From 990bc3f015a4f8fce2eb918375defcd44980a845 Mon Sep 17 00:00:00 2001 From: marha <marha@users.sourceforge.net> Date: Fri, 8 Jun 2012 09:33:13 +0200 Subject: Used synchronise script to update files --- mesalib/src/mesa/tnl/t_pipeline.h | 146 ++-- mesalib/src/mesa/tnl/t_vb_fog.c | 552 +++++++-------- mesalib/src/mesa/tnl/t_vb_normals.c | 374 +++++----- mesalib/src/mesa/tnl/t_vb_points.c | 228 +++--- mesalib/src/mesa/tnl/t_vb_render.c | 696 +++++++++---------- mesalib/src/mesa/tnl/t_vb_rendertmp.h | 972 +++++++++++++------------- mesalib/src/mesa/tnl/t_vb_texgen.c | 1218 ++++++++++++++++----------------- mesalib/src/mesa/tnl/t_vb_texmat.c | 256 +++---- mesalib/src/mesa/tnl/t_vb_vertex.c | 566 +++++++-------- mesalib/src/mesa/tnl/t_vertex.h | 368 +++++----- mesalib/src/mesa/tnl/t_vp_build.c | 120 ++-- mesalib/src/mesa/tnl/t_vp_build.h | 84 +-- 12 files changed, 2790 insertions(+), 2790 deletions(-) (limited to 'mesalib/src/mesa/tnl') diff --git a/mesalib/src/mesa/tnl/t_pipeline.h b/mesalib/src/mesa/tnl/t_pipeline.h index 579207889..0eb03395c 100644 --- a/mesalib/src/mesa/tnl/t_pipeline.h +++ b/mesalib/src/mesa/tnl/t_pipeline.h @@ -1,73 +1,73 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.3 - * - * Copyright (C) 1999-2007 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> - */ - - - -#ifndef _T_PIPELINE_H_ -#define _T_PIPELINE_H_ - -#include "main/mtypes.h" -#include "t_context.h" - -extern void _tnl_run_pipeline( struct gl_context *ctx ); - -extern void _tnl_destroy_pipeline( struct gl_context *ctx ); - -extern void _tnl_install_pipeline( struct gl_context *ctx, - const struct tnl_pipeline_stage **stages ); - - -/* These are implemented in the t_vb_*.c files: - */ -extern const struct tnl_pipeline_stage _tnl_vertex_transform_stage; -extern const struct tnl_pipeline_stage _tnl_normal_transform_stage; -extern const struct tnl_pipeline_stage _tnl_lighting_stage; -extern const struct tnl_pipeline_stage _tnl_fog_coordinate_stage; -extern const struct tnl_pipeline_stage _tnl_texgen_stage; -extern const struct tnl_pipeline_stage _tnl_texture_transform_stage; -extern const struct tnl_pipeline_stage _tnl_point_attenuation_stage; -extern const struct tnl_pipeline_stage _tnl_vertex_program_stage; -extern const struct tnl_pipeline_stage _tnl_render_stage; - -/* Shorthand to plug in the default pipeline: - */ -extern const struct tnl_pipeline_stage *_tnl_default_pipeline[]; -extern const struct tnl_pipeline_stage *_tnl_vp_pipeline[]; - - -/* Convenience routines provided by t_vb_render.c: - */ -extern tnl_render_func _tnl_render_tab_elts[]; -extern tnl_render_func _tnl_render_tab_verts[]; - -extern void _tnl_RenderClippedPolygon( struct gl_context *ctx, - const GLuint *elts, GLuint n ); - -extern void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj ); - - -#endif +/* + * Mesa 3-D graphics library + * Version: 6.5.3 + * + * Copyright (C) 1999-2007 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> + */ + + + +#ifndef _T_PIPELINE_H_ +#define _T_PIPELINE_H_ + +#include "main/mtypes.h" +#include "t_context.h" + +extern void _tnl_run_pipeline( struct gl_context *ctx ); + +extern void _tnl_destroy_pipeline( struct gl_context *ctx ); + +extern void _tnl_install_pipeline( struct gl_context *ctx, + const struct tnl_pipeline_stage **stages ); + + +/* These are implemented in the t_vb_*.c files: + */ +extern const struct tnl_pipeline_stage _tnl_vertex_transform_stage; +extern const struct tnl_pipeline_stage _tnl_normal_transform_stage; +extern const struct tnl_pipeline_stage _tnl_lighting_stage; +extern const struct tnl_pipeline_stage _tnl_fog_coordinate_stage; +extern const struct tnl_pipeline_stage _tnl_texgen_stage; +extern const struct tnl_pipeline_stage _tnl_texture_transform_stage; +extern const struct tnl_pipeline_stage _tnl_point_attenuation_stage; +extern const struct tnl_pipeline_stage _tnl_vertex_program_stage; +extern const struct tnl_pipeline_stage _tnl_render_stage; + +/* Shorthand to plug in the default pipeline: + */ +extern const struct tnl_pipeline_stage *_tnl_default_pipeline[]; +extern const struct tnl_pipeline_stage *_tnl_vp_pipeline[]; + + +/* Convenience routines provided by t_vb_render.c: + */ +extern tnl_render_func _tnl_render_tab_elts[]; +extern tnl_render_func _tnl_render_tab_verts[]; + +extern void _tnl_RenderClippedPolygon( struct gl_context *ctx, + const GLuint *elts, GLuint n ); + +extern void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj ); + + +#endif diff --git a/mesalib/src/mesa/tnl/t_vb_fog.c b/mesalib/src/mesa/tnl/t_vb_fog.c index 3e5c99735..cbd8dfc96 100644 --- a/mesalib/src/mesa/tnl/t_vb_fog.c +++ b/mesalib/src/mesa/tnl/t_vb_fog.c @@ -1,276 +1,276 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2006 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> - */ - - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "t_context.h" -#include "t_pipeline.h" - - -struct fog_stage_data { - GLvector4f fogcoord; /* has actual storage allocated */ -}; - -#define FOG_STAGE_DATA(stage) ((struct fog_stage_data *)stage->privatePtr) - -#define FOG_EXP_TABLE_SIZE 256 -#define FOG_MAX (10.0) -#define EXP_FOG_MAX .0006595 -#define FOG_INCR (FOG_MAX/FOG_EXP_TABLE_SIZE) -static GLfloat exp_table[FOG_EXP_TABLE_SIZE]; -static GLfloat inited = 0; - -#if 1 -#define NEG_EXP( result, narg ) \ -do { \ - GLfloat f = (GLfloat) (narg * (1.0/FOG_INCR)); \ - GLint k = (GLint) f; \ - if (k > FOG_EXP_TABLE_SIZE-2) \ - result = (GLfloat) EXP_FOG_MAX; \ - else \ - result = exp_table[k] + (f-k)*(exp_table[k+1]-exp_table[k]); \ -} while (0) -#else -#define NEG_EXP( result, narg ) \ -do { \ - result = exp(-narg); \ -} while (0) -#endif - - -/** - * Initialize the exp_table[] lookup table for approximating exp(). - */ -static void -init_static_data( void ) -{ - GLfloat f = 0.0F; - GLint i = 0; - for ( ; i < FOG_EXP_TABLE_SIZE ; i++, f += FOG_INCR) { - exp_table[i] = EXPF(-f); - } - inited = 1; -} - - -/** - * Compute per-vertex fog blend factors from fog coordinates by - * evaluating the GL_LINEAR, GL_EXP or GL_EXP2 fog function. - * Fog coordinates are distances from the eye (typically between the - * near and far clip plane distances). - * Note that fogcoords may be negative, if eye z is source absolute - * value must be taken earlier. - * Fog blend factors are in the range [0,1]. - */ -static void -compute_fog_blend_factors(struct gl_context *ctx, GLvector4f *out, const GLvector4f *in) -{ - GLfloat end = ctx->Fog.End; - GLfloat *v = in->start; - GLuint stride = in->stride; - GLuint n = in->count; - GLfloat (*data)[4] = out->data; - GLfloat d; - GLuint i; - - out->count = in->count; - - switch (ctx->Fog.Mode) { - case GL_LINEAR: - if (ctx->Fog.Start == ctx->Fog.End) - d = 1.0F; - else - d = 1.0F / (ctx->Fog.End - ctx->Fog.Start); - for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { - const GLfloat z = *v; - GLfloat f = (end - z) * d; - data[i][0] = CLAMP(f, 0.0F, 1.0F); - } - break; - case GL_EXP: - d = ctx->Fog.Density; - for ( i = 0 ; i < n ; i++, STRIDE_F(v,stride)) { - const GLfloat z = *v; - NEG_EXP( data[i][0], d * z ); - } - break; - case GL_EXP2: - d = ctx->Fog.Density*ctx->Fog.Density; - for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { - const GLfloat z = *v; - NEG_EXP( data[i][0], d * z * z ); - } - break; - default: - _mesa_problem(ctx, "Bad fog mode in make_fog_coord"); - return; - } -} - - -static GLboolean -run_fog_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - struct fog_stage_data *store = FOG_STAGE_DATA(stage); - GLvector4f *input; - - - if (!ctx->Fog.Enabled) - return GL_TRUE; - - if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT && !ctx->VertexProgram._Current) { - GLuint i; - GLfloat *coord; - /* Fog is computed from vertex or fragment Z values */ - /* source = VB->AttribPtr[_TNL_ATTRIB_POS] or VB->EyePtr coords */ - /* dest = VB->AttribPtr[_TNL_ATTRIB_FOG] = fog stage private storage */ - VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; - - if (!ctx->_NeedEyeCoords) { - /* compute fog coords from object coords */ - const GLfloat *m = ctx->ModelviewMatrixStack.Top->m; - GLfloat plane[4]; - - /* Use this to store calculated eye z values: - */ - input = &store->fogcoord; - - plane[0] = m[2]; - plane[1] = m[6]; - plane[2] = m[10]; - plane[3] = m[14]; - /* Full eye coords weren't required, just calculate the - * eye Z values. - */ - _mesa_dotprod_tab[VB->AttribPtr[_TNL_ATTRIB_POS]->size] - ( (GLfloat *) input->data, - 4 * sizeof(GLfloat), - VB->AttribPtr[_TNL_ATTRIB_POS], plane ); - - input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count; - - /* make sure coords are really positive - NOTE should avoid going through array twice */ - coord = input->start; - for (i = 0; i < input->count; i++) { - *coord = FABSF(*coord); - STRIDE_F(coord, input->stride); - } - } - else { - /* fog coordinates = eye Z coordinates - need to copy for ABS */ - input = &store->fogcoord; - - if (VB->EyePtr->size < 2) - _mesa_vector4f_clean_elem( VB->EyePtr, VB->Count, 2 ); - - input->stride = 4 * sizeof(GLfloat); - input->count = VB->EyePtr->count; - coord = VB->EyePtr->start; - for (i = 0 ; i < VB->EyePtr->count; i++) { - input->data[i][0] = FABSF(coord[2]); - STRIDE_F(coord, VB->EyePtr->stride); - } - } - } - else { - /* use glFogCoord() coordinates */ - input = VB->AttribPtr[_TNL_ATTRIB_FOG]; /* source data */ - - /* input->count may be one if glFogCoord was only called once - * before glBegin. But we need to compute fog for all vertices. - */ - input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count; - - VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; /* dest data */ - } - - if (tnl->_DoVertexFog) { - /* compute blend factors from fog coordinates */ - compute_fog_blend_factors( ctx, VB->AttribPtr[_TNL_ATTRIB_FOG], input ); - } - else { - /* results = incoming fog coords (compute fog per-fragment later) */ - VB->AttribPtr[_TNL_ATTRIB_FOG] = input; - } - - return GL_TRUE; -} - - - -/* Called the first time stage->run() is invoked. - */ -static GLboolean -alloc_fog_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct fog_stage_data *store; - stage->privatePtr = MALLOC(sizeof(*store)); - store = FOG_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - _mesa_vector4f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 ); - - if (!inited) - init_static_data(); - - return GL_TRUE; -} - - -static void -free_fog_data(struct tnl_pipeline_stage *stage) -{ - struct fog_stage_data *store = FOG_STAGE_DATA(stage); - if (store) { - _mesa_vector4f_free( &store->fogcoord ); - FREE( store ); - stage->privatePtr = NULL; - } -} - - -const struct tnl_pipeline_stage _tnl_fog_coordinate_stage = -{ - "build fog coordinates", /* name */ - NULL, /* private_data */ - alloc_fog_data, /* dtr */ - free_fog_data, /* dtr */ - NULL, /* check */ - run_fog_stage /* run -- initially set to init. */ -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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> + */ + + +#include "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + + +struct fog_stage_data { + GLvector4f fogcoord; /* has actual storage allocated */ +}; + +#define FOG_STAGE_DATA(stage) ((struct fog_stage_data *)stage->privatePtr) + +#define FOG_EXP_TABLE_SIZE 256 +#define FOG_MAX (10.0) +#define EXP_FOG_MAX .0006595 +#define FOG_INCR (FOG_MAX/FOG_EXP_TABLE_SIZE) +static GLfloat exp_table[FOG_EXP_TABLE_SIZE]; +static GLfloat inited = 0; + +#if 1 +#define NEG_EXP( result, narg ) \ +do { \ + GLfloat f = (GLfloat) (narg * (1.0/FOG_INCR)); \ + GLint k = (GLint) f; \ + if (k > FOG_EXP_TABLE_SIZE-2) \ + result = (GLfloat) EXP_FOG_MAX; \ + else \ + result = exp_table[k] + (f-k)*(exp_table[k+1]-exp_table[k]); \ +} while (0) +#else +#define NEG_EXP( result, narg ) \ +do { \ + result = exp(-narg); \ +} while (0) +#endif + + +/** + * Initialize the exp_table[] lookup table for approximating exp(). + */ +static void +init_static_data( void ) +{ + GLfloat f = 0.0F; + GLint i = 0; + for ( ; i < FOG_EXP_TABLE_SIZE ; i++, f += FOG_INCR) { + exp_table[i] = EXPF(-f); + } + inited = 1; +} + + +/** + * Compute per-vertex fog blend factors from fog coordinates by + * evaluating the GL_LINEAR, GL_EXP or GL_EXP2 fog function. + * Fog coordinates are distances from the eye (typically between the + * near and far clip plane distances). + * Note that fogcoords may be negative, if eye z is source absolute + * value must be taken earlier. + * Fog blend factors are in the range [0,1]. + */ +static void +compute_fog_blend_factors(struct gl_context *ctx, GLvector4f *out, const GLvector4f *in) +{ + GLfloat end = ctx->Fog.End; + GLfloat *v = in->start; + GLuint stride = in->stride; + GLuint n = in->count; + GLfloat (*data)[4] = out->data; + GLfloat d; + GLuint i; + + out->count = in->count; + + switch (ctx->Fog.Mode) { + case GL_LINEAR: + if (ctx->Fog.Start == ctx->Fog.End) + d = 1.0F; + else + d = 1.0F / (ctx->Fog.End - ctx->Fog.Start); + for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { + const GLfloat z = *v; + GLfloat f = (end - z) * d; + data[i][0] = CLAMP(f, 0.0F, 1.0F); + } + break; + case GL_EXP: + d = ctx->Fog.Density; + for ( i = 0 ; i < n ; i++, STRIDE_F(v,stride)) { + const GLfloat z = *v; + NEG_EXP( data[i][0], d * z ); + } + break; + case GL_EXP2: + d = ctx->Fog.Density*ctx->Fog.Density; + for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { + const GLfloat z = *v; + NEG_EXP( data[i][0], d * z * z ); + } + break; + default: + _mesa_problem(ctx, "Bad fog mode in make_fog_coord"); + return; + } +} + + +static GLboolean +run_fog_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + struct fog_stage_data *store = FOG_STAGE_DATA(stage); + GLvector4f *input; + + + if (!ctx->Fog.Enabled) + return GL_TRUE; + + if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT && !ctx->VertexProgram._Current) { + GLuint i; + GLfloat *coord; + /* Fog is computed from vertex or fragment Z values */ + /* source = VB->AttribPtr[_TNL_ATTRIB_POS] or VB->EyePtr coords */ + /* dest = VB->AttribPtr[_TNL_ATTRIB_FOG] = fog stage private storage */ + VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; + + if (!ctx->_NeedEyeCoords) { + /* compute fog coords from object coords */ + const GLfloat *m = ctx->ModelviewMatrixStack.Top->m; + GLfloat plane[4]; + + /* Use this to store calculated eye z values: + */ + input = &store->fogcoord; + + plane[0] = m[2]; + plane[1] = m[6]; + plane[2] = m[10]; + plane[3] = m[14]; + /* Full eye coords weren't required, just calculate the + * eye Z values. + */ + _mesa_dotprod_tab[VB->AttribPtr[_TNL_ATTRIB_POS]->size] + ( (GLfloat *) input->data, + 4 * sizeof(GLfloat), + VB->AttribPtr[_TNL_ATTRIB_POS], plane ); + + input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count; + + /* make sure coords are really positive + NOTE should avoid going through array twice */ + coord = input->start; + for (i = 0; i < input->count; i++) { + *coord = FABSF(*coord); + STRIDE_F(coord, input->stride); + } + } + else { + /* fog coordinates = eye Z coordinates - need to copy for ABS */ + input = &store->fogcoord; + + if (VB->EyePtr->size < 2) + _mesa_vector4f_clean_elem( VB->EyePtr, VB->Count, 2 ); + + input->stride = 4 * sizeof(GLfloat); + input->count = VB->EyePtr->count; + coord = VB->EyePtr->start; + for (i = 0 ; i < VB->EyePtr->count; i++) { + input->data[i][0] = FABSF(coord[2]); + STRIDE_F(coord, VB->EyePtr->stride); + } + } + } + else { + /* use glFogCoord() coordinates */ + input = VB->AttribPtr[_TNL_ATTRIB_FOG]; /* source data */ + + /* input->count may be one if glFogCoord was only called once + * before glBegin. But we need to compute fog for all vertices. + */ + input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count; + + VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; /* dest data */ + } + + if (tnl->_DoVertexFog) { + /* compute blend factors from fog coordinates */ + compute_fog_blend_factors( ctx, VB->AttribPtr[_TNL_ATTRIB_FOG], input ); + } + else { + /* results = incoming fog coords (compute fog per-fragment later) */ + VB->AttribPtr[_TNL_ATTRIB_FOG] = input; + } + + return GL_TRUE; +} + + + +/* Called the first time stage->run() is invoked. + */ +static GLboolean +alloc_fog_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct fog_stage_data *store; + stage->privatePtr = MALLOC(sizeof(*store)); + store = FOG_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + _mesa_vector4f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 ); + + if (!inited) + init_static_data(); + + return GL_TRUE; +} + + +static void +free_fog_data(struct tnl_pipeline_stage *stage) +{ + struct fog_stage_data *store = FOG_STAGE_DATA(stage); + if (store) { + _mesa_vector4f_free( &store->fogcoord ); + FREE( store ); + stage->privatePtr = NULL; + } +} + + +const struct tnl_pipeline_stage _tnl_fog_coordinate_stage = +{ + "build fog coordinates", /* name */ + NULL, /* private_data */ + alloc_fog_data, /* dtr */ + free_fog_data, /* dtr */ + NULL, /* check */ + run_fog_stage /* run -- initially set to init. */ +}; diff --git a/mesalib/src/mesa/tnl/t_vb_normals.c b/mesalib/src/mesa/tnl/t_vb_normals.c index 94e8d0ab5..c19b48e51 100644 --- a/mesalib/src/mesa/tnl/t_vb_normals.c +++ b/mesalib/src/mesa/tnl/t_vb_normals.c @@ -1,187 +1,187 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2006 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> - */ - - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "t_context.h" -#include "t_pipeline.h" - - -struct normal_stage_data { - normal_func NormalTransform; - GLvector4f normal; -}; - -#define NORMAL_STAGE_DATA(stage) ((struct normal_stage_data *)stage->privatePtr) - - -static GLboolean -run_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - const GLfloat *lengths; - - if (!store->NormalTransform) - return GL_TRUE; - - /* We can only use the display list's saved normal lengths if we've - * got a transformation matrix with uniform scaling. - */ - if (_math_matrix_is_general_scale(ctx->ModelviewMatrixStack.Top)) - lengths = NULL; - else - lengths = VB->NormalLengthPtr; - - store->NormalTransform( ctx->ModelviewMatrixStack.Top, - ctx->_ModelViewInvScale, - VB->AttribPtr[_TNL_ATTRIB_NORMAL], /* input normals */ - lengths, - &store->normal ); /* resulting normals */ - - if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]->count > 1) { - store->normal.stride = 4 * sizeof(GLfloat); - } - else { - store->normal.stride = 0; - } - - VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &store->normal; - - VB->NormalLengthPtr = NULL; /* no longer valid */ - return GL_TRUE; -} - - -/** - * Examine current GL state and set the store->NormalTransform pointer - * to point to the appropriate normal transformation routine. - */ -static void -validate_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); - - if (ctx->VertexProgram._Current || - (!ctx->Light.Enabled && - !(ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))) { - store->NormalTransform = NULL; - return; - } - - if (ctx->_NeedEyeCoords) { - /* Eye coordinates are needed, for whatever reasons. - * Do lighting in eye coordinates, as the GL spec says. - */ - GLuint transform = NORM_TRANSFORM_NO_ROT; - - if (_math_matrix_has_rotation(ctx->ModelviewMatrixStack.Top)) { - /* need to do full (3x3) matrix transform */ - transform = NORM_TRANSFORM; - } - - if (ctx->Transform.Normalize) { - store->NormalTransform = _mesa_normal_tab[transform | NORM_NORMALIZE]; - } - else if (ctx->Transform.RescaleNormals && - ctx->_ModelViewInvScale != 1.0) { - store->NormalTransform = _mesa_normal_tab[transform | NORM_RESCALE]; - } - else { - store->NormalTransform = _mesa_normal_tab[transform]; - } - } - else { - /* We don't need eye coordinates. - * Do lighting in object coordinates. Thus, we don't need to fully - * transform normal vectors (just leave them in object coordinates) - * but we still need to do normalization/rescaling if enabled. - */ - if (ctx->Transform.Normalize) { - store->NormalTransform = _mesa_normal_tab[NORM_NORMALIZE]; - } - else if (!ctx->Transform.RescaleNormals && - ctx->_ModelViewInvScale != 1.0) { - store->NormalTransform = _mesa_normal_tab[NORM_RESCALE]; - } - else { - store->NormalTransform = NULL; - } - } -} - - -/** - * Allocate stage's private data (storage for transformed normals). - */ -static GLboolean -alloc_normal_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct normal_stage_data *store; - - stage->privatePtr = malloc(sizeof(*store)); - store = NORMAL_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - _mesa_vector4f_alloc( &store->normal, 0, tnl->vb.Size, 32 ); - return GL_TRUE; -} - - -/** - * Free stage's private data. - */ -static void -free_normal_data(struct tnl_pipeline_stage *stage) -{ - struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); - if (store) { - _mesa_vector4f_free( &store->normal ); - free( store ); - stage->privatePtr = NULL; - } -} - - -const struct tnl_pipeline_stage _tnl_normal_transform_stage = -{ - "normal transform", /* name */ - NULL, /* privatePtr */ - alloc_normal_data, /* create */ - free_normal_data, /* destroy */ - validate_normal_stage, /* validate */ - run_normal_stage /* run */ -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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> + */ + + +#include "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + + +struct normal_stage_data { + normal_func NormalTransform; + GLvector4f normal; +}; + +#define NORMAL_STAGE_DATA(stage) ((struct normal_stage_data *)stage->privatePtr) + + +static GLboolean +run_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + const GLfloat *lengths; + + if (!store->NormalTransform) + return GL_TRUE; + + /* We can only use the display list's saved normal lengths if we've + * got a transformation matrix with uniform scaling. + */ + if (_math_matrix_is_general_scale(ctx->ModelviewMatrixStack.Top)) + lengths = NULL; + else + lengths = VB->NormalLengthPtr; + + store->NormalTransform( ctx->ModelviewMatrixStack.Top, + ctx->_ModelViewInvScale, + VB->AttribPtr[_TNL_ATTRIB_NORMAL], /* input normals */ + lengths, + &store->normal ); /* resulting normals */ + + if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]->count > 1) { + store->normal.stride = 4 * sizeof(GLfloat); + } + else { + store->normal.stride = 0; + } + + VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &store->normal; + + VB->NormalLengthPtr = NULL; /* no longer valid */ + return GL_TRUE; +} + + +/** + * Examine current GL state and set the store->NormalTransform pointer + * to point to the appropriate normal transformation routine. + */ +static void +validate_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); + + if (ctx->VertexProgram._Current || + (!ctx->Light.Enabled && + !(ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))) { + store->NormalTransform = NULL; + return; + } + + if (ctx->_NeedEyeCoords) { + /* Eye coordinates are needed, for whatever reasons. + * Do lighting in eye coordinates, as the GL spec says. + */ + GLuint transform = NORM_TRANSFORM_NO_ROT; + + if (_math_matrix_has_rotation(ctx->ModelviewMatrixStack.Top)) { + /* need to do full (3x3) matrix transform */ + transform = NORM_TRANSFORM; + } + + if (ctx->Transform.Normalize) { + store->NormalTransform = _mesa_normal_tab[transform | NORM_NORMALIZE]; + } + else if (ctx->Transform.RescaleNormals && + ctx->_ModelViewInvScale != 1.0) { + store->NormalTransform = _mesa_normal_tab[transform | NORM_RESCALE]; + } + else { + store->NormalTransform = _mesa_normal_tab[transform]; + } + } + else { + /* We don't need eye coordinates. + * Do lighting in object coordinates. Thus, we don't need to fully + * transform normal vectors (just leave them in object coordinates) + * but we still need to do normalization/rescaling if enabled. + */ + if (ctx->Transform.Normalize) { + store->NormalTransform = _mesa_normal_tab[NORM_NORMALIZE]; + } + else if (!ctx->Transform.RescaleNormals && + ctx->_ModelViewInvScale != 1.0) { + store->NormalTransform = _mesa_normal_tab[NORM_RESCALE]; + } + else { + store->NormalTransform = NULL; + } + } +} + + +/** + * Allocate stage's private data (storage for transformed normals). + */ +static GLboolean +alloc_normal_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct normal_stage_data *store; + + stage->privatePtr = malloc(sizeof(*store)); + store = NORMAL_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + _mesa_vector4f_alloc( &store->normal, 0, tnl->vb.Size, 32 ); + return GL_TRUE; +} + + +/** + * Free stage's private data. + */ +static void +free_normal_data(struct tnl_pipeline_stage *stage) +{ + struct normal_stage_data *store = NORMAL_STAGE_DATA(stage); + if (store) { + _mesa_vector4f_free( &store->normal ); + free( store ); + stage->privatePtr = NULL; + } +} + + +const struct tnl_pipeline_stage _tnl_normal_transform_stage = +{ + "normal transform", /* name */ + NULL, /* privatePtr */ + alloc_normal_data, /* create */ + free_normal_data, /* destroy */ + validate_normal_stage, /* validate */ + run_normal_stage /* run */ +}; diff --git a/mesalib/src/mesa/tnl/t_vb_points.c b/mesalib/src/mesa/tnl/t_vb_points.c index 1bf961a6d..9edbbc708 100644 --- a/mesalib/src/mesa/tnl/t_vb_points.c +++ b/mesalib/src/mesa/tnl/t_vb_points.c @@ -1,114 +1,114 @@ -/* - * Mesa 3-D graphics library - * Version: 7.0 - * - * Copyright (C) 1999-2007 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 - */ - -#include "main/glheader.h" -#include "main/mtypes.h" -#include "main/dd.h" -#include "main/imports.h" -#include "t_context.h" -#include "t_pipeline.h" - - -struct point_stage_data { - GLvector4f PointSize; -}; - -#define POINT_STAGE_DATA(stage) ((struct point_stage_data *)stage->privatePtr) - - -/** - * Compute point size for each vertex from the vertex eye-space Z - * coordinate and the point size attenuation factors. - * Only done when point size attenuation is enabled and vertex program is - * disabled. - */ -static GLboolean -run_point_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - if (ctx->Point._Attenuated && !ctx->VertexProgram._Current) { - struct point_stage_data *store = POINT_STAGE_DATA(stage); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - const GLfloat *eyeCoord = (GLfloat *) VB->EyePtr->data + 2; - const GLint eyeCoordStride = VB->EyePtr->stride / sizeof(GLfloat); - const GLfloat p0 = ctx->Point.Params[0]; - const GLfloat p1 = ctx->Point.Params[1]; - const GLfloat p2 = ctx->Point.Params[2]; - const GLfloat pointSize = ctx->Point.Size; - GLfloat (*size)[4] = store->PointSize.data; - GLuint i; - - for (i = 0; i < VB->Count; i++) { - const GLfloat dist = FABSF(*eyeCoord); - const GLfloat q = p0 + dist * (p1 + dist * p2); - const GLfloat atten = (q != 0.0F) ? SQRTF(1.0F / q) : 1.0F; - size[i][0] = pointSize * atten; /* clamping done in rasterization */ - eyeCoord += eyeCoordStride; - } - - VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->PointSize; - } - - return GL_TRUE; -} - - -static GLboolean -alloc_point_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct point_stage_data *store; - stage->privatePtr = malloc(sizeof(*store)); - store = POINT_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - _mesa_vector4f_alloc( &store->PointSize, 0, VB->Size, 32 ); - return GL_TRUE; -} - - -static void -free_point_data(struct tnl_pipeline_stage *stage) -{ - struct point_stage_data *store = POINT_STAGE_DATA(stage); - if (store) { - _mesa_vector4f_free( &store->PointSize ); - free( store ); - stage->privatePtr = NULL; - } -} - - -const struct tnl_pipeline_stage _tnl_point_attenuation_stage = -{ - "point size attenuation", /* name */ - NULL, /* stage private data */ - alloc_point_data, /* alloc data */ - free_point_data, /* destructor */ - NULL, - run_point_stage /* run */ -}; +/* + * Mesa 3-D graphics library + * Version: 7.0 + * + * Copyright (C) 1999-2007 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 + */ + +#include "main/glheader.h" +#include "main/mtypes.h" +#include "main/dd.h" +#include "main/imports.h" +#include "t_context.h" +#include "t_pipeline.h" + + +struct point_stage_data { + GLvector4f PointSize; +}; + +#define POINT_STAGE_DATA(stage) ((struct point_stage_data *)stage->privatePtr) + + +/** + * Compute point size for each vertex from the vertex eye-space Z + * coordinate and the point size attenuation factors. + * Only done when point size attenuation is enabled and vertex program is + * disabled. + */ +static GLboolean +run_point_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + if (ctx->Point._Attenuated && !ctx->VertexProgram._Current) { + struct point_stage_data *store = POINT_STAGE_DATA(stage); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + const GLfloat *eyeCoord = (GLfloat *) VB->EyePtr->data + 2; + const GLint eyeCoordStride = VB->EyePtr->stride / sizeof(GLfloat); + const GLfloat p0 = ctx->Point.Params[0]; + const GLfloat p1 = ctx->Point.Params[1]; + const GLfloat p2 = ctx->Point.Params[2]; + const GLfloat pointSize = ctx->Point.Size; + GLfloat (*size)[4] = store->PointSize.data; + GLuint i; + + for (i = 0; i < VB->Count; i++) { + const GLfloat dist = FABSF(*eyeCoord); + const GLfloat q = p0 + dist * (p1 + dist * p2); + const GLfloat atten = (q != 0.0F) ? SQRTF(1.0F / q) : 1.0F; + size[i][0] = pointSize * atten; /* clamping done in rasterization */ + eyeCoord += eyeCoordStride; + } + + VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->PointSize; + } + + return GL_TRUE; +} + + +static GLboolean +alloc_point_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct point_stage_data *store; + stage->privatePtr = malloc(sizeof(*store)); + store = POINT_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + _mesa_vector4f_alloc( &store->PointSize, 0, VB->Size, 32 ); + return GL_TRUE; +} + + +static void +free_point_data(struct tnl_pipeline_stage *stage) +{ + struct point_stage_data *store = POINT_STAGE_DATA(stage); + if (store) { + _mesa_vector4f_free( &store->PointSize ); + free( store ); + stage->privatePtr = NULL; + } +} + + +const struct tnl_pipeline_stage _tnl_point_attenuation_stage = +{ + "point size attenuation", /* name */ + NULL, /* stage private data */ + alloc_point_data, /* alloc data */ + free_point_data, /* destructor */ + NULL, + run_point_stage /* run */ +}; diff --git a/mesalib/src/mesa/tnl/t_vb_render.c b/mesalib/src/mesa/tnl/t_vb_render.c index 64dabca98..cb3192132 100644 --- a/mesalib/src/mesa/tnl/t_vb_render.c +++ b/mesalib/src/mesa/tnl/t_vb_render.c @@ -1,348 +1,348 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -/* - * Render whole vertex buffers, including projection of vertices from - * clip space and clipping of primitives. - * - * This file makes calls to project vertices and to the point, line - * and triangle rasterizers via the function pointers: - * - * context->Driver.Render.