2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (c) 2008-2009 VMware, Inc.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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.
30 #include "glformats.h"
34 * Information about texture formats.
40 /** text name for debugging */
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.
51 * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALIZED,
52 * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
60 GLubyte LuminanceBits
;
61 GLubyte IntensityBits
;
67 * To describe compressed formats. If not compressed, Width=Height=1.
69 GLubyte BlockWidth
, BlockHeight
;
70 GLubyte BytesPerBlock
;
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.
79 static struct gl_format_info format_info
[MESA_FORMAT_COUNT
] =
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
181 MESA_FORMAT_RGB565
, /* Name */
182 "MESA_FORMAT_RGB565", /* StrName */
183 GL_RGB
, /* BaseFormat */
184 GL_UNSIGNED_NORMALIZED
, /* DataType */
185 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
186 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
187 1, 1, 2 /* BlockWidth/Height,Bytes */
190 MESA_FORMAT_RGB565_REV
, /* Name */
191 "MESA_FORMAT_RGB565_REV", /* StrName */
192 GL_RGB
, /* BaseFormat */
193 GL_UNSIGNED_NORMALIZED
, /* DataType */
194 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
195 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
196 1, 1, 2 /* BlockWidth/Height,Bytes */
199 MESA_FORMAT_ARGB4444
, /* Name */
200 "MESA_FORMAT_ARGB4444", /* StrName */
201 GL_RGBA
, /* BaseFormat */
202 GL_UNSIGNED_NORMALIZED
, /* DataType */
203 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
204 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
205 1, 1, 2 /* BlockWidth/Height,Bytes */
208 MESA_FORMAT_ARGB4444_REV
, /* Name */
209 "MESA_FORMAT_ARGB4444_REV", /* StrName */
210 GL_RGBA
, /* BaseFormat */
211 GL_UNSIGNED_NORMALIZED
, /* DataType */
212 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
213 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
214 1, 1, 2 /* BlockWidth/Height,Bytes */
217 MESA_FORMAT_RGBA5551
, /* Name */
218 "MESA_FORMAT_RGBA5551", /* StrName */
219 GL_RGBA
, /* BaseFormat */
220 GL_UNSIGNED_NORMALIZED
, /* DataType */
221 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
222 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
223 1, 1, 2 /* BlockWidth/Height,Bytes */
226 MESA_FORMAT_ARGB1555
, /* Name */
227 "MESA_FORMAT_ARGB1555", /* StrName */
228 GL_RGBA
, /* BaseFormat */
229 GL_UNSIGNED_NORMALIZED
, /* DataType */
230 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
231 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
232 1, 1, 2 /* BlockWidth/Height,Bytes */
235 MESA_FORMAT_ARGB1555_REV
, /* Name */
236 "MESA_FORMAT_ARGB1555_REV", /* StrName */
237 GL_RGBA
, /* BaseFormat */
238 GL_UNSIGNED_NORMALIZED
, /* DataType */
239 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
240 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
241 1, 1, 2 /* BlockWidth/Height,Bytes */
244 MESA_FORMAT_AL44
, /* Name */
245 "MESA_FORMAT_AL44", /* StrName */
246 GL_LUMINANCE_ALPHA
, /* BaseFormat */
247 GL_UNSIGNED_NORMALIZED
, /* DataType */
248 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
249 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
250 1, 1, 1 /* BlockWidth/Height,Bytes */
253 MESA_FORMAT_AL88
, /* Name */
254 "MESA_FORMAT_AL88", /* StrName */
255 GL_LUMINANCE_ALPHA
, /* BaseFormat */
256 GL_UNSIGNED_NORMALIZED
, /* DataType */
257 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
258 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
259 1, 1, 2 /* BlockWidth/Height,Bytes */
262 MESA_FORMAT_AL88_REV
, /* Name */
263 "MESA_FORMAT_AL88_REV", /* StrName */
264 GL_LUMINANCE_ALPHA
, /* BaseFormat */
265 GL_UNSIGNED_NORMALIZED
, /* DataType */
266 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
267 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
268 1, 1, 2 /* BlockWidth/Height,Bytes */
271 MESA_FORMAT_AL1616
, /* Name */
272 "MESA_FORMAT_AL1616", /* StrName */
273 GL_LUMINANCE_ALPHA
, /* BaseFormat */
274 GL_UNSIGNED_NORMALIZED
, /* DataType */
275 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
276 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
277 1, 1, 4 /* BlockWidth/Height,Bytes */
280 MESA_FORMAT_AL1616_REV
, /* Name */
281 "MESA_FORMAT_AL1616_REV", /* StrName */
282 GL_LUMINANCE_ALPHA
, /* BaseFormat */
283 GL_UNSIGNED_NORMALIZED
, /* DataType */
284 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
285 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
286 1, 1, 4 /* BlockWidth/Height,Bytes */
289 MESA_FORMAT_RGB332
, /* Name */
290 "MESA_FORMAT_RGB332", /* StrName */
291 GL_RGB
, /* BaseFormat */
292 GL_UNSIGNED_NORMALIZED
, /* DataType */
293 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
294 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
295 1, 1, 1 /* BlockWidth/Height,Bytes */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
370 MESA_FORMAT_R_UNORM8
,
371 "MESA_FORMAT_R_UNORM8",
373 GL_UNSIGNED_NORMALIZED
,
382 GL_UNSIGNED_NORMALIZED
,
391 GL_UNSIGNED_NORMALIZED
,
397 MESA_FORMAT_R_UNORM16
,
398 "MESA_FORMAT_R_UNORM16",
400 GL_UNSIGNED_NORMALIZED
,
407 "MESA_FORMAT_GR1616",
409 GL_UNSIGNED_NORMALIZED
,
416 "MESA_FORMAT_RG1616",
418 GL_UNSIGNED_NORMALIZED
,
424 MESA_FORMAT_ARGB2101010
,
425 "MESA_FORMAT_ARGB2101010",
427 GL_UNSIGNED_NORMALIZED
,
433 MESA_FORMAT_Z24_S8
, /* Name */
434 "MESA_FORMAT_Z24_S8", /* StrName */
435 GL_DEPTH_STENCIL
, /* BaseFormat */
436 GL_UNSIGNED_NORMALIZED
, /* DataType */
437 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
438 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
439 1, 1, 4 /* BlockWidth/Height,Bytes */
442 MESA_FORMAT_S8_Z24
, /* Name */
443 "MESA_FORMAT_S8_Z24", /* StrName */
444 GL_DEPTH_STENCIL
, /* BaseFormat */
445 GL_UNSIGNED_NORMALIZED
, /* DataType */
446 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
447 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
448 1, 1, 4 /* BlockWidth/Height,Bytes */
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 */
460 MESA_FORMAT_X8_Z24
, /* Name */
461 "MESA_FORMAT_X8_Z24", /* StrName */
462 GL_DEPTH_COMPONENT
, /* BaseFormat */
463 GL_UNSIGNED_NORMALIZED
, /* DataType */
464 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
465 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
466 1, 1, 4 /* BlockWidth/Height,Bytes */
469 MESA_FORMAT_Z24_X8
, /* Name */
470 "MESA_FORMAT_Z24_X8", /* StrName */
471 GL_DEPTH_COMPONENT
, /* BaseFormat */
472 GL_UNSIGNED_NORMALIZED
, /* DataType */
473 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
474 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
475 1, 1, 4 /* BlockWidth/Height,Bytes */
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 */
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 */
496 MESA_FORMAT_BGR_SRGB8
,
