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_RGBA8888
, /* Name */
92 "MESA_FORMAT_RGBA8888", /* StrName */
93 GL_RGBA
, /* BaseFormat */
94 GL_UNSIGNED_NORMALIZED
, /* DataType */
95 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
96 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
97 1, 1, 4 /* BlockWidth/Height,Bytes */
100 MESA_FORMAT_RGBA8888_REV
, /* Name */
101 "MESA_FORMAT_RGBA8888_REV", /* StrName */
102 GL_RGBA
, /* BaseFormat */
103 GL_UNSIGNED_NORMALIZED
, /* DataType */
104 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
105 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
106 1, 1, 4 /* BlockWidth/Height,Bytes */
109 MESA_FORMAT_ARGB8888
, /* Name */
110 "MESA_FORMAT_ARGB8888", /* StrName */
111 GL_RGBA
, /* BaseFormat */
112 GL_UNSIGNED_NORMALIZED
, /* DataType */
113 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
114 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
115 1, 1, 4 /* BlockWidth/Height,Bytes */
118 MESA_FORMAT_ARGB8888_REV
, /* Name */
119 "MESA_FORMAT_ARGB8888_REV", /* StrName */
120 GL_RGBA
, /* BaseFormat */
121 GL_UNSIGNED_NORMALIZED
, /* DataType */
122 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
123 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
124 1, 1, 4 /* BlockWidth/Height,Bytes */
127 MESA_FORMAT_RGBX8888
, /* Name */
128 "MESA_FORMAT_RGBX8888", /* StrName */
129 GL_RGB
, /* BaseFormat */
130 GL_UNSIGNED_NORMALIZED
, /* DataType */
131 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
132 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
133 1, 1, 4 /* BlockWidth/Height,Bytes */
136 MESA_FORMAT_RGBX8888_REV
, /* Name */
137 "MESA_FORMAT_RGBX8888_REV", /* StrName */
138 GL_RGB
, /* BaseFormat */
139 GL_UNSIGNED_NORMALIZED
, /* DataType */
140 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
141 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
142 1, 1, 4 /* BlockWidth/Height,Bytes */
145 MESA_FORMAT_XRGB8888
, /* Name */
146 "MESA_FORMAT_XRGB8888", /* StrName */
147 GL_RGB
, /* BaseFormat */
148 GL_UNSIGNED_NORMALIZED
, /* DataType */
149 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
150 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
151 1, 1, 4 /* BlockWidth/Height,Bytes */
154 MESA_FORMAT_XRGB8888_REV
, /* Name */
155 "MESA_FORMAT_XRGB8888_REV", /* StrName */
156 GL_RGB
, /* BaseFormat */
157 GL_UNSIGNED_NORMALIZED
, /* DataType */
158 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
159 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
160 1, 1, 4 /* BlockWidth/Height,Bytes */
163 MESA_FORMAT_RGB888
, /* Name */
164 "MESA_FORMAT_RGB888", /* StrName */
165 GL_RGB
, /* BaseFormat */
166 GL_UNSIGNED_NORMALIZED
, /* DataType */
167 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
168 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
169 1, 1, 3 /* BlockWidth/Height,Bytes */
172 MESA_FORMAT_BGR888
, /* Name */
173 "MESA_FORMAT_BGR888", /* StrName */
174 GL_RGB
, /* BaseFormat */
175 GL_UNSIGNED_NORMALIZED
, /* DataType */
176 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
177 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
178 1, 1, 3 /* BlockWidth/Height,Bytes */
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_A8
, /* Name */
299 "MESA_FORMAT_A8", /* StrName */
300 GL_ALPHA
, /* BaseFormat */
301 GL_UNSIGNED_NORMALIZED
, /* DataType */
302 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
303 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
304 1, 1, 1 /* BlockWidth/Height,Bytes */
307 MESA_FORMAT_A16
, /* Name */
308 "MESA_FORMAT_A16", /* StrName */
309 GL_ALPHA
, /* BaseFormat */
310 GL_UNSIGNED_NORMALIZED
, /* DataType */
311 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
312 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
313 1, 1, 2 /* BlockWidth/Height,Bytes */
316 MESA_FORMAT_L8
, /* Name */
317 "MESA_FORMAT_L8", /* StrName */
318 GL_LUMINANCE
, /* BaseFormat */
319 GL_UNSIGNED_NORMALIZED
, /* DataType */
320 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
321 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
322 1, 1, 1 /* BlockWidth/Height,Bytes */
325 MESA_FORMAT_L16
, /* Name */
326 "MESA_FORMAT_L16", /* StrName */
327 GL_LUMINANCE
, /* BaseFormat */
328 GL_UNSIGNED_NORMALIZED
, /* DataType */
329 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
330 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
331 1, 1, 2 /* BlockWidth/Height,Bytes */
334 MESA_FORMAT_I8
, /* Name */
335 "MESA_FORMAT_I8", /* StrName */
336 GL_INTENSITY
, /* BaseFormat */
337 GL_UNSIGNED_NORMALIZED
, /* DataType */
338 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
339 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
340 1, 1, 1 /* BlockWidth/Height,Bytes */
343 MESA_FORMAT_I16
, /* Name */
344 "MESA_FORMAT_I16", /* StrName */
345 GL_INTENSITY
, /* BaseFormat */
346 GL_UNSIGNED_NORMALIZED
, /* DataType */
347 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
348 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
349 1, 1, 2 /* BlockWidth/Height,Bytes */
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 */
373 GL_UNSIGNED_NORMALIZED
,
382 GL_UNSIGNED_NORMALIZED
,
391 GL_UNSIGNED_NORMALIZED
,
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_Z16
, /* Name */
452 "MESA_FORMAT_Z16", /* StrName */
453 GL_DEPTH_COMPONENT
, /* BaseFormat */
454 GL_UNSIGNED_NORMALIZED
, /* DataType */
455 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
456 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
457 1, 1, 2 /* BlockWidth/Height,Bytes */
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_Z32
, /* Name */
479 "MESA_FORMAT_Z32", /* StrName */
480 GL_DEPTH_COMPONENT
, /* BaseFormat */
481 GL_UNSIGNED_NORMALIZED
, /* DataType */
482 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
483 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
484 1, 1, 4 /* BlockWidth/Height,Bytes */
487 MESA_FORMAT_S8
, /* Name */
488 "MESA_FORMAT_S8", /* StrName */
489 GL_STENCIL_INDEX
, /* BaseFormat */
490 GL_UNSIGNED_INT
, /* DataType */
491 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
492 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
493 1, 1, 1 /* BlockWidth/Height,Bytes */
499 GL_UNSIGNED_NORMALIZED
,
506 "MESA_FORMAT_SRGBA8",
508 GL_UNSIGNED_NORMALIZED
,
515 "MESA_FORMAT_SARGB8",
517 GL_UNSIGNED_NORMALIZED
,
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_16
,
1310 "MESA_FORMAT_RGBA_16",
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_Z32_FLOAT
, /* Name */
1594 "MESA_FORMAT_Z32_FLOAT", /* StrName */
1595 GL_DEPTH_COMPONENT
, /* BaseFormat */
1596 GL_FLOAT
, /* DataType */
1597 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1598 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
1599 1, 1, 4 /* BlockWidth/Height,Bytes */
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_XBGR8888_UINT
,
1669 "MESA_FORMAT_XBGR8888_UINT",
1677 MESA_FORMAT_XBGR8888_SINT
,
1678 "MESA_FORMAT_XBGR8888_SINT",
1686 MESA_FORMAT_XRGB2101010_UNORM
,
1687 "MESA_FORMAT_XRGB2101010_UNORM",
1689 GL_UNSIGNED_NORMALIZED
,
1695 MESA_FORMAT_XBGR16161616_UNORM
,
1696 "MESA_FORMAT_XBGR16161616_UNORM",
1698 GL_UNSIGNED_NORMALIZED
,
1704 MESA_FORMAT_XBGR16161616_SNORM
,
1705 "MESA_FORMAT_XBGR16161616_SNORM",
1707 GL_SIGNED_NORMALIZED
,
1713 MESA_FORMAT_XBGR16161616_FLOAT
,
1714 "MESA_FORMAT_XBGR16161616_FLOAT",
1722 MESA_FORMAT_XBGR16161616_UINT
,
1723 "MESA_FORMAT_XBGR16161616_UINT",
1731 MESA_FORMAT_XBGR16161616_SINT
,
1732 "MESA_FORMAT_XBGR16161616_SINT",
1740 MESA_FORMAT_XBGR32323232_FLOAT
,
1741 "MESA_FORMAT_XBGR32323232_FLOAT",
1749 MESA_FORMAT_XBGR32323232_UINT
,
1750 "MESA_FORMAT_XBGR32323232_UINT",
1758 MESA_FORMAT_XBGR32323232_SINT
,
1759 "MESA_FORMAT_XBGR32323232_SINT",
1770 static const struct gl_format_info
*
1771 _mesa_get_format_info(gl_format format
)
1773 const struct gl_format_info
*info
= &format_info
[format
];
1774 assert(info
->Name
== format
);
1779 /** Return string name of format (for debugging) */
1781 _mesa_get_format_name(gl_format format
)
1783 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1784 return info
->StrName
;
1790 * Return bytes needed to store a block of pixels in the given format.