* - * - */ - - -#include "main/glheader.h" -#include "main/context.h" -#include "main/enums.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" -#include "math/m_xform.h" - -#include "t_pipeline.h" - - - -/**********************************************************************/ -/* Clip single primitives */ -/**********************************************************************/ - - -#define W(i) coord[i][3] -#define Z(i) coord[i][2] -#define Y(i) coord[i][1] -#define X(i) coord[i][0] -#define SIZE 4 -#define TAG(x) x##_4 -#include "t_vb_cliptmp.h" - - - -/**********************************************************************/ -/* Clip and render whole begin/end objects */ -/**********************************************************************/ - -#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) -#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx] -#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val - - -/* This does NOT include the CLIP_USER_BIT! */ -#define CLIPMASK (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT) - - -/* Vertices, with the possibility of clipping. - */ -#define RENDER_POINTS( start, count ) \ - tnl->Driver.Render.Points( ctx, start, count ) - -#define RENDER_LINE( v1, v2 ) \ -do { \ - GLubyte c1 = mask[v1], c2 = mask[v2]; \ - GLubyte ormask = c1|c2; \ - if (!ormask) \ - LineFunc( ctx, v1, v2 ); \ - else if (!(c1 & c2 & CLIPMASK)) \ - clip_line_4( ctx, v1, v2, ormask ); \ -} while (0) - -#define RENDER_TRI( v1, v2, v3 ) \ -do { \ - GLubyte c1 = mask[v1], c2 = mask[v2], c3 = mask[v3]; \ - GLubyte ormask = c1|c2|c3; \ - if (!ormask) \ - TriangleFunc( ctx, v1, v2, v3 ); \ - else if (!(c1 & c2 & c3 & CLIPMASK)) \ - clip_tri_4( ctx, v1, v2, v3, ormask ); \ -} while (0) - -#define RENDER_QUAD( v1, v2, v3, v4 ) \ -do { \ - GLubyte c1 = mask[v1], c2 = mask[v2]; \ - GLubyte c3 = mask[v3], c4 = mask[v4]; \ - GLubyte ormask = c1|c2|c3|c4; \ - if (!ormask) \ - QuadFunc( ctx, v1, v2, v3, v4 ); \ - else if (!(c1 & c2 & c3 & c4 & CLIPMASK)) \ - clip_quad_4( ctx, v1, v2, v3, v4, ormask ); \ -} while (0) - - -#define LOCAL_VARS \ - TNLcontext *tnl = TNL_CONTEXT(ctx); \ - struct vertex_buffer *VB = &tnl->vb; \ - const GLuint * const elt = VB->Elts; \ - const GLubyte *mask = VB->ClipMask; \ - const GLuint sz = VB->ClipPtr->size; \ - const tnl_line_func LineFunc = tnl->Driver.Render.Line; \ - const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \ - const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \ - const GLboolean stipple = ctx->Line.StippleFlag; \ - (void) (LineFunc && TriangleFunc && QuadFunc); \ - (void) elt; (void) mask; (void) sz; (void) stipple; - -#define TAG(x) clip_##x##_verts -#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x ) -#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx ) -#define PRESERVE_VB_DEFS -#include "t_vb_rendertmp.h" - - - -/* Elts, with the possibility of clipping. - */ -#undef ELT -#undef TAG -#define ELT(x) elt[x] -#define TAG(x) clip_##x##_elts -#include "t_vb_rendertmp.h" - -/* TODO: do this for all primitives, verts and elts: - */ -static void clip_elt_triangles( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl_render_func render_tris = tnl->Driver.Render.PrimTabElts[GL_TRIANGLES]; - struct vertex_buffer *VB = &tnl->vb; - const GLuint * const elt = VB->Elts; - GLubyte *mask = VB->ClipMask; - GLuint last = count-2; - GLuint j; - (void) flags; - - tnl->Driver.Render.PrimitiveNotify( ctx, GL_TRIANGLES ); - - for (j=start; j < last; j+=3 ) { - GLubyte c1 = mask[elt[j]]; - GLubyte c2 = mask[elt[j+1]]; - GLubyte c3 = mask[elt[j+2]]; - GLubyte ormask = c1|c2|c3; - if (ormask) { - if (start < j) - render_tris( ctx, start, j, 0 ); - if (!(c1&c2&c3&CLIPMASK)) - clip_tri_4( ctx, elt[j], elt[j+1], elt[j+2], ormask ); - start = j+3; - } - } - - if (start < j) - render_tris( ctx, start, j, 0 ); -} - -/**********************************************************************/ -/* Render whole begin/end objects */ -/**********************************************************************/ - -#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) -#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx] -#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val - - -/* Vertices, no clipping. - */ -#define RENDER_POINTS( start, count ) \ - tnl->Driver.Render.Points( ctx, start, count ) - -#define RENDER_LINE( v1, v2 ) \ - LineFunc( ctx, v1, v2 ) - -#define RENDER_TRI( v1, v2, v3 ) \ - TriangleFunc( ctx, v1, v2, v3 ) - -#define RENDER_QUAD( v1, v2, v3, v4 ) \ - QuadFunc( ctx, v1, v2, v3, v4 ) - -#define TAG(x) _tnl_##x##_verts - -#define LOCAL_VARS \ - TNLcontext *tnl = TNL_CONTEXT(ctx); \ - struct vertex_buffer *VB = &tnl->vb; \ - const GLuint * const elt = VB->Elts; \ - const tnl_line_func LineFunc = tnl->Driver.Render.Line; \ - const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \ - const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \ - const GLboolean stipple = ctx->Line.StippleFlag; \ - (void) (LineFunc && TriangleFunc && QuadFunc); \ - (void) elt; (void) stipple - -#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx ) -#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x ) -#define RENDER_TAB_QUALIFIER -#define PRESERVE_VB_DEFS -#include "t_vb_rendertmp.h" - - -/* Elts, no clipping. - */ -#undef ELT -#define TAG(x) _tnl_##x##_elts -#define ELT(x) elt[x] -#include "t_vb_rendertmp.h" - - -/**********************************************************************/ -/* Helper functions for drivers */ -/**********************************************************************/ - -void _tnl_RenderClippedPolygon( struct gl_context *ctx, const GLuint *elts, GLuint n ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint *tmp = VB->Elts; - - VB->Elts = (GLuint *)elts; - tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END ); - VB->Elts = tmp; -} - -void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Line( ctx, ii, jj ); -} - - - -/**********************************************************************/ -/* Clip and render whole vertex buffers */ -/**********************************************************************/ - - -static GLboolean run_render( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - tnl_render_func *tab; - GLint pass = 0; - - /* Allow the drivers to lock before projected verts are built so - * that window coordinates are guarenteed not to change before - * rendering. - */ - ASSERT(tnl->Driver.Render.Start); - - tnl->Driver.Render.Start( ctx ); - - ASSERT(tnl->Driver.Render.BuildVertices); - ASSERT(tnl->Driver.Render.PrimitiveNotify); - ASSERT(tnl->Driver.Render.Points); - ASSERT(tnl->Driver.Render.Line); - ASSERT(tnl->Driver.Render.Triangle); - ASSERT(tnl->Driver.Render.Quad); - ASSERT(tnl->Driver.Render.ResetLineStipple); - ASSERT(tnl->Driver.Render.Interp); - ASSERT(tnl->Driver.Render.CopyPV); - ASSERT(tnl->Driver.Render.ClippedLine); - ASSERT(tnl->Driver.Render.ClippedPolygon); - ASSERT(tnl->Driver.Render.Finish); - - tnl->Driver.Render.BuildVertices( ctx, 0, VB->Count, ~0 ); - - if (VB->ClipOrMask) { - tab = VB->Elts ? clip_render_tab_elts : clip_render_tab_verts; - clip_render_tab_elts[GL_TRIANGLES] = clip_elt_triangles; - } - else { - tab = (VB->Elts ? - tnl->Driver.Render.PrimTabElts : - tnl->Driver.Render.PrimTabVerts); - } - - do - { - GLuint i; - - for (i = 0 ; i < VB->PrimitiveCount ; i++) - { - GLuint prim = _tnl_translate_prim(&VB->Primitive[i]); - GLuint start = VB->Primitive[i].start; - GLuint length = VB->Primitive[i].count; - - assert((prim & PRIM_MODE_MASK) <= GL_POLYGON); - - if (MESA_VERBOSE & VERBOSE_PRIMS) - _mesa_debug(NULL, "MESA prim %s %d..%d\n", - _mesa_lookup_enum_by_nr(prim & PRIM_MODE_MASK), - start, start+length); - - if (length) - tab[prim & PRIM_MODE_MASK]( ctx, start, start + length, prim ); - } - } while (tnl->Driver.Render.Multipass && - tnl->Driver.Render.Multipass( ctx, ++pass )); - - tnl->Driver.Render.Finish( ctx ); - - return GL_FALSE; /* finished the pipe */ -} - - -/**********************************************************************/ -/* Render pipeline stage */ -/**********************************************************************/ - - - - - -const struct tnl_pipeline_stage _tnl_render_stage = -{ - "render", /* name */ - NULL, /* private data */ - NULL, /* creator */ - NULL, /* destructor */ - NULL, /* validate */ - run_render /* run */ -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * 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. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +/* + * Render whole vertex buffers, including projection of vertices from + * clip space and clipping of primitives. + * + * This file makes calls to project vertices and to the point, line + * and triangle rasterizers via the function pointers: + * + * context->Driver.Render.* + * + */ + + +#include "main/glheader.h" +#include "main/context.h" +#include "main/enums.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" +#include "math/m_xform.h" + +#include "t_pipeline.h" + + + +/**********************************************************************/ +/* Clip single primitives */ +/**********************************************************************/ + + +#define W(i) coord[i][3] +#define Z(i) coord[i][2] +#define Y(i) coord[i][1] +#define X(i) coord[i][0] +#define SIZE 4 +#define TAG(x) x##_4 +#include "t_vb_cliptmp.h" + + + +/**********************************************************************/ +/* Clip and render whole begin/end objects */ +/**********************************************************************/ + +#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) +#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx] +#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val + + +/* This does NOT include the CLIP_USER_BIT! */ +#define CLIPMASK (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT) + + +/* Vertices, with the possibility of clipping. + */ +#define RENDER_POINTS( start, count ) \ + tnl->Driver.Render.Points( ctx, start, count ) + +#define RENDER_LINE( v1, v2 ) \ +do { \ + GLubyte c1 = mask[v1], c2 = mask[v2]; \ + GLubyte ormask = c1|c2; \ + if (!ormask) \ + LineFunc( ctx, v1, v2 ); \ + else if (!(c1 & c2 & CLIPMASK)) \ + clip_line_4( ctx, v1, v2, ormask ); \ +} while (0) + +#define RENDER_TRI( v1, v2, v3 ) \ +do { \ + GLubyte c1 = mask[v1], c2 = mask[v2], c3 = mask[v3]; \ + GLubyte ormask = c1|c2|c3; \ + if (!ormask) \ + TriangleFunc( ctx, v1, v2, v3 ); \ + else if (!(c1 & c2 & c3 & CLIPMASK)) \ + clip_tri_4( ctx, v1, v2, v3, ormask ); \ +} while (0) + +#define RENDER_QUAD( v1, v2, v3, v4 ) \ +do { \ + GLubyte c1 = mask[v1], c2 = mask[v2]; \ + GLubyte c3 = mask[v3], c4 = mask[v4]; \ + GLubyte ormask = c1|c2|c3|c4; \ + if (!ormask) \ + QuadFunc( ctx, v1, v2, v3, v4 ); \ + else if (!(c1 & c2 & c3 & c4 & CLIPMASK)) \ + clip_quad_4( ctx, v1, v2, v3, v4, ormask ); \ +} while (0) + + +#define LOCAL_VARS \ + TNLcontext *tnl = TNL_CONTEXT(ctx); \ + struct vertex_buffer *VB = &tnl->vb; \ + const GLuint * const elt = VB->Elts; \ + const GLubyte *mask = VB->ClipMask; \ + const GLuint sz = VB->ClipPtr->size; \ + const tnl_line_func LineFunc = tnl->Driver.Render.Line; \ + const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \ + const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \ + const GLboolean stipple = ctx->Line.StippleFlag; \ + (void) (LineFunc && TriangleFunc && QuadFunc); \ + (void) elt; (void) mask; (void) sz; (void) stipple; + +#define TAG(x) clip_##x##_verts +#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x ) +#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx ) +#define PRESERVE_VB_DEFS +#include "t_vb_rendertmp.h" + + + +/* Elts, with the possibility of clipping. + */ +#undef ELT +#undef TAG +#define ELT(x) elt[x] +#define TAG(x) clip_##x##_elts +#include "t_vb_rendertmp.h" + +/* TODO: do this for all primitives, verts and elts: + */ +static void clip_elt_triangles( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + tnl_render_func render_tris = tnl->Driver.Render.PrimTabElts[GL_TRIANGLES]; + struct vertex_buffer *VB = &tnl->vb; + const GLuint * const elt = VB->Elts; + GLubyte *mask = VB->ClipMask; + GLuint last = count-2; + GLuint j; + (void) flags; + + tnl->Driver.Render.PrimitiveNotify( ctx, GL_TRIANGLES ); + + for (j=start; j < last; j+=3 ) { + GLubyte c1 = mask[elt[j]]; + GLubyte c2 = mask[elt[j+1]]; + GLubyte c3 = mask[elt[j+2]]; + GLubyte ormask = c1|c2|c3; + if (ormask) { + if (start < j) + render_tris( ctx, start, j, 0 ); + if (!(c1&c2&c3&CLIPMASK)) + clip_tri_4( ctx, elt[j], elt[j+1], elt[j+2], ormask ); + start = j+3; + } + } + + if (start < j) + render_tris( ctx, start, j, 0 ); +} + +/**********************************************************************/ +/* Render whole begin/end objects */ +/**********************************************************************/ + +#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) +#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx] +#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val + + +/* Vertices, no clipping. + */ +#define RENDER_POINTS( start, count ) \ + tnl->Driver.Render.Points( ctx, start, count ) + +#define RENDER_LINE( v1, v2 ) \ + LineFunc( ctx, v1, v2 ) + +#define RENDER_TRI( v1, v2, v3 ) \ + TriangleFunc( ctx, v1, v2, v3 ) + +#define RENDER_QUAD( v1, v2, v3, v4 ) \ + QuadFunc( ctx, v1, v2, v3, v4 ) + +#define TAG(x) _tnl_##x##_verts + +#define LOCAL_VARS \ + TNLcontext *tnl = TNL_CONTEXT(ctx); \ + struct vertex_buffer *VB = &tnl->vb; \ + const GLuint * const elt = VB->Elts; \ + const tnl_line_func LineFunc = tnl->Driver.Render.Line; \ + const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \ + const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \ + const GLboolean stipple = ctx->Line.StippleFlag; \ + (void) (LineFunc && TriangleFunc && QuadFunc); \ + (void) elt; (void) stipple + +#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx ) +#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x ) +#define RENDER_TAB_QUALIFIER +#define PRESERVE_VB_DEFS +#include "t_vb_rendertmp.h" + + +/* Elts, no clipping. + */ +#undef ELT +#define TAG(x) _tnl_##x##_elts +#define ELT(x) elt[x] +#include "t_vb_rendertmp.h" + + +/**********************************************************************/ +/* Helper functions for drivers */ +/**********************************************************************/ + +void _tnl_RenderClippedPolygon( struct gl_context *ctx, const GLuint *elts, GLuint n ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLuint *tmp = VB->Elts; + + VB->Elts = (GLuint *)elts; + tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END ); + VB->Elts = tmp; +} + +void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + tnl->Driver.Render.Line( ctx, ii, jj ); +} + + + +/**********************************************************************/ +/* Clip and render whole vertex buffers */ +/**********************************************************************/ + + +static GLboolean run_render( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + tnl_render_func *tab; + GLint pass = 0; + + /* Allow the drivers to lock before projected verts are built so + * that window coordinates are guarenteed not to change before + * rendering. + */ + ASSERT(tnl->Driver.Render.Start); + + tnl->Driver.Render.Start( ctx ); + + ASSERT(tnl->Driver.Render.BuildVertices); + ASSERT(tnl->Driver.Render.PrimitiveNotify); + ASSERT(tnl->Driver.Render.Points); + ASSERT(tnl->Driver.Render.Line); + ASSERT(tnl->Driver.Render.Triangle); + ASSERT(tnl->Driver.Render.Quad); + ASSERT(tnl->Driver.Render.ResetLineStipple); + ASSERT(tnl->Driver.Render.Interp); + ASSERT(tnl->Driver.Render.CopyPV); + ASSERT(tnl->Driver.Render.ClippedLine); + ASSERT(tnl->Driver.Render.ClippedPolygon); + ASSERT(tnl->Driver.Render.Finish); + + tnl->Driver.Render.BuildVertices( ctx, 0, VB->Count, ~0 ); + + if (VB->ClipOrMask) { + tab = VB->Elts ? clip_render_tab_elts : clip_render_tab_verts; + clip_render_tab_elts[GL_TRIANGLES] = clip_elt_triangles; + } + else { + tab = (VB->Elts ? + tnl->Driver.Render.PrimTabElts : + tnl->Driver.Render.PrimTabVerts); + } + + do + { + GLuint i; + + for (i = 0 ; i < VB->PrimitiveCount ; i++) + { + GLuint prim = _tnl_translate_prim(&VB->Primitive[i]); + GLuint start = VB->Primitive[i].start; + GLuint length = VB->Primitive[i].count; + + assert((prim & PRIM_MODE_MASK) <= GL_POLYGON); + + if (MESA_VERBOSE & VERBOSE_PRIMS) + _mesa_debug(NULL, "MESA prim %s %d..%d\n", + _mesa_lookup_enum_by_nr(prim & PRIM_MODE_MASK), + start, start+length); + + if (length) + tab[prim & PRIM_MODE_MASK]( ctx, start, start + length, prim ); + } + } while (tnl->Driver.Render.Multipass && + tnl->Driver.Render.Multipass( ctx, ++pass )); + + tnl->Driver.Render.Finish( ctx ); + + return GL_FALSE; /* finished the pipe */ +} + + +/**********************************************************************/ +/* Render pipeline stage */ +/**********************************************************************/ + + + + + +const struct tnl_pipeline_stage _tnl_render_stage = +{ + "render", /* name */ + NULL, /* private data */ + NULL, /* creator */ + NULL, /* destructor */ + NULL, /* validate */ + run_render /* run */ +}; diff --git a/mesalib/src/mesa/tnl/t_vb_rendertmp.h b/mesalib/src/mesa/tnl/t_vb_rendertmp.h index 92dbf219d..4ed485a7b 100644 --- a/mesalib/src/mesa/tnl/t_vb_rendertmp.h +++ b/mesalib/src/mesa/tnl/t_vb_rendertmp.h @@ -1,486 +1,486 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -#ifndef POSTFIX -#define POSTFIX -#endif - -#ifndef INIT -#define INIT(x) -#endif - -#ifndef NEED_EDGEFLAG_SETUP -#define NEED_EDGEFLAG_SETUP 0 -#define EDGEFLAG_GET(a) 0 -#define EDGEFLAG_SET(a,b) (void)b -#endif - -#ifndef RESET_STIPPLE -#define RESET_STIPPLE -#endif - -#ifndef TEST_PRIM_END -#define TEST_PRIM_END(prim) (flags & PRIM_END) -#define TEST_PRIM_BEGIN(prim) (flags & PRIM_BEGIN) -#endif - -#ifndef ELT -#define ELT(x) x -#endif - -#ifndef RENDER_TAB_QUALIFIER -#define RENDER_TAB_QUALIFIER static -#endif - -static void TAG(render_points)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - LOCAL_VARS; - (void) flags; - - INIT(GL_POINTS); - RENDER_POINTS( start, count ); - POSTFIX; -} - -static void TAG(render_lines)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_LINES); - for (j=start+1; j<count; j+=2 ) { - RESET_STIPPLE; - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_LINE( ELT(j-1), ELT(j) ); - else - RENDER_LINE( ELT(j), ELT(j-1) ); - } - POSTFIX; -} - - -static void TAG(render_line_strip)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_LINE_STRIP); - - if (TEST_PRIM_BEGIN(flags)) { - RESET_STIPPLE; - } - - for (j=start+1; j<count; j++ ) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_LINE( ELT(j-1), ELT(j) ); - else - RENDER_LINE( ELT(j), ELT(j-1) ); - } - POSTFIX; -} - - -static void TAG(render_line_loop)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint i; - LOCAL_VARS; - - (void) flags; - - INIT(GL_LINE_LOOP); - - if (start+1 < count) { - if (TEST_PRIM_BEGIN(flags)) { - RESET_STIPPLE; - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_LINE( ELT(start), ELT(start+1) ); - else - RENDER_LINE( ELT(start+1), ELT(start) ); - } - - for ( i = start+2 ; i < count ; i++) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_LINE( ELT(i-1), ELT(i) ); - else - RENDER_LINE( ELT(i), ELT(i-1) ); - } - - if ( TEST_PRIM_END(flags)) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_LINE( ELT(count-1), ELT(start) ); - else - RENDER_LINE( ELT(start), ELT(count-1) ); - } - } - - POSTFIX; -} - - -static void TAG(render_triangles)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_TRIANGLES); - if (NEED_EDGEFLAG_SETUP) { - for (j=start+2; j<count; j+=3) { - /* Leave the edgeflags as supplied by the user. - */ - RESET_STIPPLE; - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) ); - else - RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) ); - } - } else { - for (j=start+2; j<count; j+=3) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) ); - else - RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) ); - } - } - POSTFIX; -} - - - -static void TAG(render_tri_strip)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - GLuint parity = 0; - LOCAL_VARS; - - INIT(GL_TRIANGLE_STRIP); - if (NEED_EDGEFLAG_SETUP) { - for (j=start+2;j<count;j++,parity^=1) { - GLuint ej2, ej1, ej; - GLboolean ef2, ef1, ef; - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) { - ej2 = ELT(j-2+parity); - ej1 = ELT(j-1-parity); - ej = ELT(j); - } - else { - ej2 = ELT(j-1+parity); - ej1 = ELT(j-parity); - ej = ELT(j-2); - } - ef2 = EDGEFLAG_GET( ej2 ); - ef1 = EDGEFLAG_GET( ej1 ); - ef = EDGEFLAG_GET( ej ); - if (TEST_PRIM_BEGIN(flags)) { - RESET_STIPPLE; - } - EDGEFLAG_SET( ej2, GL_TRUE ); - EDGEFLAG_SET( ej1, GL_TRUE ); - EDGEFLAG_SET( ej, GL_TRUE ); - RENDER_TRI( ej2, ej1, ej ); - EDGEFLAG_SET( ej2, ef2 ); - EDGEFLAG_SET( ej1, ef1 ); - EDGEFLAG_SET( ej, ef ); - } - } else { - for (j=start+2; j<count ; j++, parity^=1) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) ); - else - RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) ); - } - } - POSTFIX; -} - - -static void TAG(render_tri_fan)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_TRIANGLE_FAN); - if (NEED_EDGEFLAG_SETUP) { - for (j=start+2;j<count;j++) { - /* For trifans, all edges are boundary. - */ - GLuint ejs = ELT(start); - GLuint ej1 = ELT(j-1); - GLuint ej = ELT(j); - GLboolean efs = EDGEFLAG_GET( ejs ); - GLboolean ef1 = EDGEFLAG_GET( ej1 ); - GLboolean ef = EDGEFLAG_GET( ej ); - if (TEST_PRIM_BEGIN(flags)) { - RESET_STIPPLE; - } - EDGEFLAG_SET( ejs, GL_TRUE ); - EDGEFLAG_SET( ej1, GL_TRUE ); - EDGEFLAG_SET( ej, GL_TRUE ); - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_TRI( ejs, ej1, ej); - else - RENDER_TRI( ej, ejs, ej1); - EDGEFLAG_SET( ejs, efs ); - EDGEFLAG_SET( ej1, ef1 ); - EDGEFLAG_SET( ej, ef ); - } - } else { - for (j=start+2;j<count;j++) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) - RENDER_TRI( ELT(start), ELT(j-1), ELT(j) ); - else - RENDER_TRI( ELT(j), ELT(start), ELT(j-1) ); - } - } - - POSTFIX; -} - - -static void TAG(render_poly)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j = start+2; - LOCAL_VARS; - (void) flags; - - INIT(GL_POLYGON); - if (NEED_EDGEFLAG_SETUP) { - GLboolean efstart = EDGEFLAG_GET( ELT(start) ); - GLboolean efcount = EDGEFLAG_GET( ELT(count-1) ); - - /* If the primitive does not begin here, the first edge - * is non-boundary. - */ - if (!TEST_PRIM_BEGIN(flags)) - EDGEFLAG_SET( ELT(start), GL_FALSE ); - else { - RESET_STIPPLE; - } - - /* If the primitive does not end here, the final edge is - * non-boundary. - */ - if (!TEST_PRIM_END(flags)) - EDGEFLAG_SET( ELT(count-1), GL_FALSE ); - - /* Draw the first triangles (possibly zero) - */ - if (j+1<count) { - GLboolean ef = EDGEFLAG_GET( ELT(j) ); - EDGEFLAG_SET( ELT(j), GL_FALSE ); - RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); - EDGEFLAG_SET( ELT(j), ef ); - j++; - - /* Don't render the first edge again: - */ - EDGEFLAG_SET( ELT(start), GL_FALSE ); - - for (;j+1<count;j++) { - GLboolean efj = EDGEFLAG_GET( ELT(j) ); - EDGEFLAG_SET( ELT(j), GL_FALSE ); - RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); - EDGEFLAG_SET( ELT(j), efj ); - } - } - - /* Draw the last or only triangle - */ - if (j < count) - RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); - - /* Restore the first and last edgeflags: - */ - EDGEFLAG_SET( ELT(count-1), efcount ); - EDGEFLAG_SET( ELT(start), efstart ); - - } - else { - for (j=start+2;j<count;j++) { - RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); - } - } - POSTFIX; -} - -static void TAG(render_quads)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_QUADS); - if (NEED_EDGEFLAG_SETUP) { - for (j=start+3; j<count; j+=4) { - /* Use user-specified edgeflags for quads. - */ - RESET_STIPPLE; - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || - !ctx->Const.QuadsFollowProvokingVertexConvention) - RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) ); - else - RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) ); - } - } else { - for (j=start+3; j<count; j+=4) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || - !ctx->Const.QuadsFollowProvokingVertexConvention) - RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) ); - else - RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) ); - } - } - POSTFIX; -} - -static void TAG(render_quad_strip)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - GLuint j; - LOCAL_VARS; - (void) flags; - - INIT(GL_QUAD_STRIP); - if (NEED_EDGEFLAG_SETUP) { - for (j=start+3;j<count;j+=2) { - /* All edges are boundary. Set edgeflags to 1, draw the - * quad, and restore them to the original values. - */ - GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) ); - GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) ); - GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) ); - GLboolean ef = EDGEFLAG_GET( ELT(j) ); - if (TEST_PRIM_BEGIN(flags)) { - RESET_STIPPLE; - } - EDGEFLAG_SET( ELT(j-3), GL_TRUE ); - EDGEFLAG_SET( ELT(j-2), GL_TRUE ); - EDGEFLAG_SET( ELT(j-1), GL_TRUE ); - EDGEFLAG_SET( ELT(j), GL_TRUE ); - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || - !ctx->Const.QuadsFollowProvokingVertexConvention) - RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) ); - else - RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) ); - EDGEFLAG_SET( ELT(j-3), ef3 ); - EDGEFLAG_SET( ELT(j-2), ef2 ); - EDGEFLAG_SET( ELT(j-1), ef1 ); - EDGEFLAG_SET( ELT(j), ef ); - } - } else { - for (j=start+3;j<count;j+=2) { - if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || - !ctx->Const.QuadsFollowProvokingVertexConvention) - RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) ); - else - RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) ); - } - } - POSTFIX; -} - -static void TAG(render_noop)( struct gl_context *ctx, - GLuint start, - GLuint count, - GLuint flags ) -{ - (void)(ctx && start && count && flags); -} - -RENDER_TAB_QUALIFIER void (*TAG(render_tab)[GL_POLYGON+2])(struct gl_context *, - GLuint, - GLuint, - GLuint) = -{ - TAG(render_points), - TAG(render_lines), - TAG(render_line_loop), - TAG(render_line_strip), - TAG(render_triangles), - TAG(render_tri_strip), - TAG(render_tri_fan), - TAG(render_quads), - TAG(render_quad_strip), - TAG(render_poly), - TAG(render_noop), -}; - - - -#ifndef PRESERVE_VB_DEFS -#undef RENDER_TRI -#undef RENDER_QUAD -#undef RENDER_LINE -#undef RENDER_POINTS -#undef LOCAL_VARS -#undef INIT -#undef POSTFIX -#undef RESET_STIPPLE -#undef DBG -#undef ELT -#undef RENDER_TAB_QUALIFIER -#endif - -#ifndef PRESERVE_TAG -#undef TAG -#endif - -#undef PRESERVE_VB_DEFS -#undef PRESERVE_TAG +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * 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. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#ifndef POSTFIX +#define POSTFIX +#endif + +#ifndef INIT +#define INIT(x) +#endif + +#ifndef NEED_EDGEFLAG_SETUP +#define NEED_EDGEFLAG_SETUP 0 +#define EDGEFLAG_GET(a) 0 +#define EDGEFLAG_SET(a,b) (void)b +#endif + +#ifndef RESET_STIPPLE +#define RESET_STIPPLE +#endif + +#ifndef TEST_PRIM_END +#define TEST_PRIM_END(prim) (flags & PRIM_END) +#define TEST_PRIM_BEGIN(prim) (flags & PRIM_BEGIN) +#endif + +#ifndef ELT +#define ELT(x) x +#endif + +#ifndef RENDER_TAB_QUALIFIER +#define RENDER_TAB_QUALIFIER static +#endif + +static void TAG(render_points)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + LOCAL_VARS; + (void) flags; + + INIT(GL_POINTS); + RENDER_POINTS( start, count ); + POSTFIX; +} + +static void TAG(render_lines)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_LINES); + for (j=start+1; j<count; j+=2 ) { + RESET_STIPPLE; + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_LINE( ELT(j-1), ELT(j) ); + else + RENDER_LINE( ELT(j), ELT(j-1) ); + } + POSTFIX; +} + + +static void TAG(render_line_strip)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_LINE_STRIP); + + if (TEST_PRIM_BEGIN(flags)) { + RESET_STIPPLE; + } + + for (j=start+1; j<count; j++ ) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_LINE( ELT(j-1), ELT(j) ); + else + RENDER_LINE( ELT(j), ELT(j-1) ); + } + POSTFIX; +} + + +static void TAG(render_line_loop)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint i; + LOCAL_VARS; + + (void) flags; + + INIT(GL_LINE_LOOP); + + if (start+1 < count) { + if (TEST_PRIM_BEGIN(flags)) { + RESET_STIPPLE; + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_LINE( ELT(start), ELT(start+1) ); + else + RENDER_LINE( ELT(start+1), ELT(start) ); + } + + for ( i = start+2 ; i < count ; i++) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_LINE( ELT(i-1), ELT(i) ); + else + RENDER_LINE( ELT(i), ELT(i-1) ); + } + + if ( TEST_PRIM_END(flags)) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_LINE( ELT(count-1), ELT(start) ); + else + RENDER_LINE( ELT(start), ELT(count-1) ); + } + } + + POSTFIX; +} + + +static void TAG(render_triangles)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_TRIANGLES); + if (NEED_EDGEFLAG_SETUP) { + for (j=start+2; j<count; j+=3) { + /* Leave the edgeflags as supplied by the user. + */ + RESET_STIPPLE; + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) ); + else + RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) ); + } + } else { + for (j=start+2; j<count; j+=3) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) ); + else + RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) ); + } + } + POSTFIX; +} + + + +static void TAG(render_tri_strip)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + GLuint parity = 0; + LOCAL_VARS; + + INIT(GL_TRIANGLE_STRIP); + if (NEED_EDGEFLAG_SETUP) { + for (j=start+2;j<count;j++,parity^=1) { + GLuint ej2, ej1, ej; + GLboolean ef2, ef1, ef; + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) { + ej2 = ELT(j-2+parity); + ej1 = ELT(j-1-parity); + ej = ELT(j); + } + else { + ej2 = ELT(j-1+parity); + ej1 = ELT(j-parity); + ej = ELT(j-2); + } + ef2 = EDGEFLAG_GET( ej2 ); + ef1 = EDGEFLAG_GET( ej1 ); + ef = EDGEFLAG_GET( ej ); + if (TEST_PRIM_BEGIN(flags)) { + RESET_STIPPLE; + } + EDGEFLAG_SET( ej2, GL_TRUE ); + EDGEFLAG_SET( ej1, GL_TRUE ); + EDGEFLAG_SET( ej, GL_TRUE ); + RENDER_TRI( ej2, ej1, ej ); + EDGEFLAG_SET( ej2, ef2 ); + EDGEFLAG_SET( ej1, ef1 ); + EDGEFLAG_SET( ej, ef ); + } + } else { + for (j=start+2; j<count ; j++, parity^=1) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) ); + else + RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) ); + } + } + POSTFIX; +} + + +static void TAG(render_tri_fan)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_TRIANGLE_FAN); + if (NEED_EDGEFLAG_SETUP) { + for (j=start+2;j<count;j++) { + /* For trifans, all edges are boundary. + */ + GLuint ejs = ELT(start); + GLuint ej1 = ELT(j-1); + GLuint ej = ELT(j); + GLboolean efs = EDGEFLAG_GET( ejs ); + GLboolean ef1 = EDGEFLAG_GET( ej1 ); + GLboolean ef = EDGEFLAG_GET( ej ); + if (TEST_PRIM_BEGIN(flags)) { + RESET_STIPPLE; + } + EDGEFLAG_SET( ejs, GL_TRUE ); + EDGEFLAG_SET( ej1, GL_TRUE ); + EDGEFLAG_SET( ej, GL_TRUE ); + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_TRI( ejs, ej1, ej); + else + RENDER_TRI( ej, ejs, ej1); + EDGEFLAG_SET( ejs, efs ); + EDGEFLAG_SET( ej1, ef1 ); + EDGEFLAG_SET( ej, ef ); + } + } else { + for (j=start+2;j<count;j++) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) + RENDER_TRI( ELT(start), ELT(j-1), ELT(j) ); + else + RENDER_TRI( ELT(j), ELT(start), ELT(j-1) ); + } + } + + POSTFIX; +} + + +static void TAG(render_poly)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j = start+2; + LOCAL_VARS; + (void) flags; + + INIT(GL_POLYGON); + if (NEED_EDGEFLAG_SETUP) { + GLboolean efstart = EDGEFLAG_GET( ELT(start) ); + GLboolean efcount = EDGEFLAG_GET( ELT(count-1) ); + + /* If the primitive does not begin here, the first edge + * is non-boundary. + */ + if (!TEST_PRIM_BEGIN(flags)) + EDGEFLAG_SET( ELT(start), GL_FALSE ); + else { + RESET_STIPPLE; + } + + /* If the primitive does not end here, the final edge is + * non-boundary. + */ + if (!TEST_PRIM_END(flags)) + EDGEFLAG_SET( ELT(count-1), GL_FALSE ); + + /* Draw the first triangles (possibly zero) + */ + if (j+1<count) { + GLboolean ef = EDGEFLAG_GET( ELT(j) ); + EDGEFLAG_SET( ELT(j), GL_FALSE ); + RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); + EDGEFLAG_SET( ELT(j), ef ); + j++; + + /* Don't render the first edge again: + */ + EDGEFLAG_SET( ELT(start), GL_FALSE ); + + for (;j+1<count;j++) { + GLboolean efj = EDGEFLAG_GET( ELT(j) ); + EDGEFLAG_SET( ELT(j), GL_FALSE ); + RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); + EDGEFLAG_SET( ELT(j), efj ); + } + } + + /* Draw the last or only triangle + */ + if (j < count) + RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); + + /* Restore the first and last edgeflags: + */ + EDGEFLAG_SET( ELT(count-1), efcount ); + EDGEFLAG_SET( ELT(start), efstart ); + + } + else { + for (j=start+2;j<count;j++) { + RENDER_TRI( ELT(j-1), ELT(j), ELT(start) ); + } + } + POSTFIX; +} + +static void TAG(render_quads)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_QUADS); + if (NEED_EDGEFLAG_SETUP) { + for (j=start+3; j<count; j+=4) { + /* Use user-specified edgeflags for quads. + */ + RESET_STIPPLE; + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || + !ctx->Const.QuadsFollowProvokingVertexConvention) + RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) ); + else + RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) ); + } + } else { + for (j=start+3; j<count; j+=4) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || + !ctx->Const.QuadsFollowProvokingVertexConvention) + RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) ); + else + RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) ); + } + } + POSTFIX; +} + +static void TAG(render_quad_strip)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + GLuint j; + LOCAL_VARS; + (void) flags; + + INIT(GL_QUAD_STRIP); + if (NEED_EDGEFLAG_SETUP) { + for (j=start+3;j<count;j+=2) { + /* All edges are boundary. Set edgeflags to 1, draw the + * quad, and restore them to the original values. + */ + GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) ); + GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) ); + GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) ); + GLboolean ef = EDGEFLAG_GET( ELT(j) ); + if (TEST_PRIM_BEGIN(flags)) { + RESET_STIPPLE; + } + EDGEFLAG_SET( ELT(j-3), GL_TRUE ); + EDGEFLAG_SET( ELT(j-2), GL_TRUE ); + EDGEFLAG_SET( ELT(j-1), GL_TRUE ); + EDGEFLAG_SET( ELT(j), GL_TRUE ); + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || + !ctx->Const.QuadsFollowProvokingVertexConvention) + RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) ); + else + RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) ); + EDGEFLAG_SET( ELT(j-3), ef3 ); + EDGEFLAG_SET( ELT(j-2), ef2 ); + EDGEFLAG_SET( ELT(j-1), ef1 ); + EDGEFLAG_SET( ELT(j), ef ); + } + } else { + for (j=start+3;j<count;j+=2) { + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT || + !ctx->Const.QuadsFollowProvokingVertexConvention) + RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) ); + else + RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) ); + } + } + POSTFIX; +} + +static void TAG(render_noop)( struct gl_context *ctx, + GLuint start, + GLuint count, + GLuint flags ) +{ + (void)(ctx && start && count && flags); +} + +RENDER_TAB_QUALIFIER void (*TAG(render_tab)[GL_POLYGON+2])(struct gl_context *, + GLuint, + GLuint, + GLuint) = +{ + TAG(render_points), + TAG(render_lines), + TAG(render_line_loop), + TAG(render_line_strip), + TAG(render_triangles), + TAG(render_tri_strip), + TAG(render_tri_fan), + TAG(render_quads), + TAG(render_quad_strip), + TAG(render_poly), + TAG(render_noop), +}; + + + +#ifndef PRESERVE_VB_DEFS +#undef RENDER_TRI +#undef RENDER_QUAD +#undef RENDER_LINE +#undef RENDER_POINTS +#undef LOCAL_VARS +#undef INIT +#undef POSTFIX +#undef RESET_STIPPLE +#undef DBG +#undef ELT +#undef RENDER_TAB_QUALIFIER +#endif + +#ifndef PRESERVE_TAG +#undef TAG +#endif + +#undef PRESERVE_VB_DEFS +#undef PRESERVE_TAG diff --git a/mesalib/src/mesa/tnl/t_vb_texgen.c b/mesalib/src/mesa/tnl/t_vb_texgen.c index 228808461..61430c396 100644 --- a/mesalib/src/mesa/tnl/t_vb_texgen.c +++ b/mesalib/src/mesa/tnl/t_vb_texgen.c @@ -1,609 +1,609 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2006 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 - * Keith Whitwell <keith@tungstengraphics.com> - */ - -/* - * Regarding GL_NV_texgen_reflection: - * - * 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 "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "t_context.h" -#include "t_pipeline.h" - - -/*********************************************************************** - * Automatic texture coordinate generation (texgen) code. - */ - - -struct texgen_stage_data; - -typedef void (*texgen_func)( struct gl_context *ctx, - struct texgen_stage_data *store, - GLuint unit); - - -struct texgen_stage_data { - - /* Per-texunit derived state. - */ - GLuint TexgenSize[MAX_TEXTURE_COORD_UNITS]; - texgen_func TexgenFunc[MAX_TEXTURE_COORD_UNITS]; - - /* Temporary values used in texgen. - */ - GLfloat (*tmp_f)[3]; - GLfloat *tmp_m; - - /* Buffered outputs of the stage. - */ - GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS]; -}; - - -#define TEXGEN_STAGE_DATA(stage) ((struct texgen_stage_data *)stage->privatePtr) - - - -static GLuint all_bits[5] = { - 0, - VEC_SIZE_1, - VEC_SIZE_2, - VEC_SIZE_3, - VEC_SIZE_4, -}; - -#define VEC_SIZE_FLAGS (VEC_SIZE_1|VEC_SIZE_2|VEC_SIZE_3|VEC_SIZE_4) - -#define TEXGEN_NEED_M (TEXGEN_SPHERE_MAP) -#define TEXGEN_NEED_F (TEXGEN_SPHERE_MAP | \ - TEXGEN_REFLECTION_MAP_NV) - - - -static void build_m3( GLfloat f[][3], GLfloat m[], - const GLvector4f *normal, - const GLvector4f *eye ) -{ - GLuint stride = eye->stride; - GLfloat *coord = (GLfloat *)eye->start; - GLuint count = eye->count; - const GLfloat *norm = normal->start; - GLuint i; - - for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) { - GLfloat u[3], two_nu, fx, fy, fz; - COPY_3V( u, coord ); - NORMALIZE_3FV( u ); - two_nu = 2.0F * DOT3(norm,u); - fx = f[i][0] = u[0] - norm[0] * two_nu; - fy = f[i][1] = u[1] - norm[1] * two_nu; - fz = f[i][2] = u[2] - norm[2] * two_nu; - m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F); - if (m[i] != 0.0F) { - m[i] = 0.5F * _mesa_inv_sqrtf(m[i]); - } - } -} - - - -static void build_m2( GLfloat f[][3], GLfloat m[], - const GLvector4f *normal, - const GLvector4f *eye ) -{ - GLuint stride = eye->stride; - GLfloat *coord = eye->start; - GLuint count = eye->count; - - GLfloat *norm = normal->start; - GLuint i; - - for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) { - GLfloat u[3], two_nu, fx, fy, fz; - COPY_2V( u, coord ); - u[2] = 0; - NORMALIZE_3FV( u ); - two_nu = 2.0F * DOT3(norm,u); - fx = f[i][0] = u[0] - norm[0] * two_nu; - fy = f[i][1] = u[1] - norm[1] * two_nu; - fz = f[i][2] = u[2] - norm[2] * two_nu; - m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F); - if (m[i] != 0.0F) { - m[i] = 0.5F * _mesa_inv_sqrtf(m[i]); - } - } -} - - - -typedef void (*build_m_func)( GLfloat f[][3], - GLfloat m[], - const GLvector4f *normal, - const GLvector4f *eye ); - - -static build_m_func build_m_tab[5] = { - NULL, - NULL, - build_m2, - build_m3, - build_m3 -}; - - -/* This is unusual in that we respect the stride of the output vector - * (f). This allows us to pass in either a texcoord vector4f, or a - * temporary vector3f. - */ -static void build_f3( GLfloat *f, - GLuint fstride, - const GLvector4f *normal, - const GLvector4f *eye ) -{ - GLuint stride = eye->stride; - GLfloat *coord = eye->start; - GLuint count = eye->count; - - GLfloat *norm = normal->start; - GLuint i; - - for (i=0;i<count;i++) { - GLfloat u[3], two_nu; - COPY_3V( u, coord ); - NORMALIZE_3FV( u ); - two_nu = 2.0F * DOT3(norm,u); - f[0] = u[0] - norm[0] * two_nu; - f[1] = u[1] - norm[1] * two_nu; - f[2] = u[2] - norm[2] * two_nu; - STRIDE_F(coord,stride); - STRIDE_F(f,fstride); - STRIDE_F(norm, normal->stride); - } -} - - -static void build_f2( GLfloat *f, - GLuint fstride, - const GLvector4f *normal, - const GLvector4f *eye ) -{ - GLuint stride = eye->stride; - GLfloat *coord = eye->start; - GLuint count = eye->count; - GLfloat *norm = normal->start; - GLuint i; - - for (i=0;i<count;i++) { - - GLfloat u[3], two_nu; - COPY_2V( u, coord ); - u[2] = 0; - NORMALIZE_3FV( u ); - two_nu = 2.0F * DOT3(norm,u); - f[0] = u[0] - norm[0] * two_nu; - f[1] = u[1] - norm[1] * two_nu; - f[2] = u[2] - norm[2] * two_nu; - - STRIDE_F(coord,stride); - STRIDE_F(f,fstride); - STRIDE_F(norm, normal->stride); - } -} - -typedef void (*build_f_func)( GLfloat *f, - GLuint fstride, - const GLvector4f *normal_vec, - const GLvector4f *eye ); - - - -/* Just treat 4-vectors as 3-vectors. - */ -static build_f_func build_f_tab[5] = { - NULL, - NULL, - build_f2, - build_f3, - build_f3 -}; - - - -/* Special case texgen functions. - */ -static void texgen_reflection_map_nv( struct gl_context *ctx, - struct texgen_stage_data *store, - GLuint unit ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; - GLvector4f *out = &store->texcoord[unit]; - - build_f_tab[VB->EyePtr->size]( out->start, - out->stride, - VB->AttribPtr[_TNL_ATTRIB_NORMAL], - VB->EyePtr ); - - out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3; - out->count = VB->Count; - out->size = MAX2(in->size, 3); - if (in->size == 4) - _mesa_copy_tab[0x8]( out, in ); -} - - - -static void texgen_normal_map_nv( struct gl_context *ctx, - struct texgen_stage_data *store, - GLuint unit ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; - GLvector4f *out = &store->texcoord[unit]; - GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL]; - GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->start; - GLuint count = VB->Count; - GLuint i; - const GLfloat *norm = normal->start; - - for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { - texcoord[i][0] = norm[0]; - texcoord[i][1] = norm[1]; - texcoord[i][2] = norm[2]; - } - - - out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3; - out->count = count; - out->size = MAX2(in->size, 3); - if (in->size == 4) - _mesa_copy_tab[0x8]( out, in ); -} - - -static void texgen_sphere_map( struct gl_context *ctx, - struct texgen_stage_data *store, - GLuint unit ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; - GLvector4f *out = &store->texcoord[unit]; - GLfloat (*texcoord)[4] = (GLfloat (*)[4]) out->start; - GLuint count = VB->Count; - GLuint i; - GLfloat (*f)[3] = store->tmp_f; - GLfloat *m = store->tmp_m; - - (build_m_tab[VB->EyePtr->size])( store->tmp_f, - store->tmp_m, - VB->AttribPtr[_TNL_ATTRIB_NORMAL], - VB->EyePtr ); - - out->size = MAX2(in->size,2); - - for (i=0;i<count;i++) { - texcoord[i][0] = f[i][0] * m[i] + 0.5F; - texcoord[i][1] = f[i][1] * m[i] + 0.5F; - } - - out->count = count; - out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_2; - if (in->size > 2) - _mesa_copy_tab[all_bits[in->size] & ~0x3]( out, in ); -} - - - -static void texgen( struct gl_context *ctx, - struct texgen_stage_data *store, - GLuint unit ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; - GLvector4f *out = &store->texcoord[unit]; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - const GLvector4f *obj = VB->AttribPtr[_TNL_ATTRIB_POS]; - const GLvector4f *eye = VB->EyePtr; - const GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL]; - const GLfloat *m = store->tmp_m; - const GLuint count = VB->Count; - GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->data; - GLfloat (*f)[3] = store->tmp_f; - GLuint copy; - - if (texUnit->_GenFlags & TEXGEN_NEED_M) { - build_m_tab[eye->size]( store->tmp_f, store->tmp_m, normal, eye ); - } else if (texUnit->_GenFlags & TEXGEN_NEED_F) { - build_f_tab[eye->size]( (GLfloat *)store->tmp_f, 3, normal, eye ); - } - - - out->size = MAX2(in->size, store->TexgenSize[unit]); - out->flags |= (in->flags & VEC_SIZE_FLAGS) | texUnit->TexGenEnabled; - out->count = count; - - copy = (all_bits[in->size] & ~texUnit->TexGenEnabled); - if (copy) - _mesa_copy_tab[copy]( out, in ); - - if (texUnit->TexGenEnabled & S_BIT) { - GLuint i; - switch (texUnit->GenS.Mode) { - case GL_OBJECT_LINEAR: - _mesa_dotprod_tab[obj->size]( (GLfloat *)out->data, - sizeof(out->data[0]), obj, - texUnit->GenS.ObjectPlane ); - break; - case GL_EYE_LINEAR: - _mesa_dotprod_tab[eye->size]( (GLfloat *)out->data, - sizeof(out->data[0]), eye, - texUnit->GenS.EyePlane ); - break; - case GL_SPHERE_MAP: - for (i = 0; i < count; i++) - texcoord[i][0] = f[i][0] * m[i] + 0.5F; - break; - case GL_REFLECTION_MAP_NV: - for (i=0;i<count;i++) - texcoord[i][0] = f[i][0]; - break; - case GL_NORMAL_MAP_NV: { - const GLfloat *norm = normal->start; - for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { - texcoord[i][0] = norm[0]; - } - break; - } - default: - _mesa_problem(ctx, "Bad S texgen"); - } - } - - if (texUnit->TexGenEnabled & T_BIT) { - GLuint i; - switch (texUnit->GenT.Mode) { - case GL_OBJECT_LINEAR: - _mesa_dotprod_tab[obj->size]( &(out->data[0][1]), - sizeof(out->data[0]), obj, - texUnit->GenT.ObjectPlane ); - break; - case GL_EYE_LINEAR: - _mesa_dotprod_tab[eye->size]( &(out->data[0][1]), - sizeof(out->data[0]), eye, - texUnit->GenT.EyePlane ); - break; - case GL_SPHERE_MAP: - for (i = 0; i < count; i++) - texcoord[i][1] = f[i][1] * m[i] + 0.5F; - break; - case GL_REFLECTION_MAP_NV: - for (i=0;i<count;i++) - texcoord[i][1] = f[i][1]; - break; - case GL_NORMAL_MAP_NV: { - const GLfloat *norm = normal->start; - for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { - texcoord[i][1] = norm[1]; - } - break; - } - default: - _mesa_problem(ctx, "Bad T texgen"); - } - } - - if (texUnit->TexGenEnabled & R_BIT) { - GLuint i; - switch (texUnit->GenR.Mode) { - case GL_OBJECT_LINEAR: - _mesa_dotprod_tab[obj->size]( &(out->data[0][2]), - sizeof(out->data[0]), obj, - texUnit->GenR.ObjectPlane ); - break; - case GL_EYE_LINEAR: - _mesa_dotprod_tab[eye->size]( &(out->data[0][2]), - sizeof(out->data[0]), eye, - texUnit->GenR.EyePlane ); - break; - case GL_REFLECTION_MAP_NV: - for (i=0;i<count;i++) - texcoord[i][2] = f[i][2]; - break; - case