1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Version: 7.3 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \file state.c 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * State management. 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This file manages recalculation of derived values in struct gl_context. 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "glheader.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "mtypes.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "arrayobj.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "context.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "debug.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "macros.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "ffvertex_prog.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "framebuffer.h" 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "light.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "matrix.h" 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pixel.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "program/program.h" 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "program/prog_parameter.h" 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "shaderobj.h" 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "state.h" 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "stencil.h" 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "texenvprogram.h" 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "texobj.h" 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "texstate.h" 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "varray.h" 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_separate_specular(struct gl_context *ctx) 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (_mesa_need_secondary_color(ctx)) 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the following fields: 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ctx->VertexProgram._Enabled 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ctx->FragmentProgram._Enabled 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ctx->ATIFragmentShader._Enabled 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This needs to be done before texture state validation. 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_program_enables(struct gl_context *ctx) 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* These _Enabled flags indicate if the user-defined ARB/NV vertex/fragment 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * program is enabled AND valid. Similarly for ATI fragment shaders. 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * GLSL shaders not relevant here. 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && ctx->VertexProgram.Current->Base.Instructions; 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && ctx->FragmentProgram.Current->Base.Instructions; 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && ctx->ATIFragmentShader.Current->Instructions[0]; 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->Vertex/Geometry/FragmentProgram._Current pointers to point 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to the current/active programs. Then call ctx->Driver.BindProgram() to 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * tell the driver which programs to use. 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Programs may come from 3 sources: GLSL shaders, ARB/NV_vertex/fragment 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * programs or programs derived from fixed-function state. 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This function needs to be called after texture state validation in case 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * we're generating a fragment program from fixed-function texture state. 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \return bitfield which will indicate _NEW_PROGRAM state if a new vertex 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * or fragment program is being used. 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLbitfield 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_program(struct gl_context *ctx) 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_shader_program *vsProg = ctx->Shader.CurrentVertexProgram; 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_shader_program *gsProg = ctx->Shader.CurrentGeometryProgram; 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield new_state = 0x0; 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set the ctx->VertexProgram._Current and ctx->FragmentProgram._Current 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * pointers to the programs that should be used for rendering. If either 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * is NULL, use fixed-function code paths. 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * These programs may come from several sources. The priority is as 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * follows: 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1. OpenGL 2.0/ARB vertex/fragment shaders 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 2. ARB/NV vertex/fragment programs 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3. Programs derived from fixed-function state. 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Note: it's possible for a vertex shader to get used with a fragment 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * program (and vice versa) here, but in practice that shouldn't ever 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * come up, or matter. 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (fsProg && fsProg->LinkStatus 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && fsProg->_LinkedShaders[MESA_SHADER_FRAGMENT]) { 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use GLSL fragment shader */ 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_shader_program(ctx, 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &ctx->Shader._CurrentFragmentProgram, 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fsProg); 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_fragment_program(fsProg->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program)); 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL); 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (ctx->FragmentProgram._Enabled) { 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use user-defined fragment program */ 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_shader_program(ctx, 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &ctx->Shader._CurrentFragmentProgram, 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL); 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->FragmentProgram.Current); 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL); 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (ctx->FragmentProgram._MaintainTexEnvProgram) { 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use fragment program generated from fixed-function state */ 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_shader_program *f = _mesa_get_fixed_func_fragment_program(ctx); 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_shader_program(ctx, 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &ctx->Shader._CurrentFragmentProgram, 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org f); 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_fragment_program(f->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program)); 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_fragment_program(f->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program)); 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* No fragment program */ 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL); 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (gsProg && gsProg->LinkStatus 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && gsProg->_LinkedShaders[MESA_SHADER_GEOMETRY]) { 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use GLSL geometry shader */ 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_geometry_program(gsProg->_LinkedShaders[MESA_SHADER_GEOMETRY]->Program)); 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* No geometry program */ 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL); 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Examine vertex program after fragment program as 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * _mesa_get_fixed_func_vertex_program() needs to know active 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * fragprog inputs. 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (vsProg && vsProg->LinkStatus 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && vsProg->_LinkedShaders[MESA_SHADER_VERTEX]) { 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use GLSL vertex shader */ 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_vertex_program(vsProg->_LinkedShaders[MESA_SHADER_VERTEX]->Program)); 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (ctx->VertexProgram._Enabled) { 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use user-defined vertex program */ 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram.Current); 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (ctx->VertexProgram._MaintainTnlProgram) { 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use vertex program generated from fixed-function state */ 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_get_fixed_func_vertex_program(ctx)); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._Current); 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* no vertex program */ 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Let the driver know what's happening: 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->FragmentProgram._Current != prevFP) { 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM; 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Driver.BindProgram) { 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (struct gl_program *) ctx->FragmentProgram._Current); 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->GeometryProgram._Current != prevGP) { 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM; 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Driver.BindProgram) { 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Driver.BindProgram(ctx, MESA_GEOMETRY_PROGRAM, 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (struct gl_program *) ctx->GeometryProgram._Current); 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->VertexProgram._Current != prevVP) { 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM; 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Driver.BindProgram) { 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (struct gl_program *) ctx->VertexProgram._Current); 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return new_state; 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Examine shader constants and return either _NEW_PROGRAM_CONSTANTS or 0. 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLbitfield 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_program_constants(struct gl_context *ctx) 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield new_state = 0x0; 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->FragmentProgram._Current) { 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_program_parameter_list *params = 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->FragmentProgram._Current->Base.Parameters; 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (params && params->StateFlags & ctx->NewState) { 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM_CONSTANTS; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->GeometryProgram._Current) { 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_program_parameter_list *params = 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->GeometryProgram._Current->Base.Parameters; 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*FIXME: StateFlags is always 0 because we have unnamed constant 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * not state changes */ 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (params /*&& params->StateFlags & ctx->NewState*/) { 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM_CONSTANTS; 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->VertexProgram._Current) { 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_program_parameter_list *params = 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._Current->Base.Parameters; 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (params && params->StateFlags & ctx->NewState) { 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state |= _NEW_PROGRAM_CONSTANTS; 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return new_state; 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_viewport_matrix(struct gl_context *ctx) 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF; 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ASSERT(depthMax > 0); 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Compute scale and bias values. This is really driver-specific 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and should be maintained elsewhere if at all. 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * NOTE: RasterPos uses this. 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _math_matrix_viewport(&ctx->Viewport._WindowMap, 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Viewport.X, ctx->Viewport.Y, 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Viewport.Width, ctx->Viewport.Height, 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Viewport.Near, ctx->Viewport.Far, 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depthMax); 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update derived multisample state. 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_multisample(struct gl_context *ctx) 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Multisample._Enabled = GL_FALSE; 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Multisample.Enabled && 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->DrawBuffer && 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->DrawBuffer->Visual.sampleBuffers) 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Multisample._Enabled = GL_TRUE; 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->Color._ClampFragmentColor field 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_clamp_fragment_color(struct gl_context *ctx) 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Color.ClampFragmentColor == GL_FIXED_ONLY_ARB) 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color._ClampFragmentColor = 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode; 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color._ClampFragmentColor = ctx->Color.ClampFragmentColor; 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->Color._ClampVertexColor field 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_clamp_vertex_color(struct gl_context *ctx) 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Light.ClampVertexColor == GL_FIXED_ONLY_ARB) 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Light._ClampVertexColor = 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode; 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Light._ClampVertexColor = ctx->Light.ClampVertexColor; 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->Color._ClampReadColor field 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_clamp_read_color(struct gl_context *ctx) 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB) 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color._ClampReadColor = 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !ctx->ReadBuffer || !ctx->ReadBuffer->Visual.floatMode; 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color._ClampReadColor = ctx->Color.ClampReadColor; 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->VertexProgram._TwoSideEnabled flag. 