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
);
2040 * Return color encoding for given format.
2041 * \return GL_LINEAR or GL_SRGB
2044 _mesa_get_format_color_encoding(mesa_format format
)
2046 /* XXX this info should be encoded in gl_format_info */
2048 case MESA_FORMAT_BGR_SRGB8
:
2049 case MESA_FORMAT_A8B8G8R8_SRGB
:
2050 case MESA_FORMAT_B8G8R8A8_SRGB
:
2051 case MESA_FORMAT_R8G8B8A8_SRGB
:
2052 case MESA_FORMAT_L_SRGB8
:
2053 case MESA_FORMAT_L8A8_SRGB
:
2054 case MESA_FORMAT_SRGB_DXT1
:
2055 case MESA_FORMAT_SRGBA_DXT1
:
2056 case MESA_FORMAT_SRGBA_DXT3
:
2057 case MESA_FORMAT_SRGBA_DXT5
:
2058 case MESA_FORMAT_R8G8B8X8_SRGB
:
2059 case MESA_FORMAT_ETC2_SRGB8
:
2060 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2061 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2062 case MESA_FORMAT_B8G8R8X8_SRGB
:
2071 * For an sRGB format, return the corresponding linear color space format.
2072 * For non-sRGB formats, return the format as-is.
2075 _mesa_get_srgb_format_linear(mesa_format format
)
2078 case MESA_FORMAT_BGR_SRGB8
:
2079 format
= MESA_FORMAT_BGR_UNORM8
;
2081 case MESA_FORMAT_A8B8G8R8_SRGB
:
2082 format
= MESA_FORMAT_A8B8G8R8_UNORM
;
2084 case MESA_FORMAT_B8G8R8A8_SRGB
:
2085 format
= MESA_FORMAT_B8G8R8A8_UNORM
;
2087 case MESA_FORMAT_R8G8B8A8_SRGB
:
2088 format
= MESA_FORMAT_R8G8B8A8_UNORM
;
2090 case MESA_FORMAT_L_SRGB8
:
2091 format
= MESA_FORMAT_L_UNORM8
;
2093 case MESA_FORMAT_L8A8_SRGB
:
2094 format
= MESA_FORMAT_L8A8_UNORM
;
2096 case MESA_FORMAT_SRGB_DXT1
:
2097 format
= MESA_FORMAT_RGB_DXT1
;
2099 case MESA_FORMAT_SRGBA_DXT1
:
2100 format
= MESA_FORMAT_RGBA_DXT1
;
2102 case MESA_FORMAT_SRGBA_DXT3
:
2103 format
= MESA_FORMAT_RGBA_DXT3
;
2105 case MESA_FORMAT_SRGBA_DXT5
:
2106 format
= MESA_FORMAT_RGBA_DXT5
;
2108 case MESA_FORMAT_R8G8B8X8_SRGB
:
2109 format
= MESA_FORMAT_R8G8B8X8_UNORM
;
2111 case MESA_FORMAT_ETC2_SRGB8
:
2112 format
= MESA_FORMAT_ETC2_RGB8
;
2114 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2115 format
= MESA_FORMAT_ETC2_RGBA8_EAC
;
2117 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2118 format
= MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
2120 case MESA_FORMAT_B8G8R8X8_SRGB
:
2121 format
= MESA_FORMAT_B8G8R8X8_UNORM
;
2131 * If the given format is a compressed format, return a corresponding
2132 * uncompressed format.
2135 _mesa_get_uncompressed_format(mesa_format format
)
2138 case MESA_FORMAT_RGB_FXT1
:
2139 return MESA_FORMAT_BGR_UNORM8
;
2140 case MESA_FORMAT_RGBA_FXT1
:
2141 return MESA_FORMAT_A8B8G8R8_UNORM
;
2142 case MESA_FORMAT_RGB_DXT1
:
2143 case MESA_FORMAT_SRGB_DXT1
:
2144 return MESA_FORMAT_BGR_UNORM8
;
2145 case MESA_FORMAT_RGBA_DXT1
:
2146 case MESA_FORMAT_SRGBA_DXT1
:
2147 return MESA_FORMAT_A8B8G8R8_UNORM
;
2148 case MESA_FORMAT_RGBA_DXT3
:
2149 case MESA_FORMAT_SRGBA_DXT3
:
2150 return MESA_FORMAT_A8B8G8R8_UNORM
;
2151 case MESA_FORMAT_RGBA_DXT5
:
2152 case MESA_FORMAT_SRGBA_DXT5
:
2153 return MESA_FORMAT_A8B8G8R8_UNORM
;
2154 case MESA_FORMAT_R_RGTC1_UNORM
:
2155 return MESA_FORMAT_R_UNORM8
;
2156 case MESA_FORMAT_R_RGTC1_SNORM
:
2157 return MESA_FORMAT_R_SNORM8
;
2158 case MESA_FORMAT_RG_RGTC2_UNORM
:
2159 return MESA_FORMAT_R8G8_UNORM
;
2160 case MESA_FORMAT_RG_RGTC2_SNORM
:
2161 return MESA_FORMAT_R8G8_SNORM
;
2162 case MESA_FORMAT_L_LATC1_UNORM
:
2163 return MESA_FORMAT_L_UNORM8
;
2164 case MESA_FORMAT_L_LATC1_SNORM
:
2165 return MESA_FORMAT_L_SNORM8
;
2166 case MESA_FORMAT_LA_LATC2_UNORM
:
2167 return MESA_FORMAT_L8A8_UNORM
;
2168 case MESA_FORMAT_LA_LATC2_SNORM
:
2169 return MESA_FORMAT_L8A8_SNORM
;
2170 case MESA_FORMAT_ETC1_RGB8
:
2171 case MESA_FORMAT_ETC2_RGB8
:
2172 case MESA_FORMAT_ETC2_SRGB8
:
2173 return MESA_FORMAT_BGR_UNORM8
;
2174 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2175 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2176 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2177 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2178 return MESA_FORMAT_A8B8G8R8_UNORM
;
2179 case MESA_FORMAT_ETC2_R11_EAC
:
2180 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2181 return MESA_FORMAT_R_UNORM16
;
2182 case MESA_FORMAT_ETC2_RG11_EAC
:
2183 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2184 return MESA_FORMAT_R16G16_UNORM
;
2187 assert(!_mesa_is_format_compressed(format
));
2195 _mesa_format_num_components(mesa_format format
)
2197 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2198 return ((info
->RedBits
> 0) +
2199 (info
->GreenBits
> 0) +
2200 (info
->BlueBits
> 0) +
2201 (info
->AlphaBits
> 0) +
2202 (info
->LuminanceBits
> 0) +
2203 (info
->IntensityBits
> 0) +
2204 (info
->DepthBits
> 0) +
2205 (info
->StencilBits
> 0));
2210 * Return number of bytes needed to store an image of the given size
2211 * in the given format.
