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
] =
81 /* Packed unorm formats */
83 MESA_FORMAT_NONE
, /* Name */
84 "MESA_FORMAT_NONE", /* StrName */
85 GL_NONE
, /* BaseFormat */
86 GL_NONE
, /* DataType */
87 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
88 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
89 0, 0, 0 /* BlockWidth/Height,Bytes */
92 MESA_FORMAT_A8B8G8R8_UNORM
, /* Name */
93 "MESA_FORMAT_A8B8G8R8_UNORM",/* StrName */
94 GL_RGBA
, /* BaseFormat */
95 GL_UNSIGNED_NORMALIZED
, /* DataType */
96 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
97 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
98 1, 1, 4 /* BlockWidth/Height,Bytes */
101 MESA_FORMAT_X8B8G8R8_UNORM
, /* Name */
102 "MESA_FORMAT_X8B8G8R8_UNORM",/* StrName */
103 GL_RGB
, /* BaseFormat */
104 GL_UNSIGNED_NORMALIZED
, /* DataType */
105 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
106 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
107 1, 1, 4 /* BlockWidth/Height,Bytes */
110 MESA_FORMAT_R8G8B8A8_UNORM
, /* Name */
111 "MESA_FORMAT_R8G8B8A8_UNORM",/* StrName */
112 GL_RGBA
, /* BaseFormat */
113 GL_UNSIGNED_NORMALIZED
, /* DataType */
114 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
115 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
116 1, 1, 4 /* BlockWidth/Height,Bytes */
119 MESA_FORMAT_R8G8B8X8_UNORM
, /* Name */
120 "MESA_FORMAT_R8G8B8X8_UNORM",/* StrName */
121 GL_RGB
, /* BaseFormat */
122 GL_UNSIGNED_NORMALIZED
, /* DataType */
123 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
124 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
125 1, 1, 4 /* BlockWidth/Height,Bytes */
128 MESA_FORMAT_B8G8R8A8_UNORM
, /* Name */
129 "MESA_FORMAT_B8G8R8A8_UNORM",/* StrName */
130 GL_RGBA
, /* BaseFormat */
131 GL_UNSIGNED_NORMALIZED
, /* DataType */
132 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
133 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
134 1, 1, 4 /* BlockWidth/Height,Bytes */
137 MESA_FORMAT_B8G8R8X8_UNORM
, /* Name */
138 "MESA_FORMAT_B8G8R8X8_UNORM",/* StrName */
139 GL_RGB
, /* BaseFormat */
140 GL_UNSIGNED_NORMALIZED
, /* DataType */
141 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
142 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
143 1, 1, 4 /* BlockWidth/Height,Bytes */
146 MESA_FORMAT_A8R8G8B8_UNORM
, /* Name */
147 "MESA_FORMAT_A8R8G8B8_UNORM",/* StrName */
148 GL_RGBA
, /* BaseFormat */
149 GL_UNSIGNED_NORMALIZED
, /* DataType */
150 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
151 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
152 1, 1, 4 /* BlockWidth/Height,Bytes */
155 MESA_FORMAT_X8R8G8B8_UNORM
, /* Name */
156 "MESA_FORMAT_X8R8G8B8_UNORM",/* StrName */
157 GL_RGB
, /* BaseFormat */
158 GL_UNSIGNED_NORMALIZED
, /* DataType */
159 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
160 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
161 1, 1, 4 /* BlockWidth/Height,Bytes */
164 MESA_FORMAT_L16A16_UNORM
, /* Name */
165 "MESA_FORMAT_L16A16_UNORM", /* StrName */
166 GL_LUMINANCE_ALPHA
, /* BaseFormat */
167 GL_UNSIGNED_NORMALIZED
, /* DataType */
168 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
169 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
170 1, 1, 4 /* BlockWidth/Height,Bytes */
173 MESA_FORMAT_A16L16_UNORM
, /* Name */
174 "MESA_FORMAT_A16L16_UNORM", /* StrName */
175 GL_LUMINANCE_ALPHA
, /* BaseFormat */
176 GL_UNSIGNED_NORMALIZED
, /* DataType */
177 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
178 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
179 1, 1, 4 /* BlockWidth/Height,Bytes */
182 MESA_FORMAT_B5G6R5_UNORM
, /* Name */
183 "MESA_FORMAT_B5G6R5_UNORM", /* StrName */
184 GL_RGB
, /* BaseFormat */
185 GL_UNSIGNED_NORMALIZED
, /* DataType */
186 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
187 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
188 1, 1, 2 /* BlockWidth/Height,Bytes */
191 MESA_FORMAT_R5G6B5_UNORM
, /* Name */
192 "MESA_FORMAT_R5G6B5_UNORM", /* StrName */
193 GL_RGB
, /* BaseFormat */
194 GL_UNSIGNED_NORMALIZED
, /* DataType */
195 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
196 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
197 1, 1, 2 /* BlockWidth/Height,Bytes */
200 MESA_FORMAT_B4G4R4A4_UNORM
, /* Name */
201 "MESA_FORMAT_B4G4R4A4_UNORM",/* StrName */
202 GL_RGBA
, /* BaseFormat */
203 GL_UNSIGNED_NORMALIZED
, /* DataType */
204 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
205 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
206 1, 1, 2 /* BlockWidth/Height,Bytes */
209 MESA_FORMAT_B4G4R4X4_UNORM
,
210 "MESA_FORMAT_B4G4R4X4_UNORM",
212 GL_UNSIGNED_NORMALIZED
,
218 MESA_FORMAT_A4R4G4B4_UNORM
, /* Name */
219 "MESA_FORMAT_A4R4G4B4_UNORM",/* StrName */
220 GL_RGBA
, /* BaseFormat */
221 GL_UNSIGNED_NORMALIZED
, /* DataType */
222 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
223 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
224 1, 1, 2 /* BlockWidth/Height,Bytes */
227 MESA_FORMAT_A1B5G5R5_UNORM
, /* Name */
228 "MESA_FORMAT_A1B5G5R5_UNORM",/* StrName */
229 GL_RGBA
, /* BaseFormat */
230 GL_UNSIGNED_NORMALIZED
, /* DataType */
231 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
232 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
233 1, 1, 2 /* BlockWidth/Height,Bytes */
236 MESA_FORMAT_B5G5R5A1_UNORM
, /* Name */
237 "MESA_FORMAT_B5G5R5A1_UNORM",/* StrName */
238 GL_RGBA
, /* BaseFormat */
239 GL_UNSIGNED_NORMALIZED
, /* DataType */
240 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
241 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
242 1, 1, 2 /* BlockWidth/Height,Bytes */
245 MESA_FORMAT_B5G5R5X1_UNORM
,
246 "MESA_FORMAT_B5G5R5X1_UNORM",
248 GL_UNSIGNED_NORMALIZED
,
254 MESA_FORMAT_A1R5G5B5_UNORM
, /* Name */
255 "MESA_FORMAT_A1R5G5B5_UNORM",/* StrName */
256 GL_RGBA
, /* BaseFormat */
257 GL_UNSIGNED_NORMALIZED
, /* DataType */
258 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
259 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
260 1, 1, 2 /* BlockWidth/Height,Bytes */
263 MESA_FORMAT_L8A8_UNORM
, /* Name */
264 "MESA_FORMAT_L8A8_UNORM", /* StrName */
265 GL_LUMINANCE_ALPHA
, /* BaseFormat */
266 GL_UNSIGNED_NORMALIZED
, /* DataType */
267 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
268 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
269 1, 1, 2 /* BlockWidth/Height,Bytes */
272 MESA_FORMAT_A8L8_UNORM
, /* Name */
273 "MESA_FORMAT_A8L8_UNORM", /* StrName */
274 GL_LUMINANCE_ALPHA
, /* BaseFormat */
275 GL_UNSIGNED_NORMALIZED
, /* DataType */
276 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
277 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
278 1, 1, 2 /* BlockWidth/Height,Bytes */
281 MESA_FORMAT_R8G8_UNORM
,
282 "MESA_FORMAT_R8G8_UNORM",
284 GL_UNSIGNED_NORMALIZED
,
290 MESA_FORMAT_G8R8_UNORM
,
291 "MESA_FORMAT_G8R8_UNORM",
293 GL_UNSIGNED_NORMALIZED
,
299 MESA_FORMAT_L4A4_UNORM
, /* Name */
300 "MESA_FORMAT_L4A4_UNORM", /* StrName */
301 GL_LUMINANCE_ALPHA
, /* BaseFormat */
302 GL_UNSIGNED_NORMALIZED
, /* DataType */
303 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
304 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
305 1, 1, 1 /* BlockWidth/Height,Bytes */
308 MESA_FORMAT_B2G3R3_UNORM
, /* Name */
309 "MESA_FORMAT_B2G3R3_UNORM", /* StrName */
310 GL_RGB
, /* BaseFormat */
311 GL_UNSIGNED_NORMALIZED
, /* DataType */
312 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
313 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
314 1, 1, 1 /* BlockWidth/Height,Bytes */
317 MESA_FORMAT_R16G16_UNORM
,
318 "MESA_FORMAT_R16G16_UNORM",
320 GL_UNSIGNED_NORMALIZED
,
326 MESA_FORMAT_G16R16_UNORM
,
327 "MESA_FORMAT_G16R16_UNORM",
329 GL_UNSIGNED_NORMALIZED
,
335 MESA_FORMAT_B10G10R10A2_UNORM
,
336 "MESA_FORMAT_B10G10R10A2_UNORM",
338 GL_UNSIGNED_NORMALIZED
,
344 MESA_FORMAT_B10G10R10X2_UNORM
,
345 "MESA_FORMAT_B10G10R10X2_UNORM",
347 GL_UNSIGNED_NORMALIZED
,
353 MESA_FORMAT_R10G10B10A2_UNORM
,
354 "MESA_FORMAT_R10G10B10A2_UNORM",
356 GL_UNSIGNED_NORMALIZED
,
362 MESA_FORMAT_S8_UINT_Z24_UNORM
, /* Name */
363 "MESA_FORMAT_S8_UINT_Z24_UNORM", /* StrName */
364 GL_DEPTH_STENCIL
, /* BaseFormat */
365 GL_UNSIGNED_NORMALIZED
, /* DataType */
366 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
367 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
368 1, 1, 4 /* BlockWidth/Height,Bytes */
371 MESA_FORMAT_X8_UINT_Z24_UNORM
, /* Name */
372 "MESA_FORMAT_X8_UINT_Z24_UNORM", /* StrName */
373 GL_DEPTH_COMPONENT
, /* BaseFormat */
374 GL_UNSIGNED_NORMALIZED
, /* DataType */
375 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
376 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
