *visual, + GLboolean softwareDepth, + GLboolean softwareStencil, + GLboolean softwareAccum, + GLboolean softwareAlpha ); + +extern void +_mesa_initialize_framebuffer( GLframebuffer *fb, + const GLvisual *visual, + GLboolean softwareDepth, + GLboolean softwareStencil, + GLboolean softwareAccum, + GLboolean softwareAlpha ); + +extern void +_mesa_free_framebuffer_data( GLframebuffer *buffer ); + +extern void +_mesa_destroy_framebuffer( GLframebuffer *buffer ); + +/*@}*/ + + +/**********************************************************************/ +/** \name Create/destroy a GLcontext. */ +/*@{*/ + +extern GLcontext * +_mesa_create_context( const GLvisual *visual, + GLcontext *share_list, + const struct dd_function_table *driverFunctions, + void *driverContext ); + +extern GLboolean +_mesa_initialize_context( GLcontext *ctx, + const GLvisual *visual, + GLcontext *share_list, + const struct dd_function_table *driverFunctions, + void *driverContext ); + +extern void +_mesa_free_context_data( GLcontext *ctx ); + +extern void +_mesa_destroy_context( GLcontext *ctx ); + + +extern void +_mesa_copy_context(const GLcontext *src, GLcontext *dst, GLuint mask); + + +extern void +_mesa_make_current( GLcontext *ctx, GLframebuffer *buffer ); + + +extern void +_mesa_make_current2( GLcontext *ctx, GLframebuffer *drawBuffer, + GLframebuffer *readBuffer ); + + +extern GLcontext * +_mesa_get_current_context(void); + +/*@}*/ + + +/** + * Macro for declaration and fetching the current context. + * + * \param C local variable which will hold the current context. + * + * It should be used in the variable declaration area of a function: + * \code + * ... + * { + * GET_CURRENT_CONTEXT(ctx); + * ... + * \endcode + */ +#ifdef THREADS + +#define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context()) + +#else + +#define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_Context + +#endif + + + +/**********************************************************************/ +/** \name OpenGL SI-style export functions. */ +/*@{*/ + +extern GLboolean +_mesa_destroyContext(__GLcontext *gc); + +extern GLboolean +_mesa_loseCurrent(__GLcontext *gc); + +extern GLboolean +_mesa_makeCurrent(__GLcontext *gc); + +extern GLboolean +_mesa_shareContext(__GLcontext *gc, __GLcontext *gcShare); + +extern GLboolean +_mesa_copyContext(__GLcontext *dst, const __GLcontext *src, GLuint mask); + +extern GLboolean +_mesa_forceCurrent(__GLcontext *gc); + +extern GLboolean +_mesa_notifyResize(__GLcontext *gc); + +extern void +_mesa_notifyDestroy(__GLcontext *gc); + +extern void +_mesa_notifySwapBuffers(__GLcontext *gc); + +extern struct __GLdispatchStateRec * +_mesa_dispatchExec(__GLcontext *gc); + +extern void +_mesa_beginDispatchOverride(__GLcontext *gc); + +extern void +_mesa_endDispatchOverride(__GLcontext *gc); + +/*@}*/ + + +extern struct _glapi_table * +_mesa_get_dispatch(GLcontext *ctx); + + + +/**********************************************************************/ +/** \name Miscellaneous */ +/*@{*/ + +extern void +_mesa_record_error( GLcontext *ctx, GLenum error ); + + +extern void GLAPIENTRY +_mesa_Finish( void ); + +extern void GLAPIENTRY +_mesa_Flush( void ); + +/*@}*/ + + + +/**********************************************************************/ +/** \name Macros for contexts/flushing. */ +/*@{*/ + + +/** + * Flush vertices. + * + * \param ctx GL context. + * \param newstate new state. + * + * Checks if dd_function_table::NeedFlush is marked to flush stored vertices, + * and calls dd_function_table::FlushVertices if so. Marks + * __GLcontextRec::NewState with \p newstate. + */ +#define FLUSH_VERTICES(ctx, newstate) \ +do { \ + if (MESA_VERBOSE & VERBOSE_STATE) \ + _mesa_debug(ctx, "FLUSH_VERTICES in %s\n", MESA_FUNCTION);\ + if (ctx->Driver.NeedFlush & FLUSH_STORED_VERTICES) \ + ctx->Driver.FlushVertices(ctx, FLUSH_STORED_VERTICES); \ + ctx->NewState |= newstate; \ +} while (0) + +/** + * Flush current state. + * + * \param ctx GL context. + * \param newstate new state. + * + * Checks if dd_function_table::NeedFlush is marked to flush current state, + * and calls dd_function_table::FlushVertices if so. Marks + * __GLcontextRec::NewState with \p newstate. + */ +#define FLUSH_CURRENT(ctx, newstate) \ +do { \ + if (MESA_VERBOSE & VERBOSE_STATE) \ + _mesa_debug(ctx, "FLUSH_CURRENT in %s\n", MESA_FUNCTION); \ + if (ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) \ + ctx->Driver.FlushVertices(ctx, FLUSH_UPDATE_CURRENT); \ + ctx->NewState |= newstate; \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair, with return value. + * + * \param ctx GL context. + * \param retval value to return value in case the assertion fails. + */ +#define ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval) \ +do { \ + if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \ + _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \ + return retval; \ + } \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair. + * + * \param ctx GL context. + */ +#define ASSERT_OUTSIDE_BEGIN_END(ctx) \ +do { \ + if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \ + _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \ + return; \ + } \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair and flush the vertices. + * + * \param ctx GL context. + */ +#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx) \ +do { \ + ASSERT_OUTSIDE_BEGIN_END(ctx); \ + FLUSH_VERTICES(ctx, 0); \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair and flush the vertices, with return value. + * + * \param ctx GL context. + * \param retval value to return value in case the assertion fails. + */ +#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, retval) \ +do { \ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval); \ + FLUSH_VERTICES(ctx, 0); \ +} while (0) + + +/*@}*/ + + + +/** + * Macros to help evaluate current state conditions + */ + +/*@{*/ + +/** + * Is the secondary color needed? + */ +#define NEED_SECONDARY_COLOR(CTX) \ + (((CTX)->Light.Enabled && \ + (CTX)->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) \ + || (CTX)->Fog.ColorSumEnabled \ + || ((CTX)->VertexProgram._Enabled && \ + ((CTX)->VertexProgram.Current->InputsRead & VERT_BIT_COLOR1)) \ + || ((CTX)->FragmentProgram._Enabled && \ + ((CTX)->FragmentProgram.Current->InputsRead & FRAG_BIT_COL1)) \ + ) + + +/** + * Is two-sided lighting in effect? + */ +#define NEED_TWO_SIDED_LIGHTING(CTX) \ + (ctx->Light.Enabled && ctx->Light.Model.TwoSide) + + +/*@}*/ + + +#endif diff --git a/src/mesa/main/convolve.c b/src/mesa/main/convolve.c new file mode 100644 index 0000000..cf4bddc --- /dev/null +++ b/src/mesa/main/convolve.c @@ -0,0 +1,1412 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * Image convolution functions. + * + * Notes: filter kernel elements are indexed by <n> and <m> as in + * the GL spec. + */ + + +#include "glheader.h" +#include "colormac.h" +#include "convolve.h" +#include "context.h" +#include "image.h" +#include "mtypes.h" +#include "state.h" + + +/* + * Given an internalFormat token passed to glConvolutionFilter + * or glSeparableFilter, return the corresponding base format. + * Return -1 if invalid token. + */ +static GLint +base_filter_format( GLenum format ) +{ + switch (format) { + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + return GL_ALPHA; + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return GL_LUMINANCE_ALPHA; + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + return GL_INTENSITY; + case GL_RGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return GL_RGB; + case 4: + case GL_RGBA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return GL_RGBA; + default: + return -1; /* error */ + } +} + + +void GLAPIENTRY +_mesa_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *image) +{ + GLint baseFormat; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target != GL_CONVOLUTION_1D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(target)"); + return; + } + + baseFormat = base_filter_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(internalFormat)"); + return; + } + + if (width < 0 || width > MAX_CONVOLUTION_WIDTH) { + _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter1D(width)"); + return; + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter1D(format or type)"); + return; + } + + if (format == GL_COLOR_INDEX || + format == GL_STENCIL_INDEX || + format == GL_DEPTH_COMPONENT || + format == GL_INTENSITY || + type == GL_BITMAP) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(format or type)"); + return; + } + + ctx->Convolution1D.Format = format; + ctx->Convolution1D.InternalFormat = internalFormat; + ctx->Convolution1D.Width = width; + ctx->Convolution1D.Height = 1; + + /* unpack filter image */ + _mesa_unpack_color_span_float(ctx, width, GL_RGBA, + ctx->Convolution1D.Filter, + format, type, image, &ctx->Unpack, + 0); /* transferOps */ + + /* apply scale and bias */ + { + const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[0]; + const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[0]; + GLint i; + for (i = 0; i < width; i++) { + GLfloat r = ctx->Convolution1D.Filter[i * 4 + 0]; + GLfloat g = ctx->Convolution1D.Filter[i * 4 + 1]; + GLfloat b = ctx->Convolution1D.Filter[i * 4 + 2]; + GLfloat a = ctx->Convolution1D.Filter[i * 4 + 3]; + r = r * scale[0] + bias[0]; + g = g * scale[1] + bias[1]; + b = b * scale[2] + bias[2]; + a = a * scale[3] + bias[3]; + ctx->Convolution1D.Filter[i * 4 + 0] = r; + ctx->Convolution1D.Filter[i * 4 + 1] = g; + ctx->Convolution1D.Filter[i * 4 + 2] = b; + ctx->Convolution1D.Filter[i * 4 + 3] = a; + } + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ConvolutionFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image) +{ + GLint baseFormat; + GLint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target != GL_CONVOLUTION_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(target)"); + return; + } + + baseFormat = base_filter_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(internalFormat)"); + return; + } + + if (width < 0 || width > MAX_CONVOLUTION_WIDTH) { + _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(width)"); + return; + } + if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) { + _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(height)"); + return; + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter2D(format or type)"); + return; + } + if (format == GL_COLOR_INDEX || + format == GL_STENCIL_INDEX || + format == GL_DEPTH_COMPONENT || + format == GL_INTENSITY || + type == GL_BITMAP) { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(format or type)"); + return; + } + + /* this should have been caught earlier */ + assert(_mesa_components_in_format(format)); + + ctx->Convolution2D.Format = format; + ctx->Convolution2D.InternalFormat = internalFormat; + ctx->Convolution2D.Width = width; + ctx->Convolution2D.Height = height; + + /* Unpack filter image. We always store filters in RGBA format. */ + for (i = 0; i < height; i++) { + const GLvoid *src = _mesa_image_address(&ctx->Unpack, image, width, + height, format, type, 0, i, 0); + GLfloat *dst = ctx->Convolution2D.Filter + i * width * 4; + _mesa_unpack_color_span_float(ctx, width, GL_RGBA, dst, + format, type, src, &ctx->Unpack, + 0); /* transferOps */ + } + + /* apply scale and bias */ + { + const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[1]; + const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[1]; + for (i = 0; i < width * height; i++) { + GLfloat r = ctx->Convolution2D.Filter[i * 4 + 0]; + GLfloat g = ctx->Convolution2D.Filter[i * 4 + 1]; + GLfloat b = ctx->Convolution2D.Filter[i * 4 + 2]; + GLfloat a = ctx->Convolution2D.Filter[i * 4 + 3]; + r = r * scale[0] + bias[0]; + g = g * scale[1] + bias[1]; + b = b * scale[2] + bias[2]; + a = a * scale[3] + bias[3]; + ctx->Convolution2D.Filter[i * 4 + 0] = r; + ctx->Convolution2D.Filter[i * 4 + 1] = g; + ctx->Convolution2D.Filter[i * 4 + 2] = b; + ctx->Convolution2D.Filter[i * 4 + 3] = a; + } + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat param) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint c; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + break; + case GL_CONVOLUTION_2D: + c = 1; + break; + case GL_SEPARABLE_2D: + c = 2; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_MODE: + if (param == (GLfloat) GL_REDUCE || + param == (GLfloat) GL_CONSTANT_BORDER || + param == (GLfloat) GL_REPLICATE_BORDER) { + ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) param; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(params)"); + return; + } + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(pname)"); + return; + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ConvolutionParameterfv(GLenum target, GLenum pname, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint c; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + break; + case GL_CONVOLUTION_2D: + c = 1; + break; + case GL_SEPARABLE_2D: + c = 2; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_COLOR: + COPY_4V(ctx->Pixel.ConvolutionBorderColor[c], params); + break; + case GL_CONVOLUTION_BORDER_MODE: + if (params[0] == (GLfloat) GL_REDUCE || + params[0] == (GLfloat) GL_CONSTANT_BORDER || + params[0] == (GLfloat) GL_REPLICATE_BORDER) { + ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(params)"); + return; + } + break; + case GL_CONVOLUTION_FILTER_SCALE: + COPY_4V(ctx->Pixel.ConvolutionFilterScale[c], params); + break; + case GL_CONVOLUTION_FILTER_BIAS: + COPY_4V(ctx->Pixel.ConvolutionFilterBias[c], params); + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(pname)"); + return; + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ConvolutionParameteri(GLenum target, GLenum pname, GLint param) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint c; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + break; + case GL_CONVOLUTION_2D: + c = 1; + break; + case GL_SEPARABLE_2D: + c = 2; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_MODE: + if (param == (GLint) GL_REDUCE || + param == (GLint) GL_CONSTANT_BORDER || + param == (GLint) GL_REPLICATE_BORDER) { + ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) param; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(params)"); + return; + } + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(pname)"); + return; + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint c; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + break; + case GL_CONVOLUTION_2D: + c = 1; + break; + case GL_SEPARABLE_2D: + c = 2; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_COLOR: + ctx->Pixel.ConvolutionBorderColor[c][0] = INT_TO_FLOAT(params[0]); + ctx->Pixel.ConvolutionBorderColor[c][1] = INT_TO_FLOAT(params[1]); + ctx->Pixel.ConvolutionBorderColor[c][2] = INT_TO_FLOAT(params[2]); + ctx->Pixel.ConvolutionBorderColor[c][3] = INT_TO_FLOAT(params[3]); + break; + case GL_CONVOLUTION_BORDER_MODE: + if (params[0] == (GLint) GL_REDUCE || + params[0] == (GLint) GL_CONSTANT_BORDER || + params[0] == (GLint) GL_REPLICATE_BORDER) { + ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(params)"); + return; + } + break; + case GL_CONVOLUTION_FILTER_SCALE: + /* COPY_4V(ctx->Pixel.ConvolutionFilterScale[c], params); */ + /* need cast to prevent compiler warnings */ + ctx->Pixel.ConvolutionFilterScale[c][0] = (GLfloat) params[0]; + ctx->Pixel.ConvolutionFilterScale[c][1] = (GLfloat) params[1]; + ctx->Pixel.ConvolutionFilterScale[c][2] = (GLfloat) params[2]; + ctx->Pixel.ConvolutionFilterScale[c][3] = (GLfloat) params[3]; + break; + case GL_CONVOLUTION_FILTER_BIAS: + /* COPY_4V(ctx->Pixel.ConvolutionFilterBias[c], params); */ + /* need cast to prevent compiler warnings */ + ctx->Pixel.ConvolutionFilterBias[c][0] = (GLfloat) params[0]; + ctx->Pixel.ConvolutionFilterBias[c][1] = (GLfloat) params[1]; + ctx->Pixel.ConvolutionFilterBias[c][2] = (GLfloat) params[2]; + ctx->Pixel.ConvolutionFilterBias[c][3] = (GLfloat) params[3]; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(pname)"); + return; + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width) +{ + GLint baseFormat; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target != GL_CONVOLUTION_1D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(target)"); + return; + } + + baseFormat = base_filter_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(internalFormat)"); + return; + } + + if (width < 0 || width > MAX_CONVOLUTION_WIDTH) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter1D(width)"); + return; + } + + ctx->Driver.CopyConvolutionFilter1D( ctx, target, + internalFormat, x, y, width); +} + + +void GLAPIENTRY +_mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height) +{ + GLint baseFormat; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target != GL_CONVOLUTION_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(target)"); + return; + } + + baseFormat = base_filter_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(internalFormat)"); + return; + } + + if (width < 0 || width > MAX_CONVOLUTION_WIDTH) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(width)"); + return; + } + if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(height)"); + return; + } + + ctx->Driver.CopyConvolutionFilter2D( ctx, target, internalFormat, x, y, + width, height ); + +} + + +void GLAPIENTRY +_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type, GLvoid *image) +{ + const struct gl_convolution_attrib *filter; + GLuint row; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionFilter(format or type)"); + return; + } + + if (format == GL_COLOR_INDEX || + format == GL_STENCIL_INDEX || + format == GL_DEPTH_COMPONENT || + format == GL_INTENSITY || + type == GL_BITMAP) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)"); + return; + } + + switch (target) { + case GL_CONVOLUTION_1D: + filter = &(ctx->Convolution1D); + break; + case GL_CONVOLUTION_2D: + filter = &(ctx->Convolution2D); + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(target)"); + return; + } + + for (row = 0; row < filter->Height; row++) { + GLvoid *dst = _mesa_image_address( &ctx->Pack, image, filter->Width, + filter->Height, format, type, + 0, row, 0); + const GLfloat *src = filter->Filter + row * filter->Width * 4; + _mesa_pack_rgba_span_float(ctx, filter->Width, + (const GLfloat (*)[4]) src, + format, type, dst, &ctx->Pack, 0); + } +} + + +void GLAPIENTRY +_mesa_GetConvolutionParameterfv(GLenum target, GLenum pname, GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + const struct gl_convolution_attrib *conv; + GLuint c; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + conv = &ctx->Convolution1D; + break; + case GL_CONVOLUTION_2D: + c = 1; + conv = &ctx->Convolution2D; + break; + case GL_SEPARABLE_2D: + c = 2; + conv = &ctx->Separable2D; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_COLOR: + COPY_4V(params, ctx->Pixel.ConvolutionBorderColor[c]); + break; + case GL_CONVOLUTION_BORDER_MODE: + *params = (GLfloat) ctx->Pixel.ConvolutionBorderMode[c]; + break; + case GL_CONVOLUTION_FILTER_SCALE: + COPY_4V(params, ctx->Pixel.ConvolutionFilterScale[c]); + break; + case GL_CONVOLUTION_FILTER_BIAS: + COPY_4V(params, ctx->Pixel.ConvolutionFilterBias[c]); + break; + case GL_CONVOLUTION_FORMAT: + *params = (GLfloat) conv->Format; + break; + case GL_CONVOLUTION_WIDTH: + *params = (GLfloat) conv->Width; + break; + case GL_CONVOLUTION_HEIGHT: + *params = (GLfloat) conv->Height; + break; + case GL_MAX_CONVOLUTION_WIDTH: + *params = (GLfloat) ctx->Const.MaxConvolutionWidth; + break; + case GL_MAX_CONVOLUTION_HEIGHT: + *params = (GLfloat) ctx->Const.MaxConvolutionHeight; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetConvolutionParameteriv(GLenum target, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + const struct gl_convolution_attrib *conv; + GLuint c; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (target) { + case GL_CONVOLUTION_1D: + c = 0; + conv = &ctx->Convolution1D; + break; + case GL_CONVOLUTION_2D: + c = 1; + conv = &ctx->Convolution2D; + break; + case GL_SEPARABLE_2D: + c = 2; + conv = &ctx->Separable2D; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv(target)"); + return; + } + + switch (pname) { + case GL_CONVOLUTION_BORDER_COLOR: + params[0] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][0]); + params[1] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][1]); + params[2] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][2]); + params[3] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][3]); + break; + case GL_CONVOLUTION_BORDER_MODE: + *params = (GLint) ctx->Pixel.ConvolutionBorderMode[c]; + break; + case GL_CONVOLUTION_FILTER_SCALE: + params[0] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][0]; + params[1] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][1]; + params[2] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][2]; + params[3] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][3]; + break; + case GL_CONVOLUTION_FILTER_BIAS: + params[0] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][0]; + params[1] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][1]; + params[2] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][2]; + params[3] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][3]; + break; + case GL_CONVOLUTION_FORMAT: + *params = (GLint) conv->Format; + break; + case GL_CONVOLUTION_WIDTH: + *params = (GLint) conv->Width; + break; + case GL_CONVOLUTION_HEIGHT: + *params = (GLint) conv->Height; + break; + case GL_MAX_CONVOLUTION_WIDTH: + *params = (GLint) ctx->Const.MaxConvolutionWidth; + break; + case GL_MAX_CONVOLUTION_HEIGHT: + *params = (GLint) ctx->Const.MaxConvolutionHeight; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type, GLvoid *row, GLvoid *column, GLvoid *span) +{ + const GLint colStart = MAX_CONVOLUTION_WIDTH * 4; + const struct gl_convolution_attrib *filter; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + if (target != GL_SEPARABLE_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetSeparableFilter(target)"); + return; + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionFilter(format or type)"); + return; + } + + if (format == GL_COLOR_INDEX || + format == GL_STENCIL_INDEX || + format == GL_DEPTH_COMPONENT || + format == GL_INTENSITY || + type == GL_BITMAP) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)"); + return; + } + + filter = &ctx->Separable2D; + + /* Row filter */ + { + GLvoid *dst = _mesa_image_address( &ctx->Pack, row, filter->Width, + filter->Height, format, type, + 0, 0, 0); + _mesa_pack_rgba_span_float(ctx, filter->Width, + (const GLfloat (*)[4]) filter->Filter, + format, type, dst, &ctx->Pack, 0); + } + + /* Column filter */ + { + GLvoid *dst = _mesa_image_address( &ctx->Pack, column, filter->Width, + 1, format, type, + 0, 0, 0); + const GLfloat *src = filter->Filter + colStart; + _mesa_pack_rgba_span_float(ctx, filter->Height, + (const GLfloat (*)[4]) src, + format, type, dst, &ctx->Pack, 0); + } + + (void) span; /* unused at this time */ +} + + +void GLAPIENTRY +_mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column) +{ + const GLint colStart = MAX_CONVOLUTION_WIDTH * 4; + GLint baseFormat; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target != GL_SEPARABLE_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(target)"); + return; + } + + baseFormat = base_filter_format(internalFormat); + if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(internalFormat)"); + return; + } + + if (width < 0 || width > MAX_CONVOLUTION_WIDTH) { + _mesa_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(width)"); + return; + } + if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) { + _mesa_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(height)"); + return; + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glSeparableFilter2D(format or type)"); + return; + } + + if (format == GL_COLOR_INDEX || + format == GL_STENCIL_INDEX || + format == GL_DEPTH_COMPONENT || + format == GL_INTENSITY || + type == GL_BITMAP) { + _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(format or type)"); + return; + } + + ctx->Separable2D.Format = format; + ctx->Separable2D.InternalFormat = internalFormat; + ctx->Separable2D.Width = width; + ctx->Separable2D.Height = height; + + /* unpack row filter */ + _mesa_unpack_color_span_float(ctx, width, GL_RGBA, + ctx->Separable2D.Filter, + format, type, row, &ctx->Unpack, + 0); /* transferOps */ + + /* apply scale and bias */ + { + const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2]; + const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2]; + GLint i; + for (i = 0; i < width; i++) { + GLfloat r = ctx->Separable2D.Filter[i * 4 + 0]; + GLfloat g = ctx->Separable2D.Filter[i * 4 + 1]; + GLfloat b = ctx->Separable2D.Filter[i * 4 + 2]; + GLfloat a = ctx->Separable2D.Filter[i * 4 + 3]; + r = r * scale[0] + bias[0]; + g = g * scale[1] + bias[1]; + b = b * scale[2] + bias[2]; + a = a * scale[3] + bias[3]; + ctx->Separable2D.Filter[i * 4 + 0] = r; + ctx->Separable2D.Filter[i * 4 + 1] = g; + ctx->Separable2D.Filter[i * 4 + 2] = b; + ctx->Separable2D.Filter[i * 4 + 3] = a; + } + } + + /* unpack column filter */ + _mesa_unpack_color_span_float(ctx, height, GL_RGBA, + &ctx->Separable2D.Filter[colStart], + format, type, column, &ctx->Unpack, + 0); /* transferOps */ + + /* apply scale and bias */ + { + const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2]; + const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2]; + GLint i; + for (i = 0; i < height; i++) { + GLfloat r = ctx->Separable2D.Filter[i * 4 + 0 + colStart]; + GLfloat g = ctx->Separable2D.Filter[i * 4 + 1 + colStart]; + GLfloat b = ctx->Separable2D.Filter[i * 4 + 2 + colStart]; + GLfloat a = ctx->Separable2D.Filter[i * 4 + 3 + colStart]; + r = r * scale[0] + bias[0]; + g = g * scale[1] + bias[1]; + b = b * scale[2] + bias[2]; + a = a * scale[3] + bias[3]; + ctx->Separable2D.Filter[i * 4 + 0 + colStart] = r; + ctx->Separable2D.Filter[i * 4 + 1 + colStart] = g; + ctx->Separable2D.Filter[i * 4 + 2 + colStart] = b; + ctx->Separable2D.Filter[i * 4 + 3 + colStart] = a; + } + } + + ctx->NewState |= _NEW_PIXEL; +} + + +/**********************************************************************/ +/*** image convolution functions ***/ +/**********************************************************************/ + +static void +convolve_1d_reduce(GLint srcWidth, const GLfloat src[][4], + GLint filterWidth, const GLfloat filter[][4], + GLfloat dest[][4]) +{ + GLint dstWidth; + GLint i, n; + + if (filterWidth >= 1) + dstWidth = srcWidth - (filterWidth - 1); + else + dstWidth = srcWidth; + + if (dstWidth <= 0) + return; /* null result */ + + for (i = 0; i < dstWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (n = 0; n < filterWidth; n++) { + sumR += src[i + n][RCOMP] * filter[n][RCOMP]; + sumG += src[i + n][GCOMP] * filter[n][GCOMP]; + sumB += src[i + n][BCOMP] * filter[n][BCOMP]; + sumA += src[i + n][ACOMP] * filter[n][ACOMP]; + } + dest[i][RCOMP] = sumR; + dest[i][GCOMP] = sumG; + dest[i][BCOMP] = sumB; + dest[i][ACOMP] = sumA; + } +} + + +static void +convolve_1d_constant(GLint srcWidth, const GLfloat src[][4], + GLint filterWidth, const GLfloat filter[][4], + GLfloat dest[][4], + const GLfloat borderColor[4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + GLint i, n; + + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (n = 0; n < filterWidth; n++) { + if (i + n < halfFilterWidth || i + n - halfFilterWidth >= srcWidth) { + sumR += borderColor[RCOMP] * filter[n][RCOMP]; + sumG += borderColor[GCOMP] * filter[n][GCOMP]; + sumB += borderColor[BCOMP] * filter[n][BCOMP]; + sumA += borderColor[ACOMP] * filter[n][ACOMP]; + } + else { + sumR += src[i + n - halfFilterWidth][RCOMP] * filter[n][RCOMP]; + sumG += src[i + n - halfFilterWidth][GCOMP] * filter[n][GCOMP]; + sumB += src[i + n - halfFilterWidth][BCOMP] * filter[n][BCOMP]; + sumA += src[i + n - halfFilterWidth][ACOMP] * filter[n][ACOMP]; + } + } + dest[i][RCOMP] = sumR; + dest[i][GCOMP] = sumG; + dest[i][BCOMP] = sumB; + dest[i][ACOMP] = sumA; + } +} + + +static void +convolve_1d_replicate(GLint srcWidth, const GLfloat src[][4], + GLint filterWidth, const GLfloat filter[][4], + GLfloat dest[][4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + GLint i, n; + + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (n = 0; n < filterWidth; n++) { + if (i + n < halfFilterWidth) { + sumR += src[0][RCOMP] * filter[n][RCOMP]; + sumG += src[0][GCOMP] * filter[n][GCOMP]; + sumB += src[0][BCOMP] * filter[n][BCOMP]; + sumA += src[0][ACOMP] * filter[n][ACOMP]; + } + else if (i + n - halfFilterWidth >= srcWidth) { + sumR += src[srcWidth - 1][RCOMP] * filter[n][RCOMP]; + sumG += src[srcWidth - 1][GCOMP] * filter[n][GCOMP]; + sumB += src[srcWidth - 1][BCOMP] * filter[n][BCOMP]; + sumA += src[srcWidth - 1][ACOMP] * filter[n][ACOMP]; + } + else { + sumR += src[i + n - halfFilterWidth][RCOMP] * filter[n][RCOMP]; + sumG += src[i + n - halfFilterWidth][GCOMP] * filter[n][GCOMP]; + sumB += src[i + n - halfFilterWidth][BCOMP] * filter[n][BCOMP]; + sumA += src[i + n - halfFilterWidth][ACOMP] * filter[n][ACOMP]; + } + } + dest[i][RCOMP] = sumR; + dest[i][GCOMP] = sumG; + dest[i][BCOMP] = sumB; + dest[i][ACOMP] = sumA; + } +} + + +static void +convolve_2d_reduce(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat filter[][4], + GLfloat dest[][4]) +{ + GLint dstWidth, dstHeight; + GLint i, j, n, m; + + if (filterWidth >= 1) + dstWidth = srcWidth - (filterWidth - 1); + else + dstWidth = srcWidth; + + if (filterHeight >= 1) + dstHeight = srcHeight - (filterHeight - 1); + else + dstHeight = srcHeight; + + if (dstWidth <= 0 || dstHeight <= 0) + return; + + for (j = 0; j < dstHeight; j++) { + for (i = 0; i < dstWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + const GLint k = (j + m) * srcWidth + i + n; + const GLint f = m * filterWidth + n; + sumR += src[k][RCOMP] * filter[f][RCOMP]; + sumG += src[k][GCOMP] * filter[f][GCOMP]; + sumB += src[k][BCOMP] * filter[f][BCOMP]; + sumA += src[k][ACOMP] * filter[f][ACOMP]; + } + } + dest[j * dstWidth + i][RCOMP] = sumR; + dest[j * dstWidth + i][GCOMP] = sumG; + dest[j * dstWidth + i][BCOMP] = sumB; + dest[j * dstWidth + i][ACOMP] = sumA; + } + } +} + + +static void +convolve_2d_constant(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat filter[][4], + GLfloat dest[][4], + const GLfloat borderColor[4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + const GLint halfFilterHeight = filterHeight / 2; + GLint i, j, n, m; + + for (j = 0; j < srcHeight; j++) { + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + const GLint f = m * filterWidth + n; + const GLint is = i + n - halfFilterWidth; + const GLint js = j + m - halfFilterHeight; + if (is < 0 || is >= srcWidth || + js < 0 || js >= srcHeight) { + sumR += borderColor[RCOMP] * filter[f][RCOMP]; + sumG += borderColor[GCOMP] * filter[f][GCOMP]; + sumB += borderColor[BCOMP] * filter[f][BCOMP]; + sumA += borderColor[ACOMP] * filter[f][ACOMP]; + } + else { + const GLint k = js * srcWidth + is; + sumR += src[k][RCOMP] * filter[f][RCOMP]; + sumG += src[k][GCOMP] * filter[f][GCOMP]; + sumB += src[k][BCOMP] * filter[f][BCOMP]; + sumA += src[k][ACOMP] * filter[f][ACOMP]; + } + } + } + dest[j * srcWidth + i][RCOMP] = sumR; + dest[j * srcWidth + i][GCOMP] = sumG; + dest[j * srcWidth + i][BCOMP] = sumB; + dest[j * srcWidth + i][ACOMP] = sumA; + } + } +} + + +static void +convolve_2d_replicate(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat filter[][4], + GLfloat dest[][4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + const GLint halfFilterHeight = filterHeight / 2; + GLint i, j, n, m; + + for (j = 0; j < srcHeight; j++) { + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + const GLint f = m * filterWidth + n; + GLint is = i + n - halfFilterWidth; + GLint js = j + m - halfFilterHeight; + GLint k; + if (is < 0) + is = 0; + else if (is >= srcWidth) + is = srcWidth - 1; + if (js < 0) + js = 0; + else if (js >= srcHeight) + js = srcHeight - 1; + k = js * srcWidth + is; + sumR += src[k][RCOMP] * filter[f][RCOMP]; + sumG += src[k][GCOMP] * filter[f][GCOMP]; + sumB += src[k][BCOMP] * filter[f][BCOMP]; + sumA += src[k][ACOMP] * filter[f][ACOMP]; + } + } + dest[j * srcWidth + i][RCOMP] = sumR; + dest[j * srcWidth + i][GCOMP] = sumG; + dest[j * srcWidth + i][BCOMP] = sumB; + dest[j * srcWidth + i][ACOMP] = sumA; + } + } +} + + +static void +convolve_sep_reduce(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat rowFilt[][4], + const GLfloat colFilt[][4], + GLfloat dest[][4]) +{ + GLint dstWidth, dstHeight; + GLint i, j, n, m; + + if (filterWidth >= 1) + dstWidth = srcWidth - (filterWidth - 1); + else + dstWidth = srcWidth; + + if (filterHeight >= 1) + dstHeight = srcHeight - (filterHeight - 1); + else + dstHeight = srcHeight; + + if (dstWidth <= 0 || dstHeight <= 0) + return; + + for (j = 0; j < dstHeight; j++) { + for (i = 0; i < dstWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + GLint k = (j + m) * srcWidth + i + n; + sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP]; + sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP]; + sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP]; + sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP]; + } + } + dest[j * dstWidth + i][RCOMP] = sumR; + dest[j * dstWidth + i][GCOMP] = sumG; + dest[j * dstWidth + i][BCOMP] = sumB; + dest[j * dstWidth + i][ACOMP] = sumA; + } + } +} + + +static void +convolve_sep_constant(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat rowFilt[][4], + const GLfloat colFilt[][4], + GLfloat dest[][4], + const GLfloat borderColor[4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + const GLint halfFilterHeight = filterHeight / 2; + GLint i, j, n, m; + + for (j = 0; j < srcHeight; j++) { + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + const GLint is = i + n - halfFilterWidth; + const GLint js = j + m - halfFilterHeight; + if (is < 0 || is >= srcWidth || + js < 0 || js >= srcHeight) { + sumR += borderColor[RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP]; + sumG += borderColor[GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP]; + sumB += borderColor[BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP]; + sumA += borderColor[ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP]; + } + else { + GLint k = js * srcWidth + is; + sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP]; + sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP]; + sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP]; + sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP]; + } + + } + } + dest[j * srcWidth + i][RCOMP] = sumR; + dest[j * srcWidth + i][GCOMP] = sumG; + dest[j * srcWidth + i][BCOMP] = sumB; + dest[j * srcWidth + i][ACOMP] = sumA; + } + } +} + + +static void +convolve_sep_replicate(GLint srcWidth, GLint srcHeight, + const GLfloat src[][4], + GLint filterWidth, GLint filterHeight, + const GLfloat rowFilt[][4], + const GLfloat colFilt[][4], + GLfloat dest[][4]) +{ + const GLint halfFilterWidth = filterWidth / 2; + const GLint halfFilterHeight = filterHeight / 2; + GLint i, j, n, m; + + for (j = 0; j < srcHeight; j++) { + for (i = 0; i < srcWidth; i++) { + GLfloat sumR = 0.0; + GLfloat sumG = 0.0; + GLfloat sumB = 0.0; + GLfloat sumA = 0.0; + for (m = 0; m < filterHeight; m++) { + for (n = 0; n < filterWidth; n++) { + GLint is = i + n - halfFilterWidth; + GLint js = j + m - halfFilterHeight; + GLint k; + if (is < 0) + is = 0; + else if (is >= srcWidth) + is = srcWidth - 1; + if (js < 0) + js = 0; + else if (js >= srcHeight) + js = srcHeight - 1; + k = js * srcWidth + is; + sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP]; + sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP]; + sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP]; + sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP]; + } + } + dest[j * srcWidth + i][RCOMP] = sumR; + dest[j * srcWidth + i][GCOMP] = sumG; + dest[j * srcWidth + i][BCOMP] = sumB; + dest[j * srcWidth + i][ACOMP] = sumA; + } + } +} + + + +void +_mesa_convolve_1d_image(const GLcontext *ctx, GLsizei *width, + const GLfloat *srcImage, GLfloat *dstImage) +{ + switch (ctx->Pixel.ConvolutionBorderMode[0]) { + case GL_REDUCE: + convolve_1d_reduce(*width, (const GLfloat (*)[4]) srcImage, + ctx->Convolution1D.Width, + (const GLfloat (*)[4]) ctx->Convolution1D.Filter, + (GLfloat (*)[4]) dstImage); + *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1); + break; + case GL_CONSTANT_BORDER: + convolve_1d_constant(*width, (const GLfloat (*)[4]) srcImage, + ctx->Convolution1D.Width, + (const GLfloat (*)[4]) ctx->Convolution1D.Filter, + (GLfloat (*)[4]) dstImage, + ctx->Pixel.ConvolutionBorderColor[0]); + break; + case GL_REPLICATE_BORDER: + convolve_1d_replicate(*width, (const GLfloat (*)[4]) srcImage, + ctx->Convolution1D.Width, + (const GLfloat (*)[4]) ctx->Convolution1D.Filter, + (GLfloat (*)[4]) dstImage); + break; + default: + ; + } +} + + +void +_mesa_convolve_2d_image(const GLcontext *ctx, GLsizei *width, GLsizei *height, + const GLfloat *srcImage, GLfloat *dstImage) +{ + switch (ctx->Pixel.ConvolutionBorderMode[1]) { + case GL_REDUCE: + convolve_2d_reduce(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Convolution2D.Width, + ctx->Convolution2D.Height, + (const GLfloat (*)[4]) ctx->Convolution2D.Filter, + (GLfloat (*)[4]) dstImage); + *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1); + *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1); + break; + case GL_CONSTANT_BORDER: + convolve_2d_constant(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Convolution2D.Width, + ctx->Convolution2D.Height, + (const GLfloat (*)[4]) ctx->Convolution2D.Filter, + (GLfloat (*)[4]) dstImage, + ctx->Pixel.ConvolutionBorderColor[1]); + break; + case GL_REPLICATE_BORDER: + convolve_2d_replicate(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Convolution2D.Width, + ctx->Convolution2D.Height, + (const GLfloat (*)[4])ctx->Convolution2D.Filter, + (GLfloat (*)[4]) dstImage); + break; + default: + ; + } +} + + +void +_mesa_convolve_sep_image(const GLcontext *ctx, + GLsizei *width, GLsizei *height, + const GLfloat *srcImage, GLfloat *dstImage) +{ + const GLfloat *rowFilter = ctx->Separable2D.Filter; + const GLfloat *colFilter = rowFilter + 4 * MAX_CONVOLUTION_WIDTH; + + switch (ctx->Pixel.ConvolutionBorderMode[2]) { + case GL_REDUCE: + convolve_sep_reduce(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Separable2D.Width, + ctx->Separable2D.Height, + (const GLfloat (*)[4]) rowFilter, + (const GLfloat (*)[4]) colFilter, + (GLfloat (*)[4]) dstImage); + *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1); + *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1); + break; + case GL_CONSTANT_BORDER: + convolve_sep_constant(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Separable2D.Width, + ctx->Separable2D.Height, + (const GLfloat (*)[4]) rowFilter, + (const GLfloat (*)[4]) colFilter, + (GLfloat (*)[4]) dstImage, + ctx->Pixel.ConvolutionBorderColor[2]); + break; + case GL_REPLICATE_BORDER: + convolve_sep_replicate(*width, *height, + (const GLfloat (*)[4]) srcImage, + ctx->Separable2D.Width, + ctx->Separable2D.Height, + (const GLfloat (*)[4]) rowFilter, + (const GLfloat (*)[4]) colFilter, + (GLfloat (*)[4]) dstImage); + break; + default: + ; + } +} + + + +/* + * This function computes an image's size after convolution. + * If the convolution border mode is GL_REDUCE, the post-convolution + * image will be smaller than the original. + */ +void +_mesa_adjust_image_for_convolution(const GLcontext *ctx, GLuint dimensions, + GLsizei *width, GLsizei *height) +{ + if (ctx->Pixel.Convolution1DEnabled + && dimensions == 1 + && ctx->Pixel.ConvolutionBorderMode[0] == GL_REDUCE) { + *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1); + } + else if (ctx->Pixel.Convolution2DEnabled + && dimensions > 1 + && ctx->Pixel.ConvolutionBorderMode[1] == GL_REDUCE) { + *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1); + *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1); + } + else if (ctx->Pixel.Separable2DEnabled + && dimensions > 1 + && ctx->Pixel.ConvolutionBorderMode[2] == GL_REDUCE) { + *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1); + *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1); + } +} diff --git a/src/mesa/main/convolve.h b/src/mesa/main/convolve.h new file mode 100644 index 0000000..4505cda --- /dev/null +++ b/src/mesa/main/convolve.h @@ -0,0 +1,114 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef CONVOLVE_H +#define CONVOLVE_H + + +#include "mtypes.h" + + +#if _HAVE_FULL_GL +extern void GLAPIENTRY +_mesa_ConvolutionFilter1D(GLenum target, GLenum internalformat, GLsizei width, + GLenum format, GLenum type, const GLvoid *image); + +extern void GLAPIENTRY +_mesa_ConvolutionFilter2D(GLenum target, GLenum internalformat, GLsizei width, + GLsizei height, GLenum format, GLenum type, + const GLvoid *image); + +extern void GLAPIENTRY +_mesa_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat params); + +extern void GLAPIENTRY +_mesa_ConvolutionParameterfv(GLenum target, GLenum pname, + const GLfloat *params); + +extern void GLAPIENTRY +_mesa_ConvolutionParameteri(GLenum target, GLenum pname, GLint params); + +extern void GLAPIENTRY +_mesa_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params); + +extern void GLAPIENTRY +_mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width); + +extern void GLAPIENTRY +_mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width, GLsizei height); + +extern void GLAPIENTRY +_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type, + GLvoid *image); + +extern void GLAPIENTRY +_mesa_GetConvolutionParameterfv(GLenum target, GLenum pname, GLfloat *params); + +extern void GLAPIENTRY +_mesa_GetConvolutionParameteriv(GLenum target, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type, + GLvoid *row, GLvoid *column, GLvoid *span); + +extern void GLAPIENTRY +_mesa_SeparableFilter2D(GLenum target, GLenum internalformat, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *row, const GLvoid *column); + + + +extern void +_mesa_convolve_1d_image(const GLcontext *ctx, GLsizei *width, + const GLfloat *srcImage, GLfloat *dstImage); + + +extern void +_mesa_convolve_2d_image(const GLcontext *ctx, GLsizei *width, GLsizei *height, + const GLfloat *srcImage, GLfloat *dstImage); + + +extern void +_mesa_convolve_sep_image(const GLcontext *ctx, + GLsizei *width, GLsizei *height, + const GLfloat *srcImage, GLfloat *dstImage); + + +extern void +_mesa_adjust_image_for_convolution(const GLcontext *ctx, GLuint dimensions, + GLsizei *width, GLsizei *height); + +#else +#define _mesa_adjust_image_for_convolution(c, d, w, h) ((void)0) +#define _mesa_convolve_1d_image(c,w,s,d) ((void)0) +#define _mesa_convolve_2d_image(c,w,h,s,d) ((void)0) +#define _mesa_convolve_sep_image(c,w,h,s,d) ((void)0) +#endif + +#endif diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h new file mode 100644 index 0000000..e314fd8 --- /dev/null +++ b/src/mesa/main/dd.h @@ -0,0 +1,993 @@ +/** + * \file dd.h + * Device driver interfaces. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef DD_INCLUDED +#define DD_INCLUDED + +/* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */ + +struct gl_pixelstore_attrib; + +/** + * Device driver function table. + * Core Mesa uses these function pointers to call into device drivers. + * Most of these functions directly correspond to OpenGL state commands. + * Core Mesa will call these functions after error checking has been done + * so that the drivers don't have to worry about error testing. + * + * Vertex transformation/clipping/lighting is patched into the T&L module. + * Rasterization functions are patched into the swrast module. + * + * Note: when new functions are added here, the drivers/common/driverfuncs.c + * file should be updated too!!! + */ +struct dd_function_table { + /** + * Return a string as needed by glGetString(). + * + * Only the GL_RENDERER token must be implemented. Otherwise, NULL can be + * returned. + */ + const GLubyte * (*GetString)( GLcontext *ctx, GLenum name ); + + /** + * Notify the driver after Mesa has made some internal state changes. + * + * This is in addition to any state change callbacks Mesa may already have + * made. + */ + void (*UpdateState)( GLcontext *ctx, GLuint new_state ); + + /** + * Get the width and height of the named buffer/window. + * + * Mesa uses this to determine when the driver's window size has changed. + */ + void (*GetBufferSize)( GLframebuffer *buffer, + GLuint *width, GLuint *height ); + + /** + * Resize the driver's depth/stencil/accum/back buffers to match the + * size given in the GLframebuffer struct. + * + * This is typically called when Mesa detects that a window size has changed. + */ + void (*ResizeBuffers)( GLframebuffer *buffer ); + + /** + * Called whenever an error is generated. + * + * __GLcontextRec::ErrorValue contains the error value. + */ + void (*Error)( GLcontext *ctx ); + + /** + * This is called whenever glFinish() is called. + */ + void (*Finish)( GLcontext *ctx ); + + /** + * This is called whenever glFlush() is called. + */ + void (*Flush)( GLcontext *ctx ); + + /** + * Clear the color/depth/stencil/accum buffer(s). + * + * \param mask a bitmask of the DD_*_BIT values defined above that indicates + * which buffers need to be cleared. + * \param all if true then clear the whole buffer, else clear only the + * region defined by <tt>(x, y, width, height)</tt>. + * + * This function must obey the glColorMask(), glIndexMask() and + * glStencilMask() settings! + * Software Mesa can do masked clears if the device driver can't. + */ + void (*Clear)( GLcontext *ctx, GLbitfield mask, GLboolean all, + GLint x, GLint y, GLint width, GLint height ); + + + /** + * \name For hardware accumulation buffer + */ + /*@{*/ + /** + * Execute glAccum command within the given scissor region. + */ + void (*Accum)( GLcontext *ctx, GLenum op, GLfloat value, + GLint xpos, GLint ypos, GLint width, GLint height ); + /*@}*/ + + + /** + * \name glDraw(), glRead(), glCopyPixels() and glBitmap() functions + */ + /*@{*/ + + /** + * This is called by glDrawPixels(). + * + * \p unpack describes how to unpack the source image data. + */ + void (*DrawPixels)( GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels ); + + /** + * Called by glReadPixels(). + */ + void (*ReadPixels)( GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + GLvoid *dest ); + + /** + * Do a glCopyPixels(). + * + * This function must respect all rasterization state, glPixelTransfer(), + * glPixelZoom(), etc. + */ + void (*CopyPixels)( GLcontext *ctx, + GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint dstx, GLint dsty, GLenum type ); + + /** + * This is called by glBitmap(). + * + * Works the same as dd_function_table::DrawPixels, above. + */ + void (*Bitmap)( GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap ); + /*@}*/ + + + /** + * \name Texture image functions + */ + /*@{*/ + + /** + * Choose texture format. + * + * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback + * functions. The driver should examine \p internalFormat and return a + * pointer to an appropriate gl_texture_format. + */ + const struct gl_texture_format *(*ChooseTextureFormat)( GLcontext *ctx, + GLint internalFormat, GLenum srcFormat, GLenum srcType ); + + /** + * Called by glTexImage1D(). + * + * \param target user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + * + * \p retainInternalCopy is returned by this function and indicates whether + * core Mesa should keep an internal copy of the texture image. + * + * Drivers should call a fallback routine from texstore.c if needed. + */ + void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexImage2D(). + * + * \sa dd_function_table::TexImage1D. + */ + void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexImage3D(). + * + * \sa dd_function_table::TexImage1D. + */ + void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage1D(). + * + * \param target user specified. + * \param level user specified. + * \param xoffset user specified. + * \param yoffset user specified. + * \param zoffset user specified. + * \param width user specified. + * \param height user specified. + * \param depth user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p border and \p internalFormat information. + * + * The driver should use a fallback routine from texstore.c if needed. + */ + void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage2D(). + * + * \sa dd_function_table::TexSubImage1D. + */ + void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage3D(). + * + * \sa dd_function_table::TexSubImage1D. + */ + void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLint depth, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glCopyTexImage1D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level, + GLenum internalFormat, GLint x, GLint y, + GLsizei width, GLint border ); + + /** + * Called by glCopyTexImage2D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level, + GLenum internalFormat, GLint x, GLint y, + GLsizei width, GLsizei height, GLint border ); + + /** + * Called by glCopyTexSubImage1D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, + GLint x, GLint y, GLsizei width ); + /** + * Called by glCopyTexSubImage2D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, + GLsizei width, GLsizei height ); + /** + * Called by glCopyTexSubImage3D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, + GLsizei width, GLsizei height ); + + /** + * Called by glTexImage[123]D when user specifies a proxy texture + * target. + * + * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails. + */ + GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target, + GLint level, GLint internalFormat, + GLenum format, GLenum type, + GLint width, GLint height, + GLint depth, GLint border); + /*@}*/ + + + /** + * \name Compressed texture functions + */ + /*@{*/ + + /** + * Called by glCompressedTexImage1D(). + * + * \param target user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + * + * \a retainInternalCopy is returned by this function and indicates whether + * core Mesa should keep an internal copy of the texture image. + */ + void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + /** + * Called by glCompressedTexImage2D(). + * + * \sa dd_function_table::CompressedTexImage1D. + */ + void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + /** + * Called by glCompressedTexImage3D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glCompressedTexSubImage1D(). + * + * \param target user specified. + * \param level user specified. + * \param xoffset user specified. + * \param yoffset user specified. + * \param zoffset user specified. + * \param width user specified. + * \param height user specified. + * \param depth user specified. + * \param imageSize user specified. + * \param data user specified. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + */ + void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + /** + * Called by glCompressedTexSubImage2D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLint height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + /** + * Called by glCompressedTexSubImage3D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLint height, GLint depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + /** + * Called to query number of bytes of storage needed to store the + * specified compressed texture. + */ + GLuint (*CompressedTextureSize)( GLcontext *ctx, GLsizei width, + GLsizei height, GLsizei depth, + GLenum format ); + /*@}*/ + + /** + * \name Texture object functions + */ + /*@{*/ + + /** + * Called by glBindTexture(). + */ + void (*BindTexture)( GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj ); + + /** + * Called to allocate a new texture object. + * A new gl_texture_object should be returned. The driver should + * attach to it any device-specific info it needs. + */ + struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name, + GLenum target ); + /** + * Called when a texture object is about to be deallocated. + * + * Driver should delete the gl_texture_object object and anything + * hanging off of it. + */ + void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj ); + + /** + * Called to allocate a new texture image object. + */ + struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx ); + + /** + * Called by glAreTextureResident(). + */ + GLboolean (*IsTextureResident)( GLcontext *ctx, + struct gl_texture_object *t ); + + /** + * Called by glPrioritizeTextures(). + */ + void (*PrioritizeTexture)( GLcontext *ctx, struct gl_texture_object *t, + GLclampf priority ); + + /** + * Called by glActiveTextureARB() to set current texture unit. + */ + void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber ); + + /** + * Called when the texture's color lookup table is changed. + * + * If \p tObj is NULL then the shared texture palette + * gl_texture_object::Palette is to be updated. + */ + void (*UpdateTexturePalette)( GLcontext *ctx, + struct gl_texture_object *tObj ); + /*@}*/ + + + /** + * \name Imaging functionality + */ + /*@{*/ + void (*CopyColorTable)( GLcontext *ctx, + GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width ); + + void (*CopyColorSubTable)( GLcontext *ctx, + GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width ); + + void (*CopyConvolutionFilter1D)( GLcontext *ctx, GLenum target, + GLenum internalFormat, + GLint x, GLint y, GLsizei width ); + + void (*CopyConvolutionFilter2D)( GLcontext *ctx, GLenum target, + GLenum internalFormat, + GLint x, GLint y, + GLsizei width, GLsizei height ); + /*@}*/ + + + /** + * \name Vertex/fragment program functions + */ + /*@{*/ + /** Bind a vertex/fragment program */ + void (*BindProgram)(GLcontext *ctx, GLenum target, struct program *prog); + /** Allocate a new program */ + struct program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id); + /** Delete a program */ + void (*DeleteProgram)(GLcontext *ctx, struct program *prog); + /** Notify driver that a program string has been specified. */ + void (*ProgramStringNotify)(GLcontext *ctx, GLenum target, + struct program *prog); + + + + /** Query if program can be loaded onto hardware */ + GLboolean (*IsProgramNative)(GLcontext *ctx, GLenum target, + struct program *prog); + + /*@}*/ + + + /** + * \name State-changing functions. + * + * \note drawing functions are above. + * + * These functions are called by their corresponding OpenGL API functions. + * They are \e also called by the gl_PopAttrib() function!!! + * May add more functions like these to the device driver in the future. + */ + /*@{*/ + /** Specify the alpha test function */ + void (*AlphaFunc)(GLcontext *ctx, GLenum func, GLfloat ref); + /** Set the blend color */ + void (*BlendColor)(GLcontext *ctx, const GLfloat color[4]); + /** Set the blend equation */ + void (*BlendEquationSeparate)(GLcontext *ctx, GLenum modeRGB, GLenum modeA); + /** Specify pixel arithmetic */ + void (*BlendFuncSeparate)(GLcontext *ctx, + GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA); + /** Specify clear values for the color buffers */ + void (*ClearColor)(GLcontext *ctx, const GLfloat color[4]); + /** Specify the clear value for the depth buffer */ + void (*ClearDepth)(GLcontext *ctx, GLclampd d); + /** Specify the clear value for the color index buffers */ + void (*ClearIndex)(GLcontext *ctx, GLuint index); + /** Specify the clear value for the stencil buffer */ + void (*ClearStencil)(GLcontext *ctx, GLint s); + /** Specify a plane against which all geometry is clipped */ + void (*ClipPlane)(GLcontext *ctx, GLenum plane, const GLfloat *equation ); + /** Enable and disable writing of frame buffer color components */ + void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask, + GLboolean bmask, GLboolean amask ); + /** Cause a material color to track the current color */ + void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode); + /** Specify whether front- or back-facing facets can be culled */ + void (*CullFace)(GLcontext *ctx, GLenum mode); + /** Define front- and back-facing polygons */ + void (*FrontFace)(GLcontext *ctx, GLenum mode); + /** Specify the value used for depth buffer comparisons */ + void (*DepthFunc)(GLcontext *ctx, GLenum func); + /** Enable or disable writing into the depth buffer */ + void (*DepthMask)(GLcontext *ctx, GLboolean flag); + /** Specify mapping of depth values from NDC to window coordinates */ + void (*DepthRange)(GLcontext *ctx, GLclampd nearval, GLclampd farval); + /** Specify the current buffer for writing */ + void (*DrawBuffer)( GLcontext *ctx, GLenum buffer ); + /** Enable or disable server-side gl capabilities */ + void (*Enable)(GLcontext *ctx, GLenum cap, GLboolean state); + /** Specify fog parameters */ + void (*Fogfv)(GLcontext *ctx, GLenum pname, const GLfloat *params); + /** Specify implementation-specific hints */ + void (*Hint)(GLcontext *ctx, GLenum target, GLenum mode); + /** Control the writing of individual bits in the color index buffers */ + void (*IndexMask)(GLcontext *ctx, GLuint mask); + /** Set light source parameters */ + void (*Lightfv)(GLcontext *ctx, GLenum light, + GLenum pname, const GLfloat *params ); + /** Set the lighting model parameters */ + void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params); + /** Specify the line stipple pattern */ + void (*LineStipple)(GLcontext *ctx, GLint factor, GLushort pattern ); + /** Specify the width of rasterized lines */ + void (*LineWidth)(GLcontext *ctx, GLfloat width); + /** Specify a logical pixel operation for color index rendering */ + void (*LogicOpcode)(GLcontext *ctx, GLenum opcode); + void (*PointParameterfv)(GLcontext *ctx, GLenum pname, + const GLfloat *params); + /** Specify the diameter of rasterized points */ + void (*PointSize)(GLcontext *ctx, GLfloat size); + /** Select a polygon rasterization mode */ + void (*PolygonMode)(GLcontext *ctx, GLenum face, GLenum mode); + /** Set the scale and units used to calculate depth values */ + void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units); + /** Set the polygon stippling pattern */ + void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask ); + /* Specifies the current buffer for reading */ + void (*ReadBuffer)( GLcontext *ctx, GLenum buffer ); + /** Set rasterization mode */ + void (*RenderMode)(GLcontext *ctx, GLenum mode ); + /** Define the scissor box */ + void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h); + /** Select flat or smooth shading */ + void (*ShadeModel)(GLcontext *ctx, GLenum mode); + /** Set function and reference value for stencil testing */ + void (*StencilFunc)(GLcontext *ctx, GLenum func, GLint ref, GLuint mask); + /** Control the writing of individual bits in the stencil planes */ + void (*StencilMask)(GLcontext *ctx, GLuint mask); + /** Set stencil test actions */ + void (*StencilOp)(GLcontext *ctx, GLenum fail, GLenum zfail, GLenum zpass); + void (*ActiveStencilFace)(GLcontext *ctx, GLuint face); + /** Control the generation of texture coordinates */ + void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname, + const GLfloat *params); + /** Set texture environment parameters */ + void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname, + const GLfloat *param); + /** Set texture parameters */ + void (*TexParameter)(GLcontext *ctx, GLenum target, + struct gl_texture_object *texObj, + GLenum pname, const GLfloat *params); + void (*TextureMatrix)(GLcontext *ctx, GLuint unit, const GLmatrix *mat); + /** Set the viewport */ + void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h); + /*@}*/ + + + /** + * \name Vertex array functions + * + * Called by the corresponding OpenGL functions. + */ + /*@{*/ + void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*NormalPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*FogCoordPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*IndexPointer)(GLcontext *ctx, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr); + void (*VertexAttribPointer)(GLcontext *ctx, GLuint index, GLint size, + GLenum type, GLsizei stride, const GLvoid *ptr); + void (*LockArraysEXT)( GLcontext *ctx, GLint first, GLsizei count ); + void (*UnlockArraysEXT)( GLcontext *ctx ); + /*@}*/ + + + /** + * \name State-query functions + * + * Return GL_TRUE if query was completed, GL_FALSE otherwise. + */ + /*@{*/ + /** Return the value or values of a selected parameter */ + GLboolean (*GetBooleanv)(GLcontext *ctx, GLenum pname, GLboolean *result); + /** Return the value or values of a selected parameter */ + GLboolean (*GetDoublev)(GLcontext *ctx, GLenum pname, GLdouble *result); + /** Return the value or values of a selected parameter */ + GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result); + /** Return the value or values of a selected parameter */ + GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result); + /** Return the value or values of a selected parameter */ + GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result); + /*@}*/ + + + /** + * \name Vertex buffer object functions + */ +#if FEATURE_ARB_vertex_buffer_object + /*@{*/ + void (*BindBuffer)( GLcontext *ctx, GLenum target, + struct gl_buffer_object *obj ); + + struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer, + GLenum target ); + + void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj ); + + void (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size, + const GLvoid *data, GLenum usage, + struct gl_buffer_object *obj ); + + void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, const GLvoid *data, + struct gl_buffer_object *obj ); + + void (*GetBufferSubData)( GLcontext *ctx, GLenum target, + GLintptrARB offset, GLsizeiptrARB size, + GLvoid *data, struct gl_buffer_object *obj ); + + void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access, + struct gl_buffer_object *obj ); + + GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target, + struct gl_buffer_object *obj ); + /*@}*/ +#endif + + /** + * \name Support for multiple T&L engines + */ + /*@{*/ + + /** + * Bitmask of state changes that require the current T&L module to be + * validated, using ValidateTnlModule() below. + */ + GLuint NeedValidate; + + /** + * Validate the current T&L module. + * + * This is called directly after UpdateState() when a state change that has + * occurred matches the dd_function_table::NeedValidate bitmask above. This + * ensures all computed values are up to date, thus allowing the driver to + * decide if the current T&L module needs to be swapped out. + * + * This must be non-NULL if a driver installs a custom T&L module and sets + * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise. + */ + void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state ); + + +#define PRIM_OUTSIDE_BEGIN_END GL_POLYGON+1 +#define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2 +#define PRIM_UNKNOWN GL_POLYGON+3 + + /** + * Set by the driver-supplied T&L engine. + * + * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd(). + */ + GLuint CurrentExecPrimitive; + + /** + * Current state of an in-progress compilation. + * + * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END, + * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above. + */ + GLuint CurrentSavePrimitive; + + +#define FLUSH_STORED_VERTICES 0x1 +#define FLUSH_UPDATE_CURRENT 0x2 + /** + * Set by the driver-supplied T&L engine whenever vertices are buffered + * between glBegin()/glEnd() objects or __GLcontextRec::Current is not + * updated. + * + * The dd_function_table::FlushVertices call below may be used to resolve + * these conditions. + */ + GLuint NeedFlush; + GLuint SaveNeedFlush; + + /** + * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if + * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered + * vertices, if FLUSH_UPDATE_CURRENT bit is set updates + * __GLcontextRec::Current and gl_light_attrib::Material + * + * Note that the default T&L engine never clears the + * FLUSH_UPDATE_CURRENT bit, even after performing the update. + */ + void (*FlushVertices)( GLcontext *ctx, GLuint flags ); + void (*SaveFlushVertices)( GLcontext *ctx ); + + /** + * Give the driver the opportunity to hook in its own vtxfmt for + * compiling optimized display lists. This is called on each valid + * glBegin() during list compilation. + */ + GLboolean (*NotifySaveBegin)( GLcontext *ctx, GLenum mode ); + + /** + * Notify driver that the special derived value _NeedEyeCoords has + * changed. + */ + void (*LightingSpaceChange)( GLcontext *ctx ); + + /** + * Let the T&L component know when the context becomes current. + */ + void (*MakeCurrent)( GLcontext *ctx, GLframebuffer *drawBuffer, + GLframebuffer *readBuffer ); + + /** + * Called by glNewList(). + * + * Let the T&L component know what is going on with display lists + * in time to make changes to dispatch tables, etc. + */ + void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode ); + /** + * Called by glEndList(). + * + * \sa dd_function_table::NewList. + */ + void (*EndList)( GLcontext *ctx ); + + /** + * Called by glCallList(s), but not recursively. + * + * Notify the T&L component before and after calling a display list. + * Called by glCallList(s), but not recursively. + */ + void (*BeginCallList)( GLcontext *ctx, GLuint list ); + /** + * Called by glEndCallList(). + * + * \sa dd_function_table::BeginCallList. + */ + void (*EndCallList)( GLcontext *ctx ); + +}; + + +/** + * Transform/Clip/Lighting interface + * + * Drivers present a reduced set of the functions possible in + * glBegin()/glEnd() objects. Core mesa provides translation stubs for the + * remaining functions to map down to these entry points. + * + * These are the initial values to be installed into dispatch by + * mesa. If the T&L driver wants to modify the dispatch table + * while installed, it must do so itself. It would be possible for + * the vertexformat to install it's own initial values for these + * functions, but this way there is an obvious list of what is + * expected of the driver. + * + * If the driver wants to hook in entry points other than those + * listed, it must restore them to their original values in + * the disable() callback, below. + */ +typedef struct { + /** + * \name Vertex + */ + /*@{*/ + void (GLAPIENTRYP ArrayElement)( GLint ); /* NOTE */ + void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Color3fv)( const GLfloat * ); + void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Color4fv)( const GLfloat * ); + void (GLAPIENTRYP EdgeFlag)( GLboolean ); + void (GLAPIENTRYP EdgeFlagv)( const GLboolean * ); + void (GLAPIENTRYP EvalCoord1f)( GLfloat ); /* NOTE */ + void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); /* NOTE */ + void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */ + void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); /* NOTE */ + void (GLAPIENTRYP EvalPoint1)( GLint ); /* NOTE */ + void (GLAPIENTRYP EvalPoint2)( GLint, GLint ); /* NOTE */ + void (GLAPIENTRYP FogCoordfEXT)( GLfloat ); + void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * ); + void (GLAPIENTRYP Indexf)( GLfloat ); + void (GLAPIENTRYP Indexfv)( const GLfloat * ); + void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */ + void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat ); + void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Normal3fv)( const GLfloat * ); + void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * ); + void (GLAPIENTRYP TexCoord1f)( GLfloat ); + void (GLAPIENTRYP TexCoord1fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord2fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord3fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord4fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex2fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex3fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex4fv)( const GLfloat * ); + void (GLAPIENTRYP CallList)( GLuint ); /* NOTE */ + void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * ); /* NOTE */ + void (GLAPIENTRYP Begin)( GLenum ); + void (GLAPIENTRYP End)( void ); + void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x ); + void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y ); + void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z ); + void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w ); + void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v ); + /*@}*/ + + /* + */ + void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat ); + + /** + * \name Array + */ + /*@{*/ + void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count ); + void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices ); + void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start, + GLuint end, GLsizei count, + GLenum type, const GLvoid *indices ); + /*@}*/ + + /** + * \name Eval + * + * If you don't support eval, fallback to the default vertex format + * on receiving an eval call and use the pipeline mechanism to + * provide partial T&L acceleration. + * + * Mesa will provide a set of helper functions to do eval within + * accelerated vertex formats, eventually... + */ + /*@{*/ + void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 ); + void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 ); + /*@}*/ + +} GLvertexformat; + + +#endif /* DD_INCLUDED */ diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c new file mode 100644 index 0000000..2be9d15 --- /dev/null +++ b/src/mesa/main/debug.c @@ -0,0 +1,218 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "mtypes.h" +#include "context.h" +#include "imports.h" +#include "debug.h" +#include "get.h" + +#if 0 +/** + * Primitive names + */ +const char *_mesa_prim_name[GL_POLYGON+4] = { + "GL_POINTS", + "GL_LINES", + "GL_LINE_LOOP", + "GL_LINE_STRIP", + "GL_TRIANGLES", + "GL_TRIANGLE_STRIP", + "GL_TRIANGLE_FAN", + "GL_QUADS", + "GL_QUAD_STRIP", + "GL_POLYGON", + "outside begin/end", + "inside unkown primitive", + "unknown state" +}; +#endif + +#ifdef MESA_DEBUG +void +_mesa_print_state( const char *msg, GLuint state ) +{ + _mesa_debug(NULL, + "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + msg, + state, + (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "", + (state & _NEW_PROJECTION) ? "ctx->Projection, " : "", + (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "", + (state & _NEW_COLOR_MATRIX) ? "ctx->ColorMatrix, " : "", + (state & _NEW_ACCUM) ? "ctx->Accum, " : "", + (state & _NEW_COLOR) ? "ctx->Color, " : "", + (state & _NEW_DEPTH) ? "ctx->Depth, " : "", + (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "", + (state & _NEW_FOG) ? "ctx->Fog, " : "", + (state & _NEW_HINT) ? "ctx->Hint, " : "", + (state & _NEW_LIGHT) ? "ctx->Light, " : "", + (state & _NEW_LINE) ? "ctx->Line, " : "", + (state & _NEW_PIXEL) ? "ctx->Pixel, " : "", + (state & _NEW_POINT) ? "ctx->Point, " : "", + (state & _NEW_POLYGON) ? "ctx->Polygon, " : "", + (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "", + (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "", + (state & _NEW_TEXTURE) ? "ctx->Texture, " : "", + (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "", + (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "", + (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "", + (state & _NEW_ARRAY) ? "ctx->Array, " : "", + (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "", + (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : ""); +} + + + +void +_mesa_print_tri_caps( const char *name, GLuint flags ) +{ + _mesa_debug(NULL, + "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + name, + flags, + (flags & DD_FLATSHADE) ? "flat-shade, " : "", + (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "", + (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "", + (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "", + (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "", + (flags & DD_TRI_OFFSET) ? "tri-offset, " : "", + (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "", + (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "", + (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "", + (flags & DD_LINE_WIDTH) ? "line-wide, " : "", + (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "", + (flags & DD_POINT_SIZE) ? "point-size, " : "", + (flags & DD_POINT_ATTEN) ? "point-atten, " : "", + (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : "" + ); +} +#endif + + +/** + * Print information about this Mesa version and build options. + */ +void _mesa_print_info( void ) +{ + _mesa_debug(NULL, "Mesa GL_VERSION = %s\n", + (char *) _mesa_GetString(GL_VERSION)); + _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n", + (char *) _mesa_GetString(GL_RENDERER)); + _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n", + (char *) _mesa_GetString(GL_VENDOR)); + _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n", + (char *) _mesa_GetString(GL_EXTENSIONS)); +#if defined(THREADS) + _mesa_debug(NULL, "Mesa thread-safe: YES\n"); +#else + _mesa_debug(NULL, "Mesa thread-safe: NO\n"); +#endif +#if defined(USE_X86_ASM) + _mesa_debug(NULL, "Mesa x86-optimized: YES\n"); +#else + _mesa_debug(NULL, "Mesa x86-optimized: NO\n"); +#endif +#if defined(USE_SPARC_ASM) + _mesa_debug(NULL, "Mesa sparc-optimized: YES\n"); +#else + _mesa_debug(NULL, "Mesa sparc-optimized: NO\n"); +#endif +} + + +/** + * Set the debugging flags. + * + * \param debug debug string + * + * If compiled with debugging support then search for keywords in \p debug and + * enables the verbose debug output of the respective feature. + */ +static void add_debug_flags( const char *debug ) +{ +#ifdef MESA_DEBUG + if (_mesa_strstr(debug, "varray")) + MESA_VERBOSE |= VERBOSE_VARRAY; + + if (_mesa_strstr(debug, "tex")) + MESA_VERBOSE |= VERBOSE_TEXTURE; + + if (_mesa_strstr(debug, "imm")) + MESA_VERBOSE |= VERBOSE_IMMEDIATE; + + if (_mesa_strstr(debug, "pipe")) + MESA_VERBOSE |= VERBOSE_PIPELINE; + + if (_mesa_strstr(debug, "driver")) + MESA_VERBOSE |= VERBOSE_DRIVER; + + if (_mesa_strstr(debug, "state")) + MESA_VERBOSE |= VERBOSE_STATE; + + if (_mesa_strstr(debug, "api")) + MESA_VERBOSE |= VERBOSE_API; + + if (_mesa_strstr(debug, "list")) + MESA_VERBOSE |= VERBOSE_DISPLAY_LIST; + + if (_mesa_strstr(debug, "lighting")) + MESA_VERBOSE |= VERBOSE_LIGHTING; + + /* Debug flag: + */ + if (_mesa_strstr(debug, "flush")) + MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH; +#else + (void) debug; +#endif +} + + +void +_mesa_init_debug( GLcontext *ctx ) +{ + char *c; + + /* For debug/development only */ + ctx->FirstTimeCurrent = GL_TRUE; + + /* Dither disable */ + ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE; + if (ctx->NoDither) { + if (_mesa_getenv("MESA_DEBUG")) { + _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n"); + } + ctx->Color.DitherFlag = GL_FALSE; + } + + c = _mesa_getenv("MESA_DEBUG"); + if (c) + add_debug_flags(c); + + c = _mesa_getenv("MESA_VERBOSE"); + if (c) + add_debug_flags(c); +} + diff --git a/src/mesa/main/debug.h b/src/mesa/main/debug.h new file mode 100644 index 0000000..94d99c3 --- /dev/null +++ b/src/mesa/main/debug.h @@ -0,0 +1,60 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file debug.h + * Debugging functions. + * + * \if subset + * (No-op) + * + * \endif + */ + + +#ifndef _DEBUG_H +#define _DEBUG_H + +#if _HAVE_FULL_GL + +extern void _mesa_print_tri_caps( const char *name, GLuint flags ); +extern void _mesa_print_enable_flags( const char *msg, GLuint flags ); +extern void _mesa_print_state( const char *msg, GLuint state ); +extern void _mesa_print_info( void ); +extern void _mesa_init_debug( GLcontext *ctx ); + +#else + +/** No-op */ +#define _mesa_print_state( m, s ) ((void)0) + +/** No-op */ +#define _mesa_print_info() ((void)0) + +/** No-op */ +#define _mesa_init_debug( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/depth.c b/src/mesa/main/depth.c new file mode 100644 index 0000000..d92423d --- /dev/null +++ b/src/mesa/main/depth.c @@ -0,0 +1,180 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "depth.h" +#include "enums.h" +#include "hash.h" +#include "macros.h" +#include "mtypes.h" + + +/**********************************************************************/ +/***** API Functions *****/ +/**********************************************************************/ + + + +void GLAPIENTRY +_mesa_ClearDepth( GLclampd depth ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + depth = CLAMP( depth, 0.0, 1.0 ); + + if (ctx->Depth.Clear == depth) + return; + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.Clear = depth; + if (ctx->Driver.ClearDepth) + (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear ); +} + + + +void GLAPIENTRY +_mesa_DepthFunc( GLenum func ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glDepthFunc %s\n", _mesa_lookup_enum_by_nr(func)); + + switch (func) { + case GL_LESS: /* (default) pass if incoming z < stored z */ + case GL_GEQUAL: + case GL_LEQUAL: + case GL_GREATER: + case GL_NOTEQUAL: + case GL_EQUAL: + case GL_ALWAYS: + case GL_NEVER: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glDepth.Func" ); + return; + } + + if (ctx->Depth.Func == func) + return; + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.Func = func; + + if (ctx->Driver.DepthFunc) + ctx->Driver.DepthFunc( ctx, func ); +} + + + +void GLAPIENTRY +_mesa_DepthMask( GLboolean flag ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glDepthMask %d\n", flag); + + /* + * GL_TRUE indicates depth buffer writing is enabled (default) + * GL_FALSE indicates depth buffer writing is disabled + */ + if (ctx->Depth.Mask == flag) + return; + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.Mask = flag; + + if (ctx->Driver.DepthMask) + ctx->Driver.DepthMask( ctx, flag ); +} + + + +/* GL_EXT_depth_bounds_test */ +void GLAPIENTRY +_mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (zmin > zmax) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDepthBoundsEXT(zmin > zmax)"); + return; + } + + zmin = CLAMP(zmin, 0.0, 1.0); + zmax = CLAMP(zmax, 0.0, 1.0); + + if (ctx->Depth.BoundsMin == zmin && ctx->Depth.BoundsMax == zmax) + return; + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.BoundsMin = (GLfloat) zmin; + ctx->Depth.BoundsMax = (GLfloat) zmax; +} + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +void _mesa_init_depth( GLcontext * ctx ) +{ + /* Depth buffer group */ + ctx->Depth.Test = GL_FALSE; + ctx->Depth.Clear = 1.0; + ctx->Depth.Func = GL_LESS; + ctx->Depth.Mask = GL_TRUE; + ctx->Depth.OcclusionTest = GL_FALSE; + + /* Z buffer stuff */ + if (ctx->Visual.depthBits == 0) { + /* Special case. Even if we don't have a depth buffer we need + * good values for DepthMax for Z vertex transformation purposes + * and for per-fragment fog computation. + */ + ctx->DepthMax = 1 << 16; + ctx->DepthMaxF = (GLfloat) ctx->DepthMax; + } + else if (ctx->Visual.depthBits < 32) { + ctx->DepthMax = (1 << ctx->Visual.depthBits) - 1; + ctx->DepthMaxF = (GLfloat) ctx->DepthMax; + } + else { + /* Special case since shift values greater than or equal to the + * number of bits in the left hand expression's type are undefined. + */ + ctx->DepthMax = 0xffffffff; + ctx->DepthMaxF = (GLfloat) ctx->DepthMax; + } + ctx->MRD = 1.0; /* Minimum resolvable depth value, for polygon offset */ +} diff --git a/src/mesa/main/depth.h b/src/mesa/main/depth.h new file mode 100644 index 0000000..0532a2e --- /dev/null +++ b/src/mesa/main/depth.h @@ -0,0 +1,62 @@ +/** + * \file depth.h + * Depth buffer operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef DEPTH_H +#define DEPTH_H + + +#include "mtypes.h" + + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_ClearDepth( GLclampd depth ); + +extern void GLAPIENTRY +_mesa_DepthFunc( GLenum func ); + +extern void GLAPIENTRY +_mesa_DepthMask( GLboolean flag ); + +extern void +_mesa_init_depth( GLcontext * ctx ); + +extern void GLAPIENTRY +_mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax ); + +#else + +/** No-op */ +#define _mesa_init_depth( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/descrip.mms b/src/mesa/main/descrip.mms new file mode 100644 index 0000000..43b1087 --- /dev/null +++ b/src/mesa/main/descrip.mms @@ -0,0 +1,185 @@ +# Makefile for core library for VMS +# contributed by Jouk Jansen joukj@hrem.stm.tudelft.nl +# Last revision : 18 August 2004 + +.first + define gl [---.include.gl] + define math [-.math] + +.include [---]mms-config. + +##### MACROS ##### + +VPATH = RCS + +INCDIR = [---.include],[-.glapi],[-.shader] +LIBDIR = [---.lib] +CFLAGS = /include=($(INCDIR),[])/define=(PTHREADS=1)/name=(as_is,short) + +SOURCES =accum.c \ + api_arrayelt.c \ + api_loopback.c \ + api_noop.c \ + api_validate.c \ + attrib.c \ + blend.c \ + bufferobj.c \ + buffers.c \ + clip.c \ + colortab.c \ + context.c \ + convolve.c \ + debug.c \ + depth.c \ + dispatch.c \ + dlist.c \ + drawpix.c \ + enable.c \ + enums.c \ + eval.c \ + extensions.c \ + feedback.c \ + fog.c \ + get.c \ + hash.c \ + hint.c \ + histogram.c \ + image.c \ + imports.c \ + light.c \ + lines.c \ + matrix.c \ + occlude.c \ + pixel.c \ + points.c \ + polygon.c \ + rastpos.c \ + state.c \ + stencil.c \ + texcompress.c \ + texcompress_fxt1.c \ + texcompress_s3tc.c \ + texformat.c \ + teximage.c \ + texobj.c \ + texstate.c \ + texstore.c \ + varray.c \ + vtxfmt.c + +OBJECTS=accum.obj,\ +api_arrayelt.obj,\ +api_loopback.obj,\ +api_noop.obj,\ +api_validate.obj,\ +attrib.obj,\ +blend.obj,\ +bufferobj.obj,\ +buffers.obj,\ +clip.obj,\ +colortab.obj,\ +context.obj,\ +convolve.obj,\ +debug.obj,\ +depth.obj,\ +dispatch.obj,\ +dlist.obj,\ +drawpix.obj,\ +enable.obj,\ +enums.obj,\ +eval.obj,\ +extensions.obj,\ +feedback.obj,\ +fog.obj,\ +get.obj,\ +hash.obj,\ +hint.obj,\ +histogram.obj,\ +image.obj,\ +imports.obj,\ +light.obj,\ +lines.obj,\ +matrix.obj,\ +occlude.obj,\ +pixel.obj,\ +points.obj,\ +polygon.obj,\ +rastpos.obj,\ +state.obj,\ +stencil.obj,\ +texcompress.obj,\ +texcompress_fxt1.obj,\ +texcompress_s3tc.obj,\ +texformat.obj,\ +teximage.obj,\ +texobj.obj,\ +texstate.obj,\ +texstore.obj,\ +varray.obj,\ +vtxfmt.obj + +##### RULES ##### + +VERSION=Mesa V3.4 + +##### TARGETS ##### +# Make the library +$(LIBDIR)$(GL_LIB) : $(OBJECTS) + @ $(MAKELIB) $(GL_LIB) $(OBJECTS) + @ rename $(GL_LIB)* $(LIBDIR) + +clean : + purge + delete *.obj;* + +accum.obj : accum.c +api_arrayelt.obj : api_arrayelt.c +api_loopback.obj : api_loopback.c +api_noop.obj : api_noop.c +api_validate.obj : api_validate.c +attrib.obj : attrib.c +blend.obj : blend.c +bufferobj.obj : bufferobj.c +buffers.obj : buffers.c +clip.obj : clip.c +colortab.obj : colortab.c +context.obj : context.c +convolve.obj : convolve.c +debug.obj : debug.c +depth.obj : depth.c +dispatch.obj : dispatch.c +dlist.obj : dlist.c +drawpix.obj : drawpix.c +enable.obj : enable.c +enums.obj : enums.c +eval.obj : eval.c +extensions.obj : extensions.c +feedback.obj : feedback.c +fog.obj : fog.c +get.obj : get.c +hash.obj : hash.c +hint.obj : hint.c +histogram.obj : histogram.c +image.obj : image.c +imports.obj : imports.c vsnprintf.c +light.obj : light.c +lines.obj : lines.c +matrix.obj : matrix.c +occlude.obj : occlude.c +pixel.obj : pixel.c +points.obj : points.c +polygon.obj : polygon.c +rastpos.obj : rastpos.c +state.obj : state.c +stencil.obj : stencil.c +texcompress.obj : texcompress.c +texcompress_fxt1.obj : texcompress_fxt1.c + cc$(CFLAGS)/warn=(disable=SHIFTCOUNT) texcompress_fxt1.c +texcompress_s3tc.obj : texcompress_s3tc.c +texformat.obj : texformat.c +teximage.obj : teximage.c +texobj.obj : texobj.c +texstate.obj : texstate.c +texstore.obj : texstore.c +varray.obj : varray.c +vtxfmt.obj : vtxfmt.c diff --git a/src/mesa/main/dispatch.c b/src/mesa/main/dispatch.c new file mode 100644 index 0000000..5337636 --- /dev/null +++ b/src/mesa/main/dispatch.c @@ -0,0 +1,89 @@ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * This file generates all the gl* function entyrpoints. + * But if we're using X86-optimized dispatch (X86/glapi_x86.S) then + * we don't use this code. + * + * NOTE: This file should _not_ be used when compiling Mesa for a DRI- + * based device driver. + * + */ + + +#include "glheader.h" +#include "glapi.h" +#include "glapitable.h" +#include "glthread.h" + + +#if !(defined(USE_X86_ASM) || defined(USE_SPARC_ASM)) + +#if defined(WIN32) +#define KEYWORD1 GLAPI +#else +#define KEYWORD1 +#endif + +#define KEYWORD2 GLAPIENTRY + +#if defined(USE_MGL_NAMESPACE) +#define NAME(func) mgl##func +#else +#define NAME(func) gl##func +#endif + +#if 0 /* Use this to log GL calls to stdout (for DEBUG only!) */ + +#define F stdout +#define DISPATCH(FUNC, ARGS, MESSAGE) \ + fprintf MESSAGE; \ + GL_CALL(FUNC) ARGS; + +#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \ + fprintf MESSAGE; \ + return GL_CALL(FUNC) ARGS; + +#else + +#define DISPATCH(FUNC, ARGS, MESSAGE) \ + GL_CALL(FUNC) ARGS; + +#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \ + return GL_CALL(FUNC) ARGS; + +#endif /* logging */ + + +#ifndef GLAPIENTRY +#define GLAPIENTRY +#endif + +#include "glapitemp.h" + + +#endif /* USE_X86_ASM */ diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c new file mode 100644 index 0000000..a5ec73e --- /dev/null +++ b/src/mesa/main/dlist.c @@ -0,0 +1,8014 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file dlist.c + * Display lists management functions. + */ + +#include "glheader.h" +#include "imports.h" +#include "api_arrayelt.h" +#include "api_loopback.h" +#include "config.h" +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program +#include "arbprogram.h" +#include "program.h" +#endif +#include "attrib.h" +#include "blend.h" +#include "buffers.h" +#if FEATURE_ARB_vertex_buffer_object +#include "bufferobj.h" +#endif +#include "clip.h" +#include "colormac.h" +#include "colortab.h" +#include "context.h" +#include "convolve.h" +#include "depth.h" +#include "dlist.h" +#include "enable.h" +#include "enums.h" +#include "eval.h" +#include "extensions.h" +#include "feedback.h" +#include "get.h" +#include "glapi.h" +#include "hash.h" +#include "histogram.h" +#include "image.h" +#include "light.h" +#include "lines.h" +#include "dlist.h" +#include "macros.h" +#include "matrix.h" +#include "occlude.h" +#include "pixel.h" +#include "points.h" +#include "polygon.h" +#include "state.h" +#include "texobj.h" +#include "teximage.h" +#include "texstate.h" +#include "mtypes.h" +#include "varray.h" +#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program +#include "nvprogram.h" +#include "program.h" +#endif + +#include "math/m_matrix.h" +#include "math/m_xform.h" + + +/** + * Flush vertices. + * + * \param ctx GL context. + * + * Checks if dd_function_table::SaveNeedFlush is marked to flush + * stored (save) vertices, and calls + * dd_function_table::SaveFlushVertices if so. + */ +#define SAVE_FLUSH_VERTICES(ctx) \ +do { \ + if (ctx->Driver.SaveNeedFlush) \ + ctx->Driver.SaveFlushVertices(ctx); \ +} while (0) + + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair, with return value. + * + * \param ctx GL context. + * \param retval value to return value in case the assertion fails. + */ +#define ASSERT_OUTSIDE_SAVE_BEGIN_END_WITH_RETVAL(ctx, retval) \ +do { \ + if (ctx->Driver.CurrentSavePrimitive <= GL_POLYGON || \ + ctx->Driver.CurrentSavePrimitive == PRIM_INSIDE_UNKNOWN_PRIM) { \ + _mesa_compile_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \ + return retval; \ + } \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair. + * + * \param ctx GL context. + */ +#define ASSERT_OUTSIDE_SAVE_BEGIN_END(ctx) \ +do { \ + if (ctx->Driver.CurrentSavePrimitive <= GL_POLYGON || \ + ctx->Driver.CurrentSavePrimitive == PRIM_INSIDE_UNKNOWN_PRIM) { \ + _mesa_compile_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \ + return; \ + } \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair and flush the vertices. + * + * \param ctx GL context. + */ +#define ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx) \ +do { \ + ASSERT_OUTSIDE_SAVE_BEGIN_END(ctx); \ + SAVE_FLUSH_VERTICES(ctx); \ +} while (0) + +/** + * Macro to assert that the API call was made outside the + * glBegin()/glEnd() pair and flush the vertices, with return value. + * + * \param ctx GL context. + * \param retval value to return value in case the assertion fails. + */ +#define ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, retval)\ +do { \ + ASSERT_OUTSIDE_SAVE_BEGIN_END_WITH_RETVAL(ctx, retval); \ + SAVE_FLUSH_VERTICES(ctx); \ +} while (0) + + + +/** + * Display list opcodes. + * + * The fact that these identifiers are assigned consecutive + * integer values starting at 0 is very important, see InstSize array usage) + */ +typedef enum { + OPCODE_INVALID = -1, /* Force signed enum */ + OPCODE_ACCUM, + OPCODE_ALPHA_FUNC, + OPCODE_BIND_TEXTURE, + OPCODE_BITMAP, + OPCODE_BLEND_COLOR, + OPCODE_BLEND_EQUATION, + OPCODE_BLEND_EQUATION_SEPARATE, + OPCODE_BLEND_FUNC_SEPARATE, + OPCODE_CALL_LIST, + OPCODE_CALL_LIST_OFFSET, + OPCODE_CLEAR, + OPCODE_CLEAR_ACCUM, + OPCODE_CLEAR_COLOR, + OPCODE_CLEAR_DEPTH, + OPCODE_CLEAR_INDEX, + OPCODE_CLEAR_STENCIL, + OPCODE_CLIP_PLANE, + OPCODE_COLOR_MASK, + OPCODE_COLOR_MATERIAL, + OPCODE_COLOR_TABLE, + OPCODE_COLOR_TABLE_PARAMETER_FV, + OPCODE_COLOR_TABLE_PARAMETER_IV, + OPCODE_COLOR_SUB_TABLE, + OPCODE_CONVOLUTION_FILTER_1D, + OPCODE_CONVOLUTION_FILTER_2D, + OPCODE_CONVOLUTION_PARAMETER_I, + OPCODE_CONVOLUTION_PARAMETER_IV, + OPCODE_CONVOLUTION_PARAMETER_F, + OPCODE_CONVOLUTION_PARAMETER_FV, + OPCODE_COPY_COLOR_SUB_TABLE, + OPCODE_COPY_COLOR_TABLE, + OPCODE_COPY_PIXELS, + OPCODE_COPY_TEX_IMAGE1D, + OPCODE_COPY_TEX_IMAGE2D, + OPCODE_COPY_TEX_SUB_IMAGE1D, + OPCODE_COPY_TEX_SUB_IMAGE2D, + OPCODE_COPY_TEX_SUB_IMAGE3D, + OPCODE_CULL_FACE, + OPCODE_DEPTH_FUNC, + OPCODE_DEPTH_MASK, + OPCODE_DEPTH_RANGE, + OPCODE_DISABLE, + OPCODE_DRAW_BUFFER, + OPCODE_DRAW_PIXELS, + OPCODE_ENABLE, + OPCODE_EVALMESH1, + OPCODE_EVALMESH2, + OPCODE_FOG, + OPCODE_FRONT_FACE, + OPCODE_FRUSTUM, + OPCODE_HINT, + OPCODE_HISTOGRAM, + OPCODE_INDEX_MASK, + OPCODE_INIT_NAMES, + OPCODE_LIGHT, + OPCODE_LIGHT_MODEL, + OPCODE_LINE_STIPPLE, + OPCODE_LINE_WIDTH, + OPCODE_LIST_BASE, + OPCODE_LOAD_IDENTITY, + OPCODE_LOAD_MATRIX, + OPCODE_LOAD_NAME, + OPCODE_LOGIC_OP, + OPCODE_MAP1, + OPCODE_MAP2, + OPCODE_MAPGRID1, + OPCODE_MAPGRID2, + OPCODE_MATRIX_MODE, + OPCODE_MIN_MAX, + OPCODE_MULT_MATRIX, + OPCODE_ORTHO, + OPCODE_PASSTHROUGH, + OPCODE_PIXEL_MAP, + OPCODE_PIXEL_TRANSFER, + OPCODE_PIXEL_ZOOM, + OPCODE_POINT_SIZE, + OPCODE_POINT_PARAMETERS, + OPCODE_POLYGON_MODE, + OPCODE_POLYGON_STIPPLE, + OPCODE_POLYGON_OFFSET, + OPCODE_POP_ATTRIB, + OPCODE_POP_MATRIX, + OPCODE_POP_NAME, + OPCODE_PRIORITIZE_TEXTURE, + OPCODE_PUSH_ATTRIB, + OPCODE_PUSH_MATRIX, + OPCODE_PUSH_NAME, + OPCODE_RASTER_POS, + OPCODE_READ_BUFFER, + OPCODE_RESET_HISTOGRAM, + OPCODE_RESET_MIN_MAX, + OPCODE_ROTATE, + OPCODE_SCALE, + OPCODE_SCISSOR, + OPCODE_SELECT_TEXTURE_SGIS, + OPCODE_SELECT_TEXTURE_COORD_SET, + OPCODE_SHADE_MODEL, + OPCODE_STENCIL_FUNC, + OPCODE_STENCIL_MASK, + OPCODE_STENCIL_OP, + OPCODE_TEXENV, + OPCODE_TEXGEN, + OPCODE_TEXPARAMETER, + OPCODE_TEX_IMAGE1D, + OPCODE_TEX_IMAGE2D, + OPCODE_TEX_IMAGE3D, + OPCODE_TEX_SUB_IMAGE1D, + OPCODE_TEX_SUB_IMAGE2D, + OPCODE_TEX_SUB_IMAGE3D, + OPCODE_TRANSLATE, + OPCODE_VIEWPORT, + OPCODE_WINDOW_POS, + /* GL_ARB_multitexture */ + OPCODE_ACTIVE_TEXTURE, + /* GL_SGIX/SGIS_pixel_texture */ + OPCODE_PIXEL_TEXGEN_SGIX, + OPCODE_PIXEL_TEXGEN_PARAMETER_SGIS, + /* GL_ARB_texture_compression */ + OPCODE_COMPRESSED_TEX_IMAGE_1D, + OPCODE_COMPRESSED_TEX_IMAGE_2D, + OPCODE_COMPRESSED_TEX_IMAGE_3D, + OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D, + OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D, + OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D, + /* GL_ARB_multisample */ + OPCODE_SAMPLE_COVERAGE, + /* GL_ARB_window_pos */ + OPCODE_WINDOW_POS_ARB, + /* GL_NV_vertex_program */ + OPCODE_BIND_PROGRAM_NV, + OPCODE_EXECUTE_PROGRAM_NV, + OPCODE_REQUEST_RESIDENT_PROGRAMS_NV, + OPCODE_LOAD_PROGRAM_NV, + OPCODE_PROGRAM_PARAMETER4F_NV, + OPCODE_TRACK_MATRIX_NV, + /* GL_NV_fragment_program */ + OPCODE_PROGRAM_LOCAL_PARAMETER_ARB, + OPCODE_PROGRAM_NAMED_PARAMETER_NV, + /* GL_EXT_stencil_two_side */ + OPCODE_ACTIVE_STENCIL_FACE_EXT, + /* GL_EXT_depth_bounds_test */ + OPCODE_DEPTH_BOUNDS_EXT, + /* GL_ARB_vertex/fragment_program */ + OPCODE_PROGRAM_STRING_ARB, + OPCODE_PROGRAM_ENV_PARAMETER_ARB, + /* GL_ARB_occlusion_query */ + OPCODE_BEGIN_QUERY_ARB, + OPCODE_END_QUERY_ARB, + + /* Vertex attributes -- fallback for when optimized display + * list build isn't active. + */ + OPCODE_ATTR_1F, + OPCODE_ATTR_2F, + OPCODE_ATTR_3F, + OPCODE_ATTR_4F, + OPCODE_MATERIAL, + OPCODE_INDEX, + OPCODE_EDGEFLAG, + OPCODE_BEGIN, + OPCODE_END, + OPCODE_RECTF, + OPCODE_EVAL_C1, + OPCODE_EVAL_C2, + OPCODE_EVAL_P1, + OPCODE_EVAL_P2, + + + /* The following three are meta instructions */ + OPCODE_ERROR, /* raise compiled-in error */ + OPCODE_CONTINUE, + OPCODE_END_OF_LIST, + OPCODE_EXT_0 +} OpCode; + + + +/** + * Display list node. + * + * Display list instructions are stored as sequences of "nodes". Nodes + * are allocated in blocks. Each block has BLOCK_SIZE nodes. Blocks + * are linked together with a pointer. + * + * Each instruction in the display list is stored as a sequence of + * contiguous nodes in memory. + * Each node is the union of a variety of data types. + */ +union node { + OpCode opcode; + GLboolean b; + GLbitfield bf; + GLubyte ub; + GLshort s; + GLushort us; + GLint i; + GLuint ui; + GLenum e; + GLfloat f; + GLvoid *data; + void *next; /* If prev node's opcode==OPCODE_CONTINUE */ +}; + + +/** + * How many nodes to allocate at a time. + * + * \note Reduced now that we hold vertices etc. elsewhere. + */ +#define BLOCK_SIZE 256 + + + +/** + * Number of nodes of storage needed for each instruction. + * Sizes for dynamically allocated opcodes are stored in the context struct. + */ +static GLuint InstSize[ OPCODE_END_OF_LIST+1 ]; + +void mesa_print_display_list( GLuint list ); + + +/**********************************************************************/ +/***** Private *****/ +/**********************************************************************/ + +/* + * Make an empty display list. This is used by glGenLists() to + * reserver display list IDs. + */ +static Node *make_empty_list( void ) +{ + Node *n = (Node *) MALLOC( sizeof(Node) ); + n[0].opcode = OPCODE_END_OF_LIST; + return n; +} + + + +/* + * Destroy all nodes in a display list. + * \param list - display list number + */ +void _mesa_destroy_list( GLcontext *ctx, GLuint list ) +{ + Node *n, *block; + GLboolean done; + + if (list==0) + return; + + block = (Node *) _mesa_HashLookup(ctx->Shared->DisplayList, list); + n = block; + + done = block ? GL_FALSE : GL_TRUE; + while (!done) { + + /* check for extension opcodes first */ + + GLint i = (GLint) n[0].opcode - (GLint) OPCODE_EXT_0; + if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) { + ctx->ListExt.Opcode[i].Destroy(ctx, &n[1]); + n += ctx->ListExt.Opcode[i].Size; + } + else { + switch (n[0].opcode) { + /* for some commands, we need to free malloc'd memory */ + case OPCODE_MAP1: + FREE(n[6].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_MAP2: + FREE(n[10].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_DRAW_PIXELS: + FREE( n[5].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_BITMAP: + FREE( n[7].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COLOR_TABLE: + FREE( n[6].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COLOR_SUB_TABLE: + FREE( n[6].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_CONVOLUTION_FILTER_1D: + FREE( n[6].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_CONVOLUTION_FILTER_2D: + FREE( n[7].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_POLYGON_STIPPLE: + FREE( n[1].data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_IMAGE1D: + FREE(n[8].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_IMAGE2D: + FREE( n[9]. data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_IMAGE3D: + FREE( n[10]. data ); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_SUB_IMAGE1D: + FREE(n[7].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_SUB_IMAGE2D: + FREE(n[9].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_TEX_SUB_IMAGE3D: + FREE(n[11].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_IMAGE_1D: + FREE(n[7].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_IMAGE_2D: + FREE(n[8].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_IMAGE_3D: + FREE(n[9].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D: + FREE(n[7].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D: + FREE(n[9].data); + n += InstSize[n[0].opcode]; + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D: + FREE(n[11].data); + n += InstSize[n[0].opcode]; + break; +#if FEATURE_NV_vertex_program + case OPCODE_LOAD_PROGRAM_NV: + FREE(n[4].data); /* program string */ + n += InstSize[n[0].opcode]; + break; + case OPCODE_REQUEST_RESIDENT_PROGRAMS_NV: + FREE(n[2].data); /* array of program ids */ + n += InstSize[n[0].opcode]; + break; +#endif +#if FEATURE_NV_fragment_program + case OPCODE_PROGRAM_NAMED_PARAMETER_NV: + FREE(n[3].data); /* parameter name */ + n += InstSize[n[0].opcode]; + break; +#endif +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + case OPCODE_PROGRAM_STRING_ARB: + FREE(n[4].data); /* program string */ + n += InstSize[n[0].opcode]; + break; +#endif + case OPCODE_CONTINUE: + n = (Node *) n[1].next; + FREE( block ); + block = n; + break; + case OPCODE_END_OF_LIST: + FREE( block ); + done = GL_TRUE; + break; + default: + /* Most frequent case */ + n += InstSize[n[0].opcode]; + break; + } + } + } + + _mesa_HashRemove(ctx->Shared->DisplayList, list); +} + + + +/* + * Translate the nth element of list from type to GLuint. + */ +static GLuint translate_id( GLsizei n, GLenum type, const GLvoid *list ) +{ + GLbyte *bptr; + GLubyte *ubptr; + GLshort *sptr; + GLushort *usptr; + GLint *iptr; + GLuint *uiptr; + GLfloat *fptr; + + switch (type) { + case GL_BYTE: + bptr = (GLbyte *) list; + return (GLuint) *(bptr+n); + case GL_UNSIGNED_BYTE: + ubptr = (GLubyte *) list; + return (GLuint) *(ubptr+n); + case GL_SHORT: + sptr = (GLshort *) list; + return (GLuint) *(sptr+n); + case GL_UNSIGNED_SHORT: + usptr = (GLushort *) list; + return (GLuint) *(usptr+n); + case GL_INT: + iptr = (GLint *) list; + return (GLuint) *(iptr+n); + case GL_UNSIGNED_INT: + uiptr = (GLuint *) list; + return (GLuint) *(uiptr+n); + case GL_FLOAT: + fptr = (GLfloat *) list; + return (GLuint) *(fptr+n); + case GL_2_BYTES: + ubptr = ((GLubyte *) list) + 2*n; + return (GLuint) *ubptr * 256 + (GLuint) *(ubptr+1); + case GL_3_BYTES: + ubptr = ((GLubyte *) list) + 3*n; + return (GLuint) *ubptr * 65536 + + (GLuint) *(ubptr+1) * 256 + + (GLuint) *(ubptr+2); + case GL_4_BYTES: + ubptr = ((GLubyte *) list) + 4*n; + return (GLuint) *ubptr * 16777216 + + (GLuint) *(ubptr+1) * 65536 + + (GLuint) *(ubptr+2) * 256 + + (GLuint) *(ubptr+3); + default: + return 0; + } +} + + + + +/**********************************************************************/ +/***** Public *****/ +/**********************************************************************/ + +/** + * Do one-time initialiazations for display lists. + */ +void +_mesa_init_lists( void ) +{ + static int init_flag = 0; + + if (init_flag==0) { + InstSize[OPCODE_ACCUM] = 3; + InstSize[OPCODE_ALPHA_FUNC] = 3; + InstSize[OPCODE_BIND_TEXTURE] = 3; + InstSize[OPCODE_BITMAP] = 8; + InstSize[OPCODE_BLEND_COLOR] = 5; + InstSize[OPCODE_BLEND_EQUATION] = 2; + InstSize[OPCODE_BLEND_EQUATION_SEPARATE] = 3; + InstSize[OPCODE_BLEND_FUNC_SEPARATE] = 5; + InstSize[OPCODE_CALL_LIST] = 2; + InstSize[OPCODE_CALL_LIST_OFFSET] = 3; + InstSize[OPCODE_CLEAR] = 2; + InstSize[OPCODE_CLEAR_ACCUM] = 5; + InstSize[OPCODE_CLEAR_COLOR] = 5; + InstSize[OPCODE_CLEAR_DEPTH] = 2; + InstSize[OPCODE_CLEAR_INDEX] = 2; + InstSize[OPCODE_CLEAR_STENCIL] = 2; + InstSize[OPCODE_CLIP_PLANE] = 6; + InstSize[OPCODE_COLOR_MASK] = 5; + InstSize[OPCODE_COLOR_MATERIAL] = 3; + InstSize[OPCODE_COLOR_TABLE] = 7; + InstSize[OPCODE_COLOR_TABLE_PARAMETER_FV] = 7; + InstSize[OPCODE_COLOR_TABLE_PARAMETER_IV] = 7; + InstSize[OPCODE_COLOR_SUB_TABLE] = 7; + InstSize[OPCODE_CONVOLUTION_FILTER_1D] = 7; + InstSize[OPCODE_CONVOLUTION_FILTER_2D] = 8; + InstSize[OPCODE_CONVOLUTION_PARAMETER_I] = 4; + InstSize[OPCODE_CONVOLUTION_PARAMETER_IV] = 7; + InstSize[OPCODE_CONVOLUTION_PARAMETER_F] = 4; + InstSize[OPCODE_CONVOLUTION_PARAMETER_FV] = 7; + InstSize[OPCODE_COPY_PIXELS] = 6; + InstSize[OPCODE_COPY_COLOR_SUB_TABLE] = 6; + InstSize[OPCODE_COPY_COLOR_TABLE] = 6; + InstSize[OPCODE_COPY_TEX_IMAGE1D] = 8; + InstSize[OPCODE_COPY_TEX_IMAGE2D] = 9; + InstSize[OPCODE_COPY_TEX_SUB_IMAGE1D] = 7; + InstSize[OPCODE_COPY_TEX_SUB_IMAGE2D] = 9; + InstSize[OPCODE_COPY_TEX_SUB_IMAGE3D] = 10; + InstSize[OPCODE_CULL_FACE] = 2; + InstSize[OPCODE_DEPTH_FUNC] = 2; + InstSize[OPCODE_DEPTH_MASK] = 2; + InstSize[OPCODE_DEPTH_RANGE] = 3; + InstSize[OPCODE_DISABLE] = 2; + InstSize[OPCODE_DRAW_BUFFER] = 2; + InstSize[OPCODE_DRAW_PIXELS] = 6; + InstSize[OPCODE_ENABLE] = 2; + InstSize[OPCODE_EVALMESH1] = 4; + InstSize[OPCODE_EVALMESH2] = 6; + InstSize[OPCODE_FOG] = 6; + InstSize[OPCODE_FRONT_FACE] = 2; + InstSize[OPCODE_FRUSTUM] = 7; + InstSize[OPCODE_HINT] = 3; + InstSize[OPCODE_HISTOGRAM] = 5; + InstSize[OPCODE_INDEX_MASK] = 2; + InstSize[OPCODE_INIT_NAMES] = 1; + InstSize[OPCODE_LIGHT] = 7; + InstSize[OPCODE_LIGHT_MODEL] = 6; + InstSize[OPCODE_LINE_STIPPLE] = 3; + InstSize[OPCODE_LINE_WIDTH] = 2; + InstSize[OPCODE_LIST_BASE] = 2; + InstSize[OPCODE_LOAD_IDENTITY] = 1; + InstSize[OPCODE_LOAD_MATRIX] = 17; + InstSize[OPCODE_LOAD_NAME] = 2; + InstSize[OPCODE_LOGIC_OP] = 2; + InstSize[OPCODE_MAP1] = 7; + InstSize[OPCODE_MAP2] = 11; + InstSize[OPCODE_MAPGRID1] = 4; + InstSize[OPCODE_MAPGRID2] = 7; + InstSize[OPCODE_MATRIX_MODE] = 2; + InstSize[OPCODE_MIN_MAX] = 4; + InstSize[OPCODE_MULT_MATRIX] = 17; + InstSize[OPCODE_ORTHO] = 7; + InstSize[OPCODE_PASSTHROUGH] = 2; + InstSize[OPCODE_PIXEL_MAP] = 4; + InstSize[OPCODE_PIXEL_TRANSFER] = 3; + InstSize[OPCODE_PIXEL_ZOOM] = 3; + InstSize[OPCODE_POINT_SIZE] = 2; + InstSize[OPCODE_POINT_PARAMETERS] = 5; + InstSize[OPCODE_POLYGON_MODE] = 3; + InstSize[OPCODE_POLYGON_STIPPLE] = 2; + InstSize[OPCODE_POLYGON_OFFSET] = 3; + InstSize[OPCODE_POP_ATTRIB] = 1; + InstSize[OPCODE_POP_MATRIX] = 1; + InstSize[OPCODE_POP_NAME] = 1; + InstSize[OPCODE_PRIORITIZE_TEXTURE] = 3; + InstSize[OPCODE_PUSH_ATTRIB] = 2; + InstSize[OPCODE_PUSH_MATRIX] = 1; + InstSize[OPCODE_PUSH_NAME] = 2; + InstSize[OPCODE_RASTER_POS] = 5; + InstSize[OPCODE_READ_BUFFER] = 2; + InstSize[OPCODE_RESET_HISTOGRAM] = 2; + InstSize[OPCODE_RESET_MIN_MAX] = 2; + InstSize[OPCODE_ROTATE] = 5; + InstSize[OPCODE_SCALE] = 4; + InstSize[OPCODE_SCISSOR] = 5; + InstSize[OPCODE_STENCIL_FUNC] = 4; + InstSize[OPCODE_STENCIL_MASK] = 2; + InstSize[OPCODE_STENCIL_OP] = 4; + InstSize[OPCODE_SHADE_MODEL] = 2; + InstSize[OPCODE_TEXENV] = 7; + InstSize[OPCODE_TEXGEN] = 7; + InstSize[OPCODE_TEXPARAMETER] = 7; + InstSize[OPCODE_TEX_IMAGE1D] = 9; + InstSize[OPCODE_TEX_IMAGE2D] = 10; + InstSize[OPCODE_TEX_IMAGE3D] = 11; + InstSize[OPCODE_TEX_SUB_IMAGE1D] = 8; + InstSize[OPCODE_TEX_SUB_IMAGE2D] = 10; + InstSize[OPCODE_TEX_SUB_IMAGE3D] = 12; + InstSize[OPCODE_TRANSLATE] = 4; + InstSize[OPCODE_VIEWPORT] = 5; + InstSize[OPCODE_WINDOW_POS] = 5; + InstSize[OPCODE_CONTINUE] = 2; + InstSize[OPCODE_ERROR] = 3; + InstSize[OPCODE_END_OF_LIST] = 1; + /* GL_SGIX/SGIS_pixel_texture */ + InstSize[OPCODE_PIXEL_TEXGEN_SGIX] = 2; + InstSize[OPCODE_PIXEL_TEXGEN_PARAMETER_SGIS] = 3; + /* GL_ARB_texture_compression */ + InstSize[OPCODE_COMPRESSED_TEX_IMAGE_1D] = 8; + InstSize[OPCODE_COMPRESSED_TEX_IMAGE_2D] = 9; + InstSize[OPCODE_COMPRESSED_TEX_IMAGE_3D] = 10; + InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D] = 8; + InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D] = 10; + InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D] = 12; + /* GL_ARB_multisample */ + InstSize[OPCODE_SAMPLE_COVERAGE] = 3; + /* GL_ARB_multitexture */ + InstSize[OPCODE_ACTIVE_TEXTURE] = 2; + /* GL_ARB_window_pos */ + InstSize[OPCODE_WINDOW_POS_ARB] = 4; + /* GL_NV_vertex_program */ + InstSize[OPCODE_BIND_PROGRAM_NV] = 3; + InstSize[OPCODE_EXECUTE_PROGRAM_NV] = 7; + InstSize[OPCODE_REQUEST_RESIDENT_PROGRAMS_NV] = 2; + InstSize[OPCODE_LOAD_PROGRAM_NV] = 5; + InstSize[OPCODE_PROGRAM_PARAMETER4F_NV] = 7; + InstSize[OPCODE_TRACK_MATRIX_NV] = 5; + /* GL_NV_fragment_program */ + InstSize[OPCODE_PROGRAM_LOCAL_PARAMETER_ARB] = 7; + InstSize[OPCODE_PROGRAM_NAMED_PARAMETER_NV] = 8; + /* GL_EXT_stencil_two_side */ + InstSize[OPCODE_ACTIVE_STENCIL_FACE_EXT] = 2; + /* GL_EXT_depth_bounds_test */ + InstSize[OPCODE_DEPTH_BOUNDS_EXT] = 3; +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + InstSize[OPCODE_PROGRAM_STRING_ARB] = 5; + InstSize[OPCODE_PROGRAM_ENV_PARAMETER_ARB] = 7; +#endif +#if FEATURE_ARB_occlusion_query + InstSize[OPCODE_BEGIN_QUERY_ARB] = 3; + InstSize[OPCODE_END_QUERY_ARB] = 2; +#endif + InstSize[OPCODE_ATTR_1F] = 3; + InstSize[OPCODE_ATTR_2F] = 4; + InstSize[OPCODE_ATTR_3F] = 5; + InstSize[OPCODE_ATTR_4F] = 6; + InstSize[OPCODE_MATERIAL] = 7; + InstSize[OPCODE_INDEX] = 2; + InstSize[OPCODE_EDGEFLAG] = 2; + InstSize[OPCODE_BEGIN] = 2; + InstSize[OPCODE_END] = 1; + InstSize[OPCODE_RECTF] = 5; + InstSize[OPCODE_EVAL_C1] = 2; + InstSize[OPCODE_EVAL_C2] = 3; + InstSize[OPCODE_EVAL_P1] = 2; + InstSize[OPCODE_EVAL_P2] = 3; + } + init_flag = 1; +} + + + +/** + * Wrapper for _mesa_unpack_image() that handles pixel buffer objects. + * \todo This won't suffice when the PBO is really in VRAM/GPU memory. + */ +static GLvoid * +unpack_image( GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *unpack ) +{ + if (unpack->BufferObj->Name == 0) { + /* no PBO */ + return _mesa_unpack_image(width, height, depth, format, type, + pixels, unpack); + } + else if (_mesa_validate_pbo_access(unpack, width, height, depth, format, + type, pixels)) { + const GLubyte *src = ADD_POINTERS(unpack->BufferObj->Data, pixels); + return _mesa_unpack_image(width, height, depth, format, type, + src, unpack); + } + /* bad access! */ + return NULL; +} + + +/* + * Allocate space for a display list instruction. + * \param opcode - type of instruction + * argcount - size in bytes of data required. + * \return pointer to the usable data area (not including the internal + * opcode). + */ +void * +_mesa_alloc_instruction( GLcontext *ctx, int opcode, GLint sz ) +{ + Node *n, *newblock; + GLuint count = 1 + (sz + sizeof(Node) - 1) / sizeof(Node); + +#ifdef DEBUG + if (opcode < (int) OPCODE_EXT_0) { + assert( count == InstSize[opcode] ); + } +#endif + + if (ctx->ListState.CurrentPos + count + 2 > BLOCK_SIZE) { + /* This block is full. Allocate a new block and chain to it */ + n = ctx->ListState.CurrentBlock + ctx->ListState.CurrentPos; + n[0].opcode = OPCODE_CONTINUE; + newblock = (Node *) MALLOC( sizeof(Node) * BLOCK_SIZE ); + if (!newblock) { + _mesa_error( ctx, GL_OUT_OF_MEMORY, "Building display list" ); + return NULL; + } + n[1].next = (Node *) newblock; + ctx->ListState.CurrentBlock = newblock; + ctx->ListState.CurrentPos = 0; + } + + n = ctx->ListState.CurrentBlock + ctx->ListState.CurrentPos; + ctx->ListState.CurrentPos += count; + + n[0].opcode = (OpCode) opcode; + + return (void *)&n[1]; +} + + +/** + * This function allows modules and drivers to get their own opcodes + * for extending display list functionality. + * \param ctx the rendering context + * \param size number of bytes for storing the new display list command + * \param execute function to execute the new display list command + * \param destroy function to destroy the new display list command + * \param print function to print the new display list command + * \return the new opcode number or -1 if error + */ +GLint +_mesa_alloc_opcode( GLcontext *ctx, + GLuint size, + void (*execute)( GLcontext *, void * ), + void (*destroy)( GLcontext *, void * ), + void (*print)( GLcontext *, void * ) ) +{ + if (ctx->ListExt.NumOpcodes < MAX_DLIST_EXT_OPCODES) { + const GLuint i = ctx->ListExt.NumOpcodes++; + ctx->ListExt.Opcode[i].Size = 1 + (size + sizeof(Node) - 1)/sizeof(Node); + ctx->ListExt.Opcode[i].Execute = execute; + ctx->ListExt.Opcode[i].Destroy = destroy; + ctx->ListExt.Opcode[i].Print = print; + return i + OPCODE_EXT_0; + } + return -1; +} + + + +/* Mimic the old behaviour of alloc_instruction: + * - sz is in units of sizeof(Node) + * - return value a pointer to sizeof(Node) before the actual + * usable data area. + */ +#define ALLOC_INSTRUCTION(ctx, opcode, sz) \ + ((Node *)_mesa_alloc_instruction(ctx, opcode, sz*sizeof(Node)) - 1) + + + +/* + * Display List compilation functions + */ +static void GLAPIENTRY save_Accum( GLenum op, GLfloat value ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ACCUM, 2 ); + if (n) { + n[1].e = op; + n[2].f = value; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Accum)( op, value ); + } +} + + +static void GLAPIENTRY save_AlphaFunc( GLenum func, GLclampf ref ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ALPHA_FUNC, 2 ); + if (n) { + n[1].e = func; + n[2].f = (GLfloat) ref; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->AlphaFunc)( func, ref ); + } +} + + +static void GLAPIENTRY save_BindTexture( GLenum target, GLuint texture ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BIND_TEXTURE, 2 ); + if (n) { + n[1].e = target; + n[2].ui = texture; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BindTexture)( target, texture ); + } +} + + +static void GLAPIENTRY save_Bitmap( GLsizei width, GLsizei height, + GLfloat xorig, GLfloat yorig, + GLfloat xmove, GLfloat ymove, + const GLubyte *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + GLvoid *image = _mesa_unpack_bitmap( width, height, pixels, &ctx->Unpack ); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BITMAP, 7 ); + if (n) { + n[1].i = (GLint) width; + n[2].i = (GLint) height; + n[3].f = xorig; + n[4].f = yorig; + n[5].f = xmove; + n[6].f = ymove; + n[7].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Bitmap)( width, height, + xorig, yorig, xmove, ymove, pixels ); + } +} + + +static void GLAPIENTRY save_BlendEquation( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BLEND_EQUATION, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BlendEquation)( mode ); + } +} + + +static void GLAPIENTRY save_BlendEquationSeparateEXT( GLenum modeRGB, + GLenum modeA ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BLEND_EQUATION_SEPARATE, 2 ); + if (n) { + n[1].e = modeRGB; + n[2].e = modeA; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BlendEquationSeparateEXT)( modeRGB, modeA ); + } +} + + +static void GLAPIENTRY save_BlendFuncSeparateEXT(GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BLEND_FUNC_SEPARATE, 4 ); + if (n) { + n[1].e = sfactorRGB; + n[2].e = dfactorRGB; + n[3].e = sfactorA; + n[4].e = dfactorA; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BlendFuncSeparateEXT)( sfactorRGB, dfactorRGB, + sfactorA, dfactorA); + } +} + + +static void GLAPIENTRY save_BlendColor( GLfloat red, GLfloat green, + GLfloat blue, GLfloat alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BLEND_COLOR, 4 ); + if (n) { + n[1].f = red; + n[2].f = green; + n[3].f = blue; + n[4].f = alpha; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BlendColor)( red, green, blue, alpha ); + } +} + + +void GLAPIENTRY _mesa_save_CallList( GLuint list ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES(ctx); + + n = ALLOC_INSTRUCTION( ctx, OPCODE_CALL_LIST, 1 ); + if (n) { + n[1].ui = list; + } + + /* After this, we don't know what begin/end state we're in: + */ + ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN; + + if (ctx->ExecuteFlag) { + (*ctx->Exec->CallList)( list ); + } +} + + +void GLAPIENTRY _mesa_save_CallLists( GLsizei n, GLenum type, const GLvoid *lists ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + GLboolean typeErrorFlag; + + SAVE_FLUSH_VERTICES(ctx); + + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_2_BYTES: + case GL_3_BYTES: + case GL_4_BYTES: + typeErrorFlag = GL_FALSE; + break; + default: + typeErrorFlag = GL_TRUE; + } + + for (i=0;i<n;i++) { + GLuint list = translate_id( i, type, lists ); + Node *n = ALLOC_INSTRUCTION( ctx, OPCODE_CALL_LIST_OFFSET, 2 ); + if (n) { + n[1].ui = list; + n[2].b = typeErrorFlag; + } + } + + /* After this, we don't know what begin/end state we're in: + */ + ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN; + + if (ctx->ExecuteFlag) { + (*ctx->Exec->CallLists)( n, type, lists ); + } +} + + +static void GLAPIENTRY save_Clear( GLbitfield mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR, 1 ); + if (n) { + n[1].bf = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Clear)( mask ); + } +} + + +static void GLAPIENTRY save_ClearAccum( GLfloat red, GLfloat green, + GLfloat blue, GLfloat alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR_ACCUM, 4 ); + if (n) { + n[1].f = red; + n[2].f = green; + n[3].f = blue; + n[4].f = alpha; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClearAccum)( red, green, blue, alpha ); + } +} + + +static void GLAPIENTRY save_ClearColor( GLclampf red, GLclampf green, + GLclampf blue, GLclampf alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR_COLOR, 4 ); + if (n) { + n[1].f = red; + n[2].f = green; + n[3].f = blue; + n[4].f = alpha; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClearColor)( red, green, blue, alpha ); + } +} + + +static void GLAPIENTRY save_ClearDepth( GLclampd depth ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR_DEPTH, 1 ); + if (n) { + n[1].f = (GLfloat) depth; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClearDepth)( depth ); + } +} + + +static void GLAPIENTRY save_ClearIndex( GLfloat c ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR_INDEX, 1 ); + if (n) { + n[1].f = c; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClearIndex)( c ); + } +} + + +static void GLAPIENTRY save_ClearStencil( GLint s ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLEAR_STENCIL, 1 ); + if (n) { + n[1].i = s; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClearStencil)( s ); + } +} + + +static void GLAPIENTRY save_ClipPlane( GLenum plane, const GLdouble *equ ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CLIP_PLANE, 5 ); + if (n) { + n[1].e = plane; + n[2].f = (GLfloat) equ[0]; + n[3].f = (GLfloat) equ[1]; + n[4].f = (GLfloat) equ[2]; + n[5].f = (GLfloat) equ[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ClipPlane)( plane, equ ); + } +} + + + +static void GLAPIENTRY save_ColorMask( GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_MASK, 4 ); + if (n) { + n[1].b = red; + n[2].b = green; + n[3].b = blue; + n[4].b = alpha; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorMask)( red, green, blue, alpha ); + } +} + + +static void GLAPIENTRY save_ColorMaterial( GLenum face, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_MATERIAL, 2 ); + if (n) { + n[1].e = face; + n[2].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorMaterial)( face, mode ); + } +} + + +static void GLAPIENTRY save_ColorTable( GLenum target, GLenum internalFormat, + GLsizei width, GLenum format, GLenum type, + const GLvoid *table ) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_1D || + target == GL_PROXY_TEXTURE_2D || + target == GL_PROXY_TEXTURE_3D || + target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { + /* execute immediately */ + (*ctx->Exec->ColorTable)( target, internalFormat, width, + format, type, table ); + } + else { + GLvoid *image = unpack_image(width, 1, 1, format, type, table, + &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_TABLE, 6 ); + if (n) { + n[1].e = target; + n[2].e = internalFormat; + n[3].i = width; + n[4].e = format; + n[5].e = type; + n[6].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorTable)( target, internalFormat, width, + format, type, table ); + } + } +} + + + +static void GLAPIENTRY +save_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_TABLE_PARAMETER_FV, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].f = params[0]; + if (pname == GL_COLOR_TABLE_SGI || + pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI || + pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI || + pname == GL_TEXTURE_COLOR_TABLE_SGI) { + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + } + + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorTableParameterfv)( target, pname, params ); + } +} + + +static void GLAPIENTRY +save_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_TABLE_PARAMETER_IV, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].i = params[0]; + if (pname == GL_COLOR_TABLE_SGI || + pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI || + pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI || + pname == GL_TEXTURE_COLOR_TABLE_SGI) { + n[4].i = params[1]; + n[5].i = params[2]; + n[6].i = params[3]; + } + } + + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorTableParameteriv)( target, pname, params ); + } +} + + + +static void GLAPIENTRY save_ColorSubTable( GLenum target, GLsizei start, GLsizei count, + GLenum format, GLenum type, + const GLvoid *table) +{ + GET_CURRENT_CONTEXT(ctx); + GLvoid *image = unpack_image(count, 1, 1, format, type, table, + &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COLOR_SUB_TABLE, 6 ); + if (n) { + n[1].e = target; + n[2].i = start; + n[3].i = count; + n[4].e = format; + n[5].e = type; + n[6].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ColorSubTable)(target, start, count, format, type, table); + } +} + + +static void GLAPIENTRY +save_CopyColorSubTable(GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_COLOR_SUB_TABLE, 5 ); + if (n) { + n[1].e = target; + n[2].i = start; + n[3].i = x; + n[4].i = y; + n[5].i = width; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyColorSubTable)(target, start, x, y, width); + } +} + + +static void GLAPIENTRY +save_CopyColorTable(GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_COLOR_TABLE, 5 ); + if (n) { + n[1].e = target; + n[2].e = internalformat; + n[3].i = x; + n[4].i = y; + n[5].i = width; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyColorTable)(target, internalformat, x, y, width); + } +} + + +static void GLAPIENTRY +save_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, + GLenum format, GLenum type, const GLvoid *filter) +{ + GET_CURRENT_CONTEXT(ctx); + GLvoid *image = unpack_image(width, 1, 1, format, type, filter, + &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_FILTER_1D, 6 ); + if (n) { + n[1].e = target; + n[2].e = internalFormat; + n[3].i = width; + n[4].e = format; + n[5].e = type; + n[6].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionFilter1D)( target, internalFormat, width, + format, type, filter ); + } +} + + +static void GLAPIENTRY +save_ConvolutionFilter2D(GLenum target, GLenum internalFormat, + GLsizei width, GLsizei height, GLenum format, + GLenum type, const GLvoid *filter) +{ + GET_CURRENT_CONTEXT(ctx); + GLvoid *image = unpack_image(width, height, 1, format, type, filter, + &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_FILTER_2D, 7 ); + if (n) { + n[1].e = target; + n[2].e = internalFormat; + n[3].i = width; + n[4].i = height; + n[5].e = format; + n[6].e = type; + n[7].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionFilter2D)( target, internalFormat, width, height, + format, type, filter ); + } +} + + +static void GLAPIENTRY +save_ConvolutionParameteri(GLenum target, GLenum pname, GLint param) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_PARAMETER_I, 3 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].i = param; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionParameteri)( target, pname, param ); + } +} + + +static void GLAPIENTRY +save_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_PARAMETER_IV, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].i = params[0]; + if (pname == GL_CONVOLUTION_BORDER_COLOR || + pname == GL_CONVOLUTION_FILTER_SCALE || + pname == GL_CONVOLUTION_FILTER_BIAS) { + n[4].i = params[1]; + n[5].i = params[2]; + n[6].i = params[3]; + } + else { + n[4].i = n[5].i = n[6].i = 0; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionParameteriv)( target, pname, params ); + } +} + + +static void GLAPIENTRY +save_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat param) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_PARAMETER_F, 3 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].f = param; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionParameterf)( target, pname, param ); + } +} + + +static void GLAPIENTRY +save_ConvolutionParameterfv(GLenum target, GLenum pname, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CONVOLUTION_PARAMETER_FV, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].f = params[0]; + if (pname == GL_CONVOLUTION_BORDER_COLOR || + pname == GL_CONVOLUTION_FILTER_SCALE || + pname == GL_CONVOLUTION_FILTER_BIAS) { + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + else { + n[4].f = n[5].f = n[6].f = 0.0F; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ConvolutionParameterfv)( target, pname, params ); + } +} + + +static void GLAPIENTRY +save_CopyPixels( GLint x, GLint y, + GLsizei width, GLsizei height, GLenum type ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_PIXELS, 5 ); + if (n) { + n[1].i = x; + n[2].i = y; + n[3].i = (GLint) width; + n[4].i = (GLint) height; + n[5].e = type; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyPixels)( x, y, width, height, type ); + } +} + + + +static void GLAPIENTRY +save_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat, + GLint x, GLint y, GLsizei width, GLint border ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_TEX_IMAGE1D, 7 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].e = internalformat; + n[4].i = x; + n[5].i = y; + n[6].i = width; + n[7].i = border; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyTexImage1D)( target, level, internalformat, + x, y, width, border ); + } +} + + +static void GLAPIENTRY +save_CopyTexImage2D( GLenum target, GLint level, + GLenum internalformat, + GLint x, GLint y, GLsizei width, + GLsizei height, GLint border ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_TEX_IMAGE2D, 8 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].e = internalformat; + n[4].i = x; + n[5].i = y; + n[6].i = width; + n[7].i = height; + n[8].i = border; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyTexImage2D)( target, level, internalformat, + x, y, width, height, border ); + } +} + + + +static void GLAPIENTRY +save_CopyTexSubImage1D( GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, + GLsizei width ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_TEX_SUB_IMAGE1D, 6 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = x; + n[5].i = y; + n[6].i = width; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyTexSubImage1D)( target, level, xoffset, x, y, width ); + } +} + + +static void GLAPIENTRY +save_CopyTexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, + GLsizei width, GLint height ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_TEX_SUB_IMAGE2D, 8 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = x; + n[6].i = y; + n[7].i = width; + n[8].i = height; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyTexSubImage2D)( target, level, xoffset, yoffset, + x, y, width, height ); + } +} + + +static void GLAPIENTRY +save_CopyTexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, + GLsizei width, GLint height ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COPY_TEX_SUB_IMAGE3D, 9 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = zoffset; + n[6].i = x; + n[7].i = y; + n[8].i = width; + n[9].i = height; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CopyTexSubImage3D)( target, level, + xoffset, yoffset, zoffset, + x, y, width, height ); + } +} + + +static void GLAPIENTRY save_CullFace( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_CULL_FACE, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CullFace)( mode ); + } +} + + +static void GLAPIENTRY save_DepthFunc( GLenum func ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DEPTH_FUNC, 1 ); + if (n) { + n[1].e = func; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DepthFunc)( func ); + } +} + + +static void GLAPIENTRY save_DepthMask( GLboolean mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DEPTH_MASK, 1 ); + if (n) { + n[1].b = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DepthMask)( mask ); + } +} + + +static void GLAPIENTRY save_DepthRange( GLclampd nearval, GLclampd farval ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DEPTH_RANGE, 2 ); + if (n) { + n[1].f = (GLfloat) nearval; + n[2].f = (GLfloat) farval; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DepthRange)( nearval, farval ); + } +} + + +static void GLAPIENTRY save_Disable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DISABLE, 1 ); + if (n) { + n[1].e = cap; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Disable)( cap ); + } +} + + +static void GLAPIENTRY save_DrawBuffer( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DRAW_BUFFER, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DrawBuffer)( mode ); + } +} + + +static void GLAPIENTRY save_DrawPixels( GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + GLvoid *image = unpack_image(width, height, 1, format, type, + pixels, &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DRAW_PIXELS, 5 ); + if (n) { + n[1].i = width; + n[2].i = height; + n[3].e = format; + n[4].e = type; + n[5].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DrawPixels)( width, height, format, type, pixels ); + } +} + + + +static void GLAPIENTRY save_Enable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ENABLE, 1 ); + if (n) { + n[1].e = cap; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Enable)( cap ); + } +} + + + +void GLAPIENTRY _mesa_save_EvalMesh1( GLenum mode, GLint i1, GLint i2 ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVALMESH1, 3 ); + if (n) { + n[1].e = mode; + n[2].i = i1; + n[3].i = i2; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalMesh1)( mode, i1, i2 ); + } +} + + +void GLAPIENTRY _mesa_save_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVALMESH2, 5 ); + if (n) { + n[1].e = mode; + n[2].i = i1; + n[3].i = i2; + n[4].i = j1; + n[5].i = j2; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalMesh2)( mode, i1, i2, j1, j2 ); + } +} + + + + +static void GLAPIENTRY save_Fogfv( GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_FOG, 5 ); + if (n) { + n[1].e = pname; + n[2].f = params[0]; + n[3].f = params[1]; + n[4].f = params[2]; + n[5].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Fogfv)( pname, params ); + } +} + + +static void GLAPIENTRY save_Fogf( GLenum pname, GLfloat param ) +{ + save_Fogfv(pname, ¶m); +} + + +static void GLAPIENTRY save_Fogiv(GLenum pname, const GLint *params ) +{ + GLfloat p[4]; + switch (pname) { + case GL_FOG_MODE: + case GL_FOG_DENSITY: + case GL_FOG_START: + case GL_FOG_END: + case GL_FOG_INDEX: + p[0] = (GLfloat) *params; + break; + case GL_FOG_COLOR: + p[0] = INT_TO_FLOAT( params[0] ); + p[1] = INT_TO_FLOAT( params[1] ); + p[2] = INT_TO_FLOAT( params[2] ); + p[3] = INT_TO_FLOAT( params[3] ); + break; + default: + /* Error will be caught later in gl_Fogfv */ + ; + } + save_Fogfv(pname, p); +} + + +static void GLAPIENTRY save_Fogi(GLenum pname, GLint param ) +{ + save_Fogiv(pname, ¶m); +} + + +static void GLAPIENTRY save_FrontFace( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_FRONT_FACE, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->FrontFace)( mode ); + } +} + + +static void GLAPIENTRY save_Frustum( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_FRUSTUM, 6 ); + if (n) { + n[1].f = (GLfloat) left; + n[2].f = (GLfloat) right; + n[3].f = (GLfloat) bottom; + n[4].f = (GLfloat) top; + n[5].f = (GLfloat) nearval; + n[6].f = (GLfloat) farval; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Frustum)( left, right, bottom, top, nearval, farval ); + } +} + + +static void GLAPIENTRY save_Hint( GLenum target, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_HINT, 2 ); + if (n) { + n[1].e = target; + n[2].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Hint)( target, mode ); + } +} + + +static void GLAPIENTRY +save_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_HISTOGRAM, 4 ); + if (n) { + n[1].e = target; + n[2].i = width; + n[3].e = internalFormat; + n[4].b = sink; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Histogram)( target, width, internalFormat, sink ); + } +} + + +static void GLAPIENTRY save_IndexMask( GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_INDEX_MASK, 1 ); + if (n) { + n[1].ui = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->IndexMask)( mask ); + } +} + + +static void GLAPIENTRY save_InitNames( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_INIT_NAMES, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->InitNames)(); + } +} + + +static void GLAPIENTRY save_Lightfv( GLenum light, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LIGHT, 6 ); + if (OPCODE_LIGHT) { + GLint i, nParams; + n[1].e = light; + n[2].e = pname; + switch (pname) { + case GL_AMBIENT: + nParams = 4; + break; + case GL_DIFFUSE: + nParams = 4; + break; + case GL_SPECULAR: + nParams = 4; + break; + case GL_POSITION: + nParams = 4; + break; + case GL_SPOT_DIRECTION: + nParams = 3; + break; + case GL_SPOT_EXPONENT: + nParams = 1; + break; + case GL_SPOT_CUTOFF: + nParams = 1; + break; + case GL_CONSTANT_ATTENUATION: + nParams = 1; + break; + case GL_LINEAR_ATTENUATION: + nParams = 1; + break; + case GL_QUADRATIC_ATTENUATION: + nParams = 1; + break; + default: + nParams = 0; + } + for (i = 0; i < nParams; i++) { + n[3+i].f = params[i]; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Lightfv)( light, pname, params ); + } +} + + +static void GLAPIENTRY save_Lightf( GLenum light, GLenum pname, GLfloat params ) +{ + save_Lightfv(light, pname, ¶ms); +} + + +static void GLAPIENTRY save_Lightiv( GLenum light, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_POSITION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + fparam[3] = (GLfloat) params[3]; + break; + case GL_SPOT_DIRECTION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + break; + case GL_SPOT_EXPONENT: + case GL_SPOT_CUTOFF: + case GL_CONSTANT_ATTENUATION: + case GL_LINEAR_ATTENUATION: + case GL_QUADRATIC_ATTENUATION: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* error will be caught later in gl_Lightfv */ + ; + } + save_Lightfv( light, pname, fparam ); +} + + +static void GLAPIENTRY save_Lighti( GLenum light, GLenum pname, GLint param ) +{ + save_Lightiv( light, pname, ¶m ); +} + + +static void GLAPIENTRY save_LightModelfv( GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LIGHT_MODEL, 5 ); + if (n) { + n[1].e = pname; + n[2].f = params[0]; + n[3].f = params[1]; + n[4].f = params[2]; + n[5].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LightModelfv)( pname, params ); + } +} + + +static void GLAPIENTRY save_LightModelf( GLenum pname, GLfloat param ) +{ + save_LightModelfv(pname, ¶m); +} + + +static void GLAPIENTRY save_LightModeliv( GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + switch (pname) { + case GL_LIGHT_MODEL_AMBIENT: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + case GL_LIGHT_MODEL_TWO_SIDE: + case GL_LIGHT_MODEL_COLOR_CONTROL: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* Error will be caught later in gl_LightModelfv */ + ; + } + save_LightModelfv(pname, fparam); +} + + +static void GLAPIENTRY save_LightModeli( GLenum pname, GLint param ) +{ + save_LightModeliv(pname, ¶m); +} + + +static void GLAPIENTRY save_LineStipple( GLint factor, GLushort pattern ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LINE_STIPPLE, 2 ); + if (n) { + n[1].i = factor; + n[2].us = pattern; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LineStipple)( factor, pattern ); + } +} + + +static void GLAPIENTRY save_LineWidth( GLfloat width ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LINE_WIDTH, 1 ); + if (n) { + n[1].f = width; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LineWidth)( width ); + } +} + + +static void GLAPIENTRY save_ListBase( GLuint base ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LIST_BASE, 1 ); + if (n) { + n[1].ui = base; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ListBase)( base ); + } +} + + +static void GLAPIENTRY save_LoadIdentity( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_IDENTITY, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->LoadIdentity)(); + } +} + + +static void GLAPIENTRY save_LoadMatrixf( const GLfloat *m ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_MATRIX, 16 ); + if (n) { + GLuint i; + for (i=0;i<16;i++) { + n[1+i].f = m[i]; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LoadMatrixf)( m ); + } +} + + +static void GLAPIENTRY save_LoadMatrixd( const GLdouble *m ) +{ + GLfloat f[16]; + GLint i; + for (i = 0; i < 16; i++) { + f[i] = (GLfloat) m[i]; + } + save_LoadMatrixf(f); +} + + +static void GLAPIENTRY save_LoadName( GLuint name ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_NAME, 1 ); + if (n) { + n[1].ui = name; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LoadName)( name ); + } +} + + +static void GLAPIENTRY save_LogicOp( GLenum opcode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LOGIC_OP, 1 ); + if (n) { + n[1].e = opcode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LogicOp)( opcode ); + } +} + + +static void GLAPIENTRY save_Map1d( GLenum target, GLdouble u1, GLdouble u2, GLint stride, + GLint order, const GLdouble *points) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAP1, 6 ); + if (n) { + GLfloat *pnts = _mesa_copy_map_points1d( target, stride, order, points ); + n[1].e = target; + n[2].f = (GLfloat) u1; + n[3].f = (GLfloat) u2; + n[4].i = _mesa_evaluator_components(target); /* stride */ + n[5].i = order; + n[6].data = (void *) pnts; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Map1d)( target, u1, u2, stride, order, points ); + } +} + +static void GLAPIENTRY save_Map1f( GLenum target, GLfloat u1, GLfloat u2, GLint stride, + GLint order, const GLfloat *points) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAP1, 6 ); + if (n) { + GLfloat *pnts = _mesa_copy_map_points1f( target, stride, order, points ); + n[1].e = target; + n[2].f = u1; + n[3].f = u2; + n[4].i = _mesa_evaluator_components(target); /* stride */ + n[5].i = order; + n[6].data = (void *) pnts; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Map1f)( target, u1, u2, stride, order, points ); + } +} + + +static void GLAPIENTRY save_Map2d( GLenum target, + GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, + GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, + const GLdouble *points ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAP2, 10 ); + if (n) { + GLfloat *pnts = _mesa_copy_map_points2d( target, ustride, uorder, + vstride, vorder, points ); + n[1].e = target; + n[2].f = (GLfloat) u1; + n[3].f = (GLfloat) u2; + n[4].f = (GLfloat) v1; + n[5].f = (GLfloat) v2; + /* XXX verify these strides are correct */ + n[6].i = _mesa_evaluator_components(target) * vorder; /*ustride*/ + n[7].i = _mesa_evaluator_components(target); /*vstride*/ + n[8].i = uorder; + n[9].i = vorder; + n[10].data = (void *) pnts; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Map2d)( target, + u1, u2, ustride, uorder, + v1, v2, vstride, vorder, points ); + } +} + + +static void GLAPIENTRY save_Map2f( GLenum target, + GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLfloat *points ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAP2, 10 ); + if (n) { + GLfloat *pnts = _mesa_copy_map_points2f( target, ustride, uorder, + vstride, vorder, points ); + n[1].e = target; + n[2].f = u1; + n[3].f = u2; + n[4].f = v1; + n[5].f = v2; + /* XXX verify these strides are correct */ + n[6].i = _mesa_evaluator_components(target) * vorder; /*ustride*/ + n[7].i = _mesa_evaluator_components(target); /*vstride*/ + n[8].i = uorder; + n[9].i = vorder; + n[10].data = (void *) pnts; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Map2f)( target, u1, u2, ustride, uorder, + v1, v2, vstride, vorder, points ); + } +} + + +static void GLAPIENTRY save_MapGrid1f( GLint un, GLfloat u1, GLfloat u2 ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAPGRID1, 3 ); + if (n) { + n[1].i = un; + n[2].f = u1; + n[3].f = u2; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->MapGrid1f)( un, u1, u2 ); + } +} + + +static void GLAPIENTRY save_MapGrid1d( GLint un, GLdouble u1, GLdouble u2 ) +{ + save_MapGrid1f(un, (GLfloat) u1, (GLfloat) u2); +} + + +static void GLAPIENTRY save_MapGrid2f( GLint un, GLfloat u1, GLfloat u2, + GLint vn, GLfloat v1, GLfloat v2 ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MAPGRID2, 6 ); + if (n) { + n[1].i = un; + n[2].f = u1; + n[3].f = u2; + n[4].i = vn; + n[5].f = v1; + n[6].f = v2; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->MapGrid2f)( un, u1, u2, vn, v1, v2 ); + } +} + + + +static void GLAPIENTRY save_MapGrid2d( GLint un, GLdouble u1, GLdouble u2, + GLint vn, GLdouble v1, GLdouble v2 ) +{ + save_MapGrid2f(un, (GLfloat) u1, (GLfloat) u2, + vn, (GLfloat) v1, (GLfloat) v2); +} + + +static void GLAPIENTRY save_MatrixMode( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MATRIX_MODE, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->MatrixMode)( mode ); + } +} + + +static void GLAPIENTRY +save_Minmax(GLenum target, GLenum internalFormat, GLboolean sink) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MIN_MAX, 3 ); + if (n) { + n[1].e = target; + n[2].e = internalFormat; + n[3].b = sink; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Minmax)( target, internalFormat, sink ); + } +} + + +static void GLAPIENTRY save_MultMatrixf( const GLfloat *m ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_MULT_MATRIX, 16 ); + if (n) { + GLuint i; + for (i=0;i<16;i++) { + n[1+i].f = m[i]; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->MultMatrixf)( m ); + } +} + + +static void GLAPIENTRY save_MultMatrixd( const GLdouble *m ) +{ + GLfloat f[16]; + GLint i; + for (i = 0; i < 16; i++) { + f[i] = (GLfloat) m[i]; + } + save_MultMatrixf(f); +} + + +static void GLAPIENTRY save_NewList( GLuint list, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + /* It's an error to call this function while building a display list */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glNewList" ); + (void) list; + (void) mode; +} + + + +static void GLAPIENTRY save_Ortho( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ORTHO, 6 ); + if (n) { + n[1].f = (GLfloat) left; + n[2].f = (GLfloat) right; + n[3].f = (GLfloat) bottom; + n[4].f = (GLfloat) top; + n[5].f = (GLfloat) nearval; + n[6].f = (GLfloat) farval; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Ortho)( left, right, bottom, top, nearval, farval ); + } +} + + +static void GLAPIENTRY +save_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PIXEL_MAP, 3 ); + if (n) { + n[1].e = map; + n[2].i = mapsize; + n[3].data = (void *) MALLOC( mapsize * sizeof(GLfloat) ); + MEMCPY( n[3].data, (void *) values, mapsize * sizeof(GLfloat) ); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PixelMapfv)( map, mapsize, values ); + } +} + + +static void GLAPIENTRY +save_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values ) +{ + GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; + GLint i; + if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) { + for (i=0;i<mapsize;i++) { + fvalues[i] = (GLfloat) values[i]; + } + } + else { + for (i=0;i<mapsize;i++) { + fvalues[i] = UINT_TO_FLOAT( values[i] ); + } + } + save_PixelMapfv(map, mapsize, fvalues); +} + + +static void GLAPIENTRY +save_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values) +{ + GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; + GLint i; + if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) { + for (i=0;i<mapsize;i++) { + fvalues[i] = (GLfloat) values[i]; + } + } + else { + for (i=0;i<mapsize;i++) { + fvalues[i] = USHORT_TO_FLOAT( values[i] ); + } + } + save_PixelMapfv(map, mapsize, fvalues); +} + + +static void GLAPIENTRY +save_PixelTransferf( GLenum pname, GLfloat param ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PIXEL_TRANSFER, 2 ); + if (n) { + n[1].e = pname; + n[2].f = param; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PixelTransferf)( pname, param ); + } +} + + +static void GLAPIENTRY +save_PixelTransferi( GLenum pname, GLint param ) +{ + save_PixelTransferf( pname, (GLfloat) param ); +} + + +static void GLAPIENTRY +save_PixelZoom( GLfloat xfactor, GLfloat yfactor ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PIXEL_ZOOM, 2 ); + if (n) { + n[1].f = xfactor; + n[2].f = yfactor; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PixelZoom)( xfactor, yfactor ); + } +} + + +static void GLAPIENTRY +save_PointParameterfvEXT( GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_POINT_PARAMETERS, 4 ); + if (n) { + n[1].e = pname; + n[2].f = params[0]; + n[3].f = params[1]; + n[4].f = params[2]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PointParameterfvEXT)( pname, params ); + } +} + + +static void GLAPIENTRY save_PointParameterfEXT( GLenum pname, GLfloat param ) +{ + save_PointParameterfvEXT(pname, ¶m); +} + +static void GLAPIENTRY save_PointParameteriNV( GLenum pname, GLint param ) +{ + GLfloat p = (GLfloat) param; + save_PointParameterfvEXT(pname, &p); +} + +static void GLAPIENTRY save_PointParameterivNV( GLenum pname, const GLint *param ) +{ + GLfloat p = (GLfloat) param[0]; + save_PointParameterfvEXT(pname, &p); +} + + +static void GLAPIENTRY save_PointSize( GLfloat size ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_POINT_SIZE, 1 ); + if (n) { + n[1].f = size; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PointSize)( size ); + } +} + + +static void GLAPIENTRY save_PolygonMode( GLenum face, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_POLYGON_MODE, 2 ); + if (n) { + n[1].e = face; + n[2].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PolygonMode)( face, mode ); + } +} + + +/* + * Polygon stipple must have been upacked already! + */ +static void GLAPIENTRY save_PolygonStipple( const GLubyte *pattern ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_POLYGON_STIPPLE, 1 ); + if (n) { + void *data; + n[1].data = MALLOC( 32 * 4 ); + data = n[1].data; /* This needed for Acorn compiler */ + MEMCPY( data, pattern, 32 * 4 ); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PolygonStipple)( (GLubyte*) pattern ); + } +} + + +static void GLAPIENTRY save_PolygonOffset( GLfloat factor, GLfloat units ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_POLYGON_OFFSET, 2 ); + if (n) { + n[1].f = factor; + n[2].f = units; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PolygonOffset)( factor, units ); + } +} + + +static void GLAPIENTRY save_PolygonOffsetEXT( GLfloat factor, GLfloat bias ) +{ + GET_CURRENT_CONTEXT(ctx); + save_PolygonOffset(factor, ctx->DepthMaxF * bias); +} + + +static void GLAPIENTRY save_PopAttrib( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_POP_ATTRIB, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->PopAttrib)(); + } +} + + +static void GLAPIENTRY save_PopMatrix( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_POP_MATRIX, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->PopMatrix)(); + } +} + + +static void GLAPIENTRY save_PopName( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_POP_NAME, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->PopName)(); + } +} + + +static void GLAPIENTRY save_PrioritizeTextures( GLsizei num, const GLuint *textures, + const GLclampf *priorities ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + for (i=0;i<num;i++) { + Node *n; + n = ALLOC_INSTRUCTION( ctx, OPCODE_PRIORITIZE_TEXTURE, 2 ); + if (n) { + n[1].ui = textures[i]; + n[2].f = priorities[i]; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PrioritizeTextures)( num, textures, priorities ); + } +} + + +static void GLAPIENTRY save_PushAttrib( GLbitfield mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PUSH_ATTRIB, 1 ); + if (n) { + n[1].bf = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PushAttrib)( mask ); + } +} + + +static void GLAPIENTRY save_PushMatrix( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_PUSH_MATRIX, 0 ); + if (ctx->ExecuteFlag) { + (*ctx->Exec->PushMatrix)(); + } +} + + +static void GLAPIENTRY save_PushName( GLuint name ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PUSH_NAME, 1 ); + if (n) { + n[1].ui = name; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PushName)( name ); + } +} + + +static void GLAPIENTRY save_RasterPos4f( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_RASTER_POS, 4 ); + if (n) { + n[1].f = x; + n[2].f = y; + n[3].f = z; + n[4].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->RasterPos4f)( x, y, z, w ); + } +} + +static void GLAPIENTRY save_RasterPos2d(GLdouble x, GLdouble y) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2f(GLfloat x, GLfloat y) +{ + save_RasterPos4f(x, y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2i(GLint x, GLint y) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2s(GLshort x, GLshort y) +{ + save_RasterPos4f(x, y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos3d(GLdouble x, GLdouble y, GLdouble z) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +static void GLAPIENTRY save_RasterPos3f(GLfloat x, GLfloat y, GLfloat z) +{ + save_RasterPos4f(x, y, z, 1.0F); +} + +static void GLAPIENTRY save_RasterPos3i(GLint x, GLint y, GLint z) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +static void GLAPIENTRY save_RasterPos3s(GLshort x, GLshort y, GLshort z) +{ + save_RasterPos4f(x, y, z, 1.0F); +} + +static void GLAPIENTRY save_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY save_RasterPos4i(GLint x, GLint y, GLint z, GLint w) +{ + save_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY save_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w) +{ + save_RasterPos4f(x, y, z, w); +} + +static void GLAPIENTRY save_RasterPos2dv(const GLdouble *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2fv(const GLfloat *v) +{ + save_RasterPos4f(v[0], v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2iv(const GLint *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos2sv(const GLshort *v) +{ + save_RasterPos4f(v[0], v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_RasterPos3dv(const GLdouble *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +static void GLAPIENTRY save_RasterPos3fv(const GLfloat *v) +{ + save_RasterPos4f(v[0], v[1], v[2], 1.0F); +} + +static void GLAPIENTRY save_RasterPos3iv(const GLint *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +static void GLAPIENTRY save_RasterPos3sv(const GLshort *v) +{ + save_RasterPos4f(v[0], v[1], v[2], 1.0F); +} + +static void GLAPIENTRY save_RasterPos4dv(const GLdouble *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY save_RasterPos4fv(const GLfloat *v) +{ + save_RasterPos4f(v[0], v[1], v[2], v[3]); +} + +static void GLAPIENTRY save_RasterPos4iv(const GLint *v) +{ + save_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY save_RasterPos4sv(const GLshort *v) +{ + save_RasterPos4f(v[0], v[1], v[2], v[3]); +} + + +static void GLAPIENTRY save_PassThrough( GLfloat token ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PASSTHROUGH, 1 ); + if (n) { + n[1].f = token; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PassThrough)( token ); + } +} + + +static void GLAPIENTRY save_ReadBuffer( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_READ_BUFFER, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ReadBuffer)( mode ); + } +} + + +static void GLAPIENTRY +save_ResetHistogram(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_RESET_HISTOGRAM, 1 ); + if (n) { + n[1].e = target; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ResetHistogram)( target ); + } +} + + +static void GLAPIENTRY +save_ResetMinmax(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_RESET_MIN_MAX, 1 ); + if (n) { + n[1].e = target; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ResetMinmax)( target ); + } +} + + +static void GLAPIENTRY save_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ROTATE, 4 ); + if (n) { + n[1].f = angle; + n[2].f = x; + n[3].f = y; + n[4].f = z; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Rotatef)( angle, x, y, z ); + } +} + + +static void GLAPIENTRY save_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z ) +{ + save_Rotatef((GLfloat) angle, (GLfloat) x, (GLfloat) y, (GLfloat) z); +} + + +static void GLAPIENTRY save_Scalef( GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_SCALE, 3 ); + if (n) { + n[1].f = x; + n[2].f = y; + n[3].f = z; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Scalef)( x, y, z ); + } +} + + +static void GLAPIENTRY save_Scaled( GLdouble x, GLdouble y, GLdouble z ) +{ + save_Scalef((GLfloat) x, (GLfloat) y, (GLfloat) z); +} + + +static void GLAPIENTRY save_Scissor( GLint x, GLint y, GLsizei width, GLsizei height ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_SCISSOR, 4 ); + if (n) { + n[1].i = x; + n[2].i = y; + n[3].i = width; + n[4].i = height; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Scissor)( x, y, width, height ); + } +} + + +static void GLAPIENTRY save_ShadeModel( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_SHADE_MODEL, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ShadeModel)( mode ); + } +} + + +static void GLAPIENTRY save_StencilFunc( GLenum func, GLint ref, GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_STENCIL_FUNC, 3 ); + if (n) { + n[1].e = func; + n[2].i = ref; + n[3].ui = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->StencilFunc)( func, ref, mask ); + } +} + + +static void GLAPIENTRY save_StencilMask( GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_STENCIL_MASK, 1 ); + if (n) { + n[1].ui = mask; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->StencilMask)( mask ); + } +} + + +static void GLAPIENTRY save_StencilOp( GLenum fail, GLenum zfail, GLenum zpass ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_STENCIL_OP, 3 ); + if (n) { + n[1].e = fail; + n[2].e = zfail; + n[3].e = zpass; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->StencilOp)( fail, zfail, zpass ); + } +} + + +static void GLAPIENTRY save_TexEnvfv( GLenum target, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEXENV, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + if (pname == GL_TEXTURE_ENV_COLOR) { + n[3].f = params[0]; + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + else { + n[3].f = params[0]; + n[4].f = n[5].f = n[6].f = 0.0F; + } + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexEnvfv)( target, pname, params ); + } +} + + +static void GLAPIENTRY save_TexEnvf( GLenum target, GLenum pname, GLfloat param ) +{ + save_TexEnvfv( target, pname, ¶m ); +} + + +static void GLAPIENTRY save_TexEnvi( GLenum target, GLenum pname, GLint param ) +{ + GLfloat p[4]; + p[0] = (GLfloat) param; + p[1] = p[2] = p[3] = 0.0; + save_TexEnvfv( target, pname, p ); +} + + +static void GLAPIENTRY save_TexEnviv( GLenum target, GLenum pname, const GLint *param ) +{ + GLfloat p[4]; + if (pname == GL_TEXTURE_ENV_COLOR) { + p[0] = INT_TO_FLOAT( param[0] ); + p[1] = INT_TO_FLOAT( param[1] ); + p[2] = INT_TO_FLOAT( param[2] ); + p[3] = INT_TO_FLOAT( param[3] ); + } + else { + p[0] = (GLfloat) param[0]; + p[1] = p[2] = p[3] = 0.0F; + } + save_TexEnvfv( target, pname, p ); +} + + +static void GLAPIENTRY save_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEXGEN, 6 ); + if (n) { + n[1].e = coord; + n[2].e = pname; + n[3].f = params[0]; + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexGenfv)( coord, pname, params ); + } +} + + +static void GLAPIENTRY save_TexGeniv(GLenum coord, GLenum pname, const GLint *params ) +{ + GLfloat p[4]; + p[0] = (GLfloat) params[0]; + p[1] = (GLfloat) params[1]; + p[2] = (GLfloat) params[2]; + p[3] = (GLfloat) params[3]; + save_TexGenfv(coord, pname, p); +} + + +static void GLAPIENTRY save_TexGend(GLenum coord, GLenum pname, GLdouble param ) +{ + GLfloat p = (GLfloat) param; + save_TexGenfv( coord, pname, &p ); +} + + +static void GLAPIENTRY save_TexGendv(GLenum coord, GLenum pname, const GLdouble *params ) +{ + GLfloat p[4]; + p[0] = (GLfloat) params[0]; + p[1] = (GLfloat) params[1]; + p[2] = (GLfloat) params[2]; + p[3] = (GLfloat) params[3]; + save_TexGenfv( coord, pname, p ); +} + + +static void GLAPIENTRY save_TexGenf( GLenum coord, GLenum pname, GLfloat param ) +{ + save_TexGenfv(coord, pname, ¶m); +} + + +static void GLAPIENTRY save_TexGeni( GLenum coord, GLenum pname, GLint param ) +{ + save_TexGeniv( coord, pname, ¶m ); +} + + +static void GLAPIENTRY save_TexParameterfv( GLenum target, + GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEXPARAMETER, 6 ); + if (n) { + n[1].e = target; + n[2].e = pname; + n[3].f = params[0]; + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexParameterfv)( target, pname, params ); + } +} + + +static void GLAPIENTRY save_TexParameterf( GLenum target, GLenum pname, GLfloat param ) +{ + save_TexParameterfv(target, pname, ¶m); +} + + +static void GLAPIENTRY save_TexParameteri( GLenum target, GLenum pname, GLint param ) +{ + GLfloat fparam[4]; + fparam[0] = (GLfloat) param; + fparam[1] = fparam[2] = fparam[3] = 0.0; + save_TexParameterfv(target, pname, fparam); +} + + +static void GLAPIENTRY save_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + fparam[0] = (GLfloat) params[0]; + fparam[1] = fparam[2] = fparam[3] = 0.0; + save_TexParameterfv(target, pname, fparam); +} + + +static void GLAPIENTRY save_TexImage1D( GLenum target, + GLint level, GLint components, + GLsizei width, GLint border, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_1D) { + /* don't compile, execute immediately */ + (*ctx->Exec->TexImage1D)( target, level, components, width, + border, format, type, pixels ); + } + else { + GLvoid *image = unpack_image(width, 1, 1, format, type, + pixels, &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_IMAGE1D, 8 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = components; + n[4].i = (GLint) width; + n[5].i = border; + n[6].e = format; + n[7].e = type; + n[8].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexImage1D)( target, level, components, width, + border, format, type, pixels ); + } + } +} + + +static void GLAPIENTRY save_TexImage2D( GLenum target, + GLint level, GLint components, + GLsizei width, GLsizei height, GLint border, + GLenum format, GLenum type, + const GLvoid *pixels) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_2D) { + /* don't compile, execute immediately */ + (*ctx->Exec->TexImage2D)( target, level, components, width, + height, border, format, type, pixels ); + } + else { + GLvoid *image = unpack_image(width, height, 1, format, type, + pixels, &ctx->Unpack); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_IMAGE2D, 9 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = components; + n[4].i = (GLint) width; + n[5].i = (GLint) height; + n[6].i = border; + n[7].e = format; + n[8].e = type; + n[9].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexImage2D)( target, level, components, width, + height, border, format, type, pixels ); + } + } +} + + +static void GLAPIENTRY save_TexImage3D( GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_3D) { + /* don't compile, execute immediately */ + (*ctx->Exec->TexImage3D)( target, level, internalFormat, width, + height, depth, border, format, type, pixels ); + } + else { + Node *n; + GLvoid *image = unpack_image(width, height, depth, format, type, + pixels, &ctx->Unpack); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_IMAGE3D, 10 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = (GLint) internalFormat; + n[4].i = (GLint) width; + n[5].i = (GLint) height; + n[6].i = (GLint) depth; + n[7].i = border; + n[8].e = format; + n[9].e = type; + n[10].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexImage3D)( target, level, internalFormat, width, + height, depth, border, format, type, pixels ); + } + } +} + + +static void GLAPIENTRY save_TexSubImage1D( GLenum target, GLint level, GLint xoffset, + GLsizei width, GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLvoid *image = unpack_image(width, 1, 1, format, type, + pixels, &ctx->Unpack); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_SUB_IMAGE1D, 7 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = (GLint) width; + n[5].e = format; + n[6].e = type; + n[7].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexSubImage1D)( target, level, xoffset, width, + format, type, pixels ); + } +} + + +static void GLAPIENTRY save_TexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLvoid *image = unpack_image(width, height, 1, format, type, + pixels, &ctx->Unpack); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_SUB_IMAGE2D, 9 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = (GLint) width; + n[6].i = (GLint) height; + n[7].e = format; + n[8].e = type; + n[9].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexSubImage2D)( target, level, xoffset, yoffset, + width, height, format, type, pixels ); + } +} + + +static void GLAPIENTRY save_TexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset,GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLvoid *image = unpack_image(width, height, depth, format, type, + pixels, &ctx->Unpack); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TEX_SUB_IMAGE3D, 11 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = zoffset; + n[6].i = (GLint) width; + n[7].i = (GLint) height; + n[8].i = (GLint) depth; + n[9].e = format; + n[10].e = type; + n[11].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TexSubImage3D)( target, level, + xoffset, yoffset, zoffset, + width, height, depth, format, type, pixels ); + } +} + + +static void GLAPIENTRY save_Translatef( GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TRANSLATE, 3 ); + if (n) { + n[1].f = x; + n[2].f = y; + n[3].f = z; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Translatef)( x, y, z ); + } +} + + +static void GLAPIENTRY save_Translated( GLdouble x, GLdouble y, GLdouble z ) +{ + save_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z); +} + + + +static void GLAPIENTRY save_Viewport( GLint x, GLint y, GLsizei width, GLsizei height ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_VIEWPORT, 4 ); + if (n) { + n[1].i = x; + n[2].i = y; + n[3].i = (GLint) width; + n[4].i = (GLint) height; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Viewport)( x, y, width, height ); + } +} + + +static void GLAPIENTRY save_WindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_WINDOW_POS, 4 ); + if (n) { + n[1].f = x; + n[2].f = y; + n[3].f = z; + n[4].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->WindowPos4fMESA)( x, y, z, w ); + } +} + +static void GLAPIENTRY save_WindowPos2dMESA(GLdouble x, GLdouble y) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2fMESA(GLfloat x, GLfloat y) +{ + save_WindowPos4fMESA(x, y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2iMESA(GLint x, GLint y) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2sMESA(GLshort x, GLshort y) +{ + save_WindowPos4fMESA(x, y, 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +static void GLAPIENTRY save_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z) +{ + save_WindowPos4fMESA(x, y, z, 1.0F); +} + +static void GLAPIENTRY save_WindowPos3iMESA(GLint x, GLint y, GLint z) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +static void GLAPIENTRY save_WindowPos3sMESA(GLshort x, GLshort y, GLshort z) +{ + save_WindowPos4fMESA(x, y, z, 1.0F); +} + +static void GLAPIENTRY save_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY save_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w) +{ + save_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +static void GLAPIENTRY save_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w) +{ + save_WindowPos4fMESA(x, y, z, w); +} + +static void GLAPIENTRY save_WindowPos2dvMESA(const GLdouble *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2fvMESA(const GLfloat *v) +{ + save_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2ivMESA(const GLint *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos2svMESA(const GLshort *v) +{ + save_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F); +} + +static void GLAPIENTRY save_WindowPos3dvMESA(const GLdouble *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +static void GLAPIENTRY save_WindowPos3fvMESA(const GLfloat *v) +{ + save_WindowPos4fMESA(v[0], v[1], v[2], 1.0F); +} + +static void GLAPIENTRY save_WindowPos3ivMESA(const GLint *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +static void GLAPIENTRY save_WindowPos3svMESA(const GLshort *v) +{ + save_WindowPos4fMESA(v[0], v[1], v[2], 1.0F); +} + +static void GLAPIENTRY save_WindowPos4dvMESA(const GLdouble *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY save_WindowPos4fvMESA(const GLfloat *v) +{ + save_WindowPos4fMESA(v[0], v[1], v[2], v[3]); +} + +static void GLAPIENTRY save_WindowPos4ivMESA(const GLint *v) +{ + save_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +static void GLAPIENTRY save_WindowPos4svMESA(const GLshort *v) +{ + save_WindowPos4fMESA(v[0], v[1], v[2], v[3]); +} + + + +/* GL_ARB_multitexture */ +static void GLAPIENTRY save_ActiveTextureARB( GLenum target ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ACTIVE_TEXTURE, 1 ); + if (n) { + n[1].e = target; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ActiveTextureARB)( target ); + } +} + + +/* GL_ARB_transpose_matrix */ + +static void GLAPIENTRY save_LoadTransposeMatrixdARB( const GLdouble m[16] ) +{ + GLfloat tm[16]; + _math_transposefd(tm, m); + save_LoadMatrixf(tm); +} + + +static void GLAPIENTRY save_LoadTransposeMatrixfARB( const GLfloat m[16] ) +{ + GLfloat tm[16]; + _math_transposef(tm, m); + save_LoadMatrixf(tm); +} + + +static void GLAPIENTRY +save_MultTransposeMatrixdARB( const GLdouble m[16] ) +{ + GLfloat tm[16]; + _math_transposefd(tm, m); + save_MultMatrixf(tm); +} + + +static void GLAPIENTRY +save_MultTransposeMatrixfARB( const GLfloat m[16] ) +{ + GLfloat tm[16]; + _math_transposef(tm, m); + save_MultMatrixf(tm); +} + + +static void GLAPIENTRY +save_PixelTexGenSGIX(GLenum mode) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PIXEL_TEXGEN_SGIX, 1 ); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PixelTexGenSGIX)( mode ); + } +} + + +/* GL_ARB_texture_compression */ +static void GLAPIENTRY +save_CompressedTexImage1DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLint border, GLsizei imageSize, + const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_1D) { + /* don't compile, execute immediately */ + (*ctx->Exec->CompressedTexImage1DARB)(target, level, internalFormat, + width, border, imageSize, data); + } + else { + Node *n; + GLvoid *image; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_IMAGE_1D, 7 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].e = internalFormat; + n[4].i = (GLint) width; + n[5].i = border; + n[6].i = imageSize; + n[7].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexImage1DARB)(target, level, internalFormat, + width, border, imageSize, data); + } + } +} + + +static void GLAPIENTRY +save_CompressedTexImage2DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLsizei height, GLint border, GLsizei imageSize, + const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_2D) { + /* don't compile, execute immediately */ + (*ctx->Exec->CompressedTexImage2DARB)(target, level, internalFormat, + width, height, border, imageSize, data); + } + else { + Node *n; + GLvoid *image; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_IMAGE_2D, 8 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].e = internalFormat; + n[4].i = (GLint) width; + n[5].i = (GLint) height; + n[6].i = border; + n[7].i = imageSize; + n[8].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexImage2DARB)(target, level, internalFormat, + width, height, border, imageSize, data); + } + } +} + + +static void GLAPIENTRY +save_CompressedTexImage3DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLsizei height, GLsizei depth, GLint border, + GLsizei imageSize, const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + if (target == GL_PROXY_TEXTURE_3D) { + /* don't compile, execute immediately */ + (*ctx->Exec->CompressedTexImage3DARB)(target, level, internalFormat, + width, height, depth, border, imageSize, data); + } + else { + Node *n; + GLvoid *image; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_IMAGE_3D, 9 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].e = internalFormat; + n[4].i = (GLint) width; + n[5].i = (GLint) height; + n[6].i = (GLint) depth; + n[7].i = border; + n[8].i = imageSize; + n[9].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexImage3DARB)(target, level, internalFormat, + width, height, depth, border, imageSize, data); + } + } +} + + +static void GLAPIENTRY +save_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, + GLsizei width, GLenum format, + GLsizei imageSize, const GLvoid *data) +{ + Node *n; + GLvoid *image; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage1DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D, 7 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = (GLint) width; + n[5].e = format; + n[6].i = imageSize; + n[7].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexSubImage1DARB)(target, level, xoffset, + width, format, imageSize, data); + } +} + + +static void GLAPIENTRY +save_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, + const GLvoid *data) +{ + Node *n; + GLvoid *image; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage2DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D, 9 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = (GLint) width; + n[6].i = (GLint) height; + n[7].e = format; + n[8].i = imageSize; + n[9].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexSubImage2DARB)(target, level, xoffset, yoffset, + width, height, format, imageSize, data); + } +} + + +static void GLAPIENTRY +save_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLint zoffset, GLsizei width, + GLsizei height, GLsizei depth, GLenum format, + GLsizei imageSize, const GLvoid *data) +{ + Node *n; + GLvoid *image; + + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + + /* make copy of image */ + image = MALLOC(imageSize); + if (!image) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage3DARB"); + return; + } + MEMCPY(image, data, imageSize); + n = ALLOC_INSTRUCTION( ctx, OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D, 11 ); + if (n) { + n[1].e = target; + n[2].i = level; + n[3].i = xoffset; + n[4].i = yoffset; + n[5].i = zoffset; + n[6].i = (GLint) width; + n[7].i = (GLint) height; + n[8].i = (GLint) depth; + n[9].e = format; + n[10].i = imageSize; + n[11].data = image; + } + else if (image) { + FREE(image); + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->CompressedTexSubImage3DARB)(target, level, xoffset, yoffset, + zoffset, width, height, depth, format, imageSize, data); + } +} + + +/* GL_ARB_multisample */ +static void GLAPIENTRY +save_SampleCoverageARB(GLclampf value, GLboolean invert) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_SAMPLE_COVERAGE, 2 ); + if (n) { + n[1].f = value; + n[2].b = invert; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->SampleCoverageARB)( value, invert ); + } +} + + +/* GL_SGIS_pixel_texture */ + +static void GLAPIENTRY +save_PixelTexGenParameteriSGIS(GLenum target, GLint value) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PIXEL_TEXGEN_PARAMETER_SGIS, 2 ); + if (n) { + n[1].e = target; + n[2].i = value; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->PixelTexGenParameteriSGIS)( target, value ); + } +} + + +static void GLAPIENTRY +save_PixelTexGenParameterfSGIS(GLenum target, GLfloat value) +{ + save_PixelTexGenParameteriSGIS(target, (GLint) value); +} + + +static void GLAPIENTRY +save_PixelTexGenParameterivSGIS(GLenum target, const GLint *value) +{ + save_PixelTexGenParameteriSGIS(target, *value); +} + + +static void GLAPIENTRY +save_PixelTexGenParameterfvSGIS(GLenum target, const GLfloat *value) +{ + save_PixelTexGenParameteriSGIS(target, (GLint) *value); +} + + +/* + * GL_NV_vertex_program + */ +#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program +static void GLAPIENTRY +save_BindProgramNV(GLenum target, GLuint id) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BIND_PROGRAM_NV, 2 ); + if (n) { + n[1].e = target; + n[2].ui = id; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BindProgramNV)( target, id ); + } +} +#endif /* FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program */ + +#if FEATURE_NV_vertex_program +static void GLAPIENTRY +save_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EXECUTE_PROGRAM_NV, 6 ); + if (n) { + n[1].e = target; + n[2].ui = id; + n[3].f = params[0]; + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ExecuteProgramNV)(target, id, params); + } +} + + +static void GLAPIENTRY +save_ProgramParameter4fNV(GLenum target, GLuint index, + GLfloat x, GLfloat y, + GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_PARAMETER4F_NV, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = x; + n[4].f = y; + n[5].f = z; + n[6].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramParameter4fNV)(target, index, x, y, z, w); + } +} + + +static void GLAPIENTRY +save_ProgramParameter4fvNV(GLenum target, GLuint index, const GLfloat *params) +{ + save_ProgramParameter4fNV(target, index, params[0], params[1], + params[2], params[3]); +} + + +static void GLAPIENTRY +save_ProgramParameter4dNV(GLenum target, GLuint index, + GLdouble x, GLdouble y, + GLdouble z, GLdouble w) +{ + save_ProgramParameter4fNV(target, index, (GLfloat) x, (GLfloat) y, + (GLfloat) z, (GLfloat) w); +} + + +static void GLAPIENTRY +save_ProgramParameter4dvNV(GLenum target, GLuint index, + const GLdouble *params) +{ + save_ProgramParameter4fNV(target, index, (GLfloat) params[0], + (GLfloat) params[1], (GLfloat) params[2], + (GLfloat) params[3]); +} + + +static void GLAPIENTRY +save_ProgramParameters4dvNV(GLenum target, GLuint index, + GLuint num, const GLdouble *params) +{ + GLuint i; + for (i = 0; i < num; i++) { + save_ProgramParameter4dvNV(target, index + i, params + 4 * i); + } +} + + +static void GLAPIENTRY +save_ProgramParameters4fvNV(GLenum target, GLuint index, + GLuint num, const GLfloat *params) +{ + GLuint i; + for (i = 0; i < num; i++) { + save_ProgramParameter4fvNV(target, index + i, params + 4 * i); + } +} + + +static void GLAPIENTRY +save_LoadProgramNV(GLenum target, GLuint id, GLsizei len, + const GLubyte *program) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLubyte *programCopy; + + programCopy = (GLubyte *) _mesa_malloc(len); + if (!programCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV"); + return; + } + _mesa_memcpy(programCopy, program, len); + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_LOAD_PROGRAM_NV, 4 ); + if (n) { + n[1].e = target; + n[2].ui = id; + n[3].i = len; + n[4].data = programCopy; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->LoadProgramNV)(target, id, len, program); + } +} + + +static void GLAPIENTRY +save_RequestResidentProgramsNV(GLsizei num, const GLuint *ids) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLuint *idCopy = (GLuint *) _mesa_malloc(num * sizeof(GLuint)); + if (!idCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glRequestResidentProgramsNV"); + return; + } + _mesa_memcpy(idCopy, ids, num * sizeof(GLuint)); + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TRACK_MATRIX_NV, 2 ); + if (n) { + n[1].i = num; + n[2].data = idCopy; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->RequestResidentProgramsNV)(num, ids); + } +} + + +static void GLAPIENTRY +save_TrackMatrixNV(GLenum target, GLuint address, + GLenum matrix, GLenum transform) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_TRACK_MATRIX_NV, 4 ); + if (n) { + n[1].e = target; + n[2].ui = address; + n[3].e = matrix; + n[4].e = transform; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->TrackMatrixNV)(target, address, matrix, transform); + } +} +#endif /* FEATURE_NV_vertex_program */ + + +/* + * GL_NV_fragment_program + */ +#if FEATURE_NV_fragment_program +static void GLAPIENTRY +save_ProgramLocalParameter4fARB(GLenum target, GLuint index, + GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_LOCAL_PARAMETER_ARB, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = x; + n[4].f = y; + n[5].f = z; + n[6].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramLocalParameter4fARB)(target, index, x, y, z, w); + } +} + + +static void GLAPIENTRY +save_ProgramLocalParameter4fvARB(GLenum target, GLuint index, + const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_LOCAL_PARAMETER_ARB, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = params[0]; + n[4].f = params[1]; + n[5].f = params[2]; + n[6].f = params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramLocalParameter4fvARB)(target, index, params); + } +} + + +static void GLAPIENTRY +save_ProgramLocalParameter4dARB(GLenum target, GLuint index, + GLdouble x, GLdouble y, + GLdouble z, GLdouble w) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_LOCAL_PARAMETER_ARB, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = (GLfloat) x; + n[4].f = (GLfloat) y; + n[5].f = (GLfloat) z; + n[6].f = (GLfloat) w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramLocalParameter4dARB)(target, index, x, y, z, w); + } +} + + +static void GLAPIENTRY +save_ProgramLocalParameter4dvARB(GLenum target, GLuint index, + const GLdouble *params) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_LOCAL_PARAMETER_ARB, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = (GLfloat) params[0]; + n[4].f = (GLfloat) params[1]; + n[5].f = (GLfloat) params[2]; + n[6].f = (GLfloat) params[3]; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramLocalParameter4dvARB)(target, index, params); + } +} + +static void GLAPIENTRY +save_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name, + GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLubyte *nameCopy = (GLubyte *) _mesa_malloc(len); + if (!nameCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramNamedParameter4fNV"); + return; + } + _mesa_memcpy(nameCopy, name, len); + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_NAMED_PARAMETER_NV, 6 ); + if (n) { + n[1].ui = id; + n[2].i = len; + n[3].data = nameCopy; + n[4].f = x; + n[5].f = y; + n[6].f = z; + n[7].