GL_NORMAL_MAP_NV: { - const GLfloat *norm = normal->start; - for (i=0;i<count;i++,STRIDE_F(norm, normal->stride)) { - texcoord[i][2] = norm[2]; - } - break; - } - default: - _mesa_problem(ctx, "Bad R texgen"); - } - } - - if (texUnit->TexGenEnabled & Q_BIT) { - switch (texUnit->GenQ.Mode) { - case GL_OBJECT_LINEAR: - _mesa_dotprod_tab[obj->size]( &(out->data[0][3]), - sizeof(out->data[0]), obj, - texUnit->GenQ.ObjectPlane ); - break; - case GL_EYE_LINEAR: - _mesa_dotprod_tab[eye->size]( &(out->data[0][3]), - sizeof(out->data[0]), eye, - texUnit->GenQ.EyePlane ); - break; - default: - _mesa_problem(ctx, "Bad Q texgen"); - } - } -} - - - - -static GLboolean run_texgen_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); - GLuint i; - - if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current) - return GL_TRUE; - - for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; - - if (texUnit->TexGenEnabled) { - - store->TexgenFunc[i]( ctx, store, i ); - - VB->AttribPtr[VERT_ATTRIB_TEX0 + i] = &store->texcoord[i]; - } - } - - return GL_TRUE; -} - - -static void validate_texgen_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); - GLuint i; - - if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current) - return; - - for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; - - if (texUnit->TexGenEnabled) { - GLuint sz; - - if (texUnit->TexGenEnabled & Q_BIT) - sz = 4; - else if (texUnit->TexGenEnabled & R_BIT) - sz = 3; - else if (texUnit->TexGenEnabled & T_BIT) - sz = 2; - else - sz = 1; - - store->TexgenSize[i] = sz; - store->TexgenFunc[i] = texgen; /* general solution */ - - /* look for special texgen cases */ - if (texUnit->TexGenEnabled == (S_BIT|T_BIT|R_BIT)) { - if (texUnit->_GenFlags == TEXGEN_REFLECTION_MAP_NV) { - store->TexgenFunc[i] = texgen_reflection_map_nv; - } - else if (texUnit->_GenFlags == TEXGEN_NORMAL_MAP_NV) { - store->TexgenFunc[i] = texgen_normal_map_nv; - } - } - else if (texUnit->TexGenEnabled == (S_BIT|T_BIT) && - texUnit->_GenFlags == TEXGEN_SPHERE_MAP) { - store->TexgenFunc[i] = texgen_sphere_map; - } - } - } -} - - - - - -/* Called the first time stage->run() is invoked. - */ -static GLboolean alloc_texgen_data( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct texgen_stage_data *store; - GLuint i; - - stage->privatePtr = CALLOC(sizeof(*store)); - store = TEXGEN_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) - _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); - - store->tmp_f = (GLfloat (*)[3]) MALLOC(VB->Size * sizeof(GLfloat) * 3); - store->tmp_m = (GLfloat *) MALLOC(VB->Size * sizeof(GLfloat)); - - return GL_TRUE; -} - - -static void free_texgen_data( struct tnl_pipeline_stage *stage ) - -{ - struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); - GLuint i; - - if (store) { - for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++) - if (store->texcoord[i].data) - _mesa_vector4f_free( &store->texcoord[i] ); - - - if (store->tmp_f) FREE( store->tmp_f ); - if (store->tmp_m) FREE( store->tmp_m ); - FREE( store ); - stage->privatePtr = NULL; - } -} - - - -const struct tnl_pipeline_stage _tnl_texgen_stage = -{ - "texgen", /* name */ - NULL, /* private data */ - alloc_texgen_data, /* destructor */ - free_texgen_data, /* destructor */ - validate_texgen_stage, /* check */ - run_texgen_stage /* run -- initially set to alloc data */ -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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 + * Keith Whitwell <keith@tungstengraphics.com> + */ + +/* + * Regarding GL_NV_texgen_reflection: + * + * 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 "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + + +/*********************************************************************** + * Automatic texture coordinate generation (texgen) code. + */ + + +struct texgen_stage_data; + +typedef void (*texgen_func)( struct gl_context *ctx, + struct texgen_stage_data *store, + GLuint unit); + + +struct texgen_stage_data { + + /* Per-texunit derived state. + */ + GLuint TexgenSize[MAX_TEXTURE_COORD_UNITS]; + texgen_func TexgenFunc[MAX_TEXTURE_COORD_UNITS]; + + /* Temporary values used in texgen. + */ + GLfloat (*tmp_f)[3]; + GLfloat *tmp_m; + + /* Buffered outputs of the stage. + */ + GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS]; +}; + + +#define TEXGEN_STAGE_DATA(stage) ((struct texgen_stage_data *)stage->privatePtr) + + + +static GLuint all_bits[5] = { + 0, + VEC_SIZE_1, + VEC_SIZE_2, + VEC_SIZE_3, + VEC_SIZE_4, +}; + +#define VEC_SIZE_FLAGS (VEC_SIZE_1|VEC_SIZE_2|VEC_SIZE_3|VEC_SIZE_4) + +#define TEXGEN_NEED_M (TEXGEN_SPHERE_MAP) +#define TEXGEN_NEED_F (TEXGEN_SPHERE_MAP | \ + TEXGEN_REFLECTION_MAP_NV) + + + +static void build_m3( GLfloat f[][3], GLfloat m[], + const GLvector4f *normal, + const GLvector4f *eye ) +{ + GLuint stride = eye->stride; + GLfloat *coord = (GLfloat *)eye->start; + GLuint count = eye->count; + const GLfloat *norm = normal->start; + GLuint i; + + for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) { + GLfloat u[3], two_nu, fx, fy, fz; + COPY_3V( u, coord ); + NORMALIZE_3FV( u ); + two_nu = 2.0F * DOT3(norm,u); + fx = f[i][0] = u[0] - norm[0] * two_nu; + fy = f[i][1] = u[1] - norm[1] * two_nu; + fz = f[i][2] = u[2] - norm[2] * two_nu; + m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F); + if (m[i] != 0.0F) { + m[i] = 0.5F * _mesa_inv_sqrtf(m[i]); + } + } +} + + + +static void build_m2( GLfloat f[][3], GLfloat m[], + const GLvector4f *normal, + const GLvector4f *eye ) +{ + GLuint stride = eye->stride; + GLfloat *coord = eye->start; + GLuint count = eye->count; + + GLfloat *norm = normal->start; + GLuint i; + + for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) { + GLfloat u[3], two_nu, fx, fy, fz; + COPY_2V( u, coord ); + u[2] = 0; + NORMALIZE_3FV( u ); + two_nu = 2.0F * DOT3(norm,u); + fx = f[i][0] = u[0] - norm[0] * two_nu; + fy = f[i][1] = u[1] - norm[1] * two_nu; + fz = f[i][2] = u[2] - norm[2] * two_nu; + m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F); + if (m[i] != 0.0F) { + m[i] = 0.5F * _mesa_inv_sqrtf(m[i]); + } + } +} + + + +typedef void (*build_m_func)( GLfloat f[][3], + GLfloat m[], + const GLvector4f *normal, + const GLvector4f *eye ); + + +static build_m_func build_m_tab[5] = { + NULL, + NULL, + build_m2, + build_m3, + build_m3 +}; + + +/* This is unusual in that we respect the stride of the output vector + * (f). This allows us to pass in either a texcoord vector4f, or a + * temporary vector3f. + */ +static void build_f3( GLfloat *f, + GLuint fstride, + const GLvector4f *normal, + const GLvector4f *eye ) +{ + GLuint stride = eye->stride; + GLfloat *coord = eye->start; + GLuint count = eye->count; + + GLfloat *norm = normal->start; + GLuint i; + + for (i=0;i<count;i++) { + GLfloat u[3], two_nu; + COPY_3V( u, coord ); + NORMALIZE_3FV( u ); + two_nu = 2.0F * DOT3(norm,u); + f[0] = u[0] - norm[0] * two_nu; + f[1] = u[1] - norm[1] * two_nu; + f[2] = u[2] - norm[2] * two_nu; + STRIDE_F(coord,stride); + STRIDE_F(f,fstride); + STRIDE_F(norm, normal->stride); + } +} + + +static void build_f2( GLfloat *f, + GLuint fstride, + const GLvector4f *normal, + const GLvector4f *eye ) +{ + GLuint stride = eye->stride; + GLfloat *coord = eye->start; + GLuint count = eye->count; + GLfloat *norm = normal->start; + GLuint i; + + for (i=0;i<count;i++) { + + GLfloat u[3], two_nu; + COPY_2V( u, coord ); + u[2] = 0; + NORMALIZE_3FV( u ); + two_nu = 2.0F * DOT3(norm,u); + f[0] = u[0] - norm[0] * two_nu; + f[1] = u[1] - norm[1] * two_nu; + f[2] = u[2] - norm[2] * two_nu; + + STRIDE_F(coord,stride); + STRIDE_F(f,fstride); + STRIDE_F(norm, normal->stride); + } +} + +typedef void (*build_f_func)( GLfloat *f, + GLuint fstride, + const GLvector4f *normal_vec, + const GLvector4f *eye ); + + + +/* Just treat 4-vectors as 3-vectors. + */ +static build_f_func build_f_tab[5] = { + NULL, + NULL, + build_f2, + build_f3, + build_f3 +}; + + + +/* Special case texgen functions. + */ +static void texgen_reflection_map_nv( struct gl_context *ctx, + struct texgen_stage_data *store, + GLuint unit ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; + GLvector4f *out = &store->texcoord[unit]; + + build_f_tab[VB->EyePtr->size]( out->start, + out->stride, + VB->AttribPtr[_TNL_ATTRIB_NORMAL], + VB->EyePtr ); + + out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3; + out->count = VB->Count; + out->size = MAX2(in->size, 3); + if (in->size == 4) + _mesa_copy_tab[0x8]( out, in ); +} + + + +static void texgen_normal_map_nv( struct gl_context *ctx, + struct texgen_stage_data *store, + GLuint unit ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; + GLvector4f *out = &store->texcoord[unit]; + GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL]; + GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->start; + GLuint count = VB->Count; + GLuint i; + const GLfloat *norm = normal->start; + + for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { + texcoord[i][0] = norm[0]; + texcoord[i][1] = norm[1]; + texcoord[i][2] = norm[2]; + } + + + out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3; + out->count = count; + out->size = MAX2(in->size, 3); + if (in->size == 4) + _mesa_copy_tab[0x8]( out, in ); +} + + +static void texgen_sphere_map( struct gl_context *ctx, + struct texgen_stage_data *store, + GLuint unit ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; + GLvector4f *out = &store->texcoord[unit]; + GLfloat (*texcoord)[4] = (GLfloat (*)[4]) out->start; + GLuint count = VB->Count; + GLuint i; + GLfloat (*f)[3] = store->tmp_f; + GLfloat *m = store->tmp_m; + + (build_m_tab[VB->EyePtr->size])( store->tmp_f, + store->tmp_m, + VB->AttribPtr[_TNL_ATTRIB_NORMAL], + VB->EyePtr ); + + out->size = MAX2(in->size,2); + + for (i=0;i<count;i++) { + texcoord[i][0] = f[i][0] * m[i] + 0.5F; + texcoord[i][1] = f[i][1] * m[i] + 0.5F; + } + + out->count = count; + out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_2; + if (in->size > 2) + _mesa_copy_tab[all_bits[in->size] & ~0x3]( out, in ); +} + + + +static void texgen( struct gl_context *ctx, + struct texgen_stage_data *store, + GLuint unit ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit]; + GLvector4f *out = &store->texcoord[unit]; + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + const GLvector4f *obj = VB->AttribPtr[_TNL_ATTRIB_POS]; + const GLvector4f *eye = VB->EyePtr; + const GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL]; + const GLfloat *m = store->tmp_m; + const GLuint count = VB->Count; + GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->data; + GLfloat (*f)[3] = store->tmp_f; + GLuint copy; + + if (texUnit->_GenFlags & TEXGEN_NEED_M) { + build_m_tab[eye->size]( store->tmp_f, store->tmp_m, normal, eye ); + } else if (texUnit->_GenFlags & TEXGEN_NEED_F) { + build_f_tab[eye->size]( (GLfloat *)store->tmp_f, 3, normal, eye ); + } + + + out->size = MAX2(in->size, store->TexgenSize[unit]); + out->flags |= (in->flags & VEC_SIZE_FLAGS) | texUnit->TexGenEnabled; + out->count = count; + + copy = (all_bits[in->size] & ~texUnit->TexGenEnabled); + if (copy) + _mesa_copy_tab[copy]( out, in ); + + if (texUnit->TexGenEnabled & S_BIT) { + GLuint i; + switch (texUnit->GenS.Mode) { + case GL_OBJECT_LINEAR: + _mesa_dotprod_tab[obj->size]( (GLfloat *)out->data, + sizeof(out->data[0]), obj, + texUnit->GenS.ObjectPlane ); + break; + case GL_EYE_LINEAR: + _mesa_dotprod_tab[eye->size]( (GLfloat *)out->data, + sizeof(out->data[0]), eye, + texUnit->GenS.EyePlane ); + break; + case GL_SPHERE_MAP: + for (i = 0; i < count; i++) + texcoord[i][0] = f[i][0] * m[i] + 0.5F; + break; + case GL_REFLECTION_MAP_NV: + for (i=0;i<count;i++) + texcoord[i][0] = f[i][0]; + break; + case GL_NORMAL_MAP_NV: { + const GLfloat *norm = normal->start; + for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { + texcoord[i][0] = norm[0]; + } + break; + } + default: + _mesa_problem(ctx, "Bad S texgen"); + } + } + + if (texUnit->TexGenEnabled & T_BIT) { + GLuint i; + switch (texUnit->GenT.Mode) { + case GL_OBJECT_LINEAR: + _mesa_dotprod_tab[obj->size]( &(out->data[0][1]), + sizeof(out->data[0]), obj, + texUnit->GenT.ObjectPlane ); + break; + case GL_EYE_LINEAR: + _mesa_dotprod_tab[eye->size]( &(out->data[0][1]), + sizeof(out->data[0]), eye, + texUnit->GenT.EyePlane ); + break; + case GL_SPHERE_MAP: + for (i = 0; i < count; i++) + texcoord[i][1] = f[i][1] * m[i] + 0.5F; + break; + case GL_REFLECTION_MAP_NV: + for (i=0;i<count;i++) + texcoord[i][1] = f[i][1]; + break; + case GL_NORMAL_MAP_NV: { + const GLfloat *norm = normal->start; + for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) { + texcoord[i][1] = norm[1]; + } + break; + } + default: + _mesa_problem(ctx, "Bad T texgen"); + } + } + + if (texUnit->TexGenEnabled & R_BIT) { + GLuint i; + switch (texUnit->GenR.Mode) { + case GL_OBJECT_LINEAR: + _mesa_dotprod_tab[obj->size]( &(out->data[0][2]), + sizeof(out->data[0]), obj, + texUnit->GenR.ObjectPlane ); + break; + case GL_EYE_LINEAR: + _mesa_dotprod_tab[eye->size]( &(out->data[0][2]), + sizeof(out->data[0]), eye, + texUnit->GenR.EyePlane ); + break; + case GL_REFLECTION_MAP_NV: + for (i=0;i<count;i++) + texcoord[i][2] = f[i][2]; + break; + case GL_NORMAL_MAP_NV: { + const GLfloat *norm = normal->start; + for (i=0;i<count;i++,STRIDE_F(norm, normal->stride)) { + texcoord[i][2] = norm[2]; + } + break; + } + default: + _mesa_problem(ctx, "Bad R texgen"); + } + } + + if (texUnit->TexGenEnabled & Q_BIT) { + switch (texUnit->GenQ.Mode) { + case GL_OBJECT_LINEAR: + _mesa_dotprod_tab[obj->size]( &(out->data[0][3]), + sizeof(out->data[0]), obj, + texUnit->GenQ.ObjectPlane ); + break; + case GL_EYE_LINEAR: + _mesa_dotprod_tab[eye->size]( &(out->data[0][3]), + sizeof(out->data[0]), eye, + texUnit->GenQ.EyePlane ); + break; + default: + _mesa_problem(ctx, "Bad Q texgen"); + } + } +} + + + + +static GLboolean run_texgen_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); + GLuint i; + + if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current) + return GL_TRUE; + + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; + + if (texUnit->TexGenEnabled) { + + store->TexgenFunc[i]( ctx, store, i ); + + VB->AttribPtr[VERT_ATTRIB_TEX0 + i] = &store->texcoord[i]; + } + } + + return GL_TRUE; +} + + +static void validate_texgen_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); + GLuint i; + + if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current) + return; + + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; + + if (texUnit->TexGenEnabled) { + GLuint sz; + + if (texUnit->TexGenEnabled & Q_BIT) + sz = 4; + else if (texUnit->TexGenEnabled & R_BIT) + sz = 3; + else if (texUnit->TexGenEnabled & T_BIT) + sz = 2; + else + sz = 1; + + store->TexgenSize[i] = sz; + store->TexgenFunc[i] = texgen; /* general solution */ + + /* look for special texgen cases */ + if (texUnit->TexGenEnabled == (S_BIT|T_BIT|R_BIT)) { + if (texUnit->_GenFlags == TEXGEN_REFLECTION_MAP_NV) { + store->TexgenFunc[i] = texgen_reflection_map_nv; + } + else if (texUnit->_GenFlags == TEXGEN_NORMAL_MAP_NV) { + store->TexgenFunc[i] = texgen_normal_map_nv; + } + } + else if (texUnit->TexGenEnabled == (S_BIT|T_BIT) && + texUnit->_GenFlags == TEXGEN_SPHERE_MAP) { + store->TexgenFunc[i] = texgen_sphere_map; + } + } + } +} + + + + + +/* Called the first time stage->run() is invoked. + */ +static GLboolean