2214 _mesa_format_image_size(mesa_format format
, GLsizei width
,
2215 GLsizei height
, GLsizei depth
)
2217 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2218 /* Strictly speaking, a conditional isn't needed here */
2219 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2220 /* compressed format (2D only for now) */
2221 const GLuint bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2222 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2223 const GLuint hblocks
= (height
+ bh
- 1) / bh
;
2224 const GLuint sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2228 /* non-compressed */
2229 const GLuint sz
= width
* height
* depth
* info
->BytesPerBlock
;
2236 * Same as _mesa_format_image_size() but returns a 64-bit value to
2237 * accomodate very large textures.
2240 _mesa_format_image_size64(mesa_format format
, GLsizei width
,
2241 GLsizei height
, GLsizei depth
)
2243 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2244 /* Strictly speaking, a conditional isn't needed here */
2245 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2246 /* compressed format (2D only for now) */
2247 const uint64_t bw
= info
->BlockWidth
, bh
= info
->BlockHeight
;
2248 const uint64_t wblocks
= (width
+ bw
- 1) / bw
;
2249 const uint64_t hblocks
= (height
+ bh
- 1) / bh
;
2250 const uint64_t sz
= wblocks
* hblocks
* info
->BytesPerBlock
;
2254 /* non-compressed */
2255 const uint64_t sz
= ((uint64_t) width
*
2258 info
->BytesPerBlock
);
2266 _mesa_format_row_stride(mesa_format format
, GLsizei width
)
2268 const struct gl_format_info
*info
= _mesa_get_format_info(format
);
2269 /* Strictly speaking, a conditional isn't needed here */
2270 if (info
->BlockWidth
> 1 || info
->BlockHeight
> 1) {
2271 /* compressed format */
2272 const GLuint bw
= info
->BlockWidth
;
2273 const GLuint wblocks
= (width
+ bw
- 1) / bw
;
2274 const GLint stride
= wblocks
* info
->BytesPerBlock
;
2278 const GLint stride
= width
* info
->BytesPerBlock
;
2285 * Debug/test: check that all formats are handled in the
2286 * _mesa_format_to_type_and_comps() function. When new pixel formats
2287 * are added to Mesa, that function needs to be updated.
2288 * This is a no-op after the first call.
2291 check_format_to_type_and_comps(void)
2295 for (f
= MESA_FORMAT_NONE
+ 1; f
< MESA_FORMAT_COUNT
; f
++) {
2296 GLenum datatype
= 0;
2298 /* This function will emit a problem/warning if the format is
2301 _mesa_format_to_type_and_comps(f
, &datatype
, &comps
);
2307 * Do sanity checking of the format info table.
2310 _mesa_test_formats(void)
2314 STATIC_ASSERT(Elements(format_info
) == MESA_FORMAT_COUNT
);
2316 for (i
= 0; i
< MESA_FORMAT_COUNT
; i
++) {
2317 const struct gl_format_info
*info
= _mesa_get_format_info(i
);
2320 assert(info
->Name
== i
);
2322 if (info
->Name
== MESA_FORMAT_NONE
)
2325 if (info
->BlockWidth
== 1 && info
->BlockHeight
== 1) {
2326 if (info
->RedBits
> 0) {
2327 GLuint t
= info
->RedBits
+ info
->GreenBits
2328 + info
->BlueBits
+ info
->AlphaBits
;
2329 assert(t
/ 8 <= info
->BytesPerBlock
);
2334 assert(info
->DataType
== GL_UNSIGNED_NORMALIZED
||
2335 info
->DataType
== GL_SIGNED_NORMALIZED
||
2336 info
->DataType
== GL_UNSIGNED_INT
||
2337 info
->DataType
== GL_INT
||
2338 info
->DataType
== GL_FLOAT
||
2339 /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
2340 info
->DataType
== GL_NONE
);
2342 if (info
->BaseFormat
== GL_RGB
) {
2343 assert(info
->RedBits
> 0);
2344 assert(info
->GreenBits
> 0);
2345 assert(info
->BlueBits
> 0);
2346 assert(info
->AlphaBits
== 0);
2347 assert(info
->LuminanceBits
== 0);
2348 assert(info
->IntensityBits
== 0);
2350 else if (info
->BaseFormat
== GL_RGBA
) {
2351 assert(info
->RedBits
> 0);
2352 assert(info
->GreenBits
> 0);
2353 assert(info
->BlueBits
> 0);
2354 assert(info
->AlphaBits
> 0);
2355 assert(info
->LuminanceBits
== 0);
2356 assert(info
->IntensityBits
== 0);
2358 else if (info
->BaseFormat
== GL_RG
) {
2359 assert(info
->RedBits
> 0);
2360 assert(info
->GreenBits
> 0);
2361 assert(info
->BlueBits
== 0);
2362 assert(info
->AlphaBits
== 0);
2363 assert(info
->LuminanceBits
== 0);
2364 assert(info
->IntensityBits
== 0);
2366 else if (info
->BaseFormat
== GL_RED
) {
2367 assert(info
->RedBits
> 0);
2368 assert(info
->GreenBits
== 0);
2369 assert(info
->BlueBits
== 0);
2370 assert(info
->AlphaBits
== 0);
2371 assert(info
->LuminanceBits
== 0);
2372 assert(info
->IntensityBits
== 0);
2374 else if (info
->BaseFormat
== GL_LUMINANCE
) {
2375 assert(info
->RedBits
== 0);
2376 assert(info
->GreenBits
== 0);
2377 assert(info
->BlueBits
== 0);
2378 assert(info
->AlphaBits
== 0);
2379 assert(info
->LuminanceBits
> 0);
2380 assert(info
->IntensityBits
== 0);
2382 else if (info
->BaseFormat
== GL_INTENSITY
) {
2383 assert(info
->RedBits
== 0);
2384 assert(info
->GreenBits
== 0);
2385 assert(info
->BlueBits
== 0);
2386 assert(info
->AlphaBits
== 0);
2387 assert(info
->LuminanceBits
== 0);
2388 assert(info
->IntensityBits
> 0);
2392 check_format_to_type_and_comps();
2398 * Return datatype and number of components per texel for the given mesa_format.