1791 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1792 * a block may be 4x4 or 8x4, etc.
1794 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1797 _mesa_get_format_bytes(gl_format format
)
1799 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1800 ASSERT(info
->BytesPerBlock
);
1801 ASSERT(info
->BytesPerBlock
<= MAX_PIXEL_BYTES
||
1802 _mesa_is_format_compressed(format
));
1803 return info
->BytesPerBlock
;
1808 * Return bits per component for the given format.
1809 * \param format one of MESA_FORMAT_x
1810 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1813 _mesa_get_format_bits(gl_format format
, GLenum pname
)
1815 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1819 case GL_TEXTURE_RED_SIZE
:
1820 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1821 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
1822 return info
->RedBits
;
1824 case GL_TEXTURE_GREEN_SIZE
:
1825 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1826 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
1827 return info
->GreenBits
;
1829 case GL_TEXTURE_BLUE_SIZE
:
1830 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1831 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
1832 return info
->BlueBits
;
1834 case GL_TEXTURE_ALPHA_SIZE
:
1835 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1836 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
1837 return info
->AlphaBits
;
1838 case GL_TEXTURE_INTENSITY_SIZE
:
1839 return info
->IntensityBits
;
1840 case GL_TEXTURE_LUMINANCE_SIZE
:
1841 return info
->LuminanceBits
;
1843 return info
->IndexBits
;
1845 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1846 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1847 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
1848 return info
->DepthBits
;
1849 case GL_STENCIL_BITS
:
1850 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1851 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1852 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
1853 return info
->StencilBits
;
1855 _mesa_problem(NULL
, "bad pname in _mesa_get_format_bits()");
1862 _mesa_get_format_max_bits(gl_format format
)
1864 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1865 GLuint max
= MAX2(info
->RedBits
, info
->GreenBits
);
1866 max
= MAX2(max
, info
->BlueBits
);
1867 max
= MAX2(max
, info
->AlphaBits
);
1868 max
= MAX2(max
, info
->LuminanceBits
);
1869 max
= MAX2(max
, info
->IntensityBits
);
1870 max
= MAX2(max
, info
->DepthBits
);
1871 max
= MAX2(max
, info
->StencilBits
);
1877 * Return the data type (or more specifically, the data representation)
1878 * for the given format.
1879 * The return value will be one of:
1880 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1881 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1882 * GL_UNSIGNED_INT = an ordinary unsigned integer
1883 * GL_INT = an ordinary signed integer
1884 * GL_FLOAT = an ordinary float
1887 _mesa_get_format_datatype(gl_format format
)
1889 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1890 return info
->DataType
;
1895 * Return the basic format for the given type. The result will be one of
1896 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1897 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1900 _mesa_get_format_base_format(gl_format format
)
1902 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1903 return info
->BaseFormat
;
1908 * Return the block size (in pixels) for the given format. Normally
1909 * the block size is 1x1. But compressed formats will have block sizes
1910 * of 4x4 or 8x4 pixels, etc.
1911 * \param bw returns block width in pixels
1912 * \param bh returns block height in pixels
1915 _mesa_get_format_block_size(gl_format format
, GLuint
*bw
, GLuint
*bh
)
1917 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1918 *bw
= info
->BlockWidth
;
1919 *bh
= info
->BlockHeight
;
1923 /** Is the given format a compressed format? */
1925 _mesa_is_format_compressed(gl_format format
)
1927 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1928 return info
->BlockWidth
> 1 || info
->BlockHeight
> 1;
1933 * Determine if the given format represents a packed depth/stencil buffer.
1936 _mesa_is_format_packed_depth_stencil(gl_format format
)
1938 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1940 return info
->BaseFormat
== GL_DEPTH_STENCIL
;
1945 * Is the given format a signed/unsigned integer color format?
1948 _mesa_is_format_integer_color(gl_format format
)
1950 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1951 return (info
->DataType
== GL_INT
|| info
->DataType
== GL_UNSIGNED_INT
) &&
1952 info
->BaseFormat
!= GL_DEPTH_COMPONENT
&&
1953 info
->BaseFormat
!= GL_DEPTH_STENCIL
&&
1954 info
->BaseFormat
!= GL_STENCIL_INDEX
;
1959 * Is the given format an unsigned integer format?
1962 _mesa_is_format_unsigned(gl_format format
)
1964 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1965 return _mesa_is_type_unsigned(info
->DataType
);
1970 * Does the given format store signed values?
1973 _mesa_is_format_signed(gl_format format
)
1975 if (format
== MESA_FORMAT_R11_G11_B10_FLOAT
||
1976 format
== MESA_FORMAT_RGB9_E5_FLOAT
) {
1977 /* these packed float formats only store unsigned values */
1981 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1982 return (info
->DataType
== GL_SIGNED_NORMALIZED
||
1983 info
->DataType
== GL_INT
||
1984 info
->DataType
== GL_FLOAT
);
1990 * Return color encoding for given format.
1991 * \return GL_LINEAR or GL_SRGB
1994 _mesa_get_format_color_encoding(gl_format format
)
1996 /* XXX this info should be encoded in gl_format_info */
1998 case MESA_FORMAT_SRGB8
:
1999 case MESA_FORMAT_SRGBA8
:
2000 case MESA_FORMAT_SARGB8
:
2001 case MESA_FORMAT_SL8
:
2002 case MESA_FORMAT_SLA8
:
2003 case MESA_FORMAT_SRGB_DXT1
:
2004 case MESA_FORMAT_SRGBA_DXT1
:
2005 case MESA_FORMAT_SRGBA_DXT3
:
2006 case MESA_FORMAT_SRGBA_DXT5
:
2007 case MESA_FORMAT_XBGR8888_SRGB
:
2016 * For an sRGB format, return the corresponding linear color space format.
