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mesa: add MESA_FORMAT_B8G8R8X8_SRGB
[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 mesa_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_A8B8G8R8_UNORM, /* Name */
92 "MESA_FORMAT_A8B8G8R8_UNORM", /* 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_R8G8B8A8_UNORM, /* Name */
101 "MESA_FORMAT_R8G8B8A8_UNORM", /* 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_B8G8R8A8_UNORM, /* Name */
110 "MESA_FORMAT_B8G8R8A8_UNORM", /* 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_A8R8G8B8_UNORM, /* Name */
119 "MESA_FORMAT_A8R8G8B8_UNORM", /* 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_X8B8G8R8_UNORM, /* Name */
128 "MESA_FORMAT_X8B8G8R8_UNORM", /* 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_R8G8B8X8_UNORM, /* Name */
137 "MESA_FORMAT_R8G8B8X8_UNORM", /* 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_B8G8R8X8_UNORM, /* Name */
146 "MESA_FORMAT_B8G8R8X8_UNORM", /* 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_X8R8G8B8_UNORM, /* Name */
155 "MESA_FORMAT_X8R8G8B8_UNORM", /* 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_BGR_UNORM8, /* Name */
164 "MESA_FORMAT_BGR_UNORM8", /* 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_RGB_UNORM8, /* Name */
173 "MESA_FORMAT_RGB_UNORM8", /* 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_B5G6R5_UNORM, /* Name */
182 "MESA_FORMAT_B5G6R5_UNORM", /* 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_R5G6B5_UNORM, /* Name */
191 "MESA_FORMAT_R5G6B5_UNORM", /* 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_B4G4R4A4_UNORM, /* Name */
200 "MESA_FORMAT_B4G4R4A4_UNORM", /* 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_A4R4G4B4_UNORM, /* Name */
209 "MESA_FORMAT_A4R4G4B4_UNORM", /* 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_A1B5G5R5_UNORM, /* Name */
218 "MESA_FORMAT_A1B5G5R5_UNORM", /* 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_B5G5R5A1_UNORM, /* Name */
227 "MESA_FORMAT_B5G5R5A1_UNORM", /* 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_A1R5G5B5_UNORM, /* Name */
236 "MESA_FORMAT_A1R5G5B5_UNORM", /* 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_L4A4_UNORM, /* Name */
245 "MESA_FORMAT_L4A4_UNORM", /* 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_L8A8_UNORM, /* Name */
254 "MESA_FORMAT_L8A8_UNORM", /* 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_A8L8_UNORM, /* Name */
263 "MESA_FORMAT_A8L8_UNORM", /* 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_L16A16_UNORM, /* Name */
272 "MESA_FORMAT_L16A16_UNORM", /* 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_A16L16_UNORM, /* Name */
281 "MESA_FORMAT_A16L16_UNORM", /* 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_B2G3R3_UNORM, /* Name */
290 "MESA_FORMAT_B2G3R3_UNORM", /* 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_A_UNORM8, /* Name */
299 "MESA_FORMAT_A_UNORM8", /* 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_A_UNORM16, /* Name */
308 "MESA_FORMAT_A_UNORM16", /* 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_L_UNORM8, /* Name */
317 "MESA_FORMAT_L_UNORM8", /* 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_L_UNORM16, /* Name */
326 "MESA_FORMAT_L_UNORM16", /* 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_I_UNORM8, /* Name */
335 "MESA_FORMAT_I_UNORM8", /* 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_I_UNORM16, /* Name */
344 "MESA_FORMAT_I_UNORM16", /* 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_R_UNORM8,
371 "MESA_FORMAT_R_UNORM8",
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_R8G8_UNORM,
380 "MESA_FORMAT_R8G8_UNORM",
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_G8R8_UNORM,
389 "MESA_FORMAT_G8R8_UNORM",
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_R_UNORM16,
398 "MESA_FORMAT_R_UNORM16",
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_R16G16_UNORM,
407 "MESA_FORMAT_R16G16_UNORM",
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_G16R16_UNORM,
416 "MESA_FORMAT_G16R16_UNORM",
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_B10G10R10A2_UNORM,
425 "MESA_FORMAT_B10G10R10A2_UNORM",
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_S8_UINT_Z24_UNORM, /* Name */
434 "MESA_FORMAT_S8_UINT_Z24_UNORM", /* 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_Z24_UNORM_S8_UINT, /* Name */
443 "MESA_FORMAT_Z24_UNORM_S8_UINT", /* 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_Z_UNORM16, /* Name */
452 "MESA_FORMAT_Z_UNORM16", /* 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_Z24_UNORM_X8_UINT, /* Name */
461 "MESA_FORMAT_Z24_UNORM_X8_UINT", /* 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_X8Z24_UNORM, /* Name */
470 "MESA_FORMAT_X8Z24_UNORM", /* 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_Z_UNORM32, /* Name */
479 "MESA_FORMAT_Z_UNORM32", /* 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_S_UINT8, /* Name */
488 "MESA_FORMAT_S_UINT8", /* 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_BGR_SRGB8,
497 "MESA_FORMAT_BGR_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_A8B8G8R8_SRGB,
506 "MESA_FORMAT_A8B8G8R8_SRGB",
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_B8G8R8A8_SRGB,
515 "MESA_FORMAT_B8G8R8A8_SRGB",
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_L_SRGB8,
524 "MESA_FORMAT_L_SRGB8",
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_L8A8_SRGB,
533 "MESA_FORMAT_L8A8_SRGB",
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_A_FLOAT32,
670 "MESA_FORMAT_A_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_A_FLOAT16,
679 "MESA_FORMAT_A_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_L_FLOAT32,
688 "MESA_FORMAT_L_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_L_FLOAT16,
697 "MESA_FORMAT_L_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_LA_FLOAT32,
706 "MESA_FORMAT_LA_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_LA_FLOAT16,
715 "MESA_FORMAT_LA_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_I_FLOAT32,
724 "MESA_FORMAT_I_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_I_FLOAT16,
733 "MESA_FORMAT_I_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_A_UINT8,
781 "MESA_FORMAT_A_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_A_UINT16,
790 "MESA_FORMAT_A_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_A_UINT32,
799 "MESA_FORMAT_A_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_A_SINT8,
808 "MESA_FORMAT_A_SINT8",
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_A_SINT16,
817 "MESA_FORMAT_A_SINT16",
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_A_SINT32,
826 "MESA_FORMAT_A_SINT32",
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_I_UINT8,
835 "MESA_FORMAT_I_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_I_UINT16,
844 "MESA_FORMAT_I_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_I_UINT32,
853 "MESA_FORMAT_I_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_I_SINT8,
862 "MESA_FORMAT_I_SINT8",
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_I_SINT16,
871 "MESA_FORMAT_I_SINT16",
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_I_SINT32,
880 "MESA_FORMAT_I_SINT32",
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_L_UINT8,
889 "MESA_FORMAT_L_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_L_UINT16,
898 "MESA_FORMAT_L_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_L_UINT32,
907 "MESA_FORMAT_L_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_L_SINT8,
916 "MESA_FORMAT_L_SINT8",
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_L_SINT16,
925 "MESA_FORMAT_L_SINT16",
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_L_SINT32,
934 "MESA_FORMAT_L_SINT32",
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_LA_UINT8,
943 "MESA_FORMAT_LA_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_LA_UINT16,
952 "MESA_FORMAT_LA_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_LA_UINT32,
961 "MESA_FORMAT_LA_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_LA_SINT8,
970 "MESA_FORMAT_LA_SINT8",
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_LA_SINT16,
979 "MESA_FORMAT_LA_SINT16",
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_LA_SINT32,
988 "MESA_FORMAT_LA_SINT32",
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_SINT8,
998 "MESA_FORMAT_R_SINT8",
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_SINT8,
1007 "MESA_FORMAT_RG_SINT8",
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_SINT8,
1016 "MESA_FORMAT_RGB_SINT8",
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_SINT8,
1025 "MESA_FORMAT_RGBA_SINT8",
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_SINT16,
1034 "MESA_FORMAT_R_SINT16",
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_SINT16,
1043 "MESA_FORMAT_RG_SINT16",
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_SINT16,
1052 "MESA_FORMAT_RGB_SINT16",
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_SINT16,
1061 "MESA_FORMAT_RGBA_SINT16",
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_SINT32,
1070 "MESA_FORMAT_R_SINT32",
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_SINT32,
1079 "MESA_FORMAT_RG_SINT32",
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_SINT32,
1088 "MESA_FORMAT_RGB_SINT32",
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_SINT32,
1097 "MESA_FORMAT_RGBA_SINT32",
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_R_SNORM8, /* Name */
1227 "MESA_FORMAT_R_SNORM8", /* 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_R8G8_SNORM,
1236 "MESA_FORMAT_R8G8_SNORM",
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_X8B8G8R8_SNORM,
1245 "MESA_FORMAT_X8B8G8R8_SNORM",
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_A8B8G8R8_SNORM,
1254 "MESA_FORMAT_A8B8G8R8_SNORM",
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_R8G8B8A8_SNORM,
1263 "MESA_FORMAT_R8G8B8A8_SNORM",
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_R_SNORM16,
1274 "MESA_FORMAT_R_SNORM16",
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_R16G16_SNORM,
1283 "MESA_FORMAT_R16G16_SNORM",
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_RGB_SNORM16,
1292 "MESA_FORMAT_RGB_SNORM16",
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_RGBA_SNORM16,
