forked from gopherjs/webgl
-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathwebgl_js.go
1038 lines (901 loc) · 47.3 KB
/
webgl_js.go
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
// Copyright 2014 Joseph Hager. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build netgo
package webgl
import (
"errors"
"github.com/gopherjs/gopherjs/js"
)
type Texture struct{ *js.Object }
type Buffer struct{ *js.Object }
type FrameBuffer struct{ *js.Object }
type RenderBuffer struct{ *js.Object }
type Program struct{ *js.Object }
type UniformLocation struct{ *js.Object }
type Shader struct{ *js.Object }
type ContextAttributes struct {
// If Alpha is true, the drawing buffer has an alpha channel for
// the purposes of performing OpenGL destination alpha operations
// and compositing with the page.
Alpha bool
// If Depth is true, the drawing buffer has a depth buffer of at least 16 bits.
Depth bool
// If Stencil is true, the drawing buffer has a stencil buffer of at least 8 bits.
Stencil bool
// If Antialias is true and the implementation supports antialiasing
// the drawing buffer will perform antialiasing using its choice of
// technique (multisample/supersample) and quality.
Antialias bool
// If PremultipliedAlpha is true the page compositor will assume the
// drawing buffer contains colors with premultiplied alpha.
// This flag is ignored if the alpha flag is false.
PremultipliedAlpha bool
// If the value is true the buffers will not be cleared and will preserve
// their values until cleared or overwritten by the author.
PreserveDrawingBuffer bool
}
// Returns a copy of the default WebGL context attributes.
func DefaultAttributes() *ContextAttributes {
return &ContextAttributes{true, true, false, true, true, false}
}
type Context struct {
*js.Object
ARRAY_BUFFER int `js:"ARRAY_BUFFER"`
ARRAY_BUFFER_BINDING int `js:"ARRAY_BUFFER_BINDING"`
ATTACHED_SHADERS int `js:"ATTACHED_SHADERS"`
BACK int `js:"BACK"`
BLEND int `js:"BLEND"`
BLEND_COLOR int `js:"BLEND_COLOR"`
BLEND_DST_ALPHA int `js:"BLEND_DST_ALPHA"`
BLEND_DST_RGB int `js:"BLEND_DST_RGB"`
BLEND_EQUATION int `js:"BLEND_EQUATION"`
BLEND_EQUATION_ALPHA int `js:"BLEND_EQUATION_ALPHA"`
BLEND_EQUATION_RGB int `js:"BLEND_EQUATION_RGB"`
BLEND_SRC_ALPHA int `js:"BLEND_SRC_ALPHA"`
BLEND_SRC_RGB int `js:"BLEND_SRC_RGB"`
BLUE_BITS int `js:"BLUE_BITS"`
BOOL int `js:"BOOL"`
BOOL_VEC2 int `js:"BOOL_VEC2"`
BOOL_VEC3 int `js:"BOOL_VEC3"`
BOOL_VEC4 int `js:"BOOL_VEC4"`
BROWSER_DEFAULT_WEBGL int `js:"BROWSER_DEFAULT_WEBGL"`
BUFFER_SIZE int `js:"BUFFER_SIZE"`
BUFFER_USAGE int `js:"BUFFER_USAGE"`
BYTE int `js:"BYTE"`
CCW int `js:"CCW"`
CLAMP_TO_EDGE int `js:"CLAMP_TO_EDGE"`
COLOR_ATTACHMENT0 int `js:"COLOR_ATTACHMENT0"`
COLOR_BUFFER_BIT int `js:"COLOR_BUFFER_BIT"`
COLOR_CLEAR_VALUE int `js:"COLOR_CLEAR_VALUE"`
COLOR_WRITEMASK int `js:"COLOR_WRITEMASK"`
COMPILE_STATUS int `js:"COMPILE_STATUS"`
COMPRESSED_TEXTURE_FORMATS int `js:"COMPRESSED_TEXTURE_FORMATS"`
CONSTANT_ALPHA int `js:"CONSTANT_ALPHA"`
CONSTANT_COLOR int `js:"CONSTANT_COLOR"`
CONTEXT_LOST_WEBGL int `js:"CONTEXT_LOST_WEBGL"`
CULL_FACE int `js:"CULL_FACE"`
CULL_FACE_MODE int `js:"CULL_FACE_MODE"`
CURRENT_PROGRAM int `js:"CURRENT_PROGRAM"`
CURRENT_VERTEX_ATTRIB int `js:"CURRENT_VERTEX_ATTRIB"`
CW int `js:"CW"`
DECR int `js:"DECR"`
DECR_WRAP int `js:"DECR_WRAP"`
DELETE_STATUS int `js:"DELETE_STATUS"`
DEPTH_ATTACHMENT int `js:"DEPTH_ATTACHMENT"`
DEPTH_BITS int `js:"DEPTH_BITS"`
DEPTH_BUFFER_BIT int `js:"DEPTH_BUFFER_BIT"`
DEPTH_CLEAR_VALUE int `js:"DEPTH_CLEAR_VALUE"`
DEPTH_COMPONENT int `js:"DEPTH_COMPONENT"`
DEPTH_COMPONENT16 int `js:"DEPTH_COMPONENT16"`