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramNamedParameter4fNV)(id, len, name, x, y, z, w); + } +} + + +static void GLAPIENTRY +save_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name, + const float v[]) +{ + save_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]); +} + + +static void GLAPIENTRY +save_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name, + GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + save_ProgramNamedParameter4fNV(id, len, name, (GLfloat) x, (GLfloat) y, + (GLfloat) z,(GLfloat) w); +} + + +static void GLAPIENTRY +save_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name, + const double v[]) +{ + save_ProgramNamedParameter4fNV(id, len, name, (GLfloat) v[0], + (GLfloat) v[1], (GLfloat) v[2], + (GLfloat) v[3]); +} + +#endif /* FEATURE_NV_fragment_program */ + + + +/* GL_EXT_stencil_two_side */ +static void GLAPIENTRY save_ActiveStencilFaceEXT( GLenum face ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ACTIVE_STENCIL_FACE_EXT, 1 ); + if (n) { + n[1].e = face; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ActiveStencilFaceEXT)( face ); + } +} + + +/* GL_EXT_depth_bounds_test */ +static void GLAPIENTRY save_DepthBoundsEXT( GLclampd zmin, GLclampd zmax ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_DEPTH_BOUNDS_EXT, 2 ); + if (n) { + n[1].f = (GLfloat) zmin; + n[2].f = (GLfloat) zmax; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->DepthBoundsEXT)( zmin, zmax ); + } +} + + + +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + +static void GLAPIENTRY +save_ProgramStringARB(GLenum target, GLenum format, GLsizei len, + const GLvoid *string) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLubyte *programCopy; + + programCopy = (GLubyte *) _mesa_malloc(len); + if (!programCopy) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB"); + return; + } + _mesa_memcpy(programCopy, string, len); + + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_STRING_ARB, 4 ); + if (n) { + n[1].e = target; + n[2].e = format; + n[3].i = len; + n[4].data = programCopy; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramStringARB)(target, format, len, string); + } +} + + +static void GLAPIENTRY +save_ProgramEnvParameter4fARB(GLenum target, GLuint index, + GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_PROGRAM_ENV_PARAMETER_ARB, 6 ); + if (n) { + n[1].e = target; + n[2].ui = index; + n[3].f = x; + n[4].f = y; + n[5].f = z; + n[6].f = w; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->ProgramEnvParameter4fARB)( target, index, x, y, z, w); + } +} + + +static void GLAPIENTRY +save_ProgramEnvParameter4fvARB(GLenum target, GLuint index, + const GLfloat *params) +{ + save_ProgramEnvParameter4fARB(target, index, params[0], params[1], + params[2], params[3]); +} + + +static void GLAPIENTRY +save_ProgramEnvParameter4dARB(GLenum target, GLuint index, + GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + save_ProgramEnvParameter4fARB(target, index, + (GLfloat) x, + (GLfloat) y, + (GLfloat) z, + (GLfloat) w); +} + + +static void GLAPIENTRY +save_ProgramEnvParameter4dvARB(GLenum target, GLuint index, + const GLdouble *params) +{ + save_ProgramEnvParameter4fARB(target, index, + (GLfloat) params[0], + (GLfloat) params[1], + (GLfloat) params[2], + (GLfloat) params[3]); +} + +#endif /* FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program */ + + +#ifdef FEATURE_ARB_occlusion_query + +static void GLAPIENTRY +save_BeginQueryARB(GLenum target, GLuint id) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BEGIN_QUERY_ARB, 2 ); + if (n) { + n[1].e = target; + n[2].ui = id; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->BeginQueryARB)( target, id ); + } +} + + +static void GLAPIENTRY +save_EndQueryARB(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION( ctx, OPCODE_END_QUERY_ARB, 1 ); + if (n) { + n[1].e = target; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EndQueryARB)( target ); + } +} + +#endif /* FEATURE_ARB_occlusion_query */ + + + +static void save_Attr1f( GLenum attr, GLfloat x ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ATTR_1F, 2 ); + if (n) { + n[1].e = attr; + n[2].f = x; + } + + ASSERT(attr < VERT_ATTRIB_MAX); + ctx->ListState.ActiveAttribSize[attr] = 1; + ASSIGN_4V( ctx->ListState.CurrentAttrib[attr], x, 0, 0, 1); + + if (ctx->ExecuteFlag) { + (*ctx->Exec->VertexAttrib1fNV)( attr, x ); + } +} + +static void save_Attr2f( GLenum attr, GLfloat x, GLfloat y ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ATTR_2F, 3 ); + if (n) { + n[1].e = attr; + n[2].f = x; + n[3].f = y; + } + + ASSERT(attr < VERT_ATTRIB_MAX); + ctx->ListState.ActiveAttribSize[attr] = 2; + ASSIGN_4V( ctx->ListState.CurrentAttrib[attr], x, y, 0, 1); + + if (ctx->ExecuteFlag) { + (*ctx->Exec->VertexAttrib2fNV)( attr, x, y ); + } +} + +static void save_Attr3f( GLenum attr, GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ATTR_3F, 4 ); + if (n) { + n[1].e = attr; + n[2].f = x; + n[3].f = y; + n[4].f = z; + } + + ASSERT(attr < VERT_ATTRIB_MAX); + ctx->ListState.ActiveAttribSize[attr] = 3; + ASSIGN_4V( ctx->ListState.CurrentAttrib[attr], x, y, z, 1); + + if (ctx->ExecuteFlag) { + (*ctx->Exec->VertexAttrib3fNV)( attr, x, y, z ); + } +} + +static void save_Attr4f( GLenum attr, GLfloat x, GLfloat y, GLfloat z, + GLfloat w ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_ATTR_4F, 5 ); + if (n) { + n[1].e = attr; + n[2].f = x; + n[3].f = y; + n[4].f = z; + n[5].f = w; + } + + ASSERT(attr < VERT_ATTRIB_MAX); + ctx->ListState.ActiveAttribSize[attr] = 4; + ASSIGN_4V( ctx->ListState.CurrentAttrib[attr], x, y, z, w); + + if (ctx->ExecuteFlag) { + (*ctx->Exec->VertexAttrib4fNV)( attr, x, y, z, w ); + } +} + +static void GLAPIENTRY save_EvalCoord1f( GLfloat x ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVAL_C1, 1 ); + if (n) { + n[1].f = x; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalCoord1f)( x ); + } +} + +static void GLAPIENTRY save_EvalCoord1fv( const GLfloat *v ) +{ + save_EvalCoord1f( v[0] ); +} + +static void GLAPIENTRY save_EvalCoord2f( GLfloat x, GLfloat y ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVAL_C2, 2 ); + if (n) { + n[1].f = x; + n[2].f = y; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalCoord2f)( x, y ); + } +} + +static void GLAPIENTRY save_EvalCoord2fv( const GLfloat *v ) +{ + save_EvalCoord2f( v[0], v[1] ); +} + + +static void GLAPIENTRY save_EvalPoint1( GLint x ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVAL_P1, 1 ); + if (n) { + n[1].i = x; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalPoint1)( x ); + } +} + +static void GLAPIENTRY save_EvalPoint2( GLint x, GLint y ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EVAL_P2, 2 ); + if (n) { + n[1].i = x; + n[2].i = y; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->EvalPoint2)( x, y ); + } +} + +static void GLAPIENTRY save_Indexf( GLfloat x ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_INDEX, 1 ); + if (n) { + n[1].f = x; + } + + ctx->ListState.ActiveIndex = 1; + ctx->ListState.CurrentIndex = x; + + if (ctx->ExecuteFlag) { + (*ctx->Exec->Indexi)( (GLint) x ); + } +} + +static void GLAPIENTRY save_Indexfv( const GLfloat *v ) +{ + save_Indexf( v[0] ); +} + +static void GLAPIENTRY save_EdgeFlag( GLboolean x ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_EDGEFLAG, 1 ); + if (n) { + n[1].b = x; + } + + ctx->ListState.ActiveEdgeFlag = 1; + ctx->ListState.CurrentEdgeFlag = x; + + if (ctx->ExecuteFlag) { + (*ctx->Exec->EdgeFlag)( x ); + } +} + +static void GLAPIENTRY save_EdgeFlagv( const GLboolean *v ) +{ + save_EdgeFlag( v[0] ); +} + +static void GLAPIENTRY save_Materialfv( GLenum face, GLenum pname, const GLfloat *param ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + int args, i; + + SAVE_FLUSH_VERTICES( ctx ); + + switch (face) { + case GL_BACK: + case GL_FRONT: + case GL_FRONT_AND_BACK: + break; + default: + _mesa_compile_error( ctx, GL_INVALID_ENUM, "material(face)" ); + return; + } + + switch (pname) { + case GL_EMISSION: + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + case GL_AMBIENT_AND_DIFFUSE: + args = 4; + break; + case GL_SHININESS: + args = 1; + break; + case GL_COLOR_INDEXES: + args = 3; + break; + default: + _mesa_compile_error( ctx, GL_INVALID_ENUM, "material(pname)" ); + return; + } + + n = ALLOC_INSTRUCTION( ctx, OPCODE_MATERIAL, 6 ); + if (n) { + n[1].e = face; + n[2].e = pname; + for (i = 0 ; i < args ; i++) + n[3+i].f = param[i]; + } + + { + GLuint bitmask = _mesa_material_bitmask( ctx, face, pname, ~0, 0 ); + for (i = 0 ; i < MAT_ATTRIB_MAX ; i++) + if (bitmask & (1<<i)) { + ctx->ListState.ActiveMaterialSize[i] = args; + COPY_SZ_4V( ctx->ListState.CurrentMaterial[i], args, param ); + } + } + + if (ctx->ExecuteFlag) { + (*ctx->Exec->Materialfv)( face, pname, param ); + } +} + +static void GLAPIENTRY save_Begin( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + GLboolean error = GL_FALSE; + + if (/*mode < GL_POINTS ||*/ mode > GL_POLYGON) { + _mesa_compile_error( ctx, GL_INVALID_ENUM, "Begin (mode)"); + error = GL_TRUE; + } + else if (ctx->Driver.CurrentSavePrimitive == PRIM_UNKNOWN) { + /* Typically the first begin. This may raise an error on + * playback, depending on whether CallList is issued from inside + * a begin/end or not. + */ + ctx->Driver.CurrentSavePrimitive = PRIM_INSIDE_UNKNOWN_PRIM; + } + else if (ctx->Driver.CurrentSavePrimitive == PRIM_OUTSIDE_BEGIN_END) { + ctx->Driver.CurrentSavePrimitive = mode; + } + else { + _mesa_compile_error( ctx, GL_INVALID_OPERATION, "recursive begin" ); + error = GL_TRUE; + } + + if (!error) { + /* Give the driver an opportunity to hook in an optimized + * display list compiler. + */ + if (ctx->Driver.NotifySaveBegin( ctx, mode )) + return; + + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_BEGIN, 1 ); + if (n) { + n[1].e = mode; + } + } + + if (ctx->ExecuteFlag) { + (*ctx->Exec->Begin)( mode ); + } +} + +static void GLAPIENTRY save_End( void ) +{ + GET_CURRENT_CONTEXT(ctx); + SAVE_FLUSH_VERTICES( ctx ); + (void) ALLOC_INSTRUCTION( ctx, OPCODE_END, 0 ); + ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END; + if (ctx->ExecuteFlag) { + (*ctx->Exec->End)( ); + } +} + +static void GLAPIENTRY save_Rectf( GLfloat a, GLfloat b, + GLfloat c, GLfloat d ) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + SAVE_FLUSH_VERTICES( ctx ); + n = ALLOC_INSTRUCTION( ctx, OPCODE_RECTF, 4 ); + if (n) { + n[1].f = a; + n[2].f = b; + n[3].f = c; + n[4].f = d; + } + if (ctx->ExecuteFlag) { + (*ctx->Exec->Rectf)( a, b, c, d ); + } +} + +/* + */ +static void GLAPIENTRY save_Vertex2f( GLfloat x, GLfloat y ) +{ + save_Attr2f( VERT_ATTRIB_POS, x, y ); +} + +static void GLAPIENTRY save_Vertex2fv( const GLfloat *v ) +{ + save_Attr2f( VERT_ATTRIB_POS, v[0], v[1] ); +} + +static void GLAPIENTRY save_Vertex3f( GLfloat x, GLfloat y, GLfloat z ) +{ + save_Attr3f( VERT_ATTRIB_POS, x, y, z ); +} + +static void GLAPIENTRY save_Vertex3fv( const GLfloat *v ) +{ + save_Attr3f( VERT_ATTRIB_POS, v[0], v[1], v[2] ); +} + +static void GLAPIENTRY save_Vertex4f( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + save_Attr4f( VERT_ATTRIB_POS, x, y, z, w ); +} + +static void GLAPIENTRY save_Vertex4fv( const GLfloat *v ) +{ + save_Attr4f( VERT_ATTRIB_POS, v[0], v[1], v[2], v[3] ); +} + +static void GLAPIENTRY save_TexCoord1f( GLfloat x ) +{ + save_Attr1f( VERT_ATTRIB_TEX0, x ); +} + +static void GLAPIENTRY save_TexCoord1fv( const GLfloat *v ) +{ + save_Attr1f( VERT_ATTRIB_TEX0, v[0] ); +} + +static void GLAPIENTRY save_TexCoord2f( GLfloat x, GLfloat y ) +{ + save_Attr2f( VERT_ATTRIB_TEX0, x, y ); +} + +static void GLAPIENTRY save_TexCoord2fv( const GLfloat *v ) +{ + save_Attr2f( VERT_ATTRIB_TEX0, v[0], v[1] ); +} + +static void GLAPIENTRY save_TexCoord3f( GLfloat x, GLfloat y, GLfloat z ) +{ + save_Attr3f( VERT_ATTRIB_TEX0, x, y, z ); +} + +static void GLAPIENTRY save_TexCoord3fv( const GLfloat *v ) +{ + save_Attr3f( VERT_ATTRIB_TEX0, v[0], v[1], v[2] ); +} + +static void GLAPIENTRY save_TexCoord4f( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + save_Attr4f( VERT_ATTRIB_TEX0, x, y, z, w ); +} + +static void GLAPIENTRY save_TexCoord4fv( const GLfloat *v ) +{ + save_Attr4f( VERT_ATTRIB_TEX0, v[0], v[1], v[2], v[3] ); +} + +static void GLAPIENTRY save_Normal3f( GLfloat x, GLfloat y, GLfloat z ) +{ + save_Attr3f( VERT_ATTRIB_NORMAL, x, y, z ); +} + +static void GLAPIENTRY save_Normal3fv( const GLfloat *v ) +{ + save_Attr3f( VERT_ATTRIB_NORMAL, v[0], v[1], v[2] ); +} + +static void GLAPIENTRY save_FogCoordfEXT( GLfloat x ) +{ + save_Attr1f( VERT_ATTRIB_FOG, x ); +} + +static void GLAPIENTRY save_FogCoordfvEXT( const GLfloat *v ) +{ + save_Attr1f( VERT_ATTRIB_FOG, v[0] ); +} + +static void GLAPIENTRY save_Color3f( GLfloat x, GLfloat y, GLfloat z ) +{ + save_Attr3f( VERT_ATTRIB_COLOR0, x, y, z ); +} + +static void GLAPIENTRY save_Color3fv( const GLfloat *v ) +{ + save_Attr3f( VERT_ATTRIB_COLOR0, v[0], v[1], v[2] ); +} + +static void GLAPIENTRY save_Color4f( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + save_Attr4f( VERT_ATTRIB_COLOR0, x, y, z, w ); +} + +static void GLAPIENTRY save_Color4fv( const GLfloat *v ) +{ + save_Attr4f( VERT_ATTRIB_COLOR0, v[0], v[1], v[2], v[3] ); +} + +static void GLAPIENTRY save_SecondaryColor3fEXT( GLfloat x, GLfloat y, GLfloat z ) +{ + save_Attr3f( VERT_ATTRIB_COLOR1, x, y, z ); +} + +static void GLAPIENTRY save_SecondaryColor3fvEXT( const GLfloat *v ) +{ + save_Attr3f( VERT_ATTRIB_COLOR1, v[0], v[1], v[2] ); +} + + +/* Just call the respective ATTR for texcoord + */ +static void GLAPIENTRY save_MultiTexCoord1f( GLenum target, GLfloat x ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr1f( attr, x ); +} + +static void GLAPIENTRY save_MultiTexCoord1fv( GLenum target, const GLfloat *v ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr1f( attr, v[0] ); +} + +static void GLAPIENTRY save_MultiTexCoord2f( GLenum target, GLfloat x, GLfloat y ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr2f( attr, x, y ); +} + +static void GLAPIENTRY save_MultiTexCoord2fv( GLenum target, const GLfloat *v ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr2f( attr, v[0], v[1] ); +} + +static void GLAPIENTRY save_MultiTexCoord3f( GLenum target, GLfloat x, GLfloat y, + GLfloat z) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr3f( attr, x, y, z ); +} + +static void GLAPIENTRY save_MultiTexCoord3fv( GLenum target, const GLfloat *v ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr3f( attr, v[0], v[1], v[2] ); +} + +static void GLAPIENTRY save_MultiTexCoord4f( GLenum target, GLfloat x, GLfloat y, + GLfloat z, GLfloat w ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr4f( attr, x, y, z, w ); +} + +static void GLAPIENTRY save_MultiTexCoord4fv( GLenum target, const GLfloat *v ) +{ + GLuint attr = (target & 0x7) + VERT_ATTRIB_TEX0; + save_Attr4f( attr, v[0], v[1], v[2], v[3] ); +} + + +static void enum_error( void ) +{ + GET_CURRENT_CONTEXT( ctx ); + _mesa_error( ctx, GL_INVALID_ENUM, "VertexAttribfNV" ); +} + +/* First level for NV_vertex_program: + * + * Check for errors at compile time?. + */ +static void GLAPIENTRY save_VertexAttrib1fNV( GLuint index, GLfloat x ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr1f( index, x ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib1fvNV( GLuint index, const GLfloat *v ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr1f( index, v[0] ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib2fNV( GLuint index, GLfloat x, GLfloat y ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr2f( index, x, y ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib2fvNV( GLuint index, const GLfloat *v ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr2f( index, v[0], v[1] ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib3fNV( GLuint index, GLfloat x, GLfloat y, + GLfloat z ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr3f( index, x, y, z ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib3fvNV( GLuint index, const GLfloat *v ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr3f( index, v[0], v[1], v[2] ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib4fNV( GLuint index, GLfloat x, GLfloat y, + GLfloat z, GLfloat w ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr4f( index, x, y, z, w ); + else + enum_error(); +} + +static void GLAPIENTRY save_VertexAttrib4fvNV( GLuint index, const GLfloat *v ) +{ + if (index < VERT_ATTRIB_MAX) + save_Attr4f( index, v[0], v[1], v[2], v[3] ); + else + enum_error(); +} + + + + + +/* KW: Compile commands + * + * Will appear in the list before the vertex buffer containing the + * command that provoked the error. I don't see this as a problem. + */ +void +_mesa_save_error( GLcontext *ctx, GLenum error, const char *s ) +{ + Node *n; + n = ALLOC_INSTRUCTION( ctx, OPCODE_ERROR, 2 ); + if (n) { + n[1].e = error; + n[2].data = (void *) s; + } + /* execute already done */ +} + + +/* + * Compile an error into current display list. + */ +void +_mesa_compile_error( GLcontext *ctx, GLenum error, const char *s ) +{ + if (ctx->CompileFlag) + _mesa_save_error( ctx, error, s ); + + if (ctx->ExecuteFlag) + _mesa_error( ctx, error, s ); +} + + + +static GLboolean +islist(GLcontext *ctx, GLuint list) +{ + if (list > 0 && _mesa_HashLookup(ctx->Shared->DisplayList, list)) { + return GL_TRUE; + } + else { + return GL_FALSE; + } +} + + + +/**********************************************************************/ +/* Display list execution */ +/**********************************************************************/ + + +/* + * Execute a display list. Note that the ListBase offset must have already + * been added before calling this function. I.e. the list argument is + * the absolute list number, not relative to ListBase. + * \param list - display list number + */ +static void GLAPIENTRY +execute_list( GLcontext *ctx, GLuint list ) +{ + Node *n; + GLboolean done; + + if (list == 0 || !islist(ctx,list)) + return; + + if (ctx->Driver.BeginCallList) + ctx->Driver.BeginCallList( ctx, list ); + + ctx->ListState.CallDepth++; + + n = (Node *) _mesa_HashLookup(ctx->Shared->DisplayList, list); + + done = GL_FALSE; + while (!done) { + OpCode opcode = n[0].opcode; + int i = (int)n[0].opcode - (int)OPCODE_EXT_0; + + if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) { + /* this is a driver-extended opcode */ + ctx->ListExt.Opcode[i].Execute(ctx, &n[1]); + n += ctx->ListExt.Opcode[i].Size; + } + else { + switch (opcode) { + case OPCODE_ERROR: + _mesa_error( ctx, n[1].e, (const char *) n[2].data ); + break; + case OPCODE_ACCUM: + (*ctx->Exec->Accum)( n[1].e, n[2].f ); + break; + case OPCODE_ALPHA_FUNC: + (*ctx->Exec->AlphaFunc)( n[1].e, n[2].f ); + break; + case OPCODE_BIND_TEXTURE: + (*ctx->Exec->BindTexture)( n[1].e, n[2].ui ); + break; + case OPCODE_BITMAP: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->Bitmap)( (GLsizei) n[1].i, (GLsizei) n[2].i, + n[3].f, n[4].f, n[5].f, n[6].f, (const GLubyte *) n[7].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_BLEND_COLOR: + (*ctx->Exec->BlendColor)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_BLEND_EQUATION: + (*ctx->Exec->BlendEquation)( n[1].e ); + break; + case OPCODE_BLEND_EQUATION_SEPARATE: + (*ctx->Exec->BlendEquationSeparateEXT)( n[1].e, n[2].e ); + break; + case OPCODE_BLEND_FUNC_SEPARATE: + (*ctx->Exec->BlendFuncSeparateEXT)(n[1].e, n[2].e, n[3].e, n[4].e); + break; + case OPCODE_CALL_LIST: + /* Generated by glCallList(), don't add ListBase */ + if (ctx->ListState.CallDepth<MAX_LIST_NESTING) { + execute_list( ctx, n[1].ui ); + } + break; + case OPCODE_CALL_LIST_OFFSET: + /* Generated by glCallLists() so we must add ListBase */ + if (n[2].b) { + /* user specified a bad data type at compile time */ + _mesa_error(ctx, GL_INVALID_ENUM, "glCallLists(type)"); + } + else if (ctx->ListState.CallDepth < MAX_LIST_NESTING) { + execute_list( ctx, ctx->List.ListBase + n[1].ui ); + } + break; + case OPCODE_CLEAR: + (*ctx->Exec->Clear)( n[1].bf ); + break; + case OPCODE_CLEAR_COLOR: + (*ctx->Exec->ClearColor)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_CLEAR_ACCUM: + (*ctx->Exec->ClearAccum)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_CLEAR_DEPTH: + (*ctx->Exec->ClearDepth)( (GLclampd) n[1].f ); + break; + case OPCODE_CLEAR_INDEX: + (*ctx->Exec->ClearIndex)( (GLfloat) n[1].ui ); + break; + case OPCODE_CLEAR_STENCIL: + (*ctx->Exec->ClearStencil)( n[1].i ); + break; + case OPCODE_CLIP_PLANE: + { + GLdouble eq[4]; + eq[0] = n[2].f; + eq[1] = n[3].f; + eq[2] = n[4].f; + eq[3] = n[5].f; + (*ctx->Exec->ClipPlane)( n[1].e, eq ); + } + break; + case OPCODE_COLOR_MASK: + (*ctx->Exec->ColorMask)( n[1].b, n[2].b, n[3].b, n[4].b ); + break; + case OPCODE_COLOR_MATERIAL: + (*ctx->Exec->ColorMaterial)( n[1].e, n[2].e ); + break; + case OPCODE_COLOR_TABLE: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->ColorTable)( n[1].e, n[2].e, n[3].i, n[4].e, + n[5].e, n[6].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_COLOR_TABLE_PARAMETER_FV: + { + GLfloat params[4]; + params[0] = n[3].f; + params[1] = n[4].f; + params[2] = n[5].f; + params[3] = n[6].f; + (*ctx->Exec->ColorTableParameterfv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_COLOR_TABLE_PARAMETER_IV: + { + GLint params[4]; + params[0] = n[3].i; + params[1] = n[4].i; + params[2] = n[5].i; + params[3] = n[6].i; + (*ctx->Exec->ColorTableParameteriv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_COLOR_SUB_TABLE: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->ColorSubTable)( n[1].e, n[2].i, n[3].i, + n[4].e, n[5].e, n[6].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_CONVOLUTION_FILTER_1D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->ConvolutionFilter1D)( n[1].e, n[2].i, n[3].i, + n[4].e, n[5].e, n[6].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_CONVOLUTION_FILTER_2D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->ConvolutionFilter2D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].e, n[6].e, n[7].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_CONVOLUTION_PARAMETER_I: + (*ctx->Exec->ConvolutionParameteri)( n[1].e, n[2].e, n[3].i ); + break; + case OPCODE_CONVOLUTION_PARAMETER_IV: + { + GLint params[4]; + params[0] = n[3].i; + params[1] = n[4].i; + params[2] = n[5].i; + params[3] = n[6].i; + (*ctx->Exec->ConvolutionParameteriv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_CONVOLUTION_PARAMETER_F: + (*ctx->Exec->ConvolutionParameterf)( n[1].e, n[2].e, n[3].f ); + break; + case OPCODE_CONVOLUTION_PARAMETER_FV: + { + GLfloat params[4]; + params[0] = n[3].f; + params[1] = n[4].f; + params[2] = n[5].f; + params[3] = n[6].f; + (*ctx->Exec->ConvolutionParameterfv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_COPY_COLOR_SUB_TABLE: + (*ctx->Exec->CopyColorSubTable)( n[1].e, n[2].i, + n[3].i, n[4].i, n[5].i ); + break; + case OPCODE_COPY_COLOR_TABLE: + (*ctx->Exec->CopyColorSubTable)( n[1].e, n[2].i, + n[3].i, n[4].i, n[5].i ); + break; + case OPCODE_COPY_PIXELS: + (*ctx->Exec->CopyPixels)( n[1].i, n[2].i, + (GLsizei) n[3].i, (GLsizei) n[4].i, n[5].e ); + break; + case OPCODE_COPY_TEX_IMAGE1D: + (*ctx->Exec->CopyTexImage1D)( n[1].e, n[2].i, n[3].e, n[4].i, + n[5].i, n[6].i, n[7].i ); + break; + case OPCODE_COPY_TEX_IMAGE2D: + (*ctx->Exec->CopyTexImage2D)( n[1].e, n[2].i, n[3].e, n[4].i, + n[5].i, n[6].i, n[7].i, n[8].i ); + break; + case OPCODE_COPY_TEX_SUB_IMAGE1D: + (*ctx->Exec->CopyTexSubImage1D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i ); + break; + case OPCODE_COPY_TEX_SUB_IMAGE2D: + (*ctx->Exec->CopyTexSubImage2D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i, n[7].i, n[8].i ); + break; + case OPCODE_COPY_TEX_SUB_IMAGE3D: + (*ctx->Exec->CopyTexSubImage3D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i, n[7].i, n[8].i , n[9].i); + break; + case OPCODE_CULL_FACE: + (*ctx->Exec->CullFace)( n[1].e ); + break; + case OPCODE_DEPTH_FUNC: + (*ctx->Exec->DepthFunc)( n[1].e ); + break; + case OPCODE_DEPTH_MASK: + (*ctx->Exec->DepthMask)( n[1].b ); + break; + case OPCODE_DEPTH_RANGE: + (*ctx->Exec->DepthRange)( (GLclampd) n[1].f, (GLclampd) n[2].f ); + break; + case OPCODE_DISABLE: + (*ctx->Exec->Disable)( n[1].e ); + break; + case OPCODE_DRAW_BUFFER: + (*ctx->Exec->DrawBuffer)( n[1].e ); + break; + case OPCODE_DRAW_PIXELS: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->DrawPixels)( n[1].i, n[2].i, n[3].e, n[4].e, + n[5].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_ENABLE: + (*ctx->Exec->Enable)( n[1].e ); + break; + case OPCODE_EVALMESH1: + (*ctx->Exec->EvalMesh1)( n[1].e, n[2].i, n[3].i ); + break; + case OPCODE_EVALMESH2: + (*ctx->Exec->EvalMesh2)( n[1].e, n[2].i, n[3].i, n[4].i, n[5].i ); + break; + case OPCODE_FOG: + { + GLfloat p[4]; + p[0] = n[2].f; + p[1] = n[3].f; + p[2] = n[4].f; + p[3] = n[5].f; + (*ctx->Exec->Fogfv)( n[1].e, p ); + } + break; + case OPCODE_FRONT_FACE: + (*ctx->Exec->FrontFace)( n[1].e ); + break; + case OPCODE_FRUSTUM: + (*ctx->Exec->Frustum)( n[1].f, n[2].f, n[3].f, n[4].f, n[5].f, n[6].f ); + break; + case OPCODE_HINT: + (*ctx->Exec->Hint)( n[1].e, n[2].e ); + break; + case OPCODE_HISTOGRAM: + (*ctx->Exec->Histogram)( n[1].e, n[2].i, n[3].e, n[4].b ); + break; + case OPCODE_INDEX_MASK: + (*ctx->Exec->IndexMask)( n[1].ui ); + break; + case OPCODE_INIT_NAMES: + (*ctx->Exec->InitNames)(); + break; + case OPCODE_LIGHT: + { + GLfloat p[4]; + p[0] = n[3].f; + p[1] = n[4].f; + p[2] = n[5].f; + p[3] = n[6].f; + (*ctx->Exec->Lightfv)( n[1].e, n[2].e, p ); + } + break; + case OPCODE_LIGHT_MODEL: + { + GLfloat p[4]; + p[0] = n[2].f; + p[1] = n[3].f; + p[2] = n[4].f; + p[3] = n[5].f; + (*ctx->Exec->LightModelfv)( n[1].e, p ); + } + break; + case OPCODE_LINE_STIPPLE: + (*ctx->Exec->LineStipple)( n[1].i, n[2].us ); + break; + case OPCODE_LINE_WIDTH: + (*ctx->Exec->LineWidth)( n[1].f ); + break; + case OPCODE_LIST_BASE: + (*ctx->Exec->ListBase)( n[1].ui ); + break; + case OPCODE_LOAD_IDENTITY: + (*ctx->Exec->LoadIdentity)(); + break; + case OPCODE_LOAD_MATRIX: + if (sizeof(Node)==sizeof(GLfloat)) { + (*ctx->Exec->LoadMatrixf)( &n[1].f ); + } + else { + GLfloat m[16]; + GLuint i; + for (i=0;i<16;i++) { + m[i] = n[1+i].f; + } + (*ctx->Exec->LoadMatrixf)( m ); + } + break; + case OPCODE_LOAD_NAME: + (*ctx->Exec->LoadName)( n[1].ui ); + break; + case OPCODE_LOGIC_OP: + (*ctx->Exec->LogicOp)( n[1].e ); + break; + case OPCODE_MAP1: + { + GLenum target = n[1].e; + GLint ustride = _mesa_evaluator_components(target); + GLint uorder = n[5].i; + GLfloat u1 = n[2].f; + GLfloat u2 = n[3].f; + (*ctx->Exec->Map1f)( target, u1, u2, ustride, uorder, + (GLfloat *) n[6].data ); + } + break; + case OPCODE_MAP2: + { + GLenum target = n[1].e; + GLfloat u1 = n[2].f; + GLfloat u2 = n[3].f; + GLfloat v1 = n[4].f; + GLfloat v2 = n[5].f; + GLint ustride = n[6].i; + GLint vstride = n[7].i; + GLint uorder = n[8].i; + GLint vorder = n[9].i; + (*ctx->Exec->Map2f)( target, u1, u2, ustride, uorder, + v1, v2, vstride, vorder, + (GLfloat *) n[10].data ); + } + break; + case OPCODE_MAPGRID1: + (*ctx->Exec->MapGrid1f)( n[1].i, n[2].f, n[3].f ); + break; + case OPCODE_MAPGRID2: + (*ctx->Exec->MapGrid2f)( n[1].i, n[2].f, n[3].f, n[4].i, n[5].f, n[6].f); + break; + case OPCODE_MATRIX_MODE: + (*ctx->Exec->MatrixMode)( n[1].e ); + break; + case OPCODE_MIN_MAX: + (*ctx->Exec->Minmax)(n[1].e, n[2].e, n[3].b); + break; + case OPCODE_MULT_MATRIX: + if (sizeof(Node)==sizeof(GLfloat)) { + (*ctx->Exec->MultMatrixf)( &n[1].f ); + } + else { + GLfloat m[16]; + GLuint i; + for (i=0;i<16;i++) { + m[i] = n[1+i].f; + } + (*ctx->Exec->MultMatrixf)( m ); + } + break; + case OPCODE_ORTHO: + (*ctx->Exec->Ortho)( n[1].f, n[2].f, n[3].f, n[4].f, n[5].f, n[6].f ); + break; + case OPCODE_PASSTHROUGH: + (*ctx->Exec->PassThrough)( n[1].f ); + break; + case OPCODE_PIXEL_MAP: + (*ctx->Exec->PixelMapfv)( n[1].e, n[2].i, (GLfloat *) n[3].data ); + break; + case OPCODE_PIXEL_TRANSFER: + (*ctx->Exec->PixelTransferf)( n[1].e, n[2].f ); + break; + case OPCODE_PIXEL_ZOOM: + (*ctx->Exec->PixelZoom)( n[1].f, n[2].f ); + break; + case OPCODE_POINT_SIZE: + (*ctx->Exec->PointSize)( n[1].f ); + break; + case OPCODE_POINT_PARAMETERS: + { + GLfloat params[3]; + params[0] = n[2].f; + params[1] = n[3].f; + params[2] = n[4].f; + (*ctx->Exec->PointParameterfvEXT)( n[1].e, params ); + } + break; + case OPCODE_POLYGON_MODE: + (*ctx->Exec->PolygonMode)( n[1].e, n[2].e ); + break; + case OPCODE_POLYGON_STIPPLE: + (*ctx->Exec->PolygonStipple)( (GLubyte *) n[1].data ); + break; + case OPCODE_POLYGON_OFFSET: + (*ctx->Exec->PolygonOffset)( n[1].f, n[2].f ); + break; + case OPCODE_POP_ATTRIB: + (*ctx->Exec->PopAttrib)(); + break; + case OPCODE_POP_MATRIX: + (*ctx->Exec->PopMatrix)(); + break; + case OPCODE_POP_NAME: + (*ctx->Exec->PopName)(); + break; + case OPCODE_PRIORITIZE_TEXTURE: + (*ctx->Exec->PrioritizeTextures)( 1, &n[1].ui, &n[2].f ); + break; + case OPCODE_PUSH_ATTRIB: + (*ctx->Exec->PushAttrib)( n[1].bf ); + break; + case OPCODE_PUSH_MATRIX: + (*ctx->Exec->PushMatrix)(); + break; + case OPCODE_PUSH_NAME: + (*ctx->Exec->PushName)( n[1].ui ); + break; + case OPCODE_RASTER_POS: + (*ctx->Exec->RasterPos4f)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_READ_BUFFER: + (*ctx->Exec->ReadBuffer)( n[1].e ); + break; + case OPCODE_RESET_HISTOGRAM: + (*ctx->Exec->ResetHistogram)( n[1].e ); + break; + case OPCODE_RESET_MIN_MAX: + (*ctx->Exec->ResetMinmax)( n[1].e ); + break; + case OPCODE_ROTATE: + (*ctx->Exec->Rotatef)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_SCALE: + (*ctx->Exec->Scalef)( n[1].f, n[2].f, n[3].f ); + break; + case OPCODE_SCISSOR: + (*ctx->Exec->Scissor)( n[1].i, n[2].i, n[3].i, n[4].i ); + break; + case OPCODE_SHADE_MODEL: + (*ctx->Exec->ShadeModel)( n[1].e ); + break; + case OPCODE_STENCIL_FUNC: + (*ctx->Exec->StencilFunc)( n[1].e, n[2].i, n[3].ui ); + break; + case OPCODE_STENCIL_MASK: + (*ctx->Exec->StencilMask)( n[1].ui ); + break; + case OPCODE_STENCIL_OP: + (*ctx->Exec->StencilOp)( n[1].e, n[2].e, n[3].e ); + break; + case OPCODE_TEXENV: + { + GLfloat params[4]; + params[0] = n[3].f; + params[1] = n[4].f; + params[2] = n[5].f; + params[3] = n[6].f; + (*ctx->Exec->TexEnvfv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_TEXGEN: + { + GLfloat params[4]; + params[0] = n[3].f; + params[1] = n[4].f; + params[2] = n[5].f; + params[3] = n[6].f; + (*ctx->Exec->TexGenfv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_TEXPARAMETER: + { + GLfloat params[4]; + params[0] = n[3].f; + params[1] = n[4].f; + params[2] = n[5].f; + params[3] = n[6].f; + (*ctx->Exec->TexParameterfv)( n[1].e, n[2].e, params ); + } + break; + case OPCODE_TEX_IMAGE1D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexImage1D)( + n[1].e, /* target */ + n[2].i, /* level */ + n[3].i, /* components */ + n[4].i, /* width */ + n[5].e, /* border */ + n[6].e, /* format */ + n[7].e, /* type */ + n[8].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TEX_IMAGE2D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexImage2D)( + n[1].e, /* target */ + n[2].i, /* level */ + n[3].i, /* components */ + n[4].i, /* width */ + n[5].i, /* height */ + n[6].e, /* border */ + n[7].e, /* format */ + n[8].e, /* type */ + n[9].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TEX_IMAGE3D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexImage3D)( + n[1].e, /* target */ + n[2].i, /* level */ + n[3].i, /* components */ + n[4].i, /* width */ + n[5].i, /* height */ + n[6].i, /* depth */ + n[7].e, /* border */ + n[8].e, /* format */ + n[9].e, /* type */ + n[10].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TEX_SUB_IMAGE1D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexSubImage1D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].e, + n[6].e, n[7].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TEX_SUB_IMAGE2D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexSubImage2D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].e, + n[6].i, n[7].e, n[8].e, n[9].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TEX_SUB_IMAGE3D: + { + const struct gl_pixelstore_attrib save = ctx->Unpack; + ctx->Unpack = ctx->DefaultPacking; + (*ctx->Exec->TexSubImage3D)( n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i, n[7].i, + n[8].i, n[9].e, n[10].e, + n[11].data ); + ctx->Unpack = save; /* restore */ + } + break; + case OPCODE_TRANSLATE: + (*ctx->Exec->Translatef)( n[1].f, n[2].f, n[3].f ); + break; + case OPCODE_VIEWPORT: + (*ctx->Exec->Viewport)(n[1].i, n[2].i, + (GLsizei) n[3].i, (GLsizei) n[4].i); + break; + case OPCODE_WINDOW_POS: + (*ctx->Exec->WindowPos4fMESA)( n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_ACTIVE_TEXTURE: /* GL_ARB_multitexture */ + (*ctx->Exec->ActiveTextureARB)( n[1].e ); + break; + case OPCODE_PIXEL_TEXGEN_SGIX: /* GL_SGIX_pixel_texture */ + (*ctx->Exec->PixelTexGenSGIX)( n[1].e ); + break; + case OPCODE_PIXEL_TEXGEN_PARAMETER_SGIS: /* GL_SGIS_pixel_texture */ + (*ctx->Exec->PixelTexGenParameteriSGIS)( n[1].e, n[2].i ); + break; + case OPCODE_COMPRESSED_TEX_IMAGE_1D: /* GL_ARB_texture_compression */ + (*ctx->Exec->CompressedTexImage1DARB)(n[1].e, n[2].i, n[3].e, + n[4].i, n[5].i, n[6].i, n[7].data); + break; + case OPCODE_COMPRESSED_TEX_IMAGE_2D: /* GL_ARB_texture_compression */ + (*ctx->Exec->CompressedTexImage2DARB)(n[1].e, n[2].i, n[3].e, + n[4].i, n[5].i, n[6].i, n[7].i, n[8].data); + break; + case OPCODE_COMPRESSED_TEX_IMAGE_3D: /* GL_ARB_texture_compression */ + (*ctx->Exec->CompressedTexImage3DARB)(n[1].e, n[2].i, n[3].e, + n[4].i, n[5].i, n[6].i, n[7].i, n[8].i, n[9].data); + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D: /* GL_ARB_texture_compress */ + (*ctx->Exec->CompressedTexSubImage1DARB)(n[1].e, n[2].i, n[3].i, + n[4].i, n[5].e, n[6].i, n[7].data); + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D: /* GL_ARB_texture_compress */ + (*ctx->Exec->CompressedTexSubImage2DARB)(n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i, n[7].e, n[8].i, n[9].data); + break; + case OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D: /* GL_ARB_texture_compress */ + (*ctx->Exec->CompressedTexSubImage3DARB)(n[1].e, n[2].i, n[3].i, + n[4].i, n[5].i, n[6].i, n[7].i, n[8].i, + n[9].e, n[10].i, n[11].data); + break; + case OPCODE_SAMPLE_COVERAGE: /* GL_ARB_multisample */ + (*ctx->Exec->SampleCoverageARB)(n[1].f, n[2].b); + break; + case OPCODE_WINDOW_POS_ARB: /* GL_ARB_window_pos */ + (*ctx->Exec->WindowPos3fMESA)( n[1].f, n[2].f, n[3].f ); + break; +#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + case OPCODE_BIND_PROGRAM_NV: /* GL_NV_vertex_program */ + (*ctx->Exec->BindProgramNV)( n[1].e, n[2].ui ); + break; +#endif +#if FEATURE_NV_vertex_program + case OPCODE_EXECUTE_PROGRAM_NV: + { + GLfloat v[4]; + v[0] = n[3].f; + v[1] = n[4].f; + v[2] = n[5].f; + v[3] = n[6].f; + (*ctx->Exec->ExecuteProgramNV)(n[1].e, n[2].ui, v); + } + break; + case OPCODE_REQUEST_RESIDENT_PROGRAMS_NV: + (*ctx->Exec->RequestResidentProgramsNV)(n[1].ui, + (GLuint *) n[2].data); + break; + case OPCODE_LOAD_PROGRAM_NV: + (*ctx->Exec->LoadProgramNV)(n[1].e, n[2].ui, n[3].i, + (const GLubyte *) n[4].data); + break; + case OPCODE_PROGRAM_PARAMETER4F_NV: + (*ctx->Exec->ProgramParameter4fNV)(n[1].e, n[2].ui, n[3].f, + n[4].f, n[5].f, n[6].f); + break; + case OPCODE_TRACK_MATRIX_NV: + (*ctx->Exec->TrackMatrixNV)(n[1].e, n[2].ui, n[3].e, n[4].e); + break; +#endif + +#if FEATURE_NV_fragment_program + case OPCODE_PROGRAM_LOCAL_PARAMETER_ARB: + (*ctx->Exec->ProgramLocalParameter4fARB)(n[1].e, n[2].ui, n[3].f, + n[4].f, n[5].f, n[6].f); + break; + case OPCODE_PROGRAM_NAMED_PARAMETER_NV: + (*ctx->Exec->ProgramNamedParameter4fNV)(n[1].ui, n[2].i, + (const GLubyte *) n[3].data, + n[4].f, n[5].f, n[6].f, n[7].f); + break; +#endif + + case OPCODE_ACTIVE_STENCIL_FACE_EXT: + (*ctx->Exec->ActiveStencilFaceEXT)(n[1].e); + break; + case OPCODE_DEPTH_BOUNDS_EXT: + (*ctx->Exec->DepthBoundsEXT)(n[1].f, n[2].f); + break; +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + case OPCODE_PROGRAM_STRING_ARB: + (*ctx->Exec->ProgramStringARB)(n[1].e, n[2].e, n[3].i, n[4].data); + break; + case OPCODE_PROGRAM_ENV_PARAMETER_ARB: + (*ctx->Exec->ProgramEnvParameter4fARB)(n[1].e, n[2].ui, n[3].f, + n[4].f, n[5].f, n[6].f); + break; +#endif +#if FEATURE_ARB_occlusion_query + case OPCODE_BEGIN_QUERY_ARB: + ctx->Exec->BeginQueryARB(n[1].e, n[2].ui); + break; + case OPCODE_END_QUERY_ARB: + ctx->Exec->EndQueryARB(n[1].e); + break; +#endif + case OPCODE_ATTR_1F: + (*ctx->Exec->VertexAttrib1fNV)(n[1].e, n[2].f); + break; + case OPCODE_ATTR_2F: + /* Really shouldn't have to do this - the Node structure + * is convenient, but it would be better to store the data + * packed appropriately so that it can be sent directly + * on. With x86_64 becoming common, this will start to + * matter more. + */ + if (sizeof(Node)==sizeof(GLfloat)) + (*ctx->Exec->VertexAttrib2fvNV)(n[1].e, &n[2].f); + else + (*ctx->Exec->VertexAttrib2fNV)(n[1].e, n[2].f, n[3].f); + break; + case OPCODE_ATTR_3F: + if (sizeof(Node)==sizeof(GLfloat)) + (*ctx->Exec->VertexAttrib3fvNV)(n[1].e, &n[2].f); + else + (*ctx->Exec->VertexAttrib3fNV)(n[1].e, n[2].f, n[3].f, + n[4].f); + break; + case OPCODE_ATTR_4F: + if (sizeof(Node)==sizeof(GLfloat)) + (*ctx->Exec->VertexAttrib4fvNV)(n[1].e, &n[2].f); + else + (*ctx->Exec->VertexAttrib4fNV)(n[1].e, n[2].f, n[3].f, + n[4].f, n[5].f); + break; + case OPCODE_MATERIAL: + if (sizeof(Node)==sizeof(GLfloat)) + (*ctx->Exec->Materialfv)(n[1].e, n[2].e, &n[3].f); + else { + GLfloat f[4]; + f[0] = n[3].f; + f[1] = n[4].f; + f[2] = n[5].f; + f[3] = n[6].f; + (*ctx->Exec->Materialfv)(n[1].e, n[2].e, f); + } + break; + case OPCODE_INDEX: + (*ctx->Exec->Indexi)(n[1].i); + break; + case OPCODE_EDGEFLAG: + (*ctx->Exec->EdgeFlag)(n[1].b); + break; + case OPCODE_BEGIN: + (*ctx->Exec->Begin)(n[1].e); + break; + case OPCODE_END: + (*ctx->Exec->End)(); + break; + case OPCODE_RECTF: + (*ctx->Exec->Rectf)(n[1].f, n[2].f, n[3].f, n[4].f); + break; + case OPCODE_EVAL_C1: + (*ctx->Exec->EvalCoord1f)(n[1].f); + break; + case OPCODE_EVAL_C2: + (*ctx->Exec->EvalCoord2f)(n[1].f, n[2].f); + break; + case OPCODE_EVAL_P1: + (*ctx->Exec->EvalPoint1)(n[1].i); + break; + case OPCODE_EVAL_P2: + (*ctx->Exec->EvalPoint2)(n[1].i, n[2].i); + break; + + + + + case OPCODE_CONTINUE: + n = (Node *) n[1].next; + break; + case OPCODE_END_OF_LIST: + done = GL_TRUE; + break; + default: + { + char msg[1000]; + _mesa_sprintf(msg, "Error in execute_list: opcode=%d", (int) opcode); + _mesa_problem(ctx, msg); + } + done = GL_TRUE; + } + + /* increment n to point to next compiled command */ + if (opcode!=OPCODE_CONTINUE) { + n += InstSize[opcode]; + } + } + } + ctx->ListState.CallDepth--; + + if (ctx->Driver.EndCallList) + ctx->Driver.EndCallList( ctx ); +} + + + + + +/**********************************************************************/ +/* GL functions */ +/**********************************************************************/ + + + + +/* + * Test if a display list number is valid. + */ +GLboolean GLAPIENTRY +_mesa_IsList( GLuint list ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); /* must be called before assert */ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + return islist(ctx, list); +} + + +/* + * Delete a sequence of consecutive display lists. + */ +void GLAPIENTRY +_mesa_DeleteLists( GLuint list, GLsizei range ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint i; + FLUSH_VERTICES(ctx, 0); /* must be called before assert */ + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (range<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteLists" ); + return; + } + for (i=list;i<list+range;i++) { + _mesa_destroy_list( ctx, i ); + } +} + + + +/* + * Return a display list number, n, such that lists n through n+range-1 + * are free. + */ +GLuint GLAPIENTRY +_mesa_GenLists(GLsizei range ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint base; + FLUSH_VERTICES(ctx, 0); /* must be called before assert */ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); + + if (range<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glGenLists" ); + return 0; + } + if (range==0) { + return 0; + } + + /* + * Make this an atomic operation + */ + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + + base = _mesa_HashFindFreeKeyBlock(ctx->Shared->DisplayList, range); + if (base) { + /* reserve the list IDs by with empty/dummy lists */ + GLint i; + for (i=0; i<range; i++) { + _mesa_HashInsert(ctx->Shared->DisplayList, base+i, make_empty_list()); + } + } + + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + + return base; +} + + + +/* + * Begin a new display list. + */ +void GLAPIENTRY +_mesa_NewList( GLuint list, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + FLUSH_CURRENT(ctx, 0); /* must be called before assert */ + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glNewList %u %s\n", list, + _mesa_lookup_enum_by_nr(mode)); + + if (list==0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glNewList" ); + return; + } + + if (mode!=GL_COMPILE && mode!=GL_COMPILE_AND_EXECUTE) { + _mesa_error( ctx, GL_INVALID_ENUM, "glNewList" ); + return; + } + + if (ctx->ListState.CurrentListPtr) { + /* already compiling a display list */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glNewList" ); + return; + } + + ctx->CompileFlag = GL_TRUE; + ctx->ExecuteFlag = (mode == GL_COMPILE_AND_EXECUTE); + + /* Allocate new display list */ + ctx->ListState.CurrentListNum = list; + ctx->ListState.CurrentBlock = (Node *) CALLOC( sizeof(Node) * BLOCK_SIZE ); + ctx->ListState.CurrentListPtr = ctx->ListState.CurrentBlock; + ctx->ListState.CurrentPos = 0; + + /* Reset acumulated list state: + */ + for (i = 0; i < VERT_ATTRIB_MAX; i++) + ctx->ListState.ActiveAttribSize[i] = 0; + + for (i = 0; i < MAT_ATTRIB_MAX; i++) + ctx->ListState.ActiveMaterialSize[i] = 0; + + ctx->ListState.ActiveIndex = 0; + ctx->ListState.ActiveEdgeFlag = 0; + + ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN; + ctx->Driver.NewList( ctx, list, mode ); + + ctx->CurrentDispatch = ctx->Save; + _glapi_set_dispatch( ctx->CurrentDispatch ); +} + + + +/* + * End definition of current display list. + */ +void GLAPIENTRY +_mesa_EndList( void ) +{ + GET_CURRENT_CONTEXT(ctx); + SAVE_FLUSH_VERTICES(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glEndList\n"); + + /* Check that a list is under construction */ + if (!ctx->ListState.CurrentListPtr) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glEndList" ); + return; + } + + (void) ALLOC_INSTRUCTION( ctx, OPCODE_END_OF_LIST, 0 ); + + /* Destroy old list, if any */ + _mesa_destroy_list(ctx, ctx->ListState.CurrentListNum); + /* Install the list */ + _mesa_HashInsert(ctx->Shared->DisplayList, ctx->ListState.CurrentListNum, ctx->ListState.CurrentListPtr); + +#ifdef DEBUG + if (MESA_VERBOSE & VERBOSE_DISPLAY_LIST) + mesa_print_display_list(ctx->ListState.CurrentListNum); +#endif + + ctx->ListState.CurrentListNum = 0; + ctx->ListState.CurrentListPtr = NULL; + ctx->ExecuteFlag = GL_TRUE; + ctx->CompileFlag = GL_FALSE; + + ctx->Driver.EndList( ctx ); + + ctx->CurrentDispatch = ctx->Exec; + _glapi_set_dispatch( ctx->CurrentDispatch ); +} + + + +void GLAPIENTRY +_mesa_CallList( GLuint list ) +{ + GLboolean save_compile_flag; + GET_CURRENT_CONTEXT(ctx); + FLUSH_CURRENT(ctx, 0); + /* VERY IMPORTANT: Save the CompileFlag status, turn it off, */ + /* execute the display list, and restore the CompileFlag. */ + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glCallList %d\n", list); + + if (list == 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCallList(list==0)"); + return; + } + +/* mesa_print_display_list( list ); */ + + save_compile_flag = ctx->CompileFlag; + if (save_compile_flag) { + ctx->CompileFlag = GL_FALSE; + } + + execute_list( ctx, list ); + ctx->CompileFlag = save_compile_flag; + + /* also restore API function pointers to point to "save" versions */ + if (save_compile_flag) { + ctx->CurrentDispatch = ctx->Save; + _glapi_set_dispatch( ctx->CurrentDispatch ); + } +} + + + +/* + * Execute glCallLists: call multiple display lists. + */ +void GLAPIENTRY +_mesa_CallLists( GLsizei n, GLenum type, const GLvoid *lists ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint list; + GLint i; + GLboolean save_compile_flag; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glCallLists %d\n", n); + + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_2_BYTES: + case GL_3_BYTES: + case GL_4_BYTES: + /* OK */ + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glCallLists(type)"); + return; + } + + /* Save the CompileFlag status, turn it off, execute display list, + * and restore the CompileFlag. + */ + save_compile_flag = ctx->CompileFlag; + ctx->CompileFlag = GL_FALSE; + + for (i=0;i<n;i++) { + list = translate_id( i, type, lists ); + execute_list( ctx, ctx->List.ListBase + list ); + } + + ctx->CompileFlag = save_compile_flag; + + /* also restore API function pointers to point to "save" versions */ + if (save_compile_flag) { + ctx->CurrentDispatch = ctx->Save; + _glapi_set_dispatch( ctx->CurrentDispatch ); + } +} + + + +/* + * Set the offset added to list numbers in glCallLists. + */ +void GLAPIENTRY +_mesa_ListBase( GLuint base ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); /* must be called before assert */ + ASSERT_OUTSIDE_BEGIN_END(ctx); + ctx->List.ListBase = base; +} + + +/* Can no longer assume ctx->Exec->Func is equal to _mesa_Func. + */ +static void GLAPIENTRY exec_Finish( void ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->Finish(); +} + +static void GLAPIENTRY exec_Flush( void ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->Flush( ); +} + +static void GLAPIENTRY exec_GetBooleanv( GLenum pname, GLboolean *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetBooleanv( pname, params ); +} + +static void GLAPIENTRY exec_GetClipPlane( GLenum plane, GLdouble *equation ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetClipPlane( plane, equation ); +} + +static void GLAPIENTRY exec_GetDoublev( GLenum pname, GLdouble *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetDoublev( pname, params ); +} + +static GLenum GLAPIENTRY exec_GetError( void ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->GetError( ); +} + +static void GLAPIENTRY exec_GetFloatv( GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetFloatv( pname, params ); +} + +static void GLAPIENTRY exec_GetIntegerv( GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetIntegerv( pname, params ); +} + +static void GLAPIENTRY exec_GetLightfv( GLenum light, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetLightfv( light, pname, params ); +} + +static void GLAPIENTRY exec_GetLightiv( GLenum light, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetLightiv( light, pname, params ); +} + +static void GLAPIENTRY exec_GetMapdv( GLenum target, GLenum query, GLdouble *v ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMapdv( target, query, v ); +} + +static void GLAPIENTRY exec_GetMapfv( GLenum target, GLenum query, GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMapfv( target, query, v ); +} + +static void GLAPIENTRY exec_GetMapiv( GLenum target, GLenum query, GLint *v ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMapiv( target, query, v ); +} + +static void GLAPIENTRY exec_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMaterialfv( face, pname, params ); +} + +static void GLAPIENTRY exec_GetMaterialiv( GLenum face, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMaterialiv( face, pname, params ); +} + +static void GLAPIENTRY exec_GetPixelMapfv( GLenum map, GLfloat *values ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPixelMapfv( map, values ); +} + +static void GLAPIENTRY exec_GetPixelMapuiv( GLenum map, GLuint *values ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPixelMapuiv( map, values ); +} + +static void GLAPIENTRY exec_GetPixelMapusv( GLenum map, GLushort *values ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPixelMapusv( map, values ); +} + +static void GLAPIENTRY exec_GetPolygonStipple( GLubyte *dest ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPolygonStipple( dest ); +} + +static const GLubyte * GLAPIENTRY exec_GetString( GLenum name ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->GetString( name ); +} + +static void GLAPIENTRY exec_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexEnvfv( target, pname, params ); +} + +static void GLAPIENTRY exec_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexEnviv( target, pname, params ); +} + +static void GLAPIENTRY exec_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexGendv( coord, pname, params ); +} + +static void GLAPIENTRY exec_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexGenfv( coord, pname, params ); +} + +static void GLAPIENTRY exec_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexGeniv( coord, pname, params ); +} + +static void GLAPIENTRY exec_GetTexImage( GLenum target, GLint level, GLenum format, + GLenum type, GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexImage( target, level, format, type, pixels ); +} + +static void GLAPIENTRY exec_GetTexLevelParameterfv( GLenum target, GLint level, + GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexLevelParameterfv( target, level, pname, params ); +} + +static void GLAPIENTRY exec_GetTexLevelParameteriv( GLenum target, GLint level, + GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexLevelParameteriv( target, level, pname, params ); +} + +static void GLAPIENTRY exec_GetTexParameterfv( GLenum target, GLenum pname, + GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexParameterfv( target, pname, params ); +} + +static void GLAPIENTRY exec_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetTexParameteriv( target, pname, params ); +} + +static GLboolean GLAPIENTRY exec_IsEnabled( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->IsEnabled( cap ); +} + +static void GLAPIENTRY exec_PixelStoref( GLenum pname, GLfloat param ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->PixelStoref( pname, param ); +} + +static void GLAPIENTRY exec_PixelStorei( GLenum pname, GLint param ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->PixelStorei( pname, param ); +} + +static void GLAPIENTRY exec_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->ReadPixels( x, y, width, height, format, type, pixels ); +} + +static GLint GLAPIENTRY exec_RenderMode( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->RenderMode( mode ); +} + +static void GLAPIENTRY exec_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->FeedbackBuffer( size, type, buffer ); +} + +static void GLAPIENTRY exec_SelectBuffer( GLsizei size, GLuint *buffer ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->SelectBuffer( size, buffer ); +} + +static GLboolean GLAPIENTRY exec_AreTexturesResident(GLsizei n, const GLuint *texName, + GLboolean *residences) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->AreTexturesResident( n, texName, residences); +} + +static void GLAPIENTRY exec_ColorPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->ColorPointer( size, type, stride, ptr); +} + +static void GLAPIENTRY exec_DeleteTextures( GLsizei n, const GLuint *texName) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->DeleteTextures( n, texName); +} + +static void GLAPIENTRY exec_DisableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->DisableClientState( cap ); +} + +static void GLAPIENTRY exec_EdgeFlagPointer(GLsizei stride, const GLvoid *vptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->EdgeFlagPointer( stride, vptr); +} + +static void GLAPIENTRY exec_EnableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->EnableClientState( cap ); +} + +static void GLAPIENTRY exec_GenTextures( GLsizei n, GLuint *texName ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GenTextures( n, texName ); +} + +static void GLAPIENTRY exec_GetPointerv( GLenum pname, GLvoid **params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPointerv( pname, params ); +} + +static void GLAPIENTRY exec_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->IndexPointer( type, stride, ptr); +} + +static void GLAPIENTRY exec_InterleavedArrays(GLenum format, GLsizei stride, + const GLvoid *pointer) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->InterleavedArrays( format, stride, pointer); +} + +static GLboolean GLAPIENTRY exec_IsTexture( GLuint texture ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + return ctx->Exec->IsTexture( texture ); +} + +static void GLAPIENTRY exec_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->NormalPointer( type, stride, ptr ); +} + +static void GLAPIENTRY exec_PopClientAttrib(void) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->PopClientAttrib(); +} + +static void GLAPIENTRY exec_PushClientAttrib(GLbitfield mask) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->PushClientAttrib( mask); +} + +static void GLAPIENTRY exec_TexCoordPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->TexCoordPointer( size, type, stride, ptr); +} + +static void GLAPIENTRY exec_GetCompressedTexImageARB(GLenum target, GLint level, + GLvoid *img) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetCompressedTexImageARB( target, level, img); +} + +static void GLAPIENTRY exec_VertexPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->VertexPointer( size, type, stride, ptr); +} + +static void GLAPIENTRY exec_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, + GLint x, GLint y, GLsizei width) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->CopyConvolutionFilter1D( target, internalFormat, x, y, width); +} + +static void GLAPIENTRY exec_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, + GLint x, GLint y, GLsizei width, + GLsizei height) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->CopyConvolutionFilter2D( target, internalFormat, x, y, width, + height); +} + +static void GLAPIENTRY exec_GetColorTable( GLenum target, GLenum format, + GLenum type, GLvoid *data ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetColorTable( target, format, type, data ); +} + +static void GLAPIENTRY exec_GetColorTableParameterfv( GLenum target, GLenum pname, + GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetColorTableParameterfv( target, pname, params ); +} + +static void GLAPIENTRY exec_GetColorTableParameteriv( GLenum target, GLenum pname, + GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetColorTableParameteriv( target, pname, params ); +} + +static void GLAPIENTRY exec_GetConvolutionFilter(GLenum target, GLenum format, GLenum type, + GLvoid *image) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetConvolutionFilter( target, format, type, image); +} + +static void GLAPIENTRY exec_GetConvolutionParameterfv(GLenum target, GLenum pname, + GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetConvolutionParameterfv( target, pname, params); +} + +static void GLAPIENTRY exec_GetConvolutionParameteriv(GLenum target, GLenum pname, + GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetConvolutionParameteriv( target, pname, params); +} + +static void GLAPIENTRY exec_GetHistogram(GLenum target, GLboolean reset, GLenum format, + GLenum type, GLvoid *values) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetHistogram( target, reset, format, type, values); +} + +static void GLAPIENTRY exec_GetHistogramParameterfv(GLenum target, GLenum pname, + GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetHistogramParameterfv( target, pname, params); +} + +static void GLAPIENTRY exec_GetHistogramParameteriv(GLenum target, GLenum pname, + GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetHistogramParameteriv( target, pname, params); +} + +static void GLAPIENTRY exec_GetMinmax(GLenum target, GLboolean reset, GLenum format, + GLenum type, GLvoid *values) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMinmax( target, reset, format, type, values); +} + +static void GLAPIENTRY exec_GetMinmaxParameterfv(GLenum target, GLenum pname, + GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMinmaxParameterfv( target, pname, params); +} + +static void GLAPIENTRY exec_GetMinmaxParameteriv(GLenum target, GLenum pname, + GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetMinmaxParameteriv( target, pname, params); +} + +static void GLAPIENTRY exec_GetSeparableFilter(GLenum target, GLenum format, GLenum type, + GLvoid *row, GLvoid *column, GLvoid *span) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetSeparableFilter( target, format, type, row, column, span); +} + +static void GLAPIENTRY exec_SeparableFilter2D(GLenum target, GLenum internalFormat, + GLsizei width, GLsizei height, GLenum format, + GLenum type, const GLvoid *row, + const GLvoid *column) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->SeparableFilter2D( target, internalFormat, width, height, format, + type, row, column); +} + +static void GLAPIENTRY exec_GetPixelTexGenParameterivSGIS(GLenum target, GLint *value) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPixelTexGenParameterivSGIS( target, value); +} + +static void GLAPIENTRY exec_GetPixelTexGenParameterfvSGIS(GLenum target, GLfloat *value) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->GetPixelTexGenParameterfvSGIS( target, value); +} + +static void GLAPIENTRY exec_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->ColorPointerEXT( size, type, stride, count, ptr); +} + +static void GLAPIENTRY exec_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, + const GLboolean *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->EdgeFlagPointerEXT( stride, count, ptr); +} + +static void GLAPIENTRY exec_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->IndexPointerEXT( type, stride, count, ptr); +} + +static void GLAPIENTRY exec_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->NormalPointerEXT( type, stride, count, ptr); +} + +static void GLAPIENTRY exec_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->TexCoordPointerEXT( size, type, stride, count, ptr); +} + +static void GLAPIENTRY exec_VertexPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->VertexPointerEXT( size, type, stride, count, ptr); +} + +static void GLAPIENTRY exec_LockArraysEXT(GLint first, GLsizei count) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->LockArraysEXT( first, count); +} + +static void GLAPIENTRY exec_UnlockArraysEXT( void ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->UnlockArraysEXT( ); +} + +static void GLAPIENTRY exec_ResizeBuffersMESA( void ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->ResizeBuffersMESA( ); +} + + +static void GLAPIENTRY exec_ClientActiveTextureARB( GLenum target ) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->ClientActiveTextureARB(target); +} + +static void GLAPIENTRY exec_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->SecondaryColorPointerEXT( size, type, stride, ptr); +} + +static void GLAPIENTRY exec_FogCoordPointerEXT(GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->FogCoordPointerEXT( type, stride, ptr); +} + +/* GL_EXT_multi_draw_arrays */ +static void GLAPIENTRY exec_MultiDrawArraysEXT(GLenum mode, GLint *first, + GLsizei *count, GLsizei primcount) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->MultiDrawArraysEXT( mode, first, count, primcount ); +} + +/* GL_EXT_multi_draw_arrays */ +static void GLAPIENTRY exec_MultiDrawElementsEXT(GLenum mode, const GLsizei *count, + GLenum type, const GLvoid **indices, + GLsizei primcount) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->MultiDrawElementsEXT(mode, count, type, indices, primcount); +} + +/* GL_IBM_multimode_draw_arrays */ +static void GLAPIENTRY exec_MultiModeDrawArraysIBM(const GLenum *mode, const GLint *first, + const GLsizei *count, GLsizei primcount, + GLint modestride) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->MultiModeDrawArraysIBM(mode, first, count, primcount, modestride); +} + +/* GL_IBM_multimode_draw_arrays */ +static void GLAPIENTRY exec_MultiModeDrawElementsIBM(const GLenum *mode, + const GLsizei *count, + GLenum type, + const GLvoid * const *indices, + GLsizei primcount, GLint modestride) +{ + GET_CURRENT_CONTEXT(ctx); + FLUSH_VERTICES(ctx, 0); + ctx->Exec->MultiModeDrawElementsIBM(mode, count, type, indices, primcount, + modestride); +} + + + + +/** + * Setup the given dispatch table to point to Mesa's display list + * building functions. + * + * This does not include any of the tnl functions - they are + * initialized from _mesa_init_api_defaults and from the active vtxfmt + * struct. + */ +void +_mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize ) +{ + _mesa_init_no_op_table(table, tableSize); + + _mesa_loopback_init_api_table( table ); + + /* GL 1.0 */ + table->Accum = save_Accum; + table->AlphaFunc = save_AlphaFunc; + table->Bitmap = save_Bitmap; + table->BlendFunc = _mesa_BlendFunc; /* loops-back to BlendFuncSeparate */ + table->CallList = _mesa_save_CallList; + table->CallLists = _mesa_save_CallLists; + table->Clear = save_Clear; + table->ClearAccum = save_ClearAccum; + table->ClearColor = save_ClearColor; + table->ClearDepth = save_ClearDepth; + table->ClearIndex = save_ClearIndex; + table->ClearStencil = save_ClearStencil; + table->ClipPlane = save_ClipPlane; + table->ColorMask = save_ColorMask; + table->ColorMaterial = save_ColorMaterial; + table->CopyPixels = save_CopyPixels; + table->CullFace = save_CullFace; + table->DeleteLists = _mesa_DeleteLists; + table->DepthFunc = save_DepthFunc; + table->DepthMask = save_DepthMask; + table->DepthRange = save_DepthRange; + table->Disable = save_Disable; + table->DrawBuffer = save_DrawBuffer; + table->DrawPixels = save_DrawPixels; + table->Enable = save_Enable; + table->EndList = _mesa_EndList; + table->EvalMesh1 = _mesa_save_EvalMesh1; + table->EvalMesh2 = _mesa_save_EvalMesh2; + table->Finish = exec_Finish; + table->Flush = exec_Flush; + table->Fogf = save_Fogf; + table->Fogfv = save_Fogfv; + table->Fogi = save_Fogi; + table->Fogiv = save_Fogiv; + table->FrontFace = save_FrontFace; + table->Frustum = save_Frustum; + table->GenLists = _mesa_GenLists; + table->GetBooleanv = exec_GetBooleanv; + table->GetClipPlane = exec_GetClipPlane; + table->GetDoublev = exec_GetDoublev; + table->GetError = exec_GetError; + table->GetFloatv = exec_GetFloatv; + table->GetIntegerv = exec_GetIntegerv; + table->GetLightfv = exec_GetLightfv; + table->GetLightiv = exec_GetLightiv; + table->GetMapdv = exec_GetMapdv; + table->GetMapfv = exec_GetMapfv; + table->GetMapiv = exec_GetMapiv; + table->GetMaterialfv = exec_GetMaterialfv; + table->GetMaterialiv = exec_GetMaterialiv; + table->GetPixelMapfv = exec_GetPixelMapfv; + table->GetPixelMapuiv = exec_GetPixelMapuiv; + table->GetPixelMapusv = exec_GetPixelMapusv; + table->GetPolygonStipple = exec_GetPolygonStipple; + table->GetString = exec_GetString; + table->GetTexEnvfv = exec_GetTexEnvfv; + table->GetTexEnviv = exec_GetTexEnviv; + table->GetTexGendv = exec_GetTexGendv; + table->GetTexGenfv = exec_GetTexGenfv; + table->GetTexGeniv = exec_GetTexGeniv; + table->GetTexImage = exec_GetTexImage; + table->GetTexLevelParameterfv = exec_GetTexLevelParameterfv; + table->GetTexLevelParameteriv = exec_GetTexLevelParameteriv; + table->GetTexParameterfv = exec_GetTexParameterfv; + table->GetTexParameteriv = exec_GetTexParameteriv; + table->Hint = save_Hint; + table->IndexMask = save_IndexMask; + table->InitNames = save_InitNames; + table->IsEnabled = exec_IsEnabled; + table->IsList = _mesa_IsList; + table->LightModelf = save_LightModelf; + table->LightModelfv = save_LightModelfv; + table->LightModeli = save_LightModeli; + table->LightModeliv = save_LightModeliv; + table->Lightf = save_Lightf; + table->Lightfv = save_Lightfv; + table->Lighti = save_Lighti; + table->Lightiv = save_Lightiv; + table->LineStipple = save_LineStipple; + table->LineWidth = save_LineWidth; + table->ListBase = save_ListBase; + table->LoadIdentity = save_LoadIdentity; + table->LoadMatrixd = save_LoadMatrixd; + table->LoadMatrixf = save_LoadMatrixf; + table->LoadName = save_LoadName; + table->LogicOp = save_LogicOp; + table->Map1d = save_Map1d; + table->Map1f = save_Map1f; + table->Map2d = save_Map2d; + table->Map2f = save_Map2f; + table->MapGrid1d = save_MapGrid1d; + table->MapGrid1f = save_MapGrid1f; + table->MapGrid2d = save_MapGrid2d; + table->MapGrid2f = save_MapGrid2f; + table->MatrixMode = save_MatrixMode; + table->MultMatrixd = save_MultMatrixd; + table->MultMatrixf = save_MultMatrixf; + table->NewList = save_NewList; + table->Ortho = save_Ortho; + table->PassThrough = save_PassThrough; + table->PixelMapfv = save_PixelMapfv; + table->PixelMapuiv = save_PixelMapuiv; + table->PixelMapusv = save_PixelMapusv; + table->PixelStoref = exec_PixelStoref; + table->PixelStorei = exec_PixelStorei; + table->PixelTransferf = save_PixelTransferf; + table->PixelTransferi = save_PixelTransferi; + table->PixelZoom = save_PixelZoom; + table->PointSize = save_PointSize; + table->PolygonMode = save_PolygonMode; + table->PolygonOffset = save_PolygonOffset; + table->PolygonStipple = save_PolygonStipple; + table->PopAttrib = save_PopAttrib; + table->PopMatrix = save_PopMatrix; + table->PopName = save_PopName; + table->PushAttrib = save_PushAttrib; + table->PushMatrix = save_PushMatrix; + table->PushName = save_PushName; + table->RasterPos2d = save_RasterPos2d; + table->RasterPos2dv = save_RasterPos2dv; + table->RasterPos2f = save_RasterPos2f; + table->RasterPos2fv = save_RasterPos2fv; + table->RasterPos2i = save_RasterPos2i; + table->RasterPos2iv = save_RasterPos2iv; + table->RasterPos2s = save_RasterPos2s; + table->RasterPos2sv = save_RasterPos2sv; + table->RasterPos3d = save_RasterPos3d; + table->RasterPos3dv = save_RasterPos3dv; + table->RasterPos3f = save_RasterPos3f; + table->RasterPos3fv = save_RasterPos3fv; + table->RasterPos3i = save_RasterPos3i; + table->RasterPos3iv = save_RasterPos3iv; + table->RasterPos3s = save_RasterPos3s; + table->RasterPos3sv = save_RasterPos3sv; + table->RasterPos4d = save_RasterPos4d; + table->RasterPos4dv = save_RasterPos4dv; + table->RasterPos4f = save_RasterPos4f; + table->RasterPos4fv = save_RasterPos4fv; + table->RasterPos4i = save_RasterPos4i; + table->RasterPos4iv = save_RasterPos4iv; + table->RasterPos4s = save_RasterPos4s; + table->RasterPos4sv = save_RasterPos4sv; + table->ReadBuffer = save_ReadBuffer; + table->ReadPixels = exec_ReadPixels; + table->RenderMode = exec_RenderMode; + table->Rotated = save_Rotated; + table->Rotatef = save_Rotatef; + table->Scaled = save_Scaled; + table->Scalef = save_Scalef; + table->Scissor = save_Scissor; + table->FeedbackBuffer = exec_FeedbackBuffer; + table->SelectBuffer = exec_SelectBuffer; + table->ShadeModel = save_ShadeModel; + table->StencilFunc = save_StencilFunc; + table->StencilMask = save_StencilMask; + table->StencilOp = save_StencilOp; + table->TexEnvf = save_TexEnvf; + table->TexEnvfv = save_TexEnvfv; + table->TexEnvi = save_TexEnvi; + table->TexEnviv = save_TexEnviv; + table->TexGend = save_TexGend; + table->TexGendv = save_TexGendv; + table->TexGenf = save_TexGenf; + table->TexGenfv = save_TexGenfv; + table->TexGeni = save_TexGeni; + table->TexGeniv = save_TexGeniv; + table->TexImage1D = save_TexImage1D; + table->TexImage2D = save_TexImage2D; + table->TexParameterf = save_TexParameterf; + table->TexParameterfv = save_TexParameterfv; + table->TexParameteri = save_TexParameteri; + table->TexParameteriv = save_TexParameteriv; + table->Translated = save_Translated; + table->Translatef = save_Translatef; + table->Viewport = save_Viewport; + + /* GL 1.1 */ + table->AreTexturesResident = exec_AreTexturesResident; + table->AreTexturesResidentEXT = exec_AreTexturesResident; + table->BindTexture = save_BindTexture; + table->ColorPointer = exec_ColorPointer; + table->CopyTexImage1D = save_CopyTexImage1D; + table->CopyTexImage2D = save_CopyTexImage2D; + table->CopyTexSubImage1D = save_CopyTexSubImage1D; + table->CopyTexSubImage2D = save_CopyTexSubImage2D; + table->DeleteTextures = exec_DeleteTextures; + table->DisableClientState = exec_DisableClientState; + table->EdgeFlagPointer = exec_EdgeFlagPointer; + table->EnableClientState = exec_EnableClientState; + table->GenTextures = exec_GenTextures; + table->GenTexturesEXT = exec_GenTextures; + table->GetPointerv = exec_GetPointerv; + table->IndexPointer = exec_IndexPointer; + table->InterleavedArrays = exec_InterleavedArrays; + table->IsTexture = exec_IsTexture; + table->IsTextureEXT = exec_IsTexture; + table->NormalPointer = exec_NormalPointer; + table->PopClientAttrib = exec_PopClientAttrib; + table->PrioritizeTextures = save_PrioritizeTextures; + table->PushClientAttrib = exec_PushClientAttrib; + table->TexCoordPointer = exec_TexCoordPointer; + table->TexSubImage1D = save_TexSubImage1D; + table->TexSubImage2D = save_TexSubImage2D; + table->VertexPointer = exec_VertexPointer; + + /* GL 1.2 */ + table->CopyTexSubImage3D = save_CopyTexSubImage3D; + table->TexImage3D = save_TexImage3D; + table->TexSubImage3D = save_TexSubImage3D; + + /* GL_ARB_imaging */ + /* Not all are supported */ + table->BlendColor = save_BlendColor; + table->BlendEquation = save_BlendEquation; + table->ColorSubTable = save_ColorSubTable; + table->ColorTable = save_ColorTable; + table->ColorTableParameterfv = save_ColorTableParameterfv; + table->ColorTableParameteriv = save_ColorTableParameteriv; + table->ConvolutionFilter1D = save_ConvolutionFilter1D; + table->ConvolutionFilter2D = save_ConvolutionFilter2D; + table->ConvolutionParameterf = save_ConvolutionParameterf; + table->ConvolutionParameterfv = save_ConvolutionParameterfv; + table->ConvolutionParameteri = save_ConvolutionParameteri; + table->ConvolutionParameteriv = save_ConvolutionParameteriv; + table->CopyColorSubTable = save_CopyColorSubTable; + table->CopyColorTable = save_CopyColorTable; + table->CopyConvolutionFilter1D = exec_CopyConvolutionFilter1D; + table->CopyConvolutionFilter2D = exec_CopyConvolutionFilter2D; + table->GetColorTable = exec_GetColorTable; + table->GetColorTableEXT = exec_GetColorTable; + table->GetColorTableParameterfv = exec_GetColorTableParameterfv; + table->GetColorTableParameterfvEXT = exec_GetColorTableParameterfv; + table->GetColorTableParameteriv = exec_GetColorTableParameteriv; + table->GetColorTableParameterivEXT = exec_GetColorTableParameteriv; + table->GetConvolutionFilter = exec_GetConvolutionFilter; + table->GetConvolutionFilterEXT = exec_GetConvolutionFilter; + table->GetConvolutionParameterfv = exec_GetConvolutionParameterfv; + table->GetConvolutionParameterfvEXT = exec_GetConvolutionParameterfv; + table->GetConvolutionParameteriv = exec_GetConvolutionParameteriv; + table->GetConvolutionParameterivEXT = exec_GetConvolutionParameteriv; + table->GetHistogram = exec_GetHistogram; + table->GetHistogramEXT = exec_GetHistogram; + table->GetHistogramParameterfv = exec_GetHistogramParameterfv; + table->GetHistogramParameterfvEXT = exec_GetHistogramParameterfv; + table->GetHistogramParameteriv = exec_GetHistogramParameteriv; + table->GetHistogramParameterivEXT = exec_GetHistogramParameteriv; + table->GetMinmax = exec_GetMinmax; + table->GetMinmaxEXT = exec_GetMinmax; + table->GetMinmaxParameterfv = exec_GetMinmaxParameterfv; + table->GetMinmaxParameterfvEXT = exec_GetMinmaxParameterfv; + table->GetMinmaxParameteriv = exec_GetMinmaxParameteriv; + table->GetMinmaxParameterivEXT = exec_GetMinmaxParameteriv; + table->GetSeparableFilter = exec_GetSeparableFilter; + table->GetSeparableFilterEXT = exec_GetSeparableFilter; + table->Histogram = save_Histogram; + table->Minmax = save_Minmax; + table->ResetHistogram = save_ResetHistogram; + table->ResetMinmax = save_ResetMinmax; + table->SeparableFilter2D = exec_SeparableFilter2D; + + /* 2. GL_EXT_blend_color */ +#if 0 + table->BlendColorEXT = save_BlendColorEXT; +#endif + + /* 3. GL_EXT_polygon_offset */ + table->PolygonOffsetEXT = save_PolygonOffsetEXT; + + /* 6. GL_EXT_texture3d */ +#if 0 + table->CopyTexSubImage3DEXT = save_CopyTexSubImage3D; + table->TexImage3DEXT = save_TexImage3DEXT; + table->TexSubImage3DEXT = save_TexSubImage3D; +#endif + + /* 15. GL_SGIX_pixel_texture */ + table->PixelTexGenSGIX = save_PixelTexGenSGIX; + + /* 15. GL_SGIS_pixel_texture */ + table->PixelTexGenParameteriSGIS = save_PixelTexGenParameteriSGIS; + table->PixelTexGenParameterfSGIS = save_PixelTexGenParameterfSGIS; + table->PixelTexGenParameterivSGIS = save_PixelTexGenParameterivSGIS; + table->PixelTexGenParameterfvSGIS = save_PixelTexGenParameterfvSGIS; + table->GetPixelTexGenParameterivSGIS = exec_GetPixelTexGenParameterivSGIS; + table->GetPixelTexGenParameterfvSGIS = exec_GetPixelTexGenParameterfvSGIS; + + /* 30. GL_EXT_vertex_array */ + table->ColorPointerEXT = exec_ColorPointerEXT; + table->EdgeFlagPointerEXT = exec_EdgeFlagPointerEXT; + table->IndexPointerEXT = exec_IndexPointerEXT; + table->NormalPointerEXT = exec_NormalPointerEXT; + table->TexCoordPointerEXT = exec_TexCoordPointerEXT; + table->VertexPointerEXT = exec_VertexPointerEXT; + + /* 37. GL_EXT_blend_minmax */ +#if 0 + table->BlendEquationEXT = save_BlendEquationEXT; +#endif + + /* 54. GL_EXT_point_parameters */ + table->PointParameterfEXT = save_PointParameterfEXT; + table->PointParameterfvEXT = save_PointParameterfvEXT; + + /* 78. GL_EXT_paletted_texture */ +#if 0 + table->ColorTableEXT = save_ColorTable; + table->ColorSubTableEXT = save_ColorSubTable; +#endif + table->GetColorTableEXT = exec_GetColorTable; + table->GetColorTableParameterfvEXT = exec_GetColorTableParameterfv; + table->GetColorTableParameterivEXT = exec_GetColorTableParameteriv; + + /* 97. GL_EXT_compiled_vertex_array */ + table->LockArraysEXT = exec_LockArraysEXT; + table->UnlockArraysEXT = exec_UnlockArraysEXT; + + /* 145. GL_EXT_secondary_color */ + table->SecondaryColorPointerEXT = exec_SecondaryColorPointerEXT; + + /* 148. GL_EXT_multi_draw_arrays */ + table->MultiDrawArraysEXT = exec_MultiDrawArraysEXT; + table->MultiDrawElementsEXT = exec_MultiDrawElementsEXT; + + /* 149. GL_EXT_fog_coord */ + table->FogCoordPointerEXT = exec_FogCoordPointerEXT; + + /* 173. GL_EXT_blend_func_separate */ + table->BlendFuncSeparateEXT = save_BlendFuncSeparateEXT; + + /* 196. GL_MESA_resize_buffers */ + table->ResizeBuffersMESA = exec_ResizeBuffersMESA; + + /* 197. GL_MESA_window_pos */ + table->WindowPos2dMESA = save_WindowPos2dMESA; + table->WindowPos2dvMESA = save_WindowPos2dvMESA; + table->WindowPos2fMESA = save_WindowPos2fMESA; + table->WindowPos2fvMESA = save_WindowPos2fvMESA; + table->WindowPos2iMESA = save_WindowPos2iMESA; + table->WindowPos2ivMESA = save_WindowPos2ivMESA; + table->WindowPos2sMESA = save_WindowPos2sMESA; + table->WindowPos2svMESA = save_WindowPos2svMESA; + table->WindowPos3dMESA = save_WindowPos3dMESA; + table->WindowPos3dvMESA = save_WindowPos3dvMESA; + table->WindowPos3fMESA = save_WindowPos3fMESA; + table->WindowPos3fvMESA = save_WindowPos3fvMESA; + table->WindowPos3iMESA = save_WindowPos3iMESA; + table->WindowPos3ivMESA = save_WindowPos3ivMESA; + table->WindowPos3sMESA = save_WindowPos3sMESA; + table->WindowPos3svMESA = save_WindowPos3svMESA; + table->WindowPos4dMESA = save_WindowPos4dMESA; + table->WindowPos4dvMESA = save_WindowPos4dvMESA; + table->WindowPos4fMESA = save_WindowPos4fMESA; + table->WindowPos4fvMESA = save_WindowPos4fvMESA; + table->WindowPos4iMESA = save_WindowPos4iMESA; + table->WindowPos4ivMESA = save_WindowPos4ivMESA; + table->WindowPos4sMESA = save_WindowPos4sMESA; + table->WindowPos4svMESA = save_WindowPos4svMESA; + + /* 200. GL_IBM_multimode_draw_arrays */ + table->MultiModeDrawArraysIBM = exec_MultiModeDrawArraysIBM; + table->MultiModeDrawElementsIBM = exec_MultiModeDrawElementsIBM; + +#if FEATURE_NV_vertex_program + /* 233. GL_NV_vertex_program */ + /* The following commands DO NOT go into display lists: + * AreProgramsResidentNV, IsProgramNV, GenProgramsNV, DeleteProgramsNV, + * VertexAttribPointerNV, GetProgram*, GetVertexAttrib* + */ + table->BindProgramNV = save_BindProgramNV; + table->DeleteProgramsNV = _mesa_DeletePrograms; + table->ExecuteProgramNV = save_ExecuteProgramNV; + table->GenProgramsNV = _mesa_GenPrograms; + table->AreProgramsResidentNV = _mesa_AreProgramsResidentNV; + table->RequestResidentProgramsNV = save_RequestResidentProgramsNV; + table->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV; + table->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV; + table->GetProgramivNV = _mesa_GetProgramivNV; + table->GetProgramStringNV = _mesa_GetProgramStringNV; + table->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV; + table->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV; + table->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV; + table->GetVertexAttribivNV = _mesa_GetVertexAttribivNV; + table->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV; + table->IsProgramNV = _mesa_IsProgram; + table->LoadProgramNV = save_LoadProgramNV; + table->ProgramParameter4dNV = save_ProgramParameter4dNV; + table->ProgramParameter4dvNV = save_ProgramParameter4dvNV; + table->ProgramParameter4fNV = save_ProgramParameter4fNV; + table->ProgramParameter4fvNV = save_ProgramParameter4fvNV; + table->ProgramParameters4dvNV = save_ProgramParameters4dvNV; + table->ProgramParameters4fvNV = save_ProgramParameters4fvNV; + table->TrackMatrixNV = save_TrackMatrixNV; + table->VertexAttribPointerNV = _mesa_VertexAttribPointerNV; +#endif + + /* 282. GL_NV_fragment_program */ +#if FEATURE_NV_fragment_program + table->ProgramNamedParameter4fNV = save_ProgramNamedParameter4fNV; + table->ProgramNamedParameter4dNV = save_ProgramNamedParameter4dNV; + table->ProgramNamedParameter4fvNV = save_ProgramNamedParameter4fvNV; + table->ProgramNamedParameter4dvNV = save_ProgramNamedParameter4dvNV; + table->GetProgramNamedParameterfvNV = _mesa_GetProgramNamedParameterfvNV; + table->GetProgramNamedParameterdvNV = _mesa_GetProgramNamedParameterdvNV; + table->ProgramLocalParameter4dARB = save_ProgramLocalParameter4dARB; + table->ProgramLocalParameter4dvARB = save_ProgramLocalParameter4dvARB; + table->ProgramLocalParameter4fARB = save_ProgramLocalParameter4fARB; + table->ProgramLocalParameter4fvARB = save_ProgramLocalParameter4fvARB; + table->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB; + table->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB; +#endif + + /* 262. GL_NV_point_sprite */ + table->PointParameteriNV = save_PointParameteriNV; + table->PointParameterivNV = save_PointParameterivNV; + + /* 268. GL_EXT_stencil_two_side */ + table->ActiveStencilFaceEXT = save_ActiveStencilFaceEXT; + + /* ???. GL_EXT_depth_bounds_test */ + table->DepthBoundsEXT = save_DepthBoundsEXT; + + /* ARB 1. GL_ARB_multitexture */ + table->ActiveTextureARB = save_ActiveTextureARB; + table->ClientActiveTextureARB = exec_ClientActiveTextureARB; + + /* ARB 3. GL_ARB_transpose_matrix */ + table->LoadTransposeMatrixdARB = save_LoadTransposeMatrixdARB; + table->LoadTransposeMatrixfARB = save_LoadTransposeMatrixfARB; + table->MultTransposeMatrixdARB = save_MultTransposeMatrixdARB; + table->MultTransposeMatrixfARB = save_MultTransposeMatrixfARB; + + /* ARB 5. GL_ARB_multisample */ + table->SampleCoverageARB = save_SampleCoverageARB; + + /* ARB 12. GL_ARB_texture_compression */ + table->CompressedTexImage3DARB = save_CompressedTexImage3DARB; + table->CompressedTexImage2DARB = save_CompressedTexImage2DARB; + table->CompressedTexImage1DARB = save_CompressedTexImage1DARB; + table->CompressedTexSubImage3DARB = save_CompressedTexSubImage3DARB; + table->CompressedTexSubImage2DARB = save_CompressedTexSubImage2DARB; + table->CompressedTexSubImage1DARB = save_CompressedTexSubImage1DARB; + table->GetCompressedTexImageARB = exec_GetCompressedTexImageARB; + + /* ARB 14. GL_ARB_point_parameters */ + /* aliased with EXT_point_parameters functions */ + + /* ARB 25. GL_ARB_window_pos */ + /* aliased with MESA_window_pos functions */ + + /* ARB 26. GL_ARB_vertex_program */ + /* ARB 27. GL_ARB_fragment_program */ +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + /* glVertexAttrib* functions alias the NV ones, handled elsewhere */ + table->VertexAttribPointerARB = _mesa_VertexAttribPointerARB; + table->EnableVertexAttribArrayARB = _mesa_EnableVertexAttribArrayARB; + table->DisableVertexAttribArrayARB = _mesa_DisableVertexAttribArrayARB; + table->ProgramStringARB = save_ProgramStringARB; + table->BindProgramNV = save_BindProgramNV; + table->DeleteProgramsNV = _mesa_DeletePrograms; + table->GenProgramsNV = _mesa_GenPrograms; + table->IsProgramNV = _mesa_IsProgram; + table->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV; + table->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV; + table->GetVertexAttribivNV = _mesa_GetVertexAttribivNV; + table->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV; + table->ProgramEnvParameter4dARB = save_ProgramEnvParameter4dARB; + table->ProgramEnvParameter4dvARB = save_ProgramEnvParameter4dvARB; + table->ProgramEnvParameter4fARB = save_ProgramEnvParameter4fARB; + table->ProgramEnvParameter4fvARB = save_ProgramEnvParameter4fvARB; + table->ProgramLocalParameter4dARB = save_ProgramLocalParameter4dARB; + table->ProgramLocalParameter4dvARB = save_ProgramLocalParameter4dvARB; + table->ProgramLocalParameter4fARB = save_ProgramLocalParameter4fARB; + table->ProgramLocalParameter4fvARB = save_ProgramLocalParameter4fvARB; + table->GetProgramEnvParameterdvARB = _mesa_GetProgramEnvParameterdvARB; + table->GetProgramEnvParameterfvARB = _mesa_GetProgramEnvParameterfvARB; + table->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB; + table->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB; + table->GetProgramivARB = _mesa_GetProgramivARB; + table->GetProgramStringARB = _mesa_GetProgramStringARB; +#endif + + /* ARB 28. GL_ARB_vertex_buffer_object */ +#if FEATURE_ARB_vertex_buffer_object + /* None of the extension's functions get compiled */ + table->BindBufferARB = _mesa_BindBufferARB; + table->BufferDataARB = _mesa_BufferDataARB; + table->BufferSubDataARB = _mesa_BufferSubDataARB; + table->DeleteBuffersARB = _mesa_DeleteBuffersARB; + table->GenBuffersARB = _mesa_GenBuffersARB; + table->GetBufferParameterivARB = _mesa_GetBufferParameterivARB; + table->GetBufferPointervARB = _mesa_GetBufferPointervARB; + table->GetBufferSubDataARB = _mesa_GetBufferSubDataARB; + table->IsBufferARB = _mesa_IsBufferARB; + table->MapBufferARB = _mesa_MapBufferARB; + table->UnmapBufferARB = _mesa_UnmapBufferARB; +#endif + +#if FEATURE_ARB_occlusion_query + table->BeginQueryARB = save_BeginQueryARB; + table->EndQueryARB = save_EndQueryARB; + table->GenQueriesARB = _mesa_GenQueriesARB; + table->DeleteQueriesARB = _mesa_DeleteQueriesARB; + table->IsQueryARB = _mesa_IsQueryARB; + table->GetQueryivARB = _mesa_GetQueryivARB; + table->GetQueryObjectivARB = _mesa_GetQueryObjectivARB; + table->GetQueryObjectuivARB = _mesa_GetQueryObjectuivARB; +#endif + + /* 299. GL_EXT_blend_equation_separate */ + table->BlendEquationSeparateEXT = save_BlendEquationSeparateEXT; +} + + +#ifdef DEBUG +/*** + *** Debugging code + ***/ +static const char *enum_string( GLenum k ) +{ + return _mesa_lookup_enum_by_nr( k ); +} + +/* + * Print the commands in a display list. For debugging only. + * TODO: many commands aren't handled yet. + */ +static void GLAPIENTRY print_list( GLcontext *ctx, GLuint list ) +{ + Node *n; + GLboolean done; + + if (!GL_CALL(IsList)(list)) { + _mesa_printf("%u is not a display list ID\n", list); + return; + } + + n = (Node *) _mesa_HashLookup(ctx->Shared->DisplayList, list); + + _mesa_printf("START-LIST %u, address %p\n", list, (void*)n ); + + done = n ? GL_FALSE : GL_TRUE; + while (!done) { + OpCode opcode = n[0].opcode; + GLint i = (GLint) n[0].opcode - (GLint) OPCODE_EXT_0; + + if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) { + /* this is a driver-extended opcode */ + ctx->ListExt.Opcode[i].Print(ctx, &n[1]); + n += ctx->ListExt.Opcode[i].Size; + } + else { + switch (opcode) { + case OPCODE_ACCUM: + _mesa_printf("accum %s %g\n", enum_string(n[1].e), n[2].f ); + break; + case OPCODE_BITMAP: + _mesa_printf("Bitmap %d %d %g %g %g %g %p\n", n[1].i, n[2].i, + n[3].f, n[4].f, n[5].f, n[6].f, (void *) n[7].data ); + break; + case OPCODE_CALL_LIST: + _mesa_printf("CallList %d\n", (int) n[1].ui ); + break; + case OPCODE_CALL_LIST_OFFSET: + _mesa_printf("CallList %d + offset %u = %u\n", (int) n[1].ui, + ctx->List.ListBase, ctx->List.ListBase + n[1].ui ); + break; + case OPCODE_COLOR_TABLE_PARAMETER_FV: + _mesa_printf("ColorTableParameterfv %s %s %f %f %f %f\n", + enum_string(n[1].e), enum_string(n[2].e), + n[3].f, n[4].f, n[5].f, n[6].f); + break; + case OPCODE_COLOR_TABLE_PARAMETER_IV: + _mesa_printf("ColorTableParameteriv %s %s %d %d %d %d\n", + enum_string(n[1].e), enum_string(n[2].e), + n[3].i, n[4].i, n[5].i, n[6].i); + break; + case OPCODE_DISABLE: + _mesa_printf("Disable %s\n", enum_string(n[1].e)); + break; + case OPCODE_ENABLE: + _mesa_printf("Enable %s\n", enum_string(n[1].e)); + break; + case OPCODE_FRUSTUM: + _mesa_printf("Frustum %g %g %g %g %g %g\n", + n[1].f, n[2].f, n[3].f, n[4].f, n[5].f, n[6].f ); + break; + case OPCODE_LINE_STIPPLE: + _mesa_printf("LineStipple %d %x\n", n[1].i, (int) n[2].us ); + break; + case OPCODE_LOAD_IDENTITY: + _mesa_printf("LoadIdentity\n"); + break; + case OPCODE_LOAD_MATRIX: + _mesa_printf("LoadMatrix\n"); + _mesa_printf(" %8f %8f %8f %8f\n", + n[1].f, n[5].f, n[9].f, n[13].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[2].f, n[6].f, n[10].f, n[14].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[3].f, n[7].f, n[11].f, n[15].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[4].f, n[8].f, n[12].f, n[16].f); + break; + case OPCODE_MULT_MATRIX: + _mesa_printf("MultMatrix (or Rotate)\n"); + _mesa_printf(" %8f %8f %8f %8f\n", + n[1].f, n[5].f, n[9].f, n[13].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[2].f, n[6].f, n[10].f, n[14].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[3].f, n[7].f, n[11].f, n[15].f); + _mesa_printf(" %8f %8f %8f %8f\n", + n[4].f, n[8].f, n[12].f, n[16].f); + break; + case OPCODE_ORTHO: + _mesa_printf("Ortho %g %g %g %g %g %g\n", + n[1].f, n[2].f, n[3].f, n[4].f, n[5].f, n[6].f ); + break; + case OPCODE_POP_ATTRIB: + _mesa_printf("PopAttrib\n"); + break; + case OPCODE_POP_MATRIX: + _mesa_printf("PopMatrix\n"); + break; + case OPCODE_POP_NAME: + _mesa_printf("PopName\n"); + break; + case OPCODE_PUSH_ATTRIB: + _mesa_printf("PushAttrib %x\n", n[1].bf ); + break; + case OPCODE_PUSH_MATRIX: + _mesa_printf("PushMatrix\n"); + break; + case OPCODE_PUSH_NAME: + _mesa_printf("PushName %d\n", (int) n[1].ui ); + break; + case OPCODE_RASTER_POS: + _mesa_printf("RasterPos %g %g %g %g\n", + n[1].f, n[2].f,n[3].f,n[4].f); + break; + case OPCODE_ROTATE: + _mesa_printf("Rotate %g %g %g %g\n", + n[1].f, n[2].f, n[3].f, n[4].f ); + break; + case OPCODE_SCALE: + _mesa_printf("Scale %g %g %g\n", n[1].f, n[2].f, n[3].f ); + break; + case OPCODE_TRANSLATE: + _mesa_printf("Translate %g %g %g\n", n[1].f, n[2].f, n[3].f ); + break; + case OPCODE_BIND_TEXTURE: + _mesa_printf("BindTexture %s %d\n", + _mesa_lookup_enum_by_nr(n[1].ui), n[2].ui); + break; + case OPCODE_SHADE_MODEL: + _mesa_printf("ShadeModel %s\n", + _mesa_lookup_enum_by_nr(n[1].ui)); + break; + case OPCODE_MAP1: + _mesa_printf("Map1 %s %.3f %.3f %d %d\n", + _mesa_lookup_enum_by_nr(n[1].ui), + n[2].f, n[3].f, n[4].i, n[5].i); + break; + case OPCODE_MAP2: + _mesa_printf("Map2 %s %.3f %.3f %.3f %.3f %d %d %d %d\n", + _mesa_lookup_enum_by_nr(n[1].ui), + n[2].f, n[3].f, n[4].f, n[5].f, + n[6].i, n[7].i, n[8].i, n[9].i); + break; + case OPCODE_MAPGRID1: + _mesa_printf("MapGrid1 %d %.3f %.3f\n", + n[1].i, n[2].f, n[3].f); + break; + case OPCODE_MAPGRID2: + _mesa_printf("MapGrid2 %d %.3f %.3f, %d %.3f %.3f\n", + n[1].i, n[2].f, n[3].f, + n[4].i, n[5].f, n[6].f); + break; + case OPCODE_EVALMESH1: + _mesa_printf("EvalMesh1 %d %d\n", n[1].i, n[2].i); + break; + case OPCODE_EVALMESH2: + _mesa_printf("EvalMesh2 %d %d %d %d\n", + n[1].i, n[2].i, n[3].i, n[4].i); + break; + + + + case OPCODE_ATTR_1F: + _mesa_printf("ATTR_1F attr %d: %f\n", + n[1].i, n[2].f); + break; + case OPCODE_ATTR_2F: + _mesa_printf("ATTR_2F attr %d: %f %f\n", + n[1].i, n[2].f, n[3].f); + break; + case OPCODE_ATTR_3F: + _mesa_printf("ATTR_3F attr %d: %f %f %f\n", + n[1].i, n[2].f, n[3].f, n[4].f); + break; + case OPCODE_ATTR_4F: + _mesa_printf("ATTR_4F attr %d: %f %f %f %f\n", + n[1].i, n[2].f, n[3].f, n[4].f, n[5].f); + break; + case OPCODE_MATERIAL: + _mesa_printf("MATERIAL %x %x: %f %f %f %f\n", + n[1].i, n[2].i, n[3].f, n[4].f, n[5].f, n[6].f); + break; + case OPCODE_INDEX: + _mesa_printf("INDEX: %f\n", n[1].f); + break; + case OPCODE_EDGEFLAG: + _mesa_printf("EDGEFLAG: %d\n", n[1].i); + break; + case OPCODE_BEGIN: + _mesa_printf("BEGIN %x\n", n[1].i); + break; + case OPCODE_END: + _mesa_printf("END\n"); + break; + case OPCODE_RECTF: + _mesa_printf("RECTF %f %f %f %f\n", n[1].f, n[2].f, n[3].f, n[4].f); + break; + case OPCODE_EVAL_C1: + _mesa_printf("EVAL_C1 %f\n", n[1].f); + break; + case OPCODE_EVAL_C2: + _mesa_printf("EVAL_C2 %f %f\n", n[1].f, n[2].f); + break; + case OPCODE_EVAL_P1: + _mesa_printf("EVAL_P1 %d\n", n[1].i); + break; + case OPCODE_EVAL_P2: + _mesa_printf("EVAL_P2 %d %d\n", n[1].i, n[2].i); + break; + + + + /* + * meta opcodes/commands + */ + case OPCODE_ERROR: + _mesa_printf("Error: %s %s\n", + enum_string(n[1].e), (const char *)n[2].data ); + break; + case OPCODE_CONTINUE: + _mesa_printf("DISPLAY-LIST-CONTINUE\n"); + n = (Node *) n[1].next; + break; + case OPCODE_END_OF_LIST: + _mesa_printf("END-LIST %u\n", list); + done = GL_TRUE; + break; + default: + if (opcode < 0 || opcode > OPCODE_END_OF_LIST) { + _mesa_printf("ERROR IN DISPLAY LIST: opcode = %d, address = %p\n", + opcode, (void*) n); + return; + } + else { + _mesa_printf("command %d, %u operands\n", opcode, InstSize[opcode]); + } + } + /* increment n to point to next compiled command */ + if (opcode!=OPCODE_CONTINUE) { + n += InstSize[opcode]; + } + } + } +} + + +/* + * Clients may call this function to help debug display list problems. + * This function is _ONLY_FOR_DEBUGGING_PURPOSES_. It may be removed, + * changed, or break in the future without notice. + */ +void mesa_print_display_list( GLuint list ) +{ + GET_CURRENT_CONTEXT(ctx); + print_list( ctx, list ); +} +#endif + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + + +void _mesa_save_vtxfmt_init( GLvertexformat *vfmt ) +{ + vfmt->ArrayElement = _ae_loopback_array_elt; /* generic helper */ + vfmt->Begin = save_Begin; + vfmt->CallList = _mesa_save_CallList; + vfmt->CallLists = _mesa_save_CallLists; + vfmt->Color3f = save_Color3f; + vfmt->Color3fv = save_Color3fv; + vfmt->Color4f = save_Color4f; + vfmt->Color4fv = save_Color4fv; + vfmt->EdgeFlag = save_EdgeFlag; + vfmt->EdgeFlagv = save_EdgeFlagv; + vfmt->End = save_End; + vfmt->EvalCoord1f = save_EvalCoord1f; + vfmt->EvalCoord1fv = save_EvalCoord1fv; + vfmt->EvalCoord2f = save_EvalCoord2f; + vfmt->EvalCoord2fv = save_EvalCoord2fv; + vfmt->EvalPoint1 = save_EvalPoint1; + vfmt->EvalPoint2 = save_EvalPoint2; + vfmt->FogCoordfEXT = save_FogCoordfEXT; + vfmt->FogCoordfvEXT = save_FogCoordfvEXT; + vfmt->Indexf = save_Indexf; + vfmt->Indexfv = save_Indexfv; + vfmt->Materialfv = save_Materialfv; + vfmt->MultiTexCoord1fARB = save_MultiTexCoord1f; + vfmt->MultiTexCoord1fvARB = save_MultiTexCoord1fv; + vfmt->MultiTexCoord2fARB = save_MultiTexCoord2f; + vfmt->MultiTexCoord2fvARB = save_MultiTexCoord2fv; + vfmt->MultiTexCoord3fARB = save_MultiTexCoord3f; + vfmt->MultiTexCoord3fvARB = save_MultiTexCoord3fv; + vfmt->MultiTexCoord4fARB = save_MultiTexCoord4f; + vfmt->MultiTexCoord4fvARB = save_MultiTexCoord4fv; + vfmt->Normal3f = save_Normal3f; + vfmt->Normal3fv = save_Normal3fv; + vfmt->SecondaryColor3fEXT = save_SecondaryColor3fEXT; + vfmt->SecondaryColor3fvEXT = save_SecondaryColor3fvEXT; + vfmt->TexCoord1f = save_TexCoord1f; + vfmt->TexCoord1fv = save_TexCoord1fv; + vfmt->TexCoord2f = save_TexCoord2f; + vfmt->TexCoord2fv = save_TexCoord2fv; + vfmt->TexCoord3f = save_TexCoord3f; + vfmt->TexCoord3fv = save_TexCoord3fv; + vfmt->TexCoord4f = save_TexCoord4f; + vfmt->TexCoord4fv = save_TexCoord4fv; + vfmt->Vertex2f = save_Vertex2f; + vfmt->Vertex2fv = save_Vertex2fv; + vfmt->Vertex3f = save_Vertex3f; + vfmt->Vertex3fv = save_Vertex3fv; + vfmt->Vertex4f = save_Vertex4f; + vfmt->Vertex4fv = save_Vertex4fv; + vfmt->VertexAttrib1fNV = save_VertexAttrib1fNV; + vfmt->VertexAttrib1fvNV = save_VertexAttrib1fvNV; + vfmt->VertexAttrib2fNV = save_VertexAttrib2fNV; + vfmt->VertexAttrib2fvNV = save_VertexAttrib2fvNV; + vfmt->VertexAttrib3fNV = save_VertexAttrib3fNV; + vfmt->VertexAttrib3fvNV = save_VertexAttrib3fvNV; + vfmt->VertexAttrib4fNV = save_VertexAttrib4fNV; + vfmt->VertexAttrib4fvNV = save_VertexAttrib4fvNV; + + vfmt->EvalMesh1 = _mesa_save_EvalMesh1; + vfmt->EvalMesh2 = _mesa_save_EvalMesh2; + vfmt->Rectf = save_Rectf; + + /* The driver is required to implement these as + * 1) They can probably do a better job. + * 2) A lot of new mechanisms would have to be added to this module + * to support it. That code would probably never get used, + * because of (1). + */ +#if 0 + vfmt->DrawArrays = 0; + vfmt->DrawElements = 0; + vfmt->DrawRangeElements = 0; +#endif +} + + + +void _mesa_init_display_list( GLcontext * ctx ) +{ + /* Display list */ + ctx->ListState.CallDepth = 0; + ctx->ExecuteFlag = GL_TRUE; + ctx->CompileFlag = GL_FALSE; + ctx->ListState.CurrentListPtr = NULL; + ctx->ListState.CurrentBlock = NULL; + ctx->ListState.CurrentListNum = 0; + ctx->ListState.CurrentPos = 0; + + /* Display List group */ + ctx->List.ListBase = 0; + + _mesa_save_vtxfmt_init( &ctx->ListState.ListVtxfmt ); +} diff --git a/src/mesa/main/dlist.h b/src/mesa/main/dlist.h new file mode 100644 index 0000000..6245713 --- /dev/null +++ b/src/mesa/main/dlist.h @@ -0,0 +1,104 @@ +/** + * \file dlist.h + * Display lists management. + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef DLIST_H +#define DLIST_H + + +#include "mtypes.h" + + +#if _HAVE_FULL_GL + +extern void _mesa_init_lists( void ); + +extern void _mesa_destroy_list( GLcontext *ctx, GLuint list ); + +extern void GLAPIENTRY _mesa_CallList( GLuint list ); + +extern void GLAPIENTRY _mesa_CallLists( GLsizei n, GLenum type, const GLvoid *lists ); + +extern void GLAPIENTRY _mesa_DeleteLists( GLuint list, GLsizei range ); + +extern void GLAPIENTRY _mesa_EndList( void ); + +extern GLuint GLAPIENTRY _mesa_GenLists( GLsizei range ); + +extern GLboolean GLAPIENTRY _mesa_IsList( GLuint list ); + +extern void GLAPIENTRY _mesa_ListBase( GLuint base ); + +extern void GLAPIENTRY _mesa_NewList( GLuint list, GLenum mode ); + +extern void _mesa_init_dlist_table( struct _glapi_table *table, + GLuint tableSize ); + +extern void _mesa_save_error( GLcontext *ctx, GLenum error, const char *s ); + +extern void _mesa_compile_error( GLcontext *ctx, GLenum error, const char *s ); + + +extern void *_mesa_alloc_instruction( GLcontext *ctx, int opcode, GLint sz ); + +extern GLint _mesa_alloc_opcode( GLcontext *ctx, GLuint sz, + void (*execute)( GLcontext *, void * ), + void (*destroy)( GLcontext *, void * ), + void (*print)( GLcontext *, void * ) ); + +extern void GLAPIENTRY _mesa_save_EvalMesh2(GLenum mode, GLint i1, GLint i2, + GLint j1, GLint j2 ); +extern void GLAPIENTRY _mesa_save_EvalMesh1( GLenum mode, GLint i1, GLint i2 ); +extern void GLAPIENTRY _mesa_save_CallLists( GLsizei n, GLenum type, const GLvoid *lists ); +extern void GLAPIENTRY _mesa_save_CallList( GLuint list ); +extern void _mesa_init_display_list( GLcontext * ctx ); +extern void _mesa_save_vtxfmt_init( GLvertexformat *vfmt ); + + +#else + +/** No-op */ +#define _mesa_init_lists() ((void)0) + +/** No-op */ +#define _mesa_destroy_list(c,l) ((void)0) + +/** No-op */ +#define _mesa_init_dlist_table(t,ts) ((void)0) + +/** No-op */ +#define _mesa_init_display_list(c) ((void)0) + +/** No-op */ +#define _mesa_save_vtxfmt_init(v) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c new file mode 100644 index 0000000..6f7cae9 --- /dev/null +++ b/src/mesa/main/drawpix.c @@ -0,0 +1,298 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "context.h" +#include "drawpix.h" +#include "feedback.h" +#include "macros.h" +#include "state.h" +#include "mtypes.h" + + +#if _HAVE_FULL_GL + +/* + * Execute glDrawPixels + */ +void GLAPIENTRY +_mesa_DrawPixels( GLsizei width, GLsizei height, + GLenum format, GLenum type, const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawPixels (invalid fragment program)"); + return; + } + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0" ); + return; + } + + if (ctx->RenderMode==GL_RENDER) { + GLint x, y; + if (!ctx->Current.RasterPosValid) { + return; + } + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + /* Round, to satisfy conformance tests (matches SGI's OpenGL) */ + x = IROUND(ctx->Current.RasterPos[0]); + y = IROUND(ctx->Current.RasterPos[1]); + + ctx->OcclusionResult = GL_TRUE; + ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type, + &ctx->Unpack, pixels); + } + else if (ctx->RenderMode==GL_FEEDBACK) { + /* Feedback the current raster pos info */ + if (ctx->Current.RasterPosValid) { + FLUSH_CURRENT( ctx, 0 ); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN ); + _mesa_feedback_vertex( ctx, + ctx->Current.RasterPos, + ctx->Current.RasterColor, + ctx->Current.RasterIndex, + ctx->Current.RasterTexCoords[0] ); + } + } + else if (ctx->RenderMode==GL_SELECT) { + if (ctx->Current.RasterPosValid) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } + } +} + + +void GLAPIENTRY +_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height, + GLenum type ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint destx, desty; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyPixels (invalid fragment program)"); + return; + } + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)" ); + return; + } + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + if (ctx->RenderMode==GL_RENDER) { + /* Destination of copy: */ + if (!ctx->Current.RasterPosValid) { + return; + } + + /* Round, to satisfy conformance tests (matches SGI's OpenGL) */ + destx = IROUND(ctx->Current.RasterPos[0]); + desty = IROUND(ctx->Current.RasterPos[1]); + + ctx->OcclusionResult = GL_TRUE; + + ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty, + type ); + } + else if (ctx->RenderMode == GL_FEEDBACK) { + if (ctx->Current.RasterPosValid) { + FLUSH_CURRENT( ctx, 0 ); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN ); + _mesa_feedback_vertex( ctx, + ctx->Current.RasterPos, + ctx->Current.RasterColor, + ctx->Current.RasterIndex, + ctx->Current.RasterTexCoords[0] ); + } + } + else if (ctx->RenderMode == GL_SELECT) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } +} + +#endif /* _HAVE_FULL_GL */ + + + +void GLAPIENTRY +_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glReadPixels(width=%d height=%d)", width, height ); + return; + } + + if (ctx->NewState) + _mesa_update_state(ctx); + + ctx->Driver.ReadPixels(ctx, x, y, width, height, + format, type, &ctx->Pack, pixels); +} + + + +void GLAPIENTRY +_mesa_Bitmap( GLsizei width, GLsizei height, + GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove, + const GLubyte *bitmap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBitmap (invalid fragment program)"); + return; + } + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" ); + return; + } + + if (ctx->Current.RasterPosValid == GL_FALSE) { + return; /* do nothing */ + } + + if (ctx->RenderMode==GL_RENDER) { + /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */ + GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig); + GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig); + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + ctx->OcclusionResult = GL_TRUE; + ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap ); + } +#if _HAVE_FULL_GL + else if (ctx->RenderMode==GL_FEEDBACK) { + if (ctx->Current.RasterPosValid) { + FLUSH_CURRENT(ctx, 0); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN ); + _mesa_feedback_vertex( ctx, + ctx->Current.RasterPos, + ctx->Current.RasterColor, + ctx->Current.RasterIndex, + ctx->Current.RasterTexCoords[0] ); + } + } + else { + ASSERT(ctx->RenderMode == GL_SELECT); + /* Bitmaps don't generate selection hits. See appendix B of 1.1 spec. */ + } +#endif + + /* update raster position */ + ctx->Current.RasterPos[0] += xmove; + ctx->Current.RasterPos[1] += ymove; +} + + + +#if 0 /* experimental */ +/* + * Execute glDrawDepthPixelsMESA(). This function accepts both a color + * image and depth (Z) image. Rasterization produces fragments with + * color and Z taken from these images. This function is intended for + * Z-compositing. Normally, this operation requires two glDrawPixels + * calls with stencil testing. + */ +void GLAPIENTRY +_mesa_DrawDepthPixelsMESA( GLsizei width, GLsizei height, + GLenum colorFormat, GLenum colorType, + const GLvoid *colors, + GLenum depthType, const GLvoid *depths ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glDrawDepthPixelsMESA(width or height < 0" ); + return; + } + + if (ctx->RenderMode==GL_RENDER) { + GLint x, y; + if (!colors || !depths || !ctx->Current.RasterPosValid) { + return; + } + + if (ctx->NewState) { + _mesa_update_state(ctx); + } + + /* Round, to satisfy conformance tests (matches SGI's OpenGL) */ + x = IROUND(ctx->Current.RasterPos[0]); + y = IROUND(ctx->Current.RasterPos[1]); + + ctx->OcclusionResult = GL_TRUE; + ctx->Driver.DrawDepthPixelsMESA(ctx, x, y, width, height, + colorFormat, colorType, colors, + depthType, depths, &ctx->Unpack); + } + else if (ctx->RenderMode==GL_FEEDBACK) { + /* Feedback the current raster pos info */ + if (ctx->Current.RasterPosValid) { + FLUSH_CURRENT( ctx, 0 ); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN ); + _mesa_feedback_vertex( ctx, + ctx->Current.RasterPos, + ctx->Current.RasterColor, + ctx->Current.RasterIndex, + ctx->Current.RasterTexCoords[0] ); + } + } + else if (ctx->RenderMode==GL_SELECT) { + if (ctx->Current.RasterPosValid) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } + } +} + +#endif diff --git a/src/mesa/main/drawpix.h b/src/mesa/main/drawpix.h new file mode 100644 index 0000000..2a2d7de --- /dev/null +++ b/src/mesa/main/drawpix.h @@ -0,0 +1,55 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef DRAWPIXELS_H +#define DRAWPIXELS_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_DrawPixels( GLsizei width, GLsizei height, + GLenum format, GLenum type, const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height, + GLenum type ); + + +extern void GLAPIENTRY +_mesa_Bitmap( GLsizei width, GLsizei height, + GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove, + const GLubyte *bitmap ); + + +#endif diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c new file mode 100644 index 0000000..6076a58 --- /dev/null +++ b/src/mesa/main/enable.c @@ -0,0 +1,1433 @@ +/** + * \file enable.c + * Enable/disable/query GL capabilities. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "context.h" +#include "enable.h" +#include "light.h" +#include "macros.h" +#include "simple_list.h" +#include "mtypes.h" +#include "enums.h" +#include "math/m_matrix.h" +#include "math/m_xform.h" + + + +#define CHECK_EXTENSION(EXTNAME, CAP) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + + +static void +client_state( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + GLuint flag; + GLuint *var; + + switch (cap) { + case GL_VERTEX_ARRAY: + var = &ctx->Array.Vertex.Enabled; + flag = _NEW_ARRAY_VERTEX; + break; + case GL_NORMAL_ARRAY: + var = &ctx->Array.Normal.Enabled; + flag = _NEW_ARRAY_NORMAL; + break; + case GL_COLOR_ARRAY: + var = &ctx->Array.Color.Enabled; + flag = _NEW_ARRAY_COLOR0; + break; + case GL_INDEX_ARRAY: + var = &ctx->Array.Index.Enabled; + flag = _NEW_ARRAY_INDEX; + break; + case GL_TEXTURE_COORD_ARRAY: + var = &ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled; + flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture); + break; + case GL_EDGE_FLAG_ARRAY: + var = &ctx->Array.EdgeFlag.Enabled; + flag = _NEW_ARRAY_EDGEFLAG; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + var = &ctx->Array.FogCoord.Enabled; + flag = _NEW_ARRAY_FOGCOORD; + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + var = &ctx->Array.SecondaryColor.Enabled; + flag = _NEW_ARRAY_COLOR1; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV; + var = &ctx->Array.VertexAttrib[n].Enabled; + flag = _NEW_ARRAY_ATTRIB(n); + } + break; +#endif /* FEATURE_NV_vertex_program */ + + default: + _mesa_error( ctx, GL_INVALID_ENUM, + "glEnable/DisableClientState(0x%x)", cap); + return; + } + + if (*var == state) + return; + + FLUSH_VERTICES(ctx, _NEW_ARRAY); + ctx->Array.NewState |= flag; + *var = state; + + if (state) + ctx->Array._Enabled |= flag; + else + ctx->Array._Enabled &= ~flag; + + if (ctx->Driver.Enable) { + (*ctx->Driver.Enable)( ctx, cap, state ); + } +} + + +/** + * Enable GL capability. + * + * \param cap capability. + * + * \sa glEnable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls client_state(). + */ +void GLAPIENTRY +_mesa_EnableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + client_state( ctx, cap, GL_TRUE ); +} + + +/** + * Disable GL capability. + * + * \param cap capability. + * + * \sa glDisable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls client_state(). + */ +void GLAPIENTRY +_mesa_DisableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + client_state( ctx, cap, GL_FALSE ); +} + + +#undef CHECK_EXTENSION +#define CHECK_EXTENSION(EXTNAME, CAP) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + +#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \ + if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + + + +/** + * Perform glEnable() and glDisable() calls. + * + * \param ctx GL context. + * \param cap capability. + * \param state whether to enable or disable the specified capability. + * + * Updates the current context and flushes the vertices as needed. For + * capabilities associated with extensions it verifies that those extensions + * are effectivly present before updating. Notifies the driver via + * dd_function_table::Enable. + */ +void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "%s %s (newstate is %x)\n", + state ? "glEnable" : "glDisable", + _mesa_lookup_enum_by_nr(cap), + ctx->NewState); + + switch (cap) { + case GL_ALPHA_TEST: + if (ctx->Color.AlphaEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.AlphaEnabled = state; + break; + case GL_AUTO_NORMAL: + if (ctx->Eval.AutoNormal == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.AutoNormal = state; + break; + case GL_BLEND: + if (ctx->Color.BlendEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.BlendEnabled = state; + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. + */ + ctx->Color._LogicOpEnabled = + (ctx->Color.ColorLogicOpEnabled || + (state && ctx->Color.BlendEquationRGB == GL_LOGIC_OP)); + break; +#if FEATURE_userclip + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + { + const GLuint p = cap - GL_CLIP_PLANE0; + + if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == ((GLuint) state << p)) + return; + + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + + if (state) { + ctx->Transform.ClipPlanesEnabled |= (1 << p); + + if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + /* This derived state also calculated in clip.c and + * from _mesa_update_state() on changes to EyeUserPlane + * and ctx->ProjectionMatrix respectively. + */ + _mesa_transform_vector( ctx->Transform._ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrixStack.Top->inv ); + } + else { + ctx->Transform.ClipPlanesEnabled &= ~(1 << p); + } + } + break; +#endif + case GL_COLOR_MATERIAL: + if (ctx->Light.ColorMaterialEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + FLUSH_CURRENT(ctx, 0); + ctx->Light.ColorMaterialEnabled = state; + if (state) { + _mesa_update_color_material( ctx, + ctx->Current.Attrib[VERT_ATTRIB_COLOR0] ); + } + break; + case GL_CULL_FACE: + if (ctx->Polygon.CullFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.CullFlag = state; + break; + + case GL_CULL_VERTEX_EXT: + CHECK_EXTENSION(EXT_cull_vertex, cap); + if (ctx->Transform.CullVertexFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.CullVertexFlag = state; + break; + + case GL_DEPTH_TEST: + if (state && ctx->Visual.depthBits==0) { + _mesa_warning(ctx,"glEnable(GL_DEPTH_TEST) but no depth buffer"); + return; + } + if (ctx->Depth.Test==state) + return; + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.Test = state; + break; + case GL_DITHER: + if (ctx->NoDither) { + state = GL_FALSE; /* MESA_NO_DITHER env var */ + } + if (ctx->Color.DitherFlag==state) + return; + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.DitherFlag = state; + break; + case GL_FOG: + if (ctx->Fog.Enabled==state) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Enabled = state; + break; + case GL_HISTOGRAM: + CHECK_EXTENSION(EXT_histogram, cap); + if (ctx->Pixel.HistogramEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.HistogramEnabled = state; + break; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + if (ctx->Light.Light[cap-GL_LIGHT0].Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.Light[cap-GL_LIGHT0].Enabled = state; + if (state) { + insert_at_tail(&ctx->Light.EnabledList, + &ctx->Light.Light[cap-GL_LIGHT0]); + } + else { + remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]); + } + break; + case GL_LIGHTING: + if (ctx->Light.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.Enabled = state; + + if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) + ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE; + else + ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE; + + break; + case GL_LINE_SMOOTH: + if (ctx->Line.SmoothFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_LINE); + ctx->Line.SmoothFlag = state; + ctx->_TriangleCaps ^= DD_LINE_SMOOTH; + break; + case GL_LINE_STIPPLE: + if (ctx->Line.StippleFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_LINE); + ctx->Line.StippleFlag = state; + ctx->_TriangleCaps ^= DD_LINE_STIPPLE; + break; + case GL_INDEX_LOGIC_OP: + if (ctx->Color.IndexLogicOpEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.IndexLogicOpEnabled = state; + break; + case GL_COLOR_LOGIC_OP: + if (ctx->Color.ColorLogicOpEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.ColorLogicOpEnabled = state; + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. + */ + ctx->Color._LogicOpEnabled = + (state || (ctx->Color.BlendEnabled && + ctx->Color.BlendEquationRGB == GL_LOGIC_OP)); + break; + case GL_MAP1_COLOR_4: + if (ctx->Eval.Map1Color4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Color4 = state; + break; + case GL_MAP1_INDEX: + if (ctx->Eval.Map1Index == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Index = state; + break; + case GL_MAP1_NORMAL: + if (ctx->Eval.Map1Normal == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Normal = state; + break; + case GL_MAP1_TEXTURE_COORD_1: + if (ctx->Eval.Map1TextureCoord1 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1TextureCoord1 = state; + break; + case GL_MAP1_TEXTURE_COORD_2: + if (ctx->Eval.Map1TextureCoord2 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1TextureCoord2 = state; + break; + case GL_MAP1_TEXTURE_COORD_3: + if (ctx->Eval.Map1TextureCoord3 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1TextureCoord3 = state; + break; + case GL_MAP1_TEXTURE_COORD_4: + if (ctx->Eval.Map1TextureCoord4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1TextureCoord4 = state; + break; + case GL_MAP1_VERTEX_3: + if (ctx->Eval.Map1Vertex3 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Vertex3 = state; + break; + case GL_MAP1_VERTEX_4: + if (ctx->Eval.Map1Vertex4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Vertex4 = state; + break; + case GL_MAP2_COLOR_4: + if (ctx->Eval.Map2Color4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Color4 = state; + break; + case GL_MAP2_INDEX: + if (ctx->Eval.Map2Index == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Index = state; + break; + case GL_MAP2_NORMAL: + if (ctx->Eval.Map2Normal == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Normal = state; + break; + case GL_MAP2_TEXTURE_COORD_1: + if (ctx->Eval.Map2TextureCoord1 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2TextureCoord1 = state; + break; + case GL_MAP2_TEXTURE_COORD_2: + if (ctx->Eval.Map2TextureCoord2 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2TextureCoord2 = state; + break; + case GL_MAP2_TEXTURE_COORD_3: + if (ctx->Eval.Map2TextureCoord3 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2TextureCoord3 = state; + break; + case GL_MAP2_TEXTURE_COORD_4: + if (ctx->Eval.Map2TextureCoord4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2TextureCoord4 = state; + break; + case GL_MAP2_VERTEX_3: + if (ctx->Eval.Map2Vertex3 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Vertex3 = state; + break; + case GL_MAP2_VERTEX_4: + if (ctx->Eval.Map2Vertex4 == state) + return; + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Vertex4 = state; + break; + case GL_MINMAX: + if (ctx->Pixel.MinMaxEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.MinMaxEnabled = state; + break; + case GL_NORMALIZE: + if (ctx->Transform.Normalize == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.Normalize = state; + break; + case GL_POINT_SMOOTH: + if (ctx->Point.SmoothFlag==state) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.SmoothFlag = state; + ctx->_TriangleCaps ^= DD_POINT_SMOOTH; + break; + case GL_POLYGON_SMOOTH: + if (ctx->Polygon.SmoothFlag==state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.SmoothFlag = state; + ctx->_TriangleCaps ^= DD_TRI_SMOOTH; + break; + case GL_POLYGON_STIPPLE: + if (ctx->Polygon.StippleFlag==state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.StippleFlag = state; + ctx->_TriangleCaps ^= DD_TRI_STIPPLE; + break; + case GL_POLYGON_OFFSET_POINT: + if (ctx->Polygon.OffsetPoint==state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.OffsetPoint = state; + break; + case GL_POLYGON_OFFSET_LINE: + if (ctx->Polygon.OffsetLine==state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.OffsetLine = state; + break; + case GL_POLYGON_OFFSET_FILL: + /*case GL_POLYGON_OFFSET_EXT:*/ + if (ctx->Polygon.OffsetFill==state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.OffsetFill = state; + break; + case GL_RESCALE_NORMAL_EXT: + if (ctx->Transform.RescaleNormals == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.RescaleNormals = state; + break; + case GL_SCISSOR_TEST: + if (ctx->Scissor.Enabled==state) + return; + FLUSH_VERTICES(ctx, _NEW_SCISSOR); + ctx->Scissor.Enabled = state; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + if (ctx->Texture.SharedPalette == state) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + ctx->Texture.SharedPalette = state; + break; + case GL_STENCIL_TEST: + if (state && ctx->Visual.stencilBits==0) { + _mesa_warning(ctx, + "glEnable(GL_STENCIL_TEST) but no stencil buffer"); + return; + } + if (ctx->Stencil.Enabled==state) + return; + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.Enabled = state; + break; + case GL_TEXTURE_1D: { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_1D_BIT; + if (state) + newenabled |= TEXTURE_1D_BIT; + if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + break; + } + case GL_TEXTURE_2D: { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_2D_BIT; + if (state) + newenabled |= TEXTURE_2D_BIT; + if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + break; + } + case GL_TEXTURE_3D: { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_3D_BIT; + if (state) + newenabled |= TEXTURE_3D_BIT; + if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + break; + } + case GL_TEXTURE_GEN_Q: { + GLuint unit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT; + if (state) + newenabled |= Q_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + break; + } + case GL_TEXTURE_GEN_R: { + GLuint unit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT; + if (state) + newenabled |= R_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + break; + } + case GL_TEXTURE_GEN_S: { + GLuint unit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT; + if (state) + newenabled |= S_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + break; + } + case GL_TEXTURE_GEN_T: { + GLuint unit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT; + if (state) + newenabled |= T_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + break; + } + + /* + * CLIENT STATE!!! + */ + case GL_VERTEX_ARRAY: + case GL_NORMAL_ARRAY: + case GL_COLOR_ARRAY: + case GL_INDEX_ARRAY: + case GL_TEXTURE_COORD_ARRAY: + case GL_EDGE_FLAG_ARRAY: + case GL_FOG_COORDINATE_ARRAY_EXT: + case GL_SECONDARY_COLOR_ARRAY_EXT: + client_state( ctx, cap, state ); + return; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION(HP_occlusion_test, cap); + if (ctx->Depth.OcclusionTest == state) + return; + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.OcclusionTest = state; + if (state) + ctx->OcclusionResult = ctx->OcclusionResultSaved; + else + ctx->OcclusionResultSaved = ctx->OcclusionResult; + break; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + CHECK_EXTENSION(SGIS_pixel_texture, cap); + if (ctx->Pixel.PixelTextureEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PixelTextureEnabled = state; + break; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + CHECK_EXTENSION(SGIX_pixel_texture, cap); + if (ctx->Pixel.PixelTextureEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PixelTextureEnabled = state; + break; + + /* GL_SGI_color_table */ + case GL_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.ColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.ColorTableEnabled = state; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.PostConvolutionColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionColorTableEnabled = state; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.PostColorMatrixColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixColorTableEnabled = state; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_texture_color_table, cap); + if (ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled = state; + break; + + /* GL_EXT_convolution */ + case GL_CONVOLUTION_1D: + CHECK_EXTENSION(EXT_convolution, cap); + if (ctx->Pixel.Convolution1DEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.Convolution1DEnabled = state; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION(EXT_convolution, cap); + if (ctx->Pixel.Convolution2DEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.Convolution2DEnabled = state; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION(EXT_convolution, cap); + if (ctx->Pixel.Separable2DEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.Separable2DEnabled = state; + break; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_CUBE_BIT; + CHECK_EXTENSION(ARB_texture_cube_map, cap); + if (state) + newenabled |= TEXTURE_CUBE_BIT; + if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + } + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION(EXT_secondary_color, cap); + if (ctx->Fog.ColorSumEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.ColorSumEnabled = state; + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.Enabled = state; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleAlphaToCoverage == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleAlphaToCoverage = state; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleAlphaToOne == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleAlphaToOne = state; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleCoverage == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleCoverage = state; + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleCoverageInvert == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleCoverageInvert = state; + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION(IBM_rasterpos_clip, cap); + if (ctx->Transform.RasterPositionUnclipped == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.RasterPositionUnclipped = state; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite, cap); + if (ctx->Point.PointSprite == state) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.PointSprite = state; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION2(NV_vertex_program, ARB_vertex_program, cap); + if (ctx->VertexProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.Enabled = state; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION2(NV_vertex_program, ARB_vertex_program, cap); + if (ctx->VertexProgram.PointSizeEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.PointSizeEnabled = state; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION2(NV_vertex_program, ARB_vertex_program, cap); + if (ctx->VertexProgram.TwoSideEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.TwoSideEnabled = state; + break; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV); + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Attrib[map] = state; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV); + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Attrib[map] = state; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION(NV_fragment_program, cap); + if (ctx->FragmentProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->FragmentProgram.Enabled = state; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION(NV_texture_rectangle, cap); + { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_RECT_BIT; + CHECK_EXTENSION(NV_texture_rectangle, cap); + if (state) + newenabled |= TEXTURE_RECT_BIT; + if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + } + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION(EXT_stencil_two_side, cap); + if (ctx->Stencil.TestTwoSide == state) + return; + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.TestTwoSide = state; + break; + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION(ARB_fragment_program, cap); + if (ctx->FragmentProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->FragmentProgram.Enabled = state; + break; +#endif /* FEATURE_ARB_fragment_program */ + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION(EXT_depth_bounds_test, cap); + if (state && ctx->Visual.depthBits==0) { + _mesa_warning(ctx, + "glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer"); + return; + } + if (ctx->Depth.BoundsTest == state) + return; + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.BoundsTest = state; + break; + + /* GL_MESA_program_debug */ + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug, cap); + ctx->FragmentProgram.CallbackEnabled = state; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug, cap); + ctx->VertexProgram.CallbackEnabled = state; + break; + + default: + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(0x%x)", state ? "glEnable" : "glDisable", cap); + return; + } + + if (ctx->Driver.Enable) { + (*ctx->Driver.Enable)( ctx, cap, state ); + } +} + + +/** + * Enable GL capability. + * + * \param cap capability. + * + * \sa glEnable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls _mesa_set_enable(). + */ +void GLAPIENTRY +_mesa_Enable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + _mesa_set_enable( ctx, cap, GL_TRUE ); +} + + +/** + * Disable GL capability. + * + * \param cap capability. + * + * \sa glDisable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls _mesa_set_enable(). + */ +void GLAPIENTRY +_mesa_Disable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + _mesa_set_enable( ctx, cap, GL_FALSE ); +} + + +#undef CHECK_EXTENSION +#define CHECK_EXTENSION(EXTNAME) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \ + return GL_FALSE; \ + } + + +/** + * Test whether a capability is enabled. + * + * \param cap capability. + * + * Returns the state of the specified capability from the current GL context. + * For the capabilities associated with extensions verifies that those + * extensions are effectively present before reporting. + */ +GLboolean GLAPIENTRY +_mesa_IsEnabled( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + switch (cap) { + case GL_ALPHA_TEST: + return ctx->Color.AlphaEnabled; + case GL_AUTO_NORMAL: + return ctx->Eval.AutoNormal; + case GL_BLEND: + return ctx->Color.BlendEnabled; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + return (ctx->Transform.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1; + case GL_COLOR_MATERIAL: + return ctx->Light.ColorMaterialEnabled; + case GL_CULL_FACE: + return ctx->Polygon.CullFlag; + case GL_DEPTH_TEST: + return ctx->Depth.Test; + case GL_DITHER: + return ctx->Color.DitherFlag; + case GL_FOG: + return ctx->Fog.Enabled; + case GL_LIGHTING: + return ctx->Light.Enabled; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + return ctx->Light.Light[cap-GL_LIGHT0].Enabled; + case GL_LINE_SMOOTH: + return ctx->Line.SmoothFlag; + case GL_LINE_STIPPLE: + return ctx->Line.StippleFlag; + case GL_INDEX_LOGIC_OP: + return ctx->Color.IndexLogicOpEnabled; + case GL_COLOR_LOGIC_OP: + return ctx->Color.ColorLogicOpEnabled; + case GL_MAP1_COLOR_4: + return ctx->Eval.Map1Color4; + case GL_MAP1_INDEX: + return ctx->Eval.Map1Index; + case GL_MAP1_NORMAL: + return ctx->Eval.Map1Normal; + case GL_MAP1_TEXTURE_COORD_1: + return ctx->Eval.Map1TextureCoord1; + case GL_MAP1_TEXTURE_COORD_2: + return ctx->Eval.Map1TextureCoord2; + case GL_MAP1_TEXTURE_COORD_3: + return ctx->Eval.Map1TextureCoord3; + case GL_MAP1_TEXTURE_COORD_4: + return ctx->Eval.Map1TextureCoord4; + case GL_MAP1_VERTEX_3: + return ctx->Eval.Map1Vertex3; + case GL_MAP1_VERTEX_4: + return ctx->Eval.Map1Vertex4; + case GL_MAP2_COLOR_4: + return ctx->Eval.Map2Color4; + case GL_MAP2_INDEX: + return ctx->Eval.Map2Index; + case GL_MAP2_NORMAL: + return ctx->Eval.Map2Normal; + case GL_MAP2_TEXTURE_COORD_1: + return ctx->Eval.Map2TextureCoord1; + case GL_MAP2_TEXTURE_COORD_2: + return ctx->Eval.Map2TextureCoord2; + case GL_MAP2_TEXTURE_COORD_3: + return ctx->Eval.Map2TextureCoord3; + case GL_MAP2_TEXTURE_COORD_4: + return ctx->Eval.Map2TextureCoord4; + case GL_MAP2_VERTEX_3: + return ctx->Eval.Map2Vertex3; + case GL_MAP2_VERTEX_4: + return ctx->Eval.Map2Vertex4; + case GL_NORMALIZE: + return ctx->Transform.Normalize; + case GL_POINT_SMOOTH: + return ctx->Point.SmoothFlag; + case GL_POLYGON_SMOOTH: + return ctx->Polygon.SmoothFlag; + case GL_POLYGON_STIPPLE: + return ctx->Polygon.StippleFlag; + case GL_POLYGON_OFFSET_POINT: + return ctx->Polygon.OffsetPoint; + case GL_POLYGON_OFFSET_LINE: + return ctx->Polygon.OffsetLine; + case GL_POLYGON_OFFSET_FILL: + /*case GL_POLYGON_OFFSET_EXT:*/ + return ctx->Polygon.OffsetFill; + case GL_RESCALE_NORMAL_EXT: + return ctx->Transform.RescaleNormals; + case GL_SCISSOR_TEST: + return ctx->Scissor.Enabled; + case GL_SHARED_TEXTURE_PALETTE_EXT: + return ctx->Texture.SharedPalette; + case GL_STENCIL_TEST: + return ctx->Stencil.Enabled; + case GL_TEXTURE_1D: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_2D: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_3D: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_Q: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_R: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_S: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_T: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; + } + + /* + * CLIENT STATE!!! + */ + case GL_VERTEX_ARRAY: + return (ctx->Array.Vertex.Enabled != 0); + case GL_NORMAL_ARRAY: + return (ctx->Array.Normal.Enabled != 0); + case GL_COLOR_ARRAY: + return (ctx->Array.Color.Enabled != 0); + case GL_INDEX_ARRAY: + return (ctx->Array.Index.Enabled != 0); + case GL_TEXTURE_COORD_ARRAY: + return (ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled != 0); + case GL_EDGE_FLAG_ARRAY: + return (ctx->Array.EdgeFlag.Enabled != 0); + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION(EXT_fog_coord); + return (ctx->Array.FogCoord.Enabled != 0); + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION(EXT_secondary_color); + return (ctx->Array.SecondaryColor.Enabled != 0); + + /* GL_EXT_histogram */ + case GL_HISTOGRAM: + CHECK_EXTENSION(EXT_histogram); + return ctx->Pixel.HistogramEnabled; + case GL_MINMAX: + CHECK_EXTENSION(EXT_histogram); + return ctx->Pixel.MinMaxEnabled; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION(HP_occlusion_test); + return ctx->Depth.OcclusionTest; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + CHECK_EXTENSION(SGIS_pixel_texture); + return ctx->Pixel.PixelTextureEnabled; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + CHECK_EXTENSION(SGIX_pixel_texture); + return ctx->Pixel.PixelTextureEnabled; + + /* GL_SGI_color_table */ + case GL_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.ColorTableEnabled; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.PostConvolutionColorTableEnabled; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.PostColorMatrixColorTableEnabled; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_texture_color_table); + return ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled; + + /* GL_EXT_convolution */ + case GL_CONVOLUTION_1D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Convolution1DEnabled; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Convolution2DEnabled; + case GL_SEPARABLE_2D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Separable2DEnabled; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION(ARB_texture_cube_map); + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE; + } + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.Enabled; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleAlphaToCoverage; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleAlphaToOne; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleCoverage; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleCoverageInvert; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION(IBM_rasterpos_clip); + return ctx->Transform.RasterPositionUnclipped; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + return ctx->Point.PointSprite; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION(NV_vertex_program); + return ctx->VertexProgram.Enabled; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION(NV_vertex_program); + return ctx->VertexProgram.PointSizeEnabled; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION(NV_vertex_program); + return ctx->VertexProgram.TwoSideEnabled; + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION(NV_vertex_program); + { + GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV; + return (ctx->Array.VertexAttrib[n].Enabled != 0); + } + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program); + { + const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV); + return ctx->Eval.Map1Attrib[map]; + } + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program); + { + const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV); + return ctx->Eval.Map2Attrib[map]; + } +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION(NV_fragment_program); + return ctx->FragmentProgram.Enabled; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION(NV_texture_rectangle); + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE; + } + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION(EXT_stencil_two_side); + return ctx->Stencil.TestTwoSide; + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + return ctx->FragmentProgram.Enabled; +#endif /* FEATURE_ARB_fragment_program */ + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION(EXT_depth_bounds_test); + return ctx->Depth.BoundsTest; + + /* GL_MESA_program_debug */ + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug); + return ctx->FragmentProgram.CallbackEnabled; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug); + return ctx->VertexProgram.CallbackEnabled; + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap); + return GL_FALSE; + } +} diff --git a/src/mesa/main/enable.h b/src/mesa/main/enable.h new file mode 100644 index 0000000..25c90b0 --- /dev/null +++ b/src/mesa/main/enable.h @@ -0,0 +1,57 @@ +/** + * \file enable.h + * Enable/disable/query GL capabilities. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef ENABLE_H +#define ENABLE_H + + +#include "mtypes.h" + + +extern void +_mesa_set_enable( GLcontext* ctx, GLenum cap, GLboolean state ); + +extern void GLAPIENTRY +_mesa_Disable( GLenum cap ); + +extern void GLAPIENTRY +_mesa_Enable( GLenum cap ); + +extern GLboolean GLAPIENTRY +_mesa_IsEnabled( GLenum cap ); + +extern void GLAPIENTRY +_mesa_EnableClientState( GLenum cap ); + +extern void GLAPIENTRY +_mesa_DisableClientState( GLenum cap ); + + +#endif diff --git a/src/mesa/main/enums.c b/src/mesa/main/enums.c new file mode 100644 index 0000000..20009d6 --- /dev/null +++ b/src/mesa/main/enums.c @@ -0,0 +1,973 @@ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Author: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "glheader.h" +#include "enums.h" +#include "imports.h" + + +typedef struct { + const char *c; + int n; +} enum_elt; + +enum_elt all_enums[] = +{ + /* Boolean values */ + { "GL_FALSE", 0 }, + { "GL_TRUE", 1 }, + + /* Data types */ + { "GL_BYTE", 0x1400 }, + { "GL_UNSIGNED_BYTE", 0x1401 }, + { "GL_SHORT", 0x1402 }, + { "GL_UNSIGNED_SHORT", 0x1403 }, + { "GL_INT", 0x1404 }, + { "GL_UNSIGNED_INT", 0x1405 }, + { "GL_FLOAT", 0x1406 }, + { "GL_DOUBLE", 0x140A }, + { "GL_2_BYTES", 0x1407 }, + { "GL_3_BYTES", 0x1408 }, + { "GL_4_BYTES", 0x1409 }, + + /* Primitives */ + { "GL_LINES", 0x0001 }, + { "GL_POINTS", 0x0000 }, + { "GL_LINE_STRIP", 0x0003 }, + { "GL_LINE_LOOP", 0x0002 }, + { "GL_TRIANGLES", 0x0004 }, + { "GL_TRIANGLE_STRIP", 0x0005 }, + { "GL_TRIANGLE_FAN", 0x0006 }, + { "GL_QUADS", 0x0007 }, + { "GL_QUAD_STRIP", 0x0008 }, + { "GL_POLYGON", 0x0009 }, + { "GL_EDGE_FLAG", 0x0B43 }, + + /* Vertex Arrays */ + { "GL_VERTEX_ARRAY", 0x8074 }, + { "GL_NORMAL_ARRAY", 0x8075 }, + { "GL_COLOR_ARRAY", 0x8076 }, + { "GL_INDEX_ARRAY", 0x8077 }, + { "GL_TEXTURE_COORD_ARRAY", 0x8078 }, + { "GL_EDGE_FLAG_ARRAY", 0x8079 }, + { "GL_VERTEX_ARRAY_SIZE", 0x807A }, + { "GL_VERTEX_ARRAY_TYPE", 0x807B }, + { "GL_VERTEX_ARRAY_STRIDE", 0x807C }, + { "GL_NORMAL_ARRAY_TYPE", 0x807E }, + { "GL_NORMAL_ARRAY_STRIDE", 0x807F }, + { "GL_COLOR_ARRAY_SIZE", 0x8081 }, + { "GL_COLOR_ARRAY_TYPE", 0x8082 }, + { "GL_COLOR_ARRAY_STRIDE", 0x8083 }, + { "GL_INDEX_ARRAY_TYPE", 0x8085 }, + { "GL_INDEX_ARRAY_STRIDE", 0x8086 }, + { "GL_TEXTURE_COORD_ARRAY_SIZE", 0x8088 }, + { "GL_TEXTURE_COORD_ARRAY_TYPE", 0x8089 }, + { "GL_TEXTURE_COORD_ARRAY_STRIDE", 0x808A }, + { "GL_EDGE_FLAG_ARRAY_STRIDE", 0x808C }, + { "GL_VERTEX_ARRAY_POINTER", 0x808E }, + { "GL_NORMAL_ARRAY_POINTER", 0x808F }, + { "GL_COLOR_ARRAY_POINTER", 0x8090 }, + { "GL_INDEX_ARRAY_POINTER", 0x8091 }, + { "GL_TEXTURE_COORD_ARRAY_POINTER", 0x8092 }, + { "GL_EDGE_FLAG_ARRAY_POINTER", 0x8093 }, + { "GL_V2F", 0x2A20 }, + { "GL_V3F", 0x2A21 }, + { "GL_C4UB_V2F", 0x2A22 }, + { "GL_C4UB_V3F", 0x2A23 }, + { "GL_C3F_V3F", 0x2A24 }, + { "GL_N3F_V3F", 0x2A25 }, + { "GL_C4F_N3F_V3F", 0x2A26 }, + { "GL_T2F_V3F", 0x2A27 }, + { "GL_T4F_V4F", 0x2A28 }, + { "GL_T2F_C4UB_V3F", 0x2A29 }, + { "GL_T2F_C3F_V3F", 0x2A2A }, + { "GL_T2F_N3F_V3F", 0x2A2B }, + { "GL_T2F_C4F_N3F_V3F", 0x2A2C }, + { "GL_T4F_C4F_N3F_V4F", 0x2A2D }, + + /* Matrix Mode */ + { "GL_MATRIX_MODE", 0x0BA0 }, + { "GL_MODELVIEW", 0x1700 }, + { "GL_PROJECTION", 0x1701 }, + { "GL_TEXTURE", 0x1702 }, + + /* Points */ + { "GL_POINT_SMOOTH", 0x0B10 }, + { "GL_POINT_SIZE", 0x0B11 }, + { "GL_POINT_SIZE_GRANULARITY ", 0x0B13 }, + { "GL_POINT_SIZE_RANGE", 0x0B12 }, + + /* Lines */ + { "GL_LINE_SMOOTH", 0x0B20 }, + { "GL_LINE_STIPPLE", 0x0B24 }, + { "GL_LINE_STIPPLE_PATTERN", 0x0B25 }, + { "GL_LINE_STIPPLE_REPEAT", 0x0B26 }, + { "GL_LINE_WIDTH", 0x0B21 }, + { "GL_LINE_WIDTH_GRANULARITY", 0x0B23 }, + { "GL_LINE_WIDTH_RANGE", 0x0B22 }, + + /* Polygons */ + { "GL_POINT", 0x1B00 }, + { "GL_LINE", 0x1B01 }, + { "GL_FILL", 0x1B02 }, + { "GL_CCW", 0x0901 }, + { "GL_CW", 0x0900 }, + { "GL_FRONT", 0x0404 }, + { "GL_BACK", 0x0405 }, + { "GL_CULL_FACE", 0x0B44 }, + { "GL_CULL_FACE_MODE", 0x0B45 }, + { "GL_POLYGON_SMOOTH", 0x0B41 }, + { "GL_POLYGON_STIPPLE", 0x0B42 }, + { "GL_FRONT_FACE", 0x0B46 }, + { "GL_POLYGON_MODE", 0x0B40 }, + { "GL_POLYGON_OFFSET_FACTOR", 0x8038 }, + { "GL_POLYGON_OFFSET_UNITS", 0x2A00 }, + { "GL_POLYGON_OFFSET_POINT", 0x2A01 }, + { "GL_POLYGON_OFFSET_LINE", 0x2A02 }, + { "GL_POLYGON_OFFSET_FILL", 0x8037 }, + + /* Display Lists */ + { "GL_COMPILE", 0x1300 }, + { "GL_COMPILE_AND_EXECUTE", 0x1301 }, + { "GL_LIST_BASE", 0x0B32 }, + { "GL_LIST_INDEX", 0x0B33 }, + { "GL_LIST_MODE", 0x0B30 }, + + /* Depth buffer */ + { "GL_NEVER", 0x0200 }, + { "GL_LESS", 0x0201 }, + { "GL_GEQUAL", 0x0206 }, + { "GL_LEQUAL", 0x0203 }, + { "GL_GREATER", 0x0204 }, + { "GL_NOTEQUAL", 0x0205 }, + { "GL_EQUAL", 0x0202 }, + { "GL_ALWAYS", 0x0207 }, + { "GL_DEPTH_TEST", 0x0B71 }, + { "GL_DEPTH_BITS", 0x0D56 }, + { "GL_DEPTH_CLEAR_VALUE", 0x0B73 }, + { "GL_DEPTH_FUNC", 0x0B74 }, + { "GL_DEPTH_RANGE", 0x0B70 }, + { "GL_DEPTH_WRITEMASK", 0x0B72 }, + { "GL_DEPTH_COMPONENT", 0x1902 }, + + /* Lighting */ + { "GL_LIGHTING", 0x0B50 }, + { "GL_LIGHT0", 0x4000 }, + { "GL_LIGHT1", 0x4001 }, + { "GL_LIGHT2", 0x4002 }, + { "GL_LIGHT3", 0x4003 }, + { "GL_LIGHT4", 0x4004 }, + { "GL_LIGHT5", 0x4005 }, + { "GL_LIGHT6", 0x4006 }, + { "GL_LIGHT7", 0x4007 }, + { "GL_SPOT_EXPONENT", 0x1205 }, + { "GL_SPOT_CUTOFF", 0x1206 }, + { "GL_CONSTANT_ATTENUATION", 0x1207 }, + { "GL_LINEAR_ATTENUATION", 0x1208 }, + { "GL_QUADRATIC_ATTENUATION", 0x1209 }, + { "GL_AMBIENT", 0x1200 }, + { "GL_DIFFUSE", 0x1201 }, + { "GL_SPECULAR", 0x1202 }, + { "GL_SHININESS", 0x1601 }, + { "GL_EMISSION", 0x1600 }, + { "GL_POSITION", 0x1203 }, + { "GL_SPOT_DIRECTION", 0x1204 }, + { "GL_AMBIENT_AND_DIFFUSE", 0x1602 }, + { "GL_COLOR_INDEXES", 0x1603 }, + { "GL_LIGHT_MODEL_TWO_SIDE", 0x0B52 }, + { "GL_LIGHT_MODEL_LOCAL_VIEWER", 0x0B51 }, + { "GL_LIGHT_MODEL_AMBIENT", 0x0B53 }, + { "GL_FRONT_AND_BACK", 0x0408 }, + { "GL_SHADE_MODEL", 0x0B54 }, + { "GL_FLAT", 0x1D00 }, + { "GL_SMOOTH", 0x1D01 }, + { "GL_COLOR_MATERIAL", 0x0B57 }, + { "GL_COLOR_MATERIAL_FACE", 0x0B55 }, + { "GL_COLOR_MATERIAL_PARAMETER", 0x0B56 }, + { "GL_NORMALIZE", 0x0BA1 }, + + /* User clipping planes */ + { "GL_CLIP_PLANE0", 0x3000 }, + { "GL_CLIP_PLANE1", 0x3001 }, + { "GL_CLIP_PLANE2", 0x3002 }, + { "GL_CLIP_PLANE3", 0x3003 }, + { "GL_CLIP_PLANE4", 0x3004 }, + { "GL_CLIP_PLANE5", 0x3005 }, + + /* Accumulation buffer */ + { "GL_ACCUM_RED_BITS", 0x0D58 }, + { "GL_ACCUM_GREEN_BITS", 0x0D59 }, + { "GL_ACCUM_BLUE_BITS", 0x0D5A }, + { "GL_ACCUM_ALPHA_BITS", 0x0D5B }, + { "GL_ACCUM_CLEAR_VALUE", 0x0B80 }, + { "GL_ACCUM", 0x0100 }, + { "GL_ADD", 0x0104 }, + { "GL_LOAD", 0x0101 }, + { "GL_MULT", 0x0103 }, + { "GL_RETURN", 0x0102 }, + + /* Alpha testing */ + { "GL_ALPHA_TEST", 0x0BC0 }, + { "GL_ALPHA_TEST_REF", 0x0BC2 }, + { "GL_ALPHA_TEST_FUNC", 0x0BC1 }, + + /* Blending */ + { "GL_BLEND", 0x0BE2 }, + { "GL_BLEND_SRC", 0x0BE1 }, + { "GL_BLEND_DST", 0x0BE0 }, + { "GL_ZERO", 0 }, + { "GL_ONE", 1 }, + { "GL_SRC_COLOR", 0x0300 }, + { "GL_ONE_MINUS_SRC_COLOR", 0x0301 }, + { "GL_DST_COLOR", 0x0306 }, + { "GL_ONE_MINUS_DST_COLOR", 0x0307 }, + { "GL_SRC_ALPHA", 0x0302 }, + { "GL_ONE_MINUS_SRC_ALPHA", 0x0303 }, + { "GL_DST_ALPHA", 0x0304 }, + { "GL_ONE_MINUS_DST_ALPHA", 0x0305 }, + { "GL_SRC_ALPHA_SATURATE", 0x0308 }, + { "GL_CONSTANT_COLOR", 0x8001 }, + { "GL_ONE_MINUS_CONSTANT_COLOR", 0x8002 }, + { "GL_CONSTANT_ALPHA", 0x8003 }, + { "GL_ONE_MINUS_CONSTANT_ALPHA", 0x8004 }, + + /* Render Mode */ + { "GL_FEEDBACK", 0x1C01 }, + { "GL_RENDER", 0x1C00 }, + { "GL_SELECT", 0x1C02 }, + + /* Feedback */ + { "GL_2D", 0x0600 }, + { "GL_3D", 0x0601 }, + { "GL_3D_COLOR", 0x0602 }, + { "GL_3D_COLOR_TEXTURE", 0x0603 }, + { "GL_4D_COLOR_TEXTURE", 0x0604 }, + { "GL_POINT_TOKEN", 0x0701 }, + { "GL_LINE_TOKEN", 0x0702 }, + { "GL_LINE_RESET_TOKEN", 0x0707 }, + { "GL_POLYGON_TOKEN", 0x0703 }, + { "GL_BITMAP_TOKEN", 0x0704 }, + { "GL_DRAW_PIXEL_TOKEN", 0x0705 }, + { "GL_COPY_PIXEL_TOKEN", 0x0706 }, + { "GL_PASS_THROUGH_TOKEN", 0x0700 }, + { "GL_FEEDBACK_BUFFER_POINTER", 0x0DF0 }, + { "GL_FEEDBACK_BUFFER_SIZE", 0x0DF1 }, + { "GL_FEEDBACK_BUFFER_TYPE", 0x0DF2 }, + + /* Selection */ + { "GL_SELECTION_BUFFER_POINTER", 0x0DF3 }, + { "GL_SELECTION_BUFFER_SIZE", 0x0DF4 }, + + /* Fog */ + { "GL_FOG", 0x0B60 }, + { "GL_FOG_MODE", 0x0B65 }, + { "GL_FOG_DENSITY", 0x0B62 }, + { "GL_FOG_COLOR", 0x0B66 }, + { "GL_FOG_INDEX", 0x0B61 }, + { "GL_FOG_START", 0x0B63 }, + { "GL_FOG_END", 0x0B64 }, + { "GL_LINEAR", 0x2601 }, + { "GL_EXP", 0x0800 }, + { "GL_EXP2", 0x0801 }, + + /* Logic Ops */ + { "GL_LOGIC_OP", 0x0BF1 }, + { "GL_INDEX_LOGIC_OP", 0x0BF1 }, + { "GL_COLOR_LOGIC_OP", 0x0BF2 }, + { "GL_LOGIC_OP_MODE", 0x0BF0 }, + { "GL_CLEAR", 0x1500 }, + { "GL_SET", 0x150F }, + { "GL_COPY", 0x1503 }, + { "GL_COPY_INVERTED", 0x150C }, + { "GL_NOOP", 0x1505 }, + { "GL_INVERT", 0x150A }, + { "GL_AND", 0x1501 }, + { "GL_NAND", 0x150E }, + { "GL_OR", 0x1507 }, + { "GL_NOR", 0x1508 }, + { "GL_XOR", 0x1506 }, + { "GL_EQUIV", 0x1509 }, + { "GL_AND_REVERSE", 0x1502 }, + { "GL_AND_INVERTED", 0x1504 }, + { "GL_OR_REVERSE", 0x150B }, + { "GL_OR_INVERTED", 0x150D }, + + /* Stencil */ + { "GL_STENCIL_TEST", 0x0B90 }, + { "GL_STENCIL_WRITEMASK", 0x0B98 }, + { "GL_STENCIL_BITS", 0x0D57 }, + { "GL_STENCIL_FUNC", 0x0B92 }, + { "GL_STENCIL_VALUE_MASK", 0x0B93 }, + { "GL_STENCIL_REF", 0x0B97 }, + { "GL_STENCIL_FAIL", 0x0B94 }, + { "GL_STENCIL_PASS_DEPTH_PASS", 0x0B96 }, + { "GL_STENCIL_PASS_DEPTH_FAIL", 0x0B95 }, + { "GL_STENCIL_CLEAR_VALUE", 0x0B91 }, + { "GL_STENCIL_INDEX", 0x1901 }, + { "GL_KEEP", 0x1E00 }, + { "GL_REPLACE", 0x1E01 }, + { "GL_INCR", 0x1E02 }, + { "GL_DECR", 0x1E03 }, + + /* Buffers, Pixel Drawing/Reading */ + { "GL_NONE", 0 }, + { "GL_LEFT", 0x0406 }, + { "GL_RIGHT", 0x0407 }, + { "GL_FRONT_LEFT", 0x0400 }, + { "GL_FRONT_RIGHT", 0x0401 }, + { "GL_BACK_LEFT", 0x0402 }, + { "GL_BACK_RIGHT", 0x0403 }, + { "GL_AUX0", 0x0409 }, + { "GL_AUX1", 0x040A }, + { "GL_AUX2", 0x040B }, + { "GL_AUX3", 0x040C }, + { "GL_COLOR_INDEX", 0x1900 }, + { "GL_RED", 0x1903 }, + { "GL_GREEN", 0x1904 }, + { "GL_BLUE", 0x1905 }, + { "GL_ALPHA", 0x1906 }, + { "GL_LUMINANCE", 0x1909 }, + { "GL_LUMINANCE_ALPHA", 0x190A }, + { "GL_ALPHA_BITS", 0x0D55 }, + { "GL_RED_BITS", 0x0D52 }, + { "GL_GREEN_BITS", 0x0D53 }, + { "GL_BLUE_BITS", 0x0D54 }, + { "GL_INDEX_BITS", 0x0D51 }, + { "GL_SUBPIXEL_BITS", 0x0D50 }, + { "GL_AUX_BUFFERS", 0x0C00 }, + { "GL_READ_BUFFER", 0x0C02 }, + { "GL_DRAW_BUFFER", 0x0C01 }, + { "GL_DOUBLEBUFFER", 0x0C32 }, + { "GL_STEREO", 0x0C33 }, + { "GL_BITMAP", 0x1A00 }, + { "GL_COLOR", 0x1800 }, + { "GL_DEPTH", 0x1801 }, + { "GL_STENCIL", 0x1802 }, + { "GL_DITHER", 0x0BD0 }, + { "GL_RGB", 0x1907 }, + { "GL_RGBA", 0x1908 }, + + /* Implementation limits */ + { "GL_MAX_LIST_NESTING", 0x0B31 }, + { "GL_MAX_ATTRIB_STACK_DEPTH", 0x0D35 }, + { "GL_MAX_MODELVIEW_STACK_DEPTH", 0x0D36 }, + { "GL_MAX_NAME_STACK_DEPTH", 0x0D37 }, + { "GL_MAX_PROJECTION_STACK_DEPTH", 0x0D38 }, + { "GL_MAX_TEXTURE_STACK_DEPTH", 0x0D39 }, + { "GL_MAX_EVAL_ORDER", 0x0D30 }, + { "GL_MAX_LIGHTS", 0x0D31 }, + { "GL_MAX_CLIP_PLANES", 0x0D32 }, + { "GL_MAX_TEXTURE_SIZE", 0x0D33 }, + { "GL_MAX_PIXEL_MAP_TABLE", 0x0D34 }, + { "GL_MAX_VIEWPORT_DIMS", 0x0D3A }, + { "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH", 0x0D3B }, + + + { "GL_ATTRIB_STACK_DEPTH", 0x0BB0 }, + { "GL_CLIENT_ATTRIB_STACK_DEPTH", 0x0BB1 }, + { "GL_COLOR_CLEAR_VALUE", 0x0C22 }, + { "GL_COLOR_WRITEMASK", 0x0C23 }, + { "GL_CURRENT_INDEX", 0x0B01 }, + { "GL_CURRENT_COLOR", 0x0B00 }, + { "GL_CURRENT_NORMAL", 0x0B02 }, + { "GL_CURRENT_RASTER_COLOR", 0x0B04 }, + { "GL_CURRENT_RASTER_DISTANCE", 0x0B09 }, + { "GL_CURRENT_RASTER_INDEX", 0x0B05 }, + { "GL_CURRENT_RASTER_POSITION", 0x0B07 }, + { "GL_CURRENT_RASTER_TEXTURE_COORDS", 0x0B06}, + { "GL_CURRENT_RASTER_POSITION_VALID", 0x0B08 }, + { "GL_CURRENT_TEXTURE_COORDS", 0x0B03 }, + { "GL_INDEX_CLEAR_VALUE", 0x0C20 }, + { "GL_INDEX_MODE", 0x0C30 }, + { "GL_INDEX_WRITEMASK", 0x0C21 }, + { "GL_MODELVIEW_MATRIX", 0x0BA6 }, + { "GL_MODELVIEW_STACK_DEPTH", 0x0BA3 }, + { "GL_NAME_STACK_DEPTH", 0x0D70 }, + { "GL_PROJECTION_MATRIX", 0x0BA7 }, + { "GL_PROJECTION_STACK_DEPTH", 0x0BA4 }, + { "GL_RENDER_MODE", 0x0C40 }, + { "GL_RGBA_MODE", 0x0C31 }, + { "GL_TEXTURE_MATRIX", 0x0BA8 }, + { "GL_TEXTURE_STACK_DEPTH", 0x0BA5 }, + { "GL_VIEWPORT", 0x0BA2 }, + + + /* Evaluators */ + { "GL_AUTO_NORMAL", 0x0D80 }, + { "GL_MAP1_COLOR_4", 0x0D90 }, + { "GL_MAP1_GRID_DOMAIN", 0x0DD0 }, + { "GL_MAP1_GRID_SEGMENTS", 0x0DD1 }, + { "GL_MAP1_INDEX", 0x0D91 }, + { "GL_MAP1_NORMAL", 0x0D92 }, + { "GL_MAP1_TEXTURE_COORD_1", 0x0D93 }, + { "GL_MAP1_TEXTURE_COORD_2", 0x0D94 }, + { "GL_MAP1_TEXTURE_COORD_3", 0x0D95 }, + { "GL_MAP1_TEXTURE_COORD_4", 0x0D96 }, + { "GL_MAP1_VERTEX_3", 0x0D97 }, + { "GL_MAP1_VERTEX_4", 0x0D98 }, + { "GL_MAP2_COLOR_4", 0x0DB0 }, + { "GL_MAP2_GRID_DOMAIN", 0x0DD2 }, + { "GL_MAP2_GRID_SEGMENTS", 0x0DD3 }, + { "GL_MAP2_INDEX", 0x0DB1 }, + { "GL_MAP2_NORMAL", 0x0DB2 }, + { "GL_MAP2_TEXTURE_COORD_1", 0x0DB3 }, + { "GL_MAP2_TEXTURE_COORD_2", 0x0DB4 }, + { "GL_MAP2_TEXTURE_COORD_3", 0x0DB5 }, + { "GL_MAP2_TEXTURE_COORD_4", 0x0DB6 }, + { "GL_MAP2_VERTEX_3", 0x0DB7 }, + { "GL_MAP2_VERTEX_4", 0x0DB8 }, + { "GL_COEFF", 0x0A00 }, + { "GL_DOMAIN", 0x0A02 }, + { "GL_ORDER", 0x0A01 }, + + /* Hints */ + { "GL_FOG_HINT", 0x0C54 }, + { "GL_LINE_SMOOTH_HINT", 0x0C52 }, + { "GL_PERSPECTIVE_CORRECTION_HINT", 0x0C50 }, + { "GL_POINT_SMOOTH_HINT", 0x0C51 }, + { "GL_POLYGON_SMOOTH_HINT", 0x0C53 }, + { "GL_DONT_CARE", 0x1100 }, + { "GL_FASTEST", 0x1101 }, + { "GL_NICEST", 0x1102 }, + + /* Scissor box */ + { "GL_SCISSOR_TEST", 0x0C11 }, + { "GL_SCISSOR_BOX", 0x0C10 }, + + /* Pixel Mode / Transfer */ + { "GL_MAP_COLOR", 0x0D10 }, + { "GL_MAP_STENCIL", 0x0D11 }, + { "GL_INDEX_SHIFT", 0x0D12 }, + { "GL_INDEX_OFFSET", 0x0D13 }, + { "GL_RED_SCALE", 0x0D14 }, + { "GL_RED_BIAS", 0x0D15 }, + { "GL_GREEN_SCALE", 0x0D18 }, + { "GL_GREEN_BIAS", 0x0D19 }, + { "GL_BLUE_SCALE", 0x0D1A }, + { "GL_BLUE_BIAS", 0x0D1B }, + { "GL_ALPHA_SCALE", 0x0D1C }, + { "GL_ALPHA_BIAS", 0x0D1D }, + { "GL_DEPTH_SCALE", 0x0D1E }, + { "GL_DEPTH_BIAS", 0x0D1F }, + { "GL_PIXEL_MAP_S_TO_S_SIZE", 0x0CB1 }, + { "GL_PIXEL_MAP_I_TO_I_SIZE", 0x0CB0 }, + { "GL_PIXEL_MAP_I_TO_R_SIZE", 0x0CB2 }, + { "GL_PIXEL_MAP_I_TO_G_SIZE", 0x0CB3 }, + { "GL_PIXEL_MAP_I_TO_B_SIZE", 0x0CB4 }, + { "GL_PIXEL_MAP_I_TO_A_SIZE", 0x0CB5 }, + { "GL_PIXEL_MAP_R_TO_R_SIZE", 0x0CB6 }, + { "GL_PIXEL_MAP_G_TO_G_SIZE", 0x0CB7 }, + { "GL_PIXEL_MAP_B_TO_B_SIZE", 0x0CB8 }, + { "GL_PIXEL_MAP_A_TO_A_SIZE", 0x0CB9 }, + { "GL_PIXEL_MAP_S_TO_S", 0x0C71 }, + { "GL_PIXEL_MAP_I_TO_I", 0x0C70 }, + { "GL_PIXEL_MAP_I_TO_R", 0x0C72 }, + { "GL_PIXEL_MAP_I_TO_G", 0x0C73 }, + { "GL_PIXEL_MAP_I_TO_B", 0x0C74 }, + { "GL_PIXEL_MAP_I_TO_A", 0x0C75 }, + { "GL_PIXEL_MAP_R_TO_R", 0x0C76 }, + { "GL_PIXEL_MAP_G_TO_G", 0x0C77 }, + { "GL_PIXEL_MAP_B_TO_B", 0x0C78 }, + { "GL_PIXEL_MAP_A_TO_A", 0x0C79 }, + { "GL_PACK_ALIGNMENT", 0x0D05 }, + { "GL_PACK_LSB_FIRST", 0x0D01 }, + { "GL_PACK_ROW_LENGTH", 0x0D02 }, + { "GL_PACK_SKIP_PIXELS", 0x0D04 }, + { "GL_PACK_SKIP_ROWS", 0x0D03 }, + { "GL_PACK_SWAP_BYTES", 0x0D00 }, + { "GL_UNPACK_ALIGNMENT", 0x0CF5 }, + { "GL_UNPACK_LSB_FIRST", 0x0CF1 }, + { "GL_UNPACK_ROW_LENGTH", 0x0CF2 }, + { "GL_UNPACK_SKIP_PIXELS", 0x0CF4 }, + { "GL_UNPACK_SKIP_ROWS", 0x0CF3 }, + { "GL_UNPACK_SWAP_BYTES", 0x0CF0 }, + { "GL_ZOOM_X", 0x0D16 }, + { "GL_ZOOM_Y", 0x0D17 }, + + /* Texture mapping */ + { "GL_TEXTURE_ENV", 0x2300 }, + { "GL_TEXTURE_ENV_MODE", 0x2200 }, + { "GL_TEXTURE_1D", 0x0DE0 }, + { "GL_TEXTURE_2D", 0x0DE1 }, + { "GL_TEXTURE_WRAP_S", 0x2802 }, + { "GL_TEXTURE_WRAP_T", 0x2803 }, + { "GL_TEXTURE_MAG_FILTER", 0x2800 }, + { "GL_TEXTURE_MIN_FILTER", 0x2801 }, + { "GL_TEXTURE_ENV_COLOR", 0x2201 }, + { "GL_TEXTURE_GEN_S", 0x0C60 }, + { "GL_TEXTURE_GEN_T", 0x0C61 }, + { "GL_TEXTURE_GEN_MODE", 0x2500 }, + { "GL_TEXTURE_BORDER_COLOR", 0x1004 }, + { "GL_TEXTURE_WIDTH", 0x1000 }, + { "GL_TEXTURE_HEIGHT", 0x1001 }, + { "GL_TEXTURE_BORDER", 0x1005 }, + { "GL_TEXTURE_COMPONENTS", 0x1003 }, + { "GL_TEXTURE_RED_SIZE", 0x805C }, + { "GL_TEXTURE_GREEN_SIZE", 0x805D }, + { "GL_TEXTURE_BLUE_SIZE", 0x805E }, + { "GL_TEXTURE_ALPHA_SIZE", 0x805F }, + { "GL_TEXTURE_LUMINANCE_SIZE", 0x8060 }, + { "GL_TEXTURE_INTENSITY_SIZE", 0x8061 }, + { "GL_NEAREST_MIPMAP_NEAREST", 0x2700 }, + { "GL_NEAREST_MIPMAP_LINEAR", 0x2702 }, + { "GL_LINEAR_MIPMAP_NEAREST", 0x2701 }, + { "GL_LINEAR_MIPMAP_LINEAR", 0x2703 }, + { "GL_OBJECT_LINEAR", 0x2401 }, + { "GL_OBJECT_PLANE", 0x2501 }, + { "GL_EYE_LINEAR", 0x2400 }, + { "GL_EYE_PLANE", 0x2502 }, + { "GL_SPHERE_MAP", 0x2402 }, + { "GL_DECAL", 0x2101 }, + { "GL_MODULATE", 0x2100 }, + { "GL_NEAREST", 0x2600 }, + { "GL_REPEAT", 0x2901 }, + { "GL_CLAMP", 0x2900 }, + { "GL_S", 0x2000 }, + { "GL_T", 0x2001 }, + { "GL_R", 0x2002 }, + { "GL_Q", 0x2003 }, + { "GL_TEXTURE_GEN_R", 0x0C62 }, + { "GL_TEXTURE_GEN_Q", 0x0C63 }, + + /* GL 1.1 texturing */ + { "GL_PROXY_TEXTURE_1D", 0x8063 }, + { "GL_PROXY_TEXTURE_2D", 0x8064 }, + { "GL_TEXTURE_PRIORITY", 0x8066 }, + { "GL_TEXTURE_RESIDENT", 0x8067 }, + { "GL_TEXTURE_BINDING_1D", 0x8068 }, + { "GL_TEXTURE_BINDING_2D", 0x8069 }, + { "GL_TEXTURE_INTERNAL_FORMAT", 0x1003 }, + + /* GL 1.2 texturing */ + { "GL_PACK_SKIP_IMAGES", 0x806B }, + { "GL_PACK_IMAGE_HEIGHT", 0x806C }, + { "GL_UNPACK_SKIP_IMAGES", 0x806D }, + { "GL_UNPACK_IMAGE_HEIGHT", 0x806E }, + { "GL_TEXTURE_3D", 0x806F }, + { "GL_PROXY_TEXTURE_3D", 0x8070 }, + { "GL_TEXTURE_DEPTH", 0x8071 }, + { "GL_TEXTURE_WRAP_R", 0x8072 }, + { "GL_MAX_3D_TEXTURE_SIZE", 0x8073 }, + { "GL_TEXTURE_BINDING_3D", 0x806A }, + + /* Internal texture formats (GL 1.1) */ + { "GL_ALPHA4", 0x803B }, + { "GL_ALPHA8", 0x803C }, + { "GL_ALPHA12", 0x803D }, + { "GL_ALPHA16", 0x803E }, + { "GL_LUMINANCE4", 0x803F }, + { "GL_LUMINANCE8", 0x8040 }, + { "GL_LUMINANCE12", 0x8041 }, + { "GL_LUMINANCE16", 0x8042 }, + { "GL_LUMINANCE4_ALPHA4", 0x8043 }, + { "GL_LUMINANCE6_ALPHA2", 0x8044 }, + { "GL_LUMINANCE8_ALPHA8", 0x8045 }, + { "GL_LUMINANCE12_ALPHA4", 0x8046 }, + { "GL_LUMINANCE12_ALPHA12", 0x8047 }, + { "GL_LUMINANCE16_ALPHA16", 0x8048 }, + { "GL_INTENSITY", 0x8049 }, + { "GL_INTENSITY4", 0x804A }, + { "GL_INTENSITY8", 0x804B }, + { "GL_INTENSITY12", 0x804C }, + { "GL_INTENSITY16", 0x804D }, + { "GL_R3_G3_B2", 0x2A10 }, + { "GL_RGB4", 0x804F }, + { "GL_RGB5", 0x8050 }, + { "GL_RGB8", 0x8051 }, + { "GL_RGB10", 0x8052 }, + { "GL_RGB12", 0x8053 }, + { "GL_RGB16", 0x8054 }, + { "GL_RGBA2", 0x8055 }, + { "GL_RGBA4", 0x8056 }, + { "GL_RGB5_A1", 0x8057 }, + { "GL_RGBA8", 0x8058 }, + { "GL_RGB10_A2", 0x8059 }, + { "GL_RGBA12", 0x805A }, + { "GL_RGBA16", 0x805B }, + + /* Utility */ + { "GL_VENDOR", 0x1F00 }, + { "GL_RENDERER", 0x1F01 }, + { "GL_VERSION", 0x1F02 }, + { "GL_EXTENSIONS", 0x1F03 }, + + /* Errors */ + { "GL_INVALID_VALUE", 0x0501 }, + { "GL_INVALID_ENUM", 0x0500 }, + { "GL_INVALID_OPERATION", 0x0502 }, + { "GL_STACK_OVERFLOW", 0x0503 }, + { "GL_STACK_UNDERFLOW", 0x0504 }, + { "GL_OUT_OF_MEMORY", 0x0505 }, + + /* + * Extensions + */ + + { "GL_CONSTANT_COLOR_EXT", 0x8001 }, + { "GL_ONE_MINUS_CONSTANT_COLOR_EXT", 0x8002 }, + { "GL_CONSTANT_ALPHA_EXT", 0x8003 }, + { "GL_ONE_MINUS_CONSTANT_ALPHA_EXT", 0x8004 }, + { "GL_BLEND_EQUATION_EXT", 0x8009 }, + { "GL_MIN_EXT", 0x8007 }, + { "GL_MAX_EXT", 0x8008 }, + { "GL_FUNC_ADD_EXT", 0x8006 }, + { "GL_FUNC_SUBTRACT_EXT", 0x800A }, + { "GL_FUNC_REVERSE_SUBTRACT_EXT", 0x800B }, + { "GL_BLEND_COLOR_EXT", 0x8005 }, + + { "GL_POLYGON_OFFSET_EXT", 0x8037 }, + { "GL_POLYGON_OFFSET_FACTOR_EXT", 0x8038 }, + { "GL_POLYGON_OFFSET_BIAS_EXT", 0x8039 }, + + + { "GL_VERTEX_ARRAY_EXT", 0x8074 }, + { "GL_NORMAL_ARRAY_EXT", 0x8075 }, + { "GL_COLOR_ARRAY_EXT", 0x8076 }, + { "GL_INDEX_ARRAY_EXT", 0x8077 }, + { "GL_TEXTURE_COORD_ARRAY_EXT", 0x8078 }, + { "GL_EDGE_FLAG_ARRAY_EXT", 0x8079 }, + { "GL_VERTEX_ARRAY_SIZE_EXT", 0x807A }, + { "GL_VERTEX_ARRAY_TYPE_EXT", 0x807B }, + { "GL_VERTEX_ARRAY_STRIDE_EXT", 0x807C }, + { "GL_VERTEX_ARRAY_COUNT_EXT", 0x807D }, + { "GL_NORMAL_ARRAY_TYPE_EXT", 0x807E }, + { "GL_NORMAL_ARRAY_STRIDE_EXT", 0x807F }, + { "GL_NORMAL_ARRAY_COUNT_EXT", 0x8080 }, + { "GL_COLOR_ARRAY_SIZE_EXT", 0x8081 }, + { "GL_COLOR_ARRAY_TYPE_EXT", 0x8082 }, + { "GL_COLOR_ARRAY_STRIDE_EXT", 0x8083 }, + { "GL_COLOR_ARRAY_COUNT_EXT", 0x8084 }, + { "GL_INDEX_ARRAY_TYPE_EXT", 0x8085 }, + { "GL_INDEX_ARRAY_STRIDE_EXT", 0x8086 }, + { "GL_INDEX_ARRAY_COUNT_EXT", 0x8087 }, + { "GL_TEXTURE_COORD_ARRAY_SIZE_EXT", 0x8088 }, + { "GL_TEXTURE_COORD_ARRAY_TYPE_EXT", 0x8089 }, + { "GL_TEXTURE_COORD_ARRAY_STRIDE_EXT", 0x808A }, + { "GL_TEXTURE_COORD_ARRAY_COUNT_EXT", 0x808B }, + { "GL_EDGE_FLAG_ARRAY_STRIDE_EXT", 0x808C }, + { "GL_EDGE_FLAG_ARRAY_COUNT_EXT", 0x808D }, + { "GL_VERTEX_ARRAY_POINTER_EXT", 0x808E }, + { "GL_NORMAL_ARRAY_POINTER_EXT", 0x808F }, + { "GL_COLOR_ARRAY_POINTER_EXT", 0x8090 }, + { "GL_INDEX_ARRAY_POINTER_EXT", 0x8091 }, + { "GL_TEXTURE_COORD_ARRAY_POINTER_EXT", 0x8092 }, + { "GL_EDGE_FLAG_ARRAY_POINTER_EXT", 0x8093 }, + + { "GL_TEXTURE_PRIORITY_EXT", 0x8066 }, + { "GL_TEXTURE_RESIDENT_EXT", 0x8067 }, + { "GL_TEXTURE_1D_BINDING_EXT", 0x8068 }, + { "GL_TEXTURE_2D_BINDING_EXT", 0x8069 }, + + { "GL_PACK_SKIP_IMAGES_EXT", 0x806B }, + { "GL_PACK_IMAGE_HEIGHT_EXT", 0x806C }, + { "GL_UNPACK_SKIP_IMAGES_EXT", 0x806D }, + { "GL_UNPACK_IMAGE_HEIGHT_EXT", 0x806E }, + { "GL_TEXTURE_3D_EXT", 0x806F }, + { "GL_PROXY_TEXTURE_3D_EXT", 0x8070 }, + { "GL_TEXTURE_DEPTH_EXT", 0x8071 }, + { "GL_TEXTURE_WRAP_R_EXT", 0x8072 }, + { "GL_MAX_3D_TEXTURE_SIZE_EXT", 0x8073 }, + { "GL_TEXTURE_3D_BINDING_EXT", 0x806A }, + + { "GL_TABLE_TOO_LARGE_EXT", 0x8031 }, + { "GL_COLOR_TABLE_FORMAT_EXT", 0x80D8 }, + { "GL_COLOR_TABLE_WIDTH_EXT", 0x80D9 }, + { "GL_COLOR_TABLE_RED_SIZE_EXT", 0x80DA }, + { "GL_COLOR_TABLE_GREEN_SIZE_EXT", 0x80DB }, + { "GL_COLOR_TABLE_BLUE_SIZE_EXT", 0x80DC }, + { "GL_COLOR_TABLE_ALPHA_SIZE_EXT", 0x80DD }, + { "GL_COLOR_TABLE_LUMINANCE_SIZE_EXT", 0x80DE }, + { "GL_COLOR_TABLE_INTENSITY_SIZE_EXT", 0x80DF }, + { "GL_TEXTURE_INDEX_SIZE_EXT", 0x80ED }, + { "GL_COLOR_INDEX1_EXT", 0x80E2 }, + { "GL_COLOR_INDEX2_EXT", 0x80E3 }, + { "GL_COLOR_INDEX4_EXT", 0x80E4 }, + { "GL_COLOR_INDEX8_EXT", 0x80E5 }, + { "GL_COLOR_INDEX12_EXT", 0x80E6 }, + { "GL_COLOR_INDEX16_EXT", 0x80E7 }, + + { "GL_SHARED_TEXTURE_PALETTE_EXT", 0x81FB }, + + { "GL_POINT_SIZE_MIN_EXT", 0x8126 }, + { "GL_POINT_SIZE_MAX_EXT", 0x8127 }, + { "GL_POINT_FADE_THRESHOLD_SIZE_EXT", 0x8128 }, + { "GL_DISTANCE_ATTENUATION_EXT", 0x8129 }, + + { "GL_RESCALE_NORMAL_EXT", 0x803A }, + + { "GL_ABGR_EXT", 0x8000 }, + + { "GL_INCR_WRAP_EXT", 0x8507 }, + { "GL_DECR_WRAP_EXT", 0x8508 }, + + { "GL_CLAMP_TO_EDGE_SGIS", 0x812F }, + + { "GL_BLEND_DST_RGB_INGR", 0x80C8 }, + { "GL_BLEND_SRC_RGB_INGR", 0x80C9 }, + { "GL_BLEND_DST_ALPHA_INGR", 0x80CA }, + { "GL_BLEND_SRC_ALPHA_INGR", 0x80CB }, + + { "GL_RESCALE_NORMAL", 0x803A }, + { "GL_CLAMP_TO_EDGE", 0x812F }, + { "GL_MAX_ELEMENTS_VERTICES", 0xF0E8 }, + { "GL_MAX_ELEMENTS_INDICES", 0xF0E9 }, + { "GL_BGR", 0x80E0 }, + { "GL_BGRA", 0x80E1 }, + { "GL_UNSIGNED_BYTE_3_3_2", 0x8032 }, + { "GL_UNSIGNED_BYTE_2_3_3_REV", 0x8362 }, + { "GL_UNSIGNED_SHORT_5_6_5", 0x8363 }, + { "GL_UNSIGNED_SHORT_5_6_5_REV", 0x8364 }, + { "GL_UNSIGNED_SHORT_4_4_4_4", 0x8033 }, + { "GL_UNSIGNED_SHORT_4_4_4_4_REV", 0x8365 }, + { "GL_UNSIGNED_SHORT_5_5_5_1", 0x8034 }, + { "GL_UNSIGNED_SHORT_1_5_5_5_REV", 0x8366 }, + { "GL_UNSIGNED_INT_8_8_8_8", 0x8035 }, + { "GL_UNSIGNED_INT_8_8_8_8_REV", 0x8367 }, + { "GL_UNSIGNED_INT_10_10_10_2", 0x8036 }, + { "GL_UNSIGNED_INT_2_10_10_10_REV", 0x8368 }, + { "GL_LIGHT_MODEL_COLOR_CONTROL", 0x81F8 }, + { "GL_SINGLE_COLOR", 0x81F9 }, + { "GL_SEPARATE_SPECULAR_COLOR", 0x81FA }, + { "GL_TEXTURE_MIN_LOD", 0x813A }, + { "GL_TEXTURE_MAX_LOD", 0x813B }, + { "GL_TEXTURE_BASE_LEVEL", 0x813C }, + { "GL_TEXTURE_MAX_LEVEL", 0x813D }, + + { "GL_TEXTURE0_ARB", 0x84C0 }, + { "GL_TEXTURE1_ARB", 0x84C1 }, + { "GL_TEXTURE2_ARB", 0x84C2 }, + { "GL_TEXTURE3_ARB", 0x84C3 }, + { "GL_ACTIVE_TEXTURE_ARB", 0x84E0 }, + { "GL_CLIENT_ACTIVE_TEXTURE_ARB", 0x84E1 }, + { "GL_MAX_TEXTURE_UNITS_ARB", 0x84E2 }, + + { "GL_OCCLUSION_TEST_HP", 0x8165 }, + { "GL_OCCLUSION_TEST_RESULT_HP", 0x8166 }, + + { "GL_TEXTURE_FILTER_CONTROL_EXT", 0x8500 }, + { "GL_TEXTURE_LOD_BIAS_EXT", 0x8501 }, + + /* GL_ARB_texture_cube_map */ + { "GL_NORMAL_MAP_ARB", 0x8511 }, + { "GL_REFLECTION_MAP_ARB", 0x8512 }, + { "GL_TEXTURE_CUBE_MAP_ARB", 0x8513 }, + { "GL_TEXTURE_BINDING_CUBE_MAP_ARB", 0x8514 }, + { "GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB", 0x8515 }, + { "GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB", 0x8516 }, + { "GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB", 0x8517 }, + { "GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB", 0x8518 }, + { "GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB", 0x8519 }, + { "GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB", 0x851a }, + { "GL_PROXY_TEXTURE_CUBE_MAP_ARB", 0x851b }, + { "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB", 0x851c }, + + { "GL_PREFER_DOUBLEBUFFER_HINT_PGI", 107000 }, + { "GL_STRICT_DEPTHFUNC_HINT_PGI", 107030 }, + { "GL_STRICT_LIGHTING_HINT_PGI", 107031 }, + { "GL_STRICT_SCISSOR_HINT_PGI", 107032 }, + { "GL_FULL_STIPPLE_HINT_PGI", 107033 }, + { "GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI", 107011 }, + { "GL_NATIVE_GRAPHICS_END_HINT_PGI", 107012 }, + { "GL_CONSERVE_MEMORY_HINT_PGI", 107005 }, + { "GL_RECLAIM_MEMORY_HINT_PGI", 107006 }, + { "GL_ALWAYS_FAST_HINT_PGI", 107020 }, + { "GL_ALWAYS_SOFT_HINT_PGI", 107021 }, + { "GL_ALLOW_DRAW_OBJ_HINT_PGI", 107022 }, + { "GL_ALLOW_DRAW_WIN_HINT_PGI", 107023 }, + { "GL_ALLOW_DRAW_FRG_HINT_PGI", 107024 }, + { "GL_ALLOW_DRAW_SPN_HINT_PGI", 107024 }, + { "GL_ALLOW_DRAW_MEM_HINT_PGI", 107025 }, + { "GL_CLIP_NEAR_HINT_PGI", 107040 }, + { "GL_CLIP_FAR_HINT_PGI", 107041 }, + { "GL_WIDE_LINE_HINT_PGI", 107042 }, + { "GL_BACK_NORMALS_HINT_PGI", 107043 }, + { "GL_NATIVE_GRAPHICS_HANDLE_PGI", 107010 }, + + /* GL_EXT_compiled_vertex_array */ + { "GL_ARRAY_ELEMENT_LOCK_FIRST_EXT", 0x81A8}, + { "GL_ARRAY_ELEMENT_LOCK_COUNT_EXT", 0x81A9}, + + /* GL_EXT_clip_volume_hint */ + { "GL_CLIP_VOLUME_CLIPPING_HINT_EXT", 0x80F0}, + + /* GL_EXT_texture_env_combine */ + { "GL_COMBINE_EXT", 0x8570 }, + { "GL_COMBINE_RGB_EXT", 0x8571 }, + { "GL_COMBINE_ALPHA_EXT", 0x8572 }, + { "GL_SOURCE0_RGB_EXT", 0x8580 }, + { "GL_SOURCE1_RGB_EXT", 0x8581 }, + { "GL_SOURCE2_RGB_EXT", 0x8582 }, + { "GL_SOURCE0_ALPHA_EXT", 0x8588 }, + { "GL_SOURCE1_ALPHA_EXT", 0x8589 }, + { "GL_SOURCE2_ALPHA_EXT", 0x858A }, + { "GL_OPERAND0_RGB_EXT", 0x8590 }, + { "GL_OPERAND1_RGB_EXT", 0x8591 }, + { "GL_OPERAND2_RGB_EXT", 0x8592 }, + { "GL_OPERAND0_ALPHA_EXT", 0x8598 }, + { "GL_OPERAND1_ALPHA_EXT", 0x8599 }, + { "GL_OPERAND2_ALPHA_EXT", 0x859A }, + { "GL_RGB_SCALE_EXT", 0x8573 }, + { "GL_ADD_SIGNED_EXT", 0x8574 }, + { "GL_INTERPOLATE_EXT", 0x8575 }, + { "GL_CONSTANT_EXT", 0x8576 }, + { "GL_PRIMARY_COLOR_EXT", 0x8577 }, + { "GL_PREVIOUS_EXT", 0x8578 }, + + /* GL_ARB_texture_env_combine */ + { "GL_SUBTRACT_ARB", 0x84E7 }, + + /* GL_EXT_texture_env_dot3 */ + { "GL_DOT3_RGB_EXT", 0x8740 }, + { "GL_DOT3_RGBA_EXT", 0x8741 }, + + /* GL_ARB_texture_env_dot3 */ + { "GL_DOT3_RGB_ARB", 0x86ae }, + { "GL_DOT3_RGBA_ARB", 0x86af }, + + /* GL_ARB_texture_border_clamp */ + { "GL_CLAMP_TO_BORDER_ARB", 0x812D }, + + /* GL_ATI_texture_env_combine3 */ + { "GL_MODULATE_ADD_ATI", 0x8744 }, + { "GL_MODULATE_SIGNED_ADD_ATI", 0x8745 }, + { "GL_MODULATE_SUBTRACT_ATI", 0x8746 }, + + /* GL_ARB_texture_compression */ + { "GL_COMPRESSED_ALPHA_ARB", 0x84E9 }, + { "GL_COMPRESSED_LUMINANCE_ARB", 0x84EA }, + { "GL_COMPRESSED_LUMINANCE_ALPHA_ARB", 0x84EB }, + { "GL_COMPRESSED_INTENSITY_ARB", 0x84EC }, + { "GL_COMPRESSED_RGB_ARB", 0x84ED }, + { "GL_COMPRESSED_RGBA_ARB", 0x84EE }, + { "GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB", 0x86A0 }, + { "GL_TEXTURE_COMPRESSED_ARB", 0x86A1 }, + { "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB", 0x86A2 }, + { "GL_COMPRESSED_TEXTURE_FORMATS_ARB", 0x86A3 }, + + /* GL_EXT_texture_compression_s3tc */ + { "GL_COMPRESSED_RGB_S3TC_DXT1_EXT", 0x83F0 }, + { "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT", 0x83F1 }, + { "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT", 0x83F2 }, + { "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT", 0x83F3 }, + + /* GL_S3_s3tc */ + { "GL_RGB_S3TC", 0x83A0 }, + { "GL_RGB4_S3TC", 0x83A1 }, + { "GL_RGBA_S3TC", 0x83A2 }, + { "GL_RGBA4_S3TC", 0x83A3 }, + + /* GL_3DFX_texture_compression_FXT1 */ + { "GL_COMPRESSED_RGB_FXT1_3DFX", 0x86B0 }, + { "GL_COMPRESSED_RGBA_FXT1_3DFX", 0x86B1 }, +}; + +#define Elements(x) sizeof(x)/sizeof(*x) + +typedef int (GLWINAPIV *cfunc)(const void *, const void *); + +static enum_elt **index1 = 0; +static int sorted = 0; + +static int compar_name( const enum_elt *a, const enum_elt *b ) +{ + return _mesa_strcmp(a->c, b->c); +} + + +/* note the extra level of indirection + */ +static int compar_nr( const enum_elt **a, const enum_elt **b ) +{ + return (*a)->n - (*b)->n; +} + + +static void sort_enums( void ) +{ + GLuint i; + index1 = (enum_elt **)MALLOC( Elements(all_enums) * sizeof(enum_elt *) ); + sorted = 1; + + if (!index1) + return; /* what else can we do? */ + + qsort( all_enums, Elements(all_enums), sizeof(*all_enums), + (cfunc) compar_name ); + + for (i = 0 ; i < Elements(all_enums) ; i++) + index1[i] = &all_enums[i]; + + qsort( index1, Elements(all_enums), sizeof(*index1), (cfunc) compar_nr ); +} + + + +int _mesa_lookup_enum_by_name( const char *symbol ) +{ + enum_elt tmp; + enum_elt *e; + + if (!sorted) + sort_enums(); + + if (!symbol) + return 0; + + tmp.c = symbol; + e = (enum_elt *)bsearch( &tmp, all_enums, Elements(all_enums), + sizeof(*all_enums), (cfunc) compar_name ); + + return e ? e->n : -1; +} + + +static char token_tmp[20]; + +const char *_mesa_lookup_enum_by_nr( int nr ) +{ + enum_elt tmp, *e, **f; + + if (!sorted) + sort_enums(); + + tmp.n = nr; + e = &tmp; + + f = (enum_elt **)bsearch( &e, index1, Elements(all_enums), + sizeof(*index1), (cfunc) compar_nr ); + + if (f) { + return (*f)->c; + } + else { + /* this isn't re-entrant safe, no big deal here */ + _mesa_sprintf(token_tmp, "0x%x", nr); + return token_tmp; + } +} diff --git a/src/mesa/main/enums.h b/src/mesa/main/enums.h new file mode 100644 index 0000000..7e8d4ee --- /dev/null +++ b/src/mesa/main/enums.h @@ -0,0 +1,55 @@ +/** + * \file enums.h + * Enumeration name/number lookup functions. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +/* $XFree86: xc/extras/Mesa/src/mesa/main/enums.h,v 1.2 2004/06/23 19:40:14 tsi Exp $ */ + +#ifndef _ENUMS_H_ +#define _ENUMS_H_ + + +#if defined(_HAVE_FULL_GL) && _HAVE_FULL_GL + +extern const char *_mesa_lookup_enum_by_nr( int nr ); +extern int _mesa_lookup_enum_by_name( const char *symbol ); + +#else + +/** No-op */ +#define _mesa_lookup_enum_by_name( s ) 0 + +/** No-op */ +#define _mesa_lookup_enum_by_nr( n ) "unknown" + +#endif + +#endif diff --git a/src/mesa/main/eval.c b/src/mesa/main/eval.c new file mode 100644 index 0000000..3f89f9c --- /dev/null +++ b/src/mesa/main/eval.c @@ -0,0 +1,962 @@ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * eval.c was written by + * Bernd Barsuhn (bdbarsuh@cip.informatik.uni-erlangen.de) and + * Volker Weiss (vrweiss@cip.informatik.uni-erlangen.de). + * + * My original implementation of evaluators was simplistic and didn't + * compute surface normal vectors properly. Bernd and Volker applied + * used more sophisticated methods to get better results. + * + * Thanks guys! + */ + + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "context.h" +#include "eval.h" +#include "macros.h" +#include "mtypes.h" + + +/* + * Return the number of components per control point for any type of + * evaluator. Return 0 if bad target. + * See table 5.1 in the OpenGL 1.2 spec. + */ +GLuint _mesa_evaluator_components( GLenum target ) +{ + switch (target) { + case GL_MAP1_VERTEX_3: return 3; + case GL_MAP1_VERTEX_4: return 4; + case GL_MAP1_INDEX: return 1; + case GL_MAP1_COLOR_4: return 4; + case GL_MAP1_NORMAL: return 3; + case GL_MAP1_TEXTURE_COORD_1: return 1; + case GL_MAP1_TEXTURE_COORD_2: return 2; + case GL_MAP1_TEXTURE_COORD_3: return 3; + case GL_MAP1_TEXTURE_COORD_4: return 4; + case GL_MAP2_VERTEX_3: return 3; + case GL_MAP2_VERTEX_4: return 4; + case GL_MAP2_INDEX: return 1; + case GL_MAP2_COLOR_4: return 4; + case GL_MAP2_NORMAL: return 3; + case GL_MAP2_TEXTURE_COORD_1: return 1; + case GL_MAP2_TEXTURE_COORD_2: return 2; + case GL_MAP2_TEXTURE_COORD_3: return 3; + case GL_MAP2_TEXTURE_COORD_4: return 4; + default: break; + } + + /* XXX need to check for the vertex program extension + if (!ctx->Extensions.NV_vertex_program) + return 0; + */ + + if (target >= GL_MAP1_VERTEX_ATTRIB0_4_NV && + target <= GL_MAP1_VERTEX_ATTRIB15_4_NV) + return 4; + + if (target >= GL_MAP2_VERTEX_ATTRIB0_4_NV && + target <= GL_MAP2_VERTEX_ATTRIB15_4_NV) + return 4; + + return 0; +} + + +/* + * Return pointer to the gl_1d_map struct for the named target. + */ +static struct gl_1d_map * +get_1d_map( GLcontext *ctx, GLenum target ) +{ + switch (target) { + case GL_MAP1_VERTEX_3: + return &ctx->EvalMap.Map1Vertex3; + case GL_MAP1_VERTEX_4: + return &ctx->EvalMap.Map1Vertex4; + case GL_MAP1_INDEX: + return &ctx->EvalMap.Map1Index; + case GL_MAP1_COLOR_4: + return &ctx->EvalMap.Map1Color4; + case GL_MAP1_NORMAL: + return &ctx->EvalMap.Map1Normal; + case GL_MAP1_TEXTURE_COORD_1: + return &ctx->EvalMap.Map1Texture1; + case GL_MAP1_TEXTURE_COORD_2: + return &ctx->EvalMap.Map1Texture2; + case GL_MAP1_TEXTURE_COORD_3: + return &ctx->EvalMap.Map1Texture3; + case GL_MAP1_TEXTURE_COORD_4: + return &ctx->EvalMap.Map1Texture4; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + if (!ctx->Extensions.NV_vertex_program) + return NULL; + return &ctx->EvalMap.Map1Attrib[target - GL_MAP1_VERTEX_ATTRIB0_4_NV]; + default: + return NULL; + } +} + + +/* + * Return pointer to the gl_2d_map struct for the named target. + */ +static struct gl_2d_map * +get_2d_map( GLcontext *ctx, GLenum target ) +{ + switch (target) { + case GL_MAP2_VERTEX_3: + return &ctx->EvalMap.Map2Vertex3; + case GL_MAP2_VERTEX_4: + return &ctx->EvalMap.Map2Vertex4; + case GL_MAP2_INDEX: + return &ctx->EvalMap.Map2Index; + case GL_MAP2_COLOR_4: + return &ctx->EvalMap.Map2Color4; + case GL_MAP2_NORMAL: + return &ctx->EvalMap.Map2Normal; + case GL_MAP2_TEXTURE_COORD_1: + return &ctx->EvalMap.Map2Texture1; + case GL_MAP2_TEXTURE_COORD_2: + return &ctx->EvalMap.Map2Texture2; + case GL_MAP2_TEXTURE_COORD_3: + return &ctx->EvalMap.Map2Texture3; + case GL_MAP2_TEXTURE_COORD_4: + return &ctx->EvalMap.Map2Texture4; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + if (!ctx->Extensions.NV_vertex_program) + return NULL; + return &ctx->EvalMap.Map2Attrib[target - GL_MAP2_VERTEX_ATTRIB0_4_NV]; + default: + return NULL; + } +} + + +/**********************************************************************/ +/*** Copy and deallocate control points ***/ +/**********************************************************************/ + + +/* + * Copy 1-parametric evaluator control points from user-specified + * memory space to a buffer of contiguous control points. + * \param see glMap1f for details + * \return pointer to buffer of contiguous control points or NULL if out + * of memory. + */ +GLfloat *_mesa_copy_map_points1f( GLenum target, GLint ustride, GLint uorder, + const GLfloat *points ) +{ + GLfloat *buffer, *p; + GLint i, k, size = _mesa_evaluator_components(target); + + if (!points || !size) + return NULL; + + buffer = (GLfloat *) MALLOC(uorder * size * sizeof(GLfloat)); + + if (buffer) + for (i = 0, p = buffer; i < uorder; i++, points += ustride) + for (k = 0; k < size; k++) + *p++ = points[k]; + + return buffer; +} + + + +/* + * Same as above but convert doubles to floats. + */ +GLfloat *_mesa_copy_map_points1d( GLenum target, GLint ustride, GLint uorder, + const GLdouble *points ) +{ + GLfloat *buffer, *p; + GLint i, k, size = _mesa_evaluator_components(target); + + if (!points || !size) + return NULL; + + buffer = (GLfloat *) MALLOC(uorder * size * sizeof(GLfloat)); + + if (buffer) + for (i = 0, p = buffer; i < uorder; i++, points += ustride) + for (k = 0; k < size; k++) + *p++ = (GLfloat) points[k]; + + return buffer; +} + + + +/* + * Copy 2-parametric evaluator control points from user-specified + * memory space to a buffer of contiguous control points. + * Additional memory is allocated to be used by the horner and + * de Casteljau evaluation schemes. + * + * \param see glMap2f for details + * \return pointer to buffer of contiguous control points or NULL if out + * of memory. + */ +GLfloat *_mesa_copy_map_points2f( GLenum target, + GLint ustride, GLint uorder, + GLint vstride, GLint vorder, + const GLfloat *points ) +{ + GLfloat *buffer, *p; + GLint i, j, k, size, dsize, hsize; + GLint uinc; + + size = _mesa_evaluator_components(target); + + if (!points || size==0) { + return NULL; + } + + /* max(uorder, vorder) additional points are used in */ + /* horner evaluation and uorder*vorder additional */ + /* values are needed for de Casteljau */ + dsize = (uorder == 2 && vorder == 2)? 0 : uorder*vorder; + hsize = (uorder > vorder ? uorder : vorder)*size; + + if(hsize>dsize) + buffer = (GLfloat *) MALLOC((uorder*vorder*size+hsize)*sizeof(GLfloat)); + else + buffer = (GLfloat *) MALLOC((uorder*vorder*size+dsize)*sizeof(GLfloat)); + + /* compute the increment value for the u-loop */ + uinc = ustride - vorder*vstride; + + if (buffer) + for (i=0, p=buffer; i<uorder; i++, points += uinc) + for (j=0; j<vorder; j++, points += vstride) + for (k=0; k<size; k++) + *p++ = points[k]; + + return buffer; +} + + + +/* + * Same as above but convert doubles to floats. + */ +GLfloat *_mesa_copy_map_points2d(GLenum target, + GLint ustride, GLint uorder, + GLint vstride, GLint vorder, + const GLdouble *points ) +{ + GLfloat *buffer, *p; + GLint i, j, k, size, hsize, dsize; + GLint uinc; + + size = _mesa_evaluator_components(target); + + if (!points || size==0) { + return NULL; + } + + /* max(uorder, vorder) additional points are used in */ + /* horner evaluation and uorder*vorder additional */ + /* values are needed for de Casteljau */ + dsize = (uorder == 2 && vorder == 2)? 0 : uorder*vorder; + hsize = (uorder > vorder ? uorder : vorder)*size; + + if(hsize>dsize) + buffer = (GLfloat *) MALLOC((uorder*vorder*size+hsize)*sizeof(GLfloat)); + else + buffer = (GLfloat *) MALLOC((uorder*vorder*size+dsize)*sizeof(GLfloat)); + + /* compute the increment value for the u-loop */ + uinc = ustride - vorder*vstride; + + if (buffer) + for (i=0, p=buffer; i<uorder; i++, points += uinc) + for (j=0; j<vorder; j++, points += vstride) + for (k=0; k<size; k++) + *p++ = (GLfloat) points[k]; + + return buffer; +} + + + + +/**********************************************************************/ +/*** API entry points ***/ +/**********************************************************************/ + + +/* + * This does the work of glMap1[fd]. + */ +static void +map1(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, + GLint uorder, const GLvoid *points, GLenum type ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint k; + GLfloat *pnts; + struct gl_1d_map *map = NULL; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + ASSERT(type == GL_FLOAT || type == GL_DOUBLE); + + if (u1 == u2) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(u1,u2)" ); + return; + } + if (uorder < 1 || uorder > MAX_EVAL_ORDER) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(order)" ); + return; + } + if (!points) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(points)" ); + return; + } + + k = _mesa_evaluator_components( target ); + if (k == 0) { + _mesa_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); + } + + if (ustride < k) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(stride)" ); + return; + } + + if (ctx->Texture.CurrentUnit != 0) { + /* See OpenGL 1.2.1 spec, section F.2.13 */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glMap2(ACTIVE_TEXTURE != 0)" ); + return; + } + + map = get_1d_map(ctx, target); + if (!map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); + return; + } + + /* make copy of the control points */ + if (type == GL_FLOAT) + pnts = _mesa_copy_map_points1f(target, ustride, uorder, (GLfloat*) points); + else + pnts = _mesa_copy_map_points1d(target, ustride, uorder, (GLdouble*) points); + + + FLUSH_VERTICES(ctx, _NEW_EVAL); + map->Order = uorder; + map->u1 = u1; + map->u2 = u2; + map->du = 1.0F / (u2 - u1); + if (map->Points) + FREE( map->Points ); + map->Points = pnts; +} + + + +void GLAPIENTRY +_mesa_Map1f( GLenum target, GLfloat u1, GLfloat u2, GLint stride, + GLint order, const GLfloat *points ) +{ + map1(target, u1, u2, stride, order, points, GL_FLOAT); +} + + +void GLAPIENTRY +_mesa_Map1d( GLenum target, GLdouble u1, GLdouble u2, GLint stride, + GLint order, const GLdouble *points ) +{ + map1(target, (GLfloat) u1, (GLfloat) u2, stride, order, points, GL_DOUBLE); +} + + +static void +map2( GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLvoid *points, GLenum type ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint k; + GLfloat *pnts; + struct gl_2d_map *map = NULL; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + ASSERT(type == GL_FLOAT || type == GL_DOUBLE); + + if (u1==u2) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(u1,u2)" ); + return; + } + + if (v1==v2) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(v1,v2)" ); + return; + } + + if (uorder<1 || uorder>MAX_EVAL_ORDER) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(uorder)" ); + return; + } + + if (vorder<1 || vorder>MAX_EVAL_ORDER) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(vorder)" ); + return; + } + + k = _mesa_evaluator_components( target ); + if (k==0) { + _mesa_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); + } + + if (ustride < k) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(ustride)" ); + return; + } + if (vstride < k) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(vstride)" ); + return; + } + + if (ctx->Texture.CurrentUnit != 0) { + /* See OpenGL 1.2.1 spec, section F.2.13 */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glMap2(ACTIVE_TEXTURE != 0)" ); + return; + } + + map = get_2d_map(ctx, target); + if (!map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); + return; + } + + /* make copy of the control points */ + if (type == GL_FLOAT) + pnts = _mesa_copy_map_points2f(target, ustride, uorder, + vstride, vorder, (GLfloat*) points); + else + pnts = _mesa_copy_map_points2d(target, ustride, uorder, + vstride, vorder, (GLdouble*) points); + + + FLUSH_VERTICES(ctx, _NEW_EVAL); + map->Uorder = uorder; + map->u1 = u1; + map->u2 = u2; + map->du = 1.0F / (u2 - u1); + map->Vorder = vorder; + map->v1 = v1; + map->v2 = v2; + map->dv = 1.0F / (v2 - v1); + if (map->Points) + FREE( map->Points ); + map->Points = pnts; +} + + +void GLAPIENTRY +_mesa_Map2f( GLenum target, + GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLfloat *points) +{ + map2(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, + points, GL_FLOAT); +} + + +void GLAPIENTRY +_mesa_Map2d( GLenum target, + GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, + GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, + const GLdouble *points ) +{ + map2(target, (GLfloat) u1, (GLfloat) u2, ustride, uorder, + (GLfloat) v1, (GLfloat) v2, vstride, vorder, points, GL_DOUBLE); +} + + + +void GLAPIENTRY +_mesa_GetMapdv( GLenum target, GLenum query, GLdouble *v ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_1d_map *map1d; + struct gl_2d_map *map2d; + GLint i, n; + GLfloat *data; + GLuint comps; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + comps = _mesa_evaluator_components(target); + if (!comps) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapdv(target)" ); + return; + } + + map1d = get_1d_map(ctx, target); + map2d = get_2d_map(ctx, target); + ASSERT(map1d || map2d); + + switch (query) { + case GL_COEFF: + if (map1d) { + data = map1d->Points; + n = map1d->Order * comps; + } + else { + data = map2d->Points; + n = map2d->Uorder * map2d->Vorder * comps; + } + if (data) { + for (i=0;i<n;i++) { + v[i] = data[i]; + } + } + break; + case GL_ORDER: + if (map1d) { + v[0] = (GLdouble) map1d->Order; + } + else { + v[0] = (GLdouble) map2d->Uorder; + v[1] = (GLdouble) map2d->Vorder; + } + break; + case GL_DOMAIN: + if (map1d) { + v[0] = (GLdouble) map1d->u1; + v[1] = (GLdouble) map1d->u2; + } + else { + v[0] = (GLdouble) map2d->u1; + v[1] = (GLdouble) map2d->u2; + v[2] = (GLdouble) map2d->v1; + v[3] = (GLdouble) map2d->v2; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapdv(query)" ); + } +} + + +void GLAPIENTRY +_mesa_GetMapfv( GLenum target, GLenum query, GLfloat *v ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_1d_map *map1d; + struct gl_2d_map *map2d; + GLint i, n; + GLfloat *data; + GLuint comps; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + comps = _mesa_evaluator_components(target); + if (!comps) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapfv(target)" ); + return; + } + + map1d = get_1d_map(ctx, target); + map2d = get_2d_map(ctx, target); + ASSERT(map1d || map2d); + + switch (query) { + case GL_COEFF: + if (map1d) { + data = map1d->Points; + n = map1d->Order * comps; + } + else { + data = map2d->Points; + n = map2d->Uorder * map2d->Vorder * comps; + } + if (data) { + for (i=0;i<n;i++) { + v[i] = data[i]; + } + } + break; + case GL_ORDER: + if (map1d) { + v[0] = (GLfloat) map1d->Order; + } + else { + v[0] = (GLfloat) map2d->Uorder; + v[1] = (GLfloat) map2d->Vorder; + } + break; + case GL_DOMAIN: + if (map1d) { + v[0] = map1d->u1; + v[1] = map1d->u2; + } + else { + v[0] = map2d->u1; + v[1] = map2d->u2; + v[2] = map2d->v1; + v[3] = map2d->v2; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapfv(query)" ); + } +} + + +void GLAPIENTRY +_mesa_GetMapiv( GLenum target, GLenum query, GLint *v ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_1d_map *map1d; + struct gl_2d_map *map2d; + GLuint i, n; + GLfloat *data; + GLuint comps; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + comps = _mesa_evaluator_components(target); + if (!comps) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapiv(target)" ); + return; + } + + map1d = get_1d_map(ctx, target); + map2d = get_2d_map(ctx, target); + ASSERT(map1d || map2d); + + switch (query) { + case GL_COEFF: + if (map1d) { + data = map1d->Points; + n = map1d->Order * comps; + } + else { + data = map2d->Points; + n = map2d->Uorder * map2d->Vorder * comps; + } + if (data) { + for (i=0;i<n;i++) { + v[i] = IROUND(data[i]); + } + } + break; + case GL_ORDER: + if (map1d) { + v[0] = map1d->Order; + } + else { + v[0] = map2d->Uorder; + v[1] = map2d->Vorder; + } + break; + case GL_DOMAIN: + if (map1d) { + v[0] = IROUND(map1d->u1); + v[1] = IROUND(map1d->u2); + } + else { + v[0] = IROUND(map2d->u1); + v[1] = IROUND(map2d->u2); + v[2] = IROUND(map2d->v1); + v[3] = IROUND(map2d->v2); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapiv(query)" ); + } +} + + + +void GLAPIENTRY +_mesa_MapGrid1f( GLint un, GLfloat u1, GLfloat u2 ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (un<1) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid1f" ); + return; + } + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.MapGrid1un = un; + ctx->Eval.MapGrid1u1 = u1; + ctx->Eval.MapGrid1u2 = u2; + ctx->Eval.MapGrid1du = (u2 - u1) / (GLfloat) un; +} + + +void GLAPIENTRY +_mesa_MapGrid1d( GLint un, GLdouble u1, GLdouble u2 ) +{ + _mesa_MapGrid1f( un, (GLfloat) u1, (GLfloat) u2 ); +} + + +void GLAPIENTRY +_mesa_MapGrid2f( GLint un, GLfloat u1, GLfloat u2, + GLint vn, GLfloat v1, GLfloat v2 ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (un<1) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid2f(un)" ); + return; + } + if (vn<1) { + _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid2f(vn)" ); + return; + } + + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.MapGrid2un = un; + ctx->Eval.MapGrid2u1 = u1; + ctx->Eval.MapGrid2u2 = u2; + ctx->Eval.MapGrid2du = (u2 - u1) / (GLfloat) un; + ctx->Eval.MapGrid2vn = vn; + ctx->Eval.MapGrid2v1 = v1; + ctx->Eval.MapGrid2v2 = v2; + ctx->Eval.MapGrid2dv = (v2 - v1) / (GLfloat) vn; +} + + +void GLAPIENTRY +_mesa_MapGrid2d( GLint un, GLdouble u1, GLdouble u2, + GLint vn, GLdouble v1, GLdouble v2 ) +{ + _mesa_MapGrid2f( un, (GLfloat) u1, (GLfloat) u2, + vn, (GLfloat) v1, (GLfloat) v2 ); +} + + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +/** + * Initialize a 1-D evaluator map. + */ +static void +init_1d_map( struct gl_1d_map *map, int n, const float *initial ) +{ + map->Order = 1; + map->u1 = 0.0; + map->u2 = 1.0; + map->Points = (GLfloat *) MALLOC(n * sizeof(GLfloat)); + if (map->Points) { + GLint i; + for (i=0;i<n;i++) + map->Points[i] = initial[i]; + } +} + + +/** + * Initialize a 2-D evaluator map + */ +static void +init_2d_map( struct gl_2d_map *map, int n, const float *initial ) +{ + map->Uorder = 1; + map->Vorder = 1; + map->u1 = 0.0; + map->u2 = 1.0; + map->v1 = 0.0; + map->v2 = 1.0; + map->Points = (GLfloat *) MALLOC(n * sizeof(GLfloat)); + if (map->Points) { + GLint i; + for (i=0;i<n;i++) + map->Points[i] = initial[i]; + } +} + + +void _mesa_init_eval( GLcontext *ctx ) +{ + int i; + + /* Evaluators group */ + ctx->Eval.Map1Color4 = GL_FALSE; + ctx->Eval.Map1Index = GL_FALSE; + ctx->Eval.Map1Normal = GL_FALSE; + ctx->Eval.Map1TextureCoord1 = GL_FALSE; + ctx->Eval.Map1TextureCoord2 = GL_FALSE; + ctx->Eval.Map1TextureCoord3 = GL_FALSE; + ctx->Eval.Map1TextureCoord4 = GL_FALSE; + ctx->Eval.Map1Vertex3 = GL_FALSE; + ctx->Eval.Map1Vertex4 = GL_FALSE; + MEMSET(ctx->Eval.Map1Attrib, 0, sizeof(ctx->Eval.Map1Attrib)); + ctx->Eval.Map2Color4 = GL_FALSE; + ctx->Eval.Map2Index = GL_FALSE; + ctx->Eval.Map2Normal = GL_FALSE; + ctx->Eval.Map2TextureCoord1 = GL_FALSE; + ctx->Eval.Map2TextureCoord2 = GL_FALSE; + ctx->Eval.Map2TextureCoord3 = GL_FALSE; + ctx->Eval.Map2TextureCoord4 = GL_FALSE; + ctx->Eval.Map2Vertex3 = GL_FALSE; + ctx->Eval.Map2Vertex4 = GL_FALSE; + MEMSET(ctx->Eval.Map2Attrib, 0, sizeof(ctx->Eval.Map2Attrib)); + ctx->Eval.AutoNormal = GL_FALSE; + ctx->Eval.MapGrid1un = 1; + ctx->Eval.MapGrid1u1 = 0.0; + ctx->Eval.MapGrid1u2 = 1.0; + ctx->Eval.MapGrid2un = 1; + ctx->Eval.MapGrid2vn = 1; + ctx->Eval.MapGrid2u1 = 0.0; + ctx->Eval.MapGrid2u2 = 1.0; + ctx->Eval.MapGrid2v1 = 0.0; + ctx->Eval.MapGrid2v2 = 1.0; + + /* Evaluator data */ + { + static GLfloat vertex[4] = { 0.0, 0.0, 0.0, 1.0 }; + static GLfloat normal[3] = { 0.0, 0.0, 1.0 }; + static GLfloat index[1] = { 1.0 }; + static GLfloat color[4] = { 1.0, 1.0, 1.0, 1.0 }; + static GLfloat texcoord[4] = { 0.0, 0.0, 0.0, 1.0 }; + static GLfloat attrib[4] = { 0.0, 0.0, 0.0, 1.0 }; + + init_1d_map( &ctx->EvalMap.Map1Vertex3, 3, vertex ); + init_1d_map( &ctx->EvalMap.Map1Vertex4, 4, vertex ); + init_1d_map( &ctx->EvalMap.Map1Index, 1, index ); + init_1d_map( &ctx->EvalMap.Map1Color4, 4, color ); + init_1d_map( &ctx->EvalMap.Map1Normal, 3, normal ); + init_1d_map( &ctx->EvalMap.Map1Texture1, 1, texcoord ); + init_1d_map( &ctx->EvalMap.Map1Texture2, 2, texcoord ); + init_1d_map( &ctx->EvalMap.Map1Texture3, 3, texcoord ); + init_1d_map( &ctx->EvalMap.Map1Texture4, 4, texcoord ); + for (i = 0; i < 16; i++) + init_1d_map( ctx->EvalMap.Map1Attrib + i, 4, attrib ); + + init_2d_map( &ctx->EvalMap.Map2Vertex3, 3, vertex ); + init_2d_map( &ctx->EvalMap.Map2Vertex4, 4, vertex ); + init_2d_map( &ctx->EvalMap.Map2Index, 1, index ); + init_2d_map( &ctx->EvalMap.Map2Color4, 4, color ); + init_2d_map( &ctx->EvalMap.Map2Normal, 3, normal ); + init_2d_map( &ctx->EvalMap.Map2Texture1, 1, texcoord ); + init_2d_map( &ctx->EvalMap.Map2Texture2, 2, texcoord ); + init_2d_map( &ctx->EvalMap.Map2Texture3, 3, texcoord ); + init_2d_map( &ctx->EvalMap.Map2Texture4, 4, texcoord ); + for (i = 0; i < 16; i++) + init_2d_map( ctx->EvalMap.Map2Attrib + i, 4, attrib ); + } +} + + +void _mesa_free_eval_data( GLcontext *ctx ) +{ + int i; + + /* Free evaluator data */ + if (ctx->EvalMap.Map1Vertex3.Points) + FREE( ctx->EvalMap.Map1Vertex3.Points ); + if (ctx->EvalMap.Map1Vertex4.Points) + FREE( ctx->EvalMap.Map1Vertex4.Points ); + if (ctx->EvalMap.Map1Index.Points) + FREE( ctx->EvalMap.Map1Index.Points ); + if (ctx->EvalMap.Map1Color4.Points) + FREE( ctx->EvalMap.Map1Color4.Points ); + if (ctx->EvalMap.Map1Normal.Points) + FREE( ctx->EvalMap.Map1Normal.Points ); + if (ctx->EvalMap.Map1Texture1.Points) + FREE( ctx->EvalMap.Map1Texture1.Points ); + if (ctx->EvalMap.Map1Texture2.Points) + FREE( ctx->EvalMap.Map1Texture2.Points ); + if (ctx->EvalMap.Map1Texture3.Points) + FREE( ctx->EvalMap.Map1Texture3.Points ); + if (ctx->EvalMap.Map1Texture4.Points) + FREE( ctx->EvalMap.Map1Texture4.Points ); + for (i = 0; i < 16; i++) + FREE((ctx->EvalMap.Map1Attrib[i].Points)); + + if (ctx->EvalMap.Map2Vertex3.Points) + FREE( ctx->EvalMap.Map2Vertex3.Points ); + if (ctx->EvalMap.Map2Vertex4.Points) + FREE( ctx->EvalMap.Map2Vertex4.Points ); + if (ctx->EvalMap.Map2Index.Points) + FREE( ctx->EvalMap.Map2Index.Points ); + if (ctx->EvalMap.Map2Color4.Points) + FREE( ctx->EvalMap.Map2Color4.Points ); + if (ctx->EvalMap.Map2Normal.Points) + FREE( ctx->EvalMap.Map2Normal.Points ); + if (ctx->EvalMap.Map2Texture1.Points) + FREE( ctx->EvalMap.Map2Texture1.Points ); + if (ctx->EvalMap.Map2Texture2.Points) + FREE( ctx->EvalMap.Map2Texture2.Points ); + if (ctx->EvalMap.Map2Texture3.Points) + FREE( ctx->EvalMap.Map2Texture3.Points ); + if (ctx->EvalMap.Map2Texture4.Points) + FREE( ctx->EvalMap.Map2Texture4.Points ); + for (i = 0; i < 16; i++) + FREE((ctx->EvalMap.Map2Attrib[i].Points)); +} diff --git a/src/mesa/main/eval.h b/src/mesa/main/eval.h new file mode 100644 index 0000000..b3ff0a9 --- /dev/null +++ b/src/mesa/main/eval.h @@ -0,0 +1,128 @@ +/** + * \file eval.h + * Eval operations. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef EVAL_H +#define EVAL_H + + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void _mesa_init_eval( GLcontext *ctx ); +extern void _mesa_free_eval_data( GLcontext *ctx ); + + +extern GLuint _mesa_evaluator_components( GLenum target ); + + +extern void gl_free_control_points( GLcontext *ctx, + GLenum target, GLfloat *data ); + + +extern GLfloat *_mesa_copy_map_points1f( GLenum target, + GLint ustride, GLint uorder, + const GLfloat *points ); + +extern GLfloat *_mesa_copy_map_points1d( GLenum target, + GLint ustride, GLint uorder, + const GLdouble *points ); + +extern GLfloat *_mesa_copy_map_points2f( GLenum target, + GLint ustride, GLint uorder, + GLint vstride, GLint vorder, + const GLfloat *points ); + +extern GLfloat *_mesa_copy_map_points2d(GLenum target, + GLint ustride, GLint uorder, + GLint vstride, GLint vorder, + const GLdouble *points ); + + + +extern void GLAPIENTRY +_mesa_Map1f( GLenum target, GLfloat u1, GLfloat u2, GLint stride, + GLint order, const GLfloat *points ); + +extern void GLAPIENTRY +_mesa_Map2f( GLenum target, + GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLfloat *points ); + +extern void GLAPIENTRY +_mesa_Map1d( GLenum target, GLdouble u1, GLdouble u2, GLint stride, + GLint order, const GLdouble *points ); + +extern void GLAPIENTRY +_mesa_Map2d( GLenum target, + GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, + GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, + const GLdouble *points ); + +extern void GLAPIENTRY +_mesa_MapGrid1f( GLint un, GLfloat u1, GLfloat u2 ); + +extern void GLAPIENTRY +_mesa_MapGrid1d( GLint un, GLdouble u1, GLdouble u2 ); + +extern void GLAPIENTRY +_mesa_MapGrid2f( GLint un, GLfloat u1, GLfloat u2, + GLint vn, GLfloat v1, GLfloat v2 ); + +extern void GLAPIENTRY +_mesa_MapGrid2d( GLint un, GLdouble u1, GLdouble u2, + GLint vn, GLdouble v1, GLdouble v2 ); + +extern void GLAPIENTRY +_mesa_GetMapdv( GLenum target, GLenum query, GLdouble *v ); + +extern void GLAPIENTRY +_mesa_GetMapfv( GLenum target, GLenum query, GLfloat *v ); + +extern void GLAPIENTRY +_mesa_GetMapiv( GLenum target, GLenum query, GLint *v ); + +#else + +/** No-op */ +#define _mesa_init_eval( c ) ((void)0) + +/** No-op */ +#define _mesa_free_eval_data( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c new file mode 100644 index 0000000..efdee0c --- /dev/null +++ b/src/mesa/main/extensions.c @@ -0,0 +1,461 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "extensions.h" +#include "simple_list.h" +#include "mtypes.h" + + +#define F(x) (int)(unsigned long)&(((struct gl_extensions *)0)->x) +#define ON GL_TRUE +#define OFF GL_FALSE + + +/* + * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions. + */ +static const struct { + GLboolean enabled; + const char *name; + int flag_offset; +} default_extensions[] = { + { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) }, + { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) }, + { OFF, "GL_MESAX_half_float_pixel", F(ARB_half_float_pixel) }, + { OFF, "GL_ARB_imaging", F(ARB_imaging) }, + { OFF, "GL_ARB_multisample", F(ARB_multisample) }, + { OFF, "GL_ARB_multitexture", F(ARB_multitexture) }, + { OFF, "GL_ARB_occlusion_query", F(ARB_occlusion_query) }, + { OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) }, + { OFF, "GL_ARB_point_sprite", F(ARB_point_sprite) }, + { OFF, "GL_ARB_shadow", F(ARB_shadow) }, + { OFF, "GL_ARB_shadow_ambient", F(SGIX_shadow_ambient) }, + { OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) }, + { OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) }, + { OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) }, + { OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) }, + { OFF, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine) }, + { OFF, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar) }, + { OFF, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3) }, + { OFF, "GL_MESAX_texture_float", F(ARB_texture_float) }, + { OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)}, + { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)}, + { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) }, + { OFF, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object) }, + { OFF, "GL_ARB_vertex_program", F(ARB_vertex_program) }, + { ON, "GL_ARB_window_pos", F(ARB_window_pos) }, + { ON, "GL_EXT_abgr", F(EXT_abgr) }, + { ON, "GL_EXT_bgra", F(EXT_bgra) }, + { OFF, "GL_EXT_blend_color", F(EXT_blend_color) }, + { OFF, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate) }, + { OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) }, + { OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) }, + { OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) }, + { OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) }, + { ON, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) }, + { OFF, "GL_EXT_cull_vertex", F(EXT_cull_vertex) }, + { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) }, + { OFF, "GL_EXT_convolution", F(EXT_convolution) }, + { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) }, + { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) }, + { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) }, + { OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) }, + { OFF, "GL_EXT_histogram", F(EXT_histogram) }, + { OFF, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) }, + { ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) }, + { OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) }, + { OFF, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object) }, + { OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) }, + { ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) }, + { ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) }, + { OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) }, + { ON, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color) }, + { OFF, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs) }, + { OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) }, + { OFF, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side) }, + { OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) }, + { ON, "GL_EXT_subtexture", F(EXT_subtexture) }, + { ON, "GL_EXT_texture", F(EXT_texture) }, + { ON, "GL_EXT_texture3D", F(EXT_texture3D) }, + { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) }, + { ON, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp) }, + { OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) }, + { OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) }, + { OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) }, + { OFF, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic) }, + { OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) }, + { OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) }, + { ON, "GL_EXT_texture_object", F(EXT_texture_object) }, + { OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) }, + { OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) }, + { OFF, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1) }, + { OFF, "GL_APPLE_client_storage", F(APPLE_client_storage) }, + { ON, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels) }, + { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) }, + { OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)}, + { OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)}, + { OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) }, + { OFF, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays) }, + { ON, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip) }, + { OFF, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)}, + { OFF, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate) }, + { OFF, "GL_MESA_pack_invert", F(MESA_pack_invert) }, + { OFF, "GL_MESA_packed_depth_stencil", F(MESA_packed_depth_stencil) }, + { OFF, "GL_MESA_program_debug", F(MESA_program_debug) }, + { OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) }, + { OFF, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture) }, + { ON, "GL_MESA_window_pos", F(ARB_window_pos) }, + { OFF, "GL_NV_blend_square", F(NV_blend_square) }, + { OFF, "GL_NV_fragment_program", F(NV_fragment_program) }, + { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) }, + { OFF, "GL_NV_point_sprite", F(NV_point_sprite) }, + { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) }, + { OFF, "GL_NV_vertex_program", F(NV_vertex_program) }, + { OFF, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1) }, + { OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) }, + { OFF, "GL_SGI_color_table", F(SGI_color_table) }, + { OFF, "GL_SGI_texture_color_table", F(SGI_texture_color_table) }, + { OFF, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap) }, + { OFF, "GL_SGIS_pixel_texture", F(SGIS_pixel_texture) }, + { OFF, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp) }, + { ON, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) }, + { ON, "GL_SGIS_texture_lod", F(SGIS_texture_lod) }, + { OFF, "GL_SGIX_depth_texture", F(SGIX_depth_texture) }, + { OFF, "GL_SGIX_pixel_texture", F(SGIX_pixel_texture) }, + { OFF, "GL_SGIX_shadow", F(SGIX_shadow) }, + { OFF, "GL_SGIX_shadow_ambient", F(SGIX_shadow_ambient) }, + { OFF, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) }, + { OFF, "GL_S3_s3tc", F(S3_s3tc) }, +}; + + + +/** + * Enable all extensions suitable for a software-only renderer. + * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc. + */ +void +_mesa_enable_sw_extensions(GLcontext *ctx) +{ + ctx->Extensions.ARB_depth_texture = GL_TRUE; +#if FEATURE_ARB_fragment_program + ctx->Extensions.ARB_fragment_program = GL_TRUE; +#endif + /*ctx->Extensions.ARB_half_float_pixel = GL_TRUE;*/ + ctx->Extensions.ARB_imaging = GL_TRUE; + ctx->Extensions.ARB_multitexture = GL_TRUE; +#if FEATURE_ARB_occlusion_query + ctx->Extensions.ARB_occlusion_query = GL_TRUE; +#endif + ctx->Extensions.ARB_point_sprite = GL_TRUE; + ctx->Extensions.ARB_shadow = GL_TRUE; + ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; + ctx->Extensions.ARB_texture_cube_map = GL_TRUE; + ctx->Extensions.ARB_texture_env_combine = GL_TRUE; + ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; + ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; + /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/ + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; + ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; +#if FEATURE_ARB_vertex_program + ctx->Extensions.ARB_vertex_program = GL_TRUE; +#endif +#if FEATURE_ARB_vertex_buffer_object + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; +#endif + ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; + ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; + ctx->Extensions.EXT_blend_func_separate = GL_TRUE; + ctx->Extensions.EXT_blend_logic_op = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_convolution = GL_TRUE; + ctx->Extensions.EXT_depth_bounds_test = GL_TRUE; + ctx->Extensions.EXT_fog_coord = GL_TRUE; + ctx->Extensions.EXT_histogram = GL_TRUE; + ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; + ctx->Extensions.EXT_paletted_texture = GL_TRUE; +#if FEATURE_EXT_pixel_buffer_object + ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; +#endif + ctx->Extensions.EXT_point_parameters = GL_TRUE; + ctx->Extensions.EXT_shadow_funcs = GL_TRUE; + ctx->Extensions.EXT_secondary_color = GL_TRUE; + ctx->Extensions.EXT_shared_texture_palette = GL_TRUE; + ctx->Extensions.EXT_stencil_wrap = GL_TRUE; + ctx->Extensions.EXT_stencil_two_side = GL_TRUE; + ctx->Extensions.EXT_texture_env_add = GL_TRUE; + ctx->Extensions.EXT_texture_env_combine = GL_TRUE; + ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; + ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE; + ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.HP_occlusion_test = GL_TRUE; + ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE; + ctx->Extensions.MESA_pack_invert = GL_TRUE; +#if FEATURE_MESA_program_debug + ctx->Extensions.MESA_program_debug = GL_TRUE; +#endif + ctx->Extensions.MESA_resize_buffers = GL_TRUE; + ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; + ctx->Extensions.NV_blend_square = GL_TRUE; + /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/ + ctx->Extensions.NV_point_sprite = GL_TRUE; + ctx->Extensions.NV_texture_rectangle = GL_TRUE; + /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/ +#if FEATURE_NV_vertex_program + ctx->Extensions.NV_vertex_program = GL_TRUE; + ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; +#endif +#if FEATURE_NV_fragment_program + ctx->Extensions.NV_fragment_program = GL_TRUE; +#endif + ctx->Extensions.SGI_color_matrix = GL_TRUE; + ctx->Extensions.SGI_color_table = GL_TRUE; + ctx->Extensions.SGI_texture_color_table = GL_TRUE; + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; + ctx->Extensions.SGIS_pixel_texture = GL_TRUE; + ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE; + ctx->Extensions.SGIX_depth_texture = GL_TRUE; + ctx->Extensions.SGIX_pixel_texture = GL_TRUE; + ctx->Extensions.SGIX_shadow = GL_TRUE; + ctx->Extensions.SGIX_shadow_ambient = GL_TRUE; +} + + +/** + * Enable GL_ARB_imaging and all the EXT extensions that are subsets of it. + */ +void +_mesa_enable_imaging_extensions(GLcontext *ctx) +{ + ctx->Extensions.ARB_imaging = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_convolution = GL_TRUE; + ctx->Extensions.EXT_histogram = GL_TRUE; + ctx->Extensions.SGI_color_matrix = GL_TRUE; + ctx->Extensions.SGI_color_table = GL_TRUE; +} + + + +/** + * Enable all OpenGL 1.3 features and extensions. + * A convenience function to be called by drivers. + */ +void +_mesa_enable_1_3_extensions(GLcontext *ctx) +{ + ctx->Extensions.ARB_multisample = GL_TRUE; + ctx->Extensions.ARB_multitexture = GL_TRUE; + ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; + ctx->Extensions.ARB_texture_compression = GL_TRUE; + ctx->Extensions.ARB_texture_cube_map = GL_TRUE; + ctx->Extensions.ARB_texture_env_combine = GL_TRUE; + ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; + ctx->Extensions.EXT_texture_env_add = GL_TRUE; + /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/ +} + + + +/** + * Enable all OpenGL 1.4 features and extensions. + * A convenience function to be called by drivers. + */ +void +_mesa_enable_1_4_extensions(GLcontext *ctx) +{ + ctx->Extensions.ARB_depth_texture = GL_TRUE; + ctx->Extensions.ARB_shadow = GL_TRUE; + ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; + ctx->Extensions.ARB_window_pos = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_func_separate = GL_TRUE; + ctx->Extensions.EXT_blend_logic_op = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_fog_coord = GL_TRUE; + ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; + ctx->Extensions.EXT_point_parameters = GL_TRUE; + ctx->Extensions.EXT_secondary_color = GL_TRUE; + ctx->Extensions.EXT_stencil_wrap = GL_TRUE; + ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; +} + + +/** + * Enable all OpenGL 1.5 features and extensions. + * A convenience function to be called by drivers. + */ +void +_mesa_enable_1_5_extensions(GLcontext *ctx) +{ + ctx->Extensions.ARB_occlusion_query = GL_TRUE; + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; + ctx->Extensions.EXT_shadow_funcs = GL_TRUE; +} + + +/** + * Either enable or disable the named extension. + */ +static void +set_extension( GLcontext *ctx, const char *name, GLboolean state ) +{ + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint i; + + if (ctx->Extensions.String) { + /* The string was already queried - can't change it now! */ + _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name); + return; + } + + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (_mesa_strcmp(default_extensions[i].name, name) == 0) { + if (default_extensions[i].flag_offset) { + GLboolean *enabled = base + default_extensions[i].flag_offset; + *enabled = state; + } + return; + } + } + _mesa_problem(ctx, "Trying to enable unknown extension: %s", name); +} + + +/** + * Enable the named extension. + * Typically called by drivers. + */ +void +_mesa_enable_extension( GLcontext *ctx, const char *name ) +{ + set_extension(ctx, name, GL_TRUE); +} + + +/** + * Disable the named extension. + * XXX is this really needed??? + */ +void +_mesa_disable_extension( GLcontext *ctx, const char *name ) +{ + set_extension(ctx, name, GL_FALSE); +} + + +/** + * Test if the named extension is enabled in this context. + */ +GLboolean +_mesa_extension_is_enabled( GLcontext *ctx, const char *name ) +{ + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + GLuint i; + + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (_mesa_strcmp(default_extensions[i].name, name) == 0) { + if (!default_extensions[i].flag_offset) + return GL_TRUE; + return *(base + default_extensions[i].flag_offset); + } + } + return GL_FALSE; +} + + +/** + * Run through the default_extensions array above and set the + * ctx->Extensions.ARB/EXT_* flags accordingly. + * To be called during context initialization. + */ +void +_mesa_init_extensions( GLcontext *ctx ) +{ + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint i; + + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (default_extensions[i].enabled && + default_extensions[i].flag_offset) { + *(base + default_extensions[i].flag_offset) = GL_TRUE; + } + } +} + + +/** + * Construct the GL_EXTENSIONS string. Called the first time that + * glGetString(GL_EXTENSIONS) is called. + */ +GLubyte * +_mesa_make_extension_string( GLcontext *ctx ) +{ + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + GLuint extStrLen = 0; + GLubyte *s; + GLuint i; + + /* first, compute length of the extension string */ + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (!default_extensions[i].flag_offset || + *(base + default_extensions[i].flag_offset)) { + extStrLen += _mesa_strlen(default_extensions[i].name) + 1; + } + } + s = (GLubyte *) _mesa_malloc(extStrLen); + + /* second, build the extension string */ + extStrLen = 0; + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (!default_extensions[i].flag_offset || + *(base + default_extensions[i].flag_offset)) { + GLuint len = _mesa_strlen(default_extensions[i].name); + _mesa_memcpy(s + extStrLen, default_extensions[i].name, len); + extStrLen += len; + s[extStrLen] = (GLubyte) ' '; + extStrLen++; + } + } + ASSERT(extStrLen > 0); + + s[extStrLen - 1] = 0; + + return s; +} diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h new file mode 100644 index 0000000..54aa255 --- /dev/null +++ b/src/mesa/main/extensions.h @@ -0,0 +1,82 @@ +/** + * \file extensions.h + * Extension handling. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _EXTENSIONS_H_ +#define _EXTENSIONS_H_ + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void _mesa_enable_sw_extensions(GLcontext *ctx); + +extern void _mesa_enable_imaging_extensions(GLcontext *ctx); + +extern void _mesa_enable_1_3_extensions(GLcontext *ctx); + +extern void _mesa_enable_1_4_extensions(GLcontext *ctx); + +extern void _mesa_enable_1_5_extensions(GLcontext *ctx); + +extern void _mesa_enable_extension(GLcontext *ctx, const char *name); + +extern void _mesa_disable_extension(GLcontext *ctx, const char *name); + +extern GLboolean _mesa_extension_is_enabled(GLcontext *ctx, const char *name); + +extern void _mesa_init_extensions(GLcontext *ctx); + +extern GLubyte *_mesa_make_extension_string(GLcontext *ctx); + +#else + +/** No-op */ +#define _mesa_extensions_dtr( ctx ) ((void)0) + +/** No-op */ +#define _mesa_extensions_ctr( ctx ) ((void)0) + +/** No-op */ +#define _mesa_extensions_get_string( ctx ) "GL_EXT_texture_object" + +/** No-op */ +#define _mesa_enable_imaging_extensions( c ) ((void)0) + +/** No-op */ +#define _mesa_enable_extension( c, n ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/feedback.c b/src/mesa/main/feedback.c new file mode 100644 index 0000000..48c2ccb --- /dev/null +++ b/src/mesa/main/feedback.c @@ -0,0 +1,541 @@ +/** + * \file feedback.c + * Selection and feedback modes functions. + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "enums.h" +#include "feedback.h" +#include "macros.h" +#include "mtypes.h" + + +#if _HAVE_FULL_GL + + +#define FB_3D 0x01 +#define FB_4D 0x02 +#define FB_INDEX 0x04 +#define FB_COLOR 0x08 +#define FB_TEXTURE 0X10 + + + +void GLAPIENTRY +_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode==GL_FEEDBACK) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glFeedbackBuffer" ); + return; + } + if (size<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glFeedbackBuffer(size<0)" ); + return; + } + if (!buffer) { + _mesa_error( ctx, GL_INVALID_VALUE, "glFeedbackBuffer(buffer==NULL)" ); + ctx->Feedback.BufferSize = 0; + return; + } + + switch (type) { + case GL_2D: + ctx->Feedback._Mask = 0; + break; + case GL_3D: + ctx->Feedback._Mask = FB_3D; + break; + case GL_3D_COLOR: + ctx->Feedback._Mask = (FB_3D | + (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX)); + break; + case GL_3D_COLOR_TEXTURE: + ctx->Feedback._Mask = (FB_3D | + (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX) | + FB_TEXTURE); + break; + case GL_4D_COLOR_TEXTURE: + ctx->Feedback._Mask = (FB_3D | FB_4D | + (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX) | + FB_TEXTURE); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glFeedbackBuffer" ); + return; + } + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); /* Always flush */ + ctx->Feedback.Type = type; + ctx->Feedback.BufferSize = size; + ctx->Feedback.Buffer = buffer; + ctx->Feedback.Count = 0; /* Becaues of this. */ +} + + +void GLAPIENTRY +_mesa_PassThrough( GLfloat token ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode==GL_FEEDBACK) { + FLUSH_VERTICES(ctx, 0); + FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_PASS_THROUGH_TOKEN ); + FEEDBACK_TOKEN( ctx, token ); + } +} + + + +/* + * Put a vertex into the feedback buffer. + */ +void _mesa_feedback_vertex( GLcontext *ctx, + const GLfloat win[4], + const GLfloat color[4], + GLfloat index, + const GLfloat texcoord[4] ) +{ +#if 0 + { + /* snap window x, y to fractional pixel position */ + const GLint snapMask = ~((FIXED_ONE / (1 << SUB_PIXEL_BITS)) - 1); + GLfixed x, y; + x = FloatToFixed(win[0]) & snapMask; + y = FloatToFixed(win[1]) & snapMask; + FEEDBACK_TOKEN(ctx, FixedToFloat(x)); + FEEDBACK_TOKEN(ctx, FixedToFloat(y) ); + } +#else + FEEDBACK_TOKEN( ctx, win[0] ); + FEEDBACK_TOKEN( ctx, win[1] ); +#endif + if (ctx->Feedback._Mask & FB_3D) { + FEEDBACK_TOKEN( ctx, win[2] ); + } + if (ctx->Feedback._Mask & FB_4D) { + FEEDBACK_TOKEN( ctx, win[3] ); + } + if (ctx->Feedback._Mask & FB_INDEX) { + FEEDBACK_TOKEN( ctx, (GLfloat) index ); + } + if (ctx->Feedback._Mask & FB_COLOR) { + FEEDBACK_TOKEN( ctx, color[0] ); + FEEDBACK_TOKEN( ctx, color[1] ); + FEEDBACK_TOKEN( ctx, color[2] ); + FEEDBACK_TOKEN( ctx, color[3] ); + } + if (ctx->Feedback._Mask & FB_TEXTURE) { + FEEDBACK_TOKEN( ctx, texcoord[0] ); + FEEDBACK_TOKEN( ctx, texcoord[1] ); + FEEDBACK_TOKEN( ctx, texcoord[2] ); + FEEDBACK_TOKEN( ctx, texcoord[3] ); + } +} + +#endif + + +/**********************************************************************/ +/** \name Selection */ +/*@{*/ + +/** + * Establish a buffer for selection mode values. + * + * \param size buffer size. + * \param buffer buffer. + * + * \sa glSelectBuffer(). + * + * \note this function can't be put in a display list. + * + * Verifies we're not in selection mode, flushes the vertices and initialize + * the fields in __GLcontextRec::Select with the given buffer. + */ +void GLAPIENTRY +_mesa_SelectBuffer( GLsizei size, GLuint *buffer ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode==GL_SELECT) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glSelectBuffer" ); + return; /* KW: added return */ + } + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); + ctx->Select.Buffer = buffer; + ctx->Select.BufferSize = size; + ctx->Select.BufferCount = 0; + ctx->Select.HitFlag = GL_FALSE; + ctx->Select.HitMinZ = 1.0; + ctx->Select.HitMaxZ = 0.0; +} + + +/** + * Write a value of a record into the selection buffer. + * + * \param CTX GL context. + * \param V value. + * + * Verifies there is free space in the buffer to write the value and + * increments the pointer. + */ +#define WRITE_RECORD( CTX, V ) \ + if (CTX->Select.BufferCount < CTX->Select.BufferSize) { \ + CTX->Select.Buffer[CTX->Select.BufferCount] = (V); \ + } \ + CTX->Select.BufferCount++; + + +/** + * Update the hit flag and the maximum and minimum depth values. + * + * \param ctx GL context. + * \param z depth. + * + * Sets gl_selection::HitFlag and updates gl_selection::HitMinZ and + * gl_selection::HitMaxZ. + */ +void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ) +{ + ctx->Select.HitFlag = GL_TRUE; + if (z < ctx->Select.HitMinZ) { + ctx->Select.HitMinZ = z; + } + if (z > ctx->Select.HitMaxZ) { + ctx->Select.HitMaxZ = z; + } +} + + +/** + * Write the hit record. + * + * \param ctx GL context. + * + * Write the hit record, i.e., the number of names in the stack, the minimum and + * maximum depth values and the number of names in the name stack at the time + * of the event. Resets the hit flag. + * + * \sa gl_selection. + */ +static void write_hit_record( GLcontext *ctx ) +{ + GLuint i; + GLuint zmin, zmax, zscale = (~0u); + + /* HitMinZ and HitMaxZ are in [0,1]. Multiply these values by */ + /* 2^32-1 and round to nearest unsigned integer. */ + + assert( ctx != NULL ); /* this line magically fixes a SunOS 5.x/gcc bug */ + zmin = (GLuint) ((GLfloat) zscale * ctx->Select.HitMinZ); + zmax = (GLuint) ((GLfloat) zscale * ctx->Select.HitMaxZ); + + WRITE_RECORD( ctx, ctx->Select.NameStackDepth ); + WRITE_RECORD( ctx, zmin ); + WRITE_RECORD( ctx, zmax ); + for (i = 0; i < ctx->Select.NameStackDepth; i++) { + WRITE_RECORD( ctx, ctx->Select.NameStack[i] ); + } + + ctx->Select.Hits++; + ctx->Select.HitFlag = GL_FALSE; + ctx->Select.HitMinZ = 1.0; + ctx->Select.HitMaxZ = -1.0; +} + + +/** + * Initialize the name stack. + * + * Verifies we are in select mode and resets the name stack depth and resets + * the hit record data in gl_selection. Marks new render mode in + * __GLcontextRec::NewState. + */ +void GLAPIENTRY +_mesa_InitNames( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + /* Record the hit before the HitFlag is wiped out again. */ + if (ctx->RenderMode == GL_SELECT) { + if (ctx->Select.HitFlag) { + write_hit_record( ctx ); + } + } + ctx->Select.NameStackDepth = 0; + ctx->Select.HitFlag = GL_FALSE; + ctx->Select.HitMinZ = 1.0; + ctx->Select.HitMaxZ = 0.0; + ctx->NewState |= _NEW_RENDERMODE; +} + + +/** + * Load the top-most name of the name stack. + * + * \param name name. + * + * Verifies we are in selection mode and that the name stack is not empty. + * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), + * and replace the top-most name in the stack. + * + * sa __GLcontextRec::Select. + */ +void GLAPIENTRY +_mesa_LoadName( GLuint name ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode != GL_SELECT) { + return; + } + if (ctx->Select.NameStackDepth == 0) { + _mesa_error( ctx, GL_INVALID_OPERATION, "glLoadName" ); + return; + } + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); + + if (ctx->Select.HitFlag) { + write_hit_record( ctx ); + } + if (ctx->Select.NameStackDepth < MAX_NAME_STACK_DEPTH) { + ctx->Select.NameStack[ctx->Select.NameStackDepth-1] = name; + } + else { + ctx->Select.NameStack[MAX_NAME_STACK_DEPTH-1] = name; + } +} + + +/** + * Push a name into the name stack. + * + * \param name name. + * + * Verifies we are in selection mode and that the name stack is not full. + * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), + * and adds the name to the top of the name stack. + * + * sa __GLcontextRec::Select. + */ +void GLAPIENTRY +_mesa_PushName( GLuint name ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode != GL_SELECT) { + return; + } + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); + if (ctx->Select.HitFlag) { + write_hit_record( ctx ); + } + if (ctx->Select.NameStackDepth >= MAX_NAME_STACK_DEPTH) { + _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushName" ); + } + else + ctx->Select.NameStack[ctx->Select.NameStackDepth++] = name; +} + + +/** + * Pop a name into the name stack. + * + * Verifies we are in selection mode and that the name stack is not empty. + * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), + * and removes top-most name in the name stack. + * + * sa __GLcontextRec::Select. + */ +void GLAPIENTRY +_mesa_PopName( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->RenderMode != GL_SELECT) { + return; + } + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); + if (ctx->Select.HitFlag) { + write_hit_record( ctx ); + } + if (ctx->Select.NameStackDepth == 0) { + _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopName" ); + } + else + ctx->Select.NameStackDepth--; +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Render Mode */ +/*@{*/ + +/** + * Set rasterization mode. + * + * \param mode rasterization mode. + * + * \note this function can't be put in a display list. + * + * \sa glRenderMode(). + * + * Flushes the vertices and do the necessary cleanup according to the previous + * rasterization mode, such as writing the hit record or resent the select + * buffer index when exiting the select mode. Updates + * __GLcontextRec::RenderMode and notifies the driver via the + * dd_function_table::RenderMode callback. + */ +GLint GLAPIENTRY +_mesa_RenderMode( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint result; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glRenderMode %s\n", _mesa_lookup_enum_by_nr(mode)); + + FLUSH_VERTICES(ctx, _NEW_RENDERMODE); + + switch (ctx->RenderMode) { + case GL_RENDER: + result = 0; + break; + case GL_SELECT: + if (ctx->Select.HitFlag) { + write_hit_record( ctx ); + } + if (ctx->Select.BufferCount > ctx->Select.BufferSize) { + /* overflow */ +#ifdef DEBUG + _mesa_warning(ctx, "Feedback buffer overflow"); +#endif + result = -1; + } + else { + result = ctx->Select.Hits; + } + ctx->Select.BufferCount = 0; + ctx->Select.Hits = 0; + ctx->Select.NameStackDepth = 0; + break; +#if _HAVE_FULL_GL + case GL_FEEDBACK: + if (ctx->Feedback.Count > ctx->Feedback.BufferSize) { + /* overflow */ + result = -1; + } + else { + result = ctx->Feedback.Count; + } + ctx->Feedback.Count = 0; + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glRenderMode" ); + return 0; + } + + switch (mode) { + case GL_RENDER: + break; + case GL_SELECT: + if (ctx->Select.BufferSize==0) { + /* haven't called glSelectBuffer yet */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glRenderMode" ); + } + break; +#if _HAVE_FULL_GL + case GL_FEEDBACK: + if (ctx->Feedback.BufferSize==0) { + /* haven't called glFeedbackBuffer yet */ + _mesa_error( ctx, GL_INVALID_OPERATION, "glRenderMode" ); + } + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glRenderMode" ); + return 0; + } + + ctx->RenderMode = mode; + if (ctx->Driver.RenderMode) + ctx->Driver.RenderMode( ctx, mode ); + + return result; +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Initialization */ +/*@{*/ + +/** + * Initialize context feedback data. + */ +void _mesa_init_feedback( GLcontext * ctx ) +{ + /* Feedback */ + ctx->Feedback.Type = GL_2D; /* TODO: verify */ + ctx->Feedback.Buffer = NULL; + ctx->Feedback.BufferSize = 0; + ctx->Feedback.Count = 0; + + /* Selection/picking */ + ctx->Select.Buffer = NULL; + ctx->Select.BufferSize = 0; + ctx->Select.BufferCount = 0; + ctx->Select.Hits = 0; + ctx->Select.NameStackDepth = 0; + + /* Miscellaneous */ + ctx->RenderMode = GL_RENDER; +} + +/*@}*/ diff --git a/src/mesa/main/feedback.h b/src/mesa/main/feedback.h new file mode 100644 index 0000000..6c448ad --- /dev/null +++ b/src/mesa/main/feedback.h @@ -0,0 +1,82 @@ +/** + * \file feedback.h + * Selection and feedback modes functions. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef FEEDBACK_H +#define FEEDBACK_H + + +#include "mtypes.h" + + +#define FEEDBACK_TOKEN( CTX, T ) \ + if (CTX->Feedback.Count < CTX->Feedback.BufferSize) { \ + CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \ + } \ + CTX->Feedback.Count++; + + +extern void _mesa_init_feedback( GLcontext * ctx ); + +extern void _mesa_feedback_vertex( GLcontext *ctx, + const GLfloat win[4], + const GLfloat color[4], + GLfloat index, + const GLfloat texcoord[4] ); + + +extern void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ); + + +extern void GLAPIENTRY +_mesa_PassThrough( GLfloat token ); + +extern void GLAPIENTRY +_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ); + +extern void GLAPIENTRY +_mesa_SelectBuffer( GLsizei size, GLuint *buffer ); + +extern void GLAPIENTRY +_mesa_InitNames( void ); + +extern void GLAPIENTRY +_mesa_LoadName( GLuint name ); + +extern void GLAPIENTRY +_mesa_PushName( GLuint name ); + +extern void GLAPIENTRY +_mesa_PopName( void ); + +extern GLint GLAPIENTRY +_mesa_RenderMode( GLenum mode ); + + +#endif diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c new file mode 100644 index 0000000..d3b8a92 --- /dev/null +++ b/src/mesa/main/fog.c @@ -0,0 +1,177 @@ +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "fog.h" +#include "mtypes.h" + + + +void GLAPIENTRY +_mesa_Fogf(GLenum pname, GLfloat param) +{ + _mesa_Fogfv(pname, ¶m); +} + + +void GLAPIENTRY +_mesa_Fogi(GLenum pname, GLint param ) +{ + GLfloat fparam = (GLfloat) param; + _mesa_Fogfv(pname, &fparam); +} + + +void GLAPIENTRY +_mesa_Fogiv(GLenum pname, const GLint *params ) +{ + GLfloat p[4]; + switch (pname) { + case GL_FOG_MODE: + case GL_FOG_DENSITY: + case GL_FOG_START: + case GL_FOG_END: + case GL_FOG_INDEX: + case GL_FOG_COORDINATE_SOURCE_EXT: + p[0] = (GLfloat) *params; + break; + case GL_FOG_COLOR: + p[0] = INT_TO_FLOAT( params[0] ); + p[1] = INT_TO_FLOAT( params[1] ); + p[2] = INT_TO_FLOAT( params[2] ); + p[3] = INT_TO_FLOAT( params[3] ); + break; + default: + /* Error will be caught later in _mesa_Fogfv */ + ; + } + _mesa_Fogfv(pname, p); +} + + +void GLAPIENTRY +_mesa_Fogfv( GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLenum m; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (pname) { + case GL_FOG_MODE: + m = (GLenum) (GLint) *params; + switch (m) { + case GL_LINEAR: + case GL_EXP: + case GL_EXP2: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glFog" ); + return; + } + if (ctx->Fog.Mode == m) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Mode = m; + break; + case GL_FOG_DENSITY: + if (*params<0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glFog" ); + return; + } + if (ctx->Fog.Density == *params) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Density = *params; + break; + case GL_FOG_START: + if (ctx->Fog.Start == *params) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Start = *params; + break; + case GL_FOG_END: + if (ctx->Fog.End == *params) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.End = *params; + break; + case GL_FOG_INDEX: + if (ctx->Fog.Index == *params) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Index = *params; + break; + case GL_FOG_COLOR: + if (TEST_EQ_4V(ctx->Fog.Color, params)) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.Color[0] = CLAMP(params[0], 0.0F, 1.0F); + ctx->Fog.Color[1] = CLAMP(params[1], 0.0F, 1.0F); + ctx->Fog.Color[2] = CLAMP(params[2], 0.0F, 1.0F); + ctx->Fog.Color[3] = CLAMP(params[3], 0.0F, 1.0F); + break; + case GL_FOG_COORDINATE_SOURCE_EXT: { + GLenum p = (GLenum) (GLint) *params; + if (!ctx->Extensions.EXT_fog_coord || + (p != GL_FOG_COORDINATE_EXT && p != GL_FRAGMENT_DEPTH_EXT)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glFog"); + return; + } + if (ctx->Fog.FogCoordinateSource == p) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.FogCoordinateSource = p; + break; + } + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glFog" ); + return; + } + + if (ctx->Driver.Fogfv) { + (*ctx->Driver.Fogfv)( ctx, pname, params ); + } +} + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +void _mesa_init_fog( GLcontext * ctx ) +{ + /* Fog group */ + ctx->Fog.Enabled = GL_FALSE; + ctx->Fog.Mode = GL_EXP; + ASSIGN_4V( ctx->Fog.Color, 0.0, 0.0, 0.0, 0.0 ); + ctx->Fog.Index = 0.0; + ctx->Fog.Density = 1.0; + ctx->Fog.Start = 0.0; + ctx->Fog.End = 1.0; + ctx->Fog.ColorSumEnabled = GL_FALSE; + ctx->Fog.FogCoordinateSource = GL_FRAGMENT_DEPTH_EXT; +} diff --git a/src/mesa/main/fog.h b/src/mesa/main/fog.h new file mode 100644 index 0000000..a14d19c --- /dev/null +++ b/src/mesa/main/fog.h @@ -0,0 +1,66 @@ +/** + * \file fog.h + * Fog operations. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef FOG_H +#define FOG_H + + +#include "mtypes.h" + + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_Fogf(GLenum pname, GLfloat param); + +extern void GLAPIENTRY +_mesa_Fogi(GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_Fogfv(GLenum pname, const GLfloat *params ); + +extern void GLAPIENTRY +_mesa_Fogiv(GLenum pname, const GLint *params ); + +extern void _mesa_init_fog( GLcontext * ctx ); + +#else + +/** No-op */ +#define _mesa_init_fog( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c new file mode 100644 index 0000000..47e0e92 --- /dev/null +++ b/src/mesa/main/get.c @@ -0,0 +1,6587 @@ +/** + * \file get.c + * State query functions. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Regarding GL_NV_light_max_exponent: + * + * Portions of this software may use or implement intellectual + * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims + * any and all warranties with respect to such intellectual property, + * including any use thereof or modifications thereto. + */ + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "enable.h" +#include "enums.h" +#include "extensions.h" +#include "get.h" +#include "macros.h" +#include "mtypes.h" +#include "texcompress.h" +#include "version.h" +#include "math/m_matrix.h" + + +#define FLOAT_TO_BOOL(X) ( (X)==0.0F ? GL_FALSE : GL_TRUE ) +#define INT_TO_BOOL(I) ( (I)==0 ? GL_FALSE : GL_TRUE ) +#define ENUM_TO_BOOL(E) ( (E)==0 ? GL_FALSE : GL_TRUE ) + +#ifdef SPECIALCAST +/* Needed for an Amiga compiler */ +#define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X)) +#define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X)) +#else +/* all other compilers */ +#define ENUM_TO_FLOAT(X) ((GLfloat)(X)) +#define ENUM_TO_DOUBLE(X) ((GLdouble)(X)) +#endif + + +/* Check if named extension is enabled, if not generate error and return */ + +#define CHECK1(E1, str, PNAME) \ + if (!ctx->Extensions.E1) { \ + _mesa_error(ctx, GL_INVALID_VALUE, \ + "glGet" str "v(0x%x)", (int) PNAME); \ + return; \ + } + +#define CHECK2(E1, E2, str, PNAME) \ + if (!ctx->Extensions.E1 && !ctx->Extensions.E2) { \ + _mesa_error(ctx, GL_INVALID_VALUE, \ + "glGet" str "v(0x%x)", (int) PNAME); \ + return; \ + } + +#define CHECK_EXTENSION_B(EXTNAME, PNAME) \ + CHECK1(EXTNAME, "Boolean", PNAME ) + +#define CHECK_EXTENSION_I(EXTNAME, PNAME) \ + CHECK1(EXTNAME, "Integer", PNAME ) + +#define CHECK_EXTENSION_F(EXTNAME, PNAME) \ + CHECK1(EXTNAME, "Float", PNAME ) + +#define CHECK_EXTENSION_D(EXTNAME, PNAME) \ + CHECK1(EXTNAME, "Double", PNAME ) + +#define CHECK_EXTENSION2_B(EXT1, EXT2, PNAME) \ + CHECK2(EXT1, EXT2, "Boolean", PNAME) + +#define CHECK_EXTENSION2_I(EXT1, EXT2, PNAME) \ + CHECK2(EXT1, EXT2, "Integer", PNAME) + +#define CHECK_EXTENSION2_F(EXT1, EXT2, PNAME) \ + CHECK2(EXT1, EXT2, "Float", PNAME) + +#define CHECK_EXTENSION2_D(EXT1, EXT2, PNAME) \ + CHECK2(EXT1, EXT2, "Double", PNAME) + + + +static GLenum +pixel_texgen_mode(const GLcontext *ctx) +{ + if (ctx->Pixel.FragmentRgbSource == GL_CURRENT_RASTER_POSITION) { + if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) { + return GL_RGBA; + } + else { + return GL_RGB; + } + } + else { + if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) { + return GL_ALPHA; + } + else { + return GL_NONE; + } + } +} + + +/** + * Get the value(s) of a selected parameter. + * + * \param pname parameter to be returned. + * \param params will hold the value(s) of the speficifed parameter. + * + * \sa glGetBooleanv(). + * + * Tries to get the specified parameter via dd_function_table::GetBooleanv, + * otherwise gets the specified parameter from the current context, converting + * it value into GLboolean. + */ +void GLAPIENTRY +_mesa_GetBooleanv( GLenum pname, GLboolean *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint i; + const GLuint clientUnit = ctx->Array.ActiveTexture; + const GLuint texUnit = ctx->Texture.CurrentUnit; + const struct gl_texture_unit *textureUnit = &ctx->Texture.Unit[texUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetBooleanv %s\n", _mesa_lookup_enum_by_nr(pname)); + + if (!ctx->_CurrentProgram) { + /* We need this in order to get correct results for + * GL_OCCLUSION_TEST_RESULT_HP. There might be other important cases. + */ + FLUSH_VERTICES(ctx, 0); + } + + if (ctx->Driver.GetBooleanv + && (*ctx->Driver.GetBooleanv)(ctx, pname, params)) + return; + + switch (pname) { + case GL_ACCUM_RED_BITS: + *params = INT_TO_BOOL(ctx->Visual.accumRedBits); + break; + case GL_ACCUM_GREEN_BITS: + *params = INT_TO_BOOL(ctx->Visual.accumGreenBits); + break; + case GL_ACCUM_BLUE_BITS: + *params = INT_TO_BOOL(ctx->Visual.accumBlueBits); + break; + case GL_ACCUM_ALPHA_BITS: + *params = INT_TO_BOOL(ctx->Visual.accumAlphaBits); + break; + case GL_ACCUM_CLEAR_VALUE: + params[0] = FLOAT_TO_BOOL(ctx->Accum.ClearColor[0]); + params[1] = FLOAT_TO_BOOL(ctx->Accum.ClearColor[1]); + params[2] = FLOAT_TO_BOOL(ctx->Accum.ClearColor[2]); + params[3] = FLOAT_TO_BOOL(ctx->Accum.ClearColor[3]); + break; + case GL_ALPHA_BIAS: + *params = FLOAT_TO_BOOL(ctx->Pixel.AlphaBias); + break; + case GL_ALPHA_BITS: + *params = INT_TO_BOOL(ctx->Visual.alphaBits); + break; + case GL_ALPHA_SCALE: + *params = FLOAT_TO_BOOL(ctx->Pixel.AlphaScale); + break; + case GL_ALPHA_TEST: + *params = ctx->Color.AlphaEnabled; + break; + case GL_ALPHA_TEST_FUNC: + *params = ENUM_TO_BOOL(ctx->Color.AlphaFunc); + break; + case GL_ALPHA_TEST_REF: + *params = ctx->Color.AlphaRef ? GL_TRUE : GL_FALSE; + break; + case GL_ATTRIB_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->AttribStackDepth); + break; + case GL_AUTO_NORMAL: + *params = ctx->Eval.AutoNormal; + break; + case GL_AUX_BUFFERS: + *params = (ctx->Visual.numAuxBuffers) ? GL_TRUE : GL_FALSE; + break; + case GL_BLEND: + *params = ctx->Color.BlendEnabled; + break; + case GL_BLEND_DST: + *params = ENUM_TO_BOOL(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC: + *params = ENUM_TO_BOOL(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_SRC_RGB_EXT: + *params = ENUM_TO_BOOL(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_DST_RGB_EXT: + *params = ENUM_TO_BOOL(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC_ALPHA_EXT: + *params = ENUM_TO_BOOL(ctx->Color.BlendSrcA); + break; + case GL_BLEND_DST_ALPHA_EXT: + *params = ENUM_TO_BOOL(ctx->Color.BlendDstA); + break; + case GL_BLEND_EQUATION: + *params = ENUM_TO_BOOL( ctx->Color.BlendEquationRGB ); + break; + case GL_BLEND_EQUATION_ALPHA_EXT: + *params = ENUM_TO_BOOL( ctx->Color.BlendEquationA ); + break; + case GL_BLEND_COLOR_EXT: + params[0] = FLOAT_TO_BOOL( ctx->Color.BlendColor[0] ); + params[1] = FLOAT_TO_BOOL( ctx->Color.BlendColor[1] ); + params[2] = FLOAT_TO_BOOL( ctx->Color.BlendColor[2] ); + params[3] = FLOAT_TO_BOOL( ctx->Color.BlendColor[3] ); + break; + case GL_BLUE_BIAS: + *params = FLOAT_TO_BOOL(ctx->Pixel.BlueBias); + break; + case GL_BLUE_BITS: + *params = INT_TO_BOOL( ctx->Visual.blueBits ); + break; + case GL_BLUE_SCALE: + *params = FLOAT_TO_BOOL(ctx->Pixel.BlueScale); + break; + case GL_CLIENT_ATTRIB_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->ClientAttribStackDepth); + break; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + if (ctx->Transform.ClipPlanesEnabled & (1 << (pname - GL_CLIP_PLANE0))) + *params = GL_TRUE; + else + *params = GL_FALSE; + break; + case GL_COLOR_CLEAR_VALUE: + params[0] = ctx->Color.ClearColor[0] ? GL_TRUE : GL_FALSE; + params[1] = ctx->Color.ClearColor[1] ? GL_TRUE : GL_FALSE; + params[2] = ctx->Color.ClearColor[2] ? GL_TRUE : GL_FALSE; + params[3] = ctx->Color.ClearColor[3] ? GL_TRUE : GL_FALSE; + break; + case GL_COLOR_MATERIAL: + *params = ctx->Light.ColorMaterialEnabled; + break; + case GL_COLOR_MATERIAL_FACE: + *params = ENUM_TO_BOOL(ctx->Light.ColorMaterialFace); + break; + case GL_COLOR_MATERIAL_PARAMETER: + *params = ENUM_TO_BOOL(ctx->Light.ColorMaterialMode); + break; + case GL_COLOR_WRITEMASK: + params[0] = ctx->Color.ColorMask[RCOMP] ? GL_TRUE : GL_FALSE; + params[1] = ctx->Color.ColorMask[GCOMP] ? GL_TRUE : GL_FALSE; + params[2] = ctx->Color.ColorMask[BCOMP] ? GL_TRUE : GL_FALSE; + params[3] = ctx->Color.ColorMask[ACOMP] ? GL_TRUE : GL_FALSE; + break; + case GL_CULL_FACE: + *params = ctx->Polygon.CullFlag; + break; + case GL_CULL_FACE_MODE: + *params = ENUM_TO_BOOL(ctx->Polygon.CullFaceMode); + break; + case GL_CURRENT_COLOR: + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]); + params[3] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]); + break; + case GL_CURRENT_INDEX: + FLUSH_CURRENT(ctx, 0); + *params = FLOAT_TO_BOOL(ctx->Current.Index); + break; + case GL_CURRENT_NORMAL: + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]); + break; + case GL_CURRENT_RASTER_COLOR: + params[0] = FLOAT_TO_BOOL(ctx->Current.RasterColor[0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.RasterColor[1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.RasterColor[2]); + params[3] = FLOAT_TO_BOOL(ctx->Current.RasterColor[3]); + break; + case GL_CURRENT_RASTER_DISTANCE: + *params = FLOAT_TO_BOOL(ctx->Current.RasterDistance); + break; + case GL_CURRENT_RASTER_INDEX: + *params = FLOAT_TO_BOOL(ctx->Current.RasterIndex); + break; + case GL_CURRENT_RASTER_POSITION: + params[0] = FLOAT_TO_BOOL(ctx->Current.RasterPos[0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.RasterPos[1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.RasterPos[2]); + params[3] = FLOAT_TO_BOOL(ctx->Current.RasterPos[3]); + break; + case GL_CURRENT_RASTER_TEXTURE_COORDS: + params[0] = FLOAT_TO_BOOL(ctx->Current.RasterTexCoords[texUnit][0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.RasterTexCoords[texUnit][1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.RasterTexCoords[texUnit][2]); + params[3] = FLOAT_TO_BOOL(ctx->Current.RasterTexCoords[texUnit][3]); + break; + case GL_CURRENT_RASTER_POSITION_VALID: + *params = ctx->Current.RasterPosValid; + break; + case GL_CURRENT_TEXTURE_COORDS: + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]); + params[1] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]); + params[2] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]); + params[3] = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]); + break; + case GL_DEPTH_BIAS: + *params = FLOAT_TO_BOOL(ctx->Pixel.DepthBias); + break; + case GL_DEPTH_BITS: + *params = INT_TO_BOOL(ctx->Visual.depthBits); + break; + case GL_DEPTH_CLEAR_VALUE: + *params = FLOAT_TO_BOOL(ctx->Depth.Clear); + break; + case GL_DEPTH_FUNC: + *params = ENUM_TO_BOOL(ctx->Depth.Func); + break; + case GL_DEPTH_RANGE: + params[0] = FLOAT_TO_BOOL(ctx->Viewport.Near); + params[1] = FLOAT_TO_BOOL(ctx->Viewport.Far); + break; + case GL_DEPTH_SCALE: + *params = FLOAT_TO_BOOL(ctx->Pixel.DepthScale); + break; + case GL_DEPTH_TEST: + *params = ctx->Depth.Test; + break; + case GL_DEPTH_WRITEMASK: + *params = ctx->Depth.Mask; + break; + case GL_DITHER: + *params = ctx->Color.DitherFlag; + break; + case GL_DOUBLEBUFFER: + *params = ctx->Visual.doubleBufferMode; + break; + case GL_DRAW_BUFFER: + *params = ENUM_TO_BOOL(ctx->Color.DrawBuffer); + break; + case GL_EDGE_FLAG: + FLUSH_CURRENT(ctx, 0); + *params = ctx->Current.EdgeFlag; + break; + case GL_FEEDBACK_BUFFER_SIZE: + *params = INT_TO_BOOL(ctx->Feedback.BufferSize); + break; + case GL_FEEDBACK_BUFFER_TYPE: + *params = INT_TO_BOOL(ctx->Feedback.Type); + break; + case GL_FOG: + *params = ctx->Fog.Enabled; + break; + case GL_FOG_COLOR: + params[0] = FLOAT_TO_BOOL(ctx->Fog.Color[0]); + params[1] = FLOAT_TO_BOOL(ctx->Fog.Color[1]); + params[2] = FLOAT_TO_BOOL(ctx->Fog.Color[2]); + params[3] = FLOAT_TO_BOOL(ctx->Fog.Color[3]); + break; + case GL_FOG_DENSITY: + *params = FLOAT_TO_BOOL(ctx->Fog.Density); + break; + case GL_FOG_END: + *params = FLOAT_TO_BOOL(ctx->Fog.End); + break; + case GL_FOG_HINT: + *params = ENUM_TO_BOOL(ctx->Hint.Fog); + break; + case GL_FOG_INDEX: + *params = FLOAT_TO_BOOL(ctx->Fog.Index); + break; + case GL_FOG_MODE: + *params = ENUM_TO_BOOL(ctx->Fog.Mode); + break; + case GL_FOG_START: + *params = FLOAT_TO_BOOL(ctx->Fog.End); + break; + case GL_FRONT_FACE: + *params = ENUM_TO_BOOL(ctx->Polygon.FrontFace); + break; + case GL_GREEN_BIAS: + *params = FLOAT_TO_BOOL(ctx->Pixel.GreenBias); + break; + case GL_GREEN_BITS: + *params = INT_TO_BOOL( ctx->Visual.greenBits ); + break; + case GL_GREEN_SCALE: + *params = FLOAT_TO_BOOL(ctx->Pixel.GreenScale); + break; + case GL_INDEX_BITS: + *params = INT_TO_BOOL( ctx->Visual.indexBits ); + break; + case GL_INDEX_CLEAR_VALUE: + *params = INT_TO_BOOL(ctx->Color.ClearIndex); + break; + case GL_INDEX_MODE: + *params = ctx->Visual.rgbMode ? GL_FALSE : GL_TRUE; + break; + case GL_INDEX_OFFSET: + *params = INT_TO_BOOL(ctx->Pixel.IndexOffset); + break; + case GL_INDEX_SHIFT: + *params = INT_TO_BOOL(ctx->Pixel.IndexShift); + break; + case GL_INDEX_WRITEMASK: + *params = INT_TO_BOOL(ctx->Color.IndexMask); + break; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + *params = ctx->Light.Light[pname-GL_LIGHT0].Enabled; + break; + case GL_LIGHTING: + *params = ctx->Light.Enabled; + break; + case GL_LIGHT_MODEL_AMBIENT: + params[0] = FLOAT_TO_BOOL(ctx->Light.Model.Ambient[0]); + params[1] = FLOAT_TO_BOOL(ctx->Light.Model.Ambient[1]); + params[2] = FLOAT_TO_BOOL(ctx->Light.Model.Ambient[2]); + params[3] = FLOAT_TO_BOOL(ctx->Light.Model.Ambient[3]); + break; + case GL_LIGHT_MODEL_COLOR_CONTROL: + params[0] = ENUM_TO_BOOL(ctx->Light.Model.ColorControl); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + *params = ctx->Light.Model.LocalViewer; + break; + case GL_LIGHT_MODEL_TWO_SIDE: + *params = ctx->Light.Model.TwoSide; + break; + case GL_LINE_SMOOTH: + *params = ctx->Line.SmoothFlag; + break; + case GL_LINE_SMOOTH_HINT: + *params = ENUM_TO_BOOL(ctx->Hint.LineSmooth); + break; + case GL_LINE_STIPPLE: + *params = ctx->Line.StippleFlag; + break; + case GL_LINE_STIPPLE_PATTERN: + *params = INT_TO_BOOL(ctx->Line.StipplePattern); + break; + case GL_LINE_STIPPLE_REPEAT: + *params = INT_TO_BOOL(ctx->Line.StippleFactor); + break; + case GL_LINE_WIDTH: + *params = FLOAT_TO_BOOL(ctx->Line.Width); + break; + case GL_LINE_WIDTH_GRANULARITY: + *params = FLOAT_TO_BOOL(ctx->Const.LineWidthGranularity); + break; + case GL_LINE_WIDTH_RANGE: + params[0] = FLOAT_TO_BOOL(ctx->Const.MinLineWidthAA); + params[1] = FLOAT_TO_BOOL(ctx->Const.MaxLineWidthAA); + break; + case GL_ALIASED_LINE_WIDTH_RANGE: + params[0] = FLOAT_TO_BOOL(ctx->Const.MinLineWidth); + params[1] = FLOAT_TO_BOOL(ctx->Const.MaxLineWidth); + break; + case GL_LIST_BASE: + *params = INT_TO_BOOL(ctx->List.ListBase); + break; + case GL_LIST_INDEX: + *params = INT_TO_BOOL( ctx->ListState.CurrentListNum ); + break; + case GL_LIST_MODE: + if (!ctx->CompileFlag) + *params = 0; + else if (ctx->ExecuteFlag) + *params = ENUM_TO_BOOL(GL_COMPILE_AND_EXECUTE); + else + *params = ENUM_TO_BOOL(GL_COMPILE); + break; + case GL_INDEX_LOGIC_OP: + *params = ctx->Color.IndexLogicOpEnabled; + break; + case GL_COLOR_LOGIC_OP: + *params = ctx->Color.ColorLogicOpEnabled; + break; + case GL_LOGIC_OP_MODE: + *params = ENUM_TO_BOOL(ctx->Color.LogicOp); + break; + case GL_MAP1_COLOR_4: + *params = ctx->Eval.Map1Color4; + break; + case GL_MAP1_GRID_DOMAIN: + params[0] = FLOAT_TO_BOOL(ctx->Eval.MapGrid1u1); + params[1] = FLOAT_TO_BOOL(ctx->Eval.MapGrid1u2); + break; + case GL_MAP1_GRID_SEGMENTS: + *params = INT_TO_BOOL(ctx->Eval.MapGrid1un); + break; + case GL_MAP1_INDEX: + *params = ctx->Eval.Map1Index; + break; + case GL_MAP1_NORMAL: + *params = ctx->Eval.Map1Normal; + break; + case GL_MAP1_TEXTURE_COORD_1: + *params = ctx->Eval.Map1TextureCoord1; + break; + case GL_MAP1_TEXTURE_COORD_2: + *params = ctx->Eval.Map1TextureCoord2; + break; + case GL_MAP1_TEXTURE_COORD_3: + *params = ctx->Eval.Map1TextureCoord3; + break; + case GL_MAP1_TEXTURE_COORD_4: + *params = ctx->Eval.Map1TextureCoord4; + break; + case GL_MAP1_VERTEX_3: + *params = ctx->Eval.Map1Vertex3; + break; + case GL_MAP1_VERTEX_4: + *params = ctx->Eval.Map1Vertex4; + break; + case GL_MAP2_COLOR_4: + *params = ctx->Eval.Map2Color4; + break; + case GL_MAP2_GRID_DOMAIN: + params[0] = FLOAT_TO_BOOL(ctx->Eval.MapGrid2u1); + params[1] = FLOAT_TO_BOOL(ctx->Eval.MapGrid2u2); + params[2] = FLOAT_TO_BOOL(ctx->Eval.MapGrid2v1); + params[3] = FLOAT_TO_BOOL(ctx->Eval.MapGrid2v2); + break; + case GL_MAP2_GRID_SEGMENTS: + params[0] = INT_TO_BOOL(ctx->Eval.MapGrid2un); + params[1] = INT_TO_BOOL(ctx->Eval.MapGrid2vn); + break; + case GL_MAP2_INDEX: + *params = ctx->Eval.Map2Index; + break; + case GL_MAP2_NORMAL: + *params = ctx->Eval.Map2Normal; + break; + case GL_MAP2_TEXTURE_COORD_1: + *params = ctx->Eval.Map2TextureCoord1; + break; + case GL_MAP2_TEXTURE_COORD_2: + *params = ctx->Eval.Map2TextureCoord2; + break; + case GL_MAP2_TEXTURE_COORD_3: + *params = ctx->Eval.Map2TextureCoord3; + break; + case GL_MAP2_TEXTURE_COORD_4: + *params = ctx->Eval.Map2TextureCoord4; + break; + case GL_MAP2_VERTEX_3: + *params = ctx->Eval.Map2Vertex3; + break; + case GL_MAP2_VERTEX_4: + *params = ctx->Eval.Map2Vertex4; + break; + case GL_MAP_COLOR: + *params = ctx->Pixel.MapColorFlag; + break; + case GL_MAP_STENCIL: + *params = ctx->Pixel.MapStencilFlag; + break; + case GL_MATRIX_MODE: + *params = ENUM_TO_BOOL( ctx->Transform.MatrixMode ); + break; + case GL_MAX_ATTRIB_STACK_DEPTH: + *params = INT_TO_BOOL(MAX_ATTRIB_STACK_DEPTH); + break; + case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH: + *params = INT_TO_BOOL( MAX_CLIENT_ATTRIB_STACK_DEPTH); + break; + case GL_MAX_CLIP_PLANES: + *params = INT_TO_BOOL(ctx->Const.MaxClipPlanes); + break; + case GL_MAX_ELEMENTS_VERTICES: /* GL_VERSION_1_2 */ + *params = INT_TO_BOOL(ctx->Const.MaxArrayLockSize); + break; + case GL_MAX_ELEMENTS_INDICES: /* GL_VERSION_1_2 */ + *params = INT_TO_BOOL(ctx->Const.MaxArrayLockSize); + break; + case GL_MAX_EVAL_ORDER: + *params = INT_TO_BOOL(MAX_EVAL_ORDER); + break; + case GL_MAX_LIGHTS: + *params = INT_TO_BOOL(ctx->Const.MaxLights); + break; + case GL_MAX_LIST_NESTING: + *params = INT_TO_BOOL(MAX_LIST_NESTING); + break; + case GL_MAX_MODELVIEW_STACK_DEPTH: + *params = INT_TO_BOOL(MAX_MODELVIEW_STACK_DEPTH); + break; + case GL_MAX_NAME_STACK_DEPTH: + *params = INT_TO_BOOL(MAX_NAME_STACK_DEPTH); + break; + case GL_MAX_PIXEL_MAP_TABLE: + *params = INT_TO_BOOL(MAX_PIXEL_MAP_TABLE); + break; + case GL_MAX_PROJECTION_STACK_DEPTH: + *params = INT_TO_BOOL(MAX_PROJECTION_STACK_DEPTH); + break; + case GL_MAX_TEXTURE_SIZE: + *params = INT_TO_BOOL(1 << (ctx->Const.MaxTextureLevels - 1)); + break; + case GL_MAX_3D_TEXTURE_SIZE: + *params = INT_TO_BOOL(1 << (ctx->Const.Max3DTextureLevels - 1)); + break; + case GL_MAX_TEXTURE_STACK_DEPTH: + *params = INT_TO_BOOL(MAX_TEXTURE_STACK_DEPTH); + break; + case GL_MAX_VIEWPORT_DIMS: + params[0] = INT_TO_BOOL(MAX_WIDTH); + params[1] = INT_TO_BOOL(MAX_HEIGHT); + break; + case GL_MODELVIEW_MATRIX: + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(ctx->ModelviewMatrixStack.Top->m[i]); + } + break; + case GL_MODELVIEW_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->ModelviewMatrixStack.Depth + 1); + break; + case GL_NAME_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->Select.NameStackDepth); + break; + case GL_NORMALIZE: + *params = ctx->Transform.Normalize; + break; + case GL_PACK_ALIGNMENT: + *params = INT_TO_BOOL(ctx->Pack.Alignment); + break; + case GL_PACK_LSB_FIRST: + *params = ctx->Pack.LsbFirst; + break; + case GL_PACK_ROW_LENGTH: + *params = INT_TO_BOOL(ctx->Pack.RowLength); + break; + case GL_PACK_SKIP_PIXELS: + *params = INT_TO_BOOL(ctx->Pack.SkipPixels); + break; + case GL_PACK_SKIP_ROWS: + *params = INT_TO_BOOL(ctx->Pack.SkipRows); + break; + case GL_PACK_SWAP_BYTES: + *params = ctx->Pack.SwapBytes; + break; + case GL_PACK_SKIP_IMAGES_EXT: + *params = INT_TO_BOOL(ctx->Pack.SkipImages); + break; + case GL_PACK_IMAGE_HEIGHT_EXT: + *params = INT_TO_BOOL(ctx->Pack.ImageHeight); + break; + case GL_PACK_INVERT_MESA: + *params = ctx->Pack.Invert; + break; + case GL_PERSPECTIVE_CORRECTION_HINT: + *params = ENUM_TO_BOOL(ctx->Hint.PerspectiveCorrection); + break; + case GL_PIXEL_MAP_A_TO_A_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapAtoAsize); + break; + case GL_PIXEL_MAP_B_TO_B_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapBtoBsize); + break; + case GL_PIXEL_MAP_G_TO_G_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapGtoGsize); + break; + case GL_PIXEL_MAP_I_TO_A_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapItoAsize); + break; + case GL_PIXEL_MAP_I_TO_B_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapItoBsize); + break; + case GL_PIXEL_MAP_I_TO_G_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapItoGsize); + break; + case GL_PIXEL_MAP_I_TO_I_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapItoIsize); + break; + case GL_PIXEL_MAP_I_TO_R_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapItoRsize); + break; + case GL_PIXEL_MAP_R_TO_R_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapRtoRsize); + break; + case GL_PIXEL_MAP_S_TO_S_SIZE: + *params = INT_TO_BOOL(ctx->Pixel.MapStoSsize); + break; + case GL_POINT_SIZE: + *params = FLOAT_TO_BOOL(ctx->Point.Size); + break; + case GL_POINT_SIZE_GRANULARITY: + *params = FLOAT_TO_BOOL(ctx->Const.PointSizeGranularity ); + break; + case GL_POINT_SIZE_RANGE: + params[0] = FLOAT_TO_BOOL(ctx->Const.MinPointSizeAA); + params[1] = FLOAT_TO_BOOL(ctx->Const.MaxPointSizeAA); + break; + case GL_ALIASED_POINT_SIZE_RANGE: + params[0] = FLOAT_TO_BOOL(ctx->Const.MinPointSize); + params[1] = FLOAT_TO_BOOL(ctx->Const.MaxPointSize); + break; + case GL_POINT_SMOOTH: + *params = ctx->Point.SmoothFlag; + break; + case GL_POINT_SMOOTH_HINT: + *params = ENUM_TO_BOOL(ctx->Hint.PointSmooth); + break; + case GL_POINT_SIZE_MIN_EXT: + *params = FLOAT_TO_BOOL(ctx->Point.MinSize); + break; + case GL_POINT_SIZE_MAX_EXT: + *params = FLOAT_TO_BOOL(ctx->Point.MaxSize); + break; + case GL_POINT_FADE_THRESHOLD_SIZE_EXT: + *params = FLOAT_TO_BOOL(ctx->Point.Threshold); + break; + case GL_DISTANCE_ATTENUATION_EXT: + params[0] = FLOAT_TO_BOOL(ctx->Point.Params[0]); + params[1] = FLOAT_TO_BOOL(ctx->Point.Params[1]); + params[2] = FLOAT_TO_BOOL(ctx->Point.Params[2]); + break; + case GL_POLYGON_MODE: + params[0] = ENUM_TO_BOOL(ctx->Polygon.FrontMode); + params[1] = ENUM_TO_BOOL(ctx->Polygon.BackMode); + break; + case GL_POLYGON_OFFSET_BIAS_EXT: /* GL_EXT_polygon_offset */ + *params = FLOAT_TO_BOOL( ctx->Polygon.OffsetUnits ); + break; + case GL_POLYGON_OFFSET_FACTOR: + *params = FLOAT_TO_BOOL( ctx->Polygon.OffsetFactor ); + break; + case GL_POLYGON_OFFSET_UNITS: + *params = FLOAT_TO_BOOL( ctx->Polygon.OffsetUnits ); + break; + case GL_POLYGON_SMOOTH: + *params = ctx->Polygon.SmoothFlag; + break; + case GL_POLYGON_SMOOTH_HINT: + *params = ENUM_TO_BOOL(ctx->Hint.PolygonSmooth); + break; + case GL_POLYGON_STIPPLE: + *params = ctx->Polygon.StippleFlag; + break; + case GL_PROJECTION_MATRIX: + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(ctx->ProjectionMatrixStack.Top->m[i]); + } + break; + case GL_PROJECTION_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->ProjectionMatrixStack.Depth + 1); + break; + case GL_READ_BUFFER: + *params = ENUM_TO_BOOL(ctx->Pixel.ReadBuffer); + break; + case GL_RED_BIAS: + *params = FLOAT_TO_BOOL(ctx->Pixel.RedBias); + break; + case GL_RED_BITS: + *params = INT_TO_BOOL( ctx->Visual.redBits ); + break; + case GL_RED_SCALE: + *params = FLOAT_TO_BOOL(ctx->Pixel.RedScale); + break; + case GL_RENDER_MODE: + *params = ENUM_TO_BOOL(ctx->RenderMode); + break; + case GL_RESCALE_NORMAL: + *params = ctx->Transform.RescaleNormals; + break; + case GL_RGBA_MODE: + *params = ctx->Visual.rgbMode; + break; + case GL_SCISSOR_BOX: + params[0] = INT_TO_BOOL(ctx->Scissor.X); + params[1] = INT_TO_BOOL(ctx->Scissor.Y); + params[2] = INT_TO_BOOL(ctx->Scissor.Width); + params[3] = INT_TO_BOOL(ctx->Scissor.Height); + break; + case GL_SCISSOR_TEST: + *params = ctx->Scissor.Enabled; + break; + case GL_SELECTION_BUFFER_SIZE: + *params = INT_TO_BOOL(ctx->Select.BufferSize); + break; + case GL_SHADE_MODEL: + *params = ENUM_TO_BOOL(ctx->Light.ShadeModel); + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + *params = ctx->Texture.SharedPalette; + break; + case GL_STENCIL_BITS: + *params = INT_TO_BOOL(ctx->Visual.stencilBits); + break; + case GL_STENCIL_CLEAR_VALUE: + *params = INT_TO_BOOL(ctx->Stencil.Clear); + break; + case GL_STENCIL_FAIL: + *params = ENUM_TO_BOOL(ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_FUNC: + *params = ENUM_TO_BOOL(ctx->Stencil.Function[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_FAIL: + *params = ENUM_TO_BOOL(ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_PASS: + *params = ENUM_TO_BOOL(ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_REF: + *params = INT_TO_BOOL(ctx->Stencil.Ref[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_TEST: + *params = ctx->Stencil.Enabled; + break; + case GL_STENCIL_VALUE_MASK: + *params = INT_TO_BOOL(ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_WRITEMASK: + *params = INT_TO_BOOL(ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]); + break; + case GL_STEREO: + *params = ctx->Visual.stereoMode; + break; + case GL_SUBPIXEL_BITS: + *params = INT_TO_BOOL(ctx->Const.SubPixelBits); + break; + case GL_TEXTURE_1D: + *params = _mesa_IsEnabled(GL_TEXTURE_1D); + break; + case GL_TEXTURE_2D: + *params = _mesa_IsEnabled(GL_TEXTURE_2D); + break; + case GL_TEXTURE_3D: + *params = _mesa_IsEnabled(GL_TEXTURE_3D); + break; + case GL_TEXTURE_BINDING_1D: + *params = INT_TO_BOOL(textureUnit->Current1D->Name); + break; + case GL_TEXTURE_BINDING_2D: + *params = INT_TO_BOOL(textureUnit->Current2D->Name); + break; + case GL_TEXTURE_BINDING_3D: + *params = INT_TO_BOOL(textureUnit->Current3D->Name); + break; + case GL_TEXTURE_ENV_COLOR: + { + params[0] = FLOAT_TO_BOOL(textureUnit->EnvColor[0]); + params[1] = FLOAT_TO_BOOL(textureUnit->EnvColor[1]); + params[2] = FLOAT_TO_BOOL(textureUnit->EnvColor[2]); + params[3] = FLOAT_TO_BOOL(textureUnit->EnvColor[3]); + } + break; + case GL_TEXTURE_ENV_MODE: + *params = ENUM_TO_BOOL(textureUnit->EnvMode); + break; + case GL_TEXTURE_GEN_S: + *params = (textureUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + break; + case GL_TEXTURE_GEN_T: + *params = (textureUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; + break; + case GL_TEXTURE_GEN_R: + *params = (textureUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + break; + case GL_TEXTURE_GEN_Q: + *params = (textureUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + break; + case GL_TEXTURE_MATRIX: + for (i=0;i<16;i++) { + params[i] = + FLOAT_TO_BOOL(ctx->TextureMatrixStack[texUnit].Top->m[i]); + } + break; + case GL_TEXTURE_STACK_DEPTH: + *params = INT_TO_BOOL(ctx->TextureMatrixStack[texUnit].Depth + 1); + break; + case GL_UNPACK_ALIGNMENT: + *params = INT_TO_BOOL(ctx->Unpack.Alignment); + break; + case GL_UNPACK_LSB_FIRST: + *params = ctx->Unpack.LsbFirst; + break; + case GL_UNPACK_ROW_LENGTH: + *params = INT_TO_BOOL(ctx->Unpack.RowLength); + break; + case GL_UNPACK_SKIP_PIXELS: + *params = INT_TO_BOOL(ctx->Unpack.SkipPixels); + break; + case GL_UNPACK_SKIP_ROWS: + *params = INT_TO_BOOL(ctx->Unpack.SkipRows); + break; + case GL_UNPACK_SWAP_BYTES: + *params = ctx->Unpack.SwapBytes; + break; + case GL_UNPACK_SKIP_IMAGES_EXT: + *params = ctx->Unpack.SkipImages; + break; + case GL_UNPACK_IMAGE_HEIGHT_EXT: + *params = ctx->Unpack.ImageHeight; + break; + case GL_UNPACK_CLIENT_STORAGE_APPLE: + *params = ctx->Unpack.ClientStorage; + break; + case GL_VIEWPORT: + params[0] = INT_TO_BOOL(ctx->Viewport.X); + params[1] = INT_TO_BOOL(ctx->Viewport.Y); + params[2] = INT_TO_BOOL(ctx->Viewport.Width); + params[3] = INT_TO_BOOL(ctx->Viewport.Height); + break; + case GL_ZOOM_X: + *params = FLOAT_TO_BOOL(ctx->Pixel.ZoomX); + break; + case GL_ZOOM_Y: + *params = FLOAT_TO_BOOL(ctx->Pixel.ZoomY); + break; + case GL_VERTEX_ARRAY: + *params = ctx->Array.Vertex.Enabled; + break; + case GL_VERTEX_ARRAY_SIZE: + *params = INT_TO_BOOL(ctx->Array.Vertex.Size); + break; + case GL_VERTEX_ARRAY_TYPE: + *params = ENUM_TO_BOOL(ctx->Array.Vertex.Type); + break; + case GL_VERTEX_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.Vertex.Stride); + break; + case GL_VERTEX_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + case GL_NORMAL_ARRAY: + *params = ctx->Array.Normal.Enabled; + break; + case GL_NORMAL_ARRAY_TYPE: + *params = ENUM_TO_BOOL(ctx->Array.Normal.Type); + break; + case GL_NORMAL_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.Normal.Stride); + break; + case GL_NORMAL_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + case GL_COLOR_ARRAY: + *params = ctx->Array.Color.Enabled; + break; + case GL_COLOR_ARRAY_SIZE: + *params = INT_TO_BOOL(ctx->Array.Color.Size); + break; + case GL_COLOR_ARRAY_TYPE: + *params = ENUM_TO_BOOL(ctx->Array.Color.Type); + break; + case GL_COLOR_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.Color.Stride); + break; + case GL_COLOR_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + case GL_INDEX_ARRAY: + *params = ctx->Array.Index.Enabled; + break; + case GL_INDEX_ARRAY_TYPE: + *params = ENUM_TO_BOOL(ctx->Array.Index.Type); + break; + case GL_INDEX_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.Index.Stride); + break; + case GL_INDEX_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + case GL_TEXTURE_COORD_ARRAY: + *params = ctx->Array.TexCoord[clientUnit].Enabled; + break; + case GL_TEXTURE_COORD_ARRAY_SIZE: + *params = INT_TO_BOOL(ctx->Array.TexCoord[clientUnit].Size); + break; + case GL_TEXTURE_COORD_ARRAY_TYPE: + *params = ENUM_TO_BOOL(ctx->Array.TexCoord[clientUnit].Type); + break; + case GL_TEXTURE_COORD_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.TexCoord[clientUnit].Stride); + break; + case GL_TEXTURE_COORD_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + case GL_EDGE_FLAG_ARRAY: + *params = ctx->Array.EdgeFlag.Enabled; + break; + case GL_EDGE_FLAG_ARRAY_STRIDE: + *params = INT_TO_BOOL(ctx->Array.EdgeFlag.Stride); + break; + case GL_EDGE_FLAG_ARRAY_COUNT_EXT: + *params = INT_TO_BOOL(0); + break; + + /* GL_ARB_multitexture */ + case GL_MAX_TEXTURE_UNITS_ARB: + CHECK_EXTENSION_B(ARB_multitexture, pname); + *params = INT_TO_BOOL(MIN2(ctx->Const.MaxTextureImageUnits, + ctx->Const.MaxTextureCoordUnits)); + break; + case GL_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_B(ARB_multitexture, pname); + *params = INT_TO_BOOL(GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit); + break; + case GL_CLIENT_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_B(ARB_multitexture, pname); + *params = INT_TO_BOOL(GL_TEXTURE0_ARB + clientUnit); + break; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION_B(ARB_texture_cube_map, pname); + *params = _mesa_IsEnabled(GL_TEXTURE_CUBE_MAP_ARB); + break; + case GL_TEXTURE_BINDING_CUBE_MAP_ARB: + CHECK_EXTENSION_B(ARB_texture_cube_map, pname); + *params = INT_TO_BOOL(textureUnit->CurrentCubeMap->Name); + break; + case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: + CHECK_EXTENSION_B(ARB_texture_cube_map, pname); + *params = INT_TO_BOOL(1 << (ctx->Const.MaxCubeTextureLevels - 1)); + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSION_HINT_ARB: + CHECK_EXTENSION_B(ARB_texture_compression, pname); + *params = INT_TO_BOOL(ctx->Hint.TextureCompression); + break; + case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_B(ARB_texture_compression, pname); + *params = INT_TO_BOOL(_mesa_get_compressed_formats(ctx, NULL)); + break; + case GL_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_B(ARB_texture_compression, pname); + { + GLint formats[100]; + GLuint i, n; + n = _mesa_get_compressed_formats(ctx, formats); + for (i = 0; i < n; i++) + params[i] = INT_TO_BOOL(formats[i]); + } + break; + + /* GL_EXT_compiled_vertex_array */ + case GL_ARRAY_ELEMENT_LOCK_FIRST_EXT: + *params = ctx->Array.LockFirst ? GL_TRUE : GL_FALSE; + break; + case GL_ARRAY_ELEMENT_LOCK_COUNT_EXT: + *params = ctx->Array.LockCount ? GL_TRUE : GL_FALSE; + break; + + /* GL_ARB_transpose_matrix */ + case GL_TRANSPOSE_COLOR_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ColorMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(tm[i]); + } + } + break; + case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ModelviewMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(tm[i]); + } + } + break; + case GL_TRANSPOSE_PROJECTION_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ProjectionMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(tm[i]); + } + } + break; + case GL_TRANSPOSE_TEXTURE_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->TextureMatrixStack[texUnit].Top->m); + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(tm[i]); + } + } + break; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION_B(HP_occlusion_test, pname); + *params = ctx->Depth.OcclusionTest; + return; + case GL_OCCLUSION_TEST_RESULT_HP: + CHECK_EXTENSION_B(HP_occlusion_test, pname); + if (ctx->Depth.OcclusionTest) + *params = ctx->OcclusionResult; + else + *params = ctx->OcclusionResultSaved; + /* reset flag now */ + ctx->OcclusionResult = GL_FALSE; + ctx->OcclusionResultSaved = GL_FALSE; + return; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + *params = ctx->Pixel.PixelTextureEnabled; + break; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + *params = ctx->Pixel.PixelTextureEnabled; + break; + case GL_PIXEL_TEX_GEN_MODE_SGIX: + *params = (GLboolean) pixel_texgen_mode(ctx); + break; + + /* GL_SGI_color_matrix (also in 1.2 imaging) */ + case GL_COLOR_MATRIX_SGI: + for (i=0;i<16;i++) { + params[i] = FLOAT_TO_BOOL(ctx->ColorMatrixStack.Top->m[i]); + } + break; + case GL_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = INT_TO_BOOL(ctx->ColorMatrixStack.Depth + 1); + break; + case GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = FLOAT_TO_BOOL(MAX_COLOR_STACK_DEPTH); + break; + case GL_POST_COLOR_MATRIX_RED_SCALE_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixScale[0]); + break; + case GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixScale[1]); + break; + case GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixScale[2]); + break; + case GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixScale[3]); + break; + case GL_POST_COLOR_MATRIX_RED_BIAS_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixBias[0]); + break; + case GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixBias[1]); + break; + case GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixBias[2]); + break; + case GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI: + *params = FLOAT_TO_BOOL(ctx->Pixel.PostColorMatrixBias[3]); + break; + + /* GL_EXT_convolution (also in 1.2 imaging) */ + case GL_CONVOLUTION_1D_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = ctx->Pixel.Convolution1DEnabled; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = ctx->Pixel.Convolution2DEnabled; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = ctx->Pixel.Separable2DEnabled; + break; + case GL_POST_CONVOLUTION_RED_SCALE_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionScale[0]); + break; + case GL_POST_CONVOLUTION_GREEN_SCALE_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionScale[1]); + break; + case GL_POST_CONVOLUTION_BLUE_SCALE_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionScale[2]); + break; + case GL_POST_CONVOLUTION_ALPHA_SCALE_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionScale[3]); + break; + case GL_POST_CONVOLUTION_RED_BIAS_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionBias[0]); + break; + case GL_POST_CONVOLUTION_GREEN_BIAS_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionBias[1]); + break; + case GL_POST_CONVOLUTION_BLUE_BIAS_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionBias[2]); + break; + case GL_POST_CONVOLUTION_ALPHA_BIAS_EXT: + CHECK_EXTENSION_B(EXT_convolution, pname); + *params = FLOAT_TO_BOOL(ctx->Pixel.PostConvolutionBias[3]); + break; + + /* GL_EXT_histogram (also in 1.2 imaging) */ + case GL_HISTOGRAM: + CHECK_EXTENSION_B(EXT_histogram, pname); + *params = ctx->Pixel.HistogramEnabled; + break; + case GL_MINMAX: + CHECK_EXTENSION_B(EXT_histogram, pname); + *params = ctx->Pixel.MinMaxEnabled; + break; + + /* GL_SGI_color_table (also in 1.2 imaging */ + case GL_COLOR_TABLE_SGI: + *params = ctx->Pixel.ColorTableEnabled; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + *params = ctx->Pixel.PostConvolutionColorTableEnabled; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + *params = ctx->Pixel.PostColorMatrixColorTableEnabled; + break; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION_B(SGI_texture_color_table, pname); + *params = textureUnit->ColorTableEnabled; + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + *params = ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + FLUSH_CURRENT(ctx, 0); + params[0] = INT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0]); + params[1] = INT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1]); + params[2] = INT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2]); + params[3] = INT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3]); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + *params = ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + *params = ENUM_TO_BOOL(ctx->Array.SecondaryColor.Type); + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + *params = INT_TO_BOOL(ctx->Array.SecondaryColor.Stride); + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + CHECK_EXTENSION_B(EXT_secondary_color, pname); + *params = INT_TO_BOOL(ctx->Array.SecondaryColor.Size); + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + CHECK_EXTENSION_B(EXT_fog_coord, pname); + FLUSH_CURRENT(ctx, 0); + *params = FLOAT_TO_BOOL(ctx->Current.Attrib[VERT_ATTRIB_FOG][0]); + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION_B(EXT_fog_coord, pname); + *params = ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + CHECK_EXTENSION_B(EXT_fog_coord, pname); + *params = ENUM_TO_BOOL(ctx->Array.FogCoord.Type); + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_B(EXT_fog_coord, pname); + *params = INT_TO_BOOL(ctx->Array.FogCoord.Stride); + break; + case GL_FOG_COORDINATE_SOURCE_EXT: + CHECK_EXTENSION_B(EXT_fog_coord, pname); + *params = ENUM_TO_BOOL(ctx->Fog.FogCoordinateSource); + break; + + /* GL_EXT_texture_lod_bias */ + case GL_MAX_TEXTURE_LOD_BIAS_EXT: + *params = FLOAT_TO_BOOL(ctx->Const.MaxTextureLodBias); + break; + + /* GL_EXT_texture_filter_anisotropic */ + case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: + CHECK_EXTENSION_B(EXT_texture_filter_anisotropic, pname); + *params = FLOAT_TO_BOOL(ctx->Const.MaxTextureMaxAnisotropy); + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = ctx->Multisample.Enabled; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = ctx->Multisample.SampleAlphaToCoverage; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = ctx->Multisample.SampleAlphaToOne; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = ctx->Multisample.SampleCoverage; + break; + case GL_SAMPLE_COVERAGE_VALUE_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = FLOAT_TO_BOOL(ctx->Multisample.SampleCoverageValue); + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = ctx->Multisample.SampleCoverageInvert; + break; + case GL_SAMPLE_BUFFERS_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = 0; /* XXX fix someday */ + break; + case GL_SAMPLES_ARB: + CHECK_EXTENSION_B(ARB_multisample, pname); + *params = 0; /* XXX fix someday */ + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION_B(IBM_rasterpos_clip, pname); + *params = ctx->Transform.RasterPositionUnclipped; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2_B(NV_point_sprite, ARB_point_sprite, pname); + *params = ctx->Point.PointSprite; + break; + case GL_POINT_SPRITE_R_MODE_NV: + CHECK_EXTENSION_B(NV_point_sprite, pname); + *params = ENUM_TO_BOOL(ctx->Point.SpriteRMode); + break; + case GL_POINT_SPRITE_COORD_ORIGIN: + CHECK_EXTENSION_B(ARB_point_sprite, pname); + *params = ENUM_TO_BOOL(ctx->Point.SpriteOrigin); + break; + + /* GL_SGIS_generate_mipmap */ + case GL_GENERATE_MIPMAP_HINT_SGIS: + CHECK_EXTENSION_B(SGIS_generate_mipmap, pname); + *params = ENUM_TO_BOOL(ctx->Hint.GenerateMipmap); + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = ctx->VertexProgram.Enabled; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = ctx->VertexProgram.PointSizeEnabled; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = ctx->VertexProgram.TwoSideEnabled; + break; + case GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = (ctx->Const.MaxProgramMatrixStackDepth > 0) ? GL_TRUE : GL_FALSE; + break; + case GL_MAX_TRACK_MATRICES_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = (ctx->Const.MaxProgramMatrices > 0) ? GL_TRUE : GL_FALSE; + break; + case GL_CURRENT_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = GL_TRUE; + break; + case GL_CURRENT_MATRIX_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + for (i = 0; i < 16; i++) + params[i] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[i]); + break; + case GL_VERTEX_PROGRAM_BINDING_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + if (ctx->VertexProgram.Current && + ctx->VertexProgram.Current->Base.Id != 0) + *params = GL_TRUE; + else + *params = GL_FALSE; + break; + case GL_PROGRAM_ERROR_POSITION_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + *params = (ctx->Program.ErrorPos != 0) ? GL_TRUE : GL_FALSE; + break; + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_VERTEX_ATTRIB_ARRAY0_NV; + *params = ctx->Array.VertexAttrib[n].Enabled; + } + break; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP1_VERTEX_ATTRIB0_4_NV; + *params = ctx->Eval.Map1Attrib[n]; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP2_VERTEX_ATTRIB0_4_NV; + *params = ctx->Eval.Map2Attrib[n]; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = ctx->FragmentProgram.Enabled; + break; + case GL_MAX_TEXTURE_COORDS_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = INT_TO_BOOL(ctx->Const.MaxTextureCoordUnits); + break; + case GL_MAX_TEXTURE_IMAGE_UNITS_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = INT_TO_BOOL(ctx->Const.MaxTextureImageUnits); + break; + case GL_FRAGMENT_PROGRAM_BINDING_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + if (ctx->FragmentProgram.Current && + ctx->FragmentProgram.Current->Base.Id != 0) + *params = GL_TRUE; + else + *params = GL_FALSE; + break; + case GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = MAX_NV_FRAGMENT_PROGRAM_PARAMS ? GL_TRUE : GL_FALSE; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION_B(NV_texture_rectangle, pname); + *params = _mesa_IsEnabled(GL_TEXTURE_RECTANGLE_NV); + break; + case GL_TEXTURE_BINDING_RECTANGLE_NV: + CHECK_EXTENSION_B(NV_texture_rectangle, pname); + *params = INT_TO_BOOL(textureUnit->CurrentRect->Name); + break; + case GL_MAX_RECTANGLE_TEXTURE_SIZE_NV: + CHECK_EXTENSION_B(NV_texture_rectangle, pname); + *params = INT_TO_BOOL(ctx->Const.MaxTextureRectSize); + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION_B(EXT_stencil_two_side, pname); + *params = ctx->Stencil.TestTwoSide; + break; + case GL_ACTIVE_STENCIL_FACE_EXT: + CHECK_EXTENSION_B(EXT_stencil_two_side, pname); + *params = ENUM_TO_BOOL(ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT); + break; + + /* GL_NV_light_max_exponent */ + case GL_MAX_SHININESS_NV: + *params = FLOAT_TO_BOOL(ctx->Const.MaxShininess); + break; + case GL_MAX_SPOT_EXPONENT_NV: + *params = FLOAT_TO_BOOL(ctx->Const.MaxSpotExponent); + break; + +#if FEATURE_ARB_vertex_buffer_object + case GL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.ArrayBufferObj->Name); + break; + case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.Vertex.BufferObj->Name); + break; + case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.Normal.BufferObj->Name); + break; + case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.Color.BufferObj->Name); + break; + case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.Index.BufferObj->Name); + break; + case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.TexCoord[clientUnit].BufferObj->Name); + break; + case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.EdgeFlag.BufferObj->Name); + break; + case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.SecondaryColor.BufferObj->Name); + break; + case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.FogCoord.BufferObj->Name); + break; + /*case GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB: - not supported */ + case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_B(ARB_vertex_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Array.ElementArrayBufferObj->Name); + break; +#endif +#if FEATURE_EXT_pixel_buffer_object + case GL_PIXEL_PACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_B(EXT_pixel_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Pack.BufferObj->Name); + break; + case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_B(EXT_pixel_buffer_object, pname); + *params = INT_TO_BOOL(ctx->Unpack.BufferObj->Name); + break; +#endif + +#if FEATURE_ARB_vertex_program + /* GL_NV_vertex_program and GL_ARB_fragment_program define others */ + case GL_MAX_VERTEX_ATTRIBS_ARB: + CHECK_EXTENSION_B(ARB_vertex_program, pname); + *params = (ctx->Const.MaxVertexProgramAttribs > 0) ? GL_TRUE : GL_FALSE; + break; +#endif + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION_B(ARB_fragment_program, pname); + *params = ctx->FragmentProgram.Enabled; + break; + case GL_TRANSPOSE_CURRENT_MATRIX_ARB: + CHECK_EXTENSION_B(ARB_fragment_program, pname); + params[0] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[0]); + params[1] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[4]); + params[2] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[8]); + params[3] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[12]); + params[4] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[1]); + params[5] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[5]); + params[6] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[9]); + params[7] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[13]); + params[8] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[2]); + params[9] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[6]); + params[10] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[10]); + params[11] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[14]); + params[12] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[3]); + params[13] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[7]); + params[14] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[11]); + params[15] = FLOAT_TO_BOOL(ctx->CurrentStack->Top->m[15]); + break; + /* Remaining ARB_fragment_program queries alias with + * the GL_NV_fragment_program queries. + */ +#endif + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION_B(EXT_depth_bounds_test, pname); + params[0] = ctx->Depth.BoundsTest; + break; + case GL_DEPTH_BOUNDS_EXT: + CHECK_EXTENSION_B(EXT_depth_bounds_test, pname); + params[0] = FLOAT_TO_BOOL(ctx->Depth.BoundsMin); + params[1] = FLOAT_TO_BOOL(ctx->Depth.BoundsMax); + break; + +#if FEATURE_MESA_program_debug + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_B(MESA_program_debug, pname); + *params = ctx->FragmentProgram.CallbackEnabled; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_B(MESA_program_debug, pname); + *params = ctx->VertexProgram.CallbackEnabled; + break; + case GL_FRAGMENT_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_B(MESA_program_debug, pname); + *params = INT_TO_BOOL(ctx->FragmentProgram.CurrentPosition); + break; + case GL_VERTEX_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_B(MESA_program_debug, pname); + *params = INT_TO_BOOL(ctx->VertexProgram.CurrentPosition); + break; +#endif + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv(pname=0x%x)", pname); + } +} + + +/** + * Get the value(s) of a selected parameter. + * + * \param pname parameter to be returned. + * \param params will hold the value(s) of the speficifed parameter. + * + * \sa glGetDoublev(). + * + * Tries to get the specified parameter via dd_function_table::GetDoublev, + * otherwise gets the specified parameter from the current context, converting + * it value into GLdouble. + */ +void GLAPIENTRY +_mesa_GetDoublev( GLenum pname, GLdouble *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint i; + const GLuint clientUnit = ctx->Array.ActiveTexture; + const GLuint texUnit = ctx->Texture.CurrentUnit; + const struct gl_texture_unit *textureUnit = &ctx->Texture.Unit[texUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetDoublev %s\n", _mesa_lookup_enum_by_nr(pname)); + + if (!ctx->_CurrentProgram) { + /* We need this in order to get correct results for + * GL_OCCLUSION_TEST_RESULT_HP. There might be other important cases. + */ + FLUSH_VERTICES(ctx, 0); + } + + if (ctx->Driver.GetDoublev && (*ctx->Driver.GetDoublev)(ctx, pname, params)) + return; + + switch (pname) { + case GL_ACCUM_RED_BITS: + *params = (GLdouble) ctx->Visual.accumRedBits; + break; + case GL_ACCUM_GREEN_BITS: + *params = (GLdouble) ctx->Visual.accumGreenBits; + break; + case GL_ACCUM_BLUE_BITS: + *params = (GLdouble) ctx->Visual.accumBlueBits; + break; + case GL_ACCUM_ALPHA_BITS: + *params = (GLdouble) ctx->Visual.accumAlphaBits; + break; + case GL_ACCUM_CLEAR_VALUE: + params[0] = (GLdouble) ctx->Accum.ClearColor[0]; + params[1] = (GLdouble) ctx->Accum.ClearColor[1]; + params[2] = (GLdouble) ctx->Accum.ClearColor[2]; + params[3] = (GLdouble) ctx->Accum.ClearColor[3]; + break; + case GL_ALPHA_BIAS: + *params = (GLdouble) ctx->Pixel.AlphaBias; + break; + case GL_ALPHA_BITS: + *params = (GLdouble) ctx->Visual.alphaBits; + break; + case GL_ALPHA_SCALE: + *params = (GLdouble) ctx->Pixel.AlphaScale; + break; + case GL_ALPHA_TEST: + *params = (GLdouble) ctx->Color.AlphaEnabled; + break; + case GL_ALPHA_TEST_FUNC: + *params = ENUM_TO_DOUBLE(ctx->Color.AlphaFunc); + break; + case GL_ALPHA_TEST_REF: + *params = (GLdouble) ctx->Color.AlphaRef; + break; + case GL_ATTRIB_STACK_DEPTH: + *params = (GLdouble ) (ctx->AttribStackDepth); + break; + case GL_AUTO_NORMAL: + *params = (GLdouble) ctx->Eval.AutoNormal; + break; + case GL_AUX_BUFFERS: + *params = (GLdouble) ctx->Visual.numAuxBuffers; + break; + case GL_BLEND: + *params = (GLdouble) ctx->Color.BlendEnabled; + break; + case GL_BLEND_DST: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_SRC_RGB_EXT: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_DST_RGB_EXT: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC_ALPHA_EXT: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendSrcA); + break; + case GL_BLEND_DST_ALPHA_EXT: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendDstA); + break; + case GL_BLEND_EQUATION: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendEquationRGB); + break; + case GL_BLEND_EQUATION_ALPHA_EXT: + *params = ENUM_TO_DOUBLE(ctx->Color.BlendEquationA); + break; + case GL_BLEND_COLOR_EXT: + params[0] = (GLdouble) ctx->Color.BlendColor[0]; + params[1] = (GLdouble) ctx->Color.BlendColor[1]; + params[2] = (GLdouble) ctx->Color.BlendColor[2]; + params[3] = (GLdouble) ctx->Color.BlendColor[3]; + break; + case GL_BLUE_BIAS: + *params = (GLdouble) ctx->Pixel.BlueBias; + break; + case GL_BLUE_BITS: + *params = (GLdouble) ctx->Visual.blueBits; + break; + case GL_BLUE_SCALE: + *params = (GLdouble) ctx->Pixel.BlueScale; + break; + case GL_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLdouble) (ctx->ClientAttribStackDepth); + break; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + if (ctx->Transform.ClipPlanesEnabled & (1 << (pname - GL_CLIP_PLANE0))) + *params = 1.0; + else + *params = 0.0; + break; + case GL_COLOR_CLEAR_VALUE: + params[0] = (GLdouble) ctx->Color.ClearColor[0]; + params[1] = (GLdouble) ctx->Color.ClearColor[1]; + params[2] = (GLdouble) ctx->Color.ClearColor[2]; + params[3] = (GLdouble) ctx->Color.ClearColor[3]; + break; + case GL_COLOR_MATERIAL: + *params = (GLdouble) ctx->Light.ColorMaterialEnabled; + break; + case GL_COLOR_MATERIAL_FACE: + *params = ENUM_TO_DOUBLE(ctx->Light.ColorMaterialFace); + break; + case GL_COLOR_MATERIAL_PARAMETER: + *params = ENUM_TO_DOUBLE(ctx->Light.ColorMaterialMode); + break; + case GL_COLOR_WRITEMASK: + params[0] = ctx->Color.ColorMask[RCOMP] ? 1.0 : 0.0; + params[1] = ctx->Color.ColorMask[GCOMP] ? 1.0 : 0.0; + params[2] = ctx->Color.ColorMask[BCOMP] ? 1.0 : 0.0; + params[3] = ctx->Color.ColorMask[ACOMP] ? 1.0 : 0.0; + break; + case GL_CULL_FACE: + *params = (GLdouble) ctx->Polygon.CullFlag; + break; + case GL_CULL_FACE_MODE: + *params = ENUM_TO_DOUBLE(ctx->Polygon.CullFaceMode); + break; + case GL_CURRENT_COLOR: + FLUSH_CURRENT(ctx, 0); + params[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]; + params[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]; + params[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]; + params[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]; + break; + case GL_CURRENT_INDEX: + FLUSH_CURRENT(ctx, 0); + *params = (GLdouble) ctx->Current.Index; + break; + case GL_CURRENT_NORMAL: + FLUSH_CURRENT(ctx, 0); + params[0] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]; + params[1] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]; + params[2] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]; + break; + case GL_CURRENT_RASTER_COLOR: + params[0] = (GLdouble) ctx->Current.RasterColor[0]; + params[1] = (GLdouble) ctx->Current.RasterColor[1]; + params[2] = (GLdouble) ctx->Current.RasterColor[2]; + params[3] = (GLdouble) ctx->Current.RasterColor[3]; + break; + case GL_CURRENT_RASTER_DISTANCE: + params[0] = (GLdouble) ctx->Current.RasterDistance; + break; + case GL_CURRENT_RASTER_INDEX: + *params = (GLdouble) ctx->Current.RasterIndex; + break; + case GL_CURRENT_RASTER_POSITION: + params[0] = (GLdouble) ctx->Current.RasterPos[0]; + params[1] = (GLdouble) ctx->Current.RasterPos[1]; + params[2] = (GLdouble) ctx->Current.RasterPos[2]; + params[3] = (GLdouble) ctx->Current.RasterPos[3]; + break; + case GL_CURRENT_RASTER_TEXTURE_COORDS: + params[0] = (GLdouble) ctx->Current.RasterTexCoords[texUnit][0]; + params[1] = (GLdouble) ctx->Current.RasterTexCoords[texUnit][1]; + params[2] = (GLdouble) ctx->Current.RasterTexCoords[texUnit][2]; + params[3] = (GLdouble) ctx->Current.RasterTexCoords[texUnit][3]; + break; + case GL_CURRENT_RASTER_POSITION_VALID: + *params = (GLdouble) ctx->Current.RasterPosValid; + break; + case GL_CURRENT_TEXTURE_COORDS: + FLUSH_CURRENT(ctx, 0); + params[0] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]; + params[1] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]; + params[2] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]; + params[3] = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]; + break; + case GL_DEPTH_BIAS: + *params = (GLdouble) ctx->Pixel.DepthBias; + break; + case GL_DEPTH_BITS: + *params = (GLdouble) ctx->Visual.depthBits; + break; + case GL_DEPTH_CLEAR_VALUE: + *params = (GLdouble) ctx->Depth.Clear; + break; + case GL_DEPTH_FUNC: + *params = ENUM_TO_DOUBLE(ctx->Depth.Func); + break; + case GL_DEPTH_RANGE: + params[0] = (GLdouble) ctx->Viewport.Near; + params[1] = (GLdouble) ctx->Viewport.Far; + break; + case GL_DEPTH_SCALE: + *params = (GLdouble) ctx->Pixel.DepthScale; + break; + case GL_DEPTH_TEST: + *params = (GLdouble) ctx->Depth.Test; + break; + case GL_DEPTH_WRITEMASK: + *params = (GLdouble) ctx->Depth.Mask; + break; + case GL_DITHER: + *params = (GLdouble) ctx->Color.DitherFlag; + break; + case GL_DOUBLEBUFFER: + *params = (GLdouble) ctx->Visual.doubleBufferMode; + break; + case GL_DRAW_BUFFER: + *params = ENUM_TO_DOUBLE(ctx->Color.DrawBuffer); + break; + case GL_EDGE_FLAG: + FLUSH_CURRENT(ctx, 0); + *params = (GLdouble) ctx->Current.EdgeFlag; + break; + case GL_FEEDBACK_BUFFER_SIZE: + *params = (GLdouble) ctx->Feedback.BufferSize; + break; + case GL_FEEDBACK_BUFFER_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Feedback.Type); + break; + case GL_FOG: + *params = (GLdouble) ctx->Fog.Enabled; + break; + case GL_FOG_COLOR: + params[0] = (GLdouble) ctx->Fog.Color[0]; + params[1] = (GLdouble) ctx->Fog.Color[1]; + params[2] = (GLdouble) ctx->Fog.Color[2]; + params[3] = (GLdouble) ctx->Fog.Color[3]; + break; + case GL_FOG_DENSITY: + *params = (GLdouble) ctx->Fog.Density; + break; + case GL_FOG_END: + *params = (GLdouble) ctx->Fog.End; + break; + case GL_FOG_HINT: + *params = ENUM_TO_DOUBLE(ctx->Hint.Fog); + break; + case GL_FOG_INDEX: + *params = (GLdouble) ctx->Fog.Index; + break; + case GL_FOG_MODE: + *params = ENUM_TO_DOUBLE(ctx->Fog.Mode); + break; + case GL_FOG_START: + *params = (GLdouble) ctx->Fog.Start; + break; + case GL_FRONT_FACE: + *params = ENUM_TO_DOUBLE(ctx->Polygon.FrontFace); + break; + case GL_GREEN_BIAS: + *params = (GLdouble) ctx->Pixel.GreenBias; + break; + case GL_GREEN_BITS: + *params = (GLdouble) ctx->Visual.greenBits; + break; + case GL_GREEN_SCALE: + *params = (GLdouble) ctx->Pixel.GreenScale; + break; + case GL_INDEX_BITS: + *params = (GLdouble) ctx->Visual.indexBits; + break; + case GL_INDEX_CLEAR_VALUE: + *params = (GLdouble) ctx->Color.ClearIndex; + break; + case GL_INDEX_MODE: + *params = ctx->Visual.rgbMode ? 0.0 : 1.0; + break; + case GL_INDEX_OFFSET: + *params = (GLdouble) ctx->Pixel.IndexOffset; + break; + case GL_INDEX_SHIFT: + *params = (GLdouble) ctx->Pixel.IndexShift; + break; + case GL_INDEX_WRITEMASK: + *params = (GLdouble) ctx->Color.IndexMask; + break; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + *params = (GLdouble) ctx->Light.Light[pname-GL_LIGHT0].Enabled; + break; + case GL_LIGHTING: + *params = (GLdouble) ctx->Light.Enabled; + break; + case GL_LIGHT_MODEL_AMBIENT: + params[0] = (GLdouble) ctx->Light.Model.Ambient[0]; + params[1] = (GLdouble) ctx->Light.Model.Ambient[1]; + params[2] = (GLdouble) ctx->Light.Model.Ambient[2]; + params[3] = (GLdouble) ctx->Light.Model.Ambient[3]; + break; + case GL_LIGHT_MODEL_COLOR_CONTROL: + params[0] = (GLdouble) ctx->Light.Model.ColorControl; + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + *params = (GLdouble) ctx->Light.Model.LocalViewer; + break; + case GL_LIGHT_MODEL_TWO_SIDE: + *params = (GLdouble) ctx->Light.Model.TwoSide; + break; + case GL_LINE_SMOOTH: + *params = (GLdouble) ctx->Line.SmoothFlag; + break; + case GL_LINE_SMOOTH_HINT: + *params = ENUM_TO_DOUBLE(ctx->Hint.LineSmooth); + break; + case GL_LINE_STIPPLE: + *params = (GLdouble) ctx->Line.StippleFlag; + break; + case GL_LINE_STIPPLE_PATTERN: + *params = (GLdouble) ctx->Line.StipplePattern; + break; + case GL_LINE_STIPPLE_REPEAT: + *params = (GLdouble) ctx->Line.StippleFactor; + break; + case GL_LINE_WIDTH: + *params = (GLdouble) ctx->Line.Width; + break; + case GL_LINE_WIDTH_GRANULARITY: + *params = (GLdouble) ctx->Const.LineWidthGranularity; + break; + case GL_LINE_WIDTH_RANGE: + params[0] = (GLdouble) ctx->Const.MinLineWidthAA; + params[1] = (GLdouble) ctx->Const.MaxLineWidthAA; + break; + case GL_ALIASED_LINE_WIDTH_RANGE: + params[0] = (GLdouble) ctx->Const.MinLineWidth; + params[1] = (GLdouble) ctx->Const.MaxLineWidth; + break; + case GL_LIST_BASE: + *params = (GLdouble) ctx->List.ListBase; + break; + case GL_LIST_INDEX: + *params = (GLdouble) ctx->ListState.CurrentListNum; + break; + case GL_LIST_MODE: + if (!ctx->CompileFlag) + *params = 0.0; + else if (ctx->ExecuteFlag) + *params = ENUM_TO_DOUBLE(GL_COMPILE_AND_EXECUTE); + else + *params = ENUM_TO_DOUBLE(GL_COMPILE); + break; + case GL_INDEX_LOGIC_OP: + *params = (GLdouble) ctx->Color.IndexLogicOpEnabled; + break; + case GL_COLOR_LOGIC_OP: + *params = (GLdouble) ctx->Color.ColorLogicOpEnabled; + break; + case GL_LOGIC_OP_MODE: + *params = ENUM_TO_DOUBLE(ctx->Color.LogicOp); + break; + case GL_MAP1_COLOR_4: + *params = (GLdouble) ctx->Eval.Map1Color4; + break; + case GL_MAP1_GRID_DOMAIN: + params[0] = (GLdouble) ctx->Eval.MapGrid1u1; + params[1] = (GLdouble) ctx->Eval.MapGrid1u2; + break; + case GL_MAP1_GRID_SEGMENTS: + *params = (GLdouble) ctx->Eval.MapGrid1un; + break; + case GL_MAP1_INDEX: + *params = (GLdouble) ctx->Eval.Map1Index; + break; + case GL_MAP1_NORMAL: + *params = (GLdouble) ctx->Eval.Map1Normal; + break; + case GL_MAP1_TEXTURE_COORD_1: + *params = (GLdouble) ctx->Eval.Map1TextureCoord1; + break; + case GL_MAP1_TEXTURE_COORD_2: + *params = (GLdouble) ctx->Eval.Map1TextureCoord2; + break; + case GL_MAP1_TEXTURE_COORD_3: + *params = (GLdouble) ctx->Eval.Map1TextureCoord3; + break; + case GL_MAP1_TEXTURE_COORD_4: + *params = (GLdouble) ctx->Eval.Map1TextureCoord4; + break; + case GL_MAP1_VERTEX_3: + *params = (GLdouble) ctx->Eval.Map1Vertex3; + break; + case GL_MAP1_VERTEX_4: + *params = (GLdouble) ctx->Eval.Map1Vertex4; + break; + case GL_MAP2_COLOR_4: + *params = (GLdouble) ctx->Eval.Map2Color4; + break; + case GL_MAP2_GRID_DOMAIN: + params[0] = (GLdouble) ctx->Eval.MapGrid2u1; + params[1] = (GLdouble) ctx->Eval.MapGrid2u2; + params[2] = (GLdouble) ctx->Eval.MapGrid2v1; + params[3] = (GLdouble) ctx->Eval.MapGrid2v2; + break; + case GL_MAP2_GRID_SEGMENTS: + params[0] = (GLdouble) ctx->Eval.MapGrid2un; + params[1] = (GLdouble) ctx->Eval.MapGrid2vn; + break; + case GL_MAP2_INDEX: + *params = (GLdouble) ctx->Eval.Map2Index; + break; + case GL_MAP2_NORMAL: + *params = (GLdouble) ctx->Eval.Map2Normal; + break; + case GL_MAP2_TEXTURE_COORD_1: + *params = (GLdouble) ctx->Eval.Map2TextureCoord1; + break; + case GL_MAP2_TEXTURE_COORD_2: + *params = (GLdouble) ctx->Eval.Map2TextureCoord2; + break; + case GL_MAP2_TEXTURE_COORD_3: + *params = (GLdouble) ctx->Eval.Map2TextureCoord3; + break; + case GL_MAP2_TEXTURE_COORD_4: + *params = (GLdouble) ctx->Eval.Map2TextureCoord4; + break; + case GL_MAP2_VERTEX_3: + *params = (GLdouble) ctx->Eval.Map2Vertex3; + break; + case GL_MAP2_VERTEX_4: + *params = (GLdouble) ctx->Eval.Map2Vertex4; + break; + case GL_MAP_COLOR: + *params = (GLdouble) ctx->Pixel.MapColorFlag; + break; + case GL_MAP_STENCIL: + *params = (GLdouble) ctx->Pixel.MapStencilFlag; + break; + case GL_MATRIX_MODE: + *params = ENUM_TO_DOUBLE(ctx->Transform.MatrixMode); + break; + case GL_MAX_ATTRIB_STACK_DEPTH: + *params = (GLdouble) MAX_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLdouble) MAX_CLIENT_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIP_PLANES: + *params = (GLdouble) ctx->Const.MaxClipPlanes; + break; + case GL_MAX_ELEMENTS_VERTICES: /* GL_VERSION_1_2 */ + *params = (GLdouble) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_ELEMENTS_INDICES: /* GL_VERSION_1_2 */ + *params = (GLdouble) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_EVAL_ORDER: + *params = (GLdouble) MAX_EVAL_ORDER; + break; + case GL_MAX_LIGHTS: + *params = (GLdouble) ctx->Const.MaxLights; + break; + case GL_MAX_LIST_NESTING: + *params = (GLdouble) MAX_LIST_NESTING; + break; + case GL_MAX_MODELVIEW_STACK_DEPTH: + *params = (GLdouble) MAX_MODELVIEW_STACK_DEPTH; + break; + case GL_MAX_NAME_STACK_DEPTH: + *params = (GLdouble) MAX_NAME_STACK_DEPTH; + break; + case GL_MAX_PIXEL_MAP_TABLE: + *params = (GLdouble) MAX_PIXEL_MAP_TABLE; + break; + case GL_MAX_PROJECTION_STACK_DEPTH: + *params = (GLdouble) MAX_PROJECTION_STACK_DEPTH; + break; + case GL_MAX_TEXTURE_SIZE: + *params = (GLdouble) (1 << (ctx->Const.MaxTextureLevels - 1)); + break; + case GL_MAX_3D_TEXTURE_SIZE: + *params = (GLdouble) (1 << (ctx->Const.Max3DTextureLevels - 1)); + break; + case GL_MAX_TEXTURE_STACK_DEPTH: + *params = (GLdouble) MAX_TEXTURE_STACK_DEPTH; + break; + case GL_MAX_VIEWPORT_DIMS: + params[0] = (GLdouble) MAX_WIDTH; + params[1] = (GLdouble) MAX_HEIGHT; + break; + case GL_MODELVIEW_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLdouble) ctx->ModelviewMatrixStack.Top->m[i]; + } + break; + case GL_MODELVIEW_STACK_DEPTH: + *params = (GLdouble) (ctx->ModelviewMatrixStack.Depth + 1); + break; + case GL_NAME_STACK_DEPTH: + *params = (GLdouble) ctx->Select.NameStackDepth; + break; + case GL_NORMALIZE: + *params = (GLdouble) ctx->Transform.Normalize; + break; + case GL_PACK_ALIGNMENT: + *params = (GLdouble) ctx->Pack.Alignment; + break; + case GL_PACK_LSB_FIRST: + *params = (GLdouble) ctx->Pack.LsbFirst; + break; + case GL_PACK_ROW_LENGTH: + *params = (GLdouble) ctx->Pack.RowLength; + break; + case GL_PACK_SKIP_PIXELS: + *params = (GLdouble) ctx->Pack.SkipPixels; + break; + case GL_PACK_SKIP_ROWS: + *params = (GLdouble) ctx->Pack.SkipRows; + break; + case GL_PACK_SWAP_BYTES: + *params = (GLdouble) ctx->Pack.SwapBytes; + break; + case GL_PACK_SKIP_IMAGES_EXT: + *params = (GLdouble) ctx->Pack.SkipImages; + break; + case GL_PACK_IMAGE_HEIGHT_EXT: + *params = (GLdouble) ctx->Pack.ImageHeight; + break; + case GL_PACK_INVERT_MESA: + *params = (GLdouble) ctx->Pack.Invert; + break; + case GL_PERSPECTIVE_CORRECTION_HINT: + *params = ENUM_TO_DOUBLE(ctx->Hint.PerspectiveCorrection); + break; + case GL_PIXEL_MAP_A_TO_A_SIZE: + *params = (GLdouble) ctx->Pixel.MapAtoAsize; + break; + case GL_PIXEL_MAP_B_TO_B_SIZE: + *params = (GLdouble) ctx->Pixel.MapBtoBsize; + break; + case GL_PIXEL_MAP_G_TO_G_SIZE: + *params = (GLdouble) ctx->Pixel.MapGtoGsize; + break; + case GL_PIXEL_MAP_I_TO_A_SIZE: + *params = (GLdouble) ctx->Pixel.MapItoAsize; + break; + case GL_PIXEL_MAP_I_TO_B_SIZE: + *params = (GLdouble) ctx->Pixel.MapItoBsize; + break; + case GL_PIXEL_MAP_I_TO_G_SIZE: + *params = (GLdouble) ctx->Pixel.MapItoGsize; + break; + case GL_PIXEL_MAP_I_TO_I_SIZE: + *params = (GLdouble) ctx->Pixel.MapItoIsize; + break; + case GL_PIXEL_MAP_I_TO_R_SIZE: + *params = (GLdouble) ctx->Pixel.MapItoRsize; + break; + case GL_PIXEL_MAP_R_TO_R_SIZE: + *params = (GLdouble) ctx->Pixel.MapRtoRsize; + break; + case GL_PIXEL_MAP_S_TO_S_SIZE: + *params = (GLdouble) ctx->Pixel.MapStoSsize; + break; + case GL_POINT_SIZE: + *params = (GLdouble) ctx->Point.Size; + break; + case GL_POINT_SIZE_GRANULARITY: + *params = (GLdouble) ctx->Const.PointSizeGranularity; + break; + case GL_POINT_SIZE_RANGE: + params[0] = (GLdouble) ctx->Const.MinPointSizeAA; + params[1] = (GLdouble) ctx->Const.MaxPointSizeAA; + break; + case GL_ALIASED_POINT_SIZE_RANGE: + params[0] = (GLdouble) ctx->Const.MinPointSize; + params[1] = (GLdouble) ctx->Const.MaxPointSize; + break; + case GL_POINT_SMOOTH: + *params = (GLdouble) ctx->Point.SmoothFlag; + break; + case GL_POINT_SMOOTH_HINT: + *params = ENUM_TO_DOUBLE(ctx->Hint.PointSmooth); + break; + case GL_POINT_SIZE_MIN_EXT: + *params = (GLdouble) (ctx->Point.MinSize); + break; + case GL_POINT_SIZE_MAX_EXT: + *params = (GLdouble) (ctx->Point.MaxSize); + break; + case GL_POINT_FADE_THRESHOLD_SIZE_EXT: + *params = (GLdouble) (ctx->Point.Threshold); + break; + case GL_DISTANCE_ATTENUATION_EXT: + params[0] = (GLdouble) (ctx->Point.Params[0]); + params[1] = (GLdouble) (ctx->Point.Params[1]); + params[2] = (GLdouble) (ctx->Point.Params[2]); + break; + case GL_POLYGON_MODE: + params[0] = ENUM_TO_DOUBLE(ctx->Polygon.FrontMode); + params[1] = ENUM_TO_DOUBLE(ctx->Polygon.BackMode); + break; + case GL_POLYGON_OFFSET_BIAS_EXT: /* GL_EXT_polygon_offset */ + *params = (GLdouble) ctx->Polygon.OffsetUnits; + break; + case GL_POLYGON_OFFSET_FACTOR: + *params = (GLdouble) ctx->Polygon.OffsetFactor; + break; + case GL_POLYGON_OFFSET_UNITS: + *params = (GLdouble) ctx->Polygon.OffsetUnits; + break; + case GL_POLYGON_SMOOTH: + *params = (GLdouble) ctx->Polygon.SmoothFlag; + break; + case GL_POLYGON_SMOOTH_HINT: + *params = ENUM_TO_DOUBLE(ctx->Hint.PolygonSmooth); + break; + case GL_POLYGON_STIPPLE: + *params = (GLdouble) ctx->Polygon.StippleFlag; + break; + case GL_PROJECTION_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLdouble) ctx->ProjectionMatrixStack.Top->m[i]; + } + break; + case GL_PROJECTION_STACK_DEPTH: + *params = (GLdouble) (ctx->ProjectionMatrixStack.Depth + 1); + break; + case GL_READ_BUFFER: + *params = ENUM_TO_DOUBLE(ctx->Pixel.ReadBuffer); + break; + case GL_RED_BIAS: + *params = (GLdouble) ctx->Pixel.RedBias; + break; + case GL_RED_BITS: + *params = (GLdouble) ctx->Visual.redBits; + break; + case GL_RED_SCALE: + *params = (GLdouble) ctx->Pixel.RedScale; + break; + case GL_RENDER_MODE: + *params = ENUM_TO_DOUBLE(ctx->RenderMode); + break; + case GL_RESCALE_NORMAL: + *params = (GLdouble) ctx->Transform.RescaleNormals; + break; + case GL_RGBA_MODE: + *params = (GLdouble) ctx->Visual.rgbMode; + break; + case GL_SCISSOR_BOX: + params[0] = (GLdouble) ctx->Scissor.X; + params[1] = (GLdouble) ctx->Scissor.Y; + params[2] = (GLdouble) ctx->Scissor.Width; + params[3] = (GLdouble) ctx->Scissor.Height; + break; + case GL_SCISSOR_TEST: + *params = (GLdouble) ctx->Scissor.Enabled; + break; + case GL_SELECTION_BUFFER_SIZE: + *params = (GLdouble) ctx->Select.BufferSize; + break; + case GL_SHADE_MODEL: + *params = ENUM_TO_DOUBLE(ctx->Light.ShadeModel); + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + *params = (GLdouble) ctx->Texture.SharedPalette; + break; + case GL_STENCIL_BITS: + *params = (GLdouble) ctx->Visual.stencilBits; + break; + case GL_STENCIL_CLEAR_VALUE: + *params = (GLdouble) ctx->Stencil.Clear; + break; + case GL_STENCIL_FAIL: + *params = ENUM_TO_DOUBLE(ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_FUNC: + *params = ENUM_TO_DOUBLE(ctx->Stencil.Function[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_FAIL: + *params = ENUM_TO_DOUBLE(ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_PASS: + *params = ENUM_TO_DOUBLE(ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_REF: + *params = (GLdouble) ctx->Stencil.Ref[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_TEST: + *params = (GLdouble) ctx->Stencil.Enabled; + break; + case GL_STENCIL_VALUE_MASK: + *params = (GLdouble) ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_WRITEMASK: + *params = (GLdouble) ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]; + break; + case GL_STEREO: + *params = (GLdouble) ctx->Visual.stereoMode; + break; + case GL_SUBPIXEL_BITS: + *params = (GLdouble) ctx->Const.SubPixelBits; + break; + case GL_TEXTURE_1D: + *params = _mesa_IsEnabled(GL_TEXTURE_1D) ? 1.0 : 0.0; + break; + case GL_TEXTURE_2D: + *params = _mesa_IsEnabled(GL_TEXTURE_2D) ? 1.0 : 0.0; + break; + case GL_TEXTURE_3D: + *params = _mesa_IsEnabled(GL_TEXTURE_3D) ? 1.0 : 0.0; + break; + case GL_TEXTURE_BINDING_1D: + *params = (GLdouble) textureUnit->Current1D->Name; + break; + case GL_TEXTURE_BINDING_2D: + *params = (GLdouble) textureUnit->Current2D->Name; + break; + case GL_TEXTURE_BINDING_3D: + *params = (GLdouble) textureUnit->Current3D->Name; + break; + case GL_TEXTURE_ENV_COLOR: + params[0] = (GLdouble) textureUnit->EnvColor[0]; + params[1] = (GLdouble) textureUnit->EnvColor[1]; + params[2] = (GLdouble) textureUnit->EnvColor[2]; + params[3] = (GLdouble) textureUnit->EnvColor[3]; + break; + case GL_TEXTURE_ENV_MODE: + *params = ENUM_TO_DOUBLE(textureUnit->EnvMode); + break; + case GL_TEXTURE_GEN_S: + *params = (textureUnit->TexGenEnabled & S_BIT) ? 1.0 : 0.0; + break; + case GL_TEXTURE_GEN_T: + *params = (textureUnit->TexGenEnabled & T_BIT) ? 1.0 : 0.0; + break; + case GL_TEXTURE_GEN_R: + *params = (textureUnit->TexGenEnabled & R_BIT) ? 1.0 : 0.0; + break; + case GL_TEXTURE_GEN_Q: + *params = (textureUnit->TexGenEnabled & Q_BIT) ? 1.0 : 0.0; + break; + case GL_TEXTURE_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLdouble) ctx->TextureMatrixStack[texUnit].Top->m[i]; + } + break; + case GL_TEXTURE_STACK_DEPTH: + *params = (GLdouble) (ctx->TextureMatrixStack[texUnit].Depth + 1); + break; + case GL_UNPACK_ALIGNMENT: + *params = (GLdouble) ctx->Unpack.Alignment; + break; + case GL_UNPACK_LSB_FIRST: + *params = (GLdouble) ctx->Unpack.LsbFirst; + break; + case GL_UNPACK_ROW_LENGTH: + *params = (GLdouble) ctx->Unpack.RowLength; + break; + case GL_UNPACK_SKIP_PIXELS: + *params = (GLdouble) ctx->Unpack.SkipPixels; + break; + case GL_UNPACK_SKIP_ROWS: + *params = (GLdouble) ctx->Unpack.SkipRows; + break; + case GL_UNPACK_SWAP_BYTES: + *params = (GLdouble) ctx->Unpack.SwapBytes; + break; + case GL_UNPACK_SKIP_IMAGES_EXT: + *params = (GLdouble) ctx->Unpack.SkipImages; + break; + case GL_UNPACK_IMAGE_HEIGHT_EXT: + *params = (GLdouble) ctx->Unpack.ImageHeight; + break; + case GL_UNPACK_CLIENT_STORAGE_APPLE: + *params = (GLdouble) ctx->Unpack.ClientStorage; + break; + case GL_VIEWPORT: + params[0] = (GLdouble) ctx->Viewport.X; + params[1] = (GLdouble) ctx->Viewport.Y; + params[2] = (GLdouble) ctx->Viewport.Width; + params[3] = (GLdouble) ctx->Viewport.Height; + break; + case GL_ZOOM_X: + *params = (GLdouble) ctx->Pixel.ZoomX; + break; + case GL_ZOOM_Y: + *params = (GLdouble) ctx->Pixel.ZoomY; + break; + case GL_VERTEX_ARRAY: + *params = (GLdouble) ctx->Array.Vertex.Enabled; + break; + case GL_VERTEX_ARRAY_SIZE: + *params = (GLdouble) ctx->Array.Vertex.Size; + break; + case GL_VERTEX_ARRAY_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Array.Vertex.Type); + break; + case GL_VERTEX_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.Vertex.Stride; + break; + case GL_VERTEX_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_NORMAL_ARRAY: + *params = (GLdouble) ctx->Array.Normal.Enabled; + break; + case GL_NORMAL_ARRAY_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Array.Normal.Type); + break; + case GL_NORMAL_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.Normal.Stride; + break; + case GL_NORMAL_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_COLOR_ARRAY: + *params = (GLdouble) ctx->Array.Color.Enabled; + break; + case GL_COLOR_ARRAY_SIZE: + *params = (GLdouble) ctx->Array.Color.Size; + break; + case GL_COLOR_ARRAY_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Array.Color.Type); + break; + case GL_COLOR_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.Color.Stride; + break; + case GL_COLOR_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_INDEX_ARRAY: + *params = (GLdouble) ctx->Array.Index.Enabled; + break; + case GL_INDEX_ARRAY_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Array.Index.Type); + break; + case GL_INDEX_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.Index.Stride; + break; + case GL_INDEX_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_TEXTURE_COORD_ARRAY: + *params = (GLdouble) ctx->Array.TexCoord[clientUnit].Enabled; + break; + case GL_TEXTURE_COORD_ARRAY_SIZE: + *params = (GLdouble) ctx->Array.TexCoord[clientUnit].Size; + break; + case GL_TEXTURE_COORD_ARRAY_TYPE: + *params = ENUM_TO_DOUBLE(ctx->Array.TexCoord[clientUnit].Type); + break; + case GL_TEXTURE_COORD_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.TexCoord[clientUnit].Stride; + break; + case GL_TEXTURE_COORD_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_EDGE_FLAG_ARRAY: + *params = (GLdouble) ctx->Array.EdgeFlag.Enabled; + break; + case GL_EDGE_FLAG_ARRAY_STRIDE: + *params = (GLdouble) ctx->Array.EdgeFlag.Stride; + break; + case GL_EDGE_FLAG_ARRAY_COUNT_EXT: + *params = 0.0; + break; + + /* GL_ARB_multitexture */ + case GL_MAX_TEXTURE_UNITS_ARB: + CHECK_EXTENSION_D(ARB_multitexture, pname); + *params = (GLdouble) MIN2(ctx->Const.MaxTextureImageUnits, + ctx->Const.MaxTextureCoordUnits); + break; + case GL_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_D(ARB_multitexture, pname); + *params = (GLdouble) (GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit); + break; + case GL_CLIENT_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_D(ARB_multitexture, pname); + *params = (GLdouble) (GL_TEXTURE0_ARB + clientUnit); + break; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION_D(ARB_texture_cube_map, pname); + *params = (GLdouble) _mesa_IsEnabled(GL_TEXTURE_CUBE_MAP_ARB); + break; + case GL_TEXTURE_BINDING_CUBE_MAP_ARB: + CHECK_EXTENSION_D(ARB_texture_cube_map, pname); + *params = (GLdouble) textureUnit->CurrentCubeMap->Name; + break; + case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: + CHECK_EXTENSION_D(ARB_texture_cube_map, pname); + *params = (GLdouble) (1 << (ctx->Const.MaxCubeTextureLevels - 1)); + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSION_HINT_ARB: + CHECK_EXTENSION_D(ARB_texture_compression, pname); + *params = (GLdouble) ctx->Hint.TextureCompression; + break; + case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_D(ARB_texture_compression, pname); + *params = (GLdouble) _mesa_get_compressed_formats(ctx, NULL); + break; + case GL_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_D(ARB_texture_compression, pname); + { + GLint formats[100]; + GLuint i, n; + n = _mesa_get_compressed_formats(ctx, formats); + for (i = 0; i < n; i++) + params[i] = (GLdouble) formats[i]; + } + break; + + /* GL_EXT_compiled_vertex_array */ + case GL_ARRAY_ELEMENT_LOCK_FIRST_EXT: + *params = (GLdouble) ctx->Array.LockFirst; + break; + case GL_ARRAY_ELEMENT_LOCK_COUNT_EXT: + *params = (GLdouble) ctx->Array.LockCount; + break; + + /* GL_ARB_transpose_matrix */ + case GL_TRANSPOSE_COLOR_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ColorMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLdouble) tm[i]; + } + } + break; + case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ModelviewMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLdouble) tm[i]; + } + } + break; + case GL_TRANSPOSE_PROJECTION_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ProjectionMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLdouble) tm[i]; + } + } + break; + case GL_TRANSPOSE_TEXTURE_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->TextureMatrixStack[texUnit].Top->m); + for (i=0;i<16;i++) { + params[i] = (GLdouble) tm[i]; + } + } + break; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION_D(HP_occlusion_test, pname); + *params = (GLdouble) ctx->Depth.OcclusionTest; + break; + case GL_OCCLUSION_TEST_RESULT_HP: + CHECK_EXTENSION_D(HP_occlusion_test, pname); + if (ctx->Depth.OcclusionTest) + *params = (GLdouble) ctx->OcclusionResult; + else + *params = (GLdouble) ctx->OcclusionResultSaved; + /* reset flag now */ + ctx->OcclusionResult = GL_FALSE; + ctx->OcclusionResultSaved = GL_FALSE; + break; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + *params = (GLdouble) ctx->Pixel.PixelTextureEnabled; + break; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + *params = (GLdouble) ctx->Pixel.PixelTextureEnabled; + break; + case GL_PIXEL_TEX_GEN_MODE_SGIX: + *params = (GLdouble) pixel_texgen_mode(ctx); + break; + + /* GL_SGI_color_matrix (also in 1.2 imaging) */ + case GL_COLOR_MATRIX_SGI: + for (i=0;i<16;i++) { + params[i] = (GLdouble) ctx->ColorMatrixStack.Top->m[i]; + } + break; + case GL_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = (GLdouble) (ctx->ColorMatrixStack.Depth + 1); + break; + case GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = (GLdouble) MAX_COLOR_STACK_DEPTH; + break; + case GL_POST_COLOR_MATRIX_RED_SCALE_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixScale[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixScale[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixScale[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixScale[3]; + break; + case GL_POST_COLOR_MATRIX_RED_BIAS_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixBias[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixBias[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixBias[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixBias[3]; + break; + + /* GL_EXT_convolution (also in 1.2 imaging) */ + case GL_CONVOLUTION_1D_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.Convolution1DEnabled; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.Convolution2DEnabled; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.Separable2DEnabled; + break; + case GL_POST_CONVOLUTION_RED_SCALE_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionScale[0]; + break; + case GL_POST_CONVOLUTION_GREEN_SCALE_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionScale[1]; + break; + case GL_POST_CONVOLUTION_BLUE_SCALE_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionScale[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_SCALE_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionScale[3]; + break; + case GL_POST_CONVOLUTION_RED_BIAS_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionBias[0]; + break; + case GL_POST_CONVOLUTION_GREEN_BIAS_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionBias[1]; + break; + case GL_POST_CONVOLUTION_BLUE_BIAS_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionBias[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_BIAS_EXT: + CHECK_EXTENSION_D(EXT_convolution, pname); + *params = (GLdouble) ctx->Pixel.PostConvolutionBias[3]; + break; + + /* GL_EXT_histogram (also in 1.2 imaging) */ + case GL_HISTOGRAM: + CHECK_EXTENSION_D(EXT_histogram, pname); + *params = (GLdouble) ctx->Pixel.HistogramEnabled; + break; + case GL_MINMAX: + CHECK_EXTENSION_D(EXT_histogram, pname); + *params = (GLdouble) ctx->Pixel.MinMaxEnabled; + break; + + /* GL_SGI_color_table (also in 1.2 imaging */ + case GL_COLOR_TABLE_SGI: + *params = (GLdouble) ctx->Pixel.ColorTableEnabled; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + *params = (GLdouble) ctx->Pixel.PostConvolutionColorTableEnabled; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + *params = (GLdouble) ctx->Pixel.PostColorMatrixColorTableEnabled; + break; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION_D(SGI_texture_color_table, pname); + *params = (GLdouble) textureUnit->ColorTableEnabled; + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + *params = (GLdouble) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + FLUSH_CURRENT(ctx, 0); + params[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0]; + params[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1]; + params[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2]; + params[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3]; + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + *params = (GLdouble) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + *params = (GLdouble) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + *params = (GLdouble) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + CHECK_EXTENSION_D(EXT_secondary_color, pname); + *params = (GLdouble) ctx->Array.SecondaryColor.Size; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + CHECK_EXTENSION_D(EXT_fog_coord, pname); + FLUSH_CURRENT(ctx, 0); + *params = (GLdouble) ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION_D(EXT_fog_coord, pname); + *params = (GLdouble) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + CHECK_EXTENSION_D(EXT_fog_coord, pname); + *params = (GLdouble) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_D(EXT_fog_coord, pname); + *params = (GLdouble) ctx->Array.FogCoord.Stride; + break; + case GL_FOG_COORDINATE_SOURCE_EXT: + CHECK_EXTENSION_D(EXT_fog_coord, pname); + *params = (GLdouble) ctx->Fog.FogCoordinateSource; + break; + + /* GL_EXT_texture_lod_bias */ + case GL_MAX_TEXTURE_LOD_BIAS_EXT: + *params = (GLdouble) ctx->Const.MaxTextureLodBias; + break; + + /* GL_EXT_texture_filter_anisotropic */ + case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: + CHECK_EXTENSION_D(EXT_texture_filter_anisotropic, pname); + *params = (GLdouble) ctx->Const.MaxTextureMaxAnisotropy; + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = (GLdouble) ctx->Multisample.Enabled; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = (GLdouble) ctx->Multisample.SampleAlphaToCoverage; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = (GLdouble) ctx->Multisample.SampleAlphaToOne; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = (GLdouble) ctx->Multisample.SampleCoverage; + break; + case GL_SAMPLE_COVERAGE_VALUE_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = ctx->Multisample.SampleCoverageValue; + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = (GLdouble) ctx->Multisample.SampleCoverageInvert; + break; + case GL_SAMPLE_BUFFERS_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = 0.0; /* XXX fix someday */ + break; + case GL_SAMPLES_ARB: + CHECK_EXTENSION_D(ARB_multisample, pname); + *params = 0.0; /* XXX fix someday */ + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION_D(IBM_rasterpos_clip, pname); + *params = (GLdouble) ctx->Transform.RasterPositionUnclipped; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2_D(NV_point_sprite, ARB_point_sprite, pname); + *params = (GLdouble) ctx->Point.PointSprite; + break; + case GL_POINT_SPRITE_R_MODE_NV: + CHECK_EXTENSION_D(NV_point_sprite, pname); + *params = (GLdouble) ctx->Point.SpriteRMode; + break; + case GL_POINT_SPRITE_COORD_ORIGIN: + CHECK_EXTENSION_D(ARB_point_sprite, pname); + *params = (GLdouble) ctx->Point.SpriteOrigin; + break; + + /* GL_SGIS_generate_mipmap */ + case GL_GENERATE_MIPMAP_HINT_SGIS: + CHECK_EXTENSION_D(SGIS_generate_mipmap, pname); + *params = (GLdouble) ctx->Hint.GenerateMipmap; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->VertexProgram.Enabled; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->VertexProgram.PointSizeEnabled; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->VertexProgram.TwoSideEnabled; + break; + case GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->Const.MaxProgramMatrixStackDepth; + break; + case GL_MAX_TRACK_MATRICES_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->Const.MaxProgramMatrices; + break; + case GL_CURRENT_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->CurrentStack->Depth + 1; + break; + case GL_CURRENT_MATRIX_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + for (i = 0; i < 16; i++) + params[i] = (GLdouble) ctx->CurrentStack->Top->m[i]; + break; + case GL_VERTEX_PROGRAM_BINDING_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + if (ctx->VertexProgram.Current) + *params = (GLdouble) ctx->VertexProgram.Current->Base.Id; + else + *params = 0.0; + break; + case GL_PROGRAM_ERROR_POSITION_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + *params = (GLdouble) ctx->Program.ErrorPos; + break; + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION_D(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_VERTEX_ATTRIB_ARRAY0_NV; + *params = (GLdouble) ctx->Array.VertexAttrib[n].Enabled; + } + break; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP1_VERTEX_ATTRIB0_4_NV; + *params = (GLdouble) ctx->Eval.Map1Attrib[n]; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_B(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP2_VERTEX_ATTRIB0_4_NV; + *params = (GLdouble) ctx->Eval.Map2Attrib[n]; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION_D(NV_fragment_program, pname); + *params = (GLdouble) ctx->FragmentProgram.Enabled; + break; + case GL_MAX_TEXTURE_COORDS_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = (GLdouble) ctx->Const.MaxTextureCoordUnits; + break; + case GL_MAX_TEXTURE_IMAGE_UNITS_NV: + CHECK_EXTENSION_B(NV_fragment_program, pname); + *params = (GLdouble) ctx->Const.MaxTextureImageUnits; + break; + case GL_FRAGMENT_PROGRAM_BINDING_NV: + CHECK_EXTENSION_D(NV_fragment_program, pname); + if (ctx->FragmentProgram.Current) + *params = (GLdouble) ctx->FragmentProgram.Current->Base.Id; + else + *params = 0.0; + break; + case GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV: + CHECK_EXTENSION_D(NV_fragment_program, pname); + *params = (GLdouble) MAX_NV_FRAGMENT_PROGRAM_PARAMS; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION_D(NV_texture_rectangle, pname); + *params = (GLdouble) _mesa_IsEnabled(GL_TEXTURE_RECTANGLE_NV); + break; + case GL_TEXTURE_BINDING_RECTANGLE_NV: + CHECK_EXTENSION_D(NV_texture_rectangle, pname); + *params = (GLdouble) textureUnit->CurrentRect->Name; + break; + case GL_MAX_RECTANGLE_TEXTURE_SIZE_NV: + CHECK_EXTENSION_D(NV_texture_rectangle, pname); + *params = (GLdouble) ctx->Const.MaxTextureRectSize; + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION_D(EXT_stencil_two_side, pname); + *params = (GLdouble) ctx->Stencil.TestTwoSide; + break; + case GL_ACTIVE_STENCIL_FACE_EXT: + CHECK_EXTENSION_D(EXT_stencil_two_side, pname); + *params = (GLdouble) (ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT); + break; + + /* GL_NV_light_max_exponent */ + case GL_MAX_SHININESS_NV: + *params = (GLdouble) ctx->Const.MaxShininess; + break; + case GL_MAX_SPOT_EXPONENT_NV: + *params = (GLdouble) ctx->Const.MaxSpotExponent; + break; + +#if FEATURE_ARB_vertex_buffer_object + case GL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.ArrayBufferObj->Name; + break; + case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.Vertex.BufferObj->Name; + break; + case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.Normal.BufferObj->Name; + break; + case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.Color.BufferObj->Name; + break; + case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.Index.BufferObj->Name; + break; + case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.TexCoord[clientUnit].BufferObj->Name; + break; + case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.EdgeFlag.BufferObj->Name; + break; + case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.SecondaryColor.BufferObj->Name; + break; + case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.FogCoord.BufferObj->Name; + break; + /*case GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB: - not supported */ + case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_D(ARB_vertex_buffer_object, pname); + *params = (GLdouble) ctx->Array.ElementArrayBufferObj->Name; + break; +#endif +#if FEATURE_EXT_pixel_buffer_object + case GL_PIXEL_PACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_D(EXT_pixel_buffer_object, pname); + *params = (GLdouble) ctx->Pack.BufferObj->Name; + break; + case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_D(EXT_pixel_buffer_object, pname); + *params = (GLdouble) ctx->Unpack.BufferObj->Name; + break; +#endif + +#if FEATURE_ARB_vertex_program + /* GL_NV_vertex_program and GL_ARB_fragment_program define others */ + case GL_MAX_VERTEX_ATTRIBS_ARB: + CHECK_EXTENSION_D(ARB_vertex_program, pname); + *params = (GLdouble) ctx->Const.MaxVertexProgramAttribs; + break; +#endif + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION_D(ARB_fragment_program, pname); + *params = (GLdouble) ctx->FragmentProgram.Enabled; + break; + case GL_TRANSPOSE_CURRENT_MATRIX_ARB: + CHECK_EXTENSION_D(ARB_fragment_program, pname); + params[0] = ctx->CurrentStack->Top->m[0]; + params[1] = ctx->CurrentStack->Top->m[4]; + params[2] = ctx->CurrentStack->Top->m[8]; + params[3] = ctx->CurrentStack->Top->m[12]; + params[4] = ctx->CurrentStack->Top->m[1]; + params[5] = ctx->CurrentStack->Top->m[5]; + params[6] = ctx->CurrentStack->Top->m[9]; + params[7] = ctx->CurrentStack->Top->m[13]; + params[8] = ctx->CurrentStack->Top->m[2]; + params[9] = ctx->CurrentStack->Top->m[6]; + params[10] = ctx->CurrentStack->Top->m[10]; + params[11] = ctx->CurrentStack->Top->m[14]; + params[12] = ctx->CurrentStack->Top->m[3]; + params[13] = ctx->CurrentStack->Top->m[7]; + params[14] = ctx->CurrentStack->Top->m[11]; + params[15] = ctx->CurrentStack->Top->m[15]; + break; + /* Remaining ARB_fragment_program queries alias with + * the GL_NV_fragment_program queries. + */ +#endif + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION_D(EXT_depth_bounds_test, pname); + params[0] = (GLdouble) ctx->Depth.BoundsTest; + break; + case GL_DEPTH_BOUNDS_EXT: + CHECK_EXTENSION_D(EXT_depth_bounds_test, pname); + params[0] = ctx->Depth.BoundsMin; + params[1] = ctx->Depth.BoundsMax; + break; + +#if FEATURE_MESA_program_debug + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_D(MESA_program_debug, pname); + *params = (GLdouble) ctx->FragmentProgram.CallbackEnabled; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_D(MESA_program_debug, pname); + *params = (GLdouble) ctx->VertexProgram.CallbackEnabled; + break; + case GL_FRAGMENT_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_D(MESA_program_debug, pname); + *params = (GLdouble) ctx->FragmentProgram.CurrentPosition; + break; + case GL_VERTEX_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_D(MESA_program_debug, pname); + *params = (GLdouble) ctx->VertexProgram.CurrentPosition; + break; +#endif + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetDoublev(pname=0x%x)", pname); + } +} + + +/** + * Get the value(s) of a selected parameter. + * + * \param pname parameter to be returned. + * \param params will hold the value(s) of the speficifed parameter. + * + * \sa glGetFloatv(). + * + * Tries to get the specified parameter via dd_function_table::GetFloatv, + * otherwise gets the specified parameter from the current context, converting + * it value into GLfloat. + */ +void GLAPIENTRY +_mesa_GetFloatv( GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint i; + const GLuint clientUnit = ctx->Array.ActiveTexture; + const GLuint texUnit = ctx->Texture.CurrentUnit; + const struct gl_texture_unit *textureUnit = &ctx->Texture.Unit[texUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetFloatv %s\n", _mesa_lookup_enum_by_nr(pname)); + + if (!ctx->_CurrentProgram) { + /* We need this in order to get correct results for + * GL_OCCLUSION_TEST_RESULT_HP. There might be other important cases. + */ + FLUSH_VERTICES(ctx, 0); + } + + if (ctx->Driver.GetFloatv && (*ctx->Driver.GetFloatv)(ctx, pname, params)) + return; + + switch (pname) { + case GL_ACCUM_RED_BITS: + *params = (GLfloat) ctx->Visual.accumRedBits; + break; + case GL_ACCUM_GREEN_BITS: + *params = (GLfloat) ctx->Visual.accumGreenBits; + break; + case GL_ACCUM_BLUE_BITS: + *params = (GLfloat) ctx->Visual.accumBlueBits; + break; + case GL_ACCUM_ALPHA_BITS: + *params = (GLfloat) ctx->Visual.accumAlphaBits; + break; + case GL_ACCUM_CLEAR_VALUE: + params[0] = ctx->Accum.ClearColor[0]; + params[1] = ctx->Accum.ClearColor[1]; + params[2] = ctx->Accum.ClearColor[2]; + params[3] = ctx->Accum.ClearColor[3]; + break; + case GL_ALPHA_BIAS: + *params = ctx->Pixel.AlphaBias; + break; + case GL_ALPHA_BITS: + *params = (GLfloat) ctx->Visual.alphaBits; + break; + case GL_ALPHA_SCALE: + *params = ctx->Pixel.AlphaScale; + break; + case GL_ALPHA_TEST: + *params = (GLfloat) ctx->Color.AlphaEnabled; + break; + case GL_ALPHA_TEST_FUNC: + *params = ENUM_TO_FLOAT(ctx->Color.AlphaFunc); + break; + case GL_ALPHA_TEST_REF: + *params = (GLfloat) ctx->Color.AlphaRef; + break; + case GL_ATTRIB_STACK_DEPTH: + *params = (GLfloat) (ctx->AttribStackDepth); + break; + case GL_AUTO_NORMAL: + *params = (GLfloat) ctx->Eval.AutoNormal; + break; + case GL_AUX_BUFFERS: + *params = (GLfloat) ctx->Visual.numAuxBuffers; + break; + case GL_BLEND: + *params = (GLfloat) ctx->Color.BlendEnabled; + break; + case GL_BLEND_DST: + *params = ENUM_TO_FLOAT(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC: + *params = ENUM_TO_FLOAT(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_SRC_RGB_EXT: + *params = ENUM_TO_FLOAT(ctx->Color.BlendSrcRGB); + break; + case GL_BLEND_DST_RGB_EXT: + *params = ENUM_TO_FLOAT(ctx->Color.BlendDstRGB); + break; + case GL_BLEND_SRC_ALPHA_EXT: + *params = ENUM_TO_FLOAT(ctx->Color.BlendSrcA); + break; + case GL_BLEND_DST_ALPHA_EXT: + *params = ENUM_TO_FLOAT(ctx->Color.BlendDstA); + break; + case GL_BLEND_EQUATION: + *params = ENUM_TO_FLOAT(ctx->Color.BlendEquationRGB); + break; + case GL_BLEND_EQUATION_ALPHA_EXT: + *params = ENUM_TO_FLOAT(ctx->Color.BlendEquationA); + break; + case GL_BLEND_COLOR_EXT: + params[0] = ctx->Color.BlendColor[0]; + params[1] = ctx->Color.BlendColor[1]; + params[2] = ctx->Color.BlendColor[2]; + params[3] = ctx->Color.BlendColor[3]; + break; + case GL_BLUE_BIAS: + *params = ctx->Pixel.BlueBias; + break; + case GL_BLUE_BITS: + *params = (GLfloat) ctx->Visual.blueBits; + break; + case GL_BLUE_SCALE: + *params = ctx->Pixel.BlueScale; + break; + case GL_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLfloat) (ctx->ClientAttribStackDepth); + break; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + if (ctx->Transform.ClipPlanesEnabled & (1 << (pname - GL_CLIP_PLANE0))) + *params = 1.0; + else + *params = 0.0; + break; + case GL_COLOR_CLEAR_VALUE: + params[0] = ctx->Color.ClearColor[0]; + params[1] = ctx->Color.ClearColor[1]; + params[2] = ctx->Color.ClearColor[2]; + params[3] = ctx->Color.ClearColor[3]; + break; + case GL_COLOR_MATERIAL: + *params = (GLfloat) ctx->Light.ColorMaterialEnabled; + break; + case GL_COLOR_MATERIAL_FACE: + *params = ENUM_TO_FLOAT(ctx->Light.ColorMaterialFace); + break; + case GL_COLOR_MATERIAL_PARAMETER: + *params = ENUM_TO_FLOAT(ctx->Light.ColorMaterialMode); + break; + case GL_COLOR_WRITEMASK: + params[0] = ctx->Color.ColorMask[RCOMP] ? 1.0F : 0.0F; + params[1] = ctx->Color.ColorMask[GCOMP] ? 1.0F : 0.0F; + params[2] = ctx->Color.ColorMask[BCOMP] ? 1.0F : 0.0F; + params[3] = ctx->Color.ColorMask[ACOMP] ? 1.0F : 0.0F; + break; + case GL_CULL_FACE: + *params = (GLfloat) ctx->Polygon.CullFlag; + break; + case GL_CULL_FACE_MODE: + *params = ENUM_TO_FLOAT(ctx->Polygon.CullFaceMode); + break; + case GL_CURRENT_COLOR: + FLUSH_CURRENT(ctx, 0); + params[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]; + params[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]; + params[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]; + params[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]; + break; + case GL_CURRENT_INDEX: + FLUSH_CURRENT(ctx, 0); + *params = (GLfloat) ctx->Current.Index; + break; + case GL_CURRENT_NORMAL: + FLUSH_CURRENT(ctx, 0); + params[0] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]; + params[1] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]; + params[2] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]; + break; + case GL_CURRENT_RASTER_COLOR: + params[0] = ctx->Current.RasterColor[0]; + params[1] = ctx->Current.RasterColor[1]; + params[2] = ctx->Current.RasterColor[2]; + params[3] = ctx->Current.RasterColor[3]; + break; + case GL_CURRENT_RASTER_DISTANCE: + params[0] = ctx->Current.RasterDistance; + break; + case GL_CURRENT_RASTER_INDEX: + *params = ctx->Current.RasterIndex; + break; + case GL_CURRENT_RASTER_POSITION: + params[0] = ctx->Current.RasterPos[0]; + params[1] = ctx->Current.RasterPos[1]; + params[2] = ctx->Current.RasterPos[2]; + params[3] = ctx->Current.RasterPos[3]; + break; + case GL_CURRENT_RASTER_TEXTURE_COORDS: + params[0] = ctx->Current.RasterTexCoords[texUnit][0]; + params[1] = ctx->Current.RasterTexCoords[texUnit][1]; + params[2] = ctx->Current.RasterTexCoords[texUnit][2]; + params[3] = ctx->Current.RasterTexCoords[texUnit][3]; + break; + case GL_CURRENT_RASTER_POSITION_VALID: + *params = (GLfloat) ctx->Current.RasterPosValid; + break; + case GL_CURRENT_TEXTURE_COORDS: + FLUSH_CURRENT(ctx, 0); + params[0] = (GLfloat) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]; + params[1] = (GLfloat) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]; + params[2] = (GLfloat) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]; + params[3] = (GLfloat) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]; + break; + case GL_DEPTH_BIAS: + *params = (GLfloat) ctx->Pixel.DepthBias; + break; + case GL_DEPTH_BITS: + *params = (GLfloat) ctx->Visual.depthBits; + break; + case GL_DEPTH_CLEAR_VALUE: + *params = (GLfloat) ctx->Depth.Clear; + break; + case GL_DEPTH_FUNC: + *params = ENUM_TO_FLOAT(ctx->Depth.Func); + break; + case GL_DEPTH_RANGE: + params[0] = (GLfloat) ctx->Viewport.Near; + params[1] = (GLfloat) ctx->Viewport.Far; + break; + case GL_DEPTH_SCALE: + *params = (GLfloat) ctx->Pixel.DepthScale; + break; + case GL_DEPTH_TEST: + *params = (GLfloat) ctx->Depth.Test; + break; + case GL_DEPTH_WRITEMASK: + *params = (GLfloat) ctx->Depth.Mask; + break; + case GL_DITHER: + *params = (GLfloat) ctx->Color.DitherFlag; + break; + case GL_DOUBLEBUFFER: + *params = (GLfloat) ctx->Visual.doubleBufferMode; + break; + case GL_DRAW_BUFFER: + *params = ENUM_TO_FLOAT(ctx->Color.DrawBuffer); + break; + case GL_EDGE_FLAG: + FLUSH_CURRENT(ctx, 0); + *params = (GLfloat) ctx->Current.EdgeFlag; + break; + case GL_FEEDBACK_BUFFER_SIZE: + *params = (GLfloat) ctx->Feedback.BufferSize; + break; + case GL_FEEDBACK_BUFFER_TYPE: + *params = ENUM_TO_FLOAT(ctx->Feedback.Type); + break; + case GL_FOG: + *params = (GLfloat) ctx->Fog.Enabled; + break; + case GL_FOG_COLOR: + params[0] = ctx->Fog.Color[0]; + params[1] = ctx->Fog.Color[1]; + params[2] = ctx->Fog.Color[2]; + params[3] = ctx->Fog.Color[3]; + break; + case GL_FOG_DENSITY: + *params = ctx->Fog.Density; + break; + case GL_FOG_END: + *params = ctx->Fog.End; + break; + case GL_FOG_HINT: + *params = ENUM_TO_FLOAT(ctx->Hint.Fog); + break; + case GL_FOG_INDEX: + *params = ctx->Fog.Index; + break; + case GL_FOG_MODE: + *params = ENUM_TO_FLOAT(ctx->Fog.Mode); + break; + case GL_FOG_START: + *params = ctx->Fog.Start; + break; + case GL_FRONT_FACE: + *params = ENUM_TO_FLOAT(ctx->Polygon.FrontFace); + break; + case GL_GREEN_BIAS: + *params = (GLfloat) ctx->Pixel.GreenBias; + break; + case GL_GREEN_BITS: + *params = (GLfloat) ctx->Visual.greenBits; + break; + case GL_GREEN_SCALE: + *params = (GLfloat) ctx->Pixel.GreenScale; + break; + case GL_INDEX_BITS: + *params = (GLfloat) ctx->Visual.indexBits; + break; + case GL_INDEX_CLEAR_VALUE: + *params = (GLfloat) ctx->Color.ClearIndex; + break; + case GL_INDEX_MODE: + *params = ctx->Visual.rgbMode ? 0.0F : 1.0F; + break; + case GL_INDEX_OFFSET: + *params = (GLfloat) ctx->Pixel.IndexOffset; + break; + case GL_INDEX_SHIFT: + *params = (GLfloat) ctx->Pixel.IndexShift; + break; + case GL_INDEX_WRITEMASK: + *params = (GLfloat) ctx->Color.IndexMask; + break; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + *params = (GLfloat) ctx->Light.Light[pname-GL_LIGHT0].Enabled; + break; + case GL_LIGHTING: + *params = (GLfloat) ctx->Light.Enabled; + break; + case GL_LIGHT_MODEL_AMBIENT: + params[0] = ctx->Light.Model.Ambient[0]; + params[1] = ctx->Light.Model.Ambient[1]; + params[2] = ctx->Light.Model.Ambient[2]; + params[3] = ctx->Light.Model.Ambient[3]; + break; + case GL_LIGHT_MODEL_COLOR_CONTROL: + params[0] = ENUM_TO_FLOAT(ctx->Light.Model.ColorControl); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + *params = (GLfloat) ctx->Light.Model.LocalViewer; + break; + case GL_LIGHT_MODEL_TWO_SIDE: + *params = (GLfloat) ctx->Light.Model.TwoSide; + break; + case GL_LINE_SMOOTH: + *params = (GLfloat) ctx->Line.SmoothFlag; + break; + case GL_LINE_SMOOTH_HINT: + *params = ENUM_TO_FLOAT(ctx->Hint.LineSmooth); + break; + case GL_LINE_STIPPLE: + *params = (GLfloat) ctx->Line.StippleFlag; + break; + case GL_LINE_STIPPLE_PATTERN: + *params = (GLfloat) ctx->Line.StipplePattern; + break; + case GL_LINE_STIPPLE_REPEAT: + *params = (GLfloat) ctx->Line.StippleFactor; + break; + case GL_LINE_WIDTH: + *params = (GLfloat) ctx->Line.Width; + break; + case GL_LINE_WIDTH_GRANULARITY: + *params = (GLfloat) ctx->Const.LineWidthGranularity; + break; + case GL_LINE_WIDTH_RANGE: + params[0] = (GLfloat) ctx->Const.MinLineWidthAA; + params[1] = (GLfloat) ctx->Const.MaxLineWidthAA; + break; + case GL_ALIASED_LINE_WIDTH_RANGE: + params[0] = (GLfloat) ctx->Const.MinLineWidth; + params[1] = (GLfloat) ctx->Const.MaxLineWidth; + break; + case GL_LIST_BASE: + *params = (GLfloat) ctx->List.ListBase; + break; + case GL_LIST_INDEX: + *params = (GLfloat) ctx->ListState.CurrentListNum; + break; + case GL_LIST_MODE: + if (!ctx->CompileFlag) + *params = 0.0F; + else if (ctx->ExecuteFlag) + *params = ENUM_TO_FLOAT(GL_COMPILE_AND_EXECUTE); + else + *params = ENUM_TO_FLOAT(GL_COMPILE); + break; + case GL_INDEX_LOGIC_OP: + *params = (GLfloat) ctx->Color.IndexLogicOpEnabled; + break; + case GL_COLOR_LOGIC_OP: + *params = (GLfloat) ctx->Color.ColorLogicOpEnabled; + break; + case GL_LOGIC_OP_MODE: + *params = ENUM_TO_FLOAT(ctx->Color.LogicOp); + break; + case GL_MAP1_COLOR_4: + *params = (GLfloat) ctx->Eval.Map1Color4; + break; + case GL_MAP1_GRID_DOMAIN: + params[0] = ctx->Eval.MapGrid1u1; + params[1] = ctx->Eval.MapGrid1u2; + break; + case GL_MAP1_GRID_SEGMENTS: + *params = (GLfloat) ctx->Eval.MapGrid1un; + break; + case GL_MAP1_INDEX: + *params = (GLfloat) ctx->Eval.Map1Index; + break; + case GL_MAP1_NORMAL: + *params = (GLfloat) ctx->Eval.Map1Normal; + break; + case GL_MAP1_TEXTURE_COORD_1: + *params = (GLfloat) ctx->Eval.Map1TextureCoord1; + break; + case GL_MAP1_TEXTURE_COORD_2: + *params = (GLfloat) ctx->Eval.Map1TextureCoord2; + break; + case GL_MAP1_TEXTURE_COORD_3: + *params = (GLfloat) ctx->Eval.Map1TextureCoord3; + break; + case GL_MAP1_TEXTURE_COORD_4: + *params = (GLfloat) ctx->Eval.Map1TextureCoord4; + break; + case GL_MAP1_VERTEX_3: + *params = (GLfloat) ctx->Eval.Map1Vertex3; + break; + case GL_MAP1_VERTEX_4: + *params = (GLfloat) ctx->Eval.Map1Vertex4; + break; + case GL_MAP2_COLOR_4: + *params = (GLfloat) ctx->Eval.Map2Color4; + break; + case GL_MAP2_GRID_DOMAIN: + params[0] = ctx->Eval.MapGrid2u1; + params[1] = ctx->Eval.MapGrid2u2; + params[2] = ctx->Eval.MapGrid2v1; + params[3] = ctx->Eval.MapGrid2v2; + break; + case GL_MAP2_GRID_SEGMENTS: + params[0] = (GLfloat) ctx->Eval.MapGrid2un; + params[1] = (GLfloat) ctx->Eval.MapGrid2vn; + break; + case GL_MAP2_INDEX: + *params = (GLfloat) ctx->Eval.Map2Index; + break; + case GL_MAP2_NORMAL: + *params = (GLfloat) ctx->Eval.Map2Normal; + break; + case GL_MAP2_TEXTURE_COORD_1: + *params = ctx->Eval.Map2TextureCoord1; + break; + case GL_MAP2_TEXTURE_COORD_2: + *params = ctx->Eval.Map2TextureCoord2; + break; + case GL_MAP2_TEXTURE_COORD_3: + *params = ctx->Eval.Map2TextureCoord3; + break; + case GL_MAP2_TEXTURE_COORD_4: + *params = ctx->Eval.Map2TextureCoord4; + break; + case GL_MAP2_VERTEX_3: + *params = (GLfloat) ctx->Eval.Map2Vertex3; + break; + case GL_MAP2_VERTEX_4: + *params = (GLfloat) ctx->Eval.Map2Vertex4; + break; + case GL_MAP_COLOR: + *params = (GLfloat) ctx->Pixel.MapColorFlag; + break; + case GL_MAP_STENCIL: + *params = (GLfloat) ctx->Pixel.MapStencilFlag; + break; + case GL_MATRIX_MODE: + *params = ENUM_TO_FLOAT(ctx->Transform.MatrixMode); + break; + case GL_MAX_ATTRIB_STACK_DEPTH: + *params = (GLfloat) MAX_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLfloat) MAX_CLIENT_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIP_PLANES: + *params = (GLfloat) ctx->Const.MaxClipPlanes; + break; + case GL_MAX_ELEMENTS_VERTICES: /* GL_VERSION_1_2 */ + *params = (GLfloat) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_ELEMENTS_INDICES: /* GL_VERSION_1_2 */ + *params = (GLfloat) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_EVAL_ORDER: + *params = (GLfloat) MAX_EVAL_ORDER; + break; + case GL_MAX_LIGHTS: + *params = (GLfloat) ctx->Const.MaxLights; + break; + case GL_MAX_LIST_NESTING: + *params = (GLfloat) MAX_LIST_NESTING; + break; + case GL_MAX_MODELVIEW_STACK_DEPTH: + *params = (GLfloat) MAX_MODELVIEW_STACK_DEPTH; + break; + case GL_MAX_NAME_STACK_DEPTH: + *params = (GLfloat) MAX_NAME_STACK_DEPTH; + break; + case GL_MAX_PIXEL_MAP_TABLE: + *params = (GLfloat) MAX_PIXEL_MAP_TABLE; + break; + case GL_MAX_PROJECTION_STACK_DEPTH: + *params = (GLfloat) MAX_PROJECTION_STACK_DEPTH; + break; + case GL_MAX_TEXTURE_SIZE: + *params = (GLfloat) (1 << (ctx->Const.MaxTextureLevels - 1)); + break; + case GL_MAX_3D_TEXTURE_SIZE: + *params = (GLfloat) (1 << (ctx->Const.Max3DTextureLevels - 1)); + break; + case GL_MAX_TEXTURE_STACK_DEPTH: + *params = (GLfloat) MAX_TEXTURE_STACK_DEPTH; + break; + case GL_MAX_VIEWPORT_DIMS: + params[0] = (GLfloat) MAX_WIDTH; + params[1] = (GLfloat) MAX_HEIGHT; + break; + case GL_MODELVIEW_MATRIX: + for (i=0;i<16;i++) { + params[i] = ctx->ModelviewMatrixStack.Top->m[i]; + } + break; + case GL_MODELVIEW_STACK_DEPTH: + *params = (GLfloat) (ctx->ModelviewMatrixStack.Depth + 1); + break; + case GL_NAME_STACK_DEPTH: + *params = (GLfloat) ctx->Select.NameStackDepth; + break; + case GL_NORMALIZE: + *params = (GLfloat) ctx->Transform.Normalize; + break; + case GL_PACK_ALIGNMENT: + *params = (GLfloat) ctx->Pack.Alignment; + break; + case GL_PACK_LSB_FIRST: + *params = (GLfloat) ctx->Pack.LsbFirst; + break; + case GL_PACK_ROW_LENGTH: + *params = (GLfloat) ctx->Pack.RowLength; + break; + case GL_PACK_SKIP_PIXELS: + *params = (GLfloat) ctx->Pack.SkipPixels; + break; + case GL_PACK_SKIP_ROWS: + *params = (GLfloat) ctx->Pack.SkipRows; + break; + case GL_PACK_SWAP_BYTES: + *params = (GLfloat) ctx->Pack.SwapBytes; + break; + case GL_PACK_SKIP_IMAGES_EXT: + *params = (GLfloat) ctx->Pack.SkipImages; + break; + case GL_PACK_IMAGE_HEIGHT_EXT: + *params = (GLfloat) ctx->Pack.ImageHeight; + break; + case GL_PACK_INVERT_MESA: + *params = (GLfloat) ctx->Pack.Invert; + break; + case GL_PERSPECTIVE_CORRECTION_HINT: + *params = ENUM_TO_FLOAT(ctx->Hint.PerspectiveCorrection); + break; + case GL_PIXEL_MAP_A_TO_A_SIZE: + *params = (GLfloat) ctx->Pixel.MapAtoAsize; + break; + case GL_PIXEL_MAP_B_TO_B_SIZE: + *params = (GLfloat) ctx->Pixel.MapBtoBsize; + break; + case GL_PIXEL_MAP_G_TO_G_SIZE: + *params = (GLfloat) ctx->Pixel.MapGtoGsize; + break; + case GL_PIXEL_MAP_I_TO_A_SIZE: + *params = (GLfloat) ctx->Pixel.MapItoAsize; + break; + case GL_PIXEL_MAP_I_TO_B_SIZE: + *params = (GLfloat) ctx->Pixel.MapItoBsize; + break; + case GL_PIXEL_MAP_I_TO_G_SIZE: + *params = (GLfloat) ctx->Pixel.MapItoGsize; + break; + case GL_PIXEL_MAP_I_TO_I_SIZE: + *params = (GLfloat) ctx->Pixel.MapItoIsize; + break; + case GL_PIXEL_MAP_I_TO_R_SIZE: + *params = (GLfloat) ctx->Pixel.MapItoRsize; + break; + case GL_PIXEL_MAP_R_TO_R_SIZE: + *params = (GLfloat) ctx->Pixel.MapRtoRsize; + break; + case GL_PIXEL_MAP_S_TO_S_SIZE: + *params = (GLfloat) ctx->Pixel.MapStoSsize; + break; + case GL_POINT_SIZE: + *params = (GLfloat) ctx->Point.Size; + break; + case GL_POINT_SIZE_GRANULARITY: + *params = (GLfloat) ctx->Const.PointSizeGranularity; + break; + case GL_POINT_SIZE_RANGE: + params[0] = (GLfloat) ctx->Const.MinPointSizeAA; + params[1] = (GLfloat) ctx->Const.MaxPointSizeAA; + break; + case GL_ALIASED_POINT_SIZE_RANGE: + params[0] = (GLfloat) ctx->Const.MinPointSize; + params[1] = (GLfloat) ctx->Const.MaxPointSize; + break; + case GL_POINT_SMOOTH: + *params = (GLfloat) ctx->Point.SmoothFlag; + break; + case GL_POINT_SMOOTH_HINT: + *params = ENUM_TO_FLOAT(ctx->Hint.PointSmooth); + break; + case GL_POINT_SIZE_MIN_EXT: + *params = (GLfloat) (ctx->Point.MinSize); + break; + case GL_POINT_SIZE_MAX_EXT: + *params = (GLfloat) (ctx->Point.MaxSize); + break; + case GL_POINT_FADE_THRESHOLD_SIZE_EXT: + *params = (GLfloat) (ctx->Point.Threshold); + break; + case GL_DISTANCE_ATTENUATION_EXT: + params[0] = (GLfloat) (ctx->Point.Params[0]); + params[1] = (GLfloat) (ctx->Point.Params[1]); + params[2] = (GLfloat) (ctx->Point.Params[2]); + break; + case GL_POLYGON_MODE: + params[0] = ENUM_TO_FLOAT(ctx->Polygon.FrontMode); + params[1] = ENUM_TO_FLOAT(ctx->Polygon.BackMode); + break; +#ifdef GL_EXT_polygon_offset + case GL_POLYGON_OFFSET_BIAS_EXT: + *params = ctx->Polygon.OffsetUnits; + break; +#endif + case GL_POLYGON_OFFSET_FACTOR: + *params = ctx->Polygon.OffsetFactor; + break; + case GL_POLYGON_OFFSET_UNITS: + *params = ctx->Polygon.OffsetUnits; + break; + case GL_POLYGON_SMOOTH: + *params = (GLfloat) ctx->Polygon.SmoothFlag; + break; + case GL_POLYGON_SMOOTH_HINT: + *params = ENUM_TO_FLOAT(ctx->Hint.PolygonSmooth); + break; + case GL_POLYGON_STIPPLE: + *params = (GLfloat) ctx->Polygon.StippleFlag; + break; + case GL_PROJECTION_MATRIX: + for (i=0;i<16;i++) { + params[i] = ctx->ProjectionMatrixStack.Top->m[i]; + } + break; + case GL_PROJECTION_STACK_DEPTH: + *params = (GLfloat) (ctx->ProjectionMatrixStack.Depth + 1); + break; + case GL_READ_BUFFER: + *params = ENUM_TO_FLOAT(ctx->Pixel.ReadBuffer); + break; + case GL_RED_BIAS: + *params = ctx->Pixel.RedBias; + break; + case GL_RED_BITS: + *params = (GLfloat) ctx->Visual.redBits; + break; + case GL_RED_SCALE: + *params = ctx->Pixel.RedScale; + break; + case GL_RENDER_MODE: + *params = ENUM_TO_FLOAT(ctx->RenderMode); + break; + case GL_RESCALE_NORMAL: + *params = (GLfloat) ctx->Transform.RescaleNormals; + break; + case GL_RGBA_MODE: + *params = (GLfloat) ctx->Visual.rgbMode; + break; + case GL_SCISSOR_BOX: + params[0] = (GLfloat) ctx->Scissor.X; + params[1] = (GLfloat) ctx->Scissor.Y; + params[2] = (GLfloat) ctx->Scissor.Width; + params[3] = (GLfloat) ctx->Scissor.Height; + break; + case GL_SCISSOR_TEST: + *params = (GLfloat) ctx->Scissor.Enabled; + break; + case GL_SELECTION_BUFFER_SIZE: + *params = (GLfloat) ctx->Select.BufferSize; + break; + case GL_SHADE_MODEL: + *params = ENUM_TO_FLOAT(ctx->Light.ShadeModel); + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + *params = (GLfloat) ctx->Texture.SharedPalette; + break; + case GL_STENCIL_BITS: + *params = (GLfloat) ctx->Visual.stencilBits; + break; + case GL_STENCIL_CLEAR_VALUE: + *params = (GLfloat) ctx->Stencil.Clear; + break; + case GL_STENCIL_FAIL: + *params = ENUM_TO_FLOAT(ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_FUNC: + *params = ENUM_TO_FLOAT(ctx->Stencil.Function[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_FAIL: + *params = ENUM_TO_FLOAT(ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_PASS_DEPTH_PASS: + *params = ENUM_TO_FLOAT(ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]); + break; + case GL_STENCIL_REF: + *params = (GLfloat) ctx->Stencil.Ref[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_TEST: + *params = (GLfloat) ctx->Stencil.Enabled; + break; + case GL_STENCIL_VALUE_MASK: + *params = (GLfloat) ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_WRITEMASK: + *params = (GLfloat) ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]; + break; + case GL_STEREO: + *params = (GLfloat) ctx->Visual.stereoMode; + break; + case GL_SUBPIXEL_BITS: + *params = (GLfloat) ctx->Const.SubPixelBits; + break; + case GL_TEXTURE_1D: + *params = _mesa_IsEnabled(GL_TEXTURE_1D) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_2D: + *params = _mesa_IsEnabled(GL_TEXTURE_2D) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_3D: + *params = _mesa_IsEnabled(GL_TEXTURE_3D) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_BINDING_1D: + *params = (GLfloat) textureUnit->Current1D->Name; + break; + case GL_TEXTURE_BINDING_2D: + *params = (GLfloat) textureUnit->Current2D->Name; + break; + case GL_TEXTURE_BINDING_3D: + *params = (GLfloat) textureUnit->Current2D->Name; + break; + case GL_TEXTURE_ENV_COLOR: + params[0] = textureUnit->EnvColor[0]; + params[1] = textureUnit->EnvColor[1]; + params[2] = textureUnit->EnvColor[2]; + params[3] = textureUnit->EnvColor[3]; + break; + case GL_TEXTURE_ENV_MODE: + *params = ENUM_TO_FLOAT(textureUnit->EnvMode); + break; + case GL_TEXTURE_GEN_S: + *params = (textureUnit->TexGenEnabled & S_BIT) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_GEN_T: + *params = (textureUnit->TexGenEnabled & T_BIT) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_GEN_R: + *params = (textureUnit->TexGenEnabled & R_BIT) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_GEN_Q: + *params = (textureUnit->TexGenEnabled & Q_BIT) ? 1.0F : 0.0F; + break; + case GL_TEXTURE_MATRIX: + for (i=0;i<16;i++) { + params[i] = ctx->TextureMatrixStack[texUnit].Top->m[i]; + } + break; + case GL_TEXTURE_STACK_DEPTH: + *params = (GLfloat) (ctx->TextureMatrixStack[texUnit].Depth + 1); + break; + case GL_UNPACK_ALIGNMENT: + *params = (GLfloat) ctx->Unpack.Alignment; + break; + case GL_UNPACK_LSB_FIRST: + *params = (GLfloat) ctx->Unpack.LsbFirst; + break; + case GL_UNPACK_ROW_LENGTH: + *params = (GLfloat) ctx->Unpack.RowLength; + break; + case GL_UNPACK_SKIP_PIXELS: + *params = (GLfloat) ctx->Unpack.SkipPixels; + break; + case GL_UNPACK_SKIP_ROWS: + *params = (GLfloat) ctx->Unpack.SkipRows; + break; + case GL_UNPACK_SWAP_BYTES: + *params = (GLfloat) ctx->Unpack.SwapBytes; + break; + case GL_UNPACK_SKIP_IMAGES_EXT: + *params = (GLfloat) ctx->Unpack.SkipImages; + break; + case GL_UNPACK_IMAGE_HEIGHT_EXT: + *params = (GLfloat) ctx->Unpack.ImageHeight; + break; + case GL_UNPACK_CLIENT_STORAGE_APPLE: + *params = (GLfloat) ctx->Unpack.ClientStorage; + break; + case GL_VIEWPORT: + params[0] = (GLfloat) ctx->Viewport.X; + params[1] = (GLfloat) ctx->Viewport.Y; + params[2] = (GLfloat) ctx->Viewport.Width; + params[3] = (GLfloat) ctx->Viewport.Height; + break; + case GL_ZOOM_X: + *params = (GLfloat) ctx->Pixel.ZoomX; + break; + case GL_ZOOM_Y: + *params = (GLfloat) ctx->Pixel.ZoomY; + break; + case GL_VERTEX_ARRAY: + *params = (GLfloat) ctx->Array.Vertex.Enabled; + break; + case GL_VERTEX_ARRAY_SIZE: + *params = (GLfloat) ctx->Array.Vertex.Size; + break; + case GL_VERTEX_ARRAY_TYPE: + *params = ENUM_TO_FLOAT(ctx->Array.Vertex.Type); + break; + case GL_VERTEX_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.Vertex.Stride; + break; + case GL_VERTEX_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_NORMAL_ARRAY: + *params = (GLfloat) ctx->Array.Normal.Enabled; + break; + case GL_NORMAL_ARRAY_TYPE: + *params = ENUM_TO_FLOAT(ctx->Array.Normal.Type); + break; + case GL_NORMAL_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.Normal.Stride; + break; + case GL_NORMAL_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_COLOR_ARRAY: + *params = (GLfloat) ctx->Array.Color.Enabled; + break; + case GL_COLOR_ARRAY_SIZE: + *params = (GLfloat) ctx->Array.Color.Size; + break; + case GL_COLOR_ARRAY_TYPE: + *params = ENUM_TO_FLOAT(ctx->Array.Color.Type); + break; + case GL_COLOR_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.Color.Stride; + break; + case GL_COLOR_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_INDEX_ARRAY: + *params = (GLfloat) ctx->Array.Index.Enabled; + break; + case GL_INDEX_ARRAY_TYPE: + *params = ENUM_TO_FLOAT(ctx->Array.Index.Type); + break; + case GL_INDEX_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.Index.Stride; + break; + case GL_INDEX_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_TEXTURE_COORD_ARRAY: + *params = (GLfloat) ctx->Array.TexCoord[clientUnit].Enabled; + break; + case GL_TEXTURE_COORD_ARRAY_SIZE: + *params = (GLfloat) ctx->Array.TexCoord[clientUnit].Size; + break; + case GL_TEXTURE_COORD_ARRAY_TYPE: + *params = ENUM_TO_FLOAT(ctx->Array.TexCoord[clientUnit].Type); + break; + case GL_TEXTURE_COORD_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.TexCoord[clientUnit].Stride; + break; + case GL_TEXTURE_COORD_ARRAY_COUNT_EXT: + *params = 0.0; + break; + case GL_EDGE_FLAG_ARRAY: + *params = (GLfloat) ctx->Array.EdgeFlag.Enabled; + break; + case GL_EDGE_FLAG_ARRAY_STRIDE: + *params = (GLfloat) ctx->Array.EdgeFlag.Stride; + break; + case GL_EDGE_FLAG_ARRAY_COUNT_EXT: + *params = 0.0; + break; + + /* GL_ARB_multitexture */ + case GL_MAX_TEXTURE_UNITS_ARB: + CHECK_EXTENSION_F(ARB_multitexture, pname); + *params = (GLfloat) MIN2(ctx->Const.MaxTextureImageUnits, + ctx->Const.MaxTextureCoordUnits); + break; + case GL_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_F(ARB_multitexture, pname); + *params = (GLfloat) (GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit); + break; + case GL_CLIENT_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_F(ARB_multitexture, pname); + *params = (GLfloat) (GL_TEXTURE0_ARB + clientUnit); + break; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION_F(ARB_texture_cube_map, pname); + *params = (GLfloat) _mesa_IsEnabled(GL_TEXTURE_CUBE_MAP_ARB); + break; + case GL_TEXTURE_BINDING_CUBE_MAP_ARB: + CHECK_EXTENSION_F(ARB_texture_cube_map, pname); + *params = (GLfloat) textureUnit->CurrentCubeMap->Name; + break; + case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: + CHECK_EXTENSION_F(ARB_texture_cube_map, pname); + *params = (GLfloat) (1 << (ctx->Const.MaxCubeTextureLevels - 1)); + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSION_HINT_ARB: + CHECK_EXTENSION_F(ARB_texture_compression, pname); + *params = (GLfloat) ctx->Hint.TextureCompression; + break; + case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_F(ARB_texture_compression, pname); + *params = (GLfloat) _mesa_get_compressed_formats(ctx, NULL); + break; + case GL_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_F(ARB_texture_compression, pname); + { + GLint formats[100]; + GLuint i, n; + n = _mesa_get_compressed_formats(ctx, formats); + for (i = 0; i < n; i++) + params[i] = (GLfloat) formats[i]; + } + break; + + /* GL_EXT_compiled_vertex_array */ + case GL_ARRAY_ELEMENT_LOCK_FIRST_EXT: + CHECK_EXTENSION_F(EXT_compiled_vertex_array, pname); + *params = (GLfloat) ctx->Array.LockFirst; + break; + case GL_ARRAY_ELEMENT_LOCK_COUNT_EXT: + CHECK_EXTENSION_F(EXT_compiled_vertex_array, pname); + *params = (GLfloat) ctx->Array.LockCount; + break; + + /* GL_ARB_transpose_matrix */ + case GL_TRANSPOSE_COLOR_MATRIX_ARB: + _math_transposef(params, ctx->ColorMatrixStack.Top->m); + break; + case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB: + _math_transposef(params, ctx->ModelviewMatrixStack.Top->m); + break; + case GL_TRANSPOSE_PROJECTION_MATRIX_ARB: + _math_transposef(params, ctx->ProjectionMatrixStack.Top->m); + break; + case GL_TRANSPOSE_TEXTURE_MATRIX_ARB: + _math_transposef(params, ctx->TextureMatrixStack[texUnit].Top->m); + break; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION_F(HP_occlusion_test, pname); + *params = (GLfloat) ctx->Depth.OcclusionTest; + break; + case GL_OCCLUSION_TEST_RESULT_HP: + CHECK_EXTENSION_F(HP_occlusion_test, pname); + if (ctx->Depth.OcclusionTest) + *params = (GLfloat) ctx->OcclusionResult; + else + *params = (GLfloat) ctx->OcclusionResultSaved; + /* reset flag now */ + ctx->OcclusionResult = GL_FALSE; + ctx->OcclusionResultSaved = GL_FALSE; + break; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + *params = (GLfloat) ctx->Pixel.PixelTextureEnabled; + break; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + *params = (GLfloat) ctx->Pixel.PixelTextureEnabled; + break; + case GL_PIXEL_TEX_GEN_MODE_SGIX: + *params = (GLfloat) pixel_texgen_mode(ctx); + break; + + /* GL_SGI_color_matrix (also in 1.2 imaging) */ + case GL_COLOR_MATRIX_SGI: + for (i=0;i<16;i++) { + params[i] = ctx->ColorMatrixStack.Top->m[i]; + } + break; + case GL_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = (GLfloat) (ctx->ColorMatrixStack.Depth + 1); + break; + case GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI: + *params = (GLfloat) MAX_COLOR_STACK_DEPTH; + break; + case GL_POST_COLOR_MATRIX_RED_SCALE_SGI: + *params = ctx->Pixel.PostColorMatrixScale[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI: + *params = ctx->Pixel.PostColorMatrixScale[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI: + *params = ctx->Pixel.PostColorMatrixScale[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI: + *params = ctx->Pixel.PostColorMatrixScale[3]; + break; + case GL_POST_COLOR_MATRIX_RED_BIAS_SGI: + *params = ctx->Pixel.PostColorMatrixBias[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI: + *params = ctx->Pixel.PostColorMatrixBias[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI: + *params = ctx->Pixel.PostColorMatrixBias[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI: + *params = ctx->Pixel.PostColorMatrixBias[3]; + break; + + /* GL_EXT_convolution (also in 1.2 imaging) */ + case GL_CONVOLUTION_1D_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = (GLfloat) ctx->Pixel.Convolution1DEnabled; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = (GLfloat) ctx->Pixel.Convolution2DEnabled; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = (GLfloat) ctx->Pixel.Separable2DEnabled; + break; + case GL_POST_CONVOLUTION_RED_SCALE_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionScale[0]; + break; + case GL_POST_CONVOLUTION_GREEN_SCALE_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionScale[1]; + break; + case GL_POST_CONVOLUTION_BLUE_SCALE_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionScale[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_SCALE_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionScale[3]; + break; + case GL_POST_CONVOLUTION_RED_BIAS_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionBias[0]; + break; + case GL_POST_CONVOLUTION_GREEN_BIAS_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionBias[1]; + break; + case GL_POST_CONVOLUTION_BLUE_BIAS_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionBias[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_BIAS_EXT: + CHECK_EXTENSION_F(EXT_convolution, pname); + *params = ctx->Pixel.PostConvolutionBias[3]; + break; + + /* GL_EXT_histogram (also in 1.2 imaging) */ + case GL_HISTOGRAM: + CHECK_EXTENSION_F(EXT_histogram, pname); + *params = (GLfloat) ctx->Pixel.HistogramEnabled; + break; + case GL_MINMAX: + CHECK_EXTENSION_F(EXT_histogram, pname); + *params = (GLfloat) ctx->Pixel.MinMaxEnabled; + break; + + /* GL_SGI_color_table (also in 1.2 imaging */ + case GL_COLOR_TABLE_SGI: + *params = (GLfloat) ctx->Pixel.ColorTableEnabled; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + *params = (GLfloat) ctx->Pixel.PostConvolutionColorTableEnabled; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + *params = (GLfloat) ctx->Pixel.PostColorMatrixColorTableEnabled; + break; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION_F(SGI_texture_color_table, pname); + *params = (GLfloat) textureUnit->ColorTableEnabled; + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + *params = (GLfloat) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + FLUSH_CURRENT(ctx, 0); + params[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0]; + params[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1]; + params[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2]; + params[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3]; + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + *params = (GLfloat) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + *params = (GLfloat) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + *params = (GLfloat) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + CHECK_EXTENSION_F(EXT_secondary_color, pname); + *params = (GLfloat) ctx->Array.SecondaryColor.Size; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + CHECK_EXTENSION_F(EXT_fog_coord, pname); + FLUSH_CURRENT(ctx, 0); + *params = (GLfloat) ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION_F(EXT_fog_coord, pname); + *params = (GLfloat) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + CHECK_EXTENSION_F(EXT_fog_coord, pname); + *params = (GLfloat) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_F(EXT_fog_coord, pname); + *params = (GLfloat) ctx->Array.FogCoord.Stride; + break; + case GL_FOG_COORDINATE_SOURCE_EXT: + CHECK_EXTENSION_F(EXT_fog_coord, pname); + *params = (GLfloat) ctx->Fog.FogCoordinateSource; + break; + + /* GL_EXT_texture_lod_bias */ + case GL_MAX_TEXTURE_LOD_BIAS_EXT: + *params = ctx->Const.MaxTextureLodBias; + break; + + /* GL_EXT_texture_filter_anisotropic */ + case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: + CHECK_EXTENSION_F(EXT_texture_filter_anisotropic, pname); + *params = ctx->Const.MaxTextureMaxAnisotropy; + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = (GLfloat) ctx->Multisample.Enabled; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = (GLfloat) ctx->Multisample.SampleAlphaToCoverage; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = (GLfloat) ctx->Multisample.SampleAlphaToOne; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = (GLfloat) ctx->Multisample.SampleCoverage; + break; + case GL_SAMPLE_COVERAGE_VALUE_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = ctx->Multisample.SampleCoverageValue; + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = (GLfloat) ctx->Multisample.SampleCoverageInvert; + break; + case GL_SAMPLE_BUFFERS_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = 0.0; /* XXX fix someday */ + break; + case GL_SAMPLES_ARB: + CHECK_EXTENSION_F(ARB_multisample, pname); + *params = 0.0; /* XXX fix someday */ + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION_F(IBM_rasterpos_clip, pname); + *params = (GLfloat) ctx->Transform.RasterPositionUnclipped; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2_F(NV_point_sprite, ARB_point_sprite, pname); + *params = (GLfloat) ctx->Point.PointSprite; + break; + case GL_POINT_SPRITE_R_MODE_NV: + CHECK_EXTENSION_F(NV_point_sprite, pname); + *params = (GLfloat) ctx->Point.SpriteRMode; + break; + case GL_POINT_SPRITE_COORD_ORIGIN: + CHECK_EXTENSION_F(ARB_point_sprite, pname); + *params = (GLfloat) ctx->Point.SpriteOrigin; + break; + + /* GL_SGIS_generate_mipmap */ + case GL_GENERATE_MIPMAP_HINT_SGIS: + CHECK_EXTENSION_F(SGIS_generate_mipmap, pname); + *params = (GLfloat) ctx->Hint.GenerateMipmap; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->VertexProgram.Enabled; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->VertexProgram.PointSizeEnabled; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->VertexProgram.TwoSideEnabled; + break; + case GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->Const.MaxProgramMatrixStackDepth; + break; + case GL_MAX_TRACK_MATRICES_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->Const.MaxProgramMatrices; + break; + case GL_CURRENT_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->CurrentStack->Depth + 1; + break; + case GL_CURRENT_MATRIX_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + for (i = 0; i < 16; i++) + params[i] = ctx->CurrentStack->Top->m[i]; + break; + case GL_VERTEX_PROGRAM_BINDING_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + if (ctx->VertexProgram.Current) + *params = (GLfloat) ctx->VertexProgram.Current->Base.Id; + else + *params = 0.0; + break; + case GL_PROGRAM_ERROR_POSITION_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + *params = (GLfloat) ctx->Program.ErrorPos; + break; + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_VERTEX_ATTRIB_ARRAY0_NV; + *params = (GLfloat) ctx->Array.VertexAttrib[n].Enabled; + } + break; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP1_VERTEX_ATTRIB0_4_NV; + *params = (GLfloat) ctx->Eval.Map1Attrib[n]; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_F(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP2_VERTEX_ATTRIB0_4_NV; + *params = (GLfloat) ctx->Eval.Map2Attrib[n]; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION_F(NV_fragment_program, pname); + *params = (GLfloat) ctx->FragmentProgram.Enabled; + break; + case GL_MAX_TEXTURE_COORDS_NV: + CHECK_EXTENSION_F(NV_fragment_program, pname); + *params = (GLfloat) ctx->Const.MaxTextureCoordUnits; + break; + case GL_MAX_TEXTURE_IMAGE_UNITS_NV: + CHECK_EXTENSION_F(NV_fragment_program, pname); + *params = (GLfloat) ctx->Const.MaxTextureImageUnits; + break; + case GL_FRAGMENT_PROGRAM_BINDING_NV: + CHECK_EXTENSION_F(NV_fragment_program, pname); + if (ctx->FragmentProgram.Current) + *params = (GLfloat) ctx->FragmentProgram.Current->Base.Id; + else + *params = 0.0; + break; + case GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV: + CHECK_EXTENSION_F(NV_fragment_program, pname); + *params = (GLfloat) MAX_NV_FRAGMENT_PROGRAM_PARAMS; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION_F(NV_texture_rectangle, pname); + *params = (GLfloat) _mesa_IsEnabled(GL_TEXTURE_RECTANGLE_NV); + break; + case GL_TEXTURE_BINDING_RECTANGLE_NV: + CHECK_EXTENSION_F(NV_texture_rectangle, pname); + *params = (GLfloat) textureUnit->CurrentRect->Name; + break; + case GL_MAX_RECTANGLE_TEXTURE_SIZE_NV: + CHECK_EXTENSION_F(NV_texture_rectangle, pname); + *params = (GLfloat) ctx->Const.MaxTextureRectSize; + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION_F(EXT_stencil_two_side, pname); + *params = (GLfloat) ctx->Stencil.TestTwoSide; + break; + case GL_ACTIVE_STENCIL_FACE_EXT: + CHECK_EXTENSION_F(EXT_stencil_two_side, pname); + *params = (GLfloat) (ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT); + break; + + /* GL_NV_light_max_exponent */ + case GL_MAX_SHININESS_NV: + *params = ctx->Const.MaxShininess; + break; + case GL_MAX_SPOT_EXPONENT_NV: + *params = ctx->Const.MaxSpotExponent; + break; + +#if FEATURE_ARB_vertex_buffer_object + case GL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.ArrayBufferObj->Name; + break; + case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.Vertex.BufferObj->Name; + break; + case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.Normal.BufferObj->Name; + break; + case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.Color.BufferObj->Name; + break; + case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.Index.BufferObj->Name; + break; + case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.TexCoord[clientUnit].BufferObj->Name; + break; + case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.EdgeFlag.BufferObj->Name; + break; + case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.SecondaryColor.BufferObj->Name; + break; + case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.FogCoord.BufferObj->Name; + break; + /*case GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB: - not supported */ + case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_F(ARB_vertex_buffer_object, pname); + *params = (GLfloat) ctx->Array.ElementArrayBufferObj->Name; + break; +#endif +#if FEATURE_EXT_pixel_buffer_object + case GL_PIXEL_PACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_F(EXT_pixel_buffer_object, pname); + *params = (GLfloat) ctx->Pack.BufferObj->Name; + break; + case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_F(EXT_pixel_buffer_object, pname); + *params = (GLfloat) ctx->Unpack.BufferObj->Name; + break; +#endif + +#if FEATURE_ARB_vertex_program + /* GL_NV_vertex_program and GL_ARB_fragment_program define others */ + case GL_MAX_VERTEX_ATTRIBS_ARB: + CHECK_EXTENSION_F(ARB_vertex_program, pname); + *params = (GLfloat) ctx->Const.MaxVertexProgramAttribs; + break; +#endif + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION_F(ARB_fragment_program, pname); + *params = (GLfloat) ctx->FragmentProgram.Enabled; + break; + case GL_TRANSPOSE_CURRENT_MATRIX_ARB: + CHECK_EXTENSION_F(ARB_fragment_program, pname); + params[0] = ctx->CurrentStack->Top->m[0]; + params[1] = ctx->CurrentStack->Top->m[4]; + params[2] = ctx->CurrentStack->Top->m[8]; + params[3] = ctx->CurrentStack->Top->m[12]; + params[4] = ctx->CurrentStack->Top->m[1]; + params[5] = ctx->CurrentStack->Top->m[5]; + params[6] = ctx->CurrentStack->Top->m[9]; + params[7] = ctx->CurrentStack->Top->m[13]; + params[8] = ctx->CurrentStack->Top->m[2]; + params[9] = ctx->CurrentStack->Top->m[6]; + params[10] = ctx->CurrentStack->Top->m[10]; + params[11] = ctx->CurrentStack->Top->m[14]; + params[12] = ctx->CurrentStack->Top->m[3]; + params[13] = ctx->CurrentStack->Top->m[7]; + params[14] = ctx->CurrentStack->Top->m[11]; + params[15] = ctx->CurrentStack->Top->m[15]; + break; + /* Remaining ARB_fragment_program queries alias with + * the GL_NV_fragment_program queries. + */ +#endif + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION_F(EXT_depth_bounds_test, pname); + params[0] = (GLfloat) ctx->Depth.BoundsTest; + break; + case GL_DEPTH_BOUNDS_EXT: + CHECK_EXTENSION_F(EXT_depth_bounds_test, pname); + params[0] = ctx->Depth.BoundsMin; + params[1] = ctx->Depth.BoundsMax; + break; + +#if FEATURE_MESA_program_debug + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_F(MESA_program_debug, pname); + *params = (GLfloat) ctx->FragmentProgram.CallbackEnabled; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_F(MESA_program_debug, pname); + *params = (GLfloat) ctx->VertexProgram.CallbackEnabled; + break; + case GL_FRAGMENT_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_F(MESA_program_debug, pname); + *params = (GLfloat) ctx->FragmentProgram.CurrentPosition; + break; + case GL_VERTEX_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_F(MESA_program_debug, pname); + *params = (GLfloat) ctx->VertexProgram.CurrentPosition; + break; +#endif + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv(0x%x)", pname); + } +} + + +/** + * Get the value(s) of a selected parameter. + * + * \param pname parameter to be returned. + * \param params will hold the value(s) of the speficifed parameter. + * + * \sa glGetIntegerv(). + * + * Tries to get the specified parameter via dd_function_table::GetIntegerv, + * otherwise gets the specified parameter from the current context, converting + * it value into GLinteger. + */ +void GLAPIENTRY +_mesa_GetIntegerv( GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint i; + const GLuint clientUnit = ctx->Array.ActiveTexture; + const GLuint texUnit = ctx->Texture.CurrentUnit; + const struct gl_texture_unit *textureUnit = &ctx->Texture.Unit[texUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetIntegerv %s\n", _mesa_lookup_enum_by_nr(pname)); + + if (!ctx->_CurrentProgram) { + /* We need this in order to get correct results for + * GL_OCCLUSION_TEST_RESULT_HP. There might be other important cases. + */ + FLUSH_VERTICES(ctx, 0); + } + + if (ctx->Driver.GetIntegerv + && (*ctx->Driver.GetIntegerv)(ctx, pname, params)) + return; + + switch (pname) { + case GL_ACCUM_RED_BITS: + *params = (GLint) ctx->Visual.accumRedBits; + break; + case GL_ACCUM_GREEN_BITS: + *params = (GLint) ctx->Visual.accumGreenBits; + break; + case GL_ACCUM_BLUE_BITS: + *params = (GLint) ctx->Visual.accumBlueBits; + break; + case GL_ACCUM_ALPHA_BITS: + *params = (GLint) ctx->Visual.accumAlphaBits; + break; + case GL_ACCUM_CLEAR_VALUE: + params[0] = FLOAT_TO_INT( ctx->Accum.ClearColor[0] ); + params[1] = FLOAT_TO_INT( ctx->Accum.ClearColor[1] ); + params[2] = FLOAT_TO_INT( ctx->Accum.ClearColor[2] ); + params[3] = FLOAT_TO_INT( ctx->Accum.ClearColor[3] ); + break; + case GL_ALPHA_BIAS: + *params = (GLint) ctx->Pixel.AlphaBias; + break; + case GL_ALPHA_BITS: + *params = ctx->Visual.alphaBits; + break; + case GL_ALPHA_SCALE: + *params = (GLint) ctx->Pixel.AlphaScale; + break; + case GL_ALPHA_TEST: + *params = (GLint) ctx->Color.AlphaEnabled; + break; + case GL_ALPHA_TEST_REF: + *params = FLOAT_TO_INT(ctx->Color.AlphaRef); + break; + case GL_ALPHA_TEST_FUNC: + *params = (GLint) ctx->Color.AlphaFunc; + break; + case GL_ATTRIB_STACK_DEPTH: + *params = (GLint) (ctx->AttribStackDepth); + break; + case GL_AUTO_NORMAL: + *params = (GLint) ctx->Eval.AutoNormal; + break; + case GL_AUX_BUFFERS: + *params = (GLint) ctx->Visual.numAuxBuffers; + break; + case GL_BLEND: + *params = (GLint) ctx->Color.BlendEnabled; + break; + case GL_BLEND_DST: + *params = (GLint) ctx->Color.BlendDstRGB; + break; + case GL_BLEND_SRC: + *params = (GLint) ctx->Color.BlendSrcRGB; + break; + case GL_BLEND_SRC_RGB_EXT: + *params = (GLint) ctx->Color.BlendSrcRGB; + break; + case GL_BLEND_DST_RGB_EXT: + *params = (GLint) ctx->Color.BlendDstRGB; + break; + case GL_BLEND_SRC_ALPHA_EXT: + *params = (GLint) ctx->Color.BlendSrcA; + break; + case GL_BLEND_DST_ALPHA_EXT: + *params = (GLint) ctx->Color.BlendDstA; + break; + case GL_BLEND_EQUATION: + *params = (GLint) ctx->Color.BlendEquationRGB; + break; + case GL_BLEND_EQUATION_ALPHA_EXT: + *params = (GLint) ctx->Color.BlendEquationA; + break; + case GL_BLEND_COLOR_EXT: + params[0] = FLOAT_TO_INT( ctx->Color.BlendColor[0] ); + params[1] = FLOAT_TO_INT( ctx->Color.BlendColor[1] ); + params[2] = FLOAT_TO_INT( ctx->Color.BlendColor[2] ); + params[3] = FLOAT_TO_INT( ctx->Color.BlendColor[3] ); + break; + case GL_BLUE_BIAS: + *params = (GLint) ctx->Pixel.BlueBias; + break; + case GL_BLUE_BITS: + *params = (GLint) ctx->Visual.blueBits; + break; + case GL_BLUE_SCALE: + *params = (GLint) ctx->Pixel.BlueScale; + break; + case GL_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLint) (ctx->ClientAttribStackDepth); + break; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + if (ctx->Transform.ClipPlanesEnabled & (1 << (pname - GL_CLIP_PLANE0))) + *params = 1; + else + *params = 0; + break; + case GL_COLOR_CLEAR_VALUE: + params[0] = FLOAT_TO_INT( (ctx->Color.ClearColor[0]) ); + params[1] = FLOAT_TO_INT( (ctx->Color.ClearColor[1]) ); + params[2] = FLOAT_TO_INT( (ctx->Color.ClearColor[2]) ); + params[3] = FLOAT_TO_INT( (ctx->Color.ClearColor[3]) ); + break; + case GL_COLOR_MATERIAL: + *params = (GLint) ctx->Light.ColorMaterialEnabled; + break; + case GL_COLOR_MATERIAL_FACE: + *params = (GLint) ctx->Light.ColorMaterialFace; + break; + case GL_COLOR_MATERIAL_PARAMETER: + *params = (GLint) ctx->Light.ColorMaterialMode; + break; + case GL_COLOR_WRITEMASK: + params[0] = ctx->Color.ColorMask[RCOMP] ? 1 : 0; + params[1] = ctx->Color.ColorMask[GCOMP] ? 1 : 0; + params[2] = ctx->Color.ColorMask[BCOMP] ? 1 : 0; + params[3] = ctx->Color.ColorMask[ACOMP] ? 1 : 0; + break; + case GL_CULL_FACE: + *params = (GLint) ctx->Polygon.CullFlag; + break; + case GL_CULL_FACE_MODE: + *params = (GLint) ctx->Polygon.CullFaceMode; + break; + case GL_CURRENT_COLOR: + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]); + params[1] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]); + params[2] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]); + params[3] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]); + break; + case GL_CURRENT_INDEX: + FLUSH_CURRENT(ctx, 0); + *params = (GLint) ctx->Current.Index; + break; + case GL_CURRENT_NORMAL: + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]); + params[1] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]); + params[2] = FLOAT_TO_INT(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]); + break; + case GL_CURRENT_RASTER_COLOR: + params[0] = FLOAT_TO_INT( ctx->Current.RasterColor[0] ); + params[1] = FLOAT_TO_INT( ctx->Current.RasterColor[1] ); + params[2] = FLOAT_TO_INT( ctx->Current.RasterColor[2] ); + params[3] = FLOAT_TO_INT( ctx->Current.RasterColor[3] ); + break; + case GL_CURRENT_RASTER_DISTANCE: + params[0] = (GLint) ctx->Current.RasterDistance; + break; + case GL_CURRENT_RASTER_INDEX: + *params = (GLint) ctx->Current.RasterIndex; + break; + case GL_CURRENT_RASTER_POSITION: + params[0] = (GLint) ctx->Current.RasterPos[0]; + params[1] = (GLint) ctx->Current.RasterPos[1]; + params[2] = (GLint) ctx->Current.RasterPos[2]; + params[3] = (GLint) ctx->Current.RasterPos[3]; + break; + case GL_CURRENT_RASTER_TEXTURE_COORDS: + params[0] = (GLint) ctx->Current.RasterTexCoords[texUnit][0]; + params[1] = (GLint) ctx->Current.RasterTexCoords[texUnit][1]; + params[2] = (GLint) ctx->Current.RasterTexCoords[texUnit][2]; + params[3] = (GLint) ctx->Current.RasterTexCoords[texUnit][3]; + break; + case GL_CURRENT_RASTER_POSITION_VALID: + *params = (GLint) ctx->Current.RasterPosValid; + break; + case GL_CURRENT_TEXTURE_COORDS: + FLUSH_CURRENT(ctx, 0); + params[0] = (GLint) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]; + params[1] = (GLint) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]; + params[2] = (GLint) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]; + params[3] = (GLint) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]; + break; + case GL_DEPTH_BIAS: + *params = (GLint) ctx->Pixel.DepthBias; + break; + case GL_DEPTH_BITS: + *params = ctx->Visual.depthBits; + break; + case GL_DEPTH_CLEAR_VALUE: + *params = (GLint) ctx->Depth.Clear; + break; + case GL_DEPTH_FUNC: + *params = (GLint) ctx->Depth.Func; + break; + case GL_DEPTH_RANGE: + params[0] = (GLint) ctx->Viewport.Near; + params[1] = (GLint) ctx->Viewport.Far; + break; + case GL_DEPTH_SCALE: + *params = (GLint) ctx->Pixel.DepthScale; + break; + case GL_DEPTH_TEST: + *params = (GLint) ctx->Depth.Test; + break; + case GL_DEPTH_WRITEMASK: + *params = (GLint) ctx->Depth.Mask; + break; + case GL_DITHER: + *params = (GLint) ctx->Color.DitherFlag; + break; + case GL_DOUBLEBUFFER: + *params = (GLint) ctx->Visual.doubleBufferMode; + break; + case GL_DRAW_BUFFER: + *params = (GLint) ctx->Color.DrawBuffer; + break; + case GL_EDGE_FLAG: + FLUSH_CURRENT(ctx, 0); + *params = (GLint) ctx->Current.EdgeFlag; + break; + case GL_FEEDBACK_BUFFER_SIZE: + *params = ctx->Feedback.BufferSize; + break; + case GL_FEEDBACK_BUFFER_TYPE: + *params = ctx->Feedback.Type; + break; + case GL_FOG: + *params = (GLint) ctx->Fog.Enabled; + break; + case GL_FOG_COLOR: + params[0] = FLOAT_TO_INT( ctx->Fog.Color[0] ); + params[1] = FLOAT_TO_INT( ctx->Fog.Color[1] ); + params[2] = FLOAT_TO_INT( ctx->Fog.Color[2] ); + params[3] = FLOAT_TO_INT( ctx->Fog.Color[3] ); + break; + case GL_FOG_DENSITY: + *params = (GLint) ctx->Fog.Density; + break; + case GL_FOG_END: + *params = (GLint) ctx->Fog.End; + break; + case GL_FOG_HINT: + *params = (GLint) ctx->Hint.Fog; + break; + case GL_FOG_INDEX: + *params = (GLint) ctx->Fog.Index; + break; + case GL_FOG_MODE: + *params = (GLint) ctx->Fog.Mode; + break; + case GL_FOG_START: + *params = (GLint) ctx->Fog.Start; + break; + case GL_FRONT_FACE: + *params = (GLint) ctx->Polygon.FrontFace; + break; + case GL_GREEN_BIAS: + *params = (GLint) ctx->Pixel.GreenBias; + break; + case GL_GREEN_BITS: + *params = (GLint) ctx->Visual.greenBits; + break; + case GL_GREEN_SCALE: + *params = (GLint) ctx->Pixel.GreenScale; + break; + case GL_INDEX_BITS: + *params = (GLint) ctx->Visual.indexBits; + break; + case GL_INDEX_CLEAR_VALUE: + *params = (GLint) ctx->Color.ClearIndex; + break; + case GL_INDEX_MODE: + *params = ctx->Visual.rgbMode ? 0 : 1; + break; + case GL_INDEX_OFFSET: + *params = ctx->Pixel.IndexOffset; + break; + case GL_INDEX_SHIFT: + *params = ctx->Pixel.IndexShift; + break; + case GL_INDEX_WRITEMASK: + *params = (GLint) ctx->Color.IndexMask; + break; + case GL_LIGHT0: + case GL_LIGHT1: + case GL_LIGHT2: + case GL_LIGHT3: + case GL_LIGHT4: + case GL_LIGHT5: + case GL_LIGHT6: + case GL_LIGHT7: + *params = (GLint) ctx->Light.Light[pname-GL_LIGHT0].Enabled; + break; + case GL_LIGHTING: + *params = (GLint) ctx->Light.Enabled; + break; + case GL_LIGHT_MODEL_AMBIENT: + params[0] = FLOAT_TO_INT( ctx->Light.Model.Ambient[0] ); + params[1] = FLOAT_TO_INT( ctx->Light.Model.Ambient[1] ); + params[2] = FLOAT_TO_INT( ctx->Light.Model.Ambient[2] ); + params[3] = FLOAT_TO_INT( ctx->Light.Model.Ambient[3] ); + break; + case GL_LIGHT_MODEL_COLOR_CONTROL: + params[0] = (GLint) ctx->Light.Model.ColorControl; + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + *params = (GLint) ctx->Light.Model.LocalViewer; + break; + case GL_LIGHT_MODEL_TWO_SIDE: + *params = (GLint) ctx->Light.Model.TwoSide; + break; + case GL_LINE_SMOOTH: + *params = (GLint) ctx->Line.SmoothFlag; + break; + case GL_LINE_SMOOTH_HINT: + *params = (GLint) ctx->Hint.LineSmooth; + break; + case GL_LINE_STIPPLE: + *params = (GLint) ctx->Line.StippleFlag; + break; + case GL_LINE_STIPPLE_PATTERN: + *params = (GLint) ctx->Line.StipplePattern; + break; + case GL_LINE_STIPPLE_REPEAT: + *params = (GLint) ctx->Line.StippleFactor; + break; + case GL_LINE_WIDTH: + *params = (GLint) ctx->Line.Width; + break; + case GL_LINE_WIDTH_GRANULARITY: + *params = (GLint) ctx->Const.LineWidthGranularity; + break; + case GL_LINE_WIDTH_RANGE: + params[0] = (GLint) ctx->Const.MinLineWidthAA; + params[1] = (GLint) ctx->Const.MaxLineWidthAA; + break; + case GL_ALIASED_LINE_WIDTH_RANGE: + params[0] = (GLint) ctx->Const.MinLineWidth; + params[1] = (GLint) ctx->Const.MaxLineWidth; + break; + case GL_LIST_BASE: + *params = (GLint) ctx->List.ListBase; + break; + case GL_LIST_INDEX: + *params = (GLint) ctx->ListState.CurrentListNum; + break; + case GL_LIST_MODE: + if (!ctx->CompileFlag) + *params = 0; + else if (ctx->ExecuteFlag) + *params = (GLint) GL_COMPILE_AND_EXECUTE; + else + *params = (GLint) GL_COMPILE; + break; + case GL_INDEX_LOGIC_OP: + *params = (GLint) ctx->Color.IndexLogicOpEnabled; + break; + case GL_COLOR_LOGIC_OP: + *params = (GLint) ctx->Color.ColorLogicOpEnabled; + break; + case GL_LOGIC_OP_MODE: + *params = (GLint) ctx->Color.LogicOp; + break; + case GL_MAP1_COLOR_4: + *params = (GLint) ctx->Eval.Map1Color4; + break; + case GL_MAP1_GRID_DOMAIN: + params[0] = (GLint) ctx->Eval.MapGrid1u1; + params[1] = (GLint) ctx->Eval.MapGrid1u2; + break; + case GL_MAP1_GRID_SEGMENTS: + *params = (GLint) ctx->Eval.MapGrid1un; + break; + case GL_MAP1_INDEX: + *params = (GLint) ctx->Eval.Map1Index; + break; + case GL_MAP1_NORMAL: + *params = (GLint) ctx->Eval.Map1Normal; + break; + case GL_MAP1_TEXTURE_COORD_1: + *params = (GLint) ctx->Eval.Map1TextureCoord1; + break; + case GL_MAP1_TEXTURE_COORD_2: + *params = (GLint) ctx->Eval.Map1TextureCoord2; + break; + case GL_MAP1_TEXTURE_COORD_3: + *params = (GLint) ctx->Eval.Map1TextureCoord3; + break; + case GL_MAP1_TEXTURE_COORD_4: + *params = (GLint) ctx->Eval.Map1TextureCoord4; + break; + case GL_MAP1_VERTEX_3: + *params = (GLint) ctx->Eval.Map1Vertex3; + break; + case GL_MAP1_VERTEX_4: + *params = (GLint) ctx->Eval.Map1Vertex4; + break; + case GL_MAP2_COLOR_4: + *params = (GLint) ctx->Eval.Map2Color4; + break; + case GL_MAP2_GRID_DOMAIN: + params[0] = (GLint) ctx->Eval.MapGrid2u1; + params[1] = (GLint) ctx->Eval.MapGrid2u2; + params[2] = (GLint) ctx->Eval.MapGrid2v1; + params[3] = (GLint) ctx->Eval.MapGrid2v2; + break; + case GL_MAP2_GRID_SEGMENTS: + params[0] = (GLint) ctx->Eval.MapGrid2un; + params[1] = (GLint) ctx->Eval.MapGrid2vn; + break; + case GL_MAP2_INDEX: + *params = (GLint) ctx->Eval.Map2Index; + break; + case GL_MAP2_NORMAL: + *params = (GLint) ctx->Eval.Map2Normal; + break; + case GL_MAP2_TEXTURE_COORD_1: + *params = (GLint) ctx->Eval.Map2TextureCoord1; + break; + case GL_MAP2_TEXTURE_COORD_2: + *params = (GLint) ctx->Eval.Map2TextureCoord2; + break; + case GL_MAP2_TEXTURE_COORD_3: + *params = (GLint) ctx->Eval.Map2TextureCoord3; + break; + case GL_MAP2_TEXTURE_COORD_4: + *params = (GLint) ctx->Eval.Map2TextureCoord4; + break; + case GL_MAP2_VERTEX_3: + *params = (GLint) ctx->Eval.Map2Vertex3; + break; + case GL_MAP2_VERTEX_4: + *params = (GLint) ctx->Eval.Map2Vertex4; + break; + case GL_MAP_COLOR: + *params = (GLint) ctx->Pixel.MapColorFlag; + break; + case GL_MAP_STENCIL: + *params = (GLint) ctx->Pixel.MapStencilFlag; + break; + case GL_MATRIX_MODE: + *params = (GLint) ctx->Transform.MatrixMode; + break; + case GL_MAX_ATTRIB_STACK_DEPTH: + *params = (GLint) MAX_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH: + *params = (GLint) MAX_CLIENT_ATTRIB_STACK_DEPTH; + break; + case GL_MAX_CLIP_PLANES: + *params = (GLint) ctx->Const.MaxClipPlanes; + break; + case GL_MAX_ELEMENTS_VERTICES: /* GL_VERSION_1_2 */ + *params = (GLint) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_ELEMENTS_INDICES: /* GL_VERSION_1_2 */ + *params = (GLint) ctx->Const.MaxArrayLockSize; + break; + case GL_MAX_EVAL_ORDER: + *params = (GLint) MAX_EVAL_ORDER; + break; + case GL_MAX_LIGHTS: + *params = (GLint) ctx->Const.MaxLights; + break; + case GL_MAX_LIST_NESTING: + *params = (GLint) MAX_LIST_NESTING; + break; + case GL_MAX_MODELVIEW_STACK_DEPTH: + *params = (GLint) MAX_MODELVIEW_STACK_DEPTH; + break; + case GL_MAX_NAME_STACK_DEPTH: + *params = (GLint) MAX_NAME_STACK_DEPTH; + break; + case GL_MAX_PIXEL_MAP_TABLE: + *params = (GLint) MAX_PIXEL_MAP_TABLE; + break; + case GL_MAX_PROJECTION_STACK_DEPTH: + *params = (GLint) MAX_PROJECTION_STACK_DEPTH; + break; + case GL_MAX_TEXTURE_SIZE: + *params = (1 << (ctx->Const.MaxTextureLevels - 1)); + break; + case GL_MAX_3D_TEXTURE_SIZE: + *params = (1 << (ctx->Const.Max3DTextureLevels - 1)); + break; + case GL_MAX_TEXTURE_STACK_DEPTH: + *params = (GLint) MAX_TEXTURE_STACK_DEPTH; + break; + case GL_MAX_VIEWPORT_DIMS: + params[0] = (GLint) MAX_WIDTH; + params[1] = (GLint) MAX_HEIGHT; + break; + case GL_MODELVIEW_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLint) ctx->ModelviewMatrixStack.Top->m[i]; + } + break; + case GL_MODELVIEW_STACK_DEPTH: + *params = (GLint) (ctx->ModelviewMatrixStack.Depth + 1); + break; + case GL_NAME_STACK_DEPTH: + *params = (GLint) ctx->Select.NameStackDepth; + break; + case GL_NORMALIZE: + *params = (GLint) ctx->Transform.Normalize; + break; + case GL_PACK_ALIGNMENT: + *params = ctx->Pack.Alignment; + break; + case GL_PACK_LSB_FIRST: + *params = (GLint) ctx->Pack.LsbFirst; + break; + case GL_PACK_ROW_LENGTH: + *params = ctx->Pack.RowLength; + break; + case GL_PACK_SKIP_PIXELS: + *params = ctx->Pack.SkipPixels; + break; + case GL_PACK_SKIP_ROWS: + *params = ctx->Pack.SkipRows; + break; + case GL_PACK_SWAP_BYTES: + *params = (GLint) ctx->Pack.SwapBytes; + break; + case GL_PACK_SKIP_IMAGES_EXT: + *params = ctx->Pack.SkipImages; + break; + case GL_PACK_IMAGE_HEIGHT_EXT: + *params = ctx->Pack.ImageHeight; + break; + case GL_PACK_INVERT_MESA: + *params = ctx->Pack.Invert; + break; + case GL_PERSPECTIVE_CORRECTION_HINT: + *params = (GLint) ctx->Hint.PerspectiveCorrection; + break; + case GL_PIXEL_MAP_A_TO_A_SIZE: + *params = ctx->Pixel.MapAtoAsize; + break; + case GL_PIXEL_MAP_B_TO_B_SIZE: + *params = ctx->Pixel.MapBtoBsize; + break; + case GL_PIXEL_MAP_G_TO_G_SIZE: + *params = ctx->Pixel.MapGtoGsize; + break; + case GL_PIXEL_MAP_I_TO_A_SIZE: + *params = ctx->Pixel.MapItoAsize; + break; + case GL_PIXEL_MAP_I_TO_B_SIZE: + *params = ctx->Pixel.MapItoBsize; + break; + case GL_PIXEL_MAP_I_TO_G_SIZE: + *params = ctx->Pixel.MapItoGsize; + break; + case GL_PIXEL_MAP_I_TO_I_SIZE: + *params = ctx->Pixel.MapItoIsize; + break; + case GL_PIXEL_MAP_I_TO_R_SIZE: + *params = ctx->Pixel.MapItoRsize; + break; + case GL_PIXEL_MAP_R_TO_R_SIZE: + *params = ctx->Pixel.MapRtoRsize; + break; + case GL_PIXEL_MAP_S_TO_S_SIZE: + *params = ctx->Pixel.MapStoSsize; + break; + case GL_POINT_SIZE: + *params = (GLint) ctx->Point.Size; + break; + case GL_POINT_SIZE_GRANULARITY: + *params = (GLint) ctx->Const.PointSizeGranularity; + break; + case GL_POINT_SIZE_RANGE: + params[0] = (GLint) ctx->Const.MinPointSizeAA; + params[1] = (GLint) ctx->Const.MaxPointSizeAA; + break; + case GL_ALIASED_POINT_SIZE_RANGE: + params[0] = (GLint) ctx->Const.MinPointSize; + params[1] = (GLint) ctx->Const.MaxPointSize; + break; + case GL_POINT_SMOOTH: + *params = (GLint) ctx->Point.SmoothFlag; + break; + case GL_POINT_SMOOTH_HINT: + *params = (GLint) ctx->Hint.PointSmooth; + break; + case GL_POINT_SIZE_MIN_EXT: + *params = (GLint) (ctx->Point.MinSize); + break; + case GL_POINT_SIZE_MAX_EXT: + *params = (GLint) (ctx->Point.MaxSize); + break; + case GL_POINT_FADE_THRESHOLD_SIZE_EXT: + *params = (GLint) (ctx->Point.Threshold); + break; + case GL_DISTANCE_ATTENUATION_EXT: + params[0] = (GLint) (ctx->Point.Params[0]); + params[1] = (GLint) (ctx->Point.Params[1]); + params[2] = (GLint) (ctx->Point.Params[2]); + break; + case GL_POLYGON_MODE: + params[0] = (GLint) ctx->Polygon.FrontMode; + params[1] = (GLint) ctx->Polygon.BackMode; + break; + case GL_POLYGON_OFFSET_BIAS_EXT: /* GL_EXT_polygon_offset */ + *params = (GLint) ctx->Polygon.OffsetUnits; + break; + case GL_POLYGON_OFFSET_FACTOR: + *params = (GLint) ctx->Polygon.OffsetFactor; + break; + case GL_POLYGON_OFFSET_UNITS: + *params = (GLint) ctx->Polygon.OffsetUnits; + break; + case GL_POLYGON_SMOOTH: + *params = (GLint) ctx->Polygon.SmoothFlag; + break; + case GL_POLYGON_SMOOTH_HINT: + *params = (GLint) ctx->Hint.PolygonSmooth; + break; + case GL_POLYGON_STIPPLE: + *params = (GLint) ctx->Polygon.StippleFlag; + break; + case GL_PROJECTION_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLint) ctx->ProjectionMatrixStack.Top->m[i]; + } + break; + case GL_PROJECTION_STACK_DEPTH: + *params = (GLint) (ctx->ProjectionMatrixStack.Depth + 1); + break; + case GL_READ_BUFFER: + *params = (GLint) ctx->Pixel.ReadBuffer; + break; + case GL_RED_BIAS: + *params = (GLint) ctx->Pixel.RedBias; + break; + case GL_RED_BITS: + *params = (GLint) ctx->Visual.redBits; + break; + case GL_RED_SCALE: + *params = (GLint) ctx->Pixel.RedScale; + break; + case GL_RENDER_MODE: + *params = (GLint) ctx->RenderMode; + break; + case GL_RESCALE_NORMAL: + *params = (GLint) ctx->Transform.RescaleNormals; + break; + case GL_RGBA_MODE: + *params = (GLint) ctx->Visual.rgbMode; + break; + case GL_SCISSOR_BOX: + params[0] = (GLint) ctx->Scissor.X; + params[1] = (GLint) ctx->Scissor.Y; + params[2] = (GLint) ctx->Scissor.Width; + params[3] = (GLint) ctx->Scissor.Height; + break; + case GL_SCISSOR_TEST: + *params = (GLint) ctx->Scissor.Enabled; + break; + case GL_SELECTION_BUFFER_SIZE: + *params = (GLint) ctx->Select.BufferSize; + break; + case GL_SHADE_MODEL: + *params = (GLint) ctx->Light.ShadeModel; + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + *params = (GLint) ctx->Texture.SharedPalette; + break; + case GL_STENCIL_BITS: + *params = ctx->Visual.stencilBits; + break; + case GL_STENCIL_CLEAR_VALUE: + *params = (GLint) ctx->Stencil.Clear; + break; + case GL_STENCIL_FAIL: + *params = (GLint) ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_FUNC: + *params = (GLint) ctx->Stencil.Function[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_PASS_DEPTH_FAIL: + *params = (GLint) ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_PASS_DEPTH_PASS: + *params = (GLint) ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_REF: + *params = (GLint) ctx->Stencil.Ref[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_TEST: + *params = (GLint) ctx->Stencil.Enabled; + break; + case GL_STENCIL_VALUE_MASK: + *params = (GLint) ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]; + break; + case GL_STENCIL_WRITEMASK: + *params = (GLint) ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]; + break; + case GL_STEREO: + *params = (GLint) ctx->Visual.stereoMode; + break; + case GL_SUBPIXEL_BITS: + *params = ctx->Const.SubPixelBits; + break; + case GL_TEXTURE_1D: + *params = _mesa_IsEnabled(GL_TEXTURE_1D) ? 