source: trunk/src/opengl/mesa/state.c@ 3993

Last change on this file since 3993 was 3598, checked in by jeroen, 25 years ago

* empty log message *
File size: 43.2 KB
Line 
1/* $Id: state.c,v 1.1 2000-05-23 20:40:54 jeroen 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 "points.h"
68#include "polygon.h"
69#include "quads.h"
70#include "rastpos.h"
71#include "readpix.h"
72#include "rect.h"
73#include "scissor.h"
74#include "shade.h"
75#include "state.h"
76#include "stencil.h"
77#include "teximage.h"
78#include "texobj.h"
79#include "texstate.h"
80#include "texture.h"
81#include "triangle.h"
82#include "types.h"
83#include "varray.h"
84#include "vbfill.h"
85#include "vbrender.h"
86#include "winpos.h"
87#endif
88
89
90
91static int
92generic_noop(void)
93{
94#ifdef DEBUG
95 gl_problem(NULL, "undefined function dispatch");
96#endif
97 return 0;
98}
99
100
101void
102_mesa_init_no_op_table(struct _glapi_table *table)
103{
104 /* Check to be sure the dispatcher's table is at least as big as Mesa's. */
105 const GLuint size = sizeof(struct _glapi_table) / sizeof(void *);
106 ASSERT(_glapi_get_dispatch_table_size() >= size);
107
108 {
109 const GLuint n = _glapi_get_dispatch_table_size();
110 GLuint i;
111 void **dispatch = (void **) table;
112 for (i = 0; i < n; i++) {
113 dispatch[i] = (void *) generic_noop;
114 }
115 }
116}
117
118
119/*
120 * Initialize the given dispatch table with pointers to Mesa's
121 * immediate-mode commands.
122 */
123void
124_mesa_init_exec_table(struct _glapi_table *exec)
125{
126 /* first initialize all dispatch slots to no-op */
127 _mesa_init_no_op_table(exec);
128
129 /* load the dispatch slots we understand */
130 exec->Accum = _mesa_Accum;
131 exec->AlphaFunc = _mesa_AlphaFunc;
132 exec->Begin = _mesa_Begin;
133 exec->Bitmap = _mesa_Bitmap;
134 exec->BlendFunc = _mesa_BlendFunc;
135 exec->CallList = _mesa_CallList;
136 exec->CallLists = _mesa_CallLists;
137 exec->Clear = _mesa_Clear;
138 exec->ClearAccum = _mesa_ClearAccum;
139 exec->ClearColor = _mesa_ClearColor;
140 exec->ClearDepth = _mesa_ClearDepth;
141 exec->ClearIndex = _mesa_ClearIndex;
142 exec->ClearStencil = _mesa_ClearStencil;
143 exec->ClipPlane = _mesa_ClipPlane;
144 exec->Color3b = _mesa_Color3b;
145 exec->Color3bv = _mesa_Color3bv;
146 exec->Color3d = _mesa_Color3d;
147 exec->Color3dv = _mesa_Color3dv;
148 exec->Color3f = _mesa_Color3f;
149 exec->Color3fv = _mesa_Color3fv;
150 exec->Color3i = _mesa_Color3i;
151 exec->Color3iv = _mesa_Color3iv;
152 exec->Color3s = _mesa_Color3s;
153 exec->Color3sv = _mesa_Color3sv;
154 exec->Color3ub = _mesa_Color3ub;
155 exec->Color3ubv = _mesa_Color3ubv;
156 exec->Color3ui = _mesa_Color3ui;
157 exec->Color3uiv = _mesa_Color3uiv;
158 exec->Color3us = _mesa_Color3us;
159 exec->Color3usv = _mesa_Color3usv;
160 exec->Color4b = _mesa_Color4b;
161 exec->Color4bv = _mesa_Color4bv;
162 exec->Color4d = _mesa_Color4d;
163 exec->Color4dv = _mesa_Color4dv;
164 exec->Color4f = _mesa_Color4f;
165 exec->Color4fv = _mesa_Color4fv;
166 exec->Color4i = _mesa_Color4i;
167 exec->Color4iv = _mesa_Color4iv;
168 exec->Color4s = _mesa_Color4s;
169 exec->Color4sv = _mesa_Color4sv;
170 exec->Color4ub = _mesa_Color4ub;
171 exec->Color4ubv = _mesa_Color4ubv;
172 exec->Color4ui = _mesa_Color4ui;
173 exec->Color4uiv = _mesa_Color4uiv;
174 exec->Color4us = _mesa_Color4us;
175 exec->Color4usv = _mesa_Color4usv;
176 exec->ColorMask = _mesa_ColorMask;
177 exec->ColorMaterial = _mesa_ColorMaterial;
178 exec->CopyPixels = _mesa_CopyPixels;
179 exec->CullFace = _mesa_CullFace;
180 exec->DeleteLists = _mesa_DeleteLists;
181 exec->DepthFunc = _mesa_DepthFunc;
182 exec->DepthMask = _mesa_DepthMask;
183 exec->DepthRange = _mesa_DepthRange;
184 exec->Disable = _mesa_Disable;
185 exec->DrawBuffer = _mesa_DrawBuffer;
186 exec->DrawPixels = _mesa_DrawPixels;
187 exec->EdgeFlag = _mesa_EdgeFlag;
188 exec->EdgeFlagv = _mesa_EdgeFlagv;
189 exec->Enable = _mesa_Enable;
190 exec->End = _mesa_End;
191 exec->EndList = _mesa_EndList;
192 exec->EvalCoord1d = _mesa_EvalCoord1d;
193 exec->EvalCoord1dv = _mesa_EvalCoord1dv;
194 exec->EvalCoord1f = _mesa_EvalCoord1f;
195 exec->EvalCoord1fv = _mesa_EvalCoord1fv;
196 exec->EvalCoord2d = _mesa_EvalCoord2d;
197 exec->EvalCoord2dv = _mesa_EvalCoord2dv;
198 exec->EvalCoord2f = _mesa_EvalCoord2f;
199 exec->EvalCoord2fv = _mesa_EvalCoord2fv;
200 exec->EvalMesh1 = _mesa_EvalMesh1;
201 exec->EvalMesh2 = _mesa_EvalMesh2;
202 exec->EvalPoint1 = _mesa_EvalPoint1;
203 exec->EvalPoint2 = _mesa_EvalPoint2;
204 exec->FeedbackBuffer = _mesa_FeedbackBuffer;
205 exec->Finish = _mesa_Finish;
206 exec->Flush = _mesa_Flush;
207 exec->Fogf = _mesa_Fogf;
208 exec->Fogfv = _mesa_Fogfv;
209 exec->Fogi = _mesa_Fogi;
210 exec->Fogiv = _mesa_Fogiv;
211 exec->FrontFace = _mesa_FrontFace;
212 exec->Frustum = _mesa_Frustum;
213 exec->GenLists = _mesa_GenLists;
214 exec->GetBooleanv = _mesa_GetBooleanv;
215 exec->GetClipPlane = _mesa_GetClipPlane;
216 exec->GetDoublev = _mesa_GetDoublev;
217 exec->GetError = _mesa_GetError;
218 exec->GetFloatv = _mesa_GetFloatv;
219 exec->GetIntegerv = _mesa_GetIntegerv;
220 exec->GetLightfv = _mesa_GetLightfv;
221 exec->GetLightiv = _mesa_GetLightiv;
222 exec->GetMapdv = _mesa_GetMapdv;
223 exec->GetMapfv = _mesa_GetMapfv;
224 exec->GetMapiv = _mesa_GetMapiv;
225 exec->GetMaterialfv = _mesa_GetMaterialfv;
226 exec->GetMaterialiv = _mesa_GetMaterialiv;
227 exec->GetPixelMapfv = _mesa_GetPixelMapfv;
228 exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
229 exec->GetPixelMapusv = _mesa_GetPixelMapusv;
230 exec->GetPolygonStipple = _mesa_GetPolygonStipple;
231 exec->GetString = _mesa_GetString;
232 exec->GetTexEnvfv = _mesa_GetTexEnvfv;
233 exec->GetTexEnviv = _mesa_GetTexEnviv;
234 exec->GetTexGendv = _mesa_GetTexGendv;