DEPTH_FUNC int `js:"DEPTH_FUNC"`
DEPTH_RANGE int `js:"DEPTH_RANGE"`
DEPTH_STENCIL int `js:"DEPTH_STENCIL"`
DEPTH_STENCIL_ATTACHMENT int `js:"DEPTH_STENCIL_ATTACHMENT"`
DEPTH_TEST int `js:"DEPTH_TEST"`
DEPTH_WRITEMASK int `js:"DEPTH_WRITEMASK"`
DITHER int `js:"DITHER"`
DONT_CARE int `js:"DONT_CARE"`
DST_ALPHA int `js:"DST_ALPHA"`
DST_COLOR int `js:"DST_COLOR"`
DYNAMIC_DRAW int `js:"DYNAMIC_DRAW"`
ELEMENT_ARRAY_BUFFER int `js:"ELEMENT_ARRAY_BUFFER"`
ELEMENT_ARRAY_BUFFER_BINDING int `js:"ELEMENT_ARRAY_BUFFER_BINDING"`
EQUAL int `js:"EQUAL"`
FASTEST int `js:"FASTEST"`
FLOAT int `js:"FLOAT"`
FLOAT_MAT2 int `js:"FLOAT_MAT2"`
FLOAT_MAT3 int `js:"FLOAT_MAT3"`
FLOAT_MAT4 int `js:"FLOAT_MAT4"`
FLOAT_VEC2 int `js:"FLOAT_VEC2"`
FLOAT_VEC3 int `js:"FLOAT_VEC3"`
FLOAT_VEC4 int `js:"FLOAT_VEC4"`
FRAGMENT_SHADER int `js:"FRAGMENT_SHADER"`
FRAMEBUFFER int `js:"FRAMEBUFFER"`
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME int `js:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME"`
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE int `js:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE"`
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE int `js:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE"`
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL int `js:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL"`
FRAMEBUFFER_BINDING int `js:"FRAMEBUFFER_BINDING"`
FRAMEBUFFER_COMPLETE int `js:"FRAMEBUFFER_COMPLETE"`
FRAMEBUFFER_INCOMPLETE_ATTACHMENT int `js:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT"`
FRAMEBUFFER_INCOMPLETE_DIMENSIONS int `js:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS"`
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT int `js:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"`
FRAMEBUFFER_UNSUPPORTED int `js:"FRAMEBUFFER_UNSUPPORTED"`
FRONT int `js:"FRONT"`
FRONT_AND_BACK int `js:"FRONT_AND_BACK"`
FRONT_FACE int `js:"FRONT_FACE"`
FUNC_ADD int `js:"FUNC_ADD"`
FUNC_REVERSE_SUBTRACT int `js:"FUNC_REVERSE_SUBTRACT"`
FUNC_SUBTRACT int `js:"FUNC_SUBTRACT"`
GENERATE_MIPMAP_HINT int `js:"GENERATE_MIPMAP_HINT"`
GEQUAL int `js:"GEQUAL"`
GREATER int `js:"GREATER"`
GREEN_BITS int `js:"GREEN_BITS"`
HIGH_FLOAT int `js:"HIGH_FLOAT"`
HIGH_INT int `js:"HIGH_INT"`
INCR int `js:"INCR"`
INCR_WRAP int `js:"INCR_WRAP"`
INFO_LOG_LENGTH int `js:"INFO_LOG_LENGTH"`
INT int `js:"INT"`
INT_VEC2 int `js:"INT_VEC2"`
INT_VEC3 int `js:"INT_VEC3"`
INT_VEC4 int `js:"INT_VEC4"`
INVALID_ENUM int `js:"INVALID_ENUM"`
INVALID_FRAMEBUFFER_OPERATION int `js:"INVALID_FRAMEBUFFER_OPERATION"`
INVALID_OPERATION int `js:"INVALID_OPERATION"`
INVALID_VALUE int `js:"INVALID_VALUE"`
INVERT int `js:"INVERT"`
KEEP int `js:"KEEP"`
LEQUAL int `js:"LEQUAL"`
LESS int `js:"LESS"`
LINEAR int `js:"LINEAR"`
LINEAR_MIPMAP_LINEAR int `js:"LINEAR_MIPMAP_LINEAR"`
LINEAR_MIPMAP_NEAREST int `js:"LINEAR_MIPMAP_NEAREST"`
LINES int `js:"LINES"`
LINE_LOOP int `js:"LINE_LOOP"`
LINE_STRIP int `js:"LINE_STRIP"`
LINE_WIDTH int `js:"LINE_WIDTH"`
LINK_STATUS int `js:"LINK_STATUS"`
LOW_FLOAT int `js:"LOW_FLOAT"`
LOW_INT int `js:"LOW_INT"`
LUMINANCE int `js:"LUMINANCE"`
LUMINANCE_ALPHA int `js:"LUMINANCE_ALPHA"`
MAX_COMBINED_TEXTURE_IMAGE_UNITS int `js:"MAX_COMBINED_TEXTURE_IMAGE_UNITS"`
MAX_CUBE_MAP_TEXTURE_SIZE int `js:"MAX_CUBE_MAP_TEXTURE_SIZE"`
MAX_FRAGMENT_UNIFORM_VECTORS int `js:"MAX_FRAGMENT_UNIFORM_VECTORS"`
MAX_RENDERBUFFER_SIZE int `js:"MAX_RENDERBUFFER_SIZE"`
MAX_TEXTURE_IMAGE_UNITS int `js:"MAX_TEXTURE_IMAGE_UNITS"`
MAX_TEXTURE_SIZE int `js:"MAX_TEXTURE_SIZE"`
MAX_VARYING_VECTORS int `js:"MAX_VARYING_VECTORS"`