497 "MESA_FORMAT_BGR_SRGB8",
499 GL_UNSIGNED_NORMALIZED
,
506 "MESA_FORMAT_SRGBA8",
508 GL_UNSIGNED_NORMALIZED
,
515 "MESA_FORMAT_SARGB8",
517 GL_UNSIGNED_NORMALIZED
,
524 "MESA_FORMAT_L_SRGB8",
526 GL_UNSIGNED_NORMALIZED
,
535 GL_UNSIGNED_NORMALIZED
,
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 */
550 MESA_FORMAT_SRGBA_DXT1
,
551 "MESA_FORMAT_SRGBA_DXT1",
553 GL_UNSIGNED_NORMALIZED
,
556 4, 4, 8 /* 8 bytes per 4x4 block */
559 MESA_FORMAT_SRGBA_DXT3
,
560 "MESA_FORMAT_SRGBA_DXT3",
562 GL_UNSIGNED_NORMALIZED
,
565 4, 4, 16 /* 16 bytes per 4x4 block */
568 MESA_FORMAT_SRGBA_DXT5
,
569 "MESA_FORMAT_SRGBA_DXT5",
571 GL_UNSIGNED_NORMALIZED
,
574 4, 4, 16 /* 16 bytes per 4x4 block */
578 MESA_FORMAT_RGB_FXT1
,
579 "MESA_FORMAT_RGB_FXT1",
581 GL_UNSIGNED_NORMALIZED
,
582 4, 4, 4, 0, /* approx Red/Green/BlueBits */
584 8, 4, 16 /* 16 bytes per 8x4 block */
587 MESA_FORMAT_RGBA_FXT1
,
588 "MESA_FORMAT_RGBA_FXT1",
590 GL_UNSIGNED_NORMALIZED
,
591 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
593 8, 4, 16 /* 16 bytes per 8x4 block */
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 */
606 MESA_FORMAT_RGBA_DXT1
,
607 "MESA_FORMAT_RGBA_DXT1",
609 GL_UNSIGNED_NORMALIZED
,
612 4, 4, 8 /* 8 bytes per 4x4 block */
615 MESA_FORMAT_RGBA_DXT3
,
616 "MESA_FORMAT_RGBA_DXT3",
618 GL_UNSIGNED_NORMALIZED
,
621 4, 4, 16 /* 16 bytes per 4x4 block */
624 MESA_FORMAT_RGBA_DXT5
,
625 "MESA_FORMAT_RGBA_DXT5",
627 GL_UNSIGNED_NORMALIZED
,
630 4, 4, 16 /* 16 bytes per 4x4 block */
633 MESA_FORMAT_RGBA_FLOAT32
,
634 "MESA_FORMAT_RGBA_FLOAT32",
642 MESA_FORMAT_RGBA_FLOAT16
,
643 "MESA_FORMAT_RGBA_FLOAT16",
651 MESA_FORMAT_RGB_FLOAT32
,
652 "MESA_FORMAT_RGB_FLOAT32",
660 MESA_FORMAT_RGB_FLOAT16
,
661 "MESA_FORMAT_RGB_FLOAT16",
669 MESA_FORMAT_ALPHA_FLOAT32
,
670 "MESA_FORMAT_ALPHA_FLOAT32",
678 MESA_FORMAT_ALPHA_FLOAT16
,
679 "MESA_FORMAT_ALPHA_FLOAT16",
687 MESA_FORMAT_LUMINANCE_FLOAT32
,
688 "MESA_FORMAT_LUMINANCE_FLOAT32",
696 MESA_FORMAT_LUMINANCE_FLOAT16
,
697 "MESA_FORMAT_LUMINANCE_FLOAT16",
705 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
,
706 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
714 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
,
715 "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
723 MESA_FORMAT_INTENSITY_FLOAT32
,
724 "MESA_FORMAT_INTENSITY_FLOAT32",
732 MESA_FORMAT_INTENSITY_FLOAT16
,
733 "MESA_FORMAT_INTENSITY_FLOAT16",
741 MESA_FORMAT_R_FLOAT32
,
742 "MESA_FORMAT_R_FLOAT32",
750 MESA_FORMAT_R_FLOAT16
,
751 "MESA_FORMAT_R_FLOAT16",
759 MESA_FORMAT_RG_FLOAT32
,
760 "MESA_FORMAT_RG_FLOAT32",
768 MESA_FORMAT_RG_FLOAT16
,
769 "MESA_FORMAT_RG_FLOAT16",
777 /* unnormalized signed int formats */
778 /* unnormalized unsigned int formats */
780 MESA_FORMAT_ALPHA_UINT8
,
781 "MESA_FORMAT_ALPHA_UINT8",
789 MESA_FORMAT_ALPHA_UINT16
,
790 "MESA_FORMAT_ALPHA_UINT16",
798 MESA_FORMAT_ALPHA_UINT32
,
799 "MESA_FORMAT_ALPHA_UINT32",
807 MESA_FORMAT_ALPHA_INT8
,
808 "MESA_FORMAT_ALPHA_INT8",
816 MESA_FORMAT_ALPHA_INT16
,
817 "MESA_FORMAT_ALPHA_INT16",
825 MESA_FORMAT_ALPHA_INT32
,
826 "MESA_FORMAT_ALPHA_INT32",
834 MESA_FORMAT_INTENSITY_UINT8
,
835 "MESA_FORMAT_INTENSITY_UINT8",
843 MESA_FORMAT_INTENSITY_UINT16
,
844 "MESA_FORMAT_INTENSITY_UINT16",
852 MESA_FORMAT_INTENSITY_UINT32
,
853 "MESA_FORMAT_INTENSITY_UINT32",
861 MESA_FORMAT_INTENSITY_INT8
,
862 "MESA_FORMAT_INTENSITY_INT8",
870 MESA_FORMAT_INTENSITY_INT16
,
871 "MESA_FORMAT_INTENSITY_INT16",
879 MESA_FORMAT_INTENSITY_INT32
,
880 "MESA_FORMAT_INTENSITY_INT32",
888 MESA_FORMAT_LUMINANCE_UINT8
,
889 "MESA_FORMAT_LUMINANCE_UINT8",
897 MESA_FORMAT_LUMINANCE_UINT16
,
898 "MESA_FORMAT_LUMINANCE_UINT16",
906 MESA_FORMAT_LUMINANCE_UINT32
,
907 "MESA_FORMAT_LUMINANCE_UINT32",
915 MESA_FORMAT_LUMINANCE_INT8
,
916 "MESA_FORMAT_LUMINANCE_INT8",
924 MESA_FORMAT_LUMINANCE_INT16
,
925 "MESA_FORMAT_LUMINANCE_INT16",
933 MESA_FORMAT_LUMINANCE_INT32
,
934 "MESA_FORMAT_LUMINANCE_INT32",
942 MESA_FORMAT_LUMINANCE_ALPHA_UINT8
,
943 "MESA_FORMAT_LUMINANCE_ALPHA_UINT8",
951 MESA_FORMAT_LUMINANCE_ALPHA_UINT16
,
952 "MESA_FORMAT_LUMINANCE_ALPHA_UINT16",
960 MESA_FORMAT_LUMINANCE_ALPHA_UINT32
,
961 "MESA_FORMAT_LUMINANCE_ALPHA_UINT32",
969 MESA_FORMAT_LUMINANCE_ALPHA_INT8
,
970 "MESA_FORMAT_LUMINANCE_ALPHA_INT8",
978 MESA_FORMAT_LUMINANCE_ALPHA_INT16
,
979 "MESA_FORMAT_LUMINANCE_ALPHA_INT16",
987 MESA_FORMAT_LUMINANCE_ALPHA_INT32
,
988 "MESA_FORMAT_LUMINANCE_ALPHA_INT32",
998 "MESA_FORMAT_R_INT8",
1006 MESA_FORMAT_RG_INT8
,
1007 "MESA_FORMAT_RG_INT8",
1015 MESA_FORMAT_RGB_INT8
,
1016 "MESA_FORMAT_RGB_INT8",
1024 MESA_FORMAT_RGBA_INT8
,
1025 "MESA_FORMAT_RGBA_INT8",
1033 MESA_FORMAT_R_INT16
,
1034 "MESA_FORMAT_R_INT16",
1042 MESA_FORMAT_RG_INT16
,
1043 "MESA_FORMAT_RG_INT16",
1051 MESA_FORMAT_RGB_INT16
,
1052 "MESA_FORMAT_RGB_INT16",
1060 MESA_FORMAT_RGBA_INT16
,
1061 "MESA_FORMAT_RGBA_INT16",
1069 MESA_FORMAT_R_INT32
,
1070 "MESA_FORMAT_R_INT32",
1078 MESA_FORMAT_RG_INT32
,
1079 "MESA_FORMAT_RG_INT32",
1087 MESA_FORMAT_RGB_INT32
,
1088 "MESA_FORMAT_RGB_INT32",
1096 MESA_FORMAT_RGBA_INT32
,
1097 "MESA_FORMAT_RGBA_INT32",
1105 MESA_FORMAT_R_UINT8
,
1106 "MESA_FORMAT_R_UINT8",
1114 MESA_FORMAT_RG_UINT8
,
1115 "MESA_FORMAT_RG_UINT8",
1123 MESA_FORMAT_RGB_UINT8
,
1124 "MESA_FORMAT_RGB_UINT8",
1132 MESA_FORMAT_RGBA_UINT8
,
1133 "MESA_FORMAT_RGBA_UINT8",
1141 MESA_FORMAT_R_UINT16
,
1142 "MESA_FORMAT_R_UINT16",
1150 MESA_FORMAT_RG_UINT16
,
1151 "MESA_FORMAT_RG_UINT16",
1159 MESA_FORMAT_RGB_UINT16
,
1160 "MESA_FORMAT_RGB_UINT16",
1168 MESA_FORMAT_RGBA_UINT16
,
1169 "MESA_FORMAT_RGBA_UINT16",
1177 MESA_FORMAT_R_UINT32
,
1178 "MESA_FORMAT_R_UINT32",
1186 MESA_FORMAT_RG_UINT32
,
1187 "MESA_FORMAT_RG_UINT32",
1195 MESA_FORMAT_RGB_UINT32
,
1196 "MESA_FORMAT_RGB_UINT32",
1204 MESA_FORMAT_RGBA_UINT32
,
1205 "MESA_FORMAT_RGBA_UINT32",
1216 "MESA_FORMAT_DUDV8",
1218 GL_SIGNED_NORMALIZED
,
1224 /* Signed 8 bits / channel */
1226 MESA_FORMAT_SIGNED_R8
, /* Name */
1227 "MESA_FORMAT_SIGNED_R8", /* StrName */
1228 GL_RED
, /* BaseFormat */
1229 GL_SIGNED_NORMALIZED
, /* DataType */
1230 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1231 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1232 1, 1, 1 /* BlockWidth/Height,Bytes */
1235 MESA_FORMAT_SIGNED_RG88_REV
,
1236 "MESA_FORMAT_SIGNED_RG88_REV",
1238 GL_SIGNED_NORMALIZED
,
1244 MESA_FORMAT_SIGNED_RGBX8888
,
1245 "MESA_FORMAT_SIGNED_RGBX8888",
1247 GL_SIGNED_NORMALIZED
,
1250 1, 1, 4 /* 4 bpp, but no alpha */
1253 MESA_FORMAT_SIGNED_RGBA8888
,
1254 "MESA_FORMAT_SIGNED_RGBA8888",
1256 GL_SIGNED_NORMALIZED
,
1262 MESA_FORMAT_SIGNED_RGBA8888_REV
,
1263 "MESA_FORMAT_SIGNED_RGBA8888_REV",
1265 GL_SIGNED_NORMALIZED
,
1271 /* Signed 16 bits / channel */
1273 MESA_FORMAT_SIGNED_R16
,
1274 "MESA_FORMAT_SIGNED_R16",
1276 GL_SIGNED_NORMALIZED
,
1282 MESA_FORMAT_SIGNED_GR1616
,
1283 "MESA_FORMAT_SIGNED_GR1616",
1285 GL_SIGNED_NORMALIZED
,
1291 MESA_FORMAT_SIGNED_RGB_16
,
1292 "MESA_FORMAT_SIGNED_RGB_16",
