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Diffstat (limited to 'src/mesa/drivers/verite/vrdrv.h')
| -rw-r--r-- | src/mesa/drivers/verite/vrdrv.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/mesa/drivers/verite/vrdrv.h b/src/mesa/drivers/verite/vrdrv.h new file mode 100644 index 0000000..9762e95 --- /dev/null +++ b/src/mesa/drivers/verite/vrdrv.h @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2026 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Radoslaw Kujawa. + * + * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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. + */ + +/* + * Mesa driver for the Rendition Verite V2200 over librlgl + * (NetBSD /dev/verite3d) - "veritemesa". + */ + +#ifndef VRDRV_H +#define VRDRV_H + +#include "glheader.h" +#include "mtypes.h" + +#include "rlgl.h" + +#include "vrperf.h" + +typedef struct vrmesa_context { + GLcontext glctx; /* base class -- must be first */ + GLvisual glvis; + GLframebuffer glfb; + + struct rlgl rl; + + GLboolean hw_tris; /* state allows PE triangles */ + GLboolean engine_dirty; /* PE work queued, spans must fence */ + GLboolean span_front; /* swrast SetBuffer chose front */ + + /* hardware texture stage (vrtex.c) */ + struct vr_texture *textures; /* all driver texture data */ + GLuint lru_tick; + GLboolean tex_on; /* this render run is textured */ + GLfloat tex_w, tex_h; /* texel scales for u/v emit */ + GLfloat tex_off; /* 0.5 iff bilinear (GL footprint) */ + GLfloat tex_base_w, tex_base_h; /* level-0 dims (LOD) */ + + /* per-polygon mipmapping (vrtris picks a level per triangle) */ + struct vr_texture *tex_cur; /* validated binding */ + GLboolean tex_mip; /* MIN filter is a mipmap one */ + GLboolean tex_min_bilin; /* LINEAR_MIPMAP_* */ + GLboolean tex_mag_bilin; /* MagFilter == LINEAR */ + GLint cur_level; /* bound level (bind cache) */ + GLint cur_bilin; /* SrcFilter cache (-1 unset) */ + + /* hardware blend: source alpha rides PE FGColor bits 31:24 */ + GLboolean blend_alpha; /* hw blend factors read src alpha */ + GLboolean atest_alpha; /* alpha test needs composed ColorAlpha */ + GLuint fg_alpha; /* cached FGColor alpha (~0 = unset) */ + + /* swsetup's Render.Start, wrapped by vr_render_start */ + void (*ss_render_start)(GLcontext *); + /* swsetup's current tri/quad/line/point funcs (restored on fallback) */ + void (*ss_triangle)(GLcontext *, GLuint, GLuint, GLuint); + void (*ss_quad)(GLcontext *, GLuint, GLuint, GLuint, + GLuint); + void (*ss_line)(GLcontext *, GLuint, GLuint); + void (*ss_points)(GLcontext *, GLuint, GLuint); + + void *ss_prim_verts, *ss_prim_elts; + GLboolean use_strips; /* VRMESA_STRIPS: opt-in native tri-fans */ + GLboolean strips_ok; /* this run's state permits them */ + + void (*ss_build_vertices)(GLcontext *, GLuint, GLuint, + GLuint); + GLboolean use_fastbuild; /* VRMESA_NOFASTBUILD unset (default on) */ + GLboolean fastbuild_ok; /* this run's inputs are fast-pathable */ + GLboolean fb_tex, fb_fog; /* fast build emits texcoord0 / fog */ +} vrmesa_context; + +#define VRMESA_CONTEXT(ctx) ((vrmesa_context *)(ctx)) + +/* vrdd.c */ +extern void vrInitDDFuncs(struct dd_function_table *functions); +/* VRAM base of a GL_FRONT/GL_BACK color buffer (rl.fb[back] = draw) */ +extern uint32_t vr_fb_base(struct rlgl *rl, GLenum buffer); + +/* vrspan.c */ +extern void vrInitSpanFuncs(GLcontext *ctx); +extern void vrFence(vrmesa_context *vmesa); + +/* vrtex.c */ +struct vr_texture; +struct rlgl_tex; +extern void vrInitTexConsts(GLcontext *ctx); +extern void vrInitTexFuncs(struct dd_function_table *functions); +extern GLboolean vrTexHwOk(GLcontext *ctx); +extern GLboolean vrTexValidate(GLcontext *ctx); +extern struct rlgl_tex *vrTexLevel(struct vr_texture *t, GLint level); +extern GLint vrTexNumLevels(struct vr_texture *t); +extern void vrTexNewFrame(void); + +/* vrtris.c */ +extern void vrInitTriFuncs(GLcontext *ctx); +extern void vrCheckHwRender(GLcontext *ctx); +extern GLboolean vrBlendMap(const GLcontext *ctx, GLuint *srcf, + GLuint *dstf, GLboolean *needs_alpha); + +#endif /* VRDRV_H */ |