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mesa: fill in Z32_FLOAT_X24S8 in _mesa_format_matches_format_and_type
[mesa.git] / src / mesa / main / formats.c
1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.7
4 *
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (c) 2008-2009 VMware, Inc.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 #include "imports.h"
28 #include "formats.h"
29 #include "mfeatures.h"
30 #include "macros.h"
31 #include "glformats.h"
32
33
34 /**
35 * Information about texture formats.
36 */
37 struct gl_format_info
38 {
39 gl_format Name;
40
41 /** text name for debugging */
42 const char *StrName;
43
44 /**
45 * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
46 * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
47 * GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL, GL_DUDV_ATI.
48 */
49 GLenum BaseFormat;
50
51 /**
52 * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALIZED,
53 * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
54 */
55 GLenum DataType;
56
57 GLubyte RedBits;
58 GLubyte GreenBits;
59 GLubyte BlueBits;
60 GLubyte AlphaBits;
61 GLubyte LuminanceBits;
62 GLubyte IntensityBits;
63 GLubyte IndexBits;
64 GLubyte DepthBits;
65 GLubyte StencilBits;
66
67 /**
68 * To describe compressed formats. If not compressed, Width=Height=1.
69 */
70 GLubyte BlockWidth, BlockHeight;
71 GLubyte BytesPerBlock;
72 };
73
74
75 /**
76 * Info about each format.
77 * These must be in the same order as the MESA_FORMAT_* enums so that
78 * we can do lookups without searching.
79 */
80 static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
81 {
82 {
83 MESA_FORMAT_NONE, /* Name */
84 "MESA_FORMAT_NONE", /* StrName */
85 GL_NONE, /* BaseFormat */
86 GL_NONE, /* DataType */
87 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
88 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
89 0, 0, 0 /* BlockWidth/Height,Bytes */
90 },
91 {
92 MESA_FORMAT_RGBA8888, /* Name */
93 "MESA_FORMAT_RGBA8888", /* StrName */
94 GL_RGBA, /* BaseFormat */
95 GL_UNSIGNED_NORMALIZED, /* DataType */
96 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
97 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
98 1, 1, 4 /* BlockWidth/Height,Bytes */
99 },
100 {
101 MESA_FORMAT_RGBA8888_REV, /* Name */
102 "MESA_FORMAT_RGBA8888_REV", /* StrName */
103 GL_RGBA, /* BaseFormat */
104 GL_UNSIGNED_NORMALIZED, /* DataType */
105 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
106 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
107 1, 1, 4 /* BlockWidth/Height,Bytes */
108 },
109 {
110 MESA_FORMAT_ARGB8888, /* Name */
111 "MESA_FORMAT_ARGB8888", /* StrName */
112 GL_RGBA, /* BaseFormat */
113 GL_UNSIGNED_NORMALIZED, /* DataType */
114 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
115 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
116 1, 1, 4 /* BlockWidth/Height,Bytes */
117 },
118 {
119 MESA_FORMAT_ARGB8888_REV, /* Name */
120 "MESA_FORMAT_ARGB8888_REV", /* StrName */
121 GL_RGBA, /* BaseFormat */
122 GL_UNSIGNED_NORMALIZED, /* DataType */
123 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
124 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
125 1, 1, 4 /* BlockWidth/Height,Bytes */
126 },
127 {
128 MESA_FORMAT_RGBX8888, /* Name */
129 "MESA_FORMAT_RGBX8888", /* StrName */
130 GL_RGB, /* BaseFormat */
131 GL_UNSIGNED_NORMALIZED, /* DataType */
132 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
133 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
134 1, 1, 4 /* BlockWidth/Height,Bytes */
135 },
136 {
137 MESA_FORMAT_RGBX8888_REV, /* Name */
138 "MESA_FORMAT_RGBX8888_REV", /* StrName */
139 GL_RGB, /* BaseFormat */
140 GL_UNSIGNED_NORMALIZED, /* DataType */
141 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
142 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
143 1, 1, 4 /* BlockWidth/Height,Bytes */
144 },
145 {
146 MESA_FORMAT_XRGB8888, /* Name */
147 "MESA_FORMAT_XRGB8888", /* StrName */
148 GL_RGB, /* BaseFormat */
149 GL_UNSIGNED_NORMALIZED, /* DataType */
150 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
151 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
152 1, 1, 4 /* BlockWidth/Height,Bytes */
153 },
154 {
155 MESA_FORMAT_XRGB8888_REV, /* Name */
156 "MESA_FORMAT_XRGB8888_REV", /* StrName */
157 GL_RGB, /* BaseFormat */
158 GL_UNSIGNED_NORMALIZED, /* DataType */
159 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
160 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
161 1, 1, 4 /* BlockWidth/Height,Bytes */
162 },
163 {
164 MESA_FORMAT_RGB888, /* Name */
165 "MESA_FORMAT_RGB888", /* StrName */
166 GL_RGB, /* BaseFormat */
167 GL_UNSIGNED_NORMALIZED, /* DataType */
168 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
169 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
170 1, 1, 3 /* BlockWidth/Height,Bytes */
171 },
172 {
173 MESA_FORMAT_BGR888, /* Name */
174 "MESA_FORMAT_BGR888", /* StrName */
175 GL_RGB, /* BaseFormat */
176 GL_UNSIGNED_NORMALIZED, /* DataType */
177 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
178 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
179 1, 1, 3 /* BlockWidth/Height,Bytes */
180 },
181 {
182 MESA_FORMAT_RGB565, /* Name */
183 "MESA_FORMAT_RGB565", /* StrName */
184 GL_RGB, /* BaseFormat */
185 GL_UNSIGNED_NORMALIZED, /* DataType */
186 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
187 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
188 1, 1, 2 /* BlockWidth/Height,Bytes */
189 },
190 {
191 MESA_FORMAT_RGB565_REV, /* Name */
192 "MESA_FORMAT_RGB565_REV", /* StrName */
193 GL_RGB, /* BaseFormat */
194 GL_UNSIGNED_NORMALIZED, /* DataType */
195 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
196 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
197 1, 1, 2 /* BlockWidth/Height,Bytes */
198 },
199 {
200 MESA_FORMAT_ARGB4444, /* Name */
201 "MESA_FORMAT_ARGB4444", /* StrName */
202 GL_RGBA, /* BaseFormat */
203 GL_UNSIGNED_NORMALIZED, /* DataType */
204 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
205 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
206 1, 1, 2 /* BlockWidth/Height,Bytes */
207 },
208 {
209 MESA_FORMAT_ARGB4444_REV, /* Name */
210 "MESA_FORMAT_ARGB4444_REV", /* StrName */
211 GL_RGBA, /* BaseFormat */
212 GL_UNSIGNED_NORMALIZED, /* DataType */
213 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
214 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
215 1, 1, 2 /* BlockWidth/Height,Bytes */
216 },
217 {
218 MESA_FORMAT_RGBA5551, /* Name */
219 "MESA_FORMAT_RGBA5551", /* StrName */
220 GL_RGBA, /* BaseFormat */
221 GL_UNSIGNED_NORMALIZED, /* DataType */
222 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
223 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
224 1, 1, 2 /* BlockWidth/Height,Bytes */
225 },
226 {
227 MESA_FORMAT_ARGB1555, /* Name */
228 "MESA_FORMAT_ARGB1555", /* StrName */
229 GL_RGBA, /* BaseFormat */
230 GL_UNSIGNED_NORMALIZED, /* DataType */
231 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
232 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
233 1, 1, 2 /* BlockWidth/Height,Bytes */
234 },
235 {
236 MESA_FORMAT_ARGB1555_REV, /* Name */
237 "MESA_FORMAT_ARGB1555_REV", /* StrName */
238 GL_RGBA, /* BaseFormat */
239 GL_UNSIGNED_NORMALIZED, /* DataType */
240 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
241 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
242 1, 1, 2 /* BlockWidth/Height,Bytes */
243 },
244 {
245 MESA_FORMAT_AL44, /* Name */
246 "MESA_FORMAT_AL44", /* StrName */
247 GL_LUMINANCE_ALPHA, /* BaseFormat */
248 GL_UNSIGNED_NORMALIZED, /* DataType */
249 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
250 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
251 1, 1, 1 /* BlockWidth/Height,Bytes */
252 },
253 {
254 MESA_FORMAT_AL88, /* Name */
255 "MESA_FORMAT_AL88", /* StrName */
256 GL_LUMINANCE_ALPHA, /* BaseFormat */
257 GL_UNSIGNED_NORMALIZED, /* DataType */
258 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
259 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
260 1, 1, 2 /* BlockWidth/Height,Bytes */
261 },
262 {
263 MESA_FORMAT_AL88_REV, /* Name */
264 "MESA_FORMAT_AL88_REV", /* StrName */
265 GL_LUMINANCE_ALPHA, /* BaseFormat */
266 GL_UNSIGNED_NORMALIZED, /* DataType */
267 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
268 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
269 1, 1, 2 /* BlockWidth/Height,Bytes */
270 },
271 {
272 MESA_FORMAT_AL1616, /* Name */
273 "MESA_FORMAT_AL1616", /* StrName */
274 GL_LUMINANCE_ALPHA, /* BaseFormat */
275 GL_UNSIGNED_NORMALIZED, /* DataType */
276 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
277 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
278 1, 1, 4 /* BlockWidth/Height,Bytes */
279 },
280 {
281 MESA_FORMAT_AL1616_REV, /* Name */
282 "MESA_FORMAT_AL1616_REV", /* StrName */
283 GL_LUMINANCE_ALPHA, /* BaseFormat */
284 GL_UNSIGNED_NORMALIZED, /* DataType */
285 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
286 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
287 1, 1, 4 /* BlockWidth/Height,Bytes */
288 },
289 {
290 MESA_FORMAT_RGB332, /* Name */
291 "MESA_FORMAT_RGB332", /* StrName */
292 GL_RGB, /* BaseFormat */
293 GL_UNSIGNED_NORMALIZED, /* DataType */
294 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
295 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
296 1, 1, 1 /* BlockWidth/Height,Bytes */
297 },
298 {
299 MESA_FORMAT_A8, /* Name */
300 "MESA_FORMAT_A8", /* StrName */
301 GL_ALPHA, /* BaseFormat */
302 GL_UNSIGNED_NORMALIZED, /* DataType */
303 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
304 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
305 1, 1, 1 /* BlockWidth/Height,Bytes */
306 },
307 {
308 MESA_FORMAT_A16, /* Name */
309 "MESA_FORMAT_A16", /* StrName */
310 GL_ALPHA, /* BaseFormat */
311 GL_UNSIGNED_NORMALIZED, /* DataType */
312 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
313 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
314 1, 1, 2 /* BlockWidth/Height,Bytes */
315 },
316 {
317 MESA_FORMAT_L8, /* Name */
318 "MESA_FORMAT_L8", /* StrName */
319 GL_LUMINANCE, /* BaseFormat */
320 GL_UNSIGNED_NORMALIZED, /* DataType */
321 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