1 : 0; + break; + case GL_TEXTURE_2D: + *params = _mesa_IsEnabled(GL_TEXTURE_2D) ? 1 : 0; + break; + case GL_TEXTURE_3D: + *params = _mesa_IsEnabled(GL_TEXTURE_3D) ? 1 : 0; + break; + case GL_TEXTURE_BINDING_1D: + *params = textureUnit->Current1D->Name; + break; + case GL_TEXTURE_BINDING_2D: + *params = textureUnit->Current2D->Name; + break; + case GL_TEXTURE_BINDING_3D: + *params = textureUnit->Current3D->Name; + break; + case GL_TEXTURE_ENV_COLOR: + params[0] = FLOAT_TO_INT( textureUnit->EnvColor[0] ); + params[1] = FLOAT_TO_INT( textureUnit->EnvColor[1] ); + params[2] = FLOAT_TO_INT( textureUnit->EnvColor[2] ); + params[3] = FLOAT_TO_INT( textureUnit->EnvColor[3] ); + break; + case GL_TEXTURE_ENV_MODE: + *params = (GLint) textureUnit->EnvMode; + break; + case GL_TEXTURE_GEN_S: + *params = (textureUnit->TexGenEnabled & S_BIT) ? 1 : 0; + break; + case GL_TEXTURE_GEN_T: + *params = (textureUnit->TexGenEnabled & T_BIT) ? 1 : 0; + break; + case GL_TEXTURE_GEN_R: + *params = (textureUnit->TexGenEnabled & R_BIT) ? 1 : 0; + break; + case GL_TEXTURE_GEN_Q: + *params = (textureUnit->TexGenEnabled & Q_BIT) ? 1 : 0; + break; + case GL_TEXTURE_MATRIX: + for (i=0;i<16;i++) { + params[i] = (GLint) ctx->TextureMatrixStack[texUnit].Top->m[i]; + } + break; + case GL_TEXTURE_STACK_DEPTH: + *params = (GLint) (ctx->TextureMatrixStack[texUnit].Depth + 1); + break; + case GL_UNPACK_ALIGNMENT: + *params = ctx->Unpack.Alignment; + break; + case GL_UNPACK_LSB_FIRST: + *params = (GLint) ctx->Unpack.LsbFirst; + break; + case GL_UNPACK_ROW_LENGTH: + *params = ctx->Unpack.RowLength; + break; + case GL_UNPACK_SKIP_PIXELS: + *params = ctx->Unpack.SkipPixels; + break; + case GL_UNPACK_SKIP_ROWS: + *params = ctx->Unpack.SkipRows; + break; + case GL_UNPACK_SWAP_BYTES: + *params = (GLint) ctx->Unpack.SwapBytes; + break; + case GL_UNPACK_SKIP_IMAGES_EXT: + *params = ctx->Unpack.SkipImages; + break; + case GL_UNPACK_IMAGE_HEIGHT_EXT: + *params = ctx->Unpack.ImageHeight; + break; + case GL_UNPACK_CLIENT_STORAGE_APPLE: + *params = ctx->Unpack.ClientStorage; + break; + case GL_VIEWPORT: + params[0] = (GLint) ctx->Viewport.X; + params[1] = (GLint) ctx->Viewport.Y; + params[2] = (GLint) ctx->Viewport.Width; + params[3] = (GLint) ctx->Viewport.Height; + break; + case GL_ZOOM_X: + *params = (GLint) ctx->Pixel.ZoomX; + break; + case GL_ZOOM_Y: + *params = (GLint) ctx->Pixel.ZoomY; + break; + case GL_VERTEX_ARRAY: + *params = (GLint) ctx->Array.Vertex.Enabled; + break; + case GL_VERTEX_ARRAY_SIZE: + *params = ctx->Array.Vertex.Size; + break; + case GL_VERTEX_ARRAY_TYPE: + *params = ctx->Array.Vertex.Type; + break; + case GL_VERTEX_ARRAY_STRIDE: + *params = ctx->Array.Vertex.Stride; + break; + case GL_VERTEX_ARRAY_COUNT_EXT: + *params = 0; + break; + case GL_NORMAL_ARRAY: + *params = (GLint) ctx->Array.Normal.Enabled; + break; + case GL_NORMAL_ARRAY_TYPE: + *params = ctx->Array.Normal.Type; + break; + case GL_NORMAL_ARRAY_STRIDE: + *params = ctx->Array.Normal.Stride; + break; + case GL_NORMAL_ARRAY_COUNT_EXT: + *params = 0; + break; + case GL_COLOR_ARRAY: + *params = (GLint) ctx->Array.Color.Enabled; + break; + case GL_COLOR_ARRAY_SIZE: + *params = ctx->Array.Color.Size; + break; + case GL_COLOR_ARRAY_TYPE: + *params = ctx->Array.Color.Type; + break; + case GL_COLOR_ARRAY_STRIDE: + *params = ctx->Array.Color.Stride; + break; + case GL_COLOR_ARRAY_COUNT_EXT: + *params = 0; + break; + case GL_INDEX_ARRAY: + *params = (GLint) ctx->Array.Index.Enabled; + break; + case GL_INDEX_ARRAY_TYPE: + *params = ctx->Array.Index.Type; + break; + case GL_INDEX_ARRAY_STRIDE: + *params = ctx->Array.Index.Stride; + break; + case GL_INDEX_ARRAY_COUNT_EXT: + *params = 0; + break; + case GL_TEXTURE_COORD_ARRAY: + *params = (GLint) ctx->Array.TexCoord[clientUnit].Enabled; + break; + case GL_TEXTURE_COORD_ARRAY_SIZE: + *params = ctx->Array.TexCoord[clientUnit].Size; + break; + case GL_TEXTURE_COORD_ARRAY_TYPE: + *params = ctx->Array.TexCoord[clientUnit].Type; + break; + case GL_TEXTURE_COORD_ARRAY_STRIDE: + *params = ctx->Array.TexCoord[clientUnit].Stride; + break; + case GL_TEXTURE_COORD_ARRAY_COUNT_EXT: + *params = 0; + break; + case GL_EDGE_FLAG_ARRAY: + *params = (GLint) ctx->Array.EdgeFlag.Enabled; + break; + case GL_EDGE_FLAG_ARRAY_STRIDE: + *params = ctx->Array.EdgeFlag.Stride; + break; + case GL_EDGE_FLAG_ARRAY_COUNT_EXT: + *params = 0; + break; + + /* GL_ARB_multitexture */ + case GL_MAX_TEXTURE_UNITS_ARB: + CHECK_EXTENSION_I(ARB_multitexture, pname); + *params = MIN2(ctx->Const.MaxTextureImageUnits, + ctx->Const.MaxTextureCoordUnits); + break; + case GL_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_I(ARB_multitexture, pname); + *params = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit; + break; + case GL_CLIENT_ACTIVE_TEXTURE_ARB: + CHECK_EXTENSION_I(ARB_multitexture, pname); + *params = GL_TEXTURE0_ARB + clientUnit; + break; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION_I(ARB_texture_cube_map, pname); + *params = (GLint) _mesa_IsEnabled(GL_TEXTURE_CUBE_MAP_ARB); + break; + case GL_TEXTURE_BINDING_CUBE_MAP_ARB: + CHECK_EXTENSION_I(ARB_texture_cube_map, pname); + *params = textureUnit->CurrentCubeMap->Name; + break; + case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: + CHECK_EXTENSION_I(ARB_texture_cube_map, pname); + *params = (1 << (ctx->Const.MaxCubeTextureLevels - 1)); + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSION_HINT_ARB: + CHECK_EXTENSION_I(ARB_texture_compression, pname); + *params = (GLint) ctx->Hint.TextureCompression; + break; + case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_I(ARB_texture_compression, pname); + *params = (GLint) _mesa_get_compressed_formats(ctx, NULL); + break; + case GL_COMPRESSED_TEXTURE_FORMATS_ARB: + CHECK_EXTENSION_I(ARB_texture_compression, pname); + (void) _mesa_get_compressed_formats(ctx, params); + break; + + /* GL_EXT_compiled_vertex_array */ + case GL_ARRAY_ELEMENT_LOCK_FIRST_EXT: + CHECK_EXTENSION_I(EXT_compiled_vertex_array, pname); + *params = ctx->Array.LockFirst; + break; + case GL_ARRAY_ELEMENT_LOCK_COUNT_EXT: + CHECK_EXTENSION_I(EXT_compiled_vertex_array, pname); + *params = ctx->Array.LockCount; + break; + + /* GL_ARB_transpose_matrix */ + case GL_TRANSPOSE_COLOR_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ColorMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLint) tm[i]; + } + } + break; + case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ModelviewMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLint) tm[i]; + } + } + break; + case GL_TRANSPOSE_PROJECTION_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->ProjectionMatrixStack.Top->m); + for (i=0;i<16;i++) { + params[i] = (GLint) tm[i]; + } + } + break; + case GL_TRANSPOSE_TEXTURE_MATRIX_ARB: + { + GLfloat tm[16]; + GLuint i; + _math_transposef(tm, ctx->TextureMatrixStack[texUnit].Top->m); + for (i=0;i<16;i++) { + params[i] = (GLint) tm[i]; + } + } + break; + + /* GL_HP_occlusion_test */ + case GL_OCCLUSION_TEST_HP: + CHECK_EXTENSION_I(HP_occlusion_test, pname); + *params = (GLint) ctx->Depth.OcclusionTest; + break; + case GL_OCCLUSION_TEST_RESULT_HP: + CHECK_EXTENSION_I(HP_occlusion_test, pname); + if (ctx->Depth.OcclusionTest) + *params = (GLint) ctx->OcclusionResult; + else + *params = (GLint) ctx->OcclusionResultSaved; + /* reset flag now */ + ctx->OcclusionResult = GL_FALSE; + ctx->OcclusionResultSaved = GL_FALSE; + break; + + /* GL_SGIS_pixel_texture */ + case GL_PIXEL_TEXTURE_SGIS: + CHECK_EXTENSION_I(SGIS_pixel_texture, pname); + *params = (GLint) ctx->Pixel.PixelTextureEnabled; + break; + + /* GL_SGIX_pixel_texture */ + case GL_PIXEL_TEX_GEN_SGIX: + CHECK_EXTENSION_I(SGIX_pixel_texture, pname); + *params = (GLint) ctx->Pixel.PixelTextureEnabled; + break; + case GL_PIXEL_TEX_GEN_MODE_SGIX: + CHECK_EXTENSION_I(SGIX_pixel_texture, pname); + *params = (GLint) pixel_texgen_mode(ctx); + break; + + /* GL_SGI_color_matrix (also in 1.2 imaging) */ + case GL_COLOR_MATRIX_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + for (i=0;i<16;i++) { + params[i] = (GLint) ctx->ColorMatrixStack.Top->m[i]; + } + break; + case GL_COLOR_MATRIX_STACK_DEPTH_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = ctx->ColorMatrixStack.Depth + 1; + break; + case GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = MAX_COLOR_STACK_DEPTH; + break; + case GL_POST_COLOR_MATRIX_RED_SCALE_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixScale[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixScale[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixScale[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixScale[3]; + break; + case GL_POST_COLOR_MATRIX_RED_BIAS_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixBias[0]; + break; + case GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixBias[1]; + break; + case GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixBias[2]; + break; + case GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI: + CHECK_EXTENSION_I(SGI_color_matrix, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixBias[3]; + break; + + /* GL_EXT_convolution (also in 1.2 imaging) */ + case GL_CONVOLUTION_1D_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.Convolution1DEnabled; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.Convolution2DEnabled; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.Separable2DEnabled; + break; + case GL_POST_CONVOLUTION_RED_SCALE_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionScale[0]; + break; + case GL_POST_CONVOLUTION_GREEN_SCALE_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionScale[1]; + break; + case GL_POST_CONVOLUTION_BLUE_SCALE_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionScale[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_SCALE_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionScale[3]; + break; + case GL_POST_CONVOLUTION_RED_BIAS_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionBias[0]; + break; + case GL_POST_CONVOLUTION_GREEN_BIAS_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionBias[1]; + break; + case GL_POST_CONVOLUTION_BLUE_BIAS_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionBias[2]; + break; + case GL_POST_CONVOLUTION_ALPHA_BIAS_EXT: + CHECK_EXTENSION_I(EXT_convolution, pname); + *params = (GLint) ctx->Pixel.PostConvolutionBias[3]; + break; + + /* GL_EXT_histogram (also in 1.2 imaging) */ + case GL_HISTOGRAM: + CHECK_EXTENSION_I(EXT_histogram, pname); + *params = (GLint) ctx->Pixel.HistogramEnabled; + break; + case GL_MINMAX: + CHECK_EXTENSION_I(EXT_histogram, pname); + *params = (GLint) ctx->Pixel.MinMaxEnabled; + break; + + /* GL_SGI_color_table (also in 1.2 imaging */ + case GL_COLOR_TABLE_SGI: + CHECK_EXTENSION_I(SGI_color_table, pname); + *params = (GLint) ctx->Pixel.ColorTableEnabled; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + CHECK_EXTENSION_I(SGI_color_table, pname); + *params = (GLint) ctx->Pixel.PostConvolutionColorTableEnabled; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + CHECK_EXTENSION_I(SGI_color_table, pname); + *params = (GLint) ctx->Pixel.PostColorMatrixColorTableEnabled; + break; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION_I(SGI_texture_color_table, pname); + *params = (GLint) textureUnit->ColorTableEnabled; + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + *params = (GLint) ctx->Fog.ColorSumEnabled; + break; + case GL_CURRENT_SECONDARY_COLOR_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + FLUSH_CURRENT(ctx, 0); + params[0] = FLOAT_TO_INT( (ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0]) ); + params[1] = FLOAT_TO_INT( (ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1]) ); + params[2] = FLOAT_TO_INT( (ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2]) ); + params[3] = FLOAT_TO_INT( (ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3]) ); + break; + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + *params = (GLint) ctx->Array.SecondaryColor.Enabled; + break; + case GL_SECONDARY_COLOR_ARRAY_TYPE_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + *params = (GLint) ctx->Array.SecondaryColor.Type; + break; + case GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + *params = (GLint) ctx->Array.SecondaryColor.Stride; + break; + case GL_SECONDARY_COLOR_ARRAY_SIZE_EXT: + CHECK_EXTENSION_I(EXT_secondary_color, pname); + *params = (GLint) ctx->Array.SecondaryColor.Size; + break; + + /* GL_EXT_fog_coord */ + case GL_CURRENT_FOG_COORDINATE_EXT: + CHECK_EXTENSION_I(EXT_fog_coord, pname); + FLUSH_CURRENT(ctx, 0); + *params = (GLint) ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + break; + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION_I(EXT_fog_coord, pname); + *params = (GLint) ctx->Array.FogCoord.Enabled; + break; + case GL_FOG_COORDINATE_ARRAY_TYPE_EXT: + CHECK_EXTENSION_I(EXT_fog_coord, pname); + *params = (GLint) ctx->Array.FogCoord.Type; + break; + case GL_FOG_COORDINATE_ARRAY_STRIDE_EXT: + CHECK_EXTENSION_I(EXT_fog_coord, pname); + *params = (GLint) ctx->Array.FogCoord.Stride; + break; + case GL_FOG_COORDINATE_SOURCE_EXT: + CHECK_EXTENSION_I(EXT_fog_coord, pname); + *params = (GLint) ctx->Fog.FogCoordinateSource; + break; + + /* GL_EXT_texture_lod_bias */ + case GL_MAX_TEXTURE_LOD_BIAS_EXT: + *params = (GLint) ctx->Const.MaxTextureLodBias; + break; + + /* GL_EXT_texture_filter_anisotropic */ + case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: + CHECK_EXTENSION_I(EXT_texture_filter_anisotropic, pname); + *params = (GLint) ctx->Const.MaxTextureMaxAnisotropy; + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.Enabled; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.SampleAlphaToCoverage; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.SampleAlphaToOne; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.SampleCoverage; + break; + case GL_SAMPLE_COVERAGE_VALUE_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.SampleCoverageValue; + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = (GLint) ctx->Multisample.SampleCoverageInvert; + break; + case GL_SAMPLE_BUFFERS_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = 0; /* XXX fix someday */ + break; + case GL_SAMPLES_ARB: + CHECK_EXTENSION_I(ARB_multisample, pname); + *params = 0; /* XXX fix someday */ + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION_I(IBM_rasterpos_clip, pname); + *params = (GLint) ctx->Transform.RasterPositionUnclipped; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2_I(NV_point_sprite, ARB_point_sprite, pname); + *params = (GLint) ctx->Point.PointSprite; + break; + case GL_POINT_SPRITE_R_MODE_NV: + CHECK_EXTENSION_I(NV_point_sprite, pname); + *params = (GLint) ctx->Point.SpriteRMode; + break; + case GL_POINT_SPRITE_COORD_ORIGIN: + CHECK_EXTENSION_I(ARB_point_sprite, pname); + *params = (GLint) ctx->Point.SpriteOrigin; + break; + + /* GL_SGIS_generate_mipmap */ + case GL_GENERATE_MIPMAP_HINT_SGIS: + CHECK_EXTENSION_I(SGIS_generate_mipmap, pname); + *params = (GLint) ctx->Hint.GenerateMipmap; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_PROGRAM_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = (GLint) ctx->VertexProgram.Enabled; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = (GLint) ctx->VertexProgram.PointSizeEnabled; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = (GLint) ctx->VertexProgram.TwoSideEnabled; + break; + case GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = ctx->Const.MaxProgramMatrixStackDepth; + break; + case GL_MAX_TRACK_MATRICES_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = ctx->Const.MaxProgramMatrices; + break; + case GL_CURRENT_MATRIX_STACK_DEPTH_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = ctx->CurrentStack->Depth + 1; + break; + case GL_CURRENT_MATRIX_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + for (i = 0; i < 16; i++) + params[i] = (GLint) ctx->CurrentStack->Top->m[i]; + break; + case GL_VERTEX_PROGRAM_BINDING_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + if (ctx->VertexProgram.Current) + *params = (GLint) ctx->VertexProgram.Current->Base.Id; + else + *params = 0; + break; + case GL_PROGRAM_ERROR_POSITION_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + *params = (GLint) ctx->Program.ErrorPos; + break; + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_VERTEX_ATTRIB_ARRAY0_NV; + *params = (GLint) ctx->Array.VertexAttrib[n].Enabled; + } + break; + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP1_VERTEX_ATTRIB0_4_NV; + *params = (GLint) ctx->Eval.Map1Attrib[n]; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION_I(NV_vertex_program, pname); + { + GLuint n = (GLuint) pname - GL_MAP2_VERTEX_ATTRIB0_4_NV; + *params = (GLint) ctx->Eval.Map2Attrib[n]; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION_I(NV_fragment_program, pname); + *params = (GLint) ctx->FragmentProgram.Enabled; + break; + case GL_MAX_TEXTURE_COORDS_NV: + CHECK_EXTENSION_I(NV_fragment_program, pname); + *params = (GLint) ctx->Const.MaxTextureCoordUnits; + break; + case GL_MAX_TEXTURE_IMAGE_UNITS_NV: + CHECK_EXTENSION_I(NV_fragment_program, pname); + *params = (GLint) ctx->Const.MaxTextureImageUnits; + break; + case GL_FRAGMENT_PROGRAM_BINDING_NV: + CHECK_EXTENSION_I(NV_fragment_program, pname); + if (ctx->FragmentProgram.Current) + *params = (GLint) ctx->FragmentProgram.Current->Base.Id; + else + *params = 0; + break; + case GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV: + CHECK_EXTENSION_I(NV_fragment_program, pname); + *params = MAX_NV_FRAGMENT_PROGRAM_PARAMS; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION_I(NV_texture_rectangle, pname); + *params = (GLint) _mesa_IsEnabled(GL_TEXTURE_RECTANGLE_NV); + break; + case GL_TEXTURE_BINDING_RECTANGLE_NV: + CHECK_EXTENSION_I(NV_texture_rectangle, pname); + *params = (GLint) textureUnit->CurrentRect->Name; + break; + case GL_MAX_RECTANGLE_TEXTURE_SIZE_NV: + CHECK_EXTENSION_I(NV_texture_rectangle, pname); + *params = (GLint) ctx->Const.MaxTextureRectSize; + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION_I(EXT_stencil_two_side, pname); + *params = (GLint) ctx->Stencil.TestTwoSide; + break; + case GL_ACTIVE_STENCIL_FACE_EXT: + CHECK_EXTENSION_I(EXT_stencil_two_side, pname); + *params = (GLint) (ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT); + break; + + /* GL_NV_light_max_exponent */ + case GL_MAX_SHININESS_NV: + *params = (GLint) ctx->Const.MaxShininess; + break; + case GL_MAX_SPOT_EXPONENT_NV: + *params = (GLint) ctx->Const.MaxSpotExponent; + break; + +#if FEATURE_ARB_vertex_buffer_object + case GL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.ArrayBufferObj->Name; + break; + case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.Vertex.BufferObj->Name; + break; + case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.Normal.BufferObj->Name; + break; + case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.Color.BufferObj->Name; + break; + case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.Index.BufferObj->Name; + break; + case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.TexCoord[clientUnit].BufferObj->Name; + break; + case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.EdgeFlag.BufferObj->Name; + break; + case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.SecondaryColor.BufferObj->Name; + break; + case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.FogCoord.BufferObj->Name; + break; + /*case GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB: - not supported */ + case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: + CHECK_EXTENSION_I(ARB_vertex_buffer_object, pname); + *params = (GLint) ctx->Array.ElementArrayBufferObj->Name; + break; +#endif +#if FEATURE_EXT_pixel_buffer_object + case GL_PIXEL_PACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_I(EXT_pixel_buffer_object, pname); + *params = (GLint) ctx->Pack.BufferObj->Name; + break; + case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: + CHECK_EXTENSION_I(EXT_pixel_buffer_object, pname); + *params = (GLint) ctx->Unpack.BufferObj->Name; + break; +#endif + +#if FEATURE_ARB_vertex_program + /* GL_NV_vertex_program and GL_ARB_fragment_program define others */ + case GL_MAX_VERTEX_ATTRIBS_ARB: + CHECK_EXTENSION_I(ARB_vertex_program, pname); + *params = (GLint) ctx->Const.MaxVertexProgramAttribs; + break; +#endif + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION_I(ARB_fragment_program, pname); + *params = ctx->FragmentProgram.Enabled; + break; + case GL_TRANSPOSE_CURRENT_MATRIX_ARB: + CHECK_EXTENSION_I(ARB_fragment_program, pname); + params[0] = (GLint) ctx->CurrentStack->Top->m[0]; + params[1] = (GLint) ctx->CurrentStack->Top->m[4]; + params[2] = (GLint) ctx->CurrentStack->Top->m[8]; + params[3] = (GLint) ctx->CurrentStack->Top->m[12]; + params[4] = (GLint) ctx->CurrentStack->Top->m[1]; + params[5] = (GLint) ctx->CurrentStack->Top->m[5]; + params[6] = (GLint) ctx->CurrentStack->Top->m[9]; + params[7] = (GLint) ctx->CurrentStack->Top->m[13]; + params[8] = (GLint) ctx->CurrentStack->Top->m[2]; + params[9] = (GLint) ctx->CurrentStack->Top->m[6]; + params[10] = (GLint) ctx->CurrentStack->Top->m[10]; + params[11] = (GLint) ctx->CurrentStack->Top->m[14]; + params[12] = (GLint) ctx->CurrentStack->Top->m[3]; + params[13] = (GLint) ctx->CurrentStack->Top->m[7]; + params[14] = (GLint) ctx->CurrentStack->Top->m[11]; + params[15] = (GLint) ctx->CurrentStack->Top->m[15]; + break; + /* Remaining ARB_fragment_program queries alias with + * the GL_NV_fragment_program queries. + */ +#endif + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION_I(EXT_depth_bounds_test, pname); + params[0] = ctx->Depth.BoundsTest; + break; + case GL_DEPTH_BOUNDS_EXT: + CHECK_EXTENSION_I(EXT_depth_bounds_test, pname); + params[0] = (GLint) ctx->Depth.BoundsMin; + params[1] = (GLint) ctx->Depth.BoundsMax; + break; + +#if FEATURE_MESA_program_debug + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_I(MESA_program_debug, pname); + *params = (GLint) ctx->FragmentProgram.CallbackEnabled; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION_I(MESA_program_debug, pname); + *params = (GLint) ctx->VertexProgram.CallbackEnabled; + break; + case GL_FRAGMENT_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_I(MESA_program_debug, pname); + *params = (GLint) ctx->FragmentProgram.CurrentPosition; + break; + case GL_VERTEX_PROGRAM_POSITION_MESA: + CHECK_EXTENSION_I(MESA_program_debug, pname); + *params = (GLint) ctx->VertexProgram.CurrentPosition; + break; +#endif + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv(pname=0x%x)", pname); + } +} + + +/** + * Get the address of a selected pointer. + * + * \param pname array or buffer to be returned. + * \param params will hold the pointer speficifed by \p pname. + * + * \sa glGetPointerv(). + * + * Tries to get the specified pointer via dd_function_table::GetPointerv, + * otherwise gets the specified pointer from the current context. + */ +void GLAPIENTRY +_mesa_GetPointerv( GLenum pname, GLvoid **params ) +{ + GET_CURRENT_CONTEXT(ctx); + const GLuint clientUnit = ctx->Array.ActiveTexture; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetPointerv %s\n", _mesa_lookup_enum_by_nr(pname)); + + if (ctx->Driver.GetPointerv + && (*ctx->Driver.GetPointerv)(ctx, pname, params)) + return; + + switch (pname) { + case GL_VERTEX_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.Vertex.Ptr; + break; + case GL_NORMAL_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.Normal.Ptr; + break; + case GL_COLOR_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.Color.Ptr; + break; + case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT: + *params = (GLvoid *) ctx->Array.SecondaryColor.Ptr; + break; + case GL_FOG_COORDINATE_ARRAY_POINTER_EXT: + *params = (GLvoid *) ctx->Array.FogCoord.Ptr; + break; + case GL_INDEX_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.Index.Ptr; + break; + case GL_TEXTURE_COORD_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.TexCoord[clientUnit].Ptr; + break; + case GL_EDGE_FLAG_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.EdgeFlag.Ptr; + break; + case GL_FEEDBACK_BUFFER_POINTER: + *params = ctx->Feedback.Buffer; + break; + case GL_SELECTION_BUFFER_POINTER: + *params = ctx->Select.Buffer; + break; +#if FEATURE_MESA_program_debug + case GL_FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA: + if (!ctx->Extensions.MESA_program_debug) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPointerv"); + return; + } + *params = *(GLvoid **) &ctx->FragmentProgram.Callback; + break; + case GL_FRAGMENT_PROGRAM_CALLBACK_DATA_MESA: + if (!ctx->Extensions.MESA_program_debug) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPointerv"); + return; + } + *params = ctx->FragmentProgram.CallbackData; + break; + case GL_VERTEX_PROGRAM_CALLBACK_FUNC_MESA: + if (!ctx->Extensions.MESA_program_debug) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPointerv"); + return; + } + *params = *(GLvoid **) &ctx->VertexProgram.Callback; + break; + case GL_VERTEX_PROGRAM_CALLBACK_DATA_MESA: + if (!ctx->Extensions.MESA_program_debug) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPointerv"); + return; + } + *params = ctx->VertexProgram.CallbackData; + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetPointerv" ); + return; + } +} + + +/** + * Get a string describing the current GL connection. + * + * \param name name symbolic constant. + * + * \sa glGetString(). + * + * Tries to get the string from dd_function_table::GetString, otherwise returns + * the hardcoded strings. + */ +const GLubyte * GLAPIENTRY +_mesa_GetString( GLenum name ) +{ + GET_CURRENT_CONTEXT(ctx); + static const char *vendor = "Brian Paul"; + static const char *renderer = "Mesa"; + static const char *version_1_2 = "1.2 Mesa " MESA_VERSION_STRING; + static const char *version_1_3 = "1.3 Mesa " MESA_VERSION_STRING; + static const char *version_1_4 = "1.4 Mesa " MESA_VERSION_STRING; + static const char *version_1_5 = "1.5 Mesa " MESA_VERSION_STRING; + + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); + + /* this is a required driver function */ + assert(ctx->Driver.GetString); + { + const GLubyte *str = (*ctx->Driver.GetString)(ctx, name); + if (str) + return str; + + switch (name) { + case GL_VENDOR: + return (const GLubyte *) vendor; + case GL_RENDERER: + return (const GLubyte *) renderer; + case GL_VERSION: + if (ctx->Extensions.ARB_multisample && + ctx->Extensions.ARB_multitexture && + ctx->Extensions.ARB_texture_border_clamp && + ctx->Extensions.ARB_texture_compression && + ctx->Extensions.ARB_texture_cube_map && + ctx->Extensions.EXT_texture_env_add && + ctx->Extensions.ARB_texture_env_combine && + ctx->Extensions.ARB_texture_env_dot3) { + if (ctx->Extensions.ARB_depth_texture && + ctx->Extensions.ARB_shadow && + ctx->Extensions.ARB_texture_env_crossbar && + ctx->Extensions.ARB_texture_mirrored_repeat && + ctx->Extensions.ARB_window_pos && + ctx->Extensions.EXT_blend_color && + ctx->Extensions.EXT_blend_func_separate && + ctx->Extensions.EXT_blend_logic_op && + ctx->Extensions.EXT_blend_minmax && + ctx->Extensions.EXT_blend_subtract && + ctx->Extensions.EXT_fog_coord && + ctx->Extensions.EXT_multi_draw_arrays && + ctx->Extensions.EXT_point_parameters && /*aka ARB*/ + ctx->Extensions.EXT_secondary_color && + ctx->Extensions.EXT_stencil_wrap && + ctx->Extensions.EXT_texture_lod_bias && + ctx->Extensions.SGIS_generate_mipmap) { + if (ctx->Extensions.ARB_occlusion_query && + ctx->Extensions.ARB_vertex_buffer_object && + ctx->Extensions.EXT_shadow_funcs) { + return (const GLubyte *) version_1_5; + } + else { + return (const GLubyte *) version_1_4; + } + } + else { + return (const GLubyte *) version_1_3; + } + } + else { + return (const GLubyte *) version_1_2; + } + case GL_EXTENSIONS: + if (!ctx->Extensions.String) + ctx->Extensions.String = _mesa_make_extension_string(ctx); + return (const GLubyte *) ctx->Extensions.String; +#if FEATURE_NV_fragment_program + case GL_PROGRAM_ERROR_STRING_NV: + if (ctx->Extensions.NV_fragment_program) { + return (const GLubyte *) ctx->Program.ErrorString; + } + /* FALL-THROUGH */ +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" ); + return (const GLubyte *) 0; + } + } +} + + +/** + * Execute a glGetError() command. + * + * \return error number. + * + * Returns __GLcontextRec::ErrorValue. + */ +GLenum GLAPIENTRY +_mesa_GetError( void ) +{ + GET_CURRENT_CONTEXT(ctx); + GLenum e = ctx->ErrorValue; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetError <-- %s\n", _mesa_lookup_enum_by_nr(e)); + + ctx->ErrorValue = (GLenum) GL_NO_ERROR; + return e; +} diff --git a/src/mesa/main/get.h b/src/mesa/main/get.h new file mode 100644 index 0000000..9b47b23 --- /dev/null +++ b/src/mesa/main/get.h @@ -0,0 +1,59 @@ +/** + * \file get.h + * State query functions. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef GET_H +#define GET_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_GetBooleanv( GLenum pname, GLboolean *params ); + +extern void GLAPIENTRY +_mesa_GetDoublev( GLenum pname, GLdouble *params ); + +extern void GLAPIENTRY +_mesa_GetFloatv( GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetIntegerv( GLenum pname, GLint *params ); + +extern void GLAPIENTRY +_mesa_GetPointerv( GLenum pname, GLvoid **params ); + +extern const GLubyte * GLAPIENTRY +_mesa_GetString( GLenum name ); + +extern GLenum GLAPIENTRY +_mesa_GetError( void ); + +#endif diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h new file mode 100644 index 0000000..a2acc0b --- /dev/null +++ b/src/mesa/main/glheader.h @@ -0,0 +1,348 @@ +/** + * \file glheader.h + * Top-most include file. + * + * This is the top-most include file of the Mesa sources. + * It includes gl.h and all system headers which are needed. + * Other Mesa source files should \e not directly include any system + * headers. This allows Mesa to be integrated into XFree86 and + * allows system-dependent hacks/workarounds to be collected in one place. + * + * \note Actually, a lot of system-dependent stuff is now in imports.[ch]. + * + * If you touch this file, everything gets recompiled! + * + * This file should be included before any other header in the .c files. + * + * Put compiler/OS/assembly pragmas and macros here to avoid + * cluttering other source files. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef GLHEADER_H +#define GLHEADER_H + + +#if defined(XFree86LOADER) && defined(IN_MODULE) +#include "xf86_ansic.h" +#else +#include <assert.h> +#include <ctype.h> +/* If we can use Compaq's Fast Math Library on Alpha */ +#if defined(__alpha__) && defined(CCPML) +#include <cpml.h> +#else +#include <math.h> +#endif +#include <limits.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#if defined(__linux__) && defined(__i386__) +#include <fpu_control.h> +#endif +#endif +#include <float.h> +#include <stdarg.h> + + +#ifdef HAVE_CONFIG_H +#include "conf.h" +#endif + + +#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP) +# define __WIN32__ +# define finite _finite +#endif + +#if defined(__WATCOMC__) +# define finite _finite +#endif + +#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP) +# ifdef _MSC_VER +# pragma warning( disable : 4068 ) /* unknown pragma */ +# pragma warning( disable : 4710 ) /* function 'foo' not inlined */ +# pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */ +# pragma warning( disable : 4127 ) /* conditional expression is constant */ +# if defined(MESA_MINWARN) +# pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */ +# pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */ +# pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */ +# pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */ +# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */ +# endif +# endif +# if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */ +# define GLAPI __declspec(dllexport) +# define WGLAPI __declspec(dllexport) +# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */ +# define GLAPI __declspec(dllimport) +# define WGLAPI __declspec(dllimport) +# else /* for use with static link lib build of Win32 edition only */ +# define GLAPI extern +# define WGLAPI __declspec(dllimport) +# endif /* _STATIC_MESA support */ +# define GLAPIENTRY __stdcall +# define GLAPIENTRYP GLAPIENTRY * +# define GLCALLBACK __stdcall +# define GLCALLBACKP GLCALLBACK * +# if defined(__CYGWIN__) +# define GLCALLBACKPCAST * +# else +# define GLCALLBACKPCAST __stdcall * +# endif +# define GLWINAPI __stdcall +# define GLWINAPIV __cdecl +#elif !defined(BUILD_FOR_SNAP) +/* non-Windows compilation */ +# define GLAPI extern +# define GLAPIENTRY +# ifndef GLAPIENTRYP +# define GLAPIENTRYP * +# endif +# define GLCALLBACK +# define GLCALLBACKP * +# define GLCALLBACKPCAST * +# define GLWINAPI +# define GLWINAPIV +#endif /* WIN32 / CYGWIN bracket */ + +/* compatibility guard so we don't need to change client code */ + +#if defined(_WIN32) && !defined(_WINDEF_) && !defined(_WINDEF_H) && !defined(_GNU_H_WINDOWS32_BASE) && !defined(OPENSTEP) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP) +#if 0 +# define CALLBACK GLCALLBACK +typedef void *HGLRC; +typedef void *HDC; +#endif +typedef int (GLAPIENTRY *PROC)(); +typedef unsigned long COLORREF; +#endif + + +/* Make sure we include glext.h from gl.h */ +#define GL_GLEXT_PROTOTYPES + + +#if defined(_WIN32) && !defined(_WINGDI_) && !defined(_WINGDI_H) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP) && !defined(BUILD_FOR_SNAP) +# define WGL_FONT_LINES 0 +# define WGL_FONT_POLYGONS 1 +#ifndef _GNU_H_WINDOWS32_FUNCTIONS +# ifdef UNICODE +# define wglUseFontBitmaps wglUseFontBitmapsW +# define wglUseFontOutlines wglUseFontOutlinesW +# else +# define wglUseFontBitmaps wglUseFontBitmapsA +# define wglUseFontOutlines wglUseFontOutlinesA +# endif /* !UNICODE */ +#endif /* _GNU_H_WINDOWS32_FUNCTIONS */ +typedef struct tagLAYERPLANEDESCRIPTOR LAYERPLANEDESCRIPTOR, *PLAYERPLANEDESCRIPTOR, *LPLAYERPLANEDESCRIPTOR; +typedef struct _GLYPHMETRICSFLOAT GLYPHMETRICSFLOAT, *PGLYPHMETRICSFLOAT, *LPGLYPHMETRICSFLOAT; +typedef struct tagPIXELFORMATDESCRIPTOR PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR; +#if !defined(GLX_USE_MESA) +#include <GL/mesa_wgl.h> +#endif +#endif + + +/* + * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN. + * Do not use them unless absolutely necessary! + * Try to use a runtime test instead. + * For now, only used by some DRI hardware drivers for color/texel packing. + */ +#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN +#if defined(__linux__) +#include <byteswap.h> +#define CPU_TO_LE32( x ) bswap_32( x ) +#else /*__linux__*/ +#define CPU_TO_LE32( x ) ( x ) /* fix me for non-Linux big-endian! */ +#endif /*__linux__*/ +#define MESA_BIG_ENDIAN 1 +#else +#define CPU_TO_LE32( x ) ( x ) +#define MESA_LITTLE_ENDIAN 1 +#endif +#define LE32_TO_CPU( x ) CPU_TO_LE32( x ) + + +/* This is a macro on IRIX */ +#ifdef _P +#undef _P +#endif + + + +#include "GL/gl.h" +#include "GL/glext.h" + + +#ifndef CAPI +#if defined(WIN32) && !defined(BUILD_FOR_SNAP) +#define CAPI _cdecl +#else +#define CAPI +#endif +#endif +#include <GL/internal/glcore.h> + + +/* XXX temporary hack - remove when glext.h is updated */ +#ifndef GL_ARB_half_float_pixel +#define GL_ARB_half_float_pixel 1 +#define GL_HALF_FLOAT_ARB 0x140B +typedef GLushort GLhalfARB; +#endif + +/* XXX temporary hack - remove when glext.h is updated */ +#ifndef GL_ARB_texture_float +#define GL_ARB_texture_float 1 +#define GL_TEXTURE_RED_TYPE_ARB 0x9000 +#define GL_TEXTURE_GREEN_TYPE_ARB 0x9001 +#define GL_TEXTURE_BLUE_TYPE_ARB 0x9002 +#define GL_TEXTURE_ALPHA_TYPE_ARB 0x9003 +#define GL_TEXTURE_LUMINANCE_TYPE_ARB 0x9004 +#define GL_TEXTURE_INTENSITY_TYPE_ARB 0x9005 +#define GL_TEXTURE_DEPTH_TYPE_ARB 0x9006 +#define GL_UNSIGNED_NORMALIZED_ARB 0x9007 +#define GL_RGBA32F_ARB 0x8814 +#define GL_RGB32F_ARB 0x8815 +#define GL_ALPHA32F_ARB 0x8816 +#define GL_INTENSITY32F_ARB 0x8817 +#define GL_LUMINANCE32F_ARB 0x8818 +#define GL_LUMINANCE_ALPHA32F_ARB 0x8819 +#define GL_RGBA16F_ARB 0x881A +#define GL_RGB16F_ARB 0x881B +#define GL_ALPHA16F_ARB 0x881C +#define GL_INTENSITY16F_ARB 0x881D +#define GL_LUMINANCE16F_ARB 0x881E +#define GL_LUMINANCE_ALPHA16F_ARB 0x881F +#endif + +/* XXX temporary hack - remove when glext.h is updated */ +#ifndef GL_POINT_SPRITE_COORD_ORIGIN +#define GL_POINT_SPRITE_COORD_ORIGIN 0x10000 +#define GL_LOWER_LEFT 0x10001 +#define GL_UPPER_LEFT 0x10002 +#endif + + + +/* Disable unreachable code warnings for Watcom C++ */ +#ifdef __WATCOMC__ +#pragma disable_message(201) +#endif + + +/* Turn off macro checking systems used by other libraries */ +#ifdef CHECK +#undef CHECK +#endif + + +/* Create a macro so that asm functions can be linked into compilers other + * than GNU C + */ +#ifndef _ASMAPI +#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/ +#define _ASMAPI __cdecl +#else +#define _ASMAPI +#endif +#ifdef PTR_DECL_IN_FRONT +#define _ASMAPIP * _ASMAPI +#else +#define _ASMAPIP _ASMAPI * +#endif +#endif + +#ifdef USE_X86_ASM +#define _NORMAPI _ASMAPI +#define _NORMAPIP _ASMAPIP +#else +#define _NORMAPI +#define _NORMAPIP * +#endif + + +/* Function inlining */ +#if defined(__GNUC__) +# define INLINE __inline__ +#elif defined(__MSC__) +# define INLINE __inline +#elif defined(_MSC_VER) +# define INLINE __inline +#elif defined(__ICL) +# define INLINE __inline +#elif defined(__INTEL_COMPILER) +# define INLINE inline +#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100) +# define INLINE __inline +#else +# define INLINE +#endif + + +/* Some compilers don't like some of Mesa's const usage */ +#ifdef NO_CONST +# define CONST +#else +# define CONST const +#endif + + +#if defined(BUILD_FOR_SNAP) && defined(CHECKED) +# define ASSERT(X) _CHECK(X) +#elif defined(DEBUG) +# define ASSERT(X) assert(X) +#else +# define ASSERT(X) +#endif + + +#if !defined __GNUC__ || __GNUC__ < 3 +# define __builtin_expect(x, y) x +#endif + + + +/** + * Sometimes we treat GLfloats as GLints. On x86 systems, moving a float + * as a int (thereby using integer registers instead of FP registers) is + * a performance win. Typically, this can be done with ordinary casts. + * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0) + * these casts generate warnings. + * The following union typedef is used to solve that. + */ +typedef union { GLfloat f; GLint i; } fi_type; + + +#include "config.h" + +#endif /* GLHEADER_H */ diff --git a/src/mesa/main/hash.c b/src/mesa/main/hash.c new file mode 100644 index 0000000..e8ac0dc --- /dev/null +++ b/src/mesa/main/hash.c @@ -0,0 +1,363 @@ +/** + * \file hash.c + * Generic hash table. + * + * Used for display lists and texture objects. The hash functions are + * thread-safe. + * + * \note key=0 is illegal. + * + * \author Brian Paul + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "glthread.h" +#include "hash.h" +#include "context.h" + + +#define TABLE_SIZE 1023 /**< Size of lookup table/array */ + +#define HASH_FUNC(K) ((K) % TABLE_SIZE) + +/** + * An entry in the hash table. + * + * This struct is private to this file. + */ +struct HashEntry { + GLuint Key; /**< the entry's key */ + void *Data; /**< the entry's data */ + struct HashEntry *Next; /**< pointer to next entry */ +}; + +/** + * The hash table data structure. + * + * This is an opaque types (it's not defined in hash.h file). + */ +struct _mesa_HashTable { + struct HashEntry *Table[TABLE_SIZE]; /**< the lookup table */ + GLuint MaxKey; /**< highest key inserted so far */ + _glthread_Mutex Mutex; /**< mutual exclusion lock */ +}; + + + +/** + * Create a new hash table. + * + * \return pointer to a new, empty hash table. + */ +struct _mesa_HashTable *_mesa_NewHashTable(void) +{ + struct _mesa_HashTable *table = CALLOC_STRUCT(_mesa_HashTable); + if (table) { + _glthread_INIT_MUTEX(table->Mutex); + } + return table; +} + + + +/** + * Delete a hash table. + * + * \param table the hash table to delete. + * + * Frees each entry on the hash table and then the hash table structure itself. + */ +void _mesa_DeleteHashTable(struct _mesa_HashTable *table) +{ + GLuint i; + assert(table); + for (i=0;i<TABLE_SIZE;i++) { + struct HashEntry *entry = table->Table[i]; + while (entry) { + struct HashEntry *next = entry->Next; + FREE(entry); + entry = next; + } + } + _glthread_DESTROY_MUTEX(table->Mutex); + FREE(table); +} + + + +/** + * Lookup an entry in the hash table. + * + * \param table the hash table. + * \param key the key. + * + * \return pointer to user's data or NULL if key not in table + * + * Walks through the hash entry until finding the matching key. + */ +void *_mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key) +{ + GLuint pos; + const struct HashEntry *entry; + + assert(table); + assert(key); + + pos = HASH_FUNC(key); + entry = table->Table[pos]; + while (entry) { + if (entry->Key == key) { + return entry->Data; + } + entry = entry->Next; + } + return NULL; +} + + + +/** + * Insert into the hash table. + * + * If an entry with this key already exists we'll replace the existing entry. + * + * \param table the hash table. + * \param key the key (not zero). + * \param data pointer to user data. + * + * While holding the hash table's lock, walk through the hash entry list replacing the data if a + * matching key is found, or inserts a new table entry otherwise. + */ +void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data) +{ + /* search for existing entry with this key */ + GLuint pos; + struct HashEntry *entry; + + assert(table); + assert(key); + + _glthread_LOCK_MUTEX(table->Mutex); + + if (key > table->MaxKey) + table->MaxKey = key; + + pos = HASH_FUNC(key); + entry = table->Table[pos]; + while (entry) { + if (entry->Key == key) { + /* replace entry's data */ + entry->Data = data; + _glthread_UNLOCK_MUTEX(table->Mutex); + return; + } + entry = entry->Next; + } + + /* alloc and insert new table entry */ + entry = MALLOC_STRUCT(HashEntry); + entry->Key = key; + entry->Data = data; + entry->Next = table->Table[pos]; + table->Table[pos] = entry; + + _glthread_UNLOCK_MUTEX(table->Mutex); +} + + + +/** + * Remove an entry from the hash table. + * + * \param table the hash table. + * \param key key of entry to remove. + * + * While holding the hash table's lock, searches the entry with the matching + * key and unlinks it. + */ +void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key) +{ + GLuint pos; + struct HashEntry *entry, *prev; + + assert(table); + assert(key); + + _glthread_LOCK_MUTEX(table->Mutex); + + pos = HASH_FUNC(key); + prev = NULL; + entry = table->Table[pos]; + while (entry) { + if (entry->Key == key) { + /* found it! */ + if (prev) { + prev->Next = entry->Next; + } + else { + table->Table[pos] = entry->Next; + } + FREE(entry); + _glthread_UNLOCK_MUTEX(table->Mutex); + return; + } + prev = entry; + entry = entry->Next; + } + + _glthread_UNLOCK_MUTEX(table->Mutex); +} + + + +/** + * Get the key of the "first" entry in the hash table. + * + * This is used in the course of deleting all display lists when + * a context is destroyed. + * + * \param table the hash table + * + * \return key for the "first" entry in the hash table. + * + * While holding the lock, walks through all table positions until finding + * the first entry of the first non-empty one. + */ +GLuint _mesa_HashFirstEntry(struct _mesa_HashTable *table) +{ + GLuint pos; + assert(table); + _glthread_LOCK_MUTEX(table->Mutex); + for (pos=0; pos < TABLE_SIZE; pos++) { + if (table->Table[pos]) { + _glthread_UNLOCK_MUTEX(table->Mutex); + return table->Table[pos]->Key; + } + } + _glthread_UNLOCK_MUTEX(table->Mutex); + return 0; +} + + +#ifdef HASH_TEST_HARNESS +/** + * Dump contents of hash table for debugging. + * + * \param table the hash table. + */ +void _mesa_HashPrint(const struct _mesa_HashTable *table) +{ + GLuint i; + assert(table); + for (i=0;i<TABLE_SIZE;i++) { + const struct HashEntry *entry = table->Table[i]; + while (entry) { + _mesa_debug(NULL, "%u %p\n", entry->Key, entry->Data); + entry = entry->Next; + } + } +} +#endif + + + +/** + * Find a block of adjacent unused hash keys. + * + * \param table the hash table. + * \param numKeys number of keys needed. + * + * \return Starting key of free block or 0 if failure. + * + * If there are enough free keys between the maximum key existing in the table + * (_mesa_HashTable::MaxKey) and the maximum key possible, then simply return + * the adjacent key. Otherwise do a full search for a free key block in the + * allowable key range. + */ +GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys) +{ + GLuint maxKey = ~((GLuint) 0); + _glthread_LOCK_MUTEX(table->Mutex); + if (maxKey - numKeys > table->MaxKey) { + /* the quick solution */ + _glthread_UNLOCK_MUTEX(table->Mutex); + return table->MaxKey + 1; + } + else { + /* the slow solution */ + GLuint freeCount = 0; + GLuint freeStart = 1; + GLuint key; + for (key=1; key!=maxKey; key++) { + if (_mesa_HashLookup(table, key)) { + /* darn, this key is already in use */ + freeCount = 0; + freeStart = key+1; + } + else { + /* this key not in use, check if we've found enough */ + freeCount++; + if (freeCount == numKeys) { + _glthread_UNLOCK_MUTEX(table->Mutex); + return freeStart; + } + } + } + /* cannot allocate a block of numKeys consecutive keys */ + _glthread_UNLOCK_MUTEX(table->Mutex); + return 0; + } +} + + + +#ifdef HASH_TEST_HARNESS +int main(int argc, char *argv[]) +{ + int a, b, c; + struct HashTable *t; + + _mesa_printf("&a = %p\n", &a); + _mesa_printf("&b = %p\n", &b); + + t = _mesa_NewHashTable(); + _mesa_HashInsert(t, 501, &a); + _mesa_HashInsert(t, 10, &c); + _mesa_HashInsert(t, 0xfffffff8, &b); + _mesa_HashPrint(t); + + _mesa_printf("Find 501: %p\n", _mesa_HashLookup(t,501)); + _mesa_printf("Find 1313: %p\n", _mesa_HashLookup(t,1313)); + _mesa_printf("Find block of 100: %d\n", _mesa_HashFindFreeKeyBlock(t, 100)); + + _mesa_DeleteHashTable(t); + + return 0; +} +#endif diff --git a/src/mesa/main/hash.h b/src/mesa/main/hash.h new file mode 100644 index 0000000..359ba51 --- /dev/null +++ b/src/mesa/main/hash.h @@ -0,0 +1,62 @@ +/** + * \file hash.h + * Generic hash table. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef HASH_H +#define HASH_H + + +#include "glheader.h" + + +/** + * Opaque hash table type. + */ +struct HashTable; + + + +extern struct _mesa_HashTable *_mesa_NewHashTable(void); + +extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table); + +extern void *_mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key); + +extern void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data); + +extern void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key); + +extern GLuint _mesa_HashFirstEntry(struct _mesa_HashTable *table); + +extern void _mesa_HashPrint(const struct _mesa_HashTable *table); + +extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys); + + +#endif diff --git a/src/mesa/main/hint.c b/src/mesa/main/hint.c new file mode 100644 index 0000000..23ab1e6 --- /dev/null +++ b/src/mesa/main/hint.c @@ -0,0 +1,140 @@ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "enums.h" +#include "context.h" +#include "hint.h" +#include "imports.h" + + + +void GLAPIENTRY +_mesa_Hint( GLenum target, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glHint %s %d\n", + _mesa_lookup_enum_by_nr(target), mode); + + if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) { + _mesa_error(ctx, GL_INVALID_ENUM, "glHint(mode)"); + return; + } + + switch (target) { + case GL_FOG_HINT: + if (ctx->Hint.Fog == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.Fog = mode; + break; + case GL_LINE_SMOOTH_HINT: + if (ctx->Hint.LineSmooth == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.LineSmooth = mode; + break; + case GL_PERSPECTIVE_CORRECTION_HINT: + if (ctx->Hint.PerspectiveCorrection == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.PerspectiveCorrection = mode; + break; + case GL_POINT_SMOOTH_HINT: + if (ctx->Hint.PointSmooth == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.PointSmooth = mode; + break; + case GL_POLYGON_SMOOTH_HINT: + if (ctx->Hint.PolygonSmooth == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.PolygonSmooth = mode; + break; + + /* GL_EXT_clip_volume_hint */ + case GL_CLIP_VOLUME_CLIPPING_HINT_EXT: + if (ctx->Hint.ClipVolumeClipping == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.ClipVolumeClipping = mode; + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSION_HINT_ARB: + if (!ctx->Extensions.ARB_texture_compression) { + _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)"); + return; + } + if (ctx->Hint.TextureCompression == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.TextureCompression = mode; + break; + + /* GL_SGIS_generate_mipmap */ + case GL_GENERATE_MIPMAP_HINT_SGIS: + if (!ctx->Extensions.SGIS_generate_mipmap) { + _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)"); + return; + } + if (ctx->Hint.GenerateMipmap == mode) + return; + FLUSH_VERTICES(ctx, _NEW_HINT); + ctx->Hint.GenerateMipmap = mode; + break; + + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)"); + return; + } + + if (ctx->Driver.Hint) { + (*ctx->Driver.Hint)( ctx, target, mode ); + } +} + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +void _mesa_init_hint( GLcontext * ctx ) +{ + /* Hint group */ + ctx->Hint.PerspectiveCorrection = GL_DONT_CARE; + ctx->Hint.PointSmooth = GL_DONT_CARE; + ctx->Hint.LineSmooth = GL_DONT_CARE; + ctx->Hint.PolygonSmooth = GL_DONT_CARE; + ctx->Hint.Fog = GL_DONT_CARE; + ctx->Hint.ClipVolumeClipping = GL_DONT_CARE; + ctx->Hint.TextureCompression = GL_DONT_CARE; + ctx->Hint.GenerateMipmap = GL_DONT_CARE; +} diff --git a/src/mesa/main/hint.h b/src/mesa/main/hint.h new file mode 100644 index 0000000..bfc3887 --- /dev/null +++ b/src/mesa/main/hint.h @@ -0,0 +1,57 @@ +/** + * \file hint.h + * Hints operations. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef HINT_H +#define HINT_H + + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_Hint( GLenum target, GLenum mode ); + +extern void +_mesa_init_hint( GLcontext * ctx ); + +#else + +/** No-op */ +#define _mesa_init_hint( c ) ((void) 0) + +#endif + +#endif diff --git a/src/mesa/main/histogram.c b/src/mesa/main/histogram.c new file mode 100644 index 0000000..9cfb378 --- /dev/null +++ b/src/mesa/main/histogram.c @@ -0,0 +1,1134 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "image.h" +#include "histogram.h" + + +/********************************************************************** + * Internal functions + */ + + +/* + * Update the min/max values from an array of fragment colors. + */ +void +_mesa_update_minmax(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]) +{ + GLuint i; + for (i = 0; i < n; i++) { + /* update mins */ + if (rgba[i][RCOMP] < ctx->MinMax.Min[RCOMP]) + ctx->MinMax.Min[RCOMP] = rgba[i][RCOMP]; + if (rgba[i][GCOMP] < ctx->MinMax.Min[GCOMP]) + ctx->MinMax.Min[GCOMP] = rgba[i][GCOMP]; + if (rgba[i][BCOMP] < ctx->MinMax.Min[BCOMP]) + ctx->MinMax.Min[BCOMP] = rgba[i][BCOMP]; + if (rgba[i][ACOMP] < ctx->MinMax.Min[ACOMP]) + ctx->MinMax.Min[ACOMP] = rgba[i][ACOMP]; + + /* update maxs */ + if (rgba[i][RCOMP] > ctx->MinMax.Max[RCOMP]) + ctx->MinMax.Max[RCOMP] = rgba[i][RCOMP]; + if (rgba[i][GCOMP] > ctx->MinMax.Max[GCOMP]) + ctx->MinMax.Max[GCOMP] = rgba[i][GCOMP]; + if (rgba[i][BCOMP] > ctx->MinMax.Max[BCOMP]) + ctx->MinMax.Max[BCOMP] = rgba[i][BCOMP]; + if (rgba[i][ACOMP] > ctx->MinMax.Max[ACOMP]) + ctx->MinMax.Max[ACOMP] = rgba[i][ACOMP]; + } +} + + +/* + * Update the histogram values from an array of fragment colors. + */ +void +_mesa_update_histogram(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]) +{ + const GLint max = ctx->Histogram.Width - 1; + GLfloat w = (GLfloat) max; + GLuint i; + + if (ctx->Histogram.Width == 0) + return; + + for (i = 0; i < n; i++) { + GLint ri = IROUND(rgba[i][RCOMP] * w); + GLint gi = IROUND(rgba[i][GCOMP] * w); + GLint bi = IROUND(rgba[i][BCOMP] * w); + GLint ai = IROUND(rgba[i][ACOMP] * w); + ri = CLAMP(ri, 0, max); + gi = CLAMP(gi, 0, max); + bi = CLAMP(bi, 0, max); + ai = CLAMP(ai, 0, max); + ctx->Histogram.Count[ri][RCOMP]++; + ctx->Histogram.Count[gi][GCOMP]++; + ctx->Histogram.Count[bi][BCOMP]++; + ctx->Histogram.Count[ai][ACOMP]++; + } +} + + +/* + * XXX the packed pixel formats haven't been tested. + */ +static void +pack_histogram( GLcontext *ctx, + GLuint n, CONST GLuint rgba[][4], + GLenum format, GLenum type, GLvoid *destination, + const struct gl_pixelstore_attrib *packing ) +{ + const GLint comps = _mesa_components_in_format(format); + GLuint luminance[MAX_WIDTH]; + + if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { + GLuint i; + for (i = 0; i < n; i++) { + luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + } + } + +#define PACK_MACRO(TYPE) \ + { \ + GLuint i; \ + switch (format) { \ + case GL_RED: \ + for (i=0;i<n;i++) \ + dst[i] = (TYPE) rgba[i][RCOMP]; \ + break; \ + case GL_GREEN: \ + for (i=0;i<n;i++) \ + dst[i] = (TYPE) rgba[i][GCOMP]; \ + break; \ + case GL_BLUE: \ + for (i=0;i<n;i++) \ + dst[i] = (TYPE) rgba[i][BCOMP]; \ + break; \ + case GL_ALPHA: \ + for (i=0;i<n;i++) \ + dst[i] = (TYPE) rgba[i][ACOMP]; \ + break; \ + case GL_LUMINANCE: \ + for (i=0;i<n;i++) \ + dst[i] = (TYPE) luminance[i]; \ + break; \ + case GL_LUMINANCE_ALPHA: \ + for (i=0;i<n;i++) { \ + dst[i*2+0] = (TYPE) luminance[i]; \ + dst[i*2+1] = (TYPE) rgba[i][ACOMP]; \ + } \ + break; \ + case GL_RGB: \ + for (i=0;i<n;i++) { \ + dst[i*3+0] = (TYPE) rgba[i][RCOMP]; \ + dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ + dst[i*3+2] = (TYPE) rgba[i][BCOMP]; \ + } \ + break; \ + case GL_RGBA: \ + for (i=0;i<n;i++) { \ + dst[i*4+0] = (TYPE) rgba[i][RCOMP]; \ + dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ + dst[i*4+2] = (TYPE) rgba[i][BCOMP]; \ + dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ + } \ + break; \ + case GL_BGR: \ + for (i=0;i<n;i++) { \ + dst[i*3+0] = (TYPE) rgba[i][BCOMP]; \ + dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ + dst[i*3+2] = (TYPE) rgba[i][RCOMP]; \ + } \ + break; \ + case GL_BGRA: \ + for (i=0;i<n;i++) { \ + dst[i*4+0] = (TYPE) rgba[i][BCOMP]; \ + dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ + dst[i*4+2] = (TYPE) rgba[i][RCOMP]; \ + dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ + } \ + break; \ + case GL_ABGR_EXT: \ + for (i=0;i<n;i++) { \ + dst[i*4+0] = (TYPE) rgba[i][ACOMP]; \ + dst[i*4+1] = (TYPE) rgba[i][BCOMP]; \ + dst[i*4+2] = (TYPE) rgba[i][GCOMP]; \ + dst[i*4+3] = (TYPE) rgba[i][RCOMP]; \ + } \ + break; \ + default: \ + _mesa_problem(ctx, "bad format in pack_histogram"); \ + } \ + } + + switch (type) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) destination; + PACK_MACRO(GLubyte); + } + break; + case GL_BYTE: + { + GLbyte *dst = (GLbyte *) destination; + PACK_MACRO(GLbyte); + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) destination; + PACK_MACRO(GLushort); + if (packing->SwapBytes) { + _mesa_swap2(dst, n * comps); + } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) destination; + PACK_MACRO(GLshort); + if (packing->SwapBytes) { + _mesa_swap2((GLushort *) dst, n * comps); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) destination; + PACK_MACRO(GLuint); + if (packing->SwapBytes) { + _mesa_swap4(dst, n * comps); + } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) destination; + PACK_MACRO(GLint); + if (packing->SwapBytes) { + _mesa_swap4((GLuint *) dst, n * comps); + } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) destination; + PACK_MACRO(GLfloat); + if (packing->SwapBytes) { + _mesa_swap4((GLuint *) dst, n * comps); + } + } + break; + case GL_HALF_FLOAT_ARB: + { + /* temporarily store as GLuints */ + GLuint temp[4*HISTOGRAM_TABLE_SIZE]; + GLhalfARB *dst = (GLhalfARB *) destination; + GLuint i; + /* get GLuint values */ + PACK_MACRO(GLuint); + /* convert to GLhalf */ + for (i = 0; i < n * comps; i++) { + dst[i] = _mesa_float_to_half((GLfloat) temp[i]); + } + if (packing->SwapBytes) { + _mesa_swap2((GLushort *) dst, n * comps); + } + } + break; + case GL_UNSIGNED_BYTE_3_3_2: + if (format == GL_RGB) { + GLubyte *dst = (GLubyte *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x7) << 5) + | ((rgba[i][GCOMP] & 0x7) << 2) + | ((rgba[i][BCOMP] & 0x3) ); + } + } + else { + GLubyte *dst = (GLubyte *) destination; + GLuint i; + ASSERT(format == GL_BGR); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x7) << 5) + | ((rgba[i][GCOMP] & 0x7) << 2) + | ((rgba[i][RCOMP] & 0x3) ); + } + } + break; + case GL_UNSIGNED_BYTE_2_3_3_REV: + if (format == GL_RGB) { + GLubyte *dst = (GLubyte *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x3) << 6) + | ((rgba[i][GCOMP] & 0x7) << 3) + | ((rgba[i][BCOMP] & 0x7) ); + } + } + else { + GLubyte *dst = (GLubyte *) destination; + GLuint i; + ASSERT(format == GL_BGR); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x3) << 6) + | ((rgba[i][GCOMP] & 0x7) << 3) + | ((rgba[i][RCOMP] & 0x7) ); + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x3f) << 5) + | ((rgba[i][BCOMP] & 0x1f) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_BGR); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x3f) << 5) + | ((rgba[i][RCOMP] & 0x1f) ); + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x3f) << 5) + | ((rgba[i][RCOMP] & 0x1f) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_BGR); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x3f) << 5) + | ((rgba[i][BCOMP] & 0x1f) ); + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4: + if (format == GL_RGBA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) + | ((rgba[i][GCOMP] & 0xf) << 8) + | ((rgba[i][BCOMP] & 0xf) << 4) + | ((rgba[i][ACOMP] & 0xf) ); + } + } + else if (format == GL_BGRA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0xf) << 12) + | ((rgba[i][GCOMP] & 0xf) << 8) + | ((rgba[i][RCOMP] & 0xf) << 4) + | ((rgba[i][ACOMP] & 0xf) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) + | ((rgba[i][BCOMP] & 0xf) << 8) + | ((rgba[i][GCOMP] & 0xf) << 4) + | ((rgba[i][RCOMP] & 0xf) ); + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + if (format == GL_RGBA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) + | ((rgba[i][BCOMP] & 0xf) << 8) + | ((rgba[i][GCOMP] & 0xf) << 4) + | ((rgba[i][RCOMP] & 0xf) ); + } + } + else if (format == GL_BGRA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) + | ((rgba[i][RCOMP] & 0xf) << 8) + | ((rgba[i][GCOMP] & 0xf) << 4) + | ((rgba[i][BCOMP] & 0xf) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) + | ((rgba[i][GCOMP] & 0xf) << 8) + | ((rgba[i][BCOMP] & 0xf) << 4) + | ((rgba[i][ACOMP] & 0xf) ); + } + } + break; + case GL_UNSIGNED_SHORT_5_5_5_1: + if (format == GL_RGBA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x1f) << 6) + | ((rgba[i][BCOMP] & 0x1f) << 1) + | ((rgba[i][ACOMP] & 0x1) ); + } + } + else if (format == GL_BGRA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x1f) << 6) + | ((rgba[i][RCOMP] & 0x1f) << 1) + | ((rgba[i][ACOMP] & 0x1) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) + | ((rgba[i][BCOMP] & 0x1f) << 6) + | ((rgba[i][GCOMP] & 0x1f) << 1) + | ((rgba[i][RCOMP] & 0x1) ); + } + } + break; + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (format == GL_RGBA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) + | ((rgba[i][BCOMP] & 0x1f) << 6) + | ((rgba[i][GCOMP] & 0x1f) << 1) + | ((rgba[i][RCOMP] & 0x1) ); + } + } + else if (format == GL_BGRA) { + GLushort *dst = (GLushort *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) + | ((rgba[i][RCOMP] & 0x1f) << 6) + | ((rgba[i][GCOMP] & 0x1f) << 1) + | ((rgba[i][BCOMP] & 0x1) ); + } + } + else { + GLushort *dst = (GLushort *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) + | ((rgba[i][GCOMP] & 0x1f) << 6) + | ((rgba[i][BCOMP] & 0x1f) << 1) + | ((rgba[i][ACOMP] & 0x1) ); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) + | ((rgba[i][GCOMP] & 0xff) << 16) + | ((rgba[i][BCOMP] & 0xff) << 8) + | ((rgba[i][ACOMP] & 0xff) ); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0xff) << 24) + | ((rgba[i][GCOMP] & 0xff) << 16) + | ((rgba[i][RCOMP] & 0xff) << 8) + | ((rgba[i][ACOMP] & 0xff) ); + } + } + else { + GLuint *dst = (GLuint *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) + | ((rgba[i][BCOMP] & 0xff) << 16) + | ((rgba[i][GCOMP] & 0xff) << 8) + | ((rgba[i][RCOMP] & 0xff) ); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8_REV: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) + | ((rgba[i][BCOMP] & 0xff) << 16) + | ((rgba[i][GCOMP] & 0xff) << 8) + | ((rgba[i][RCOMP] & 0xff) ); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) + | ((rgba[i][RCOMP] & 0xff) << 16) + | ((rgba[i][GCOMP] & 0xff) << 8) + | ((rgba[i][BCOMP] & 0xff) ); + } + } + else { + GLuint *dst = (GLuint *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) + | ((rgba[i][GCOMP] & 0xff) << 16) + | ((rgba[i][BCOMP] & 0xff) << 8) + | ((rgba[i][ACOMP] & 0xff) ); + } + } + break; + case GL_UNSIGNED_INT_10_10_10_2: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) + | ((rgba[i][GCOMP] & 0x3ff) << 12) + | ((rgba[i][BCOMP] & 0x3ff) << 2) + | ((rgba[i][ACOMP] & 0x3) ); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][BCOMP] & 0x3ff) << 22) + | ((rgba[i][GCOMP] & 0x3ff) << 12) + | ((rgba[i][RCOMP] & 0x3ff) << 2) + | ((rgba[i][ACOMP] & 0x3) ); + } + } + else { + GLuint *dst = (GLuint *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) + | ((rgba[i][BCOMP] & 0x3ff) << 12) + | ((rgba[i][GCOMP] & 0x3ff) << 2) + | ((rgba[i][RCOMP] & 0x3) ); + } + } + break; + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) + | ((rgba[i][BCOMP] & 0x3ff) << 12) + | ((rgba[i][GCOMP] & 0x3ff) << 2) + | ((rgba[i][RCOMP] & 0x3) ); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) + | ((rgba[i][RCOMP] & 0x3ff) << 12) + | ((rgba[i][GCOMP] & 0x3ff) << 2) + | ((rgba[i][BCOMP] & 0x3) ); + } + } + else { + GLuint *dst = (GLuint *) destination; + GLuint i; + ASSERT(format == GL_ABGR_EXT); + for (i = 0; i < n; i++) { + dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) + | ((rgba[i][GCOMP] & 0x3ff) << 12) + | ((rgba[i][BCOMP] & 0x3ff) << 2) + | ((rgba[i][ACOMP] & 0x3) ); + } + } + break; + default: + _mesa_problem(ctx, "Bad type in pack_histogram"); + } + +#undef PACK_MACRO +} + + +/* + * Given an internalFormat token passed to glHistogram or glMinMax, + * return the corresponding base format. + * Return -1 if invalid token. + */ +static GLint +base_histogram_format( GLenum format ) +{ + switch (format) { + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + return GL_ALPHA; + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return GL_LUMINANCE_ALPHA; + case GL_RGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return GL_RGB; + case GL_RGBA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return GL_RGBA; + default: + return -1; /* error */ + } +} + + + +/********************************************************************** + * API functions + */ + + +void GLAPIENTRY +_mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax"); + return; + } + + if (target != GL_MINMAX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)"); + return; + } + + if (format != GL_RED && + format != GL_GREEN && + format != GL_BLUE && + format != GL_ALPHA && + format != GL_RGB && + format != GL_BGR && + format != GL_RGBA && + format != GL_BGRA && + format != GL_ABGR_EXT && + format != GL_LUMINANCE && + format != GL_LUMINANCE_ALPHA) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(format)"); + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax(format or type)"); + return; + } + + if (!values) + return; + + { + GLfloat minmax[2][4]; + minmax[0][RCOMP] = CLAMP(ctx->MinMax.Min[RCOMP], 0.0F, 1.0F); + minmax[0][GCOMP] = CLAMP(ctx->MinMax.Min[GCOMP], 0.0F, 1.0F); + minmax[0][BCOMP] = CLAMP(ctx->MinMax.Min[BCOMP], 0.0F, 1.0F); + minmax[0][ACOMP] = CLAMP(ctx->MinMax.Min[ACOMP], 0.0F, 1.0F); + minmax[1][RCOMP] = CLAMP(ctx->MinMax.Max[RCOMP], 0.0F, 1.0F); + minmax[1][GCOMP] = CLAMP(ctx->MinMax.Max[GCOMP], 0.0F, 1.0F); + minmax[1][BCOMP] = CLAMP(ctx->MinMax.Max[BCOMP], 0.0F, 1.0F); + minmax[1][ACOMP] = CLAMP(ctx->MinMax.Max[ACOMP], 0.0F, 1.0F); + _mesa_pack_rgba_span_float(ctx, 2, (CONST GLfloat (*)[4]) minmax, + format, type, values, &ctx->Pack, 0); + } + + if (reset) { + _mesa_ResetMinmax(GL_MINMAX); + } +} + + +void GLAPIENTRY +_mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram"); + return; + } + + if (target != GL_HISTOGRAM) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)"); + return; + } + + if (format != GL_RED && + format != GL_GREEN && + format != GL_BLUE && + format != GL_ALPHA && + format != GL_RGB && + format != GL_BGR && + format != GL_RGBA && + format != GL_BGRA && + format != GL_ABGR_EXT && + format != GL_LUMINANCE && + format != GL_LUMINANCE_ALPHA) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(format)"); + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram(format or type)"); + return; + } + + if (!values) + return; + + pack_histogram(ctx, ctx->Histogram.Width, + (CONST GLuint (*)[4]) ctx->Histogram.Count, + format, type, values, &ctx->Pack); + + if (reset) { + GLuint i; + for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { + ctx->Histogram.Count[i][0] = 0; + ctx->Histogram.Count[i][1] = 0; + ctx->Histogram.Count[i][2] = 0; + ctx->Histogram.Count[i][3] = 0; + } + } +} + + +void GLAPIENTRY +_mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv"); + return; + } + + if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)"); + return; + } + + switch (pname) { + case GL_HISTOGRAM_WIDTH: + *params = (GLfloat) ctx->Histogram.Width; + break; + case GL_HISTOGRAM_FORMAT: + *params = (GLfloat) ctx->Histogram.Format; + break; + case GL_HISTOGRAM_RED_SIZE: + *params = (GLfloat) ctx->Histogram.RedSize; + break; + case GL_HISTOGRAM_GREEN_SIZE: + *params = (GLfloat) ctx->Histogram.GreenSize; + break; + case GL_HISTOGRAM_BLUE_SIZE: + *params = (GLfloat) ctx->Histogram.BlueSize; + break; + case GL_HISTOGRAM_ALPHA_SIZE: + *params = (GLfloat) ctx->Histogram.AlphaSize; + break; + case GL_HISTOGRAM_LUMINANCE_SIZE: + *params = (GLfloat) ctx->Histogram.LuminanceSize; + break; + case GL_HISTOGRAM_SINK: + *params = (GLfloat) ctx->Histogram.Sink; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)"); + } +} + + +void GLAPIENTRY +_mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv"); + return; + } + + if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)"); + return; + } + + switch (pname) { + case GL_HISTOGRAM_WIDTH: + *params = (GLint) ctx->Histogram.Width; + break; + case GL_HISTOGRAM_FORMAT: + *params = (GLint) ctx->Histogram.Format; + break; + case GL_HISTOGRAM_RED_SIZE: + *params = (GLint) ctx->Histogram.RedSize; + break; + case GL_HISTOGRAM_GREEN_SIZE: + *params = (GLint) ctx->Histogram.GreenSize; + break; + case GL_HISTOGRAM_BLUE_SIZE: + *params = (GLint) ctx->Histogram.BlueSize; + break; + case GL_HISTOGRAM_ALPHA_SIZE: + *params = (GLint) ctx->Histogram.AlphaSize; + break; + case GL_HISTOGRAM_LUMINANCE_SIZE: + *params = (GLint) ctx->Histogram.LuminanceSize; + break; + case GL_HISTOGRAM_SINK: + *params = (GLint) ctx->Histogram.Sink; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)"); + } +} + + +void GLAPIENTRY +_mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv"); + return; + } + if (target != GL_MINMAX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)"); + return; + } + if (pname == GL_MINMAX_FORMAT) { + *params = (GLfloat) ctx->MinMax.Format; + } + else if (pname == GL_MINMAX_SINK) { + *params = (GLfloat) ctx->MinMax.Sink; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)"); + } +} + + +void GLAPIENTRY +_mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv"); + return; + } + if (target != GL_MINMAX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)"); + return; + } + if (pname == GL_MINMAX_FORMAT) { + *params = (GLint) ctx->MinMax.Format; + } + else if (pname == GL_MINMAX_SINK) { + *params = (GLint) ctx->MinMax.Sink; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)"); + } +} + + +void GLAPIENTRY +_mesa_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink) +{ + GLuint i; + GLboolean error = GL_FALSE; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glHistogram"); + return; + } + + if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { + _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(target)"); + return; + } + + if (width < 0 || width > HISTOGRAM_TABLE_SIZE) { + if (target == GL_PROXY_HISTOGRAM) { + error = GL_TRUE; + } + else { + if (width < 0) + _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); + else + _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)"); + return; + } + } + + if (width != 0 && _mesa_bitcount(width) != 1) { + if (target == GL_PROXY_HISTOGRAM) { + error = GL_TRUE; + } + else { + _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); + return; + } + } + + if (base_histogram_format(internalFormat) < 0) { + if (target == GL_PROXY_HISTOGRAM) { + error = GL_TRUE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)"); + return; + } + } + + /* reset histograms */ + for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { + ctx->Histogram.Count[i][0] = 0; + ctx->Histogram.Count[i][1] = 0; + ctx->Histogram.Count[i][2] = 0; + ctx->Histogram.Count[i][3] = 0; + } + + if (error) { + ctx->Histogram.Width = 0; + ctx->Histogram.Format = 0; + ctx->Histogram.RedSize = 0; + ctx->Histogram.GreenSize = 0; + ctx->Histogram.BlueSize = 0; + ctx->Histogram.AlphaSize = 0; + ctx->Histogram.LuminanceSize = 0; + } + else { + ctx->Histogram.Width = width; + ctx->Histogram.Format = internalFormat; + ctx->Histogram.Sink = sink; + ctx->Histogram.RedSize = 8 * sizeof(GLuint); + ctx->Histogram.GreenSize = 8 * sizeof(GLuint); + ctx->Histogram.BlueSize = 8 * sizeof(GLuint); + ctx->Histogram.AlphaSize = 8 * sizeof(GLuint); + ctx->Histogram.LuminanceSize = 8 * sizeof(GLuint); + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax"); + return; + } + + if (target != GL_MINMAX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(target)"); + return; + } + + if (base_histogram_format(internalFormat) < 0) { + _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)"); + return; + } + + if (ctx->MinMax.Sink == sink) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->MinMax.Sink = sink; +} + + +void GLAPIENTRY +_mesa_ResetHistogram(GLenum target) +{ + GLuint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram"); + return; + } + + if (target != GL_HISTOGRAM) { + _mesa_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)"); + return; + } + + for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { + ctx->Histogram.Count[i][0] = 0; + ctx->Histogram.Count[i][1] = 0; + ctx->Histogram.Count[i][2] = 0; + ctx->Histogram.Count[i][3] = 0; + } + + ctx->NewState |= _NEW_PIXEL; +} + + +void GLAPIENTRY +_mesa_ResetMinmax(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax"); + return; + } + + if (target != GL_MINMAX) { + _mesa_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)"); + return; + } + + ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000; + ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000; + ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000; + ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000; + ctx->NewState |= _NEW_PIXEL; +} + + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +void _mesa_init_histogram( GLcontext * ctx ) +{ + int i; + + /* Histogram group */ + ctx->Histogram.Width = 0; + ctx->Histogram.Format = GL_RGBA; + ctx->Histogram.Sink = GL_FALSE; + ctx->Histogram.RedSize = 0; + ctx->Histogram.GreenSize = 0; + ctx->Histogram.BlueSize = 0; + ctx->Histogram.AlphaSize = 0; + ctx->Histogram.LuminanceSize = 0; + for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { + ctx->Histogram.Count[i][0] = 0; + ctx->Histogram.Count[i][1] = 0; + ctx->Histogram.Count[i][2] = 0; + ctx->Histogram.Count[i][3] = 0; + } + + /* Min/Max group */ + ctx->MinMax.Format = GL_RGBA; + ctx->MinMax.Sink = GL_FALSE; + ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000; + ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000; + ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000; + ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000; +} diff --git a/src/mesa/main/histogram.h b/src/mesa/main/histogram.h new file mode 100644 index 0000000..9744472 --- /dev/null +++ b/src/mesa/main/histogram.h @@ -0,0 +1,89 @@ +/** + * \file histogram.h + * Histogram. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef HISTOGRAM_H +#define HISTOGRAM_H + +#include "glheader.h" +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum types, GLvoid *values); + +extern void GLAPIENTRY +_mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values); + +extern void GLAPIENTRY +_mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params); + +extern void GLAPIENTRY +_mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params); + +extern void GLAPIENTRY +_mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_Histogram(GLenum target, GLsizei width, GLenum internalformat, GLboolean sink); + +extern void GLAPIENTRY +_mesa_Minmax(GLenum target, GLenum internalformat, GLboolean sink); + +extern void GLAPIENTRY +_mesa_ResetHistogram(GLenum target); + +extern void GLAPIENTRY +_mesa_ResetMinmax(GLenum target); + +extern void +_mesa_update_minmax(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]); + +extern void +_mesa_update_histogram(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]); + +extern void _mesa_init_histogram( GLcontext * ctx ); + +#else + +/** No-op */ +#define _mesa_init_histogram( c ) ((void) 0) + +#endif + +#endif diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c new file mode 100644 index 0000000..fcac043 --- /dev/null +++ b/src/mesa/main/image.c @@ -0,0 +1,4059 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file image.c + * Image handling. + */ + + +#include "glheader.h" +#include "bufferobj.h" +#include "colormac.h" +#include "context.h" +#include "image.h" +#include "imports.h" +#include "histogram.h" +#include "macros.h" +#include "pixel.h" +#include "mtypes.h" + + +/** Compute ceiling of integer quotient of A divided by B. */ +#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 ) + + +/** + * Flip the 8 bits in each byte of the given array. + * + * \param p array. + * \param n number of bytes. + * + * \todo try this trick to flip bytes someday: + * \code + * v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); + * v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); + * v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); + * \endcode + */ +static void +flip_bytes( GLubyte *p, GLuint n ) +{ + register GLuint i, a, b; + + for (i=0;i<n;i++) { + b = (GLuint) p[i]; /* words are often faster than bytes */ + a = ((b & 0x01) << 7) | + ((b & 0x02) << 5) | + ((b & 0x04) << 3) | + ((b & 0x08) << 1) | + ((b & 0x10) >> 1) | + ((b & 0x20) >> 3) | + ((b & 0x40) >> 5) | + ((b & 0x80) >> 7); + p[i] = (GLubyte) a; + } +} + + +/** + * Flip the order of the 2 bytes in each word in the given array. + * + * \param p array. + * \param n number of words. + */ +void +_mesa_swap2( GLushort *p, GLuint n ) +{ + register GLuint i; + + for (i=0;i<n;i++) { + p[i] = (p[i] >> 8) | ((p[i] << 8) & 0xff00); + } +} + + + +/* + * Flip the order of the 4 bytes in each word in the given array. + */ +void +_mesa_swap4( GLuint *p, GLuint n ) +{ + register GLuint i, a, b; + + for (i=0;i<n;i++) { + b = p[i]; + a = (b >> 24) + | ((b >> 8) & 0xff00) + | ((b << 8) & 0xff0000) + | ((b << 24) & 0xff000000); + p[i] = a; + } +} + + +/** + * Get the size of a GL data type. + * + * \param type GL data type. + * + * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1 + * if an invalid type enum. + */ +GLint _mesa_sizeof_type( GLenum type ) +{ + switch (type) { + case GL_BITMAP: + return 0; + case GL_UNSIGNED_BYTE: + return sizeof(GLubyte); + case GL_BYTE: + return sizeof(GLbyte); + case GL_UNSIGNED_SHORT: + return sizeof(GLushort); + case GL_SHORT: + return sizeof(GLshort); + case GL_UNSIGNED_INT: + return sizeof(GLuint); + case GL_INT: + return sizeof(GLint); + case GL_FLOAT: + return sizeof(GLfloat); + case GL_HALF_FLOAT_ARB: + return sizeof(GLhalfARB); + default: + return -1; + } +} + + +/** + * Same as _mesa_sizeof_type() but also accepting the packed pixel + * format data types. + */ +GLint _mesa_sizeof_packed_type( GLenum type ) +{ + switch (type) { + case GL_BITMAP: + return 0; + case GL_UNSIGNED_BYTE: + return sizeof(GLubyte); + case GL_BYTE: + return sizeof(GLbyte); + case GL_UNSIGNED_SHORT: + return sizeof(GLushort); + case GL_SHORT: + return sizeof(GLshort); + case GL_UNSIGNED_INT: + return sizeof(GLuint); + case GL_INT: + return sizeof(GLint); + case GL_HALF_FLOAT_ARB: + return sizeof(GLhalfARB); + case GL_FLOAT: + return sizeof(GLfloat); + case GL_UNSIGNED_BYTE_3_3_2: + return sizeof(GLubyte); + case GL_UNSIGNED_BYTE_2_3_3_REV: + return sizeof(GLubyte); + case GL_UNSIGNED_SHORT_5_6_5: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_5_6_5_REV: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_4_4_4_4: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_5_5_5_1: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + return sizeof(GLushort); + case GL_UNSIGNED_INT_8_8_8_8: + return sizeof(GLuint); + case GL_UNSIGNED_INT_8_8_8_8_REV: + return sizeof(GLuint); + case GL_UNSIGNED_INT_10_10_10_2: + return sizeof(GLuint); + case GL_UNSIGNED_INT_2_10_10_10_REV: + return sizeof(GLuint); + case GL_UNSIGNED_SHORT_8_8_MESA: + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + return sizeof(GLushort); + default: + return -1; + } +} + + +/** + * Get the number of components in a pixel format. + * + * \param format pixel format. + * + * \return the number of components in the given format, or -1 if a bad format. + */ +GLint _mesa_components_in_format( GLenum format ) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + case GL_STENCIL_INDEX: + case GL_DEPTH_COMPONENT: + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_LUMINANCE: + case GL_INTENSITY: + return 1; + case GL_LUMINANCE_ALPHA: + return 2; + case GL_RGB: + return 3; + case GL_RGBA: + return 4; + case GL_BGR: + return 3; + case GL_BGRA: + return 4; + case GL_ABGR_EXT: + return 4; + case GL_YCBCR_MESA: + return 2; + default: + return -1; + } +} + + +/** + * Get the bytes per pixel of pixel format type pair. + * + * \param format pixel format. + * \param type pixel type. + * + * \return bytes per pixel, or -1 if a bad format or type was given. + */ +GLint _mesa_bytes_per_pixel( GLenum format, GLenum type ) +{ + GLint comps = _mesa_components_in_format( format ); + if (comps < 0) + return -1; + + switch (type) { + case GL_BITMAP: + return 0; /* special case */ + case GL_BYTE: + case GL_UNSIGNED_BYTE: + return comps * sizeof(GLubyte); + case GL_SHORT: + case GL_UNSIGNED_SHORT: + return comps * sizeof(GLshort); + case GL_INT: + case GL_UNSIGNED_INT: + return comps * sizeof(GLint); + case GL_FLOAT: + return comps * sizeof(GLfloat); + case GL_HALF_FLOAT_ARB: + return comps * sizeof(GLhalfARB); + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + if (format == GL_RGB || format == GL_BGR) + return sizeof(GLubyte); + else + return -1; /* error */ + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (format == GL_RGB || format == GL_BGR) + return sizeof(GLushort); + else + return -1; /* error */ + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT) + return sizeof(GLushort); + else + return -1; + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT) + return sizeof(GLuint); + else + return -1; + case GL_UNSIGNED_SHORT_8_8_MESA: + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + if (format == GL_YCBCR_MESA) + return sizeof(GLushort); + else + return -1; + default: + return -1; + } +} + + +/** + * Test for a legal pixel format and type. + * + * \param format pixel format. + * \param type pixel type. + * + * \return GL_TRUE if the given pixel format and type are legal, or GL_FALSE + * otherwise. + */ +GLboolean +_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type ) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_STENCIL_INDEX: + switch (type) { + case GL_BITMAP: + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: +#if 0 /* not legal! see table 3.6 of the 1.5 spec */ + case GL_INTENSITY: +#endif + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_DEPTH_COMPONENT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RGB: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_BGR: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_YCBCR_MESA: + if (type == GL_UNSIGNED_SHORT_8_8_MESA || + type == GL_UNSIGNED_SHORT_8_8_REV_MESA) + return GL_TRUE; + else + return GL_FALSE; + default: + ; /* fall-through */ + } + return GL_FALSE; +} + + +/** + * Get the address of a pixel in an image (actually a volume). + * + * Pixel unpacking/packing parameters are observed according to \p packing. + * + * \param image start of image data. + * \param width image width. + * \param height image height. + * \param format pixel format. + * \param type pixel data type. + * \param packing the pixelstore attributes + * \param img which image in the volume (0 for 1D or 2D images) + * \param row of pixel in the image + * \param column of pixel in the image + * + * \return address of pixel on success, or NULL on error. + * + * According to the \p packing information calculates the number of pixel/bytes + * per row/image and refers it. + * + * \sa gl_pixelstore_attrib. + */ +GLvoid * +_mesa_image_address( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, GLsizei width, + GLsizei height, GLenum format, GLenum type, + GLint img, GLint row, GLint column ) +{ + GLint alignment; /* 1, 2 or 4 */ + GLint pixels_per_row; + GLint rows_per_image; + GLint skiprows; + GLint skippixels; + GLint skipimages; /* for 3-D volume images */ + GLubyte *pixel_addr; + + alignment = packing->Alignment; + if (packing->RowLength > 0) { + pixels_per_row = packing->RowLength; + } + else { + pixels_per_row = width; + } + if (packing->ImageHeight > 0) { + rows_per_image = packing->ImageHeight; + } + else { + rows_per_image = height; + } + skiprows = packing->SkipRows; + skippixels = packing->SkipPixels; + skipimages = packing->SkipImages; + + if (type==GL_BITMAP) { + /* BITMAP data */ + GLint comp_per_pixel; /* components per pixel */ + GLint bytes_per_comp; /* bytes per component */ + GLint bytes_per_row; + GLint bytes_per_image; + + /* Compute bytes per component */ + bytes_per_comp = _mesa_sizeof_packed_type( type ); + if (bytes_per_comp<0) { + return NULL; + } + + /* Compute number of components per pixel */ + comp_per_pixel = _mesa_components_in_format( format ); + if (comp_per_pixel<0 && type != GL_BITMAP) { + return NULL; + } + + bytes_per_row = alignment + * CEILING( comp_per_pixel*pixels_per_row, 8*alignment ); + + bytes_per_image = bytes_per_row * rows_per_image; + + pixel_addr = (GLubyte *) image + + (skipimages + img) * bytes_per_image + + (skiprows + row) * bytes_per_row + + (skippixels + column) / 8; + } + else { + /* Non-BITMAP data */ + GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image; + GLint topOfImage; + + bytes_per_pixel = _mesa_bytes_per_pixel( format, type ); + + /* The pixel type and format should have been error checked earlier */ + assert(bytes_per_pixel > 0); + + bytes_per_row = pixels_per_row * bytes_per_pixel; + remainder = bytes_per_row % alignment; + if (remainder > 0) + bytes_per_row += (alignment - remainder); + + ASSERT(bytes_per_row % alignment == 0); + + bytes_per_image = bytes_per_row * rows_per_image; + + if (packing->Invert) { + /* set pixel_addr to the last row */ + topOfImage = bytes_per_row * (height - 1); + bytes_per_row = -bytes_per_row; + } + else { + topOfImage = 0; + } + + /* compute final pixel address */ + pixel_addr = (GLubyte *) image + + (skipimages + img) * bytes_per_image + + topOfImage + + (skiprows + row) * bytes_per_row + + (skippixels + column) * bytes_per_pixel; + } + + return (GLvoid *) pixel_addr; +} + + +/** + * Compute the stride between image rows. + * + * \param packing the pixelstore attributes + * \param width image width. + * \param format pixel format. + * \param type pixel data type. + * + * \return the stride in bytes for the given parameters. + * + * Computes the number of bytes per pixel and row and compensates for alignment. + * + * \sa gl_pixelstore_attrib. + */ +GLint +_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLenum format, GLenum type ) +{ + ASSERT(packing); + if (type == GL_BITMAP) { + /* BITMAP data */ + GLint bytes; + if (packing->RowLength == 0) { + bytes = (width + 7) / 8; + } + else { + bytes = (packing->RowLength + 7) / 8; + } + if (packing->Invert) { + /* negate the bytes per row (negative row stride) */ + bytes = -bytes; + } + return bytes; + } + else { + /* Non-BITMAP data */ + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + GLint bytesPerRow, remainder; + if (bytesPerPixel <= 0) + return -1; /* error */ + if (packing->RowLength == 0) { + bytesPerRow = bytesPerPixel * width; + } + else { + bytesPerRow = bytesPerPixel * packing->RowLength; + } + remainder = bytesPerRow % packing->Alignment; + if (remainder > 0) + bytesPerRow += (packing->Alignment - remainder); + if (packing->Invert) + bytesPerRow = -bytesPerRow; + return bytesPerRow; + } +} + + +#if _HAVE_FULL_GL + +/* + * Compute the stride between images in a 3D texture (in bytes) for the given + * pixel packing parameters and image width, format and type. + */ +GLint +_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLint height, + GLenum format, GLenum type ) +{ + ASSERT(packing); + ASSERT(type != GL_BITMAP); + + { + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + GLint bytesPerRow, bytesPerImage, remainder; + + if (bytesPerPixel <= 0) + return -1; /* error */ + if (packing->RowLength == 0) { + bytesPerRow = bytesPerPixel * width; + } + else { + bytesPerRow = bytesPerPixel * packing->RowLength; + } + remainder = bytesPerRow % packing->Alignment; + if (remainder > 0) + bytesPerRow += (packing->Alignment - remainder); + + if (packing->ImageHeight == 0) + bytesPerImage = bytesPerRow * height; + else + bytesPerImage = bytesPerRow * packing->ImageHeight; + + return bytesPerImage; + } +} + + +/* + * Unpack a 32x32 pixel polygon stipple from user memory using the + * current pixel unpack settings. + */ +void +_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32], + const struct gl_pixelstore_attrib *unpacking ) +{ + GLubyte *ptrn = (GLubyte *) _mesa_unpack_bitmap( 32, 32, pattern, unpacking ); + if (ptrn) { + /* Convert pattern from GLubytes to GLuints and handle big/little + * endian differences + */ + GLubyte *p = ptrn; + GLint i; + for (i = 0; i < 32; i++) { + dest[i] = (p[0] << 24) + | (p[1] << 16) + | (p[2] << 8) + | (p[3] ); + p += 4; + } + FREE(ptrn); + } +} + + +/* + * Pack polygon stipple into user memory given current pixel packing + * settings. + */ +void +_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, + const struct gl_pixelstore_attrib *packing ) +{ + /* Convert pattern from GLuints to GLubytes to handle big/little + * endian differences. + */ + GLubyte ptrn[32*4]; + GLint i; + for (i = 0; i < 32; i++) { + ptrn[i * 4 + 0] = (GLubyte) ((pattern[i] >> 24) & 0xff); + ptrn[i * 4 + 1] = (GLubyte) ((pattern[i] >> 16) & 0xff); + ptrn[i * 4 + 2] = (GLubyte) ((pattern[i] >> 8 ) & 0xff); + ptrn[i * 4 + 3] = (GLubyte) ((pattern[i] ) & 0xff); + } + + _mesa_pack_bitmap(32, 32, ptrn, dest, packing); +} + + +/* + * Unpack bitmap data. Resulting data will be in most-significant-bit-first + * order with row alignment = 1 byte. + */ +GLvoid * +_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, + const struct gl_pixelstore_attrib *packing ) +{ + GLint bytes, row, width_in_bytes; + GLubyte *buffer, *dst; + + if (!pixels) + return NULL; + + /* Alloc dest storage */ + bytes = ((width + 7) / 8 * height); + buffer = (GLubyte *) MALLOC( bytes ); + if (!buffer) + return NULL; + + + width_in_bytes = CEILING( width, 8 ); + dst = buffer; + for (row = 0; row < height; row++) { + const GLubyte *src = (const GLubyte *) + _mesa_image_address(packing, pixels, width, height, + GL_COLOR_INDEX, GL_BITMAP, 0, row, 0); + if (!src) { + FREE(buffer); + return NULL; + } + + if (packing->SkipPixels == 0) { + MEMCPY( dst, src, width_in_bytes ); + if (packing->LsbFirst) { + flip_bytes( dst, width_in_bytes ); + } + } + else { + /* handling SkipPixels is a bit tricky (no pun intended!) */ + GLint i; + if (packing->LsbFirst) { + GLubyte srcMask = 1 << (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 128) { + srcMask = 1; + s++; + } + else { + srcMask = srcMask << 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + else { + GLubyte srcMask = 128 >> (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 1) { + srcMask = 128; + s++; + } + else { + srcMask = srcMask >> 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + } + dst += width_in_bytes; + } + + return buffer; +} + + +/* + * Pack bitmap data. + */ +void +_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, + GLubyte *dest, const struct gl_pixelstore_attrib *packing ) +{ + GLint row, width_in_bytes; + const GLubyte *src; + + if (!source) + return; + + width_in_bytes = CEILING( width, 8 ); + src = source; + for (row = 0; row < height; row++) { + GLubyte *dst = (GLubyte *) _mesa_image_address( packing, dest, + width, height, GL_COLOR_INDEX, GL_BITMAP, 0, row, 0 ); + if (!dst) + return; + + if (packing->SkipPixels == 0) { + MEMCPY( dst, src, width_in_bytes ); + if (packing->LsbFirst) { + flip_bytes( dst, width_in_bytes ); + } + } + else { + /* handling SkipPixels is a bit tricky (no pun intended!) */ + GLint i; + if (packing->LsbFirst) { + GLubyte srcMask = 1 << (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 128) { + srcMask = 1; + s++; + } + else { + srcMask = srcMask << 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + else { + GLubyte srcMask = 128 >> (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 1) { + srcMask = 128; + s++; + } + else { + srcMask = srcMask >> 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + } + src += width_in_bytes; + } +} + + +/** + * Apply various pixel transfer operations to an array of RGBA pixels + * as indicated by the transferOps bitmask + */ +void +_mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLuint transferOps, + GLuint n, GLfloat rgba[][4]) +{ + /* scale & bias */ + if (transferOps & IMAGE_SCALE_BIAS_BIT) { + _mesa_scale_and_bias_rgba(ctx, n, rgba, + ctx->Pixel.RedScale, ctx->Pixel.GreenScale, + ctx->Pixel.BlueScale, ctx->Pixel.AlphaScale, + ctx->Pixel.RedBias, ctx->Pixel.GreenBias, + ctx->Pixel.BlueBias, ctx->Pixel.AlphaBias); + } + /* color map lookup */ + if (transferOps & IMAGE_MAP_COLOR_BIT) { + _mesa_map_rgba( ctx, n, rgba ); + } + /* GL_COLOR_TABLE lookup */ + if (transferOps & IMAGE_COLOR_TABLE_BIT) { + _mesa_lookup_rgba_float(&ctx->ColorTable, n, rgba); + } + /* convolution */ + if (transferOps & IMAGE_CONVOLUTION_BIT) { + /* this has to be done in the calling code */ + _mesa_problem(ctx, "IMAGE_CONVOLUTION_BIT set in _mesa_apply_transfer_ops"); + } + /* GL_POST_CONVOLUTION_RED/GREEN/BLUE/ALPHA_SCALE/BIAS */ + if (transferOps & IMAGE_POST_CONVOLUTION_SCALE_BIAS) { + _mesa_scale_and_bias_rgba(ctx, n, rgba, + ctx->Pixel.PostConvolutionScale[RCOMP], + ctx->Pixel.PostConvolutionScale[GCOMP], + ctx->Pixel.PostConvolutionScale[BCOMP], + ctx->Pixel.PostConvolutionScale[ACOMP], + ctx->Pixel.PostConvolutionBias[RCOMP], + ctx->Pixel.PostConvolutionBias[GCOMP], + ctx->Pixel.PostConvolutionBias[BCOMP], + ctx->Pixel.PostConvolutionBias[ACOMP]); + } + /* GL_POST_CONVOLUTION_COLOR_TABLE lookup */ + if (transferOps & IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT) { + _mesa_lookup_rgba_float(&ctx->PostConvolutionColorTable, n, rgba); + } + /* color matrix transform */ + if (transferOps & IMAGE_COLOR_MATRIX_BIT) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (transferOps & IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT) { + _mesa_lookup_rgba_float(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* update histogram count */ + if (transferOps & IMAGE_HISTOGRAM_BIT) { + _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* update min/max values */ + if (transferOps & IMAGE_MIN_MAX_BIT) { + _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* clamping to [0,1] */ + if (transferOps & IMAGE_CLAMP_BIT) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F); + rgba[i][GCOMP] = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F); + rgba[i][BCOMP] = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F); + rgba[i][ACOMP] = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F); + } + } +} + + + +/* + * Used to pack an array [][4] of RGBA GLchan colors as specified + * by the dstFormat, dstType and dstPacking. Used by glReadPixels, + * glGetConvolutionFilter(), etc. + */ +void +_mesa_pack_rgba_span_float( GLcontext *ctx, + GLuint n, CONST GLfloat rgbaIn[][4], + GLenum dstFormat, GLenum dstType, + GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps ) +{ + const GLint comps = _mesa_components_in_format(dstFormat); + GLfloat luminance[MAX_WIDTH]; + const GLfloat (*rgba)[4]; + GLuint i; + + if (transferOps) { + /* make copy of incoming data */ + DEFMARRAY(GLfloat, rgbaCopy, MAX_WIDTH, 4); /* mac 32k limitation */ + CHECKARRAY(rgbaCopy, return); /* mac 32k limitation */ + + _mesa_memcpy(rgbaCopy, rgbaIn, n * 4 * sizeof(GLfloat)); + _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgbaCopy); + rgba = (const GLfloat (*)[4]) rgbaCopy; + + if ((transferOps & IMAGE_MIN_MAX_BIT) && ctx->MinMax.Sink) { + UNDEFARRAY(rgbaCopy); /* mac 32k limitation */ + return; + } + UNDEFARRAY(rgbaCopy); /* mac 32k limitation */ + } + else { + /* use incoming data, not a copy */ + rgba = (const GLfloat (*)[4]) rgbaIn; + } + + if (dstFormat == GL_LUMINANCE || dstFormat == GL_LUMINANCE_ALPHA) { + /* compute luminance values */ + if (ctx->ClampFragmentColors) { + for (i = 0; i < n; i++) { + GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + luminance[i] = CLAMP(sum, 0.0F, 1.0F); + } + } + else { + for (i = 0; i < n; i++) { + luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + } + } + } + + /* + * Pack/store the pixels. Ugh! Lots of cases!!! + */ + switch (dstType) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_UBYTE(luminance[i]); + dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + } + break; + case GL_BYTE: + { + GLbyte *dst = (GLbyte *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_BYTE(luminance[i]); + dst[i*2+1] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_USHORT(luminance[i]); + dst[i*2+1] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n * comps); + } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_SHORT(luminance[i]); + dst[i*2+1] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n * comps ); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_UINT(luminance[i]); + dst[i*2+1] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); + } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_INT(luminance[i]); + dst[i*2+1] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_INT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_INT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); + } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = rgba[i][RCOMP]; + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = rgba[i][GCOMP]; + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = rgba[i][BCOMP]; + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = rgba[i][ACOMP]; + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = luminance[i]; + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = luminance[i]; + dst[i*2+1] = rgba[i][ACOMP]; + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = rgba[i][RCOMP]; + dst[i*3+1] = rgba[i][GCOMP]; + dst[i*3+2] = rgba[i][BCOMP]; + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][RCOMP]; + dst[i*4+1] = rgba[i][GCOMP]; + dst[i*4+2] = rgba[i][BCOMP]; + dst[i*4+3] = rgba[i][ACOMP]; + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = rgba[i][BCOMP]; + dst[i*3+1] = rgba[i][GCOMP]; + dst[i*3+2] = rgba[i][RCOMP]; + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][BCOMP]; + dst[i*4+1] = rgba[i][GCOMP]; + dst[i*4+2] = rgba[i][RCOMP]; + dst[i*4+3] = rgba[i][ACOMP]; + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][ACOMP]; + dst[i*4+1] = rgba[i][BCOMP]; + dst[i*4+2] = rgba[i][GCOMP]; + dst[i*4+3] = rgba[i][RCOMP]; + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); + } + } + break; + case GL_HALF_FLOAT_ARB: + { + GLhalfARB *dst = (GLhalfARB *) dstAddr; + switch (dstFormat) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = _mesa_float_to_half(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = _mesa_float_to_half(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = _mesa_float_to_half(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = _mesa_float_to_half(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = _mesa_float_to_half(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = _mesa_float_to_half(luminance[i]); + dst[i*2+1] = _mesa_float_to_half(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = _mesa_float_to_half(rgba[i][RCOMP]); + dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]); + dst[i*3+2] = _mesa_float_to_half(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = _mesa_float_to_half(rgba[i][RCOMP]); + dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]); + dst[i*4+2] = _mesa_float_to_half(rgba[i][BCOMP]); + dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = _mesa_float_to_half(rgba[i][BCOMP]); + dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]); + dst[i*3+2] = _mesa_float_to_half(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = _mesa_float_to_half(rgba[i][BCOMP]); + dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]); + dst[i*4+2] = _mesa_float_to_half(rgba[i][RCOMP]); + dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = _mesa_float_to_half(rgba[i][ACOMP]); + dst[i*4+1] = _mesa_float_to_half(rgba[i][BCOMP]); + dst[i*4+2] = _mesa_float_to_half(rgba[i][GCOMP]); + dst[i*4+3] = _mesa_float_to_half(rgba[i][RCOMP]); + } + break; + default: + _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n * comps ); + } + } + break; + case GL_UNSIGNED_BYTE_3_3_2: + if (dstFormat == GL_RGB) { + GLubyte *dst = (GLubyte *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) << 5) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 2) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) ); + } + } + break; + case GL_UNSIGNED_BYTE_2_3_3_REV: + if (dstFormat == GL_RGB) { + GLubyte *dst = (GLubyte *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 3) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) << 5); + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5: + if (dstFormat == GL_RGB) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) ); + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (dstFormat == GL_RGB) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11); + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4: + if (dstFormat == GL_RGBA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); + } + } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) ); + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + if (dstFormat == GL_RGBA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); + } + } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) ) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12); + } + } + break; + case GL_UNSIGNED_SHORT_5_5_5_1: + if (dstFormat == GL_RGBA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); + } + } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][RCOMP] * 1.0F)) ); + } + } + break; + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (dstFormat == GL_RGBA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); + } + } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) ) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][RCOMP] * 1.0F)) << 15); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8: + if (dstFormat == GL_RGBA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); + } + } + else if (dstFormat == GL_BGRA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) ); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8_REV: + if (dstFormat == GL_RGBA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); + } + } + else if (dstFormat == GL_BGRA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24); + } + } + break; + case GL_UNSIGNED_INT_10_10_10_2: + if (dstFormat == GL_RGBA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); + } + } + else if (dstFormat == GL_BGRA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][RCOMP] * 3.0F)) ); + } + } + break; + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (dstFormat == GL_RGBA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); + } + } + else if (dstFormat == GL_BGRA) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][RCOMP] * 3.0F)) << 30); + } + } + break; + default: + _mesa_problem(ctx, "bad type in _mesa_pack_rgba_span_float"); + } +} + + +/* + * Pack the given RGBA span into client memory at 'dest' address + * in the given pixel format and type. + * Optionally apply the enabled pixel transfer ops. + * Pack into memory using the given packing params struct. + * This is used by glReadPixels and glGetTexImage?D() + * \param ctx - the context + * n - number of pixels in the span + * rgba - the pixels + * format - dest packing format + * type - dest packing data type + * destination - destination packing address + * packing - pixel packing parameters + * transferOps - bitmask of IMAGE_*_BIT operations to apply + */ +void +_mesa_pack_rgba_span_chan( GLcontext *ctx, + GLuint n, CONST GLchan srcRgba[][4], + GLenum dstFormat, GLenum dstType, + GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps) +{ + ASSERT((ctx->NewState & _NEW_PIXEL) == 0 || transferOps == 0); + + /* Test for optimized case first */ + if (transferOps == 0 && dstFormat == GL_RGBA && dstType == CHAN_TYPE) { + /* common simple case */ + MEMCPY(dstAddr, srcRgba, n * 4 * sizeof(GLchan)); + } + else if (transferOps == 0 && dstFormat == GL_RGB && dstType == CHAN_TYPE) { + /* common simple case */ + GLuint i; + GLchan *dest = (GLchan *) dstAddr; + for (i = 0; i < n; i++) { + dest[0] = srcRgba[i][RCOMP]; + dest[1] = srcRgba[i][GCOMP]; + dest[2] = srcRgba[i][BCOMP]; + dest += 3; + } + } + else if (transferOps == 0 && dstFormat == GL_RGBA && dstType == GL_UNSIGNED_BYTE) { + /* common simple case */ + GLuint i; + GLubyte *dest = (GLubyte *) dstAddr; + for (i = 0; i < n; i++) { + dest[0] = CHAN_TO_UBYTE(srcRgba[i][RCOMP]); + dest[1] = CHAN_TO_UBYTE(srcRgba[i][GCOMP]); + dest[2] = CHAN_TO_UBYTE(srcRgba[i][BCOMP]); + dest[3] = CHAN_TO_UBYTE(srcRgba[i][ACOMP]); + dest += 4; + } + } + else { + /* general solution */ + GLuint i; + DEFMARRAY(GLfloat, rgba, MAX_WIDTH, 4); /* mac 32k limitation */ + CHECKARRAY(rgba, return); /* mac 32k limitation */ + + assert(n <= MAX_WIDTH); + /* convert color components to floating point */ + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = CHAN_TO_FLOAT(srcRgba[i][RCOMP]); + rgba[i][GCOMP] = CHAN_TO_FLOAT(srcRgba[i][GCOMP]); + rgba[i][BCOMP] = CHAN_TO_FLOAT(srcRgba[i][BCOMP]); + rgba[i][ACOMP] = CHAN_TO_FLOAT(srcRgba[i][ACOMP]); + } + _mesa_pack_rgba_span_float(ctx, n, (const GLfloat (*)[4]) rgba, + dstFormat, dstType, dstAddr, + dstPacking, transferOps); + UNDEFARRAY(rgba); /* mac 32k limitation */ + } +} + + +#define SWAP2BYTE(VALUE) \ + { \ + GLubyte *bytes = (GLubyte *) &(VALUE); \ + GLubyte tmp = bytes[0]; \ + bytes[0] = bytes[1]; \ + bytes[1] = tmp; \ + } + +#define SWAP4BYTE(VALUE) \ + { \ + GLubyte *bytes = (GLubyte *) &(VALUE); \ + GLubyte tmp = bytes[0]; \ + bytes[0] = bytes[3]; \ + bytes[3] = tmp; \ + tmp = bytes[1]; \ + bytes[1] = bytes[2]; \ + bytes[2] = tmp; \ + } + + +static void +extract_uint_indexes(GLuint n, GLuint indexes[], + GLenum srcFormat, GLenum srcType, const GLvoid *src, + const struct gl_pixelstore_attrib *unpack ) +{ + assert(srcFormat == GL_COLOR_INDEX); + + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT); + + switch (srcType) { + case GL_BITMAP: + { + GLubyte *ubsrc = (GLubyte *) src; + if (unpack->LsbFirst) { + GLubyte mask = 1 << (unpack->SkipPixels & 0x7); + GLuint i; + for (i = 0; i < n; i++) { + indexes[i] = (*ubsrc & mask) ? 1 : 0; + if (mask == 128) { + mask = 1; + ubsrc++; + } + else { + mask = mask << 1; + } + } + } + else { + GLubyte mask = 128 >> (unpack->SkipPixels & 0x7); + GLuint i; + for (i = 0; i < n; i++) { + indexes[i] = (*ubsrc & mask) ? 1 : 0; + if (mask == 1) { + mask = 128; + ubsrc++; + } + else { + mask = mask >> 1; + } + } + } + } + break; + case GL_UNSIGNED_BYTE: + { + GLuint i; + const GLubyte *s = (const GLubyte *) src; + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + break; + case GL_BYTE: + { + GLuint i; + const GLbyte *s = (const GLbyte *) src; + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + break; + case GL_UNSIGNED_SHORT: + { + GLuint i; + const GLushort *s = (const GLushort *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLushort value = s[i]; + SWAP2BYTE(value); + indexes[i] = value; + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + } + break; + case GL_SHORT: + { + GLuint i; + const GLshort *s = (const GLshort *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLshort value = s[i]; + SWAP2BYTE(value); + indexes[i] = value; + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint i; + const GLuint *s = (const GLuint *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLuint value = s[i]; + SWAP4BYTE(value); + indexes[i] = value; + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + } + break; + case GL_INT: + { + GLuint i; + const GLint *s = (const GLint *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLint value = s[i]; + SWAP4BYTE(value); + indexes[i] = value; + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = s[i]; + } + } + break; + case GL_FLOAT: + { + GLuint i; + const GLfloat *s = (const GLfloat *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLfloat value = s[i]; + SWAP4BYTE(value); + indexes[i] = (GLuint) value; + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = (GLuint) s[i]; + } + } + break; + case GL_HALF_FLOAT_ARB: + { + GLuint i; + const GLhalfARB *s = (const GLhalfARB *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLhalfARB value = s[i]; + SWAP2BYTE(value); + indexes[i] = (GLuint) _mesa_half_to_float(value); + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = (GLuint) _mesa_half_to_float(s[i]); + } + } + break; + default: + _mesa_problem(NULL, "bad srcType in extract_uint_indexes"); + return; + } +} + + +/* + * This function extracts floating point RGBA values from arbitrary + * image data. srcFormat and srcType are the format and type parameters + * passed to glDrawPixels, glTexImage[123]D, glTexSubImage[123]D, etc. + * + * Refering to section 3.6.4 of the OpenGL 1.2 spec, this function + * implements the "Conversion to floating point", "Conversion to RGB", + * and "Final Expansion to RGBA" operations. + * + * Args: n - number of pixels + * rgba - output colors + * srcFormat - format of incoming data + * srcType - data type of incoming data + * src - source data pointer + * swapBytes - perform byteswapping of incoming data? + */ +static void +extract_float_rgba(GLuint n, GLfloat rgba[][4], + GLenum srcFormat, GLenum srcType, const GLvoid *src, + GLboolean swapBytes) +{ + GLint redIndex, greenIndex, blueIndex, alphaIndex; + GLint stride; + GLint rComp, bComp, gComp, aComp; + + ASSERT(srcFormat == GL_RED || + srcFormat == GL_GREEN || + srcFormat == GL_BLUE || + srcFormat == GL_ALPHA || + srcFormat == GL_LUMINANCE || + srcFormat == GL_LUMINANCE_ALPHA || + srcFormat == GL_INTENSITY || + srcFormat == GL_RGB || + srcFormat == GL_BGR || + srcFormat == GL_RGBA || + srcFormat == GL_BGRA || + srcFormat == GL_ABGR_EXT); + + ASSERT(srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT || + srcType == GL_UNSIGNED_BYTE_3_3_2 || + srcType == GL_UNSIGNED_BYTE_2_3_3_REV || + srcType == GL_UNSIGNED_SHORT_5_6_5 || + srcType == GL_UNSIGNED_SHORT_5_6_5_REV || + srcType == GL_UNSIGNED_SHORT_4_4_4_4 || + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || + srcType == GL_UNSIGNED_SHORT_5_5_5_1 || + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV || + srcType == GL_UNSIGNED_INT_10_10_10_2 || + srcType == GL_UNSIGNED_INT_2_10_10_10_REV); + + rComp = gComp = bComp = aComp = -1; + + switch (srcFormat) { + case GL_RED: + redIndex = 0; + greenIndex = blueIndex = alphaIndex = -1; + stride = 1; + break; + case GL_GREEN: + greenIndex = 0; + redIndex = blueIndex = alphaIndex = -1; + stride = 1; + break; + case GL_BLUE: + blueIndex = 0; + redIndex = greenIndex = alphaIndex = -1; + stride = 1; + break; + case GL_ALPHA: + redIndex = greenIndex = blueIndex = -1; + alphaIndex = 0; + stride = 1; + break; + case GL_LUMINANCE: + redIndex = greenIndex = blueIndex = 0; + alphaIndex = -1; + stride = 1; + break; + case GL_LUMINANCE_ALPHA: + redIndex = greenIndex = blueIndex = 0; + alphaIndex = 1; + stride = 2; + break; + case GL_INTENSITY: + redIndex = greenIndex = blueIndex = alphaIndex = 0; + stride = 1; + break; + case GL_RGB: + redIndex = 0; + greenIndex = 1; + blueIndex = 2; + alphaIndex = -1; + rComp = 0; + gComp = 1; + bComp = 2; + aComp = 3; + stride = 3; + break; + case GL_BGR: + redIndex = 2; + greenIndex = 1; + blueIndex = 0; + alphaIndex = -1; + rComp = 2; + gComp = 1; + bComp = 0; + aComp = 3; + stride = 3; + break; + case GL_RGBA: + redIndex = 0; + greenIndex = 1; + blueIndex = 2; + alphaIndex = 3; + rComp = 0; + gComp = 1; + bComp = 2; + aComp = 3; + stride = 4; + break; + case GL_BGRA: + redIndex = 2; + greenIndex = 1; + blueIndex = 0; + alphaIndex = 3; + rComp = 2; + gComp = 1; + bComp = 0; + aComp = 3; + stride = 4; + break; + case GL_ABGR_EXT: + redIndex = 3; + greenIndex = 2; + blueIndex = 1; + alphaIndex = 0; + rComp = 3; + gComp = 2; + bComp = 1; + aComp = 0; + stride = 4; + break; + default: + _mesa_problem(NULL, "bad srcFormat in extract float data"); + return; + } + + +#define PROCESS(INDEX, CHANNEL, DEFAULT, TYPE, CONVERSION) \ + if ((INDEX) < 0) { \ + GLuint i; \ + for (i = 0; i < n; i++) { \ + rgba[i][CHANNEL] = DEFAULT; \ + } \ + } \ + else if (swapBytes) { \ + const TYPE *s = (const TYPE *) src; \ + GLuint i; \ + for (i = 0; i < n; i++) { \ + TYPE value = s[INDEX]; \ + if (sizeof(TYPE) == 2) { \ + SWAP2BYTE(value); \ + } \ + else if (sizeof(TYPE) == 4) { \ + SWAP4BYTE(value); \ + } \ + rgba[i][CHANNEL] = (GLfloat) CONVERSION(value); \ + s += stride; \ + } \ + } \ + else { \ + const TYPE *s = (const TYPE *) src; \ + GLuint i; \ + for (i = 0; i < n; i++) { \ + rgba[i][CHANNEL] = (GLfloat) CONVERSION(s[INDEX]); \ + s += stride; \ + } \ + } + + switch (srcType) { + case GL_UNSIGNED_BYTE: + PROCESS(redIndex, RCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLubyte, UBYTE_TO_FLOAT); + break; + case GL_BYTE: + PROCESS(redIndex, RCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLbyte, BYTE_TO_FLOAT); + break; + case GL_UNSIGNED_SHORT: + PROCESS(redIndex, RCOMP, 0.0F, GLushort, USHORT_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLushort, USHORT_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLushort, USHORT_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLushort, USHORT_TO_FLOAT); + break; + case GL_SHORT: + PROCESS(redIndex, RCOMP, 0.0F, GLshort, SHORT_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLshort, SHORT_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLshort, SHORT_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLshort, SHORT_TO_FLOAT); + break; + case GL_UNSIGNED_INT: + PROCESS(redIndex, RCOMP, 0.0F, GLuint, UINT_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLuint, UINT_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLuint, UINT_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLuint, UINT_TO_FLOAT); + break; + case GL_INT: + PROCESS(redIndex, RCOMP, 0.0F, GLint, INT_TO_FLOAT); + PROCESS(greenIndex, GCOMP, 0.0F, GLint, INT_TO_FLOAT); + PROCESS(blueIndex, BCOMP, 0.0F, GLint, INT_TO_FLOAT); + PROCESS(alphaIndex, ACOMP, 1.0F, GLint, INT_TO_FLOAT); + break; + case GL_FLOAT: + PROCESS(redIndex, RCOMP, 0.0F, GLfloat, (GLfloat)); + PROCESS(greenIndex, GCOMP, 0.0F, GLfloat, (GLfloat)); + PROCESS(blueIndex, BCOMP, 0.0F, GLfloat, (GLfloat)); + PROCESS(alphaIndex, ACOMP, 1.0F, GLfloat, (GLfloat)); + break; + case GL_HALF_FLOAT_ARB: + PROCESS(redIndex, RCOMP, 0.0F, GLhalfARB, _mesa_half_to_float); + PROCESS(greenIndex, GCOMP, 0.0F, GLhalfARB, _mesa_half_to_float); + PROCESS(blueIndex, BCOMP, 0.0F, GLhalfARB, _mesa_half_to_float); + PROCESS(alphaIndex, ACOMP, 1.0F, GLhalfARB, _mesa_half_to_float); + break; + case GL_UNSIGNED_BYTE_3_3_2: + { + const GLubyte *ubsrc = (const GLubyte *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLubyte p = ubsrc[i]; + rgba[i][rComp] = ((p >> 5) ) * (1.0F / 7.0F); + rgba[i][gComp] = ((p >> 2) & 0x7) * (1.0F / 7.0F); + rgba[i][bComp] = ((p ) & 0x3) * (1.0F / 3.0F); + rgba[i][aComp] = 1.0F; + } + } + break; + case GL_UNSIGNED_BYTE_2_3_3_REV: + { + const GLubyte *ubsrc = (const GLubyte *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLubyte p = ubsrc[i]; + rgba[i][rComp] = ((p ) & 0x7) * (1.0F / 7.0F); + rgba[i][gComp] = ((p >> 3) & 0x7) * (1.0F / 7.0F); + rgba[i][bComp] = ((p >> 6) ) * (1.0F / 3.0F); + rgba[i][aComp] = 1.0F; + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F); + rgba[i][bComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = 1.0F; + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F); + rgba[i][bComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = 1.0F; + } + } + break; + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F); + rgba[i][bComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][aComp] = 1.0F; + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x3f) * (1.0F / 63.0F); + rgba[i][bComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][aComp] = 1.0F; + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p >> 12) ) * (1.0F / 15.0F); + rgba[i][gComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F); + rgba[i][bComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F); + rgba[i][aComp] = ((p ) & 0xf) * (1.0F / 15.0F); + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p >> 12) ) * (1.0F / 15.0F); + rgba[i][gComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F); + rgba[i][bComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F); + rgba[i][aComp] = ((p ) & 0xf) * (1.0F / 15.0F); + } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p ) & 0xf) * (1.0F / 15.0F); + rgba[i][gComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F); + rgba[i][bComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F); + rgba[i][aComp] = ((p >> 12) ) * (1.0F / 15.0F); + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p ) & 0xf) * (1.0F / 15.0F); + rgba[i][gComp] = ((p >> 4) & 0xf) * (1.0F / 15.0F); + rgba[i][bComp] = ((p >> 8) & 0xf) * (1.0F / 15.0F); + rgba[i][aComp] = ((p >> 12) ) * (1.0F / 15.0F); + } + } + break; + case GL_UNSIGNED_SHORT_5_5_5_1: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 6) & 0x1f) * (1.0F / 31.0F); + rgba[i][bComp] = ((p >> 1) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = ((p ) & 0x1) * (1.0F / 1.0F); + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p >> 11) ) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 6) & 0x1f) * (1.0F / 31.0F); + rgba[i][bComp] = ((p >> 1) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = ((p ) & 0x1) * (1.0F / 1.0F); + } + } + break; + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (swapBytes) { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + SWAP2BYTE(p); + rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x1f) * (1.0F / 31.0F); + rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = ((p >> 15) ) * (1.0F / 1.0F); + } + } + else { + const GLushort *ussrc = (const GLushort *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLushort p = ussrc[i]; + rgba[i][rComp] = ((p ) & 0x1f) * (1.0F / 31.0F); + rgba[i][gComp] = ((p >> 5) & 0x1f) * (1.0F / 31.0F); + rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F); + rgba[i][aComp] = ((p >> 15) ) * (1.0F / 1.0F); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8: + if (swapBytes) { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff); + rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff); + rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff); + rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24) ); + } + } + else { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) ); + rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff); + rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff); + rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff); + } + } + break; + case GL_UNSIGNED_INT_8_8_8_8_REV: + if (swapBytes) { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24) ); + rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff); + rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff); + rgba[i][aComp] = UBYTE_TO_FLOAT((p ) & 0xff); + } + } + else { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = UBYTE_TO_FLOAT((p ) & 0xff); + rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 8) & 0xff); + rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff); + rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24) ); + } + } + break; + case GL_UNSIGNED_INT_10_10_10_2: + if (swapBytes) { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + SWAP4BYTE(p); + rgba[i][rComp] = ((p >> 22) ) * (1.0F / 1023.0F); + rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][bComp] = ((p >> 2) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][aComp] = ((p ) & 0x3 ) * (1.0F / 3.0F); + } + } + else { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = ((p >> 22) ) * (1.0F / 1023.0F); + rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][bComp] = ((p >> 2) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][aComp] = ((p ) & 0x3 ) * (1.0F / 3.0F); + } + } + break; + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (swapBytes) { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + SWAP4BYTE(p); + rgba[i][rComp] = ((p ) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][aComp] = ((p >> 30) ) * (1.0F / 3.0F); + } + } + else { + const GLuint *uisrc = (const GLuint *) src; + GLuint i; + for (i = 0; i < n; i ++) { + GLuint p = uisrc[i]; + rgba[i][rComp] = ((p ) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F); + rgba[i][aComp] = ((p >> 30) ) * (1.0F / 3.0F); + } + } + break; + default: + _mesa_problem(NULL, "bad srcType in extract float data"); + break; + } +} + + +/* + * Unpack a row of color image data from a client buffer according to + * the pixel unpacking parameters. + * Return GLchan values in the specified dest image format. + * This is used by glDrawPixels and glTexImage?D(). + * \param ctx - the context + * n - number of pixels in the span + * dstFormat - format of destination color array + * dest - the destination color array + * srcFormat - source image format + * srcType - source image data type + * source - source image pointer + * srcPacking - pixel unpacking parameters + * transferOps - bitmask of IMAGE_*_BIT values of operations to apply + * + * XXX perhaps expand this to process whole images someday. + */ +void +_mesa_unpack_color_span_chan( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLchan dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ) +{ + ASSERT(dstFormat == GL_ALPHA || + dstFormat == GL_LUMINANCE || + dstFormat == GL_LUMINANCE_ALPHA || + dstFormat == GL_INTENSITY || + dstFormat == GL_RGB || + dstFormat == GL_RGBA || + dstFormat == GL_COLOR_INDEX); + + ASSERT(srcFormat == GL_RED || + srcFormat == GL_GREEN || + srcFormat == GL_BLUE || + srcFormat == GL_ALPHA || + srcFormat == GL_LUMINANCE || + srcFormat == GL_LUMINANCE_ALPHA || + srcFormat == GL_INTENSITY || + srcFormat == GL_RGB || + srcFormat == GL_BGR || + srcFormat == GL_RGBA || + srcFormat == GL_BGRA || + srcFormat == GL_ABGR_EXT || + srcFormat == GL_COLOR_INDEX); + + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT || + srcType == GL_UNSIGNED_BYTE_3_3_2 || + srcType == GL_UNSIGNED_BYTE_2_3_3_REV || + srcType == GL_UNSIGNED_SHORT_5_6_5 || + srcType == GL_UNSIGNED_SHORT_5_6_5_REV || + srcType == GL_UNSIGNED_SHORT_4_4_4_4 || + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || + srcType == GL_UNSIGNED_SHORT_5_5_5_1 || + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV || + srcType == GL_UNSIGNED_INT_10_10_10_2 || + srcType == GL_UNSIGNED_INT_2_10_10_10_REV); + + /* Try simple cases first */ + if (transferOps == 0) { + if (srcType == CHAN_TYPE) { + if (dstFormat == GL_RGBA) { + if (srcFormat == GL_RGBA) { + MEMCPY( dest, source, n * 4 * sizeof(GLchan) ); + return; + } + else if (srcFormat == GL_RGB) { + GLuint i; + const GLchan *src = (const GLchan *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = src[0]; + dst[1] = src[1]; + dst[2] = src[2]; + dst[3] = CHAN_MAX; + src += 3; + dst += 4; + } + return; + } + } + else if (dstFormat == GL_RGB) { + if (srcFormat == GL_RGB) { + MEMCPY( dest, source, n * 3 * sizeof(GLchan) ); + return; + } + else if (srcFormat == GL_RGBA) { + GLuint i; + const GLchan *src = (const GLchan *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = src[0]; + dst[1] = src[1]; + dst[2] = src[2]; + src += 4; + dst += 3; + } + return; + } + } + else if (dstFormat == srcFormat) { + GLint comps = _mesa_components_in_format(srcFormat); + assert(comps > 0); + MEMCPY( dest, source, n * comps * sizeof(GLchan) ); + return; + } + } + /* + * Common situation, loading 8bit RGBA/RGB source images + * into 16/32 bit destination. (OSMesa16/32) + */ + else if (srcType == GL_UNSIGNED_BYTE) { + if (dstFormat == GL_RGBA) { + if (srcFormat == GL_RGB) { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = UBYTE_TO_CHAN(src[0]); + dst[1] = UBYTE_TO_CHAN(src[1]); + dst[2] = UBYTE_TO_CHAN(src[2]); + dst[3] = CHAN_MAX; + src += 3; + dst += 4; + } + return; + } + else if (srcFormat == GL_RGBA) { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = UBYTE_TO_CHAN(src[0]); + dst[1] = UBYTE_TO_CHAN(src[1]); + dst[2] = UBYTE_TO_CHAN(src[2]); + dst[3] = UBYTE_TO_CHAN(src[3]); + src += 4; + dst += 4; + } + return; + } + } + else if (dstFormat == GL_RGB) { + if (srcFormat == GL_RGB) { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = UBYTE_TO_CHAN(src[0]); + dst[1] = UBYTE_TO_CHAN(src[1]); + dst[2] = UBYTE_TO_CHAN(src[2]); + src += 3; + dst += 3; + } + return; + } + else if (srcFormat == GL_RGBA) { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + GLchan *dst = dest; + for (i = 0; i < n; i++) { + dst[0] = UBYTE_TO_CHAN(src[0]); + dst[1] = UBYTE_TO_CHAN(src[1]); + dst[2] = UBYTE_TO_CHAN(src[2]); + src += 4; + dst += 3; + } + return; + } + } + } + } + + + /* general solution begins here */ + { + GLint dstComponents; + GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex; + GLint dstLuminanceIndex, dstIntensityIndex; + DEFMARRAY(GLfloat, rgba, MAX_WIDTH, 4); /* mac 32k limitation */ + CHECKARRAY(rgba, return); /* mac 32k limitation */ + + dstComponents = _mesa_components_in_format( dstFormat ); + /* source & dest image formats should have been error checked by now */ + assert(dstComponents > 0); + + /* + * Extract image data and convert to RGBA floats + */ + assert(n <= MAX_WIDTH); + if (srcFormat == GL_COLOR_INDEX) { + GLuint indexes[MAX_WIDTH]; + extract_uint_indexes(n, indexes, srcFormat, srcType, source, + srcPacking); + + if (dstFormat == GL_COLOR_INDEX + && (transferOps & IMAGE_MAP_COLOR_BIT)) { + _mesa_map_ci(ctx, n, indexes); + } + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + + if (dstFormat == GL_COLOR_INDEX) { + /* convert to GLchan and return */ + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLchan) (indexes[i] & 0xff); + } + UNDEFARRAY(rgba); /* mac 32k limitation */ + return; + } + else { + /* Convert indexes to RGBA */ + _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); + } + + /* Don't do RGBA scale/bias or RGBA->RGBA mapping if starting + * with color indexes. + */ + transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); + } + else { + /* non-color index data */ + extract_float_rgba(n, rgba, srcFormat, srcType, source, + srcPacking->SwapBytes); + } + + /* Need to clamp if returning GLubytes or GLushorts */ +#if CHAN_TYPE != GL_FLOAT + transferOps |= IMAGE_CLAMP_BIT; +#endif + + if (transferOps) { + _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); + } + + /* Now determine which color channels we need to produce. + * And determine the dest index (offset) within each color tuple. + */ + switch (dstFormat) { + case GL_ALPHA: + dstAlphaIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_LUMINANCE: + dstLuminanceIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstIntensityIndex = -1; + break; + case GL_LUMINANCE_ALPHA: + dstLuminanceIndex = 0; + dstAlphaIndex = 1; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstIntensityIndex = -1; + break; + case GL_INTENSITY: + dstIntensityIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstLuminanceIndex = -1; + break; + case GL_RGB: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_RGBA: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = 3; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + default: + _mesa_problem(ctx, "bad dstFormat in _mesa_unpack_chan_span()"); + UNDEFARRAY(rgba); /* mac 32k limitation */ + return; + } + + + /* Now return the GLchan data in the requested dstFormat */ + + if (dstRedIndex >= 0) { + GLchan *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + CLAMPED_FLOAT_TO_CHAN(dst[dstRedIndex], rgba[i][RCOMP]); + dst += dstComponents; + } + } + + if (dstGreenIndex >= 0) { + GLchan *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + CLAMPED_FLOAT_TO_CHAN(dst[dstGreenIndex], rgba[i][GCOMP]); + dst += dstComponents; + } + } + + if (dstBlueIndex >= 0) { + GLchan *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + CLAMPED_FLOAT_TO_CHAN(dst[dstBlueIndex], rgba[i][BCOMP]); + dst += dstComponents; + } + } + + if (dstAlphaIndex >= 0) { + GLchan *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + CLAMPED_FLOAT_TO_CHAN(dst[dstAlphaIndex], rgba[i][ACOMP]); + dst += dstComponents; + } + } + + if (dstIntensityIndex >= 0) { + GLchan *dst = dest; + GLuint i; + assert(dstIntensityIndex == 0); + assert(dstComponents == 1); + for (i = 0; i < n; i++) { + /* Intensity comes from red channel */ + CLAMPED_FLOAT_TO_CHAN(dst[i], rgba[i][RCOMP]); + } + } + + if (dstLuminanceIndex >= 0) { + GLchan *dst = dest; + GLuint i; + assert(dstLuminanceIndex == 0); + for (i = 0; i < n; i++) { + /* Luminance comes from red channel */ + CLAMPED_FLOAT_TO_CHAN(dst[0], rgba[i][RCOMP]); + dst += dstComponents; + } + } + UNDEFARRAY(rgba); /* mac 32k limitation */ + } +} + + +/** + * Same as _mesa_unpack_color_span_chan(), but return GLfloat data + * instead of GLchan. + */ +void +_mesa_unpack_color_span_float( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ) +{ + ASSERT(dstFormat == GL_ALPHA || + dstFormat == GL_LUMINANCE || + dstFormat == GL_LUMINANCE_ALPHA || + dstFormat == GL_INTENSITY || + dstFormat == GL_RGB || + dstFormat == GL_RGBA || + dstFormat == GL_COLOR_INDEX); + + ASSERT(srcFormat == GL_RED || + srcFormat == GL_GREEN || + srcFormat == GL_BLUE || + srcFormat == GL_ALPHA || + srcFormat == GL_LUMINANCE || + srcFormat == GL_LUMINANCE_ALPHA || + srcFormat == GL_INTENSITY || + srcFormat == GL_RGB || + srcFormat == GL_BGR || + srcFormat == GL_RGBA || + srcFormat == GL_BGRA || + srcFormat == GL_ABGR_EXT || + srcFormat == GL_COLOR_INDEX); + + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT || + srcType == GL_UNSIGNED_BYTE_3_3_2 || + srcType == GL_UNSIGNED_BYTE_2_3_3_REV || + srcType == GL_UNSIGNED_SHORT_5_6_5 || + srcType == GL_UNSIGNED_SHORT_5_6_5_REV || + srcType == GL_UNSIGNED_SHORT_4_4_4_4 || + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || + srcType == GL_UNSIGNED_SHORT_5_5_5_1 || + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV || + srcType == GL_UNSIGNED_INT_10_10_10_2 || + srcType == GL_UNSIGNED_INT_2_10_10_10_REV); + + /* general solution, no special cases, yet */ + { + GLint dstComponents; + GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex; + GLint dstLuminanceIndex, dstIntensityIndex; + DEFMARRAY(GLfloat, rgba, MAX_WIDTH, 4); /* mac 32k limitation */ + CHECKARRAY(rgba, return); /* mac 32k limitation */ + + dstComponents = _mesa_components_in_format( dstFormat ); + /* source & dest image formats should have been error checked by now */ + assert(dstComponents > 0); + + /* + * Extract image data and convert to RGBA floats + */ + assert(n <= MAX_WIDTH); + if (srcFormat == GL_COLOR_INDEX) { + GLuint indexes[MAX_WIDTH]; + extract_uint_indexes(n, indexes, srcFormat, srcType, source, + srcPacking); + + if (dstFormat == GL_COLOR_INDEX + && (transferOps & IMAGE_MAP_COLOR_BIT)) { + _mesa_map_ci(ctx, n, indexes); + } + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + + if (dstFormat == GL_COLOR_INDEX) { + /* convert to GLchan and return */ + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLchan) (indexes[i] & 0xff); + } + UNDEFARRAY(rgba); /* mac 32k limitation */ + return; + } + else { + /* Convert indexes to RGBA */ + _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); + } + + /* Don't do RGBA scale/bias or RGBA->RGBA mapping if starting + * with color indexes. + */ + transferOps &= ~(IMAGE_SCALE_BIAS_BIT | IMAGE_MAP_COLOR_BIT); + } + else { + /* non-color index data */ + extract_float_rgba(n, rgba, srcFormat, srcType, source, + srcPacking->SwapBytes); + } + + if (transferOps) { + _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); + } + + /* Now determine which color channels we need to produce. + * And determine the dest index (offset) within each color tuple. + */ + switch (dstFormat) { + case GL_ALPHA: + dstAlphaIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_LUMINANCE: + dstLuminanceIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstIntensityIndex = -1; + break; + case GL_LUMINANCE_ALPHA: + dstLuminanceIndex = 0; + dstAlphaIndex = 1; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstIntensityIndex = -1; + break; + case GL_INTENSITY: + dstIntensityIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstLuminanceIndex = -1; + break; + case GL_RGB: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_RGBA: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = 3; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + default: + _mesa_problem(ctx, "bad dstFormat in _mesa_unpack_color_span_float()"); + UNDEFARRAY(rgba); /* mac 32k limitation */ + return; + } + + /* Now pack results in the requested dstFormat */ + if (dstRedIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstRedIndex] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + + if (dstGreenIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstGreenIndex] = rgba[i][GCOMP]; + dst += dstComponents; + } + } + + if (dstBlueIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstBlueIndex] = rgba[i][BCOMP]; + dst += dstComponents; + } + } + + if (dstAlphaIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstAlphaIndex] = rgba[i][ACOMP]; + dst += dstComponents; + } + } + + if (dstIntensityIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstIntensityIndex == 0); + assert(dstComponents == 1); + for (i = 0; i < n; i++) { + /* Intensity comes from red channel */ + dst[i] = rgba[i][RCOMP]; + } + } + + if (dstLuminanceIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstLuminanceIndex == 0); + for (i = 0; i < n; i++) { + /* Luminance comes from red channel */ + dst[0] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + UNDEFARRAY(rgba); /* mac 32k limitation */ + } +} + + +/* + * Unpack a row of color index data from a client buffer according to + * the pixel unpacking parameters. + * This is (or will be) used by glDrawPixels, glTexImage[123]D, etc. + * + * Args: ctx - the context + * n - number of pixels + * dstType - destination data type + * dest - destination array + * srcType - source pixel type + * source - source data pointer + * srcPacking - pixel unpacking parameters + * transferOps - the pixel transfer operations to apply + */ +void +_mesa_unpack_index_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ) +{ + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT); + + ASSERT(dstType == GL_UNSIGNED_BYTE || + dstType == GL_UNSIGNED_SHORT || + dstType == GL_UNSIGNED_INT); + + + transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT); + + /* + * Try simple cases first + */ + if (transferOps == 0 && srcType == GL_UNSIGNED_BYTE + && dstType == GL_UNSIGNED_BYTE) { + MEMCPY(dest, source, n * sizeof(GLubyte)); + } + else if (transferOps == 0 && srcType == GL_UNSIGNED_INT + && dstType == GL_UNSIGNED_INT && !srcPacking->SwapBytes) { + MEMCPY(dest, source, n * sizeof(GLuint)); + } + else { + /* + * general solution + */ + GLuint indexes[MAX_WIDTH]; + assert(n <= MAX_WIDTH); + + extract_uint_indexes(n, indexes, GL_COLOR_INDEX, srcType, source, + srcPacking); + + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { + /* shift and offset indexes */ + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + if (transferOps & IMAGE_MAP_COLOR_BIT) { + /* Apply lookup table */ + _mesa_map_ci(ctx, n, indexes); + } + + /* convert to dest type */ + switch (dstType) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLubyte) (indexes[i] & 0xff); + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLushort) (indexes[i] & 0xffff); + } + } + break; + case GL_UNSIGNED_INT: + MEMCPY(dest, indexes, n * sizeof(GLuint)); + break; + default: + _mesa_problem(ctx, "bad dstType in _mesa_unpack_index_span"); + } + } +} + + +void +_mesa_pack_index_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLuint *source, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps ) +{ + GLuint indexes[MAX_WIDTH]; + + ASSERT(n <= MAX_WIDTH); + + transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT); + + if (transferOps & (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT)) { + /* make a copy of input */ + MEMCPY(indexes, source, n * sizeof(GLuint)); + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { + _mesa_shift_and_offset_ci( ctx, n, indexes); + } + if (transferOps & IMAGE_MAP_COLOR_BIT) { + _mesa_map_ci(ctx, n, indexes); + } + source = indexes; + } + + switch (dstType) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + *dst++ = (GLubyte) source[i]; + } + } + break; + case GL_BYTE: + { + GLbyte *dst = (GLbyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLbyte) source[i]; + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLushort) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLshort) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLuint) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLint) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLfloat) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_HALF_FLOAT_ARB: + { + GLhalfARB *dst = (GLhalfARB *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = _mesa_float_to_half((GLfloat) source[i]); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + default: + _mesa_problem(ctx, "bad type in _mesa_pack_index_span"); + } +} + + +/* + * Unpack a row of stencil data from a client buffer according to + * the pixel unpacking parameters. + * This is (or will be) used by glDrawPixels + * + * Args: ctx - the context + * n - number of pixels + * dstType - destination data type + * dest - destination array + * srcType - source pixel type + * source - source data pointer + * srcPacking - pixel unpacking parameters + * transferOps - apply offset/bias/lookup ops? + */ +void +_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ) +{ + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_HALF_FLOAT_ARB || + srcType == GL_FLOAT); + + ASSERT(dstType == GL_UNSIGNED_BYTE || + dstType == GL_UNSIGNED_SHORT || + dstType == GL_UNSIGNED_INT); + + /* only shift and offset apply to stencil */ + transferOps &= IMAGE_SHIFT_OFFSET_BIT; + + /* + * Try simple cases first + */ + if (transferOps == 0 && + srcType == GL_UNSIGNED_BYTE && + dstType == GL_UNSIGNED_BYTE) { + MEMCPY(dest, source, n * sizeof(GLubyte)); + } + else if (transferOps == 0 && + srcType == GL_UNSIGNED_INT && + dstType == GL_UNSIGNED_INT && + !srcPacking->SwapBytes) { + MEMCPY(dest, source, n * sizeof(GLuint)); + } + else { + /* + * general solution + */ + GLuint indexes[MAX_WIDTH]; + assert(n <= MAX_WIDTH); + + extract_uint_indexes(n, indexes, GL_COLOR_INDEX, srcType, source, + srcPacking); + + if (transferOps) { + if (transferOps & IMAGE_SHIFT_OFFSET_BIT) { + /* shift and offset indexes */ + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + + if (ctx->Pixel.MapStencilFlag) { + /* Apply stencil lookup table */ + GLuint mask = ctx->Pixel.MapStoSsize - 1; + GLuint i; + for (i=0;i<n;i++) { + indexes[i] = ctx->Pixel.MapStoS[ indexes[i] & mask ]; + } + } + } + + /* convert to dest type */ + switch (dstType) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLubyte) (indexes[i] & 0xff); + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = (GLushort) (indexes[i] & 0xffff); + } + } + break; + case GL_UNSIGNED_INT: + MEMCPY(dest, indexes, n * sizeof(GLuint)); + break; + default: + _mesa_problem(ctx, "bad dstType in _mesa_unpack_stencil_span"); + } + } +} + + +void +_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLstencil *source, + const struct gl_pixelstore_attrib *dstPacking ) +{ + GLstencil stencil[MAX_WIDTH]; + + ASSERT(n <= MAX_WIDTH); + + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || + ctx->Pixel.MapStencilFlag) { + /* make a copy of input */ + MEMCPY(stencil, source, n * sizeof(GLstencil)); + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { + _mesa_shift_and_offset_stencil( ctx, n, stencil ); + } + if (ctx->Pixel.MapStencilFlag) { + _mesa_map_stencil( ctx, n, stencil ); + } + source = stencil; + } + + switch (dstType) { + case GL_UNSIGNED_BYTE: + if (sizeof(GLstencil) == 8) { + MEMCPY( dest, source, n ); + } + else { + GLubyte *dst = (GLubyte *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLubyte) source[i]; + } + } + break; + case GL_BYTE: + if (sizeof(GLstencil) == 8) { + MEMCPY( dest, source, n ); + } + else { + GLbyte *dst = (GLbyte *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLbyte) source[i]; + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLushort) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLshort) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLuint) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) dest; + GLuint i; + for (i=0;i<n;i++) { + *dst++ = (GLint) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = (GLfloat) source[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_HALF_FLOAT_ARB: + { + GLhalfARB *dst = (GLhalfARB *) dest; + GLuint i; + for (i=0;i<n;i++) { + dst[i] = _mesa_float_to_half( (float) source[i] ); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_BITMAP: + if (dstPacking->LsbFirst) { + GLubyte *dst = (GLubyte *) dest; + GLint shift = 0; + GLuint i; + for (i = 0; i < n; i++) { + if (shift == 0) + *dst = 0; + *dst |= ((source[i] != 0) << shift); + shift++; + if (shift == 8) { + shift = 0; + dst++; + } + } + } + else { + GLubyte *dst = (GLubyte *) dest; + GLint shift = 7; + GLuint i; + for (i = 0; i < n; i++) { + if (shift == 7) + *dst = 0; + *dst |= ((source[i] != 0) << shift); + shift--; + if (shift < 0) { + shift = 7; + dst++; + } + } + } + break; + default: + _mesa_problem(ctx, "bad type in _mesa_pack_index_span"); + } +} + + +void +_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLfloat *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking ) +{ + (void) srcPacking; + + switch (srcType) { + case GL_BYTE: + { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + for (i = 0; i < n; i++) { + dest[i] = BYTE_TO_FLOAT(src[i]); + } + } + break; + case GL_UNSIGNED_BYTE: + { + GLuint i; + const GLubyte *src = (const GLubyte *) source; + for (i = 0; i < n; i++) { + dest[i] = UBYTE_TO_FLOAT(src[i]); + } + } + break; + case GL_SHORT: + { + GLuint i; + const GLshort *src = (const GLshort *) source; + for (i = 0; i < n; i++) { + dest[i] = SHORT_TO_FLOAT(src[i]); + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLuint i; + const GLushort *src = (const GLushort *) source; + for (i = 0; i < n; i++) { + dest[i] = USHORT_TO_FLOAT(src[i]); + } + } + break; + case GL_INT: + { + GLuint i; + const GLint *src = (const GLint *) source; + for (i = 0; i < n; i++) { + dest[i] = INT_TO_FLOAT(src[i]); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint i; + const GLuint *src = (const GLuint *) source; + for (i = 0; i < n; i++) { + dest[i] = UINT_TO_FLOAT(src[i]); + } + } + break; + case GL_FLOAT: + MEMCPY(dest, source, n * sizeof(GLfloat)); + break; + case GL_HALF_FLOAT_ARB: + { + GLuint i; + const GLhalfARB *src = (const GLhalfARB *) source; + for (i = 0; i < n; i++) { + dest[i] = _mesa_half_to_float(src[i]); + } + } + break; + default: + _mesa_problem(NULL, "bad type in _mesa_unpack_depth_span()"); + return; + } + + + /* apply depth scale and bias and clamp to [0,1] */ + if (ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0) { + GLuint i; + for (i = 0; i < n; i++) { + GLfloat d = dest[i] * ctx->Pixel.DepthScale + ctx->Pixel.DepthBias; + dest[i] = CLAMP(d, 0.0F, 1.0F); + } + } +} + + +/* + * Pack an array of depth values. The values are floats in [0,1]. + */ +void +_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest, + GLenum dstType, const GLfloat *depthSpan, + const struct gl_pixelstore_attrib *dstPacking ) +{ + GLfloat depthCopy[MAX_WIDTH]; + const GLboolean bias_or_scale = ctx->Pixel.DepthBias != 0.0 || + ctx->Pixel.DepthScale != 1.0; + + ASSERT(n <= MAX_WIDTH); + + if (bias_or_scale) { + GLuint i; + for (i = 0; i < n; i++) { + GLfloat d; + d = depthSpan[i] * ctx->Pixel.DepthScale + ctx->Pixel.DepthBias; + depthCopy[i] = CLAMP(d, 0.0F, 1.0F); + } + depthSpan = depthCopy; + } + + switch (dstType) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_UBYTE( depthSpan[i] ); + } + } + break; + case GL_BYTE: + { + GLbyte *dst = (GLbyte *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_BYTE( depthSpan[i] ); + } + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_USHORT( depthSpan[i] ); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_SHORT( depthSpan[i] ); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_UINT( depthSpan[i] ); + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = FLOAT_TO_INT( depthSpan[i] ); + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = depthSpan[i]; + } + if (dstPacking->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n ); + } + } + break; + case GL_HALF_FLOAT_ARB: + { + GLhalfARB *dst = (GLhalfARB *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i] = _mesa_float_to_half(depthSpan[i]); + } + if (dstPacking->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n ); + } + } + break; + default: + _mesa_problem(ctx, "bad type in _mesa_pack_depth_span"); + } +} + + +/** + * Unpack image data. Apply byte swapping, byte flipping (bitmap). + * Return all image data in a contiguous block. This is used when we + * compile glDrawPixels, glTexImage, etc into a display list. We + * need a copy of the data in a standard format. + */ +void * +_mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *unpack ) +{ + GLint bytesPerRow, compsPerRow; + GLboolean flipBytes, swap2, swap4; + + if (!pixels) + return NULL; /* not necessarily an error */ + + if (width <= 0 || height <= 0 || depth <= 0) + return NULL; /* generate error later */ + + if (format == GL_BITMAP) { + bytesPerRow = (width + 7) >> 3; + flipBytes = !unpack->LsbFirst; + swap2 = swap4 = GL_FALSE; + compsPerRow = 0; + } + else { + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + const GLint components = _mesa_components_in_format(format); + GLint bytesPerComp; + if (bytesPerPixel <= 0 || components <= 0) + return NULL; /* bad format or type. generate error later */ + bytesPerRow = bytesPerPixel * width; + bytesPerComp = bytesPerPixel / components; + flipBytes = GL_FALSE; + swap2 = (bytesPerComp == 2) && unpack->SwapBytes; + swap4 = (bytesPerComp == 4) && unpack->SwapBytes; + compsPerRow = components * width; + assert(compsPerRow >= width); + } + + { + GLubyte *destBuffer = (GLubyte *) MALLOC(bytesPerRow * height * depth); + GLubyte *dst; + GLint img, row; + if (!destBuffer) + return NULL; /* generate GL_OUT_OF_MEMORY later */ + + dst = destBuffer; + for (img = 0; img < depth; img++) { + for (row = 0; row < height; row++) { + const GLvoid *src = _mesa_image_address(unpack, pixels, + width, height, format, type, img, row, 0); + MEMCPY(dst, src, bytesPerRow); + /* byte flipping/swapping */ + if (flipBytes) { + flip_bytes((GLubyte *) dst, bytesPerRow); + } + else if (swap2) { + _mesa_swap2((GLushort*) dst, compsPerRow); + } + else if (swap4) { + _mesa_swap4((GLuint*) dst, compsPerRow); + } + dst += bytesPerRow; + } + } + return destBuffer; + } +} + +#endif diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h new file mode 100644 index 0000000..c0c65fe --- /dev/null +++ b/src/mesa/main/image.h @@ -0,0 +1,179 @@ +/** + * \file image.h + * Image handling. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef IMAGE_H +#define IMAGE_H + + +#include "mtypes.h" + + +extern void +_mesa_swap2( GLushort *p, GLuint n ); + +extern void +_mesa_swap4( GLuint *p, GLuint n ); + +extern GLint +_mesa_sizeof_type( GLenum type ); + +extern GLint +_mesa_sizeof_packed_type( GLenum type ); + +extern GLint +_mesa_components_in_format( GLenum format ); + +extern GLint +_mesa_bytes_per_pixel( GLenum format, GLenum type ); + +extern GLboolean +_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type ); + + +extern GLvoid * +_mesa_image_address( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, GLsizei width, + GLsizei height, GLenum format, GLenum type, + GLint img, GLint row, GLint column ); + + +extern GLint +_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLenum format, GLenum type ); + + +extern GLint +_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLint height, + GLenum format, GLenum type ); + +extern void +_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32], + const struct gl_pixelstore_attrib *unpacking ); + + +extern void +_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, + const struct gl_pixelstore_attrib *packing ); + + +extern GLvoid * +_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, + const struct gl_pixelstore_attrib *packing ); + +extern void +_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, + GLubyte *dest, const struct gl_pixelstore_attrib *packing ); + + +extern void +_mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLuint transferOps, + GLuint n, GLfloat rgba[][4]); + +extern void +_mesa_pack_rgba_span_float( GLcontext *ctx, + GLuint n, CONST GLfloat rgba[][4], + GLenum dstFormat, GLenum dstType, GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps ); + + +extern void +_mesa_pack_rgba_span_chan( GLcontext *ctx, + GLuint n, CONST GLchan rgba[][4], + GLenum dstFormat, GLenum dstType, GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps ); + + +extern void +_mesa_unpack_color_span_chan( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLchan dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ); + + +extern void +_mesa_unpack_color_span_float( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ); + + +extern void +_mesa_unpack_index_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ); + + +extern void +_mesa_pack_index_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLuint *source, + const struct gl_pixelstore_attrib *dstPacking, + GLuint transferOps ); + + +extern void +_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLuint transferOps ); + +extern void +_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLstencil *source, + const struct gl_pixelstore_attrib *dstPacking ); + + +extern void +_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLfloat *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking ); + +extern void +_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest, + GLenum dstType, const GLfloat *depthSpan, + const struct gl_pixelstore_attrib *dstPacking ); + + +extern void * +_mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *unpack ); + + +#endif diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c new file mode 100644 index 0000000..a49bee8 --- /dev/null +++ b/src/mesa/main/imports.c @@ -0,0 +1,1197 @@ +/** + * \file imports.c + * Standard C library function wrappers. + * + * Imports are services which the device driver or window system or + * operating system provides to the core renderer. The core renderer (Mesa) + * will call these functions in order to do memory allocation, simple I/O, + * etc. + * + * Some drivers will want to override/replace this file with something + * specialized, but that'll be rare. + * + * Eventually, I want to move roll the glheader.h file into this. + * + * The OpenGL SI's __GLimports structure allows per-context specification of + * replacements for the standard C lib functions. In practice that's probably + * never needed; compile-time replacements are far more likely. + * + * The _mesa_*() functions defined here don't in general take a context + * parameter. I guess we can change that someday, if need be. + * So for now, the __GLimports stuff really isn't used. + * + * \todo Functions still needed: + * - scanf + * - qsort + * - bsearch + * - rand and RAND_MAX + * + * \note When compiled into a XFree86 module these functions wrap around + * XFree86 own wrappers. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#include "imports.h" +#include "context.h" +#include "version.h" + + +#define MAXSTRING 4000 /* for vsnprintf() */ + +#ifdef WIN32 +#define vsnprintf _vsnprintf +#elif defined(__IBMC__) || defined(__IBMCPP__) || ( defined(__VMS) && __CRTL_VER < 70312000 ) +extern int vsnprintf(char *str, size_t count, const char *fmt, va_list arg); +#ifdef __VMS +#include "vsnprintf.c" +#endif +#endif + + +/**********************************************************************/ +/** \name Memory */ +/*@{*/ + +/** Wrapper around either malloc() or xf86malloc() */ +void * +_mesa_malloc(size_t bytes) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86malloc(bytes); +#else + return malloc(bytes); +#endif +} + +/** Wrapper around either calloc() or xf86calloc() */ +void * +_mesa_calloc(size_t bytes) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86calloc(1, bytes); +#else + return calloc(1, bytes); +#endif +} + +/** Wrapper around either free() or xf86free() */ +void +_mesa_free(void *ptr) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86free(ptr); +#else + free(ptr); +#endif +} + +/** + * Allocate aligned memory. + * + * \param bytes number of bytes to allocate. + * \param alignment alignment (must be greater than zero). + * + * Allocates extra memory to accommodate rounding up the address for + * alignment and to record the real malloc address. + * + * \sa _mesa_align_free(). + */ +void * +_mesa_align_malloc(size_t bytes, unsigned long alignment) +{ + unsigned long ptr, buf; + + ASSERT( alignment > 0 ); + + ptr = (unsigned long) _mesa_malloc(bytes + alignment + sizeof(void *)); + if (!ptr) + return NULL; + + buf = (ptr + alignment + sizeof(void *)) & ~(unsigned long)(alignment - 1); + *(unsigned long *)(buf - sizeof(void *)) = ptr; + +#ifdef DEBUG + /* mark the non-aligned area */ + while ( ptr < buf - sizeof(void *) ) { + *(unsigned long *)ptr = 0xcdcdcdcd; + ptr += sizeof(unsigned long); + } +#endif + + return (void *) buf; +} + +/** Same as _mesa_align_malloc(), but using _mesa_calloc() instead of + * _mesa_malloc() */ +void * +_mesa_align_calloc(size_t bytes, unsigned long alignment) +{ + unsigned long ptr, buf; + + ASSERT( alignment > 0 ); + + ptr = (unsigned long) _mesa_calloc(bytes + alignment + sizeof(void *)); + if (!ptr) + return NULL; + + buf = (ptr + alignment + sizeof(void *)) & ~(unsigned long)(alignment - 1); + *(unsigned long *)(buf - sizeof(void *)) = ptr; + +#ifdef DEBUG + /* mark the non-aligned area */ + while ( ptr < buf - sizeof(void *) ) { + *(unsigned long *)ptr = 0xcdcdcdcd; + ptr += sizeof(unsigned long); + } +#endif + + return (void *)buf; +} + +/** + * Free memory allocated with _mesa_align_malloc() or _mesa_align_calloc(). + * + * \param ptr pointer to the memory to be freed. + * + * The actual address to free is stored in the word immediately before the + * address the client sees. + */ +void +_mesa_align_free(void *ptr) +{ +#if 0 + _mesa_free( (void *)(*(unsigned long *)((unsigned long)ptr - sizeof(void *))) ); +#else + void **cubbyHole = (void **) ((char *) ptr - sizeof(void *)); + void *realAddr = *cubbyHole; + _mesa_free(realAddr); +#endif +} + +/** Wrapper around either memcpy() or xf86memcpy() */ +void * +_mesa_realloc(void *oldBuffer, size_t oldSize, size_t newSize) +{ + const size_t copySize = (oldSize < newSize) ? oldSize : newSize; + void *newBuffer = _mesa_malloc(newSize); + if (newBuffer && copySize > 0) + _mesa_memcpy(newBuffer, oldBuffer, copySize); + if (oldBuffer) + _mesa_free(oldBuffer); + return newBuffer; +} + + +void * +_mesa_memcpy(void *dest, const void *src, size_t n) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86memcpy(dest, src, n); +#elif defined(SUNOS4) + return memcpy((char *) dest, (char *) src, (int) n); +#else + return memcpy(dest, src, n); +#endif +} + +/** Wrapper around either memset() or xf86memset() */ +void +_mesa_memset( void *dst, int val, size_t n ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86memset( dst, val, n ); +#elif defined(SUNOS4) + memset( (char *) dst, (int) val, (int) n ); +#else + memset(dst, val, n); +#endif +} + +/** Fill memory with a constant 16bit word. + * + * \param dst destination pointer. + * \param val value. + * \param n number of words. + */ +void +_mesa_memset16( unsigned short *dst, unsigned short val, size_t n ) +{ + while (n-- > 0) + *dst++ = val; +} + +/** Wrapper around either memcpy() or xf86memcpy() or bzero() */ +void +_mesa_bzero( void *dst, size_t n ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86memset( dst, 0, n ); +#elif defined(__FreeBSD__) + bzero( dst, n ); +#else + memset( dst, 0, n ); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Math */ +/*@{*/ + +/** Wrapper around either sin() or xf86sin() */ +double +_mesa_sin(double a) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86sin(a); +#else + return sin(a); +#endif +} + +/** Wrapper around either cos() or xf86cos() */ +double +_mesa_cos(double a) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86cos(a); +#else + return cos(a); +#endif +} + +/** Wrapper around either sqrt() or xf86sqrt() */ +double +_mesa_sqrtd(double x) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86sqrt(x); +#else + return sqrt(x); +#endif +} + + +/* + * A High Speed, Low Precision Square Root + * by Paul Lalonde and Robert Dawson + * from "Graphics Gems", Academic Press, 1990 + * + * SPARC implementation of a fast square root by table + * lookup. + * SPARC floating point format is as follows: + * + * BIT 31 30 23 22 0 + * sign exponent mantissa + */ +static short sqrttab[0x100]; /* declare table of square roots */ + +static void init_sqrt_table(void) +{ +#if defined(USE_IEEE) && !defined(DEBUG) + unsigned short i; + fi_type fi; /* to access the bits of a float in C quickly */ + /* we use a union defined in glheader.h */ + + for(i=0; i<= 0x7f; i++) { + fi.i = 0; + + /* + * Build a float with the bit pattern i as mantissa + * and an exponent of 0, stored as 127 + */ + + fi.i = (i << 16) | (127 << 23); + fi.f = _mesa_sqrtd(fi.f); + + /* + * Take the square root then strip the first 7 bits of + * the mantissa into the table + */ + + sqrttab[i] = (fi.i & 0x7fffff) >> 16; + + /* + * Repeat the process, this time with an exponent of + * 1, stored as 128 + */ + + fi.i = 0; + fi.i = (i << 16) | (128 << 23); + fi.f = sqrt(fi.f); + sqrttab[i+0x80] = (fi.i & 0x7fffff) >> 16; + } +#else + (void) sqrttab; /* silence compiler warnings */ +#endif /*HAVE_FAST_MATH*/ +} + + +/** + * Single precision square root. + */ +float +_mesa_sqrtf( float x ) +{ +#if defined(USE_IEEE) && !defined(DEBUG) + fi_type num; + /* to access the bits of a float in C + * we use a union from glheader.h */ + + short e; /* the exponent */ + if (x == 0.0F) return 0.0F; /* check for square root of 0 */ + num.f = x; + e = (num.i >> 23) - 127; /* get the exponent - on a SPARC the */ + /* exponent is stored with 127 added */ + num.i &= 0x7fffff; /* leave only the mantissa */ + if (e & 0x01) num.i |= 0x800000; + /* the exponent is odd so we have to */ + /* look it up in the second half of */ + /* the lookup table, so we set the */ + /* high bit */ + e >>= 1; /* divide the exponent by two */ + /* note that in C the shift */ + /* operators are sign preserving */ + /* for signed operands */ + /* Do the table lookup, based on the quaternary mantissa, + * then reconstruct the result back into a float + */ + num.i = ((sqrttab[num.i >> 16]) << 16) | ((e + 127) << 23); + + return num.f; +#else + return (float) _mesa_sqrtd((double) x); +#endif +} + + +/** + inv_sqrt - A single precision 1/sqrt routine for IEEE format floats. + written by Josh Vanderhoof, based on newsgroup posts by James Van Buskirk + and Vesa Karvonen. +*/ +float +_mesa_inv_sqrtf(float n) +{ +#if defined(USE_IEEE) && !defined(DEBUG) + float r0, x0, y0; + float r1, x1, y1; + float r2, x2, y2; +#if 0 /* not used, see below -BP */ + float r3, x3, y3; +#endif + union { float f; unsigned int i; } u; + unsigned int magic; + + /* + Exponent part of the magic number - + + We want to: + 1. subtract the bias from the exponent, + 2. negate it + 3. divide by two (rounding towards -inf) + 4. add the bias back + + Which is the same as subtracting the exponent from 381 and dividing + by 2. + + floor(-(x - 127) / 2) + 127 = floor((381 - x) / 2) + */ + + magic = 381 << 23; + + /* + Significand part of magic number - + + With the current magic number, "(magic - u.i) >> 1" will give you: + + for 1 <= u.f <= 2: 1.25 - u.f / 4 + for 2 <= u.f <= 4: 1.00 - u.f / 8 + + This isn't a bad approximation of 1/sqrt. The maximum difference from + 1/sqrt will be around .06. After three Newton-Raphson iterations, the + maximum difference is less than 4.5e-8. (Which is actually close + enough to make the following bias academic...) + + To get a better approximation you can add a bias to the magic + number. For example, if you subtract 1/2 of the maximum difference in + the first approximation (.03), you will get the following function: + + for 1 <= u.f <= 2: 1.22 - u.f / 4 + for 2 <= u.f <= 3.76: 0.97 - u.f / 8 + for 3.76 <= u.f <= 4: 0.72 - u.f / 16 + (The 3.76 to 4 range is where the result is < .5.) + + This is the closest possible initial approximation, but with a maximum + error of 8e-11 after three NR iterations, it is still not perfect. If + you subtract 0.0332281 instead of .03, the maximum error will be + 2.5e-11 after three NR iterations, which should be about as close as + is possible. + + for 1 <= u.f <= 2: 1.2167719 - u.f / 4 + for 2 <= u.f <= 3.73: 0.9667719 - u.f / 8 + for 3.73 <= u.f <= 4: 0.7167719 - u.f / 16 + + */ + + magic -= (int)(0.0332281 * (1 << 25)); + + u.f = n; + u.i = (magic - u.i) >> 1; + + /* + Instead of Newton-Raphson, we use Goldschmidt's algorithm, which + allows more parallelism. From what I understand, the parallelism + comes at the cost of less precision, because it lets error + accumulate across iterations. + */ + x0 = 1.0f; + y0 = 0.5f * n; + r0 = u.f; + + x1 = x0 * r0; + y1 = y0 * r0 * r0; + r1 = 1.5f - y1; + + x2 = x1 * r1; + y2 = y1 * r1 * r1; + r2 = 1.5f - y2; + +#if 1 + return x2 * r2; /* we can stop here, and be conformant -BP */ +#else + x3 = x2 * r2; + y3 = y2 * r2 * r2; + r3 = 1.5f - y3; + + return x3 * r3; +#endif +#elif defined(XFree86LOADER) && defined(IN_MODULE) + return 1.0F / xf86sqrt(n); +#else + return (float) (1.0 / sqrt(n)); +#endif +} + + +/** + * Wrapper around either pow() or xf86pow(). + */ +double +_mesa_pow(double x, double y) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86pow(x, y); +#else + return pow(x, y); +#endif +} + + +/** + * Return number of bits set in given GLuint. + */ +unsigned int +_mesa_bitcount(unsigned int n) +{ + unsigned int bits; + for (bits = 0; n > 0; n = n >> 1) { + bits += (n & 1); + } + return bits; +} + + +/** + * Convert a 4-byte float to a 2-byte half float. + * Based on code from: + * http://www.opengl.org/discussion_boards/ubb/Forum3/HTML/008786.html + */ +GLhalfARB +_mesa_float_to_half(float val) +{ + const int flt = *((int *) (void *) &val); + const int flt_m = flt & 0x7fffff; + const int flt_e = (flt >> 23) & 0xff; + const int flt_s = (flt >> 31) & 0x1; + int s, e, m = 0; + GLhalfARB result; + + /* sign bit */ + s = flt_s; + + /* handle special cases */ + if ((flt_e == 0) && (flt_m == 0)) { + /* zero */ + /* m = 0; - already set */ + e = 0; + } + else if ((flt_e == 0) && (flt_m != 0)) { + /* denorm -- denorm float maps to 0 half */ + /* m = 0; - already set */ + e = 0; + } + else if ((flt_e == 0xff) && (flt_m == 0)) { + /* infinity */ + /* m = 0; - already set */ + e = 31; + } + else if ((flt_e == 0xff) && (flt_m != 0)) { + /* NaN */ + m = 1; + e = 31; + } + else { + /* regular number */ + const int new_exp = flt_e - 127; + if (new_exp < -24) { + /* this maps to 0 */ + /* m = 0; - already set */ + e = 0; + } + else if (new_exp < -14) { + /* this maps to a denorm */ + unsigned int exp_val = (unsigned int) (-14 - new_exp); /* 2^-exp_val*/ + e = 0; + switch (exp_val) { + case 0: + _mesa_warning(NULL, + "float_to_half: logical error in denorm creation!\n"); + /* m = 0; - already set */ + break; + case 1: m = 512 + (flt_m >> 14); break; + case 2: m = 256 + (flt_m >> 15); break; + case 3: m = 128 + (flt_m >> 16); break; + case 4: m = 64 + (flt_m >> 17); break; + case 5: m = 32 + (flt_m >> 18); break; + case 6: m = 16 + (flt_m >> 19); break; + case 7: m = 8 + (flt_m >> 20); break; + case 8: m = 4 + (flt_m >> 21); break; + case 9: m = 2 + (flt_m >> 22); break; + case 10: m = 1; break; + } + } + else if (new_exp > 15) { + /* map this value to infinity */ + /* m = 0; - already set */ + e = 31; + } + else { + /* regular */ + e = new_exp + 15; + m = flt_m >> 13; + } + } + + result = (s << 15) | (e << 10) | m; + return result; +} + + +/** + * Convert a 2-byte half float to a 4-byte float. + * Based on code from: + * http://www.opengl.org/discussion_boards/ubb/Forum3/HTML/008786.html + */ +float +_mesa_half_to_float(GLhalfARB val) +{ + /* XXX could also use a 64K-entry lookup table */ + const int m = val & 0x3ff; + const int e = (val >> 10) & 0x1f; + const int s = (val >> 15) & 0x1; + int flt_m, flt_e, flt_s, flt; + float result; + + /* sign bit */ + flt_s = s; + + /* handle special cases */ + if ((e == 0) && (m == 0)) { + /* zero */ + flt_m = 0; + flt_e = 0; + } + else if ((e == 0) && (m != 0)) { + /* denorm -- denorm half will fit in non-denorm single */ + const float half_denorm = 1.0f / 16384.0f; /* 2^-14 */ + float mantissa = ((float) (m)) / 1024.0f; + float sign = s ? -1.0f : 1.0f; + return sign * mantissa * half_denorm; + } + else if ((e == 31) && (m == 0)) { + /* infinity */ + flt_e = 0xff; + flt_m = 0; + } + else if ((e == 31) && (m != 0)) { + /* NaN */ + flt_e = 0xff; + flt_m = 1; + } + else { + /* regular */ + flt_e = e + 112; + flt_m = m << 13; + } + + flt = (flt_s << 31) | (flt_e << 23) | flt_m; + result = *((float *) (void *) &flt); + return result; +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Environment vars */ +/*@{*/ + +/** + * Wrapper for getenv(). + */ +char * +_mesa_getenv( const char *var ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86getenv(var); +#else + return getenv(var); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name String */ +/*@{*/ + +/** Wrapper around either strstr() or xf86strstr() */ +char * +_mesa_strstr( const char *haystack, const char *needle ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strstr(haystack, needle); +#else + return strstr(haystack, needle); +#endif +} + +/** Wrapper around either strncat() or xf86strncat() */ +char * +_mesa_strncat( char *dest, const char *src, size_t n ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strncat(dest, src, n); +#else + return strncat(dest, src, n); +#endif +} + +/** Wrapper around either strcpy() or xf86strcpy() */ +char * +_mesa_strcpy( char *dest, const char *src ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strcpy(dest, src); +#else + return strcpy(dest, src); +#endif +} + +/** Wrapper around either strncpy() or xf86strncpy() */ +char * +_mesa_strncpy( char *dest, const char *src, size_t n ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strncpy(dest, src, n); +#else + return strncpy(dest, src, n); +#endif +} + +/** Wrapper around either strlen() or xf86strlen() */ +size_t +_mesa_strlen( const char *s ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strlen(s); +#else + return strlen(s); +#endif +} + +/** Wrapper around either strcmp() or xf86strcmp() */ +int +_mesa_strcmp( const char *s1, const char *s2 ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strcmp(s1, s2); +#else + return strcmp(s1, s2); +#endif +} + +/** Wrapper around either strncmp() or xf86strncmp() */ +int +_mesa_strncmp( const char *s1, const char *s2, size_t n ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strncmp(s1, s2, n); +#else + return strncmp(s1, s2, n); +#endif +} + +/** Implemented using _mesa_malloc() and _mesa_strcpy */ +char * +_mesa_strdup( const char *s ) +{ + int l = _mesa_strlen(s); + char *s2 = (char *) _mesa_malloc(l + 1); + if (s2) + _mesa_strcpy(s2, s); + return s2; +} + +/** Wrapper around either atoi() or xf86atoi() */ +int +_mesa_atoi(const char *s) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86atoi(s); +#else + return atoi(s); +#endif +} + +/** Wrapper around either strtod() or xf86strtod() */ +double +_mesa_strtod( const char *s, char **end ) +{ +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86strtod(s, end); +#else + return strtod(s, end); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name I/O */ +/*@{*/ + +/** Wrapper around either vsprintf() or xf86vsprintf() */ +int +_mesa_sprintf( char *str, const char *fmt, ... ) +{ + int r; + va_list args; + va_start( args, fmt ); + va_end( args ); +#if defined(XFree86LOADER) && defined(IN_MODULE) + r = xf86vsprintf( str, fmt, args ); +#else + r = vsprintf( str, fmt, args ); +#endif + return r; +} + +/** Wrapper around either printf() or xf86printf(), using vsprintf() for + * the formatting. */ +void +_mesa_printf( const char *fmtString, ... ) +{ + char s[MAXSTRING]; + va_list args; + va_start( args, fmtString ); + vsnprintf(s, MAXSTRING, fmtString, args); + va_end( args ); +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86printf("%s", s); +#else + fprintf(stderr, "%s", s); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Diagnostics */ +/*@{*/ + +/** + * Display a warning. + * + * \param ctx GL context. + * \param fmtString printf() alike format string. + * + * If debugging is enabled (either at compile-time via the DEBUG macro, or + * run-time via the MESA_DEBUG environment variable), prints the warning to + * stderr, either via fprintf() or xf86printf(). + */ +void +_mesa_warning( GLcontext *ctx, const char *fmtString, ... ) +{ + GLboolean debug; + char str[MAXSTRING]; + va_list args; + (void) ctx; + va_start( args, fmtString ); + (void) vsnprintf( str, MAXSTRING, fmtString, args ); + va_end( args ); +#ifdef DEBUG + debug = GL_TRUE; /* always print warning */ +#else + debug = _mesa_getenv("MESA_DEBUG") ? GL_TRUE : GL_FALSE; +#endif + if (debug) { +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86fprintf(stderr, "Mesa warning: %s\n", str); +#else + fprintf(stderr, "Mesa warning: %s\n", str); +#endif + } +} + +/** + * This function is called when the Mesa user has stumbled into a code + * path which may not be implemented fully or correctly. + * + * \param ctx GL context. + * \param s problem description string. + * + * Prints the message to stderr, either via fprintf() or xf86fprintf(). + */ +void +_mesa_problem( const GLcontext *ctx, const char *fmtString, ... ) +{ + va_list args; + char str[MAXSTRING]; + (void) ctx; + + va_start( args, fmtString ); + vsnprintf( str, MAXSTRING, fmtString, args ); + va_end( args ); + +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86fprintf(stderr, "Mesa %s implementation error: %s\n", MESA_VERSION_STRING, str); + xf86fprintf(stderr, "Please report at bugzilla.freedesktop.org\n"); +#else + fprintf(stderr, "Mesa %s implementation error: %s\n", MESA_VERSION_STRING, str); + fprintf(stderr, "Please report at bugzilla.freedesktop.org\n"); +#endif +} + +/** + * Display an error message. + * + * If in debug mode, print error message. + * Also, record the error code by calling _mesa_record_error(). + * + * \param ctx the GL context. + * \param error the error value. + * \param fmtString printf() style format string, followed by optional args + * + * If debugging is enabled (either at compile-time via the DEBUG macro, or + * run-time via the MESA_DEBUG environment variable), interperts the error code and + * prints the error message via _mesa_debug(). + */ +void +_mesa_error( GLcontext *ctx, GLenum error, const char *fmtString, ... ) +{ + const char *debugEnv; + GLboolean debug; + + debugEnv = _mesa_getenv("MESA_DEBUG"); + +#ifdef DEBUG + if (debugEnv && _mesa_strstr(debugEnv, "silent")) + debug = GL_FALSE; + else + debug = GL_TRUE; +#else + if (debugEnv) + debug = GL_TRUE; + else + debug = GL_FALSE; +#endif + + if (debug) { + va_list args; + char where[MAXSTRING]; + const char *errstr; + + va_start( args, fmtString ); + vsnprintf( where, MAXSTRING, fmtString, args ); + va_end( args ); + + switch (error) { + case GL_NO_ERROR: + errstr = "GL_NO_ERROR"; + break; + case GL_INVALID_VALUE: + errstr = "GL_INVALID_VALUE"; + break; + case GL_INVALID_ENUM: + errstr = "GL_INVALID_ENUM"; + break; + case GL_INVALID_OPERATION: + errstr = "GL_INVALID_OPERATION"; + break; + case GL_STACK_OVERFLOW: + errstr = "GL_STACK_OVERFLOW"; + break; + case GL_STACK_UNDERFLOW: + errstr = "GL_STACK_UNDERFLOW"; + break; + case GL_OUT_OF_MEMORY: + errstr = "GL_OUT_OF_MEMORY"; + break; + case GL_TABLE_TOO_LARGE: + errstr = "GL_TABLE_TOO_LARGE"; + break; + default: + errstr = "unknown"; + break; + } + _mesa_debug(ctx, "User error: %s in %s\n", errstr, where); + } + + _mesa_record_error(ctx, error); +} + +/** + * Report debug information. + * + * \param ctx GL context. + * \param fmtString printf() alike format string. + * + * Prints the message to stderr, either via fprintf() or xf86printf(). + */ +void +_mesa_debug( const GLcontext *ctx, const char *fmtString, ... ) +{ + char s[MAXSTRING]; + va_list args; + (void) ctx; + va_start(args, fmtString); + vsnprintf(s, MAXSTRING, fmtString, args); + va_end(args); +#if defined(XFree86LOADER) && defined(IN_MODULE) + xf86fprintf(stderr, "Mesa: %s", s); +#else + fprintf(stderr, "Mesa: %s", s); +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Default Imports Wrapper */ +/*@{*/ + +/** Wrapper around _mesa_malloc() */ +static void * +default_malloc(__GLcontext *gc, size_t size) +{ + (void) gc; + return _mesa_malloc(size); +} + +/** Wrapper around _mesa_malloc() */ +static void * +default_calloc(__GLcontext *gc, size_t numElem, size_t elemSize) +{ + (void) gc; + return _mesa_calloc(numElem * elemSize); +} + +/** Wrapper around either realloc() or xf86realloc() */ +static void * +default_realloc(__GLcontext *gc, void *oldAddr, size_t newSize) +{ + (void) gc; +#if defined(XFree86LOADER) && defined(IN_MODULE) + return xf86realloc(oldAddr, newSize); +#else + return realloc(oldAddr, newSize); +#endif +} + +/** Wrapper around _mesa_free() */ +static void +default_free(__GLcontext *gc, void *addr) +{ + (void) gc; + _mesa_free(addr); +} + +/** Wrapper around _mesa_getenv() */ +static char * CAPI +default_getenv( __GLcontext *gc, const char *var ) +{ + (void) gc; + return _mesa_getenv(var); +} + +/** Wrapper around _mesa_warning() */ +static void +default_warning(__GLcontext *gc, char *str) +{ + _mesa_warning(gc, str); +} + +/** Wrapper around _mesa_problem() */ +static void +default_fatal(__GLcontext *gc, char *str) +{ + _mesa_problem(gc, str); + abort(); +} + +/** Wrapper around atoi() */ +static int CAPI +default_atoi(__GLcontext *gc, const char *str) +{ + (void) gc; + return atoi(str); +} + +/** Wrapper around vsprintf() */ +static int CAPI +default_sprintf(__GLcontext *gc, char *str, const char *fmt, ...) +{ + int r; + va_list args; + (void) gc; + va_start( args, fmt ); + r = vsprintf( str, fmt, args ); + va_end( args ); + return r; +} + +/** Wrapper around fopen() */ +static void * CAPI +default_fopen(__GLcontext *gc, const char *path, const char *mode) +{ + (void) gc; + return fopen(path, mode); +} + +/** Wrapper around fclose() */ +static int CAPI +default_fclose(__GLcontext *gc, void *stream) +{ + (void) gc; + return fclose((FILE *) stream); +} + +/** Wrapper around vfprintf() */ +static int CAPI +default_fprintf(__GLcontext *gc, void *stream, const char *fmt, ...) +{ + int r; + va_list args; + (void) gc; + va_start( args, fmt ); + r = vfprintf( (FILE *) stream, fmt, args ); + va_end( args ); + return r; +} + +/** + * \todo this really is driver-specific and can't be here + */ +static __GLdrawablePrivate * +default_GetDrawablePrivate(__GLcontext *gc) +{ + (void) gc; + return NULL; +} + +/*@}*/ + + +/** + * Initialize a __GLimports object to point to the functions in this + * file. + * + * This is to be called from device drivers. + * + * Also, do some one-time initializations. + * + * \param imports the object to initialize. + * \param driverCtx pointer to device driver-specific data. + */ +void +_mesa_init_default_imports(__GLimports *imports, void *driverCtx) +{ + /* XXX maybe move this one-time init stuff into context.c */ + static GLboolean initialized = GL_FALSE; + if (!initialized) { + init_sqrt_table(); + +#if defined(_FPU_GETCW) && defined(_FPU_SETCW) + { + const char *debug = _mesa_getenv("MESA_DEBUG"); + if (debug && _mesa_strcmp(debug, "FP")==0) { + /* die on FP exceptions */ + fpu_control_t mask; + _FPU_GETCW(mask); + mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM + | _FPU_MASK_OM | _FPU_MASK_UM); + _FPU_SETCW(mask); + } + } +#endif + initialized = GL_TRUE; + } + + imports->malloc = default_malloc; + imports->calloc = default_calloc; + imports->realloc = default_realloc; + imports->free = default_free; + imports->warning = default_warning; + imports->fatal = default_fatal; + imports->getenv = default_getenv; /* not used for now */ + imports->atoi = default_atoi; + imports->sprintf = default_sprintf; + imports->fopen = default_fopen; + imports->fclose = default_fclose; + imports->fprintf = default_fprintf; + imports->getDrawablePrivate = default_GetDrawablePrivate; + imports->other = driverCtx; +} diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h new file mode 100644 index 0000000..86480c8 --- /dev/null +++ b/src/mesa/main/imports.h @@ -0,0 +1,783 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file imports.h + * Standard C library function wrappers. + * + * This file provides wrappers for all the standard C library functions + * like malloc(), free(), printf(), getenv(), etc. + */ + + +#ifndef IMPORTS_H +#define IMPORTS_H + + +/* XXX some of the stuff in glheader.h should be moved into this file. + */ +#include "glheader.