1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "glUtils.h"
17 #include <string.h>
18 #include "ErrorLog.h"
19 #include <IOStream.h>
20
21 #include <GLES3/gl31.h>
22
isSamplerType(GLenum type)23 bool isSamplerType(GLenum type) {
24 switch (type) {
25 case GL_SAMPLER_2D:
26 case GL_SAMPLER_3D:
27 case GL_SAMPLER_CUBE:
28 case GL_SAMPLER_2D_SHADOW:
29 case GL_SAMPLER_2D_ARRAY:
30 case GL_SAMPLER_2D_ARRAY_SHADOW:
31 case GL_SAMPLER_2D_MULTISAMPLE:
32 case GL_SAMPLER_CUBE_SHADOW:
33 case GL_SAMPLER_BUFFER_OES:
34 case GL_INT_SAMPLER_2D:
35 case GL_INT_SAMPLER_3D:
36 case GL_INT_SAMPLER_CUBE:
37 case GL_INT_SAMPLER_2D_ARRAY:
38 case GL_INT_SAMPLER_2D_MULTISAMPLE:
39 case GL_INT_SAMPLER_BUFFER_OES:
40 case GL_UNSIGNED_INT_SAMPLER_2D:
41 case GL_UNSIGNED_INT_SAMPLER_3D:
42 case GL_UNSIGNED_INT_SAMPLER_CUBE:
43 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
44 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
45 case GL_UNSIGNED_INT_SAMPLER_BUFFER_OES:
46 return true;
47 default:
48 return false;
49 }
50 }
51
isIntegerType(GLenum type)52 bool isIntegerType(GLenum type) {
53 switch (type) {
54 case GL_UNSIGNED_INT:
55 case GL_INT:
56 case GL_INT_VEC2:
57 case GL_UNSIGNED_INT_VEC2:
58 case GL_INT_VEC3:
59 case GL_UNSIGNED_INT_VEC3:
60 case GL_INT_VEC4:
61 case GL_UNSIGNED_INT_VEC4:
62 case GL_INT_IMAGE_2D:
63 case GL_INT_IMAGE_3D:
64 case GL_INT_IMAGE_CUBE:
65 case GL_INT_IMAGE_2D_ARRAY:
66 case GL_INT_IMAGE_BUFFER_OES:
67 case GL_UNSIGNED_INT_IMAGE_2D:
68 case GL_UNSIGNED_INT_IMAGE_3D:
69 case GL_UNSIGNED_INT_IMAGE_CUBE:
70 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
71 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
72 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
73 return true;
74 default:
75 return false;
76 }
77 }
78
isUnsignedIntType(GLenum type)79 bool isUnsignedIntType(GLenum type) {
80 switch (type) {
81 case GL_UNSIGNED_INT:
82 case GL_UNSIGNED_INT_VEC2:
83 case GL_UNSIGNED_INT_VEC3:
84 case GL_UNSIGNED_INT_VEC4:
85 case GL_UNSIGNED_INT_IMAGE_2D:
86 case GL_UNSIGNED_INT_IMAGE_3D:
87 case GL_UNSIGNED_INT_IMAGE_CUBE:
88 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
89 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
90 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
91 return true;
92 default:
93 return false;
94 }
95 }
96
isBoolType(GLenum type)97 bool isBoolType(GLenum type) {
98 switch (type) {
99 case GL_BOOL:
100 case GL_BOOL_VEC2:
101 case GL_BOOL_VEC3:
102 case GL_BOOL_VEC4:
103 return true;
104 default:
105 return false;
106 }
107 }
108
getColumnsOfType(GLenum type)109 uint32_t getColumnsOfType(GLenum type) {
110 switch (type) {
111 case GL_BYTE:
112 case GL_UNSIGNED_BYTE:
113 case GL_SHORT:
114 case GL_UNSIGNED_SHORT:
115 case GL_HALF_FLOAT:
116 case GL_HALF_FLOAT_OES:
117 case GL_IMAGE_2D:
118 case GL_IMAGE_3D:
119 case GL_UNSIGNED_INT:
120 case GL_INT:
121 case GL_FLOAT:
122 case GL_FIXED:
123 case GL_BOOL:
124 return 1;
125 #ifdef GL_DOUBLE
126 case GL_DOUBLE:
127 return 1;
128 case GL_DOUBLE_VEC2:
129 case GL_DOUBLE_MAT2:
130 case GL_DOUBLE_MAT2x3:
131 case GL_DOUBLE_MAT2x4:
132 return 2;
133 case GL_DOUBLE_VEC3:
134 case GL_DOUBLE_MAT3:
135 case GL_DOUBLE_MAT3x2:
136 case GL_DOUBLE_MAT3x4:
137 return 3;
138 case GL_DOUBLE_VEC4:
139 case GL_DOUBLE_MAT4:
140 case GL_DOUBLE_MAT4x2:
141 case GL_DOUBLE_MAT4x3:
142 return 4;
143 #endif
144 case GL_FLOAT_VEC2:
145 case GL_INT_VEC2:
146 case GL_UNSIGNED_INT_VEC2:
147 case GL_BOOL_VEC2:
148 case GL_FLOAT_MAT2:
149 case GL_FLOAT_MAT2x3:
150 case GL_FLOAT_MAT2x4:
151 return 2;
152 case GL_INT_VEC3:
153 case GL_UNSIGNED_INT_VEC3:
154 case GL_BOOL_VEC3:
155 case GL_FLOAT_VEC3:
156 case GL_FLOAT_MAT3:
157 case GL_FLOAT_MAT3x2:
158 case GL_FLOAT_MAT3x4:
159 return 3;
160 case GL_FLOAT_VEC4:
161 case GL_BOOL_VEC4:
162 case GL_INT_VEC4:
163 case GL_UNSIGNED_INT_VEC4:
164 case GL_FLOAT_MAT4:
165 case GL_FLOAT_MAT4x2:
166 case GL_FLOAT_MAT4x3:
167 return 4;
168 case GL_SAMPLER_2D:
169 case GL_SAMPLER_3D:
170 case GL_SAMPLER_CUBE:
171 case GL_SAMPLER_2D_SHADOW:
172 case GL_SAMPLER_2D_ARRAY:
173 case GL_SAMPLER_2D_ARRAY_SHADOW:
174 case GL_SAMPLER_2D_MULTISAMPLE:
175 case GL_SAMPLER_CUBE_SHADOW:
176 case GL_SAMPLER_BUFFER_OES:
177 case GL_INT_SAMPLER_2D:
178 case GL_INT_SAMPLER_3D:
179 case GL_INT_SAMPLER_CUBE:
180 case GL_INT_SAMPLER_2D_ARRAY:
181 case GL_INT_SAMPLER_2D_MULTISAMPLE:
182 case GL_INT_SAMPLER_BUFFER_OES:
183 case GL_UNSIGNED_INT_SAMPLER_2D:
184 case GL_UNSIGNED_INT_SAMPLER_3D:
185 case GL_UNSIGNED_INT_SAMPLER_CUBE:
186 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
187 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
188 case GL_UNSIGNED_INT_SAMPLER_BUFFER_OES:
189 case GL_IMAGE_CUBE:
190 case GL_IMAGE_2D_ARRAY:
191 case GL_IMAGE_BUFFER_OES:
192 case GL_INT_IMAGE_2D:
193 case GL_INT_IMAGE_3D:
194 case GL_INT_IMAGE_CUBE:
195 case GL_INT_IMAGE_2D_ARRAY:
196 case GL_INT_IMAGE_BUFFER_OES:
197 case GL_UNSIGNED_INT_IMAGE_2D:
198 case GL_UNSIGNED_INT_IMAGE_3D:
199 case GL_UNSIGNED_INT_IMAGE_CUBE:
200 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
201 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
202 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
203 default:
204 return 1;
205 }
206 }
207
getRowsOfType(GLenum type)208 uint32_t getRowsOfType(GLenum type) {
209 switch (type) {
210 case GL_BYTE:
211 case GL_UNSIGNED_BYTE:
212 case GL_SHORT:
213 case GL_UNSIGNED_SHORT:
214 case GL_HALF_FLOAT:
215 case GL_HALF_FLOAT_OES:
216 case GL_IMAGE_2D:
217 case GL_IMAGE_3D:
218 case GL_UNSIGNED_INT:
219 case GL_INT:
220 case GL_FLOAT:
221 case GL_FIXED:
222 case GL_BOOL:
223 return 1;
224 #ifdef GL_DOUBLE
225 case GL_DOUBLE:
226 case GL_DOUBLE_VEC2:
227 case GL_DOUBLE_VEC3:
228 case GL_DOUBLE_VEC4:
229 return 1;
230 case GL_DOUBLE_MAT2:
231 case GL_DOUBLE_MAT3x2:
232 case GL_DOUBLE_MAT4x2:
233 return 2;
234 case GL_DOUBLE_MAT3:
235 case GL_DOUBLE_MAT2x3:
236 case GL_DOUBLE_MAT4x3:
237 return 3;
238 case GL_DOUBLE_MAT4:
239 case GL_DOUBLE_MAT3x4:
240 case GL_DOUBLE_MAT2x4:
241 return 4;
242 #endif
243 case GL_FLOAT_VEC2:
244 case GL_INT_VEC2:
245 case GL_UNSIGNED_INT_VEC2:
246 case GL_BOOL_VEC2:
247 case GL_INT_VEC3:
248 case GL_UNSIGNED_INT_VEC3:
249 case GL_BOOL_VEC3:
250 case GL_FLOAT_VEC3:
251 case GL_FLOAT_VEC4:
252 case GL_BOOL_VEC4:
253 case GL_INT_VEC4:
254 case GL_UNSIGNED_INT_VEC4:
255 return 1;
256 case GL_FLOAT_MAT2:
257 case GL_FLOAT_MAT3x2:
258 case GL_FLOAT_MAT4x2:
259 return 2;
260 case GL_FLOAT_MAT3:
261 case GL_FLOAT_MAT2x3:
262 case GL_FLOAT_MAT4x3:
263 return 3;
264 case GL_FLOAT_MAT4:
265 case GL_FLOAT_MAT2x4:
266 case GL_FLOAT_MAT3x4:
267 return 4;
268 case GL_SAMPLER_2D:
269 case GL_SAMPLER_3D:
270 case GL_SAMPLER_CUBE:
271 case GL_SAMPLER_2D_SHADOW:
272 case GL_SAMPLER_2D_ARRAY:
273 case GL_SAMPLER_2D_ARRAY_SHADOW:
274 case GL_SAMPLER_2D_MULTISAMPLE:
275 case GL_SAMPLER_CUBE_SHADOW:
276 case GL_SAMPLER_BUFFER_OES:
277 case GL_INT_SAMPLER_2D:
278 case GL_INT_SAMPLER_3D:
279 case GL_INT_SAMPLER_CUBE:
280 case GL_INT_SAMPLER_2D_ARRAY:
281 case GL_INT_SAMPLER_2D_MULTISAMPLE:
282 case GL_INT_SAMPLER_BUFFER_OES:
283 case GL_UNSIGNED_INT_SAMPLER_2D:
284 case GL_UNSIGNED_INT_SAMPLER_3D:
285 case GL_UNSIGNED_INT_SAMPLER_CUBE:
286 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
287 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
288 case GL_UNSIGNED_INT_SAMPLER_BUFFER_OES:
289 case GL_IMAGE_CUBE:
290 case GL_IMAGE_2D_ARRAY:
291 case GL_IMAGE_BUFFER_OES:
292 case GL_INT_IMAGE_2D:
293 case GL_INT_IMAGE_3D:
294 case GL_INT_IMAGE_CUBE:
295 case GL_INT_IMAGE_2D_ARRAY:
296 case GL_INT_IMAGE_BUFFER_OES:
297 case GL_UNSIGNED_INT_IMAGE_2D:
298 case GL_UNSIGNED_INT_IMAGE_3D:
299 case GL_UNSIGNED_INT_IMAGE_CUBE:
300 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
301 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
302 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
303 default:
304 return 1;
305 }
306 }
307
getAttributeCountOfType(GLenum type)308 uint32_t getAttributeCountOfType(GLenum type) {
309 switch (type) {
310 case GL_BYTE:
311 case GL_UNSIGNED_BYTE:
312 case GL_SHORT:
313 case GL_UNSIGNED_SHORT:
314 case GL_HALF_FLOAT:
315 case GL_HALF_FLOAT_OES:
316 case GL_IMAGE_2D:
317 case GL_IMAGE_3D:
318 case GL_UNSIGNED_INT:
319 case GL_INT:
320 case GL_FLOAT:
321 case GL_FIXED:
322 case GL_BOOL:
323 return 1;
324 #ifdef GL_DOUBLE
325 case GL_DOUBLE:
326 case GL_DOUBLE_VEC2:
327 case GL_DOUBLE_VEC3:
328 case GL_DOUBLE_VEC4:
329 return 1;
330 case GL_DOUBLE_MAT2:
331 case GL_DOUBLE_MAT2x3:
332 case GL_DOUBLE_MAT2x4:
333 return 4;
334 case GL_DOUBLE_MAT3:
335 case GL_DOUBLE_MAT3x2:
336 case GL_DOUBLE_MAT3x4:
337 return 6;
338 case GL_DOUBLE_MAT4:
339 case GL_DOUBLE_MAT4x2:
340 case GL_DOUBLE_MAT4x3:
341 return 8;
342 #endif
343 case GL_FLOAT_VEC2:
344 case GL_INT_VEC2:
345 case GL_UNSIGNED_INT_VEC2:
346 case GL_BOOL_VEC2:
347 case GL_INT_VEC3:
348 case GL_UNSIGNED_INT_VEC3:
349 case GL_BOOL_VEC3:
350 case GL_FLOAT_VEC3:
351 case GL_FLOAT_VEC4:
352 case GL_BOOL_VEC4:
353 case GL_INT_VEC4:
354 case GL_UNSIGNED_INT_VEC4:
355 return 1;
356 case GL_FLOAT_MAT2:
357 case GL_FLOAT_MAT2x3:
358 case GL_FLOAT_MAT2x4:
359 return 2;
360 case GL_FLOAT_MAT3:
361 case GL_FLOAT_MAT3x2:
362 case GL_FLOAT_MAT3x4:
363 return 3;
364 case GL_FLOAT_MAT4:
365 case GL_FLOAT_MAT4x2:
366 case GL_FLOAT_MAT4x3:
367 return 4;
368 case GL_SAMPLER_2D:
369 case GL_SAMPLER_3D:
370 case GL_SAMPLER_CUBE:
371 case GL_SAMPLER_2D_SHADOW:
372 case GL_SAMPLER_2D_ARRAY:
373 case GL_SAMPLER_2D_ARRAY_SHADOW:
374 case GL_SAMPLER_2D_MULTISAMPLE:
375 case GL_SAMPLER_CUBE_SHADOW:
376 case GL_SAMPLER_BUFFER_OES:
377 case GL_INT_SAMPLER_2D:
378 case GL_INT_SAMPLER_3D:
379 case GL_INT_SAMPLER_CUBE:
380 case GL_INT_SAMPLER_2D_ARRAY:
381 case GL_INT_SAMPLER_2D_MULTISAMPLE:
382 case GL_INT_SAMPLER_BUFFER_OES:
383 case GL_UNSIGNED_INT_SAMPLER_2D:
384 case GL_UNSIGNED_INT_SAMPLER_3D:
385 case GL_UNSIGNED_INT_SAMPLER_CUBE:
386 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
387 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
388 case GL_UNSIGNED_INT_SAMPLER_BUFFER_OES:
389 case GL_IMAGE_CUBE:
390 case GL_IMAGE_2D_ARRAY:
391 case GL_IMAGE_BUFFER_OES:
392 case GL_INT_IMAGE_2D:
393 case GL_INT_IMAGE_3D:
394 case GL_INT_IMAGE_CUBE:
395 case GL_INT_IMAGE_2D_ARRAY:
396 case GL_INT_IMAGE_BUFFER_OES:
397 case GL_UNSIGNED_INT_IMAGE_2D:
398 case GL_UNSIGNED_INT_IMAGE_3D:
399 case GL_UNSIGNED_INT_IMAGE_CUBE:
400 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
401 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
402 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
403 default:
404 return 1;
405 }
406 }
407
glSizeof(GLenum type)408 size_t glSizeof(GLenum type)
409 {
410 size_t retval = 0;
411 switch(type) {
412 case GL_BYTE:
413 case GL_UNSIGNED_BYTE:
414 retval = 1;
415 break;
416 case GL_SHORT:
417 case GL_UNSIGNED_SHORT:
418 case GL_HALF_FLOAT:
419 case GL_HALF_FLOAT_OES:
420 retval = 2;
421 break;
422 case GL_IMAGE_2D:
423 case GL_IMAGE_3D:
424 case GL_UNSIGNED_INT:
425 case GL_INT:
426 case GL_FLOAT:
427 case GL_FIXED:
428 case GL_BOOL:
429 retval = 4;
430 break;
431 #ifdef GL_DOUBLE
432 case GL_DOUBLE:
433 retval = 8;
434 break;
435 case GL_DOUBLE_VEC2:
436 retval = 16;
437 break;
438 case GL_DOUBLE_VEC3:
439 retval = 24;
440 break;
441 case GL_DOUBLE_VEC4:
442 retval = 32;
443 break;
444 case GL_DOUBLE_MAT2:
445 retval = 8 * 4;
446 break;
447 case GL_DOUBLE_MAT3:
448 retval = 8 * 9;
449 break;
450 case GL_DOUBLE_MAT4:
451 retval = 8 * 16;
452 break;
453 case GL_DOUBLE_MAT2x3:
454 case GL_DOUBLE_MAT3x2:
455 retval = 8 * 6;
456 break;
457 case GL_DOUBLE_MAT2x4:
458 case GL_DOUBLE_MAT4x2:
459 retval = 8 * 8;
460 break;
461 case GL_DOUBLE_MAT3x4:
462 case GL_DOUBLE_MAT4x3:
463 retval = 8 * 12;
464 break;
465 #endif
466 case GL_FLOAT_VEC2:
467 case GL_INT_VEC2:
468 case GL_UNSIGNED_INT_VEC2:
469 case GL_BOOL_VEC2:
470 retval = 8;
471 break;
472 case GL_INT_VEC3:
473 case GL_UNSIGNED_INT_VEC3:
474 case GL_BOOL_VEC3:
475 case GL_FLOAT_VEC3:
476 retval = 12;
477 break;
478 case GL_FLOAT_VEC4:
479 case GL_BOOL_VEC4:
480 case GL_INT_VEC4:
481 case GL_UNSIGNED_INT_VEC4:
482 case GL_FLOAT_MAT2:
483 retval = 16;
484 break;
485 case GL_FLOAT_MAT3:
486 retval = 36;
487 break;
488 case GL_FLOAT_MAT4:
489 retval = 64;
490 break;
491 case GL_FLOAT_MAT2x3:
492 case GL_FLOAT_MAT3x2:
493 retval = 4 * 6;
494 break;
495 case GL_FLOAT_MAT2x4:
496 case GL_FLOAT_MAT4x2:
497 retval = 4 * 8;
498 break;
499 case GL_FLOAT_MAT3x4:
500 case GL_FLOAT_MAT4x3:
501 retval = 4 * 12;
502 break;
503 case GL_SAMPLER_2D:
504 case GL_SAMPLER_3D:
505 case GL_SAMPLER_CUBE:
506 case GL_SAMPLER_2D_SHADOW:
507 case GL_SAMPLER_2D_ARRAY:
508 case GL_SAMPLER_2D_ARRAY_SHADOW:
509 case GL_SAMPLER_2D_MULTISAMPLE:
510 case GL_SAMPLER_CUBE_SHADOW:
511 case GL_SAMPLER_BUFFER_OES:
512 case GL_INT_SAMPLER_2D:
513 case GL_INT_SAMPLER_3D:
514 case GL_INT_SAMPLER_CUBE:
515 case GL_INT_SAMPLER_2D_ARRAY:
516 case GL_INT_SAMPLER_2D_MULTISAMPLE:
517 case GL_INT_SAMPLER_BUFFER_OES:
518 case GL_UNSIGNED_INT_SAMPLER_2D:
519 case GL_UNSIGNED_INT_SAMPLER_3D:
520 case GL_UNSIGNED_INT_SAMPLER_CUBE:
521 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
522 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
523 case GL_UNSIGNED_INT_SAMPLER_BUFFER_OES:
524 case GL_IMAGE_CUBE:
525 case GL_IMAGE_2D_ARRAY:
526 case GL_IMAGE_BUFFER_OES:
527 case GL_INT_IMAGE_2D:
528 case GL_INT_IMAGE_3D:
529 case GL_INT_IMAGE_CUBE:
530 case GL_INT_IMAGE_2D_ARRAY:
531 case GL_INT_IMAGE_BUFFER_OES:
532 case GL_UNSIGNED_INT_IMAGE_2D:
533 case GL_UNSIGNED_INT_IMAGE_3D:
534 case GL_UNSIGNED_INT_IMAGE_CUBE:
535 case GL_UNSIGNED_INT_IMAGE_2D_ARRAY:
536 case GL_UNSIGNED_INT_ATOMIC_COUNTER:
537 case GL_UNSIGNED_INT_IMAGE_BUFFER_OES:
538 retval = 4;
539 break;
540 case GL_UNSIGNED_SHORT_4_4_4_4:
541 case GL_UNSIGNED_SHORT_5_5_5_1:
542 case GL_UNSIGNED_SHORT_5_6_5:
543 case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
544 case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
545 retval = 2;
546 break;
547 case GL_INT_2_10_10_10_REV:
548 case GL_UNSIGNED_INT_10F_11F_11F_REV:
549 case GL_UNSIGNED_INT_5_9_9_9_REV:
550 case GL_UNSIGNED_INT_2_10_10_10_REV:
551 case GL_UNSIGNED_INT_24_8_OES:;
552 retval = 4;
553 break;
554 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
555 retval = 4 + 4;
556 break;
557 default:
558 ALOGE("**** ERROR unknown type 0x%x (%s,%d)\n", type, __FUNCTION__,__LINE__);
559 retval = 4;
560 }
561 return retval;
562
563 }
564
glUtilsParamSize(GLenum param)565 size_t glUtilsParamSize(GLenum param)
566 {
567 size_t s = 0;
568
569 switch(param)
570 {
571 case GL_DEPTH_TEST:
572 case GL_DEPTH_FUNC:
573 case GL_DEPTH_BITS:
574 case GL_MAX_CLIP_PLANES:
575 case GL_MAX_COLOR_ATTACHMENTS:
576 case GL_MAX_DRAW_BUFFERS:
577 case GL_GREEN_BITS:
578 case GL_MAX_MODELVIEW_STACK_DEPTH:
579 case GL_MAX_PROJECTION_STACK_DEPTH:
580 case GL_MAX_TEXTURE_STACK_DEPTH:
581 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
582 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
583 case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
584 case GL_MAX_TEXTURE_SIZE:
585 case GL_TEXTURE_GEN_MODE_OES:
586 case GL_TEXTURE_ENV_MODE:
587 case GL_FOG_MODE:
588 case GL_FOG_DENSITY:
589 case GL_FOG_START:
590 case GL_FOG_END:
591 case GL_SPOT_EXPONENT:
592 case GL_CONSTANT_ATTENUATION:
593 case GL_LINEAR_ATTENUATION:
594 case GL_QUADRATIC_ATTENUATION:
595 case GL_SHININESS:
596 case GL_LIGHT_MODEL_TWO_SIDE:
597 case GL_POINT_SIZE:
598 case GL_POINT_SIZE_MIN:
599 case GL_POINT_SIZE_MAX:
600 case GL_POINT_FADE_THRESHOLD_SIZE:
601 case GL_CULL_FACE:
602 case GL_CULL_FACE_MODE:
603 case GL_FRONT_FACE:
604 case GL_SHADE_MODEL:
605 case GL_DEPTH_WRITEMASK:
606 case GL_DEPTH_CLEAR_VALUE:
607 case GL_STENCIL_FAIL:
608 case GL_STENCIL_PASS_DEPTH_FAIL:
609 case GL_STENCIL_PASS_DEPTH_PASS:
610 case GL_STENCIL_REF:
611 case GL_STENCIL_WRITEMASK:
612 case GL_MATRIX_MODE:
613 case GL_MODELVIEW_STACK_DEPTH:
614 case GL_PROJECTION_STACK_DEPTH:
615 case GL_TEXTURE_STACK_DEPTH:
616 case GL_ALPHA_TEST_FUNC:
617 case GL_ALPHA_TEST_REF:
618 case GL_ALPHA_TEST:
619 case GL_DITHER:
620 case GL_BLEND_DST:
621 case GL_BLEND_SRC:
622 case GL_BLEND:
623 case GL_LOGIC_OP_MODE:
624 case GL_SCISSOR_TEST:
625 case GL_MAX_TEXTURE_UNITS:
626 case GL_ACTIVE_TEXTURE:
627 case GL_ALPHA_BITS:
628 case GL_ARRAY_BUFFER_BINDING:
629 case GL_BLUE_BITS:
630 case GL_CLIENT_ACTIVE_TEXTURE:
631 case GL_CLIP_PLANE0:
632 case GL_CLIP_PLANE1:
633 case GL_CLIP_PLANE2:
634 case GL_CLIP_PLANE3:
635 case GL_CLIP_PLANE4:
636 case GL_CLIP_PLANE5:
637 case GL_COLOR_ARRAY:
638 case GL_COLOR_ARRAY_BUFFER_BINDING:
639 case GL_COLOR_ARRAY_SIZE:
640 case GL_COLOR_ARRAY_STRIDE:
641 case GL_COLOR_ARRAY_TYPE:
642 case GL_COLOR_LOGIC_OP:
643 case GL_COLOR_MATERIAL:
644 case GL_PACK_ALIGNMENT:
645 case GL_PERSPECTIVE_CORRECTION_HINT:
646 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
647 case GL_POINT_SIZE_ARRAY_STRIDE_OES:
648 case GL_POINT_SIZE_ARRAY_TYPE_OES:
649 case GL_POINT_SMOOTH:
650 case GL_POINT_SMOOTH_HINT:
651 case GL_POINT_SPRITE_OES:
652 case GL_COORD_REPLACE_OES:
653 case GL_COMBINE_ALPHA:
654 case GL_SRC0_RGB:
655 case GL_SRC1_RGB:
656 case GL_SRC2_RGB:
657 case GL_OPERAND0_RGB:
658 case GL_OPERAND1_RGB:
659 case GL_OPERAND2_RGB:
660 case GL_SRC0_ALPHA:
661 case GL_SRC1_ALPHA:
662 case GL_SRC2_ALPHA:
663 case GL_OPERAND0_ALPHA:
664 case GL_OPERAND1_ALPHA:
665 case GL_OPERAND2_ALPHA:
666 case GL_RGB_SCALE:
667 case GL_ALPHA_SCALE:
668 case GL_COMBINE_RGB:
669 case GL_POLYGON_OFFSET_FACTOR:
670 case GL_POLYGON_OFFSET_FILL:
671 case GL_POLYGON_OFFSET_UNITS:
672 case GL_RED_BITS:
673 case GL_RESCALE_NORMAL:
674 case GL_SAMPLE_ALPHA_TO_COVERAGE:
675 case GL_SAMPLE_ALPHA_TO_ONE:
676 case GL_SAMPLE_BUFFERS:
677 case GL_SAMPLE_COVERAGE:
678 case GL_SAMPLE_COVERAGE_INVERT:
679 case GL_SAMPLE_COVERAGE_VALUE:
680 case GL_SAMPLES:
681 case GL_MAX_SAMPLES_EXT:
682 case GL_STENCIL_BITS:
683 case GL_STENCIL_CLEAR_VALUE:
684 case GL_STENCIL_FUNC:
685 case GL_STENCIL_TEST:
686 case GL_STENCIL_VALUE_MASK:
687 case GL_STENCIL_BACK_FUNC:
688 case GL_STENCIL_BACK_VALUE_MASK:
689 case GL_STENCIL_BACK_REF:
690 case GL_STENCIL_BACK_FAIL:
691 case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
692 case GL_STENCIL_BACK_PASS_DEPTH_PASS:
693 case GL_STENCIL_BACK_WRITEMASK:
694 case GL_TEXTURE_2D:
695 case GL_TEXTURE_BASE_LEVEL:
696 case GL_TEXTURE_BINDING_2D:
697 case GL_TEXTURE_BINDING_CUBE_MAP:
698 case GL_TEXTURE_BINDING_EXTERNAL_OES:
699 case GL_TEXTURE_COMPARE_FUNC:
700 case GL_TEXTURE_COMPARE_MODE:
701 case GL_TEXTURE_COORD_ARRAY:
702 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
703 case GL_TEXTURE_COORD_ARRAY_SIZE:
704 case GL_TEXTURE_COORD_ARRAY_STRIDE:
705 case GL_TEXTURE_COORD_ARRAY_TYPE:
706 case GL_TEXTURE_IMMUTABLE_FORMAT:
707 case GL_UNPACK_ALIGNMENT:
708 case GL_VERTEX_ARRAY:
709 case GL_VERTEX_ARRAY_BUFFER_BINDING:
710 case GL_VERTEX_ARRAY_SIZE:
711 case GL_VERTEX_ARRAY_STRIDE:
712 case GL_VERTEX_ARRAY_TYPE:
713 case GL_SPOT_CUTOFF:
714 case GL_TEXTURE_MIN_FILTER:
715 case GL_TEXTURE_MAG_FILTER:
716 case GL_TEXTURE_MAX_LOD:
717 case GL_TEXTURE_MIN_LOD:
718 case GL_TEXTURE_WRAP_S:
719 case GL_TEXTURE_WRAP_T:
720 case GL_TEXTURE_WRAP_R:
721 case GL_TEXTURE_SWIZZLE_R:
722 case GL_TEXTURE_SWIZZLE_G:
723 case GL_TEXTURE_SWIZZLE_B:
724 case GL_TEXTURE_SWIZZLE_A:
725 case GL_GENERATE_MIPMAP:
726 case GL_GENERATE_MIPMAP_HINT:
727 case GL_RENDERBUFFER_WIDTH_OES:
728 case GL_RENDERBUFFER_HEIGHT_OES:
729 case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
730 case GL_RENDERBUFFER_RED_SIZE_OES:
731 case GL_RENDERBUFFER_GREEN_SIZE_OES:
732 case GL_RENDERBUFFER_BLUE_SIZE_OES:
733 case GL_RENDERBUFFER_ALPHA_SIZE_OES:
734 case GL_RENDERBUFFER_DEPTH_SIZE_OES:
735 case GL_RENDERBUFFER_STENCIL_SIZE_OES:
736 case GL_RENDERBUFFER_BINDING:
737 case GL_FRAMEBUFFER_BINDING:
738 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
739 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
740 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
741 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_OES:
742 case GL_FENCE_STATUS_NV:
743 case GL_FENCE_CONDITION_NV:
744 case GL_TEXTURE_WIDTH_QCOM:
745 case GL_TEXTURE_HEIGHT_QCOM:
746 case GL_TEXTURE_DEPTH_QCOM:
747 case GL_TEXTURE_INTERNAL_FORMAT_QCOM:
748 case GL_TEXTURE_FORMAT_QCOM:
749 case GL_TEXTURE_TYPE_QCOM:
750 case GL_TEXTURE_IMAGE_VALID_QCOM:
751 case GL_TEXTURE_NUM_LEVELS_QCOM:
752 case GL_TEXTURE_TARGET_QCOM:
753 case GL_TEXTURE_OBJECT_VALID_QCOM:
754 case GL_BLEND_EQUATION_RGB_OES:
755 case GL_BLEND_EQUATION_ALPHA_OES:
756 case GL_BLEND_DST_RGB_OES:
757 case GL_BLEND_SRC_RGB_OES:
758 case GL_BLEND_DST_ALPHA_OES:
759 case GL_BLEND_SRC_ALPHA_OES:
760 case GL_MAX_LIGHTS:
761 case GL_SHADER_TYPE:
762 case GL_COMPILE_STATUS:
763 case GL_SHADER_SOURCE_LENGTH:
764 case GL_CURRENT_PROGRAM:
765 case GL_SUBPIXEL_BITS:
766 case GL_MAX_3D_TEXTURE_SIZE:
767 case GL_MAX_ARRAY_TEXTURE_LAYERS:
768 case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
769 case GL_NUM_SHADER_BINARY_FORMATS:
770 case GL_SHADER_COMPILER:
771 case GL_MAX_VERTEX_ATTRIBS:
772 case GL_MAX_VERTEX_UNIFORM_VECTORS:
773 case GL_MAX_VARYING_VECTORS:
774 case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
775 case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
776 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
777 case GL_MAX_RENDERBUFFER_SIZE:
778 case GL_MAX_TEXTURE_IMAGE_UNITS:
779 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
780 case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
781 case GL_LINE_WIDTH:
782 case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
783 case GL_MAX_UNIFORM_BUFFER_BINDINGS:
784 case GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS:
785 case GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS:
786 case GL_UNIFORM_BLOCK_BINDING:
787 case GL_UNIFORM_BLOCK_DATA_SIZE:
788 case GL_UNIFORM_BLOCK_NAME_LENGTH:
789 case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
790 case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
791 case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
792 case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
793 case GL_CURRENT_QUERY:
794 case GL_QUERY_RESULT:
795 case GL_QUERY_RESULT_AVAILABLE:
796 case GL_READ_BUFFER:
797 case GL_NUM_PROGRAM_BINARY_FORMATS:
798 case GL_PROGRAM_BINARY_FORMATS:
799
800 case GL_ACTIVE_ATOMIC_COUNTER_BUFFERS:
801 case GL_ACTIVE_ATTRIBUTES:
802 case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
803 case GL_ACTIVE_UNIFORM_BLOCKS:
804 case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
805 case GL_ACTIVE_UNIFORMS:
806 case GL_ACTIVE_UNIFORM_MAX_LENGTH:
807 case GL_ATTACHED_SHADERS:
808 case GL_DELETE_STATUS:
809 case GL_INFO_LOG_LENGTH:
810 case GL_LINK_STATUS:
811 case GL_PROGRAM_BINARY_LENGTH:
812 case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
813 case GL_PROGRAM_SEPARABLE:
814 case GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT:
815 case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
816 case GL_TRANSFORM_FEEDBACK_VARYINGS:
817 case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
818 case GL_TRANSFORM_FEEDBACK_ACTIVE:
819 #define GL_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A
820 #define GL_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80
821 case GL_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
822 case GL_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
823 case GL_VALIDATE_STATUS:
824 s = 1;
825 break;
826 case GL_ALIASED_LINE_WIDTH_RANGE:
827 case GL_ALIASED_POINT_SIZE_RANGE:
828 case GL_DEPTH_RANGE:
829 case GL_MAX_VIEWPORT_DIMS:
830 case GL_SMOOTH_POINT_SIZE_RANGE:
831 case GL_SMOOTH_LINE_WIDTH_RANGE:
832 case GL_SAMPLE_POSITION:
833 s= 2;
834 break;
835 case GL_SPOT_DIRECTION:
836 case GL_POINT_DISTANCE_ATTENUATION:
837 case GL_CURRENT_NORMAL:
838 case GL_COMPUTE_WORK_GROUP_SIZE:
839 s = 3;
840 break;
841 case GL_CURRENT_VERTEX_ATTRIB:
842 case GL_CURRENT_TEXTURE_COORDS:
843 case GL_CURRENT_COLOR:
844 case GL_FOG_COLOR:
845 case GL_AMBIENT:
846 case GL_DIFFUSE:
847 case GL_SPECULAR:
848 case GL_EMISSION:
849 case GL_POSITION:
850 case GL_LIGHT_MODEL_AMBIENT:
851 case GL_TEXTURE_ENV_COLOR:
852 case GL_SCISSOR_BOX:
853 case GL_VIEWPORT:
854 case GL_TEXTURE_CROP_RECT_OES:
855 case GL_COLOR_CLEAR_VALUE:
856 case GL_COLOR_WRITEMASK:
857 case GL_AMBIENT_AND_DIFFUSE:
858 case GL_BLEND_COLOR:
859 s = 4;
860 break;
861 case GL_MODELVIEW_MATRIX:
862 case GL_PROJECTION_MATRIX:
863 case GL_TEXTURE_MATRIX:
864 s = 16;
865 break;
866 default:
867 s = 1; // assume 1 for everything else
868 }
869 return s;
870 }
871
glUtilsPackPointerData(unsigned char * dst,unsigned char * src,int size,GLenum type,unsigned int stride,unsigned int datalen)872 void glUtilsPackPointerData(unsigned char *dst, unsigned char *src,
873 int size, GLenum type, unsigned int stride,
874 unsigned int datalen)
875 {
876 unsigned int vsize = size * glSizeof(type);
877 switch (type) {
878 case GL_INT_2_10_10_10_REV:
879 case GL_UNSIGNED_INT_2_10_10_10_REV:
880 vsize = vsize / 4;
881 break;
882 default:
883 break;
884 }
885
886 if (stride == 0) stride = vsize;
887
888 if (stride == vsize) {
889 memcpy(dst, src, datalen);
890 } else {
891 for (unsigned int i = 0; i < datalen; i += vsize) {
892 memcpy(dst, src, vsize);
893 dst += vsize;
894 src += stride;
895 }
896 }
897 }
898
glUtilsWritePackPointerData(void * _stream,unsigned char * src,int size,GLenum type,unsigned int stride,unsigned int datalen)899 void glUtilsWritePackPointerData(void* _stream, unsigned char *src,
900 int size, GLenum type, unsigned int stride,
901 unsigned int datalen)
902 {
903 IOStream* stream = reinterpret_cast<IOStream*>(_stream);
904
905 unsigned int vsize = size * glSizeof(type);
906 if (stride == 0) stride = vsize;
907
908 if (stride == vsize) {
909 stream->writeFully(src, datalen);
910 } else {
911 for (unsigned int i = 0; i < datalen; i += vsize) {
912 stream->writeFully(src, (size_t)vsize);
913 src += stride;
914 }
915 }
916 }
917
918 #ifndef GL_RGBA16F
919 #define GL_RGBA16F 0x881A
920 #endif // GL_RGBA16F
921
glUtilsPixelBitSize(GLenum format,GLenum type)922 int glUtilsPixelBitSize(GLenum format, GLenum type)
923 {
924 int components = 0;
925 int componentsize = 0;
926 int pixelsize = 0;
927 switch(type) {
928 case GL_BYTE:
929 case GL_UNSIGNED_BYTE:
930 componentsize = 8;
931 break;
932 case GL_SHORT:
933 case GL_HALF_FLOAT:
934 case GL_UNSIGNED_SHORT:
935 componentsize = 16;
936 break;
937 case GL_INT:
938 case GL_UNSIGNED_INT:
939 case GL_FLOAT:
940 case GL_FIXED:
941 componentsize = 32;
942 break;
943 case GL_UNSIGNED_SHORT_5_6_5:
944 case GL_UNSIGNED_SHORT_4_4_4_4:
945 case GL_UNSIGNED_SHORT_5_5_5_1:
946 case GL_RGB565_OES:
947 case GL_RGB5_A1_OES:
948 case GL_RGBA4_OES:
949 pixelsize = 16;
950 break;
951 case GL_UNSIGNED_INT_2_10_10_10_REV:
952 case GL_UNSIGNED_INT_24_8_OES:
953 pixelsize = 32;
954 break;
955 default:
956 ERR("glUtilsPixelBitSize: unknown pixel type %d - assuming pixel data 0\n", type);
957 componentsize = 0;
958 }
959
960 if (pixelsize == 0) {
961 switch(format) {
962 #if 0
963 case GL_RED:
964 case GL_GREEN:
965 case GL_BLUE:
966 #endif
967 case GL_ALPHA:
968 case GL_LUMINANCE:
969 case GL_DEPTH_COMPONENT:
970 case GL_DEPTH_STENCIL_OES:
971 components = 1;
972 break;
973 case GL_LUMINANCE_ALPHA:
974 components = 2;
975 break;
976 case GL_RGB:
977 #if 0
978 case GL_BGR:
979 #endif
980 components = 3;
981 break;
982 case GL_RGBA:
983 case GL_BGRA_EXT:
984 components = 4;
985 break;
986 case GL_RGBA16F:
987 pixelsize = 64;
988 break;
989 default:
990 ERR("glUtilsPixelBitSize: unknown pixel format %d\n", format);
991 components = 0;
992 }
993 if (pixelsize == 0) {
994 pixelsize = components * componentsize;
995 }
996 }
997
998 return pixelsize;
999 }
1000
1001 // pack a list of strings into one.
glUtilsPackStrings(char * ptr,char ** strings,GLint * length,GLsizei count)1002 void glUtilsPackStrings(char *ptr, char **strings, GLint *length, GLsizei count)
1003 {
1004 char *p = ptr;
1005 *p = '\0';
1006 for (int i = 0; i < count; i++) {
1007 int l=0;
1008 if (strings[i]!=NULL) {
1009 if (length == NULL || length[i] < 0) {
1010 l = strlen(strings[i]);
1011 strcat(p, strings[i]);
1012 } else {
1013 l = length[i];
1014 strncat(p, strings[i], l);
1015 }
1016 }
1017 p += l;
1018 }
1019 }
1020
1021 // claculate the length of a list of strings
glUtilsCalcShaderSourceLen(char ** strings,GLint * length,GLsizei count)1022 int glUtilsCalcShaderSourceLen( char **strings, GLint *length, GLsizei count)
1023 {
1024 int len = 0;
1025 for (int i = 0; i < count; i++) {
1026 int l;
1027 if (length == NULL || length[i] < 0) {
1028 l = strings[i]!=NULL ? strlen(strings[i]) : 0;
1029 } else {
1030 l = length[i];
1031 }
1032 len += l;
1033 }
1034 return len;
1035
1036 }
1037
1038 // helper to get GL_COLOR_ATTACHMENTn names
glUtilsColorAttachmentName(int i)1039 GLenum glUtilsColorAttachmentName(int i) {
1040 #undef COLOR_ATTACHMENT_CASE
1041 #define COLOR_ATTACHMENT_CASE(i) \
1042 case i: \
1043 return GL_COLOR_ATTACHMENT##i; \
1044
1045 switch (i) {
1046 COLOR_ATTACHMENT_CASE(0)
1047 COLOR_ATTACHMENT_CASE(1)
1048 COLOR_ATTACHMENT_CASE(2)
1049 COLOR_ATTACHMENT_CASE(3)
1050 COLOR_ATTACHMENT_CASE(4)
1051 COLOR_ATTACHMENT_CASE(5)
1052 COLOR_ATTACHMENT_CASE(6)
1053 COLOR_ATTACHMENT_CASE(7)
1054 COLOR_ATTACHMENT_CASE(8)
1055 COLOR_ATTACHMENT_CASE(9)
1056 COLOR_ATTACHMENT_CASE(10)
1057 COLOR_ATTACHMENT_CASE(11)