235 exec->GetTexGenfv = _mesa_GetTexGenfv;
236 exec->GetTexGeniv = _mesa_GetTexGeniv;
237 exec->GetTexImage = _mesa_GetTexImage;
238 exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
239 exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
240 exec->GetTexParameterfv = _mesa_GetTexParameterfv;
241 exec->GetTexParameteriv = _mesa_GetTexParameteriv;
242 exec->Hint = _mesa_Hint;
243 exec->IndexMask = _mesa_IndexMask;
244 exec->Indexd = _mesa_Indexd;
245 exec->Indexdv = _mesa_Indexdv;
246 exec->Indexf = _mesa_Indexf;
247 exec->Indexfv = _mesa_Indexfv;
248 exec->Indexi = _mesa_Indexi;
249 exec->Indexiv = _mesa_Indexiv;
250 exec->Indexs = _mesa_Indexs;
251 exec->Indexsv = _mesa_Indexsv;
252 exec->InitNames = _mesa_InitNames;
253 exec->IsEnabled = _mesa_IsEnabled;
254 exec->IsList = _mesa_IsList;
255 exec->LightModelf = _mesa_LightModelf;
256 exec->LightModelfv = _mesa_LightModelfv;
257 exec->LightModeli = _mesa_LightModeli;
258 exec->LightModeliv = _mesa_LightModeliv;
259 exec->Lightf = _mesa_Lightf;
260 exec->Lightfv = _mesa_Lightfv;
261 exec->Lighti = _mesa_Lighti;
262 exec->Lightiv = _mesa_Lightiv;
263 exec->LineStipple = _mesa_LineStipple;
264 exec->LineWidth = _mesa_LineWidth;
265 exec->ListBase = _mesa_ListBase;
266 exec->LoadIdentity = _mesa_LoadIdentity;
267 exec->LoadMatrixd = _mesa_LoadMatrixd;
268 exec->LoadMatrixf = _mesa_LoadMatrixf;
269 exec->LoadName = _mesa_LoadName;
270 exec->LogicOp = _mesa_LogicOp;
271 exec->Map1d = _mesa_Map1d;
272 exec->Map1f = _mesa_Map1f;
273 exec->Map2d = _mesa_Map2d;
274 exec->Map2f = _mesa_Map2f;
275 exec->MapGrid1d = _mesa_MapGrid1d;
276 exec->MapGrid1f = _mesa_MapGrid1f;
277 exec->MapGrid2d = _mesa_MapGrid2d;
278 exec->MapGrid2f = _mesa_MapGrid2f;
279 exec->Materialf = _mesa_Materialf;
280 exec->Materialfv = _mesa_Materialfv;
281 exec->Materiali = _mesa_Materiali;
282 exec->Materialiv = _mesa_Materialiv;
283 exec->MatrixMode = _mesa_MatrixMode;
284 exec->MultMatrixd = _mesa_MultMatrixd;
285 exec->MultMatrixf = _mesa_MultMatrixf;
286 exec->NewList = _mesa_NewList;
287 exec->Normal3b = _mesa_Normal3b;
288 exec->Normal3bv = _mesa_Normal3bv;
289 exec->Normal3d = _mesa_Normal3d;
290 exec->Normal3dv = _mesa_Normal3dv;
291 exec->Normal3f = _mesa_Normal3f;
292 exec->Normal3fv = _mesa_Normal3fv;
293 exec->Normal3i = _mesa_Normal3i;
294 exec->Normal3iv = _mesa_Normal3iv;
295 exec->Normal3s = _mesa_Normal3s;
296 exec->Normal3sv = _mesa_Normal3sv;
297 exec->Ortho = _mesa_Ortho;
298 exec->PassThrough = _mesa_PassThrough;
299 exec->PixelMapfv = _mesa_PixelMapfv;
300 exec->PixelMapuiv = _mesa_PixelMapuiv;
301 exec->PixelMapusv = _mesa_PixelMapusv;
302 exec->PixelStoref = _mesa_PixelStoref;
303 exec->PixelStorei = _mesa_PixelStorei;
304 exec->PixelTransferf = _mesa_PixelTransferf;
305 exec->PixelTransferi = _mesa_PixelTransferi;
306 exec->PixelZoom = _mesa_PixelZoom;
307 exec->PointSize = _mesa_PointSize;
308 exec->PolygonMode = _mesa_PolygonMode;
309 exec->PolygonOffset = _mesa_PolygonOffset;
310 exec->PolygonStipple = _mesa_PolygonStipple;
311 exec->PopAttrib = _mesa_PopAttrib;
312 exec->PopMatrix = _mesa_PopMatrix;
313 exec->PopName = _mesa_PopName;
314 exec->PushAttrib = _mesa_PushAttrib;
315 exec->PushMatrix = _mesa_PushMatrix;
316 exec->PushName = _mesa_PushName;
317 exec->RasterPos2d = _mesa_RasterPos2d;
318 exec->RasterPos2dv = _mesa_RasterPos2dv;
319 exec->RasterPos2f = _mesa_RasterPos2f;
320 exec->RasterPos2fv = _mesa_RasterPos2fv;
321 exec->RasterPos2i = _mesa_RasterPos2i;
322 exec->RasterPos2iv = _mesa_RasterPos2iv;
323 exec->RasterPos2s = _mesa_RasterPos2s;
324 exec->RasterPos2sv = _mesa_RasterPos2sv;
325 exec->RasterPos3d = _mesa_RasterPos3d;
326 exec->RasterPos3dv = _mesa_RasterPos3dv;
327 exec->RasterPos3f = _mesa_RasterPos3f;
328 exec->RasterPos3fv = _mesa_RasterPos3fv;
329 exec->RasterPos3i = _mesa_RasterPos3i;
330 exec->RasterPos3iv = _mesa_RasterPos3iv;
331 exec->RasterPos3s = _mesa_RasterPos3s;
332 exec->RasterPos3sv = _mesa_RasterPos3sv;
333 exec->RasterPos4d = _mesa_RasterPos4d;
334 exec->RasterPos4dv = _mesa_RasterPos4dv;
335 exec->RasterPos4f = _mesa_RasterPos4f;
336 exec->RasterPos4fv = _mesa_RasterPos4fv;
337 exec->RasterPos4i = _mesa_RasterPos4i;
338 exec->RasterPos4iv = _mesa_RasterPos4iv;
339 exec->RasterPos4s = _mesa_RasterPos4s;
340 exec->RasterPos4sv = _mesa_RasterPos4sv;
341 exec->ReadBuffer = _mesa_ReadBuffer;
342 exec->ReadPixels = _mesa_ReadPixels;
343 exec->Rectd = _mesa_Rectd;
344 exec->Rectdv = _mesa_Rectdv;
345 exec->Rectf = _mesa_Rectf;
346 exec->Rectfv = _mesa_Rectfv;
347 exec->Recti = _mesa_Recti;
348 exec->Rectiv = _mesa_Rectiv;
349 exec->Rects = _mesa_Rects;
350 exec->Rectsv = _mesa_Rectsv;
351 exec->RenderMode = _mesa_RenderMode;
352 exec->Rotated = _mesa_Rotated;
353 exec->Rotatef = _mesa_Rotatef;
354 exec->Scaled = _mesa_Scaled;
355 exec->Scalef = _mesa_Scalef;
356 exec->Scissor = _mesa_Scissor;
357 exec->SelectBuffer = _mesa_SelectBuffer;
358 exec->ShadeModel = _mesa_ShadeModel;
359 exec->StencilFunc = _mesa_StencilFunc;
360 exec->StencilMask = _mesa_StencilMask;
361 exec->StencilOp = _mesa_StencilOp;
362 exec->TexCoord1d = _mesa_TexCoord1d;
363 exec->TexCoord1dv = _mesa_TexCoord1dv;
364 exec->TexCoord1f = _mesa_TexCoord1f;
365 exec->TexCoord1fv = _mesa_TexCoord1fv;
366 exec->TexCoord1i = _mesa_TexCoord1i;
367 exec->TexCoord1iv = _mesa_TexCoord1iv;
368 exec->TexCoord1s = _mesa_TexCoord1s;
369 exec->TexCoord1sv = _mesa_TexCoord1sv;
370 exec->TexCoord2d = _mesa_TexCoord2d;
371 exec->TexCoord2dv = _mesa_TexCoord2dv;
372 exec->TexCoord2f = _mesa_TexCoord2f;
373 exec->TexCoord2fv = _mesa_TexCoord2fv;
374 exec->TexCoord2i = _mesa_TexCoord2i;
375 exec->TexCoord2iv = _mesa_TexCoord2iv;
376 exec->TexCoord2s = _mesa_TexCoord2s;
377 exec->TexCoord2sv = _mesa_TexCoord2sv;
378 exec->TexCoord3d = _mesa_TexCoord3d;
379 exec->TexCoord3dv = _mesa_TexCoord3dv;
380 exec->TexCoord3f = _mesa_TexCoord3f;
381 exec->TexCoord3fv = _mesa_TexCoord3fv;
382 exec->TexCoord3i = _mesa_TexCoord3i;
383 exec->TexCoord3iv = _mesa_TexCoord3iv;
384 exec->TexCoord3s = _mesa_TexCoord3s;
385 exec->TexCoord3sv = _mesa_TexCoord3sv;
386 exec->TexCoord4d = _mesa_TexCoord4d;
387 exec->TexCoord4dv = _mesa_TexCoord4dv;
388 exec->TexCoord4f = _mesa_TexCoord4f;
389 exec->TexCoord4fv = _mesa_TexCoord4fv;
390 exec->TexCoord4i = _mesa_TexCoord4i;
391 exec->TexCoord4iv = _mesa_TexCoord4iv;
392 exec->TexCoord4s = _mesa_TexCoord4s;
393 exec->TexCoord4sv = _mesa_TexCoord4sv;
394 exec->TexEnvf = _mesa_TexEnvf;
395 exec->TexEnvfv = _mesa_TexEnvfv;
396 exec->TexEnvi = _mesa_TexEnvi;
397 exec->TexEnviv = _mesa_TexEnviv;
398 exec->TexGend = _mesa_TexGend;
399 exec->TexGendv = _mesa_TexGendv;
400 exec->TexGenf = _mesa_TexGenf;
401 exec->TexGenfv = _mesa_TexGenfv;
402 exec->TexGeni = _mesa_TexGeni;
403 exec->TexGeniv = _mesa_TexGeniv;
404 exec->TexImage1D = _mesa_TexImage1D;
405 exec->TexImage2D = _mesa_TexImage2D;
406 exec->TexParameterf = _mesa_TexParameterf;
407 exec->TexParameterfv = _mesa_TexParameterfv;
408 exec->TexParameteri = _mesa_TexParameteri;
409 exec->TexParameteriv = _mesa_TexParameteriv;
410 exec->Translated = _mesa_Translated;
411 exec->Translatef = _mesa_Translatef;
412 exec->Vertex2d = _mesa_Vertex2d;
413 exec->Vertex2dv = _mesa_Vertex2dv;
414 exec->Vertex2f = _mesa_Vertex2f;
415 exec->Vertex2fv = _mesa_Vertex2fv;
416 exec->Vertex2i = _mesa_Vertex2i;
417 exec->Vertex2iv = _mesa_Vertex2iv;
418 exec->Vertex2s = _mesa_Vertex2s;
419 exec->Vertex2sv = _mesa_Vertex2sv;
420 exec->Vertex3d = _mesa_Vertex3d;
421 exec->Vertex3dv = _mesa_Vertex3dv;
422 exec->Vertex3f = _mesa_Vertex3f;
423 exec->Vertex3fv = _mesa_Vertex3fv;
424 exec->Vertex3i = _mesa_Vertex3i;
425 exec->Vertex3iv = _mesa_Vertex3iv;
426 exec->Vertex3s = _mesa_Vertex3s;
427 exec->Vertex3sv = _mesa_Vertex3sv;
428 exec->Vertex4d = _mesa_Vertex4d;
429 exec->Vertex4dv = _mesa_Vertex4dv;
430 exec->Vertex4f = _mesa_Vertex4f;
431 exec->Vertex4fv = _mesa_Vertex4fv;
432 exec->Vertex4i = _mesa_Vertex4i;
433 exec->Vertex4iv = _mesa_Vertex4iv;
434 exec->Vertex4s = _mesa_Vertex4s;
435 exec->Vertex4sv = _mesa_Vertex4sv;
436 exec->Viewport = _mesa_Viewport;
437
438 /* 1.1 */
439 exec->AreTexturesResident = _mesa_AreTexturesResident;
440 exec->ArrayElement = _mesa_ArrayElement;
441 exec->BindTexture = _mesa_BindTexture;
442 exec->ColorPointer = _mesa_ColorPointer;
443 exec->CopyTexImage1D = _mesa_CopyTexImage1D;
444 exec->CopyTexImage2D = _mesa_CopyTexImage2D;
445 exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
446 exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
447 exec->DeleteTextures = _mesa_DeleteTextures;
448 exec->DisableClientState = _mesa_DisableClientState;
449 exec->DrawArrays = _mesa_DrawArrays;
450 exec->DrawElements = _mesa_DrawElements;
451 exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
452 exec->EnableClientState = _mesa_EnableClientState;
453 exec->GenTextures = _mesa_GenTextures;
454 exec->GetPointerv = _mesa_GetPointerv;
455 exec->IndexPointer = _mesa_IndexPointer;
456 exec->Indexub = _mesa_Indexub;
457 exec->Indexubv = _mesa_Indexubv;
458 exec->InterleavedArrays = _mesa_InterleavedArrays;
459 exec->IsTexture = _mesa_IsTexture;
460 exec->NormalPointer = _mesa_NormalPointer;
461 exec->PopClientAttrib = _mesa_PopClientAttrib;
462 exec->PrioritizeTextures = _mesa_PrioritizeTextures;
463 exec->PushClientAttrib = _mesa_PushClientAttrib;
464 exec->TexCoordPointer = _mesa_TexCoordPointer;
465 exec->TexSubImage1D = _mesa_TexSubImage1D;
466 exec->TexSubImage2D = _mesa_TexSubImage2D;
467 exec->VertexPointer = _mesa_VertexPointer;
468
469 /* 1.2 */
470 exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
471 exec->DrawRangeElements = _mesa_DrawRangeElements;
472 exec->TexImage3D = _mesa_TexImage3D;
473 exec->TexSubImage3D = _mesa_TexSubImage3D;
474
475
476 /* OpenGL 1.2 GL_ARB_imaging */
477 exec->BlendColor = _mesa_BlendColor;
478 exec->BlendEquation = _mesa_BlendEquation;
479 exec->ColorSubTable = _mesa_ColorSubTable;
480 exec->ColorTable = _mesa_ColorTable;
481 exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
482 exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
483 exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
484 exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
485 exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
486 exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
487 exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
488 exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
489 exec->CopyColorSubTable = _mesa_CopyColorSubTable;
490 exec->CopyColorTable = _mesa_CopyColorTable;
491 exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
492 exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
493 exec->GetColorTable = _mesa_GetColorTable;
494 exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
495 exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
496 exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
497 exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
498 exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
499 exec->GetHistogram = _mesa_GetHistogram;
500 exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
501 exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
502 exec->GetMinmax = _mesa_GetMinmax;
503 exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
504 exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
505 exec->GetSeparableFilter = _mesa_GetSeparableFilter;
506 exec->Histogram = _mesa_Histogram;
507 exec->Minmax = _mesa_Minmax;
508 exec->ResetHistogram = _mesa_ResetHistogram;
509 exec->ResetMinmax = _mesa_ResetMinmax;
510 exec->SeparableFilter2D = _mesa_SeparableFilter2D;
511
512 /* GL_EXT_texture3d */
513#if 0
514 exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D;
515 exec->TexImage3DEXT = _mesa_TexImage3DEXT;
516 exec->TexSubImage3DEXT = _mesa_TexSubImage3D;
517#endif
518
519 /* GL_EXT_paletted_texture */
520#if 0
521 exec->ColorTableEXT = _mesa_ColorTableEXT;
522 exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
523#endif
524 exec->GetColorTableEXT = _mesa_GetColorTable;
525 exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
526 exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
527
528 /* GL_EXT_compiled_vertex_array */
529 exec->LockArraysEXT = _mesa_LockArraysEXT;
530 exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
531
532 /* GL_EXT_point_parameters */
533 exec->PointParameterfEXT = _mesa_PointParameterfEXT;
534 exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
535
536 /* GL_PGI_misc_hints */
537 exec->HintPGI = _mesa_HintPGI;
538
539 /* GL_EXT_polygon_offset */
540 exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
541
542 /* GL_EXT_blend_minmax */
543#if 0
544 exec->BlendEquationEXT = _mesa_BlendEquationEXT;
545#endif
546
547 /* GL_EXT_blend_color */
548#if 0
549 exec->BlendColorEXT = _mesa_BlendColorEXT;
550#endif
551
552 /* GL_ARB_multitexture */
553 exec->ActiveTextureARB = _mesa_ActiveTextureARB;
554 exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
555 exec->MultiTexCoord1dARB = _mesa_MultiTexCoord1dARB;
556 exec->MultiTexCoord1dvARB = _mesa_MultiTexCoord1dvARB;
557 exec->MultiTexCoord1fARB = _mesa_MultiTexCoord1fARB;
558 exec->MultiTexCoord1fvARB = _mesa_MultiTexCoord1fvARB;
559 exec->MultiTexCoord1iARB = _mesa_MultiTexCoord1iARB;
560 exec->MultiTexCoord1ivARB = _mesa_MultiTexCoord1ivARB;
561 exec->MultiTexCoord1sARB = _mesa_MultiTexCoord1sARB;
562 exec->MultiTexCoord1svARB = _mesa_MultiTexCoord1svARB;
563 exec->MultiTexCoord2dARB = _mesa_MultiTexCoord2dARB;
564 exec->MultiTexCoord2dvARB = _mesa_MultiTexCoord2dvARB;
565 exec->MultiTexCoord2fARB = _mesa_MultiTexCoord2fARB;
566 exec->MultiTexCoord2fvARB = _mesa_MultiTexCoord2fvARB;
567 exec->MultiTexCoord2iARB = _mesa_MultiTexCoord2iARB;
568 exec->MultiTexCoord2ivARB = _mesa_MultiTexCoord2ivARB;
569 exec->MultiTexCoord2sARB = _mesa_MultiTexCoord2sARB;
570 exec->MultiTexCoord2svARB = _mesa_MultiTexCoord2svARB;
571 exec->MultiTexCoord3dARB = _mesa_MultiTexCoord3dARB;
572 exec->MultiTexCoord3dvARB = _mesa_MultiTexCoord3dvARB;
573 exec->MultiTexCoord3fARB = _mesa_MultiTexCoord3fARB;
574 exec->MultiTexCoord3fvARB = _mesa_MultiTexCoord3fvARB;
575 exec->MultiTexCoord3iARB = _mesa_MultiTexCoord3iARB;
576 exec->MultiTexCoord3ivARB = _mesa_MultiTexCoord3ivARB;
577 exec->MultiTexCoord3sARB = _mesa_MultiTexCoord3sARB;
578 exec->MultiTexCoord3svARB = _mesa_MultiTexCoord3svARB;
579 exec->MultiTexCoord4dARB = _mesa_MultiTexCoord4dARB;
580 exec->MultiTexCoord4dvARB = _mesa_MultiTexCoord4dvARB;
581 exec->MultiTexCoord4fARB = _mesa_MultiTexCoord4fARB;
582 exec->MultiTexCoord4fvARB = _mesa_MultiTexCoord4fvARB;
583 exec->MultiTexCoord4iARB = _mesa_MultiTexCoord4iARB;
584 exec->MultiTexCoord4ivARB = _mesa_MultiTexCoord4ivARB;
585 exec->MultiTexCoord4sARB = _mesa_MultiTexCoord4sARB;
586 exec->MultiTexCoord4svARB = _mesa_MultiTexCoord4svARB;
587
588 /* GL_INGR_blend_func_separate */
589 exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
590
591 /* GL_MESA_window_pos */
592 exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
593 exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
594 exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
595 exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
596 exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
597 exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
598 exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
599 exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
600 exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
601 exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
602 exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
603 exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
604 exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
605 exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
606 exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
607 exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
608 exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
609 exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
610 exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
611 exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
612 exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
613 exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
614 exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
615 exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
616
617 /* GL_MESA_resize_buffers */
618 exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
619
620 /* GL_ARB_transpose_matrix */
621 exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
622 exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
623 exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
624 exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
625}
626
627
628/**********************************************************************/
629/***** State update logic *****/
630/**********************************************************************/
631
632
633/*
634 * Since the device driver may or may not support pixel logic ops we
635 * have to make some extensive tests to determine whether or not
636 * software-implemented logic operations have to be used.
637 */
638static void update_pixel_logic( GLcontext *ctx )
639{
640 if (ctx->Visual->RGBAflag) {
641 /* RGBA mode blending w/ Logic Op */
642 if (ctx->Color.ColorLogicOpEnabled) {
643 if (ctx->Driver.LogicOp
644 && (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
645 /* Device driver can do logic, don't have to do it in software */
646 ctx->Color.SWLogicOpEnabled = GL_FALSE;
647 }
648 else {
649 /* Device driver can't do logic op so we do it in software */
650 ctx->Color.SWLogicOpEnabled = GL_TRUE;
651 }
652 }
653 else {
654 /* no logic op */
655 if (ctx->Driver.LogicOp) {
656 (void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
657 }
658 ctx->Color.SWLogicOpEnabled = GL_FALSE;
659 }
660 }
661 else {
662 /* CI mode Logic Op */
663 if (ctx->Color.IndexLogicOpEnabled) {
664 if (ctx->Driver.LogicOp
665 && (*ctx->Driver.LogicOp)( ctx, ctx->Color.LogicOp )) {
666 /* Device driver can do logic, don't have to do it in software */
667 ctx->Color.SWLogicOpEnabled = GL_FALSE;
668 }
669 else {
670 /* Device driver can't do logic op so we do it in software */
671 ctx->Color.SWLogicOpEnabled = GL_TRUE;
672 }
673 }
674 else {
675 /* no logic op */
676 if (ctx->Driver.LogicOp) {
677 (void) (*ctx->Driver.LogicOp)( ctx, GL_COPY );
678 }
679 ctx->Color.SWLogicOpEnabled = GL_FALSE;
680 }
681 }
682}
683
684
685
686/*
687 * Check if software implemented RGBA or Color Index masking is needed.
688 */
689static void update_pixel_masking( GLcontext *ctx )
690{
691 if (ctx->Visual->RGBAflag) {
692 GLuint *colorMask = (GLuint *) ctx->Color.ColorMask;
693 if (*colorMask == 0xffffffff) {
694 /* disable masking */
695 if (ctx->Driver.ColorMask) {
696 (void) (*ctx->Driver.ColorMask)( ctx, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
697 }
698 ctx->Color.SWmasking = GL_FALSE;
699 }
700 else {
701 /* Ask driver to do color masking, if it can't then
702 * do it in software
703 */
704 GLboolean red = ctx->Color.ColorMask[RCOMP] ? GL_TRUE : GL_FALSE;
705 GLboolean green = ctx->Color.ColorMask[GCOMP] ? GL_TRUE : GL_FALSE;
706 GLboolean blue = ctx->Color.ColorMask[BCOMP] ? GL_TRUE : GL_FALSE;
707 GLboolean alpha = ctx->Color.ColorMask[ACOMP] ? GL_TRUE : GL_FALSE;
708 if (ctx->Driver.ColorMask
709 && (*ctx->Driver.ColorMask)( ctx, red, green, blue, alpha )) {
710 ctx->Color.SWmasking = GL_FALSE;
711 }
712 else {
713 ctx->Color.SWmasking = GL_TRUE;
714 }
715 }
716 }
717 else {
718 if (ctx->Color.IndexMask==0xffffffff) {
719 /* disable masking */
720 if (ctx->Driver.IndexMask) {
721 (void) (*ctx->Driver.IndexMask)( ctx, 0xffffffff );
722 }
723 ctx->Color.SWmasking = GL_FALSE;
724 }
725 else {
726 /* Ask driver to do index masking, if it can't then
727 * do it in software
728 */
729 if (ctx->Driver.IndexMask
730 && (*ctx->Driver.IndexMask)( ctx, ctx->Color.IndexMask )) {
731 ctx->Color.SWmasking = GL_FALSE;
732 }
733 else {
734 ctx->Color.SWmasking = GL_TRUE;
735 }
736 }
737 }
738}
739
740
741static void update_fog_mode( GLcontext *ctx )
742{
743 int old_mode = ctx->FogMode;
744
745 if (ctx->Fog.Enabled) {
746 if (ctx->Texture.Enabled)
747 ctx->FogMode = FOG_FRAGMENT;
748 else if (ctx->Hint.Fog == GL_NICEST)
749 ctx->FogMode = FOG_FRAGMENT;
750 else
751 ctx->FogMode = FOG_VERTEX;
752
753 if (ctx->Driver.GetParameteri)
754 if ((ctx->Driver.GetParameteri)( ctx, DD_HAVE_HARDWARE_FOG ))
755 ctx->FogMode = FOG_FRAGMENT;
756 }
757 else {
758 ctx->FogMode = FOG_NONE;
759 }
760
761 if (old_mode != ctx->FogMode)
762 ctx->NewState |= NEW_FOG;
763}
764
765
766/*
767 * Recompute the value of ctx->RasterMask, etc. according to
768 * the current context.
769 */
770static void update_rasterflags( GLcontext *ctx )
771{
772 ctx->RasterMask = 0;
773
774 if (ctx->Color.AlphaEnabled) ctx->RasterMask |= ALPHATEST_BIT;
775 if (ctx->Color.BlendEnabled) ctx->RasterMask |= BLEND_BIT;
776 if (ctx->Depth.Test) ctx->RasterMask |= DEPTH_BIT;
777 if (ctx->FogMode==FOG_FRAGMENT) ctx->RasterMask |= FOG_BIT;
778 if (ctx->Color.SWLogicOpEnabled) ctx->RasterMask |= LOGIC_OP_BIT;
779 if (ctx->Scissor.Enabled) ctx->RasterMask |= SCISSOR_BIT;
780 if (ctx->Stencil.Enabled) ctx->RasterMask |= STENCIL_BIT;
781 if (ctx->Color.SWmasking) ctx->RasterMask |= MASKING_BIT;
782
783 if (ctx->Visual->SoftwareAlpha && ctx->Color.ColorMask[ACOMP]
784 && ctx->Color.DrawBuffer != GL_NONE)
785 ctx->RasterMask |= ALPHABUF_BIT;
786
787 if ( ctx->Viewport.X<0
788 || ctx->Viewport.X + ctx->Viewport.Width > ctx->DrawBuffer->Width
789 || ctx->Viewport.Y<0
790 || ctx->Viewport.Y + ctx->Viewport.Height > ctx->DrawBuffer->Height) {
791 ctx->RasterMask |= WINCLIP_BIT;
792 }
793
794 if (ctx->Depth.OcclusionTest) {
795 if (ctx->Color.ColorMask[0] == 0 &&
796 ctx->Color.ColorMask[1] == 0 &&
797 ctx->Color.ColorMask[2] == 0 &&
798 ctx->Color.ColorMask[3] == 0 &&
799 ctx->Depth.Mask == GL_FALSE &&
800 !ctx->Stencil.Enabled) {
801 ctx->RasterMask |= OCCLUSION_BIT;
802 }
803 }
804
805 /* If we're not drawing to exactly one color buffer set the
806 * MULTI_DRAW_BIT flag. Also set it if we're drawing to no
807 * buffers or the RGBA or CI mask disables all writes.
808 */
809 ctx->TriangleCaps &= ~DD_MULTIDRAW;
810
811 if (ctx->Color.MultiDrawBuffer) {
812 ctx->RasterMask |= MULTI_DRAW_BIT;
813 ctx->TriangleCaps |= DD_MULTIDRAW;
814 }
815 else if (ctx->Color.DrawBuffer==GL_NONE) {
816 ctx->RasterMask |= MULTI_DRAW_BIT;
817 ctx->TriangleCaps |= DD_MULTIDRAW;
818 }
819 else if (ctx->Visual->RGBAflag && ctx->Color.ColorMask==0) {
820 /* all RGBA channels disabled */
821 ctx->RasterMask |= MULTI_DRAW_BIT;
822 ctx->TriangleCaps |= DD_MULTIDRAW;
823 ctx->Color.DrawDestMask = 0;
824 }
825 else if (!ctx->Visual->RGBAflag && ctx->Color.IndexMask==0) {
826 /* all color index bits disabled */
827 ctx->RasterMask |= MULTI_DRAW_BIT;
828 ctx->TriangleCaps |= DD_MULTIDRAW;
829 ctx->Color.DrawDestMask = 0;
830 }
831}
832
833
834void gl_print_state( const char *msg, GLuint state )
835{
836 fprintf(stderr,
837 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
838 msg,
839 state,
840 (state & NEW_LIGHTING) ? "lighting, " : "",
841 (state & NEW_RASTER_OPS) ? "raster-ops, " : "",
842 (state & NEW_TEXTURING) ? "texturing, " : "",
843 (state & NEW_POLYGON) ? "polygon, " : "",
844 (state & NEW_DRVSTATE0) ? "driver-0, " : "",
845 (state & NEW_DRVSTATE1) ? "driver-1, " : "",
846 (state & NEW_DRVSTATE2) ? "driver-2, " : "",
847 (state & NEW_DRVSTATE3) ? "driver-3, " : "",
848 (state & NEW_MODELVIEW) ? "modelview, " : "",
849 (state & NEW_PROJECTION) ? "projection, " : "",
850 (state & NEW_TEXTURE_MATRIX) ? "texture-matrix, " : "",
851 (state & NEW_USER_CLIP) ? "user-clip, " : "",
852 (state & NEW_TEXTURE_ENV) ? "texture-env, " : "",
853 (state & NEW_CLIENT_STATE) ? "client-state, " : "",
854 (state & NEW_FOG) ? "fog, " : "",
855 (state & NEW_NORMAL_TRANSFORM) ? "normal-transform, " : "",
856 (state & NEW_VIEWPORT) ? "viewport, " : "",
857 (state & NEW_TEXTURE_ENABLE) ? "texture-enable, " : "");
858}
859
860
861void gl_print_enable_flags( const char *msg, GLuint flags )
862{
863 fprintf(stderr,
864 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s\n",
865 msg,
866 flags,
867 (flags & ENABLE_TEX0) ? "tex-0, " : "",
868 (flags & ENABLE_TEX1) ? "tex-1, " : "",
869 (flags & ENABLE_LIGHT) ? "light, " : "",
870 (flags & ENABLE_FOG) ? "fog, " : "",
871 (flags & ENABLE_USERCLIP) ? "userclip, " : "",
872 (flags & ENABLE_TEXGEN0) ? "tex-gen-0, " : "",
873 (flags & ENABLE_TEXGEN1) ? "tex-gen-1, " : "",
874 (flags & ENABLE_TEXMAT0) ? "tex-mat-0, " : "",
875 (flags & ENABLE_TEXMAT1) ? "tex-mat-1, " : "",
876 (flags & ENABLE_NORMALIZE) ? "normalize, " : "",
877 (flags & ENABLE_RESCALE) ? "rescale, " : "");
878}
879
880
881/*
882 * If ctx->NewState is non-zero then this function MUST be called before
883 * rendering any primitive. Basically, function pointers and miscellaneous
884 * flags are updated to reflect the current state of the state machine.
885 */
886void gl_update_state( GLcontext *ctx )
887{
888 GLuint i;
889
890 if (MESA_VERBOSE & VERBOSE_STATE)
891 gl_print_state("", ctx->NewState);
892
893 if (ctx->NewState & NEW_CLIENT_STATE)
894 gl_update_client_state( ctx );
895
896 if ((ctx->NewState & NEW_TEXTURE_ENABLE) &&
897 (ctx->Enabled & ENABLE_TEX_ANY) != ctx->Texture.Enabled)
898 ctx->NewState |= NEW_TEXTURING | NEW_RASTER_OPS;
899
900 if (ctx->NewState & NEW_TEXTURE_ENV) {
901 if (ctx->Texture.Unit[0].EnvMode == ctx->Texture.Unit[0].LastEnvMode &&
902 ctx->Texture.Unit[1].EnvMode == ctx->Texture.Unit[1].LastEnvMode)
903 ctx->NewState &= ~NEW_TEXTURE_ENV;
904 ctx->Texture.Unit[0].LastEnvMode = ctx->Texture.Unit[0].EnvMode;
905 ctx->Texture.Unit[1].LastEnvMode = ctx->Texture.Unit[1].EnvMode;
906 }
907
908 if (ctx->NewState & NEW_TEXTURE_MATRIX) {
909 ctx->Enabled &= ~(ENABLE_TEXMAT0|ENABLE_TEXMAT1);
910
911 for (i=0; i < MAX_TEXTURE_UNITS; i++) {
912 if (ctx->TextureMatrix[i].flags & MAT_DIRTY_ALL_OVER)
913 {
914 gl_matrix_analyze( &ctx->TextureMatrix[i] );
915 ctx->TextureMatrix[i].flags &= ~MAT_DIRTY_DEPENDENTS;
916
917 if (ctx->Texture.Unit[i].Enabled &&
918 ctx->TextureMatrix[i].type != MATRIX_IDENTITY)
919 ctx->Enabled |= ENABLE_TEXMAT0 << i;
920 }
921 }
922 }
923
924 if (ctx->NewState & (NEW_TEXTURING | NEW_TEXTURE_ENABLE)) {
925 ctx->Texture.NeedNormals = GL_FALSE;
926 gl_update_dirty_texobjs(ctx);
927 ctx->Enabled &= ~(ENABLE_TEXGEN0|ENABLE_TEXGEN1);
928 ctx->Texture.ReallyEnabled = 0;
929
930 for (i=0; i < MAX_TEXTURE_UNITS; i++) {
931 if (ctx->Texture.Unit[i].Enabled) {
932 gl_update_texture_unit( ctx, &ctx->Texture.Unit[i] );
933
934 ctx->Texture.ReallyEnabled |=
935 ctx->Texture.Unit[i].ReallyEnabled<<(i*4);
936
937 if (ctx->Texture.Unit[i].GenFlags != 0) {
938 ctx->Enabled |= ENABLE_TEXGEN0 << i;
939
940 if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_NORMALS)
941 {
942 ctx->Texture.NeedNormals = GL_TRUE;
943 ctx->Texture.NeedEyeCoords = GL_TRUE;
944 }
945
946 if (ctx->Texture.Unit[i].GenFlags & TEXGEN_NEED_EYE_COORD)
947 {
948 ctx->Texture.NeedEyeCoords = GL_TRUE;
949 }
950 }
951 }
952 }
953
954 ctx->Texture.Enabled = ctx->Enabled & ENABLE_TEX_ANY;
955 ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
956 }
957
958 if (ctx->NewState & (NEW_RASTER_OPS | NEW_LIGHTING | NEW_FOG)) {
959
960
961 if (ctx->NewState & NEW_RASTER_OPS) {
962 update_pixel_logic(ctx);
963 update_pixel_masking(ctx);
964 update_fog_mode(ctx);
965 update_rasterflags(ctx);
966 if (ctx->Driver.Dither) {
967 (*ctx->Driver.Dither)( ctx, ctx->Color.DitherFlag );
968 }
969
970 /* Check if incoming colors can be modified during rasterization */
971 if (ctx->Fog.Enabled ||
972 ctx->Texture.Enabled ||
973 ctx->Color.BlendEnabled ||
974 ctx->Color.SWmasking ||
975 ctx->Color.SWLogicOpEnabled) {
976 ctx->MutablePixels = GL_TRUE;
977 }
978 else {
979 ctx->MutablePixels = GL_FALSE;
980 }
981
982 /* update scissor region */
983
984 ctx->DrawBuffer->Xmin = 0;
985 ctx->DrawBuffer->Ymin = 0;
986 ctx->DrawBuffer->Xmax = ctx->DrawBuffer->Width-1;
987 ctx->DrawBuffer->Ymax = ctx->DrawBuffer->Height-1;
988 if (ctx->Scissor.Enabled) {
989 if (ctx->Scissor.X > ctx->DrawBuffer->Xmin) {
990 ctx->DrawBuffer->Xmin = ctx->Scissor.X;
991 }
992 if (ctx->Scissor.Y > ctx->DrawBuffer->Ymin) {
993 ctx->DrawBuffer->Ymin = ctx->Scissor.Y;
994 }
995 if (ctx->Scissor.X + ctx->Scissor.Width - 1 < ctx->DrawBuffer->Xmax) {
996 ctx->DrawBuffer->Xmax = ctx->Scissor.X + ctx->Scissor.Width - 1;
997 }
998 if (ctx->Scissor.Y + ctx->Scissor.Height - 1 < ctx->DrawBuffer->Ymax) {
999 ctx->DrawBuffer->Ymax = ctx->Scissor.Y + ctx->Scissor.Height - 1;
1000 }
1001 }
1002 }
1003
1004 if (ctx->NewState & NEW_LIGHTING) {
1005 ctx->TriangleCaps &= ~(DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
1006 if (ctx->Light.Enabled) {
1007 if (ctx->Light.Model.TwoSide)
1008 ctx->TriangleCaps |= (DD_TRI_LIGHT_TWOSIDE|DD_LIGHTING_CULL);
1009 gl_update_lighting(ctx);
1010 }
1011 }
1012 }
1013
1014 if (ctx->NewState & (NEW_POLYGON | NEW_LIGHTING)) {
1015
1016 ctx->TriangleCaps &= ~DD_TRI_CULL_FRONT_BACK;
1017
1018 if (ctx->NewState & NEW_POLYGON) {
1019 /* Setup CullBits bitmask */
1020 if (ctx->Polygon.CullFlag) {
1021 ctx->backface_sign = 1;
1022 switch(ctx->Polygon.CullFaceMode) {
1023 case GL_BACK:
1024 if(ctx->Polygon.FrontFace==GL_CCW)
1025 ctx->backface_sign = -1;
1026 ctx->Polygon.CullBits = 1;
1027 break;
1028 case GL_FRONT:
1029 if(ctx->Polygon.FrontFace!=GL_CCW)
1030 ctx->backface_sign = -1;
1031 ctx->Polygon.CullBits = 2;
1032 break;
1033 default:
1034 case GL_FRONT_AND_BACK:
1035 ctx->backface_sign = 0;
1036 ctx->Polygon.CullBits = 0;
1037 ctx->TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
1038 break;
1039 }
1040 }
1041 else {
1042 ctx->Polygon.CullBits = 3;
1043 ctx->backface_sign = 0;
1044 }
1045
1046 /* Any Polygon offsets enabled? */
1047 ctx->TriangleCaps &= ~DD_TRI_OFFSET;
1048
1049 if (ctx->Polygon.OffsetPoint ||
1050 ctx->Polygon.OffsetLine ||
1051 ctx->Polygon.OffsetFill)
1052 ctx->TriangleCaps |= DD_TRI_OFFSET;
1053
1054 /* reset Z offsets now */
1055 ctx->PointZoffset = 0.0;
1056 ctx->LineZoffset = 0.0;
1057 ctx->PolygonZoffset = 0.0;
1058 }
1059 }
1060
1061 if (ctx->NewState & ~(NEW_CLIENT_STATE|
1062 NEW_DRIVER_STATE|NEW_USER_CLIP|
1063 NEW_POLYGON))
1064 gl_update_clipmask(ctx);
1065
1066 if (ctx->NewState & (NEW_LIGHTING|
1067 NEW_RASTER_OPS|
1068 NEW_TEXTURING|
1069 NEW_TEXTURE_ENABLE|
1070 NEW_TEXTURE_ENV|
1071 NEW_POLYGON|
1072 NEW_DRVSTATE0|
1073 NEW_DRVSTATE1|
1074 NEW_DRVSTATE2|
1075 NEW_DRVSTATE3|
1076 NEW_USER_CLIP))
1077 {
1078 ctx->IndirectTriangles = ctx->TriangleCaps & ~ctx->Driver.TriangleCaps;
1079 ctx->IndirectTriangles |= DD_SW_RASTERIZE;
1080
1081 if (MESA_VERBOSE&VERBOSE_CULL)
1082 gl_print_tri_caps("initial indirect tris", ctx->IndirectTriangles);
1083
1084 ctx->Driver.PointsFunc = NULL;
1085 ctx->Driver.LineFunc = NULL;
1086 ctx->Driver.TriangleFunc = NULL;
1087 ctx->Driver.QuadFunc = NULL;
1088 ctx->Driver.RectFunc = NULL;
1089 ctx->Driver.RenderVBClippedTab = NULL;
1090 ctx->Driver.RenderVBCulledTab = NULL;
1091 ctx->Driver.RenderVBRawTab = NULL;
1092
1093 /*
1094 * Here the driver sets up all the ctx->Driver function pointers to
1095 * it's specific, private functions.
1096 */
1097 ctx->Driver.UpdateState(ctx);
1098
1099 if (MESA_VERBOSE&VERBOSE_CULL)
1100 gl_print_tri_caps("indirect tris", ctx->IndirectTriangles);
1101
1102 /*
1103 * In case the driver didn't hook in an optimized point, line or
1104 * triangle function we'll now select "core/fallback" point, line
1105 * and triangle functions.
1106 */
1107 if (ctx->IndirectTriangles & DD_SW_RASTERIZE) {
1108 gl_set_point_function(ctx);
1109 gl_set_line_function(ctx);
1110 gl_set_triangle_function(ctx);
1111 gl_set_quad_function(ctx);
1112
1113 if ((ctx->IndirectTriangles &
1114 (DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL)) ==
1115 (DD_TRI_SW_RASTERIZE|DD_QUAD_SW_RASTERIZE|DD_TRI_CULL))
1116 ctx->IndirectTriangles &= ~DD_TRI_CULL;
1117 }
1118
1119 if (MESA_VERBOSE&VERBOSE_CULL)
1120 gl_print_tri_caps("indirect tris 2", ctx->IndirectTriangles);
1121
1122 gl_set_render_vb_function(ctx);
1123 }
1124
1125 /* Should only be calc'd when !need_eye_coords and not culling.
1126 */
1127 if (ctx->NewState & (NEW_MODELVIEW|NEW_PROJECTION)) {
1128 if (ctx->NewState & NEW_MODELVIEW) {
1129 gl_matrix_analyze( &ctx->ModelView );
1130 ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
1131 }
1132
1133 if (ctx->NewState & NEW_PROJECTION) {
1134 gl_matrix_analyze( &ctx->ProjectionMatrix );
1135 ctx->ProjectionMatrix.flags &= ~MAT_DIRTY_DEPENDENTS;
1136
1137 if (ctx->Transform.AnyClip) {
1138 gl_update_userclip( ctx );
1139 }
1140 }
1141
1142 gl_calculate_model_project_matrix( ctx );
1143 ctx->ModelProjectWinMatrixUptodate = 0;
1144 }
1145
1146 /* Figure out whether we can light in object space or not. If we
1147 * can, find the current positions of the lights in object space
1148 */
1149 if ((ctx->Enabled & (ENABLE_POINT_ATTEN | ENABLE_LIGHT | ENABLE_FOG |
1150 ENABLE_TEXGEN0 | ENABLE_TEXGEN1)) &&
1151 (ctx->NewState & (NEW_LIGHTING |
1152 NEW_FOG |
1153 NEW_MODELVIEW |
1154 NEW_PROJECTION |
1155 NEW_TEXTURING |
1156 NEW_RASTER_OPS |
1157 NEW_USER_CLIP)))
1158 {
1159 GLboolean oldcoord, oldnorm;
1160
1161 oldcoord = ctx->NeedEyeCoords;
1162 oldnorm = ctx->NeedEyeNormals;
1163
1164 ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
1165 ctx->NeedEyeCoords = ((ctx->Fog.Enabled && ctx->Hint.Fog != GL_NICEST) ||
1166 ctx->Point.Attenuated);
1167 ctx->NeedEyeNormals = GL_FALSE;
1168
1169 if (ctx->Light.Enabled) {
1170 if (ctx->Light.Flags & LIGHT_POSITIONAL) {
1171 /* Need length for attenuation */
1172 if (!TEST_MAT_FLAGS( &ctx->ModelView, MAT_FLAGS_LENGTH_PRESERVING))
1173 ctx->NeedEyeCoords = GL_TRUE;
1174 } else if (ctx->Light.NeedVertices) {
1175 /* Need angle for spot calculations */
1176 if (!TEST_MAT_FLAGS( &ctx->ModelView, MAT_FLAGS_ANGLE_PRESERVING))
1177 ctx->NeedEyeCoords = GL_TRUE;
1178 }
1179 ctx->NeedEyeNormals = ctx->NeedEyeCoords;
1180 }
1181 if (ctx->Texture.Enabled || ctx->RenderMode==GL_FEEDBACK) {
1182 if (ctx->Texture.NeedEyeCoords) ctx->NeedEyeCoords = GL_TRUE;
1183 if (ctx->Texture.NeedNormals)
1184 ctx->NeedNormals = ctx->NeedEyeNormals = GL_TRUE;
1185 }
1186
1187 ctx->vb_proj_matrix = &ctx->ModelProjectMatrix;
1188
1189 if (ctx->NeedEyeCoords)
1190 ctx->vb_proj_matrix = &ctx->ProjectionMatrix;
1191
1192 if (ctx->Light.Enabled) {
1193 gl_update_lighting_function(ctx);
1194
1195 if ( (ctx->NewState & NEW_LIGHTING) ||
1196 ((ctx->NewState & (NEW_MODELVIEW| NEW_PROJECTION)) &&
1197 !ctx->NeedEyeCoords) ||
1198 oldcoord != ctx->NeedEyeCoords ||
1199 oldnorm != ctx->NeedEyeNormals) {
1200 gl_compute_light_positions(ctx);
1201 }
1202
1203 ctx->rescale_factor = 1.0F;
1204
1205 if (ctx->ModelView.flags & (MAT_FLAG_UNIFORM_SCALE |
1206 MAT_FLAG_GENERAL_SCALE |
1207 MAT_FLAG_GENERAL_3D |
1208 MAT_FLAG_GENERAL) )
1209
1210 {
1211 GLfloat *m = ctx->ModelView.inv;
1212 GLfloat f = m[2]*m[2] + m[6]*m[6] + m[10]*m[10];
1213 if (f > 1e-12 && (f-1)*(f-1) > 1e-12)
1214 ctx->rescale_factor = 1.0/GL_SQRT(f);
1215 }
1216 }
1217
1218 gl_update_normal_transform( ctx );
1219 }
1220
1221 gl_update_pipelines(ctx);
1222 ctx->NewState = 0;
1223}
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