2399 * Only used for mipmap generation code.
2402 _mesa_format_to_type_and_comps(mesa_format format
,
2403 GLenum
*datatype
, GLuint
*comps
)
2406 case MESA_FORMAT_A8B8G8R8_UNORM
:
2407 case MESA_FORMAT_R8G8B8A8_UNORM
:
2408 case MESA_FORMAT_B8G8R8A8_UNORM
:
2409 case MESA_FORMAT_A8R8G8B8_UNORM
:
2410 case MESA_FORMAT_X8B8G8R8_UNORM
:
2411 case MESA_FORMAT_R8G8B8X8_UNORM
:
2412 case MESA_FORMAT_B8G8R8X8_UNORM
:
2413 case MESA_FORMAT_X8R8G8B8_UNORM
:
2414 *datatype
= GL_UNSIGNED_BYTE
;
2417 case MESA_FORMAT_BGR_UNORM8
:
2418 case MESA_FORMAT_RGB_UNORM8
:
2419 *datatype
= GL_UNSIGNED_BYTE
;
2422 case MESA_FORMAT_B5G6R5_UNORM
:
2423 case MESA_FORMAT_R5G6B5_UNORM
:
2424 *datatype
= GL_UNSIGNED_SHORT_5_6_5
;
2428 case MESA_FORMAT_B4G4R4A4_UNORM
:
2429 case MESA_FORMAT_A4R4G4B4_UNORM
:
2430 case MESA_FORMAT_B4G4R4X4_UNORM
:
2431 *datatype
= GL_UNSIGNED_SHORT_4_4_4_4
;
2435 case MESA_FORMAT_B5G5R5A1_UNORM
:
2436 case MESA_FORMAT_A1R5G5B5_UNORM
:
2437 case MESA_FORMAT_B5G5R5X1_UNORM
:
2438 *datatype
= GL_UNSIGNED_SHORT_1_5_5_5_REV
;
2442 case MESA_FORMAT_B10G10R10A2_UNORM
:
2443 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2447 case MESA_FORMAT_A1B5G5R5_UNORM
:
2448 *datatype
= GL_UNSIGNED_SHORT_5_5_5_1
;
2452 case MESA_FORMAT_L4A4_UNORM
:
2453 *datatype
= MESA_UNSIGNED_BYTE_4_4
;
2457 case MESA_FORMAT_L8A8_UNORM
:
2458 case MESA_FORMAT_A8L8_UNORM
:
2459 case MESA_FORMAT_R8G8_UNORM
:
2460 case MESA_FORMAT_G8R8_UNORM
:
2461 *datatype
= GL_UNSIGNED_BYTE
;
2465 case MESA_FORMAT_L16A16_UNORM
:
2466 case MESA_FORMAT_A16L16_UNORM
:
2467 case MESA_FORMAT_R16G16_UNORM
:
2468 case MESA_FORMAT_G16R16_UNORM
:
2469 *datatype
= GL_UNSIGNED_SHORT
;
2473 case MESA_FORMAT_R_UNORM16
:
2474 case MESA_FORMAT_A_UNORM16
:
2475 case MESA_FORMAT_L_UNORM16
:
2476 case MESA_FORMAT_I_UNORM16
:
2477 *datatype
= GL_UNSIGNED_SHORT
;
2481 case MESA_FORMAT_B2G3R3_UNORM
:
2482 *datatype
= GL_UNSIGNED_BYTE_3_3_2
;
2486 case MESA_FORMAT_A_UNORM8
:
2487 case MESA_FORMAT_L_UNORM8
:
2488 case MESA_FORMAT_I_UNORM8
:
2489 case MESA_FORMAT_R_UNORM8
:
2490 case MESA_FORMAT_S_UINT8
:
2491 *datatype
= GL_UNSIGNED_BYTE
;
2495 case MESA_FORMAT_YCBCR
:
2496 case MESA_FORMAT_YCBCR_REV
:
2497 *datatype
= GL_UNSIGNED_SHORT
;
2501 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2502 *datatype
= GL_UNSIGNED_INT_24_8_MESA
;
2506 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2507 *datatype
= GL_UNSIGNED_INT_8_24_REV_MESA
;
2511 case MESA_FORMAT_Z_UNORM16
:
2512 *datatype
= GL_UNSIGNED_SHORT
;
2516 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2517 *datatype
= GL_UNSIGNED_INT
;
2521 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2522 *datatype
= GL_UNSIGNED_INT
;
2526 case MESA_FORMAT_Z_UNORM32
:
2527 *datatype
= GL_UNSIGNED_INT
;
2531 case MESA_FORMAT_Z_FLOAT32
:
2532 *datatype
= GL_FLOAT
;
2536 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2537 *datatype
= GL_FLOAT_32_UNSIGNED_INT_24_8_REV
;
2541 case MESA_FORMAT_DUDV8
:
2542 *datatype
= GL_BYTE
;
2546 case MESA_FORMAT_R_SNORM8
:
2547 case MESA_FORMAT_A_SNORM8
:
2548 case MESA_FORMAT_L_SNORM8
:
2549 case MESA_FORMAT_I_SNORM8
:
2550 *datatype
= GL_BYTE
;
2553 case MESA_FORMAT_R8G8_SNORM
:
2554 case MESA_FORMAT_L8A8_SNORM
:
2555 *datatype
= GL_BYTE
;
2558 case MESA_FORMAT_A8B8G8R8_SNORM
:
2559 case MESA_FORMAT_R8G8B8A8_SNORM
:
2560 case MESA_FORMAT_X8B8G8R8_SNORM
:
2561 *datatype
= GL_BYTE
;
2565 case MESA_FORMAT_RGBA_UNORM16
:
2566 *datatype
= GL_UNSIGNED_SHORT
;
2570 case MESA_FORMAT_R_SNORM16
:
2571 case MESA_FORMAT_A_SNORM16
:
2572 case MESA_FORMAT_L_SNORM16
:
2573 case MESA_FORMAT_I_SNORM16
:
2574 *datatype
= GL_SHORT
;
2577 case MESA_FORMAT_R16G16_SNORM
:
2578 case MESA_FORMAT_LA_SNORM16
:
2579 *datatype
= GL_SHORT
;
2582 case MESA_FORMAT_RGB_SNORM16
:
2583 *datatype
= GL_SHORT
;
2586 case MESA_FORMAT_RGBA_SNORM16
:
2587 *datatype
= GL_SHORT
;
2591 case MESA_FORMAT_BGR_SRGB8
:
2592 *datatype
= GL_UNSIGNED_BYTE
;
2595 case MESA_FORMAT_A8B8G8R8_SRGB
:
2596 case MESA_FORMAT_B8G8R8A8_SRGB
:
2597 case MESA_FORMAT_R8G8B8A8_SRGB
:
2598 *datatype
= GL_UNSIGNED_BYTE
;
2601 case MESA_FORMAT_L_SRGB8
:
2602 *datatype
= GL_UNSIGNED_BYTE
;
2605 case MESA_FORMAT_L8A8_SRGB
:
2606 *datatype
= GL_UNSIGNED_BYTE
;
2610 case MESA_FORMAT_RGB_FXT1
:
2611 case MESA_FORMAT_RGBA_FXT1
:
2612 case MESA_FORMAT_RGB_DXT1
:
2613 case MESA_FORMAT_RGBA_DXT1
:
2614 case MESA_FORMAT_RGBA_DXT3
:
2615 case MESA_FORMAT_RGBA_DXT5
:
2616 case MESA_FORMAT_SRGB_DXT1
:
2617 case MESA_FORMAT_SRGBA_DXT1
:
2618 case MESA_FORMAT_SRGBA_DXT3
:
2619 case MESA_FORMAT_SRGBA_DXT5
:
2620 case MESA_FORMAT_R_RGTC1_UNORM
:
2621 case MESA_FORMAT_R_RGTC1_SNORM
:
2622 case MESA_FORMAT_RG_RGTC2_UNORM
:
2623 case MESA_FORMAT_RG_RGTC2_SNORM
:
2624 case MESA_FORMAT_L_LATC1_UNORM
:
2625 case MESA_FORMAT_L_LATC1_SNORM
:
2626 case MESA_FORMAT_LA_LATC2_UNORM
:
2627 case MESA_FORMAT_LA_LATC2_SNORM
:
2628 case MESA_FORMAT_ETC1_RGB8
:
2629 case MESA_FORMAT_ETC2_RGB8
:
2630 case MESA_FORMAT_ETC2_SRGB8
:
2631 case MESA_FORMAT_ETC2_RGBA8_EAC
:
2632 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
2633 case MESA_FORMAT_ETC2_R11_EAC
:
2634 case MESA_FORMAT_ETC2_RG11_EAC
:
2635 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
2636 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
2637 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
2638 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
2639 /* XXX generate error instead? */
2640 *datatype
= GL_UNSIGNED_BYTE
;
2644 case MESA_FORMAT_RGBA_FLOAT32
:
2645 *datatype
= GL_FLOAT
;
2648 case MESA_FORMAT_RGBA_FLOAT16
:
2649 *datatype
= GL_HALF_FLOAT_ARB
;
2652 case MESA_FORMAT_RGB_FLOAT32
:
2653 *datatype
= GL_FLOAT
;
2656 case MESA_FORMAT_RGB_FLOAT16
:
2657 *datatype
= GL_HALF_FLOAT_ARB
;
2660 case MESA_FORMAT_LA_FLOAT32
:
2661 case MESA_FORMAT_RG_FLOAT32
:
2662 *datatype
= GL_FLOAT
;
2665 case MESA_FORMAT_LA_FLOAT16
:
2666 case MESA_FORMAT_RG_FLOAT16
:
2667 *datatype
= GL_HALF_FLOAT_ARB
;
2670 case MESA_FORMAT_A_FLOAT32
:
2671 case MESA_FORMAT_L_FLOAT32
:
2672 case MESA_FORMAT_I_FLOAT32
:
2673 case MESA_FORMAT_R_FLOAT32
:
2674 *datatype
= GL_FLOAT
;
2677 case MESA_FORMAT_A_FLOAT16
:
2678 case MESA_FORMAT_L_FLOAT16
:
2679 case MESA_FORMAT_I_FLOAT16
:
2680 case MESA_FORMAT_R_FLOAT16
:
2681 *datatype
= GL_HALF_FLOAT_ARB
;
2685 case MESA_FORMAT_A_UINT8
:
2686 case MESA_FORMAT_L_UINT8
:
2687 case MESA_FORMAT_I_UINT8
:
2688 *datatype
= GL_UNSIGNED_BYTE
;
2691 case MESA_FORMAT_LA_UINT8
:
2692 *datatype
= GL_UNSIGNED_BYTE
;
2696 case MESA_FORMAT_A_UINT16
:
2697 case MESA_FORMAT_L_UINT16
:
2698 case MESA_FORMAT_I_UINT16
:
2699 *datatype
= GL_UNSIGNED_SHORT
;
2702 case MESA_FORMAT_LA_UINT16
:
2703 *datatype
= GL_UNSIGNED_SHORT
;
2706 case MESA_FORMAT_A_UINT32
:
2707 case MESA_FORMAT_L_UINT32
:
2708 case MESA_FORMAT_I_UINT32
:
2709 *datatype
= GL_UNSIGNED_INT
;
2712 case MESA_FORMAT_LA_UINT32
:
2713 *datatype
= GL_UNSIGNED_INT
;
2716 case MESA_FORMAT_A_SINT8
:
2717 case MESA_FORMAT_L_SINT8
:
2718 case MESA_FORMAT_I_SINT8
:
2719 *datatype
= GL_BYTE
;
2722 case MESA_FORMAT_LA_SINT8
:
2723 *datatype
= GL_BYTE
;
2727 case MESA_FORMAT_A_SINT16
:
2728 case MESA_FORMAT_L_SINT16
:
2729 case MESA_FORMAT_I_SINT16
:
2730 *datatype
= GL_SHORT
;
2733 case MESA_FORMAT_LA_SINT16
:
2734 *datatype
= GL_SHORT
;
2738 case MESA_FORMAT_A_SINT32
:
2739 case MESA_FORMAT_L_SINT32
:
2740 case MESA_FORMAT_I_SINT32
:
2744 case MESA_FORMAT_LA_SINT32
:
2749 case MESA_FORMAT_R_SINT8
:
2750 *datatype
= GL_BYTE
;
2753 case MESA_FORMAT_RG_SINT8
:
2754 *datatype
= GL_BYTE
;
2757 case MESA_FORMAT_RGB_SINT8
:
2758 *datatype
= GL_BYTE
;
2761 case MESA_FORMAT_RGBA_SINT8
:
2762 *datatype
= GL_BYTE
;
2765 case MESA_FORMAT_R_SINT16
:
2766 *datatype
= GL_SHORT
;
2769 case MESA_FORMAT_RG_SINT16
:
2770 *datatype
= GL_SHORT
;
2773 case MESA_FORMAT_RGB_SINT16
:
2774 *datatype
= GL_SHORT
;
2777 case MESA_FORMAT_RGBA_SINT16
:
2778 *datatype
= GL_SHORT
;
2781 case MESA_FORMAT_R_SINT32
:
2785 case MESA_FORMAT_RG_SINT32
:
2789 case MESA_FORMAT_RGB_SINT32
:
2793 case MESA_FORMAT_RGBA_SINT32
:
2799 * \name Non-normalized unsigned integer formats.