1058 COLOR_ATTACHMENT_CASE(12)
1059 COLOR_ATTACHMENT_CASE(13)
1060 COLOR_ATTACHMENT_CASE(14)
1061 COLOR_ATTACHMENT_CASE(15)
1062 }
1063 return GL_NONE;
1064 #undef COLOR_ATTACHMENT_CASE
1065 }
1066
glUtilsColorAttachmentIndex(GLenum attachment)1067 int glUtilsColorAttachmentIndex(GLenum attachment) {
1068 #undef COLOR_ATTACHMENT_CASE
1069 #define COLOR_ATTACHMENT_CASE(i) \
1070 case GL_COLOR_ATTACHMENT##i: \
1071 return i; \
1072
1073 switch (attachment) {
1074 COLOR_ATTACHMENT_CASE(0)
1075 COLOR_ATTACHMENT_CASE(1)
1076 COLOR_ATTACHMENT_CASE(2)
1077 COLOR_ATTACHMENT_CASE(3)
1078 COLOR_ATTACHMENT_CASE(4)
1079 COLOR_ATTACHMENT_CASE(5)
1080 COLOR_ATTACHMENT_CASE(6)
1081 COLOR_ATTACHMENT_CASE(7)
1082 COLOR_ATTACHMENT_CASE(8)
1083 COLOR_ATTACHMENT_CASE(9)
1084 COLOR_ATTACHMENT_CASE(10)
1085 COLOR_ATTACHMENT_CASE(11)
1086 COLOR_ATTACHMENT_CASE(12)
1087 COLOR_ATTACHMENT_CASE(13)
1088 COLOR_ATTACHMENT_CASE(14)
1089 COLOR_ATTACHMENT_CASE(15)
1090 }
1091 return -1;
1092 #undef COLOR_ATTACHMENT_CASE
1093 }
1094
1095 struct glUtilsDrawArraysIndirectCommand {
1096 GLuint count;
1097 GLuint primCount;
1098 GLuint first;
1099 GLuint reserved;
1100 };
1101
1102 struct glUtilsDrawElementsIndirectCommand {
1103 GLuint count;
1104 GLuint primCount;
1105 GLuint first;
1106 GLint baseVertex;
1107 GLuint reserved;
1108 };
1109
glUtilsIndirectStructSize(IndirectCommandType cmdType)1110 GLuint glUtilsIndirectStructSize(IndirectCommandType cmdType) {
1111 switch (cmdType) {
1112 case INDIRECT_COMMAND_DRAWARRAYS:
1113 return sizeof(glUtilsDrawArraysIndirectCommand);
1114 case INDIRECT_COMMAND_DRAWELEMENTS:
1115 return sizeof(glUtilsDrawElementsIndirectCommand);
1116 }
1117 return 4;
1118 }
1119
colorRenderableFormat(GLint internalformat,GLenum texturetype,int majorVersion,int minorVersion,bool hasColorBufferFloatExtension,bool hasColorBufferHalfFloatExtension)1120 bool colorRenderableFormat(GLint internalformat, GLenum texturetype, int majorVersion, __attribute__((unused)) int minorVersion, bool hasColorBufferFloatExtension, bool hasColorBufferHalfFloatExtension) {
1121 switch (internalformat) {
1122 case GL_RGB:
1123 case GL_RGBA:
1124 case GL_BGRA_EXT:
1125 switch (texturetype) {
1126 case GL_FLOAT:
1127 case GL_HALF_FLOAT_OES:
1128 case GL_UNSIGNED_INT_10F_11F_11F_REV:
1129 case GL_UNSIGNED_INT_2_10_10_10_REV:
1130 return false;
1131 default:
1132 return true;
1133 }
1134 break;
1135 case GL_R8:
1136 case GL_RG8:
1137 case GL_RGB8:
1138 case GL_RGB565:
1139 case GL_RGBA4:
1140 case GL_RGB5_A1:
1141 case GL_RGBA8:
1142 case GL_RGB10_A2:
1143 case GL_RGB10_A2UI:
1144 case GL_SRGB8_ALPHA8:
1145 case GL_R8I:
1146 case GL_R8UI:
1147 case GL_R16I:
1148 case GL_R16UI:
1149 case GL_R32I:
1150 case GL_R32UI:
1151 case GL_RG8I:
1152 case GL_RG8UI:
1153 case GL_RG16I:
1154 case GL_RG16UI:
1155 case GL_RG32I:
1156 case GL_RG32UI:
1157 case GL_RGBA8I:
1158 case GL_RGBA8UI:
1159 case GL_RGBA16I:
1160 case GL_RGBA16UI:
1161 case GL_RGBA32I:
1162 case GL_RGBA32UI:
1163 case GL_BGRA8_EXT:
1164 return true;
1165 case GL_R16F:
1166 case GL_RG16F:
1167 case GL_RGBA16F:
1168 case GL_R32F:
1169 case GL_RG32F:
1170 case GL_RGBA32F:
1171 case GL_R11F_G11F_B10F:
1172 return majorVersion >= 3 && hasColorBufferFloatExtension;
1173 case GL_RGB16F:
1174 return majorVersion >= 3 && hasColorBufferHalfFloatExtension;
1175 default:
1176 return false;
1177 }
1178 }
1179
depthRenderableFormat(GLint internalformat)1180 bool depthRenderableFormat(GLint internalformat) {
1181 switch (internalformat) {
1182 case GL_DEPTH_STENCIL:
1183 case GL_DEPTH_COMPONENT:
1184 case GL_DEPTH_COMPONENT16:
1185 case GL_DEPTH_COMPONENT24:
1186 case GL_DEPTH_COMPONENT32F:
1187 case GL_DEPTH24_STENCIL8:
1188 case GL_DEPTH32F_STENCIL8:
1189 case 0X81A7: // GL_DEPTH_COMPONENT32
1190 return true;
1191 default:
1192 return false;
1193 }
1194 }
1195
stencilRenderableFormat(GLint internalformat)1196 bool stencilRenderableFormat(GLint internalformat) {
1197 switch (internalformat) {
1198 case GL_STENCIL_INDEX:
1199 case GL_DEPTH_STENCIL:
1200 case GL_STENCIL_INDEX8:
1201 case GL_DEPTH24_STENCIL8:
1202 case GL_DEPTH32F_STENCIL8:
1203 return true;
1204 default:
1205 return false;
1206 }
1207 }
1208