MAX_VERTEX_ATTRIBS int `js:"MAX_VERTEX_ATTRIBS"`
MAX_VERTEX_TEXTURE_IMAGE_UNITS int `js:"MAX_VERTEX_TEXTURE_IMAGE_UNITS"`
MAX_VERTEX_UNIFORM_VECTORS int `js:"MAX_VERTEX_UNIFORM_VECTORS"`
MAX_VIEWPORT_DIMS int `js:"MAX_VIEWPORT_DIMS"`
MEDIUM_FLOAT int `js:"MEDIUM_FLOAT"`
MEDIUM_INT int `js:"MEDIUM_INT"`
MIRRORED_REPEAT int `js:"MIRRORED_REPEAT"`
NEAREST int `js:"NEAREST"`
NEAREST_MIPMAP_LINEAR int `js:"NEAREST_MIPMAP_LINEAR"`
NEAREST_MIPMAP_NEAREST int `js:"NEAREST_MIPMAP_NEAREST"`
NEVER int `js:"NEVER"`
NICEST int `js:"NICEST"`
NONE int `js:"NONE"`
NOTEQUAL int `js:"NOTEQUAL"`
NO_ERROR int `js:"NO_ERROR"`
NUM_COMPRESSED_TEXTURE_FORMATS int `js:"NUM_COMPRESSED_TEXTURE_FORMATS"`
ONE int `js:"ONE"`
ONE_MINUS_CONSTANT_ALPHA int `js:"ONE_MINUS_CONSTANT_ALPHA"`
ONE_MINUS_CONSTANT_COLOR int `js:"ONE_MINUS_CONSTANT_COLOR"`
ONE_MINUS_DST_ALPHA int `js:"ONE_MINUS_DST_ALPHA"`
ONE_MINUS_DST_COLOR int `js:"ONE_MINUS_DST_COLOR"`
ONE_MINUS_SRC_ALPHA int `js:"ONE_MINUS_SRC_ALPHA"`
ONE_MINUS_SRC_COLOR int `js:"ONE_MINUS_SRC_COLOR"`
OUT_OF_MEMORY int `js:"OUT_OF_MEMORY"`
PACK_ALIGNMENT int `js:"PACK_ALIGNMENT"`
POINTS int `js:"POINTS"`
POLYGON_OFFSET_FACTOR int `js:"POLYGON_OFFSET_FACTOR"`
POLYGON_OFFSET_FILL int `js:"POLYGON_OFFSET_FILL"`
POLYGON_OFFSET_UNITS int `js:"POLYGON_OFFSET_UNITS"`
RED_BITS int `js:"RED_BITS"`
RENDERBUFFER int `js:"RENDERBUFFER"`
RENDERBUFFER_ALPHA_SIZE int `js:"RENDERBUFFER_ALPHA_SIZE"`
RENDERBUFFER_BINDING int `js:"RENDERBUFFER_BINDING"`
RENDERBUFFER_BLUE_SIZE int `js:"RENDERBUFFER_BLUE_SIZE"`
RENDERBUFFER_DEPTH_SIZE int `js:"RENDERBUFFER_DEPTH_SIZE"`
RENDERBUFFER_GREEN_SIZE int `js:"RENDERBUFFER_GREEN_SIZE"`
RENDERBUFFER_HEIGHT int `js:"RENDERBUFFER_HEIGHT"`
RENDERBUFFER_INTERNAL_FORMAT int `js:"RENDERBUFFER_INTERNAL_FORMAT"`
RENDERBUFFER_RED_SIZE int `js:"RENDERBUFFER_RED_SIZE"`
RENDERBUFFER_STENCIL_SIZE int `js:"RENDERBUFFER_STENCIL_SIZE"`
RENDERBUFFER_WIDTH int `js:"RENDERBUFFER_WIDTH"`
RENDERER int `js:"RENDERER"`
REPEAT int `js:"REPEAT"`
REPLACE int `js:"REPLACE"`
RGB int `js:"RGB"`
RGB5_A1 int `js:"RGB5_A1"`
RGB565 int `js:"RGB565"`
RGBA int `js:"RGBA"`
RGBA4 int `js:"RGBA4"`
SAMPLER_2D int `js:"SAMPLER_2D"`
SAMPLER_CUBE int `js:"SAMPLER_CUBE"`
SAMPLES int `js:"SAMPLES"`
SAMPLE_ALPHA_TO_COVERAGE int `js:"SAMPLE_ALPHA_TO_COVERAGE"`
SAMPLE_BUFFERS int `js:"SAMPLE_BUFFERS"`
SAMPLE_COVERAGE int `js:"SAMPLE_COVERAGE"`
SAMPLE_COVERAGE_INVERT int `js:"SAMPLE_COVERAGE_INVERT"`
SAMPLE_COVERAGE_VALUE int `js:"SAMPLE_COVERAGE_VALUE"`
SCISSOR_BOX int `js:"SCISSOR_BOX"`
SCISSOR_TEST int `js:"SCISSOR_TEST"`
SHADER_COMPILER int `js:"SHADER_COMPILER"`
SHADER_SOURCE_LENGTH int `js:"SHADER_SOURCE_LENGTH"`
SHADER_TYPE int `js:"SHADER_TYPE"`
SHADING_LANGUAGE_VERSION int `js:"SHADING_LANGUAGE_VERSION"`
SHORT int `js:"SHORT"`
SRC_ALPHA int `js:"SRC_ALPHA"`
SRC_ALPHA_SATURATE int `js:"SRC_ALPHA_SATURATE"`
SRC_COLOR int `js:"SRC_COLOR"`
STATIC_DRAW int `js:"STATIC_DRAW"`
STENCIL_ATTACHMENT int `js:"STENCIL_ATTACHMENT"`
STENCIL_BACK_FAIL int `js:"STENCIL_BACK_FAIL"`
STENCIL_BACK_FUNC int `js:"STENCIL_BACK_FUNC"`
STENCIL_BACK_PASS_DEPTH_FAIL int `js:"STENCIL_BACK_PASS_DEPTH_FAIL"`
STENCIL_BACK_PASS_DEPTH_PASS int `js:"STENCIL_BACK_PASS_DEPTH_PASS"`
STENCIL_BACK_REF int `js:"STENCIL_BACK_REF"`
STENCIL_BACK_VALUE_MASK int `js:"STENCIL_BACK_VALUE_MASK"`
STENCIL_BACK_WRITEMASK int `js:"STENCIL_BACK_WRITEMASK"`
STENCIL_BITS int `js:"STENCIL_BITS"`
STENCIL_BUFFER_BIT int `js:"STENCIL_BUFFER_BIT"`
STENCIL_CLEAR_VALUE int `js:"STENCIL_CLEAR_VALUE"`
STENCIL_FAIL int `js:"STENCIL_FAIL"`
STENCIL_FUNC int `js:"STENCIL_FUNC"`
STENCIL_INDEX int `js:"STENCIL_INDEX"`
STENCIL_INDEX8 int `js:"STENCIL_INDEX8"`
STENCIL_PASS_DEPTH_FAIL int `js:"STENCIL_PASS_DEPTH_FAIL"`
STENCIL_PASS_DEPTH_PASS int `js:"STENCIL_PASS_DEPTH_PASS"`
STENCIL_REF int `js:"STENCIL_REF"`
STENCIL_TEST int `js:"STENCIL_TEST"`
STENCIL_VALUE_MASK int `js:"STENCIL_VALUE_MASK"`
STENCIL_WRITEMASK int `js:"STENCIL_WRITEMASK"`
STREAM_DRAW int `js:"STREAM_DRAW"`
SUBPIXEL_BITS int `js:"SUBPIXEL_BITS"`
TEXTURE int `js:"TEXTURE"`
TEXTURE0 int `js:"TEXTURE0"`
TEXTURE1 int `js:"TEXTURE1"`
TEXTURE2 int `js:"TEXTURE2"`
TEXTURE3 int `js:"TEXTURE3"`
TEXTURE4 int `js:"TEXTURE4"`
TEXTURE5 int `js:"TEXTURE5"`
TEXTURE6 int `js:"TEXTURE6"`
TEXTURE7 int `js:"TEXTURE7"`
TEXTURE8 int `js:"TEXTURE8"`
TEXTURE9 int `js:"TEXTURE9"`
TEXTURE10 int `js:"TEXTURE10"`
TEXTURE11 int `js:"TEXTURE11"`
TEXTURE12 int `js:"TEXTURE12"`
TEXTURE13 int `js:"TEXTURE13"`
TEXTURE14 int `js:"TEXTURE14"`
TEXTURE15 int `js:"TEXTURE15"`
TEXTURE16 int `js:"TEXTURE16"`
TEXTURE17 int `js:"TEXTURE17"`
TEXTURE18 int `js:"TEXTURE18"`
TEXTURE19 int `js:"TEXTURE19"`
TEXTURE20 int `js:"TEXTURE20"`
TEXTURE21 int `js:"TEXTURE21"`
TEXTURE22 int `js:"TEXTURE22"`
TEXTURE23 int `js:"TEXTURE23"`
TEXTURE24 int `js:"TEXTURE24"`
TEXTURE25 int `js:"TEXTURE25"`
TEXTURE26 int `js:"TEXTURE26"`
TEXTURE27 int `js:"TEXTURE27"`
TEXTURE28 int `js:"TEXTURE28"`
TEXTURE29 int `js:"TEXTURE29"`
TEXTURE30 int `js:"TEXTURE30"`
TEXTURE31 int `js:"TEXTURE31"`
TEXTURE_2D int `js:"TEXTURE_2D"`
TEXTURE_BINDING_2D int `js:"TEXTURE_BINDING_2D"`
TEXTURE_BINDING_CUBE_MAP int `js:"TEXTURE_BINDING_CUBE_MAP"`
TEXTURE_CUBE_MAP int `js:"TEXTURE_CUBE_MAP"`
TEXTURE_CUBE_MAP_NEGATIVE_X int `js:"TEXTURE_CUBE_MAP_NEGATIVE_X"`
TEXTURE_CUBE_MAP_NEGATIVE_Y int `js:"TEXTURE_CUBE_MAP_NEGATIVE_Y"`
TEXTURE_CUBE_MAP_NEGATIVE_Z int `js:"TEXTURE_CUBE_MAP_NEGATIVE_Z"`
TEXTURE_CUBE_MAP_POSITIVE_X int `js:"TEXTURE_CUBE_MAP_POSITIVE_X"`
TEXTURE_CUBE_MAP_POSITIVE_Y int `js:"TEXTURE_CUBE_MAP_POSITIVE_Y"`
TEXTURE_CUBE_MAP_POSITIVE_Z int `js:"TEXTURE_CUBE_MAP_POSITIVE_Z"`
TEXTURE_MAG_FILTER int `js:"TEXTURE_MAG_FILTER"`
TEXTURE_MIN_FILTER int `js:"TEXTURE_MIN_FILTER"`
TEXTURE_WRAP_S int `js:"TEXTURE_WRAP_S"`
TEXTURE_WRAP_T int `js:"TEXTURE_WRAP_T"`
TRIANGLES int `js:"TRIANGLES"`
TRIANGLE_FAN int `js:"TRIANGLE_FAN"`
TRIANGLE_STRIP int `js:"TRIANGLE_STRIP"`
UNPACK_ALIGNMENT int `js:"UNPACK_ALIGNMENT"`
UNPACK_COLORSPACE_CONVERSION_WEBGL int `js:"UNPACK_COLORSPACE_CONVERSION_WEBGL"`
UNPACK_FLIP_Y_WEBGL int `js:"UNPACK_FLIP_Y_WEBGL"`
UNPACK_PREMULTIPLY_ALPHA_WEBGL int `js:"UNPACK_PREMULTIPLY_ALPHA_WEBGL"`
UNSIGNED_BYTE int `js:"UNSIGNED_BYTE"`
UNSIGNED_INT int `js:"UNSIGNED_INT"`
UNSIGNED_SHORT int `js:"UNSIGNED_SHORT"`
UNSIGNED_SHORT_4_4_4_4 int `js:"UNSIGNED_SHORT_4_4_4_4"`
UNSIGNED_SHORT_5_5_5_1 int `js:"UNSIGNED_SHORT_5_5_5_1"`
UNSIGNED_SHORT_5_6_5 int `js:"UNSIGNED_SHORT_5_6_5"`
VALIDATE_STATUS int `js:"VALIDATE_STATUS"`
VENDOR int `js:"VENDOR"`
VERSION int `js:"VERSION"`
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING int `js:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING"`
VERTEX_ATTRIB_ARRAY_ENABLED int `js:"VERTEX_ATTRIB_ARRAY_ENABLED"`
VERTEX_ATTRIB_ARRAY_NORMALIZED int `js:"VERTEX_ATTRIB_ARRAY_NORMALIZED"`
VERTEX_ATTRIB_ARRAY_POINTER int `js:"VERTEX_ATTRIB_ARRAY_POINTER"`
VERTEX_ATTRIB_ARRAY_SIZE int `js:"VERTEX_ATTRIB_ARRAY_SIZE"`
VERTEX_ATTRIB_ARRAY_STRIDE int `js:"VERTEX_ATTRIB_ARRAY_STRIDE"`
VERTEX_ATTRIB_ARRAY_TYPE int `js:"VERTEX_ATTRIB_ARRAY_TYPE"`
VERTEX_SHADER int `js:"VERTEX_SHADER"`
VIEWPORT int `js:"VIEWPORT"`
ZERO int `js:"ZERO"`
}
// NewContext takes an HTML5 canvas object and optional context attributes.
// If an error is returned it means you won't have access to WebGL
// functionality.
func NewContext(canvas *js.Object, ca *ContextAttributes) (*Context, error) {
if js.Global.Get("WebGLRenderingContext") == js.Undefined {
return nil, errors.New("Your browser doesn't appear to support webgl.")
}
if ca == nil {
ca = DefaultAttributes()
}
attrs := map[string]bool{
"alpha": ca.Alpha,
"depth": ca.Depth,
"stencil": ca.Stencil,
"antialias": ca.Antialias,
"premultipliedAlpha": ca.PremultipliedAlpha,
"preserveDrawingBuffer": ca.PreserveDrawingBuffer,
}
gl := canvas.Call("getContext", "webgl", attrs)
if gl == nil {
gl = canvas.Call("getContext", "experimental-webgl", attrs)
if gl == nil {
return nil, errors.New("Creating a webgl context has failed.")
}
}
ctx := new(Context)
ctx.Object = gl
return ctx, nil
}
// Returns the context attributes active on the context. These values might
// be different than what was requested on context creation if the
// browser's implementation doesn't support a feature.
func (c *Context) GetContextAttributes() ContextAttributes {
ca := c.Call("getContextAttributes")
return ContextAttributes{
ca.Get("alpha").Bool(),
ca.Get("depth").Bool(),
ca.Get("stencil").Bool(),
ca.Get("antialias").Bool(),
ca.Get("premultipliedAlpha").Bool(),
ca.Get("preservedDrawingBuffer").Bool(),
}
}
// PerFragment ---------------------------------------------------------------
// The GL_BLEND_COLOR may be used to calculate the source and destination blending factors.
func (c *Context) BlendColor(r, g, b, a float64) {
c.Call("blendColor", r, g, b, a)
}
// Sets the equation used to blend RGB and Alpha values of an incoming source
// fragment with a destination values as stored in the fragment's frame buffer.
func (c *Context) BlendEquation(mode int) {
c.Call("blendEquation", mode)
}
// Controls the blending of an incoming source fragment's R, G, B, and A values
// with a destination R, G, B, and A values as stored in the fragment's WebGLFramebuffer.
func (c *Context) BlendEquationSeparate(modeRGB, modeAlpha int) {
c.Call("blendEquationSeparate", modeRGB, modeAlpha)
}
// Sets the blending factors used to combine source and destination pixels.
func (c *Context) BlendFunc(sfactor, dfactor int) {
c.Call("blendFunc", sfactor, dfactor)
}
// Sets the weighting factors that are used by blendEquationSeparate.
func (c *Context) BlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha int) {
c.Call("blendFuncSeparate", srcRGB, dstRGB, srcAlpha, dstAlpha)
}
// Sets a function to use to compare incoming pixel depth to the
// current depth buffer value.
func (c *Context) DepthFunc(fun int) {
c.Call("depthFunc", fun)
}
func (c *Context) SampleCoverage(value float64, invert bool) {
c.Call("sampleCoverage", value, invert)
}
func (c *Context) StencilFunc(function, ref, mask int) {
c.Call("stencilFunc", function, ref, mask)
}
func (c *Context) StencilFuncSeparate(face, function, ref, mask int) {
c.Call("stencilFuncSeparate", face, function, ref, mask)
}
// public function stencilOp(fail:GLenum, zfail:GLenum, zpass:GLenum) : Void;
// public function stencilOpSeparate(face:GLenum, fail:GLenum, zfail:GLenum, zpass:GLenum) : Void;
// FrameBuffer
// ---------------------------------------------------------------------------
// Specifies the active texture unit.
func (c *Context) ActiveTexture(texture int) {
c.Call("activeTexture", texture)
}
// Attaches a WebGLShader object to a WebGLProgram object.
func (c *Context) AttachShader(program *Program, shader *Shader) {
c.Call("attachShader", program.Object, shader.Object)
}
// Binds a generic vertex index to a user-defined attribute variable.
func (c *Context) BindAttribLocation(program *Program, index int, name string) {
c.Call("bindAttribLocation", program.Object, index, name)
}
// Associates a buffer with a buffer target.
func (c *Context) BindBuffer(target int, buffer *Buffer) {
c.Call("bindBuffer", target, buffer.Object)
}
// Associates a WebGLFramebuffer object with the FRAMEBUFFER bind target.
func (c *Context) BindFramebuffer(target int, framebuffer *FrameBuffer) {
c.Call("bindFramebuffer", target, framebuffer.Object)
}
// Binds a WebGLRenderbuffer object to be used for rendering.
func (c *Context) BindRenderbuffer(target int, renderbuffer *RenderBuffer) {
c.Call("bindRenderbuffer", target, renderbuffer)
}
// Binds a named texture object to a target.
func (c *Context) BindTexture(target int, texture *Texture) {
c.Call("bindTexture", target, texture.Object)
}
// Creates a buffer in memory and initializes it with array data.
// If no array is provided, the contents of the buffer is initialized to 0.
func (c *Context) BufferData(target int, data interface{}, usage int) {
c.Call("bufferData", target, data, usage)
}
// Used to modify or update some or all of a data store for a bound buffer object.
func (c *Context) BufferSubData(target int, offset int, data interface{}) {
c.Call("bufferSubData", target, offset, data)
}
// Returns whether the currently bound WebGLFramebuffer is complete.
// If not complete, returns the reason why.
func (c *Context) CheckFramebufferStatus(target int) int {
return c.Call("checkFramebufferStatus", target).Int()
}
// Sets all pixels in a specific buffer to the same value.
func (c *Context) Clear(flags int) {
c.Call("clear", flags)
}
// Specifies color values to use by the clear method to clear the color buffer.
func (c *Context) ClearColor(r, g, b, a float32) {
c.Call("clearColor", r, g, b, a)
}
// Clears the depth buffer to a specific value.
func (c *Context) ClearDepth(depth float64) {
c.Call("clearDepth", depth)
}
func (c *Context) ClearStencil(s int) {
c.Call("clearStencil", s)
}
// Lets you set whether individual colors can be written when
// drawing or rendering to a framebuffer.
func (c *Context) ColorMask(r, g, b, a bool) {
c.Call("colorMask", r, g, b, a)
}
// Compiles the GLSL shader source into binary data used by the WebGLProgram object.
func (c *Context) CompileShader(shader *Shader) {
c.Call("compileShader", shader.Object)
}
// Copies a rectangle of pixels from the current WebGLFramebuffer into a texture image.
func (c *Context) CopyTexImage2D(target, level, internal, x, y, w, h, border int) {
c.Call("copyTexImage2D", target, level, internal, x, y, w, h, border)
}
// Replaces a portion of an existing 2D texture image with data from the current framebuffer.
func (c *Context) CopyTexSubImage2D(target, level, xoffset, yoffset, x, y, w, h int) {
c.Call("copyTexSubImage2D", target, level, xoffset, yoffset, x, y, w, h)
}
// Creates and initializes a WebGLBuffer.
func (c *Context) CreateBuffer() *Buffer {
return &Buffer{c.Call("createBuffer")}
}
// Returns a WebGLFramebuffer object.
func (c *Context) CreateFramebuffer() *FrameBuffer {
return &FrameBuffer{c.Call("createFramebuffer")}
}
// Creates an empty WebGLProgram object to which vector and fragment
// WebGLShader objects can be bound.
func (c *Context) CreateProgram() *Program {
return &Program{c.Call("createProgram")}
}
// Creates and returns a WebGLRenderbuffer object.
func (c *Context) CreateRenderbuffer() *RenderBuffer {
return &RenderBuffer{c.Call("createRenderbuffer")}
}
// Returns an empty vertex or fragment shader object based on the type specified.
func (c *Context) CreateShader(typ int) *Shader {
return &Shader{c.Call("createShader", typ)}
}
// Used to generate a WebGLTexture object to which images can be bound.
func (c *Context) CreateTexture() *Texture {
return &Texture{c.Call("createTexture")}
}
// Sets whether or not front, back, or both facing facets are able to be culled.
func (c *Context) CullFace(mode int) {
c.Call("cullFace", mode)
}
// Delete a specific buffer.
func (c *Context) DeleteBuffer(buffer *Buffer) {
c.Call("deleteBuffer", buffer)
}
// Deletes a specific WebGLFramebuffer object. If you delete the
// currently bound framebuffer, the default framebuffer will be bound.
// Deleting a framebuffer detaches all of its attachments.
func (c *Context) DeleteFramebuffer(framebuffer *FrameBuffer) {
c.Call("deleteFramebuffer", framebuffer)
}
// Flags a specific WebGLProgram object for deletion if currently active.
// It will be deleted when it is no longer being used.
// Any shader objects associated with the program will be detached.
// They will be deleted if they were already flagged for deletion.
func (c *Context) DeleteProgram(program *Program) {
c.Call("deleteProgram", program.Object)
}
// Deletes the specified renderbuffer object. If the renderbuffer is
// currently bound, it will become unbound. If the renderbuffer is
// attached to the currently bound framebuffer, it is detached.
func (c *Context) DeleteRenderbuffer(renderbuffer *RenderBuffer) {
c.Call("deleteRenderbuffer", renderbuffer.Object)
}
// Deletes a specific shader object.
func (c *Context) DeleteShader(shader *Shader) {
c.Call("deleteShader", shader.Object)
}
// Deletes a specific texture object.
func (c *Context) DeleteTexture(texture *Texture) {
c.Call("deleteTexture", texture.Object)
}
// Sets whether or not you can write to the depth buffer.
func (c *Context) DepthMask(flag bool) {
c.Call("depthMask", flag)
}
// Sets the depth range for normalized coordinates to canvas or viewport depth coordinates.
func (c *Context) DepthRange(zNear, zFar float64) {
c.Call("depthRange", zNear, zFar)
}
// Detach a shader object from a program object.
func (c *Context) DetachShader(program *Program, shader *Shader) {
c.Call("detachShader", program.Object, shader.Object)
}
// Turns off specific WebGL capabilities for this context.
func (c *Context) Disable(cap int) {
c.Call("disable", cap)
}
// Turns off a vertex attribute array at a specific index position.
func (c *Context) DisableVertexAttribArray(index int) {
c.Call("disableVertexAttribArray", index)
}
// Render geometric primitives from bound and enabled vertex data.
func (c *Context) DrawArrays(mode, first, count int) {
c.Call("drawArrays", mode, first, count)
}
// Renders geometric primitives indexed by element array data.
func (c *Context) DrawElements(mode, count, typ, offset int) {
c.Call("drawElements", mode, count, typ, offset)
}
// Turns on specific WebGL capabilities for this context.
func (c *Context) Enable(cap int) {
c.Call("enable", cap)
}
// Turns on a vertex attribute at a specific index position in
// a vertex attribute array.
func (c *Context) EnableVertexAttribArray(index int) {
c.Call("enableVertexAttribArray", index)
}
func (c *Context) Finish() {
c.Call("finish")
}
func (c *Context) Flush() {
c.Call("flush")
}
// Attaches a WebGLRenderbuffer object as a logical buffer to the
// currently bound WebGLFramebuffer object.
func (c *Context) FrameBufferRenderBuffer(target, attachment, renderbufferTarget int, renderbuffer *RenderBuffer) {
c.Call("framebufferRenderBuffer", target, attachment, renderbufferTarget, renderbuffer)
}
// Attaches a texture to a WebGLFramebuffer object.
func (c *Context) FramebufferTexture2D(target, attachment, textarget int, texture *Texture, level int) {
c.Call("framebufferTexture2D", target, attachment, textarget, texture, level)
}
// Sets whether or not polygons are considered front-facing based
// on their winding direction.
func (c *Context) FrontFace(mode int) {
c.Call("frontFace", mode)
}
// Creates a set of textures for a WebGLTexture object with image
// dimensions from the original size of the image down to a 1x1 image.