alloc_texgen_data( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct texgen_stage_data *store; + GLuint i; + + stage->privatePtr = CALLOC(sizeof(*store)); + store = TEXGEN_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) + _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); + + store->tmp_f = (GLfloat (*)[3]) MALLOC(VB->Size * sizeof(GLfloat) * 3); + store->tmp_m = (GLfloat *) MALLOC(VB->Size * sizeof(GLfloat)); + + return GL_TRUE; +} + + +static void free_texgen_data( struct tnl_pipeline_stage *stage ) + +{ + struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage); + GLuint i; + + if (store) { + for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++) + if (store->texcoord[i].data) + _mesa_vector4f_free( &store->texcoord[i] ); + + + if (store->tmp_f) FREE( store->tmp_f ); + if (store->tmp_m) FREE( store->tmp_m ); + FREE( store ); + stage->privatePtr = NULL; + } +} + + + +const struct tnl_pipeline_stage _tnl_texgen_stage = +{ + "texgen", /* name */ + NULL, /* private data */ + alloc_texgen_data, /* destructor */ + free_texgen_data, /* destructor */ + validate_texgen_stage, /* check */ + run_texgen_stage /* run -- initially set to alloc data */ +}; diff --git a/mesalib/src/mesa/tnl/t_vb_texmat.c b/mesalib/src/mesa/tnl/t_vb_texmat.c index 7b30946c8..38aa51fc4 100644 --- a/mesalib/src/mesa/tnl/t_vb_texmat.c +++ b/mesalib/src/mesa/tnl/t_vb_texmat.c @@ -1,128 +1,128 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2006 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> - */ - - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "t_context.h" -#include "t_pipeline.h" - -/* Is there any real benefit seperating texmat from texgen? It means - * we need two lots of intermediate storage. Any changes to - * _NEW_TEXTURE will invalidate both sets -- it's only on changes to - * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't. - * - * However, the seperation of this code from the complex texgen stuff - * is very appealing. - */ -struct texmat_stage_data { - GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS]; -}; - -#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr) - - - -static GLboolean run_texmat_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLuint i; - - if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current) - return GL_TRUE; - - /* ENABLE_TEXMAT implies that the texture matrix is not the - * identity, so we don't have to check that here. - */ - for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { - if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) { - (void) TransformRaw( &store->texcoord[i], - ctx->TextureMatrixStack[i].Top, - VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]); - - VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i]; - } - } - - return GL_TRUE; -} - - -/* Called the first time stage->run() is invoked. - */ -static GLboolean alloc_texmat_data( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct texmat_stage_data *store; - GLuint i; - - stage->privatePtr = CALLOC(sizeof(*store)); - store = TEXMAT_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) - _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); - - return GL_TRUE; -} - - -static void free_texmat_data( struct tnl_pipeline_stage *stage ) -{ - struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); - GLuint i; - - if (store) { - for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) - if (store->texcoord[i].data) - _mesa_vector4f_free( &store->texcoord[i] ); - FREE( store ); - stage->privatePtr = NULL; - } -} - - - -const struct tnl_pipeline_stage _tnl_texture_transform_stage = -{ - "texture transform", /* name */ - NULL, /* private data */ - alloc_texmat_data, - free_texmat_data, /* destructor */ - NULL, - run_texmat_stage, -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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> + */ + + +#include "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + +/* Is there any real benefit seperating texmat from texgen? It means + * we need two lots of intermediate storage. Any changes to + * _NEW_TEXTURE will invalidate both sets -- it's only on changes to + * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't. + * + * However, the seperation of this code from the complex texgen stuff + * is very appealing. + */ +struct texmat_stage_data { + GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS]; +}; + +#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr) + + + +static GLboolean run_texmat_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLuint i; + + if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current) + return GL_TRUE; + + /* ENABLE_TEXMAT implies that the texture matrix is not the + * identity, so we don't have to check that here. + */ + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { + if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) { + (void) TransformRaw( &store->texcoord[i], + ctx->TextureMatrixStack[i].Top, + VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]); + + VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i]; + } + } + + return GL_TRUE; +} + + +/* Called the first time stage->run() is invoked. + */ +static GLboolean alloc_texmat_data( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct texmat_stage_data *store; + GLuint i; + + stage->privatePtr = CALLOC(sizeof(*store)); + store = TEXMAT_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) + _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); + + return GL_TRUE; +} + + +static void free_texmat_data( struct tnl_pipeline_stage *stage ) +{ + struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); + GLuint i; + + if (store) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) + if (store->texcoord[i].data) + _mesa_vector4f_free( &store->texcoord[i] ); + FREE( store ); + stage->privatePtr = NULL; + } +} + + + +const struct tnl_pipeline_stage _tnl_texture_transform_stage = +{ + "texture transform", /* name */ + NULL, /* private data */ + alloc_texmat_data, + free_texmat_data, /* destructor */ + NULL, + run_texmat_stage, +}; diff --git a/mesalib/src/mesa/tnl/t_vb_vertex.c b/mesalib/src/mesa/tnl/t_vb_vertex.c index a77959410..26e8ae065 100644 --- a/mesalib/src/mesa/tnl/t_vb_vertex.c +++ b/mesalib/src/mesa/tnl/t_vb_vertex.c @@ -1,283 +1,283 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2006 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> - */ - - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/imports.h" -#include "main/mtypes.h" - -#include "math/m_xform.h" - -#include "t_context.h" -#include "t_pipeline.h" - - - -struct vertex_stage_data { - GLvector4f eye; - GLvector4f clip; - GLvector4f proj; - GLubyte *clipmask; - GLubyte ormask; - GLubyte andmask; -}; - -#define VERTEX_STAGE_DATA(stage) ((struct vertex_stage_data *)stage->privatePtr) - - - - -/* This function implements cliptesting for user-defined clip planes. - * The clipping of primitives to these planes is implemented in - * t_render_clip.h. - */ -#define USER_CLIPTEST(NAME, SZ) \ -static void NAME( struct gl_context *ctx, \ - GLvector4f *clip, \ - GLubyte *clipmask, \ - GLubyte *clipormask, \ - GLubyte *clipandmask ) \ -{ \ - GLuint p; \ - \ - for (p = 0; p < ctx->Const.MaxClipPlanes; p++) \ - if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { \ - GLuint nr, i; \ - const GLfloat a = ctx->Transform._ClipUserPlane[p][0]; \ - const GLfloat b = ctx->Transform._ClipUserPlane[p][1]; \ - const GLfloat c = ctx->Transform._ClipUserPlane[p][2]; \ - const GLfloat d = ctx->Transform._ClipUserPlane[p][3]; \ - GLfloat *coord = (GLfloat *)clip->data; \ - GLuint stride = clip->stride; \ - GLuint count = clip->count; \ - \ - for (nr = 0, i = 0 ; i < count ; i++) { \ - GLfloat dp = coord[0] * a + coord[1] * b; \ - if (SZ > 2) dp += coord[2] * c; \ - if (SZ > 3) dp += coord[3] * d; else dp += d; \ - \ - if (dp < 0) { \ - nr++; \ - clipmask[i] |= CLIP_USER_BIT; \ - } \ - \ - STRIDE_F(coord, stride); \ - } \ - \ - if (nr > 0) { \ - *clipormask |= CLIP_USER_BIT; \ - if (nr == count) { \ - *clipandmask |= CLIP_USER_BIT; \ - return; \ - } \ - } \ - } \ -} - - -USER_CLIPTEST(userclip2, 2) -USER_CLIPTEST(userclip3, 3) -USER_CLIPTEST(userclip4, 4) - -static void (*(usercliptab[5]))( struct gl_context *, - GLvector4f *, GLubyte *, - GLubyte *, GLubyte * ) = -{ - NULL, - NULL, - userclip2, - userclip3, - userclip4 -}; - - -void -tnl_clip_prepare(struct gl_context *ctx) -{ - /* Neither the x86 nor sparc asm cliptest functions have been updated - * for ARB_depth_clamp, so force the C paths. - */ - if (ctx->Transform.DepthClamp) { - static GLboolean c_funcs_installed = GL_FALSE; - if (!c_funcs_installed) { - init_c_cliptest(); - c_funcs_installed = GL_TRUE; - } - } -} - - - -static GLboolean run_vertex_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_stage_data *store = (struct vertex_stage_data *)stage->privatePtr; - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - - if (ctx->VertexProgram._Current) - return GL_TRUE; - - tnl_clip_prepare(ctx); - - if (ctx->_NeedEyeCoords) { - /* Separate modelview transformation: - * Use combined ModelProject to avoid some depth artifacts - */ - if (ctx->ModelviewMatrixStack.Top->type == MATRIX_IDENTITY) - VB->EyePtr = VB->AttribPtr[_TNL_ATTRIB_POS]; - else - VB->EyePtr = TransformRaw( &store->eye, - ctx->ModelviewMatrixStack.Top, - VB->AttribPtr[_TNL_ATTRIB_POS]); - } - - VB->ClipPtr = TransformRaw( &store->clip, - &ctx->_ModelProjectMatrix, - VB->AttribPtr[_TNL_ATTRIB_POS] ); - - /* Drivers expect this to be clean to element 4... - */ - switch (VB->ClipPtr->size) { - case 1: - /* impossible */ - case 2: - _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 ); - /* fall-through */ - case 3: - _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 ); - /* fall-through */ - case 4: - break; - } - - - /* Cliptest and perspective divide. Clip functions must clear - * the clipmask. - */ - store->ormask = 0; - store->andmask = CLIP_FRUSTUM_BITS; - - if (tnl->NeedNdcCoords) { - VB->NdcPtr = - _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr, - &store->proj, - store->clipmask, - &store->ormask, - &store->andmask, - !ctx->Transform.DepthClamp ); - } - else { - VB->NdcPtr = NULL; - _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr, - NULL, - store->clipmask, - &store->ormask, - &store->andmask, - !ctx->Transform.DepthClamp ); - } - - if (store->andmask) - return GL_FALSE; - - - /* Test userclip planes. This contributes to VB->ClipMask, so - * is essentially required to be in this stage. - */ - if (ctx->Transform.ClipPlanesEnabled) { - usercliptab[VB->ClipPtr->size]( ctx, - VB->ClipPtr, - store->clipmask, - &store->ormask, - &store->andmask ); - - if (store->andmask) - return GL_FALSE; - } - - VB->ClipAndMask = store->andmask; - VB->ClipOrMask = store->ormask; - VB->ClipMask = store->clipmask; - - return GL_TRUE; -} - - -static GLboolean init_vertex_stage( struct gl_context *ctx, - struct tnl_pipeline_stage *stage ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct vertex_stage_data *store; - GLuint size = VB->Size; - - stage->privatePtr = CALLOC(sizeof(*store)); - store = VERTEX_STAGE_DATA(stage); - if (!store) - return GL_FALSE; - - _mesa_vector4f_alloc( &store->eye, 0, size, 32 ); - _mesa_vector4f_alloc( &store->clip, 0, size, 32 ); - _mesa_vector4f_alloc( &store->proj, 0, size, 32 ); - - store->clipmask = (GLubyte *) _mesa_align_malloc(sizeof(GLubyte)*size, 32 ); - - if (!store->clipmask || - !store->eye.data || - !store->clip.data || - !store->proj.data) - return GL_FALSE; - - return GL_TRUE; -} - -static void dtr( struct tnl_pipeline_stage *stage ) -{ - struct vertex_stage_data *store = VERTEX_STAGE_DATA(stage); - - if (store) { - _mesa_vector4f_free( &store->eye ); - _mesa_vector4f_free( &store->clip ); - _mesa_vector4f_free( &store->proj ); - _mesa_align_free( store->clipmask ); - FREE(store); - stage->privatePtr = NULL; - stage->run = init_vertex_stage; - } -} - - -const struct tnl_pipeline_stage _tnl_vertex_transform_stage = -{ - "modelview/project/cliptest/divide", - NULL, /* private data */ - init_vertex_stage, - dtr, /* destructor */ - NULL, - run_vertex_stage /* run -- initially set to init */ -}; +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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> + */ + + +#include "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + + + +struct vertex_stage_data { + GLvector4f eye; + GLvector4f clip; + GLvector4f proj; + GLubyte *clipmask; + GLubyte ormask; + GLubyte andmask; +}; + +#define VERTEX_STAGE_DATA(stage) ((struct vertex_stage_data *)stage->privatePtr) + + + + +/* This function implements cliptesting for user-defined clip planes. + * The clipping of primitives to these planes is implemented in + * t_render_clip.h. + */ +#define USER_CLIPTEST(NAME, SZ) \ +static void NAME( struct gl_context *ctx, \ + GLvector4f *clip, \ + GLubyte *clipmask, \ + GLubyte *clipormask, \ + GLubyte *clipandmask ) \ +{ \ + GLuint p; \ + \ + for (p = 0; p < ctx->Const.MaxClipPlanes; p++) \ + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { \ + GLuint nr, i; \ + const GLfloat a = ctx->Transform._ClipUserPlane[p][0]; \ + const GLfloat b = ctx->Transform._ClipUserPlane[p][1]; \ + const GLfloat c = ctx->Transform._ClipUserPlane[p][2]; \ + const GLfloat d = ctx->Transform._ClipUserPlane[p][3]; \ + GLfloat *coord = (GLfloat *)clip->data; \ + GLuint stride = clip->stride; \ + GLuint count = clip->count; \ + \ + for (nr = 0, i = 0 ; i < count ; i++) { \ + GLfloat dp = coord[0] * a + coord[1] * b; \ + if (SZ > 2) dp += coord[2] * c; \ + if (SZ > 3) dp += coord[3] * d; else dp += d; \ + \ + if (dp < 0) { \ + nr++; \ + clipmask[i] |= CLIP_USER_BIT; \ + } \ + \ + STRIDE_F(coord, stride); \ + } \ + \ + if (nr > 0) { \ + *clipormask |= CLIP_USER_BIT; \ + if (nr == count) { \ + *clipandmask |= CLIP_USER_BIT; \ + return; \ + } \ + } \ + } \ +} + + +USER_CLIPTEST(userclip2, 2) +USER_CLIPTEST(userclip3, 3) +USER_CLIPTEST(userclip4, 4) + +static void (*(usercliptab[5]))( struct gl_context *, + GLvector4f *, GLubyte *, + GLubyte *, GLubyte * ) = +{ + NULL, + NULL, + userclip2, + userclip3, + userclip4 +}; + + +void +tnl_clip_prepare(struct gl_context *ctx) +{ + /* Neither the x86 nor sparc asm cliptest functions have been updated + * for ARB_depth_clamp, so force the C paths. + */ + if (ctx->Transform.DepthClamp) { + static GLboolean c_funcs_installed = GL_FALSE; + if (!c_funcs_installed) { + init_c_cliptest(); + c_funcs_installed = GL_TRUE; + } + } +} + + + +static GLboolean run_vertex_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_stage_data *store = (struct vertex_stage_data *)stage->privatePtr; + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + + if (ctx->VertexProgram._Current) + return GL_TRUE; + + tnl_clip_prepare(ctx); + + if (ctx->_NeedEyeCoords) { + /* Separate modelview transformation: + * Use combined ModelProject to avoid some depth artifacts + */ + if (ctx->ModelviewMatrixStack.Top->type == MATRIX_IDENTITY) + VB->EyePtr = VB->AttribPtr[_TNL_ATTRIB_POS]; + else + VB->EyePtr = TransformRaw( &store->eye, + ctx->ModelviewMatrixStack.Top, + VB->AttribPtr[_TNL_ATTRIB_POS]); + } + + VB->ClipPtr = TransformRaw( &store->clip, + &ctx->_ModelProjectMatrix, + VB->AttribPtr[_TNL_ATTRIB_POS] ); + + /* Drivers expect this to be clean to element 4... + */ + switch (VB->ClipPtr->size) { + case 1: + /* impossible */ + case 2: + _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 ); + /* fall-through */ + case 3: + _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 ); + /* fall-through */ + case 4: + break; + } + + + /* Cliptest and perspective divide. Clip functions must clear + * the clipmask. + */ + store->ormask = 0; + store->andmask = CLIP_FRUSTUM_BITS; + + if (tnl->NeedNdcCoords) { + VB->NdcPtr = + _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr, + &store->proj, + store->clipmask, + &store->ormask, + &store->andmask, + !ctx->Transform.DepthClamp ); + } + else { + VB->NdcPtr = NULL; + _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr, + NULL, + store->clipmask, + &store->ormask, + &store->andmask, + !ctx->Transform.DepthClamp ); + } + + if (store->andmask) + return GL_FALSE; + + + /* Test userclip planes. This contributes to VB->ClipMask, so + * is essentially required to be in this stage. + */ + if (ctx->Transform.ClipPlanesEnabled) { + usercliptab[VB->ClipPtr->size]( ctx, + VB->ClipPtr, + store->clipmask, + &store->ormask, + &store->andmask ); + + if (store->andmask) + return GL_FALSE; + } + + VB->ClipAndMask = store->andmask; + VB->ClipOrMask = store->ormask; + VB->ClipMask = store->clipmask; + + return GL_TRUE; +} + + +static GLboolean init_vertex_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct vertex_stage_data *store; + GLuint size = VB->Size; + + stage->privatePtr = CALLOC(sizeof(*store)); + store = VERTEX_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + _mesa_vector4f_alloc( &store->eye, 0, size, 32 ); + _mesa_vector4f_alloc( &store->clip, 0, size, 32 ); + _mesa_vector4f_alloc( &store->proj, 0, size, 32 ); + + store->clipmask = (GLubyte *) _mesa_align_malloc(sizeof(GLubyte)*size, 32 ); + + if (!store->clipmask || + !store->eye.data || + !store->clip.data || + !store->proj.data) + return GL_FALSE; + + return GL_TRUE; +} + +static void dtr( struct tnl_pipeline_stage *stage ) +{ + struct vertex_stage_data *store = VERTEX_STAGE_DATA(stage); + + if (store) { + _mesa_vector4f_free( &store->eye ); + _mesa_vector4f_free( &store->clip ); + _mesa_vector4f_free( &store->proj ); + _mesa_align_free( store->clipmask ); + FREE(store); + stage->privatePtr = NULL; + stage->run = init_vertex_stage; + } +} + + +const struct tnl_pipeline_stage _tnl_vertex_transform_stage = +{ + "modelview/project/cliptest/divide", + NULL, /* private data */ + init_vertex_stage, + dtr, /* destructor */ + NULL, + run_vertex_stage /* run -- initially set to init */ +}; diff --git a/mesalib/src/mesa/tnl/t_vertex.h b/mesalib/src/mesa/tnl/t_vertex.h index bdbc88aff..83b0dbceb 100644 --- a/mesalib/src/mesa/tnl/t_vertex.h +++ b/mesalib/src/mesa/tnl/t_vertex.h @@ -1,184 +1,184 @@ -/* - * Copyright 2003 Tungsten Graphics, inc. - * 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 - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, 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 (including the next - * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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 <keithw@tungstengraphics.com> - */ - -#ifndef _TNL_VERTEX_H -#define _TNL_VERTEX_H - -#include "main/glheader.h" -#include "t_context.h" - -struct gl_context; -struct tnl_clipspace; - -/* New mechanism to specify hardware vertices so that tnl can build - * and manipulate them directly. - */ - - -/* It will probably be necessary to allow drivers to specify new - * emit-styles to cover all the wierd and wacky things out there. - */ -enum tnl_attr_format { - EMIT_1F, - EMIT_2F, - EMIT_3F, - EMIT_4F, - EMIT_2F_VIEWPORT, /* do viewport transform and emit */ - EMIT_3F_VIEWPORT, /* do viewport transform and emit */ - EMIT_4F_VIEWPORT, /* do viewport transform and emit */ - EMIT_3F_XYW, /* for projective texture */ - EMIT_1UB_1F, /* for fog coordinate */ - EMIT_3UB_3F_RGB, /* for specular color */ - EMIT_3UB_3F_BGR, /* for specular color */ - EMIT_4UB_4F_RGBA, /* for color */ - EMIT_4UB_4F_BGRA, /* for color */ - EMIT_4UB_4F_ARGB, /* for color */ - EMIT_4UB_4F_ABGR, /* for color */ - EMIT_4CHAN_4F_RGBA, /* for swrast color */ - EMIT_PAD, /* leave a hole of 'offset' bytes */ - EMIT_MAX -}; - -struct tnl_attr_map { - GLuint attrib; /* _TNL_ATTRIB_ enum */ - enum tnl_attr_format format; - GLuint offset; -}; - -struct tnl_format_info { - const char *name; - tnl_extract_func extract; - tnl_insert_func insert[4]; - const GLuint attrsize; -}; - -extern const struct tnl_format_info _tnl_format_info[EMIT_MAX]; - - -/* Interpolate between two vertices to produce a third: - */ -extern void _tnl_interp( struct gl_context *ctx, - GLfloat t, - GLuint edst, GLuint eout, GLuint ein, - GLboolean force_boundary ); - -/* Copy colors from one vertex to another: - */ -extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc ); - - -/* Extract a named attribute from a hardware vertex. Will have to - * reverse any viewport transformation, swizzling or other conversions - * which may have been applied: - */ -extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib, - GLfloat *dest ); - -/* Complementary to the above. - */ -extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib, - const GLfloat *src ); - - -extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr ); - -extern GLuint _tnl_install_attrs( struct gl_context *ctx, - const struct tnl_attr_map *map, - GLuint nr, const GLfloat *vp, - GLuint unpacked_size ); - -extern void _tnl_free_vertices( struct gl_context *ctx ); - -extern void _tnl_init_vertices( struct gl_context *ctx, - GLuint vb_size, - GLuint max_vertex_size ); - -extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx, - GLuint start, - GLuint end, - void *dest ); - -/* This function isn't optimal. Check out - * gallium/auxilary/translate for a more comprehensive implementation of - * the same functionality. - */ - -extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx, - const GLuint *elts, - GLuint start, - GLuint end, - void *dest ); - - -extern void _tnl_build_vertices( struct gl_context *ctx, - GLuint start, - GLuint end, - GLuint newinputs ); - -extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs ); - -extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state ); - -extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx ); - - -#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace) - -/* Internal function: - */ -void _tnl_register_fastpath( struct tnl_clipspace *vtx, - GLboolean match_strides ); - - -/* t_vertex_generic.c -- Internal functions for t_vertex.c - */ -void _tnl_generic_copy_pv_extras( struct gl_context *ctx, - GLuint dst, GLuint src ); - -void _tnl_generic_interp_extras( struct gl_context *ctx, - GLfloat t, - GLuint dst, GLuint out, GLuint in, - GLboolean force_boundary ); - -void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc ); - -void _tnl_generic_interp( struct gl_context *ctx, - GLfloat t, - GLuint edst, GLuint eout, GLuint ein, - GLboolean force_boundary ); - -void _tnl_generic_emit( struct gl_context *ctx, - GLuint count, - GLubyte *v ); - -void _tnl_generate_hardwired_emit( struct gl_context *ctx ); - -/* t_vertex_sse.c -- Internal functions for t_vertex.c - */ -void _tnl_generate_sse_emit( struct gl_context *ctx ); - -#endif +/* + * Copyright 2003 Tungsten Graphics, inc. + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 (including the next + * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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 <keithw@tungstengraphics.com> + */ + +#ifndef _TNL_VERTEX_H +#define _TNL_VERTEX_H + +#include "main/glheader.h" +#include "t_context.h" + +struct gl_context; +struct tnl_clipspace; + +/* New mechanism to specify hardware vertices so that tnl can build + * and manipulate them directly. + */ + + +/* It will probably be necessary to allow drivers to specify new + * emit-styles to cover all the wierd and wacky things out there. + */ +enum tnl_attr_format { + EMIT_1F, + EMIT_2F, + EMIT_3F, + EMIT_4F, + EMIT_2F_VIEWPORT, /* do viewport transform and emit */ + EMIT_3F_VIEWPORT, /* do viewport transform and emit */ + EMIT_4F_VIEWPORT, /* do viewport transform and emit */ + EMIT_3F_XYW, /* for projective texture */ + EMIT_1UB_1F, /* for fog coordinate */ + EMIT_3UB_3F_RGB, /* for specular color */ + EMIT_3UB_3F_BGR, /* for specular color */ + EMIT_4UB_4F_RGBA, /* for color */ + EMIT_4UB_4F_BGRA, /* for color */ + EMIT_4UB_4F_ARGB, /* for color */ + EMIT_4UB_4F_ABGR, /* for color */ + EMIT_4CHAN_4F_RGBA, /* for swrast color */ + EMIT_PAD, /* leave a hole of 'offset' bytes */ + EMIT_MAX +}; + +struct tnl_attr_map { + GLuint attrib; /* _TNL_ATTRIB_ enum */ + enum tnl_attr_format format; + GLuint offset; +}; + +struct tnl_format_info { + const char *name; + tnl_extract_func extract; + tnl_insert_func insert[4]; + const GLuint attrsize; +}; + +extern const struct tnl_format_info _tnl_format_info[EMIT_MAX]; + + +/* Interpolate between two vertices to produce a third: + */ +extern void _tnl_interp( struct gl_context *ctx, + GLfloat t, + GLuint edst, GLuint eout, GLuint ein, + GLboolean force_boundary ); + +/* Copy colors from one vertex to another: + */ +extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc ); + + +/* Extract a named attribute from a hardware vertex. Will have to + * reverse any viewport transformation, swizzling or other conversions + * which may have been applied: + */ +extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib, + GLfloat *dest ); + +/* Complementary to the above. + */ +extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib, + const GLfloat *src ); + + +extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr ); + +extern GLuint _tnl_install_attrs( struct gl_context *ctx, + const struct tnl_attr_map *map, + GLuint nr, const GLfloat *vp, + GLuint unpacked_size ); + +extern void _tnl_free_vertices( struct gl_context *ctx ); + +extern void _tnl_init_vertices( struct gl_context *ctx, + GLuint vb_size, + GLuint max_vertex_size ); + +extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx, + GLuint start, + GLuint end, + void *dest ); + +/* This function isn't optimal. Check out + * gallium/auxilary/translate for a more comprehensive implementation of + * the same functionality. + */ + +extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx, + const GLuint *elts, + GLuint start, + GLuint end, + void *dest ); + + +extern void _tnl_build_vertices( struct gl_context *ctx, + GLuint start, + GLuint end, + GLuint newinputs ); + +extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs ); + +extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state ); + +extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx ); + + +#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace) + +/* Internal function: + */ +void _tnl_register_fastpath( struct tnl_clipspace *vtx, + GLboolean match_strides ); + + +/* t_vertex_generic.c -- Internal functions for t_vertex.c + */ +void _tnl_generic_copy_pv_extras( struct gl_context *ctx, + GLuint dst, GLuint src ); + +void _tnl_generic_interp_extras( struct gl_context *ctx, + GLfloat t, + GLuint dst, GLuint out, GLuint in, + GLboolean force_boundary ); + +void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc ); + +void _tnl_generic_interp( struct gl_context *ctx, + GLfloat t, + GLuint edst, GLuint eout, GLuint ein, + GLboolean force_boundary ); + +void _tnl_generic_emit( struct gl_context *ctx, + GLuint count, + GLubyte *v ); + +void _tnl_generate_hardwired_emit( struct gl_context *ctx ); + +/* t_vertex_sse.c -- Internal functions for t_vertex.c + */ +void _tnl_generate_sse_emit( struct gl_context *ctx ); + +#endif diff --git a/mesalib/src/mesa/tnl/t_vp_build.c b/mesalib/src/mesa/tnl/t_vp_build.c index 913cba676..70492a435 100644 --- a/mesalib/src/mesa/tnl/t_vp_build.c +++ b/mesalib/src/mesa/tnl/t_vp_build.c @@ -1,60 +1,60 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 2007 Tungsten Graphics 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 - * TUNGSTEN GRAPHICS 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 t_vp_build.c - * Create a vertex program to execute the current fixed function T&L pipeline. - * \author Keith Whitwell - */ - - -#include "main/glheader.h" -#include "main/ffvertex_prog.h" -#include "main/mtypes.h" -#include "t_vp_build.h" - - -/** - * XXX This should go away someday, but still referenced by some drivers... - */ -void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx ) -{ - const struct gl_vertex_program *prev = ctx->VertexProgram._Current; - - if (!ctx->VertexProgram._Current || - ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) { - ctx->VertexProgram._Current - = ctx->VertexProgram._TnlProgram - = _mesa_get_fixed_func_vertex_program(ctx); - } - - /* Tell the driver about the change. Could define a new target for - * this? - */ - if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) { - ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, - (struct gl_program *) ctx->VertexProgram._Current); - } -} +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 2007 Tungsten Graphics 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 + * TUNGSTEN GRAPHICS 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 t_vp_build.c + * Create a vertex program to execute the current fixed function T&L pipeline. + * \author Keith Whitwell + */ + + +#include "main/glheader.h" +#include "main/ffvertex_prog.h" +#include "main/mtypes.h" +#include "t_vp_build.h" + + +/** + * XXX This should go away someday, but still referenced by some drivers... + */ +void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx ) +{ + const struct gl_vertex_program *prev = ctx->VertexProgram._Current; + + if (!ctx->VertexProgram._Current || + ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) { + ctx->VertexProgram._Current + = ctx->VertexProgram._TnlProgram + = _mesa_get_fixed_func_vertex_program(ctx); + } + + /* Tell the driver about the change. Could define a new target for + * this? + */ + if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) { + ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, + (struct gl_program *) ctx->VertexProgram._Current); + } +} diff --git a/mesalib/src/mesa/tnl/t_vp_build.h b/mesalib/src/mesa/tnl/t_vp_build.h index 6cba2ce5a..e9f6de5a9 100644 --- a/mesalib/src/mesa/tnl/t_vp_build.h +++ b/mesalib/src/mesa/tnl/t_vp_build.h @@ -1,42 +1,42 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 2005 Tungsten Graphics 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 - * TUNGSTEN GRAPHICS 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 T_VP_BUILD_H -#define T_VP_BUILD_H - -struct gl_context; - -#define TNL_FIXED_FUNCTION_STATE_FLAGS (_NEW_PROGRAM | \ - _NEW_LIGHT | \ - _NEW_TEXTURE | \ - _NEW_TEXTURE_MATRIX | \ - _NEW_TRANSFORM | \ - _NEW_FOG | \ - _NEW_POINT) - -extern void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx ); - -#endif +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 2005 Tungsten Graphics 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 + * TUNGSTEN GRAPHICS 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 T_VP_BUILD_H +#define T_VP_BUILD_H + +struct gl_context; + +#define TNL_FIXED_FUNCTION_STATE_FLAGS (_NEW_PROGRAM | \ + _NEW_LIGHT | \ + _NEW_TEXTURE | \ + _NEW_TEXTURE_MATRIX | \ + _NEW_TRANSFORM | \ + _NEW_FOG | \ + _NEW_POINT) + +extern void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx ); + +#endif -- cgit v1.2.3