1301 "MESA_FORMAT_RGBA_SNORM16",
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_UNORM16,
1310 "MESA_FORMAT_RGBA_UNORM16",
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_R_RGTC1_UNORM,
1319 "MESA_FORMAT_R_RGTC1_UNORM",
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_R_RGTC1_SNORM,
1328 "MESA_FORMAT_R_RGTC1_SNORM",
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_UNORM,
1337 "MESA_FORMAT_RG_RGTC2_UNORM",
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_RG_RGTC2_SNORM,
1346 "MESA_FORMAT_RG_RGTC2_SNORM",
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_UNORM,
1355 "MESA_FORMAT_L_LATC1_UNORM",
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_L_LATC1_SNORM,
1364 "MESA_FORMAT_L_LATC1_SNORM",
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_UNORM,
1373 "MESA_FORMAT_LA_LATC2_UNORM",
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_LA_LATC2_SNORM,
1382 "MESA_FORMAT_LA_LATC2_SNORM",
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_A_SNORM8,
1503 "MESA_FORMAT_A_SNORM8",
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_L_SNORM8,
1512 "MESA_FORMAT_L_SNORM8",
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_L8A8_SNORM,
1521 "MESA_FORMAT_L8A8_SNORM",
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_I_SNORM8,
1530 "MESA_FORMAT_I_SNORM8",
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_A_SNORM16,
1539 "MESA_FORMAT_A_SNORM16",
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_L_SNORM16,
1548 "MESA_FORMAT_L_SNORM16",
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_LA_SNORM16,
1557 "MESA_FORMAT_LA_SNORM16",
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_I_SNORM16,
1566 "MESA_FORMAT_I_SNORM16",
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_R9G9B9E5_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_R11G11B10_FLOAT,
1584 "MESA_FORMAT_R11G11B10_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_Z_FLOAT32, /* Name */
1594 "MESA_FORMAT_Z_FLOAT32", /* 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_S8X24_UINT, /* Name */
1603 "MESA_FORMAT_Z32_FLOAT_S8X24_UINT", /* 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_B10G10R10A2_UINT,
1615 "MESA_FORMAT_B10G10R10A2_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_R10G10B10A2_UINT,
1624 "MESA_FORMAT_R10G10B10A2_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_B4G4R4X4_UNORM,
1633 "MESA_FORMAT_B4G4R4X4_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_B5G5R5X1_UNORM,
1642 "MESA_FORMAT_B5G5R5X1_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_R8G8B8X8_SNORM,
1651 "MESA_FORMAT_R8G8B8X8_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_R8G8B8X8_SRGB,
1660 "MESA_FORMAT_R8G8B8X8_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_RGBX_UINT8,
1669 "MESA_FORMAT_RGBX_UINT8",
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_RGBX_SINT8,
1678 "MESA_FORMAT_RGBX_SINT8",
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_B10G10R10X2_UNORM,
1687 "MESA_FORMAT_B10G10R10X2_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_RGBX_UNORM16,
1696 "MESA_FORMAT_RGBX_UNORM16",
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_RGBX_SNORM16,
1705 "MESA_FORMAT_RGBX_SNORM16",
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_RGBX_FLOAT16,
1714 "MESA_FORMAT_RGBX_FLOAT16",
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_RGBX_UINT16,
1723 "MESA_FORMAT_RGBX_UINT16",
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_RGBX_SINT16,
1732 "MESA_FORMAT_RGBX_SINT16",
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_RGBX_FLOAT32,
1741 "MESA_FORMAT_RGBX_FLOAT32",
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_RGBX_UINT32,
1750 "MESA_FORMAT_RGBX_UINT32",
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_RGBX_SINT32,
1759 "MESA_FORMAT_RGBX_SINT32",
1760 GL_RGB,
1761 GL_INT,
1762 32, 32, 32, 0,
1763 0, 0, 0, 0, 0,
1764 1, 1, 16
1765 },
1766 {
1767 MESA_FORMAT_R10G10B10A2_UNORM,
1768 "MESA_FORMAT_R10G10B10A2_UNORM",
1769 GL_RGBA,
1770 GL_UNSIGNED_NORMALIZED,
1771 10, 10, 10, 2,
1772 0, 0, 0, 0, 0,
1773 1, 1, 4
1774 },
1775 {
1776 MESA_FORMAT_G8R8_SNORM,
1777 "MESA_FORMAT_G8R8_SNORM",
1778 GL_RG,
1779 GL_SIGNED_NORMALIZED,
1780 8, 8, 0, 0,
1781 0, 0, 0, 0, 0,
1782 1, 1, 2
1783 },
1784 {
1785 MESA_FORMAT_G16R16_SNORM,
1786 "MESA_FORMAT_G16R16_SNORM",
1787 GL_RG,
1788 GL_SIGNED_NORMALIZED,
1789 16, 16, 0, 0,
1790 0, 0, 0, 0, 0,
1791 1, 1, 4
1792 },
1793 {
1794 MESA_FORMAT_B8G8R8X8_SRGB,
1795 "MESA_FORMAT_B8G8R8X8_SRGB",
1796 GL_RGB,
1797 GL_UNSIGNED_NORMALIZED,
1798 8, 8, 8, 0,
1799 0, 0, 0, 0, 0,
1800 1, 1, 4
1801 },
1802 };
1803
1804
1805
1806 static const struct gl_format_info *
1807 _mesa_get_format_info(mesa_format format)
1808 {
1809 const struct gl_format_info *info = &format_info[format];
1810 assert(info->Name == format);
1811 return info;
1812 }
1813
1814
1815 /** Return string name of format (for debugging) */
1816 const char *
1817 _mesa_get_format_name(mesa_format format)
1818 {
1819 const struct gl_format_info *info = _mesa_get_format_info(format);
1820 return info->StrName;
1821 }
1822
1823
1824
1825 /**
1826 * Return bytes needed to store a block of pixels in the given format.
1827 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1828 * a block may be 4x4 or 8x4, etc.
1829 *
1830 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1831 */
1832 GLint
1833 _mesa_get_format_bytes(mesa_format format)
1834 {
1835 const struct gl_format_info *info = _mesa_get_format_info(format);
1836 ASSERT(info->BytesPerBlock);
1837 ASSERT(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
1838 _mesa_is_format_compressed(format));
1839 return info->BytesPerBlock;
1840 }
1841
1842
1843 /**
1844 * Return bits per component for the given format.
1845 * \param format one of MESA_FORMAT_x
1846 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1847 */
1848 GLint
1849 _mesa_get_format_bits(mesa_format format, GLenum pname)
1850 {
1851 const struct gl_format_info *info = _mesa_get_format_info(format);
1852
1853 switch (pname) {
1854 case GL_RED_BITS:
1855 case GL_TEXTURE_RED_SIZE:
1856 case GL_RENDERBUFFER_RED_SIZE_EXT:
1857 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
1858 return info->RedBits;
1859 case GL_GREEN_BITS:
1860 case GL_TEXTURE_GREEN_SIZE:
1861 case GL_RENDERBUFFER_GREEN_SIZE_EXT:
1862 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
1863 return info->GreenBits;
1864 case GL_BLUE_BITS:
1865 case GL_TEXTURE_BLUE_SIZE:
1866 case GL_RENDERBUFFER_BLUE_SIZE_EXT:
1867 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
1868 return info->BlueBits;
1869 case GL_ALPHA_BITS:
1870 case GL_TEXTURE_ALPHA_SIZE:
1871 case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
1872 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
1873 return info->AlphaBits;
1874 case GL_TEXTURE_INTENSITY_SIZE:
1875 return info->IntensityBits;
1876 case GL_TEXTURE_LUMINANCE_SIZE:
1877 return info->LuminanceBits;
1878 case GL_INDEX_BITS:
1879 return info->IndexBits;
1880 case GL_DEPTH_BITS:
1881 case GL_TEXTURE_DEPTH_SIZE_ARB:
1882 case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
1883 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
1884 return info->DepthBits;
1885 case GL_STENCIL_BITS:
1886 case GL_TEXTURE_STENCIL_SIZE_EXT:
1887 case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
1888 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
1889 return info->StencilBits;
1890 default:
1891 _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
1892 return 0;
1893 }
1894 }
1895
1896
1897 GLuint
1898 _mesa_get_format_max_bits(mesa_format format)
1899 {
1900 const struct gl_format_info *info = _mesa_get_format_info(format);
1901 GLuint max = MAX2(info->RedBits, info->GreenBits);
1902 max = MAX2(max, info->BlueBits);
1903 max = MAX2(max, info->AlphaBits);
1904 max = MAX2(max, info->LuminanceBits);
1905 max = MAX2(max, info->IntensityBits);
1906 max = MAX2(max, info->DepthBits);
1907 max = MAX2(max, info->StencilBits);
1908 return max;
1909 }
1910
1911
1912 /**
1913 * Return the data type (or more specifically, the data representation)
1914 * for the given format.
1915 * The return value will be one of:
1916 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1917 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1918 * GL_UNSIGNED_INT = an ordinary unsigned integer
1919 * GL_INT = an ordinary signed integer
1920 * GL_FLOAT = an ordinary float
1921 */
1922 GLenum
1923 _mesa_get_format_datatype(mesa_format format)
1924 {
1925 const struct gl_format_info *info = _mesa_get_format_info(format);
1926 return info->DataType;
1927 }
1928
1929
1930 /**
1931 * Return the basic format for the given type. The result will be one of
1932 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1933 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1934 */
1935 GLenum
1936 _mesa_get_format_base_format(mesa_format format)
1937 {
1938 const struct gl_format_info *info = _mesa_get_format_info(format);
1939 return info->BaseFormat;
1940 }
1941
1942
1943 /**
1944 * Return the block size (in pixels) for the given format. Normally
1945 * the block size is 1x1. But compressed formats will have block sizes
1946 * of 4x4 or 8x4 pixels, etc.
1947 * \param bw returns block width in pixels
1948 * \param bh returns block height in pixels
1949 */
1950 void
1951 _mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh)
1952 {
1953 const struct gl_format_info *info = _mesa_get_format_info(format);
1954 *bw = info->BlockWidth;
1955 *bh = info->BlockHeight;
1956 }
1957
1958
1959 /** Is the given format a compressed format? */
1960 GLboolean
1961 _mesa_is_format_compressed(mesa_format format)
1962 {
1963 const struct gl_format_info *info = _mesa_get_format_info(format);
1964 return info->BlockWidth > 1 || info->BlockHeight > 1;
1965 }
1966
1967
1968 /**
1969 * Determine if the given format represents a packed depth/stencil buffer.
1970 */
1971 GLboolean
1972 _mesa_is_format_packed_depth_stencil(mesa_format format)
1973 {
1974 const struct gl_format_info *info = _mesa_get_format_info(format);
1975
1976 return info->BaseFormat == GL_DEPTH_STENCIL;
1977 }
1978
1979
1980 /**
1981 * Is the given format a signed/unsigned integer color format?