322 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
323 1, 1, 1 /* BlockWidth/Height,Bytes */
324 },
325 {
326 MESA_FORMAT_L16, /* Name */
327 "MESA_FORMAT_L16", /* StrName */
328 GL_LUMINANCE, /* BaseFormat */
329 GL_UNSIGNED_NORMALIZED, /* DataType */
330 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
331 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
332 1, 1, 2 /* BlockWidth/Height,Bytes */
333 },
334 {
335 MESA_FORMAT_I8, /* Name */
336 "MESA_FORMAT_I8", /* StrName */
337 GL_INTENSITY, /* BaseFormat */
338 GL_UNSIGNED_NORMALIZED, /* DataType */
339 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
340 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
341 1, 1, 1 /* BlockWidth/Height,Bytes */
342 },
343 {
344 MESA_FORMAT_I16, /* Name */
345 "MESA_FORMAT_I16", /* StrName */
346 GL_INTENSITY, /* BaseFormat */
347 GL_UNSIGNED_NORMALIZED, /* DataType */
348 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
349 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
350 1, 1, 2 /* BlockWidth/Height,Bytes */
351 },
352 {
353 MESA_FORMAT_YCBCR, /* Name */
354 "MESA_FORMAT_YCBCR", /* StrName */
355 GL_YCBCR_MESA, /* BaseFormat */
356 GL_UNSIGNED_NORMALIZED, /* DataType */
357 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
358 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
359 1, 1, 2 /* BlockWidth/Height,Bytes */
360 },
361 {
362 MESA_FORMAT_YCBCR_REV, /* Name */
363 "MESA_FORMAT_YCBCR_REV", /* StrName */
364 GL_YCBCR_MESA, /* BaseFormat */
365 GL_UNSIGNED_NORMALIZED, /* DataType */
366 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
367 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
368 1, 1, 2 /* BlockWidth/Height,Bytes */
369 },
370 {
371 MESA_FORMAT_R8,
372 "MESA_FORMAT_R8",
373 GL_RED,
374 GL_UNSIGNED_NORMALIZED,
375 8, 0, 0, 0,
376 0, 0, 0, 0, 0,
377 1, 1, 1
378 },
379 {
380 MESA_FORMAT_GR88,
381 "MESA_FORMAT_GR88",
382 GL_RG,
383 GL_UNSIGNED_NORMALIZED,
384 8, 8, 0, 0,
385 0, 0, 0, 0, 0,
386 1, 1, 2
387 },
388 {
389 MESA_FORMAT_RG88,
390 "MESA_FORMAT_RG88",
391 GL_RG,
392 GL_UNSIGNED_NORMALIZED,
393 8, 8, 0, 0,
394 0, 0, 0, 0, 0,
395 1, 1, 2
396 },
397 {
398 MESA_FORMAT_R16,
399 "MESA_FORMAT_R16",
400 GL_RED,
401 GL_UNSIGNED_NORMALIZED,
402 16, 0, 0, 0,
403 0, 0, 0, 0, 0,
404 1, 1, 2
405 },
406 {
407 MESA_FORMAT_GR1616,
408 "MESA_FORMAT_GR1616",
409 GL_RG,
410 GL_UNSIGNED_NORMALIZED,
411 16, 16, 0, 0,
412 0, 0, 0, 0, 0,
413 1, 1, 4
414 },
415 {
416 MESA_FORMAT_RG1616,
417 "MESA_FORMAT_RG1616",
418 GL_RG,
419 GL_UNSIGNED_NORMALIZED,
420 16, 16, 0, 0,
421 0, 0, 0, 0, 0,
422 1, 1, 4
423 },
424 {
425 MESA_FORMAT_ARGB2101010,
426 "MESA_FORMAT_ARGB2101010",
427 GL_RGBA,
428 GL_UNSIGNED_NORMALIZED,
429 10, 10, 10, 2,
430 0, 0, 0, 0, 0,
431 1, 1, 4
432 },
433 {
434 MESA_FORMAT_Z24_S8, /* Name */
435 "MESA_FORMAT_Z24_S8", /* StrName */
436 GL_DEPTH_STENCIL, /* BaseFormat */
437 GL_UNSIGNED_NORMALIZED, /* DataType */
438 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
439 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
440 1, 1, 4 /* BlockWidth/Height,Bytes */
441 },
442 {
443 MESA_FORMAT_S8_Z24, /* Name */
444 "MESA_FORMAT_S8_Z24", /* StrName */
445 GL_DEPTH_STENCIL, /* BaseFormat */
446 GL_UNSIGNED_NORMALIZED, /* DataType */
447 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
448 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
449 1, 1, 4 /* BlockWidth/Height,Bytes */
450 },
451 {
452 MESA_FORMAT_Z16, /* Name */
453 "MESA_FORMAT_Z16", /* StrName */
454 GL_DEPTH_COMPONENT, /* BaseFormat */
455 GL_UNSIGNED_NORMALIZED, /* DataType */
456 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
457 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
458 1, 1, 2 /* BlockWidth/Height,Bytes */
459 },
460 {
461 MESA_FORMAT_X8_Z24, /* Name */
462 "MESA_FORMAT_X8_Z24", /* StrName */
463 GL_DEPTH_COMPONENT, /* BaseFormat */
464 GL_UNSIGNED_NORMALIZED, /* DataType */
465 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
466 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
467 1, 1, 4 /* BlockWidth/Height,Bytes */
468 },
469 {
470 MESA_FORMAT_Z24_X8, /* Name */
471 "MESA_FORMAT_Z24_X8", /* StrName */
472 GL_DEPTH_COMPONENT, /* BaseFormat */
473 GL_UNSIGNED_NORMALIZED, /* DataType */
474 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
475 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
476 1, 1, 4 /* BlockWidth/Height,Bytes */
477 },
478 {
479 MESA_FORMAT_Z32, /* Name */
480 "MESA_FORMAT_Z32", /* StrName */
481 GL_DEPTH_COMPONENT, /* BaseFormat */
482 GL_UNSIGNED_NORMALIZED, /* DataType */
483 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
484 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
485 1, 1, 4 /* BlockWidth/Height,Bytes */
486 },
487 {
488 MESA_FORMAT_S8, /* Name */
489 "MESA_FORMAT_S8", /* StrName */
490 GL_STENCIL_INDEX, /* BaseFormat */
491 GL_UNSIGNED_INT, /* DataType */
492 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
493 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
494 1, 1, 1 /* BlockWidth/Height,Bytes */
495 },
496 {
497 MESA_FORMAT_SRGB8,
498 "MESA_FORMAT_SRGB8",
499 GL_RGB,
500 GL_UNSIGNED_NORMALIZED,
501 8, 8, 8, 0,
502 0, 0, 0, 0, 0,
503 1, 1, 3
504 },
505 {
506 MESA_FORMAT_SRGBA8,
507 "MESA_FORMAT_SRGBA8",
508 GL_RGBA,
509 GL_UNSIGNED_NORMALIZED,
510 8, 8, 8, 8,
511 0, 0, 0, 0, 0,
512 1, 1, 4
513 },
514 {
515 MESA_FORMAT_SARGB8,
516 "MESA_FORMAT_SARGB8",
517 GL_RGBA,
518 GL_UNSIGNED_NORMALIZED,
519 8, 8, 8, 8,
520 0, 0, 0, 0, 0,
521 1, 1, 4
522 },
523 {
524 MESA_FORMAT_SL8,
525 "MESA_FORMAT_SL8",
526 GL_LUMINANCE,
527 GL_UNSIGNED_NORMALIZED,
528 0, 0, 0, 0,
529 8, 0, 0, 0, 0,
530 1, 1, 1
531 },
532 {
533 MESA_FORMAT_SLA8,
534 "MESA_FORMAT_SLA8",
535 GL_LUMINANCE_ALPHA,
536 GL_UNSIGNED_NORMALIZED,
537 0, 0, 0, 8,
538 8, 0, 0, 0, 0,
539 1, 1, 2
540 },
541 {
542 MESA_FORMAT_SRGB_DXT1, /* Name */
543 "MESA_FORMAT_SRGB_DXT1", /* StrName */
544 GL_RGB, /* BaseFormat */
545 GL_UNSIGNED_NORMALIZED, /* DataType */
546 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
547 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
548 4, 4, 8 /* 8 bytes per 4x4 block */
549 },
550 {
551 MESA_FORMAT_SRGBA_DXT1,
552 "MESA_FORMAT_SRGBA_DXT1",
553 GL_RGBA,
554 GL_UNSIGNED_NORMALIZED,
555 4, 4, 4, 4,
556 0, 0, 0, 0, 0,
557 4, 4, 8 /* 8 bytes per 4x4 block */
558 },
559 {
560 MESA_FORMAT_SRGBA_DXT3,
561 "MESA_FORMAT_SRGBA_DXT3",
562 GL_RGBA,
563 GL_UNSIGNED_NORMALIZED,
564 4, 4, 4, 4,
565 0, 0, 0, 0, 0,
566 4, 4, 16 /* 16 bytes per 4x4 block */
567 },
568 {
569 MESA_FORMAT_SRGBA_DXT5,
570 "MESA_FORMAT_SRGBA_DXT5",
571 GL_RGBA,
572 GL_UNSIGNED_NORMALIZED,
573 4, 4, 4, 4,
574 0, 0, 0, 0, 0,
575 4, 4, 16 /* 16 bytes per 4x4 block */
576 },
577
578 {
579 MESA_FORMAT_RGB_FXT1,
580 "MESA_FORMAT_RGB_FXT1",
581 GL_RGB,
582 GL_UNSIGNED_NORMALIZED,
583 4, 4, 4, 0, /* approx Red/Green/BlueBits */
584 0, 0, 0, 0, 0,
585 8, 4, 16 /* 16 bytes per 8x4 block */
586 },
587 {
588 MESA_FORMAT_RGBA_FXT1,
589 "MESA_FORMAT_RGBA_FXT1",
590 GL_RGBA,
591 GL_UNSIGNED_NORMALIZED,
592 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
593 0, 0, 0, 0, 0,
594 8, 4, 16 /* 16 bytes per 8x4 block */
595 },
596
597 {
598 MESA_FORMAT_RGB_DXT1, /* Name */
599 "MESA_FORMAT_RGB_DXT1", /* StrName */
600 GL_RGB, /* BaseFormat */
601 GL_UNSIGNED_NORMALIZED, /* DataType */
602 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
603 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
604 4, 4, 8 /* 8 bytes per 4x4 block */
605 },
606 {
607 MESA_FORMAT_RGBA_DXT1,
608 "MESA_FORMAT_RGBA_DXT1",
609 GL_RGBA,
610 GL_UNSIGNED_NORMALIZED,
611 4, 4, 4, 4,
612 0, 0, 0, 0, 0,
613 4, 4, 8 /* 8 bytes per 4x4 block */
614 },
615 {
616 MESA_FORMAT_RGBA_DXT3,
617 "MESA_FORMAT_RGBA_DXT3",
618 GL_RGBA,
619 GL_UNSIGNED_NORMALIZED,
620 4, 4, 4, 4,
621 0, 0, 0, 0, 0,
622 4, 4, 16 /* 16 bytes per 4x4 block */
623 },
624 {
625 MESA_FORMAT_RGBA_DXT5,
626 "MESA_FORMAT_RGBA_DXT5",
627 GL_RGBA,
628 GL_UNSIGNED_NORMALIZED,
629 4, 4, 4, 4,
630 0, 0, 0, 0, 0,
631 4, 4, 16 /* 16 bytes per 4x4 block */
632 },
633 {
634 MESA_FORMAT_RGBA_FLOAT32,
635 "MESA_FORMAT_RGBA_FLOAT32",
636 GL_RGBA,
637 GL_FLOAT,
638 32, 32, 32, 32,
639 0, 0, 0, 0, 0,
640 1, 1, 16
641 },
642 {
643 MESA_FORMAT_RGBA_FLOAT16,
644 "MESA_FORMAT_RGBA_FLOAT16",
645 GL_RGBA,
646 GL_FLOAT,
647 16, 16, 16, 16,
648 0, 0, 0, 0, 0,
649 1, 1, 8
650 },
651 {
652 MESA_FORMAT_RGB_FLOAT32,
653 "MESA_FORMAT_RGB_FLOAT32",
654 GL_RGB,
655 GL_FLOAT,
656 32, 32, 32, 0,
657 0, 0, 0, 0, 0,
658 1, 1, 12
659 },
660 {
661 MESA_FORMAT_RGB_FLOAT16,
662 "MESA_FORMAT_RGB_FLOAT16",
663 GL_RGB,
664 GL_FLOAT,
665 16, 16, 16, 0,
666 0, 0, 0, 0, 0,
667 1, 1, 6
668 },
669 {
670 MESA_FORMAT_ALPHA_FLOAT32,
671 "MESA_FORMAT_ALPHA_FLOAT32",
672 GL_ALPHA,
673 GL_FLOAT,
674 0, 0, 0, 32,
675 0, 0, 0, 0, 0,
676 1, 1, 4
677 },
678 {
679 MESA_FORMAT_ALPHA_FLOAT16,
680 "MESA_FORMAT_ALPHA_FLOAT16",
681 GL_ALPHA,
682 GL_FLOAT,
683 0, 0, 0, 16,
684 0, 0, 0, 0, 0,
685 1, 1, 2
686 },
687 {
688 MESA_FORMAT_LUMINANCE_FLOAT32,
689 "MESA_FORMAT_LUMINANCE_FLOAT32",
690 GL_LUMINANCE,
691 GL_FLOAT,
692 0, 0, 0, 0,
693 32, 0, 0, 0, 0,
694 1, 1, 4
695 },
696 {
697 MESA_FORMAT_LUMINANCE_FLOAT16,
698 "MESA_FORMAT_LUMINANCE_FLOAT16",
699 GL_LUMINANCE,
700 GL_FLOAT,
701 0, 0, 0, 0,
702 16, 0, 0, 0, 0,
703 1, 1, 2
704 },
705 {
706 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
707 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
708 GL_LUMINANCE_ALPHA,
709 GL_FLOAT,
710 0, 0, 0, 32,
711 32, 0, 0, 0, 0,
712 1, 1, 8
713 },
714 {
715 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
716 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
717 GL_LUMINANCE_ALPHA,
718 GL_FLOAT,
719 0, 0, 0, 16,
720 16, 0, 0, 0, 0,
721 1, 1, 4
722 },
723 {
724 MESA_FORMAT_INTENSITY_FLOAT32,
725 "MESA_FORMAT_INTENSITY_FLOAT32",
726 GL_INTENSITY,
727 GL_FLOAT,
728 0, 0, 0, 0,
729 0, 32, 0, 0, 0,
730 1, 1, 4
731 },
732 {
733 MESA_FORMAT_INTENSITY_FLOAT16,
734 "MESA_FORMAT_INTENSITY_FLOAT16",
735 GL_INTENSITY,
736 GL_FLOAT,
737 0, 0, 0, 0,
738 0, 16, 0, 0, 0,
739 1, 1, 2
740 },
741 {
742 MESA_FORMAT_R_FLOAT32,
743 "MESA_FORMAT_R_FLOAT32",
744 GL_RED,
745 GL_FLOAT,
746 32, 0, 0, 0,
747 0, 0, 0, 0, 0,
748 1, 1, 4
749 },
750 {
751 MESA_FORMAT_R_FLOAT16,
752 "MESA_FORMAT_R_FLOAT16",
753 GL_RED,
754 GL_FLOAT,
755 16, 0, 0, 0,
756 0, 0, 0, 0, 0,
757 1, 1, 2
758 },
759 {
760 MESA_FORMAT_RG_FLOAT32,
761 "MESA_FORMAT_RG_FLOAT32",
762 GL_RG,
763 GL_FLOAT,
764 32, 32, 0, 0,
765 0, 0, 0, 0, 0,
766 1, 1, 8
767 },
768 {
769 MESA_FORMAT_RG_FLOAT16,
770 "MESA_FORMAT_RG_FLOAT16",
771 GL_RG,
772 GL_FLOAT,
773 16, 16, 0, 0,
774 0, 0, 0, 0, 0,
775 1, 1, 4
776 },
777
778 /* unnormalized signed int formats */
779 /* unnormalized unsigned int formats */
780 {
781 MESA_FORMAT_ALPHA_UINT8,
782 "MESA_FORMAT_ALPHA_UINT8",
783 GL_ALPHA,
784 GL_UNSIGNED_INT,
785 0, 0, 0, 8,
786 0, 0, 0, 0, 0,
787 1, 1, 1
788 },
789 {
790 MESA_FORMAT_ALPHA_UINT16,
791 "MESA_FORMAT_ALPHA_UINT16",
792 GL_ALPHA,
793 GL_UNSIGNED_INT,
794 0, 0, 0, 16,
795 0, 0, 0, 0, 0,
796 1, 1, 2
797 },
798 {
799 MESA_FORMAT_ALPHA_UINT32,
800 "MESA_FORMAT_ALPHA_UINT32",
801 GL_ALPHA,
802 GL_UNSIGNED_INT,
803 0, 0, 0, 32,
804 0, 0, 0, 0, 0,
805 1, 1, 4
806 },
807 {
808 MESA_FORMAT_ALPHA_INT8,
809 "MESA_FORMAT_ALPHA_INT8",
810 GL_ALPHA,
811 GL_INT,
812 0, 0, 0, 8,
813 0, 0, 0, 0, 0,
814 1, 1, 1
815 },
816 {
817 MESA_FORMAT_ALPHA_INT16,
818 "MESA_FORMAT_ALPHA_INT16",
819 GL_ALPHA,
820 GL_INT,
821 0, 0, 0, 16,
822 0, 0, 0, 0, 0,
823 1, 1, 2
824 },
825 {
826 MESA_FORMAT_ALPHA_INT32,
827 "MESA_FORMAT_ALPHA_INT32",
828 GL_ALPHA,
829 GL_INT,
830 0, 0, 0, 32,
831 0, 0, 0, 0, 0,
832 1, 1, 4
833 },
834 {
835 MESA_FORMAT_INTENSITY_UINT8,
836 "MESA_FORMAT_INTENSITY_UINT8",
837 GL_INTENSITY,
838 GL_UNSIGNED_INT,
839 0, 0, 0, 0,
840 0, 8, 0, 0, 0,
841 1, 1, 1
842 },
843 {
844 MESA_FORMAT_INTENSITY_UINT16,
845 "MESA_FORMAT_INTENSITY_UINT16",
846 GL_INTENSITY,
847 GL_UNSIGNED_INT,
848 0, 0, 0, 0,
849 0, 16, 0, 0, 0,
850 1, 1, 2
851 },
852 {
853 MESA_FORMAT_INTENSITY_UINT32,
854 "MESA_FORMAT_INTENSITY_UINT32",
855 GL_INTENSITY,
856 GL_UNSIGNED_INT,
857 0, 0, 0, 0,
858 0, 32, 0, 0, 0,
859 1, 1, 4
860 },
861 {
862 MESA_FORMAT_INTENSITY_INT8,
863 "MESA_FORMAT_INTENSITY_INT8",
864 GL_INTENSITY,
865 GL_INT,
866 0, 0, 0, 0,
867 0, 8, 0, 0, 0,
868 1, 1, 1
869 },
870 {
871 MESA_FORMAT_INTENSITY_INT16,
872 "MESA_FORMAT_INTENSITY_INT16",
873 GL_INTENSITY,
874 GL_INT,
875 0, 0, 0, 0,
876 0, 16, 0, 0, 0,
877 1, 1, 2
878 },
879 {
880 MESA_FORMAT_INTENSITY_INT32,
881 "MESA_FORMAT_INTENSITY_INT32",
882 GL_INTENSITY,
883 GL_INT,
884 0, 0, 0, 0,
885 0, 32, 0, 0, 0,
886 1, 1, 4
887 },
888 {
889 MESA_FORMAT_LUMINANCE_UINT8,
890 "MESA_FORMAT_LUMINANCE_UINT8",
891 GL_LUMINANCE,
892 GL_UNSIGNED_INT,
893 0, 0, 0, 0,
894 8, 0, 0, 0, 0,
895 1, 1, 1
896 },
897 {
898 MESA_FORMAT_LUMINANCE_UINT16,
899 "MESA_FORMAT_LUMINANCE_UINT16",
900 GL_LUMINANCE,
901 GL_UNSIGNED_INT,
902 0, 0, 0, 0,
903 16, 0, 0, 0, 0,
904 1, 1, 2
905 },
906 {
907 MESA_FORMAT_LUMINANCE_UINT32,
908 "MESA_FORMAT_LUMINANCE_UINT32",
909 GL_LUMINANCE,
910 GL_UNSIGNED_INT,
911 0, 0, 0, 0,
912 32, 0, 0, 0, 0,
913 1, 1, 4
914 },
915 {
916 MESA_FORMAT_LUMINANCE_INT8,
917 "MESA_FORMAT_LUMINANCE_INT8",
918 GL_LUMINANCE,
919 GL_INT,
920 0, 0, 0, 0,
921 8, 0, 0, 0, 0,
922 1, 1, 1
923 },
924 {
925 MESA_FORMAT_LUMINANCE_INT16,
926 "MESA_FORMAT_LUMINANCE_INT16",
927 GL_LUMINANCE,
928 GL_INT,
929 0, 0, 0, 0,
930 16, 0, 0, 0, 0,
931 1, 1, 2
932 },
933 {
934 MESA_FORMAT_LUMINANCE_INT32,
935 "MESA_FORMAT_LUMINANCE_INT32",
936 GL_LUMINANCE,
937 GL_INT,
938 0, 0, 0, 0,
939 32, 0, 0, 0, 0,
940 1, 1, 4
941 },
942 {
943 MESA_FORMAT_LUMINANCE_ALPHA_UINT8,
944 "MESA_FORMAT_LUMINANCE_ALPHA_UINT8",
945 GL_LUMINANCE_ALPHA,
946 GL_UNSIGNED_INT,
947 0, 0, 0, 8,
948 8, 0, 0, 0, 0,
949 1, 1, 2
950 },
951 {
952 MESA_FORMAT_LUMINANCE_ALPHA_UINT16,
953 "MESA_FORMAT_LUMINANCE_ALPHA_UINT16",
954 GL_LUMINANCE_ALPHA,
955 GL_UNSIGNED_INT,
956 0, 0, 0, 16,
957 16, 0, 0, 0, 0,
958 1, 1, 4
959 },
960 {
961 MESA_FORMAT_LUMINANCE_ALPHA_UINT32,
962 "MESA_FORMAT_LUMINANCE_ALPHA_UINT32",
963 GL_LUMINANCE_ALPHA,
964 GL_UNSIGNED_INT,
965 0, 0, 0, 32,
966 32, 0, 0, 0, 0,
967 1, 1, 8
968 },
969 {
970 MESA_FORMAT_LUMINANCE_ALPHA_INT8,
971 "MESA_FORMAT_LUMINANCE_ALPHA_INT8",
972 GL_LUMINANCE_ALPHA,
973 GL_INT,
974 0, 0, 0, 8,
975 8, 0, 0, 0, 0,
976 1, 1, 2
977 },
978 {
979 MESA_FORMAT_LUMINANCE_ALPHA_INT16,
980 "MESA_FORMAT_LUMINANCE_ALPHA_INT16",
981 GL_LUMINANCE_ALPHA,
982 GL_INT,
983 0, 0, 0, 16,
984 16, 0, 0, 0, 0,
985 1, 1, 4
986 },
987 {
988 MESA_FORMAT_LUMINANCE_ALPHA_INT32,
989 "MESA_FORMAT_LUMINANCE_ALPHA_INT32",
990 GL_LUMINANCE_ALPHA,
991 GL_INT,
992 0, 0, 0, 32,
993 32, 0, 0, 0, 0,
994 1, 1, 8
995 },
996
997 {
998 MESA_FORMAT_R_INT8,
999 "MESA_FORMAT_R_INT8",
1000 GL_RED,
1001 GL_INT,
1002 8, 0, 0, 0,
1003 0, 0, 0, 0, 0,
1004 1, 1, 1
1005 },
1006 {
1007 MESA_FORMAT_RG_INT8,
1008 "MESA_FORMAT_RG_INT8",
1009 GL_RG,
1010 GL_INT,
1011 8, 8, 0, 0,
1012 0, 0, 0, 0, 0,
1013 1, 1, 2
1014 },
1015 {
1016 MESA_FORMAT_RGB_INT8,
1017 "MESA_FORMAT_RGB_INT8",
1018 GL_RGB,
1019 GL_INT,
1020 8, 8, 8, 0,
1021 0, 0, 0, 0, 0,
1022 1, 1, 3
1023 },
1024 {
1025 MESA_FORMAT_RGBA_INT8,
1026 "MESA_FORMAT_RGBA_INT8",
1027 GL_RGBA,
1028 GL_INT,
1029 8, 8, 8, 8,
1030 0, 0, 0, 0, 0,
1031 1, 1, 4
1032 },
1033 {
1034 MESA_FORMAT_R_INT16,
1035 "MESA_FORMAT_R_INT16",
1036 GL_RED,
1037 GL_INT,
1038 16, 0, 0, 0,
1039 0, 0, 0, 0, 0,
1040 1, 1, 2
1041 },
1042 {
1043 MESA_FORMAT_RG_INT16,
1044 "MESA_FORMAT_RG_INT16",
1045 GL_RG,
1046 GL_INT,
1047 16, 16, 0, 0,
1048 0, 0, 0, 0, 0,
1049 1, 1, 4
1050 },
1051 {
1052 MESA_FORMAT_RGB_INT16,
1053 "MESA_FORMAT_RGB_INT16",
1054 GL_RGB,
1055 GL_INT,
1056 16, 16, 16, 0,
1057 0, 0, 0, 0, 0,
1058 1, 1, 6
1059 },
1060 {
1061 MESA_FORMAT_RGBA_INT16,
1062 "MESA_FORMAT_RGBA_INT16",
1063 GL_RGBA,
1064 GL_INT,
1065 16, 16, 16, 16,
1066 0, 0, 0, 0, 0,
1067 1, 1, 8
1068 },
1069 {
1070 MESA_FORMAT_R_INT32,
1071 "MESA_FORMAT_R_INT32",
1072 GL_RED,
1073 GL_INT,
1074 32, 0, 0, 0,
1075 0, 0, 0, 0, 0,
1076 1, 1, 4
1077 },
1078 {
1079 MESA_FORMAT_RG_INT32,
1080 "MESA_FORMAT_RG_INT32",
1081 GL_RG,
1082 GL_INT,
1083 32, 32, 0, 0,
1084 0, 0, 0, 0, 0,
1085 1, 1, 8
1086 },
1087 {
1088 MESA_FORMAT_RGB_INT32,
1089 "MESA_FORMAT_RGB_INT32",
1090 GL_RGB,
1091 GL_INT,
1092 32, 32, 32, 0,
1093 0, 0, 0, 0, 0,
1094 1, 1, 12
1095 },
1096 {
1097 MESA_FORMAT_RGBA_INT32,
1098 "MESA_FORMAT_RGBA_INT32",
1099 GL_RGBA,
1100 GL_INT,
1101 32, 32, 32, 32,
1102 0, 0, 0, 0, 0,
1103 1, 1, 16
1104 },
1105 {
1106 MESA_FORMAT_R_UINT8,
1107 "MESA_FORMAT_R_UINT8",
1108 GL_RED,
1109 GL_UNSIGNED_INT,
1110 8, 0, 0, 0,
1111 0, 0, 0, 0, 0,
1112 1, 1, 1
1113 },
1114 {
1115 MESA_FORMAT_RG_UINT8,
1116 "MESA_FORMAT_RG_UINT8",
1117 GL_RG,
1118 GL_UNSIGNED_INT,
1119 8, 8, 0, 0,
1120 0, 0, 0, 0, 0,
1121 1, 1, 2
1122 },
1123 {
1124 MESA_FORMAT_RGB_UINT8,
1125 "MESA_FORMAT_RGB_UINT8",
1126 GL_RGB,
1127 GL_UNSIGNED_INT,
1128 8, 8, 8, 0,
1129 0, 0, 0, 0, 0,
1130 1, 1, 3
1131 },
1132 {
1133 MESA_FORMAT_RGBA_UINT8,
1134 "MESA_FORMAT_RGBA_UINT8",
1135 GL_RGBA,
1136 GL_UNSIGNED_INT,
1137 8, 8, 8, 8,
1138 0, 0, 0, 0, 0,
1139 1, 1, 4
1140 },
1141 {
1142 MESA_FORMAT_R_UINT16,
1143 "MESA_FORMAT_R_UINT16",
1144 GL_RED,
1145 GL_UNSIGNED_INT,
1146 16, 0, 0, 0,
1147 0, 0, 0, 0, 0,
1148 1, 1, 2
1149 },
1150 {
1151 MESA_FORMAT_RG_UINT16,
1152 "MESA_FORMAT_RG_UINT16",
1153 GL_RG,
1154 GL_UNSIGNED_INT,
1155 16, 16, 0, 0,
1156 0, 0, 0, 0, 0,
1157 1, 1, 4
1158 },
1159 {
1160 MESA_FORMAT_RGB_UINT16,
1161 "MESA_FORMAT_RGB_UINT16",
1162 GL_RGB,
1163 GL_UNSIGNED_INT,
1164 16, 16, 16, 0,
1165 0, 0, 0, 0, 0,
1166 1, 1, 6
1167 },
1168 {
1169 MESA_FORMAT_RGBA_UINT16,
1170 "MESA_FORMAT_RGBA_UINT16",
1171 GL_RGBA,
1172 GL_UNSIGNED_INT,
1173 16, 16, 16, 16,
1174 0, 0, 0, 0, 0,
1175 1, 1, 8
1176 },
1177 {
1178 MESA_FORMAT_R_UINT32,
1179 "MESA_FORMAT_R_UINT32",
1180 GL_RED,
1181 GL_UNSIGNED_INT,
1182 32, 0, 0, 0,
1183 0, 0, 0, 0, 0,
1184 1, 1, 4
1185 },
1186 {
1187 MESA_FORMAT_RG_UINT32,
1188 "MESA_FORMAT_RG_UINT32",
1189 GL_RG,
1190 GL_UNSIGNED_INT,
1191 32, 32, 0, 0,
1192 0, 0, 0, 0, 0,
1193 1, 1, 8
1194 },
1195 {
1196 MESA_FORMAT_RGB_UINT32,
1197 "MESA_FORMAT_RGB_UINT32",
1198 GL_RGB,
1199 GL_UNSIGNED_INT,
1200 32, 32, 32, 0,
1201 0, 0, 0, 0, 0,
1202 1, 1, 12
1203 },
1204 {
1205 MESA_FORMAT_RGBA_UINT32,
1206 "MESA_FORMAT_RGBA_UINT32",
1207 GL_RGBA,
1208 GL_UNSIGNED_INT,
1209 32, 32, 32, 32,
1210 0, 0, 0, 0, 0,
1211 1, 1, 16
1212 },
1213
1214
1215 {
1216 MESA_FORMAT_DUDV8,
1217 "MESA_FORMAT_DUDV8",
1218 GL_DUDV_ATI,
1219 GL_SIGNED_NORMALIZED,
1220 0, 0, 0, 0,
1221 0, 0, 0, 0, 0,
1222 1, 1, 2
1223 },
1224
1225 /* Signed 8 bits / channel */
1226 {
1227 MESA_FORMAT_SIGNED_R8, /* Name */
1228 "MESA_FORMAT_SIGNED_R8", /* StrName */
1229 GL_RED, /* BaseFormat */
1230 GL_SIGNED_NORMALIZED, /* DataType */
1231 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1232 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1233 1, 1, 1 /* BlockWidth/Height,Bytes */
1234 },
1235 {
1236 MESA_FORMAT_SIGNED_RG88_REV,
1237 "MESA_FORMAT_SIGNED_RG88_REV",
1238 GL_RG,
1239 GL_SIGNED_NORMALIZED,
1240 8, 8, 0, 0,
1241 0, 0, 0, 0, 0,
1242 1, 1, 2
1243 },
1244 {
1245 MESA_FORMAT_SIGNED_RGBX8888,
1246 "MESA_FORMAT_SIGNED_RGBX8888",
1247 GL_RGB,
1248 GL_SIGNED_NORMALIZED,
1249 8, 8, 8, 0,
1250 0, 0, 0, 0, 0,
1251 1, 1, 4 /* 4 bpp, but no alpha */
1252 },
1253 {
1254 MESA_FORMAT_SIGNED_RGBA8888,
1255 "MESA_FORMAT_SIGNED_RGBA8888",
1256 GL_RGBA,
1257 GL_SIGNED_NORMALIZED,
1258 8, 8, 8, 8,
1259 0, 0, 0, 0, 0,
1260 1, 1, 4
1261 },
1262 {
1263 MESA_FORMAT_SIGNED_RGBA8888_REV,
1264 "MESA_FORMAT_SIGNED_RGBA8888_REV",
1265 GL_RGBA,
1266 GL_SIGNED_NORMALIZED,
1267 8, 8, 8, 8,
1268 0, 0, 0, 0, 0,
1269 1, 1, 4
1270 },
1271
1272 /* Signed 16 bits / channel */
1273 {
1274 MESA_FORMAT_SIGNED_R16,
1275 "MESA_FORMAT_SIGNED_R16",
1276 GL_RED,
1277 GL_SIGNED_NORMALIZED,
1278 16, 0, 0, 0,
1279 0, 0, 0, 0, 0,
1280 1, 1, 2
1281 },
1282 {
1283 MESA_FORMAT_SIGNED_GR1616,
1284 "MESA_FORMAT_SIGNED_GR1616",
1285 GL_RG,
1286 GL_SIGNED_NORMALIZED,
1287 16, 16, 0, 0,
1288 0, 0, 0, 0, 0,
1289 1, 1, 4
1290 },
1291 {
1292 MESA_FORMAT_SIGNED_RGB_16,
1293 "MESA_FORMAT_SIGNED_RGB_16",
1294 GL_RGB,
1295 GL_SIGNED_NORMALIZED,
1296 16, 16, 16, 0,
1297 0, 0, 0, 0, 0,
1298 1, 1, 6
1299 },
1300 {
1301 MESA_FORMAT_SIGNED_RGBA_16,
1302 "MESA_FORMAT_SIGNED_RGBA_16",
1303 GL_RGBA,
1304 GL_SIGNED_NORMALIZED,
1305 16, 16, 16, 16,
1306 0, 0, 0, 0, 0,
1307 1, 1, 8
1308 },
1309 {
1310 MESA_FORMAT_RGBA_16,
1311 "MESA_FORMAT_RGBA_16",
1312 GL_RGBA,
1313 GL_UNSIGNED_NORMALIZED,
1314 16, 16, 16, 16,
1315 0, 0, 0, 0, 0,
1316 1, 1, 8
1317 },
1318 {
1319 MESA_FORMAT_RED_RGTC1,
1320 "MESA_FORMAT_RED_RGTC1",
1321 GL_RED,
1322 GL_UNSIGNED_NORMALIZED,
1323 8, 0, 0, 0,
1324 0, 0, 0, 0, 0,
1325 4, 4, 8 /* 8 bytes per 4x4 block */
1326 },
1327 {
1328 MESA_FORMAT_SIGNED_RED_RGTC1,
1329 "MESA_FORMAT_SIGNED_RED_RGTC1",
1330 GL_RED,
1331 GL_SIGNED_NORMALIZED,
1332 8, 0, 0, 0,
1333 0, 0, 0, 0, 0,
1334 4, 4, 8 /* 8 bytes per 4x4 block */
1335 },
1336 {
1337 MESA_FORMAT_RG_RGTC2,
1338 "MESA_FORMAT_RG_RGTC2",
1339 GL_RG,
1340 GL_UNSIGNED_NORMALIZED,
1341 8, 8, 0, 0,
1342 0, 0, 0, 0, 0,
1343 4, 4, 16 /* 16 bytes per 4x4 block */
1344 },
1345 {
1346 MESA_FORMAT_SIGNED_RG_RGTC2,
1347 "MESA_FORMAT_SIGNED_RG_RGTC2",
1348 GL_RG,
1349 GL_SIGNED_NORMALIZED,
1350 8, 8, 0, 0,
1351 0, 0, 0, 0, 0,
1352 4, 4, 16 /* 16 bytes per 4x4 block */
1353 },
1354 {
1355 MESA_FORMAT_L_LATC1,
1356 "MESA_FORMAT_L_LATC1",
1357 GL_LUMINANCE,
1358 GL_UNSIGNED_NORMALIZED,
1359 0, 0, 0, 0,
1360 4, 0, 0, 0, 0,
1361 4, 4, 8 /* 8 bytes per 4x4 block */
1362 },
1363 {
1364 MESA_FORMAT_SIGNED_L_LATC1,
1365 "MESA_FORMAT_SIGNED_L_LATC1",
1366 GL_LUMINANCE,
1367 GL_SIGNED_NORMALIZED,
1368 0, 0, 0, 0,
1369 4, 0, 0, 0, 0,
1370 4, 4, 8 /* 8 bytes per 4x4 block */
1371 },
1372 {
1373 MESA_FORMAT_LA_LATC2,
1374 "MESA_FORMAT_LA_LATC2",
1375 GL_LUMINANCE_ALPHA,
1376 GL_UNSIGNED_NORMALIZED,
1377 0, 0, 0, 4,
1378 4, 0, 0, 0, 0,
1379 4, 4, 16 /* 16 bytes per 4x4 block */
1380 },
1381 {
1382 MESA_FORMAT_SIGNED_LA_LATC2,
1383 "MESA_FORMAT_SIGNED_LA_LATC2",
1384 GL_LUMINANCE_ALPHA,
1385 GL_SIGNED_NORMALIZED,
1386 0, 0, 0, 4,
1387 4, 0, 0, 0, 0,
1388 4, 4, 16 /* 16 bytes per 4x4 block */
1389 },
1390
1391 {
1392 MESA_FORMAT_ETC1_RGB8,
1393 "MESA_FORMAT_ETC1_RGB8",
1394 GL_RGB,
1395 GL_UNSIGNED_NORMALIZED,
1396 8, 8, 8, 0,
1397 0, 0, 0, 0, 0,
1398 4, 4, 8 /* 8 bytes per 4x4 block */
1399 },
1400
1401 {
1402 MESA_FORMAT_ETC2_RGB8,
1403 "MESA_FORMAT_ETC2_RGB8",
1404 GL_RGB,
1405 GL_UNSIGNED_NORMALIZED,
1406 8, 8, 8, 0,
1407 0, 0, 0, 0, 0,
1408 4, 4, 8 /* 8 bytes per 4x4 block */
1409 },
1410
1411 {
1412 MESA_FORMAT_ETC2_SRGB8,
1413 "MESA_FORMAT_ETC2_SRGB8",
1414 GL_RGB,
1415 GL_UNSIGNED_NORMALIZED,
1416 8, 8, 8, 0,
1417 0, 0, 0, 0, 0,
1418 4, 4, 8 /* 8 bytes per 4x4 block */
1419 },
1420
1421 {
1422 MESA_FORMAT_ETC2_RGBA8_EAC,
1423 "MESA_FORMAT_ETC2_RGBA8_EAC",
1424 GL_RGBA,
1425 GL_UNSIGNED_NORMALIZED,
1426 8, 8, 8, 8,
1427 0, 0, 0, 0, 0,
1428 4, 4, 16 /* 16 bytes per 4x4 block */
1429 },
1430
1431 {
1432 MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC,
1433 "MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC",
1434 GL_RGBA,
1435 GL_UNSIGNED_NORMALIZED,
1436 8, 8, 8, 8,
1437 0, 0, 0, 0, 0,
1438 4, 4, 16 /* 16 bytes per 4x4 block */
1439 },
1440
1441 {
1442 MESA_FORMAT_ETC2_R11_EAC,
1443 "MESA_FORMAT_ETC2_R11_EAC",
1444 GL_RED,
1445 GL_UNSIGNED_NORMALIZED,
1446 11, 0, 0, 0,
1447 0, 0, 0, 0, 0,
1448 4, 4, 8 /* 8 bytes per 4x4 block */
1449 },
1450
1451 {
1452 MESA_FORMAT_ETC2_RG11_EAC,
1453 "MESA_FORMAT_ETC2_RG11_EAC",
1454 GL_RG,
1455 GL_UNSIGNED_NORMALIZED,
1456 11, 11, 0, 0,
1457 0, 0, 0, 0, 0,
1458 4, 4, 16 /* 16 bytes per 4x4 block */
1459 },
1460
1461 {
1462 MESA_FORMAT_ETC2_SIGNED_R11_EAC,
1463 "MESA_FORMAT_ETC2_SIGNED_R11_EAC",
1464 GL_RED,
1465 GL_SIGNED_NORMALIZED,
1466 11, 0, 0, 0,
1467 0, 0, 0, 0, 0,
1468 4, 4, 8 /* 8 bytes per 4x4 block */
1469 },
1470
1471 {
1472 MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
1473 "MESA_FORMAT_ETC2_SIGNED_RG11_EAC",
1474 GL_RG,
1475 GL_SIGNED_NORMALIZED,
1476 11, 11, 0, 0,
1477 0, 0, 0, 0, 0,
1478 4, 4, 16 /* 16 bytes per 4x4 block */
1479 },
1480
1481 {
1482 MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
1483 "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
1484 GL_RGBA,
1485 GL_UNSIGNED_NORMALIZED,
1486 8, 8, 8, 1,
1487 0, 0, 0, 0, 0,
1488 4, 4, 8 /* 8 bytes per 4x4 block */
1489 },
1490
1491 {
1492 MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
1493 "MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1",
1494 GL_RGBA,
1495 GL_UNSIGNED_NORMALIZED,
1496 8, 8, 8, 1,
1497 0, 0, 0, 0, 0,
1498 4, 4, 8 /* 8 bytes per 4x4 block */
1499 },
1500
1501 /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
1502 {
1503 MESA_FORMAT_SIGNED_A8,
1504 "MESA_FORMAT_SIGNED_A8",
1505 GL_ALPHA,
1506 GL_SIGNED_NORMALIZED,
1507 0, 0, 0, 8,
1508 0, 0, 0, 0, 0,
1509 1, 1, 1
1510 },
1511 {
1512 MESA_FORMAT_SIGNED_L8,
1513 "MESA_FORMAT_SIGNED_L8",
1514 GL_LUMINANCE,
1515 GL_SIGNED_NORMALIZED,
1516 0, 0, 0, 0,
1517 8, 0, 0, 0, 0,
1518 1, 1, 1
1519 },
1520 {
1521 MESA_FORMAT_SIGNED_AL88,
1522 "MESA_FORMAT_SIGNED_AL88",
1523 GL_LUMINANCE_ALPHA,
1524 GL_SIGNED_NORMALIZED,
1525 0, 0, 0, 8,
1526 8, 0, 0, 0, 0,
1527 1, 1, 2
1528 },
1529 {
1530 MESA_FORMAT_SIGNED_I8,
1531 "MESA_FORMAT_SIGNED_I8",
1532 GL_INTENSITY,
1533 GL_SIGNED_NORMALIZED,
1534 0, 0, 0, 0,
1535 0, 8, 0, 0, 0,
1536 1, 1, 1
1537 },
1538 {
1539 MESA_FORMAT_SIGNED_A16,
1540 "MESA_FORMAT_SIGNED_A16",
1541 GL_ALPHA,
1542 GL_SIGNED_NORMALIZED,
1543 0, 0, 0, 16,
1544 0, 0, 0, 0, 0,
1545 1, 1, 2
1546 },
1547 {
1548 MESA_FORMAT_SIGNED_L16,
1549 "MESA_FORMAT_SIGNED_L16",
1550 GL_LUMINANCE,
1551 GL_SIGNED_NORMALIZED,
1552 0, 0, 0, 0,
1553 16, 0, 0, 0, 0,
1554 1, 1, 2
1555 },
1556 {
1557 MESA_FORMAT_SIGNED_AL1616,
1558 "MESA_FORMAT_SIGNED_AL1616",
1559 GL_LUMINANCE_ALPHA,
1560 GL_SIGNED_NORMALIZED,
1561 0, 0, 0, 16,
1562 16, 0, 0, 0, 0,
1563 1, 1, 4
1564 },
1565 {
1566 MESA_FORMAT_SIGNED_I16,
1567 "MESA_FORMAT_SIGNED_I16",
1568 GL_INTENSITY,
1569 GL_SIGNED_NORMALIZED,
1570 0, 0, 0, 0,
1571 0, 16, 0, 0, 0,
1572 1, 1, 2
1573 },
1574 {
1575 MESA_FORMAT_RGB9_E5_FLOAT,
1576 "MESA_FORMAT_RGB9_E5",
1577 GL_RGB,
1578 GL_FLOAT,
1579 9, 9, 9, 0,
1580 0, 0, 0, 0, 0,
1581 1, 1, 4
1582 },
1583 {
1584 MESA_FORMAT_R11_G11_B10_FLOAT,
1585 "MESA_FORMAT_R11_G11_B10_FLOAT",
1586 GL_RGB,
1587 GL_FLOAT,
1588 11, 11, 10, 0,
1589 0, 0, 0, 0, 0,
1590 1, 1, 4
1591 },
1592 /* ARB_depth_buffer_float */
1593 {
1594 MESA_FORMAT_Z32_FLOAT, /* Name */
1595 "MESA_FORMAT_Z32_FLOAT", /* StrName */
1596 GL_DEPTH_COMPONENT, /* BaseFormat */
1597 GL_FLOAT, /* DataType */
1598 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1599 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
1600 1, 1, 4 /* BlockWidth/Height,Bytes */
1601 },
1602 {
1603 MESA_FORMAT_Z32_FLOAT_X24S8, /* Name */
1604 "MESA_FORMAT_Z32_FLOAT_X24S8", /* StrName */
1605 GL_DEPTH_STENCIL, /* BaseFormat */
1606 /* DataType here is used to answer GL_TEXTURE_DEPTH_TYPE queries, and is
1607 * never used for stencil because stencil is always GL_UNSIGNED_INT.
1608 */
1609 GL_FLOAT, /* DataType */
1610 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1611 0, 0, 0, 32, 8, /* Lum/Int/Index/Depth/StencilBits */
1612 1, 1, 8 /* BlockWidth/Height,Bytes */
1613 },
1614 {
1615 MESA_FORMAT_ARGB2101010_UINT,
1616 "MESA_FORMAT_ARGB2101010_UINT",
1617 GL_RGBA,
1618 GL_UNSIGNED_INT,
1619 10, 10, 10, 2,
1620 0, 0, 0, 0, 0,
1621 1, 1, 4
1622 },
1623 {
1624 MESA_FORMAT_ABGR2101010_UINT,
1625 "MESA_FORMAT_ABGR2101010_UINT",
1626 GL_RGBA,
1627 GL_UNSIGNED_INT,
1628 10, 10, 10, 2,
1629 0, 0, 0, 0, 0,
1630 1, 1, 4
1631 },
1632 {
1633 MESA_FORMAT_XRGB4444_UNORM,
1634 "MESA_FORMAT_XRGB4444_UNORM",
1635 GL_RGB,
1636 GL_UNSIGNED_NORMALIZED,
1637 4, 4, 4, 0,
1638 0, 0, 0, 0, 0,
1639 1, 1, 2
1640 },
1641 {
1642 MESA_FORMAT_XRGB1555_UNORM,
1643 "MESA_FORMAT_XRGB1555_UNORM",
1644 GL_RGB,
1645 GL_UNSIGNED_NORMALIZED,
1646 5, 5, 5, 0,
1647 0, 0, 0, 0, 0,
1648 1, 1, 2
1649 },
1650 {
1651 MESA_FORMAT_XBGR8888_SNORM,
1652 "MESA_FORMAT_XBGR8888_SNORM",
1653 GL_RGB,
1654 GL_SIGNED_NORMALIZED,
1655 8, 8, 8, 0,
1656 0, 0, 0, 0, 0,
1657 1, 1, 4
1658 },
1659 {
1660 MESA_FORMAT_XBGR8888_SRGB,
1661 "MESA_FORMAT_XBGR8888_SRGB",
1662 GL_RGB,
1663 GL_UNSIGNED_NORMALIZED,
1664 8, 8, 8, 0,
1665 0, 0, 0, 0, 0,
1666 1, 1, 4
1667 },
1668 {
1669 MESA_FORMAT_XBGR8888_UINT,
1670 "MESA_FORMAT_XBGR8888_UINT",
1671 GL_RGB,
1672 GL_UNSIGNED_INT,
1673 8, 8, 8, 0,
1674 0, 0, 0, 0, 0,
1675 1, 1, 4
1676 },
1677 {
1678 MESA_FORMAT_XBGR8888_SINT,
1679 "MESA_FORMAT_XBGR8888_SINT",
1680 GL_RGB,
1681 GL_INT,
1682 8, 8, 8, 0,
1683 0, 0, 0, 0, 0,
1684 1, 1, 4
1685 },
1686 {
1687 MESA_FORMAT_XRGB2101010_UNORM,
1688 "MESA_FORMAT_XRGB2101010_UNORM",
1689 GL_RGB,
1690 GL_UNSIGNED_NORMALIZED,
1691 10, 10, 10, 0,
1692 0, 0, 0, 0, 0,
1693 1, 1, 4
1694 },
1695 {
1696 MESA_FORMAT_XBGR16161616_UNORM,
1697 "MESA_FORMAT_XBGR16161616_UNORM",
1698 GL_RGB,
1699 GL_UNSIGNED_NORMALIZED,
1700 16, 16, 16, 0,
1701 0, 0, 0, 0, 0,
1702 1, 1, 8
1703 },
1704 {
1705 MESA_FORMAT_XBGR16161616_SNORM,
1706 "MESA_FORMAT_XBGR16161616_SNORM",
1707 GL_RGB,
1708 GL_SIGNED_NORMALIZED,
1709 16, 16, 16, 0,
1710 0, 0, 0, 0, 0,
1711 1, 1, 8
1712 },
1713 {
1714 MESA_FORMAT_XBGR16161616_FLOAT,
1715 "MESA_FORMAT_XBGR16161616_FLOAT",
1716 GL_RGB,
1717 GL_FLOAT,
1718 16, 16, 16, 0,
1719 0, 0, 0, 0, 0,
1720 1, 1, 8
1721 },
1722 {
1723 MESA_FORMAT_XBGR16161616_UINT,
1724 "MESA_FORMAT_XBGR16161616_UINT",
1725 GL_RGB,
1726 GL_UNSIGNED_INT,
1727 16, 16, 16, 0,
1728 0, 0, 0, 0, 0,
1729 1, 1, 8
1730 },
1731 {
1732 MESA_FORMAT_XBGR16161616_SINT,
1733 "MESA_FORMAT_XBGR16161616_SINT",
1734 GL_RGB,
1735 GL_INT,
1736 16, 16, 16, 0,
1737 0, 0, 0, 0, 0,
1738 1, 1, 8
1739 },
1740 {
1741 MESA_FORMAT_XBGR32323232_FLOAT,
1742 "MESA_FORMAT_XBGR32323232_FLOAT",
1743 GL_RGB,
1744 GL_FLOAT,
1745 32, 32, 32, 0,
1746 0, 0, 0, 0, 0,
1747 1, 1, 16
1748 },
1749 {
1750 MESA_FORMAT_XBGR32323232_UINT,
1751 "MESA_FORMAT_XBGR32323232_UINT",
1752 GL_RGB,
1753 GL_UNSIGNED_INT,
1754 32, 32, 32, 0,
1755 0, 0, 0, 0, 0,
1756 1, 1, 16
1757 },
1758 {
1759 MESA_FORMAT_XBGR32323232_SINT,
1760 "MESA_FORMAT_XBGR32323232_SINT",
1761 GL_RGB,
1762 GL_INT,
1763 32, 32, 32, 0,
1764 0, 0, 0, 0, 0,
1765 1, 1, 16
1766 },
1767 };
1768
1769
1770
1771 static const struct gl_format_info *
1772 _mesa_get_format_info(gl_format format)
1773 {
1774 const struct gl_format_info *info = &format_info[format];
1775 assert(info->Name == format);
1776 return info;
1777 }
1778
1779
1780 /** Return string name of format (for debugging) */
1781 const char *
1782 _mesa_get_format_name(gl_format format)
1783 {
1784 const struct gl_format_info *info = _mesa_get_format_info(format);
1785 return info->StrName;
1786 }
1787
1788
1789
1790 /**
1791 * Return bytes needed to store a block of pixels in the given format.
1792 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1793 * a block may be 4x4 or 8x4, etc.
1794 *
1795 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1796 */
1797 GLint
1798 _mesa_get_format_bytes(gl_format format)
1799 {
1800 const struct gl_format_info *info = _mesa_get_format_info(format);
1801 ASSERT(info->BytesPerBlock);
1802 ASSERT(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
1803 _mesa_is_format_compressed(format));
1804 return info->BytesPerBlock;
1805 }
1806
1807
1808 /**
1809 * Return bits per component for the given format.
1810 * \param format one of MESA_FORMAT_x
1811 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1812 */
1813 GLint
1814 _mesa_get_format_bits(gl_format format, GLenum pname)
1815 {
1816 const struct gl_format_info *info = _mesa_get_format_info(format);
1817
1818 switch (pname) {
1819 case GL_RED_BITS:
1820 case GL_TEXTURE_RED_SIZE:
1821 case GL_RENDERBUFFER_RED_SIZE_EXT:
1822 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
1823 return info->RedBits;
1824 case GL_GREEN_BITS:
1825 case GL_TEXTURE_GREEN_SIZE:
1826 case GL_RENDERBUFFER_GREEN_SIZE_EXT:
1827 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
1828 return info->GreenBits;
1829 case GL_BLUE_BITS:
1830 case GL_TEXTURE_BLUE_SIZE:
1831 case GL_RENDERBUFFER_BLUE_SIZE_EXT:
1832 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
1833 return info->BlueBits;
1834 case GL_ALPHA_BITS:
1835 case GL_TEXTURE_ALPHA_SIZE:
1836 case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
1837 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
1838 return info->AlphaBits;
1839 case GL_TEXTURE_INTENSITY_SIZE:
1840 return info->IntensityBits;
1841 case GL_TEXTURE_LUMINANCE_SIZE:
1842 return info->LuminanceBits;
1843 case GL_INDEX_BITS:
1844 return info->IndexBits;
1845 case GL_DEPTH_BITS:
1846 case GL_TEXTURE_DEPTH_SIZE_ARB:
1847 case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
1848 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
1849 return info->DepthBits;
1850 case GL_STENCIL_BITS:
1851 case GL_TEXTURE_STENCIL_SIZE_EXT:
1852 case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
1853 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
1854 return info->StencilBits;
1855 default:
1856 _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
1857 return 0;
1858 }
1859 }
1860
1861
1862 GLuint
1863 _mesa_get_format_max_bits(gl_format format)
1864 {
1865 const struct gl_format_info *info = _mesa_get_format_info(format);
1866 GLuint max = MAX2(info->RedBits, info->GreenBits);
1867 max = MAX2(max, info->BlueBits);
1868 max = MAX2(max, info->AlphaBits);
1869 max = MAX2(max, info->LuminanceBits);
1870 max = MAX2(max, info->IntensityBits);
1871 max = MAX2(max, info->DepthBits);
1872 max = MAX2(max, info->StencilBits);
1873 return max;
1874 }
1875
1876
1877 /**
1878 * Return the data type (or more specifically, the data representation)
1879 * for the given format.
1880 * The return value will be one of:
1881 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1882 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1883 * GL_UNSIGNED_INT = an ordinary unsigned integer
1884 * GL_INT = an ordinary signed integer
1885 * GL_FLOAT = an ordinary float
1886 */
1887 GLenum
1888 _mesa_get_format_datatype(gl_format format)
1889 {
1890 const struct gl_format_info *info = _mesa_get_format_info(format);
1891 return info->DataType;
1892 }
1893
1894
1895 /**
1896 * Return the basic format for the given type. The result will be one of
1897 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1898 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1899 */
1900 GLenum
1901 _mesa_get_format_base_format(gl_format format)
1902 {
1903 const struct gl_format_info *info = _mesa_get_format_info(format);
1904 return info->BaseFormat;
1905 }
1906
1907
1908 /**
1909 * Return the block size (in pixels) for the given format. Normally
1910 * the block size is 1x1. But compressed formats will have block sizes
1911 * of 4x4 or 8x4 pixels, etc.
1912 * \param bw returns block width in pixels
1913 * \param bh returns block height in pixels
1914 */
1915 void
1916 _mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
1917 {
1918 const struct gl_format_info *info = _mesa_get_format_info(format);
1919 *bw = info->BlockWidth;
1920 *bh = info->BlockHeight;
1921 }
1922
1923
1924 /** Is the given format a compressed format? */
1925 GLboolean
1926 _mesa_is_format_compressed(gl_format format)
1927 {
1928 const struct gl_format_info *info = _mesa_get_format_info(format);
1929 return info->BlockWidth > 1 || info->BlockHeight > 1;
1930 }
1931
1932
1933 /**
1934 * Determine if the given format represents a packed depth/stencil buffer.
1935 */
1936 GLboolean
1937 _mesa_is_format_packed_depth_stencil(gl_format format)
1938 {
1939 const struct gl_format_info *info = _mesa_get_format_info(format);
1940
1941 return info->BaseFormat == GL_DEPTH_STENCIL;
1942 }
1943
1944
1945 /**
1946 * Is the given format a signed/unsigned integer color format?
1947 */
1948 GLboolean
1949 _mesa_is_format_integer_color(gl_format format)
1950 {
1951 const struct gl_format_info *info = _mesa_get_format_info(format);
1952 return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
1953 info->BaseFormat != GL_DEPTH_COMPONENT &&
1954 info->BaseFormat != GL_DEPTH_STENCIL &&
1955 info->BaseFormat != GL_STENCIL_INDEX;
1956 }
1957
1958
1959 /**
1960 * Is the given format an unsigned integer format?
1961 */
1962 GLboolean
1963 _mesa_is_format_unsigned(gl_format format)
1964 {
1965 const struct gl_format_info *info = _mesa_get_format_info(format);
1966 return _mesa_is_type_unsigned(info->DataType);
1967 }
1968
1969
1970 /**
1971 * Return color encoding for given format.
1972 * \return GL_LINEAR or GL_SRGB
1973 */
1974 GLenum
1975 _mesa_get_format_color_encoding(gl_format format)
1976 {
1977 /* XXX this info should be encoded in gl_format_info */
1978 switch (format) {
1979 case MESA_FORMAT_SRGB8:
1980 case MESA_FORMAT_SRGBA8:
1981 case MESA_FORMAT_SARGB8:
1982 case MESA_FORMAT_SL8:
1983 case MESA_FORMAT_SLA8:
1984 case MESA_FORMAT_SRGB_DXT1:
1985 case MESA_FORMAT_SRGBA_DXT1:
1986 case MESA_FORMAT_SRGBA_DXT3:
1987 case MESA_FORMAT_SRGBA_DXT5:
1988 case MESA_FORMAT_XBGR8888_SRGB:
1989 return GL_SRGB;
1990 default:
1991 return GL_LINEAR;
1992 }
1993 }
1994
1995
1996 /**
1997 * For an sRGB format, return the corresponding linear color space format.
1998 * For non-sRGB formats, return the format as-is.
1999 */
2000 gl_format
2001 _mesa_get_srgb_format_linear(gl_format format)
2002 {
2003 switch (format) {
2004 case MESA_FORMAT_SRGB8:
2005 format = MESA_FORMAT_RGB888;
2006 break;
2007 case MESA_FORMAT_SRGBA8:
2008 format = MESA_FORMAT_RGBA8888;
2009 break;
2010 case MESA_FORMAT_SARGB8:
2011 format = MESA_FORMAT_ARGB8888;
2012 break;
2013 case MESA_FORMAT_SL8:
2014 format = MESA_FORMAT_L8;
2015 break;
2016 case MESA_FORMAT_SLA8:
2017 format = MESA_FORMAT_AL88;
2018 break;
2019 case MESA_FORMAT_SRGB_DXT1:
2020 format = MESA_FORMAT_RGB_DXT1;
2021 break;
2022 case MESA_FORMAT_SRGBA_DXT1:
2023 format = MESA_FORMAT_RGBA_DXT1;
2024 break;
2025 case MESA_FORMAT_SRGBA_DXT3:
2026 format = MESA_FORMAT_RGBA_DXT3;
2027 break;
2028 case MESA_FORMAT_SRGBA_DXT5:
2029 format = MESA_FORMAT_RGBA_DXT5;
2030 break;
2031 case MESA_FORMAT_XBGR8888_SRGB:
2032 format = MESA_FORMAT_RGBX8888_REV;
2033 break;
2034 default:
2035 break;
2036 }
2037 return format;
2038 }
2039
2040
2041 /**
2042 * If the given format is a compressed format, return a corresponding
2043 * uncompressed format.
2044 */
2045 gl_format
2046 _mesa_get_uncompressed_format(gl_format format)
2047 {
2048 switch (format) {
2049 case MESA_FORMAT_RGB_FXT1:
2050 return MESA_FORMAT_RGB888;
2051 case MESA_FORMAT_RGBA_FXT1:
2052 return MESA_FORMAT_RGBA8888;
2053 case MESA_FORMAT_RGB_DXT1:
2054 case MESA_FORMAT_SRGB_DXT1:
2055 return MESA_FORMAT_RGB888;
2056 case MESA_FORMAT_RGBA_DXT1:
2057 case MESA_FORMAT_SRGBA_DXT1:
2058 return MESA_FORMAT_RGBA8888;
2059 case MESA_FORMAT_RGBA_DXT3:
2060 case MESA_FORMAT_SRGBA_DXT3:
2061 return MESA_FORMAT_RGBA8888;
2062 case MESA_FORMAT_RGBA_DXT5:
2063 case MESA_FORMAT_SRGBA_DXT5:
2064 return MESA_FORMAT_RGBA8888;
2065 case MESA_FORMAT_RED_RGTC1:
2066 return MESA_FORMAT_R8;
2067 case MESA_FORMAT_SIGNED_RED_RGTC1:
2068 return MESA_FORMAT_SIGNED_R8;
2069 case MESA_FORMAT_RG_RGTC2:
2070 return MESA_FORMAT_GR88;
2071 case MESA_FORMAT_SIGNED_RG_RGTC2:
2072 return MESA_FORMAT_SIGNED_RG88_REV;
2073 case MESA_FORMAT_L_LATC1:
2074 return MESA_FORMAT_L8;
2075 case MESA_FORMAT_SIGNED_L_LATC1:
2076 return MESA_FORMAT_SIGNED_L8;
2077 case MESA_FORMAT_LA_LATC2:
2078 return MESA_FORMAT_AL88;
2079 case MESA_FORMAT_SIGNED_LA_LATC2:
2080 return MESA_FORMAT_SIGNED_AL88;
2081 case MESA_FORMAT_ETC1_RGB8:
2082 case MESA_FORMAT_ETC2_RGB8:
2083 case MESA_FORMAT_ETC2_SRGB8:
2084 return MESA_FORMAT_RGB888;
2085 case MESA_FORMAT_ETC2_RGBA8_EAC:
2086 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2087 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2088 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2089 return MESA_FORMAT_RGBA8888;
2090 case MESA_FORMAT_ETC2_R11_EAC:
2091 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2092 return MESA_FORMAT_R16;
2093 case MESA_FORMAT_ETC2_RG11_EAC:
2094 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2095 return MESA_FORMAT_GR1616;
2096 default:
2097 #ifdef DEBUG
2098 assert(!_mesa_is_format_compressed(format));
2099 #endif
2100 return format;
2101 }
2102 }
2103
2104
2105 GLuint
2106 _mesa_format_num_components(gl_format format)
2107 {
2108 const struct gl_format_info *info = _mesa_get_format_info(format);
2109 return ((info->RedBits > 0) +
2110 (info->GreenBits > 0) +
2111 (info->BlueBits > 0) +
2112 (info->AlphaBits > 0) +
2113 (info->LuminanceBits > 0) +
2114 (info->IntensityBits > 0) +
2115 (info->DepthBits > 0) +
2116 (info->StencilBits > 0));
2117 }
2118
2119
2120 /**
2121 * Return number of bytes needed to store an image of the given size
2122 * in the given format.
2123 */
2124 GLuint
2125 _mesa_format_image_size(gl_format format, GLsizei width,
2126 GLsizei height, GLsizei depth)
2127 {
2128 const struct gl_format_info *info = _mesa_get_format_info(format);
2129 /* Strictly speaking, a conditional isn't needed here */
2130 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2131 /* compressed format (2D only for now) */
2132 const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
2133 const GLuint wblocks = (width + bw - 1) / bw;
2134 const GLuint hblocks = (height + bh - 1) / bh;
2135 const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
2136 return sz * depth;
2137 }
2138 else {
2139 /* non-compressed */
2140 const GLuint sz = width * height * depth * info->BytesPerBlock;
2141 return sz;
2142 }
2143 }
2144
2145
2146 /**
2147 * Same as _mesa_format_image_size() but returns a 64-bit value to
2148 * accomodate very large textures.
2149 */
2150 uint64_t
2151 _mesa_format_image_size64(gl_format format, GLsizei width,
2152 GLsizei height, GLsizei depth)
2153 {
2154 const struct gl_format_info *info = _mesa_get_format_info(format);
2155 /* Strictly speaking, a conditional isn't needed here */
2156 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2157 /* compressed format (2D only for now) */
2158 const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
2159 const uint64_t wblocks = (width + bw - 1) / bw;
2160 const uint64_t hblocks = (height + bh - 1) / bh;
2161 const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
2162 return sz * depth;
2163 }
2164 else {
2165 /* non-compressed */
2166 const uint64_t sz = ((uint64_t) width *
2167 (uint64_t) height *
2168 (uint64_t) depth *
2169 info->BytesPerBlock);
2170 return sz;
2171 }
2172 }
2173
2174
2175
2176 GLint
2177 _mesa_format_row_stride(gl_format format, GLsizei width)
2178 {
2179 const struct gl_format_info *info = _mesa_get_format_info(format);
2180 /* Strictly speaking, a conditional isn't needed here */
2181 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2182 /* compressed format */
2183 const GLuint bw = info->BlockWidth;
2184 const GLuint wblocks = (width + bw - 1) / bw;
2185 const GLint stride = wblocks * info->BytesPerBlock;
2186 return stride;
2187 }
2188 else {
2189 const GLint stride = width * info->BytesPerBlock;
2190 return stride;
2191 }
2192 }
2193
2194
2195 /**
2196 * Debug/test: check that all formats are handled in the
2197 * _mesa_format_to_type_and_comps() function. When new pixel formats
2198 * are added to Mesa, that function needs to be updated.
2199 * This is a no-op after the first call.
2200 */
2201 static void
2202 check_format_to_type_and_comps(void)
2203 {
2204 gl_format f;
2205
2206 for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
2207 GLenum datatype = 0;
2208 GLuint comps = 0;
2209 /* This function will emit a problem/warning if the format is
2210 * not handled.
2211 */
2212 _mesa_format_to_type_and_comps(f, &datatype, &comps);
2213 }
2214 }
2215
2216
2217 /**
2218 * Do sanity checking of the format info table.
2219 */
2220 void
2221 _mesa_test_formats(void)
2222 {
2223 GLuint i;
2224
2225 STATIC_ASSERT(Elements(format_info) == MESA_FORMAT_COUNT);
2226
2227 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
2228 const struct gl_format_info *info = _mesa_get_format_info(i);
2229 assert(info);
2230
2231 assert(info->Name == i);
2232
2233 if (info->Name == MESA_FORMAT_NONE)
2234 continue;
2235
2236 if (info->BlockWidth == 1 && info->BlockHeight == 1) {
2237 if (info->RedBits > 0) {
2238 GLuint t = info->RedBits + info->GreenBits
2239 + info->BlueBits + info->AlphaBits;
2240 assert(t / 8 <= info->BytesPerBlock);
2241 (void) t;
2242 }
2243 }
2244
2245 assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
2246 info->DataType == GL_SIGNED_NORMALIZED ||
2247 info->DataType == GL_UNSIGNED_INT ||
2248 info->DataType == GL_INT ||
2249 info->DataType == GL_FLOAT ||
2250 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2251 info->DataType == GL_NONE);
2252
2253 if (info->BaseFormat == GL_RGB) {
2254 assert(info->RedBits > 0);
2255 assert(info->GreenBits > 0);
2256 assert(info->BlueBits > 0);
2257 assert(info->AlphaBits == 0);
2258 assert(info->LuminanceBits == 0);
2259 assert(info->IntensityBits == 0);
2260 }
2261 else if (info->BaseFormat == GL_RGBA) {
2262 assert(info->RedBits > 0);
2263 assert(info->GreenBits > 0);
2264 assert(info->BlueBits > 0);
2265 assert(info->AlphaBits > 0);
2266 assert(info->LuminanceBits == 0);
2267 assert(info->IntensityBits == 0);
2268 }
2269 else if (info->BaseFormat == GL_RG) {
2270 assert(info->RedBits > 0);
2271 assert(info->GreenBits > 0);
2272 assert(info->BlueBits == 0);
2273 assert(info->AlphaBits == 0);
2274 assert(info->LuminanceBits == 0);
2275 assert(info->IntensityBits == 0);
2276 }
2277 else if (info->BaseFormat == GL_RED) {
2278 assert(info->RedBits > 0);
2279 assert(info->GreenBits == 0);
2280 assert(info->BlueBits == 0);
2281 assert(info->AlphaBits == 0);
2282 assert(info->LuminanceBits == 0);
2283 assert(info->IntensityBits == 0);
2284 }
2285 else if (info->BaseFormat == GL_LUMINANCE) {
2286 assert(info->RedBits == 0);
2287 assert(info->GreenBits == 0);
2288 assert(info->BlueBits == 0);
2289 assert(info->AlphaBits == 0);
2290 assert(info->LuminanceBits > 0);
2291 assert(info->IntensityBits == 0);
2292 }
2293 else if (info->BaseFormat == GL_INTENSITY) {
2294 assert(info->RedBits == 0);
2295 assert(info->GreenBits == 0);
2296 assert(info->BlueBits == 0);
2297 assert(info->AlphaBits == 0);
2298 assert(info->LuminanceBits == 0);
2299 assert(info->IntensityBits > 0);
2300 }
2301 }
2302
2303 check_format_to_type_and_comps();
2304 }
2305
2306
2307
2308 /**
2309 * Return datatype and number of components per texel for the given gl_format.
2310 * Only used for mipmap generation code.
2311 */
2312 void
2313 _mesa_format_to_type_and_comps(gl_format format,
2314 GLenum *datatype, GLuint *comps)
2315 {
2316 switch (format) {
2317 case MESA_FORMAT_RGBA8888:
2318 case MESA_FORMAT_RGBA8888_REV:
2319 case MESA_FORMAT_ARGB8888:
2320 case MESA_FORMAT_ARGB8888_REV:
2321 case MESA_FORMAT_RGBX8888:
2322 case MESA_FORMAT_RGBX8888_REV:
2323 case MESA_FORMAT_XRGB8888:
2324 case MESA_FORMAT_XRGB8888_REV:
2325 *datatype = GL_UNSIGNED_BYTE;
2326 *comps = 4;
2327 return;
2328 case MESA_FORMAT_RGB888:
2329 case MESA_FORMAT_BGR888:
2330 *datatype = GL_UNSIGNED_BYTE;
2331 *comps = 3;
2332 return;
2333 case MESA_FORMAT_RGB565:
2334 case MESA_FORMAT_RGB565_REV:
2335 *datatype = GL_UNSIGNED_SHORT_5_6_5;
2336 *comps = 3;
2337 return;
2338
2339 case MESA_FORMAT_ARGB4444:
2340 case MESA_FORMAT_ARGB4444_REV:
2341 case MESA_FORMAT_XRGB4444_UNORM:
2342 *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
2343 *comps = 4;
2344 return;
2345
2346 case MESA_FORMAT_ARGB1555:
2347 case MESA_FORMAT_ARGB1555_REV:
2348 case MESA_FORMAT_XRGB1555_UNORM:
2349 *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
2350 *comps = 4;
2351 return;
2352
2353 case MESA_FORMAT_ARGB2101010:
2354 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2355 *comps = 4;
2356 return;
2357
2358 case MESA_FORMAT_RGBA5551:
2359 *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
2360 *comps = 4;
2361 return;
2362
2363 case MESA_FORMAT_AL44:
2364 *datatype = MESA_UNSIGNED_BYTE_4_4;
2365 *comps = 2;
2366 return;
2367
2368 case MESA_FORMAT_AL88:
2369 case MESA_FORMAT_AL88_REV:
2370 case MESA_FORMAT_GR88:
2371 case MESA_FORMAT_RG88:
2372 *datatype = GL_UNSIGNED_BYTE;
2373 *comps = 2;
2374 return;
2375
2376 case MESA_FORMAT_AL1616:
2377 case MESA_FORMAT_AL1616_REV:
2378 case MESA_FORMAT_GR1616:
2379 case MESA_FORMAT_RG1616:
2380 *datatype = GL_UNSIGNED_SHORT;
2381 *comps = 2;
2382 return;
2383
2384 case MESA_FORMAT_R16:
2385 case MESA_FORMAT_A16:
2386 case MESA_FORMAT_L16:
2387 case MESA_FORMAT_I16:
2388 *datatype = GL_UNSIGNED_SHORT;
2389 *comps = 1;
2390 return;
2391
2392 case MESA_FORMAT_RGB332:
2393 *datatype = GL_UNSIGNED_BYTE_3_3_2;
2394 *comps = 3;
2395 return;
2396
2397 case MESA_FORMAT_A8:
2398 case MESA_FORMAT_L8:
2399 case MESA_FORMAT_I8:
2400 case MESA_FORMAT_R8:
2401 case MESA_FORMAT_S8:
2402 *datatype = GL_UNSIGNED_BYTE;
2403 *comps = 1;
2404 return;
2405
2406 case MESA_FORMAT_YCBCR:
2407 case MESA_FORMAT_YCBCR_REV:
2408 *datatype = GL_UNSIGNED_SHORT;
2409 *comps = 2;
2410 return;
2411
2412 case MESA_FORMAT_Z24_S8:
2413 *datatype = GL_UNSIGNED_INT_24_8_MESA;
2414 *comps = 2;
2415 return;
2416
2417 case MESA_FORMAT_S8_Z24:
2418 *datatype = GL_UNSIGNED_INT_8_24_REV_MESA;
2419 *comps = 2;
2420 return;
2421
2422 case MESA_FORMAT_Z16:
2423 *datatype = GL_UNSIGNED_SHORT;
2424 *comps = 1;
2425 return;
2426
2427 case MESA_FORMAT_X8_Z24:
2428 *datatype = GL_UNSIGNED_INT;
2429 *comps = 1;
2430 return;
2431
2432 case MESA_FORMAT_Z24_X8:
2433 *datatype = GL_UNSIGNED_INT;
2434 *comps = 1;
2435 return;
2436
2437 case MESA_FORMAT_Z32:
2438 *datatype = GL_UNSIGNED_INT;
2439 *comps = 1;
2440 return;
2441
2442 case MESA_FORMAT_Z32_FLOAT:
2443 *datatype = GL_FLOAT;
2444 *comps = 1;
2445 return;
2446
2447 case MESA_FORMAT_Z32_FLOAT_X24S8:
2448 *datatype = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
2449 *comps = 1;
2450 return;
2451
2452 case MESA_FORMAT_DUDV8:
2453 *datatype = GL_BYTE;
2454 *comps = 2;
2455 return;
2456
2457 case MESA_FORMAT_SIGNED_R8:
2458 case MESA_FORMAT_SIGNED_A8:
2459 case MESA_FORMAT_SIGNED_L8:
2460 case MESA_FORMAT_SIGNED_I8:
2461 *datatype = GL_BYTE;
2462 *comps = 1;
2463 return;
2464 case MESA_FORMAT_SIGNED_RG88_REV:
2465 case MESA_FORMAT_SIGNED_AL88:
2466 *datatype = GL_BYTE;
2467 *comps = 2;
2468 return;
2469 case MESA_FORMAT_SIGNED_RGBA8888:
2470 case MESA_FORMAT_SIGNED_RGBA8888_REV:
2471 case MESA_FORMAT_SIGNED_RGBX8888:
2472 *datatype = GL_BYTE;
2473 *comps = 4;
2474 return;
2475
2476 case MESA_FORMAT_RGBA_16:
2477 *datatype = GL_UNSIGNED_SHORT;
2478 *comps = 4;
2479 return;
2480
2481 case MESA_FORMAT_SIGNED_R16:
2482 case MESA_FORMAT_SIGNED_A16:
2483 case MESA_FORMAT_SIGNED_L16:
2484 case MESA_FORMAT_SIGNED_I16:
2485 *datatype = GL_SHORT;
2486 *comps = 1;
2487 return;
2488 case MESA_FORMAT_SIGNED_GR1616:
2489 case MESA_FORMAT_SIGNED_AL1616:
2490 *datatype = GL_SHORT;
2491 *comps = 2;
2492 return;
2493 case MESA_FORMAT_SIGNED_RGB_16:
2494 *datatype = GL_SHORT;
2495 *comps = 3;
2496 return;
2497 case MESA_FORMAT_SIGNED_RGBA_16:
2498 *datatype = GL_SHORT;
2499 *comps = 4;
2500 return;
2501
2502 case MESA_FORMAT_SRGB8:
2503 *datatype = GL_UNSIGNED_BYTE;
2504 *comps = 3;
2505 return;
2506 case MESA_FORMAT_SRGBA8:
2507 case MESA_FORMAT_SARGB8:
2508 *datatype = GL_UNSIGNED_BYTE;
2509 *comps = 4;
2510 return;
2511 case MESA_FORMAT_SL8:
2512 *datatype = GL_UNSIGNED_BYTE;
2513 *comps = 1;
2514 return;
2515 case MESA_FORMAT_SLA8:
2516 *datatype = GL_UNSIGNED_BYTE;
2517 *comps = 2;
2518 return;
2519
2520 case MESA_FORMAT_RGB_FXT1:
2521 case MESA_FORMAT_RGBA_FXT1:
2522 case MESA_FORMAT_RGB_DXT1:
2523 case MESA_FORMAT_RGBA_DXT1:
2524 case MESA_FORMAT_RGBA_DXT3:
2525 case MESA_FORMAT_RGBA_DXT5:
2526 case MESA_FORMAT_SRGB_DXT1:
2527 case MESA_FORMAT_SRGBA_DXT1:
2528 case MESA_FORMAT_SRGBA_DXT3:
2529 case MESA_FORMAT_SRGBA_DXT5:
2530 case MESA_FORMAT_RED_RGTC1:
2531 case MESA_FORMAT_SIGNED_RED_RGTC1:
2532 case MESA_FORMAT_RG_RGTC2:
2533 case MESA_FORMAT_SIGNED_RG_RGTC2:
2534 case MESA_FORMAT_L_LATC1:
2535 case MESA_FORMAT_SIGNED_L_LATC1:
2536 case MESA_FORMAT_LA_LATC2:
2537 case MESA_FORMAT_SIGNED_LA_LATC2:
2538 case MESA_FORMAT_ETC1_RGB8:
2539 case MESA_FORMAT_ETC2_RGB8:
2540 case MESA_FORMAT_ETC2_SRGB8:
2541 case MESA_FORMAT_ETC2_RGBA8_EAC:
2542 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2543 case MESA_FORMAT_ETC2_R11_EAC:
2544 case MESA_FORMAT_ETC2_RG11_EAC:
2545 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2546 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2547 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2548 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2549 /* XXX generate error instead? */
2550 *datatype = GL_UNSIGNED_BYTE;
2551 *comps = 0;
2552 return;
2553
2554 case MESA_FORMAT_RGBA_FLOAT32:
2555 *datatype = GL_FLOAT;
2556 *comps = 4;
2557 return;
2558 case MESA_FORMAT_RGBA_FLOAT16:
2559 *datatype = GL_HALF_FLOAT_ARB;
2560 *comps = 4;
2561 return;
2562 case MESA_FORMAT_RGB_FLOAT32:
2563 *datatype = GL_FLOAT;
2564 *comps = 3;
2565 return;
2566 case MESA_FORMAT_RGB_FLOAT16:
2567 *datatype = GL_HALF_FLOAT_ARB;
2568 *comps = 3;
2569 return;
2570 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
2571 case MESA_FORMAT_RG_FLOAT32:
2572 *datatype = GL_FLOAT;
2573 *comps = 2;
2574 return;
2575 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
2576 case MESA_FORMAT_RG_FLOAT16:
2577 *datatype = GL_HALF_FLOAT_ARB;
2578 *comps = 2;
2579 return;
2580 case MESA_FORMAT_ALPHA_FLOAT32:
2581 case MESA_FORMAT_LUMINANCE_FLOAT32:
2582 case MESA_FORMAT_INTENSITY_FLOAT32:
2583 case MESA_FORMAT_R_FLOAT32:
2584 *datatype = GL_FLOAT;
2585 *comps = 1;
2586 return;
2587 case MESA_FORMAT_ALPHA_FLOAT16:
2588 case MESA_FORMAT_LUMINANCE_FLOAT16:
2589 case MESA_FORMAT_INTENSITY_FLOAT16:
2590 case MESA_FORMAT_R_FLOAT16:
2591 *datatype = GL_HALF_FLOAT_ARB;
2592 *comps = 1;
2593 return;
2594
2595 case MESA_FORMAT_ALPHA_UINT8:
2596 case MESA_FORMAT_LUMINANCE_UINT8:
2597 case MESA_FORMAT_INTENSITY_UINT8:
2598 *datatype = GL_UNSIGNED_BYTE;
2599 *comps = 1;
2600 return;
2601 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
2602 *datatype = GL_UNSIGNED_BYTE;
2603 *comps = 2;
2604 return;
2605
2606 case MESA_FORMAT_ALPHA_UINT16:
2607 case MESA_FORMAT_LUMINANCE_UINT16:
2608 case MESA_FORMAT_INTENSITY_UINT16:
2609 *datatype = GL_UNSIGNED_SHORT;
2610 *comps = 1;
2611 return;
2612 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
2613 *datatype = GL_UNSIGNED_SHORT;
2614 *comps = 2;
2615 return;
2616 case MESA_FORMAT_ALPHA_UINT32:
2617 case MESA_FORMAT_LUMINANCE_UINT32:
2618 case MESA_FORMAT_INTENSITY_UINT32:
2619 *datatype = GL_UNSIGNED_INT;
2620 *comps = 1;
2621 return;
2622 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
2623 *datatype = GL_UNSIGNED_INT;
2624 *comps = 2;
2625 return;
2626 case MESA_FORMAT_ALPHA_INT8:
2627 case MESA_FORMAT_LUMINANCE_INT8:
2628 case MESA_FORMAT_INTENSITY_INT8:
2629 *datatype = GL_BYTE;
2630 *comps = 1;
2631 return;
2632 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
2633 *datatype = GL_BYTE;
2634 *comps = 2;
2635 return;
2636
2637 case MESA_FORMAT_ALPHA_INT16:
2638 case MESA_FORMAT_LUMINANCE_INT16:
2639 case MESA_FORMAT_INTENSITY_INT16:
2640 *datatype = GL_SHORT;
2641 *comps = 1;
2642 return;
2643 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
2644 *datatype = GL_SHORT;
2645 *comps = 2;
2646 return;
2647
2648 case MESA_FORMAT_ALPHA_INT32:
2649 case MESA_FORMAT_LUMINANCE_INT32:
2650 case MESA_FORMAT_INTENSITY_INT32:
2651 *datatype = GL_INT;
2652 *comps = 1;
2653 return;
2654 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
2655 *datatype = GL_INT;
2656 *comps = 2;
2657 return;
2658
2659 case MESA_FORMAT_R_INT8:
2660 *datatype = GL_BYTE;
2661 *comps = 1;
2662 return;
2663 case MESA_FORMAT_RG_INT8:
2664 *datatype = GL_BYTE;
2665 *comps = 2;
2666 return;
2667 case MESA_FORMAT_RGB_INT8:
2668 *datatype = GL_BYTE;
2669 *comps = 3;
2670 return;
2671 case MESA_FORMAT_RGBA_INT8:
2672 *datatype = GL_BYTE;
2673 *comps = 4;
2674 return;
2675 case MESA_FORMAT_R_INT16:
2676 *datatype = GL_SHORT;
2677 *comps = 1;
2678 return;
2679 case MESA_FORMAT_RG_INT16:
2680 *datatype = GL_SHORT;
2681 *comps = 2;
2682 return;
2683 case MESA_FORMAT_RGB_INT16:
2684 *datatype = GL_SHORT;
2685 *comps = 3;
2686 return;
2687 case MESA_FORMAT_RGBA_INT16:
2688 *datatype = GL_SHORT;
2689 *comps = 4;
2690 return;
2691 case MESA_FORMAT_R_INT32:
2692 *datatype = GL_INT;
2693 *comps = 1;
2694 return;
2695 case MESA_FORMAT_RG_INT32:
2696 *datatype = GL_INT;
2697 *comps = 2;
2698 return;
2699 case MESA_FORMAT_RGB_INT32:
2700 *datatype = GL_INT;
2701 *comps = 3;
2702 return;
2703 case MESA_FORMAT_RGBA_INT32:
2704 *datatype = GL_INT;
2705 *comps = 4;
2706 return;
2707
2708 /**
2709 * \name Non-normalized unsigned integer formats.
2710 */
2711 case MESA_FORMAT_R_UINT8:
2712 *datatype = GL_UNSIGNED_BYTE;
2713 *comps = 1;
2714 return;
2715 case MESA_FORMAT_RG_UINT8:
2716 *datatype = GL_UNSIGNED_BYTE;
2717 *comps = 2;
2718 return;
2719 case MESA_FORMAT_RGB_UINT8:
2720 *datatype = GL_UNSIGNED_BYTE;
2721 *comps = 3;
2722 return;
2723 case MESA_FORMAT_RGBA_UINT8:
2724 *datatype = GL_UNSIGNED_BYTE;
2725 *comps = 4;
2726 return;
2727 case MESA_FORMAT_R_UINT16:
2728 *datatype = GL_UNSIGNED_SHORT;
2729 *comps = 1;
2730 return;
2731 case MESA_FORMAT_RG_UINT16:
2732 *datatype = GL_UNSIGNED_SHORT;
2733 *comps = 2;
2734 return;
2735 case MESA_FORMAT_RGB_UINT16:
2736 *datatype = GL_UNSIGNED_SHORT;
2737 *comps = 3;
2738 return;
2739 case MESA_FORMAT_RGBA_UINT16:
2740 *datatype = GL_UNSIGNED_SHORT;
2741 *comps = 4;
2742 return;
2743 case MESA_FORMAT_R_UINT32:
2744 *datatype = GL_UNSIGNED_INT;
2745 *comps = 1;
2746 return;
2747 case MESA_FORMAT_RG_UINT32:
2748 *datatype = GL_UNSIGNED_INT;
2749 *comps = 2;
2750 return;
2751 case MESA_FORMAT_RGB_UINT32:
2752 *datatype = GL_UNSIGNED_INT;
2753 *comps = 3;
2754 return;
2755 case MESA_FORMAT_RGBA_UINT32:
2756 *datatype = GL_UNSIGNED_INT;
2757 *comps = 4;
2758 return;
2759
2760 case MESA_FORMAT_RGB9_E5_FLOAT:
2761 *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
2762 *comps = 3;
2763 return;
2764
2765 case MESA_FORMAT_R11_G11_B10_FLOAT:
2766 *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
2767 *comps = 3;
2768 return;
2769
2770 case MESA_FORMAT_ARGB2101010_UINT:
2771 case MESA_FORMAT_ABGR2101010_UINT:
2772 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2773 *comps = 4;
2774 return;
2775
2776 case MESA_FORMAT_XBGR8888_SRGB:
2777 case MESA_FORMAT_XBGR8888_UINT:
2778 *datatype = GL_UNSIGNED_BYTE;
2779 *comps = 4;
2780 return;
2781
2782 case MESA_FORMAT_XBGR8888_SNORM:
2783 case MESA_FORMAT_XBGR8888_SINT:
2784 *datatype = GL_BYTE;
2785 *comps = 4;
2786 return;
2787
2788 case MESA_FORMAT_XRGB2101010_UNORM:
2789 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2790 *comps = 4;
2791 return;
2792
2793 case MESA_FORMAT_XBGR16161616_UNORM:
2794 case MESA_FORMAT_XBGR16161616_UINT:
2795 *datatype = GL_UNSIGNED_SHORT;
2796 *comps = 4;
2797 return;
2798
2799 case MESA_FORMAT_XBGR16161616_SNORM:
2800 case MESA_FORMAT_XBGR16161616_SINT:
2801 *datatype = GL_SHORT;
2802 *comps = 4;
2803 return;
2804
2805 case MESA_FORMAT_XBGR16161616_FLOAT:
2806 *datatype = GL_HALF_FLOAT;
2807 *comps = 4;
2808 return;
2809
2810 case MESA_FORMAT_XBGR32323232_FLOAT:
2811 *datatype = GL_FLOAT;
2812 *comps = 4;
2813 return;
2814
2815 case MESA_FORMAT_XBGR32323232_UINT:
2816 *datatype = GL_UNSIGNED_INT;
2817 *comps = 4;
2818 return;
2819
2820 case MESA_FORMAT_XBGR32323232_SINT:
2821 *datatype = GL_INT;
2822 *comps = 4;
2823 return;
2824
2825 case MESA_FORMAT_COUNT:
2826 assert(0);
2827 return;
2828
2829 case MESA_FORMAT_NONE:
2830 /* For debug builds, warn if any formats are not handled */
2831 #ifdef DEBUG
2832 default:
2833 #endif
2834 _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
2835 _mesa_get_format_name(format));
2836 *datatype = 0;
2837 *comps = 1;
2838 }
2839 }
2840
2841 /**
2842 * Check if a gl_format exactly matches a GL format/type combination
2843 * such that we can use memcpy() from one to the other.
2844 * \param gl_format a MESA_FORMAT_x value
2845 * \param format the user-specified image format
2846 * \param type the user-specified image datatype
2847 * \param swapBytes typically the current pixel pack/unpack byteswap state
2848 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2849 */
2850 GLboolean
2851 _mesa_format_matches_format_and_type(gl_format gl_format,
2852 GLenum format, GLenum type,
2853 GLboolean swapBytes)
2854 {
2855 const GLboolean littleEndian = _mesa_little_endian();
2856
2857 /* Note: When reading a GL format/type combination, the format lists channel
2858 * assignments from most significant channel in the type to least
2859 * significant. A type with _REV indicates that the assignments are
2860 * swapped, so they are listed from least significant to most significant.
2861 *
2862 * For sanity, please keep this switch statement ordered the same as the
2863 * enums in formats.h.
2864 */
2865
2866 switch (gl_format) {
2867
2868 case MESA_FORMAT_NONE:
2869 case MESA_FORMAT_COUNT:
2870 return GL_FALSE;
2871
2872 case MESA_FORMAT_RGBA8888:
2873 case MESA_FORMAT_SRGBA8:
2874 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2875 return GL_TRUE;
2876
2877 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
2878 return GL_TRUE;
2879
2880 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && !littleEndian)
2881 return GL_TRUE;
2882
2883 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV
2884 && !swapBytes)
2885 return GL_TRUE;
2886
2887 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8
2888 && swapBytes)
2889 return GL_TRUE;
2890
2891 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && littleEndian)
2892 return GL_TRUE;
2893
2894 return GL_FALSE;
2895
2896 case MESA_FORMAT_RGBA8888_REV:
2897 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2898 !swapBytes)
2899 return GL_TRUE;
2900
2901 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2902 return GL_TRUE;
2903
2904 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && littleEndian)
2905 return GL_TRUE;
2906
2907 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8 &&
2908 !swapBytes)
2909 return GL_TRUE;
2910
2911 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2912 swapBytes)
2913 return GL_TRUE;
2914
2915 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && !littleEndian)
2916 return GL_TRUE;
2917
2918 return GL_FALSE;
2919
2920 case MESA_FORMAT_ARGB8888:
2921 case MESA_FORMAT_SARGB8:
2922 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2923 !swapBytes)
2924 return GL_TRUE;
2925
2926 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2927 return GL_TRUE;
2928
2929 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && littleEndian)
2930 return GL_TRUE;
2931
2932 return GL_FALSE;
2933
2934 case MESA_FORMAT_ARGB8888_REV:
2935 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2936 return GL_TRUE;
2937
2938 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2939 swapBytes)
2940 return GL_TRUE;
2941
2942 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && !littleEndian)
2943 return GL_TRUE;
2944
2945 return GL_FALSE;
2946
2947 case MESA_FORMAT_RGBX8888:
2948 case MESA_FORMAT_RGBX8888_REV:
2949 return GL_FALSE;
2950
2951 case MESA_FORMAT_XRGB8888:
2952 case MESA_FORMAT_XRGB8888_REV:
2953 return GL_FALSE;
2954
2955 case MESA_FORMAT_RGB888:
2956 case MESA_FORMAT_SRGB8:
2957 return format == GL_BGR && type == GL_UNSIGNED_BYTE && littleEndian;
2958
2959 case MESA_FORMAT_BGR888:
2960 return format == GL_RGB && type == GL_UNSIGNED_BYTE && littleEndian;
2961
2962 case MESA_FORMAT_RGB565:
2963 return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 && !swapBytes;
2964
2965 case MESA_FORMAT_RGB565_REV:
2966 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
2967 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
2968 * according to formats.h, so they can't be matched.
2969 */
2970 return GL_FALSE;
2971
2972 case MESA_FORMAT_ARGB4444:
2973 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
2974 !swapBytes;
2975
2976 case MESA_FORMAT_ARGB4444_REV:
2977 return GL_FALSE;
2978
2979 case MESA_FORMAT_RGBA5551:
2980 return format == GL_RGBA && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
2981 !swapBytes;
2982
2983 case MESA_FORMAT_ARGB1555:
2984 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
2985 !swapBytes;
2986
2987 case MESA_FORMAT_ARGB1555_REV:
2988 return GL_FALSE;
2989
2990 case MESA_FORMAT_AL44:
2991 return GL_FALSE;
2992 case MESA_FORMAT_AL88:
2993 case MESA_FORMAT_SLA8:
2994 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE && littleEndian;
2995 case MESA_FORMAT_AL88_REV:
2996 return GL_FALSE;
2997
2998 case MESA_FORMAT_AL1616:
2999 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_SHORT && littleEndian && !swapBytes;
3000 case MESA_FORMAT_AL1616_REV:
3001 return GL_FALSE;
3002
3003 case MESA_FORMAT_RGB332:
3004 return format == GL_RGB && type == GL_UNSIGNED_BYTE_3_3_2;
3005
3006 case MESA_FORMAT_A8:
3007 return format == GL_ALPHA && type == GL_UNSIGNED_BYTE;
3008 case MESA_FORMAT_A16:
3009 return format == GL_ALPHA && type == GL_UNSIGNED_SHORT &&
3010 littleEndian && !swapBytes;
3011 case MESA_FORMAT_L8:
3012 case MESA_FORMAT_SL8:
3013 return format == GL_LUMINANCE && type == GL_UNSIGNED_BYTE;
3014 case MESA_FORMAT_L16:
3015 return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT &&
3016 littleEndian && !swapBytes;
3017 case MESA_FORMAT_I8:
3018 return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
3019 case MESA_FORMAT_I16:
3020 return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT &&
3021 littleEndian && !swapBytes;
3022
3023 case MESA_FORMAT_YCBCR:
3024 return format == GL_YCBCR_MESA &&
3025 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian != swapBytes) ||
3026 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian == swapBytes));
3027 case MESA_FORMAT_YCBCR_REV:
3028 return format == GL_YCBCR_MESA &&
3029 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian == swapBytes) ||
3030 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian != swapBytes));
3031
3032 case MESA_FORMAT_R8:
3033 return format == GL_RED && type == GL_UNSIGNED_BYTE;
3034 case MESA_FORMAT_GR88:
3035 return format == GL_RG && type == GL_UNSIGNED_BYTE && littleEndian;
3036 case MESA_FORMAT_RG88:
3037 return GL_FALSE;
3038
3039 case MESA_FORMAT_R16:
3040 return format == GL_RED && type == GL_UNSIGNED_SHORT && littleEndian &&
3041 !swapBytes;
3042 case MESA_FORMAT_GR1616:
3043 return format == GL_RG && type == GL_UNSIGNED_SHORT && littleEndian &&
3044 !swapBytes;
3045 case MESA_FORMAT_RG1616:
3046 return GL_FALSE;
3047
3048 case MESA_FORMAT_ARGB2101010:
3049 return format == GL_BGRA && type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3050 !swapBytes;
3051
3052 case MESA_FORMAT_Z24_S8:
3053 return format == GL_DEPTH_STENCIL && type == GL_UNSIGNED_INT_24_8 &&
3054 !swapBytes;
3055 case MESA_FORMAT_Z24_X8:
3056 case MESA_FORMAT_S8_Z24:
3057 return GL_FALSE;
3058
3059 case MESA_FORMAT_Z16:
3060 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_SHORT &&
3061 !swapBytes;
3062
3063 case MESA_FORMAT_X8_Z24:
3064 return GL_FALSE;
3065
3066 case MESA_FORMAT_Z32:
3067 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_INT &&
3068 !swapBytes;
3069
3070 case MESA_FORMAT_S8:
3071 return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
3072
3073 case MESA_FORMAT_SRGB_DXT1:
3074 case MESA_FORMAT_SRGBA_DXT1:
3075 case MESA_FORMAT_SRGBA_DXT3:
3076 case MESA_FORMAT_SRGBA_DXT5:
3077 return GL_FALSE;
3078
3079 case MESA_FORMAT_RGB_FXT1:
3080 case MESA_FORMAT_RGBA_FXT1:
3081 case MESA_FORMAT_RGB_DXT1:
3082 case MESA_FORMAT_RGBA_DXT1:
3083 case MESA_FORMAT_RGBA_DXT3:
3084 case MESA_FORMAT_RGBA_DXT5:
3085 return GL_FALSE;
3086
3087 case MESA_FORMAT_RGBA_FLOAT32:
3088 return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
3089 case MESA_FORMAT_RGBA_FLOAT16:
3090 return format == GL_RGBA && type == GL_HALF_FLOAT && !swapBytes;
3091
3092 case MESA_FORMAT_RGB_FLOAT32:
3093 return format == GL_RGB && type == GL_FLOAT && !swapBytes;
3094 case MESA_FORMAT_RGB_FLOAT16:
3095 return format == GL_RGB && type == GL_HALF_FLOAT && !swapBytes;
3096
3097 case MESA_FORMAT_ALPHA_FLOAT32:
3098 return format == GL_ALPHA && type == GL_FLOAT && !swapBytes;
3099 case MESA_FORMAT_ALPHA_FLOAT16:
3100 return format == GL_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3101
3102 case MESA_FORMAT_LUMINANCE_FLOAT32:
3103 return format == GL_LUMINANCE && type == GL_FLOAT && !swapBytes;
3104 case MESA_FORMAT_LUMINANCE_FLOAT16:
3105 return format == GL_LUMINANCE && type == GL_HALF_FLOAT && !swapBytes;
3106
3107 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
3108 return format == GL_LUMINANCE_ALPHA && type == GL_FLOAT && !swapBytes;
3109 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
3110 return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3111
3112 case MESA_FORMAT_INTENSITY_FLOAT32:
3113 return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
3114 case MESA_FORMAT_INTENSITY_FLOAT16:
3115 return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
3116
3117 case MESA_FORMAT_R_FLOAT32:
3118 return format == GL_RED && type == GL_FLOAT && !swapBytes;
3119 case MESA_FORMAT_R_FLOAT16:
3120 return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
3121
3122 case MESA_FORMAT_RG_FLOAT32:
3123 return format == GL_RG && type == GL_FLOAT && !swapBytes;
3124 case MESA_FORMAT_RG_FLOAT16:
3125 return format == GL_RG && type == GL_HALF_FLOAT && !swapBytes;
3126
3127 case MESA_FORMAT_ALPHA_UINT8:
3128 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_BYTE &&
3129 !swapBytes;
3130 case MESA_FORMAT_ALPHA_UINT16:
3131 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_SHORT &&
3132 !swapBytes;
3133 case MESA_FORMAT_ALPHA_UINT32:
3134 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_INT &&
3135 !swapBytes;
3136 case MESA_FORMAT_ALPHA_INT8:
3137 return format == GL_ALPHA_INTEGER && type == GL_BYTE && !swapBytes;
3138 case MESA_FORMAT_ALPHA_INT16:
3139 return format == GL_ALPHA_INTEGER && type == GL_SHORT && !swapBytes;
3140 case MESA_FORMAT_ALPHA_INT32:
3141 return format == GL_ALPHA_INTEGER && type == GL_INT && !swapBytes;
3142
3143 case MESA_FORMAT_INTENSITY_UINT8:
3144 case MESA_FORMAT_INTENSITY_UINT16:
3145 case MESA_FORMAT_INTENSITY_UINT32:
3146 case MESA_FORMAT_INTENSITY_INT8:
3147 case MESA_FORMAT_INTENSITY_INT16:
3148 case MESA_FORMAT_INTENSITY_INT32:
3149 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3150 return GL_FALSE;
3151
3152 case MESA_FORMAT_LUMINANCE_UINT8:
3153 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_BYTE &&
3154 !swapBytes;
3155 case MESA_FORMAT_LUMINANCE_UINT16:
3156 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_SHORT &&
3157 !swapBytes;
3158 case MESA_FORMAT_LUMINANCE_UINT32:
3159 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_INT &&
3160 !swapBytes;
3161 case MESA_FORMAT_LUMINANCE_INT8:
3162 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_BYTE &&
3163 !swapBytes;
3164 case MESA_FORMAT_LUMINANCE_INT16:
3165 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_SHORT &&
3166 !swapBytes;
3167 case MESA_FORMAT_LUMINANCE_INT32:
3168 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_INT && !swapBytes;
3169
3170 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
3171 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3172 type == GL_UNSIGNED_BYTE && !swapBytes;
3173 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
3174 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3175 type == GL_UNSIGNED_SHORT && !swapBytes;
3176 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
3177 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3178 type == GL_UNSIGNED_INT && !swapBytes;
3179 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
3180 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_BYTE &&
3181 !swapBytes;
3182 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
3183 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_SHORT &&
3184 !swapBytes;
3185 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
3186 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_INT &&
3187 !swapBytes;
3188
3189 case MESA_FORMAT_R_INT8:
3190 return format == GL_RED_INTEGER && type == GL_BYTE && !swapBytes;
3191 case MESA_FORMAT_RG_INT8:
3192 return format == GL_RG_INTEGER && type == GL_BYTE && !swapBytes;
3193 case MESA_FORMAT_RGB_INT8:
3194 return format == GL_RGB_INTEGER && type == GL_BYTE && !swapBytes;
3195 case MESA_FORMAT_RGBA_INT8:
3196 return format == GL_RGBA_INTEGER && type == GL_BYTE && !swapBytes;
3197 case MESA_FORMAT_R_INT16:
3198 return format == GL_RED_INTEGER && type == GL_SHORT && !swapBytes;
3199 case MESA_FORMAT_RG_INT16:
3200 return format == GL_RG_INTEGER && type == GL_SHORT && !swapBytes;
3201 case MESA_FORMAT_RGB_INT16:
3202 return format == GL_RGB_INTEGER && type == GL_SHORT && !swapBytes;
3203 case MESA_FORMAT_RGBA_INT16:
3204 return format == GL_RGBA_INTEGER && type == GL_SHORT && !swapBytes;
3205 case MESA_FORMAT_R_INT32:
3206 return format == GL_RED_INTEGER && type == GL_INT && !swapBytes;
3207 case MESA_FORMAT_RG_INT32:
3208 return format == GL_RG_INTEGER && type == GL_INT && !swapBytes;
3209 case MESA_FORMAT_RGB_INT32:
3210 return format == GL_RGB_INTEGER && type == GL_INT && !swapBytes;
3211 case MESA_FORMAT_RGBA_INT32:
3212 return format == GL_RGBA_INTEGER && type == GL_INT && !swapBytes;
3213
3214 case MESA_FORMAT_R_UINT8:
3215 return format == GL_RED_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3216 case MESA_FORMAT_RG_UINT8:
3217 return format == GL_RG_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3218 case MESA_FORMAT_RGB_UINT8:
3219 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3220 case MESA_FORMAT_RGBA_UINT8:
3221 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_BYTE &&
3222 !swapBytes;
3223 case MESA_FORMAT_R_UINT16:
3224 return format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT &&
3225 !swapBytes;
3226 case MESA_FORMAT_RG_UINT16:
3227 return format == GL_RG_INTEGER && type == GL_UNSIGNED_SHORT && !swapBytes;
3228 case MESA_FORMAT_RGB_UINT16:
3229 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT &&
3230 !swapBytes;
3231 case MESA_FORMAT_RGBA_UINT16:
3232 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT &&
3233 !swapBytes;
3234 case MESA_FORMAT_R_UINT32:
3235 return format == GL_RED_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3236 case MESA_FORMAT_RG_UINT32:
3237 return format == GL_RG_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3238 case MESA_FORMAT_RGB_UINT32:
3239 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3240 case MESA_FORMAT_RGBA_UINT32:
3241 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3242
3243 case MESA_FORMAT_DUDV8:
3244 return (format == GL_DU8DV8_ATI || format == GL_DUDV_ATI) &&
3245 type == GL_BYTE && littleEndian && !swapBytes;
3246
3247 case MESA_FORMAT_SIGNED_R8:
3248 return format == GL_RED && type == GL_BYTE && !swapBytes;
3249 case MESA_FORMAT_SIGNED_RG88_REV:
3250 return format == GL_RG && type == GL_BYTE && littleEndian &&
3251 !swapBytes;
3252 case MESA_FORMAT_SIGNED_RGBX8888:
3253 return GL_FALSE;
3254
3255 case MESA_FORMAT_SIGNED_RGBA8888:
3256 if (format == GL_RGBA && type == GL_BYTE && !littleEndian)
3257 return GL_TRUE;
3258
3259 if (format == GL_ABGR_EXT && type == GL_BYTE && littleEndian)
3260 return GL_TRUE;
3261
3262 return GL_FALSE;
3263
3264 case MESA_FORMAT_SIGNED_RGBA8888_REV:
3265 if (format == GL_RGBA && type == GL_BYTE && littleEndian)
3266 return GL_TRUE;
3267
3268 if (format == GL_ABGR_EXT && type == GL_BYTE && !littleEndian)
3269 return GL_TRUE;
3270
3271 return GL_FALSE;
3272
3273 case MESA_FORMAT_SIGNED_R16:
3274 return format == GL_RED && type == GL_SHORT && littleEndian &&
3275 !swapBytes;
3276 case MESA_FORMAT_SIGNED_GR1616:
3277 return format == GL_RG && type == GL_SHORT && littleEndian && !swapBytes;
3278 case MESA_FORMAT_SIGNED_RGB_16:
3279 return format == GL_RGB && type == GL_SHORT && !swapBytes;
3280 case MESA_FORMAT_SIGNED_RGBA_16:
3281 return format == GL_RGBA && type == GL_SHORT && !swapBytes;
3282 case MESA_FORMAT_RGBA_16:
3283 return format == GL_RGBA && type == GL_UNSIGNED_SHORT &&
3284 !swapBytes;
3285
3286 case MESA_FORMAT_RED_RGTC1:
3287 case MESA_FORMAT_SIGNED_RED_RGTC1:
3288 case MESA_FORMAT_RG_RGTC2:
3289 case MESA_FORMAT_SIGNED_RG_RGTC2:
3290 return GL_FALSE;
3291
3292 case MESA_FORMAT_L_LATC1:
3293 case MESA_FORMAT_SIGNED_L_LATC1:
3294 case MESA_FORMAT_LA_LATC2:
3295 case MESA_FORMAT_SIGNED_LA_LATC2:
3296 return GL_FALSE;
3297
3298 case MESA_FORMAT_ETC1_RGB8:
3299 case MESA_FORMAT_ETC2_RGB8:
3300 case MESA_FORMAT_ETC2_SRGB8:
3301 case MESA_FORMAT_ETC2_RGBA8_EAC:
3302 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
3303 case MESA_FORMAT_ETC2_R11_EAC:
3304 case MESA_FORMAT_ETC2_RG11_EAC:
3305 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
3306 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
3307 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
3308 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
3309 return GL_FALSE;
3310
3311 case MESA_FORMAT_SIGNED_A8:
3312 return format == GL_ALPHA && type == GL_BYTE && !swapBytes;
3313 case MESA_FORMAT_SIGNED_L8:
3314 return format == GL_LUMINANCE && type == GL_BYTE && !swapBytes;
3315 case MESA_FORMAT_SIGNED_AL88:
3316 return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
3317 littleEndian && !swapBytes;
3318 case MESA_FORMAT_SIGNED_I8:
3319 return format == GL_INTENSITY && type == GL_BYTE && !swapBytes;
3320 case MESA_FORMAT_SIGNED_A16:
3321 return format == GL_ALPHA && type == GL_SHORT && littleEndian &&
3322 !swapBytes;
3323 case MESA_FORMAT_SIGNED_L16:
3324 return format == GL_LUMINANCE && type == GL_SHORT && littleEndian &&
3325 !swapBytes;
3326 case MESA_FORMAT_SIGNED_AL1616:
3327 return format == GL_LUMINANCE_ALPHA && type == GL_SHORT &&
3328 littleEndian && !swapBytes;
3329 case MESA_FORMAT_SIGNED_I16:
3330 return format == GL_INTENSITY && type == GL_SHORT && littleEndian &&
3331 !swapBytes;
3332
3333 case MESA_FORMAT_ARGB2101010_UINT:
3334 return (format == GL_BGRA_INTEGER_EXT &&
3335 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3336 !swapBytes);
3337
3338 case MESA_FORMAT_ABGR2101010_UINT:
3339 return (format == GL_RGBA_INTEGER_EXT &&
3340 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3341 !swapBytes);
3342
3343 case MESA_FORMAT_RGB9_E5_FLOAT:
3344 return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
3345 !swapBytes;
3346
3347 case MESA_FORMAT_R11_G11_B10_FLOAT:
3348 return format == GL_RGB && type == GL_UNSIGNED_INT_10F_11F_11F_REV &&
3349 !swapBytes;
3350
3351 case MESA_FORMAT_Z32_FLOAT:
3352 return format == GL_DEPTH_COMPONENT && type == GL_FLOAT && !swapBytes;
3353
3354 case MESA_FORMAT_Z32_FLOAT_X24S8:
3355 return format == GL_DEPTH_STENCIL &&
3356 type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && !swapBytes;
3357
3358 case MESA_FORMAT_XRGB4444_UNORM:
3359 case MESA_FORMAT_XRGB1555_UNORM:
3360 case MESA_FORMAT_XBGR8888_SNORM:
3361 case MESA_FORMAT_XBGR8888_SRGB:
3362 case MESA_FORMAT_XBGR8888_UINT:
3363 case MESA_FORMAT_XBGR8888_SINT:
3364 case MESA_FORMAT_XRGB2101010_UNORM:
3365 case MESA_FORMAT_XBGR16161616_UNORM:
3366 case MESA_FORMAT_XBGR16161616_SNORM:
3367 case MESA_FORMAT_XBGR16161616_FLOAT:
3368 case MESA_FORMAT_XBGR16161616_UINT:
3369 case MESA_FORMAT_XBGR16161616_SINT:
3370 case MESA_FORMAT_XBGR32323232_FLOAT:
3371 case MESA_FORMAT_XBGR32323232_UINT:
3372 case MESA_FORMAT_XBGR32323232_SINT:
3373 return GL_FALSE;
3374 }
3375
3376 return GL_FALSE;
3377 }
3378