forked from baldurk/renderdoc
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathgl_resources.cpp
More file actions
1099 lines (1029 loc) · 33.2 KB
/
gl_resources.cpp
File metadata and controls
1099 lines (1029 loc) · 33.2 KB
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
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015-2017 Baldur Karlsson
* Copyright (c) 2014 Crytek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS 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.
******************************************************************************/
#include "gl_resources.h"
#include "gl_hookset.h"
byte GLResourceRecord::markerValue[32] = {
0xaa, 0xbb, 0xcc, 0xdd, 0x88, 0x77, 0x66, 0x55, 0x01, 0x23, 0x45, 0x67, 0x98, 0x76, 0x54, 0x32,
};
size_t GetCompressedByteSize(GLsizei w, GLsizei h, GLsizei d, GLenum internalformat)
{
if(!IsCompressedFormat(internalformat))
{
RDCERR("Not compressed format %s", ToStr::Get(internalformat).c_str());
return GetByteSize(w, h, d, GetBaseFormat(internalformat), GetDataType(internalformat));
}
uint32_t astc[2] = {0, 0};
switch(internalformat)
{
// BC1
case eGL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case eGL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
return (AlignUp4(w) * AlignUp4(h) * d) / 2;
// BC2
case eGL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
return (AlignUp4(w) * AlignUp4(h) * d);
// BC3
case eGL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
return (AlignUp4(w) * AlignUp4(h) * d);
// BC4
case eGL_COMPRESSED_RED_RGTC1:
case eGL_COMPRESSED_SIGNED_RED_RGTC1:
return (AlignUp4(w) * AlignUp4(h) * d) / 2;
// BC5
case eGL_COMPRESSED_RG_RGTC2:
case eGL_COMPRESSED_SIGNED_RG_RGTC2:
return (AlignUp4(w) * AlignUp4(h) * d);
// BC6
case eGL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
case eGL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
return (AlignUp4(w) * AlignUp4(h) * d);
// BC7
case eGL_COMPRESSED_RGBA_BPTC_UNORM_ARB:
case eGL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB:
return (AlignUp4(w) * AlignUp4(h) * d);
// ETC1
case eGL_ETC1_RGB8_OES:
// ETC2
case eGL_COMPRESSED_RGB8_ETC2:
case eGL_COMPRESSED_SRGB8_ETC2:
case eGL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case eGL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return (AlignUp4(w) * AlignUp4(h) * d) / 2;
// EAC
case eGL_COMPRESSED_RGBA8_ETC2_EAC:
case eGL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: return (AlignUp4(w) * AlignUp4(h) * d);
case eGL_COMPRESSED_R11_EAC:
case eGL_COMPRESSED_SIGNED_R11_EAC: return (AlignUp4(w) * AlignUp4(h) * d) / 2;
case eGL_COMPRESSED_RG11_EAC:
case eGL_COMPRESSED_SIGNED_RG11_EAC: return (AlignUp4(w) * AlignUp4(h) * d);
case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
astc[0] = 4;
astc[1] = 4;
break;
case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
astc[0] = 5;
astc[1] = 4;
break;
case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
astc[0] = 5;
astc[1] = 5;
break;
case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
astc[0] = 6;
astc[1] = 5;
break;
case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
astc[0] = 6;
astc[1] = 6;
break;