1982 */
1983 GLboolean
1984 _mesa_is_format_integer_color(mesa_format format)
1985 {
1986 const struct gl_format_info *info = _mesa_get_format_info(format);
1987 return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
1988 info->BaseFormat != GL_DEPTH_COMPONENT &&
1989 info->BaseFormat != GL_DEPTH_STENCIL &&
1990 info->BaseFormat != GL_STENCIL_INDEX;
1991 }
1992
1993
1994 /**
1995 * Is the given format an unsigned integer format?
1996 */
1997 GLboolean
1998 _mesa_is_format_unsigned(mesa_format format)
1999 {
2000 const struct gl_format_info *info = _mesa_get_format_info(format);
2001 return _mesa_is_type_unsigned(info->DataType);
2002 }
2003
2004
2005 /**
2006 * Does the given format store signed values?
2007 */
2008 GLboolean
2009 _mesa_is_format_signed(mesa_format format)
2010 {
2011 if (format == MESA_FORMAT_R11G11B10_FLOAT ||
2012 format == MESA_FORMAT_R9G9B9E5_FLOAT) {
2013 /* these packed float formats only store unsigned values */
2014 return GL_FALSE;
2015 }
2016 else {
2017 const struct gl_format_info *info = _mesa_get_format_info(format);
2018 return (info->DataType == GL_SIGNED_NORMALIZED ||
2019 info->DataType == GL_INT ||
2020 info->DataType == GL_FLOAT);
2021 }
2022 }
2023
2024
2025 /**
2026 * Return color encoding for given format.
2027 * \return GL_LINEAR or GL_SRGB
2028 */
2029 GLenum
2030 _mesa_get_format_color_encoding(mesa_format format)
2031 {
2032 /* XXX this info should be encoded in gl_format_info */
2033 switch (format) {
2034 case MESA_FORMAT_BGR_SRGB8:
2035 case MESA_FORMAT_A8B8G8R8_SRGB:
2036 case MESA_FORMAT_B8G8R8A8_SRGB:
2037 case MESA_FORMAT_L_SRGB8:
2038 case MESA_FORMAT_L8A8_SRGB:
2039 case MESA_FORMAT_SRGB_DXT1:
2040 case MESA_FORMAT_SRGBA_DXT1:
2041 case MESA_FORMAT_SRGBA_DXT3:
2042 case MESA_FORMAT_SRGBA_DXT5:
2043 case MESA_FORMAT_R8G8B8X8_SRGB:
2044 case MESA_FORMAT_ETC2_SRGB8:
2045 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2046 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2047 case MESA_FORMAT_B8G8R8X8_SRGB:
2048 return GL_SRGB;
2049 default:
2050 return GL_LINEAR;
2051 }
2052 }
2053
2054
2055 /**
2056 * For an sRGB format, return the corresponding linear color space format.
2057 * For non-sRGB formats, return the format as-is.
2058 */
2059 mesa_format
2060 _mesa_get_srgb_format_linear(mesa_format format)
2061 {
2062 switch (format) {
2063 case MESA_FORMAT_BGR_SRGB8:
2064 format = MESA_FORMAT_BGR_UNORM8;
2065 break;
2066 case MESA_FORMAT_A8B8G8R8_SRGB:
2067 format = MESA_FORMAT_A8B8G8R8_UNORM;
2068 break;
2069 case MESA_FORMAT_B8G8R8A8_SRGB:
2070 format = MESA_FORMAT_B8G8R8A8_UNORM;
2071 break;
2072 case MESA_FORMAT_L_SRGB8:
2073 format = MESA_FORMAT_L_UNORM8;
2074 break;
2075 case MESA_FORMAT_L8A8_SRGB:
2076 format = MESA_FORMAT_L8A8_UNORM;
2077 break;
2078 case MESA_FORMAT_SRGB_DXT1:
2079 format = MESA_FORMAT_RGB_DXT1;
2080 break;
2081 case MESA_FORMAT_SRGBA_DXT1:
2082 format = MESA_FORMAT_RGBA_DXT1;
2083 break;
2084 case MESA_FORMAT_SRGBA_DXT3:
2085 format = MESA_FORMAT_RGBA_DXT3;
2086 break;
2087 case MESA_FORMAT_SRGBA_DXT5:
2088 format = MESA_FORMAT_RGBA_DXT5;
2089 break;
2090 case MESA_FORMAT_R8G8B8X8_SRGB:
2091 format = MESA_FORMAT_R8G8B8X8_UNORM;
2092 break;
2093 case MESA_FORMAT_ETC2_SRGB8:
2094 format = MESA_FORMAT_ETC2_RGB8;
2095 break;
2096 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2097 format = MESA_FORMAT_ETC2_RGBA8_EAC;
2098 break;
2099 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2100 format = MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
2101 break;
2102 case MESA_FORMAT_B8G8R8X8_SRGB:
2103 format = MESA_FORMAT_B8G8R8X8_UNORM;
2104 break;
2105 default:
2106 break;
2107 }
2108 return format;
2109 }
2110
2111
2112 /**
2113 * If the given format is a compressed format, return a corresponding
2114 * uncompressed format.
2115 */
2116 mesa_format
2117 _mesa_get_uncompressed_format(mesa_format format)
2118 {
2119 switch (format) {
2120 case MESA_FORMAT_RGB_FXT1:
2121 return MESA_FORMAT_BGR_UNORM8;
2122 case MESA_FORMAT_RGBA_FXT1:
2123 return MESA_FORMAT_A8B8G8R8_UNORM;
2124 case MESA_FORMAT_RGB_DXT1:
2125 case MESA_FORMAT_SRGB_DXT1:
2126 return MESA_FORMAT_BGR_UNORM8;
2127 case MESA_FORMAT_RGBA_DXT1:
2128 case MESA_FORMAT_SRGBA_DXT1:
2129 return MESA_FORMAT_A8B8G8R8_UNORM;
2130 case MESA_FORMAT_RGBA_DXT3:
2131 case MESA_FORMAT_SRGBA_DXT3:
2132 return MESA_FORMAT_A8B8G8R8_UNORM;
2133 case MESA_FORMAT_RGBA_DXT5:
2134 case MESA_FORMAT_SRGBA_DXT5:
2135 return MESA_FORMAT_A8B8G8R8_UNORM;
2136 case MESA_FORMAT_R_RGTC1_UNORM:
2137 return MESA_FORMAT_R_UNORM8;
2138 case MESA_FORMAT_R_RGTC1_SNORM:
2139 return MESA_FORMAT_R_SNORM8;
2140 case MESA_FORMAT_RG_RGTC2_UNORM:
2141 return MESA_FORMAT_R8G8_UNORM;
2142 case MESA_FORMAT_RG_RGTC2_SNORM:
2143 return MESA_FORMAT_R8G8_SNORM;
2144 case MESA_FORMAT_L_LATC1_UNORM:
2145 return MESA_FORMAT_L_UNORM8;
2146 case MESA_FORMAT_L_LATC1_SNORM:
2147 return MESA_FORMAT_L_SNORM8;
2148 case MESA_FORMAT_LA_LATC2_UNORM:
2149 return MESA_FORMAT_L8A8_UNORM;
2150 case MESA_FORMAT_LA_LATC2_SNORM:
2151 return MESA_FORMAT_L8A8_SNORM;
2152 case MESA_FORMAT_ETC1_RGB8:
2153 case MESA_FORMAT_ETC2_RGB8:
2154 case MESA_FORMAT_ETC2_SRGB8:
2155 return MESA_FORMAT_BGR_UNORM8;
2156 case MESA_FORMAT_ETC2_RGBA8_EAC:
2157 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2158 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2159 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2160 return MESA_FORMAT_A8B8G8R8_UNORM;
2161 case MESA_FORMAT_ETC2_R11_EAC:
2162 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2163 return MESA_FORMAT_R_UNORM16;
2164 case MESA_FORMAT_ETC2_RG11_EAC:
2165 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2166 return MESA_FORMAT_R16G16_UNORM;
2167 default:
2168 #ifdef DEBUG
2169 assert(!_mesa_is_format_compressed(format));
2170 #endif
2171 return format;
2172 }
2173 }
2174
2175
2176 GLuint
2177 _mesa_format_num_components(mesa_format format)
2178 {
2179 const struct gl_format_info *info = _mesa_get_format_info(format);
2180 return ((info->RedBits > 0) +
2181 (info->GreenBits > 0) +
2182 (info->BlueBits > 0) +
2183 (info->AlphaBits > 0) +
2184 (info->LuminanceBits > 0) +
2185 (info->IntensityBits > 0) +
2186 (info->DepthBits > 0) +
2187 (info->StencilBits > 0));
2188 }
2189
2190
2191 /**
2192 * Return number of bytes needed to store an image of the given size
2193 * in the given format.
2194 */
2195 GLuint
2196 _mesa_format_image_size(mesa_format format, GLsizei width,
2197 GLsizei height, GLsizei depth)
2198 {
2199 const struct gl_format_info *info = _mesa_get_format_info(format);
2200 /* Strictly speaking, a conditional isn't needed here */
2201 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2202 /* compressed format (2D only for now) */
2203 const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
2204 const GLuint wblocks = (width + bw - 1) / bw;
2205 const GLuint hblocks = (height + bh - 1) / bh;
2206 const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
2207 return sz * depth;
2208 }
2209 else {
2210 /* non-compressed */
2211 const GLuint sz = width * height * depth * info->BytesPerBlock;
2212 return sz;
2213 }
2214 }
2215
2216
2217 /**
2218 * Same as _mesa_format_image_size() but returns a 64-bit value to
2219 * accomodate very large textures.
