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 * Translate Mesa format to Gallium format.
54 st_mesa_format_to_pipe_format(gl_format mesaFormat
)
57 case MESA_FORMAT_RGBA8888
:
58 return PIPE_FORMAT_A8B8G8R8_UNORM
;
59 case MESA_FORMAT_RGBA8888_REV
:
60 return PIPE_FORMAT_R8G8B8A8_UNORM
;
61 case MESA_FORMAT_ARGB8888
:
62 return PIPE_FORMAT_B8G8R8A8_UNORM
;
63 case MESA_FORMAT_ARGB8888_REV
:
64 return PIPE_FORMAT_A8R8G8B8_UNORM
;
65 case MESA_FORMAT_RGBX8888
:
66 return PIPE_FORMAT_X8B8G8R8_UNORM
;
67 case MESA_FORMAT_RGBX8888_REV
:
68 return PIPE_FORMAT_R8G8B8X8_UNORM
;
69 case MESA_FORMAT_XRGB8888
:
70 return PIPE_FORMAT_B8G8R8X8_UNORM
;
71 case MESA_FORMAT_XRGB8888_REV
:
72 return PIPE_FORMAT_X8R8G8B8_UNORM
;
73 case MESA_FORMAT_ARGB1555
:
74 return PIPE_FORMAT_B5G5R5A1_UNORM
;
75 case MESA_FORMAT_ARGB4444
:
76 return PIPE_FORMAT_B4G4R4A4_UNORM
;
77 case MESA_FORMAT_RGB565
:
78 return PIPE_FORMAT_B5G6R5_UNORM
;
79 case MESA_FORMAT_RGB332
:
80 return PIPE_FORMAT_B2G3R3_UNORM
;
81 case MESA_FORMAT_ARGB2101010
:
82 return PIPE_FORMAT_B10G10R10A2_UNORM
;
83 case MESA_FORMAT_AL44
:
84 return PIPE_FORMAT_L4A4_UNORM
;
85 case MESA_FORMAT_AL88
:
86 return PIPE_FORMAT_L8A8_UNORM
;
87 case MESA_FORMAT_AL1616
:
88 return PIPE_FORMAT_L16A16_UNORM
;
90 return PIPE_FORMAT_A8_UNORM
;
92 return PIPE_FORMAT_A16_UNORM
;
94 return PIPE_FORMAT_L8_UNORM
;
96 return PIPE_FORMAT_L16_UNORM
;
98 return PIPE_FORMAT_I8_UNORM
;
100 return PIPE_FORMAT_I16_UNORM
;
101 case MESA_FORMAT_Z16
:
102 return PIPE_FORMAT_Z16_UNORM
;
103 case MESA_FORMAT_Z32
:
104 return PIPE_FORMAT_Z32_UNORM
;
105 case MESA_FORMAT_Z24_S8
:
106 return PIPE_FORMAT_S8_UINT_Z24_UNORM
;
107 case MESA_FORMAT_S8_Z24
:
108 return PIPE_FORMAT_Z24_UNORM_S8_UINT
;
109 case MESA_FORMAT_Z24_X8
:
110 return PIPE_FORMAT_X8Z24_UNORM
;
111 case MESA_FORMAT_X8_Z24
:
112 return PIPE_FORMAT_Z24X8_UNORM
;
114 return PIPE_FORMAT_S8_UINT
;
115 case MESA_FORMAT_Z32_FLOAT
:
116 return PIPE_FORMAT_Z32_FLOAT
;
117 case MESA_FORMAT_Z32_FLOAT_X24S8
:
118 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
;
119 case MESA_FORMAT_YCBCR
:
120 return PIPE_FORMAT_UYVY
;
121 #if FEATURE_texture_s3tc
122 case MESA_FORMAT_RGB_DXT1
:
123 return PIPE_FORMAT_DXT1_RGB
;
124 case MESA_FORMAT_RGBA_DXT1
:
125 return PIPE_FORMAT_DXT1_RGBA
;
126 case MESA_FORMAT_RGBA_DXT3
:
127 return PIPE_FORMAT_DXT3_RGBA
;
128 case MESA_FORMAT_RGBA_DXT5
:
129 return PIPE_FORMAT_DXT5_RGBA
;
130 #if FEATURE_EXT_texture_sRGB
131 case MESA_FORMAT_SRGB_DXT1
:
132 return PIPE_FORMAT_DXT1_SRGB
;
133 case MESA_FORMAT_SRGBA_DXT1
:
134 return PIPE_FORMAT_DXT1_SRGBA
;
135 case MESA_FORMAT_SRGBA_DXT3
:
136 return PIPE_FORMAT_DXT3_SRGBA
;
137 case MESA_FORMAT_SRGBA_DXT5
:
138 return PIPE_FORMAT_DXT5_SRGBA
;
141 #if FEATURE_EXT_texture_sRGB
142 case MESA_FORMAT_SLA8
:
143 return PIPE_FORMAT_L8A8_SRGB
;
144 case MESA_FORMAT_SL8
:
145 return PIPE_FORMAT_L8_SRGB
;
146 case MESA_FORMAT_SRGB8
:
147 return PIPE_FORMAT_R8G8B8_SRGB
;
148 case MESA_FORMAT_SRGBA8
:
149 return PIPE_FORMAT_A8B8G8R8_SRGB
;
150 case MESA_FORMAT_SARGB8
:
151 return PIPE_FORMAT_B8G8R8A8_SRGB
;
153 case MESA_FORMAT_RGBA_FLOAT32
:
154 return PIPE_FORMAT_R32G32B32A32_FLOAT
;
155 case MESA_FORMAT_RGBA_FLOAT16
:
156 return PIPE_FORMAT_R16G16B16A16_FLOAT
;
157 case MESA_FORMAT_RGB_FLOAT32
:
158 return PIPE_FORMAT_R32G32B32_FLOAT
;
159 case MESA_FORMAT_RGB_FLOAT16
:
160 return PIPE_FORMAT_R16G16B16_FLOAT
;
161 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
:
162 return PIPE_FORMAT_L32A32_FLOAT
;
163 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
:
164 return PIPE_FORMAT_L16A16_FLOAT
;
165 case MESA_FORMAT_LUMINANCE_FLOAT32
:
166 return PIPE_FORMAT_L32_FLOAT
;
167 case MESA_FORMAT_LUMINANCE_FLOAT16
:
168 return PIPE_FORMAT_L16_FLOAT
;
169 case MESA_FORMAT_ALPHA_FLOAT32
:
170 return PIPE_FORMAT_A32_FLOAT
;
171 case MESA_FORMAT_ALPHA_FLOAT16
:
172 return PIPE_FORMAT_A16_FLOAT
;
173 case MESA_FORMAT_INTENSITY_FLOAT32
:
174 return PIPE_FORMAT_I32_FLOAT
;
175 case MESA_FORMAT_INTENSITY_FLOAT16
:
176 return PIPE_FORMAT_I16_FLOAT
;
177 case MESA_FORMAT_R_FLOAT32
:
178 return PIPE_FORMAT_R32_FLOAT
;
179 case MESA_FORMAT_R_FLOAT16
:
180 return PIPE_FORMAT_R16_FLOAT
;
181 case MESA_FORMAT_RG_FLOAT32
:
182 return PIPE_FORMAT_R32G32_FLOAT
;
183 case MESA_FORMAT_RG_FLOAT16
:
184 return PIPE_FORMAT_R16G16_FLOAT
;
187 return PIPE_FORMAT_R8_UNORM
;
188 case MESA_FORMAT_R16
:
189 return PIPE_FORMAT_R16_UNORM
;
190 case MESA_FORMAT_GR88
:
191 return PIPE_FORMAT_R8G8_UNORM
;
192 case MESA_FORMAT_RG1616
:
193 return PIPE_FORMAT_R16G16_UNORM
;
194 case MESA_FORMAT_RGBA_16
:
195 return PIPE_FORMAT_R16G16B16A16_UNORM
;
197 /* signed int formats */
198 case MESA_FORMAT_ALPHA_UINT8
:
199 return PIPE_FORMAT_A8_UINT
;
200 case MESA_FORMAT_ALPHA_UINT16
:
201 return PIPE_FORMAT_A16_UINT
;
202 case MESA_FORMAT_ALPHA_UINT32
:
203 return PIPE_FORMAT_A32_UINT
;
205 case MESA_FORMAT_ALPHA_INT8
:
206 return PIPE_FORMAT_A8_SINT
;
207 case MESA_FORMAT_ALPHA_INT16
:
208 return PIPE_FORMAT_A16_SINT
;
209 case MESA_FORMAT_ALPHA_INT32
:
210 return PIPE_FORMAT_A32_SINT
;
212 case MESA_FORMAT_INTENSITY_UINT8
:
213 return PIPE_FORMAT_I8_UINT
;
214 case MESA_FORMAT_INTENSITY_UINT16
:
215 return PIPE_FORMAT_I16_UINT
;
216 case MESA_FORMAT_INTENSITY_UINT32
:
217 return PIPE_FORMAT_I32_UINT
;
219 case MESA_FORMAT_INTENSITY_INT8
:
220 return PIPE_FORMAT_I8_SINT
;
221 case MESA_FORMAT_INTENSITY_INT16
:
222 return PIPE_FORMAT_I16_SINT
;
223 case MESA_FORMAT_INTENSITY_INT32
:
224 return PIPE_FORMAT_I32_SINT
;
226 case MESA_FORMAT_LUMINANCE_UINT8
:
227 return PIPE_FORMAT_L8_UINT
;
228 case MESA_FORMAT_LUMINANCE_UINT16
:
229 return PIPE_FORMAT_L16_UINT
;
230 case MESA_FORMAT_LUMINANCE_UINT32
:
231 return PIPE_FORMAT_L32_UINT
;
233 case MESA_FORMAT_LUMINANCE_INT8
:
234 return PIPE_FORMAT_L8_SINT
;
235 case MESA_FORMAT_LUMINANCE_INT16
:
236 return PIPE_FORMAT_L16_SINT
;
237 case MESA_FORMAT_LUMINANCE_INT32
:
238 return PIPE_FORMAT_L32_SINT
;
240 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8
:
241 return PIPE_FORMAT_L8A8_UINT
;
242 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16
:
243 return PIPE_FORMAT_L16A16_UINT
;
244 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32
:
245 return PIPE_FORMAT_L32A32_UINT
;
247 case MESA_FORMAT_LUMINANCE_ALPHA_INT8
:
248 return PIPE_FORMAT_L8A8_SINT
;
249 case MESA_FORMAT_LUMINANCE_ALPHA_INT16
:
250 return PIPE_FORMAT_L16A16_SINT
;
251 case MESA_FORMAT_LUMINANCE_ALPHA_INT32
:
252 return PIPE_FORMAT_L32A32_SINT
;
254 case MESA_FORMAT_R_INT8
:
255 return PIPE_FORMAT_R8_SINT
;
256 case MESA_FORMAT_RG_INT8
:
257 return PIPE_FORMAT_R8G8_SINT
;
258 case MESA_FORMAT_RGB_INT8
:
259 return PIPE_FORMAT_R8G8B8_SINT
;
260 case MESA_FORMAT_RGBA_INT8
:
261 return PIPE_FORMAT_R8G8B8A8_SINT
;
262 case MESA_FORMAT_R_INT16
:
263 return PIPE_FORMAT_R16_SINT
;
264 case MESA_FORMAT_RG_INT16
:
265 return PIPE_FORMAT_R16G16_SINT
;
266 case MESA_FORMAT_RGB_INT16
:
267 return PIPE_FORMAT_R16G16B16_SINT
;
268 case MESA_FORMAT_RGBA_INT16
:
269 return PIPE_FORMAT_R16G16B16A16_SINT
;
270 case MESA_FORMAT_R_INT32
:
271 return PIPE_FORMAT_R32_SINT
;
272 case MESA_FORMAT_RG_INT32
:
273 return PIPE_FORMAT_R32G32_SINT
;
274 case MESA_FORMAT_RGB_INT32
:
275 return PIPE_FORMAT_R32G32B32_SINT
;
276 case MESA_FORMAT_RGBA_INT32
:
277 return PIPE_FORMAT_R32G32B32A32_SINT
;
279 /* unsigned int formats */
280 case MESA_FORMAT_R_UINT8
:
281 return PIPE_FORMAT_R8_UINT
;
282 case MESA_FORMAT_RG_UINT8
:
283 return PIPE_FORMAT_R8G8_UINT
;
284 case MESA_FORMAT_RGB_UINT8
:
285 return PIPE_FORMAT_R8G8B8_UINT
;
286 case MESA_FORMAT_RGBA_UINT8
:
287 return PIPE_FORMAT_R8G8B8A8_UINT
;
288 case MESA_FORMAT_R_UINT16
:
289 return PIPE_FORMAT_R16_UINT
;
290 case MESA_FORMAT_RG_UINT16
:
291 return PIPE_FORMAT_R16G16_UINT
;
292 case MESA_FORMAT_RGB_UINT16
:
293 return PIPE_FORMAT_R16G16B16_UINT
;
294 case MESA_FORMAT_RGBA_UINT16
:
295 return PIPE_FORMAT_R16G16B16A16_UINT
;
296 case MESA_FORMAT_R_UINT32
:
297 return PIPE_FORMAT_R32_UINT
;
298 case MESA_FORMAT_RG_UINT32
:
299 return PIPE_FORMAT_R32G32_UINT
;
300 case MESA_FORMAT_RGB_UINT32
:
301 return PIPE_FORMAT_R32G32B32_UINT
;
302 case MESA_FORMAT_RGBA_UINT32
:
303 return PIPE_FORMAT_R32G32B32A32_UINT
;
305 case MESA_FORMAT_RED_RGTC1
:
306 return PIPE_FORMAT_RGTC1_UNORM
;
307 case MESA_FORMAT_SIGNED_RED_RGTC1
:
308 return PIPE_FORMAT_RGTC1_SNORM
;
309 case MESA_FORMAT_RG_RGTC2
:
310 return PIPE_FORMAT_RGTC2_UNORM
;
311 case MESA_FORMAT_SIGNED_RG_RGTC2
:
312 return PIPE_FORMAT_RGTC2_SNORM
;
314 case MESA_FORMAT_L_LATC1
:
315 return PIPE_FORMAT_LATC1_UNORM
;
316 case MESA_FORMAT_SIGNED_L_LATC1
:
317 return PIPE_FORMAT_LATC1_SNORM
;
318 case MESA_FORMAT_LA_LATC2
:
319 return PIPE_FORMAT_LATC2_UNORM
;
320 case MESA_FORMAT_SIGNED_LA_LATC2
:
321 return PIPE_FORMAT_LATC2_SNORM
;
323 case MESA_FORMAT_ETC1_RGB8
:
324 return PIPE_FORMAT_ETC1_RGB8
;
326 /* signed normalized formats */
327 case MESA_FORMAT_SIGNED_R8
:
328 return PIPE_FORMAT_R8_SNORM
;
329 case MESA_FORMAT_SIGNED_RG88_REV
:
330 return PIPE_FORMAT_R8G8_SNORM
;
331 case MESA_FORMAT_SIGNED_RGBA8888_REV
:
332 return PIPE_FORMAT_R8G8B8A8_SNORM
;
334 case MESA_FORMAT_SIGNED_A8
:
335 return PIPE_FORMAT_A8_SNORM
;
336 case MESA_FORMAT_SIGNED_L8
:
337 return PIPE_FORMAT_L8_SNORM
;
338 case MESA_FORMAT_SIGNED_AL88
:
339 return PIPE_FORMAT_L8A8_SNORM
;
340 case MESA_FORMAT_SIGNED_I8
:
341 return PIPE_FORMAT_I8_SNORM
;
343 case MESA_FORMAT_SIGNED_R16
:
344 return PIPE_FORMAT_R16_SNORM
;
345 case MESA_FORMAT_SIGNED_GR1616
:
346 return PIPE_FORMAT_R16G16_SNORM
;
347 case MESA_FORMAT_SIGNED_RGBA_16
:
348 return PIPE_FORMAT_R16G16B16A16_SNORM
;
350 case MESA_FORMAT_SIGNED_A16
:
351 return PIPE_FORMAT_A16_SNORM
;
352 case MESA_FORMAT_SIGNED_L16
:
353 return PIPE_FORMAT_L16_SNORM
;
354 case MESA_FORMAT_SIGNED_AL1616
:
355 return PIPE_FORMAT_L16A16_SNORM
;
356 case MESA_FORMAT_SIGNED_I16
:
357 return PIPE_FORMAT_I16_SNORM
;
359 case MESA_FORMAT_RGB9_E5_FLOAT
:
360 return PIPE_FORMAT_R9G9B9E5_FLOAT
;
361 case MESA_FORMAT_R11_G11_B10_FLOAT
:
362 return PIPE_FORMAT_R11G11B10_FLOAT
;
363 case MESA_FORMAT_ARGB2101010_UINT
:
364 return PIPE_FORMAT_B10G10R10A2_UINT
;
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_X8B8G8R8_UNORM
:
388 return MESA_FORMAT_RGBX8888
;
389 case PIPE_FORMAT_R8G8B8X8_UNORM
:
390 return MESA_FORMAT_RGBX8888_REV
;
391 case PIPE_FORMAT_B8G8R8X8_UNORM
:
392 return MESA_FORMAT_XRGB8888
;
393 case PIPE_FORMAT_X8R8G8B8_UNORM
:
394 return MESA_FORMAT_XRGB8888_REV
;
395 case PIPE_FORMAT_B5G5R5A1_UNORM
:
396 return MESA_FORMAT_ARGB1555
;
397 case PIPE_FORMAT_B4G4R4A4_UNORM
:
398 return MESA_FORMAT_ARGB4444
;
399 case PIPE_FORMAT_B5G6R5_UNORM
:
400 return MESA_FORMAT_RGB565
;
401 case PIPE_FORMAT_B2G3R3_UNORM
:
402 return MESA_FORMAT_RGB332
;
403 case PIPE_FORMAT_B10G10R10A2_UNORM
:
404 return MESA_FORMAT_ARGB2101010
;
405 case PIPE_FORMAT_L4A4_UNORM
:
406 return MESA_FORMAT_AL44
;
407 case PIPE_FORMAT_L8A8_UNORM
:
408 return MESA_FORMAT_AL88
;
409 case PIPE_FORMAT_L16A16_UNORM
:
410 return MESA_FORMAT_AL1616
;
411 case PIPE_FORMAT_A8_UNORM
:
412 return MESA_FORMAT_A8
;
413 case PIPE_FORMAT_A16_UNORM
:
414 return MESA_FORMAT_A16
;
415 case PIPE_FORMAT_L8_UNORM
:
416 return MESA_FORMAT_L8
;
417 case PIPE_FORMAT_L16_UNORM
:
418 return MESA_FORMAT_L16
;
419 case PIPE_FORMAT_I8_UNORM
:
420 return MESA_FORMAT_I8
;
421 case PIPE_FORMAT_I16_UNORM
:
422 return MESA_FORMAT_I16
;
423 case PIPE_FORMAT_S8_UINT
:
424 return MESA_FORMAT_S8
;
426 case PIPE_FORMAT_R16G16B16A16_UNORM
:
427 return MESA_FORMAT_RGBA_16
;
429 case PIPE_FORMAT_Z16_UNORM
:
430 return MESA_FORMAT_Z16
;
431 case PIPE_FORMAT_Z32_UNORM
:
432 return MESA_FORMAT_Z32
;
433 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
434 return MESA_FORMAT_Z24_S8
;
435 case PIPE_FORMAT_X8Z24_UNORM
:
436 return MESA_FORMAT_Z24_X8
;
437 case PIPE_FORMAT_Z24X8_UNORM
:
438 return MESA_FORMAT_X8_Z24
;
439 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
440 return MESA_FORMAT_S8_Z24
;
441 case PIPE_FORMAT_Z32_FLOAT
:
442 return MESA_FORMAT_Z32_FLOAT
;
443 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
444 return MESA_FORMAT_Z32_FLOAT_X24S8
;
446 case PIPE_FORMAT_UYVY
:
447 return MESA_FORMAT_YCBCR
;
448 case PIPE_FORMAT_YUYV
:
449 return MESA_FORMAT_YCBCR_REV
;
451 #if FEATURE_texture_s3tc
452 case PIPE_FORMAT_DXT1_RGB
:
453 return MESA_FORMAT_RGB_DXT1
;
454 case PIPE_FORMAT_DXT1_RGBA
:
455 return MESA_FORMAT_RGBA_DXT1
;
456 case PIPE_FORMAT_DXT3_RGBA
:
457 return MESA_FORMAT_RGBA_DXT3
;
458 case PIPE_FORMAT_DXT5_RGBA
:
459 return MESA_FORMAT_RGBA_DXT5
;
460 #if FEATURE_EXT_texture_sRGB
461 case PIPE_FORMAT_DXT1_SRGB
:
462 return MESA_FORMAT_SRGB_DXT1
;
463 case PIPE_FORMAT_DXT1_SRGBA
:
464 return MESA_FORMAT_SRGBA_DXT1
;
465 case PIPE_FORMAT_DXT3_SRGBA
:
466 return MESA_FORMAT_SRGBA_DXT3
;
467 case PIPE_FORMAT_DXT5_SRGBA
:
468 return MESA_FORMAT_SRGBA_DXT5
;
472 #if FEATURE_EXT_texture_sRGB
473 case PIPE_FORMAT_L8A8_SRGB
:
474 return MESA_FORMAT_SLA8
;
475 case PIPE_FORMAT_L8_SRGB
:
476 return MESA_FORMAT_SL8
;
477 case PIPE_FORMAT_R8G8B8_SRGB
:
478 return MESA_FORMAT_SRGB8
;
479 case PIPE_FORMAT_A8B8G8R8_SRGB
:
480 return MESA_FORMAT_SRGBA8
;
481 case PIPE_FORMAT_B8G8R8A8_SRGB
:
482 return MESA_FORMAT_SARGB8
;
484 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
485 return MESA_FORMAT_RGBA_FLOAT32
;
486 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
487 return MESA_FORMAT_RGBA_FLOAT16
;
488 case PIPE_FORMAT_R32G32B32_FLOAT
:
489 return MESA_FORMAT_RGB_FLOAT32
;
490 case PIPE_FORMAT_R16G16B16_FLOAT
:
491 return MESA_FORMAT_RGB_FLOAT16
;
492 case PIPE_FORMAT_L32A32_FLOAT
:
493 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
;
494 case PIPE_FORMAT_L16A16_FLOAT
:
495 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
;
496 case PIPE_FORMAT_L32_FLOAT
:
497 return MESA_FORMAT_LUMINANCE_FLOAT32
;
498 case PIPE_FORMAT_L16_FLOAT
:
499 return MESA_FORMAT_LUMINANCE_FLOAT16
;
500 case PIPE_FORMAT_A32_FLOAT
:
501 return MESA_FORMAT_ALPHA_FLOAT32
;
502 case PIPE_FORMAT_A16_FLOAT
:
503 return MESA_FORMAT_ALPHA_FLOAT16
;
504 case PIPE_FORMAT_I32_FLOAT
:
505 return MESA_FORMAT_INTENSITY_FLOAT32
;
506 case PIPE_FORMAT_I16_FLOAT
:
507 return MESA_FORMAT_INTENSITY_FLOAT16
;
508 case PIPE_FORMAT_R32_FLOAT
:
509 return MESA_FORMAT_R_FLOAT32
;
510 case PIPE_FORMAT_R16_FLOAT
:
511 return MESA_FORMAT_R_FLOAT16
;
512 case PIPE_FORMAT_R32G32_FLOAT
:
513 return MESA_FORMAT_RG_FLOAT32
;
514 case PIPE_FORMAT_R16G16_FLOAT
:
515 return MESA_FORMAT_RG_FLOAT16
;
517 case PIPE_FORMAT_R8_UNORM
:
518 return MESA_FORMAT_R8
;
519 case PIPE_FORMAT_R16_UNORM
:
520 return MESA_FORMAT_R16
;
521 case PIPE_FORMAT_R8G8_UNORM
:
522 return MESA_FORMAT_GR88
;
523 case PIPE_FORMAT_R16G16_UNORM
:
524 return MESA_FORMAT_RG1616
;
526 case PIPE_FORMAT_A8_UINT
:
527 return MESA_FORMAT_ALPHA_UINT8
;
528 case PIPE_FORMAT_A16_UINT
:
529 return MESA_FORMAT_ALPHA_UINT16
;
530 case PIPE_FORMAT_A32_UINT
:
531 return MESA_FORMAT_ALPHA_UINT32
;
532 case PIPE_FORMAT_A8_SINT
:
533 return MESA_FORMAT_ALPHA_INT8
;
534 case PIPE_FORMAT_A16_SINT
:
535 return MESA_FORMAT_ALPHA_INT16
;
536 case PIPE_FORMAT_A32_SINT
:
537 return MESA_FORMAT_ALPHA_INT32
;
539 case PIPE_FORMAT_I8_UINT
:
540 return MESA_FORMAT_INTENSITY_UINT8
;
541 case PIPE_FORMAT_I16_UINT
:
542 return MESA_FORMAT_INTENSITY_UINT16
;
543 case PIPE_FORMAT_I32_UINT
:
544 return MESA_FORMAT_INTENSITY_UINT32
;
545 case PIPE_FORMAT_I8_SINT
:
546 return MESA_FORMAT_INTENSITY_INT8
;
547 case PIPE_FORMAT_I16_SINT
:
548 return MESA_FORMAT_INTENSITY_INT16
;
549 case PIPE_FORMAT_I32_SINT
:
550 return MESA_FORMAT_INTENSITY_INT32
;
552 case PIPE_FORMAT_L8_UINT
:
553 return MESA_FORMAT_LUMINANCE_UINT8
;
554 case PIPE_FORMAT_L16_UINT
:
555 return MESA_FORMAT_LUMINANCE_UINT16
;
556 case PIPE_FORMAT_L32_UINT
:
557 return MESA_FORMAT_LUMINANCE_UINT32
;
558 case PIPE_FORMAT_L8_SINT
:
559 return MESA_FORMAT_LUMINANCE_INT8
;
560 case PIPE_FORMAT_L16_SINT
:
561 return MESA_FORMAT_LUMINANCE_INT16
;
562 case PIPE_FORMAT_L32_SINT
:
563 return MESA_FORMAT_LUMINANCE_INT32
;
565 case PIPE_FORMAT_L8A8_UINT
:
566 return MESA_FORMAT_LUMINANCE_ALPHA_UINT8
;
567 case PIPE_FORMAT_L16A16_UINT
:
568 return MESA_FORMAT_LUMINANCE_ALPHA_UINT16
;
569 case PIPE_FORMAT_L32A32_UINT
:
570 return MESA_FORMAT_LUMINANCE_ALPHA_UINT32
;
571 case PIPE_FORMAT_L8A8_SINT
:
572 return MESA_FORMAT_LUMINANCE_ALPHA_INT8
;
573 case PIPE_FORMAT_L16A16_SINT
:
574 return MESA_FORMAT_LUMINANCE_ALPHA_INT16
;
575 case PIPE_FORMAT_L32A32_SINT
:
576 return MESA_FORMAT_LUMINANCE_ALPHA_INT32
;
578 case PIPE_FORMAT_R8_SINT
:
579 return MESA_FORMAT_R_INT8
;
580 case PIPE_FORMAT_R8G8_SINT
:
581 return MESA_FORMAT_RG_INT8
;
582 case PIPE_FORMAT_R8G8B8_SINT
:
583 return MESA_FORMAT_RGB_INT8
;
584 case PIPE_FORMAT_R8G8B8A8_SINT
:
585 return MESA_FORMAT_RGBA_INT8
;
587 case PIPE_FORMAT_R16_SINT
:
588 return MESA_FORMAT_R_INT16
;
589 case PIPE_FORMAT_R16G16_SINT
:
590 return MESA_FORMAT_RG_INT16
;
591 case PIPE_FORMAT_R16G16B16_SINT
:
592 return MESA_FORMAT_RGB_INT16
;
593 case PIPE_FORMAT_R16G16B16A16_SINT
:
594 return MESA_FORMAT_RGBA_INT16
;
596 case PIPE_FORMAT_R32_SINT
:
597 return MESA_FORMAT_R_INT32
;
598 case PIPE_FORMAT_R32G32_SINT
:
599 return MESA_FORMAT_RG_INT32
;
600 case PIPE_FORMAT_R32G32B32_SINT
:
601 return MESA_FORMAT_RGB_INT32
;
602 case PIPE_FORMAT_R32G32B32A32_SINT
:
603 return MESA_FORMAT_RGBA_INT32
;
605 /* unsigned int formats */
606 case PIPE_FORMAT_R8_UINT
:
607 return MESA_FORMAT_R_UINT8
;
608 case PIPE_FORMAT_R8G8_UINT
:
609 return MESA_FORMAT_RG_UINT8
;
610 case PIPE_FORMAT_R8G8B8_UINT
:
611 return MESA_FORMAT_RGB_UINT8
;
612 case PIPE_FORMAT_R8G8B8A8_UINT
:
613 return MESA_FORMAT_RGBA_UINT8
;
615 case PIPE_FORMAT_R16_UINT
:
616 return MESA_FORMAT_R_UINT16
;
617 case PIPE_FORMAT_R16G16_UINT
:
618 return MESA_FORMAT_RG_UINT16
;
619 case PIPE_FORMAT_R16G16B16_UINT
:
620 return MESA_FORMAT_RGB_UINT16
;
621 case PIPE_FORMAT_R16G16B16A16_UINT
:
622 return MESA_FORMAT_RGBA_UINT16
;
624 case PIPE_FORMAT_R32_UINT
:
625 return MESA_FORMAT_R_UINT32
;
626 case PIPE_FORMAT_R32G32_UINT
:
627 return MESA_FORMAT_RG_UINT32
;
628 case PIPE_FORMAT_R32G32B32_UINT
:
629 return MESA_FORMAT_RGB_UINT32
;
630 case PIPE_FORMAT_R32G32B32A32_UINT
:
631 return MESA_FORMAT_RGBA_UINT32
;
633 case PIPE_FORMAT_RGTC1_UNORM
:
634 return MESA_FORMAT_RED_RGTC1
;
635 case PIPE_FORMAT_RGTC1_SNORM
:
636 return MESA_FORMAT_SIGNED_RED_RGTC1
;
637 case PIPE_FORMAT_RGTC2_UNORM
:
638 return MESA_FORMAT_RG_RGTC2
;
639 case PIPE_FORMAT_RGTC2_SNORM
:
640 return MESA_FORMAT_SIGNED_RG_RGTC2
;
642 case PIPE_FORMAT_LATC1_UNORM
:
643 return MESA_FORMAT_L_LATC1
;
644 case PIPE_FORMAT_LATC1_SNORM
:
645 return MESA_FORMAT_SIGNED_L_LATC1
;
646 case PIPE_FORMAT_LATC2_UNORM
:
647 return MESA_FORMAT_LA_LATC2
;
648 case PIPE_FORMAT_LATC2_SNORM
:
649 return MESA_FORMAT_SIGNED_LA_LATC2
;
651 case PIPE_FORMAT_ETC1_RGB8
:
652 return MESA_FORMAT_ETC1_RGB8
;
654 /* signed normalized formats */
655 case PIPE_FORMAT_R8_SNORM
:
656 return MESA_FORMAT_SIGNED_R8
;
657 case PIPE_FORMAT_R8G8_SNORM
:
658 return MESA_FORMAT_SIGNED_RG88_REV
;
659 case PIPE_FORMAT_R8G8B8A8_SNORM
:
660 return MESA_FORMAT_SIGNED_RGBA8888_REV
;
662 case PIPE_FORMAT_A8_SNORM
:
663 return MESA_FORMAT_SIGNED_A8
;
664 case PIPE_FORMAT_L8_SNORM
:
665 return MESA_FORMAT_SIGNED_L8
;
666 case PIPE_FORMAT_L8A8_SNORM
:
667 return MESA_FORMAT_SIGNED_AL88
;
668 case PIPE_FORMAT_I8_SNORM
:
669 return MESA_FORMAT_SIGNED_I8
;
671 case PIPE_FORMAT_R16_SNORM
:
672 return MESA_FORMAT_SIGNED_R16
;
673 case PIPE_FORMAT_R16G16_SNORM
:
674 return MESA_FORMAT_SIGNED_GR1616
;
675 case PIPE_FORMAT_R16G16B16A16_SNORM
:
676 return MESA_FORMAT_SIGNED_RGBA_16
;
678 case PIPE_FORMAT_A16_SNORM
:
679 return MESA_FORMAT_SIGNED_A16
;
680 case PIPE_FORMAT_L16_SNORM
:
681 return MESA_FORMAT_SIGNED_L16
;
682 case PIPE_FORMAT_L16A16_SNORM
:
683 return MESA_FORMAT_SIGNED_AL1616
;
684 case PIPE_FORMAT_I16_SNORM
:
685 return MESA_FORMAT_SIGNED_I16
;
687 case PIPE_FORMAT_R9G9B9E5_FLOAT
:
688 return MESA_FORMAT_RGB9_E5_FLOAT
;
689 case PIPE_FORMAT_R11G11B10_FLOAT
:
690 return MESA_FORMAT_R11_G11_B10_FLOAT
;
692 case PIPE_FORMAT_B10G10R10A2_UINT
:
693 return MESA_FORMAT_ARGB2101010_UINT
;
696 return MESA_FORMAT_NONE
;
702 * Map GL texture formats to Gallium pipe formats.
704 struct format_mapping
706 GLenum glFormats
[18]; /**< list of GLenum formats, 0-terminated */
707 enum pipe_format pipeFormats
[10]; /**< list of pipe formats, 0-terminated */
711 #define DEFAULT_RGBA_FORMATS \
712 PIPE_FORMAT_B8G8R8A8_UNORM, \
713 PIPE_FORMAT_A8R8G8B8_UNORM, \
714 PIPE_FORMAT_A8B8G8R8_UNORM, \
715 PIPE_FORMAT_B5G6R5_UNORM, \
718 #define DEFAULT_RGB_FORMATS \
719 PIPE_FORMAT_B8G8R8X8_UNORM, \
720 PIPE_FORMAT_X8R8G8B8_UNORM, \
721 PIPE_FORMAT_X8B8G8R8_UNORM, \
722 PIPE_FORMAT_B8G8R8A8_UNORM, \
723 PIPE_FORMAT_A8R8G8B8_UNORM, \
724 PIPE_FORMAT_A8B8G8R8_UNORM, \
725 PIPE_FORMAT_B5G6R5_UNORM, \
728 #define DEFAULT_SRGBA_FORMATS \
729 PIPE_FORMAT_B8G8R8A8_SRGB, \
730 PIPE_FORMAT_A8R8G8B8_SRGB, \
731 PIPE_FORMAT_A8B8G8R8_SRGB, \
734 #define DEFAULT_DEPTH_FORMATS \
735 PIPE_FORMAT_Z24X8_UNORM, \
736 PIPE_FORMAT_X8Z24_UNORM, \
737 PIPE_FORMAT_Z16_UNORM, \
738 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
739 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
742 #define DEFAULT_SNORM8_RGBA_FORMATS \
743 PIPE_FORMAT_R8G8B8A8_SNORM, \
746 #define DEFAULT_UNORM16_RGBA_FORMATS \
747 PIPE_FORMAT_R16G16B16A16_UNORM, \
752 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
753 * Multiple GL enums might map to multiple pipe_formats.
754 * The first pipe format in the list that's supported is the one that's chosen.
756 static const struct format_mapping format_map
[] = {
757 /* Basic RGB, RGBA formats */
759 { GL_RGB10
, GL_RGB10_A2
, 0 },
760 { PIPE_FORMAT_B10G10R10A2_UNORM
, DEFAULT_RGBA_FORMATS
}
763 { 4, GL_RGBA
, GL_RGBA8
, 0 },
764 { PIPE_FORMAT_R8G8B8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
768 { PIPE_FORMAT_B8G8R8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
771 { 3, GL_RGB
, GL_RGB8
, 0 },
772 { DEFAULT_RGB_FORMATS
}
775 { GL_RGB12
, GL_RGB16
, GL_RGBA12
, GL_RGBA16
, 0 },
776 { PIPE_FORMAT_R16G16B16A16_UNORM
, DEFAULT_RGBA_FORMATS
}
779 { GL_RGBA4
, GL_RGBA2
, 0 },
780 { PIPE_FORMAT_B4G4R4A4_UNORM
, DEFAULT_RGBA_FORMATS
}
784 { PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
788 { PIPE_FORMAT_B2G3R3_UNORM
, PIPE_FORMAT_B5G6R5_UNORM
,
789 PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
792 { GL_RGB5
, GL_RGB4
},
793 { PIPE_FORMAT_B5G6R5_UNORM
, PIPE_FORMAT_B5G5R5A1_UNORM
,
794 DEFAULT_RGBA_FORMATS
}
798 { PIPE_FORMAT_B5G6R5_UNORM
, DEFAULT_RGBA_FORMATS
}
801 /* basic Alpha formats */
803 { GL_ALPHA12
, GL_ALPHA16
, 0 },
804 { PIPE_FORMAT_A16_UNORM
, PIPE_FORMAT_A8_UNORM
,
805 DEFAULT_RGBA_FORMATS
}
808 { GL_ALPHA
, GL_ALPHA4
, GL_ALPHA8
, GL_COMPRESSED_ALPHA
, 0 },
809 { PIPE_FORMAT_A8_UNORM
, DEFAULT_RGBA_FORMATS
}
812 /* basic Luminance formats */
814 { GL_LUMINANCE12
, GL_LUMINANCE16
, 0 },
815 { PIPE_FORMAT_L16_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
818 { 1, GL_LUMINANCE
, GL_LUMINANCE4
, GL_LUMINANCE8
, 0 },
819 { PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
822 /* basic Luminance/Alpha formats */
824 { GL_LUMINANCE12_ALPHA4
, GL_LUMINANCE12_ALPHA12
,
825 GL_LUMINANCE16_ALPHA16
, 0},
826 { PIPE_FORMAT_L16A16_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
827 DEFAULT_RGBA_FORMATS
}
830 { 2, GL_LUMINANCE_ALPHA
, GL_LUMINANCE6_ALPHA2
, GL_LUMINANCE8_ALPHA8
, 0 },
831 { PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
834 { GL_LUMINANCE4_ALPHA4
, 0 },
835 { PIPE_FORMAT_L4A4_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
836 DEFAULT_RGBA_FORMATS
}
839 /* basic Intensity formats */
841 { GL_INTENSITY12
, GL_INTENSITY16
, 0 },
842 { PIPE_FORMAT_I16_UNORM
, PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
845 { GL_INTENSITY
, GL_INTENSITY4
, GL_INTENSITY8
,
846 GL_COMPRESSED_INTENSITY
, 0 },
847 { PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
852 { GL_YCBCR_MESA
, 0 },
853 { PIPE_FORMAT_UYVY
, PIPE_FORMAT_YUYV
, 0 }
856 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
858 { GL_COMPRESSED_RGB
, 0 },
859 { PIPE_FORMAT_DXT1_RGB
, DEFAULT_RGB_FORMATS
}
862 { GL_COMPRESSED_RGBA
, 0 },
863 { PIPE_FORMAT_DXT5_RGBA
, DEFAULT_RGBA_FORMATS
}
866 { GL_RGB_S3TC
, GL_RGB4_S3TC
, GL_COMPRESSED_RGB_S3TC_DXT1_EXT
, 0 },
867 { PIPE_FORMAT_DXT1_RGB
, 0 }
870 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
, 0 },
871 { PIPE_FORMAT_DXT1_RGBA
, 0 }
874 { GL_RGBA_S3TC
, GL_RGBA4_S3TC
, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
, 0 },
875 { PIPE_FORMAT_DXT3_RGBA
, 0 }
878 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
, 0 },
879 { PIPE_FORMAT_DXT5_RGBA
, 0 }
884 { GL_COMPRESSED_RGB_FXT1_3DFX
, 0 },
885 { PIPE_FORMAT_RGB_FXT1
, 0 }
888 { GL_COMPRESSED_RGBA_FXT1_3DFX
, 0 },
889 { PIPE_FORMAT_RGBA_FXT1
, 0 }
895 { GL_DEPTH_COMPONENT16
, 0 },
896 { PIPE_FORMAT_Z16_UNORM
, DEFAULT_DEPTH_FORMATS
}
899 { GL_DEPTH_COMPONENT24
, 0 },
900 { PIPE_FORMAT_Z24X8_UNORM
, PIPE_FORMAT_X8Z24_UNORM
,
901 DEFAULT_DEPTH_FORMATS
}
904 { GL_DEPTH_COMPONENT32
, 0 },
905 { PIPE_FORMAT_Z32_UNORM
, DEFAULT_DEPTH_FORMATS
}
908 { GL_DEPTH_COMPONENT
, 0 },
909 { DEFAULT_DEPTH_FORMATS
}
912 { GL_DEPTH_COMPONENT32F
, 0 },
913 { PIPE_FORMAT_Z32_FLOAT
, 0 }
916 /* stencil formats */
918 { GL_STENCIL_INDEX
, GL_STENCIL_INDEX1_EXT
, GL_STENCIL_INDEX4_EXT
,
919 GL_STENCIL_INDEX8_EXT
, GL_STENCIL_INDEX16_EXT
, 0 },
921 PIPE_FORMAT_S8_UINT
, PIPE_FORMAT_Z24_UNORM_S8_UINT
,
922 PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0
926 /* Depth / Stencil formats */
928 { GL_DEPTH_STENCIL_EXT
, GL_DEPTH24_STENCIL8_EXT
, 0 },
929 { PIPE_FORMAT_Z24_UNORM_S8_UINT
, PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0 }
932 { GL_DEPTH32F_STENCIL8
, 0 },
933 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
, 0 }
938 { GL_SRGB_EXT
, GL_SRGB8_EXT
, GL_SRGB_ALPHA_EXT
, GL_SRGB8_ALPHA8_EXT
, 0 },
939 { DEFAULT_SRGBA_FORMATS
}
942 { GL_COMPRESSED_SRGB_EXT
, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
, 0 },
943 { PIPE_FORMAT_DXT1_SRGB
, DEFAULT_SRGBA_FORMATS
}
946 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
, 0 },
947 { PIPE_FORMAT_DXT1_SRGBA
, 0 }
950 { GL_COMPRESSED_SRGB_ALPHA_EXT
,
951 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
, 0 },
952 { PIPE_FORMAT_DXT3_SRGBA
, DEFAULT_SRGBA_FORMATS
}
955 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
, 0 },
956 { PIPE_FORMAT_DXT5_SRGBA
, 0 }
959 { GL_SLUMINANCE_ALPHA_EXT
, GL_SLUMINANCE8_ALPHA8_EXT
,
960 GL_COMPRESSED_SLUMINANCE_EXT
, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
, 0 },
961 { PIPE_FORMAT_L8A8_SRGB
, DEFAULT_SRGBA_FORMATS
}
964 { GL_SLUMINANCE_EXT
, GL_SLUMINANCE8_EXT
, 0 },
965 { PIPE_FORMAT_L8_SRGB
, DEFAULT_SRGBA_FORMATS
}
968 /* 16-bit float formats */
970 { GL_RGBA16F_ARB
, 0 },
971 { PIPE_FORMAT_R16G16B16A16_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
974 { GL_RGB16F_ARB
, 0 },
975 { PIPE_FORMAT_R16G16B16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
976 PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
979 { GL_LUMINANCE_ALPHA16F_ARB
, 0 },
980 { PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
981 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
984 { GL_ALPHA16F_ARB
, 0 },
985 { PIPE_FORMAT_A16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
986 PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
987 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
990 { GL_INTENSITY16F_ARB
, 0 },
991 { PIPE_FORMAT_I16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
992 PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
993 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
996 { GL_LUMINANCE16F_ARB
, 0 },
997 { PIPE_FORMAT_L16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
998 PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
999 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1003 { PIPE_FORMAT_R16_FLOAT
, PIPE_FORMAT_R16G16_FLOAT
,
1004 PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1005 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1009 { PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1010 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1013 /* 32-bit float formats */
1015 { GL_RGBA32F_ARB
, 0 },
1016 { PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1019 { GL_RGB32F_ARB
, 0 },
1020 { PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1021 PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1024 { GL_LUMINANCE_ALPHA32F_ARB
, 0 },
1025 { PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1026 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1029 { GL_ALPHA32F_ARB
, 0 },
1030 { PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1031 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_A16_FLOAT
,
1032 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1035 { GL_INTENSITY32F_ARB
, 0 },
1036 { PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1037 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_I16_FLOAT
,
1038 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1041 { GL_LUMINANCE32F_ARB
, 0 },
1042 { PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1043 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_L16_FLOAT
,
1044 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1048 { PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R32G32_FLOAT
,
1049 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16_FLOAT
,
1050 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1054 { PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1055 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1060 { GL_RED
, GL_R8
, 0 },
1061 { PIPE_FORMAT_R8_UNORM
, PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1064 { GL_RG
, GL_RG8
, 0 },
1065 { PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1069 { PIPE_FORMAT_R16_UNORM
, PIPE_FORMAT_R16G16_UNORM
,
1070 DEFAULT_UNORM16_RGBA_FORMATS
}
1074 { PIPE_FORMAT_R16G16_UNORM
, DEFAULT_UNORM16_RGBA_FORMATS
}
1077 /* compressed R, RG formats */
1079 { GL_COMPRESSED_RED
, GL_COMPRESSED_RED_RGTC1
, 0 },
1080 { PIPE_FORMAT_RGTC1_UNORM
, PIPE_FORMAT_R8_UNORM
, DEFAULT_RGBA_FORMATS
}
1083 { GL_COMPRESSED_SIGNED_RED_RGTC1
, 0 },
1084 { PIPE_FORMAT_RGTC1_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1087 { GL_COMPRESSED_RG
, GL_COMPRESSED_RG_RGTC2
, 0 },
1088 { PIPE_FORMAT_RGTC2_UNORM
, PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1091 { GL_COMPRESSED_SIGNED_RG_RGTC2
, 0 },
1092 { PIPE_FORMAT_RGTC2_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1095 { GL_COMPRESSED_LUMINANCE
, GL_COMPRESSED_LUMINANCE_LATC1_EXT
, 0 },
1096 { PIPE_FORMAT_LATC1_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGBA_FORMATS
}
1099 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
, 0 },
1100 { PIPE_FORMAT_LATC1_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1103 { GL_COMPRESSED_LUMINANCE_ALPHA
, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
,
1104 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
, 0 },
1105 { PIPE_FORMAT_LATC2_UNORM
, PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
1108 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
, 0 },
1109 { PIPE_FORMAT_LATC2_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1114 { GL_ETC1_RGB8_OES
, 0 },
1115 { PIPE_FORMAT_ETC1_RGB8
, 0 }
1118 /* signed/unsigned integer formats.
1121 { GL_RED_INTEGER_EXT
,
1122 GL_GREEN_INTEGER_EXT
,
1123 GL_BLUE_INTEGER_EXT
,
1124 GL_RGBA_INTEGER_EXT
,
1125 GL_BGRA_INTEGER_EXT
,
1127 { PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1130 { GL_RGB_INTEGER_EXT
,
1133 { PIPE_FORMAT_R8G8B8_SINT
,
1134 PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1137 { GL_ALPHA_INTEGER_EXT
,
1138 GL_ALPHA8I_EXT
, 0 },
1139 { PIPE_FORMAT_A8_SINT
, 0 }
1142 { GL_ALPHA16I_EXT
, 0 },
1143 { PIPE_FORMAT_A16_SINT
, 0 }
1146 { GL_ALPHA32I_EXT
, 0 },
1147 { PIPE_FORMAT_A32_SINT
, 0 }
1150 { GL_ALPHA8UI_EXT
, 0 },
1151 { PIPE_FORMAT_A8_UINT
, 0 }
1154 { GL_ALPHA16UI_EXT
, 0 },
1155 { PIPE_FORMAT_A16_UINT
, 0 }
1158 { GL_ALPHA32UI_EXT
, 0 },
1159 { PIPE_FORMAT_A32_UINT
, 0 }
1162 { GL_INTENSITY8I_EXT
, 0 },
1163 { PIPE_FORMAT_I8_SINT
, 0 }
1166 { GL_INTENSITY16I_EXT
, 0 },
1167 { PIPE_FORMAT_I16_SINT
, 0 }
1170 { GL_INTENSITY32I_EXT
, 0 },
1171 { PIPE_FORMAT_I32_SINT
, 0 }
1174 { GL_INTENSITY8UI_EXT
, 0 },
1175 { PIPE_FORMAT_I8_UINT
, 0 }
1178 { GL_INTENSITY16UI_EXT
, 0 },
1179 { PIPE_FORMAT_I16_UINT
, 0 }
1182 { GL_INTENSITY32UI_EXT
, 0 },
1183 { PIPE_FORMAT_I32_UINT
, 0 }
1186 { GL_LUMINANCE8I_EXT
, 0 },
1187 { PIPE_FORMAT_L8_SINT
, 0 }
1190 { GL_LUMINANCE16I_EXT
, 0 },
1191 { PIPE_FORMAT_L16_SINT
, 0 }
1194 { GL_LUMINANCE32I_EXT
, 0 },
1195 { PIPE_FORMAT_L32_SINT
, 0 }
1198 { GL_LUMINANCE_INTEGER_EXT
,
1199 GL_LUMINANCE8UI_EXT
, 0 },
1200 { PIPE_FORMAT_L8_UINT
, 0 }
1203 { GL_LUMINANCE16UI_EXT
, 0 },
1204 { PIPE_FORMAT_L16_UINT
, 0 }
1207 { GL_LUMINANCE32UI_EXT
, 0 },
1208 { PIPE_FORMAT_L32_UINT
, 0 }
1211 { GL_LUMINANCE_ALPHA_INTEGER_EXT
,
1212 GL_LUMINANCE_ALPHA8I_EXT
, 0 },
1213 { PIPE_FORMAT_L8A8_SINT
, 0 }
1216 { GL_LUMINANCE_ALPHA16I_EXT
, 0 },
1217 { PIPE_FORMAT_L16A16_SINT
, 0 }
1220 { GL_LUMINANCE_ALPHA32I_EXT
, 0 },
1221 { PIPE_FORMAT_L32A32_SINT
, 0 }
1224 { GL_LUMINANCE_ALPHA8UI_EXT
, 0 },
1225 { PIPE_FORMAT_L8A8_UINT
, 0 }
1228 { GL_LUMINANCE_ALPHA16UI_EXT
, 0 },
1229 { PIPE_FORMAT_L16A16_UINT
, 0 }
1232 { GL_LUMINANCE_ALPHA32UI_EXT
, 0 },
1233 { PIPE_FORMAT_L32A32_UINT
, 0 }
1236 { GL_RGB16I_EXT
, 0 },
1237 { PIPE_FORMAT_R16G16B16_SINT
,
1238 PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1241 { GL_RGBA16I_EXT
, 0 },
1242 { PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1245 { GL_RGB32I_EXT
, 0 },
1246 { PIPE_FORMAT_R32G32B32_SINT
,
1247 PIPE_FORMAT_R32G32B32A32_SINT
, 0 },
1250 { GL_RGBA32I_EXT
, 0 },
1251 { PIPE_FORMAT_R32G32B32A32_SINT
, 0 }
1254 { GL_RGBA8UI_EXT
, 0 },
1255 { PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1258 { GL_RGB8UI_EXT
, 0 },
1259 { PIPE_FORMAT_R8G8B8_UINT
,
1260 PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1263 { GL_RGB16UI_EXT
, 0 },
1264 { PIPE_FORMAT_R16G16B16_UINT
,
1265 PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1268 { GL_RGBA16UI_EXT
, 0 },
1269 { PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1272 { GL_RGB32UI_EXT
, 0},
1273 { PIPE_FORMAT_R32G32B32_UINT
,
1274 PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1277 { GL_RGBA32UI_EXT
, 0},
1278 { PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1282 { PIPE_FORMAT_R8_SINT
, 0},
1286 { PIPE_FORMAT_R16_SINT
, 0},
1290 { PIPE_FORMAT_R32_SINT
, 0},
1294 { PIPE_FORMAT_R8_UINT
, 0},
1298 { PIPE_FORMAT_R16_UINT
, 0},
1302 { PIPE_FORMAT_R32_UINT
, 0},
1306 { PIPE_FORMAT_R8G8_SINT
, 0},
1310 { PIPE_FORMAT_R16G16_SINT
, 0},
1314 { PIPE_FORMAT_R32G32_SINT
, 0},
1318 { PIPE_FORMAT_R8G8_UINT
, 0},
1322 { PIPE_FORMAT_R16G16_UINT
, 0},
1326 { PIPE_FORMAT_R32G32_UINT
, 0},
1328 /* signed normalized formats */
1330 { GL_RED_SNORM
, GL_R8_SNORM
, 0 },
1331 { PIPE_FORMAT_R8_SNORM
, PIPE_FORMAT_R8G8_SNORM
,
1332 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1335 { GL_R16_SNORM
, 0 },
1336 { PIPE_FORMAT_R16_SNORM
,
1337 PIPE_FORMAT_R16G16_SNORM
,
1338 PIPE_FORMAT_R16G16B16A16_SNORM
,
1339 PIPE_FORMAT_R8_SNORM
,
1340 PIPE_FORMAT_R8G8_SNORM
,
1341 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1344 { GL_RG_SNORM
, GL_RG8_SNORM
, 0 },
1345 { PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1348 { GL_RG16_SNORM
, 0 },
1349 { PIPE_FORMAT_R16G16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1350 PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1353 { GL_RGB_SNORM
, GL_RGB8_SNORM
, GL_RGBA_SNORM
, GL_RGBA8_SNORM
, 0 },
1354 { PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1357 { GL_RGB16_SNORM
, GL_RGBA16_SNORM
, 0 },
1358 { PIPE_FORMAT_R16G16B16A16_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1361 { GL_ALPHA_SNORM
, GL_ALPHA8_SNORM
, 0 },
1362 { PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1365 { GL_ALPHA16_SNORM
, 0 },
1366 { PIPE_FORMAT_A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1367 PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1370 { GL_LUMINANCE_SNORM
, GL_LUMINANCE8_SNORM
, 0 },
1371 { PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1374 { GL_LUMINANCE16_SNORM
, 0 },
1375 { PIPE_FORMAT_L16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1376 PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1379 { GL_LUMINANCE_ALPHA_SNORM
, GL_LUMINANCE8_ALPHA8_SNORM
, 0 },
1380 { PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1383 { GL_LUMINANCE16_ALPHA16_SNORM
, 0 },
1384 { PIPE_FORMAT_L16A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1385 PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1388 { GL_INTENSITY_SNORM
, GL_INTENSITY8_SNORM
, 0 },
1389 { PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1392 { GL_INTENSITY16_SNORM
, 0 },
1393 { PIPE_FORMAT_I16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1394 PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1398 { PIPE_FORMAT_R9G9B9E5_FLOAT
, 0 }
1401 { GL_R11F_G11F_B10F
, 0 },
1402 { PIPE_FORMAT_R11G11B10_FLOAT
, 0 }
1405 { GL_RGB10_A2UI
, 0 },
1406 { PIPE_FORMAT_B10G10R10A2_UINT
, 0 }
1412 * Return first supported format from the given list.
1414 static enum pipe_format
1415 find_supported_format(struct pipe_screen
*screen
,
1416 const enum pipe_format formats
[],
1417 enum pipe_texture_target target
,
1418 unsigned sample_count
,
1422 for (i
= 0; formats
[i
]; i
++) {
1423 if (screen
->is_format_supported(screen
, formats
[i
], target
,
1424 sample_count
, tex_usage
)) {
1428 return PIPE_FORMAT_NONE
;
1431 struct exact_format_mapping
1435 enum pipe_format pformat
;
1438 static const struct exact_format_mapping rgba8888_tbl
[] =
1440 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1441 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1442 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1443 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1444 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_A8R8G8B8_UNORM
},
1445 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1446 { GL_RGBA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1447 { GL_ABGR_EXT
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1448 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1452 static const struct exact_format_mapping rgbx8888_tbl
[] =
1454 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_X8R8G8B8_UNORM
},
1455 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1456 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1457 /* No Mesa formats for these Gallium formats:
1458 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
1459 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
1460 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
1461 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
1462 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1463 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1468 static const struct exact_format_mapping rgba1010102_tbl
[] =
1470 { GL_BGRA
, GL_UNSIGNED_INT_2_10_10_10_REV
, PIPE_FORMAT_B10G10R10A2_UNORM
},
1471 /* No Mesa formats for these Gallium formats:
1472 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1473 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1474 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1480 * If there is an exact pipe_format match for {internalFormat, format, type}
1481 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1483 static enum pipe_format
1484 find_exact_format(GLint internalFormat
, GLenum format
, GLenum type
)
1487 const struct exact_format_mapping
* tbl
;
1489 if (format
== GL_NONE
|| type
== GL_NONE
)
1490 return PIPE_FORMAT_NONE
;
1492 switch (internalFormat
) {
1504 tbl
= rgba1010102_tbl
;
1507 return PIPE_FORMAT_NONE
;
1510 for (i
= 0; tbl
[i
].format
; i
++)
1511 if (tbl
[i
].format
== format
&& tbl
[i
].type
== type
)
1512 return tbl
[i
].pformat
;
1514 return PIPE_FORMAT_NONE
;
1518 * Given an OpenGL internalFormat value for a texture or surface, return
1519 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1520 * This is called during glTexImage2D, for example.
1522 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1523 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1524 * we want render-to-texture ability.
1526 * \param internalFormat the user value passed to glTexImage2D
1527 * \param target one of PIPE_TEXTURE_x
1528 * \param bindings bitmask of PIPE_BIND_x flags.
1531 st_choose_format(struct pipe_screen
*screen
, GLenum internalFormat
,
1532 GLenum format
, GLenum type
,
1533 enum pipe_texture_target target
, unsigned sample_count
,
1536 GET_CURRENT_CONTEXT(ctx
); /* XXX this should be a function parameter */
1538 enum pipe_format pf
;
1540 /* can't render to compressed formats at this time */
1541 if (_mesa_is_compressed_format(ctx
, internalFormat
)
1542 && (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)) {
1543 return PIPE_FORMAT_NONE
;
1546 /* search for exact matches */
1547 pf
= find_exact_format(internalFormat
, format
, type
);
1548 if (pf
!= PIPE_FORMAT_NONE
&&
1549 screen
->is_format_supported(screen
, pf
,
1550 target
, sample_count
, bindings
))
1553 /* search table for internalFormat */
1554 for (i
= 0; i
< Elements(format_map
); i
++) {
1555 const struct format_mapping
*mapping
= &format_map
[i
];
1556 for (j
= 0; mapping
->glFormats
[j
]; j
++) {
1557 if (mapping
->glFormats
[j
] == internalFormat
) {
1558 /* Found the desired internal format. Find first pipe format
1559 * which is supported by the driver.
1561 return find_supported_format(screen
, mapping
->pipeFormats
,
1562 target
, sample_count
, bindings
);
1567 _mesa_problem(NULL
, "unhandled format!\n");
1568 return PIPE_FORMAT_NONE
;
1573 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1576 st_choose_renderbuffer_format(struct pipe_screen
*screen
,
1577 GLenum internalFormat
, unsigned sample_count
)
1580 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1581 usage
= PIPE_BIND_DEPTH_STENCIL
;
1583 usage
= PIPE_BIND_RENDER_TARGET
;
1584 return st_choose_format(screen
, internalFormat
, GL_NONE
, GL_NONE
, PIPE_TEXTURE_2D
,
1585 sample_count
, usage
);
1590 st_ChooseTextureFormat_renderable(struct gl_context
*ctx
, GLint internalFormat
,
1591 GLenum format
, GLenum type
, GLboolean renderable
)
1593 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
1594 enum pipe_format pFormat
;
1600 /* GL textures may wind up being render targets, but we don't know
1601 * that in advance. Specify potential render target flags now.
1603 bindings
= PIPE_BIND_SAMPLER_VIEW
;
1605 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1606 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1608 bindings
|= PIPE_BIND_RENDER_TARGET
;
1611 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1612 PIPE_TEXTURE_2D
, 0, bindings
);
1614 if (pFormat
== PIPE_FORMAT_NONE
) {
1615 /* try choosing format again, this time without render target bindings */
1616 pFormat
= st_choose_format(screen
, internalFormat
, format
, type
,
1617 PIPE_TEXTURE_2D
, 0, PIPE_BIND_SAMPLER_VIEW
);
1620 if (pFormat
== PIPE_FORMAT_NONE
) {
1621 /* no luck at all */
1622 return MESA_FORMAT_NONE
;
1625 return st_pipe_format_to_mesa_format(pFormat
);
1630 * Called via ctx->Driver.ChooseTextureFormat().
1633 st_ChooseTextureFormat(struct gl_context
*ctx
, GLint internalFormat
,
1634 GLenum format
, GLenum type
)
1636 boolean want_renderable
=
1637 internalFormat
== 3 || internalFormat
== 4 ||
1638 internalFormat
== GL_RGB
|| internalFormat
== GL_RGBA
||
1639 internalFormat
== GL_RGB8
|| internalFormat
== GL_RGBA8
||
1640 internalFormat
== GL_BGRA
;
1642 return st_ChooseTextureFormat_renderable(ctx
, internalFormat
,
1643 format
, type
, want_renderable
);
1648 st_sampler_compat_formats(enum pipe_format format1
, enum pipe_format format2
)
1650 if (format1
== format2
)
1653 if (format1
== PIPE_FORMAT_B8G8R8A8_UNORM
&&
1654 format2
== PIPE_FORMAT_B8G8R8X8_UNORM
)
1657 if (format1
== PIPE_FORMAT_B8G8R8X8_UNORM
&&
1658 format2
== PIPE_FORMAT_B8G8R8A8_UNORM
)
1661 if (format1
== PIPE_FORMAT_A8B8G8R8_UNORM
&&
1662 format2
== PIPE_FORMAT_X8B8G8R8_UNORM
)
1665 if (format1
== PIPE_FORMAT_X8B8G8R8_UNORM
&&
1666 format2
== PIPE_FORMAT_A8B8G8R8_UNORM
)
1669 if (format1
== PIPE_FORMAT_A8R8G8B8_UNORM
&&
1670 format2
== PIPE_FORMAT_X8R8G8B8_UNORM
)
1673 if (format1
== PIPE_FORMAT_X8R8G8B8_UNORM
&&
1674 format2
== PIPE_FORMAT_A8R8G8B8_UNORM
)
1683 * This is used for translating texture border color and the clear
1684 * color. For example, the clear color is interpreted according to
1685 * the renderbuffer's base format. For example, if clearing a
1686 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1687 * colorOut[2] = colorIn[0].
1688 * Similarly for texture border colors.
1691 st_translate_color(const GLfloat colorIn
[4], GLenum baseFormat
,
1692 GLfloat colorOut
[4])
1694 switch (baseFormat
) {
1696 colorOut
[0] = colorIn
[0];
1702 colorOut
[0] = colorIn
[0];
1703 colorOut
[1] = colorIn
[1];
1708 colorOut
[0] = colorIn
[0];
1709 colorOut
[1] = colorIn
[1];
1710 colorOut
[2] = colorIn
[2];
1714 colorOut
[0] = colorOut
[1] = colorOut
[2] = 0.0;
1715 colorOut
[3] = colorIn
[3];
1718 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1721 case GL_LUMINANCE_ALPHA
:
1722 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorIn
[0];
1723 colorOut
[3] = colorIn
[3];
1726 colorOut
[0] = colorOut
[1] = colorOut
[2] = colorOut
[3] = colorIn
[0];
1729 COPY_4V(colorOut
, colorIn
);