1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright (c) 2008-2010 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
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
31 * Mesa / Gallium format conversion and format selection code.
35 #include "main/imports.h"
36 #include "main/context.h"
37 #include "main/texstore.h"
38 #include "main/image.h"
39 #include "main/macros.h"
40 #include "main/mfeatures.h"
42 #include "pipe/p_context.h"
43 #include "pipe/p_defines.h"
44 #include "pipe/p_screen.h"
45 #include "util/u_format.h"
46 #include "st_context.h"
47 #include "st_format.h"
51 format_max_bits(enum pipe_format format
)
53 GLuint size
= util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 0);
55 size
= MAX2(size
, util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 1));
56 size
= MAX2(size
, util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 2));
57 size
= MAX2(size
, util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 3));
58 size
= MAX2(size
, util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_ZS
, 0));
59 size
= MAX2(size
, util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_ZS
, 1));
65 * Return basic GL datatype for the given gallium format.
68 st_format_datatype(enum pipe_format format
)
70 const struct util_format_description
*desc
;
73 desc
= util_format_description(format
);
76 /* Find the first non-VOID channel. */
77 for (i
= 0; i
< 4; i
++) {
78 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
83 if (desc
->layout
== UTIL_FORMAT_LAYOUT_PLAIN
) {
84 if (format
== PIPE_FORMAT_B5G5R5A1_UNORM
||
85 format
== PIPE_FORMAT_B5G6R5_UNORM
) {
86 return GL_UNSIGNED_SHORT
;
88 else if (format
== PIPE_FORMAT_R11G11B10_FLOAT
||
89 format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
92 else if (format
== PIPE_FORMAT_Z24_UNORM_S8_UINT
||
93 format
== PIPE_FORMAT_S8_UINT_Z24_UNORM
||
94 format
== PIPE_FORMAT_Z24X8_UNORM
||
95 format
== PIPE_FORMAT_X8Z24_UNORM
) {
96 return GL_UNSIGNED_INT_24_8
;
98 else if (format
== PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
) {
99 return GL_FLOAT_32_UNSIGNED_INT_24_8_REV
;
102 const GLuint size
= format_max_bits(format
);
109 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
110 return GL_UNSIGNED_BYTE
;
114 else if (size
== 16) {
115 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
)
116 return GL_HALF_FLOAT
;
117 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
118 return GL_UNSIGNED_SHORT
;
122 else if (size
<= 32) {
123 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
)
125 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
126 return GL_UNSIGNED_INT
;
132 assert(desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
);
137 else if (format
== PIPE_FORMAT_UYVY
) {
138 return GL_UNSIGNED_SHORT
;
140 else if (format
== PIPE_FORMAT_YUYV
) {
141 return GL_UNSIGNED_SHORT
;
144 /* probably a compressed format, unsupported anyway */
151 * Translate Mesa format to Gallium format.
154 st_mesa_format_to_pipe_format(gl_format mesaFormat
)
156 switch (mesaFormat
) {
157 case MESA_FORMAT_RGBA8888
:
158 return PIPE_FORMAT_A8B8G8R8_UNORM
;
159 case MESA_FORMAT_RGBA8888_REV
:
160 return PIPE_FORMAT_R8G8B8A8_UNORM
;
161 case MESA_FORMAT_ARGB8888
:
162 return PIPE_FORMAT_B8G8R8A8_UNORM
;
163 case MESA_FORMAT_ARGB8888_REV
:
164 return PIPE_FORMAT_A8R8G8B8_UNORM
;
165 case MESA_FORMAT_XRGB8888
:
166 return PIPE_FORMAT_B8G8R8X8_UNORM
;
167 case MESA_FORMAT_XRGB8888_REV
:
168 return PIPE_FORMAT_X8R8G8B8_UNORM
;
169 case MESA_FORMAT_ARGB1555
:
170 return PIPE_FORMAT_B5G5R5A1_UNORM
;
171 case MESA_FORMAT_ARGB4444
:
172 return PIPE_FORMAT_B4G4R4A4_UNORM
;
173 case MESA_FORMAT_RGB565
:
174 return PIPE_FORMAT_B5G6R5_UNORM
;
175 case MESA_FORMAT_RGB332
:
176 return PIPE_FORMAT_B2G3R3_UNORM
;
177 case MESA_FORMAT_ARGB2101010
:
178 return PIPE_FORMAT_B10G10R10A2_UNORM
;
179 case MESA_FORMAT_AL44
:
180 return PIPE_FORMAT_L4A4_UNORM
;
181 case MESA_FORMAT_AL88
:
182 return PIPE_FORMAT_L8A8_UNORM
;
183 case MESA_FORMAT_AL1616
:
184 return PIPE_FORMAT_L16A16_UNORM
;
186 return PIPE_FORMAT_A8_UNORM
;
187 case MESA_FORMAT_A16
:
188 return PIPE_FORMAT_A16_UNORM
;
190 return PIPE_FORMAT_L8_UNORM
;
191 case MESA_FORMAT_L16
:
192 return PIPE_FORMAT_L16_UNORM
;
194 return PIPE_FORMAT_I8_UNORM
;
195 case MESA_FORMAT_I16
:
196 return PIPE_FORMAT_I16_UNORM
;
197 case MESA_FORMAT_Z16
:
198 return PIPE_FORMAT_Z16_UNORM
;
199 case MESA_FORMAT_Z32
:
200 return PIPE_FORMAT_Z32_UNORM
;
201 case MESA_FORMAT_Z24_S8
:
202 return PIPE_FORMAT_S8_UINT_Z24_UNORM
;
203 case MESA_FORMAT_S8_Z24
:
204 return PIPE_FORMAT_Z24_UNORM_S8_UINT
;
205 case MESA_FORMAT_Z24_X8
:
206 return PIPE_FORMAT_X8Z24_UNORM
;
207 case MESA_FORMAT_X8_Z24
:
208 return PIPE_FORMAT_Z24X8_UNORM
;
210 return PIPE_FORMAT_S8_UINT
;
211 case MESA_FORMAT_Z32_FLOAT
:
212 return PIPE_FORMAT_Z32_FLOAT
;
213 case MESA_FORMAT_Z32_FLOAT_X24S8
:
214 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
;
215 case MESA_FORMAT_YCBCR
:
216 return PIPE_FORMAT_UYVY
;
217 #if FEATURE_texture_s3tc
218 case MESA_FORMAT_RGB_DXT1
:
219 return PIPE_FORMAT_DXT1_RGB
;
220 case MESA_FORMAT_RGBA_DXT1
:
221 return PIPE_FORMAT_DXT1_RGBA
;
222 case MESA_FORMAT_RGBA_DXT3
:
223 return PIPE_FORMAT_DXT3_RGBA
;
224 case MESA_FORMAT_RGBA_DXT5
:
225 return PIPE_FORMAT_DXT5_RGBA
;
226 #if FEATURE_EXT_texture_sRGB
227 case MESA_FORMAT_SRGB_DXT1
:
228 return PIPE_FORMAT_DXT1_SRGB
;
229 case MESA_FORMAT_SRGBA_DXT1
:
230 return PIPE_FORMAT_DXT1_SRGBA
;
231 case MESA_FORMAT_SRGBA_DXT3
:
232 return PIPE_FORMAT_DXT3_SRGBA
;
233 case MESA_FORMAT_SRGBA_DXT5
:
234 return PIPE_FORMAT_DXT5_SRGBA
;
237 #if FEATURE_EXT_texture_sRGB
238 case MESA_FORMAT_SLA8
:
239 return PIPE_FORMAT_L8A8_SRGB
;
240 case MESA_FORMAT_SL8
:
241 return PIPE_FORMAT_L8_SRGB
;
242 case MESA_FORMAT_SRGB8
:
243 return PIPE_FORMAT_R8G8B8_SRGB
;
244 case MESA_FORMAT_SRGBA8
:
245 return PIPE_FORMAT_A8B8G8R8_SRGB
;
246 case MESA_FORMAT_SARGB8
:
247 return PIPE_FORMAT_B8G8R8A8_SRGB
;
249 case MESA_FORMAT_RGBA_FLOAT32
:
250 return PIPE_FORMAT_R32G32B32A32_FLOAT
;
251 case MESA_FORMAT_RGBA_FLOAT16
:
252 return PIPE_FORMAT_R16G16B16A16_FLOAT
;
253 case MESA_FORMAT_RGB_FLOAT32
:
254 return PIPE_FORMAT_R32G32B32_FLOAT
;
255 case MESA_FORMAT_RGB_FLOAT16
:
256 return PIPE_FORMAT_R16G16B16_FLOAT
;
257 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
258 return PIPE_FORMAT_L32A32_FLOAT
;
259 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
260 return PIPE_FORMAT_L16A16_FLOAT
;
261 case MESA_FORMAT_LUMINANCE_FLOAT32
:
262 return PIPE_FORMAT_L32_FLOAT
;
263 case MESA_FORMAT_LUMINANCE_FLOAT16
:
264 return PIPE_FORMAT_L16_FLOAT
;
265 case MESA_FORMAT_ALPHA_FLOAT32
:
266 return PIPE_FORMAT_A32_FLOAT
;
267 case MESA_FORMAT_ALPHA_FLOAT16
:
268 return PIPE_FORMAT_A16_FLOAT
;
269 case MESA_FORMAT_INTENSITY_FLOAT32
:
270 return PIPE_FORMAT_I32_FLOAT
;
271 case MESA_FORMAT_INTENSITY_FLOAT16
:
272 return PIPE_FORMAT_I16_FLOAT
;
273 case MESA_FORMAT_R_FLOAT32
:
274 return PIPE_FORMAT_R32_FLOAT
;
275 case MESA_FORMAT_R_FLOAT16
:
276 return PIPE_FORMAT_R16_FLOAT
;
277 case MESA_FORMAT_RG_FLOAT32
:
278 return PIPE_FORMAT_R32G32_FLOAT
;
279 case MESA_FORMAT_RG_FLOAT16
:
280 return PIPE_FORMAT_R16G16_FLOAT
;
283 return PIPE_FORMAT_R8_UNORM
;
284 case MESA_FORMAT_R16
:
285 return PIPE_FORMAT_R16_UNORM
;
286 case MESA_FORMAT_RG88
:
287 return PIPE_FORMAT_R8G8_UNORM
;
288 case MESA_FORMAT_RG1616
:
289 return PIPE_FORMAT_R16G16_UNORM
;
290 case MESA_FORMAT_RGBA_16
:
291 return PIPE_FORMAT_R16G16B16A16_UNORM
;
293 /* signed int formats */
294 case MESA_FORMAT_ALPHA_UINT8
:
295 return PIPE_FORMAT_A8_UINT
;
296 case MESA_FORMAT_ALPHA_UINT16
:
297 return PIPE_FORMAT_A16_UINT
;
298 case MESA_FORMAT_ALPHA_UINT32
:
299 return PIPE_FORMAT_A32_UINT
;
301 case MESA_FORMAT_ALPHA_INT8
:
302 return PIPE_FORMAT_A8_SINT
;
303 case MESA_FORMAT_ALPHA_INT16
:
304 return PIPE_FORMAT_A16_SINT
;
305 case MESA_FORMAT_ALPHA_INT32
:
306 return PIPE_FORMAT_A32_SINT
;
308 case MESA_FORMAT_INTENSITY_UINT8
:
309 return PIPE_FORMAT_I8_UINT
;
310 case MESA_FORMAT_INTENSITY_UINT16
:
311 return PIPE_FORMAT_I16_UINT
;
312 case MESA_FORMAT_INTENSITY_UINT32
:
313 return PIPE_FORMAT_I32_UINT
;
315 case MESA_FORMAT_INTENSITY_INT8
:
316 return PIPE_FORMAT_I8_SINT
;
317 case MESA_FORMAT_INTENSITY_INT16
:
318 return PIPE_FORMAT_I16_SINT
;
319 case MESA_FORMAT_INTENSITY_INT32
:
320 return PIPE_FORMAT_I32_SINT
;
322 case MESA_FORMAT_LUMINANCE_UINT8
:
323 return PIPE_FORMAT_L8_UINT
;
324 case MESA_FORMAT_LUMINANCE_UINT16
:
325 return PIPE_FORMAT_L16_UINT
;
326 case MESA_FORMAT_LUMINANCE_UINT32
:
327 return PIPE_FORMAT_L32_UINT
;
329 case MESA_FORMAT_LUMINANCE_INT8
:
330 return PIPE_FORMAT_L8_SINT
;
331 case MESA_FORMAT_LUMINANCE_INT16
:
332 return PIPE_FORMAT_L16_SINT
;
333 case MESA_FORMAT_LUMINANCE_INT32
:
334 return PIPE_FORMAT_L32_SINT
;
336 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
337 return PIPE_FORMAT_L8A8_UINT
;
338 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
339 return PIPE_FORMAT_L16A16_UINT
;
340 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
341 return PIPE_FORMAT_L32A32_UINT
;
343 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
344 return PIPE_FORMAT_L8A8_SINT
;
345 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
346 return PIPE_FORMAT_L16A16_SINT
;
347 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
348 return PIPE_FORMAT_L32A32_SINT
;
350 case MESA_FORMAT_R_INT8
:
351 return PIPE_FORMAT_R8_SINT
;
352 case MESA_FORMAT_RG_INT8
:
353 return PIPE_FORMAT_R8G8_SINT
;
354 case MESA_FORMAT_RGB_INT8
:
355 return PIPE_FORMAT_R8G8B8_SINT
;
356 case MESA_FORMAT_RGBA_INT8
:
357 return PIPE_FORMAT_R8G8B8A8_SINT
;
358 case MESA_FORMAT_R_INT16
:
359 return PIPE_FORMAT_R16_SINT
;
360 case MESA_FORMAT_RG_INT16
:
361 return PIPE_FORMAT_R16G16_SINT
;
362 case MESA_FORMAT_RGB_INT16
:
363 return PIPE_FORMAT_R16G16B16_SINT
;
364 case MESA_FORMAT_RGBA_INT16
:
365 return PIPE_FORMAT_R16G16B16A16_SINT
;
366 case MESA_FORMAT_R_INT32
:
367 return PIPE_FORMAT_R32_SINT
;
368 case MESA_FORMAT_RG_INT32
:
369 return PIPE_FORMAT_R32G32_SINT
;
370 case MESA_FORMAT_RGB_INT32
:
371 return PIPE_FORMAT_R32G32B32_SINT
;
372 case MESA_FORMAT_RGBA_INT32
:
373 return PIPE_FORMAT_R32G32B32A32_SINT
;
375 /* unsigned int formats */
376 case MESA_FORMAT_R_UINT8
:
377 return PIPE_FORMAT_R8_UINT
;
378 case MESA_FORMAT_RG_UINT8
:
379 return PIPE_FORMAT_R8G8_UINT
;
380 case MESA_FORMAT_RGB_UINT8
:
381 return PIPE_FORMAT_R8G8B8_UINT
;
382 case MESA_FORMAT_RGBA_UINT8
:
383 return PIPE_FORMAT_R8G8B8A8_UINT
;
384 case MESA_FORMAT_R_UINT16
:
385 return PIPE_FORMAT_R16_UINT
;
386 case MESA_FORMAT_RG_UINT16
:
387 return PIPE_FORMAT_R16G16_UINT
;
388 case MESA_FORMAT_RGB_UINT16
:
389 return PIPE_FORMAT_R16G16B16_UINT
;
390 case MESA_FORMAT_RGBA_UINT16
:
391 return PIPE_FORMAT_R16G16B16A16_UINT
;
392 case MESA_FORMAT_R_UINT32
:
393 return PIPE_FORMAT_R32_UINT
;
394 case MESA_FORMAT_RG_UINT32
:
395 return PIPE_FORMAT_R32G32_UINT
;
396 case MESA_FORMAT_RGB_UINT32
:
397 return PIPE_FORMAT_R32G32B32_UINT
;
398 case MESA_FORMAT_RGBA_UINT32
:
399 return PIPE_FORMAT_R32G32B32A32_UINT
;
401 case MESA_FORMAT_RED_RGTC1
:
402 return PIPE_FORMAT_RGTC1_UNORM
;
403 case MESA_FORMAT_SIGNED_RED_RGTC1
:
404 return PIPE_FORMAT_RGTC1_SNORM
;
405 case MESA_FORMAT_RG_RGTC2
:
406 return PIPE_FORMAT_RGTC2_UNORM
;
407 case MESA_FORMAT_SIGNED_RG_RGTC2
:
408 return PIPE_FORMAT_RGTC2_SNORM
;
410 case MESA_FORMAT_L_LATC1
:
411 return PIPE_FORMAT_LATC1_UNORM
;
412 case MESA_FORMAT_SIGNED_L_LATC1
:
413 return PIPE_FORMAT_LATC1_SNORM
;
414 case MESA_FORMAT_LA_LATC2
:
415 return PIPE_FORMAT_LATC2_UNORM
;
416 case MESA_FORMAT_SIGNED_LA_LATC2
:
417 return PIPE_FORMAT_LATC2_SNORM
;
419 /* signed normalized formats */
420 case MESA_FORMAT_SIGNED_R8
:
421 return PIPE_FORMAT_R8_SNORM
;
422 case MESA_FORMAT_SIGNED_RG88_REV
:
423 return PIPE_FORMAT_R8G8_SNORM
;
424 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
425 return PIPE_FORMAT_R8G8B8A8_SNORM
;
427 case MESA_FORMAT_SIGNED_A8
:
428 return PIPE_FORMAT_A8_SNORM
;
429 case MESA_FORMAT_SIGNED_L8
:
430 return PIPE_FORMAT_L8_SNORM
;
431 case MESA_FORMAT_SIGNED_AL88
:
432 return PIPE_FORMAT_L8A8_SNORM
;
433 case MESA_FORMAT_SIGNED_I8
:
434 return PIPE_FORMAT_I8_SNORM
;
436 case MESA_FORMAT_SIGNED_R16
:
437 return PIPE_FORMAT_R16_SNORM
;
438 case MESA_FORMAT_SIGNED_GR1616
:
439 return PIPE_FORMAT_R16G16_SNORM
;
440 case MESA_FORMAT_SIGNED_RGBA_16
:
441 return PIPE_FORMAT_R16G16B16A16_SNORM
;
443 case MESA_FORMAT_SIGNED_A16
:
444 return PIPE_FORMAT_A16_SNORM
;
445 case MESA_FORMAT_SIGNED_L16
:
446 return PIPE_FORMAT_L16_SNORM
;
447 case MESA_FORMAT_SIGNED_AL1616
:
448 return PIPE_FORMAT_L16A16_SNORM
;
449 case MESA_FORMAT_SIGNED_I16
:
450 return PIPE_FORMAT_I16_SNORM
;
452 case MESA_FORMAT_RGB9_E5_FLOAT
:
453 return PIPE_FORMAT_R9G9B9E5_FLOAT
;
454 case MESA_FORMAT_R11_G11_B10_FLOAT
:
455 return PIPE_FORMAT_R11G11B10_FLOAT
;
459 return PIPE_FORMAT_NONE
;
465 * Translate Gallium format to Mesa format.
468 st_pipe_format_to_mesa_format(enum pipe_format format
)
471 case PIPE_FORMAT_A8B8G8R8_UNORM
:
472 return MESA_FORMAT_RGBA8888
;
473 case PIPE_FORMAT_R8G8B8A8_UNORM
:
474 return MESA_FORMAT_RGBA8888_REV
;
475 case PIPE_FORMAT_B8G8R8A8_UNORM
:
476 return MESA_FORMAT_ARGB8888
;
477 case PIPE_FORMAT_A8R8G8B8_UNORM
:
478 return MESA_FORMAT_ARGB8888_REV
;
479 case PIPE_FORMAT_B8G8R8X8_UNORM
:
480 return MESA_FORMAT_XRGB8888
;
481 case PIPE_FORMAT_X8R8G8B8_UNORM
:
482 return MESA_FORMAT_XRGB8888_REV
;
483 case PIPE_FORMAT_B5G5R5A1_UNORM
:
484 return MESA_FORMAT_ARGB1555
;
485 case PIPE_FORMAT_B4G4R4A4_UNORM
:
486 return MESA_FORMAT_ARGB4444
;
487 case PIPE_FORMAT_B5G6R5_UNORM
:
488 return MESA_FORMAT_RGB565
;
489 case PIPE_FORMAT_B2G3R3_UNORM
:
490 return MESA_FORMAT_RGB332
;
491 case PIPE_FORMAT_B10G10R10A2_UNORM
:
492 return MESA_FORMAT_ARGB2101010
;
493 case PIPE_FORMAT_L4A4_UNORM
:
494 return MESA_FORMAT_AL44
;
495 case PIPE_FORMAT_L8A8_UNORM
:
496 return MESA_FORMAT_AL88
;
497 case PIPE_FORMAT_L16A16_UNORM
:
498 return MESA_FORMAT_AL1616
;
499 case PIPE_FORMAT_A8_UNORM
:
500 return MESA_FORMAT_A8
;
501 case PIPE_FORMAT_A16_UNORM
:
502 return MESA_FORMAT_A16
;
503 case PIPE_FORMAT_L8_UNORM
:
504 return MESA_FORMAT_L8
;
505 case PIPE_FORMAT_L16_UNORM
:
506 return MESA_FORMAT_L16
;
507 case PIPE_FORMAT_I8_UNORM
:
508 return MESA_FORMAT_I8
;
509 case PIPE_FORMAT_I16_UNORM
:
510 return MESA_FORMAT_I16
;
511 case PIPE_FORMAT_S8_UINT
:
512 return MESA_FORMAT_S8
;
514 case PIPE_FORMAT_R16G16B16A16_UNORM
:
515 return MESA_FORMAT_RGBA_16
;
517 case PIPE_FORMAT_Z16_UNORM
:
518 return MESA_FORMAT_Z16
;
519 case PIPE_FORMAT_Z32_UNORM
:
520 return MESA_FORMAT_Z32
;
521 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
522 return MESA_FORMAT_Z24_S8
;
523 case PIPE_FORMAT_X8Z24_UNORM
:
524 return MESA_FORMAT_Z24_X8
;
525 case PIPE_FORMAT_Z24X8_UNORM
:
526 return MESA_FORMAT_X8_Z24
;
527 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
528 return MESA_FORMAT_S8_Z24
;
529 case PIPE_FORMAT_Z32_FLOAT
:
530 return MESA_FORMAT_Z32_FLOAT
;
531 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
532 return MESA_FORMAT_Z32_FLOAT_X24S8
;
534 case PIPE_FORMAT_UYVY
:
535 return MESA_FORMAT_YCBCR
;
536 case PIPE_FORMAT_YUYV
:
537 return MESA_FORMAT_YCBCR_REV
;
539 #if FEATURE_texture_s3tc
540 case PIPE_FORMAT_DXT1_RGB
:
541 return MESA_FORMAT_RGB_DXT1
;
542 case PIPE_FORMAT_DXT1_RGBA
:
543 return MESA_FORMAT_RGBA_DXT1
;
544 case PIPE_FORMAT_DXT3_RGBA
:
545 return MESA_FORMAT_RGBA_DXT3
;
546 case PIPE_FORMAT_DXT5_RGBA
:
547 return MESA_FORMAT_RGBA_DXT5
;
548 #if FEATURE_EXT_texture_sRGB
549 case PIPE_FORMAT_DXT1_SRGB
:
550 return MESA_FORMAT_SRGB_DXT1
;
551 case PIPE_FORMAT_DXT1_SRGBA
:
552 return MESA_FORMAT_SRGBA_DXT1
;
553 case PIPE_FORMAT_DXT3_SRGBA
:
554 return MESA_FORMAT_SRGBA_DXT3
;
555 case PIPE_FORMAT_DXT5_SRGBA
:
556 return MESA_FORMAT_SRGBA_DXT5
;
560 #if FEATURE_EXT_texture_sRGB
561 case PIPE_FORMAT_L8A8_SRGB
:
562 return MESA_FORMAT_SLA8
;
563 case PIPE_FORMAT_L8_SRGB
:
564 return MESA_FORMAT_SL8
;
565 case PIPE_FORMAT_R8G8B8_SRGB
:
566 return MESA_FORMAT_SRGB8
;
567 case PIPE_FORMAT_A8B8G8R8_SRGB
:
568 return MESA_FORMAT_SRGBA8
;
569 case PIPE_FORMAT_B8G8R8A8_SRGB
:
570 return MESA_FORMAT_SARGB8
;
572 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
573 return MESA_FORMAT_RGBA_FLOAT32
;
574 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
575 return MESA_FORMAT_RGBA_FLOAT16
;
576 case PIPE_FORMAT_R32G32B32_FLOAT
:
577 return MESA_FORMAT_RGB_FLOAT32
;
578 case PIPE_FORMAT_R16G16B16_FLOAT
:
579 return MESA_FORMAT_RGB_FLOAT16
;
580 case PIPE_FORMAT_L32A32_FLOAT
:
581 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
;
582 case PIPE_FORMAT_L16A16_FLOAT
:
583 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
;
584 case PIPE_FORMAT_L32_FLOAT
:
585 return MESA_FORMAT_LUMINANCE_FLOAT32
;
586 case PIPE_FORMAT_L16_FLOAT
:
587 return MESA_FORMAT_LUMINANCE_FLOAT16
;
588 case PIPE_FORMAT_A32_FLOAT
:
589 return MESA_FORMAT_ALPHA_FLOAT32
;
590 case PIPE_FORMAT_A16_FLOAT
:
591 return MESA_FORMAT_ALPHA_FLOAT16
;
592 case PIPE_FORMAT_I32_FLOAT
:
593 return MESA_FORMAT_INTENSITY_FLOAT32
;
594 case PIPE_FORMAT_I16_FLOAT
:
595 return MESA_FORMAT_INTENSITY_FLOAT16
;
596 case PIPE_FORMAT_R32_FLOAT
:
597 return MESA_FORMAT_R_FLOAT32
;
598 case PIPE_FORMAT_R16_FLOAT
:
599 return MESA_FORMAT_R_FLOAT16
;
600 case PIPE_FORMAT_R32G32_FLOAT
:
601 return MESA_FORMAT_RG_FLOAT32
;
602 case PIPE_FORMAT_R16G16_FLOAT
:
603 return MESA_FORMAT_RG_FLOAT16
;
605 case PIPE_FORMAT_R8_UNORM
:
606 return MESA_FORMAT_R8
;
607 case PIPE_FORMAT_R16_UNORM
:
608 return MESA_FORMAT_R16
;
609 case PIPE_FORMAT_R8G8_UNORM
:
610 return MESA_FORMAT_RG88
;
611 case PIPE_FORMAT_R16G16_UNORM
:
612 return MESA_FORMAT_RG1616
;
614 case PIPE_FORMAT_A8_UINT
:
615 return MESA_FORMAT_ALPHA_UINT8
;
616 case PIPE_FORMAT_A16_UINT
:
617 return MESA_FORMAT_ALPHA_UINT16
;
618 case PIPE_FORMAT_A32_UINT
:
619 return MESA_FORMAT_ALPHA_UINT32
;
620 case PIPE_FORMAT_A8_SINT
:
621 return MESA_FORMAT_ALPHA_INT8
;
622 case PIPE_FORMAT_A16_SINT
:
623 return MESA_FORMAT_ALPHA_INT16
;
624 case PIPE_FORMAT_A32_SINT
:
625 return MESA_FORMAT_ALPHA_INT32
;
627 case PIPE_FORMAT_I8_UINT
:
628 return MESA_FORMAT_INTENSITY_UINT8
;
629 case PIPE_FORMAT_I16_UINT
:
630 return MESA_FORMAT_INTENSITY_UINT16
;
631 case PIPE_FORMAT_I32_UINT
:
632 return MESA_FORMAT_INTENSITY_UINT32
;
633 case PIPE_FORMAT_I8_SINT
:
634 return MESA_FORMAT_INTENSITY_INT8
;
635 case PIPE_FORMAT_I16_SINT
:
636 return MESA_FORMAT_INTENSITY_INT16
;
637 case PIPE_FORMAT_I32_SINT
:
638 return MESA_FORMAT_INTENSITY_INT32
;
640 case PIPE_FORMAT_L8_UINT
:
641 return MESA_FORMAT_LUMINANCE_UINT8
;
642 case PIPE_FORMAT_L16_UINT
:
643 return MESA_FORMAT_LUMINANCE_UINT16
;
644 case PIPE_FORMAT_L32_UINT
:
645 return MESA_FORMAT_LUMINANCE_UINT32
;
646 case PIPE_FORMAT_L8_SINT
:
647 return MESA_FORMAT_LUMINANCE_INT8
;
648 case PIPE_FORMAT_L16_SINT
:
649 return MESA_FORMAT_LUMINANCE_INT16
;
650 case PIPE_FORMAT_L32_SINT
:
651 return MESA_FORMAT_LUMINANCE_INT32
;
653 case PIPE_FORMAT_L8A8_UINT
:
654 return MESA_FORMAT_LUMINANCE_ALPHA_UINT8
;
655 case PIPE_FORMAT_L16A16_UINT
:
656 return MESA_FORMAT_LUMINANCE_ALPHA_UINT16
;
657 case PIPE_FORMAT_L32A32_UINT
:
658 return MESA_FORMAT_LUMINANCE_ALPHA_UINT32
;
659 case PIPE_FORMAT_L8A8_SINT
:
660 return MESA_FORMAT_LUMINANCE_ALPHA_INT8
;
661 case PIPE_FORMAT_L16A16_SINT
:
662 return MESA_FORMAT_LUMINANCE_ALPHA_INT16
;
663 case PIPE_FORMAT_L32A32_SINT
:
664 return MESA_FORMAT_LUMINANCE_ALPHA_INT32
;
666 case PIPE_FORMAT_R8_SINT
:
667 return MESA_FORMAT_R_INT8
;
668 case PIPE_FORMAT_R8G8_SINT
:
669 return MESA_FORMAT_RG_INT8
;
670 case PIPE_FORMAT_R8G8B8_SINT
:
671 return MESA_FORMAT_RGB_INT8
;
672 case PIPE_FORMAT_R8G8B8A8_SINT
:
673 return MESA_FORMAT_RGBA_INT8
;
675 case PIPE_FORMAT_R16_SINT
:
676 return MESA_FORMAT_R_INT16
;
677 case PIPE_FORMAT_R16G16_SINT
:
678 return MESA_FORMAT_RG_INT16
;
679 case PIPE_FORMAT_R16G16B16_SINT
:
680 return MESA_FORMAT_RGB_INT16
;
681 case PIPE_FORMAT_R16G16B16A16_SINT
:
682 return MESA_FORMAT_RGBA_INT16
;
684 case PIPE_FORMAT_R32_SINT
:
685 return MESA_FORMAT_R_INT32
;
686 case PIPE_FORMAT_R32G32_SINT
:
687 return MESA_FORMAT_RG_INT32
;
688 case PIPE_FORMAT_R32G32B32_SINT
:
689 return MESA_FORMAT_RGB_INT32
;
690 case PIPE_FORMAT_R32G32B32A32_SINT
:
691 return MESA_FORMAT_RGBA_INT32
;
693 /* unsigned int formats */
694 case PIPE_FORMAT_R8_UINT
:
695 return MESA_FORMAT_R_UINT8
;
696 case PIPE_FORMAT_R8G8_UINT
:
697 return MESA_FORMAT_RG_UINT8
;
698 case PIPE_FORMAT_R8G8B8_UINT
:
699 return MESA_FORMAT_RGB_UINT8
;
700 case PIPE_FORMAT_R8G8B8A8_UINT
:
701 return MESA_FORMAT_RGBA_UINT8
;
703 case PIPE_FORMAT_R16_UINT
:
704 return MESA_FORMAT_R_UINT16
;
705 case PIPE_FORMAT_R16G16_UINT
:
706 return MESA_FORMAT_RG_UINT16
;
707 case PIPE_FORMAT_R16G16B16_UINT
:
708 return MESA_FORMAT_RGB_UINT16
;
709 case PIPE_FORMAT_R16G16B16A16_UINT
:
710 return MESA_FORMAT_RGBA_UINT16
;
712 case PIPE_FORMAT_R32_UINT
:
713 return MESA_FORMAT_R_UINT32
;
714 case PIPE_FORMAT_R32G32_UINT
:
715 return MESA_FORMAT_RG_UINT32
;
716 case PIPE_FORMAT_R32G32B32_UINT
:
717 return MESA_FORMAT_RGB_UINT32
;
718 case PIPE_FORMAT_R32G32B32A32_UINT
:
719 return MESA_FORMAT_RGBA_UINT32
;
721 case PIPE_FORMAT_RGTC1_UNORM
:
722 return MESA_FORMAT_RED_RGTC1
;
723 case PIPE_FORMAT_RGTC1_SNORM
:
724 return MESA_FORMAT_SIGNED_RED_RGTC1
;
725 case PIPE_FORMAT_RGTC2_UNORM
:
726 return MESA_FORMAT_RG_RGTC2
;
727 case PIPE_FORMAT_RGTC2_SNORM
:
728 return MESA_FORMAT_SIGNED_RG_RGTC2
;
730 case PIPE_FORMAT_LATC1_UNORM
:
731 return MESA_FORMAT_L_LATC1
;
732 case PIPE_FORMAT_LATC1_SNORM
:
733 return MESA_FORMAT_SIGNED_L_LATC1
;
734 case PIPE_FORMAT_LATC2_UNORM
:
735 return MESA_FORMAT_LA_LATC2
;
736 case PIPE_FORMAT_LATC2_SNORM
:
737 return MESA_FORMAT_SIGNED_LA_LATC2
;
739 /* signed normalized formats */
740 case PIPE_FORMAT_R8_SNORM
:
741 return MESA_FORMAT_SIGNED_R8
;
742 case PIPE_FORMAT_R8G8_SNORM
:
743 return MESA_FORMAT_SIGNED_RG88_REV
;
744 case PIPE_FORMAT_R8G8B8A8_SNORM
:
745 return MESA_FORMAT_SIGNED_RGBA8888_REV
;
747 case PIPE_FORMAT_A8_SNORM
:
748 return MESA_FORMAT_SIGNED_A8
;
749 case PIPE_FORMAT_L8_SNORM
:
750 return MESA_FORMAT_SIGNED_L8
;
751 case PIPE_FORMAT_L8A8_SNORM
:
752 return MESA_FORMAT_SIGNED_AL88
;
753 case PIPE_FORMAT_I8_SNORM
:
754 return MESA_FORMAT_SIGNED_I8
;
756 case PIPE_FORMAT_R16_SNORM
:
757 return MESA_FORMAT_SIGNED_R16
;
758 case PIPE_FORMAT_R16G16_SNORM
:
759 return MESA_FORMAT_SIGNED_GR1616
;
760 case PIPE_FORMAT_R16G16B16A16_SNORM
:
761 return MESA_FORMAT_SIGNED_RGBA_16
;
763 case PIPE_FORMAT_A16_SNORM
:
764 return MESA_FORMAT_SIGNED_A16
;
765 case PIPE_FORMAT_L16_SNORM
:
766 return MESA_FORMAT_SIGNED_L16
;
767 case PIPE_FORMAT_L16A16_SNORM
:
768 return MESA_FORMAT_SIGNED_AL1616
;
769 case PIPE_FORMAT_I16_SNORM
:
770 return MESA_FORMAT_SIGNED_I16
;
772 case PIPE_FORMAT_R9G9B9E5_FLOAT
:
773 return MESA_FORMAT_RGB9_E5_FLOAT
;
774 case PIPE_FORMAT_R11G11B10_FLOAT
:
775 return MESA_FORMAT_R11_G11_B10_FLOAT
;
779 return MESA_FORMAT_NONE
;
785 * Map GL texture formats to Gallium pipe formats.
787 struct format_mapping
789 GLenum glFormats
[18]; /**< list of GLenum formats, 0-terminated */
790 enum pipe_format pipeFormats
[10]; /**< list of pipe formats, 0-terminated */
794 #define DEFAULT_RGBA_FORMATS \
795 PIPE_FORMAT_B8G8R8A8_UNORM, \
796 PIPE_FORMAT_A8R8G8B8_UNORM, \
797 PIPE_FORMAT_A8B8G8R8_UNORM, \
798 PIPE_FORMAT_B5G6R5_UNORM, \
801 #define DEFAULT_RGB_FORMATS \
802 PIPE_FORMAT_B8G8R8X8_UNORM, \
803 PIPE_FORMAT_X8R8G8B8_UNORM, \
804 PIPE_FORMAT_X8B8G8R8_UNORM, \
805 PIPE_FORMAT_B8G8R8A8_UNORM, \
806 PIPE_FORMAT_A8R8G8B8_UNORM, \
807 PIPE_FORMAT_A8B8G8R8_UNORM, \
808 PIPE_FORMAT_B5G6R5_UNORM, \
811 #define DEFAULT_SRGBA_FORMATS \
812 PIPE_FORMAT_B8G8R8A8_SRGB, \
813 PIPE_FORMAT_A8R8G8B8_SRGB, \
814 PIPE_FORMAT_A8B8G8R8_SRGB, \
817 #define DEFAULT_DEPTH_FORMATS \
818 PIPE_FORMAT_Z24X8_UNORM, \
819 PIPE_FORMAT_X8Z24_UNORM, \
820 PIPE_FORMAT_Z16_UNORM, \
821 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
822 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
826 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
827 * Multiple GL enums might map to multiple pipe_formats.
828 * The first pipe format in the list that's supported is the one that's chosen.
830 static const struct format_mapping format_map
[] = {
831 /* Basic RGB, RGBA formats */
833 { GL_RGB10
, GL_RGB10_A2
, 0 },
834 { PIPE_FORMAT_B10G10R10A2_UNORM
, DEFAULT_RGBA_FORMATS
}
837 { 4, GL_RGBA
, GL_RGBA8
, 0 },
838 { PIPE_FORMAT_R8G8B8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
842 { PIPE_FORMAT_B8G8R8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
845 { 3, GL_RGB
, GL_RGB8
, 0 },
846 { DEFAULT_RGB_FORMATS
}
849 { GL_RGB12
, GL_RGB16
, GL_RGBA12
, GL_RGBA16
, 0 },
850 { PIPE_FORMAT_R16G16B16A16_UNORM
, DEFAULT_RGBA_FORMATS
}
853 { GL_RGBA4
, GL_RGBA2
, 0 },
854 { PIPE_FORMAT_B4G4R4A4_UNORM
, DEFAULT_RGBA_FORMATS
}
858 { PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
862 { PIPE_FORMAT_B2G3R3_UNORM
, PIPE_FORMAT_B5G6R5_UNORM
,
863 PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
866 { GL_RGB5
, GL_RGB4
},
867 { PIPE_FORMAT_B5G6R5_UNORM
, PIPE_FORMAT_B5G5R5A1_UNORM
,
868 DEFAULT_RGBA_FORMATS
}
871 /* basic Alpha formats */
873 { GL_ALPHA12
, GL_ALPHA16
, 0 },
874 { PIPE_FORMAT_A16_UNORM
, PIPE_FORMAT_A8_UNORM
,
875 DEFAULT_RGBA_FORMATS
}
878 { GL_ALPHA
, GL_ALPHA4
, GL_ALPHA8
, GL_COMPRESSED_ALPHA
, 0 },
879 { PIPE_FORMAT_A8_UNORM
, DEFAULT_RGBA_FORMATS
}
882 /* basic Luminance formats */
884 { GL_LUMINANCE12
, GL_LUMINANCE16
, 0 },
885 { PIPE_FORMAT_L16_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
888 { 1, GL_LUMINANCE
, GL_LUMINANCE4
, GL_LUMINANCE8
, 0 },
889 { PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
892 /* basic Luminance/Alpha formats */
894 { GL_LUMINANCE12_ALPHA4
, GL_LUMINANCE12_ALPHA12
,
895 GL_LUMINANCE16_ALPHA16
, 0},
896 { PIPE_FORMAT_L16A16_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
897 DEFAULT_RGBA_FORMATS
}
900 { 2, GL_LUMINANCE_ALPHA
, GL_LUMINANCE6_ALPHA2
, GL_LUMINANCE8_ALPHA8
, 0 },
901 { PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
904 { GL_LUMINANCE4_ALPHA4
, 0 },
905 { PIPE_FORMAT_L4A4_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
906 DEFAULT_RGBA_FORMATS
}
909 /* basic Intensity formats */
911 { GL_INTENSITY12
, GL_INTENSITY16
, 0 },
912 { PIPE_FORMAT_I16_UNORM
, PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
915 { GL_INTENSITY
, GL_INTENSITY4
, GL_INTENSITY8
,
916 GL_COMPRESSED_INTENSITY
, 0 },
917 { PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
922 { GL_YCBCR_MESA
, 0 },
923 { PIPE_FORMAT_UYVY
, PIPE_FORMAT_YUYV
, 0 }
926 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
928 { GL_COMPRESSED_RGB
, 0 },
929 { PIPE_FORMAT_DXT1_RGB
, DEFAULT_RGB_FORMATS
}
932 { GL_COMPRESSED_RGBA
, 0 },
933 { PIPE_FORMAT_DXT5_RGBA
, DEFAULT_RGBA_FORMATS
}
936 { GL_RGB_S3TC
, GL_RGB4_S3TC
, GL_COMPRESSED_RGB_S3TC_DXT1_EXT
, 0 },
937 { PIPE_FORMAT_DXT1_RGB
, 0 }
940 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
, 0 },
941 { PIPE_FORMAT_DXT1_RGBA
, 0 }
944 { GL_RGBA_S3TC
, GL_RGBA4_S3TC
, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
, 0 },
945 { PIPE_FORMAT_DXT3_RGBA
, 0 }
948 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
, 0 },
949 { PIPE_FORMAT_DXT5_RGBA
, 0 }
954 { GL_COMPRESSED_RGB_FXT1_3DFX
, 0 },
955 { PIPE_FORMAT_RGB_FXT1
, 0 }
958 { GL_COMPRESSED_RGBA_FXT1_3DFX
, 0 },
959 { PIPE_FORMAT_RGBA_FXT1
, 0 }
965 { GL_DEPTH_COMPONENT16
, 0 },
966 { PIPE_FORMAT_Z16_UNORM
, DEFAULT_DEPTH_FORMATS
}
969 { GL_DEPTH_COMPONENT24
, 0 },
970 { PIPE_FORMAT_Z24X8_UNORM
, PIPE_FORMAT_X8Z24_UNORM
,
971 DEFAULT_DEPTH_FORMATS
}
974 { GL_DEPTH_COMPONENT32
, 0 },
975 { PIPE_FORMAT_Z32_UNORM
, DEFAULT_DEPTH_FORMATS
}
978 { GL_DEPTH_COMPONENT
, 0 },
979 { DEFAULT_DEPTH_FORMATS
}
982 { GL_DEPTH_COMPONENT32F
, 0 },
983 { PIPE_FORMAT_Z32_FLOAT
, 0 }
986 /* stencil formats */
988 { GL_STENCIL_INDEX
, GL_STENCIL_INDEX1_EXT
, GL_STENCIL_INDEX4_EXT
,
989 GL_STENCIL_INDEX8_EXT
, GL_STENCIL_INDEX16_EXT
, 0 },
991 PIPE_FORMAT_S8_UINT
, PIPE_FORMAT_Z24_UNORM_S8_UINT
,
992 PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0
996 /* Depth / Stencil formats */
998 { GL_DEPTH_STENCIL_EXT
, GL_DEPTH24_STENCIL8_EXT
, 0 },
999 { PIPE_FORMAT_Z24_UNORM_S8_UINT
, PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0 }
1002 { GL_DEPTH32F_STENCIL8
, 0 },
1003 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
, 0 }
1008 { GL_SRGB_EXT
, GL_SRGB8_EXT
, GL_SRGB_ALPHA_EXT
, GL_SRGB8_ALPHA8_EXT
, 0 },
1009 { DEFAULT_SRGBA_FORMATS
}
1012 { GL_COMPRESSED_SRGB_EXT
, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
, 0 },
1013 { PIPE_FORMAT_DXT1_SRGB
, DEFAULT_SRGBA_FORMATS
}
1016 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
, 0 },
1017 { PIPE_FORMAT_DXT1_SRGBA
, 0 }
1020 { GL_COMPRESSED_SRGB_ALPHA_EXT
,
1021 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
, 0 },
1022 { PIPE_FORMAT_DXT3_SRGBA
, DEFAULT_SRGBA_FORMATS
}
1025 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
, 0 },
1026 { PIPE_FORMAT_DXT5_SRGBA
, 0 }
1029 { GL_SLUMINANCE_ALPHA_EXT
, GL_SLUMINANCE8_ALPHA8_EXT
,
1030 GL_COMPRESSED_SLUMINANCE_EXT
, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
, 0 },
1031 { PIPE_FORMAT_L8A8_SRGB
, DEFAULT_SRGBA_FORMATS
}
1034 { GL_SLUMINANCE_EXT
, GL_SLUMINANCE8_EXT
, 0 },
1035 { PIPE_FORMAT_L8_SRGB
, DEFAULT_SRGBA_FORMATS
}
1038 /* 16-bit float formats */
1040 { GL_RGBA16F_ARB
, 0 },
1041 { PIPE_FORMAT_R16G16B16A16_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1044 { GL_RGB16F_ARB
, 0 },
1045 { PIPE_FORMAT_R16G16B16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1046 PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1049 { GL_LUMINANCE_ALPHA16F_ARB
, 0 },
1050 { PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1051 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1054 { GL_ALPHA16F_ARB
, 0 },
1055 { PIPE_FORMAT_A16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1056 PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1057 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1060 { GL_INTENSITY16F_ARB
, 0 },
1061 { PIPE_FORMAT_I16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1062 PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1063 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1066 { GL_LUMINANCE16F_ARB
, 0 },
1067 { PIPE_FORMAT_L16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1068 PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1069 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1073 { PIPE_FORMAT_R16_FLOAT
, PIPE_FORMAT_R16G16_FLOAT
,
1074 PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1075 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1079 { PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1080 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1083 /* 32-bit float formats */
1085 { GL_RGBA32F_ARB
, 0 },
1086 { PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1089 { GL_RGB32F_ARB
, 0 },
1090 { PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1091 PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1094 { GL_LUMINANCE_ALPHA32F_ARB
, 0 },
1095 { PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1096 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1099 { GL_ALPHA32F_ARB
, 0 },
1100 { PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1101 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_A16_FLOAT
,
1102 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1105 { GL_INTENSITY32F_ARB
, 0 },
1106 { PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1107 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_I16_FLOAT
,
1108 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1111 { GL_LUMINANCE32F_ARB
, 0 },
1112 { PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1113 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_L16_FLOAT
,
1114 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1118 { PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R32G32_FLOAT
,
1119 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16_FLOAT
,
1120 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1124 { PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1125 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1130 { GL_RED
, GL_R8
, 0 },
1131 { PIPE_FORMAT_R8_UNORM
, 0 }
1134 { GL_RG
, GL_RG8
, 0 },
1135 { PIPE_FORMAT_R8G8_UNORM
, 0 }
1139 { PIPE_FORMAT_R16_UNORM
, 0 }
1143 { PIPE_FORMAT_R16G16_UNORM
, 0 }
1146 /* compressed R, RG formats */
1148 { GL_COMPRESSED_RED
, GL_COMPRESSED_RED_RGTC1
, 0 },
1149 { PIPE_FORMAT_RGTC1_UNORM
, PIPE_FORMAT_R8_UNORM
, 0 }
1152 { GL_COMPRESSED_SIGNED_RED_RGTC1
, 0 },
1153 { PIPE_FORMAT_RGTC1_SNORM
, 0 }
1156 { GL_COMPRESSED_RG
, GL_COMPRESSED_RG_RGTC2
, 0 },
1157 { PIPE_FORMAT_RGTC2_UNORM
, PIPE_FORMAT_R8G8_UNORM
, 0 }
1160 { GL_COMPRESSED_SIGNED_RG_RGTC2
, 0 },
1161 { PIPE_FORMAT_RGTC2_SNORM
, 0 }
1164 { GL_COMPRESSED_LUMINANCE
, GL_COMPRESSED_LUMINANCE_LATC1_EXT
, 0 },
1165 { PIPE_FORMAT_LATC1_UNORM
, PIPE_FORMAT_L8_UNORM
, 0 }
1168 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
, 0 },
1169 { PIPE_FORMAT_LATC1_SNORM
, 0 }
1172 { GL_COMPRESSED_LUMINANCE_ALPHA
, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
,
1173 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
, 0 },
1174 { PIPE_FORMAT_LATC2_UNORM
, PIPE_FORMAT_L8A8_UNORM
, 0 }
1177 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
, 0 },
1178 { PIPE_FORMAT_LATC2_SNORM
, 0 }
1181 /* signed/unsigned integer formats.
1184 { GL_RED_INTEGER_EXT
,
1185 GL_GREEN_INTEGER_EXT
,
1186 GL_BLUE_INTEGER_EXT
,
1187 GL_RGBA_INTEGER_EXT
,
1188 GL_BGRA_INTEGER_EXT
,
1190 { PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1193 { GL_RGB_INTEGER_EXT
,
1196 { PIPE_FORMAT_R8G8B8_SINT
,
1197 PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1200 { GL_ALPHA_INTEGER_EXT
,
1201 GL_ALPHA8I_EXT
, 0 },
1202 { PIPE_FORMAT_A8_SINT
, 0 }
1205 { GL_ALPHA16I_EXT
, 0 },
1206 { PIPE_FORMAT_A16_SINT
, 0 }
1209 { GL_ALPHA32I_EXT
, 0 },
1210 { PIPE_FORMAT_A32_SINT
, 0 }
1213 { GL_ALPHA8UI_EXT
, 0 },
1214 { PIPE_FORMAT_A8_UINT
, 0 }
1217 { GL_ALPHA16UI_EXT
, 0 },
1218 { PIPE_FORMAT_A16_UINT
, 0 }
1221 { GL_ALPHA32UI_EXT
, 0 },
1222 { PIPE_FORMAT_A32_UINT
, 0 }
1225 { GL_INTENSITY8I_EXT
, 0 },
1226 { PIPE_FORMAT_I8_SINT
, 0 }
1229 { GL_INTENSITY16I_EXT
, 0 },
1230 { PIPE_FORMAT_I16_SINT
, 0 }
1233 { GL_INTENSITY32I_EXT
, 0 },
1234 { PIPE_FORMAT_I32_SINT
, 0 }
1237 { GL_INTENSITY8UI_EXT
, 0 },
1238 { PIPE_FORMAT_I8_UINT
, 0 }
1241 { GL_INTENSITY16UI_EXT
, 0 },
1242 { PIPE_FORMAT_I16_UINT
, 0 }
1245 { GL_INTENSITY32UI_EXT
, 0 },
1246 { PIPE_FORMAT_I32_UINT
, 0 }
1249 { GL_LUMINANCE8I_EXT
, 0 },
1250 { PIPE_FORMAT_L8_SINT
, 0 }
1253 { GL_LUMINANCE16I_EXT
, 0 },
1254 { PIPE_FORMAT_L16_SINT
, 0 }
1257 { GL_LUMINANCE32I_EXT
, 0 },
1258 { PIPE_FORMAT_L32_SINT
, 0 }
1261 { GL_LUMINANCE_INTEGER_EXT
,
1262 GL_LUMINANCE8UI_EXT
, 0 },
1263 { PIPE_FORMAT_L8_UINT
, 0 }
1266 { GL_LUMINANCE16UI_EXT
, 0 },
1267 { PIPE_FORMAT_L16_UINT
, 0 }
1270 { GL_LUMINANCE32UI_EXT
, 0 },
1271 { PIPE_FORMAT_L32_UINT
, 0 }
1274 { GL_LUMINANCE_ALPHA_INTEGER_EXT
,
1275 GL_LUMINANCE_ALPHA8I_EXT
, 0 },
1276 { PIPE_FORMAT_L8A8_SINT
, 0 }
1279 { GL_LUMINANCE_ALPHA16I_EXT
, 0 },
1280 { PIPE_FORMAT_L16A16_SINT
, 0 }
1283 { GL_LUMINANCE_ALPHA32I_EXT
, 0 },
1284 { PIPE_FORMAT_L32A32_SINT
, 0 }
1287 { GL_LUMINANCE_ALPHA8UI_EXT
, 0 },
1288 { PIPE_FORMAT_L8A8_UINT
, 0 }
1291 { GL_LUMINANCE_ALPHA16UI_EXT
, 0 },
1292 { PIPE_FORMAT_L16A16_UINT
, 0 }
1295 { GL_LUMINANCE_ALPHA32UI_EXT
, 0 },
1296 { PIPE_FORMAT_L32A32_UINT
, 0 }
1299 { GL_RGB16I_EXT
, 0 },
1300 { PIPE_FORMAT_R16G16B16_SINT
,
1301 PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1304 { GL_RGBA16I_EXT
, 0 },
1305 { PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1308 { GL_RGB32I_EXT
, 0 },
1309 { PIPE_FORMAT_R32G32B32_SINT
,
1310 PIPE_FORMAT_R32G32B32A32_SINT
, 0 },
1313 { GL_RGBA32I_EXT
, 0 },
1314 { PIPE_FORMAT_R32G32B32A32_SINT
, 0 }
1317 { GL_RGBA8UI_EXT
, 0 },
1318 { PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1321 { GL_RGB8UI_EXT
, 0 },
1322 { PIPE_FORMAT_R8G8B8_UINT
,
1323 PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1326 { GL_RGB16UI_EXT
, 0 },
1327 { PIPE_FORMAT_R16G16B16_UINT
,
1328 PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1331 { GL_RGBA16UI_EXT
, 0 },
1332 { PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1335 { GL_RGB32UI_EXT
, 0},
1336 { PIPE_FORMAT_R32G32B32_UINT
,
1337 PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1340 { GL_RGBA32UI_EXT
, 0},
1341 { PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1345 { PIPE_FORMAT_R8_SINT
, 0},
1349 { PIPE_FORMAT_R16_SINT
, 0},
1353 { PIPE_FORMAT_R32_SINT
, 0},
1357 { PIPE_FORMAT_R8_UINT
, 0},
1361 { PIPE_FORMAT_R16_UINT
, 0},
1365 { PIPE_FORMAT_R32_UINT
, 0},
1369 { PIPE_FORMAT_R8G8_SINT
, 0},
1373 { PIPE_FORMAT_R16G16_SINT
, 0},
1377 { PIPE_FORMAT_R32G32_SINT
, 0},
1381 { PIPE_FORMAT_R8G8_UINT
, 0},
1385 { PIPE_FORMAT_R16G16_UINT
, 0},
1389 { PIPE_FORMAT_R32G32_UINT
, 0},
1391 /* signed normalized formats */
1393 { GL_RED_SNORM
, GL_R8_SNORM
, 0 },
1394 { PIPE_FORMAT_R8_SNORM
, PIPE_FORMAT_R8G8_SNORM
,
1395 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1398 { GL_R16_SNORM
, 0 },
1399 { PIPE_FORMAT_R16_SNORM
,
1400 PIPE_FORMAT_R16G16_SNORM
,
1401 PIPE_FORMAT_R16G16B16A16_SNORM
,
1402 PIPE_FORMAT_R8_SNORM
,
1403 PIPE_FORMAT_R8G8_SNORM
,
1404 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1407 { GL_RG_SNORM
, GL_RG8_SNORM
, 0 },
1408 { PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1411 { GL_RG16_SNORM
, 0 },
1412 { PIPE_FORMAT_R16G16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1413 PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1416 { GL_RGB_SNORM
, GL_RGB8_SNORM
, GL_RGBA_SNORM
, GL_RGBA8_SNORM
, 0 },
1417 { PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1420 { GL_RGB16_SNORM
, GL_RGBA16_SNORM
, 0 },
1421 { PIPE_FORMAT_R16G16B16A16_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1424 { GL_ALPHA_SNORM
, GL_ALPHA8_SNORM
, 0 },
1425 { PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1428 { GL_ALPHA16_SNORM
, 0 },
1429 { PIPE_FORMAT_A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1430 PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1433 { GL_LUMINANCE_SNORM
, GL_LUMINANCE8_SNORM
, 0 },
1434 { PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1437 { GL_LUMINANCE16_SNORM
, 0 },
1438 { PIPE_FORMAT_L16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1439 PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1442 { GL_LUMINANCE_ALPHA_SNORM
, GL_LUMINANCE8_ALPHA8_SNORM
, 0 },
1443 { PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1446 { GL_LUMINANCE16_ALPHA16_SNORM
, 0 },
1447 { PIPE_FORMAT_L16A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1448 PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1451 { GL_INTENSITY_SNORM
, GL_INTENSITY8_SNORM
, 0 },
1452 { PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1455 { GL_INTENSITY16_SNORM
, 0 },
1456 { PIPE_FORMAT_I16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1457 PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1461 { PIPE_FORMAT_R9G9B9E5_FLOAT
, 0 }
1464 { GL_R11F_G11F_B10F
, 0 },
1465 { PIPE_FORMAT_R11G11B10_FLOAT
, 0 }
1471 * Return first supported format from the given list.
1473 static enum pipe_format
1474 find_supported_format(struct pipe_screen
*screen
,
1475 const enum pipe_format formats
[],
1476 enum pipe_texture_target target
,
1477 unsigned sample_count
,
1481 for (i
= 0; formats
[i
]; i
++) {
1482 if (screen
->is_format_supported(screen
, formats
[i
], target
,
1483 sample_count
, tex_usage
)) {
1487 return PIPE_FORMAT_NONE
;
1490 struct exact_format_mapping
1494 enum pipe_format pformat
;
1497 static const struct exact_format_mapping rgba8888_tbl
[] =
1499 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1500 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1501 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1502 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1503 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8R8G8B8_UNORM
},
1504 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1505 { GL_RGBA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1506 { GL_ABGR_EXT
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1507 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1511 static const struct exact_format_mapping rgbx8888_tbl
[] =
1513 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_X8R8G8B8_UNORM
},
1514 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1515 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1516 /* No Mesa formats for these Gallium formats:
1517 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
1518 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
1519 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
1520 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
1521 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1522 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1527 static const struct exact_format_mapping rgba1010102_tbl
[] =
1529 { GL_BGRA
, GL_UNSIGNED_INT_2_10_10_10_REV
, PIPE_FORMAT_B10G10R10A2_UNORM
},
1530 /* No Mesa formats for these Gallium formats:
1531 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1532 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1533 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1539 * If there is an exact pipe_format match for {internalFormat, format, type}
1540 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1542 static enum pipe_format
1543 find_exact_format(GLint internalFormat
, GLenum format
, GLenum type
)
1546 const struct exact_format_mapping
* tbl
;
1548 if (format
== GL_NONE
|| type
== GL_NONE
)
1549 return PIPE_FORMAT_NONE
;
1551 switch (internalFormat
) {
1563 tbl
= rgba1010102_tbl
;
1566 return PIPE_FORMAT_NONE
;
1569 for (i
= 0; tbl
[i
].format
; i
++)
1570 if (tbl
[i
].format
== format
&& tbl
[i
].type
== type
)
1571 return tbl
[i
].pformat
;
1573 return PIPE_FORMAT_NONE
;
1577 * Given an OpenGL internalFormat value for a texture or surface, return
1578 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1579 * This is called during glTexImage2D, for example.
1581 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1582 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1583 * we want render-to-texture ability.
1585 * \param internalFormat the user value passed to glTexImage2D
1586 * \param target one of PIPE_TEXTURE_x
1587 * \param bindings bitmask of PIPE_BIND_x flags.
1590 st_choose_format(struct pipe_screen
*screen
, GLenum internalFormat
,
1591 GLenum format
, GLenum type
,
1592 enum pipe_texture_target target
, unsigned sample_count
,
1595 GET_CURRENT_CONTEXT(ctx
); /* XXX this should be a function parameter */
1597 enum pipe_format pf
;
1599 /* can't render to compressed formats at this time */
1600 if (_mesa_is_compressed_format(ctx
, internalFormat
)
1601 && (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)) {
1602 return PIPE_FORMAT_NONE
;
1605 /* search for exact matches */
1606 pf
= find_exact_format(internalFormat
, format
, type
);
1607 if (pf
!= PIPE_FORMAT_NONE
&&
1608 screen
->is_format_supported(screen
, pf
,
1609 target
, sample_count
, bindings
))
1612 /* search table for internalFormat */
1613 for (i
= 0; i
< Elements(format_map
); i
++) {
1614 const struct format_mapping
*mapping
= &format_map
[i
];
1615 for (j
= 0; mapping
->glFormats
[j
]; j
++) {
1616 if (mapping
->glFormats
[j
] == internalFormat
) {
1617 /* Found the desired internal format. Find first pipe format
1618 * which is supported by the driver.
1620 return find_supported_format(screen
, mapping
->pipeFormats
,
1621 target
, sample_count
, bindings
);
1626 _mesa_problem(NULL
, "unhandled format!\n");
1627 return PIPE_FORMAT_NONE
;
1632 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1635 st_choose_renderbuffer_format(struct pipe_screen
*screen
,
1636 GLenum internalFormat
, unsigned sample_count
)
1639 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1640 usage
= PIPE_BIND_DEPTH_STENCIL
;
1642 usage
= PIPE_BIND_RENDER_TARGET
;
1643 return st_choose_format(screen
, internalFormat
, GL_NONE
, GL_NONE
, PIPE_TEXTURE_2D
,
1644 sample_count
, usage
);
1649 st_ChooseTextureFormat_renderable(struct gl_context
*ctx
, GLint internalFormat
,
1650 GLenum format
, GLenum type
, GLboolean renderable
)
1652 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
1653 enum pipe_format pFormat
;
1659 /* GL textures may wind up being render targets, but we don't know
1660 * that in advance. Specify potential render target flags now.
1662 bindings
= PIPE_BIND_SAMPLER_VIEW
;
1664 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1665 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1667 bindings
|= PIPE_BIND_RENDER_TARGET
;
1670 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1671 PIPE_TEXTURE_2D
, 0, bindings
);
1673 if (pFormat
== PIPE_FORMAT_NONE
) {
1674 /* try choosing format again, this time without render target bindings */
1675 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1676 PIPE_TEXTURE_2D
, 0, PIPE_BIND_SAMPLER_VIEW
);
1679 if (pFormat
== PIPE_FORMAT_NONE
) {
1680 /* no luck at all */
1681 return MESA_FORMAT_NONE
;
1684 return st_pipe_format_to_mesa_format(pFormat
);
1689 * Called via ctx->Driver.ChooseTextureFormat().
1692 st_ChooseTextureFormat(struct gl_context
*ctx
, GLint internalFormat
,
1693 GLenum format
, GLenum type
)
1695 boolean want_renderable
=
1696 internalFormat
== 3 || internalFormat
== 4 ||
1697 internalFormat
== GL_RGB
|| internalFormat
== GL_RGBA
||
1698 internalFormat
== GL_RGB8
|| internalFormat
== GL_RGBA8
||
1699 internalFormat
== GL_BGRA
;
1701 return st_ChooseTextureFormat_renderable(ctx
, internalFormat
,
1702 format
, type
, want_renderable
);
1706 * Test if a gallium format is equivalent to a GL format/type.
1709 st_equal_formats(enum pipe_format pFormat
, GLenum format
, GLenum type
)
1712 case PIPE_FORMAT_A8B8G8R8_UNORM
:
1713 return format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
;
1714 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1715 return format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
;
1716 case PIPE_FORMAT_B5G6R5_UNORM
:
1717 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
;
1718 /* XXX more combos... */
1725 st_sampler_compat_formats(enum pipe_format format1
, enum pipe_format format2
)
1727 if (format1
== format2
)
1730 if (format1
== PIPE_FORMAT_B8G8R8A8_UNORM
&&
1731 format2
== PIPE_FORMAT_B8G8R8X8_UNORM
)
1734 if (format1
== PIPE_FORMAT_B8G8R8X8_UNORM
&&
1735 format2
== PIPE_FORMAT_B8G8R8A8_UNORM
)
1738 if (format1
== PIPE_FORMAT_A8B8G8R8_UNORM
&&
1739 format2
== PIPE_FORMAT_X8B8G8R8_UNORM
)
1742 if (format1
== PIPE_FORMAT_X8B8G8R8_UNORM
&&
1743 format2
== PIPE_FORMAT_A8B8G8R8_UNORM
)
1746 if (format1
== PIPE_FORMAT_A8R8G8B8_UNORM
&&
1747 format2
== PIPE_FORMAT_X8R8G8B8_UNORM
)
1750 if (format1
== PIPE_FORMAT_X8R8G8B8_UNORM
&&
1751 format2
== PIPE_FORMAT_A8R8G8B8_UNORM
)
1760 * This is used for translating texture border color and the clear
1761 * color. For example, the clear color is interpreted according to
1762 * the renderbuffer's base format. For example, if clearing a
1763 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1764 * colorOut[2] = colorIn[0].
1765 * Similarly for texture border colors.
1768 st_translate_color(const GLfloat colorIn
[4], GLenum baseFormat
,
1769 GLfloat colorOut
[4])
1771 switch (baseFormat
) {
1773 colorOut
[0] = colorIn
[0];
1779 colorOut
[0] = colorIn
[0];
1780 colorOut
[1] = colorIn
[1];
1785 colorOut
[0] = colorIn
[0];
1786 colorOut
[1] = colorIn
[1];
1787 colorOut
[2] = colorIn
[2];
1791 colorOut
[0] = colorOut
[1] = colorOut
[2] = 0.0;
1792 colorOut
[3] = colorIn
[3];
1795 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1798 case GL_LUMINANCE_ALPHA
:
1799 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1800 colorOut
[3] = colorIn
[3];
1803 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorOut
[3] = colorIn
[0];
1806 COPY_4V(colorOut
, colorIn
);