377 1, 1, 4 /* BlockWidth/Height,Bytes */
380 MESA_FORMAT_Z24_UNORM_S8_UINT
, /* Name */
381 "MESA_FORMAT_Z24_UNORM_S8_UINT", /* StrName */
382 GL_DEPTH_STENCIL
, /* BaseFormat */
383 GL_UNSIGNED_NORMALIZED
, /* DataType */
384 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
385 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
386 1, 1, 4 /* BlockWidth/Height,Bytes */
389 MESA_FORMAT_Z24_UNORM_X8_UINT
, /* Name */
390 "MESA_FORMAT_Z24_UNORM_X8_UINT", /* StrName */
391 GL_DEPTH_COMPONENT
, /* BaseFormat */
392 GL_UNSIGNED_NORMALIZED
, /* DataType */
393 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
394 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
395 1, 1, 4 /* BlockWidth/Height,Bytes */
398 MESA_FORMAT_YCBCR
, /* Name */
399 "MESA_FORMAT_YCBCR", /* StrName */
400 GL_YCBCR_MESA
, /* BaseFormat */
401 GL_UNSIGNED_NORMALIZED
, /* DataType */
402 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
403 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
404 1, 1, 2 /* BlockWidth/Height,Bytes */
407 MESA_FORMAT_YCBCR_REV
, /* Name */
408 "MESA_FORMAT_YCBCR_REV", /* StrName */
409 GL_YCBCR_MESA
, /* BaseFormat */
410 GL_UNSIGNED_NORMALIZED
, /* DataType */
411 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
412 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
413 1, 1, 2 /* BlockWidth/Height,Bytes */
416 /* Array unorm formats */
421 GL_SIGNED_NORMALIZED
,
427 MESA_FORMAT_A_UNORM8
, /* Name */
428 "MESA_FORMAT_A_UNORM8", /* StrName */
429 GL_ALPHA
, /* BaseFormat */
430 GL_UNSIGNED_NORMALIZED
, /* DataType */
431 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
432 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
433 1, 1, 1 /* BlockWidth/Height,Bytes */
436 MESA_FORMAT_A_UNORM16
, /* Name */
437 "MESA_FORMAT_A_UNORM16", /* StrName */
438 GL_ALPHA
, /* BaseFormat */
439 GL_UNSIGNED_NORMALIZED
, /* DataType */
440 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
441 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
442 1, 1, 2 /* BlockWidth/Height,Bytes */
445 MESA_FORMAT_L_UNORM8
, /* Name */
446 "MESA_FORMAT_L_UNORM8", /* StrName */
447 GL_LUMINANCE
, /* BaseFormat */
448 GL_UNSIGNED_NORMALIZED
, /* DataType */
449 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
450 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
451 1, 1, 1 /* BlockWidth/Height,Bytes */
454 MESA_FORMAT_L_UNORM16
, /* Name */
455 "MESA_FORMAT_L_UNORM16", /* StrName */
456 GL_LUMINANCE
, /* BaseFormat */
457 GL_UNSIGNED_NORMALIZED
, /* DataType */
458 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
459 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
460 1, 1, 2 /* BlockWidth/Height,Bytes */
463 MESA_FORMAT_I_UNORM8
, /* Name */
464 "MESA_FORMAT_I_UNORM8", /* StrName */
465 GL_INTENSITY
, /* BaseFormat */
466 GL_UNSIGNED_NORMALIZED
, /* DataType */
467 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
468 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
469 1, 1, 1 /* BlockWidth/Height,Bytes */
472 MESA_FORMAT_I_UNORM16
, /* Name */
473 "MESA_FORMAT_I_UNORM16", /* StrName */
474 GL_INTENSITY
, /* BaseFormat */
475 GL_UNSIGNED_NORMALIZED
, /* DataType */
476 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
477 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
478 1, 1, 2 /* BlockWidth/Height,Bytes */
481 MESA_FORMAT_R_UNORM8
,
482 "MESA_FORMAT_R_UNORM8",
484 GL_UNSIGNED_NORMALIZED
,
490 MESA_FORMAT_R_UNORM16
,
491 "MESA_FORMAT_R_UNORM16",
493 GL_UNSIGNED_NORMALIZED
,
499 MESA_FORMAT_BGR_UNORM8
, /* Name */
500 "MESA_FORMAT_BGR_UNORM8", /* StrName */
501 GL_RGB
, /* BaseFormat */
502 GL_UNSIGNED_NORMALIZED
, /* DataType */
503 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
504 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
505 1, 1, 3 /* BlockWidth/Height,Bytes */
508 MESA_FORMAT_RGB_UNORM8
, /* Name */
509 "MESA_FORMAT_RGB_UNORM8", /* StrName */
510 GL_RGB
, /* BaseFormat */
511 GL_UNSIGNED_NORMALIZED
, /* DataType */
512 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
513 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
514 1, 1, 3 /* BlockWidth/Height,Bytes */
517 MESA_FORMAT_RGBA_UNORM16
,
518 "MESA_FORMAT_RGBA_UNORM16",
520 GL_UNSIGNED_NORMALIZED
,
526 MESA_FORMAT_RGBX_UNORM16
,
527 "MESA_FORMAT_RGBX_UNORM16",
529 GL_UNSIGNED_NORMALIZED
,
535 MESA_FORMAT_Z_UNORM16
, /* Name */
536 "MESA_FORMAT_Z_UNORM16", /* StrName */
537 GL_DEPTH_COMPONENT
, /* BaseFormat */
538 GL_UNSIGNED_NORMALIZED
, /* DataType */
539 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
540 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
541 1, 1, 2 /* BlockWidth/Height,Bytes */
544 MESA_FORMAT_Z_UNORM32
, /* Name */
545 "MESA_FORMAT_Z_UNORM32", /* StrName */
546 GL_DEPTH_COMPONENT
, /* BaseFormat */
547 GL_UNSIGNED_NORMALIZED
, /* DataType */
548 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
549 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
550 1, 1, 4 /* BlockWidth/Height,Bytes */
553 MESA_FORMAT_S_UINT8
, /* Name */
554 "MESA_FORMAT_S_UINT8", /* StrName */
555 GL_STENCIL_INDEX
, /* BaseFormat */
556 GL_UNSIGNED_INT
, /* DataType */
557 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
558 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
559 1, 1, 1 /* BlockWidth/Height,Bytes */
562 /* Packed signed/normalized formats */
564 MESA_FORMAT_A8B8G8R8_SNORM
,
565 "MESA_FORMAT_A8B8G8R8_SNORM",
567 GL_SIGNED_NORMALIZED
,
573 MESA_FORMAT_X8B8G8R8_SNORM
,
574 "MESA_FORMAT_X8B8G8R8_SNORM",
576 GL_SIGNED_NORMALIZED
,
579 1, 1, 4 /* 4 bpp, but no alpha */
582 MESA_FORMAT_R8G8B8A8_SNORM
,
583 "MESA_FORMAT_R8G8B8A8_SNORM",
585 GL_SIGNED_NORMALIZED
,
591 MESA_FORMAT_R8G8B8X8_SNORM
,
592 "MESA_FORMAT_R8G8B8X8_SNORM",
594 GL_SIGNED_NORMALIZED
,
600 MESA_FORMAT_R16G16_SNORM
,
601 "MESA_FORMAT_R16G16_SNORM",
603 GL_SIGNED_NORMALIZED
,
609 MESA_FORMAT_G16R16_SNORM
,
610 "MESA_FORMAT_G16R16_SNORM",
612 GL_SIGNED_NORMALIZED
,
618 MESA_FORMAT_R8G8_SNORM
,
619 "MESA_FORMAT_R8G8_SNORM",
621 GL_SIGNED_NORMALIZED
,
627 MESA_FORMAT_G8R8_SNORM
,
628 "MESA_FORMAT_G8R8_SNORM",
630 GL_SIGNED_NORMALIZED
,
636 MESA_FORMAT_L8A8_SNORM
,
637 "MESA_FORMAT_L8A8_SNORM",
639 GL_SIGNED_NORMALIZED
,
645 /* Array signed/normalized formats */
647 MESA_FORMAT_A_SNORM8
,
648 "MESA_FORMAT_A_SNORM8",
650 GL_SIGNED_NORMALIZED
,
656 MESA_FORMAT_A_SNORM16
,
657 "MESA_FORMAT_A_SNORM16",
659 GL_SIGNED_NORMALIZED
,
665 MESA_FORMAT_L_SNORM8
,
666 "MESA_FORMAT_L_SNORM8",
668 GL_SIGNED_NORMALIZED
,
674 MESA_FORMAT_L_SNORM16
,
675 "MESA_FORMAT_L_SNORM16",
677 GL_SIGNED_NORMALIZED
,
683 MESA_FORMAT_I_SNORM8
,
684 "MESA_FORMAT_I_SNORM8",
686 GL_SIGNED_NORMALIZED
,
692 MESA_FORMAT_I_SNORM16
,
693 "MESA_FORMAT_I_SNORM16",
695 GL_SIGNED_NORMALIZED
,
701 MESA_FORMAT_R_SNORM8
, /* Name */
702 "MESA_FORMAT_R_SNORM8", /* StrName */
703 GL_RED
, /* BaseFormat */
704 GL_SIGNED_NORMALIZED
, /* DataType */
705 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
706 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
707 1, 1, 1 /* BlockWidth/Height,Bytes */
710 MESA_FORMAT_R_SNORM16
,
711 "MESA_FORMAT_R_SNORM16",
713 GL_SIGNED_NORMALIZED
,
719 MESA_FORMAT_LA_SNORM16
,
720 "MESA_FORMAT_LA_SNORM16",
722 GL_SIGNED_NORMALIZED
,
728 MESA_FORMAT_RGB_SNORM16
,
729 "MESA_FORMAT_RGB_SNORM16",
731 GL_SIGNED_NORMALIZED
,
737 MESA_FORMAT_RGBA_SNORM16
,
738 "MESA_FORMAT_RGBA_SNORM16",
740 GL_SIGNED_NORMALIZED
,
746 MESA_FORMAT_RGBX_SNORM16
,
747 "MESA_FORMAT_RGBX_SNORM16",
749 GL_SIGNED_NORMALIZED
,
755 /* Packed sRGB formats */
757 MESA_FORMAT_A8B8G8R8_SRGB
,
758 "MESA_FORMAT_A8B8G8R8_SRGB",
760 GL_UNSIGNED_NORMALIZED
,
766 MESA_FORMAT_B8G8R8A8_SRGB
,
767 "MESA_FORMAT_B8G8R8A8_SRGB",
769 GL_UNSIGNED_NORMALIZED
,
775 MESA_FORMAT_B8G8R8X8_SRGB
,
776 "MESA_FORMAT_B8G8R8X8_SRGB",
778 GL_UNSIGNED_NORMALIZED
,
784 MESA_FORMAT_R8G8B8A8_SRGB
,
785 "MESA_FORMAT_R8G8B8A8_SRGB",
787 GL_UNSIGNED_NORMALIZED
,
793 MESA_FORMAT_R8G8B8X8_SRGB
,
794 "MESA_FORMAT_R8G8B8X8_SRGB",
796 GL_UNSIGNED_NORMALIZED
,
802 MESA_FORMAT_L8A8_SRGB
,
803 "MESA_FORMAT_L8A8_SRGB",
805 GL_UNSIGNED_NORMALIZED
,
811 /* Array sRGB formats */
814 "MESA_FORMAT_L_SRGB8",
816 GL_UNSIGNED_NORMALIZED
,
822 MESA_FORMAT_BGR_SRGB8
,
823 "MESA_FORMAT_BGR_SRGB8",
825 GL_UNSIGNED_NORMALIZED
,
831 /* Packed float formats */
833 MESA_FORMAT_R9G9B9E5_FLOAT
,
834 "MESA_FORMAT_RGB9_E5",
842 MESA_FORMAT_R11G11B10_FLOAT
,
843 "MESA_FORMAT_R11G11B10_FLOAT",
851 MESA_FORMAT_Z32_FLOAT_S8X24_UINT
, /* Name */
852 "MESA_FORMAT_Z32_FLOAT_S8X24_UINT", /* StrName */
853 GL_DEPTH_STENCIL
, /* BaseFormat */
854 /* DataType here is used to answer GL_TEXTURE_DEPTH_TYPE queries, and is
855 * never used for stencil because stencil is always GL_UNSIGNED_INT.
857 GL_FLOAT
, /* DataType */
858 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
859 0, 0, 0, 32, 8, /* Lum/Int/Index/Depth/StencilBits */
860 1, 1, 8 /* BlockWidth/Height,Bytes */
863 /* Array float formats */
865 MESA_FORMAT_A_FLOAT16
,
866 "MESA_FORMAT_A_FLOAT16",
874 MESA_FORMAT_A_FLOAT32
,
875 "MESA_FORMAT_A_FLOAT32",
883 MESA_FORMAT_L_FLOAT16
,
884 "MESA_FORMAT_L_FLOAT16",
892 MESA_FORMAT_L_FLOAT32
,
893 "MESA_FORMAT_L_FLOAT32",
901 MESA_FORMAT_LA_FLOAT16
,
902 "MESA_FORMAT_LA_FLOAT16",
910 MESA_FORMAT_LA_FLOAT32
,
911 "MESA_FORMAT_LA_FLOAT32",
919 MESA_FORMAT_I_FLOAT16
,
920 "MESA_FORMAT_I_FLOAT16",
928 MESA_FORMAT_I_FLOAT32
,
929 "MESA_FORMAT_I_FLOAT32",
937 MESA_FORMAT_R_FLOAT16
,
938 "MESA_FORMAT_R_FLOAT16",
946 MESA_FORMAT_R_FLOAT32
,
947 "MESA_FORMAT_R_FLOAT32",
955 MESA_FORMAT_RG_FLOAT16
,
956 "MESA_FORMAT_RG_FLOAT16",
964 MESA_FORMAT_RG_FLOAT32
,
965 "MESA_FORMAT_RG_FLOAT32",
973 MESA_FORMAT_RGB_FLOAT16
,
974 "MESA_FORMAT_RGB_FLOAT16",
982 MESA_FORMAT_RGB_FLOAT32
,
983 "MESA_FORMAT_RGB_FLOAT32",
991 MESA_FORMAT_RGBA_FLOAT16
,
992 "MESA_FORMAT_RGBA_FLOAT16",
1000 MESA_FORMAT_RGBA_FLOAT32
,
1001 "MESA_FORMAT_RGBA_FLOAT32",
1009 MESA_FORMAT_RGBX_FLOAT16
,
1010 "MESA_FORMAT_RGBX_FLOAT16",
1018 MESA_FORMAT_RGBX_FLOAT32
,
1019 "MESA_FORMAT_RGBX_FLOAT32",
1027 MESA_FORMAT_Z_FLOAT32
, /* Name */
1028 "MESA_FORMAT_Z_FLOAT32", /* StrName */
1029 GL_DEPTH_COMPONENT
, /* BaseFormat */
1030 GL_FLOAT
, /* DataType */
1031 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
1032 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
1033 1, 1, 4 /* BlockWidth/Height,Bytes */
1036 /* Packed signed/unsigned non-normalized integer formats */
1038 MESA_FORMAT_B10G10R10A2_UINT
,
1039 "MESA_FORMAT_B10G10R10A2_UINT",
1047 MESA_FORMAT_R10G10B10A2_UINT
,
1048 "MESA_FORMAT_R10G10B10A2_UINT",
1056 /* Array signed/unsigned non-normalized integer formats */
1058 MESA_FORMAT_A_UINT8
,
1059 "MESA_FORMAT_A_UINT8",
1067 MESA_FORMAT_A_UINT16
,
1068 "MESA_FORMAT_A_UINT16",
1076 MESA_FORMAT_A_UINT32
,
1077 "MESA_FORMAT_A_UINT32",
1085 MESA_FORMAT_A_SINT8
,
1086 "MESA_FORMAT_A_SINT8",
1094 MESA_FORMAT_A_SINT16
,
1095 "MESA_FORMAT_A_SINT16",
1103 MESA_FORMAT_A_SINT32
,
1104 "MESA_FORMAT_A_SINT32",
1112 MESA_FORMAT_I_UINT8
,
1113 "MESA_FORMAT_I_UINT8",
1121 MESA_FORMAT_I_UINT16
,
1122 "MESA_FORMAT_I_UINT16",
1130 MESA_FORMAT_I_UINT32
,
1131 "MESA_FORMAT_I_UINT32",
1139 MESA_FORMAT_I_SINT8
,
1140 "MESA_FORMAT_I_SINT8",
1148 MESA_FORMAT_I_SINT16
,
1149 "MESA_FORMAT_I_SINT16",
1157 MESA_FORMAT_I_SINT32
,
1158 "MESA_FORMAT_I_SINT32",
1166 MESA_FORMAT_L_UINT8
,
1167 "MESA_FORMAT_L_UINT8",
1175 MESA_FORMAT_L_UINT16
,
1176 "MESA_FORMAT_L_UINT16",
1184 MESA_FORMAT_L_UINT32
,
1185 "MESA_FORMAT_L_UINT32",
1193 MESA_FORMAT_L_SINT8
,
1194 "MESA_FORMAT_L_SINT8",
1202 MESA_FORMAT_L_SINT16
,
1203 "MESA_FORMAT_L_SINT16",
1211 MESA_FORMAT_L_SINT32
,
1212 "MESA_FORMAT_L_SINT32",
1220 MESA_FORMAT_LA_UINT8
,
1221 "MESA_FORMAT_LA_UINT8",
1229 MESA_FORMAT_LA_UINT16
,
1230 "MESA_FORMAT_LA_UINT16",
1238 MESA_FORMAT_LA_UINT32
,
1239 "MESA_FORMAT_LA_UINT32",
1247 MESA_FORMAT_LA_SINT8
,
1248 "MESA_FORMAT_LA_SINT8",
1256 MESA_FORMAT_LA_SINT16
,
1257 "MESA_FORMAT_LA_SINT16",
1265 MESA_FORMAT_LA_SINT32
,
1266 "MESA_FORMAT_LA_SINT32",
1274 MESA_FORMAT_R_UINT8
,
1275 "MESA_FORMAT_R_UINT8",
1283 MESA_FORMAT_R_UINT16
,
1284 "MESA_FORMAT_R_UINT16",
1292 MESA_FORMAT_R_UINT32
,
1293 "MESA_FORMAT_R_UINT32",
1301 MESA_FORMAT_R_SINT8
,
1302 "MESA_FORMAT_R_SINT8",
1310 MESA_FORMAT_R_SINT16
,
1311 "MESA_FORMAT_R_SINT16",
1319 MESA_FORMAT_R_SINT32
,
1320 "MESA_FORMAT_R_SINT32",
1328 MESA_FORMAT_RG_UINT8
,
1329 "MESA_FORMAT_RG_UINT8",
1337 MESA_FORMAT_RG_UINT16
,
1338 "MESA_FORMAT_RG_UINT16",
1346 MESA_FORMAT_RG_UINT32
,
1347 "MESA_FORMAT_RG_UINT32",
1355 MESA_FORMAT_RG_SINT8
,
1356 "MESA_FORMAT_RG_SINT8",
1364 MESA_FORMAT_RG_SINT16
,
1365 "MESA_FORMAT_RG_SINT16",
1373 MESA_FORMAT_RG_SINT32
,
1374 "MESA_FORMAT_RG_SINT32",
1382 MESA_FORMAT_RGB_UINT8
,
1383 "MESA_FORMAT_RGB_UINT8",
1391 MESA_FORMAT_RGB_UINT16
,
1392 "MESA_FORMAT_RGB_UINT16",
1400 MESA_FORMAT_RGB_UINT32
,
1401 "MESA_FORMAT_RGB_UINT32",
1409 MESA_FORMAT_RGB_SINT8
,
1410 "MESA_FORMAT_RGB_SINT8",
1418 MESA_FORMAT_RGB_SINT16
,
1419 "MESA_FORMAT_RGB_SINT16",
1427 MESA_FORMAT_RGB_SINT32
,
1428 "MESA_FORMAT_RGB_SINT32",
1436 MESA_FORMAT_RGBA_UINT8
,
1437 "MESA_FORMAT_RGBA_UINT8",
1445 MESA_FORMAT_RGBA_UINT16
,
1446 "MESA_FORMAT_RGBA_UINT16",
1454 MESA_FORMAT_RGBA_UINT32
,
1455 "MESA_FORMAT_RGBA_UINT32",
1463 MESA_FORMAT_RGBA_SINT8
,
1464 "MESA_FORMAT_RGBA_SINT8",
1472 MESA_FORMAT_RGBA_SINT16
,
1473 "MESA_FORMAT_RGBA_SINT16",
1481 MESA_FORMAT_RGBA_SINT32
,
1482 "MESA_FORMAT_RGBA_SINT32",
1490 MESA_FORMAT_RGBX_UINT8
,
1491 "MESA_FORMAT_RGBX_UINT8",
1499 MESA_FORMAT_RGBX_UINT16
,
1500 "MESA_FORMAT_RGBX_UINT16",
1508 MESA_FORMAT_RGBX_UINT32
,
1509 "MESA_FORMAT_RGBX_UINT32",
1517 MESA_FORMAT_RGBX_SINT8
,
1518 "MESA_FORMAT_RGBX_SINT8",
1526 MESA_FORMAT_RGBX_SINT16
,
1527 "MESA_FORMAT_RGBX_SINT16",
1535 MESA_FORMAT_RGBX_SINT32
,
1536 "MESA_FORMAT_RGBX_SINT32",
1544 /* DXT compressed formats */
1546 MESA_FORMAT_RGB_DXT1
, /* Name */
1547 "MESA_FORMAT_RGB_DXT1", /* StrName */
1548 GL_RGB
, /* BaseFormat */
1549 GL_UNSIGNED_NORMALIZED
, /* DataType */
1550 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
1551 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1552 4, 4, 8 /* 8 bytes per 4x4 block */
1555 MESA_FORMAT_RGBA_DXT1
,
1556 "MESA_FORMAT_RGBA_DXT1",
1558 GL_UNSIGNED_NORMALIZED
,
1561 4, 4, 8 /* 8 bytes per 4x4 block */
1564 MESA_FORMAT_RGBA_DXT3
,
1565 "MESA_FORMAT_RGBA_DXT3",
1567 GL_UNSIGNED_NORMALIZED
,
1570 4, 4, 16 /* 16 bytes per 4x4 block */
1573 MESA_FORMAT_RGBA_DXT5
,
1574 "MESA_FORMAT_RGBA_DXT5",
1576 GL_UNSIGNED_NORMALIZED
,
1579 4, 4, 16 /* 16 bytes per 4x4 block */
1582 /* DXT sRGB compressed formats */
1584 MESA_FORMAT_SRGB_DXT1
, /* Name */
1585 "MESA_FORMAT_SRGB_DXT1", /* StrName */
1586 GL_RGB
, /* BaseFormat */
1587 GL_UNSIGNED_NORMALIZED
, /* DataType */
1588 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
1589 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
1590 4, 4, 8 /* 8 bytes per 4x4 block */
1593 MESA_FORMAT_SRGBA_DXT1
,
1594 "MESA_FORMAT_SRGBA_DXT1",
1596 GL_UNSIGNED_NORMALIZED
,
1599 4, 4, 8 /* 8 bytes per 4x4 block */
1602 MESA_FORMAT_SRGBA_DXT3
,
1603 "MESA_FORMAT_SRGBA_DXT3",
1605 GL_UNSIGNED_NORMALIZED
,
1608 4, 4, 16 /* 16 bytes per 4x4 block */
1611 MESA_FORMAT_SRGBA_DXT5
,
1612 "MESA_FORMAT_SRGBA_DXT5",
1614 GL_UNSIGNED_NORMALIZED
,
1617 4, 4, 16 /* 16 bytes per 4x4 block */
1620 /* FXT1 compressed formats */
1622 MESA_FORMAT_RGB_FXT1
,
1623 "MESA_FORMAT_RGB_FXT1",
1625 GL_UNSIGNED_NORMALIZED
,
1626 4, 4, 4, 0, /* approx Red/Green/BlueBits */
1628 8, 4, 16 /* 16 bytes per 8x4 block */
1631 MESA_FORMAT_RGBA_FXT1
,
1632 "MESA_FORMAT_RGBA_FXT1",
1634 GL_UNSIGNED_NORMALIZED
,
1635 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
1637 8, 4, 16 /* 16 bytes per 8x4 block */
1640 /* RGTC compressed formats */
1642 MESA_FORMAT_R_RGTC1_UNORM
,
1643 "MESA_FORMAT_R_RGTC1_UNORM",
1645 GL_UNSIGNED_NORMALIZED
,
1648 4, 4, 8 /* 8 bytes per 4x4 block */
1651 MESA_FORMAT_R_RGTC1_SNORM
,
1652 "MESA_FORMAT_R_RGTC1_SNORM",
1654 GL_SIGNED_NORMALIZED
,
1657 4, 4, 8 /* 8 bytes per 4x4 block */
1660 MESA_FORMAT_RG_RGTC2_UNORM
,
1661 "MESA_FORMAT_RG_RGTC2_UNORM",
1663 GL_UNSIGNED_NORMALIZED
,
1666 4, 4, 16 /* 16 bytes per 4x4 block */
1669 MESA_FORMAT_RG_RGTC2_SNORM
,
1670 "MESA_FORMAT_RG_RGTC2_SNORM",
1672 GL_SIGNED_NORMALIZED
,
1675 4, 4, 16 /* 16 bytes per 4x4 block */
1678 /* LATC1/2 compressed formats */
1680 MESA_FORMAT_L_LATC1_UNORM
,
1681 "MESA_FORMAT_L_LATC1_UNORM",
1683 GL_UNSIGNED_NORMALIZED
,
1686 4, 4, 8 /* 8 bytes per 4x4 block */
1689 MESA_FORMAT_L_LATC1_SNORM
,
1690 "MESA_FORMAT_L_LATC1_SNORM",
1692 GL_SIGNED_NORMALIZED
,
1695 4, 4, 8 /* 8 bytes per 4x4 block */
1698 MESA_FORMAT_LA_LATC2_UNORM
,
1699 "MESA_FORMAT_LA_LATC2_UNORM",
1701 GL_UNSIGNED_NORMALIZED
,
1704 4, 4, 16 /* 16 bytes per 4x4 block */
1707 MESA_FORMAT_LA_LATC2_SNORM
,
1708 "MESA_FORMAT_LA_LATC2_SNORM",
1710 GL_SIGNED_NORMALIZED
,
1713 4, 4, 16 /* 16 bytes per 4x4 block */
1716 /* ETC1/2 compressed formats */
1718 MESA_FORMAT_ETC1_RGB8
,
1719 "MESA_FORMAT_ETC1_RGB8",
1721 GL_UNSIGNED_NORMALIZED
,
1724 4, 4, 8 /* 8 bytes per 4x4 block */
1727 MESA_FORMAT_ETC2_RGB8
,
1728 "MESA_FORMAT_ETC2_RGB8",
1730 GL_UNSIGNED_NORMALIZED
,
1733 4, 4, 8 /* 8 bytes per 4x4 block */
1736 MESA_FORMAT_ETC2_SRGB8
,
