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/* $Id: state.c,v 1.1 2003-02-28 11:42:04 pj Exp $ */
/*
* Mesa 3-D graphics library
* Version: 5.0
*
* Copyright (C) 1999-2002 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 manages recalculation of derived values in the
* __GLcontext.
*/
#include "glheader.h"
#include "accum.h"
#include "api_loopback.h"
#include "attrib.h"
#include "blend.h"
#include "buffers.h"
#include "clip.h"
#include "colortab.h"
#include "context.h"
#include "convolve.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 "histogram.h"
#include "light.h"
#include "lines.h"
#include "matrix.h"
#include "mmath.h"
#include "pixel.h"
#include "points.h"
#include "polygon.h"
#include "rastpos.h"
#include "state.h"
#include "stencil.h"
#include "teximage.h"
#include "texobj.h"
#include "texstate.h"
#include "mtypes.h"
#include "varray.h"
#if FEATURE_NV_vertex_program
#include "vpstate.h"
#endif
#include "math/m_matrix.h"
#include "math/m_xform.h"
static int
generic_noop(void)
{
#ifdef DEBUG
_mesa_problem(NULL, "User called no-op dispatch function");
#endif
return 0;
}
/*
* Set all pointers in the given dispatch table to point to a
* generic no-op function.
*/
void
_mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize)
{
GLuint i;
void **dispatch = (void **) table;
for (i = 0; i < tableSize; i++) {
dispatch[i] = (void *) generic_noop;
}
}
/*
* Initialize the given dispatch table with pointers to Mesa's
* immediate-mode commands.
*
* Pointers to begin/end object commands and a few others
* are provided via the vtxfmt interface elsewhere.
*/
void
_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
{
/* first initialize all dispatch slots to no-op */
_mesa_init_no_op_table(exec, tableSize);
_mesa_loopback_init_api_table( exec, GL_TRUE );
/* load the dispatch slots we understand */
exec->Accum = _mesa_Accum;
exec->AlphaFunc = _mesa_AlphaFunc;
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->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->Enable = _mesa_Enable;
exec->EndList = _mesa_EndList;
exec->FeedbackBuffer = _mesa_FeedbackBuffer;
exec->Finish = _mesa_Finish;
exec->Flush = _mesa_Flush;
exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT;
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->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->MatrixMode = _mesa_MatrixMode;
exec->MultMatrixd = _mesa_MultMatrixd;
exec->MultMatrixf = _mesa_MultMatrixf;
exec->NewList = _mesa_NewList;
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->RenderMode = _mesa_RenderMode;
exec->Rotated = _mesa_Rotated;
exec->Rotatef = _mesa_Rotatef;
exec->Scaled = _mesa_Scaled;
exec->Scalef = _mesa_Scalef;
exec->Scissor = _mesa_Scissor;
exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT;
exec->SelectBuffer = _mesa_SelectBuffer;
exec->ShadeModel = _mesa_ShadeModel;
exec->StencilFunc = _mesa_StencilFunc;
exec->StencilMask = _mesa_StencilMask;
exec->StencilOp = _mesa_StencilOp;
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->Viewport = _mesa_Viewport;
/* 1.1 */
exec->AreTexturesResident = _mesa_AreTexturesResident;
exec->AreTexturesResidentEXT = _mesa_AreTexturesResident;
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->EdgeFlagPointer = _mesa_EdgeFlagPointer;
exec->EnableClientState = _mesa_EnableClientState;
exec->GenTextures = _mesa_GenTextures;
exec->GenTexturesEXT = _mesa_GenTextures;
exec->GetPointerv = _mesa_GetPointerv;
exec->IndexPointer = _mesa_IndexPointer;
exec->InterleavedArrays = _mesa_InterleavedArrays;
exec->IsTexture = _mesa_IsTexture;
exec->IsTextureEXT = _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->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->GetColorTableEXT = _mesa_GetColorTable;
exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