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +/**********************************************************************/ +/** \name General macros */ +/*@{*/ + +#ifndef NULL +#define NULL 0 +#endif + +/*@}*/ + + +/**********************************************************************/ +/** Memory macros */ +/*@{*/ + +/** Allocate \p BYTES bytes */ +#define MALLOC(BYTES) _mesa_malloc(BYTES) +/** Allocate and zero \p BYTES bytes */ +#define CALLOC(BYTES) _mesa_calloc(BYTES) +/** Allocate a structure of type \p T */ +#define MALLOC_STRUCT(T) (struct T *) _mesa_malloc(sizeof(struct T)) +/** Allocate and zero a structure of type \p T */ +#define CALLOC_STRUCT(T) (struct T *) _mesa_calloc(sizeof(struct T)) +/** Free memory */ +#define FREE(PTR) _mesa_free(PTR) + +/** Allocate \p BYTES aligned at \p N bytes */ +#define ALIGN_MALLOC(BYTES, N) _mesa_align_malloc(BYTES, N) +/** Allocate and zero \p BYTES bytes aligned at \p N bytes */ +#define ALIGN_CALLOC(BYTES, N) _mesa_align_calloc(BYTES, N) +/** Allocate a structure of type \p T aligned at \p N bytes */ +#define ALIGN_MALLOC_STRUCT(T, N) (struct T *) _mesa_align_malloc(sizeof(struct T), N) +/** Allocate and zero a structure of type \p T aligned at \p N bytes */ +#define ALIGN_CALLOC_STRUCT(T, N) (struct T *) _mesa_align_calloc(sizeof(struct T), N) +/** Free aligned memory */ +#define ALIGN_FREE(PTR) _mesa_align_free(PTR) + +/** Copy \p BYTES bytes from \p SRC into \p DST */ +#define MEMCPY( DST, SRC, BYTES) _mesa_memcpy(DST, SRC, BYTES) +/** Set \p N bytes in \p DST to \p VAL */ +#define MEMSET( DST, VAL, N ) _mesa_memset(DST, VAL, N) + +#define MEMSET16( DST, VAL, N ) _mesa_memset16( (DST), (VAL), (size_t) (N) ) + +/*@}*/ + + +/* + * For GL_ARB_vertex_buffer_object we need to treat vertex array pointers + * as offsets into buffer stores. Since the vertex array pointer and + * buffer store pointer are both pointers and we need to add them, we use + * this macro. + * Both pointers/offsets are expressed in bytes. + */ +#define ADD_POINTERS(A, B) ( (A) + (unsigned long) (B) ) + + +/**********************************************************************/ +/** \name [Pseudo] static array declaration. + * + * MACs and BeOS don't support static larger than 32kb, so ... + */ +/*@{*/ + +/** + * \def DEFARRAY + * Define a [static] unidimensional array + */ + +/** + * \def DEFMARRAY + * Define a [static] bi-dimensional array + */ + +/** + * \def DEFMNARRAY + * Define a [static] tri-dimensional array + */ + +/** + * \def CHECKARRAY + * Verifies a [static] array was properly allocated. + */ + +/** + * \def UNDEFARRAY + * Undefine (free) a [static] array. + */ + +#if defined(macintosh) && !defined(__MRC__) +/*extern char *AGLAlloc(int size);*/ +/*extern void AGLFree(char* ptr);*/ +# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)_mesa_alloc(sizeof(TYPE)*(SIZE)) +# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])_mesa_alloc(sizeof(TYPE)*(SIZE1)*(SIZE2)) +# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE (*NAME)[SIZE2][SIZE3] = (TYPE(*)[SIZE2][SIZE3])_mesa_alloc(sizeof(TYPE)*(SIZE1)*(SIZE2)*(SIZE3)) +# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0) +# define UNDEFARRAY(NAME) do {if ((NAME)) {_mesa_free((char*)NAME);} }while (0) +#elif defined(__BEOS__) +# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)_mesa_malloc(sizeof(TYPE)*(SIZE)) +# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])_mesa_malloc(sizeof(TYPE)*(SIZE1)*(SIZE2)) +# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE (*NAME)[SIZE2][SIZE3] = (TYPE(*)[SIZE2][SIZE3])_mesa_malloc(sizeof(TYPE)*(SIZE1)*(SIZE2)*(SIZE3)) +# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0) +# define UNDEFARRAY(NAME) do {if ((NAME)) {_mesa_free((char*)NAME);} }while (0) +#else +# define DEFARRAY(TYPE,NAME,SIZE) TYPE NAME[SIZE] +# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE NAME[SIZE1][SIZE2] +# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE NAME[SIZE1][SIZE2][SIZE3] +# define CHECKARRAY(NAME,CMD) do {} while(0) +# define UNDEFARRAY(NAME) +#endif + +/*@}*/ + + +/**********************************************************************/ +/** \name External pixel buffer allocation. + * + * If you want Mesa's depth/stencil/accum/etc buffers to be allocated with a + * specialized allocator you can define MESA_EXTERNAL_BUFFERALLOC and implement + * _ext_mesa_alloc_pixelbuffer() _ext_mesa_free_pixelbuffer() in your + * application. + * + * \author + * Contributed by Gerk Huisma (gerk@five-d.demon.nl). + */ +/*@{*/ + +/** + * \def MESA_PBUFFER_ALLOC + * Allocate a pixel buffer. + */ + +/** + * \def MESA_PBUFFER_FREE + * Free a pixel buffer. + */ + +#ifdef MESA_EXTERNAL_BUFFERALLOC +extern void *_ext_mesa_alloc_pixelbuffer( unsigned int size ); +extern void _ext_mesa_free_pixelbuffer( void *pb ); + +#define MESA_PBUFFER_ALLOC(BYTES) (void *) _ext_mesa_alloc_pixelbuffer(BYTES) +#define MESA_PBUFFER_FREE(PTR) _ext_mesa_free_pixelbuffer(PTR) +#else +/* Default buffer allocation uses the aligned allocation routines: */ +#define MESA_PBUFFER_ALLOC(BYTES) (void *) _mesa_align_malloc(BYTES, 512) +#define MESA_PBUFFER_FREE(PTR) _mesa_align_free(PTR) +#endif + +/*@}*/ + + + +/********************************************************************** + * Math macros + */ + +#define MAX_GLUSHORT 0xffff +#define MAX_GLUINT 0xffffffff + +#ifndef M_PI +#define M_PI (3.1415926536) +#endif + +/* XXX this is a bit of a hack needed for compilation within XFree86 */ +#ifndef FLT_MIN +#define FLT_MIN (1.0e-37) +#endif + +/* Degrees to radians conversion: */ +#define DEG2RAD (M_PI/180.0) + + +/*** + *** USE_IEEE: Determine if we're using IEEE floating point + ***/ +#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \ + defined(__s390x__) || defined(__powerpc__) || \ + defined(__amd64__) || \ + defined(ia64) || defined(__ia64__) || \ + defined(__hppa__) || defined(hpux) || \ + defined(__mips) || defined(_MIPS_ARCH) || \ + defined(__arm__) || \ + (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS))) +#define USE_IEEE +#define IEEE_ONE 0x3f800000 +#endif + + +/*** + *** SQRTF: single-precision square root + ***/ +#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */ +# define SQRTF(X) _mesa_sqrtf(X) +#elif defined(XFree86LOADER) && defined(IN_MODULE) +# define SQRTF(X) (float) xf86sqrt((float) (X)) +#else +# define SQRTF(X) (float) sqrt((float) (X)) +#endif + + +/*** + *** INV_SQRTF: single-precision inverse square root + ***/ +#if 0 +#define INV_SQRTF(X) _mesa_inv_sqrt(X) +#else +#define INV_SQRTF(X) (1.0F / SQRTF(X)) /* this is faster on a P4 */ +#endif + + +/*** + *** LOG2: Log base 2 of float + ***/ +#ifdef USE_IEEE +#if 0 +/* This is pretty fast, but not accurate enough (only 2 fractional bits). + * Based on code from http://www.stereopsis.com/log2.html + */ +static INLINE GLfloat LOG2(GLfloat x) +{ + const GLfloat y = x * x * x * x; + const GLuint ix = *((GLuint *) &y); + const GLuint exp = (ix >> 23) & 0xFF; + const GLint log2 = ((GLint) exp) - 127; + return (GLfloat) log2 * (1.0 / 4.0); /* 4, because of x^4 above */ +} +#endif +/* Pretty fast, and accurate. + * Based on code from http://www.flipcode.com/totd/ + */ +static INLINE GLfloat LOG2(GLfloat val) +{ + fi_type num; + GLint log_2; + num.f = val; + log_2 = ((num.i >> 23) & 255) - 128; + num.i &= ~(255 << 23); + num.i += 127 << 23; + num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3; + return num.f + log_2; +} +#elif defined(XFree86LOADER) && defined(IN_MODULE) +#define LOG2(x) ((GLfloat) (xf86log(x) * 1.442695)) +#else +/* + * NOTE: log_base_2(x) = log(x) / log(2) + * NOTE: 1.442695 = 1/log(2). + */ +#define LOG2(x) ((GLfloat) (log(x) * 1.442695F)) +#endif + + +/*** + *** IS_INF_OR_NAN: test if float is infinite or NaN + ***/ +#ifdef USE_IEEE +static INLINE int IS_INF_OR_NAN( float x ) +{ + fi_type tmp; + tmp.f = x; + return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31); +} +#elif defined(isfinite) +#define IS_INF_OR_NAN(x) (!isfinite(x)) +#elif defined(finite) +#define IS_INF_OR_NAN(x) (!finite(x)) +#elif defined(__VMS) +#define IS_INF_OR_NAN(x) (!finite(x)) +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +#define IS_INF_OR_NAN(x) (!isfinite(x)) +#else +#define IS_INF_OR_NAN(x) (!finite(x)) +#endif + + +/*** + *** IS_NEGATIVE: test if float is negative + ***/ +#if defined(USE_IEEE) +#define GET_FLOAT_BITS(x) ((fi_type *) &(x))->i +#define IS_NEGATIVE(x) (GET_FLOAT_BITS(x) & (1<<31)) +#else +#define IS_NEGATIVE(x) (x < 0.0F) +#endif + + +/*** + *** DIFFERENT_SIGNS: test if two floats have opposite signs + ***/ +#if defined(USE_IEEE) +#define DIFFERENT_SIGNS(x,y) ((GET_FLOAT_BITS(x) ^ GET_FLOAT_BITS(y)) & (1<<31)) +#else +/* Could just use (x*y<0) except for the flatshading requirements. + * Maybe there's a better way? + */ +#define DIFFERENT_SIGNS(x,y) ((x) * (y) <= 0.0F && (x) - (y) != 0.0F) +#endif + + +/*** + *** CEILF: ceiling of float + *** FLOORF: floor of float + *** FABSF: absolute value of float + ***/ +#if defined(XFree86LOADER) && defined(IN_MODULE) +#define CEILF(x) ((GLfloat) xf86ceil(x)) +#define FLOORF(x) ((GLfloat) xf86floor(x)) +#define FABSF(x) ((GLfloat) xf86fabs(x)) +#elif defined(__gnu_linux__) +/* C99 functions */ +#define CEILF(x) ceilf(x) +#define FLOORF(x) floorf(x) +#define FABSF(x) fabsf(x) +#else +#define CEILF(x) ((GLfloat) ceil(x)) +#define FLOORF(x) ((GLfloat) floor(x)) +#define FABSF(x) ((GLfloat) fabs(x)) +#endif + + +/*** + *** IROUND: return (as an integer) float rounded to nearest integer + ***/ +#if defined(USE_SPARC_ASM) && defined(__GNUC__) && defined(__sparc__) +static INLINE int iround(float f) +{ + int r; + __asm__ ("fstoi %1, %0" : "=f" (r) : "f" (f)); + return r; +} +#define IROUND(x) iround(x) +#elif defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) && \ + (!defined(__BEOS__) || (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))) +static INLINE int iround(float f) +{ + int r; + __asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st"); + return r; +} +#define IROUND(x) iround(x) +#elif defined(USE_X86_ASM) && defined(__MSC__) && defined(__WIN32__) +static INLINE int iround(float f) +{ + int r; + _asm { + fld f + fistp r + } + return r; +} +#define IROUND(x) iround(x) +#elif defined(__WATCOMC__) && defined(__386__) +long iround(float f); +#pragma aux iround = \ + "push eax" \ + "fistp dword ptr [esp]" \ + "pop eax" \ + parm [8087] \ + value [eax] \ + modify exact [eax]; +#define IROUND(x) iround(x) +#else +#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F))) +#endif + + +/*** + *** IROUND_POS: return (as an integer) positive float rounded to nearest int + ***/ +#ifdef DEBUG +#define IROUND_POS(f) (assert((f) >= 0.0F), IROUND(f)) +#else +#define IROUND_POS(f) (IROUND(f)) +#endif + + +/*** + *** IFLOOR: return (as an integer) floor of float + ***/ +#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) +/* + * IEEE floor for computers that round to nearest or even. + * 'f' must be between -4194304 and 4194303. + * This floor operation is done by "(iround(f + .5) + iround(f - .5)) >> 1", + * but uses some IEEE specific tricks for better speed. + * Contributed by Josh Vanderhoof + */ +static INLINE int ifloor(float f) +{ + int ai, bi; + double af, bf; + af = (3 << 22) + 0.5 + (double)f; + bf = (3 << 22) + 0.5 - (double)f; + /* GCC generates an extra fstp/fld without this. */ + __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st"); + __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st"); + return (ai - bi) >> 1; +} +#define IFLOOR(x) ifloor(x) +#elif defined(USE_IEEE) +static INLINE int ifloor(float f) +{ + int ai, bi; + double af, bf; + fi_type u; + + af = (3 << 22) + 0.5 + (double)f; + bf = (3 << 22) + 0.5 - (double)f; + u.f = (float) af; ai = u.i; + u.f = (float) bf; bi = u.i; + return (ai - bi) >> 1; +} +#define IFLOOR(x) ifloor(x) +#else +static INLINE int ifloor(float f) +{ + int i = IROUND(f); + return (i > f) ? i - 1 : i; +} +#define IFLOOR(x) ifloor(x) +#endif + + +/*** + *** ICEIL: return (as an integer) ceiling of float + ***/ +#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) +/* + * IEEE ceil for computers that round to nearest or even. + * 'f' must be between -4194304 and 4194303. + * This ceil operation is done by "(iround(f + .5) + iround(f - .5) + 1) >> 1", + * but uses some IEEE specific tricks for better speed. + * Contributed by Josh Vanderhoof + */ +static INLINE int iceil(float f) +{ + int ai, bi; + double af, bf; + af = (3 << 22) + 0.5 + (double)f; + bf = (3 << 22) + 0.5 - (double)f; + /* GCC generates an extra fstp/fld without this. */ + __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st"); + __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st"); + return (ai - bi + 1) >> 1; +} +#define ICEIL(x) iceil(x) +#elif defined(USE_IEEE) +static INLINE int iceil(float f) +{ + int ai, bi; + double af, bf; + fi_type u; + af = (3 << 22) + 0.5 + (double)f; + bf = (3 << 22) + 0.5 - (double)f; + u.f = (float) af; ai = u.i; + u.f = (float) bf; bi = u.i; + return (ai - bi + 1) >> 1; +} +#define ICEIL(x) iceil(x) +#else +static INLINE int iceil(float f) +{ + int i = IROUND(f); + return (i < f) ? i + 1 : i; +} +#define ICEIL(x) iceil(x) +#endif + + +/*** + *** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255] + *** CLAMPED_FLOAT_TO_UBYTE: map float known to be in [0,1] to ubyte in [0,255] + ***/ +#if defined(USE_IEEE) && !defined(DEBUG) +#define IEEE_0996 0x3f7f0000 /* 0.996 or so */ +/* This function/macro is sensitive to precision. Test very carefully + * if you change it! + */ +#define UNCLAMPED_FLOAT_TO_UBYTE(UB, F) \ + do { \ + fi_type __tmp; \ + __tmp.f = (F); \ + if (__tmp.i < 0) \ + UB = (GLubyte) 0; \ + else if (__tmp.i >= IEEE_0996) \ + UB = (GLubyte) 255; \ + else { \ + __tmp.f = __tmp.f * (255.0F/256.0F) + 32768.0F; \ + UB = (GLubyte) __tmp.i; \ + } \ + } while (0) +#define CLAMPED_FLOAT_TO_UBYTE(UB, F) \ + do { \ + fi_type __tmp; \ + __tmp.f = (F) * (255.0F/256.0F) + 32768.0F; \ + UB = (GLubyte) __tmp.i; \ + } while (0) +#else +#define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \ + ub = ((GLubyte) IROUND(CLAMP((f), 0.0F, 1.0F) * 255.0F)) +#define CLAMPED_FLOAT_TO_UBYTE(ub, f) \ + ub = ((GLubyte) IROUND((f) * 255.0F)) +#endif + + +/*** + *** COPY_FLOAT: copy a float from src to dest, avoid slow FP regs if possible + ***/ +#if defined(USE_IEEE) && !defined(DEBUG) +#define COPY_FLOAT( dst, src ) \ + ((fi_type *) &(dst))->i = ((fi_type *) (void *) &(src))->i +#else +#define COPY_FLOAT( dst, src ) (dst) = (src) +#endif + + +/*** + *** START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save + *** original mode to a temporary). + *** END_FAST_MATH: Restore x86 FPU to original mode. + ***/ +#if defined(__GNUC__) && defined(__i386__) +/* + * Set the x86 FPU control word to guarentee only 32 bits of precision + * are stored in registers. Allowing the FPU to store more introduces + * differences between situations where numbers are pulled out of memory + * vs. situations where the compiler is able to optimize register usage. + * + * In the worst case, we force the compiler to use a memory access to + * truncate the float, by specifying the 'volatile' keyword. + */ +/* Hardware default: All exceptions masked, extended double precision, + * round to nearest (IEEE compliant): + */ +#define DEFAULT_X86_FPU 0x037f +/* All exceptions masked, single precision, round to nearest: + */ +#define FAST_X86_FPU 0x003f +/* The fldcw instruction will cause any pending FP exceptions to be + * raised prior to entering the block, and we clear any pending + * exceptions before exiting the block. Hence, asm code has free + * reign over the FPU while in the fast math block. + */ +#if defined(NO_FAST_MATH) +#define START_FAST_MATH(x) \ +do { \ + static GLuint mask = DEFAULT_X86_FPU; \ + __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ + __asm__ ( "fldcw %0" : : "m" (mask) ); \ +} while (0) +#else +#define START_FAST_MATH(x) \ +do { \ + static GLuint mask = FAST_X86_FPU; \ + __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ + __asm__ ( "fldcw %0" : : "m" (mask) ); \ +} while (0) +#endif +/* Restore original FPU mode, and clear any exceptions that may have + * occurred in the FAST_MATH block. + */ +#define END_FAST_MATH(x) \ +do { \ + __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \ +} while (0) + +#elif defined(__WATCOMC__) && defined(__386__) +#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ +#define FAST_X86_FPU 0x003f /* See GCC comments above */ +void _watcom_start_fast_math(unsigned short *x,unsigned short *mask); +#pragma aux _watcom_start_fast_math = \ + "fnstcw word ptr [eax]" \ + "fldcw word ptr [ecx]" \ + parm [eax] [ecx] \ + modify exact []; +void _watcom_end_fast_math(unsigned short *x); +#pragma aux _watcom_end_fast_math = \ + "fnclex" \ + "fldcw word ptr [eax]" \ + parm [eax] \ + modify exact []; +#if defined(NO_FAST_MATH) +#define START_FAST_MATH(x) \ +do { \ + static GLushort mask = DEFAULT_X86_FPU; \ + _watcom_start_fast_math(&x,&mask); \ +} while (0) +#else +#define START_FAST_MATH(x) \ +do { \ + static GLushort mask = FAST_X86_FPU; \ + _watcom_start_fast_math(&x,&mask); \ +} while (0) +#endif +#define END_FAST_MATH(x) _watcom_end_fast_math(&x) +#else +#define START_FAST_MATH(x) x = 0 +#define END_FAST_MATH(x) (void)(x) +#endif + + + +/********************************************************************** + * Functions + */ + +extern void * +_mesa_malloc( size_t bytes ); + +extern void * +_mesa_calloc( size_t bytes ); + +extern void +_mesa_free( void *ptr ); + +extern void * +_mesa_align_malloc( size_t bytes, unsigned long alignment ); + +extern void * +_mesa_align_calloc( size_t bytes, unsigned long alignment ); + +extern void +_mesa_align_free( void *ptr ); + +extern void * +_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize ); + +extern void * +_mesa_memcpy( void *dest, const void *src, size_t n ); + +extern void +_mesa_memset( void *dst, int val, size_t n ); + +extern void +_mesa_memset16( unsigned short *dst, unsigned short val, size_t n ); + +extern void +_mesa_bzero( void *dst, size_t n ); + + +extern double +_mesa_sin(double a); + +extern double +_mesa_cos(double a); + +extern double +_mesa_sqrtd(double x); + +extern float +_mesa_sqrtf(float x); + +extern float +_mesa_inv_sqrtf(float x); + +extern double +_mesa_pow(double x, double y); + +extern float +_mesa_log2(float x); + +extern unsigned int +_mesa_bitcount(unsigned int n); + +extern GLhalfARB +_mesa_float_to_half(float f); + +extern float +_mesa_half_to_float(GLhalfARB h); + + +extern char * +_mesa_getenv( const char *var ); + +extern char * +_mesa_strstr( const char *haystack, const char *needle ); + +extern char * +_mesa_strncat( char *dest, const char *src, size_t n ); + +extern char * +_mesa_strcpy( char *dest, const char *src ); + +extern char * +_mesa_strncpy( char *dest, const char *src, size_t n ); + +extern size_t +_mesa_strlen( const char *s ); + +extern int +_mesa_strcmp( const char *s1, const char *s2 ); + +extern int +_mesa_strncmp( const char *s1, const char *s2, size_t n ); + +extern char * +_mesa_strdup( const char *s ); + +extern int +_mesa_atoi( const char *s ); + +extern double +_mesa_strtod( const char *s, char **end ); + +extern int +_mesa_sprintf( char *str, const char *fmt, ... ); + +extern void +_mesa_printf( const char *fmtString, ... ); + + +extern void +_mesa_warning( __GLcontext *gc, const char *fmtString, ... ); + +extern void +_mesa_problem( const __GLcontext *ctx, const char *fmtString, ... ); + +extern void +_mesa_error( __GLcontext *ctx, GLenum error, const char *fmtString, ... ); + +extern void +_mesa_debug( const __GLcontext *ctx, const char *fmtString, ... ); + + +extern void +_mesa_init_default_imports( __GLimports *imports, void *driverCtx ); + + +#ifdef __cplusplus +} +#endif + + +#endif /* IMPORTS_H */ diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c new file mode 100644 index 0000000..0cf2635 --- /dev/null +++ b/src/mesa/main/light.c @@ -0,0 +1,1316 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "enums.h" +#include "light.h" +#include "macros.h" +#include "simple_list.h" +#include "mtypes.h" +#include "math/m_matrix.h" + + +void GLAPIENTRY +_mesa_ShadeModel( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glShadeModel %s\n", _mesa_lookup_enum_by_nr(mode)); + + if (mode != GL_FLAT && mode != GL_SMOOTH) { + _mesa_error( ctx, GL_INVALID_ENUM, "glShadeModel" ); + return; + } + + if (ctx->Light.ShadeModel == mode) + return; + + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.ShadeModel = mode; + ctx->_TriangleCaps ^= DD_FLATSHADE; + if (ctx->Driver.ShadeModel) + (*ctx->Driver.ShadeModel)( ctx, mode ); +} + + +void GLAPIENTRY +_mesa_Lightf( GLenum light, GLenum pname, GLfloat param ) +{ + _mesa_Lightfv( light, pname, ¶m ); +} + + +void GLAPIENTRY +_mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i = (GLint) (light - GL_LIGHT0); + struct gl_light *l = &ctx->Light.Light[i]; + + if (i < 0 || i >= (GLint) ctx->Const.MaxLights) { + _mesa_error( ctx, GL_INVALID_ENUM, "glLight(light=0x%x)", light ); + return; + } + + switch (pname) { + case GL_AMBIENT: + if (TEST_EQ_4V(l->Ambient, params)) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_4V( l->Ambient, params ); + break; + case GL_DIFFUSE: + if (TEST_EQ_4V(l->Diffuse, params)) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_4V( l->Diffuse, params ); + break; + case GL_SPECULAR: + if (TEST_EQ_4V(l->Specular, params)) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_4V( l->Specular, params ); + break; + case GL_POSITION: { + GLfloat tmp[4]; + /* transform position by ModelView matrix */ + TRANSFORM_POINT( tmp, ctx->ModelviewMatrixStack.Top->m, params ); + if (TEST_EQ_4V(l->EyePosition, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_4V(l->EyePosition, tmp); + if (l->EyePosition[3] != 0.0F) + l->_Flags |= LIGHT_POSITIONAL; + else + l->_Flags &= ~LIGHT_POSITIONAL; + break; + } + case GL_SPOT_DIRECTION: { + GLfloat tmp[4]; + /* transform direction by inverse modelview */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + } + TRANSFORM_NORMAL( tmp, params, ctx->ModelviewMatrixStack.Top->inv ); + if (TEST_EQ_3V(l->EyeDirection, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_3V(l->EyeDirection, tmp); + break; + } + case GL_SPOT_EXPONENT: + if (params[0]<0.0 || params[0]>ctx->Const.MaxSpotExponent) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLight" ); + return; + } + if (l->SpotExponent == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + l->SpotExponent = params[0]; + _mesa_invalidate_spot_exp_table( l ); + break; + case GL_SPOT_CUTOFF: + if ((params[0]<0.0 || params[0]>90.0) && params[0]!=180.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLight" ); + return; + } + if (l->SpotCutoff == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + l->SpotCutoff = params[0]; + l->_CosCutoff = (GLfloat) _mesa_cos(params[0]*DEG2RAD); + if (l->_CosCutoff < 0) + l->_CosCutoff = 0; + if (l->SpotCutoff != 180.0F) + l->_Flags |= LIGHT_SPOT; + else + l->_Flags &= ~LIGHT_SPOT; + break; + case GL_CONSTANT_ATTENUATION: + if (params[0]<0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLight" ); + return; + } + if (l->ConstantAttenuation == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + l->ConstantAttenuation = params[0]; + break; + case GL_LINEAR_ATTENUATION: + if (params[0]<0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLight" ); + return; + } + if (l->LinearAttenuation == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + l->LinearAttenuation = params[0]; + break; + case GL_QUADRATIC_ATTENUATION: + if (params[0]<0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLight" ); + return; + } + if (l->QuadraticAttenuation == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + l->QuadraticAttenuation = params[0]; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glLight(pname=0x%x)", pname ); + return; + } + + if (ctx->Driver.Lightfv) + ctx->Driver.Lightfv( ctx, light, pname, params ); +} + + +void GLAPIENTRY +_mesa_Lighti( GLenum light, GLenum pname, GLint param ) +{ + _mesa_Lightiv( light, pname, ¶m ); +} + + +void GLAPIENTRY +_mesa_Lightiv( GLenum light, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_POSITION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + fparam[3] = (GLfloat) params[3]; + break; + case GL_SPOT_DIRECTION: + fparam[0] = (GLfloat) params[0]; + fparam[1] = (GLfloat) params[1]; + fparam[2] = (GLfloat) params[2]; + break; + case GL_SPOT_EXPONENT: + case GL_SPOT_CUTOFF: + case GL_CONSTANT_ATTENUATION: + case GL_LINEAR_ATTENUATION: + case GL_QUADRATIC_ATTENUATION: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* error will be caught later in gl_Lightfv */ + ; + } + + _mesa_Lightfv( light, pname, fparam ); +} + + + +void GLAPIENTRY +_mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint l = (GLint) (light - GL_LIGHT0); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (l < 0 || l >= (GLint) ctx->Const.MaxLights) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetLightfv" ); + return; + } + + switch (pname) { + case GL_AMBIENT: + COPY_4V( params, ctx->Light.Light[l].Ambient ); + break; + case GL_DIFFUSE: + COPY_4V( params, ctx->Light.Light[l].Diffuse ); + break; + case GL_SPECULAR: + COPY_4V( params, ctx->Light.Light[l].Specular ); + break; + case GL_POSITION: + COPY_4V( params, ctx->Light.Light[l].EyePosition ); + break; + case GL_SPOT_DIRECTION: + COPY_3V( params, ctx->Light.Light[l].EyeDirection ); + break; + case GL_SPOT_EXPONENT: + params[0] = ctx->Light.Light[l].SpotExponent; + break; + case GL_SPOT_CUTOFF: + params[0] = ctx->Light.Light[l].SpotCutoff; + break; + case GL_CONSTANT_ATTENUATION: + params[0] = ctx->Light.Light[l].ConstantAttenuation; + break; + case GL_LINEAR_ATTENUATION: + params[0] = ctx->Light.Light[l].LinearAttenuation; + break; + case GL_QUADRATIC_ATTENUATION: + params[0] = ctx->Light.Light[l].QuadraticAttenuation; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetLightfv" ); + break; + } +} + + +void GLAPIENTRY +_mesa_GetLightiv( GLenum light, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint l = (GLint) (light - GL_LIGHT0); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (l < 0 || l >= (GLint) ctx->Const.MaxLights) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetLightiv" ); + return; + } + + switch (pname) { + case GL_AMBIENT: + params[0] = FLOAT_TO_INT(ctx->Light.Light[l].Ambient[0]); + params[1] = FLOAT_TO_INT(ctx->Light.Light[l].Ambient[1]); + params[2] = FLOAT_TO_INT(ctx->Light.Light[l].Ambient[2]); + params[3] = FLOAT_TO_INT(ctx->Light.Light[l].Ambient[3]); + break; + case GL_DIFFUSE: + params[0] = FLOAT_TO_INT(ctx->Light.Light[l].Diffuse[0]); + params[1] = FLOAT_TO_INT(ctx->Light.Light[l].Diffuse[1]); + params[2] = FLOAT_TO_INT(ctx->Light.Light[l].Diffuse[2]); + params[3] = FLOAT_TO_INT(ctx->Light.Light[l].Diffuse[3]); + break; + case GL_SPECULAR: + params[0] = FLOAT_TO_INT(ctx->Light.Light[l].Specular[0]); + params[1] = FLOAT_TO_INT(ctx->Light.Light[l].Specular[1]); + params[2] = FLOAT_TO_INT(ctx->Light.Light[l].Specular[2]); + params[3] = FLOAT_TO_INT(ctx->Light.Light[l].Specular[3]); + break; + case GL_POSITION: + params[0] = (GLint) ctx->Light.Light[l].EyePosition[0]; + params[1] = (GLint) ctx->Light.Light[l].EyePosition[1]; + params[2] = (GLint) ctx->Light.Light[l].EyePosition[2]; + params[3] = (GLint) ctx->Light.Light[l].EyePosition[3]; + break; + case GL_SPOT_DIRECTION: + params[0] = (GLint) ctx->Light.Light[l].EyeDirection[0]; + params[1] = (GLint) ctx->Light.Light[l].EyeDirection[1]; + params[2] = (GLint) ctx->Light.Light[l].EyeDirection[2]; + break; + case GL_SPOT_EXPONENT: + params[0] = (GLint) ctx->Light.Light[l].SpotExponent; + break; + case GL_SPOT_CUTOFF: + params[0] = (GLint) ctx->Light.Light[l].SpotCutoff; + break; + case GL_CONSTANT_ATTENUATION: + params[0] = (GLint) ctx->Light.Light[l].ConstantAttenuation; + break; + case GL_LINEAR_ATTENUATION: + params[0] = (GLint) ctx->Light.Light[l].LinearAttenuation; + break; + case GL_QUADRATIC_ATTENUATION: + params[0] = (GLint) ctx->Light.Light[l].QuadraticAttenuation; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetLightiv" ); + break; + } +} + + + +/**********************************************************************/ +/*** Light Model ***/ +/**********************************************************************/ + + +void GLAPIENTRY +_mesa_LightModelfv( GLenum pname, const GLfloat *params ) +{ + GLenum newenum; + GLboolean newbool; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (pname) { + case GL_LIGHT_MODEL_AMBIENT: + if (TEST_EQ_4V( ctx->Light.Model.Ambient, params )) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + COPY_4V( ctx->Light.Model.Ambient, params ); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + newbool = (params[0]!=0.0); + if (ctx->Light.Model.LocalViewer == newbool) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.Model.LocalViewer = newbool; + break; + case GL_LIGHT_MODEL_TWO_SIDE: + newbool = (params[0]!=0.0); + if (ctx->Light.Model.TwoSide == newbool) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.Model.TwoSide = newbool; + + if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) + ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE; + else + ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE; + break; + case GL_LIGHT_MODEL_COLOR_CONTROL: + if (params[0] == (GLfloat) GL_SINGLE_COLOR) + newenum = GL_SINGLE_COLOR; + else if (params[0] == (GLfloat) GL_SEPARATE_SPECULAR_COLOR) + newenum = GL_SEPARATE_SPECULAR_COLOR; + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glLightModel(param=0x0%x)", + (GLint) params[0] ); + return; + } + if (ctx->Light.Model.ColorControl == newenum) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.Model.ColorControl = newenum; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glLightModel(pname=0x%x)", pname ); + break; + } + + if (ctx->Driver.LightModelfv) + ctx->Driver.LightModelfv( ctx, pname, params ); +} + + +void GLAPIENTRY +_mesa_LightModeliv( GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + + switch (pname) { + case GL_LIGHT_MODEL_AMBIENT: + fparam[0] = INT_TO_FLOAT( params[0] ); + fparam[1] = INT_TO_FLOAT( params[1] ); + fparam[2] = INT_TO_FLOAT( params[2] ); + fparam[3] = INT_TO_FLOAT( params[3] ); + break; + case GL_LIGHT_MODEL_LOCAL_VIEWER: + case GL_LIGHT_MODEL_TWO_SIDE: + case GL_LIGHT_MODEL_COLOR_CONTROL: + fparam[0] = (GLfloat) params[0]; + break; + default: + /* Error will be caught later in gl_LightModelfv */ + ; + } + _mesa_LightModelfv( pname, fparam ); +} + + +void GLAPIENTRY +_mesa_LightModeli( GLenum pname, GLint param ) +{ + _mesa_LightModeliv( pname, ¶m ); +} + + +void GLAPIENTRY +_mesa_LightModelf( GLenum pname, GLfloat param ) +{ + _mesa_LightModelfv( pname, ¶m ); +} + + + +/********** MATERIAL **********/ + + +/* + * Given a face and pname value (ala glColorMaterial), compute a bitmask + * of the targeted material values. + */ +GLuint +_mesa_material_bitmask( GLcontext *ctx, GLenum face, GLenum pname, + GLuint legal, const char *where ) +{ + GLuint bitmask = 0; + + /* Make a bitmask indicating what material attribute(s) we're updating */ + switch (pname) { + case GL_EMISSION: + bitmask |= MAT_BIT_FRONT_EMISSION | MAT_BIT_BACK_EMISSION; + break; + case GL_AMBIENT: + bitmask |= MAT_BIT_FRONT_AMBIENT | MAT_BIT_BACK_AMBIENT; + break; + case GL_DIFFUSE: + bitmask |= MAT_BIT_FRONT_DIFFUSE | MAT_BIT_BACK_DIFFUSE; + break; + case GL_SPECULAR: + bitmask |= MAT_BIT_FRONT_SPECULAR | MAT_BIT_BACK_SPECULAR; + break; + case GL_SHININESS: + bitmask |= MAT_BIT_FRONT_SHININESS | MAT_BIT_BACK_SHININESS; + break; + case GL_AMBIENT_AND_DIFFUSE: + bitmask |= MAT_BIT_FRONT_AMBIENT | MAT_BIT_BACK_AMBIENT; + bitmask |= MAT_BIT_FRONT_DIFFUSE | MAT_BIT_BACK_DIFFUSE; + break; + case GL_COLOR_INDEXES: + bitmask |= MAT_BIT_FRONT_INDEXES | MAT_BIT_BACK_INDEXES; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, where ); + return 0; + } + + if (face==GL_FRONT) { + bitmask &= FRONT_MATERIAL_BITS; + } + else if (face==GL_BACK) { + bitmask &= BACK_MATERIAL_BITS; + } + else if (face != GL_FRONT_AND_BACK) { + _mesa_error( ctx, GL_INVALID_ENUM, where ); + return 0; + } + + if (bitmask & ~legal) { + _mesa_error( ctx, GL_INVALID_ENUM, where ); + return 0; + } + + return bitmask; +} + + + +/* Perform a straight copy between materials. + */ +void +_mesa_copy_materials( struct gl_material *dst, + const struct gl_material *src, + GLuint bitmask ) +{ + int i; + + for (i = 0 ; i < MAT_ATTRIB_MAX ; i++) + if (bitmask & (1<<i)) + COPY_4FV( dst->Attrib[i], src->Attrib[i] ); +} + + + +/* Update derived values following a change in ctx->Light.Material + */ +void +_mesa_update_material( GLcontext *ctx, GLuint bitmask ) +{ + struct gl_light *light, *list = &ctx->Light.EnabledList; + GLfloat (*mat)[4] = ctx->Light.Material.Attrib; + + if (MESA_VERBOSE&VERBOSE_IMMEDIATE) + _mesa_debug(ctx, "_mesa_update_material, mask 0x%x\n", bitmask); + + if (!bitmask) + return; + + /* update material ambience */ + if (bitmask & MAT_BIT_FRONT_AMBIENT) { + foreach (light, list) { + SCALE_3V( light->_MatAmbient[0], light->Ambient, + mat[MAT_ATTRIB_FRONT_AMBIENT]); + } + } + + if (bitmask & MAT_BIT_BACK_AMBIENT) { + foreach (light, list) { + SCALE_3V( light->_MatAmbient[1], light->Ambient, + mat[MAT_ATTRIB_BACK_AMBIENT]); + } + } + + /* update BaseColor = emission + scene's ambience * material's ambience */ + if (bitmask & (MAT_BIT_FRONT_EMISSION | MAT_BIT_FRONT_AMBIENT)) { + COPY_3V( ctx->Light._BaseColor[0], mat[MAT_ATTRIB_FRONT_EMISSION] ); + ACC_SCALE_3V( ctx->Light._BaseColor[0], mat[MAT_ATTRIB_FRONT_AMBIENT], + ctx->Light.Model.Ambient ); + } + + if (bitmask & (MAT_BIT_BACK_EMISSION | MAT_BIT_BACK_AMBIENT)) { + COPY_3V( ctx->Light._BaseColor[1], mat[MAT_ATTRIB_BACK_EMISSION] ); + ACC_SCALE_3V( ctx->Light._BaseColor[1], mat[MAT_ATTRIB_BACK_AMBIENT], + ctx->Light.Model.Ambient ); + } + + /* update material diffuse values */ + if (bitmask & MAT_BIT_FRONT_DIFFUSE) { + foreach (light, list) { + SCALE_3V( light->_MatDiffuse[0], light->Diffuse, + mat[MAT_ATTRIB_FRONT_DIFFUSE] ); + } + } + + if (bitmask & MAT_BIT_BACK_DIFFUSE) { + foreach (light, list) { + SCALE_3V( light->_MatDiffuse[1], light->Diffuse, + mat[MAT_ATTRIB_BACK_DIFFUSE] ); + } + } + + /* update material specular values */ + if (bitmask & MAT_BIT_FRONT_SPECULAR) { + foreach (light, list) { + SCALE_3V( light->_MatSpecular[0], light->Specular, + mat[MAT_ATTRIB_FRONT_SPECULAR]); + } + } + + if (bitmask & MAT_BIT_BACK_SPECULAR) { + foreach (light, list) { + SCALE_3V( light->_MatSpecular[1], light->Specular, + mat[MAT_ATTRIB_BACK_SPECULAR]); + } + } + + if (bitmask & MAT_BIT_FRONT_SHININESS) { + _mesa_invalidate_shine_table( ctx, 0 ); + } + + if (bitmask & MAT_BIT_BACK_SHININESS) { + _mesa_invalidate_shine_table( ctx, 1 ); + } +} + + +/* + * Update the current materials from the given rgba color + * according to the bitmask in ColorMaterialBitmask, which is + * set by glColorMaterial(). + */ +void +_mesa_update_color_material( GLcontext *ctx, const GLfloat color[4] ) +{ + GLuint bitmask = ctx->Light.ColorMaterialBitmask; + struct gl_material *mat = &ctx->Light.Material; + int i; + + for (i = 0 ; i < MAT_ATTRIB_MAX ; i++) + if (bitmask & (1<<i)) + COPY_4FV( mat->Attrib[i], color ); + + _mesa_update_material( ctx, bitmask ); +} + + +void GLAPIENTRY +_mesa_ColorMaterial( GLenum face, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint bitmask; + GLuint legal = (MAT_BIT_FRONT_EMISSION | MAT_BIT_BACK_EMISSION | + MAT_BIT_FRONT_SPECULAR | MAT_BIT_BACK_SPECULAR | + MAT_BIT_FRONT_DIFFUSE | MAT_BIT_BACK_DIFFUSE | + MAT_BIT_FRONT_AMBIENT | MAT_BIT_BACK_AMBIENT); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glColorMaterial %s %s\n", + _mesa_lookup_enum_by_nr(face), + _mesa_lookup_enum_by_nr(mode)); + + bitmask = _mesa_material_bitmask(ctx, face, mode, legal, "glColorMaterial"); + + if (ctx->Light.ColorMaterialBitmask == bitmask && + ctx->Light.ColorMaterialFace == face && + ctx->Light.ColorMaterialMode == mode) + return; + + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.ColorMaterialBitmask = bitmask; + ctx->Light.ColorMaterialFace = face; + ctx->Light.ColorMaterialMode = mode; + + if (ctx->Light.ColorMaterialEnabled) { + FLUSH_CURRENT( ctx, 0 ); + _mesa_update_color_material(ctx,ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); + } + + if (ctx->Driver.ColorMaterial) + (*ctx->Driver.ColorMaterial)( ctx, face, mode ); +} + + +void GLAPIENTRY +_mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint f; + GLfloat (*mat)[4] = ctx->Light.Material.Attrib; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* update materials */ + + FLUSH_CURRENT(ctx, 0); /* update ctx->Light.Material from vertex buffer */ + + if (face==GL_FRONT) { + f = 0; + } + else if (face==GL_BACK) { + f = 1; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMaterialfv(face)" ); + return; + } + + switch (pname) { + case GL_AMBIENT: + COPY_4FV( params, mat[MAT_ATTRIB_AMBIENT(f)] ); + break; + case GL_DIFFUSE: + COPY_4FV( params, mat[MAT_ATTRIB_DIFFUSE(f)] ); + break; + case GL_SPECULAR: + COPY_4FV( params, mat[MAT_ATTRIB_SPECULAR(f)] ); + break; + case GL_EMISSION: + COPY_4FV( params, mat[MAT_ATTRIB_EMISSION(f)] ); + break; + case GL_SHININESS: + *params = mat[MAT_ATTRIB_SHININESS(f)][0]; + break; + case GL_COLOR_INDEXES: + params[0] = mat[MAT_ATTRIB_INDEXES(f)][0]; + params[1] = mat[MAT_ATTRIB_INDEXES(f)][1]; + params[2] = mat[MAT_ATTRIB_INDEXES(f)][2]; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMaterialfv(pname)" ); + } +} + + +void GLAPIENTRY +_mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint f; + GLfloat (*mat)[4] = ctx->Light.Material.Attrib; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* update materials */ + + FLUSH_CURRENT(ctx, 0); /* update ctx->Light.Material from vertex buffer */ + + if (face==GL_FRONT) { + f = 0; + } + else if (face==GL_BACK) { + f = 1; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMaterialiv(face)" ); + return; + } + switch (pname) { + case GL_AMBIENT: + params[0] = FLOAT_TO_INT( mat[MAT_ATTRIB_AMBIENT(f)][0] ); + params[1] = FLOAT_TO_INT( mat[MAT_ATTRIB_AMBIENT(f)][1] ); + params[2] = FLOAT_TO_INT( mat[MAT_ATTRIB_AMBIENT(f)][2] ); + params[3] = FLOAT_TO_INT( mat[MAT_ATTRIB_AMBIENT(f)][3] ); + break; + case GL_DIFFUSE: + params[0] = FLOAT_TO_INT( mat[MAT_ATTRIB_DIFFUSE(f)][0] ); + params[1] = FLOAT_TO_INT( mat[MAT_ATTRIB_DIFFUSE(f)][1] ); + params[2] = FLOAT_TO_INT( mat[MAT_ATTRIB_DIFFUSE(f)][2] ); + params[3] = FLOAT_TO_INT( mat[MAT_ATTRIB_DIFFUSE(f)][3] ); + break; + case GL_SPECULAR: + params[0] = FLOAT_TO_INT( mat[MAT_ATTRIB_SPECULAR(f)][0] ); + params[1] = FLOAT_TO_INT( mat[MAT_ATTRIB_SPECULAR(f)][1] ); + params[2] = FLOAT_TO_INT( mat[MAT_ATTRIB_SPECULAR(f)][2] ); + params[3] = FLOAT_TO_INT( mat[MAT_ATTRIB_SPECULAR(f)][3] ); + break; + case GL_EMISSION: + params[0] = FLOAT_TO_INT( mat[MAT_ATTRIB_EMISSION(f)][0] ); + params[1] = FLOAT_TO_INT( mat[MAT_ATTRIB_EMISSION(f)][1] ); + params[2] = FLOAT_TO_INT( mat[MAT_ATTRIB_EMISSION(f)][2] ); + params[3] = FLOAT_TO_INT( mat[MAT_ATTRIB_EMISSION(f)][3] ); + break; + case GL_SHININESS: + *params = IROUND( mat[MAT_ATTRIB_SHININESS(f)][0] ); + break; + case GL_COLOR_INDEXES: + params[0] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][0] ); + params[1] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][1] ); + params[2] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][2] ); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetMaterialfv(pname)" ); + } +} + + + +/**********************************************************************/ +/***** Lighting computation *****/ +/**********************************************************************/ + + +/* + * Notes: + * When two-sided lighting is enabled we compute the color (or index) + * for both the front and back side of the primitive. Then, when the + * orientation of the facet is later learned, we can determine which + * color (or index) to use for rendering. + * + * KW: We now know orientation in advance and only shade for + * the side or sides which are actually required. + * + * Variables: + * n = normal vector + * V = vertex position + * P = light source position + * Pe = (0,0,0,1) + * + * Precomputed: + * IF P[3]==0 THEN + * // light at infinity + * IF local_viewer THEN + * _VP_inf_norm = unit vector from V to P // Precompute + * ELSE + * // eye at infinity + * _h_inf_norm = Normalize( VP + <0,0,1> ) // Precompute + * ENDIF + * ENDIF + * + * Functions: + * Normalize( v ) = normalized vector v + * Magnitude( v ) = length of vector v + */ + + + +/* + * Whenever the spotlight exponent for a light changes we must call + * this function to recompute the exponent lookup table. + */ +void +_mesa_invalidate_spot_exp_table( struct gl_light *l ) +{ + l->_SpotExpTable[0][0] = -1; +} + + +static void +validate_spot_exp_table( struct gl_light *l ) +{ + GLint i; + GLdouble exponent = l->SpotExponent; + GLdouble tmp = 0; + GLint clamp = 0; + + l->_SpotExpTable[0][0] = 0.0; + + for (i = EXP_TABLE_SIZE - 1; i > 0 ;i--) { + if (clamp == 0) { + tmp = _mesa_pow(i / (GLdouble) (EXP_TABLE_SIZE - 1), exponent); + if (tmp < FLT_MIN * 100.0) { + tmp = 0.0; + clamp = 1; + } + } + l->_SpotExpTable[i][0] = (GLfloat) tmp; + } + for (i = 0; i < EXP_TABLE_SIZE - 1; i++) { + l->_SpotExpTable[i][1] = (l->_SpotExpTable[i+1][0] - + l->_SpotExpTable[i][0]); + } + l->_SpotExpTable[EXP_TABLE_SIZE-1][1] = 0.0; +} + + + +/* Calculate a new shine table. Doing this here saves a branch in + * lighting, and the cost of doing it early may be partially offset + * by keeping a MRU cache of shine tables for various shine values. + */ +void +_mesa_invalidate_shine_table( GLcontext *ctx, GLuint side ) +{ + ASSERT(side < 2); + if (ctx->_ShineTable[side]) + ctx->_ShineTable[side]->refcount--; + ctx->_ShineTable[side] = 0; +} + + +static void +validate_shine_table( GLcontext *ctx, GLuint side, GLfloat shininess ) +{ + struct gl_shine_tab *list = ctx->_ShineTabList; + struct gl_shine_tab *s; + + ASSERT(side < 2); + + foreach(s, list) + if ( s->shininess == shininess ) + break; + + if (s == list) { + GLint j; + GLfloat *m; + + foreach(s, list) + if (s->refcount == 0) + break; + + m = s->tab; + m[0] = 0.0; + if (shininess == 0.0) { + for (j = 1 ; j <= SHINE_TABLE_SIZE ; j++) + m[j] = 1.0; + } + else { + for (j = 1 ; j < SHINE_TABLE_SIZE ; j++) { + GLdouble t, x = j / (GLfloat) (SHINE_TABLE_SIZE - 1); + if (x < 0.005) /* underflow check */ + x = 0.005; + t = _mesa_pow(x, shininess); + if (t > 1e-20) + m[j] = (GLfloat) t; + else + m[j] = 0.0; + } + m[SHINE_TABLE_SIZE] = 1.0; + } + + s->shininess = shininess; + } + + if (ctx->_ShineTable[side]) + ctx->_ShineTable[side]->refcount--; + + ctx->_ShineTable[side] = s; + move_to_tail( list, s ); + s->refcount++; +} + + +void +_mesa_validate_all_lighting_tables( GLcontext *ctx ) +{ + GLuint i; + GLfloat shininess; + + shininess = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SHININESS][0]; + if (!ctx->_ShineTable[0] || ctx->_ShineTable[0]->shininess != shininess) + validate_shine_table( ctx, 0, shininess ); + + shininess = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_SHININESS][0]; + if (!ctx->_ShineTable[1] || ctx->_ShineTable[1]->shininess != shininess) + validate_shine_table( ctx, 1, shininess ); + + for (i = 0 ; i < MAX_LIGHTS ; i++) + if (ctx->Light.Light[i]._SpotExpTable[0][0] == -1) + validate_spot_exp_table( &ctx->Light.Light[i] ); +} + + + +/* + * Examine current lighting parameters to determine if the optimized lighting + * function can be used. + * Also, precompute some lighting values such as the products of light + * source and material ambient, diffuse and specular coefficients. + */ +void +_mesa_update_lighting( GLcontext *ctx ) +{ + struct gl_light *light; + ctx->Light._NeedEyeCoords = 0; + ctx->Light._Flags = 0; + + if (!ctx->Light.Enabled) + return; + + foreach(light, &ctx->Light.EnabledList) { + ctx->Light._Flags |= light->_Flags; + } + + ctx->Light._NeedVertices = + ((ctx->Light._Flags & (LIGHT_POSITIONAL|LIGHT_SPOT)) || + ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR || + ctx->Light.Model.LocalViewer); + + ctx->Light._NeedEyeCoords = ((ctx->Light._Flags & LIGHT_POSITIONAL) || + ctx->Light.Model.LocalViewer); + + + + /* XXX: This test is overkill & needs to be fixed both for software and + * hardware t&l drivers. The above should be sufficient & should + * be tested to verify this. + */ + if (ctx->Light._NeedVertices) + ctx->Light._NeedEyeCoords = GL_TRUE; + + + /* Precompute some shading values. Although we reference + * Light.Material here, we can get away without flushing + * FLUSH_UPDATE_CURRENT, as when any outstanding material changes + * are flushed, they will update the derived state at that time. + */ + if (ctx->Visual.rgbMode) { + if (ctx->Light.Model.TwoSide) + _mesa_update_material( ctx, + MAT_BIT_FRONT_EMISSION | + MAT_BIT_FRONT_AMBIENT | + MAT_BIT_FRONT_DIFFUSE | + MAT_BIT_FRONT_SPECULAR | + MAT_BIT_BACK_EMISSION | + MAT_BIT_BACK_AMBIENT | + MAT_BIT_BACK_DIFFUSE | + MAT_BIT_BACK_SPECULAR); + else + _mesa_update_material( ctx, + MAT_BIT_FRONT_EMISSION | + MAT_BIT_FRONT_AMBIENT | + MAT_BIT_FRONT_DIFFUSE | + MAT_BIT_FRONT_SPECULAR); + } + else { + static const GLfloat ci[3] = { .30F, .59F, .11F }; + foreach(light, &ctx->Light.EnabledList) { + light->_dli = DOT3(ci, light->Diffuse); + light->_sli = DOT3(ci, light->Specular); + } + } +} + + +/* _NEW_MODELVIEW + * _NEW_LIGHT + * _TNL_NEW_NEED_EYE_COORDS + * + * Update on (_NEW_MODELVIEW | _NEW_LIGHT) when lighting is enabled. + * Also update on lighting space changes. + */ +static void +compute_light_positions( GLcontext *ctx ) +{ + struct gl_light *light; + static const GLfloat eye_z[3] = { 0, 0, 1 }; + + if (!ctx->Light.Enabled) + return; + + if (ctx->_NeedEyeCoords) { + COPY_3V( ctx->_EyeZDir, eye_z ); + } + else { + TRANSFORM_NORMAL( ctx->_EyeZDir, eye_z, ctx->ModelviewMatrixStack.Top->m ); + } + + foreach (light, &ctx->Light.EnabledList) { + + if (ctx->_NeedEyeCoords) { + COPY_4FV( light->_Position, light->EyePosition ); + } + else { + TRANSFORM_POINT( light->_Position, ctx->ModelviewMatrixStack.Top->inv, + light->EyePosition ); + } + + if (!(light->_Flags & LIGHT_POSITIONAL)) { + /* VP (VP) = Normalize( Position ) */ + COPY_3V( light->_VP_inf_norm, light->_Position ); + NORMALIZE_3FV( light->_VP_inf_norm ); + + if (!ctx->Light.Model.LocalViewer) { + /* _h_inf_norm = Normalize( V_to_P + <0,0,1> ) */ + ADD_3V( light->_h_inf_norm, light->_VP_inf_norm, ctx->_EyeZDir); + NORMALIZE_3FV( light->_h_inf_norm ); + } + light->_VP_inf_spot_attenuation = 1.0; + } + + if (light->_Flags & LIGHT_SPOT) { + if (ctx->_NeedEyeCoords) { + COPY_3V( light->_NormDirection, light->EyeDirection ); + } + else { + TRANSFORM_NORMAL( light->_NormDirection, + light->EyeDirection, + ctx->ModelviewMatrixStack.Top->m); + } + + NORMALIZE_3FV( light->_NormDirection ); + + if (!(light->_Flags & LIGHT_POSITIONAL)) { + GLfloat PV_dot_dir = - DOT3(light->_VP_inf_norm, + light->_NormDirection); + + if (PV_dot_dir > light->_CosCutoff) { + double x = PV_dot_dir * (EXP_TABLE_SIZE-1); + int k = (int) x; + light->_VP_inf_spot_attenuation = + (GLfloat) (light->_SpotExpTable[k][0] + + (x-k)*light->_SpotExpTable[k][1]); + } + else { + light->_VP_inf_spot_attenuation = 0; + } + } + } + } +} + + + +static void +update_modelview_scale( GLcontext *ctx ) +{ + ctx->_ModelViewInvScale = 1.0F; + if (ctx->ModelviewMatrixStack.Top->flags & (MAT_FLAG_UNIFORM_SCALE | + MAT_FLAG_GENERAL_SCALE | + MAT_FLAG_GENERAL_3D | + MAT_FLAG_GENERAL) ) { + const GLfloat *m = ctx->ModelviewMatrixStack.Top->inv; + GLfloat f = m[2] * m[2] + m[6] * m[6] + m[10] * m[10]; + if (f < 1e-12) f = 1.0; + if (ctx->_NeedEyeCoords) + ctx->_ModelViewInvScale = (GLfloat) INV_SQRTF(f); + else + ctx->_ModelViewInvScale = (GLfloat) SQRTF(f); + } +} + + +/* Bring uptodate any state that relies on _NeedEyeCoords. + */ +void +_mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state ) +{ + const GLuint oldneedeyecoords = ctx->_NeedEyeCoords; + + (void) new_state; + ctx->_NeedEyeCoords = 0; + + if (ctx->_ForceEyeCoords || + (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD) || + ctx->Point._Attenuated || + ctx->Light._NeedEyeCoords) + ctx->_NeedEyeCoords = 1; + + if (ctx->Light.Enabled && + !TEST_MAT_FLAGS( ctx->ModelviewMatrixStack.Top, + MAT_FLAGS_LENGTH_PRESERVING)) + ctx->_NeedEyeCoords = 1; + + + /* Check if the truth-value interpretations of the bitfields have + * changed: + */ + if (oldneedeyecoords != ctx->_NeedEyeCoords) { + /* Recalculate all state that depends on _NeedEyeCoords. + */ + update_modelview_scale(ctx); + compute_light_positions( ctx ); + + if (ctx->Driver.LightingSpaceChange) + ctx->Driver.LightingSpaceChange( ctx ); + } + else { + GLuint new_state = ctx->NewState; + + /* Recalculate that same state only if it has been invalidated + * by other statechanges. + */ + if (new_state & _NEW_MODELVIEW) + update_modelview_scale(ctx); + + if (new_state & (_NEW_LIGHT|_NEW_MODELVIEW)) + compute_light_positions( ctx ); + } +} + + +/* Drivers may need this if the hardware tnl unit doesn't support the + * light-in-modelspace optimization. It's also useful for debugging. + */ +void +_mesa_allow_light_in_model( GLcontext *ctx, GLboolean flag ) +{ + ctx->_ForceEyeCoords = !flag; + ctx->NewState |= _NEW_POINT; /* one of the bits from + * _MESA_NEW_NEED_EYE_COORDS. + */ +} + + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +/** + * Initialize the n-th light data structure. + * + * \param l pointer to the gl_light structure to be initialized. + * \param n number of the light. + * \note The defaults for light 0 are different than the other lights. + */ +static void +init_light( struct gl_light *l, GLuint n ) +{ + make_empty_list( l ); + + ASSIGN_4V( l->Ambient, 0.0, 0.0, 0.0, 1.0 ); + if (n==0) { + ASSIGN_4V( l->Diffuse, 1.0, 1.0, 1.0, 1.0 ); + ASSIGN_4V( l->Specular, 1.0, 1.0, 1.0, 1.0 ); + } + else { + ASSIGN_4V( l->Diffuse, 0.0, 0.0, 0.0, 1.0 ); + ASSIGN_4V( l->Specular, 0.0, 0.0, 0.0, 1.0 ); + } + ASSIGN_4V( l->EyePosition, 0.0, 0.0, 1.0, 0.0 ); + ASSIGN_3V( l->EyeDirection, 0.0, 0.0, -1.0 ); + l->SpotExponent = 0.0; + _mesa_invalidate_spot_exp_table( l ); + l->SpotCutoff = 180.0; + l->_CosCutoff = 0.0; /* KW: -ve values not admitted */ + l->ConstantAttenuation = 1.0; + l->LinearAttenuation = 0.0; + l->QuadraticAttenuation = 0.0; + l->Enabled = GL_FALSE; +} + + +/** + * Initialize the light model data structure. + * + * \param lm pointer to the gl_lightmodel structure to be initialized. + */ +static void +init_lightmodel( struct gl_lightmodel *lm ) +{ + ASSIGN_4V( lm->Ambient, 0.2F, 0.2F, 0.2F, 1.0F ); + lm->LocalViewer = GL_FALSE; + lm->TwoSide = GL_FALSE; + lm->ColorControl = GL_SINGLE_COLOR; +} + + +/** + * Initialize the material data structure. + * + * \param m pointer to the gl_material structure to be initialized. + */ +static void +init_material( struct gl_material *m ) +{ + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_AMBIENT], 0.2F, 0.2F, 0.2F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_DIFFUSE], 0.8F, 0.8F, 0.8F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_SPECULAR], 0.0F, 0.0F, 0.0F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_EMISSION], 0.0F, 0.0F, 0.0F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_SHININESS], 0.0F, 0.0F, 0.0F, 0.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_INDEXES], 0.0F, 1.0F, 1.0F, 0.0F ); + + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_AMBIENT], 0.2F, 0.2F, 0.2F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_DIFFUSE], 0.8F, 0.8F, 0.8F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_SPECULAR], 0.0F, 0.0F, 0.0F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_EMISSION], 0.0F, 0.0F, 0.0F, 1.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_SHININESS], 0.0F, 0.0F, 0.0F, 0.0F ); + ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_INDEXES], 0.0F, 1.0F, 1.0F, 0.0F ); +} + + +void +_mesa_init_lighting( GLcontext *ctx ) +{ + GLuint i; + + /* Lighting group */ + for (i = 0; i < MAX_LIGHTS; i++) { + init_light( &ctx->Light.Light[i], i ); + } + make_empty_list( &ctx->Light.EnabledList ); + + init_lightmodel( &ctx->Light.Model ); + init_material( &ctx->Light.Material ); + ctx->Light.ShadeModel = GL_SMOOTH; + ctx->Light.Enabled = GL_FALSE; + ctx->Light.ColorMaterialFace = GL_FRONT_AND_BACK; + ctx->Light.ColorMaterialMode = GL_AMBIENT_AND_DIFFUSE; + ctx->Light.ColorMaterialBitmask = _mesa_material_bitmask( ctx, + GL_FRONT_AND_BACK, + GL_AMBIENT_AND_DIFFUSE, ~0, 0 ); + + ctx->Light.ColorMaterialEnabled = GL_FALSE; + + /* Lighting miscellaneous */ + ctx->_ShineTabList = MALLOC_STRUCT( gl_shine_tab ); + make_empty_list( ctx->_ShineTabList ); + /* Allocate 10 (arbitrary) shininess lookup tables */ + for (i = 0 ; i < 10 ; i++) { + struct gl_shine_tab *s = MALLOC_STRUCT( gl_shine_tab ); + s->shininess = -1; + s->refcount = 0; + insert_at_tail( ctx->_ShineTabList, s ); + } + + /* Miscellaneous */ + ctx->Light._NeedEyeCoords = 0; + ctx->_NeedEyeCoords = 0; + ctx->_ModelViewInvScale = 1.0; +} + + +void +_mesa_free_lighting_data( GLcontext *ctx ) +{ + struct gl_shine_tab *s, *tmps; + + /* Free lighting shininess exponentiation table */ + foreach_s( s, tmps, ctx->_ShineTabList ) { + FREE( s ); + } + FREE( ctx->_ShineTabList ); +} diff --git a/src/mesa/main/light.h b/src/mesa/main/light.h new file mode 100644 index 0000000..1f19019 --- /dev/null +++ b/src/mesa/main/light.h @@ -0,0 +1,141 @@ +/** + * \file light.h + * Lighting. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef LIGHT_H +#define LIGHT_H + + +#include "mtypes.h" + +extern void GLAPIENTRY +_mesa_ShadeModel( GLenum mode ); + +#if _HAVE_FULL_GL +extern void GLAPIENTRY +_mesa_ColorMaterial( GLenum face, GLenum mode ); + +extern void GLAPIENTRY +_mesa_Lightf( GLenum light, GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params ); + +extern void GLAPIENTRY +_mesa_Lightiv( GLenum light, GLenum pname, const GLint *params ); + +extern void GLAPIENTRY +_mesa_Lighti( GLenum light, GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_LightModelf( GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_LightModelfv( GLenum pname, const GLfloat *params ); + +extern void GLAPIENTRY +_mesa_LightModeli( GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_LightModeliv( GLenum pname, const GLint *params ); + +extern void GLAPIENTRY +_mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetLightiv( GLenum light, GLenum pname, GLint *params ); + +extern void GLAPIENTRY +_mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params ); + + +/* Lerp between adjacent values in the f(x) lookup table, giving a + * continuous function, with adequeate overall accuracy. (Though + * still pretty good compared to a straight lookup). + * Result should be a GLfloat. + */ +#define GET_SHINE_TAB_ENTRY( table, dp, result ) \ +do { \ + struct gl_shine_tab *_tab = table; \ + float f = (dp * (SHINE_TABLE_SIZE-1)); \ + int k = (int) f; \ + if (k > SHINE_TABLE_SIZE-2) \ + result = (GLfloat) _mesa_pow( dp, _tab->shininess ); \ + else \ + result = _tab->tab[k] + (f-k)*(_tab->tab[k+1]-_tab->tab[k]); \ +} while (0) + + +extern GLuint _mesa_material_bitmask( GLcontext *ctx, + GLenum face, GLenum pname, + GLuint legal, + const char * ); + +extern void _mesa_invalidate_spot_exp_table( struct gl_light *l ); + +extern void _mesa_invalidate_shine_table( GLcontext *ctx, GLuint i ); + +extern void _mesa_validate_all_lighting_tables( GLcontext *ctx ); + +extern void _mesa_update_lighting( GLcontext *ctx ); + +extern void _mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state ); + +extern void _mesa_update_material( GLcontext *ctx, + GLuint bitmask ); + +extern void _mesa_copy_materials( struct gl_material *dst, + const struct gl_material *src, + GLuint bitmask ); + +extern void _mesa_update_color_material( GLcontext *ctx, + const GLfloat rgba[4] ); + +extern void _mesa_init_lighting( GLcontext *ctx ); + +extern void _mesa_free_lighting_data( GLcontext *ctx ); + +extern void _mesa_allow_light_in_model( GLcontext *ctx, GLboolean flag ); + +#else +#define _mesa_update_color_material( c, r ) ((void)0) +#define _mesa_validate_all_lighting_tables( c ) ((void)0) +#define _mesa_invalidate_spot_exp_table( l ) ((void)0) +#define _mesa_material_bitmask( c, f, p, l, s ) 0 +#define _mesa_init_lighting( c ) ((void)0) +#define _mesa_free_lighting_data( c ) ((void)0) +#define _mesa_update_lighting( c ) ((void)0) +#define _mesa_update_tnl_spaces( c, n ) ((void)0) +#define GET_SHINE_TAB_ENTRY( table, dp, result ) ((result)=0) +#endif + +#endif diff --git a/src/mesa/main/lines.c b/src/mesa/main/lines.c new file mode 100644 index 0000000..c30d9ac --- /dev/null +++ b/src/mesa/main/lines.c @@ -0,0 +1,134 @@ +/** + * \file lines.c + * Line operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "context.h" +#include "depth.h" +#include "lines.h" +#include "macros.h" +#include "texstate.h" +#include "mtypes.h" + + +/** + * Set the line width. + * + * \param width line width in pixels. + * + * \sa glLineWidth(). + * + * Verifies the parameter and updates gl_line_attrib::Width. On a change, + * flushes the vertices, updates the clamped line width and marks the + * DD_LINE_WIDTH flag in __GLcontextRec::_TriangleCaps for the drivers if the + * width is different from one. Notifies the driver via the + * dd_function_table::LineWidth callback. + */ +void GLAPIENTRY +_mesa_LineWidth( GLfloat width ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (width<=0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glLineWidth" ); + return; + } + + if (ctx->Line.Width == width) + return; + + FLUSH_VERTICES(ctx, _NEW_LINE); + ctx->Line.Width = width; + ctx->Line._Width = CLAMP(width, + ctx->Const.MinLineWidth, + ctx->Const.MaxLineWidth); + + + if (width != 1.0) + ctx->_TriangleCaps |= DD_LINE_WIDTH; + else + ctx->_TriangleCaps &= ~DD_LINE_WIDTH; + + if (ctx->Driver.LineWidth) + (*ctx->Driver.LineWidth)(ctx, width); +} + + +/** + * Set the line stipple pattern. + * + * \param factor pattern scale factor. + * \param pattern bit pattern. + * + * \sa glLineStipple(). + * + * Updates gl_line_attrib::StippleFactor and gl_line_attrib::StipplePattern. On + * change flushes the vertices and notifies the driver via + * the dd_function_table::LineStipple callback. + */ +void GLAPIENTRY +_mesa_LineStipple( GLint factor, GLushort pattern ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + factor = CLAMP( factor, 1, 256 ); + + if (ctx->Line.StippleFactor == factor && + ctx->Line.StipplePattern == pattern) + return; + + FLUSH_VERTICES(ctx, _NEW_LINE); + ctx->Line.StippleFactor = factor; + ctx->Line.StipplePattern = pattern; + + if (ctx->Driver.LineStipple) + ctx->Driver.LineStipple( ctx, factor, pattern ); +} + + +/** + * Initialize the context line state. + * + * \param ctx GL context. + * + * Initializes __GLcontextRec::Line and line related constants in + * __GLcontextRec::Const. + */ +void GLAPIENTRY _mesa_init_line( GLcontext * ctx ) +{ + /* Line group */ + ctx->Line.SmoothFlag = GL_FALSE; + ctx->Line.StippleFlag = GL_FALSE; + ctx->Line.Width = 1.0; + ctx->Line._Width = 1.0; + ctx->Line.StipplePattern = 0xffff; + ctx->Line.StippleFactor = 1; +} diff --git a/src/mesa/main/lines.h b/src/mesa/main/lines.h new file mode 100644 index 0000000..5a47e98 --- /dev/null +++ b/src/mesa/main/lines.h @@ -0,0 +1,48 @@ +/** + * \file lines.h + * Line operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef LINES_H +#define LINES_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_LineWidth( GLfloat width ); + +extern void GLAPIENTRY +_mesa_LineStipple( GLint factor, GLushort pattern ); + +extern void GLAPIENTRY +_mesa_init_line( GLcontext * ctx ); + +#endif diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h new file mode 100644 index 0000000..f13357d --- /dev/null +++ b/src/mesa/main/macros.h @@ -0,0 +1,657 @@ +/** + * \file macros.h + * A collection of useful macros. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.0 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef MACROS_H +#define MACROS_H + +#include "imports.h" + + +/** + * \name Integer / float conversion for colors, normals, etc. + */ +/*@{*/ + +/** Convert GLubyte in [0,255] to GLfloat in [0.0,1.0] */ +extern GLfloat _mesa_ubyte_to_float_color_tab[256]; +#define UBYTE_TO_FLOAT(u) _mesa_ubyte_to_float_color_tab[(unsigned int)(u)] + +/** Convert GLfloat in [0.0,1.0] to GLubyte in [0,255] */ +#define FLOAT_TO_UBYTE(X) ((GLubyte) (GLint) ((X) * 255.0F)) + + +/** Convert GLbyte in [-128,127] to GLfloat in [-1.0,1.0] */ +#define BYTE_TO_FLOAT(B) ((2.0F * (B) + 1.0F) * (1.0F/255.0F)) + +/** Convert GLfloat in [-1.0,1.0] to GLbyte in [-128,127] */ +#define FLOAT_TO_BYTE(X) ( (((GLint) (255.0F * (X))) - 1) / 2 ) + + +/** Convert GLushort in [0,65536] to GLfloat in [0.0,1.0] */ +#define USHORT_TO_FLOAT(S) ((GLfloat) (S) * (1.0F / 65535.0F)) + +/** Convert GLfloat in [0.0,1.0] to GLushort in [0,65536] */ +#define FLOAT_TO_USHORT(X) ((GLushort) (GLint) ((X) * 65535.0F)) + +/** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0] */ +#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) + +/** Convert GLfloat in [0.0,1.0] to GLshort in [-32768,32767] */ +#define FLOAT_TO_SHORT(X) ( (((GLint) (65535.0F * (X))) - 1) / 2 ) + + +/** Convert GLuint in [0,4294967295] to GLfloat in [0.0,1.0] */ +#define UINT_TO_FLOAT(U) ((GLfloat) (U) * (1.0F / 4294967295.0F)) + +/** Convert GLfloat in [0.0,1.0] to GLuint in [0,4294967295] */ +#define FLOAT_TO_UINT(X) ((GLuint) ((X) * 4294967295.0)) + + +/** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0] */ +#define INT_TO_FLOAT(I) ((2.0F * (I) + 1.0F) * (1.0F/4294967294.0F)) + +/** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647] */ +/* causes overflow: +#define FLOAT_TO_INT(X) ( (((GLint) (4294967294.0F * (X))) - 1) / 2 ) +*/ +/* a close approximation: */ +#define FLOAT_TO_INT(X) ( (GLint) (2147483647.0 * (X)) ) + + +#define BYTE_TO_UBYTE(b) ((GLubyte) ((b) < 0 ? 0 : (GLubyte) (b))) +#define SHORT_TO_UBYTE(s) ((GLubyte) ((s) < 0 ? 0 : (GLubyte) ((s) >> 7))) +#define USHORT_TO_UBYTE(s) ((GLubyte) ((s) >> 8)) +#define INT_TO_UBYTE(i) ((GLubyte) ((i) < 0 ? 0 : (GLubyte) ((i) >> 23))) +#define UINT_TO_UBYTE(i) ((GLubyte) ((i) >> 24)) + + +#define BYTE_TO_USHORT(b) ((b) < 0 ? 0 : ((GLushort) (((b) * 65535) / 255))) +#define UBYTE_TO_USHORT(b) (((GLushort) (b) << 8) | (GLushort) (b)) +#define SHORT_TO_USHORT(s) ((s) < 0 ? 0 : ((GLushort) (((s) * 65535 / 32767)))) +#define INT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 15))) +#define UINT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 16))) +#define UNCLAMPED_FLOAT_TO_USHORT(us, f) \ + us = ( (GLushort) IROUND( CLAMP((f), 0.0, 1.0) * 65535.0F) ) +#define CLAMPED_FLOAT_TO_USHORT(us, f) \ + us = ( (GLushort) IROUND( (f) * 65535.0F) ) + +/*@}*/ + + +/** Stepping a GLfloat pointer by a byte stride */ +#define STRIDE_F(p, i) (p = (GLfloat *)((GLubyte *)p + i)) +/** Stepping a GLuint pointer by a byte stride */ +#define STRIDE_UI(p, i) (p = (GLuint *)((GLubyte *)p + i)) +/** Stepping a GLubyte[4] pointer by a byte stride */ +#define STRIDE_4UB(p, i) (p = (GLubyte (*)[4])((GLubyte *)p + i)) +/** Stepping a GLfloat[4] pointer by a byte stride */ +#define STRIDE_4F(p, i) (p = (GLfloat (*)[4])((GLubyte *)p + i)) +/** Stepping a GLchan[4] pointer by a byte stride */ +#define STRIDE_4CHAN(p, i) (p = (GLchan (*)[4])((GLubyte *)p + i)) +/** Stepping a GLchan pointer by a byte stride */ +#define STRIDE_CHAN(p, i) (p = (GLchan *)((GLubyte *)p + i)) +/** Stepping a \p t pointer by a byte stride */ +#define STRIDE_T(p, t, i) (p = (t)((GLubyte *)p + i)) + + +/**********************************************************************/ +/** \name 4-element vector operations */ +/*@{*/ + +/** Zero */ +#define ZERO_4V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = (DST)[3] = 0 + +/** Test for equality */ +#define TEST_EQ_4V(a,b) ((a)[0] == (b)[0] && \ + (a)[1] == (b)[1] && \ + (a)[2] == (b)[2] && \ + (a)[3] == (b)[3]) + +/** Test for equality (unsigned bytes) */ +#if defined(__i386__) +#define TEST_EQ_4UBV(DST, SRC) *((GLuint*)(DST)) == *((GLuint*)(SRC)) +#else +#define TEST_EQ_4UBV(DST, SRC) TEST_EQ_4V(DST, SRC) +#endif + +/** Copy a 4-element vector */ +#define COPY_4V( DST, SRC ) \ +do { \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ + (DST)[2] = (SRC)[2]; \ + (DST)[3] = (SRC)[3]; \ +} while (0) + +/** Copy a 4-element vector with cast */ +#define COPY_4V_CAST( DST, SRC, CAST ) \ +do { \ + (DST)[0] = (CAST)(SRC)[0]; \ + (DST)[1] = (CAST)(SRC)[1]; \ + (DST)[2] = (CAST)(SRC)[2]; \ + (DST)[3] = (CAST)(SRC)[3]; \ +} while (0) + +/** Copy a 4-element unsigned byte vector */ +#if defined(__i386__) +#define COPY_4UBV(DST, SRC) \ +do { \ + *((GLuint*)(DST)) = *((GLuint*)(SRC)); \ +} while (0) +#else +/* The GLuint cast might fail if DST or SRC are not dword-aligned (RISC) */ +#define COPY_4UBV(DST, SRC) \ +do { \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ + (DST)[2] = (SRC)[2]; \ + (DST)[3] = (SRC)[3]; \ +} while (0) +#endif + +/** Copy a 4-element float vector (Use COPY_FLOAT to avoid loading FPU) */ +#define COPY_4FV( DST, SRC ) \ +do { \ + COPY_FLOAT((DST)[0], (SRC)[0]); \ + COPY_FLOAT((DST)[1], (SRC)[1]); \ + COPY_FLOAT((DST)[2], (SRC)[2]); \ + COPY_FLOAT((DST)[3], (SRC)[3]); \ +} while (0) + + +/** Copy \p SZ elements into a 4-element vector */ +#define COPY_SZ_4V(DST, SZ, SRC) \ +do { \ + switch (SZ) { \ + case 4: (DST)[3] = (SRC)[3]; \ + case 3: (DST)[2] = (SRC)[2]; \ + case 2: (DST)[1] = (SRC)[1]; \ + case 1: (DST)[0] = (SRC)[0]; \ + } \ +} while(0) + +/** Copy \p SZ elements into a homegeneous (4-element) vector, giving + * default values to the remaining */ +#define COPY_CLEAN_4V(DST, SZ, SRC) \ +do { \ + ASSIGN_4V( DST, 0, 0, 0, 1 ); \ + COPY_SZ_4V( DST, SZ, SRC ); \ +} while (0) + +/** Subtraction */ +#define SUB_4V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] - (SRCB)[2]; \ + (DST)[3] = (SRCA)[3] - (SRCB)[3]; \ +} while (0) + +/** Addition */ +#define ADD_4V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] + (SRCB)[2]; \ + (DST)[3] = (SRCA)[3] + (SRCB)[3]; \ +} while (0) + +/** Element-wise multiplication */ +#define SCALE_4V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] * (SRCB)[2]; \ + (DST)[3] = (SRCA)[3] * (SRCB)[3]; \ +} while (0) + +/** In-place addition */ +#define ACC_4V( DST, SRC ) \ +do { \ + (DST)[0] += (SRC)[0]; \ + (DST)[1] += (SRC)[1]; \ + (DST)[2] += (SRC)[2]; \ + (DST)[3] += (SRC)[3]; \ +} while (0) + +/** Element-wise multiplication and addition */ +#define ACC_SCALE_4V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ + (DST)[2] += (SRCA)[2] * (SRCB)[2]; \ + (DST)[3] += (SRCA)[3] * (SRCB)[3]; \ +} while (0) + +/** In-place scalar multiplication and addition */ +#define ACC_SCALE_SCALAR_4V( DST, S, SRCB ) \ +do { \ + (DST)[0] += S * (SRCB)[0]; \ + (DST)[1] += S * (SRCB)[1]; \ + (DST)[2] += S * (SRCB)[2]; \ + (DST)[3] += S * (SRCB)[3]; \ +} while (0) + +/** Scalar multiplication */ +#define SCALE_SCALAR_4V( DST, S, SRCB ) \ +do { \ + (DST)[0] = S * (SRCB)[0]; \ + (DST)[1] = S * (SRCB)[1]; \ + (DST)[2] = S * (SRCB)[2]; \ + (DST)[3] = S * (SRCB)[3]; \ +} while (0) + +/** In-place scalar multiplication */ +#define SELF_SCALE_SCALAR_4V( DST, S ) \ +do { \ + (DST)[0] *= S; \ + (DST)[1] *= S; \ + (DST)[2] *= S; \ + (DST)[3] *= S; \ +} while (0) + +/** Assignment */ +#define ASSIGN_4V( V, V0, V1, V2, V3 ) \ +do { \ + V[0] = V0; \ + V[1] = V1; \ + V[2] = V2; \ + V[3] = V3; \ +} while(0) + +/*@}*/ + + +/**********************************************************************/ +/** \name 3-element vector operations*/ +/*@{*/ + +/** Zero */ +#define ZERO_3V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = 0 + +/** Test for equality */ +#define TEST_EQ_3V(a,b) \ + ((a)[0] == (b)[0] && \ + (a)[1] == (b)[1] && \ + (a)[2] == (b)[2]) + +/** Copy a 3-element vector */ +#define COPY_3V( DST, SRC ) \ +do { \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ + (DST)[2] = (SRC)[2]; \ +} while (0) + +/** Copy a 3-element vector with cast */ +#define COPY_3V_CAST( DST, SRC, CAST ) \ +do { \ + (DST)[0] = (CAST)(SRC)[0]; \ + (DST)[1] = (CAST)(SRC)[1]; \ + (DST)[2] = (CAST)(SRC)[2]; \ +} while (0) + +/** Copy a 3-element float vector */ +#define COPY_3FV( DST, SRC ) \ +do { \ + const GLfloat *_tmp = (SRC); \ + (DST)[0] = _tmp[0]; \ + (DST)[1] = _tmp[1]; \ + (DST)[2] = _tmp[2]; \ +} while (0) + +/** Subtraction */ +#define SUB_3V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] - (SRCB)[2]; \ +} while (0) + +/** Addition */ +#define ADD_3V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] + (SRCB)[2]; \ +} while (0) + +/** In-place scalar multiplication */ +#define SCALE_3V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] * (SRCB)[2]; \ +} while (0) + +/** In-place element-wise multiplication */ +#define SELF_SCALE_3V( DST, SRC ) \ +do { \ + (DST)[0] *= (SRC)[0]; \ + (DST)[1] *= (SRC)[1]; \ + (DST)[2] *= (SRC)[2]; \ +} while (0) + +/** In-place addition */ +#define ACC_3V( DST, SRC ) \ +do { \ + (DST)[0] += (SRC)[0]; \ + (DST)[1] += (SRC)[1]; \ + (DST)[2] += (SRC)[2]; \ +} while (0) + +/** Element-wise multiplication and addition */ +#define ACC_SCALE_3V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ + (DST)[2] += (SRCA)[2] * (SRCB)[2]; \ +} while (0) + +/** Scalar multiplication */ +#define SCALE_SCALAR_3V( DST, S, SRCB ) \ +do { \ + (DST)[0] = S * (SRCB)[0]; \ + (DST)[1] = S * (SRCB)[1]; \ + (DST)[2] = S * (SRCB)[2]; \ +} while (0) + +/** In-place scalar multiplication and addition */ +#define ACC_SCALE_SCALAR_3V( DST, S, SRCB ) \ +do { \ + (DST)[0] += S * (SRCB)[0]; \ + (DST)[1] += S * (SRCB)[1]; \ + (DST)[2] += S * (SRCB)[2]; \ +} while (0) + +/** In-place scalar multiplication */ +#define SELF_SCALE_SCALAR_3V( DST, S ) \ +do { \ + (DST)[0] *= S; \ + (DST)[1] *= S; \ + (DST)[2] *= S; \ +} while (0) + +/** In-place scalar addition */ +#define ACC_SCALAR_3V( DST, S ) \ +do { \ + (DST)[0] += S; \ + (DST)[1] += S; \ + (DST)[2] += S; \ +} while (0) + +/** Assignment */ +#define ASSIGN_3V( V, V0, V1, V2 ) \ +do { \ + V[0] = V0; \ + V[1] = V1; \ + V[2] = V2; \ +} while(0) + +/*@}*/ + + +/**********************************************************************/ +/** \name 2-element vector operations*/ +/*@{*/ + +/** Zero */ +#define ZERO_2V( DST ) (DST)[0] = (DST)[1] = 0 + +/** Copy a 2-element vector */ +#define COPY_2V( DST, SRC ) \ +do { \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ +} while (0) + +/** Copy a 2-element vector with cast */ +#define COPY_2V_CAST( DST, SRC, CAST ) \ +do { \ + (DST)[0] = (CAST)(SRC)[0]; \ + (DST)[1] = (CAST)(SRC)[1]; \ +} while (0) + +/** Copy a 2-element float vector */ +#define COPY_2FV( DST, SRC ) \ +do { \ + const GLfloat *_tmp = (SRC); \ + (DST)[0] = _tmp[0]; \ + (DST)[1] = _tmp[1]; \ +} while (0) + +/** Subtraction */ +#define SUB_2V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ +} while (0) + +/** Addition */ +#define ADD_2V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] + (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] + (SRCB)[1]; \ +} while (0) + +/** In-place scalar multiplication */ +#define SCALE_2V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] = (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] * (SRCB)[1]; \ +} while (0) + +/** In-place addition */ +#define ACC_2V( DST, SRC ) \ +do { \ + (DST)[0] += (SRC)[0]; \ + (DST)[1] += (SRC)[1]; \ +} while (0) + +/** Element-wise multiplication and addition */ +#define ACC_SCALE_2V( DST, SRCA, SRCB ) \ +do { \ + (DST)[0] += (SRCA)[0] * (SRCB)[0]; \ + (DST)[1] += (SRCA)[1] * (SRCB)[1]; \ +} while (0) + +/** Scalar multiplication */ +#define SCALE_SCALAR_2V( DST, S, SRCB ) \ +do { \ + (DST)[0] = S * (SRCB)[0]; \ + (DST)[1] = S * (SRCB)[1]; \ +} while (0) + +/** In-place scalar multiplication and addition */ +#define ACC_SCALE_SCALAR_2V( DST, S, SRCB ) \ +do { \ + (DST)[0] += S * (SRCB)[0]; \ + (DST)[1] += S * (SRCB)[1]; \ +} while (0) + +/** In-place scalar multiplication */ +#define SELF_SCALE_SCALAR_2V( DST, S ) \ +do { \ + (DST)[0] *= S; \ + (DST)[1] *= S; \ +} while (0) + +/** In-place scalar addition */ +#define ACC_SCALAR_2V( DST, S ) \ +do { \ + (DST)[0] += S; \ + (DST)[1] += S; \ +} while (0) + + + +/** + * Linear interpolation + * + * \note \p OUT argument is evaluated twice! + * \note Be wary of using *coord++ as an argument to any of these macros! + */ +#define LINTERP(T, OUT, IN) ((OUT) + (T) * ((IN) - (OUT))) + +/* Can do better with integer math + */ +#define INTERP_UB( t, dstub, outub, inub ) \ +do { \ + GLfloat inf = UBYTE_TO_FLOAT( inub ); \ + GLfloat outf = UBYTE_TO_FLOAT( outub ); \ + GLfloat dstf = LINTERP( t, outf, inf ); \ + UNCLAMPED_FLOAT_TO_UBYTE( dstub, dstf ); \ +} while (0) + +#define INTERP_CHAN( t, dstc, outc, inc ) \ +do { \ + GLfloat inf = CHAN_TO_FLOAT( inc ); \ + GLfloat outf = CHAN_TO_FLOAT( outc ); \ + GLfloat dstf = LINTERP( t, outf, inf ); \ + UNCLAMPED_FLOAT_TO_CHAN( dstc, dstf ); \ +} while (0) + +#define INTERP_UI( t, dstui, outui, inui ) \ + dstui = (GLuint) (GLint) LINTERP( (t), (GLfloat) (outui), (GLfloat) (inui) ) + +#define INTERP_F( t, dstf, outf, inf ) \ + dstf = LINTERP( t, outf, inf ) + +#define INTERP_4F( t, dst, out, in ) \ +do { \ + dst[0] = LINTERP( (t), (out)[0], (in)[0] ); \ + dst[1] = LINTERP( (t), (out)[1], (in)[1] ); \ + dst[2] = LINTERP( (t), (out)[2], (in)[2] ); \ + dst[3] = LINTERP( (t), (out)[3], (in)[3] ); \ +} while (0) + +#define INTERP_3F( t, dst, out, in ) \ +do { \ + dst[0] = LINTERP( (t), (out)[0], (in)[0] ); \ + dst[1] = LINTERP( (t), (out)[1], (in)[1] ); \ + dst[2] = LINTERP( (t), (out)[2], (in)[2] ); \ +} while (0) + +#define INTERP_4CHAN( t, dst, out, in ) \ +do { \ + INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \ + INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \ + INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \ + INTERP_CHAN( (t), (dst)[3], (out)[3], (in)[3] ); \ +} while (0) + +#define INTERP_3CHAN( t, dst, out, in ) \ +do { \ + INTERP_CHAN( (t), (dst)[0], (out)[0], (in)[0] ); \ + INTERP_CHAN( (t), (dst)[1], (out)[1], (in)[1] ); \ + INTERP_CHAN( (t), (dst)[2], (out)[2], (in)[2] ); \ +} while (0) + +#define INTERP_SZ( t, vec, to, out, in, sz ) \ +do { \ + switch (sz) { \ + case 4: vec[to][3] = LINTERP( (t), (vec)[out][3], (vec)[in][3] ); \ + case 3: vec[to][2] = LINTERP( (t), (vec)[out][2], (vec)[in][2] ); \ + case 2: vec[to][1] = LINTERP( (t), (vec)[out][1], (vec)[in][1] ); \ + case 1: vec[to][0] = LINTERP( (t), (vec)[out][0], (vec)[in][0] ); \ + } \ +} while(0) + + + +/** Assign scalers to short vectors */ +#define ASSIGN_2V( V, V0, V1 ) \ +do { \ + V[0] = V0; \ + V[1] = V1; \ +} while(0) + +/*@}*/ + + + +/** Clamp X to [MIN,MAX] */ +#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) + +/** Assign X to CLAMP(X, MIN, MAX) */ +#define CLAMP_SELF(x, mn, mx) \ + ( (x)<(mn) ? ((x) = (mn)) : ((x)>(mx) ? ((x)=(mx)) : (x)) ) + + + +/** Minimum of two values: */ +#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) + +/** Maximum of two values: */ +#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) + +/** Dot product of two 2-element vectors */ +#define DOT2( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] ) + +/** Dot product of two 3-element vectors */ +#define DOT3( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] + (a)[2]*(b)[2] ) + +/** Dot product of two 4-element vectors */ +#define DOT4( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] + \ + (a)[2]*(b)[2] + (a)[3]*(b)[3] ) + +/** Dot product of two 4-element vectors */ +#define DOT4V(v,a,b,c,d) (v[0]*(a) + v[1]*(b) + v[2]*(c) + v[3]*(d)) + + +/** Cross product of two 3-element vectors */ +#define CROSS3(n, u, v) \ +do { \ + (n)[0] = (u)[1]*(v)[2] - (u)[2]*(v)[1]; \ + (n)[1] = (u)[2]*(v)[0] - (u)[0]*(v)[2]; \ + (n)[2] = (u)[0]*(v)[1] - (u)[1]*(v)[0]; \ +} while (0) + + +/* Normalize a 3-element vector to unit length. */ +#define NORMALIZE_3FV( V ) \ +do { \ + GLfloat len = (GLfloat) LEN_SQUARED_3FV(V); \ + if (len) { \ + len = INV_SQRTF(len); \ + (V)[0] = (GLfloat) ((V)[0] * len); \ + (V)[1] = (GLfloat) ((V)[1] * len); \ + (V)[2] = (GLfloat) ((V)[2] * len); \ + } \ +} while(0) + +#define LEN_3FV( V ) (SQRTF((V)[0]*(V)[0]+(V)[1]*(V)[1]+(V)[2]*(V)[2])) +#define LEN_2FV( V ) (SQRTF((V)[0]*(V)[0]+(V)[1]*(V)[1])) + +#define LEN_SQUARED_3FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1]+(V)[2]*(V)[2]) +#define LEN_SQUARED_2FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1]) + + +#endif diff --git a/src/mesa/main/main.dsp b/src/mesa/main/main.dsp new file mode 100644 index 0000000..b7be0f3 --- /dev/null +++ b/src/mesa/main/main.dsp @@ -0,0 +1,580 @@ +# Microsoft Developer Studio Project File - Name="main" - Package Owner=<4>
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diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c new file mode 100644 index 0000000..3a4bfe3 --- /dev/null +++ b/src/mesa/main/matrix.c @@ -0,0 +1,957 @@ +/** + * \file matrix.c + * Matrix operations. + * + * \note + * -# 4x4 transformation matrices are stored in memory in column major order. + * -# Points/vertices are to be thought of as column vectors. + * -# Transformation of a point p by a matrix M is: p' = M * p + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "buffers.h" +#include "context.h" +#include "enums.h" +#include "macros.h" +#include "matrix.h" +#include "mtypes.h" +#include "math/m_matrix.h" +#include "math/m_xform.h" + + +/** + * Apply a perspective projection matrix. + * + * \param left left clipping plane coordinate. + * \param right right clipping plane coordinate. + * \param bottom bottom clipping plane coordinate. + * \param top top clipping plane coordinate. + * \param nearval distance to the near clipping plane. + * \param farval distance to the far clipping plane. + * + * \sa glFrustum(). + * + * Flushes vertices and validates parameters. Calls _math_matrix_frustum() with + * the top matrix of the current matrix stack and sets + * __GLcontextRec::NewState. + */ +void GLAPIENTRY +_mesa_Frustum( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (nearval <= 0.0 || + farval <= 0.0 || + nearval == farval || + left == right || + top == bottom) + { + _mesa_error( ctx, GL_INVALID_VALUE, "glFrustum" ); + return; + } + + _math_matrix_frustum( ctx->CurrentStack->Top, + (GLfloat) left, (GLfloat) right, + (GLfloat) bottom, (GLfloat) top, + (GLfloat) nearval, (GLfloat) farval ); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Apply an orthographic projection matrix. + * + * \param left left clipping plane coordinate. + * \param right right clipping plane coordinate. + * \param bottom bottom clipping plane coordinate. + * \param top top clipping plane coordinate. + * \param nearval distance to the near clipping plane. + * \param farval distance to the far clipping plane. + * + * \sa glOrtho(). + * + * Flushes vertices and validates parameters. Calls _math_matrix_ortho() with + * the top matrix of the current matrix stack and sets + * __GLcontextRec::NewState. + */ +void GLAPIENTRY +_mesa_Ortho( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glOrtho(%f, %f, %f, %f, %f, %f)\n", + left, right, bottom, top, nearval, farval); + + if (left == right || + bottom == top || + nearval == farval) + { + _mesa_error( ctx, GL_INVALID_VALUE, "glOrtho" ); + return; + } + + _math_matrix_ortho( ctx->CurrentStack->Top, + (GLfloat) left, (GLfloat) right, + (GLfloat) bottom, (GLfloat) top, + (GLfloat) nearval, (GLfloat) farval ); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Set the current matrix stack. + * + * \param mode matrix stack. + * + * \sa glMatrixMode(). + * + * Flushes the vertices, validates the parameter and updates + * __GLcontextRec::CurrentStack and gl_transform_attrib::MatrixMode with the + * specified matrix stack. + */ +void GLAPIENTRY +_mesa_MatrixMode( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Transform.MatrixMode == mode && mode != GL_TEXTURE) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + + switch (mode) { + case GL_MODELVIEW: + ctx->CurrentStack = &ctx->ModelviewMatrixStack; + break; + case GL_PROJECTION: + ctx->CurrentStack = &ctx->ProjectionMatrixStack; + break; + case GL_TEXTURE: + ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit]; + break; + case GL_COLOR: + ctx->CurrentStack = &ctx->ColorMatrixStack; + break; + case GL_MATRIX0_NV: + case GL_MATRIX1_NV: + case GL_MATRIX2_NV: + case GL_MATRIX3_NV: + case GL_MATRIX4_NV: + case GL_MATRIX5_NV: + case GL_MATRIX6_NV: + case GL_MATRIX7_NV: + if (ctx->Extensions.NV_vertex_program) { + ctx->CurrentStack = &ctx->ProgramMatrixStack[mode - GL_MATRIX0_NV]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode(mode)" ); + return; + } + break; + case GL_MATRIX0_ARB: + case GL_MATRIX1_ARB: + case GL_MATRIX2_ARB: + case GL_MATRIX3_ARB: + case GL_MATRIX4_ARB: + case GL_MATRIX5_ARB: + case GL_MATRIX6_ARB: + case GL_MATRIX7_ARB: + if (ctx->Extensions.ARB_vertex_program || + ctx->Extensions.ARB_fragment_program) { + const GLuint m = mode - GL_MATRIX0_ARB; + if (m > ctx->Const.MaxProgramMatrices) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glMatrixMode(GL_MATRIX%d_ARB)", m); + return; + } + ctx->CurrentStack = &ctx->ProgramMatrixStack[m]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode(mode)" ); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode(mode)" ); + return; + } + + ctx->Transform.MatrixMode = mode; +} + + +/** + * Push the current matrix stack. + * + * \sa glPushMatrix(). + * + * Verifies the current matrix stack is not full, and duplicates the top-most + * matrix in the stack. Marks __GLcontextRec::NewState with the stack dirty + * flag. + */ +void GLAPIENTRY +_mesa_PushMatrix( void ) +{ + GET_CURRENT_CONTEXT(ctx); + struct matrix_stack *stack = ctx->CurrentStack; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glPushMatrix %s\n", + _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode)); + + if (stack->Depth + 1 >= stack->MaxDepth) { + if (ctx->Transform.MatrixMode == GL_TEXTURE) { + _mesa_error(ctx, GL_STACK_OVERFLOW, + "glPushMatrix(mode=GL_TEXTURE, unit=%d)", + ctx->Texture.CurrentUnit); + } + else { + _mesa_error(ctx, GL_STACK_OVERFLOW, "glPushMatrix(mode=%s)", + _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode)); + } + return; + } + _math_matrix_copy( &stack->Stack[stack->Depth + 1], + &stack->Stack[stack->Depth] ); + stack->Depth++; + stack->Top = &(stack->Stack[stack->Depth]); + ctx->NewState |= stack->DirtyFlag; +} + + +/** + * Pop the current matrix stack. + * + * \sa glPopMatrix(). + * + * Flushes the vertices, verifies the current matrix stack is not empty, and + * moves the stack head down. Marks __GLcontextRec::NewState with the dirty + * stack flag. + */ +void GLAPIENTRY +_mesa_PopMatrix( void ) +{ + GET_CURRENT_CONTEXT(ctx); + struct matrix_stack *stack = ctx->CurrentStack; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glPopMatrix %s\n", + _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode)); + + if (stack->Depth == 0) { + if (ctx->Transform.MatrixMode == GL_TEXTURE) { + _mesa_error(ctx, GL_STACK_UNDERFLOW, + "glPopMatrix(mode=GL_TEXTURE, unit=%d)", + ctx->Texture.CurrentUnit); + } + else { + _mesa_error(ctx, GL_STACK_UNDERFLOW, "glPopMatrix(mode=%s)", + _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode)); + } + return; + } + stack->Depth--; + stack->Top = &(stack->Stack[stack->Depth]); + ctx->NewState |= stack->DirtyFlag; +} + + +/** + * Replace the current matrix with the identity matrix. + * + * \sa glLoadIdentity(). + * + * Flushes the vertices and calls _math_matrix_set_identity() with the top-most + * matrix in the current stack. Marks __GLcontextRec::NewState with the stack + * dirty flag. + */ +void GLAPIENTRY +_mesa_LoadIdentity( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glLoadIdentity()"); + + _math_matrix_set_identity( ctx->CurrentStack->Top ); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Replace the current matrix with a given matrix. + * + * \param m matrix. + * + * \sa glLoadMatrixf(). + * + * Flushes the vertices and calls _math_matrix_loadf() with the top-most matrix + * in the current stack and the given matrix. Marks __GLcontextRec::NewState + * with the dirty stack flag. + */ +void GLAPIENTRY +_mesa_LoadMatrixf( const GLfloat *m ) +{ + GET_CURRENT_CONTEXT(ctx); + if (!m) return; + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, + "glLoadMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n", + m[0], m[4], m[8], m[12], + m[1], m[5], m[9], m[13], + m[2], m[6], m[10], m[14], + m[3], m[7], m[11], m[15]); + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + _math_matrix_loadf( ctx->CurrentStack->Top, m ); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Multiply the current matrix with a given matrix. + * + * \param m matrix. + * + * \sa glMultMatrixf(). + * + * Flushes the vertices and calls _math_matrix_mul_floats() with the top-most + * matrix in the current stack and the given matrix. Marks + * __GLcontextRec::NewState with the dirty stack flag. + */ +void GLAPIENTRY +_mesa_MultMatrixf( const GLfloat *m ) +{ + GET_CURRENT_CONTEXT(ctx); + if (!m) return; + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, + "glMultMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n", + m[0], m[4], m[8], m[12], + m[1], m[5], m[9], m[13], + m[2], m[6], m[10], m[14], + m[3], m[7], m[11], m[15]); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + _math_matrix_mul_floats( ctx->CurrentStack->Top, m ); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Multiply the current matrix with a rotation matrix. + * + * \param angle angle of rotation, in degrees. + * \param x rotation vector x coordinate. + * \param y rotation vector y coordinate. + * \param z rotation vector z coordinate. + * + * \sa glRotatef(). + * + * Flushes the vertices and calls _math_matrix_rotate() with the top-most + * matrix in the current stack and the given parameters. Marks + * __GLcontextRec::NewState with the dirty stack flag. + */ +void GLAPIENTRY +_mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + if (angle != 0.0F) { + _math_matrix_rotate( ctx->CurrentStack->Top, angle, x, y, z); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; + } +} + + +/** + * Multiply the current matrix with a general scaling matrix. + * + * \param x x axis scale factor. + * \param y y axis scale factor. + * \param z z axis scale factor. + * + * \sa glScalef(). + * + * Flushes the vertices and calls _math_matrix_scale() with the top-most + * matrix in the current stack and the given parameters. Marks + * __GLcontextRec::NewState with the dirty stack flag. + */ +void GLAPIENTRY +_mesa_Scalef( GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + _math_matrix_scale( ctx->CurrentStack->Top, x, y, z); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +/** + * Multiply the current matrix with a general scaling matrix. + * + * \param x translation vector x coordinate. + * \param y translation vector y coordinate. + * \param z translation vector z coordinate. + * + * \sa glTranslatef(). + * + * Flushes the vertices and calls _math_matrix_translate() with the top-most + * matrix in the current stack and the given parameters. Marks + * __GLcontextRec::NewState with the dirty stack flag. + */ +void GLAPIENTRY +_mesa_Translatef( GLfloat x, GLfloat y, GLfloat z ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + _math_matrix_translate( ctx->CurrentStack->Top, x, y, z); + ctx->NewState |= ctx->CurrentStack->DirtyFlag; +} + + +#if _HAVE_FULL_GL +void GLAPIENTRY +_mesa_LoadMatrixd( const GLdouble *m ) +{ + GLint i; + GLfloat f[16]; + if (!m) return; + for (i = 0; i < 16; i++) + f[i] = (GLfloat) m[i]; + _mesa_LoadMatrixf(f); +} + +void GLAPIENTRY +_mesa_MultMatrixd( const GLdouble *m ) +{ + GLint i; + GLfloat f[16]; + if (!m) return; + for (i = 0; i < 16; i++) + f[i] = (GLfloat) m[i]; + _mesa_MultMatrixf( f ); +} + + +void GLAPIENTRY +_mesa_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z ) +{ + _mesa_Rotatef((GLfloat) angle, (GLfloat) x, (GLfloat) y, (GLfloat) z); +} + + +void GLAPIENTRY +_mesa_Scaled( GLdouble x, GLdouble y, GLdouble z ) +{ + _mesa_Scalef((GLfloat) x, (GLfloat) y, (GLfloat) z); +} + + +void GLAPIENTRY +_mesa_Translated( GLdouble x, GLdouble y, GLdouble z ) +{ + _mesa_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z); +} +#endif + + +#if _HAVE_FULL_GL +void GLAPIENTRY +_mesa_LoadTransposeMatrixfARB( const GLfloat *m ) +{ + GLfloat tm[16]; + if (!m) return; + _math_transposef(tm, m); + _mesa_LoadMatrixf(tm); +} + + +void GLAPIENTRY +_mesa_LoadTransposeMatrixdARB( const GLdouble *m ) +{ + GLfloat tm[16]; + if (!m) return; + _math_transposefd(tm, m); + _mesa_LoadMatrixf(tm); +} + + +void GLAPIENTRY +_mesa_MultTransposeMatrixfARB( const GLfloat *m ) +{ + GLfloat tm[16]; + if (!m) return; + _math_transposef(tm, m); + _mesa_MultMatrixf(tm); +} + + +void GLAPIENTRY +_mesa_MultTransposeMatrixdARB( const GLdouble *m ) +{ + GLfloat tm[16]; + if (!m) return; + _math_transposefd(tm, m); + _mesa_MultMatrixf(tm); +} +#endif + +/** + * Set the viewport. + * + * \param x, y coordinates of the lower-left corner of the viewport rectangle. + * \param width width of the viewport rectangle. + * \param height height of the viewport rectangle. + * + * \sa Called via glViewport() or display list execution. + * + * Flushes the vertices and calls _mesa_set_viewport() with the given + * parameters. + */ +void GLAPIENTRY +_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + _mesa_set_viewport(ctx, x, y, width, height); +} + +/** + * Set new viewport parameters and update derived state (the _WindowMap + * matrix). Usually called from _mesa_Viewport(). + * + * \note We also call _mesa_ResizeBuffersMESA() because this is a good + * time to check if the window has been resized. Many device drivers + * can't get direct notification from the window system of size changes + * so this is an ad-hoc solution to that problem. + * + * \param ctx GL context. + * \param x, y coordinates of the lower left corner of the viewport rectangle. + * \param width width of the viewport rectangle. + * \param height height of the viewport rectangle. + * + * Verifies the parameters, clamps them to the implementation dependent range + * and updates __GLcontextRec::Viewport. Computes the scale and bias values for + * the drivers and notifies the driver via the dd_function_table::Viewport + * callback. + */ +void +_mesa_set_viewport( GLcontext *ctx, GLint x, GLint y, + GLsizei width, GLsizei height ) +{ + const GLfloat n = ctx->Viewport.Near; + const GLfloat f = ctx->Viewport.Far; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glViewport %d %d %d %d\n", x, y, width, height); + + if (width < 0 || height < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glViewport(%d, %d, %d, %d)", x, y, width, height ); + return; + } + + /* clamp width, and height to implementation dependent range */ + width = CLAMP( width, 1, MAX_WIDTH ); + height = CLAMP( height, 1, MAX_HEIGHT ); + + /* Save viewport */ + ctx->Viewport.X = x; + ctx->Viewport.Width = width; + ctx->Viewport.Y = y; + ctx->Viewport.Height = height; + + /* XXX send transposed width/height to Driver.Viewport() below??? */ + if (ctx->_RotateMode) { + GLint tmp, tmps; + tmp = x; x = y; y = tmp; + tmps = width; width = height; height = tmps; + } + + /* compute scale and bias values :: This is really driver-specific + * and should be maintained elsewhere if at all. NOTE: RasterPos + * uses this. + */ + ctx->Viewport._WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F; + ctx->Viewport._WindowMap.m[MAT_TX] = ctx->Viewport._WindowMap.m[MAT_SX] + x; + ctx->Viewport._WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F; + ctx->Viewport._WindowMap.m[MAT_TY] = ctx->Viewport._WindowMap.m[MAT_SY] + y; + ctx->Viewport._WindowMap.m[MAT_SZ] = ctx->DepthMaxF * ((f - n) / 2.0F); + ctx->Viewport._WindowMap.m[MAT_TZ] = ctx->DepthMaxF * ((f - n) / 2.0F + n); + ctx->Viewport._WindowMap.flags = MAT_FLAG_GENERAL_SCALE|MAT_FLAG_TRANSLATION; + ctx->Viewport._WindowMap.type = MATRIX_3D_NO_ROT; + ctx->NewState |= _NEW_VIEWPORT; + + /* Check if window/buffer has been resized and if so, reallocate the + * ancillary buffers. This is an ad-hoc solution to detecting window + * size changes. 99% of all GL apps call glViewport when a window is + * resized so this is a good time to check for new window dims and + * reallocate color buffers and ancilliary buffers. + */ + _mesa_ResizeBuffersMESA(); + + if (ctx->Driver.Viewport) { + (*ctx->Driver.Viewport)( ctx, x, y, width, height ); + } +} + + +#if _HAVE_FULL_GL +void GLAPIENTRY +_mesa_DepthRange( GLclampd nearval, GLclampd farval ) +{ + /* + * nearval - specifies mapping of the near clipping plane to window + * coordinates, default is 0 + * farval - specifies mapping of the far clipping plane to window + * coordinates, default is 1 + * + * After clipping and div by w, z coords are in -1.0 to 1.0, + * corresponding to near and far clipping planes. glDepthRange + * specifies a linear mapping of the normalized z coords in + * this range to window z coords. + */ + GLfloat n, f; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glDepthRange %f %f\n", nearval, farval); + + n = (GLfloat) CLAMP( nearval, 0.0, 1.0 ); + f = (GLfloat) CLAMP( farval, 0.0, 1.0 ); + + ctx->Viewport.Near = n; + ctx->Viewport.Far = f; + ctx->Viewport._WindowMap.m[MAT_SZ] = ctx->DepthMaxF * ((f - n) / 2.0F); + ctx->Viewport._WindowMap.m[MAT_TZ] = ctx->DepthMaxF * ((f - n) / 2.0F + n); + ctx->NewState |= _NEW_VIEWPORT; + + if (ctx->Driver.DepthRange) { + (*ctx->Driver.DepthRange)( ctx, nearval, farval ); + } +} +#endif + + + +/**********************************************************************/ +/** \name State management */ +/*@{*/ + + +/** + * Update the projection matrix stack. + * + * \param ctx GL context. + * + * Calls _math_matrix_analyse() with the top-matrix of the projection matrix + * stack, and recomputes user clip positions if necessary. + * + * \note This routine references __GLcontextRec::Tranform attribute values to + * compute userclip positions in clip space, but is only called on + * _NEW_PROJECTION. The _mesa_ClipPlane() function keeps these values up to + * date across changes to the __GLcontextRec::Transform attributes. + */ +static void +update_projection( GLcontext *ctx ) +{ + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + +#if FEATURE_userclip + /* Recompute clip plane positions in clipspace. This is also done + * in _mesa_ClipPlane(). + */ + if (ctx->Transform.ClipPlanesEnabled) { + GLuint p; + for (p = 0; p < ctx->Const.MaxClipPlanes; p++) { + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { + _mesa_transform_vector( ctx->Transform._ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrixStack.Top->inv ); + } + } + } +#endif +} + + +/** + * Calculate the combined modelview-projection matrix. + * + * \param ctx GL context. + * + * Multiplies the top matrices of the projection and model view stacks into + * __GLcontextRec::_ModelProjectMatrix via _math_matrix_mul_matrix() and + * analyzes the resulting matrix via _math_matrix_analyse(). + */ +static void +calculate_model_project_matrix( GLcontext *ctx ) +{ + _math_matrix_mul_matrix( &ctx->_ModelProjectMatrix, + ctx->ProjectionMatrixStack.Top, + ctx->ModelviewMatrixStack.Top ); + + _math_matrix_analyse( &ctx->_ModelProjectMatrix ); +} + + +/** + * Updates the combined modelview-projection matrix. + * + * \param ctx GL context. + * \param new_state new state bit mask. + * + * If there is a new model view matrix then analyzes it. If there is a new + * projection matrix, updates it. Finally calls + * calculate_model_project_matrix() to recalculate the modelview-projection + * matrix. + */ +void _mesa_update_modelview_project( GLcontext *ctx, GLuint new_state ) +{ + if (new_state & _NEW_MODELVIEW) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + + /* Bring cull position uptodate. + */ + TRANSFORM_POINT3( ctx->Transform.CullObjPos, + ctx->ModelviewMatrixStack.Top->inv, + ctx->Transform.CullEyePos ); + } + + + if (new_state & _NEW_PROJECTION) + update_projection( ctx ); + + /* Keep ModelviewProject uptodate always to allow tnl + * implementations that go model->clip even when eye is required. + */ + calculate_model_project_matrix(ctx); +} + +/*@}*/ + + +/**********************************************************************/ +/** Matrix stack initialization */ +/*@{*/ + + +/** + * Initialize a matrix stack. + * + * \param stack matrix stack. + * \param maxDepth maximum stack depth. + * \param dirtyFlag dirty flag. + * + * Allocates an array of \p maxDepth elements for the matrix stack and calls + * _math_matrix_ctr() and _math_matrix_alloc_inv() for each element to + * initialize it. + */ +static void +init_matrix_stack( struct matrix_stack *stack, + GLuint maxDepth, GLuint dirtyFlag ) +{ + GLuint i; + + stack->Depth = 0; + stack->MaxDepth = maxDepth; + stack->DirtyFlag = dirtyFlag; + /* The stack */ + stack->Stack = (GLmatrix *) CALLOC(maxDepth * sizeof(GLmatrix)); + for (i = 0; i < maxDepth; i++) { + _math_matrix_ctr(&stack->Stack[i]); + _math_matrix_alloc_inv(&stack->Stack[i]); + } + stack->Top = stack->Stack; +} + +/** + * Free matrix stack. + * + * \param stack matrix stack. + * + * Calls _math_matrix_dtr() for each element of the matrix stack and + * frees the array. + */ +static void +free_matrix_stack( struct matrix_stack *stack ) +{ + GLuint i; + for (i = 0; i < stack->MaxDepth; i++) { + _math_matrix_dtr(&stack->Stack[i]); + } + FREE(stack->Stack); + stack->Stack = stack->Top = NULL; +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Initialization */ +/*@{*/ + + +/** + * Initialize the context matrix data. + * + * \param ctx GL context. + * + * Initializes each of the matrix stacks and the combined modelview-projection + * matrix. + */ +void _mesa_init_matrix( GLcontext * ctx ) +{ + GLint i; + + /* Initialize matrix stacks */ + init_matrix_stack(&ctx->ModelviewMatrixStack, MAX_MODELVIEW_STACK_DEPTH, + _NEW_MODELVIEW); + init_matrix_stack(&ctx->ProjectionMatrixStack, MAX_PROJECTION_STACK_DEPTH, + _NEW_PROJECTION); + init_matrix_stack(&ctx->ColorMatrixStack, MAX_COLOR_STACK_DEPTH, + _NEW_COLOR_MATRIX); + for (i = 0; i < MAX_TEXTURE_UNITS; i++) + init_matrix_stack(&ctx->TextureMatrixStack[i], MAX_TEXTURE_STACK_DEPTH, + _NEW_TEXTURE_MATRIX); + for (i = 0; i < MAX_PROGRAM_MATRICES; i++) + init_matrix_stack(&ctx->ProgramMatrixStack[i], + MAX_PROGRAM_MATRIX_STACK_DEPTH, _NEW_TRACK_MATRIX); + ctx->CurrentStack = &ctx->ModelviewMatrixStack; + + /* Init combined Modelview*Projection matrix */ + _math_matrix_ctr( &ctx->_ModelProjectMatrix ); +} + + +/** + * Free the context matrix data. + * + * \param ctx GL context. + * + * Frees each of the matrix stacks and the combined modelview-projection + * matrix. + */ +void _mesa_free_matrix_data( GLcontext *ctx ) +{ + GLint i; + + free_matrix_stack(&ctx->ModelviewMatrixStack); + free_matrix_stack(&ctx->ProjectionMatrixStack); + free_matrix_stack(&ctx->ColorMatrixStack); + for (i = 0; i < MAX_TEXTURE_UNITS; i++) + free_matrix_stack(&ctx->TextureMatrixStack[i]); + for (i = 0; i < MAX_PROGRAM_MATRICES; i++) + free_matrix_stack(&ctx->ProgramMatrixStack[i]); + /* combined Modelview*Projection matrix */ + _math_matrix_dtr( &ctx->_ModelProjectMatrix ); + +} + + +/** + * Initialize the context transform attribute group. + * + * \param ctx GL context. + * + * \todo Move this to a new file with other 'transform' routines. + */ +void _mesa_init_transform( GLcontext *ctx ) +{ + GLint i; + + /* Transformation group */ + ctx->Transform.MatrixMode = GL_MODELVIEW; + ctx->Transform.Normalize = GL_FALSE; + ctx->Transform.RescaleNormals = GL_FALSE; + ctx->Transform.RasterPositionUnclipped = GL_FALSE; + for (i=0;i<MAX_CLIP_PLANES;i++) { + ASSIGN_4V( ctx->Transform.EyeUserPlane[i], 0.0, 0.0, 0.0, 0.0 ); + } + ctx->Transform.ClipPlanesEnabled = 0; + + ASSIGN_4V( ctx->Transform.CullObjPos, 0.0, 0.0, 1.0, 0.0 ); + ASSIGN_4V( ctx->Transform.CullEyePos, 0.0, 0.0, 1.0, 0.0 ); +} + + +/** + * Initialize the context viewport attribute group. + * + * \param ctx GL context. + * + * \todo Move this to a new file with other 'viewport' routines. + */ +void _mesa_init_viewport( GLcontext *ctx ) +{ + /* Viewport group */ + ctx->Viewport.X = 0; + ctx->Viewport.Y = 0; + ctx->Viewport.Width = 0; + ctx->Viewport.Height = 0; + ctx->Viewport.Near = 0.0; + ctx->Viewport.Far = 1.0; + _math_matrix_ctr(&ctx->Viewport._WindowMap); + +#define Sz 10 +#define Tz 14 + ctx->Viewport._WindowMap.m[Sz] = 0.5F * ctx->DepthMaxF; + ctx->Viewport._WindowMap.m[Tz] = 0.5F * ctx->DepthMaxF; +#undef Sz +#undef Tz + + ctx->Viewport._WindowMap.flags = MAT_FLAG_GENERAL_SCALE|MAT_FLAG_TRANSLATION; + ctx->Viewport._WindowMap.type = MATRIX_3D_NO_ROT; +} + + +/** + * Free the context viewport attribute group data. + * + * \param ctx GL context. + * + * \todo Move this to a new file with other 'viewport' routines. + */ +void _mesa_free_viewport_data( GLcontext *ctx ) +{ + _math_matrix_dtr(&ctx->Viewport._WindowMap); +} + +/*@}*/ diff --git a/src/mesa/main/matrix.h b/src/mesa/main/matrix.h new file mode 100644 index 0000000..3876986 --- /dev/null +++ b/src/mesa/main/matrix.h @@ -0,0 +1,131 @@ +/** + * \file matrix.h + * Matrix operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef MATRIX_H +#define MATRIX_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_Frustum( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ); + +extern void GLAPIENTRY +_mesa_Ortho( GLdouble left, GLdouble right, + GLdouble bottom, GLdouble top, + GLdouble nearval, GLdouble farval ); + +extern void GLAPIENTRY +_mesa_PushMatrix( void ); + +extern void GLAPIENTRY +_mesa_PopMatrix( void ); + +extern void GLAPIENTRY +_mesa_LoadIdentity( void ); + +extern void GLAPIENTRY +_mesa_LoadMatrixf( const GLfloat *m ); + +extern void GLAPIENTRY +_mesa_LoadMatrixd( const GLdouble *m ); + +extern void GLAPIENTRY +_mesa_MatrixMode( GLenum mode ); + +extern void GLAPIENTRY +_mesa_MultMatrixf( const GLfloat *m ); + +extern void GLAPIENTRY +_mesa_MultMatrixd( const GLdouble *m ); + +extern void GLAPIENTRY +_mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ); + +extern void GLAPIENTRY +_mesa_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z ); + +extern void GLAPIENTRY +_mesa_Scalef( GLfloat x, GLfloat y, GLfloat z ); + +extern void GLAPIENTRY +_mesa_Scaled( GLdouble x, GLdouble y, GLdouble z ); + +extern void GLAPIENTRY +_mesa_Translatef( GLfloat x, GLfloat y, GLfloat z ); + +extern void GLAPIENTRY +_mesa_Translated( GLdouble x, GLdouble y, GLdouble z ); + +extern void GLAPIENTRY +_mesa_LoadTransposeMatrixfARB( const GLfloat *m ); + +extern void GLAPIENTRY +_mesa_LoadTransposeMatrixdARB( const GLdouble *m ); + +extern void GLAPIENTRY +_mesa_MultTransposeMatrixfARB( const GLfloat *m ); + +extern void GLAPIENTRY +_mesa_MultTransposeMatrixdARB( const GLdouble *m ); + +extern void GLAPIENTRY +_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height ); + +extern void +_mesa_set_viewport( GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height ); + +extern void GLAPIENTRY +_mesa_DepthRange( GLclampd nearval, GLclampd farval ); + + +extern void +_mesa_init_matrix( GLcontext * ctx ); + +extern void +_mesa_init_transform( GLcontext *ctx ); + +extern void +_mesa_init_viewport( GLcontext *ctx ); + +extern void +_mesa_free_matrix_data( GLcontext *ctx ); + +extern void +_mesa_free_viewport_data( GLcontext *ctx ); + +extern void +_mesa_update_modelview_project( GLcontext *ctx, GLuint newstate ); + + +#endif diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h new file mode 100644 index 0000000..9da1e58 --- /dev/null +++ b/src/mesa/main/mtypes.h @@ -0,0 +1,2455 @@ +/** + * \file mtypes.h + * Main Mesa data structures. + * + * Please try to mark derived values with a leading underscore ('_'). + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +#ifndef TYPES_H +#define TYPES_H + + +#include "glheader.h" +#include "config.h" /* Hardwired parameters */ +#include "glapitable.h" +#include "glthread.h" +#include "math/m_matrix.h" /* GLmatrix */ + + +/** + * Color channel data type. + */ +#if CHAN_BITS == 8 + typedef GLubyte GLchan; +#define CHAN_MAX 255 +#define CHAN_MAXF 255.0F +#define CHAN_TYPE GL_UNSIGNED_BYTE +#elif CHAN_BITS == 16 + typedef GLushort GLchan; +#define CHAN_MAX 65535 +#define CHAN_MAXF 65535.0F +#define CHAN_TYPE GL_UNSIGNED_SHORT +#elif CHAN_BITS == 32 + typedef GLfloat GLchan; +#define CHAN_MAX 1.0 +#define CHAN_MAXF 1.0F +#define CHAN_TYPE GL_FLOAT +#else +#error "illegal number of color channel bits" +#endif + + +/** + * Accumulation buffer data type. + */ +#if ACCUM_BITS==8 + typedef GLbyte GLaccum; +#elif ACCUM_BITS==16 + typedef GLshort GLaccum; +#elif ACCUM_BITS==32 + typedef GLfloat GLaccum; +#else +# error "illegal number of accumulation bits" +#endif + + +/** + * Stencil buffer data type. + */ +#if STENCIL_BITS==8 + typedef GLubyte GLstencil; +# define STENCIL_MAX 0xff +#elif STENCIL_BITS==16 + typedef GLushort GLstencil; +# define STENCIL_MAX 0xffff +#else +# error "illegal number of stencil bits" +#endif + + +/** + * Depth buffer data type. + * + * \note Must be 32-bits! + */ +typedef GLuint GLdepth; + + +/** + * Fixed point data type. + */ +typedef int GLfixed; +/* + * Fixed point arithmetic macros + */ +#ifndef FIXED_FRAC_BITS +#define FIXED_FRAC_BITS 11 +#endif + +#define FIXED_SHIFT FIXED_FRAC_BITS +#define FIXED_ONE (1 << FIXED_SHIFT) +#define FIXED_HALF (1 << (FIXED_SHIFT-1)) +#define FIXED_FRAC_MASK (FIXED_ONE - 1) +#define FIXED_INT_MASK (~FIXED_FRAC_MASK) +#define FIXED_EPSILON 1 +#define FIXED_SCALE ((float) FIXED_ONE) +#define FIXED_DBL_SCALE ((double) FIXED_ONE) +#define FloatToFixed(X) (IROUND((X) * FIXED_SCALE)) +#define FixedToDouble(X) ((X) * (1.0 / FIXED_DBL_SCALE)) +#define IntToFixed(I) ((I) << FIXED_SHIFT) +#define FixedToInt(X) ((X) >> FIXED_SHIFT) +#define FixedToUns(X) (((unsigned int)(X)) >> FIXED_SHIFT) +#define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK) +#define FixedFloor(X) ((X) & FIXED_INT_MASK) +#define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE)) +#define PosFloatToFixed(X) FloatToFixed(X) +#define SignedFloatToFixed(X) FloatToFixed(X) + + + +/** + * \name Some forward type declarations + */ +/*@{*/ +struct _mesa_HashTable; +struct gl_texture_image; +struct gl_texture_object; +typedef struct __GLcontextRec GLcontext; +typedef struct __GLcontextModesRec GLvisual; +typedef struct gl_frame_buffer GLframebuffer; +struct gl_pixelstore_attrib; +struct gl_texture_format; +/*@}*/ + + + +/** + * These define the aliases between numbered vertex attributes and + * conventional OpenGL vertex attributes. We use these values in + * quite a few places. + * + * New in Mesa 4.1. + */ +enum { + VERT_ATTRIB_POS = 0, + VERT_ATTRIB_WEIGHT = 1, + VERT_ATTRIB_NORMAL = 2, + VERT_ATTRIB_COLOR0 = 3, + VERT_ATTRIB_COLOR1 = 4, + VERT_ATTRIB_FOG = 5, + VERT_ATTRIB_SIX = 6, + VERT_ATTRIB_SEVEN = 7, + VERT_ATTRIB_TEX0 = 8, + VERT_ATTRIB_TEX1 = 9, + VERT_ATTRIB_TEX2 = 10, + VERT_ATTRIB_TEX3 = 11, + VERT_ATTRIB_TEX4 = 12, + VERT_ATTRIB_TEX5 = 13, + VERT_ATTRIB_TEX6 = 14, + VERT_ATTRIB_TEX7 = 15, + VERT_ATTRIB_MAX = 16 +} ; + +/* These are used in bitfields in many places */ +#define VERT_BIT_POS (1 << VERT_ATTRIB_POS) +#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT) +#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL) +#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0) +#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1) +#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG) +#define VERT_BIT_SIX (1 << VERT_ATTRIB_SIX) +#define VERT_BIT_SEVEN (1 << VERT_ATTRIB_SEVEN) +#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0) +#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1) +#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2) +#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3) +#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4) +#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5) +#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6) +#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7) + +#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u))) + + +/* Fragment programs use a different but related set of attributes: + */ + +/* Fragment input registers / attributes */ +#define FRAG_ATTRIB_WPOS 0 +#define FRAG_ATTRIB_COL0 1 +#define FRAG_ATTRIB_COL1 2 +#define FRAG_ATTRIB_FOGC 3 +#define FRAG_ATTRIB_TEX0 4 +#define FRAG_ATTRIB_TEX1 5 +#define FRAG_ATTRIB_TEX2 6 +#define FRAG_ATTRIB_TEX3 7 +#define FRAG_ATTRIB_TEX4 8 +#define FRAG_ATTRIB_TEX5 9 +#define FRAG_ATTRIB_TEX6 10 +#define FRAG_ATTRIB_TEX7 11 + +/* Bitmasks for the above */ +#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS) +#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0) +#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1) +#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC) +#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0) +#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1) +#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2) +#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3) +#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4) +#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5) +#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6) +#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7) + +#define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \ + FRAG_BIT_TEX1| \ + FRAG_BIT_TEX2| \ + FRAG_BIT_TEX3| \ + FRAG_BIT_TEX4| \ + FRAG_BIT_TEX5| \ + FRAG_BIT_TEX6| \ + FRAG_BIT_TEX7) + + +/** + * Bits for each basic buffer in a complete framebuffer. + * When glDrawBuffer(GL_FRONT_AND_BACK) is called (non-stereo), + * _DrawDestMask will be set to (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT), + * for example. Also passed to ctx->Driver.Clear() to indicate which + * buffers to clear. + */ +/*@{*/ +#define DD_FRONT_LEFT_BIT 0x1 +#define DD_FRONT_RIGHT_BIT 0x2 +#define DD_BACK_LEFT_BIT 0x4 +#define DD_BACK_RIGHT_BIT 0x8 +#define DD_AUX0_BIT 0x10 +#define DD_AUX1_BIT 0x20 +#define DD_AUX2_BIT 0x40 +#define DD_AUX3_BIT 0x80 +#define DD_DEPTH_BIT GL_DEPTH_BUFFER_BIT /* 0x00000100 */ +#define DD_ACCUM_BIT GL_ACCUM_BUFFER_BIT /* 0x00000200 */ +#define DD_STENCIL_BIT GL_STENCIL_BUFFER_BIT /* 0x00000400 */ +/*@}*/ + + +/** + * Maximum number of temporary vertices required for clipping. + * + * Used in array_cache and tnl modules. + */ +#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1) + + +/** + * Data structure for color tables + */ +struct gl_color_table { + GLenum Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */ + GLenum IntFormat; + GLuint Size; /**< number of entries (rows) in table */ + GLvoid *Table; /**< points to data of <Type> */ + GLenum Type; /**< GL_UNSIGNED_BYTE or GL_FLOAT */ + GLubyte RedSize; + GLubyte GreenSize; + GLubyte BlueSize; + GLubyte AlphaSize; + GLubyte LuminanceSize; + GLubyte IntensitySize; +}; + + +/** + * \name Bit flags used for updating material values. + */ +/*@{*/ +#define MAT_ATTRIB_FRONT_AMBIENT 0 +#define MAT_ATTRIB_BACK_AMBIENT 1 +#define MAT_ATTRIB_FRONT_DIFFUSE 2 +#define MAT_ATTRIB_BACK_DIFFUSE 3 +#define MAT_ATTRIB_FRONT_SPECULAR 4 +#define MAT_ATTRIB_BACK_SPECULAR 5 +#define MAT_ATTRIB_FRONT_EMISSION 6 +#define MAT_ATTRIB_BACK_EMISSION 7 +#define MAT_ATTRIB_FRONT_SHININESS 8 +#define MAT_ATTRIB_BACK_SHININESS 9 +#define MAT_ATTRIB_FRONT_INDEXES 10 +#define MAT_ATTRIB_BACK_INDEXES 11 +#define MAT_ATTRIB_MAX 12 + +#define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f)) +#define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f)) +#define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f)) +#define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f)) +#define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f)) +#define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f)) + +#define MAT_INDEX_AMBIENT 0 +#define MAT_INDEX_DIFFUSE 1 +#define MAT_INDEX_SPECULAR 2 + +#define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT) +#define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT) +#define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE) +#define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE) +#define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR) +#define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR) +#define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION) +#define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION) +#define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS) +#define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS) +#define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES) +#define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES) + + +#define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \ + MAT_BIT_FRONT_AMBIENT | \ + MAT_BIT_FRONT_DIFFUSE | \ + MAT_BIT_FRONT_SPECULAR | \ + MAT_BIT_FRONT_SHININESS | \ + MAT_BIT_FRONT_INDEXES) + +#define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \ + MAT_BIT_BACK_AMBIENT | \ + MAT_BIT_BACK_DIFFUSE | \ + MAT_BIT_BACK_SPECULAR | \ + MAT_BIT_BACK_SHININESS | \ + MAT_BIT_BACK_INDEXES) + +#define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS) +/*@}*/ + + +#define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */ +#define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */ + +/** + * Material shininess lookup table. + */ +struct gl_shine_tab { + struct gl_shine_tab *next, *prev; + GLfloat tab[SHINE_TABLE_SIZE+1]; + GLfloat shininess; + GLuint refcount; +}; + + +/** + * Light. + */ +struct gl_light { + struct gl_light *next; /**< double linked list with sentinel */ + struct gl_light *prev; + + GLfloat Ambient[4]; /**< ambient color */ + GLfloat Diffuse[4]; /**< diffuse color */ + GLfloat Specular[4]; /**< specular color */ + GLfloat EyePosition[4]; /**< position in eye coordinates */ + GLfloat EyeDirection[4]; /**< spotlight dir in eye coordinates */ + GLfloat SpotExponent; + GLfloat SpotCutoff; /**< in degrees */ + GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */ + GLfloat ConstantAttenuation; + GLfloat LinearAttenuation; + GLfloat QuadraticAttenuation; + GLboolean Enabled; /**< On/off flag */ + + /** + * \name Derived fields + */ + /*@{*/ + GLuint _Flags; /**< State */ + + GLfloat _Position[4]; /**< position in eye/obj coordinates */ + GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */ + GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */ + GLfloat _NormDirection[4]; /**< normalized spotlight direction */ + GLfloat _VP_inf_spot_attenuation; + + GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /**< to replace a pow() call */ + GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */ + GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */ + GLfloat _MatSpecular[2][3]; /**< material spec * light specular */ + GLfloat _dli; /**< CI diffuse light intensity */ + GLfloat _sli; /**< CI specular light intensity */ + /*@}*/ +}; + + +/** + * Light model. + */ +struct gl_lightmodel { + GLfloat Ambient[4]; /**< ambient color */ + GLboolean LocalViewer; /**< Local (or infinite) view point? */ + GLboolean TwoSide; /**< Two (or one) sided lighting? */ + GLenum ColorControl; /**< either GL_SINGLE_COLOR + * or GL_SEPARATE_SPECULAR_COLOR */ +}; + + +/** + * Material. + */ +struct gl_material +{ + GLfloat Attrib[MAT_ATTRIB_MAX][4]; +}; + + +/** + * Accumulation buffer attributes. + */ +struct gl_accum_attrib { + GLfloat ClearColor[4]; /**< Accumulation buffer clear color */ +}; + + +/** + * Color buffers attributes. + */ +struct gl_colorbuffer_attrib { + GLuint ClearIndex; /**< Index to use for glClear */ + GLclampf ClearColor[4]; /**< Color to use for glClear */ + + GLuint IndexMask; /**< Color index write mask */ + GLubyte ColorMask[4]; /**< Each flag is 0xff or 0x0 */ + + GLenum DrawBuffer; /**< Which buffer to draw into */ + GLbitfield _DrawDestMask; /**< bitmask of DD_*_BIT bits */ + + /** + * \name alpha testing + */ + /*@{*/ + GLboolean AlphaEnabled; /**< Alpha test enabled flag */ + GLenum AlphaFunc; /**< Alpha test function */ + GLclampf AlphaRef; /**< Alpha reference value */ + /*@}*/ + + /** + * \name Blending + */ + /*@{*/ + GLboolean BlendEnabled; /**< Blending enabled flag */ + GLenum BlendSrcRGB; /**< Blending source operator */ + GLenum BlendDstRGB; /**< Blending destination operator */ + GLenum BlendSrcA; /**< GL_INGR_blend_func_separate */ + GLenum BlendDstA; /**< GL_INGR_blend_func_separate */ + GLenum BlendEquationRGB; /**< Blending equation */ + GLenum BlendEquationA; /**< GL_EXT_blend_equation_separate */ + GLfloat BlendColor[4]; /**< Blending color */ + /*@}*/ + + /** + * \name Logic op + */ + /*@{*/ + GLenum LogicOp; /**< Logic operator */ + GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */ + GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */ + GLboolean _LogicOpEnabled; /**< RGBA logic op + EXT_blend_logic_op enabled flag */ + /*@}*/ + + GLboolean DitherFlag; /**< Dither enable flag */ +}; + + +/** + * Current attributes. + */ +struct gl_current_attrib { + /** + * \name Values valid only when FLUSH_VERTICES has been called. + */ + /*@{*/ + GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Current vertex attributes + * indexed by VERT_ATTRIB_* */ + GLfloat Index; /**< Current color index */ + GLboolean EdgeFlag; /**< Current edge flag */ + /*@}*/ + + /** + * \name Values are always valid. + * + * \note BTW, note how similar this set of attributes is to the SWvertex + * data type in the software rasterizer... + */ + /*@{*/ + GLfloat RasterPos[4]; /**< Current raster position */ + GLfloat RasterDistance; /**< Current raster distance */ + GLfloat RasterColor[4]; /**< Current raster color */ + GLfloat RasterSecondaryColor[4]; /**< Current raster secondary color */ + GLfloat RasterIndex; /**< Current raster index */ + GLfloat RasterTexCoords[MAX_TEXTURE_UNITS][4];/**< Current raster texcoords */ + GLboolean RasterPosValid; /**< Raster pos valid flag */ + /*@}*/ +}; + + +/** + * Depth buffer attributes. + */ +struct gl_depthbuffer_attrib { + GLenum Func; /**< Function for depth buffer compare */ + GLclampd Clear; /**< Value to clear depth buffer to */ + GLboolean Test; /**< Depth buffering enabled flag */ + GLboolean Mask; /**< Depth buffer writable? */ + GLboolean OcclusionTest; /**< GL_HP_occlusion_test */ + GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */ + GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */ +}; + + +/** + * glEnable()/glDisable() attributes. + */ +struct gl_enable_attrib { + GLboolean AlphaTest; + GLboolean AutoNormal; + GLboolean Blend; + GLuint ClipPlanes; + GLboolean ColorMaterial; + GLboolean ColorTable; /* SGI_color_table */ + GLboolean PostColorMatrixColorTable; /* SGI_color_table */ + GLboolean PostConvolutionColorTable; /* SGI_color_table */ + GLboolean Convolution1D; + GLboolean Convolution2D; + GLboolean Separable2D; + GLboolean CullFace; + GLboolean DepthTest; + GLboolean Dither; + GLboolean Fog; + GLboolean Histogram; + GLboolean Light[MAX_LIGHTS]; + GLboolean Lighting; + GLboolean LineSmooth; + GLboolean LineStipple; + GLboolean IndexLogicOp; + GLboolean ColorLogicOp; + GLboolean Map1Color4; + GLboolean Map1Index; + GLboolean Map1Normal; + GLboolean Map1TextureCoord1; + GLboolean Map1TextureCoord2; + GLboolean Map1TextureCoord3; + GLboolean Map1TextureCoord4; + GLboolean Map1Vertex3; + GLboolean Map1Vertex4; + GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */ + GLboolean Map2Color4; + GLboolean Map2Index; + GLboolean Map2Normal; + GLboolean Map2TextureCoord1; + GLboolean Map2TextureCoord2; + GLboolean Map2TextureCoord3; + GLboolean Map2TextureCoord4; + GLboolean Map2Vertex3; + GLboolean Map2Vertex4; + GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */ + GLboolean MinMax; + GLboolean Normalize; + GLboolean PixelTexture; + GLboolean PointSmooth; + GLboolean PolygonOffsetPoint; + GLboolean PolygonOffsetLine; + GLboolean PolygonOffsetFill; + GLboolean PolygonSmooth; + GLboolean PolygonStipple; + GLboolean RescaleNormals; + GLboolean Scissor; + GLboolean Stencil; + GLboolean MultisampleEnabled; /* GL_ARB_multisample */ + GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */ + GLboolean SampleAlphaToOne; /* GL_ARB_multisample */ + GLboolean SampleCoverage; /* GL_ARB_multisample */ + GLboolean SampleCoverageInvert; /* GL_ARB_multisample */ + GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */ + GLuint Texture[MAX_TEXTURE_IMAGE_UNITS]; + GLuint TexGen[MAX_TEXTURE_COORD_UNITS]; + /* SGI_texture_color_table */ + GLboolean TextureColorTable[MAX_TEXTURE_IMAGE_UNITS]; + /* GL_NV_vertex_program */ + GLboolean VertexProgram; + GLboolean VertexProgramPointSize; + GLboolean VertexProgramTwoSide; + /* GL_ARB_point_sprite / GL_NV_point_sprite */ + GLboolean PointSprite; +}; + + +/** + * Eval attributes. + */ +struct gl_eval_attrib { + /** + * \name Enable bits + */ + /*@{*/ + GLboolean Map1Color4; + GLboolean Map1Index; + GLboolean Map1Normal; + GLboolean Map1TextureCoord1; + GLboolean Map1TextureCoord2; + GLboolean Map1TextureCoord3; + GLboolean Map1TextureCoord4; + GLboolean Map1Vertex3; + GLboolean Map1Vertex4; + GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */ + GLboolean Map2Color4; + GLboolean Map2Index; + GLboolean Map2Normal; + GLboolean Map2TextureCoord1; + GLboolean Map2TextureCoord2; + GLboolean Map2TextureCoord3; + GLboolean Map2TextureCoord4; + GLboolean Map2Vertex3; + GLboolean Map2Vertex4; + GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */ + GLboolean AutoNormal; + /*@}*/ + + /** + * \name Map Grid endpoints and divisions and calculated du values + */ + /*@{*/ + GLint MapGrid1un; + GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du; + GLint MapGrid2un, MapGrid2vn; + GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du; + GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv; + /*@}*/ +}; + + +/** + * Fog attributes. + */ +struct gl_fog_attrib { + GLboolean Enabled; /**< Fog enabled flag */ + GLfloat Color[4]; /**< Fog color */ + GLfloat Density; /**< Density >= 0.0 */ + GLfloat Start; /**< Start distance in eye coords */ + GLfloat End; /**< End distance in eye coords */ + GLfloat Index; /**< Fog index */ + GLenum Mode; /**< Fog mode */ + GLboolean ColorSumEnabled; + GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */ +}; + + +/** + * Hint attributes. + * + * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE. + */ +struct gl_hint_attrib { + GLenum PerspectiveCorrection; + GLenum PointSmooth; + GLenum LineSmooth; + GLenum PolygonSmooth; + GLenum Fog; + GLenum ClipVolumeClipping; /**< GL_EXT_clip_volume_hint */ + GLenum TextureCompression; /**< GL_ARB_texture_compression */ + GLenum GenerateMipmap; /**< GL_SGIS_generate_mipmap */ +}; + + +/** + * Histogram attributes. + */ +struct gl_histogram_attrib { + GLuint Width; /**< number of table entries */ + GLint Format; /**< GL_ALPHA, GL_RGB, etc */ + GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */ + GLboolean Sink; /**< terminate image transfer? */ + GLubyte RedSize; /**< Bits per counter */ + GLubyte GreenSize; + GLubyte BlueSize; + GLubyte AlphaSize; + GLubyte LuminanceSize; +}; + + +struct gl_minmax_attrib { + GLenum Format; + GLboolean Sink; + GLfloat Min[4], Max[4]; /**< RGBA */ +}; + + +struct gl_convolution_attrib { + GLenum Format; + GLenum InternalFormat; + GLuint Width; + GLuint Height; + GLfloat Filter[MAX_CONVOLUTION_WIDTH * MAX_CONVOLUTION_HEIGHT * 4]; +}; + + +#define LIGHT_SPOT 0x1 +#define LIGHT_LOCAL_VIEWER 0x2 +#define LIGHT_POSITIONAL 0x4 +#define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER) + +/** + * Lighting attributes. + */ +struct gl_light_attrib { + struct gl_light Light[MAX_LIGHTS]; /**< Array of lights */ + struct gl_lightmodel Model; /**< Lighting model */ + + /** + * Must flush FLUSH_VERTICES before referencing: + */ + /*@{*/ + struct gl_material Material; /**< Includes front & back values */ + /*@}*/ + + GLboolean Enabled; /**< Lighting enabled flag */ + GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */ + GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */ + GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */ + GLuint ColorMaterialBitmask; /**< bitmask formed from Face and Mode */ + GLboolean ColorMaterialEnabled; + + struct gl_light EnabledList; /**< List sentinel */ + + /** + * Derived for optimizations: + */ + /*@{*/ + GLboolean _NeedEyeCoords; + GLboolean _NeedVertices; /**< Use fast shader? */ + GLuint _Flags; /**< LIGHT_* flags, see above */ + GLfloat _BaseColor[2][3]; + /*@}*/ +}; + + +/** + * Line attributes. + */ +struct gl_line_attrib { + GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */ + GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */ + GLushort StipplePattern; /**< Stipple pattern */ + GLint StippleFactor; /**< Stipple repeat factor */ + GLfloat Width; /**< Line width */ + GLfloat _Width; /**< Clamped Line width */ +}; + + +struct gl_list_attrib { + GLuint ListBase; +}; + + +struct gl_list_instruction { + GLuint Size; + void (*Execute)( GLcontext *ctx, void *data ); + void (*Destroy)( GLcontext *ctx, void *data ); + void (*Print)( GLcontext *ctx, void *data ); +}; + +#define MAX_DLIST_EXT_OPCODES 16 + +struct gl_list_extensions { + struct gl_list_instruction Opcode[MAX_DLIST_EXT_OPCODES]; + GLuint NumOpcodes; +}; + + +struct gl_multisample_attrib { + GLboolean Enabled; + GLboolean SampleAlphaToCoverage; + GLboolean SampleAlphaToOne; + GLboolean SampleCoverage; + GLfloat SampleCoverageValue; + GLboolean SampleCoverageInvert; +}; + + +/** + * Pixel attributes. + */ +struct gl_pixel_attrib { + GLenum ReadBuffer; /**< source buffer for glReadPixels()/glCopyPixels() */ + GLubyte _ReadSrcMask; /**< Not really a mask, but like _DrawDestMask + * + * May be: FRONT_LEFT_BIT, BACK_LEFT_BIT, + * FRONT_RIGHT_BIT or BACK_RIGHT_BIT. */ + GLfloat RedBias, RedScale; + GLfloat GreenBias, GreenScale; + GLfloat BlueBias, BlueScale; + GLfloat AlphaBias, AlphaScale; + GLfloat DepthBias, DepthScale; + GLint IndexShift, IndexOffset; + GLboolean MapColorFlag; + GLboolean MapStencilFlag; + GLfloat ZoomX, ZoomY; + /* XXX move these out of gl_pixel_attrib */ + GLint MapStoSsize; /**< Size of each pixel map */ + GLint MapItoIsize; + GLint MapItoRsize; + GLint MapItoGsize; + GLint MapItoBsize; + GLint MapItoAsize; + GLint MapRtoRsize; + GLint MapGtoGsize; + GLint MapBtoBsize; + GLint MapAtoAsize; + GLint MapStoS[MAX_PIXEL_MAP_TABLE]; /**< Pixel map tables */ + GLint MapItoI[MAX_PIXEL_MAP_TABLE]; + GLfloat MapItoR[MAX_PIXEL_MAP_TABLE]; + GLfloat MapItoG[MAX_PIXEL_MAP_TABLE]; + GLfloat MapItoB[MAX_PIXEL_MAP_TABLE]; + GLfloat MapItoA[MAX_PIXEL_MAP_TABLE]; + GLubyte MapItoR8[MAX_PIXEL_MAP_TABLE]; /**< converted to 8-bit color */ + GLubyte MapItoG8[MAX_PIXEL_MAP_TABLE]; + GLubyte MapItoB8[MAX_PIXEL_MAP_TABLE]; + GLubyte MapItoA8[MAX_PIXEL_MAP_TABLE]; + GLfloat MapRtoR[MAX_PIXEL_MAP_TABLE]; + GLfloat MapGtoG[MAX_PIXEL_MAP_TABLE]; + GLfloat MapBtoB[MAX_PIXEL_MAP_TABLE]; + GLfloat MapAtoA[MAX_PIXEL_MAP_TABLE]; + /** GL_EXT_histogram */ + GLboolean HistogramEnabled; + GLboolean MinMaxEnabled; + /** GL_SGIS_pixel_texture */ + GLboolean PixelTextureEnabled; + GLenum FragmentRgbSource; + GLenum FragmentAlphaSource; + /** GL_SGI_color_matrix */ + GLfloat PostColorMatrixScale[4]; /**< RGBA */ + GLfloat PostColorMatrixBias[4]; /**< RGBA */ + /** GL_SGI_color_table */ + GLfloat ColorTableScale[4]; + GLfloat ColorTableBias[4]; + GLboolean ColorTableEnabled; + GLfloat PCCTscale[4]; + GLfloat PCCTbias[4]; + GLboolean PostConvolutionColorTableEnabled; + GLfloat PCMCTscale[4]; + GLfloat PCMCTbias[4]; + GLboolean PostColorMatrixColorTableEnabled; + /** GL_SGI_texture_color_table */ + GLfloat TextureColorTableScale[4]; + GLfloat TextureColorTableBias[4]; + /** Convolution */ + GLboolean Convolution1DEnabled; + GLboolean Convolution2DEnabled; + GLboolean Separable2DEnabled; + GLfloat ConvolutionBorderColor[3][4]; + GLenum ConvolutionBorderMode[3]; + GLfloat ConvolutionFilterScale[3][4]; + GLfloat ConvolutionFilterBias[3][4]; + GLfloat PostConvolutionScale[4]; /**< RGBA */ + GLfloat PostConvolutionBias[4]; /**< RGBA */ +}; + + +/** + * Point attributes. + */ +struct gl_point_attrib { + GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */ + GLfloat Size; /**< User-specified point size */ + GLfloat _Size; /**< Size clamped to Const.Min/MaxPointSize */ + GLfloat Params[3]; /**< GL_EXT_point_parameters */ + GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */ + GLfloat Threshold; /**< GL_EXT_point_parameters */ + GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */ + GLboolean PointSprite; /**< GL_NV_point_sprite / GL_NV_point_sprite */ + GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_NV_point_sprite / GL_NV_point_sprite */ + GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */ + GLenum SpriteOrigin; /**< GL_ARB_point_sprite */ +}; + + +/** + * Polygon attributes. + */ +struct gl_polygon_attrib { + GLenum FrontFace; /**< Either GL_CW or GL_CCW */ + GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ + GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ + GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */ + GLboolean CullFlag; /**< Culling on/off flag */ + GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */ + GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */ + GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */ + GLfloat OffsetFactor; /**< Polygon offset factor, from user */ + GLfloat OffsetUnits; /**< Polygon offset units, from user */ + GLboolean OffsetPoint; /**< Offset in GL_POINT mode */ + GLboolean OffsetLine; /**< Offset in GL_LINE mode */ + GLboolean OffsetFill; /**< Offset in GL_FILL mode */ +}; + + +/** + * Scissor attributes. + */ +struct gl_scissor_attrib { + GLboolean Enabled; /**< Scissor test enabled? */ + GLint X, Y; /**< Lower left corner of box */ + GLsizei Width, Height; /**< Size of box */ +}; + + +/** + * Stencil attributes. + */ +struct gl_stencil_attrib { + GLboolean Enabled; /**< Enabled flag */ + GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */ + GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 1) */ + GLenum Function[2]; /**< Stencil function */ + GLenum FailFunc[2]; /**< Fail function */ + GLenum ZPassFunc[2]; /**< Depth buffer pass function */ + GLenum ZFailFunc[2]; /**< Depth buffer fail function */ + GLstencil Ref[2]; /**< Reference value */ + GLstencil ValueMask[2]; /**< Value mask */ + GLstencil WriteMask[2]; /**< Write mask */ + GLstencil Clear; /**< Clear value */ +}; + + +#define NUM_TEXTURE_TARGETS 5 /* 1D, 2D, 3D, CUBE and RECT */ + +#define TEXTURE_1D_INDEX 0 +#define TEXTURE_2D_INDEX 1 +#define TEXTURE_3D_INDEX 2 +#define TEXTURE_CUBE_INDEX 3 +#define TEXTURE_RECT_INDEX 4 + +/* Texture.Unit[]._ReallyEnabled flags: */ +#define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX) +#define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX) +#define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX) +#define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX) +#define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX) + + +/* TexGenEnabled flags */ +#define S_BIT 1 +#define T_BIT 2 +#define R_BIT 4 +#define Q_BIT 8 + +/* Bitmap versions of the GL_ constants. */ +#define TEXGEN_SPHERE_MAP 0x1 +#define TEXGEN_OBJ_LINEAR 0x2 +#define TEXGEN_EYE_LINEAR 0x4 +#define TEXGEN_REFLECTION_MAP_NV 0x8 +#define TEXGEN_NORMAL_MAP_NV 0x10 + +#define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \ + TEXGEN_REFLECTION_MAP_NV | \ + TEXGEN_NORMAL_MAP_NV) +#define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \ + TEXGEN_REFLECTION_MAP_NV | \ + TEXGEN_NORMAL_MAP_NV | \ + TEXGEN_EYE_LINEAR) + +/* A selection of state flags to make driver and module's lives easier. */ +#define ENABLE_TEXGEN0 0x1 +#define ENABLE_TEXGEN1 0x2 +#define ENABLE_TEXGEN2 0x4 +#define ENABLE_TEXGEN3 0x8 +#define ENABLE_TEXGEN4 0x10 +#define ENABLE_TEXGEN5 0x20 +#define ENABLE_TEXGEN6 0x40 +#define ENABLE_TEXGEN7 0x80 + +#define ENABLE_TEXMAT0 0x1 /* Ie. not the identity matrix */ +#define ENABLE_TEXMAT1 0x2 +#define ENABLE_TEXMAT2 0x4 +#define ENABLE_TEXMAT3 0x8 +#define ENABLE_TEXMAT4 0x10 +#define ENABLE_TEXMAT5 0x20 +#define ENABLE_TEXMAT6 0x40 +#define ENABLE_TEXMAT7 0x80 + +#define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i)) +#define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i)) + + +/** + * Texel fetch function prototype. We use texel fetch functions to + * extract RGBA, color indexes and depth components out of 1D, 2D and 3D + * texture images. These functions help to isolate us from the gritty + * details of all the various texture image encodings. + * + * \param texImage texture image. + * \param col texel column. + * \param row texel row. + * \param img texel image level/layer. + * \param texelOut output texel (up to 4 GLchans) + */ +typedef void (*FetchTexelFuncC)( const struct gl_texture_image *texImage, + GLint col, GLint row, GLint img, + GLchan *texelOut ); + +/** + * As above, but returns floats. + * Used for depth component images and for upcoming signed/float + * texture images. + */ +typedef void (*FetchTexelFuncF)( const struct gl_texture_image *texImage, + GLint col, GLint row, GLint img, + GLfloat *texelOut ); + + +/** + * TexImage store function. This is called by the glTex[Sub]Image + * functions and is responsible for converting the user-specified texture + * image into a specific (hardware) image format. + */ +typedef GLboolean (*StoreTexImageFunc)(GLcontext *ctx, GLuint dims, + GLenum baseInternalFormat, + const struct gl_texture_format *dstFormat, + GLvoid *dstAddr, + GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, + GLint dstRowStride, GLint dstImageStride, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking); + + + +/** + * Texture format record + */ +struct gl_texture_format { + GLint MesaFormat; /**< One of the MESA_FORMAT_* values */ + + GLenum BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, + * GL_LUMINANCE, GL_LUMINANCE_ALPHA, + * GL_INTENSITY, GL_COLOR_INDEX or + * GL_DEPTH_COMPONENT. + */ + GLenum DataType; /**< GL_FLOAT or GL_UNSIGNED_NORMALIZED_ARB */ + GLubyte RedBits; /**< Bits per texel component */ + GLubyte GreenBits; /**< These are just rough approximations for */ + GLubyte BlueBits; /**< compressed texture formats. */ + GLubyte AlphaBits; + GLubyte LuminanceBits; + GLubyte IntensityBits; + GLubyte IndexBits; + GLubyte DepthBits; + + GLuint TexelBytes; /**< Bytes per texel, 0 if compressed format */ + + StoreTexImageFunc StoreImage; + + /** + * \name Texel fetch function pointers + */ + /*@{*/ + FetchTexelFuncC FetchTexel1D; + FetchTexelFuncC FetchTexel2D; + FetchTexelFuncC FetchTexel3D; + FetchTexelFuncF FetchTexel1Df; + FetchTexelFuncF FetchTexel2Df; + FetchTexelFuncF FetchTexel3Df; + /*@}*/ +}; + + +/** + * Texture image record + */ +struct gl_texture_image { + GLenum Format; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, + * GL_LUMINANCE, GL_LUMINANCE_ALPHA, + * GL_INTENSITY, GL_COLOR_INDEX or + * GL_DEPTH_COMPONENT only. + * Used for choosing TexEnv arithmetic. + */ + GLint IntFormat; /**< Internal format as given by the user */ + GLuint Border; /**< 0 or 1 */ + GLuint Width; /**< = 2^WidthLog2 + 2*Border */ + GLuint Height; /**< = 2^HeightLog2 + 2*Border */ + GLuint Depth; /**< = 2^DepthLog2 + 2*Border */ + GLuint RowStride; /**< == Width unless IsClientData and padded */ + GLuint Width2; /**< = Width - 2*Border */ + GLuint Height2; /**< = Height - 2*Border */ + GLuint Depth2; /**< = Depth - 2*Border */ + GLuint WidthLog2; /**< = log2(Width2) */ + GLuint HeightLog2; /**< = log2(Height2) */ + GLuint DepthLog2; /**< = log2(Depth2) */ + GLuint MaxLog2; /**< = MAX(WidthLog2, HeightLog2) */ + GLfloat WidthScale; /**< used for mipmap LOD computation */ + GLfloat HeightScale; /**< used for mipmap LOD computation */ + GLfloat DepthScale; /**< used for mipmap LOD computation */ + GLvoid *Data; /**< Image data, accessed via FetchTexel() */ + GLboolean IsClientData; /**< Data owned by client? */ + GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */ + + const struct gl_texture_format *TexFormat; + + struct gl_texture_object *TexObject; /**< Pointer back to parent object */ + + FetchTexelFuncC FetchTexelc; /**< GLchan texel fetch function pointer */ + FetchTexelFuncF FetchTexelf; /**< Float texel fetch function pointer */ + + GLboolean IsCompressed; /**< GL_ARB_texture_compression */ + GLuint CompressedSize; /**< GL_ARB_texture_compression */ + + /** + * \name For device driver: + */ + /*@{*/ + void *DriverData; /**< Arbitrary device driver data */ + /*@}*/ +}; + +#define FACE_POS_X 0 +#define FACE_NEG_X 1 +#define FACE_POS_Y 2 +#define FACE_NEG_Y 3 +#define FACE_POS_Z 4 +#define FACE_NEG_Z 5 +#define MAX_FACES 6 + +/** + * Texture object record + */ +struct gl_texture_object { + _glthread_Mutex Mutex; /**< for thread safety */ + GLint RefCount; /**< reference count */ + GLboolean DeletePending; /**< Has glDeleteTexture been called? */ + GLuint Name; /**< an unsigned integer */ + GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */ + GLfloat Priority; /**< in [0,1] */ + GLfloat BorderColor[4]; /**< unclamped */ + GLchan _BorderChan[4]; /**< clamped, as GLchan */ + /** \name Wrap modes + * Are GL_CLAMP, REPEAT, GL_CLAMP_TO_EDGE, and GL_CLAMP_TO_BORDER_ARB. */ + /*@{*/ + GLenum WrapS; + GLenum WrapT; + GLenum WrapR; + /*@}*/ + GLenum MinFilter; /**< minification filter */ + GLenum MagFilter; /**< magnification filter */ + GLfloat MinLod; /**< min lambda, OpenGL 1.2 */ + GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */ + GLfloat LodBias; /**< OpenGL 1.4 */ + GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */ + GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */ + GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */ + GLboolean CompareFlag; /**< GL_SGIX_shadow */ + GLenum CompareOperator; /**< GL_SGIX_shadow */ + GLfloat ShadowAmbient; + GLenum CompareMode; /**< GL_ARB_shadow */ + GLenum CompareFunc; /**< GL_ARB_shadow */ + GLenum DepthMode; /**< GL_ARB_depth_texture */ + GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */ + GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */ + GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */ + GLboolean _IsPowerOfTwo; /**< Are all image dimensions powers of two? */ + + struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS]; + + /** GL_EXT_paletted_texture */ + struct gl_color_table Palette; + + GLboolean Complete; /**< Is texture object complete? */ + struct gl_texture_object *Next; /**< Next in linked list */ + + /** + * \name For device driver + */ + /*@{*/ + void *DriverData; /**< Arbitrary device driver data */ + /*@}*/ +}; + +/** + * Texture combine environment state. + * + * \todo + * If GL_NV_texture_env_combine4 is ever supported, the arrays in this + * structure will need to be expanded for 4 elements. + */ +struct gl_tex_env_combine_state { + GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ + GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ + GLenum SourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ + GLenum SourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ + GLenum OperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */ + GLenum OperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */ + GLuint ScaleShiftRGB; /**< 0, 1 or 2 */ + GLuint ScaleShiftA; /**< 0, 1 or 2 */ + GLuint _NumArgsRGB; /**< Number of inputs used for the combine mode. */ + GLuint _NumArgsA; /**< Number of inputs used for the combine mode. */ +}; + +/** + * Texture unit record + */ +struct gl_texture_unit { + GLuint Enabled; /**< bitmask of TEXTURE_*_BIT flags */ + GLuint _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */ + + GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */ + GLfloat EnvColor[4]; + GLuint TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */ + /** \name Tex coord generation mode + * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */ + /*@{*/ + GLenum GenModeS; + GLenum GenModeT; + GLenum GenModeR; + GLenum GenModeQ; + /*@}*/ + GLuint _GenBitS; + GLuint _GenBitT; + GLuint _GenBitR; + GLuint _GenBitQ; + GLuint _GenFlags; /**< bitwise or of GenBit[STRQ] */ + GLfloat ObjectPlaneS[4]; + GLfloat ObjectPlaneT[4]; + GLfloat ObjectPlaneR[4]; + GLfloat ObjectPlaneQ[4]; + GLfloat EyePlaneS[4]; + GLfloat EyePlaneT[4]; + GLfloat EyePlaneR[4]; + GLfloat EyePlaneQ[4]; + GLfloat LodBias; /**< for biasing mipmap levels */ + + /** + * \name GL_EXT_texture_env_combine + */ + struct gl_tex_env_combine_state Combine; + + /** + * Derived state based on \c EnvMode and the \c BaseFormat of the + * currently enabled texture. + */ + struct gl_tex_env_combine_state _EnvMode; + + /** + * Currently enabled combiner state. This will point to either + * \c Combine or \c _EnvMode. + */ + struct gl_tex_env_combine_state *_CurrentCombine; + + struct gl_texture_object *Current1D; + struct gl_texture_object *Current2D; + struct gl_texture_object *Current3D; + struct gl_texture_object *CurrentCubeMap; /**< GL_ARB_texture_cube_map */ + struct gl_texture_object *CurrentRect; /**< GL_NV_texture_rectangle */ + + struct gl_texture_object *_Current; /**< Points to really enabled tex obj */ + + struct gl_texture_object Saved1D; /**< only used by glPush/PopAttrib */ + struct gl_texture_object Saved2D; + struct gl_texture_object Saved3D; + struct gl_texture_object SavedCubeMap; + struct gl_texture_object SavedRect; + + /* GL_SGI_texture_color_table */ + struct gl_color_table ColorTable; + struct gl_color_table ProxyColorTable; + GLboolean ColorTableEnabled; +}; + + +/** + * Texture attributes + */ +struct gl_texture_attrib { + /** + * name multitexture + */ + /**@{*/ + GLuint CurrentUnit; /**< Active texture unit */ + GLuint _EnabledUnits; /**< one bit set for each really-enabled unit */ + GLuint _EnabledCoordUnits; /**< one bit per enabled coordinate unit */ + GLuint _GenFlags; /**< for texgen */ + GLuint _TexGenEnabled; + GLuint _TexMatEnabled; + /**@}*/ + + struct gl_texture_unit Unit[MAX_TEXTURE_UNITS]; + + struct gl_texture_object *Proxy1D; + struct gl_texture_object *Proxy2D; + struct gl_texture_object *Proxy3D; + struct gl_texture_object *ProxyCubeMap; + struct gl_texture_object *ProxyRect; + + /** GL_EXT_shared_texture_palette */ + GLboolean SharedPalette; + struct gl_color_table Palette; +}; + + +/** + * Transformation attributes. + */ +struct gl_transform_attrib { + GLenum MatrixMode; /**< Matrix mode */ + GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */ + GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */ + GLuint ClipPlanesEnabled; /**< on/off bitmask */ + GLboolean Normalize; /**< Normalize all normals? */ + GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */ + GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */ + + GLboolean CullVertexFlag; /**< True if GL_CULL_VERTEX_EXT is enabled */ + GLfloat CullEyePos[4]; + GLfloat CullObjPos[4]; +}; + + +/** + * Viewport attributes. + */ +struct gl_viewport_attrib { + GLint X, Y; /**< position */ + GLsizei Width, Height; /**< size */ + GLfloat Near, Far; /**< Depth buffer range */ + GLmatrix _WindowMap; /**< Mapping transformation as a matrix. */ +}; + + +/** + * Node for the attribute stack + */ +struct gl_attrib_node { + GLbitfield kind; + void *data; + struct gl_attrib_node *next; +}; + + +/** + * GL_ARB_vertex/pixel_buffer_object buffer object + */ +struct gl_buffer_object { + GLint RefCount; + GLuint Name; + GLenum Usage; + GLenum Access; + GLvoid *Pointer; /**< Only valid while buffer is mapped */ + GLuint Size; /**< Size of storage in bytes */ + GLubyte *Data; /**< Location of storage either in RAM or VRAM. */ + GLboolean OnCard; /**< Is buffer in VRAM? (hardware drivers) */ + GLboolean DeletePending; /**< Deleted by user but RefCount > 0? */ +}; + + + +/** + * Client pixel packing/unpacking attributes + */ +struct gl_pixelstore_attrib { + GLint Alignment; + GLint RowLength; + GLint SkipPixels; + GLint SkipRows; + GLint ImageHeight; /**< for GL_EXT_texture3D */ + GLint SkipImages; /**< for GL_EXT_texture3D */ + GLboolean SwapBytes; + GLboolean LsbFirst; + GLboolean ClientStorage; /**< GL_APPLE_client_storage */ + GLboolean Invert; /**< GL_MESA_pack_invert */ + struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */ +}; + + +#define CA_CLIENT_DATA 0x1 /**< Data not allocated by mesa */ + + +/** + * Client vertex array attributes + */ +struct gl_client_array { + GLint Size; /**< components per element (1,2,3,4) */ + GLenum Type; /**< datatype: GL_FLOAT, GL_INT, etc */ + GLsizei Stride; /**< user-specified stride */ + GLsizei StrideB; /**< actual stride in bytes */ + const GLubyte *Ptr; /**< Points to array data */ + GLuint Enabled; /**< one of the _NEW_ARRAY_ bits */ + GLboolean Normalized; /**< GL_ARB_vertex_program */ + + /**< GL_ARB_vertex_buffer_object */ + struct gl_buffer_object *BufferObj; + GLuint _MaxElement; + + GLuint Flags; +}; + + +/** + * Array attributes. + */ +struct gl_array_attrib { + struct gl_client_array Vertex; /**< client data descriptors */ + struct gl_client_array Normal; + struct gl_client_array Color; + struct gl_client_array SecondaryColor; + struct gl_client_array FogCoord; + struct gl_client_array Index; + struct gl_client_array TexCoord[MAX_TEXTURE_COORD_UNITS]; + struct gl_client_array EdgeFlag; + + struct gl_client_array VertexAttrib[VERT_ATTRIB_MAX]; /**< GL_NV_vertex_program */ + + GLint ActiveTexture; /**< Client Active Texture */ + GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */ + GLuint LockCount; /**< GL_EXT_compiled_vertex_array */ + + GLuint _Enabled; /**< _NEW_ARRAY_* - bit set if array enabled */ + GLuint NewState; /**< _NEW_ARRAY_* */ + +#if FEATURE_ARB_vertex_buffer_object + struct gl_buffer_object *NullBufferObj; + struct gl_buffer_object *ArrayBufferObj; + struct gl_buffer_object *ElementArrayBufferObj; +#endif + GLuint _MaxElement; /* Min of all enabled array's maxes */ +}; + + +struct gl_feedback { + GLenum Type; + GLuint _Mask; /* FB_* bits */ + GLfloat *Buffer; + GLuint BufferSize; + GLuint Count; +}; + + +/** + * Selection attributes. + */ +struct gl_selection { + GLuint *Buffer; /**< selection buffer */ + GLuint BufferSize; /**< size of the selection buffer */ + GLuint BufferCount; /**< number of values in the selection buffer */ + GLuint Hits; /**< number of records in the selection buffer */ + GLuint NameStackDepth; /**< name stack depth */ + GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */ + GLboolean HitFlag; /**< hit flag */ + GLfloat HitMinZ; /**< minimum hit depth */ + GLfloat HitMaxZ; /**< maximum hit depth */ +}; + + +/** + * 1-D Evaluator control points + */ +struct gl_1d_map +{ + GLuint Order; /**< Number of control points */ + GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */ + GLfloat *Points; /**< Points to contiguous control points */ +}; + + +/** + * 2-D Evaluator control points + */ +struct gl_2d_map +{ + GLuint Uorder; /**< Number of control points in U dimension */ + GLuint Vorder; /**< Number of control points in V dimension */ + GLfloat u1, u2, du; + GLfloat v1, v2, dv; + GLfloat *Points; /**< Points to contiguous control points */ +}; + + +/** + * All evaluator control points + */ +struct gl_evaluators +{ + /** + * \name 1-D maps + */ + /*@{*/ + struct gl_1d_map Map1Vertex3; + struct gl_1d_map Map1Vertex4; + struct gl_1d_map Map1Index; + struct gl_1d_map Map1Color4; + struct gl_1d_map Map1Normal; + struct gl_1d_map Map1Texture1; + struct gl_1d_map Map1Texture2; + struct gl_1d_map Map1Texture3; + struct gl_1d_map Map1Texture4; + struct gl_1d_map Map1Attrib[16]; /**< GL_NV_vertex_program */ + /*@}*/ + + /** + * \name 2-D maps + */ + /*@{*/ + struct gl_2d_map Map2Vertex3; + struct gl_2d_map Map2Vertex4; + struct gl_2d_map Map2Index; + struct gl_2d_map Map2Color4; + struct gl_2d_map Map2Normal; + struct gl_2d_map Map2Texture1; + struct gl_2d_map Map2Texture2; + struct gl_2d_map Map2Texture3; + struct gl_2d_map Map2Texture4; + struct gl_2d_map Map2Attrib[16]; /**< GL_NV_vertex_program */ + /*@}*/ +}; + + +/** + * NV_fragment_program runtime state + */ +struct fp_machine +{ + GLfloat Temporaries[MAX_NV_FRAGMENT_PROGRAM_TEMPS][4]; + GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4]; + GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4]; + GLuint CondCodes[4]; +}; + + +/** + * Names of the various vertex/fragment register files + */ +enum register_file +{ + PROGRAM_TEMPORARY = 10, + PROGRAM_INPUT, + PROGRAM_OUTPUT, + PROGRAM_LOCAL_PARAM, + PROGRAM_ENV_PARAM, + PROGRAM_NAMED_PARAM, + PROGRAM_STATE_VAR, + PROGRAM_WRITE_ONLY, + PROGRAM_ADDRESS +}; + + +/* Vertex and fragment instructions */ +struct vp_instruction; +struct fp_instruction; + +struct program_parameter_list; + + +/** + * Base class for any kind of program object + */ +struct program +{ + GLuint Id; + GLubyte *String; /**< Null-terminated program text */ + GLboolean DeletePending; /**< User called glDeletePrograms? */ + GLint RefCount; + GLenum Target; + GLenum Format; /**< String encoding format */ + GLboolean Resident; + GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4]; + GLuint NumInstructions; /* GL_ARB_vertex/fragment_program */ + GLuint NumTemporaries; + GLuint NumParameters; + GLuint NumAttributes; + GLuint NumAddressRegs; +}; + + +/** Vertex program object */ +struct vertex_program +{ + struct program Base; /* base class */ + struct vp_instruction *Instructions; /* Compiled instructions */ + GLboolean IsNVProgram; /* GL_NV_vertex_program ? */ + GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */ + GLuint InputsRead; /* Bitmask of which input regs are read */ + GLuint OutputsWritten; /* Bitmask of which output regs are written to */ + struct program_parameter_list *Parameters; /**< array [NumParameters] */ +}; + + +/** Fragment program object */ +struct fragment_program +{ + struct program Base; /**< base class */ + struct fp_instruction *Instructions; /**< Compiled instructions */ + GLuint InputsRead; /**< Bitmask of which input regs are read */ + GLuint OutputsWritten; /**< Bitmask of which output regs are written to */ + GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_INDEX bitmask */ + GLuint NumAluInstructions; /**< GL_ARB_fragment_program */ + GLuint NumTexInstructions; + GLuint NumTexIndirections; + GLenum FogOption; + struct program_parameter_list *Parameters; /**< array [NumParameters] */ + +#ifdef USE_TCC + char c_str[4096]; /* experimental... */ + int c_strlen; +#endif +}; + + +/** + * State common to vertex and fragment programs. + */ +struct program_state { + GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_NV */ + const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_NV */ +}; + + +/** + * State vars for GL_NV_vertex_program + */ +struct vertex_program_state +{ + GLboolean Enabled; /**< GL_VERTEX_PROGRAM_NV */ + GLboolean _Enabled; /**< Really enabled? */ + GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_NV */ + GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_NV */ + struct vertex_program *Current; /**< ptr to currently bound program */ + + GLenum TrackMatrix[MAX_NV_VERTEX_PROGRAM_PARAMS / 4]; + GLenum TrackMatrixTransform[MAX_NV_VERTEX_PROGRAM_PARAMS / 4]; + + GLfloat Parameters[MAX_NV_VERTEX_PROGRAM_PARAMS][4]; /* Env params */ + /* Only used during program execution (may be moved someday): */ + GLfloat Temporaries[MAX_NV_VERTEX_PROGRAM_TEMPS][4]; + GLfloat Inputs[MAX_NV_VERTEX_PROGRAM_INPUTS][4]; + GLfloat Outputs[MAX_NV_VERTEX_PROGRAM_OUTPUTS][4]; + GLint AddressReg[4]; + +#if FEATURE_MESA_program_debug + GLprogramcallbackMESA Callback; + GLvoid *CallbackData; + GLboolean CallbackEnabled; + GLuint CurrentPosition; +#endif +}; + + +/* + * State for GL_ARB/NV_fragment_program + */ +struct fragment_program_state +{ + GLboolean Enabled; /* GL_VERTEX_PROGRAM_NV */ + GLboolean _Enabled; /* Really enabled? */ + struct fragment_program *Current; /* ptr to currently bound program */ + struct fp_machine Machine; /* machine state */ + GLfloat Parameters[MAX_NV_FRAGMENT_PROGRAM_PARAMS][4]; /* Env params */ + +#if FEATURE_MESA_program_debug + GLprogramcallbackMESA Callback; + GLvoid *CallbackData; + GLboolean CallbackEnabled; + GLuint CurrentPosition; +#endif +}; + + +/* + * State for GL_ARB_occlusion_query + */ +struct occlusion_state +{ + GLboolean Active; + GLuint CurrentQueryObject; + GLuint PassedCounter; + struct _mesa_HashTable *QueryObjects; +}; + + +/** + * State which can be shared by multiple contexts: + */ +struct gl_shared_state +{ + _glthread_Mutex Mutex; /**< for thread safety */ + GLint RefCount; /**< Reference count */ + struct _mesa_HashTable *DisplayList; /**< Display lists hash table */ + struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */ + struct gl_texture_object *TexObjectList;/**< Linked list of texture objects */ + + /** + * \name Default texture objects (shared by all multi-texture units) + */ + /*@{*/ + struct gl_texture_object *Default1D; + struct gl_texture_object *Default2D; + struct gl_texture_object *Default3D; + struct gl_texture_object *DefaultCubeMap; + struct gl_texture_object *DefaultRect; + /*@}*/ + + /** + * \name GL_NV_vertex/_program + */ + /*@{*/ + struct _mesa_HashTable *Programs; +#if FEATURE_ARB_vertex_program + struct program *DefaultVertexProgram; +#endif +#if FEATURE_ARB_fragment_program + struct program *DefaultFragmentProgram; +#endif + /*@}*/ + +#if FEATURE_ARB_vertex_buffer_object + struct _mesa_HashTable *BufferObjects; +#endif + + void *DriverData; /**< Device driver shared state */ +}; + + +/** + * Frame buffer. + * + * A "frame buffer" is a color buffer and its optional ancillary buffers: + * depth, accum, stencil, and software-simulated alpha buffers. + * In C++ terms, think of this as a base class from which device drivers + * will make derived classes. + */ +struct gl_frame_buffer +{ + GLvisual Visual; /**< The corresponding visual */ + + GLuint Width, Height; /**< size of frame buffer in pixels */ + + GLboolean UseSoftwareDepthBuffer; + GLboolean UseSoftwareAccumBuffer; + GLboolean UseSoftwareStencilBuffer; + GLboolean UseSoftwareAlphaBuffers; + GLboolean UseSoftwareAuxBuffers; + + /** \name Software depth (aka Z) buffer */ + /*@{*/ + GLvoid *DepthBuffer; /**< array [Width*Height] of GLushort or GLuint*/ + /*@}*/ + + /** \name Software stencil buffer */ + /*@{*/ + GLstencil *Stencil; /**< array [Width*Height] of GLstencil values */ + /*@}*/ + + /** \name Software accumulation buffer */ + /*@{*/ + GLaccum *Accum; /**< array [4*Width*Height] of GLaccum values */ + /*@}*/ + + /** \name Software alpha planes */ + /*@{*/ + GLchan *FrontLeftAlpha; /**< array [Width*Height] of GLchan */ + GLchan *BackLeftAlpha; /**< array [Width*Height] of GLchan */ + GLchan *FrontRightAlpha; /**< array [Width*Height] of GLchan */ + GLchan *BackRightAlpha; /**< array [Width*Height] of GLchan */ + /*@}*/ + + GLchan *AuxBuffers[MAX_AUX_BUFFERS]; + + /** + * \name Drawing bounds + * + * Intersection of window size and scissor box + */ + /*@{*/ + GLint _Xmin; /**< inclusive */ + GLint _Ymin; /**< inclusive */ + GLint _Xmax; /**< exclusive */ + GLint _Ymax; /**< exclusive */ + /*@}*/ +}; + + +/** + * Constants which may be overridden by device driver during context creation + * but are never changed after that. + */ +struct gl_constants +{ + GLint MaxTextureLevels; /**< Maximum number of allowed mipmap levels. */ + GLint Max3DTextureLevels; /**< Maximum number of allowed mipmap levels for 3D texture targets. */ + GLint MaxCubeTextureLevels; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */ + GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */ + GLuint MaxTextureCoordUnits; + GLuint MaxTextureImageUnits; + GLuint MaxTextureUnits; /* = MAX(CoordUnits, ImageUnits) */ + GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */ + GLfloat MaxTextureLodBias; /* GL_EXT_texture_lod_bias */ + GLuint MaxArrayLockSize; + GLint SubPixelBits; + GLfloat MinPointSize, MaxPointSize; /* aliased */ + GLfloat MinPointSizeAA, MaxPointSizeAA; /* antialiased */ + GLfloat PointSizeGranularity; + GLfloat MinLineWidth, MaxLineWidth; /* aliased */ + GLfloat MinLineWidthAA, MaxLineWidthAA; /* antialiased */ + GLfloat LineWidthGranularity; + GLuint MaxColorTableSize; + GLuint MaxConvolutionWidth; + GLuint MaxConvolutionHeight; + GLuint MaxClipPlanes; + GLuint MaxLights; + GLfloat MaxShininess; /* GL_NV_light_max_exponent */ + GLfloat MaxSpotExponent; /* GL_NV_light_max_exponent */ + /* GL_ARB_vertex_program */ + GLuint MaxVertexProgramInstructions; + GLuint MaxVertexProgramAttribs; + GLuint MaxVertexProgramTemps; + GLuint MaxVertexProgramLocalParams; + GLuint MaxVertexProgramEnvParams; + GLuint MaxVertexProgramAddressRegs; + /* GL_ARB_fragment_program */ + GLuint MaxFragmentProgramInstructions; + GLuint MaxFragmentProgramAttribs; + GLuint MaxFragmentProgramTemps; + GLuint MaxFragmentProgramLocalParams; + GLuint MaxFragmentProgramEnvParams; + GLuint MaxFragmentProgramAddressRegs; + GLuint MaxFragmentProgramAluInstructions; + GLuint MaxFragmentProgramTexInstructions; + GLuint MaxFragmentProgramTexIndirections; + /* vertex or fragment program */ + GLuint MaxProgramMatrices; + GLuint MaxProgramMatrixStackDepth; + /* vertex array / buffer object bounds checking */ + GLboolean CheckArrayBounds; +}; + + +/** + * List of extensions. + */ +struct gl_extensions +{ + /** + * \name Flags to quickly test if certain extensions are available. + * + * Not every extension needs to have such a flag, but it's encouraged. + */ + /*@{*/ + GLboolean dummy; /* don't remove this! */ + GLboolean ARB_depth_texture; + GLboolean ARB_fragment_program; + GLboolean ARB_half_float_pixel; + GLboolean ARB_imaging; + GLboolean ARB_multisample; + GLboolean ARB_multitexture; + GLboolean ARB_occlusion_query; + GLboolean ARB_point_sprite; + GLboolean ARB_shadow; + GLboolean ARB_texture_border_clamp; + GLboolean ARB_texture_compression; + GLboolean ARB_texture_cube_map; + GLboolean ARB_texture_env_combine; + GLboolean ARB_texture_env_crossbar; + GLboolean ARB_texture_env_dot3; + GLboolean ARB_texture_float; + GLboolean ARB_texture_mirrored_repeat; + GLboolean ARB_texture_non_power_of_two; + GLboolean ARB_transpose_matrix; + GLboolean ARB_vertex_buffer_object; + GLboolean ARB_vertex_program; + GLboolean ARB_window_pos; + GLboolean EXT_abgr; + GLboolean EXT_bgra; + GLboolean EXT_blend_color; + GLboolean EXT_blend_equation_separate; + GLboolean EXT_blend_func_separate; + GLboolean EXT_blend_logic_op; + GLboolean EXT_blend_minmax; + GLboolean EXT_blend_subtract; + GLboolean EXT_clip_volume_hint; + GLboolean EXT_cull_vertex; + GLboolean EXT_convolution; + GLboolean EXT_compiled_vertex_array; + GLboolean EXT_copy_texture; + GLboolean EXT_depth_bounds_test; + GLboolean EXT_draw_range_elements; + GLboolean EXT_fog_coord; + GLboolean EXT_histogram; + GLboolean EXT_multi_draw_arrays; + GLboolean EXT_paletted_texture; + GLboolean EXT_packed_pixels; + GLboolean EXT_pixel_buffer_object; + GLboolean EXT_point_parameters; + GLboolean EXT_polygon_offset; + GLboolean EXT_rescale_normal; + GLboolean EXT_shadow_funcs; + GLboolean EXT_secondary_color; + GLboolean EXT_separate_specular_color; + GLboolean EXT_shared_texture_palette; + GLboolean EXT_stencil_wrap; + GLboolean EXT_stencil_two_side; + GLboolean EXT_subtexture; + GLboolean EXT_texture; + GLboolean EXT_texture_object; + GLboolean EXT_texture3D; + GLboolean EXT_texture_compression_s3tc; + GLboolean EXT_texture_env_add; + GLboolean EXT_texture_env_combine; + GLboolean EXT_texture_env_dot3; + GLboolean EXT_texture_filter_anisotropic; + GLboolean EXT_texture_lod_bias; + GLboolean EXT_texture_mirror_clamp; + GLboolean EXT_vertex_array; + GLboolean EXT_vertex_array_set; + /* vendor extensions */ + GLboolean APPLE_client_storage; + GLboolean APPLE_packed_pixels; + GLboolean ATI_texture_mirror_once; + GLboolean ATI_texture_env_combine3; + GLboolean HP_occlusion_test; + GLboolean IBM_rasterpos_clip; + GLboolean IBM_multimode_draw_arrays; + GLboolean MESA_pack_invert; + GLboolean MESA_packed_depth_stencil; + GLboolean MESA_program_debug; + GLboolean MESA_resize_buffers; + GLboolean MESA_ycbcr_texture; + GLboolean NV_blend_square; + GLboolean NV_fragment_program; + GLboolean NV_light_max_exponent; + GLboolean NV_point_sprite; + GLboolean NV_texgen_reflection; + GLboolean NV_texture_rectangle; + GLboolean NV_vertex_program; + GLboolean NV_vertex_program1_1; + GLboolean SGI_color_matrix; + GLboolean SGI_color_table; + GLboolean SGI_texture_color_table; + GLboolean SGIS_generate_mipmap; + GLboolean SGIS_pixel_texture; + GLboolean SGIS_texture_edge_clamp; + GLboolean SGIS_texture_lod; + GLboolean SGIX_depth_texture; + GLboolean SGIX_pixel_texture; + GLboolean SGIX_shadow; + GLboolean SGIX_shadow_ambient; /* or GL_ARB_shadow_ambient */ + GLboolean TDFX_texture_compression_FXT1; + GLboolean S3_s3tc; + /*@}*/ + /* The extension string */ + const GLubyte *String; +}; + + +/** + * A stack of matrices (projection, modelview, color, texture, etc). + */ +struct matrix_stack +{ + GLmatrix *Top; /**< points into Stack */ + GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */ + GLuint Depth; /**< 0 <= Depth < MaxDepth */ + GLuint MaxDepth; /**< size of Stack[] array */ + GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */ +}; + + +/** + * \name Bits for image transfer operations + * + * \sa __GLcontextRec::ImageTransferState. + */ +/*@{*/ +#define IMAGE_SCALE_BIAS_BIT 0x1 +#define IMAGE_SHIFT_OFFSET_BIT 0x2 +#define IMAGE_MAP_COLOR_BIT 0x4 +#define IMAGE_COLOR_TABLE_BIT 0x8 +#define IMAGE_CONVOLUTION_BIT 0x10 +#define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20 +#define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40 +#define IMAGE_COLOR_MATRIX_BIT 0x80 +#define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100 +#define IMAGE_HISTOGRAM_BIT 0x200 +#define IMAGE_MIN_MAX_BIT 0x400 +#define IMAGE_CLAMP_BIT 0x800 /* extra */ + + +/** Transfer ops up to convolution */ +#define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \ + IMAGE_SHIFT_OFFSET_BIT | \ + IMAGE_MAP_COLOR_BIT | \ + IMAGE_COLOR_TABLE_BIT) + +/** Transfer ops after convolution */ +#define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \ + IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \ + IMAGE_COLOR_MATRIX_BIT | \ + IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\ + IMAGE_HISTOGRAM_BIT | \ + IMAGE_MIN_MAX_BIT) +/*@}*/ + + +/** + * \name Bits to indicate what state has changed. + * + * 4 unused flags. + */ +/*@{*/ +#define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */ +#define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */ +#define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */ +#define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */ +#define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */ +#define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */ +#define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */ +#define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */ +#define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */ +#define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */ +#define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */ +#define _NEW_LINE 0x800 /**< __GLcontextRec::Line */ +#define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */ +#define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */ +#define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */ +#define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */ +#define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */ +#define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */ +#define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */ +#define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */ +#define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */ +#define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */ +#define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */ +#define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */ +#define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */ +#define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */ +#define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */ +#define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */ +#define _NEW_ALL ~0 +/*@}*/ + + +/** + * \name Bits to track array state changes + * + * Also used to summarize array enabled. + */ +/*@{*/ +#define _NEW_ARRAY_VERTEX VERT_BIT_POS +#define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT +#define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL +#define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0 +#define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1 +#define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG +#define _NEW_ARRAY_INDEX VERT_BIT_SIX +#define _NEW_ARRAY_EDGEFLAG VERT_BIT_SEVEN +#define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0 +#define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1 +#define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2 +#define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3 +#define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4 +#define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5 +#define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6 +#define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7 +#define _NEW_ARRAY_ATTRIB_0 0x10000 /* start at bit 16 */ +#define _NEW_ARRAY_ALL 0xffffffff + + +#define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i)) +#define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i)) +/*@}*/ + + +/** + * \name A bunch of flags that we think might be useful to drivers. + * + * Set in the __GLcontextRec::_TriangleCaps bitfield. + */ +/*@{*/ +#define DD_FLATSHADE 0x1 +#define DD_SEPARATE_SPECULAR 0x2 +#define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */ +#define DD_TRI_LIGHT_TWOSIDE 0x8 +#define DD_TRI_UNFILLED 0x10 +#define DD_TRI_SMOOTH 0x20 +#define DD_TRI_STIPPLE 0x40 +#define DD_TRI_OFFSET 0x80 +#define DD_LINE_SMOOTH 0x100 +#define DD_LINE_STIPPLE 0x200 +#define DD_LINE_WIDTH 0x400 +#define DD_POINT_SMOOTH 0x800 +#define DD_POINT_SIZE 0x1000 +#define DD_POINT_ATTEN 0x2000 +/*@}*/ + + +/** + * \name Define the state changes under which each of these bits might change + */ +/*@{*/ +#define _DD_NEW_FLATSHADE _NEW_LIGHT +#define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM) +#define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON +#define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT +#define _DD_NEW_TRI_UNFILLED _NEW_POLYGON +#define _DD_NEW_TRI_SMOOTH _NEW_POLYGON +#define _DD_NEW_TRI_STIPPLE _NEW_POLYGON +#define _DD_NEW_TRI_OFFSET _NEW_POLYGON +#define _DD_NEW_LINE_SMOOTH _NEW_LINE +#define _DD_NEW_LINE_STIPPLE _NEW_LINE +#define _DD_NEW_LINE_WIDTH _NEW_LINE +#define _DD_NEW_POINT_SMOOTH _NEW_POINT +#define _DD_NEW_POINT_SIZE _NEW_POINT +#define _DD_NEW_POINT_ATTEN _NEW_POINT +/*@}*/ + + +#define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \ + _NEW_TEXTURE | \ + _NEW_POINT | \ + _NEW_MODELVIEW) + +#define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \ + _NEW_TEXTURE) + +#define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX) + + + + +/* + * Forward declaration of display list data types: + */ +union node; +typedef union node Node; + + +/* This has to be included here. */ +#include "dd.h" + + +#define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *)) + +/** + * Core Mesa's support for tnl modules: + */ +struct gl_tnl_module { + /** + * Vertex format to be lazily swapped into current dispatch. + */ + const GLvertexformat *Current; + + /** + * \name Record of functions swapped out. + * On restore, only need to swap these functions back in. + */ + /*@{*/ + void *Swapped[NUM_VERTEX_FORMAT_ENTRIES][2]; + GLuint SwapCount; + /*@}*/ +}; + +struct mesa_list_state { + GLuint CallDepth; /**< Current recursion calling depth */ + Node *CurrentListPtr; /**< Head of list being compiled */ + GLuint CurrentListNum; /**< Number of the list being compiled */ + Node *CurrentBlock; /**< Pointer to current block of nodes */ + GLuint CurrentPos; /**< Index into current block of nodes */ + GLvertexformat ListVtxfmt; + + GLubyte ActiveAttribSize[VERT_ATTRIB_MAX]; + GLfloat CurrentAttrib[VERT_ATTRIB_MAX][4]; + + GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX]; + GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4]; + + GLubyte ActiveIndex; + GLfloat CurrentIndex; + + GLubyte ActiveEdgeFlag; + GLboolean CurrentEdgeFlag; +}; + + +/** + * Mesa context + * + * This is the central context data structure for Mesa. Almost all + * OpenGL state is contained in this structure. + * Think of this as a base class from which device drivers will derive + * sub classes. + */ +struct __GLcontextRec { + /** + * \name OS related interfaces. + * + * These \b must be the first members of this structure, because they are + * exposed to the outside world (i.e. GLX extension). + */ + /*@{*/ + __GLimports imports; + __GLexports exports; + /*@}*/ + + /** State possibly shared with other contexts in the address space */ + struct gl_shared_state *Shared; + + /** \name API function pointer tables */ + /*@{*/ + struct _glapi_table *Save; /**< Display list save functions */ + struct _glapi_table *Exec; /**< Execute functions */ + struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */ + /*@}*/ + + GLvisual Visual; + GLframebuffer *DrawBuffer; /**< buffer for writing */ + GLframebuffer *ReadBuffer; /**< buffer for reading */ + + /** + * Device driver function pointer table + */ + struct dd_function_table Driver; + + void *DriverCtx; /**< Points to device driver context/state */ + void *DriverMgrCtx; /**< Points to device driver manager (optional)*/ + + /** Core/Driver constants */ + struct gl_constants Const; + + /** \name The various 4x4 matrix stacks */ + /*@{*/ + struct matrix_stack ModelviewMatrixStack; + struct matrix_stack ProjectionMatrixStack; + struct matrix_stack ColorMatrixStack; + struct matrix_stack TextureMatrixStack[MAX_TEXTURE_COORD_UNITS]; + struct matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES]; + struct matrix_stack *CurrentStack; /**< Points to one of the above stacks */ + /*@}*/ + + /** Combined modelview and projection matrix */ + GLmatrix _ModelProjectMatrix; + + /** \name Display lists */ + struct mesa_list_state ListState; + + GLboolean ExecuteFlag; /**< Execute GL commands? */ + GLboolean CompileFlag; /**< Compile GL commands into display list? */ + + /** Extensions */ + struct gl_extensions Extensions; + + /** \name Renderer attribute stack */ + /*@{*/ + GLuint AttribStackDepth; + struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH]; + /*@}*/ + + /** \name Renderer attribute groups + * + * We define a struct for each attribute group to make pushing and popping + * attributes easy. Also it's a good organization. + */ + /*@{*/ + struct gl_accum_attrib Accum; /**< Accumulation buffer attributes */ + struct gl_colorbuffer_attrib Color; /**< Color buffers attributes */ + struct gl_current_attrib Current; /**< Current attributes */ + struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */ + struct gl_eval_attrib Eval; /**< Eval attributes */ + struct gl_fog_attrib Fog; /**< Fog attributes */ + struct gl_hint_attrib Hint; /**< Hint attributes */ + struct gl_light_attrib Light; /**< Light attributes */ + struct gl_line_attrib Line; /**< Line attributes */ + struct gl_list_attrib List; /**< List attributes */ + struct gl_multisample_attrib Multisample; + struct gl_pixel_attrib Pixel; /**< Pixel attributes */ + struct gl_point_attrib Point; /**< Point attributes */ + struct gl_polygon_attrib Polygon; /**< Polygon attributes */ + GLuint PolygonStipple[32]; /**< Polygon stipple */ + struct gl_scissor_attrib Scissor; /**< Scissor attributes */ + struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */ + struct gl_texture_attrib Texture; /**< Texture attributes */ + struct gl_transform_attrib Transform; /**< Transformation attributes */ + struct gl_viewport_attrib Viewport; /**< Viewport attributes */ + /*@}*/ + + /** \name Other attribute groups */ + /*@{*/ + struct gl_histogram_attrib Histogram; + struct gl_minmax_attrib MinMax; + struct gl_convolution_attrib Convolution1D; + struct gl_convolution_attrib Convolution2D; + struct gl_convolution_attrib Separable2D; + /*@}*/ + + /** \name Client attribute stack */ + /*@{*/ + GLuint ClientAttribStackDepth; + struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH]; + /*@}*/ + + /** \name Client attribute groups */ + /*@{*/ + struct gl_array_attrib Array; /**< Vertex arrays */ + struct gl_pixelstore_attrib Pack; /**< Pixel packing */ + struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */ + struct gl_pixelstore_attrib DefaultPacking; /**< Default params */ + + struct gl_evaluators EvalMap; /**< All evaluators */ + struct gl_feedback Feedback; /**< Feedback */ + struct gl_selection Select; /**< Selection */ + + struct gl_color_table ColorTable; /**< Pre-convolution */ + struct gl_color_table ProxyColorTable; /**< Pre-convolution */ + struct gl_color_table PostConvolutionColorTable; + struct gl_color_table ProxyPostConvolutionColorTable; + struct gl_color_table PostColorMatrixColorTable; + struct gl_color_table ProxyPostColorMatrixColorTable; + + struct program_state Program; /**< for vertex or fragment progs */ + struct vertex_program_state VertexProgram; /**< GL_NV_vertex_program */ + struct fragment_program_state FragmentProgram; /**< GL_NV_fragment_program */ + + struct occlusion_state Occlusion; /**< GL_ARB_occlusion_query */ + + GLenum ErrorValue; /**< Last error code */ + GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */ + GLuint NewState; /**< bitwise-or of _NEW_* flags */ + /*@}*/ + + /** \name Derived */ + /*@{*/ + GLuint _TriangleCaps; /**< bitwise-or of DD_* flags */ + GLuint _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */ + GLfloat _EyeZDir[3]; + GLfloat _ModelViewInvScale; + GLuint _NeedEyeCoords; + GLuint _ForceEyeCoords; + GLboolean _RotateMode; + GLenum _CurrentProgram; /* currently executing program */ + + struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */ + struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */ + /**@}*/ + + struct gl_list_extensions ListExt; /**< driver dlist extensions */ + + + GLboolean OcclusionResult; /**< for GL_HP_occlusion_test */ + GLboolean OcclusionResultSaved; /**< for GL_HP_occlusion_test */ + GLuint _Facing; /**< This is a hack for 2-sided stencil test. + * + * We don't have a better way to communicate this value from + * swrast_setup to swrast. */ + + + /** \name Z buffer stuff */ + /*@{*/ + GLuint DepthMax; /**< Max depth buffer value */ + GLfloat DepthMaxF; /**< Float max depth buffer value */ + GLfloat MRD; /**< minimum resolvable difference in Z values */ + /*@}*/ + + /** \name Color clamping (tentative part of GL_ARB_color_clamp_control) */ + /*@{*/ + GLboolean ClampFragmentColors; + GLboolean ClampVertexColors; + /*@}*/ + + /** \name For debugging/development only */ + /*@{*/ + GLboolean FirstTimeCurrent; + /*@}*/ + + /** Dither disable via MESA_NO_DITHER env var */ + GLboolean NoDither; + + /** Core tnl module support */ + struct gl_tnl_module TnlModule; + + /** + * \name Hooks for module contexts. + * + * These will eventually live in the driver or elsewhere. + */ + /*@{*/ + void *swrast_context; + void *swsetup_context; + void *swtnl_context; + void *swtnl_im; + void *acache_context; + void *aelt_context; + /*@}*/ +}; + + +#if 0 +/** The string names for GL_POINT, GL_LINE_LOOP, etc */ +extern const char *_mesa_prim_name[GL_POLYGON+4]; +#endif + + +#ifdef MESA_DEBUG +extern int MESA_VERBOSE; +extern int MESA_DEBUG_FLAGS; +# define MESA_FUNCTION __FUNCTION__ +#else +# define MESA_VERBOSE 0 +# define MESA_DEBUG_FLAGS 0 +# define MESA_FUNCTION "a function" +# ifndef NDEBUG +# define NDEBUG +# endif +#endif + + +enum _verbose { + VERBOSE_VARRAY = 0x0001, + VERBOSE_TEXTURE = 0x0002, + VERBOSE_IMMEDIATE = 0x0004, + VERBOSE_PIPELINE = 0x0008, + VERBOSE_DRIVER = 0x0010, + VERBOSE_STATE = 0x0020, + VERBOSE_API = 0x0040, + VERBOSE_DISPLAY_LIST = 0x0100, + VERBOSE_LIGHTING = 0x0200, + VERBOSE_PRIMS = 0x0400, + VERBOSE_VERTS = 0x0800 +}; + + +enum _debug { + DEBUG_ALWAYS_FLUSH = 0x1 +}; + + + +#define Elements(x) sizeof(x)/sizeof(*(x)) + + +#endif /* TYPES_H */ diff --git a/src/mesa/main/occlude.c b/src/mesa/main/occlude.c new file mode 100644 index 0000000..bc61a47 --- /dev/null +++ b/src/mesa/main/occlude.c @@ -0,0 +1,353 @@ +/* + * Mesa 3-D graphics library + * Version: 6.0.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * Functions to implement the GL_ARB_occlusion_query extension. + */ + + +#include "glheader.h" +#include "context.h" +#include "hash.h" +#include "imports.h" +#include "occlude.h" +#include "mtypes.h" + + +struct occlusion_query +{ + GLenum Target; + GLuint Id; + GLuint PassedCounter; + GLboolean Active; +}; + + +/** + * Allocate a new occlusion query object. + * \param target - must be GL_SAMPLES_PASSED_ARB at this time + * \param id - the object's ID + * \return pointer to new occlusion_query object or NULL if out of memory. + */ +static struct occlusion_query * +new_query_object(GLenum target, GLuint id) +{ + struct occlusion_query *q = MALLOC_STRUCT(occlusion_query); + if (q) { + q->Target = target; + q->Id = id; + q->PassedCounter = 0; + q->Active = GL_FALSE; + } + return q; +} + + +/** + * Delete an occlusion query object. + */ +static void +delete_query_object(struct occlusion_query *q) +{ + FREE(q); +} + + +void GLAPIENTRY +_mesa_GenQueriesARB(GLsizei n, GLuint *ids) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint first; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGenQueriesARB(n < 0)"); + return; + } + + if (ctx->Occlusion.Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGenQueriesARB"); + return; + } + + first = _mesa_HashFindFreeKeyBlock(ctx->Occlusion.QueryObjects, n); + if (first) { + GLsizei i; + for (i = 0; i < n; i++) { + struct occlusion_query *q = new_query_object(GL_SAMPLES_PASSED_ARB, + first + i); + if (!q) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenQueriesARB"); + return; + } + ids[i] = first + i; + _mesa_HashInsert(ctx->Occlusion.QueryObjects, first + i, q); + } + } +} + + +void GLAPIENTRY +_mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteQueriesARB(n < 0)"); + return; + } + + if (ctx->Occlusion.Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteQueriesARB"); + return; + } + + for (i = 0; i < n; i++) { + if (ids[i] > 0) { + struct occlusion_query *q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, ids[i]); + if (q) { + _mesa_HashRemove(ctx->Occlusion.QueryObjects, ids[i]); + delete_query_object(q); + } + } + } +} + + +GLboolean GLAPIENTRY +_mesa_IsQueryARB(GLuint id) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (id && _mesa_HashLookup(ctx->Occlusion.QueryObjects, id)) + return GL_TRUE; + else + return GL_FALSE; +} + + +void GLAPIENTRY +_mesa_BeginQueryARB(GLenum target, GLuint id) +{ + GET_CURRENT_CONTEXT(ctx); + struct occlusion_query *q; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + + if (target != GL_SAMPLES_PASSED_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)"); + return; + } + + if (id == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(id==0)"); + return; + } + + if (ctx->Occlusion.CurrentQueryObject) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(target)"); + return; + } + + q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, id); + if (q && q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB"); + return; + } + else if (!q) { + q = new_query_object(target, id); + if (!q) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQueryARB"); + return; + } + _mesa_HashInsert(ctx->Occlusion.QueryObjects, id, q); + } + + q->Active = GL_TRUE; + q->PassedCounter = 0; + ctx->Occlusion.Active = GL_TRUE; + ctx->Occlusion.CurrentQueryObject = id; + ctx->Occlusion.PassedCounter = 0; +} + + +void GLAPIENTRY +_mesa_EndQueryARB(GLenum target) +{ + GET_CURRENT_CONTEXT(ctx); + struct occlusion_query *q = NULL; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_DEPTH); + + if (target != GL_SAMPLES_PASSED_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)"); + return; + } + + if (ctx->Occlusion.CurrentQueryObject) + q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, + ctx->Occlusion.CurrentQueryObject); + if (!q || !q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glEndQuery with no glBeginQuery"); + return; + } + + q->PassedCounter = ctx->Occlusion.PassedCounter; + q->Active = GL_FALSE; + ctx->Occlusion.Active = GL_FALSE; + ctx->Occlusion.CurrentQueryObject = 0; +} + + +void GLAPIENTRY +_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target != GL_SAMPLES_PASSED_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)"); + return; + } + + switch (pname) { + case GL_QUERY_COUNTER_BITS_ARB: + *params = 8 * sizeof(GLuint); + break; + case GL_CURRENT_QUERY_ARB: + *params = ctx->Occlusion.CurrentQueryObject; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + struct occlusion_query *q = NULL; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, id); + + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectivARB(id=%d)", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + *params = q->PassedCounter; + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + /* XXX revisit when we have a hardware implementation! */ + *params = GL_TRUE; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params) +{ + GET_CURRENT_CONTEXT(ctx); + struct occlusion_query *q = NULL; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (id) + q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, id); + if (!q || q->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectuivARB(id=%d", id); + return; + } + + switch (pname) { + case GL_QUERY_RESULT_ARB: + *params = q->PassedCounter; + break; + case GL_QUERY_RESULT_AVAILABLE_ARB: + /* XXX revisit when we have a hardware implementation! */ + *params = GL_TRUE; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectuivARB(pname)"); + return; + } +} + + + +/** + * Allocate/init the context state related to occlusion query objects. + */ +void +_mesa_init_occlude(GLcontext *ctx) +{ +#if FEATURE_ARB_occlusion_query + ctx->Occlusion.QueryObjects = _mesa_NewHashTable(); +#endif + ctx->OcclusionResult = GL_FALSE; + ctx->OcclusionResultSaved = GL_FALSE; +} + + +/** + * Free the context state related to occlusion query objects. + */ +void +_mesa_free_occlude_data(GLcontext *ctx) +{ + while (1) { + GLuint query = _mesa_HashFirstEntry(ctx->Occlusion.QueryObjects); + if (query) { + struct occlusion_query *q = (struct occlusion_query *) + _mesa_HashLookup(ctx->Occlusion.QueryObjects, query); + ASSERT(q); + delete_query_object(q); + _mesa_HashRemove(ctx->Occlusion.QueryObjects, query); + } + else { + break; + } + } + _mesa_DeleteHashTable(ctx->Occlusion.QueryObjects); +} diff --git a/src/mesa/main/occlude.h b/src/mesa/main/occlude.h new file mode 100644 index 0000000..acf1910 --- /dev/null +++ b/src/mesa/main/occlude.h @@ -0,0 +1,61 @@ +/* + * Mesa 3-D graphics library + * Version: 6.0.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef OCCLUDE_H +#define OCCLUDE_H + + +extern void +_mesa_init_occlude(GLcontext *ctx); + +extern void +_mesa_free_occlude_data(GLcontext *ctx); + +extern void GLAPIENTRY +_mesa_GenQueriesARB(GLsizei n, GLuint *ids); + +extern void GLAPIENTRY +_mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids); + +extern GLboolean GLAPIENTRY +_mesa_IsQueryARB(GLuint id); + +extern void GLAPIENTRY +_mesa_BeginQueryARB(GLenum target, GLuint id); + +extern void GLAPIENTRY +_mesa_EndQueryARB(GLenum target); + +extern void GLAPIENTRY +_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params); + +extern void GLAPIENTRY +_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params); + + +#endif /* OCCLUDE_H */ diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c new file mode 100644 index 0000000..932dfce --- /dev/null +++ b/src/mesa/main/pixel.c @@ -0,0 +1,1833 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "imports.h" +#include "image.h" +#include "colormac.h" +#include "context.h" +#include "macros.h" +#include "pixel.h" +#include "mtypes.h" + + +/**********************************************************************/ +/***** glPixelZoom *****/ +/**********************************************************************/ + + + +void GLAPIENTRY +_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor ) +{ + GET_CURRENT_CONTEXT(ctx); + + if (ctx->Pixel.ZoomX == xfactor && + ctx->Pixel.ZoomY == yfactor) + return; + + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.ZoomX = xfactor; + ctx->Pixel.ZoomY = yfactor; +} + + + +/**********************************************************************/ +/***** glPixelStore *****/ +/**********************************************************************/ + + +void GLAPIENTRY +_mesa_PixelStorei( GLenum pname, GLint param ) +{ + /* NOTE: this call can't be compiled into the display list */ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (pname) { + case GL_PACK_SWAP_BYTES: + if (param == (GLint)ctx->Pack.SwapBytes) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.SwapBytes = param ? GL_TRUE : GL_FALSE; + break; + case GL_PACK_LSB_FIRST: + if (param == (GLint)ctx->Pack.LsbFirst) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.LsbFirst = param ? GL_TRUE : GL_FALSE; + break; + case GL_PACK_ROW_LENGTH: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.RowLength == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.RowLength = param; + break; + case GL_PACK_IMAGE_HEIGHT: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.ImageHeight == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.ImageHeight = param; + break; + case GL_PACK_SKIP_PIXELS: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.SkipPixels == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.SkipPixels = param; + break; + case GL_PACK_SKIP_ROWS: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.SkipRows == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.SkipRows = param; + break; + case GL_PACK_SKIP_IMAGES: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.SkipImages == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.SkipImages = param; + break; + case GL_PACK_ALIGNMENT: + if (param!=1 && param!=2 && param!=4 && param!=8) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Pack.Alignment == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.Alignment = param; + break; + case GL_PACK_INVERT_MESA: + if (!ctx->Extensions.MESA_pack_invert) { + _mesa_error( ctx, GL_INVALID_ENUM, "glPixelstore(pname)" ); + return; + } + if (ctx->Pack.Invert == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Pack.Invert = param; + break; + + case GL_UNPACK_SWAP_BYTES: + if (param == (GLint)ctx->Unpack.SwapBytes) + return; + if ((GLint)ctx->Unpack.SwapBytes == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.SwapBytes = param ? GL_TRUE : GL_FALSE; + break; + case GL_UNPACK_LSB_FIRST: + if (param == (GLint)ctx->Unpack.LsbFirst) + return; + if ((GLint)ctx->Unpack.LsbFirst == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.LsbFirst = param ? GL_TRUE : GL_FALSE; + break; + case GL_UNPACK_ROW_LENGTH: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Unpack.RowLength == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.RowLength = param; + break; + case GL_UNPACK_IMAGE_HEIGHT: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Unpack.ImageHeight == param) + return; + + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.ImageHeight = param; + break; + case GL_UNPACK_SKIP_PIXELS: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Unpack.SkipPixels == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.SkipPixels = param; + break; + case GL_UNPACK_SKIP_ROWS: + if (param<0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Unpack.SkipRows == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.SkipRows = param; + break; + case GL_UNPACK_SKIP_IMAGES: + if (param < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore(param)" ); + return; + } + if (ctx->Unpack.SkipImages == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.SkipImages = param; + break; + case GL_UNPACK_ALIGNMENT: + if (param!