From fe86e508967bd7b63902928033247e145103f60c Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 28 May 2009 12:31:18 -0600 Subject: [PATCH] mesa: exec/dlist functions for glProvokingVertexEXT() --- src/mesa/main/api_exec.c | 2 ++ src/mesa/main/dlist.c | 33 +++++++++++++++++++++++++++++++++ src/mesa/main/light.c | 37 +++++++++++++++++++++++++++++++++++-- src/mesa/main/light.h | 14 +++++++------- 4 files changed, 77 insertions(+), 9 deletions(-) diff --git a/src/mesa/main/api_exec.c b/src/mesa/main/api_exec.c index 6f66ff47a08..8627fafa3b5 100644 --- a/src/mesa/main/api_exec.c +++ b/src/mesa/main/api_exec.c @@ -641,6 +641,8 @@ _mesa_init_exec_table(struct _glapi_table *exec) /* ???. GL_EXT_depth_bounds_test */ SET_DepthBoundsEXT(exec, _mesa_DepthBoundsEXT); + SET_ProvokingVertexEXT(exec, _mesa_ProvokingVertexEXT); + /* ARB 1. GL_ARB_multitexture */ #if _HAVE_FULL_GL SET_ActiveTextureARB(exec, _mesa_ActiveTextureARB); diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c index dd73a1906b8..016c8481e91 100644 --- a/src/mesa/main/dlist.c +++ b/src/mesa/main/dlist.c @@ -352,6 +352,9 @@ typedef enum OPCODE_EVAL_P1, OPCODE_EVAL_P2, + /* GL_EXT_provoking_vertex */ + OPCODE_PROVOKING_VERTEX, + /* The following three are meta instructions */ OPCODE_ERROR, /* raise compiled-in error */ OPCODE_CONTINUE, @@ -5705,6 +5708,25 @@ save_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, #endif +/** GL_EXT_provoking_vertex */ +static void GLAPIENTRY +save_ProvokingVertexEXT(GLenum mode) +{ + GET_CURRENT_CONTEXT(ctx); + Node *n; + ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx); + n = ALLOC_INSTRUCTION(ctx, OPCODE_PROVOKING_VERTEX, 1); + if (n) { + n[1].e = mode; + } + if (ctx->ExecuteFlag) { + /*CALL_ProvokingVertexEXT(ctx->Exec, (mode));*/ + _mesa_ProvokingVertexEXT(mode); + } +} + + + /** * Save an error-generating command into display list. * @@ -6269,6 +6291,9 @@ execute_list(GLcontext *ctx, GLuint list) case OPCODE_SHADE_MODEL: CALL_ShadeModel(ctx->Exec, (n[1].e)); break; + case OPCODE_PROVOKING_VERTEX: + CALL_ProvokingVertexEXT(ctx->Exec, (n[1].e)); + break; case OPCODE_STENCIL_FUNC: CALL_StencilFunc(ctx->Exec, (n[1].e, n[2].i, n[3].ui)); break; @@ -8238,6 +8263,9 @@ _mesa_init_dlist_table(struct _glapi_table *table) SET_ProgramEnvParameters4fvEXT(table, save_ProgramEnvParameters4fvEXT); SET_ProgramLocalParameters4fvEXT(table, save_ProgramLocalParameters4fvEXT); #endif + + /* 364. GL_EXT_provoking_vertex */ + SET_ProvokingVertexEXT(table, save_ProvokingVertexEXT); } @@ -8474,6 +8502,11 @@ print_list(GLcontext *ctx, GLuint list) _mesa_printf("EVAL_P2 %d %d\n", n[1].i, n[2].i); break; + case OPCODE_PROVOKING_VERTEX: + _mesa_printf("ProvokingVertex %s\n", + _mesa_lookup_enum_by_nr(n[1].ui)); + break; + /* * meta opcodes/commands */ diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index ac604fd12cc..0f0d831feef 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 7.0 + * Version: 7.5 * - * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, 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"), @@ -63,6 +64,37 @@ _mesa_ShadeModel( GLenum mode ) } +/** + * Set the provoking vertex (the vertex which specifies the prim's + * color when flat shading) to either the first or last vertex of the + * triangle or line. + */ +void GLAPIENTRY +_mesa_ProvokingVertexEXT(GLenum mode) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE&VERBOSE_API) + _mesa_debug(ctx, "glProvokingVertexEXT 0x%x\n", mode); + + switch (mode) { + case GL_FIRST_VERTEX_CONVENTION_EXT: + case GL_LAST_VERTEX_CONVENTION_EXT: + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glProvokingVertexEXT(0x%x)", mode); + return; + } + + if (ctx->Light.ProvokingVertex == mode) + return; + + FLUSH_VERTICES(ctx, _NEW_LIGHT); + ctx->Light.ProvokingVertex = mode; +} + + /** * Helper function called by _mesa_Lightfv and _mesa_PopAttrib to set * per-light state. @@ -1348,6 +1380,7 @@ _mesa_init_lighting( GLcontext *ctx ) init_lightmodel( &ctx->Light.Model ); init_material( &ctx->Light.Material ); ctx->Light.ShadeModel = GL_SMOOTH; + ctx->Light.ProvokingVertex = GL_LAST_VERTEX_CONVENTION_EXT; ctx->Light.Enabled = GL_FALSE; ctx->Light.ColorMaterialFace = GL_FRONT_AND_BACK; ctx->Light.ColorMaterialMode = GL_AMBIENT_AND_DIFFUSE; diff --git a/src/mesa/main/light.h b/src/mesa/main/light.h index b97e17b5be4..9c1a5eefadd 100644 --- a/src/mesa/main/light.h +++ b/src/mesa/main/light.h @@ -1,13 +1,9 @@ -/** - * \file light.h - * Lighting. - */ - /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 7.5 * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, 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"), @@ -37,6 +33,10 @@ extern void GLAPIENTRY _mesa_ShadeModel( GLenum mode ); +extern void GLAPIENTRY +_mesa_ProvokingVertexEXT(GLenum mode); + + #if _HAVE_FULL_GL extern void GLAPIENTRY _mesa_ColorMaterial( GLenum face, GLenum mode ); -- 2.30.2