case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
astc[0] = 8;
astc[1] = 5;
break;
case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
astc[0] = 8;
astc[1] = 6;
break;
case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
astc[0] = 8;
astc[1] = 8;
break;
case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
astc[0] = 10;
astc[1] = 5;
break;
case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
astc[0] = 10;
astc[1] = 6;
break;
case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
astc[0] = 10;
astc[1] = 8;
break;
case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
astc[0] = 10;
astc[1] = 10;
break;
case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
astc[0] = 12;
astc[1] = 10;
break;
case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
astc[0] = 12;
astc[1] = 12;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
astc[0] = 4;
astc[1] = 4;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
astc[0] = 5;
astc[1] = 4;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
astc[0] = 5;
astc[1] = 5;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
astc[0] = 6;
astc[1] = 5;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
astc[0] = 6;
astc[1] = 6;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
astc[0] = 8;
astc[1] = 5;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
astc[0] = 8;
astc[1] = 6;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
astc[0] = 8;
astc[1] = 8;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
astc[0] = 10;
astc[1] = 5;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
astc[0] = 10;
astc[1] = 6;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
astc[0] = 10;
astc[1] = 8;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
astc[0] = 10;
astc[1] = 10;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
astc[0] = 12;
astc[1] = 10;
break;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
astc[0] = 12;
astc[1] = 12;
break;
default: break;
}
if(astc[0] > 0 && astc[1] > 0)
{
uint32_t blocks[2] = {(w / astc[0]), (h / astc[1])};
// how many blocks are needed - including any extra partial blocks
blocks[0] += (w % astc[0]) ? 1 : 0;
blocks[1] += (h % astc[1]) ? 1 : 0;
// ASTC blocks are all 128 bits each
return blocks[0] * blocks[1] * 16 * d;
}
RDCERR("Unrecognised compressed format %s", ToStr::Get(internalformat).c_str());
return GetByteSize(w, h, d, GetBaseFormat(internalformat), GetDataType(internalformat));
}
size_t GetByteSize(GLsizei w, GLsizei h, GLsizei d, GLenum format, GLenum type)
{
size_t elemSize = 1;
switch(type)
{
case eGL_UNSIGNED_BYTE:
case eGL_BYTE: elemSize = 1; break;
case eGL_UNSIGNED_SHORT:
case eGL_SHORT:
case eGL_HALF_FLOAT_OES:
case eGL_HALF_FLOAT: elemSize = 2; break;
case eGL_UNSIGNED_INT:
case eGL_INT:
case eGL_FLOAT: elemSize = 4; break;
case eGL_DOUBLE: elemSize = 8; break;
case eGL_UNSIGNED_BYTE_3_3_2:
case eGL_UNSIGNED_BYTE_2_3_3_REV: return w * h * d;
case eGL_UNSIGNED_SHORT_5_6_5:
case eGL_UNSIGNED_SHORT_5_6_5_REV:
case eGL_UNSIGNED_SHORT_4_4_4_4:
case eGL_UNSIGNED_SHORT_4_4_4_4_REV:
case eGL_UNSIGNED_SHORT_5_5_5_1:
case eGL_UNSIGNED_SHORT_1_5_5_5_REV: return w * h * d * 2;
case eGL_UNSIGNED_INT_8_8_8_8:
case eGL_UNSIGNED_INT_8_8_8_8_REV:
case eGL_UNSIGNED_INT_10_10_10_2:
case eGL_UNSIGNED_INT_2_10_10_10_REV:
case eGL_INT_2_10_10_10_REV:
case eGL_UNSIGNED_INT_10F_11F_11F_REV:
case eGL_UNSIGNED_INT_5_9_9_9_REV: return w * h * d * 4;
case eGL_DEPTH_COMPONENT16: return w * h * d * 2;
case eGL_DEPTH_COMPONENT24:
case eGL_DEPTH24_STENCIL8:
case eGL_DEPTH_COMPONENT32:
case eGL_DEPTH_COMPONENT32F:
case eGL_UNSIGNED_INT_24_8: return w * h * d * 4;
case eGL_DEPTH32F_STENCIL8:
case eGL_FLOAT_32_UNSIGNED_INT_24_8_REV: return w * h * d * 8;
default: RDCERR("Unhandled Byte Size type %s!", ToStr::Get(type).c_str()); break;
}
switch((int)format)
{
case eGL_RED:
case eGL_RED_INTEGER:
case eGL_GREEN:
case eGL_GREEN_INTEGER:
case eGL_BLUE:
case eGL_BLUE_INTEGER:
case eGL_LUMINANCE:
case eGL_ALPHA:
case eGL_DEPTH_COMPONENT:
case eGL_STENCIL_INDEX:
case eGL_STENCIL: return w * h * d * elemSize;
case eGL_RG:
case eGL_RG_INTEGER:
case eGL_LUMINANCE_ALPHA:
case eGL_DEPTH_STENCIL: return w * h * d * elemSize * 2;
case eGL_RGB:
case eGL_RGB_INTEGER:
case eGL_BGR:
case eGL_BGR_INTEGER: return w * h * d * elemSize * 3;
case eGL_RGBA:
case eGL_RGBA_INTEGER:
case eGL_BGRA:
case eGL_BGRA_INTEGER: return w * h * d * elemSize * 4;
default: RDCERR("Unhandled Byte Size format %s!", ToStr::Get(type).c_str()); break;
}
RDCERR("Unhandled Byte Size case!");
return 1;
}
GLenum GetBaseFormat(GLenum internalFormat)
{
switch((int)internalFormat)
{
case eGL_R8:
case eGL_R8_SNORM:
case eGL_R16:
case eGL_R16_SNORM:
case eGL_R16F:
case eGL_R32F:
case eGL_RED: return eGL_RED;
case eGL_ALPHA:
case eGL_ALPHA8_EXT: return eGL_ALPHA;
case eGL_LUMINANCE: return eGL_LUMINANCE;
case eGL_LUMINANCE_ALPHA: return eGL_LUMINANCE_ALPHA;
case eGL_INTENSITY: return eGL_INTENSITY;
case eGL_R8I:
case eGL_R16I:
case eGL_R32I:
case eGL_R32UI:
case eGL_R16UI:
case eGL_R8UI: return eGL_RED_INTEGER;
case eGL_RG8:
case eGL_RG8_SNORM:
case eGL_RG16:
case eGL_RG16_SNORM:
case eGL_RG16F:
case eGL_RG32F:
case eGL_RG: return eGL_RG;
case eGL_RG8I:
case eGL_RG8UI:
case eGL_RG16I:
case eGL_RG16UI:
case eGL_RG32I:
case eGL_RG32UI: return eGL_RG_INTEGER;
case eGL_R3_G3_B2:
case eGL_RGB4:
case eGL_RGB5:
case eGL_RGB565:
case eGL_RGB8:
case eGL_RGB8_SNORM:
case eGL_RGB10:
case eGL_RGB12:
case eGL_RGB16:
case eGL_RGB16_SNORM:
case eGL_SRGB8:
case eGL_RGB16F:
case eGL_RGB32F:
case eGL_R11F_G11F_B10F:
case eGL_RGB9_E5:
case eGL_RGB: return eGL_RGB;
case eGL_RGB8I:
case eGL_RGB8UI:
case eGL_RGB16I:
case eGL_RGB16UI:
case eGL_RGB32I:
case eGL_RGB32UI: return eGL_RGB_INTEGER;
case eGL_RGBA2:
case eGL_RGBA4:
case eGL_RGB5_A1:
case eGL_RGBA8:
case eGL_RGBA8_SNORM:
case eGL_RGB10_A2:
case eGL_RGBA12:
case eGL_RGBA16:
case eGL_RGBA16_SNORM:
case eGL_SRGB8_ALPHA8:
case eGL_RGBA16F:
case eGL_RGBA32F:
case eGL_RGBA: return eGL_RGBA;
case eGL_RGB10_A2UI:
case eGL_RGBA8I:
case eGL_RGBA8UI:
case eGL_RGBA16I:
case eGL_RGBA16UI:
case eGL_RGBA32UI:
case eGL_RGBA32I: return eGL_RGBA_INTEGER;
case eGL_BGRA:
case eGL_BGRA8_EXT: return eGL_BGRA;
case eGL_DEPTH_COMPONENT16:
case eGL_DEPTH_COMPONENT24:
case eGL_DEPTH_COMPONENT32:
case eGL_DEPTH_COMPONENT32F: return eGL_DEPTH_COMPONENT;
case eGL_DEPTH24_STENCIL8:
case eGL_DEPTH32F_STENCIL8: return eGL_DEPTH_STENCIL;
case eGL_STENCIL_INDEX1:
case eGL_STENCIL_INDEX4:
case eGL_STENCIL_INDEX8:
case eGL_STENCIL_INDEX16: return eGL_STENCIL;
default: break;
}
RDCERR("Unhandled Base Format case %s!", ToStr::Get(internalFormat).c_str());
return eGL_NONE;
}
GLenum GetDataType(GLenum internalFormat)
{
switch((int)internalFormat)
{
case eGL_RGBA8UI:
case eGL_RG8UI:
case eGL_R8UI:
case eGL_RGBA8:
case eGL_RG8:
case eGL_R8:
case eGL_RGB8:
case eGL_RGB8UI:
case eGL_BGRA:
case eGL_BGRA8_EXT:
case eGL_SRGB8_ALPHA8:
case eGL_SRGB8:
case eGL_RED:
case eGL_RG:
case eGL_RGB:
case eGL_RGBA: return eGL_UNSIGNED_BYTE;
case eGL_RGBA8I:
case eGL_RG8I:
case eGL_R8I:
case eGL_RGBA8_SNORM:
case eGL_RG8_SNORM:
case eGL_R8_SNORM:
case eGL_RGB8_SNORM:
case eGL_RGB8I: return eGL_BYTE;
case eGL_RGBA16UI:
case eGL_RG16UI:
case eGL_R16UI:
case eGL_RGBA16:
case eGL_RG16:
case eGL_R16:
case eGL_RGB16:
case eGL_RGB16UI:
case eGL_DEPTH_COMPONENT16: return eGL_UNSIGNED_SHORT;
case eGL_RGBA16I:
case eGL_RG16I:
case eGL_R16I:
case eGL_RGBA16_SNORM:
case eGL_RG16_SNORM:
case eGL_R16_SNORM:
case eGL_RGB16_SNORM:
case eGL_RGB16I: return eGL_SHORT;
case eGL_RGBA32UI:
case eGL_RG32UI:
case eGL_R32UI:
case eGL_RGB32UI:
case eGL_DEPTH_COMPONENT24:
case eGL_DEPTH_COMPONENT32: return eGL_UNSIGNED_INT;
case eGL_RGBA32I:
case eGL_RG32I:
case eGL_R32I:
case eGL_RGB32I: return eGL_INT;
case eGL_RGBA16F:
case eGL_RG16F:
case eGL_RGB16F:
case eGL_R16F: return eGL_HALF_FLOAT;
case eGL_RGBA32F:
case eGL_RGB32F:
case eGL_RG32F:
case eGL_R32F:
case eGL_DEPTH_COMPONENT32F: return eGL_FLOAT;
case eGL_R11F_G11F_B10F: return eGL_UNSIGNED_INT_10F_11F_11F_REV;
case eGL_RGB10_A2UI: return eGL_INT_2_10_10_10_REV;
case eGL_RGB10_A2: return eGL_UNSIGNED_INT_2_10_10_10_REV;
case eGL_R3_G3_B2: return eGL_UNSIGNED_BYTE_3_3_2;
case eGL_RGB4:
case eGL_RGBA4: return eGL_UNSIGNED_SHORT_4_4_4_4;
case eGL_RGB5_A1: return eGL_UNSIGNED_SHORT_5_5_5_1;
case eGL_RGB565:
case eGL_RGB5: return eGL_UNSIGNED_SHORT_5_6_5;
case eGL_RGB10: return eGL_UNSIGNED_INT_10_10_10_2;
case eGL_RGB9_E5: return eGL_UNSIGNED_INT_5_9_9_9_REV;
case eGL_DEPTH24_STENCIL8: return eGL_UNSIGNED_INT_24_8;
case eGL_DEPTH32F_STENCIL8: return eGL_FLOAT_32_UNSIGNED_INT_24_8_REV;
case eGL_STENCIL_INDEX8: return eGL_UNSIGNED_BYTE;
case eGL_ALPHA:
case eGL_ALPHA8_EXT:
case eGL_LUMINANCE_ALPHA:
case eGL_LUMINANCE:
case eGL_INTENSITY: return eGL_UNSIGNED_BYTE;
default: break;
}
RDCERR("Unhandled Data Type case %s!", ToStr::Get(internalFormat).c_str());
return eGL_NONE;
}
int GetNumMips(const GLHookSet &gl, GLenum target, GLuint tex, GLuint w, GLuint h, GLuint d)
{
int mips = 1;
GLint immut = 0;
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_IMMUTABLE_FORMAT, &immut);
if(immut)
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_IMMUTABLE_LEVELS, (GLint *)&mips);
else
mips = CalcNumMips(w, h, d);
GLint maxLevel = 1000;
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_MAX_LEVEL, &maxLevel);
mips = RDCMIN(mips, maxLevel + 1);
if(immut == 0)
{
// check to see if all mips are set, or clip the number of mips to those that are
// set.
if(target == eGL_TEXTURE_CUBE_MAP)
target = eGL_TEXTURE_CUBE_MAP_POSITIVE_X;
for(int i = 0; i < mips; i++)
{
GLint width = 0;
gl.glGetTextureLevelParameterivEXT(tex, target, i, eGL_TEXTURE_WIDTH, &width);
if(width == 0)
{
mips = i;
break;
}
}
}
return RDCMAX(1, mips);
}
GLenum GetSizedFormat(const GLHookSet &gl, GLenum target, GLenum internalFormat, GLenum type)
{
switch(type)
{
// some types imply a sized internalFormat
case eGL_UNSIGNED_SHORT_5_6_5: return eGL_RGB565;
case eGL_UNSIGNED_SHORT_4_4_4_4: return eGL_RGBA4;
case eGL_UNSIGNED_SHORT_5_5_5_1: return eGL_RGB5_A1;
default: break;
}
switch(internalFormat)
{
// pick sized format ourselves for generic formats
case eGL_COMPRESSED_RED: return eGL_COMPRESSED_RED_RGTC1;
case eGL_COMPRESSED_RG: return eGL_COMPRESSED_RG_RGTC2;
case eGL_COMPRESSED_RGB: return eGL_COMPRESSED_RGB_S3TC_DXT1_EXT;
case eGL_COMPRESSED_RGBA: return eGL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
case eGL_COMPRESSED_SRGB: return eGL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
case eGL_COMPRESSED_SRGB_ALPHA:
return eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
// only one sized format for SRGB
case eGL_SRGB: return eGL_SRGB8;
case eGL_SRGB_ALPHA: return eGL_SRGB8_ALPHA8;
case eGL_RED:
case eGL_RG:
case eGL_RGB:
case eGL_RGBA:
case eGL_DEPTH_COMPONENT:
case eGL_STENCIL:
case eGL_STENCIL_INDEX:
case eGL_DEPTH_STENCIL: break;
default:
return internalFormat; // already explicitly sized
}
switch(target)
{
case eGL_TEXTURE_CUBE_MAP_POSITIVE_X:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case eGL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case eGL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_Z: target = eGL_TEXTURE_CUBE_MAP;
default: break;
}
GLint red, depth, stencil;
if(HasExt[ARB_internalformat_query2] && gl.glGetInternalformativ)
{
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_RED_SIZE, sizeof(GLint),
&red);
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_DEPTH_SIZE, sizeof(GLint),
&depth);
gl.glGetInternalformativ(target, internalFormat, eGL_INTERNALFORMAT_STENCIL_SIZE, sizeof(GLint),
&stencil);
}
else
{
// without the query function, just default to sensible defaults
red = 8;
if(type == eGL_FLOAT)
depth = 32;
else if(type == eGL_UNSIGNED_SHORT)
depth = 16;
else
depth = 24;
stencil = 8;
}
switch(internalFormat)
{
case eGL_RED:
if(red == 32)
return eGL_R32F;
else if(red == 16)
return eGL_R16;
else
return eGL_R8;
case eGL_RG:
if(red == 32)
return eGL_RG32F;
else if(red == 16)
return eGL_RG16;
else
return eGL_RG8;
case eGL_RGB:
if(red == 32)
return eGL_RGB32F;
else if(red == 16)
return eGL_RGB16;
else
return eGL_RGB8;
case eGL_RGBA:
if(red == 32)
return eGL_RGBA32F;
else if(red == 16)
return eGL_RGBA16;
else
return eGL_RGBA8;
case eGL_STENCIL:
case eGL_STENCIL_INDEX:
if(stencil == 16)
return eGL_STENCIL_INDEX16;
else
return eGL_STENCIL_INDEX8;
case eGL_DEPTH_COMPONENT:
if(depth == 32)
return eGL_DEPTH_COMPONENT32F;
else if(depth == 16)
return eGL_DEPTH_COMPONENT16;
else
return eGL_DEPTH_COMPONENT24;
case eGL_DEPTH_STENCIL:
if(depth == 32)
return eGL_DEPTH32F_STENCIL8;
else
return eGL_DEPTH24_STENCIL8;
default: break;
}
return internalFormat;
}
void GetFramebufferMipAndLayer(const GLHookSet &gl, GLenum framebuffer, GLenum attachment,
GLint *mip, GLint *layer)
{
gl.glGetFramebufferAttachmentParameteriv(framebuffer, attachment,
eGL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL, mip);
GLenum face = eGL_NONE;
gl.glGetFramebufferAttachmentParameteriv(
framebuffer, attachment, eGL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE, (GLint *)&face);
if(face == 0)
{
gl.glGetFramebufferAttachmentParameteriv(framebuffer, attachment,
eGL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER, layer);
}
else
{
*layer = CubeTargetIndex(face);
}
}
// GL_TEXTURE_SWIZZLE_RGBA is not supported on GLES, so for consistency we use r/g/b/a component
// swizzles for both GL and GLES.
// The same applies to SetTextureSwizzle function.
void GetTextureSwizzle(const GLHookSet &gl, GLuint tex, GLenum target, GLenum *swizzleRGBA)
{
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_R, (GLint *)&swizzleRGBA[0]);
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_G, (GLint *)&swizzleRGBA[1]);
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_B, (GLint *)&swizzleRGBA[2]);
gl.glGetTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_A, (GLint *)&swizzleRGBA[3]);
}
void SetTextureSwizzle(const GLHookSet &gl, GLuint tex, GLenum target, GLenum *swizzleRGBA)
{
gl.glTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_R, (GLint *)&swizzleRGBA[0]);
gl.glTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_G, (GLint *)&swizzleRGBA[1]);
gl.glTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_B, (GLint *)&swizzleRGBA[2]);
gl.glTextureParameterivEXT(tex, target, eGL_TEXTURE_SWIZZLE_A, (GLint *)&swizzleRGBA[3]);
}
bool EmulateLuminanceFormat(const GLHookSet &gl, GLuint tex, GLenum target, GLenum &internalFormat,
GLenum &dataFormat)
{
GLenum swizzle[] = {eGL_RED, eGL_GREEN, eGL_BLUE, eGL_ALPHA};
bool dataFormatLum = (dataFormat == eGL_LUMINANCE || dataFormat == eGL_LUMINANCE_ALPHA ||
dataFormat == eGL_ALPHA || dataFormat == eGL_INTENSITY);
switch((int)internalFormat)
{
case eGL_INTENSITY:
case eGL_INTENSITY8_EXT:
internalFormat = eGL_R8;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = swizzle[3] =
eGL_RED; // intensity replicates across all 4 of RGBA
break;
case eGL_INTENSITY16_EXT:
internalFormat = eGL_R16;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = swizzle[3] =
eGL_RED; // intensity replicates across all 4 of RGBA
break;
case eGL_ALPHA:
case eGL_ALPHA8_EXT:
internalFormat = eGL_R8;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_NONE;
swizzle[3] = eGL_RED; // single component alpha channel
break;
case eGL_LUMINANCE:
case eGL_LUMINANCE8_EXT:
internalFormat = eGL_R8;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_SLUMINANCE8_EXT:
internalFormat = eGL_SRGB8;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_LUMINANCE16_EXT:
internalFormat = eGL_R16;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_LUMINANCE32F_ARB:
internalFormat = eGL_R32F;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_LUMINANCE32I_EXT:
internalFormat = eGL_R32I;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_LUMINANCE32UI_EXT:
internalFormat = eGL_R32UI;
if(dataFormatLum)
dataFormat = eGL_RED;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = (GLenum)1; // alpha explicitly set to 1 in luminance formats
break;
case eGL_LUMINANCE_ALPHA:
case eGL_LUMINANCE8_ALPHA8_EXT:
internalFormat = eGL_RG8;
if(dataFormatLum)
dataFormat = eGL_RG;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = eGL_GREEN;
break;
case eGL_SLUMINANCE8_ALPHA8_EXT:
internalFormat = eGL_SRGB8_ALPHA8;
if(dataFormatLum)
dataFormat = eGL_RG;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = eGL_GREEN;
break;
case eGL_LUMINANCE16_ALPHA16_EXT:
internalFormat = eGL_RG16;
if(dataFormatLum)
dataFormat = eGL_RG;
swizzle[0] = swizzle[1] = swizzle[2] = eGL_RED;
swizzle[3] = eGL_GREEN;
break;
default: return false;
}
if(tex)
{
if(HasExt[ARB_texture_swizzle] || HasExt[EXT_texture_swizzle])
{
SetTextureSwizzle(gl, tex, target, swizzle);
}
else
{
RDCERR("Cannot emulate luminance format without texture swizzle extension");
}
}
return true;
}
bool IsCompressedFormat(GLenum internalFormat)
{
switch(internalFormat)
{
// BC1
case eGL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case eGL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
// BC2
case eGL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
// BC3
case eGL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
// BC4
case eGL_COMPRESSED_RED_RGTC1:
case eGL_COMPRESSED_SIGNED_RED_RGTC1:
// BC5
case eGL_COMPRESSED_RG_RGTC2:
case eGL_COMPRESSED_SIGNED_RG_RGTC2:
// BC6
case eGL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB:
case eGL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB:
// BC7
case eGL_COMPRESSED_RGBA_BPTC_UNORM_ARB:
case eGL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB:
// ETC1
case eGL_ETC1_RGB8_OES:
// ETC2
case eGL_COMPRESSED_RGB8_ETC2:
case eGL_COMPRESSED_SRGB8_ETC2:
case eGL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case eGL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
// EAC
case eGL_COMPRESSED_RGBA8_ETC2_EAC:
case eGL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
case eGL_COMPRESSED_R11_EAC:
case eGL_COMPRESSED_SIGNED_R11_EAC:
case eGL_COMPRESSED_RG11_EAC:
case eGL_COMPRESSED_SIGNED_RG11_EAC:
// ASTC
case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: return true;
default: break;
}
return false;
}
bool IsDepthStencilFormat(GLenum internalFormat)
{
if(IsCompressedFormat(internalFormat))
return false;
GLenum fmt = GetBaseFormat(internalFormat);
return (fmt == eGL_DEPTH_COMPONENT || fmt == eGL_STENCIL || fmt == eGL_DEPTH_STENCIL);
}
bool IsUIntFormat(GLenum internalFormat)
{
switch(internalFormat)
{
case eGL_R8UI:
case eGL_RG8UI:
case eGL_RGB8UI:
case eGL_RGBA8UI:
case eGL_R16UI:
case eGL_RG16UI:
case eGL_RGB16UI:
case eGL_RGBA16UI:
case eGL_R32UI:
case eGL_RG32UI:
case eGL_RGB32UI:
case eGL_RGBA32UI:
case eGL_RGB10_A2UI: return true;
default: break;
}
return false;
}
bool IsSIntFormat(GLenum internalFormat)
{
switch(internalFormat)
{
case eGL_R8I:
case eGL_RG8I:
case eGL_RGB8I:
case eGL_RGBA8I:
case eGL_R16I:
case eGL_RG16I:
case eGL_RGB16I:
case eGL_RGBA16I:
case eGL_R32I:
case eGL_RG32I:
case eGL_RGB32I:
case eGL_RGBA32I: return true;
default: break;
}
return false;
}
bool IsSRGBFormat(GLenum internalFormat)
{
switch(internalFormat)
{
case eGL_SRGB8:
case eGL_SRGB8_ALPHA8:
case eGL_SLUMINANCE8:
case eGL_SLUMINANCE8_ALPHA8:
case eGL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
case eGL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB: return true;
default: break;
}
return false;
}
GLenum TextureBinding(GLenum target)
{
switch(target)
{
case eGL_TEXTURE_1D: return eGL_TEXTURE_BINDING_1D;
case eGL_TEXTURE_1D_ARRAY: return eGL_TEXTURE_BINDING_1D_ARRAY;
case eGL_TEXTURE_2D: return eGL_TEXTURE_BINDING_2D;
case eGL_TEXTURE_2D_ARRAY: return eGL_TEXTURE_BINDING_2D_ARRAY;
case eGL_TEXTURE_2D_MULTISAMPLE: return eGL_TEXTURE_BINDING_2D_MULTISAMPLE;
case eGL_TEXTURE_2D_MULTISAMPLE_ARRAY: return eGL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY;
case eGL_TEXTURE_RECTANGLE: return eGL_TEXTURE_BINDING_RECTANGLE;
case eGL_TEXTURE_3D: return eGL_TEXTURE_BINDING_3D;
case eGL_TEXTURE_CUBE_MAP:
case eGL_TEXTURE_CUBE_MAP_POSITIVE_X:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case eGL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case eGL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case eGL_TEXTURE_CUBE_MAP_NEGATIVE_Z: return eGL_TEXTURE_BINDING_CUBE_MAP;
case eGL_TEXTURE_CUBE_MAP_ARRAY: return eGL_TEXTURE_BINDING_CUBE_MAP_ARRAY;
case eGL_TEXTURE_BUFFER: return eGL_TEXTURE_BINDING_BUFFER;
default: break;
}
RDCERR("Unexpected target %s", ToStr::Get(target).c_str());
return eGL_NONE;
}
GLenum BufferBinding(GLenum target)
{
switch(target)
{
case eGL_ARRAY_BUFFER: return eGL_ARRAY_BUFFER_BINDING;
case eGL_ATOMIC_COUNTER_BUFFER: return eGL_ATOMIC_COUNTER_BUFFER_BINDING;
case eGL_COPY_READ_BUFFER: return eGL_COPY_READ_BUFFER_BINDING;
case eGL_COPY_WRITE_BUFFER: return eGL_COPY_WRITE_BUFFER_BINDING;
case eGL_DRAW_INDIRECT_BUFFER: return eGL_DRAW_INDIRECT_BUFFER_BINDING;
case eGL_DISPATCH_INDIRECT_BUFFER: return eGL_DISPATCH_INDIRECT_BUFFER_BINDING;
case eGL_ELEMENT_ARRAY_BUFFER: return eGL_ELEMENT_ARRAY_BUFFER_BINDING;
case eGL_PIXEL_PACK_BUFFER: return eGL_PIXEL_PACK_BUFFER_BINDING;
case eGL_PIXEL_UNPACK_BUFFER: return eGL_PIXEL_UNPACK_BUFFER_BINDING;
case eGL_QUERY_BUFFER: return eGL_QUERY_BUFFER_BINDING;
case eGL_SHADER_STORAGE_BUFFER: return eGL_SHADER_STORAGE_BUFFER_BINDING;
case eGL_TEXTURE_BUFFER: return eGL_TEXTURE_BUFFER_BINDING;
case eGL_TRANSFORM_FEEDBACK_BUFFER: return eGL_TRANSFORM_FEEDBACK_BUFFER_BINDING;
case eGL_UNIFORM_BUFFER: return eGL_UNIFORM_BUFFER_BINDING;
case eGL_PARAMETER_BUFFER_ARB: return eGL_PARAMETER_BUFFER_BINDING_ARB;