=1 && param!=2 && param!=4 && param!=8) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelStore" ); + return; + } + if (ctx->Unpack.Alignment == param) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.Alignment = param; + break; + case GL_UNPACK_CLIENT_STORAGE_APPLE: + if (param == (GLint)ctx->Unpack.ClientStorage) + return; + FLUSH_VERTICES(ctx, _NEW_PACKUNPACK); + ctx->Unpack.ClientStorage = param ? GL_TRUE : GL_FALSE; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glPixelStore" ); + return; + } +} + + +void GLAPIENTRY +_mesa_PixelStoref( GLenum pname, GLfloat param ) +{ + _mesa_PixelStorei( pname, (GLint) param ); +} + + + +/**********************************************************************/ +/***** glPixelMap *****/ +/**********************************************************************/ + + + +void GLAPIENTRY +_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values ) +{ + GLint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" ); + return; + } + + if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) { + /* test that mapsize is a power of two */ + if (_mesa_bitcount((GLuint) mapsize) != 1) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" ); + return; + } + } + + FLUSH_VERTICES(ctx, _NEW_PIXEL); + + switch (map) { + case GL_PIXEL_MAP_S_TO_S: + ctx->Pixel.MapStoSsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapStoS[i] = (GLint) values[i]; + } + break; + case GL_PIXEL_MAP_I_TO_I: + ctx->Pixel.MapItoIsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapItoI[i] = (GLint) values[i]; + } + break; + case GL_PIXEL_MAP_I_TO_R: + ctx->Pixel.MapItoRsize = mapsize; + for (i=0;i<mapsize;i++) { + GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); + ctx->Pixel.MapItoR[i] = val; + ctx->Pixel.MapItoR8[i] = (GLint) (val * 255.0F); + } + break; + case GL_PIXEL_MAP_I_TO_G: + ctx->Pixel.MapItoGsize = mapsize; + for (i=0;i<mapsize;i++) { + GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); + ctx->Pixel.MapItoG[i] = val; + ctx->Pixel.MapItoG8[i] = (GLint) (val * 255.0F); + } + break; + case GL_PIXEL_MAP_I_TO_B: + ctx->Pixel.MapItoBsize = mapsize; + for (i=0;i<mapsize;i++) { + GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); + ctx->Pixel.MapItoB[i] = val; + ctx->Pixel.MapItoB8[i] = (GLint) (val * 255.0F); + } + break; + case GL_PIXEL_MAP_I_TO_A: + ctx->Pixel.MapItoAsize = mapsize; + for (i=0;i<mapsize;i++) { + GLfloat val = CLAMP( values[i], 0.0F, 1.0F ); + ctx->Pixel.MapItoA[i] = val; + ctx->Pixel.MapItoA8[i] = (GLint) (val * 255.0F); + } + break; + case GL_PIXEL_MAP_R_TO_R: + ctx->Pixel.MapRtoRsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapRtoR[i] = CLAMP( values[i], 0.0F, 1.0F ); + } + break; + case GL_PIXEL_MAP_G_TO_G: + ctx->Pixel.MapGtoGsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapGtoG[i] = CLAMP( values[i], 0.0F, 1.0F ); + } + break; + case GL_PIXEL_MAP_B_TO_B: + ctx->Pixel.MapBtoBsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapBtoB[i] = CLAMP( values[i], 0.0F, 1.0F ); + } + break; + case GL_PIXEL_MAP_A_TO_A: + ctx->Pixel.MapAtoAsize = mapsize; + for (i=0;i<mapsize;i++) { + ctx->Pixel.MapAtoA[i] = CLAMP( values[i], 0.0F, 1.0F ); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glPixelMapfv(map)" ); + } +} + + + +void GLAPIENTRY +_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values ) +{ + const GLint n = MIN2(mapsize, MAX_PIXEL_MAP_TABLE); + GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; + GLint i; + if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) { + for (i=0;i<n;i++) { + fvalues[i] = (GLfloat) values[i]; + } + } + else { + for (i=0;i<n;i++) { + fvalues[i] = UINT_TO_FLOAT( values[i] ); + } + } + _mesa_PixelMapfv(map, mapsize, fvalues); +} + + + +void GLAPIENTRY +_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values ) +{ + const GLint n = MIN2(mapsize, MAX_PIXEL_MAP_TABLE); + GLfloat fvalues[MAX_PIXEL_MAP_TABLE]; + GLint i; + if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) { + for (i=0;i<n;i++) { + fvalues[i] = (GLfloat) values[i]; + } + } + else { + for (i=0;i<n;i++) { + fvalues[i] = USHORT_TO_FLOAT( values[i] ); + } + } + _mesa_PixelMapfv(map, mapsize, fvalues); +} + + + +void GLAPIENTRY +_mesa_GetPixelMapfv( GLenum map, GLfloat *values ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (map) { + case GL_PIXEL_MAP_I_TO_I: + for (i=0;i<ctx->Pixel.MapItoIsize;i++) { + values[i] = (GLfloat) ctx->Pixel.MapItoI[i]; + } + break; + case GL_PIXEL_MAP_S_TO_S: + for (i=0;i<ctx->Pixel.MapStoSsize;i++) { + values[i] = (GLfloat) ctx->Pixel.MapStoS[i]; + } + break; + case GL_PIXEL_MAP_I_TO_R: + MEMCPY(values,ctx->Pixel.MapItoR,ctx->Pixel.MapItoRsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_I_TO_G: + MEMCPY(values,ctx->Pixel.MapItoG,ctx->Pixel.MapItoGsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_I_TO_B: + MEMCPY(values,ctx->Pixel.MapItoB,ctx->Pixel.MapItoBsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_I_TO_A: + MEMCPY(values,ctx->Pixel.MapItoA,ctx->Pixel.MapItoAsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_R_TO_R: + MEMCPY(values,ctx->Pixel.MapRtoR,ctx->Pixel.MapRtoRsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_G_TO_G: + MEMCPY(values,ctx->Pixel.MapGtoG,ctx->Pixel.MapGtoGsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_B_TO_B: + MEMCPY(values,ctx->Pixel.MapBtoB,ctx->Pixel.MapBtoBsize*sizeof(GLfloat)); + break; + case GL_PIXEL_MAP_A_TO_A: + MEMCPY(values,ctx->Pixel.MapAtoA,ctx->Pixel.MapAtoAsize*sizeof(GLfloat)); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); + } +} + + +void GLAPIENTRY +_mesa_GetPixelMapuiv( GLenum map, GLuint *values ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (map) { + case GL_PIXEL_MAP_I_TO_I: + MEMCPY(values, ctx->Pixel.MapItoI, ctx->Pixel.MapItoIsize*sizeof(GLint)); + break; + case GL_PIXEL_MAP_S_TO_S: + MEMCPY(values, ctx->Pixel.MapStoS, ctx->Pixel.MapStoSsize*sizeof(GLint)); + break; + case GL_PIXEL_MAP_I_TO_R: + for (i=0;i<ctx->Pixel.MapItoRsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoR[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_G: + for (i=0;i<ctx->Pixel.MapItoGsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoG[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_B: + for (i=0;i<ctx->Pixel.MapItoBsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoB[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_A: + for (i=0;i<ctx->Pixel.MapItoAsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapItoA[i] ); + } + break; + case GL_PIXEL_MAP_R_TO_R: + for (i=0;i<ctx->Pixel.MapRtoRsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapRtoR[i] ); + } + break; + case GL_PIXEL_MAP_G_TO_G: + for (i=0;i<ctx->Pixel.MapGtoGsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapGtoG[i] ); + } + break; + case GL_PIXEL_MAP_B_TO_B: + for (i=0;i<ctx->Pixel.MapBtoBsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapBtoB[i] ); + } + break; + case GL_PIXEL_MAP_A_TO_A: + for (i=0;i<ctx->Pixel.MapAtoAsize;i++) { + values[i] = FLOAT_TO_UINT( ctx->Pixel.MapAtoA[i] ); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); + } +} + + +void GLAPIENTRY +_mesa_GetPixelMapusv( GLenum map, GLushort *values ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (map) { + case GL_PIXEL_MAP_I_TO_I: + for (i=0;i<ctx->Pixel.MapItoIsize;i++) { + values[i] = (GLushort) ctx->Pixel.MapItoI[i]; + } + break; + case GL_PIXEL_MAP_S_TO_S: + for (i=0;i<ctx->Pixel.MapStoSsize;i++) { + values[i] = (GLushort) ctx->Pixel.MapStoS[i]; + } + break; + case GL_PIXEL_MAP_I_TO_R: + for (i=0;i<ctx->Pixel.MapItoRsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoR[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_G: + for (i=0;i<ctx->Pixel.MapItoGsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoG[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_B: + for (i=0;i<ctx->Pixel.MapItoBsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoB[i] ); + } + break; + case GL_PIXEL_MAP_I_TO_A: + for (i=0;i<ctx->Pixel.MapItoAsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapItoA[i] ); + } + break; + case GL_PIXEL_MAP_R_TO_R: + for (i=0;i<ctx->Pixel.MapRtoRsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapRtoR[i] ); + } + break; + case GL_PIXEL_MAP_G_TO_G: + for (i=0;i<ctx->Pixel.MapGtoGsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapGtoG[i] ); + } + break; + case GL_PIXEL_MAP_B_TO_B: + for (i=0;i<ctx->Pixel.MapBtoBsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapBtoB[i] ); + } + break; + case GL_PIXEL_MAP_A_TO_A: + for (i=0;i<ctx->Pixel.MapAtoAsize;i++) { + values[i] = FLOAT_TO_USHORT( ctx->Pixel.MapAtoA[i] ); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetPixelMapfv" ); + } +} + + + +/**********************************************************************/ +/***** glPixelTransfer *****/ +/**********************************************************************/ + + +/* + * Implements glPixelTransfer[fi] whether called immediately or from a + * display list. + */ +void GLAPIENTRY +_mesa_PixelTransferf( GLenum pname, GLfloat param ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (pname) { + case GL_MAP_COLOR: + if (ctx->Pixel.MapColorFlag == (param ? GL_TRUE : GL_FALSE)) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.MapColorFlag = param ? GL_TRUE : GL_FALSE; + break; + case GL_MAP_STENCIL: + if (ctx->Pixel.MapStencilFlag == (param ? GL_TRUE : GL_FALSE)) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.MapStencilFlag = param ? GL_TRUE : GL_FALSE; + break; + case GL_INDEX_SHIFT: + if (ctx->Pixel.IndexShift == (GLint) param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.IndexShift = (GLint) param; + break; + case GL_INDEX_OFFSET: + if (ctx->Pixel.IndexOffset == (GLint) param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.IndexOffset = (GLint) param; + break; + case GL_RED_SCALE: + if (ctx->Pixel.RedScale == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.RedScale = param; + break; + case GL_RED_BIAS: + if (ctx->Pixel.RedBias == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.RedBias = param; + break; + case GL_GREEN_SCALE: + if (ctx->Pixel.GreenScale == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.GreenScale = param; + break; + case GL_GREEN_BIAS: + if (ctx->Pixel.GreenBias == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.GreenBias = param; + break; + case GL_BLUE_SCALE: + if (ctx->Pixel.BlueScale == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.BlueScale = param; + break; + case GL_BLUE_BIAS: + if (ctx->Pixel.BlueBias == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.BlueBias = param; + break; + case GL_ALPHA_SCALE: + if (ctx->Pixel.AlphaScale == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.AlphaScale = param; + break; + case GL_ALPHA_BIAS: + if (ctx->Pixel.AlphaBias == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.AlphaBias = param; + break; + case GL_DEPTH_SCALE: + if (ctx->Pixel.DepthScale == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.DepthScale = param; + break; + case GL_DEPTH_BIAS: + if (ctx->Pixel.DepthBias == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.DepthBias = param; + break; + case GL_POST_COLOR_MATRIX_RED_SCALE: + if (ctx->Pixel.PostColorMatrixScale[0] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixScale[0] = param; + break; + case GL_POST_COLOR_MATRIX_RED_BIAS: + if (ctx->Pixel.PostColorMatrixBias[0] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixBias[0] = param; + break; + case GL_POST_COLOR_MATRIX_GREEN_SCALE: + if (ctx->Pixel.PostColorMatrixScale[1] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixScale[1] = param; + break; + case GL_POST_COLOR_MATRIX_GREEN_BIAS: + if (ctx->Pixel.PostColorMatrixBias[1] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixBias[1] = param; + break; + case GL_POST_COLOR_MATRIX_BLUE_SCALE: + if (ctx->Pixel.PostColorMatrixScale[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixScale[2] = param; + break; + case GL_POST_COLOR_MATRIX_BLUE_BIAS: + if (ctx->Pixel.PostColorMatrixBias[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixBias[2] = param; + break; + case GL_POST_COLOR_MATRIX_ALPHA_SCALE: + if (ctx->Pixel.PostColorMatrixScale[3] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixScale[3] = param; + break; + case GL_POST_COLOR_MATRIX_ALPHA_BIAS: + if (ctx->Pixel.PostColorMatrixBias[3] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixBias[3] = param; + break; + case GL_POST_CONVOLUTION_RED_SCALE: + if (ctx->Pixel.PostConvolutionScale[0] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionScale[0] = param; + break; + case GL_POST_CONVOLUTION_RED_BIAS: + if (ctx->Pixel.PostConvolutionBias[0] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionBias[0] = param; + break; + case GL_POST_CONVOLUTION_GREEN_SCALE: + if (ctx->Pixel.PostConvolutionScale[1] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionScale[1] = param; + break; + case GL_POST_CONVOLUTION_GREEN_BIAS: + if (ctx->Pixel.PostConvolutionBias[1] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionBias[1] = param; + break; + case GL_POST_CONVOLUTION_BLUE_SCALE: + if (ctx->Pixel.PostConvolutionScale[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionScale[2] = param; + break; + case GL_POST_CONVOLUTION_BLUE_BIAS: + if (ctx->Pixel.PostConvolutionBias[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionBias[2] = param; + break; + case GL_POST_CONVOLUTION_ALPHA_SCALE: + if (ctx->Pixel.PostConvolutionScale[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionScale[2] = param; + break; + case GL_POST_CONVOLUTION_ALPHA_BIAS: + if (ctx->Pixel.PostConvolutionBias[2] == param) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionBias[2] = param; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" ); + return; + } +} + + +void GLAPIENTRY +_mesa_PixelTransferi( GLenum pname, GLint param ) +{ + _mesa_PixelTransferf( pname, (GLfloat) param ); +} + +/**********************************************************************/ +/***** Pixel processing functions ******/ +/**********************************************************************/ + + +/* + * Apply scale and bias factors to an array of RGBA pixels. + */ +void +_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4], + GLfloat rScale, GLfloat gScale, + GLfloat bScale, GLfloat aScale, + GLfloat rBias, GLfloat gBias, + GLfloat bBias, GLfloat aBias) +{ + (void) ctx; + + if (rScale != 1.0 || rBias != 0.0) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = rgba[i][RCOMP] * rScale + rBias; + } + } + if (gScale != 1.0 || gBias != 0.0) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][GCOMP] = rgba[i][GCOMP] * gScale + gBias; + } + } + if (bScale != 1.0 || bBias != 0.0) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][BCOMP] = rgba[i][BCOMP] * bScale + bBias; + } + } + if (aScale != 1.0 || aBias != 0.0) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][ACOMP] = rgba[i][ACOMP] * aScale + aBias; + } + } +} + + +/* + * Apply pixel mapping to an array of floating point RGBA pixels. + */ +void +_mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] ) +{ + const GLfloat rscale = (GLfloat) (ctx->Pixel.MapRtoRsize - 1); + const GLfloat gscale = (GLfloat) (ctx->Pixel.MapGtoGsize - 1); + const GLfloat bscale = (GLfloat) (ctx->Pixel.MapBtoBsize - 1); + const GLfloat ascale = (GLfloat) (ctx->Pixel.MapAtoAsize - 1); + const GLfloat *rMap = ctx->Pixel.MapRtoR; + const GLfloat *gMap = ctx->Pixel.MapGtoG; + const GLfloat *bMap = ctx->Pixel.MapBtoB; + const GLfloat *aMap = ctx->Pixel.MapAtoA; + GLuint i; + for (i=0;i<n;i++) { + GLfloat r = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F); + GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F); + GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F); + GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F); + rgba[i][RCOMP] = rMap[IROUND(r * rscale)]; + rgba[i][GCOMP] = gMap[IROUND(g * gscale)]; + rgba[i][BCOMP] = bMap[IROUND(b * bscale)]; + rgba[i][ACOMP] = aMap[IROUND(a * ascale)]; + } +} + + +/* + * Apply the color matrix and post color matrix scaling and biasing. + */ +void +_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]) +{ + const GLfloat rs = ctx->Pixel.PostColorMatrixScale[0]; + const GLfloat rb = ctx->Pixel.PostColorMatrixBias[0]; + const GLfloat gs = ctx->Pixel.PostColorMatrixScale[1]; + const GLfloat gb = ctx->Pixel.PostColorMatrixBias[1]; + const GLfloat bs = ctx->Pixel.PostColorMatrixScale[2]; + const GLfloat bb = ctx->Pixel.PostColorMatrixBias[2]; + const GLfloat as = ctx->Pixel.PostColorMatrixScale[3]; + const GLfloat ab = ctx->Pixel.PostColorMatrixBias[3]; + const GLfloat *m = ctx->ColorMatrixStack.Top->m; + GLuint i; + for (i = 0; i < n; i++) { + const GLfloat r = rgba[i][RCOMP]; + const GLfloat g = rgba[i][GCOMP]; + const GLfloat b = rgba[i][BCOMP]; + const GLfloat a = rgba[i][ACOMP]; + rgba[i][RCOMP] = (m[0] * r + m[4] * g + m[ 8] * b + m[12] * a) * rs + rb; + rgba[i][GCOMP] = (m[1] * r + m[5] * g + m[ 9] * b + m[13] * a) * gs + gb; + rgba[i][BCOMP] = (m[2] * r + m[6] * g + m[10] * b + m[14] * a) * bs + bb; + rgba[i][ACOMP] = (m[3] * r + m[7] * g + m[11] * b + m[15] * a) * as + ab; + } +} + + +/** + * Apply a color table lookup to an array of floating point RGBA colors. + */ +void +_mesa_lookup_rgba_float(const struct gl_color_table *table, + GLuint n, GLfloat rgba[][4]) +{ + if (!table->Table || table->Size == 0) + return; + + switch (table->Format) { + case GL_INTENSITY: + /* replace RGBA with I */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][RCOMP] * scale); + GLfloat c = lut[CLAMP(j, 0, max)]; + rgba[i][RCOMP] = rgba[i][GCOMP] = + rgba[i][BCOMP] = rgba[i][ACOMP] = c; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][RCOMP] * scale); + GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); + rgba[i][RCOMP] = rgba[i][GCOMP] = + rgba[i][BCOMP] = rgba[i][ACOMP] = c; + } + } + break; + case GL_LUMINANCE: + /* replace RGB with L */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][RCOMP] * scale); + GLfloat c = lut[CLAMP(j, 0, max)]; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][RCOMP] * scale); + GLfloat c = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; + } + } + break; + case GL_ALPHA: + /* replace A with A */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][ACOMP] * scale); + rgba[i][ACOMP] = lut[CLAMP(j, 0, max)]; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND(rgba[i][ACOMP] * scale); + rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[CLAMP(j, 0, max)]); + } + } + break; + case GL_LUMINANCE_ALPHA: + /* replace RGBA with LLLA */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jL = IROUND(rgba[i][RCOMP] * scale); + GLint jA = IROUND(rgba[i][ACOMP] * scale); + GLfloat luminance, alpha; + jL = CLAMP(jL, 0, max); + jA = CLAMP(jA, 0, max); + luminance = lut[jL * 2 + 0]; + alpha = lut[jA * 2 + 1]; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; + rgba[i][ACOMP] = alpha;; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jL = IROUND(rgba[i][RCOMP] * scale); + GLint jA = IROUND(rgba[i][ACOMP] * scale); + GLfloat luminance, alpha; + jL = CLAMP(jL, 0, max); + jA = CLAMP(jA, 0, max); + luminance = CHAN_TO_FLOAT(lut[jL * 2 + 0]); + alpha = CHAN_TO_FLOAT(lut[jA * 2 + 1]); + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; + rgba[i][ACOMP] = alpha;; + } + } + break; + case GL_RGB: + /* replace RGB with RGB */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND(rgba[i][RCOMP] * scale); + GLint jG = IROUND(rgba[i][GCOMP] * scale); + GLint jB = IROUND(rgba[i][BCOMP] * scale); + jR = CLAMP(jR, 0, max); + jG = CLAMP(jG, 0, max); + jB = CLAMP(jB, 0, max); + rgba[i][RCOMP] = lut[jR * 3 + 0]; + rgba[i][GCOMP] = lut[jG * 3 + 1]; + rgba[i][BCOMP] = lut[jB * 3 + 2]; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND(rgba[i][RCOMP] * scale); + GLint jG = IROUND(rgba[i][GCOMP] * scale); + GLint jB = IROUND(rgba[i][BCOMP] * scale); + jR = CLAMP(jR, 0, max); + jG = CLAMP(jG, 0, max); + jB = CLAMP(jB, 0, max); + rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 3 + 0]); + rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 3 + 1]); + rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 3 + 2]); + } + } + break; + case GL_RGBA: + /* replace RGBA with RGBA */ + if (table->Type == GL_FLOAT) { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND(rgba[i][RCOMP] * scale); + GLint jG = IROUND(rgba[i][GCOMP] * scale); + GLint jB = IROUND(rgba[i][BCOMP] * scale); + GLint jA = IROUND(rgba[i][ACOMP] * scale); + jR = CLAMP(jR, 0, max); + jG = CLAMP(jG, 0, max); + jB = CLAMP(jB, 0, max); + jA = CLAMP(jA, 0, max); + rgba[i][RCOMP] = lut[jR * 4 + 0]; + rgba[i][GCOMP] = lut[jG * 4 + 1]; + rgba[i][BCOMP] = lut[jB * 4 + 2]; + rgba[i][ACOMP] = lut[jA * 4 + 3]; + } + } + else { + const GLint max = table->Size - 1; + const GLfloat scale = (GLfloat) max; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND(rgba[i][RCOMP] * scale); + GLint jG = IROUND(rgba[i][GCOMP] * scale); + GLint jB = IROUND(rgba[i][BCOMP] * scale); + GLint jA = IROUND(rgba[i][ACOMP] * scale); + jR = CLAMP(jR, 0, max); + jG = CLAMP(jG, 0, max); + jB = CLAMP(jB, 0, max); + jA = CLAMP(jA, 0, max); + rgba[i][RCOMP] = CHAN_TO_FLOAT(lut[jR * 4 + 0]); + rgba[i][GCOMP] = CHAN_TO_FLOAT(lut[jG * 4 + 1]); + rgba[i][BCOMP] = CHAN_TO_FLOAT(lut[jB * 4 + 2]); + rgba[i][ACOMP] = CHAN_TO_FLOAT(lut[jA * 4 + 3]); + } + } + break; + default: + _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_float"); + return; + } +} + + + +/** + * Apply a color table lookup to an array of GLchan RGBA colors. + */ +void +_mesa_lookup_rgba_chan(const struct gl_color_table *table, + GLuint n, GLchan rgba[][4]) +{ + if (!table->Table || table->Size == 0) + return; + + switch (table->Format) { + case GL_INTENSITY: + /* replace RGBA with I */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLchan c; + CLAMPED_FLOAT_TO_CHAN(c, lut[j]); + rgba[i][RCOMP] = rgba[i][GCOMP] = + rgba[i][BCOMP] = rgba[i][ACOMP] = c; + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + const GLchan c = lut[rgba[i][RCOMP]]; + rgba[i][RCOMP] = rgba[i][GCOMP] = + rgba[i][BCOMP] = rgba[i][ACOMP] = c; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); + rgba[i][RCOMP] = rgba[i][GCOMP] = + rgba[i][BCOMP] = rgba[i][ACOMP] = lut[j]; + } + } + } + break; + case GL_LUMINANCE: + /* replace RGB with L */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLchan c; + CLAMPED_FLOAT_TO_CHAN(c, lut[j]); + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + const GLchan c = lut[rgba[i][RCOMP]]; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale); + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = lut[j]; + } + } + } + break; + case GL_ALPHA: + /* replace A with A */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale); + GLchan c; + CLAMPED_FLOAT_TO_CHAN(c, lut[j]); + rgba[i][ACOMP] = c; + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][ACOMP] = lut[rgba[i][ACOMP]]; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale); + rgba[i][ACOMP] = lut[j]; + } + } + } + break; + case GL_LUMINANCE_ALPHA: + /* replace RGBA with LLLA */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); + GLchan luminance, alpha; + CLAMPED_FLOAT_TO_CHAN(luminance, lut[jL * 2 + 0]); + CLAMPED_FLOAT_TO_CHAN(alpha, lut[jA * 2 + 1]); + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; + rgba[i][ACOMP] = alpha;; + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLchan l = lut[rgba[i][RCOMP] * 2 + 0]; + GLchan a = lut[rgba[i][ACOMP] * 2 + 1];; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = l; + rgba[i][ACOMP] = a; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); + GLchan luminance = lut[jL * 2 + 0]; + GLchan alpha = lut[jA * 2 + 1]; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance; + rgba[i][ACOMP] = alpha; + } + } + } + break; + case GL_RGB: + /* replace RGB with RGB */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); + GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); + CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 3 + 0]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 3 + 1]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 3 + 2]); + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0]; + rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1]; + rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2]; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); + GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); + rgba[i][RCOMP] = lut[jR * 3 + 0]; + rgba[i][GCOMP] = lut[jG * 3 + 1]; + rgba[i][BCOMP] = lut[jB * 3 + 2]; + } + } + } + break; + case GL_RGBA: + /* replace RGBA with RGBA */ + if (table->Type == GL_FLOAT) { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); + GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); + GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); + CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]); + } + } + else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + if (table->Size == 256) { + /* common case */ + const GLchan *lut = (const GLchan *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0]; + rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1]; + rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2]; + rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3]; + } + } + else +#endif + { + const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF; + const GLfloat *lut = (const GLfloat *) table->Table; + GLuint i; + for (i = 0; i < n; i++) { + GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale); + GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale); + GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale); + GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale); + CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]); + } + } + } + break; + default: + _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_chan"); + return; + } +} + + + +/* + * Apply color index shift and offset to an array of pixels. + */ +void +_mesa_shift_and_offset_ci( const GLcontext *ctx, GLuint n, GLuint indexes[] ) +{ + GLint shift = ctx->Pixel.IndexShift; + GLint offset = ctx->Pixel.IndexOffset; + GLuint i; + if (shift > 0) { + for (i=0;i<n;i++) { + indexes[i] = (indexes[i] << shift) + offset; + } + } + else if (shift < 0) { + shift = -shift; + for (i=0;i<n;i++) { + indexes[i] = (indexes[i] >> shift) + offset; + } + } + else { + for (i=0;i<n;i++) { + indexes[i] = indexes[i] + offset; + } + } +} + + +/* + * Apply color index mapping to color indexes. + */ +void +_mesa_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] ) +{ + GLuint mask = ctx->Pixel.MapItoIsize - 1; + GLuint i; + for (i=0;i<n;i++) { + index[i] = ctx->Pixel.MapItoI[ index[i] & mask ]; + } +} + + +/* + * Map color indexes to rgba values. + */ +void +_mesa_map_ci_to_rgba_chan( const GLcontext *ctx, GLuint n, + const GLuint index[], GLchan rgba[][4] ) +{ +#if CHAN_BITS == 8 + GLuint rmask = ctx->Pixel.MapItoRsize - 1; + GLuint gmask = ctx->Pixel.MapItoGsize - 1; + GLuint bmask = ctx->Pixel.MapItoBsize - 1; + GLuint amask = ctx->Pixel.MapItoAsize - 1; + const GLubyte *rMap = ctx->Pixel.MapItoR8; + const GLubyte *gMap = ctx->Pixel.MapItoG8; + const GLubyte *bMap = ctx->Pixel.MapItoB8; + const GLubyte *aMap = ctx->Pixel.MapItoA8; + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = rMap[index[i] & rmask]; + rgba[i][GCOMP] = gMap[index[i] & gmask]; + rgba[i][BCOMP] = bMap[index[i] & bmask]; + rgba[i][ACOMP] = aMap[index[i] & amask]; + } +#else + GLuint rmask = ctx->Pixel.MapItoRsize - 1; + GLuint gmask = ctx->Pixel.MapItoGsize - 1; + GLuint bmask = ctx->Pixel.MapItoBsize - 1; + GLuint amask = ctx->Pixel.MapItoAsize - 1; + const GLfloat *rMap = ctx->Pixel.MapItoR; + const GLfloat *gMap = ctx->Pixel.MapItoG; + const GLfloat *bMap = ctx->Pixel.MapItoB; + const GLfloat *aMap = ctx->Pixel.MapItoA; + GLuint i; + for (i=0;i<n;i++) { + CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], rMap[index[i] & rmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], gMap[index[i] & gmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], bMap[index[i] & bmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], aMap[index[i] & amask]); + } +#endif +} + + +/* + * Map color indexes to float rgba values. + */ +void +_mesa_map_ci_to_rgba( const GLcontext *ctx, GLuint n, + const GLuint index[], GLfloat rgba[][4] ) +{ + GLuint rmask = ctx->Pixel.MapItoRsize - 1; + GLuint gmask = ctx->Pixel.MapItoGsize - 1; + GLuint bmask = ctx->Pixel.MapItoBsize - 1; + GLuint amask = ctx->Pixel.MapItoAsize - 1; + const GLfloat *rMap = ctx->Pixel.MapItoR; + const GLfloat *gMap = ctx->Pixel.MapItoG; + const GLfloat *bMap = ctx->Pixel.MapItoB; + const GLfloat *aMap = ctx->Pixel.MapItoA; + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = rMap[index[i] & rmask]; + rgba[i][GCOMP] = gMap[index[i] & gmask]; + rgba[i][BCOMP] = bMap[index[i] & bmask]; + rgba[i][ACOMP] = aMap[index[i] & amask]; + } +} + + +/* + * Map 8-bit color indexes to rgb values. + */ +void +_mesa_map_ci8_to_rgba( const GLcontext *ctx, GLuint n, const GLubyte index[], + GLchan rgba[][4] ) +{ +#if CHAN_BITS == 8 + GLuint rmask = ctx->Pixel.MapItoRsize - 1; + GLuint gmask = ctx->Pixel.MapItoGsize - 1; + GLuint bmask = ctx->Pixel.MapItoBsize - 1; + GLuint amask = ctx->Pixel.MapItoAsize - 1; + const GLubyte *rMap = ctx->Pixel.MapItoR8; + const GLubyte *gMap = ctx->Pixel.MapItoG8; + const GLubyte *bMap = ctx->Pixel.MapItoB8; + const GLubyte *aMap = ctx->Pixel.MapItoA8; + GLuint i; + for (i=0;i<n;i++) { + rgba[i][RCOMP] = rMap[index[i] & rmask]; + rgba[i][GCOMP] = gMap[index[i] & gmask]; + rgba[i][BCOMP] = bMap[index[i] & bmask]; + rgba[i][ACOMP] = aMap[index[i] & amask]; + } +#else + GLuint rmask = ctx->Pixel.MapItoRsize - 1; + GLuint gmask = ctx->Pixel.MapItoGsize - 1; + GLuint bmask = ctx->Pixel.MapItoBsize - 1; + GLuint amask = ctx->Pixel.MapItoAsize - 1; + const GLfloat *rMap = ctx->Pixel.MapItoR; + const GLfloat *gMap = ctx->Pixel.MapItoG; + const GLfloat *bMap = ctx->Pixel.MapItoB; + const GLfloat *aMap = ctx->Pixel.MapItoA; + GLuint i; + for (i=0;i<n;i++) { + CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], rMap[index[i] & rmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], gMap[index[i] & gmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], bMap[index[i] & bmask]); + CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], aMap[index[i] & amask]); + } +#endif +} + + +void +_mesa_shift_and_offset_stencil( const GLcontext *ctx, GLuint n, + GLstencil stencil[] ) +{ + GLuint i; + GLint shift = ctx->Pixel.IndexShift; + GLint offset = ctx->Pixel.IndexOffset; + if (shift > 0) { + for (i=0;i<n;i++) { + stencil[i] = (stencil[i] << shift) + offset; + } + } + else if (shift < 0) { + shift = -shift; + for (i=0;i<n;i++) { + stencil[i] = (stencil[i] >> shift) + offset; + } + } + else { + for (i=0;i<n;i++) { + stencil[i] = stencil[i] + offset; + } + } + +} + + +void +_mesa_map_stencil( const GLcontext *ctx, GLuint n, GLstencil stencil[] ) +{ + GLuint mask = ctx->Pixel.MapStoSsize - 1; + GLuint i; + for (i=0;i<n;i++) { + stencil[i] = ctx->Pixel.MapStoS[ stencil[i] & mask ]; + } +} + + + +/* + * This function converts an array of GLchan colors to GLfloat colors. + * Most importantly, it undoes the non-uniform quantization of pixel + * values introduced when we convert shallow (< 8 bit) pixel values + * to GLubytes in the ctx->Driver.ReadRGBASpan() functions. + * This fixes a number of OpenGL conformance failures when running on + * 16bpp displays, for example. + */ +void +_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n, + CONST GLchan rgba[][4], GLfloat rgbaf[][4]) +{ +#if CHAN_TYPE == GL_FLOAT + MEMCPY(rgbaf, rgba, n * 4 * sizeof(GLfloat)); +#else + const GLuint rShift = CHAN_BITS - ctx->Visual.redBits; + const GLuint gShift = CHAN_BITS - ctx->Visual.greenBits; + const GLuint bShift = CHAN_BITS - ctx->Visual.blueBits; + GLuint aShift; + const GLfloat rScale = 1.0F / (GLfloat) ((1 << ctx->Visual.redBits ) - 1); + const GLfloat gScale = 1.0F / (GLfloat) ((1 << ctx->Visual.greenBits) - 1); + const GLfloat bScale = 1.0F / (GLfloat) ((1 << ctx->Visual.blueBits ) - 1); + GLfloat aScale; + GLuint i; + + if (ctx->Visual.alphaBits > 0) { + aShift = CHAN_BITS - ctx->Visual.alphaBits; + aScale = 1.0F / (GLfloat) ((1 << ctx->Visual.alphaBits) - 1); + } + else { + aShift = 0; + aScale = 1.0F / CHAN_MAXF; + } + + for (i = 0; i < n; i++) { + const GLint r = rgba[i][RCOMP] >> rShift; + const GLint g = rgba[i][GCOMP] >> gShift; + const GLint b = rgba[i][BCOMP] >> bShift; + const GLint a = rgba[i][ACOMP] >> aShift; + rgbaf[i][RCOMP] = (GLfloat) r * rScale; + rgbaf[i][GCOMP] = (GLfloat) g * gScale; + rgbaf[i][BCOMP] = (GLfloat) b * bScale; + rgbaf[i][ACOMP] = (GLfloat) a * aScale; + } +#endif +} + +/**********************************************************************/ +/***** State Management *****/ +/**********************************************************************/ + +/* + * Return a bitmask of IMAGE_*_BIT flags which to indicate which + * pixel transfer operations are enabled. + */ +static void +update_image_transfer_state(GLcontext *ctx) +{ + GLuint mask = 0; + + if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F || + ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F || + ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F || + ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F) + mask |= IMAGE_SCALE_BIAS_BIT; + + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) + mask |= IMAGE_SHIFT_OFFSET_BIT; + + if (ctx->Pixel.MapColorFlag) + mask |= IMAGE_MAP_COLOR_BIT; + + if (ctx->Pixel.ColorTableEnabled) + mask |= IMAGE_COLOR_TABLE_BIT; + + if (ctx->Pixel.Convolution1DEnabled || + ctx->Pixel.Convolution2DEnabled || + ctx->Pixel.Separable2DEnabled) { + mask |= IMAGE_CONVOLUTION_BIT; + if (ctx->Pixel.PostConvolutionScale[0] != 1.0F || + ctx->Pixel.PostConvolutionScale[1] != 1.0F || + ctx->Pixel.PostConvolutionScale[2] != 1.0F || + ctx->Pixel.PostConvolutionScale[3] != 1.0F || + ctx->Pixel.PostConvolutionBias[0] != 0.0F || + ctx->Pixel.PostConvolutionBias[1] != 0.0F || + ctx->Pixel.PostConvolutionBias[2] != 0.0F || + ctx->Pixel.PostConvolutionBias[3] != 0.0F) { + mask |= IMAGE_POST_CONVOLUTION_SCALE_BIAS; + } + } + + if (ctx->Pixel.PostConvolutionColorTableEnabled) + mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT; + + if (ctx->ColorMatrixStack.Top->type != MATRIX_IDENTITY || + ctx->Pixel.PostColorMatrixScale[0] != 1.0F || + ctx->Pixel.PostColorMatrixBias[0] != 0.0F || + ctx->Pixel.PostColorMatrixScale[1] != 1.0F || + ctx->Pixel.PostColorMatrixBias[1] != 0.0F || + ctx->Pixel.PostColorMatrixScale[2] != 1.0F || + ctx->Pixel.PostColorMatrixBias[2] != 0.0F || + ctx->Pixel.PostColorMatrixScale[3] != 1.0F || + ctx->Pixel.PostColorMatrixBias[3] != 0.0F) + mask |= IMAGE_COLOR_MATRIX_BIT; + + if (ctx->Pixel.PostColorMatrixColorTableEnabled) + mask |= IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT; + + if (ctx->Pixel.HistogramEnabled) + mask |= IMAGE_HISTOGRAM_BIT; + + if (ctx->Pixel.MinMaxEnabled) + mask |= IMAGE_MIN_MAX_BIT; + + ctx->_ImageTransferState = mask; +} + + +void _mesa_update_pixel( GLcontext *ctx, GLuint new_state ) +{ + if (new_state & _NEW_COLOR_MATRIX) + _math_matrix_analyse( ctx->ColorMatrixStack.Top ); + + /* References ColorMatrix.type (derived above). + */ + if (new_state & _IMAGE_NEW_TRANSFER_STATE) + update_image_transfer_state(ctx); +} + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + + +/** + * Initialize the context's PIXEL attribute group. + */ +void +_mesa_init_pixel( GLcontext *ctx ) +{ + int i; + + /* Pixel group */ + ctx->Pixel.RedBias = 0.0; + ctx->Pixel.RedScale = 1.0; + ctx->Pixel.GreenBias = 0.0; + ctx->Pixel.GreenScale = 1.0; + ctx->Pixel.BlueBias = 0.0; + ctx->Pixel.BlueScale = 1.0; + ctx->Pixel.AlphaBias = 0.0; + ctx->Pixel.AlphaScale = 1.0; + ctx->Pixel.DepthBias = 0.0; + ctx->Pixel.DepthScale = 1.0; + ctx->Pixel.IndexOffset = 0; + ctx->Pixel.IndexShift = 0; + ctx->Pixel.ZoomX = 1.0; + ctx->Pixel.ZoomY = 1.0; + ctx->Pixel.MapColorFlag = GL_FALSE; + ctx->Pixel.MapStencilFlag = GL_FALSE; + ctx->Pixel.MapStoSsize = 1; + ctx->Pixel.MapItoIsize = 1; + ctx->Pixel.MapItoRsize = 1; + ctx->Pixel.MapItoGsize = 1; + ctx->Pixel.MapItoBsize = 1; + ctx->Pixel.MapItoAsize = 1; + ctx->Pixel.MapRtoRsize = 1; + ctx->Pixel.MapGtoGsize = 1; + ctx->Pixel.MapBtoBsize = 1; + ctx->Pixel.MapAtoAsize = 1; + ctx->Pixel.MapStoS[0] = 0; + ctx->Pixel.MapItoI[0] = 0; + ctx->Pixel.MapItoR[0] = 0.0; + ctx->Pixel.MapItoG[0] = 0.0; + ctx->Pixel.MapItoB[0] = 0.0; + ctx->Pixel.MapItoA[0] = 0.0; + ctx->Pixel.MapItoR8[0] = 0; + ctx->Pixel.MapItoG8[0] = 0; + ctx->Pixel.MapItoB8[0] = 0; + ctx->Pixel.MapItoA8[0] = 0; + ctx->Pixel.MapRtoR[0] = 0.0; + ctx->Pixel.MapGtoG[0] = 0.0; + ctx->Pixel.MapBtoB[0] = 0.0; + ctx->Pixel.MapAtoA[0] = 0.0; + ctx->Pixel.HistogramEnabled = GL_FALSE; + ctx->Pixel.MinMaxEnabled = GL_FALSE; + ctx->Pixel.PixelTextureEnabled = GL_FALSE; + ctx->Pixel.FragmentRgbSource = GL_PIXEL_GROUP_COLOR_SGIS; + ctx->Pixel.FragmentAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS; + ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.PostColorMatrixBias, 0.0, 0.0, 0.0, 0.0); + ASSIGN_4V(ctx->Pixel.ColorTableScale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.ColorTableBias, 0.0, 0.0, 0.0, 0.0); + ASSIGN_4V(ctx->Pixel.PCCTscale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.PCCTbias, 0.0, 0.0, 0.0, 0.0); + ASSIGN_4V(ctx->Pixel.PCMCTscale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.PCMCTbias, 0.0, 0.0, 0.0, 0.0); + ctx->Pixel.ColorTableEnabled = GL_FALSE; + ctx->Pixel.PostConvolutionColorTableEnabled = GL_FALSE; + ctx->Pixel.PostColorMatrixColorTableEnabled = GL_FALSE; + ctx->Pixel.Convolution1DEnabled = GL_FALSE; + ctx->Pixel.Convolution2DEnabled = GL_FALSE; + ctx->Pixel.Separable2DEnabled = GL_FALSE; + for (i = 0; i < 3; i++) { + ASSIGN_4V(ctx->Pixel.ConvolutionBorderColor[i], 0.0, 0.0, 0.0, 0.0); + ctx->Pixel.ConvolutionBorderMode[i] = GL_REDUCE; + ASSIGN_4V(ctx->Pixel.ConvolutionFilterScale[i], 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.ConvolutionFilterBias[i], 0.0, 0.0, 0.0, 0.0); + } + for (i = 0; i < MAX_CONVOLUTION_WIDTH * MAX_CONVOLUTION_WIDTH * 4; i++) { + ctx->Convolution1D.Filter[i] = 0.0; + ctx->Convolution2D.Filter[i] = 0.0; + ctx->Separable2D.Filter[i] = 0.0; + } + ASSIGN_4V(ctx->Pixel.PostConvolutionScale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.PostConvolutionBias, 0.0, 0.0, 0.0, 0.0); + /* GL_SGI_texture_color_table */ + ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0); + ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0); + + /* Pixel transfer */ + ctx->Pack.Alignment = 4; + ctx->Pack.RowLength = 0; + ctx->Pack.ImageHeight = 0; + ctx->Pack.SkipPixels = 0; + ctx->Pack.SkipRows = 0; + ctx->Pack.SkipImages = 0; + ctx->Pack.SwapBytes = GL_FALSE; + ctx->Pack.LsbFirst = GL_FALSE; + ctx->Pack.ClientStorage = GL_FALSE; + ctx->Pack.Invert = GL_FALSE; +#if FEATURE_EXT_pixel_buffer_object + ctx->Pack.BufferObj = ctx->Array.NullBufferObj; +#endif + ctx->Unpack.Alignment = 4; + ctx->Unpack.RowLength = 0; + ctx->Unpack.ImageHeight = 0; + ctx->Unpack.SkipPixels = 0; + ctx->Unpack.SkipRows = 0; + ctx->Unpack.SkipImages = 0; + ctx->Unpack.SwapBytes = GL_FALSE; + ctx->Unpack.LsbFirst = GL_FALSE; + ctx->Unpack.ClientStorage = GL_FALSE; + ctx->Unpack.Invert = GL_FALSE; +#if FEATURE_EXT_pixel_buffer_object + ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; +#endif + + /* + * _mesa_unpack_image() returns image data in this format. When we + * execute image commands (glDrawPixels(), glTexImage(), etc) from + * within display lists we have to be sure to set the current + * unpacking parameters to these values! + */ + ctx->DefaultPacking.Alignment = 1; + ctx->DefaultPacking.RowLength = 0; + ctx->DefaultPacking.SkipPixels = 0; + ctx->DefaultPacking.SkipRows = 0; + ctx->DefaultPacking.ImageHeight = 0; + ctx->DefaultPacking.SkipImages = 0; + ctx->DefaultPacking.SwapBytes = GL_FALSE; + ctx->DefaultPacking.LsbFirst = GL_FALSE; + ctx->DefaultPacking.ClientStorage = GL_FALSE; + ctx->DefaultPacking.Invert = GL_FALSE; +#if FEATURE_EXT_pixel_buffer_object + ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; +#endif + + if (ctx->Visual.doubleBufferMode) { + ctx->Pixel.ReadBuffer = GL_BACK; + ctx->Pixel._ReadSrcMask = DD_BACK_LEFT_BIT; + } + else { + ctx->Pixel.ReadBuffer = GL_FRONT; + ctx->Pixel._ReadSrcMask = DD_FRONT_LEFT_BIT; + } + + /* Miscellaneous */ + ctx->_ImageTransferState = 0; +} diff --git a/src/mesa/main/pixel.h b/src/mesa/main/pixel.h new file mode 100644 index 0000000..13dee25 --- /dev/null +++ b/src/mesa/main/pixel.h @@ -0,0 +1,153 @@ +/** + * \file pixel.h + * Pixel operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef PIXEL_H +#define PIXEL_H + + +#include "mtypes.h" + + +/** \name API functions */ +/*@{*/ + +extern void GLAPIENTRY +_mesa_GetPixelMapfv( GLenum map, GLfloat *values ); + +extern void GLAPIENTRY +_mesa_GetPixelMapuiv( GLenum map, GLuint *values ); + +extern void GLAPIENTRY +_mesa_GetPixelMapusv( GLenum map, GLushort *values ); + +extern void GLAPIENTRY +_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values ); + +extern void GLAPIENTRY +_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values ); + +extern void GLAPIENTRY +_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values ); + +extern void GLAPIENTRY +_mesa_PixelStoref( GLenum pname, GLfloat param ); + + +extern void GLAPIENTRY +_mesa_PixelStorei( GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_PixelTransferf( GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_PixelTransferi( GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor ); + +/*@}*/ + + +/** \name Pixel processing functions */ +/*@{*/ + +extern void +_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4], + GLfloat rScale, GLfloat gScale, + GLfloat bScale, GLfloat aScale, + GLfloat rBias, GLfloat gBias, + GLfloat bBias, GLfloat aBias); + +extern void +_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]); + + +extern void +_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]); + + +extern void +_mesa_lookup_rgba_float(const struct gl_color_table *table, + GLuint n, GLfloat rgba[][4]); + +extern void +_mesa_lookup_rgba_chan(const struct gl_color_table *table, + GLuint n, GLchan rgba[][4]); + + +extern void +_mesa_shift_and_offset_ci(const GLcontext *ctx, GLuint n, + GLuint indexes[]); + + +extern void +_mesa_map_ci(const GLcontext *ctx, GLuint n, GLuint index[]); + + +extern void +_mesa_map_ci_to_rgba_chan(const GLcontext *ctx, + GLuint n, const GLuint index[], + GLchan rgba[][4]); + + +extern void +_mesa_map_ci_to_rgba(const GLcontext *ctx, + GLuint n, const GLuint index[], GLfloat rgba[][4]); + + +extern void +_mesa_map_ci8_to_rgba(const GLcontext *ctx, + GLuint n, const GLubyte index[], + GLchan rgba[][4]); + + +extern void +_mesa_shift_and_offset_stencil(const GLcontext *ctx, GLuint n, + GLstencil indexes[]); + + +extern void +_mesa_map_stencil(const GLcontext *ctx, GLuint n, GLstencil index[]); + + +extern void +_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n, + CONST GLchan rgba[][4], GLfloat rgbaf[][4]); + + +extern void +_mesa_update_pixel( GLcontext *ctx, GLuint newstate ); + +extern void +_mesa_init_pixel( GLcontext * ctx ); + +/*@}*/ + +#endif diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c new file mode 100644 index 0000000..2ffb1a4 --- /dev/null +++ b/src/mesa/main/points.c @@ -0,0 +1,292 @@ +/** + * \file points.c + * Point operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "context.h" +#include "macros.h" +#include "points.h" +#include "texstate.h" +#include "mtypes.h" + + +/** + * Set the point size. + * + * \param size pointer diameter. + * + * \sa glPointSize(). + * + * Verifies the parameter and updates gl_point_attrib::Size. On a change, + * flushes the vertices, updates the clamped point size and marks the + * DD_POINT_SIZE flag in __GLcontextRec::_TriangleCaps for the drivers if the + * size is different from one. Notifies the driver via + * the dd_function_table::PointSize callback. + */ +void GLAPIENTRY +_mesa_PointSize( GLfloat size ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (size <= 0.0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPointSize" ); + return; + } + + if (ctx->Point.Size == size) + return; + + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.Size = size; + ctx->Point._Size = CLAMP(size, + ctx->Const.MinPointSize, + ctx->Const.MaxPointSize); + + if (ctx->Point._Size == 1.0F) + ctx->_TriangleCaps &= ~DD_POINT_SIZE; + else + ctx->_TriangleCaps |= DD_POINT_SIZE; + + if (ctx->Driver.PointSize) + (*ctx->Driver.PointSize)(ctx, size); +} + + +#if _HAVE_FULL_GL + +/* + * Added by GL_NV_point_sprite + */ +void GLAPIENTRY +_mesa_PointParameteriNV( GLenum pname, GLint param ) +{ + const GLfloat value = (GLfloat) param; + _mesa_PointParameterfvEXT(pname, &value); +} + + +/* + * Added by GL_NV_point_sprite + */ +void GLAPIENTRY +_mesa_PointParameterivNV( GLenum pname, const GLint *params ) +{ + const GLfloat value = (GLfloat) params[0]; + _mesa_PointParameterfvEXT(pname, &value); +} + + + +/* + * Same for both GL_EXT_point_parameters and GL_ARB_point_parameters. + */ +void GLAPIENTRY +_mesa_PointParameterfEXT( GLenum pname, GLfloat param) +{ + _mesa_PointParameterfvEXT(pname, ¶m); +} + + + +/* + * Same for both GL_EXT_point_parameters and GL_ARB_point_parameters. + */ +void GLAPIENTRY +_mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (pname) { + case GL_DISTANCE_ATTENUATION_EXT: + if (ctx->Extensions.EXT_point_parameters) { + const GLboolean tmp = ctx->Point._Attenuated; + if (TEST_EQ_3V(ctx->Point.Params, params)) + return; + + FLUSH_VERTICES(ctx, _NEW_POINT); + COPY_3V(ctx->Point.Params, params); + + /* Update several derived values now. This likely to be + * more efficient than trying to catch this statechange in + * state.c. + */ + ctx->Point._Attenuated = (params[0] != 1.0 || + params[1] != 0.0 || + params[2] != 0.0); + + if (tmp != ctx->Point._Attenuated) { + ctx->_TriangleCaps ^= DD_POINT_ATTEN; + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + case GL_POINT_SIZE_MIN_EXT: + if (ctx->Extensions.EXT_point_parameters) { + if (params[0] < 0.0F) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glPointParameterf[v]{EXT,ARB}(param)" ); + return; + } + if (ctx->Point.MinSize == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.MinSize = params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + case GL_POINT_SIZE_MAX_EXT: + if (ctx->Extensions.EXT_point_parameters) { + if (params[0] < 0.0F) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glPointParameterf[v]{EXT,ARB}(param)" ); + return; + } + if (ctx->Point.MaxSize == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.MaxSize = params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + case GL_POINT_FADE_THRESHOLD_SIZE_EXT: + if (ctx->Extensions.EXT_point_parameters) { + if (params[0] < 0.0F) { + _mesa_error( ctx, GL_INVALID_VALUE, + "glPointParameterf[v]{EXT,ARB}(param)" ); + return; + } + if (ctx->Point.Threshold == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.Threshold = params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + case GL_POINT_SPRITE_R_MODE_NV: + /* This is one area where ARB_point_sprite and NV_point_sprite + * differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is + * always ZERO. NV_point_sprite adds the S and R modes. + */ + if (ctx->Extensions.NV_point_sprite) { + GLenum value = (GLenum) params[0]; + if (value != GL_ZERO && value != GL_S && value != GL_R) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glPointParameterf[v]{EXT,ARB}(param)"); + return; + } + if (ctx->Point.SpriteRMode == value) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.SpriteRMode = value; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + case GL_POINT_SPRITE_COORD_ORIGIN: + if (ctx->Extensions.ARB_point_sprite) { + GLenum value = (GLenum) params[0]; + if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glPointParameterf[v]{EXT,ARB}(param)"); + return; + } + if (ctx->Point.SpriteOrigin == value) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.SpriteOrigin = value; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)"); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, + "glPointParameterf[v]{EXT,ARB}(pname)" ); + return; + } + + if (ctx->Driver.PointParameterfv) + (*ctx->Driver.PointParameterfv)(ctx, pname, params); +} +#endif + + +/** + * Initialize the context point state. + * + * \param ctx GL context. + * + * Initializes __GLcontextRec::Point and point related constants in + * __GLcontextRec::Const. + */ +void _mesa_init_point( GLcontext * ctx ) +{ + int i; + + /* Point group */ + ctx->Point.SmoothFlag = GL_FALSE; + ctx->Point.Size = 1.0; + ctx->Point._Size = 1.0; + ctx->Point.Params[0] = 1.0; + ctx->Point.Params[1] = 0.0; + ctx->Point.Params[2] = 0.0; + ctx->Point._Attenuated = GL_FALSE; + ctx->Point.MinSize = 0.0; + ctx->Point.MaxSize = ctx->Const.MaxPointSize; + ctx->Point.Threshold = 1.0; + ctx->Point.PointSprite = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */ + ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */ + ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */ + for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */ + } +} diff --git a/src/mesa/main/points.h b/src/mesa/main/points.h new file mode 100644 index 0000000..16513c3 --- /dev/null +++ b/src/mesa/main/points.h @@ -0,0 +1,57 @@ +/** + * \file points.h + * Point operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef POINTS_H +#define POINTS_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_PointSize( GLfloat size ); + +extern void GLAPIENTRY +_mesa_PointParameteriNV( GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_PointParameterivNV( GLenum pname, const GLint *params ); + +extern void GLAPIENTRY +_mesa_PointParameterfEXT( GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params ); + +extern void +_mesa_init_point( GLcontext * ctx ); + + +#endif diff --git a/src/mesa/main/polygon.c b/src/mesa/main/polygon.c new file mode 100644 index 0000000..192c405 --- /dev/null +++ b/src/mesa/main/polygon.c @@ -0,0 +1,304 @@ +/** + * \file polygon.c + * Polygon operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "image.h" +#include "enums.h" +#include "macros.h" +#include "polygon.h" +#include "mtypes.h" + + +/** + * Specify whether to cull front- or back-facing facets. + * + * \param mode culling mode. + * + * \sa glCullFace(). + * + * Verifies the parameter and updates gl_polygon_attrib::CullFaceMode. On + * change, flushes the vertices and notifies the driver via + * the dd_function_table::CullFace callback. + */ +void GLAPIENTRY +_mesa_CullFace( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glCullFace %s\n", _mesa_lookup_enum_by_nr(mode)); + + if (mode!=GL_FRONT && mode!=GL_BACK && mode!=GL_FRONT_AND_BACK) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCullFace" ); + return; + } + + if (ctx->Polygon.CullFaceMode == mode) + return; + + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.CullFaceMode = mode; + + if (ctx->Driver.CullFace) + ctx->Driver.CullFace( ctx, mode ); +} + + +/** + * Define front- and back-facing + * + * \param mode orientation of front-facing polygons. + * + * \sa glFrontFace(). + * + * Verifies the parameter and updates gl_polygon_attrib::FrontFace. On change + * flushes the vertices and notifies the driver via + * the dd_function_table::FrontFace callback. + */ +void GLAPIENTRY +_mesa_FrontFace( GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glFrontFace %s\n", _mesa_lookup_enum_by_nr(mode)); + + if (mode!=GL_CW && mode!=GL_CCW) { + _mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" ); + return; + } + + if (ctx->Polygon.FrontFace == mode) + return; + + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.FrontFace = mode; + + ctx->Polygon._FrontBit = (GLboolean) (mode == GL_CW); + + if (ctx->Driver.FrontFace) + ctx->Driver.FrontFace( ctx, mode ); +} + + +/** + * Set the polygon rasterization mode. + * + * \param face the polygons which \p mode applies to. + * \param mode how polygons should be rasterized. + * + * \sa glPolygonMode(). + * + * Verifies the parameters and updates gl_polygon_attrib::FrontMode and + * gl_polygon_attrib::BackMode. On change flushes the vertices and notifies the + * driver via the dd_function_table::PolygonMode callback. + */ +void GLAPIENTRY +_mesa_PolygonMode( GLenum face, GLenum mode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glPolygonMode %s %s\n", + _mesa_lookup_enum_by_nr(face), + _mesa_lookup_enum_by_nr(mode)); + + if (mode!=GL_POINT && mode!=GL_LINE && mode!=GL_FILL) { + _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(mode)" ); + return; + } + + switch (face) { + case GL_FRONT: + if (ctx->Polygon.FrontMode == mode) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.FrontMode = mode; + break; + case GL_FRONT_AND_BACK: + if (ctx->Polygon.FrontMode == mode && + ctx->Polygon.BackMode == mode) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.FrontMode = mode; + ctx->Polygon.BackMode = mode; + break; + case GL_BACK: + if (ctx->Polygon.BackMode == mode) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.BackMode = mode; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(face)" ); + return; + } + + ctx->_TriangleCaps &= ~DD_TRI_UNFILLED; + if (ctx->Polygon.FrontMode!=GL_FILL || ctx->Polygon.BackMode!=GL_FILL) + ctx->_TriangleCaps |= DD_TRI_UNFILLED; + + if (ctx->Driver.PolygonMode) { + (*ctx->Driver.PolygonMode)( ctx, face, mode ); + } +} + +#if _HAVE_FULL_GL + +void GLAPIENTRY +_mesa_PolygonStipple( const GLubyte *pattern ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glPolygonStipple\n"); + + FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE); + _mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack); + + if (ctx->Driver.PolygonStipple) + ctx->Driver.PolygonStipple( ctx, (const GLubyte *) ctx->PolygonStipple ); +} + + + +void GLAPIENTRY +_mesa_GetPolygonStipple( GLubyte *dest ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glGetPolygonStipple\n"); + + _mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack); +} + + +void GLAPIENTRY +_mesa_PolygonOffset( GLfloat factor, GLfloat units ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units); + + if (ctx->Polygon.OffsetFactor == factor && + ctx->Polygon.OffsetUnits == units) + return; + + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.OffsetFactor = factor; + ctx->Polygon.OffsetUnits = units; + + if (ctx->Driver.PolygonOffset) + ctx->Driver.PolygonOffset( ctx, factor, units ); +} + + + +void GLAPIENTRY +_mesa_PolygonOffsetEXT( GLfloat factor, GLfloat bias ) +{ + GET_CURRENT_CONTEXT(ctx); + _mesa_PolygonOffset(factor, bias * ctx->DepthMaxF ); +} + +#endif + + +/**********************************************************************/ +/** \name State Management */ +/*@{*/ + +/* + * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET + * in ctx->_TriangleCaps if needed. + */ +void _mesa_update_polygon( GLcontext *ctx ) +{ + ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET); + + if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) + ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK; + + /* Any Polygon offsets enabled? */ + if (ctx->Polygon.OffsetPoint || + ctx->Polygon.OffsetLine || + ctx->Polygon.OffsetFill) { + ctx->_TriangleCaps |= DD_TRI_OFFSET; + } +} + +/*@}*/ + + +/**********************************************************************/ +/** \name Initialization */ +/*@{*/ + +/** + * Initialize the context polygon state. + * + * \param ctx GL context. + * + * Initializes __GLcontextRec::Polygon and __GLcontextRec::PolygonStipple + * attribute groups. + */ +void _mesa_init_polygon( GLcontext * ctx ) +{ + /* Polygon group */ + ctx->Polygon.CullFlag = GL_FALSE; + ctx->Polygon.CullFaceMode = GL_BACK; + ctx->Polygon.FrontFace = GL_CCW; + ctx->Polygon._FrontBit = 0; + ctx->Polygon.FrontMode = GL_FILL; + ctx->Polygon.BackMode = GL_FILL; + ctx->Polygon.SmoothFlag = GL_FALSE; + ctx->Polygon.StippleFlag = GL_FALSE; + ctx->Polygon.OffsetFactor = 0.0F; + ctx->Polygon.OffsetUnits = 0.0F; + ctx->Polygon.OffsetPoint = GL_FALSE; + ctx->Polygon.OffsetLine = GL_FALSE; + ctx->Polygon.OffsetFill = GL_FALSE; + + + /* Polygon Stipple group */ + MEMSET( ctx->PolygonStipple, 0xff, 32*sizeof(GLuint) ); +} + +/*@}*/ diff --git a/src/mesa/main/polygon.h b/src/mesa/main/polygon.h new file mode 100644 index 0000000..ef2fd0e --- /dev/null +++ b/src/mesa/main/polygon.h @@ -0,0 +1,65 @@ +/** + * \file polygon.h + * Polygon operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef POLYGON_H +#define POLYGON_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_CullFace( GLenum mode ); + +extern void GLAPIENTRY +_mesa_FrontFace( GLenum mode ); + +extern void GLAPIENTRY +_mesa_PolygonMode( GLenum face, GLenum mode ); + +extern void GLAPIENTRY +_mesa_PolygonOffset( GLfloat factor, GLfloat units ); + +extern void GLAPIENTRY +_mesa_PolygonOffsetEXT( GLfloat factor, GLfloat bias ); + +extern void GLAPIENTRY +_mesa_PolygonStipple( const GLubyte *mask ); + +extern void GLAPIENTRY +_mesa_GetPolygonStipple( GLubyte *mask ); + +extern void +_mesa_update_polygon( GLcontext *ctx ); + +extern void +_mesa_init_polygon( GLcontext * ctx ); + +#endif diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c new file mode 100644 index 0000000..b6c3d90 --- /dev/null +++ b/src/mesa/main/rastpos.c @@ -0,0 +1,1025 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file rastpos.c + * Raster position operations. + */ + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "feedback.h" +#include "light.h" +#include "macros.h" +#include "rastpos.h" +#include "state.h" +#include "simple_list.h" +#include "mtypes.h" + +#include "math/m_matrix.h" + + +/** + * Clip a point against the view volume. + * + * \param v vertex vector describing the point to clip. + * + * \return zero if outside view volume, or one if inside. + */ +static GLuint +viewclip_point( const GLfloat v[] ) +{ + if ( v[0] > v[3] || v[0] < -v[3] + || v[1] > v[3] || v[1] < -v[3] + || v[2] > v[3] || v[2] < -v[3] ) { + return 0; + } + else { + return 1; + } +} + + +/** + * Clip a point against the far/near Z clipping planes. + * + * \param v vertex vector describing the point to clip. + * + * \return zero if outside view volume, or one if inside. + */ +static GLuint +viewclip_point_z( const GLfloat v[] ) +{ + if (v[2] > v[3] || v[2] < -v[3] ) { + return 0; + } + else { + return 1; + } +} + + +/** + * Clip a point against the user clipping planes. + * + * \param ctx GL context. + * \param v vertex vector describing the point to clip. + * + * \return zero if the point was clipped, or one otherwise. + */ +static GLuint +userclip_point( GLcontext *ctx, const GLfloat v[] ) +{ + GLuint p; + + for (p = 0; p < ctx->Const.MaxClipPlanes; p++) { + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { + GLfloat dot = v[0] * ctx->Transform._ClipUserPlane[p][0] + + v[1] * ctx->Transform._ClipUserPlane[p][1] + + v[2] * ctx->Transform._ClipUserPlane[p][2] + + v[3] * ctx->Transform._ClipUserPlane[p][3]; + if (dot < 0.0F) { + return 0; + } + } + } + + return 1; +} + + +/** + * This has been split off to allow the normal shade routines to + * get a little closer to the vertex buffer, and to use the + * GLvector objects directly. + * \param ctx the context + * \param vertex vertex location + * \param normal normal vector + * \param Rcolor returned color + * \param Rspec returned specular color (if separate specular enabled) + * \param Rindex returned color index + */ +static void +shade_rastpos(GLcontext *ctx, + const GLfloat vertex[4], + const GLfloat normal[3], + GLfloat Rcolor[4], + GLfloat Rspec[4], + GLfloat *Rindex) +{ + GLfloat (*base)[3] = ctx->Light._BaseColor; + struct gl_light *light; + GLfloat diffuseColor[4], specularColor[4]; + GLfloat diffuse = 0, specular = 0; + + if (!ctx->_ShineTable[0] || !ctx->_ShineTable[1]) + _mesa_validate_all_lighting_tables( ctx ); + + COPY_3V(diffuseColor, base[0]); + diffuseColor[3] = CLAMP( + ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3], 0.0F, 1.0F ); + ASSIGN_4V(specularColor, 0.0, 0.0, 0.0, 0.0); + + foreach (light, &ctx->Light.EnabledList) { + GLfloat n_dot_h; + GLfloat attenuation = 1.0; + GLfloat VP[3]; + GLfloat n_dot_VP; + GLfloat *h; + GLfloat diffuseContrib[3], specularContrib[3]; + GLboolean normalized; + + if (!(light->_Flags & LIGHT_POSITIONAL)) { + COPY_3V(VP, light->_VP_inf_norm); + attenuation = light->_VP_inf_spot_attenuation; + } + else { + GLfloat d; + + SUB_3V(VP, light->_Position, vertex); + d = (GLfloat) LEN_3FV( VP ); + + if ( d > 1e-6) { + GLfloat invd = 1.0F / d; + SELF_SCALE_SCALAR_3V(VP, invd); + } + attenuation = 1.0F / (light->ConstantAttenuation + d * + (light->LinearAttenuation + d * + light->QuadraticAttenuation)); + + if (light->_Flags & LIGHT_SPOT) { + GLfloat PV_dot_dir = - DOT3(VP, light->_NormDirection); + + if (PV_dot_dir<light->_CosCutoff) { + continue; + } + else { + double x = PV_dot_dir * (EXP_TABLE_SIZE-1); + int k = (int) x; + GLfloat spot = (GLfloat) (light->_SpotExpTable[k][0] + + (x-k)*light->_SpotExpTable[k][1]); + attenuation *= spot; + } + } + } + + if (attenuation < 1e-3) + continue; + + n_dot_VP = DOT3( normal, VP ); + + if (n_dot_VP < 0.0F) { + ACC_SCALE_SCALAR_3V(diffuseColor, attenuation, light->_MatAmbient[0]); + continue; + } + + COPY_3V(diffuseContrib, light->_MatAmbient[0]); + ACC_SCALE_SCALAR_3V(diffuseContrib, n_dot_VP, light->_MatDiffuse[0]); + diffuse += n_dot_VP * light->_dli * attenuation; + ASSIGN_3V(specularContrib, 0.0, 0.0, 0.0); + + { + if (ctx->Light.Model.LocalViewer) { + GLfloat v[3]; + COPY_3V(v, vertex); + NORMALIZE_3FV(v); + SUB_3V(VP, VP, v); + h = VP; + normalized = 0; + } + else if (light->_Flags & LIGHT_POSITIONAL) { + h = VP; + ACC_3V(h, ctx->_EyeZDir); + normalized = 0; + } + else { + h = light->_h_inf_norm; + normalized = 1; + } + + n_dot_h = DOT3(normal, h); + + if (n_dot_h > 0.0F) { + GLfloat (*mat)[4] = ctx->Light.Material.Attrib; + GLfloat spec_coef; + GLfloat shininess = mat[MAT_ATTRIB_FRONT_SHININESS][0]; + + if (!normalized) { + n_dot_h *= n_dot_h; + n_dot_h /= LEN_SQUARED_3FV( h ); + shininess *= .5; + } + + GET_SHINE_TAB_ENTRY( ctx->_ShineTable[0], n_dot_h, spec_coef ); + + if (spec_coef > 1.0e-10) { + if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR) { + ACC_SCALE_SCALAR_3V( specularContrib, spec_coef, + light->_MatSpecular[0]); + } + else { + ACC_SCALE_SCALAR_3V( diffuseContrib, spec_coef, + light->_MatSpecular[0]); + } + specular += spec_coef * light->_sli * attenuation; + } + } + } + + ACC_SCALE_SCALAR_3V( diffuseColor, attenuation, diffuseContrib ); + ACC_SCALE_SCALAR_3V( specularColor, attenuation, specularContrib ); + } + + if (ctx->Visual.rgbMode) { + Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F); + Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F); + Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F); + Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F); + Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F); + Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F); + Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F); + Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F); + } + else { + GLfloat *ind = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_INDEXES]; + GLfloat d_a = ind[MAT_INDEX_DIFFUSE] - ind[MAT_INDEX_AMBIENT]; + GLfloat s_a = ind[MAT_INDEX_SPECULAR] - ind[MAT_INDEX_AMBIENT]; + GLfloat i = (ind[MAT_INDEX_AMBIENT] + + diffuse * (1.0F-specular) * d_a + + specular * s_a); + if (i > ind[MAT_INDEX_SPECULAR]) { + i = ind[MAT_INDEX_SPECULAR]; + } + *Rindex = i; + } +} + + +/** + * Do texgen needed for glRasterPos. + * \param ctx rendering context + * \param vObj object-space vertex coordinate + * \param vEye eye-space vertex coordinate + * \param normal vertex normal + * \param unit texture unit number + * \param texcoord incoming texcoord and resulting texcoord + */ +static void +compute_texgen(GLcontext *ctx, const GLfloat vObj[4], const GLfloat vEye[4], + const GLfloat normal[3], GLuint unit, GLfloat texcoord[4]) +{ + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + + /* always compute sphere map terms, just in case */ + GLfloat u[3], two_nu, rx, ry, rz, m, mInv; + COPY_3V(u, vEye); + NORMALIZE_3FV(u); + two_nu = 2.0F * DOT3(normal, u); + rx = u[0] - normal[0] * two_nu; + ry = u[1] - normal[1] * two_nu; + rz = u[2] - normal[2] * two_nu; + m = rx * rx + ry * ry + (rz + 1.0F) * (rz + 1.0F); + if (m > 0.0F) + mInv = 0.5F * _mesa_inv_sqrtf(m); + else + mInv = 0.0F; + + if (texUnit->TexGenEnabled & S_BIT) { + switch (texUnit->GenModeS) { + case GL_OBJECT_LINEAR: + texcoord[0] = DOT4(vObj, texUnit->ObjectPlaneS); + break; + case GL_EYE_LINEAR: + texcoord[0] = DOT4(vEye, texUnit->EyePlaneS); + break; + case GL_SPHERE_MAP: + texcoord[0] = rx * mInv + 0.5F; + break; + case GL_REFLECTION_MAP: + texcoord[0] = rx; + break; + case GL_NORMAL_MAP: + texcoord[0] = normal[0]; + break; + default: + _mesa_problem(ctx, "Bad S texgen in compute_texgen()"); + return; + } + } + + if (texUnit->TexGenEnabled & T_BIT) { + switch (texUnit->GenModeT) { + case GL_OBJECT_LINEAR: + texcoord[1] = DOT4(vObj, texUnit->ObjectPlaneT); + break; + case GL_EYE_LINEAR: + texcoord[1] = DOT4(vEye, texUnit->EyePlaneT); + break; + case GL_SPHERE_MAP: + texcoord[1] = ry * mInv + 0.5F; + break; + case GL_REFLECTION_MAP: + texcoord[1] = ry; + break; + case GL_NORMAL_MAP: + texcoord[1] = normal[1]; + break; + default: + _mesa_problem(ctx, "Bad T texgen in compute_texgen()"); + return; + } + } + + if (texUnit->TexGenEnabled & R_BIT) { + switch (texUnit->GenModeR) { + case GL_OBJECT_LINEAR: + texcoord[2] = DOT4(vObj, texUnit->ObjectPlaneR); + break; + case GL_EYE_LINEAR: + texcoord[2] = DOT4(vEye, texUnit->EyePlaneR); + break; + case GL_REFLECTION_MAP: + texcoord[2] = rz; + break; + case GL_NORMAL_MAP: + texcoord[2] = normal[2]; + break; + default: + _mesa_problem(ctx, "Bad R texgen in compute_texgen()"); + return; + } + } + + if (texUnit->TexGenEnabled & Q_BIT) { + switch (texUnit->GenModeQ) { + case GL_OBJECT_LINEAR: + texcoord[3] = DOT4(vObj, texUnit->ObjectPlaneQ); + break; + case GL_EYE_LINEAR: + texcoord[3] = DOT4(vEye, texUnit->EyePlaneQ); + break; + default: + _mesa_problem(ctx, "Bad Q texgen in compute_texgen()"); + return; + } + } +} + + + +/** + * Set the raster position for pixel operations. + * + * All glRasterPos command call this function to update the current + * raster position. + * + * \param ctx GL context. + * \param x x coordinate for the raster position. + * \param y y coordinate for the raster position. + * \param z z coordinate for the raster position. + * \param w w coordinate for the raster position. + * + * \sa Called by _mesa_RasterPos4f(). + * + * Flushes the vertices, transforms and clips the vertex coordinates, and + * finally sets the current raster position and associated data in + * __GLcontextRec::Current. When in selection mode calls + * _mesa_update_hitflag() with the current raster position. + */ +static void +raster_pos4f(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + FLUSH_CURRENT(ctx, 0); + + if (ctx->NewState) + _mesa_update_state( ctx ); + + if (ctx->VertexProgram._Enabled) { + /* XXX implement this */ + _mesa_problem(ctx, "Vertex programs not implemented for glRasterPos"); + return; + } + else { + GLfloat obj[4], eye[4], clip[4], ndc[3], d; + GLfloat *norm, eyenorm[3]; + GLfloat *objnorm = ctx->Current.Attrib[VERT_ATTRIB_NORMAL]; + + ASSIGN_4V( obj, x, y, z, w ); + /* apply modelview matrix: eye = MV * obj */ + TRANSFORM_POINT( eye, ctx->ModelviewMatrixStack.Top->m, obj ); + /* apply projection matrix: clip = Proj * eye */ + TRANSFORM_POINT( clip, ctx->ProjectionMatrixStack.Top->m, eye ); + + /* clip to view volume */ + if (ctx->Transform.RasterPositionUnclipped) { + /* GL_IBM_rasterpos_clip: only clip against Z */ + if (viewclip_point_z(clip) == 0) { + ctx->Current.RasterPosValid = GL_FALSE; + return; + } + } + else if (viewclip_point(clip) == 0) { + /* Normal OpenGL behaviour */ + ctx->Current.RasterPosValid = GL_FALSE; + return; + } + + /* clip to user clipping planes */ + if (ctx->Transform.ClipPlanesEnabled && !userclip_point(ctx, clip)) { + ctx->Current.RasterPosValid = GL_FALSE; + return; + } + + /* ndc = clip / W */ + d = (clip[3] == 0.0F) ? 1.0F : 1.0F / clip[3]; + ndc[0] = clip[0] * d; + ndc[1] = clip[1] * d; + ndc[2] = clip[2] * d; + /* wincoord = viewport_mapping(ndc) */ + ctx->Current.RasterPos[0] = (ndc[0] * ctx->Viewport._WindowMap.m[MAT_SX] + + ctx->Viewport._WindowMap.m[MAT_TX]); + ctx->Current.RasterPos[1] = (ndc[1] * ctx->Viewport._WindowMap.m[MAT_SY] + + ctx->Viewport._WindowMap.m[MAT_TY]); + ctx->Current.RasterPos[2] = (ndc[2] * ctx->Viewport._WindowMap.m[MAT_SZ] + + ctx->Viewport._WindowMap.m[MAT_TZ]) + / ctx->DepthMaxF; + ctx->Current.RasterPos[3] = clip[3]; + + /* compute raster distance */ + if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) + ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + else + ctx->Current.RasterDistance = + SQRTF( eye[0]*eye[0] + eye[1]*eye[1] + eye[2]*eye[2] ); + + /* compute transformed normal vector (for lighting or texgen) */ + if (ctx->_NeedEyeCoords) { + const GLfloat *inv = ctx->ModelviewMatrixStack.Top->inv; + TRANSFORM_NORMAL( eyenorm, objnorm, inv ); + norm = eyenorm; + } + else { + norm = objnorm; + } + + /* update raster color */ + if (ctx->Light.Enabled) { + /* lighting */ + shade_rastpos( ctx, obj, norm, + ctx->Current.RasterColor, + ctx->Current.RasterSecondaryColor, + &ctx->Current.RasterIndex ); + } + else { + /* use current color or index */ + if (ctx->Visual.rgbMode) { + COPY_4FV(ctx->Current.RasterColor, + ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); + COPY_4FV(ctx->Current.RasterSecondaryColor, + ctx->Current.Attrib[VERT_ATTRIB_COLOR1]); + } + else { + ctx->Current.RasterIndex = ctx->Current.Index; + } + } + + /* texture coords */ + { + GLuint u; + for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { + GLfloat tc[4]; + COPY_4V(tc, ctx->Current.Attrib[VERT_ATTRIB_TEX0 + u]); + if (ctx->Texture.Unit[u].TexGenEnabled) { + compute_texgen(ctx, obj, eye, norm, u, tc); + } + TRANSFORM_POINT(ctx->Current.RasterTexCoords[u], + ctx->TextureMatrixStack[u].Top->m, tc); + } + } + + ctx->Current.RasterPosValid = GL_TRUE; + } + + if (ctx->RenderMode == GL_SELECT) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } +} + + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2d(GLdouble x, GLdouble y) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2f(GLfloat x, GLfloat y) +{ + _mesa_RasterPos4f(x, y, 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2i(GLint x, GLint y) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2s(GLshort x, GLshort y) +{ + _mesa_RasterPos4f(x, y, 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z) +{ + _mesa_RasterPos4f(x, y, z, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3i(GLint x, GLint y, GLint z) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3s(GLshort x, GLshort y, GLshort z) +{ + _mesa_RasterPos4f(x, y, z, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +/** Calls raster_pos4f() */ +void GLAPIENTRY +_mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + raster_pos4f(ctx, x, y, z, w); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w) +{ + _mesa_RasterPos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w) +{ + _mesa_RasterPos4f(x, y, z, w); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2dv(const GLdouble *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2fv(const GLfloat *v) +{ + _mesa_RasterPos4f(v[0], v[1], 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2iv(const GLint *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos2sv(const GLshort *v) +{ + _mesa_RasterPos4f(v[0], v[1], 0.0F, 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3dv(const GLdouble *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3fv(const GLfloat *v) +{ + _mesa_RasterPos4f(v[0], v[1], v[2], 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3iv(const GLint *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos3sv(const GLshort *v) +{ + _mesa_RasterPos4f(v[0], v[1], v[2], 1.0F); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4dv(const GLdouble *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4fv(const GLfloat *v) +{ + _mesa_RasterPos4f(v[0], v[1], v[2], v[3]); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4iv(const GLint *v) +{ + _mesa_RasterPos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +/** Calls _mesa_RasterPos4f() */ +void GLAPIENTRY +_mesa_RasterPos4sv(const GLshort *v) +{ + _mesa_RasterPos4f(v[0], v[1], v[2], v[3]); +} + + +/**********************************************************************/ +/*** GL_ARB_window_pos / GL_MESA_window_pos ***/ +/**********************************************************************/ + +#if FEATURE_windowpos +/** + * All glWindowPosMESA and glWindowPosARB commands call this function to + * update the current raster position. + */ +static void +window_pos3f(GLfloat x, GLfloat y, GLfloat z) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat z2; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + FLUSH_CURRENT(ctx, 0); + + z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near) + + ctx->Viewport.Near; + + /* set raster position */ + ctx->Current.RasterPos[0] = x; + ctx->Current.RasterPos[1] = y; + ctx->Current.RasterPos[2] = z2; + ctx->Current.RasterPos[3] = 1.0F; + + ctx->Current.RasterPosValid = GL_TRUE; + + if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) + ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + else + ctx->Current.RasterDistance = 0.0; + + /* raster color = current color or index */ + if (ctx->Visual.rgbMode) { + ctx->Current.RasterColor[0] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F); + ctx->Current.RasterColor[1] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F); + ctx->Current.RasterColor[2] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F); + ctx->Current.RasterColor[3] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[0] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[1] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[2] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[3] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F); + } + else { + ctx->Current.RasterIndex = ctx->Current.Index; + } + + /* raster texcoord = current texcoord */ + { + GLuint texSet; + for (texSet = 0; texSet < ctx->Const.MaxTextureCoordUnits; texSet++) { + COPY_4FV( ctx->Current.RasterTexCoords[texSet], + ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] ); + } + } + + if (ctx->RenderMode==GL_SELECT) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } +} + + +/* This is just to support the GL_MESA_window_pos version */ +static void +window_pos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + window_pos3f(x, y, z); + ctx->Current.RasterPos[3] = w; +} + + +void GLAPIENTRY +_mesa_WindowPos2dMESA(GLdouble x, GLdouble y) +{ + window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2fMESA(GLfloat x, GLfloat y) +{ + window_pos4f(x, y, 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2iMESA(GLint x, GLint y) +{ + window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2sMESA(GLshort x, GLshort y) +{ + window_pos4f(x, y, 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z) +{ + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z) +{ + window_pos4f(x, y, z, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z) +{ + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z) +{ + window_pos4f(x, y, z, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +void GLAPIENTRY +_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + window_pos4f(x, y, z, w); +} + +void GLAPIENTRY +_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w) +{ + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +void GLAPIENTRY +_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w) +{ + window_pos4f(x, y, z, w); +} + +void GLAPIENTRY +_mesa_WindowPos2dvMESA(const GLdouble *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2fvMESA(const GLfloat *v) +{ + window_pos4f(v[0], v[1], 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2ivMESA(const GLint *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos2svMESA(const GLshort *v) +{ + window_pos4f(v[0], v[1], 0.0F, 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3dvMESA(const GLdouble *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3fvMESA(const GLfloat *v) +{ + window_pos4f(v[0], v[1], v[2], 1.0); +} + +void GLAPIENTRY +_mesa_WindowPos3ivMESA(const GLint *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos3svMESA(const GLshort *v) +{ + window_pos4f(v[0], v[1], v[2], 1.0F); +} + +void GLAPIENTRY +_mesa_WindowPos4dvMESA(const GLdouble *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +void GLAPIENTRY +_mesa_WindowPos4fvMESA(const GLfloat *v) +{ + window_pos4f(v[0], v[1], v[2], v[3]); +} + +void GLAPIENTRY +_mesa_WindowPos4ivMESA(const GLint *v) +{ + window_pos4f((GLfloat) v[0], (GLfloat) v[1], + (GLfloat) v[2], (GLfloat) v[3]); +} + +void GLAPIENTRY +_mesa_WindowPos4svMESA(const GLshort *v) +{ + window_pos4f(v[0], v[1], v[2], v[3]); +} + +#endif + +#if 0 + +/* + * OpenGL implementation of glWindowPos*MESA() + */ +void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + GLfloat fx, fy; + + /* Push current matrix mode and viewport attributes */ + glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT ); + + /* Setup projection parameters */ + glMatrixMode( GL_PROJECTION ); + glPushMatrix(); + glLoadIdentity(); + glMatrixMode( GL_MODELVIEW ); + glPushMatrix(); + glLoadIdentity(); + + glDepthRange( z, z ); + glViewport( (int) x - 1, (int) y - 1, 2, 2 ); + + /* set the raster (window) position */ + fx = x - (int) x; + fy = y - (int) y; + glRasterPos4f( fx, fy, 0.0, w ); + + /* restore matrices, viewport and matrix mode */ + glPopMatrix(); + glMatrixMode( GL_PROJECTION ); + glPopMatrix(); + + glPopAttrib(); +} + +#endif + + +/**********************************************************************/ +/** \name Initialization */ +/**********************************************************************/ +/*@{*/ + +/** + * Initialize the context current raster position information. + * + * \param ctx GL context. + * + * Initialize the current raster position information in + * __GLcontextRec::Current, and adds the extension entry points to the + * dispatcher. + */ +void _mesa_init_rastpos( GLcontext * ctx ) +{ + int i; + + ASSIGN_4V( ctx->Current.RasterPos, 0.0, 0.0, 0.0, 1.0 ); + ctx->Current.RasterDistance = 0.0; + ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 ); + ctx->Current.RasterIndex = 1.0; + for (i=0; i<MAX_TEXTURE_UNITS; i++) + ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 ); + ctx->Current.RasterPosValid = GL_TRUE; + + /* + * For XFree86/DRI: tell libGL to add these functions to the dispatcher. + * Basically, we should add all extension functions above offset 577. + * This enables older libGL libraries to work with newer drivers that + * have newer extensions. + */ + /* GL_ARB_window_pos aliases with GL_MESA_window_pos */ + _glapi_add_entrypoint("glWindowPos2dARB", 513); + _glapi_add_entrypoint("glWindowPos2dvARB", 514); + _glapi_add_entrypoint("glWindowPos2fARB", 515); + _glapi_add_entrypoint("glWindowPos2fvARB", 516); + _glapi_add_entrypoint("glWindowPos2iARB", 517); + _glapi_add_entrypoint("glWindowPos2ivARB", 518); + _glapi_add_entrypoint("glWindowPos2sARB", 519); + _glapi_add_entrypoint("glWindowPos2svARB", 520); + _glapi_add_entrypoint("glWindowPos3dARB", 521); + _glapi_add_entrypoint("glWindowPos3dvARB", 522); + _glapi_add_entrypoint("glWindowPos3fARB", 523); + _glapi_add_entrypoint("glWindowPos3fvARB", 524); + _glapi_add_entrypoint("glWindowPos3iARB", 525); + _glapi_add_entrypoint("glWindowPos3ivARB", 526); + _glapi_add_entrypoint("glWindowPos3sARB", 527); + _glapi_add_entrypoint("glWindowPos3svARB", 528); +} + +/*@}*/ diff --git a/src/mesa/main/rastpos.h b/src/mesa/main/rastpos.h new file mode 100644 index 0000000..363f86a --- /dev/null +++ b/src/mesa/main/rastpos.h @@ -0,0 +1,193 @@ +/** + * \file rastpos.h + * Raster position operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef RASTPOS_H +#define RASTPOS_H + + +#include "glheader.h" + + +extern void GLAPIENTRY +_mesa_RasterPos2d(GLdouble x, GLdouble y); + +extern void GLAPIENTRY +_mesa_RasterPos2f(GLfloat x, GLfloat y); + +extern void GLAPIENTRY +_mesa_RasterPos2i(GLint x, GLint y); + +extern void GLAPIENTRY +_mesa_RasterPos2s(GLshort x, GLshort y); + +extern void GLAPIENTRY +_mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z); + +extern void GLAPIENTRY +_mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z); + +extern void GLAPIENTRY +_mesa_RasterPos3i(GLint x, GLint y, GLint z); + +extern void GLAPIENTRY +_mesa_RasterPos3s(GLshort x, GLshort y, GLshort z); + +extern void GLAPIENTRY +_mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w); + +extern void GLAPIENTRY +_mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w); + +extern void GLAPIENTRY +_mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w); + +extern void GLAPIENTRY +_mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w); + +extern void GLAPIENTRY +_mesa_RasterPos2dv(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_RasterPos2fv(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_RasterPos2iv(const GLint *v); + +extern void GLAPIENTRY +_mesa_RasterPos2sv(const GLshort *v); + +extern void GLAPIENTRY +_mesa_RasterPos3dv(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_RasterPos3fv(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_RasterPos3iv(const GLint *v); + +extern void GLAPIENTRY +_mesa_RasterPos3sv(const GLshort *v); + +extern void GLAPIENTRY +_mesa_RasterPos4dv(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_RasterPos4fv(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_RasterPos4iv(const GLint *v); + +extern void GLAPIENTRY +_mesa_RasterPos4sv(const GLshort *v); + + +/**********************************************************************/ +/** \name GL_MESA_window_pos */ +/**********************************************************************/ +/*@{*/ + +extern void GLAPIENTRY +_mesa_WindowPos2dMESA(GLdouble x, GLdouble y); + +extern void GLAPIENTRY +_mesa_WindowPos2fMESA(GLfloat x, GLfloat y); + +extern void GLAPIENTRY +_mesa_WindowPos2iMESA(GLint x, GLint y); + +extern void GLAPIENTRY +_mesa_WindowPos2sMESA(GLshort x, GLshort y); + +extern void GLAPIENTRY +_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z); + +extern void GLAPIENTRY +_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z); + +extern void GLAPIENTRY +_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z); + +extern void GLAPIENTRY +_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z); + +extern void GLAPIENTRY +_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w); + +extern void GLAPIENTRY +_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w); + +extern void GLAPIENTRY +_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w); + +extern void GLAPIENTRY +_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w); + +extern void GLAPIENTRY +_mesa_WindowPos2dvMESA(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_WindowPos2fvMESA(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_WindowPos2ivMESA(const GLint *v); + +extern void GLAPIENTRY +_mesa_WindowPos2svMESA(const GLshort *v); + +extern void GLAPIENTRY +_mesa_WindowPos3dvMESA(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_WindowPos3fvMESA(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_WindowPos3ivMESA(const GLint *v); + +extern void GLAPIENTRY +_mesa_WindowPos3svMESA(const GLshort *v); + +extern void GLAPIENTRY +_mesa_WindowPos4dvMESA(const GLdouble *v); + +extern void GLAPIENTRY +_mesa_WindowPos4fvMESA(const GLfloat *v); + +extern void GLAPIENTRY +_mesa_WindowPos4ivMESA(const GLint *v); + +extern void GLAPIENTRY +_mesa_WindowPos4svMESA(const GLshort *v); + +extern void +_mesa_init_rastpos( GLcontext * ctx ); + +/*@}*/ + +#endif diff --git a/src/mesa/main/simple_list.h b/src/mesa/main/simple_list.h new file mode 100644 index 0000000..63475f6 --- /dev/null +++ b/src/mesa/main/simple_list.h @@ -0,0 +1,197 @@ +/** + * \file simple_list.h + * Simple macros for type-safe, intrusive lists. + * + * Intended to work with a list sentinal which is created as an empty + * list. Insert & delete are O(1). + * + * \author + * (C) 1997, Keith Whitwell + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _SIMPLE_LIST_H +#define _SIMPLE_LIST_H + +/** + * Remove an element from list. + * + * \param elem element to remove. + */ +#define remove_from_list(elem) \ +do { \ + (elem)->next->prev = (elem)->prev; \ + (elem)->prev->next = (elem)->next; \ +} while (0) + +/** + * Insert an element to the list head. + * + * \param list list. + * \param elem element to insert. + */ +#define insert_at_head(list, elem) \ +do { \ + (elem)->prev = list; \ + (elem)->next = (list)->next; \ + (list)->next->prev = elem; \ + (list)->next = elem; \ +} while(0) + +/** + * Insert an element to the list tail. + * + * \param list list. + * \param elem element to insert. + */ +#define insert_at_tail(list, elem) \ +do { \ + (elem)->next = list; \ + (elem)->prev = (list)->prev; \ + (list)->prev->next = elem; \ + (list)->prev = elem; \ +} while(0) + +/** + * Move an element to the list head. + * + * \param list list. + * \param elem element to move. + */ +#define move_to_head(list, elem) \ +do { \ + remove_from_list(elem); \ + insert_at_head(list, elem); \ +} while (0) + +/** + * Move an element to the list tail. + * + * \param list list. + * \param elem element to move. + */ +#define move_to_tail(list, elem) \ +do { \ + remove_from_list(elem); \ + insert_at_tail(list, elem); \ +} while (0) + +/** + * Make a empty list empty. + * + * \param sentinal list (sentinal element). + */ +#define make_empty_list(sentinal) \ +do { \ + (sentinal)->next = sentinal; \ + (sentinal)->prev = sentinal; \ +} while (0) + +/** + * Get list first element. + * + * \param list list. + * + * \return pointer to first element. + */ +#define first_elem(list) ((list)->next) + +/** + * Get list last element. + * + * \param list list. + * + * \return pointer to last element. + */ +#define last_elem(list) ((list)->prev) + +/** + * Get next element. + * + * \param elem element. + * + * \return pointer to next element. + */ +#define next_elem(elem) ((elem)->next) + +/** + * Get previous element. + * + * \param elem element. + * + * \return pointer to previous element. + */ +#define prev_elem(elem) ((elem)->prev) + +/** + * Test whether element is at end of the list. + * + * \param list list. + * \param elem element. + * + * \return non-zero if element is at end of list, or zero otherwise. + */ +#define at_end(list, elem) ((elem) == (list)) + +/** + * Test if a list is empty. + * + * \param list list. + * + * \return non-zero if list empty, or zero otherwise. + */ +#define is_empty_list(list) ((list)->next == (list)) + +/** + * Walk through the elements of a list. + * + * \param ptr pointer to the current element. + * \param list list. + * + * \note It should be followed by a { } block or a single statement, as in a \c + * for loop. + */ +#define foreach(ptr, list) \ + for( ptr=(list)->next ; ptr!=list ; ptr=(ptr)->next ) + +/** + * Walk through the elements of a list. + * + * Same as #foreach but lets you unlink the current value during a list + * traversal. Useful for freeing a list, element by element. + * + * \param ptr pointer to the current element. + * \param t temporary pointer. + * \param list list. + * + * \note It should be followed by a { } block or a single statement, as in a \c + * for loop. + */ +#define foreach_s(ptr, t, list) \ + for(ptr=(list)->next,t=(ptr)->next; list != ptr; ptr=t, t=(t)->next) + +#endif diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c new file mode 100644 index 0000000..1487879 --- /dev/null +++ b/src/mesa/main/state.c @@ -0,0 +1,951 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file state.c + * State management. + * + * This file manages recalculation of derived values in the __GLcontextRec. + * Also, this is where we initialize the API dispatch table. + */ + +#include "glheader.h" +#include "accum.h" +#include "api_loopback.h" +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program +#include "arbprogram.h" +#endif +#include "attrib.h" +#include "blend.h" +#if FEATURE_ARB_vertex_buffer_object +#include "bufferobj.h" +#endif +#include "buffers.h" +#include "clip.h" +#include "colortab.h" +#include "context.h" +#include "convolve.h" +#include "depth.h" +#include "dlist.h" +#include "drawpix.h" +#include "enable.h" +#include "eval.h" +#include "get.h" +#include "feedback.h" +#include "fog.h" +#include "hint.h" +#include "histogram.h" +#include "imports.h" +#include "light.h" +#include "lines.h" +#include "macros.h" +#include "matrix.h" +#if FEATURE_ARB_occlusion_query +#include "occlude.h" +#endif +#include "pixel.h" +#include "points.h" +#include "polygon.h" +#include "rastpos.h" +#include "state.h" +#include "stencil.h" +#include "teximage.h" +#include "texobj.h" +#include "texstate.h" +#include "mtypes.h" +#include "varray.h" +#if FEATURE_NV_vertex_program +#include "nvprogram.h" +#endif +#if FEATURE_NV_fragment_program +#include "nvfragprog.h" +#include "nvprogram.h" +#include "program.h" +#endif +#include "debug.h" + +/* #include "math/m_matrix.h" */ +/* #include "math/m_xform.h" */ + + +/**********************************************************************/ +/** \name Dispatch table setup */ +/*@{*/ + +/** + * Generic no-op dispatch function. + * + * Used in replacement of the functions which are not part of Mesa subset. + * + * Displays a message. + */ +static int +generic_noop(void) +{ + _mesa_problem(NULL, "User called no-op dispatch function (an unsupported extension function?)"); + return 0; +} + + +/** + * Set all pointers in the given dispatch table to point to a + * generic no-op function - generic_noop(). + * + * \param table dispatch table. + * \param tableSize dispatch table size. + */ +void +_mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize) +{ + typedef void (*func_ptr_t)(void); + GLuint i; + func_ptr_t *dispatch = (func_ptr_t *) table; + for (i = 0; i < tableSize; i++) { + dispatch[i] = (func_ptr_t)generic_noop; + } +} + + +/** + * Initialize a dispatch table with pointers to Mesa's immediate-mode + * commands. + * + * Pointers to glBegin()/glEnd() object commands and a few others + * are provided via the GLvertexformat interface. + * + * \param exec dispatch table. + * \param tableSize dispatch table size. + */ +void +_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize) +{ + /* first initialize all dispatch slots to no-op */ + _mesa_init_no_op_table(exec, tableSize); + +#if _HAVE_FULL_GL + _mesa_loopback_init_api_table( exec ); +#endif + + /* load the dispatch slots we understand */ + exec->AlphaFunc = _mesa_AlphaFunc; + exec->BlendFunc = _mesa_BlendFunc; + exec->Clear = _mesa_Clear; + exec->ClearColor = _mesa_ClearColor; + exec->ClearStencil = _mesa_ClearStencil; + exec->ColorMask = _mesa_ColorMask; + exec->CullFace = _mesa_CullFace; + exec->Disable = _mesa_Disable; + exec->DrawBuffer = _mesa_DrawBuffer; + exec->Enable = _mesa_Enable; + exec->Finish = _mesa_Finish; + exec->Flush = _mesa_Flush; + exec->FrontFace = _mesa_FrontFace; + exec->Frustum = _mesa_Frustum; + exec->GetError = _mesa_GetError; + exec->GetFloatv = _mesa_GetFloatv; + exec->GetString = _mesa_GetString; + exec->InitNames = _mesa_InitNames; + exec->LineStipple = _mesa_LineStipple; + exec->LineWidth = _mesa_LineWidth; + exec->LoadIdentity = _mesa_LoadIdentity; + exec->LoadMatrixf = _mesa_LoadMatrixf; + exec->LoadName = _mesa_LoadName; + exec->LogicOp = _mesa_LogicOp; + exec->MatrixMode = _mesa_MatrixMode; + exec->MultMatrixf = _mesa_MultMatrixf; + exec->Ortho = _mesa_Ortho; + exec->PixelStorei = _mesa_PixelStorei; + exec->PopMatrix = _mesa_PopMatrix; + exec->PopName = _mesa_PopName; + exec->PushMatrix = _mesa_PushMatrix; + exec->PushName = _mesa_PushName; + exec->RasterPos2f = _mesa_RasterPos2f; + exec->RasterPos2fv = _mesa_RasterPos2fv; + exec->RasterPos2i = _mesa_RasterPos2i; + exec->RasterPos2iv = _mesa_RasterPos2iv; + exec->ReadBuffer = _mesa_ReadBuffer; + exec->RenderMode = _mesa_RenderMode; + exec->Rotatef = _mesa_Rotatef; + exec->Scalef = _mesa_Scalef; + exec->Scissor = _mesa_Scissor; + exec->SelectBuffer = _mesa_SelectBuffer; + exec->ShadeModel = _mesa_ShadeModel; + exec->StencilFunc = _mesa_StencilFunc; + exec->StencilMask = _mesa_StencilMask; + exec->StencilOp = _mesa_StencilOp; + exec->TexEnvfv = _mesa_TexEnvfv; + exec->TexEnvi = _mesa_TexEnvi; + exec->TexImage2D = _mesa_TexImage2D; + exec->TexParameteri = _mesa_TexParameteri; + exec->Translatef = _mesa_Translatef; + exec->Viewport = _mesa_Viewport; +#if _HAVE_FULL_GL + exec->Accum = _mesa_Accum; + exec->Bitmap = _mesa_Bitmap; + exec->CallList = _mesa_CallList; + exec->CallLists = _mesa_CallLists; + exec->ClearAccum = _mesa_ClearAccum; + exec->ClearDepth = _mesa_ClearDepth; + exec->ClearIndex = _mesa_ClearIndex; + exec->ClipPlane = _mesa_ClipPlane; + exec->ColorMaterial = _mesa_ColorMaterial; + exec->CopyPixels = _mesa_CopyPixels; + exec->CullParameterfvEXT = _mesa_CullParameterfvEXT; + exec->CullParameterdvEXT = _mesa_CullParameterdvEXT; + exec->DeleteLists = _mesa_DeleteLists; + exec->DepthFunc = _mesa_DepthFunc; + exec->DepthMask = _mesa_DepthMask; + exec->DepthRange = _mesa_DepthRange; + exec->DrawPixels = _mesa_DrawPixels; + exec->EndList = _mesa_EndList; + exec->FeedbackBuffer = _mesa_FeedbackBuffer; + exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT; + exec->Fogf = _mesa_Fogf; + exec->Fogfv = _mesa_Fogfv; + exec->Fogi = _mesa_Fogi; + exec->Fogiv = _mesa_Fogiv; + exec->GenLists = _mesa_GenLists; + exec->GetClipPlane = _mesa_GetClipPlane; + exec->GetBooleanv = _mesa_GetBooleanv; + exec->GetDoublev = _mesa_GetDoublev; + exec->GetIntegerv = _mesa_GetIntegerv; + exec->GetLightfv = _mesa_GetLightfv; + exec->GetLightiv = _mesa_GetLightiv; + exec->GetMapdv = _mesa_GetMapdv; + exec->GetMapfv = _mesa_GetMapfv; + exec->GetMapiv = _mesa_GetMapiv; + exec->GetMaterialfv = _mesa_GetMaterialfv; + exec->GetMaterialiv = _mesa_GetMaterialiv; + exec->GetPixelMapfv = _mesa_GetPixelMapfv; + exec->GetPixelMapuiv = _mesa_GetPixelMapuiv; + exec->GetPixelMapusv = _mesa_GetPixelMapusv; + exec->GetPolygonStipple = _mesa_GetPolygonStipple; + exec->GetTexEnvfv = _mesa_GetTexEnvfv; + exec->GetTexEnviv = _mesa_GetTexEnviv; + exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv; + exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv; + exec->GetTexParameterfv = _mesa_GetTexParameterfv; + exec->GetTexParameteriv = _mesa_GetTexParameteriv; + exec->GetTexGendv = _mesa_GetTexGendv; + exec->GetTexGenfv = _mesa_GetTexGenfv; + exec->GetTexGeniv = _mesa_GetTexGeniv; + exec->GetTexImage = _mesa_GetTexImage; + exec->Hint = _mesa_Hint; + exec->IndexMask = _mesa_IndexMask; + exec->IsEnabled = _mesa_IsEnabled; + exec->IsList = _mesa_IsList; + exec->LightModelf = _mesa_LightModelf; + exec->LightModelfv = _mesa_LightModelfv; + exec->LightModeli = _mesa_LightModeli; + exec->LightModeliv = _mesa_LightModeliv; + exec->Lightf = _mesa_Lightf; + exec->Lightfv = _mesa_Lightfv; + exec->Lighti = _mesa_Lighti; + exec->Lightiv = _mesa_Lightiv; + exec->ListBase = _mesa_ListBase; + exec->LoadMatrixd = _mesa_LoadMatrixd; + exec->Map1d = _mesa_Map1d; + exec->Map1f = _mesa_Map1f; + exec->Map2d = _mesa_Map2d; + exec->Map2f = _mesa_Map2f; + exec->MapGrid1d = _mesa_MapGrid1d; + exec->MapGrid1f = _mesa_MapGrid1f; + exec->MapGrid2d = _mesa_MapGrid2d; + exec->MapGrid2f = _mesa_MapGrid2f; + exec->MultMatrixd = _mesa_MultMatrixd; + exec->NewList = _mesa_NewList; + exec->PassThrough = _mesa_PassThrough; + exec->PixelMapfv = _mesa_PixelMapfv; + exec->PixelMapuiv = _mesa_PixelMapuiv; + exec->PixelMapusv = _mesa_PixelMapusv; + exec->PixelStoref = _mesa_PixelStoref; + exec->PixelTransferf = _mesa_PixelTransferf; + exec->PixelTransferi = _mesa_PixelTransferi; + exec->PixelZoom = _mesa_PixelZoom; + exec->PointSize = _mesa_PointSize; + exec->PolygonMode = _mesa_PolygonMode; + exec->PolygonOffset = _mesa_PolygonOffset; + exec->PolygonStipple = _mesa_PolygonStipple; + exec->PopAttrib = _mesa_PopAttrib; + exec->PushAttrib = _mesa_PushAttrib; + exec->RasterPos2d = _mesa_RasterPos2d; + exec->RasterPos2dv = _mesa_RasterPos2dv; + exec->RasterPos2s = _mesa_RasterPos2s; + exec->RasterPos2sv = _mesa_RasterPos2sv; + exec->RasterPos3d = _mesa_RasterPos3d; + exec->RasterPos3dv = _mesa_RasterPos3dv; + exec->RasterPos3f = _mesa_RasterPos3f; + exec->RasterPos3fv = _mesa_RasterPos3fv; + exec->RasterPos3i = _mesa_RasterPos3i; + exec->RasterPos3iv = _mesa_RasterPos3iv; + exec->RasterPos3s = _mesa_RasterPos3s; + exec->RasterPos3sv = _mesa_RasterPos3sv; + exec->RasterPos4d = _mesa_RasterPos4d; + exec->RasterPos4dv = _mesa_RasterPos4dv; + exec->RasterPos4f = _mesa_RasterPos4f; + exec->RasterPos4fv = _mesa_RasterPos4fv; + exec->RasterPos4i = _mesa_RasterPos4i; + exec->RasterPos4iv = _mesa_RasterPos4iv; + exec->RasterPos4s = _mesa_RasterPos4s; + exec->RasterPos4sv = _mesa_RasterPos4sv; + exec->ReadPixels = _mesa_ReadPixels; + exec->Rotated = _mesa_Rotated; + exec->Scaled = _mesa_Scaled; + exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT; + exec->TexEnvf = _mesa_TexEnvf; + exec->TexEnviv = _mesa_TexEnviv; + exec->TexGend = _mesa_TexGend; + exec->TexGendv = _mesa_TexGendv; + exec->TexGenf = _mesa_TexGenf; + exec->TexGenfv = _mesa_TexGenfv; + exec->TexGeni = _mesa_TexGeni; + exec->TexGeniv = _mesa_TexGeniv; + exec->TexImage1D = _mesa_TexImage1D; + exec->TexParameterf = _mesa_TexParameterf; + exec->TexParameterfv = _mesa_TexParameterfv; + exec->TexParameteriv = _mesa_TexParameteriv; + exec->Translated = _mesa_Translated; +#endif + + /* 1.1 */ + exec->BindTexture = _mesa_BindTexture; + exec->DeleteTextures = _mesa_DeleteTextures; + exec->GenTextures = _mesa_GenTextures; +#if _HAVE_FULL_GL + exec->AreTexturesResident = _mesa_AreTexturesResident; + exec->AreTexturesResidentEXT = _mesa_AreTexturesResident; + exec->ColorPointer = _mesa_ColorPointer; + exec->CopyTexImage1D = _mesa_CopyTexImage1D; + exec->CopyTexImage2D = _mesa_CopyTexImage2D; + exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D; + exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D; + exec->DisableClientState = _mesa_DisableClientState; + exec->EdgeFlagPointer = _mesa_EdgeFlagPointer; + exec->EnableClientState = _mesa_EnableClientState; + exec->GenTexturesEXT = _mesa_GenTextures; + exec->GetPointerv = _mesa_GetPointerv; + exec->IndexPointer = _mesa_IndexPointer; + exec->InterleavedArrays = _mesa_InterleavedArrays; + exec->IsTexture = _mesa_IsTexture; + exec->IsTextureEXT = _mesa_IsTexture; + exec->NormalPointer = _mesa_NormalPointer; + exec->PopClientAttrib = _mesa_PopClientAttrib; + exec->PrioritizeTextures = _mesa_PrioritizeTextures; + exec->PushClientAttrib = _mesa_PushClientAttrib; + exec->TexCoordPointer = _mesa_TexCoordPointer; + exec->TexSubImage1D = _mesa_TexSubImage1D; + exec->TexSubImage2D = _mesa_TexSubImage2D; + exec->VertexPointer = _mesa_VertexPointer; +#endif + + /* 1.2 */ +#if _HAVE_FULL_GL + exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D; + exec->TexImage3D = _mesa_TexImage3D; + exec->TexSubImage3D = _mesa_TexSubImage3D; +#endif + + /* OpenGL 1.2 GL_ARB_imaging */ +#if _HAVE_FULL_GL + exec->BlendColor = _mesa_BlendColor; + exec->BlendEquation = _mesa_BlendEquation; + exec->BlendEquationSeparateEXT = _mesa_BlendEquationSeparateEXT; + exec->ColorSubTable = _mesa_ColorSubTable; + exec->ColorTable = _mesa_ColorTable; + exec->ColorTableParameterfv = _mesa_ColorTableParameterfv; + exec->ColorTableParameteriv = _mesa_ColorTableParameteriv; + exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D; + exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D; + exec->ConvolutionParameterf = _mesa_ConvolutionParameterf; + exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv; + exec->ConvolutionParameteri = _mesa_ConvolutionParameteri; + exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv; + exec->CopyColorSubTable = _mesa_CopyColorSubTable; + exec->CopyColorTable = _mesa_CopyColorTable; + exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D; + exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D; + exec->GetColorTable = _mesa_GetColorTable; + exec->GetColorTableEXT = _mesa_GetColorTable; + exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv; + exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv; + exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv; + exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv; + exec->GetConvolutionFilter = _mesa_GetConvolutionFilter; + exec->GetConvolutionFilterEXT = _mesa_GetConvolutionFilter; + exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv; + exec->GetConvolutionParameterfvEXT = _mesa_GetConvolutionParameterfv; + exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv; + exec->GetConvolutionParameterivEXT = _mesa_GetConvolutionParameteriv; + exec->GetHistogram = _mesa_GetHistogram; + exec->GetHistogramEXT = _mesa_GetHistogram; + exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv; + exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv; + exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv; + exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv; + exec->GetMinmax = _mesa_GetMinmax; + exec->GetMinmaxEXT = _mesa_GetMinmax; + exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv; + exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv; + exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv; + exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv; + exec->GetSeparableFilter = _mesa_GetSeparableFilter; + exec->GetSeparableFilterEXT = _mesa_GetSeparableFilter; + exec->Histogram = _mesa_Histogram; + exec->Minmax = _mesa_Minmax; + exec->ResetHistogram = _mesa_ResetHistogram; + exec->ResetMinmax = _mesa_ResetMinmax; + exec->SeparableFilter2D = _mesa_SeparableFilter2D; +#endif + + /* 2. GL_EXT_blend_color */ +#if 0 +/* exec->BlendColorEXT = _mesa_BlendColorEXT; */ +#endif + + /* 3. GL_EXT_polygon_offset */ +#if _HAVE_FULL_GL + exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT; +#endif + + /* 6. GL_EXT_texture3d */ +#if 0 +/* exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D; */ +/* exec->TexImage3DEXT = _mesa_TexImage3DEXT; */ +/* exec->TexSubImage3DEXT = _mesa_TexSubImage3D; */ +#endif + + /* 11. GL_EXT_histogram */ +#if _HAVE_FULL_GL + exec->GetHistogramEXT = _mesa_GetHistogram; + exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv; + exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv; + exec->GetMinmaxEXT = _mesa_GetMinmax; + exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv; + exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv; +#endif + + /* ?. GL_SGIX_pixel_texture */ +#if _HAVE_FULL_GL + exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX; +#endif + + /* 15. GL_SGIS_pixel_texture */ +#if _HAVE_FULL_GL + exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS; + exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS; + exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS; + exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS; + exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS; + exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS; +#endif + + /* 30. GL_EXT_vertex_array */ +#if _HAVE_FULL_GL + exec->ColorPointerEXT = _mesa_ColorPointerEXT; + exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT; + exec->IndexPointerEXT = _mesa_IndexPointerEXT; + exec->NormalPointerEXT = _mesa_NormalPointerEXT; + exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT; + exec->VertexPointerEXT = _mesa_VertexPointerEXT; +#endif + + /* 37. GL_EXT_blend_minmax */ +#if 0 + exec->BlendEquationEXT = _mesa_BlendEquationEXT; +#endif + + /* 54. GL_EXT_point_parameters */ +#if _HAVE_FULL_GL + exec->PointParameterfEXT = _mesa_PointParameterfEXT; + exec->PointParameterfvEXT = _mesa_PointParameterfvEXT; +#endif + + /* 78. GL_EXT_paletted_texture */ +#if 0 + exec->ColorTableEXT = _mesa_ColorTableEXT; + exec->ColorSubTableEXT = _mesa_ColorSubTableEXT; +#endif +#if _HAVE_FULL_GL + exec->GetColorTableEXT = _mesa_GetColorTable; + exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv; + exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv; +#endif + + /* 97. GL_EXT_compiled_vertex_array */ +#if _HAVE_FULL_GL + exec->LockArraysEXT = _mesa_LockArraysEXT; + exec->UnlockArraysEXT = _mesa_UnlockArraysEXT; +#endif + + /* 148. GL_EXT_multi_draw_arrays */ +#if _HAVE_FULL_GL + exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT; + exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT; +#endif + + /* 173. GL_INGR_blend_func_separate */ +#if _HAVE_FULL_GL + exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT; +#endif + + /* 196. GL_MESA_resize_buffers */ +#if _HAVE_FULL_GL + exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA; +#endif + + /* 197. GL_MESA_window_pos */ +#if _HAVE_FULL_GL + exec->WindowPos2dMESA = _mesa_WindowPos2dMESA; + exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA; + exec->WindowPos2fMESA = _mesa_WindowPos2fMESA; + exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA; + exec->WindowPos2iMESA = _mesa_WindowPos2iMESA; + exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA; + exec->WindowPos2sMESA = _mesa_WindowPos2sMESA; + exec->WindowPos2svMESA = _mesa_WindowPos2svMESA; + exec->WindowPos3dMESA = _mesa_WindowPos3dMESA; + exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA; + exec->WindowPos3fMESA = _mesa_WindowPos3fMESA; + exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA; + exec->WindowPos3iMESA = _mesa_WindowPos3iMESA; + exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA; + exec->WindowPos3sMESA = _mesa_WindowPos3sMESA; + exec->WindowPos3svMESA = _mesa_WindowPos3svMESA; + exec->WindowPos4dMESA = _mesa_WindowPos4dMESA; + exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA; + exec->WindowPos4fMESA = _mesa_WindowPos4fMESA; + exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA; + exec->WindowPos4iMESA = _mesa_WindowPos4iMESA; + exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA; + exec->WindowPos4sMESA = _mesa_WindowPos4sMESA; + exec->WindowPos4svMESA = _mesa_WindowPos4svMESA; +#endif + + /* 200. GL_IBM_multimode_draw_arrays */ +#if _HAVE_FULL_GL + exec->MultiModeDrawArraysIBM = _mesa_MultiModeDrawArraysIBM; + exec->MultiModeDrawElementsIBM = _mesa_MultiModeDrawElementsIBM; +#endif + + /* 233. GL_NV_vertex_program */ +#if FEATURE_NV_vertex_program + exec->BindProgramNV = _mesa_BindProgram; + exec->DeleteProgramsNV = _mesa_DeletePrograms; + exec->ExecuteProgramNV = _mesa_ExecuteProgramNV; + exec->GenProgramsNV = _mesa_GenPrograms; + exec->AreProgramsResidentNV = _mesa_AreProgramsResidentNV; + exec->RequestResidentProgramsNV = _mesa_RequestResidentProgramsNV; + exec->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV; + exec->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV; + exec->GetProgramivNV = _mesa_GetProgramivNV; + exec->GetProgramStringNV = _mesa_GetProgramStringNV; + exec->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV; + exec->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV; + exec->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV; + exec->GetVertexAttribivNV = _mesa_GetVertexAttribivNV; + exec->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV; + exec->IsProgramNV = _mesa_IsProgram; + exec->LoadProgramNV = _mesa_LoadProgramNV; + exec->ProgramParameter4dNV = _mesa_ProgramParameter4dNV; + exec->ProgramParameter4dvNV = _mesa_ProgramParameter4dvNV; + exec->ProgramParameter4fNV = _mesa_ProgramParameter4fNV; + exec->ProgramParameter4fvNV = _mesa_ProgramParameter4fvNV; + exec->ProgramParameters4dvNV = _mesa_ProgramParameters4dvNV; + exec->ProgramParameters4fvNV = _mesa_ProgramParameters4fvNV; + exec->TrackMatrixNV = _mesa_TrackMatrixNV; + exec->VertexAttribPointerNV = _mesa_VertexAttribPointerNV; + /* glVertexAttrib*NV functions handled in api_loopback.c */ +#endif + + /* 282. GL_NV_fragment_program */ +#if FEATURE_NV_fragment_program + exec->ProgramNamedParameter4fNV = _mesa_ProgramNamedParameter4fNV; + exec->ProgramNamedParameter4dNV = _mesa_ProgramNamedParameter4dNV; + exec->ProgramNamedParameter4fvNV = _mesa_ProgramNamedParameter4fvNV; + exec->ProgramNamedParameter4dvNV = _mesa_ProgramNamedParameter4dvNV; + exec->GetProgramNamedParameterfvNV = _mesa_GetProgramNamedParameterfvNV; + exec->GetProgramNamedParameterdvNV = _mesa_GetProgramNamedParameterdvNV; + exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB; + exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB; + exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB; + exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB; + exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB; + exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB; +#endif + + /* 262. GL_NV_point_sprite */ +#if _HAVE_FULL_GL + exec->PointParameteriNV = _mesa_PointParameteriNV; + exec->PointParameterivNV = _mesa_PointParameterivNV; +#endif + + /* 268. GL_EXT_stencil_two_side */ +#if _HAVE_FULL_GL + exec->ActiveStencilFaceEXT = _mesa_ActiveStencilFaceEXT; +#endif + + /* ???. GL_EXT_depth_bounds_test */ + exec->DepthBoundsEXT = _mesa_DepthBoundsEXT; + + /* ARB 1. GL_ARB_multitexture */ +#if _HAVE_FULL_GL + exec->ActiveTextureARB = _mesa_ActiveTextureARB; + exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB; +#endif + + /* ARB 3. GL_ARB_transpose_matrix */ +#if _HAVE_FULL_GL + exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB; + exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB; + exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB; + exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB; +#endif + + /* ARB 5. GL_ARB_multisample */ +#if _HAVE_FULL_GL + exec->SampleCoverageARB = _mesa_SampleCoverageARB; +#endif + + /* ARB 12. GL_ARB_texture_compression */ +#if _HAVE_FULL_GL + exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB; + exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB; + exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB; + exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB; + exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB; + exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB; + exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB; +#endif + + /* ARB 14. GL_ARB_point_parameters */ + /* reuse EXT_point_parameters functions */ + + /* ARB 26. GL_ARB_vertex_program */ + /* ARB 27. GL_ARB_fragment_program */ +#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program + /* glVertexAttrib1sARB aliases glVertexAttrib1sNV */ + /* glVertexAttrib1fARB aliases glVertexAttrib1fNV */ + /* glVertexAttrib1dARB aliases glVertexAttrib1dNV */ + /* glVertexAttrib2sARB aliases glVertexAttrib2sNV */ + /* glVertexAttrib2fARB aliases glVertexAttrib2fNV */ + /* glVertexAttrib2dARB aliases glVertexAttrib2dNV */ + /* glVertexAttrib3sARB aliases glVertexAttrib3sNV */ + /* glVertexAttrib3fARB aliases glVertexAttrib3fNV */ + /* glVertexAttrib3dARB aliases glVertexAttrib3dNV */ + /* glVertexAttrib4sARB aliases glVertexAttrib4sNV */ + /* glVertexAttrib4fARB aliases glVertexAttrib4fNV */ + /* glVertexAttrib4dARB aliases glVertexAttrib4dNV */ + /* glVertexAttrib4NubARB aliases glVertexAttrib4NubNV */ + /* glVertexAttrib1svARB aliases glVertexAttrib1svNV */ + /* glVertexAttrib1fvARB aliases glVertexAttrib1fvNV */ + /* glVertexAttrib1dvARB aliases glVertexAttrib1dvNV */ + /* glVertexAttrib2svARB aliases glVertexAttrib2svNV */ + /* glVertexAttrib2fvARB aliases glVertexAttrib2fvNV */ + /* glVertexAttrib2dvARB aliases glVertexAttrib2dvNV */ + /* glVertexAttrib3svARB aliases glVertexAttrib3svNV */ + /* glVertexAttrib3fvARB aliases glVertexAttrib3fvNV */ + /* glVertexAttrib3dvARB aliases glVertexAttrib3dvNV */ + /* glVertexAttrib4svARB aliases glVertexAttrib4svNV */ + /* glVertexAttrib4fvARB aliases glVertexAttrib4fvNV */ + /* glVertexAttrib4dvARB aliases glVertexAttrib4dvNV */ + /* glVertexAttrib4NubvARB aliases glVertexAttrib4NubvNV */ + /* glVertexAttrib4bvARB handled in api_loopback.c */ + /* glVertexAttrib4ivARB handled in api_loopback.c */ + /* glVertexAttrib4ubvARB handled in api_loopback.c */ + /* glVertexAttrib4usvARB handled in api_loopback.c */ + /* glVertexAttrib4uivARB handled in api_loopback.c */ + /* glVertexAttrib4NbvARB handled in api_loopback.c */ + /* glVertexAttrib4NsvARB handled in api_loopback.c */ + /* glVertexAttrib4NivARB handled in api_loopback.c */ + /* glVertexAttrib4NusvARB handled in api_loopback.c */ + /* glVertexAttrib4NuivARB handled in api_loopback.c */ + exec->VertexAttribPointerARB = _mesa_VertexAttribPointerARB; + exec->EnableVertexAttribArrayARB = _mesa_EnableVertexAttribArrayARB; + exec->DisableVertexAttribArrayARB = _mesa_DisableVertexAttribArrayARB; + exec->ProgramStringARB = _mesa_ProgramStringARB; + /* glBindProgramARB aliases glBindProgramNV */ + /* glDeleteProgramsARB aliases glDeleteProgramsNV */ + /* glGenProgramsARB aliases glGenProgramsNV */ + /* glIsProgramARB aliases glIsProgramNV */ + /* glGetVertexAttribdvARB aliases glGetVertexAttribdvNV */ + /* glGetVertexAttribfvARB aliases glGetVertexAttribfvNV */ + /* glGetVertexAttribivARB aliases glGetVertexAttribivNV */ + /* glGetVertexAttribPointervARB aliases glGetVertexAttribPointervNV */ + exec->ProgramEnvParameter4dARB = _mesa_ProgramEnvParameter4dARB; + exec->ProgramEnvParameter4dvARB = _mesa_ProgramEnvParameter4dvARB; + exec->ProgramEnvParameter4fARB = _mesa_ProgramEnvParameter4fARB; + exec->ProgramEnvParameter4fvARB = _mesa_ProgramEnvParameter4fvARB; + exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB; + exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB; + exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB; + exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB; + exec->GetProgramEnvParameterdvARB = _mesa_GetProgramEnvParameterdvARB; + exec->GetProgramEnvParameterfvARB = _mesa_GetProgramEnvParameterfvARB; + exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB; + exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB; + exec->GetProgramivARB = _mesa_GetProgramivARB; + exec->GetProgramStringARB = _mesa_GetProgramStringARB; +#endif + + /* ARB 28. GL_ARB_vertex_buffer_object */ +#if FEATURE_ARB_vertex_buffer_object + exec->BindBufferARB = _mesa_BindBufferARB; + exec->BufferDataARB = _mesa_BufferDataARB; + exec->BufferSubDataARB = _mesa_BufferSubDataARB; + exec->DeleteBuffersARB = _mesa_DeleteBuffersARB; + exec->GenBuffersARB = _mesa_GenBuffersARB; + exec->GetBufferParameterivARB = _mesa_GetBufferParameterivARB; + exec->GetBufferPointervARB = _mesa_GetBufferPointervARB; + exec->GetBufferSubDataARB = _mesa_GetBufferSubDataARB; + exec->IsBufferARB = _mesa_IsBufferARB; + exec->MapBufferARB = _mesa_MapBufferARB; + exec->UnmapBufferARB = _mesa_UnmapBufferARB; +#endif + +#if FEATURE_ARB_occlusion_query + exec->GenQueriesARB = _mesa_GenQueriesARB; + exec->DeleteQueriesARB = _mesa_DeleteQueriesARB; + exec->IsQueryARB = _mesa_IsQueryARB; + exec->BeginQueryARB = _mesa_BeginQueryARB; + exec->EndQueryARB = _mesa_EndQueryARB; + exec->GetQueryivARB = _mesa_GetQueryivARB; + exec->GetQueryObjectivARB = _mesa_GetQueryObjectivARB; + exec->GetQueryObjectuivARB = _mesa_GetQueryObjectuivARB; +#endif +} + +/*@}*/ + + +/**********************************************************************/ +/** \name State update logic */ +/*@{*/ + + +static void +update_separate_specular( GLcontext *ctx ) +{ + if (NEED_SECONDARY_COLOR(ctx)) + ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; + else + ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR; +} + + +/** + * Update state dependent on vertex arrays. + */ +static void +update_arrays( GLcontext *ctx ) +{ + GLuint i, min; + + /* find min of _MaxElement values for all enabled arrays */ + + /* 0 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_POS].Enabled) { + min = ctx->Array.VertexAttrib[VERT_ATTRIB_POS]._MaxElement; + } + else if (ctx->Array.Vertex.Enabled) { + min = ctx->Array.Vertex._MaxElement; + } + else { + /* can't draw anything without vertex positions! */ + min = 0; + } + + /* 1 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT]._MaxElement); + } + /* no conventional vertex weight array */ + + /* 2 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL]._MaxElement); + } + else if (ctx->Array.Normal.Enabled) { + min = MIN2(min, ctx->Array.Normal._MaxElement); + } + + /* 3 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0]._MaxElement); + } + else if (ctx->Array.Color.Enabled) { + min = MIN2(min, ctx->Array.Color._MaxElement); + } + + /* 4 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1]._MaxElement); + } + else if (ctx->Array.SecondaryColor.Enabled) { + min = MIN2(min, ctx->Array.SecondaryColor._MaxElement); + } + + /* 5 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_FOG].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_FOG]._MaxElement); + } + else if (ctx->Array.FogCoord.Enabled) { + min = MIN2(min, ctx->Array.FogCoord._MaxElement); + } + + /* 6 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_SIX].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SIX]._MaxElement); + } + + /* 7 */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN]._MaxElement); + } + + /* 8..15 */ + for (i = VERT_ATTRIB_TEX0; i < VERT_ATTRIB_MAX; i++) { + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[i].Enabled) { + min = MIN2(min, ctx->Array.VertexAttrib[i]._MaxElement); + } + else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits + && ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0].Enabled) { + min = MIN2(min, ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0]._MaxElement); + } + } + + if (ctx->Array.Index.Enabled) { + min = MIN2(min, ctx->Array.Index._MaxElement); + } + + if (ctx->Array.EdgeFlag.Enabled) { + min = MIN2(min, ctx->Array.EdgeFlag._MaxElement); + } + + /* _MaxElement is one past the last legal array element */ + ctx->Array._MaxElement = min; +} + + +/** + * Update derived vertex/fragment program state. + */ +static void +update_program(GLcontext *ctx) +{ + /* For now, just set the _Enabled (really enabled) flags. + * In the future we may have to check other state to be sure we really + * have a runable program or shader. + */ + ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled + && ctx->VertexProgram.Current->Instructions; + ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled + && ctx->FragmentProgram.Current->Instructions; +} + + +/* + * If __GLcontextRec::NewState is non-zero then this function \b must be called + * before rendering any primitive. Basically, function pointers and + * miscellaneous flags are updated to reflect the current state of the state + * machine. + * + * Calls dd_function_table::UpdateState to perform any internal state management + * necessary. + * + * \sa _mesa_update_modelview_project(), _mesa_update_texture(), + * _mesa_update_buffers(), _mesa_update_polygon(), _mesa_update_lighting() and + * _mesa_update_tnl_spaces(). + */ +void _mesa_update_state( GLcontext *ctx ) +{ + GLuint new_state = ctx->NewState; + + if (MESA_VERBOSE & VERBOSE_STATE) + _mesa_print_state("_mesa_update_state", new_state); + + if (new_state & _NEW_PROGRAM) + update_program( ctx ); + + if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION)) + _mesa_update_modelview_project( ctx, new_state ); + + if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX)) + _mesa_update_texture( ctx, new_state ); + + if (new_state & (_NEW_SCISSOR|_NEW_BUFFERS)) + _mesa_update_buffers( ctx ); + + if (new_state & _NEW_POLYGON) + _mesa_update_polygon( ctx ); + + if (new_state & _NEW_LIGHT) + _mesa_update_lighting( ctx ); + + if (new_state & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_pixel( ctx, new_state ); + + if (new_state & _DD_NEW_SEPARATE_SPECULAR) + update_separate_specular( ctx ); + + if (new_state & (_NEW_ARRAY | _NEW_PROGRAM)) + update_arrays( ctx ); + + /* ctx->_NeedEyeCoords is now up to date. + * + * If the truth value of this variable has changed, update for the + * new lighting space and recompute the positions of lights and the + * normal transform. + * + * If the lighting space hasn't changed, may still need to recompute + * light positions & normal transforms for other reasons. + */ + if (new_state & _MESA_NEW_NEED_EYE_COORDS) + _mesa_update_tnl_spaces( ctx, new_state ); + + /* + * Give the driver a chance to act upon the new_state flags. + * The driver might plug in different span functions, for example. + * Also, this is where the driver can invalidate the state of any + * active modules (such as swrast_setup, swrast, tnl, etc). + * + * Set ctx->NewState to zero to avoid recursion if + * Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?) + */ + new_state = ctx->NewState; + ctx->NewState = 0; + ctx->Driver.UpdateState(ctx, new_state); + ctx->Array.NewState = 0; +} + +/*@}*/ diff --git a/src/mesa/main/state.h b/src/mesa/main/state.h new file mode 100644 index 0000000..fe577a8 --- /dev/null +++ b/src/mesa/main/state.h @@ -0,0 +1,46 @@ +/** + * \file state.h + * State management. + */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef STATE_H +#define STATE_H + +#include "mtypes.h" + +extern void +_mesa_init_no_op_table(struct _glapi_table *exec, GLuint tableSize); + +extern void +_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize); + +extern void +_mesa_update_state( GLcontext *ctx ); + + +#endif diff --git a/src/mesa/main/stencil.c b/src/mesa/main/stencil.c new file mode 100644 index 0000000..8c89e8c --- /dev/null +++ b/src/mesa/main/stencil.c @@ -0,0 +1,296 @@ +/** + * \file stencil.c + * Stencil operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "depth.h" +#include "macros.h" +#include "stencil.h" +#include "mtypes.h" +#include "enable.h" + + +/** + * Set the clear value for the stencil buffer. + * + * \param s clear value. + * + * \sa glClearStencil(). + * + * Updates gl_stencil_attrib::Clear. On change + * flushes the vertices and notifies the driver via + * the dd_function_table::ClearStencil callback. + */ +void GLAPIENTRY +_mesa_ClearStencil( GLint s ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Stencil.Clear == (GLstencil) s) + return; + + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.Clear = (GLstencil) s; + + if (ctx->Driver.ClearStencil) { + (*ctx->Driver.ClearStencil)( ctx, s ); + } +} + + +/** + * Set the function and reference value for stencil testing. + * + * \param func test function. + * \param ref reference value. + * \param mask bitmask. + * + * \sa glStencilFunc(). + * + * Verifies the parameters and updates the respective values in + * __GLcontextRec::Stencil. On change flushes the vertices and notifies the + * driver via the dd_function_table::StencilFunc callback. + */ +void GLAPIENTRY +_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + const GLint face = ctx->Stencil.ActiveFace; + GLint maxref; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (func) { + case GL_NEVER: + case GL_LESS: + case GL_LEQUAL: + case GL_GREATER: + case GL_GEQUAL: + case GL_EQUAL: + case GL_NOTEQUAL: + case GL_ALWAYS: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glStencilFunc" ); + return; + } + + maxref = (1 << STENCIL_BITS) - 1; + ref = (GLstencil) CLAMP( ref, 0, maxref ); + + if (ctx->Stencil.Function[face] == func && + ctx->Stencil.ValueMask[face] == (GLstencil) mask && + ctx->Stencil.Ref[face] == ref) + return; + + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.Function[face] = func; + ctx->Stencil.Ref[face] = ref; + ctx->Stencil.ValueMask[face] = (GLstencil) mask; + + if (ctx->Driver.StencilFunc) { + (*ctx->Driver.StencilFunc)( ctx, func, ref, mask ); + } +} + + +/** + * Set the stencil writing mask. + * + * \param mask bit-mask to enable/disable writing of individual bits in the + * stencil planes. + * + * \sa glStencilMask(). + * + * Updates gl_stencil_attrib::WriteMask. On change flushes the vertices and + * notifies the driver via the dd_function_table::StencilMask callback. + */ +void GLAPIENTRY +_mesa_StencilMask( GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + const GLint face = ctx->Stencil.ActiveFace; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Stencil.WriteMask[face] == (GLstencil) mask) + return; + + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.WriteMask[face] = (GLstencil) mask; + + if (ctx->Driver.StencilMask) { + (*ctx->Driver.StencilMask)( ctx, mask ); + } +} + + +/** + * Set the stencil test actions. + * + * \param fail action to take when stencil test fails. + * \param zfail action to take when stencil test passes, but the depth test fails. + * \param zpass action to take when stencil test passes and the depth test + * passes (or depth testing is not enabled). + * + * \sa glStencilOp(). + * + * Verifies the parameters and updates the respective fields in + * __GLcontextRec::Stencil. On change flushes the vertices and notifies the + * driver via the dd_function_table::StencilOp callback. + */ +void GLAPIENTRY +_mesa_StencilOp(GLenum fail, GLenum zfail, GLenum zpass) +{ + GET_CURRENT_CONTEXT(ctx); + const GLint face = ctx->Stencil.ActiveFace; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (fail) { + case GL_KEEP: + case GL_ZERO: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + break; + case GL_INCR_WRAP_EXT: + case GL_DECR_WRAP_EXT: + if (ctx->Extensions.EXT_stencil_wrap) { + break; + } + /* FALL-THROUGH */ + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp"); + return; + } + switch (zfail) { + case GL_KEEP: + case GL_ZERO: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + break; + case GL_INCR_WRAP_EXT: + case GL_DECR_WRAP_EXT: + if (ctx->Extensions.EXT_stencil_wrap) { + break; + } + /* FALL-THROUGH */ + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp"); + return; + } + switch (zpass) { + case GL_KEEP: + case GL_ZERO: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + break; + case GL_INCR_WRAP_EXT: + case GL_DECR_WRAP_EXT: + if (ctx->Extensions.EXT_stencil_wrap) { + break; + } + /* FALL-THROUGH */ + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp"); + return; + } + + if (ctx->Stencil.ZFailFunc[face] == zfail && + ctx->Stencil.ZPassFunc[face] == zpass && + ctx->Stencil.FailFunc[face] == fail) + return; + + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.ZFailFunc[face] = zfail; + ctx->Stencil.ZPassFunc[face] = zpass; + ctx->Stencil.FailFunc[face] = fail; + + if (ctx->Driver.StencilOp) { + (*ctx->Driver.StencilOp)(ctx, fail, zfail, zpass); + } +} + + +#if _HAVE_FULL_GL +/* GL_EXT_stencil_two_side */ +void GLAPIENTRY +_mesa_ActiveStencilFaceEXT(GLenum face) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (face == GL_FRONT || face == GL_BACK) { + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 1; + } + + if (ctx->Driver.ActiveStencilFace) { + (*ctx->Driver.ActiveStencilFace)( ctx, (GLuint) ctx->Stencil.ActiveFace ); + } +} +#endif + + +/** + * Initialize the context stipple state. + * + * \param ctx GL context. + * + * Initializes __GLcontextRec::Stencil attribute group. + */ +void _mesa_init_stencil( GLcontext * ctx ) +{ + + /* Stencil group */ + ctx->Stencil.Enabled = GL_FALSE; + ctx->Stencil.TestTwoSide = GL_FALSE; + ctx->Stencil.ActiveFace = 0; /* 0 = GL_FRONT, 1 = GL_BACK */ + ctx->Stencil.Function[0] = GL_ALWAYS; + ctx->Stencil.Function[1] = GL_ALWAYS; + ctx->Stencil.FailFunc[0] = GL_KEEP; + ctx->Stencil.FailFunc[1] = GL_KEEP; + ctx->Stencil.ZPassFunc[0] = GL_KEEP; + ctx->Stencil.ZPassFunc[1] = GL_KEEP; + ctx->Stencil.ZFailFunc[0] = GL_KEEP; + ctx->Stencil.ZFailFunc[1] = GL_KEEP; + ctx->Stencil.Ref[0] = 0; + ctx->Stencil.Ref[1] = 0; + ctx->Stencil.ValueMask[0] = STENCIL_MAX; + ctx->Stencil.ValueMask[1] = STENCIL_MAX; + ctx->Stencil.WriteMask[0] = STENCIL_MAX; + ctx->Stencil.WriteMask[1] = STENCIL_MAX; + ctx->Stencil.Clear = 0; +} diff --git a/src/mesa/main/stencil.h b/src/mesa/main/stencil.h new file mode 100644 index 0000000..5620d14 --- /dev/null +++ b/src/mesa/main/stencil.h @@ -0,0 +1,61 @@ +/** + * \file stencil.h + * Stencil operations. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef STENCIL_H +#define STENCIL_H + + +#include "mtypes.h" + + +extern void GLAPIENTRY +_mesa_ClearStencil( GLint s ); + + +extern void GLAPIENTRY +_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask ); + + +extern void GLAPIENTRY +_mesa_StencilMask( GLuint mask ); + + +extern void GLAPIENTRY +_mesa_StencilOp( GLenum fail, GLenum zfail, GLenum zpass ); + + +extern void GLAPIENTRY +_mesa_ActiveStencilFaceEXT(GLenum face); + + +extern void +_mesa_init_stencil( GLcontext * ctx ); + +#endif diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c new file mode 100644 index 0000000..396f14a --- /dev/null +++ b/src/mesa/main/texcompress.c @@ -0,0 +1,254 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texcompress.c + * Helper functions for texture compression. + */ + + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "context.h" +#include "image.h" +#include "texcompress.h" +#include "texformat.h" +#include "texstore.h" + +/** + * Get the list of supported internal compression formats. + * + * \param ctx GL context. + * \param formats the resulting format list (may be NULL). + * + * \return number of formats. + */ +GLuint +_mesa_get_compressed_formats( GLcontext *ctx, GLint *formats ) +{ + GLuint n = 0; + if (ctx->Extensions.ARB_texture_compression) { + if (ctx->Extensions.TDFX_texture_compression_FXT1) { + if (formats) { + formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX; + formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX; + } + else { + n += 2; + } + } + if (ctx->Extensions.EXT_texture_compression_s3tc) { + if (formats) { + formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; + /* Skip this one because it has a restriction (all transparent + * pixels become black). See the texture compressions spec for + * a detailed explanation. This is what NVIDIA does. + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; + */ + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; + } + else { + n += 3; + } + } + if (ctx->Extensions.S3_s3tc) { + if (formats) { + formats[n++] = GL_RGB_S3TC; + formats[n++] = GL_RGB4_S3TC; + formats[n++] = GL_RGBA_S3TC; + formats[n++] = GL_RGBA4_S3TC; + } + else { + n += 4; + } + } + } + return n; +} + + + +/** + * Return number of bytes needed to store a texture of the given size + * using the specified compressed format. + * This is called via the ctx->Driver.CompressedTextureSize function, + * unless a device driver overrides it. + * + * \param width texture width in texels. + * \param height texture height in texels. + * \param depth texture depth in texels. + * \param format - one of the specific compressed texture formats + * + * \return size in bytes, or zero if bad format + */ +GLuint +_mesa_compressed_texture_size( GLcontext *ctx, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format ) +{ + GLuint size; + + ASSERT(depth == 1); + (void) depth; + + switch (format) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + /* round up width to next multiple of 8, height to next multiple of 4 */ + width = (width + 7) & ~7; + height = (height + 3) & ~3; + /* 16 bytes per 8x4 tile of RGB[A] texels */ + size = width * height / 2; + /* Textures smaller than 8x4 will effectively be made into 8x4 and + * take 16 bytes. + */ + if (size < 16) + size = 16; + return size; + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + /* round up width, height to next multiple of 4 */ + width = (width + 3) & ~3; + height = (height + 3) & ~3; + /* 8 bytes per 4x4 tile of RGB[A] texels */ + size = width * height / 2; + /* Textures smaller than 4x4 will effectively be made into 4x4 and + * take 8 bytes. + */ + if (size < 8) + size = 8; + return size; + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + /* round up width, height to next multiple of 4 */ + width = (width + 3) & ~3; + height = (height + 3) & ~3; + /* 16 bytes per 4x4 tile of RGBA texels */ + size = width * height; /* simple! */ + /* Textures smaller than 4x4 will effectively be made into 4x4 and + * take 16 bytes. + */ + if (size < 16) + size = 16; + return size; + default: + _mesa_problem(ctx, "bad texformat in compressed_texture_size"); + return 0; + } +} + + +/* + * Compute the bytes per row in a compressed texture image. + * We use this for computing the destination address for sub-texture updates. + * \param format one of the specific texture compression formats + * \param width image width in pixels + * \return stride, in bytes, between rows for compressed image + */ +GLint +_mesa_compressed_row_stride(GLenum format, GLsizei width) +{ + GLint stride; + + switch (format) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + stride = ((width + 7) / 8) * 16; /* 16 bytes per 8x4 tile */ + break; + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + stride = ((width + 3) / 4) * 8; /* 8 bytes per 4x4 tile */ + break; + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + stride = ((width + 3) / 4) * 16; /* 16 bytes per 4x4 tile */ + break; + default: + return 0; + } + + return stride; +} + + +/* + * Return the address of the pixel at (col, row, img) in a + * compressed texture image. + * \param col, row, img - image position (3D) + * \param format - compressed image format + * \param width - image width + * \param image - the image address + * \return address of pixel at (row, col) + */ +GLubyte * +_mesa_compressed_image_address(GLint col, GLint row, GLint img, + GLenum format, + GLsizei width, const GLubyte *image) +{ + GLubyte *addr; + + (void) img; + + /* We try to spot a "complete" subtexture "above" ROW, COL; + * this texture is given by appropriate rounding of WIDTH x ROW. + * Then we just add the amount left (usually on the left). + * + * Example for X*Y microtiles (Z bytes each) + * offset = Z * (((width + X - 1) / X) * (row / Y) + col / X); + */ + + switch (format) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + addr = (GLubyte *) image + 16 * (((width + 7) / 8) * (row / 4) + col / 8); + break; + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + addr = (GLubyte *) image + 8 * (((width + 3) / 4) * (row / 4) + col / 4); + break; + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + addr = (GLubyte *) image + 16 * (((width + 3) / 4) * (row / 4) + col / 4); + break; + default: + return 0; + } + + return addr; +} diff --git a/src/mesa/main/texcompress.h b/src/mesa/main/texcompress.h new file mode 100644 index 0000000..5007414 --- /dev/null +++ b/src/mesa/main/texcompress.h @@ -0,0 +1,65 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef TEXCOMPRESS_H +#define TEXCOMPRESS_H + +#include "mtypes.h" + +#if _HAVE_FULL_GL +extern GLuint +_mesa_get_compressed_formats( GLcontext *ctx, GLint *formats ); + +extern GLuint +_mesa_compressed_texture_size( GLcontext *ctx, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format ); + +extern GLint +_mesa_compressed_row_stride(GLenum format, GLsizei width); + + +extern GLubyte * +_mesa_compressed_image_address(GLint col, GLint row, GLint img, + GLenum format, + GLsizei width, const GLubyte *image); + + +extern void +_mesa_init_texture_s3tc( GLcontext *ctx ); + +extern void +_mesa_init_texture_fxt1( GLcontext *ctx ); + + + +#else +#define _mesa_get_compressed_formats( c, f ) 0 +#define _mesa_compressed_texture_size( c, w, h, d, f ) 0 +#define _mesa_compressed_row_stride( f, w) 0 +#define _mesa_compressed_image_address(c, r, i, f, w, i2 ) 0 +#define _mesa_compress_teximage( c, w, h, sF, s, sRS, dF, d, drs ) ((void)0) +#endif + +#endif /* TEXCOMPRESS_H */ diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c new file mode 100644 index 0000000..c33a003 --- /dev/null +++ b/src/mesa/main/texcompress_fxt1.c @@ -0,0 +1,1777 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texcompress_fxt1.c + * GL_EXT_texture_compression_fxt1 support. + */ + + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "context.h" +#include "convolve.h" +#include "image.h" +#include "texcompress.h" +#include "texformat.h" +#include "texstore.h" + + +int +fxt1_encode (GLcontext *ctx, + unsigned int width, unsigned int height, + int srcFormat, + const void *source, int srcRowStride, + void *dest, int destRowStride); +void +fxt1_decode_1 (const void *texture, int width, + int i, int j, unsigned char *rgba); + + +/** + * Called during context initialization. + */ +void +_mesa_init_texture_fxt1( GLcontext *ctx ) +{ + (void) ctx; +} + + +/** + * Called via TexFormat->StoreImage to store an RGB_FXT1 texture. + */ +static GLboolean +texstore_rgb_fxt1(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgb_fxt1); + ASSERT(dstXoffset % 8 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGB || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGB/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 3 * srcWidth; + srcFormat = GL_RGB; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGB_FXT1_3DFX, + texWidth, (GLubyte *) dstAddr); + + fxt1_encode(ctx, srcWidth, srcHeight, srcFormat, pixels, srcRowStride, + dst, dstRowStride); + + if (tempImage) + _mesa_free((void*) tempImage); + + return GL_TRUE; +} + + +/** + * Called via TexFormat->StoreImage to store an RGBA_FXT1 texture. + */ +static GLboolean +texstore_rgba_fxt1(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgba_fxt1); + ASSERT(dstXoffset % 8 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGBA || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGBA/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 4 * srcWidth; + srcFormat = GL_RGBA; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGBA_FXT1_3DFX, + texWidth, (GLubyte *) dstAddr); + + fxt1_encode(ctx, srcWidth, srcHeight, srcFormat, pixels, srcRowStride, + dst, dstRowStride); + + if (tempImage) + _mesa_free((void*) tempImage); + + return GL_TRUE; +} + + +static void +fetch_texel_2d_rgba_fxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) k; + fxt1_decode_1(texImage->Data, texImage->Width, i, j, texel); +} + + +static void +fetch_texel_2d_f_rgba_fxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + (void) k; + fxt1_decode_1(texImage->Data, texImage->Width, i, j, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +static void +fetch_texel_2d_rgb_fxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) k; + fxt1_decode_1(texImage->Data, texImage->Width, i, j, texel); + texel[ACOMP] = 255; +} + + +static void +fetch_texel_2d_f_rgb_fxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + (void) k; + fxt1_decode_1(texImage->Data, texImage->Width, i, j, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = 1.0; +} + + + +const struct gl_texture_format _mesa_texformat_rgb_fxt1 = { + MESA_FORMAT_RGB_FXT1, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /*approx*/ /* RedBits */ + 4, /*approx*/ /* GreenBits */ + 4, /*approx*/ /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgb_fxt1, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgb_fxt1, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgb_fxt1, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_fxt1 = { + MESA_FORMAT_RGBA_FXT1, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /*approx*/ /* RedBits */ + 4, /*approx*/ /* GreenBits */ + 4, /*approx*/ /* BlueBits */ + 1, /*approx*/ /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgba_fxt1, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgba_fxt1, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_fxt1, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; + + +/***************************************************************************\ + * FXT1 encoder + * + * The encoder was built by reversing the decoder, + * and is vaguely based on Texus2 by 3dfx. Note that this code + * is merely a proof of concept, since it is higly UNoptimized; + * moreover, it is sub-optimal due to inital conditions passed + * to Lloyd's algorithm (the interpolation modes are worse). +\***************************************************************************/ + + +#define MAX_COMP 4 /* ever needed maximum number of components in texel */ +#define MAX_VECT 4 /* ever needed maximum number of base vectors to find */ +#define N_TEXELS 32 /* number of texels in a block (always 32) */ +#define LL_N_REP 50 /* number of iterations in lloyd's vq */ +#define LL_RMS_D 10 /* fault tolerance (maximum delta) */ +#define LL_RMS_E 255 /* fault tolerance (maximum error) */ +#define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */ +#define ISTBLACK(v) (*((unsigned long *)(v)) == 0) + + +#ifdef __GNUC__ + +#define FX64_NATIVE 1 + +typedef unsigned long long Fx64; + +#define FX64_MOV32(a, b) a = b +#define FX64_OR32(a, b) a |= b +#define FX64_SHL(a, c) a <<= c + +#else /* !__GNUC__ */ + +#define FX64_NATIVE 0 + +typedef struct { + unsigned long lo, hi; +} Fx64; + +#define FX64_MOV32(a, b) a.lo = b +#define FX64_OR32(a, b) a.lo |= b + +#define FX64_SHL(a, c) \ + do { \ + if ((c) >= 32) { \ + a.hi = a.lo << ((c) - 32); \ + a.lo = 0; \ + } else { \ + a.hi = (a.hi << (c)) | (a.lo >> (32 - (c))); \ + a.lo <<= (c); \ + } \ + } while (0) + +#endif /* !__GNUC__ */ + + +static int +fxt1_bestcol (float vec[][MAX_COMP], int nv, + unsigned char input[MAX_COMP], int nc) +{ + int i, j, best = -1; + float err = 1e9; /* big enough */ + + for (j = 0; j < nv; j++) { + float e = 0; + for (i = 0; i < nc; i++) { + e += (vec[j][i] - input[i]) * (vec[j][i] - input[i]); + } + if (e < err) { + err = e; + best = j; + } + } + + return best; +} + + +static int +fxt1_worst (float vec[MAX_COMP], + unsigned char input[N_TEXELS][MAX_COMP], int nc, int n) +{ + int i, k, worst = -1; + float err = -1; /* small enough */ + + for (k = 0; k < n; k++) { + float e = 0; + for (i = 0; i < nc; i++) { + e += (vec[i] - input[k][i]) * (vec[i] - input[k][i]); + } + if (e > err) { + err = e; + worst = k; + } + } + + return worst; +} + + +static int +fxt1_variance (double variance[MAX_COMP], + unsigned char input[N_TEXELS][MAX_COMP], int nc, int n) +{ + int i, k, best = 0; + int sx, sx2; + double var, maxvar = -1; /* small enough */ + double teenth = 1.0 / n; + + for (i = 0; i < nc; i++) { + sx = sx2 = 0; + for (k = 0; k < n; k++) { + int t = input[k][i]; + sx += t; + sx2 += t * t; + } + var = sx2 * teenth - sx * sx * teenth * teenth; + if (maxvar < var) { + maxvar = var; + best = i; + } + if (variance) { + variance[i] = var; + } + } + + return best; +} + + +static int +fxt1_choose (float vec[][MAX_COMP], int nv, + unsigned char input[N_TEXELS][MAX_COMP], int nc, int n) +{ +#if 0 + /* Choose colors from a grid. + */ + int i, j; + + for (j = 0; j < nv; j++) { + int m = j * (n - 1) / (nv - 1); + for (i = 0; i < nc; i++) { + vec[j][i] = input[m][i]; + } + } +#else + /* Our solution here is to find the darkest and brightest colors in + * the 8x4 tile and use those as the two representative colors. + * There are probably better algorithms to use (histogram-based). + */ + int i, j, k; + int minSum = 1000; /* big enough */ + int maxSum = -1; /* small enough */ + int minCol = 0; /* phoudoin: silent compiler! */ + int maxCol = 0; /* phoudoin: silent compiler! */ + + struct { + int flag; + int key; + int freq; + int idx; + } hist[N_TEXELS]; + int lenh = 0; + + memset(hist, 0, sizeof(hist)); + + for (k = 0; k < n; k++) { + int l; + int key = 0; + int sum = 0; + for (i = 0; i < nc; i++) { + key <<= 8; + key |= input[k][i]; + sum += input[k][i]; + } + for (l = 0; l < n; l++) { + if (!hist[l].flag) { + /* alloc new slot */ + hist[l].flag = !0; + hist[l].key = key; + hist[l].freq = 1; + hist[l].idx = k; + lenh = l + 1; + break; + } else if (hist[l].key == key) { + hist[l].freq++; + break; + } + } + if (minSum > sum) { + minSum = sum; + minCol = k; + } + if (maxSum < sum) { + maxSum = sum; + maxCol = k; + } + } + + if (lenh <= nv) { + for (j = 0; j < lenh; j++) { + for (i = 0; i < nc; i++) { + vec[j][i] = (float)input[hist[j].idx][i]; + } + } + for (; j < nv; j++) { + for (i = 0; i < nc; i++) { + vec[j][i] = vec[0][i]; + } + } + return 0; + } + + for (j = 0; j < nv; j++) { + for (i = 0; i < nc; i++) { + vec[j][i] = ((nv - 1 - j) * input[minCol][i] + j * input[maxCol][i] + (nv - 1) / 2) / (nv - 1); + } + } +#endif + + return !0; +} + + +static int +fxt1_lloyd (float vec[][MAX_COMP], int nv, + unsigned char input[N_TEXELS][MAX_COMP], int nc, int n) +{ + /* Use the generalized lloyd's algorithm for VQ: + * find 4 color vectors. + * + * for each sample color + * sort to nearest vector. + * + * replace each vector with the centroid of it's matching colors. + * + * repeat until RMS doesn't improve. + * + * if a color vector has no samples, or becomes the same as another + * vector, replace it with the color which is farthest from a sample. + * + * vec[][MAX_COMP] initial vectors and resulting colors + * nv number of resulting colors required + * input[N_TEXELS][MAX_COMP] input texels + * nc number of components in input / vec + * n number of input samples + */ + + int sum[MAX_VECT][MAX_COMP]; /* used to accumulate closest texels */ + int cnt[MAX_VECT]; /* how many times a certain vector was chosen */ + float error, lasterror = 1e9; + + int i, j, k, rep; + + /* the quantizer */ + for (rep = 0; rep < LL_N_REP; rep++) { + /* reset sums & counters */ + for (j = 0; j < nv; j++) { + for (i = 0; i < nc; i++) { + sum[j][i] = 0; + } + cnt[j] = 0; + } + error = 0; + + /* scan whole block */ + for (k = 0; k < n; k++) { +#if 1 + int best = -1; + float err = 1e9; /* big enough */ + /* determine best vector */ + for (j = 0; j < nv; j++) { + float e = (vec[j][0] - input[k][0]) * (vec[j][0] - input[k][0]) + + (vec[j][1] - input[k][1]) * (vec[j][1] - input[k][1]) + + (vec[j][2] - input[k][2]) * (vec[j][2] - input[k][2]); + if (nc == 4) { + e += (vec[j][3] - input[k][3]) * (vec[j][3] - input[k][3]); + } + if (e < err) { + err = e; + best = j; + } + } +#else + int best = fxt1_bestcol(vec, n_vect, input[k], n_comp, &err); +#endif + /* add in closest color */ + for (i = 0; i < nc; i++) { + sum[best][i] += input[k][i]; + } + /* mark this vector as used */ + cnt[best]++; + /* accumulate error */ + error += err; + } + + /* check RMS */ + if ((error < LL_RMS_E) || + ((error < lasterror) && ((lasterror - error) < LL_RMS_D))) { + return !0; /* good match */ + } + lasterror = error; + + /* move each vector to the barycenter of its closest colors */ + for (j = 0; j < nv; j++) { + if (cnt[j]) { + float div = 1.0 / cnt[j]; + for (i = 0; i < nc; i++) { + vec[j][i] = div * sum[j][i]; + } + } else { + /* this vec has no samples or is identical with a previous vec */ + int worst = fxt1_worst(vec[j], input, nc, n); + for (i = 0; i < nc; i++) { + vec[j][i] = input[worst][i]; + } + } + } + } + + return 0; /* could not converge fast enough */ +} + + +static void +fxt1_quantize_CHROMA (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP]) +{ + const int n_vect = 4; /* 4 base vectors to find */ + const int n_comp = 3; /* 3 components: R, G, B */ + float vec[MAX_VECT][MAX_COMP]; + int i, j, k; + Fx64 hi; /* high quadword */ + unsigned long lohi, lolo; /* low quadword: hi dword, lo dword */ + + if (fxt1_choose(vec, n_vect, input, n_comp, N_TEXELS) != 0) { + fxt1_lloyd(vec, n_vect, input, n_comp, N_TEXELS); + } + + FX64_MOV32(hi, 4); /* cc-chroma = "010" + unused bit */ + for (j = n_vect - 1; j >= 0; j--) { + for (i = 0; i < n_comp; i++) { + /* add in colors */ + FX64_SHL(hi, 5); + FX64_OR32(hi, (unsigned int)(vec[j][i] / 8.0)); + } + } + ((Fx64 *)cc)[1] = hi; + + lohi = lolo = 0; + /* right microtile */ + for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) { + lohi <<= 2; + lohi |= fxt1_bestcol(vec, n_vect, input[k], n_comp); + } + /* left microtile */ + for (; k >= 0; k--) { + lolo <<= 2; + lolo |= fxt1_bestcol(vec, n_vect, input[k], n_comp); + } + cc[1] = lohi; + cc[0] = lolo; +} + + +static void +fxt1_quantize_ALPHA0 (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP], + unsigned char reord[N_TEXELS][MAX_COMP], int n) +{ + const int n_vect = 3; /* 3 base vectors to find */ + const int n_comp = 4; /* 4 components: R, G, B, A */ + float vec[MAX_VECT][MAX_COMP]; + int i, j, k; + Fx64 hi; /* high quadword */ + unsigned long lohi, lolo; /* low quadword: hi dword, lo dword */ + + /* the last vector indicates zero */ + for (i = 0; i < n_comp; i++) { + vec[n_vect][i] = 0; + } + + /* the first n texels in reord are guaranteed to be non-zero */ + if (fxt1_choose(vec, n_vect, reord, n_comp, n) != 0) { + fxt1_lloyd(vec, n_vect, reord, n_comp, n); + } + + FX64_MOV32(hi, 6); /* alpha = "011" + lerp = 0 */ + for (j = n_vect - 1; j >= 0; j--) { + /* add in alphas */ + FX64_SHL(hi, 5); + FX64_OR32(hi, (unsigned int)(vec[j][ACOMP] / 8.0)); + } + for (j = n_vect - 1; j >= 0; j--) { + for (i = 0; i < n_comp - 1; i++) { + /* add in colors */ + FX64_SHL(hi, 5); + FX64_OR32(hi, (unsigned int)(vec[j][i] / 8.0)); + } + } + ((Fx64 *)cc)[1] = hi; + + lohi = lolo = 0; + /* right microtile */ + for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) { + lohi <<= 2; + lohi |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp); + } + /* left microtile */ + for (; k >= 0; k--) { + lolo <<= 2; + lolo |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp); + } + cc[1] = lohi; + cc[0] = lolo; +} + + +static void +fxt1_quantize_ALPHA1 (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP]) +{ + const int n_vect = 3; /* highest vector number in each microtile */ + const int n_comp = 4; /* 4 components: R, G, B, A */ + float vec[1 + 1 + 1][MAX_COMP]; /* 1.5 extrema for each sub-block */ + float b, iv[MAX_COMP]; /* interpolation vector */ + int i, j, k; + Fx64 hi; /* high quadword */ + unsigned long lohi, lolo; /* low quadword: hi dword, lo dword */ + + int minSum; + int maxSum; + int minColL = 0, maxColL = 0; + int minColR = 0, maxColR = 0; + int sumL = 0, sumR = 0; + + /* Our solution here is to find the darkest and brightest colors in + * the 4x4 tile and use those as the two representative colors. + * There are probably better algorithms to use (histogram-based). + */ + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (k = 0; k < N_TEXELS / 2; k++) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColL = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColL = k; + } + sumL += sum; + } + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (; k < N_TEXELS; k++) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColR = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColR = k; + } + sumR += sum; + } + + /* choose the common vector (yuck!) */ +{ + int j1, j2; + int v1 = 0, v2 = 0; + float err = 1e9; /* big enough */ + float tv[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */ + for (i = 0; i < n_comp; i++) { + tv[0][i] = input[minColL][i]; + tv[1][i] = input[maxColL][i]; + tv[2][i] = input[minColR][i]; + tv[3][i] = input[maxColR][i]; + } + for (j1 = 0; j1 < 2; j1++) { + for (j2 = 2; j2 < 4; j2++) { + float e = 0; + for (i = 0; i < n_comp; i++) { + e += (tv[j1][i] - tv[j2][i]) * (tv[j1][i] - tv[j2][i]); + } + if (e < err) { + err = e; + v1 = j1; + v2 = j2; + } + } + } + for (i = 0; i < n_comp; i++) { + vec[0][i] = tv[1 - v1][i]; + vec[1][i] = (tv[v1][i] * sumL + tv[v2][i] * sumR) / (sumL + sumR); + vec[2][i] = tv[5 - v2][i]; + } +} + + /* left microtile */ + cc[0] = 0; + if (minColL != maxColL) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[1][i] - vec[0][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[0][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lolo = 0; + for (k = N_TEXELS / 2 - 1; k >= 0; k--) { + int texel; + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + /* add in texel */ + lolo <<= 2; + lolo |= texel; + } + + cc[0] = lolo; + } + + /* right microtile */ + cc[1] = 0; + if (minColR != maxColR) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[1][i] - vec[2][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[2][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lohi = 0; + for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) { + int texel; + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + /* add in texel */ + lohi <<= 2; + lohi |= texel; + } + + cc[1] = lohi; + } + + FX64_MOV32(hi, 7); /* alpha = "011" + lerp = 1 */ + for (j = n_vect - 1; j >= 0; j--) { + /* add in alphas */ + FX64_SHL(hi, 5); + FX64_OR32(hi, (unsigned int)(vec[j][ACOMP] / 8.0)); + } + for (j = n_vect - 1; j >= 0; j--) { + for (i = 0; i < n_comp - 1; i++) { + /* add in colors */ + FX64_SHL(hi, 5); + FX64_OR32(hi, (unsigned int)(vec[j][i] / 8.0)); + } + } + ((Fx64 *)cc)[1] = hi; +} + + +static void +fxt1_quantize_HI (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP], + unsigned char reord[N_TEXELS][MAX_COMP], int n) +{ + const int n_vect = 6; /* highest vector number */ + const int n_comp = 3; /* 3 components: R, G, B */ + float b = 0.0; /* phoudoin: silent compiler! */ + float iv[MAX_COMP]; /* interpolation vector */ + int i, k; + unsigned long hihi; /* high quadword: hi dword */ + + int minSum = 1000; /* big enough */ + int maxSum = -1; /* small enough */ + int minCol = 0; /* phoudoin: silent compiler! */ + int maxCol = 0; /* phoudoin: silent compiler! */ + + /* Our solution here is to find the darkest and brightest colors in + * the 8x4 tile and use those as the two representative colors. + * There are probably better algorithms to use (histogram-based). + */ + for (k = 0; k < n; k++) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += reord[k][i]; + } + if (minSum > sum) { + minSum = sum; + minCol = k; + } + if (maxSum < sum) { + maxSum = sum; + maxCol = k; + } + } + + hihi = 0; /* cc-hi = "00" */ + for (i = 0; i < n_comp; i++) { + /* add in colors */ + hihi <<= 5; + hihi |= reord[maxCol][i] >> 3; + } + for (i = 0; i < n_comp; i++) { + /* add in colors */ + hihi <<= 5; + hihi |= reord[minCol][i] >> 3; + } + cc[3] = hihi; + cc[0] = cc[1] = cc[2] = 0; + + /* compute interpolation vector */ + if (minCol != maxCol) { + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = reord[maxCol][i] - reord[minCol][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * reord[minCol][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + } + + /* add in texels */ + for (k = N_TEXELS - 1; k >= 0; k--) { + int t = k * 3; + unsigned long *kk = (unsigned long *)((unsigned long)cc + t / 8); + int texel = n_vect + 1; /* transparent black */ + + if (!ISTBLACK(input[k])) { + if (minCol != maxCol) { + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + /* add in texel */ + kk[0] |= texel << (t & 7); + } + } else { + /* add in texel */ + kk[0] |= texel << (t & 7); + } + } +} + + +static void +fxt1_quantize_MIXED1 (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP]) +{ + const int n_vect = 2; /* highest vector number in each microtile */ + const int n_comp = 3; /* 3 components: R, G, B */ + unsigned char vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */ + float b, iv[MAX_COMP]; /* interpolation vector */ + int i, j, k; + Fx64 hi; /* high quadword */ + unsigned long lohi, lolo; /* low quadword: hi dword, lo dword */ + + int minSum; + int maxSum; + int minColL = 0, maxColL = -1; + int minColR = 0, maxColR = -1; + + /* Our solution here is to find the darkest and brightest colors in + * the 4x4 tile and use those as the two representative colors. + * There are probably better algorithms to use (histogram-based). + */ + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (k = 0; k < N_TEXELS / 2; k++) { + if (!ISTBLACK(input[k])) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColL = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColL = k; + } + } + } + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (; k < N_TEXELS; k++) { + if (!ISTBLACK(input[k])) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColR = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColR = k; + } + } + } + + /* left microtile */ + if (maxColL == -1) { + /* all transparent black */ + cc[0] = -1; + for (i = 0; i < n_comp; i++) { + vec[0][i] = 0; + vec[1][i] = 0; + } + } else { + cc[0] = 0; + for (i = 0; i < n_comp; i++) { + vec[0][i] = input[minColL][i]; + vec[1][i] = input[maxColL][i]; + } + if (minColL != maxColL) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[1][i] - vec[0][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[0][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lolo = 0; + for (k = N_TEXELS / 2 - 1; k >= 0; k--) { + int texel = n_vect + 1; /* transparent black */ + if (!ISTBLACK(input[k])) { + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + } + /* add in texel */ + lolo <<= 2; + lolo |= texel; + } + cc[0] = lolo; + } + } + + /* right microtile */ + if (maxColR == -1) { + /* all transparent black */ + cc[1] = -1; + for (i = 0; i < n_comp; i++) { + vec[2][i] = 0; + vec[3][i] = 0; + } + } else { + cc[1] = 0; + for (i = 0; i < n_comp; i++) { + vec[2][i] = input[minColR][i]; + vec[3][i] = input[maxColR][i]; + } + if (minColR != maxColR) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[3][i] - vec[2][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[2][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lohi = 0; + for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) { + int texel = n_vect + 1; /* transparent black */ + if (!ISTBLACK(input[k])) { + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + } + /* add in texel */ + lohi <<= 2; + lohi |= texel; + } + cc[1] = lohi; + } + } + + FX64_MOV32(hi, 9 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */ + for (j = 2 * 2 - 1; j >= 0; j--) { + for (i = 0; i < n_comp; i++) { + /* add in colors */ + FX64_SHL(hi, 5); + FX64_OR32(hi, vec[j][i] >> 3); + } + } + ((Fx64 *)cc)[1] = hi; +} + + +static void +fxt1_quantize_MIXED0 (unsigned long *cc, + unsigned char input[N_TEXELS][MAX_COMP]) +{ + const int n_vect = 3; /* highest vector number in each microtile */ + const int n_comp = 3; /* 3 components: R, G, B */ + unsigned char vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */ + float b, iv[MAX_COMP]; /* interpolation vector */ + int i, j, k; + Fx64 hi; /* high quadword */ + unsigned long lohi, lolo; /* low quadword: hi dword, lo dword */ + + int minColL = 0, maxColL = 0; + int minColR = 0, maxColR = 0; +#if 0 + int minSum; + int maxSum; + + /* Our solution here is to find the darkest and brightest colors in + * the 4x4 tile and use those as the two representative colors. + * There are probably better algorithms to use (histogram-based). + */ + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (k = 0; k < N_TEXELS / 2; k++) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColL = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColL = k; + } + } + minSum = 1000; /* big enough */ + maxSum = -1; /* small enough */ + for (; k < N_TEXELS; k++) { + int sum = 0; + for (i = 0; i < n_comp; i++) { + sum += input[k][i]; + } + if (minSum > sum) { + minSum = sum; + minColR = k; + } + if (maxSum < sum) { + maxSum = sum; + maxColR = k; + } + } +#else + int minVal; + int maxVal; + int maxVarL = fxt1_variance(NULL, input, n_comp, N_TEXELS / 2); + int maxVarR = fxt1_variance(NULL, &input[N_TEXELS / 2], n_comp, N_TEXELS / 2); + + /* Scan the channel with max variance for lo & hi + * and use those as the two representative colors. + */ + minVal = 1000; /* big enough */ + maxVal = -1; /* small enough */ + for (k = 0; k < N_TEXELS / 2; k++) { + int t = input[k][maxVarL]; + if (minVal > t) { + minVal = t; + minColL = k; + } + if (maxVal < t) { + maxVal = t; + maxColL = k; + } + } + minVal = 1000; /* big enough */ + maxVal = -1; /* small enough */ + for (; k < N_TEXELS; k++) { + int t = input[k][maxVarR]; + if (minVal > t) { + minVal = t; + minColR = k; + } + if (maxVal < t) { + maxVal = t; + maxColR = k; + } + } +#endif + + /* left microtile */ + cc[0] = 0; + for (i = 0; i < n_comp; i++) { + vec[0][i] = input[minColL][i]; + vec[1][i] = input[maxColL][i]; + } + if (minColL != maxColL) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[1][i] - vec[0][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[0][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lolo = 0; + for (k = N_TEXELS / 2 - 1; k >= 0; k--) { + int texel; + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + /* add in texel */ + lolo <<= 2; + lolo |= texel; + } + + /* funky encoding for LSB of green */ + if ((int)((lolo >> 1) & 1) != (((vec[1][GCOMP] ^ vec[0][GCOMP]) >> 2) & 1)) { + for (i = 0; i < n_comp; i++) { + vec[1][i] = input[minColL][i]; + vec[0][i] = input[maxColL][i]; + } + lolo = ~lolo; + } + + cc[0] = lolo; + } + + /* right microtile */ + cc[1] = 0; + for (i = 0; i < n_comp; i++) { + vec[2][i] = input[minColR][i]; + vec[3][i] = input[maxColR][i]; + } + if (minColR != maxColR) { + /* compute interpolation vector */ + float d2 = 0; + float rd2; + + for (i = 0; i < n_comp; i++) { + iv[i] = vec[3][i] - vec[2][i]; + d2 += iv[i] * iv[i]; + } + rd2 = (float)n_vect / d2; + b = 0; + for (i = 0; i < n_comp; i++) { + b -= iv[i] * vec[2][i]; + iv[i] *= rd2; + } + b = b * rd2 + 0.5f; + + /* add in texels */ + lohi = 0; + for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) { + int texel; + /* interpolate color */ + float dot = 0; + for (i = 0; i < n_comp; i++) { + dot += input[k][i] * iv[i]; + } + texel = (int)(dot + b); + if (texel < 0) { + texel = 0; + } else if (texel > n_vect) { + texel = n_vect; + } + /* add in texel */ + lohi <<= 2; + lohi |= texel; + } + + /* funky encoding for LSB of green */ + if ((int)((lohi >> 1) & 1) != (((vec[3][GCOMP] ^ vec[2][GCOMP]) >> 2) & 1)) { + for (i = 0; i < n_comp; i++) { + vec[3][i] = input[minColR][i]; + vec[2][i] = input[maxColR][i]; + } + lohi = ~lohi; + } + + cc[1] = lohi; + } + + FX64_MOV32(hi, 8 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */ + for (j = 2 * 2 - 1; j >= 0; j--) { + for (i = 0; i < n_comp; i++) { + /* add in colors */ + FX64_SHL(hi, 5); + FX64_OR32(hi, vec[j][i] >> 3); + } + } + ((Fx64 *)cc)[1] = hi; +} + + +static void +fxt1_quantize (unsigned long *cc, const unsigned char *lines[], int comps) +{ + int trualpha; + unsigned char reord[N_TEXELS][MAX_COMP]; + + unsigned char input[N_TEXELS][MAX_COMP]; + int i, k, l; + + memset(input, -1, sizeof(input)); + + /* 8 texels each line */ + for (l = 0; l < 4; l++) { + for (k = 0; k < 4; k++) { + for (i = 0; i < comps; i++) { + input[k + l * 4][i] = *lines[l]++; + } + } + for (; k < 8; k++) { + for (i = 0; i < comps; i++) { + input[k + l * 4 + 12][i] = *lines[l]++; + } + } + } + + /* block layout: + * 00, 01, 02, 03, 08, 09, 0a, 0b + * 10, 11, 12, 13, 18, 19, 1a, 1b + * 04, 05, 06, 07, 0c, 0d, 0e, 0f + * 14, 15, 16, 17, 1c, 1d, 1e, 1f + */ + + /* [dBorca] + * stupidity flows forth from this + */ + l = N_TEXELS; + trualpha = 0; + if (comps == 4) { + /* skip all transparent black texels */ + l = 0; + for (k = 0; k < N_TEXELS; k++) { + /* test all components against 0 */ + if (!ISTBLACK(input[k])) { + /* texel is not transparent black */ + COPY_4UBV(reord[l], input[k]); + if (reord[l][ACOMP] < (255 - ALPHA_TS)) { + /* non-opaque texel */ + trualpha = !0; + } + l++; + } + } + } + +#if 0 + if (trualpha) { + fxt1_quantize_ALPHA0(cc, input, reord, l); + } else if (l == 0) { + cc[0] = cc[1] = cc[2] = -1; + cc[3] = 0; + } else if (l < N_TEXELS) { + fxt1_quantize_HI(cc, input, reord, l); + } else { + fxt1_quantize_CHROMA(cc, input); + } + (void)fxt1_quantize_ALPHA1; + (void)fxt1_quantize_MIXED1; + (void)fxt1_quantize_MIXED0; +#else + if (trualpha) { + fxt1_quantize_ALPHA1(cc, input); + } else if (l == 0) { + cc[0] = cc[1] = cc[2] = -1; + cc[3] = 0; + } else if (l < N_TEXELS) { + fxt1_quantize_MIXED1(cc, input); + } else { + fxt1_quantize_MIXED0(cc, input); + } + (void)fxt1_quantize_ALPHA0; + (void)fxt1_quantize_HI; + (void)fxt1_quantize_CHROMA; +#endif +} + + +int +fxt1_encode (GLcontext *ctx, + unsigned int width, unsigned int height, + int srcFormat, + const void *source, int srcRowStride, + void *dest, int destRowStride) +{ + const int comps = (srcFormat == GL_RGB) ? 3 : 4; + unsigned int x, y; + const unsigned char *data; + unsigned long *encoded = dest; + GLubyte *newSource = NULL; + + (void) ctx; + + /* + * Rescale image if width is less than 8 or height is less than 4. + */ + if (width < 8 || height < 4) { + GLint newWidth = (width + 7) & ~7; + GLint newHeight = (height + 3) & ~3; + newSource = MALLOC(comps * newWidth * newHeight * sizeof(GLchan)); + _mesa_upscale_teximage2d(width, height, newWidth, newHeight, + comps, source, srcRowStride, newSource); + source = newSource; + width = newWidth; + height = newHeight; + srcRowStride = comps * newWidth; + } + + data = source; + destRowStride = (destRowStride - width * 2) / 4; + for (y = 0; y < height; y += 4) { + unsigned int offs = 0 + (y + 0) * srcRowStride; + for (x = 0; x < width; x += 8) { + const unsigned char *lines[4]; + lines[0] = &data[offs]; + lines[1] = lines[0] + srcRowStride; + lines[2] = lines[1] + srcRowStride; + lines[3] = lines[2] + srcRowStride; + offs += 8 * comps; + fxt1_quantize(encoded, lines, comps); + /* 128 bits per 8x4 block = 4bpp */ + encoded += 4; + } + encoded += destRowStride; + } + + if (newSource != NULL) { + FREE(newSource); + } + + return 0; +} + + +/***************************************************************************\ + * FXT1 decoder + * + * The decoder is based on GL_3DFX_texture_compression_FXT1 + * specification and serves as a concept for the encoder. +\***************************************************************************/ + + +/* lookup table for scaling 5 bit colors up to 8 bits */ +static unsigned char _rgb_scale_5[] = { + 0, 8, 16, 25, 33, 41, 49, 58, + 66, 74, 82, 90, 99, 107, 115, 123, + 132, 140, 148, 156, 165, 173, 181, 189, + 197, 206, 214, 222, 230, 239, 247, 255 +}; + +/* lookup table for scaling 6 bit colors up to 8 bits */ +static unsigned char _rgb_scale_6[] = { + 0, 4, 8, 12, 16, 20, 24, 28, + 32, 36, 40, 45, 49, 53, 57, 61, + 65, 69, 73, 77, 81, 85, 89, 93, + 97, 101, 105, 109, 113, 117, 121, 125, + 130, 134, 138, 142, 146, 150, 154, 158, + 162, 166, 170, 174, 178, 182, 186, 190, + 194, 198, 202, 206, 210, 215, 219, 223, + 227, 231, 235, 239, 243, 247, 251, 255 +}; + + +#define CC_SEL(cc, which) ((cc)[(which) / 32] >> ((which) & 31)) +#define UP5(c) _rgb_scale_5[(c) & 31] +#define UP6(c, b) _rgb_scale_6[(((c) & 31) << 1) | ((b) & 1)] +#define LERP(n, t, c0, c1) (((n) - (t)) * (c0) + (t) * (c1) + (n) / 2) / (n) +#define ZERO_4UBV(v) *((unsigned long *)(v)) = 0 + + +static void +fxt1_decode_1HI (unsigned long code, int t, unsigned char *rgba) +{ + const unsigned long *cc; + + t *= 3; + cc = (unsigned long *)(code + t / 8); + t = (cc[0] >> (t & 7)) & 7; + + if (t == 7) { + ZERO_4UBV(rgba); + } else { + cc = (unsigned long *)(code + 12); + if (t == 0) { + rgba[BCOMP] = UP5(CC_SEL(cc, 0)); + rgba[GCOMP] = UP5(CC_SEL(cc, 5)); + rgba[RCOMP] = UP5(CC_SEL(cc, 10)); + } else if (t == 6) { + rgba[BCOMP] = UP5(CC_SEL(cc, 15)); + rgba[GCOMP] = UP5(CC_SEL(cc, 20)); + rgba[RCOMP] = UP5(CC_SEL(cc, 25)); + } else { + rgba[BCOMP] = LERP(6, t, UP5(CC_SEL(cc, 0)), UP5(CC_SEL(cc, 15))); + rgba[GCOMP] = LERP(6, t, UP5(CC_SEL(cc, 5)), UP5(CC_SEL(cc, 20))); + rgba[RCOMP] = LERP(6, t, UP5(CC_SEL(cc, 10)), UP5(CC_SEL(cc, 25))); + } + rgba[ACOMP] = 255; + } +} + + +static void +fxt1_decode_1CHROMA (unsigned long code, int t, unsigned char *rgba) +{ + const unsigned long *cc; + unsigned long kk; + + cc = (unsigned long *)code; + if (t & 16) { + cc++; + t &= 15; + } + t = (cc[0] >> (t * 2)) & 3; + + t *= 15; + cc = (unsigned long *)(code + 8 + t / 8); + kk = cc[0] >> (t & 7); + rgba[BCOMP] = UP5(kk); + rgba[GCOMP] = UP5(kk >> 5); + rgba[RCOMP] = UP5(kk >> 10); + rgba[ACOMP] = 255; +} + + +static void +fxt1_decode_1MIXED (unsigned long code, int t, unsigned char *rgba) +{ + const unsigned long *cc; + unsigned int col[2][3]; + int glsb, selb; + + cc = (unsigned long *)code; + if (t & 16) { + t &= 15; + t = (cc[1] >> (t * 2)) & 3; + /* col 2 */ + col[0][BCOMP] = (*(unsigned long *)(code + 11)) >> 6; + col[0][GCOMP] = CC_SEL(cc, 99); + col[0][RCOMP] = CC_SEL(cc, 104); + /* col 3 */ + col[1][BCOMP] = CC_SEL(cc, 109); + col[1][GCOMP] = CC_SEL(cc, 114); + col[1][RCOMP] = CC_SEL(cc, 119); + glsb = CC_SEL(cc, 126); + selb = CC_SEL(cc, 33); + } else { + t = (cc[0] >> (t * 2)) & 3; + /* col 0 */ + col[0][BCOMP] = CC_SEL(cc, 64); + col[0][GCOMP] = CC_SEL(cc, 69); + col[0][RCOMP] = CC_SEL(cc, 74); + /* col 1 */ + col[1][BCOMP] = CC_SEL(cc, 79); + col[1][GCOMP] = CC_SEL(cc, 84); + col[1][RCOMP] = CC_SEL(cc, 89); + glsb = CC_SEL(cc, 125); + selb = CC_SEL(cc, 1); + } + + if (CC_SEL(cc, 124) & 1) { + /* alpha[0] == 1 */ + + if (t == 3) { + ZERO_4UBV(rgba); + } else { + if (t == 0) { + rgba[BCOMP] = UP5(col[0][BCOMP]); + rgba[GCOMP] = UP5(col[0][GCOMP]); + rgba[RCOMP] = UP5(col[0][RCOMP]); + } else if (t == 2) { + rgba[BCOMP] = UP5(col[1][BCOMP]); + rgba[GCOMP] = UP6(col[1][GCOMP], glsb); + rgba[RCOMP] = UP5(col[1][RCOMP]); + } else { + rgba[BCOMP] = (UP5(col[0][BCOMP]) + UP5(col[1][BCOMP])) / 2; + rgba[GCOMP] = (UP5(col[0][GCOMP]) + UP6(col[1][GCOMP], glsb)) / 2; + rgba[RCOMP] = (UP5(col[0][RCOMP]) + UP5(col[1][RCOMP])) / 2; + } + rgba[ACOMP] = 255; + } + } else { + /* alpha[0] == 0 */ + + if (t == 0) { + rgba[BCOMP] = UP5(col[0][BCOMP]); + rgba[GCOMP] = UP6(col[0][GCOMP], glsb ^ selb); + rgba[RCOMP] = UP5(col[0][RCOMP]); + } else if (t == 3) { + rgba[BCOMP] = UP5(col[1][BCOMP]); + rgba[GCOMP] = UP6(col[1][GCOMP], glsb); + rgba[RCOMP] = UP5(col[1][RCOMP]); + } else { + rgba[BCOMP] = LERP(3, t, UP5(col[0][BCOMP]), UP5(col[1][BCOMP])); + rgba[GCOMP] = LERP(3, t, UP6(col[0][GCOMP], glsb ^ selb), + UP6(col[1][GCOMP], glsb)); + rgba[RCOMP] = LERP(3, t, UP5(col[0][RCOMP]), UP5(col[1][RCOMP])); + } + rgba[ACOMP] = 255; + } +} + + +static void +fxt1_decode_1ALPHA (unsigned long code, int t, unsigned char *rgba) +{ + const unsigned long *cc; + + cc = (unsigned long *)code; + if (CC_SEL(cc, 124) & 1) { + /* lerp == 1 */ + unsigned int col0[4]; + + if (t & 16) { + t &= 15; + t = (cc[1] >> (t * 2)) & 3; + /* col 2 */ + col0[BCOMP] = (*(unsigned long *)(code + 11)) >> 6; + col0[GCOMP] = CC_SEL(cc, 99); + col0[RCOMP] = CC_SEL(cc, 104); + col0[ACOMP] = CC_SEL(cc, 119); + } else { + t = (cc[0] >> (t * 2)) & 3; + /* col 0 */ + col0[BCOMP] = CC_SEL(cc, 64); + col0[GCOMP] = CC_SEL(cc, 69); + col0[RCOMP] = CC_SEL(cc, 74); + col0[ACOMP] = CC_SEL(cc, 109); + } + + if (t == 0) { + rgba[BCOMP] = UP5(col0[BCOMP]); + rgba[GCOMP] = UP5(col0[GCOMP]); + rgba[RCOMP] = UP5(col0[RCOMP]); + rgba[ACOMP] = UP5(col0[ACOMP]); + } else if (t == 3) { + rgba[BCOMP] = UP5(CC_SEL(cc, 79)); + rgba[GCOMP] = UP5(CC_SEL(cc, 84)); + rgba[RCOMP] = UP5(CC_SEL(cc, 89)); + rgba[ACOMP] = UP5(CC_SEL(cc, 114)); + } else { + rgba[BCOMP] = LERP(3, t, UP5(col0[BCOMP]), UP5(CC_SEL(cc, 79))); + rgba[GCOMP] = LERP(3, t, UP5(col0[GCOMP]), UP5(CC_SEL(cc, 84))); + rgba[RCOMP] = LERP(3, t, UP5(col0[RCOMP]), UP5(CC_SEL(cc, 89))); + rgba[ACOMP] = LERP(3, t, UP5(col0[ACOMP]), UP5(CC_SEL(cc, 114))); + } + } else { + /* lerp == 0 */ + + if (t & 16) { + cc++; + t &= 15; + } + t = (cc[0] >> (t * 2)) & 3; + + if (t == 3) { + ZERO_4UBV(rgba); + } else { + unsigned long kk; + cc = (unsigned long *)code; + rgba[ACOMP] = UP5(cc[3] >> (t * 5 + 13)); + t *= 15; + cc = (unsigned long *)(code + 8 + t / 8); + kk = cc[0] >> (t & 7); + rgba[BCOMP] = UP5(kk); + rgba[GCOMP] = UP5(kk >> 5); + rgba[RCOMP] = UP5(kk >> 10); + } + } +} + + +void +fxt1_decode_1 (const void *texture, int width, + int i, int j, unsigned char *rgba) +{ + static void (*decode_1[]) (unsigned long, int, unsigned char *) = { + fxt1_decode_1HI, /* cc-high = "00?" */ + fxt1_decode_1HI, /* cc-high = "00?" */ + fxt1_decode_1CHROMA, /* cc-chroma = "010" */ + fxt1_decode_1ALPHA, /* alpha = "011" */ + fxt1_decode_1MIXED, /* mixed = "1??" */ + fxt1_decode_1MIXED, /* mixed = "1??" */ + fxt1_decode_1MIXED, /* mixed = "1??" */ + fxt1_decode_1MIXED /* mixed = "1??" */ + }; + + unsigned long code = (unsigned long)texture + + ((j / 4) * (width / 8) + (i / 8)) * 16; + int mode = CC_SEL((unsigned long *)code, 125); + int t = i & 7; + + if (t & 4) { + t += 12; + } + t += (j & 3) * 4; + + decode_1[mode](code, t, rgba); +} diff --git a/src/mesa/main/texcompress_s3tc.c b/src/mesa/main/texcompress_s3tc.c new file mode 100644 index 0000000..572cdd2 --- /dev/null +++ b/src/mesa/main/texcompress_s3tc.c @@ -0,0 +1,450 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texcompress_s3tc.c + * GL_EXT_texture_compression_s3tc support. + */ + + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "context.h" +#include "convolve.h" +#include "image.h" +#include "texcompress.h" +#include "texformat.h" +#include "texstore.h" + + + +void +_mesa_init_texture_s3tc( GLcontext *ctx ) +{ + /* called during context initialization */ + (void) ctx; +} + + +/** + * Called via TexFormat->StoreImage to store an RGB_DXT1 texture. + */ +static GLboolean +texstore_rgb_dxt1(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgb_dxt1); + ASSERT(dstXoffset % 4 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset % 4 == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGB || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGB/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 3 * srcWidth; + srcFormat = GL_RGB; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGB_S3TC_DXT1_EXT, + texWidth, (GLubyte *) dstAddr); + +#if 0 + compress_dxt1(ctx, srcWidth, srcHeight, srcFormat, pixels, srcRowStride, + dst, dstRowStride); +#endif + + if (tempImage) + _mesa_free((void *) tempImage); + + return GL_TRUE; +} + + +/** + * Called via TexFormat->StoreImage to store an RGBA_DXT1 texture. + */ +static GLboolean +texstore_rgba_dxt1(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgba_dxt1); + ASSERT(dstXoffset % 4 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset % 4 == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGBA || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGBA/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 4 * srcWidth; + srcFormat = GL_RGBA; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, + texWidth, (GLubyte *) dstAddr); +#if 0 + compress_dxt1(ctx, srcWidth, srcHeight, srcFormat, pixels, srcRowStride, + dst, dstRowStride); +#endif + if (tempImage) + _mesa_free((void*) tempImage); + + return GL_TRUE; +} + + +/** + * Called via TexFormat->StoreImage to store an RGBA_DXT3 texture. + */ +static GLboolean +texstore_rgba_dxt3(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgba_dxt3); + ASSERT(dstXoffset % 4 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset % 4 == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGBA || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGBA/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 4 * srcWidth; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + texWidth, (GLubyte *) dstAddr); +#if 0 + compress_rgba_dxt3(ctx, srcWidth, srcHeight, pixels, + srcRowStride, dst, dstRowStride); +#endif + if (tempImage) + _mesa_free((void *) tempImage); + + return GL_TRUE; +} + + +/** + * Called via TexFormat->StoreImage to store an RGBA_DXT5 texture. + */ +static GLboolean +texstore_rgba_dxt5(STORE_PARAMS) +{ + const GLchan *pixels; + GLint srcRowStride; + GLubyte *dst; + const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */ + const GLchan *tempImage = NULL; + + ASSERT(dstFormat == &_mesa_texformat_rgba_dxt5); + ASSERT(dstXoffset % 4 == 0); + ASSERT(dstYoffset % 4 == 0); + ASSERT(dstZoffset % 4 == 0); + (void) dstZoffset; (void) dstImageStride; + + if (srcFormat != GL_RGBA || + srcType != CHAN_TYPE || + ctx->_ImageTransferState || + srcPacking->SwapBytes) { + /* convert image to RGBA/GLchan */ + tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + if (!tempImage) + return GL_FALSE; /* out of memory */ + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + pixels = tempImage; + srcRowStride = 4 * srcWidth; + } + else { + pixels = (const GLchan *) srcAddr; + srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, + srcType) / sizeof(GLchan); + } + + dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, + GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, + texWidth, (GLubyte *) dstAddr); +#if 0 + compress_rgba_dxt5(ctx, srcWidth, srcHeight, pixels, + srcRowStride, dst, dstRowStride); +#endif + if (tempImage) + _mesa_free((void *) tempImage); + + return GL_TRUE; +} + + +static void +fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; (void) texel; +} + + +static void +fetch_texel_2d_f_rgb_dxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +static void +fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; (void) texel; +} + + +static void +fetch_texel_2d_f_rgba_dxt1( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +static void +fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; (void) texel; +} + + +static void +fetch_texel_2d_f_rgba_dxt3( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +static void +fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; (void) texel; +} + + +static void +fetch_texel_2d_f_rgba_dxt5( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* just sample as GLchan and convert to float here */ + GLchan rgba[4]; + fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba); + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +const struct gl_texture_format _mesa_texformat_rgb_dxt1 = { + MESA_FORMAT_RGB_DXT1, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /*approx*/ /* RedBits */ + 4, /*approx*/ /* GreenBits */ + 4, /*approx*/ /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgb_dxt1, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgb_dxt1, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgb_dxt1, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_dxt1 = { + MESA_FORMAT_RGBA_DXT1, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /*approx*/ /* RedBits */ + 4, /*approx*/ /* GreenBits */ + 4, /*approx*/ /* BlueBits */ + 1, /*approx*/ /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgba_dxt1, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgba_dxt1, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_dxt1, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_dxt3 = { + MESA_FORMAT_RGBA_DXT3, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /*approx*/ /* RedBits */ + 4, /*approx*/ /* GreenBits */ + 4, /*approx*/ /* BlueBits */ + 4, /*approx*/ /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgba_dxt3, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgba_dxt3, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_dxt3, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_dxt5 = { + MESA_FORMAT_RGBA_DXT5, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4,/*approx*/ /* RedBits */ + 4,/*approx*/ /* GreenBits */ + 4,/*approx*/ /* BlueBits */ + 4,/*approx*/ /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + texstore_rgba_dxt5, /* StoreTexImageFunc */ + NULL, /*impossible*/ /* FetchTexel1D */ + fetch_texel_2d_rgba_dxt5, /* FetchTexel2D */ + NULL, /*impossible*/ /* FetchTexel3D */ + NULL, /*impossible*/ /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_dxt5, /* FetchTexel2Df */ + NULL, /*impossible*/ /* FetchTexel3Df */ +}; diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c new file mode 100644 index 0000000..a496cf8 --- /dev/null +++ b/src/mesa/main/texformat.c @@ -0,0 +1,1264 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texformat.c + * Texture formats. + * + * \author Gareth Hughes + */ + + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "image.h" +#include "imports.h" +#include "mtypes.h" +#include "texformat.h" +#include "teximage.h" +#include "texstate.h" +#include "texstore.h" + + + +/* Texel fetch routines for all supported formats + */ +#define DIM 1 +#include "texformat_tmp.h" + +#define DIM 2 +#include "texformat_tmp.h" + +#define DIM 3 +#include "texformat_tmp.h" + +/** + * Null texel fetch function. + * + * Have to have this so the FetchTexel function pointer is never NULL. + */ +static void fetch_null_texel( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; + texel[RCOMP] = 0; + texel[GCOMP] = 0; + texel[BCOMP] = 0; + texel[ACOMP] = 0; + _mesa_warning(NULL, "fetch_null_texel() called!"); +} + +static void fetch_null_texelf( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; + texel[RCOMP] = 0.0; + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 0.0; + _mesa_warning(NULL, "fetch_null_texelf() called!"); +} + + +/***************************************************************/ +/** \name Default GLchan-based formats */ +/*@{*/ + +const struct gl_texture_format _mesa_texformat_rgba = { + MESA_FORMAT_RGBA, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + CHAN_BITS, /* RedBits */ + CHAN_BITS, /* GreenBits */ + CHAN_BITS, /* BlueBits */ + CHAN_BITS, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4 * sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba, /* StoreTexImageFunc */ + fetch_texel_1d_rgba, /* FetchTexel1D */ + fetch_texel_2d_rgba, /* FetchTexel2D */ + fetch_texel_3d_rgba, /* FetchTexel3D */ + fetch_texel_1d_f_rgba, /* FetchTexel1Df */ + fetch_texel_2d_f_rgba, /* FetchTexel2Df */ + fetch_texel_3d_f_rgba, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb = { + MESA_FORMAT_RGB, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + CHAN_BITS, /* RedBits */ + CHAN_BITS, /* GreenBits */ + CHAN_BITS, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3 * sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_rgb, /* FetchTexel1D */ + fetch_texel_2d_rgb, /* FetchTexel2D */ + fetch_texel_3d_rgb, /* FetchTexel3D */ + fetch_texel_1d_f_rgb, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_alpha = { + MESA_FORMAT_ALPHA, /* MesaFormat */ + GL_ALPHA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + CHAN_BITS, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_alpha, /* FetchTexel1D */ + fetch_texel_2d_alpha, /* FetchTexel2D */ + fetch_texel_3d_alpha, /* FetchTexel3D */ + fetch_texel_1d_f_alpha, /* FetchTexel1Df */ + fetch_texel_2d_f_alpha, /* FetchTexel2Df */ + fetch_texel_3d_f_alpha, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance = { + MESA_FORMAT_LUMINANCE, /* MesaFormat */ + GL_LUMINANCE, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + CHAN_BITS, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_luminance, /* FetchTexel1D */ + fetch_texel_2d_luminance, /* FetchTexel2D */ + fetch_texel_3d_luminance, /* FetchTexel3D */ + fetch_texel_1d_f_luminance, /* FetchTexel1Df */ + fetch_texel_2d_f_luminance, /* FetchTexel2Df */ + fetch_texel_3d_f_luminance, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance_alpha = { + MESA_FORMAT_LUMINANCE_ALPHA, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + CHAN_BITS, /* AlphaBits */ + CHAN_BITS, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2 * sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_luminance_alpha, /* FetchTexel1D */ + fetch_texel_2d_luminance_alpha, /* FetchTexel2D */ + fetch_texel_3d_luminance_alpha, /* FetchTexel3D */ + fetch_texel_1d_f_luminance_alpha, /* FetchTexel1Df */ + fetch_texel_2d_f_luminance_alpha, /* FetchTexel2Df */ + fetch_texel_3d_f_luminance_alpha, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_intensity = { + MESA_FORMAT_INTENSITY, /* MesaFormat */ + GL_INTENSITY, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + CHAN_BITS, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + sizeof(GLchan), /* TexelBytes */ + _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_intensity, /* FetchTexel1D */ + fetch_texel_2d_intensity, /* FetchTexel2D */ + fetch_texel_3d_intensity, /* FetchTexel3D */ + fetch_texel_1d_f_intensity, /* FetchTexel1Df */ + fetch_texel_2d_f_intensity, /* FetchTexel2Df */ + fetch_texel_3d_f_intensity, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_depth_component_float32 = { + MESA_FORMAT_DEPTH_COMPONENT_FLOAT32, /* MesaFormat */ + GL_DEPTH_COMPONENT, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + sizeof(GLfloat) * 8, /* DepthBits */ + sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_depth_component_float32,/* StoreTexImageFunc */ + fetch_null_texel, /* FetchTexel1D */ + fetch_null_texel, /* FetchTexel1D */ + fetch_null_texel, /* FetchTexel1D */ + fetch_texel_1d_f_depth_component_f32,/* FetchTexel1Df */ + fetch_texel_2d_f_depth_component_f32,/* FetchTexel2Df */ + fetch_texel_3d_f_depth_component_f32,/* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_depth_component16 = { + MESA_FORMAT_DEPTH_COMPONENT16, /* MesaFormat */ + GL_DEPTH_COMPONENT, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + sizeof(GLushort) * 8, /* DepthBits */ + sizeof(GLushort), /* TexelBytes */ + _mesa_texstore_depth_component16, /* StoreTexImageFunc */ + fetch_null_texel, /* FetchTexel1D */ + fetch_null_texel, /* FetchTexel1D */ + fetch_null_texel, /* FetchTexel1D */ + fetch_texel_1d_f_depth_component16, /* FetchTexel1Df */ + fetch_texel_2d_f_depth_component16, /* FetchTexel2Df */ + fetch_texel_3d_f_depth_component16, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_float32 = { + MESA_FORMAT_RGBA_FLOAT32, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 8 * sizeof(GLfloat), /* RedBits */ + 8 * sizeof(GLfloat), /* GreenBits */ + 8 * sizeof(GLfloat), /* BlueBits */ + 8 * sizeof(GLfloat), /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32, /* StoreTexImageFunc */ + fetch_texel_1d_rgba_f32, /* FetchTexel1D */ + fetch_texel_2d_rgba_f32, /* FetchTexel1D */ + fetch_texel_3d_rgba_f32, /* FetchTexel1D */ + fetch_texel_1d_f_rgba_f32, /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_f32, /* FetchTexel2Df */ + fetch_texel_3d_f_rgba_f32, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba_float16 = { + MESA_FORMAT_RGBA_FLOAT16, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 8 * sizeof(GLhalfARB), /* RedBits */ + 8 * sizeof(GLhalfARB), /* GreenBits */ + 8 * sizeof(GLhalfARB), /* BlueBits */ + 8 * sizeof(GLhalfARB), /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16, /* StoreTexImageFunc */ + fetch_texel_1d_rgba_f16, /* FetchTexel1D */ + fetch_texel_2d_rgba_f16, /* FetchTexel1D */ + fetch_texel_3d_rgba_f16, /* FetchTexel1D */ + fetch_texel_1d_f_rgba_f16, /* FetchTexel1Df */ + fetch_texel_2d_f_rgba_f16, /* FetchTexel2Df */ + fetch_texel_3d_f_rgba_f16, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb_float32 = { + MESA_FORMAT_RGB_FLOAT32, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 8 * sizeof(GLfloat), /* RedBits */ + 8 * sizeof(GLfloat), /* GreenBits */ + 8 * sizeof(GLfloat), /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_rgb_f32, /* FetchTexel1D */ + fetch_texel_2d_rgb_f32, /* FetchTexel1D */ + fetch_texel_3d_rgb_f32, /* FetchTexel1D */ + fetch_texel_1d_f_rgb_f32, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb_f32, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb_f32, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb_float16 = { + MESA_FORMAT_RGB_FLOAT16, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 8 * sizeof(GLhalfARB), /* RedBits */ + 8 * sizeof(GLhalfARB), /* GreenBits */ + 8 * sizeof(GLhalfARB), /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_rgb_f16, /* FetchTexel1D */ + fetch_texel_2d_rgb_f16, /* FetchTexel1D */ + fetch_texel_3d_rgb_f16, /* FetchTexel1D */ + fetch_texel_1d_f_rgb_f16, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb_f16, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb_f16 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_alpha_float32 = { + MESA_FORMAT_ALPHA_FLOAT32, /* MesaFormat */ + GL_ALPHA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8 * sizeof(GLfloat), /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_alpha_f32, /* FetchTexel1D */ + fetch_texel_2d_alpha_f32, /* FetchTexel1D */ + fetch_texel_3d_alpha_f32, /* FetchTexel1D */ + fetch_texel_1d_f_alpha_f32, /* FetchTexel1Df */ + fetch_texel_2d_f_alpha_f32, /* FetchTexel2Df */ + fetch_texel_3d_f_alpha_f32 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_alpha_float16 = { + MESA_FORMAT_ALPHA_FLOAT16, /* MesaFormat */ + GL_ALPHA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8 * sizeof(GLhalfARB), /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_alpha_f16, /* FetchTexel1D */ + fetch_texel_2d_alpha_f16, /* FetchTexel1D */ + fetch_texel_3d_alpha_f16, /* FetchTexel1D */ + fetch_texel_1d_f_alpha_f16, /* FetchTexel1Df */ + fetch_texel_2d_f_alpha_f16, /* FetchTexel2Df */ + fetch_texel_3d_f_alpha_f16 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance_float32 = { + MESA_FORMAT_LUMINANCE_FLOAT32, /* MesaFormat */ + GL_LUMINANCE, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 8 * sizeof(GLfloat), /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_luminance_f32, /* FetchTexel1D */ + fetch_texel_2d_luminance_f32, /* FetchTexel2D */ + fetch_texel_3d_luminance_f32, /* FetchTexel3D */ + fetch_texel_1d_f_luminance_f32, /* FetchTexel1Df */ + fetch_texel_2d_f_luminance_f32, /* FetchTexel2Df */ + fetch_texel_3d_f_luminance_f32 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance_float16 = { + MESA_FORMAT_LUMINANCE_FLOAT16, /* MesaFormat */ + GL_LUMINANCE, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 8 * sizeof(GLhalfARB), /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_luminance_f16, /* FetchTexel1D */ + fetch_texel_2d_luminance_f16, /* FetchTexel2D */ + fetch_texel_3d_luminance_f16, /* FetchTexel3D */ + fetch_texel_1d_f_luminance_f16, /* FetchTexel1Df */ + fetch_texel_2d_f_luminance_f16, /* FetchTexel2Df */ + fetch_texel_3d_f_luminance_f16 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance_alpha_float32 = { + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8 * sizeof(GLfloat), /* AlphaBits */ + 8 * sizeof(GLfloat), /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32, /* StoreTexImageFunc */ + fetch_texel_1d_luminance_alpha_f32, /* FetchTexel1D */ + fetch_texel_2d_luminance_alpha_f32, /* FetchTexel2D */ + fetch_texel_3d_luminance_alpha_f32, /* FetchTexel3D */ + fetch_texel_1d_f_luminance_alpha_f32,/* FetchTexel1Df */ + fetch_texel_2d_f_luminance_alpha_f32,/* FetchTexel2Df */ + fetch_texel_3d_f_luminance_alpha_f32 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_luminance_alpha_float16 = { + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8 * sizeof(GLhalfARB), /* AlphaBits */ + 8 * sizeof(GLhalfARB), /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16, /* StoreTexImageFunc */ + fetch_texel_1d_luminance_alpha_f16, /* FetchTexel1D */ + fetch_texel_2d_luminance_alpha_f16, /* FetchTexel2D */ + fetch_texel_3d_luminance_alpha_f16, /* FetchTexel3D */ + fetch_texel_1d_f_luminance_alpha_f16,/* FetchTexel1Df */ + fetch_texel_2d_f_luminance_alpha_f16,/* FetchTexel2Df */ + fetch_texel_3d_f_luminance_alpha_f16 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_intensity_float32 = { + MESA_FORMAT_INTENSITY_FLOAT32, /* MesaFormat */ + GL_INTENSITY, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 8 * sizeof(GLfloat), /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLfloat), /* TexelBytes */ + _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_intensity_f32, /* FetchTexel1D */ + fetch_texel_2d_intensity_f32, /* FetchTexel2D */ + fetch_texel_3d_intensity_f32, /* FetchTexel3D */ + fetch_texel_1d_f_intensity_f32, /* FetchTexel1Df */ + fetch_texel_2d_f_intensity_f32, /* FetchTexel2Df */ + fetch_texel_3d_f_intensity_f32 /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_intensity_float16 = { + MESA_FORMAT_INTENSITY_FLOAT16, /* MesaFormat */ + GL_INTENSITY, /* BaseFormat */ + GL_FLOAT, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 8 * sizeof(GLhalfARB), /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1 * sizeof(GLhalfARB), /* TexelBytes */ + _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_intensity_f16, /* FetchTexel1D */ + fetch_texel_2d_intensity_f16, /* FetchTexel2D */ + fetch_texel_3d_intensity_f16, /* FetchTexel3D */ + fetch_texel_1d_f_intensity_f16, /* FetchTexel1Df */ + fetch_texel_2d_f_intensity_f16, /* FetchTexel2Df */ + fetch_texel_3d_f_intensity_f16 /* FetchTexel3Df */ +}; + + +/*@}*/ + + +/***************************************************************/ +/** \name Hardware formats */ +/*@{*/ + +const struct gl_texture_format _mesa_texformat_rgba8888 = { + MESA_FORMAT_RGBA8888, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + _mesa_texstore_rgba8888, /* StoreTexImageFunc */ + fetch_texel_1d_rgba8888, /* FetchTexel1D */ + fetch_texel_2d_rgba8888, /* FetchTexel2D */ + fetch_texel_3d_rgba8888, /* FetchTexel3D */ + fetch_texel_1d_f_rgba8888, /* FetchTexel1Df */ + fetch_texel_2d_f_rgba8888, /* FetchTexel2Df */ + fetch_texel_3d_f_rgba8888, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgba8888_rev = { + MESA_FORMAT_RGBA8888_REV, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + _mesa_texstore_rgba8888, /* StoreTexImageFunc */ + fetch_texel_1d_rgba8888_rev, /* FetchTexel1D */ + fetch_texel_2d_rgba8888_rev, /* FetchTexel2D */ + fetch_texel_3d_rgba8888_rev, /* FetchTexel3D */ + fetch_texel_1d_f_rgba8888_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_rgba8888_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_rgba8888_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb8888 = { + MESA_FORMAT_ARGB8888, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + _mesa_texstore_argb8888, /* StoreTexImageFunc */ + fetch_texel_1d_argb8888, /* FetchTexel1D */ + fetch_texel_2d_argb8888, /* FetchTexel2D */ + fetch_texel_3d_argb8888, /* FetchTexel3D */ + fetch_texel_1d_f_argb8888, /* FetchTexel1Df */ + fetch_texel_2d_f_argb8888, /* FetchTexel2Df */ + fetch_texel_3d_f_argb8888, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb8888_rev = { + MESA_FORMAT_ARGB8888_REV, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + _mesa_texstore_argb8888, /* StoreTexImageFunc */ + fetch_texel_1d_argb8888_rev, /* FetchTexel1D */ + fetch_texel_2d_argb8888_rev, /* FetchTexel2D */ + fetch_texel_3d_argb8888_rev, /* FetchTexel3D */ + fetch_texel_1d_f_argb8888_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_argb8888_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_argb8888_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb888 = { + MESA_FORMAT_RGB888, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3, /* TexelBytes */ + _mesa_texstore_rgb888, /* StoreTexImageFunc */ + fetch_texel_1d_rgb888, /* FetchTexel1D */ + fetch_texel_2d_rgb888, /* FetchTexel2D */ + fetch_texel_3d_rgb888, /* FetchTexel3D */ + fetch_texel_1d_f_rgb888, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb888, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb888, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_bgr888 = { + MESA_FORMAT_BGR888, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3, /* TexelBytes */ + _mesa_texstore_bgr888, /* StoreTexImageFunc */ + fetch_texel_1d_bgr888, /* FetchTexel1D */ + fetch_texel_2d_bgr888, /* FetchTexel2D */ + fetch_texel_3d_bgr888, /* FetchTexel3D */ + fetch_texel_1d_f_bgr888, /* FetchTexel1Df */ + fetch_texel_2d_f_bgr888, /* FetchTexel2Df */ + fetch_texel_3d_f_bgr888, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb565 = { + MESA_FORMAT_RGB565, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 5, /* RedBits */ + 6, /* GreenBits */ + 5, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_rgb565, /* StoreTexImageFunc */ + fetch_texel_1d_rgb565, /* FetchTexel1D */ + fetch_texel_2d_rgb565, /* FetchTexel2D */ + fetch_texel_3d_rgb565, /* FetchTexel3D */ + fetch_texel_1d_f_rgb565, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb565, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb565, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb565_rev = { + MESA_FORMAT_RGB565_REV, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 5, /* RedBits */ + 6, /* GreenBits */ + 5, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_rgb565, /* StoreTexImageFunc */ + fetch_texel_1d_rgb565_rev, /* FetchTexel1D */ + fetch_texel_2d_rgb565_rev, /* FetchTexel2D */ + fetch_texel_3d_rgb565_rev, /* FetchTexel3D */ + fetch_texel_1d_f_rgb565_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb565_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb565_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb4444 = { + MESA_FORMAT_ARGB4444, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /* RedBits */ + 4, /* GreenBits */ + 4, /* BlueBits */ + 4, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_argb4444, /* StoreTexImageFunc */ + fetch_texel_1d_argb4444, /* FetchTexel1D */ + fetch_texel_2d_argb4444, /* FetchTexel2D */ + fetch_texel_3d_argb4444, /* FetchTexel3D */ + fetch_texel_1d_f_argb4444, /* FetchTexel1Df */ + fetch_texel_2d_f_argb4444, /* FetchTexel2Df */ + fetch_texel_3d_f_argb4444, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb4444_rev = { + MESA_FORMAT_ARGB4444_REV, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 4, /* RedBits */ + 4, /* GreenBits */ + 4, /* BlueBits */ + 4, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_argb4444, /* StoreTexImageFunc */ + fetch_texel_1d_argb4444_rev, /* FetchTexel1D */ + fetch_texel_2d_argb4444_rev, /* FetchTexel2D */ + fetch_texel_3d_argb4444_rev, /* FetchTexel3D */ + fetch_texel_1d_f_argb4444_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_argb4444_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_argb4444_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb1555 = { + MESA_FORMAT_ARGB1555, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 5, /* RedBits */ + 5, /* GreenBits */ + 5, /* BlueBits */ + 1, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_argb1555, /* StoreTexImageFunc */ + fetch_texel_1d_argb1555, /* FetchTexel1D */ + fetch_texel_2d_argb1555, /* FetchTexel2D */ + fetch_texel_3d_argb1555, /* FetchTexel3D */ + fetch_texel_1d_f_argb1555, /* FetchTexel1Df */ + fetch_texel_2d_f_argb1555, /* FetchTexel2Df */ + fetch_texel_3d_f_argb1555, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_argb1555_rev = { + MESA_FORMAT_ARGB1555_REV, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 5, /* RedBits */ + 5, /* GreenBits */ + 5, /* BlueBits */ + 1, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_argb1555, /* StoreTexImageFunc */ + fetch_texel_1d_argb1555_rev, /* FetchTexel1D */ + fetch_texel_2d_argb1555_rev, /* FetchTexel2D */ + fetch_texel_3d_argb1555_rev, /* FetchTexel3D */ + fetch_texel_1d_f_argb1555_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_argb1555_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_argb1555_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_al88 = { + MESA_FORMAT_AL88, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8, /* AlphaBits */ + 8, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_al88, /* StoreTexImageFunc */ + fetch_texel_1d_al88, /* FetchTexel1D */ + fetch_texel_2d_al88, /* FetchTexel2D */ + fetch_texel_3d_al88, /* FetchTexel3D */ + fetch_texel_1d_f_al88, /* FetchTexel1Df */ + fetch_texel_2d_f_al88, /* FetchTexel2Df */ + fetch_texel_3d_f_al88, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_al88_rev = { + MESA_FORMAT_AL88_REV, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8, /* AlphaBits */ + 8, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_al88, /* StoreTexImageFunc */ + fetch_texel_1d_al88_rev, /* FetchTexel1D */ + fetch_texel_2d_al88_rev, /* FetchTexel2D */ + fetch_texel_3d_al88_rev, /* FetchTexel3D */ + fetch_texel_1d_f_al88_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_al88_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_al88_rev, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_rgb332 = { + MESA_FORMAT_RGB332, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 3, /* RedBits */ + 3, /* GreenBits */ + 2, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + _mesa_texstore_rgb332, /* StoreTexImageFunc */ + fetch_texel_1d_rgb332, /* FetchTexel1D */ + fetch_texel_2d_rgb332, /* FetchTexel2D */ + fetch_texel_3d_rgb332, /* FetchTexel3D */ + fetch_texel_1d_f_rgb332, /* FetchTexel1Df */ + fetch_texel_2d_f_rgb332, /* FetchTexel2Df */ + fetch_texel_3d_f_rgb332, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_a8 = { + MESA_FORMAT_A8, /* MesaFormat */ + GL_ALPHA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + _mesa_texstore_a8, /* StoreTexImageFunc */ + fetch_texel_1d_a8, /* FetchTexel1D */ + fetch_texel_2d_a8, /* FetchTexel2D */ + fetch_texel_3d_a8, /* FetchTexel3D */ + fetch_texel_1d_f_a8, /* FetchTexel1Df */ + fetch_texel_2d_f_a8, /* FetchTexel2Df */ + fetch_texel_3d_f_a8, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_l8 = { + MESA_FORMAT_L8, /* MesaFormat */ + GL_LUMINANCE, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 8, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + _mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_l8, /* FetchTexel1D */ + fetch_texel_2d_l8, /* FetchTexel2D */ + fetch_texel_3d_l8, /* FetchTexel3D */ + fetch_texel_1d_f_l8, /* FetchTexel1Df */ + fetch_texel_2d_f_l8, /* FetchTexel2Df */ + fetch_texel_3d_f_l8, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_i8 = { + MESA_FORMAT_I8, /* MesaFormat */ + GL_INTENSITY, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 8, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + _mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */ + fetch_texel_1d_i8, /* FetchTexel1D */ + fetch_texel_2d_i8, /* FetchTexel2D */ + fetch_texel_3d_i8, /* FetchTexel3D */ + fetch_texel_1d_f_i8, /* FetchTexel1Df */ + fetch_texel_2d_f_i8, /* FetchTexel2Df */ + fetch_texel_3d_f_i8, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_ci8 = { + MESA_FORMAT_CI8, /* MesaFormat */ + GL_COLOR_INDEX, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 8, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + _mesa_texstore_ci8, /* StoreTexImageFunc */ + fetch_texel_1d_ci8, /* FetchTexel1D */ + fetch_texel_2d_ci8, /* FetchTexel2D */ + fetch_texel_3d_ci8, /* FetchTexel3D */ + fetch_texel_1d_f_ci8, /* FetchTexel1Df */ + fetch_texel_2d_f_ci8, /* FetchTexel2Df */ + fetch_texel_3d_f_ci8, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_ycbcr = { + MESA_FORMAT_YCBCR, /* MesaFormat */ + GL_YCBCR_MESA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_ycbcr, /* StoreTexImageFunc */ + fetch_texel_1d_ycbcr, /* FetchTexel1D */ + fetch_texel_2d_ycbcr, /* FetchTexel2D */ + fetch_texel_3d_ycbcr, /* FetchTexel3D */ + fetch_texel_1d_f_ycbcr, /* FetchTexel1Df */ + fetch_texel_2d_f_ycbcr, /* FetchTexel2Df */ + fetch_texel_3d_f_ycbcr, /* FetchTexel3Df */ +}; + +const struct gl_texture_format _mesa_texformat_ycbcr_rev = { + MESA_FORMAT_YCBCR_REV, /* MesaFormat */ + GL_YCBCR_MESA, /* BaseFormat */ + GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + _mesa_texstore_ycbcr, /* StoreTexImageFunc */ + fetch_texel_1d_ycbcr_rev, /* FetchTexel1D */ + fetch_texel_2d_ycbcr_rev, /* FetchTexel2D */ + fetch_texel_3d_ycbcr_rev, /* FetchTexel3D */ + fetch_texel_1d_f_ycbcr_rev, /* FetchTexel1Df */ + fetch_texel_2d_f_ycbcr_rev, /* FetchTexel2Df */ + fetch_texel_3d_f_ycbcr_rev, /* FetchTexel3Df */ +}; + +/*@}*/ + + +/***************************************************************/ +/** \name Null format (useful for proxy textures) */ +/*@{*/ + +const struct gl_texture_format _mesa_null_texformat = { + -1, /* MesaFormat */ + 0, /* BaseFormat */ + GL_NONE, /* DataType */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 0, /* TexelBytes */ + NULL, /* StoreTexImageFunc */ + fetch_null_texel, /* FetchTexel1D */ + fetch_null_texel, /* FetchTexel2D */ + fetch_null_texel, /* FetchTexel3D */ + fetch_null_texelf, /* FetchTexel1Df */ + fetch_null_texelf, /* FetchTexel2Df */ + fetch_null_texelf, /* FetchTexel3Df */ +}; + +/*@}*/ + + +/** + * Choose an appropriate texture format given the format, type and + * internalFormat parameters passed to glTexImage(). + * + * \param ctx the GL context. + * \param internalFormat user's prefered internal texture format. + * \param format incoming image pixel format. + * \param type incoming image data type. + * + * \return a pointer to a gl_texture_format object which describes the + * choosen texture format, or NULL on failure. + * + * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers + * will typically override this function with a specialized version. + */ +const struct gl_texture_format * +_mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type ) +{ + (void) format; + (void) type; + + switch (internalFormat) { + /* RGBA formats */ + case 4: + case GL_RGBA: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return &_mesa_texformat_rgba; + case GL_RGBA8: + return &_mesa_texformat_rgba8888; + case GL_RGB5_A1: + return &_mesa_texformat_argb1555; + case GL_RGBA2: + return &_mesa_texformat_argb4444_rev; /* just to test another format*/ + case GL_RGBA4: + return &_mesa_texformat_argb4444; + + /* RGB formats */ + case 3: + case GL_RGB: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return &_mesa_texformat_rgb; + case GL_RGB8: + return &_mesa_texformat_rgb888; + case GL_R3_G3_B2: + return &_mesa_texformat_rgb332; + case GL_RGB4: + return &_mesa_texformat_rgb565_rev; /* just to test another format */ + case GL_RGB5: + return &_mesa_texformat_rgb565; + + /* Alpha formats */ + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA12: + case GL_ALPHA16: + return &_mesa_texformat_alpha; + case GL_ALPHA8: + return &_mesa_texformat_a8; + + /* Luminance formats */ + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return &_mesa_texformat_luminance; + case GL_LUMINANCE8: + return &_mesa_texformat_l8; + + /* Luminance/Alpha formats */ + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return &_mesa_texformat_luminance_alpha; + case GL_LUMINANCE8_ALPHA8: + return &_mesa_texformat_al88; + + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY12: + case GL_INTENSITY16: + return &_mesa_texformat_intensity; + case GL_INTENSITY8: + return &_mesa_texformat_i8; + + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + case GL_COLOR_INDEX8_EXT: + return &_mesa_texformat_ci8; + + default: + ; /* fallthrough */ + } + + if (ctx->Extensions.SGIX_depth_texture) { + switch (internalFormat) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT24_SGIX: + case GL_DEPTH_COMPONENT32_SGIX: + return &_mesa_texformat_depth_component_float32; + case GL_DEPTH_COMPONENT16_SGIX: + return &_mesa_texformat_depth_component16; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.ARB_texture_compression) { + switch (internalFormat) { + case GL_COMPRESSED_ALPHA_ARB: + return &_mesa_texformat_alpha; + case GL_COMPRESSED_LUMINANCE_ARB: + return &_mesa_texformat_luminance; + case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: + return &_mesa_texformat_luminance_alpha; + case GL_COMPRESSED_INTENSITY_ARB: + return &_mesa_texformat_intensity; + case GL_COMPRESSED_RGB_ARB: + if (ctx->Extensions.TDFX_texture_compression_FXT1) + return &_mesa_texformat_rgb_fxt1; + else if (ctx->Extensions.EXT_texture_compression_s3tc || + ctx->Extensions.S3_s3tc) + return &_mesa_texformat_rgb_dxt1; + else + return &_mesa_texformat_rgb; + case GL_COMPRESSED_RGBA_ARB: + if (ctx->Extensions.TDFX_texture_compression_FXT1) + return &_mesa_texformat_rgba_fxt1; + else if (ctx->Extensions.EXT_texture_compression_s3tc || + ctx->Extensions.S3_s3tc) + return &_mesa_texformat_rgba_dxt3; /* Not rgba_dxt1, see spec */ + else + return &_mesa_texformat_rgba; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.MESA_ycbcr_texture) { + if (internalFormat == GL_YCBCR_MESA) { + if (type == GL_UNSIGNED_SHORT_8_8_MESA) + return &_mesa_texformat_ycbcr; + else + return &_mesa_texformat_ycbcr_rev; + } + } + + if (ctx->Extensions.TDFX_texture_compression_FXT1) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + return &_mesa_texformat_rgb_fxt1; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return &_mesa_texformat_rgba_fxt1; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.EXT_texture_compression_s3tc) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + return &_mesa_texformat_rgb_dxt1; + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + return &_mesa_texformat_rgba_dxt1; + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + return &_mesa_texformat_rgba_dxt3; + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + return &_mesa_texformat_rgba_dxt5; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.S3_s3tc) { + switch (internalFormat) { + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + return &_mesa_texformat_rgb_dxt1; + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + return &_mesa_texformat_rgba_dxt3; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.ARB_texture_float) { + switch (internalFormat) { + case GL_ALPHA16F_ARB: + return &_mesa_texformat_alpha_float16; + case GL_ALPHA32F_ARB: + return &_mesa_texformat_alpha_float32; + case GL_LUMINANCE16F_ARB: + return &_mesa_texformat_luminance_float16; + case GL_LUMINANCE32F_ARB: + return &_mesa_texformat_luminance_float32; + case GL_LUMINANCE_ALPHA16F_ARB: + return &_mesa_texformat_luminance_alpha_float16; + case GL_LUMINANCE_ALPHA32F_ARB: + return &_mesa_texformat_luminance_alpha_float32; + case GL_INTENSITY16F_ARB: + return &_mesa_texformat_intensity_float16; + case GL_INTENSITY32F_ARB: + return &_mesa_texformat_intensity_float32; + case GL_RGB16F_ARB: + return &_mesa_texformat_rgb_float16; + case GL_RGB32F_ARB: + return &_mesa_texformat_rgb_float32; + case GL_RGBA16F_ARB: + return &_mesa_texformat_rgba_float16; + case GL_RGBA32F_ARB: + return &_mesa_texformat_rgba_float32; + default: + ; /* fallthrough */ + } + } + + _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()"); + return NULL; +} diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h new file mode 100644 index 0000000..35522d6 --- /dev/null +++ b/src/mesa/main/texformat.h @@ -0,0 +1,229 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texformat.h + * Texture formats definitions. + * + * \author Gareth Hughes + */ + + +#ifndef TEXFORMAT_H +#define TEXFORMAT_H + + +#include "mtypes.h" + + +/** + * Mesa internal texture image formats. + * All texture images are stored in one of these formats. + * + * NOTE: when you add a new format, be sure to update the do_row() + * function in texstore.c used for auto mipmap generation. + */ +enum _format { + /** + * \name Hardware-friendly formats. + * + * Drivers can override the default formats and convert texture images to + * one of these as required. The driver's + * dd_function_table::ChooseTextureFormat function will choose one of these + * formats. + * + * \note In the default case, some of these formats will be duplicates of + * the generic formats listed below. However, these formats guarantee their + * internal component sizes, while GLchan may vary between GLubyte, GLushort + * and GLfloat. + */ + /*@{*/ + /* msb <------ TEXEL BITS -----------> lsb */ + /* ---- ---- ---- ---- ---- ---- ---- ---- */ + MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */ + MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */ + MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */ + MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */ + MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */ + MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */ + MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */ + MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */ + MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */ + MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */ + MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */ + MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */ + MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */ + MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */ + MESA_FORMAT_RGB332, /* RRRG GGBB */ + MESA_FORMAT_A8, /* AAAA AAAA */ + MESA_FORMAT_L8, /* LLLL LLLL */ + MESA_FORMAT_I8, /* IIII IIII */ + MESA_FORMAT_CI8, /* CCCC CCCC */ + MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */ + MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */ + /*@}*/ + + /** + * \name Compressed texture formats. + */ + /*@{*/ + MESA_FORMAT_RGB_FXT1, + MESA_FORMAT_RGBA_FXT1, + MESA_FORMAT_RGB_DXT1, + MESA_FORMAT_RGBA_DXT1, + MESA_FORMAT_RGBA_DXT3, + MESA_FORMAT_RGBA_DXT5, + /*@}*/ + + /** + * \name Generic GLchan-based formats. + * + * Software-oriented texture formats. Texels are arrays of GLchan + * values so there are no byte order issues. + * + * \note Because these are based on the GLchan data type, one cannot assume + * 8 bits per channel with these formats. If you require GLubyte channels, + * use one of the hardware formats above. + */ + /*@{*/ + MESA_FORMAT_RGBA, + MESA_FORMAT_RGB, + MESA_FORMAT_ALPHA, + MESA_FORMAT_LUMINANCE, + MESA_FORMAT_LUMINANCE_ALPHA, + MESA_FORMAT_INTENSITY, + /*@}*/ + + /** + * Depth textures + */ + /*@{*/ + MESA_FORMAT_DEPTH_COMPONENT_FLOAT32, + MESA_FORMAT_DEPTH_COMPONENT16, + /*@}*/ + + /** + * \name Floating point texture formats. + */ + /*@{*/ + MESA_FORMAT_RGBA_FLOAT32, + MESA_FORMAT_RGBA_FLOAT16, + MESA_FORMAT_RGB_FLOAT32, + MESA_FORMAT_RGB_FLOAT16, + MESA_FORMAT_ALPHA_FLOAT32, + MESA_FORMAT_ALPHA_FLOAT16, + MESA_FORMAT_LUMINANCE_FLOAT32, + MESA_FORMAT_LUMINANCE_FLOAT16, + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, + MESA_FORMAT_INTENSITY_FLOAT32, + MESA_FORMAT_INTENSITY_FLOAT16 + /*@}*/ +}; + + +/** GLchan-valued formats */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_rgba; +extern const struct gl_texture_format _mesa_texformat_rgb; +extern const struct gl_texture_format _mesa_texformat_alpha; +extern const struct gl_texture_format _mesa_texformat_luminance; +extern const struct gl_texture_format _mesa_texformat_luminance_alpha; +extern const struct gl_texture_format _mesa_texformat_intensity; +/*@}*/ + +/** Depth textures */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_depth_component_float32; +extern const struct gl_texture_format _mesa_texformat_depth_component16; +/*@}*/ + +/** Floating point texture formats */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_rgba_float32; +extern const struct gl_texture_format _mesa_texformat_rgba_float16; +extern const struct gl_texture_format _mesa_texformat_rgb_float32; +extern const struct gl_texture_format _mesa_texformat_rgb_float16; +extern const struct gl_texture_format _mesa_texformat_alpha_float32; +extern const struct gl_texture_format _mesa_texformat_alpha_float16; +extern const struct gl_texture_format _mesa_texformat_luminance_float32; +extern const struct gl_texture_format _mesa_texformat_luminance_float16; +extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float32; +extern const struct gl_texture_format _mesa_texformat_luminance_alpha_float16; +extern const struct gl_texture_format _mesa_texformat_intensity_float32; +extern const struct gl_texture_format _mesa_texformat_intensity_float16; +/*@}*/ + +/** \name Assorted hardware-friendly formats */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_rgba8888; +extern const struct gl_texture_format _mesa_texformat_rgba8888_rev; +extern const struct gl_texture_format _mesa_texformat_argb8888; +extern const struct gl_texture_format _mesa_texformat_argb8888_rev; +extern const struct gl_texture_format _mesa_texformat_rgb888; +extern const struct gl_texture_format _mesa_texformat_bgr888; +extern const struct gl_texture_format _mesa_texformat_rgb565; +extern const struct gl_texture_format _mesa_texformat_rgb565_rev; +extern const struct gl_texture_format _mesa_texformat_argb4444; +extern const struct gl_texture_format _mesa_texformat_argb4444_rev; +extern const struct gl_texture_format _mesa_texformat_argb1555; +extern const struct gl_texture_format _mesa_texformat_argb1555_rev; +extern const struct gl_texture_format _mesa_texformat_al88; +extern const struct gl_texture_format _mesa_texformat_al88_rev; +extern const struct gl_texture_format _mesa_texformat_rgb332; +extern const struct gl_texture_format _mesa_texformat_a8; +extern const struct gl_texture_format _mesa_texformat_l8; +extern const struct gl_texture_format _mesa_texformat_i8; +extern const struct gl_texture_format _mesa_texformat_ci8; + +/*@}*/ + +/** \name YCbCr formats */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_ycbcr; +extern const struct gl_texture_format _mesa_texformat_ycbcr_rev; +/*@}*/ + +/** \name Compressed formats */ +/*@{*/ +extern const struct gl_texture_format _mesa_texformat_rgb_fxt1; +extern const struct gl_texture_format _mesa_texformat_rgba_fxt1; +extern const struct gl_texture_format _mesa_texformat_rgb_dxt1; +extern const struct gl_texture_format _mesa_texformat_rgba_dxt1; +extern const struct gl_texture_format _mesa_texformat_rgba_dxt3; +extern const struct gl_texture_format _mesa_texformat_rgba_dxt5; +/*@}*/ + +/** \name The null format */ +/*@{*/ +extern const struct gl_texture_format _mesa_null_texformat; +/*@}*/ + + +extern const struct gl_texture_format * +_mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type ); + +#endif diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h new file mode 100644 index 0000000..7f12671 --- /dev/null +++ b/src/mesa/main/texformat_tmp.h @@ -0,0 +1,1247 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texformat_tmp.h + * Texel fetch functions template. + * + * This template file is used by texformat.c to generate texel fetch functions + * for 1-D, 2-D and 3-D texture images. + * + * It should be expanded by defining \p DIM as the number texture dimensions + * (1, 2 or 3). According to the value of \p DIM a series of macros is defined + * for the texel lookup in the gl_texture_image::Data. + * + * \sa texformat.c and FetchTexel. + * + * \author Gareth Hughes + * \author Brian Paul + */ + + +#if DIM == 1 + +#define CHAN_SRC( t, i, j, k, sz ) \ + ((void) (j), (void) (k), \ + ((GLchan *)(t)->Data + (i) * (sz))) +#define UBYTE_SRC( t, i, j, k, sz ) \ + ((void) (j), (void) (k), \ + ((GLubyte *)(t)->Data + (i) * (sz))) +#define USHORT_SRC( t, i, j, k ) \ + ((void) (j), (void) (k), \ + ((GLushort *)(t)->Data + (i))) +#define UINT_SRC( t, i, j, k ) \ + ((void) (j), (void) (k), \ + ((GLuint *)(t)->Data + (i))) +#define FLOAT_SRC( t, i, j, k, sz ) \ + ((void) (j), (void) (k), \ + ((GLfloat *)(t)->Data + (i) * (sz))) +#define HALF_SRC( t, i, j, k, sz ) \ + ((void) (j), (void) (k), \ + ((GLhalfARB *)(t)->Data + (i) * (sz))) + +#define FETCH(x) fetch_texel_1d_##x + +#elif DIM == 2 + +#define CHAN_SRC( t, i, j, k, sz ) \ + ((void) (k), \ + ((GLchan *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))) +#define UBYTE_SRC( t, i, j, k, sz ) \ + ((void) (k), \ + ((GLubyte *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))) +#define USHORT_SRC( t, i, j, k ) \ + ((void) (k), \ + ((GLushort *)(t)->Data + ((t)->RowStride * (j) + (i)))) +#define UINT_SRC( t, i, j, k ) \ + ((void) (k), \ + ((GLuint *)(t)->Data + ((t)->RowStride * (j) + (i)))) +#define FLOAT_SRC( t, i, j, k, sz ) \ + ((void) (k), \ + ((GLfloat *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))) +#define HALF_SRC( t, i, j, k, sz ) \ + ((void) (k), \ + ((GLhalfARB *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))) + +#define FETCH(x) fetch_texel_2d_##x + +#elif DIM == 3 + +#define CHAN_SRC( t, i, j, k, sz ) \ + (GLchan *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i)) * (sz) +#define UBYTE_SRC( t, i, j, k, sz ) \ + ((GLubyte *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i)) * (sz)) +#define USHORT_SRC( t, i, j, k ) \ + ((GLushort *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i))) +#define UINT_SRC( t, i, j, k ) \ + ((GLuint *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i))) +#define FLOAT_SRC( t, i, j, k, sz ) \ + ((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i)) * (sz)) +#define HALF_SRC( t, i, j, k, sz ) \ + ((GLhalfARB *)(t)->Data + (((t)->Height * (k) + (j)) * \ + (t)->RowStride + (i)) * (sz)) + +#define FETCH(x) fetch_texel_3d_##x + +#else +#error illegal number of texture dimensions +#endif + + +/* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLchans */ +static void FETCH(rgba)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 ); + COPY_CHAN4( texel, src ); +} + +/* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLfloats */ +static void FETCH(f_rgba)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = CHAN_TO_FLOAT(src[0]); + texel[GCOMP] = CHAN_TO_FLOAT(src[1]); + texel[BCOMP] = CHAN_TO_FLOAT(src[2]); + texel[ACOMP] = CHAN_TO_FLOAT(src[3]); +} + + +/* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLchans */ +static void FETCH(rgb)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLfloats */ +static void FETCH(f_rgb)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = CHAN_TO_FLOAT(src[0]); + texel[GCOMP] = CHAN_TO_FLOAT(src[1]); + texel[BCOMP] = CHAN_TO_FLOAT(src[2]); + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLchans */ +static void FETCH(alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + texel[ACOMP] = src[0]; +} + +/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLfloats */ +static void FETCH(f_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0; + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); +} + +/* Fetch texel from 1D, 2D or 3D LUMIN texture, returning 4 GLchans */ +static void FETCH(luminance)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D LUMIN texture, returning 4 GLchans */ +static void FETCH(f_luminance)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLchans */ +static void FETCH(luminance_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[0]; + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +/* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLfloats */ +static void FETCH(f_luminance_alpha)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = CHAN_TO_FLOAT(src[0]); + texel[ACOMP] = CHAN_TO_FLOAT(src[1]); +} + + +/* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLchans */ +static void FETCH(intensity)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[0]; + texel[BCOMP] = src[0]; + texel[ACOMP] = src[0]; +} + +/* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLfloats */ +static void FETCH(f_intensity)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = CHAN_TO_FLOAT(src[0]); +} + + +/* Fetch depth texel from 1D, 2D or 3D float32 DEPTH texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_depth_component_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[0] = src[0]; +} + + +/* Fetch depth texel from 1D, 2D or 3D float32 DEPTH texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_depth_component16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + texel[0] = src[0] * (1.0F / 65535.0F); +} + + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 4 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]); + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[3]); +} + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = src[3]; +} + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 4 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1])); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2])); + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[3])); +} + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 4 ); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = _mesa_half_to_float(src[3]); +} + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 3 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 3 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1])); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2])); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[0]); +} + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = src[0]; +} + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[0])); +} + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 2 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[1]); +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 2 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[1])); +} + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = _mesa_half_to_float(src[1]); +} + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = texel[RCOMP]; +} + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = src[0]; +} + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = texel[RCOMP]; +} + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + + + +/* + * Begin Hardware formats + */ + +/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLchans */ +static void FETCH(rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_CHAN( (s >> 24) ); + texel[GCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); +} + +/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */ +static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + + +/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ +static void FETCH(rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); + texel[GCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); + texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) ); +} + +/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLfloats */ +static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + + +/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ +static void FETCH(argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) ); +} + +/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLfloats */ +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + + +/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLchans */ +static void FETCH(argb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_CHAN( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_CHAN( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_CHAN( (s >> 24) ); + texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff ); +} + + +/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *UINT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + + +/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ +static void FETCH(rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLfloats */ +static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ +static void FETCH(bgr888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[GCOMP] = UBYTE_TO_CHAN( src[1] ); + texel[BCOMP] = UBYTE_TO_CHAN( src[2] ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLfloats */ +static void FETCH(f_bgr888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 ); + texel[RCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ +static void FETCH(rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLfloats */ +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = ((s >> 8) & 0xf8) * (1.0F / 248.0F); + texel[GCOMP] = ((s >> 3) & 0xfc) * (1.0F / 252.0F); + texel[BCOMP] = ((s << 3) & 0xf8) * (1.0F / 248.0F); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ +static void FETCH(rgb565_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLfloats */ +static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ + texel[RCOMP] = ((s >> 8) & 0xf8) * (1.0F / 248.0F); + texel[GCOMP] = ((s >> 3) & 0xfc) * (1.0F / 252.0F); + texel[BCOMP] = ((s << 3) & 0xf8) * (1.0F / 248.0F); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ +static void FETCH(argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); +} + +/* Fetch texel from 1D, 2D or 3D argb4444 texture, return 4 GLfloats */ +static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); +} + + +/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ +static void FETCH(argb4444_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf ); +} + +/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLfloats */ +static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); +} + + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); +} + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLfloats */ +static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = *src; + texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s >> 15) & 0x01); +} + + +/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ +static void FETCH(argb1555_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ + texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0x1f) * 255 / 0x1f ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0x1f) * 255 / 0x1f ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0x1f) * 255 / 0x1f ); + texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 ); +} + +/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLfloats */ +static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ + texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s >> 15) & 0x01); +} + + +/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ +static void FETCH(al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_CHAN( s & 0xff ); + texel[ACOMP] = UBYTE_TO_CHAN( s >> 8 ); +} + +/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLfloats */ +static void FETCH(f_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); +} + + +/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ +static void FETCH(al88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_CHAN( s >> 8 ); + texel[ACOMP] = UBYTE_TO_CHAN( s & 0xff ); +} + +/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLfloats */ +static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *USHORT_SRC( texImage, i, j, k ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); +} + + +/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ +static void FETCH(rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + const GLubyte s = *src; + texel[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 ); + texel[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 ); + texel[BCOMP] = UBYTE_TO_CHAN( ((s << 6) & 0xc0) * 255 / 0xc0 ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLfloats */ +static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + const GLubyte s = *src; + texel[RCOMP] = ((s ) & 0xe0) * (1.0F / 224.0F); + texel[GCOMP] = ((s << 3) & 0xe0) * (1.0F / 224.0F); + texel[BCOMP] = ((s << 6) & 0xc0) * (1.0F / 192.0F); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +static void FETCH(a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); +} + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLfloats */ +static void FETCH(f_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + + +/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ +static void FETCH(l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLfloats */ +static void FETCH(f_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ +static void FETCH(i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); +} + +/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLfloats */ +static void FETCH(f_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + + +/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a + * color table, and return 4 GLchans. + */ +static void FETCH(ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); + const struct gl_color_table *palette; + const GLchan *table; + GLuint index; + GET_CURRENT_CONTEXT(ctx); + + if (ctx->Texture.SharedPalette) { + palette = &ctx->Texture.Palette; + } + else { + palette = &texImage->TexObject->Palette; + } + if (palette->Size == 0) + return; /* undefined results */ + ASSERT(palette->Type != GL_FLOAT); + table = (const GLchan *) palette->Table; + + /* Mask the index against size of palette to avoid going out of bounds */ + index = (*src) & (palette->Size - 1); + + switch (palette->Format) { + case GL_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + texel[ACOMP] = table[index]; + return; + case GL_LUMINANCE: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index]; + texel[ACOMP] = CHAN_MAX; + break; + case GL_INTENSITY: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = table[index]; + return; + case GL_LUMINANCE_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index * 2 + 0]; + texel[ACOMP] = table[index * 2 + 1]; + return; + case GL_RGB: + texel[RCOMP] = table[index * 3 + 0]; + texel[GCOMP] = table[index * 3 + 1]; + texel[BCOMP] = table[index * 3 + 2]; + texel[ACOMP] = CHAN_MAX; + return; + case GL_RGBA: + texel[RCOMP] = table[index * 4 + 0]; + texel[GCOMP] = table[index * 4 + 1]; + texel[BCOMP] = table[index * 4 + 2]; + texel[ACOMP] = table[index * 4 + 3]; + return; + default: + _mesa_problem(ctx, "Bad palette format in palette_sample"); + } +} + + +/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a + * color table, and return 4 GLfloats. + */ +static void FETCH(f_ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + GLchan rgba[4]; + /* Sample as GLchan */ + FETCH(ci8)(texImage, i, j, k, rgba); + /* and return as floats */ + texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); +} + + +/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLchans */ +/* We convert YCbCr to RGB here */ +/* XXX this may break if GLchan != GLubyte */ +static void FETCH(ycbcr)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ + const GLubyte cb = *src0 & 0xff; /* chroma U */ + const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ + const GLubyte cr = *src1 & 0xff; /* chroma V */ + GLint r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); + } + texel[RCOMP] = CLAMP(r, 0, CHAN_MAX); + texel[GCOMP] = CLAMP(g, 0, CHAN_MAX); + texel[BCOMP] = CLAMP(b, 0, CHAN_MAX); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats */ +/* We convert YCbCr to RGB here */ +static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ + const GLubyte cb = *src0 & 0xff; /* chroma U */ + const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ + const GLubyte cr = *src1 & 0xff; /* chroma V */ + GLfloat r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y0-16) + 2.018 * (cb-128)); + } + /* XXX remove / 255 here by tweaking arithmetic above */ + r /= 255.0; + g /= 255.0; + b /= 255.0; + /* XXX should we really clamp??? */ + texel[RCOMP] = CLAMP(r, 0.0, 1.0); + texel[GCOMP] = CLAMP(g, 0.0, 1.0); + texel[BCOMP] = CLAMP(b, 0.0, 1.0); + texel[ACOMP] = CHAN_MAXF; +} + + +/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLchans */ +/* We convert YCbCr to RGB here */ +/* XXX this may break if GLchan != GLubyte */ +static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = *src0 & 0xff; /* luminance */ + const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ + const GLubyte y1 = *src1 & 0xff; /* luminance */ + const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ + GLint r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128)); + } + texel[RCOMP] = CLAMP(r, 0, CHAN_MAX); + texel[GCOMP] = CLAMP(g, 0, CHAN_MAX); + texel[BCOMP] = CLAMP(b, 0, CHAN_MAX); + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats */ +/* We convert YCbCr to RGB here */ +static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = USHORT_SRC( texImage, (i & ~1), j, k ); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = *src0 & 0xff; /* luminance */ + const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ + const GLubyte y1 = *src1 & 0xff; /* luminance */ + const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ + GLfloat r, g, b; + if (i & 1) { + /* odd pixel: use y1,cr,cb */ + r = (1.164 * (y1-16) + 1.596 * (cr-128)); + g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y1-16) + 2.018 * (cb-128)); + } + else { + /* even pixel: use y0,cr,cb */ + r = (1.164 * (y0-16) + 1.596 * (cr-128)); + g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128)); + b = (1.164 * (y0-16) + 2.018 * (cb-128)); + } + /* XXX remove / 255 here by tweaking arithmetic above */ + r /= 255.0; + g /= 255.0; + b /= 255.0; + /* XXX should we really clamp??? */ + texel[RCOMP] = CLAMP(r, 0.0, 1.0); + texel[GCOMP] = CLAMP(g, 0.0, 1.0); + texel[BCOMP] = CLAMP(b, 0.0, 1.0); + texel[ACOMP] = CHAN_MAXF; +} + + + +#undef CHAN_SRC +#undef UBYTE_SRC +#undef USHORT_SRC +#undef UINT_SRC +#undef FLOAT_SRC +#undef HALF_SRC +#undef FETCH +#undef DIM diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c new file mode 100644 index 0000000..87bb627 --- /dev/null +++ b/src/mesa/main/teximage.c @@ -0,0 +1,3368 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file teximage.c + * Texture images manipulation functions. + * + * \note Mesa's native texture data type is GLchan. Native formats are + * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA, and + * GL_COLOR_INDEX. + * + * \note Device drivers are free to implement any internal format they want. + */ + + +#include "glheader.h" +#include "context.h" +#include "convolve.h" +#include "image.h" +#include "imports.h" +#include "macros.h" +#include "state.h" +#include "texcompress.h" +#include "texformat.h" +#include "teximage.h" +#include "texstate.h" +#include "texstore.h" +#include "mtypes.h" + + +#if 0 +static void PrintTexture(GLcontext *ctx, const struct gl_texture_image *img) +{ +#if CHAN_TYPE == GL_FLOAT + _mesa_problem(NULL, "PrintTexture doesn't support float channels"); +#else + GLuint i, j, c; + const GLchan *data = (const GLchan *) img->Data; + + if (!data) { + _mesa_printf("No texture data\n"); + return; + } + + switch (img->Format) { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_INTENSITY: + case GL_COLOR_INDEX: + c = 1; + break; + case GL_LUMINANCE_ALPHA: + c = 2; + break; + case GL_RGB: + c = 3; + break; + case GL_RGBA: + c = 4; + break; + default: + _mesa_problem(NULL, "error in PrintTexture\n"); + return; + } + + for (i = 0; i < img->Height; i++) { + for (j = 0; j < img->Width; j++) { + if (c==1) + _mesa_printf("%02x ", data[0]); + else if (c==2) + _mesa_printf("%02x%02x ", data[0], data[1]); + else if (c==3) + _mesa_printf("%02x%02x%02x ", data[0], data[1], data[2]); + else if (c==4) + _mesa_printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]); + data += (img->RowStride - img->Width) * c; + } + _mesa_printf("\n"); + } +#endif +} +#endif + + +/* + * Compute floor(log_base_2(n)). + * If n < 0 return -1. + */ +static int +logbase2( int n ) +{ + GLint i = 1; + GLint log2 = 0; + + if (n < 0) + return -1; + + if (n == 0) + return 0; + + while ( n > i ) { + i *= 2; + log2++; + } + if (i != n) { + return log2 - 1; + } + else { + return log2; + } +} + + + +/** + * Return the simple base format for a given internal texture format. + * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA. + * + * \param ctx GL context. + * \param internalFormat the internal texture format token or 1, 2, 3, or 4. + * + * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE, + * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum. + * + * This is the format which is used during texture application (i.e. the + * texture format and env mode determine the arithmetic used. + */ +GLint +_mesa_base_tex_format( GLcontext *ctx, GLint internalFormat ) +{ + switch (internalFormat) { + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + return GL_ALPHA; + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return GL_LUMINANCE; + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return GL_LUMINANCE_ALPHA; + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + return GL_INTENSITY; + case 3: + case GL_RGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return GL_RGB; + case 4: + case GL_RGBA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return GL_RGBA; + default: + ; /* fallthrough */ + } + + if (ctx->Extensions.EXT_paletted_texture) { + switch (internalFormat) { + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + return GL_COLOR_INDEX; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.SGIX_depth_texture) { + switch (internalFormat) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16_SGIX: + case GL_DEPTH_COMPONENT24_SGIX: + case GL_DEPTH_COMPONENT32_SGIX: + return GL_DEPTH_COMPONENT; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.ARB_texture_compression) { + switch (internalFormat) { + case GL_COMPRESSED_ALPHA: + return GL_ALPHA; + case GL_COMPRESSED_LUMINANCE: + return GL_LUMINANCE; + case GL_COMPRESSED_LUMINANCE_ALPHA: + return GL_LUMINANCE_ALPHA; + case GL_COMPRESSED_INTENSITY: + return GL_INTENSITY; + case GL_COMPRESSED_RGB: + return GL_RGB; + case GL_COMPRESSED_RGBA: + return GL_RGBA; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.TDFX_texture_compression_FXT1) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + return GL_RGB; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return GL_RGBA; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.EXT_texture_compression_s3tc) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + return GL_RGB; + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + return GL_RGBA; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.S3_s3tc) { + switch (internalFormat) { + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + return GL_RGB; + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + return GL_RGBA; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.MESA_ycbcr_texture) { + if (internalFormat == GL_YCBCR_MESA) + return GL_YCBCR_MESA; + } + + if (ctx->Extensions.ARB_texture_float) { + switch (internalFormat) { + case GL_ALPHA16F_ARB: + case GL_ALPHA32F_ARB: + return GL_ALPHA; + case GL_RGBA16F_ARB: + case GL_RGBA32F_ARB: + return GL_RGBA; + case GL_RGB16F_ARB: + case GL_RGB32F_ARB: + return GL_RGB; + case GL_INTENSITY16F_ARB: + case GL_INTENSITY32F_ARB: + return GL_INTENSITY; + case GL_LUMINANCE16F_ARB: + case GL_LUMINANCE32F_ARB: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA16F_ARB: + case GL_LUMINANCE_ALPHA32F_ARB: + return GL_LUMINANCE_ALPHA; + default: + ; /* fallthrough */ + } + } + + return -1; /* error */ +} + + +/** + * Test if the given image format is a color/RGBA format (i.e., not color + * index, depth, stencil, etc). + * \param format the image format value (may by an internal texture format) + * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise. + */ +static GLboolean +is_color_format(GLenum format) +{ + switch (format) { + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case 3: + case GL_RGB: + case GL_BGR: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + case 4: + case GL_ABGR_EXT: + case GL_RGBA: + case GL_BGRA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + /* float texture formats */ + case GL_ALPHA16F_ARB: + case GL_ALPHA32F_ARB: + case GL_LUMINANCE16F_ARB: + case GL_LUMINANCE32F_ARB: + case GL_LUMINANCE_ALPHA16F_ARB: + case GL_LUMINANCE_ALPHA32F_ARB: + case GL_INTENSITY16F_ARB: + case GL_INTENSITY32F_ARB: + case GL_RGB16F_ARB: + case GL_RGB32F_ARB: + case GL_RGBA16F_ARB: + case GL_RGBA32F_ARB: + /* compressed formats */ + case GL_COMPRESSED_ALPHA: + case GL_COMPRESSED_LUMINANCE: + case GL_COMPRESSED_LUMINANCE_ALPHA: + case GL_COMPRESSED_INTENSITY: + case GL_COMPRESSED_RGB: + case GL_COMPRESSED_RGBA: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return GL_TRUE; + case GL_YCBCR_MESA: /* not considered to be RGB */ + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a color index format. + */ +static GLboolean +is_index_format(GLenum format) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a depth component format. + */ +static GLboolean +is_depth_format(GLenum format) +{ + switch (format) { + case GL_DEPTH_COMPONENT16_ARB: + case GL_DEPTH_COMPONENT24_ARB: + case GL_DEPTH_COMPONENT32_ARB: + case GL_DEPTH_COMPONENT: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a YCbCr format. + */ +static GLboolean +is_ycbcr_format(GLenum format) +{ + switch (format) { + case GL_YCBCR_MESA: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if it is a supported compressed format. + * + * \param internalFormat the internal format token provided by the user. + * + * \ret GL_TRUE if \p internalFormat is a supported compressed format, or + * GL_FALSE otherwise. + * + * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX + * are supported. + */ +static GLboolean +is_compressed_format(GLcontext *ctx, GLenum internalFormat) +{ + (void) ctx; + switch (internalFormat) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Store a gl_texture_image pointer in a gl_texture_object structure + * according to the target and level parameters. + * + * \param tObj texture object. + * \param target texture target. + * \param level image level. + * \param texImage texture image. + * + * This was basically prompted by the introduction of cube maps. + */ +void +_mesa_set_tex_image(struct gl_texture_object *tObj, + GLenum target, GLint level, + struct gl_texture_image *texImage) +{ + ASSERT(tObj); + ASSERT(texImage); + switch (target) { + case GL_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + tObj->Image[0][level] = texImage; + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: { + GLuint face = ((GLuint) target - + (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X); + tObj->Image[face][level] = texImage; + break; + } + case GL_TEXTURE_RECTANGLE_NV: + ASSERT(level == 0); + tObj->Image[0][level] = texImage; + break; + default: + _mesa_problem(NULL, "bad target in _mesa_set_tex_image()"); + return; + } + /* Set the 'back' pointer */ + texImage->TexObject = tObj; +} + + +/** + * Allocate a texture image structure. + * + * Called via ctx->Driver.NewTextureImage() unless overriden by a device + * driver. + * + * \return a pointer to gl_texture_image struct with all fields initialized to + * zero. + */ +struct gl_texture_image * +_mesa_new_texture_image( GLcontext *ctx ) +{ + (void) ctx; + return CALLOC_STRUCT(gl_texture_image); +} + + +/** + * Free texture image. + * + * \param teximage texture image. + * + * Free the texture image structure and the associated image data if it's not + * marked as client data. + */ +void +_mesa_delete_texture_image( struct gl_texture_image *teximage ) +{ + if (teximage->Data && !teximage->IsClientData) { + MESA_PBUFFER_FREE( teximage->Data ); + teximage->Data = NULL; + } + FREE( teximage ); +} + + +/** + * Test if a target is a proxy target. + * + * \param target texture target. + * + * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise. + */ +static GLboolean +is_proxy_target(GLenum target) +{ + return (target == GL_PROXY_TEXTURE_1D || + target == GL_PROXY_TEXTURE_2D || + target == GL_PROXY_TEXTURE_3D || + target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || + target == GL_PROXY_TEXTURE_RECTANGLE_NV); +} + + +/** + * Get the texture object that corresponds to the target of the given texture unit. + * + * \param ctx GL context. + * \param texUnit texture unit. + * \param target texture target. + * + * \return pointer to the texture object on success, or NULL on failure. + * + * \sa gl_texture_unit. + */ +struct gl_texture_object * +_mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target) +{ + switch (target) { + case GL_TEXTURE_1D: + return texUnit->Current1D; + case GL_PROXY_TEXTURE_1D: + return ctx->Texture.Proxy1D; + case GL_TEXTURE_2D: + return texUnit->Current2D; + case GL_PROXY_TEXTURE_2D: + return ctx->Texture.Proxy2D; + case GL_TEXTURE_3D: + return texUnit->Current3D; + case GL_PROXY_TEXTURE_3D: + return ctx->Texture.Proxy3D; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_ARB: + return ctx->Extensions.ARB_texture_cube_map + ? texUnit->CurrentCubeMap : NULL; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + return ctx->Extensions.ARB_texture_cube_map + ? ctx->Texture.ProxyCubeMap : NULL; + case GL_TEXTURE_RECTANGLE_NV: + return ctx->Extensions.NV_texture_rectangle + ? texUnit->CurrentRect : NULL; + case GL_PROXY_TEXTURE_RECTANGLE_NV: + return ctx->Extensions.NV_texture_rectangle + ? ctx->Texture.ProxyRect : NULL; + default: + _mesa_problem(NULL, "bad target in _mesa_select_tex_object()"); + return NULL; + } +} + + +/** + * Get the texture image struct which corresponds to target and level + * of the given texture unit. + * + * \param ctx GL context. + * \param texUnit texture unit. + * \param target texture target. + * \param level image level. + * + * \return pointer to the texture image structure on success, or NULL on failure. + * + * \sa gl_texture_unit. + */ +struct gl_texture_image * +_mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target, GLint level) +{ + ASSERT(texUnit); + ASSERT(level < MAX_TEXTURE_LEVELS); + switch (target) { + case GL_TEXTURE_1D: + return texUnit->Current1D->Image[0][level]; + case GL_PROXY_TEXTURE_1D: + return ctx->Texture.Proxy1D->Image[0][level]; + case GL_TEXTURE_2D: + return texUnit->Current2D->Image[0][level]; + case GL_PROXY_TEXTURE_2D: + return ctx->Texture.Proxy2D->Image[0][level]; + case GL_TEXTURE_3D: + return texUnit->Current3D->Image[0][level]; + case GL_PROXY_TEXTURE_3D: + return ctx->Texture.Proxy3D->Image[0][level]; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + if (ctx->Extensions.ARB_texture_cube_map) { + GLuint face = ((GLuint) target - + (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X); + return texUnit->CurrentCubeMap->Image[face][level]; + } + else + return NULL; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + if (ctx->Extensions.ARB_texture_cube_map) + return ctx->Texture.ProxyCubeMap->Image[0][level]; + else + return NULL; + case GL_TEXTURE_RECTANGLE_NV: + if (ctx->Extensions.NV_texture_rectangle) { + ASSERT(level == 0); + return texUnit->CurrentRect->Image[0][level]; + } + else { + return NULL; + } + case GL_PROXY_TEXTURE_RECTANGLE_NV: + if (ctx->Extensions.NV_texture_rectangle) { + ASSERT(level == 0); + return ctx->Texture.ProxyRect->Image[0][level]; + } + else { + return NULL; + } + default: + _mesa_problem(ctx, "bad target in _mesa_select_tex_image()"); + return NULL; + } +} + + +/** + * Like _mesa_select_tex_image() but if the image doesn't exist, allocate + * it and install it. Only return NULL if passed a bad parameter or run + * out of memory. + */ +struct gl_texture_image * +_mesa_get_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target, GLint level) +{ + struct gl_texture_image *texImage; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + if (!texImage) { + struct gl_texture_object *texObj; + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation"); + return NULL; + } + texObj = _mesa_select_tex_object(ctx, texUnit, target); + ASSERT(texObj); + _mesa_set_tex_image(texObj, target, level, texImage); + } + return texImage; +} + + +/** + * Return pointer to the specified proxy texture image. + * Note that proxy textures are per-context, not per-texture unit. + * \return pointer to texture image or NULL if invalid target, invalid + * level, or out of memory. + */ +struct gl_texture_image * +_mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level) +{ + struct gl_texture_image *texImage; + + if (level < 0 ) + return NULL; + + switch (target) { + case GL_PROXY_TEXTURE_1D: + if (level >= ctx->Const.MaxTextureLevels) + return NULL; + texImage = ctx->Texture.Proxy1D->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.Proxy1D->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.Proxy1D; + } + return texImage; + case GL_PROXY_TEXTURE_2D: + if (level >= ctx->Const.MaxTextureLevels) + return NULL; + texImage = ctx->Texture.Proxy2D->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.Proxy2D->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.Proxy2D; + } + return texImage; + case GL_PROXY_TEXTURE_3D: + if (level >= ctx->Const.Max3DTextureLevels) + return NULL; + texImage = ctx->Texture.Proxy3D->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.Proxy3D->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.Proxy3D; + } + return texImage; + case GL_PROXY_TEXTURE_CUBE_MAP: + if (level >= ctx->Const.MaxCubeTextureLevels) + return NULL; + texImage = ctx->Texture.ProxyCubeMap->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.ProxyCubeMap->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.ProxyCubeMap; + } + return texImage; + case GL_PROXY_TEXTURE_RECTANGLE_NV: + if (level > 0) + return NULL; + texImage = ctx->Texture.ProxyRect->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.ProxyRect->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.ProxyRect; + } + return texImage; + default: + return NULL; + } +} + + +/** + * Get the maximum number of allowed mipmap levels. + * + * \param ctx GL context. + * \param target texture target. + * + * \return the maximum number of allowed mipmap levels for the given + * texture target, or zero if passed a bad target. + * + * \sa gl_constants. + */ +GLint +_mesa_max_texture_levels(GLcontext *ctx, GLenum target) +{ + switch (target) { + case GL_TEXTURE_1D: + case GL_PROXY_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_PROXY_TEXTURE_2D: + return ctx->Const.MaxTextureLevels; + case GL_TEXTURE_3D: + case GL_PROXY_TEXTURE_3D: + return ctx->Const.Max3DTextureLevels; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_ARB: + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + return ctx->Const.MaxCubeTextureLevels; + case GL_TEXTURE_RECTANGLE_NV: + case GL_PROXY_TEXTURE_RECTANGLE_NV: + return 1; + default: + return 0; /* bad target */ + } +} + + + +#if 000 /* not used anymore */ +/* + * glTexImage[123]D can accept a NULL image pointer. In this case we + * create a texture image with unspecified image contents per the OpenGL + * spec. + */ +static GLubyte * +make_null_texture(GLint width, GLint height, GLint depth, GLenum format) +{ + const GLint components = _mesa_components_in_format(format); + const GLint numPixels = width * height * depth; + GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte)); + +#ifdef DEBUG + /* + * Let's see if anyone finds this. If glTexImage2D() is called with + * a NULL image pointer then load the texture image with something + * interesting instead of leaving it indeterminate. + */ + if (data) { + static const char message[8][32] = { + " X X XXXXX XXX X ", + " XX XX X X X X X ", + " X X X X X X X ", + " X X XXXX XXX XXXXX ", + " X X X X X X ", + " X X X X X X X ", + " X X XXXXX XXX X X ", + " " + }; + + GLubyte *imgPtr = data; + GLint h, i, j, k; + for (h = 0; h < depth; h++) { + for (i = 0; i < height; i++) { + GLint srcRow = 7 - (i % 8); + for (j = 0; j < width; j++) { + GLint srcCol = j % 32; + GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70; + for (k = 0; k < components; k++) { + *imgPtr++ = texel; + } + } + } + } + } +#endif + + return data; +} +#endif + + + +/** + * Reset the fields of a gl_texture_image struct to zero. + * + * \param img texture image structure. + * + * This is called when a proxy texture test fails, we set all the + * image members (except DriverData) to zero. + * It's also used in glTexImage[123]D as a safeguard to be sure all + * required fields get initialized properly by the Driver.TexImage[123]D + * functions. + */ +static void +clear_teximage_fields(struct gl_texture_image *img) +{ + ASSERT(img); + img->Format = 0; + img->IntFormat = 0; + img->Border = 0; + img->Width = 0; + img->Height = 0; + img->Depth = 0; + img->RowStride = 0; + img->Width2 = 0; + img->Height2 = 0; + img->Depth2 = 0; + img->WidthLog2 = 0; + img->HeightLog2 = 0; + img->DepthLog2 = 0; + img->Data = NULL; + img->TexFormat = &_mesa_null_texformat; + img->FetchTexelc = NULL; + img->FetchTexelf = NULL; + img->IsCompressed = 0; + img->CompressedSize = 0; +} + + +/** + * Initialize basic fields of the gl_texture_image struct. + * + * \param ctx GL context. + * \param target texture target. + * \param img texture image structure to be initialized. + * \param width image width. + * \param height image height. + * \param depth image depth. + * \param border image border. + * \param internalFormat internal format. + * + * Fills in the fields of \p img with the given information. + * Note: width, height and depth include the border. + */ +void +_mesa_init_teximage_fields(GLcontext *ctx, GLenum target, + struct gl_texture_image *img, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum internalFormat) +{ + ASSERT(img); + img->Format = _mesa_base_tex_format( ctx, internalFormat ); + ASSERT(img->Format > 0); + img->IntFormat = internalFormat; + img->Border = border; + img->Width = width; + img->Height = height; + img->Depth = depth; + img->RowStride = width; + img->WidthLog2 = logbase2(width - 2 * border); + if (height == 1) /* 1-D texture */ + img->HeightLog2 = 0; + else + img->HeightLog2 = logbase2(height - 2 * border); + if (depth == 1) /* 2-D texture */ + img->DepthLog2 = 0; + else + img->DepthLog2 = logbase2(depth - 2 * border); + img->Width2 = width - 2 * border; /*1 << img->WidthLog2;*/ + img->Height2 = height - 2 * border; /*1 << img->HeightLog2;*/ + img->Depth2 = depth - 2 * border; /*1 << img->DepthLog2;*/ + img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2); + img->IsCompressed = is_compressed_format(ctx, internalFormat); + if (img->IsCompressed) + img->CompressedSize = ctx->Driver.CompressedTextureSize(ctx, width, + height, depth, internalFormat); + else + img->CompressedSize = 0; + + if ((width == 1 || _mesa_bitcount(width - 2 * border) == 1) && + (height == 1 || _mesa_bitcount(height - 2 * border) == 1) && + (depth == 1 || _mesa_bitcount(depth - 2 * border) == 1)) + img->_IsPowerOfTwo = GL_TRUE; + else + img->_IsPowerOfTwo = GL_FALSE; + + /* Compute Width/Height/DepthScale for mipmap lod computation */ + if (target == GL_TEXTURE_RECTANGLE_NV) { + /* scale = 1.0 since texture coords directly map to texels */ + img->WidthScale = 1.0; + img->HeightScale = 1.0; + img->DepthScale = 1.0; + } + else { + img->WidthScale = (GLfloat) img->Width; + img->HeightScale = (GLfloat) img->Height; + img->DepthScale = (GLfloat) img->Depth; + } +} + + +/** + * This is the fallback for Driver.TestProxyTexImage(). Test the texture + * level, width, height and depth against the ctx->Const limits for textures. + * + * A hardware driver might override this function if, for example, the + * max 3D texture size is 512x512x64 (i.e. not a cube). + * + * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D, + * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV, + * GL_PROXY_TEXTURE_CUBE_MAP_ARB. + * \param level as passed to glTexImage + * \param internalFormat as passed to glTexImage + * \param format as passed to glTexImage + * \param type as passed to glTexImage + * \param width as passed to glTexImage + * \param height as passed to glTexImage + * \param depth as passed to glTexImage + * \param border as passed to glTexImage + * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable. + */ +GLboolean +_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, GLenum format, GLenum type, + GLint width, GLint height, GLint depth, GLint border) +{ + GLint maxSize; + + (void) internalFormat; + (void) format; + (void) type; + + switch (target) { + case GL_PROXY_TEXTURE_1D: + maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + level >= ctx->Const.MaxTextureLevels) { + /* bad width or level */ + return GL_FALSE; + } + return GL_TRUE; + case GL_PROXY_TEXTURE_2D: + maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + height < 2 * border || height > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(height - 2 * border) != 1) || + level >= ctx->Const.MaxTextureLevels) { + /* bad width or height or level */ + return GL_FALSE; + } + return GL_TRUE; + case GL_PROXY_TEXTURE_3D: + maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + height < 2 * border || height > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(height - 2 * border) != 1) || + depth < 2 * border || depth > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(depth - 2 * border) != 1) || + level >= ctx->Const.Max3DTextureLevels) { + /* bad width or height or depth or level */ + return GL_FALSE; + } + return GL_TRUE; + case GL_PROXY_TEXTURE_RECTANGLE_NV: + if (width < 1 || width > ctx->Const.MaxTextureRectSize || + height < 1 || height > ctx->Const.MaxTextureRectSize || + level != 0) { + /* bad width or height or level */ + return GL_FALSE; + } + return GL_TRUE; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + height < 2 * border || height > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(height - 2 * border) != 1) || + level >= ctx->Const.MaxCubeTextureLevels) { + /* bad width or height */ + return GL_FALSE; + } + return GL_TRUE; + default: + _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage"); + return GL_FALSE; + } +} + + +/** + * Test the glTexImage[123]D() parameters for errors. + * + * \param ctx GL context. + * \param target texture target given by the user. + * \param level image level given by the user. + * \param internalFormat internal format given by the user. + * \param format pixel data format given by the user. + * \param type pixel data type given by the user. + * \param dimensions texture image dimensions (must be 1, 2 or 3). + * \param width image width given by the user. + * \param height image height given by the user. + * \param depth image depth given by the user. + * \param border image border given by the user. + * + * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. + * + * Verifies each of the parameters against the constants specified in + * __GLcontextRec::Const and the supported extensions, and according to the + * OpenGL specification. + */ +static GLboolean +texture_error_check( GLcontext *ctx, GLenum target, + GLint level, GLint internalFormat, + GLenum format, GLenum type, + GLuint dimensions, + GLint width, GLint height, + GLint depth, GLint border ) +{ + const GLboolean isProxy = is_proxy_target(target); + GLboolean sizeOK; + + /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ + if (level < 0 || level >= MAX_TEXTURE_LEVELS) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexImage%dD(level=%d)", dimensions, level); + } + return GL_TRUE; + } + + /* Check border */ + if (border < 0 || border > 1 || + ((target == GL_TEXTURE_RECTANGLE_NV || + target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexImage%dD(border=%d)", dimensions, border); + } + return GL_TRUE; + } + + if (width < 0 || height < 0 || depth < 0) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexImage%dD(width, height or depth < 0)", dimensions); + } + return GL_TRUE; + } + + /* Check target and call ctx->Driver.TestProxyTexImage() to check the + * level, width, height and depth. + */ + if (dimensions == 1) { + if (target == GL_PROXY_TEXTURE_1D || target == GL_TEXTURE_1D) { + sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D, + level, internalFormat, + format, type, + width, 1, 1, border); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 2) { + if (target == GL_PROXY_TEXTURE_2D || target == GL_TEXTURE_2D) { + sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D, + level, internalFormat, + format, type, + width, height, 1, border); + } + else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || + (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) { + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); + return GL_TRUE; + } + sizeOK = (width == height) && + ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB, + level, internalFormat, format, type, + width, height, 1, border); + } + else if (target == GL_PROXY_TEXTURE_RECTANGLE_NV || + target == GL_TEXTURE_RECTANGLE_NV) { + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); + return GL_TRUE; + } + sizeOK = ctx->Driver.TestProxyTexImage(ctx, + GL_PROXY_TEXTURE_RECTANGLE_NV, + level, internalFormat, + format, type, + width, height, 1, border); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); + return GL_TRUE; + } + } + else if (dimensions == 3) { + if (target == GL_PROXY_TEXTURE_3D || target == GL_TEXTURE_3D) { + sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_3D, + level, internalFormat, + format, type, + width, height, depth, border); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); + return GL_TRUE; + } + } + else { + _mesa_problem( ctx, "bad dims in texture_error_check" ); + return GL_TRUE; + } + + if (!sizeOK) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)", + dimensions, level, width, height, depth); + } + return GL_TRUE; + } + + /* Check internalFormat */ + if (_mesa_base_tex_format(ctx, internalFormat) < 0) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexImage%dD(internalFormat=0x%x)", + dimensions, internalFormat); + } + return GL_TRUE; + } + + /* Check incoming image format and type */ + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there + * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4. + */ + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexImage%dD(format or type)", dimensions); + } + return GL_TRUE; + } + + /* make sure internal format and format basically agree */ + if ((is_color_format(internalFormat) != is_color_format(format)) || + (is_index_format(internalFormat) != is_index_format(format)) || + (is_depth_format(internalFormat) != is_depth_format(format)) || + (is_ycbcr_format(internalFormat) != is_ycbcr_format(format))) { + if (!isProxy) + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexImage(internalFormat/format)"); + return GL_TRUE; + } + + /* additional checks for ycbcr textures */ + if (internalFormat == GL_YCBCR_MESA) { + ASSERT(ctx->Extensions.MESA_ycbcr_texture); + if (type != GL_UNSIGNED_SHORT_8_8_MESA && + type != GL_UNSIGNED_SHORT_8_8_REV_MESA) { + char message[100]; + _mesa_sprintf(message, + "glTexImage%d(format/type YCBCR mismatch", dimensions); + _mesa_error(ctx, GL_INVALID_ENUM, message); + return GL_TRUE; /* error */ + } + if (target != GL_TEXTURE_2D && + target != GL_PROXY_TEXTURE_2D && + target != GL_TEXTURE_RECTANGLE_NV && + target != GL_PROXY_TEXTURE_RECTANGLE_NV) { + if (!isProxy) + _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)"); + return GL_TRUE; + } + if (border != 0) { + if (!isProxy) { + char message[100]; + _mesa_sprintf(message, + "glTexImage%d(format=GL_YCBCR_MESA and border=%d)", + dimensions, border); + _mesa_error(ctx, GL_INVALID_VALUE, message); + } + return GL_TRUE; + } + } + + /* additional checks for depth textures */ + if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) { + /* Only 1D and 2D textures supported */ + if (target != GL_TEXTURE_1D && + target != GL_PROXY_TEXTURE_1D && + target != GL_TEXTURE_2D && + target != GL_PROXY_TEXTURE_2D) { + if (!isProxy) + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexImage(target/internalFormat)"); + return GL_TRUE; + } + } + + /* additional checks for compressed textures */ + if (is_compressed_format(ctx, internalFormat)) { + if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) { + /* OK */ + } + else if (ctx->Extensions.ARB_texture_cube_map && + (target == GL_PROXY_TEXTURE_CUBE_MAP || + (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) { + /* OK */ + } + else { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexImage%d(target)", dimensions); + return GL_TRUE; + } + } + if (border != 0) { + if (!isProxy) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexImage%D(border!=0)", dimensions); + } + return GL_TRUE; + } + } + + /* if we get here, the parameters are OK */ + return GL_FALSE; +} + + +/** + * Test glTexSubImage[123]D() parameters for errors. + * + * \param ctx GL context. + * \param dimensions texture image dimensions (must be 1, 2 or 3). + * \param target texture target given by the user. + * \param level image level given by the user. + * \param xoffset sub-image x offset given by the user. + * \param yoffset sub-image y offset given by the user. + * \param zoffset sub-image z offset given by the user. + * \param format pixel data format given by the user. + * \param type pixel data type given by the user. + * \param width image width given by the user. + * \param height image height given by the user. + * \param depth image depth given by the user. + * + * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. + * + * Verifies each of the parameters against the constants specified in + * __GLcontextRec::Const and the supported extensions, and according to the + * OpenGL specification. + */ +static GLboolean +subtexture_error_check( GLcontext *ctx, GLuint dimensions, + GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type ) +{ + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_image *destTex; + + /* Check target */ + if (dimensions == 1) { + if (target != GL_TEXTURE_1D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 2) { + if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <=GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (ctx->Extensions.NV_texture_rectangle && + target == GL_TEXTURE_RECTANGLE_NV) { + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (target != GL_TEXTURE_2D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 3) { + if (target != GL_TEXTURE_3D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); + return GL_TRUE; + } + } + else { + _mesa_problem( ctx, "invalid dims in texture_error_check" ); + return GL_TRUE; + } + + /* Basic level check */ + if (level < 0 || level >= MAX_TEXTURE_LEVELS) { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level); + return GL_TRUE; + } + + if (width < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexSubImage%dD(width=%d)", dimensions, width); + return GL_TRUE; + } + if (height < 0 && dimensions > 1) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexSubImage%dD(height=%d)", dimensions, height); + return GL_TRUE; + } + if (depth < 0 && dimensions > 2) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glTexSubImage%dD(depth=%d)", dimensions, depth); + return GL_TRUE; + } + + destTex = _mesa_select_tex_image(ctx, texUnit, target, level); + + if (!destTex) { + /* undefined image level */ + _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions); + return GL_TRUE; + } + + if (xoffset < -((GLint)destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)", + dimensions); + return GL_TRUE; + } + if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)", + dimensions); + return GL_TRUE; + } + if (dimensions > 1) { + if (yoffset < -((GLint)destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)", + dimensions); + return GL_TRUE; + } + if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)", + dimensions); + return GL_TRUE; + } + } + if (dimensions > 2) { + if (zoffset < -((GLint)destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)"); + return GL_TRUE; + } + if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)"); + return GL_TRUE; + } + } + + if (!_mesa_is_legal_format_and_type(ctx, format, type)) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexSubImage%dD(format or type)", dimensions); + return GL_TRUE; + } + + if (destTex->IsCompressed) { + const struct gl_texture_unit *texUnit; + const struct gl_texture_image *texImage; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + + if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) { + /* OK */ + } + else if (ctx->Extensions.ARB_texture_cube_map && + (target == GL_PROXY_TEXTURE_CUBE_MAP || + (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) { + /* OK */ + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexSubImage%D(target)", dimensions); + return GL_TRUE; + } + /* offset must be multiple of 4 */ + if ((xoffset & 3) || (yoffset & 3)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexSubImage%D(xoffset or yoffset)", dimensions); + return GL_TRUE; + } + /* size must be multiple of 4 or equal to whole texture size */ + if ((width & 3) && (GLuint) width != texImage->Width) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexSubImage%D(width)", dimensions); + return GL_TRUE; + } + if ((height & 3) && (GLuint) height != texImage->Height) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTexSubImage%D(width)", dimensions); + return GL_TRUE; + } + } + + return GL_FALSE; +} + + +/** + * Test glCopyTexImage[12]D() parameters for errors. + * + * \param ctx GL context. + * \param dimensions texture image dimensions (must be 1, 2 or 3). + * \param target texture target given by the user. + * \param level image level given by the user. + * \param internalFormat internal format given by the user. + * \param width image width given by the user. + * \param height image height given by the user. + * \param depth image depth given by the user. + * \param border texture border. + * + * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. + * + * Verifies each of the parameters against the constants specified in + * __GLcontextRec::Const and the supported extensions, and according to the + * OpenGL specification. + */ +static GLboolean +copytexture_error_check( GLcontext *ctx, GLuint dimensions, + GLenum target, GLint level, GLint internalFormat, + GLint width, GLint height, GLint border ) +{ + GLenum format, type; + GLboolean sizeOK; + + /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ + if (level < 0 || level >= MAX_TEXTURE_LEVELS) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexImage%dD(level=%d)", dimensions, level); + return GL_TRUE; + } + + /* Check border */ + if (border < 0 || border > 1 || + ((target == GL_TEXTURE_RECTANGLE_NV || + target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { + return GL_TRUE; + } + + /* The format and type aren't really significant here, but we need to pass + * something to TestProxyTexImage(). + */ + format = _mesa_base_tex_format(ctx, internalFormat); + type = GL_FLOAT; + + /* Check target and call ctx->Driver.TestProxyTexImage() to check the + * level, width, height and depth. + */ + if (dimensions == 1) { + if (target == GL_TEXTURE_1D) { + sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D, + level, internalFormat, + format, type, + width, 1, 1, border); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 2) { + if (target == GL_TEXTURE_2D) { + sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D, + level, internalFormat, + format, type, + width, height, 1, border); + } + else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); + return GL_TRUE; + } + sizeOK = (width == height) && + ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB, + level, internalFormat, format, type, + width, height, 1, border); + } + else if (target == GL_TEXTURE_RECTANGLE_NV) { + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); + return GL_TRUE; + } + sizeOK = ctx->Driver.TestProxyTexImage(ctx, + GL_PROXY_TEXTURE_RECTANGLE_NV, + level, internalFormat, + format, type, + width, height, 1, border); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); + return GL_TRUE; + } + } + else { + _mesa_problem(ctx, "invalid dimensions in copytexture_error_check"); + return GL_TRUE; + } + + if (!sizeOK) { + if (dimensions == 1) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexImage1D(width=%d)", width); + } + else { + ASSERT(dimensions == 2); + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexImage2D(width=%d, height=%d)", width, height); + } + return GL_TRUE; + } + + if (_mesa_base_tex_format(ctx, internalFormat) < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexImage%dD(internalFormat)", dimensions); + return GL_TRUE; + } + + if (is_compressed_format(ctx, internalFormat)) { + if (target != GL_TEXTURE_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glCopyTexImage%d(target)", dimensions); + return GL_TRUE; + } + if (border != 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyTexImage%D(border!=0)", dimensions); + return GL_TRUE; + } + } + + /* if we get here, the parameters are OK */ + return GL_FALSE; +} + + +/** + * Test glCopyTexImage[12]D() parameters for errors. + * + * \param ctx GL context. + * \param dimensions texture image dimensions (must be 1, 2 or 3). + * \param target texture target given by the user. + * \param level image level given by the user. + * \param xoffset sub-image x offset given by the user. + * \param yoffset sub-image y offset given by the user. + * \param zoffset sub-image z offset given by the user. + * \param width image width given by the user. + * \param height image height given by the user. + * + * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. + * + * Verifies each of the parameters against the constants specified in + * __GLcontextRec::Const and the supported extensions, and according to the + * OpenGL specification. + */ +static GLboolean +copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions, + GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height ) +{ + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_image *teximage; + + /* Check target */ + if (dimensions == 1) { + if (target != GL_TEXTURE_1D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 2) { + if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (target == GL_TEXTURE_RECTANGLE_NV) { + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (target != GL_TEXTURE_2D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); + return GL_TRUE; + } + } + else if (dimensions == 3) { + if (target != GL_TEXTURE_3D) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" ); + return GL_TRUE; + } + } + + /* Check level */ + if (level < 0 || level >= MAX_TEXTURE_LEVELS) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(level=%d)", dimensions, level); + return GL_TRUE; + } + + /* Check size */ + if (width < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(width=%d)", dimensions, width); + return GL_TRUE; + } + if (dimensions > 1 && height < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(height=%d)", dimensions, height); + return GL_TRUE; + } + + teximage = _mesa_select_tex_image(ctx, texUnit, target, level); + if (!teximage) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyTexSubImage%dD(undefined texture level: %d)", + dimensions, level); + return GL_TRUE; + } + + if (xoffset < -((GLint)teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset); + return GL_TRUE; + } + if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(xoffset+width)", dimensions); + return GL_TRUE; + } + if (dimensions > 1) { + if (yoffset < -((GLint)teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset); + return GL_TRUE; + } + /* NOTE: we're adding the border here, not subtracting! */ + if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(yoffset+height)", dimensions); + return GL_TRUE; + } + } + + if (dimensions > 2) { + if (zoffset < -((GLint)teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(zoffset)", dimensions); + return GL_TRUE; + } + if (zoffset > (GLint) (teximage->Depth + teximage->Border)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%dD(zoffset+depth)", dimensions); + return GL_TRUE; + } + } + + if (teximage->IsCompressed) { + if (target != GL_TEXTURE_2D) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glCopyTexSubImage%d(target)", dimensions); + return GL_TRUE; + } + /* offset must be multiple of 4 */ + if ((xoffset & 3) || (yoffset & 3)) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%D(xoffset or yoffset)", dimensions); + return GL_TRUE; + } + /* size must be multiple of 4 */ + if ((width & 3) != 0 && (GLuint) width != teximage->Width) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%D(width)", dimensions); + return GL_TRUE; + } + if ((height & 3) != 0 && (GLuint) height != teximage->Height) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glCopyTexSubImage%D(height)", dimensions); + return GL_TRUE; + } + } + + if (teximage->IntFormat == GL_YCBCR_MESA) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D"); + return GL_TRUE; + } + + /* if we get here, the parameters are OK */ + return GL_FALSE; +} + + +/** + * Get texture image. Called by glGetTexImage. + * + * \param target texture target. + * \param level image level. + * \param format pixel data format for returned image. + * \param type pixel data type for returned image. + * \param pixels returned pixel data. + */ +void GLAPIENTRY +_mesa_GetTexImage( GLenum target, GLint level, GLenum format, + GLenum type, GLvoid *pixels ) +{ + const struct gl_texture_unit *texUnit; + const struct gl_texture_object *texObj; + const struct gl_texture_image *texImage; + GLint maxLevels = 0; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]); + texObj = _mesa_select_tex_object(ctx, texUnit, target); + if (!texObj || is_proxy_target(target)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)"); + return; + } + + maxLevels = _mesa_max_texture_levels(ctx, target); + ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */ + + if (level < 0 || level >= maxLevels) { + _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" ); + return; + } + + if (_mesa_sizeof_packed_type(type) <= 0) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" ); + return; + } + + if (_mesa_components_in_format(format) <= 0 || + format == GL_STENCIL_INDEX) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" ); + return; + } + + if (!ctx->Extensions.EXT_paletted_texture && is_index_format(format)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)"); + } + + if (!ctx->Extensions.SGIX_depth_texture && is_depth_format(format)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)"); + } + + if (!ctx->Extensions.MESA_ycbcr_texture && is_ycbcr_format(format)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)"); + } + + if (!pixels) + return; + + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + if (!texImage) { + /* invalid mipmap level, not an error */ + return; + } + + if (!texImage->Data) { + /* no image data, not an error */ + return; + } + + /* Make sure the requested image format is compatible with the + * texture's format. + */ + if (is_color_format(format) + && !is_color_format(texImage->TexFormat->BaseFormat)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)"); + return; + } + else if (is_index_format(format) + && !is_index_format(texImage->TexFormat->BaseFormat)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)"); + return; + } + else if (is_depth_format(format) + && !is_depth_format(texImage->TexFormat->BaseFormat)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)"); + return; + } + else if (is_ycbcr_format(format) + && !is_ycbcr_format(texImage->TexFormat->BaseFormat)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)"); + return; + } + + /* + * XXX Move this code into a new driver fall-back function + */ + { + const GLint width = texImage->Width; + const GLint height = texImage->Height; + const GLint depth = texImage->Depth; + GLint img, row; + for (img = 0; img < depth; img++) { + for (row = 0; row < height; row++) { + /* compute destination address in client memory */ + GLvoid *dest = _mesa_image_address( &ctx->Pack, pixels, + width, height, format, type, + img, row, 0); + assert(dest); + + if (format == GL_COLOR_INDEX) { + GLuint indexRow[MAX_WIDTH]; + GLint col; + /* Can't use FetchTexel here because that returns RGBA */ + if (texImage->TexFormat->IndexBits == 8) { + const GLubyte *src = (const GLubyte *) texImage->Data; + for (col = 0; col < width; col++) { + indexRow[col] = src[texImage->Width * + (img * texImage->Height + row) + col]; + } + } + else if (texImage->TexFormat->IndexBits == 16) { + const GLushort *src = (const GLushort *) texImage->Data; + for (col = 0; col < width; col++) { + indexRow[col] = src[texImage->Width * + (img * texImage->Height + row) + col]; + } + } + else { + _mesa_problem(ctx, + "Color index problem in _mesa_GetTexImage"); + return; + } + _mesa_pack_index_span(ctx, width, type, dest, + indexRow, &ctx->Pack, + 0 /* no image transfer */); + } + else if (format == GL_DEPTH_COMPONENT) { + GLfloat depthRow[MAX_WIDTH]; + GLint col; + for (col = 0; col < width; col++) { + (*texImage->FetchTexelf)(texImage, col, row, img, + depthRow + col); + } + _mesa_pack_depth_span(ctx, width, dest, type, + depthRow, &ctx->Pack); + } + else if (format == GL_YCBCR_MESA) { + /* No pixel transfer */ + const GLint rowstride = texImage->RowStride; + MEMCPY(dest, + (const GLushort *) texImage->Data + row * rowstride, + width * sizeof(GLushort)); + /* check for byte swapping */ + if ((texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR + && type == GL_UNSIGNED_SHORT_8_8_REV_MESA) || + (texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV + && type == GL_UNSIGNED_SHORT_8_8_MESA)) { + if (!ctx->Pack.SwapBytes) + _mesa_swap2((GLushort *) dest, width); + } + else if (ctx->Pack.SwapBytes) { + _mesa_swap2((GLushort *) dest, width); + } + } + else { + /* general case: convert row to RGBA format */ + GLfloat rgba[MAX_WIDTH][4]; + GLint col; + for (col = 0; col < width; col++) { + (*texImage->FetchTexelf)(texImage, col, row, img, rgba[col]); + } + _mesa_pack_rgba_span_float(ctx, width, + (const GLfloat (*)[4]) rgba, + format, type, dest, &ctx->Pack, + 0 /* no image transfer */); + } /* format */ + } /* row */ + } /* img */ + } +} + + + +/* + * Called from the API. Note that width includes the border. + */ +void GLAPIENTRY +_mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, + GLsizei width, GLint border, GLenum format, + GLenum type, const GLvoid *pixels ) +{ + GLsizei postConvWidth = width; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (is_color_format(internalFormat)) { + _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); + } + + if (target == GL_TEXTURE_1D) { + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + + if (texture_error_check(ctx, target, level, internalFormat, + format, type, 1, postConvWidth, 1, 1, border)) { + return; /* error was recorded */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + /* free the old texture data */ + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + clear_teximage_fields(texImage); /* not really needed, but helpful */ + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, 1, 1, + border, internalFormat); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + ASSERT(ctx->Driver.TexImage1D); + + /* Give the texture to the driver! <pixels> may be null! */ + (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat, + width, border, format, type, pixels, + &ctx->Unpack, texObj, texImage); + + ASSERT(texImage->TexFormat); + + /* If driver didn't explicitly set this, use the defaults */ + if (!texImage->FetchTexelc) + texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D; + if (!texImage->FetchTexelf) + texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df; + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_1D) { + /* Proxy texture: check for errors and update proxy state */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texture_error_check(ctx, target, level, internalFormat, + format, type, 1, postConvWidth, 1, 1, border)) { + /* when error, clear all proxy texture image parameters */ + if (texImage) + clear_teximage_fields(texImage); + } + else { + /* no error, set the tex image parameters */ + ASSERT(texImage); + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, 1, 1, + border, internalFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, format, type); + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); + return; + } +} + + +void GLAPIENTRY +_mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLint border, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GLsizei postConvWidth = width, postConvHeight = height; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (is_color_format(internalFormat)) { + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, + &postConvHeight); + } + + if (target == GL_TEXTURE_2D || + (ctx->Extensions.ARB_texture_cube_map && + target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) || + (ctx->Extensions.NV_texture_rectangle && + target == GL_TEXTURE_RECTANGLE_NV)) { + /* non-proxy target */ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + + if (texture_error_check(ctx, target, level, internalFormat, + format, type, 2, postConvWidth, postConvHeight, + 1, border)) { + return; /* error was recorded */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + /* free the old texture data */ + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + clear_teximage_fields(texImage); /* not really needed, but helpful */ + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, postConvHeight, 1, + border, internalFormat); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + ASSERT(ctx->Driver.TexImage2D); + + /* Give the texture to the driver! <pixels> may be null! */ + (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat, + width, height, border, format, type, pixels, + &ctx->Unpack, texObj, texImage); + + ASSERT(texImage->TexFormat); + + /* If driver didn't explicitly set these, use the defaults */ + if (!texImage->FetchTexelc) + texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D; + if (!texImage->FetchTexelf) + texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df; + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_2D || + (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB && + ctx->Extensions.ARB_texture_cube_map) || + (target == GL_PROXY_TEXTURE_RECTANGLE_NV && + ctx->Extensions.NV_texture_rectangle)) { + /* Proxy texture: check for errors and update proxy state */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texture_error_check(ctx, target, level, internalFormat, + format, type, 2, postConvWidth, postConvHeight, + 1, border)) { + /* when error, clear all proxy texture image parameters */ + if (texImage) + clear_teximage_fields(ctx->Texture.Proxy2D->Image[0][level]); + } + else { + /* no error, set the tex image parameters */ + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, postConvHeight, 1, + border, internalFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, format, type); + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" ); + return; + } +} + + +/* + * Called by the API or display list executor. + * Note that width and height include the border. + */ +void GLAPIENTRY +_mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target == GL_TEXTURE_3D) { + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + + if (texture_error_check(ctx, target, level, (GLint) internalFormat, + format, type, 3, width, height, depth, border)) { + return; /* error was recorded */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + clear_teximage_fields(texImage); /* not really needed, but helpful */ + _mesa_init_teximage_fields(ctx, target, texImage, + width, height, depth, + border, internalFormat); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + ASSERT(ctx->Driver.TexImage3D); + + /* Give the texture to the driver! <pixels> may be null! */ + (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat, + width, height, depth, border, format, type, + pixels, &ctx->Unpack, texObj, texImage); + + ASSERT(texImage->TexFormat); + + /* If driver didn't explicitly set these, use the defaults */ + if (!texImage->FetchTexelc) + texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D; + if (!texImage->FetchTexelf) + texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df; + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_3D) { + /* Proxy texture: check for errors and update proxy state */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texture_error_check(ctx, target, level, internalFormat, + format, type, 3, width, height, depth, border)) { + /* when error, clear all proxy texture image parameters */ + if (texImage) + clear_teximage_fields(texImage); + } + else { + /* no error, set the tex image parameters */ + _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1, + border, internalFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, format, type); + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); + return; + } +} + + +void GLAPIENTRY +_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum format, GLenum type, + const GLvoid *pixels ) +{ + _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height, + depth, border, format, type, pixels); +} + + + +void GLAPIENTRY +_mesa_TexSubImage1D( GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GLsizei postConvWidth = width; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + /* XXX should test internal format */ + if (is_color_format(format)) { + _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); + } + + if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0, + postConvWidth, 1, 1, format, type)) { + return; /* error was detected */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if (width == 0) + return; /* no-op, not an error */ + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + + ASSERT(ctx->Driver.TexSubImage1D); + (*ctx->Driver.TexSubImage1D)(ctx, target, level, xoffset, width, + format, type, pixels, &ctx->Unpack, + texObj, texImage); + ctx->NewState |= _NEW_TEXTURE; +} + + +void GLAPIENTRY +_mesa_TexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + GLsizei postConvWidth = width, postConvHeight = height; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + /* XXX should test internal format */ + if (is_color_format(format)) { + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, + &postConvHeight); + } + + if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0, + postConvWidth, postConvHeight, 1, format, type)) { + return; /* error was detected */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if (width == 0 || height == 0) + return; /* no-op, not an error */ + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + yoffset += texImage->Border; + + ASSERT(ctx->Driver.TexSubImage2D); + (*ctx->Driver.TexSubImage2D)(ctx, target, level, xoffset, yoffset, + width, height, format, type, pixels, + &ctx->Unpack, texObj, texImage); + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_TexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, + const GLvoid *pixels ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset, + width, height, depth, format, type)) { + return; /* error was detected */ + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if (width == 0 || height == 0 || height == 0) + return; /* no-op, not an error */ + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + yoffset += texImage->Border; + zoffset += texImage->Border; + + ASSERT(ctx->Driver.TexSubImage3D); + (*ctx->Driver.TexSubImage3D)(ctx, target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, type, pixels, + &ctx->Unpack, texObj, texImage ); + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_CopyTexImage1D( GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, + GLsizei width, GLint border ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLsizei postConvWidth = width; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + if (is_color_format(internalFormat)) { + _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); + } + + if (copytexture_error_check(ctx, 1, target, level, internalFormat, + postConvWidth, 1, border)) + return; + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + /* free the old texture data */ + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + + clear_teximage_fields(texImage); /* not really needed, but helpful */ + _mesa_init_teximage_fields(ctx, target, texImage, postConvWidth, 1, 1, + border, internalFormat); + + + ASSERT(ctx->Driver.CopyTexImage1D); + (*ctx->Driver.CopyTexImage1D)(ctx, target, level, internalFormat, + x, y, width, border); + + ASSERT(texImage->TexFormat); + + /* If driver didn't explicitly set these, use the defaults */ + if (!texImage->FetchTexelc) + texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D; + if (!texImage->FetchTexelf) + texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df; + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLsizei height, + GLint border ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLsizei postConvWidth = width, postConvHeight = height; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + if (is_color_format(internalFormat)) { + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, + &postConvHeight); + } + + if (copytexture_error_check(ctx, 2, target, level, internalFormat, + postConvWidth, postConvHeight, border)) + return; + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + /* free the old texture data */ + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + + clear_teximage_fields(texImage); /* not really needed, but helpful */ + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, postConvHeight, 1, + border, internalFormat); + + ASSERT(ctx->Driver.CopyTexImage2D); + (*ctx->Driver.CopyTexImage2D)(ctx, target, level, internalFormat, + x, y, width, height, border); + + ASSERT(texImage->TexFormat); + + /* If driver didn't explicitly set these, use the defaults */ + if (!texImage->FetchTexelc) + texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D; + if (!texImage->FetchTexelf) + texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df; + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_CopyTexSubImage1D( GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, GLsizei width ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + GLsizei postConvWidth = width; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + /* XXX should test internal format */ + _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); + + if (copytexsubimage_error_check(ctx, 1, target, level, + xoffset, 0, 0, postConvWidth, 1)) + return; + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + ASSERT(texImage); + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + + ASSERT(ctx->Driver.CopyTexSubImage1D); + (*ctx->Driver.CopyTexSubImage1D)(ctx, target, level, xoffset, x, y, width); + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_CopyTexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + GLsizei postConvWidth = width, postConvHeight = height; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + /* XXX should test internal format */ + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight); + + if (copytexsubimage_error_check(ctx, 2, target, level, xoffset, yoffset, 0, + postConvWidth, postConvHeight)) + return; + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + ASSERT(texImage); + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + yoffset += texImage->Border; + + ASSERT(ctx->Driver.CopyTexSubImage2D); + (*ctx->Driver.CopyTexSubImage2D)(ctx, target, level, + xoffset, yoffset, x, y, width, height); + ctx->NewState |= _NEW_TEXTURE; +} + + + +void GLAPIENTRY +_mesa_CopyTexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, GLsizei width, GLsizei height ) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + GLsizei postConvWidth = width, postConvHeight = height; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE) + _mesa_update_state(ctx); + + /* XXX should test internal format */ + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight); + + if (copytexsubimage_error_check(ctx, 3, target, level, xoffset, yoffset, + zoffset, postConvWidth, postConvHeight)) + return; + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + ASSERT(texImage); + + /* If we have a border, xoffset=-1 is legal. Bias by border width */ + xoffset += texImage->Border; + yoffset += texImage->Border; + zoffset += texImage->Border; + + ASSERT(ctx->Driver.CopyTexSubImage3D); + (*ctx->Driver.CopyTexSubImage3D)(ctx, target, level, + xoffset, yoffset, zoffset, + x, y, width, height); + ctx->NewState |= _NEW_TEXTURE; +} + + + + +/**********************************************************************/ +/****** Compressed Textures ******/ +/**********************************************************************/ + + +/** + * Error checking for glCompressedTexImage[123]D(). + * \return error code or GL_NO_ERROR. + */ +static GLenum +compressed_texture_error_check(GLcontext *ctx, GLint dimensions, + GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLsizei height, GLsizei depth, GLint border, + GLsizei imageSize) +{ + GLint expectedSize, maxLevels = 0, maxTextureSize; + + if (dimensions == 1) { + /* 1D compressed textures not allowed */ + return GL_INVALID_ENUM; + } + else if (dimensions == 2) { + if (target == GL_PROXY_TEXTURE_2D) { + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (target == GL_TEXTURE_2D) { + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) + return GL_INVALID_ENUM; /*target*/ + maxLevels = ctx->Const.MaxCubeTextureLevels; + } + else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) + return GL_INVALID_ENUM; /*target*/ + maxLevels = ctx->Const.MaxCubeTextureLevels; + } + else { + return GL_INVALID_ENUM; /*target*/ + } + } + else if (dimensions == 3) { + /* 3D compressed textures not allowed */ + return GL_INVALID_ENUM; + } + + maxTextureSize = 1 << (maxLevels - 1); + + if (!is_compressed_format(ctx, internalFormat)) + return GL_INVALID_ENUM; + + if (_mesa_base_tex_format(ctx, internalFormat) < 0) + return GL_INVALID_ENUM; + + if (border != 0) + return GL_INVALID_VALUE; + + /* + * XXX We should probably use the proxy texture error check function here. + */ + if (width < 1 || width > maxTextureSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(width) < 0)) + return GL_INVALID_VALUE; + + if ((height < 1 || height > maxTextureSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(height) < 0)) + && dimensions > 1) + return GL_INVALID_VALUE; + + if ((depth < 1 || depth > maxTextureSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(depth) < 0)) + && dimensions > 2) + return GL_INVALID_VALUE; + + /* For cube map, width must equal height */ + if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height) + return GL_INVALID_VALUE; + + if (level < 0 || level >= maxLevels) + return GL_INVALID_VALUE; + + expectedSize = ctx->Driver.CompressedTextureSize(ctx, width, height, depth, + internalFormat); + if (expectedSize != imageSize) + return GL_INVALID_VALUE; + + return GL_NO_ERROR; +} + + +/** + * Error checking for glCompressedTexSubImage[123]D(). + * \warning There are some bad assumptions here about the size of compressed + * texture tiles (multiple of 4) used to test the validity of the + * offset and size parameters. + * \return error code or GL_NO_ERROR. + */ +static GLenum +compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions, + GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLsizei imageSize) +{ + GLint expectedSize, maxLevels = 0, maxTextureSize; + (void) zoffset; + + if (dimensions == 1) { + /* 1D compressed textures not allowed */ + return GL_INVALID_ENUM; + } + else if (dimensions == 2) { + if (target == GL_PROXY_TEXTURE_2D) { + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (target == GL_TEXTURE_2D) { + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) + return GL_INVALID_ENUM; /*target*/ + maxLevels = ctx->Const.MaxCubeTextureLevels; + } + else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { + if (!ctx->Extensions.ARB_texture_cube_map) + return GL_INVALID_ENUM; /*target*/ + maxLevels = ctx->Const.MaxCubeTextureLevels; + } + else { + return GL_INVALID_ENUM; /*target*/ + } + } + else if (dimensions == 3) { + /* 3D compressed textures not allowed */ + return GL_INVALID_ENUM; + } + + maxTextureSize = 1 << (maxLevels - 1); + + if (!is_compressed_format(ctx, format)) + return GL_INVALID_ENUM; + + if (width < 1 || width > maxTextureSize) + return GL_INVALID_VALUE; + + if ((height < 1 || height > maxTextureSize) + && dimensions > 1) + return GL_INVALID_VALUE; + + if (level < 0 || level >= maxLevels) + return GL_INVALID_VALUE; + + /* XXX these tests are specific to the compressed format. + * this code should be generalized in some way. + */ + if ((xoffset & 3) != 0 || (yoffset & 3) != 0) + return GL_INVALID_VALUE; + + if ((width & 3) != 0 && width != 2 && width != 1) + return GL_INVALID_VALUE; + + if ((height & 3) != 0 && height != 2 && height != 1) + return GL_INVALID_VALUE; + + expectedSize = ctx->Driver.CompressedTextureSize(ctx, width, height, depth, + format); + if (expectedSize != imageSize) + return GL_INVALID_VALUE; + + return GL_NO_ERROR; +} + + + +void GLAPIENTRY +_mesa_CompressedTexImage1DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLint border, GLsizei imageSize, + const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target == GL_TEXTURE_1D) { + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error = compressed_texture_error_check(ctx, 1, target, level, + internalFormat, width, 1, 1, border, imageSize); + if (error) { + _mesa_error(ctx, error, "glCompressedTexImage1D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + + _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1, + border, internalFormat); + + ASSERT(ctx->Driver.CompressedTexImage1D); + (*ctx->Driver.CompressedTexImage1D)(ctx, target, level, + internalFormat, width, border, + imageSize, data, + texObj, texImage); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_1D) { + /* Proxy texture: check for errors and update proxy state */ + GLenum error = compressed_texture_error_check(ctx, 1, target, level, + internalFormat, width, 1, 1, border, imageSize); + if (!error) { + ASSERT(ctx->Driver.TestProxyTexImage); + error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, + internalFormat, GL_NONE, GL_NONE, + width, 1, 1, border); + } + if (error) { + /* if error, clear all proxy texture image parameters */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texImage) + clear_teximage_fields(texImage); + } + else { + /* store the teximage parameters */ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1, + border, internalFormat); + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1D(target)"); + return; + } +} + + +void GLAPIENTRY +_mesa_CompressedTexImage2DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLsizei height, GLint border, GLsizei imageSize, + const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target == GL_TEXTURE_2D || + (ctx->Extensions.ARB_texture_cube_map && + target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && + target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) { + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error = compressed_texture_error_check(ctx, 2, target, level, + internalFormat, width, height, 1, border, imageSize); + if (error) { + _mesa_error(ctx, error, "glCompressedTexImage2D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + + _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1, + border, internalFormat); + + ASSERT(ctx->Driver.CompressedTexImage2D); + (*ctx->Driver.CompressedTexImage2D)(ctx, target, level, + internalFormat, width, height, + border, imageSize, data, + texObj, texImage); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_2D || + (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB && + ctx->Extensions.ARB_texture_cube_map)) { + /* Proxy texture: check for errors and update proxy state */ + GLenum error = compressed_texture_error_check(ctx, 2, target, level, + internalFormat, width, height, 1, border, imageSize); + if (!error) { + ASSERT(ctx->Driver.TestProxyTexImage); + error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, + internalFormat, GL_NONE, GL_NONE, + width, height, 1, border); + } + if (error) { + /* if error, clear all proxy texture image parameters */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texImage) + clear_teximage_fields(texImage); + } + else { + /* store the teximage parameters */ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1, + border, internalFormat); + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2D(target)"); + return; + } +} + + +void GLAPIENTRY +_mesa_CompressedTexImage3DARB(GLenum target, GLint level, + GLenum internalFormat, GLsizei width, + GLsizei height, GLsizei depth, GLint border, + GLsizei imageSize, const GLvoid *data) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (target == GL_TEXTURE_3D) { + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error = compressed_texture_error_check(ctx, 3, target, level, + internalFormat, width, height, depth, border, imageSize); + if (error) { + _mesa_error(ctx, error, "glCompressedTexImage3D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_get_tex_image(ctx, texUnit, target, level); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3D"); + return; + } + else if (texImage->Data && !texImage->IsClientData) { + MESA_PBUFFER_FREE(texImage->Data); + } + texImage->Data = NULL; + + _mesa_init_teximage_fields(ctx, target, texImage, width, height, depth, + border, internalFormat); + + ASSERT(ctx->Driver.CompressedTexImage3D); + (*ctx->Driver.CompressedTexImage3D)(ctx, target, level, + internalFormat, + width, height, depth, + border, imageSize, data, + texObj, texImage); + + /* state update */ + texObj->Complete = GL_FALSE; + ctx->NewState |= _NEW_TEXTURE; + } + else if (target == GL_PROXY_TEXTURE_3D) { + /* Proxy texture: check for errors and update proxy state */ + GLenum error = compressed_texture_error_check(ctx, 3, target, level, + internalFormat, width, height, depth, border, imageSize); + if (!error) { + ASSERT(ctx->Driver.TestProxyTexImage); + error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, + internalFormat, GL_NONE, GL_NONE, + width, height, depth, border); + } + if (error) { + /* if error, clear all proxy texture image parameters */ + struct gl_texture_image *texImage; + texImage = _mesa_get_proxy_tex_image(ctx, target, level); + if (texImage) + clear_teximage_fields(texImage); + } + else { + /* store the teximage parameters */ + struct gl_texture_unit *texUnit; + struct gl_texture_image *texImage; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + _mesa_init_teximage_fields(ctx, target, texImage, width, height, + depth, border, internalFormat); + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3D(target)"); + return; + } +} + + +void GLAPIENTRY +_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, + GLsizei width, GLenum format, + GLsizei imageSize, const GLvoid *data) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + error = compressed_subtexture_error_check(ctx, 1, target, level, + xoffset, 0, 0, width, 1, 1, format, imageSize); + if (error) { + _mesa_error(ctx, error, "glCompressedTexSubImage1D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if ((GLint) format != texImage->IntFormat) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCompressedTexSubImage1D(format)"); + return; + } + + if ((width == 1 || width == 2) && (GLuint) width != texImage->Width) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage1D(width)"); + return; + } + + if (width == 0) + return; /* no-op, not an error */ + + if (ctx->Driver.CompressedTexSubImage1D) { + (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level, + xoffset, width, + format, imageSize, data, + texObj, texImage); + } + ctx->NewState |= _NEW_TEXTURE; +} + + +void GLAPIENTRY +_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, + const GLvoid *data) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + error = compressed_subtexture_error_check(ctx, 2, target, level, + xoffset, yoffset, 0, width, height, 1, format, imageSize); + if (error) { + /* XXX proxy target? */ + _mesa_error(ctx, error, "glCompressedTexSubImage2D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if ((GLint) format != texImage->IntFormat) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCompressedTexSubImage2D(format)"); + return; + } + + if (((width == 1 || width == 2) && (GLuint) width != texImage->Width) || + ((height == 1 || height == 2) && (GLuint) height != texImage->Height)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage2D(size)"); + return; + } + + if (width == 0 || height == 0) + return; /* no-op, not an error */ + + if (ctx->Driver.CompressedTexSubImage2D) { + (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level, + xoffset, yoffset, width, height, + format, imageSize, data, + texObj, texImage); + } + ctx->NewState |= _NEW_TEXTURE; +} + + +void GLAPIENTRY +_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLint zoffset, GLsizei width, + GLsizei height, GLsizei depth, GLenum format, + GLsizei imageSize, const GLvoid *data) +{ + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLenum error; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + error = compressed_subtexture_error_check(ctx, 3, target, level, + xoffset, yoffset, zoffset, width, height, depth, format, imageSize); + if (error) { + _mesa_error(ctx, error, "glCompressedTexSubImage2D"); + return; + } + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + assert(texImage); + + if ((GLint) format != texImage->IntFormat) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCompressedTexSubImage3D(format)"); + return; + } + + if (((width == 1 || width == 2) && (GLuint) width != texImage->Width) || + ((height == 1 || height == 2) && (GLuint) height != texImage->Height) || + ((depth == 1 || depth == 2) && (GLuint) depth != texImage->Depth)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage3D(size)"); + return; + } + + if (width == 0 || height == 0 || depth == 0) + return; /* no-op, not an error */ + + if (ctx->Driver.CompressedTexSubImage3D) { + (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, imageSize, data, + texObj, texImage); + } + ctx->NewState |= _NEW_TEXTURE; +} + + +void GLAPIENTRY +_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img) +{ + const struct gl_texture_unit *texUnit; + const struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLint maxLevels; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = _mesa_select_tex_object(ctx, texUnit, target); + if (!texObj) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB"); + return; + } + + maxLevels = _mesa_max_texture_levels(ctx, target); + ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */ + + if (level < 0 || level >= maxLevels) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)"); + return; + } + + if (is_proxy_target(target)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)"); + return; + } + + texImage = _mesa_select_tex_image(ctx, texUnit, target, level); + if (!texImage) { + /* probably invalid mipmap level */ + _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)"); + return; + } + + if (!texImage->IsCompressed) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetCompressedTexImageARB"); + return; + } + + if (!img) + return; + + /* just memcpy, no pixelstore or pixel transfer */ + MEMCPY(img, texImage->Data, texImage->CompressedSize); +} diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h new file mode 100644 index 0000000..d7b927f --- /dev/null +++ b/src/mesa/main/teximage.h @@ -0,0 +1,227 @@ +/** + * \file teximage.h + * Texture images manipulation functions. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef TEXIMAGE_H +#define TEXIMAGE_H + + +#include "mtypes.h" + + +/** \name Internal functions */ +/*@{*/ + +extern GLint +_mesa_base_tex_format( GLcontext *ctx, GLint internalFormat ); + + +extern struct gl_texture_image * +_mesa_new_texture_image( GLcontext *ctx ); + + +extern void +_mesa_delete_texture_image( struct gl_texture_image *teximage ); + + +extern void +_mesa_init_teximage_fields(GLcontext *ctx, GLenum target, + struct gl_texture_image *img, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum internalFormat); + + +extern void +_mesa_set_tex_image(struct gl_texture_object *tObj, + GLenum target, GLint level, + struct gl_texture_image *texImage); + + +extern struct gl_texture_object * +_mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target); + + +extern struct gl_texture_image * +_mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target, GLint level); + + +extern struct gl_texture_image * +_mesa_get_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit, + GLenum target, GLint level); + + +extern struct gl_texture_image * +_mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level); + + +extern GLint +_mesa_max_texture_levels(GLcontext *ctx, GLenum target); + + +extern GLboolean +_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, GLenum format, GLenum type, + GLint width, GLint height, GLint depth, GLint border); + +/*@}*/ + + +/** \name API entry point functions */ +/*@{*/ + +extern void GLAPIENTRY +_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat, + GLsizei width, GLint border, + GLenum format, GLenum type, const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat, + GLsizei width, GLsizei height, GLint border, + GLenum format, GLenum type, const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexImage3D( GLenum target, GLint level, GLint internalformat, + GLsizei width, GLsizei height, GLsizei depth, GLint border, + GLenum format, GLenum type, const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum format, GLenum type, + const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_GetTexImage( GLenum target, GLint level, + GLenum format, GLenum type, GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset, + GLsizei width, + GLenum format, GLenum type, + const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_TexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, + const GLvoid *pixels ); + + +extern void GLAPIENTRY +_mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat, + GLint x, GLint y, GLsizei width, GLint border ); + + +extern void GLAPIENTRY +_mesa_CopyTexImage2D( GLenum target, GLint level, + GLenum internalformat, GLint x, GLint y, + GLsizei width, GLsizei height, GLint border ); + + +extern void GLAPIENTRY +_mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset, + GLint x, GLint y, GLsizei width ); + + +extern void GLAPIENTRY +_mesa_CopyTexSubImage2D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height ); + + +extern void GLAPIENTRY +_mesa_CopyTexSubImage3D( GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, GLsizei width, GLsizei height ); + + + +extern void GLAPIENTRY +_mesa_CompressedTexImage1DARB(GLenum target, GLint level, + GLenum internalformat, GLsizei width, + GLint border, GLsizei imageSize, + const GLvoid *data); + +extern void GLAPIENTRY +_mesa_CompressedTexImage2DARB(GLenum target, GLint level, + GLenum internalformat, GLsizei width, + GLsizei height, GLint border, GLsizei imageSize, + const GLvoid *data); + +extern void GLAPIENTRY +_mesa_CompressedTexImage3DARB(GLenum target, GLint level, + GLenum internalformat, GLsizei width, + GLsizei height, GLsizei depth, GLint border, + GLsizei imageSize, const GLvoid *data); + +#ifdef VMS +#define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR +#define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR +#define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR +#endif +extern void GLAPIENTRY +_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, + GLsizei width, GLenum format, + GLsizei imageSize, const GLvoid *data); + +extern void GLAPIENTRY +_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, + const GLvoid *data); + +extern void GLAPIENTRY +_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLint zoffset, GLsizei width, + GLsizei height, GLsizei depth, GLenum format, + GLsizei imageSize, const GLvoid *data); + +extern void GLAPIENTRY +_mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img); + +/*@}*/ + +#endif diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c new file mode 100644 index 0000000..b11a917 --- /dev/null +++ b/src/mesa/main/texobj.c @@ -0,0 +1,1039 @@ +/** + * \file texobj.c + * Texture object management. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "colortab.h" +#include "context.h" +#include "enums.h" +#include "hash.h" +#include "imports.h" +#include "macros.h" +#include "teximage.h" +#include "texstate.h" +#include "texobj.h" +#include "mtypes.h" + + +/**********************************************************************/ +/** \name Internal functions */ +/*@{*/ + +/** + * Allocate and initialize a new texture object. But don't put it into the + * texture object hash table. + * + * Called via ctx->Driver.NewTextureObject, unless overridden by a device + * driver. + * + * \param shared the shared GL state structure to contain the texture object + * \param name integer name for the texture object + * \param target either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, + * GL_TEXTURE_CUBE_MAP_ARB or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake + * of GenTextures() + * + * \return pointer to new texture object. + */ +struct gl_texture_object * +_mesa_new_texture_object( GLcontext *ctx, GLuint name, GLenum target ) +{ + struct gl_texture_object *obj; + (void) ctx; + obj = MALLOC_STRUCT(gl_texture_object); + _mesa_initialize_texture_object(obj, name, target); + return obj; +} + + +/** + * Initialize a new texture object to default values. + * \param obj the texture object + * \param name the texture name + * \param target the texture target + */ +void +_mesa_initialize_texture_object( struct gl_texture_object *obj, + GLuint name, GLenum target ) +{ + ASSERT(target == 0 || + target == GL_TEXTURE_1D || + target == GL_TEXTURE_2D || + target == GL_TEXTURE_3D || + target == GL_TEXTURE_CUBE_MAP_ARB || + target == GL_TEXTURE_RECTANGLE_NV); + + _mesa_bzero(obj, sizeof(*obj)); + /* init the non-zero fields */ + _glthread_INIT_MUTEX(obj->Mutex); + obj->RefCount = 1; + obj->Name = name; + obj->Target = target; + obj->Priority = 1.0F; + if (target == GL_TEXTURE_RECTANGLE_NV) { + obj->WrapS = GL_CLAMP_TO_EDGE; + obj->WrapT = GL_CLAMP_TO_EDGE; + obj->WrapR = GL_CLAMP_TO_EDGE; + obj->MinFilter = GL_LINEAR; + } + else { + obj->WrapS = GL_REPEAT; + obj->WrapT = GL_REPEAT; + obj->WrapR = GL_REPEAT; + obj->MinFilter = GL_NEAREST_MIPMAP_LINEAR; + } + obj->MagFilter = GL_LINEAR; + obj->MinLod = -1000.0; + obj->MaxLod = 1000.0; + obj->LodBias = 0.0; + obj->BaseLevel = 0; + obj->MaxLevel = 1000; + obj->MaxAnisotropy = 1.0; + obj->CompareFlag = GL_FALSE; /* SGIX_shadow */ + obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX; /* SGIX_shadow */ + obj->CompareMode = GL_NONE; /* ARB_shadow */ + obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */ + obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */ + obj->ShadowAmbient = 0.0F; /* ARB/SGIX_shadow_ambient */ + _mesa_init_colortable(&obj->Palette); +} + + +/** + * Deallocate a texture object struct. It should have already been + * removed from the texture object pool. + * + * \param shared the shared GL state to which the object belongs. + * \param texOjb the texture object to delete. + */ +void +_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj ) +{ + GLuint i, face; + + (void) ctx; + + _mesa_free_colortable_data(&texObj->Palette); + + /* free the texture images */ + for (face = 0; face < 6; face++) { + for (i = 0; i < MAX_TEXTURE_LEVELS; i++) { + if (texObj->Image[face][i]) { + _mesa_delete_texture_image( texObj->Image[face][i] ); + } + } + } + + /* destroy the mutex -- it may have allocated memory (eg on bsd) */ + _glthread_DESTROY_MUTEX(texObj->Mutex); + + /* free this object */ + _mesa_free(texObj); +} + + +/** + * Add the given texture object to the texture object pool. + */ +void +_mesa_save_texture_object( GLcontext *ctx, struct gl_texture_object *texObj ) +{ + /* insert into linked list */ + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + texObj->Next = ctx->Shared->TexObjectList; + ctx->Shared->TexObjectList = texObj; + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + + if (texObj->Name > 0) { + /* insert into hash table */ + _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj); + } +} + + +/** + * Remove the given texture object from the texture object pool. + * Do not deallocate the texture object though. + */ +void +_mesa_remove_texture_object( GLcontext *ctx, struct gl_texture_object *texObj ) +{ + struct gl_texture_object *tprev, *tcurr; + + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + + /* unlink from the linked list */ + tprev = NULL; + tcurr = ctx->Shared->TexObjectList; + while (tcurr) { + if (tcurr == texObj) { + if (tprev) { + tprev->Next = texObj->Next; + } + else { + ctx->Shared->TexObjectList = texObj->Next; + } + break; + } + tprev = tcurr; + tcurr = tcurr->Next; + } + + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + + if (texObj->Name > 0) { + /* remove from hash table */ + _mesa_HashRemove(ctx->Shared->TexObjects, texObj->Name); + } +} + +/** + * Copy texture object state from one texture object to another. + * + * \param dest destination texture object. + * \param src source texture object. + */ +void +_mesa_copy_texture_object( struct gl_texture_object *dest, + const struct gl_texture_object *src ) +{ + dest->Name = src->Name; + dest->Priority = src->Priority; + dest->BorderColor[0] = src->BorderColor[0]; + dest->BorderColor[1] = src->BorderColor[1]; + dest->BorderColor[2] = src->BorderColor[2]; + dest->BorderColor[3] = src->BorderColor[3]; + dest->WrapS = src->WrapS; + dest->WrapT = src->WrapT; + dest->WrapR = src->WrapR; + dest->MinFilter = src->MinFilter; + dest->MagFilter = src->MagFilter; + dest->MinLod = src->MinLod; + dest->MaxLod = src->MaxLod; + dest->LodBias = src->LodBias; + dest->BaseLevel = src->BaseLevel; + dest->MaxLevel = src->MaxLevel; + dest->MaxAnisotropy = src->MaxAnisotropy; + dest->CompareFlag = src->CompareFlag; + dest->CompareOperator = src->CompareOperator; + dest->ShadowAmbient = src->ShadowAmbient; + dest->CompareMode = src->CompareMode; + dest->CompareFunc = src->CompareFunc; + dest->DepthMode = src->DepthMode; + dest->_MaxLevel = src->_MaxLevel; + dest->_MaxLambda = src->_MaxLambda; + dest->GenerateMipmap = src->GenerateMipmap; + dest->Palette = src->Palette; + dest->Complete = src->Complete; + dest->_IsPowerOfTwo = src->_IsPowerOfTwo; +} + + +/** + * Report why a texture object is incomplete. + * + * \param t texture object. + * \param why string describing why it's incomplete. + * + * \note For debug purposes only. + */ +#if 0 +static void +incomplete(const struct gl_texture_object *t, const char *why) +{ + _mesa_printf("Texture Obj %d incomplete because: %s\n", t->Name, why); +} +#else +#define incomplete(t, why) +#endif + + +/** + * Examine a texture object to determine if it is complete. + * + * The gl_texture_object::Complete flag will be set to GL_TRUE or GL_FALSE + * accordingly. + * + * \param ctx GL context. + * \param t texture object. + * + * According to the texture target, verifies that each of the mipmaps is + * present and has the expected size. + */ +void +_mesa_test_texobj_completeness( const GLcontext *ctx, + struct gl_texture_object *t ) +{ + const GLint baseLevel = t->BaseLevel; + GLint maxLog2 = 0, maxLevels = 0; + + t->Complete = GL_TRUE; /* be optimistic */ + t->_IsPowerOfTwo = GL_TRUE; /* may be set FALSE below */ + + /* Always need the base level image */ + if (!t->Image[0][baseLevel]) { + char s[100]; + sprintf(s, "obj %p (%d) Image[baseLevel=%d] == NULL", + (void *) t, t->Name, baseLevel); + incomplete(t, s); + t->Complete = GL_FALSE; + return; + } + + /* Check width/height/depth for zero */ + if (t->Image[0][baseLevel]->Width == 0 || + t->Image[0][baseLevel]->Height == 0 || + t->Image[0][baseLevel]->Depth == 0) { + incomplete(t, "texture width = 0"); + t->Complete = GL_FALSE; + return; + } + + /* Compute _MaxLevel */ + if (t->Target == GL_TEXTURE_1D) { + maxLog2 = t->Image[0][baseLevel]->WidthLog2; + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (t->Target == GL_TEXTURE_2D) { + maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2, + t->Image[0][baseLevel]->HeightLog2); + maxLevels = ctx->Const.MaxTextureLevels; + } + else if (t->Target == GL_TEXTURE_3D) { + GLint max = MAX2(t->Image[0][baseLevel]->WidthLog2, + t->Image[0][baseLevel]->HeightLog2); + maxLog2 = MAX2(max, (GLint)(t->Image[0][baseLevel]->DepthLog2)); + maxLevels = ctx->Const.Max3DTextureLevels; + } + else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { + maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2, + t->Image[0][baseLevel]->HeightLog2); + maxLevels = ctx->Const.MaxCubeTextureLevels; + } + else if (t->Target == GL_TEXTURE_RECTANGLE_NV) { + maxLog2 = 0; /* not applicable */ + maxLevels = 1; /* no mipmapping */ + } + else { + _mesa_problem(ctx, "Bad t->Target in _mesa_test_texobj_completeness"); + return; + } + + ASSERT(maxLevels > 0); + + t->_MaxLevel = baseLevel + maxLog2; + t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel); + t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1); + + /* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */ + t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel); + + if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { + /* make sure that all six cube map level 0 images are the same size */ + const GLuint w = t->Image[0][baseLevel]->Width2; + const GLuint h = t->Image[0][baseLevel]->Height2; + GLuint face; + for (face = 1; face < 6; face++) { + if (t->Image[face][baseLevel] == NULL || + t->Image[face][baseLevel]->Width2 != w || + t->Image[face][baseLevel]->Height2 != h) { + t->Complete = GL_FALSE; + incomplete(t, "Non-quare cubemap image"); + return; + } + } + } + + /* check for non power of two */ + if (!t->Image[0][baseLevel]->_IsPowerOfTwo) { + t->_IsPowerOfTwo = GL_FALSE; + } + + /* extra checking for mipmaps */ + if (t->MinFilter != GL_NEAREST && t->MinFilter != GL_LINEAR) { + /* + * Mipmapping: determine if we have a complete set of mipmaps + */ + GLint i; + GLint minLevel = baseLevel; + GLint maxLevel = t->_MaxLevel; + + if (minLevel > maxLevel) { + t->Complete = GL_FALSE; + incomplete(t, "minLevel > maxLevel"); + return; + } + + /* Test dimension-independent attributes */ + for (i = minLevel; i <= maxLevel; i++) { + if (t->Image[0][i]) { + if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) { + t->Complete = GL_FALSE; + incomplete(t, "Format[i] != Format[baseLevel]"); + return; + } + if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) { + t->Complete = GL_FALSE; + incomplete(t, "Border[i] != Border[baseLevel]"); + return; + } + } + } + + /* Test things which depend on number of texture image dimensions */ + if (t->Target == GL_TEXTURE_1D) { + /* Test 1-D mipmaps */ + GLuint width = t->Image[0][baseLevel]->Width2; + for (i = baseLevel + 1; i < maxLevels; i++) { + if (width > 1) { + width /= 2; + } + if (i >= minLevel && i <= maxLevel) { + if (!t->Image[0][i]) { + t->Complete = GL_FALSE; + incomplete(t, "1D Image[0][i] == NULL"); + return; + } + if (t->Image[0][i]->Width2 != width ) { + t->Complete = GL_FALSE; + incomplete(t, "1D Image[0][i] bad width"); + return; + } + } + if (width == 1) { + return; /* found smallest needed mipmap, all done! */ + } + } + } + else if (t->Target == GL_TEXTURE_2D) { + /* Test 2-D mipmaps */ + GLuint width = t->Image[0][baseLevel]->Width2; + GLuint height = t->Image[0][baseLevel]->Height2; + for (i = baseLevel + 1; i < maxLevels; i++) { + if (width > 1) { + width /= 2; + } + if (height > 1) { + height /= 2; + } + if (i >= minLevel && i <= maxLevel) { + if (!t->Image[0][i]) { + t->Complete = GL_FALSE; + incomplete(t, "2D Image[0][i] == NULL"); + return; + } + if (t->Image[0][i]->Width2 != width) { + t->Complete = GL_FALSE; + incomplete(t, "2D Image[0][i] bad width"); + return; + } + if (t->Image[0][i]->Height2 != height) { + t->Complete = GL_FALSE; + incomplete(t, "2D Image[0][i] bad height"); + return; + } + if (width==1 && height==1) { + return; /* found smallest needed mipmap, all done! */ + } + } + } + } + else if (t->Target == GL_TEXTURE_3D) { + /* Test 3-D mipmaps */ + GLuint width = t->Image[0][baseLevel]->Width2; + GLuint height = t->Image[0][baseLevel]->Height2; + GLuint depth = t->Image[0][baseLevel]->Depth2; + for (i = baseLevel + 1; i < maxLevels; i++) { + if (width > 1) { + width /= 2; + } + if (height > 1) { + height /= 2; + } + if (depth > 1) { + depth /= 2; + } + if (i >= minLevel && i <= maxLevel) { + if (!t->Image[0][i]) { + incomplete(t, "3D Image[0][i] == NULL"); + t->Complete = GL_FALSE; + return; + } + if (t->Image[0][i]->Format == GL_DEPTH_COMPONENT) { + t->Complete = GL_FALSE; + incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex"); + return; + } + if (t->Image[0][i]->Width2 != width) { + t->Complete = GL_FALSE; + incomplete(t, "3D Image[0][i] bad width"); + return; + } + if (t->Image[0][i]->Height2 != height) { + t->Complete = GL_FALSE; + incomplete(t, "3D Image[0][i] bad height"); + return; + } + if (t->Image[0][i]->Depth2 != depth) { + t->Complete = GL_FALSE; + incomplete(t, "3D Image[0][i] bad depth"); + return; + } + } + if (width == 1 && height == 1 && depth == 1) { + return; /* found smallest needed mipmap, all done! */ + } + } + } + else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { + /* make sure 6 cube faces are consistant */ + GLuint width = t->Image[0][baseLevel]->Width2; + GLuint height = t->Image[0][baseLevel]->Height2; + for (i = baseLevel + 1; i < maxLevels; i++) { + if (width > 1) { + width /= 2; + } + if (height > 1) { + height /= 2; + } + if (i >= minLevel && i <= maxLevel) { + GLuint face; + for (face = 0; face < 6; face++) { + /* check that we have images defined */ + if (!t->Image[face][i]) { + t->Complete = GL_FALSE; + incomplete(t, "CubeMap Image[n][i] == NULL"); + return; + } + /* Don't support GL_DEPTH_COMPONENT for cube maps */ + if (t->Image[face][i]->Format == GL_DEPTH_COMPONENT) { + t->Complete = GL_FALSE; + incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex"); + return; + } + /* check that all six images have same size */ + if (t->Image[face][i]->Width2!=width || + t->Image[face][i]->Height2!=height) { + t->Complete = GL_FALSE; + incomplete(t, "CubeMap Image[n][i] bad size"); + return; + } + } + } + if (width == 1 && height == 1) { + return; /* found smallest needed mipmap, all done! */ + } + } + } + else if (t->Target == GL_TEXTURE_RECTANGLE_NV) { + /* XXX special checking? */ + } + else { + /* Target = ??? */ + _mesa_problem(ctx, "Bug in gl_test_texture_object_completeness\n"); + } + } +} + +/*@}*/ + + +/***********************************************************************/ +/** \name API functions */ +/*@{*/ + +/** + * Texture name generation lock. + * + * Used by _mesa_GenTextures() to guarantee that the generation and allocation + * of texture IDs is atomic. + */ +_glthread_DECLARE_STATIC_MUTEX(GenTexturesLock); + +/** + * Generate texture names. + * + * \param n number of texture names to be generated. + * \param textures an array in which will hold the generated texture names. + * + * \sa glGenTextures(). + * + * While holding the GenTexturesLock lock, calls _mesa_HashFindFreeKeyBlock() + * to find a block of free texture IDs which are stored in \p textures. + * Corresponding empty texture objects are also generated. + */ +void GLAPIENTRY +_mesa_GenTextures( GLsizei n, GLuint *textures ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint first; + GLint i; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" ); + return; + } + + if (!textures) + return; + + /* + * This must be atomic (generation and allocation of texture IDs) + */ + _glthread_LOCK_MUTEX(GenTexturesLock); + + first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n); + + /* Allocate new, empty texture objects */ + for (i = 0; i < n; i++) { + struct gl_texture_object *texObj; + GLuint name = first + i; + GLenum target = 0; + texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target); + if (!texObj) { + _glthread_UNLOCK_MUTEX(GenTexturesLock); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures"); + return; + } + _mesa_save_texture_object(ctx, texObj); + textures[i] = name; + } + + _glthread_UNLOCK_MUTEX(GenTexturesLock); +} + + +/** + * Delete named textures. + * + * \param n number of textures to be deleted. + * \param textures array of texture IDs to be deleted. + * + * \sa glDeleteTextures(). + * + * If we're about to delete a texture that's currently bound to any + * texture unit, unbind the texture first. Decrement the reference + * count on the texture object and delete it if it's zero. + * Recall that texture objects can be shared among several rendering + * contexts. + */ +void GLAPIENTRY +_mesa_DeleteTextures( GLsizei n, const GLuint *textures) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */ + + if (!textures) + return; + + for (i = 0; i < n; i++) { + if (textures[i] > 0) { + struct gl_texture_object *delObj = (struct gl_texture_object *) + _mesa_HashLookup(ctx->Shared->TexObjects, textures[i]); + if (delObj) { + /* First check if this texture is currently bound. + * If so, unbind it and decrement the reference count. + */ + GLuint u; + for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) { + struct gl_texture_unit *unit = &ctx->Texture.Unit[u]; + if (delObj == unit->Current1D) { + unit->Current1D = ctx->Shared->Default1D; + ctx->Shared->Default1D->RefCount++; + delObj->RefCount--; + if (delObj == unit->_Current) + unit->_Current = unit->Current1D; + } + else if (delObj == unit->Current2D) { + unit->Current2D = ctx->Shared->Default2D; + ctx->Shared->Default2D->RefCount++; + delObj->RefCount--; + if (delObj == unit->_Current) + unit->_Current = unit->Current2D; + } + else if (delObj == unit->Current3D) { + unit->Current3D = ctx->Shared->Default3D; + ctx->Shared->Default3D->RefCount++; + delObj->RefCount--; + if (delObj == unit->_Current) + unit->_Current = unit->Current3D; + } + else if (delObj == unit->CurrentCubeMap) { + unit->CurrentCubeMap = ctx->Shared->DefaultCubeMap; + ctx->Shared->DefaultCubeMap->RefCount++; + delObj->RefCount--; + if (delObj == unit->_Current) + unit->_Current = unit->CurrentCubeMap; + } + else if (delObj == unit->CurrentRect) { + unit->CurrentRect = ctx->Shared->DefaultRect; + ctx->Shared->DefaultRect->RefCount++; + delObj->RefCount--; + if (delObj == unit->_Current) + unit->_Current = unit->CurrentRect; + } + } + ctx->NewState |= _NEW_TEXTURE; + + /* If user hasn't already tried to delete the texture... */ + if (!delObj->DeletePending) { + delObj->DeletePending = GL_TRUE; + delObj->RefCount--; + ASSERT(delObj->RefCount >= 0); + } + + /* See if we can really delete the texture now */ + if (delObj->RefCount == 0) { + ASSERT(delObj->Name != 0); /* Never delete default tex objects */ + _mesa_remove_texture_object(ctx, delObj); + ASSERT(ctx->Driver.DeleteTexture); + (*ctx->Driver.DeleteTexture)(ctx, delObj); + } + } + } + } +} + + +/** + * Bind a named texture to a texturing target. + * + * \param target texture target. + * \param texName texture name. + * + * \sa glBindTexture(). + * + * Determines the old texture object bound and returns immediately if rebinding + * the same texture. Get the current texture which is either a default texture + * if name is null, a named texture from the hash, or a new texture if the + * given texture name is new. Increments its reference count, binds it, and + * calls dd_function_table::BindTexture. Decrements the old texture reference + * count and deletes it if it reaches zero. + */ +void GLAPIENTRY +_mesa_BindTexture( GLenum target, GLuint texName ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint unit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + struct gl_texture_object *oldTexObj; + struct gl_texture_object *newTexObj = 0; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBindTexture %s %d\n", + _mesa_lookup_enum_by_nr(target), (GLint) texName); + + /* + * Get pointer to currently bound texture object (oldTexObj) + */ + switch (target) { + case GL_TEXTURE_1D: + oldTexObj = texUnit->Current1D; + break; + case GL_TEXTURE_2D: + oldTexObj = texUnit->Current2D; + break; + case GL_TEXTURE_3D: + oldTexObj = texUnit->Current3D; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" ); + return; + } + oldTexObj = texUnit->CurrentCubeMap; + break; + case GL_TEXTURE_RECTANGLE_NV: + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" ); + return; + } + oldTexObj = texUnit->CurrentRect; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" ); + return; + } + + if (oldTexObj->Name == texName) + /* XXX this might be wrong. If the texobj is in use by another + * context and a texobj parameter was changed, this might be our + * only chance to update this context's hardware state. + */ + return; /* rebinding the same texture- no change */ + + /* + * Get pointer to new texture object (newTexObj) + */ + if (texName == 0) { + /* newTexObj = a default texture object */ + switch (target) { + case GL_TEXTURE_1D: + newTexObj = ctx->Shared->Default1D; + break; + case GL_TEXTURE_2D: + newTexObj = ctx->Shared->Default2D; + break; + case GL_TEXTURE_3D: + newTexObj = ctx->Shared->Default3D; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + newTexObj = ctx->Shared->DefaultCubeMap; + break; + case GL_TEXTURE_RECTANGLE_NV: + newTexObj = ctx->Shared->DefaultRect; + break; + default: + ; /* Bad targets are caught above */ + } + } + else { + /* non-default texture object */ + const struct _mesa_HashTable *hash = ctx->Shared->TexObjects; + newTexObj = (struct gl_texture_object *) _mesa_HashLookup(hash, texName); + if (newTexObj) { + /* error checking */ + if (newTexObj->Target != 0 && newTexObj->Target != target) { + /* the named texture object's dimensions don't match the target */ + _mesa_error( ctx, GL_INVALID_OPERATION, + "glBindTexture(wrong dimensionality)" ); + return; + } + if (newTexObj->Target == 0 && target == GL_TEXTURE_RECTANGLE_NV) { + /* have to init wrap and filter state here - kind of klunky */ + newTexObj->WrapS = GL_CLAMP_TO_EDGE; + newTexObj->WrapT = GL_CLAMP_TO_EDGE; + newTexObj->WrapR = GL_CLAMP_TO_EDGE; + newTexObj->MinFilter = GL_LINEAR; + if (ctx->Driver.TexParameter) { + static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE}; + static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR}; + (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_S, fparam_wrap ); + (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_T, fparam_wrap ); + (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_R, fparam_wrap ); + (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_MIN_FILTER, fparam_filter ); + } + } + } + else { + /* if this is a new texture id, allocate a texture object now */ + newTexObj = (*ctx->Driver.NewTextureObject)(ctx, texName, target); + if (!newTexObj) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture"); + return; + } + _mesa_save_texture_object(ctx, newTexObj); + } + newTexObj->Target = target; + } + + newTexObj->RefCount++; + + /* do the actual binding, but first flush outstanding vertices: + */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + + switch (target) { + case GL_TEXTURE_1D: + texUnit->Current1D = newTexObj; + break; + case GL_TEXTURE_2D: + texUnit->Current2D = newTexObj; + break; + case GL_TEXTURE_3D: + texUnit->Current3D = newTexObj; + break; + case GL_TEXTURE_CUBE_MAP_ARB: + texUnit->CurrentCubeMap = newTexObj; + break; + case GL_TEXTURE_RECTANGLE_NV: + texUnit->CurrentRect = newTexObj; + break; + default: + _mesa_problem(ctx, "bad target in BindTexture"); + return; + } + + /* Pass BindTexture call to device driver */ + if (ctx->Driver.BindTexture) + (*ctx->Driver.BindTexture)( ctx, target, newTexObj ); + + /* Decrement the reference count on the old texture and check if it's + * time to delete it. + */ + oldTexObj->RefCount--; + ASSERT(oldTexObj->RefCount >= 0); + if (oldTexObj->RefCount == 0) { + ASSERT(oldTexObj->Name != 0); + ASSERT(oldTexObj->DeletePending); + _mesa_remove_texture_object(ctx, oldTexObj); + ASSERT(ctx->Driver.DeleteTexture); + (*ctx->Driver.DeleteTexture)( ctx, oldTexObj ); + } +} + + +/** + * Set texture priorities. + * + * \param n number of textures. + * \param texName texture names. + * \param priorities corresponding texture priorities. + * + * \sa glPrioritizeTextures(). + * + * Looks up each texture in the hash, clamps the corresponding priority between + * 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture. + */ +void GLAPIENTRY +_mesa_PrioritizeTextures( GLsizei n, const GLuint *texName, + const GLclampf *priorities ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (n < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" ); + return; + } + + if (!priorities) + return; + + for (i = 0; i < n; i++) { + if (texName[i] > 0) { + struct gl_texture_object *t = (struct gl_texture_object *) + _mesa_HashLookup(ctx->Shared->TexObjects, texName[i]); + if (t) { + t->Priority = CLAMP( priorities[i], 0.0F, 1.0F ); + if (ctx->Driver.PrioritizeTexture) + ctx->Driver.PrioritizeTexture( ctx, t, t->Priority ); + } + } + } + + ctx->NewState |= _NEW_TEXTURE; +} + +/** + * See if textures are loaded in texture memory. + * + * \param n number of textures to query. + * \param texName array with the texture names. + * \param residences array which will hold the residence status. + * + * \return GL_TRUE if all textures are resident and \p residences is left unchanged, + * + * \sa glAreTexturesResident(). + * + * Looks up each texture in the hash and calls + * dd_function_table::IsTextureResident. + */ +GLboolean GLAPIENTRY +_mesa_AreTexturesResident(GLsizei n, const GLuint *texName, + GLboolean *residences) +{ + GET_CURRENT_CONTEXT(ctx); + GLboolean allResident = GL_TRUE; + GLint i, j; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)"); + return GL_FALSE; + } + + if (!texName || !residences) + return GL_FALSE; + + for (i = 0; i < n; i++) { + struct gl_texture_object *t; + if (texName[i] == 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident"); + return GL_FALSE; + } + t = (struct gl_texture_object *) + _mesa_HashLookup(ctx->Shared->TexObjects, texName[i]); + if (!t) { + _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident"); + return GL_FALSE; + } + if (!ctx->Driver.IsTextureResident || + ctx->Driver.IsTextureResident(ctx, t)) { + /* The texture is resident */ + if (!allResident) + residences[i] = GL_TRUE; + } + else { + /* The texture is not resident */ + if (allResident) { + allResident = GL_FALSE; + for (j = 0; j < i; j++) + residences[j] = GL_TRUE; + } + residences[i] = GL_FALSE; + } + } + + return allResident; +} + +/** + * See if a name corresponds to a texture. + * + * \param texture texture name. + * + * \return GL_TRUE if texture name corresponds to a texture, or GL_FALSE + * otherwise. + * + * \sa glIsTexture(). + * + * Calls _mesa_HashLookup(). + */ +GLboolean GLAPIENTRY +_mesa_IsTexture( GLuint texture ) +{ + struct gl_texture_object *t; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (!texture) + return GL_FALSE; + + t = (struct gl_texture_object *) + _mesa_HashLookup(ctx->Shared->TexObjects, texture); + + /* IsTexture is true only after object has been bound once. */ + return t && t->Target; +} + +/*@}*/ diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h new file mode 100644 index 0000000..c5cce28 --- /dev/null +++ b/src/mesa/main/texobj.h @@ -0,0 +1,101 @@ +/** + * \file texobj.h + * Texture object management. + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef TEXTOBJ_H +#define TEXTOBJ_H + + +#include "mtypes.h" + + +/** + * \name Internal functions + */ +/*@{*/ + +extern struct gl_texture_object * +_mesa_new_texture_object( GLcontext *ctx, GLuint name, GLenum target ); + +extern void +_mesa_initialize_texture_object( struct gl_texture_object *obj, + GLuint name, GLenum target ); + +extern void +_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *obj ); + +extern void +_mesa_save_texture_object( GLcontext *ctx, struct gl_texture_object *obj ); + +extern void +_mesa_remove_texture_object( GLcontext *ctx, struct gl_texture_object *obj ); + +extern void +_mesa_copy_texture_object( struct gl_texture_object *dest, + const struct gl_texture_object *src ); + +extern void +_mesa_test_texobj_completeness( const GLcontext *ctx, + struct gl_texture_object *obj ); + +/*@}*/ + + +/** + * \name API functions + */ +/*@{*/ + +extern void GLAPIENTRY +_mesa_GenTextures( GLsizei n, GLuint *textures ); + + +extern void GLAPIENTRY +_mesa_DeleteTextures( GLsizei n, const GLuint *textures ); + + +extern void GLAPIENTRY +_mesa_BindTexture( GLenum target, GLuint texture ); + + +extern void GLAPIENTRY +_mesa_PrioritizeTextures( GLsizei n, const GLuint *textures, + const GLclampf *priorities ); + + +extern GLboolean GLAPIENTRY +_mesa_AreTexturesResident( GLsizei n, const GLuint *textures, + GLboolean *residences ); + +extern GLboolean GLAPIENTRY +_mesa_IsTexture( GLuint texture ); + +/*@}*/ + +#endif diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c new file mode 100644 index 0000000..2686378 --- /dev/null +++ b/src/mesa/main/texstate.c @@ -0,0 +1,3248 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file texstate.c + * + * Texture state handling. + */ + +#include "glheader.h" +#include "colormac.h" +#include "colortab.h" +#include "context.h" +#include "enums.h" +#include "extensions.h" +#include "macros.h" +#include "nvfragprog.h" +#include "texobj.h" +#include "teximage.h" +#include "texstate.h" +#include "mtypes.h" +#include "math/m_xform.h" +#include "math/m_matrix.h" + + + +#ifdef SPECIALCAST +/* Needed for an Amiga compiler */ +#define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X)) +#define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X)) +#else +/* all other compilers */ +#define ENUM_TO_FLOAT(X) ((GLfloat)(X)) +#define ENUM_TO_DOUBLE(X) ((GLdouble)(X)) +#endif + +/** + * Default texture combine environment state. This is used to initialize + * a context's texture units and as the basis for converting "classic" + * texture environmnets to ARB_texture_env_combine style values. + */ +static const struct gl_tex_env_combine_state default_combine_state = { + GL_MODULATE, GL_MODULATE, + { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT }, + { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT }, + { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA }, + { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA }, + 0, 0, + 2, 2 +}; + + +void +_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) +{ + GLuint i; + + ASSERT(src); + ASSERT(dst); + + dst->Texture.CurrentUnit = src->Texture.CurrentUnit; + dst->Texture._GenFlags = src->Texture._GenFlags; + dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled; + dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled; + dst->Texture.SharedPalette = src->Texture.SharedPalette; + + /* per-unit state */ + for (i = 0; i < src->Const.MaxTextureUnits; i++) { + dst->Texture.Unit[i].Enabled = src->Texture.Unit[i].Enabled; + dst->Texture.Unit[i].EnvMode = src->Texture.Unit[i].EnvMode; + COPY_4V(dst->Texture.Unit[i].EnvColor, src->Texture.Unit[i].EnvColor); + dst->Texture.Unit[i].TexGenEnabled = src->Texture.Unit[i].TexGenEnabled; + dst->Texture.Unit[i].GenModeS = src->Texture.Unit[i].GenModeS; + dst->Texture.Unit[i].GenModeT = src->Texture.Unit[i].GenModeT; + dst->Texture.Unit[i].GenModeR = src->Texture.Unit[i].GenModeR; + dst->Texture.Unit[i].GenModeQ = src->Texture.Unit[i].GenModeQ; + dst->Texture.Unit[i]._GenBitS = src->Texture.Unit[i]._GenBitS; + dst->Texture.Unit[i]._GenBitT = src->Texture.Unit[i]._GenBitT; + dst->Texture.Unit[i]._GenBitR = src->Texture.Unit[i]._GenBitR; + dst->Texture.Unit[i]._GenBitQ = src->Texture.Unit[i]._GenBitQ; + dst->Texture.Unit[i]._GenFlags = src->Texture.Unit[i]._GenFlags; + COPY_4V(dst->Texture.Unit[i].ObjectPlaneS, src->Texture.Unit[i].ObjectPlaneS); + COPY_4V(dst->Texture.Unit[i].ObjectPlaneT, src->Texture.Unit[i].ObjectPlaneT); + COPY_4V(dst->Texture.Unit[i].ObjectPlaneR, src->Texture.Unit[i].ObjectPlaneR); + COPY_4V(dst->Texture.Unit[i].ObjectPlaneQ, src->Texture.Unit[i].ObjectPlaneQ); + COPY_4V(dst->Texture.Unit[i].EyePlaneS, src->Texture.Unit[i].EyePlaneS); + COPY_4V(dst->Texture.Unit[i].EyePlaneT, src->Texture.Unit[i].EyePlaneT); + COPY_4V(dst->Texture.Unit[i].EyePlaneR, src->Texture.Unit[i].EyePlaneR); + COPY_4V(dst->Texture.Unit[i].EyePlaneQ, src->Texture.Unit[i].EyePlaneQ); + dst->Texture.Unit[i].LodBias = src->Texture.Unit[i].LodBias; + + /* GL_EXT_texture_env_combine */ + dst->Texture.Unit[i].Combine.ModeRGB = src->Texture.Unit[i].Combine.ModeRGB; + dst->Texture.Unit[i].Combine.ModeA = src->Texture.Unit[i].Combine.ModeA; + COPY_3V(dst->Texture.Unit[i].Combine.SourceRGB, src->Texture.Unit[i].Combine.SourceRGB); + COPY_3V(dst->Texture.Unit[i].Combine.SourceA, src->Texture.Unit[i].Combine.SourceA); + COPY_3V(dst->Texture.Unit[i].Combine.OperandRGB, src->Texture.Unit[i].Combine.OperandRGB); + COPY_3V(dst->Texture.Unit[i].Combine.OperandA, src->Texture.Unit[i].Combine.OperandA); + dst->Texture.Unit[i].Combine.ScaleShiftRGB = src->Texture.Unit[i].Combine.ScaleShiftRGB; + dst->Texture.Unit[i].Combine.ScaleShiftA = src->Texture.Unit[i].Combine.ScaleShiftA; + + /* texture object state */ + _mesa_copy_texture_object(dst->Texture.Unit[i].Current1D, + src->Texture.Unit[i].Current1D); + _mesa_copy_texture_object(dst->Texture.Unit[i].Current2D, + src->Texture.Unit[i].Current2D); + _mesa_copy_texture_object(dst->Texture.Unit[i].Current3D, + src->Texture.Unit[i].Current3D); + _mesa_copy_texture_object(dst->Texture.Unit[i].CurrentCubeMap, + src->Texture.Unit[i].CurrentCubeMap); + _mesa_copy_texture_object(dst->Texture.Unit[i].CurrentRect, + src->Texture.Unit[i].CurrentRect); + } +} + +#ifdef DEBUG +/* + * For debugging + */ +void +_mesa_print_texunit_state( GLcontext *ctx, GLuint unit ) +{ + const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit; + _mesa_printf("Texture Unit %d\n", unit); + _mesa_printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode)); + _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB)); + _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA)); + _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0])); + _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1])); + _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2])); + _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0])); + _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1])); + _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2])); + _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0])); + _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1])); + _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2])); + _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0])); + _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1])); + _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2])); + _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB); + _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA); + _mesa_printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]); +} +#endif + + +/**********************************************************************/ +/* Texture Environment */ +/**********************************************************************/ + +/** + * Convert "classic" texture environment to ARB_texture_env_combine style + * environments. + * + * \param state texture_env_combine state vector to be filled-in. + * \param mode Classic texture environment mode (i.e., \c GL_REPLACE, + * \c GL_BLEND, \c GL_DECAL, etc.). + * \param texBaseFormat Base format of the texture associated with the + * texture unit. + */ +static void +calculate_derived_texenv( struct gl_tex_env_combine_state *state, + GLenum mode, GLenum texBaseFormat ) +{ + GLenum mode_rgb; + GLenum mode_a; + + *state = default_combine_state; + + switch (texBaseFormat) { + case GL_ALPHA: + state->SourceRGB[0] = GL_PREVIOUS; + break; + + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + case GL_RGBA: + break; + + case GL_LUMINANCE: + case GL_RGB: + case GL_YCBCR_MESA: + state->SourceA[0] = GL_PREVIOUS; + break; + + default: + _mesa_problem(NULL, "Invalid texBaseFormat in calculate_derived_texenv"); + return; + } + + switch (mode) { + case GL_REPLACE: + case GL_MODULATE: + mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : mode; + mode_a = mode; + break; + + case GL_DECAL: + mode_rgb = GL_INTERPOLATE; + mode_a = GL_REPLACE; + + state->SourceA[0] = GL_PREVIOUS; + + /* Having alpha / luminance / intensity textures replace using the + * incoming fragment color matches the definition in NV_texture_shader. + * The 1.5 spec simply marks these as "undefined". + */ + switch (texBaseFormat) { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + state->SourceRGB[0] = GL_PREVIOUS; + break; + case GL_RGB: + case GL_YCBCR_MESA: + mode_rgb = GL_REPLACE; + break; + case GL_RGBA: + state->SourceRGB[2] = GL_TEXTURE; + break; + } + break; + + case GL_BLEND: + mode_rgb = GL_INTERPOLATE; + mode_a = GL_MODULATE; + + switch (texBaseFormat) { + case GL_ALPHA: + mode_rgb = GL_REPLACE; + break; + case GL_INTENSITY: + mode_a = GL_INTERPOLATE; + state->SourceA[0] = GL_CONSTANT; + state->OperandA[2] = GL_SRC_ALPHA; + /* FALLTHROUGH */ + case GL_LUMINANCE: + case GL_RGB: + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + case GL_YCBCR_MESA: + state->SourceRGB[2] = GL_TEXTURE; + state->SourceA[2] = GL_TEXTURE; + state->SourceRGB[0] = GL_CONSTANT; + state->OperandRGB[2] = GL_SRC_COLOR; + break; + } + break; + + case GL_ADD: + mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : GL_ADD; + mode_a = (texBaseFormat == GL_INTENSITY) ? GL_ADD : GL_MODULATE; + break; + + default: + _mesa_problem(NULL, + "Invalid texture env mode in calculate_derived_texenv"); + return; + } + + state->ModeRGB = (state->SourceRGB[0] != GL_PREVIOUS) + ? mode_rgb : GL_REPLACE; + state->ModeA = (state->SourceA[0] != GL_PREVIOUS) + ? mode_a : GL_REPLACE; +} + + +void GLAPIENTRY +_mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + +#define TE_ERROR(errCode, msg, value) \ + _mesa_error(ctx, errCode, msg, _mesa_lookup_enum_by_nr(value)); + + if (target == GL_TEXTURE_ENV) { + switch (pname) { + case GL_TEXTURE_ENV_MODE: + { + const GLenum mode = (GLenum) (GLint) *param; + if (texUnit->EnvMode == mode) + return; + if (mode == GL_MODULATE || + mode == GL_BLEND || + mode == GL_DECAL || + mode == GL_REPLACE || + (mode == GL_ADD && ctx->Extensions.EXT_texture_env_add) || + (mode == GL_COMBINE && + (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine))) { + /* legal */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->EnvMode = mode; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + } + break; + case GL_TEXTURE_ENV_COLOR: + { + GLfloat tmp[4]; + tmp[0] = CLAMP( param[0], 0.0F, 1.0F ); + tmp[1] = CLAMP( param[1], 0.0F, 1.0F ); + tmp[2] = CLAMP( param[2], 0.0F, 1.0F ); + tmp[3] = CLAMP( param[3], 0.0F, 1.0F ); + if (TEST_EQ_4V(tmp, texUnit->EnvColor)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + COPY_4FV(texUnit->EnvColor, tmp); + } + break; + case GL_COMBINE_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum mode = (GLenum) (GLint) *param; + if (texUnit->Combine.ModeRGB == mode) + return; + switch (mode) { + case GL_REPLACE: + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_INTERPOLATE: + /* OK */ + break; + case GL_SUBTRACT: + if (!ctx->Extensions.ARB_texture_env_combine) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + case GL_DOT3_RGB_EXT: + case GL_DOT3_RGBA_EXT: + if (!ctx->Extensions.EXT_texture_env_dot3) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + case GL_DOT3_RGB: + case GL_DOT3_RGBA: + if (!ctx->Extensions.ARB_texture_env_dot3) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + if (!ctx->Extensions.ATI_texture_env_combine3) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.ModeRGB = mode; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_COMBINE_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum mode = (GLenum) (GLint) *param; + if (texUnit->Combine.ModeA == mode) + return; + switch (mode) { + case GL_REPLACE: + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_INTERPOLATE: + /* OK */ + break; + case GL_SUBTRACT: + if (!ctx->Extensions.ARB_texture_env_combine) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + if (!ctx->Extensions.ATI_texture_env_combine3) { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); + return; + } + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.ModeA = mode; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_SOURCE0_RGB: + case GL_SOURCE1_RGB: + case GL_SOURCE2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum source = (GLenum) (GLint) *param; + const GLuint s = pname - GL_SOURCE0_RGB; + if (texUnit->Combine.SourceRGB[s] == source) + return; + if (source == GL_TEXTURE || + source == GL_CONSTANT || + source == GL_PRIMARY_COLOR || + source == GL_PREVIOUS || + (ctx->Extensions.ARB_texture_env_crossbar && + source >= GL_TEXTURE0 && + source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) || + (ctx->Extensions.ATI_texture_env_combine3 && + (source == GL_ZERO || source == GL_ONE))) { + /* legal */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.SourceRGB[s] = source; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_SOURCE0_ALPHA: + case GL_SOURCE1_ALPHA: + case GL_SOURCE2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum source = (GLenum) (GLint) *param; + const GLuint s = pname - GL_SOURCE0_ALPHA; + if (texUnit->Combine.SourceA[s] == source) + return; + if (source == GL_TEXTURE || + source == GL_CONSTANT || + source == GL_PRIMARY_COLOR || + source == GL_PREVIOUS || + (ctx->Extensions.ARB_texture_env_crossbar && + source >= GL_TEXTURE0 && + source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) || + (ctx->Extensions.ATI_texture_env_combine3 && + (source == GL_ZERO || source == GL_ONE))) { + /* legal */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.SourceA[s] = source; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_OPERAND0_RGB: + case GL_OPERAND1_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum operand = (GLenum) (GLint) *param; + const GLuint s = pname - GL_OPERAND0_RGB; + if (texUnit->Combine.OperandRGB[s] == operand) + return; + switch (operand) { + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.OperandRGB[s] = operand; + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_OPERAND0_ALPHA: + case GL_OPERAND1_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum operand = (GLenum) (GLint) *param; + if (texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] == operand) + return; + switch (operand) { + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] = operand; + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_OPERAND2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum operand = (GLenum) (GLint) *param; + if (texUnit->Combine.OperandRGB[2] == operand) + return; + switch (operand) { + case GL_SRC_COLOR: /* ARB combine only */ + case GL_ONE_MINUS_SRC_COLOR: /* ARB combine only */ + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.OperandRGB[2] = operand; + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_OPERAND2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + const GLenum operand = (GLenum) (GLint) *param; + if (texUnit->Combine.OperandA[2] == operand) + return; + switch (operand) { + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.OperandA[2] = operand; + break; + default: + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); + return; + } + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_RGB_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + GLuint newshift; + if (*param == 1.0) { + newshift = 0; + } + else if (*param == 2.0) { + newshift = 1; + } + else if (*param == 4.0) { + newshift = 2; + } + else { + _mesa_error( ctx, GL_INVALID_VALUE, + "glTexEnv(GL_RGB_SCALE not 1, 2 or 4)" ); + return; + } + if (texUnit->Combine.ScaleShiftRGB == newshift) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.ScaleShiftRGB = newshift; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + case GL_ALPHA_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + GLuint newshift; + if (*param == 1.0) { + newshift = 0; + } + else if (*param == 2.0) { + newshift = 1; + } + else if (*param == 4.0) { + newshift = 2; + } + else { + _mesa_error( ctx, GL_INVALID_VALUE, + "glTexEnv(GL_ALPHA_SCALE not 1, 2 or 4)" ); + return; + } + if (texUnit->Combine.ScaleShiftA == newshift) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Combine.ScaleShiftA = newshift; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" ); + return; + } + } + else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) { + /* GL_EXT_texture_lod_bias */ + if (!ctx->Extensions.EXT_texture_lod_bias) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target ); + return; + } + if (pname == GL_TEXTURE_LOD_BIAS_EXT) { + if (texUnit->LodBias == param[0]) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->LodBias = param[0]; + } + else { + TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); + return; + } + } + else if (target == GL_POINT_SPRITE_NV) { + /* GL_ARB_point_sprite / GL_NV_point_sprite */ + if (!ctx->Extensions.NV_point_sprite + && !ctx->Extensions.ARB_point_sprite) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target ); + return; + } + if (pname == GL_COORD_REPLACE_NV) { + const GLenum value = (GLenum) param[0]; + if (value == GL_TRUE || value == GL_FALSE) { + /* It's kind of weird to set point state via glTexEnv, + * but that's what the spec calls for. + */ + const GLboolean state = (GLboolean) value; + if (ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] == state) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] = state; + } + else { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", value); + return; + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname ); + return; + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)",target ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glTexEnv %s %s %.1f(%s) ...\n", + _mesa_lookup_enum_by_nr(target), + _mesa_lookup_enum_by_nr(pname), + *param, + _mesa_lookup_enum_by_nr((GLenum) (GLint) *param)); + + /* Tell device driver about the new texture environment */ + if (ctx->Driver.TexEnv) { + (*ctx->Driver.TexEnv)( ctx, target, pname, param ); + } +} + + +void GLAPIENTRY +_mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param ) +{ + _mesa_TexEnvfv( target, pname, ¶m ); +} + + + +void GLAPIENTRY +_mesa_TexEnvi( GLenum target, GLenum pname, GLint param ) +{ + GLfloat p[4]; + p[0] = (GLfloat) param; + p[1] = p[2] = p[3] = 0.0; + _mesa_TexEnvfv( target, pname, p ); +} + + +void GLAPIENTRY +_mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param ) +{ + GLfloat p[4]; + if (pname == GL_TEXTURE_ENV_COLOR) { + p[0] = INT_TO_FLOAT( param[0] ); + p[1] = INT_TO_FLOAT( param[1] ); + p[2] = INT_TO_FLOAT( param[2] ); + p[3] = INT_TO_FLOAT( param[3] ); + } + else { + p[0] = (GLfloat) param[0]; + p[1] = p[2] = p[3] = 0; /* init to zero, just to be safe */ + } + _mesa_TexEnvfv( target, pname, p ); +} + + +void GLAPIENTRY +_mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_TEXTURE_ENV) { + switch (pname) { + case GL_TEXTURE_ENV_MODE: + *params = ENUM_TO_FLOAT(texUnit->EnvMode); + break; + case GL_TEXTURE_ENV_COLOR: + COPY_4FV( params, texUnit->EnvColor ); + break; + case GL_COMBINE_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.ModeRGB; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_COMBINE_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.ModeA; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE0_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceRGB[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE1_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceRGB[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceRGB[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE0_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceA[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE1_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceA[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_SOURCE2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.SourceA[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND0_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandRGB[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND1_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandRGB[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandRGB[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND0_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandA[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND1_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandA[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_OPERAND2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLfloat) texUnit->Combine.OperandA[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + } + break; + case GL_RGB_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + if (texUnit->Combine.ScaleShiftRGB == 0) + *params = 1.0; + else if (texUnit->Combine.ScaleShiftRGB == 1) + *params = 2.0; + else + *params = 4.0; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + return; + } + break; + case GL_ALPHA_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + if (texUnit->Combine.ScaleShiftA == 0) + *params = 1.0; + else if (texUnit->Combine.ScaleShiftA == 1) + *params = 2.0; + else + *params = 4.0; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); + return; + } + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname=0x%x)", pname); + } + } + else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) { + /* GL_EXT_texture_lod_bias */ + if (!ctx->Extensions.EXT_texture_lod_bias) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" ); + return; + } + if (pname == GL_TEXTURE_LOD_BIAS_EXT) { + *params = texUnit->LodBias; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" ); + return; + } + } + else if (target == GL_POINT_SPRITE_NV) { + /* GL_ARB_point_sprite / GL_NV_point_sprite */ + if (!ctx->Extensions.NV_point_sprite + && !ctx->Extensions.ARB_point_sprite) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" ); + return; + } + if (pname == GL_COORD_REPLACE_NV) { + *params = (GLfloat) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" ); + return; + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" ); + return; + } +} + + +void GLAPIENTRY +_mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_TEXTURE_ENV) { + switch (pname) { + case GL_TEXTURE_ENV_MODE: + *params = (GLint) texUnit->EnvMode; + break; + case GL_TEXTURE_ENV_COLOR: + params[0] = FLOAT_TO_INT( texUnit->EnvColor[0] ); + params[1] = FLOAT_TO_INT( texUnit->EnvColor[1] ); + params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] ); + params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] ); + break; + case GL_COMBINE_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.ModeRGB; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_COMBINE_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.ModeA; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE0_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceRGB[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE1_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceRGB[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceRGB[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE0_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceA[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE1_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceA[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_SOURCE2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.SourceA[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND0_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandRGB[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND1_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandRGB[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND2_RGB: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandRGB[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND0_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandA[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND1_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandA[1]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_OPERAND2_ALPHA: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + *params = (GLint) texUnit->Combine.OperandA[2]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + } + break; + case GL_RGB_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + if (texUnit->Combine.ScaleShiftRGB == 0) + *params = 1; + else if (texUnit->Combine.ScaleShiftRGB == 1) + *params = 2; + else + *params = 4; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + return; + } + break; + case GL_ALPHA_SCALE: + if (ctx->Extensions.EXT_texture_env_combine || + ctx->Extensions.ARB_texture_env_combine) { + if (texUnit->Combine.ScaleShiftA == 0) + *params = 1; + else if (texUnit->Combine.ScaleShiftA == 1) + *params = 2; + else + *params = 4; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); + return; + } + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname=0x%x)", + pname); + } + } + else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) { + /* GL_EXT_texture_lod_bias */ + if (!ctx->Extensions.EXT_texture_lod_bias) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" ); + return; + } + if (pname == GL_TEXTURE_LOD_BIAS_EXT) { + *params = (GLint) texUnit->LodBias; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" ); + return; + } + } + else if (target == GL_POINT_SPRITE_NV) { + /* GL_ARB_point_sprite / GL_NV_point_sprite */ + if (!ctx->Extensions.NV_point_sprite + && !ctx->Extensions.ARB_point_sprite) { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" ); + return; + } + if (pname == GL_COORD_REPLACE_NV) { + *params = (GLint) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" ); + return; + } + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" ); + return; + } +} + + + + +/**********************************************************************/ +/* Texture Parameters */ +/**********************************************************************/ + +static GLboolean +_mesa_validate_texture_wrap_mode(GLcontext * ctx, + GLenum target, GLenum eparam) +{ + const struct gl_extensions * const e = & ctx->Extensions; + + if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE || + (eparam == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) { + /* any texture target */ + return GL_TRUE; + } + else if (target != GL_TEXTURE_RECTANGLE_NV && + (eparam == GL_REPEAT || + (eparam == GL_MIRRORED_REPEAT && + e->ARB_texture_mirrored_repeat) || + (eparam == GL_MIRROR_CLAMP_EXT && + (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || + (eparam == GL_MIRROR_CLAMP_TO_EDGE_EXT && + (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || + (eparam == GL_MIRROR_CLAMP_TO_BORDER_EXT && + (e->EXT_texture_mirror_clamp)))) { + /* non-rectangle texture */ + return GL_TRUE; + } + + _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return GL_FALSE; +} + + +void GLAPIENTRY +_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ) +{ + _mesa_TexParameterfv(target, pname, ¶m); +} + + +void GLAPIENTRY +_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + GLenum eparam = (GLenum) (GLint) params[0]; + struct gl_texture_object *texObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n", + _mesa_lookup_enum_by_nr(target), + _mesa_lookup_enum_by_nr(pname), + *params, + _mesa_lookup_enum_by_nr(eparam)); + + + switch (target) { + case GL_TEXTURE_1D: + texObj = texUnit->Current1D; + break; + case GL_TEXTURE_2D: + texObj = texUnit->Current2D; + break; + case GL_TEXTURE_3D: + texObj = texUnit->Current3D; + break; + case GL_TEXTURE_CUBE_MAP: + if (!ctx->Extensions.ARB_texture_cube_map) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); + return; + } + texObj = texUnit->CurrentCubeMap; + break; + case GL_TEXTURE_RECTANGLE_NV: + if (!ctx->Extensions.NV_texture_rectangle) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); + return; + } + texObj = texUnit->CurrentRect; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); + return; + } + + switch (pname) { + case GL_TEXTURE_MIN_FILTER: + /* A small optimization */ + if (texObj->MinFilter == eparam) + return; + if (eparam==GL_NEAREST || eparam==GL_LINEAR) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MinFilter = eparam; + } + else if ((eparam==GL_NEAREST_MIPMAP_NEAREST || + eparam==GL_LINEAR_MIPMAP_NEAREST || + eparam==GL_NEAREST_MIPMAP_LINEAR || + eparam==GL_LINEAR_MIPMAP_LINEAR) && + texObj->Target != GL_TEXTURE_RECTANGLE_NV) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MinFilter = eparam; + } + else { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + break; + case GL_TEXTURE_MAG_FILTER: + /* A small optimization */ + if (texObj->MagFilter == eparam) + return; + + if (eparam==GL_NEAREST || eparam==GL_LINEAR) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MagFilter = eparam; + } + else { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + break; + case GL_TEXTURE_WRAP_S: + if (texObj->WrapS == eparam) + return; + if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->WrapS = eparam; + } + else { + return; + } + break; + case GL_TEXTURE_WRAP_T: + if (texObj->WrapT == eparam) + return; + if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->WrapT = eparam; + } + else { + return; + } + break; + case GL_TEXTURE_WRAP_R: + if (texObj->WrapR == eparam) + return; + if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->WrapR = eparam; + } + else { + return; + } + break; + case GL_TEXTURE_BORDER_COLOR: + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->BorderColor[RCOMP] = params[0]; + texObj->BorderColor[GCOMP] = params[1]; + texObj->BorderColor[BCOMP] = params[2]; + texObj->BorderColor[ACOMP] = params[3]; + UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]); + UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]); + UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]); + UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]); + break; + case GL_TEXTURE_MIN_LOD: + if (texObj->MinLod == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MinLod = params[0]; + break; + case GL_TEXTURE_MAX_LOD: + if (texObj->MaxLod == params[0]) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MaxLod = params[0]; + break; + case GL_TEXTURE_BASE_LEVEL: + if (params[0] < 0.0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + if (target == GL_TEXTURE_RECTANGLE_NV && params[0] != 0.0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->BaseLevel = (GLint) params[0]; + break; + case GL_TEXTURE_MAX_LEVEL: + if (params[0] < 0.0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MaxLevel = (GLint) params[0]; + break; + case GL_TEXTURE_PRIORITY: + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); + break; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: + if (ctx->Extensions.EXT_texture_filter_anisotropic) { + if (params[0] < 1.0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); + return; + } + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->MaxAnisotropy = params[0]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); + return; + } + break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)"); + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + GLenum op = (GLenum) params[0]; + if (op == GL_TEXTURE_LEQUAL_R_SGIX || + op == GL_TEXTURE_GEQUAL_R_SGIX) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->CompareOperator = op; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)"); + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)"); + return; + } + break; + case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ + if (ctx->Extensions.SGIX_shadow_ambient) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)"); + return; + } + break; + case GL_GENERATE_MIPMAP_SGIS: + if (ctx->Extensions.SGIS_generate_mipmap) { + texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)"); + return; + } + break; + case GL_TEXTURE_COMPARE_MODE_ARB: + if (ctx->Extensions.ARB_shadow) { + const GLenum mode = (GLenum) params[0]; + if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->CompareMode = mode; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode); + return; + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)"); + return; + } + break; + case GL_TEXTURE_COMPARE_FUNC_ARB: + if (ctx->Extensions.ARB_shadow) { + const GLenum func = (GLenum) params[0]; + if (func == GL_LEQUAL || func == GL_GEQUAL) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->CompareFunc = func; + } + else if (ctx->Extensions.EXT_shadow_funcs && + (func == GL_EQUAL || + func == GL_NOTEQUAL || + func == GL_LESS || + func == GL_GREATER || + func == GL_ALWAYS || + func == GL_NEVER)) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->CompareFunc = func; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)"); + return; + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)"); + return; + } + break; + case GL_DEPTH_TEXTURE_MODE_ARB: + if (ctx->Extensions.ARB_depth_texture) { + const GLenum result = (GLenum) params[0]; + if (result == GL_LUMINANCE || result == GL_INTENSITY + || result == GL_ALPHA) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->DepthMode = result; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)"); + return; + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)"); + return; + } + break; + case GL_TEXTURE_LOD_BIAS: + /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias*/ + if (ctx->Extensions.EXT_texture_lod_bias) { + if (texObj->LodBias != params[0]) { + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texObj->LodBias = params[0]; + } + } + break; + + default: + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(pname=0x%x)", pname); + return; + } + + texObj->Complete = GL_FALSE; + + if (ctx->Driver.TexParameter) { + (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); + } +} + + +void GLAPIENTRY +_mesa_TexParameteri( GLenum target, GLenum pname, GLint param ) +{ + GLfloat fparam[4]; + if (pname == GL_TEXTURE_PRIORITY) + fparam[0] = INT_TO_FLOAT(param); + else + fparam[0] = (GLfloat) param; + fparam[1] = fparam[2] = fparam[3] = 0.0; + _mesa_TexParameterfv(target, pname, fparam); +} + + +void GLAPIENTRY +_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) +{ + GLfloat fparam[4]; + if (pname == GL_TEXTURE_BORDER_COLOR) { + fparam[0] = INT_TO_FLOAT(params[0]); + fparam[1] = INT_TO_FLOAT(params[1]); + fparam[2] = INT_TO_FLOAT(params[2]); + fparam[3] = INT_TO_FLOAT(params[3]); + } + else { + if (pname == GL_TEXTURE_PRIORITY) + fparam[0] = INT_TO_FLOAT(params[0]); + else + fparam[0] = (GLfloat) params[0]; + fparam[1] = fparam[2] = fparam[3] = 0.0F; + } + _mesa_TexParameterfv(target, pname, fparam); +} + + +void GLAPIENTRY +_mesa_GetTexLevelParameterfv( GLenum target, GLint level, + GLenum pname, GLfloat *params ) +{ + GLint iparam; + _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); + *params = (GLfloat) iparam; +} + + +static GLuint +tex_image_dimensions(GLcontext *ctx, GLenum target) +{ + switch (target) { + case GL_TEXTURE_1D: + case GL_PROXY_TEXTURE_1D: + return 1; + case GL_TEXTURE_2D: + case GL_PROXY_TEXTURE_2D: + return 2; + case GL_TEXTURE_3D: + case GL_PROXY_TEXTURE_3D: + return 3; + case GL_TEXTURE_CUBE_MAP: + case GL_PROXY_TEXTURE_CUBE_MAP: + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + return ctx->Extensions.ARB_texture_cube_map ? 2 : 0; + case GL_TEXTURE_RECTANGLE_NV: + case GL_PROXY_TEXTURE_RECTANGLE_NV: + return ctx->Extensions.NV_texture_rectangle ? 2 : 0; + default: + _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()"); + return 0; + } +} + + +void GLAPIENTRY +_mesa_GetTexLevelParameteriv( GLenum target, GLint level, + GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + const struct gl_texture_image *img = NULL; + GLuint dimensions; + GLboolean isProxy; + GLint maxLevels; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + /* this will catch bad target values */ + dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */ + if (dimensions == 0) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)"); + return; + } + + switch (target) { + case GL_TEXTURE_1D: + case GL_PROXY_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_PROXY_TEXTURE_2D: + maxLevels = ctx->Const.MaxTextureLevels; + break; + case GL_TEXTURE_3D: + case GL_PROXY_TEXTURE_3D: + maxLevels = ctx->Const.Max3DTextureLevels; + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + case GL_PROXY_TEXTURE_CUBE_MAP: + maxLevels = ctx->Const.MaxCubeTextureLevels; + break; + case GL_TEXTURE_RECTANGLE_NV: + case GL_PROXY_TEXTURE_RECTANGLE_NV: + maxLevels = 1; + break; + default: + _mesa_problem(ctx, "switch in _mesa_GetTexLevelParameter"); + return; + } + + if (level < 0 || level >= maxLevels) { + _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); + return; + } + + img = _mesa_select_tex_image(ctx, texUnit, target, level); + if (!img || !img->TexFormat) { + /* undefined texture image */ + if (pname == GL_TEXTURE_COMPONENTS) + *params = 1; + else + *params = 0; + return; + } + + isProxy = (target == GL_PROXY_TEXTURE_1D) || + (target == GL_PROXY_TEXTURE_2D) || + (target == GL_PROXY_TEXTURE_3D) || + (target == GL_PROXY_TEXTURE_CUBE_MAP) || + (target == GL_PROXY_TEXTURE_RECTANGLE_NV); + + switch (pname) { + case GL_TEXTURE_WIDTH: + *params = img->Width; + return; + case GL_TEXTURE_HEIGHT: + *params = img->Height; + return; + case GL_TEXTURE_DEPTH: + *params = img->Depth; + return; + case GL_TEXTURE_INTERNAL_FORMAT: + *params = img->IntFormat; + return; + case GL_TEXTURE_BORDER: + *params = img->Border; + return; + case GL_TEXTURE_RED_SIZE: + if (img->Format == GL_RGB || img->Format == GL_RGBA) + *params = img->TexFormat->RedBits; + else + *params = 0; + return; + case GL_TEXTURE_GREEN_SIZE: + if (img->Format == GL_RGB || img->Format == GL_RGBA) + *params = img->TexFormat->GreenBits; + else + *params = 0; + return; + case GL_TEXTURE_BLUE_SIZE: + if (img->Format == GL_RGB || img->Format == GL_RGBA) + *params = img->TexFormat->BlueBits; + else + *params = 0; + return; + case GL_TEXTURE_ALPHA_SIZE: + if (img->Format == GL_ALPHA || img->Format == GL_LUMINANCE_ALPHA || + img->Format == GL_RGBA) + *params = img->TexFormat->AlphaBits; + else + *params = 0; + return; + case GL_TEXTURE_INTENSITY_SIZE: + if (img->Format != GL_INTENSITY) + *params = 0; + else if (img->TexFormat->IntensityBits > 0) + *params = img->TexFormat->IntensityBits; + else /* intensity probably stored as rgb texture */ + *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits); + return; + case GL_TEXTURE_LUMINANCE_SIZE: + if (img->Format != GL_LUMINANCE && + img->Format != GL_LUMINANCE_ALPHA) + *params = 0; + else if (img->TexFormat->LuminanceBits > 0) + *params = img->TexFormat->LuminanceBits; + else /* luminance probably stored as rgb texture */ + *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits); + return; + case GL_TEXTURE_INDEX_SIZE_EXT: + if (img->Format == GL_COLOR_INDEX) + *params = img->TexFormat->IndexBits; + else + *params = 0; + return; + case GL_DEPTH_BITS: + /* XXX this isn't in the GL_SGIX_depth_texture spec + * but seems appropriate. + */ + if (ctx->Extensions.SGIX_depth_texture) + *params = img->TexFormat->DepthBits; + else + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + return; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: + if (ctx->Extensions.ARB_texture_compression) { + if (img->IsCompressed && !isProxy) + *params = img->CompressedSize; + else + _mesa_error(ctx, GL_INVALID_OPERATION, + "glGetTexLevelParameter[if]v(pname)"); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_COMPRESSED: + if (ctx->Extensions.ARB_texture_compression) { + *params = (GLint) img->IsCompressed; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + + /* GL_ARB_texture_float */ + case GL_TEXTURE_RED_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->RedBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_GREEN_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->GreenBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_BLUE_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->BlueBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_ALPHA_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->AlphaBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_LUMINANCE_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_INTENSITY_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->IntensityBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + case GL_TEXTURE_DEPTH_TYPE_ARB: + if (ctx->Extensions.ARB_texture_float) { + *params = img->TexFormat->DepthBits ? img->TexFormat->DataType : GL_NONE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + return; + default: + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } +} + + + +void GLAPIENTRY +_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *obj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + obj = _mesa_select_tex_object(ctx, texUnit, target); + if (!obj) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); + return; + } + + switch (pname) { + case GL_TEXTURE_MAG_FILTER: + *params = ENUM_TO_FLOAT(obj->MagFilter); + return; + case GL_TEXTURE_MIN_FILTER: + *params = ENUM_TO_FLOAT(obj->MinFilter); + return; + case GL_TEXTURE_WRAP_S: + *params = ENUM_TO_FLOAT(obj->WrapS); + return; + case GL_TEXTURE_WRAP_T: + *params = ENUM_TO_FLOAT(obj->WrapT); + return; + case GL_TEXTURE_WRAP_R: + *params = ENUM_TO_FLOAT(obj->WrapR); + return; + case GL_TEXTURE_BORDER_COLOR: + params[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); + params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); + params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); + params[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); + return; + case GL_TEXTURE_RESIDENT: + { + GLboolean resident; + if (ctx->Driver.IsTextureResident) + resident = ctx->Driver.IsTextureResident(ctx, obj); + else + resident = GL_TRUE; + *params = ENUM_TO_FLOAT(resident); + } + return; + case GL_TEXTURE_PRIORITY: + *params = obj->Priority; + return; + case GL_TEXTURE_MIN_LOD: + *params = obj->MinLod; + return; + case GL_TEXTURE_MAX_LOD: + *params = obj->MaxLod; + return; + case GL_TEXTURE_BASE_LEVEL: + *params = (GLfloat) obj->BaseLevel; + return; + case GL_TEXTURE_MAX_LEVEL: + *params = (GLfloat) obj->MaxLevel; + return; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: + if (ctx->Extensions.EXT_texture_filter_anisotropic) { + *params = obj->MaxAnisotropy; + return; + } + break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLfloat) obj->CompareFlag; + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLfloat) obj->CompareOperator; + return; + } + break; + case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ + if (ctx->Extensions.SGIX_shadow_ambient) { + *params = obj->ShadowAmbient; + return; + } + break; + case GL_GENERATE_MIPMAP_SGIS: + if (ctx->Extensions.SGIS_generate_mipmap) { + *params = (GLfloat) obj->GenerateMipmap; + return; + } + break; + case GL_TEXTURE_COMPARE_MODE_ARB: + if (ctx->Extensions.ARB_shadow) { + *params = (GLfloat) obj->CompareMode; + return; + } + break; + case GL_TEXTURE_COMPARE_FUNC_ARB: + if (ctx->Extensions.ARB_shadow) { + *params = (GLfloat) obj->CompareFunc; + return; + } + break; + case GL_DEPTH_TEXTURE_MODE_ARB: + if (ctx->Extensions.ARB_depth_texture) { + *params = (GLfloat) obj->DepthMode; + return; + } + break; + case GL_TEXTURE_LOD_BIAS: + if (ctx->Extensions.EXT_texture_lod_bias) { + *params = obj->LodBias; + return; + } + break; + default: + ; /* silence warnings */ + } + /* If we get here, pname was an unrecognized enum */ + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", + pname); +} + + +void GLAPIENTRY +_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *obj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + obj = _mesa_select_tex_object(ctx, texUnit, target); + if (!obj) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)"); + return; + } + + switch (pname) { + case GL_TEXTURE_MAG_FILTER: + *params = (GLint) obj->MagFilter; + return; + case GL_TEXTURE_MIN_FILTER: + *params = (GLint) obj->MinFilter; + return; + case GL_TEXTURE_WRAP_S: + *params = (GLint) obj->WrapS; + return; + case GL_TEXTURE_WRAP_T: + *params = (GLint) obj->WrapT; + return; + case GL_TEXTURE_WRAP_R: + *params = (GLint) obj->WrapR; + return; + case GL_TEXTURE_BORDER_COLOR: + { + GLfloat b[4]; + b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); + b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); + b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); + b[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); + params[0] = FLOAT_TO_INT(b[0]); + params[1] = FLOAT_TO_INT(b[1]); + params[2] = FLOAT_TO_INT(b[2]); + params[3] = FLOAT_TO_INT(b[3]); + } + return; + case GL_TEXTURE_RESIDENT: + { + GLboolean resident; + if (ctx->Driver.IsTextureResident) + resident = ctx->Driver.IsTextureResident(ctx, obj); + else + resident = GL_TRUE; + *params = (GLint) resident; + } + return; + case GL_TEXTURE_PRIORITY: + *params = FLOAT_TO_INT(obj->Priority); + return; + case GL_TEXTURE_MIN_LOD: + *params = (GLint) obj->MinLod; + return; + case GL_TEXTURE_MAX_LOD: + *params = (GLint) obj->MaxLod; + return; + case GL_TEXTURE_BASE_LEVEL: + *params = obj->BaseLevel; + return; + case GL_TEXTURE_MAX_LEVEL: + *params = obj->MaxLevel; + return; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: + if (ctx->Extensions.EXT_texture_filter_anisotropic) { + *params = (GLint) obj->MaxAnisotropy; + return; + } + break; + case GL_TEXTURE_COMPARE_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLint) obj->CompareFlag; + return; + } + break; + case GL_TEXTURE_COMPARE_OPERATOR_SGIX: + if (ctx->Extensions.SGIX_shadow) { + *params = (GLint) obj->CompareOperator; + return; + } + break; + case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ + if (ctx->Extensions.SGIX_shadow_ambient) { + *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient); + return; + } + break; + case GL_GENERATE_MIPMAP_SGIS: + if (ctx->Extensions.SGIS_generate_mipmap) { + *params = (GLint) obj->GenerateMipmap; + return; + } + break; + case GL_TEXTURE_COMPARE_MODE_ARB: + if (ctx->Extensions.ARB_shadow) { + *params = (GLint) obj->CompareMode; + return; + } + break; + case GL_TEXTURE_COMPARE_FUNC_ARB: + if (ctx->Extensions.ARB_shadow) { + *params = (GLint) obj->CompareFunc; + return; + } + break; + case GL_DEPTH_TEXTURE_MODE_ARB: + if (ctx->Extensions.ARB_depth_texture) { + *params = (GLint) obj->DepthMode; + return; + } + break; + case GL_TEXTURE_LOD_BIAS: + if (ctx->Extensions.EXT_texture_lod_bias) { + *params = (GLint) obj->LodBias; + return; + } + break; + default: + ; /* silence warnings */ + } + /* If we get here, pname was an unrecognized enum */ + _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname); +} + + + + +/**********************************************************************/ +/* Texture Coord Generation */ +/**********************************************************************/ + +#if FEATURE_texgen +void GLAPIENTRY +_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint tUnit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glTexGen %s %s %.1f(%s)...\n", + _mesa_lookup_enum_by_nr(coord), + _mesa_lookup_enum_by_nr(pname), + *params, + _mesa_lookup_enum_by_nr((GLenum) (GLint) *params)); + + switch (coord) { + case GL_S: + if (pname==GL_TEXTURE_GEN_MODE) { + GLenum mode = (GLenum) (GLint) *params; + GLuint bits; + switch (mode) { + case GL_OBJECT_LINEAR: + bits = TEXGEN_OBJ_LINEAR; + break; + case GL_EYE_LINEAR: + bits = TEXGEN_EYE_LINEAR; + break; + case GL_REFLECTION_MAP_NV: + bits = TEXGEN_REFLECTION_MAP_NV; + break; + case GL_NORMAL_MAP_NV: + bits = TEXGEN_NORMAL_MAP_NV; + break; + case GL_SPHERE_MAP: + bits = TEXGEN_SPHERE_MAP; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); + return; + } + if (texUnit->GenModeS == mode) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->GenModeS = mode; + texUnit->_GenBitS = bits; + } + else if (pname==GL_OBJECT_PLANE) { + if (TEST_EQ_4V(texUnit->ObjectPlaneS, params)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->ObjectPlaneS[0] = params[0]; + texUnit->ObjectPlaneS[1] = params[1]; + texUnit->ObjectPlaneS[2] = params[2]; + texUnit->ObjectPlaneS[3] = params[3]; + } + else if (pname==GL_EYE_PLANE) { + GLfloat tmp[4]; + + /* Transform plane equation by the inverse modelview matrix */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + } + _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv ); + if (TEST_EQ_4V(texUnit->EyePlaneS, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + COPY_4FV(texUnit->EyePlaneS, tmp); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); + return; + } + break; + case GL_T: + if (pname==GL_TEXTURE_GEN_MODE) { + GLenum mode = (GLenum) (GLint) *params; + GLuint bitt; + switch (mode) { + case GL_OBJECT_LINEAR: + bitt = TEXGEN_OBJ_LINEAR; + break; + case GL_EYE_LINEAR: + bitt = TEXGEN_EYE_LINEAR; + break; + case GL_REFLECTION_MAP_NV: + bitt = TEXGEN_REFLECTION_MAP_NV; + break; + case GL_NORMAL_MAP_NV: + bitt = TEXGEN_NORMAL_MAP_NV; + break; + case GL_SPHERE_MAP: + bitt = TEXGEN_SPHERE_MAP; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); + return; + } + if (texUnit->GenModeT == mode) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->GenModeT = mode; + texUnit->_GenBitT = bitt; + } + else if (pname==GL_OBJECT_PLANE) { + if (TEST_EQ_4V(texUnit->ObjectPlaneT, params)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->ObjectPlaneT[0] = params[0]; + texUnit->ObjectPlaneT[1] = params[1]; + texUnit->ObjectPlaneT[2] = params[2]; + texUnit->ObjectPlaneT[3] = params[3]; + } + else if (pname==GL_EYE_PLANE) { + GLfloat tmp[4]; + /* Transform plane equation by the inverse modelview matrix */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + } + _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv ); + if (TEST_EQ_4V(texUnit->EyePlaneT, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + COPY_4FV(texUnit->EyePlaneT, tmp); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); + return; + } + break; + case GL_R: + if (pname==GL_TEXTURE_GEN_MODE) { + GLenum mode = (GLenum) (GLint) *params; + GLuint bitr; + switch (mode) { + case GL_OBJECT_LINEAR: + bitr = TEXGEN_OBJ_LINEAR; + break; + case GL_REFLECTION_MAP_NV: + bitr = TEXGEN_REFLECTION_MAP_NV; + break; + case GL_NORMAL_MAP_NV: + bitr = TEXGEN_NORMAL_MAP_NV; + break; + case GL_EYE_LINEAR: + bitr = TEXGEN_EYE_LINEAR; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); + return; + } + if (texUnit->GenModeR == mode) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->GenModeR = mode; + texUnit->_GenBitR = bitr; + } + else if (pname==GL_OBJECT_PLANE) { + if (TEST_EQ_4V(texUnit->ObjectPlaneR, params)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->ObjectPlaneR[0] = params[0]; + texUnit->ObjectPlaneR[1] = params[1]; + texUnit->ObjectPlaneR[2] = params[2]; + texUnit->ObjectPlaneR[3] = params[3]; + } + else if (pname==GL_EYE_PLANE) { + GLfloat tmp[4]; + /* Transform plane equation by the inverse modelview matrix */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + } + _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv ); + if (TEST_EQ_4V(texUnit->EyePlaneR, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + COPY_4FV(texUnit->EyePlaneR, tmp); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); + return; + } + break; + case GL_Q: + if (pname==GL_TEXTURE_GEN_MODE) { + GLenum mode = (GLenum) (GLint) *params; + GLuint bitq; + switch (mode) { + case GL_OBJECT_LINEAR: + bitq = TEXGEN_OBJ_LINEAR; + break; + case GL_EYE_LINEAR: + bitq = TEXGEN_EYE_LINEAR; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); + return; + } + if (texUnit->GenModeQ == mode) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->GenModeQ = mode; + texUnit->_GenBitQ = bitq; + } + else if (pname==GL_OBJECT_PLANE) { + if (TEST_EQ_4V(texUnit->ObjectPlaneQ, params)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->ObjectPlaneQ[0] = params[0]; + texUnit->ObjectPlaneQ[1] = params[1]; + texUnit->ObjectPlaneQ[2] = params[2]; + texUnit->ObjectPlaneQ[3] = params[3]; + } + else if (pname==GL_EYE_PLANE) { + GLfloat tmp[4]; + /* Transform plane equation by the inverse modelview matrix */ + if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) { + _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); + } + _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv ); + if (TEST_EQ_4V(texUnit->EyePlaneQ, tmp)) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + COPY_4FV(texUnit->EyePlaneQ, tmp); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" ); + return; + } + + if (ctx->Driver.TexGen) + ctx->Driver.TexGen( ctx, coord, pname, params ); +} + + +void GLAPIENTRY +_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params ) +{ + GLfloat p[4]; + p[0] = (GLfloat) params[0]; + if (pname == GL_TEXTURE_GEN_MODE) { + p[1] = p[2] = p[3] = 0.0F; + } + else { + p[1] = (GLfloat) params[1]; + p[2] = (GLfloat) params[2]; + p[3] = (GLfloat) params[3]; + } + _mesa_TexGenfv(coord, pname, p); +} + + +void GLAPIENTRY +_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param ) +{ + GLfloat p = (GLfloat) param; + _mesa_TexGenfv( coord, pname, &p ); +} + + +void GLAPIENTRY +_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params ) +{ + GLfloat p[4]; + p[0] = (GLfloat) params[0]; + if (pname == GL_TEXTURE_GEN_MODE) { + p[1] = p[2] = p[3] = 0.0F; + } + else { + p[1] = (GLfloat) params[1]; + p[2] = (GLfloat) params[2]; + p[3] = (GLfloat) params[3]; + } + _mesa_TexGenfv( coord, pname, p ); +} + + +void GLAPIENTRY +_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param ) +{ + _mesa_TexGenfv(coord, pname, ¶m); +} + + +void GLAPIENTRY +_mesa_TexGeni( GLenum coord, GLenum pname, GLint param ) +{ + _mesa_TexGeniv( coord, pname, ¶m ); +} + + + +void GLAPIENTRY +_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint tUnit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (coord) { + case GL_S: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_DOUBLE(texUnit->GenModeS); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneS ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneS ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); + return; + } + break; + case GL_T: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_DOUBLE(texUnit->GenModeT); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneT ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneT ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); + return; + } + break; + case GL_R: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_DOUBLE(texUnit->GenModeR); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneR ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneR ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); + return; + } + break; + case GL_Q: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_DOUBLE(texUnit->GenModeQ); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneQ ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneQ ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" ); + return; + } +} + + + +void GLAPIENTRY +_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint tUnit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (coord) { + case GL_S: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_FLOAT(texUnit->GenModeS); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneS ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneS ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); + return; + } + break; + case GL_T: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_FLOAT(texUnit->GenModeT); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneT ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneT ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); + return; + } + break; + case GL_R: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_FLOAT(texUnit->GenModeR); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneR ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneR ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); + return; + } + break; + case GL_Q: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = ENUM_TO_FLOAT(texUnit->GenModeQ); + } + else if (pname==GL_OBJECT_PLANE) { + COPY_4V( params, texUnit->ObjectPlaneQ ); + } + else if (pname==GL_EYE_PLANE) { + COPY_4V( params, texUnit->EyePlaneQ ); + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" ); + return; + } +} + + + +void GLAPIENTRY +_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint tUnit = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (coord) { + case GL_S: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = texUnit->GenModeS; + } + else if (pname==GL_OBJECT_PLANE) { + params[0] = (GLint) texUnit->ObjectPlaneS[0]; + params[1] = (GLint) texUnit->ObjectPlaneS[1]; + params[2] = (GLint) texUnit->ObjectPlaneS[2]; + params[3] = (GLint) texUnit->ObjectPlaneS[3]; + } + else if (pname==GL_EYE_PLANE) { + params[0] = (GLint) texUnit->EyePlaneS[0]; + params[1] = (GLint) texUnit->EyePlaneS[1]; + params[2] = (GLint) texUnit->EyePlaneS[2]; + params[3] = (GLint) texUnit->EyePlaneS[3]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); + return; + } + break; + case GL_T: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = texUnit->GenModeT; + } + else if (pname==GL_OBJECT_PLANE) { + params[0] = (GLint) texUnit->ObjectPlaneT[0]; + params[1] = (GLint) texUnit->ObjectPlaneT[1]; + params[2] = (GLint) texUnit->ObjectPlaneT[2]; + params[3] = (GLint) texUnit->ObjectPlaneT[3]; + } + else if (pname==GL_EYE_PLANE) { + params[0] = (GLint) texUnit->EyePlaneT[0]; + params[1] = (GLint) texUnit->EyePlaneT[1]; + params[2] = (GLint) texUnit->EyePlaneT[2]; + params[3] = (GLint) texUnit->EyePlaneT[3]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); + return; + } + break; + case GL_R: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = texUnit->GenModeR; + } + else if (pname==GL_OBJECT_PLANE) { + params[0] = (GLint) texUnit->ObjectPlaneR[0]; + params[1] = (GLint) texUnit->ObjectPlaneR[1]; + params[2] = (GLint) texUnit->ObjectPlaneR[2]; + params[3] = (GLint) texUnit->ObjectPlaneR[3]; + } + else if (pname==GL_EYE_PLANE) { + params[0] = (GLint) texUnit->EyePlaneR[0]; + params[1] = (GLint) texUnit->EyePlaneR[1]; + params[2] = (GLint) texUnit->EyePlaneR[2]; + params[3] = (GLint) texUnit->EyePlaneR[3]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); + return; + } + break; + case GL_Q: + if (pname==GL_TEXTURE_GEN_MODE) { + params[0] = texUnit->GenModeQ; + } + else if (pname==GL_OBJECT_PLANE) { + params[0] = (GLint) texUnit->ObjectPlaneQ[0]; + params[1] = (GLint) texUnit->ObjectPlaneQ[1]; + params[2] = (GLint) texUnit->ObjectPlaneQ[2]; + params[3] = (GLint) texUnit->ObjectPlaneQ[3]; + } + else if (pname==GL_EYE_PLANE) { + params[0] = (GLint) texUnit->EyePlaneQ[0]; + params[1] = (GLint) texUnit->EyePlaneQ[1]; + params[2] = (GLint) texUnit->EyePlaneQ[2]; + params[3] = (GLint) texUnit->EyePlaneQ[3]; + } + else { + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); + return; + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" ); + return; + } +} +#endif + +/* GL_ARB_multitexture */ +void GLAPIENTRY +_mesa_ActiveTextureARB( GLenum target ) +{ + GET_CURRENT_CONTEXT(ctx); + const GLuint texUnit = target - GL_TEXTURE0; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glActiveTexture %s\n", + _mesa_lookup_enum_by_nr(target)); + + /* Cater for texture unit 0 is first, therefore use >= */ + if (texUnit >= ctx->Const.MaxTextureUnits) { + _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(target)"); + return; + } + + if (ctx->Texture.CurrentUnit == texUnit) + return; + + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + + ctx->Texture.CurrentUnit = texUnit; + if (ctx->Transform.MatrixMode == GL_TEXTURE) { + /* update current stack pointer */ + ctx->CurrentStack = &ctx->TextureMatrixStack[texUnit]; + } + + if (ctx->Driver.ActiveTexture) { + (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit ); + } +} + + +/* GL_ARB_multitexture */ +void GLAPIENTRY +_mesa_ClientActiveTextureARB( GLenum target ) +{ + GET_CURRENT_CONTEXT(ctx); + GLuint texUnit = target - GL_TEXTURE0; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (texUnit > ctx->Const.MaxTextureUnits) { + _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(target)"); + return; + } + + FLUSH_VERTICES(ctx, _NEW_ARRAY); + ctx->Array.ActiveTexture = texUnit; +} + + + +/**********************************************************************/ +/* Pixel Texgen Extensions */ +/**********************************************************************/ + +void GLAPIENTRY +_mesa_PixelTexGenSGIX(GLenum mode) +{ + GLenum newRgbSource, newAlphaSource; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (mode) { + case GL_NONE: + newRgbSource = GL_PIXEL_GROUP_COLOR_SGIS; + newAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS; + break; + case GL_ALPHA: + newRgbSource = GL_PIXEL_GROUP_COLOR_SGIS; + newAlphaSource = GL_CURRENT_RASTER_COLOR; + break; + case GL_RGB: + newRgbSource = GL_CURRENT_RASTER_COLOR; + newAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS; + break; + case GL_RGBA: + newRgbSource = GL_CURRENT_RASTER_COLOR; + newAlphaSource = GL_CURRENT_RASTER_COLOR; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenSGIX(mode)"); + return; + } + + if (newRgbSource == ctx->Pixel.FragmentRgbSource && + newAlphaSource == ctx->Pixel.FragmentAlphaSource) + return; + + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.FragmentRgbSource = newRgbSource; + ctx->Pixel.FragmentAlphaSource = newAlphaSource; +} + + +void GLAPIENTRY +_mesa_PixelTexGenParameterfSGIS(GLenum target, GLfloat value) +{ + _mesa_PixelTexGenParameteriSGIS(target, (GLint) value); +} + + +void GLAPIENTRY +_mesa_PixelTexGenParameterfvSGIS(GLenum target, const GLfloat *value) +{ + _mesa_PixelTexGenParameteriSGIS(target, (GLint) *value); +} + + +void GLAPIENTRY +_mesa_PixelTexGenParameteriSGIS(GLenum target, GLint value) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (value != GL_CURRENT_RASTER_COLOR && value != GL_PIXEL_GROUP_COLOR_SGIS) { + _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenParameterSGIS(value)"); + return; + } + + switch (target) { + case GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS: + if (ctx->Pixel.FragmentRgbSource == (GLenum) value) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.FragmentRgbSource = (GLenum) value; + break; + case GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS: + if (ctx->Pixel.FragmentAlphaSource == (GLenum) value) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.FragmentAlphaSource = (GLenum) value; + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenParameterSGIS(target)"); + return; + } +} + + +void GLAPIENTRY +_mesa_PixelTexGenParameterivSGIS(GLenum target, const GLint *value) +{ + _mesa_PixelTexGenParameteriSGIS(target, *value); +} + + +void GLAPIENTRY +_mesa_GetPixelTexGenParameterfvSGIS(GLenum target, GLfloat *value) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS) { + *value = (GLfloat) ctx->Pixel.FragmentRgbSource; + } + else if (target == GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS) { + *value = (GLfloat) ctx->Pixel.FragmentAlphaSource; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelTexGenParameterfvSGIS(target)"); + } +} + + +void GLAPIENTRY +_mesa_GetPixelTexGenParameterivSGIS(GLenum target, GLint *value) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS) { + *value = (GLint) ctx->Pixel.FragmentRgbSource; + } + else if (target == GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS) { + *value = (GLint) ctx->Pixel.FragmentAlphaSource; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelTexGenParameterivSGIS(target)"); + } +} + + + +/**********************************************************************/ +/***** State management *****/ +/**********************************************************************/ + + +/** + * \note This routine refers to derived texture attribute values to + * compute the ENABLE_TEXMAT flags, but is only called on + * _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT + * flags are updated by _mesa_update_textures(), below. + * + * \param ctx GL context. + */ +static void +update_texture_matrices( GLcontext *ctx ) +{ + GLuint i; + + ctx->Texture._TexMatEnabled = 0; + + for (i=0; i < ctx->Const.MaxTextureUnits; i++) { + if (ctx->TextureMatrixStack[i].Top->flags & MAT_DIRTY) { + _math_matrix_analyse( ctx->TextureMatrixStack[i].Top ); + + if (ctx->Texture.Unit[i]._ReallyEnabled && + ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY) + ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i); + + if (ctx->Driver.TextureMatrix) + ctx->Driver.TextureMatrix( ctx, i, ctx->TextureMatrixStack[i].Top); + } + } +} + + + + +/** + * \note This routine refers to derived texture matrix values to + * compute the ENABLE_TEXMAT flags, but is only called on + * _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT + * flags are updated by _mesa_update_texture_matrices, above. + * + * \param ctx GL context. + */ +static void +update_texture_state( GLcontext *ctx ) +{ + GLuint unit; + + ctx->NewState |= _NEW_TEXTURE; /* TODO: only set this if there are + * actual changes. + */ + + ctx->Texture._EnabledUnits = 0; + ctx->Texture._GenFlags = 0; + ctx->Texture._TexMatEnabled = 0; + ctx->Texture._TexGenEnabled = 0; + + /* Update texture unit state. + * XXX this loop should probably be broken into separate loops for + * texture coord units and texture image units. + */ + for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + GLuint enableBits; + + texUnit->_Current = NULL; + texUnit->_ReallyEnabled = 0; + texUnit->_GenFlags = 0; + + /* Get the bitmask of texture enables */ + if (ctx->FragmentProgram._Enabled) { + enableBits = ctx->FragmentProgram.Current->TexturesUsed[unit]; + } + else { + if (!texUnit->Enabled) + continue; + enableBits = texUnit->Enabled; + } + + /* Look for the highest-priority texture target that's enabled and + * complete. That's the one we'll use for texturing. If we're using + * a fragment program we're guaranteed that bitcount(enabledBits) <= 1. + */ + if (enableBits & TEXTURE_CUBE_BIT) { + struct gl_texture_object *texObj = texUnit->CurrentCubeMap; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_CUBE_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_3D_BIT)) { + struct gl_texture_object *texObj = texUnit->Current3D; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_3D_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_RECT_BIT)) { + struct gl_texture_object *texObj = texUnit->CurrentRect; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_RECT_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_2D_BIT)) { + struct gl_texture_object *texObj = texUnit->Current2D; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_2D_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_1D_BIT)) { + struct gl_texture_object *texObj = texUnit->Current1D; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_1D_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled) { + continue; + } + + if (texUnit->_ReallyEnabled) + ctx->Texture._EnabledUnits |= (1 << unit); + + if (texUnit->EnvMode == GL_COMBINE) { + texUnit->_CurrentCombine = & texUnit->Combine; + } + else { + GLenum format = texUnit->_Current->Image[0][0]->Format; + if (format == GL_COLOR_INDEX) { + format = GL_RGBA; /* a bit of a hack */ + } + else if (format == GL_DEPTH_COMPONENT) { + format = texUnit->_Current->DepthMode; + } + calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format); + texUnit->_CurrentCombine = & texUnit->_EnvMode; + } + + switch (texUnit->_CurrentCombine->ModeRGB) { + case GL_REPLACE: + texUnit->_CurrentCombine->_NumArgsRGB = 1; + break; + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_SUBTRACT: + case GL_DOT3_RGB: + case GL_DOT3_RGBA: + case GL_DOT3_RGB_EXT: + case GL_DOT3_RGBA_EXT: + texUnit->_CurrentCombine->_NumArgsRGB = 2; + break; + case GL_INTERPOLATE: + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + texUnit->_CurrentCombine->_NumArgsRGB = 3; + break; + default: + texUnit->_CurrentCombine->_NumArgsRGB = 0; + _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state"); + return; + } + + switch (texUnit->_CurrentCombine->ModeA) { + case GL_REPLACE: + texUnit->_CurrentCombine->_NumArgsA = 1; + break; + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_SUBTRACT: + texUnit->_CurrentCombine->_NumArgsA = 2; + break; + case GL_INTERPOLATE: + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + texUnit->_CurrentCombine->_NumArgsA = 3; + break; + default: + texUnit->_CurrentCombine->_NumArgsA = 0; + _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state"); + break; + } + + if (texUnit->TexGenEnabled) { + if (texUnit->TexGenEnabled & S_BIT) { + texUnit->_GenFlags |= texUnit->_GenBitS; + } + if (texUnit->TexGenEnabled & T_BIT) { + texUnit->_GenFlags |= texUnit->_GenBitT; + } + if (texUnit->TexGenEnabled & Q_BIT) { + texUnit->_GenFlags |= texUnit->_GenBitQ; + } + if (texUnit->TexGenEnabled & R_BIT) { + texUnit->_GenFlags |= texUnit->_GenBitR; + } + + ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit); + ctx->Texture._GenFlags |= texUnit->_GenFlags; + } + + if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY) + ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit); + } + + ctx->Texture._EnabledCoordUnits = ctx->Texture._EnabledUnits; + /* Fragment programs may need texture coordinates but not the + * corresponding texture images. + */ + if (ctx->FragmentProgram._Enabled) { + ctx->Texture._EnabledCoordUnits |= + (ctx->FragmentProgram.Current->InputsRead >> FRAG_ATTRIB_TEX0); + } +} + + +void _mesa_update_texture( GLcontext *ctx, GLuint new_state ) +{ + if (new_state & _NEW_TEXTURE_MATRIX) + update_texture_matrices( ctx ); + + if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM)) + update_texture_state( ctx ); +} + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +/** + * Allocate the proxy textures for the given context. + * + * \param ctx the context to allocate proxies for. + * + * \return GL_TRUE on success, or GL_FALSE on failure + * + * If run out of memory part way through the allocations, clean up and return + * GL_FALSE. + */ +static GLboolean +alloc_proxy_textures( GLcontext *ctx ) +{ + ctx->Texture.Proxy1D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D); + if (!ctx->Texture.Proxy1D) + goto cleanup; + + ctx->Texture.Proxy2D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D); + if (!ctx->Texture.Proxy2D) + goto cleanup; + + ctx->Texture.Proxy3D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_3D); + if (!ctx->Texture.Proxy3D) + goto cleanup; + + ctx->Texture.ProxyCubeMap = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_CUBE_MAP_ARB); + if (!ctx->Texture.ProxyCubeMap) + goto cleanup; + + ctx->Texture.ProxyRect = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_RECTANGLE_NV); + if (!ctx->Texture.ProxyRect) + goto cleanup; + + return GL_TRUE; + + cleanup: + if (ctx->Texture.Proxy1D) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1D); + if (ctx->Texture.Proxy2D) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2D); + if (ctx->Texture.Proxy3D) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D); + if (ctx->Texture.ProxyCubeMap) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap); + if (ctx->Texture.ProxyRect) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect); + return GL_FALSE; +} + + +/** + * Initialize a texture unit. + * + * \param ctx GL context. + * \param unit texture unit number to be initialized. + */ +static void +init_texture_unit( GLcontext *ctx, GLuint unit ) +{ + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + + texUnit->EnvMode = GL_MODULATE; + ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 ); + + texUnit->Combine = default_combine_state; + texUnit->_EnvMode = default_combine_state; + texUnit->_CurrentCombine = & texUnit->_EnvMode; + + texUnit->TexGenEnabled = 0; + texUnit->GenModeS = GL_EYE_LINEAR; + texUnit->GenModeT = GL_EYE_LINEAR; + texUnit->GenModeR = GL_EYE_LINEAR; + texUnit->GenModeQ = GL_EYE_LINEAR; + texUnit->_GenBitS = TEXGEN_EYE_LINEAR; + texUnit->_GenBitT = TEXGEN_EYE_LINEAR; + texUnit->_GenBitR = TEXGEN_EYE_LINEAR; + texUnit->_GenBitQ = TEXGEN_EYE_LINEAR; + + /* Yes, these plane coefficients are correct! */ + ASSIGN_4V( texUnit->ObjectPlaneS, 1.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->ObjectPlaneT, 0.0, 1.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->ObjectPlaneR, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->ObjectPlaneQ, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->EyePlaneS, 1.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->EyePlaneT, 0.0, 1.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->EyePlaneR, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->EyePlaneQ, 0.0, 0.0, 0.0, 0.0 ); + + texUnit->Current1D = ctx->Shared->Default1D; + texUnit->Current2D = ctx->Shared->Default2D; + texUnit->Current3D = ctx->Shared->Default3D; + texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap; + texUnit->CurrentRect = ctx->Shared->DefaultRect; +} + + +GLboolean _mesa_init_texture( GLcontext * ctx ) +{ + int i; + + assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS); + assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS); + + /* Effectively bind the default textures to all texture units */ + ctx->Shared->Default1D->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->Default2D->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->Default3D->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->DefaultCubeMap->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->DefaultRect->RefCount += MAX_TEXTURE_UNITS; + + /* Texture group */ + ctx->Texture.CurrentUnit = 0; /* multitexture */ + ctx->Texture._EnabledUnits = 0; + for (i=0; i<MAX_TEXTURE_UNITS; i++) + init_texture_unit( ctx, i ); + ctx->Texture.SharedPalette = GL_FALSE; + _mesa_init_colortable(&ctx->Texture.Palette); + + /* Allocate proxy textures */ + if (!alloc_proxy_textures( ctx )) + return GL_FALSE; + + return GL_TRUE; +} + +void _mesa_free_texture_data( GLcontext *ctx ) +{ + int i; + + /* Free proxy texture objects */ + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1D ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2D ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect ); + + for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++) + _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable ); +} diff --git a/src/mesa/main/texstate.h b/src/mesa/main/texstate.h new file mode 100644 index 0000000..7cc3d2c --- /dev/null +++ b/src/mesa/main/texstate.h @@ -0,0 +1,192 @@ +/** + * \file texstate.h + * Texture state management. + */ + +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef TEXSTATE_H +#define TEXSTATE_H + + +#include "mtypes.h" + + +extern void +_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ); + +extern void +_mesa_print_texunit_state( GLcontext *ctx, GLuint unit ); + + +/** + * \name Called from API + */ +/*@{*/ + +extern void GLAPIENTRY +_mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ); + +extern void GLAPIENTRY +_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ); + +extern void GLAPIENTRY +_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ); + +extern void GLAPIENTRY +_mesa_GetTexLevelParameterfv( GLenum target, GLint level, + GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetTexLevelParameteriv( GLenum target, GLint level, + GLenum pname, GLint *params ); + +extern void GLAPIENTRY +_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ); + +extern void GLAPIENTRY +_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ); + + +extern void GLAPIENTRY +_mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ); + +extern void GLAPIENTRY +_mesa_TexEnvi( GLenum target, GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param ); + + +extern void GLAPIENTRY +_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ); + +extern void GLAPIENTRY +_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ); + + +extern void GLAPIENTRY +_mesa_TexParameteri( GLenum target, GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ); + + +extern void GLAPIENTRY +_mesa_TexGend( GLenum coord, GLenum pname, GLdouble param ); + +extern void GLAPIENTRY +_mesa_TexGendv( GLenum coord, GLenum pname, const GLdouble *params ); + +extern void GLAPIENTRY +_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param ); + +extern void GLAPIENTRY +_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ); + +extern void GLAPIENTRY +_mesa_TexGeni( GLenum coord, GLenum pname, GLint param ); + +extern void GLAPIENTRY +_mesa_TexGeniv( GLenum coord, GLenum pname, const GLint *params ); + + +/* + * GL_ARB_multitexture + */ +extern void GLAPIENTRY +_mesa_ActiveTextureARB( GLenum target ); + +extern void GLAPIENTRY +_mesa_ClientActiveTextureARB( GLenum target ); + + +/* + * Pixel Texture Extensions + */ + +extern void GLAPIENTRY +_mesa_PixelTexGenSGIX(GLenum mode); + +extern void GLAPIENTRY +_mesa_PixelTexGenParameterfSGIS(GLenum target, GLfloat value); + +#ifdef VMS +#define _mesa_PixelTexGenParameterfvSGIS _mesa_PixelTexGenParameterfv +#endif +extern void GLAPIENTRY +_mesa_PixelTexGenParameterfvSGIS(GLenum target, const GLfloat *value); + +extern void GLAPIENTRY +_mesa_PixelTexGenParameteriSGIS(GLenum target, GLint value); + +#ifdef VMS +#define _mesa_PixelTexGenParameterivSGIS _mesa_PixelTexGenParameteriv +#endif +extern void GLAPIENTRY +_mesa_PixelTexGenParameterivSGIS(GLenum target, const GLint *value); + +#ifdef VMS +#define _mesa_GetPixelTexGenParameterfvSGIS _mesa_GetPixelTexGenParameterfv +#endif +extern void GLAPIENTRY +_mesa_GetPixelTexGenParameterfvSGIS(GLenum target, GLfloat *value); + +#ifdef VMS +#define _mesa_GetPixelTexGenParameterivSGIS _mesa_GetPixelTexGenParameteriv +#endif +extern void GLAPIENTRY +_mesa_GetPixelTexGenParameterivSGIS(GLenum target, GLint *value); + +/*@}*/ + + +/** + * \name Initialization, state maintenance + */ +/*@{*/ + +extern void +_mesa_update_texture( GLcontext *ctx, GLuint new_state ); + +extern GLboolean +_mesa_init_texture( GLcontext *ctx ); + +extern void +_mesa_free_texture_data( GLcontext *ctx ); + +/*@}*/ + +#endif diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c new file mode 100644 index 0000000..879f585 --- /dev/null +++ b/src/mesa/main/texstore.c @@ -0,0 +1,3514 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Authors: + * Brian Paul + */ + +/* + * The GL texture image functions in teximage.c basically just do + * error checking and data structure allocation. They in turn call + * device driver functions which actually copy/convert/store the user's + * texture image data. + * + * However, most device drivers will be able to use the fallback functions + * in this file. That is, most drivers will have the following bit of + * code: + * ctx->Driver.TexImage1D = _mesa_store_teximage1d; + * ctx->Driver.TexImage2D = _mesa_store_teximage2d; + * ctx->Driver.TexImage3D = _mesa_store_teximage3d; + * etc... + * + * Texture image processing is actually kind of complicated. We have to do: + * Format/type conversions + * pixel unpacking + * pixel transfer (scale, bais, lookup, convolution!, etc) + * + * These functions can handle most everything, including processing full + * images and sub-images. + */ + + +#include "glheader.h" +#include "bufferobj.h" +#include "colormac.h" +#include "context.h" +#include "convolve.h" +#include "image.h" +#include "macros.h" +#include "imports.h" +#include "texcompress.h" +#include "texformat.h" +#include "teximage.h" +#include "texstore.h" + + +static const GLint ZERO = 1000, ONE = 1001; + +/** + * When promoting texture formats (see below) we need to compute the + * mapping of dest components back to source components. + * This function does that. + * \param logicalBaseFormat the logical format of the texture + * \param textureBaseFormat the final texture format + * \return map[4] the four mapping values + */ +static void +compute_component_mapping(GLenum logicalBaseFormat, GLenum textureBaseFormat, + GLint map[4]) +{ + /* compute mapping from dest components back to src components */ + switch (textureBaseFormat) { + case GL_RGB: + case GL_RGBA: + switch (logicalBaseFormat) { + case GL_LUMINANCE: + map[0] = map[1] = map[2] = 0; + if (textureBaseFormat == GL_RGBA) + map[3] = ONE; + break; + case GL_ALPHA: + ASSERT(textureBaseFormat == GL_RGBA); + map[0] = map[1] = map[2] = ZERO; + map[3] = 0; + break; + case GL_INTENSITY: + map[0] = map[1] = map[2] = 0; + if (textureBaseFormat == GL_RGBA) + map[3] = 0; + break; + case GL_LUMINANCE_ALPHA: + ASSERT(textureBaseFormat == GL_RGBA); + map[0] = map[1] = map[2] = 0; + map[3] = 1; + break; + case GL_RGB: + ASSERT(textureBaseFormat == GL_RGBA); + map[0] = 0; + map[1] = 1; + map[2] = 2; + map[3] = ONE; + break; + default: + _mesa_problem(NULL, "Unexpected logicalBaseFormat"); + map[0] = map[1] = map[2] = map[3] = 0; + } + break; + case GL_LUMINANCE_ALPHA: + switch (logicalBaseFormat) { + case GL_LUMINANCE: + map[0] = 0; + map[1] = ONE; + break; + case GL_ALPHA: + map[0] = ZERO; + map[1] = 0; + break; + case GL_INTENSITY: + map[0] = 0; + map[1] = 0; + break; + default: + _mesa_problem(NULL, "Unexpected logicalBaseFormat"); + map[0] = map[1] = 0; + } + } +} + + +/** + * Make a temporary (color) texture image with GLfloat components. + * Apply all needed pixel unpacking and pixel transfer operations. + * Note that there are both logicalBaseFormat and textureBaseFormat parameters. + * Suppose the user specifies GL_LUMINANCE as the internal texture format + * but the graphics hardware doesn't support luminance textures. So, might + * use an RGB hardware format instead. + * If logicalBaseFormat != textureBaseFormat we have some extra work to do. + * + * \param ctx the rendering context + * \param dims image dimensions: 1, 2 or 3 + * \param logicalBaseFormat basic texture derived from the user's + * internal texture format value + * \param textureBaseFormat the actual basic format of the texture + * \param srcWidth source image width + * \param srcHeight source image height + * \param srcDepth source image depth + * \param srcFormat source image format + * \param srcType source image type + * \param srcAddr source image address + * \param srcPacking source image pixel packing + * \return resulting image with format = textureBaseFormat and type = GLfloat. + */ +static GLfloat * +make_temp_float_image(GLcontext *ctx, GLuint dims, + GLenum logicalBaseFormat, + GLenum textureBaseFormat, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking) +{ + GLuint transferOps = ctx->_ImageTransferState; + GLfloat *tempImage; + + ASSERT(dims >= 1 && dims <= 3); + + ASSERT(logicalBaseFormat == GL_RGBA || + logicalBaseFormat == GL_RGB || + logicalBaseFormat == GL_LUMINANCE_ALPHA || + logicalBaseFormat == GL_LUMINANCE || + logicalBaseFormat == GL_ALPHA || + logicalBaseFormat == GL_INTENSITY || + logicalBaseFormat == GL_COLOR_INDEX || + logicalBaseFormat == GL_DEPTH_COMPONENT); + + ASSERT(textureBaseFormat == GL_RGBA || + textureBaseFormat == GL_RGB || + textureBaseFormat == GL_LUMINANCE_ALPHA || + textureBaseFormat == GL_LUMINANCE || + textureBaseFormat == GL_ALPHA || + textureBaseFormat == GL_INTENSITY || + textureBaseFormat == GL_COLOR_INDEX || + textureBaseFormat == GL_DEPTH_COMPONENT); + + /* conventional color image */ + + if ((dims == 1 && ctx->Pixel.Convolution1DEnabled) || + (dims >= 2 && ctx->Pixel.Convolution2DEnabled) || + (dims >= 2 && ctx->Pixel.Separable2DEnabled)) { + /* need image convolution */ + const GLuint preConvTransferOps + = (transferOps & IMAGE_PRE_CONVOLUTION_BITS) | IMAGE_CLAMP_BIT; + const GLuint postConvTransferOps + = (transferOps & IMAGE_POST_CONVOLUTION_BITS) | IMAGE_CLAMP_BIT; + GLint img, row; + GLint convWidth, convHeight; + GLfloat *convImage; + + /* pre-convolution image buffer (3D) */ + tempImage = (GLfloat *) _mesa_malloc(srcWidth * srcHeight * srcDepth + * 4 * sizeof(GLfloat)); + if (!tempImage) + return NULL; + + /* post-convolution image buffer (2D) */ + convImage = (GLfloat *) _mesa_malloc(srcWidth * srcHeight + * 4 * sizeof(GLfloat)); + if (!convImage) { + _mesa_free(tempImage); + return NULL; + } + + /* loop over 3D image slices */ + for (img = 0; img < srcDepth; img++) { + GLfloat *dst = tempImage + img * (srcWidth * srcHeight * 4); + + /* unpack and do transfer ops up to convolution */ + for (row = 0; row < srcHeight; row++) { + const GLvoid *src = _mesa_image_address(srcPacking, + srcAddr, srcWidth, srcHeight, + srcFormat, srcType, img, row, 0); + _mesa_unpack_color_span_float(ctx, srcWidth, GL_RGBA, dst, + srcFormat, srcType, src, + srcPacking, + preConvTransferOps); + dst += srcWidth * 4; + } + + /* do convolution */ + { + GLfloat *src = tempImage + img * (srcWidth * srcHeight * 4); + convWidth = srcWidth; + convHeight = srcHeight; + if (dims == 1) { + ASSERT(ctx->Pixel.Convolution1DEnabled); + _mesa_convolve_1d_image(ctx, &convWidth, src, convImage); + } + else { + if (ctx->Pixel.Convolution2DEnabled) { + _mesa_convolve_2d_image(ctx, &convWidth, &convHeight, + src, convImage); + } + else { + ASSERT(ctx->Pixel.Separable2DEnabled); + _mesa_convolve_sep_image(ctx, &convWidth, &convHeight, + src, convImage); + } + } + } + + /* do post-convolution transfer and pack into tempImage */ + { + const GLint logComponents + = _mesa_components_in_format(logicalBaseFormat); + const GLfloat *src = convImage; + GLfloat *dst = tempImage + img * (convWidth * convHeight * 4); + for (row = 0; row < convHeight; row++) { + _mesa_pack_rgba_span_float(ctx, convWidth, + (const GLfloat (*)[4]) src, + logicalBaseFormat, GL_FLOAT, + dst, &ctx->DefaultPacking, + postConvTransferOps); + src += convWidth * 4; + dst += convWidth * logComponents; + } + } + } /* loop over 3D image slices */ + + _mesa_free(convImage); + + /* might need these below */ + srcWidth = convWidth; + srcHeight = convHeight; + } + else { + /* no convolution */ + const GLint components = _mesa_components_in_format(logicalBaseFormat); + const GLint srcStride = _mesa_image_row_stride(srcPacking, + srcWidth, srcFormat, srcType); + GLfloat *dst; + GLint img, row; + + tempImage = (GLfloat *) _mesa_malloc(srcWidth * srcHeight * srcDepth + * components * sizeof(GLfloat)); + if (!tempImage) + return NULL; + + dst = tempImage; + for (img = 0; img < srcDepth; img++) { + const GLubyte *src + = (const GLubyte *) _mesa_image_address(srcPacking, srcAddr, + srcWidth, srcHeight, + srcFormat, srcType, + img, 0, 0); + for (row = 0; row < srcHeight; row++) { + _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat, + dst, srcFormat, srcType, src, + srcPacking, transferOps); + dst += srcWidth * components; + src += srcStride; + } + } + } + + if (logicalBaseFormat != textureBaseFormat) { + /* more work */ + GLint texComponents = _mesa_components_in_format(textureBaseFormat); + GLint logComponents = _mesa_components_in_format(logicalBaseFormat); + GLfloat *newImage; + GLint i, n; + GLint map[4]; + + /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ + ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || + textureBaseFormat == GL_LUMINANCE_ALPHA); + + /* The actual texture format should have at least as many components + * as the logical texture format. + */ + ASSERT(texComponents >= logComponents); + + newImage = (GLfloat *) _mesa_malloc(srcWidth * srcHeight * srcDepth + * texComponents * sizeof(GLfloat)); + if (!newImage) { + _mesa_free(tempImage); + return NULL; + } + + compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); + + n = srcWidth * srcHeight * srcDepth; + for (i = 0; i < n; i++) { + GLint k; + for (k = 0; k < texComponents; k++) { + GLint j = map[k]; + if (j == ZERO) + newImage[i * texComponents + k] = 0.0F; + else if (j == ONE) + newImage[i * texComponents + k] = 1.0F; + else + newImage[i * texComponents + k] = tempImage[i * logComponents + j]; + } + } + + _mesa_free(tempImage); + tempImage = newImage; + } + + return tempImage; +} + + +/** + * Make a temporary (color) texture image with GLchan components. + * Apply all needed pixel unpacking and pixel transfer operations. + * Note that there are both logicalBaseFormat and textureBaseFormat parameters. + * Suppose the user specifies GL_LUMINANCE as the internal texture format + * but the graphics hardware doesn't support luminance textures. So, might + * use an RGB hardware format instead. + * If logicalBaseFormat != textureBaseFormat we have some extra work to do. + * + * \param ctx the rendering context + * \param dims image dimensions: 1, 2 or 3 + * \param logicalBaseFormat basic texture derived from the user's + * internal texture format value + * \param textureBaseFormat the actual basic format of the texture + * \param srcWidth source image width + * \param srcHeight source image height + * \param srcDepth source image depth + * \param srcFormat source image format + * \param srcType source image type + * \param srcAddr source image address + * \param srcPacking source image pixel packing + * \return resulting image with format = textureBaseFormat and type = GLchan. + */ +GLchan * +_mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims, + GLenum logicalBaseFormat, + GLenum textureBaseFormat, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking) +{ + GLuint transferOps = ctx->_ImageTransferState; + const GLint components = _mesa_components_in_format(logicalBaseFormat); + GLboolean freeSrcImage = GL_FALSE; + GLint img, row; + GLchan *tempImage, *dst; + + ASSERT(dims >= 1 && dims <= 3); + + ASSERT(logicalBaseFormat == GL_RGBA || + logicalBaseFormat == GL_RGB || + logicalBaseFormat == GL_LUMINANCE_ALPHA || + logicalBaseFormat == GL_LUMINANCE || + logicalBaseFormat == GL_ALPHA || + logicalBaseFormat == GL_INTENSITY); + + ASSERT(textureBaseFormat == GL_RGBA || + textureBaseFormat == GL_RGB || + textureBaseFormat == GL_LUMINANCE_ALPHA || + textureBaseFormat == GL_LUMINANCE || + textureBaseFormat == GL_ALPHA || + textureBaseFormat == GL_INTENSITY); + + if ((dims == 1 && ctx->Pixel.Convolution1DEnabled) || + (dims >= 2 && ctx->Pixel.Convolution2DEnabled) || + (dims >= 2 && ctx->Pixel.Separable2DEnabled)) { + /* get convolved image */ + GLfloat *convImage = make_temp_float_image(ctx, dims, + logicalBaseFormat, + logicalBaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, + srcAddr, srcPacking); + if (!convImage) + return NULL; + /* the convolved image is our new source image */ + srcAddr = convImage; + srcFormat = logicalBaseFormat; + srcType = GL_FLOAT; + srcPacking = &ctx->DefaultPacking; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + transferOps = 0; + freeSrcImage = GL_TRUE; + } + + /* unpack and transfer the source image */ + tempImage = (GLchan *) _mesa_malloc(srcWidth * srcHeight * srcDepth + * components * sizeof(GLchan)); + if (!tempImage) + return NULL; + + dst = tempImage; + for (img = 0; img < srcDepth; img++) { + const GLint srcStride = _mesa_image_row_stride(srcPacking, + srcWidth, srcFormat, + srcType); + const GLubyte *src + = (const GLubyte *) _mesa_image_address(srcPacking, srcAddr, + srcWidth, srcHeight, + srcFormat, srcType, + img, 0, 0); + for (row = 0; row < srcHeight; row++) { + _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst, + srcFormat, srcType, src, srcPacking, + transferOps); + dst += srcWidth * components; + src += srcStride; + } + } + + /* If we made a temporary image for convolution, free it here */ + if (freeSrcImage) { + _mesa_free((void *) srcAddr); + } + + if (logicalBaseFormat != textureBaseFormat) { + /* one more conversion step */ + GLint texComponents = _mesa_components_in_format(textureBaseFormat); + GLint logComponents = _mesa_components_in_format(logicalBaseFormat); + GLchan *newImage; + GLint i, n; + GLint map[4]; + + /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ + ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || + textureBaseFormat == GL_LUMINANCE_ALPHA); + + /* The actual texture format should have at least as many components + * as the logical texture format. + */ + ASSERT(texComponents >= logComponents); + + newImage = (GLchan *) _mesa_malloc(srcWidth * srcHeight * srcDepth + * texComponents * sizeof(GLchan)); + if (!newImage) { + _mesa_free(tempImage); + return NULL; + } + + compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); + + n = srcWidth * srcHeight * srcDepth; + for (i = 0; i < n; i++) { + GLint k; + for (k = 0; k < texComponents; k++) { + GLint j = map[k]; + if (j == ZERO) + newImage[i * texComponents + k] = 0; + else if (j == ONE) + newImage[i * texComponents + k] = CHAN_MAX; + else + newImage[i * texComponents + k] = tempImage[i * logComponents + j]; + } + } + + _mesa_free(tempImage); + tempImage = newImage; + } + + return tempImage; +} + + + +/** + * Teximage storage routine for when a simple memcpy will do. + * No pixel transfer operations or special texel encodings allowed. + * 1D, 2D and 3D images supported. + */ +static void +memcpy_texture(const struct gl_texture_format *dstFormat, + GLvoid *dstAddr, + GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, + GLint dstRowStride, GLint dstImageStride, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking) +{ + const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, + srcFormat, srcType); + const GLint srcImageStride = _mesa_image_image_stride(srcPacking, + srcWidth, srcHeight, srcFormat, srcType); + const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(srcPacking, + srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); + const GLint bytesPerRow = srcWidth * dstFormat->TexelBytes; + const GLint bytesPerImage = srcHeight * bytesPerRow; + const GLint bytesPerTexture = srcDepth * bytesPerImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + + if (dstRowStride == srcRowStride && + dstRowStride == bytesPerRow && + ((dstImageStride == srcImageStride && + dstImageStride == bytesPerImage) || + (srcDepth == 1))) { + /* one big memcpy */ + _mesa_memcpy(dstImage, srcImage, bytesPerTexture); + } + else { + GLint img, row; + for (img = 0; img < srcDepth; img++) { + const GLubyte *srcRow = srcImage; + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + _mesa_memcpy(dstRow, srcRow, bytesPerRow); + dstRow += dstRowStride; + srcRow += srcRowStride; + } + srcImage += srcImageStride; + dstImage += dstImageStride; + } + } +} + + + +/** + * Store an image in any of the formats: + * _mesa_texformat_rgba + * _mesa_texformat_rgb + * _mesa_texformat_alpha + * _mesa_texformat_luminance + * _mesa_texformat_luminance_alpha + * _mesa_texformat_intensity + * + * \param dims either 1 or 2 or 3 + * \param baseInternalFormat user-specified base internal format + * \param dstFormat destination Mesa texture format + * \param dstAddr destination image address + * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels + * \param dstRowStride destination image row stride, in bytes + * \param dstImageStride destination image layer stride, in bytes + * \param srcWidth/Height/Depth source image size, in pixels + * \param srcFormat incoming image format + * \param srcType incoming image data type + * \param srcAddr source image address + * \param srcPacking source image packing parameters + */ +GLboolean +_mesa_texstore_rgba(GLcontext *ctx, GLuint dims, + GLenum baseInternalFormat, + const struct gl_texture_format *dstFormat, + GLvoid *dstAddr, + GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, + GLint dstRowStride, GLint dstImageStride, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking) +{ + const GLint components = _mesa_components_in_format(baseInternalFormat); + + ASSERT(dstFormat == &_mesa_texformat_rgba || + dstFormat == &_mesa_texformat_rgb || + dstFormat == &_mesa_texformat_alpha || + dstFormat == &_mesa_texformat_luminance || + dstFormat == &_mesa_texformat_luminance_alpha || + dstFormat == &_mesa_texformat_intensity); + ASSERT(baseInternalFormat == GL_RGBA || + baseInternalFormat == GL_RGB || + baseInternalFormat == GL_ALPHA || + baseInternalFormat == GL_LUMINANCE || + baseInternalFormat == GL_LUMINANCE_ALPHA || + baseInternalFormat == GL_INTENSITY); + ASSERT(dstFormat->TexelBytes == components * sizeof(GLchan)); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == srcFormat && + srcType == CHAN_TYPE) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_rgb && + srcFormat == GL_RGBA && + srcType == CHAN_TYPE) { + /* extract RGB from RGBA */ + int img, row, col; + GLchan *dstImage = (GLchan *) (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + for (img = 0; img < srcDepth; img++) { + const GLint srcRowStride = _mesa_image_row_stride(srcPacking, + srcWidth, srcFormat, srcType); + GLchan *srcRow = (GLchan *) _mesa_image_address(srcPacking, srcAddr, + srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); + GLchan *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + RCOMP] = srcRow[col * 4 + RCOMP]; + dstRow[col * 3 + GCOMP] = srcRow[col * 4 + GCOMP]; + dstRow[col * 3 + BCOMP] = srcRow[col * 4 + BCOMP]; + } + dstRow += dstRowStride; + srcRow = (GLchan *) ((GLubyte *) srcRow + srcRowStride); + } + dstImage += dstImageStride; + } + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLint bytesPerRow; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + bytesPerRow = srcWidth * components * sizeof(GLchan); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + _mesa_memcpy(dstRow, src, bytesPerRow); + dstRow += dstRowStride; + src += srcWidth * components; + } + dstImage += dstImageStride; + } + + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +/** + * Store a floating point depth component texture image. + */ +GLboolean +_mesa_texstore_depth_component_float32(STORE_PARAMS) +{ + (void) dims; + ASSERT(dstFormat == &_mesa_texformat_depth_component_float32); + ASSERT(dstFormat->TexelBytes == sizeof(GLfloat)); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_DEPTH_COMPONENT && + srcFormat == GL_DEPTH_COMPONENT && + srcType == GL_FLOAT) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row; + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + const GLvoid *src = _mesa_image_address(srcPacking, + srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); + _mesa_unpack_depth_span(ctx, srcWidth, (GLfloat *) dstRow, + srcType, src, srcPacking); + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + } + return GL_TRUE; +} + + +/** + * Store a 16-bit integer depth component texture image. + */ +GLboolean +_mesa_texstore_depth_component16(STORE_PARAMS) +{ + (void) dims; + ASSERT(dstFormat == &_mesa_texformat_depth_component16); + ASSERT(dstFormat->TexelBytes == sizeof(GLushort)); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_DEPTH_COMPONENT && + srcFormat == GL_DEPTH_COMPONENT && + srcType == GL_UNSIGNED_SHORT) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLfloat depthTemp[MAX_WIDTH]; + const GLvoid *src = _mesa_image_address(srcPacking, + srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); + GLushort *dst16 = (GLushort *) dstRow; + _mesa_unpack_depth_span(ctx, srcWidth, depthTemp, + srcType, src, srcPacking); + for (col = 0; col < srcWidth; col++) { + dst16[col] = (GLushort) (depthTemp[col] * 65535.0F); + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + } + return GL_TRUE; +} + + +/** + * Store an rgb565 or rgb565_rev texture image. + */ +GLboolean +_mesa_texstore_rgb565(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_rgb565 || + dstFormat == &_mesa_texformat_rgb565_rev); + ASSERT(dstFormat->TexelBytes == 2); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_rgb565 && + baseInternalFormat == GL_RGB && + srcFormat == GL_RGB && + srcType == GL_UNSIGNED_SHORT_5_6_5) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_RGB && + srcFormat == GL_RGB && + srcType == GL_UNSIGNED_BYTE && + dims == 2) { + /* do optimized tex store */ + const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, + srcFormat, srcType); + const GLubyte *src = (const GLubyte *) + _mesa_image_address(srcPacking, srcAddr, srcWidth, srcHeight, + srcFormat, srcType, 0, 0, 0); + GLubyte *dst = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint row, col; + for (row = 0; row < srcHeight; row++) { + const GLubyte *srcUB = (const GLubyte *) src; + GLushort *dstUS = (GLushort *) dst; + /* check for byteswapped format */ + if (dstFormat == &_mesa_texformat_rgb565) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] ); + srcUB += 3; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] ); + srcUB += 3; + } + } + dst += dstRowStride; + src += srcRowStride; + } + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLushort *dstUS = (GLushort *) dstRow; + /* check for byteswapped format */ + if (dstFormat == &_mesa_texformat_rgb565) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 3; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 3; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_rgba8888(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_rgba8888 || + dstFormat == &_mesa_texformat_rgba8888_rev); + ASSERT(dstFormat->TexelBytes == 4); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_rgba8888 && + baseInternalFormat == GL_RGBA && + ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) || + (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV))) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLuint *dstUI = (GLuint *) dstRow; + if (dstFormat == &_mesa_texformat_rgba8888) { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]), + CHAN_TO_UBYTE(src[ACOMP]) ); + src += 4; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]), + CHAN_TO_UBYTE(src[ACOMP]) ); + src += 4; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_argb8888(STORE_PARAMS) +{ + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); + + ASSERT(dstFormat == &_mesa_texformat_argb8888 || + dstFormat == &_mesa_texformat_argb8888_rev); + ASSERT(dstFormat->TexelBytes == 4); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_argb8888 && + baseInternalFormat == GL_RGBA && + srcFormat == GL_BGRA && + ((srcType == GL_UNSIGNED_BYTE && littleEndian) || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) { + /* simple memcpy path (little endian) */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_argb8888_rev && + baseInternalFormat == GL_RGBA && + srcFormat == GL_BGRA && + ((srcType == GL_UNSIGNED_BYTE && !littleEndian) || + srcType == GL_UNSIGNED_INT_8_8_8_8)) { + /* simple memcpy path (big endian) */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLuint *dstUI = (GLuint *) dstRow; + if (dstFormat == &_mesa_texformat_argb8888) { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_rgb888(STORE_PARAMS) +{ + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); + + ASSERT(dstFormat == &_mesa_texformat_rgb888); + ASSERT(dstFormat->TexelBytes == 3); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_RGB && + srcFormat == GL_BGR && + srcType == GL_UNSIGNED_BYTE && + littleEndian) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + srcFormat == GL_RGBA && + srcType == GL_UNSIGNED_BYTE) { + /* extract RGB from RGBA */ + int img, row, col; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + for (img = 0; img < srcDepth; img++) { + const GLint srcRowStride = _mesa_image_row_stride(srcPacking, + srcWidth, srcFormat, srcType); + GLubyte *srcRow = (GLubyte *) _mesa_image_address(srcPacking, srcAddr, + srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP]; + dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP]; + dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP]; + } + dstRow += dstRowStride; + srcRow += srcRowStride; + } + dstImage += dstImageStride; + } + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = (const GLchan *) tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { +#if 0 + if (littleEndian) { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]); + dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); + dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]); + srcUB += 3; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = srcUB[BCOMP]; + dstRow[col * 3 + 1] = srcUB[GCOMP]; + dstRow[col * 3 + 2] = srcUB[RCOMP]; + srcUB += 3; + } + } +#else + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]); + dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); + dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]); + src += 3; + } +#endif + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_bgr888(STORE_PARAMS) +{ + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); + + ASSERT(dstFormat == &_mesa_texformat_bgr888); + ASSERT(dstFormat->TexelBytes == 3); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_RGB && + srcFormat == GL_RGB && + srcType == GL_UNSIGNED_BYTE && + littleEndian) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + srcFormat == GL_RGBA && + srcType == GL_UNSIGNED_BYTE) { + /* extract BGR from RGBA */ + int img, row, col; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + for (img = 0; img < srcDepth; img++) { + const GLint srcRowStride = _mesa_image_row_stride(srcPacking, + srcWidth, srcFormat, srcType); + GLubyte *srcRow = (GLubyte *) _mesa_image_address(srcPacking, srcAddr, + srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP]; + dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP]; + dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP]; + } + dstRow += dstRowStride; + srcRow += srcRowStride; + } + dstImage += dstImageStride; + } + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = (const GLchan *) tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]); + dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); + dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]); + src += 3; + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_argb4444(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_argb4444 || + dstFormat == &_mesa_texformat_argb4444_rev); + ASSERT(dstFormat->TexelBytes == 2); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_argb4444 && + baseInternalFormat == GL_RGBA && + srcFormat == GL_BGRA && + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLushort *dstUS = (GLushort *) dstRow; + if (dstFormat == &_mesa_texformat_argb4444) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + + +GLboolean +_mesa_texstore_argb1555(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_argb1555 || + dstFormat == &_mesa_texformat_argb1555_rev); + ASSERT(dstFormat->TexelBytes == 2); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_argb1555 && + baseInternalFormat == GL_RGBA && + srcFormat == GL_BGRA && + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src =tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLushort *dstUS = (GLushort *) dstRow; + if (dstFormat == &_mesa_texformat_argb1555) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_al88(STORE_PARAMS) +{ + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); + + ASSERT(dstFormat == &_mesa_texformat_al88 || + dstFormat == &_mesa_texformat_al88_rev); + ASSERT(dstFormat->TexelBytes == 2); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_al88 && + baseInternalFormat == GL_LUMINANCE_ALPHA && + srcFormat == GL_LUMINANCE_ALPHA && + srcType == GL_UNSIGNED_BYTE && + littleEndian) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLushort *dstUS = (GLushort *) dstRow; + if (dstFormat == &_mesa_texformat_al88) { + for (col = 0; col < srcWidth; col++) { + /* src[0] is luminance, src[1] is alpha */ + dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]), + CHAN_TO_UBYTE(src[0]) ); + src += 2; + } + } + else { + for (col = 0; col < srcWidth; col++) { + /* src[0] is luminance, src[1] is alpha */ + dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]), + CHAN_TO_UBYTE(src[0]) ); + src += 2; + } + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +GLboolean +_mesa_texstore_rgb332(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_rgb332); + ASSERT(dstFormat->TexelBytes == 1); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_RGB && + srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 3; + } + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +/** + * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8. + */ +GLboolean +_mesa_texstore_a8(STORE_PARAMS) +{ + ASSERT(dstFormat == &_mesa_texformat_a8 || + dstFormat == &_mesa_texformat_l8 || + dstFormat == &_mesa_texformat_i8); + ASSERT(dstFormat->TexelBytes == 1); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == srcFormat && + srcType == GL_UNSIGNED_BYTE) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLchan *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row, col; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + for (col = 0; col < srcWidth; col++) { + dstRow[col] = CHAN_TO_UBYTE(src[col]); + } + dstRow += dstRowStride; + src += srcWidth; + } + dstImage += dstImageStride; + } + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + + +GLboolean +_mesa_texstore_ci8(STORE_PARAMS) +{ + (void) dims; (void) baseInternalFormat; + ASSERT(dstFormat == &_mesa_texformat_ci8); + ASSERT(dstFormat->TexelBytes == 1); + ASSERT(baseInternalFormat == GL_COLOR_INDEX); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + srcFormat == GL_COLOR_INDEX && + srcType == GL_UNSIGNED_BYTE) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row; + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + const GLvoid *src = _mesa_image_address(srcPacking, + srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); + _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow, + srcType, src, srcPacking, + ctx->_ImageTransferState); + dstRow += dstRowStride; + } + dstImage += dstImageStride; + } + } + return GL_TRUE; +} + + +/** + * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_rev. + */ +GLboolean +_mesa_texstore_ycbcr(STORE_PARAMS) +{ + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); + (void) ctx; (void) dims; (void) baseInternalFormat; + + ASSERT((dstFormat == &_mesa_texformat_ycbcr) || + (dstFormat == &_mesa_texformat_ycbcr_rev)); + ASSERT(dstFormat->TexelBytes == 2); + ASSERT(ctx->Extensions.MESA_ycbcr_texture); + ASSERT(srcFormat == GL_YCBCR_MESA); + ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) || + (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA)); + ASSERT(baseInternalFormat == GL_YCBCR_MESA); + + /* always just memcpy since no pixel transfer ops apply */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + + /* Check if we need byte swapping */ + /* XXX the logic here _might_ be wrong */ + if (srcPacking->SwapBytes ^ + (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^ + (dstFormat == &_mesa_texformat_ycbcr_rev) ^ + !littleEndian) { + GLushort *pImage = (GLushort *) ((GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes); + GLint img, row; + for (img = 0; img < srcDepth; img++) { + GLushort *pRow = pImage; + for (row = 0; row < srcHeight; row++) { + _mesa_swap2(pRow, srcWidth); + pRow += dstRowStride; + } + pImage += dstImageStride; + } + } + return GL_TRUE; +} + + + + +/** + * Store an image in any of the formats: + * _mesa_texformat_rgba_float32 + * _mesa_texformat_rgb_float32 + * _mesa_texformat_alpha_float32 + * _mesa_texformat_luminance_float32 + * _mesa_texformat_luminance_alpha_float32 + * _mesa_texformat_intensity_float32 + */ +GLboolean +_mesa_texstore_rgba_float32(STORE_PARAMS) +{ + const GLint components = _mesa_components_in_format(baseInternalFormat); + + ASSERT(dstFormat == &_mesa_texformat_rgba_float32 || + dstFormat == &_mesa_texformat_rgb_float32 || + dstFormat == &_mesa_texformat_alpha_float32 || + dstFormat == &_mesa_texformat_luminance_float32 || + dstFormat == &_mesa_texformat_luminance_alpha_float32 || + dstFormat == &_mesa_texformat_intensity_float32); + ASSERT(baseInternalFormat == GL_RGBA || + baseInternalFormat == GL_RGB || + baseInternalFormat == GL_ALPHA || + baseInternalFormat == GL_LUMINANCE || + baseInternalFormat == GL_LUMINANCE_ALPHA || + baseInternalFormat == GL_INTENSITY); + ASSERT(dstFormat->TexelBytes == components * sizeof(GLfloat)); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == srcFormat && + srcType == GL_FLOAT) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLfloat *tempImage = make_temp_float_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLfloat *src = tempImage; + GLint bytesPerRow; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + bytesPerRow = srcWidth * components * sizeof(GLfloat); + for (img = 0; img < srcDepth; img++) { + GLubyte *dst = dstImage; + for (row = 0; row < srcHeight; row++) { + _mesa_memcpy(dst, src, bytesPerRow); + dst += dstRowStride; + src += srcWidth * components; + } + dstImage += dstImageStride; + } + + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + +/** + * As above, but store 16-bit floats. + */ +GLboolean +_mesa_texstore_rgba_float16(STORE_PARAMS) +{ + const GLint components = _mesa_components_in_format(baseInternalFormat); + + ASSERT(dstFormat == &_mesa_texformat_rgba_float16 || + dstFormat == &_mesa_texformat_rgb_float16 || + dstFormat == &_mesa_texformat_alpha_float16 || + dstFormat == &_mesa_texformat_luminance_float16 || + dstFormat == &_mesa_texformat_luminance_alpha_float16 || + dstFormat == &_mesa_texformat_intensity_float16); + ASSERT(baseInternalFormat == GL_RGBA || + baseInternalFormat == GL_RGB || + baseInternalFormat == GL_ALPHA || + baseInternalFormat == GL_LUMINANCE || + baseInternalFormat == GL_LUMINANCE_ALPHA || + baseInternalFormat == GL_INTENSITY); + ASSERT(dstFormat->TexelBytes == components * sizeof(GLhalfARB)); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == srcFormat && + srcType == GL_HALF_FLOAT_ARB) { + /* simple memcpy path */ + memcpy_texture(dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageStride, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLfloat *tempImage = make_temp_float_image(ctx, dims, + baseInternalFormat, + dstFormat->BaseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLfloat *src = tempImage; + GLubyte *dstImage = (GLubyte *) dstAddr + + dstZoffset * dstImageStride + + dstYoffset * dstRowStride + + dstXoffset * dstFormat->TexelBytes; + GLint img, row; + if (!tempImage) + return GL_FALSE; + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = dstImage; + for (row = 0; row < srcHeight; row++) { + GLhalfARB *dstTexel = (GLhalfARB *) dstRow; + GLint i; + for (i = 0; i < srcWidth * components; i++) { + dstTexel[i] = _mesa_float_to_half(src[i]); + } + dstRow += dstRowStride; + src += srcWidth * components; + } + dstImage += dstImageStride; + } + + _mesa_free((void *) tempImage); + } + return GL_TRUE; +} + + + +/** + * Validate acces to a PBO for texture data. + * + * \todo If the PBO is really resident in VRAM, this won't work; the + * device driver should check for that and do the right thing. + */ +static const GLvoid * +validate_pbo_teximage( GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *unpack ) +{ + if (unpack->BufferObj->Name == 0) { + /* no PBO */ + return pixels; + } + else if (_mesa_validate_pbo_access(unpack, width, height, depth, format, + type, pixels)) { + return ADD_POINTERS(unpack->BufferObj->Data, pixels); + } + /* bad access! */ + return NULL; +} + + +/** + * Validate that unpacking compressed texture image data from a PBO + * won't go out of bounds. + * + * \todo If the PBO is really resident in VRAM, this won't work; the + * device driver should check for that and do the right thing. + */ +static const GLvoid * +validate_pbo_compressed_teximage(GLsizei imageSize, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing) +{ + if (packing->BufferObj->Name == 0) { + /* not using a PBO - return pointer unchanged */ + return pixels; + } + else { + /* using a PBO */ + if ((const GLubyte *) pixels + imageSize > + (const GLubyte *) packing->BufferObj->Size) { + /* out of bounds read! */ + return NULL; + } + /* OK! */ + return ADD_POINTERS(packing->BufferObj->Data, pixels); + } +} + + + +/* + * This is the software fallback for Driver.TexImage1D() + * and Driver.CopyTexImage1D(). + */ +void +_mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + GLint postConvWidth = width; + GLint sizeInBytes; + (void) border; + + if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { + _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); + } + + /* choose the texture format */ + assert(ctx->Driver.ChooseTextureFormat); + texImage->TexFormat = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, + format, type); + assert(texImage->TexFormat); + texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D; + texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df; + + /* allocate memory */ + if (texImage->IsCompressed) + sizeInBytes = texImage->CompressedSize; + else + sizeInBytes = postConvWidth * texImage->TexFormat->TexelBytes; + texImage->Data = MESA_PBUFFER_ALLOC(sizeInBytes); + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); + return; + } + + pixels = validate_pbo_teximage(width, 1, 1, format, type, pixels, packing); + if (!pixels) + return; + + { + const GLint dstRowStride = 0, dstImageStride = 0; + GLboolean success; + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 1, texImage->Format, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, dstImageStride, + width, 1, 1, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + +/* + * This is the software fallback for Driver.TexImage2D() + * and Driver.CopyTexImage2D(). + * Reasons why a driver might override this function: + * - Special memory allocation needs + * - Unusual row/image strides + * - Special housekeeping + */ +void +_mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + GLint postConvWidth = width, postConvHeight = height; + GLint texelBytes, sizeInBytes; + (void) border; + + if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { + _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, + &postConvHeight); + } + + /* choose the texture format */ + assert(ctx->Driver.ChooseTextureFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, format, type); + assert(texImage->TexFormat); + texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D; + texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df; + + texelBytes = texImage->TexFormat->TexelBytes; + + /* allocate memory */ + if (texImage->IsCompressed) + sizeInBytes = texImage->CompressedSize; + else + sizeInBytes = postConvWidth * postConvHeight * texelBytes; + texImage->Data = MESA_PBUFFER_ALLOC(sizeInBytes); + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + + pixels = validate_pbo_teximage(width, height, 1, + format, type, pixels, packing); + if (!pixels) + return; + + { + GLint dstRowStride, dstImageStride = 0; + GLboolean success; + if (texImage->IsCompressed) { + dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat,width); + } + else { + dstRowStride = postConvWidth * texImage->TexFormat->TexelBytes; + } + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 2, texImage->Format, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, dstImageStride, + width, height, 1, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + + +/* + * This is the software fallback for Driver.TexImage3D() + * and Driver.CopyTexImage3D(). + */ +void +_mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + GLint texelBytes, sizeInBytes; + (void) border; + + /* choose the texture format */ + assert(ctx->Driver.ChooseTextureFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, format, type); + assert(texImage->TexFormat); + texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D; + texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df; + + texelBytes = texImage->TexFormat->TexelBytes; + + /* allocate memory */ + if (texImage->IsCompressed) + sizeInBytes = texImage->CompressedSize; + else + sizeInBytes = width * height * depth * texelBytes; + texImage->Data = MESA_PBUFFER_ALLOC(sizeInBytes); + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); + return; + } + + pixels = validate_pbo_teximage(width, height, depth, + format, type, pixels, packing); + if (!pixels) + return; + + /* unpack image, apply transfer ops and store in texImage->Data */ + { + GLint dstRowStride, dstImageStride; + GLboolean success; + if (texImage->IsCompressed) { + dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat,width); + dstImageStride = 0; + } + else { + dstRowStride = width * texImage->TexFormat->TexelBytes; + dstImageStride = dstRowStride * height; + } + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 3, texImage->Format, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, dstImageStride, + width, height, depth, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + + + +/* + * This is the software fallback for Driver.TexSubImage1D() + * and Driver.CopyTexSubImage1D(). + */ +void +_mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint width, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + pixels = validate_pbo_teximage(width, 1, 1, + format, type, pixels, packing); + if (!pixels) + return; + + { + const GLint dstRowStride = 0, dstImageStride = 0; + GLboolean success; + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 1, texImage->Format, + texImage->TexFormat, + texImage->Data, + xoffset, 0, 0, /* offsets */ + dstRowStride, dstImageStride, + width, 1, 1, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + + +/** + * This is the software fallback for Driver.TexSubImage2D() + * and Driver.CopyTexSubImage2D(). + */ +void +_mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint width, GLint height, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + pixels = validate_pbo_teximage(width, height, 1, + format, type, pixels, packing); + if (!pixels) + return; + + { + GLint dstRowStride = 0, dstImageStride = 0; + GLboolean success; + if (texImage->IsCompressed) { + dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, + texImage->Width); + } + else { + dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes; + } + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 2, texImage->Format, + texImage->TexFormat, + texImage->Data, + xoffset, yoffset, 0, + dstRowStride, dstImageStride, + width, height, 1, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + +/* + * This is the software fallback for Driver.TexSubImage3D(). + * and Driver.CopyTexSubImage3D(). + */ +void +_mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + pixels = validate_pbo_teximage(width, height, depth, + format, type, pixels, packing); + if (!pixels) + return; + + { + GLint dstRowStride, dstImageStride; + GLboolean success; + if (texImage->IsCompressed) { + dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, + texImage->Width); + dstImageStride = 0; /* XXX fix */ + } + else { + dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes; + dstImageStride = dstRowStride * texImage->Height; + } + ASSERT(texImage->TexFormat->StoreImage); + success = texImage->TexFormat->StoreImage(ctx, 3, texImage->Format, + texImage->TexFormat, + texImage->Data, + xoffset, yoffset, zoffset, + dstRowStride, dstImageStride, + width, height, depth, + format, type, pixels, packing); + if (!success) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D"); + return; + } + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + +/* + * Fallback for Driver.CompressedTexImage1D() + */ +void +_mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + /* this space intentionally left blank */ + (void) ctx; + (void) target; (void) level; + (void) internalFormat; + (void) width; (void) border; + (void) imageSize; (void) data; + (void) texObj; + (void) texImage; +} + + + +/* + * Fallback for Driver.CompressedTexImage2D() + */ +void +_mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + (void) width; (void) height; (void) border; + + /* This is pretty simple, basically just do a memcpy without worrying + * about the usual image unpacking or image transfer operations. + */ + ASSERT(texObj); + ASSERT(texImage); + ASSERT(texImage->Width > 0); + ASSERT(texImage->Height > 0); + ASSERT(texImage->Depth == 1); + ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */ + + /* choose the texture format */ + assert(ctx->Driver.ChooseTextureFormat); + texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx, + internalFormat, 0, 0); + assert(texImage->TexFormat); + texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D; + texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df; + + /* allocate storage */ + texImage->Data = MESA_PBUFFER_ALLOC(imageSize); + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB"); + return; + } + + data = validate_pbo_compressed_teximage(imageSize, data, &ctx->Unpack); + if (!data) + return; + + /* copy the data */ + ASSERT(texImage->CompressedSize == (GLuint) imageSize); + MEMCPY(texImage->Data, data, imageSize); + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + + +/* + * Fallback for Driver.CompressedTexImage3D() + */ +void +_mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + /* this space intentionally left blank */ + (void) ctx; + (void) target; (void) level; + (void) internalFormat; + (void) width; (void) height; (void) depth; + (void) border; + (void) imageSize; (void) data; + (void) texObj; + (void) texImage; +} + + + +/** + * Fallback for Driver.CompressedTexSubImage1D() + */ +void +_mesa_store_compressed_texsubimage1d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + /* this space intentionally left blank */ + (void) ctx; + (void) target; (void) level; + (void) xoffset; (void) width; + (void) format; + (void) imageSize; (void) data; + (void) texObj; + (void) texImage; +} + + +/** + * Fallback for Driver.CompressedTexSubImage2D() + */ +void +_mesa_store_compressed_texsubimage2d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + GLint bytesPerRow, destRowStride, srcRowStride; + GLint i, rows; + GLubyte *dest; + const GLubyte *src; + (void) format; + + /* these should have been caught sooner */ + ASSERT((width & 3) == 0 || width == 2 || width == 1); + ASSERT((height & 3) == 0 || height == 2 || height == 1); + ASSERT((xoffset & 3) == 0); + ASSERT((yoffset & 3) == 0); + + data = validate_pbo_compressed_teximage(imageSize, data, &ctx->Unpack); + if (!data) + return; + + srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, width); + src = (const GLubyte *) data; + + destRowStride = _mesa_compressed_row_stride(texImage->IntFormat, + texImage->Width); + dest = _mesa_compressed_image_address(xoffset, yoffset, 0, + texImage->IntFormat, + texImage->Width, + (GLubyte*) texImage->Data); + + bytesPerRow = srcRowStride; + rows = height / 4; + + for (i = 0; i < rows; i++) { + MEMCPY(dest, src, bytesPerRow); + dest += destRowStride; + src += srcRowStride; + } + + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +} + + +/** + * Fallback for Driver.CompressedTexSubImage3D() + */ +void +_mesa_store_compressed_texsubimage3d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + /* this space intentionally left blank */ + (void) ctx; + (void) target; (void) level; + (void) xoffset; (void) yoffset; (void) zoffset; + (void) width; (void) height; (void) depth; + (void) format; + (void) imageSize; (void) data; + (void) texObj; + (void) texImage; +} + + +/* + * Average together two rows of a source image to produce a single new + * row in the dest image. It's legal for the two source rows to point + * to the same data. The source width must be equal to either the + * dest width or two times the dest width. + */ +static void +do_row(const struct gl_texture_format *format, GLint srcWidth, + const GLvoid *srcRowA, const GLvoid *srcRowB, + GLint dstWidth, GLvoid *dstRow) +{ + const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1; + const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2; + + /* This assertion is no longer valid with non-power-of-2 textures + assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth); + */ + + switch (format->MesaFormat) { + case MESA_FORMAT_RGBA: + { + GLuint i, j, k; + const GLchan (*rowA)[4] = (const GLchan (*)[4]) srcRowA; + const GLchan (*rowB)[4] = (const GLchan (*)[4]) srcRowB; + GLchan (*dst)[4] = (GLchan (*)[4]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) / 4; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) / 4; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) / 4; + dst[i][3] = (rowA[j][3] + rowA[k][3] + + rowB[j][3] + rowB[k][3]) / 4; + } + } + return; + case MESA_FORMAT_RGB: + { + GLuint i, j, k; + const GLchan (*rowA)[3] = (const GLchan (*)[3]) srcRowA; + const GLchan (*rowB)[3] = (const GLchan (*)[3]) srcRowB; + GLchan (*dst)[3] = (GLchan (*)[3]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) / 4; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) / 4; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) / 4; + } + } + return; + case MESA_FORMAT_ALPHA: + case MESA_FORMAT_LUMINANCE: + case MESA_FORMAT_INTENSITY: + { + GLuint i, j, k; + const GLchan *rowA = (const GLchan *) srcRowA; + const GLchan *rowB = (const GLchan *) srcRowB; + GLchan *dst = (GLchan *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4; + } + } + return; + case MESA_FORMAT_LUMINANCE_ALPHA: + { + GLuint i, j, k; + const GLchan (*rowA)[2] = (const GLchan (*)[2]) srcRowA; + const GLchan (*rowB)[2] = (const GLchan (*)[2]) srcRowB; + GLchan (*dst)[2] = (GLchan (*)[2]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) / 4; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) / 4; + } + } + return; + case MESA_FORMAT_DEPTH_COMPONENT_FLOAT32: + { + GLuint i, j, k; + const GLfloat *rowA = (const GLfloat *) srcRowA; + const GLfloat *rowB = (const GLfloat *) srcRowB; + GLfloat *dst = (GLfloat *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F; + } + } + return; + case MESA_FORMAT_DEPTH_COMPONENT16: + { + GLuint i, j, k; + const GLushort *rowA = (const GLushort *) srcRowA; + const GLushort *rowB = (const GLushort *) srcRowB; + GLushort *dst = (GLushort *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4; + } + } + return; + /* Begin hardware formats */ + case MESA_FORMAT_RGBA8888: + case MESA_FORMAT_RGBA8888_REV: + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_ARGB8888_REV: + { + GLuint i, j, k; + const GLubyte (*rowA)[4] = (const GLubyte (*)[4]) srcRowA; + const GLubyte (*rowB)[4] = (const GLubyte (*)[4]) srcRowB; + GLubyte (*dst)[4] = (GLubyte (*)[4]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) / 4; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) / 4; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) / 4; + dst[i][3] = (rowA[j][3] + rowA[k][3] + + rowB[j][3] + rowB[k][3]) / 4; + } + } + return; + case MESA_FORMAT_RGB888: + case MESA_FORMAT_BGR888: + { + GLuint i, j, k; + const GLubyte (*rowA)[3] = (const GLubyte (*)[3]) srcRowA; + const GLubyte (*rowB)[3] = (const GLubyte (*)[3]) srcRowB; + GLubyte (*dst)[3] = (GLubyte (*)[3]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) / 4; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) / 4; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) / 4; + } + } + return; + case MESA_FORMAT_RGB565: + case MESA_FORMAT_RGB565_REV: + { + GLuint i, j, k; + const GLushort *rowA = (const GLushort *) srcRowA; + const GLushort *rowB = (const GLushort *) srcRowB; + GLushort *dst = (GLushort *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0x1f; + const GLint rowAr1 = rowA[k] & 0x1f; + const GLint rowBr0 = rowB[j] & 0x1f; + const GLint rowBr1 = rowB[k] & 0x1f; + const GLint rowAg0 = (rowA[j] >> 5) & 0x3f; + const GLint rowAg1 = (rowA[k] >> 5) & 0x3f; + const GLint rowBg0 = (rowB[j] >> 5) & 0x3f; + const GLint rowBg1 = (rowB[k] >> 5) & 0x3f; + const GLint rowAb0 = (rowA[j] >> 11) & 0x1f; + const GLint rowAb1 = (rowA[k] >> 11) & 0x1f; + const GLint rowBb0 = (rowB[j] >> 11) & 0x1f; + const GLint rowBb1 = (rowB[k] >> 11) & 0x1f; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + dst[i] = (blue << 11) | (green << 5) | red; + } + } + return; + case MESA_FORMAT_ARGB4444: + case MESA_FORMAT_ARGB4444_REV: + { + GLuint i, j, k; + const GLushort *rowA = (const GLushort *) srcRowA; + const GLushort *rowB = (const GLushort *) srcRowB; + GLushort *dst = (GLushort *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0xf; + const GLint rowAr1 = rowA[k] & 0xf; + const GLint rowBr0 = rowB[j] & 0xf; + const GLint rowBr1 = rowB[k] & 0xf; + const GLint rowAg0 = (rowA[j] >> 4) & 0xf; + const GLint rowAg1 = (rowA[k] >> 4) & 0xf; + const GLint rowBg0 = (rowB[j] >> 4) & 0xf; + const GLint rowBg1 = (rowB[k] >> 4) & 0xf; + const GLint rowAb0 = (rowA[j] >> 8) & 0xf; + const GLint rowAb1 = (rowA[k] >> 8) & 0xf; + const GLint rowBb0 = (rowB[j] >> 8) & 0xf; + const GLint rowBb1 = (rowB[k] >> 8) & 0xf; + const GLint rowAa0 = (rowA[j] >> 12) & 0xf; + const GLint rowAa1 = (rowA[k] >> 12) & 0xf; + const GLint rowBa0 = (rowB[j] >> 12) & 0xf; + const GLint rowBa1 = (rowB[k] >> 12) & 0xf; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; + dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red; + } + } + return; + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_ARGB1555_REV: /* XXX broken? */ + { + GLuint i, j, k; + const GLushort *rowA = (const GLushort *) srcRowA; + const GLushort *rowB = (const GLushort *) srcRowB; + GLushort *dst = (GLushort *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0x1f; + const GLint rowAr1 = rowA[k] & 0x1f; + const GLint rowBr0 = rowB[j] & 0x1f; + const GLint rowBr1 = rowB[k] & 0xf; + const GLint rowAg0 = (rowA[j] >> 5) & 0x1f; + const GLint rowAg1 = (rowA[k] >> 5) & 0x1f; + const GLint rowBg0 = (rowB[j] >> 5) & 0x1f; + const GLint rowBg1 = (rowB[k] >> 5) & 0x1f; + const GLint rowAb0 = (rowA[j] >> 10) & 0x1f; + const GLint rowAb1 = (rowA[k] >> 10) & 0x1f; + const GLint rowBb0 = (rowB[j] >> 10) & 0x1f; + const GLint rowBb1 = (rowB[k] >> 10) & 0x1f; + const GLint rowAa0 = (rowA[j] >> 15) & 0x1; + const GLint rowAa1 = (rowA[k] >> 15) & 0x1; + const GLint rowBa0 = (rowB[j] >> 15) & 0x1; + const GLint rowBa1 = (rowB[k] >> 15) & 0x1; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; + dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red; + } + } + return; + case MESA_FORMAT_AL88: + case MESA_FORMAT_AL88_REV: + { + GLuint i, j, k; + const GLubyte (*rowA)[2] = (const GLubyte (*)[2]) srcRowA; + const GLubyte (*rowB)[2] = (const GLubyte (*)[2]) srcRowB; + GLubyte (*dst)[2] = (GLubyte (*)[2]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) >> 2; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) >> 2; + } + } + return; + case MESA_FORMAT_RGB332: + { + GLuint i, j, k; + const GLubyte *rowA = (const GLubyte *) srcRowA; + const GLubyte *rowB = (const GLubyte *) srcRowB; + GLubyte *dst = (GLubyte *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0x3; + const GLint rowAr1 = rowA[k] & 0x3; + const GLint rowBr0 = rowB[j] & 0x3; + const GLint rowBr1 = rowB[k] & 0x3; + const GLint rowAg0 = (rowA[j] >> 2) & 0x7; + const GLint rowAg1 = (rowA[k] >> 2) & 0x7; + const GLint rowBg0 = (rowB[j] >> 2) & 0x7; + const GLint rowBg1 = (rowB[k] >> 2) & 0x7; + const GLint rowAb0 = (rowA[j] >> 5) & 0x7; + const GLint rowAb1 = (rowA[k] >> 5) & 0x7; + const GLint rowBb0 = (rowB[j] >> 5) & 0x7; + const GLint rowBb1 = (rowB[k] >> 5) & 0x7; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + dst[i] = (blue << 5) | (green << 2) | red; + } + } + return; + case MESA_FORMAT_A8: + case MESA_FORMAT_L8: + case MESA_FORMAT_I8: + case MESA_FORMAT_CI8: + { + GLuint i, j, k; + const GLubyte *rowA = (const GLubyte *) srcRowA; + const GLubyte *rowB = (const GLubyte *) srcRowB; + GLubyte *dst = (GLubyte *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2; + } + } + return; + case MESA_FORMAT_RGBA_FLOAT32: + { + GLuint i, j, k; + const GLfloat (*rowA)[4] = (const GLfloat (*)[4]) srcRowA; + const GLfloat (*rowB)[4] = (const GLfloat (*)[4]) srcRowB; + GLfloat (*dst)[4] = (GLfloat (*)[4]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) * 0.25F; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) * 0.25F; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) * 0.25F; + dst[i][3] = (rowA[j][3] + rowA[k][3] + + rowB[j][3] + rowB[k][3]) * 0.25F; + } + } + return; + case MESA_FORMAT_RGBA_FLOAT16: + { + GLuint i, j, k, comp; + const GLhalfARB (*rowA)[4] = (const GLhalfARB (*)[4]) srcRowA; + const GLhalfARB (*rowB)[4] = (const GLhalfARB (*)[4]) srcRowB; + GLhalfARB (*dst)[4] = (GLhalfARB (*)[4]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + for (comp = 0; comp < 4; comp++) { + GLfloat aj, ak, bj, bk; + aj = _mesa_half_to_float(rowA[j][comp]); + ak = _mesa_half_to_float(rowA[k][comp]); + bj = _mesa_half_to_float(rowB[j][comp]); + bk = _mesa_half_to_float(rowB[k][comp]); + dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); + } + } + } + return; + case MESA_FORMAT_RGB_FLOAT32: + { + GLuint i, j, k; + const GLfloat (*rowA)[3] = (const GLfloat (*)[3]) srcRowA; + const GLfloat (*rowB)[3] = (const GLfloat (*)[3]) srcRowB; + GLfloat (*dst)[3] = (GLfloat (*)[3]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) * 0.25F; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) * 0.25F; + dst[i][2] = (rowA[j][2] + rowA[k][2] + + rowB[j][2] + rowB[k][2]) * 0.25F; + } + } + return; + case MESA_FORMAT_RGB_FLOAT16: + { + GLuint i, j, k, comp; + const GLhalfARB (*rowA)[3] = (const GLhalfARB (*)[3]) srcRowA; + const GLhalfARB (*rowB)[3] = (const GLhalfARB (*)[3]) srcRowB; + GLhalfARB (*dst)[3] = (GLhalfARB (*)[3]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + for (comp = 0; comp < 3; comp++) { + GLfloat aj, ak, bj, bk; + aj = _mesa_half_to_float(rowA[j][comp]); + ak = _mesa_half_to_float(rowA[k][comp]); + bj = _mesa_half_to_float(rowB[j][comp]); + bk = _mesa_half_to_float(rowB[k][comp]); + dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); + } + } + } + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: + { + GLuint i, j, k; + const GLfloat (*rowA)[2] = (const GLfloat (*)[2]) srcRowA; + const GLfloat (*rowB)[2] = (const GLfloat (*)[2]) srcRowB; + GLfloat (*dst)[2] = (GLfloat (*)[2]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i][0] = (rowA[j][0] + rowA[k][0] + + rowB[j][0] + rowB[k][0]) * 0.25F; + dst[i][1] = (rowA[j][1] + rowA[k][1] + + rowB[j][1] + rowB[k][1]) * 0.25F; + } + } + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: + { + GLuint i, j, k, comp; + const GLhalfARB (*rowA)[2] = (const GLhalfARB (*)[2]) srcRowA; + const GLhalfARB (*rowB)[2] = (const GLhalfARB (*)[2]) srcRowB; + GLhalfARB (*dst)[2] = (GLhalfARB (*)[2]) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + for (comp = 0; comp < 2; comp++) { + GLfloat aj, ak, bj, bk; + aj = _mesa_half_to_float(rowA[j][comp]); + ak = _mesa_half_to_float(rowA[k][comp]); + bj = _mesa_half_to_float(rowB[j][comp]); + bk = _mesa_half_to_float(rowB[k][comp]); + dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); + } + } + } + return; + case MESA_FORMAT_ALPHA_FLOAT32: + case MESA_FORMAT_LUMINANCE_FLOAT32: + case MESA_FORMAT_INTENSITY_FLOAT32: + { + GLuint i, j, k; + const GLfloat *rowA = (const GLfloat *) srcRowA; + const GLfloat *rowB = (const GLfloat *) srcRowB; + GLfloat *dst = (GLfloat *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F; + } + } + return; + case MESA_FORMAT_ALPHA_FLOAT16: + case MESA_FORMAT_LUMINANCE_FLOAT16: + case MESA_FORMAT_INTENSITY_FLOAT16: + { + GLuint i, j, k; + const GLhalfARB *rowA = (const GLhalfARB *) srcRowA; + const GLhalfARB *rowB = (const GLhalfARB *) srcRowB; + GLhalfARB *dst = (GLhalfARB *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + GLfloat aj, ak, bj, bk; + aj = _mesa_half_to_float(rowA[j]); + ak = _mesa_half_to_float(rowA[k]); + bj = _mesa_half_to_float(rowB[j]); + bk = _mesa_half_to_float(rowB[k]); + dst[i] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); + } + } + return; + + default: + _mesa_problem(NULL, "bad format in do_row()"); + } +} + + +/* + * These functions generate a 1/2-size mipmap image from a source image. + * Texture borders are handled by copying or averaging the source image's + * border texels, depending on the scale-down factor. + */ + +static void +make_1d_mipmap(const struct gl_texture_format *format, GLint border, + GLint srcWidth, const GLubyte *srcPtr, + GLint dstWidth, GLubyte *dstPtr) +{ + const GLint bpt = format->TexelBytes; + const GLubyte *src; + GLubyte *dst; + + /* skip the border pixel, if any */ + src = srcPtr + border * bpt; + dst = dstPtr + border * bpt; + + /* we just duplicate the input row, kind of hack, saves code */ + do_row(format, srcWidth - 2 * border, src, src, + dstWidth - 2 * border, dst); + + if (border) { + /* copy left-most pixel from source */ + MEMCPY(dstPtr, srcPtr, bpt); + /* copy right-most pixel from source */ + MEMCPY(dstPtr + (dstWidth - 1) * bpt, + srcPtr + (srcWidth - 1) * bpt, + bpt); + } +} + + +static void +make_2d_mipmap(const struct gl_texture_format *format, GLint border, + GLint srcWidth, GLint srcHeight, const GLubyte *srcPtr, + GLint dstWidth, GLint dstHeight, GLubyte *dstPtr) +{ + const GLint bpt = format->TexelBytes; + const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ + const GLint dstWidthNB = dstWidth - 2 * border; + const GLint dstHeightNB = dstHeight - 2 * border; + const GLint srcRowStride = bpt * srcWidth; + const GLint dstRowStride = bpt * dstWidth; + const GLubyte *srcA, *srcB; + GLubyte *dst; + GLint row; + + /* Compute src and dst pointers, skipping any border */ + srcA = srcPtr + border * ((srcWidth + 1) * bpt); + if (srcHeight > 1) + srcB = srcA + srcRowStride; + else + srcB = srcA; + dst = dstPtr + border * ((dstWidth + 1) * bpt); + + for (row = 0; row < dstHeightNB; row++) { + do_row(format, srcWidthNB, srcA, srcB, + dstWidthNB, dst); + srcA += 2 * srcRowStride; + srcB += 2 * srcRowStride; + dst += dstRowStride; + } + + /* This is ugly but probably won't be used much */ + if (border > 0) { + /* fill in dest border */ + /* lower-left border pixel */ + MEMCPY(dstPtr, srcPtr, bpt); + /* lower-right border pixel */ + MEMCPY(dstPtr + (dstWidth - 1) * bpt, + srcPtr + (srcWidth - 1) * bpt, bpt); + /* upper-left border pixel */ + MEMCPY(dstPtr + dstWidth * (dstHeight - 1) * bpt, + srcPtr + srcWidth * (srcHeight - 1) * bpt, bpt); + /* upper-right border pixel */ + MEMCPY(dstPtr + (dstWidth * dstHeight - 1) * bpt, + srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt); + /* lower border */ + do_row(format, srcWidthNB, + srcPtr + bpt, + srcPtr + bpt, + dstWidthNB, dstPtr + bpt); + /* upper border */ + do_row(format, srcWidthNB, + srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, + srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, + dstWidthNB, + dstPtr + (dstWidth * (dstHeight - 1) + 1) * bpt); + /* left and right borders */ + if (srcHeight == dstHeight) { + /* copy border pixel from src to dst */ + for (row = 1; row < srcHeight; row++) { + MEMCPY(dstPtr + dstWidth * row * bpt, + srcPtr + srcWidth * row * bpt, bpt); + MEMCPY(dstPtr + (dstWidth * row + dstWidth - 1) * bpt, + srcPtr + (srcWidth * row + srcWidth - 1) * bpt, bpt); + } + } + else { + /* average two src pixels each dest pixel */ + for (row = 0; row < dstHeightNB; row += 2) { + do_row(format, 1, + srcPtr + (srcWidth * (row * 2 + 1)) * bpt, + srcPtr + (srcWidth * (row * 2 + 2)) * bpt, + 1, dstPtr + (dstWidth * row + 1) * bpt); + do_row(format, 1, + srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt, + srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt, + 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt); + } + } + } +} + + +static void +make_3d_mipmap(const struct gl_texture_format *format, GLint border, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + const GLubyte *srcPtr, + GLint dstWidth, GLint dstHeight, GLint dstDepth, + GLubyte *dstPtr) +{ + const GLint bpt = format->TexelBytes; + const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ + const GLint srcDepthNB = srcDepth - 2 * border; + const GLint dstWidthNB = dstWidth - 2 * border; + const GLint dstHeightNB = dstHeight - 2 * border; + const GLint dstDepthNB = dstDepth - 2 * border; + GLvoid *tmpRowA, *tmpRowB; + GLint img, row; + GLint bytesPerSrcImage, bytesPerDstImage; + GLint bytesPerSrcRow, bytesPerDstRow; + GLint srcImageOffset, srcRowOffset; + + (void) srcDepthNB; /* silence warnings */ + + /* Need two temporary row buffers */ + tmpRowA = MALLOC(srcWidth * bpt); + if (!tmpRowA) + return; + tmpRowB = MALLOC(srcWidth * bpt); + if (!tmpRowB) { + FREE(tmpRowA); + return; + } + + bytesPerSrcImage = srcWidth * srcHeight * bpt; + bytesPerDstImage = dstWidth * dstHeight * bpt; + + bytesPerSrcRow = srcWidth * bpt; + bytesPerDstRow = dstWidth * bpt; + + /* Offset between adjacent src images to be averaged together */ + srcImageOffset = (srcDepth == dstDepth) ? 0 : bytesPerSrcImage; + + /* Offset between adjacent src rows to be averaged together */ + srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt; + + /* + * Need to average together up to 8 src pixels for each dest pixel. + * Break that down into 3 operations: + * 1. take two rows from source image and average them together. + * 2. take two rows from next source image and average them together. + * 3. take the two averaged rows and average them for the final dst row. + */ + + /* + _mesa_printf("mip3d %d x %d x %d -> %d x %d x %d\n", + srcWidth, srcHeight, srcDepth, dstWidth, dstHeight, dstDepth); + */ + + for (img = 0; img < dstDepthNB; img++) { + /* first source image pointer, skipping border */ + const GLubyte *imgSrcA = srcPtr + + (bytesPerSrcImage + bytesPerSrcRow + border) * bpt * border + + img * (bytesPerSrcImage + srcImageOffset); + /* second source image pointer, skipping border */ + const GLubyte *imgSrcB = imgSrcA + srcImageOffset; + /* address of the dest image, skipping border */ + GLubyte *imgDst = dstPtr + + (bytesPerDstImage + bytesPerDstRow + border) * bpt * border + + img * bytesPerDstImage; + + /* setup the four source row pointers and the dest row pointer */ + const GLubyte *srcImgARowA = imgSrcA; + const GLubyte *srcImgARowB = imgSrcA + srcRowOffset; + const GLubyte *srcImgBRowA = imgSrcB; + const GLubyte *srcImgBRowB = imgSrcB + srcRowOffset; + GLubyte *dstImgRow = imgDst; + + for (row = 0; row < dstHeightNB; row++) { + /* Average together two rows from first src image */ + do_row(format, srcWidthNB, srcImgARowA, srcImgARowB, + srcWidthNB, tmpRowA); + /* Average together two rows from second src image */ + do_row(format, srcWidthNB, srcImgBRowA, srcImgBRowB, + srcWidthNB, tmpRowB); + /* Average together the temp rows to make the final row */ + do_row(format, srcWidthNB, tmpRowA, tmpRowB, + dstWidthNB, dstImgRow); + /* advance to next rows */ + srcImgARowA += bytesPerSrcRow + srcRowOffset; + srcImgARowB += bytesPerSrcRow + srcRowOffset; + srcImgBRowA += bytesPerSrcRow + srcRowOffset; + srcImgBRowB += bytesPerSrcRow + srcRowOffset; + dstImgRow += bytesPerDstRow; + } + } + + FREE(tmpRowA); + FREE(tmpRowB); + + /* Luckily we can leverage the make_2d_mipmap() function here! */ + if (border > 0) { + /* do front border image */ + make_2d_mipmap(format, 1, srcWidth, srcHeight, srcPtr, + dstWidth, dstHeight, dstPtr); + /* do back border image */ + make_2d_mipmap(format, 1, srcWidth, srcHeight, + srcPtr + bytesPerSrcImage * (srcDepth - 1), + dstWidth, dstHeight, + dstPtr + bytesPerDstImage * (dstDepth - 1)); + /* do four remaining border edges that span the image slices */ + if (srcDepth == dstDepth) { + /* just copy border pixels from src to dst */ + for (img = 0; img < dstDepthNB; img++) { + const GLubyte *src; + GLubyte *dst; + + /* do border along [img][row=0][col=0] */ + src = srcPtr + (img + 1) * bytesPerSrcImage; + dst = dstPtr + (img + 1) * bytesPerDstImage; + MEMCPY(dst, src, bpt); + + /* do border along [img][row=dstHeight-1][col=0] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (srcHeight - 1) * bytesPerSrcRow; + dst = dstPtr + (img + 1) * bytesPerDstImage + + (dstHeight - 1) * bytesPerDstRow; + MEMCPY(dst, src, bpt); + + /* do border along [img][row=0][col=dstWidth-1] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (srcWidth - 1) * bpt; + dst = dstPtr + (img + 1) * bytesPerDstImage + + (dstWidth - 1) * bpt; + MEMCPY(dst, src, bpt); + + /* do border along [img][row=dstHeight-1][col=dstWidth-1] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (bytesPerSrcImage - bpt); + dst = dstPtr + (img + 1) * bytesPerDstImage + + (bytesPerDstImage - bpt); + MEMCPY(dst, src, bpt); + } + } + else { + /* average border pixels from adjacent src image pairs */ + ASSERT(srcDepthNB == 2 * dstDepthNB); + for (img = 0; img < dstDepthNB; img++) { + const GLubyte *src; + GLubyte *dst; + + /* do border along [img][row=0][col=0] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage; + dst = dstPtr + (img + 1) * bytesPerDstImage; + do_row(format, 1, src, src + srcImageOffset, 1, dst); + + /* do border along [img][row=dstHeight-1][col=0] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (srcHeight - 1) * bytesPerSrcRow; + dst = dstPtr + (img + 1) * bytesPerDstImage + + (dstHeight - 1) * bytesPerDstRow; + do_row(format, 1, src, src + srcImageOffset, 1, dst); + + /* do border along [img][row=0][col=dstWidth-1] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (srcWidth - 1) * bpt; + dst = dstPtr + (img + 1) * bytesPerDstImage + + (dstWidth - 1) * bpt; + do_row(format, 1, src, src + srcImageOffset, 1, dst); + + /* do border along [img][row=dstHeight-1][col=dstWidth-1] */ + src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + + (bytesPerSrcImage - bpt); + dst = dstPtr + (img + 1) * bytesPerDstImage + + (bytesPerDstImage - bpt); + do_row(format, 1, src, src + srcImageOffset, 1, dst); + } + } + } +} + + +/* + * For GL_SGIX_generate_mipmap: + * Generate a complete set of mipmaps from texObj's base-level image. + * Stop at texObj's MaxLevel or when we get to the 1x1 texture. + */ +void +_mesa_generate_mipmap(GLcontext *ctx, GLenum target, + const struct gl_texture_unit *texUnit, + struct gl_texture_object *texObj) +{ + const struct gl_texture_image *srcImage; + const struct gl_texture_format *convertFormat; + const GLubyte *srcData = NULL; + GLubyte *dstData = NULL; + GLint level, maxLevels; + + ASSERT(texObj); + srcImage = texObj->Image[0][texObj->BaseLevel]; + ASSERT(srcImage); + + maxLevels = _mesa_max_texture_levels(ctx, texObj->Target); + ASSERT(maxLevels > 0); /* bad target */ + + /* Find convertFormat - the format that do_row() will process */ + if (srcImage->IsCompressed) { + /* setup for compressed textures */ + GLuint row; + GLint components, size; + GLchan *dst; + + assert(texObj->Target == GL_TEXTURE_2D); + + if (srcImage->Format == GL_RGB) { + convertFormat = &_mesa_texformat_rgb; + components = 3; + } + else if (srcImage->Format == GL_RGBA) { + convertFormat = &_mesa_texformat_rgba; + components = 4; + } + else { + _mesa_problem(ctx, "bad srcImage->Format in _mesa_generate_mipmaps"); + return; + } + + /* allocate storage for uncompressed GL_RGB or GL_RGBA images */ + size = _mesa_bytes_per_pixel(srcImage->Format, CHAN_TYPE) + * srcImage->Width * srcImage->Height * srcImage->Depth + 20; + /* 20 extra bytes, just be safe when calling last FetchTexel */ + srcData = (GLubyte *) MALLOC(size); + if (!srcData) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps"); + return; + } + dstData = (GLubyte *) MALLOC(size / 2); /* 1/4 would probably be OK */ + if (!dstData) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps"); + FREE((void *) srcData); + return; + } + + /* decompress base image here */ + dst = (GLchan *) srcData; + for (row = 0; row < srcImage->Height; row++) { + GLuint col; + for (col = 0; col < srcImage->Width; col++) { + srcImage->FetchTexelc(srcImage, col, row, 0, dst); + dst += components; + } + } + } + else { + /* uncompressed */ + convertFormat = srcImage->TexFormat; + } + + for (level = texObj->BaseLevel; level < texObj->MaxLevel + && level < maxLevels - 1; level++) { + /* generate image[level+1] from image[level] */ + const struct gl_texture_image *srcImage; + struct gl_texture_image *dstImage; + GLint srcWidth, srcHeight, srcDepth; + GLint dstWidth, dstHeight, dstDepth; + GLint border, bytesPerTexel; + + /* get src image parameters */ + srcImage = _mesa_select_tex_image(ctx, texUnit, target, level); + ASSERT(srcImage); + srcWidth = srcImage->Width; + srcHeight = srcImage->Height; + srcDepth = srcImage->Depth; + border = srcImage->Border; + + /* compute next (level+1) image size */ + if (srcWidth - 2 * border > 1) { + dstWidth = (srcWidth - 2 * border) / 2 + 2 * border; + } + else { + dstWidth = srcWidth; /* can't go smaller */ + } + if (srcHeight - 2 * border > 1) { + dstHeight = (srcHeight - 2 * border) / 2 + 2 * border; + } + else { + dstHeight = srcHeight; /* can't go smaller */ + } + if (srcDepth - 2 * border > 1) { + dstDepth = (srcDepth - 2 * border) / 2 + 2 * border; + } + else { + dstDepth = srcDepth; /* can't go smaller */ + } + + if (dstWidth == srcWidth && + dstHeight == srcHeight && + dstDepth == srcDepth) { + /* all done */ + if (srcImage->IsCompressed) { + FREE((void *) srcData); + FREE(dstData); + } + return; + } + + /* get dest gl_texture_image */ + dstImage = _mesa_get_tex_image(ctx, texUnit, target, level + 1); + if (!dstImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps"); + return; + } + + /* Free old image data */ + if (dstImage->Data) + MESA_PBUFFER_FREE(dstImage->Data); + + /* initialize new image */ + _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight, + dstDepth, border, srcImage->IntFormat); + dstImage->DriverData = NULL; + dstImage->TexFormat = srcImage->TexFormat; + dstImage->FetchTexelc = srcImage->FetchTexelc; + dstImage->FetchTexelf = srcImage->FetchTexelf; + ASSERT(dstImage->TexFormat); + ASSERT(dstImage->FetchTexelc); + ASSERT(dstImage->FetchTexelf); + + /* Alloc new teximage data buffer. + * Setup src and dest data pointers. + */ + if (dstImage->IsCompressed) { + ASSERT(dstImage->CompressedSize > 0); /* set by init_teximage_fields*/ + dstImage->Data = MESA_PBUFFER_ALLOC(dstImage->CompressedSize); + if (!dstImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps"); + return; + } + /* srcData and dstData are already set */ + ASSERT(srcData); + ASSERT(dstData); + } + else { + bytesPerTexel = srcImage->TexFormat->TexelBytes; + ASSERT(dstWidth * dstHeight * dstDepth * bytesPerTexel > 0); + dstImage->Data = MESA_PBUFFER_ALLOC(dstWidth * dstHeight * dstDepth + * bytesPerTexel); + if (!dstImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps"); + return; + } + srcData = (const GLubyte *) srcImage->Data; + dstData = (GLubyte *) dstImage->Data; + } + + /* + * We use simple 2x2 averaging to compute the next mipmap level. + */ + switch (target) { + case GL_TEXTURE_1D: + make_1d_mipmap(convertFormat, border, + srcWidth, srcData, + dstWidth, dstData); + break; + case GL_TEXTURE_2D: + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + make_2d_mipmap(convertFormat, border, + srcWidth, srcHeight, srcData, + dstWidth, dstHeight, dstData); + break; + case GL_TEXTURE_3D: + make_3d_mipmap(convertFormat, border, + srcWidth, srcHeight, srcDepth, srcData, + dstWidth, dstHeight, dstDepth, dstData); + break; + case GL_TEXTURE_RECTANGLE_NV: + /* no mipmaps, do nothing */ + break; + default: + _mesa_problem(ctx, "bad dimensions in _mesa_generate_mipmaps"); + return; + } + + if (dstImage->IsCompressed) { + GLubyte *temp; + /* compress image from dstData into dstImage->Data */ + const GLenum srcFormat = convertFormat->BaseFormat; + GLint dstRowStride = _mesa_compressed_row_stride(srcImage->IntFormat, + dstWidth); + ASSERT(srcFormat == GL_RGB || srcFormat == GL_RGBA); + dstImage->TexFormat->StoreImage(ctx, 2, dstImage->Format, + dstImage->TexFormat, + dstImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, 0, /* strides */ + dstWidth, dstHeight, 1, /* size */ + srcFormat, CHAN_TYPE, + dstData, /* src data, actually */ + &ctx->DefaultPacking); + /* swap src and dest pointers */ + temp = (GLubyte *) srcData; + srcData = dstData; + dstData = temp; + } + + } /* loop over mipmap levels */ +} + + +/** + * Helper function for drivers which need to rescale texture images to + * certain aspect ratios. + * Nearest filtering only (for broken hardware that can't support + * all aspect ratios). This can be made a lot faster, but I don't + * really care enough... + */ +void _mesa_rescale_teximage2d( GLuint bytesPerPixel, GLuint dstRowStride, + GLint srcWidth, GLint srcHeight, + GLint dstWidth, GLint dstHeight, + const GLvoid *srcImage, GLvoid *dstImage ) +{ + GLint row, col; + +#define INNER_LOOP( TYPE, HOP, WOP ) \ + for ( row = 0 ; row < dstHeight ; row++ ) { \ + GLint srcRow = row HOP hScale; \ + for ( col = 0 ; col < dstWidth ; col++ ) { \ + GLint srcCol = col WOP wScale; \ + dst[col] = src[srcRow * srcWidth + srcCol]; \ + } \ + dst = (TYPE *) ((GLubyte *) dst + dstRowStride); \ + } \ + +#define RESCALE_IMAGE( TYPE ) \ +do { \ + const TYPE *src = (const TYPE *)srcImage; \ + TYPE *dst = (TYPE *)dstImage; \ + \ + if ( srcHeight <= dstHeight ) { \ + const GLint hScale = dstHeight / srcHeight; \ + if ( srcWidth <= dstWidth ) { \ + const GLint wScale = dstWidth / srcWidth; \ + INNER_LOOP( TYPE, /, / ); \ + } \ + else { \ + const GLint wScale = srcWidth / dstWidth; \ + INNER_LOOP( TYPE, /, * ); \ + } \ + } \ + else { \ + const GLint hScale = srcHeight / dstHeight; \ + if ( srcWidth <= dstWidth ) { \ + const GLint wScale = dstWidth / srcWidth; \ + INNER_LOOP( TYPE, *, / ); \ + } \ + else { \ + const GLint wScale = srcWidth / dstWidth; \ + INNER_LOOP( TYPE, *, * ); \ + } \ + } \ +} while (0) + + switch ( bytesPerPixel ) { + case 4: + RESCALE_IMAGE( GLuint ); + break; + + case 2: + RESCALE_IMAGE( GLushort ); + break; + + case 1: + RESCALE_IMAGE( GLubyte ); + break; + default: + _mesa_problem(NULL,"unexpected bytes/pixel in _mesa_rescale_teximage2d"); + } +} + + +/** + * Upscale an image by replication, not (typical) stretching. + * We use this when the image width or height is less than a + * certain size (4, 8) and we need to upscale an image. + */ +void +_mesa_upscale_teximage2d (GLsizei inWidth, GLsizei inHeight, + GLsizei outWidth, GLsizei outHeight, + GLint comps, const GLchan *src, GLint srcRowStride, + GLchan *dest ) +{ + GLint i, j, k; + + ASSERT(outWidth >= inWidth); + ASSERT(outHeight >= inHeight); +#if 0 + ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2); + ASSERT((outWidth & 3) == 0); + ASSERT((outHeight & 3) == 0); +#endif + + for (i = 0; i < outHeight; i++) { + const GLint ii = i % inHeight; + for (j = 0; j < outWidth; j++) { + const GLint jj = j % inWidth; + for (k = 0; k < comps; k++) { + dest[(i * outWidth + j) * comps + k] + = src[ii * srcRowStride + jj * comps + k]; + } + } + } +} diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h new file mode 100644 index 0000000..85caa77 --- /dev/null +++ b/src/mesa/main/texstore.h @@ -0,0 +1,227 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texstore.h + * Texture image storage routines. + * + * \author Brian Paul + */ + + +#ifndef TEXSTORE_H +#define TEXSTORE_H + + +#include "mtypes.h" + +/* Macro just to save some typing */ +#define STORE_PARAMS \ + GLcontext *ctx, GLuint dims, \ + GLenum baseInternalFormat, \ + const struct gl_texture_format *dstFormat, \ + GLvoid *dstAddr, \ + GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \ + GLint dstRowStride, GLint dstImageStride, \ + GLint srcWidth, GLint srcHeight, GLint srcDepth, \ + GLenum srcFormat, GLenum srcType, \ + const GLvoid *srcAddr, \ + const struct gl_pixelstore_attrib *srcPacking + + +extern GLboolean _mesa_texstore_rgba(STORE_PARAMS); +extern GLboolean _mesa_texstore_color_index(STORE_PARAMS); +extern GLboolean _mesa_texstore_depth_component16(STORE_PARAMS); +extern GLboolean _mesa_texstore_depth_component_float32(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba8888(STORE_PARAMS); +extern GLboolean _mesa_texstore_argb8888(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb888(STORE_PARAMS); +extern GLboolean _mesa_texstore_bgr888(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb565(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb565_rev(STORE_PARAMS); +extern GLboolean _mesa_texstore_argb4444(STORE_PARAMS); +extern GLboolean _mesa_texstore_argb4444_rev(STORE_PARAMS); +extern GLboolean _mesa_texstore_argb1555(STORE_PARAMS); +extern GLboolean _mesa_texstore_argb1555_rev(STORE_PARAMS); +extern GLboolean _mesa_texstore_al88(STORE_PARAMS); +extern GLboolean _mesa_texstore_al88_rev(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb332(STORE_PARAMS); +extern GLboolean _mesa_texstore_a8(STORE_PARAMS); +extern GLboolean _mesa_texstore_ci8(STORE_PARAMS); +extern GLboolean _mesa_texstore_ycbcr(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_float32(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_float16(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb_fxt1(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_fxt1(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgb_dxt1(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_dxt1(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_dxt3(STORE_PARAMS); +extern GLboolean _mesa_texstore_rgba_dxt5(STORE_PARAMS); + + +extern GLchan * +_mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims, + GLenum logicalBaseFormat, + GLenum textureBaseFormat, + GLint srcWidth, GLint srcHeight, GLint srcDepth, + GLenum srcFormat, GLenum srcType, + const GLvoid *srcAddr, + const struct gl_pixelstore_attrib *srcPacking); + + +extern void +_mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_texsubimage1d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint width, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_texsubimage2d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint width, GLint height, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_compressed_teximage1d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +extern void +_mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +extern void +_mesa_store_compressed_teximage3d(GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_store_compressed_texsubimage1d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +extern void +_mesa_store_compressed_texsubimage2d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +extern void +_mesa_store_compressed_texsubimage3d(GLcontext *ctx, GLenum target, + GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + +extern void +_mesa_generate_mipmap(GLcontext *ctx, GLenum target, + const struct gl_texture_unit *texUnit, + struct gl_texture_object *texObj); + + +extern void +_mesa_rescale_teximage2d(GLuint bytesPerPixel, GLuint dstRowStride, + GLint srcWidth, GLint srcHeight, + GLint dstWidth, GLint dstHeight, + const GLvoid *srcImage, GLvoid *dstImage); + +extern void +_mesa_upscale_teximage2d( GLsizei inWidth, GLsizei inHeight, + GLsizei outWidth, GLsizei outHeight, + GLint comps, const GLchan *src, GLint srcRowStride, + GLchan *dest ); + +#endif diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c new file mode 100644 index 0000000..4043028 --- /dev/null +++ b/src/mesa/main/varray.c @@ -0,0 +1,994 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "glheader.h" +#include "imports.h" +#include "bufferobj.h" +#include "context.h" +#include "enable.h" +#include "enums.h" +#include "dlist.h" +#include "texstate.h" +#include "mtypes.h" +#include "varray.h" + + +#ifndef GL_BOOLEAN +#define GL_BOOLEAN 0x9999 +#endif + + +/** + * Update the fields of a vertex array structure. + * We need to do a few special things for arrays that live in + * vertex buffer objects. + */ +static void +update_array(GLcontext *ctx, struct gl_client_array *array, + GLuint dirtyFlag, GLsizei elementSize, + GLint size, GLenum type, + GLsizei stride, GLboolean normalized, const GLvoid *ptr) +{ + array->Size = size; + array->Type = type; + array->Stride = stride; + array->StrideB = stride ? stride : elementSize; + array->Normalized = normalized; + array->Ptr = (const GLubyte *) ptr; +#if FEATURE_ARB_vertex_buffer_object + array->BufferObj->RefCount--; + if (array->BufferObj->RefCount <= 0) { + ASSERT(array->BufferObj->Name); + _mesa_remove_buffer_object( ctx, array->BufferObj ); + (*ctx->Driver.DeleteBuffer)( ctx, array->BufferObj ); + } + array->BufferObj = ctx->Array.ArrayBufferObj; + array->BufferObj->RefCount++; + /* Compute the index of the last array element that's inside the buffer. + * Later in glDrawArrays we'll check if start + count > _MaxElement to + * be sure we won't go out of bounds. + */ + if (ctx->Array.ArrayBufferObj->Name) + array->_MaxElement = ((GLsizeiptrARB) ctx->Array.ArrayBufferObj->Size + - (GLsizeiptrARB) array->Ptr) / array->StrideB; + else +#endif + array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */ + + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= dirtyFlag; +} + + +void GLAPIENTRY +_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 2 || size > 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glVertexPointer( sz %d type %s stride %d )\n", size, + _mesa_lookup_enum_by_nr( type ), stride); + + /* always need to check that <type> is legal */ + switch (type) { + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.Vertex, _NEW_ARRAY_VERTEX, + elementSize, size, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.VertexPointer) + ctx->Driver.VertexPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glNormalPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glNormalPointer( type %s stride %d )\n", + _mesa_lookup_enum_by_nr( type ), stride); + + switch (type) { + case GL_BYTE: + elementSize = 3 * sizeof(GLbyte); + break; + case GL_SHORT: + elementSize = 3 * sizeof(GLshort); + break; + case GL_INT: + elementSize = 3 * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = 3 * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = 3 * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.Normal, _NEW_ARRAY_NORMAL, + elementSize, 3, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.NormalPointer) + ctx->Driver.NormalPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 3 || size > 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glColorPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glColorPointer( sz %d type %s stride %d )\n", size, + _mesa_lookup_enum_by_nr( type ), stride); + + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glColorPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.Color, _NEW_ARRAY_COLOR0, + elementSize, size, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.ColorPointer) + ctx->Driver.ColorPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLint elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glFogCoordPointer(stride)" ); + return; + } + + switch (type) { + case GL_FLOAT: + elementSize = sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glFogCoordPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.FogCoord, _NEW_ARRAY_FOGCOORD, + elementSize, 1, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.FogCoordPointer) + ctx->Driver.FogCoordPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glIndexPointer(stride)" ); + return; + } + + switch (type) { + case GL_UNSIGNED_BYTE: + elementSize = sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = sizeof(GLshort); + break; + case GL_INT: + elementSize = sizeof(GLint); + break; + case GL_FLOAT: + elementSize = sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glIndexPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.Index, _NEW_ARRAY_INDEX, + elementSize, 1, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.IndexPointer) + ctx->Driver.IndexPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size != 3 && size != 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glSecondaryColorPointer( sz %d type %s stride %d )\n", + size, _mesa_lookup_enum_by_nr( type ), stride); + + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glSecondaryColorPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.SecondaryColor, _NEW_ARRAY_COLOR1, + elementSize, size, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.SecondaryColorPointer) + ctx->Driver.SecondaryColorPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GLint elementSize; + GET_CURRENT_CONTEXT(ctx); + const GLuint unit = ctx->Array.ActiveTexture; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 1 || size > 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glTexCoordPointer(unit %u sz %d type %s stride %d)\n", + unit, size, _mesa_lookup_enum_by_nr( type ), stride); + + /* always need to check that <type> is legal */ + switch (type) { + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.TexCoord[unit], _NEW_ARRAY_TEXCOORD(unit), + elementSize, size, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.TexCoordPointer) + ctx->Driver.TexCoordPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glEdgeFlagPointer(stride)" ); + return; + } + + update_array(ctx, &ctx->Array.EdgeFlag, _NEW_ARRAY_EDGEFLAG, + sizeof(GLboolean), 1, GL_BOOLEAN, stride, GL_FALSE, ptr); + + if (ctx->Driver.EdgeFlagPointer) + ctx->Driver.EdgeFlagPointer( ctx, stride, ptr ); +} + + +#if FEATURE_NV_vertex_program +void GLAPIENTRY +_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (index >= VERT_ATTRIB_MAX) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)"); + return; + } + + if (size < 1 || size > 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size)"); + return; + } + + if (stride < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(stride)"); + return; + } + + if (type == GL_UNSIGNED_BYTE && size != 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)"); + return; + } + + /* check for valid 'type' and compute StrideB right away */ + switch (type) { + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerNV(type)" ); + return; + } + + update_array(ctx, &ctx->Array.VertexAttrib[index], _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, stride, GL_FALSE, ptr); + + if (ctx->Driver.VertexAttribPointer) + ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr ); +} +#endif + + +#if FEATURE_ARB_vertex_program +void GLAPIENTRY +_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, + GLboolean normalized, + GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (index >= ctx->Const.MaxVertexProgramAttribs) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)"); + return; + } + + if (size < 1 || size > 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(size)"); + return; + } + + if (stride < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(stride)"); + return; + } + + if (type == GL_UNSIGNED_BYTE && size != 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(size!=4)"); + return; + } + + /* check for valid 'type' and compute StrideB right away */ + /* NOTE: more types are supported here than in the NV extension */ + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerARB(type)" ); + return; + } + + update_array(ctx, &ctx->Array.VertexAttrib[index], _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, stride, normalized, ptr); + + /* XXX fix + if (ctx->Driver.VertexAttribPointer) + ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr ); + */ +} +#endif + + +void GLAPIENTRY +_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr) +{ + (void) count; + _mesa_VertexPointer(size, type, stride, ptr); +} + + +void GLAPIENTRY +_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr) +{ + (void) count; + _mesa_NormalPointer(type, stride, ptr); +} + + +void GLAPIENTRY +_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr) +{ + (void) count; + _mesa_ColorPointer(size, type, stride, ptr); +} + + +void GLAPIENTRY +_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr) +{ + (void) count; + _mesa_IndexPointer(type, stride, ptr); +} + + +void GLAPIENTRY +_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr) +{ + (void) count; + _mesa_TexCoordPointer(size, type, stride, ptr); +} + + +void GLAPIENTRY +_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr) +{ + (void) count; + _mesa_EdgeFlagPointer(stride, ptr); +} + + +void GLAPIENTRY +_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer) +{ + GET_CURRENT_CONTEXT(ctx); + GLboolean tflag, cflag, nflag; /* enable/disable flags */ + GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */ + GLenum ctype = 0; /* color type */ + GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */ + const GLint toffset = 0; /* always zero */ + GLint defstride; /* default stride */ + GLint c, f; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + f = sizeof(GLfloat); + c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" ); + return; + } + + switch (format) { + case GL_V2F: + tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; + tcomps = 0; ccomps = 0; vcomps = 2; + voffset = 0; + defstride = 2*f; + break; + case GL_V3F: + tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; + tcomps = 0; ccomps = 0; vcomps = 3; + voffset = 0; + defstride = 3*f; + break; + case GL_C4UB_V2F: + tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; + tcomps = 0; ccomps = 4; vcomps = 2; + ctype = GL_UNSIGNED_BYTE; + coffset = 0; + voffset = c; + defstride = c + 2*f; + break; + case GL_C4UB_V3F: + tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; + tcomps = 0; ccomps = 4; vcomps = 3; + ctype = GL_UNSIGNED_BYTE; + coffset = 0; + voffset = c; + defstride = c + 3*f; + break; + case GL_C3F_V3F: + tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; + tcomps = 0; ccomps = 3; vcomps = 3; + ctype = GL_FLOAT; + coffset = 0; + voffset = 3*f; + defstride = 6*f; + break; + case GL_N3F_V3F: + tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE; + tcomps = 0; ccomps = 0; vcomps = 3; + noffset = 0; + voffset = 3*f; + defstride = 6*f; + break; + case GL_C4F_N3F_V3F: + tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE; + tcomps = 0; ccomps = 4; vcomps = 3; + ctype = GL_FLOAT; + coffset = 0; + noffset = 4*f; + voffset = 7*f; + defstride = 10*f; + break; + case GL_T2F_V3F: + tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; + tcomps = 2; ccomps = 0; vcomps = 3; + voffset = 2*f; + defstride = 5*f; + break; + case GL_T4F_V4F: + tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; + tcomps = 4; ccomps = 0; vcomps = 4; + voffset = 4*f; + defstride = 8*f; + break; + case GL_T2F_C4UB_V3F: + tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; + tcomps = 2; ccomps = 4; vcomps = 3; + ctype = GL_UNSIGNED_BYTE; + coffset = 2*f; + voffset = c+2*f; + defstride = c+5*f; + break; + case GL_T2F_C3F_V3F: + tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; + tcomps = 2; ccomps = 3; vcomps = 3; + ctype = GL_FLOAT; + coffset = 2*f; + voffset = 5*f; + defstride = 8*f; + break; + case GL_T2F_N3F_V3F: + tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE; + tcomps = 2; ccomps = 0; vcomps = 3; + noffset = 2*f; + voffset = 5*f; + defstride = 8*f; + break; + case GL_T2F_C4F_N3F_V3F: + tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; + tcomps = 2; ccomps = 4; vcomps = 3; + ctype = GL_FLOAT; + coffset = 2*f; + noffset = 6*f; + voffset = 9*f; + defstride = 12*f; + break; + case GL_T4F_C4F_N3F_V4F: + tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; + tcomps = 4; ccomps = 4; vcomps = 4; + ctype = GL_FLOAT; + coffset = 4*f; + noffset = 8*f; + voffset = 11*f; + defstride = 15*f; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" ); + return; + } + + if (stride==0) { + stride = defstride; + } + + _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY ); + _mesa_DisableClientState( GL_INDEX_ARRAY ); + + /* Texcoords */ + if (tflag) { + _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY ); + _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride, + (GLubyte *) pointer + toffset ); + } + else { + _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY ); + } + + /* Color */ + if (cflag) { + _mesa_EnableClientState( GL_COLOR_ARRAY ); + _mesa_ColorPointer( ccomps, ctype, stride, + (GLubyte *) pointer + coffset ); + } + else { + _mesa_DisableClientState( GL_COLOR_ARRAY ); + } + + + /* Normals */ + if (nflag) { + _mesa_EnableClientState( GL_NORMAL_ARRAY ); + _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset ); + } + else { + _mesa_DisableClientState( GL_NORMAL_ARRAY ); + } + + /* Vertices */ + _mesa_EnableClientState( GL_VERTEX_ARRAY ); + _mesa_VertexPointer( vcomps, GL_FLOAT, stride, + (GLubyte *) pointer + voffset ); +} + + +void GLAPIENTRY +_mesa_LockArraysEXT(GLint first, GLsizei count) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glLockArrays %d %d\n", first, count); + + if (first == 0 && count > 0 && + count <= (GLint) ctx->Const.MaxArrayLockSize) { + ctx->Array.LockFirst = first; + ctx->Array.LockCount = count; + } + else { + ctx->Array.LockFirst = 0; + ctx->Array.LockCount = 0; + } + + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + + if (ctx->Driver.LockArraysEXT) + ctx->Driver.LockArraysEXT( ctx, first, count ); +} + + +void GLAPIENTRY +_mesa_UnlockArraysEXT( void ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glUnlockArrays\n"); + + ctx->Array.LockFirst = 0; + ctx->Array.LockCount = 0; + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + + if (ctx->Driver.UnlockArraysEXT) + ctx->Driver.UnlockArraysEXT( ctx ); +} + + +/* GL_EXT_multi_draw_arrays */ +/* Somebody forgot to spec the first and count parameters as const! <sigh> */ +void GLAPIENTRY +_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first, + GLsizei *count, GLsizei primcount ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + for (i = 0; i < primcount; i++) { + if (count[i] > 0) { + (ctx->Exec->DrawArrays)(mode, first[i], count[i]); + } + } +} + + +/* GL_EXT_multi_draw_arrays */ +void GLAPIENTRY +_mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type, + const GLvoid **indices, GLsizei primcount ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + for (i = 0; i < primcount; i++) { + if (count[i] > 0) { + (ctx->Exec->DrawElements)(mode, count[i], type, indices[i]); + } + } +} + + +/* GL_IBM_multimode_draw_arrays */ +void GLAPIENTRY +_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first, + const GLsizei * count, + GLsizei primcount, GLint modestride ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + for ( i = 0 ; i < primcount ; i++ ) { + if ( count[i] > 0 ) { + GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); + (ctx->Exec->DrawArrays)( m, first[i], count[i] ); + } + } +} + + +/* GL_IBM_multimode_draw_arrays */ +void GLAPIENTRY +_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count, + GLenum type, const GLvoid * const * indices, + GLsizei primcount, GLint modestride ) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + /* XXX not sure about ARB_vertex_buffer_object handling here */ + + for ( i = 0 ; i < primcount ; i++ ) { + if ( count[i] > 0 ) { + GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); + (ctx->Exec->DrawElements)( m, count[i], type, indices[i] ); + } + } +} + + +/**********************************************************************/ +/***** Initialization *****/ +/**********************************************************************/ + +void +_mesa_init_varray( GLcontext * ctx ) +{ + GLuint i; + + /* Vertex arrays */ + ctx->Array.Vertex.Size = 4; + ctx->Array.Vertex.Type = GL_FLOAT; + ctx->Array.Vertex.Stride = 0; + ctx->Array.Vertex.StrideB = 0; + ctx->Array.Vertex.Ptr = NULL; + ctx->Array.Vertex.Enabled = GL_FALSE; + ctx->Array.Vertex.Flags = CA_CLIENT_DATA; + ctx->Array.Normal.Type = GL_FLOAT; + ctx->Array.Normal.Stride = 0; + ctx->Array.Normal.StrideB = 0; + ctx->Array.Normal.Ptr = NULL; + ctx->Array.Normal.Enabled = GL_FALSE; + ctx->Array.Normal.Flags = CA_CLIENT_DATA; + ctx->Array.Color.Size = 4; + ctx->Array.Color.Type = GL_FLOAT; + ctx->Array.Color.Stride = 0; + ctx->Array.Color.StrideB = 0; + ctx->Array.Color.Ptr = NULL; + ctx->Array.Color.Enabled = GL_FALSE; + ctx->Array.Color.Flags = CA_CLIENT_DATA; + ctx->Array.SecondaryColor.Size = 4; + ctx->Array.SecondaryColor.Type = GL_FLOAT; + ctx->Array.SecondaryColor.Stride = 0; + ctx->Array.SecondaryColor.StrideB = 0; + ctx->Array.SecondaryColor.Ptr = NULL; + ctx->Array.SecondaryColor.Enabled = GL_FALSE; + ctx->Array.SecondaryColor.Flags = CA_CLIENT_DATA; + ctx->Array.FogCoord.Size = 1; + ctx->Array.FogCoord.Type = GL_FLOAT; + ctx->Array.FogCoord.Stride = 0; + ctx->Array.FogCoord.StrideB = 0; + ctx->Array.FogCoord.Ptr = NULL; + ctx->Array.FogCoord.Enabled = GL_FALSE; + ctx->Array.FogCoord.Flags = CA_CLIENT_DATA; + ctx->Array.Index.Type = GL_FLOAT; + ctx->Array.Index.Stride = 0; + ctx->Array.Index.StrideB = 0; + ctx->Array.Index.Ptr = NULL; + ctx->Array.Index.Enabled = GL_FALSE; + ctx->Array.Index.Flags = CA_CLIENT_DATA; + for (i = 0; i < MAX_TEXTURE_UNITS; i++) { + ctx->Array.TexCoord[i].Size = 4; + ctx->Array.TexCoord[i].Type = GL_FLOAT; + ctx->Array.TexCoord[i].Stride = 0; + ctx->Array.TexCoord[i].StrideB = 0; + ctx->Array.TexCoord[i].Ptr = NULL; + ctx->Array.TexCoord[i].Enabled = GL_FALSE; + ctx->Array.TexCoord[i].Flags = CA_CLIENT_DATA; + } + ctx->Array.EdgeFlag.Stride = 0; + ctx->Array.EdgeFlag.StrideB = 0; + ctx->Array.EdgeFlag.Ptr = NULL; + ctx->Array.EdgeFlag.Enabled = GL_FALSE; + ctx->Array.EdgeFlag.Flags = CA_CLIENT_DATA; + ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */ + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + ctx->Array.VertexAttrib[i].Size = 4; + ctx->Array.VertexAttrib[i].Type = GL_FLOAT; + ctx->Array.VertexAttrib[i].Stride = 0; + ctx->Array.VertexAttrib[i].StrideB = 0; + ctx->Array.VertexAttrib[i].Ptr = NULL; + ctx->Array.VertexAttrib[i].Enabled = GL_FALSE; + ctx->Array.VertexAttrib[i].Flags = CA_CLIENT_DATA; + } +} diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h new file mode 100644 index 0000000..3589735 --- /dev/null +++ b/src/mesa/main/varray.h @@ -0,0 +1,160 @@ +/** + * \file varray.h + * Vertex arrays. + * + * \if subset + * (No-op) + * + * \endif + */ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef VARRAY_H +#define VARRAY_H + + +#include "mtypes.h" + +#if _HAVE_FULL_GL + +extern void GLAPIENTRY +_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr); + +extern void GLAPIENTRY +_mesa_UnlockArraysEXT( void ); + +extern void GLAPIENTRY +_mesa_LockArraysEXT(GLint first, GLsizei count); + + +extern void GLAPIENTRY +_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, + const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, + GLsizei count, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr); + + +extern void GLAPIENTRY +_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr); + + +extern void GLAPIENTRY +_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, + GLsizei stride, const GLvoid *pointer); + + +extern void GLAPIENTRY +_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, + GLboolean normalized, GLsizei stride, + const GLvoid *pointer); + + +extern void GLAPIENTRY +_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer); + + +extern void GLAPIENTRY +_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first, + GLsizei *count, GLsizei primcount ); + +extern void GLAPIENTRY +_mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type, + const GLvoid **indices, GLsizei primcount ); + + +extern void GLAPIENTRY +_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first, + const GLsizei * count, + GLsizei primcount, GLint modestride ); + + +extern void GLAPIENTRY +_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count, + GLenum type, const GLvoid * const * indices, + GLsizei primcount, GLint modestride ); + + +extern void +_mesa_init_varray( GLcontext * ctx ); + +#else + +/** No-op */ +#define _mesa_init_varray( c ) ((void)0) + +#endif + +#endif diff --git a/src/mesa/main/version.h b/src/mesa/main/version.h new file mode 100644 index 0000000..55e68a5 --- /dev/null +++ b/src/mesa/main/version.h @@ -0,0 +1,52 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef VERSION_H +#define VERSION_H + + +/* Mesa version */ +#define MESA_MAJOR 6 +#define MESA_MINOR 2 +#define MESA_PATCH 2 +#define MESA_VERSION_STRING "6.2.2" + +/* To make version comparison easy */ +#define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#define MESA_VERSION_CODE MESA_VERSION(MESA_MAJOR, MESA_MINOR, MESA_PATCH) + + +/* OpenGL API version */ +#define OPENGL_MAJOR 1 +#define OPENGL_MINOR 5 +#define OPENGL_PATCH 0 +#define OPENGL_VERSION_STRING "1.5" + +/* To make version comparison easy */ +#define OPENGL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#define OPENGL_VERSION_CODE OPENGL_VERSION(OPENGL_MAJOR, OPENGL_MINOR, OPENGL_PATCH) + + +#endif /* VERSION_H */ diff --git a/src/mesa/main/vsnprintf.c b/src/mesa/main/vsnprintf.c new file mode 100644 index 0000000..ab6c740 --- /dev/null +++ b/src/mesa/main/vsnprintf.c @@ -0,0 +1,165 @@ +/* + * Revision 12: http://theos.com/~deraadt/snprintf.c + * + * Copyright (c) 1997 Theo de Raadt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __VMS +# include <sys/param.h> +#endif +#include <sys/types.h> +#include <sys/mman.h> +#include <signal.h> +#include <stdio.h> +#if __STDC__ +#include <stdarg.h> +#include <stdlib.h> +#else +#include <varargs.h> +#endif +#include <setjmp.h> +#include <unistd.h> +#include <string.h> + +#ifndef roundup +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#endif + +#ifdef __sgi +#define size_t ssize_t +#endif + +static int pgsize; +static char *curobj; +static int caught; +static sigjmp_buf bail; + +#define EXTRABYTES 2 /* XXX: why 2? you don't want to know */ + +static char * +msetup(str, n) + char *str; + size_t n; +{ + char *e; + + if (n == 0) + return NULL; + if (pgsize == 0) + pgsize = getpagesize(); + curobj = (char *)malloc(n + EXTRABYTES + pgsize * 2); + if (curobj == NULL) + return NULL; + e = curobj + n + EXTRABYTES; + e = (char *)roundup((unsigned long)e, pgsize); + if (mprotect(e, pgsize, PROT_NONE) == -1) { + free(curobj); + curobj = NULL; + return NULL; + } + e = e - n - EXTRABYTES; + *e = '\0'; + return (e); +} + +static void + mcatch( int a ) +{ + siglongjmp(bail, 1); +} + +static void +mcleanup(str, n, p) + char *str; + size_t n; + char *p; +{ + strncpy(str, p, n-1); + str[n-1] = '\0'; + if (mprotect((caddr_t)(p + n + EXTRABYTES), pgsize, + PROT_READ|PROT_WRITE|PROT_EXEC) == -1) + mprotect((caddr_t)(p + n + EXTRABYTES), pgsize, + PROT_READ|PROT_WRITE); + free(curobj); +} + +int +#if __STDC__ +vsnprintf(char *str, size_t n, char const *fmt, va_list ap) +#else +vsnprintf(str, n, fmt, ap) + char *str; + size_t n; + char *fmt; + char *ap; +#endif +{ + struct sigaction osa, nsa; + char *p; + int ret = n + 1; /* if we bail, indicated we overflowed */ + + memset(&nsa, 0, sizeof nsa); + nsa.sa_handler = mcatch; + sigemptyset(&nsa.sa_mask); + + p = msetup(str, n); + if (p == NULL) { + *str = '\0'; + return 0; + } + if (sigsetjmp(bail, 1) == 0) { + if (sigaction(SIGSEGV, &nsa, &osa) == -1) { + mcleanup(str, n, p); + return (0); + } + ret = vsprintf(p, fmt, ap); + } + mcleanup(str, n, p); + (void) sigaction(SIGSEGV, &osa, NULL); + return (ret); +} + +int +#if __STDC__ +snprintf(char *str, size_t n, char const *fmt, ...) +#else +snprintf(str, n, fmt, va_alist) + char *str; + size_t n; + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + + return (vsnprintf(str, n, fmt, ap)); + va_end(ap); +} + + + diff --git a/src/mesa/main/vtxfmt.c b/src/mesa/main/vtxfmt.c new file mode 100644 index 0000000..97b75da --- /dev/null +++ b/src/mesa/main/vtxfmt.c @@ -0,0 +1,176 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Gareth Hughes + */ + +#include "glheader.h" +#include "api_loopback.h" +#include "context.h" +#include "imports.h" +#include "mtypes.h" +#include "state.h" +#include "vtxfmt.h" + + +/* The neutral vertex format. This wraps all tnl module functions, + * verifying that the currently-installed module is valid and then + * installing the function pointers in a lazy fashion. It records the + * function pointers that have been swapped out, which allows a fast + * restoration of the neutral module in almost all cases -- a typical + * app might only require 4-6 functions to be modified from the neutral + * baseline, and only restoring these is certainly preferable to doing + * the entire module's 60 or so function pointers. + */ + +#define PRE_LOOPBACK( FUNC ) \ +{ \ + GET_CURRENT_CONTEXT(ctx); \ + struct gl_tnl_module *tnl = &(ctx->TnlModule); \ + typedef void (*func_ptr_t)(void); \ + \ + ASSERT( tnl->Current ); \ + ASSERT( tnl->SwapCount < NUM_VERTEX_FORMAT_ENTRIES ); \ + \ + /* Save the swapped function's dispatch entry so it can be */ \ + /* restored later. */ \ + tnl->Swapped[tnl->SwapCount][0] = (void *)&(ctx->Exec->FUNC); \ + *(func_ptr_t *)(tnl->Swapped[tnl->SwapCount]+1) = (func_ptr_t)TAG(FUNC); \ + tnl->SwapCount++; \ + \ + if ( 0 ) \ + _mesa_debug(ctx, " swapping gl" #FUNC"...\n" ); \ + \ + /* Install the tnl function pointer. */ \ + ctx->Exec->FUNC = tnl->Current->FUNC; \ +} + +#define TAG(x) neutral_##x +#include "vtxfmt_tmp.h" + + + +static void +install_vtxfmt( struct _glapi_table *tab, const GLvertexformat *vfmt ) +{ + tab->ArrayElement = vfmt->ArrayElement; + tab->Color3f = vfmt->Color3f; + tab->Color3fv = vfmt->Color3fv; + tab->Color4f = vfmt->Color4f; + tab->Color4fv = vfmt->Color4fv; + tab->EdgeFlag = vfmt->EdgeFlag; + tab->EdgeFlagv = vfmt->EdgeFlagv; + tab->EvalCoord1f = vfmt->EvalCoord1f; + tab->EvalCoord1fv = vfmt->EvalCoord1fv; + tab->EvalCoord2f = vfmt->EvalCoord2f; + tab->EvalCoord2fv = vfmt->EvalCoord2fv; + tab->EvalPoint1 = vfmt->EvalPoint1; + tab->EvalPoint2 = vfmt->EvalPoint2; + tab->FogCoordfEXT = vfmt->FogCoordfEXT; + tab->FogCoordfvEXT = vfmt->FogCoordfvEXT; + tab->Indexf = vfmt->Indexf; + tab->Indexfv = vfmt->Indexfv; + tab->Materialfv = vfmt->Materialfv; + tab->MultiTexCoord1fARB = vfmt->MultiTexCoord1fARB; + tab->MultiTexCoord1fvARB = vfmt->MultiTexCoord1fvARB; + tab->MultiTexCoord2fARB = vfmt->MultiTexCoord2fARB; + tab->MultiTexCoord2fvARB = vfmt->MultiTexCoord2fvARB; + tab->MultiTexCoord3fARB = vfmt->MultiTexCoord3fARB; + tab->MultiTexCoord3fvARB = vfmt->MultiTexCoord3fvARB; + tab->MultiTexCoord4fARB = vfmt->MultiTexCoord4fARB; + tab->MultiTexCoord4fvARB = vfmt->MultiTexCoord4fvARB; + tab->Normal3f = vfmt->Normal3f; + tab->Normal3fv = vfmt->Normal3fv; + tab->SecondaryColor3fEXT = vfmt->SecondaryColor3fEXT; + tab->SecondaryColor3fvEXT = vfmt->SecondaryColor3fvEXT; + tab->TexCoord1f = vfmt->TexCoord1f; + tab->TexCoord1fv = vfmt->TexCoord1fv; + tab->TexCoord2f = vfmt->TexCoord2f; + tab->TexCoord2fv = vfmt->TexCoord2fv; + tab->TexCoord3f = vfmt->TexCoord3f; + tab->TexCoord3fv = vfmt->TexCoord3fv; + tab->TexCoord4f = vfmt->TexCoord4f; + tab->TexCoord4fv = vfmt->TexCoord4fv; + tab->Vertex2f = vfmt->Vertex2f; + tab->Vertex2fv = vfmt->Vertex2fv; + tab->Vertex3f = vfmt->Vertex3f; + tab->Vertex3fv = vfmt->Vertex3fv; + tab->Vertex4f = vfmt->Vertex4f; + tab->Vertex4fv = vfmt->Vertex4fv; + tab->CallList = vfmt->CallList; + tab->CallLists = vfmt->CallLists; + tab->Begin = vfmt->Begin; + tab->End = vfmt->End; + tab->VertexAttrib1fNV = vfmt->VertexAttrib1fNV; + tab->VertexAttrib1fvNV = vfmt->VertexAttrib1fvNV; + tab->VertexAttrib2fNV = vfmt->VertexAttrib2fNV; + tab->VertexAttrib2fvNV = vfmt->VertexAttrib2fvNV; + tab->VertexAttrib3fNV = vfmt->VertexAttrib3fNV; + tab->VertexAttrib3fvNV = vfmt->VertexAttrib3fvNV; + tab->VertexAttrib4fNV = vfmt->VertexAttrib4fNV; + tab->VertexAttrib4fvNV = vfmt->VertexAttrib4fvNV; + tab->Rectf = vfmt->Rectf; + tab->DrawArrays = vfmt->DrawArrays; + tab->DrawElements = vfmt->DrawElements; + tab->DrawRangeElements = vfmt->DrawRangeElements; + tab->EvalMesh1 = vfmt->EvalMesh1; + tab->EvalMesh2 = vfmt->EvalMesh2; + ASSERT(tab->EvalMesh2); +} + + +void _mesa_init_exec_vtxfmt( GLcontext *ctx ) +{ + install_vtxfmt( ctx->Exec, &neutral_vtxfmt ); + ctx->TnlModule.SwapCount = 0; +} + + +void _mesa_install_exec_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ) +{ + ctx->TnlModule.Current = vfmt; + _mesa_restore_exec_vtxfmt( ctx ); +} + + +void _mesa_install_save_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ) +{ + install_vtxfmt( ctx->Save, vfmt ); +} + + +void _mesa_restore_exec_vtxfmt( GLcontext *ctx ) +{ + struct gl_tnl_module *tnl = &(ctx->TnlModule); + GLuint i; + + /* Restore the neutral tnl module wrapper. + */ + for ( i = 0 ; i < tnl->SwapCount ; i++ ) { + *(void **)tnl->Swapped[i][0] = tnl->Swapped[i][1]; + } + + tnl->SwapCount = 0; +} diff --git a/src/mesa/main/vtxfmt.h b/src/mesa/main/vtxfmt.h new file mode 100644 index 0000000..76f108e --- /dev/null +++ b/src/mesa/main/vtxfmt.h @@ -0,0 +1,43 @@ +/** + * \file vtxfmt.h + * + * \author Keith Whitwell <keith@tungstengraphics.com> + * \author Gareth Hughes + */ + +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _VTXFMT_H_ +#define _VTXFMT_H_ + +extern void _mesa_init_exec_vtxfmt( GLcontext *ctx ); + +extern void _mesa_install_exec_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ); +extern void _mesa_install_save_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ); + +extern void _mesa_restore_exec_vtxfmt( GLcontext *ctx ); + +#endif diff --git a/src/mesa/main/vtxfmt_tmp.h b/src/mesa/main/vtxfmt_tmp.h new file mode 100644 index 0000000..22a4b35 --- /dev/null +++ b/src/mesa/main/vtxfmt_tmp.h @@ -0,0 +1,478 @@ + +/* + * Mesa 3-D graphics library + * Version: 4.1 + * + * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes + */ + +#ifndef PRE_LOOPBACK +#define PRE_LOOPBACK( FUNC ) +#endif + +static void GLAPIENTRY TAG(ArrayElement)( GLint i ) +{ + PRE_LOOPBACK( ArrayElement ); + GL_CALL(ArrayElement)( i ); +} + +static void GLAPIENTRY TAG(Color3f)( GLfloat r, GLfloat g, GLfloat b ) +{ + PRE_LOOPBACK( Color3f ); + GL_CALL(Color3f)( r, g, b ); +} + +static void GLAPIENTRY TAG(Color3fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Color3fv ); + GL_CALL(Color3fv)( v ); +} + +static void GLAPIENTRY TAG(Color4f)( GLfloat r, GLfloat g, GLfloat b, GLfloat a ) +{ + PRE_LOOPBACK( Color4f ); + GL_CALL(Color4f)( r, g, b, a ); +} + +static void GLAPIENTRY TAG(Color4fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Color4fv ); + GL_CALL(Color4fv)( v ); +} + +static void GLAPIENTRY TAG(EdgeFlag)( GLboolean e ) +{ + PRE_LOOPBACK( EdgeFlag ); + GL_CALL(EdgeFlag)( e ); +} + +static void GLAPIENTRY TAG(EdgeFlagv)( const GLboolean *v ) +{ + PRE_LOOPBACK( EdgeFlagv ); + GL_CALL(EdgeFlagv)( v ); +} + +static void GLAPIENTRY TAG(EvalCoord1f)( GLfloat s ) +{ + PRE_LOOPBACK( EvalCoord1f ); + GL_CALL(EvalCoord1f)( s ); +} + +static void GLAPIENTRY TAG(EvalCoord1fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( EvalCoord1fv ); + GL_CALL(EvalCoord1fv)( v ); +} + +static void GLAPIENTRY TAG(EvalCoord2f)( GLfloat s, GLfloat t ) +{ + PRE_LOOPBACK( EvalCoord2f ); + GL_CALL(EvalCoord2f)( s, t ); +} + +static void GLAPIENTRY TAG(EvalCoord2fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( EvalCoord2fv ); + GL_CALL(EvalCoord2fv)( v ); +} + +static void GLAPIENTRY TAG(EvalPoint1)( GLint i ) +{ + PRE_LOOPBACK( EvalPoint1 ); + GL_CALL(EvalPoint1)( i ); +} + +static void GLAPIENTRY TAG(EvalPoint2)( GLint i, GLint j ) +{ + PRE_LOOPBACK( EvalPoint2 ); + GL_CALL(EvalPoint2)( i, j ); +} + +static void GLAPIENTRY TAG(FogCoordfEXT)( GLfloat f ) +{ + PRE_LOOPBACK( FogCoordfEXT ); + GL_CALL(FogCoordfEXT)( f ); +} + +static void GLAPIENTRY TAG(FogCoordfvEXT)( const GLfloat *v ) +{ + PRE_LOOPBACK( FogCoordfvEXT ); + GL_CALL(FogCoordfvEXT)( v ); +} + +static void GLAPIENTRY TAG(Indexf)( GLfloat f ) +{ + PRE_LOOPBACK( Indexf ); + GL_CALL(Indexf)( f ); +} + +static void GLAPIENTRY TAG(Indexfv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Indexfv ); + GL_CALL(Indexfv)( v ); +} + +static void GLAPIENTRY TAG(Materialfv)( GLenum face, GLenum pname, const GLfloat *v ) +{ + PRE_LOOPBACK( Materialfv ); + GL_CALL(Materialfv)( face, pname, v ); +} + +static void GLAPIENTRY TAG(MultiTexCoord1fARB)( GLenum target, GLfloat a ) +{ + PRE_LOOPBACK( MultiTexCoord1fARB ); + GL_CALL(MultiTexCoord1fARB)( target, a ); +} + +static void GLAPIENTRY TAG(MultiTexCoord1fvARB)( GLenum target, const GLfloat *tc ) +{ + PRE_LOOPBACK( MultiTexCoord1fvARB ); + GL_CALL(MultiTexCoord1fvARB)( target, tc ); +} + +static void GLAPIENTRY TAG(MultiTexCoord2fARB)( GLenum target, GLfloat s, GLfloat t ) +{ + PRE_LOOPBACK( MultiTexCoord2fARB ); + GL_CALL(MultiTexCoord2fARB)( target, s, t ); +} + +static void GLAPIENTRY TAG(MultiTexCoord2fvARB)( GLenum target, const GLfloat *tc ) +{ + PRE_LOOPBACK( MultiTexCoord2fvARB ); + GL_CALL(MultiTexCoord2fvARB)( target, tc ); +} + +static void GLAPIENTRY TAG(MultiTexCoord3fARB)( GLenum target, GLfloat s, + GLfloat t, GLfloat r ) +{ + PRE_LOOPBACK( MultiTexCoord3fARB ); + GL_CALL(MultiTexCoord3fARB)( target, s, t, r ); +} + +static void GLAPIENTRY TAG(MultiTexCoord3fvARB)( GLenum target, const GLfloat *tc ) +{ + PRE_LOOPBACK( MultiTexCoord3fvARB ); + GL_CALL(MultiTexCoord3fvARB)( target, tc ); +} + +static void GLAPIENTRY TAG(MultiTexCoord4fARB)( GLenum target, GLfloat s, + GLfloat t, GLfloat r, GLfloat q ) +{ + PRE_LOOPBACK( MultiTexCoord4fARB ); + GL_CALL(MultiTexCoord4fARB)( target, s, t, r, q ); +} + +static void GLAPIENTRY TAG(MultiTexCoord4fvARB)( GLenum target, const GLfloat *tc ) +{ + PRE_LOOPBACK( MultiTexCoord4fvARB ); + GL_CALL(MultiTexCoord4fvARB)( target, tc ); +} + +static void GLAPIENTRY TAG(Normal3f)( GLfloat x, GLfloat y, GLfloat z ) +{ + PRE_LOOPBACK( Normal3f ); + GL_CALL(Normal3f)( x, y, z ); +} + +static void GLAPIENTRY TAG(Normal3fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Normal3fv ); + GL_CALL(Normal3fv)( v ); +} + +static void GLAPIENTRY TAG(SecondaryColor3fEXT)( GLfloat r, GLfloat g, GLfloat b ) +{ + PRE_LOOPBACK( SecondaryColor3fEXT ); + GL_CALL(SecondaryColor3fEXT)( r, g, b ); +} + +static void GLAPIENTRY TAG(SecondaryColor3fvEXT)( const GLfloat *v ) +{ + PRE_LOOPBACK( SecondaryColor3fvEXT ); + GL_CALL(SecondaryColor3fvEXT)( v ); +} + +static void GLAPIENTRY TAG(TexCoord1f)( GLfloat s ) +{ + PRE_LOOPBACK( TexCoord1f ); + GL_CALL(TexCoord1f)( s ); +} + +static void GLAPIENTRY TAG(TexCoord1fv)( const GLfloat *tc ) +{ + PRE_LOOPBACK( TexCoord1fv ); + GL_CALL(TexCoord1fv)( tc ); +} + +static void GLAPIENTRY TAG(TexCoord2f)( GLfloat s, GLfloat t ) +{ + PRE_LOOPBACK( TexCoord2f ); + GL_CALL(TexCoord2f)( s, t ); +} + +static void GLAPIENTRY TAG(TexCoord2fv)( const GLfloat *tc ) +{ + PRE_LOOPBACK( TexCoord2fv ); + GL_CALL(TexCoord2fv)( tc ); +} + +static void GLAPIENTRY TAG(TexCoord3f)( GLfloat s, GLfloat t, GLfloat r ) +{ + PRE_LOOPBACK( TexCoord3f ); + GL_CALL(TexCoord3f)( s, t, r ); +} + +static void GLAPIENTRY TAG(TexCoord3fv)( const GLfloat *tc ) +{ + PRE_LOOPBACK( TexCoord3fv ); + GL_CALL(TexCoord3fv)( tc ); +} + +static void GLAPIENTRY TAG(TexCoord4f)( GLfloat s, GLfloat t, GLfloat r, GLfloat q ) +{ + PRE_LOOPBACK( TexCoord4f ); + GL_CALL(TexCoord4f)( s, t, r, q ); +} + +static void GLAPIENTRY TAG(TexCoord4fv)( const GLfloat *tc ) +{ + PRE_LOOPBACK( TexCoord4fv ); + GL_CALL(TexCoord4fv)( tc ); +} + +static void GLAPIENTRY TAG(Vertex2f)( GLfloat x, GLfloat y ) +{ + PRE_LOOPBACK( Vertex2f ); + GL_CALL(Vertex2f)( x, y ); +} + +static void GLAPIENTRY TAG(Vertex2fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Vertex2fv ); + GL_CALL(Vertex2fv)( v ); +} + +static void GLAPIENTRY TAG(Vertex3f)( GLfloat x, GLfloat y, GLfloat z ) +{ + PRE_LOOPBACK( Vertex3f ); + GL_CALL(Vertex3f)( x, y, z ); +} + +static void GLAPIENTRY TAG(Vertex3fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Vertex3fv ); + GL_CALL(Vertex3fv)( v ); +} + +static void GLAPIENTRY TAG(Vertex4f)( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + PRE_LOOPBACK( Vertex4f ); + GL_CALL(Vertex4f)( x, y, z, w ); +} + +static void GLAPIENTRY TAG(Vertex4fv)( const GLfloat *v ) +{ + PRE_LOOPBACK( Vertex4fv ); + GL_CALL(Vertex4fv)( v ); +} + +static void GLAPIENTRY TAG(CallList)( GLuint i ) +{ + PRE_LOOPBACK( CallList ); + GL_CALL(CallList)( i ); +} + +static void GLAPIENTRY TAG(CallLists)( GLsizei sz, GLenum type, const GLvoid *v ) +{ + PRE_LOOPBACK( CallLists ); + GL_CALL(CallLists)( sz, type, v ); +} + +static void GLAPIENTRY TAG(Begin)( GLenum mode ) +{ + PRE_LOOPBACK( Begin ); + GL_CALL(Begin)( mode ); +} + +static void GLAPIENTRY TAG(End)( void ) +{ + PRE_LOOPBACK( End ); + GL_CALL(End)(); +} + +static void GLAPIENTRY TAG(Rectf)( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 ) +{ + PRE_LOOPBACK( Rectf ); + GL_CALL(Rectf)( x1, y1, x2, y2 ); +} + +static void GLAPIENTRY TAG(DrawArrays)( GLenum mode, GLint start, GLsizei count ) +{ + PRE_LOOPBACK( DrawArrays ); + GL_CALL(DrawArrays)( mode, start, count ); +} + +static void GLAPIENTRY TAG(DrawElements)( GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices ) +{ + PRE_LOOPBACK( DrawElements ); + GL_CALL(DrawElements)( mode, count, type, indices ); +} + +static void GLAPIENTRY TAG(DrawRangeElements)( GLenum mode, GLuint start, + GLuint end, GLsizei count, + GLenum type, const GLvoid *indices ) +{ + PRE_LOOPBACK( DrawRangeElements ); + GL_CALL(DrawRangeElements)( mode, start, end, count, type, indices ); +} + +static void GLAPIENTRY TAG(EvalMesh1)( GLenum mode, GLint i1, GLint i2 ) +{ + PRE_LOOPBACK( EvalMesh1 ); + GL_CALL(EvalMesh1)( mode, i1, i2 ); +} + +static void GLAPIENTRY TAG(EvalMesh2)( GLenum mode, GLint i1, GLint i2, + GLint j1, GLint j2 ) +{ + PRE_LOOPBACK( EvalMesh2 ); + GL_CALL(EvalMesh2)( mode, i1, i2, j1, j2 ); +} + +static void GLAPIENTRY TAG(VertexAttrib1fNV)( GLuint index, GLfloat x ) +{ + PRE_LOOPBACK( VertexAttrib1fNV ); + GL_CALL(VertexAttrib1fNV)( index, x ); +} + +static void GLAPIENTRY TAG(VertexAttrib1fvNV)( GLuint index, const GLfloat *v ) +{ + PRE_LOOPBACK( VertexAttrib1fvNV ); + GL_CALL(VertexAttrib1fvNV)( index, v ); +} + +static void GLAPIENTRY TAG(VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y ) +{ + PRE_LOOPBACK( VertexAttrib2fNV ); + GL_CALL(VertexAttrib2fNV)( index, x, y ); +} + +static void GLAPIENTRY TAG(VertexAttrib2fvNV)( GLuint index, const GLfloat *v ) +{ + PRE_LOOPBACK( VertexAttrib2fvNV ); + GL_CALL(VertexAttrib2fvNV)( index, v ); +} + +static void GLAPIENTRY TAG(VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z ) +{ + PRE_LOOPBACK( VertexAttrib3fNV ); + GL_CALL(VertexAttrib3fNV)( index, x, y, z ); +} + +static void GLAPIENTRY TAG(VertexAttrib3fvNV)( GLuint index, const GLfloat *v ) +{ + PRE_LOOPBACK( VertexAttrib3fvNV ); + GL_CALL(VertexAttrib3fvNV)( index, v ); +} + +static void GLAPIENTRY TAG(VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +{ + PRE_LOOPBACK( VertexAttrib4fNV ); + GL_CALL(VertexAttrib4fNV)( index, x, y, z, w ); +} + +static void GLAPIENTRY TAG(VertexAttrib4fvNV)( GLuint index, const GLfloat *v ) +{ + PRE_LOOPBACK( VertexAttrib4fvNV ); + GL_CALL(VertexAttrib4fvNV)( index, v ); +} + + +static GLvertexformat TAG(vtxfmt) = { + TAG(ArrayElement), + TAG(Color3f), + TAG(Color3fv), + TAG(Color4f), + TAG(Color4fv), + TAG(EdgeFlag), + TAG(EdgeFlagv), + TAG(EvalCoord1f), + TAG(EvalCoord1fv), + TAG(EvalCoord2f), + TAG(EvalCoord2fv), + TAG(EvalPoint1), + TAG(EvalPoint2), + TAG(FogCoordfEXT), + TAG(FogCoordfvEXT), + TAG(Indexf), + TAG(Indexfv), + TAG(Materialfv), + TAG(MultiTexCoord1fARB), + TAG(MultiTexCoord1fvARB), + TAG(MultiTexCoord2fARB), + TAG(MultiTexCoord2fvARB), + TAG(MultiTexCoord3fARB), + TAG(MultiTexCoord3fvARB), + TAG(MultiTexCoord4fARB), + TAG(MultiTexCoord4fvARB), + TAG(Normal3f), + TAG(Normal3fv), + TAG(SecondaryColor3fEXT), + TAG(SecondaryColor3fvEXT), + TAG(TexCoord1f), + TAG(TexCoord1fv), + TAG(TexCoord2f), + TAG(TexCoord2fv), + TAG(TexCoord3f), + TAG(TexCoord3fv), + TAG(TexCoord4f), + TAG(TexCoord4fv), + TAG(Vertex2f), + TAG(Vertex2fv), + TAG(Vertex3f), + TAG(Vertex3fv), + TAG(Vertex4f), + TAG(Vertex4fv), + TAG(CallList), + TAG(CallLists), + TAG(Begin), + TAG(End), + TAG(VertexAttrib1fNV), + TAG(VertexAttrib1fvNV), + TAG(VertexAttrib2fNV), + TAG(VertexAttrib2fvNV), + TAG(VertexAttrib3fNV), + TAG(VertexAttrib3fvNV), + TAG(VertexAttrib4fNV), + TAG(VertexAttrib4fvNV), + TAG(Rectf), + TAG(DrawArrays), + TAG(DrawElements), + TAG(DrawRangeElements), + TAG(EvalMesh1), + TAG(EvalMesh2) +}; + +#undef TAG +#undef PRE_LOOPBACK |