1294 GL_SIGNED_NORMALIZED
,
1300 MESA_FORMAT_SIGNED_RGBA_16
,
1301 "MESA_FORMAT_SIGNED_RGBA_16",
1303 GL_SIGNED_NORMALIZED
,
1309 MESA_FORMAT_RGBA_UNORM16
,
1310 "MESA_FORMAT_RGBA_UNORM16",
1312 GL_UNSIGNED_NORMALIZED
,
1318 MESA_FORMAT_RED_RGTC1
,
1319 "MESA_FORMAT_RED_RGTC1",
1321 GL_UNSIGNED_NORMALIZED
,
1324 4, 4, 8 /* 8 bytes per 4x4 block */
1327 MESA_FORMAT_SIGNED_RED_RGTC1
,
1328 "MESA_FORMAT_SIGNED_RED_RGTC1",
1330 GL_SIGNED_NORMALIZED
,
1333 4, 4, 8 /* 8 bytes per 4x4 block */
1336 MESA_FORMAT_RG_RGTC2
,
1337 "MESA_FORMAT_RG_RGTC2",
1339 GL_UNSIGNED_NORMALIZED
,
1342 4, 4, 16 /* 16 bytes per 4x4 block */
1345 MESA_FORMAT_SIGNED_RG_RGTC2
,
1346 "MESA_FORMAT_SIGNED_RG_RGTC2",
1348 GL_SIGNED_NORMALIZED
,
1351 4, 4, 16 /* 16 bytes per 4x4 block */
1354 MESA_FORMAT_L_LATC1
,
1355 "MESA_FORMAT_L_LATC1",
1357 GL_UNSIGNED_NORMALIZED
,
1360 4, 4, 8 /* 8 bytes per 4x4 block */
1363 MESA_FORMAT_SIGNED_L_LATC1
,
1364 "MESA_FORMAT_SIGNED_L_LATC1",
1366 GL_SIGNED_NORMALIZED
,
1369 4, 4, 8 /* 8 bytes per 4x4 block */
1372 MESA_FORMAT_LA_LATC2
,
1373 "MESA_FORMAT_LA_LATC2",
1375 GL_UNSIGNED_NORMALIZED
,
1378 4, 4, 16 /* 16 bytes per 4x4 block */
1381 MESA_FORMAT_SIGNED_LA_LATC2
,
1382 "MESA_FORMAT_SIGNED_LA_LATC2",
1384 GL_SIGNED_NORMALIZED
,
1387 4, 4, 16 /* 16 bytes per 4x4 block */
1391 MESA_FORMAT_ETC1_RGB8
,
1392 "MESA_FORMAT_ETC1_RGB8",
1394 GL_UNSIGNED_NORMALIZED
,
1397 4, 4, 8 /* 8 bytes per 4x4 block */
1401 MESA_FORMAT_ETC2_RGB8
,
1402 "MESA_FORMAT_ETC2_RGB8",
1404 GL_UNSIGNED_NORMALIZED
,
1407 4, 4, 8 /* 8 bytes per 4x4 block */
1411 MESA_FORMAT_ETC2_SRGB8
,
1412 "MESA_FORMAT_ETC2_SRGB8",
1414 GL_UNSIGNED_NORMALIZED
,
1417 4, 4, 8 /* 8 bytes per 4x4 block */
1421 MESA_FORMAT_ETC2_RGBA8_EAC
,
1422 "MESA_FORMAT_ETC2_RGBA8_EAC",
1424 GL_UNSIGNED_NORMALIZED
,
1427 4, 4, 16 /* 16 bytes per 4x4 block */
1431 MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
,
1432 "MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC",
1434 GL_UNSIGNED_NORMALIZED
,
1437 4, 4, 16 /* 16 bytes per 4x4 block */
1441 MESA_FORMAT_ETC2_R11_EAC
,
1442 "MESA_FORMAT_ETC2_R11_EAC",
1444 GL_UNSIGNED_NORMALIZED
,
1447 4, 4, 8 /* 8 bytes per 4x4 block */
1451 MESA_FORMAT_ETC2_RG11_EAC
,
1452 "MESA_FORMAT_ETC2_RG11_EAC",
1454 GL_UNSIGNED_NORMALIZED
,
1457 4, 4, 16 /* 16 bytes per 4x4 block */
1461 MESA_FORMAT_ETC2_SIGNED_R11_EAC
,
1462 "MESA_FORMAT_ETC2_SIGNED_R11_EAC",
1464 GL_SIGNED_NORMALIZED
,
1467 4, 4, 8 /* 8 bytes per 4x4 block */
1471 MESA_FORMAT_ETC2_SIGNED_RG11_EAC
,
1472 "MESA_FORMAT_ETC2_SIGNED_RG11_EAC",
1474 GL_SIGNED_NORMALIZED
,
1477 4, 4, 16 /* 16 bytes per 4x4 block */
1481 MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
,
1482 "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
1484 GL_UNSIGNED_NORMALIZED
,
1487 4, 4, 8 /* 8 bytes per 4x4 block */
1491 MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
,
1492 "MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1",
1494 GL_UNSIGNED_NORMALIZED
,
1497 4, 4, 8 /* 8 bytes per 4x4 block */
1500 /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
1502 MESA_FORMAT_SIGNED_A8
,
1503 "MESA_FORMAT_SIGNED_A8",
1505 GL_SIGNED_NORMALIZED
,
1511 MESA_FORMAT_SIGNED_L8
,
1512 "MESA_FORMAT_SIGNED_L8",
1514 GL_SIGNED_NORMALIZED
,
1520 MESA_FORMAT_SIGNED_AL88
,
1521 "MESA_FORMAT_SIGNED_AL88",
1523 GL_SIGNED_NORMALIZED
,
1529 MESA_FORMAT_SIGNED_I8
,
1530 "MESA_FORMAT_SIGNED_I8",
1532 GL_SIGNED_NORMALIZED
,
1538 MESA_FORMAT_SIGNED_A16
,
1539 "MESA_FORMAT_SIGNED_A16",
1541 GL_SIGNED_NORMALIZED
,
1547 MESA_FORMAT_SIGNED_L16
,
1548 "MESA_FORMAT_SIGNED_L16",
1550 GL_SIGNED_NORMALIZED
,
1556 MESA_FORMAT_SIGNED_AL1616
,
1557 "MESA_FORMAT_SIGNED_AL1616",
1559 GL_SIGNED_NORMALIZED
,
1565 MESA_FORMAT_SIGNED_I16
,
1566 "MESA_FORMAT_SIGNED_I16",
1568 GL_SIGNED_NORMALIZED
,
1574 MESA_FORMAT_RGB9_E5_FLOAT
,
1575 "MESA_FORMAT_RGB9_E5",
1583 MESA_FORMAT_R11_G11_B10_FLOAT
,
1584 "MESA_FORMAT_R11_G11_B10_FLOAT",
1591 /* ARB_depth_buffer_float */
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 */
1602 MESA_FORMAT_Z32_FLOAT_X24S8
, /* Name */
1603 "MESA_FORMAT_Z32_FLOAT_X24S8", /* StrName */
1604 GL_DEPTH_STENCIL
, /* BaseFormat */
1605 /* DataType here is used to answer GL_TEXTURE_DEPTH_TYPE queries, and is
1606 * never used for stencil because stencil is always GL_UNSIGNED_INT.
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 */
1614 MESA_FORMAT_ARGB2101010_UINT
,
1615 "MESA_FORMAT_ARGB2101010_UINT",
1623 MESA_FORMAT_ABGR2101010_UINT
,
1624 "MESA_FORMAT_ABGR2101010_UINT",
1632 MESA_FORMAT_XRGB4444_UNORM
,
1633 "MESA_FORMAT_XRGB4444_UNORM",
1635 GL_UNSIGNED_NORMALIZED
,
1641 MESA_FORMAT_XRGB1555_UNORM
,
1642 "MESA_FORMAT_XRGB1555_UNORM",
1644 GL_UNSIGNED_NORMALIZED
,
1650 MESA_FORMAT_XBGR8888_SNORM
,
1651 "MESA_FORMAT_XBGR8888_SNORM",
1653 GL_SIGNED_NORMALIZED
,
1659 MESA_FORMAT_XBGR8888_SRGB
,
1660 "MESA_FORMAT_XBGR8888_SRGB",
1662 GL_UNSIGNED_NORMALIZED
,
1668 MESA_FORMAT_RGBX_UINT8
,
1669 "MESA_FORMAT_RGBX_UINT8",
1677 MESA_FORMAT_RGBX_SINT8
,
1678 "MESA_FORMAT_RGBX_SINT8",
1686 MESA_FORMAT_XRGB2101010_UNORM
,
1687 "MESA_FORMAT_XRGB2101010_UNORM",
1689 GL_UNSIGNED_NORMALIZED
,
1695 MESA_FORMAT_RGBX_UNORM16
,
1696 "MESA_FORMAT_RGBX_UNORM16",
1698 GL_UNSIGNED_NORMALIZED
,
1704 MESA_FORMAT_RGBX_SNORM16
,
1705 "MESA_FORMAT_RGBX_SNORM16",
1707 GL_SIGNED_NORMALIZED
,
1713 MESA_FORMAT_RGBX_FLOAT16
,
1714 "MESA_FORMAT_RGBX_FLOAT16",
1722 MESA_FORMAT_RGBX_UINT16
,
1723 "MESA_FORMAT_RGBX_UINT16",
1731 MESA_FORMAT_RGBX_SINT16
,
1732 "MESA_FORMAT_RGBX_SINT16",
1740 MESA_FORMAT_RGBX_FLOAT32
,
1741 "MESA_FORMAT_RGBX_FLOAT32",
1749 MESA_FORMAT_RGBX_UINT32
,
1750 "MESA_FORMAT_RGBX_UINT32",
1758 MESA_FORMAT_RGBX_SINT32
,
1759 "MESA_FORMAT_RGBX_SINT32",
1767 MESA_FORMAT_ABGR2101010
,
1768 "MESA_FORMAT_ABGR2101010",
1770 GL_UNSIGNED_NORMALIZED
,
1776 MESA_FORMAT_SIGNED_RG88
,
1777 "MESA_FORMAT_SIGNED_RG88",
1779 GL_SIGNED_NORMALIZED
,
1785 MESA_FORMAT_SIGNED_RG1616
,
1786 "MESA_FORMAT_SIGNED_RG1616",
1788 GL_SIGNED_NORMALIZED
,
1797 static const struct gl_format_info
*
1798 _mesa_get_format_info(mesa_format format
)
1800 const struct gl_format_info
*info
= &format_info
[format
];
1801 assert(info
->Name
== format
);
1806 /** Return string name of format (for debugging) */
1808 _mesa_get_format_name(mesa_format format
)
1810 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1811 return info
->StrName
;
1817 * Return bytes needed to store a block of pixels in the given format.
1818 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1819 * a block may be 4x4 or 8x4, etc.
1821 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1824 _mesa_get_format_bytes(mesa_format format
)
1826 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1827 ASSERT(info
->BytesPerBlock
);
1828 ASSERT(info
->BytesPerBlock
<= MAX_PIXEL_BYTES
||
1829 _mesa_is_format_compressed(format
));
1830 return info
->BytesPerBlock
;
1835 * Return bits per component for the given format.
1836 * \param format one of MESA_FORMAT_x
1837 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1840 _mesa_get_format_bits(mesa_format format
, GLenum pname
)
1842 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1846 case GL_TEXTURE_RED_SIZE
:
1847 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1848 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
1849 return info
->RedBits
;
1851 case GL_TEXTURE_GREEN_SIZE
:
1852 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1853 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
1854 return info
->GreenBits
;
1856 case GL_TEXTURE_BLUE_SIZE
:
1857 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1858 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
1859 return info
->BlueBits
;
1861 case GL_TEXTURE_ALPHA_SIZE
:
1862 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1863 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
1864 return info
->AlphaBits
;
1865 case GL_TEXTURE_INTENSITY_SIZE
:
1866 return info
->IntensityBits
;
1867 case GL_TEXTURE_LUMINANCE_SIZE
:
1868 return info
->LuminanceBits
;
1870 return info
->IndexBits
;
1872 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1873 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1874 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
1875 return info
->DepthBits
;
1876 case GL_STENCIL_BITS
:
1877 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1878 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1879 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
1880 return info
->StencilBits
;
1882 _mesa_problem(NULL
, "bad pname in _mesa_get_format_bits()");
1889 _mesa_get_format_max_bits(mesa_format format
)
1891 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1892 GLuint max
= MAX2(info
->RedBits
, info
->GreenBits
);
1893 max
= MAX2(max
, info
->BlueBits
);
1894 max
= MAX2(max
, info
->AlphaBits
);
1895 max
= MAX2(max
, info
->LuminanceBits
);
1896 max
= MAX2(max
, info
->IntensityBits
);
1897 max
= MAX2(max
, info
->DepthBits
);
1898 max
= MAX2(max
, info
->StencilBits
);
1904 * Return the data type (or more specifically, the data representation)
1905 * for the given format.
1906 * The return value will be one of:
1907 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1908 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1909 * GL_UNSIGNED_INT = an ordinary unsigned integer
1910 * GL_INT = an ordinary signed integer
1911 * GL_FLOAT = an ordinary float
1914 _mesa_get_format_datatype(mesa_format format
)
1916 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1917 return info
->DataType
;
1922 * Return the basic format for the given type. The result will be one of
1923 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1924 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1927 _mesa_get_format_base_format(mesa_format format
)
1929 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1930 return info
->BaseFormat
;
1935 * Return the block size (in pixels) for the given format. Normally
1936 * the block size is 1x1. But compressed formats will have block sizes
1937 * of 4x4 or 8x4 pixels, etc.
1938 * \param bw returns block width in pixels
1939 * \param bh returns block height in pixels
1942 _mesa_get_format_block_size(mesa_format format
, GLuint
*bw
, GLuint
*bh
)
1944 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1945 *bw
= info
->BlockWidth
;
1946 *bh
= info
->BlockHeight
;
1950 /** Is the given format a compressed format? */
1952 _mesa_is_format_compressed(mesa_format format
)
1954 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1955 return info
->BlockWidth
> 1 || info
->BlockHeight
> 1;
1960 * Determine if the given format represents a packed depth/stencil buffer.
1963 _mesa_is_format_packed_depth_stencil(mesa_format format
)
1965 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1967 return info
->BaseFormat
== GL_DEPTH_STENCIL
;
1972 * Is the given format a signed/unsigned integer color format?
1975 _mesa_is_format_integer_color(mesa_format format
)
1977 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1978 return (info
->DataType
== GL_INT
|| info
->DataType
== GL_UNSIGNED_INT
) &&
1979 info
->BaseFormat
!= GL_DEPTH_COMPONENT
&&
1980 info
->BaseFormat
!= GL_DEPTH_STENCIL
&&
1981 info
->BaseFormat
!= GL_STENCIL_INDEX
;
1986 * Is the given format an unsigned integer format?
1989 _mesa_is_format_unsigned(mesa_format format
)
1991 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1992 return _mesa_is_type_unsigned(info
->DataType
);
1997 * Does the given format store signed values?
2000 _mesa_is_format_signed(mesa_format format
)
2002 if (format
== MESA_FORMAT_R11_G11_B10_FLOAT
||
2003 format
== MESA_FORMAT_RGB9_E5_FLOAT
) {
2004 /* these packed float formats only store unsigned values */
2008 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2009 return (info
->DataType
== GL_SIGNED_NORMALIZED
||
2010 info
->DataType
== GL_INT
||
2011 info
->DataType
== GL_FLOAT
);
2017 * Return color encoding for given format.
2018 * \return GL_LINEAR or GL_SRGB
2021 _mesa_get_format_color_encoding(mesa_format format
)
2023 /* XXX this info should be encoded in gl_format_info */
2025 case MESA_FORMAT_BGR_SRGB8
:
2026 case MESA_FORMAT_SRGBA8
:
2027 case MESA_FORMAT_SARGB8
:
2028 case MESA_FORMAT_L_SRGB8
:
2029 case MESA_FORMAT_SLA8
:
2030 case MESA_FORMAT_SRGB_DXT1
:
2031 case MESA_FORMAT_SRGBA_DXT1
:
2032 case MESA_FORMAT_SRGBA_DXT3
:
2033 case MESA_FORMAT_SRGBA_DXT5
:
2034 case MESA_FORMAT_XBGR8888_SRGB
:
2035 case MESA_FORMAT_ETC2_SRGB8
:
2036 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2037 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2046 * For an sRGB format, return the corresponding linear color space format.
2047 * For non-sRGB formats, return the format as-is.
2050 _mesa_get_srgb_format_linear(mesa_format format
)
2053 case MESA_FORMAT_BGR_SRGB8
:
2054 format
= MESA_FORMAT_BGR_UNORM8
;
2056 case MESA_FORMAT_SRGBA8
:
2057 format
= MESA_FORMAT_A8B8G8R8_UNORM
;
2059 case MESA_FORMAT_SARGB8
:
2060 format
= MESA_FORMAT_B8G8R8A8_UNORM
;
2062 case MESA_FORMAT_L_SRGB8
:
2063 format
= MESA_FORMAT_L_UNORM8
;
2065 case MESA_FORMAT_SLA8
:
2066 format
= MESA_FORMAT_AL88
;
2068 case MESA_FORMAT_SRGB_DXT1
:
2069 format
= MESA_FORMAT_RGB_DXT1
;
2071 case MESA_FORMAT_SRGBA_DXT1
:
2072 format
= MESA_FORMAT_RGBA_DXT1
;
2074 case MESA_FORMAT_SRGBA_DXT3
:
2075 format
= MESA_FORMAT_RGBA_DXT3
;
2077 case MESA_FORMAT_SRGBA_DXT5
:
2078 format
= MESA_FORMAT_RGBA_DXT5
;
2080 case MESA_FORMAT_XBGR8888_SRGB
:
2081 format
= MESA_FORMAT_R8G8B8X8_UNORM
;
2083 case MESA_FORMAT_ETC2_SRGB8
:
2084 format
= MESA_FORMAT_ETC2_RGB8
;
2086 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2087 format
= MESA_FORMAT_ETC2_RGBA8_EAC
;
2089 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2090 format
= MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
2100 * If the given format is a compressed format, return a corresponding
2101 * uncompressed format.
2104 _mesa_get_uncompressed_format(mesa_format format
)
2107 case MESA_FORMAT_RGB_FXT1
:
2108 return MESA_FORMAT_BGR_UNORM8
;
2109 case MESA_FORMAT_RGBA_FXT1
:
2110 return MESA_FORMAT_A8B8G8R8_UNORM
;
2111 case MESA_FORMAT_RGB_DXT1
:
2112 case MESA_FORMAT_SRGB_DXT1
:
2113 return MESA_FORMAT_BGR_UNORM8
;
2114 case MESA_FORMAT_RGBA_DXT1
:
2115 case MESA_FORMAT_SRGBA_DXT1
:
2116 return MESA_FORMAT_A8B8G8R8_UNORM
;
2117 case MESA_FORMAT_RGBA_DXT3
:
2118 case MESA_FORMAT_SRGBA_DXT3
:
2119 return MESA_FORMAT_A8B8G8R8_UNORM
;
2120 case MESA_FORMAT_RGBA_DXT5
:
2121 case MESA_FORMAT_SRGBA_DXT5
:
2122 return MESA_FORMAT_A8B8G8R8_UNORM
;
2123 case MESA_FORMAT_RED_RGTC1
:
2124 return MESA_FORMAT_R_UNORM8
;
2125 case MESA_FORMAT_SIGNED_RED_RGTC1
:
2126 return MESA_FORMAT_SIGNED_R8
;
2127 case MESA_FORMAT_RG_RGTC2
:
2128 return MESA_FORMAT_GR88
;
2129 case MESA_FORMAT_SIGNED_RG_RGTC2
:
2130 return MESA_FORMAT_SIGNED_RG88_REV
;
2131 case MESA_FORMAT_L_LATC1
:
2132 return MESA_FORMAT_L_UNORM8
;
2133 case MESA_FORMAT_SIGNED_L_LATC1
:
2134 return MESA_FORMAT_SIGNED_L8
;
2135 case MESA_FORMAT_LA_LATC2
:
2136 return MESA_FORMAT_AL88
;
2137 case MESA_FORMAT_SIGNED_LA_LATC2
:
2138 return MESA_FORMAT_SIGNED_AL88
;
2139 case MESA_FORMAT_ETC1_RGB8
:
2140 case MESA_FORMAT_ETC2_RGB8
:
2141 case MESA_FORMAT_ETC2_SRGB8
:
2142 return MESA_FORMAT_BGR_UNORM8
;
2143 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2144 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2145 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2146 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2147 return MESA_FORMAT_A8B8G8R8_UNORM
;
2148 case MESA_FORMAT_ETC2_R11_EAC
:
2149 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2150 return MESA_FORMAT_R_UNORM16
;
2151 case MESA_FORMAT_ETC2_RG11_EAC
:
2152 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2153 return MESA_FORMAT_GR1616
;
2156 assert(!_mesa_is_format_compressed(format
));
2164 _mesa_format_num_components(mesa_format format
)
2166 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2167 return ((info
->RedBits
> 0) +
2168 (info
->GreenBits
> 0) +
2169 (info
->BlueBits
> 0) +
2170 (info
->AlphaBits
> 0) +
2171 (info
->LuminanceBits
> 0) +
2172 (info
->IntensityBits
> 0) +
2173 (info
->DepthBits
> 0) +
2174 (info
->StencilBits
> 0));
2179 * Return number of bytes needed to store an image of the given size
2180 * in the given format.
2183 _mesa_format_image_size(mesa_format format
, GLsizei width
,
2184 GLsizei height
, GLsizei depth
)
2186 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2187 /* Strictly speaking, a conditional isn't needed here */
2188 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2189 /* compressed format (2D only for now) */
2190 const GLuint bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2191 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2192 const GLuint hblocks
= (height
+ bh
- 1) / bh
;
2193 const GLuint sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2197 /* non-compressed */
2198 const GLuint sz
= width
* height
* depth
* info
->BytesPerBlock
;
2205 * Same as _mesa_format_image_size() but returns a 64-bit value to
2206 * accomodate very large textures.
2209 _mesa_format_image_size64(mesa_format format
, GLsizei width
,
2210 GLsizei height
, GLsizei depth
)
2212 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2213 /* Strictly speaking, a conditional isn't needed here */
2214 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2215 /* compressed format (2D only for now) */
2216 const uint64_t bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2217 const uint64_t wblocks
= (width
+ bw
- 1) / bw
;
2218 const uint64_t hblocks
= (height
+ bh
- 1) / bh
;
2219 const uint64_t sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2223 /* non-compressed */
2224 const uint64_t sz
= ((uint64_t) width
*
2227 info
->BytesPerBlock
);
2235 _mesa_format_row_stride(mesa_format format
, GLsizei width
)
2237 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2238 /* Strictly speaking, a conditional isn't needed here */
2239 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2240 /* compressed format */
2241 const GLuint bw
= info
->BlockWidth
;
2242 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2243 const GLint stride
= wblocks
* info
->BytesPerBlock
;
2247 const GLint stride
= width
* info
->BytesPerBlock
;
2254 * Debug/test: check that all formats are handled in the
2255 * _mesa_format_to_type_and_comps() function. When new pixel formats
2256 * are added to Mesa, that function needs to be updated.
2257 * This is a no-op after the first call.
2260 check_format_to_type_and_comps(void)
2264 for (f
= MESA_FORMAT_NONE
+ 1; f
< MESA_FORMAT_COUNT
; f
++) {
2265 GLenum datatype
= 0;
2267 /* This function will emit a problem/warning if the format is
2270 _mesa_format_to_type_and_comps(f
, &datatype
, &comps
);
2276 * Do sanity checking of the format info table.
2279 _mesa_test_formats(void)
2283 STATIC_ASSERT(Elements(format_info
) == MESA_FORMAT_COUNT
);
2285 for (i
= 0; i
< MESA_FORMAT_COUNT
; i
++) {
2286 const struct gl_format_info
*info
= _mesa_get_format_info(i
);
2289 assert(info
->Name
== i
);
2291 if (info
->Name
== MESA_FORMAT_NONE
)
2294 if (info
->BlockWidth
== 1 && info
->BlockHeight
== 1) {
2295 if (info
->RedBits
> 0) {
2296 GLuint t
= info
->RedBits
+ info
->GreenBits
2297 + info
->BlueBits
+ info
->AlphaBits
;
2298 assert(t
/ 8 <= info
->BytesPerBlock
);
2303 assert(info
->DataType
== GL_UNSIGNED_NORMALIZED
||
2304 info
->DataType
== GL_SIGNED_NORMALIZED
||
2305 info
->DataType
== GL_UNSIGNED_INT
||
2306 info
->DataType
== GL_INT
||
2307 info
->DataType
== GL_FLOAT
||
2308 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2309 info
->DataType
== GL_NONE
);
2311 if (info
->BaseFormat
== GL_RGB
) {
2312 assert(info
->RedBits
> 0);
2313 assert(info
->GreenBits
> 0);
2314 assert(info
->BlueBits
> 0);
2315 assert(info
->AlphaBits
== 0);
2316 assert(info
->LuminanceBits
== 0);
2317 assert(info
->IntensityBits
== 0);
2319 else if (info
->BaseFormat
== GL_RGBA
) {
2320 assert(info
->RedBits
> 0);
2321 assert(info
->GreenBits
> 0);
2322 assert(info
->BlueBits
> 0);
2323 assert(info
->AlphaBits
> 0);
2324 assert(info
->LuminanceBits
== 0);
2325 assert(info
->IntensityBits
== 0);
2327 else if (info
->BaseFormat
== GL_RG
) {
2328 assert(info
->RedBits
> 0);
2329 assert(info
->GreenBits
> 0);
2330 assert(info
->BlueBits
== 0);
2331 assert(info
->AlphaBits
== 0);
2332 assert(info
->LuminanceBits
== 0);
2333 assert(info
->IntensityBits
== 0);
2335 else if (info
->BaseFormat
== GL_RED
) {
2336 assert(info
->RedBits
> 0);
2337 assert(info
->GreenBits
== 0);
2338 assert(info
->BlueBits
== 0);
2339 assert(info
->AlphaBits
== 0);
2340 assert(info
->LuminanceBits
== 0);
2341 assert(info
->IntensityBits
== 0);
2343 else if (info
->BaseFormat
== GL_LUMINANCE
) {
2344 assert(info
->RedBits
== 0);
2345 assert(info
->GreenBits
== 0);
2346 assert(info
->BlueBits
== 0);
2347 assert(info
->AlphaBits
== 0);
2348 assert(info
->LuminanceBits
> 0);
2349 assert(info
->IntensityBits
== 0);
2351 else if (info
->BaseFormat
== GL_INTENSITY
) {
2352 assert(info
->RedBits
== 0);
2353 assert(info
->GreenBits
== 0);
2354 assert(info
->BlueBits
== 0);
2355 assert(info
->AlphaBits
== 0);
2356 assert(info
->LuminanceBits
== 0);
2357 assert(info
->IntensityBits
> 0);
2361 check_format_to_type_and_comps();
2367 * Return datatype and number of components per texel for the given mesa_format.
2368 * Only used for mipmap generation code.
2371 _mesa_format_to_type_and_comps(mesa_format format
,
2372 GLenum
*datatype
, GLuint
*comps
)
2375 case MESA_FORMAT_A8B8G8R8_UNORM
:
2376 case MESA_FORMAT_R8G8B8A8_UNORM
:
2377 case MESA_FORMAT_B8G8R8A8_UNORM
:
2378 case MESA_FORMAT_A8R8G8B8_UNORM
:
2379 case MESA_FORMAT_X8B8G8R8_UNORM
:
2380 case MESA_FORMAT_R8G8B8X8_UNORM
:
2381 case MESA_FORMAT_B8G8R8X8_UNORM
:
2382 case MESA_FORMAT_X8R8G8B8_UNORM
:
2383 *datatype
= GL_UNSIGNED_BYTE
;
2386 case MESA_FORMAT_BGR_UNORM8
:
2387 case MESA_FORMAT_RGB_UNORM8
:
2388 *datatype
= GL_UNSIGNED_BYTE
;
2391 case MESA_FORMAT_RGB565
:
2392 case MESA_FORMAT_RGB565_REV
:
2393 *datatype
= GL_UNSIGNED_SHORT_5_6_5
;
2397 case MESA_FORMAT_ARGB4444
:
2398 case MESA_FORMAT_ARGB4444_REV
:
2399 case MESA_FORMAT_XRGB4444_UNORM
:
2400 *datatype
= GL_UNSIGNED_SHORT_4_4_4_4
;
2404 case MESA_FORMAT_ARGB1555
:
2405 case MESA_FORMAT_ARGB1555_REV
:
2406 case MESA_FORMAT_XRGB1555_UNORM
:
2407 *datatype
= GL_UNSIGNED_SHORT_1_5_5_5_REV
;
2411 case MESA_FORMAT_ARGB2101010
:
2412 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2416 case MESA_FORMAT_RGBA5551
:
2417 *datatype
= GL_UNSIGNED_SHORT_5_5_5_1
;
2421 case MESA_FORMAT_AL44
:
2422 *datatype
= MESA_UNSIGNED_BYTE_4_4
;
2426 case MESA_FORMAT_AL88
:
2427 case MESA_FORMAT_AL88_REV
:
2428 case MESA_FORMAT_GR88
:
2429 case MESA_FORMAT_RG88
:
2430 *datatype
= GL_UNSIGNED_BYTE
;
2434 case MESA_FORMAT_AL1616
:
2435 case MESA_FORMAT_AL1616_REV
:
2436 case MESA_FORMAT_GR1616
:
2437 case MESA_FORMAT_RG1616
:
2438 *datatype
= GL_UNSIGNED_SHORT
;
2442 case MESA_FORMAT_R_UNORM16
:
2443 case MESA_FORMAT_A_UNORM16
:
2444 case MESA_FORMAT_L_UNORM16
:
2445 case MESA_FORMAT_I_UNORM16
:
2446 *datatype
= GL_UNSIGNED_SHORT
;
2450 case MESA_FORMAT_RGB332
:
2451 *datatype
= GL_UNSIGNED_BYTE_3_3_2
;
2455 case MESA_FORMAT_A_UNORM8
:
2456 case MESA_FORMAT_L_UNORM8
:
2457 case MESA_FORMAT_I_UNORM8
:
2458 case MESA_FORMAT_R_UNORM8
:
2459 case MESA_FORMAT_S_UINT8
:
2460 *datatype
= GL_UNSIGNED_BYTE
;
2464 case MESA_FORMAT_YCBCR
:
2465 case MESA_FORMAT_YCBCR_REV
:
2466 *datatype
= GL_UNSIGNED_SHORT
;
2470 case MESA_FORMAT_Z24_S8
:
2471 *datatype
= GL_UNSIGNED_INT_24_8_MESA
;
2475 case MESA_FORMAT_S8_Z24
:
2476 *datatype
= GL_UNSIGNED_INT_8_24_REV_MESA
;
2480 case MESA_FORMAT_Z_UNORM16
:
2481 *datatype
= GL_UNSIGNED_SHORT
;
2485 case MESA_FORMAT_X8_Z24
:
2486 *datatype
= GL_UNSIGNED_INT
;
2490 case MESA_FORMAT_Z24_X8
:
2491 *datatype
= GL_UNSIGNED_INT
;
2495 case MESA_FORMAT_Z_UNORM32
:
2496 *datatype
= GL_UNSIGNED_INT
;
2500 case MESA_FORMAT_Z_FLOAT32
:
2501 *datatype
= GL_FLOAT
;
2505 case MESA_FORMAT_Z32_FLOAT_X24S8
:
2506 *datatype
= GL_FLOAT_32_UNSIGNED_INT_24_8_REV
;
2510 case MESA_FORMAT_DUDV8
:
2511 *datatype
= GL_BYTE
;
2515 case MESA_FORMAT_SIGNED_R8
:
2516 case MESA_FORMAT_SIGNED_A8
:
2517 case MESA_FORMAT_SIGNED_L8
:
2518 case MESA_FORMAT_SIGNED_I8
:
2519 *datatype
= GL_BYTE
;
2522 case MESA_FORMAT_SIGNED_RG88_REV
:
2523 case MESA_FORMAT_SIGNED_AL88
:
2524 *datatype
= GL_BYTE
;
2527 case MESA_FORMAT_SIGNED_RGBA8888
:
2528 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
2529 case MESA_FORMAT_SIGNED_RGBX8888
:
2530 *datatype
= GL_BYTE
;
2534 case MESA_FORMAT_RGBA_UNORM16
:
2535 *datatype
= GL_UNSIGNED_SHORT
;
2539 case MESA_FORMAT_SIGNED_R16
:
2540 case MESA_FORMAT_SIGNED_A16
:
2541 case MESA_FORMAT_SIGNED_L16
:
2542 case MESA_FORMAT_SIGNED_I16
:
2543 *datatype
= GL_SHORT
;
2546 case MESA_FORMAT_SIGNED_GR1616
:
2547 case MESA_FORMAT_SIGNED_AL1616
:
2548 *datatype
= GL_SHORT
;
2551 case MESA_FORMAT_SIGNED_RGB_16
:
2552 *datatype
= GL_SHORT
;
2555 case MESA_FORMAT_SIGNED_RGBA_16
:
2556 *datatype
= GL_SHORT
;
2560 case MESA_FORMAT_BGR_SRGB8
:
2561 *datatype
= GL_UNSIGNED_BYTE
;
2564 case MESA_FORMAT_SRGBA8
:
2565 case MESA_FORMAT_SARGB8
:
2566 *datatype
= GL_UNSIGNED_BYTE
;
2569 case MESA_FORMAT_L_SRGB8
:
2570 *datatype
= GL_UNSIGNED_BYTE
;
2573 case MESA_FORMAT_SLA8
:
2574 *datatype
= GL_UNSIGNED_BYTE
;
2578 case MESA_FORMAT_RGB_FXT1
:
2579 case MESA_FORMAT_RGBA_FXT1
:
2580 case MESA_FORMAT_RGB_DXT1
:
2581 case MESA_FORMAT_RGBA_DXT1
:
2582 case MESA_FORMAT_RGBA_DXT3
:
2583 case MESA_FORMAT_RGBA_DXT5
:
2584 case MESA_FORMAT_SRGB_DXT1
:
2585 case MESA_FORMAT_SRGBA_DXT1
:
2586 case MESA_FORMAT_SRGBA_DXT3
:
2587 case MESA_FORMAT_SRGBA_DXT5
:
2588 case MESA_FORMAT_RED_RGTC1
:
2589 case MESA_FORMAT_SIGNED_RED_RGTC1
:
2590 case MESA_FORMAT_RG_RGTC2
:
2591 case MESA_FORMAT_SIGNED_RG_RGTC2
:
2592 case MESA_FORMAT_L_LATC1
:
2593 case MESA_FORMAT_SIGNED_L_LATC1
:
2594 case MESA_FORMAT_LA_LATC2
:
2595 case MESA_FORMAT_SIGNED_LA_LATC2
:
2596 case MESA_FORMAT_ETC1_RGB8
:
2597 case MESA_FORMAT_ETC2_RGB8
:
2598 case MESA_FORMAT_ETC2_SRGB8
:
2599 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2600 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2601 case MESA_FORMAT_ETC2_R11_EAC
:
2602 case MESA_FORMAT_ETC2_RG11_EAC
:
2603 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2604 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2605 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2606 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2607 /* XXX generate error instead? */
2608 *datatype
= GL_UNSIGNED_BYTE
;
2612 case MESA_FORMAT_RGBA_FLOAT32
:
2613 *datatype
= GL_FLOAT
;
2616 case MESA_FORMAT_RGBA_FLOAT16
:
2617 *datatype
= GL_HALF_FLOAT_ARB
;
2620 case MESA_FORMAT_RGB_FLOAT32
:
2621 *datatype
= GL_FLOAT
;
2624 case MESA_FORMAT_RGB_FLOAT16
:
2625 *datatype
= GL_HALF_FLOAT_ARB
;
2628 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
2629 case MESA_FORMAT_RG_FLOAT32
:
2630 *datatype
= GL_FLOAT
;
2633 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
2634 case MESA_FORMAT_RG_FLOAT16
:
2635 *datatype
= GL_HALF_FLOAT_ARB
;
2638 case MESA_FORMAT_ALPHA_FLOAT32
:
2639 case MESA_FORMAT_LUMINANCE_FLOAT32
:
2640 case MESA_FORMAT_INTENSITY_FLOAT32
:
2641 case MESA_FORMAT_R_FLOAT32
:
2642 *datatype
= GL_FLOAT
;
2645 case MESA_FORMAT_ALPHA_FLOAT16
:
2646 case MESA_FORMAT_LUMINANCE_FLOAT16
:
2647 case MESA_FORMAT_INTENSITY_FLOAT16
:
2648 case MESA_FORMAT_R_FLOAT16
:
2649 *datatype
= GL_HALF_FLOAT_ARB
;
2653 case MESA_FORMAT_ALPHA_UINT8
:
2654 case MESA_FORMAT_LUMINANCE_UINT8
:
2655 case MESA_FORMAT_INTENSITY_UINT8
:
2656 *datatype
= GL_UNSIGNED_BYTE
;
2659 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
2660 *datatype
= GL_UNSIGNED_BYTE
;
2664 case MESA_FORMAT_ALPHA_UINT16
:
2665 case MESA_FORMAT_LUMINANCE_UINT16
:
2666 case MESA_FORMAT_INTENSITY_UINT16
:
2667 *datatype
= GL_UNSIGNED_SHORT
;
2670 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
2671 *datatype
= GL_UNSIGNED_SHORT
;
2674 case MESA_FORMAT_ALPHA_UINT32
:
2675 case MESA_FORMAT_LUMINANCE_UINT32
:
2676 case MESA_FORMAT_INTENSITY_UINT32
:
2677 *datatype
= GL_UNSIGNED_INT
;
2680 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
2681 *datatype
= GL_UNSIGNED_INT
;
2684 case MESA_FORMAT_ALPHA_INT8
:
2685 case MESA_FORMAT_LUMINANCE_INT8
:
2686 case MESA_FORMAT_INTENSITY_INT8
:
2687 *datatype
= GL_BYTE
;
2690 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
2691 *datatype
= GL_BYTE
;
2695 case MESA_FORMAT_ALPHA_INT16
:
2696 case MESA_FORMAT_LUMINANCE_INT16
:
2697 case MESA_FORMAT_INTENSITY_INT16
:
2698 *datatype
= GL_SHORT
;
2701 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
2702 *datatype
= GL_SHORT
;
2706 case MESA_FORMAT_ALPHA_INT32
:
2707 case MESA_FORMAT_LUMINANCE_INT32
:
2708 case MESA_FORMAT_INTENSITY_INT32
:
2712 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
2717 case MESA_FORMAT_R_INT8
:
2718 *datatype
= GL_BYTE
;
2721 case MESA_FORMAT_RG_INT8
:
2722 *datatype
= GL_BYTE
;
2725 case MESA_FORMAT_RGB_INT8
:
2726 *datatype
= GL_BYTE
;
2729 case MESA_FORMAT_RGBA_INT8
:
2730 *datatype
= GL_BYTE
;
2733 case MESA_FORMAT_R_INT16
:
2734 *datatype
= GL_SHORT
;
2737 case MESA_FORMAT_RG_INT16
:
2738 *datatype
= GL_SHORT
;
2741 case MESA_FORMAT_RGB_INT16
:
2742 *datatype
= GL_SHORT
;
2745 case MESA_FORMAT_RGBA_INT16
:
2746 *datatype
= GL_SHORT
;
2749 case MESA_FORMAT_R_INT32
:
2753 case MESA_FORMAT_RG_INT32
:
2757 case MESA_FORMAT_RGB_INT32
:
2761 case MESA_FORMAT_RGBA_INT32
:
2767 * \name Non-normalized unsigned integer formats.
2769 case MESA_FORMAT_R_UINT8
:
2770 *datatype
= GL_UNSIGNED_BYTE
;
2773 case MESA_FORMAT_RG_UINT8
:
2774 *datatype
= GL_UNSIGNED_BYTE
;
2777 case MESA_FORMAT_RGB_UINT8
:
2778 *datatype
= GL_UNSIGNED_BYTE
;
2781 case MESA_FORMAT_RGBA_UINT8
:
2782 *datatype
= GL_UNSIGNED_BYTE
;
2785 case MESA_FORMAT_R_UINT16
:
2786 *datatype
= GL_UNSIGNED_SHORT
;
2789 case MESA_FORMAT_RG_UINT16
:
2790 *datatype
= GL_UNSIGNED_SHORT
;
2793 case MESA_FORMAT_RGB_UINT16
:
2794 *datatype
= GL_UNSIGNED_SHORT
;
2797 case MESA_FORMAT_RGBA_UINT16
:
2798 *datatype
= GL_UNSIGNED_SHORT
;
2801 case MESA_FORMAT_R_UINT32
:
2802 *datatype
= GL_UNSIGNED_INT
;
2805 case MESA_FORMAT_RG_UINT32
:
2806 *datatype
= GL_UNSIGNED_INT
;
2809 case MESA_FORMAT_RGB_UINT32
:
2810 *datatype
= GL_UNSIGNED_INT
;
2813 case MESA_FORMAT_RGBA_UINT32
:
2814 *datatype
= GL_UNSIGNED_INT
;
2818 case MESA_FORMAT_RGB9_E5_FLOAT
:
2819 *datatype
= GL_UNSIGNED_INT_5_9_9_9_REV
;
2823 case MESA_FORMAT_R11_G11_B10_FLOAT
:
2824 *datatype
= GL_UNSIGNED_INT_10F_11F_11F_REV
;
2828 case MESA_FORMAT_ARGB2101010_UINT
:
2829 case MESA_FORMAT_ABGR2101010_UINT
:
2830 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2834 case MESA_FORMAT_XBGR8888_SRGB
:
2835 case MESA_FORMAT_RGBX_UINT8
:
2836 *datatype
= GL_UNSIGNED_BYTE
;
2840 case MESA_FORMAT_XBGR8888_SNORM
:
2841 case MESA_FORMAT_RGBX_SINT8
:
2842 *datatype
= GL_BYTE
;
2846 case MESA_FORMAT_XRGB2101010_UNORM
:
2847 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2851 case MESA_FORMAT_RGBX_UNORM16
:
2852 case MESA_FORMAT_RGBX_UINT16
:
2853 *datatype
= GL_UNSIGNED_SHORT
;
2857 case MESA_FORMAT_RGBX_SNORM16
:
2858 case MESA_FORMAT_RGBX_SINT16
:
2859 *datatype
= GL_SHORT
;
2863 case MESA_FORMAT_RGBX_FLOAT16
:
2864 *datatype
= GL_HALF_FLOAT
;
2868 case MESA_FORMAT_RGBX_FLOAT32
:
2869 *datatype
= GL_FLOAT
;
2873 case MESA_FORMAT_RGBX_UINT32
:
2874 *datatype
= GL_UNSIGNED_INT
;
2878 case MESA_FORMAT_RGBX_SINT32
:
2883 case MESA_FORMAT_ABGR2101010
:
2884 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2888 case MESA_FORMAT_SIGNED_RG88
:
2889 *datatype
= GL_BYTE
;
2893 case MESA_FORMAT_SIGNED_RG1616
:
2894 *datatype
= GL_SHORT
;
2898 case MESA_FORMAT_COUNT
:
2902 case MESA_FORMAT_NONE
:
2903 /* For debug builds, warn if any formats are not handled */
2907 _mesa_problem(NULL
, "bad format %s in _mesa_format_to_type_and_comps",
2908 _mesa_get_format_name(format
));
2915 * Check if a mesa_format exactly matches a GL format/type combination
2916 * such that we can use memcpy() from one to the other.
2917 * \param mesa_format a MESA_FORMAT_x value
2918 * \param format the user-specified image format
2919 * \param type the user-specified image datatype
2920 * \param swapBytes typically the current pixel pack/unpack byteswap state
2921 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2924 _mesa_format_matches_format_and_type(mesa_format mesa_format
,
2925 GLenum format
, GLenum type
,
2926 GLboolean swapBytes
)
2928 const GLboolean littleEndian
= _mesa_little_endian();
2930 /* Note: When reading a GL format/type combination, the format lists channel
2931 * assignments from most significant channel in the type to least
2932 * significant. A type with _REV indicates that the assignments are
2933 * swapped, so they are listed from least significant to most significant.
2935 * For sanity, please keep this switch statement ordered the same as the
2936 * enums in formats.h.
2939 switch (mesa_format
) {
2941 case MESA_FORMAT_NONE
:
2942 case MESA_FORMAT_COUNT
:
2945 case MESA_FORMAT_A8B8G8R8_UNORM
:
2946 case MESA_FORMAT_SRGBA8
:
2947 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
2950 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&& swapBytes
)
2953 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2956 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
2960 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
2964 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
2969 case MESA_FORMAT_R8G8B8A8_UNORM
:
2970 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2974 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
2977 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
2980 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
&&
2984 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2988 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2993 case MESA_FORMAT_B8G8R8A8_UNORM
:
2994 case MESA_FORMAT_SARGB8
:
2995 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2999 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
3002 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3007 case MESA_FORMAT_A8R8G8B8_UNORM
:
3008 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
3011 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3015 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3020 case MESA_FORMAT_X8B8G8R8_UNORM
:
3021 case MESA_FORMAT_R8G8B8X8_UNORM
:
3024 case MESA_FORMAT_B8G8R8X8_UNORM
:
3025 case MESA_FORMAT_X8R8G8B8_UNORM
:
3028 case MESA_FORMAT_BGR_UNORM8
:
3029 case MESA_FORMAT_BGR_SRGB8
:
3030 return format
== GL_BGR
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3032 case MESA_FORMAT_RGB_UNORM8
:
3033 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3035 case MESA_FORMAT_RGB565
:
3036 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
&& !swapBytes
;
3038 case MESA_FORMAT_RGB565_REV
:
3039 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
3040 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
3041 * according to formats.h, so they can't be matched.
3045 case MESA_FORMAT_ARGB4444
:
3046 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_4_4_4_4_REV
&&
3049 case MESA_FORMAT_ARGB4444_REV
:
3052 case MESA_FORMAT_RGBA5551
:
3053 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT_5_5_5_1
&&
3056 case MESA_FORMAT_ARGB1555
:
3057 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
&&
3060 case MESA_FORMAT_ARGB1555_REV
:
3063 case MESA_FORMAT_AL44
:
3065 case MESA_FORMAT_AL88
:
3066 case MESA_FORMAT_SLA8
:
3067 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3068 case MESA_FORMAT_AL88_REV
:
3071 case MESA_FORMAT_AL1616
:
3072 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&& !swapBytes
;
3073 case MESA_FORMAT_AL1616_REV
:
3076 case MESA_FORMAT_RGB332
:
3077 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE_3_3_2
;
3079 case MESA_FORMAT_A_UNORM8
:
3080 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_BYTE
;
3081 case MESA_FORMAT_A_UNORM16
:
3082 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3083 case MESA_FORMAT_L_UNORM8
:
3084 case MESA_FORMAT_L_SRGB8
:
3085 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_BYTE
;
3086 case MESA_FORMAT_L_UNORM16
:
3087 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3088 case MESA_FORMAT_I_UNORM8
:
3089 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_BYTE
;
3090 case MESA_FORMAT_I_UNORM16
:
3091 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3093 case MESA_FORMAT_YCBCR
:
3094 return format
== GL_YCBCR_MESA
&&
3095 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
!= swapBytes
) ||
3096 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
== swapBytes
));
3097 case MESA_FORMAT_YCBCR_REV
:
3098 return format
== GL_YCBCR_MESA
&&
3099 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
== swapBytes
) ||
3100 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
!= swapBytes
));
3102 case MESA_FORMAT_R_UNORM8
:
3103 return format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
;
3104 case MESA_FORMAT_GR88
:
3105 return format
== GL_RG
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3106 case MESA_FORMAT_RG88
:
3109 case MESA_FORMAT_R_UNORM16
:
3110 return format
== GL_RED
&& type
== GL_UNSIGNED_SHORT
&&
3112 case MESA_FORMAT_GR1616
:
3113 return format
== GL_RG
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&&
3115 case MESA_FORMAT_RG1616
:
3118 case MESA_FORMAT_ARGB2101010
:
3119 return format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3122 case MESA_FORMAT_Z24_S8
:
3123 return format
== GL_DEPTH_STENCIL
&& type
== GL_UNSIGNED_INT_24_8
&&
3125 case MESA_FORMAT_Z24_X8
:
3126 case MESA_FORMAT_S8_Z24
:
3129 case MESA_FORMAT_Z_UNORM16
:
3130 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_SHORT
&&
3133 case MESA_FORMAT_X8_Z24
:
3136 case MESA_FORMAT_Z_UNORM32
:
3137 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_INT
&&
3140 case MESA_FORMAT_S_UINT8
:
3141 return format
== GL_STENCIL_INDEX
&& type
== GL_UNSIGNED_BYTE
;
3143 case MESA_FORMAT_SRGB_DXT1
:
3144 case MESA_FORMAT_SRGBA_DXT1
:
3145 case MESA_FORMAT_SRGBA_DXT3
:
3146 case MESA_FORMAT_SRGBA_DXT5
:
3149 case MESA_FORMAT_RGB_FXT1
:
3150 case MESA_FORMAT_RGBA_FXT1
:
3151 case MESA_FORMAT_RGB_DXT1
:
3152 case MESA_FORMAT_RGBA_DXT1
:
3153 case MESA_FORMAT_RGBA_DXT3
:
3154 case MESA_FORMAT_RGBA_DXT5
:
3157 case MESA_FORMAT_RGBA_FLOAT32
:
3158 return format
== GL_RGBA
&& type
== GL_FLOAT
&& !swapBytes
;
3159 case MESA_FORMAT_RGBA_FLOAT16
:
3160 return format
== GL_RGBA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3162 case MESA_FORMAT_RGB_FLOAT32
:
3163 return format
== GL_RGB
&& type
== GL_FLOAT
&& !swapBytes
;
3164 case MESA_FORMAT_RGB_FLOAT16
:
3165 return format
== GL_RGB
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3167 case MESA_FORMAT_ALPHA_FLOAT32
:
3168 return format
== GL_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3169 case MESA_FORMAT_ALPHA_FLOAT16
:
3170 return format
== GL_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3172 case MESA_FORMAT_LUMINANCE_FLOAT32
:
3173 return format
== GL_LUMINANCE
&& type
== GL_FLOAT
&& !swapBytes
;
3174 case MESA_FORMAT_LUMINANCE_FLOAT16
:
3175 return format
== GL_LUMINANCE
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3177 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
3178 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3179 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
3180 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3182 case MESA_FORMAT_INTENSITY_FLOAT32
:
3183 return format
== GL_INTENSITY
&& type
== GL_FLOAT
&& !swapBytes
;
3184 case MESA_FORMAT_INTENSITY_FLOAT16
:
3185 return format
== GL_INTENSITY
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3187 case MESA_FORMAT_R_FLOAT32
:
3188 return format
== GL_RED
&& type
== GL_FLOAT
&& !swapBytes
;
3189 case MESA_FORMAT_R_FLOAT16
:
3190 return format
== GL_RED
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3192 case MESA_FORMAT_RG_FLOAT32
:
3193 return format
== GL_RG
&& type
== GL_FLOAT
&& !swapBytes
;
3194 case MESA_FORMAT_RG_FLOAT16
:
3195 return format
== GL_RG
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3197 case MESA_FORMAT_ALPHA_UINT8
:
3198 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3199 case MESA_FORMAT_ALPHA_UINT16
:
3200 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3202 case MESA_FORMAT_ALPHA_UINT32
:
3203 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_INT
&&
3205 case MESA_FORMAT_ALPHA_INT8
:
3206 return format
== GL_ALPHA_INTEGER
&& type
== GL_BYTE
;
3207 case MESA_FORMAT_ALPHA_INT16
:
3208 return format
== GL_ALPHA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3209 case MESA_FORMAT_ALPHA_INT32
:
3210 return format
== GL_ALPHA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3212 case MESA_FORMAT_INTENSITY_UINT8
:
3213 case MESA_FORMAT_INTENSITY_UINT16
:
3214 case MESA_FORMAT_INTENSITY_UINT32
:
3215 case MESA_FORMAT_INTENSITY_INT8
:
3216 case MESA_FORMAT_INTENSITY_INT16
:
3217 case MESA_FORMAT_INTENSITY_INT32
:
3218 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3221 case MESA_FORMAT_LUMINANCE_UINT8
:
3222 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_BYTE
;
3223 case MESA_FORMAT_LUMINANCE_UINT16
:
3224 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_SHORT
&&
3226 case MESA_FORMAT_LUMINANCE_UINT32
:
3227 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_INT
&&
3229 case MESA_FORMAT_LUMINANCE_INT8
:
3230 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_BYTE
;
3231 case MESA_FORMAT_LUMINANCE_INT16
:
3232 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_SHORT
&&
3234 case MESA_FORMAT_LUMINANCE_INT32
:
3235 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_INT
&& !swapBytes
;
3237 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
3238 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3239 type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3240 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
3241 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3242 type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3243 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
3244 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3245 type
== GL_UNSIGNED_INT
&& !swapBytes
;
3246 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
3247 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_BYTE
&&
3249 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
3250 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_SHORT
&&
3252 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
3253 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_INT
&&
3256 case MESA_FORMAT_R_INT8
:
3257 return format
== GL_RED_INTEGER
&& type
== GL_BYTE
;
3258 case MESA_FORMAT_RG_INT8
:
3259 return format
== GL_RG_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3260 case MESA_FORMAT_RGB_INT8
:
3261 return format
== GL_RGB_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3262 case MESA_FORMAT_RGBA_INT8
:
3263 return format
== GL_RGBA_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3264 case MESA_FORMAT_R_INT16
:
3265 return format
== GL_RED_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3266 case MESA_FORMAT_RG_INT16
:
3267 return format
== GL_RG_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3268 case MESA_FORMAT_RGB_INT16
:
3269 return format
== GL_RGB_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3270 case MESA_FORMAT_RGBA_INT16
:
3271 return format
== GL_RGBA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3272 case MESA_FORMAT_R_INT32
:
3273 return format
== GL_RED_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3274 case MESA_FORMAT_RG_INT32
:
3275 return format
== GL_RG_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3276 case MESA_FORMAT_RGB_INT32
:
3277 return format
== GL_RGB_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3278 case MESA_FORMAT_RGBA_INT32
:
3279 return format
== GL_RGBA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3281 case MESA_FORMAT_R_UINT8
:
3282 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3283 case MESA_FORMAT_RG_UINT8
:
3284 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3285 case MESA_FORMAT_RGB_UINT8
:
3286 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3287 case MESA_FORMAT_RGBA_UINT8
:
3288 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_BYTE
&&
3290 case MESA_FORMAT_R_UINT16
:
3291 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3293 case MESA_FORMAT_RG_UINT16
:
3294 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3295 case MESA_FORMAT_RGB_UINT16
:
3296 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3298 case MESA_FORMAT_RGBA_UINT16
:
3299 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3301 case MESA_FORMAT_R_UINT32
:
3302 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3303 case MESA_FORMAT_RG_UINT32
:
3304 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3305 case MESA_FORMAT_RGB_UINT32
:
3306 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3307 case MESA_FORMAT_RGBA_UINT32
:
3308 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3310 case MESA_FORMAT_DUDV8
:
3311 return (format
== GL_DU8DV8_ATI
|| format
== GL_DUDV_ATI
) &&
3312 type
== GL_BYTE
&& littleEndian
&& !swapBytes
;
3314 case MESA_FORMAT_SIGNED_R8
:
3315 return format
== GL_RED
&& type
== GL_BYTE
;
3316 case MESA_FORMAT_SIGNED_RG88_REV
:
3317 return format
== GL_RG
&& type
== GL_BYTE
&& littleEndian
&&
3319 case MESA_FORMAT_SIGNED_RGBX8888
:
3322 case MESA_FORMAT_SIGNED_RGBA8888
:
3323 if (format
== GL_RGBA
&& type
== GL_BYTE
&& !littleEndian
)
3326 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& littleEndian
)
3331 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
3332 if (format
== GL_RGBA
&& type
== GL_BYTE
&& littleEndian
)
3335 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& !littleEndian
)
3340 case MESA_FORMAT_SIGNED_R16
:
3341 return format
== GL_RED
&& type
== GL_SHORT
&&
3343 case MESA_FORMAT_SIGNED_GR1616
:
3344 return format
== GL_RG
&& type
== GL_SHORT
&& littleEndian
&& !swapBytes
;
3345 case MESA_FORMAT_SIGNED_RGB_16
:
3346 return format
== GL_RGB
&& type
== GL_SHORT
&& !swapBytes
;
3347 case MESA_FORMAT_SIGNED_RGBA_16
:
3348 return format
== GL_RGBA
&& type
== GL_SHORT
&& !swapBytes
;
3349 case MESA_FORMAT_RGBA_UNORM16
:
3350 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT
&&
3353 case MESA_FORMAT_RED_RGTC1
:
3354 case MESA_FORMAT_SIGNED_RED_RGTC1
:
3355 case MESA_FORMAT_RG_RGTC2
:
3356 case MESA_FORMAT_SIGNED_RG_RGTC2
:
3359 case MESA_FORMAT_L_LATC1
:
3360 case MESA_FORMAT_SIGNED_L_LATC1
:
3361 case MESA_FORMAT_LA_LATC2
:
3362 case MESA_FORMAT_SIGNED_LA_LATC2
:
3365 case MESA_FORMAT_ETC1_RGB8
:
3366 case MESA_FORMAT_ETC2_RGB8
:
3367 case MESA_FORMAT_ETC2_SRGB8
:
3368 case MESA_FORMAT_ETC2_RGBA8_EAC
:
3369 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
3370 case MESA_FORMAT_ETC2_R11_EAC
:
3371 case MESA_FORMAT_ETC2_RG11_EAC
:
3372 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
3373 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
3374 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
3375 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
3378 case MESA_FORMAT_SIGNED_A8
:
3379 return format
== GL_ALPHA
&& type
== GL_BYTE
;
3380 case MESA_FORMAT_SIGNED_L8
:
3381 return format
== GL_LUMINANCE
&& type
== GL_BYTE
;
3382 case MESA_FORMAT_SIGNED_AL88
:
3383 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_BYTE
&&
3384 littleEndian
&& !swapBytes
;
3385 case MESA_FORMAT_SIGNED_I8
:
3386 return format
== GL_INTENSITY
&& type
== GL_BYTE
;
3387 case MESA_FORMAT_SIGNED_A16
:
3388 return format
== GL_ALPHA
&& type
== GL_SHORT
&& !swapBytes
;
3389 case MESA_FORMAT_SIGNED_L16
:
3390 return format
== GL_LUMINANCE
&& type
== GL_SHORT
&& !swapBytes
;
3391 case MESA_FORMAT_SIGNED_AL1616
:
3392 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_SHORT
&&
3393 littleEndian
&& !swapBytes
;
3394 case MESA_FORMAT_SIGNED_I16
:
3395 return format
== GL_INTENSITY
&& type
== GL_SHORT
&& littleEndian
&&
3398 case MESA_FORMAT_ARGB2101010_UINT
:
3399 return (format
== GL_BGRA_INTEGER_EXT
&&
3400 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3403 case MESA_FORMAT_ABGR2101010_UINT
:
3404 return (format
== GL_RGBA_INTEGER_EXT
&&
3405 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3408 case MESA_FORMAT_RGB9_E5_FLOAT
:
3409 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_5_9_9_9_REV
&&
3412 case MESA_FORMAT_R11_G11_B10_FLOAT
:
3413 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_10F_11F_11F_REV
&&
3416 case MESA_FORMAT_Z_FLOAT32
:
3417 return format
== GL_DEPTH_COMPONENT
&& type
== GL_FLOAT
&& !swapBytes
;
3419 case MESA_FORMAT_Z32_FLOAT_X24S8
:
3420 return format
== GL_DEPTH_STENCIL
&&
3421 type
== GL_FLOAT_32_UNSIGNED_INT_24_8_REV
&& !swapBytes
;
3423 case MESA_FORMAT_XRGB4444_UNORM
:
3424 case MESA_FORMAT_XRGB1555_UNORM
:
3425 case MESA_FORMAT_XBGR8888_SNORM
:
3426 case MESA_FORMAT_XBGR8888_SRGB
:
3427 case MESA_FORMAT_RGBX_UINT8
:
3428 case MESA_FORMAT_RGBX_SINT8
:
3429 case MESA_FORMAT_XRGB2101010_UNORM
:
3430 case MESA_FORMAT_RGBX_UNORM16
:
3431 case MESA_FORMAT_RGBX_SNORM16
:
3432 case MESA_FORMAT_RGBX_FLOAT16
:
3433 case MESA_FORMAT_RGBX_UINT16
:
3434 case MESA_FORMAT_RGBX_SINT16
:
3435 case MESA_FORMAT_RGBX_FLOAT32
:
3436 case MESA_FORMAT_RGBX_UINT32
:
3437 case MESA_FORMAT_RGBX_SINT32
:
3440 case MESA_FORMAT_ABGR2101010
:
3441 return format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3444 case MESA_FORMAT_SIGNED_RG88
:
3445 return format
== GL_RG
&& type
== GL_BYTE
&& !littleEndian
&&
3448 case MESA_FORMAT_SIGNED_RG1616
:
3449 return format
== GL_RG
&& type
== GL_SHORT
&& !littleEndian
&&