2220 */
2221 uint64_t
2222 _mesa_format_image_size64(mesa_format format, GLsizei width,
2223 GLsizei height, GLsizei depth)
2224 {
2225 const struct gl_format_info *info = _mesa_get_format_info(format);
2226 /* Strictly speaking, a conditional isn't needed here */
2227 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2228 /* compressed format (2D only for now) */
2229 const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
2230 const uint64_t wblocks = (width + bw - 1) / bw;
2231 const uint64_t hblocks = (height + bh - 1) / bh;
2232 const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
2233 return sz * depth;
2234 }
2235 else {
2236 /* non-compressed */
2237 const uint64_t sz = ((uint64_t) width *
2238 (uint64_t) height *
2239 (uint64_t) depth *
2240 info->BytesPerBlock);
2241 return sz;
2242 }
2243 }
2244
2245
2246
2247 GLint
2248 _mesa_format_row_stride(mesa_format format, GLsizei width)
2249 {
2250 const struct gl_format_info *info = _mesa_get_format_info(format);
2251 /* Strictly speaking, a conditional isn't needed here */
2252 if (info->BlockWidth > 1 || info->BlockHeight > 1) {
2253 /* compressed format */
2254 const GLuint bw = info->BlockWidth;
2255 const GLuint wblocks = (width + bw - 1) / bw;
2256 const GLint stride = wblocks * info->BytesPerBlock;
2257 return stride;
2258 }
2259 else {
2260 const GLint stride = width * info->BytesPerBlock;
2261 return stride;
2262 }
2263 }
2264
2265
2266 /**
2267 * Debug/test: check that all formats are handled in the
2268 * _mesa_format_to_type_and_comps() function. When new pixel formats
2269 * are added to Mesa, that function needs to be updated.
2270 * This is a no-op after the first call.
2271 */
2272 static void
2273 check_format_to_type_and_comps(void)
2274 {
2275 mesa_format f;
2276
2277 for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
2278 GLenum datatype = 0;
2279 GLuint comps = 0;
2280 /* This function will emit a problem/warning if the format is
2281 * not handled.
2282 */
2283 _mesa_format_to_type_and_comps(f, &datatype, &comps);
2284 }
2285 }
2286
2287
2288 /**
2289 * Do sanity checking of the format info table.
2290 */
2291 void
2292 _mesa_test_formats(void)
2293 {
2294 GLuint i;
2295
2296 STATIC_ASSERT(Elements(format_info) == MESA_FORMAT_COUNT);
2297
2298 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
2299 const struct gl_format_info *info = _mesa_get_format_info(i);
2300 assert(info);
2301
2302 assert(info->Name == i);
2303
2304 if (info->Name == MESA_FORMAT_NONE)
2305 continue;
2306
2307 if (info->BlockWidth == 1 && info->BlockHeight == 1) {
2308 if (info->RedBits > 0) {
2309 GLuint t = info->RedBits + info->GreenBits
2310 + info->BlueBits + info->AlphaBits;
2311 assert(t / 8 <= info->BytesPerBlock);
2312 (void) t;
2313 }
2314 }
2315
2316 assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
2317 info->DataType == GL_SIGNED_NORMALIZED ||
2318 info->DataType == GL_UNSIGNED_INT ||
2319 info->DataType == GL_INT ||
2320 info->DataType == GL_FLOAT ||
2321 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2322 info->DataType == GL_NONE);
2323
2324 if (info->BaseFormat == GL_RGB) {
2325 assert(info->RedBits > 0);
2326 assert(info->GreenBits > 0);
2327 assert(info->BlueBits > 0);
2328 assert(info->AlphaBits == 0);
2329 assert(info->LuminanceBits == 0);
2330 assert(info->IntensityBits == 0);
2331 }
2332 else if (info->BaseFormat == GL_RGBA) {
2333 assert(info->RedBits > 0);
2334 assert(info->GreenBits > 0);
2335 assert(info->BlueBits > 0);
2336 assert(info->AlphaBits > 0);
2337 assert(info->LuminanceBits == 0);
2338 assert(info->IntensityBits == 0);
2339 }
2340 else if (info->BaseFormat == GL_RG) {
2341 assert(info->RedBits > 0);
2342 assert(info->GreenBits > 0);
2343 assert(info->BlueBits == 0);
2344 assert(info->AlphaBits == 0);
2345 assert(info->LuminanceBits == 0);
2346 assert(info->IntensityBits == 0);
2347 }
2348 else if (info->BaseFormat == GL_RED) {
2349 assert(info->RedBits > 0);
2350 assert(info->GreenBits == 0);
2351 assert(info->BlueBits == 0);
2352 assert(info->AlphaBits == 0);
2353 assert(info->LuminanceBits == 0);
2354 assert(info->IntensityBits == 0);
2355 }
2356 else if (info->BaseFormat == GL_LUMINANCE) {
2357 assert(info->RedBits == 0);
2358 assert(info->GreenBits == 0);
2359 assert(info->BlueBits == 0);
2360 assert(info->AlphaBits == 0);
2361 assert(info->LuminanceBits > 0);
2362 assert(info->IntensityBits == 0);
2363 }
2364 else if (info->BaseFormat == GL_INTENSITY) {
2365 assert(info->RedBits == 0);
2366 assert(info->GreenBits == 0);
2367 assert(info->BlueBits == 0);
2368 assert(info->AlphaBits == 0);
2369 assert(info->LuminanceBits == 0);
2370 assert(info->IntensityBits > 0);
2371 }
2372 }
2373
2374 check_format_to_type_and_comps();
2375 }
2376
2377
2378
2379 /**
2380 * Return datatype and number of components per texel for the given mesa_format.
2381 * Only used for mipmap generation code.
2382 */
2383 void
2384 _mesa_format_to_type_and_comps(mesa_format format,
2385 GLenum *datatype, GLuint *comps)
2386 {
2387 switch (format) {
2388 case MESA_FORMAT_A8B8G8R8_UNORM:
2389 case MESA_FORMAT_R8G8B8A8_UNORM:
2390 case MESA_FORMAT_B8G8R8A8_UNORM:
2391 case MESA_FORMAT_A8R8G8B8_UNORM:
2392 case MESA_FORMAT_X8B8G8R8_UNORM:
2393 case MESA_FORMAT_R8G8B8X8_UNORM:
2394 case MESA_FORMAT_B8G8R8X8_UNORM:
2395 case MESA_FORMAT_X8R8G8B8_UNORM:
2396 *datatype = GL_UNSIGNED_BYTE;
2397 *comps = 4;
2398 return;
2399 case MESA_FORMAT_BGR_UNORM8:
2400 case MESA_FORMAT_RGB_UNORM8:
2401 *datatype = GL_UNSIGNED_BYTE;
2402 *comps = 3;
2403 return;
2404 case MESA_FORMAT_B5G6R5_UNORM:
2405 case MESA_FORMAT_R5G6B5_UNORM:
2406 *datatype = GL_UNSIGNED_SHORT_5_6_5;
2407 *comps = 3;
2408 return;
2409
2410 case MESA_FORMAT_B4G4R4A4_UNORM:
2411 case MESA_FORMAT_A4R4G4B4_UNORM:
2412 case MESA_FORMAT_B4G4R4X4_UNORM:
2413 *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
2414 *comps = 4;
2415 return;
2416
2417 case MESA_FORMAT_B5G5R5A1_UNORM:
2418 case MESA_FORMAT_A1R5G5B5_UNORM:
2419 case MESA_FORMAT_B5G5R5X1_UNORM:
2420 *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
2421 *comps = 4;
2422 return;
2423
2424 case MESA_FORMAT_B10G10R10A2_UNORM:
2425 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2426 *comps = 4;
2427 return;
2428
2429 case MESA_FORMAT_A1B5G5R5_UNORM:
2430 *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
2431 *comps = 4;
2432 return;
2433
2434 case MESA_FORMAT_L4A4_UNORM:
2435 *datatype = MESA_UNSIGNED_BYTE_4_4;
2436 *comps = 2;
2437 return;
2438
2439 case MESA_FORMAT_L8A8_UNORM:
2440 case MESA_FORMAT_A8L8_UNORM:
2441 case MESA_FORMAT_R8G8_UNORM:
2442 case MESA_FORMAT_G8R8_UNORM:
2443 *datatype = GL_UNSIGNED_BYTE;
2444 *comps = 2;
2445 return;
2446
2447 case MESA_FORMAT_L16A16_UNORM:
2448 case MESA_FORMAT_A16L16_UNORM:
2449 case MESA_FORMAT_R16G16_UNORM:
2450 case MESA_FORMAT_G16R16_UNORM:
2451 *datatype = GL_UNSIGNED_SHORT;
2452 *comps = 2;
2453 return;
2454
2455 case MESA_FORMAT_R_UNORM16:
2456 case MESA_FORMAT_A_UNORM16:
2457 case MESA_FORMAT_L_UNORM16:
2458 case MESA_FORMAT_I_UNORM16:
2459 *datatype = GL_UNSIGNED_SHORT;
2460 *comps = 1;
2461 return;
2462
2463 case MESA_FORMAT_B2G3R3_UNORM:
2464 *datatype = GL_UNSIGNED_BYTE_3_3_2;
2465 *comps = 3;
2466 return;
2467
2468 case MESA_FORMAT_A_UNORM8:
2469 case MESA_FORMAT_L_UNORM8:
2470 case MESA_FORMAT_I_UNORM8:
2471 case MESA_FORMAT_R_UNORM8:
2472 case MESA_FORMAT_S_UINT8:
2473 *datatype = GL_UNSIGNED_BYTE;
2474 *comps = 1;
2475 return;
2476
2477 case MESA_FORMAT_YCBCR:
2478 case MESA_FORMAT_YCBCR_REV:
2479 *datatype = GL_UNSIGNED_SHORT;
2480 *comps = 2;
2481 return;
2482
2483 case MESA_FORMAT_S8_UINT_Z24_UNORM:
2484 *datatype = GL_UNSIGNED_INT_24_8_MESA;
2485 *comps = 2;
2486 return;
2487
2488 case MESA_FORMAT_Z24_UNORM_S8_UINT:
2489 *datatype = GL_UNSIGNED_INT_8_24_REV_MESA;
2490 *comps = 2;
2491 return;
2492
2493 case MESA_FORMAT_Z_UNORM16:
2494 *datatype = GL_UNSIGNED_SHORT;
2495 *comps = 1;
2496 return;
2497
2498 case MESA_FORMAT_Z24_UNORM_X8_UINT:
2499 *datatype = GL_UNSIGNED_INT;
2500 *comps = 1;
2501 return;
2502
2503 case MESA_FORMAT_X8Z24_UNORM:
2504 *datatype = GL_UNSIGNED_INT;
2505 *comps = 1;
2506 return;
2507
2508 case MESA_FORMAT_Z_UNORM32:
2509 *datatype = GL_UNSIGNED_INT;
2510 *comps = 1;
2511 return;
2512
2513 case MESA_FORMAT_Z_FLOAT32:
2514 *datatype = GL_FLOAT;
2515 *comps = 1;
2516 return;
2517
2518 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
2519 *datatype = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
2520 *comps = 1;
2521 return;
2522
2523 case MESA_FORMAT_DUDV8:
2524 *datatype = GL_BYTE;
2525 *comps = 2;
2526 return;
2527
2528 case MESA_FORMAT_R_SNORM8:
2529 case MESA_FORMAT_A_SNORM8:
2530 case MESA_FORMAT_L_SNORM8:
2531 case MESA_FORMAT_I_SNORM8:
2532 *datatype = GL_BYTE;
2533 *comps = 1;
2534 return;
2535 case MESA_FORMAT_R8G8_SNORM:
2536 case MESA_FORMAT_L8A8_SNORM:
2537 *datatype = GL_BYTE;
2538 *comps = 2;
2539 return;
2540 case MESA_FORMAT_A8B8G8R8_SNORM:
2541 case MESA_FORMAT_R8G8B8A8_SNORM:
2542 case MESA_FORMAT_X8B8G8R8_SNORM:
2543 *datatype = GL_BYTE;
2544 *comps = 4;
2545 return;
2546
2547 case MESA_FORMAT_RGBA_UNORM16:
2548 *datatype = GL_UNSIGNED_SHORT;
2549 *comps = 4;
2550 return;
2551
2552 case MESA_FORMAT_R_SNORM16:
2553 case MESA_FORMAT_A_SNORM16:
2554 case MESA_FORMAT_L_SNORM16:
2555 case MESA_FORMAT_I_SNORM16:
2556 *datatype = GL_SHORT;
2557 *comps = 1;
2558 return;
2559 case MESA_FORMAT_R16G16_SNORM:
2560 case MESA_FORMAT_LA_SNORM16:
2561 *datatype = GL_SHORT;
2562 *comps = 2;
2563 return;
2564 case MESA_FORMAT_RGB_SNORM16:
2565 *datatype = GL_SHORT;
2566 *comps = 3;
2567 return;
2568 case MESA_FORMAT_RGBA_SNORM16:
2569 *datatype = GL_SHORT;
2570 *comps = 4;
2571 return;
2572
2573 case MESA_FORMAT_BGR_SRGB8:
2574 *datatype = GL_UNSIGNED_BYTE;
2575 *comps = 3;
2576 return;
2577 case MESA_FORMAT_A8B8G8R8_SRGB:
2578 case MESA_FORMAT_B8G8R8A8_SRGB:
2579 *datatype = GL_UNSIGNED_BYTE;
2580 *comps = 4;
2581 return;
2582 case MESA_FORMAT_L_SRGB8:
2583 *datatype = GL_UNSIGNED_BYTE;
2584 *comps = 1;
2585 return;
2586 case MESA_FORMAT_L8A8_SRGB:
2587 *datatype = GL_UNSIGNED_BYTE;
2588 *comps = 2;
2589 return;
2590
2591 case MESA_FORMAT_RGB_FXT1:
2592 case MESA_FORMAT_RGBA_FXT1:
2593 case MESA_FORMAT_RGB_DXT1:
2594 case MESA_FORMAT_RGBA_DXT1:
2595 case MESA_FORMAT_RGBA_DXT3:
2596 case MESA_FORMAT_RGBA_DXT5:
2597 case MESA_FORMAT_SRGB_DXT1:
2598 case MESA_FORMAT_SRGBA_DXT1:
2599 case MESA_FORMAT_SRGBA_DXT3:
2600 case MESA_FORMAT_SRGBA_DXT5:
2601 case MESA_FORMAT_R_RGTC1_UNORM:
2602 case MESA_FORMAT_R_RGTC1_SNORM:
2603 case MESA_FORMAT_RG_RGTC2_UNORM:
2604 case MESA_FORMAT_RG_RGTC2_SNORM:
2605 case MESA_FORMAT_L_LATC1_UNORM:
2606 case MESA_FORMAT_L_LATC1_SNORM:
2607 case MESA_FORMAT_LA_LATC2_UNORM:
2608 case MESA_FORMAT_LA_LATC2_SNORM:
2609 case MESA_FORMAT_ETC1_RGB8:
2610 case MESA_FORMAT_ETC2_RGB8:
2611 case MESA_FORMAT_ETC2_SRGB8:
2612 case MESA_FORMAT_ETC2_RGBA8_EAC:
2613 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
2614 case MESA_FORMAT_ETC2_R11_EAC:
2615 case MESA_FORMAT_ETC2_RG11_EAC:
2616 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
2617 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
2618 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
2619 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
2620 /* XXX generate error instead? */
2621 *datatype = GL_UNSIGNED_BYTE;
2622 *comps = 0;
2623 return;
2624
2625 case MESA_FORMAT_RGBA_FLOAT32:
2626 *datatype = GL_FLOAT;
2627 *comps = 4;
2628 return;
2629 case MESA_FORMAT_RGBA_FLOAT16:
2630 *datatype = GL_HALF_FLOAT_ARB;
2631 *comps = 4;
2632 return;
2633 case MESA_FORMAT_RGB_FLOAT32:
2634 *datatype = GL_FLOAT;
2635 *comps = 3;
2636 return;
2637 case MESA_FORMAT_RGB_FLOAT16:
2638 *datatype = GL_HALF_FLOAT_ARB;
2639 *comps = 3;
2640 return;
2641 case MESA_FORMAT_LA_FLOAT32:
2642 case MESA_FORMAT_RG_FLOAT32:
2643 *datatype = GL_FLOAT;
2644 *comps = 2;
2645 return;
2646 case MESA_FORMAT_LA_FLOAT16:
2647 case MESA_FORMAT_RG_FLOAT16:
2648 *datatype = GL_HALF_FLOAT_ARB;
2649 *comps = 2;
2650 return;
2651 case MESA_FORMAT_A_FLOAT32:
2652 case MESA_FORMAT_L_FLOAT32:
2653 case MESA_FORMAT_I_FLOAT32:
2654 case MESA_FORMAT_R_FLOAT32:
2655 *datatype = GL_FLOAT;
2656 *comps = 1;
2657 return;
2658 case MESA_FORMAT_A_FLOAT16:
2659 case MESA_FORMAT_L_FLOAT16:
2660 case MESA_FORMAT_I_FLOAT16:
2661 case MESA_FORMAT_R_FLOAT16:
2662 *datatype = GL_HALF_FLOAT_ARB;
2663 *comps = 1;
2664 return;
2665
2666 case MESA_FORMAT_A_UINT8:
2667 case MESA_FORMAT_L_UINT8:
2668 case MESA_FORMAT_I_UINT8:
2669 *datatype = GL_UNSIGNED_BYTE;
2670 *comps = 1;
2671 return;
2672 case MESA_FORMAT_LA_UINT8:
2673 *datatype = GL_UNSIGNED_BYTE;
2674 *comps = 2;
2675 return;
2676
2677 case MESA_FORMAT_A_UINT16:
2678 case MESA_FORMAT_L_UINT16:
2679 case MESA_FORMAT_I_UINT16:
2680 *datatype = GL_UNSIGNED_SHORT;
2681 *comps = 1;
2682 return;
2683 case MESA_FORMAT_LA_UINT16:
2684 *datatype = GL_UNSIGNED_SHORT;
2685 *comps = 2;
2686 return;
2687 case MESA_FORMAT_A_UINT32:
2688 case MESA_FORMAT_L_UINT32:
2689 case MESA_FORMAT_I_UINT32:
2690 *datatype = GL_UNSIGNED_INT;
2691 *comps = 1;
2692 return;
2693 case MESA_FORMAT_LA_UINT32:
2694 *datatype = GL_UNSIGNED_INT;
2695 *comps = 2;
2696 return;
2697 case MESA_FORMAT_A_SINT8:
2698 case MESA_FORMAT_L_SINT8:
2699 case MESA_FORMAT_I_SINT8:
2700 *datatype = GL_BYTE;
2701 *comps = 1;
2702 return;
2703 case MESA_FORMAT_LA_SINT8:
2704 *datatype = GL_BYTE;
2705 *comps = 2;
2706 return;
2707
2708 case MESA_FORMAT_A_SINT16:
2709 case MESA_FORMAT_L_SINT16:
2710 case MESA_FORMAT_I_SINT16:
2711 *datatype = GL_SHORT;
2712 *comps = 1;
2713 return;
2714 case MESA_FORMAT_LA_SINT16:
2715 *datatype = GL_SHORT;
2716 *comps = 2;
2717 return;
2718
2719 case MESA_FORMAT_A_SINT32:
2720 case MESA_FORMAT_L_SINT32:
2721 case MESA_FORMAT_I_SINT32:
2722 *datatype = GL_INT;
2723 *comps = 1;
2724 return;
2725 case MESA_FORMAT_LA_SINT32:
2726 *datatype = GL_INT;
2727 *comps = 2;
2728 return;
2729
2730 case MESA_FORMAT_R_SINT8:
2731 *datatype = GL_BYTE;
2732 *comps = 1;
2733 return;
2734 case MESA_FORMAT_RG_SINT8:
2735 *datatype = GL_BYTE;
2736 *comps = 2;
2737 return;
2738 case MESA_FORMAT_RGB_SINT8:
2739 *datatype = GL_BYTE;
2740 *comps = 3;
2741 return;
2742 case MESA_FORMAT_RGBA_SINT8:
2743 *datatype = GL_BYTE;
2744 *comps = 4;
2745 return;
2746 case MESA_FORMAT_R_SINT16:
2747 *datatype = GL_SHORT;
2748 *comps = 1;
2749 return;
2750 case MESA_FORMAT_RG_SINT16:
2751 *datatype = GL_SHORT;
2752 *comps = 2;
2753 return;
2754 case MESA_FORMAT_RGB_SINT16:
2755 *datatype = GL_SHORT;
2756 *comps = 3;
2757 return;
2758 case MESA_FORMAT_RGBA_SINT16:
2759 *datatype = GL_SHORT;
2760 *comps = 4;
2761 return;
2762 case MESA_FORMAT_R_SINT32:
2763 *datatype = GL_INT;
2764 *comps = 1;
2765 return;
2766 case MESA_FORMAT_RG_SINT32:
2767 *datatype = GL_INT;
2768 *comps = 2;
2769 return;
2770 case MESA_FORMAT_RGB_SINT32:
2771 *datatype = GL_INT;
2772 *comps = 3;
2773 return;
2774 case MESA_FORMAT_RGBA_SINT32:
2775 *datatype = GL_INT;
2776 *comps = 4;
2777 return;
2778
2779 /**
2780 * \name Non-normalized unsigned integer formats.
2781 */
2782 case MESA_FORMAT_R_UINT8:
2783 *datatype = GL_UNSIGNED_BYTE;
2784 *comps = 1;
2785 return;
2786 case MESA_FORMAT_RG_UINT8:
2787 *datatype = GL_UNSIGNED_BYTE;
2788 *comps = 2;
2789 return;
2790 case MESA_FORMAT_RGB_UINT8:
2791 *datatype = GL_UNSIGNED_BYTE;
2792 *comps = 3;
2793 return;
2794 case MESA_FORMAT_RGBA_UINT8:
2795 *datatype = GL_UNSIGNED_BYTE;
2796 *comps = 4;
2797 return;
2798 case MESA_FORMAT_R_UINT16:
2799 *datatype = GL_UNSIGNED_SHORT;
2800 *comps = 1;
2801 return;
2802 case MESA_FORMAT_RG_UINT16:
2803 *datatype = GL_UNSIGNED_SHORT;
2804 *comps = 2;
2805 return;
2806 case MESA_FORMAT_RGB_UINT16:
2807 *datatype = GL_UNSIGNED_SHORT;
2808 *comps = 3;
2809 return;
2810 case MESA_FORMAT_RGBA_UINT16:
2811 *datatype = GL_UNSIGNED_SHORT;
2812 *comps = 4;
2813 return;
2814 case MESA_FORMAT_R_UINT32:
2815 *datatype = GL_UNSIGNED_INT;
2816 *comps = 1;
2817 return;
2818 case MESA_FORMAT_RG_UINT32:
2819 *datatype = GL_UNSIGNED_INT;
2820 *comps = 2;
2821 return;
2822 case MESA_FORMAT_RGB_UINT32:
2823 *datatype = GL_UNSIGNED_INT;
2824 *comps = 3;
2825 return;
2826 case MESA_FORMAT_RGBA_UINT32:
2827 *datatype = GL_UNSIGNED_INT;
2828 *comps = 4;
2829 return;
2830
2831 case MESA_FORMAT_R9G9B9E5_FLOAT:
2832 *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
2833 *comps = 3;
2834 return;
2835
2836 case MESA_FORMAT_R11G11B10_FLOAT:
2837 *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
2838 *comps = 3;
2839 return;
2840
2841 case MESA_FORMAT_B10G10R10A2_UINT:
2842 case MESA_FORMAT_R10G10B10A2_UINT:
2843 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2844 *comps = 4;
2845 return;
2846
2847 case MESA_FORMAT_R8G8B8X8_SRGB:
2848 case MESA_FORMAT_RGBX_UINT8:
2849 *datatype = GL_UNSIGNED_BYTE;
2850 *comps = 4;
2851 return;
2852
2853 case MESA_FORMAT_R8G8B8X8_SNORM:
2854 case MESA_FORMAT_RGBX_SINT8:
2855 *datatype = GL_BYTE;
2856 *comps = 4;
2857 return;
2858
2859 case MESA_FORMAT_B10G10R10X2_UNORM:
2860 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2861 *comps = 4;
2862 return;
2863
2864 case MESA_FORMAT_RGBX_UNORM16:
2865 case MESA_FORMAT_RGBX_UINT16:
2866 *datatype = GL_UNSIGNED_SHORT;
2867 *comps = 4;
2868 return;
2869
2870 case MESA_FORMAT_RGBX_SNORM16:
2871 case MESA_FORMAT_RGBX_SINT16:
2872 *datatype = GL_SHORT;
2873 *comps = 4;
2874 return;
2875
2876 case MESA_FORMAT_RGBX_FLOAT16:
2877 *datatype = GL_HALF_FLOAT;
2878 *comps = 4;
2879 return;
2880
2881 case MESA_FORMAT_RGBX_FLOAT32:
2882 *datatype = GL_FLOAT;
2883 *comps = 4;
2884 return;
2885
2886 case MESA_FORMAT_RGBX_UINT32:
2887 *datatype = GL_UNSIGNED_INT;
2888 *comps = 4;
2889 return;
2890
2891 case MESA_FORMAT_RGBX_SINT32:
2892 *datatype = GL_INT;
2893 *comps = 4;
2894 return;
2895
2896 case MESA_FORMAT_R10G10B10A2_UNORM:
2897 *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
2898 *comps = 4;
2899 return;
2900
2901 case MESA_FORMAT_G8R8_SNORM:
2902 *datatype = GL_BYTE;
2903 *comps = 2;
2904 return;
2905
2906 case MESA_FORMAT_G16R16_SNORM:
2907 *datatype = GL_SHORT;
2908 *comps = 2;
2909 return;
2910
2911 case MESA_FORMAT_B8G8R8X8_SRGB:
2912 *datatype = GL_UNSIGNED_BYTE;
2913 *comps = 4;
2914 return;
2915
2916 case MESA_FORMAT_COUNT:
2917 assert(0);
2918 return;
2919
2920 case MESA_FORMAT_NONE:
2921 /* For debug builds, warn if any formats are not handled */
2922 #ifdef DEBUG
2923 default:
2924 #endif
2925 _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
2926 _mesa_get_format_name(format));
2927 *datatype = 0;
2928 *comps = 1;
2929 }
2930 }
2931
2932 /**
2933 * Check if a mesa_format exactly matches a GL format/type combination
2934 * such that we can use memcpy() from one to the other.
2935 * \param mesa_format a MESA_FORMAT_x value
2936 * \param format the user-specified image format
2937 * \param type the user-specified image datatype
2938 * \param swapBytes typically the current pixel pack/unpack byteswap state
2939 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2940 */
2941 GLboolean
2942 _mesa_format_matches_format_and_type(mesa_format mesa_format,
2943 GLenum format, GLenum type,
2944 GLboolean swapBytes)
2945 {
2946 const GLboolean littleEndian = _mesa_little_endian();
2947
2948 /* Note: When reading a GL format/type combination, the format lists channel
2949 * assignments from most significant channel in the type to least
2950 * significant. A type with _REV indicates that the assignments are
2951 * swapped, so they are listed from least significant to most significant.
2952 *
2953 * For sanity, please keep this switch statement ordered the same as the
2954 * enums in formats.h.
2955 */
2956
2957 switch (mesa_format) {
2958
2959 case MESA_FORMAT_NONE:
2960 case MESA_FORMAT_COUNT:
2961 return GL_FALSE;
2962
2963 case MESA_FORMAT_A8B8G8R8_UNORM:
2964 case MESA_FORMAT_A8B8G8R8_SRGB:
2965 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
2966 return GL_TRUE;
2967
2968 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
2969 return GL_TRUE;
2970
2971 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && !littleEndian)
2972 return GL_TRUE;
2973
2974 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV
2975 && !swapBytes)
2976 return GL_TRUE;
2977
2978 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8
2979 && swapBytes)
2980 return GL_TRUE;
2981
2982 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && littleEndian)
2983 return GL_TRUE;
2984
2985 return GL_FALSE;
2986
2987 case MESA_FORMAT_R8G8B8A8_UNORM:
2988 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
2989 !swapBytes)
2990 return GL_TRUE;
2991
2992 if (format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
2993 return GL_TRUE;
2994
2995 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE && littleEndian)
2996 return GL_TRUE;
2997
2998 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8 &&
2999 !swapBytes)
3000 return GL_TRUE;
3001
3002 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
3003 swapBytes)
3004 return GL_TRUE;
3005
3006 if (format == GL_ABGR_EXT && type == GL_UNSIGNED_BYTE && !littleEndian)
3007 return GL_TRUE;
3008
3009 return GL_FALSE;
3010
3011 case MESA_FORMAT_B8G8R8A8_UNORM:
3012 case MESA_FORMAT_B8G8R8A8_SRGB:
3013 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
3014 !swapBytes)
3015 return GL_TRUE;
3016
3017 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
3018 return GL_TRUE;
3019
3020 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && littleEndian)
3021 return GL_TRUE;
3022
3023 return GL_FALSE;
3024
3025 case MESA_FORMAT_A8R8G8B8_UNORM:
3026 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
3027 return GL_TRUE;
3028
3029 if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
3030 swapBytes)
3031 return GL_TRUE;
3032
3033 if (format == GL_BGRA && type == GL_UNSIGNED_BYTE && !littleEndian)
3034 return GL_TRUE;
3035
3036 return GL_FALSE;
3037
3038 case MESA_FORMAT_X8B8G8R8_UNORM:
3039 case MESA_FORMAT_R8G8B8X8_UNORM:
3040 return GL_FALSE;
3041
3042 case MESA_FORMAT_B8G8R8X8_UNORM:
3043 case MESA_FORMAT_X8R8G8B8_UNORM:
3044 return GL_FALSE;
3045
3046 case MESA_FORMAT_BGR_UNORM8:
3047 case MESA_FORMAT_BGR_SRGB8:
3048 return format == GL_BGR && type == GL_UNSIGNED_BYTE && littleEndian;
3049
3050 case MESA_FORMAT_RGB_UNORM8:
3051 return format == GL_RGB && type == GL_UNSIGNED_BYTE && littleEndian;
3052
3053 case MESA_FORMAT_B5G6R5_UNORM:
3054 return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 && !swapBytes;
3055
3056 case MESA_FORMAT_R5G6B5_UNORM:
3057 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
3058 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
3059 * according to formats.h, so they can't be matched.
3060 */
3061 return GL_FALSE;
3062
3063 case MESA_FORMAT_B4G4R4A4_UNORM:
3064 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
3065 !swapBytes;
3066
3067 case MESA_FORMAT_A4R4G4B4_UNORM:
3068 return GL_FALSE;
3069
3070 case MESA_FORMAT_A1B5G5R5_UNORM:
3071 return format == GL_RGBA && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
3072 !swapBytes;
3073
3074 case MESA_FORMAT_B5G5R5A1_UNORM:
3075 return format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
3076 !swapBytes;
3077
3078 case MESA_FORMAT_A1R5G5B5_UNORM:
3079 return GL_FALSE;
3080
3081 case MESA_FORMAT_L4A4_UNORM:
3082 return GL_FALSE;
3083 case MESA_FORMAT_L8A8_UNORM:
3084 case MESA_FORMAT_L8A8_SRGB:
3085 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE && littleEndian;
3086 case MESA_FORMAT_A8L8_UNORM:
3087 return GL_FALSE;
3088
3089 case MESA_FORMAT_L16A16_UNORM:
3090 return format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_SHORT && littleEndian && !swapBytes;
3091 case MESA_FORMAT_A16L16_UNORM:
3092 return GL_FALSE;
3093
3094 case MESA_FORMAT_B2G3R3_UNORM:
3095 return format == GL_RGB && type == GL_UNSIGNED_BYTE_3_3_2;
3096
3097 case MESA_FORMAT_A_UNORM8:
3098 return format == GL_ALPHA && type == GL_UNSIGNED_BYTE;
3099 case MESA_FORMAT_A_UNORM16:
3100 return format == GL_ALPHA && type == GL_UNSIGNED_SHORT && !swapBytes;
3101 case MESA_FORMAT_L_UNORM8:
3102 case MESA_FORMAT_L_SRGB8:
3103 return format == GL_LUMINANCE && type == GL_UNSIGNED_BYTE;
3104 case MESA_FORMAT_L_UNORM16:
3105 return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT && !swapBytes;
3106 case MESA_FORMAT_I_UNORM8:
3107 return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
3108 case MESA_FORMAT_I_UNORM16:
3109 return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT && !swapBytes;
3110
3111 case MESA_FORMAT_YCBCR:
3112 return format == GL_YCBCR_MESA &&
3113 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian != swapBytes) ||
3114 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian == swapBytes));
3115 case MESA_FORMAT_YCBCR_REV:
3116 return format == GL_YCBCR_MESA &&
3117 ((type == GL_UNSIGNED_SHORT_8_8_MESA && littleEndian == swapBytes) ||
3118 (type == GL_UNSIGNED_SHORT_8_8_REV_MESA && littleEndian != swapBytes));
3119
3120 case MESA_FORMAT_R_UNORM8:
3121 return format == GL_RED && type == GL_UNSIGNED_BYTE;
3122 case MESA_FORMAT_R8G8_UNORM:
3123 return format == GL_RG && type == GL_UNSIGNED_BYTE && littleEndian;
3124 case MESA_FORMAT_G8R8_UNORM:
3125 return GL_FALSE;
3126
3127 case MESA_FORMAT_R_UNORM16:
3128 return format == GL_RED && type == GL_UNSIGNED_SHORT &&
3129 !swapBytes;
3130 case MESA_FORMAT_R16G16_UNORM:
3131 return format == GL_RG && type == GL_UNSIGNED_SHORT && littleEndian &&
3132 !swapBytes;
3133 case MESA_FORMAT_G16R16_UNORM:
3134 return GL_FALSE;
3135
3136 case MESA_FORMAT_B10G10R10A2_UNORM:
3137 return format == GL_BGRA && type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3138 !swapBytes;
3139
3140 case MESA_FORMAT_S8_UINT_Z24_UNORM:
3141 return format == GL_DEPTH_STENCIL && type == GL_UNSIGNED_INT_24_8 &&
3142 !swapBytes;
3143 case MESA_FORMAT_X8Z24_UNORM:
3144 case MESA_FORMAT_Z24_UNORM_S8_UINT:
3145 return GL_FALSE;
3146
3147 case MESA_FORMAT_Z_UNORM16:
3148 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_SHORT &&
3149 !swapBytes;
3150
3151 case MESA_FORMAT_Z24_UNORM_X8_UINT:
3152 return GL_FALSE;
3153
3154 case MESA_FORMAT_Z_UNORM32:
3155 return format == GL_DEPTH_COMPONENT && type == GL_UNSIGNED_INT &&
3156 !swapBytes;
3157
3158 case MESA_FORMAT_S_UINT8:
3159 return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
3160
3161 case MESA_FORMAT_SRGB_DXT1:
3162 case MESA_FORMAT_SRGBA_DXT1:
3163 case MESA_FORMAT_SRGBA_DXT3:
3164 case MESA_FORMAT_SRGBA_DXT5:
3165 return GL_FALSE;
3166
3167 case MESA_FORMAT_RGB_FXT1:
3168 case MESA_FORMAT_RGBA_FXT1:
3169 case MESA_FORMAT_RGB_DXT1:
3170 case MESA_FORMAT_RGBA_DXT1:
3171 case MESA_FORMAT_RGBA_DXT3:
3172 case MESA_FORMAT_RGBA_DXT5:
3173 return GL_FALSE;
3174
3175 case MESA_FORMAT_RGBA_FLOAT32:
3176 return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
3177 case MESA_FORMAT_RGBA_FLOAT16:
3178 return format == GL_RGBA && type == GL_HALF_FLOAT && !swapBytes;
3179
3180 case MESA_FORMAT_RGB_FLOAT32:
3181 return format == GL_RGB && type == GL_FLOAT && !swapBytes;
3182 case MESA_FORMAT_RGB_FLOAT16:
3183 return format == GL_RGB && type == GL_HALF_FLOAT && !swapBytes;
3184
3185 case MESA_FORMAT_A_FLOAT32:
3186 return format == GL_ALPHA && type == GL_FLOAT && !swapBytes;
3187 case MESA_FORMAT_A_FLOAT16:
3188 return format == GL_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3189
3190 case MESA_FORMAT_L_FLOAT32:
3191 return format == GL_LUMINANCE && type == GL_FLOAT && !swapBytes;
3192 case MESA_FORMAT_L_FLOAT16:
3193 return format == GL_LUMINANCE && type == GL_HALF_FLOAT && !swapBytes;
3194
3195 case MESA_FORMAT_LA_FLOAT32:
3196 return format == GL_LUMINANCE_ALPHA && type == GL_FLOAT && !swapBytes;
3197 case MESA_FORMAT_LA_FLOAT16:
3198 return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
3199
3200 case MESA_FORMAT_I_FLOAT32:
3201 return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
3202 case MESA_FORMAT_I_FLOAT16:
3203 return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
3204
3205 case MESA_FORMAT_R_FLOAT32:
3206 return format == GL_RED && type == GL_FLOAT && !swapBytes;
3207 case MESA_FORMAT_R_FLOAT16:
3208 return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
3209
3210 case MESA_FORMAT_RG_FLOAT32:
3211 return format == GL_RG && type == GL_FLOAT && !swapBytes;
3212 case MESA_FORMAT_RG_FLOAT16:
3213 return format == GL_RG && type == GL_HALF_FLOAT && !swapBytes;
3214
3215 case MESA_FORMAT_A_UINT8:
3216 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_BYTE;
3217 case MESA_FORMAT_A_UINT16:
3218 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_SHORT &&
3219 !swapBytes;
3220 case MESA_FORMAT_A_UINT32:
3221 return format == GL_ALPHA_INTEGER && type == GL_UNSIGNED_INT &&
3222 !swapBytes;
3223 case MESA_FORMAT_A_SINT8:
3224 return format == GL_ALPHA_INTEGER && type == GL_BYTE;
3225 case MESA_FORMAT_A_SINT16:
3226 return format == GL_ALPHA_INTEGER && type == GL_SHORT && !swapBytes;
3227 case MESA_FORMAT_A_SINT32:
3228 return format == GL_ALPHA_INTEGER && type == GL_INT && !swapBytes;
3229
3230 case MESA_FORMAT_I_UINT8:
3231 case MESA_FORMAT_I_UINT16:
3232 case MESA_FORMAT_I_UINT32:
3233 case MESA_FORMAT_I_SINT8:
3234 case MESA_FORMAT_I_SINT16:
3235 case MESA_FORMAT_I_SINT32:
3236 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3237 return GL_FALSE;
3238
3239 case MESA_FORMAT_L_UINT8:
3240 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_BYTE;
3241 case MESA_FORMAT_L_UINT16:
3242 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_SHORT &&
3243 !swapBytes;
3244 case MESA_FORMAT_L_UINT32:
3245 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_INT &&
3246 !swapBytes;
3247 case MESA_FORMAT_L_SINT8:
3248 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_BYTE;
3249 case MESA_FORMAT_L_SINT16:
3250 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_SHORT &&
3251 !swapBytes;
3252 case MESA_FORMAT_L_SINT32:
3253 return format == GL_LUMINANCE_INTEGER_EXT && type == GL_INT && !swapBytes;
3254
3255 case MESA_FORMAT_LA_UINT8:
3256 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3257 type == GL_UNSIGNED_BYTE && !swapBytes;
3258 case MESA_FORMAT_LA_UINT16:
3259 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3260 type == GL_UNSIGNED_SHORT && !swapBytes;
3261 case MESA_FORMAT_LA_UINT32:
3262 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT &&
3263 type == GL_UNSIGNED_INT && !swapBytes;
3264 case MESA_FORMAT_LA_SINT8:
3265 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_BYTE &&
3266 !swapBytes;
3267 case MESA_FORMAT_LA_SINT16:
3268 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_SHORT &&
3269 !swapBytes;
3270 case MESA_FORMAT_LA_SINT32:
3271 return format == GL_LUMINANCE_ALPHA_INTEGER_EXT && type == GL_INT &&
3272 !swapBytes;
3273
3274 case MESA_FORMAT_R_SINT8:
3275 return format == GL_RED_INTEGER && type == GL_BYTE;
3276 case MESA_FORMAT_RG_SINT8:
3277 return format == GL_RG_INTEGER && type == GL_BYTE && !swapBytes;
3278 case MESA_FORMAT_RGB_SINT8:
3279 return format == GL_RGB_INTEGER && type == GL_BYTE && !swapBytes;
3280 case MESA_FORMAT_RGBA_SINT8:
3281 return format == GL_RGBA_INTEGER && type == GL_BYTE && !swapBytes;
3282 case MESA_FORMAT_R_SINT16:
3283 return format == GL_RED_INTEGER && type == GL_SHORT && !swapBytes;
3284 case MESA_FORMAT_RG_SINT16:
3285 return format == GL_RG_INTEGER && type == GL_SHORT && !swapBytes;
3286 case MESA_FORMAT_RGB_SINT16:
3287 return format == GL_RGB_INTEGER && type == GL_SHORT && !swapBytes;
3288 case MESA_FORMAT_RGBA_SINT16:
3289 return format == GL_RGBA_INTEGER && type == GL_SHORT && !swapBytes;
3290 case MESA_FORMAT_R_SINT32:
3291 return format == GL_RED_INTEGER && type == GL_INT && !swapBytes;
3292 case MESA_FORMAT_RG_SINT32:
3293 return format == GL_RG_INTEGER && type == GL_INT && !swapBytes;
3294 case MESA_FORMAT_RGB_SINT32:
3295 return format == GL_RGB_INTEGER && type == GL_INT && !swapBytes;
3296 case MESA_FORMAT_RGBA_SINT32:
3297 return format == GL_RGBA_INTEGER && type == GL_INT && !swapBytes;
3298
3299 case MESA_FORMAT_R_UINT8:
3300 return format == GL_RED_INTEGER && type == GL_UNSIGNED_BYTE;
3301 case MESA_FORMAT_RG_UINT8:
3302 return format == GL_RG_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3303 case MESA_FORMAT_RGB_UINT8:
3304 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE && !swapBytes;
3305 case MESA_FORMAT_RGBA_UINT8:
3306 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_BYTE &&
3307 !swapBytes;
3308 case MESA_FORMAT_R_UINT16:
3309 return format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT &&
3310 !swapBytes;
3311 case MESA_FORMAT_RG_UINT16:
3312 return format == GL_RG_INTEGER && type == GL_UNSIGNED_SHORT && !swapBytes;
3313 case MESA_FORMAT_RGB_UINT16:
3314 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT &&
3315 !swapBytes;
3316 case MESA_FORMAT_RGBA_UINT16:
3317 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT &&
3318 !swapBytes;
3319 case MESA_FORMAT_R_UINT32:
3320 return format == GL_RED_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3321 case MESA_FORMAT_RG_UINT32:
3322 return format == GL_RG_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3323 case MESA_FORMAT_RGB_UINT32:
3324 return format == GL_RGB_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3325 case MESA_FORMAT_RGBA_UINT32:
3326 return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
3327
3328 case MESA_FORMAT_DUDV8:
3329 return (format == GL_DU8DV8_ATI || format == GL_DUDV_ATI) &&
3330 type == GL_BYTE && littleEndian && !swapBytes;
3331
3332 case MESA_FORMAT_R_SNORM8:
3333 return format == GL_RED && type == GL_BYTE;
3334 case MESA_FORMAT_R8G8_SNORM:
3335 return format == GL_RG && type == GL_BYTE && littleEndian &&
3336 !swapBytes;
3337 case MESA_FORMAT_X8B8G8R8_SNORM:
3338 return GL_FALSE;
3339
3340 case MESA_FORMAT_A8B8G8R8_SNORM:
3341 if (format == GL_RGBA && type == GL_BYTE && !littleEndian)
3342 return GL_TRUE;
3343
3344 if (format == GL_ABGR_EXT && type == GL_BYTE && littleEndian)
3345 return GL_TRUE;
3346
3347 return GL_FALSE;
3348
3349 case MESA_FORMAT_R8G8B8A8_SNORM:
3350 if (format == GL_RGBA && type == GL_BYTE && littleEndian)
3351 return GL_TRUE;
3352
3353 if (format == GL_ABGR_EXT && type == GL_BYTE && !littleEndian)
3354 return GL_TRUE;
3355
3356 return GL_FALSE;
3357
3358 case MESA_FORMAT_R_SNORM16:
3359 return format == GL_RED && type == GL_SHORT &&
3360 !swapBytes;
3361 case MESA_FORMAT_R16G16_SNORM:
3362 return format == GL_RG && type == GL_SHORT && littleEndian && !swapBytes;
3363 case MESA_FORMAT_RGB_SNORM16:
3364 return format == GL_RGB && type == GL_SHORT && !swapBytes;
3365 case MESA_FORMAT_RGBA_SNORM16:
3366 return format == GL_RGBA && type == GL_SHORT && !swapBytes;
3367 case MESA_FORMAT_RGBA_UNORM16:
3368 return format == GL_RGBA && type == GL_UNSIGNED_SHORT &&
3369 !swapBytes;
3370
3371 case MESA_FORMAT_R_RGTC1_UNORM:
3372 case MESA_FORMAT_R_RGTC1_SNORM:
3373 case MESA_FORMAT_RG_RGTC2_UNORM:
3374 case MESA_FORMAT_RG_RGTC2_SNORM:
3375 return GL_FALSE;
3376
3377 case MESA_FORMAT_L_LATC1_UNORM:
3378 case MESA_FORMAT_L_LATC1_SNORM:
3379 case MESA_FORMAT_LA_LATC2_UNORM:
3380 case MESA_FORMAT_LA_LATC2_SNORM:
3381 return GL_FALSE;
3382
3383 case MESA_FORMAT_ETC1_RGB8:
3384 case MESA_FORMAT_ETC2_RGB8:
3385 case MESA_FORMAT_ETC2_SRGB8:
3386 case MESA_FORMAT_ETC2_RGBA8_EAC:
3387 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
3388 case MESA_FORMAT_ETC2_R11_EAC:
3389 case MESA_FORMAT_ETC2_RG11_EAC:
3390 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
3391 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
3392 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
3393 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
3394 return GL_FALSE;
3395
3396 case MESA_FORMAT_A_SNORM8:
3397 return format == GL_ALPHA && type == GL_BYTE;
3398 case MESA_FORMAT_L_SNORM8:
3399 return format == GL_LUMINANCE && type == GL_BYTE;
3400 case MESA_FORMAT_L8A8_SNORM:
3401 return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
3402 littleEndian && !swapBytes;
3403 case MESA_FORMAT_I_SNORM8:
3404 return format == GL_INTENSITY && type == GL_BYTE;
3405 case MESA_FORMAT_A_SNORM16:
3406 return format == GL_ALPHA && type == GL_SHORT && !swapBytes;
3407 case MESA_FORMAT_L_SNORM16:
3408 return format == GL_LUMINANCE && type == GL_SHORT && !swapBytes;
3409 case MESA_FORMAT_LA_SNORM16:
3410 return format == GL_LUMINANCE_ALPHA && type == GL_SHORT &&
3411 littleEndian && !swapBytes;
3412 case MESA_FORMAT_I_SNORM16:
3413 return format == GL_INTENSITY && type == GL_SHORT && littleEndian &&
3414 !swapBytes;
3415
3416 case MESA_FORMAT_B10G10R10A2_UINT:
3417 return (format == GL_BGRA_INTEGER_EXT &&
3418 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3419 !swapBytes);
3420
3421 case MESA_FORMAT_R10G10B10A2_UINT:
3422 return (format == GL_RGBA_INTEGER_EXT &&
3423 type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3424 !swapBytes);
3425
3426 case MESA_FORMAT_R9G9B9E5_FLOAT:
3427 return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
3428 !swapBytes;
3429
3430 case MESA_FORMAT_R11G11B10_FLOAT:
3431 return format == GL_RGB && type == GL_UNSIGNED_INT_10F_11F_11F_REV &&
3432 !swapBytes;
3433
3434 case MESA_FORMAT_Z_FLOAT32:
3435 return format == GL_DEPTH_COMPONENT && type == GL_FLOAT && !swapBytes;
3436
3437 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
3438 return format == GL_DEPTH_STENCIL &&
3439 type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && !swapBytes;
3440
3441 case MESA_FORMAT_B4G4R4X4_UNORM:
3442 case MESA_FORMAT_B5G5R5X1_UNORM:
3443 case MESA_FORMAT_R8G8B8X8_SNORM:
3444 case MESA_FORMAT_R8G8B8X8_SRGB:
3445 case MESA_FORMAT_RGBX_UINT8:
3446 case MESA_FORMAT_RGBX_SINT8:
3447 case MESA_FORMAT_B10G10R10X2_UNORM:
3448 case MESA_FORMAT_RGBX_UNORM16:
3449 case MESA_FORMAT_RGBX_SNORM16:
3450 case MESA_FORMAT_RGBX_FLOAT16:
3451 case MESA_FORMAT_RGBX_UINT16:
3452 case MESA_FORMAT_RGBX_SINT16:
3453 case MESA_FORMAT_RGBX_FLOAT32:
3454 case MESA_FORMAT_RGBX_UINT32:
3455 case MESA_FORMAT_RGBX_SINT32:
3456 return GL_FALSE;
3457
3458 case MESA_FORMAT_R10G10B10A2_UNORM:
3459 return format == GL_RGBA && type == GL_UNSIGNED_INT_2_10_10_10_REV &&
3460 !swapBytes;
3461
3462 case MESA_FORMAT_G8R8_SNORM:
3463 return format == GL_RG && type == GL_BYTE && !littleEndian &&
3464 !swapBytes;
3465
3466 case MESA_FORMAT_G16R16_SNORM:
3467 return format == GL_RG && type == GL_SHORT && !littleEndian &&
3468 !swapBytes;
3469
3470 case MESA_FORMAT_B8G8R8X8_SRGB:
3471 return GL_FALSE;
3472 }
3473
3474 return GL_FALSE;
3475 }
3476