func (c *Context) GenerateMipmap(target int) {
c.Call("generateMipmap", target)
}
// Returns an WebGLActiveInfo object containing the size, type, and name
// of a vertex attribute at a specific index position in a program object.
func (c *Context) GetActiveAttrib(program *Program, index int) string {
return c.Call("getActiveAttrib", program.Object, index).String()
}
// Returns an WebGLActiveInfo object containing the size, type, and name
// of a uniform attribute at a specific index position in a program object.
func (c *Context) GetActiveUniform(program *Program, index int) string {
return c.Call("getActiveUniform", program.Object, index).String()
}
// Returns a slice of WebGLShaders bound to a WebGLProgram.
func (c *Context) GetAttachedShaders(program *Program) []*Shader {
objs := c.Call("getAttachedShaders", program.Object)
shaders := make([]*Shader, objs.Length())
for i := 0; i < objs.Length(); i++ {
shaders[i] = &Shader{objs.Index(i)}
}
return shaders
}
// Returns an index to the location in a program of a named attribute variable.
func (c *Context) GetAttribLocation(program *Program, name string) int {
return c.Call("getAttribLocation", program.Object, name).Int()
}
// Returns the type of a parameter for a given buffer.
func (c *Context) GetBufferParameter(target, pname int) int {
return c.Call("getBufferParameter", target, pname).Int()
}
// TODO: Create type specific variations.
// Returns the natural type value for a constant parameter.
func (c *Context) GetParameter(pname int) *js.Object {
return c.Call("getParameter", pname)
}
// Returns a value for the WebGL error flag and clears the flag.
func (c *Context) GetError() int {
return c.Call("getError").Int()
}
// TODO: Create type specific variations.
// Enables a passed extension, otherwise returns null.
func (c *Context) GetExtension(name string) *js.Object {
return c.Call("getExtension", name)
}
// TODO: Create type specific variations.
// Gets a parameter value for a given target and attachment.
func (c *Context) GetFramebufferAttachmentParameter(target, attachment, pname int) *js.Object {
return c.Call("getFramebufferAttachmentParameter", target, attachment, pname)
}
// Returns the value of the program parameter that corresponds to a supplied pname
// which is interpreted as an int.
func (c *Context) GetProgramParameteri(program *Program, pname int) int {
return c.Call("getProgramParameter", program.Object, pname).Int()
}
// Returns the value of the program parameter that corresponds to a supplied pname
// which is interpreted as a bool.
func (c *Context) GetProgramParameterb(program *Program, pname int) bool {
return c.Call("getProgramParameter", program.Object, pname).Bool()
}
// Returns information about the last error that occurred during
// the failed linking or validation of a WebGL program object.
func (c *Context) GetProgramInfoLog(program *Program) string {
return c.Call("getProgramInfoLog", program.Object).String()
}
// TODO: Create type specific variations.
// Returns a renderbuffer parameter from the currently bound WebGLRenderbuffer object.
func (c *Context) GetRenderbufferParameter(target, pname int) int {
return c.Call("getRenderbufferParameter", target, pname).Int()
}
// TODO: Create type specific variations.
// Returns the value of the parameter associated with pname for a shader object.
func (c *Context) GetShaderParameter(shader *Shader, pname int) *js.Object {
return c.Call("getShaderParameter", shader.Object, pname)
}
// Returns the value of the parameter associated with pname for a shader object.
func (c *Context) GetShaderParameterb(shader *Shader, pname int) bool {
return c.Call("getShaderParameter", shader.Object, pname).Bool()
}
// Returns errors which occur when compiling a shader.
func (c *Context) GetShaderInfoLog(shader *Shader) string {
return c.Call("getShaderInfoLog", shader.Object).String()
}
// Returns source code string associated with a shader object.
func (c *Context) GetShaderSource(shader *Shader) string {
return c.Call("getShaderSource", shader.Object).String()
}
// Returns a slice of supported extension strings.
func (c *Context) GetSupportedExtensions() []string {
ext := c.Call("getSupportedExtensions")
extensions := make([]string, ext.Length())
for i := 0; i < ext.Length(); i++ {
extensions[i] = ext.Index(i).String()
}
return extensions
}
// TODO: Create type specific variations.
// Returns the value for a parameter on an active texture unit.
func (c *Context) GetTexParameter(target, pname int) *js.Object {
return c.Call("getTexParameter", target, pname)
}
// TODO: Create type specific variations.
// Gets the uniform value for a specific location in a program.
func (c *Context) GetUniform(program *Program, location *UniformLocation) *js.Object {
return c.Call("getUniform", program.Object, location.Object)
}
// Returns a WebGLUniformLocation object for the location
// of a uniform variable within a WebGLProgram object.
func (c *Context) GetUniformLocation(program *Program, name string) *UniformLocation {
return &UniformLocation{c.Call("getUniformLocation", program.Object, name)}
}
// TODO: Create type specific variations.
// Returns data for a particular characteristic of a vertex
// attribute at an index in a vertex attribute array.
func (c *Context) GetVertexAttrib(index, pname int) *js.Object {
return c.Call("getVertexAttrib", index, pname)
}
// Returns the address of a specified vertex attribute.
func (c *Context) GetVertexAttribOffset(index, pname int) int {
return c.Call("getVertexAttribOffset", index, pname).Int()
}
// public function hint(target:GLenum, mode:GLenum) : Void;
// Returns true if buffer is valid, false otherwise.
func (c *Context) IsBuffer(buffer *js.Object) bool {
return c.Call("isBuffer", buffer).Bool()
}
// Returns whether the WebGL context has been lost.
func (c *Context) IsContextLost() bool {
return c.Call("isContextLost").Bool()
}
// Returns true if buffer is valid, false otherwise.
func (c *Context) IsFramebuffer(framebuffer *FrameBuffer) bool {
return c.Call("isFramebuffer", framebuffer.Object).Bool()
}
// Returns true if program object is valid, false otherwise.
func (c *Context) IsProgram(program *Program) bool {
return c.Call("isProgram", program.Object).Bool()
}
// Returns true if buffer is valid, false otherwise.
func (c *Context) IsRenderbuffer(renderbuffer *RenderBuffer) bool {
return c.Call("isRenderbuffer", renderbuffer.Object).Bool()
}
// Returns true if shader is valid, false otherwise.
func (c *Context) IsShader(shader *Shader) bool {
return c.Call("isShader", shader.Object).Bool()
}
// Returns true if texture is valid, false otherwise.
func (c *Context) IsTexture(texture *Texture) bool {
return c.Call("isTexture", texture.Object).Bool()
}
// Returns whether or not a WebGL capability is enabled for this context.
func (c *Context) IsEnabled(capability int) bool {
return c.Call("isEnabled", capability).Bool()
}
// Sets the width of lines in WebGL.
func (c *Context) LineWidth(width float64) {
c.Call("lineWidth", width)
}
// Links an attached vertex shader and an attached fragment shader
// to a program so it can be used by the graphics processing unit (GPU).
func (c *Context) LinkProgram(program *Program) {
c.Call("linkProgram", program.Object)
}
// Sets pixel storage modes for readPixels and unpacking of textures
// with texImage2D and texSubImage2D.
func (c *Context) PixelStorei(pname, param int) {
c.Call("pixelStorei", pname, param)
}
// Sets the implementation-specific units and scale factor
// used to calculate fragment depth values.
func (c *Context) PolygonOffset(factor, units float64) {
c.Call("polygonOffset", factor, units)
}
// TODO: Figure out if pixels should be a slice.
// Reads pixel data into an ArrayBufferView object from a
// rectangular area in the color buffer of the active frame buffer.
func (c *Context) ReadPixels(x, y, width, height, format, typ int, pixels *js.Object) {
c.Call("readPixels", x, y, width, height, format, typ, pixels)
}
// Creates or replaces the data store for the currently bound WebGLRenderbuffer object.
func (c *Context) RenderbufferStorage(target, internalFormat, width, height int) {
c.Call("renderbufferStorage", target, internalFormat, width, height)
}
// Sets the dimensions of the scissor box.
func (c *Context) Scissor(x, y, width, height int) {
c.Call("scissor", x, y, width, height)
}
// Sets and replaces shader source code in a shader object.
func (c *Context) ShaderSource(shader *Shader, source string) {
c.Call("shaderSource", shader.Object, source)
}
// public function stencilMask(mask:GLuint) : Void;
// public function stencilMaskSeparate(face:GLenum, mask:GLuint) : Void;
// Loads the supplied pixel data into a texture.
func (c *Context) TexImage2D(target, level, internalFormat, format, kind int, data interface{}) {
var pix *js.Object
if data == nil {
pix = nil
} else {
pix = data.(*js.Object)
}
c.Call("texImage2D", target, level, internalFormat, format, kind, pix)
}
// Sets texture parameters for the current texture unit.
func (c *Context) TexParameteri(target int, pname int, param int) {
c.Call("texParameteri", target, pname, param)
}
// Replaces a portion of an existing 2D texture image with all of another image.
func (c *Context) TexSubImage2D(target, level, xoffset, yoffset, format, typ int, image *js.Object) {
c.Call("texSubImage2D", target, level, xoffset, yoffset, format, typ, image)
}
// Assigns a floating point value to a uniform variable for the current program object.
func (c *Context) Uniform1f(location *UniformLocation, x float32) {
c.Call("uniform1f", location.Object, x)
}
// Assigns a integer value to a uniform variable for the current program object.
func (c *Context) Uniform1i(location *UniformLocation, x int) {
c.Call("uniform1i", location.Object, x)
}
// Assigns 2 floating point values to a uniform variable for the current program object.
func (c *Context) Uniform2f(location *UniformLocation, x, y float32) {
c.Call("uniform2f", location.Object, x, y)
}
// Assigns 2 integer values to a uniform variable for the current program object.
func (c *Context) Uniform2i(location *UniformLocation, x, y int) {
c.Call("uniform2i", location.Object, x, y)
}
// Assigns 3 floating point values to a uniform variable for the current program object.
func (c *Context) Uniform3f(location *UniformLocation, x, y, z float32) {
c.Call("uniform3f", location.Object, x, y, z)
}
// Assigns 3 integer values to a uniform variable for the current program object.
func (c *Context) Uniform3i(location *UniformLocation, x, y, z int) {
c.Call("uniform3i", location.Object, x, y, z)
}
// Assigns 4 floating point values to a uniform variable for the current program object.
func (c *Context) Uniform4f(location *UniformLocation, x, y, z, w float32) {
c.Call("uniform4f", location.Object, x, y, z, w)
}
// Assigns 4 integer values to a uniform variable for the current program object.
func (c *Context) Uniform4i(location *UniformLocation, x, y, z, w int) {
c.Call("uniform4i", location.Object, x, y, z, w)
}
// public function uniform1fv(location:WebGLUniformLocation, v:ArrayAccess<Float>) : Void;
// public function uniform1iv(location:WebGLUniformLocation, v:ArrayAccess<Long>) : Void;
// public function uniform2fv(location:WebGLUniformLocation, v:ArrayAccess<Float>) : Void;
// public function uniform2iv(location:WebGLUniformLocation, v:ArrayAccess<Long>) : Void;
// public function uniform3fv(location:WebGLUniformLocation, v:ArrayAccess<Float>) : Void;
// public function uniform3iv(location:WebGLUniformLocation, v:ArrayAccess<Long>) : Void;
// public function uniform4fv(location:WebGLUniformLocation, v:ArrayAccess<Float>) : Void;
// public function uniform4iv(location:WebGLUniformLocation, v:ArrayAccess<Long>) : Void;
// Sets values for a 2x2 floating point vector matrix into a
// uniform location as a matrix or a matrix array.
func (c *Context) UniformMatrix2fv(location *UniformLocation, transpose bool, value []float32) {
c.Call("uniformMatrix2fv", location.Object, transpose, value)
}
// Sets values for a 3x3 floating point vector matrix into a
// uniform location as a matrix or a matrix array.