2017 * For non-sRGB formats, return the format as-is.
2020 _mesa_get_srgb_format_linear(gl_format format
)
2023 case MESA_FORMAT_SRGB8
:
2024 format
= MESA_FORMAT_RGB888
;
2026 case MESA_FORMAT_SRGBA8
:
2027 format
= MESA_FORMAT_RGBA8888
;
2029 case MESA_FORMAT_SARGB8
:
2030 format
= MESA_FORMAT_ARGB8888
;
2032 case MESA_FORMAT_SL8
:
2033 format
= MESA_FORMAT_L8
;
2035 case MESA_FORMAT_SLA8
:
2036 format
= MESA_FORMAT_AL88
;
2038 case MESA_FORMAT_SRGB_DXT1
:
2039 format
= MESA_FORMAT_RGB_DXT1
;
2041 case MESA_FORMAT_SRGBA_DXT1
:
2042 format
= MESA_FORMAT_RGBA_DXT1
;
2044 case MESA_FORMAT_SRGBA_DXT3
:
2045 format
= MESA_FORMAT_RGBA_DXT3
;
2047 case MESA_FORMAT_SRGBA_DXT5
:
2048 format
= MESA_FORMAT_RGBA_DXT5
;
2050 case MESA_FORMAT_XBGR8888_SRGB
:
2051 format
= MESA_FORMAT_RGBX8888_REV
;
2061 * If the given format is a compressed format, return a corresponding
2062 * uncompressed format.
2065 _mesa_get_uncompressed_format(gl_format format
)
2068 case MESA_FORMAT_RGB_FXT1
:
2069 return MESA_FORMAT_RGB888
;
2070 case MESA_FORMAT_RGBA_FXT1
:
2071 return MESA_FORMAT_RGBA8888
;
2072 case MESA_FORMAT_RGB_DXT1
:
2073 case MESA_FORMAT_SRGB_DXT1
:
2074 return MESA_FORMAT_RGB888
;
2075 case MESA_FORMAT_RGBA_DXT1
:
2076 case MESA_FORMAT_SRGBA_DXT1
:
2077 return MESA_FORMAT_RGBA8888
;
2078 case MESA_FORMAT_RGBA_DXT3
:
2079 case MESA_FORMAT_SRGBA_DXT3
:
2080 return MESA_FORMAT_RGBA8888
;
2081 case MESA_FORMAT_RGBA_DXT5
:
2082 case MESA_FORMAT_SRGBA_DXT5
:
2083 return MESA_FORMAT_RGBA8888
;
2084 case MESA_FORMAT_RED_RGTC1
:
2085 return MESA_FORMAT_R8
;
2086 case MESA_FORMAT_SIGNED_RED_RGTC1
:
2087 return MESA_FORMAT_SIGNED_R8
;
2088 case MESA_FORMAT_RG_RGTC2
:
2089 return MESA_FORMAT_GR88
;
2090 case MESA_FORMAT_SIGNED_RG_RGTC2
:
2091 return MESA_FORMAT_SIGNED_RG88_REV
;
2092 case MESA_FORMAT_L_LATC1
:
2093 return MESA_FORMAT_L8
;
2094 case MESA_FORMAT_SIGNED_L_LATC1
:
2095 return MESA_FORMAT_SIGNED_L8
;
2096 case MESA_FORMAT_LA_LATC2
:
2097 return MESA_FORMAT_AL88
;
2098 case MESA_FORMAT_SIGNED_LA_LATC2
:
2099 return MESA_FORMAT_SIGNED_AL88
;
2100 case MESA_FORMAT_ETC1_RGB8
:
2101 case MESA_FORMAT_ETC2_RGB8
:
2102 case MESA_FORMAT_ETC2_SRGB8
:
2103 return MESA_FORMAT_RGB888
;
2104 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2105 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2106 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2107 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2108 return MESA_FORMAT_RGBA8888
;
2109 case MESA_FORMAT_ETC2_R11_EAC
:
2110 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2111 return MESA_FORMAT_R16
;
2112 case MESA_FORMAT_ETC2_RG11_EAC
:
2113 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2114 return MESA_FORMAT_GR1616
;
2117 assert(!_mesa_is_format_compressed(format
));
2125 _mesa_format_num_components(gl_format format
)
2127 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2128 return ((info
->RedBits
> 0) +
2129 (info
->GreenBits
> 0) +
2130 (info
->BlueBits
> 0) +
2131 (info
->AlphaBits
> 0) +
2132 (info
->LuminanceBits
> 0) +
2133 (info
->IntensityBits
> 0) +
2134 (info
->DepthBits
> 0) +
2135 (info
->StencilBits
> 0));
2140 * Return number of bytes needed to store an image of the given size
2141 * in the given format.
2144 _mesa_format_image_size(gl_format format
, GLsizei width
,
2145 GLsizei height
, GLsizei depth
)
2147 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2148 /* Strictly speaking, a conditional isn't needed here */
2149 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2150 /* compressed format (2D only for now) */
2151 const GLuint bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2152 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2153 const GLuint hblocks
= (height
+ bh
- 1) / bh
;
2154 const GLuint sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2158 /* non-compressed */
2159 const GLuint sz
= width
* height
* depth
* info
->BytesPerBlock
;
2166 * Same as _mesa_format_image_size() but returns a 64-bit value to
2167 * accomodate very large textures.
2170 _mesa_format_image_size64(gl_format format
, GLsizei width
,
2171 GLsizei height
, GLsizei depth
)
2173 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2174 /* Strictly speaking, a conditional isn't needed here */
2175 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2176 /* compressed format (2D only for now) */
2177 const uint64_t bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2178 const uint64_t wblocks
= (width
+ bw
- 1) / bw
;
2179 const uint64_t hblocks
= (height
+ bh
- 1) / bh
;
2180 const uint64_t sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2184 /* non-compressed */
2185 const uint64_t sz
= ((uint64_t) width
*
2188 info
->BytesPerBlock
);
2196 _mesa_format_row_stride(gl_format format
, GLsizei width
)
2198 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2199 /* Strictly speaking, a conditional isn't needed here */
2200 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2201 /* compressed format */
2202 const GLuint bw
= info
->BlockWidth
;
2203 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2204 const GLint stride
= wblocks
* info
->BytesPerBlock
;
2208 const GLint stride
= width
* info
->BytesPerBlock
;
2215 * Debug/test: check that all formats are handled in the
2216 * _mesa_format_to_type_and_comps() function. When new pixel formats
2217 * are added to Mesa, that function needs to be updated.
2218 * This is a no-op after the first call.
2221 check_format_to_type_and_comps(void)
2225 for (f
= MESA_FORMAT_NONE
+ 1; f
< MESA_FORMAT_COUNT
; f
++) {
2226 GLenum datatype
= 0;
2228 /* This function will emit a problem/warning if the format is
2231 _mesa_format_to_type_and_comps(f
, &datatype
, &comps
);
2237 * Do sanity checking of the format info table.
