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
;
72 desc
= util_format_description(format
);
75 if (desc
->layout
== UTIL_FORMAT_LAYOUT_PLAIN
) {
76 if (format
== PIPE_FORMAT_B5G5R5A1_UNORM
||
77 format
== PIPE_FORMAT_B5G6R5_UNORM
) {
78 return GL_UNSIGNED_SHORT
;
80 else if (format
== PIPE_FORMAT_Z24_UNORM_S8_USCALED
||
81 format
== PIPE_FORMAT_S8_USCALED_Z24_UNORM
||
82 format
== PIPE_FORMAT_Z24X8_UNORM
||
83 format
== PIPE_FORMAT_X8Z24_UNORM
) {
84 return GL_UNSIGNED_INT_24_8
;
87 const GLuint size
= format_max_bits(format
);
89 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
90 return GL_UNSIGNED_BYTE
;
94 else if (size
== 16) {
95 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
96 return GL_UNSIGNED_SHORT
;
101 assert( size
<= 32 );
102 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_UNSIGNED
)
103 return GL_UNSIGNED_INT
;
109 else if (format
== PIPE_FORMAT_UYVY
) {
110 return GL_UNSIGNED_SHORT
;
112 else if (format
== PIPE_FORMAT_YUYV
) {
113 return GL_UNSIGNED_SHORT
;
116 /* probably a compressed format, unsupported anyway */
123 * Translate Mesa format to Gallium format.
126 st_mesa_format_to_pipe_format(gl_format mesaFormat
)
128 switch (mesaFormat
) {
129 case MESA_FORMAT_RGBA8888
:
130 return PIPE_FORMAT_A8B8G8R8_UNORM
;
131 case MESA_FORMAT_RGBA8888_REV
:
132 return PIPE_FORMAT_R8G8B8A8_UNORM
;
133 case MESA_FORMAT_ARGB8888
:
134 return PIPE_FORMAT_B8G8R8A8_UNORM
;
135 case MESA_FORMAT_ARGB8888_REV
:
136 return PIPE_FORMAT_A8R8G8B8_UNORM
;
137 case MESA_FORMAT_XRGB8888
:
138 return PIPE_FORMAT_B8G8R8X8_UNORM
;
139 case MESA_FORMAT_XRGB8888_REV
:
140 return PIPE_FORMAT_X8R8G8B8_UNORM
;
141 case MESA_FORMAT_ARGB1555
:
142 return PIPE_FORMAT_B5G5R5A1_UNORM
;
143 case MESA_FORMAT_ARGB4444
:
144 return PIPE_FORMAT_B4G4R4A4_UNORM
;
145 case MESA_FORMAT_RGB565
:
146 return PIPE_FORMAT_B5G6R5_UNORM
;
147 case MESA_FORMAT_RGB332
:
148 return PIPE_FORMAT_B2G3R3_UNORM
;
149 case MESA_FORMAT_ARGB2101010
:
150 return PIPE_FORMAT_B10G10R10A2_UNORM
;
151 case MESA_FORMAT_AL44
:
152 return PIPE_FORMAT_L4A4_UNORM
;
153 case MESA_FORMAT_AL88
:
154 return PIPE_FORMAT_L8A8_UNORM
;
155 case MESA_FORMAT_AL1616
:
156 return PIPE_FORMAT_L16A16_UNORM
;
158 return PIPE_FORMAT_A8_UNORM
;
159 case MESA_FORMAT_A16
:
160 return PIPE_FORMAT_A16_UNORM
;
162 return PIPE_FORMAT_L8_UNORM
;
163 case MESA_FORMAT_L16
:
164 return PIPE_FORMAT_L16_UNORM
;
166 return PIPE_FORMAT_I8_UNORM
;
167 case MESA_FORMAT_I16
:
168 return PIPE_FORMAT_I16_UNORM
;
169 case MESA_FORMAT_Z16
:
170 return PIPE_FORMAT_Z16_UNORM
;
171 case MESA_FORMAT_Z32
:
172 return PIPE_FORMAT_Z32_UNORM
;
173 case MESA_FORMAT_Z24_S8
:
174 return PIPE_FORMAT_S8_USCALED_Z24_UNORM
;
175 case MESA_FORMAT_S8_Z24
:
176 return PIPE_FORMAT_Z24_UNORM_S8_USCALED
;
177 case MESA_FORMAT_Z24_X8
:
178 return PIPE_FORMAT_X8Z24_UNORM
;
179 case MESA_FORMAT_X8_Z24
:
180 return PIPE_FORMAT_Z24X8_UNORM
;
182 return PIPE_FORMAT_S8_USCALED
;
183 case MESA_FORMAT_YCBCR
:
184 return PIPE_FORMAT_UYVY
;
185 #if FEATURE_texture_s3tc
186 case MESA_FORMAT_RGB_DXT1
:
187 return PIPE_FORMAT_DXT1_RGB
;
188 case MESA_FORMAT_RGBA_DXT1
:
189 return PIPE_FORMAT_DXT1_RGBA
;
190 case MESA_FORMAT_RGBA_DXT3
:
191 return PIPE_FORMAT_DXT3_RGBA
;
192 case MESA_FORMAT_RGBA_DXT5
:
193 return PIPE_FORMAT_DXT5_RGBA
;
194 #if FEATURE_EXT_texture_sRGB
195 case MESA_FORMAT_SRGB_DXT1
:
