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third_party_mesa3d/src/mesa/main/state.c

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/* $Id: state.c,v 1.12 2000/05/10 22:36:05 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
*
* Copyright (C) 1999-2000 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.
*/
/*
* This file initializes the immediate-mode dispatch table (which may
* be state-dependant) and manages internal Mesa state update.
*/
#ifdef PC_HEADER
#include "all.h"
#else
#include "glheader.h"
#include "accum.h"
#include "alpha.h"
#include "attrib.h"
#include "bitmap.h"
#include "blend.h"
#include "buffers.h"
#include "clip.h"
#include "colortab.h"
#include "context.h"
#include "copypix.h"
#include "cva.h"
#include "depth.h"
#include "dlist.h"
#include "drawpix.h"
#include "enable.h"
#include "eval.h"
#include "get.h"
#include "feedback.h"
#include "fog.h"
#include "hint.h"
#include "imaging.h"
#include "light.h"
#include "lines.h"
#include "logic.h"
#include "masking.h"
#include "matrix.h"
#include "mmath.h"
#include "pipeline.h"
#include "pixel.h"
#include "pixeltex.h"
#include "points.h"
#include "polygon.h"
#include "quads.h"
#include "rastpos.h"
#include "readpix.h"
#include "rect.h"
#include "scissor.h"
#include "shade.h"
#include "state.h"
#include "stencil.h"
#include "teximage.h"
#include "texobj.h"
#include "texstate.h"
#include "texture.h"
#include "triangle.h"
#include "types.h"
#include "varray.h"
#include "vbfill.h"
#include "vbrender.h"
#include "winpos.h"
#endif
static int
generic_noop(void)
{
#ifdef DEBUG
gl_problem(NULL, "undefined function dispatch");
#endif
return 0;
}
void
_mesa_init_no_op_table(struct _glapi_table *table)
{
/* Check to be sure the dispatcher's table is at least as big as Mesa's. */
const GLuint size = sizeof(struct _glapi_table) / sizeof(void *);
assert(_glapi_get_dispatch_table_size() >= size);
{
const GLuint n = _glapi_get_dispatch_table_size();
GLuint i;
void **dispatch = (void **) table;
for (i = 0; i < n; i++) {
dispatch[i] = (void *) generic_noop;
}
}
}
/*
* Initialize the given dispatch table with pointers to Mesa's
* immediate-mode commands.
*/
void
_mesa_init_exec_table(struct _glapi_table *exec)
{
/* first initialize all dispatch slots to no-op */
_mesa_init_no_op_table(exec);
/* load the dispatch slots we understand */
exec->Accum = _mesa_Accum;
exec->AlphaFunc = _mesa_AlphaFunc;
exec->Begin = _mesa_Begin;
exec->Bitmap = _mesa_Bitmap;
exec->BlendFunc = _mesa_BlendFunc;
exec->CallList = _mesa_CallList;
exec->CallLists = _mesa_CallLists;
exec->Clear = _mesa_Clear;
exec->ClearAccum = _mesa_ClearAccum;
exec->ClearColor = _mesa_ClearColor;
exec->ClearDepth = _mesa_ClearDepth;
exec->ClearIndex = _mesa_ClearIndex;
exec->ClearStencil = _mesa_ClearStencil;
exec->ClipPlane = _mesa_ClipPlane;
exec->Color3b = _mesa_Color3b;
exec->Color3bv = _mesa_Color3bv;
exec->Color3d = _mesa_Color3d;
exec->Color3dv = _mesa_Color3dv;
exec->Color3f = _mesa_Color3f;
exec->Color3fv = _mesa_Color3fv;
exec->Color3i = _mesa_Color3i;
exec->Color3iv = _mesa_Color3iv;
exec->Color3s = _mesa_Color3s;
exec->Color3sv = _mesa_Color3sv;
exec->Color3ub = _mesa_Color3ub;
exec->Color3ubv = _mesa_Color3ubv;
exec->Color3ui = _mesa_Color3ui;
exec->Color3uiv = _mesa_Color3uiv;
exec->Color3us = _mesa_Color3us;
exec->Color3usv = _mesa_Color3usv;
exec->Color4b = _mesa_Color4b;
exec->Color4bv = _mesa_Color4bv;
exec->Color4d = _mesa_Color4d;
exec->Color4dv = _mesa_Color4dv;
exec->Color4f = _mesa_Color4f;
exec->Color4fv = _mesa_Color4fv;
exec->Color4i = _mesa_Color4i;
exec->Color4iv = _mesa_Color4iv;
exec->Color4s = _mesa_Color4s;
exec->Color4sv = _mesa_Color4sv;
exec->Color4ub = _mesa_Color4ub;
exec->Color4ubv = _mesa_Color4ubv;
exec->Color4ui = _mesa_Color4ui;
exec->Color4uiv = _mesa_Color4uiv;
exec->Color4us = _mesa_Color4us;
exec->Color4usv = _mesa_Color4usv;
exec->ColorMask = _mesa_ColorMask;
exec->ColorMaterial = _mesa_ColorMaterial;
exec->CopyPixels = _mesa_CopyPixels;
exec->CullFace = _mesa_CullFace;
exec->DeleteLists = _mesa_DeleteLists;
exec->DepthFunc = _mesa_DepthFunc;
exec->DepthMask = _mesa_DepthMask;
exec->DepthRange = _mesa_DepthRange;
exec->Disable = _mesa_Disable;
exec->DrawBuffer = _mesa_DrawBuffer;
exec->DrawPixels = _mesa_DrawPixels;
exec->EdgeFlag = _mesa_EdgeFlag;
exec->EdgeFlagv = _mesa_EdgeFlagv;
exec->Enable = _mesa_Enable;
exec->End = _mesa_End;
exec->EndList = _mesa_EndList;
exec->EvalCoord1d = _mesa_EvalCoord1d;
exec->EvalCoord1dv = _mesa_EvalCoord1dv;
exec->EvalCoord1f = _mesa_EvalCoord1f;
exec->EvalCoord1fv = _mesa_EvalCoord1fv;
exec->EvalCoord2d = _mesa_EvalCoord2d;
