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[mesa.git] / src / mesa / main / formats.c
1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (c) 2008-2009 VMware, Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 #include "imports.h"
28 #include "formats.h"
29 #include "macros.h"
30 #include "glformats.h"
31
32
33 /**
34 * Information about texture formats.
35 */
36 struct gl_format_info
37 {
38 gl_format Name;
39
40 /** text name for debugging */
41 const char *StrName;
42
43 /**
44 * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
45 * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
46 * GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL, GL_DUDV_ATI.
47 */
48 GLenum BaseFormat;
49
50 /**
51 * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALIZED,
52 * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
53 */
54 GLenum DataType;
55
56 GLubyte RedBits;
57 GLubyte GreenBits;
58 GLubyte BlueBits;
59 GLubyte AlphaBits;
60 GLubyte LuminanceBits;
61 GLubyte IntensityBits;
62 GLubyte IndexBits;
63 GLubyte DepthBits;
64 GLubyte StencilBits;
65
66 /**
67 * To describe compressed formats. If not compressed, Width=Height=1.
68 */
69 GLubyte BlockWidth, BlockHeight;
70 GLubyte BytesPerBlock;
71 };
72
73
74 /**
75 * Info about each format.
76 * These must be in the same order as the MESA_FORMAT_* enums so that
77 * we can do lookups without searching.
78 */
79 static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
80 {
81 {
82 MESA_FORMAT_NONE, /* Name */
83 "MESA_FORMAT_NONE", /* StrName */
84 GL_NONE, /* BaseFormat */
85 GL_NONE, /* DataType */
86 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
87 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
88 0, 0, 0 /* BlockWidth/Height,Bytes */
89 },
90 {
91 MESA_FORMAT_RGBA8888, /* Name */
92 "MESA_FORMAT_RGBA8888", /* StrName */
93 GL_RGBA, /* BaseFormat */
94 GL_UNSIGNED_NORMALIZED, /* DataType */
95 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
96 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
97 1, 1, 4 /* BlockWidth/Height,Bytes */
98 },
99 {
100 MESA_FORMAT_RGBA8888_REV, /* Name */
101 "MESA_FORMAT_RGBA8888_REV", /* StrName */
102 GL_RGBA, /* BaseFormat */
103 GL_UNSIGNED_NORMALIZED, /* DataType */
104 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
105 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
106 1, 1, 4 /* BlockWidth/Height,Bytes */
107 },
108 {
109 MESA_FORMAT_ARGB8888, /* Name */
110 "MESA_FORMAT_ARGB8888", /* StrName */
111 GL_RGBA, /* BaseFormat */
112 GL_UNSIGNED_NORMALIZED, /* DataType */
113 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
114 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
115 1, 1, 4 /* BlockWidth/Height,Bytes */
116 },
117 {
118 MESA_FORMAT_ARGB8888_REV, /* Name */
119 "MESA_FORMAT_ARGB8888_REV", /* StrName */
120 GL_RGBA, /* BaseFormat */
121 GL_UNSIGNED_NORMALIZED, /* DataType */
122 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
123 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
124 1, 1, 4 /* BlockWidth/Height,Bytes */
125 },
126 {
127 MESA_FORMAT_RGBX8888, /* Name */
128 "MESA_FORMAT_RGBX8888", /* StrName */
129 GL_RGB, /* BaseFormat */
130 GL_UNSIGNED_NORMALIZED, /* DataType */
131 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
132 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
133 1, 1, 4 /* BlockWidth/Height,Bytes */
134 },
135 {
136 MESA_FORMAT_RGBX8888_REV, /* Name */
137 "MESA_FORMAT_RGBX8888_REV", /* StrName */
138 GL_RGB, /* BaseFormat */
139 GL_UNSIGNED_NORMALIZED, /* DataType */
140 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
141 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
142 1, 1, 4 /* BlockWidth/Height,Bytes */
143 },
144 {
145 MESA_FORMAT_XRGB8888, /* Name */
146 "MESA_FORMAT_XRGB8888", /* StrName */
147 GL_RGB, /* BaseFormat */
148 GL_UNSIGNED_NORMALIZED, /* DataType */
149 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
150 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
151 1, 1, 4 /* BlockWidth/Height,Bytes */
152 },
153 {
154 MESA_FORMAT_XRGB8888_REV, /* Name */
155 "MESA_FORMAT_XRGB8888_REV", /* StrName */
156 GL_RGB, /* BaseFormat */
157 GL_UNSIGNED_NORMALIZED, /* DataType */
158 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
159 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
160 1, 1, 4 /* BlockWidth/Height,Bytes */
161 },
162 {
163 MESA_FORMAT_RGB888, /* Name */
164 "MESA_FORMAT_RGB888", /* StrName */
165 GL_RGB, /* BaseFormat */
166 GL_UNSIGNED_NORMALIZED, /* DataType */
167 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
168 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
169 1, 1, 3 /* BlockWidth/Height,Bytes */
170 },
171 {
172 MESA_FORMAT_BGR888, /* Name */
173 "MESA_FORMAT_BGR888", /* StrName */
174 GL_RGB, /* BaseFormat */
175 GL_UNSIGNED_NORMALIZED, /* DataType */
176 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
177 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
178 1, 1, 3 /* BlockWidth/Height,Bytes */
179 },
180 {
181 MESA_FORMAT_RGB565, /* Name */
182 "MESA_FORMAT_RGB565", /* StrName */
183 GL_RGB, /* BaseFormat */
184 GL_UNSIGNED_NORMALIZED, /* DataType */
185 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
186 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
187 1, 1, 2 /* BlockWidth/Height,Bytes */
188 },
189 {
190 MESA_FORMAT_RGB565_REV, /* Name */
191 "MESA_FORMAT_RGB565_REV", /* StrName */
192 GL_RGB, /* BaseFormat */
193 GL_UNSIGNED_NORMALIZED, /* DataType */
194 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
195 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
196 1, 1, 2 /* BlockWidth/Height,Bytes */
197 },
198 {
199 MESA_FORMAT_ARGB4444, /* Name */
200 "MESA_FORMAT_ARGB4444", /* StrName */
201 GL_RGBA, /* BaseFormat */
202 GL_UNSIGNED_NORMALIZED, /* DataType */
203 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
204 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
205 1, 1, 2 /* BlockWidth/Height,Bytes */
206 },
207 {
208 MESA_FORMAT_ARGB4444_REV, /* Name */
209 "MESA_FORMAT_ARGB4444_REV", /* StrName */
210 GL_RGBA, /* BaseFormat */
211 GL_UNSIGNED_NORMALIZED, /* DataType */
212 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
213 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
214 1, 1, 2 /* BlockWidth/Height,Bytes */
215 },
216 {
217 MESA_FORMAT_RGBA5551, /* Name */
218 "MESA_FORMAT_RGBA5551", /* StrName */
219 GL_RGBA, /* BaseFormat */
220 GL_UNSIGNED_NORMALIZED, /* DataType */
221 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
222 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
223 1, 1, 2 /* BlockWidth/Height,Bytes */
224 },
225 {
226 MESA_FORMAT_ARGB1555, /* Name */
227 "MESA_FORMAT_ARGB1555", /* StrName */
228 GL_RGBA, /* BaseFormat */
229 GL_UNSIGNED_NORMALIZED, /* DataType */
230 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
231 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
232 1, 1, 2 /* BlockWidth/Height,Bytes */
233 },
234 {
235 MESA_FORMAT_ARGB1555_REV, /* Name */
236 "MESA_FORMAT_ARGB1555_REV", /* StrName */
237 GL_RGBA, /* BaseFormat */
238 GL_UNSIGNED_NORMALIZED, /* DataType */
239 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
240 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
241 1, 1, 2 /* BlockWidth/Height,Bytes */
242 },
243 {
244 MESA_FORMAT_AL44, /* Name */
245 "MESA_FORMAT_AL44", /* StrName */
246 GL_LUMINANCE_ALPHA, /* BaseFormat */
247 GL_UNSIGNED_NORMALIZED, /* DataType */
248 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
249 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
250 1, 1, 1 /* BlockWidth/Height,Bytes */
251 },
252 {
253 MESA_FORMAT_AL88, /* Name */
254 "MESA_FORMAT_AL88", /* StrName */
255 GL_LUMINANCE_ALPHA, /* BaseFormat */
256 GL_UNSIGNED_NORMALIZED, /* DataType */
257 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
258 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
259 1, 1, 2 /* BlockWidth/Height,Bytes */
260 },
261 {
262 MESA_FORMAT_AL88_REV, /* Name */
263 "MESA_FORMAT_AL88_REV", /* StrName */
264 GL_LUMINANCE_ALPHA, /* BaseFormat */
265 GL_UNSIGNED_NORMALIZED, /* DataType */
266 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
267 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
268 1, 1, 2 /* BlockWidth/Height,Bytes */
269 },
270 {
271 MESA_FORMAT_AL1616, /* Name */
272 "MESA_FORMAT_AL1616", /* StrName */
273 GL_LUMINANCE_ALPHA, /* BaseFormat */
274 GL_UNSIGNED_NORMALIZED, /* DataType */
275 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
276 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
277 1, 1, 4 /* BlockWidth/Height,Bytes */
278 },
279 {
280 MESA_FORMAT_AL1616_REV, /* Name */
281 "MESA_FORMAT_AL1616_REV", /* StrName */
282 GL_LUMINANCE_ALPHA, /* BaseFormat */
283 GL_UNSIGNED_NORMALIZED, /* DataType */
284 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
285 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
286 1, 1, 4 /* BlockWidth/Height,Bytes */
287 },
288 {
289 MESA_FORMAT_RGB332, /* Name */
290 "MESA_FORMAT_RGB332", /* StrName */
291 GL_RGB, /* BaseFormat */
292 GL_UNSIGNED_NORMALIZED, /* DataType */
293 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
294 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
295 1, 1, 1 /* BlockWidth/Height,Bytes */
296 },
297 {
298 MESA_FORMAT_A8, /* Name */
299 "MESA_FORMAT_A8", /* StrName */
300 GL_ALPHA, /* BaseFormat */
301 GL_UNSIGNED_NORMALIZED, /* DataType */
302 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
303 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
304 1, 1, 1 /* BlockWidth/Height,Bytes */
305 },
306 {
307 MESA_FORMAT_A16, /* Name */
308 "MESA_FORMAT_A16", /* StrName */
309 GL_ALPHA, /* BaseFormat */
310 GL_UNSIGNED_NORMALIZED, /* DataType */
311 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
312 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
313 1, 1, 2 /* BlockWidth/Height,Bytes */
314 },
315 {
316 MESA_FORMAT_L8, /* Name */
317 "MESA_FORMAT_L8", /* StrName */
318 GL_LUMINANCE, /* BaseFormat */
319 GL_UNSIGNED_NORMALIZED, /* DataType */
320 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
321 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
322 1, 1, 1 /* BlockWidth/Height,Bytes */
323 },
324 {
325 MESA_FORMAT_L16, /* Name */
326 "MESA_FORMAT_L16", /* StrName */
327 GL_LUMINANCE, /* BaseFormat */
328 GL_UNSIGNED_NORMALIZED, /* DataType */
329 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
330 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
331 1, 1, 2 /* BlockWidth/Height,Bytes */
332 },
333 {
334 MESA_FORMAT_I8, /* Name */
335 "MESA_FORMAT_I8", /* StrName */
336 GL_INTENSITY, /* BaseFormat */
337 GL_UNSIGNED_NORMALIZED, /* DataType */
338 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
339 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
340 1, 1, 1 /* BlockWidth/Height,Bytes */
341 },
342 {
343 MESA_FORMAT_I16, /* Name */
344 "MESA_FORMAT_I16", /* StrName */
345 GL_INTENSITY, /* BaseFormat */
346 GL_UNSIGNED_NORMALIZED, /* DataType */
347 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
348 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
349 1, 1, 2 /* BlockWidth/Height,Bytes */
350 },
351 {
352 MESA_FORMAT_YCBCR, /* Name */
353 "MESA_FORMAT_YCBCR", /* StrName */
354 GL_YCBCR_MESA, /* BaseFormat */
355 GL_UNSIGNED_NORMALIZED, /* DataType */
356 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
357 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
358 1, 1, 2 /* BlockWidth/Height,Bytes */
359 },
360 {
361 MESA_FORMAT_YCBCR_REV, /* Name */
362 "MESA_FORMAT_YCBCR_REV", /* StrName */
363 GL_YCBCR_MESA, /* BaseFormat */
364 GL_UNSIGNED_NORMALIZED, /* DataType */
365 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
366 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
367 1, 1, 2 /* BlockWidth/Height,Bytes */
368 },
369 {
370 MESA_FORMAT_R8,
371 "MESA_FORMAT_R8",
372 GL_RED,
373 GL_UNSIGNED_NORMALIZED,
374 8, 0, 0, 0,
375 0, 0, 0, 0, 0,
376 1, 1, 1
377 },
378 {
379 MESA_FORMAT_GR88,
380 "MESA_FORMAT_GR88",
381 GL_RG,
382 GL_UNSIGNED_NORMALIZED,
383 8, 8, 0, 0,
384 0, 0, 0, 0, 0,
385 1, 1, 2
386 },
387 {
388 MESA_FORMAT_RG88,
389 "MESA_FORMAT_RG88",
390 GL_RG,
391 GL_UNSIGNED_NORMALIZED,
392 8, 8, 0, 0,
393 0, 0, 0, 0, 0,
394 1, 1, 2
395 },
396 {
397 MESA_FORMAT_R16,
398 "MESA_FORMAT_R16",
399 GL_RED,
400 GL_UNSIGNED_NORMALIZED,
401 16, 0, 0, 0,
402 0, 0, 0, 0, 0,
403 1, 1, 2
404 },
405 {
406 MESA_FORMAT_GR1616,
407 "MESA_FORMAT_GR1616",
408 GL_RG,
409 GL_UNSIGNED_NORMALIZED,
410 16, 16, 0, 0,
411 0, 0, 0, 0, 0,
412 1, 1, 4
413 },
414 {
415 MESA_FORMAT_RG1616,
416 "MESA_FORMAT_RG1616",
417 GL_RG,
418 GL_UNSIGNED_NORMALIZED,
419 16, 16, 0, 0,
420 0, 0, 0, 0, 0,
421 1, 1, 4
422 },
423 {
424 MESA_FORMAT_ARGB2101010,
425 "MESA_FORMAT_ARGB2101010",
426 GL_RGBA,
427 GL_UNSIGNED_NORMALIZED,
428 10, 10, 10, 2,
429 0, 0, 0, 0, 0,
430 1, 1, 4
431 },
432 {
433 MESA_FORMAT_Z24_S8, /* Name */
434 "MESA_FORMAT_Z24_S8", /* StrName */
435 GL_DEPTH_STENCIL, /* BaseFormat */
436 GL_UNSIGNED_NORMALIZED, /* DataType */
437 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
438 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
439 1, 1, 4 /* BlockWidth/Height,Bytes */
440 },
441 {
442 MESA_FORMAT_S8_Z24, /* Name */
443 "MESA_FORMAT_S8_Z24", /* StrName */
444 GL_DEPTH_STENCIL, /* BaseFormat */
445 GL_UNSIGNED_NORMALIZED, /* DataType */
446 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
447 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
448 1, 1, 4 /* BlockWidth/Height,Bytes */
449 },
450 {
451 MESA_FORMAT_Z16, /* Name */
452 "MESA_FORMAT_Z16", /* StrName */
453 GL_DEPTH_COMPONENT, /* BaseFormat */
454 GL_UNSIGNED_NORMALIZED, /* DataType */
455 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
456 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
457 1, 1, 2 /* BlockWidth/Height,Bytes */
458 },
459 {
460 MESA_FORMAT_X8_Z24, /* Name */
461 "MESA_FORMAT_X8_Z24", /* StrName */
462 GL_DEPTH_COMPONENT, /* BaseFormat */
463 GL_UNSIGNED_NORMALIZED, /* DataType */
464 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
465 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
466 1, 1, 4 /* BlockWidth/Height,Bytes */
467 },
468 {
469 MESA_FORMAT_Z24_X8, /* Name */
470 "MESA_FORMAT_Z24_X8", /* StrName */
471 GL_DEPTH_COMPONENT, /* BaseFormat */
472 GL_UNSIGNED_NORMALIZED, /* DataType */
473 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
474 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
475 1, 1, 4 /* BlockWidth/Height,Bytes */
476 },
477 {
478 MESA_FORMAT_Z32, /* Name */
479 "MESA_FORMAT_Z32", /* StrName */
480 GL_DEPTH_COMPONENT, /* BaseFormat */
481 GL_UNSIGNED_NORMALIZED, /* DataType */
482 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
483 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
484 1, 1, 4 /* BlockWidth/Height,Bytes */
485 },
486 {
487 MESA_FORMAT_S8, /* Name */
488 "MESA_FORMAT_S8", /* StrName */
489 GL_STENCIL_INDEX, /* BaseFormat */
490 GL_UNSIGNED_INT, /* DataType */
491 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
492 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
493 1, 1, 1 /* BlockWidth/Height,Bytes */
494 },
495 {
496 MESA_FORMAT_SRGB8,
497 "MESA_FORMAT_SRGB8",
498 GL_RGB,
499 GL_UNSIGNED_NORMALIZED,
500 8, 8, 8, 0,
501 0, 0, 0, 0, 0,
502 1, 1, 3
503 },
504 {
505 MESA_FORMAT_SRGBA8,
506 "MESA_FORMAT_SRGBA8",
507 GL_RGBA,
508 GL_UNSIGNED_NORMALIZED,
509 8, 8, 8, 8,
510 0, 0, 0, 0, 0,
511 1, 1, 4
512 },
513 {
514 MESA_FORMAT_SARGB8,
515 "MESA_FORMAT_SARGB8",
516 GL_RGBA,
517 GL_UNSIGNED_NORMALIZED,
518 8, 8, 8, 8,
519 0, 0, 0, 0, 0,
520 1, 1, 4
521 },
522 {
523 MESA_FORMAT_SL8,
524 "MESA_FORMAT_SL8",
525 GL_LUMINANCE,
526 GL_UNSIGNED_NORMALIZED,
527 0, 0, 0, 0,
528 8, 0, 0, 0, 0,
529 1, 1, 1
530 },
531 {
532 MESA_FORMAT_SLA8,
533 "MESA_FORMAT_SLA8",
534 GL_LUMINANCE_ALPHA,
535 GL_UNSIGNED_NORMALIZED,
536 0, 0, 0, 8,
537 8, 0, 0, 0, 0,
538 1, 1, 2
539 },
540 {
541 MESA_FORMAT_SRGB_DXT1, /* Name */
542 "MESA_FORMAT_SRGB_DXT1", /* StrName */
543 GL_RGB, /* BaseFormat */
544 GL_UNSIGNED_NORMALIZED, /* DataType */
545 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
546 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
547 4, 4, 8 /* 8 bytes per 4x4 block */
548 },
549 {
550 MESA_FORMAT_SRGBA_DXT1,
551 "MESA_FORMAT_SRGBA_DXT1",
552 GL_RGBA,
553 GL_UNSIGNED_NORMALIZED,
554 4, 4, 4, 4,
555 0, 0, 0, 0, 0,
556 4, 4, 8 /* 8 bytes per 4x4 block */
557 },
558 {
559 MESA_FORMAT_SRGBA_DXT3,
560 "MESA_FORMAT_SRGBA_DXT3",
561 GL_RGBA,
562 GL_UNSIGNED_NORMALIZED,
563 4, 4, 4, 4,
564 0, 0, 0, 0, 0,
565 4, 4, 16 /* 16 bytes per 4x4 block */
566 },
567 {
568 MESA_FORMAT_SRGBA_DXT5,
569 "MESA_FORMAT_SRGBA_DXT5",
570 GL_RGBA,
571 GL_UNSIGNED_NORMALIZED,
572 4, 4, 4, 4,
573 0, 0, 0, 0, 0,
574 4, 4, 16 /* 16 bytes per 4x4 block */
575 },
576
577 {
578 MESA_FORMAT_RGB_FXT1,
579 "MESA_FORMAT_RGB_FXT1",
580 GL_RGB,
581 GL_UNSIGNED_NORMALIZED,
582 4, 4, 4, 0, /* approx Red/Green/BlueBits */
583 0, 0, 0, 0, 0,
584 8, 4, 16 /* 16 bytes per 8x4 block */
585 },
586 {
587 MESA_FORMAT_RGBA_FXT1,
588 "MESA_FORMAT_RGBA_FXT1",
589 GL_RGBA,
590 GL_UNSIGNED_NORMALIZED,
591 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
592 0, 0, 0, 0, 0,
593 8, 4, 16 /* 16 bytes per 8x4 block */
594 },
595
596 {
597 MESA_FORMAT_RGB_DXT1, /* Name */
598 "MESA_FORMAT_RGB_DXT1", /* StrName */
599 GL_RGB, /* BaseFormat */
600 GL_UNSIGNED_NORMALIZED, /* DataType */
601 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
602 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
603 4, 4, 8 /* 8 bytes per 4x4 block */
604 },
605 {
606 MESA_FORMAT_RGBA_DXT1,
607 "MESA_FORMAT_RGBA_DXT1",
608 GL_RGBA,
609 GL_UNSIGNED_NORMALIZED,
610 4, 4, 4, 4,
611 0, 0, 0, 0, 0,
612 4, 4, 8 /* 8 bytes per 4x4 block */
613 },
614 {
615 MESA_FORMAT_RGBA_DXT3,
616 "MESA_FORMAT_RGBA_DXT3",
617 GL_RGBA,
618 GL_UNSIGNED_NORMALIZED,
619 4, 4, 4, 4,
620 0, 0, 0, 0, 0,
621 4, 4, 16 /* 16 bytes per 4x4 block */
622 },
623 {
624 MESA_FORMAT_RGBA_DXT5,
625 "MESA_FORMAT_RGBA_DXT5",
626 GL_RGBA,
627 GL_UNSIGNED_NORMALIZED,
628 4, 4, 4, 4,
629 0, 0, 0, 0, 0,
630 4, 4, 16 /* 16 bytes per 4x4 block */
631 },
632 {
633 MESA_FORMAT_RGBA_FLOAT32,
634 "MESA_FORMAT_RGBA_FLOAT32",
635 GL_RGBA,
636 GL_FLOAT,
637 32, 32, 32, 32,
638 0, 0, 0, 0, 0,
639 1, 1, 16
640 },
641 {
642 MESA_FORMAT_RGBA_FLOAT16,
643 "MESA_FORMAT_RGBA_FLOAT16",
644 GL_RGBA,
645 GL_FLOAT,
646 16, 16, 16, 16,
647 0, 0, 0, 0, 0,
648 1, 1, 8
649 },
650 {
651 MESA_FORMAT_RGB_FLOAT32,
652 "MESA_FORMAT_RGB_FLOAT32",
653 GL_RGB,
654 GL_FLOAT,
655 32, 32, 32, 0,
656 0, 0, 0, 0, 0,
657 1, 1, 12
658 },
659 {
660 MESA_FORMAT_RGB_FLOAT16,
661 "MESA_FORMAT_RGB_FLOAT16",
662 GL_RGB,
663 GL_FLOAT,
664 16, 16, 16, 0,
665 0, 0, 0, 0, 0,
666 1, 1, 6
667 },
668 {
669 MESA_FORMAT_ALPHA_FLOAT32,
670 "MESA_FORMAT_ALPHA_FLOAT32",
671 GL_ALPHA,
672 GL_FLOAT,
673 0, 0, 0, 32,
674 0, 0, 0, 0, 0,
675 1, 1, 4
676 },
677 {
678 MESA_FORMAT_ALPHA_FLOAT16,
679 "MESA_FORMAT_ALPHA_FLOAT16",
680 GL_ALPHA,
681 GL_FLOAT,
682 0, 0, 0, 16,
683 0, 0, 0, 0, 0,
684 1, 1, 2
685 },
686 {
687 MESA_FORMAT_LUMINANCE_FLOAT32,
688 "MESA_FORMAT_LUMINANCE_FLOAT32",
689 GL_LUMINANCE,
690 GL_FLOAT,
691 0, 0, 0, 0,
692 32, 0, 0, 0, 0,
693 1, 1, 4
694 },
695 {
696 MESA_FORMAT_LUMINANCE_FLOAT16,
697 "MESA_FORMAT_LUMINANCE_FLOAT16",
698 GL_LUMINANCE,
699 GL_FLOAT,
700 0, 0, 0, 0,
701 16, 0, 0, 0, 0,
702 1, 1, 2
703 },
704 {
705 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
706 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
707 GL_LUMINANCE_ALPHA,
708 GL_FLOAT,
709 0, 0, 0, 32,
710 32, 0, 0, 0, 0,
711 1, 1, 8
712 },
713 {
714 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
715 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
716 GL_LUMINANCE_ALPHA,
717 GL_FLOAT,
718 0, 0, 0, 16,
719 16, 0, 0, 0, 0,
720 1, 1, 4
721 },
722 {
723 MESA_FORMAT_INTENSITY_FLOAT32,
724 "MESA_FORMAT_INTENSITY_FLOAT32",
725 GL_INTENSITY,
726 GL_FLOAT,
727 0, 0, 0, 0,
728 0, 32, 0, 0, 0,
729 1, 1, 4
730 },
731 {
732 MESA_FORMAT_INTENSITY_FLOAT16,
733 "MESA_FORMAT_INTENSITY_FLOAT16",
734 GL_INTENSITY,
735 GL_FLOAT,
736 0, 0, 0, 0,
737 0, 16, 0, 0, 0,
738 1, 1, 2
739 },
740 {
741 MESA_FORMAT_R_FLOAT32,
742 "MESA_FORMAT_R_FLOAT32",
743 GL_RED,
744 GL_FLOAT,
745 32, 0, 0, 0,
746 0, 0, 0, 0, 0,
747 1, 1, 4
748 },
749 {
750 MESA_FORMAT_R_FLOAT16,
751 "MESA_FORMAT_R_FLOAT16",
752 GL_RED,
753 GL_FLOAT,
754 16, 0, 0, 0,
755 0, 0, 0, 0, 0,
756 1, 1, 2
757 },
758 {
759 MESA_FORMAT_RG_FLOAT32,
760 "MESA_FORMAT_RG_FLOAT32",
761 GL_RG,
762 GL_FLOAT,
763 32, 32, 0, 0,
764 0, 0, 0, 0, 0,
765 1, 1, 8
766 },
767 {
768 MESA_FORMAT_RG_FLOAT16,
769 "MESA_FORMAT_RG_FLOAT16",
770 GL_RG,
771 GL_FLOAT,
772 16, 16, 0, 0,
773 0, 0, 0, 0, 0,
774 1, 1, 4
775 },
776
777 /* unnormalized signed int formats */
778 /* unnormalized unsigned int formats */
779 {
780 MESA_FORMAT_ALPHA_UINT8,
781 "MESA_FORMAT_ALPHA_UINT8",
782 GL_ALPHA,
783 GL_UNSIGNED_INT,
784 0, 0, 0, 8,
785 0, 0, 0, 0, 0,
786 1, 1, 1
787 },
788 {
789 MESA_FORMAT_ALPHA_UINT16,
790 "MESA_FORMAT_ALPHA_UINT16",
791 GL_ALPHA,
792 GL_UNSIGNED_INT,
793 0, 0, 0, 16,
794 0, 0, 0, 0, 0,
795 1, 1, 2
796 },
797 {
798 MESA_FORMAT_ALPHA_UINT32,
799 "MESA_FORMAT_ALPHA_UINT32",
800 GL_ALPHA,
801 GL_UNSIGNED_INT,
802 0, 0, 0, 32,
803 0, 0, 0, 0, 0,
804 1, 1, 4
805 },
806 {
807 MESA_FORMAT_ALPHA_INT8,
808 "MESA_FORMAT_ALPHA_INT8",
809 GL_ALPHA,
810 GL_INT,
811 0, 0, 0, 8,
812 0, 0, 0, 0, 0,
813 1, 1, 1
814 },
815 {
816 MESA_FORMAT_ALPHA_INT16,
817 "MESA_FORMAT_ALPHA_INT16",
818 GL_ALPHA,
819 GL_INT,
820 0, 0, 0, 16,
821 0, 0, 0, 0, 0,
822 1, 1, 2
823 },
824 {
825 MESA_FORMAT_ALPHA_INT32,
826 "MESA_FORMAT_ALPHA_INT32",
827 GL_ALPHA,
828 GL_INT,
829 0, 0, 0, 32,
830 0, 0, 0, 0, 0,
831 1, 1, 4
832 },
833 {
834 MESA_FORMAT_INTENSITY_UINT8,
835 "MESA_FORMAT_INTENSITY_UINT8",
836 GL_INTENSITY,
837 GL_UNSIGNED_INT,
838 0, 0, 0, 0,
839 0, 8, 0, 0, 0,
840 1, 1, 1
841 },
842 {
843 MESA_FORMAT_INTENSITY_UINT16,
844 "MESA_FORMAT_INTENSITY_UINT16",
845 GL_INTENSITY,
846 GL_UNSIGNED_INT,
847 0, 0, 0, 0,
848 0, 16, 0, 0, 0,
849 1, 1, 2
850 },
851 {
852 MESA_FORMAT_INTENSITY_UINT32,
853 "MESA_FORMAT_INTENSITY_UINT32",
854 GL_INTENSITY,
855 GL_UNSIGNED_INT,
856 0, 0, 0, 0,
857 0, 32, 0, 0, 0,
858 1, 1, 4
859 },
860 {
861 MESA_FORMAT_INTENSITY_INT8,
862 "MESA_FORMAT_INTENSITY_INT8",
863 GL_INTENSITY,
864 GL_INT,
865 0, 0, 0, 0,
866 0, 8, 0, 0, 0,
867 1, 1, 1
868 },
869 {
870 MESA_FORMAT_INTENSITY_INT16,
871 "MESA_FORMAT_INTENSITY_INT16",
872 GL_INTENSITY,
873 GL_INT,
874 0, 0, 0, 0,
875 0, 16, 0, 0, 0,
876 1, 1, 2
877 },
878 {
879 MESA_FORMAT_INTENSITY_INT32,
880 "MESA_FORMAT_INTENSITY_INT32",
881 GL_INTENSITY,
882 GL_INT,
883 0, 0, 0, 0,
884 0, 32, 0, 0, 0,
885 1, 1, 4
886 },
887 {
888 MESA_FORMAT_LUMINANCE_UINT8,
889 "MESA_FORMAT_LUMINANCE_UINT8",
890 GL_LUMINANCE,
891 GL_UNSIGNED_INT,
892 0, 0, 0, 0,
893 8, 0, 0, 0, 0,
894 1, 1, 1
895 },
896 {
897 MESA_FORMAT_LUMINANCE_UINT16,
898 "MESA_FORMAT_LUMINANCE_UINT16",
899 GL_LUMINANCE,
900 GL_UNSIGNED_INT,
901 0, 0, 0, 0,
902 16, 0, 0, 0, 0,
903 1, 1, 2
904 },
905 {
906 MESA_FORMAT_LUMINANCE_UINT32,
907 "MESA_FORMAT_LUMINANCE_UINT32",
908 GL_LUMINANCE,
909 GL_UNSIGNED_INT,
910 0, 0, 0, 0,
911 32, 0, 0, 0, 0,
912 1, 1, 4
913 },
914 {
915 MESA_FORMAT_LUMINANCE_INT8,
916 "MESA_FORMAT_LUMINANCE_INT8",
917 GL_LUMINANCE,
918 GL_INT,
919 0, 0, 0, 0,
920 8, 0, 0, 0, 0,
921 1, 1, 1
922 },
923 {
924 MESA_FORMAT_LUMINANCE_INT16,
925 "MESA_FORMAT_LUMINANCE_INT16",
926 GL_LUMINANCE,
927 GL_INT,
928 0, 0, 0, 0,
929 16, 0, 0, 0, 0,
930 1, 1, 2
931 },
932 {
933 MESA_FORMAT_LUMINANCE_INT32,
934 "MESA_FORMAT_LUMINANCE_INT32",
935 GL_LUMINANCE,
936 GL_INT,
937 0, 0, 0, 0,
938 32, 0, 0, 0, 0,
939 1, 1, 4
940 },
941 {
942 MESA_FORMAT_LUMINANCE_ALPHA_UINT8,
943 "MESA_FORMAT_LUMINANCE_ALPHA_UINT8",
944 GL_LUMINANCE_ALPHA,
945 GL_UNSIGNED_INT,
946 0, 0, 0, 8,
947 8, 0, 0, 0, 0,
948 1, 1, 2
949 },
950 {
951 MESA_FORMAT_LUMINANCE_ALPHA_UINT16,
952 "MESA_FORMAT_LUMINANCE_ALPHA_UINT16",
953 GL_LUMINANCE_ALPHA,
954 GL_UNSIGNED_INT,
955 0, 0, 0, 16,
956 16, 0, 0, 0, 0,
957 1, 1, 4
958 },
959 {
960 MESA_FORMAT_LUMINANCE_ALPHA_UINT32,
961 "MESA_FORMAT_LUMINANCE_ALPHA_UINT32",
962 GL_LUMINANCE_ALPHA,
963 GL_UNSIGNED_INT,
964 0, 0, 0, 32,
965 32, 0, 0, 0, 0,
966 1, 1, 8
967 },
968 {
969 MESA_FORMAT_LUMINANCE_ALPHA_INT8,
970 "MESA_FORMAT_LUMINANCE_ALPHA_INT8",
971 GL_LUMINANCE_ALPHA,
972 GL_INT,
973 0, 0, 0, 8,
974 8, 0, 0, 0, 0,
975 1, 1, 2
976 },
977 {
978 MESA_FORMAT_LUMINANCE_ALPHA_INT16,
979 "MESA_FORMAT_LUMINANCE_ALPHA_INT16",
980 GL_LUMINANCE_ALPHA,
981 GL_INT,
982 0, 0, 0, 16,
983 16, 0, 0, 0, 0,
984 1, 1, 4
985 },
986 {
987 MESA_FORMAT_LUMINANCE_ALPHA_INT32,
988 "MESA_FORMAT_LUMINANCE_ALPHA_INT32",
989 GL_LUMINANCE_ALPHA,
990 GL_INT,
991 0, 0, 0, 32,
992 32, 0, 0, 0, 0,
993 1, 1, 8
994 },
995
996 {
997 MESA_FORMAT_R_INT8,
998 "MESA_FORMAT_R_INT8",
999 GL_RED,
1000 GL_INT,
1001 8, 0, 0, 0,
1002 0, 0, 0, 0, 0,
1003 1, 1, 1
1004 },
1005 {
1006 MESA_FORMAT_RG_INT8,
1007 "MESA_FORMAT_RG_INT8",
1008 GL_RG,
1009 GL_INT,
1010 8, 8, 0, 0,
1011 0, 0, 0, 0, 0,
1012 1, 1, 2
1013 },
1014 {
1015 MESA_FORMAT_RGB_INT8,
1016 "MESA_FORMAT_RGB_INT8",
1017 GL_RGB,
1018 GL_INT,
1019 8, 8, 8, 0,
1020 0, 0, 0, 0, 0,
1021 1, 1, 3
1022 },
1023 {
1024 MESA_FORMAT_RGBA_INT8,
1025 "MESA_FORMAT_RGBA_INT8",
1026 GL_RGBA,
1027 GL_INT,
1028 8, 8, 8, 8,
1029 0, 0, 0, 0, 0,
1030 1, 1, 4
1031 },
1032 {
1033 MESA_FORMAT_R_INT16,
1034 "MESA_FORMAT_R_INT16",
1035 GL_RED,
1036 GL_INT,
1037 16, 0, 0, 0,
1038 0, 0, 0, 0, 0,
1039 1, 1, 2
1040 },
1041 {
1042 MESA_FORMAT_RG_INT16,
1043 "MESA_FORMAT_RG_INT16",
1044 GL_RG,
1045 GL_INT,
1046 16, 16, 0, 0,
1047 0, 0, 0, 0, 0,
1048 1, 1, 4
1049 },
1050 {
1051 MESA_FORMAT_RGB_INT16,
1052 "MESA_FORMAT_RGB_INT16",
1053 GL_RGB,
1054 GL_INT,
1055 16, 16, 16, 0,
1056 0, 0, 0, 0, 0,
1057 1, 1, 6
1058 },
1059 {
1060 MESA_FORMAT_RGBA_INT16,
1061 "MESA_FORMAT_RGBA_INT16",
1062 GL_RGBA,
1063 GL_INT,
1064 16, 16, 16, 16,
1065 0, 0, 0, 0, 0,
1066 1, 1, 8
1067 },
1068 {
1069 MESA_FORMAT_R_INT32,
1070 "MESA_FORMAT_R_INT32",
1071 GL_RED,
1072 GL_INT,
1073 32, 0, 0, 0,
1074 0, 0, 0, 0, 0,
1075 1, 1, 4
1076 },
1077 {
1078 MESA_FORMAT_RG_INT32,
1079 "MESA_FORMAT_RG_INT32",
1080 GL_RG,
1081 GL_INT,
1082 32, 32, 0, 0,
1083 0, 0, 0, 0, 0,
1084 1, 1, 8
1085 },
1086 {
1087 MESA_FORMAT_RGB_INT32,
1088 "MESA_FORMAT_RGB_INT32",
1089 GL_RGB,
1090 GL_INT,
1091 32, 32, 32, 0,
1092 0, 0, 0, 0, 0,
1093 1, 1, 12
1094 },
1095 {
1096 MESA_FORMAT_RGBA_INT32,
1097 "MESA_FORMAT_RGBA_INT32",
1098 GL_RGBA,
1099 GL_INT,
1100 32, 32, 32, 32,
1101 0, 0, 0, 0, 0,
1102 1, 1, 16
1103 },
1104 {
1105 MESA_FORMAT_R_UINT8,
1106 "MESA_FORMAT_R_UINT8",
1107 GL_RED,
1108 GL_UNSIGNED_INT,
1109 8, 0, 0, 0,
1110 0, 0, 0, 0, 0,
1111 1, 1, 1
1112 },
1113 {
1114 MESA_FORMAT_RG_UINT8,
1115 "MESA_FORMAT_RG_UINT8",
1116 GL_RG,
1117 GL_UNSIGNED_INT,
1118 8, 8, 0, 0,
1119 0, 0, 0, 0, 0,
1120 1, 1, 2
1121 },
1122 {
1123 MESA_FORMAT_RGB_UINT8,
1124 "MESA_FORMAT_RGB_UINT8",
1125 GL_RGB,
1126 GL_UNSIGNED_INT,
1127 8, 8, 8, 0,
1128 0, 0, 0, 0, 0,
1129 1, 1, 3
1130 },
1131 {
1132 MESA_FORMAT_RGBA_UINT8,
1133 "MESA_FORMAT_RGBA_UINT8",
1134 GL_RGBA,
1135 GL_UNSIGNED_INT,
1136 8, 8, 8, 8,
1137 0, 0, 0, 0, 0,
1138 1, 1, 4
1139 },
1140 {
1141 MESA_FORMAT_R_UINT16,
1142 "MESA_FORMAT_R_UINT16",
1143 GL_RED,
1144 GL_UNSIGNED_INT,
1145 16, 0, 0, 0,
1146 0, 0, 0, 0, 0,
1147 1, 1, 2
1148 },
1149 {
1150 MESA_FORMAT_RG_UINT16,
1151 "MESA_FORMAT_RG_UINT16",
1152 GL_RG,
1153 GL_UNSIGNED_INT,
1154 16, 16, 0, 0,
1155 0, 0, 0, 0, 0,
1156 1, 1, 4
1157 },
1158 {
1159 MESA_FORMAT_RGB_UINT16,
1160 "MESA_FORMAT_RGB_UINT16",
1161 GL_RGB,
1162 GL_UNSIGNED_INT,
1163 16, 16, 16, 0,
1164 0, 0, 0, 0, 0,
1165 1, 1, 6
1166 },
1167 {
1168 MESA_FORMAT_RGBA_UINT16,
1169 "MESA_FORMAT_RGBA_UINT16",
1170 GL_RGBA,
1171 GL_UNSIGNED_INT,
1172 16, 16, 16, 16,
1173 0, 0, 0, 0, 0,
1174 1, 1, 8
1175 },
1176 {
1177 MESA_FORMAT_R_UINT32,
1178 "MESA_FORMAT_R_UINT32",
1179 GL_RED,
1180 GL_UNSIGNED_INT,
1181 32, 0, 0, 0,
1182 0, 0, 0, 0, 0,
1183 1, 1, 4
1184 },
1185 {
1186 MESA_FORMAT_RG_UINT32,
1187 "MESA_FORMAT_RG_UINT32",
1188 GL_RG,
1189 GL_UNSIGNED_INT,
1190 32, 32, 0, 0,
1191 0, 0, 0, 0, 0,
1192 1, 1, 8
1193 },
1194 {
1195 MESA_FORMAT_RGB_UINT32,
1196 "MESA_FORMAT_RGB_UINT32",
1197 GL_RGB,
1198 GL_UNSIGNED_INT,
1199 32, 32, 32, 0,
1200 0, 0, 0, 0, 0,
1201 1, 1, 12
1202 },
1203 {
1204 MESA_FORMAT_RGBA_UINT32,
1205 "MESA_FORMAT_RGBA_UINT32",
1206 GL_RGBA,
1207 GL_UNSIGNED_INT,
1208 32, 32, 32, 32,
1209 0, 0, 0, 0, 0,
1210 1, 1, 16
1211 },
1212
1213
1214 {
1215 MESA_FORMAT_DUDV8,
1216 "MESA_FORMAT_DUDV8",
1217 GL_DUDV_ATI,
1218 GL_SIGNED_NORMALIZED,
1219 0, 0, 0, 0,
1220 0, 0, 0, 0, 0,
1221 1, 1, 2
1222 },
1223
1224 /* Signed 8 bits / channel */
1225 {
1226 MESA_FORMAT_SIGNED_R8, /* Name */
1227 "MESA_FORMAT_SIGNED_R8", /* StrName */
1228 GL_RED, /* BaseFormat */
1229 GL_SIGNED_NORMALIZED, /* DataType */
1230 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1231 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1232 1, 1, 1 /* BlockWidth/Height,Bytes */
1233 },
1234 {
1235 MESA_FORMAT_SIGNED_RG88_REV,
1236 "MESA_FORMAT_SIGNED_RG88_REV",
1237 GL_RG,
1238 GL_SIGNED_NORMALIZED,
1239 8, 8, 0, 0,
1240 0, 0, 0, 0, 0,
1241 1, 1, 2
1242 },
1243 {
1244 MESA_FORMAT_SIGNED_RGBX8888,
1245 "MESA_FORMAT_SIGNED_RGBX8888",
1246 GL_RGB,
1247 GL_SIGNED_NORMALIZED,
1248 8, 8, 8, 0,
1249 0, 0, 0, 0, 0,
1250 1, 1, 4 /* 4 bpp, but no alpha */
1251 },
1252 {
1253 MESA_FORMAT_SIGNED_RGBA8888,
1254 "MESA_FORMAT_SIGNED_RGBA8888",
1255 GL_RGBA,
1256 GL_SIGNED_NORMALIZED,
1257 8, 8, 8, 8,
1258 0, 0, 0, 0, 0,
1259 1, 1, 4
1260 },
1261 {
1262 MESA_FORMAT_SIGNED_RGBA8888_REV,
1263 "MESA_FORMAT_SIGNED_RGBA8888_REV",
1264 GL_RGBA,
1265 GL_SIGNED_NORMALIZED,
1266 8, 8, 8, 8,
1267 0, 0, 0, 0, 0,
1268 1, 1, 4
1269 },
1270
1271 /* Signed 16 bits / channel */
1272 {
1273 MESA_FORMAT_SIGNED_R16,
1274 "MESA_FORMAT_SIGNED_R16",
1275 GL_RED,
1276 GL_SIGNED_NORMALIZED,
1277 16, 0, 0, 0,
1278 0, 0, 0, 0, 0,
1279 1, 1, 2
1280 },
1281 {
1282 MESA_FORMAT_SIGNED_GR1616,
1283 "MESA_FORMAT_SIGNED_GR1616",
1284 GL_RG,
1285 GL_SIGNED_NORMALIZED,
1286 16, 16, 0, 0,
1287 0, 0, 0, 0, 0,
1288 1, 1, 4
1289 },
1290 {
1291 MESA_FORMAT_SIGNED_RGB_16,
1292 "MESA_FORMAT_SIGNED_RGB_16",
1293 GL_RGB,
1294 GL_SIGNED_NORMALIZED,
1295 16, 16, 16, 0,
1296 0, 0, 0, 0, 0,
1297 1, 1, 6
1298 },
1299 {
1300 MESA_FORMAT_SIGNED_RGBA_16,
1301 "MESA_FORMAT_SIGNED_RGBA_16",
1302 GL_RGBA,
1303 GL_SIGNED_NORMALIZED,
1304 16, 16, 16, 16,
1305 0, 0, 0, 0, 0,
1306 1, 1, 8
1307 },
1308 {
1309 MESA_FORMAT_RGBA_16,
1310 "MESA_FORMAT_RGBA_16",
1311 GL_RGBA,
1312 GL_UNSIGNED_NORMALIZED,
1313 16, 16, 16, 16,
1314 0, 0, 0, 0, 0,
1315 1, 1, 8
1316 },
1317 {
1318 MESA_FORMAT_RED_RGTC1,
1319 "MESA_FORMAT_RED_RGTC1",
1320 GL_RED,
1321 GL_UNSIGNED_NORMALIZED,
1322 8, 0, 0, 0,
1323 0, 0, 0, 0, 0,
1324 4, 4, 8 /* 8 bytes per 4x4 block */
1325 },
1326 {
1327 MESA_FORMAT_SIGNED_RED_RGTC1,
1328 "MESA_FORMAT_SIGNED_RED_RGTC1",
1329 GL_RED,
1330 GL_SIGNED_NORMALIZED,
1331 8, 0, 0, 0,
1332 0, 0, 0, 0, 0,
1333 4, 4, 8 /* 8 bytes per 4x4 block */
1334 },
1335 {
1336 MESA_FORMAT_RG_RGTC2,
1337 "MESA_FORMAT_RG_RGTC2",
1338 GL_RG,
1339 GL_UNSIGNED_NORMALIZED,
1340 8, 8, 0, 0,
1341 0, 0, 0, 0, 0,
1342 4, 4, 16 /* 16 bytes per 4x4 block */
1343 },
1344 {
1345 MESA_FORMAT_SIGNED_RG_RGTC2,
1346 "MESA_FORMAT_SIGNED_RG_RGTC2",
1347 GL_RG,
1348 GL_SIGNED_NORMALIZED,
1349 8, 8, 0, 0,
1350 0, 0, 0, 0, 0,
1351 4, 4, 16 /* 16 bytes per 4x4 block */
1352 },
1353 {
1354 MESA_FORMAT_L_LATC1,
1355 "MESA_FORMAT_L_LATC1",
1356 GL_LUMINANCE,
1357 GL_UNSIGNED_NORMALIZED,
1358 0, 0, 0, 0,
1359 4, 0, 0, 0, 0,
1360 4, 4, 8 /* 8 bytes per 4x4 block */
1361 },
1362 {
1363 MESA_FORMAT_SIGNED_L_LATC1,
1364 "MESA_FORMAT_SIGNED_L_LATC1",
1365 GL_LUMINANCE,
1366 GL_SIGNED_NORMALIZED,
1367 0, 0, 0, 0,
1368 4, 0, 0, 0, 0,
1369 4, 4, 8 /* 8 bytes per 4x4 block */
1370 },
1371 {
1372 MESA_FORMAT_LA_LATC2,
1373 "MESA_FORMAT_LA_LATC2",
1374 GL_LUMINANCE_ALPHA,
1375 GL_UNSIGNED_NORMALIZED,
1376 0, 0, 0, 4,
1377 4, 0, 0, 0, 0,
1378 4, 4, 16 /* 16 bytes per 4x4 block */
1379 },
1380 {
1381 MESA_FORMAT_SIGNED_LA_LATC2,
1382 "MESA_FORMAT_SIGNED_LA_LATC2",
1383 GL_LUMINANCE_ALPHA,
1384 GL_SIGNED_NORMALIZED,
1385 0, 0, 0, 4,
1386 4, 0, 0, 0, 0,
1387 4, 4, 16 /* 16 bytes per 4x4 block */
1388 },
1389
1390 {
1391 MESA_FORMAT_ETC1_RGB8,
1392 "MESA_FORMAT_ETC1_RGB8",
1393 GL_RGB,
1394 GL_UNSIGNED_NORMALIZED,
1395 8, 8, 8, 0,
1396 0, 0, 0, 0, 0,
1397 4, 4, 8 /* 8 bytes per 4x4 block */
1398 },
1399
1400 {
1401 MESA_FORMAT_ETC2_RGB8,
1402 "MESA_FORMAT_ETC2_RGB8",
1403 GL_RGB,
1404 GL_UNSIGNED_NORMALIZED,
1405 8, 8, 8, 0,
1406 0, 0, 0, 0, 0,
1407 4, 4, 8 /* 8 bytes per 4x4 block */
1408 },
1409
1410 {
1411 MESA_FORMAT_ETC2_SRGB8,
1412 "MESA_FORMAT_ETC2_SRGB8",
1413 GL_RGB,
1414 GL_UNSIGNED_NORMALIZED,
1415 8, 8, 8, 0,
1416 0, 0, 0, 0, 0,
1417 4, 4, 8 /* 8 bytes per 4x4 block */
1418 },
1419
1420 {
1421 MESA_FORMAT_ETC2_RGBA8_EAC,
1422 "MESA_FORMAT_ETC2_RGBA8_EAC",
1423 GL_RGBA,
1424 GL_UNSIGNED_NORMALIZED,
1425 8, 8, 8, 8,
1426 0, 0, 0, 0, 0,
1427 4, 4, 16 /* 16 bytes per 4x4 block */
1428 },
1429
1430 {
1431 MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC,
1432 "MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC",
1433 GL_RGBA,
1434 GL_UNSIGNED_NORMALIZED,
1435 8, 8, 8, 8,
1436 0, 0, 0, 0, 0,
1437 4, 4, 16 /* 16 bytes per 4x4 block */
1438 },
1439
1440 {
1441 MESA_FORMAT_ETC2_R11_EAC,
1442 "MESA_FORMAT_ETC2_R11_EAC",
1443 GL_RED,
1444 GL_UNSIGNED_NORMALIZED,
1445 11, 0, 0, 0,
1446 0, 0, 0, 0, 0,
1447 4, 4, 8 /* 8 bytes per 4x4 block */
1448 },
1449
1450 {
1451 MESA_FORMAT_ETC2_RG11_EAC,
1452 "MESA_FORMAT_ETC2_RG11_EAC",
1453 GL_RG,
1454 GL_UNSIGNED_NORMALIZED,
1455 11, 11, 0, 0,
1456 0, 0, 0, 0, 0,
1457 4, 4, 16 /* 16 bytes per 4x4 block */
1458 },
1459
1460 {
1461 MESA_FORMAT_ETC2_SIGNED_R11_EAC,
1462 "MESA_FORMAT_ETC2_SIGNED_R11_EAC",
1463 GL_RED,
1464 GL_SIGNED_NORMALIZED,
1465 11, 0, 0, 0,
1466 0, 0, 0, 0, 0,
1467 4, 4, 8 /* 8 bytes per 4x4 block */
1468 },
1469
1470 {
1471 MESA_FORMAT_ETC2_SIGNED_RG11_EAC,
1472 "MESA_FORMAT_ETC2_SIGNED_RG11_EAC",
1473 GL_RG,
1474 GL_SIGNED_NORMALIZED,
1475 11, 11, 0, 0,
1476 0, 0, 0, 0, 0,
1477 4, 4, 16 /* 16 bytes per 4x4 block */
1478 },
1479
1480 {
1481 MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
1482 "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
1483 GL_RGBA,
1484 GL_UNSIGNED_NORMALIZED,
1485 8, 8, 8, 1,
1486 0, 0, 0, 0, 0,
1487 4, 4, 8 /* 8 bytes per 4x4 block */
1488 },
1489
1490 {
1491 MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
1492 "MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1",
1493 GL_RGBA,
1494 GL_UNSIGNED_NORMALIZED,
1495 8, 8, 8, 1,
1496 0, 0, 0, 0, 0,
1497 4, 4, 8 /* 8 bytes per 4x4 block */
1498 },
1499
1500 /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
1501 {
1502 MESA_FORMAT_SIGNED_A8,
1503 "MESA_FORMAT_SIGNED_A8",
1504 GL_ALPHA,
1505 GL_SIGNED_NORMALIZED,
1506 0, 0, 0, 8,
1507 0, 0, 0, 0, 0,
1508 1, 1, 1
1509 },
1510 {
1511 MESA_FORMAT_SIGNED_L8,
1512 "MESA_FORMAT_SIGNED_L8",
1513 GL_LUMINANCE,
1514 GL_SIGNED_NORMALIZED,
1515 0, 0, 0, 0,
1516 8, 0, 0, 0, 0,
1517 1, 1, 1
1518 },
1519 {
1520 MESA_FORMAT_SIGNED_AL88,
1521 "MESA_FORMAT_SIGNED_AL88",
1522 GL_LUMINANCE_ALPHA,
1523 GL_SIGNED_NORMALIZED,
1524 0, 0, 0, 8,
1525 8, 0, 0, 0, 0,
1526 1, 1, 2
1527 },
1528 {
1529 MESA_FORMAT_SIGNED_I8,
1530 "MESA_FORMAT_SIGNED_I8",
1531 GL_INTENSITY,
1532 GL_SIGNED_NORMALIZED,
1533 0, 0, 0, 0,
1534 0, 8, 0, 0, 0,
1535 1, 1, 1
1536 },
1537 {
1538 MESA_FORMAT_SIGNED_A16,
1539 "MESA_FORMAT_SIGNED_A16",
1540 GL_ALPHA,
1541 GL_SIGNED_NORMALIZED,
1542 0, 0, 0, 16,
1543 0, 0, 0, 0, 0,
1544 1, 1, 2
1545 },
1546 {
1547 MESA_FORMAT_SIGNED_L16,
1548 "MESA_FORMAT_SIGNED_L16",
1549 GL_LUMINANCE,
1550 GL_SIGNED_NORMALIZED,
1551 0, 0, 0, 0,
1552 16, 0, 0, 0, 0,
1553 1, 1, 2
1554 },
1555 {
1556 MESA_FORMAT_SIGNED_AL1616,
1557 "MESA_FORMAT_SIGNED_AL1616",
1558 GL_LUMINANCE_ALPHA,
1559 GL_SIGNED_NORMALIZED,
1560 0, 0, 0, 16,
1561 16, 0, 0, 0, 0,
1562 1, 1, 4
1563 },
1564 {
1565 MESA_FORMAT_SIGNED_I16,
1566 "MESA_FORMAT_SIGNED_I16",
1567 GL_INTENSITY,
1568 GL_SIGNED_NORMALIZED,
1569 0, 0, 0, 0,
1570 0, 16, 0, 0, 0,
1571 1, 1, 2
1572 },
1573 {
1574 MESA_FORMAT_RGB9_E5_FLOAT,
1575 "MESA_FORMAT_RGB9_E5",
1576 GL_RGB,
1577 GL_FLOAT,
1578 9, 9, 9, 0,
1579 0, 0, 0, 0, 0,
1580 1, 1, 4
1581 },
1582 {
1583 MESA_FORMAT_R11_G11_B10_FLOAT,
1584 "MESA_FORMAT_R11_G11_B10_FLOAT",
1585 GL_RGB,
1586 GL_FLOAT,
1587 11, 11, 10, 0,
1588 0, 0, 0, 0, 0,
1589 1, 1, 4
1590 },
1591 /* ARB_depth_buffer_float */
1592 {
1593 MESA_FORMAT_Z32_FLOAT, /* Name */
1594 "MESA_FORMAT_Z32_FLOAT", /* StrName */
1595 GL_DEPTH_COMPONENT, /* BaseFormat */
1596 GL_FLOAT, /* DataType */
1597 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1598 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
1599 1, 1, 4 /* BlockWidth/Height,Bytes */
1600 },
1601 {
1602 MESA_FORMAT_Z32_FLOAT_X24S8, /* Name */
1603 "MESA_FORMAT_Z32_FLOAT_X24S8", /* StrName */
1604 GL_DEPTH_STENCIL, /* BaseFormat */
1605 /* DataType here is used to answer GL_TEXTURE_DEPTH_TYPE queries, and is
1606 * never used for stencil because stencil is always GL_UNSIGNED_INT.
1607 */
1608 GL_FLOAT, /* DataType */
1609 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1610 0, 0, 0, 32, 8, /* Lum/Int/Index/Depth/StencilBits */
1611 1, 1, 8 /* BlockWidth/Height,Bytes */
1612 },
1613 {
1614 MESA_FORMAT_ARGB2101010_UINT,
1615 "MESA_FORMAT_ARGB2101010_UINT",
1616 GL_RGBA,
1617 GL_UNSIGNED_INT,
1618 10, 10, 10, 2,
1619 0, 0, 0, 0, 0,
1620 1, 1, 4
1621 },
1622 {
1623 MESA_FORMAT_ABGR2101010_UINT,
1624 "MESA_FORMAT_ABGR2101010_UINT",
1625 GL_RGBA,
1626 GL_UNSIGNED_INT,
1627 10, 10, 10, 2,
1628 0, 0, 0, 0, 0,
1629 1, 1, 4
1630 },
1631 {
1632 MESA_FORMAT_XRGB4444_UNORM,
1633 "MESA_FORMAT_XRGB4444_UNORM",
1634 GL_RGB,
1635 GL_UNSIGNED_NORMALIZED,
1636 4, 4, 4, 0,
1637 0, 0, 0, 0, 0,
1638 1, 1, 2
1639 },
1640 {
1641 MESA_FORMAT_XRGB1555_UNORM,
1642 "MESA_FORMAT_XRGB1555_UNORM",
1643 GL_RGB,
1644 GL_UNSIGNED_NORMALIZED,
1645 5, 5, 5, 0,
1646 0, 0, 0, 0, 0,
1647 1, 1, 2
1648 },
1649 {
1650 MESA_FORMAT_XBGR8888_SNORM,
1651 "MESA_FORMAT_XBGR8888_SNORM",
1652 GL_RGB,
1653 GL_SIGNED_NORMALIZED,
1654 8, 8, 8, 0,
1655 0, 0, 0, 0, 0,
1656 1, 1, 4
1657 },
1658 {
1659 MESA_FORMAT_XBGR8888_SRGB,
1660 "MESA_FORMAT_XBGR8888_SRGB",
1661 GL_RGB,
1662 GL_UNSIGNED_NORMALIZED,
1663 8, 8, 8, 0,
1664 0, 0, 0, 0, 0,
1665 1, 1, 4
1666 },
1667 {
1668 MESA_FORMAT_XBGR8888_UINT,
1669 "MESA_FORMAT_XBGR8888_UINT",
1670 GL_RGB,
1671 GL_UNSIGNED_INT,
1672 8, 8, 8, 0,
1673 0, 0, 0, 0, 0,
1674 1, 1, 4
1675 },
1676 {
1677 MESA_FORMAT_XBGR8888_SINT,
1678 "MESA_FORMAT_XBGR8888_SINT",
1679 GL_RGB,
1680 GL_INT,
1681 8, 8, 8, 0,
1682 0, 0, 0, 0, 0,
1683 1, 1, 4
1684 },
1685 {
1686 MESA_FORMAT_XRGB2101010_UNORM,
1687 "MESA_FORMAT_XRGB2101010_UNORM",
1688 GL_RGB,
1689 GL_UNSIGNED_NORMALIZED,
1690 10, 10, 10, 0,
1691 0, 0, 0, 0, 0,
1692 1, 1, 4
1693 },
1694 {
1695 MESA_FORMAT_XBGR16161616_UNORM,
1696 "MESA_FORMAT_XBGR16161616_UNORM",
1697 GL_RGB,
1698 GL_UNSIGNED_NORMALIZED,
1699 16, 16, 16, 0,
1700 0, 0, 0, 0, 0,
1701 1, 1, 8
1702 },
1703 {
1704 MESA_FORMAT_XBGR16161616_SNORM,
1705 "MESA_FORMAT_XBGR16161616_SNORM",
1706 GL_RGB,
1707 GL_SIGNED_NORMALIZED,
1708 16, 16, 16, 0,
1709 0, 0, 0, 0, 0,
1710 1, 1, 8
1711 },
1712 {
1713 MESA_FORMAT_XBGR16161616_FLOAT,
1714 "MESA_FORMAT_XBGR16161616_FLOAT",
1715 GL_RGB,
1716 GL_FLOAT,
1717 16, 16, 16, 0,
1718 0, 0, 0, 0, 0,
1719 1, 1, 8
1720 },
1721 {
1722 MESA_FORMAT_XBGR16161616_UINT,
1723 "MESA_FORMAT_XBGR16161616_UINT",
1724 GL_RGB,
1725 GL_UNSIGNED_INT,
1726 16, 16, 16, 0,
1727 0, 0, 0, 0, 0,
1728 1, 1, 8
1729 },
1730 {
1731 MESA_FORMAT_XBGR16161616_SINT,
1732 "MESA_FORMAT_XBGR16161616_SINT",
1733 GL_RGB,
1734 GL_INT,
1735 16, 16, 16, 0,
1736 0, 0, 0, 0, 0,
1737 1, 1, 8
1738 },
1739 {
1740 MESA_FORMAT_XBGR32323232_FLOAT,
1741 "MESA_FORMAT_XBGR32323232_FLOAT",
1742 GL_RGB,
1743 GL_FLOAT,
1744 32, 32, 32, 0,
1745 0, 0, 0, 0, 0,
1746 1, 1, 16
1747 },
1748 {
1749 MESA_FORMAT_XBGR32323232_UINT,
1750 "MESA_FORMAT_XBGR32323232_UINT",
1751 GL_RGB,
1752 GL_UNSIGNED_INT,
1753 32, 32, 32, 0,
1754 0, 0, 0, 0, 0,
1755 1, 1, 16
1756 },
1757 {
1758 MESA_FORMAT_XBGR32323232_SINT,
1759 "MESA_FORMAT_XBGR32323232_SINT",
1760 GL_RGB,
1761 GL_INT,
1762 32, 32, 32, 0,
1763 0, 0, 0, 0, 0,
1764 1, 1, 16
1765 },
1766 };
1767
1768
1769
1770 static const struct gl_format_info *
1771 _mesa_get_format_info(gl_format format)
1772 {
1773 const struct gl_format_info *info = &format_info[format];
1774 assert(info->Name == format);
1775 return info;
1776 }
1777
1778
1779 /** Return string name of format (for debugging) */
1780 const char *
1781 _mesa_get_format_name(gl_format format)
1782 {
1783 const struct gl_format_info *info = _mesa_get_format_info(format);
1784 return info->StrName;
1785 }
1786
1787
1788
1789 /**
1790 * Return bytes needed to store a block of pixels in the given format.
1791 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1792 * a block may be 4x4 or 8x4, etc.
1793 *
1794 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1795 */
1796 GLint
1797 _mesa_get_format_bytes(gl_format format)
1798 {
1799 const struct gl_format_info *info = _mesa_get_format_info(format);
1800 ASSERT(info->BytesPerBlock);
1801 ASSERT(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
1802 _mesa_is_format_compressed(format));
1803 return info->BytesPerBlock;
1804 }
1805
1806
1807 /**
1808 * Return bits per component for the given format.
1809 * \param format one of MESA_FORMAT_x
1810 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1811 */
1812 GLint
1813 _mesa_get_format_bits(gl_format format, GLenum pname)
1814 {
1815 const struct gl_format_info *info = _mesa_get_format_info(format);
1816
1817 switch (pname) {
1818 case GL_RED_BITS:
1819 case GL_TEXTURE_RED_SIZE:
1820 case GL_RENDERBUFFER_RED_SIZE_EXT:
1821 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
1822 return info->RedBits;
1823 case GL_GREEN_BITS:
1824 case GL_TEXTURE_GREEN_SIZE:
1825 case GL_RENDERBUFFER_GREEN_SIZE_EXT:
1826 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
1827 return info->GreenBits;
1828 case GL_BLUE_BITS:
1829 case GL_TEXTURE_BLUE_SIZE:
1830 case GL_RENDERBUFFER_BLUE_SIZE_EXT:
1831 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
1832 return info->BlueBits;
1833 case GL_ALPHA_BITS:
1834 case GL_TEXTURE_ALPHA_SIZE:
1835 case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
1836 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
1837 return info->AlphaBits;
1838 case GL_TEXTURE_INTENSITY_SIZE:
1839 return info->IntensityBits;
1840 case GL_TEXTURE_LUMINANCE_SIZE:
1841 return info->LuminanceBits;
1842 case GL_INDEX_BITS:
1843 return info->IndexBits;
1844 case GL_DEPTH_BITS:
1845 case GL_TEXTURE_DEPTH_SIZE_ARB:
1846 case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
1847 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
1848 return info->DepthBits;
1849 case GL_STENCIL_BITS:
1850 case GL_TEXTURE_STENCIL_SIZE_EXT:
1851 case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
1852 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
1853 return info->StencilBits;
1854 default:
1855 _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
1856 return 0;
1857 }
1858 }
1859
1860
1861 GLuint
1862 _mesa_get_format_max_bits(gl_format format)
1863 {
1864 const struct gl_format_info *info = _mesa_get_format_info(format);
1865 GLuint max = MAX2(info->RedBits, info->GreenBits);
1866 max = MAX2(max, info->BlueBits);
1867 max = MAX2(max, info->AlphaBits);
1868 max = MAX2(max, info->LuminanceBits);
1869 max = MAX2(max, info->IntensityBits);
1870 max = MAX2(max, info->DepthBits);
1871 max = MAX2(max, info->StencilBits);
1872 return max;
1873 }
1874
1875
1876 /**
1877 * Return the data type (or more specifically, the data representation)
1878 * for the given format.
1879 * The return value will be one of:
1880 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1881 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1882 * GL_UNSIGNED_INT = an ordinary unsigned integer
1883 * GL_INT = an ordinary signed integer
1884 * GL_FLOAT = an ordinary float
1885 */
1886 GLenum
1887 _mesa_get_format_datatype(gl_format format)
1888 {
1889 const struct gl_format_info *info = _mesa_get_format_info(format);
1890 return info->DataType;
1891 }
1892
1893
1894 /**
1895 * Return the basic format for the given type. The result will be one of
1896 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1897 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1898 */
1899 GLenum
1900 _mesa_get_format_base_format(gl_format format)
1901 {
1902 const struct gl_format_info *info = _mesa_get_format_info(format);
1903 return info->BaseFormat;
1904 }
1905
1906
1907 /**
1908 * Return the block size (in pixels) for the given format. Normally
1909 * the block size is 1x1. But compressed formats will have block sizes
1910 * of 4x4 or 8x4 pixels, etc.
1911 * \param bw returns block width in pixels
1912 * \param bh returns block height in pixels
1913 */
1914 void
1915 _mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
1916 {
1917 const struct gl_format_info *info = _mesa_get_format_info(format);
1918 *bw = info->BlockWidth;
1919 *bh = info->BlockHeight;
1920 }
1921
1922
1923 /** Is the given format a compressed format? */
1924 GLboolean
1925 _mesa_is_format_compressed(gl_format format)
1926 {
1927 const struct gl_format_info *info = _mesa_get_format_info(format);
1928 return info->BlockWidth > 1 || info->BlockHeight > 1;
1929 }
1930
1931
1932 /**
1933 * Determine if the given format represents a packed depth/stencil buffer.
1934 */
1935 GLboolean
1936 _mesa_is_format_packed_depth_stencil(gl_format format)
1937 {
1938 const struct gl_format_info *info = _mesa_get_format_info(format);
1939
1940 return info->BaseFormat == GL_DEPTH_STENCIL;
1941 }
1942
1943
1944 /**
1945 * Is the given format a signed/unsigned integer color format?
1946 */
1947 GLboolean
1948 _mesa_is_format_integer_color(gl_format format)
1949 {
1950 const struct gl_format_info *info = _mesa_get_format_info(format);
1951 return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
1952 info->BaseFormat != GL_DEPTH_COMPONENT &&
1953 info->BaseFormat != GL_DEPTH_STENCIL &&
1954 info->BaseFormat != GL_STENCIL_INDEX;
1955 }
1956
1957
1958 /**
1959 * Is the given format an unsigned integer format?
1960 */
1961 GLboolean
1962 _mesa_is_format_unsigned(gl_format format)
1963 {
1964 const struct gl_format_info *info = _mesa_get_format_info(format);
1965 return _mesa_is_type_unsigned(info->DataType);
1966 }
1967
1968
1969 /**
1970 * Does the given format store signed values?
1971 */
1972 GLboolean
1973 _mesa_is_format_signed(gl_format format)
1974 {
1975 if (format == MESA_FORMAT_R11_G11_B10_FLOAT) {
1976 /* this packed float format only stores unsigned values */
1977 return GL_FALSE;
1978 }
1979 else {
1980 const struct gl_format_info *info = _mesa_get_format_info(format);
1981 return (info->DataType == GL_SIGNED_NORMALIZED ||
1982 info->DataType == GL_INT ||
1983 info->DataType == GL_FLOAT);
1984 }
1985 }
1986
1987
1988 /**
1989 * Return color encoding for given format.
1990 * \return GL_LINEAR or GL_SRGB
1991 */
1992 GLenum
1993 _mesa_get_format_color_encoding(gl_format format)
1994 {
1995 /* XXX this info should be encoded in gl_format_info */
1996 switch (format) {
1997 case MESA_FORMAT_SRGB8:
1998 case MESA_FORMAT_SRGBA8:
1999 case MESA_FORMAT_SARGB8:
2000 case MESA_FORMAT_SL8:
2001 case MESA_FORMAT_SLA8:
2002 case MESA_FORMAT_SRGB_DXT1:
2003 case MESA_FORMAT_SRGBA_DXT1:
2004 case MESA_FORMAT_SRGBA_DXT3:
2005 case MESA_FORMAT_SRGBA_DXT5:
2006 case MESA_FORMAT_XBGR8888_SRGB:
2007 return GL_SRGB;
2008 default:
2009 return GL_LINEAR;
2010 }
2011 }
2012
2013
2014 /**
2015 * For an sRGB format, return the corresponding linear color space format.
2016 * For non-sRGB formats, return the format as-is.
2017 */
2018 gl_format
2019 _mesa_get_srgb_format_linear(gl_format format)
2020 {
2021 switch (format) {
2022 case MESA_FORMAT_SRGB8:
2023 format = MESA_FORMAT_RGB888;
2024 break;
2025 case MESA_FORMAT_SRGBA8:
2026 format = MESA_FORMAT_RGBA8888;
2027 break;
2028 case MESA_FORMAT_SARGB8:
2029 format = MESA_FORMAT_ARGB8888;
2030 break;
2031 case MESA_FORMAT_SL8:
2032 format = MESA_FORMAT_L8;
2033 break;
2034 case MESA_FORMAT_SLA8:
2035 format = MESA_FORMAT_AL88;
2036 break;
2037 case MESA_FORMAT_SRGB_DXT1:
2038 format = MESA_FORMAT_RGB_DXT1;
2039 break;
2040 case MESA_FORMAT_SRGBA_DXT1:
2041 format = MESA_FORMAT_RGBA_DXT1;
2042 break;
2043 case MESA_FORMAT_SRGBA_DXT3:
2044 format = MESA_FORMAT_RGBA_DXT3;
2045 break;
2046 case MESA_FORMAT_SRGBA_DXT5:
2047 format = MESA_FORMAT_RGBA_DXT5;
2048 break;
2049 case MESA_FORMAT_XBGR8888_SRGB:
2050 format = MESA_FORMAT_RGBX8888_REV;
2051 break;
2052 default:
2053 break;
2054 }
2055 return format;
2056 }
2057
2058
2059 /**
2060 * If the given format is a compressed format, return a corresponding
2061 * uncompressed format.
2062 */
2063 gl_format
2064 _mesa_get_uncompressed_format(gl_format format)
2065 {
2066 switch (format) {
2067 case MESA_FORMAT_RGB_FXT1:
2068 return MESA_FORMAT_RGB888;
2069 case MESA_FORMAT_RGBA_FXT1:
2070 return MESA_FORMAT_RGBA8888;
2071 case MESA_FORMAT_RGB_DXT1:
2072 case MESA_FORMAT_SRGB_DXT1:
2073 return MESA_FORMAT_RGB888;
2074 case MESA_FORMAT_RGBA_DXT1:
2075 case MESA_FORMAT_SRGBA_DXT1:
2076 return MESA_FORMAT_RGBA8888;
2077 case MESA_FORMAT_RGBA_DXT3:
2078 case MESA_FORMAT_SRGBA_DXT3:
2079 return MESA_FORMAT_RGBA8888;
2080 case MESA_FORMAT_RGBA_DXT5:
2081 case MESA_FORMAT_SRGBA_DXT5:
2082 return MESA_FORMAT_RGBA8888;
2083 case MESA_FORMAT_RED_RGTC1:
2084 return MESA_FORMAT_R8;
2085 case MESA_FORMAT_SIGNED_RED_RGTC1:
2086 return MESA_FORMAT_SIGNED_R8;
2087 case MESA_FORMAT_RG_RGTC2:
2088 return MESA_FORMAT_GR88;
2089 case MESA_FORMAT_SIGNED_RG_RGTC2:
2090 return MESA_FORMAT_SIGNED_RG88_REV;
2091 case MESA_FORMAT_L_LATC1:
2092 return MESA_FORMAT_L8;
2093 case MESA_FORMAT_SIGNED_L_LATC1:
2094 return MESA_FORMAT_SIGNED_L8;
2095 case MESA_FORMAT_LA_LATC2:
2096 return MESA_FORMAT_AL88;
2097 case MESA_FORMAT_SIGNED_LA_LATC2:
2098 return MESA_FORMAT_SIGNED_AL88;
2099 case MESA_FORMAT_ETC1_RGB8:
2100 case MESA_FORMAT_ETC2_RGB8:
2101 case MESA_FORMAT_ETC2_SRGB8:
2102 return MESA_FORMAT_RGB888;
2103 case MESA_FORMAT_ETC2_RGBA8_EAC:
2104 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2105 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2106 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2107 return MESA_FORMAT_RGBA8888;
2108 case MESA_FORMAT_ETC2_R11_EAC:
2109 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2110 return MESA_FORMAT_R16;
2111 case MESA_FORMAT_ETC2_RG11_EAC:
2112 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2113 return MESA_FORMAT_GR1616;
2114 default:
2115 #ifdef DEBUG
2116 assert(!_mesa_is_format_compressed(format));
2117 #endif
2118 return format;
2119 }
2120 }
2121
2122
2123 GLuint
2124 _mesa_format_num_components(gl_format format)
2125 {
2126 const struct gl_format_info *info = _mesa_get_format_info(format);
2127 return ((info->RedBits > 0) +
2128 (info->GreenBits > 0) +
2129 (info->BlueBits > 0) +
2130 (info->AlphaBits > 0) +
2131 (info->LuminanceBits > 0) +
2132 (info->IntensityBits > 0) +
2133 (info->DepthBits > 0) +
2134 (info->StencilBits > 0));
2135 }
2136
2137
2138 /**
2139 * Return number of bytes needed to store an image of the given size
2140 * in the given format.
2141 */
2142 GLuint
2143 _mesa_format_image_size(gl_format format, GLsizei width,
2144 GLsizei height, GLsizei depth)
2145 {
2146 const struct gl_format_info *info = _mesa_get_format_info(format);
2147 /* Strictly speaking, a conditional isn't needed here */
2148 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2149 /* compressed format (2D only for now) */
2150 const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
2151 const GLuint wblocks = (width + bw - 1) / bw;
2152 const GLuint hblocks = (height + bh - 1) / bh;
2153 const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
2154 return sz * depth;
2155 }
2156 else {
2157 /* non-compressed */
2158 const GLuint sz = width * height * depth * info->BytesPerBlock;
2159 return sz;
2160 }
2161 }
2162
2163
2164 /**
2165 * Same as _mesa_format_image_size() but returns a 64-bit value to
2166 * accomodate very large textures.
2167 */
2168 uint64_t
2169 _mesa_format_image_size64(gl_format format, GLsizei width,
2170 GLsizei height, GLsizei depth)
2171 {
2172 const struct gl_format_info *info = _mesa_get_format_info(format);
2173 /* Strictly speaking, a conditional isn't needed here */
2174 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2175 /* compressed format (2D only for now) */
2176 const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
2177 const uint64_t wblocks = (width + bw - 1) / bw;
2178 const uint64_t hblocks = (height + bh - 1) / bh;
2179 const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
2180 return sz * depth;
2181 }
2182 else {
2183 /* non-compressed */
2184 const uint64_t sz = ((uint64_t) width *
2185 (uint64_t) height *
2186 (uint64_t) depth *
2187 info->BytesPerBlock);
2188 return sz;
2189 }
2190 }
2191
2192
2193
2194 GLint
2195 _mesa_format_row_stride(gl_format format, GLsizei width)
2196 {
2197 const struct gl_format_info *info = _mesa_get_format_info(format);
2198 /* Strictly speaking, a conditional isn't needed here */
2199 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2200 /* compressed format */
2201 const GLuint bw = info->BlockWidth;
2202 const GLuint wblocks = (width + bw - 1) / bw;
2203 const GLint stride = wblocks * info->BytesPerBlock;
2204 return stride;
2205 }
2206 else {
2207 const GLint stride = width * info->BytesPerBlock;
2208 return stride;
2209 }
2210 }
2211
2212
2213 /**
2214 * Debug/test: check that all formats are handled in the
2215 * _mesa_format_to_type_and_comps() function. When new pixel formats
2216 * are added to Mesa, that function needs to be updated.
2217 * This is a no-op after the first call.
2218 */
2219 static void
2220 check_format_to_type_and_comps(void)
2221 {
2222 gl_format f;
2223
2224 for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
2225 GLenum datatype = 0;
2226 GLuint comps = 0;
2227 /* This function will emit a problem/warning if the format is
2228 * not handled.
2229 */
2230 _mesa_format_to_type_and_comps(f, &datatype, &comps);
2231 }
2232 }
2233
2234
2235 /**
2236 * Do sanity checking of the format info table.
2237 */
2238 void
2239 _mesa_test_formats(void)
2240 {
2241 GLuint i;
2242
2243 STATIC_ASSERT(Elements(format_info) == MESA_FORMAT_COUNT);
2244
2245 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
2246 const struct gl_format_info *info = _mesa_get_format_info(i);
2247 assert(info);
2248
2249 assert(info->Name == i);
2250
2251 if (info->Name == MESA_FORMAT_NONE)
2252 continue;
2253
2254 if (info->BlockWidth == 1 && info->BlockHeight == 1) {
2255 if (info->RedBits > 0) {
2256 GLuint t = info->RedBits + info->GreenBits
2257 + info->BlueBits + info->AlphaBits;
2258 assert(t / 8 <= info->BytesPerBlock);
2259 (void) t;
2260 }
2261 }
2262
2263 assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
2264 info->DataType == GL_SIGNED_NORMALIZED ||
2265 info->DataType == GL_UNSIGNED_INT ||
2266 info->DataType == GL_INT ||
2267 info->DataType == GL_FLOAT ||
2268 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2269 info->DataType == GL_NONE);
2270
2271 if (info->BaseFormat == GL_RGB) {
2272 assert(info->RedBits > 0);
2273 assert(info->GreenBits > 0);
2274 assert(info->BlueBits > 0);
2275 assert(info->AlphaBits == 0);
2276 assert(info->LuminanceBits == 0);
2277 assert(info->IntensityBits == 0);
2278 }
2279 else if (info->BaseFormat == GL_RGBA) {
2280 assert(info->RedBits > 0);
2281 assert(info->GreenBits > 0);
2282 assert(info->BlueBits > 0);
2283 assert(info->AlphaBits > 0);
2284 assert(info->LuminanceBits == 0);
2285 assert(info->IntensityBits == 0);
2286 }
2287 else if (info->BaseFormat == GL_RG) {
2288 assert(info->RedBits > 0);
2289 assert(info->GreenBits > 0);
2290 assert(info->BlueBits == 0);
2291 assert(info->AlphaBits == 0);
2292 assert(info->LuminanceBits == 0);
2293 assert(info->IntensityBits == 0);
2294 }
2295 else if (info->BaseFormat == GL_RED) {
2296 assert(info->RedBits > 0);
2297 assert(info->GreenBits == 0);
2298 assert(info->BlueBits == 0);
2299 assert(info->AlphaBits == 0);
2300 assert(info->LuminanceBits == 0);
2301 assert(info->IntensityBits == 0);
2302 }
2303 else if (info->BaseFormat == GL_LUMINANCE) {
2304 assert(info->RedBits == 0);
2305 assert(info->GreenBits == 0);
2306 assert(info->BlueBits == 0);
2307 assert(info->AlphaBits == 0);
2308 assert(info->LuminanceBits > 0);
2309 assert(info->IntensityBits == 0);
2310 }
2311 else if (info->BaseFormat == GL_INTENSITY) {
2312 assert(info->RedBits == 0);
2313 assert(info->GreenBits == 0);
2314 assert(info->BlueBits == 0);
2315 assert(info->AlphaBits == 0);
2316 assert(info->LuminanceBits == 0);
2317 assert(info->IntensityBits > 0);
2318 }
2319 }
2320
2321 check_format_to_type_and_comps();
2322 }
2323
2324
2325
2326 /**
2327 * Return datatype and number of components per texel for the given gl_format.
2328 * Only used for mipmap generation code.
2329 */
2330 void
2331 _mesa_format_to_type_and_comps(gl_format format,
2332 GLenum *datatype, GLuint *comps)
2333 {
2334 switch (format) {
2335 case MESA_FORMAT_RGBA8888:
2336 case MESA_FORMAT_RGBA8888_REV:
2337 case MESA_FORMAT_ARGB8888:
2338 case MESA_FORMAT_ARGB8888_REV:
2339 case MESA_FORMAT_RGBX8888:
2340 case MESA_FORMAT_RGBX8888_REV:
2341 case MESA_FORMAT_XRGB8888:
2342 case MESA_FORMAT_XRGB8888_REV:
2343 *datatype = GL_UNSIGNED_BYTE;
2344 *comps = 4;
2345 return;
2346 case MESA_FORMAT_RGB888:
2347 case MESA_FORMAT_BGR888:
2348 *datatype = GL_UNSIGNED_BYTE;
2349 *comps = 3;
2350 return;
2351 case MESA_FORMAT_RGB565:
2352 case MESA_FORMAT_RGB565_REV:
2353 *datatype = GL_UNSIGNED_SHORT_5_6_5;
2354 *comps = 3;
2355 return;
2356
2357 case MESA_FORMAT_ARGB4444:
2358 case MESA_FORMAT_ARGB4444_REV:
2359 case MESA_FORMAT_XRGB4444_UNORM:
2360 *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
2361 *comps = 4;
2362 return;
2363
2364 case MESA_FORMAT_ARGB1555:
2365 case MESA_FORMAT_ARGB1555_REV:
2366 case MESA_FORMAT_XRGB1555_UNORM:
2367 *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
2368 *comps = 4;
2369 return;
2370
2371 case MESA_FORMAT_ARGB2101010:
2372 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2373 *comps = 4;
2374 return;
2375
2376 case MESA_FORMAT_RGBA5551:
2377 *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
2378 *comps = 4;
2379 return;
2380
2381 case MESA_FORMAT_AL44:
2382 *datatype = MESA_UNSIGNED_BYTE_4_4;
2383 *comps = 2;
2384 return;
2385
2386 case MESA_FORMAT_AL88:
2387 case MESA_FORMAT_AL88_REV:
2388 case MESA_FORMAT_GR88:
2389 case MESA_FORMAT_RG88:
2390 *datatype = GL_UNSIGNED_BYTE;
2391 *comps = 2;
2392 return;
2393
2394 case MESA_FORMAT_AL1616:
2395 case MESA_FORMAT_AL1616_REV:
2396 case MESA_FORMAT_GR1616:
2397 case MESA_FORMAT_RG1616:
2398 *datatype = GL_UNSIGNED_SHORT;
2399 *comps = 2;
2400 return;
2401
2402 case MESA_FORMAT_R16:
2403 case MESA_FORMAT_A16:
2404 case MESA_FORMAT_L16:
2405 case MESA_FORMAT_I16:
2406 *datatype = GL_UNSIGNED_SHORT;
2407 *comps = 1;
2408 return;
2409
2410 case MESA_FORMAT_RGB332:
2411 *datatype = GL_UNSIGNED_BYTE_3_3_2;
2412 *comps = 3;
2413 return;
2414
2415 case MESA_FORMAT_A8:
2416 case MESA_FORMAT_L8:
2417 case MESA_FORMAT_I8:
2418 case MESA_FORMAT_R8:
2419 case MESA_FORMAT_S8:
2420 *datatype = GL_UNSIGNED_BYTE;
2421 *comps = 1;
2422 return;
2423
2424 case MESA_FORMAT_YCBCR:
2425 case MESA_FORMAT_YCBCR_REV:
2426 *datatype = GL_UNSIGNED_SHORT;
2427 *comps = 2;
2428 return;
2429
2430 case MESA_FORMAT_Z24_S8:
2431 *datatype = GL_UNSIGNED_INT_24_8_MESA;
2432 *comps = 2;
2433 return;
2434
2435 case MESA_FORMAT_S8_Z24:
2436 *datatype = GL_UNSIGNED_INT_8_24_REV_MESA;
2437 *comps = 2;
2438 return;
2439
2440 case MESA_FORMAT_Z16:
2441 *datatype = GL_UNSIGNED_SHORT;
2442 *comps = 1;
2443 return;
2444
2445 case MESA_FORMAT_X8_Z24:
2446 *datatype = GL_UNSIGNED_INT;
2447 *comps = 1;
2448 return;
2449
2450 case MESA_FORMAT_Z24_X8:
2451 *datatype = GL_UNSIGNED_INT;
2452 *comps = 1;
2453 return;
2454
2455 case MESA_FORMAT_Z32:
2456 *datatype = GL_UNSIGNED_INT;
2457 *comps = 1;
2458 return;
2459
2460 case MESA_FORMAT_Z32_FLOAT:
2461 *datatype = GL_FLOAT;
2462 *comps = 1;
2463 return;
2464
2465 case MESA_FORMAT_Z32_FLOAT_X24S8:
2466 *datatype = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
2467 *comps = 1;
2468 return;
2469
2470 case MESA_FORMAT_DUDV8:
2471 *datatype = GL_BYTE;
2472 *comps = 2;
2473 return;
2474
2475 case MESA_FORMAT_SIGNED_R8:
2476 case MESA_FORMAT_SIGNED_A8:
2477 case MESA_FORMAT_SIGNED_L8:
2478 case MESA_FORMAT_SIGNED_I8:
2479 *datatype = GL_BYTE;
2480 *comps = 1;
2481 return;
2482 case MESA_FORMAT_SIGNED_RG88_REV:
2483 case MESA_FORMAT_SIGNED_AL88:
2484 *datatype = GL_BYTE;
2485 *comps = 2;
2486 return;
2487 case MESA_FORMAT_SIGNED_RGBA8888:
2488 case MESA_FORMAT_SIGNED_RGBA8888_REV:
2489 case MESA_FORMAT_SIGNED_RGBX8888:
2490 *datatype = GL_BYTE;
2491 *comps = 4;
2492 return;
2493
2494 case MESA_FORMAT_RGBA_16:
2495 *datatype = GL_UNSIGNED_SHORT;
2496 *comps = 4;
2497 return;
2498
2499 case MESA_FORMAT_SIGNED_R16:
2500 case MESA_FORMAT_SIGNED_A16:
2501 case MESA_FORMAT_SIGNED_L16:
2502 case MESA_FORMAT_SIGNED_I16:
2503 *datatype = GL_SHORT;
2504 *comps = 1;
2505 return;
2506 case MESA_FORMAT_SIGNED_GR1616:
2507 case MESA_FORMAT_SIGNED_AL1616:
2508 *datatype = GL_SHORT;
2509 *comps = 2;
2510 return;
2511 case MESA_FORMAT_SIGNED_RGB_16:
2512 *datatype = GL_SHORT;
2513 *comps = 3;
2514 return;
2515 case MESA_FORMAT_SIGNED_RGBA_16:
2516 *datatype = GL_SHORT;
2517 *comps = 4;
2518 return;
2519
2520 case MESA_FORMAT_SRGB8:
2521 *datatype = GL_UNSIGNED_BYTE;
2522 *comps = 3;
2523 return;
2524 case MESA_FORMAT_SRGBA8:
2525 case MESA_FORMAT_SARGB8:
2526 *datatype = GL_UNSIGNED_BYTE;
2527 *comps = 4;
2528 return;
2529 case MESA_FORMAT_SL8:
2530 *datatype = GL_UNSIGNED_BYTE;
2531 *comps = 1;
2532 return;
2533 case MESA_FORMAT_SLA8:
2534 *datatype = GL_UNSIGNED_BYTE;
2535 *comps = 2;
2536 return;
2537
2538 case MESA_FORMAT_RGB_FXT1:
2539 case MESA_FORMAT_RGBA_FXT1:
2540 case MESA_FORMAT_RGB_DXT1:
2541 case MESA_FORMAT_RGBA_DXT1:
2542 case MESA_FORMAT_RGBA_DXT3:
2543 case MESA_FORMAT_RGBA_DXT5:
2544 case MESA_FORMAT_SRGB_DXT1:
2545 case MESA_FORMAT_SRGBA_DXT1:
2546 case MESA_FORMAT_SRGBA_DXT3:
2547 case MESA_FORMAT_SRGBA_DXT5:
2548 case MESA_FORMAT_RED_RGTC1:
2549 case MESA_FORMAT_SIGNED_RED_RGTC1:
2550 case MESA_FORMAT_RG_RGTC2:
2551 case MESA_FORMAT_SIGNED_RG_RGTC2:
2552 case MESA_FORMAT_L_LATC1:
2553 case MESA_FORMAT_SIGNED_L_LATC1:
2554 case MESA_FORMAT_LA_LATC2:
2555 case MESA_FORMAT_SIGNED_LA_LATC2:
2556 case MESA_FORMAT_ETC1_RGB8:
2557 case MESA_FORMAT_ETC2_RGB8:
2558 case MESA_FORMAT_ETC2_SRGB8:
2559 case MESA_FORMAT_ETC2_RGBA8_EAC:
2560 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2561 case MESA_FORMAT_ETC2_R11_EAC:
2562 case MESA_FORMAT_ETC2_RG11_EAC:
2563 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2564 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2565 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2566 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2567 /* XXX generate error instead? */
2568 *datatype = GL_UNSIGNED_BYTE;
2569 *comps = 0;
2570 return;
2571
2572 case MESA_FORMAT_RGBA_FLOAT32:
2573 *datatype = GL_FLOAT;
2574 *comps = 4;
2575 return;
2576 case MESA_FORMAT_RGBA_FLOAT16:
2577 *datatype = GL_HALF_FLOAT_ARB;
2578 *comps = 4;
2579 return;
2580 case MESA_FORMAT_RGB_FLOAT32:
2581 *datatype = GL_FLOAT;
2582 *comps = 3;
2583 return;
2584 case MESA_FORMAT_RGB_FLOAT16:
2585 *datatype = GL_HALF_FLOAT_ARB;
2586 *comps = 3;
2587 return;
2588 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
2589 case MESA_FORMAT_RG_FLOAT32:
2590 *datatype = GL_FLOAT;
2591 *comps = 2;
2592 return;
2593 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
2594 case MESA_FORMAT_RG_FLOAT16:
2595 *datatype = GL_HALF_FLOAT_ARB;
2596 *comps = 2;
2597 return;
2598 case MESA_FORMAT_ALPHA_FLOAT32:
2599 case MESA_FORMAT_LUMINANCE_FLOAT32:
2600 case MESA_FORMAT_INTENSITY_FLOAT32:
2601 case MESA_FORMAT_R_FLOAT32:
2602 *datatype = GL_FLOAT;
2603 *comps = 1;
2604 return;
2605 case MESA_FORMAT_ALPHA_FLOAT16:
2606 case MESA_FORMAT_LUMINANCE_FLOAT16:
2607 case MESA_FORMAT_INTENSITY_FLOAT16:
2608 case MESA_FORMAT_R_FLOAT16:
2609 *datatype = GL_HALF_FLOAT_ARB;
2610 *comps = 1;
2611 return;
2612
2613 case MESA_FORMAT_ALPHA_UINT8:
2614 case MESA_FORMAT_LUMINANCE_UINT8:
2615 case MESA_FORMAT_INTENSITY_UINT8:
2616 *datatype = GL_UNSIGNED_BYTE;
2617 *comps = 1;
2618 return;
2619 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
2620 *datatype = GL_UNSIGNED_BYTE;
2621 *comps = 2;
2622 return;
2623
2624 case MESA_FORMAT_ALPHA_UINT16:
2625 case MESA_FORMAT_LUMINANCE_UINT16:
2626 case MESA_FORMAT_INTENSITY_UINT16:
2627 *datatype = GL_UNSIGNED_SHORT;
2628 *comps = 1;
2629 return;
2630 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
2631 *datatype = GL_UNSIGNED_SHORT;
2632 *comps = 2;
2633 return;
2634 case MESA_FORMAT_ALPHA_UINT32:
2635 case MESA_FORMAT_LUMINANCE_UINT32:
2636 case MESA_FORMAT_INTENSITY_UINT32:
2637 *datatype = GL_UNSIGNED_INT;
2638 *comps = 1;
2639 return;
2640 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
2641 *datatype = GL_UNSIGNED_INT;
2642 *comps = 2;
2643 return;
2644 case MESA_FORMAT_ALPHA_INT8:
2645 case MESA_FORMAT_LUMINANCE_INT8:
2646 case MESA_FORMAT_INTENSITY_INT8:
2647 *datatype = GL_BYTE;
2648 *comps = 1;
2649 return;
2650 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
2651 *datatype = GL_BYTE;
2652 *comps = 2;
2653 return;
2654
2655 case MESA_FORMAT_ALPHA_INT16:
2656 case MESA_FORMAT_LUMINANCE_INT16:
2657 case MESA_FORMAT_INTENSITY_INT16:
2658 *datatype = GL_SHORT;
2659 *comps = 1;
2660 return;
2661 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
2662 *datatype = GL_SHORT;
2663 *comps = 2;
2664 return;
2665
2666 case MESA_FORMAT_ALPHA_INT32:
2667 case MESA_FORMAT_LUMINANCE_INT32:
2668 case MESA_FORMAT_INTENSITY_INT32:
2669 *datatype = GL_INT;
2670 *comps = 1;
2671 return;
2672 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
2673 *datatype = GL_INT;
2674 *comps = 2;
2675 return;
2676
2677 case MESA_FORMAT_R_INT8:
2678 *datatype = GL_BYTE;
2679 *comps = 1;
2680 return;
2681 case MESA_FORMAT_RG_INT8:
2682 *datatype = GL_BYTE;
2683 *comps = 2;
2684 return;
2685 case MESA_FORMAT_RGB_INT8:
2686 *datatype = GL_BYTE;
2687 *comps = 3;
2688 return;
2689 case MESA_FORMAT_RGBA_INT8:
2690 *datatype = GL_BYTE;
2691 *comps = 4;
2692 return;
2693 case MESA_FORMAT_R_INT16:
2694 *datatype = GL_SHORT;
2695 *comps = 1;
2696 return;
2697 case MESA_FORMAT_RG_INT16:
2698 *datatype = GL_SHORT;
2699 *comps = 2;
2700 return;
2701 case MESA_FORMAT_RGB_INT16:
2702 *datatype = GL_SHORT;
2703 *comps = 3;
2704 return;
2705 case MESA_FORMAT_RGBA_INT16:
2706 *datatype = GL_SHORT;
2707 *comps = 4;
2708 return;
2709 case MESA_FORMAT_R_INT32:
2710 *datatype = GL_INT;
2711 *comps = 1;
2712 return;
2713 case MESA_FORMAT_RG_INT32:
2714 *datatype = GL_INT;
2715 *comps = 2;
2716 return;
2717 case MESA_FORMAT_RGB_INT32:
2718 *datatype = GL_INT;
2719 *comps = 3;
2720 return;
2721 case MESA_FORMAT_RGBA_INT32:
2722 *datatype = GL_INT;
2723 *comps = 4;
2724 return;
2725
2726 /**
2727 * \name Non-normalized unsigned integer formats.
2728 */
2729 case MESA_FORMAT_R_UINT8:
2730 *datatype = GL_UNSIGNED_BYTE;
2731 *comps = 1;
2732 return;
2733 case MESA_FORMAT_RG_UINT8:
2734 *datatype = GL_UNSIGNED_BYTE;
2735 *comps = 2;
2736 return;
2737 case MESA_FORMAT_RGB_UINT8:
2738 *datatype = GL_UNSIGNED_BYTE;
2739 *comps = 3;
2740 return;
2741 case MESA_FORMAT_RGBA_UINT8:
2742 *datatype = GL_UNSIGNED_BYTE;
2743 *comps = 4;
2744 return;
2745 case MESA_FORMAT_R_UINT16:
2746 *datatype = GL_UNSIGNED_SHORT;
2747 *comps = 1;
2748 return;
2749 case MESA_FORMAT_RG_UINT16:
2750 *datatype = GL_UNSIGNED_SHORT;
2751 *comps = 2;
2752 return;
2753 case MESA_FORMAT_RGB_UINT16:
2754 *datatype = GL_UNSIGNED_SHORT;
2755 *comps = 3;
2756 return;
2757 case MESA_FORMAT_RGBA_UINT16:
2758 *datatype = GL_UNSIGNED_SHORT;
2759 *comps = 4;
2760 return;
2761 case MESA_FORMAT_R_UINT32:
2762 *datatype = GL_UNSIGNED_INT;
2763 *comps = 1;
2764 return;
2765 case MESA_FORMAT_RG_UINT32:
2766 *datatype = GL_UNSIGNED_INT;
2767 *comps = 2;
2768 return;
2769 case MESA_FORMAT_RGB_UINT32:
2770 *datatype = GL_UNSIGNED_INT;
2771 *comps = 3;
2772 return;
2773 case MESA_FORMAT_RGBA_UINT32:
2774 *datatype = GL_UNSIGNED_INT;
2775 *comps = 4;
2776 return;
2777
2778 case MESA_FORMAT_RGB9_E5_FLOAT:
2779 *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
2780 *comps = 3;
2781 return;
2782
2783 case MESA_FORMAT_R11_G11_B10_FLOAT:
2784 *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
2785 *comps = 3;
2786 return;
2787
2788 case MESA_FORMAT_ARGB2101010_UINT:
2789 case MESA_FORMAT_ABGR2101010_UINT:
2790 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2791 *comps = 4;
2792 return;
2793
2794 case MESA_FORMAT_XBGR8888_SRGB:
2795 case MESA_FORMAT_XBGR8888_UINT:
2796 *datatype = GL_UNSIGNED_BYTE;
2797 *comps = 4;
2798 return;
2799
2800 case MESA_FORMAT_XBGR8888_SNORM:
2801 case MESA_FORMAT_XBGR8888_SINT:
2802 *datatype = GL_BYTE;
2803 *comps = 4;
2804 return;
2805
2806 case MESA_FORMAT_XRGB2101010_UNORM:
2807 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2808 *comps = 4;
2809 return;
2810
2811 case MESA_FORMAT_XBGR16161616_UNORM:
2812 case MESA_FORMAT_XBGR16161616_UINT:
2813 *datatype = GL_UNSIGNED_SHORT;
2814 *comps = 4;
2815 return;
2816
2817 case MESA_FORMAT_XBGR16161616_SNORM:
2818 case MESA_FORMAT_XBGR16161616_SINT:
2819 *datatype = GL_SHORT;
2820 *comps = 4;
2821 return;
2822
2823 case MESA_FORMAT_XBGR16161616_FLOAT:
2824 *datatype = GL_HALF_FLOAT;
2825 *comps = 4;
2826 return;
2827
2828 case MESA_FORMAT_XBGR32323232_FLOAT:
2829 *datatype = GL_FLOAT;
2830 *comps = 4;
2831 return;
2832
2833 case MESA_FORMAT_XBGR32323232_UINT:
2834 *datatype = GL_UNSIGNED_INT;
2835 *comps = 4;
2836 return;
2837
2838 case MESA_FORMAT_XBGR32323232_SINT:
2839 *datatype = GL_INT;
2840 *comps = 4;
2841 return;
2842
2843 case MESA_FORMAT_COUNT:
2844 assert(0);
2845 return;
2846
2847 case MESA_FORMAT_NONE:
2848 /* For debug builds, warn if any formats are not handled */
2849 #ifdef DEBUG
2850 default:
2851 #endif
2852 _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
2853 _mesa_get_format_name(format));
2854 *datatype = 0;
2855 *comps = 1;
2856 }
2857 }
2858
2859 /**
2860 * Check if a gl_format exactly matches a GL format/type combination
2861 * such that we can use memcpy() from one to the other.
2862 * \param gl_format a MESA_FORMAT_x value
2863 * \param format the user-specified image format
2864 * \param type the user-specified image datatype
2865 * \param swapBytes typically the current pixel pack/unpack byteswap state
2866 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2867 */
2868 GLboolean
2869 _mesa_format_matches_format_and_type(gl_format gl_format,
2870 GLenum format, GLenum type,
2871 GLboolean swapBytes)
2872 {
2873 const GLboolean littleEndian = _mesa_little_endian();
2874
2875 /* Note: When reading a GL format/type combination, the format lists channel
2876 * assignments from most significant channel in the type to least
2877 * significant. A type with _REV indicates that the assignments are
2878 * swapped, so they are listed from least significant to most significant.
2879 *
2880 * For sanity, please keep this switch statement ordered the same as the
2881 * enums in formats.h.
2882 */
2883
2884 switch (gl_format) {
2885
2886 case MESA_FORMAT_NONE:
2887 case MESA_FORMAT_COUNT:
2888 return GL_FALSE;
2889
2890 case MESA_FORMAT_RGBA8888:
2891 case MESA_FORMAT_SRGBA8:
2892 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2893 return GL_TRUE;
2894
2895 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
2896 return GL_TRUE;
2897
2898 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && !littleEndian)
2899 return GL_TRUE;
2900
2901 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV
2902 && !swapBytes)
2903 return GL_TRUE;
2904
2905 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8
2906 && swapBytes)
2907 return GL_TRUE;
2908
2909 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && littleEndian)
2910 return GL_TRUE;
2911
2912 return GL_FALSE;
2913
2914 case MESA_FORMAT_RGBA8888_REV:
2915 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2916 !swapBytes)
2917 return GL_TRUE;
2918
2919 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2920 return GL_TRUE;
2921
2922 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && littleEndian)
2923 return GL_TRUE;
2924
2925 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8 &&
2926 !swapBytes)
2927 return GL_TRUE;
2928
2929 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2930 swapBytes)
2931 return GL_TRUE;
2932
2933 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && !littleEndian)
2934 return GL_TRUE;
2935
2936 return GL_FALSE;
2937
2938 case MESA_FORMAT_ARGB8888:
2939 case MESA_FORMAT_SARGB8:
2940 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2941 !swapBytes)
2942 return GL_TRUE;
2943
2944 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2945 return GL_TRUE;
2946
2947 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && littleEndian)
2948 return GL_TRUE;
2949
2950 return GL_FALSE;
2951
2952 case MESA_FORMAT_ARGB8888_REV:
2953 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2954 return GL_TRUE;
2955
2956 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2957 swapBytes)
2958 return GL_TRUE;
2959
2960 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && !littleEndian)
2961 return GL_TRUE;
2962
2963 return GL_FALSE;
2964
2965 case MESA_FORMAT_RGBX8888:
2966 case MESA_FORMAT_RGBX8888_REV:
2967 return GL_FALSE;
2968
2969 case MESA_FORMAT_XRGB8888:
2970 case MESA_FORMAT_XRGB8888_REV:
2971 return GL_FALSE;
2972
2973 case MESA_FORMAT_RGB888:
2974 case MESA_FORMAT_SRGB8:
2975 return format == GL_BGR && type == GL_UNSIGNED_BYTE && littleEndian;
2976
2977 case MESA_FORMAT_BGR888:
2978 return format == GL_RGB && type == GL_UNSIGNED_BYTE && littleEndian;
2979
2980 case MESA_FORMAT_RGB565:
2981 return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 && !swapBytes;
2982
2983 case MESA_FORMAT_RGB565_REV:
2984 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
2985 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
2986 * according to formats.h, so they can't be matched.
2987 */
2988 return GL_FALSE;
2989
2990 case MESA_FORMAT_ARGB4444:
2991 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
2992 !swapBytes;
2993
2994 case MESA_FORMAT_ARGB4444_REV:
2995 return GL_FALSE;
2996
2997 case MESA_FORMAT_RGBA5551:
2998 return format == GL_RGBA && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
2999 !swapBytes;
3000
3001 case MESA_FORMAT_ARGB1555:
3002 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
3003 !swapBytes;
3004
3005 case MESA_FORMAT_ARGB1555_REV:
3006 return GL_FALSE;
3007
3008 case MESA_FORMAT_AL44:
3009 return GL_FALSE;
3010 case MESA_FORMAT_AL88:
3011 case MESA_FORMAT_SLA8:
3012 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE && littleEndian;
3013 case MESA_FORMAT_AL88_REV:
3014 return GL_FALSE;
3015
3016 case MESA_FORMAT_AL1616:
3017 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_SHORT && littleEndian && !swapBytes;
3018 case MESA_FORMAT_AL1616_REV:
3019 return GL_FALSE;
3020
3021 case MESA_FORMAT_RGB332:
3022 return format == GL_RGB && type == GL_UNSIGNED_BYTE_3_3_2;
3023
3024 case MESA_FORMAT_A8:
3025 return format == GL_ALPHA && type == GL_UNSIGNED_BYTE;
3026 case MESA_FORMAT_A16:
3027 return format == GL_ALPHA && type == GL_UNSIGNED_SHORT && !swapBytes;
3028 case MESA_FORMAT_L8:
3029 case MESA_FORMAT_SL8:
3030 return format == GL_LUMINANCE && type == GL_UNSIGNED_BYTE;
3031 case MESA_FORMAT_L16:
3032 return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT && !swapBytes;
3033 case MESA_FORMAT_I8:
3034 return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
3035 case MESA_FORMAT_I16:
3036 return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT && !swapBytes;
3037
3038 case MESA_FORMAT_YCBCR:
3039 return format == GL_YCBCR_MESA &&
3040 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian != swapBytes) ||
3041 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian == swapBytes));
3042 case MESA_FORMAT_YCBCR_REV:
3043 return format == GL_YCBCR_MESA &&
3044 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian == swapBytes) ||
3045 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian != swapBytes));
3046
3047 case MESA_FORMAT_R8:
3048 return format == GL_RED && type == GL_UNSIGNED_BYTE;
3049 case MESA_FORMAT_GR88:
3050 return format == GL_RG && type == GL_UNSIGNED_BYTE && littleEndian;
3051 case MESA_FORMAT_RG88:
3052 return GL_FALSE;
3053
3054 case MESA_FORMAT_R16:
3055 return format == GL_RED && type == GL_UNSIGNED_SHORT &&
3056 !swapBytes;
3057 case MESA_FORMAT_GR1616:
3058 return format == GL_RG && type == GL_UNSIGNED_SHORT && littleEndian &&
3059 !swapBytes;
3060 case MESA_FORMAT_RG1616:
3061 return GL_FALSE;
3062
3063 case MESA_FORMAT_ARGB2101010:
3064 return format == GL_BGRA && type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3065 !swapBytes;
3066
3067 case MESA_FORMAT_Z24_S8:
3068 return format == GL_DEPTH_STENCIL && type == GL_UNSIGNED_INT_24_8 &&
3069 !swapBytes;
3070 case MESA_FORMAT_Z24_X8:
3071 case MESA_FORMAT_S8_Z24:
3072 return GL_FALSE;
3073
3074 case MESA_FORMAT_Z16:
3075 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_SHORT &&
3076 !swapBytes;
3077
3078 case MESA_FORMAT_X8_Z24:
3079 return GL_FALSE;
3080
3081 case MESA_FORMAT_Z32:
3082 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_INT &&
3083 !swapBytes;
3084
3085 case MESA_FORMAT_S8:
3086 return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
3087
3088 case MESA_FORMAT_SRGB_DXT1:
3089 case MESA_FORMAT_SRGBA_DXT1:
3090 case MESA_FORMAT_SRGBA_DXT3:
3091 case MESA_FORMAT_SRGBA_DXT5:
3092 return GL_FALSE;
3093
3094 case MESA_FORMAT_RGB_FXT1:
3095 case MESA_FORMAT_RGBA_FXT1:
3096 case MESA_FORMAT_RGB_DXT1:
3097 case MESA_FORMAT_RGBA_DXT1:
3098 case MESA_FORMAT_RGBA_DXT3:
3099 case MESA_FORMAT_RGBA_DXT5:
3100 return GL_FALSE;
3101
3102 case MESA_FORMAT_RGBA_FLOAT32:
3103 return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
3104 case MESA_FORMAT_RGBA_FLOAT16:
3105 return format == GL_RGBA && type == GL_HALF_FLOAT && !swapBytes;
3106
3107 case MESA_FORMAT_RGB_FLOAT32:
3108 return format == GL_RGB && type == GL_FLOAT && !swapBytes;
3109 case MESA_FORMAT_RGB_FLOAT16:
3110 return format == GL_RGB && type == GL_HALF_FLOAT && !swapBytes;
3111
3112 case MESA_FORMAT_ALPHA_FLOAT32:
3113 return format == GL_ALPHA && type == GL_FLOAT && !swapBytes;
3114 case MESA_FORMAT_ALPHA_FLOAT16:
3115 return format == GL_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3116
3117 case MESA_FORMAT_LUMINANCE_FLOAT32:
3118 return format == GL_LUMINANCE && type == GL_FLOAT && !swapBytes;
3119 case MESA_FORMAT_LUMINANCE_FLOAT16:
3120 return format == GL_LUMINANCE && type == GL_HALF_FLOAT && !swapBytes;
3121
3122 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
3123 return format == GL_LUMINANCE_ALPHA && type == GL_FLOAT && !swapBytes;
3124 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
3125 return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3126
3127 case MESA_FORMAT_INTENSITY_FLOAT32:
3128 return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
3129 case MESA_FORMAT_INTENSITY_FLOAT16:
3130 return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
3131
3132 case MESA_FORMAT_R_FLOAT32:
3133 return format == GL_RED && type == GL_FLOAT && !swapBytes;
3134 case MESA_FORMAT_R_FLOAT16:
3135 return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
3136
3137 case MESA_FORMAT_RG_FLOAT32:
3138 return format == GL_RG && type == GL_FLOAT && !swapBytes;
3139 case MESA_FORMAT_RG_FLOAT16:
3140 return format == GL_RG && type == GL_HALF_FLOAT && !swapBytes;
3141
3142 case MESA_FORMAT_ALPHA_UINT8:
3143 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_BYTE;
3144 case MESA_FORMAT_ALPHA_UINT16:
3145 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_SHORT &&
3146 !swapBytes;
3147 case MESA_FORMAT_ALPHA_UINT32:
3148 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_INT &&
3149 !swapBytes;
3150 case MESA_FORMAT_ALPHA_INT8:
3151 return format == GL_ALPHA_INTEGER && type == GL_BYTE;
3152 case MESA_FORMAT_ALPHA_INT16:
3153 return format == GL_ALPHA_INTEGER && type == GL_SHORT && !swapBytes;
3154 case MESA_FORMAT_ALPHA_INT32:
3155 return format == GL_ALPHA_INTEGER && type == GL_INT && !swapBytes;
3156
3157 case MESA_FORMAT_INTENSITY_UINT8:
3158 case MESA_FORMAT_INTENSITY_UINT16:
3159 case MESA_FORMAT_INTENSITY_UINT32:
3160 case MESA_FORMAT_INTENSITY_INT8:
3161 case MESA_FORMAT_INTENSITY_INT16:
3162 case MESA_FORMAT_INTENSITY_INT32:
3163 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3164 return GL_FALSE;
3165
3166 case MESA_FORMAT_LUMINANCE_UINT8:
3167 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_BYTE;
3168 case MESA_FORMAT_LUMINANCE_UINT16:
3169 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_SHORT &&
3170 !swapBytes;
3171 case MESA_FORMAT_LUMINANCE_UINT32:
3172 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_INT &&
3173 !swapBytes;
3174 case MESA_FORMAT_LUMINANCE_INT8:
3175 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_BYTE;
3176 case MESA_FORMAT_LUMINANCE_INT16:
3177 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_SHORT &&
3178 !swapBytes;
3179 case MESA_FORMAT_LUMINANCE_INT32:
3180 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_INT && !swapBytes;
3181
3182 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
3183 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3184 type == GL_UNSIGNED_BYTE && !swapBytes;
3185 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
3186 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3187 type == GL_UNSIGNED_SHORT && !swapBytes;
3188 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
3189 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3190 type == GL_UNSIGNED_INT && !swapBytes;
3191 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
3192 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_BYTE &&
3193 !swapBytes;
3194 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
3195 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_SHORT &&
3196 !swapBytes;
3197 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
3198 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_INT &&
3199 !swapBytes;
3200
3201 case MESA_FORMAT_R_INT8:
3202 return format == GL_RED_INTEGER && type == GL_BYTE;
3203 case MESA_FORMAT_RG_INT8:
3204 return format == GL_RG_INTEGER && type == GL_BYTE && !swapBytes;
3205 case MESA_FORMAT_RGB_INT8:
3206 return format == GL_RGB_INTEGER && type == GL_BYTE && !swapBytes;
3207 case MESA_FORMAT_RGBA_INT8:
3208 return format == GL_RGBA_INTEGER && type == GL_BYTE && !swapBytes;
3209 case MESA_FORMAT_R_INT16:
3210 return format == GL_RED_INTEGER && type == GL_SHORT && !swapBytes;
3211 case MESA_FORMAT_RG_INT16:
3212 return format == GL_RG_INTEGER && type == GL_SHORT && !swapBytes;
3213 case MESA_FORMAT_RGB_INT16:
3214 return format == GL_RGB_INTEGER && type == GL_SHORT && !swapBytes;
3215 case MESA_FORMAT_RGBA_INT16:
3216 return format == GL_RGBA_INTEGER && type == GL_SHORT && !swapBytes;
3217 case MESA_FORMAT_R_INT32:
3218 return format == GL_RED_INTEGER && type == GL_INT && !swapBytes;
3219 case MESA_FORMAT_RG_INT32:
3220 return format == GL_RG_INTEGER && type == GL_INT && !swapBytes;
3221 case MESA_FORMAT_RGB_INT32:
3222 return format == GL_RGB_INTEGER && type == GL_INT && !swapBytes;
3223 case MESA_FORMAT_RGBA_INT32:
3224 return format == GL_RGBA_INTEGER && type == GL_INT && !swapBytes;
3225
3226 case MESA_FORMAT_R_UINT8:
3227 return format == GL_RED_INTEGER && type == GL_UNSIGNED_BYTE;
3228 case MESA_FORMAT_RG_UINT8:
3229 return format == GL_RG_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3230 case MESA_FORMAT_RGB_UINT8:
3231 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3232 case MESA_FORMAT_RGBA_UINT8:
3233 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_BYTE &&
3234 !swapBytes;
3235 case MESA_FORMAT_R_UINT16:
3236 return format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT &&
3237 !swapBytes;
3238 case MESA_FORMAT_RG_UINT16:
3239 return format == GL_RG_INTEGER && type == GL_UNSIGNED_SHORT && !swapBytes;
3240 case MESA_FORMAT_RGB_UINT16:
3241 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT &&
3242 !swapBytes;
3243 case MESA_FORMAT_RGBA_UINT16:
3244 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT &&
3245 !swapBytes;
3246 case MESA_FORMAT_R_UINT32:
3247 return format == GL_RED_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3248 case MESA_FORMAT_RG_UINT32:
3249 return format == GL_RG_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3250 case MESA_FORMAT_RGB_UINT32:
3251 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3252 case MESA_FORMAT_RGBA_UINT32:
3253 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3254
3255 case MESA_FORMAT_DUDV8:
3256 return (format == GL_DU8DV8_ATI || format == GL_DUDV_ATI) &&
3257 type == GL_BYTE && littleEndian && !swapBytes;
3258
3259 case MESA_FORMAT_SIGNED_R8:
3260 return format == GL_RED && type == GL_BYTE;
3261 case MESA_FORMAT_SIGNED_RG88_REV:
3262 return format == GL_RG && type == GL_BYTE && littleEndian &&
3263 !swapBytes;
3264 case MESA_FORMAT_SIGNED_RGBX8888:
3265 return GL_FALSE;
3266
3267 case MESA_FORMAT_SIGNED_RGBA8888:
3268 if (format == GL_RGBA && type == GL_BYTE && !littleEndian)
3269 return GL_TRUE;
3270
3271 if (format == GL_ABGR_EXT && type == GL_BYTE && littleEndian)
3272 return GL_TRUE;
3273
3274 return GL_FALSE;
3275
3276 case MESA_FORMAT_SIGNED_RGBA8888_REV:
3277 if (format == GL_RGBA && type == GL_BYTE && littleEndian)
3278 return GL_TRUE;
3279
3280 if (format == GL_ABGR_EXT && type == GL_BYTE && !littleEndian)
3281 return GL_TRUE;
3282
3283 return GL_FALSE;
3284
3285 case MESA_FORMAT_SIGNED_R16:
3286 return format == GL_RED && type == GL_SHORT &&
3287 !swapBytes;
3288 case MESA_FORMAT_SIGNED_GR1616:
3289 return format == GL_RG && type == GL_SHORT && littleEndian && !swapBytes;
3290 case MESA_FORMAT_SIGNED_RGB_16:
3291 return format == GL_RGB && type == GL_SHORT && !swapBytes;
3292 case MESA_FORMAT_SIGNED_RGBA_16:
3293 return format == GL_RGBA && type == GL_SHORT && !swapBytes;
3294 case MESA_FORMAT_RGBA_16:
3295 return format == GL_RGBA && type == GL_UNSIGNED_SHORT &&
3296 !swapBytes;
3297
3298 case MESA_FORMAT_RED_RGTC1:
3299 case MESA_FORMAT_SIGNED_RED_RGTC1:
3300 case MESA_FORMAT_RG_RGTC2:
3301 case MESA_FORMAT_SIGNED_RG_RGTC2:
3302 return GL_FALSE;
3303
3304 case MESA_FORMAT_L_LATC1:
3305 case MESA_FORMAT_SIGNED_L_LATC1:
3306 case MESA_FORMAT_LA_LATC2:
3307 case MESA_FORMAT_SIGNED_LA_LATC2:
3308 return GL_FALSE;
3309
3310 case MESA_FORMAT_ETC1_RGB8:
3311 case MESA_FORMAT_ETC2_RGB8:
3312 case MESA_FORMAT_ETC2_SRGB8:
3313 case MESA_FORMAT_ETC2_RGBA8_EAC:
3314 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
3315 case MESA_FORMAT_ETC2_R11_EAC:
3316 case MESA_FORMAT_ETC2_RG11_EAC:
3317 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
3318 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
3319 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
3320 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
3321 return GL_FALSE;
3322
3323 case MESA_FORMAT_SIGNED_A8:
3324 return format == GL_ALPHA && type == GL_BYTE;
3325 case MESA_FORMAT_SIGNED_L8:
3326 return format == GL_LUMINANCE && type == GL_BYTE;
3327 case MESA_FORMAT_SIGNED_AL88:
3328 return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
3329 littleEndian && !swapBytes;
3330 case MESA_FORMAT_SIGNED_I8:
3331 return format == GL_INTENSITY && type == GL_BYTE;
3332 case MESA_FORMAT_SIGNED_A16:
3333 return format == GL_ALPHA && type == GL_SHORT && !swapBytes;
3334 case MESA_FORMAT_SIGNED_L16:
3335 return format == GL_LUMINANCE && type == GL_SHORT && !swapBytes;
3336 case MESA_FORMAT_SIGNED_AL1616:
3337 return format == GL_LUMINANCE_ALPHA && type == GL_SHORT &&
3338 littleEndian && !swapBytes;
3339 case MESA_FORMAT_SIGNED_I16:
3340 return format == GL_INTENSITY && type == GL_SHORT && littleEndian &&
3341 !swapBytes;
3342
3343 case MESA_FORMAT_ARGB2101010_UINT:
3344 return (format == GL_BGRA_INTEGER_EXT &&
3345 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3346 !swapBytes);
3347
3348 case MESA_FORMAT_ABGR2101010_UINT:
3349 return (format == GL_RGBA_INTEGER_EXT &&
3350 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3351 !swapBytes);
3352
3353 case MESA_FORMAT_RGB9_E5_FLOAT:
3354 return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
3355 !swapBytes;
3356
3357 case MESA_FORMAT_R11_G11_B10_FLOAT:
3358 return format == GL_RGB && type == GL_UNSIGNED_INT_10F_11F_11F_REV &&
3359 !swapBytes;
3360
3361 case MESA_FORMAT_Z32_FLOAT:
3362 return format == GL_DEPTH_COMPONENT && type == GL_FLOAT && !swapBytes;
3363
3364 case MESA_FORMAT_Z32_FLOAT_X24S8:
3365 return format == GL_DEPTH_STENCIL &&
3366 type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && !swapBytes;
3367
3368 case MESA_FORMAT_XRGB4444_UNORM:
3369 case MESA_FORMAT_XRGB1555_UNORM:
3370 case MESA_FORMAT_XBGR8888_SNORM:
3371 case MESA_FORMAT_XBGR8888_SRGB:
3372 case MESA_FORMAT_XBGR8888_UINT:
3373 case MESA_FORMAT_XBGR8888_SINT:
3374 case MESA_FORMAT_XRGB2101010_UNORM:
3375 case MESA_FORMAT_XBGR16161616_UNORM:
3376 case MESA_FORMAT_XBGR16161616_SNORM:
3377 case MESA_FORMAT_XBGR16161616_FLOAT:
3378 case MESA_FORMAT_XBGR16161616_UINT:
3379 case MESA_FORMAT_XBGR16161616_SINT:
3380 case MESA_FORMAT_XBGR32323232_FLOAT:
3381 case MESA_FORMAT_XBGR32323232_UINT:
3382 case MESA_FORMAT_XBGR32323232_SINT:
3383 return GL_FALSE;
3384 }
3385
3386 return GL_FALSE;
3387 }
3388