196 return PIPE_FORMAT_DXT1_SRGB
;
197 case MESA_FORMAT_SRGBA_DXT1
:
198 return PIPE_FORMAT_DXT1_SRGBA
;
199 case MESA_FORMAT_SRGBA_DXT3
:
200 return PIPE_FORMAT_DXT3_SRGBA
;
201 case MESA_FORMAT_SRGBA_DXT5
:
202 return PIPE_FORMAT_DXT5_SRGBA
;
205 #if FEATURE_EXT_texture_sRGB
206 case MESA_FORMAT_SLA8
:
207 return PIPE_FORMAT_L8A8_SRGB
;
208 case MESA_FORMAT_SL8
:
209 return PIPE_FORMAT_L8_SRGB
;
210 case MESA_FORMAT_SRGB8
:
211 return PIPE_FORMAT_R8G8B8_SRGB
;
212 case MESA_FORMAT_SRGBA8
:
213 return PIPE_FORMAT_A8B8G8R8_SRGB
;
214 case MESA_FORMAT_SARGB8
:
215 return PIPE_FORMAT_B8G8R8A8_SRGB
;
218 return PIPE_FORMAT_R8_UNORM
;
219 case MESA_FORMAT_R16
:
220 return PIPE_FORMAT_R16_UNORM
;
221 case MESA_FORMAT_RG88
:
222 return PIPE_FORMAT_R8G8_UNORM
;
223 case MESA_FORMAT_RG1616
:
224 return PIPE_FORMAT_R16G16_UNORM
;
225 case MESA_FORMAT_RGBA_16
:
226 return PIPE_FORMAT_R16G16B16A16_UNORM
;
228 /* signed int formats */
229 case MESA_FORMAT_RGBA_INT8
:
230 return PIPE_FORMAT_R8G8B8A8_SSCALED
;
231 case MESA_FORMAT_RGBA_INT16
:
232 return PIPE_FORMAT_R16G16B16A16_SSCALED
;
233 case MESA_FORMAT_RGBA_INT32
:
234 return PIPE_FORMAT_R32G32B32A32_SSCALED
;
236 /* unsigned int formats */
237 case MESA_FORMAT_RGBA_UINT8
:
238 return PIPE_FORMAT_R8G8B8A8_USCALED
;
239 case MESA_FORMAT_RGBA_UINT16
:
240 return PIPE_FORMAT_R16G16B16A16_USCALED
;
241 case MESA_FORMAT_RGBA_UINT32
:
242 return PIPE_FORMAT_R32G32B32A32_USCALED
;
244 case MESA_FORMAT_RED_RGTC1
:
245 return PIPE_FORMAT_RGTC1_UNORM
;
246 case MESA_FORMAT_SIGNED_RED_RGTC1
:
247 return PIPE_FORMAT_RGTC1_SNORM
;
248 case MESA_FORMAT_RG_RGTC2
:
249 return PIPE_FORMAT_RGTC2_UNORM
;
250 case MESA_FORMAT_SIGNED_RG_RGTC2
:
251 return PIPE_FORMAT_RGTC2_SNORM
;
253 case MESA_FORMAT_L_LATC1
:
254 return PIPE_FORMAT_LATC1_UNORM
;
255 case MESA_FORMAT_SIGNED_L_LATC1
:
256 return PIPE_FORMAT_LATC1_SNORM
;
257 case MESA_FORMAT_LA_LATC2
:
258 return PIPE_FORMAT_LATC2_UNORM
;
259 case MESA_FORMAT_SIGNED_LA_LATC2
:
260 return PIPE_FORMAT_LATC2_SNORM
;
264 return PIPE_FORMAT_NONE
;
270 * Translate Gallium format to Mesa format.
273 st_pipe_format_to_mesa_format(enum pipe_format format
)
276 case PIPE_FORMAT_A8B8G8R8_UNORM
:
277 return MESA_FORMAT_RGBA8888
;
278 case PIPE_FORMAT_R8G8B8A8_UNORM
:
279 return MESA_FORMAT_RGBA8888_REV
;
280 case PIPE_FORMAT_B8G8R8A8_UNORM
:
281 return MESA_FORMAT_ARGB8888
;
282 case PIPE_FORMAT_A8R8G8B8_UNORM
:
283 return MESA_FORMAT_ARGB8888_REV
;
284 case PIPE_FORMAT_B8G8R8X8_UNORM
:
285 return MESA_FORMAT_XRGB8888
;
286 case PIPE_FORMAT_X8R8G8B8_UNORM
:
287 return MESA_FORMAT_XRGB8888_REV
;
288 case PIPE_FORMAT_B5G5R5A1_UNORM
:
289 return MESA_FORMAT_ARGB1555
;
290 case PIPE_FORMAT_B4G4R4A4_UNORM
:
291 return MESA_FORMAT_ARGB4444
;
292 case PIPE_FORMAT_B5G6R5_UNORM
:
293 return MESA_FORMAT_RGB565
;
294 case PIPE_FORMAT_B2G3R3_UNORM
:
295 return MESA_FORMAT_RGB332
;
296 case PIPE_FORMAT_B10G10R10A2_UNORM
:
297 return MESA_FORMAT_ARGB2101010
;
298 case PIPE_FORMAT_L4A4_UNORM
:
299 return MESA_FORMAT_AL44
;
300 case PIPE_FORMAT_L8A8_UNORM
:
301 return MESA_FORMAT_AL88
;
302 case PIPE_FORMAT_L16A16_UNORM
:
303 return MESA_FORMAT_AL1616
;
304 case PIPE_FORMAT_A8_UNORM
:
305 return MESA_FORMAT_A8
;
306 case PIPE_FORMAT_A16_UNORM
:
307 return MESA_FORMAT_A16
;
308 case PIPE_FORMAT_L8_UNORM
:
309 return MESA_FORMAT_L8
;
310 case PIPE_FORMAT_L16_UNORM
:
311 return MESA_FORMAT_L16
;
312 case PIPE_FORMAT_I8_UNORM
:
313 return MESA_FORMAT_I8
;
314 case PIPE_FORMAT_I16_UNORM
:
315 return MESA_FORMAT_I16
;
316 case PIPE_FORMAT_S8_USCALED
:
317 return MESA_FORMAT_S8
;
319 case PIPE_FORMAT_R16G16B16A16_UNORM
:
320 return MESA_FORMAT_RGBA_16
;
321 case PIPE_FORMAT_R16G16B16A16_SNORM
:
322 return MESA_FORMAT_SIGNED_RGBA_16
;
324 case PIPE_FORMAT_Z16_UNORM
:
325 return MESA_FORMAT_Z16
;
326 case PIPE_FORMAT_Z32_UNORM
:
327 return MESA_FORMAT_Z32
;
328 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
329 return MESA_FORMAT_Z24_S8
;
330 case PIPE_FORMAT_X8Z24_UNORM
:
331 return MESA_FORMAT_Z24_X8
;
332 case PIPE_FORMAT_Z24X8_UNORM
:
333 return MESA_FORMAT_X8_Z24
;
334 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
335 return MESA_FORMAT_S8_Z24
;
337 case PIPE_FORMAT_UYVY
:
338 return MESA_FORMAT_YCBCR
;
339 case PIPE_FORMAT_YUYV
:
340 return MESA_FORMAT_YCBCR_REV
;
342 #if FEATURE_texture_s3tc
343 case PIPE_FORMAT_DXT1_RGB
:
344 return MESA_FORMAT_RGB_DXT1
;
345 case PIPE_FORMAT_DXT1_RGBA
:
346 return MESA_FORMAT_RGBA_DXT1
;
347 case PIPE_FORMAT_DXT3_RGBA
:
348 return MESA_FORMAT_RGBA_DXT3
;
349 case PIPE_FORMAT_DXT5_RGBA
:
350 return MESA_FORMAT_RGBA_DXT5
;
351 #if FEATURE_EXT_texture_sRGB
352 case PIPE_FORMAT_DXT1_SRGB
:
353 return MESA_FORMAT_SRGB_DXT1
;
354 case PIPE_FORMAT_DXT1_SRGBA
:
355 return MESA_FORMAT_SRGBA_DXT1
;
356 case PIPE_FORMAT_DXT3_SRGBA
:
357 return MESA_FORMAT_SRGBA_DXT3
;
358 case PIPE_FORMAT_DXT5_SRGBA
:
359 return MESA_FORMAT_SRGBA_DXT5
;
363 #if FEATURE_EXT_texture_sRGB
364 case PIPE_FORMAT_L8A8_SRGB
:
365 return MESA_FORMAT_SLA8
;
366 case PIPE_FORMAT_L8_SRGB
:
367 return MESA_FORMAT_SL8
;
368 case PIPE_FORMAT_R8G8B8_SRGB
:
369 return MESA_FORMAT_SRGB8
;
370 case PIPE_FORMAT_A8B8G8R8_SRGB
:
371 return MESA_FORMAT_SRGBA8
;
372 case PIPE_FORMAT_B8G8R8A8_SRGB
:
373 return MESA_FORMAT_SARGB8
;
376 case PIPE_FORMAT_R8_UNORM
:
377 return MESA_FORMAT_R8
;
378 case PIPE_FORMAT_R16_UNORM
:
379 return MESA_FORMAT_R16
;
380 case PIPE_FORMAT_R8G8_UNORM
:
381 return MESA_FORMAT_RG88
;
382 case PIPE_FORMAT_R16G16_UNORM
:
383 return MESA_FORMAT_RG1616
;
385 /* signed int formats */
386 case PIPE_FORMAT_R8G8B8A8_SSCALED
:
387 return MESA_FORMAT_RGBA_INT8
;
388 case PIPE_FORMAT_R16G16B16A16_SSCALED
:
389 return MESA_FORMAT_RGBA_INT16
;
390 case PIPE_FORMAT_R32G32B32A32_SSCALED
:
391 return MESA_FORMAT_RGBA_INT32
;
393 /* unsigned int formats */
394 case PIPE_FORMAT_R8G8B8A8_USCALED
:
395 return MESA_FORMAT_RGBA_UINT8
;
396 case PIPE_FORMAT_R16G16B16A16_USCALED
:
397 return MESA_FORMAT_RGBA_UINT16
;
398 case PIPE_FORMAT_R32G32B32A32_USCALED
:
399 return MESA_FORMAT_RGBA_UINT32
;
401 case PIPE_FORMAT_RGTC1_UNORM
:
402 return MESA_FORMAT_RED_RGTC1
;
403 case PIPE_FORMAT_RGTC1_SNORM
:
404 return MESA_FORMAT_SIGNED_RED_RGTC1
;
405 case PIPE_FORMAT_RGTC2_UNORM
:
406 return MESA_FORMAT_RG_RGTC2
;
407 case PIPE_FORMAT_RGTC2_SNORM
:
408 return MESA_FORMAT_SIGNED_RG_RGTC2
;
410 case PIPE_FORMAT_LATC1_UNORM
:
411 return MESA_FORMAT_L_LATC1
;
412 case PIPE_FORMAT_LATC1_SNORM
:
413 return MESA_FORMAT_SIGNED_L_LATC1
;
414 case PIPE_FORMAT_LATC2_UNORM
:
415 return MESA_FORMAT_LA_LATC2
;
416 case PIPE_FORMAT_LATC2_SNORM
:
417 return MESA_FORMAT_SIGNED_LA_LATC2
;
421 return MESA_FORMAT_NONE
;
427 * Return first supported format from the given list.
429 static enum pipe_format
430 find_supported_format(struct pipe_screen
*screen
,
431 const enum pipe_format formats
[],
433 enum pipe_texture_target target
,
434 unsigned sample_count
,
439 for (i
= 0; i
< num_formats
; i
++) {
440 if (screen
->is_format_supported(screen
, formats
[i
], target
,
441 sample_count
, tex_usage
, geom_flags
)) {
445 return PIPE_FORMAT_NONE
;
450 * Find an RGBA format supported by the context/winsys.
452 static enum pipe_format
453 default_rgba_format(struct pipe_screen
*screen
,
454 enum pipe_texture_target target
,
455 unsigned sample_count
,
459 static const enum pipe_format colorFormats
[] = {
460 PIPE_FORMAT_B8G8R8A8_UNORM
,
461 PIPE_FORMAT_A8R8G8B8_UNORM
,
462 PIPE_FORMAT_A8B8G8R8_UNORM
,
463 PIPE_FORMAT_B5G6R5_UNORM
465 return find_supported_format(screen
, colorFormats
, Elements(colorFormats
),
466 target
, sample_count
, tex_usage
, geom_flags
);
471 * Find an RGB format supported by the context/winsys.
473 static enum pipe_format
474 default_rgb_format(struct pipe_screen
*screen
,
475 enum pipe_texture_target target
,
476 unsigned sample_count
,
480 static const enum pipe_format colorFormats
[] = {
481 PIPE_FORMAT_B8G8R8X8_UNORM
,
482 PIPE_FORMAT_X8R8G8B8_UNORM
,
483 PIPE_FORMAT_X8B8G8R8_UNORM
,
484 PIPE_FORMAT_B8G8R8A8_UNORM
,
485 PIPE_FORMAT_A8R8G8B8_UNORM
,
486 PIPE_FORMAT_A8B8G8R8_UNORM
,
487 PIPE_FORMAT_B5G6R5_UNORM
489 return find_supported_format(screen
, colorFormats
, Elements(colorFormats
),
490 target
, sample_count
, tex_usage
, geom_flags
);
494 * Find an sRGBA format supported by the context/winsys.
496 static enum pipe_format
497 default_srgba_format(struct pipe_screen
*screen
,
498 enum pipe_texture_target target
,
499 unsigned sample_count
,
503 static const enum pipe_format colorFormats
[] = {
504 PIPE_FORMAT_B8G8R8A8_SRGB
,
505 PIPE_FORMAT_A8R8G8B8_SRGB
,
506 PIPE_FORMAT_A8B8G8R8_SRGB
,
508 return find_supported_format(screen
, colorFormats
, Elements(colorFormats
),
509 target
, sample_count
, tex_usage
, geom_flags
);
514 * Given an OpenGL internalFormat value for a texture or surface, return
515 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
516 * This is called during glTexImage2D, for example.
518 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
519 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
520 * we want render-to-texture ability.
522 * \param internalFormat the user value passed to glTexImage2D
523 * \param target one of PIPE_TEXTURE_x
524 * \param bindings bitmask of PIPE_BIND_x flags.
527 st_choose_format(struct pipe_screen
*screen
, GLenum internalFormat
,
528 enum pipe_texture_target target
, unsigned sample_count
,
531 unsigned geom_flags
= 0; /* we don't care about POT vs. NPOT here, yet */
533 switch (internalFormat
) {
536 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B10G10R10A2_UNORM
,
537 target
, sample_count
, bindings
,
539 return PIPE_FORMAT_B10G10R10A2_UNORM
;
544 return default_rgba_format( screen
, target
, sample_count
, bindings
,
548 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
549 target
, sample_count
, bindings
,
551 return PIPE_FORMAT_B8G8R8A8_UNORM
;
552 return default_rgba_format( screen
, target
, sample_count
, bindings
,
558 return default_rgb_format( screen
, target
, sample_count
, bindings
,
565 if (screen
->is_format_supported( screen
, PIPE_FORMAT_R16G16B16A16_UNORM
,
566 target
, sample_count
, bindings
,
568 return PIPE_FORMAT_R16G16B16A16_UNORM
;
569 return default_rgba_format( screen
, target
, sample_count
, bindings
,
574 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B4G4R4A4_UNORM
,
575 target
, sample_count
, bindings
,
577 return PIPE_FORMAT_B4G4R4A4_UNORM
;
578 return default_rgba_format( screen
, target
, sample_count
, bindings
,
582 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B5G5R5A1_UNORM
,
583 target
, sample_count
, bindings
,
585 return PIPE_FORMAT_B5G5R5A1_UNORM
;
586 return default_rgba_format( screen
, target
, sample_count
, bindings
,
590 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B2G3R3_UNORM
,
591 target
, sample_count
, bindings
,
593 return PIPE_FORMAT_B2G3R3_UNORM
;
597 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B5G6R5_UNORM
,
598 target
, sample_count
, bindings
,
600 return PIPE_FORMAT_B5G6R5_UNORM
;
601 if (screen
->is_format_supported( screen
, PIPE_FORMAT_B5G5R5A1_UNORM
,
602 target
, sample_count
, bindings
,
604 return PIPE_FORMAT_B5G5R5A1_UNORM
;
605 return default_rgba_format( screen
, target
, sample_count
, bindings
,
610 if (screen
->is_format_supported( screen
, PIPE_FORMAT_A16_UNORM
, target
,
611 sample_count
, bindings
, geom_flags
))
612 return PIPE_FORMAT_A16_UNORM
;
617 case GL_COMPRESSED_ALPHA
:
618 if (screen
->is_format_supported( screen
, PIPE_FORMAT_A8_UNORM
, target
,
619 sample_count
, bindings
, geom_flags
))
620 return PIPE_FORMAT_A8_UNORM
;
621 return default_rgba_format( screen
, target
, sample_count
, bindings
,
626 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L16_UNORM
, target
,
627 sample_count
, bindings
, geom_flags
))
628 return PIPE_FORMAT_L16_UNORM
;
634 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L8_UNORM
, target
,
635 sample_count
, bindings
, geom_flags
))
636 return PIPE_FORMAT_L8_UNORM
;
637 return default_rgba_format( screen
, target
, sample_count
, bindings
,
640 case GL_LUMINANCE12_ALPHA4
:
641 case GL_LUMINANCE12_ALPHA12
:
642 case GL_LUMINANCE16_ALPHA16
:
643 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L16A16_UNORM
, target
,
644 sample_count
, bindings
, geom_flags
))
645 return PIPE_FORMAT_L16A16_UNORM
;
648 case GL_LUMINANCE_ALPHA
:
649 case GL_LUMINANCE6_ALPHA2
:
650 case GL_LUMINANCE8_ALPHA8
:
651 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L8A8_UNORM
, target
,
652 sample_count
, bindings
, geom_flags
))
653 return PIPE_FORMAT_L8A8_UNORM
;
654 return default_rgba_format( screen
, target
, sample_count
, bindings
,
657 case GL_LUMINANCE4_ALPHA4
:
658 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L4A4_UNORM
, target
,
659 sample_count
, bindings
, geom_flags
))
660 return PIPE_FORMAT_L4A4_UNORM
;
661 if (screen
->is_format_supported( screen
, PIPE_FORMAT_L8A8_UNORM
, target
,
662 sample_count
, bindings
, geom_flags
))
663 return PIPE_FORMAT_L8A8_UNORM
;
664 return default_rgba_format( screen
, target
, sample_count
, bindings
,
669 if (screen
->is_format_supported( screen
, PIPE_FORMAT_I16_UNORM
, target
,
670 sample_count
, bindings
, geom_flags
))
671 return PIPE_FORMAT_I16_UNORM
;
676 case GL_COMPRESSED_INTENSITY
:
677 if (screen
->is_format_supported( screen
, PIPE_FORMAT_I8_UNORM
, target
,
678 sample_count
, bindings
, geom_flags
))
679 return PIPE_FORMAT_I8_UNORM
;
680 return default_rgba_format( screen
, target
, sample_count
, bindings
,
684 if (screen
->is_format_supported(screen
, PIPE_FORMAT_UYVY
, target
,
685 sample_count
, bindings
, geom_flags
)) {
686 return PIPE_FORMAT_UYVY
;
688 if (screen
->is_format_supported(screen
, PIPE_FORMAT_YUYV
, target
,
689 sample_count
, bindings
, geom_flags
)) {
690 return PIPE_FORMAT_YUYV
;
692 return PIPE_FORMAT_NONE
;
694 case GL_COMPRESSED_RGB
:
695 /* can only sample from compressed formats */
696 if (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)
697 return PIPE_FORMAT_NONE
;
698 else if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT1_RGB
,
699 target
, sample_count
, bindings
,
701 return PIPE_FORMAT_DXT1_RGB
;
703 return default_rgb_format(screen
, target
, sample_count
, bindings
,
706 case GL_COMPRESSED_RGBA
:
707 /* can only sample from compressed formats */
708 if (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)
709 return PIPE_FORMAT_NONE
;
710 else if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT3_RGBA
,
711 target
, sample_count
, bindings
,
713 return PIPE_FORMAT_DXT3_RGBA
;
715 return default_rgba_format(screen
, target
, sample_count
, bindings
,
720 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
721 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT1_RGB
,
722 target
, sample_count
, bindings
,
724 return PIPE_FORMAT_DXT1_RGB
;
726 return PIPE_FORMAT_NONE
;
728 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
729 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT1_RGBA
,
730 target
, sample_count
, bindings
,
732 return PIPE_FORMAT_DXT1_RGBA
;
734 return PIPE_FORMAT_NONE
;
738 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
739 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT3_RGBA
,
740 target
, sample_count
, bindings
,
742 return PIPE_FORMAT_DXT3_RGBA
;
744 return PIPE_FORMAT_NONE
;
746 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
747 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT5_RGBA
,
748 target
, sample_count
, bindings
,
750 return PIPE_FORMAT_DXT5_RGBA
;
752 return PIPE_FORMAT_NONE
;
755 case GL_COMPRESSED_RGB_FXT1_3DFX
:
756 return PIPE_FORMAT_RGB_FXT1
;
757 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
758 return PIPE_FORMAT_RGB_FXT1
;
761 case GL_DEPTH_COMPONENT16
:
762 if (screen
->is_format_supported(screen
, PIPE_FORMAT_Z16_UNORM
, target
,
763 sample_count
, bindings
, geom_flags
))
764 return PIPE_FORMAT_Z16_UNORM
;
766 case GL_DEPTH_COMPONENT24
:
767 if (screen
->is_format_supported(screen
, PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
768 target
, sample_count
, bindings
, geom_flags
))
769 return PIPE_FORMAT_Z24_UNORM_S8_USCALED
;
770 if (screen
->is_format_supported(screen
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
771 target
, sample_count
, bindings
, geom_flags
))
772 return PIPE_FORMAT_S8_USCALED_Z24_UNORM
;
774 case GL_DEPTH_COMPONENT32
:
775 if (screen
->is_format_supported(screen
, PIPE_FORMAT_Z32_UNORM
, target
,
776 sample_count
, bindings
, geom_flags
))
777 return PIPE_FORMAT_Z32_UNORM
;
779 case GL_DEPTH_COMPONENT
:
781 static const enum pipe_format formats
[] = {
782 PIPE_FORMAT_Z32_UNORM
,
783 PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
784 PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
785 PIPE_FORMAT_Z16_UNORM
787 return find_supported_format(screen
, formats
, Elements(formats
),
788 target
, sample_count
, bindings
, geom_flags
);
791 case GL_STENCIL_INDEX
:
792 case GL_STENCIL_INDEX1_EXT
:
793 case GL_STENCIL_INDEX4_EXT
:
794 case GL_STENCIL_INDEX8_EXT
:
795 case GL_STENCIL_INDEX16_EXT
:
797 static const enum pipe_format formats
[] = {
798 PIPE_FORMAT_S8_USCALED
,
799 PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
800 PIPE_FORMAT_S8_USCALED_Z24_UNORM
802 return find_supported_format(screen
, formats
, Elements(formats
),
803 target
, sample_count
, bindings
, geom_flags
);
806 case GL_DEPTH_STENCIL_EXT
:
807 case GL_DEPTH24_STENCIL8_EXT
:
809 static const enum pipe_format formats
[] = {
810 PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
811 PIPE_FORMAT_S8_USCALED_Z24_UNORM
813 return find_supported_format(screen
, formats
, Elements(formats
),
814 target
, sample_count
, bindings
, geom_flags
);
819 case GL_SRGB_ALPHA_EXT
:
820 case GL_SRGB8_ALPHA8_EXT
:
821 return default_srgba_format( screen
, target
, sample_count
, bindings
,
824 case GL_COMPRESSED_SRGB_EXT
:
825 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
826 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT1_SRGB
, target
,
827 sample_count
, bindings
, geom_flags
))
828 return PIPE_FORMAT_DXT1_SRGB
;
829 return default_srgba_format( screen
, target
, sample_count
, bindings
,
832 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
833 return PIPE_FORMAT_DXT1_SRGBA
;
835 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
836 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
837 if (screen
->is_format_supported(screen
, PIPE_FORMAT_DXT3_SRGBA
, target
,
838 sample_count
, bindings
, geom_flags
))
839 return PIPE_FORMAT_DXT3_SRGBA
;
840 return default_srgba_format( screen
, target
, sample_count
, bindings
,
843 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
844 return PIPE_FORMAT_DXT5_SRGBA
;
846 case GL_SLUMINANCE_ALPHA_EXT
:
847 case GL_SLUMINANCE8_ALPHA8_EXT
:
848 case GL_COMPRESSED_SLUMINANCE_EXT
:
849 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
850 if (screen
->is_format_supported(screen
, PIPE_FORMAT_L8A8_SRGB
, target
,
851 sample_count
, bindings
, geom_flags
))
852 return PIPE_FORMAT_L8A8_SRGB
;
853 return default_srgba_format( screen
, target
, sample_count
, bindings
,
856 case GL_SLUMINANCE_EXT
:
857 case GL_SLUMINANCE8_EXT
:
858 if (screen
->is_format_supported(screen
, PIPE_FORMAT_L8_SRGB
, target
,
859 sample_count
, bindings
, geom_flags
))
860 return PIPE_FORMAT_L8_SRGB
;
861 return default_srgba_format( screen
, target
, sample_count
, bindings
,
866 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8_UNORM
, target
,
867 sample_count
, bindings
, geom_flags
))
868 return PIPE_FORMAT_R8_UNORM
;
869 return PIPE_FORMAT_NONE
;
872 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8G8_UNORM
, target
,
873 sample_count
, bindings
, geom_flags
))
874 return PIPE_FORMAT_R8G8_UNORM
;
875 return PIPE_FORMAT_NONE
;
878 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R16_UNORM
, target
,
879 sample_count
, bindings
, geom_flags
))
880 return PIPE_FORMAT_R16_UNORM
;
881 return PIPE_FORMAT_NONE
;
884 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R16G16_UNORM
, target
,
885 sample_count
, bindings
, geom_flags
))
886 return PIPE_FORMAT_R16G16_UNORM
;
887 return PIPE_FORMAT_NONE
;
889 case GL_COMPRESSED_RED
:
890 case GL_COMPRESSED_RED_RGTC1
:
891 if (screen
->is_format_supported(screen
, PIPE_FORMAT_RGTC1_UNORM
, target
,
892 sample_count
, bindings
, geom_flags
))
893 return PIPE_FORMAT_RGTC1_UNORM
;
894 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8_UNORM
, target
,
895 sample_count
, bindings
, geom_flags
))
896 return PIPE_FORMAT_R8_UNORM
;
897 return PIPE_FORMAT_NONE
;
899 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
900 if (screen
->is_format_supported(screen
, PIPE_FORMAT_RGTC1_SNORM
, target
,
901 sample_count
, bindings
, geom_flags
))
902 return PIPE_FORMAT_RGTC1_SNORM
;
903 return PIPE_FORMAT_NONE
;
905 case GL_COMPRESSED_RG
:
906 case GL_COMPRESSED_RG_RGTC2
:
907 if (screen
->is_format_supported(screen
, PIPE_FORMAT_RGTC2_UNORM
, target
,
908 sample_count
, bindings
, geom_flags
))
909 return PIPE_FORMAT_RGTC2_UNORM
;
910 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8G8_UNORM
, target
,
911 sample_count
, bindings
, geom_flags
))
912 return PIPE_FORMAT_R8G8_UNORM
;
913 return PIPE_FORMAT_NONE
;
915 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
916 if (screen
->is_format_supported(screen
, PIPE_FORMAT_RGTC2_SNORM
, target
,
917 sample_count
, bindings
, geom_flags
))
918 return PIPE_FORMAT_RGTC2_SNORM
;
919 return PIPE_FORMAT_NONE
;
921 case GL_COMPRESSED_LUMINANCE
:
922 case GL_COMPRESSED_LUMINANCE_LATC1_EXT
:
923 if (screen
->is_format_supported(screen
, PIPE_FORMAT_LATC1_UNORM
, target
,
924 sample_count
, bindings
, geom_flags
))
925 return PIPE_FORMAT_LATC1_UNORM
;
926 if (screen
->is_format_supported(screen
, PIPE_FORMAT_L8_UNORM
, target
,
927 sample_count
, bindings
, geom_flags
))
928 return PIPE_FORMAT_L8_UNORM
;
929 return PIPE_FORMAT_NONE
;
931 case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
:
932 if (screen
->is_format_supported(screen
, PIPE_FORMAT_LATC1_SNORM
, target
,
933 sample_count
, bindings
, geom_flags
))
934 return PIPE_FORMAT_LATC1_SNORM
;
935 return PIPE_FORMAT_NONE
;
937 case GL_COMPRESSED_LUMINANCE_ALPHA
:
938 case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
:
939 case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
:
940 if (screen
->is_format_supported(screen
, PIPE_FORMAT_LATC2_UNORM
, target
,
941 sample_count
, bindings
, geom_flags
))
942 return PIPE_FORMAT_LATC2_UNORM
;
943 if (screen
->is_format_supported(screen
, PIPE_FORMAT_L8A8_UNORM
, target
,
944 sample_count
, bindings
, geom_flags
))
945 return PIPE_FORMAT_L8A8_UNORM
;
946 return PIPE_FORMAT_NONE
;
948 case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
:
949 if (screen
->is_format_supported(screen
, PIPE_FORMAT_LATC2_SNORM
, target
,
950 sample_count
, bindings
, geom_flags
))
951 return PIPE_FORMAT_LATC2_SNORM
;
952 return PIPE_FORMAT_NONE
;
954 /* signed/unsigned integer formats.
955 * XXX Mesa only has formats for RGBA signed/unsigned integer formats.
956 * If/when new formats are added this code should be updated.
958 case GL_RED_INTEGER_EXT
:
959 case GL_GREEN_INTEGER_EXT
:
960 case GL_BLUE_INTEGER_EXT
:
961 case GL_ALPHA_INTEGER_EXT
:
962 case GL_RGB_INTEGER_EXT
:
963 case GL_RGBA_INTEGER_EXT
:
964 case GL_BGR_INTEGER_EXT
:
965 case GL_BGRA_INTEGER_EXT
:
966 case GL_LUMINANCE_INTEGER_EXT
:
967 case GL_LUMINANCE_ALPHA_INTEGER_EXT
:
972 case GL_INTENSITY8I_EXT
:
973 case GL_LUMINANCE8I_EXT
:
974 case GL_LUMINANCE_ALPHA8I_EXT
:
975 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8G8B8A8_SSCALED
,
977 sample_count
, bindings
, geom_flags
))
978 return PIPE_FORMAT_R8G8B8A8_SSCALED
;
979 return PIPE_FORMAT_NONE
;
982 case GL_ALPHA16I_EXT
:
983 case GL_INTENSITY16I_EXT
:
984 case GL_LUMINANCE16I_EXT
:
985 case GL_LUMINANCE_ALPHA16I_EXT
:
986 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R16G16B16A16_SSCALED
,
988 sample_count
, bindings
, geom_flags
))
989 return PIPE_FORMAT_R16G16B16A16_SSCALED
;
990 return PIPE_FORMAT_NONE
;
993 case GL_ALPHA32I_EXT
:
994 case GL_INTENSITY32I_EXT
:
995 case GL_LUMINANCE32I_EXT
:
996 case GL_LUMINANCE_ALPHA32I_EXT
:
998 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R32G32B32A32_SSCALED
,
1000 sample_count
, bindings
, geom_flags
))
1001 return PIPE_FORMAT_R32G32B32A32_SSCALED
;
1002 return PIPE_FORMAT_NONE
;
1004 case GL_RGBA8UI_EXT
:
1006 case GL_ALPHA8UI_EXT
:
1007 case GL_INTENSITY8UI_EXT
:
1008 case GL_LUMINANCE8UI_EXT
:
1009 case GL_LUMINANCE_ALPHA8UI_EXT
:
1010 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R8G8B8A8_USCALED
,
1012 sample_count
, bindings
, geom_flags
))
1013 return PIPE_FORMAT_R8G8B8A8_USCALED
;
1014 return PIPE_FORMAT_NONE
;
1016 case GL_RGBA16UI_EXT
:
1017 case GL_RGB16UI_EXT
:
1018 case GL_ALPHA16UI_EXT
:
1019 case GL_INTENSITY16UI_EXT
:
1020 case GL_LUMINANCE16UI_EXT
:
1021 case GL_LUMINANCE_ALPHA16UI_EXT
:
1022 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R16G16B16A16_USCALED
,
1024 sample_count
, bindings
, geom_flags
))
1025 return PIPE_FORMAT_R16G16B16A16_USCALED
;
1026 return PIPE_FORMAT_NONE
;
1028 case GL_RGBA32UI_EXT
:
1029 case GL_RGB32UI_EXT
:
1030 case GL_ALPHA32UI_EXT
:
1031 case GL_INTENSITY32UI_EXT
:
1032 case GL_LUMINANCE32UI_EXT
:
1033 case GL_LUMINANCE_ALPHA32UI_EXT
:
1034 if (screen
->is_format_supported(screen
, PIPE_FORMAT_R32G32B32A32_USCALED
,
1036 sample_count
, bindings
, geom_flags
))
1037 return PIPE_FORMAT_R32G32B32A32_USCALED
;
1038 return PIPE_FORMAT_NONE
;
1041 return PIPE_FORMAT_NONE
;
1047 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1050 st_choose_renderbuffer_format(struct pipe_screen
*screen
,
1051 GLenum internalFormat
, unsigned sample_count
)
1054 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1055 usage
= PIPE_BIND_DEPTH_STENCIL
;
1057 usage
= PIPE_BIND_RENDER_TARGET
;
1058 return st_choose_format(screen
, internalFormat
, PIPE_TEXTURE_2D
,
1059 sample_count
, usage
);
1064 * Called via ctx->Driver.chooseTextureFormat().
1067 st_ChooseTextureFormat_renderable(struct gl_context
*ctx
, GLint internalFormat
,
1068 GLenum format
, GLenum type
, GLboolean renderable
)
1070 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
1071 enum pipe_format pFormat
;
1077 /* GL textures may wind up being render targets, but we don't know
1078 * that in advance. Specify potential render target flags now.
1080 bindings
= PIPE_BIND_SAMPLER_VIEW
;
1081 if (renderable
== GL_TRUE
) {
1082 if (_mesa_is_depth_format(internalFormat
) ||
1083 _mesa_is_depth_or_stencil_format(internalFormat
))
1084 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1086 bindings
|= PIPE_BIND_RENDER_TARGET
;
1089 pFormat
= st_choose_format(screen
, internalFormat
,
1090 PIPE_TEXTURE_2D
, 0, bindings
);
1092 if (pFormat
== PIPE_FORMAT_NONE
) {
1093 /* try choosing format again, this time without render target bindings */
1094 pFormat
= st_choose_format(screen
, internalFormat
,
1095 PIPE_TEXTURE_2D
, 0, PIPE_BIND_SAMPLER_VIEW
);
1098 if (pFormat
== PIPE_FORMAT_NONE
) {
1099 /* no luck at all */
1100 return MESA_FORMAT_NONE
;
1103 return st_pipe_format_to_mesa_format(pFormat
);
1107 st_ChooseTextureFormat(struct gl_context
*ctx
, GLint internalFormat
,
1108 GLenum format
, GLenum type
)
1110 boolean want_renderable
=
1111 internalFormat
== 3 || internalFormat
== 4 ||
1112 internalFormat
== GL_RGB
|| internalFormat
== GL_RGBA
||
1113 internalFormat
== GL_RGB8
|| internalFormat
== GL_RGBA8
||
1114 internalFormat
== GL_BGRA
;
1116 return st_ChooseTextureFormat_renderable(ctx
, internalFormat
,
1117 format
, type
, want_renderable
);
1121 * Test if a gallium format is equivalent to a GL format/type.
1124 st_equal_formats(enum pipe_format pFormat
, GLenum format
, GLenum type
)
1127 case PIPE_FORMAT_A8B8G8R8_UNORM
:
1128 return format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
;
1129 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1130 return format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
;
1131 case PIPE_FORMAT_B5G6R5_UNORM
:
1132 return format
== GL_RGB
&& type
== GL_UNSIGNED_SHORT_5_6_5
;
1133 /* XXX more combos... */
1140 st_sampler_compat_formats(enum pipe_format format1
, enum pipe_format format2
)
1142 if (format1
== format2
)
1145 if (format1
== PIPE_FORMAT_B8G8R8A8_UNORM
&&
1146 format2
== PIPE_FORMAT_B8G8R8X8_UNORM
)
1149 if (format1
== PIPE_FORMAT_B8G8R8X8_UNORM
&&
1150 format2
== PIPE_FORMAT_B8G8R8A8_UNORM
)
1153 if (format1
== PIPE_FORMAT_A8B8G8R8_UNORM
&&
1154 format2
== PIPE_FORMAT_X8B8G8R8_UNORM
)
1157 if (format1
== PIPE_FORMAT_X8B8G8R8_UNORM
&&
1158 format2
== PIPE_FORMAT_A8B8G8R8_UNORM
)
1161 if (format1
== PIPE_FORMAT_A8R8G8B8_UNORM
&&
1162 format2
== PIPE_FORMAT_X8R8G8B8_UNORM
)
1165 if (format1
== PIPE_FORMAT_X8R8G8B8_UNORM
&&
1166 format2
== PIPE_FORMAT_A8R8G8B8_UNORM
)
1175 * This is used for translating texture border color and the clear
1176 * color. For example, the clear color is interpreted according to
1177 * the renderbuffer's base format. For example, if clearing a
1178 * GL_LUMINANCE buffer, ClearColor[0] = luminance and ClearColor[1] =
1179 * alpha. Similarly for texture border colors.
1182 st_translate_color(const GLfloat colorIn
[4], GLenum baseFormat
,
1183 GLfloat colorOut
[4])
1185 switch (baseFormat
) {
1187 colorOut
[0] = colorIn
[0];
1193 colorOut
[0] = colorIn
[0];
1194 colorOut
[1] = colorIn
[1];
1199 colorOut
[0] = colorIn
[0];
1200 colorOut
[1] = colorIn
[1];
1201 colorOut
[2] = colorIn
[2];
1205 colorOut
[0] = colorOut
[1] = colorOut
[2] = 0.0;
1206 colorOut
[3] = colorIn
[3];
1209 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1212 case GL_LUMINANCE_ALPHA
:
1213 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1214 colorOut
[3] = colorIn
[3];
1217 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorOut
[3] = colorIn
[0];
1220 COPY_4V(colorOut
, colorIn
);