aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/glx/glxcmdsswap.c
blob: f053b1ad5c2a6a0c35f9db7cc5b403acaae36542 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of Silicon Graphics, Inc.
 * shall not be used in advertising or otherwise to promote the sale, use or
 * other dealings in this Software without prior written authorization from
 * Silicon Graphics, Inc.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#else

#include "glheader.h"

#endif

#include <string.h>
#include "glxserver.h"
#include "glxutil.h"
#include <GL/glxtokens.h>
#include <unpack.h>
#include <pixmapstr.h>
#include <windowstr.h>
#include "glxext.h"
#include "GL/gl.h"
#include "glapitable.h"
#include "glapi.h"
#include "glthread.h"
#include "dispatch.h"
#include "indirect_dispatch.h"
#include "indirect_table.h"
#include "indirect_util.h"


/************************************************************************/

/*
** Byteswapping versions of GLX commands.  In most cases they just swap
** the incoming arguments and then call the unswapped routine.  For commands
** that have replies, a separate swapping routine for the reply is provided;
** it is called at the end of the unswapped routine.
*/

int __glXDispSwap_CreateContext(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateContextReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->visual);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->shareList);

    return __glXDisp_CreateContext(cl, pc);
}

int __glXDispSwap_CreateNewContext(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateNewContextReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->renderType);
    __GLX_SWAP_INT(&req->shareList);

    return __glXDisp_CreateNewContext(cl, pc);
}

int __glXDispSwap_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateContextWithConfigSGIXReq *req =
	(xGLXCreateContextWithConfigSGIXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->renderType);
    __GLX_SWAP_INT(&req->shareList);

    return __glXDisp_CreateContextWithConfigSGIX(cl, pc);
}

int __glXDispSwap_DestroyContext(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyContextReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);

    return __glXDisp_DestroyContext(cl, pc);
}

int __glXDispSwap_MakeCurrent(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXMakeCurrentReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->drawable);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->oldContextTag);

    return __glXDisp_MakeCurrent(cl, pc);
}

int __glXDispSwap_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->drawable);
    __GLX_SWAP_INT(&req->readdrawable);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->oldContextTag);

    return __glXDisp_MakeContextCurrent(cl, pc);
}

int __glXDispSwap_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->drawable);
    __GLX_SWAP_INT(&req->readable);
    __GLX_SWAP_INT(&req->context);
    __GLX_SWAP_INT(&req->oldContextTag);

    return __glXDisp_MakeCurrentReadSGI(cl, pc);
}

int __glXDispSwap_IsDirect(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXIsDirectReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);

    return __glXDisp_IsDirect(cl, pc);
}

int __glXDispSwap_QueryVersion(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXQueryVersionReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->majorVersion);
    __GLX_SWAP_INT(&req->minorVersion);

    return __glXDisp_QueryVersion(cl, pc);
}

int __glXDispSwap_WaitGL(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXWaitGLReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);

    return __glXDisp_WaitGL(cl, pc);
}

int __glXDispSwap_WaitX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXWaitXReq *req = (xGLXWaitXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXWaitXReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);

    return __glXDisp_WaitX(cl, pc);
}

int __glXDispSwap_CopyContext(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCopyContextReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->source);
    __GLX_SWAP_INT(&req->dest);
    __GLX_SWAP_INT(&req->mask);

    return __glXDisp_CopyContext(cl, pc);
}

int __glXDispSwap_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq);

    __GLX_SWAP_INT(&req->screen);
    return __glXDisp_GetVisualConfigs(cl, pc);
}

int __glXDispSwap_GetFBConfigs(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq);

    __GLX_SWAP_INT(&req->screen);
    return __glXDisp_GetFBConfigs(cl, pc);
}

int __glXDispSwap_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXGetFBConfigsSGIXReq);

    __GLX_SWAP_INT(&req->screen);
    return __glXDisp_GetFBConfigsSGIX(cl, pc);
}

int __glXDispSwap_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->visual);
    __GLX_SWAP_INT(&req->pixmap);
    __GLX_SWAP_INT(&req->glxpixmap);

    return __glXDisp_CreateGLXPixmap(cl, pc);
}

int __glXDispSwap_CreatePixmap(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
    CARD32 *attribs;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;

    REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->pixmap);
    __GLX_SWAP_INT(&req->glxpixmap);
    __GLX_SWAP_INT(&req->numAttribs);

    if (req->numAttribs > (UINT32_MAX >> 3)) {
	client->errorValue = req->numAttribs;
	return BadValue;
    }
    REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3);
    attribs = (CARD32*)(req + 1);
    __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1);

    return __glXDisp_CreatePixmap(cl, pc);
}

int __glXDispSwap_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateGLXPixmapWithConfigSGIXReq *req = 
	(xGLXCreateGLXPixmapWithConfigSGIXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->pixmap);
    __GLX_SWAP_INT(&req->glxpixmap);

    return __glXDisp_CreateGLXPixmapWithConfigSGIX(cl, pc);
}

int __glXDispSwap_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->glxpixmap);

    return __glXDisp_DestroyGLXPixmap(cl, pc);
}

int __glXDispSwap_DestroyPixmap(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->glxpixmap);

    return __glXDisp_DestroyGLXPixmap(cl, pc);
}

int __glXDispSwap_QueryContext(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc;    
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXQueryContextReq);

    __GLX_SWAP_INT(&req->context);

    return __glXDisp_QueryContext(cl, pc);
}

int __glXDispSwap_CreatePbuffer(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc;    
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    CARD32 *attribs;

    REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq);

    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->pbuffer);
    __GLX_SWAP_INT(&req->numAttribs);

    if (req->numAttribs > (UINT32_MAX >> 3)) {
	client->errorValue = req->numAttribs;
	return BadValue;
    }
    REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3);
    attribs = (CARD32*)(req + 1);
    __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1);

    return __glXDisp_CreatePbuffer(cl, pc);
}

int __glXDispSwap_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc;    
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXCreateGLXPbufferSGIXReq);

    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->pbuffer);
    __GLX_SWAP_INT(&req->width);
    __GLX_SWAP_INT(&req->height);

    return __glXDisp_CreateGLXPbufferSGIX(cl, pc);
}

int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq);

    __GLX_SWAP_INT(&req->pbuffer);

    return __glXDisp_DestroyPbuffer(cl, pc);
}

int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq);

    __GLX_SWAP_INT(&req->pbuffer);

    return __glXDisp_DestroyGLXPbufferSGIX(cl, pc);
}

int __glXDispSwap_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXChangeDrawableAttributesReq *req =
	(xGLXChangeDrawableAttributesReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    CARD32 *attribs;

    REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq);

    __GLX_SWAP_INT(&req->drawable);
    __GLX_SWAP_INT(&req->numAttribs);

    if (req->numAttribs > (UINT32_MAX >> 3)) {
	client->errorValue = req->numAttribs;
	return BadValue;
    }
    REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3);
    attribs = (CARD32*)(req + 1);
    __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1);

    return __glXDisp_ChangeDrawableAttributes(cl, pc);
}

int __glXDispSwap_ChangeDrawableAttributesSGIX(__GLXclientState *cl,
					       GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXChangeDrawableAttributesSGIXReq *req =
	(xGLXChangeDrawableAttributesSGIXReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    CARD32 *attribs;

    REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq);

    __GLX_SWAP_INT(&req->drawable);
    __GLX_SWAP_INT(&req->numAttribs);

    if (req->numAttribs > (UINT32_MAX >> 3)) {
	client->errorValue = req->numAttribs;
	return BadValue;
    }
    REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq, req->numAttribs << 3);
    attribs = (CARD32*)(req + 1);
    __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1);

    return __glXDisp_ChangeDrawableAttributesSGIX(cl, pc);
}

int __glXDispSwap_CreateWindow(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    CARD32 *attribs;

    REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq);

    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->fbconfig);
    __GLX_SWAP_INT(&req->window);
    __GLX_SWAP_INT(&req->glxwindow);
    __GLX_SWAP_INT(&req->numAttribs);

    if (req->numAttribs > (UINT32_MAX >> 3)) {
	client->errorValue = req->numAttribs;
	return BadValue;
    }
    REQUEST_FIXED_SIZE(xGLXCreateWindowReq, req->numAttribs << 3);
    attribs = (CARD32*)(req + 1);
    __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1);

    return __glXDisp_CreateWindow(cl, pc);
}

int __glXDispSwap_DestroyWindow(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXDestroyWindowReq);

    __GLX_SWAP_INT(&req->glxwindow);

    return __glXDisp_DestroyWindow(cl, pc);
}

int __glXDispSwap_SwapBuffers(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXSwapBuffersReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(&req->drawable);

    return __glXDisp_SwapBuffers(cl, pc);
}

int __glXDispSwap_UseXFont(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXUseXFontReq *req = (xGLXUseXFontReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXUseXFontReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(&req->font);
    __GLX_SWAP_INT(&req->first);
    __GLX_SWAP_INT(&req->count);
    __GLX_SWAP_INT(&req->listBase);

    return __glXDisp_UseXFont(cl, pc);
}


int __glXDispSwap_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *)pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->screen);

    return __glXDisp_QueryExtensionsString(cl, pc);
}

int __glXDispSwap_QueryServerString(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *)pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXQueryServerStringReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->screen);
    __GLX_SWAP_INT(&req->name);

    return __glXDisp_QueryServerString(cl, pc);
}

int __glXDispSwap_ClientInfo(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXClientInfoReq *req = (xGLXClientInfoReq *)pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->major);
    __GLX_SWAP_INT(&req->minor);
    __GLX_SWAP_INT(&req->numbytes);

    return __glXDisp_ClientInfo(cl, pc);
}

int __glXDispSwap_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->context);

    return __glXDisp_QueryContextInfoEXT(cl, pc);
}

int __glXDispSwap_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
    GLXDrawable		 *drawId;
    int			 *buffer;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8);

    pc += __GLX_VENDPRIV_HDR_SIZE;

    drawId = ((GLXDrawable *) (pc));
    buffer = ((int *)	      (pc + 4));
    
    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(drawId);
    __GLX_SWAP_INT(buffer);

    return __glXDisp_BindTexImageEXT(cl, (GLbyte *)pc);
}

int __glXDispSwap_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
    GLXDrawable		 *drawId;
    int			 *buffer;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8);

    pc += __GLX_VENDPRIV_HDR_SIZE;

    drawId = ((GLXDrawable *) (pc));
    buffer = ((int *)	      (pc + 4));
    
    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(drawId);
    __GLX_SWAP_INT(buffer);

    return __glXDisp_ReleaseTexImageEXT(cl, (GLbyte *)pc);
}

int __glXDispSwap_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
    GLXDrawable		 *drawId;
    int			 *buffer;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 20);

    (void) drawId;
    (void) buffer;

    pc += __GLX_VENDPRIV_HDR_SIZE;

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(pc);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);
    __GLX_SWAP_INT(pc + 12);
    __GLX_SWAP_INT(pc + 16);

    return __glXDisp_CopySubBufferMESA(cl, pc);

}

int __glXDispSwap_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXVendorPrivateWithReplyReq *req = (xGLXVendorPrivateWithReplyReq *)pc;
    CARD32 *data;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq);

    data = (CARD32 *) (req + 1);
    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->contextTag);
    __GLX_SWAP_INT(data);

    return __glXDisp_GetDrawableAttributesSGIX(cl, pc);
}

int __glXDispSwap_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
{
    ClientPtr client = cl->client;
    xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
    __GLX_DECLARE_SWAP_VARIABLES;

    REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesReq);

    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->drawable);

    return __glXDisp_GetDrawableAttributes(cl, pc);
}


/************************************************************************/

/*
** Swap replies.
*/

void __glXSwapMakeCurrentReply(ClientPtr client, xGLXMakeCurrentReply *reply)
{
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->contextTag);
    WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)reply);
}

void __glXSwapIsDirectReply(ClientPtr client, xGLXIsDirectReply *reply)
{
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    WriteToClient(client, sz_xGLXIsDirectReply, (char *)reply);
}

void __glXSwapQueryVersionReply(ClientPtr client, xGLXQueryVersionReply *reply)
{
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->majorVersion);
    __GLX_SWAP_INT(&reply->minorVersion);
    WriteToClient(client, sz_xGLXQueryVersionReply, (char *)reply);
}

void glxSwapQueryExtensionsStringReply(ClientPtr client,
				       xGLXQueryExtensionsStringReply *reply, char *buf)
{
    int length = reply->length;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->n);
    WriteToClient(client, sz_xGLXQueryExtensionsStringReply, (char *)reply);
    __GLX_SWAP_INT_ARRAY((int *)buf, length);
    WriteToClient(client, length << 2, buf);
}

void glxSwapQueryServerStringReply(ClientPtr client,
				   xGLXQueryServerStringReply *reply, char *buf)
{
    int length = reply->length;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->n);
    WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)reply);
    /** no swap is needed for an array of chars **/
    /* __GLX_SWAP_INT_ARRAY((int *)buf, length); */
    WriteToClient(client, length << 2, buf);
}

void __glXSwapQueryContextInfoEXTReply(ClientPtr client, xGLXQueryContextInfoEXTReply *reply, int *buf)
{
    int length = reply->length;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->n);
    WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)reply);
    __GLX_SWAP_INT_ARRAY((int *)buf, length);
    WriteToClient(client, length << 2, (char *)buf);
}

void __glXSwapGetDrawableAttributesReply(ClientPtr client,
					 xGLXGetDrawableAttributesReply *reply, CARD32 *buf)
{
    int length = reply->length;
    __GLX_DECLARE_SWAP_VARIABLES;
    __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
    __GLX_SWAP_SHORT(&reply->sequenceNumber);
    __GLX_SWAP_INT(&reply->length);
    __GLX_SWAP_INT(&reply->numAttribs);
    WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)reply);
    __GLX_SWAP_INT_ARRAY((int *)buf, length);
    WriteToClient(client, length << 2, (char *)buf);
}

/************************************************************************/

/*
** Render and Renderlarge are not in the GLX API.  They are used by the GLX
** client library to send batches of GL rendering commands.
*/

int __glXDispSwap_Render(__GLXclientState *cl, GLbyte *pc)
{
    return __glXDisp_Render(cl, pc);
}

/*
** Execute a large rendering request (one that spans multiple X requests).
*/
int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc)
{
    return __glXDisp_RenderLarge(cl, pc);
}

/************************************************************************/

/*
** No support is provided for the vendor-private requests other than
** allocating these entry points in the dispatch table.
*/

int __glXDispSwap_VendorPrivate(__GLXclientState *cl, GLbyte *pc)
{
    xGLXVendorPrivateReq *req;
    GLint vendorcode;
    __GLXdispatchVendorPrivProcPtr proc;

    __GLX_DECLARE_SWAP_VARIABLES;

    req = (xGLXVendorPrivateReq *) pc;
    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->vendorCode);

    vendorcode = req->vendorCode;

    proc = (__GLXdispatchVendorPrivProcPtr)
      __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
				     vendorcode, 1);
    if (proc != NULL) {
	(*proc)(cl, (GLbyte*)req);
	return Success;
    }

    cl->client->errorValue = req->vendorCode;
    return __glXError(GLXUnsupportedPrivateRequest);
}


int __glXDispSwap_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
{
    xGLXVendorPrivateWithReplyReq *req;
    GLint vendorcode;
    __GLXdispatchVendorPrivProcPtr proc;

    __GLX_DECLARE_SWAP_VARIABLES;

    req = (xGLXVendorPrivateWithReplyReq *) pc;
    __GLX_SWAP_SHORT(&req->length);
    __GLX_SWAP_INT(&req->vendorCode);

    vendorcode = req->vendorCode;

    proc = (__GLXdispatchVendorPrivProcPtr)
      __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
				     vendorcode, 1);
    if (proc != NULL) {
	return (*proc)(cl, (GLbyte*)req);
    }

    cl->client->errorValue = req->vendorCode;
    return __glXError(GLXUnsupportedPrivateRequest);
}