exec->EvalCoord2dv = _mesa_EvalCoord2dv;
exec->EvalCoord2f = _mesa_EvalCoord2f;
exec->EvalCoord2fv = _mesa_EvalCoord2fv;
exec->EvalMesh1 = _mesa_EvalMesh1;
exec->EvalMesh2 = _mesa_EvalMesh2;
exec->EvalPoint1 = _mesa_EvalPoint1;
exec->EvalPoint2 = _mesa_EvalPoint2;
exec->FeedbackBuffer = _mesa_FeedbackBuffer;
exec->Finish = _mesa_Finish;
exec->Flush = _mesa_Flush;
exec->Fogf = _mesa_Fogf;
exec->Fogfv = _mesa_Fogfv;
exec->Fogi = _mesa_Fogi;
exec->Fogiv = _mesa_Fogiv;
exec->FrontFace = _mesa_FrontFace;
exec->Frustum = _mesa_Frustum;
exec->GenLists = _mesa_GenLists;
exec->GetBooleanv = _mesa_GetBooleanv;
exec->GetClipPlane = _mesa_GetClipPlane;
exec->GetDoublev = _mesa_GetDoublev;
exec->GetError = _mesa_GetError;
exec->GetFloatv = _mesa_GetFloatv;
exec->GetIntegerv = _mesa_GetIntegerv;
exec->GetLightfv = _mesa_GetLightfv;
exec->GetLightiv = _mesa_GetLightiv;
exec->GetMapdv = _mesa_GetMapdv;
exec->GetMapfv = _mesa_GetMapfv;
exec->GetMapiv = _mesa_GetMapiv;
exec->GetMaterialfv = _mesa_GetMaterialfv;
exec->GetMaterialiv = _mesa_GetMaterialiv;
exec->GetPixelMapfv = _mesa_GetPixelMapfv;
exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
exec->GetPixelMapusv = _mesa_GetPixelMapusv;
exec->GetPolygonStipple = _mesa_GetPolygonStipple;
exec->GetString = _mesa_GetString;
exec->GetTexEnvfv = _mesa_GetTexEnvfv;
exec->GetTexEnviv = _mesa_GetTexEnviv;
exec->GetTexGendv = _mesa_GetTexGendv;
exec->GetTexGenfv = _mesa_GetTexGenfv;
exec->GetTexGeniv = _mesa_GetTexGeniv;
exec->GetTexImage = _mesa_GetTexImage;
exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
exec->GetTexParameterfv = _mesa_GetTexParameterfv;
exec->GetTexParameteriv = _mesa_GetTexParameteriv;
exec->Hint = _mesa_Hint;
exec->IndexMask = _mesa_IndexMask;
exec->Indexd = _mesa_Indexd;
exec->Indexdv = _mesa_Indexdv;
exec->Indexf = _mesa_Indexf;
exec->Indexfv = _mesa_Indexfv;
exec->Indexi = _mesa_Indexi;
exec->Indexiv = _mesa_Indexiv;
exec->Indexs = _mesa_Indexs;
exec->Indexsv = _mesa_Indexsv;
exec->InitNames = _mesa_InitNames;
exec->IsEnabled = _mesa_IsEnabled;
exec->IsList = _mesa_IsList;
exec->LightModelf = _mesa_LightModelf;
exec->LightModelfv = _mesa_LightModelfv;
exec->LightModeli = _mesa_LightModeli;
exec->LightModeliv = _mesa_LightModeliv;
exec->Lightf = _mesa_Lightf;
exec->Lightfv = _mesa_Lightfv;
exec->Lighti = _mesa_Lighti;
exec->Lightiv = _mesa_Lightiv;
exec->LineStipple = _mesa_LineStipple;
exec->LineWidth = _mesa_LineWidth;
exec->ListBase = _mesa_ListBase;
exec->LoadIdentity = _mesa_LoadIdentity;
exec->LoadMatrixd = _mesa_LoadMatrixd;
exec->LoadMatrixf = _mesa_LoadMatrixf;
exec->LoadName = _mesa_LoadName;
exec->LogicOp = _mesa_LogicOp;
exec->Map1d = _mesa_Map1d;
exec->Map1f = _mesa_Map1f;
exec->Map2d = _mesa_Map2d;
exec->Map2f = _mesa_Map2f;
exec->MapGrid1d = _mesa_MapGrid1d;
exec->MapGrid1f = _mesa_MapGrid1f;
exec->MapGrid2d = _mesa_MapGrid2d;
exec->MapGrid2f = _mesa_MapGrid2f;
exec->Materialf = _mesa_Materialf;
exec->Materialfv = _mesa_Materialfv;
exec->Materiali = _mesa_Materiali;
exec->Materialiv = _mesa_Materialiv;
exec->MatrixMode = _mesa_MatrixMode;
exec->MultMatrixd = _mesa_MultMatrixd;
exec->MultMatrixf = _mesa_MultMatrixf;
exec->NewList = _mesa_NewList;
exec->Normal3b = _mesa_Normal3b;
exec->Normal3bv = _mesa_Normal3bv;
exec->Normal3d = _mesa_Normal3d;
exec->Normal3dv = _mesa_Normal3dv;
exec->Normal3f = _mesa_Normal3f;
exec->Normal3fv = _mesa_Normal3fv;
exec->Normal3i = _mesa_Normal3i;
exec->Normal3iv = _mesa_Normal3iv;
exec->Normal3s = _mesa_Normal3s;
exec->Normal3sv = _mesa_Normal3sv;
exec->Ortho = _mesa_Ortho;
exec->PassThrough = _mesa_PassThrough;
exec->PixelMapfv = _mesa_PixelMapfv;
exec->PixelMapuiv = _mesa_PixelMapuiv;
exec->PixelMapusv = _mesa_PixelMapusv;
exec->PixelStoref = _mesa_PixelStoref;
exec->PixelStorei = _mesa_PixelStorei;
exec->PixelTransferf = _mesa_PixelTransferf;
exec->PixelTransferi = _mesa_PixelTransferi;
exec->PixelZoom = _mesa_PixelZoom;
exec->PointSize = _mesa_PointSize;
exec->PolygonMode = _mesa_PolygonMode;
exec->PolygonOffset = _mesa_PolygonOffset;
exec->PolygonStipple = _mesa_PolygonStipple;
exec->PopAttrib = _mesa_PopAttrib;
exec->PopMatrix = _mesa_PopMatrix;
exec->PopName = _mesa_PopName;
exec->PushAttrib = _mesa_PushAttrib;
exec->PushMatrix = _mesa_PushMatrix;
exec->PushName = _mesa_PushName;
exec->RasterPos2d = _mesa_RasterPos2d;
exec->RasterPos2dv = _mesa_RasterPos2dv;
exec->RasterPos2f = _mesa_RasterPos2f;
exec->RasterPos2fv = _mesa_RasterPos2fv;
exec->RasterPos2i = _mesa_RasterPos2i;
exec->RasterPos2iv = _mesa_RasterPos2iv;
exec->RasterPos2s = _mesa_RasterPos2s;
exec->RasterPos2sv = _mesa_RasterPos2sv;
exec->RasterPos3d = _mesa_RasterPos3d;
exec->RasterPos3dv = _mesa_RasterPos3dv;
exec->RasterPos3f = _mesa_RasterPos3f;
exec->RasterPos3fv = _mesa_RasterPos3fv;
exec->RasterPos3i = _mesa_RasterPos3i;
exec->RasterPos3iv = _mesa_RasterPos3iv;
exec->RasterPos3s = _mesa_RasterPos3s;
exec->RasterPos3sv = _mesa_RasterPos3sv;
exec->RasterPos4d = _mesa_RasterPos4d;
exec->RasterPos4dv = _mesa_RasterPos4dv;
exec->RasterPos4f = _mesa_RasterPos4f;
exec->RasterPos4fv = _mesa_RasterPos4fv;
exec->RasterPos4i = _mesa_RasterPos4i;
exec->RasterPos4iv = _mesa_RasterPos4iv;
exec->RasterPos4s = _mesa_RasterPos4s;
exec->RasterPos4sv = _mesa_RasterPos4sv;
exec->ReadBuffer = _mesa_ReadBuffer;
exec->ReadPixels = _mesa_ReadPixels;
exec->Rectd = _mesa_Rectd;
exec->Rectdv = _mesa_Rectdv;
exec->Rectf = _mesa_Rectf;
exec->Rectfv = _mesa_Rectfv;
exec->Recti = _mesa_Recti;
exec->Rectiv = _mesa_Rectiv;
exec->Rects = _mesa_Rects;
exec->Rectsv = _mesa_Rectsv;
exec->RenderMode = _mesa_RenderMode;
exec->Rotated = _mesa_Rotated;
exec->Rotatef = _mesa_Rotatef;
exec->Scaled = _mesa_Scaled;
exec->Scalef = _mesa_Scalef;
exec->Scissor = _mesa_Scissor;
exec->SelectBuffer = _mesa_SelectBuffer;
exec->ShadeModel = _mesa_ShadeModel;
exec->StencilFunc = _mesa_StencilFunc;
exec->StencilMask = _mesa_StencilMask;
exec->StencilOp = _mesa_StencilOp;
exec->TexCoord1d = _mesa_TexCoord1d;
exec->TexCoord1dv = _mesa_TexCoord1dv;
exec->TexCoord1f = _mesa_TexCoord1f;
exec->TexCoord1fv = _mesa_TexCoord1fv;
exec->TexCoord1i = _mesa_TexCoord1i;
exec->TexCoord1iv = _mesa_TexCoord1iv;
exec->TexCoord1s = _mesa_TexCoord1s;
exec->TexCoord1sv = _mesa_TexCoord1sv;
exec->TexCoord2d = _mesa_TexCoord2d;
exec->TexCoord2dv = _mesa_TexCoord2dv;
exec->TexCoord2f = _mesa_TexCoord2f;
exec->TexCoord2fv = _mesa_TexCoord2fv;
exec->TexCoord2i = _mesa_TexCoord2i;
exec->TexCoord2iv = _mesa_TexCoord2iv;
exec->TexCoord2s = _mesa_TexCoord2s;
exec->TexCoord2sv = _mesa_TexCoord2sv;
exec->TexCoord3d = _mesa_TexCoord3d;
exec->TexCoord3dv = _mesa_TexCoord3dv;
exec->TexCoord3f = _mesa_TexCoord3f;
exec->TexCoord3fv = _mesa_TexCoord3fv;
exec->TexCoord3i = _mesa_TexCoord3i;
exec->TexCoord3iv = _mesa_TexCoord3iv;
exec->TexCoord3s = _mesa_TexCoord3s;
exec->TexCoord3sv = _mesa_TexCoord3sv;
exec->TexCoord4d = _mesa_TexCoord4d;
exec->TexCoord4dv = _mesa_TexCoord4dv;
exec->TexCoord4f = _mesa_TexCoord4f;
exec->TexCoord4fv = _mesa_TexCoord4fv;
exec->TexCoord4i = _mesa_TexCoord4i;
exec->TexCoord4iv = _mesa_TexCoord4iv;
exec->TexCoord4s = _mesa_TexCoord4s;
exec->TexCoord4sv = _mesa_TexCoord4sv;
exec->TexEnvf = _mesa_TexEnvf;
exec->TexEnvfv = _mesa_TexEnvfv;
exec->TexEnvi = _mesa_TexEnvi;
exec->TexEnviv = _mesa_TexEnviv;
exec->TexGend = _mesa_TexGend;
exec->TexGendv = _mesa_TexGendv;
exec->TexGenf = _mesa_TexGenf;
exec->TexGenfv = _mesa_TexGenfv;
exec->TexGeni = _mesa_TexGeni;
exec->TexGeniv = _mesa_TexGeniv;
exec->TexImage1D = _mesa_TexImage1D;
exec->TexImage2D = _mesa_TexImage2D;
exec->TexParameterf = _mesa_TexParameterf;
exec->TexParameterfv = _mesa_TexParameterfv;
exec->TexParameteri = _mesa_TexParameteri;
exec->TexParameteriv = _mesa_TexParameteriv;
exec->Translated = _mesa_Translated;
exec->Translatef = _mesa_Translatef;
exec->Vertex2d = _mesa_Vertex2d;
exec->Vertex2dv = _mesa_Vertex2dv;
exec->Vertex2f = _mesa_Vertex2f;
exec->Vertex2fv = _mesa_Vertex2fv;
exec->Vertex2i = _mesa_Vertex2i;
exec->Vertex2iv = _mesa_Vertex2iv;
exec->Vertex2s = _mesa_Vertex2s;
exec->Vertex2sv = _mesa_Vertex2sv;
exec->Vertex3d = _mesa_Vertex3d;
exec->Vertex3dv = _mesa_Vertex3dv;
exec->Vertex3f = _mesa_Vertex3f;
exec->Vertex3fv = _mesa_Vertex3fv;
exec->Vertex3i = _mesa_Vertex3i;
exec->Vertex3iv = _mesa_Vertex3iv;
exec->Vertex3s = _mesa_Vertex3s;
exec->Vertex3sv = _mesa_Vertex3sv;
exec->Vertex4d = _mesa_Vertex4d;
exec->Vertex4dv = _mesa_Vertex4dv;
exec->Vertex4f = _mesa_Vertex4f;
exec->Vertex4fv = _mesa_Vertex4fv;
exec->Vertex4i = _mesa_Vertex4i;
exec->Vertex4iv = _mesa_Vertex4iv;
exec->Vertex4s = _mesa_Vertex4s;
exec->Vertex4sv = _mesa_Vertex4sv;
exec->Viewport = _mesa_Viewport;
/* 1.1 */
exec->AreTexturesResident = _mesa_AreTexturesResident;
exec->ArrayElement = _mesa_ArrayElement;
exec->BindTexture = _mesa_BindTexture;
exec->ColorPointer = _mesa_ColorPointer;
exec->CopyTexImage1D = _mesa_CopyTexImage1D;
exec->CopyTexImage2D = _mesa_CopyTexImage2D;
exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
exec->DeleteTextures = _mesa_DeleteTextures;
exec->DisableClientState = _mesa_DisableClientState;
exec->DrawArrays = _mesa_DrawArrays;
exec->DrawElements = _mesa_DrawElements;
exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
exec->EnableClientState = _mesa_EnableClientState;
exec->GenTextures = _mesa_GenTextures;
exec->GetPointerv = _mesa_GetPointerv;
exec->IndexPointer = _mesa_IndexPointer;
exec->Indexub = _mesa_Indexub;
exec->Indexubv = _mesa_Indexubv;
exec->InterleavedArrays = _mesa_InterleavedArrays;
exec->IsTexture = _mesa_IsTexture;
exec->NormalPointer = _mesa_NormalPointer;
exec->PopClientAttrib = _mesa_PopClientAttrib;
exec->PrioritizeTextures = _mesa_PrioritizeTextures;
exec->PushClientAttrib = _mesa_PushClientAttrib;
exec->TexCoordPointer = _mesa_TexCoordPointer;
exec->TexSubImage1D = _mesa_TexSubImage1D;
exec->TexSubImage2D = _mesa_TexSubImage2D;
exec->VertexPointer = _mesa_VertexPointer;
/* 1.2 */
exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
exec->DrawRangeElements = _mesa_DrawRangeElements;
exec->TexImage3D = _mesa_TexImage3D;
exec->TexSubImage3D = _mesa_TexSubImage3D;
/* OpenGL 1.2 GL_ARB_imaging */
exec->BlendColor = _mesa_BlendColor;
exec->BlendEquation = _mesa_BlendEquation;
exec->ColorSubTable = _mesa_ColorSubTable;
exec->ColorTable = _mesa_ColorTable;
exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
exec->CopyColorSubTable = _mesa_CopyColorSubTable;
exec->CopyColorTable = _mesa_CopyColorTable;
exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
exec->GetColorTable = _mesa_GetColorTable;
exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
exec->GetHistogram = _mesa_GetHistogram;
exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
exec->GetMinmax = _mesa_GetMinmax;
exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
exec->GetSeparableFilter = _mesa_GetSeparableFilter;
exec->Histogram = _mesa_Histogram;
exec->Minmax = _mesa_Minmax;
exec->ResetHistogram = _mesa_ResetHistogram;
exec->ResetMinmax = _mesa_ResetMinmax;
exec->SeparableFilter2D = _mesa_SeparableFilter2D;
/* 2. GL_EXT_blend_color */
#if 0
exec->BlendColorEXT = _mesa_BlendColorEXT;
#endif
/* 3. GL_EXT_polygon_offset */
exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
/* 6. GL_EXT_texture3d */
#if 0
exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D;
exec->TexImage3DEXT = _mesa_TexImage3DEXT;
exec->TexSubImage3DEXT = _mesa_TexSubImage3D;
#endif
/* 11. GL_EXT_histogram */
exec->GetHistogramEXT = _mesa_GetHistogram;
exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
exec->GetMinmaxEXT = _mesa_GetMinmax;
exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
/* ?. GL_SGIX_pixel_texture */
exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX;
/* 15. GL_SGIS_pixel_texture */
exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS;
exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS;
exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS;
exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS;
exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS;
exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS;
/* 37. GL_EXT_blend_minmax */
#if 0
exec->BlendEquationEXT = _mesa_BlendEquationEXT;
#endif
/* 54. GL_EXT_point_parameters */
exec->PointParameterfEXT = _mesa_PointParameterfEXT;
exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
/* 77. GL_PGI_misc_hints */
exec->HintPGI = _mesa_HintPGI;
/* 78. GL_EXT_paletted_texture */
#if 0
exec->ColorTableEXT = _mesa_ColorTableEXT;
exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
#endif
exec->GetColorTableEXT = _mesa_GetColorTable;
exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
/* 97. GL_EXT_compiled_vertex_array */
exec->LockArraysEXT = _mesa_LockArraysEXT;
exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
/* 173. GL_INGR_blend_func_separate */
exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
/* 196. GL_MESA_resize_buffers */
exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
/* 197. GL_MESA_window_pos */
exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
/* ARB 1. GL_ARB_multitexture */
exec->ActiveTextureARB = _mesa_ActiveTextureARB;
exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
exec->MultiTexCoord1dARB = _mesa_MultiTexCoord1dARB;
exec->MultiTexCoord1dvARB = _mesa_MultiTexCoord1dvARB;
exec->MultiTexCoord1fARB = _mesa_MultiTexCoord1fARB;
exec->MultiTexCoord1fvARB = _mesa_MultiTexCoord1fvARB;
exec->MultiTexCoord1iARB = _mesa_MultiTexCoord1iARB;
exec->MultiTexCoord1ivARB = _mesa_MultiTexCoord1ivARB;
exec->MultiTexCoord1sARB = _mesa_MultiTexCoord1sARB;
exec->MultiTexCoord1svARB = _mesa_MultiTexCoord1svARB;
exec->MultiTexCoord2dARB = _mesa_MultiTexCoord2dARB;
exec->MultiTexCoord2dvARB = _mesa_MultiTexCoord2dvARB;
exec->MultiTexCoord2fARB = _mesa_MultiTexCoord2fARB;
exec->MultiTexCoord2fvARB = _mesa_MultiTexCoord2fvARB;