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_twoside(struct gl_context *ctx) 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Shader.CurrentVertexProgram || 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._Enabled) { 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._TwoSideEnabled = ctx->VertexProgram.TwoSideEnabled; 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._TwoSideEnabled = (ctx->Light.Enabled && 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Light.Model.TwoSide); 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Check polygon state and set DD_TRI_OFFSET 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in ctx->_TriangleCaps if needed. 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_polygon(struct gl_context *ctx) 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps &= ~DD_TRI_OFFSET; 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ( ctx->Polygon.OffsetPoint 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org || ctx->Polygon.OffsetLine 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org || ctx->Polygon.OffsetFill) 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_OFFSET; 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update the ctx->_TriangleCaps bitfield. 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX that bitfield should really go away someday! 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This function must be called after other update_*() functions since 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * there are dependencies on some other derived values. 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if 0 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgupdate_tricaps(struct gl_context *ctx, GLbitfield new_state) 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps = 0; 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Points 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (1/*new_state & _NEW_POINT*/) { 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Point.SmoothFlag) 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_POINT_SMOOTH; 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Point._Attenuated) 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_POINT_ATTEN; 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Lines 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (1/*new_state & _NEW_LINE*/) { 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Line.SmoothFlag) 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_LINE_SMOOTH; 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Line.StippleFlag) 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_LINE_STIPPLE; 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Polygons 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (1/*new_state & _NEW_POLYGON*/) { 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Polygon.SmoothFlag) 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_SMOOTH; 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Polygon.StippleFlag) 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_STIPPLE; 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Polygon.FrontMode != GL_FILL 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org || ctx->Polygon.BackMode != GL_FILL) 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_UNFILLED; 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Polygon.OffsetPoint || 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Polygon.OffsetLine || 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Polygon.OffsetFill) 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_OFFSET; 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Lighting and shading 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE; 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (_mesa_need_secondary_color(ctx)) 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Compute derived GL state. 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If __struct gl_contextRec::NewState is non-zero then this function \b must 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * be called before rendering anything. 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Calls dd_function_table::UpdateState to perform any internal state 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * management necessary. 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \sa _mesa_update_modelview_project(), _mesa_update_texture(), 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * _mesa_update_buffer_bounds(), 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * _mesa_update_lighting() and _mesa_update_tnl_spaces(). 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_update_state_locked( struct gl_context *ctx ) 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield new_state = ctx->NewState; 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield prog_flags = _NEW_PROGRAM; 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield new_prog_state = 0x0; 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state == _NEW_CURRENT_ATTRIB) 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org goto out; 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (MESA_VERBOSE & VERBOSE_STATE) 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_print_state("_mesa_update_state", new_state); 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Determine which state flags effect vertex/fragment program state */ 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->FragmentProgram._MaintainTexEnvProgram) { 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG | 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _NEW_VARYING_VP_INPUTS | _NEW_LIGHT | _NEW_POINT | 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _NEW_RENDERMODE | _NEW_PROGRAM | _NEW_FRAG_CLAMP | 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _NEW_COLOR); 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->VertexProgram._MaintainTnlProgram) { 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org prog_flags |= (_NEW_VARYING_VP_INPUTS | _NEW_TEXTURE | 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _NEW_TEXTURE_MATRIX | _NEW_TRANSFORM | _NEW_POINT | 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _NEW_FOG | _NEW_LIGHT | 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _MESA_NEW_NEED_EYE_COORDS); 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Now update derived state info 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & prog_flags) 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_program_enables( ctx ); 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION)) 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_modelview_project( ctx, new_state ); 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX)) 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_texture( ctx, new_state ); 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _NEW_BUFFERS) 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_framebuffer(ctx); 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT)) 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_draw_buffer_bounds( ctx ); 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _NEW_POLYGON) 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_polygon( ctx ); 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _NEW_LIGHT) 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_lighting( ctx ); 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_LIGHT | _NEW_PROGRAM)) 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_twoside( ctx ); 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_LIGHT | _NEW_BUFFERS)) 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_clamp_vertex_color(ctx); 512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_STENCIL | _NEW_BUFFERS)) 514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_stencil( ctx ); 515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _NEW_PIXEL) 517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_pixel( ctx, new_state ); 518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _MESA_NEW_SEPARATE_SPECULAR) 520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_separate_specular( ctx ); 521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT)) 523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_viewport_matrix(ctx); 524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_MULTISAMPLE | _NEW_BUFFERS)) 526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_multisample( ctx ); 527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_COLOR | _NEW_BUFFERS)) 529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_clamp_read_color(ctx); 530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(new_state & (_NEW_FRAG_CLAMP | _NEW_BUFFERS)) 532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_clamp_fragment_color(ctx); 533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if 0 535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT 536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org | _NEW_STENCIL | _MESA_NEW_SEPARATE_SPECULAR)) 537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org update_tricaps( ctx, new_state ); 538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* ctx->_NeedEyeCoords is now up to date. 541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If the truth value of this variable has changed, update for the 543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * new lighting space and recompute the positions of lights and the 544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * normal transform. 545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If the lighting space hasn't changed, may still need to recompute 547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * light positions & normal transforms for other reasons. 548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & _MESA_NEW_NEED_EYE_COORDS) 550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_tnl_spaces( ctx, new_state ); 551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & prog_flags) { 553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* When we generate programs from fixed-function vertex/fragment state 554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * this call may generate/bind a new program. If so, we need to 555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * propogate the _NEW_PROGRAM flag to the driver. 556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_prog_state |= update_program( ctx ); 558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT)) 561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_array_object_max_element(ctx, ctx->Array.ArrayObj); 562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out: 564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_prog_state |= update_program_constants(ctx); 565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Give the driver a chance to act upon the new_state flags. 568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The driver might plug in different span functions, for example. 569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Also, this is where the driver can invalidate the state of any 570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * active modules (such as swrast_setup, swrast, tnl, etc). 571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set ctx->NewState to zero to avoid recursion if 573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?) 574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_state = ctx->NewState | new_prog_state; 576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->NewState = 0; 577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Driver.UpdateState(ctx, new_state); 578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Array.ArrayObj->NewArrays = 0x0; 579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* This is the usual entrypoint for state updates: 583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_update_state( struct gl_context *ctx ) 586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_lock_context_textures(ctx); 588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_state_locked(ctx); 589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_unlock_context_textures(ctx); 590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Want to figure out which fragment program inputs are actually 597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * constant/current values from ctx->Current. These should be 598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * referenced as a tracked state variable rather than a fragment 599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * program input, to save the overhead of putting a constant value in 600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * every submitted vertex, transferring it to hardware, interpolating 601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * it across the triangle, etc... 602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * When there is a VP bound, just use vp->outputs. But when we're 604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * generating vp from fixed function state, basically want to 605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * calculate: 606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * vp_out_2_fp_in( vp_in_2_vp_out( varying_inputs ) | 608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * potential_vp_outputs ) 609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Where potential_vp_outputs is calculated by looking at enabled 611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * texgen, etc. 612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The generated fragment program should then only declare inputs that 614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * may vary or otherwise differ from the ctx->Current values. 615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Otherwise, the fp should track them as state values instead. 616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_set_varying_vp_inputs( struct gl_context *ctx, 619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield64 varying_inputs ) 620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->varying_vp_inputs != varying_inputs) { 622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->varying_vp_inputs = varying_inputs; 623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Only the fixed-func generated programs need to use the flag 625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and the fixed-func fragment program uses it only if there is also 626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * a fixed-func vertex program, so this only depends on the latter. 627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * It's okay to check the VP pointer here, because this is called after 629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * _mesa_update_state in the vbo module. */ 630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->VertexProgram._TnlProgram || 631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->FragmentProgram._TexEnvProgram) { 632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->NewState |= _NEW_VARYING_VP_INPUTS; 633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*printf("%s %x\n", __FUNCTION__, varying_inputs);*/ 635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Used by drivers to tell core Mesa that the driver is going to 641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * install/ use its own vertex program. In particular, this will 642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * prevent generated fragment programs from using state vars instead 643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of ordinary varyings/inputs. 644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag) 647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->VertexProgram._Overriden != flag) { 649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->VertexProgram._Overriden = flag; 650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Set one of the bits which will trigger fragment program 652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * regeneration: 653f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 654f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->NewState |= _NEW_PROGRAM; 655f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 656f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 657