2240 _mesa_test_formats(void)
2244 STATIC_ASSERT(Elements(format_info
) == MESA_FORMAT_COUNT
);
2246 for (i
= 0; i
< MESA_FORMAT_COUNT
; i
++) {
2247 const struct gl_format_info
*info
= _mesa_get_format_info(i
);
2250 assert(info
->Name
== i
);
2252 if (info
->Name
== MESA_FORMAT_NONE
)
2255 if (info
->BlockWidth
== 1 && info
->BlockHeight
== 1) {
2256 if (info
->RedBits
> 0) {
2257 GLuint t
= info
->RedBits
+ info
->GreenBits
2258 + info
->BlueBits
+ info
->AlphaBits
;
2259 assert(t
/ 8 <= info
->BytesPerBlock
);
2264 assert(info
->DataType
== GL_UNSIGNED_NORMALIZED
||
2265 info
->DataType
== GL_SIGNED_NORMALIZED
||
2266 info
->DataType
== GL_UNSIGNED_INT
||
2267 info
->DataType
== GL_INT
||
2268 info
->DataType
== GL_FLOAT
||
2269 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2270 info
->DataType
== GL_NONE
);
2272 if (info
->BaseFormat
== GL_RGB
) {
2273 assert(info
->RedBits
> 0);
2274 assert(info
->GreenBits
> 0);
2275 assert(info
->BlueBits
> 0);
2276 assert(info
->AlphaBits
== 0);
2277 assert(info
->LuminanceBits
== 0);
2278 assert(info
->IntensityBits
== 0);
2280 else if (info
->BaseFormat
== GL_RGBA
) {
2281 assert(info
->RedBits
> 0);
2282 assert(info
->GreenBits
> 0);
2283 assert(info
->BlueBits
> 0);
2284 assert(info
->AlphaBits
> 0);
2285 assert(info
->LuminanceBits
== 0);
2286 assert(info
->IntensityBits
== 0);
2288 else if (info
->BaseFormat
== GL_RG
) {
2289 assert(info
->RedBits
> 0);
2290 assert(info
->GreenBits
> 0);
2291 assert(info
->BlueBits
== 0);
2292 assert(info
->AlphaBits
== 0);
2293 assert(info
->LuminanceBits
== 0);
2294 assert(info
->IntensityBits
== 0);
2296 else if (info
->BaseFormat
== GL_RED
) {
2297 assert(info
->RedBits
> 0);
2298 assert(info
->GreenBits
== 0);
2299 assert(info
->BlueBits
== 0);
2300 assert(info
->AlphaBits
== 0);
2301 assert(info
->LuminanceBits
== 0);
2302 assert(info
->IntensityBits
== 0);
2304 else if (info
->BaseFormat
== GL_LUMINANCE
) {
2305 assert(info
->RedBits
== 0);
2306 assert(info
->GreenBits
== 0);
2307 assert(info
->BlueBits
== 0);
2308 assert(info
->AlphaBits
== 0);
2309 assert(info
->LuminanceBits
> 0);
2310 assert(info
->IntensityBits
== 0);
2312 else if (info
->BaseFormat
== GL_INTENSITY
) {
2313 assert(info
->RedBits
== 0);
2314 assert(info
->GreenBits
== 0);
2315 assert(info
->BlueBits
== 0);
2316 assert(info
->AlphaBits
== 0);
2317 assert(info
->LuminanceBits
== 0);
2318 assert(info
->IntensityBits
> 0);
2322 check_format_to_type_and_comps();
2328 * Return datatype and number of components per texel for the given gl_format.
2329 * Only used for mipmap generation code.
2332 _mesa_format_to_type_and_comps(gl_format format
,
2333 GLenum
*datatype
, GLuint
*comps
)
2336 case MESA_FORMAT_RGBA8888
:
2337 case MESA_FORMAT_RGBA8888_REV
:
2338 case MESA_FORMAT_ARGB8888
:
2339 case MESA_FORMAT_ARGB8888_REV
:
2340 case MESA_FORMAT_RGBX8888
:
2341 case MESA_FORMAT_RGBX8888_REV
:
2342 case MESA_FORMAT_XRGB8888
:
2343 case MESA_FORMAT_XRGB8888_REV
:
2344 *datatype
= GL_UNSIGNED_BYTE
;
2347 case MESA_FORMAT_RGB888
:
2348 case MESA_FORMAT_BGR888
:
2349 *datatype
= GL_UNSIGNED_BYTE
;
2352 case MESA_FORMAT_RGB565
:
2353 case MESA_FORMAT_RGB565_REV
:
2354 *datatype
= GL_UNSIGNED_SHORT_5_6_5
;
2358 case MESA_FORMAT_ARGB4444
:
2359 case MESA_FORMAT_ARGB4444_REV
:
2360 case MESA_FORMAT_XRGB4444_UNORM
:
2361 *datatype
= GL_UNSIGNED_SHORT_4_4_4_4
;
2365 case MESA_FORMAT_ARGB1555
:
2366 case MESA_FORMAT_ARGB1555_REV
:
2367 case MESA_FORMAT_XRGB1555_UNORM
:
2368 *datatype
= GL_UNSIGNED_SHORT_1_5_5_5_REV
;
2372 case MESA_FORMAT_ARGB2101010
:
2373 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2377 case MESA_FORMAT_RGBA5551
:
2378 *datatype
= GL_UNSIGNED_SHORT_5_5_5_1
;
2382 case MESA_FORMAT_AL44
:
2383 *datatype
= MESA_UNSIGNED_BYTE_4_4
;
2387 case MESA_FORMAT_AL88
:
2388 case MESA_FORMAT_AL88_REV
:
2389 case MESA_FORMAT_GR88
:
2390 case MESA_FORMAT_RG88
:
2391 *datatype
= GL_UNSIGNED_BYTE
;
2395 case MESA_FORMAT_AL1616
:
2396 case MESA_FORMAT_AL1616_REV
:
2397 case MESA_FORMAT_GR1616
:
2398 case MESA_FORMAT_RG1616
:
2399 *datatype
= GL_UNSIGNED_SHORT
;
2403 case MESA_FORMAT_R16
:
2404 case MESA_FORMAT_A16
:
2405 case MESA_FORMAT_L16
:
2406 case MESA_FORMAT_I16
:
2407 *datatype
= GL_UNSIGNED_SHORT
;
2411 case MESA_FORMAT_RGB332
:
2412 *datatype
= GL_UNSIGNED_BYTE_3_3_2
;
2416 case MESA_FORMAT_A8
:
2417 case MESA_FORMAT_L8
:
2418 case MESA_FORMAT_I8
:
2419 case MESA_FORMAT_R8
:
2420 case MESA_FORMAT_S8
:
2421 *datatype
= GL_UNSIGNED_BYTE
;
2425 case MESA_FORMAT_YCBCR
:
2426 case MESA_FORMAT_YCBCR_REV
:
2427 *datatype
= GL_UNSIGNED_SHORT
;
2431 case MESA_FORMAT_Z24_S8
:
2432 *datatype
= GL_UNSIGNED_INT_24_8_MESA
;
2436 case MESA_FORMAT_S8_Z24
:
2437 *datatype
= GL_UNSIGNED_INT_8_24_REV_MESA
;
2441 case MESA_FORMAT_Z16
:
2442 *datatype
= GL_UNSIGNED_SHORT
;
2446 case MESA_FORMAT_X8_Z24
:
2447 *datatype
= GL_UNSIGNED_INT
;
2451 case MESA_FORMAT_Z24_X8
:
2452 *datatype
= GL_UNSIGNED_INT
;
2456 case MESA_FORMAT_Z32
:
2457 *datatype
= GL_UNSIGNED_INT
;
2461 case MESA_FORMAT_Z32_FLOAT
:
2462 *datatype
= GL_FLOAT
;
2466 case MESA_FORMAT_Z32_FLOAT_X24S8
:
2467 *datatype
= GL_FLOAT_32_UNSIGNED_INT_24_8_REV
;
2471 case MESA_FORMAT_DUDV8
:
2472 *datatype
= GL_BYTE
;
2476 case MESA_FORMAT_SIGNED_R8
:
2477 case MESA_FORMAT_SIGNED_A8
:
2478 case MESA_FORMAT_SIGNED_L8
:
2479 case MESA_FORMAT_SIGNED_I8
:
2480 *datatype
= GL_BYTE
;
2483 case MESA_FORMAT_SIGNED_RG88_REV
:
2484 case MESA_FORMAT_SIGNED_AL88
:
2485 *datatype
= GL_BYTE
;
2488 case MESA_FORMAT_SIGNED_RGBA8888
:
2489 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
2490 case MESA_FORMAT_SIGNED_RGBX8888
:
2491 *datatype
= GL_BYTE
;
2495 case MESA_FORMAT_RGBA_16
:
2496 *datatype
= GL_UNSIGNED_SHORT
;
2500 case MESA_FORMAT_SIGNED_R16
:
2501 case MESA_FORMAT_SIGNED_A16
:
2502 case MESA_FORMAT_SIGNED_L16
:
2503 case MESA_FORMAT_SIGNED_I16
:
2504 *datatype
= GL_SHORT
;
2507 case MESA_FORMAT_SIGNED_GR1616
:
2508 case MESA_FORMAT_SIGNED_AL1616
:
2509 *datatype
= GL_SHORT
;
2512 case MESA_FORMAT_SIGNED_RGB_16
:
2513 *datatype
= GL_SHORT
;
2516 case MESA_FORMAT_SIGNED_RGBA_16
:
2517 *datatype
= GL_SHORT
;
2521 case MESA_FORMAT_SRGB8
:
2522 *datatype
= GL_UNSIGNED_BYTE
;
2525 case MESA_FORMAT_SRGBA8
:
2526 case MESA_FORMAT_SARGB8
:
2527 *datatype
= GL_UNSIGNED_BYTE
;
2530 case MESA_FORMAT_SL8
:
2531 *datatype
= GL_UNSIGNED_BYTE
;
2534 case MESA_FORMAT_SLA8
:
2535 *datatype
= GL_UNSIGNED_BYTE
;
2539 case MESA_FORMAT_RGB_FXT1
:
2540 case MESA_FORMAT_RGBA_FXT1
:
2541 case MESA_FORMAT_RGB_DXT1
:
2542 case MESA_FORMAT_RGBA_DXT1
:
2543 case MESA_FORMAT_RGBA_DXT3
:
2544 case MESA_FORMAT_RGBA_DXT5
:
2545 case MESA_FORMAT_SRGB_DXT1
:
2546 case MESA_FORMAT_SRGBA_DXT1
:
2547 case MESA_FORMAT_SRGBA_DXT3
:
2548 case MESA_FORMAT_SRGBA_DXT5
:
2549 case MESA_FORMAT_RED_RGTC1
:
2550 case MESA_FORMAT_SIGNED_RED_RGTC1
:
2551 case MESA_FORMAT_RG_RGTC2
:
2552 case MESA_FORMAT_SIGNED_RG_RGTC2
:
2553 case MESA_FORMAT_L_LATC1
:
2554 case MESA_FORMAT_SIGNED_L_LATC1
:
2555 case MESA_FORMAT_LA_LATC2
:
2556 case MESA_FORMAT_SIGNED_LA_LATC2
:
2557 case MESA_FORMAT_ETC1_RGB8
:
2558 case MESA_FORMAT_ETC2_RGB8
:
2559 case MESA_FORMAT_ETC2_SRGB8
:
2560 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2561 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2562 case MESA_FORMAT_ETC2_R11_EAC
:
2563 case MESA_FORMAT_ETC2_RG11_EAC
:
2564 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2565 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2566 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2567 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2568 /* XXX generate error instead? */
2569 *datatype
= GL_UNSIGNED_BYTE
;
2573 case MESA_FORMAT_RGBA_FLOAT32
:
2574 *datatype
= GL_FLOAT
;
2577 case MESA_FORMAT_RGBA_FLOAT16
:
2578 *datatype
= GL_HALF_FLOAT_ARB
;
2581 case MESA_FORMAT_RGB_FLOAT32
:
2582 *datatype
= GL_FLOAT
;
2585 case MESA_FORMAT_RGB_FLOAT16
:
2586 *datatype
= GL_HALF_FLOAT_ARB
;
2589 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
2590 case MESA_FORMAT_RG_FLOAT32
:
2591 *datatype
= GL_FLOAT
;
2594 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
2595 case MESA_FORMAT_RG_FLOAT16
:
2596 *datatype
= GL_HALF_FLOAT_ARB
;
2599 case MESA_FORMAT_ALPHA_FLOAT32
:
2600 case MESA_FORMAT_LUMINANCE_FLOAT32
:
2601 case MESA_FORMAT_INTENSITY_FLOAT32
:
2602 case MESA_FORMAT_R_FLOAT32
:
2603 *datatype
= GL_FLOAT
;
2606 case MESA_FORMAT_ALPHA_FLOAT16
:
2607 case MESA_FORMAT_LUMINANCE_FLOAT16
:
2608 case MESA_FORMAT_INTENSITY_FLOAT16
:
2609 case MESA_FORMAT_R_FLOAT16
:
2610 *datatype
= GL_HALF_FLOAT_ARB
;
2614 case MESA_FORMAT_ALPHA_UINT8
:
2615 case MESA_FORMAT_LUMINANCE_UINT8
:
2616 case MESA_FORMAT_INTENSITY_UINT8
:
2617 *datatype
= GL_UNSIGNED_BYTE
;
2620 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
2621 *datatype
= GL_UNSIGNED_BYTE
;
2625 case MESA_FORMAT_ALPHA_UINT16
:
2626 case MESA_FORMAT_LUMINANCE_UINT16
:
2627 case MESA_FORMAT_INTENSITY_UINT16
:
2628 *datatype
= GL_UNSIGNED_SHORT
;
2631 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
2632 *datatype
= GL_UNSIGNED_SHORT
;
2635 case MESA_FORMAT_ALPHA_UINT32
:
2636 case MESA_FORMAT_LUMINANCE_UINT32
:
2637 case MESA_FORMAT_INTENSITY_UINT32
:
2638 *datatype
= GL_UNSIGNED_INT
;
2641 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
2642 *datatype
= GL_UNSIGNED_INT
;
2645 case MESA_FORMAT_ALPHA_INT8
:
2646 case MESA_FORMAT_LUMINANCE_INT8
:
2647 case MESA_FORMAT_INTENSITY_INT8
:
2648 *datatype
= GL_BYTE
;
2651 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
2652 *datatype
= GL_BYTE
;
2656 case MESA_FORMAT_ALPHA_INT16
:
2657 case MESA_FORMAT_LUMINANCE_INT16
:
2658 case MESA_FORMAT_INTENSITY_INT16
:
2659 *datatype
= GL_SHORT
;
2662 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
2663 *datatype
= GL_SHORT
;
2667 case MESA_FORMAT_ALPHA_INT32
:
2668 case MESA_FORMAT_LUMINANCE_INT32
:
2669 case MESA_FORMAT_INTENSITY_INT32
:
2673 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
2678 case MESA_FORMAT_R_INT8
:
2679 *datatype
= GL_BYTE
;
2682 case MESA_FORMAT_RG_INT8
:
2683 *datatype
= GL_BYTE
;
2686 case MESA_FORMAT_RGB_INT8
:
2687 *datatype
= GL_BYTE
;
2690 case MESA_FORMAT_RGBA_INT8
:
2691 *datatype
= GL_BYTE
;
2694 case MESA_FORMAT_R_INT16
:
2695 *datatype
= GL_SHORT
;
2698 case MESA_FORMAT_RG_INT16
:
2699 *datatype
= GL_SHORT
;
2702 case MESA_FORMAT_RGB_INT16
:
2703 *datatype
= GL_SHORT
;
2706 case MESA_FORMAT_RGBA_INT16
:
2707 *datatype
= GL_SHORT
;
2710 case MESA_FORMAT_R_INT32
:
2714 case MESA_FORMAT_RG_INT32
:
2718 case MESA_FORMAT_RGB_INT32
:
2722 case MESA_FORMAT_RGBA_INT32
:
2728 * \name Non-normalized unsigned integer formats.
2730 case MESA_FORMAT_R_UINT8
:
2731 *datatype
= GL_UNSIGNED_BYTE
;
2734 case MESA_FORMAT_RG_UINT8
:
2735 *datatype
= GL_UNSIGNED_BYTE
;
2738 case MESA_FORMAT_RGB_UINT8
:
2739 *datatype
= GL_UNSIGNED_BYTE
;
2742 case MESA_FORMAT_RGBA_UINT8
:
2743 *datatype
= GL_UNSIGNED_BYTE
;
2746 case MESA_FORMAT_R_UINT16
:
2747 *datatype
= GL_UNSIGNED_SHORT
;
2750 case MESA_FORMAT_RG_UINT16
:
2751 *datatype
= GL_UNSIGNED_SHORT
;
2754 case MESA_FORMAT_RGB_UINT16
:
2755 *datatype
= GL_UNSIGNED_SHORT
;
2758 case MESA_FORMAT_RGBA_UINT16
:
2759 *datatype
= GL_UNSIGNED_SHORT
;
2762 case MESA_FORMAT_R_UINT32
:
2763 *datatype
= GL_UNSIGNED_INT
;
2766 case MESA_FORMAT_RG_UINT32
:
2767 *datatype
= GL_UNSIGNED_INT
;
2770 case MESA_FORMAT_RGB_UINT32
:
2771 *datatype
= GL_UNSIGNED_INT
;
2774 case MESA_FORMAT_RGBA_UINT32
:
2775 *datatype
= GL_UNSIGNED_INT
;
2779 case MESA_FORMAT_RGB9_E5_FLOAT
:
2780 *datatype
= GL_UNSIGNED_INT_5_9_9_9_REV
;
2784 case MESA_FORMAT_R11_G11_B10_FLOAT
:
2785 *datatype
= GL_UNSIGNED_INT_10F_11F_11F_REV
;
2789 case MESA_FORMAT_ARGB2101010_UINT
:
2790 case MESA_FORMAT_ABGR2101010_UINT
:
2791 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2795 case MESA_FORMAT_XBGR8888_SRGB
:
2796 case MESA_FORMAT_XBGR8888_UINT
:
2797 *datatype
= GL_UNSIGNED_BYTE
;
2801 case MESA_FORMAT_XBGR8888_SNORM
:
2802 case MESA_FORMAT_XBGR8888_SINT
:
2803 *datatype
= GL_BYTE
;
2807 case MESA_FORMAT_XRGB2101010_UNORM
:
2808 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2812 case MESA_FORMAT_XBGR16161616_UNORM
:
2813 case MESA_FORMAT_XBGR16161616_UINT
:
2814 *datatype
= GL_UNSIGNED_SHORT
;
2818 case MESA_FORMAT_XBGR16161616_SNORM
:
2819 case MESA_FORMAT_XBGR16161616_SINT
:
2820 *datatype
= GL_SHORT
;
2824 case MESA_FORMAT_XBGR16161616_FLOAT
:
2825 *datatype
= GL_HALF_FLOAT
;
2829 case MESA_FORMAT_XBGR32323232_FLOAT
:
2830 *datatype
= GL_FLOAT
;
2834 case MESA_FORMAT_XBGR32323232_UINT
:
2835 *datatype
= GL_UNSIGNED_INT
;
2839 case MESA_FORMAT_XBGR32323232_SINT
:
2844 case MESA_FORMAT_COUNT
:
2848 case MESA_FORMAT_NONE
:
2849 /* For debug builds, warn if any formats are not handled */
2853 _mesa_problem(NULL
, "bad format %s in _mesa_format_to_type_and_comps",
2854 _mesa_get_format_name(format
));
2861 * Check if a gl_format exactly matches a GL format/type combination
2862 * such that we can use memcpy() from one to the other.
2863 * \param gl_format a MESA_FORMAT_x value
2864 * \param format the user-specified image format
2865 * \param type the user-specified image datatype
2866 * \param swapBytes typically the current pixel pack/unpack byteswap state
2867 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2870 _mesa_format_matches_format_and_type(gl_format gl_format
,
2871 GLenum format
, GLenum type
,
2872 GLboolean swapBytes
)
2874 const GLboolean littleEndian
= _mesa_little_endian();
2876 /* Note: When reading a GL format/type combination, the format lists channel
2877 * assignments from most significant channel in the type to least
2878 * significant. A type with _REV indicates that the assignments are
2879 * swapped, so they are listed from least significant to most significant.
2881 * For sanity, please keep this switch statement ordered the same as the
2882 * enums in formats.h.
2885 switch (gl_format
) {
2887 case MESA_FORMAT_NONE
:
2888 case MESA_FORMAT_COUNT
:
2891 case MESA_FORMAT_RGBA8888
:
2892 case MESA_FORMAT_SRGBA8
:
2893 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
2896 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&& swapBytes
)
2899 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2902 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
2906 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
2910 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
2915 case MESA_FORMAT_RGBA8888_REV
:
2916 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2920 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
2923 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
2926 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
&&
2930 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2934 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2939 case MESA_FORMAT_ARGB8888
:
2940 case MESA_FORMAT_SARGB8
:
2941 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2945 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
2948 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
2953 case MESA_FORMAT_ARGB8888_REV
:
2954 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
2957 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
2961 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2966 case MESA_FORMAT_RGBX8888
:
2967 case MESA_FORMAT_RGBX8888_REV
:
2970 case MESA_FORMAT_XRGB8888
:
2971 case MESA_FORMAT_XRGB8888_REV
:
2974 case MESA_FORMAT_RGB888
:
2975 case MESA_FORMAT_SRGB8
:
2976 return format
== GL_BGR
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
2978 case MESA_FORMAT_BGR888
:
2979 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
2981 case MESA_FORMAT_RGB565
:
2982 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
&& !swapBytes
;
2984 case MESA_FORMAT_RGB565_REV
:
2985 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
2986 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
2987 * according to formats.h, so they can't be matched.
2991 case MESA_FORMAT_ARGB4444
:
2992 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_4_4_4_4_REV
&&
2995 case MESA_FORMAT_ARGB4444_REV
:
2998 case MESA_FORMAT_RGBA5551
:
2999 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT_5_5_5_1
&&
3002 case MESA_FORMAT_ARGB1555
:
3003 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
&&
3006 case MESA_FORMAT_ARGB1555_REV
:
3009 case MESA_FORMAT_AL44
:
3011 case MESA_FORMAT_AL88
:
3012 case MESA_FORMAT_SLA8
:
3013 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3014 case MESA_FORMAT_AL88_REV
:
3017 case MESA_FORMAT_AL1616
:
3018 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&& !swapBytes
;
3019 case MESA_FORMAT_AL1616_REV
:
3022 case MESA_FORMAT_RGB332
:
3023 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE_3_3_2
;
3025 case MESA_FORMAT_A8
:
3026 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_BYTE
;
3027 case MESA_FORMAT_A16
:
3028 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3029 case MESA_FORMAT_L8
:
3030 case MESA_FORMAT_SL8
:
3031 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_BYTE
;
3032 case MESA_FORMAT_L16
:
3033 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3034 case MESA_FORMAT_I8
:
3035 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_BYTE
;
3036 case MESA_FORMAT_I16
:
3037 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3039 case MESA_FORMAT_YCBCR
:
3040 return format
== GL_YCBCR_MESA
&&
3041 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
!= swapBytes
) ||
3042 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
== swapBytes
));
3043 case MESA_FORMAT_YCBCR_REV
:
3044 return format
== GL_YCBCR_MESA
&&
3045 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
== swapBytes
) ||
3046 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
!= swapBytes
));
3048 case MESA_FORMAT_R8
:
3049 return format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
;
3050 case MESA_FORMAT_GR88
:
3051 return format
== GL_RG
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3052 case MESA_FORMAT_RG88
:
3055 case MESA_FORMAT_R16
:
3056 return format
== GL_RED
&& type
== GL_UNSIGNED_SHORT
&&
3058 case MESA_FORMAT_GR1616
:
3059 return format
== GL_RG
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&&
3061 case MESA_FORMAT_RG1616
:
3064 case MESA_FORMAT_ARGB2101010
:
3065 return format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3068 case MESA_FORMAT_Z24_S8
:
3069 return format
== GL_DEPTH_STENCIL
&& type
== GL_UNSIGNED_INT_24_8
&&
3071 case MESA_FORMAT_Z24_X8
:
3072 case MESA_FORMAT_S8_Z24
:
3075 case MESA_FORMAT_Z16
:
3076 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_SHORT
&&
3079 case MESA_FORMAT_X8_Z24
:
3082 case MESA_FORMAT_Z32
:
3083 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_INT
&&
3086 case MESA_FORMAT_S8
:
3087 return format
== GL_STENCIL_INDEX
&& type
== GL_UNSIGNED_BYTE
;
3089 case MESA_FORMAT_SRGB_DXT1
:
3090 case MESA_FORMAT_SRGBA_DXT1
:
3091 case MESA_FORMAT_SRGBA_DXT3
:
3092 case MESA_FORMAT_SRGBA_DXT5
:
3095 case MESA_FORMAT_RGB_FXT1
:
3096 case MESA_FORMAT_RGBA_FXT1
:
3097 case MESA_FORMAT_RGB_DXT1
:
3098 case MESA_FORMAT_RGBA_DXT1
:
3099 case MESA_FORMAT_RGBA_DXT3
:
3100 case MESA_FORMAT_RGBA_DXT5
:
3103 case MESA_FORMAT_RGBA_FLOAT32
:
3104 return format
== GL_RGBA
&& type
== GL_FLOAT
&& !swapBytes
;
3105 case MESA_FORMAT_RGBA_FLOAT16
:
3106 return format
== GL_RGBA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3108 case MESA_FORMAT_RGB_FLOAT32
:
3109 return format
== GL_RGB
&& type
== GL_FLOAT
&& !swapBytes
;
3110 case MESA_FORMAT_RGB_FLOAT16
:
3111 return format
== GL_RGB
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3113 case MESA_FORMAT_ALPHA_FLOAT32
:
3114 return format
== GL_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3115 case MESA_FORMAT_ALPHA_FLOAT16
:
3116 return format
== GL_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3118 case MESA_FORMAT_LUMINANCE_FLOAT32
:
3119 return format
== GL_LUMINANCE
&& type
== GL_FLOAT
&& !swapBytes
;
3120 case MESA_FORMAT_LUMINANCE_FLOAT16
:
3121 return format
== GL_LUMINANCE
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3123 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
3124 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3125 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
3126 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3128 case MESA_FORMAT_INTENSITY_FLOAT32
:
3129 return format
== GL_INTENSITY
&& type
== GL_FLOAT
&& !swapBytes
;
3130 case MESA_FORMAT_INTENSITY_FLOAT16
:
3131 return format
== GL_INTENSITY
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3133 case MESA_FORMAT_R_FLOAT32
:
3134 return format
== GL_RED
&& type
== GL_FLOAT
&& !swapBytes
;
3135 case MESA_FORMAT_R_FLOAT16
:
3136 return format
== GL_RED
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3138 case MESA_FORMAT_RG_FLOAT32
:
3139 return format
== GL_RG
&& type
== GL_FLOAT
&& !swapBytes
;
3140 case MESA_FORMAT_RG_FLOAT16
:
3141 return format
== GL_RG
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3143 case MESA_FORMAT_ALPHA_UINT8
:
3144 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3145 case MESA_FORMAT_ALPHA_UINT16
:
3146 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3148 case MESA_FORMAT_ALPHA_UINT32
:
3149 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_INT
&&
3151 case MESA_FORMAT_ALPHA_INT8
:
3152 return format
== GL_ALPHA_INTEGER
&& type
== GL_BYTE
;
3153 case MESA_FORMAT_ALPHA_INT16
:
3154 return format
== GL_ALPHA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3155 case MESA_FORMAT_ALPHA_INT32
:
3156 return format
== GL_ALPHA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3158 case MESA_FORMAT_INTENSITY_UINT8
:
3159 case MESA_FORMAT_INTENSITY_UINT16
:
3160 case MESA_FORMAT_INTENSITY_UINT32
:
3161 case MESA_FORMAT_INTENSITY_INT8
:
3162 case MESA_FORMAT_INTENSITY_INT16
:
3163 case MESA_FORMAT_INTENSITY_INT32
:
3164 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3167 case MESA_FORMAT_LUMINANCE_UINT8
:
3168 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_BYTE
;
3169 case MESA_FORMAT_LUMINANCE_UINT16
:
3170 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_SHORT
&&
3172 case MESA_FORMAT_LUMINANCE_UINT32
:
3173 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_INT
&&
3175 case MESA_FORMAT_LUMINANCE_INT8
:
3176 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_BYTE
;
3177 case MESA_FORMAT_LUMINANCE_INT16
:
3178 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_SHORT
&&
3180 case MESA_FORMAT_LUMINANCE_INT32
:
3181 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_INT
&& !swapBytes
;
3183 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
3184 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3185 type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3186 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
3187 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3188 type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3189 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
3190 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3191 type
== GL_UNSIGNED_INT
&& !swapBytes
;
3192 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
3193 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_BYTE
&&
3195 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
3196 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_SHORT
&&
3198 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
3199 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_INT
&&
3202 case MESA_FORMAT_R_INT8
:
3203 return format
== GL_RED_INTEGER
&& type
== GL_BYTE
;
3204 case MESA_FORMAT_RG_INT8
:
3205 return format
== GL_RG_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3206 case MESA_FORMAT_RGB_INT8
:
3207 return format
== GL_RGB_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3208 case MESA_FORMAT_RGBA_INT8
:
3209 return format
== GL_RGBA_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3210 case MESA_FORMAT_R_INT16
:
3211 return format
== GL_RED_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3212 case MESA_FORMAT_RG_INT16
:
3213 return format
== GL_RG_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3214 case MESA_FORMAT_RGB_INT16
:
3215 return format
== GL_RGB_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3216 case MESA_FORMAT_RGBA_INT16
:
3217 return format
== GL_RGBA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3218 case MESA_FORMAT_R_INT32
:
3219 return format
== GL_RED_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3220 case MESA_FORMAT_RG_INT32
:
3221 return format
== GL_RG_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3222 case MESA_FORMAT_RGB_INT32
:
3223 return format
== GL_RGB_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3224 case MESA_FORMAT_RGBA_INT32
:
3225 return format
== GL_RGBA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3227 case MESA_FORMAT_R_UINT8
:
3228 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3229 case MESA_FORMAT_RG_UINT8
:
3230 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3231 case MESA_FORMAT_RGB_UINT8
:
3232 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3233 case MESA_FORMAT_RGBA_UINT8
:
3234 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_BYTE
&&
3236 case MESA_FORMAT_R_UINT16
:
3237 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3239 case MESA_FORMAT_RG_UINT16
:
3240 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3241 case MESA_FORMAT_RGB_UINT16
:
3242 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3244 case MESA_FORMAT_RGBA_UINT16
:
3245 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3247 case MESA_FORMAT_R_UINT32
:
3248 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3249 case MESA_FORMAT_RG_UINT32
:
3250 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3251 case MESA_FORMAT_RGB_UINT32
:
3252 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3253 case MESA_FORMAT_RGBA_UINT32
:
3254 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3256 case MESA_FORMAT_DUDV8
:
3257 return (format
== GL_DU8DV8_ATI
|| format
== GL_DUDV_ATI
) &&
3258 type
== GL_BYTE
&& littleEndian
&& !swapBytes
;
3260 case MESA_FORMAT_SIGNED_R8
:
3261 return format
== GL_RED
&& type
== GL_BYTE
;
3262 case MESA_FORMAT_SIGNED_RG88_REV
:
3263 return format
== GL_RG
&& type
== GL_BYTE
&& littleEndian
&&
3265 case MESA_FORMAT_SIGNED_RGBX8888
:
3268 case MESA_FORMAT_SIGNED_RGBA8888
:
3269 if (format
== GL_RGBA
&& type
== GL_BYTE
&& !littleEndian
)
3272 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& littleEndian
)
3277 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
3278 if (format
== GL_RGBA
&& type
== GL_BYTE
&& littleEndian
)
3281 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& !littleEndian
)
3286 case MESA_FORMAT_SIGNED_R16
:
3287 return format
== GL_RED
&& type
== GL_SHORT
&&
3289 case MESA_FORMAT_SIGNED_GR1616
:
3290 return format
== GL_RG
&& type
== GL_SHORT
&& littleEndian
&& !swapBytes
;
3291 case MESA_FORMAT_SIGNED_RGB_16
:
3292 return format
== GL_RGB
&& type
== GL_SHORT
&& !swapBytes
;
3293 case MESA_FORMAT_SIGNED_RGBA_16
:
3294 return format
== GL_RGBA
&& type
== GL_SHORT
&& !swapBytes
;
3295 case MESA_FORMAT_RGBA_16
:
3296 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT
&&
3299 case MESA_FORMAT_RED_RGTC1
:
3300 case MESA_FORMAT_SIGNED_RED_RGTC1
:
3301 case MESA_FORMAT_RG_RGTC2
:
3302 case MESA_FORMAT_SIGNED_RG_RGTC2
:
3305 case MESA_FORMAT_L_LATC1
:
3306 case MESA_FORMAT_SIGNED_L_LATC1
:
3307 case MESA_FORMAT_LA_LATC2
:
3308 case MESA_FORMAT_SIGNED_LA_LATC2
:
3311 case MESA_FORMAT_ETC1_RGB8
:
3312 case MESA_FORMAT_ETC2_RGB8
:
3313 case MESA_FORMAT_ETC2_SRGB8
:
3314 case MESA_FORMAT_ETC2_RGBA8_EAC
:
3315 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
3316 case MESA_FORMAT_ETC2_R11_EAC
:
3317 case MESA_FORMAT_ETC2_RG11_EAC
:
3318 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
3319 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
3320 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
3321 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
3324 case MESA_FORMAT_SIGNED_A8
:
3325 return format
== GL_ALPHA
&& type
== GL_BYTE
;
3326 case MESA_FORMAT_SIGNED_L8
:
3327 return format
== GL_LUMINANCE
&& type
== GL_BYTE
;
3328 case MESA_FORMAT_SIGNED_AL88
:
3329 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_BYTE
&&
3330 littleEndian
&& !swapBytes
;
3331 case MESA_FORMAT_SIGNED_I8
:
3332 return format
== GL_INTENSITY
&& type
== GL_BYTE
;
3333 case MESA_FORMAT_SIGNED_A16
:
3334 return format
== GL_ALPHA
&& type
== GL_SHORT
&& !swapBytes
;
3335 case MESA_FORMAT_SIGNED_L16
:
3336 return format
== GL_LUMINANCE
&& type
== GL_SHORT
&& !swapBytes
;
3337 case MESA_FORMAT_SIGNED_AL1616
:
3338 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_SHORT
&&
3339 littleEndian
&& !swapBytes
;
3340 case MESA_FORMAT_SIGNED_I16
:
3341 return format
== GL_INTENSITY
&& type
== GL_SHORT
&& littleEndian
&&
3344 case MESA_FORMAT_ARGB2101010_UINT
:
3345 return (format
== GL_BGRA_INTEGER_EXT
&&
3346 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3349 case MESA_FORMAT_ABGR2101010_UINT
:
3350 return (format
== GL_RGBA_INTEGER_EXT
&&
3351 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3354 case MESA_FORMAT_RGB9_E5_FLOAT
:
3355 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_5_9_9_9_REV
&&
3358 case MESA_FORMAT_R11_G11_B10_FLOAT
:
3359 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_10F_11F_11F_REV
&&
3362 case MESA_FORMAT_Z32_FLOAT
:
3363 return format
== GL_DEPTH_COMPONENT
&& type
== GL_FLOAT
&& !swapBytes
;
3365 case MESA_FORMAT_Z32_FLOAT_X24S8
:
3366 return format
== GL_DEPTH_STENCIL
&&
3367 type
== GL_FLOAT_32_UNSIGNED_INT_24_8_REV
&& !swapBytes
;
3369 case MESA_FORMAT_XRGB4444_UNORM
:
3370 case MESA_FORMAT_XRGB1555_UNORM
:
3371 case MESA_FORMAT_XBGR8888_SNORM
:
3372 case MESA_FORMAT_XBGR8888_SRGB
:
3373 case MESA_FORMAT_XBGR8888_UINT
:
3374 case MESA_FORMAT_XBGR8888_SINT
:
3375 case MESA_FORMAT_XRGB2101010_UNORM
:
3376 case MESA_FORMAT_XBGR16161616_UNORM
:
3377 case MESA_FORMAT_XBGR16161616_SNORM
:
3378 case MESA_FORMAT_XBGR16161616_FLOAT
:
3379 case MESA_FORMAT_XBGR16161616_UINT
:
3380 case MESA_FORMAT_XBGR16161616_SINT
:
3381 case MESA_FORMAT_XBGR32323232_FLOAT
:
3382 case MESA_FORMAT_XBGR32323232_UINT
:
3383 case MESA_FORMAT_XBGR32323232_SINT
: