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mesa: fixup inconsistent naming of RG16 formats
[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
1634
1635
1636 static const struct gl_format_info *
1637 _mesa_get_format_info(gl_format format)
1638 {
1639 const struct gl_format_info *info = &format_info[format];
1640 assert(info->Name == format);
1641 return info;
1642 }
1643
1644
1645 /** Return string name of format (for debugging) */
1646 const char *
1647 _mesa_get_format_name(gl_format format)
1648 {
1649 const struct gl_format_info *info = _mesa_get_format_info(format);
1650 return info->StrName;
1651 }
1652
1653
1654
1655 /**
1656 * Return bytes needed to store a block of pixels in the given format.
1657 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1658 * a block may be 4x4 or 8x4, etc.
1659 *
1660 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1661 */
1662 GLint
1663 _mesa_get_format_bytes(gl_format format)
1664 {
1665 const struct gl_format_info *info = _mesa_get_format_info(format);
1666 ASSERT(info->BytesPerBlock);
1667 ASSERT(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
1668 _mesa_is_format_compressed(format));
1669 return info->BytesPerBlock;
1670 }
1671
1672
1673 /**
1674 * Return bits per component for the given format.
1675 * \param format one of MESA_FORMAT_x
1676 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1677 */
1678 GLint
1679 _mesa_get_format_bits(gl_format format, GLenum pname)
1680 {
1681 const struct gl_format_info *info = _mesa_get_format_info(format);
1682
1683 switch (pname) {
1684 case GL_RED_BITS:
1685 case GL_TEXTURE_RED_SIZE:
1686 case GL_RENDERBUFFER_RED_SIZE_EXT:
1687 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
1688 return info->RedBits;
1689 case GL_GREEN_BITS:
1690 case GL_TEXTURE_GREEN_SIZE:
1691 case GL_RENDERBUFFER_GREEN_SIZE_EXT:
1692 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
1693 return info->GreenBits;
1694 case GL_BLUE_BITS:
1695 case GL_TEXTURE_BLUE_SIZE:
1696 case GL_RENDERBUFFER_BLUE_SIZE_EXT:
1697 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
1698 return info->BlueBits;
1699 case GL_ALPHA_BITS:
1700 case GL_TEXTURE_ALPHA_SIZE:
1701 case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
1702 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
1703 return info->AlphaBits;
1704 case GL_TEXTURE_INTENSITY_SIZE:
1705 return info->IntensityBits;
1706 case GL_TEXTURE_LUMINANCE_SIZE:
1707 return info->LuminanceBits;
1708 case GL_INDEX_BITS:
1709 return info->IndexBits;
1710 case GL_DEPTH_BITS:
1711 case GL_TEXTURE_DEPTH_SIZE_ARB:
1712 case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
1713 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
1714 return info->DepthBits;
1715 case GL_STENCIL_BITS:
1716 case GL_TEXTURE_STENCIL_SIZE_EXT:
1717 case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
1718 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
1719 return info->StencilBits;
1720 default:
1721 _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
1722 return 0;
1723 }
1724 }
1725
1726
1727 GLuint
1728 _mesa_get_format_max_bits(gl_format format)
1729 {
1730 const struct gl_format_info *info = _mesa_get_format_info(format);
1731 GLuint max = MAX2(info->RedBits, info->GreenBits);
1732 max = MAX2(max, info->BlueBits);
1733 max = MAX2(max, info->AlphaBits);
1734 max = MAX2(max, info->LuminanceBits);
1735 max = MAX2(max, info->IntensityBits);
1736 max = MAX2(max, info->DepthBits);
1737 max = MAX2(max, info->StencilBits);
1738 return max;
1739 }
1740
1741
1742 /**
1743 * Return the data type (or more specifically, the data representation)
1744 * for the given format.
1745 * The return value will be one of:
1746 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1747 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1748 * GL_UNSIGNED_INT = an ordinary unsigned integer
1749 * GL_INT = an ordinary signed integer
1750 * GL_FLOAT = an ordinary float
1751 */
1752 GLenum
1753 _mesa_get_format_datatype(gl_format format)
1754 {
1755 const struct gl_format_info *info = _mesa_get_format_info(format);
1756 return info->DataType;
1757 }
1758
1759
1760 /**
1761 * Return the basic format for the given type. The result will be one of
1762 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1763 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1764 */
1765 GLenum
1766 _mesa_get_format_base_format(gl_format format)
1767 {
1768 const struct gl_format_info *info = _mesa_get_format_info(format);
1769 return info->BaseFormat;
1770 }
1771
1772
1773 /**
1774 * Return the block size (in pixels) for the given format. Normally
1775 * the block size is 1x1. But compressed formats will have block sizes
1776 * of 4x4 or 8x4 pixels, etc.
1777 * \param bw returns block width in pixels
1778 * \param bh returns block height in pixels
1779 */
1780 void
1781 _mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
1782 {
1783 const struct gl_format_info *info = _mesa_get_format_info(format);
1784 *bw = info->BlockWidth;
1785 *bh = info->BlockHeight;
1786 }
1787
1788
1789 /** Is the given format a compressed format? */
1790 GLboolean
1791 _mesa_is_format_compressed(gl_format format)
1792 {
1793 const struct gl_format_info *info = _mesa_get_format_info(format);
1794 return info->BlockWidth > 1 || info->BlockHeight > 1;
1795 }
1796
1797
1798 /**
1799 * Determine if the given format represents a packed depth/stencil buffer.
1800 */
1801 GLboolean
1802 _mesa_is_format_packed_depth_stencil(gl_format format)
1803 {
1804 const struct gl_format_info *info = _mesa_get_format_info(format);
1805
1806 return info->BaseFormat == GL_DEPTH_STENCIL;
1807 }
1808
1809
1810 /**
1811 * Is the given format a signed/unsigned integer color format?
1812 */
1813 GLboolean
1814 _mesa_is_format_integer_color(gl_format format)
1815 {
1816 const struct gl_format_info *info = _mesa_get_format_info(format);
1817 return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
1818 info->BaseFormat != GL_DEPTH_COMPONENT &&
1819 info->BaseFormat != GL_DEPTH_STENCIL &&
1820 info->BaseFormat != GL_STENCIL_INDEX;
1821 }
1822
1823
1824 /**
1825 * Is the given format an unsigned integer format?
1826 */
1827 GLboolean
1828 _mesa_is_format_unsigned(gl_format format)
1829 {
1830 const struct gl_format_info *info = _mesa_get_format_info(format);
1831 return _mesa_is_type_unsigned(info->DataType);
1832 }
1833
1834
1835 /**
1836 * Return color encoding for given format.
1837 * \return GL_LINEAR or GL_SRGB
1838 */
1839 GLenum
1840 _mesa_get_format_color_encoding(gl_format format)
1841 {
1842 /* XXX this info should be encoded in gl_format_info */
1843 switch (format) {
1844 case MESA_FORMAT_SRGB8:
1845 case MESA_FORMAT_SRGBA8:
1846 case MESA_FORMAT_SARGB8:
1847 case MESA_FORMAT_SL8:
1848 case MESA_FORMAT_SLA8:
1849 case MESA_FORMAT_SRGB_DXT1:
1850 case MESA_FORMAT_SRGBA_DXT1:
1851 case MESA_FORMAT_SRGBA_DXT3:
1852 case MESA_FORMAT_SRGBA_DXT5:
1853 return GL_SRGB;
1854 default:
1855 return GL_LINEAR;
1856 }
1857 }
1858
1859
1860 /**
1861 * For an sRGB format, return the corresponding linear color space format.
1862 * For non-sRGB formats, return the format as-is.
1863 */
1864 gl_format
1865 _mesa_get_srgb_format_linear(gl_format format)
1866 {
1867 switch (format) {
1868 case MESA_FORMAT_SRGB8:
1869 format = MESA_FORMAT_RGB888;
1870 break;
1871 case MESA_FORMAT_SRGBA8:
1872 format = MESA_FORMAT_RGBA8888;
1873 break;
1874 case MESA_FORMAT_SARGB8:
1875 format = MESA_FORMAT_ARGB8888;
1876 break;
1877 case MESA_FORMAT_SL8:
1878 format = MESA_FORMAT_L8;
1879 break;
1880 case MESA_FORMAT_SLA8:
1881 format = MESA_FORMAT_AL88;
1882 break;
1883 case MESA_FORMAT_SRGB_DXT1:
1884 format = MESA_FORMAT_RGB_DXT1;
1885 break;
1886 case MESA_FORMAT_SRGBA_DXT1:
1887 format = MESA_FORMAT_RGBA_DXT1;
1888 break;
1889 case MESA_FORMAT_SRGBA_DXT3:
1890 format = MESA_FORMAT_RGBA_DXT3;
1891 break;
1892 case MESA_FORMAT_SRGBA_DXT5:
1893 format = MESA_FORMAT_RGBA_DXT5;
1894 break;
1895 default:
1896 break;
1897 }
1898 return format;
1899 }
1900
1901
1902 /**
1903 * If the given format is a compressed format, return a corresponding
1904 * uncompressed format.
1905 */
1906 gl_format
1907 _mesa_get_uncompressed_format(gl_format format)
1908 {
1909 switch (format) {
1910 case MESA_FORMAT_RGB_FXT1:
1911 return MESA_FORMAT_RGB888;
1912 case MESA_FORMAT_RGBA_FXT1:
1913 return MESA_FORMAT_RGBA8888;
1914 case MESA_FORMAT_RGB_DXT1:
1915 case MESA_FORMAT_SRGB_DXT1:
1916 return MESA_FORMAT_RGB888;
1917 case MESA_FORMAT_RGBA_DXT1:
1918 case MESA_FORMAT_SRGBA_DXT1:
1919 return MESA_FORMAT_RGBA8888;
1920 case MESA_FORMAT_RGBA_DXT3:
1921 case MESA_FORMAT_SRGBA_DXT3:
1922 return MESA_FORMAT_RGBA8888;
1923 case MESA_FORMAT_RGBA_DXT5:
1924 case MESA_FORMAT_SRGBA_DXT5:
1925 return MESA_FORMAT_RGBA8888;
1926 case MESA_FORMAT_RED_RGTC1:
1927 return MESA_FORMAT_R8;
1928 case MESA_FORMAT_SIGNED_RED_RGTC1:
1929 return MESA_FORMAT_SIGNED_R8;
1930 case MESA_FORMAT_RG_RGTC2:
1931 return MESA_FORMAT_GR88;
1932 case MESA_FORMAT_SIGNED_RG_RGTC2:
1933 return MESA_FORMAT_SIGNED_RG88_REV;
1934 case MESA_FORMAT_L_LATC1:
1935 return MESA_FORMAT_L8;
1936 case MESA_FORMAT_SIGNED_L_LATC1:
1937 return MESA_FORMAT_SIGNED_L8;
1938 case MESA_FORMAT_LA_LATC2:
1939 return MESA_FORMAT_AL88;
1940 case MESA_FORMAT_SIGNED_LA_LATC2:
1941 return MESA_FORMAT_SIGNED_AL88;
1942 case MESA_FORMAT_ETC1_RGB8:
1943 case MESA_FORMAT_ETC2_RGB8:
1944 case MESA_FORMAT_ETC2_SRGB8:
1945 return MESA_FORMAT_RGB888;
1946 case MESA_FORMAT_ETC2_RGBA8_EAC:
1947 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
1948 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
1949 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
1950 return MESA_FORMAT_RGBA8888;
1951 case MESA_FORMAT_ETC2_R11_EAC:
1952 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
1953 return MESA_FORMAT_R16;
1954 case MESA_FORMAT_ETC2_RG11_EAC:
1955 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
1956 return MESA_FORMAT_GR1616;
1957 default:
1958 #ifdef DEBUG
1959 assert(!_mesa_is_format_compressed(format));
1960 #endif
1961 return format;
1962 }
1963 }
1964
1965
1966 GLuint
1967 _mesa_format_num_components(gl_format format)
1968 {
1969 const struct gl_format_info *info = _mesa_get_format_info(format);
1970 return ((info->RedBits > 0) +
1971 (info->GreenBits > 0) +
1972 (info->BlueBits > 0) +
1973 (info->AlphaBits > 0) +
1974 (info->LuminanceBits > 0) +
1975 (info->IntensityBits > 0) +
1976 (info->DepthBits > 0) +
1977 (info->StencilBits > 0));
1978 }
1979
1980
1981 /**
1982 * Return number of bytes needed to store an image of the given size
1983 * in the given format.
1984 */
1985 GLuint
1986 _mesa_format_image_size(gl_format format, GLsizei width,
1987 GLsizei height, GLsizei depth)
1988 {
1989 const struct gl_format_info *info = _mesa_get_format_info(format);
1990 /* Strictly speaking, a conditional isn't needed here */
1991 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
1992 /* compressed format (2D only for now) */
1993 const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
1994 const GLuint wblocks = (width + bw - 1) / bw;
1995 const GLuint hblocks = (height + bh - 1) / bh;
1996 const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
1997 return sz * depth;
1998 }
1999 else {
2000 /* non-compressed */
2001 const GLuint sz = width * height * depth * info->BytesPerBlock;
2002 return sz;
2003 }
2004 }
2005
2006
2007 /**
2008 * Same as _mesa_format_image_size() but returns a 64-bit value to
2009 * accomodate very large textures.
2010 */
2011 uint64_t
2012 _mesa_format_image_size64(gl_format format, GLsizei width,
2013 GLsizei height, GLsizei depth)
2014 {
2015 const struct gl_format_info *info = _mesa_get_format_info(format);
2016 /* Strictly speaking, a conditional isn't needed here */
2017 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2018 /* compressed format (2D only for now) */
2019 const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
2020 const uint64_t wblocks = (width + bw - 1) / bw;
2021 const uint64_t hblocks = (height + bh - 1) / bh;
2022 const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
2023 return sz * depth;
2024 }
2025 else {
2026 /* non-compressed */
2027 const uint64_t sz = ((uint64_t) width *
2028 (uint64_t) height *
2029 (uint64_t) depth *
2030 info->BytesPerBlock);
2031 return sz;
2032 }
2033 }
2034
2035
2036
2037 GLint
2038 _mesa_format_row_stride(gl_format format, GLsizei width)
2039 {
2040 const struct gl_format_info *info = _mesa_get_format_info(format);
2041 /* Strictly speaking, a conditional isn't needed here */
2042 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2043 /* compressed format */
2044 const GLuint bw = info->BlockWidth;
2045 const GLuint wblocks = (width + bw - 1) / bw;
2046 const GLint stride = wblocks * info->BytesPerBlock;
2047 return stride;
2048 }
2049 else {
2050 const GLint stride = width * info->BytesPerBlock;
2051 return stride;
2052 }
2053 }
2054
2055
2056 /**
2057 * Debug/test: check that all formats are handled in the
2058 * _mesa_format_to_type_and_comps() function. When new pixel formats
2059 * are added to Mesa, that function needs to be updated.
2060 * This is a no-op after the first call.
2061 */
2062 static void
2063 check_format_to_type_and_comps(void)
2064 {
2065 gl_format f;
2066
2067 for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
2068 GLenum datatype = 0;
2069 GLuint comps = 0;
2070 /* This function will emit a problem/warning if the format is
2071 * not handled.
2072 */
2073 _mesa_format_to_type_and_comps(f, &datatype, &comps);
2074 }
2075 }
2076
2077
2078 /**
2079 * Do sanity checking of the format info table.
2080 */
2081 void
2082 _mesa_test_formats(void)
2083 {
2084 GLuint i;
2085
2086 STATIC_ASSERT(Elements(format_info) == MESA_FORMAT_COUNT);
2087
2088 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
2089 const struct gl_format_info *info = _mesa_get_format_info(i);
2090 assert(info);
2091
2092 assert(info->Name == i);
2093
2094 if (info->Name == MESA_FORMAT_NONE)
2095 continue;
2096
2097 if (info->BlockWidth == 1 && info->BlockHeight == 1) {
2098 if (info->RedBits > 0) {
2099 GLuint t = info->RedBits + info->GreenBits
2100 + info->BlueBits + info->AlphaBits;
2101 assert(t / 8 <= info->BytesPerBlock);
2102 (void) t;
2103 }
2104 }
2105
2106 assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
2107 info->DataType == GL_SIGNED_NORMALIZED ||
2108 info->DataType == GL_UNSIGNED_INT ||
2109 info->DataType == GL_INT ||
2110 info->DataType == GL_FLOAT ||
2111 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2112 info->DataType == GL_NONE);
2113
2114 if (info->BaseFormat == GL_RGB) {
2115 assert(info->RedBits > 0);
2116 assert(info->GreenBits > 0);
2117 assert(info->BlueBits > 0);
2118 assert(info->AlphaBits == 0);
2119 assert(info->LuminanceBits == 0);
2120 assert(info->IntensityBits == 0);
2121 }
2122 else if (info->BaseFormat == GL_RGBA) {
2123 assert(info->RedBits > 0);
2124 assert(info->GreenBits > 0);
2125 assert(info->BlueBits > 0);
2126 assert(info->AlphaBits > 0);
2127 assert(info->LuminanceBits == 0);
2128 assert(info->IntensityBits == 0);
2129 }
2130 else if (info->BaseFormat == GL_RG) {
2131 assert(info->RedBits > 0);
2132 assert(info->GreenBits > 0);
2133 assert(info->BlueBits == 0);
2134 assert(info->AlphaBits == 0);
2135 assert(info->LuminanceBits == 0);
2136 assert(info->IntensityBits == 0);
2137 }
2138 else if (info->BaseFormat == GL_RED) {
2139 assert(info->RedBits > 0);
2140 assert(info->GreenBits == 0);
2141 assert(info->BlueBits == 0);
2142 assert(info->AlphaBits == 0);
2143 assert(info->LuminanceBits == 0);
2144 assert(info->IntensityBits == 0);
2145 }
2146 else if (info->BaseFormat == GL_LUMINANCE) {
2147 assert(info->RedBits == 0);
2148 assert(info->GreenBits == 0);
2149 assert(info->BlueBits == 0);
2150 assert(info->AlphaBits == 0);
2151 assert(info->LuminanceBits > 0);
2152 assert(info->IntensityBits == 0);
2153 }
2154 else if (info->BaseFormat == GL_INTENSITY) {
2155 assert(info->RedBits == 0);
2156 assert(info->GreenBits == 0);
2157 assert(info->BlueBits == 0);
2158 assert(info->AlphaBits == 0);
2159 assert(info->LuminanceBits == 0);
2160 assert(info->IntensityBits > 0);
2161 }
2162 }
2163
2164 check_format_to_type_and_comps();
2165 }
2166
2167
2168
2169 /**
2170 * Return datatype and number of components per texel for the given gl_format.
2171 * Only used for mipmap generation code.
2172 */
2173 void
2174 _mesa_format_to_type_and_comps(gl_format format,
2175 GLenum *datatype, GLuint *comps)
2176 {
2177 switch (format) {
2178 case MESA_FORMAT_RGBA8888:
2179 case MESA_FORMAT_RGBA8888_REV:
2180 case MESA_FORMAT_ARGB8888:
2181 case MESA_FORMAT_ARGB8888_REV:
2182 case MESA_FORMAT_RGBX8888:
2183 case MESA_FORMAT_RGBX8888_REV:
2184 case MESA_FORMAT_XRGB8888:
2185 case MESA_FORMAT_XRGB8888_REV:
2186 *datatype = GL_UNSIGNED_BYTE;
2187 *comps = 4;
2188 return;
2189 case MESA_FORMAT_RGB888:
2190 case MESA_FORMAT_BGR888:
2191 *datatype = GL_UNSIGNED_BYTE;
2192 *comps = 3;
2193 return;
2194 case MESA_FORMAT_RGB565:
2195 case MESA_FORMAT_RGB565_REV:
2196 *datatype = GL_UNSIGNED_SHORT_5_6_5;
2197 *comps = 3;
2198 return;
2199
2200 case MESA_FORMAT_ARGB4444:
2201 case MESA_FORMAT_ARGB4444_REV:
2202 *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
2203 *comps = 4;
2204 return;
2205
2206 case MESA_FORMAT_ARGB1555:
2207 case MESA_FORMAT_ARGB1555_REV:
2208 *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
2209 *comps = 4;
2210 return;
2211
2212 case MESA_FORMAT_ARGB2101010:
2213 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2214 *comps = 4;
2215 return;
2216
2217 case MESA_FORMAT_RGBA5551:
2218 *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
2219 *comps = 4;
2220 return;
2221
2222 case MESA_FORMAT_AL44:
2223 *datatype = MESA_UNSIGNED_BYTE_4_4;
2224 *comps = 2;
2225 return;
2226
2227 case MESA_FORMAT_AL88:
2228 case MESA_FORMAT_AL88_REV:
2229 case MESA_FORMAT_GR88:
2230 case MESA_FORMAT_RG88:
2231 *datatype = GL_UNSIGNED_BYTE;
2232 *comps = 2;
2233 return;
2234
2235 case MESA_FORMAT_AL1616:
2236 case MESA_FORMAT_AL1616_REV:
2237 case MESA_FORMAT_GR1616:
2238 case MESA_FORMAT_RG1616:
2239 *datatype = GL_UNSIGNED_SHORT;
2240 *comps = 2;
2241 return;
2242
2243 case MESA_FORMAT_R16:
2244 case MESA_FORMAT_A16:
2245 case MESA_FORMAT_L16:
2246 case MESA_FORMAT_I16:
2247 *datatype = GL_UNSIGNED_SHORT;
2248 *comps = 1;
2249 return;
2250
2251 case MESA_FORMAT_RGB332:
2252 *datatype = GL_UNSIGNED_BYTE_3_3_2;
2253 *comps = 3;
2254 return;
2255
2256 case MESA_FORMAT_A8:
2257 case MESA_FORMAT_L8:
2258 case MESA_FORMAT_I8:
2259 case MESA_FORMAT_R8:
2260 case MESA_FORMAT_S8:
2261 *datatype = GL_UNSIGNED_BYTE;
2262 *comps = 1;
2263 return;
2264
2265 case MESA_FORMAT_YCBCR:
2266 case MESA_FORMAT_YCBCR_REV:
2267 *datatype = GL_UNSIGNED_SHORT;
2268 *comps = 2;
2269 return;
2270
2271 case MESA_FORMAT_Z24_S8:
2272 *datatype = GL_UNSIGNED_INT_24_8_MESA;
2273 *comps = 2;
2274 return;
2275
2276 case MESA_FORMAT_S8_Z24:
2277 *datatype = GL_UNSIGNED_INT_8_24_REV_MESA;
2278 *comps = 2;
2279 return;
2280
2281 case MESA_FORMAT_Z16:
2282 *datatype = GL_UNSIGNED_SHORT;
2283 *comps = 1;
2284 return;
2285
2286 case MESA_FORMAT_X8_Z24:
2287 *datatype = GL_UNSIGNED_INT;
2288 *comps = 1;
2289 return;
2290
2291 case MESA_FORMAT_Z24_X8:
2292 *datatype = GL_UNSIGNED_INT;
2293 *comps = 1;
2294 return;
2295
2296 case MESA_FORMAT_Z32:
2297 *datatype = GL_UNSIGNED_INT;
2298 *comps = 1;
2299 return;
2300
2301 case MESA_FORMAT_Z32_FLOAT:
2302 *datatype = GL_FLOAT;
2303 *comps = 1;
2304 return;
2305
2306 case MESA_FORMAT_Z32_FLOAT_X24S8:
2307 *datatype = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
2308 *comps = 1;
2309 return;
2310
2311 case MESA_FORMAT_DUDV8:
2312 *datatype = GL_BYTE;
2313 *comps = 2;
2314 return;
2315
2316 case MESA_FORMAT_SIGNED_R8:
2317 case MESA_FORMAT_SIGNED_A8:
2318 case MESA_FORMAT_SIGNED_L8:
2319 case MESA_FORMAT_SIGNED_I8:
2320 *datatype = GL_BYTE;
2321 *comps = 1;
2322 return;
2323 case MESA_FORMAT_SIGNED_RG88_REV:
2324 case MESA_FORMAT_SIGNED_AL88:
2325 *datatype = GL_BYTE;
2326 *comps = 2;
2327 return;
2328 case MESA_FORMAT_SIGNED_RGBA8888:
2329 case MESA_FORMAT_SIGNED_RGBA8888_REV:
2330 case MESA_FORMAT_SIGNED_RGBX8888:
2331 *datatype = GL_BYTE;
2332 *comps = 4;
2333 return;
2334
2335 case MESA_FORMAT_RGBA_16:
2336 *datatype = GL_UNSIGNED_SHORT;
2337 *comps = 4;
2338 return;
2339
2340 case MESA_FORMAT_SIGNED_R16:
2341 case MESA_FORMAT_SIGNED_A16:
2342 case MESA_FORMAT_SIGNED_L16:
2343 case MESA_FORMAT_SIGNED_I16:
2344 *datatype = GL_SHORT;
2345 *comps = 1;
2346 return;
2347 case MESA_FORMAT_SIGNED_GR1616:
2348 case MESA_FORMAT_SIGNED_AL1616:
2349 *datatype = GL_SHORT;
2350 *comps = 2;
2351 return;
2352 case MESA_FORMAT_SIGNED_RGB_16:
2353 *datatype = GL_SHORT;
2354 *comps = 3;
2355 return;
2356 case MESA_FORMAT_SIGNED_RGBA_16:
2357 *datatype = GL_SHORT;
2358 *comps = 4;
2359 return;
2360
2361 case MESA_FORMAT_SRGB8:
2362 *datatype = GL_UNSIGNED_BYTE;
2363 *comps = 3;
2364 return;
2365 case MESA_FORMAT_SRGBA8:
2366 case MESA_FORMAT_SARGB8:
2367 *datatype = GL_UNSIGNED_BYTE;
2368 *comps = 4;
2369 return;
2370 case MESA_FORMAT_SL8:
2371 *datatype = GL_UNSIGNED_BYTE;
2372 *comps = 1;
2373 return;
2374 case MESA_FORMAT_SLA8:
2375 *datatype = GL_UNSIGNED_BYTE;
2376 *comps = 2;
2377 return;
2378
2379 case MESA_FORMAT_RGB_FXT1:
2380 case MESA_FORMAT_RGBA_FXT1:
2381 case MESA_FORMAT_RGB_DXT1:
2382 case MESA_FORMAT_RGBA_DXT1:
2383 case MESA_FORMAT_RGBA_DXT3:
2384 case MESA_FORMAT_RGBA_DXT5:
2385 case MESA_FORMAT_SRGB_DXT1:
2386 case MESA_FORMAT_SRGBA_DXT1:
2387 case MESA_FORMAT_SRGBA_DXT3:
2388 case MESA_FORMAT_SRGBA_DXT5:
2389 case MESA_FORMAT_RED_RGTC1:
2390 case MESA_FORMAT_SIGNED_RED_RGTC1:
2391 case MESA_FORMAT_RG_RGTC2:
2392 case MESA_FORMAT_SIGNED_RG_RGTC2:
2393 case MESA_FORMAT_L_LATC1:
2394 case MESA_FORMAT_SIGNED_L_LATC1:
2395 case MESA_FORMAT_LA_LATC2:
2396 case MESA_FORMAT_SIGNED_LA_LATC2:
2397 case MESA_FORMAT_ETC1_RGB8:
2398 case MESA_FORMAT_ETC2_RGB8:
2399 case MESA_FORMAT_ETC2_SRGB8:
2400 case MESA_FORMAT_ETC2_RGBA8_EAC:
2401 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2402 case MESA_FORMAT_ETC2_R11_EAC:
2403 case MESA_FORMAT_ETC2_RG11_EAC:
2404 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2405 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2406 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2407 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2408 /* XXX generate error instead? */
2409 *datatype = GL_UNSIGNED_BYTE;
2410 *comps = 0;
2411 return;
2412
2413 case MESA_FORMAT_RGBA_FLOAT32:
2414 *datatype = GL_FLOAT;
2415 *comps = 4;
2416 return;
2417 case MESA_FORMAT_RGBA_FLOAT16:
2418 *datatype = GL_HALF_FLOAT_ARB;
2419 *comps = 4;
2420 return;
2421 case MESA_FORMAT_RGB_FLOAT32:
2422 *datatype = GL_FLOAT;
2423 *comps = 3;
2424 return;
2425 case MESA_FORMAT_RGB_FLOAT16:
2426 *datatype = GL_HALF_FLOAT_ARB;
2427 *comps = 3;
2428 return;
2429 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
2430 case MESA_FORMAT_RG_FLOAT32:
2431 *datatype = GL_FLOAT;
2432 *comps = 2;
2433 return;
2434 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
2435 case MESA_FORMAT_RG_FLOAT16:
2436 *datatype = GL_HALF_FLOAT_ARB;
2437 *comps = 2;
2438 return;
2439 case MESA_FORMAT_ALPHA_FLOAT32:
2440 case MESA_FORMAT_LUMINANCE_FLOAT32:
2441 case MESA_FORMAT_INTENSITY_FLOAT32:
2442 case MESA_FORMAT_R_FLOAT32:
2443 *datatype = GL_FLOAT;
2444 *comps = 1;
2445 return;
2446 case MESA_FORMAT_ALPHA_FLOAT16:
2447 case MESA_FORMAT_LUMINANCE_FLOAT16:
2448 case MESA_FORMAT_INTENSITY_FLOAT16:
2449 case MESA_FORMAT_R_FLOAT16:
2450 *datatype = GL_HALF_FLOAT_ARB;
2451 *comps = 1;
2452 return;
2453
2454 case MESA_FORMAT_ALPHA_UINT8:
2455 case MESA_FORMAT_LUMINANCE_UINT8:
2456 case MESA_FORMAT_INTENSITY_UINT8:
2457 *datatype = GL_UNSIGNED_BYTE;
2458 *comps = 1;
2459 return;
2460 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
2461 *datatype = GL_UNSIGNED_BYTE;
2462 *comps = 2;
2463 return;
2464
2465 case MESA_FORMAT_ALPHA_UINT16:
2466 case MESA_FORMAT_LUMINANCE_UINT16:
2467 case MESA_FORMAT_INTENSITY_UINT16:
2468 *datatype = GL_UNSIGNED_SHORT;
2469 *comps = 1;
2470 return;
2471 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
2472 *datatype = GL_UNSIGNED_SHORT;
2473 *comps = 2;
2474 return;
2475 case MESA_FORMAT_ALPHA_UINT32:
2476 case MESA_FORMAT_LUMINANCE_UINT32:
2477 case MESA_FORMAT_INTENSITY_UINT32:
2478 *datatype = GL_UNSIGNED_INT;
2479 *comps = 1;
2480 return;
2481 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
2482 *datatype = GL_UNSIGNED_INT;
2483 *comps = 2;
2484 return;
2485 case MESA_FORMAT_ALPHA_INT8:
2486 case MESA_FORMAT_LUMINANCE_INT8:
2487 case MESA_FORMAT_INTENSITY_INT8:
2488 *datatype = GL_BYTE;
2489 *comps = 1;
2490 return;
2491 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
2492 *datatype = GL_BYTE;
2493 *comps = 2;
2494 return;
2495
2496 case MESA_FORMAT_ALPHA_INT16:
2497 case MESA_FORMAT_LUMINANCE_INT16:
2498 case MESA_FORMAT_INTENSITY_INT16:
2499 *datatype = GL_SHORT;
2500 *comps = 1;
2501 return;
2502 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
2503 *datatype = GL_SHORT;
2504 *comps = 2;
2505 return;
2506
2507 case MESA_FORMAT_ALPHA_INT32:
2508 case MESA_FORMAT_LUMINANCE_INT32:
2509 case MESA_FORMAT_INTENSITY_INT32:
2510 *datatype = GL_INT;
2511 *comps = 1;
2512 return;
2513 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
2514 *datatype = GL_INT;
2515 *comps = 2;
2516 return;
2517
2518 case MESA_FORMAT_R_INT8:
2519 *datatype = GL_BYTE;
2520 *comps = 1;
2521 return;
2522 case MESA_FORMAT_RG_INT8:
2523 *datatype = GL_BYTE;
2524 *comps = 2;
2525 return;
2526 case MESA_FORMAT_RGB_INT8:
2527 *datatype = GL_BYTE;
2528 *comps = 3;
2529 return;
2530 case MESA_FORMAT_RGBA_INT8:
2531 *datatype = GL_BYTE;
2532 *comps = 4;
2533 return;
2534 case MESA_FORMAT_R_INT16:
2535 *datatype = GL_SHORT;
2536 *comps = 1;
2537 return;
2538 case MESA_FORMAT_RG_INT16:
2539 *datatype = GL_SHORT;
2540 *comps = 2;
2541 return;
2542 case MESA_FORMAT_RGB_INT16:
2543 *datatype = GL_SHORT;
2544 *comps = 3;
2545 return;
2546 case MESA_FORMAT_RGBA_INT16:
2547 *datatype = GL_SHORT;
2548 *comps = 4;
2549 return;
2550 case MESA_FORMAT_R_INT32:
2551 *datatype = GL_INT;
2552 *comps = 1;
2553 return;
2554 case MESA_FORMAT_RG_INT32:
2555 *datatype = GL_INT;
2556 *comps = 2;
2557 return;
2558 case MESA_FORMAT_RGB_INT32:
2559 *datatype = GL_INT;
2560 *comps = 3;
2561 return;
2562 case MESA_FORMAT_RGBA_INT32:
2563 *datatype = GL_INT;
2564 *comps = 4;
2565 return;
2566
2567 /**
2568 * \name Non-normalized unsigned integer formats.
2569 */
2570 case MESA_FORMAT_R_UINT8:
2571 *datatype = GL_UNSIGNED_BYTE;
2572 *comps = 1;
2573 return;
2574 case MESA_FORMAT_RG_UINT8:
2575 *datatype = GL_UNSIGNED_BYTE;
2576 *comps = 2;
2577 return;
2578 case MESA_FORMAT_RGB_UINT8:
2579 *datatype = GL_UNSIGNED_BYTE;
2580 *comps = 3;
2581 return;
2582 case MESA_FORMAT_RGBA_UINT8:
2583 *datatype = GL_UNSIGNED_BYTE;
2584 *comps = 4;
2585 return;
2586 case MESA_FORMAT_R_UINT16:
2587 *datatype = GL_UNSIGNED_SHORT;
2588 *comps = 1;
2589 return;
2590 case MESA_FORMAT_RG_UINT16:
2591 *datatype = GL_UNSIGNED_SHORT;
2592 *comps = 2;
2593 return;
2594 case MESA_FORMAT_RGB_UINT16:
2595 *datatype = GL_UNSIGNED_SHORT;
2596 *comps = 3;
2597 return;
2598 case MESA_FORMAT_RGBA_UINT16:
2599 *datatype = GL_UNSIGNED_SHORT;
2600 *comps = 4;
2601 return;
2602 case MESA_FORMAT_R_UINT32:
2603 *datatype = GL_UNSIGNED_INT;
2604 *comps = 1;
2605 return;
2606 case MESA_FORMAT_RG_UINT32:
2607 *datatype = GL_UNSIGNED_INT;
2608 *comps = 2;
2609 return;
2610 case MESA_FORMAT_RGB_UINT32:
2611 *datatype = GL_UNSIGNED_INT;
2612 *comps = 3;
2613 return;
2614 case MESA_FORMAT_RGBA_UINT32:
2615 *datatype = GL_UNSIGNED_INT;
2616 *comps = 4;
2617 return;
2618
2619 case MESA_FORMAT_RGB9_E5_FLOAT:
2620 *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
2621 *comps = 3;
2622 return;
2623
2624 case MESA_FORMAT_R11_G11_B10_FLOAT:
2625 *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
2626 *comps = 3;
2627 return;
2628
2629 case MESA_FORMAT_ARGB2101010_UINT:
2630 case MESA_FORMAT_ABGR2101010_UINT:
2631 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2632 *comps = 4;
2633 return;
2634
2635 case MESA_FORMAT_COUNT:
2636 assert(0);
2637 return;
2638
2639 case MESA_FORMAT_NONE:
2640 /* For debug builds, warn if any formats are not handled */
2641 #ifdef DEBUG
2642 default:
2643 #endif
2644 _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
2645 _mesa_get_format_name(format));
2646 *datatype = 0;
2647 *comps = 1;
2648 }
2649 }
2650
2651 /**
2652 * Check if a gl_format exactly matches a GL format/type combination
2653 * such that we can use memcpy() from one to the other.
2654 * \param gl_format a MESA_FORMAT_x value
2655 * \param format the user-specified image format
2656 * \param type the user-specified image datatype
2657 * \param swapBytes typically the current pixel pack/unpack byteswap state
2658 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2659 */
2660 GLboolean
2661 _mesa_format_matches_format_and_type(gl_format gl_format,
2662 GLenum format, GLenum type,
2663 GLboolean swapBytes)
2664 {
2665 const GLboolean littleEndian = _mesa_little_endian();
2666
2667 /* Note: When reading a GL format/type combination, the format lists channel
2668 * assignments from most significant channel in the type to least
2669 * significant. A type with _REV indicates that the assignments are
2670 * swapped, so they are listed from least significant to most significant.
2671 *
2672 * For sanity, please keep this switch statement ordered the same as the
2673 * enums in formats.h.
2674 */
2675
2676 switch (gl_format) {
2677
2678 case MESA_FORMAT_NONE:
2679 case MESA_FORMAT_COUNT:
2680 return GL_FALSE;
2681
2682 case MESA_FORMAT_RGBA8888:
2683 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2684 return GL_TRUE;
2685
2686 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
2687 return GL_TRUE;
2688
2689 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && !littleEndian)
2690 return GL_TRUE;
2691
2692 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV
2693 && !swapBytes)
2694 return GL_TRUE;
2695
2696 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8
2697 && swapBytes)
2698 return GL_TRUE;
2699
2700 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && littleEndian)
2701 return GL_TRUE;
2702
2703 return GL_FALSE;
2704
2705 case MESA_FORMAT_RGBA8888_REV:
2706 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2707 !swapBytes)
2708 return GL_TRUE;
2709
2710 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2711 return GL_TRUE;
2712
2713 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && littleEndian)
2714 return GL_TRUE;
2715
2716 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8 &&
2717 !swapBytes)
2718 return GL_TRUE;
2719
2720 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2721 swapBytes)
2722 return GL_TRUE;
2723
2724 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && !littleEndian)
2725 return GL_TRUE;
2726
2727 return GL_FALSE;
2728
2729 case MESA_FORMAT_ARGB8888:
2730 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2731 !swapBytes)
2732 return GL_TRUE;
2733
2734 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2735 return GL_TRUE;
2736
2737 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && littleEndian)
2738 return GL_TRUE;
2739
2740 return GL_FALSE;
2741
2742 case MESA_FORMAT_ARGB8888_REV:
2743 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2744 return GL_TRUE;
2745
2746 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2747 swapBytes)
2748 return GL_TRUE;
2749
2750 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && !littleEndian)
2751 return GL_TRUE;
2752
2753 return GL_FALSE;
2754
2755 case MESA_FORMAT_RGBX8888:
2756 case MESA_FORMAT_RGBX8888_REV:
2757 return GL_FALSE;
2758
2759 case MESA_FORMAT_XRGB8888:
2760 case MESA_FORMAT_XRGB8888_REV:
2761 return GL_FALSE;
2762
2763 case MESA_FORMAT_RGB888:
2764 return format == GL_BGR && type == GL_UNSIGNED_BYTE && littleEndian;
2765
2766 case MESA_FORMAT_BGR888:
2767 return format == GL_RGB && type == GL_UNSIGNED_BYTE && littleEndian;
2768
2769 case MESA_FORMAT_RGB565:
2770 return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 && !swapBytes;
2771
2772 case MESA_FORMAT_RGB565_REV:
2773 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
2774 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
2775 * according to formats.h, so they can't be matched.
2776 */
2777 return GL_FALSE;
2778
2779 case MESA_FORMAT_ARGB4444:
2780 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
2781 !swapBytes;
2782
2783 case MESA_FORMAT_ARGB4444_REV:
2784 return GL_FALSE;
2785
2786 case MESA_FORMAT_RGBA5551:
2787 return format == GL_RGBA && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
2788 !swapBytes;
2789
2790 case MESA_FORMAT_ARGB1555:
2791 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
2792 !swapBytes;
2793
2794 case MESA_FORMAT_ARGB1555_REV:
2795 return GL_FALSE;
2796
2797 case MESA_FORMAT_AL44:
2798 return GL_FALSE;
2799 case MESA_FORMAT_AL88:
2800 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE && littleEndian;
2801 case MESA_FORMAT_AL88_REV:
2802 return GL_FALSE;
2803
2804 case MESA_FORMAT_AL1616:
2805 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_SHORT && littleEndian && !swapBytes;
2806 case MESA_FORMAT_AL1616_REV:
2807 return GL_FALSE;
2808
2809 case MESA_FORMAT_RGB332:
2810 return format == GL_RGB && type == GL_UNSIGNED_BYTE_3_3_2;
2811
2812 case MESA_FORMAT_A8:
2813 return format == GL_ALPHA && type == GL_UNSIGNED_BYTE;
2814 case MESA_FORMAT_A16:
2815 return format == GL_ALPHA && type == GL_UNSIGNED_SHORT &&
2816 littleEndian && !swapBytes;
2817 case MESA_FORMAT_L8:
2818 return format == GL_LUMINANCE && type == GL_UNSIGNED_BYTE;
2819 case MESA_FORMAT_L16:
2820 return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT &&
2821 littleEndian && !swapBytes;
2822 case MESA_FORMAT_I8:
2823 return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
2824 case MESA_FORMAT_I16:
2825 return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT &&
2826 littleEndian && !swapBytes;
2827
2828 case MESA_FORMAT_YCBCR:
2829 case MESA_FORMAT_YCBCR_REV:
2830 return GL_FALSE;
2831
2832 case MESA_FORMAT_R8:
2833 return format == GL_RED && type == GL_UNSIGNED_BYTE;
2834 case MESA_FORMAT_GR88:
2835 return format == GL_RG && type == GL_UNSIGNED_BYTE && littleEndian;
2836 case MESA_FORMAT_RG88:
2837 return GL_FALSE;
2838
2839 case MESA_FORMAT_R16:
2840 return format == GL_RED && type == GL_UNSIGNED_SHORT && littleEndian &&
2841 !swapBytes;
2842 case MESA_FORMAT_GR1616:
2843 return format == GL_RG && type == GL_UNSIGNED_SHORT && littleEndian &&
2844 !swapBytes;
2845 case MESA_FORMAT_RG1616:
2846 return GL_FALSE;
2847
2848 case MESA_FORMAT_ARGB2101010:
2849 return format == GL_BGRA && type == GL_UNSIGNED_INT_2_10_10_10_REV &&
2850 !swapBytes;
2851
2852 case MESA_FORMAT_Z24_S8:
2853 return format == GL_DEPTH_STENCIL && type == GL_UNSIGNED_INT_24_8 &&
2854 !swapBytes;
2855 case MESA_FORMAT_Z24_X8:
2856 case MESA_FORMAT_S8_Z24:
2857 return GL_FALSE;
2858
2859 case MESA_FORMAT_Z16:
2860 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_SHORT &&
2861 !swapBytes;
2862
2863 case MESA_FORMAT_X8_Z24:
2864 return GL_FALSE;
2865
2866 case MESA_FORMAT_Z32:
2867 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_INT &&
2868 !swapBytes;
2869
2870 case MESA_FORMAT_S8:
2871 return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
2872
2873 case MESA_FORMAT_SRGB8:
2874 case MESA_FORMAT_SRGBA8:
2875 case MESA_FORMAT_SARGB8:
2876 case MESA_FORMAT_SL8:
2877 case MESA_FORMAT_SLA8:
2878 case MESA_FORMAT_SRGB_DXT1:
2879 case MESA_FORMAT_SRGBA_DXT1:
2880 case MESA_FORMAT_SRGBA_DXT3:
2881 case MESA_FORMAT_SRGBA_DXT5:
2882 return GL_FALSE;
2883
2884 case MESA_FORMAT_RGB_FXT1:
2885 case MESA_FORMAT_RGBA_FXT1:
2886 case MESA_FORMAT_RGB_DXT1:
2887 case MESA_FORMAT_RGBA_DXT1:
2888 case MESA_FORMAT_RGBA_DXT3:
2889 case MESA_FORMAT_RGBA_DXT5:
2890 return GL_FALSE;
2891
2892 case MESA_FORMAT_RGBA_FLOAT32:
2893 return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
2894 case MESA_FORMAT_RGBA_FLOAT16:
2895 return format == GL_RGBA && type == GL_HALF_FLOAT && !swapBytes;
2896
2897 case MESA_FORMAT_RGB_FLOAT32:
2898 return format == GL_RGB && type == GL_FLOAT && !swapBytes;
2899 case MESA_FORMAT_RGB_FLOAT16:
2900 return format == GL_RGB && type == GL_HALF_FLOAT && !swapBytes;
2901
2902 case MESA_FORMAT_ALPHA_FLOAT32:
2903 return format == GL_ALPHA && type == GL_FLOAT && !swapBytes;
2904 case MESA_FORMAT_ALPHA_FLOAT16:
2905 return format == GL_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
2906
2907 case MESA_FORMAT_LUMINANCE_FLOAT32:
2908 return format == GL_LUMINANCE && type == GL_FLOAT && !swapBytes;
2909 case MESA_FORMAT_LUMINANCE_FLOAT16:
2910 return format == GL_LUMINANCE && type == GL_HALF_FLOAT && !swapBytes;
2911
2912 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
2913 return format == GL_LUMINANCE_ALPHA && type == GL_FLOAT && !swapBytes;
2914 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
2915 return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
2916
2917 case MESA_FORMAT_INTENSITY_FLOAT32:
2918 return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
2919 case MESA_FORMAT_INTENSITY_FLOAT16:
2920 return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
2921
2922 case MESA_FORMAT_R_FLOAT32:
2923 return format == GL_RED && type == GL_FLOAT && !swapBytes;
2924 case MESA_FORMAT_R_FLOAT16:
2925 return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
2926
2927 case MESA_FORMAT_RG_FLOAT32:
2928 return format == GL_RG && type == GL_FLOAT && !swapBytes;
2929 case MESA_FORMAT_RG_FLOAT16:
2930 return format == GL_RG && type == GL_HALF_FLOAT && !swapBytes;
2931
2932 /* FINISHME: What do we want to do for GL_EXT_texture_integer? */
2933 case MESA_FORMAT_ALPHA_UINT8:
2934 case MESA_FORMAT_ALPHA_UINT16:
2935 case MESA_FORMAT_ALPHA_UINT32:
2936 case MESA_FORMAT_ALPHA_INT8:
2937 case MESA_FORMAT_ALPHA_INT16:
2938 case MESA_FORMAT_ALPHA_INT32:
2939 return GL_FALSE;
2940
2941 case MESA_FORMAT_INTENSITY_UINT8:
2942 case MESA_FORMAT_INTENSITY_UINT16:
2943 case MESA_FORMAT_INTENSITY_UINT32:
2944 case MESA_FORMAT_INTENSITY_INT8:
2945 case MESA_FORMAT_INTENSITY_INT16:
2946 case MESA_FORMAT_INTENSITY_INT32:
2947 return GL_FALSE;
2948
2949 case MESA_FORMAT_LUMINANCE_UINT8:
2950 case MESA_FORMAT_LUMINANCE_UINT16:
2951 case MESA_FORMAT_LUMINANCE_UINT32:
2952 case MESA_FORMAT_LUMINANCE_INT8:
2953 case MESA_FORMAT_LUMINANCE_INT16:
2954 case MESA_FORMAT_LUMINANCE_INT32:
2955 return GL_FALSE;
2956
2957 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
2958 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
2959 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
2960 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
2961 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
2962 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
2963 return GL_FALSE;
2964
2965 case MESA_FORMAT_R_INT8:
2966 case MESA_FORMAT_RG_INT8:
2967 case MESA_FORMAT_RGB_INT8:
2968 case MESA_FORMAT_RGBA_INT8:
2969 case MESA_FORMAT_R_INT16:
2970 case MESA_FORMAT_RG_INT16:
2971 case MESA_FORMAT_RGB_INT16:
2972 case MESA_FORMAT_RGBA_INT16:
2973 case MESA_FORMAT_R_INT32:
2974 case MESA_FORMAT_RG_INT32:
2975 case MESA_FORMAT_RGB_INT32:
2976 case MESA_FORMAT_RGBA_INT32:
2977 return GL_FALSE;
2978
2979 case MESA_FORMAT_R_UINT8:
2980 case MESA_FORMAT_RG_UINT8:
2981 case MESA_FORMAT_RGB_UINT8:
2982 case MESA_FORMAT_RGBA_UINT8:
2983 case MESA_FORMAT_R_UINT16:
2984 case MESA_FORMAT_RG_UINT16:
2985 case MESA_FORMAT_RGB_UINT16:
2986 case MESA_FORMAT_RGBA_UINT16:
2987 case MESA_FORMAT_R_UINT32:
2988 case MESA_FORMAT_RG_UINT32:
2989 case MESA_FORMAT_RGB_UINT32:
2990 case MESA_FORMAT_RGBA_UINT32:
2991 return GL_FALSE;
2992
2993 case MESA_FORMAT_DUDV8:
2994 case MESA_FORMAT_SIGNED_R8:
2995 case MESA_FORMAT_SIGNED_RG88_REV:
2996 case MESA_FORMAT_SIGNED_RGBX8888:
2997 return GL_FALSE;
2998
2999 case MESA_FORMAT_SIGNED_RGBA8888:
3000 if (format == GL_RGBA && type == GL_BYTE && !littleEndian)
3001 return GL_TRUE;
3002
3003 if (format == GL_ABGR_EXT && type == GL_BYTE && littleEndian)
3004 return GL_TRUE;
3005
3006 return GL_FALSE;
3007
3008 case MESA_FORMAT_SIGNED_RGBA8888_REV:
3009 if (format == GL_RGBA && type == GL_BYTE && littleEndian)
3010 return GL_TRUE;
3011
3012 if (format == GL_ABGR_EXT && type == GL_BYTE && !littleEndian)
3013 return GL_TRUE;
3014
3015 return GL_FALSE;
3016
3017 case MESA_FORMAT_SIGNED_R16:
3018 case MESA_FORMAT_SIGNED_GR1616:
3019 case MESA_FORMAT_SIGNED_RGB_16:
3020 case MESA_FORMAT_SIGNED_RGBA_16:
3021 case MESA_FORMAT_RGBA_16:
3022 /* FINISHME: SNORM */
3023 return GL_FALSE;
3024
3025 case MESA_FORMAT_RED_RGTC1:
3026 case MESA_FORMAT_SIGNED_RED_RGTC1:
3027 case MESA_FORMAT_RG_RGTC2:
3028 case MESA_FORMAT_SIGNED_RG_RGTC2:
3029 return GL_FALSE;
3030
3031 case MESA_FORMAT_L_LATC1:
3032 case MESA_FORMAT_SIGNED_L_LATC1:
3033 case MESA_FORMAT_LA_LATC2:
3034 case MESA_FORMAT_SIGNED_LA_LATC2:
3035 return GL_FALSE;
3036
3037 case MESA_FORMAT_ETC1_RGB8:
3038 case MESA_FORMAT_ETC2_RGB8:
3039 case MESA_FORMAT_ETC2_SRGB8:
3040 case MESA_FORMAT_ETC2_RGBA8_EAC:
3041 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
3042 case MESA_FORMAT_ETC2_R11_EAC:
3043 case MESA_FORMAT_ETC2_RG11_EAC:
3044 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
3045 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
3046 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
3047 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
3048 return GL_FALSE;
3049
3050 case MESA_FORMAT_SIGNED_A8:
3051 case MESA_FORMAT_SIGNED_L8:
3052 case MESA_FORMAT_SIGNED_AL88:
3053 case MESA_FORMAT_SIGNED_I8:
3054 case MESA_FORMAT_SIGNED_A16:
3055 case MESA_FORMAT_SIGNED_L16:
3056 case MESA_FORMAT_SIGNED_AL1616:
3057 case MESA_FORMAT_SIGNED_I16:
3058 /* FINISHME: SNORM */
3059 return GL_FALSE;
3060
3061 case MESA_FORMAT_ARGB2101010_UINT:
3062 return (format == GL_BGRA_INTEGER_EXT &&
3063 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3064 !swapBytes);
3065
3066 case MESA_FORMAT_ABGR2101010_UINT:
3067 return (format == GL_RGBA_INTEGER_EXT &&
3068 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3069 !swapBytes);
3070
3071 case MESA_FORMAT_RGB9_E5_FLOAT:
3072 return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
3073 !swapBytes;
3074
3075 case MESA_FORMAT_R11_G11_B10_FLOAT:
3076 return format == GL_RGB && type == GL_UNSIGNED_INT_10F_11F_11F_REV &&
3077 !swapBytes;
3078
3079 case MESA_FORMAT_Z32_FLOAT:
3080 return format == GL_DEPTH_COMPONENT && type == GL_FLOAT && !swapBytes;
3081
3082 case MESA_FORMAT_Z32_FLOAT_X24S8:
3083 return GL_FALSE;
3084 }
3085
3086 return GL_FALSE;
3087 }
3088