exec->GetConvolutionFilterEXT = _mesa_GetConvolutionFilter;
exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
exec->GetConvolutionParameterfvEXT = _mesa_GetConvolutionParameterfv;
exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
exec->GetConvolutionParameterivEXT = _mesa_GetConvolutionParameteriv;
exec->GetHistogram = _mesa_GetHistogram;
exec->GetHistogramEXT = _mesa_GetHistogram;
exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
exec->GetMinmax = _mesa_GetMinmax;
exec->GetMinmaxEXT = _mesa_GetMinmax;
exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
exec->GetSeparableFilter = _mesa_GetSeparableFilter;
exec->GetSeparableFilterEXT = _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;
/* 30. GL_EXT_vertex_array */
exec->ColorPointerEXT = _mesa_ColorPointerEXT;
exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT;
exec->IndexPointerEXT = _mesa_IndexPointerEXT;
exec->NormalPointerEXT = _mesa_NormalPointerEXT;
exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT;
exec->VertexPointerEXT = _mesa_VertexPointerEXT;
/* 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;
/* 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;
/* 148. GL_EXT_multi_draw_arrays */
exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT;
exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT;
/* 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;
/* 233. GL_NV_vertex_program */
#if FEATURE_NV_vertex_program
exec->BindProgramNV = _mesa_BindProgramNV;
exec->DeleteProgramsNV = _mesa_DeleteProgramsNV;
exec->ExecuteProgramNV = _mesa_ExecuteProgramNV;
exec->GenProgramsNV = _mesa_GenProgramsNV;
exec->AreProgramsResidentNV = _mesa_AreProgramsResidentNV;
exec->RequestResidentProgramsNV = _mesa_RequestResidentProgramsNV;
exec->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV;
exec->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV;
exec->GetProgramivNV = _mesa_GetProgramivNV;
exec->GetProgramStringNV = _mesa_GetProgramStringNV;
exec->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV;
exec->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV;
exec->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV;
exec->GetVertexAttribivNV = _mesa_GetVertexAttribivNV;
exec->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV;
exec->IsProgramNV = _mesa_IsProgramNV;
exec->LoadProgramNV = _mesa_LoadProgramNV;
exec->ProgramParameter4dNV = _mesa_ProgramParameter4dNV;
exec->ProgramParameter4dvNV = _mesa_ProgramParameter4dvNV;
exec->ProgramParameter4fNV = _mesa_ProgramParameter4fNV;
exec->ProgramParameter4fvNV = _mesa_ProgramParameter4fvNV;
exec->ProgramParameters4dvNV = _mesa_ProgramParameters4dvNV;
exec->ProgramParameters4fvNV = _mesa_ProgramParameters4fvNV;
exec->TrackMatrixNV = _mesa_TrackMatrixNV;
exec->VertexAttribPointerNV = _mesa_VertexAttribPointerNV;
#endif
/* 262. GL_NV_point_sprite */
exec->PointParameteriNV = _mesa_PointParameteriNV;
exec->PointParameterivNV = _mesa_PointParameterivNV;
/* 268. GL_EXT_stencil_two_side */
exec->ActiveStencilFaceEXT = _mesa_ActiveStencilFaceEXT;
/* ARB 1. GL_ARB_multitexture */
exec->ActiveTextureARB = _mesa_ActiveTextureARB;
exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
/* ARB 3. GL_ARB_transpose_matrix */
exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
/* ARB 5. GL_ARB_multisample */
exec->SampleCoverageARB = _mesa_SampleCoverageARB;
/* ARB 12. GL_ARB_texture_compression */
exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
/* ARB 14. GL_ARB_point_parameters */
/* reuse EXT_point_parameters functions */
}
/**********************************************************************/
/***** State update logic *****/
/**********************************************************************/
/*
* Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
* in ctx->_TriangleCaps if needed.
*/
static void
update_polygon( GLcontext *ctx )
{
ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
/* Any Polygon offsets enabled? */
if (ctx->Polygon.OffsetPoint ||
ctx->Polygon.OffsetLine ||
ctx->Polygon.OffsetFill) {
ctx->_TriangleCaps |= DD_TRI_OFFSET;
}
}
static void
calculate_model_project_matrix( GLcontext *ctx )
{
_math_matrix_mul_matrix( &ctx->_ModelProjectMatrix,
ctx->ProjectionMatrixStack.Top,
ctx->ModelviewMatrixStack.Top );
_math_matrix_analyse( &ctx->_ModelProjectMatrix );
}
static void
update_modelview_scale( GLcontext *ctx )
{
ctx->_ModelViewInvScale = 1.0F;
if (ctx->ModelviewMatrixStack.Top->flags & (MAT_FLAG_UNIFORM_SCALE |
MAT_FLAG_GENERAL_SCALE |
MAT_FLAG_GENERAL_3D |
MAT_FLAG_GENERAL) ) {
const GLfloat *m = ctx->ModelviewMatrixStack.Top->inv;
GLfloat f = m[2] * m[2] + m[6] * m[6] + m[10] * m[10];
if (f < 1e-12) f = 1.0;
if (ctx->_NeedEyeCoords)
ctx->_ModelViewInvScale = (GLfloat) (1.0/GL_SQRT(f));
else
ctx->_ModelViewInvScale = (GLfloat) GL_SQRT(f);
}
}
/* Bring uptodate any state that relies on _NeedEyeCoords.
*/
static void
update_tnl_spaces( GLcontext *ctx, GLuint oldneedeyecoords )
{
/* Check if the truth-value interpretations of the bitfields have
* changed:
*/
if ((oldneedeyecoords == 0) != (ctx->_NeedEyeCoords == 0)) {
/* Recalculate all state that depends on _NeedEyeCoords.
*/
update_modelview_scale(ctx);
_mesa_compute_light_positions( ctx );
if (ctx->Driver.LightingSpaceChange)
ctx->Driver.LightingSpaceChange( ctx );
}
else {
GLuint new_state = ctx->NewState;
/* Recalculate that same state only if it has been invalidated
* by other statechanges.
*/
if (new_state & _NEW_MODELVIEW)
update_modelview_scale(ctx);
if (new_state & (_NEW_LIGHT|_NEW_MODELVIEW))
_mesa_compute_light_positions( ctx );
}
}
static void
update_drawbuffer( GLcontext *ctx )
{
ctx->DrawBuffer->_Xmin = 0;
ctx->DrawBuffer->_Ymin = 0;
ctx->DrawBuffer->_Xmax = ctx->DrawBuffer->Width;
ctx->DrawBuffer->_Ymax = ctx->DrawBuffer->Height;
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 < ctx->DrawBuffer->_Xmax) {
ctx->DrawBuffer->_Xmax = ctx->Scissor.X + ctx->Scissor.Width;
}
if (ctx->Scissor.Y + ctx->Scissor.Height < ctx->DrawBuffer->_Ymax) {
ctx->DrawBuffer->_Ymax = ctx->Scissor.Y + ctx->Scissor.Height;
}
}
}
/* NOTE: This routine references Tranform attribute values to compute
* userclip positions in clip space, but is only called on
* _NEW_PROJECTION. The _mesa_ClipPlane() function keeps these values
* up to date across changes to the Transform attributes.
*/
static void
update_projection( GLcontext *ctx )
{
_math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
/* Recompute clip plane positions in clipspace. This is also done
* in _mesa_ClipPlane().
*/
if (ctx->Transform.ClipPlanesEnabled) {
GLuint p;
for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
_mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
ctx->Transform.EyeUserPlane[p],
ctx->ProjectionMatrixStack.Top->inv );
}
}
}
}
/*
* Return a bitmask of IMAGE_*_BIT flags which to indicate which
* pixel transfer operations are enabled.
*/
static void
update_image_transfer_state(GLcontext *ctx)
{
GLuint mask = 0;
if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F ||
ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F ||
ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F ||
ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F)
mask |= IMAGE_SCALE_BIAS_BIT;
if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset)
mask |= IMAGE_SHIFT_OFFSET_BIT;
if (ctx->Pixel.MapColorFlag)
mask |= IMAGE_MAP_COLOR_BIT;
if (ctx->Pixel.ColorTableEnabled)
mask |= IMAGE_COLOR_TABLE_BIT;
if (ctx->Pixel.Convolution1DEnabled ||
ctx->Pixel.Convolution2DEnabled ||
ctx->Pixel.Separable2DEnabled) {
mask |= IMAGE_CONVOLUTION_BIT;
if (ctx->Pixel.PostConvolutionScale[0] != 1.0F ||
ctx->Pixel.PostConvolutionScale[1] != 1.0F ||
ctx->Pixel.PostConvolutionScale[2] != 1.0F ||
ctx->Pixel.PostConvolutionScale[3] != 1.0F ||
ctx->Pixel.PostConvolutionBias[0] != 0.0F ||
ctx->Pixel.PostConvolutionBias[1] != 0.0F ||
ctx->Pixel.PostConvolutionBias[2] != 0.0F ||
ctx->Pixel.PostConvolutionBias[3] != 0.0F) {
mask |= IMAGE_POST_CONVOLUTION_SCALE_BIAS;
}
}
if (ctx->Pixel.PostConvolutionColorTableEnabled)
mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT;
if (ctx->ColorMatrixStack.Top->type != MATRIX_IDENTITY ||
ctx->Pixel.PostColorMatrixScale[0] != 1.0F ||
ctx->Pixel.PostColorMatrixBias[0] != 0.0F ||
ctx->Pixel.PostColorMatrixScale[1] != 1.0F ||
ctx->Pixel.PostColorMatrixBias[1] != 0.0F ||
ctx->Pixel.PostColorMatrixScale[2] != 1.0F ||
ctx->Pixel.PostColorMatrixBias[2] != 0.0F ||
ctx->Pixel.PostColorMatrixScale[3] != 1.0F ||
ctx->Pixel.PostColorMatrixBias[3] != 0.0F)
mask |= IMAGE_COLOR_MATRIX_BIT;
if (ctx->Pixel.PostColorMatrixColorTableEnabled)
mask |= IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT;
if (ctx->Pixel.HistogramEnabled)
mask |= IMAGE_HISTOGRAM_BIT;
if (ctx->Pixel.MinMaxEnabled)
mask |= IMAGE_MIN_MAX_BIT;
ctx->_ImageTransferState = mask;
}
/* Note: This routine refers to derived texture attribute values to
* compute the ENABLE_TEXMAT flags, but is only called on
* _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT
* flags are updated by _mesa_update_textures(), below.
*
* If both TEXTURE and TEXTURE_MATRIX change at once, these values
* will be computed twice.
*/
static void
update_texture_matrices( GLcontext *ctx )
{
GLuint i;
ctx->Texture._TexMatEnabled = 0;
for (i=0; i < ctx->Const.MaxTextureUnits; i++) {
if (ctx->TextureMatrixStack[i].Top->flags & MAT_DIRTY) {
_math_matrix_analyse( ctx->TextureMatrixStack[i].Top );
if (ctx->Texture.Unit[i]._ReallyEnabled &&
ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY)
ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i);
if (ctx->Driver.TextureMatrix)
ctx->Driver.TextureMatrix( ctx, i, ctx->TextureMatrixStack[i].Top);
}
}
}
/* Note: This routine refers to derived texture matrix values to
* compute the ENABLE_TEXMAT flags, but is only called on
* _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT
* flags are updated by _mesa_update_texture_matrices, above.
*
* If both TEXTURE and TEXTURE_MATRIX change at once, these values
* will be computed twice.
*/
static void
update_texture_state( GLcontext *ctx )
{
GLuint unit;
ctx->Texture._EnabledUnits = 0;
ctx->Texture._GenFlags = 0;
ctx->_NeedNormals &= ~NEED_NORMALS_TEXGEN;
ctx->_NeedEyeCoords &= ~NEED_EYE_TEXGEN;
ctx->Texture._TexMatEnabled = 0;
ctx->Texture._TexGenEnabled = 0;
/* Update texture unit state.
*/
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
texUnit->_ReallyEnabled = 0;
texUnit->_GenFlags = 0;
if (!texUnit->Enabled)
continue;
/* Look for the highest-priority texture target that's enabled and
* complete. That's the one we'll use for texturing.
*/
if (texUnit->Enabled & TEXTURE_CUBE_BIT) {
struct gl_texture_object *texObj = texUnit->CurrentCubeMap;
if (!texObj->Complete) {
_mesa_test_texobj_completeness(ctx, texObj);
}
if (texObj->Complete) {
texUnit->_ReallyEnabled = TEXTURE_CUBE_BIT;
texUnit->_Current = texObj;
}
}
if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_3D_BIT)) {
struct gl_texture_object *texObj = texUnit->Current3D;
if (!texObj->Complete) {
_mesa_test_texobj_completeness(ctx, texObj);
}
if (texObj->Complete) {
texUnit->_ReallyEnabled = TEXTURE_3D_BIT;
texUnit->_Current = texObj;
}
}
if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_RECT_BIT)) {
struct gl_texture_object *texObj = texUnit->CurrentRect;
if (!texObj->Complete) {
_mesa_test_texobj_completeness(ctx, texObj);
}
if (texObj->Complete) {
texUnit->_ReallyEnabled = TEXTURE_RECT_BIT;
texUnit->_Current = texObj;
}
}
if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_2D_BIT)) {
struct gl_texture_object *texObj = texUnit->Current2D;
if (!texObj->Complete) {
_mesa_test_texobj_completeness(ctx, texObj);
}
if (texObj->Complete) {
texUnit->_ReallyEnabled = TEXTURE_2D_BIT;
texUnit->_Current = texObj;
}
}
if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_1D_BIT)) {
struct gl_texture_object *texObj = texUnit->Current1D;
if (!texObj->Complete) {
_mesa_test_texobj_completeness(ctx, texObj);
}
if (texObj->Complete) {
texUnit->_ReallyEnabled = TEXTURE_1D_BIT;
texUnit->_Current = texObj;
}
}
if (!texUnit->_ReallyEnabled) {
texUnit->_Current = NULL;
continue;
}
if (texUnit->_ReallyEnabled)
ctx->Texture._EnabledUnits |= (1 << unit);
if (texUnit->TexGenEnabled) {
if (texUnit->TexGenEnabled & S_BIT) {
texUnit->_GenFlags |= texUnit->_GenBitS;
}
if (texUnit->TexGenEnabled & T_BIT) {
texUnit->_GenFlags |= texUnit->_GenBitT;
}
if (texUnit->TexGenEnabled & Q_BIT) {
texUnit->_GenFlags |= texUnit->_GenBitQ;
}
if (texUnit->TexGenEnabled & R_BIT) {
texUnit->_GenFlags |= texUnit->_GenBitR;
}
ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit);
ctx->Texture._GenFlags |= texUnit->_GenFlags;
}
if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY)
ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit);
}
if (ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS) {
ctx->_NeedNormals |= NEED_NORMALS_TEXGEN;
ctx->_NeedEyeCoords |= NEED_EYE_TEXGEN;
}
if (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD) {
ctx->_NeedEyeCoords |= NEED_EYE_TEXGEN;
}
}
/*
* 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.
*
* The above constraint is now maintained largely by the two Exec
* dispatch tables, which trigger the appropriate flush on transition
* between State and Geometry modes.
*
* Special care is taken with the derived value _NeedEyeCoords. This
* is a bitflag which is updated with information from a number of
* attribute groups (MODELVIEW, LIGHT, TEXTURE). A lot of derived
* state references this value, and must be treated with care to
* ensure that updates are done correctly. All state dependent on
* _NeedEyeCoords is calculated from within _mesa_update_tnl_spaces(),
* and from nowhere else.
*/
void _mesa_update_state( GLcontext *ctx )
{
const GLuint new_state = ctx->NewState;
const GLuint oldneedeyecoords = ctx->_NeedEyeCoords;
if (MESA_VERBOSE & VERBOSE_STATE)
_mesa_print_state("_mesa_update_state", new_state);
if (new_state & _NEW_MODELVIEW)
_math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
if (new_state & _NEW_PROJECTION)
update_projection( ctx );
if (new_state & _NEW_TEXTURE_MATRIX)
update_texture_matrices( ctx );
if (new_state & _NEW_COLOR_MATRIX)
_math_matrix_analyse( ctx->ColorMatrixStack.Top );
/* References ColorMatrix.type (derived above).
*/
if (new_state & _IMAGE_NEW_TRANSFER_STATE)
update_image_transfer_state(ctx);
/* Contributes to NeedEyeCoords, NeedNormals.
*/
if (new_state & _NEW_TEXTURE)
update_texture_state( ctx );
if (new_state & (_NEW_BUFFERS|_NEW_SCISSOR))
update_drawbuffer( ctx );
if (new_state & _NEW_POLYGON)
update_polygon( ctx );
/* Contributes to NeedEyeCoords, NeedNormals.
*/
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
/* We can light in object space if the modelview matrix preserves
* lengths and relative angles.
*/
if (new_state & (_NEW_MODELVIEW|_NEW_LIGHT)) {
ctx->_NeedEyeCoords &= ~NEED_EYE_LIGHT_MODELVIEW;
if (ctx->Light.Enabled &&
!TEST_MAT_FLAGS( ctx->ModelviewMatrixStack.Top, MAT_FLAGS_LENGTH_PRESERVING))
ctx->_NeedEyeCoords |= NEED_EYE_LIGHT_MODELVIEW;
}
#if 0
/* XXX this is a bit of a hack. We should be checking elsewhere if
* vertex program mode is enabled. We set _NeedEyeCoords to zero to
* ensure that the combined modelview/projection matrix is computed
* in calculate_model_project_matrix().
*/
if (ctx->VertexProgram.Enabled)
ctx->_NeedEyeCoords = 0;
/* KW: it's now always computed.
*/
#endif
/* Keep ModelviewProject uptodate always to allow tnl
* implementations that go model->clip even when eye is required.
*/
if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
calculate_model_project_matrix(ctx);
/* ctx->_NeedEyeCoords is now uptodate.
*
* If the truth value of this variable has changed, update for the
* new lighting space and recompute the positions of lights and the
* normal transform.
*
* If the lighting space hasn't changed, may still need to recompute
* light positions & normal transforms for other reasons.
*/
if (new_state & (_NEW_MODELVIEW |
_NEW_LIGHT |
_MESA_NEW_NEED_EYE_COORDS))
update_tnl_spaces( ctx, oldneedeyecoords );
/*
* Here the driver sets up all the ctx->Driver function pointers
* to it's specific, private functions, and performs any
* internal state management necessary, including invalidating
* state of active modules.
*
* Set ctx->NewState to zero to avoid recursion if
* Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?)
*/
ctx->NewState = 0;
ctx->Driver.UpdateState(ctx, new_state);
ctx->Array.NewState = 0;
/* At this point we can do some assertions to be sure the required
* device driver function pointers are all initialized.
*/
ASSERT(ctx->Driver.GetString);
ASSERT(ctx->Driver.UpdateState);
ASSERT(ctx->Driver.Clear);
ASSERT(ctx->Driver.GetBufferSize);
if (ctx->Visual.accumRedBits > 0) {
ASSERT(ctx->Driver.Accum);
}
ASSERT(ctx->Driver.DrawPixels);
ASSERT(ctx->Driver.ReadPixels);
ASSERT(ctx->Driver.CopyPixels);
ASSERT(ctx->Driver.Bitmap);
ASSERT(ctx->Driver.ResizeBuffers);
ASSERT(ctx->Driver.TexImage1D);
ASSERT(ctx->Driver.TexImage2D);
ASSERT(ctx->Driver.TexImage3D);
ASSERT(ctx->Driver.TexSubImage1D);
ASSERT(ctx->Driver.TexSubImage2D);
ASSERT(ctx->Driver.TexSubImage3D);
ASSERT(ctx->Driver.CopyTexImage1D);
ASSERT(ctx->Driver.CopyTexImage2D);
ASSERT(ctx->Driver.CopyTexSubImage1D);
ASSERT(ctx->Driver.CopyTexSubImage2D);
ASSERT(ctx->Driver.CopyTexSubImage3D);
if (ctx->Extensions.ARB_texture_compression) {
#if 0 /* HW drivers need these, but not SW rasterizers */
ASSERT(ctx->Driver.CompressedTexImage1D);
ASSERT(ctx->Driver.CompressedTexImage2D);
ASSERT(ctx->Driver.CompressedTexImage3D);
ASSERT(ctx->Driver.CompressedTexSubImage1D);
ASSERT(ctx->Driver.CompressedTexSubImage2D);
ASSERT(ctx->Driver.CompressedTexSubImage3D);
#endif
}
}
/* Is this helpful?
*/
void
_mesa_allow_light_in_model( GLcontext *ctx, GLboolean flag )
{
if (flag)
ctx->_NeedEyeCoords &= ~NEED_EYE_DRIVER;
else
ctx->_NeedEyeCoords |= NEED_EYE_DRIVER;
ctx->NewState |= _NEW_POINT; /* one of the bits from
* _MESA_NEW_NEED_EYE_COORDS.
*/
}