1737 "MESA_FORMAT_ETC2_SRGB8",
1739 GL_UNSIGNED_NORMALIZED
,
1742 4, 4, 8 /* 8 bytes per 4x4 block */
1745 MESA_FORMAT_ETC2_RGBA8_EAC
,
1746 "MESA_FORMAT_ETC2_RGBA8_EAC",
1748 GL_UNSIGNED_NORMALIZED
,
1751 4, 4, 16 /* 16 bytes per 4x4 block */
1754 MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
,
1755 "MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC",
1757 GL_UNSIGNED_NORMALIZED
,
1760 4, 4, 16 /* 16 bytes per 4x4 block */
1763 MESA_FORMAT_ETC2_R11_EAC
,
1764 "MESA_FORMAT_ETC2_R11_EAC",
1766 GL_UNSIGNED_NORMALIZED
,
1769 4, 4, 8 /* 8 bytes per 4x4 block */
1772 MESA_FORMAT_ETC2_RG11_EAC
,
1773 "MESA_FORMAT_ETC2_RG11_EAC",
1775 GL_UNSIGNED_NORMALIZED
,
1778 4, 4, 16 /* 16 bytes per 4x4 block */
1781 MESA_FORMAT_ETC2_SIGNED_R11_EAC
,
1782 "MESA_FORMAT_ETC2_SIGNED_R11_EAC",
1784 GL_SIGNED_NORMALIZED
,
1787 4, 4, 8 /* 8 bytes per 4x4 block */
1790 MESA_FORMAT_ETC2_SIGNED_RG11_EAC
,
1791 "MESA_FORMAT_ETC2_SIGNED_RG11_EAC",
1793 GL_SIGNED_NORMALIZED
,
1796 4, 4, 16 /* 16 bytes per 4x4 block */
1799 MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
,
1800 "MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1",
1802 GL_UNSIGNED_NORMALIZED
,
1805 4, 4, 8 /* 8 bytes per 4x4 block */
1808 MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
,
1809 "MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1",
1811 GL_UNSIGNED_NORMALIZED
,
1814 4, 4, 8 /* 8 bytes per 4x4 block */
1820 static const struct gl_format_info
*
1821 _mesa_get_format_info(mesa_format format
)
1823 const struct gl_format_info
*info
= &format_info
[format
];
1824 assert(info
->Name
== format
);
1829 /** Return string name of format (for debugging) */
1831 _mesa_get_format_name(mesa_format format
)
1833 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1834 return info
->StrName
;
1840 * Return bytes needed to store a block of pixels in the given format.
1841 * Normally, a block is 1x1 (a single pixel). But for compressed formats
1842 * a block may be 4x4 or 8x4, etc.
1844 * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
1847 _mesa_get_format_bytes(mesa_format format
)
1849 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1850 ASSERT(info
->BytesPerBlock
);
1851 ASSERT(info
->BytesPerBlock
<= MAX_PIXEL_BYTES
||
1852 _mesa_is_format_compressed(format
));
1853 return info
->BytesPerBlock
;
1858 * Return bits per component for the given format.
1859 * \param format one of MESA_FORMAT_x
1860 * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
1863 _mesa_get_format_bits(mesa_format format
, GLenum pname
)
1865 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1869 case GL_TEXTURE_RED_SIZE
:
1870 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1871 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
1872 return info
->RedBits
;
1874 case GL_TEXTURE_GREEN_SIZE
:
1875 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1876 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
1877 return info
->GreenBits
;
1879 case GL_TEXTURE_BLUE_SIZE
:
1880 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1881 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
1882 return info
->BlueBits
;
1884 case GL_TEXTURE_ALPHA_SIZE
:
1885 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1886 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
1887 return info
->AlphaBits
;
1888 case GL_TEXTURE_INTENSITY_SIZE
:
1889 return info
->IntensityBits
;
1890 case GL_TEXTURE_LUMINANCE_SIZE
:
1891 return info
->LuminanceBits
;
1893 return info
->IndexBits
;
1895 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1896 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1897 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
1898 return info
->DepthBits
;
1899 case GL_STENCIL_BITS
:
1900 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1901 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1902 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
1903 return info
->StencilBits
;
1905 _mesa_problem(NULL
, "bad pname in _mesa_get_format_bits()");
1912 _mesa_get_format_max_bits(mesa_format format
)
1914 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1915 GLuint max
= MAX2(info
->RedBits
, info
->GreenBits
);
1916 max
= MAX2(max
, info
->BlueBits
);
1917 max
= MAX2(max
, info
->AlphaBits
);
1918 max
= MAX2(max
, info
->LuminanceBits
);
1919 max
= MAX2(max
, info
->IntensityBits
);
1920 max
= MAX2(max
, info
->DepthBits
);
1921 max
= MAX2(max
, info
->StencilBits
);
1927 * Return the data type (or more specifically, the data representation)
1928 * for the given format.
1929 * The return value will be one of:
1930 * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
1931 * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
1932 * GL_UNSIGNED_INT = an ordinary unsigned integer
1933 * GL_INT = an ordinary signed integer
1934 * GL_FLOAT = an ordinary float
1937 _mesa_get_format_datatype(mesa_format format
)
1939 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1940 return info
->DataType
;
1945 * Return the basic format for the given type. The result will be one of
1946 * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
1947 * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
1950 _mesa_get_format_base_format(mesa_format format
)
1952 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1953 return info
->BaseFormat
;
1958 * Return the block size (in pixels) for the given format. Normally
1959 * the block size is 1x1. But compressed formats will have block sizes
1960 * of 4x4 or 8x4 pixels, etc.
1961 * \param bw returns block width in pixels
1962 * \param bh returns block height in pixels
1965 _mesa_get_format_block_size(mesa_format format
, GLuint
*bw
, GLuint
*bh
)
1967 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1968 *bw
= info
->BlockWidth
;
1969 *bh
= info
->BlockHeight
;
1973 /** Is the given format a compressed format? */
1975 _mesa_is_format_compressed(mesa_format format
)
1977 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1978 return info
->BlockWidth
> 1 || info
->BlockHeight
> 1;
1983 * Determine if the given format represents a packed depth/stencil buffer.
1986 _mesa_is_format_packed_depth_stencil(mesa_format format
)
1988 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
1990 return info
->BaseFormat
== GL_DEPTH_STENCIL
;
1995 * Is the given format a signed/unsigned integer color format?
1998 _mesa_is_format_integer_color(mesa_format format
)
2000 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2001 return (info
->DataType
== GL_INT
|| info
->DataType
== GL_UNSIGNED_INT
) &&
2002 info
->BaseFormat
!= GL_DEPTH_COMPONENT
&&
2003 info
->BaseFormat
!= GL_DEPTH_STENCIL
&&
2004 info
->BaseFormat
!= GL_STENCIL_INDEX
;
2009 * Is the given format an unsigned integer format?
2012 _mesa_is_format_unsigned(mesa_format format
)
2014 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2015 return _mesa_is_type_unsigned(info
->DataType
);
2020 * Does the given format store signed values?
2023 _mesa_is_format_signed(mesa_format format
)
2025 if (format
== MESA_FORMAT_R11G11B10_FLOAT
||
2026 format
== MESA_FORMAT_R9G9B9E5_FLOAT
) {
2027 /* these packed float formats only store unsigned values */
2031 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2032 return (info
->DataType
== GL_SIGNED_NORMALIZED
||
2033 info
->DataType
== GL_INT
||
2034 info
->DataType
== GL_FLOAT
);
2039 * Is the given format an integer format?
2042 _mesa_is_format_integer(mesa_format format
)
2044 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2045 return (info
->DataType
== GL_INT
|| info
->DataType
== GL_UNSIGNED_INT
);
2049 * Return color encoding for given format.
2050 * \return GL_LINEAR or GL_SRGB
2053 _mesa_get_format_color_encoding(mesa_format format
)
2055 /* XXX this info should be encoded in gl_format_info */
2057 case MESA_FORMAT_BGR_SRGB8
:
2058 case MESA_FORMAT_A8B8G8R8_SRGB
:
2059 case MESA_FORMAT_B8G8R8A8_SRGB
:
2060 case MESA_FORMAT_R8G8B8A8_SRGB
:
2061 case MESA_FORMAT_L_SRGB8
:
2062 case MESA_FORMAT_L8A8_SRGB
:
2063 case MESA_FORMAT_SRGB_DXT1
:
2064 case MESA_FORMAT_SRGBA_DXT1
:
2065 case MESA_FORMAT_SRGBA_DXT3
:
2066 case MESA_FORMAT_SRGBA_DXT5
:
2067 case MESA_FORMAT_R8G8B8X8_SRGB
:
2068 case MESA_FORMAT_ETC2_SRGB8
:
2069 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2070 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2071 case MESA_FORMAT_B8G8R8X8_SRGB
:
2080 * For an sRGB format, return the corresponding linear color space format.
2081 * For non-sRGB formats, return the format as-is.
2084 _mesa_get_srgb_format_linear(mesa_format format
)
2087 case MESA_FORMAT_BGR_SRGB8
:
2088 format
= MESA_FORMAT_BGR_UNORM8
;
2090 case MESA_FORMAT_A8B8G8R8_SRGB
:
2091 format
= MESA_FORMAT_A8B8G8R8_UNORM
;
2093 case MESA_FORMAT_B8G8R8A8_SRGB
:
2094 format
= MESA_FORMAT_B8G8R8A8_UNORM
;
2096 case MESA_FORMAT_R8G8B8A8_SRGB
:
2097 format
= MESA_FORMAT_R8G8B8A8_UNORM
;
2099 case MESA_FORMAT_L_SRGB8
:
2100 format
= MESA_FORMAT_L_UNORM8
;
2102 case MESA_FORMAT_L8A8_SRGB
:
2103 format
= MESA_FORMAT_L8A8_UNORM
;
2105 case MESA_FORMAT_SRGB_DXT1
:
2106 format
= MESA_FORMAT_RGB_DXT1
;
2108 case MESA_FORMAT_SRGBA_DXT1
:
2109 format
= MESA_FORMAT_RGBA_DXT1
;
2111 case MESA_FORMAT_SRGBA_DXT3
:
2112 format
= MESA_FORMAT_RGBA_DXT3
;
2114 case MESA_FORMAT_SRGBA_DXT5
:
2115 format
= MESA_FORMAT_RGBA_DXT5
;
2117 case MESA_FORMAT_R8G8B8X8_SRGB
:
2118 format
= MESA_FORMAT_R8G8B8X8_UNORM
;
2120 case MESA_FORMAT_ETC2_SRGB8
:
2121 format
= MESA_FORMAT_ETC2_RGB8
;
2123 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2124 format
= MESA_FORMAT_ETC2_RGBA8_EAC
;
2126 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2127 format
= MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
2129 case MESA_FORMAT_B8G8R8X8_SRGB
:
2130 format
= MESA_FORMAT_B8G8R8X8_UNORM
;
2140 * If the given format is a compressed format, return a corresponding
2141 * uncompressed format.
2144 _mesa_get_uncompressed_format(mesa_format format
)
2147 case MESA_FORMAT_RGB_FXT1
:
2148 return MESA_FORMAT_BGR_UNORM8
;
2149 case MESA_FORMAT_RGBA_FXT1
:
2150 return MESA_FORMAT_A8B8G8R8_UNORM
;
2151 case MESA_FORMAT_RGB_DXT1
:
2152 case MESA_FORMAT_SRGB_DXT1
:
2153 return MESA_FORMAT_BGR_UNORM8
;
2154 case MESA_FORMAT_RGBA_DXT1
:
2155 case MESA_FORMAT_SRGBA_DXT1
:
2156 return MESA_FORMAT_A8B8G8R8_UNORM
;
2157 case MESA_FORMAT_RGBA_DXT3
:
2158 case MESA_FORMAT_SRGBA_DXT3
:
2159 return MESA_FORMAT_A8B8G8R8_UNORM
;
2160 case MESA_FORMAT_RGBA_DXT5
:
2161 case MESA_FORMAT_SRGBA_DXT5
:
2162 return MESA_FORMAT_A8B8G8R8_UNORM
;
2163 case MESA_FORMAT_R_RGTC1_UNORM
:
2164 return MESA_FORMAT_R_UNORM8
;
2165 case MESA_FORMAT_R_RGTC1_SNORM
:
2166 return MESA_FORMAT_R_SNORM8
;
2167 case MESA_FORMAT_RG_RGTC2_UNORM
:
2168 return MESA_FORMAT_R8G8_UNORM
;
2169 case MESA_FORMAT_RG_RGTC2_SNORM
:
2170 return MESA_FORMAT_R8G8_SNORM
;
2171 case MESA_FORMAT_L_LATC1_UNORM
:
2172 return MESA_FORMAT_L_UNORM8
;
2173 case MESA_FORMAT_L_LATC1_SNORM
:
2174 return MESA_FORMAT_L_SNORM8
;
2175 case MESA_FORMAT_LA_LATC2_UNORM
:
2176 return MESA_FORMAT_L8A8_UNORM
;
2177 case MESA_FORMAT_LA_LATC2_SNORM
:
2178 return MESA_FORMAT_L8A8_SNORM
;
2179 case MESA_FORMAT_ETC1_RGB8
:
2180 case MESA_FORMAT_ETC2_RGB8
:
2181 case MESA_FORMAT_ETC2_SRGB8
:
2182 return MESA_FORMAT_BGR_UNORM8
;
2183 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2184 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2185 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2186 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2187 return MESA_FORMAT_A8B8G8R8_UNORM
;
2188 case MESA_FORMAT_ETC2_R11_EAC
:
2189 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2190 return MESA_FORMAT_R_UNORM16
;
2191 case MESA_FORMAT_ETC2_RG11_EAC
:
2192 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2193 return MESA_FORMAT_R16G16_UNORM
;
2196 assert(!_mesa_is_format_compressed(format
));
2204 _mesa_format_num_components(mesa_format format
)
2206 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2207 return ((info
->RedBits
> 0) +
2208 (info
->GreenBits
> 0) +
2209 (info
->BlueBits
> 0) +
2210 (info
->AlphaBits
> 0) +
2211 (info
->LuminanceBits
> 0) +
2212 (info
->IntensityBits
> 0) +
2213 (info
->DepthBits
> 0) +
2214 (info
->StencilBits
> 0));
2219 * Returns true if a color format has data stored in the R/G/B/A channels,
2220 * given an index from 0 to 3.
2223 _mesa_format_has_color_component(mesa_format format
, int component
)
2225 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2227 assert(info
->BaseFormat
!= GL_DEPTH_COMPONENT
&&
2228 info
->BaseFormat
!= GL_DEPTH_STENCIL
&&
2229 info
->BaseFormat
!= GL_STENCIL_INDEX
);
2231 switch (component
) {
2233 return (info
->RedBits
+ info
->IntensityBits
+ info
->LuminanceBits
) > 0;
2235 return (info
->GreenBits
+ info
->IntensityBits
+ info
->LuminanceBits
) > 0;
2237 return (info
->BlueBits
+ info
->IntensityBits
+ info
->LuminanceBits
) > 0;
2239 return (info
->AlphaBits
+ info
->IntensityBits
) > 0;
2241 assert(!"Invalid color component: must be 0..3");
2248 * Return number of bytes needed to store an image of the given size
2249 * in the given format.
2252 _mesa_format_image_size(mesa_format format
, GLsizei width
,
2253 GLsizei height
, GLsizei depth
)
2255 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2256 /* Strictly speaking, a conditional isn't needed here */
2257 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2258 /* compressed format (2D only for now) */
2259 const GLuint bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2260 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2261 const GLuint hblocks
= (height
+ bh
- 1) / bh
;
2262 const GLuint sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2266 /* non-compressed */
2267 const GLuint sz
= width
* height
* depth
* info
->BytesPerBlock
;
2274 * Same as _mesa_format_image_size() but returns a 64-bit value to
2275 * accomodate very large textures.
2278 _mesa_format_image_size64(mesa_format format
, GLsizei width
,
2279 GLsizei height
, GLsizei depth
)
2281 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2282 /* Strictly speaking, a conditional isn't needed here */
2283 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2284 /* compressed format (2D only for now) */
2285 const uint64_t bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2286 const uint64_t wblocks
= (width
+ bw
- 1) / bw
;
2287 const uint64_t hblocks
= (height
+ bh
- 1) / bh
;
2288 const uint64_t sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2292 /* non-compressed */
2293 const uint64_t sz
= ((uint64_t) width
*
2296 info
->BytesPerBlock
);
2304 _mesa_format_row_stride(mesa_format format
, GLsizei width
)
2306 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2307 /* Strictly speaking, a conditional isn't needed here */
2308 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2309 /* compressed format */
2310 const GLuint bw
= info
->BlockWidth
;
2311 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2312 const GLint stride
= wblocks
* info
->BytesPerBlock
;
2316 const GLint stride
= width
* info
->BytesPerBlock
;
2323 * Debug/test: check that all formats are handled in the
2324 * _mesa_format_to_type_and_comps() function. When new pixel formats
2325 * are added to Mesa, that function needs to be updated.
2326 * This is a no-op after the first call.
2329 check_format_to_type_and_comps(void)
2333 for (f
= MESA_FORMAT_NONE
+ 1; f
< MESA_FORMAT_COUNT
; f
++) {
2334 GLenum datatype
= 0;
2336 /* This function will emit a problem/warning if the format is
2339 _mesa_format_to_type_and_comps(f
, &datatype
, &comps
);
2345 * Do sanity checking of the format info table.
2348 _mesa_test_formats(void)
2352 STATIC_ASSERT(Elements(format_info
) == MESA_FORMAT_COUNT
);
2354 for (i
= 0; i
< MESA_FORMAT_COUNT
; i
++) {
2355 const struct gl_format_info
*info
= _mesa_get_format_info(i
);
2358 assert(info
->Name
== i
);
2360 if (info
->Name
== MESA_FORMAT_NONE
)
2363 if (info
->BlockWidth
== 1 && info
->BlockHeight
== 1) {
2364 if (info
->RedBits
> 0) {
2365 GLuint t
= info
->RedBits
+ info
->GreenBits
2366 + info
->BlueBits
+ info
->AlphaBits
;
2367 assert(t
/ 8 <= info
->BytesPerBlock
);
2372 assert(info
->DataType
== GL_UNSIGNED_NORMALIZED
||
2373 info
->DataType
== GL_SIGNED_NORMALIZED
||
2374 info
->DataType
== GL_UNSIGNED_INT
||
2375 info
->DataType
== GL_INT
||
2376 info
->DataType
== GL_FLOAT
||
2377 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2378 info
->DataType
== GL_NONE
);
2380 if (info
->BaseFormat
== GL_RGB
) {
2381 assert(info
->RedBits
> 0);
2382 assert(info
->GreenBits
> 0);
2383 assert(info
->BlueBits
> 0);
2384 assert(info
->AlphaBits
== 0);
2385 assert(info
->LuminanceBits
== 0);
2386 assert(info
->IntensityBits
== 0);
2388 else if (info
->BaseFormat
== GL_RGBA
) {
2389 assert(info
->RedBits
> 0);
2390 assert(info
->GreenBits
> 0);
2391 assert(info
->BlueBits
> 0);
2392 assert(info
->AlphaBits
> 0);
2393 assert(info
->LuminanceBits
== 0);
2394 assert(info
->IntensityBits
== 0);
2396 else if (info
->BaseFormat
== GL_RG
) {
2397 assert(info
->RedBits
> 0);
2398 assert(info
->GreenBits
> 0);
2399 assert(info
->BlueBits
== 0);
2400 assert(info
->AlphaBits
== 0);
2401 assert(info
->LuminanceBits
== 0);
2402 assert(info
->IntensityBits
== 0);
2404 else if (info
->BaseFormat
== GL_RED
) {
2405 assert(info
->RedBits
> 0);
2406 assert(info
->GreenBits
== 0);
2407 assert(info
->BlueBits
== 0);
2408 assert(info
->AlphaBits
== 0);
2409 assert(info
->LuminanceBits
== 0);
2410 assert(info
->IntensityBits
== 0);
2412 else if (info
->BaseFormat
== GL_LUMINANCE
) {
2413 assert(info
->RedBits
== 0);
2414 assert(info
->GreenBits
== 0);
2415 assert(info
->BlueBits
== 0);
2416 assert(info
->AlphaBits
== 0);
2417 assert(info
->LuminanceBits
> 0);
2418 assert(info
->IntensityBits
== 0);
2420 else if (info
->BaseFormat
== GL_INTENSITY
) {
2421 assert(info
->RedBits
== 0);
2422 assert(info
->GreenBits
== 0);
2423 assert(info
->BlueBits
== 0);
2424 assert(info
->AlphaBits
== 0);
2425 assert(info
->LuminanceBits
== 0);
2426 assert(info
->IntensityBits
> 0);
2430 check_format_to_type_and_comps();
2436 * Return datatype and number of components per texel for the given mesa_format.
2437 * Only used for mipmap generation code.
2440 _mesa_format_to_type_and_comps(mesa_format format
,
2441 GLenum
*datatype
, GLuint
*comps
)
2444 case MESA_FORMAT_A8B8G8R8_UNORM
:
2445 case MESA_FORMAT_R8G8B8A8_UNORM
:
2446 case MESA_FORMAT_B8G8R8A8_UNORM
:
2447 case MESA_FORMAT_A8R8G8B8_UNORM
:
2448 case MESA_FORMAT_X8B8G8R8_UNORM
:
2449 case MESA_FORMAT_R8G8B8X8_UNORM
:
2450 case MESA_FORMAT_B8G8R8X8_UNORM
:
2451 case MESA_FORMAT_X8R8G8B8_UNORM
:
2452 *datatype
= GL_UNSIGNED_BYTE
;
2455 case MESA_FORMAT_BGR_UNORM8
:
2456 case MESA_FORMAT_RGB_UNORM8
:
2457 *datatype
= GL_UNSIGNED_BYTE
;
2460 case MESA_FORMAT_B5G6R5_UNORM
:
2461 case MESA_FORMAT_R5G6B5_UNORM
:
2462 *datatype
= GL_UNSIGNED_SHORT_5_6_5
;
2466 case MESA_FORMAT_B4G4R4A4_UNORM
:
2467 case MESA_FORMAT_A4R4G4B4_UNORM
:
2468 case MESA_FORMAT_B4G4R4X4_UNORM
:
2469 *datatype
= GL_UNSIGNED_SHORT_4_4_4_4
;
2473 case MESA_FORMAT_B5G5R5A1_UNORM
:
2474 case MESA_FORMAT_A1R5G5B5_UNORM
:
2475 case MESA_FORMAT_B5G5R5X1_UNORM
:
2476 *datatype
= GL_UNSIGNED_SHORT_1_5_5_5_REV
;
2480 case MESA_FORMAT_B10G10R10A2_UNORM
:
2481 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2485 case MESA_FORMAT_A1B5G5R5_UNORM
:
2486 *datatype
= GL_UNSIGNED_SHORT_5_5_5_1
;
2490 case MESA_FORMAT_L4A4_UNORM
:
2491 *datatype
= MESA_UNSIGNED_BYTE_4_4
;
2495 case MESA_FORMAT_L8A8_UNORM
:
2496 case MESA_FORMAT_A8L8_UNORM
:
2497 case MESA_FORMAT_R8G8_UNORM
:
2498 case MESA_FORMAT_G8R8_UNORM
:
2499 *datatype
= GL_UNSIGNED_BYTE
;
2503 case MESA_FORMAT_L16A16_UNORM
:
2504 case MESA_FORMAT_A16L16_UNORM
:
2505 case MESA_FORMAT_R16G16_UNORM
:
2506 case MESA_FORMAT_G16R16_UNORM
:
2507 *datatype
= GL_UNSIGNED_SHORT
;
2511 case MESA_FORMAT_R_UNORM16
:
2512 case MESA_FORMAT_A_UNORM16
:
2513 case MESA_FORMAT_L_UNORM16
:
2514 case MESA_FORMAT_I_UNORM16
:
2515 *datatype
= GL_UNSIGNED_SHORT
;
2519 case MESA_FORMAT_B2G3R3_UNORM
:
2520 *datatype
= GL_UNSIGNED_BYTE_3_3_2
;
2524 case MESA_FORMAT_A_UNORM8
:
2525 case MESA_FORMAT_L_UNORM8
:
2526 case MESA_FORMAT_I_UNORM8
:
2527 case MESA_FORMAT_R_UNORM8
:
2528 case MESA_FORMAT_S_UINT8
:
2529 *datatype
= GL_UNSIGNED_BYTE
;
2533 case MESA_FORMAT_YCBCR
:
2534 case MESA_FORMAT_YCBCR_REV
:
2535 *datatype
= GL_UNSIGNED_SHORT
;
2539 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2540 *datatype
= GL_UNSIGNED_INT_24_8_MESA
;
2544 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2545 *datatype
= GL_UNSIGNED_INT_8_24_REV_MESA
;
2549 case MESA_FORMAT_Z_UNORM16
:
2550 *datatype
= GL_UNSIGNED_SHORT
;
2554 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2555 *datatype
= GL_UNSIGNED_INT
;
2559 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2560 *datatype
= GL_UNSIGNED_INT
;
2564 case MESA_FORMAT_Z_UNORM32
:
2565 *datatype
= GL_UNSIGNED_INT
;
2569 case MESA_FORMAT_Z_FLOAT32
:
2570 *datatype
= GL_FLOAT
;
2574 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2575 *datatype
= GL_FLOAT_32_UNSIGNED_INT_24_8_REV
;
2579 case MESA_FORMAT_DUDV8
:
2580 *datatype
= GL_BYTE
;
2584 case MESA_FORMAT_R_SNORM8
:
2585 case MESA_FORMAT_A_SNORM8
:
2586 case MESA_FORMAT_L_SNORM8
:
2587 case MESA_FORMAT_I_SNORM8
:
2588 *datatype
= GL_BYTE
;
2591 case MESA_FORMAT_R8G8_SNORM
:
2592 case MESA_FORMAT_L8A8_SNORM
:
2593 *datatype
= GL_BYTE
;
2596 case MESA_FORMAT_A8B8G8R8_SNORM
:
2597 case MESA_FORMAT_R8G8B8A8_SNORM
:
2598 case MESA_FORMAT_X8B8G8R8_SNORM
:
2599 *datatype
= GL_BYTE
;
2603 case MESA_FORMAT_RGBA_UNORM16
:
2604 *datatype
= GL_UNSIGNED_SHORT
;
2608 case MESA_FORMAT_R_SNORM16
:
2609 case MESA_FORMAT_A_SNORM16
:
2610 case MESA_FORMAT_L_SNORM16
:
2611 case MESA_FORMAT_I_SNORM16
:
2612 *datatype
= GL_SHORT
;
2615 case MESA_FORMAT_R16G16_SNORM
:
2616 case MESA_FORMAT_LA_SNORM16
:
2617 *datatype
= GL_SHORT
;
2620 case MESA_FORMAT_RGB_SNORM16
:
2621 *datatype
= GL_SHORT
;
2624 case MESA_FORMAT_RGBA_SNORM16
:
2625 *datatype
= GL_SHORT
;
2629 case MESA_FORMAT_BGR_SRGB8
:
2630 *datatype
= GL_UNSIGNED_BYTE
;
2633 case MESA_FORMAT_A8B8G8R8_SRGB
:
2634 case MESA_FORMAT_B8G8R8A8_SRGB
:
2635 case MESA_FORMAT_R8G8B8A8_SRGB
:
2636 *datatype
= GL_UNSIGNED_BYTE
;
2639 case MESA_FORMAT_L_SRGB8
:
2640 *datatype
= GL_UNSIGNED_BYTE
;
2643 case MESA_FORMAT_L8A8_SRGB
:
2644 *datatype
= GL_UNSIGNED_BYTE
;
2648 case MESA_FORMAT_RGB_FXT1
:
2649 case MESA_FORMAT_RGBA_FXT1
:
2650 case MESA_FORMAT_RGB_DXT1
:
2651 case MESA_FORMAT_RGBA_DXT1
:
2652 case MESA_FORMAT_RGBA_DXT3
:
2653 case MESA_FORMAT_RGBA_DXT5
:
2654 case MESA_FORMAT_SRGB_DXT1
:
2655 case MESA_FORMAT_SRGBA_DXT1
:
2656 case MESA_FORMAT_SRGBA_DXT3
:
2657 case MESA_FORMAT_SRGBA_DXT5
:
2658 case MESA_FORMAT_R_RGTC1_UNORM
:
2659 case MESA_FORMAT_R_RGTC1_SNORM
:
2660 case MESA_FORMAT_RG_RGTC2_UNORM
:
2661 case MESA_FORMAT_RG_RGTC2_SNORM
:
2662 case MESA_FORMAT_L_LATC1_UNORM
:
2663 case MESA_FORMAT_L_LATC1_SNORM
:
2664 case MESA_FORMAT_LA_LATC2_UNORM
:
2665 case MESA_FORMAT_LA_LATC2_SNORM
:
2666 case MESA_FORMAT_ETC1_RGB8
:
2667 case MESA_FORMAT_ETC2_RGB8
:
2668 case MESA_FORMAT_ETC2_SRGB8
:
2669 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2670 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2671 case MESA_FORMAT_ETC2_R11_EAC
:
2672 case MESA_FORMAT_ETC2_RG11_EAC
:
2673 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2674 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2675 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2676 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2677 /* XXX generate error instead? */
2678 *datatype
= GL_UNSIGNED_BYTE
;
2682 case MESA_FORMAT_RGBA_FLOAT32
:
2683 *datatype
= GL_FLOAT
;
2686 case MESA_FORMAT_RGBA_FLOAT16
:
2687 *datatype
= GL_HALF_FLOAT_ARB
;
2690 case MESA_FORMAT_RGB_FLOAT32
:
2691 *datatype
= GL_FLOAT
;
2694 case MESA_FORMAT_RGB_FLOAT16
:
2695 *datatype
= GL_HALF_FLOAT_ARB
;
2698 case MESA_FORMAT_LA_FLOAT32
:
2699 case MESA_FORMAT_RG_FLOAT32
:
2700 *datatype
= GL_FLOAT
;
2703 case MESA_FORMAT_LA_FLOAT16
:
2704 case MESA_FORMAT_RG_FLOAT16
:
2705 *datatype
= GL_HALF_FLOAT_ARB
;
2708 case MESA_FORMAT_A_FLOAT32
:
2709 case MESA_FORMAT_L_FLOAT32
:
2710 case MESA_FORMAT_I_FLOAT32
:
2711 case MESA_FORMAT_R_FLOAT32
:
2712 *datatype
= GL_FLOAT
;
2715 case MESA_FORMAT_A_FLOAT16
:
2716 case MESA_FORMAT_L_FLOAT16
:
2717 case MESA_FORMAT_I_FLOAT16
:
2718 case MESA_FORMAT_R_FLOAT16
:
2719 *datatype
= GL_HALF_FLOAT_ARB
;
2723 case MESA_FORMAT_A_UINT8
:
2724 case MESA_FORMAT_L_UINT8
:
2725 case MESA_FORMAT_I_UINT8
:
2726 *datatype
= GL_UNSIGNED_BYTE
;
2729 case MESA_FORMAT_LA_UINT8
:
2730 *datatype
= GL_UNSIGNED_BYTE
;
2734 case MESA_FORMAT_A_UINT16
:
2735 case MESA_FORMAT_L_UINT16
:
2736 case MESA_FORMAT_I_UINT16
:
2737 *datatype
= GL_UNSIGNED_SHORT
;
2740 case MESA_FORMAT_LA_UINT16
:
2741 *datatype
= GL_UNSIGNED_SHORT
;
2744 case MESA_FORMAT_A_UINT32
:
2745 case MESA_FORMAT_L_UINT32
:
2746 case MESA_FORMAT_I_UINT32
:
2747 *datatype
= GL_UNSIGNED_INT
;
2750 case MESA_FORMAT_LA_UINT32
:
2751 *datatype
= GL_UNSIGNED_INT
;
2754 case MESA_FORMAT_A_SINT8
:
2755 case MESA_FORMAT_L_SINT8
:
2756 case MESA_FORMAT_I_SINT8
:
2757 *datatype
= GL_BYTE
;
2760 case MESA_FORMAT_LA_SINT8
:
2761 *datatype
= GL_BYTE
;
2765 case MESA_FORMAT_A_SINT16
:
2766 case MESA_FORMAT_L_SINT16
:
2767 case MESA_FORMAT_I_SINT16
:
2768 *datatype
= GL_SHORT
;
2771 case MESA_FORMAT_LA_SINT16
:
2772 *datatype
= GL_SHORT
;
2776 case MESA_FORMAT_A_SINT32
:
2777 case MESA_FORMAT_L_SINT32
:
2778 case MESA_FORMAT_I_SINT32
:
2782 case MESA_FORMAT_LA_SINT32
:
2787 case MESA_FORMAT_R_SINT8
:
2788 *datatype
= GL_BYTE
;
2791 case MESA_FORMAT_RG_SINT8
:
2792 *datatype
= GL_BYTE
;
2795 case MESA_FORMAT_RGB_SINT8
:
2796 *datatype
= GL_BYTE
;
2799 case MESA_FORMAT_RGBA_SINT8
:
2800 *datatype
= GL_BYTE
;
2803 case MESA_FORMAT_R_SINT16
:
2804 *datatype
= GL_SHORT
;
2807 case MESA_FORMAT_RG_SINT16
:
2808 *datatype
= GL_SHORT
;
2811 case MESA_FORMAT_RGB_SINT16
:
2812 *datatype
= GL_SHORT
;
2815 case MESA_FORMAT_RGBA_SINT16
:
2816 *datatype
= GL_SHORT
;
2819 case MESA_FORMAT_R_SINT32
:
2823 case MESA_FORMAT_RG_SINT32
:
2827 case MESA_FORMAT_RGB_SINT32
:
2831 case MESA_FORMAT_RGBA_SINT32
:
2837 * \name Non-normalized unsigned integer formats.
2839 case MESA_FORMAT_R_UINT8
:
2840 *datatype
= GL_UNSIGNED_BYTE
;
2843 case MESA_FORMAT_RG_UINT8
:
2844 *datatype
= GL_UNSIGNED_BYTE
;
2847 case MESA_FORMAT_RGB_UINT8
:
2848 *datatype
= GL_UNSIGNED_BYTE
;
2851 case MESA_FORMAT_RGBA_UINT8
:
2852 *datatype
= GL_UNSIGNED_BYTE
;
2855 case MESA_FORMAT_R_UINT16
:
2856 *datatype
= GL_UNSIGNED_SHORT
;
2859 case MESA_FORMAT_RG_UINT16
:
2860 *datatype
= GL_UNSIGNED_SHORT
;
2863 case MESA_FORMAT_RGB_UINT16
:
2864 *datatype
= GL_UNSIGNED_SHORT
;
2867 case MESA_FORMAT_RGBA_UINT16
:
2868 *datatype
= GL_UNSIGNED_SHORT
;
2871 case MESA_FORMAT_R_UINT32
:
2872 *datatype
= GL_UNSIGNED_INT
;
2875 case MESA_FORMAT_RG_UINT32
:
2876 *datatype
= GL_UNSIGNED_INT
;
2879 case MESA_FORMAT_RGB_UINT32
:
2880 *datatype
= GL_UNSIGNED_INT
;
2883 case MESA_FORMAT_RGBA_UINT32
:
2884 *datatype
= GL_UNSIGNED_INT
;
2888 case MESA_FORMAT_R9G9B9E5_FLOAT
:
2889 *datatype
= GL_UNSIGNED_INT_5_9_9_9_REV
;
2893 case MESA_FORMAT_R11G11B10_FLOAT
:
2894 *datatype
= GL_UNSIGNED_INT_10F_11F_11F_REV
;
2898 case MESA_FORMAT_B10G10R10A2_UINT
:
2899 case MESA_FORMAT_R10G10B10A2_UINT
:
2900 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2904 case MESA_FORMAT_R8G8B8X8_SRGB
:
2905 case MESA_FORMAT_RGBX_UINT8
:
2906 *datatype
= GL_UNSIGNED_BYTE
;
2910 case MESA_FORMAT_R8G8B8X8_SNORM
:
2911 case MESA_FORMAT_RGBX_SINT8
:
2912 *datatype
= GL_BYTE
;
2916 case MESA_FORMAT_B10G10R10X2_UNORM
:
2917 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2921 case MESA_FORMAT_RGBX_UNORM16
:
2922 case MESA_FORMAT_RGBX_UINT16
:
2923 *datatype
= GL_UNSIGNED_SHORT
;
2927 case MESA_FORMAT_RGBX_SNORM16
:
2928 case MESA_FORMAT_RGBX_SINT16
:
2929 *datatype
= GL_SHORT
;
2933 case MESA_FORMAT_RGBX_FLOAT16
:
2934 *datatype
= GL_HALF_FLOAT
;
2938 case MESA_FORMAT_RGBX_FLOAT32
:
2939 *datatype
= GL_FLOAT
;
2943 case MESA_FORMAT_RGBX_UINT32
:
2944 *datatype
= GL_UNSIGNED_INT
;
2948 case MESA_FORMAT_RGBX_SINT32
:
2953 case MESA_FORMAT_R10G10B10A2_UNORM
:
2954 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2958 case MESA_FORMAT_G8R8_SNORM
:
2959 *datatype
= GL_BYTE
;
2963 case MESA_FORMAT_G16R16_SNORM
:
2964 *datatype
= GL_SHORT
;
2968 case MESA_FORMAT_B8G8R8X8_SRGB
:
2969 *datatype
= GL_UNSIGNED_BYTE
;
2973 case MESA_FORMAT_COUNT
:
2977 case MESA_FORMAT_NONE
:
2978 /* For debug builds, warn if any formats are not handled */
2982 _mesa_problem(NULL
, "bad format %s in _mesa_format_to_type_and_comps",
2983 _mesa_get_format_name(format
));
2990 * Check if a mesa_format exactly matches a GL format/type combination
2991 * such that we can use memcpy() from one to the other.
2992 * \param mesa_format a MESA_FORMAT_x value
2993 * \param format the user-specified image format
2994 * \param type the user-specified image datatype
2995 * \param swapBytes typically the current pixel pack/unpack byteswap state
2996 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2999 _mesa_format_matches_format_and_type(mesa_format mesa_format
,
3000 GLenum format
, GLenum type
,
3001 GLboolean swapBytes
)
3003 const GLboolean littleEndian
= _mesa_little_endian();
3005 /* Note: When reading a GL format/type combination, the format lists channel
3006 * assignments from most significant channel in the type to least
3007 * significant. A type with _REV indicates that the assignments are
3008 * swapped, so they are listed from least significant to most significant.
3010 * For sanity, please keep this switch statement ordered the same as the
3011 * enums in formats.h.
3014 switch (mesa_format
) {
3016 case MESA_FORMAT_NONE
:
3017 case MESA_FORMAT_COUNT
:
3020 case MESA_FORMAT_A8B8G8R8_UNORM
:
3021 case MESA_FORMAT_A8B8G8R8_SRGB
:
3022 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
3025 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&& swapBytes
)
3028 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3031 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
3035 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
3039 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3044 case MESA_FORMAT_R8G8B8A8_UNORM
:
3045 case MESA_FORMAT_R8G8B8A8_SRGB
:
3046 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3050 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
3053 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3056 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
&&
3060 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3064 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3069 case MESA_FORMAT_B8G8R8A8_UNORM
:
3070 case MESA_FORMAT_B8G8R8A8_SRGB
:
3071 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3075 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
3078 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3083 case MESA_FORMAT_A8R8G8B8_UNORM
:
3084 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
3087 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3091 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3096 case MESA_FORMAT_X8B8G8R8_UNORM
:
3097 case MESA_FORMAT_R8G8B8X8_UNORM
:
3100 case MESA_FORMAT_B8G8R8X8_UNORM
:
3101 case MESA_FORMAT_X8R8G8B8_UNORM
:
3104 case MESA_FORMAT_BGR_UNORM8
:
3105 case MESA_FORMAT_BGR_SRGB8
:
3106 return format
== GL_BGR
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3108 case MESA_FORMAT_RGB_UNORM8
:
3109 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3111 case MESA_FORMAT_B5G6R5_UNORM
:
3112 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
&& !swapBytes
;
3114 case MESA_FORMAT_R5G6B5_UNORM
:
3115 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
3116 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
3117 * according to formats.h, so they can't be matched.
3121 case MESA_FORMAT_B4G4R4A4_UNORM
:
3122 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_4_4_4_4_REV
&&
3125 case MESA_FORMAT_A4R4G4B4_UNORM
:
3128 case MESA_FORMAT_A1B5G5R5_UNORM
:
3129 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT_5_5_5_1
&&
3132 case MESA_FORMAT_B5G5R5A1_UNORM
:
3133 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
&&
3136 case MESA_FORMAT_A1R5G5B5_UNORM
:
3139 case MESA_FORMAT_L4A4_UNORM
:
3141 case MESA_FORMAT_L8A8_UNORM
:
3142 case MESA_FORMAT_L8A8_SRGB
:
3143 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3144 case MESA_FORMAT_A8L8_UNORM
:
3147 case MESA_FORMAT_L16A16_UNORM
:
3148 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&& !swapBytes
;
3149 case MESA_FORMAT_A16L16_UNORM
:
3152 case MESA_FORMAT_B2G3R3_UNORM
:
3153 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE_3_3_2
;
3155 case MESA_FORMAT_A_UNORM8
:
3156 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_BYTE
;
3157 case MESA_FORMAT_A_UNORM16
:
3158 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3159 case MESA_FORMAT_L_UNORM8
:
3160 case MESA_FORMAT_L_SRGB8
:
3161 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_BYTE
;
3162 case MESA_FORMAT_L_UNORM16
:
3163 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3164 case MESA_FORMAT_I_UNORM8
:
3165 return format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
;
3166 case MESA_FORMAT_I_UNORM16
:
3167 return format
== GL_RED
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3169 case MESA_FORMAT_YCBCR
:
3170 return format
== GL_YCBCR_MESA
&&
3171 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
!= swapBytes
) ||
3172 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
== swapBytes
));
3173 case MESA_FORMAT_YCBCR_REV
:
3174 return format
== GL_YCBCR_MESA
&&
3175 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
== swapBytes
) ||
3176 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
!= swapBytes
));
3178 case MESA_FORMAT_R_UNORM8
:
3179 return format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
;
3180 case MESA_FORMAT_R8G8_UNORM
:
3181 return format
== GL_RG
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3182 case MESA_FORMAT_G8R8_UNORM
:
3185 case MESA_FORMAT_R_UNORM16
:
3186 return format
== GL_RED
&& type
== GL_UNSIGNED_SHORT
&&
3188 case MESA_FORMAT_R16G16_UNORM
:
3189 return format
== GL_RG
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&&
3191 case MESA_FORMAT_G16R16_UNORM
:
3194 case MESA_FORMAT_B10G10R10A2_UNORM
:
3195 return format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3198 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
3199 return format
== GL_DEPTH_STENCIL
&& type
== GL_UNSIGNED_INT_24_8
&&
3201 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
3202 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
3205 case MESA_FORMAT_Z_UNORM16
:
3206 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_SHORT
&&
3209 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
3212 case MESA_FORMAT_Z_UNORM32
:
3213 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_INT
&&
3216 case MESA_FORMAT_S_UINT8
:
3217 return format
== GL_STENCIL_INDEX
&& type
== GL_UNSIGNED_BYTE
;
3219 case MESA_FORMAT_SRGB_DXT1
:
3220 case MESA_FORMAT_SRGBA_DXT1
:
3221 case MESA_FORMAT_SRGBA_DXT3
:
3222 case MESA_FORMAT_SRGBA_DXT5
:
3225 case MESA_FORMAT_RGB_FXT1
:
3226 case MESA_FORMAT_RGBA_FXT1
:
3227 case MESA_FORMAT_RGB_DXT1
:
3228 case MESA_FORMAT_RGBA_DXT1
:
3229 case MESA_FORMAT_RGBA_DXT3
:
3230 case MESA_FORMAT_RGBA_DXT5
:
3233 case MESA_FORMAT_RGBA_FLOAT32
:
3234 return format
== GL_RGBA
&& type
== GL_FLOAT
&& !swapBytes
;
3235 case MESA_FORMAT_RGBA_FLOAT16
:
3236 return format
== GL_RGBA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3238 case MESA_FORMAT_RGB_FLOAT32
:
3239 return format
== GL_RGB
&& type
== GL_FLOAT
&& !swapBytes
;
3240 case MESA_FORMAT_RGB_FLOAT16
:
3241 return format
== GL_RGB
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3243 case MESA_FORMAT_A_FLOAT32
:
3244 return format
== GL_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3245 case MESA_FORMAT_A_FLOAT16
:
3246 return format
== GL_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3248 case MESA_FORMAT_L_FLOAT32
:
3249 return format
== GL_LUMINANCE
&& type
== GL_FLOAT
&& !swapBytes
;
3250 case MESA_FORMAT_L_FLOAT16
:
3251 return format
== GL_LUMINANCE
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3253 case MESA_FORMAT_LA_FLOAT32
:
3254 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3255 case MESA_FORMAT_LA_FLOAT16
:
3256 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3258 case MESA_FORMAT_I_FLOAT32
:
3259 return format
== GL_RED
&& type
== GL_FLOAT
&& !swapBytes
;
3260 case MESA_FORMAT_I_FLOAT16
:
3261 return format
== GL_RED
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3263 case MESA_FORMAT_R_FLOAT32
:
3264 return format
== GL_RED
&& type
== GL_FLOAT
&& !swapBytes
;
3265 case MESA_FORMAT_R_FLOAT16
:
3266 return format
== GL_RED
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3268 case MESA_FORMAT_RG_FLOAT32
:
3269 return format
== GL_RG
&& type
== GL_FLOAT
&& !swapBytes
;
3270 case MESA_FORMAT_RG_FLOAT16
:
3271 return format
== GL_RG
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3273 case MESA_FORMAT_A_UINT8
:
3274 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3275 case MESA_FORMAT_A_UINT16
:
3276 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3278 case MESA_FORMAT_A_UINT32
:
3279 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_INT
&&
3281 case MESA_FORMAT_A_SINT8
:
3282 return format
== GL_ALPHA_INTEGER
&& type
== GL_BYTE
;
3283 case MESA_FORMAT_A_SINT16
:
3284 return format
== GL_ALPHA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3285 case MESA_FORMAT_A_SINT32
:
3286 return format
== GL_ALPHA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3288 case MESA_FORMAT_I_UINT8
:
3289 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3290 case MESA_FORMAT_I_UINT16
:
3291 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3292 case MESA_FORMAT_I_UINT32
:
3293 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3294 case MESA_FORMAT_I_SINT8
:
3295 return format
== GL_RED_INTEGER
&& type
== GL_BYTE
;
3296 case MESA_FORMAT_I_SINT16
:
3297 return format
== GL_RED_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3298 case MESA_FORMAT_I_SINT32
:
3299 return format
== GL_RED_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3301 case MESA_FORMAT_L_UINT8
:
3302 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_BYTE
;
3303 case MESA_FORMAT_L_UINT16
:
3304 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_SHORT
&&
3306 case MESA_FORMAT_L_UINT32
:
3307 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_INT
&&
3309 case MESA_FORMAT_L_SINT8
:
3310 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_BYTE
;
3311 case MESA_FORMAT_L_SINT16
:
3312 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_SHORT
&&
3314 case MESA_FORMAT_L_SINT32
:
3315 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_INT
&& !swapBytes
;
3317 case MESA_FORMAT_LA_UINT8
:
3318 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3319 type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3320 case MESA_FORMAT_LA_UINT16
:
3321 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3322 type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3323 case MESA_FORMAT_LA_UINT32
:
3324 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3325 type
== GL_UNSIGNED_INT
&& !swapBytes
;
3326 case MESA_FORMAT_LA_SINT8
:
3327 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_BYTE
&&
3329 case MESA_FORMAT_LA_SINT16
:
3330 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_SHORT
&&
3332 case MESA_FORMAT_LA_SINT32
:
3333 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_INT
&&
3336 case MESA_FORMAT_R_SINT8
:
3337 return format
== GL_RED_INTEGER
&& type
== GL_BYTE
;
3338 case MESA_FORMAT_RG_SINT8
:
3339 return format
== GL_RG_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3340 case MESA_FORMAT_RGB_SINT8
:
3341 return format
== GL_RGB_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3342 case MESA_FORMAT_RGBA_SINT8
:
3343 return format
== GL_RGBA_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3344 case MESA_FORMAT_R_SINT16
:
3345 return format
== GL_RED_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3346 case MESA_FORMAT_RG_SINT16
:
3347 return format
== GL_RG_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3348 case MESA_FORMAT_RGB_SINT16
:
3349 return format
== GL_RGB_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3350 case MESA_FORMAT_RGBA_SINT16
:
3351 return format
== GL_RGBA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3352 case MESA_FORMAT_R_SINT32
:
3353 return format
== GL_RED_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3354 case MESA_FORMAT_RG_SINT32
:
3355 return format
== GL_RG_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3356 case MESA_FORMAT_RGB_SINT32
:
3357 return format
== GL_RGB_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3358 case MESA_FORMAT_RGBA_SINT32
:
3359 return format
== GL_RGBA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3361 case MESA_FORMAT_R_UINT8
:
3362 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3363 case MESA_FORMAT_RG_UINT8
:
3364 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3365 case MESA_FORMAT_RGB_UINT8
:
3366 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3367 case MESA_FORMAT_RGBA_UINT8
:
3368 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_BYTE
&&
3370 case MESA_FORMAT_R_UINT16
:
3371 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3373 case MESA_FORMAT_RG_UINT16
:
3374 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3375 case MESA_FORMAT_RGB_UINT16
:
3376 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3378 case MESA_FORMAT_RGBA_UINT16
:
3379 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3381 case MESA_FORMAT_R_UINT32
:
3382 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3383 case MESA_FORMAT_RG_UINT32
:
3384 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3385 case MESA_FORMAT_RGB_UINT32
:
3386 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3387 case MESA_FORMAT_RGBA_UINT32
:
3388 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3390 case MESA_FORMAT_DUDV8
:
3391 return (format
== GL_DU8DV8_ATI
|| format
== GL_DUDV_ATI
) &&
3392 type
== GL_BYTE
&& littleEndian
&& !swapBytes
;
3394 case MESA_FORMAT_R_SNORM8
:
3395 return format
== GL_RED
&& type
== GL_BYTE
;
3396 case MESA_FORMAT_R8G8_SNORM
:
3397 return format
== GL_RG
&& type
== GL_BYTE
&& littleEndian
&&
3399 case MESA_FORMAT_X8B8G8R8_SNORM
:
3402 case MESA_FORMAT_A8B8G8R8_SNORM
:
3403 if (format
== GL_RGBA
&& type
== GL_BYTE
&& !littleEndian
)
3406 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& littleEndian
)
3411 case MESA_FORMAT_R8G8B8A8_SNORM
:
3412 if (format
== GL_RGBA
&& type
== GL_BYTE
&& littleEndian
)
3415 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& !littleEndian
)
3420 case MESA_FORMAT_R_SNORM16
:
3421 return format
== GL_RED
&& type
== GL_SHORT
&&
3423 case MESA_FORMAT_R16G16_SNORM
:
3424 return format
== GL_RG
&& type
== GL_SHORT
&& littleEndian
&& !swapBytes
;
3425 case MESA_FORMAT_RGB_SNORM16
:
3426 return format
== GL_RGB
&& type
== GL_SHORT
&& !swapBytes
;
3427 case MESA_FORMAT_RGBA_SNORM16
:
3428 return format
== GL_RGBA
&& type
== GL_SHORT
&& !swapBytes
;
3429 case MESA_FORMAT_RGBA_UNORM16
:
3430 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT
&&
3433 case MESA_FORMAT_R_RGTC1_UNORM
:
3434 case MESA_FORMAT_R_RGTC1_SNORM
:
3435 case MESA_FORMAT_RG_RGTC2_UNORM
:
3436 case MESA_FORMAT_RG_RGTC2_SNORM
:
3439 case MESA_FORMAT_L_LATC1_UNORM
:
3440 case MESA_FORMAT_L_LATC1_SNORM
:
3441 case MESA_FORMAT_LA_LATC2_UNORM
:
3442 case MESA_FORMAT_LA_LATC2_SNORM
:
3445 case MESA_FORMAT_ETC1_RGB8
:
3446 case MESA_FORMAT_ETC2_RGB8
:
3447 case MESA_FORMAT_ETC2_SRGB8
:
3448 case MESA_FORMAT_ETC2_RGBA8_EAC
:
3449 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
3450 case MESA_FORMAT_ETC2_R11_EAC
:
3451 case MESA_FORMAT_ETC2_RG11_EAC
:
3452 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
3453 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
3454 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
3455 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
3458 case MESA_FORMAT_A_SNORM8
:
3459 return format
== GL_ALPHA
&& type
== GL_BYTE
;
3460 case MESA_FORMAT_L_SNORM8
:
3461 return format
== GL_LUMINANCE
&& type
== GL_BYTE
;
3462 case MESA_FORMAT_L8A8_SNORM
:
3463 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_BYTE
&&
3464 littleEndian
&& !swapBytes
;
3465 case MESA_FORMAT_I_SNORM8
:
3466 return format
== GL_RED
&& type
== GL_BYTE
;
3467 case MESA_FORMAT_A_SNORM16
:
3468 return format
== GL_ALPHA
&& type
== GL_SHORT
&& !swapBytes
;
3469 case MESA_FORMAT_L_SNORM16
:
3470 return format
== GL_LUMINANCE
&& type
== GL_SHORT
&& !swapBytes
;
3471 case MESA_FORMAT_LA_SNORM16
:
3472 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_SHORT
&&
3473 littleEndian
&& !swapBytes
;
3474 case MESA_FORMAT_I_SNORM16
:
3475 return format
== GL_RED
&& type
== GL_SHORT
&& littleEndian
&&
3478 case MESA_FORMAT_B10G10R10A2_UINT
:
3479 return (format
== GL_BGRA_INTEGER_EXT
&&
3480 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3483 case MESA_FORMAT_R10G10B10A2_UINT
:
3484 return (format
== GL_RGBA_INTEGER_EXT
&&
3485 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3488 case MESA_FORMAT_R9G9B9E5_FLOAT
:
3489 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_5_9_9_9_REV
&&
3492 case MESA_FORMAT_R11G11B10_FLOAT
:
3493 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_10F_11F_11F_REV
&&
3496 case MESA_FORMAT_Z_FLOAT32
:
3497 return format
== GL_DEPTH_COMPONENT
&& type
== GL_FLOAT
&& !swapBytes
;
3499 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
3500 return format
== GL_DEPTH_STENCIL
&&
3501 type
== GL_FLOAT_32_UNSIGNED_INT_24_8_REV
&& !swapBytes
;
3503 case MESA_FORMAT_B4G4R4X4_UNORM
:
3504 case MESA_FORMAT_B5G5R5X1_UNORM
:
3505 case MESA_FORMAT_R8G8B8X8_SNORM
:
3506 case MESA_FORMAT_R8G8B8X8_SRGB
:
3507 case MESA_FORMAT_RGBX_UINT8
:
3508 case MESA_FORMAT_RGBX_SINT8
:
3509 case MESA_FORMAT_B10G10R10X2_UNORM
:
3510 case MESA_FORMAT_RGBX_UNORM16
:
3511 case MESA_FORMAT_RGBX_SNORM16
:
3512 case MESA_FORMAT_RGBX_FLOAT16
:
3513 case MESA_FORMAT_RGBX_UINT16
:
3514 case MESA_FORMAT_RGBX_SINT16
:
3515 case MESA_FORMAT_RGBX_FLOAT32
:
3516 case MESA_FORMAT_RGBX_UINT32
:
3517 case MESA_FORMAT_RGBX_SINT32
:
3520 case MESA_FORMAT_R10G10B10A2_UNORM
:
3521 return format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3524 case MESA_FORMAT_G8R8_SNORM
:
3525 return format
== GL_RG
&& type
== GL_BYTE
&& !littleEndian
&&
3528 case MESA_FORMAT_G16R16_SNORM
:
3529 return format
== GL_RG
&& type
== GL_SHORT
&& !littleEndian
&&
3532 case MESA_FORMAT_B8G8R8X8_SRGB
: