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_USCALED
||
93 format
== PIPE_FORMAT_S8_USCALED_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_USCALED
) {
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_USCALED_Z24_UNORM
;
203 case MESA_FORMAT_S8_Z24
:
204 return PIPE_FORMAT_Z24_UNORM_S8_USCALED
;
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_USCALED
;
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_USCALED
;
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_RGBA_INT8
:
295 return PIPE_FORMAT_R8G8B8A8_SSCALED
;
296 case MESA_FORMAT_RGBA_INT16
:
297 return PIPE_FORMAT_R16G16B16A16_SSCALED
;
298 case MESA_FORMAT_RGBA_INT32
:
299 return PIPE_FORMAT_R32G32B32A32_SSCALED
;
301 /* unsigned int formats */
302 case MESA_FORMAT_RGBA_UINT8
:
303 return PIPE_FORMAT_R8G8B8A8_USCALED
;
304 case MESA_FORMAT_RGBA_UINT16
:
305 return PIPE_FORMAT_R16G16B16A16_USCALED
;
306 case MESA_FORMAT_RGBA_UINT32
:
307 return PIPE_FORMAT_R32G32B32A32_USCALED
;
309 case MESA_FORMAT_RED_RGTC1
:
310 return PIPE_FORMAT_RGTC1_UNORM
;
311 case MESA_FORMAT_SIGNED_RED_RGTC1
:
312 return PIPE_FORMAT_RGTC1_SNORM
;
313 case MESA_FORMAT_RG_RGTC2
:
314 return PIPE_FORMAT_RGTC2_UNORM
;
315 case MESA_FORMAT_SIGNED_RG_RGTC2
:
316 return PIPE_FORMAT_RGTC2_SNORM
;
318 case MESA_FORMAT_L_LATC1
:
319 return PIPE_FORMAT_LATC1_UNORM
;
320 case MESA_FORMAT_SIGNED_L_LATC1
:
321 return PIPE_FORMAT_LATC1_SNORM
;
322 case MESA_FORMAT_LA_LATC2
:
323 return PIPE_FORMAT_LATC2_UNORM
;
324 case MESA_FORMAT_SIGNED_LA_LATC2
:
325 return PIPE_FORMAT_LATC2_SNORM
;
327 /* signed normalized formats */
328 case MESA_FORMAT_SIGNED_R8
:
329 return PIPE_FORMAT_R8_SNORM
;
330 case MESA_FORMAT_SIGNED_RG88_REV
:
331 return PIPE_FORMAT_R8G8_SNORM
;
332 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
333 return PIPE_FORMAT_R8G8B8A8_SNORM
;
335 case MESA_FORMAT_SIGNED_A8
:
336 return PIPE_FORMAT_A8_SNORM
;
337 case MESA_FORMAT_SIGNED_L8
:
338 return PIPE_FORMAT_L8_SNORM
;
339 case MESA_FORMAT_SIGNED_AL88
:
340 return PIPE_FORMAT_L8A8_SNORM
;
341 case MESA_FORMAT_SIGNED_I8
:
342 return PIPE_FORMAT_I8_SNORM
;
344 case MESA_FORMAT_SIGNED_R16
:
345 return PIPE_FORMAT_R16_SNORM
;
346 case MESA_FORMAT_SIGNED_GR1616
:
347 return PIPE_FORMAT_R16G16_SNORM
;
348 case MESA_FORMAT_SIGNED_RGBA_16
:
349 return PIPE_FORMAT_R16G16B16A16_SNORM
;
351 case MESA_FORMAT_SIGNED_A16
:
352 return PIPE_FORMAT_A16_SNORM
;
353 case MESA_FORMAT_SIGNED_L16
:
354 return PIPE_FORMAT_L16_SNORM
;
355 case MESA_FORMAT_SIGNED_AL1616
:
356 return PIPE_FORMAT_L16A16_SNORM
;
357 case MESA_FORMAT_SIGNED_I16
:
358 return PIPE_FORMAT_I16_SNORM
;
360 case MESA_FORMAT_RGB9_E5_FLOAT
:
361 return PIPE_FORMAT_R9G9B9E5_FLOAT
;
362 case MESA_FORMAT_R11_G11_B10_FLOAT
:
363 return PIPE_FORMAT_R11G11B10_FLOAT
;
367 return PIPE_FORMAT_NONE
;
373 * Translate Gallium format to Mesa format.
376 st_pipe_format_to_mesa_format(enum pipe_format format
)
379 case PIPE_FORMAT_A8B8G8R8_UNORM
:
380 return MESA_FORMAT_RGBA8888
;
381 case PIPE_FORMAT_R8G8B8A8_UNORM
:
382 return MESA_FORMAT_RGBA8888_REV
;
383 case PIPE_FORMAT_B8G8R8A8_UNORM
:
384 return MESA_FORMAT_ARGB8888
;
385 case PIPE_FORMAT_A8R8G8B8_UNORM
:
386 return MESA_FORMAT_ARGB8888_REV
;
387 case PIPE_FORMAT_B8G8R8X8_UNORM
:
388 return MESA_FORMAT_XRGB8888
;
389 case PIPE_FORMAT_X8R8G8B8_UNORM
:
390 return MESA_FORMAT_XRGB8888_REV
;
391 case PIPE_FORMAT_B5G5R5A1_UNORM
:
392 return MESA_FORMAT_ARGB1555
;
393 case PIPE_FORMAT_B4G4R4A4_UNORM
:
394 return MESA_FORMAT_ARGB4444
;
395 case PIPE_FORMAT_B5G6R5_UNORM
:
396 return MESA_FORMAT_RGB565
;
397 case PIPE_FORMAT_B2G3R3_UNORM
:
398 return MESA_FORMAT_RGB332
;
399 case PIPE_FORMAT_B10G10R10A2_UNORM
:
400 return MESA_FORMAT_ARGB2101010
;
401 case PIPE_FORMAT_L4A4_UNORM
:
402 return MESA_FORMAT_AL44
;
403 case PIPE_FORMAT_L8A8_UNORM
:
404 return MESA_FORMAT_AL88
;
405 case PIPE_FORMAT_L16A16_UNORM
:
406 return MESA_FORMAT_AL1616
;
407 case PIPE_FORMAT_A8_UNORM
:
408 return MESA_FORMAT_A8
;
409 case PIPE_FORMAT_A16_UNORM
:
410 return MESA_FORMAT_A16
;
411 case PIPE_FORMAT_L8_UNORM
:
412 return MESA_FORMAT_L8
;
413 case PIPE_FORMAT_L16_UNORM
:
414 return MESA_FORMAT_L16
;
415 case PIPE_FORMAT_I8_UNORM
:
416 return MESA_FORMAT_I8
;
417 case PIPE_FORMAT_I16_UNORM
:
418 return MESA_FORMAT_I16
;
419 case PIPE_FORMAT_S8_USCALED
:
420 return MESA_FORMAT_S8
;
422 case PIPE_FORMAT_R16G16B16A16_UNORM
:
423 return MESA_FORMAT_RGBA_16
;
425 case PIPE_FORMAT_Z16_UNORM
:
426 return MESA_FORMAT_Z16
;
427 case PIPE_FORMAT_Z32_UNORM
:
428 return MESA_FORMAT_Z32
;
429 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
430 return MESA_FORMAT_Z24_S8
;
431 case PIPE_FORMAT_X8Z24_UNORM
:
432 return MESA_FORMAT_Z24_X8
;
433 case PIPE_FORMAT_Z24X8_UNORM
:
434 return MESA_FORMAT_X8_Z24
;
435 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
436 return MESA_FORMAT_S8_Z24
;
437 case PIPE_FORMAT_Z32_FLOAT
:
438 return MESA_FORMAT_Z32_FLOAT
;
439 case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED
:
440 return MESA_FORMAT_Z32_FLOAT_X24S8
;
442 case PIPE_FORMAT_UYVY
:
443 return MESA_FORMAT_YCBCR
;
444 case PIPE_FORMAT_YUYV
:
445 return MESA_FORMAT_YCBCR_REV
;
447 #if FEATURE_texture_s3tc
448 case PIPE_FORMAT_DXT1_RGB
:
449 return MESA_FORMAT_RGB_DXT1
;
450 case PIPE_FORMAT_DXT1_RGBA
:
451 return MESA_FORMAT_RGBA_DXT1
;
452 case PIPE_FORMAT_DXT3_RGBA
:
453 return MESA_FORMAT_RGBA_DXT3
;
454 case PIPE_FORMAT_DXT5_RGBA
:
455 return MESA_FORMAT_RGBA_DXT5
;
456 #if FEATURE_EXT_texture_sRGB
457 case PIPE_FORMAT_DXT1_SRGB
:
458 return MESA_FORMAT_SRGB_DXT1
;
459 case PIPE_FORMAT_DXT1_SRGBA
:
460 return MESA_FORMAT_SRGBA_DXT1
;
461 case PIPE_FORMAT_DXT3_SRGBA
:
462 return MESA_FORMAT_SRGBA_DXT3
;
463 case PIPE_FORMAT_DXT5_SRGBA
:
464 return MESA_FORMAT_SRGBA_DXT5
;
468 #if FEATURE_EXT_texture_sRGB
469 case PIPE_FORMAT_L8A8_SRGB
:
470 return MESA_FORMAT_SLA8
;
471 case PIPE_FORMAT_L8_SRGB
:
472 return MESA_FORMAT_SL8
;
473 case PIPE_FORMAT_R8G8B8_SRGB
:
474 return MESA_FORMAT_SRGB8
;
475 case PIPE_FORMAT_A8B8G8R8_SRGB
:
476 return MESA_FORMAT_SRGBA8
;
477 case PIPE_FORMAT_B8G8R8A8_SRGB
:
478 return MESA_FORMAT_SARGB8
;
480 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
481 return MESA_FORMAT_RGBA_FLOAT32
;
482 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
483 return MESA_FORMAT_RGBA_FLOAT16
;
484 case PIPE_FORMAT_R32G32B32_FLOAT
:
485 return MESA_FORMAT_RGB_FLOAT32
;
486 case PIPE_FORMAT_R16G16B16_FLOAT
:
487 return MESA_FORMAT_RGB_FLOAT16
;
488 case PIPE_FORMAT_L32A32_FLOAT
:
489 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
;
490 case PIPE_FORMAT_L16A16_FLOAT
:
491 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
;
492 case PIPE_FORMAT_L32_FLOAT
:
493 return MESA_FORMAT_LUMINANCE_FLOAT32
;
494 case PIPE_FORMAT_L16_FLOAT
:
495 return MESA_FORMAT_LUMINANCE_FLOAT16
;
496 case PIPE_FORMAT_A32_FLOAT
:
497 return MESA_FORMAT_ALPHA_FLOAT32
;
498 case PIPE_FORMAT_A16_FLOAT
:
499 return MESA_FORMAT_ALPHA_FLOAT16
;
500 case PIPE_FORMAT_I32_FLOAT
:
501 return MESA_FORMAT_INTENSITY_FLOAT32
;
502 case PIPE_FORMAT_I16_FLOAT
:
503 return MESA_FORMAT_INTENSITY_FLOAT16
;
504 case PIPE_FORMAT_R32_FLOAT
:
505 return MESA_FORMAT_R_FLOAT32
;
506 case PIPE_FORMAT_R16_FLOAT
:
507 return MESA_FORMAT_R_FLOAT16
;
508 case PIPE_FORMAT_R32G32_FLOAT
:
509 return MESA_FORMAT_RG_FLOAT32
;
510 case PIPE_FORMAT_R16G16_FLOAT
:
511 return MESA_FORMAT_RG_FLOAT16
;
513 case PIPE_FORMAT_R8_UNORM
:
514 return MESA_FORMAT_R8
;
515 case PIPE_FORMAT_R16_UNORM
:
516 return MESA_FORMAT_R16
;
517 case PIPE_FORMAT_R8G8_UNORM
:
518 return MESA_FORMAT_RG88
;
519 case PIPE_FORMAT_R16G16_UNORM
:
520 return MESA_FORMAT_RG1616
;
522 /* signed int formats */
523 case PIPE_FORMAT_R8G8B8A8_SSCALED
:
524 return MESA_FORMAT_RGBA_INT8
;
525 case PIPE_FORMAT_R16G16B16A16_SSCALED
:
526 return MESA_FORMAT_RGBA_INT16
;
527 case PIPE_FORMAT_R32G32B32A32_SSCALED
:
528 return MESA_FORMAT_RGBA_INT32
;
530 /* unsigned int formats */
531 case PIPE_FORMAT_R8G8B8A8_USCALED
:
532 return MESA_FORMAT_RGBA_UINT8
;
533 case PIPE_FORMAT_R16G16B16A16_USCALED
:
534 return MESA_FORMAT_RGBA_UINT16
;
535 case PIPE_FORMAT_R32G32B32A32_USCALED
:
536 return MESA_FORMAT_RGBA_UINT32
;
538 case PIPE_FORMAT_RGTC1_UNORM
:
539 return MESA_FORMAT_RED_RGTC1
;
540 case PIPE_FORMAT_RGTC1_SNORM
:
541 return MESA_FORMAT_SIGNED_RED_RGTC1
;
542 case PIPE_FORMAT_RGTC2_UNORM
:
543 return MESA_FORMAT_RG_RGTC2
;
544 case PIPE_FORMAT_RGTC2_SNORM
:
545 return MESA_FORMAT_SIGNED_RG_RGTC2
;
547 case PIPE_FORMAT_LATC1_UNORM
:
548 return MESA_FORMAT_L_LATC1
;
549 case PIPE_FORMAT_LATC1_SNORM
:
550 return MESA_FORMAT_SIGNED_L_LATC1
;
551 case PIPE_FORMAT_LATC2_UNORM
:
552 return MESA_FORMAT_LA_LATC2
;
553 case PIPE_FORMAT_LATC2_SNORM
:
554 return MESA_FORMAT_SIGNED_LA_LATC2
;
556 /* signed normalized formats */
557 case PIPE_FORMAT_R8_SNORM
:
558 return MESA_FORMAT_SIGNED_R8
;
559 case PIPE_FORMAT_R8G8_SNORM
:
560 return MESA_FORMAT_SIGNED_RG88_REV
;
561 case PIPE_FORMAT_R8G8B8A8_SNORM
:
562 return MESA_FORMAT_SIGNED_RGBA8888_REV
;
564 case PIPE_FORMAT_A8_SNORM
:
565 return MESA_FORMAT_SIGNED_A8
;
566 case PIPE_FORMAT_L8_SNORM
:
567 return MESA_FORMAT_SIGNED_L8
;
568 case PIPE_FORMAT_L8A8_SNORM
:
569 return MESA_FORMAT_SIGNED_AL88
;
570 case PIPE_FORMAT_I8_SNORM
:
571 return MESA_FORMAT_SIGNED_I8
;
573 case PIPE_FORMAT_R16_SNORM
:
574 return MESA_FORMAT_SIGNED_R16
;
575 case PIPE_FORMAT_R16G16_SNORM
:
576 return MESA_FORMAT_SIGNED_GR1616
;
577 case PIPE_FORMAT_R16G16B16A16_SNORM
:
578 return MESA_FORMAT_SIGNED_RGBA_16
;
580 case PIPE_FORMAT_A16_SNORM
:
581 return MESA_FORMAT_SIGNED_A16
;
582 case PIPE_FORMAT_L16_SNORM
:
583 return MESA_FORMAT_SIGNED_L16
;
584 case PIPE_FORMAT_L16A16_SNORM
:
585 return MESA_FORMAT_SIGNED_AL1616
;
586 case PIPE_FORMAT_I16_SNORM
:
587 return MESA_FORMAT_SIGNED_I16
;
589 case PIPE_FORMAT_R9G9B9E5_FLOAT
:
590 return MESA_FORMAT_RGB9_E5_FLOAT
;
591 case PIPE_FORMAT_R11G11B10_FLOAT
:
592 return MESA_FORMAT_R11_G11_B10_FLOAT
;
596 return MESA_FORMAT_NONE
;
602 * Map GL texture formats to Gallium pipe formats.
604 struct format_mapping
606 GLenum glFormats
[18]; /**< list of GLenum formats, 0-terminated */
607 enum pipe_format pipeFormats
[10]; /**< list of pipe formats, 0-terminated */
611 #define DEFAULT_RGBA_FORMATS \
612 PIPE_FORMAT_B8G8R8A8_UNORM, \
613 PIPE_FORMAT_A8R8G8B8_UNORM, \
614 PIPE_FORMAT_A8B8G8R8_UNORM, \
615 PIPE_FORMAT_B5G6R5_UNORM, \
618 #define DEFAULT_RGB_FORMATS \
619 PIPE_FORMAT_B8G8R8X8_UNORM, \
620 PIPE_FORMAT_X8R8G8B8_UNORM, \
621 PIPE_FORMAT_X8B8G8R8_UNORM, \
622 PIPE_FORMAT_B8G8R8A8_UNORM, \
623 PIPE_FORMAT_A8R8G8B8_UNORM, \
624 PIPE_FORMAT_A8B8G8R8_UNORM, \
625 PIPE_FORMAT_B5G6R5_UNORM, \
628 #define DEFAULT_SRGBA_FORMATS \
629 PIPE_FORMAT_B8G8R8A8_SRGB, \
630 PIPE_FORMAT_A8R8G8B8_SRGB, \
631 PIPE_FORMAT_A8B8G8R8_SRGB, \
634 #define DEFAULT_DEPTH_FORMATS \
635 PIPE_FORMAT_Z24X8_UNORM, \
636 PIPE_FORMAT_X8Z24_UNORM, \
637 PIPE_FORMAT_Z16_UNORM, \
638 PIPE_FORMAT_Z24_UNORM_S8_USCALED, \
639 PIPE_FORMAT_S8_USCALED_Z24_UNORM, \
643 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
644 * Multiple GL enums might map to multiple pipe_formats.
645 * The first pipe format in the list that's supported is the one that's chosen.
647 static const struct format_mapping format_map
[] = {
648 /* Basic RGB, RGBA formats */
650 { GL_RGB10
, GL_RGB10_A2
, 0 },
651 { PIPE_FORMAT_B10G10R10A2_UNORM
, DEFAULT_RGBA_FORMATS
}
654 { 4, GL_RGBA
, GL_RGBA8
, 0 },
655 { PIPE_FORMAT_R8G8B8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
659 { PIPE_FORMAT_B8G8R8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
662 { 3, GL_RGB
, GL_RGB8
, 0 },
663 { DEFAULT_RGB_FORMATS
}
666 { GL_RGB12
, GL_RGB16
, GL_RGBA12
, GL_RGBA16
, 0 },
667 { PIPE_FORMAT_R16G16B16A16_UNORM
, DEFAULT_RGBA_FORMATS
}
670 { GL_RGBA4
, GL_RGBA2
, 0 },
671 { PIPE_FORMAT_B4G4R4A4_UNORM
, DEFAULT_RGBA_FORMATS
}
675 { PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
679 { PIPE_FORMAT_B2G3R3_UNORM
, PIPE_FORMAT_B5G6R5_UNORM
,
680 PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
683 { GL_RGB5
, GL_RGB4
},
684 { PIPE_FORMAT_B5G6R5_UNORM
, PIPE_FORMAT_B5G5R5A1_UNORM
,
685 DEFAULT_RGBA_FORMATS
}
688 /* basic Alpha formats */
690 { GL_ALPHA12
, GL_ALPHA16
, 0 },
691 { PIPE_FORMAT_A16_UNORM
, PIPE_FORMAT_A8_UNORM
,
692 DEFAULT_RGBA_FORMATS
}
695 { GL_ALPHA
, GL_ALPHA4
, GL_ALPHA8
, GL_COMPRESSED_ALPHA
, 0 },
696 { PIPE_FORMAT_A8_UNORM
, DEFAULT_RGBA_FORMATS
}
699 /* basic Luminance formats */
701 { GL_LUMINANCE12
, GL_LUMINANCE16
, 0 },
702 { PIPE_FORMAT_L16_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
705 { 1, GL_LUMINANCE
, GL_LUMINANCE4
, GL_LUMINANCE8
, 0 },
706 { PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
709 /* basic Luminance/Alpha formats */
711 { GL_LUMINANCE12_ALPHA4
, GL_LUMINANCE12_ALPHA12
,
712 GL_LUMINANCE16_ALPHA16
, 0},
713 { PIPE_FORMAT_L16A16_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
714 DEFAULT_RGBA_FORMATS
}
717 { 2, GL_LUMINANCE_ALPHA
, GL_LUMINANCE6_ALPHA2
, GL_LUMINANCE8_ALPHA8
, 0 },
718 { PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
721 { GL_LUMINANCE4_ALPHA4
, 0 },
722 { PIPE_FORMAT_L4A4_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
723 DEFAULT_RGBA_FORMATS
}
726 /* basic Intensity formats */
728 { GL_INTENSITY12
, GL_INTENSITY16
, 0 },
729 { PIPE_FORMAT_I16_UNORM
, PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
732 { GL_INTENSITY
, GL_INTENSITY4
, GL_INTENSITY8
,
733 GL_COMPRESSED_INTENSITY
, 0 },
734 { PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
739 { GL_YCBCR_MESA
, 0 },
740 { PIPE_FORMAT_UYVY
, PIPE_FORMAT_YUYV
, 0 }
743 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
745 { GL_COMPRESSED_RGB
, 0 },
746 { PIPE_FORMAT_DXT1_RGB
, DEFAULT_RGB_FORMATS
}
749 { GL_COMPRESSED_RGBA
, 0 },
750 { PIPE_FORMAT_DXT5_RGBA
, DEFAULT_RGBA_FORMATS
}
753 { GL_RGB_S3TC
, GL_RGB4_S3TC
, GL_COMPRESSED_RGB_S3TC_DXT1_EXT
, 0 },
754 { PIPE_FORMAT_DXT1_RGB
, 0 }
757 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
, 0 },
758 { PIPE_FORMAT_DXT1_RGBA
, 0 }
761 { GL_RGBA_S3TC
, GL_RGBA4_S3TC
, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
, 0 },
762 { PIPE_FORMAT_DXT3_RGBA
, 0 }
765 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
, 0 },
766 { PIPE_FORMAT_DXT5_RGBA
, 0 }
771 { GL_COMPRESSED_RGB_FXT1_3DFX
, 0 },
772 { PIPE_FORMAT_RGB_FXT1
, 0 }
775 { GL_COMPRESSED_RGBA_FXT1_3DFX
, 0 },
776 { PIPE_FORMAT_RGBA_FXT1
, 0 }
782 { GL_DEPTH_COMPONENT16
, 0 },
783 { PIPE_FORMAT_Z16_UNORM
, DEFAULT_DEPTH_FORMATS
}
786 { GL_DEPTH_COMPONENT24
, 0 },
787 { PIPE_FORMAT_Z24X8_UNORM
, PIPE_FORMAT_X8Z24_UNORM
,
788 DEFAULT_DEPTH_FORMATS
}
791 { GL_DEPTH_COMPONENT32
, 0 },
792 { PIPE_FORMAT_Z32_UNORM
, DEFAULT_DEPTH_FORMATS
}
795 { GL_DEPTH_COMPONENT
, 0 },
796 { DEFAULT_DEPTH_FORMATS
}
799 { GL_DEPTH_COMPONENT32F
, 0 },
800 { PIPE_FORMAT_Z32_FLOAT
, 0 }
803 /* stencil formats */
805 { GL_STENCIL_INDEX
, GL_STENCIL_INDEX1_EXT
, GL_STENCIL_INDEX4_EXT
,
806 GL_STENCIL_INDEX8_EXT
, GL_STENCIL_INDEX16_EXT
, 0 },
808 PIPE_FORMAT_S8_USCALED
, PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
809 PIPE_FORMAT_S8_USCALED_Z24_UNORM
, 0
813 /* Depth / Stencil formats */
815 { GL_DEPTH_STENCIL_EXT
, GL_DEPTH24_STENCIL8_EXT
, 0 },
816 { PIPE_FORMAT_Z24_UNORM_S8_USCALED
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
, 0 }
819 { GL_DEPTH32F_STENCIL8
, 0 },
820 { PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED
, 0 }
825 { GL_SRGB_EXT
, GL_SRGB8_EXT
, GL_SRGB_ALPHA_EXT
, GL_SRGB8_ALPHA8_EXT
, 0 },
826 { DEFAULT_SRGBA_FORMATS
}
829 { GL_COMPRESSED_SRGB_EXT
, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
, 0 },
830 { PIPE_FORMAT_DXT1_SRGB
, DEFAULT_SRGBA_FORMATS
}
833 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
, 0 },
834 { PIPE_FORMAT_DXT1_SRGBA
, 0 }
837 { GL_COMPRESSED_SRGB_ALPHA_EXT
,
838 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
, 0 },
839 { PIPE_FORMAT_DXT3_SRGBA
, DEFAULT_SRGBA_FORMATS
}
842 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
, 0 },
843 { PIPE_FORMAT_DXT5_SRGBA
, 0 }
846 { GL_SLUMINANCE_ALPHA_EXT
, GL_SLUMINANCE8_ALPHA8_EXT
,
847 GL_COMPRESSED_SLUMINANCE_EXT
, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
, 0 },
848 { PIPE_FORMAT_L8A8_SRGB
, DEFAULT_SRGBA_FORMATS
}
851 { GL_SLUMINANCE_EXT
, GL_SLUMINANCE8_EXT
, 0 },
852 { PIPE_FORMAT_L8_SRGB
, DEFAULT_SRGBA_FORMATS
}
855 /* 16-bit float formats */
857 { GL_RGBA16F_ARB
, 0 },
858 { PIPE_FORMAT_R16G16B16A16_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
861 { GL_RGB16F_ARB
, 0 },
862 { PIPE_FORMAT_R16G16B16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
863 PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
866 { GL_LUMINANCE_ALPHA16F_ARB
, 0 },
867 { PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
868 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
871 { GL_ALPHA16F_ARB
, 0 },
872 { PIPE_FORMAT_A16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
873 PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
874 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
877 { GL_INTENSITY16F_ARB
, 0 },
878 { PIPE_FORMAT_I16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
879 PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
880 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
883 { GL_LUMINANCE16F_ARB
, 0 },
884 { PIPE_FORMAT_L16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
885 PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
886 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
890 { PIPE_FORMAT_R16_FLOAT
, PIPE_FORMAT_R16G16_FLOAT
,
891 PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
892 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
896 { PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
897 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
900 /* 32-bit float formats */
902 { GL_RGBA32F_ARB
, 0 },
903 { PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
906 { GL_RGB32F_ARB
, 0 },
907 { PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
908 PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
911 { GL_LUMINANCE_ALPHA32F_ARB
, 0 },
912 { PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
913 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
916 { GL_ALPHA32F_ARB
, 0 },
917 { PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
918 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_A16_FLOAT
,
919 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
922 { GL_INTENSITY32F_ARB
, 0 },
923 { PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
924 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_I16_FLOAT
,
925 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
928 { GL_LUMINANCE32F_ARB
, 0 },
929 { PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
930 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_L16_FLOAT
,
931 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
935 { PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R32G32_FLOAT
,
936 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16_FLOAT
,
937 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
941 { PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
942 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
947 { GL_RED
, GL_R8
, 0 },
948 { PIPE_FORMAT_R8_UNORM
, 0 }
951 { GL_RG
, GL_RG8
, 0 },
952 { PIPE_FORMAT_R8G8_UNORM
, 0 }
956 { PIPE_FORMAT_R16_UNORM
, 0 }
960 { PIPE_FORMAT_R16G16_UNORM
, 0 }
963 /* compressed R, RG formats */
965 { GL_COMPRESSED_RED
, GL_COMPRESSED_RED_RGTC1
, 0 },
966 { PIPE_FORMAT_RGTC1_UNORM
, PIPE_FORMAT_R8_UNORM
, 0 }
969 { GL_COMPRESSED_SIGNED_RED_RGTC1
, 0 },
970 { PIPE_FORMAT_RGTC1_SNORM
, 0 }
973 { GL_COMPRESSED_RG
, GL_COMPRESSED_RG_RGTC2
, 0 },
974 { PIPE_FORMAT_RGTC2_UNORM
, PIPE_FORMAT_R8G8_UNORM
, 0 }
977 { GL_COMPRESSED_SIGNED_RG_RGTC2
, 0 },
978 { PIPE_FORMAT_RGTC2_SNORM
, 0 }
981 { GL_COMPRESSED_LUMINANCE
, GL_COMPRESSED_LUMINANCE_LATC1_EXT
, 0 },
982 { PIPE_FORMAT_LATC1_UNORM
, PIPE_FORMAT_L8_UNORM
, 0 }
985 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
, 0 },
986 { PIPE_FORMAT_LATC1_SNORM
, 0 }
989 { GL_COMPRESSED_LUMINANCE_ALPHA
, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
,
990 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
, 0 },
991 { PIPE_FORMAT_LATC2_UNORM
, PIPE_FORMAT_L8A8_UNORM
, 0 }
994 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
, 0 },
995 { PIPE_FORMAT_LATC2_SNORM
, 0 }
998 /* signed/unsigned integer formats.
999 * XXX Mesa only has formats for RGBA signed/unsigned integer formats.
1000 * If/when new formats are added this code should be updated.
1003 { GL_RED_INTEGER_EXT
,
1004 GL_GREEN_INTEGER_EXT
,
1005 GL_BLUE_INTEGER_EXT
,
1006 GL_ALPHA_INTEGER_EXT
,
1008 GL_RGBA_INTEGER_EXT
,
1010 GL_BGRA_INTEGER_EXT
,
1011 GL_LUMINANCE_INTEGER_EXT
,
1012 GL_LUMINANCE_ALPHA_INTEGER_EXT
,
1018 GL_LUMINANCE_ALPHA8I_EXT
, 0 },
1019 { PIPE_FORMAT_R8G8B8A8_SSCALED
, 0 }
1026 GL_INTENSITY16I_EXT
,
1027 GL_LUMINANCE16I_EXT
,
1028 GL_LUMINANCE_ALPHA16I_EXT
, 0 },
1029 { PIPE_FORMAT_R16G16B16A16_SSCALED
, 0 },
1036 GL_INTENSITY32I_EXT
,
1037 GL_LUMINANCE32I_EXT
,
1038 GL_LUMINANCE_ALPHA32I_EXT
, 0 },
1039 { PIPE_FORMAT_R32G32B32A32_SSCALED
, 0 }
1046 GL_INTENSITY8UI_EXT
,
1047 GL_LUMINANCE8UI_EXT
,
1048 GL_LUMINANCE_ALPHA8UI_EXT
, 0 },
1049 { PIPE_FORMAT_R8G8B8A8_USCALED
, 0 }
1056 GL_INTENSITY16UI_EXT
,
1057 GL_LUMINANCE16UI_EXT
,
1058 GL_LUMINANCE_ALPHA16UI_EXT
, 0 },
1059 { PIPE_FORMAT_R16G16B16A16_USCALED
, 0 }
1066 GL_INTENSITY32UI_EXT
,
1067 GL_LUMINANCE32UI_EXT
,
1068 GL_LUMINANCE_ALPHA32UI_EXT
, 0 },
1069 { PIPE_FORMAT_R32G32B32A32_USCALED
, 0 }
1072 /* signed normalized formats */
1074 { GL_RED_SNORM
, GL_R8_SNORM
, 0 },
1075 { PIPE_FORMAT_R8_SNORM
, PIPE_FORMAT_R8G8_SNORM
,
1076 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1079 { GL_R16_SNORM
, 0 },
1080 { PIPE_FORMAT_R16_SNORM
,
1081 PIPE_FORMAT_R16G16_SNORM
,
1082 PIPE_FORMAT_R16G16B16A16_SNORM
,
1083 PIPE_FORMAT_R8_SNORM
,
1084 PIPE_FORMAT_R8G8_SNORM
,
1085 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1088 { GL_RG_SNORM
, GL_RG8_SNORM
, 0 },
1089 { PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1092 { GL_RG16_SNORM
, 0 },
1093 { PIPE_FORMAT_R16G16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1094 PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1097 { GL_RGB_SNORM
, GL_RGB8_SNORM
, GL_RGBA_SNORM
, GL_RGBA8_SNORM
, 0 },
1098 { PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1101 { GL_RGB16_SNORM
, GL_RGBA16_SNORM
, 0 },
1102 { PIPE_FORMAT_R16G16B16A16_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1105 { GL_ALPHA_SNORM
, GL_ALPHA8_SNORM
, 0 },
1106 { PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1109 { GL_ALPHA16_SNORM
, 0 },
1110 { PIPE_FORMAT_A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1111 PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1114 { GL_LUMINANCE_SNORM
, GL_LUMINANCE8_SNORM
, 0 },
1115 { PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1118 { GL_LUMINANCE16_SNORM
, 0 },
1119 { PIPE_FORMAT_L16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1120 PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1123 { GL_LUMINANCE_ALPHA_SNORM
, GL_LUMINANCE8_ALPHA8_SNORM
, 0 },
1124 { PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1127 { GL_LUMINANCE16_ALPHA16_SNORM
, 0 },
1128 { PIPE_FORMAT_L16A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1129 PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1132 { GL_INTENSITY_SNORM
, GL_INTENSITY8_SNORM
, 0 },
1133 { PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1136 { GL_INTENSITY16_SNORM
, 0 },
1137 { PIPE_FORMAT_I16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1138 PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1142 { PIPE_FORMAT_R9G9B9E5_FLOAT
, 0 }
1145 { GL_R11F_G11F_B10F
, 0 },
1146 { PIPE_FORMAT_R11G11B10_FLOAT
, 0 }
1152 * Return first supported format from the given list.
1154 static enum pipe_format
1155 find_supported_format(struct pipe_screen
*screen
,
1156 const enum pipe_format formats
[],
1157 enum pipe_texture_target target
,
1158 unsigned sample_count
,
1162 for (i
= 0; formats
[i
]; i
++) {
1163 if (screen
->is_format_supported(screen
, formats
[i
], target
,
1164 sample_count
, tex_usage
)) {
1168 return PIPE_FORMAT_NONE
;
1171 struct exact_format_mapping
1175 enum pipe_format pformat
;
1178 static const struct exact_format_mapping rgba8888_tbl
[] =
1180 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1181 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1182 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1183 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1184 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8R8G8B8_UNORM
},
1185 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1186 { GL_RGBA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1187 { GL_ABGR_EXT
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1188 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1192 static const struct exact_format_mapping rgbx8888_tbl
[] =
1194 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_X8R8G8B8_UNORM
},
1195 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1196 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1197 /* No Mesa formats for these Gallium formats:
1198 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
1199 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
1200 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
1201 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
1202 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1203 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1208 static const struct exact_format_mapping rgba1010102_tbl
[] =
1210 { GL_BGRA
, GL_UNSIGNED_INT_2_10_10_10_REV
, PIPE_FORMAT_B10G10R10A2_UNORM
},
1211 /* No Mesa formats for these Gallium formats:
1212 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1213 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1214 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1220 * If there is an exact pipe_format match for {internalFormat, format, type}
1221 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1223 static enum pipe_format
1224 find_exact_format(GLint internalFormat
, GLenum format
, GLenum type
)
1227 const struct exact_format_mapping
* tbl
;
1229 if (format
== GL_NONE
|| type
== GL_NONE
)
1230 return PIPE_FORMAT_NONE
;
1232 switch (internalFormat
) {
1244 tbl
= rgba1010102_tbl
;
1247 return PIPE_FORMAT_NONE
;
1250 for (i
= 0; tbl
[i
].format
; i
++)
1251 if (tbl
[i
].format
== format
&& tbl
[i
].type
== type
)
1252 return tbl
[i
].pformat
;
1254 return PIPE_FORMAT_NONE
;
1258 * Given an OpenGL internalFormat value for a texture or surface, return
1259 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1260 * This is called during glTexImage2D, for example.
1262 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1263 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1264 * we want render-to-texture ability.
1266 * \param internalFormat the user value passed to glTexImage2D
1267 * \param target one of PIPE_TEXTURE_x
1268 * \param bindings bitmask of PIPE_BIND_x flags.
1271 st_choose_format(struct pipe_screen
*screen
, GLenum internalFormat
,
1272 GLenum format
, GLenum type
,
1273 enum pipe_texture_target target
, unsigned sample_count
,
1276 GET_CURRENT_CONTEXT(ctx
); /* XXX this should be a function parameter */
1278 enum pipe_format pf
;
1280 /* can't render to compressed formats at this time */
1281 if (_mesa_is_compressed_format(ctx
, internalFormat
)
1282 && (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)) {
1283 return PIPE_FORMAT_NONE
;
1286 /* search for exact matches */
1287 pf
= find_exact_format(internalFormat
, format
, type
);
1288 if (pf
!= PIPE_FORMAT_NONE
&&
1289 screen
->is_format_supported(screen
, pf
,
1290 target
, sample_count
, bindings
))
1293 /* search table for internalFormat */
1294 for (i
= 0; i
< Elements(format_map
); i
++) {
1295 const struct format_mapping
*mapping
= &format_map
[i
];
1296 for (j
= 0; mapping
->glFormats
[j
]; j
++) {
1297 if (mapping
->glFormats
[j
] == internalFormat
) {
1298 /* Found the desired internal format. Find first pipe format
1299 * which is supported by the driver.
1301 return find_supported_format(screen
, mapping
->pipeFormats
,
1302 target
, sample_count
, bindings
);
1307 _mesa_problem(NULL
, "unhandled format!\n");
1308 return PIPE_FORMAT_NONE
;
1313 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1316 st_choose_renderbuffer_format(struct pipe_screen
*screen
,
1317 GLenum internalFormat
, unsigned sample_count
)
1320 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1321 usage
= PIPE_BIND_DEPTH_STENCIL
;
1323 usage
= PIPE_BIND_RENDER_TARGET
;
1324 return st_choose_format(screen
, internalFormat
, GL_NONE
, GL_NONE
, PIPE_TEXTURE_2D
,
1325 sample_count
, usage
);
1330 st_ChooseTextureFormat_renderable(struct gl_context
*ctx
, GLint internalFormat
,
1331 GLenum format
, GLenum type
, GLboolean renderable
)
1333 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
1334 enum pipe_format pFormat
;
1340 /* GL textures may wind up being render targets, but we don't know
1341 * that in advance. Specify potential render target flags now.
1343 bindings
= PIPE_BIND_SAMPLER_VIEW
;
1345 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1346 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1348 bindings
|= PIPE_BIND_RENDER_TARGET
;
1351 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1352 PIPE_TEXTURE_2D
, 0, bindings
);
1354 if (pFormat
== PIPE_FORMAT_NONE
) {
1355 /* try choosing format again, this time without render target bindings */
1356 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1357 PIPE_TEXTURE_2D
, 0, PIPE_BIND_SAMPLER_VIEW
);
1360 if (pFormat
== PIPE_FORMAT_NONE
) {
1361 /* no luck at all */
1362 return MESA_FORMAT_NONE
;
1365 return st_pipe_format_to_mesa_format(pFormat
);
1370 * Called via ctx->Driver.ChooseTextureFormat().
1373 st_ChooseTextureFormat(struct gl_context
*ctx
, GLint internalFormat
,
1374 GLenum format
, GLenum type
)
1376 boolean want_renderable
=
1377 internalFormat
== 3 || internalFormat
== 4 ||
1378 internalFormat
== GL_RGB
|| internalFormat
== GL_RGBA
||
1379 internalFormat
== GL_RGB8
|| internalFormat
== GL_RGBA8
||
1380 internalFormat
== GL_BGRA
;
1382 return st_ChooseTextureFormat_renderable(ctx
, internalFormat
,
1383 format
, type
, want_renderable
);
1387 * Test if a gallium format is equivalent to a GL format/type.
1390 st_equal_formats(enum pipe_format pFormat
, GLenum format
, GLenum type
)
1393 case PIPE_FORMAT_A8B8G8R8_UNORM
:
1394 return format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
;
1395 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1396 return format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
;
1397 case PIPE_FORMAT_B5G6R5_UNORM
:
1398 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
;
1399 /* XXX more combos... */
1406 st_sampler_compat_formats(enum pipe_format format1
, enum pipe_format format2
)
1408 if (format1
== format2
)
1411 if (format1
== PIPE_FORMAT_B8G8R8A8_UNORM
&&
1412 format2
== PIPE_FORMAT_B8G8R8X8_UNORM
)
1415 if (format1
== PIPE_FORMAT_B8G8R8X8_UNORM
&&
1416 format2
== PIPE_FORMAT_B8G8R8A8_UNORM
)
1419 if (format1
== PIPE_FORMAT_A8B8G8R8_UNORM
&&
1420 format2
== PIPE_FORMAT_X8B8G8R8_UNORM
)
1423 if (format1
== PIPE_FORMAT_X8B8G8R8_UNORM
&&
1424 format2
== PIPE_FORMAT_A8B8G8R8_UNORM
)
1427 if (format1
== PIPE_FORMAT_A8R8G8B8_UNORM
&&
1428 format2
== PIPE_FORMAT_X8R8G8B8_UNORM
)
1431 if (format1
== PIPE_FORMAT_X8R8G8B8_UNORM
&&
1432 format2
== PIPE_FORMAT_A8R8G8B8_UNORM
)
1441 * This is used for translating texture border color and the clear
1442 * color. For example, the clear color is interpreted according to
1443 * the renderbuffer's base format. For example, if clearing a
1444 * GL_LUMINANCE buffer, ClearColor[0] = luminance and ClearColor[1] =
1445 * alpha. Similarly for texture border colors.
1448 st_translate_color(const GLfloat colorIn
[4], GLenum baseFormat
,
1449 GLfloat colorOut
[4])
1451 switch (baseFormat
) {
1453 colorOut
[0] = colorIn
[0];
1459 colorOut
[0] = colorIn
[0];
1460 colorOut
[1] = colorIn
[1];
1465 colorOut
[0] = colorIn
[0];
1466 colorOut
[1] = colorIn
[1];
1467 colorOut
[2] = colorIn
[2];
1471 colorOut
[0] = colorOut
[1] = colorOut
[2] = 0.0;
1472 colorOut
[3] = colorIn
[3];
1475 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1478 case GL_LUMINANCE_ALPHA
:
1479 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1480 colorOut
[3] = colorIn
[3];
1483 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorOut
[3] = colorIn
[0];
1486 COPY_4V(colorOut
, colorIn
);