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Diffstat (limited to 'src/mesa/main/glheader.h')
| -rw-r--r-- | src/mesa/main/glheader.h | 348 |
1 files changed, 348 insertions, 0 deletions
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 */ |