state.c revision 86a2de4f1f620a50a1a74c07f3003be640e63b56 
1/* $Id: state.c,v 1.20 2000/06/27 04:33:59 brianp Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version:  3.3
6 *
7 * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27
28/*
29 * This file initializes the immediate-mode dispatch table (which may
30 * be state-dependant) and manages internal Mesa state update.
31 */
32
33
34#ifdef PC_HEADER
35#include "all.h"
36#else
37#include "glheader.h"
38#include "accum.h"
39#include "alpha.h"
40#include "attrib.h"
41#include "bitmap.h"
42#include "blend.h"
43#include "buffers.h"
44#include "clip.h"
45#include "colortab.h"
46#include "context.h"
47#include "copypix.h"
48#include "cva.h"
49#include "depth.h"
50#include "dlist.h"
51#include "drawpix.h"
52#include "enable.h"
53#include "eval.h"
54#include "get.h"
55#include "feedback.h"
56#include "fog.h"
57#include "hint.h"
58#include "imaging.h"
59#include "light.h"
60#include "lines.h"
61#include "logic.h"
62#include "masking.h"
63#include "matrix.h"
64#include "mmath.h"
65#include "pipeline.h"
66#include "pixel.h"
67#include "pixeltex.h"
68#include "points.h"
69#include "polygon.h"
70#include "quads.h"
71#include "rastpos.h"
72#include "readpix.h"
73#include "rect.h"
74#include "scissor.h"
75#include "shade.h"
76#include "state.h"
77#include "stencil.h"
78#include "teximage.h"
79#include "texobj.h"
80#include "texstate.h"
81#include "texture.h"
82#include "triangle.h"
83#include "types.h"
84#include "varray.h"
85#include "vbfill.h"
86#include "vbrender.h"
87#include "winpos.h"
88#endif
89
90
91
92static int
93generic_noop(void)
94{
95#ifdef DEBUG
96   gl_problem(NULL, "undefined function dispatch");
97#endif
98   return 0;
99}
100
101
102/*
103 * Set all pointers in the given dispatch table to point to a
104 * generic no-op function.
105 */
106void
107_mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize)
108{
109   GLuint i;
110   void **dispatch = (void **) table;
111   for (i = 0; i < tableSize; i++) {
112      dispatch[i] = (void *) generic_noop;
113   }
114}
115
116
117/*
118 * Initialize the given dispatch table with pointers to Mesa's
119 * immediate-mode commands.
120 */
121void
122_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
123{
124   /* first initialize all dispatch slots to no-op */
125   _mesa_init_no_op_table(exec, tableSize);
126
127   /* load the dispatch slots we understand */
128   exec->Accum = _mesa_Accum;
129   exec->AlphaFunc = _mesa_AlphaFunc;
130   exec->Begin = _mesa_Begin;
131   exec->Bitmap = _mesa_Bitmap;
132   exec->BlendFunc = _mesa_BlendFunc;
133   exec->CallList = _mesa_CallList;
134   exec->CallLists = _mesa_CallLists;
135   exec->Clear = _mesa_Clear;
136   exec->ClearAccum = _mesa_ClearAccum;
137   exec->ClearColor = _mesa_ClearColor;
138   exec->ClearDepth = _mesa_ClearDepth;
139   exec->ClearIndex = _mesa_ClearIndex;
140   exec->ClearStencil = _mesa_ClearStencil;
141   exec->ClipPlane = _mesa_ClipPlane;
142   exec->Color3b = _mesa_Color3b;
143   exec->Color3bv = _mesa_Color3bv;
144   exec->Color3d = _mesa_Color3d;
145   exec->Color3dv = _mesa_Color3dv;
146   exec->Color3f = _mesa_Color3f;
147   exec->Color3fv = _mesa_Color3fv;
148   exec->Color3i = _mesa_Color3i;
149   exec->Color3iv = _mesa_Color3iv;
150   exec->Color3s = _mesa_Color3s;
151   exec->Color3sv = _mesa_Color3sv;
152   exec->Color3ub = _mesa_Color3ub;
153   exec->Color3ubv = _mesa_Color3ubv;
154   exec->Color3ui = _mesa_Color3ui;
155   exec->Color3uiv = _mesa_Color3uiv;
156   exec->Color3us = _mesa_Color3us;
157   exec->Color3usv = _mesa_Color3usv;
158   exec->Color4b = _mesa_Color4b;
159   exec->Color4bv = _mesa_Color4bv;
160   exec->Color4d = _mesa_Color4d;
161   exec->Color4dv = _mesa_Color4dv;
162   exec->Color4f = _mesa_Color4f;
163   exec->Color4fv = _mesa_Color4fv;
164   exec->Color4i = _mesa_Color4i;
165   exec->Color4iv = _mesa_Color4iv;
166   exec->Color4s = _mesa_Color4s;
167   exec->Color4sv = _mesa_Color4sv;
168   exec->Color4ub = _mesa_Color4ub;
169   exec->Color4ubv = _mesa_Color4ubv;
170   exec->Color4ui = _mesa_Color4ui;
171   exec->Color4uiv = _mesa_Color4uiv;
172   exec->Color4us = _mesa_Color4us;
173   exec->Color4usv = _mesa_Color4usv;
174   exec->ColorMask = _mesa_ColorMask;
175   exec->ColorMaterial = _mesa_ColorMaterial;
176   exec->CopyPixels = _mesa_CopyPixels;
177   exec->CullFace = _mesa_CullFace;
178   exec->DeleteLists = _mesa_DeleteLists;
179   exec->DepthFunc = _mesa_DepthFunc;
180   exec->DepthMask = _mesa_DepthMask;
181   exec->DepthRange = _mesa_DepthRange;
182   exec->Disable = _mesa_Disable;
183   exec->DrawBuffer = _mesa_DrawBuffer;
184   exec->DrawPixels = _mesa_DrawPixels;
185   exec->EdgeFlag = _mesa_EdgeFlag;
186   exec->EdgeFlagv = _mesa_EdgeFlagv;
187   exec->Enable = _mesa_Enable;
188   exec->End = _mesa_End;
189   exec->EndList = _mesa_EndList;
190   exec->EvalCoord1d = _mesa_EvalCoord1d;
191   exec->EvalCoord1dv = _mesa_EvalCoord1dv;
192   exec->EvalCoord1f = _mesa_EvalCoord1f;
193   exec->EvalCoord1fv = _mesa_EvalCoord1fv;
194   exec->EvalCoord2d = _mesa_EvalCoord2d;
195   exec->EvalCoord2dv = _mesa_EvalCoord2dv;
196   exec->EvalCoord2f = _mesa_EvalCoord2f;
197   exec->EvalCoord2fv = _mesa_EvalCoord2fv;
198   exec->EvalMesh1 = _mesa_EvalMesh1;
199   exec->EvalMesh2 = _mesa_EvalMesh2;
200   exec->EvalPoint1 = _mesa_EvalPoint1;
201   exec->EvalPoint2 = _mesa_EvalPoint2;
202   exec->FeedbackBuffer = _mesa_FeedbackBuffer;
203   exec->Finish = _mesa_Finish;
204   exec->Flush = _mesa_Flush;
205   exec->Fogf = _mesa_Fogf;
206   exec->Fogfv = _mesa_Fogfv;
207   exec->Fogi = _mesa_Fogi;
208   exec->Fogiv = _mesa_Fogiv;
209   exec->FrontFace = _mesa_FrontFace;
210   exec->Frustum = _mesa_Frustum;
211   exec->GenLists = _mesa_GenLists;
212   exec->GetBooleanv = _mesa_GetBooleanv;
213   exec->GetClipPlane = _mesa_GetClipPlane;
214   exec->GetDoublev = _mesa_GetDoublev;
215   exec->GetError = _mesa_GetError;
216   exec->GetFloatv = _mesa_GetFloatv;
217   exec->GetIntegerv = _mesa_GetIntegerv;
218   exec->GetLightfv = _mesa_GetLightfv;
219   exec->GetLightiv = _mesa_GetLightiv;
220   exec->GetMapdv = _mesa_GetMapdv;