2801 case MESA_FORMAT_R_UINT8
:
2802 *datatype
= GL_UNSIGNED_BYTE
;
2805 case MESA_FORMAT_RG_UINT8
:
2806 *datatype
= GL_UNSIGNED_BYTE
;
2809 case MESA_FORMAT_RGB_UINT8
:
2810 *datatype
= GL_UNSIGNED_BYTE
;
2813 case MESA_FORMAT_RGBA_UINT8
:
2814 *datatype
= GL_UNSIGNED_BYTE
;
2817 case MESA_FORMAT_R_UINT16
:
2818 *datatype
= GL_UNSIGNED_SHORT
;
2821 case MESA_FORMAT_RG_UINT16
:
2822 *datatype
= GL_UNSIGNED_SHORT
;
2825 case MESA_FORMAT_RGB_UINT16
:
2826 *datatype
= GL_UNSIGNED_SHORT
;
2829 case MESA_FORMAT_RGBA_UINT16
:
2830 *datatype
= GL_UNSIGNED_SHORT
;
2833 case MESA_FORMAT_R_UINT32
:
2834 *datatype
= GL_UNSIGNED_INT
;
2837 case MESA_FORMAT_RG_UINT32
:
2838 *datatype
= GL_UNSIGNED_INT
;
2841 case MESA_FORMAT_RGB_UINT32
:
2842 *datatype
= GL_UNSIGNED_INT
;
2845 case MESA_FORMAT_RGBA_UINT32
:
2846 *datatype
= GL_UNSIGNED_INT
;
2850 case MESA_FORMAT_R9G9B9E5_FLOAT
:
2851 *datatype
= GL_UNSIGNED_INT_5_9_9_9_REV
;
2855 case MESA_FORMAT_R11G11B10_FLOAT
:
2856 *datatype
= GL_UNSIGNED_INT_10F_11F_11F_REV
;
2860 case MESA_FORMAT_B10G10R10A2_UINT
:
2861 case MESA_FORMAT_R10G10B10A2_UINT
:
2862 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2866 case MESA_FORMAT_R8G8B8X8_SRGB
:
2867 case MESA_FORMAT_RGBX_UINT8
:
2868 *datatype
= GL_UNSIGNED_BYTE
;
2872 case MESA_FORMAT_R8G8B8X8_SNORM
:
2873 case MESA_FORMAT_RGBX_SINT8
:
2874 *datatype
= GL_BYTE
;
2878 case MESA_FORMAT_B10G10R10X2_UNORM
:
2879 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2883 case MESA_FORMAT_RGBX_UNORM16
:
2884 case MESA_FORMAT_RGBX_UINT16
:
2885 *datatype
= GL_UNSIGNED_SHORT
;
2889 case MESA_FORMAT_RGBX_SNORM16
:
2890 case MESA_FORMAT_RGBX_SINT16
:
2891 *datatype
= GL_SHORT
;
2895 case MESA_FORMAT_RGBX_FLOAT16
:
2896 *datatype
= GL_HALF_FLOAT
;
2900 case MESA_FORMAT_RGBX_FLOAT32
:
2901 *datatype
= GL_FLOAT
;
2905 case MESA_FORMAT_RGBX_UINT32
:
2906 *datatype
= GL_UNSIGNED_INT
;
2910 case MESA_FORMAT_RGBX_SINT32
:
2915 case MESA_FORMAT_R10G10B10A2_UNORM
:
2916 *datatype
= GL_UNSIGNED_INT_2_10_10_10_REV
;
2920 case MESA_FORMAT_G8R8_SNORM
:
2921 *datatype
= GL_BYTE
;
2925 case MESA_FORMAT_G16R16_SNORM
:
2926 *datatype
= GL_SHORT
;
2930 case MESA_FORMAT_B8G8R8X8_SRGB
:
2931 *datatype
= GL_UNSIGNED_BYTE
;
2935 case MESA_FORMAT_COUNT
:
2939 case MESA_FORMAT_NONE
:
2940 /* For debug builds, warn if any formats are not handled */
2944 _mesa_problem(NULL
, "bad format %s in _mesa_format_to_type_and_comps",
2945 _mesa_get_format_name(format
));
2952 * Check if a mesa_format exactly matches a GL format/type combination
2953 * such that we can use memcpy() from one to the other.
2954 * \param mesa_format a MESA_FORMAT_x value
2955 * \param format the user-specified image format
2956 * \param type the user-specified image datatype
2957 * \param swapBytes typically the current pixel pack/unpack byteswap state
2958 * \return GL_TRUE if the formats match, GL_FALSE otherwise.
2961 _mesa_format_matches_format_and_type(mesa_format mesa_format
,
2962 GLenum format
, GLenum type
,
2963 GLboolean swapBytes
)
2965 const GLboolean littleEndian
= _mesa_little_endian();
2967 /* Note: When reading a GL format/type combination, the format lists channel
2968 * assignments from most significant channel in the type to least
2969 * significant. A type with _REV indicates that the assignments are
2970 * swapped, so they are listed from least significant to most significant.
2972 * For sanity, please keep this switch statement ordered the same as the
2973 * enums in formats.h.
2976 switch (mesa_format
) {
2978 case MESA_FORMAT_NONE
:
2979 case MESA_FORMAT_COUNT
:
2982 case MESA_FORMAT_A8B8G8R8_UNORM
:
2983 case MESA_FORMAT_A8B8G8R8_SRGB
:
2984 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
2987 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&& swapBytes
)
2990 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
2993 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
2997 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
3001 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3006 case MESA_FORMAT_R8G8B8A8_UNORM
:
3007 case MESA_FORMAT_R8G8B8A8_SRGB
:
3008 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3012 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
3015 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3018 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8
&&
3022 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3026 if (format
== GL_ABGR_EXT
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3031 case MESA_FORMAT_B8G8R8A8_UNORM
:
3032 case MESA_FORMAT_B8G8R8A8_SRGB
:
3033 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3037 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& swapBytes
)
3040 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
)
3045 case MESA_FORMAT_A8R8G8B8_UNORM
:
3046 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8
&& !swapBytes
)
3049 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_8_8_8_8_REV
&&
3053 if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
&& !littleEndian
)
3058 case MESA_FORMAT_X8B8G8R8_UNORM
:
3059 case MESA_FORMAT_R8G8B8X8_UNORM
:
3062 case MESA_FORMAT_B8G8R8X8_UNORM
:
3063 case MESA_FORMAT_X8R8G8B8_UNORM
:
3066 case MESA_FORMAT_BGR_UNORM8
:
3067 case MESA_FORMAT_BGR_SRGB8
:
3068 return format
== GL_BGR
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3070 case MESA_FORMAT_RGB_UNORM8
:
3071 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3073 case MESA_FORMAT_B5G6R5_UNORM
:
3074 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
&& !swapBytes
;
3076 case MESA_FORMAT_R5G6B5_UNORM
:
3077 /* Some of the 16-bit MESA_FORMATs that would seem to correspond to
3078 * GL_UNSIGNED_SHORT_* are byte-swapped instead of channel-reversed,
3079 * according to formats.h, so they can't be matched.
3083 case MESA_FORMAT_B4G4R4A4_UNORM
:
3084 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_4_4_4_4_REV
&&
3087 case MESA_FORMAT_A4R4G4B4_UNORM
:
3090 case MESA_FORMAT_A1B5G5R5_UNORM
:
3091 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT_5_5_5_1
&&
3094 case MESA_FORMAT_B5G5R5A1_UNORM
:
3095 return format
== GL_BGRA
&& type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
&&
3098 case MESA_FORMAT_A1R5G5B5_UNORM
:
3101 case MESA_FORMAT_L4A4_UNORM
:
3103 case MESA_FORMAT_L8A8_UNORM
:
3104 case MESA_FORMAT_L8A8_SRGB
:
3105 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3106 case MESA_FORMAT_A8L8_UNORM
:
3109 case MESA_FORMAT_L16A16_UNORM
:
3110 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&& !swapBytes
;
3111 case MESA_FORMAT_A16L16_UNORM
:
3114 case MESA_FORMAT_B2G3R3_UNORM
:
3115 return format
== GL_RGB
&& type
== GL_UNSIGNED_BYTE_3_3_2
;
3117 case MESA_FORMAT_A_UNORM8
:
3118 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_BYTE
;
3119 case MESA_FORMAT_A_UNORM16
:
3120 return format
== GL_ALPHA
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3121 case MESA_FORMAT_L_UNORM8
:
3122 case MESA_FORMAT_L_SRGB8
:
3123 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_BYTE
;
3124 case MESA_FORMAT_L_UNORM16
:
3125 return format
== GL_LUMINANCE
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3126 case MESA_FORMAT_I_UNORM8
:
3127 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_BYTE
;
3128 case MESA_FORMAT_I_UNORM16
:
3129 return format
== GL_INTENSITY
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3131 case MESA_FORMAT_YCBCR
:
3132 return format
== GL_YCBCR_MESA
&&
3133 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
!= swapBytes
) ||
3134 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
== swapBytes
));
3135 case MESA_FORMAT_YCBCR_REV
:
3136 return format
== GL_YCBCR_MESA
&&
3137 ((type
== GL_UNSIGNED_SHORT_8_8_MESA
&& littleEndian
== swapBytes
) ||
3138 (type
== GL_UNSIGNED_SHORT_8_8_REV_MESA
&& littleEndian
!= swapBytes
));
3140 case MESA_FORMAT_R_UNORM8
:
3141 return format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
;
3142 case MESA_FORMAT_R8G8_UNORM
:
3143 return format
== GL_RG
&& type
== GL_UNSIGNED_BYTE
&& littleEndian
;
3144 case MESA_FORMAT_G8R8_UNORM
:
3147 case MESA_FORMAT_R_UNORM16
:
3148 return format
== GL_RED
&& type
== GL_UNSIGNED_SHORT
&&
3150 case MESA_FORMAT_R16G16_UNORM
:
3151 return format
== GL_RG
&& type
== GL_UNSIGNED_SHORT
&& littleEndian
&&
3153 case MESA_FORMAT_G16R16_UNORM
:
3156 case MESA_FORMAT_B10G10R10A2_UNORM
:
3157 return format
== GL_BGRA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3160 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
3161 return format
== GL_DEPTH_STENCIL
&& type
== GL_UNSIGNED_INT_24_8
&&
3163 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
3164 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
3167 case MESA_FORMAT_Z_UNORM16
:
3168 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_SHORT
&&
3171 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
3174 case MESA_FORMAT_Z_UNORM32
:
3175 return format
== GL_DEPTH_COMPONENT
&& type
== GL_UNSIGNED_INT
&&
3178 case MESA_FORMAT_S_UINT8
:
3179 return format
== GL_STENCIL_INDEX
&& type
== GL_UNSIGNED_BYTE
;
3181 case MESA_FORMAT_SRGB_DXT1
:
3182 case MESA_FORMAT_SRGBA_DXT1
:
3183 case MESA_FORMAT_SRGBA_DXT3
:
3184 case MESA_FORMAT_SRGBA_DXT5
:
3187 case MESA_FORMAT_RGB_FXT1
:
3188 case MESA_FORMAT_RGBA_FXT1
:
3189 case MESA_FORMAT_RGB_DXT1
:
3190 case MESA_FORMAT_RGBA_DXT1
:
3191 case MESA_FORMAT_RGBA_DXT3
:
3192 case MESA_FORMAT_RGBA_DXT5
:
3195 case MESA_FORMAT_RGBA_FLOAT32
:
3196 return format
== GL_RGBA
&& type
== GL_FLOAT
&& !swapBytes
;
3197 case MESA_FORMAT_RGBA_FLOAT16
:
3198 return format
== GL_RGBA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3200 case MESA_FORMAT_RGB_FLOAT32
:
3201 return format
== GL_RGB
&& type
== GL_FLOAT
&& !swapBytes
;
3202 case MESA_FORMAT_RGB_FLOAT16
:
3203 return format
== GL_RGB
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3205 case MESA_FORMAT_A_FLOAT32
:
3206 return format
== GL_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3207 case MESA_FORMAT_A_FLOAT16
:
3208 return format
== GL_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3210 case MESA_FORMAT_L_FLOAT32
:
3211 return format
== GL_LUMINANCE
&& type
== GL_FLOAT
&& !swapBytes
;
3212 case MESA_FORMAT_L_FLOAT16
:
3213 return format
== GL_LUMINANCE
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3215 case MESA_FORMAT_LA_FLOAT32
:
3216 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_FLOAT
&& !swapBytes
;
3217 case MESA_FORMAT_LA_FLOAT16
:
3218 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3220 case MESA_FORMAT_I_FLOAT32
:
3221 return format
== GL_INTENSITY
&& type
== GL_FLOAT
&& !swapBytes
;
3222 case MESA_FORMAT_I_FLOAT16
:
3223 return format
== GL_INTENSITY
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3225 case MESA_FORMAT_R_FLOAT32
:
3226 return format
== GL_RED
&& type
== GL_FLOAT
&& !swapBytes
;
3227 case MESA_FORMAT_R_FLOAT16
:
3228 return format
== GL_RED
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3230 case MESA_FORMAT_RG_FLOAT32
:
3231 return format
== GL_RG
&& type
== GL_FLOAT
&& !swapBytes
;
3232 case MESA_FORMAT_RG_FLOAT16
:
3233 return format
== GL_RG
&& type
== GL_HALF_FLOAT
&& !swapBytes
;
3235 case MESA_FORMAT_A_UINT8
:
3236 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3237 case MESA_FORMAT_A_UINT16
:
3238 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3240 case MESA_FORMAT_A_UINT32
:
3241 return format
== GL_ALPHA_INTEGER
&& type
== GL_UNSIGNED_INT
&&
3243 case MESA_FORMAT_A_SINT8
:
3244 return format
== GL_ALPHA_INTEGER
&& type
== GL_BYTE
;
3245 case MESA_FORMAT_A_SINT16
:
3246 return format
== GL_ALPHA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3247 case MESA_FORMAT_A_SINT32
:
3248 return format
== GL_ALPHA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3250 case MESA_FORMAT_I_UINT8
:
3251 case MESA_FORMAT_I_UINT16
:
3252 case MESA_FORMAT_I_UINT32
:
3253 case MESA_FORMAT_I_SINT8
:
3254 case MESA_FORMAT_I_SINT16
:
3255 case MESA_FORMAT_I_SINT32
:
3256 /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
3259 case MESA_FORMAT_L_UINT8
:
3260 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_BYTE
;
3261 case MESA_FORMAT_L_UINT16
:
3262 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_SHORT
&&
3264 case MESA_FORMAT_L_UINT32
:
3265 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_UNSIGNED_INT
&&
3267 case MESA_FORMAT_L_SINT8
:
3268 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_BYTE
;
3269 case MESA_FORMAT_L_SINT16
:
3270 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_SHORT
&&
3272 case MESA_FORMAT_L_SINT32
:
3273 return format
== GL_LUMINANCE_INTEGER_EXT
&& type
== GL_INT
&& !swapBytes
;
3275 case MESA_FORMAT_LA_UINT8
:
3276 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3277 type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3278 case MESA_FORMAT_LA_UINT16
:
3279 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3280 type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3281 case MESA_FORMAT_LA_UINT32
:
3282 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&&
3283 type
== GL_UNSIGNED_INT
&& !swapBytes
;
3284 case MESA_FORMAT_LA_SINT8
:
3285 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_BYTE
&&
3287 case MESA_FORMAT_LA_SINT16
:
3288 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_SHORT
&&
3290 case MESA_FORMAT_LA_SINT32
:
3291 return format
== GL_LUMINANCE_ALPHA_INTEGER_EXT
&& type
== GL_INT
&&
3294 case MESA_FORMAT_R_SINT8
:
3295 return format
== GL_RED_INTEGER
&& type
== GL_BYTE
;
3296 case MESA_FORMAT_RG_SINT8
:
3297 return format
== GL_RG_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3298 case MESA_FORMAT_RGB_SINT8
:
3299 return format
== GL_RGB_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3300 case MESA_FORMAT_RGBA_SINT8
:
3301 return format
== GL_RGBA_INTEGER
&& type
== GL_BYTE
&& !swapBytes
;
3302 case MESA_FORMAT_R_SINT16
:
3303 return format
== GL_RED_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3304 case MESA_FORMAT_RG_SINT16
:
3305 return format
== GL_RG_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3306 case MESA_FORMAT_RGB_SINT16
:
3307 return format
== GL_RGB_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3308 case MESA_FORMAT_RGBA_SINT16
:
3309 return format
== GL_RGBA_INTEGER
&& type
== GL_SHORT
&& !swapBytes
;
3310 case MESA_FORMAT_R_SINT32
:
3311 return format
== GL_RED_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3312 case MESA_FORMAT_RG_SINT32
:
3313 return format
== GL_RG_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3314 case MESA_FORMAT_RGB_SINT32
:
3315 return format
== GL_RGB_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3316 case MESA_FORMAT_RGBA_SINT32
:
3317 return format
== GL_RGBA_INTEGER
&& type
== GL_INT
&& !swapBytes
;
3319 case MESA_FORMAT_R_UINT8
:
3320 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_BYTE
;
3321 case MESA_FORMAT_RG_UINT8
:
3322 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3323 case MESA_FORMAT_RGB_UINT8
