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[mesa.git] / src / mesa / state_tracker / st_format.c
1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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/glformats.h"
38 #include "main/texgetimage.h"
39 #include "main/teximage.h"
40 #include "main/texstore.h"
41 #include "main/image.h"
42 #include "main/macros.h"
43
44 #include "pipe/p_context.h"
45 #include "pipe/p_defines.h"
46 #include "pipe/p_screen.h"
47 #include "util/u_format.h"
48 #include "st_cb_texture.h"
49 #include "st_context.h"
50 #include "st_format.h"
51
52
53 /**
54 * Translate Mesa format to Gallium format.
55 */
56 enum pipe_format
57 st_mesa_format_to_pipe_format(gl_format mesaFormat)
58 {
59 switch (mesaFormat) {
60 case MESA_FORMAT_RGBA8888:
61 return PIPE_FORMAT_ABGR8888_UNORM;
62 case MESA_FORMAT_RGBA8888_REV:
63 return PIPE_FORMAT_RGBA8888_UNORM;
64 case MESA_FORMAT_ARGB8888:
65 return PIPE_FORMAT_BGRA8888_UNORM;
66 case MESA_FORMAT_ARGB8888_REV:
67 return PIPE_FORMAT_ARGB8888_UNORM;
68 case MESA_FORMAT_RGBX8888:
69 return PIPE_FORMAT_XBGR8888_UNORM;
70 case MESA_FORMAT_RGBX8888_REV:
71 return PIPE_FORMAT_RGBX8888_UNORM;
72 case MESA_FORMAT_XRGB8888:
73 return PIPE_FORMAT_BGRX8888_UNORM;
74 case MESA_FORMAT_XRGB8888_REV:
75 return PIPE_FORMAT_XRGB8888_UNORM;
76 case MESA_FORMAT_ARGB1555:
77 return PIPE_FORMAT_B5G5R5A1_UNORM;
78 case MESA_FORMAT_ARGB4444:
79 return PIPE_FORMAT_B4G4R4A4_UNORM;
80 case MESA_FORMAT_RGB565:
81 return PIPE_FORMAT_B5G6R5_UNORM;
82 case MESA_FORMAT_RGB332:
83 return PIPE_FORMAT_B2G3R3_UNORM;
84 case MESA_FORMAT_ARGB2101010:
85 return PIPE_FORMAT_B10G10R10A2_UNORM;
86 case MESA_FORMAT_AL44:
87 return PIPE_FORMAT_L4A4_UNORM;
88 case MESA_FORMAT_AL88:
89 return PIPE_FORMAT_L8A8_UNORM;
90 case MESA_FORMAT_AL1616:
91 return PIPE_FORMAT_L16A16_UNORM;
92 case MESA_FORMAT_A8:
93 return PIPE_FORMAT_A8_UNORM;
94 case MESA_FORMAT_A16:
95 return PIPE_FORMAT_A16_UNORM;
96 case MESA_FORMAT_L8:
97 return PIPE_FORMAT_L8_UNORM;
98 case MESA_FORMAT_L16:
99 return PIPE_FORMAT_L16_UNORM;
100 case MESA_FORMAT_I8:
101 return PIPE_FORMAT_I8_UNORM;
102 case MESA_FORMAT_I16:
103 return PIPE_FORMAT_I16_UNORM;
104 case MESA_FORMAT_Z16:
105 return PIPE_FORMAT_Z16_UNORM;
106 case MESA_FORMAT_Z32:
107 return PIPE_FORMAT_Z32_UNORM;
108 case MESA_FORMAT_Z24_S8:
109 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
110 case MESA_FORMAT_S8_Z24:
111 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
112 case MESA_FORMAT_Z24_X8:
113 return PIPE_FORMAT_X8Z24_UNORM;
114 case MESA_FORMAT_X8_Z24:
115 return PIPE_FORMAT_Z24X8_UNORM;
116 case MESA_FORMAT_S8:
117 return PIPE_FORMAT_S8_UINT;
118 case MESA_FORMAT_Z32_FLOAT:
119 return PIPE_FORMAT_Z32_FLOAT;
120 case MESA_FORMAT_Z32_FLOAT_X24S8:
121 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
122 case MESA_FORMAT_YCBCR:
123 return PIPE_FORMAT_UYVY;
124 case MESA_FORMAT_RGB_DXT1:
125 return PIPE_FORMAT_DXT1_RGB;
126 case MESA_FORMAT_RGBA_DXT1:
127 return PIPE_FORMAT_DXT1_RGBA;
128 case MESA_FORMAT_RGBA_DXT3:
129 return PIPE_FORMAT_DXT3_RGBA;
130 case MESA_FORMAT_RGBA_DXT5:
131 return PIPE_FORMAT_DXT5_RGBA;
132 case MESA_FORMAT_SRGB_DXT1:
133 return PIPE_FORMAT_DXT1_SRGB;
134 case MESA_FORMAT_SRGBA_DXT1:
135 return PIPE_FORMAT_DXT1_SRGBA;
136 case MESA_FORMAT_SRGBA_DXT3:
137 return PIPE_FORMAT_DXT3_SRGBA;
138 case MESA_FORMAT_SRGBA_DXT5:
139 return PIPE_FORMAT_DXT5_SRGBA;
140 case MESA_FORMAT_SLA8:
141 return PIPE_FORMAT_L8A8_SRGB;
142 case MESA_FORMAT_SL8:
143 return PIPE_FORMAT_L8_SRGB;
144 case MESA_FORMAT_SRGB8:
145 return PIPE_FORMAT_R8G8B8_SRGB;
146 case MESA_FORMAT_SRGBA8:
147 return PIPE_FORMAT_A8B8G8R8_SRGB;
148 case MESA_FORMAT_SARGB8:
149 return PIPE_FORMAT_B8G8R8A8_SRGB;
150 case MESA_FORMAT_RGBA_FLOAT32:
151 return PIPE_FORMAT_R32G32B32A32_FLOAT;
152 case MESA_FORMAT_RGBA_FLOAT16:
153 return PIPE_FORMAT_R16G16B16A16_FLOAT;
154 case MESA_FORMAT_RGB_FLOAT32:
155 return PIPE_FORMAT_R32G32B32_FLOAT;
156 case MESA_FORMAT_RGB_FLOAT16:
157 return PIPE_FORMAT_R16G16B16_FLOAT;
158 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
159 return PIPE_FORMAT_L32A32_FLOAT;
160 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
161 return PIPE_FORMAT_L16A16_FLOAT;
162 case MESA_FORMAT_LUMINANCE_FLOAT32:
163 return PIPE_FORMAT_L32_FLOAT;
164 case MESA_FORMAT_LUMINANCE_FLOAT16:
165 return PIPE_FORMAT_L16_FLOAT;
166 case MESA_FORMAT_ALPHA_FLOAT32:
167 return PIPE_FORMAT_A32_FLOAT;
168 case MESA_FORMAT_ALPHA_FLOAT16:
169 return PIPE_FORMAT_A16_FLOAT;
170 case MESA_FORMAT_INTENSITY_FLOAT32:
171 return PIPE_FORMAT_I32_FLOAT;
172 case MESA_FORMAT_INTENSITY_FLOAT16:
173 return PIPE_FORMAT_I16_FLOAT;
174 case MESA_FORMAT_R_FLOAT32:
175 return PIPE_FORMAT_R32_FLOAT;
176 case MESA_FORMAT_R_FLOAT16:
177 return PIPE_FORMAT_R16_FLOAT;
178 case MESA_FORMAT_RG_FLOAT32:
179 return PIPE_FORMAT_R32G32_FLOAT;
180 case MESA_FORMAT_RG_FLOAT16:
181 return PIPE_FORMAT_R16G16_FLOAT;
182
183 case MESA_FORMAT_R8:
184 return PIPE_FORMAT_R8_UNORM;
185 case MESA_FORMAT_R16:
186 return PIPE_FORMAT_R16_UNORM;
187 case MESA_FORMAT_GR88:
188 return PIPE_FORMAT_R8G8_UNORM;
189 case MESA_FORMAT_GR1616:
190 return PIPE_FORMAT_R16G16_UNORM;
191 case MESA_FORMAT_RGBA_16:
192 return PIPE_FORMAT_R16G16B16A16_UNORM;
193
194 /* signed int formats */
195 case MESA_FORMAT_ALPHA_UINT8:
196 return PIPE_FORMAT_A8_UINT;
197 case MESA_FORMAT_ALPHA_UINT16:
198 return PIPE_FORMAT_A16_UINT;
199 case MESA_FORMAT_ALPHA_UINT32:
200 return PIPE_FORMAT_A32_UINT;
201
202 case MESA_FORMAT_ALPHA_INT8:
203 return PIPE_FORMAT_A8_SINT;
204 case MESA_FORMAT_ALPHA_INT16:
205 return PIPE_FORMAT_A16_SINT;
206 case MESA_FORMAT_ALPHA_INT32:
207 return PIPE_FORMAT_A32_SINT;
208
209 case MESA_FORMAT_INTENSITY_UINT8:
210 return PIPE_FORMAT_I8_UINT;
211 case MESA_FORMAT_INTENSITY_UINT16:
212 return PIPE_FORMAT_I16_UINT;
213 case MESA_FORMAT_INTENSITY_UINT32:
214 return PIPE_FORMAT_I32_UINT;
215
216 case MESA_FORMAT_INTENSITY_INT8:
217 return PIPE_FORMAT_I8_SINT;
218 case MESA_FORMAT_INTENSITY_INT16:
219 return PIPE_FORMAT_I16_SINT;
220 case MESA_FORMAT_INTENSITY_INT32:
221 return PIPE_FORMAT_I32_SINT;
222
223 case MESA_FORMAT_LUMINANCE_UINT8:
224 return PIPE_FORMAT_L8_UINT;
225 case MESA_FORMAT_LUMINANCE_UINT16:
226 return PIPE_FORMAT_L16_UINT;
227 case MESA_FORMAT_LUMINANCE_UINT32:
228 return PIPE_FORMAT_L32_UINT;
229
230 case MESA_FORMAT_LUMINANCE_INT8:
231 return PIPE_FORMAT_L8_SINT;
232 case MESA_FORMAT_LUMINANCE_INT16:
233 return PIPE_FORMAT_L16_SINT;
234 case MESA_FORMAT_LUMINANCE_INT32:
235 return PIPE_FORMAT_L32_SINT;
236
237 case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
238 return PIPE_FORMAT_L8A8_UINT;
239 case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
240 return PIPE_FORMAT_L16A16_UINT;
241 case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
242 return PIPE_FORMAT_L32A32_UINT;
243
244 case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
245 return PIPE_FORMAT_L8A8_SINT;
246 case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
247 return PIPE_FORMAT_L16A16_SINT;
248 case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
249 return PIPE_FORMAT_L32A32_SINT;
250
251 case MESA_FORMAT_R_INT8:
252 return PIPE_FORMAT_R8_SINT;
253 case MESA_FORMAT_RG_INT8:
254 return PIPE_FORMAT_R8G8_SINT;
255 case MESA_FORMAT_RGB_INT8:
256 return PIPE_FORMAT_R8G8B8_SINT;
257 case MESA_FORMAT_RGBA_INT8:
258 return PIPE_FORMAT_R8G8B8A8_SINT;
259 case MESA_FORMAT_R_INT16:
260 return PIPE_FORMAT_R16_SINT;
261 case MESA_FORMAT_RG_INT16:
262 return PIPE_FORMAT_R16G16_SINT;
263 case MESA_FORMAT_RGB_INT16:
264 return PIPE_FORMAT_R16G16B16_SINT;
265 case MESA_FORMAT_RGBA_INT16:
266 return PIPE_FORMAT_R16G16B16A16_SINT;
267 case MESA_FORMAT_R_INT32:
268 return PIPE_FORMAT_R32_SINT;
269 case MESA_FORMAT_RG_INT32:
270 return PIPE_FORMAT_R32G32_SINT;
271 case MESA_FORMAT_RGB_INT32:
272 return PIPE_FORMAT_R32G32B32_SINT;
273 case MESA_FORMAT_RGBA_INT32:
274 return PIPE_FORMAT_R32G32B32A32_SINT;
275
276 /* unsigned int formats */
277 case MESA_FORMAT_R_UINT8:
278 return PIPE_FORMAT_R8_UINT;
279 case MESA_FORMAT_RG_UINT8:
280 return PIPE_FORMAT_R8G8_UINT;
281 case MESA_FORMAT_RGB_UINT8:
282 return PIPE_FORMAT_R8G8B8_UINT;
283 case MESA_FORMAT_RGBA_UINT8:
284 return PIPE_FORMAT_R8G8B8A8_UINT;
285 case MESA_FORMAT_R_UINT16:
286 return PIPE_FORMAT_R16_UINT;
287 case MESA_FORMAT_RG_UINT16:
288 return PIPE_FORMAT_R16G16_UINT;
289 case MESA_FORMAT_RGB_UINT16:
290 return PIPE_FORMAT_R16G16B16_UINT;
291 case MESA_FORMAT_RGBA_UINT16:
292 return PIPE_FORMAT_R16G16B16A16_UINT;
293 case MESA_FORMAT_R_UINT32:
294 return PIPE_FORMAT_R32_UINT;
295 case MESA_FORMAT_RG_UINT32:
296 return PIPE_FORMAT_R32G32_UINT;
297 case MESA_FORMAT_RGB_UINT32:
298 return PIPE_FORMAT_R32G32B32_UINT;
299 case MESA_FORMAT_RGBA_UINT32:
300 return PIPE_FORMAT_R32G32B32A32_UINT;
301
302 case MESA_FORMAT_RED_RGTC1:
303 return PIPE_FORMAT_RGTC1_UNORM;
304 case MESA_FORMAT_SIGNED_RED_RGTC1:
305 return PIPE_FORMAT_RGTC1_SNORM;
306 case MESA_FORMAT_RG_RGTC2:
307 return PIPE_FORMAT_RGTC2_UNORM;
308 case MESA_FORMAT_SIGNED_RG_RGTC2:
309 return PIPE_FORMAT_RGTC2_SNORM;
310
311 case MESA_FORMAT_L_LATC1:
312 return PIPE_FORMAT_LATC1_UNORM;
313 case MESA_FORMAT_SIGNED_L_LATC1:
314 return PIPE_FORMAT_LATC1_SNORM;
315 case MESA_FORMAT_LA_LATC2:
316 return PIPE_FORMAT_LATC2_UNORM;
317 case MESA_FORMAT_SIGNED_LA_LATC2:
318 return PIPE_FORMAT_LATC2_SNORM;
319
320 case MESA_FORMAT_ETC1_RGB8:
321 return PIPE_FORMAT_ETC1_RGB8;
322
323 /* signed normalized formats */
324 case MESA_FORMAT_SIGNED_R8:
325 return PIPE_FORMAT_R8_SNORM;
326 case MESA_FORMAT_SIGNED_RG88_REV:
327 return PIPE_FORMAT_R8G8_SNORM;
328 case MESA_FORMAT_SIGNED_RGBA8888_REV:
329 return PIPE_FORMAT_R8G8B8A8_SNORM;
330
331 case MESA_FORMAT_SIGNED_A8:
332 return PIPE_FORMAT_A8_SNORM;
333 case MESA_FORMAT_SIGNED_L8:
334 return PIPE_FORMAT_L8_SNORM;
335 case MESA_FORMAT_SIGNED_AL88:
336 return PIPE_FORMAT_L8A8_SNORM;
337 case MESA_FORMAT_SIGNED_I8:
338 return PIPE_FORMAT_I8_SNORM;
339
340 case MESA_FORMAT_SIGNED_R16:
341 return PIPE_FORMAT_R16_SNORM;
342 case MESA_FORMAT_SIGNED_GR1616:
343 return PIPE_FORMAT_R16G16_SNORM;
344 case MESA_FORMAT_SIGNED_RGBA_16:
345 return PIPE_FORMAT_R16G16B16A16_SNORM;
346
347 case MESA_FORMAT_SIGNED_A16:
348 return PIPE_FORMAT_A16_SNORM;
349 case MESA_FORMAT_SIGNED_L16:
350 return PIPE_FORMAT_L16_SNORM;
351 case MESA_FORMAT_SIGNED_AL1616:
352 return PIPE_FORMAT_L16A16_SNORM;
353 case MESA_FORMAT_SIGNED_I16:
354 return PIPE_FORMAT_I16_SNORM;
355
356 case MESA_FORMAT_RGB9_E5_FLOAT:
357 return PIPE_FORMAT_R9G9B9E5_FLOAT;
358 case MESA_FORMAT_R11_G11_B10_FLOAT:
359 return PIPE_FORMAT_R11G11B10_FLOAT;
360 case MESA_FORMAT_ARGB2101010_UINT:
361 return PIPE_FORMAT_B10G10R10A2_UINT;
362
363 case MESA_FORMAT_XRGB4444_UNORM:
364 return PIPE_FORMAT_B4G4R4X4_UNORM;
365 case MESA_FORMAT_XRGB1555_UNORM:
366 return PIPE_FORMAT_B5G5R5X1_UNORM;
367 case MESA_FORMAT_XBGR8888_SNORM:
368 return PIPE_FORMAT_R8G8B8X8_SNORM;
369 case MESA_FORMAT_XBGR8888_SRGB:
370 return PIPE_FORMAT_R8G8B8X8_SRGB;
371 case MESA_FORMAT_XBGR8888_UINT:
372 return PIPE_FORMAT_R8G8B8X8_UINT;
373 case MESA_FORMAT_XBGR8888_SINT:
374 return PIPE_FORMAT_R8G8B8X8_SINT;
375 case MESA_FORMAT_XRGB2101010_UNORM:
376 return PIPE_FORMAT_B10G10R10X2_UNORM;
377 case MESA_FORMAT_XBGR16161616_UNORM:
378 return PIPE_FORMAT_R16G16B16X16_UNORM;
379 case MESA_FORMAT_XBGR16161616_SNORM:
380 return PIPE_FORMAT_R16G16B16X16_SNORM;
381 case MESA_FORMAT_XBGR16161616_FLOAT:
382 return PIPE_FORMAT_R16G16B16X16_FLOAT;
383 case MESA_FORMAT_XBGR16161616_UINT:
384 return PIPE_FORMAT_R16G16B16X16_UINT;
385 case MESA_FORMAT_XBGR16161616_SINT:
386 return PIPE_FORMAT_R16G16B16X16_SINT;
387 case MESA_FORMAT_XBGR32323232_FLOAT:
388 return PIPE_FORMAT_R32G32B32X32_FLOAT;
389 case MESA_FORMAT_XBGR32323232_UINT:
390 return PIPE_FORMAT_R32G32B32X32_UINT;
391 case MESA_FORMAT_XBGR32323232_SINT:
392 return PIPE_FORMAT_R32G32B32X32_SINT;
393
394 default:
395 return PIPE_FORMAT_NONE;
396 }
397 }
398
399
400 /**
401 * Translate Gallium format to Mesa format.
402 */
403 gl_format
404 st_pipe_format_to_mesa_format(enum pipe_format format)
405 {
406 switch (format) {
407 case PIPE_FORMAT_ABGR8888_UNORM:
408 return MESA_FORMAT_RGBA8888;
409 case PIPE_FORMAT_RGBA8888_UNORM:
410 return MESA_FORMAT_RGBA8888_REV;
411 case PIPE_FORMAT_BGRA8888_UNORM:
412 return MESA_FORMAT_ARGB8888;
413 case PIPE_FORMAT_ARGB8888_UNORM:
414 return MESA_FORMAT_ARGB8888_REV;
415 case PIPE_FORMAT_XBGR8888_UNORM:
416 return MESA_FORMAT_RGBX8888;
417 case PIPE_FORMAT_RGBX8888_UNORM:
418 return MESA_FORMAT_RGBX8888_REV;
419 case PIPE_FORMAT_BGRX8888_UNORM:
420 return MESA_FORMAT_XRGB8888;
421 case PIPE_FORMAT_XRGB8888_UNORM:
422 return MESA_FORMAT_XRGB8888_REV;
423 case PIPE_FORMAT_B5G5R5A1_UNORM:
424 return MESA_FORMAT_ARGB1555;
425 case PIPE_FORMAT_B4G4R4A4_UNORM:
426 return MESA_FORMAT_ARGB4444;
427 case PIPE_FORMAT_B5G6R5_UNORM:
428 return MESA_FORMAT_RGB565;
429 case PIPE_FORMAT_B2G3R3_UNORM:
430 return MESA_FORMAT_RGB332;
431 case PIPE_FORMAT_B10G10R10A2_UNORM:
432 return MESA_FORMAT_ARGB2101010;
433 case PIPE_FORMAT_L4A4_UNORM:
434 return MESA_FORMAT_AL44;
435 case PIPE_FORMAT_L8A8_UNORM:
436 return MESA_FORMAT_AL88;
437 case PIPE_FORMAT_L16A16_UNORM:
438 return MESA_FORMAT_AL1616;
439 case PIPE_FORMAT_A8_UNORM:
440 return MESA_FORMAT_A8;
441 case PIPE_FORMAT_A16_UNORM:
442 return MESA_FORMAT_A16;
443 case PIPE_FORMAT_L8_UNORM:
444 return MESA_FORMAT_L8;
445 case PIPE_FORMAT_L16_UNORM:
446 return MESA_FORMAT_L16;
447 case PIPE_FORMAT_I8_UNORM:
448 return MESA_FORMAT_I8;
449 case PIPE_FORMAT_I16_UNORM:
450 return MESA_FORMAT_I16;
451 case PIPE_FORMAT_S8_UINT:
452 return MESA_FORMAT_S8;
453
454 case PIPE_FORMAT_R16G16B16A16_UNORM:
455 return MESA_FORMAT_RGBA_16;
456
457 case PIPE_FORMAT_Z16_UNORM:
458 return MESA_FORMAT_Z16;
459 case PIPE_FORMAT_Z32_UNORM:
460 return MESA_FORMAT_Z32;
461 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
462 return MESA_FORMAT_Z24_S8;
463 case PIPE_FORMAT_X8Z24_UNORM:
464 return MESA_FORMAT_Z24_X8;
465 case PIPE_FORMAT_Z24X8_UNORM:
466 return MESA_FORMAT_X8_Z24;
467 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
468 return MESA_FORMAT_S8_Z24;
469 case PIPE_FORMAT_Z32_FLOAT:
470 return MESA_FORMAT_Z32_FLOAT;
471 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
472 return MESA_FORMAT_Z32_FLOAT_X24S8;
473
474 case PIPE_FORMAT_UYVY:
475 return MESA_FORMAT_YCBCR;
476 case PIPE_FORMAT_YUYV:
477 return MESA_FORMAT_YCBCR_REV;
478
479 case PIPE_FORMAT_DXT1_RGB:
480 return MESA_FORMAT_RGB_DXT1;
481 case PIPE_FORMAT_DXT1_RGBA:
482 return MESA_FORMAT_RGBA_DXT1;
483 case PIPE_FORMAT_DXT3_RGBA:
484 return MESA_FORMAT_RGBA_DXT3;
485 case PIPE_FORMAT_DXT5_RGBA:
486 return MESA_FORMAT_RGBA_DXT5;
487 case PIPE_FORMAT_DXT1_SRGB:
488 return MESA_FORMAT_SRGB_DXT1;
489 case PIPE_FORMAT_DXT1_SRGBA:
490 return MESA_FORMAT_SRGBA_DXT1;
491 case PIPE_FORMAT_DXT3_SRGBA:
492 return MESA_FORMAT_SRGBA_DXT3;
493 case PIPE_FORMAT_DXT5_SRGBA:
494 return MESA_FORMAT_SRGBA_DXT5;
495 case PIPE_FORMAT_L8A8_SRGB:
496 return MESA_FORMAT_SLA8;
497 case PIPE_FORMAT_L8_SRGB:
498 return MESA_FORMAT_SL8;
499 case PIPE_FORMAT_R8G8B8_SRGB:
500 return MESA_FORMAT_SRGB8;
501 case PIPE_FORMAT_A8B8G8R8_SRGB:
502 return MESA_FORMAT_SRGBA8;
503 case PIPE_FORMAT_B8G8R8A8_SRGB:
504 return MESA_FORMAT_SARGB8;
505 case PIPE_FORMAT_R32G32B32A32_FLOAT:
506 return MESA_FORMAT_RGBA_FLOAT32;
507 case PIPE_FORMAT_R16G16B16A16_FLOAT:
508 return MESA_FORMAT_RGBA_FLOAT16;
509 case PIPE_FORMAT_R32G32B32_FLOAT:
510 return MESA_FORMAT_RGB_FLOAT32;
511 case PIPE_FORMAT_R16G16B16_FLOAT:
512 return MESA_FORMAT_RGB_FLOAT16;
513 case PIPE_FORMAT_L32A32_FLOAT:
514 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
515 case PIPE_FORMAT_L16A16_FLOAT:
516 return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
517 case PIPE_FORMAT_L32_FLOAT:
518 return MESA_FORMAT_LUMINANCE_FLOAT32;
519 case PIPE_FORMAT_L16_FLOAT:
520 return MESA_FORMAT_LUMINANCE_FLOAT16;
521 case PIPE_FORMAT_A32_FLOAT:
522 return MESA_FORMAT_ALPHA_FLOAT32;
523 case PIPE_FORMAT_A16_FLOAT:
524 return MESA_FORMAT_ALPHA_FLOAT16;
525 case PIPE_FORMAT_I32_FLOAT:
526 return MESA_FORMAT_INTENSITY_FLOAT32;
527 case PIPE_FORMAT_I16_FLOAT:
528 return MESA_FORMAT_INTENSITY_FLOAT16;
529 case PIPE_FORMAT_R32_FLOAT:
530 return MESA_FORMAT_R_FLOAT32;
531 case PIPE_FORMAT_R16_FLOAT:
532 return MESA_FORMAT_R_FLOAT16;
533 case PIPE_FORMAT_R32G32_FLOAT:
534 return MESA_FORMAT_RG_FLOAT32;
535 case PIPE_FORMAT_R16G16_FLOAT:
536 return MESA_FORMAT_RG_FLOAT16;
537
538 case PIPE_FORMAT_R8_UNORM:
539 return MESA_FORMAT_R8;
540 case PIPE_FORMAT_R16_UNORM:
541 return MESA_FORMAT_R16;
542 case PIPE_FORMAT_R8G8_UNORM:
543 return MESA_FORMAT_GR88;
544 case PIPE_FORMAT_R16G16_UNORM:
545 return MESA_FORMAT_GR1616;
546
547 case PIPE_FORMAT_A8_UINT:
548 return MESA_FORMAT_ALPHA_UINT8;
549 case PIPE_FORMAT_A16_UINT:
550 return MESA_FORMAT_ALPHA_UINT16;
551 case PIPE_FORMAT_A32_UINT:
552 return MESA_FORMAT_ALPHA_UINT32;
553 case PIPE_FORMAT_A8_SINT:
554 return MESA_FORMAT_ALPHA_INT8;
555 case PIPE_FORMAT_A16_SINT:
556 return MESA_FORMAT_ALPHA_INT16;
557 case PIPE_FORMAT_A32_SINT:
558 return MESA_FORMAT_ALPHA_INT32;
559
560 case PIPE_FORMAT_I8_UINT:
561 return MESA_FORMAT_INTENSITY_UINT8;
562 case PIPE_FORMAT_I16_UINT:
563 return MESA_FORMAT_INTENSITY_UINT16;
564 case PIPE_FORMAT_I32_UINT:
565 return MESA_FORMAT_INTENSITY_UINT32;
566 case PIPE_FORMAT_I8_SINT:
567 return MESA_FORMAT_INTENSITY_INT8;
568 case PIPE_FORMAT_I16_SINT:
569 return MESA_FORMAT_INTENSITY_INT16;
570 case PIPE_FORMAT_I32_SINT:
571 return MESA_FORMAT_INTENSITY_INT32;
572
573 case PIPE_FORMAT_L8_UINT:
574 return MESA_FORMAT_LUMINANCE_UINT8;
575 case PIPE_FORMAT_L16_UINT:
576 return MESA_FORMAT_LUMINANCE_UINT16;
577 case PIPE_FORMAT_L32_UINT:
578 return MESA_FORMAT_LUMINANCE_UINT32;
579 case PIPE_FORMAT_L8_SINT:
580 return MESA_FORMAT_LUMINANCE_INT8;
581 case PIPE_FORMAT_L16_SINT:
582 return MESA_FORMAT_LUMINANCE_INT16;
583 case PIPE_FORMAT_L32_SINT:
584 return MESA_FORMAT_LUMINANCE_INT32;
585
586 case PIPE_FORMAT_L8A8_UINT:
587 return MESA_FORMAT_LUMINANCE_ALPHA_UINT8;
588 case PIPE_FORMAT_L16A16_UINT:
589 return MESA_FORMAT_LUMINANCE_ALPHA_UINT16;
590 case PIPE_FORMAT_L32A32_UINT:
591 return MESA_FORMAT_LUMINANCE_ALPHA_UINT32;
592 case PIPE_FORMAT_L8A8_SINT:
593 return MESA_FORMAT_LUMINANCE_ALPHA_INT8;
594 case PIPE_FORMAT_L16A16_SINT:
595 return MESA_FORMAT_LUMINANCE_ALPHA_INT16;
596 case PIPE_FORMAT_L32A32_SINT:
597 return MESA_FORMAT_LUMINANCE_ALPHA_INT32;
598
599 case PIPE_FORMAT_R8_SINT:
600 return MESA_FORMAT_R_INT8;
601 case PIPE_FORMAT_R8G8_SINT:
602 return MESA_FORMAT_RG_INT8;
603 case PIPE_FORMAT_R8G8B8_SINT:
604 return MESA_FORMAT_RGB_INT8;
605 case PIPE_FORMAT_R8G8B8A8_SINT:
606 return MESA_FORMAT_RGBA_INT8;
607
608 case PIPE_FORMAT_R16_SINT:
609 return MESA_FORMAT_R_INT16;
610 case PIPE_FORMAT_R16G16_SINT:
611 return MESA_FORMAT_RG_INT16;
612 case PIPE_FORMAT_R16G16B16_SINT:
613 return MESA_FORMAT_RGB_INT16;
614 case PIPE_FORMAT_R16G16B16A16_SINT:
615 return MESA_FORMAT_RGBA_INT16;
616
617 case PIPE_FORMAT_R32_SINT:
618 return MESA_FORMAT_R_INT32;
619 case PIPE_FORMAT_R32G32_SINT:
620 return MESA_FORMAT_RG_INT32;
621 case PIPE_FORMAT_R32G32B32_SINT:
622 return MESA_FORMAT_RGB_INT32;
623 case PIPE_FORMAT_R32G32B32A32_SINT:
624 return MESA_FORMAT_RGBA_INT32;
625
626 /* unsigned int formats */
627 case PIPE_FORMAT_R8_UINT:
628 return MESA_FORMAT_R_UINT8;
629 case PIPE_FORMAT_R8G8_UINT:
630 return MESA_FORMAT_RG_UINT8;
631 case PIPE_FORMAT_R8G8B8_UINT:
632 return MESA_FORMAT_RGB_UINT8;
633 case PIPE_FORMAT_R8G8B8A8_UINT:
634 return MESA_FORMAT_RGBA_UINT8;
635
636 case PIPE_FORMAT_R16_UINT:
637 return MESA_FORMAT_R_UINT16;
638 case PIPE_FORMAT_R16G16_UINT:
639 return MESA_FORMAT_RG_UINT16;
640 case PIPE_FORMAT_R16G16B16_UINT:
641 return MESA_FORMAT_RGB_UINT16;
642 case PIPE_FORMAT_R16G16B16A16_UINT:
643 return MESA_FORMAT_RGBA_UINT16;
644
645 case PIPE_FORMAT_R32_UINT:
646 return MESA_FORMAT_R_UINT32;
647 case PIPE_FORMAT_R32G32_UINT:
648 return MESA_FORMAT_RG_UINT32;
649 case PIPE_FORMAT_R32G32B32_UINT:
650 return MESA_FORMAT_RGB_UINT32;
651 case PIPE_FORMAT_R32G32B32A32_UINT:
652 return MESA_FORMAT_RGBA_UINT32;
653
654 case PIPE_FORMAT_RGTC1_UNORM:
655 return MESA_FORMAT_RED_RGTC1;
656 case PIPE_FORMAT_RGTC1_SNORM:
657 return MESA_FORMAT_SIGNED_RED_RGTC1;
658 case PIPE_FORMAT_RGTC2_UNORM:
659 return MESA_FORMAT_RG_RGTC2;
660 case PIPE_FORMAT_RGTC2_SNORM:
661 return MESA_FORMAT_SIGNED_RG_RGTC2;
662
663 case PIPE_FORMAT_LATC1_UNORM:
664 return MESA_FORMAT_L_LATC1;
665 case PIPE_FORMAT_LATC1_SNORM:
666 return MESA_FORMAT_SIGNED_L_LATC1;
667 case PIPE_FORMAT_LATC2_UNORM:
668 return MESA_FORMAT_LA_LATC2;
669 case PIPE_FORMAT_LATC2_SNORM:
670 return MESA_FORMAT_SIGNED_LA_LATC2;
671
672 case PIPE_FORMAT_ETC1_RGB8:
673 return MESA_FORMAT_ETC1_RGB8;
674
675 /* signed normalized formats */
676 case PIPE_FORMAT_R8_SNORM:
677 return MESA_FORMAT_SIGNED_R8;
678 case PIPE_FORMAT_R8G8_SNORM:
679 return MESA_FORMAT_SIGNED_RG88_REV;
680 case PIPE_FORMAT_R8G8B8A8_SNORM:
681 return MESA_FORMAT_SIGNED_RGBA8888_REV;
682
683 case PIPE_FORMAT_A8_SNORM:
684 return MESA_FORMAT_SIGNED_A8;
685 case PIPE_FORMAT_L8_SNORM:
686 return MESA_FORMAT_SIGNED_L8;
687 case PIPE_FORMAT_L8A8_SNORM:
688 return MESA_FORMAT_SIGNED_AL88;
689 case PIPE_FORMAT_I8_SNORM:
690 return MESA_FORMAT_SIGNED_I8;
691
692 case PIPE_FORMAT_R16_SNORM:
693 return MESA_FORMAT_SIGNED_R16;
694 case PIPE_FORMAT_R16G16_SNORM:
695 return MESA_FORMAT_SIGNED_GR1616;
696 case PIPE_FORMAT_R16G16B16A16_SNORM:
697 return MESA_FORMAT_SIGNED_RGBA_16;
698
699 case PIPE_FORMAT_A16_SNORM:
700 return MESA_FORMAT_SIGNED_A16;
701 case PIPE_FORMAT_L16_SNORM:
702 return MESA_FORMAT_SIGNED_L16;
703 case PIPE_FORMAT_L16A16_SNORM:
704 return MESA_FORMAT_SIGNED_AL1616;
705 case PIPE_FORMAT_I16_SNORM:
706 return MESA_FORMAT_SIGNED_I16;
707
708 case PIPE_FORMAT_R9G9B9E5_FLOAT:
709 return MESA_FORMAT_RGB9_E5_FLOAT;
710 case PIPE_FORMAT_R11G11B10_FLOAT:
711 return MESA_FORMAT_R11_G11_B10_FLOAT;
712
713 case PIPE_FORMAT_B10G10R10A2_UINT:
714 return MESA_FORMAT_ARGB2101010_UINT;
715
716 case PIPE_FORMAT_B4G4R4X4_UNORM:
717 return MESA_FORMAT_XRGB4444_UNORM;
718 case PIPE_FORMAT_B5G5R5X1_UNORM:
719 return MESA_FORMAT_XRGB1555_UNORM;
720 case PIPE_FORMAT_R8G8B8X8_SNORM:
721 return MESA_FORMAT_XBGR8888_SNORM;
722 case PIPE_FORMAT_R8G8B8X8_SRGB:
723 return MESA_FORMAT_XBGR8888_SRGB;
724 case PIPE_FORMAT_R8G8B8X8_UINT:
725 return MESA_FORMAT_XBGR8888_UINT;
726 case PIPE_FORMAT_R8G8B8X8_SINT:
727 return MESA_FORMAT_XBGR8888_SINT;
728 case PIPE_FORMAT_B10G10R10X2_UNORM:
729 return MESA_FORMAT_XRGB2101010_UNORM;
730 case PIPE_FORMAT_R16G16B16X16_UNORM:
731 return MESA_FORMAT_XBGR16161616_UNORM;
732 case PIPE_FORMAT_R16G16B16X16_SNORM:
733 return MESA_FORMAT_XBGR16161616_SNORM;
734 case PIPE_FORMAT_R16G16B16X16_FLOAT:
735 return MESA_FORMAT_XBGR16161616_FLOAT;
736 case PIPE_FORMAT_R16G16B16X16_UINT:
737 return MESA_FORMAT_XBGR16161616_UINT;
738 case PIPE_FORMAT_R16G16B16X16_SINT:
739 return MESA_FORMAT_XBGR16161616_SINT;
740 case PIPE_FORMAT_R32G32B32X32_FLOAT:
741 return MESA_FORMAT_XBGR32323232_FLOAT;
742 case PIPE_FORMAT_R32G32B32X32_UINT:
743 return MESA_FORMAT_XBGR32323232_UINT;
744 case PIPE_FORMAT_R32G32B32X32_SINT:
745 return MESA_FORMAT_XBGR32323232_SINT;
746
747 default:
748 assert(0);
749 return MESA_FORMAT_NONE;
750 }
751 }
752
753
754 /**
755 * Map GL texture formats to Gallium pipe formats.
756 */
757 struct format_mapping
758 {
759 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
760 enum pipe_format pipeFormats[13]; /**< list of pipe formats, 0-terminated */
761 };
762
763
764 #define DEFAULT_RGBA_FORMATS \
765 PIPE_FORMAT_B8G8R8A8_UNORM, \
766 PIPE_FORMAT_R8G8B8A8_UNORM, \
767 PIPE_FORMAT_A8R8G8B8_UNORM, \
768 PIPE_FORMAT_A8B8G8R8_UNORM, \
769 0
770
771 #define DEFAULT_RGB_FORMATS \
772 PIPE_FORMAT_B8G8R8X8_UNORM, \
773 PIPE_FORMAT_R8G8B8X8_UNORM, \
774 PIPE_FORMAT_X8R8G8B8_UNORM, \
775 PIPE_FORMAT_X8B8G8R8_UNORM, \
776 PIPE_FORMAT_B5G6R5_UNORM, \
777 DEFAULT_RGBA_FORMATS
778
779 #define DEFAULT_SRGBA_FORMATS \
780 PIPE_FORMAT_B8G8R8A8_SRGB, \
781 PIPE_FORMAT_A8R8G8B8_SRGB, \
782 PIPE_FORMAT_A8B8G8R8_SRGB, \
783 0
784
785 #define DEFAULT_DEPTH_FORMATS \
786 PIPE_FORMAT_Z24X8_UNORM, \
787 PIPE_FORMAT_X8Z24_UNORM, \
788 PIPE_FORMAT_Z16_UNORM, \
789 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
790 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
791 0
792
793 #define DEFAULT_SNORM8_RGBA_FORMATS \
794 PIPE_FORMAT_R8G8B8A8_SNORM, \
795 0
796
797 #define DEFAULT_UNORM16_RGBA_FORMATS \
798 PIPE_FORMAT_R16G16B16A16_UNORM, \
799 DEFAULT_RGBA_FORMATS
800
801
802 /**
803 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
804 * Multiple GL enums might map to multiple pipe_formats.
805 * The first pipe format in the list that's supported is the one that's chosen.
806 */
807 static const struct format_mapping format_map[] = {
808 /* Basic RGB, RGBA formats */
809 {
810 { GL_RGB10, 0 },
811 { PIPE_FORMAT_B10G10R10X2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
812 DEFAULT_RGB_FORMATS }
813 },
814 {
815 { GL_RGB10_A2, 0 },
816 { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
817 },
818 {
819 { 4, GL_RGBA, GL_RGBA8, 0 },
820 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
821 },
822 {
823 { GL_BGRA, 0 },
824 { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
825 },
826 {
827 { 3, GL_RGB, GL_RGB8, 0 },
828 { DEFAULT_RGB_FORMATS }
829 },
830 {
831 { GL_RGB12, GL_RGB16, 0 },
832 { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
833 DEFAULT_RGB_FORMATS }
834 },
835 {
836 { GL_RGBA12, GL_RGBA16, 0 },
837 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
838 },
839 {
840 { GL_RGBA4, GL_RGBA2, 0 },
841 { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
842 },
843 {
844 { GL_RGB5_A1, 0 },
845 { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
846 },
847 {
848 { GL_R3_G3_B2, 0 },
849 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
850 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
851 },
852 {
853 { GL_RGB4 },
854 { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
855 DEFAULT_RGB_FORMATS }
856 },
857 {
858 { GL_RGB5 },
859 { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
860 DEFAULT_RGB_FORMATS }
861 },
862 {
863 { GL_RGB565 },
864 { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
865 },
866
867 /* basic Alpha formats */
868 {
869 { GL_ALPHA12, GL_ALPHA16, 0 },
870 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
871 DEFAULT_RGBA_FORMATS }
872 },
873 {
874 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
875 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
876 },
877
878 /* basic Luminance formats */
879 {
880 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
881 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
882 },
883 {
884 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
885 { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
886 },
887
888 /* basic Luminance/Alpha formats */
889 {
890 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
891 GL_LUMINANCE16_ALPHA16, 0},
892 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
893 DEFAULT_RGBA_FORMATS }
894 },
895 {
896 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
897 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
898 },
899 {
900 { GL_LUMINANCE4_ALPHA4, 0 },
901 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
902 DEFAULT_RGBA_FORMATS }
903 },
904
905 /* basic Intensity formats */
906 {
907 { GL_INTENSITY12, GL_INTENSITY16, 0 },
908 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
909 },
910 {
911 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
912 GL_COMPRESSED_INTENSITY, 0 },
913 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
914 },
915
916 /* YCbCr */
917 {
918 { GL_YCBCR_MESA, 0 },
919 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
920 },
921
922 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
923 {
924 { GL_COMPRESSED_RGB, 0 },
925 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
926 },
927 {
928 { GL_COMPRESSED_RGBA, 0 },
929 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
930 },
931 {
932 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
933 { PIPE_FORMAT_DXT1_RGB, 0 }
934 },
935 {
936 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
937 { PIPE_FORMAT_DXT1_RGBA, 0 }
938 },
939 {
940 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
941 { PIPE_FORMAT_DXT3_RGBA, 0 }
942 },
943 {
944 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
945 { PIPE_FORMAT_DXT5_RGBA, 0 }
946 },
947
948 #if 0
949 {
950 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
951 { PIPE_FORMAT_RGB_FXT1, 0 }
952 },
953 {
954 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
955 { PIPE_FORMAT_RGBA_FXT1, 0 }
956 },
957 #endif
958
959 /* Depth formats */
960 {
961 { GL_DEPTH_COMPONENT16, 0 },
962 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
963 },
964 {
965 { GL_DEPTH_COMPONENT24, 0 },
966 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
967 DEFAULT_DEPTH_FORMATS }
968 },
969 {
970 { GL_DEPTH_COMPONENT32, 0 },
971 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
972 },
973 {
974 { GL_DEPTH_COMPONENT, 0 },
975 { DEFAULT_DEPTH_FORMATS }
976 },
977 {
978 { GL_DEPTH_COMPONENT32F, 0 },
979 { PIPE_FORMAT_Z32_FLOAT, 0 }
980 },
981
982 /* stencil formats */
983 {
984 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
985 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
986 {
987 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
988 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
989 }
990 },
991
992 /* Depth / Stencil formats */
993 {
994 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
995 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
996 },
997 {
998 { GL_DEPTH32F_STENCIL8, 0 },
999 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1000 },
1001
1002 /* sRGB formats */
1003 {
1004 { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
1005 { PIPE_FORMAT_R8G8B8X8_SRGB, DEFAULT_SRGBA_FORMATS }
1006 },
1007 {
1008 { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1009 { DEFAULT_SRGBA_FORMATS }
1010 },
1011 {
1012 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1013 { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
1014 DEFAULT_SRGBA_FORMATS }
1015 },
1016 {
1017 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1018 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1019 },
1020 {
1021 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1022 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1023 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1024 },
1025 {
1026 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1027 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1028 },
1029 {
1030 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1031 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1032 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1033 },
1034 {
1035 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
1036 0 },
1037 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1038 },
1039
1040 /* 16-bit float formats */
1041 {
1042 { GL_RGBA16F_ARB, 0 },
1043 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1044 },
1045 {
1046 { GL_RGB16F_ARB, 0 },
1047 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
1048 PIPE_FORMAT_R16G16B16A16_FLOAT,
1049 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1050 },
1051 {
1052 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1053 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1054 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1055 },
1056 {
1057 { GL_ALPHA16F_ARB, 0 },
1058 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1059 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1060 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1061 },
1062 {
1063 { GL_INTENSITY16F_ARB, 0 },
1064 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1065 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1066 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1067 },
1068 {
1069 { GL_LUMINANCE16F_ARB, 0 },
1070 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1071 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1072 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1073 },
1074 {
1075 { GL_R16F, 0 },
1076 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1077 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1078 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1079 },
1080 {
1081 { GL_RG16F, 0 },
1082 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1083 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1084 },
1085
1086 /* 32-bit float formats */
1087 {
1088 { GL_RGBA32F_ARB, 0 },
1089 { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1090 },
1091 {
1092 { GL_RGB32F_ARB, 0 },
1093 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
1094 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1095 },
1096 {
1097 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1098 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1099 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1100 },
1101 {
1102 { GL_ALPHA32F_ARB, 0 },
1103 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1104 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
1105 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1106 },
1107 {
1108 { GL_INTENSITY32F_ARB, 0 },
1109 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1110 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
1111 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1112 },
1113 {
1114 { GL_LUMINANCE32F_ARB, 0 },
1115 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1116 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
1117 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1118 },
1119 {
1120 { GL_R32F, 0 },
1121 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1122 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
1123 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1124 },
1125 {
1126 { GL_RG32F, 0 },
1127 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1128 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1129 },
1130
1131 /* R, RG formats */
1132 {
1133 { GL_RED, GL_R8, 0 },
1134 { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1135 },
1136 {
1137 { GL_RG, GL_RG8, 0 },
1138 { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1139 },
1140 {
1141 { GL_R16, 0 },
1142 { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
1143 DEFAULT_UNORM16_RGBA_FORMATS }
1144 },
1145 {
1146 { GL_RG16, 0 },
1147 { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
1148 },
1149
1150 /* compressed R, RG formats */
1151 {
1152 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1153 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
1154 },
1155 {
1156 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1157 { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1158 },
1159 {
1160 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1161 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1162 },
1163 {
1164 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1165 { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1166 },
1167 {
1168 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1169 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
1170 },
1171 {
1172 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1173 { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1174 },
1175 {
1176 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1177 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1178 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1179 },
1180 {
1181 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1182 { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1183 },
1184
1185 /* ETC1 */
1186 {
1187 { GL_ETC1_RGB8_OES, 0 },
1188 { PIPE_FORMAT_ETC1_RGB8, 0 }
1189 },
1190
1191 /* signed/unsigned integer formats.
1192 */
1193 {
1194 { GL_RGBA_INTEGER_EXT,
1195 GL_BGRA_INTEGER_EXT,
1196 GL_RGBA8I_EXT, 0 },
1197 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1198 },
1199 {
1200 { GL_RGB_INTEGER_EXT,
1201 GL_BGR_INTEGER_EXT,
1202 GL_RGB8I_EXT,
1203 GL_BLUE_INTEGER_EXT, 0 },
1204 { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
1205 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1206 },
1207 {
1208 { GL_ALPHA_INTEGER_EXT,
1209 GL_ALPHA8I_EXT, 0 },
1210 { PIPE_FORMAT_A8_SINT, 0 }
1211 },
1212 {
1213 { GL_ALPHA16I_EXT, 0 },
1214 { PIPE_FORMAT_A16_SINT, 0 }
1215 },
1216 {
1217 { GL_ALPHA32I_EXT, 0 },
1218 { PIPE_FORMAT_A32_SINT, 0 }
1219 },
1220 {
1221 { GL_ALPHA8UI_EXT, 0 },
1222 { PIPE_FORMAT_A8_UINT, 0 }
1223 },
1224 {
1225 { GL_ALPHA16UI_EXT, 0 },
1226 { PIPE_FORMAT_A16_UINT, 0 }
1227 },
1228 {
1229 { GL_ALPHA32UI_EXT, 0 },
1230 { PIPE_FORMAT_A32_UINT, 0 }
1231 },
1232 {
1233 { GL_INTENSITY8I_EXT, 0 },
1234 { PIPE_FORMAT_I8_SINT, 0 }
1235 },
1236 {
1237 { GL_INTENSITY16I_EXT, 0 },
1238 { PIPE_FORMAT_I16_SINT, 0 }
1239 },
1240 {
1241 { GL_INTENSITY32I_EXT, 0 },
1242 { PIPE_FORMAT_I32_SINT, 0 }
1243 },
1244 {
1245 { GL_INTENSITY8UI_EXT, 0 },
1246 { PIPE_FORMAT_I8_UINT, 0 }
1247 },
1248 {
1249 { GL_INTENSITY16UI_EXT, 0 },
1250 { PIPE_FORMAT_I16_UINT, 0 }
1251 },
1252 {
1253 { GL_INTENSITY32UI_EXT, 0 },
1254 { PIPE_FORMAT_I32_UINT, 0 }
1255 },
1256 {
1257 { GL_LUMINANCE8I_EXT, 0 },
1258 { PIPE_FORMAT_L8_SINT, 0 }
1259 },
1260 {
1261 { GL_LUMINANCE16I_EXT, 0 },
1262 { PIPE_FORMAT_L16_SINT, 0 }
1263 },
1264 {
1265 { GL_LUMINANCE32I_EXT, 0 },
1266 { PIPE_FORMAT_L32_SINT, 0 }
1267 },
1268 {
1269 { GL_LUMINANCE_INTEGER_EXT,
1270 GL_LUMINANCE8UI_EXT, 0 },
1271 { PIPE_FORMAT_L8_UINT, 0 }
1272 },
1273 {
1274 { GL_LUMINANCE16UI_EXT, 0 },
1275 { PIPE_FORMAT_L16_UINT, 0 }
1276 },
1277 {
1278 { GL_LUMINANCE32UI_EXT, 0 },
1279 { PIPE_FORMAT_L32_UINT, 0 }
1280 },
1281 {
1282 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1283 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1284 { PIPE_FORMAT_L8A8_SINT, 0 }
1285 },
1286 {
1287 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1288 { PIPE_FORMAT_L16A16_SINT, 0 }
1289 },
1290 {
1291 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1292 { PIPE_FORMAT_L32A32_SINT, 0 }
1293 },
1294 {
1295 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1296 { PIPE_FORMAT_L8A8_UINT, 0 }
1297 },
1298 {
1299 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1300 { PIPE_FORMAT_L16A16_UINT, 0 }
1301 },
1302 {
1303 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1304 { PIPE_FORMAT_L32A32_UINT, 0 }
1305 },
1306 {
1307 { GL_RGB16I_EXT, 0 },
1308 { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
1309 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1310 },
1311 {
1312 { GL_RGBA16I_EXT, 0 },
1313 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1314 },
1315 {
1316 { GL_RGB32I_EXT, 0 },
1317 { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
1318 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1319 },
1320 {
1321 { GL_RGBA32I_EXT, 0 },
1322 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1323 },
1324 {
1325 { GL_RGBA8UI_EXT, 0 },
1326 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1327 },
1328 {
1329 { GL_RGB8UI_EXT, 0 },
1330 { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
1331 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1332 },
1333 {
1334 { GL_RGB16UI_EXT, 0 },
1335 { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
1336 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1337 },
1338 {
1339 { GL_RGBA16UI_EXT, 0 },
1340 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1341 },
1342 {
1343 { GL_RGB32UI_EXT, 0},
1344 { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
1345 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1346 },
1347 {
1348 { GL_RGBA32UI_EXT, 0},
1349 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1350 },
1351 {
1352 { GL_R8I, GL_RED_INTEGER_EXT, 0},
1353 { PIPE_FORMAT_R8_SINT, 0},
1354 },
1355 {
1356 { GL_R16I, 0},
1357 { PIPE_FORMAT_R16_SINT, 0},
1358 },
1359 {
1360 { GL_R32I, 0},
1361 { PIPE_FORMAT_R32_SINT, 0},
1362 },
1363 {
1364 { GL_R8UI, 0},
1365 { PIPE_FORMAT_R8_UINT, 0},
1366 },
1367 {
1368 { GL_R16UI, 0},
1369 { PIPE_FORMAT_R16_UINT, 0},
1370 },
1371 {
1372 { GL_R32UI, 0},
1373 { PIPE_FORMAT_R32_UINT, 0},
1374 },
1375 {
1376 { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
1377 { PIPE_FORMAT_R8G8_SINT, 0},
1378 },
1379 {
1380 { GL_RG16I, 0},
1381 { PIPE_FORMAT_R16G16_SINT, 0},
1382 },
1383 {
1384 { GL_RG32I, 0},
1385 { PIPE_FORMAT_R32G32_SINT, 0},
1386 },
1387 {
1388 { GL_RG8UI, 0},
1389 { PIPE_FORMAT_R8G8_UINT, 0},
1390 },
1391 {
1392 { GL_RG16UI, 0},
1393 { PIPE_FORMAT_R16G16_UINT, 0},
1394 },
1395 {
1396 { GL_RG32UI, 0},
1397 { PIPE_FORMAT_R32G32_UINT, 0},
1398 },
1399 /* signed normalized formats */
1400 {
1401 { GL_RED_SNORM, GL_R8_SNORM, 0 },
1402 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
1403 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1404 },
1405 {
1406 { GL_R16_SNORM, 0 },
1407 { PIPE_FORMAT_R16_SNORM,
1408 PIPE_FORMAT_R16G16_SNORM,
1409 PIPE_FORMAT_R16G16B16A16_SNORM,
1410 PIPE_FORMAT_R8_SNORM,
1411 PIPE_FORMAT_R8G8_SNORM,
1412 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1413 },
1414 {
1415 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
1416 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1417 },
1418 {
1419 { GL_RG16_SNORM, 0 },
1420 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1421 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1422 },
1423 {
1424 { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
1425 { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1426 },
1427 {
1428 { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
1429 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1430 },
1431 {
1432 { GL_RGB16_SNORM, 0 },
1433 { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1434 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1435 },
1436 {
1437 { GL_RGBA16_SNORM, 0 },
1438 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1439 },
1440 {
1441 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
1442 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1443 },
1444 {
1445 { GL_ALPHA16_SNORM, 0 },
1446 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1447 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1448 },
1449 {
1450 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
1451 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1452 },
1453 {
1454 { GL_LUMINANCE16_SNORM, 0 },
1455 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1456 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1457 },
1458 {
1459 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
1460 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1461 },
1462 {
1463 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
1464 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1465 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1466 },
1467 {
1468 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
1469 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1470 },
1471 {
1472 { GL_INTENSITY16_SNORM, 0 },
1473 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1474 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1475 },
1476 {
1477 { GL_RGB9_E5, 0 },
1478 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
1479 },
1480 {
1481 { GL_R11F_G11F_B10F, 0 },
1482 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
1483 },
1484 {
1485 { GL_RGB10_A2UI, 0 },
1486 { PIPE_FORMAT_B10G10R10A2_UINT, 0 }
1487 },
1488 };
1489
1490
1491 /**
1492 * Return first supported format from the given list.
1493 * \param allow_dxt indicates whether it's OK to return a DXT format.
1494 */
1495 static enum pipe_format
1496 find_supported_format(struct pipe_screen *screen,
1497 const enum pipe_format formats[],
1498 enum pipe_texture_target target,
1499 unsigned sample_count,
1500 unsigned tex_usage,
1501 boolean allow_dxt)
1502 {
1503 uint i;
1504 for (i = 0; formats[i]; i++) {
1505 if (screen->is_format_supported(screen, formats[i], target,
1506 sample_count, tex_usage)) {
1507 if (!allow_dxt && util_format_is_s3tc(formats[i])) {
1508 /* we can't return a dxt format, continue searching */
1509 continue;
1510 }
1511
1512 return formats[i];
1513 }
1514 }
1515 return PIPE_FORMAT_NONE;
1516 }
1517
1518 struct exact_format_mapping
1519 {
1520 GLenum format;
1521 GLenum type;
1522 enum pipe_format pformat;
1523 };
1524
1525 static const struct exact_format_mapping rgba8888_tbl[] =
1526 {
1527 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ABGR8888_UNORM },
1528 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_ABGR8888_UNORM },
1529 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBA8888_UNORM },
1530 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBA8888_UNORM },
1531 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ARGB8888_UNORM },
1532 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRA8888_UNORM },
1533 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
1534 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
1535 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
1536 { 0, 0, 0 }
1537 };
1538
1539 static const struct exact_format_mapping rgbx8888_tbl[] =
1540 {
1541 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XBGR8888_UNORM },
1542 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_XBGR8888_UNORM },
1543 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBX8888_UNORM },
1544 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBX8888_UNORM },
1545 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XRGB8888_UNORM },
1546 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRX8888_UNORM },
1547 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1548 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1549 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
1550 { 0, 0, 0 }
1551 };
1552
1553 static const struct exact_format_mapping rgba1010102_tbl[] =
1554 {
1555 { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
1556 /* No Mesa formats for these Gallium formats:
1557 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1558 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1559 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1560 */
1561 { 0, 0, 0 }
1562 };
1563
1564 /**
1565 * If there is an exact pipe_format match for {internalFormat, format, type}
1566 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1567 */
1568 static enum pipe_format
1569 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
1570 {
1571 uint i;
1572 const struct exact_format_mapping* tbl;
1573
1574 if (format == GL_NONE || type == GL_NONE)
1575 return PIPE_FORMAT_NONE;
1576
1577 switch (internalFormat) {
1578 case 4:
1579 case GL_RGBA:
1580 case GL_RGBA8:
1581 tbl = rgba8888_tbl;
1582 break;
1583 case 3:
1584 case GL_RGB:
1585 case GL_RGB8:
1586 tbl = rgbx8888_tbl;
1587 break;
1588 case GL_RGB10_A2:
1589 tbl = rgba1010102_tbl;
1590 break;
1591 default:
1592 return PIPE_FORMAT_NONE;
1593 }
1594
1595 for (i = 0; tbl[i].format; i++)
1596 if (tbl[i].format == format && tbl[i].type == type)
1597 return tbl[i].pformat;
1598
1599 return PIPE_FORMAT_NONE;
1600 }
1601
1602 /**
1603 * Given an OpenGL internalFormat value for a texture or surface, return
1604 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1605 * This is called during glTexImage2D, for example.
1606 *
1607 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1608 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1609 * we want render-to-texture ability.
1610 *
1611 * \param internalFormat the user value passed to glTexImage2D
1612 * \param target one of PIPE_TEXTURE_x
1613 * \param bindings bitmask of PIPE_BIND_x flags.
1614 * \param allow_dxt indicates whether it's OK to return a DXT format. This
1615 * only matters when internalFormat names a generic or
1616 * specific compressed format. And that should only happen
1617 * when we're getting called from gl[Copy]TexImage().
1618 */
1619 enum pipe_format
1620 st_choose_format(struct st_context *st, GLenum internalFormat,
1621 GLenum format, GLenum type,
1622 enum pipe_texture_target target, unsigned sample_count,
1623 unsigned bindings, boolean allow_dxt)
1624 {
1625 struct pipe_screen *screen = st->pipe->screen;
1626 int i, j;
1627 enum pipe_format pf;
1628
1629 /* can't render to compressed formats at this time */
1630 if (_mesa_is_compressed_format(st->ctx, internalFormat)
1631 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
1632 return PIPE_FORMAT_NONE;
1633 }
1634
1635 /* search for exact matches */
1636 pf = find_exact_format(internalFormat, format, type);
1637 if (pf != PIPE_FORMAT_NONE &&
1638 screen->is_format_supported(screen, pf,
1639 target, sample_count, bindings))
1640 return pf;
1641
1642 /* search table for internalFormat */
1643 for (i = 0; i < Elements(format_map); i++) {
1644 const struct format_mapping *mapping = &format_map[i];
1645 for (j = 0; mapping->glFormats[j]; j++) {
1646 if (mapping->glFormats[j] == internalFormat) {
1647 /* Found the desired internal format. Find first pipe format
1648 * which is supported by the driver.
1649 */
1650 return find_supported_format(screen, mapping->pipeFormats,
1651 target, sample_count, bindings,
1652 allow_dxt);
1653 }
1654 }
1655 }
1656
1657 _mesa_problem(NULL, "unhandled format!\n");
1658 return PIPE_FORMAT_NONE;
1659 }
1660
1661
1662 /**
1663 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1664 */
1665 enum pipe_format
1666 st_choose_renderbuffer_format(struct st_context *st,
1667 GLenum internalFormat, unsigned sample_count)
1668 {
1669 uint usage;
1670 if (_mesa_is_depth_or_stencil_format(internalFormat))
1671 usage = PIPE_BIND_DEPTH_STENCIL;
1672 else
1673 usage = PIPE_BIND_RENDER_TARGET;
1674 return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1675 PIPE_TEXTURE_2D, sample_count, usage, FALSE);
1676 }
1677
1678
1679 /**
1680 * Given an OpenGL user-requested format and type, and swapBytes state,
1681 * return the format which exactly matches those parameters, so that
1682 * a memcpy-based transfer can be done.
1683 *
1684 * If no format is supported, return PIPE_FORMAT_NONE.
1685 */
1686 enum pipe_format
1687 st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
1688 GLenum format, GLenum type, GLboolean swapBytes)
1689 {
1690 gl_format mesa_format;
1691
1692 for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
1693 if (_mesa_get_format_color_encoding(mesa_format) == GL_SRGB) {
1694 continue;
1695 }
1696
1697 if (_mesa_format_matches_format_and_type(mesa_format, format, type,
1698 swapBytes)) {
1699 enum pipe_format format = st_mesa_format_to_pipe_format(mesa_format);
1700
1701 if (format &&
1702 screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0,
1703 bind)) {
1704 return format;
1705 }
1706 /* It's unlikely to find 2 matching Mesa formats. */
1707 break;
1708 }
1709 }
1710 return PIPE_FORMAT_NONE;
1711 }
1712
1713
1714 /**
1715 * Called via ctx->Driver.ChooseTextureFormat().
1716 */
1717 gl_format
1718 st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
1719 GLint internalFormat,
1720 GLenum format, GLenum type)
1721 {
1722 const boolean want_renderable =
1723 internalFormat == 3 || internalFormat == 4 ||
1724 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
1725 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
1726 internalFormat == GL_BGRA;
1727 struct st_context *st = st_context(ctx);
1728 enum pipe_format pFormat;
1729 unsigned bindings;
1730 enum pipe_texture_target pTarget = gl_target_to_pipe(target);
1731
1732 if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
1733 /* We don't do compression for these texture targets because of
1734 * difficulty with sub-texture updates on non-block boundaries, etc.
1735 * So change the internal format request to an uncompressed format.
1736 */
1737 internalFormat =
1738 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
1739 }
1740
1741 /* GL textures may wind up being render targets, but we don't know
1742 * that in advance. Specify potential render target flags now.
1743 */
1744 bindings = PIPE_BIND_SAMPLER_VIEW;
1745 if (want_renderable) {
1746 if (_mesa_is_depth_or_stencil_format(internalFormat))
1747 bindings |= PIPE_BIND_DEPTH_STENCIL;
1748 else
1749 bindings |= PIPE_BIND_RENDER_TARGET;
1750 }
1751
1752 /* GLES allows the driver to choose any format which matches
1753 * the format+type combo, because GLES only supports unsized internal
1754 * formats and expects the driver to choose whatever suits it.
1755 */
1756 if (_mesa_is_gles(ctx)) {
1757 GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
1758 GLenum basePackFormat = _mesa_base_pack_format(format);
1759 GLenum iformat = internalFormat;
1760
1761 /* Treat GL_BGRA as GL_RGBA. */
1762 if (iformat == GL_BGRA)
1763 iformat = GL_RGBA;
1764
1765 /* Check if the internalformat is unsized and compatible
1766 * with the "format".
1767 */
1768 if (iformat == baseFormat && iformat == basePackFormat) {
1769 pFormat = st_choose_matching_format(st->pipe->screen, bindings,
1770 format, type,
1771 ctx->Unpack.SwapBytes);
1772
1773 if (pFormat != PIPE_FORMAT_NONE)
1774 return st_pipe_format_to_mesa_format(pFormat);
1775
1776 /* try choosing format again, this time without render target bindings */
1777 pFormat = st_choose_matching_format(st->pipe->screen,
1778 PIPE_BIND_SAMPLER_VIEW,
1779 format, type,
1780 ctx->Unpack.SwapBytes);
1781 if (pFormat != PIPE_FORMAT_NONE)
1782 return st_pipe_format_to_mesa_format(pFormat);
1783 }
1784 }
1785
1786 pFormat = st_choose_format(st, internalFormat, format, type,
1787 pTarget, 0, bindings, ctx->Mesa_DXTn);
1788
1789 if (pFormat == PIPE_FORMAT_NONE) {
1790 /* try choosing format again, this time without render target bindings */
1791 pFormat = st_choose_format(st, internalFormat, format, type,
1792 pTarget, 0, PIPE_BIND_SAMPLER_VIEW,
1793 ctx->Mesa_DXTn);
1794 }
1795
1796 if (pFormat == PIPE_FORMAT_NONE) {
1797 /* no luck at all */
1798 return MESA_FORMAT_NONE;
1799 }
1800
1801 return st_pipe_format_to_mesa_format(pFormat);
1802 }
1803
1804
1805 /**
1806 * Called via ctx->Driver.ChooseTextureFormat().
1807 */
1808 size_t
1809 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
1810 GLenum internalFormat, int samples[16])
1811 {
1812 struct st_context *st = st_context(ctx);
1813 enum pipe_format format;
1814 unsigned i, bind, num_sample_counts = 0;
1815
1816 (void) target;
1817
1818 if (_mesa_is_depth_or_stencil_format(internalFormat))
1819 bind = PIPE_BIND_DEPTH_STENCIL;
1820 else
1821 bind = PIPE_BIND_RENDER_TARGET;
1822
1823 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
1824 * formats.
1825 */
1826 if (!ctx->Extensions.EXT_framebuffer_sRGB) {
1827 internalFormat = _mesa_get_linear_internalformat(internalFormat);
1828 }
1829
1830 /* Set sample counts in descending order. */
1831 for (i = 16; i > 1; i--) {
1832 format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1833 PIPE_TEXTURE_2D, i, bind, FALSE);
1834
1835 if (format != PIPE_FORMAT_NONE) {
1836 samples[num_sample_counts++] = i;
1837 }
1838 }
1839
1840 if (!num_sample_counts) {
1841 samples[num_sample_counts++] = 1;
1842 }
1843
1844 return num_sample_counts;
1845 }
1846
1847
1848 /**
1849 * This is used for translating texture border color and the clear
1850 * color. For example, the clear color is interpreted according to
1851 * the renderbuffer's base format. For example, if clearing a
1852 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1853 * colorOut[2] = colorIn[0].
1854 * Similarly for texture border colors.
1855 */
1856 void
1857 st_translate_color(const union gl_color_union *colorIn,
1858 union pipe_color_union *colorOut,
1859 GLenum baseFormat, GLboolean is_integer)
1860 {
1861 if (is_integer) {
1862 const int *in = colorIn->i;
1863 int *out = colorOut->i;
1864
1865 switch (baseFormat) {
1866 case GL_RED:
1867 out[0] = in[0];
1868 out[1] = 0;
1869 out[2] = 0;
1870 out[3] = 1;
1871 break;
1872 case GL_RG:
1873 out[0] = in[0];
1874 out[1] = in[1];
1875 out[2] = 0;
1876 out[3] = 1;
1877 break;
1878 case GL_RGB:
1879 out[0] = in[0];
1880 out[1] = in[1];
1881 out[2] = in[2];
1882 out[3] = 1;
1883 break;
1884 case GL_ALPHA:
1885 out[0] = out[1] = out[2] = 0;
1886 out[3] = in[3];
1887 break;
1888 case GL_LUMINANCE:
1889 out[0] = out[1] = out[2] = in[0];
1890 out[3] = 1;
1891 break;
1892 case GL_LUMINANCE_ALPHA:
1893 out[0] = out[1] = out[2] = in[0];
1894 out[3] = in[3];
1895 break;
1896 case GL_INTENSITY:
1897 out[0] = out[1] = out[2] = out[3] = in[0];
1898 break;
1899 default:
1900 COPY_4V(out, in);
1901 }
1902 }
1903 else {
1904 const float *in = colorIn->f;
1905 float *out = colorOut->f;
1906
1907 switch (baseFormat) {
1908 case GL_RED:
1909 out[0] = in[0];
1910 out[1] = 0.0F;
1911 out[2] = 0.0F;
1912 out[3] = 1.0F;
1913 break;
1914 case GL_RG:
1915 out[0] = in[0];
1916 out[1] = in[1];
1917 out[2] = 0.0F;
1918 out[3] = 1.0F;
1919 break;
1920 case GL_RGB:
1921 out[0] = in[0];
1922 out[1] = in[1];
1923 out[2] = in[2];
1924 out[3] = 1.0F;
1925 break;
1926 case GL_ALPHA:
1927 out[0] = out[1] = out[2] = 0.0F;
1928 out[3] = in[3];
1929 break;
1930 case GL_LUMINANCE:
1931 out[0] = out[1] = out[2] = in[0];
1932 out[3] = 1.0F;
1933 break;
1934 case GL_LUMINANCE_ALPHA:
1935 out[0] = out[1] = out[2] = in[0];
1936 out[3] = in[3];
1937 break;
1938 case GL_INTENSITY:
1939 out[0] = out[1] = out[2] = out[3] = in[0];
1940 break;
1941 default:
1942 COPY_4V(out, in);
1943 }
1944 }
1945 }