221   exec->GetMapfv = _mesa_GetMapfv;
222   exec->GetMapiv = _mesa_GetMapiv;
223   exec->GetMaterialfv = _mesa_GetMaterialfv;
224   exec->GetMaterialiv = _mesa_GetMaterialiv;
225   exec->GetPixelMapfv = _mesa_GetPixelMapfv;
226   exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
227   exec->GetPixelMapusv = _mesa_GetPixelMapusv;
228   exec->GetPolygonStipple = _mesa_GetPolygonStipple;
229   exec->GetString = _mesa_GetString;
230   exec->GetTexEnvfv = _mesa_GetTexEnvfv;
231   exec->GetTexEnviv = _mesa_GetTexEnviv;
232   exec->GetTexGendv = _mesa_GetTexGendv;
233   exec->GetTexGenfv = _mesa_GetTexGenfv;
234   exec->GetTexGeniv = _mesa_GetTexGeniv;
235   exec->GetTexImage = _mesa_GetTexImage;
236   exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
237   exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
238   exec->GetTexParameterfv = _mesa_GetTexParameterfv;
239   exec->GetTexParameteriv = _mesa_GetTexParameteriv;
240   exec->Hint = _mesa_Hint;
241   exec->IndexMask = _mesa_IndexMask;
242   exec->Indexd = _mesa_Indexd;
243   exec->Indexdv = _mesa_Indexdv;
244   exec->Indexf = _mesa_Indexf;
245   exec->Indexfv = _mesa_Indexfv;
246   exec->Indexi = _mesa_Indexi;
247   exec->Indexiv = _mesa_Indexiv;
248   exec->Indexs = _mesa_Indexs;
249   exec->Indexsv = _mesa_Indexsv;
250   exec->InitNames = _mesa_InitNames;
251   exec->IsEnabled = _mesa_IsEnabled;
252   exec->IsList = _mesa_IsList;
253   exec->LightModelf = _mesa_LightModelf;
254   exec->LightModelfv = _mesa_LightModelfv;
255   exec->LightModeli = _mesa_LightModeli;
256   exec->LightModeliv = _mesa_LightModeliv;
257   exec->Lightf = _mesa_Lightf;
258   exec->Lightfv = _mesa_Lightfv;
259   exec->Lighti = _mesa_Lighti;
260   exec->Lightiv = _mesa_Lightiv;
261   exec->LineStipple = _mesa_LineStipple;
262   exec->LineWidth = _mesa_LineWidth;
263   exec->ListBase = _mesa_ListBase;
264   exec->LoadIdentity = _mesa_LoadIdentity;
265   exec->LoadMatrixd = _mesa_LoadMatrixd;
266   exec->LoadMatrixf = _mesa_LoadMatrixf;
267   exec->LoadName = _mesa_LoadName;
268   exec->LogicOp = _mesa_LogicOp;
269   exec->Map1d = _mesa_Map1d;
270   exec->Map1f = _mesa_Map1f;
271   exec->Map2d = _mesa_Map2d;
272   exec->Map2f = _mesa_Map2f;
273   exec->MapGrid1d = _mesa_MapGrid1d;
274   exec->MapGrid1f = _mesa_MapGrid1f;
275   exec->MapGrid2d = _mesa_MapGrid2d;
276   exec->MapGrid2f = _mesa_MapGrid2f;
277   exec->Materialf = _mesa_Materialf;
278   exec->Materialfv = _mesa_Materialfv;
279   exec->Materiali = _mesa_Materiali;
280   exec->Materialiv = _mesa_Materialiv;
281   exec->MatrixMode = _mesa_MatrixMode;
282   exec->MultMatrixd = _mesa_MultMatrixd;
283   exec->MultMatrixf = _mesa_MultMatrixf;
284   exec->NewList = _mesa_NewList;
285   exec->Normal3b = _mesa_Normal3b;
286   exec->Normal3bv = _mesa_Normal3bv;
287   exec->Normal3d = _mesa_Normal3d;
288   exec->Normal3dv = _mesa_Normal3dv;
289   exec->Normal3f = _mesa_Normal3f;
290   exec->Normal3fv = _mesa_Normal3fv;
291   exec->Normal3i = _mesa_Normal3i;
292   exec->Normal3iv = _mesa_Normal3iv;
293   exec->Normal3s = _mesa_Normal3s;
294   exec->Normal3sv = _mesa_Normal3sv;
295   exec->Ortho = _mesa_Ortho;
296   exec->PassThrough = _mesa_PassThrough;
297   exec->PixelMapfv = _mesa_PixelMapfv;
298   exec->PixelMapuiv = _mesa_PixelMapuiv;
299   exec->PixelMapusv = _mesa_PixelMapusv;
300   exec->PixelStoref = _mesa_PixelStoref;
301   exec->PixelStorei = _mesa_PixelStorei;
302   exec->PixelTransferf = _mesa_PixelTransferf;
303   exec->PixelTransferi = _mesa_PixelTransferi;
304   exec->PixelZoom = _mesa_PixelZoom;
305   exec->PointSize = _mesa_PointSize;
306   exec->PolygonMode = _mesa_PolygonMode;
307   exec->PolygonOffset = _mesa_PolygonOffset;
308   exec->PolygonStipple = _mesa_PolygonStipple;
309   exec->PopAttrib = _mesa_PopAttrib;
310   exec->PopMatrix = _mesa_PopMatrix;
311   exec->PopName = _mesa_PopName;
312   exec->PushAttrib = _mesa_PushAttrib;
313   exec->PushMatrix = _mesa_PushMatrix;
314   exec->PushName = _mesa_PushName;
315   exec->RasterPos2d = _mesa_RasterPos2d;
316   exec->RasterPos2dv = _mesa_RasterPos2dv;
317   exec->RasterPos2f = _mesa_RasterPos2f;
318   exec->RasterPos2fv = _mesa_RasterPos2fv;
319   exec->RasterPos2i = _mesa_RasterPos2i;
320   exec->RasterPos2iv = _mesa_RasterPos2iv;
321   exec->RasterPos2s = _mesa_RasterPos2s;
322   exec->RasterPos2sv = _mesa_RasterPos2sv;
323   exec->RasterPos3d = _mesa_RasterPos3d;
324   exec->RasterPos3dv = _mesa_RasterPos3dv;
325   exec->RasterPos3f = _mesa_RasterPos3f;
326   exec->RasterPos3fv = _mesa_RasterPos3fv;
327   exec->RasterPos3i = _mesa_RasterPos3i;
328   exec->RasterPos3iv = _mesa_RasterPos3iv;
329   exec->RasterPos3s = _mesa_RasterPos3s;
330   exec->RasterPos3sv = _mesa_RasterPos3sv;
331   exec->RasterPos4d = _mesa_RasterPos4d;
332   exec->RasterPos4dv = _mesa_RasterPos4dv;
333   exec->RasterPos4f = _mesa_RasterPos4f;
334   exec->RasterPos4fv = _mesa_RasterPos4fv;
335   exec->RasterPos4i = _mesa_RasterPos4i;
336   exec->RasterPos4iv = _mesa_RasterPos4iv;
337   exec->RasterPos4s = _mesa_RasterPos4s;
338   exec->RasterPos4sv = _mesa_RasterPos4sv;
339   exec->ReadBuffer = _mesa_ReadBuffer;
340   exec->ReadPixels = _mesa_ReadPixels;
341   exec->Rectd = _mesa_Rectd;
342   exec->Rectdv = _mesa_Rectdv;
343   exec->Rectf = _mesa_Rectf;
344   exec->Rectfv = _mesa_Rectfv;
345   exec->Recti = _mesa_Recti;
346   exec->Rectiv = _mesa_Rectiv;
347   exec->Rects = _mesa_Rects;
348   exec->Rectsv = _mesa_Rectsv;
349   exec->RenderMode = _mesa_RenderMode;
350   exec->Rotated = _mesa_Rotated;
351   exec->Rotatef = _mesa_Rotatef;
352   exec->Scaled = _mesa_Scaled;
353   exec->Scalef = _mesa_Scalef;
354   exec->Scissor = _mesa_Scissor;
355   exec->SelectBuffer = _mesa_SelectBuffer;
356   exec->ShadeModel = _mesa_ShadeModel;
357   exec->StencilFunc = _mesa_StencilFunc;
358   exec->StencilMask = _mesa_StencilMask;
359   exec->StencilOp = _mesa_StencilOp;
360   exec->TexCoord1d = _mesa_TexCoord1d;
361   exec->TexCoord1dv = _mesa_TexCoord1dv;
362   exec->TexCoord1f = _mesa_TexCoord1f;
363   exec->TexCoord1fv = _mesa_TexCoord1fv;
364   exec->TexCoord1i = _mesa_TexCoord1i;
365   exec->TexCoord1iv = _mesa_TexCoord1iv;
366   exec->TexCoord1s = _mesa_TexCoord1s;
367   exec->TexCoord1sv = _mesa_TexCoord1sv;
368   exec->TexCoord2d = _mesa_TexCoord2d;
369   exec->TexCoord2dv = _mesa_TexCoord2dv;
370   exec->TexCoord2f = _mesa_TexCoord2f;
371   exec->TexCoord2fv = _mesa_TexCoord2fv;
372   exec->TexCoord2i = _mesa_TexCoord2i;
373   exec->TexCoord2iv = _mesa_TexCoord2iv;
374   exec->TexCoord2s = _mesa_TexCoord2s;
375   exec->TexCoord2sv = _mesa_TexCoord2sv;
376   exec->TexCoord3d = _mesa_TexCoord3d;
377   exec->TexCoord3dv = _mesa_TexCoord3dv;
378   exec->TexCoord3f = _mesa_TexCoord3f;
379   exec->TexCoord3fv = _mesa_TexCoord3fv;
380   exec->TexCoord3i = _mesa_TexCoord3i;
381   exec->TexCoord3iv = _mesa_TexCoord3iv;
382   exec->TexCoord3s = _mesa_TexCoord3s;
383   exec->TexCoord3sv = _mesa_TexCoord3sv;
384   exec->TexCoord4d = _mesa_TexCoord4d;
385   exec->TexCoord4dv = _mesa_TexCoord4dv;
386   exec->TexCoord4f = _mesa_TexCoord4f;
387   exec->TexCoord4fv = _mesa_TexCoord4fv;
388   exec->TexCoord4i = _mesa_TexCoord4i;
389   exec->TexCoord4iv = _mesa_TexCoord4iv;
390   exec->TexCoord4s = _mesa_TexCoord4s;
391   exec->TexCoord4sv = _mesa_TexCoord4sv;
392   exec->TexEnvf = _mesa_TexEnvf;
393   exec->TexEnvfv = _mesa_TexEnvfv;
394   exec->TexEnvi = _mesa_TexEnvi;
395   exec->TexEnviv = _mesa_TexEnviv;
396   exec->TexGend = _mesa_TexGend;
397   exec->TexGendv = _mesa_TexGendv;
398   exec->TexGenf = _mesa_TexGenf;
399   exec->TexGenfv = _mesa_TexGenfv;
400   exec->TexGeni = _mesa_TexGeni;
401   exec->TexGeniv = _mesa_TexGeniv;
402   exec->TexImage1D = _mesa_TexImage1D;
403   exec->TexImage2D = _mesa_TexImage2D;
404   exec->TexParameterf = _mesa_TexParameterf;
405   exec->TexParameterfv = _mesa_TexParameterfv;
406   exec->TexParameteri = _mesa_TexParameteri;
407   exec->TexParameteriv = _mesa_TexParameteriv;
408   exec->Translated = _mesa_Translated;
409   exec->Translatef = _mesa_Translatef;
410   exec->Vertex2d = _mesa_Vertex2d;
411   exec->Vertex2dv = _mesa_Vertex2dv;
412   exec->Vertex2f = _mesa_Vertex2f;
413   exec->Vertex2fv = _mesa_Vertex2fv;
414   exec->Vertex2i = _mesa_Vertex2i;
415   exec->Vertex2iv = _mesa_Vertex2iv;
416   exec->Vertex2s = _mesa_Vertex2s;
417   exec->Vertex2sv = _mesa_Vertex2sv;
418   exec->Vertex3d = _mesa_Vertex3d;
419   exec->Vertex3dv = _mesa_Vertex3dv;
420   exec->Vertex3f = _mesa_Vertex3f;
421   exec->Vertex3fv = _mesa_Vertex3fv;
422   exec->Vertex3i = _mesa_Vertex3i;
423   exec->Vertex3iv = _mesa_Vertex3iv;
424   exec->Vertex3s = _mesa_Vertex3s;
425   exec->Vertex3sv = _mesa_Vertex3sv;
426   exec->Vertex4d = _mesa_Vertex4d;
427   exec->Vertex4dv = _mesa_Vertex4dv;
428   exec->Vertex4f = _mesa_Vertex4f;
429   exec->Vertex4fv = _mesa_Vertex4fv;
430   exec->Vertex4i = _mesa_Vertex4i;
431   exec->Vertex4iv = _mesa_Vertex4iv;
432   exec->Vertex4s = _mesa_Vertex4s;
433   exec->Vertex4sv = _mesa_Vertex4sv;
434   exec->Viewport = _mesa_Viewport;
435
436   /* 1.1 */
437   exec->AreTexturesResident = _mesa_AreTexturesResident;
438   exec->ArrayElement = _mesa_ArrayElement;
439   exec->BindTexture = _mesa_BindTexture;
440   exec->ColorPointer = _mesa_ColorPointer;
441   exec->CopyTexImage1D = _mesa_CopyTexImage1D;
442   exec->CopyTexImage2D = _mesa_CopyTexImage2D;
443   exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
444   exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
445   exec->DeleteTextures = _mesa_DeleteTextures;
446   exec->DisableClientState = _mesa_DisableClientState;
447   exec->DrawArrays = _mesa_DrawArrays;
448   exec->DrawElements = _mesa_DrawElements;
449   exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
450   exec->EnableClientState = _mesa_EnableClientState;
451   exec->GenTextures = _mesa_GenTextures;
452   exec->GetPointerv = _mesa_GetPointerv;
453   exec->IndexPointer = _mesa_IndexPointer;
454   exec->Indexub = _mesa_Indexub;
455   exec->Indexubv = _mesa_Indexubv;
456   exec->InterleavedArrays = _mesa_InterleavedArrays;
457   exec->IsTexture = _mesa_IsTexture;
458   exec->NormalPointer = _mesa_NormalPointer;
459   exec->PopClientAttrib = _mesa_PopClientAttrib;
460   exec->PrioritizeTextures = _mesa_PrioritizeTextures;
461   exec->PushClientAttrib = _mesa_PushClientAttrib;
462   exec->TexCoordPointer = _mesa_TexCoordPointer;
463   exec->TexSubImage1D = _mesa_TexSubImage1D;
464   exec->TexSubImage2D = _mesa_TexSubImage2D;
465   exec->VertexPointer = _mesa_VertexPointer;
466
467   /* 1.2 */
468   exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
469   exec->DrawRangeElements = _mesa_DrawRangeElements;
470   exec->TexImage3D = _mesa_TexImage3D;
471   exec->TexSubImage3D = _mesa_TexSubImage3D;
472
473   /* OpenGL 1.2  GL_ARB_imaging */
474   exec->BlendColor = _mesa_BlendColor;
475   exec->BlendEquation = _mesa_BlendEquation;
476   exec->ColorSubTable = _mesa_ColorSubTable;
477   exec->ColorTable = _mesa_ColorTable;
478   exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
479   exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
480   exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
481   exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
482   exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
483   exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
484   exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
485   exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
486   exec->CopyColorSubTable = _mesa_CopyColorSubTable;
487   exec->CopyColorTable = _mesa_CopyColorTable;
488   exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
489   exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
490   exec->GetColorTable = _mesa_GetColorTable;
491   exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
492   exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
493   exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
494   exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
495   exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
496   exec->GetHistogram = _mesa_GetHistogram;
497   exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
498   exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
499   exec->GetMinmax = _mesa_GetMinmax;
500   exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
501   exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
502   exec->GetSeparableFilter = _mesa_GetSeparableFilter;
503   exec->Histogram = _mesa_Histogram;
504   exec->Minmax = _mesa_Minmax;
505   exec->ResetHistogram = _mesa_ResetHistogram;
506   exec->ResetMinmax = _mesa_ResetMinmax;
507   exec->SeparableFilter2D = _mesa_SeparableFilter2D;
508
509   /* 2. GL_EXT_blend_color */
510#if 0
511   exec->BlendColorEXT = _mesa_BlendColorEXT;
512#endif
513
514   /* 3. GL_EXT_polygon_offset */
515   exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
516
517   /* 6. GL_EXT_texture3d */
518#if 0
519   exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D;
520   exec->TexImage3DEXT = _mesa_TexImage3DEXT;
521   exec->TexSubImage3DEXT = _mesa_TexSubImage3D;
522#endif
523
524   /* 11. GL_EXT_histogram */
525   exec->GetHistogramEXT = _mesa_GetHistogram;
526   exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
527   exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
528   exec->GetMinmaxEXT = _mesa_GetMinmax;
529   exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
530   exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
531
532   /* ?. GL_SGIX_pixel_texture */
533   exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX;
534
535   /* 15. GL_SGIS_pixel_texture */
536   exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS;
537   exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS;
538   exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS;
539   exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS;
540   exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS;
541   exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS;
542
543   /* 30. GL_EXT_vertex_array */
544   exec->ColorPointerEXT = _mesa_ColorPointerEXT;
545   exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT;
546   exec->IndexPointerEXT = _mesa_IndexPointerEXT;
547   exec->NormalPointerEXT = _mesa_NormalPointerEXT;
548   exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT;
549   exec->VertexPointerEXT = _mesa_VertexPointerEXT;
550
551   /* 37. GL_EXT_blend_minmax */
552#if 0
553   exec->BlendEquationEXT = _mesa_BlendEquationEXT;
554#endif
555
556   /* 54. GL_EXT_point_parameters */
557   exec->PointParameterfEXT = _mesa_PointParameterfEXT;
558   exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
559
560   /* 77. GL_PGI_misc_hints */
561   exec->HintPGI = _mesa_HintPGI;
562
563   /* 78. GL_EXT_paletted_texture */
564#if 0
565   exec->ColorTableEXT = _mesa_ColorTableEXT;
566   exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
567#endif
568   exec->GetColorTableEXT = _mesa_GetColorTable;
569   exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
570   exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
571
572   /* 97. GL_EXT_compiled_vertex_array */
573   exec->LockArraysEXT = _mesa_LockArraysEXT;
574   exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
575
576   /* 173. GL_INGR_blend_func_separate */
577   exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
578
579   /* 196. GL_MESA_resize_buffers */
580   exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
581
582   /* 197. GL_MESA_window_pos */
583   exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
584   exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
585   exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
586   exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
587   exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
588   exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
589   exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
590   exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
591   exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
592   exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
593   exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
594   exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
595   exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
596   exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
597   exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
598   exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
599   exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
600   exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
601   exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
602   exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
603   exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
604   exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
605   exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
606   exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
607
608   /* ARB 1. GL_ARB_multitexture */
609   exec->ActiveTextureARB = _mesa_ActiveTextureARB;
610   exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
611   exec->MultiTexCoord1dARB = _mesa_MultiTexCoord1dARB;
612   exec->MultiTexCoord1dvARB = _mesa_MultiTexCoord1dvARB;
613   exec->MultiTexCoord1fARB = _mesa_MultiTexCoord1fARB;
614   exec->MultiTexCoord1fvARB = _mesa_MultiTexCoord1fvARB;
615   exec->MultiTexCoord1iARB = _mesa_MultiTexCoord1iARB;
616   exec->MultiTexCoord1ivARB = _mesa_MultiTexCoord1ivARB;
617   exec->MultiTexCoord1sARB = _mesa_MultiTexCoord1sARB;
618   exec->MultiTexCoord1svARB = _mesa_MultiTexCoord1svARB;
619   exec->MultiTexCoord2dARB = _mesa_MultiTexCoord2dARB;
620   exec->MultiTexCoord2dvARB = _mesa_MultiTexCoord2dvARB;
621   exec->MultiTexCoord2fARB = _mesa_MultiTexCoord2fARB;
622   exec->MultiTexCoord2fvARB = _mesa_MultiTexCoord2fvARB;
623   exec->MultiTexCoord2iARB = _mesa_MultiTexCoord2iARB;
624   exec->MultiTexCoord2ivARB = _mesa_MultiTexCoord2ivARB;
625   exec->MultiTexCoord2sARB = _mesa_MultiTexCoord2sARB;
626   exec->MultiTexCoord2svARB = _mesa_MultiTexCoord2svARB;
627   exec->MultiTexCoord3dARB = _mesa_MultiTexCoord3dARB;
628   exec->MultiTexCoord3dvARB = _mesa_MultiTexCoord3dvARB;
629   exec->MultiTexCoord3fARB = _mesa_MultiTexCoord3fARB;
630   exec->MultiTexCoord3fvARB = _mesa_MultiTexCoord3fvARB;
631   exec->MultiTexCoord3iARB = _mesa_MultiTexCoord3iARB;
632   exec->MultiTexCoord3ivARB = _mesa_MultiTexCoord3ivARB;
633   exec->MultiTexCoord3sARB = _mesa_MultiTexCoord3sARB;
634   exec->MultiTexCoord3svARB = _mesa_MultiTexCoord3svARB;
635   exec->MultiTexCoord4dARB = _mesa_MultiTexCoord4dARB;
636   exec->MultiTexCoord4dvARB = _mesa_MultiTexCoord4dvARB;
637   exec->MultiTexCoord4fARB = _mesa_MultiTexCoord4fARB;
638   exec->MultiTexCoord4fvARB = _mesa_MultiTexCoord4fvARB;
639   exec->MultiTexCoord4iARB = _mesa_MultiTexCoord4iARB;
640   exec->MultiTexCoord4ivARB = _mesa_MultiTexCoord4ivARB;
641   exec->MultiTexCoord4sARB = _mesa_MultiTexCoord4sARB;
642   exec->MultiTexCoord4svARB = _mesa_MultiTexCoord4svARB;
643
644   /* ARB 3. GL_ARB_transpose_matrix */
645   exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
646   exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
647   exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
648   exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
649
650   /* ARB 12. GL_ARB_texture_compression */
651   exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
652   exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
653   exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
654   exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
655   exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
656   exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
657   exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
658
659}
660
661
662
663/**********************************************************************/
664/*****                   State update logic                       *****/
665/**********************************************************************/
666
667
668/*
669 * Since the device driver may or may not support pixel logic ops we
670 * have to make some extensive tests to determine whether or not
671 * software-implemented logic operations have to be used.
672 */
673static void update_pixel_logic( GLcontext *ctx )
674{
675   if (ctx->Visual->RGBAflag) {
676      /* RGBA mode blending w/ Logic Op */
677      if (ctx->Color.ColorLogicOpEnabled) {
678	 if (ctx->Driver.LogicOp
679             && (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
680	    /* Device driver can do logic, don't have to do it in software */
681	    ctx->Color.SWLogicOpEnabled = GL_FALSE;
682	 }
683	 else {
684	    /* Device driver can't do logic op so we do it in software */
685	    ctx->Color.SWLogicOpEnabled = GL_TRUE;
686	 }
687      }
688      else {
689	 /* no logic op */
690	 if (ctx->Driver.LogicOp) {
691            (void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
692         }
693	 ctx->Color.SWLogicOpEnabled = GL_FALSE;
694      }
695   }
696   else {
697      /* CI mode Logic Op */
698      if (ctx->Color.IndexLogicOpEnabled) {
699	 if (ctx->Driver.LogicOp
700             && (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
701	    /* Device driver can do logic, don't have to do it in software */
702	    ctx->Color.SWLogicOpEnabled = GL_FALSE;
703	 }
704	 else {
705	    /* Device driver can't do logic op so we do it in software */
706	    ctx->Color.SWLogicOpEnabled = GL_TRUE;
707	 }
708      }
709      else {
710	 /* no logic op */
711	 if (ctx->Driver.LogicOp) {
712            (void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
713         }
714	 ctx->Color.SWLogicOpEnabled = GL_FALSE;
715      }
716   }
717}
718
719
720
721/*
722 * Check if software implemented RGBA or Color Index masking is needed.
723 */
724static void update_pixel_masking( GLcontext *ctx )
725{
726   if (ctx->Visual->RGBAflag) {
727      GLuint *colorMask = (GLuint *) ctx->Color.ColorMask;
728      if (*colorMask == 0xffffffff) {
729         /* disable masking */
730         if (ctx->Driver.ColorMask) {
731            (void) (*ctx->Driver.ColorMask)( ctx, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
732         }
733         ctx->Color.SWmasking = GL_FALSE;
734      }
735      else {
736         /* Ask driver to do color masking, if it can't then
737          * do it in software
738          */
739         GLboolean red   = ctx->Color.ColorMask[RCOMP] ? GL_TRUE : GL_FALSE;
740         GLboolean green = ctx->Color.ColorMask[GCOMP] ? GL_TRUE : GL_FALSE;
741         GLboolean blue  = ctx->Color.ColorMask[BCOMP] ? GL_TRUE : GL_FALSE;
742         GLboolean alpha = ctx->Color.ColorMask[ACOMP] ? GL_TRUE : GL_FALSE;
743         if (ctx->Driver.ColorMask
744             && (*ctx->Driver.ColorMask)( ctx, red, green, blue, alpha )) {
745            ctx->Color.SWmasking = GL_FALSE;
746         }
747         else {
748            ctx->Color.SWmasking = GL_TRUE;
749         }
750      }
751   }
752   else {
753      if (ctx->Color.IndexMask==0xffffffff) {
754         /* disable masking */
755         if (ctx->Driver.IndexMask) {
756            (void) (*ctx->Driver.IndexMask)( ctx, 0xffffffff );
757         }
758         ctx->Color.SWmasking = GL_FALSE;
759      }
760      else {
761         /* Ask driver to do index masking, if it can't then
762          * do it in software
763          */
764         if (ctx->Driver.IndexMask
765             && (*ctx->Driver.IndexMask)( ctx, ctx->Color.IndexMask )) {
766            ctx->Color.SWmasking = GL_FALSE;
767         }
768         else {
769            ctx->Color.SWmasking = GL_TRUE;
770         }
771      }
772   }
773}
774
775
776static void update_fog_mode( GLcontext *ctx )
777{
778   int old_mode = ctx->FogMode;
779
780   if (ctx->Fog.Enabled) {
781      if (ctx->Texture.Enabled)
782         ctx->FogMode = FOG_FRAGMENT;
783      else if (ctx->Hint.Fog == GL_NICEST)
784         ctx->FogMode = FOG_FRAGMENT;
785      else
786         ctx->FogMode = FOG_VERTEX;
787
788      if (ctx->Driver.GetParameteri)
789         if ((ctx->Driver.GetParameteri)( ctx, DD_HAVE_HARDWARE_FOG ))
790            ctx->FogMode = FOG_FRAGMENT;
791   }
792   else {
793      ctx->FogMode = FOG_NONE;
794   }
795
796   if (old_mode != ctx->FogMode)
797      ctx->NewState |= NEW_FOG;
798}
799
800
801/*
802 * Recompute the value of ctx->RasterMask, etc. according to
803 * the current context.
804 */
805static void update_rasterflags( GLcontext *ctx )
806{
807   ctx->RasterMask = 0;
808
809   if (ctx->Color.AlphaEnabled)		ctx->RasterMask |= ALPHATEST_BIT;
810   if (ctx->Color.BlendEnabled)		ctx->RasterMask |= BLEND_BIT;
811   if (ctx->Depth.Test)			ctx->RasterMask |= DEPTH_BIT;
812   if (ctx->FogMode==FOG_FRAGMENT)	ctx->RasterMask |= FOG_BIT;
813   if (ctx->Color.SWLogicOpEnabled)	ctx->RasterMask |= LOGIC_OP_BIT;
814   if (ctx->Scissor.Enabled)		ctx->RasterMask |= SCISSOR_BIT;
815   if (ctx->Stencil.Enabled)		ctx->RasterMask |= STENCIL_BIT;
816   if (ctx->Color.SWmasking)		ctx->RasterMask |= MASKING_BIT;
817   if (ctx->Texture.ReallyEnabled)	ctx->RasterMask |= TEXTURE_BIT;
818
819   if (ctx->DrawBuffer->UseSoftwareAlphaBuffers
820       && ctx->Color.ColorMask[ACOMP]
821       && ctx->Color.DrawBuffer != GL_NONE)
822      ctx->RasterMask |= ALPHABUF_BIT;
823
824   if (   ctx->Viewport.X<0
825       || ctx->Viewport.X + ctx->Viewport.Width > ctx->DrawBuffer->Width
826       || ctx->Viewport.Y<0
827       || ctx->Viewport.Y + ctx->Viewport.Height > ctx->DrawBuffer->Height) {
828      ctx->RasterMask |= WINCLIP_BIT;
829   }
830
831   if (ctx->Depth.OcclusionTest)
832      ctx->RasterMask |= OCCLUSION_BIT;
833
834
835   /* If we're not drawing to exactly one color buffer set the
836    * MULTI_DRAW_BIT flag.  Also set it if we're drawing to no
837    * buffers or the RGBA or CI mask disables all writes.
838    */
839   ctx->TriangleCaps &= ~DD_MULTIDRAW;
840
841   if (ctx->Color.MultiDrawBuffer) {
842      ctx->RasterMask |= MULTI_DRAW_BIT;
843      ctx->TriangleCaps |= DD_MULTIDRAW;
844   }
845   else if (ctx->Color.DrawBuffer==GL_NONE) {
846      ctx->RasterMask |= MULTI_DRAW_BIT;
847      ctx->TriangleCaps |= DD_MULTIDRAW;
848   }
849   else if (ctx->Visual->RGBAflag && *((GLuint *) ctx->Color.ColorMask) == 0) {
850      /* all RGBA channels disabled */
851      ctx->RasterMask |= MULTI_DRAW_BIT;
852      ctx->TriangleCaps |= DD_MULTIDRAW;
853   }
854   else if (!ctx->Visual->RGBAflag && ctx->Color.IndexMask==0) {
855      /* all color index bits disabled */
856      ctx->RasterMask |= MULTI_DRAW_BIT;
857      ctx->TriangleCaps |= DD_MULTIDRAW;
858   }
859}
860
861
862void gl_print_state( const char *msg, GLuint state )
863{
864   fprintf(stderr,
865	   "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
866	   msg,
867	   state,
868	   (state & NEW_LIGHTING)         ? "lighting, " : "",
869	   (state & NEW_RASTER_OPS)       ? "raster-ops, " : "",
870	   (state & NEW_TEXTURING)        ? "texturing, " : "",
871	   (state & NEW_POLYGON)          ? "polygon, " : "",
872	   (state & NEW_DRVSTATE0)        ? "driver-0, " : "",
873	   (state & NEW_DRVSTATE1)        ? "driver-1, " : "",
874	   (state & NEW_DRVSTATE2)        ? "driver-2, " : "",
875	   (state & NEW_DRVSTATE3)        ? "driver-3, " : "",
876	   (state & NEW_MODELVIEW)        ? "modelview, " : "",
877	   (state & NEW_PROJECTION)       ? "projection, " : "",
878	   (state & NEW_TEXTURE_MATRIX)   ? "texture-matrix, " : "",
879	   (state & NEW_USER_CLIP)        ? "user-clip, " : "",
880	   (state & NEW_TEXTURE_ENV)      ? "texture-env, " : "",
881	   (state & NEW_CLIENT_STATE)     ? "client-state, " : "",
882	   (state & NEW_FOG)              ? "fog, " : "",
883	   (state & NEW_NORMAL_TRANSFORM) ? "normal-transform, " : "",
884	   (state & NEW_VIEWPORT)         ? "viewport, " : "",
885	   (state & NEW_TEXTURE_ENABLE)   ? "texture-enable, " : "");
886}
887
888
889void gl_print_enable_flags( const char *msg, GLuint flags )
890{
891   fprintf(stderr,
892	   "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s\n",
893	   msg,
894	   flags,
895	   (flags & ENABLE_TEX0)       ? "tex-0, " : "",
896	   (flags & ENABLE_TEX1)       ? "tex-1, " : "",
897	   (flags & ENABLE_LIGHT)      ? "light, " : "",
898	   (flags & ENABLE_FOG)        ? "fog, " : "",
899	   (flags & ENABLE_USERCLIP)   ? "userclip, " : "",
900	   (flags & ENABLE_TEXGEN0)    ? "tex-gen-0, " : "",
901	   (flags & ENABLE_TEXGEN1)    ? "tex-gen-1, " : "",
902	   (flags & ENABLE_TEXMAT0)    ? "tex-mat-0, " : "",
903	   (flags & ENABLE_TEXMAT1)    ? "tex-mat-1, " : "",
904	   (flags & ENABLE_NORMALIZE)  ? "normalize, " : "",
905	   (flags & ENABLE_RESCALE)    ? "rescale, " : "");
906}
907
908
909/*
910 * If ctx->NewState is non-zero then this function MUST be called before
911 * rendering any primitive.  Basically, function pointers and miscellaneous
912 * flags are updated to reflect the current state of the state machine.
913 */
914void gl_update_state( GLcontext *ctx )
915{
916   GLuint i;
917
918   if (MESA_VERBOSE & VERBOSE_STATE)
919      gl_print_state("", ctx->NewState);
920
921   if (ctx->NewState & NEW_CLIENT_STATE)
922      gl_update_client_state( ctx );
923
924   if ((ctx->NewState & NEW_TEXTURE_ENABLE) &&
925       (ctx->Enabled & ENABLE_TEX_ANY) != ctx->Texture.Enabled)
926      ctx->NewState |= NEW_TEXTURING | NEW_RASTER_OPS;
927
928   if (ctx->NewState & NEW_TEXTURE_ENV) {
929      if (ctx->Texture.Unit[0].EnvMode == ctx->Texture.Unit[0].LastEnvMode &&
930	  ctx->Texture.Unit[1].EnvMode == ctx->Texture.Unit[1].LastEnvMode)
931	 ctx->NewState &= ~NEW_TEXTURE_ENV;
932      ctx->Texture.Unit[0].LastEnvMode = ctx->Texture.Unit[0].EnvMode;
933      ctx->Texture.Unit[1].LastEnvMode = ctx->Texture.Unit[1].EnvMode;
934   }
935
936   if (ctx->NewState & NEW_TEXTURE_MATRIX) {
937      ctx->Enabled &= ~(ENABLE_TEXMAT0|ENABLE_TEXMAT1);
938
939      for (i=0; i < MAX_TEXTURE_UNITS; i++) {
940	 if (ctx->TextureMatrix[i].flags & MAT_DIRTY_ALL_OVER) {
941	    gl_matrix_analyze( &ctx->TextureMatrix[i] );
942	    ctx->TextureMatrix[i].flags &= ~MAT_DIRTY_DEPENDENTS;
943
944	    if (ctx->Texture.Unit[i].Enabled &&
945		ctx->TextureMatrix[i].type != MATRIX_IDENTITY)
946	       ctx->Enabled |= ENABLE_TEXMAT0 << i;
947	 }
948      }
949   }
950
951   if (ctx->NewState & (NEW_TEXTURING | NEW_TEXTURE_ENABLE)) {
952      ctx->Texture.NeedNormals = GL_FALSE;
953      gl_update_dirty_texobjs(ctx);
954      ctx->Enabled &= ~(ENABLE_TEXGEN0 | ENABLE_TEXGEN1);
955      ctx->Texture.ReallyEnabled = 0;
956
957      for (i=0; i < MAX_TEXTURE_UNITS; i++) {
958	 if (ctx->Texture.Unit[i].Enabled) {
959	    gl_update_texture_unit( ctx, &ctx->Texture.Unit[i] );
960
961	    ctx->Texture.ReallyEnabled |=
962	       ctx->Texture.Unit[i].ReallyEnabled << (i * 4);
963
964	    if (ctx->Texture.Unit[i].GenFlags != 0) {
965	       ctx->Enabled |= ENABLE_TEXGEN0 << i;
966
967	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_NORMALS) {
968		  ctx->Texture.NeedNormals = GL_TRUE;
969		  ctx->Texture.NeedEyeCoords = GL_TRUE;
970	       }
971
972	       if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_EYE_COORD) {
973		  ctx->Texture.NeedEyeCoords = GL_TRUE;
974	       }
975	    }
976	 }
977      }
978
979      ctx->Texture.Enabled = ctx->Enabled & ENABLE_TEX_ANY;
980      ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
981   }
982
983   if (ctx->NewState & (NEW_RASTER_OPS | NEW_LIGHTING | NEW_FOG | NEW_TEXTURE_ENABLE)) {
984
985      if (ctx->NewState & (NEW_RASTER_OPS | NEW_TEXTURE_ENABLE)) {
986	 update_pixel_logic(ctx);
987	 update_pixel_masking(ctx);
988	 update_fog_mode(ctx);
989	 update_rasterflags(ctx);
990	 if (ctx->Driver.Dither) {
991	    (*ctx->Driver.Dither)( ctx, ctx->Color.DitherFlag );
992	 }
993
994	 /* update scissor region */
995	 ctx->DrawBuffer->Xmin = 0;
996	 ctx->DrawBuffer->Ymin = 0;
997	 ctx->DrawBuffer->Xmax = ctx->DrawBuffer->Width-1;
998	 ctx->DrawBuffer->Ymax = ctx->DrawBuffer->Height-1;
999	 if (ctx->Scissor.Enabled) {
1000	    if (ctx->Scissor.X > ctx->DrawBuffer->Xmin) {
1001	       ctx->DrawBuffer->Xmin = ctx->Scissor.X;
1002	    }
1003	    if (ctx->Scissor.Y > ctx->DrawBuffer->Ymin) {
1004	       ctx->DrawBuffer->Ymin = ctx->Scissor.Y;
1005	    }
1006	    if (ctx->Scissor.X + ctx->Scissor.Width - 1 < ctx->DrawBuffer->Xmax) {
1007	       ctx->DrawBuffer->Xmax = ctx->Scissor.X + ctx->Scissor.Width - 1;
1008	    }
1009	    if (ctx->Scissor.Y + ctx->Scissor.Height - 1 < ctx->DrawBuffer->Ymax) {
1010	       ctx->DrawBuffer->Ymax = ctx->Scissor.Y + ctx->Scissor.Height - 1;
1011	    }
1012	 }
1013      }
1014
1015      if (ctx->NewState & NEW_LIGHTING) {
1016	 ctx->TriangleCaps &= ~(DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
1017	 if (ctx->Light.Enabled) {
1018	    if (ctx->Light.Model.TwoSide)
1019	       ctx->TriangleCaps |= (DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
1020	    gl_update_lighting(ctx);
1021	 }
1022      }
1023   }
1024
1025   if (ctx->NewState & (NEW_POLYGON | NEW_LIGHTING)) {
1026
1027      ctx->TriangleCaps &= ~DD_TRI_CULL_FRONT_BACK;
1028
1029      if (ctx->NewState & NEW_POLYGON) {
1030	 /* Setup CullBits bitmask */
1031	 if (ctx->Polygon.CullFlag) {
1032	    ctx->backface_sign = 1;
1033	    switch(ctx->Polygon.CullFaceMode) {
1034	    case GL_BACK:
1035	       if(ctx->Polygon.FrontFace==GL_CCW)
1036		  ctx->backface_sign = -1;
1037	       ctx->Polygon.CullBits = 1;
1038	       break;
1039	    case GL_FRONT:
1040	       if(ctx->Polygon.FrontFace!=GL_CCW)
1041		  ctx->backface_sign = -1;
1042	       ctx->Polygon.CullBits = 2;
1043	       break;
1044	    default:
1045	    case GL_FRONT_AND_BACK:
1046	       ctx->backface_sign = 0;
1047	       ctx->Polygon.CullBits = 0;
1048	       ctx->TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
1049	       break;
1050	    }
1051	 }
1052	 else {
1053	    ctx->Polygon.CullBits = 3;
1054	    ctx->backface_sign = 0;
1055	 }
1056
1057	 /* Any Polygon offsets enabled? */
1058	 ctx->TriangleCaps &= ~DD_TRI_OFFSET;
1059
1060	 if (ctx->Polygon.OffsetPoint ||
1061	     ctx->Polygon.OffsetLine ||
1062	     ctx->Polygon.OffsetFill)
1063	    ctx->TriangleCaps |= DD_TRI_OFFSET;
1064      }
1065   }
1066
1067   if (ctx->NewState & ~(NEW_CLIENT_STATE|
1068			 NEW_DRIVER_STATE|NEW_USER_CLIP|
1069			 NEW_POLYGON))
1070      gl_update_clipmask(ctx);
1071
1072   if (ctx->NewState & (NEW_LIGHTING|
1073			NEW_RASTER_OPS|
1074			NEW_TEXTURING|
1075			NEW_TEXTURE_ENABLE|
1076			NEW_TEXTURE_ENV|
1077			NEW_POLYGON|
1078			NEW_DRVSTATE0|
1079			NEW_DRVSTATE1|
1080			NEW_DRVSTATE2|
1081			NEW_DRVSTATE3|
1082			NEW_USER_CLIP))
1083   {
1084      ctx->IndirectTriangles = ctx->TriangleCaps & ~ctx->Driver.TriangleCaps;
1085      ctx->IndirectTriangles |= DD_SW_RASTERIZE;
1086
1087      if (MESA_VERBOSE&VERBOSE_CULL)
1088	 gl_print_tri_caps("initial indirect tris", ctx->IndirectTriangles);
1089
1090      ctx->Driver.PointsFunc = NULL;
1091      ctx->Driver.LineFunc = NULL;
1092      ctx->Driver.TriangleFunc = NULL;
1093      ctx->Driver.QuadFunc = NULL;
1094      ctx->Driver.RectFunc = NULL;
1095      ctx->Driver.RenderVBClippedTab = NULL;
1096      ctx->Driver.RenderVBCulledTab = NULL;
1097      ctx->Driver.RenderVBRawTab = NULL;
1098
1099      /*
1100       * Here the driver sets up all the ctx->Driver function pointers to
1101       * it's specific, private functions.
1102       */
1103      ctx->Driver.UpdateState(ctx);
1104
1105      if (MESA_VERBOSE&VERBOSE_CULL)
1106	 gl_print_tri_caps("indirect tris", ctx->IndirectTriangles);
1107
1108      /*
1109       * In case the driver didn't hook in an optimized point, line or
1110       * triangle function we'll now select "core/fallback" point, line
1111       * and triangle functions.
1112       */
1113      if (ctx->IndirectTriangles & DD_SW_RASTERIZE) {
1114	 gl_set_point_function(ctx);
1115	 gl_set_line_function(ctx);
1116	 gl_set_triangle_function(ctx);
1117	 gl_set_quad_function(ctx);
1118
1119	 if ((ctx->IndirectTriangles &
1120	      (DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL)) ==
1121	     (DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL))
1122	    ctx->IndirectTriangles &= ~DD_TRI_CULL;
1123      }
1124
1125      if (MESA_VERBOSE&VERBOSE_CULL)
1126	 gl_print_tri_caps("indirect tris 2", ctx->IndirectTriangles);
1127
1128      gl_set_render_vb_function(ctx);
1129   }
1130
1131   /* Should only be calc'd when !need_eye_coords and not culling.
1132    */
1133   if (ctx->NewState & (NEW_MODELVIEW|NEW_PROJECTION)) {
1134      if (ctx->NewState & NEW_MODELVIEW) {
1135	 gl_matrix_analyze( &ctx->ModelView );
1136	 ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
1137      }
1138
1139      if (ctx->NewState & NEW_PROJECTION) {
1140	 gl_matrix_analyze( &ctx->ProjectionMatrix );
1141	 ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
1142
1143	 if (ctx->Transform.AnyClip) {
1144	    gl_update_userclip( ctx );
1145	 }
1146      }
1147
1148      gl_calculate_model_project_matrix( ctx );
1149      ctx->ModelProjectWinMatrixUptodate = 0;
1150   }
1151
1152   if (ctx->NewState & NEW_COLOR_MATRIX) {
1153      gl_matrix_analyze( &ctx->ColorMatrix );
1154   }
1155
1156   /* Figure out whether we can light in object space or not.  If we
1157    * can, find the current positions of the lights in object space
1158    */
1159   if ((ctx->Enabled & (ENABLE_POINT_ATTEN | ENABLE_LIGHT | ENABLE_FOG |
1160			ENABLE_TEXGEN0 | ENABLE_TEXGEN1)) &&
1161       (ctx->NewState & (NEW_LIGHTING |
1162                         NEW_FOG |
1163			 NEW_MODELVIEW |
1164			 NEW_PROJECTION |
1165			 NEW_TEXTURING |
1166			 NEW_RASTER_OPS |
1167			 NEW_USER_CLIP)))
1168   {
1169      GLboolean oldcoord, oldnorm;
1170
1171      oldcoord = ctx->NeedEyeCoords;
1172      oldnorm = ctx->NeedEyeNormals;
1173
1174      ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
1175      ctx->NeedEyeCoords = ((ctx->Fog.Enabled && ctx->Hint.Fog != GL_NICEST) ||
1176			    ctx->Point.Attenuated);
1177      ctx->NeedEyeNormals = GL_FALSE;
1178
1179      if (ctx->Light.Enabled) {
1180	 if ((ctx->Light.Flags & LIGHT_POSITIONAL) || ctx->Light.NeedVertices){
1181	    /* Need length for attenuation or need angle for spotlights */
1182            ctx->NeedEyeCoords = GL_TRUE;
1183	 }
1184	 ctx->NeedEyeNormals = ctx->NeedEyeCoords;
1185      }
1186      if (ctx->Texture.Enabled || ctx->RenderMode==GL_FEEDBACK) {
1187	 if (ctx->Texture.NeedEyeCoords) ctx->NeedEyeCoords = GL_TRUE;
1188	 if (ctx->Texture.NeedNormals)
1189	    ctx->NeedNormals = ctx->NeedEyeNormals = GL_TRUE;
1190      }
1191
1192      ctx->vb_proj_matrix = &ctx->ModelProjectMatrix;
1193
1194      if (ctx->NeedEyeCoords)
1195	 ctx->vb_proj_matrix = &ctx->ProjectionMatrix;
1196
1197      if (ctx->Light.Enabled) {
1198	 gl_update_lighting_function(ctx);
1199
1200	 if ( (ctx->NewState & NEW_LIGHTING) ||
1201	      ((ctx->NewState & (NEW_MODELVIEW| NEW_PROJECTION)) &&
1202	       !ctx->NeedEyeCoords) ||
1203	      oldcoord != ctx->NeedEyeCoords ||
1204	      oldnorm != ctx->NeedEyeNormals) {
1205	    gl_compute_light_positions(ctx);
1206	 }
1207
1208	 ctx->rescale_factor = 1.0F;
1209
1210	 if (ctx->ModelView.flags & (MAT_FLAG_UNIFORM_SCALE |
1211				     MAT_FLAG_GENERAL_SCALE |
1212				     MAT_FLAG_GENERAL_3D |
1213				     MAT_FLAG_GENERAL) )
1214
1215	 {
1216	    GLfloat *m = ctx->ModelView.inv;
1217	    GLfloat f = m[2]*m[2] + m[6]*m[6] + m[10]*m[10];
1218	    if (f > 1e-12 && (f-1)*(f-1) > 1e-12)
1219	       ctx->rescale_factor = 1.0/GL_SQRT(f);
1220	 }
1221      }
1222
1223      gl_update_normal_transform( ctx );
1224   }
1225
1226   gl_update_pipelines(ctx);
1227   ctx->NewState = 0;
1228}
1229