exec->MultiTexCoord2iARB = _mesa_MultiTexCoord2iARB;
exec->MultiTexCoord2ivARB = _mesa_MultiTexCoord2ivARB;
exec->MultiTexCoord2sARB = _mesa_MultiTexCoord2sARB;
exec->MultiTexCoord2svARB = _mesa_MultiTexCoord2svARB;
exec->MultiTexCoord3dARB = _mesa_MultiTexCoord3dARB;
exec->MultiTexCoord3dvARB = _mesa_MultiTexCoord3dvARB;
exec->MultiTexCoord3fARB = _mesa_MultiTexCoord3fARB;
exec->MultiTexCoord3fvARB = _mesa_MultiTexCoord3fvARB;
exec->MultiTexCoord3iARB = _mesa_MultiTexCoord3iARB;
exec->MultiTexCoord3ivARB = _mesa_MultiTexCoord3ivARB;
exec->MultiTexCoord3sARB = _mesa_MultiTexCoord3sARB;
exec->MultiTexCoord3svARB = _mesa_MultiTexCoord3svARB;
exec->MultiTexCoord4dARB = _mesa_MultiTexCoord4dARB;
exec->MultiTexCoord4dvARB = _mesa_MultiTexCoord4dvARB;
exec->MultiTexCoord4fARB = _mesa_MultiTexCoord4fARB;
exec->MultiTexCoord4fvARB = _mesa_MultiTexCoord4fvARB;
exec->MultiTexCoord4iARB = _mesa_MultiTexCoord4iARB;
exec->MultiTexCoord4ivARB = _mesa_MultiTexCoord4ivARB;
exec->MultiTexCoord4sARB = _mesa_MultiTexCoord4sARB;
exec->MultiTexCoord4svARB = _mesa_MultiTexCoord4svARB;
/* ARB 3. GL_ARB_transpose_matrix */
exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
}
/**********************************************************************/
/***** State update logic *****/
/**********************************************************************/
/*
* Since the device driver may or may not support pixel logic ops we
* have to make some extensive tests to determine whether or not
* software-implemented logic operations have to be used.
*/
static void update_pixel_logic( GLcontext *ctx )
{
if (ctx->Visual->RGBAflag) {
/* RGBA mode blending w/ Logic Op */
if (ctx->Color.ColorLogicOpEnabled) {
if (ctx->Driver.LogicOp
&& (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
/* Device driver can do logic, don't have to do it in software */
ctx->Color.SWLogicOpEnabled = GL_FALSE;
}
else {
/* Device driver can't do logic op so we do it in software */
ctx->Color.SWLogicOpEnabled = GL_TRUE;
}
}
else {
/* no logic op */
if (ctx->Driver.LogicOp) {
(void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
}
ctx->Color.SWLogicOpEnabled = GL_FALSE;
}
}
else {
/* CI mode Logic Op */
if (ctx->Color.IndexLogicOpEnabled) {
if (ctx->Driver.LogicOp
&& (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
/* Device driver can do logic, don't have to do it in software */
ctx->Color.SWLogicOpEnabled = GL_FALSE;
}
else {
/* Device driver can't do logic op so we do it in software */
ctx->Color.SWLogicOpEnabled = GL_TRUE;
}
}
else {
/* no logic op */
if (ctx->Driver.LogicOp) {
(void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
}
ctx->Color.SWLogicOpEnabled = GL_FALSE;
}
}
}
/*
* Check if software implemented RGBA or Color Index masking is needed.
*/
static void update_pixel_masking( GLcontext *ctx )
{
if (ctx->Visual->RGBAflag) {
GLuint *colorMask = (GLuint *) ctx->Color.ColorMask;
if (*colorMask == 0xffffffff) {
/* disable masking */
if (ctx->Driver.ColorMask) {
(void) (*ctx->Driver.ColorMask)( ctx, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
}
ctx->Color.SWmasking = GL_FALSE;
}
else {
/* Ask driver to do color masking, if it can't then
* do it in software
*/
GLboolean red = ctx->Color.ColorMask[RCOMP] ? GL_TRUE : GL_FALSE;
GLboolean green = ctx->Color.ColorMask[GCOMP] ? GL_TRUE : GL_FALSE;
GLboolean blue = ctx->Color.ColorMask[BCOMP] ? GL_TRUE : GL_FALSE;
GLboolean alpha = ctx->Color.ColorMask[ACOMP] ? GL_TRUE : GL_FALSE;
if (ctx->Driver.ColorMask
&& (*ctx->Driver.ColorMask)( ctx, red, green, blue, alpha )) {
ctx->Color.SWmasking = GL_FALSE;
}
else {
ctx->Color.SWmasking = GL_TRUE;
}
}
}
else {
if (ctx->Color.IndexMask==0xffffffff) {
/* disable masking */
if (ctx->Driver.IndexMask) {
(void) (*ctx->Driver.IndexMask)( ctx, 0xffffffff );
}
ctx->Color.SWmasking = GL_FALSE;
}
else {
/* Ask driver to do index masking, if it can't then
* do it in software
*/
if (ctx->Driver.IndexMask
&& (*ctx->Driver.IndexMask)( ctx, ctx->Color.IndexMask )) {
ctx->Color.SWmasking = GL_FALSE;
}
else {
ctx->Color.SWmasking = GL_TRUE;
}
}
}
}
static void update_fog_mode( GLcontext *ctx )
{
int old_mode = ctx->FogMode;
if (ctx->Fog.Enabled) {
if (ctx->Texture.Enabled)
ctx->FogMode = FOG_FRAGMENT;
else if (ctx->Hint.Fog == GL_NICEST)
ctx->FogMode = FOG_FRAGMENT;
else
ctx->FogMode = FOG_VERTEX;
if (ctx->Driver.GetParameteri)
if ((ctx->Driver.GetParameteri)( ctx, DD_HAVE_HARDWARE_FOG ))
ctx->FogMode = FOG_FRAGMENT;
}
else {
ctx->FogMode = FOG_NONE;
}
if (old_mode != ctx->FogMode)
ctx->NewState |= NEW_FOG;
}
/*
* Recompute the value of ctx->RasterMask, etc. according to
* the current context.
*/
static void update_rasterflags( GLcontext *ctx )
{
ctx->RasterMask = 0;
if (ctx->Color.AlphaEnabled) ctx->RasterMask |= ALPHATEST_BIT;
if (ctx->Color.BlendEnabled) ctx->RasterMask |= BLEND_BIT;
if (ctx->Depth.Test) ctx->RasterMask |= DEPTH_BIT;
if (ctx->FogMode==FOG_FRAGMENT) ctx->RasterMask |= FOG_BIT;
if (ctx->Color.SWLogicOpEnabled) ctx->RasterMask |= LOGIC_OP_BIT;
if (ctx->Scissor.Enabled) ctx->RasterMask |= SCISSOR_BIT;
if (ctx->Stencil.Enabled) ctx->RasterMask |= STENCIL_BIT;
if (ctx->Color.SWmasking) ctx->RasterMask |= MASKING_BIT;
if (ctx->Texture.ReallyEnabled) ctx->RasterMask |= TEXTURE_BIT;
if (ctx->DrawBuffer->UseSoftwareAlphaBuffers
&& ctx->Color.ColorMask[ACOMP]
&& ctx->Color.DrawBuffer != GL_NONE)
ctx->RasterMask |= ALPHABUF_BIT;
if ( ctx->Viewport.X<0
|| ctx->Viewport.X + ctx->Viewport.Width > ctx->DrawBuffer->Width
|| ctx->Viewport.Y<0
|| ctx->Viewport.Y + ctx->Viewport.Height > ctx->DrawBuffer->Height) {
ctx->RasterMask |= WINCLIP_BIT;
}
if (ctx->Depth.OcclusionTest)
ctx->RasterMask |= OCCLUSION_BIT;
/* If we're not drawing to exactly one color buffer set the
* MULTI_DRAW_BIT flag. Also set it if we're drawing to no
* buffers or the RGBA or CI mask disables all writes.
*/
ctx->TriangleCaps &= ~DD_MULTIDRAW;
if (ctx->Color.MultiDrawBuffer) {
ctx->RasterMask |= MULTI_DRAW_BIT;
ctx->TriangleCaps |= DD_MULTIDRAW;
}
else if (ctx->Color.DrawBuffer==GL_NONE) {
ctx->RasterMask |= MULTI_DRAW_BIT;
ctx->TriangleCaps |= DD_MULTIDRAW;
}
else if (ctx->Visual->RGBAflag && ctx->Color.ColorMask==0) {
/* all RGBA channels disabled */
ctx->RasterMask |= MULTI_DRAW_BIT;
ctx->TriangleCaps |= DD_MULTIDRAW;
ctx->Color.DrawDestMask = 0;
}
else if (!ctx->Visual->RGBAflag && ctx->Color.IndexMask==0) {
/* all color index bits disabled */
ctx->RasterMask |= MULTI_DRAW_BIT;
ctx->TriangleCaps |= DD_MULTIDRAW;
ctx->Color.DrawDestMask = 0;
}
}
void gl_print_state( const char *msg, GLuint state )
{
fprintf(stderr,
"%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
msg,
state,
(state & NEW_LIGHTING) ? "lighting, " : "",
(state & NEW_RASTER_OPS) ? "raster-ops, " : "",
(state & NEW_TEXTURING) ? "texturing, " : "",
(state & NEW_POLYGON) ? "polygon, " : "",
(state & NEW_DRVSTATE0) ? "driver-0, " : "",
(state & NEW_DRVSTATE1) ? "driver-1, " : "",
(state & NEW_DRVSTATE2) ? "driver-2, " : "",
(state & NEW_DRVSTATE3) ? "driver-3, " : "",
(state & NEW_MODELVIEW) ? "modelview, " : "",
(state & NEW_PROJECTION) ? "projection, " : "",
(state & NEW_TEXTURE_MATRIX) ? "texture-matrix, " : "",
(state & NEW_USER_CLIP) ? "user-clip, " : "",
(state & NEW_TEXTURE_ENV) ? "texture-env, " : "",
(state & NEW_CLIENT_STATE) ? "client-state, " : "",
(state & NEW_FOG) ? "fog, " : "",
(state & NEW_NORMAL_TRANSFORM) ? "normal-transform, " : "",
(state & NEW_VIEWPORT) ? "viewport, " : "",
(state & NEW_TEXTURE_ENABLE) ? "texture-enable, " : "");
}
void gl_print_enable_flags( const char *msg, GLuint flags )
{
fprintf(stderr,
"%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s\n",
msg,
flags,
(flags & ENABLE_TEX0) ? "tex-0, " : "",
(flags & ENABLE_TEX1) ? "tex-1, " : "",
(flags & ENABLE_LIGHT) ? "light, " : "",
(flags & ENABLE_FOG) ? "fog, " : "",
(flags & ENABLE_USERCLIP) ? "userclip, " : "",
(flags & ENABLE_TEXGEN0) ? "tex-gen-0, " : "",
(flags & ENABLE_TEXGEN1) ? "tex-gen-1, " : "",
(flags & ENABLE_TEXMAT0) ? "tex-mat-0, " : "",
(flags & ENABLE_TEXMAT1) ? "tex-mat-1, " : "",
(flags & ENABLE_NORMALIZE) ? "normalize, " : "",
(flags & ENABLE_RESCALE) ? "rescale, " : "");
}
/*
* If ctx->NewState is non-zero then this function MUST be called before
* rendering any primitive. Basically, function pointers and miscellaneous
* flags are updated to reflect the current state of the state machine.
*/
void gl_update_state( GLcontext *ctx )
{
GLuint i;
if (MESA_VERBOSE & VERBOSE_STATE)
gl_print_state("", ctx->NewState);
if (ctx->NewState & NEW_CLIENT_STATE)
gl_update_client_state( ctx );
if ((ctx->NewState & NEW_TEXTURE_ENABLE) &&
(ctx->Enabled & ENABLE_TEX_ANY) != ctx->Texture.Enabled)
ctx->NewState |= NEW_TEXTURING | NEW_RASTER_OPS;
if (ctx->NewState & NEW_TEXTURE_ENV) {
if (ctx->Texture.Unit[0].EnvMode == ctx->Texture.Unit[0].LastEnvMode &&
ctx->Texture.Unit[1].EnvMode == ctx->Texture.Unit[1].LastEnvMode)
ctx->NewState &= ~NEW_TEXTURE_ENV;
ctx->Texture.Unit[0].LastEnvMode = ctx->Texture.Unit[0].EnvMode;
ctx->Texture.Unit[1].LastEnvMode = ctx->Texture.Unit[1].EnvMode;
}
if (ctx->NewState & NEW_TEXTURE_MATRIX) {
ctx->Enabled &= ~(ENABLE_TEXMAT0|ENABLE_TEXMAT1);
for (i=0; i < MAX_TEXTURE_UNITS; i++) {
if (ctx->TextureMatrix[i].flags & MAT_DIRTY_ALL_OVER)
{
gl_matrix_analyze( &ctx->TextureMatrix[i] );
ctx->TextureMatrix[i].flags &= ~MAT_DIRTY_DEPENDENTS;
if (ctx->Texture.Unit[i].Enabled &&
ctx->TextureMatrix[i].type != MATRIX_IDENTITY)
ctx->Enabled |= ENABLE_TEXMAT0 << i;
}
}
}
if (ctx->NewState & (NEW_TEXTURING | NEW_TEXTURE_ENABLE)) {
ctx->Texture.NeedNormals = GL_FALSE;
gl_update_dirty_texobjs(ctx);
ctx->Enabled &= ~(ENABLE_TEXGEN0|ENABLE_TEXGEN1);
ctx->Texture.ReallyEnabled = 0;
for (i=0; i < MAX_TEXTURE_UNITS; i++) {
if (ctx->Texture.Unit[i].Enabled) {
gl_update_texture_unit( ctx, &ctx->Texture.Unit[i] );
ctx->Texture.ReallyEnabled |=
ctx->Texture.Unit[i].ReallyEnabled<<(i*4);
if (ctx->Texture.Unit[i].GenFlags != 0) {
ctx->Enabled |= ENABLE_TEXGEN0 << i;
if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_NORMALS)
{
ctx->Texture.NeedNormals = GL_TRUE;
ctx->Texture.NeedEyeCoords = GL_TRUE;
}
if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_EYE_COORD)
{
ctx->Texture.NeedEyeCoords = GL_TRUE;
}
}
}
}
ctx->Texture.Enabled = ctx->Enabled & ENABLE_TEX_ANY;
ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
}
if (ctx->NewState & (NEW_RASTER_OPS | NEW_LIGHTING | NEW_FOG | NEW_TEXTURE_ENABLE)) {
if (ctx->NewState & (NEW_RASTER_OPS | NEW_TEXTURE_ENABLE)) {
update_pixel_logic(ctx);
update_pixel_masking(ctx);
update_fog_mode(ctx);
update_rasterflags(ctx);
if (ctx->Driver.Dither) {
(*ctx->Driver.Dither)( ctx, ctx->Color.DitherFlag );
}
/* update scissor region */
ctx->DrawBuffer->Xmin = 0;
ctx->DrawBuffer->Ymin = 0;
ctx->DrawBuffer->Xmax = ctx->DrawBuffer->Width-1;
ctx->DrawBuffer->Ymax = ctx->DrawBuffer->Height-1;
if (ctx->Scissor.Enabled) {
if (ctx->Scissor.X > ctx->DrawBuffer->Xmin) {
ctx->DrawBuffer->Xmin = ctx->Scissor.X;
}
if (ctx->Scissor.Y > ctx->DrawBuffer->Ymin) {
ctx->DrawBuffer->Ymin = ctx->Scissor.Y;
}
if (ctx->Scissor.X + ctx->Scissor.Width - 1 < ctx->DrawBuffer->Xmax) {
ctx->DrawBuffer->Xmax = ctx->Scissor.X + ctx->Scissor.Width - 1;
}
if (ctx->Scissor.Y + ctx->Scissor.Height - 1 < ctx->DrawBuffer->Ymax) {
ctx->DrawBuffer->Ymax = ctx->Scissor.Y + ctx->Scissor.Height - 1;
}
}
}
if (ctx->NewState & NEW_LIGHTING) {
ctx->TriangleCaps &= ~(DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
if (ctx->Light.Enabled) {
if (ctx->Light.Model.TwoSide)
ctx->TriangleCaps |= (DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
gl_update_lighting(ctx);
}
}
}
if (ctx->NewState & (NEW_POLYGON | NEW_LIGHTING)) {
ctx->TriangleCaps &= ~DD_TRI_CULL_FRONT_BACK;
if (ctx->NewState & NEW_POLYGON) {
/* Setup CullBits bitmask */
if (ctx->Polygon.CullFlag) {
ctx->backface_sign = 1;
switch(ctx->Polygon.CullFaceMode) {
case GL_BACK:
if(ctx->Polygon.FrontFace==GL_CCW)
ctx->backface_sign = -1;
ctx->Polygon.CullBits = 1;
break;
case GL_FRONT:
if(ctx->Polygon.FrontFace!=GL_CCW)
ctx->backface_sign = -1;
ctx->Polygon.CullBits = 2;
break;
default:
case GL_FRONT_AND_BACK:
ctx->backface_sign = 0;
ctx->Polygon.CullBits = 0;
ctx->TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
break;
}
}
else {
ctx->Polygon.CullBits = 3;
ctx->backface_sign = 0;
}
/* Any Polygon offsets enabled? */
ctx->TriangleCaps &= ~DD_TRI_OFFSET;
if (ctx->Polygon.OffsetPoint ||
ctx->Polygon.OffsetLine ||
ctx->Polygon.OffsetFill)
ctx->TriangleCaps |= DD_TRI_OFFSET;
/* reset Z offsets now */
ctx->PointZoffset = 0.0;
ctx->LineZoffset = 0.0;
ctx->PolygonZoffset = 0.0;
}
}
if (ctx->NewState & ~(NEW_CLIENT_STATE|
NEW_DRIVER_STATE|NEW_USER_CLIP|
NEW_POLYGON))
gl_update_clipmask(ctx);
if (ctx->NewState & (NEW_LIGHTING|
NEW_RASTER_OPS|
NEW_TEXTURING|
NEW_TEXTURE_ENABLE|
NEW_TEXTURE_ENV|
NEW_POLYGON|
NEW_DRVSTATE0|
NEW_DRVSTATE1|
NEW_DRVSTATE2|
NEW_DRVSTATE3|
NEW_USER_CLIP))
{
ctx->IndirectTriangles = ctx->TriangleCaps & ~ctx->Driver.TriangleCaps;
ctx->IndirectTriangles |= DD_SW_RASTERIZE;
if (MESA_VERBOSE&VERBOSE_CULL)
gl_print_tri_caps("initial indirect tris", ctx->IndirectTriangles);
ctx->Driver.PointsFunc = NULL;
ctx->Driver.LineFunc = NULL;
ctx->Driver.TriangleFunc = NULL;
ctx->Driver.QuadFunc = NULL;
ctx->Driver.RectFunc = NULL;
ctx->Driver.RenderVBClippedTab = NULL;
ctx->Driver.RenderVBCulledTab = NULL;
ctx->Driver.RenderVBRawTab = NULL;
/*
* Here the driver sets up all the ctx->Driver function pointers to
* it's specific, private functions.
*/
ctx->Driver.UpdateState(ctx);
if (MESA_VERBOSE&VERBOSE_CULL)
gl_print_tri_caps("indirect tris", ctx->IndirectTriangles);
/*
* In case the driver didn't hook in an optimized point, line or
* triangle function we'll now select "core/fallback" point, line
* and triangle functions.
*/
if (ctx->IndirectTriangles & DD_SW_RASTERIZE) {
gl_set_point_function(ctx);
gl_set_line_function(ctx);
gl_set_triangle_function(ctx);
gl_set_quad_function(ctx);
if ((ctx->IndirectTriangles &
(DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL)) ==
(DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL))
ctx->IndirectTriangles &= ~DD_TRI_CULL;
}
if (MESA_VERBOSE&VERBOSE_CULL)
gl_print_tri_caps("indirect tris 2", ctx->IndirectTriangles);
gl_set_render_vb_function(ctx);
}
/* Should only be calc'd when !need_eye_coords and not culling.
*/
if (ctx->NewState & (NEW_MODELVIEW|NEW_PROJECTION)) {
if (ctx->NewState & NEW_MODELVIEW) {
gl_matrix_analyze( &ctx->ModelView );
ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
}
if (ctx->NewState & NEW_PROJECTION) {
gl_matrix_analyze( &ctx->ProjectionMatrix );
ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
if (ctx->Transform.AnyClip) {
gl_update_userclip( ctx );
}
}
gl_calculate_model_project_matrix( ctx );
ctx->ModelProjectWinMatrixUptodate = 0;
}
if (ctx->NewState & NEW_COLOR_MATRIX) {
gl_matrix_analyze( &ctx->ColorMatrix );
}
/* Figure out whether we can light in object space or not. If we
* can, find the current positions of the lights in object space
*/
if ((ctx->Enabled & (ENABLE_POINT_ATTEN | ENABLE_LIGHT | ENABLE_FOG |
ENABLE_TEXGEN0 | ENABLE_TEXGEN1)) &&
(ctx->NewState & (NEW_LIGHTING |
NEW_FOG |
NEW_MODELVIEW |
NEW_PROJECTION |
NEW_TEXTURING |
NEW_RASTER_OPS |
NEW_USER_CLIP)))
{
GLboolean oldcoord, oldnorm;
oldcoord = ctx->NeedEyeCoords;
oldnorm = ctx->NeedEyeNormals;
ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
ctx->NeedEyeCoords = ((ctx->Fog.Enabled && ctx->Hint.Fog != GL_NICEST) ||
ctx->Point.Attenuated);
ctx->NeedEyeNormals = GL_FALSE;
if (ctx->Light.Enabled) {
if (ctx->Light.Flags & LIGHT_POSITIONAL) {
/* Need length for attenuation */
if (!TEST_MAT_FLAGS( &ctx->ModelView, MAT_FLAGS_LENGTH_PRESERVING))
ctx->NeedEyeCoords = GL_TRUE;
} else if (ctx->Light.NeedVertices) {
/* Need angle for spot calculations */
if (!TEST_MAT_FLAGS( &ctx->ModelView, MAT_FLAGS_ANGLE_PRESERVING))
ctx->NeedEyeCoords = GL_TRUE;
}
ctx->NeedEyeNormals = ctx->NeedEyeCoords;
}
if (ctx->Texture.Enabled || ctx->RenderMode==GL_FEEDBACK) {
if (ctx->Texture.NeedEyeCoords) ctx->NeedEyeCoords = GL_TRUE;
if (ctx->Texture.NeedNormals)
ctx->NeedNormals = ctx->NeedEyeNormals = GL_TRUE;
}
ctx->vb_proj_matrix = &ctx->ModelProjectMatrix;
if (ctx->NeedEyeCoords)
ctx->vb_proj_matrix = &ctx->ProjectionMatrix;
if (ctx->Light.Enabled) {
gl_update_lighting_function(ctx);
if ( (ctx->NewState & NEW_LIGHTING) ||
((ctx->NewState & (NEW_MODELVIEW| NEW_PROJECTION)) &&
!ctx->NeedEyeCoords) ||
oldcoord != ctx->NeedEyeCoords ||
oldnorm != ctx->NeedEyeNormals) {
gl_compute_light_positions(ctx);
}
ctx->rescale_factor = 1.0F;
if (ctx->ModelView.flags & (MAT_FLAG_UNIFORM_SCALE |
MAT_FLAG_GENERAL_SCALE |
MAT_FLAG_GENERAL_3D |
MAT_FLAG_GENERAL) )
{
GLfloat *m = ctx->ModelView.inv;
GLfloat f = m[2]*m[2] + m[6]*m[6] + m[10]*m[10];
if (f > 1e-12 && (f-1)*(f-1) > 1e-12)
ctx->rescale_factor = 1.0/GL_SQRT(f);
}
}
gl_update_normal_transform( ctx );
}
gl_update_pipelines(ctx);
ctx->NewState = 0;
}
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