:
3324 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_BYTE
&& !swapBytes
;
3325 case MESA_FORMAT_RGBA_UINT8
:
3326 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_BYTE
&&
3328 case MESA_FORMAT_R_UINT16
:
3329 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3331 case MESA_FORMAT_RG_UINT16
:
3332 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_SHORT
&& !swapBytes
;
3333 case MESA_FORMAT_RGB_UINT16
:
3334 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3336 case MESA_FORMAT_RGBA_UINT16
:
3337 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_SHORT
&&
3339 case MESA_FORMAT_R_UINT32
:
3340 return format
== GL_RED_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3341 case MESA_FORMAT_RG_UINT32
:
3342 return format
== GL_RG_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3343 case MESA_FORMAT_RGB_UINT32
:
3344 return format
== GL_RGB_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3345 case MESA_FORMAT_RGBA_UINT32
:
3346 return format
== GL_RGBA_INTEGER
&& type
== GL_UNSIGNED_INT
&& !swapBytes
;
3348 case MESA_FORMAT_DUDV8
:
3349 return (format
== GL_DU8DV8_ATI
|| format
== GL_DUDV_ATI
) &&
3350 type
== GL_BYTE
&& littleEndian
&& !swapBytes
;
3352 case MESA_FORMAT_R_SNORM8
:
3353 return format
== GL_RED
&& type
== GL_BYTE
;
3354 case MESA_FORMAT_R8G8_SNORM
:
3355 return format
== GL_RG
&& type
== GL_BYTE
&& littleEndian
&&
3357 case MESA_FORMAT_X8B8G8R8_SNORM
:
3360 case MESA_FORMAT_A8B8G8R8_SNORM
:
3361 if (format
== GL_RGBA
&& type
== GL_BYTE
&& !littleEndian
)
3364 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& littleEndian
)
3369 case MESA_FORMAT_R8G8B8A8_SNORM
:
3370 if (format
== GL_RGBA
&& type
== GL_BYTE
&& littleEndian
)
3373 if (format
== GL_ABGR_EXT
&& type
== GL_BYTE
&& !littleEndian
)
3378 case MESA_FORMAT_R_SNORM16
:
3379 return format
== GL_RED
&& type
== GL_SHORT
&&
3381 case MESA_FORMAT_R16G16_SNORM
:
3382 return format
== GL_RG
&& type
== GL_SHORT
&& littleEndian
&& !swapBytes
;
3383 case MESA_FORMAT_RGB_SNORM16
:
3384 return format
== GL_RGB
&& type
== GL_SHORT
&& !swapBytes
;
3385 case MESA_FORMAT_RGBA_SNORM16
:
3386 return format
== GL_RGBA
&& type
== GL_SHORT
&& !swapBytes
;
3387 case MESA_FORMAT_RGBA_UNORM16
:
3388 return format
== GL_RGBA
&& type
== GL_UNSIGNED_SHORT
&&
3391 case MESA_FORMAT_R_RGTC1_UNORM
:
3392 case MESA_FORMAT_R_RGTC1_SNORM
:
3393 case MESA_FORMAT_RG_RGTC2_UNORM
:
3394 case MESA_FORMAT_RG_RGTC2_SNORM
:
3397 case MESA_FORMAT_L_LATC1_UNORM
:
3398 case MESA_FORMAT_L_LATC1_SNORM
:
3399 case MESA_FORMAT_LA_LATC2_UNORM
:
3400 case MESA_FORMAT_LA_LATC2_SNORM
:
3403 case MESA_FORMAT_ETC1_RGB8
:
3404 case MESA_FORMAT_ETC2_RGB8
:
3405 case MESA_FORMAT_ETC2_SRGB8
:
3406 case MESA_FORMAT_ETC2_RGBA8_EAC
:
3407 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
3408 case MESA_FORMAT_ETC2_R11_EAC
:
3409 case MESA_FORMAT_ETC2_RG11_EAC
:
3410 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
3411 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
3412 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
3413 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
3416 case MESA_FORMAT_A_SNORM8
:
3417 return format
== GL_ALPHA
&& type
== GL_BYTE
;
3418 case MESA_FORMAT_L_SNORM8
:
3419 return format
== GL_LUMINANCE
&& type
== GL_BYTE
;
3420 case MESA_FORMAT_L8A8_SNORM
:
3421 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_BYTE
&&
3422 littleEndian
&& !swapBytes
;
3423 case MESA_FORMAT_I_SNORM8
:
3424 return format
== GL_INTENSITY
&& type
== GL_BYTE
;
3425 case MESA_FORMAT_A_SNORM16
:
3426 return format
== GL_ALPHA
&& type
== GL_SHORT
&& !swapBytes
;
3427 case MESA_FORMAT_L_SNORM16
:
3428 return format
== GL_LUMINANCE
&& type
== GL_SHORT
&& !swapBytes
;
3429 case MESA_FORMAT_LA_SNORM16
:
3430 return format
== GL_LUMINANCE_ALPHA
&& type
== GL_SHORT
&&
3431 littleEndian
&& !swapBytes
;
3432 case MESA_FORMAT_I_SNORM16
:
3433 return format
== GL_INTENSITY
&& type
== GL_SHORT
&& littleEndian
&&
3436 case MESA_FORMAT_B10G10R10A2_UINT
:
3437 return (format
== GL_BGRA_INTEGER_EXT
&&
3438 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3441 case MESA_FORMAT_R10G10B10A2_UINT
:
3442 return (format
== GL_RGBA_INTEGER_EXT
&&
3443 type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3446 case MESA_FORMAT_R9G9B9E5_FLOAT
:
3447 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_5_9_9_9_REV
&&
3450 case MESA_FORMAT_R11G11B10_FLOAT
:
3451 return format
== GL_RGB
&& type
== GL_UNSIGNED_INT_10F_11F_11F_REV
&&
3454 case MESA_FORMAT_Z_FLOAT32
:
3455 return format
== GL_DEPTH_COMPONENT
&& type
== GL_FLOAT
&& !swapBytes
;
3457 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
3458 return format
== GL_DEPTH_STENCIL
&&
3459 type
== GL_FLOAT_32_UNSIGNED_INT_24_8_REV
&& !swapBytes
;
3461 case MESA_FORMAT_B4G4R4X4_UNORM
:
3462 case MESA_FORMAT_B5G5R5X1_UNORM
:
3463 case MESA_FORMAT_R8G8B8X8_SNORM
:
3464 case MESA_FORMAT_R8G8B8X8_SRGB
:
3465 case MESA_FORMAT_RGBX_UINT8
:
3466 case MESA_FORMAT_RGBX_SINT8
:
3467 case MESA_FORMAT_B10G10R10X2_UNORM
:
3468 case MESA_FORMAT_RGBX_UNORM16
:
3469 case MESA_FORMAT_RGBX_SNORM16
:
3470 case MESA_FORMAT_RGBX_FLOAT16
:
3471 case MESA_FORMAT_RGBX_UINT16
:
3472 case MESA_FORMAT_RGBX_SINT16
:
3473 case MESA_FORMAT_RGBX_FLOAT32
:
3474 case MESA_FORMAT_RGBX_UINT32
:
3475 case MESA_FORMAT_RGBX_SINT32
:
3478 case MESA_FORMAT_R10G10B10A2_UNORM
:
3479 return format
== GL_RGBA
&& type
== GL_UNSIGNED_INT_2_10_10_10_REV
&&
3482 case MESA_FORMAT_G8R8_SNORM
:
3483 return format
== GL_RG
&& type
== GL_BYTE
&& !littleEndian
&&
3486 case MESA_FORMAT_G16R16_SNORM
:
3487 return format
== GL_RG
&& type
== GL_SHORT
&& !littleEndian
&&
3490 case MESA_FORMAT_B8G8R8X8_SRGB
: