1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26 /*
27 * This is the GLX API dispatcher. It uses a dispatch table but that's
28 * not really needed anymore since the table always points to the "fake"
29 * GLX functions.
30 */
31
32
33 #include <assert.h>
34 #include <stdlib.h>
35 #include <stdio.h>
36 #include <string.h>
37 #include "main/glheader.h"
38 #include "main/compiler.h"
39 #include "glapi/glapi.h"
40 #include "glxapi.h"
41
42
43 extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
44
45
46 struct display_dispatch {
47 Display *Dpy;
48 struct _glxapi_table *Table;
49 struct display_dispatch *Next;
50 };
51
52
53 /**
54 * When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
55 * libglapi.a. We need to define them here.
56 */
57 #ifdef GLX_INDIRECT_RENDERING
58
59 #include "glapi/glapitable.h"
60
61 #define KEYWORD1 PUBLIC
62
63 #if defined(USE_MGL_NAMESPACE)
64 #define NAME(func) mgl##func
65 #else
66 #define NAME(func) gl##func
67 #endif
68
69 #define DISPATCH(FUNC, ARGS, MESSAGE) \
70 GET_DISPATCH()->FUNC ARGS
71
72 #define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \
73 return GET_DISPATCH()->FUNC ARGS
74
75 /* skip normal ones */
76 #define _GLAPI_SKIP_NORMAL_ENTRY_POINTS
77 #include "glapi/glapitemp.h"
78
79 #endif /* GLX_INDIRECT_RENDERING */
80
81
82 static struct display_dispatch *DispatchList = NULL;
83
84
85 /* Display -> Dispatch caching */
86 static Display *prevDisplay = NULL;
87 static struct _glxapi_table *prevTable = NULL;
88
89
90 static struct _glxapi_table *
get_dispatch(Display * dpy)91 get_dispatch(Display *dpy)
92 {
93 if (!dpy)
94 return NULL;
95
96 /* search list of display/dispatch pairs for this display */
97 {
98 const struct display_dispatch *d = DispatchList;
99 while (d) {
100 if (d->Dpy == dpy) {
101 prevDisplay = dpy;
102 prevTable = d->Table;
103 return d->Table; /* done! */
104 }
105 d = d->Next;
106 }
107 }
108
109 /* Setup the dispatch table */
110 {
111 struct _glxapi_table *t = _mesa_GetGLXDispatchTable();
112
113 if (t) {
114 struct display_dispatch *d;
115 d = malloc(sizeof(struct display_dispatch));
116 if (d) {
117 d->Dpy = dpy;
118 d->Table = t;
119 /* insert at head of list */
120 d->Next = DispatchList;
121 DispatchList = d;
122 /* update cache */
123 prevDisplay = dpy;
124 prevTable = t;
125 return t;
126 }
127 }
128 }
129
130 return NULL;
131 }
132
133
134 /* Don't use the GET_DISPATCH macro */
135 #undef GET_DISPATCH
136
137 #define GET_DISPATCH(DPY, TABLE) \
138 if (DPY == prevDisplay) { \
139 TABLE = prevTable; \
140 } \
141 else if (!DPY) { \
142 TABLE = NULL; \
143 } \
144 else { \
145 TABLE = get_dispatch(DPY); \
146 }
147
148
149 /*
150 * GLX API entrypoints
151 */
152
153 /*** GLX_VERSION_1_0 ***/
154
155 XVisualInfo PUBLIC *
glXChooseVisual(Display * dpy,int screen,int * list)156 glXChooseVisual(Display *dpy, int screen, int *list)
157 {
158 struct _glxapi_table *t;
159 GET_DISPATCH(dpy, t);
160 if (!t)
161 return NULL;
162 return t->ChooseVisual(dpy, screen, list);
163 }
164
165
166 void PUBLIC
glXCopyContext(Display * dpy,GLXContext src,GLXContext dst,unsigned long mask)167 glXCopyContext(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask)
168 {
169 struct _glxapi_table *t;
170 GET_DISPATCH(dpy, t);
171 if (!t)
172 return;
173 t->CopyContext(dpy, src, dst, mask);
174 }
175
176
177 GLXContext PUBLIC
glXCreateContext(Display * dpy,XVisualInfo * visinfo,GLXContext shareList,Bool direct)178 glXCreateContext(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct)
179 {
180 struct _glxapi_table *t;
181 GET_DISPATCH(dpy, t);
182 if (!t)
183 return 0;
184 return t->CreateContext(dpy, visinfo, shareList, direct);
185 }
186
187
188 GLXPixmap PUBLIC
glXCreateGLXPixmap(Display * dpy,XVisualInfo * visinfo,Pixmap pixmap)189 glXCreateGLXPixmap(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap)
190 {
191 struct _glxapi_table *t;
192 GET_DISPATCH(dpy, t);
193 if (!t)
194 return 0;
195 return t->CreateGLXPixmap(dpy, visinfo, pixmap);
196 }
197
198
199 void PUBLIC
glXDestroyContext(Display * dpy,GLXContext ctx)200 glXDestroyContext(Display *dpy, GLXContext ctx)
201 {
202 struct _glxapi_table *t;
203 GET_DISPATCH(dpy, t);
204 if (!t)
205 return;
206 t->DestroyContext(dpy, ctx);
207 }
208
209
210 void PUBLIC
glXDestroyGLXPixmap(Display * dpy,GLXPixmap pixmap)211 glXDestroyGLXPixmap(Display *dpy, GLXPixmap pixmap)
212 {
213 struct _glxapi_table *t;
214 GET_DISPATCH(dpy, t);
215 if (!t)
216 return;
217 t->DestroyGLXPixmap(dpy, pixmap);
218 }
219
220
221 int PUBLIC
glXGetConfig(Display * dpy,XVisualInfo * visinfo,int attrib,int * value)222 glXGetConfig(Display *dpy, XVisualInfo *visinfo, int attrib, int *value)
223 {
224 struct _glxapi_table *t;
225 GET_DISPATCH(dpy, t);
226 if (!t)
227 return GLX_NO_EXTENSION;
228 return t->GetConfig(dpy, visinfo, attrib, value);
229 }
230
231
232 /* declare here to avoid including xmesa.h */
233 extern void *XMesaGetCurrentContext(void);
234
235 GLXContext PUBLIC
glXGetCurrentContext(void)236 glXGetCurrentContext(void)
237 {
238 return (GLXContext) XMesaGetCurrentContext();
239 }
240
241
242 GLXDrawable PUBLIC
glXGetCurrentDrawable(void)243 glXGetCurrentDrawable(void)
244 {
245 __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext();
246 return gc ? gc->currentDrawable : 0;
247 }
248
249
250 Bool PUBLIC
glXIsDirect(Display * dpy,GLXContext ctx)251 glXIsDirect(Display *dpy, GLXContext ctx)
252 {
253 struct _glxapi_table *t;
254 GET_DISPATCH(dpy, t);
255 if (!t)
256 return False;
257 return t->IsDirect(dpy, ctx);
258 }
259
260
261 Bool PUBLIC
glXMakeCurrent(Display * dpy,GLXDrawable drawable,GLXContext ctx)262 glXMakeCurrent(Display *dpy, GLXDrawable drawable, GLXContext ctx)
263 {
264 Bool b;
265 struct _glxapi_table *t;
266 GET_DISPATCH(dpy, t);
267 if (!t) {
268 return False;
269 }
270 b = t->MakeCurrent(dpy, drawable, ctx);
271 return b;
272 }
273
274
275 Bool PUBLIC
glXQueryExtension(Display * dpy,int * errorb,int * event)276 glXQueryExtension(Display *dpy, int *errorb, int *event)
277 {
278 struct _glxapi_table *t;
279 GET_DISPATCH(dpy, t);
280 if (!t)
281 return False;
282 return t->QueryExtension(dpy, errorb, event);
283 }
284
285
286 Bool PUBLIC
glXQueryVersion(Display * dpy,int * maj,int * min)287 glXQueryVersion(Display *dpy, int *maj, int *min)
288 {
289 struct _glxapi_table *t;
290 GET_DISPATCH(dpy, t);
291 if (!t)
292 return False;
293 return t->QueryVersion(dpy, maj, min);
294 }
295
296
297 void PUBLIC
glXSwapBuffers(Display * dpy,GLXDrawable drawable)298 glXSwapBuffers(Display *dpy, GLXDrawable drawable)
299 {
300 struct _glxapi_table *t;
301 GET_DISPATCH(dpy, t);
302 if (!t)
303 return;
304 t->SwapBuffers(dpy, drawable);
305 }
306
307
308 void PUBLIC
glXUseXFont(Font font,int first,int count,int listBase)309 glXUseXFont(Font font, int first, int count, int listBase)
310 {
311 struct _glxapi_table *t;
312 Display *dpy = glXGetCurrentDisplay();
313 GET_DISPATCH(dpy, t);
314 if (!t)
315 return;
316 t->UseXFont(font, first, count, listBase);
317 }
318
319
320 void PUBLIC
glXWaitGL(void)321 glXWaitGL(void)
322 {
323 struct _glxapi_table *t;
324 Display *dpy = glXGetCurrentDisplay();
325 GET_DISPATCH(dpy, t);
326 if (!t)
327 return;
328 t->WaitGL();
329 }
330
331
332 void PUBLIC
glXWaitX(void)333 glXWaitX(void)
334 {
335 struct _glxapi_table *t;
336 Display *dpy = glXGetCurrentDisplay();
337 GET_DISPATCH(dpy, t);
338 if (!t)
339 return;
340 t->WaitX();
341 }
342
343
344
345 /*** GLX_VERSION_1_1 ***/
346
347 const char PUBLIC *
glXGetClientString(Display * dpy,int name)348 glXGetClientString(Display *dpy, int name)
349 {
350 struct _glxapi_table *t;
351 GET_DISPATCH(dpy, t);
352 if (!t)
353 return NULL;
354 return t->GetClientString(dpy, name);
355 }
356
357
358 const char PUBLIC *
glXQueryExtensionsString(Display * dpy,int screen)359 glXQueryExtensionsString(Display *dpy, int screen)
360 {
361 struct _glxapi_table *t;
362 GET_DISPATCH(dpy, t);
363 if (!t)
364 return NULL;
365 return t->QueryExtensionsString(dpy, screen);
366 }
367
368
369 const char PUBLIC *
glXQueryServerString(Display * dpy,int screen,int name)370 glXQueryServerString(Display *dpy, int screen, int name)
371 {
372 struct _glxapi_table *t;
373 GET_DISPATCH(dpy, t);
374 if (!t)
375 return NULL;
376 return t->QueryServerString(dpy, screen, name);
377 }
378
379
380 /*** GLX_VERSION_1_2 ***/
381
382 Display PUBLIC *
glXGetCurrentDisplay(void)383 glXGetCurrentDisplay(void)
384 {
385 /* Same code as in libGL's glxext.c */
386 __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext();
387 if (NULL == gc) return NULL;
388 return gc->currentDpy;
389 }
390
391
392
393 /*** GLX_VERSION_1_3 ***/
394
395 GLXFBConfig PUBLIC *
glXChooseFBConfig(Display * dpy,int screen,const int * attribList,int * nitems)396 glXChooseFBConfig(Display *dpy, int screen, const int *attribList, int *nitems)
397 {
398 struct _glxapi_table *t;
399 GET_DISPATCH(dpy, t);
400 if (!t)
401 return 0;
402 return t->ChooseFBConfig(dpy, screen, attribList, nitems);
403 }
404
405
406 GLXContext PUBLIC
glXCreateNewContext(Display * dpy,GLXFBConfig config,int renderType,GLXContext shareList,Bool direct)407 glXCreateNewContext(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct)
408 {
409 struct _glxapi_table *t;
410 GET_DISPATCH(dpy, t);
411 if (!t)
412 return 0;
413 return t->CreateNewContext(dpy, config, renderType, shareList, direct);
414 }
415
416
417 GLXPbuffer PUBLIC
glXCreatePbuffer(Display * dpy,GLXFBConfig config,const int * attribList)418 glXCreatePbuffer(Display *dpy, GLXFBConfig config, const int *attribList)
419 {
420 struct _glxapi_table *t;
421 GET_DISPATCH(dpy, t);
422 if (!t)
423 return 0;
424 return t->CreatePbuffer(dpy, config, attribList);
425 }
426
427
428 GLXPixmap PUBLIC
glXCreatePixmap(Display * dpy,GLXFBConfig config,Pixmap pixmap,const int * attribList)429 glXCreatePixmap(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList)
430 {
431 struct _glxapi_table *t;
432 GET_DISPATCH(dpy, t);
433 if (!t)
434 return 0;
435 return t->CreatePixmap(dpy, config, pixmap, attribList);
436 }
437
438
439 GLXWindow PUBLIC
glXCreateWindow(Display * dpy,GLXFBConfig config,Window win,const int * attribList)440 glXCreateWindow(Display *dpy, GLXFBConfig config, Window win, const int *attribList)
441 {
442 struct _glxapi_table *t;
443 GET_DISPATCH(dpy, t);
444 if (!t)
445 return 0;
446 return t->CreateWindow(dpy, config, win, attribList);
447 }
448
449
450 void PUBLIC
glXDestroyPbuffer(Display * dpy,GLXPbuffer pbuf)451 glXDestroyPbuffer(Display *dpy, GLXPbuffer pbuf)
452 {
453 struct _glxapi_table *t;
454 GET_DISPATCH(dpy, t);
455 if (!t)
456 return;
457 t->DestroyPbuffer(dpy, pbuf);
458 }
459
460
461 void PUBLIC
glXDestroyPixmap(Display * dpy,GLXPixmap pixmap)462 glXDestroyPixmap(Display *dpy, GLXPixmap pixmap)
463 {
464 struct _glxapi_table *t;
465 GET_DISPATCH(dpy, t);
466 if (!t)
467 return;
468 t->DestroyPixmap(dpy, pixmap);
469 }
470
471
472 void PUBLIC
glXDestroyWindow(Display * dpy,GLXWindow window)473 glXDestroyWindow(Display *dpy, GLXWindow window)
474 {
475 struct _glxapi_table *t;
476 GET_DISPATCH(dpy, t);
477 if (!t)
478 return;
479 t->DestroyWindow(dpy, window);
480 }
481
482
483 GLXDrawable PUBLIC
glXGetCurrentReadDrawable(void)484 glXGetCurrentReadDrawable(void)
485 {
486 __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext();
487 return gc ? gc->currentReadable : 0;
488 }
489
490
491 int PUBLIC
glXGetFBConfigAttrib(Display * dpy,GLXFBConfig config,int attribute,int * value)492 glXGetFBConfigAttrib(Display *dpy, GLXFBConfig config, int attribute, int *value)
493 {
494 struct _glxapi_table *t;
495 GET_DISPATCH(dpy, t);
496 if (!t)
497 return GLX_NO_EXTENSION;
498 return t->GetFBConfigAttrib(dpy, config, attribute, value);
499 }
500
501
502 GLXFBConfig PUBLIC *
glXGetFBConfigs(Display * dpy,int screen,int * nelements)503 glXGetFBConfigs(Display *dpy, int screen, int *nelements)
504 {
505 struct _glxapi_table *t;
506 GET_DISPATCH(dpy, t);
507 if (!t)
508 return 0;
509 return t->GetFBConfigs(dpy, screen, nelements);
510 }
511
512 void PUBLIC
glXGetSelectedEvent(Display * dpy,GLXDrawable drawable,unsigned long * mask)513 glXGetSelectedEvent(Display *dpy, GLXDrawable drawable, unsigned long *mask)
514 {
515 struct _glxapi_table *t;
516 GET_DISPATCH(dpy, t);
517 if (!t)
518 return;
519 t->GetSelectedEvent(dpy, drawable, mask);
520 }
521
522
523 XVisualInfo PUBLIC *
glXGetVisualFromFBConfig(Display * dpy,GLXFBConfig config)524 glXGetVisualFromFBConfig(Display *dpy, GLXFBConfig config)
525 {
526 struct _glxapi_table *t;
527 GET_DISPATCH(dpy, t);
528 if (!t)
529 return NULL;
530 return t->GetVisualFromFBConfig(dpy, config);
531 }
532
533
534 Bool PUBLIC
glXMakeContextCurrent(Display * dpy,GLXDrawable draw,GLXDrawable read,GLXContext ctx)535 glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
536 {
537 Bool b;
538 struct _glxapi_table *t;
539 GET_DISPATCH(dpy, t);
540 if (!t)
541 return False;
542 b = t->MakeContextCurrent(dpy, draw, read, ctx);
543 return b;
544 }
545
546
547 int PUBLIC
glXQueryContext(Display * dpy,GLXContext ctx,int attribute,int * value)548 glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value)
549 {
550 struct _glxapi_table *t;
551 GET_DISPATCH(dpy, t);
552 assert(t);
553 if (!t)
554 return 0; /* XXX correct? */
555 return t->QueryContext(dpy, ctx, attribute, value);
556 }
557
558
559 void PUBLIC
glXQueryDrawable(Display * dpy,GLXDrawable draw,int attribute,unsigned int * value)560 glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value)
561 {
562 struct _glxapi_table *t;
563 GET_DISPATCH(dpy, t);
564 if (!t)
565 return;
566 t->QueryDrawable(dpy, draw, attribute, value);
567 }
568
569
570 void PUBLIC
glXSelectEvent(Display * dpy,GLXDrawable drawable,unsigned long mask)571 glXSelectEvent(Display *dpy, GLXDrawable drawable, unsigned long mask)
572 {
573 struct _glxapi_table *t;
574 GET_DISPATCH(dpy, t);
575 if (!t)
576 return;
577 t->SelectEvent(dpy, drawable, mask);
578 }
579
580
581
582 /*** GLX_SGI_swap_control ***/
583
584 int PUBLIC
glXSwapIntervalSGI(int interval)585 glXSwapIntervalSGI(int interval)
586 {
587 struct _glxapi_table *t;
588 Display *dpy = glXGetCurrentDisplay();
589 GET_DISPATCH(dpy, t);
590 if (!t)
591 return 0;
592 return t->SwapIntervalSGI(interval);
593 }
594
595
596
597 /*** GLX_SGI_video_sync ***/
598
599 int PUBLIC
glXGetVideoSyncSGI(unsigned int * count)600 glXGetVideoSyncSGI(unsigned int *count)
601 {
602 struct _glxapi_table *t;
603 Display *dpy = glXGetCurrentDisplay();
604 GET_DISPATCH(dpy, t);
605 if (!t || !glXGetCurrentContext())
606 return GLX_BAD_CONTEXT;
607 return t->GetVideoSyncSGI(count);
608 }
609
610 int PUBLIC
glXWaitVideoSyncSGI(int divisor,int remainder,unsigned int * count)611 glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
612 {
613 struct _glxapi_table *t;
614 Display *dpy = glXGetCurrentDisplay();
615 GET_DISPATCH(dpy, t);
616 if (!t || !glXGetCurrentContext())
617 return GLX_BAD_CONTEXT;
618 return t->WaitVideoSyncSGI(divisor, remainder, count);
619 }
620
621
622
623 /*** GLX_SGI_make_current_read ***/
624
625 Bool PUBLIC
glXMakeCurrentReadSGI(Display * dpy,GLXDrawable draw,GLXDrawable read,GLXContext ctx)626 glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
627 {
628 struct _glxapi_table *t;
629 GET_DISPATCH(dpy, t);
630 if (!t)
631 return False;
632 return t->MakeCurrentReadSGI(dpy, draw, read, ctx);
633 }
634
635 GLXDrawable PUBLIC
glXGetCurrentReadDrawableSGI(void)636 glXGetCurrentReadDrawableSGI(void)
637 {
638 return glXGetCurrentReadDrawable();
639 }
640
641
642 #if defined(_VL_H)
643
644 GLXVideoSourceSGIX PUBLIC
glXCreateGLXVideoSourceSGIX(Display * dpy,int screen,VLServer server,VLPath path,int nodeClass,VLNode drainNode)645 glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode)
646 {
647 struct _glxapi_table *t;
648 GET_DISPATCH(dpy, t);
649 if (!t)
650 return 0;
651 return t->CreateGLXVideoSourceSGIX(dpy, screen, server, path, nodeClass, drainNode);
652 }
653
654 void PUBLIC
glXDestroyGLXVideoSourceSGIX(Display * dpy,GLXVideoSourceSGIX src)655 glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src)
656 {
657 struct _glxapi_table *t;
658 GET_DISPATCH(dpy, t);
659 if (!t)
660 return 0;
661 return t->DestroyGLXVideoSourceSGIX(dpy, src);
662 }
663
664 #endif
665
666
667 /*** GLX_EXT_import_context ***/
668
669 void PUBLIC
glXFreeContextEXT(Display * dpy,GLXContext context)670 glXFreeContextEXT(Display *dpy, GLXContext context)
671 {
672 struct _glxapi_table *t;
673 GET_DISPATCH(dpy, t);
674 if (!t)
675 return;
676 t->FreeContextEXT(dpy, context);
677 }
678
679 GLXContextID PUBLIC
glXGetContextIDEXT(const GLXContext context)680 glXGetContextIDEXT(const GLXContext context)
681 {
682 return ((__GLXcontext *) context)->xid;
683 }
684
685 Display PUBLIC *
glXGetCurrentDisplayEXT(void)686 glXGetCurrentDisplayEXT(void)
687 {
688 return glXGetCurrentDisplay();
689 }
690
691 GLXContext PUBLIC
glXImportContextEXT(Display * dpy,GLXContextID contextID)692 glXImportContextEXT(Display *dpy, GLXContextID contextID)
693 {
694 struct _glxapi_table *t;
695 GET_DISPATCH(dpy, t);
696 if (!t)
697 return 0;
698 return t->ImportContextEXT(dpy, contextID);
699 }
700
701 int PUBLIC
glXQueryContextInfoEXT(Display * dpy,GLXContext context,int attribute,int * value)702 glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute,int *value)
703 {
704 struct _glxapi_table *t;
705 GET_DISPATCH(dpy, t);
706 if (!t)
707 return 0; /* XXX ok? */
708 return t->QueryContextInfoEXT(dpy, context, attribute, value);
709 }
710
711
712
713 /*** GLX_SGIX_fbconfig ***/
714
715 int PUBLIC
glXGetFBConfigAttribSGIX(Display * dpy,GLXFBConfigSGIX config,int attribute,int * value)716 glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value)
717 {
718 struct _glxapi_table *t;
719 GET_DISPATCH(dpy, t);
720 if (!t)
721 return 0;
722 return t->GetFBConfigAttribSGIX(dpy, config, attribute, value);
723 }
724
725 GLXFBConfigSGIX PUBLIC *
glXChooseFBConfigSGIX(Display * dpy,int screen,int * attrib_list,int * nelements)726 glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements)
727 {
728 struct _glxapi_table *t;
729 GET_DISPATCH(dpy, t);
730 if (!t)
731 return 0;
732 return t->ChooseFBConfigSGIX(dpy, screen, attrib_list, nelements);
733 }
734
735 GLXPixmap PUBLIC
glXCreateGLXPixmapWithConfigSGIX(Display * dpy,GLXFBConfigSGIX config,Pixmap pixmap)736 glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap)
737 {
738 struct _glxapi_table *t;
739 GET_DISPATCH(dpy, t);
740 if (!t)
741 return 0;
742 return t->CreateGLXPixmapWithConfigSGIX(dpy, config, pixmap);
743 }
744
745 GLXContext PUBLIC
glXCreateContextWithConfigSGIX(Display * dpy,GLXFBConfigSGIX config,int render_type,GLXContext share_list,Bool direct)746 glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct)
747 {
748 struct _glxapi_table *t;
749 GET_DISPATCH(dpy, t);
750 if (!t)
751 return 0;
752 return t->CreateContextWithConfigSGIX(dpy, config, render_type, share_list, direct);
753 }
754
755 XVisualInfo PUBLIC *
glXGetVisualFromFBConfigSGIX(Display * dpy,GLXFBConfigSGIX config)756 glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config)
757 {
758 struct _glxapi_table *t;
759 GET_DISPATCH(dpy, t);
760 if (!t)
761 return 0;
762 return t->GetVisualFromFBConfigSGIX(dpy, config);
763 }
764
765 GLXFBConfigSGIX PUBLIC
glXGetFBConfigFromVisualSGIX(Display * dpy,XVisualInfo * vis)766 glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)
767 {
768 struct _glxapi_table *t;
769 GET_DISPATCH(dpy, t);
770 if (!t)
771 return 0;
772 return t->GetFBConfigFromVisualSGIX(dpy, vis);
773 }
774
775
776
777 /*** GLX_SGIX_pbuffer ***/
778
779 GLXPbufferSGIX PUBLIC
glXCreateGLXPbufferSGIX(Display * dpy,GLXFBConfigSGIX config,unsigned int width,unsigned int height,int * attrib_list)780 glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list)
781 {
782 struct _glxapi_table *t;
783 GET_DISPATCH(dpy, t);
784 if (!t)
785 return 0;
786 return t->CreateGLXPbufferSGIX(dpy, config, width, height, attrib_list);
787 }
788
789 void PUBLIC
glXDestroyGLXPbufferSGIX(Display * dpy,GLXPbufferSGIX pbuf)790 glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf)
791 {
792 struct _glxapi_table *t;
793 GET_DISPATCH(dpy, t);
794 if (!t)
795 return;
796 t->DestroyGLXPbufferSGIX(dpy, pbuf);
797 }
798
799 int PUBLIC
glXQueryGLXPbufferSGIX(Display * dpy,GLXPbufferSGIX pbuf,int attribute,unsigned int * value)800 glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value)
801 {
802 struct _glxapi_table *t;
803 GET_DISPATCH(dpy, t);
804 if (!t)
805 return 0;
806 return t->QueryGLXPbufferSGIX(dpy, pbuf, attribute, value);
807 }
808
809 void PUBLIC
glXSelectEventSGIX(Display * dpy,GLXDrawable drawable,unsigned long mask)810 glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask)
811 {
812 struct _glxapi_table *t;
813 GET_DISPATCH(dpy, t);
814 if (!t)
815 return;
816 t->SelectEventSGIX(dpy, drawable, mask);
817 }
818
819 void PUBLIC
glXGetSelectedEventSGIX(Display * dpy,GLXDrawable drawable,unsigned long * mask)820 glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask)
821 {
822 struct _glxapi_table *t;
823 GET_DISPATCH(dpy, t);
824 if (!t)
825 return;
826 t->GetSelectedEventSGIX(dpy, drawable, mask);
827 }
828
829
830
831 /*** GLX_SGI_cushion ***/
832
833 void PUBLIC
glXCushionSGI(Display * dpy,Window win,float cushion)834 glXCushionSGI(Display *dpy, Window win, float cushion)
835 {
836 struct _glxapi_table *t;
837 GET_DISPATCH(dpy, t);
838 if (!t)
839 return;
840 t->CushionSGI(dpy, win, cushion);
841 }
842
843
844
845 /*** GLX_SGIX_video_resize ***/
846
847 int PUBLIC
glXBindChannelToWindowSGIX(Display * dpy,int screen,int channel,Window window)848 glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window)
849 {
850 struct _glxapi_table *t;
851 GET_DISPATCH(dpy, t);
852 if (!t)
853 return 0;
854 return t->BindChannelToWindowSGIX(dpy, screen, channel, window);
855 }
856
857 int PUBLIC
glXChannelRectSGIX(Display * dpy,int screen,int channel,int x,int y,int w,int h)858 glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h)
859 {
860 struct _glxapi_table *t;
861 GET_DISPATCH(dpy, t);
862 if (!t)
863 return 0;
864 return t->ChannelRectSGIX(dpy, screen, channel, x, y, w, h);
865 }
866
867 int PUBLIC
glXQueryChannelRectSGIX(Display * dpy,int screen,int channel,int * x,int * y,int * w,int * h)868 glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h)
869 {
870 struct _glxapi_table *t;
871 GET_DISPATCH(dpy, t);
872 if (!t)
873 return 0;
874 return t->QueryChannelRectSGIX(dpy, screen, channel, x, y, w, h);
875 }
876
877 int PUBLIC
glXQueryChannelDeltasSGIX(Display * dpy,int screen,int channel,int * dx,int * dy,int * dw,int * dh)878 glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh)
879 {
880 struct _glxapi_table *t;
881 GET_DISPATCH(dpy, t);
882 if (!t)
883 return 0;
884 return t->QueryChannelDeltasSGIX(dpy, screen, channel, dx, dy, dw, dh);
885 }
886
887 int PUBLIC
glXChannelRectSyncSGIX(Display * dpy,int screen,int channel,GLenum synctype)888 glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype)
889 {
890 struct _glxapi_table *t;
891 GET_DISPATCH(dpy, t);
892 if (!t)
893 return 0;
894 return t->ChannelRectSyncSGIX(dpy, screen, channel, synctype);
895 }
896
897
898
899 #if defined(_DM_BUFFER_H_)
900
901 Bool PUBLIC
glXAssociateDMPbufferSGIX(Display * dpy,GLXPbufferSGIX pbuffer,DMparams * params,DMbuffer dmbuffer)902 glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer)
903 {
904 struct _glxapi_table *t;
905 GET_DISPATCH(dpy, t);
906 if (!t)
907 return False;
908 return t->AssociateDMPbufferSGIX(dpy, pbuffer, params, dmbuffer);
909 }
910
911 #endif
912
913
914 /*** GLX_SGIX_swap_group ***/
915
916 void PUBLIC
glXJoinSwapGroupSGIX(Display * dpy,GLXDrawable drawable,GLXDrawable member)917 glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member)
918 {
919 struct _glxapi_table *t;
920 GET_DISPATCH(dpy, t);
921 if (!t)
922 return;
923 t->JoinSwapGroupSGIX(dpy, drawable, member);
924 }
925
926
927 /*** GLX_SGIX_swap_barrier ***/
928
929 void PUBLIC
glXBindSwapBarrierSGIX(Display * dpy,GLXDrawable drawable,int barrier)930 glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)
931 {
932 struct _glxapi_table *t;
933 GET_DISPATCH(dpy, t);
934 if (!t)
935 return;
936 t->BindSwapBarrierSGIX(dpy, drawable, barrier);
937 }
938
939 Bool PUBLIC
glXQueryMaxSwapBarriersSGIX(Display * dpy,int screen,int * max)940 glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max)
941 {
942 struct _glxapi_table *t;
943 GET_DISPATCH(dpy, t);
944 if (!t)
945 return False;
946 return t->QueryMaxSwapBarriersSGIX(dpy, screen, max);
947 }
948
949
950
951 /*** GLX_SUN_get_transparent_index ***/
952
953 Status PUBLIC
glXGetTransparentIndexSUN(Display * dpy,Window overlay,Window underlay,long * pTransparent)954 glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent)
955 {
956 struct _glxapi_table *t;
957 GET_DISPATCH(dpy, t);
958 if (!t)
959 return False;
960 return t->GetTransparentIndexSUN(dpy, overlay, underlay, pTransparent);
961 }
962
963
964
965 /*** GLX_MESA_copy_sub_buffer ***/
966
967 void PUBLIC
glXCopySubBufferMESA(Display * dpy,GLXDrawable drawable,int x,int y,int width,int height)968 glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height)
969 {
970 struct _glxapi_table *t;
971 GET_DISPATCH(dpy, t);
972 if (!t)
973 return;
974 t->CopySubBufferMESA(dpy, drawable, x, y, width, height);
975 }
976
977
978
979 /*** GLX_MESA_release_buffers ***/
980
981 Bool PUBLIC
glXReleaseBuffersMESA(Display * dpy,Window w)982 glXReleaseBuffersMESA(Display *dpy, Window w)
983 {
984 struct _glxapi_table *t;
985 GET_DISPATCH(dpy, t);
986 if (!t)
987 return False;
988 return t->ReleaseBuffersMESA(dpy, w);
989 }
990
991
992
993 /*** GLX_MESA_pixmap_colormap ***/
994
995 GLXPixmap PUBLIC
glXCreateGLXPixmapMESA(Display * dpy,XVisualInfo * visinfo,Pixmap pixmap,Colormap cmap)996 glXCreateGLXPixmapMESA(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap)
997 {
998 struct _glxapi_table *t;
999 GET_DISPATCH(dpy, t);
1000 if (!t)
1001 return 0;
1002 return t->CreateGLXPixmapMESA(dpy, visinfo, pixmap, cmap);
1003 }
1004
1005
1006
1007 /*** GLX_MESA_set_3dfx_mode ***/
1008
1009 Bool PUBLIC
glXSet3DfxModeMESA(int mode)1010 glXSet3DfxModeMESA(int mode)
1011 {
1012 struct _glxapi_table *t;
1013 Display *dpy = glXGetCurrentDisplay();
1014 GET_DISPATCH(dpy, t);
1015 if (!t)
1016 return False;
1017 return t->Set3DfxModeMESA(mode);
1018 }
1019
1020
1021
1022 /*** GLX_NV_vertex_array_range ***/
1023
1024 void PUBLIC *
glXAllocateMemoryNV(GLsizei size,GLfloat readFrequency,GLfloat writeFrequency,GLfloat priority)1025 glXAllocateMemoryNV( GLsizei size,
1026 GLfloat readFrequency,
1027 GLfloat writeFrequency,
1028 GLfloat priority )
1029 {
1030 struct _glxapi_table *t;
1031 Display *dpy = glXGetCurrentDisplay();
1032 GET_DISPATCH(dpy, t);
1033 if (!t)
1034 return NULL;
1035 return t->AllocateMemoryNV(size, readFrequency, writeFrequency, priority);
1036 }
1037
1038
1039 void PUBLIC
glXFreeMemoryNV(GLvoid * pointer)1040 glXFreeMemoryNV( GLvoid *pointer )
1041 {
1042 struct _glxapi_table *t;
1043 Display *dpy = glXGetCurrentDisplay();
1044 GET_DISPATCH(dpy, t);
1045 if (!t)
1046 return;
1047 t->FreeMemoryNV(pointer);
1048 }
1049
1050
1051
1052
1053 /*** GLX_MESA_agp_offset */
1054
1055 GLuint PUBLIC
glXGetAGPOffsetMESA(const GLvoid * pointer)1056 glXGetAGPOffsetMESA( const GLvoid *pointer )
1057 {
1058 struct _glxapi_table *t;
1059 Display *dpy = glXGetCurrentDisplay();
1060 GET_DISPATCH(dpy, t);
1061 if (!t)
1062 return ~0;
1063 return t->GetAGPOffsetMESA(pointer);
1064 }
1065
1066
1067 /*** GLX_EXT_texture_from_pixmap */
1068
1069 void PUBLIC
glXBindTexImageEXT(Display * dpy,GLXDrawable drawable,int buffer,const int * attrib_list)1070 glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer,
1071 const int *attrib_list)
1072 {
1073 struct _glxapi_table *t;
1074 GET_DISPATCH(dpy, t);
1075 if (t)
1076 t->BindTexImageEXT(dpy, drawable, buffer, attrib_list);
1077 }
1078
1079 void PUBLIC
glXReleaseTexImageEXT(Display * dpy,GLXDrawable drawable,int buffer)1080 glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer)
1081 {
1082 struct _glxapi_table *t;
1083 GET_DISPATCH(dpy, t);
1084 if (t)
1085 t->ReleaseTexImageEXT(dpy, drawable, buffer);
1086 }
1087
1088
1089 /**********************************************************************/
1090 /* GLX API management functions */
1091 /**********************************************************************/
1092
1093
1094 const char *
_glxapi_get_version(void)1095 _glxapi_get_version(void)
1096 {
1097 return "1.3";
1098 }
1099
1100
1101 /*
1102 * Return array of extension strings.
1103 */
1104 const char **
_glxapi_get_extensions(void)1105 _glxapi_get_extensions(void)
1106 {
1107 static const char *extensions[] = {
1108 #ifdef GLX_EXT_import_context
1109 "GLX_EXT_import_context",
1110 #endif
1111 #ifdef GLX_SGI_video_sync
1112 "GLX_SGI_video_sync",
1113 #endif
1114 #ifdef GLX_MESA_copy_sub_buffer
1115 "GLX_MESA_copy_sub_buffer",
1116 #endif
1117 #ifdef GLX_MESA_release_buffers
1118 "GLX_MESA_release_buffers",
1119 #endif
1120 #ifdef GLX_MESA_pixmap_colormap
1121 "GLX_MESA_pixmap_colormap",
1122 #endif
1123 #ifdef GLX_MESA_set_3dfx_mode
1124 "GLX_MESA_set_3dfx_mode",
1125 #endif
1126 #ifdef GLX_SGIX_fbconfig
1127 "GLX_SGIX_fbconfig",
1128 #endif
1129 #ifdef GLX_SGIX_pbuffer
1130 "GLX_SGIX_pbuffer",
1131 #endif
1132 #ifdef GLX_EXT_texture_from_pixmap
1133 "GLX_EXT_texture_from_pixmap",
1134 #endif
1135 #ifdef GLX_INTEL_swap_event
1136 "GLX_INTEL_swap_event",
1137 #endif
1138 NULL
1139 };
1140 return extensions;
1141 }
1142
1143
1144 /*
1145 * Return size of the GLX dispatch table, in entries, not bytes.
1146 */
1147 GLuint
_glxapi_get_dispatch_table_size(void)1148 _glxapi_get_dispatch_table_size(void)
1149 {
1150 return sizeof(struct _glxapi_table) / sizeof(void *);
1151 }
1152
1153
1154 static int
generic_no_op_func(void)1155 generic_no_op_func(void)
1156 {
1157 return 0;
1158 }
1159
1160
1161 /*
1162 * Initialize all functions in given dispatch table to be no-ops
1163 */
1164 void
_glxapi_set_no_op_table(struct _glxapi_table * t)1165 _glxapi_set_no_op_table(struct _glxapi_table *t)
1166 {
1167 typedef int (*nop_func)(void);
1168 nop_func *dispatch = (nop_func *) t;
1169 GLuint n = _glxapi_get_dispatch_table_size();
1170 GLuint i;
1171 for (i = 0; i < n; i++) {
1172 dispatch[i] = generic_no_op_func;
1173 }
1174 }
1175
1176
1177 struct name_address_pair {
1178 const char *Name;
1179 __GLXextFuncPtr Address;
1180 };
1181
1182 static struct name_address_pair GLX_functions[] = {
1183 /*** GLX_VERSION_1_0 ***/
1184 { "glXChooseVisual", (__GLXextFuncPtr) glXChooseVisual },
1185 { "glXCopyContext", (__GLXextFuncPtr) glXCopyContext },
1186 { "glXCreateContext", (__GLXextFuncPtr) glXCreateContext },
1187 { "glXCreateGLXPixmap", (__GLXextFuncPtr) glXCreateGLXPixmap },
1188 { "glXDestroyContext", (__GLXextFuncPtr) glXDestroyContext },
1189 { "glXDestroyGLXPixmap", (__GLXextFuncPtr) glXDestroyGLXPixmap },
1190 { "glXGetConfig", (__GLXextFuncPtr) glXGetConfig },
1191 { "glXGetCurrentContext", (__GLXextFuncPtr) glXGetCurrentContext },
1192 { "glXGetCurrentDrawable", (__GLXextFuncPtr) glXGetCurrentDrawable },
1193 { "glXIsDirect", (__GLXextFuncPtr) glXIsDirect },
1194 { "glXMakeCurrent", (__GLXextFuncPtr) glXMakeCurrent },
1195 { "glXQueryExtension", (__GLXextFuncPtr) glXQueryExtension },
1196 { "glXQueryVersion", (__GLXextFuncPtr) glXQueryVersion },
1197 { "glXSwapBuffers", (__GLXextFuncPtr) glXSwapBuffers },
1198 { "glXUseXFont", (__GLXextFuncPtr) glXUseXFont },
1199 { "glXWaitGL", (__GLXextFuncPtr) glXWaitGL },
1200 { "glXWaitX", (__GLXextFuncPtr) glXWaitX },
1201
1202 /*** GLX_VERSION_1_1 ***/
1203 { "glXGetClientString", (__GLXextFuncPtr) glXGetClientString },
1204 { "glXQueryExtensionsString", (__GLXextFuncPtr) glXQueryExtensionsString },
1205 { "glXQueryServerString", (__GLXextFuncPtr) glXQueryServerString },
1206
1207 /*** GLX_VERSION_1_2 ***/
1208 { "glXGetCurrentDisplay", (__GLXextFuncPtr) glXGetCurrentDisplay },
1209
1210 /*** GLX_VERSION_1_3 ***/
1211 { "glXChooseFBConfig", (__GLXextFuncPtr) glXChooseFBConfig },
1212 { "glXCreateNewContext", (__GLXextFuncPtr) glXCreateNewContext },
1213 { "glXCreatePbuffer", (__GLXextFuncPtr) glXCreatePbuffer },
1214 { "glXCreatePixmap", (__GLXextFuncPtr) glXCreatePixmap },
1215 { "glXCreateWindow", (__GLXextFuncPtr) glXCreateWindow },
1216 { "glXDestroyPbuffer", (__GLXextFuncPtr) glXDestroyPbuffer },
1217 { "glXDestroyPixmap", (__GLXextFuncPtr) glXDestroyPixmap },
1218 { "glXDestroyWindow", (__GLXextFuncPtr) glXDestroyWindow },
1219 { "glXGetCurrentReadDrawable", (__GLXextFuncPtr) glXGetCurrentReadDrawable },
1220 { "glXGetFBConfigAttrib", (__GLXextFuncPtr) glXGetFBConfigAttrib },
1221 { "glXGetFBConfigs", (__GLXextFuncPtr) glXGetFBConfigs },
1222 { "glXGetSelectedEvent", (__GLXextFuncPtr) glXGetSelectedEvent },
1223 { "glXGetVisualFromFBConfig", (__GLXextFuncPtr) glXGetVisualFromFBConfig },
1224 { "glXMakeContextCurrent", (__GLXextFuncPtr) glXMakeContextCurrent },
1225 { "glXQueryContext", (__GLXextFuncPtr) glXQueryContext },
1226 { "glXQueryDrawable", (__GLXextFuncPtr) glXQueryDrawable },
1227 { "glXSelectEvent", (__GLXextFuncPtr) glXSelectEvent },
1228
1229 /*** GLX_VERSION_1_4 ***/
1230 { "glXGetProcAddress", (__GLXextFuncPtr) glXGetProcAddress },
1231
1232 /*** GLX_SGI_swap_control ***/
1233 { "glXSwapIntervalSGI", (__GLXextFuncPtr) glXSwapIntervalSGI },
1234
1235 /*** GLX_SGI_video_sync ***/
1236 { "glXGetVideoSyncSGI", (__GLXextFuncPtr) glXGetVideoSyncSGI },
1237 { "glXWaitVideoSyncSGI", (__GLXextFuncPtr) glXWaitVideoSyncSGI },
1238
1239 /*** GLX_SGI_make_current_read ***/
1240 { "glXMakeCurrentReadSGI", (__GLXextFuncPtr) glXMakeCurrentReadSGI },
1241 { "glXGetCurrentReadDrawableSGI", (__GLXextFuncPtr) glXGetCurrentReadDrawableSGI },
1242
1243 /*** GLX_SGIX_video_source ***/
1244 #if defined(_VL_H)
1245 { "glXCreateGLXVideoSourceSGIX", (__GLXextFuncPtr) glXCreateGLXVideoSourceSGIX },
1246 { "glXDestroyGLXVideoSourceSGIX", (__GLXextFuncPtr) glXDestroyGLXVideoSourceSGIX },
1247 #endif
1248
1249 /*** GLX_EXT_import_context ***/
1250 { "glXFreeContextEXT", (__GLXextFuncPtr) glXFreeContextEXT },
1251 { "glXGetContextIDEXT", (__GLXextFuncPtr) glXGetContextIDEXT },
1252 { "glXGetCurrentDisplayEXT", (__GLXextFuncPtr) glXGetCurrentDisplayEXT },
1253 { "glXImportContextEXT", (__GLXextFuncPtr) glXImportContextEXT },
1254 { "glXQueryContextInfoEXT", (__GLXextFuncPtr) glXQueryContextInfoEXT },
1255
1256 /*** GLX_SGIX_fbconfig ***/
1257 { "glXGetFBConfigAttribSGIX", (__GLXextFuncPtr) glXGetFBConfigAttribSGIX },
1258 { "glXChooseFBConfigSGIX", (__GLXextFuncPtr) glXChooseFBConfigSGIX },
1259 { "glXCreateGLXPixmapWithConfigSGIX", (__GLXextFuncPtr) glXCreateGLXPixmapWithConfigSGIX },
1260 { "glXCreateContextWithConfigSGIX", (__GLXextFuncPtr) glXCreateContextWithConfigSGIX },
1261 { "glXGetVisualFromFBConfigSGIX", (__GLXextFuncPtr) glXGetVisualFromFBConfigSGIX },
1262 { "glXGetFBConfigFromVisualSGIX", (__GLXextFuncPtr) glXGetFBConfigFromVisualSGIX },
1263
1264 /*** GLX_SGIX_pbuffer ***/
1265 { "glXCreateGLXPbufferSGIX", (__GLXextFuncPtr) glXCreateGLXPbufferSGIX },
1266 { "glXDestroyGLXPbufferSGIX", (__GLXextFuncPtr) glXDestroyGLXPbufferSGIX },
1267 { "glXQueryGLXPbufferSGIX", (__GLXextFuncPtr) glXQueryGLXPbufferSGIX },
1268 { "glXSelectEventSGIX", (__GLXextFuncPtr) glXSelectEventSGIX },
1269 { "glXGetSelectedEventSGIX", (__GLXextFuncPtr) glXGetSelectedEventSGIX },
1270
1271 /*** GLX_SGI_cushion ***/
1272 { "glXCushionSGI", (__GLXextFuncPtr) glXCushionSGI },
1273
1274 /*** GLX_SGIX_video_resize ***/
1275 { "glXBindChannelToWindowSGIX", (__GLXextFuncPtr) glXBindChannelToWindowSGIX },
1276 { "glXChannelRectSGIX", (__GLXextFuncPtr) glXChannelRectSGIX },
1277 { "glXQueryChannelRectSGIX", (__GLXextFuncPtr) glXQueryChannelRectSGIX },
1278 { "glXQueryChannelDeltasSGIX", (__GLXextFuncPtr) glXQueryChannelDeltasSGIX },
1279 { "glXChannelRectSyncSGIX", (__GLXextFuncPtr) glXChannelRectSyncSGIX },
1280
1281 /*** GLX_SGIX_dmbuffer **/
1282 #if defined(_DM_BUFFER_H_)
1283 { "glXAssociateDMPbufferSGIX", (__GLXextFuncPtr) glXAssociateDMPbufferSGIX },
1284 #endif
1285
1286 /*** GLX_SGIX_swap_group ***/
1287 { "glXJoinSwapGroupSGIX", (__GLXextFuncPtr) glXJoinSwapGroupSGIX },
1288
1289 /*** GLX_SGIX_swap_barrier ***/
1290 { "glXBindSwapBarrierSGIX", (__GLXextFuncPtr) glXBindSwapBarrierSGIX },
1291 { "glXQueryMaxSwapBarriersSGIX", (__GLXextFuncPtr) glXQueryMaxSwapBarriersSGIX },
1292
1293 /*** GLX_SUN_get_transparent_index ***/
1294 { "glXGetTransparentIndexSUN", (__GLXextFuncPtr) glXGetTransparentIndexSUN },
1295
1296 /*** GLX_MESA_copy_sub_buffer ***/
1297 { "glXCopySubBufferMESA", (__GLXextFuncPtr) glXCopySubBufferMESA },
1298
1299 /*** GLX_MESA_pixmap_colormap ***/
1300 { "glXCreateGLXPixmapMESA", (__GLXextFuncPtr) glXCreateGLXPixmapMESA },
1301
1302 /*** GLX_MESA_release_buffers ***/
1303 { "glXReleaseBuffersMESA", (__GLXextFuncPtr) glXReleaseBuffersMESA },
1304
1305 /*** GLX_MESA_set_3dfx_mode ***/
1306 { "glXSet3DfxModeMESA", (__GLXextFuncPtr) glXSet3DfxModeMESA },
1307
1308 /*** GLX_ARB_get_proc_address ***/
1309 { "glXGetProcAddressARB", (__GLXextFuncPtr) glXGetProcAddressARB },
1310
1311 /*** GLX_NV_vertex_array_range ***/
1312 { "glXAllocateMemoryNV", (__GLXextFuncPtr) glXAllocateMemoryNV },
1313 { "glXFreeMemoryNV", (__GLXextFuncPtr) glXFreeMemoryNV },
1314
1315 /*** GLX_MESA_agp_offset ***/
1316 { "glXGetAGPOffsetMESA", (__GLXextFuncPtr) glXGetAGPOffsetMESA },
1317
1318 /*** GLX_EXT_texture_from_pixmap ***/
1319 { "glXBindTexImageEXT", (__GLXextFuncPtr) glXBindTexImageEXT },
1320 { "glXReleaseTexImageEXT", (__GLXextFuncPtr) glXReleaseTexImageEXT },
1321
1322 /*** GLX_ARB_create_context ***/
1323 { "glXCreateContextAttribsARB", (__GLXextFuncPtr) glXCreateContextAttribsARB },
1324
1325 { NULL, NULL } /* end of list */
1326 };
1327
1328
1329
1330 /*
1331 * Return address of named glX function, or NULL if not found.
1332 */
1333 __GLXextFuncPtr
_glxapi_get_proc_address(const char * funcName)1334 _glxapi_get_proc_address(const char *funcName)
1335 {
1336 GLuint i;
1337 for (i = 0; GLX_functions[i].Name; i++) {
1338 #ifdef MANGLE
1339 /* skip the "m" prefix on the name */
1340 if (strcmp(GLX_functions[i].Name, funcName+1) == 0)
1341 #else
1342 if (strcmp(GLX_functions[i].Name, funcName) == 0)
1343 #endif
1344 return GLX_functions[i].Address;
1345 }
1346 return NULL;
1347 }
1348
1349
1350
1351 /*
1352 * This function does not get dispatched through the dispatch table
1353 * since it's really a "meta" function.
1354 */
1355 __GLXextFuncPtr PUBLIC
glXGetProcAddressARB(const GLubyte * procName)1356 glXGetProcAddressARB(const GLubyte *procName)
1357 {
1358 __GLXextFuncPtr f;
1359
1360 f = _glxapi_get_proc_address((const char *) procName);
1361 if (f) {
1362 return f;
1363 }
1364
1365 f = (__GLXextFuncPtr) _glapi_get_proc_address((const char *) procName);
1366 return f;
1367 }
1368
1369
1370 /* GLX 1.4 */
1371 void PUBLIC
glXGetProcAddress(const GLubyte * procName)1372 (*glXGetProcAddress(const GLubyte *procName))()
1373 {
1374 return glXGetProcAddressARB(procName);
1375 }
1376
1377
1378 /**
1379 * Added in GLX_ARB_create_context.
1380 */
1381 GLXContext PUBLIC
glXCreateContextAttribsARB(Display * dpy,GLXFBConfig config,GLXContext share_context,Bool direct,const int * attrib_list)1382 glXCreateContextAttribsARB(Display *dpy, GLXFBConfig config,
1383 GLXContext share_context, Bool direct,
1384 const int *attrib_list)
1385 {
1386 struct _glxapi_table *t;
1387 GET_DISPATCH(dpy, t);
1388 if (!t)
1389 return 0;
1390 return t->CreateContextAttribs(dpy, config, share_context, direct,
1391 attrib_list);
1392 }
1393