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[mesa.git] / src / mesa / state_tracker / st_format.c
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright (c) 2008-2010 VMware, Inc.
5 * All Rights Reserved.
6 *
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:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
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.
26 *
27 **************************************************************************/
28
29
30 /**
31 * Mesa / Gallium format conversion and format selection code.
32 * \author Brian Paul
33 */
34
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"
41
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"
48
49
50 static GLuint
51 format_max_bits(enum pipe_format format)
52 {
53 GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0);
54
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));
60 return size;
61 }
62
63
64 /**
65 * Return basic GL datatype for the given gallium format.
66 */
67 GLenum
68 st_format_datatype(enum pipe_format format)
69 {
70 const struct util_format_description *desc;
71 int i;
72
73 desc = util_format_description(format);
74 assert(desc);
75
76 /* Find the first non-VOID channel. */
77 for (i = 0; i < 4; i++) {
78 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
79 break;
80 }
81 }
82
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;
87 }
88 else if (format == PIPE_FORMAT_R11G11B10_FLOAT ||
89 format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
90 return GL_FLOAT;
91 }
92 else if (format == PIPE_FORMAT_Z24_UNORM_S8_UINT ||
93 format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
94 format == PIPE_FORMAT_Z24X8_UNORM ||
95 format == PIPE_FORMAT_X8Z24_UNORM) {
96 return GL_UNSIGNED_INT_24_8;
97 }
98 else if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
99 return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
100 }
101 else {
102 const GLuint size = format_max_bits(format);
103
104 assert(i < 4);
105 if (i == 4)
106 return GL_NONE;
107
108 if (size == 8) {
109 if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
110 return GL_UNSIGNED_BYTE;
111 else
112 return GL_BYTE;
113 }
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;
119 else
120 return GL_SHORT;
121 }
122 else if (size <= 32) {
123 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
124 return GL_FLOAT;
125 if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
126 return GL_UNSIGNED_INT;
127 else
128 return GL_INT;
129 }
130 else {
131 assert(size == 64);
132 assert(desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT);
133 return GL_DOUBLE;
134 }
135 }
136 }
137 else if (format == PIPE_FORMAT_UYVY) {
138 return GL_UNSIGNED_SHORT;
139 }
140 else if (format == PIPE_FORMAT_YUYV) {
141 return GL_UNSIGNED_SHORT;
142 }
143 else {
144 /* probably a compressed format, unsupported anyway */
145 return GL_NONE;
146 }
147 }
148
149
150 /**
151 * Translate Mesa format to Gallium format.
152 */
153 enum pipe_format
154 st_mesa_format_to_pipe_format(gl_format mesaFormat)
155 {
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_RGBX8888:
166 return PIPE_FORMAT_X8B8G8R8_UNORM;
167 case MESA_FORMAT_RGBX8888_REV:
168 return PIPE_FORMAT_R8G8B8X8_UNORM;
169 case MESA_FORMAT_XRGB8888:
170 return PIPE_FORMAT_B8G8R8X8_UNORM;
171 case MESA_FORMAT_XRGB8888_REV:
172 return PIPE_FORMAT_X8R8G8B8_UNORM;
173 case MESA_FORMAT_ARGB1555:
174 return PIPE_FORMAT_B5G5R5A1_UNORM;
175 case MESA_FORMAT_ARGB4444:
176 return PIPE_FORMAT_B4G4R4A4_UNORM;
177 case MESA_FORMAT_RGB565:
178 return PIPE_FORMAT_B5G6R5_UNORM;
179 case MESA_FORMAT_RGB332:
180 return PIPE_FORMAT_B2G3R3_UNORM;
181 case MESA_FORMAT_ARGB2101010:
182 return PIPE_FORMAT_B10G10R10A2_UNORM;
183 case MESA_FORMAT_AL44:
184 return PIPE_FORMAT_L4A4_UNORM;
185 case MESA_FORMAT_AL88:
186 return PIPE_FORMAT_L8A8_UNORM;
187 case MESA_FORMAT_AL1616:
188 return PIPE_FORMAT_L16A16_UNORM;
189 case MESA_FORMAT_A8:
190 return PIPE_FORMAT_A8_UNORM;
191 case MESA_FORMAT_A16:
192 return PIPE_FORMAT_A16_UNORM;
193 case MESA_FORMAT_L8:
194 return PIPE_FORMAT_L8_UNORM;
195 case MESA_FORMAT_L16:
196 return PIPE_FORMAT_L16_UNORM;
197 case MESA_FORMAT_I8:
198 return PIPE_FORMAT_I8_UNORM;
199 case MESA_FORMAT_I16:
200 return PIPE_FORMAT_I16_UNORM;
201 case MESA_FORMAT_Z16:
202 return PIPE_FORMAT_Z16_UNORM;
203 case MESA_FORMAT_Z32:
204 return PIPE_FORMAT_Z32_UNORM;
205 case MESA_FORMAT_Z24_S8:
206 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
207 case MESA_FORMAT_S8_Z24:
208 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
209 case MESA_FORMAT_Z24_X8:
210 return PIPE_FORMAT_X8Z24_UNORM;
211 case MESA_FORMAT_X8_Z24:
212 return PIPE_FORMAT_Z24X8_UNORM;
213 case MESA_FORMAT_S8:
214 return PIPE_FORMAT_S8_UINT;
215 case MESA_FORMAT_Z32_FLOAT:
216 return PIPE_FORMAT_Z32_FLOAT;
217 case MESA_FORMAT_Z32_FLOAT_X24S8:
218 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
219 case MESA_FORMAT_YCBCR:
220 return PIPE_FORMAT_UYVY;
221 #if FEATURE_texture_s3tc
222 case MESA_FORMAT_RGB_DXT1:
223 return PIPE_FORMAT_DXT1_RGB;
224 case MESA_FORMAT_RGBA_DXT1:
225 return PIPE_FORMAT_DXT1_RGBA;
226 case MESA_FORMAT_RGBA_DXT3:
227 return PIPE_FORMAT_DXT3_RGBA;
228 case MESA_FORMAT_RGBA_DXT5:
229 return PIPE_FORMAT_DXT5_RGBA;
230 #if FEATURE_EXT_texture_sRGB
231 case MESA_FORMAT_SRGB_DXT1:
232 return PIPE_FORMAT_DXT1_SRGB;
233 case MESA_FORMAT_SRGBA_DXT1:
234 return PIPE_FORMAT_DXT1_SRGBA;
235 case MESA_FORMAT_SRGBA_DXT3:
236 return PIPE_FORMAT_DXT3_SRGBA;
237 case MESA_FORMAT_SRGBA_DXT5:
238 return PIPE_FORMAT_DXT5_SRGBA;
239 #endif
240 #endif
241 #if FEATURE_EXT_texture_sRGB
242 case MESA_FORMAT_SLA8:
243 return PIPE_FORMAT_L8A8_SRGB;
244 case MESA_FORMAT_SL8:
245 return PIPE_FORMAT_L8_SRGB;
246 case MESA_FORMAT_SRGB8:
247 return PIPE_FORMAT_R8G8B8_SRGB;
248 case MESA_FORMAT_SRGBA8:
249 return PIPE_FORMAT_A8B8G8R8_SRGB;
250 case MESA_FORMAT_SARGB8:
251 return PIPE_FORMAT_B8G8R8A8_SRGB;
252 #endif
253 case MESA_FORMAT_RGBA_FLOAT32:
254 return PIPE_FORMAT_R32G32B32A32_FLOAT;
255 case MESA_FORMAT_RGBA_FLOAT16:
256 return PIPE_FORMAT_R16G16B16A16_FLOAT;
257 case MESA_FORMAT_RGB_FLOAT32:
258 return PIPE_FORMAT_R32G32B32_FLOAT;
259 case MESA_FORMAT_RGB_FLOAT16:
260 return PIPE_FORMAT_R16G16B16_FLOAT;
261 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
262 return PIPE_FORMAT_L32A32_FLOAT;
263 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
264 return PIPE_FORMAT_L16A16_FLOAT;
265 case MESA_FORMAT_LUMINANCE_FLOAT32:
266 return PIPE_FORMAT_L32_FLOAT;
267 case MESA_FORMAT_LUMINANCE_FLOAT16:
268 return PIPE_FORMAT_L16_FLOAT;
269 case MESA_FORMAT_ALPHA_FLOAT32:
270 return PIPE_FORMAT_A32_FLOAT;
271 case MESA_FORMAT_ALPHA_FLOAT16:
272 return PIPE_FORMAT_A16_FLOAT;
273 case MESA_FORMAT_INTENSITY_FLOAT32:
274 return PIPE_FORMAT_I32_FLOAT;
275 case MESA_FORMAT_INTENSITY_FLOAT16:
276 return PIPE_FORMAT_I16_FLOAT;
277 case MESA_FORMAT_R_FLOAT32:
278 return PIPE_FORMAT_R32_FLOAT;
279 case MESA_FORMAT_R_FLOAT16:
280 return PIPE_FORMAT_R16_FLOAT;
281 case MESA_FORMAT_RG_FLOAT32:
282 return PIPE_FORMAT_R32G32_FLOAT;
283 case MESA_FORMAT_RG_FLOAT16:
284 return PIPE_FORMAT_R16G16_FLOAT;
285
286 case MESA_FORMAT_R8:
287 return PIPE_FORMAT_R8_UNORM;
288 case MESA_FORMAT_R16:
289 return PIPE_FORMAT_R16_UNORM;
290 case MESA_FORMAT_RG88:
291 return PIPE_FORMAT_R8G8_UNORM;
292 case MESA_FORMAT_RG1616:
293 return PIPE_FORMAT_R16G16_UNORM;
294 case MESA_FORMAT_RGBA_16:
295 return PIPE_FORMAT_R16G16B16A16_UNORM;
296
297 /* signed int formats */
298 case MESA_FORMAT_ALPHA_UINT8:
299 return PIPE_FORMAT_A8_UINT;
300 case MESA_FORMAT_ALPHA_UINT16:
301 return PIPE_FORMAT_A16_UINT;
302 case MESA_FORMAT_ALPHA_UINT32:
303 return PIPE_FORMAT_A32_UINT;
304
305 case MESA_FORMAT_ALPHA_INT8:
306 return PIPE_FORMAT_A8_SINT;
307 case MESA_FORMAT_ALPHA_INT16:
308 return PIPE_FORMAT_A16_SINT;
309 case MESA_FORMAT_ALPHA_INT32:
310 return PIPE_FORMAT_A32_SINT;
311
312 case MESA_FORMAT_INTENSITY_UINT8:
313 return PIPE_FORMAT_I8_UINT;
314 case MESA_FORMAT_INTENSITY_UINT16:
315 return PIPE_FORMAT_I16_UINT;
316 case MESA_FORMAT_INTENSITY_UINT32:
317 return PIPE_FORMAT_I32_UINT;
318
319 case MESA_FORMAT_INTENSITY_INT8:
320 return PIPE_FORMAT_I8_SINT;
321 case MESA_FORMAT_INTENSITY_INT16:
322 return PIPE_FORMAT_I16_SINT;
323 case MESA_FORMAT_INTENSITY_INT32:
324 return PIPE_FORMAT_I32_SINT;
325
326 case MESA_FORMAT_LUMINANCE_UINT8:
327 return PIPE_FORMAT_L8_UINT;
328 case MESA_FORMAT_LUMINANCE_UINT16:
329 return PIPE_FORMAT_L16_UINT;
330 case MESA_FORMAT_LUMINANCE_UINT32:
331 return PIPE_FORMAT_L32_UINT;
332
333 case MESA_FORMAT_LUMINANCE_INT8:
334 return PIPE_FORMAT_L8_SINT;
335 case MESA_FORMAT_LUMINANCE_INT16:
336 return PIPE_FORMAT_L16_SINT;
337 case MESA_FORMAT_LUMINANCE_INT32:
338 return PIPE_FORMAT_L32_SINT;
339
340 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
341 return PIPE_FORMAT_L8A8_UINT;
342 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
343 return PIPE_FORMAT_L16A16_UINT;
344 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
345 return PIPE_FORMAT_L32A32_UINT;
346
347 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
348 return PIPE_FORMAT_L8A8_SINT;
349 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
350 return PIPE_FORMAT_L16A16_SINT;
351 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
352 return PIPE_FORMAT_L32A32_SINT;
353
354 case MESA_FORMAT_R_INT8:
355 return PIPE_FORMAT_R8_SINT;
356 case MESA_FORMAT_RG_INT8:
357 return PIPE_FORMAT_R8G8_SINT;
358 case MESA_FORMAT_RGB_INT8:
359 return PIPE_FORMAT_R8G8B8_SINT;
360 case MESA_FORMAT_RGBA_INT8:
361 return PIPE_FORMAT_R8G8B8A8_SINT;
362 case MESA_FORMAT_R_INT16:
363 return PIPE_FORMAT_R16_SINT;
364 case MESA_FORMAT_RG_INT16:
365 return PIPE_FORMAT_R16G16_SINT;
366 case MESA_FORMAT_RGB_INT16:
367 return PIPE_FORMAT_R16G16B16_SINT;
368 case MESA_FORMAT_RGBA_INT16:
369 return PIPE_FORMAT_R16G16B16A16_SINT;
370 case MESA_FORMAT_R_INT32:
371 return PIPE_FORMAT_R32_SINT;
372 case MESA_FORMAT_RG_INT32:
373 return PIPE_FORMAT_R32G32_SINT;
374 case MESA_FORMAT_RGB_INT32:
375 return PIPE_FORMAT_R32G32B32_SINT;
376 case MESA_FORMAT_RGBA_INT32:
377 return PIPE_FORMAT_R32G32B32A32_SINT;
378
379 /* unsigned int formats */
380 case MESA_FORMAT_R_UINT8:
381 return PIPE_FORMAT_R8_UINT;
382 case MESA_FORMAT_RG_UINT8:
383 return PIPE_FORMAT_R8G8_UINT;
384 case MESA_FORMAT_RGB_UINT8:
385 return PIPE_FORMAT_R8G8B8_UINT;
386 case MESA_FORMAT_RGBA_UINT8:
387 return PIPE_FORMAT_R8G8B8A8_UINT;
388 case MESA_FORMAT_R_UINT16:
389 return PIPE_FORMAT_R16_UINT;
390 case MESA_FORMAT_RG_UINT16:
391 return PIPE_FORMAT_R16G16_UINT;
392 case MESA_FORMAT_RGB_UINT16:
393 return PIPE_FORMAT_R16G16B16_UINT;
394 case MESA_FORMAT_RGBA_UINT16:
395 return PIPE_FORMAT_R16G16B16A16_UINT;
396 case MESA_FORMAT_R_UINT32:
397 return PIPE_FORMAT_R32_UINT;
398 case MESA_FORMAT_RG_UINT32:
399 return PIPE_FORMAT_R32G32_UINT;
400 case MESA_FORMAT_RGB_UINT32:
401 return PIPE_FORMAT_R32G32B32_UINT;
402 case MESA_FORMAT_RGBA_UINT32:
403 return PIPE_FORMAT_R32G32B32A32_UINT;
404
405 case MESA_FORMAT_RED_RGTC1:
406 return PIPE_FORMAT_RGTC1_UNORM;
407 case MESA_FORMAT_SIGNED_RED_RGTC1:
408 return PIPE_FORMAT_RGTC1_SNORM;
409 case MESA_FORMAT_RG_RGTC2:
410 return PIPE_FORMAT_RGTC2_UNORM;
411 case MESA_FORMAT_SIGNED_RG_RGTC2:
412 return PIPE_FORMAT_RGTC2_SNORM;
413
414 case MESA_FORMAT_L_LATC1:
415 return PIPE_FORMAT_LATC1_UNORM;
416 case MESA_FORMAT_SIGNED_L_LATC1:
417 return PIPE_FORMAT_LATC1_SNORM;
418 case MESA_FORMAT_LA_LATC2:
419 return PIPE_FORMAT_LATC2_UNORM;
420 case MESA_FORMAT_SIGNED_LA_LATC2:
421 return PIPE_FORMAT_LATC2_SNORM;
422
423 /* signed normalized formats */
424 case MESA_FORMAT_SIGNED_R8:
425 return PIPE_FORMAT_R8_SNORM;
426 case MESA_FORMAT_SIGNED_RG88_REV:
427 return PIPE_FORMAT_R8G8_SNORM;
428 case MESA_FORMAT_SIGNED_RGBA8888_REV:
429 return PIPE_FORMAT_R8G8B8A8_SNORM;
430
431 case MESA_FORMAT_SIGNED_A8:
432 return PIPE_FORMAT_A8_SNORM;
433 case MESA_FORMAT_SIGNED_L8:
434 return PIPE_FORMAT_L8_SNORM;
435 case MESA_FORMAT_SIGNED_AL88:
436 return PIPE_FORMAT_L8A8_SNORM;
437 case MESA_FORMAT_SIGNED_I8:
438 return PIPE_FORMAT_I8_SNORM;
439
440 case MESA_FORMAT_SIGNED_R16:
441 return PIPE_FORMAT_R16_SNORM;
442 case MESA_FORMAT_SIGNED_GR1616:
443 return PIPE_FORMAT_R16G16_SNORM;
444 case MESA_FORMAT_SIGNED_RGBA_16:
445 return PIPE_FORMAT_R16G16B16A16_SNORM;
446
447 case MESA_FORMAT_SIGNED_A16:
448 return PIPE_FORMAT_A16_SNORM;
449 case MESA_FORMAT_SIGNED_L16:
450 return PIPE_FORMAT_L16_SNORM;
451 case MESA_FORMAT_SIGNED_AL1616:
452 return PIPE_FORMAT_L16A16_SNORM;
453 case MESA_FORMAT_SIGNED_I16:
454 return PIPE_FORMAT_I16_SNORM;
455
456 case MESA_FORMAT_RGB9_E5_FLOAT:
457 return PIPE_FORMAT_R9G9B9E5_FLOAT;
458 case MESA_FORMAT_R11_G11_B10_FLOAT:
459 return PIPE_FORMAT_R11G11B10_FLOAT;
460 case MESA_FORMAT_ARGB2101010_UINT:
461 return PIPE_FORMAT_B10G10R10A2_UINT;
462 default:
463 assert(0);
464 return PIPE_FORMAT_NONE;
465 }
466 }
467
468
469 /**
470 * Translate Gallium format to Mesa format.
471 */
472 gl_format
473 st_pipe_format_to_mesa_format(enum pipe_format format)
474 {
475 switch (format) {
476 case PIPE_FORMAT_A8B8G8R8_UNORM:
477 return MESA_FORMAT_RGBA8888;
478 case PIPE_FORMAT_R8G8B8A8_UNORM:
479 return MESA_FORMAT_RGBA8888_REV;
480 case PIPE_FORMAT_B8G8R8A8_UNORM:
481 return MESA_FORMAT_ARGB8888;
482 case PIPE_FORMAT_A8R8G8B8_UNORM:
483 return MESA_FORMAT_ARGB8888_REV;
484 case PIPE_FORMAT_X8B8G8R8_UNORM:
485 return MESA_FORMAT_RGBX8888;
486 case PIPE_FORMAT_R8G8B8X8_UNORM:
487 return MESA_FORMAT_RGBX8888_REV;
488 case PIPE_FORMAT_B8G8R8X8_UNORM:
489 return MESA_FORMAT_XRGB8888;
490 case PIPE_FORMAT_X8R8G8B8_UNORM:
491 return MESA_FORMAT_XRGB8888_REV;
492 case PIPE_FORMAT_B5G5R5A1_UNORM:
493 return MESA_FORMAT_ARGB1555;
494 case PIPE_FORMAT_B4G4R4A4_UNORM:
495 return MESA_FORMAT_ARGB4444;
496 case PIPE_FORMAT_B5G6R5_UNORM:
497 return MESA_FORMAT_RGB565;
498 case PIPE_FORMAT_B2G3R3_UNORM:
499 return MESA_FORMAT_RGB332;
500 case PIPE_FORMAT_B10G10R10A2_UNORM:
501 return MESA_FORMAT_ARGB2101010;
502 case PIPE_FORMAT_L4A4_UNORM:
503 return MESA_FORMAT_AL44;
504 case PIPE_FORMAT_L8A8_UNORM:
505 return MESA_FORMAT_AL88;
506 case PIPE_FORMAT_L16A16_UNORM:
507 return MESA_FORMAT_AL1616;
508 case PIPE_FORMAT_A8_UNORM:
509 return MESA_FORMAT_A8;
510 case PIPE_FORMAT_A16_UNORM:
511 return MESA_FORMAT_A16;
512 case PIPE_FORMAT_L8_UNORM:
513 return MESA_FORMAT_L8;
514 case PIPE_FORMAT_L16_UNORM:
515 return MESA_FORMAT_L16;
516 case PIPE_FORMAT_I8_UNORM:
517 return MESA_FORMAT_I8;
518 case PIPE_FORMAT_I16_UNORM:
519 return MESA_FORMAT_I16;
520 case PIPE_FORMAT_S8_UINT:
521 return MESA_FORMAT_S8;
522
523 case PIPE_FORMAT_R16G16B16A16_UNORM:
524 return MESA_FORMAT_RGBA_16;
525
526 case PIPE_FORMAT_Z16_UNORM:
527 return MESA_FORMAT_Z16;
528 case PIPE_FORMAT_Z32_UNORM:
529 return MESA_FORMAT_Z32;
530 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
531 return MESA_FORMAT_Z24_S8;
532 case PIPE_FORMAT_X8Z24_UNORM:
533 return MESA_FORMAT_Z24_X8;
534 case PIPE_FORMAT_Z24X8_UNORM:
535 return MESA_FORMAT_X8_Z24;
536 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
537 return MESA_FORMAT_S8_Z24;
538 case PIPE_FORMAT_Z32_FLOAT:
539 return MESA_FORMAT_Z32_FLOAT;
540 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
541 return MESA_FORMAT_Z32_FLOAT_X24S8;
542
543 case PIPE_FORMAT_UYVY:
544 return MESA_FORMAT_YCBCR;
545 case PIPE_FORMAT_YUYV:
546 return MESA_FORMAT_YCBCR_REV;
547
548 #if FEATURE_texture_s3tc
549 case PIPE_FORMAT_DXT1_RGB:
550 return MESA_FORMAT_RGB_DXT1;
551 case PIPE_FORMAT_DXT1_RGBA:
552 return MESA_FORMAT_RGBA_DXT1;
553 case PIPE_FORMAT_DXT3_RGBA:
554 return MESA_FORMAT_RGBA_DXT3;
555 case PIPE_FORMAT_DXT5_RGBA:
556 return MESA_FORMAT_RGBA_DXT5;
557 #if FEATURE_EXT_texture_sRGB
558 case PIPE_FORMAT_DXT1_SRGB:
559 return MESA_FORMAT_SRGB_DXT1;
560 case PIPE_FORMAT_DXT1_SRGBA:
561 return MESA_FORMAT_SRGBA_DXT1;
562 case PIPE_FORMAT_DXT3_SRGBA:
563 return MESA_FORMAT_SRGBA_DXT3;
564 case PIPE_FORMAT_DXT5_SRGBA:
565 return MESA_FORMAT_SRGBA_DXT5;
566 #endif
567 #endif
568
569 #if FEATURE_EXT_texture_sRGB
570 case PIPE_FORMAT_L8A8_SRGB:
571 return MESA_FORMAT_SLA8;
572 case PIPE_FORMAT_L8_SRGB:
573 return MESA_FORMAT_SL8;
574 case PIPE_FORMAT_R8G8B8_SRGB:
575 return MESA_FORMAT_SRGB8;
576 case PIPE_FORMAT_A8B8G8R8_SRGB:
577 return MESA_FORMAT_SRGBA8;
578 case PIPE_FORMAT_B8G8R8A8_SRGB:
579 return MESA_FORMAT_SARGB8;
580 #endif
581 case PIPE_FORMAT_R32G32B32A32_FLOAT:
582 return MESA_FORMAT_RGBA_FLOAT32;
583 case PIPE_FORMAT_R16G16B16A16_FLOAT:
584 return MESA_FORMAT_RGBA_FLOAT16;
585 case PIPE_FORMAT_R32G32B32_FLOAT:
586 return MESA_FORMAT_RGB_FLOAT32;
587 case PIPE_FORMAT_R16G16B16_FLOAT:
588 return MESA_FORMAT_RGB_FLOAT16;
589 case PIPE_FORMAT_L32A32_FLOAT:
590 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
591 case PIPE_FORMAT_L16A16_FLOAT:
592 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
593 case PIPE_FORMAT_L32_FLOAT:
594 return MESA_FORMAT_LUMINANCE_FLOAT32;
595 case PIPE_FORMAT_L16_FLOAT:
596 return MESA_FORMAT_LUMINANCE_FLOAT16;
597 case PIPE_FORMAT_A32_FLOAT:
598 return MESA_FORMAT_ALPHA_FLOAT32;
599 case PIPE_FORMAT_A16_FLOAT:
600 return MESA_FORMAT_ALPHA_FLOAT16;
601 case PIPE_FORMAT_I32_FLOAT:
602 return MESA_FORMAT_INTENSITY_FLOAT32;
603 case PIPE_FORMAT_I16_FLOAT:
604 return MESA_FORMAT_INTENSITY_FLOAT16;
605 case PIPE_FORMAT_R32_FLOAT:
606 return MESA_FORMAT_R_FLOAT32;
607 case PIPE_FORMAT_R16_FLOAT:
608 return MESA_FORMAT_R_FLOAT16;
609 case PIPE_FORMAT_R32G32_FLOAT:
610 return MESA_FORMAT_RG_FLOAT32;
611 case PIPE_FORMAT_R16G16_FLOAT:
612 return MESA_FORMAT_RG_FLOAT16;
613
614 case PIPE_FORMAT_R8_UNORM:
615 return MESA_FORMAT_R8;
616 case PIPE_FORMAT_R16_UNORM:
617 return MESA_FORMAT_R16;
618 case PIPE_FORMAT_R8G8_UNORM:
619 return MESA_FORMAT_RG88;
620 case PIPE_FORMAT_R16G16_UNORM:
621 return MESA_FORMAT_RG1616;
622
623 case PIPE_FORMAT_A8_UINT:
624 return MESA_FORMAT_ALPHA_UINT8;
625 case PIPE_FORMAT_A16_UINT:
626 return MESA_FORMAT_ALPHA_UINT16;
627 case PIPE_FORMAT_A32_UINT:
628 return MESA_FORMAT_ALPHA_UINT32;
629 case PIPE_FORMAT_A8_SINT:
630 return MESA_FORMAT_ALPHA_INT8;
631 case PIPE_FORMAT_A16_SINT:
632 return MESA_FORMAT_ALPHA_INT16;
633 case PIPE_FORMAT_A32_SINT:
634 return MESA_FORMAT_ALPHA_INT32;
635
636 case PIPE_FORMAT_I8_UINT:
637 return MESA_FORMAT_INTENSITY_UINT8;
638 case PIPE_FORMAT_I16_UINT:
639 return MESA_FORMAT_INTENSITY_UINT16;
640 case PIPE_FORMAT_I32_UINT:
641 return MESA_FORMAT_INTENSITY_UINT32;
642 case PIPE_FORMAT_I8_SINT:
643 return MESA_FORMAT_INTENSITY_INT8;
644 case PIPE_FORMAT_I16_SINT:
645 return MESA_FORMAT_INTENSITY_INT16;
646 case PIPE_FORMAT_I32_SINT:
647 return MESA_FORMAT_INTENSITY_INT32;
648
649 case PIPE_FORMAT_L8_UINT:
650 return MESA_FORMAT_LUMINANCE_UINT8;
651 case PIPE_FORMAT_L16_UINT:
652 return MESA_FORMAT_LUMINANCE_UINT16;
653 case PIPE_FORMAT_L32_UINT:
654 return MESA_FORMAT_LUMINANCE_UINT32;
655 case PIPE_FORMAT_L8_SINT:
656 return MESA_FORMAT_LUMINANCE_INT8;
657 case PIPE_FORMAT_L16_SINT:
658 return MESA_FORMAT_LUMINANCE_INT16;
659 case PIPE_FORMAT_L32_SINT:
660 return MESA_FORMAT_LUMINANCE_INT32;
661
662 case PIPE_FORMAT_L8A8_UINT:
663 return MESA_FORMAT_LUMINANCE_ALPHA_UINT8;
664 case PIPE_FORMAT_L16A16_UINT:
665 return MESA_FORMAT_LUMINANCE_ALPHA_UINT16;
666 case PIPE_FORMAT_L32A32_UINT:
667 return MESA_FORMAT_LUMINANCE_ALPHA_UINT32;
668 case PIPE_FORMAT_L8A8_SINT:
669 return MESA_FORMAT_LUMINANCE_ALPHA_INT8;
670 case PIPE_FORMAT_L16A16_SINT:
671 return MESA_FORMAT_LUMINANCE_ALPHA_INT16;
672 case PIPE_FORMAT_L32A32_SINT:
673 return MESA_FORMAT_LUMINANCE_ALPHA_INT32;
674
675 case PIPE_FORMAT_R8_SINT:
676 return MESA_FORMAT_R_INT8;
677 case PIPE_FORMAT_R8G8_SINT:
678 return MESA_FORMAT_RG_INT8;
679 case PIPE_FORMAT_R8G8B8_SINT:
680 return MESA_FORMAT_RGB_INT8;
681 case PIPE_FORMAT_R8G8B8A8_SINT:
682 return MESA_FORMAT_RGBA_INT8;
683
684 case PIPE_FORMAT_R16_SINT:
685 return MESA_FORMAT_R_INT16;
686 case PIPE_FORMAT_R16G16_SINT:
687 return MESA_FORMAT_RG_INT16;
688 case PIPE_FORMAT_R16G16B16_SINT:
689 return MESA_FORMAT_RGB_INT16;
690 case PIPE_FORMAT_R16G16B16A16_SINT:
691 return MESA_FORMAT_RGBA_INT16;
692
693 case PIPE_FORMAT_R32_SINT:
694 return MESA_FORMAT_R_INT32;
695 case PIPE_FORMAT_R32G32_SINT:
696 return MESA_FORMAT_RG_INT32;
697 case PIPE_FORMAT_R32G32B32_SINT:
698 return MESA_FORMAT_RGB_INT32;
699 case PIPE_FORMAT_R32G32B32A32_SINT:
700 return MESA_FORMAT_RGBA_INT32;
701
702 /* unsigned int formats */
703 case PIPE_FORMAT_R8_UINT:
704 return MESA_FORMAT_R_UINT8;
705 case PIPE_FORMAT_R8G8_UINT:
706 return MESA_FORMAT_RG_UINT8;
707 case PIPE_FORMAT_R8G8B8_UINT:
708 return MESA_FORMAT_RGB_UINT8;
709 case PIPE_FORMAT_R8G8B8A8_UINT:
710 return MESA_FORMAT_RGBA_UINT8;
711
712 case PIPE_FORMAT_R16_UINT:
713 return MESA_FORMAT_R_UINT16;
714 case PIPE_FORMAT_R16G16_UINT:
715 return MESA_FORMAT_RG_UINT16;
716 case PIPE_FORMAT_R16G16B16_UINT:
717 return MESA_FORMAT_RGB_UINT16;
718 case PIPE_FORMAT_R16G16B16A16_UINT:
719 return MESA_FORMAT_RGBA_UINT16;
720
721 case PIPE_FORMAT_R32_UINT:
722 return MESA_FORMAT_R_UINT32;
723 case PIPE_FORMAT_R32G32_UINT:
724 return MESA_FORMAT_RG_UINT32;
725 case PIPE_FORMAT_R32G32B32_UINT:
726 return MESA_FORMAT_RGB_UINT32;
727 case PIPE_FORMAT_R32G32B32A32_UINT:
728 return MESA_FORMAT_RGBA_UINT32;
729
730 case PIPE_FORMAT_RGTC1_UNORM:
731 return MESA_FORMAT_RED_RGTC1;
732 case PIPE_FORMAT_RGTC1_SNORM:
733 return MESA_FORMAT_SIGNED_RED_RGTC1;
734 case PIPE_FORMAT_RGTC2_UNORM:
735 return MESA_FORMAT_RG_RGTC2;
736 case PIPE_FORMAT_RGTC2_SNORM:
737 return MESA_FORMAT_SIGNED_RG_RGTC2;
738
739 case PIPE_FORMAT_LATC1_UNORM:
740 return MESA_FORMAT_L_LATC1;
741 case PIPE_FORMAT_LATC1_SNORM:
742 return MESA_FORMAT_SIGNED_L_LATC1;
743 case PIPE_FORMAT_LATC2_UNORM:
744 return MESA_FORMAT_LA_LATC2;
745 case PIPE_FORMAT_LATC2_SNORM:
746 return MESA_FORMAT_SIGNED_LA_LATC2;
747
748 /* signed normalized formats */
749 case PIPE_FORMAT_R8_SNORM:
750 return MESA_FORMAT_SIGNED_R8;
751 case PIPE_FORMAT_R8G8_SNORM:
752 return MESA_FORMAT_SIGNED_RG88_REV;
753 case PIPE_FORMAT_R8G8B8A8_SNORM:
754 return MESA_FORMAT_SIGNED_RGBA8888_REV;
755
756 case PIPE_FORMAT_A8_SNORM:
757 return MESA_FORMAT_SIGNED_A8;
758 case PIPE_FORMAT_L8_SNORM:
759 return MESA_FORMAT_SIGNED_L8;
760 case PIPE_FORMAT_L8A8_SNORM:
761 return MESA_FORMAT_SIGNED_AL88;
762 case PIPE_FORMAT_I8_SNORM:
763 return MESA_FORMAT_SIGNED_I8;
764
765 case PIPE_FORMAT_R16_SNORM:
766 return MESA_FORMAT_SIGNED_R16;
767 case PIPE_FORMAT_R16G16_SNORM:
768 return MESA_FORMAT_SIGNED_GR1616;
769 case PIPE_FORMAT_R16G16B16A16_SNORM:
770 return MESA_FORMAT_SIGNED_RGBA_16;
771
772 case PIPE_FORMAT_A16_SNORM:
773 return MESA_FORMAT_SIGNED_A16;
774 case PIPE_FORMAT_L16_SNORM:
775 return MESA_FORMAT_SIGNED_L16;
776 case PIPE_FORMAT_L16A16_SNORM:
777 return MESA_FORMAT_SIGNED_AL1616;
778 case PIPE_FORMAT_I16_SNORM:
779 return MESA_FORMAT_SIGNED_I16;
780
781 case PIPE_FORMAT_R9G9B9E5_FLOAT:
782 return MESA_FORMAT_RGB9_E5_FLOAT;
783 case PIPE_FORMAT_R11G11B10_FLOAT:
784 return MESA_FORMAT_R11_G11_B10_FLOAT;
785
786 case PIPE_FORMAT_B10G10R10A2_UINT:
787 return MESA_FORMAT_ARGB2101010_UINT;
788 default:
789 assert(0);
790 return MESA_FORMAT_NONE;
791 }
792 }
793
794
795 /**
796 * Map GL texture formats to Gallium pipe formats.
797 */
798 struct format_mapping
799 {
800 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
801 enum pipe_format pipeFormats[10]; /**< list of pipe formats, 0-terminated */
802 };
803
804
805 #define DEFAULT_RGBA_FORMATS \
806 PIPE_FORMAT_B8G8R8A8_UNORM, \
807 PIPE_FORMAT_A8R8G8B8_UNORM, \
808 PIPE_FORMAT_A8B8G8R8_UNORM, \
809 PIPE_FORMAT_B5G6R5_UNORM, \
810 0
811
812 #define DEFAULT_RGB_FORMATS \
813 PIPE_FORMAT_B8G8R8X8_UNORM, \
814 PIPE_FORMAT_X8R8G8B8_UNORM, \
815 PIPE_FORMAT_X8B8G8R8_UNORM, \
816 PIPE_FORMAT_B8G8R8A8_UNORM, \
817 PIPE_FORMAT_A8R8G8B8_UNORM, \
818 PIPE_FORMAT_A8B8G8R8_UNORM, \
819 PIPE_FORMAT_B5G6R5_UNORM, \
820 0
821
822 #define DEFAULT_SRGBA_FORMATS \
823 PIPE_FORMAT_B8G8R8A8_SRGB, \
824 PIPE_FORMAT_A8R8G8B8_SRGB, \
825 PIPE_FORMAT_A8B8G8R8_SRGB, \
826 0
827
828 #define DEFAULT_DEPTH_FORMATS \
829 PIPE_FORMAT_Z24X8_UNORM, \
830 PIPE_FORMAT_X8Z24_UNORM, \
831 PIPE_FORMAT_Z16_UNORM, \
832 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
833 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
834 0
835
836 /**
837 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
838 * Multiple GL enums might map to multiple pipe_formats.
839 * The first pipe format in the list that's supported is the one that's chosen.
840 */
841 static const struct format_mapping format_map[] = {
842 /* Basic RGB, RGBA formats */
843 {
844 { GL_RGB10, GL_RGB10_A2, 0 },
845 { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
846 },
847 {
848 { 4, GL_RGBA, GL_RGBA8, 0 },
849 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
850 },
851 {
852 { GL_BGRA, 0 },
853 { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
854 },
855 {
856 { 3, GL_RGB, GL_RGB8, 0 },
857 { DEFAULT_RGB_FORMATS }
858 },
859 {
860 { GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 },
861 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
862 },
863 {
864 { GL_RGBA4, GL_RGBA2, 0 },
865 { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
866 },
867 {
868 { GL_RGB5_A1, 0 },
869 { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
870 },
871 {
872 { GL_R3_G3_B2, 0 },
873 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
874 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
875 },
876 {
877 { GL_RGB5, GL_RGB4 },
878 { PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
879 DEFAULT_RGBA_FORMATS }
880 },
881
882 /* basic Alpha formats */
883 {
884 { GL_ALPHA12, GL_ALPHA16, 0 },
885 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
886 DEFAULT_RGBA_FORMATS }
887 },
888 {
889 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
890 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
891 },
892
893 /* basic Luminance formats */
894 {
895 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
896 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
897 },
898 {
899 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
900 { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
901 },
902
903 /* basic Luminance/Alpha formats */
904 {
905 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
906 GL_LUMINANCE16_ALPHA16, 0},
907 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
908 DEFAULT_RGBA_FORMATS }
909 },
910 {
911 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
912 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
913 },
914 {
915 { GL_LUMINANCE4_ALPHA4, 0 },
916 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
917 DEFAULT_RGBA_FORMATS }
918 },
919
920 /* basic Intensity formats */
921 {
922 { GL_INTENSITY12, GL_INTENSITY16, 0 },
923 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
924 },
925 {
926 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
927 GL_COMPRESSED_INTENSITY, 0 },
928 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
929 },
930
931 /* YCbCr */
932 {
933 { GL_YCBCR_MESA, 0 },
934 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
935 },
936
937 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
938 {
939 { GL_COMPRESSED_RGB, 0 },
940 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
941 },
942 {
943 { GL_COMPRESSED_RGBA, 0 },
944 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
945 },
946 {
947 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
948 { PIPE_FORMAT_DXT1_RGB, 0 }
949 },
950 {
951 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
952 { PIPE_FORMAT_DXT1_RGBA, 0 }
953 },
954 {
955 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
956 { PIPE_FORMAT_DXT3_RGBA, 0 }
957 },
958 {
959 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
960 { PIPE_FORMAT_DXT5_RGBA, 0 }
961 },
962
963 #if 0
964 {
965 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
966 { PIPE_FORMAT_RGB_FXT1, 0 }
967 },
968 {
969 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
970 { PIPE_FORMAT_RGBA_FXT1, 0 }
971 },
972 #endif
973
974 /* Depth formats */
975 {
976 { GL_DEPTH_COMPONENT16, 0 },
977 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
978 },
979 {
980 { GL_DEPTH_COMPONENT24, 0 },
981 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
982 DEFAULT_DEPTH_FORMATS }
983 },
984 {
985 { GL_DEPTH_COMPONENT32, 0 },
986 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
987 },
988 {
989 { GL_DEPTH_COMPONENT, 0 },
990 { DEFAULT_DEPTH_FORMATS }
991 },
992 {
993 { GL_DEPTH_COMPONENT32F, 0 },
994 { PIPE_FORMAT_Z32_FLOAT, 0 }
995 },
996
997 /* stencil formats */
998 {
999 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
1000 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
1001 {
1002 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
1003 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
1004 }
1005 },
1006
1007 /* Depth / Stencil formats */
1008 {
1009 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
1010 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
1011 },
1012 {
1013 { GL_DEPTH32F_STENCIL8, 0 },
1014 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1015 },
1016
1017 /* sRGB formats */
1018 {
1019 { GL_SRGB_EXT, GL_SRGB8_EXT, GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1020 { DEFAULT_SRGBA_FORMATS }
1021 },
1022 {
1023 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1024 { PIPE_FORMAT_DXT1_SRGB, DEFAULT_SRGBA_FORMATS }
1025 },
1026 {
1027 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1028 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1029 },
1030 {
1031 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1032 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1033 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1034 },
1035 {
1036 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1037 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1038 },
1039 {
1040 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1041 GL_COMPRESSED_SLUMINANCE_EXT, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1042 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1043 },
1044 {
1045 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, 0 },
1046 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1047 },
1048
1049 /* 16-bit float formats */
1050 {
1051 { GL_RGBA16F_ARB, 0 },
1052 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1053 },
1054 {
1055 { GL_RGB16F_ARB, 0 },
1056 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1057 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1058 },
1059 {
1060 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1061 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1062 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1063 },
1064 {
1065 { GL_ALPHA16F_ARB, 0 },
1066 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1067 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1068 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1069 },
1070 {
1071 { GL_INTENSITY16F_ARB, 0 },
1072 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1073 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1074 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1075 },
1076 {
1077 { GL_LUMINANCE16F_ARB, 0 },
1078 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1079 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1080 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1081 },
1082 {
1083 { GL_R16F, 0 },
1084 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1085 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1086 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1087 },
1088 {
1089 { GL_RG16F, 0 },
1090 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1091 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1092 },
1093
1094 /* 32-bit float formats */
1095 {
1096 { GL_RGBA32F_ARB, 0 },
1097 { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1098 },
1099 {
1100 { GL_RGB32F_ARB, 0 },
1101 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1102 PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1103 },
1104 {
1105 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1106 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1107 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1108 },
1109 {
1110 { GL_ALPHA32F_ARB, 0 },
1111 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1112 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
1113 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1114 },
1115 {
1116 { GL_INTENSITY32F_ARB, 0 },
1117 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1118 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
1119 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1120 },
1121 {
1122 { GL_LUMINANCE32F_ARB, 0 },
1123 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1124 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
1125 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1126 },
1127 {
1128 { GL_R32F, 0 },
1129 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1130 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
1131 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1132 },
1133 {
1134 { GL_RG32F, 0 },
1135 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1136 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1137 },
1138
1139 /* R, RG formats */
1140 {
1141 { GL_RED, GL_R8, 0 },
1142 { PIPE_FORMAT_R8_UNORM, 0 }
1143 },
1144 {
1145 { GL_RG, GL_RG8, 0 },
1146 { PIPE_FORMAT_R8G8_UNORM, 0 }
1147 },
1148 {
1149 { GL_R16, 0 },
1150 { PIPE_FORMAT_R16_UNORM, 0 }
1151 },
1152 {
1153 { GL_RG16, 0 },
1154 { PIPE_FORMAT_R16G16_UNORM, 0 }
1155 },
1156
1157 /* compressed R, RG formats */
1158 {
1159 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1160 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, 0 }
1161 },
1162 {
1163 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1164 { PIPE_FORMAT_RGTC1_SNORM, 0 }
1165 },
1166 {
1167 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1168 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, 0 }
1169 },
1170 {
1171 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1172 { PIPE_FORMAT_RGTC2_SNORM, 0 }
1173 },
1174 {
1175 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1176 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, 0 }
1177 },
1178 {
1179 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1180 { PIPE_FORMAT_LATC1_SNORM, 0 }
1181 },
1182 {
1183 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1184 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1185 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, 0 }
1186 },
1187 {
1188 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1189 { PIPE_FORMAT_LATC2_SNORM, 0 }
1190 },
1191
1192 /* signed/unsigned integer formats.
1193 */
1194 {
1195 { GL_RED_INTEGER_EXT,
1196 GL_GREEN_INTEGER_EXT,
1197 GL_BLUE_INTEGER_EXT,
1198 GL_RGBA_INTEGER_EXT,
1199 GL_BGRA_INTEGER_EXT,
1200 GL_RGBA8I_EXT, 0 },
1201 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1202 },
1203 {
1204 { GL_RGB_INTEGER_EXT,
1205 GL_BGR_INTEGER_EXT,
1206 GL_RGB8I_EXT, 0 },
1207 { PIPE_FORMAT_R8G8B8_SINT,
1208 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1209 },
1210 {
1211 { GL_ALPHA_INTEGER_EXT,
1212 GL_ALPHA8I_EXT, 0 },
1213 { PIPE_FORMAT_A8_SINT, 0 }
1214 },
1215 {
1216 { GL_ALPHA16I_EXT, 0 },
1217 { PIPE_FORMAT_A16_SINT, 0 }
1218 },
1219 {
1220 { GL_ALPHA32I_EXT, 0 },
1221 { PIPE_FORMAT_A32_SINT, 0 }
1222 },
1223 {
1224 { GL_ALPHA8UI_EXT, 0 },
1225 { PIPE_FORMAT_A8_UINT, 0 }
1226 },
1227 {
1228 { GL_ALPHA16UI_EXT, 0 },
1229 { PIPE_FORMAT_A16_UINT, 0 }
1230 },
1231 {
1232 { GL_ALPHA32UI_EXT, 0 },
1233 { PIPE_FORMAT_A32_UINT, 0 }
1234 },
1235 {
1236 { GL_INTENSITY8I_EXT, 0 },
1237 { PIPE_FORMAT_I8_SINT, 0 }
1238 },
1239 {
1240 { GL_INTENSITY16I_EXT, 0 },
1241 { PIPE_FORMAT_I16_SINT, 0 }
1242 },
1243 {
1244 { GL_INTENSITY32I_EXT, 0 },
1245 { PIPE_FORMAT_I32_SINT, 0 }
1246 },
1247 {
1248 { GL_INTENSITY8UI_EXT, 0 },
1249 { PIPE_FORMAT_I8_UINT, 0 }
1250 },
1251 {
1252 { GL_INTENSITY16UI_EXT, 0 },
1253 { PIPE_FORMAT_I16_UINT, 0 }
1254 },
1255 {
1256 { GL_INTENSITY32UI_EXT, 0 },
1257 { PIPE_FORMAT_I32_UINT, 0 }
1258 },
1259 {
1260 { GL_LUMINANCE8I_EXT, 0 },
1261 { PIPE_FORMAT_L8_SINT, 0 }
1262 },
1263 {
1264 { GL_LUMINANCE16I_EXT, 0 },
1265 { PIPE_FORMAT_L16_SINT, 0 }
1266 },
1267 {
1268 { GL_LUMINANCE32I_EXT, 0 },
1269 { PIPE_FORMAT_L32_SINT, 0 }
1270 },
1271 {
1272 { GL_LUMINANCE_INTEGER_EXT,
1273 GL_LUMINANCE8UI_EXT, 0 },
1274 { PIPE_FORMAT_L8_UINT, 0 }
1275 },
1276 {
1277 { GL_LUMINANCE16UI_EXT, 0 },
1278 { PIPE_FORMAT_L16_UINT, 0 }
1279 },
1280 {
1281 { GL_LUMINANCE32UI_EXT, 0 },
1282 { PIPE_FORMAT_L32_UINT, 0 }
1283 },
1284 {
1285 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1286 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1287 { PIPE_FORMAT_L8A8_SINT, 0 }
1288 },
1289 {
1290 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1291 { PIPE_FORMAT_L16A16_SINT, 0 }
1292 },
1293 {
1294 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1295 { PIPE_FORMAT_L32A32_SINT, 0 }
1296 },
1297 {
1298 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1299 { PIPE_FORMAT_L8A8_UINT, 0 }
1300 },
1301 {
1302 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1303 { PIPE_FORMAT_L16A16_UINT, 0 }
1304 },
1305 {
1306 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1307 { PIPE_FORMAT_L32A32_UINT, 0 }
1308 },
1309 {
1310 { GL_RGB16I_EXT, 0 },
1311 { PIPE_FORMAT_R16G16B16_SINT,
1312 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1313 },
1314 {
1315 { GL_RGBA16I_EXT, 0 },
1316 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1317 },
1318 {
1319 { GL_RGB32I_EXT, 0 },
1320 { PIPE_FORMAT_R32G32B32_SINT,
1321 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1322 },
1323 {
1324 { GL_RGBA32I_EXT, 0 },
1325 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1326 },
1327 {
1328 { GL_RGBA8UI_EXT, 0 },
1329 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1330 },
1331 {
1332 { GL_RGB8UI_EXT, 0 },
1333 { PIPE_FORMAT_R8G8B8_UINT,
1334 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1335 },
1336 {
1337 { GL_RGB16UI_EXT, 0 },
1338 { PIPE_FORMAT_R16G16B16_UINT,
1339 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1340 },
1341 {
1342 { GL_RGBA16UI_EXT, 0 },
1343 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1344 },
1345 {
1346 { GL_RGB32UI_EXT, 0},
1347 { PIPE_FORMAT_R32G32B32_UINT,
1348 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1349 },
1350 {
1351 { GL_RGBA32UI_EXT, 0},
1352 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1353 },
1354 {
1355 { GL_R8I, 0},
1356 { PIPE_FORMAT_R8_SINT, 0},
1357 },
1358 {
1359 { GL_R16I, 0},
1360 { PIPE_FORMAT_R16_SINT, 0},
1361 },
1362 {
1363 { GL_R32I, 0},
1364 { PIPE_FORMAT_R32_SINT, 0},
1365 },
1366 {
1367 { GL_R8UI, 0},
1368 { PIPE_FORMAT_R8_UINT, 0},
1369 },
1370 {
1371 { GL_R16UI, 0},
1372 { PIPE_FORMAT_R16_UINT, 0},
1373 },
1374 {
1375 { GL_R32UI, 0},
1376 { PIPE_FORMAT_R32_UINT, 0},
1377 },
1378 {
1379 { GL_RG8I, 0},
1380 { PIPE_FORMAT_R8G8_SINT, 0},
1381 },
1382 {
1383 { GL_RG16I, 0},
1384 { PIPE_FORMAT_R16G16_SINT, 0},
1385 },
1386 {
1387 { GL_RG32I, 0},
1388 { PIPE_FORMAT_R32G32_SINT, 0},
1389 },
1390 {
1391 { GL_RG8UI, 0},
1392 { PIPE_FORMAT_R8G8_UINT, 0},
1393 },
1394 {
1395 { GL_RG16UI, 0},
1396 { PIPE_FORMAT_R16G16_UINT, 0},
1397 },
1398 {
1399 { GL_RG32UI, 0},
1400 { PIPE_FORMAT_R32G32_UINT, 0},
1401 },
1402 /* signed normalized formats */
1403 {
1404 { GL_RED_SNORM, GL_R8_SNORM, 0 },
1405 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
1406 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1407 },
1408 {
1409 { GL_R16_SNORM, 0 },
1410 { PIPE_FORMAT_R16_SNORM,
1411 PIPE_FORMAT_R16G16_SNORM,
1412 PIPE_FORMAT_R16G16B16A16_SNORM,
1413 PIPE_FORMAT_R8_SNORM,
1414 PIPE_FORMAT_R8G8_SNORM,
1415 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1416 },
1417 {
1418 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
1419 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1420 },
1421 {
1422 { GL_RG16_SNORM, 0 },
1423 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1424 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1425 },
1426 {
1427 { GL_RGB_SNORM, GL_RGB8_SNORM, GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
1428 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1429 },
1430 {
1431 { GL_RGB16_SNORM, GL_RGBA16_SNORM, 0 },
1432 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1433 },
1434 {
1435 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
1436 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1437 },
1438 {
1439 { GL_ALPHA16_SNORM, 0 },
1440 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1441 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1442 },
1443 {
1444 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
1445 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1446 },
1447 {
1448 { GL_LUMINANCE16_SNORM, 0 },
1449 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1450 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1451 },
1452 {
1453 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
1454 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1455 },
1456 {
1457 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
1458 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1459 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1460 },
1461 {
1462 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
1463 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1464 },
1465 {
1466 { GL_INTENSITY16_SNORM, 0 },
1467 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1468 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1469 },
1470 {
1471 { GL_RGB9_E5, 0 },
1472 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
1473 },
1474 {
1475 { GL_R11F_G11F_B10F, 0 },
1476 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
1477 },
1478 {
1479 { GL_RGB10_A2UI, 0 },
1480 { PIPE_FORMAT_B10G10R10A2_UINT, 0 }
1481 },
1482 };
1483
1484
1485 /**
1486 * Return first supported format from the given list.
1487 */
1488 static enum pipe_format
1489 find_supported_format(struct pipe_screen *screen,
1490 const enum pipe_format formats[],
1491 enum pipe_texture_target target,
1492 unsigned sample_count,
1493 unsigned tex_usage)
1494 {
1495 uint i;
1496 for (i = 0; formats[i]; i++) {
1497 if (screen->is_format_supported(screen, formats[i], target,
1498 sample_count, tex_usage)) {
1499 return formats[i];
1500 }
1501 }
1502 return PIPE_FORMAT_NONE;
1503 }
1504
1505 struct exact_format_mapping
1506 {
1507 GLenum format;
1508 GLenum type;
1509 enum pipe_format pformat;
1510 };
1511
1512 static const struct exact_format_mapping rgba8888_tbl[] =
1513 {
1514 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8B8G8R8_UNORM },
1515 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_A8B8G8R8_UNORM },
1516 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8A8_UNORM },
1517 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8A8_UNORM },
1518 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8R8G8B8_UNORM },
1519 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8A8_UNORM },
1520 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
1521 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
1522 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
1523 { 0, 0, 0 }
1524 };
1525
1526 static const struct exact_format_mapping rgbx8888_tbl[] =
1527 {
1528 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8R8G8B8_UNORM },
1529 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8X8_UNORM },
1530 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
1531 /* No Mesa formats for these Gallium formats:
1532 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
1533 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
1534 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
1535 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
1536 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1537 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1538 */
1539 { 0, 0, 0 }
1540 };
1541
1542 static const struct exact_format_mapping rgba1010102_tbl[] =
1543 {
1544 { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
1545 /* No Mesa formats for these Gallium formats:
1546 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1547 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1548 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1549 */
1550 { 0, 0, 0 }
1551 };
1552
1553 /**
1554 * If there is an exact pipe_format match for {internalFormat, format, type}
1555 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1556 */
1557 static enum pipe_format
1558 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
1559 {
1560 uint i;
1561 const struct exact_format_mapping* tbl;
1562
1563 if (format == GL_NONE || type == GL_NONE)
1564 return PIPE_FORMAT_NONE;
1565
1566 switch (internalFormat) {
1567 case 4:
1568 case GL_RGBA:
1569 case GL_RGBA8:
1570 tbl = rgba8888_tbl;
1571 break;
1572 case 3:
1573 case GL_RGB:
1574 case GL_RGB8:
1575 tbl = rgbx8888_tbl;
1576 break;
1577 case GL_RGB10_A2:
1578 tbl = rgba1010102_tbl;
1579 break;
1580 default:
1581 return PIPE_FORMAT_NONE;
1582 }
1583
1584 for (i = 0; tbl[i].format; i++)
1585 if (tbl[i].format == format && tbl[i].type == type)
1586 return tbl[i].pformat;
1587
1588 return PIPE_FORMAT_NONE;
1589 }
1590
1591 /**
1592 * Given an OpenGL internalFormat value for a texture or surface, return
1593 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1594 * This is called during glTexImage2D, for example.
1595 *
1596 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1597 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1598 * we want render-to-texture ability.
1599 *
1600 * \param internalFormat the user value passed to glTexImage2D
1601 * \param target one of PIPE_TEXTURE_x
1602 * \param bindings bitmask of PIPE_BIND_x flags.
1603 */
1604 enum pipe_format
1605 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
1606 GLenum format, GLenum type,
1607 enum pipe_texture_target target, unsigned sample_count,
1608 unsigned bindings)
1609 {
1610 GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
1611 int i, j;
1612 enum pipe_format pf;
1613
1614 /* can't render to compressed formats at this time */
1615 if (_mesa_is_compressed_format(ctx, internalFormat)
1616 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
1617 return PIPE_FORMAT_NONE;
1618 }
1619
1620 /* search for exact matches */
1621 pf = find_exact_format(internalFormat, format, type);
1622 if (pf != PIPE_FORMAT_NONE &&
1623 screen->is_format_supported(screen, pf,
1624 target, sample_count, bindings))
1625 return pf;
1626
1627 /* search table for internalFormat */
1628 for (i = 0; i < Elements(format_map); i++) {
1629 const struct format_mapping *mapping = &format_map[i];
1630 for (j = 0; mapping->glFormats[j]; j++) {
1631 if (mapping->glFormats[j] == internalFormat) {
1632 /* Found the desired internal format. Find first pipe format
1633 * which is supported by the driver.
1634 */
1635 return find_supported_format(screen, mapping->pipeFormats,
1636 target, sample_count, bindings);
1637 }
1638 }
1639 }
1640
1641 _mesa_problem(NULL, "unhandled format!\n");
1642 return PIPE_FORMAT_NONE;
1643 }
1644
1645
1646 /**
1647 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1648 */
1649 enum pipe_format
1650 st_choose_renderbuffer_format(struct pipe_screen *screen,
1651 GLenum internalFormat, unsigned sample_count)
1652 {
1653 uint usage;
1654 if (_mesa_is_depth_or_stencil_format(internalFormat))
1655 usage = PIPE_BIND_DEPTH_STENCIL;
1656 else
1657 usage = PIPE_BIND_RENDER_TARGET;
1658 return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D,
1659 sample_count, usage);
1660 }
1661
1662
1663 gl_format
1664 st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
1665 GLenum format, GLenum type, GLboolean renderable)
1666 {
1667 struct pipe_screen *screen = st_context(ctx)->pipe->screen;
1668 enum pipe_format pFormat;
1669 uint bindings;
1670
1671 (void) format;
1672 (void) type;
1673
1674 /* GL textures may wind up being render targets, but we don't know
1675 * that in advance. Specify potential render target flags now.
1676 */
1677 bindings = PIPE_BIND_SAMPLER_VIEW;
1678 if (renderable) {
1679 if (_mesa_is_depth_or_stencil_format(internalFormat))
1680 bindings |= PIPE_BIND_DEPTH_STENCIL;
1681 else
1682 bindings |= PIPE_BIND_RENDER_TARGET;
1683 }
1684
1685 pFormat = st_choose_format(screen, internalFormat, format, type,
1686 PIPE_TEXTURE_2D, 0, bindings);
1687
1688 if (pFormat == PIPE_FORMAT_NONE) {
1689 /* try choosing format again, this time without render target bindings */
1690 pFormat = st_choose_format(screen, internalFormat, format, type,
1691 PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
1692 }
1693
1694 if (pFormat == PIPE_FORMAT_NONE) {
1695 /* no luck at all */
1696 return MESA_FORMAT_NONE;
1697 }
1698
1699 return st_pipe_format_to_mesa_format(pFormat);
1700 }
1701
1702
1703 /**
1704 * Called via ctx->Driver.ChooseTextureFormat().
1705 */
1706 gl_format
1707 st_ChooseTextureFormat(struct gl_context *ctx, GLint internalFormat,
1708 GLenum format, GLenum type)
1709 {
1710 boolean want_renderable =
1711 internalFormat == 3 || internalFormat == 4 ||
1712 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
1713 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
1714 internalFormat == GL_BGRA;
1715
1716 return st_ChooseTextureFormat_renderable(ctx, internalFormat,
1717 format, type, want_renderable);
1718 }
1719
1720 /**
1721 * Test if a gallium format is equivalent to a GL format/type.
1722 */
1723 GLboolean
1724 st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type)
1725 {
1726 switch (pFormat) {
1727 case PIPE_FORMAT_A8B8G8R8_UNORM:
1728 return format == GL_RGBA && type == GL_UNSIGNED_BYTE;
1729 case PIPE_FORMAT_A8R8G8B8_UNORM:
1730 return format == GL_BGRA && type == GL_UNSIGNED_BYTE;
1731 case PIPE_FORMAT_B5G6R5_UNORM:
1732 return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5;
1733 /* XXX more combos... */
1734 default:
1735 return GL_FALSE;
1736 }
1737 }
1738
1739 GLboolean
1740 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
1741 {
1742 if (format1 == format2)
1743 return GL_TRUE;
1744
1745 if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
1746 format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
1747 return GL_TRUE;
1748
1749 if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
1750 format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
1751 return GL_TRUE;
1752
1753 if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
1754 format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
1755 return GL_TRUE;
1756
1757 if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM &&
1758 format2 == PIPE_FORMAT_A8B8G8R8_UNORM)
1759 return GL_TRUE;
1760
1761 if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM &&
1762 format2 == PIPE_FORMAT_X8R8G8B8_UNORM)
1763 return GL_TRUE;
1764
1765 if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM &&
1766 format2 == PIPE_FORMAT_A8R8G8B8_UNORM)
1767 return GL_TRUE;
1768
1769 return GL_FALSE;
1770 }
1771
1772
1773
1774 /**
1775 * This is used for translating texture border color and the clear
1776 * color. For example, the clear color is interpreted according to
1777 * the renderbuffer's base format. For example, if clearing a
1778 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1779 * colorOut[2] = colorIn[0].
1780 * Similarly for texture border colors.
1781 */
1782 void
1783 st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
1784 GLfloat colorOut[4])
1785 {
1786 switch (baseFormat) {
1787 case GL_RED:
1788 colorOut[0] = colorIn[0];
1789 colorOut[1] = 0.0F;
1790 colorOut[2] = 0.0F;
1791 colorOut[3] = 1.0F;
1792 break;
1793 case GL_RG:
1794 colorOut[0] = colorIn[0];
1795 colorOut[1] = colorIn[1];
1796 colorOut[2] = 0.0F;
1797 colorOut[3] = 1.0F;
1798 break;
1799 case GL_RGB:
1800 colorOut[0] = colorIn[0];
1801 colorOut[1] = colorIn[1];
1802 colorOut[2] = colorIn[2];
1803 colorOut[3] = 1.0F;
1804 break;
1805 case GL_ALPHA:
1806 colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
1807 colorOut[3] = colorIn[3];
1808 break;
1809 case GL_LUMINANCE:
1810 colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
1811 colorOut[3] = 1.0;
1812 break;
1813 case GL_LUMINANCE_ALPHA:
1814 colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
1815 colorOut[3] = colorIn[3];
1816 break;
1817 case GL_INTENSITY:
1818 colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
1819 break;
1820 default:
1821 COPY_4V(colorOut, colorIn);
1822 }
1823 }