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mesa: rename MESA_FORMAT_X8Z24_UNORM -> MESA_FORMAT_X8_UINT_Z24_UNORM
[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(mesa_format mesaFormat)
58 {
59 switch (mesaFormat) {
60 case MESA_FORMAT_A8B8G8R8_UNORM:
61 return PIPE_FORMAT_ABGR8888_UNORM;
62 case MESA_FORMAT_R8G8B8A8_UNORM:
63 return PIPE_FORMAT_RGBA8888_UNORM;
64 case MESA_FORMAT_B8G8R8A8_UNORM:
65 return PIPE_FORMAT_BGRA8888_UNORM;
66 case MESA_FORMAT_A8R8G8B8_UNORM:
67 return PIPE_FORMAT_ARGB8888_UNORM;
68 case MESA_FORMAT_X8B8G8R8_UNORM:
69 return PIPE_FORMAT_XBGR8888_UNORM;
70 case MESA_FORMAT_R8G8B8X8_UNORM:
71 return PIPE_FORMAT_RGBX8888_UNORM;
72 case MESA_FORMAT_B8G8R8X8_UNORM:
73 return PIPE_FORMAT_BGRX8888_UNORM;
74 case MESA_FORMAT_X8R8G8B8_UNORM:
75 return PIPE_FORMAT_XRGB8888_UNORM;
76 case MESA_FORMAT_B5G5R5A1_UNORM:
77 return PIPE_FORMAT_B5G5R5A1_UNORM;
78 case MESA_FORMAT_B4G4R4A4_UNORM:
79 return PIPE_FORMAT_B4G4R4A4_UNORM;
80 case MESA_FORMAT_B5G6R5_UNORM:
81 return PIPE_FORMAT_B5G6R5_UNORM;
82 case MESA_FORMAT_B2G3R3_UNORM:
83 return PIPE_FORMAT_B2G3R3_UNORM;
84 case MESA_FORMAT_B10G10R10A2_UNORM:
85 return PIPE_FORMAT_B10G10R10A2_UNORM;
86 case MESA_FORMAT_L4A4_UNORM:
87 return PIPE_FORMAT_L4A4_UNORM;
88 case MESA_FORMAT_L8A8_UNORM:
89 return PIPE_FORMAT_L8A8_UNORM;
90 case MESA_FORMAT_L16A16_UNORM:
91 return PIPE_FORMAT_L16A16_UNORM;
92 case MESA_FORMAT_A_UNORM8:
93 return PIPE_FORMAT_A8_UNORM;
94 case MESA_FORMAT_A_UNORM16:
95 return PIPE_FORMAT_A16_UNORM;
96 case MESA_FORMAT_L_UNORM8:
97 return PIPE_FORMAT_L8_UNORM;
98 case MESA_FORMAT_L_UNORM16:
99 return PIPE_FORMAT_L16_UNORM;
100 case MESA_FORMAT_I_UNORM8:
101 return PIPE_FORMAT_I8_UNORM;
102 case MESA_FORMAT_I_UNORM16:
103 return PIPE_FORMAT_I16_UNORM;
104 case MESA_FORMAT_Z_UNORM16:
105 return PIPE_FORMAT_Z16_UNORM;
106 case MESA_FORMAT_Z_UNORM32:
107 return PIPE_FORMAT_Z32_UNORM;
108 case MESA_FORMAT_S8_UINT_Z24_UNORM:
109 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
110 case MESA_FORMAT_Z24_UNORM_S8_UINT:
111 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
112 case MESA_FORMAT_X8_UINT_Z24_UNORM:
113 return PIPE_FORMAT_X8Z24_UNORM;
114 case MESA_FORMAT_Z24_UNORM_X8_UINT:
115 return PIPE_FORMAT_Z24X8_UNORM;
116 case MESA_FORMAT_S_UINT8:
117 return PIPE_FORMAT_S8_UINT;
118 case MESA_FORMAT_Z_FLOAT32:
119 return PIPE_FORMAT_Z32_FLOAT;
120 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
121 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
122 case MESA_FORMAT_YCBCR:
123 return PIPE_FORMAT_UYVY;
124 case MESA_FORMAT_YCBCR_REV:
125 return PIPE_FORMAT_YUYV;
126 case MESA_FORMAT_RGB_DXT1:
127 return PIPE_FORMAT_DXT1_RGB;
128 case MESA_FORMAT_RGBA_DXT1:
129 return PIPE_FORMAT_DXT1_RGBA;
130 case MESA_FORMAT_RGBA_DXT3:
131 return PIPE_FORMAT_DXT3_RGBA;
132 case MESA_FORMAT_RGBA_DXT5:
133 return PIPE_FORMAT_DXT5_RGBA;
134 case MESA_FORMAT_SRGB_DXT1:
135 return PIPE_FORMAT_DXT1_SRGB;
136 case MESA_FORMAT_SRGBA_DXT1:
137 return PIPE_FORMAT_DXT1_SRGBA;
138 case MESA_FORMAT_SRGBA_DXT3:
139 return PIPE_FORMAT_DXT3_SRGBA;
140 case MESA_FORMAT_SRGBA_DXT5:
141 return PIPE_FORMAT_DXT5_SRGBA;
142 case MESA_FORMAT_L8A8_SRGB:
143 return PIPE_FORMAT_L8A8_SRGB;
144 case MESA_FORMAT_L_SRGB8:
145 return PIPE_FORMAT_L8_SRGB;
146 case MESA_FORMAT_BGR_SRGB8:
147 return PIPE_FORMAT_R8G8B8_SRGB;
148 case MESA_FORMAT_A8B8G8R8_SRGB:
149 return PIPE_FORMAT_A8B8G8R8_SRGB;
150 case MESA_FORMAT_B8G8R8A8_SRGB:
151 return PIPE_FORMAT_B8G8R8A8_SRGB;
152 case MESA_FORMAT_R8G8B8A8_SRGB:
153 return PIPE_FORMAT_R8G8B8A8_SRGB;
154 case MESA_FORMAT_RGBA_FLOAT32:
155 return PIPE_FORMAT_R32G32B32A32_FLOAT;
156 case MESA_FORMAT_RGBA_FLOAT16:
157 return PIPE_FORMAT_R16G16B16A16_FLOAT;
158 case MESA_FORMAT_RGB_FLOAT32:
159 return PIPE_FORMAT_R32G32B32_FLOAT;
160 case MESA_FORMAT_RGB_FLOAT16:
161 return PIPE_FORMAT_R16G16B16_FLOAT;
162 case MESA_FORMAT_LA_FLOAT32:
163 return PIPE_FORMAT_L32A32_FLOAT;
164 case MESA_FORMAT_LA_FLOAT16:
165 return PIPE_FORMAT_L16A16_FLOAT;
166 case MESA_FORMAT_L_FLOAT32:
167 return PIPE_FORMAT_L32_FLOAT;
168 case MESA_FORMAT_L_FLOAT16:
169 return PIPE_FORMAT_L16_FLOAT;
170 case MESA_FORMAT_A_FLOAT32:
171 return PIPE_FORMAT_A32_FLOAT;
172 case MESA_FORMAT_A_FLOAT16:
173 return PIPE_FORMAT_A16_FLOAT;
174 case MESA_FORMAT_I_FLOAT32:
175 return PIPE_FORMAT_I32_FLOAT;
176 case MESA_FORMAT_I_FLOAT16:
177 return PIPE_FORMAT_I16_FLOAT;
178 case MESA_FORMAT_R_FLOAT32:
179 return PIPE_FORMAT_R32_FLOAT;
180 case MESA_FORMAT_R_FLOAT16:
181 return PIPE_FORMAT_R16_FLOAT;
182 case MESA_FORMAT_RG_FLOAT32:
183 return PIPE_FORMAT_R32G32_FLOAT;
184 case MESA_FORMAT_RG_FLOAT16:
185 return PIPE_FORMAT_R16G16_FLOAT;
186
187 case MESA_FORMAT_R_UNORM8:
188 return PIPE_FORMAT_R8_UNORM;
189 case MESA_FORMAT_R_UNORM16:
190 return PIPE_FORMAT_R16_UNORM;
191 case MESA_FORMAT_R8G8_UNORM:
192 return PIPE_FORMAT_R8G8_UNORM;
193 case MESA_FORMAT_R16G16_UNORM:
194 return PIPE_FORMAT_R16G16_UNORM;
195 case MESA_FORMAT_RGBA_UNORM16:
196 return PIPE_FORMAT_R16G16B16A16_UNORM;
197
198 /* signed int formats */
199 case MESA_FORMAT_A_UINT8:
200 return PIPE_FORMAT_A8_UINT;
201 case MESA_FORMAT_A_UINT16:
202 return PIPE_FORMAT_A16_UINT;
203 case MESA_FORMAT_A_UINT32:
204 return PIPE_FORMAT_A32_UINT;
205
206 case MESA_FORMAT_A_SINT8:
207 return PIPE_FORMAT_A8_SINT;
208 case MESA_FORMAT_A_SINT16:
209 return PIPE_FORMAT_A16_SINT;
210 case MESA_FORMAT_A_SINT32:
211 return PIPE_FORMAT_A32_SINT;
212
213 case MESA_FORMAT_I_UINT8:
214 return PIPE_FORMAT_I8_UINT;
215 case MESA_FORMAT_I_UINT16:
216 return PIPE_FORMAT_I16_UINT;
217 case MESA_FORMAT_I_UINT32:
218 return PIPE_FORMAT_I32_UINT;
219
220 case MESA_FORMAT_I_SINT8:
221 return PIPE_FORMAT_I8_SINT;
222 case MESA_FORMAT_I_SINT16:
223 return PIPE_FORMAT_I16_SINT;
224 case MESA_FORMAT_I_SINT32:
225 return PIPE_FORMAT_I32_SINT;
226
227 case MESA_FORMAT_L_UINT8:
228 return PIPE_FORMAT_L8_UINT;
229 case MESA_FORMAT_L_UINT16:
230 return PIPE_FORMAT_L16_UINT;
231 case MESA_FORMAT_L_UINT32:
232 return PIPE_FORMAT_L32_UINT;
233
234 case MESA_FORMAT_L_SINT8:
235 return PIPE_FORMAT_L8_SINT;
236 case MESA_FORMAT_L_SINT16:
237 return PIPE_FORMAT_L16_SINT;
238 case MESA_FORMAT_L_SINT32:
239 return PIPE_FORMAT_L32_SINT;
240
241 case MESA_FORMAT_LA_UINT8:
242 return PIPE_FORMAT_L8A8_UINT;
243 case MESA_FORMAT_LA_UINT16:
244 return PIPE_FORMAT_L16A16_UINT;
245 case MESA_FORMAT_LA_UINT32:
246 return PIPE_FORMAT_L32A32_UINT;
247
248 case MESA_FORMAT_LA_SINT8:
249 return PIPE_FORMAT_L8A8_SINT;
250 case MESA_FORMAT_LA_SINT16:
251 return PIPE_FORMAT_L16A16_SINT;
252 case MESA_FORMAT_LA_SINT32:
253 return PIPE_FORMAT_L32A32_SINT;
254
255 case MESA_FORMAT_R_SINT8:
256 return PIPE_FORMAT_R8_SINT;
257 case MESA_FORMAT_RG_SINT8:
258 return PIPE_FORMAT_R8G8_SINT;
259 case MESA_FORMAT_RGB_SINT8:
260 return PIPE_FORMAT_R8G8B8_SINT;
261 case MESA_FORMAT_RGBA_SINT8:
262 return PIPE_FORMAT_R8G8B8A8_SINT;
263 case MESA_FORMAT_R_SINT16:
264 return PIPE_FORMAT_R16_SINT;
265 case MESA_FORMAT_RG_SINT16:
266 return PIPE_FORMAT_R16G16_SINT;
267 case MESA_FORMAT_RGB_SINT16:
268 return PIPE_FORMAT_R16G16B16_SINT;
269 case MESA_FORMAT_RGBA_SINT16:
270 return PIPE_FORMAT_R16G16B16A16_SINT;
271 case MESA_FORMAT_R_SINT32:
272 return PIPE_FORMAT_R32_SINT;
273 case MESA_FORMAT_RG_SINT32:
274 return PIPE_FORMAT_R32G32_SINT;
275 case MESA_FORMAT_RGB_SINT32:
276 return PIPE_FORMAT_R32G32B32_SINT;
277 case MESA_FORMAT_RGBA_SINT32:
278 return PIPE_FORMAT_R32G32B32A32_SINT;
279
280 /* unsigned int formats */
281 case MESA_FORMAT_R_UINT8:
282 return PIPE_FORMAT_R8_UINT;
283 case MESA_FORMAT_RG_UINT8:
284 return PIPE_FORMAT_R8G8_UINT;
285 case MESA_FORMAT_RGB_UINT8:
286 return PIPE_FORMAT_R8G8B8_UINT;
287 case MESA_FORMAT_RGBA_UINT8:
288 return PIPE_FORMAT_R8G8B8A8_UINT;
289 case MESA_FORMAT_R_UINT16:
290 return PIPE_FORMAT_R16_UINT;
291 case MESA_FORMAT_RG_UINT16:
292 return PIPE_FORMAT_R16G16_UINT;
293 case MESA_FORMAT_RGB_UINT16:
294 return PIPE_FORMAT_R16G16B16_UINT;
295 case MESA_FORMAT_RGBA_UINT16:
296 return PIPE_FORMAT_R16G16B16A16_UINT;
297 case MESA_FORMAT_R_UINT32:
298 return PIPE_FORMAT_R32_UINT;
299 case MESA_FORMAT_RG_UINT32:
300 return PIPE_FORMAT_R32G32_UINT;
301 case MESA_FORMAT_RGB_UINT32:
302 return PIPE_FORMAT_R32G32B32_UINT;
303 case MESA_FORMAT_RGBA_UINT32:
304 return PIPE_FORMAT_R32G32B32A32_UINT;
305
306 case MESA_FORMAT_R_RGTC1_UNORM:
307 return PIPE_FORMAT_RGTC1_UNORM;
308 case MESA_FORMAT_R_RGTC1_SNORM:
309 return PIPE_FORMAT_RGTC1_SNORM;
310 case MESA_FORMAT_RG_RGTC2_UNORM:
311 return PIPE_FORMAT_RGTC2_UNORM;
312 case MESA_FORMAT_RG_RGTC2_SNORM:
313 return PIPE_FORMAT_RGTC2_SNORM;
314
315 case MESA_FORMAT_L_LATC1_UNORM:
316 return PIPE_FORMAT_LATC1_UNORM;
317 case MESA_FORMAT_L_LATC1_SNORM:
318 return PIPE_FORMAT_LATC1_SNORM;
319 case MESA_FORMAT_LA_LATC2_UNORM:
320 return PIPE_FORMAT_LATC2_UNORM;
321 case MESA_FORMAT_LA_LATC2_SNORM:
322 return PIPE_FORMAT_LATC2_SNORM;
323
324 case MESA_FORMAT_ETC1_RGB8:
325 return PIPE_FORMAT_ETC1_RGB8;
326
327 /* signed normalized formats */
328 case MESA_FORMAT_R_SNORM8:
329 return PIPE_FORMAT_R8_SNORM;
330 case MESA_FORMAT_R8G8_SNORM:
331 return PIPE_FORMAT_R8G8_SNORM;
332 case MESA_FORMAT_R8G8B8A8_SNORM:
333 return PIPE_FORMAT_R8G8B8A8_SNORM;
334
335 case MESA_FORMAT_A_SNORM8:
336 return PIPE_FORMAT_A8_SNORM;
337 case MESA_FORMAT_L_SNORM8:
338 return PIPE_FORMAT_L8_SNORM;
339 case MESA_FORMAT_L8A8_SNORM:
340 return PIPE_FORMAT_L8A8_SNORM;
341 case MESA_FORMAT_I_SNORM8:
342 return PIPE_FORMAT_I8_SNORM;
343
344 case MESA_FORMAT_R_SNORM16:
345 return PIPE_FORMAT_R16_SNORM;
346 case MESA_FORMAT_R16G16_SNORM:
347 return PIPE_FORMAT_R16G16_SNORM;
348 case MESA_FORMAT_RGBA_SNORM16:
349 return PIPE_FORMAT_R16G16B16A16_SNORM;
350
351 case MESA_FORMAT_A_SNORM16:
352 return PIPE_FORMAT_A16_SNORM;
353 case MESA_FORMAT_L_SNORM16:
354 return PIPE_FORMAT_L16_SNORM;
355 case MESA_FORMAT_LA_SNORM16:
356 return PIPE_FORMAT_L16A16_SNORM;
357 case MESA_FORMAT_I_SNORM16:
358 return PIPE_FORMAT_I16_SNORM;
359
360 case MESA_FORMAT_R9G9B9E5_FLOAT:
361 return PIPE_FORMAT_R9G9B9E5_FLOAT;
362 case MESA_FORMAT_R11G11B10_FLOAT:
363 return PIPE_FORMAT_R11G11B10_FLOAT;
364 case MESA_FORMAT_B10G10R10A2_UINT:
365 return PIPE_FORMAT_B10G10R10A2_UINT;
366 case MESA_FORMAT_R10G10B10A2_UINT:
367 return PIPE_FORMAT_R10G10B10A2_UINT;
368
369 case MESA_FORMAT_B4G4R4X4_UNORM:
370 return PIPE_FORMAT_B4G4R4X4_UNORM;
371 case MESA_FORMAT_B5G5R5X1_UNORM:
372 return PIPE_FORMAT_B5G5R5X1_UNORM;
373 case MESA_FORMAT_R8G8B8X8_SNORM:
374 return PIPE_FORMAT_R8G8B8X8_SNORM;
375 case MESA_FORMAT_R8G8B8X8_SRGB:
376 return PIPE_FORMAT_R8G8B8X8_SRGB;
377 case MESA_FORMAT_RGBX_UINT8:
378 return PIPE_FORMAT_R8G8B8X8_UINT;
379 case MESA_FORMAT_RGBX_SINT8:
380 return PIPE_FORMAT_R8G8B8X8_SINT;
381 case MESA_FORMAT_B10G10R10X2_UNORM:
382 return PIPE_FORMAT_B10G10R10X2_UNORM;
383 case MESA_FORMAT_RGBX_UNORM16:
384 return PIPE_FORMAT_R16G16B16X16_UNORM;
385 case MESA_FORMAT_RGBX_SNORM16:
386 return PIPE_FORMAT_R16G16B16X16_SNORM;
387 case MESA_FORMAT_RGBX_FLOAT16:
388 return PIPE_FORMAT_R16G16B16X16_FLOAT;
389 case MESA_FORMAT_RGBX_UINT16:
390 return PIPE_FORMAT_R16G16B16X16_UINT;
391 case MESA_FORMAT_RGBX_SINT16:
392 return PIPE_FORMAT_R16G16B16X16_SINT;
393 case MESA_FORMAT_RGBX_FLOAT32:
394 return PIPE_FORMAT_R32G32B32X32_FLOAT;
395 case MESA_FORMAT_RGBX_UINT32:
396 return PIPE_FORMAT_R32G32B32X32_UINT;
397 case MESA_FORMAT_RGBX_SINT32:
398 return PIPE_FORMAT_R32G32B32X32_SINT;
399
400 case MESA_FORMAT_B8G8R8X8_SRGB:
401 return PIPE_FORMAT_B8G8R8X8_SRGB;
402
403 default:
404 return PIPE_FORMAT_NONE;
405 }
406 }
407
408
409 /**
410 * Translate Gallium format to Mesa format.
411 */
412 mesa_format
413 st_pipe_format_to_mesa_format(enum pipe_format format)
414 {
415 switch (format) {
416 case PIPE_FORMAT_ABGR8888_UNORM:
417 return MESA_FORMAT_A8B8G8R8_UNORM;
418 case PIPE_FORMAT_RGBA8888_UNORM:
419 return MESA_FORMAT_R8G8B8A8_UNORM;
420 case PIPE_FORMAT_BGRA8888_UNORM:
421 return MESA_FORMAT_B8G8R8A8_UNORM;
422 case PIPE_FORMAT_ARGB8888_UNORM:
423 return MESA_FORMAT_A8R8G8B8_UNORM;
424 case PIPE_FORMAT_XBGR8888_UNORM:
425 return MESA_FORMAT_X8B8G8R8_UNORM;
426 case PIPE_FORMAT_RGBX8888_UNORM:
427 return MESA_FORMAT_R8G8B8X8_UNORM;
428 case PIPE_FORMAT_BGRX8888_UNORM:
429 return MESA_FORMAT_B8G8R8X8_UNORM;
430 case PIPE_FORMAT_XRGB8888_UNORM:
431 return MESA_FORMAT_X8R8G8B8_UNORM;
432 case PIPE_FORMAT_B5G5R5A1_UNORM:
433 return MESA_FORMAT_B5G5R5A1_UNORM;
434 case PIPE_FORMAT_B4G4R4A4_UNORM:
435 return MESA_FORMAT_B4G4R4A4_UNORM;
436 case PIPE_FORMAT_B5G6R5_UNORM:
437 return MESA_FORMAT_B5G6R5_UNORM;
438 case PIPE_FORMAT_B2G3R3_UNORM:
439 return MESA_FORMAT_B2G3R3_UNORM;
440 case PIPE_FORMAT_B10G10R10A2_UNORM:
441 return MESA_FORMAT_B10G10R10A2_UNORM;
442 case PIPE_FORMAT_L4A4_UNORM:
443 return MESA_FORMAT_L4A4_UNORM;
444 case PIPE_FORMAT_L8A8_UNORM:
445 return MESA_FORMAT_L8A8_UNORM;
446 case PIPE_FORMAT_L16A16_UNORM:
447 return MESA_FORMAT_L16A16_UNORM;
448 case PIPE_FORMAT_A8_UNORM:
449 return MESA_FORMAT_A_UNORM8;
450 case PIPE_FORMAT_A16_UNORM:
451 return MESA_FORMAT_A_UNORM16;
452 case PIPE_FORMAT_L8_UNORM:
453 return MESA_FORMAT_L_UNORM8;
454 case PIPE_FORMAT_L16_UNORM:
455 return MESA_FORMAT_L_UNORM16;
456 case PIPE_FORMAT_I8_UNORM:
457 return MESA_FORMAT_I_UNORM8;
458 case PIPE_FORMAT_I16_UNORM:
459 return MESA_FORMAT_I_UNORM16;
460 case PIPE_FORMAT_S8_UINT:
461 return MESA_FORMAT_S_UINT8;
462
463 case PIPE_FORMAT_R16G16B16A16_UNORM:
464 return MESA_FORMAT_RGBA_UNORM16;
465
466 case PIPE_FORMAT_Z16_UNORM:
467 return MESA_FORMAT_Z_UNORM16;
468 case PIPE_FORMAT_Z32_UNORM:
469 return MESA_FORMAT_Z_UNORM32;
470 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
471 return MESA_FORMAT_S8_UINT_Z24_UNORM;
472 case PIPE_FORMAT_X8Z24_UNORM:
473 return MESA_FORMAT_X8_UINT_Z24_UNORM;
474 case PIPE_FORMAT_Z24X8_UNORM:
475 return MESA_FORMAT_Z24_UNORM_X8_UINT;
476 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
477 return MESA_FORMAT_Z24_UNORM_S8_UINT;
478 case PIPE_FORMAT_Z32_FLOAT:
479 return MESA_FORMAT_Z_FLOAT32;
480 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
481 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
482
483 case PIPE_FORMAT_UYVY:
484 return MESA_FORMAT_YCBCR;
485 case PIPE_FORMAT_YUYV:
486 return MESA_FORMAT_YCBCR_REV;
487
488 case PIPE_FORMAT_DXT1_RGB:
489 return MESA_FORMAT_RGB_DXT1;
490 case PIPE_FORMAT_DXT1_RGBA:
491 return MESA_FORMAT_RGBA_DXT1;
492 case PIPE_FORMAT_DXT3_RGBA:
493 return MESA_FORMAT_RGBA_DXT3;
494 case PIPE_FORMAT_DXT5_RGBA:
495 return MESA_FORMAT_RGBA_DXT5;
496 case PIPE_FORMAT_DXT1_SRGB:
497 return MESA_FORMAT_SRGB_DXT1;
498 case PIPE_FORMAT_DXT1_SRGBA:
499 return MESA_FORMAT_SRGBA_DXT1;
500 case PIPE_FORMAT_DXT3_SRGBA:
501 return MESA_FORMAT_SRGBA_DXT3;
502 case PIPE_FORMAT_DXT5_SRGBA:
503 return MESA_FORMAT_SRGBA_DXT5;
504 case PIPE_FORMAT_L8A8_SRGB:
505 return MESA_FORMAT_L8A8_SRGB;
506 case PIPE_FORMAT_L8_SRGB:
507 return MESA_FORMAT_L_SRGB8;
508 case PIPE_FORMAT_R8G8B8_SRGB:
509 return MESA_FORMAT_BGR_SRGB8;
510 case PIPE_FORMAT_A8B8G8R8_SRGB:
511 return MESA_FORMAT_A8B8G8R8_SRGB;
512 case PIPE_FORMAT_B8G8R8A8_SRGB:
513 return MESA_FORMAT_B8G8R8A8_SRGB;
514 case PIPE_FORMAT_R32G32B32A32_FLOAT:
515 return MESA_FORMAT_RGBA_FLOAT32;
516 case PIPE_FORMAT_R16G16B16A16_FLOAT:
517 return MESA_FORMAT_RGBA_FLOAT16;
518 case PIPE_FORMAT_R32G32B32_FLOAT:
519 return MESA_FORMAT_RGB_FLOAT32;
520 case PIPE_FORMAT_R16G16B16_FLOAT:
521 return MESA_FORMAT_RGB_FLOAT16;
522 case PIPE_FORMAT_L32A32_FLOAT:
523 return MESA_FORMAT_LA_FLOAT32;
524 case PIPE_FORMAT_L16A16_FLOAT:
525 return MESA_FORMAT_LA_FLOAT16;
526 case PIPE_FORMAT_L32_FLOAT:
527 return MESA_FORMAT_L_FLOAT32;
528 case PIPE_FORMAT_L16_FLOAT:
529 return MESA_FORMAT_L_FLOAT16;
530 case PIPE_FORMAT_A32_FLOAT:
531 return MESA_FORMAT_A_FLOAT32;
532 case PIPE_FORMAT_A16_FLOAT:
533 return MESA_FORMAT_A_FLOAT16;
534 case PIPE_FORMAT_I32_FLOAT:
535 return MESA_FORMAT_I_FLOAT32;
536 case PIPE_FORMAT_I16_FLOAT:
537 return MESA_FORMAT_I_FLOAT16;
538 case PIPE_FORMAT_R32_FLOAT:
539 return MESA_FORMAT_R_FLOAT32;
540 case PIPE_FORMAT_R16_FLOAT:
541 return MESA_FORMAT_R_FLOAT16;
542 case PIPE_FORMAT_R32G32_FLOAT:
543 return MESA_FORMAT_RG_FLOAT32;
544 case PIPE_FORMAT_R16G16_FLOAT:
545 return MESA_FORMAT_RG_FLOAT16;
546
547 case PIPE_FORMAT_R8_UNORM:
548 return MESA_FORMAT_R_UNORM8;
549 case PIPE_FORMAT_R16_UNORM:
550 return MESA_FORMAT_R_UNORM16;
551 case PIPE_FORMAT_R8G8_UNORM:
552 return MESA_FORMAT_R8G8_UNORM;
553 case PIPE_FORMAT_R16G16_UNORM:
554 return MESA_FORMAT_R16G16_UNORM;
555
556 case PIPE_FORMAT_A8_UINT:
557 return MESA_FORMAT_A_UINT8;
558 case PIPE_FORMAT_A16_UINT:
559 return MESA_FORMAT_A_UINT16;
560 case PIPE_FORMAT_A32_UINT:
561 return MESA_FORMAT_A_UINT32;
562 case PIPE_FORMAT_A8_SINT:
563 return MESA_FORMAT_A_SINT8;
564 case PIPE_FORMAT_A16_SINT:
565 return MESA_FORMAT_A_SINT16;
566 case PIPE_FORMAT_A32_SINT:
567 return MESA_FORMAT_A_SINT32;
568
569 case PIPE_FORMAT_I8_UINT:
570 return MESA_FORMAT_I_UINT8;
571 case PIPE_FORMAT_I16_UINT:
572 return MESA_FORMAT_I_UINT16;
573 case PIPE_FORMAT_I32_UINT:
574 return MESA_FORMAT_I_UINT32;
575 case PIPE_FORMAT_I8_SINT:
576 return MESA_FORMAT_I_SINT8;
577 case PIPE_FORMAT_I16_SINT:
578 return MESA_FORMAT_I_SINT16;
579 case PIPE_FORMAT_I32_SINT:
580 return MESA_FORMAT_I_SINT32;
581
582 case PIPE_FORMAT_L8_UINT:
583 return MESA_FORMAT_L_UINT8;
584 case PIPE_FORMAT_L16_UINT:
585 return MESA_FORMAT_L_UINT16;
586 case PIPE_FORMAT_L32_UINT:
587 return MESA_FORMAT_L_UINT32;
588 case PIPE_FORMAT_L8_SINT:
589 return MESA_FORMAT_L_SINT8;
590 case PIPE_FORMAT_L16_SINT:
591 return MESA_FORMAT_L_SINT16;
592 case PIPE_FORMAT_L32_SINT:
593 return MESA_FORMAT_L_SINT32;
594
595 case PIPE_FORMAT_L8A8_UINT:
596 return MESA_FORMAT_LA_UINT8;
597 case PIPE_FORMAT_L16A16_UINT:
598 return MESA_FORMAT_LA_UINT16;
599 case PIPE_FORMAT_L32A32_UINT:
600 return MESA_FORMAT_LA_UINT32;
601 case PIPE_FORMAT_L8A8_SINT:
602 return MESA_FORMAT_LA_SINT8;
603 case PIPE_FORMAT_L16A16_SINT:
604 return MESA_FORMAT_LA_SINT16;
605 case PIPE_FORMAT_L32A32_SINT:
606 return MESA_FORMAT_LA_SINT32;
607
608 case PIPE_FORMAT_R8_SINT:
609 return MESA_FORMAT_R_SINT8;
610 case PIPE_FORMAT_R8G8_SINT:
611 return MESA_FORMAT_RG_SINT8;
612 case PIPE_FORMAT_R8G8B8_SINT:
613 return MESA_FORMAT_RGB_SINT8;
614 case PIPE_FORMAT_R8G8B8A8_SINT:
615 return MESA_FORMAT_RGBA_SINT8;
616
617 case PIPE_FORMAT_R16_SINT:
618 return MESA_FORMAT_R_SINT16;
619 case PIPE_FORMAT_R16G16_SINT:
620 return MESA_FORMAT_RG_SINT16;
621 case PIPE_FORMAT_R16G16B16_SINT:
622 return MESA_FORMAT_RGB_SINT16;
623 case PIPE_FORMAT_R16G16B16A16_SINT:
624 return MESA_FORMAT_RGBA_SINT16;
625
626 case PIPE_FORMAT_R32_SINT:
627 return MESA_FORMAT_R_SINT32;
628 case PIPE_FORMAT_R32G32_SINT:
629 return MESA_FORMAT_RG_SINT32;
630 case PIPE_FORMAT_R32G32B32_SINT:
631 return MESA_FORMAT_RGB_SINT32;
632 case PIPE_FORMAT_R32G32B32A32_SINT:
633 return MESA_FORMAT_RGBA_SINT32;
634
635 /* unsigned int formats */
636 case PIPE_FORMAT_R8_UINT:
637 return MESA_FORMAT_R_UINT8;
638 case PIPE_FORMAT_R8G8_UINT:
639 return MESA_FORMAT_RG_UINT8;
640 case PIPE_FORMAT_R8G8B8_UINT:
641 return MESA_FORMAT_RGB_UINT8;
642 case PIPE_FORMAT_R8G8B8A8_UINT:
643 return MESA_FORMAT_RGBA_UINT8;
644
645 case PIPE_FORMAT_R16_UINT:
646 return MESA_FORMAT_R_UINT16;
647 case PIPE_FORMAT_R16G16_UINT:
648 return MESA_FORMAT_RG_UINT16;
649 case PIPE_FORMAT_R16G16B16_UINT:
650 return MESA_FORMAT_RGB_UINT16;
651 case PIPE_FORMAT_R16G16B16A16_UINT:
652 return MESA_FORMAT_RGBA_UINT16;
653
654 case PIPE_FORMAT_R32_UINT:
655 return MESA_FORMAT_R_UINT32;
656 case PIPE_FORMAT_R32G32_UINT:
657 return MESA_FORMAT_RG_UINT32;
658 case PIPE_FORMAT_R32G32B32_UINT:
659 return MESA_FORMAT_RGB_UINT32;
660 case PIPE_FORMAT_R32G32B32A32_UINT:
661 return MESA_FORMAT_RGBA_UINT32;
662
663 case PIPE_FORMAT_RGTC1_UNORM:
664 return MESA_FORMAT_R_RGTC1_UNORM;
665 case PIPE_FORMAT_RGTC1_SNORM:
666 return MESA_FORMAT_R_RGTC1_SNORM;
667 case PIPE_FORMAT_RGTC2_UNORM:
668 return MESA_FORMAT_RG_RGTC2_UNORM;
669 case PIPE_FORMAT_RGTC2_SNORM:
670 return MESA_FORMAT_RG_RGTC2_SNORM;
671
672 case PIPE_FORMAT_LATC1_UNORM:
673 return MESA_FORMAT_L_LATC1_UNORM;
674 case PIPE_FORMAT_LATC1_SNORM:
675 return MESA_FORMAT_L_LATC1_SNORM;
676 case PIPE_FORMAT_LATC2_UNORM:
677 return MESA_FORMAT_LA_LATC2_UNORM;
678 case PIPE_FORMAT_LATC2_SNORM:
679 return MESA_FORMAT_LA_LATC2_SNORM;
680
681 case PIPE_FORMAT_ETC1_RGB8:
682 return MESA_FORMAT_ETC1_RGB8;
683
684 /* signed normalized formats */
685 case PIPE_FORMAT_R8_SNORM:
686 return MESA_FORMAT_R_SNORM8;
687 case PIPE_FORMAT_R8G8_SNORM:
688 return MESA_FORMAT_R8G8_SNORM;
689 case PIPE_FORMAT_R8G8B8A8_SNORM:
690 return MESA_FORMAT_R8G8B8A8_SNORM;
691
692 case PIPE_FORMAT_A8_SNORM:
693 return MESA_FORMAT_A_SNORM8;
694 case PIPE_FORMAT_L8_SNORM:
695 return MESA_FORMAT_L_SNORM8;
696 case PIPE_FORMAT_L8A8_SNORM:
697 return MESA_FORMAT_L8A8_SNORM;
698 case PIPE_FORMAT_I8_SNORM:
699 return MESA_FORMAT_I_SNORM8;
700
701 case PIPE_FORMAT_R16_SNORM:
702 return MESA_FORMAT_R_SNORM16;
703 case PIPE_FORMAT_R16G16_SNORM:
704 return MESA_FORMAT_R16G16_SNORM;
705 case PIPE_FORMAT_R16G16B16A16_SNORM:
706 return MESA_FORMAT_RGBA_SNORM16;
707
708 case PIPE_FORMAT_A16_SNORM:
709 return MESA_FORMAT_A_SNORM16;
710 case PIPE_FORMAT_L16_SNORM:
711 return MESA_FORMAT_L_SNORM16;
712 case PIPE_FORMAT_L16A16_SNORM:
713 return MESA_FORMAT_LA_SNORM16;
714 case PIPE_FORMAT_I16_SNORM:
715 return MESA_FORMAT_I_SNORM16;
716
717 case PIPE_FORMAT_R9G9B9E5_FLOAT:
718 return MESA_FORMAT_R9G9B9E5_FLOAT;
719 case PIPE_FORMAT_R11G11B10_FLOAT:
720 return MESA_FORMAT_R11G11B10_FLOAT;
721
722 case PIPE_FORMAT_B10G10R10A2_UINT:
723 return MESA_FORMAT_B10G10R10A2_UINT;
724 case PIPE_FORMAT_R10G10B10A2_UINT:
725 return MESA_FORMAT_R10G10B10A2_UINT;
726
727 case PIPE_FORMAT_B4G4R4X4_UNORM:
728 return MESA_FORMAT_B4G4R4X4_UNORM;
729 case PIPE_FORMAT_B5G5R5X1_UNORM:
730 return MESA_FORMAT_B5G5R5X1_UNORM;
731 case PIPE_FORMAT_R8G8B8X8_SNORM:
732 return MESA_FORMAT_R8G8B8X8_SNORM;
733 case PIPE_FORMAT_R8G8B8X8_SRGB:
734 return MESA_FORMAT_R8G8B8X8_SRGB;
735 case PIPE_FORMAT_R8G8B8X8_UINT:
736 return MESA_FORMAT_RGBX_UINT8;
737 case PIPE_FORMAT_R8G8B8X8_SINT:
738 return MESA_FORMAT_RGBX_SINT8;
739 case PIPE_FORMAT_B10G10R10X2_UNORM:
740 return MESA_FORMAT_B10G10R10X2_UNORM;
741 case PIPE_FORMAT_R16G16B16X16_UNORM:
742 return MESA_FORMAT_RGBX_UNORM16;
743 case PIPE_FORMAT_R16G16B16X16_SNORM:
744 return MESA_FORMAT_RGBX_SNORM16;
745 case PIPE_FORMAT_R16G16B16X16_FLOAT:
746 return MESA_FORMAT_RGBX_FLOAT16;
747 case PIPE_FORMAT_R16G16B16X16_UINT:
748 return MESA_FORMAT_RGBX_UINT16;
749 case PIPE_FORMAT_R16G16B16X16_SINT:
750 return MESA_FORMAT_RGBX_SINT16;
751 case PIPE_FORMAT_R32G32B32X32_FLOAT:
752 return MESA_FORMAT_RGBX_FLOAT32;
753 case PIPE_FORMAT_R32G32B32X32_UINT:
754 return MESA_FORMAT_RGBX_UINT32;
755 case PIPE_FORMAT_R32G32B32X32_SINT:
756 return MESA_FORMAT_RGBX_SINT32;
757
758 case PIPE_FORMAT_B8G8R8X8_SRGB:
759 return MESA_FORMAT_B8G8R8X8_SRGB;
760 case PIPE_FORMAT_R8G8B8A8_SRGB:
761 return MESA_FORMAT_R8G8B8A8_SRGB;
762
763 default:
764 return MESA_FORMAT_NONE;
765 }
766 }
767
768
769 /**
770 * Debug only: check that the two functions above correctly map
771 * Mesa formats to Gallium formats and back again.
772 */
773 static void
774 test_format_conversion(void)
775 {
776 GLuint i;
777
778 /* test all Mesa formats */
779 for (i = 1; i < MESA_FORMAT_COUNT; i++) {
780 enum pipe_format pf = st_mesa_format_to_pipe_format(i);
781 if (pf != PIPE_FORMAT_NONE) {
782 mesa_format mf = st_pipe_format_to_mesa_format(pf);
783 assert(mf == i);
784 }
785 }
786
787 /* Test all Gallium formats */
788 for (i = 1; i < PIPE_FORMAT_COUNT; i++) {
789 mesa_format mf = st_pipe_format_to_mesa_format(i);
790 if (mf != MESA_FORMAT_NONE) {
791 enum pipe_format pf = st_mesa_format_to_pipe_format(mf);
792 assert(pf == i);
793 }
794 }
795 }
796
797
798 /**
799 * Map GL texture formats to Gallium pipe formats.
800 */
801 struct format_mapping
802 {
803 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
804 enum pipe_format pipeFormats[13]; /**< list of pipe formats, 0-terminated */
805 };
806
807
808 #define DEFAULT_RGBA_FORMATS \
809 PIPE_FORMAT_B8G8R8A8_UNORM, \
810 PIPE_FORMAT_R8G8B8A8_UNORM, \
811 PIPE_FORMAT_A8R8G8B8_UNORM, \
812 PIPE_FORMAT_A8B8G8R8_UNORM, \
813 0
814
815 #define DEFAULT_RGB_FORMATS \
816 PIPE_FORMAT_B8G8R8X8_UNORM, \
817 PIPE_FORMAT_R8G8B8X8_UNORM, \
818 PIPE_FORMAT_X8R8G8B8_UNORM, \
819 PIPE_FORMAT_X8B8G8R8_UNORM, \
820 PIPE_FORMAT_B5G6R5_UNORM, \
821 DEFAULT_RGBA_FORMATS
822
823 #define DEFAULT_SRGBA_FORMATS \
824 PIPE_FORMAT_B8G8R8A8_SRGB, \
825 PIPE_FORMAT_A8R8G8B8_SRGB, \
826 PIPE_FORMAT_A8B8G8R8_SRGB, \
827 0
828
829 #define DEFAULT_DEPTH_FORMATS \
830 PIPE_FORMAT_Z24X8_UNORM, \
831 PIPE_FORMAT_X8Z24_UNORM, \
832 PIPE_FORMAT_Z16_UNORM, \
833 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
834 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
835 0
836
837 #define DEFAULT_SNORM8_RGBA_FORMATS \
838 PIPE_FORMAT_R8G8B8A8_SNORM, \
839 0
840
841 #define DEFAULT_UNORM16_RGBA_FORMATS \
842 PIPE_FORMAT_R16G16B16A16_UNORM, \
843 DEFAULT_RGBA_FORMATS
844
845
846 /**
847 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
848 * Multiple GL enums might map to multiple pipe_formats.
849 * The first pipe format in the list that's supported is the one that's chosen.
850 */
851 static const struct format_mapping format_map[] = {
852 /* Basic RGB, RGBA formats */
853 {
854 { GL_RGB10, 0 },
855 { PIPE_FORMAT_B10G10R10X2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
856 DEFAULT_RGB_FORMATS }
857 },
858 {
859 { GL_RGB10_A2, 0 },
860 { PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
861 },
862 {
863 { 4, GL_RGBA, GL_RGBA8, 0 },
864 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
865 },
866 {
867 { GL_BGRA, 0 },
868 { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
869 },
870 {
871 { 3, GL_RGB, GL_RGB8, 0 },
872 { DEFAULT_RGB_FORMATS }
873 },
874 {
875 { GL_RGB12, GL_RGB16, 0 },
876 { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
877 DEFAULT_RGB_FORMATS }
878 },
879 {
880 { GL_RGBA12, GL_RGBA16, 0 },
881 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
882 },
883 {
884 { GL_RGBA4, GL_RGBA2, 0 },
885 { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
886 },
887 {
888 { GL_RGB5_A1, 0 },
889 { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
890 },
891 {
892 { GL_R3_G3_B2, 0 },
893 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
894 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
895 },
896 {
897 { GL_RGB4 },
898 { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
899 DEFAULT_RGB_FORMATS }
900 },
901 {
902 { GL_RGB5 },
903 { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
904 DEFAULT_RGB_FORMATS }
905 },
906 {
907 { GL_RGB565 },
908 { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
909 },
910
911 /* basic Alpha formats */
912 {
913 { GL_ALPHA12, GL_ALPHA16, 0 },
914 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
915 DEFAULT_RGBA_FORMATS }
916 },
917 {
918 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
919 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
920 },
921
922 /* basic Luminance formats */
923 {
924 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
925 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
926 },
927 {
928 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
929 { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
930 },
931
932 /* basic Luminance/Alpha formats */
933 {
934 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
935 GL_LUMINANCE16_ALPHA16, 0},
936 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
937 DEFAULT_RGBA_FORMATS }
938 },
939 {
940 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
941 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
942 },
943 {
944 { GL_LUMINANCE4_ALPHA4, 0 },
945 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
946 DEFAULT_RGBA_FORMATS }
947 },
948
949 /* basic Intensity formats */
950 {
951 { GL_INTENSITY12, GL_INTENSITY16, 0 },
952 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
953 },
954 {
955 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
956 GL_COMPRESSED_INTENSITY, 0 },
957 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
958 },
959
960 /* YCbCr */
961 {
962 { GL_YCBCR_MESA, 0 },
963 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
964 },
965
966 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
967 {
968 { GL_COMPRESSED_RGB, 0 },
969 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
970 },
971 {
972 { GL_COMPRESSED_RGBA, 0 },
973 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
974 },
975 {
976 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
977 { PIPE_FORMAT_DXT1_RGB, 0 }
978 },
979 {
980 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
981 { PIPE_FORMAT_DXT1_RGBA, 0 }
982 },
983 {
984 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
985 { PIPE_FORMAT_DXT3_RGBA, 0 }
986 },
987 {
988 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
989 { PIPE_FORMAT_DXT5_RGBA, 0 }
990 },
991
992 #if 0
993 {
994 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
995 { PIPE_FORMAT_RGB_FXT1, 0 }
996 },
997 {
998 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
999 { PIPE_FORMAT_RGBA_FXT1, 0 }
1000 },
1001 #endif
1002
1003 /* Depth formats */
1004 {
1005 { GL_DEPTH_COMPONENT16, 0 },
1006 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
1007 },
1008 {
1009 { GL_DEPTH_COMPONENT24, 0 },
1010 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
1011 DEFAULT_DEPTH_FORMATS }
1012 },
1013 {
1014 { GL_DEPTH_COMPONENT32, 0 },
1015 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
1016 },
1017 {
1018 { GL_DEPTH_COMPONENT, 0 },
1019 { DEFAULT_DEPTH_FORMATS }
1020 },
1021 {
1022 { GL_DEPTH_COMPONENT32F, 0 },
1023 { PIPE_FORMAT_Z32_FLOAT, 0 }
1024 },
1025
1026 /* stencil formats */
1027 {
1028 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
1029 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
1030 {
1031 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
1032 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
1033 }
1034 },
1035
1036 /* Depth / Stencil formats */
1037 {
1038 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
1039 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
1040 },
1041 {
1042 { GL_DEPTH32F_STENCIL8, 0 },
1043 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1044 },
1045
1046 /* sRGB formats */
1047 {
1048 { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
1049 { PIPE_FORMAT_R8G8B8X8_SRGB, PIPE_FORMAT_B8G8R8X8_SRGB,
1050 DEFAULT_SRGBA_FORMATS }
1051 },
1052 {
1053 { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1054 { DEFAULT_SRGBA_FORMATS }
1055 },
1056 {
1057 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1058 { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
1059 PIPE_FORMAT_B8G8R8X8_SRGB, DEFAULT_SRGBA_FORMATS }
1060 },
1061 {
1062 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1063 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1064 },
1065 {
1066 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1067 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1068 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1069 },
1070 {
1071 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1072 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1073 },
1074 {
1075 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1076 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1077 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1078 },
1079 {
1080 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
1081 0 },
1082 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1083 },
1084
1085 /* 16-bit float formats */
1086 {
1087 { GL_RGBA16F_ARB, 0 },
1088 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1089 },
1090 {
1091 { GL_RGB16F_ARB, 0 },
1092 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
1093 PIPE_FORMAT_R16G16B16A16_FLOAT,
1094 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1095 },
1096 {
1097 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1098 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1099 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1100 },
1101 {
1102 { GL_ALPHA16F_ARB, 0 },
1103 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1104 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1105 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1106 },
1107 {
1108 { GL_INTENSITY16F_ARB, 0 },
1109 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1110 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1111 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1112 },
1113 {
1114 { GL_LUMINANCE16F_ARB, 0 },
1115 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1116 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1117 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1118 },
1119 {
1120 { GL_R16F, 0 },
1121 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1122 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1123 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1124 },
1125 {
1126 { GL_RG16F, 0 },
1127 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1128 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1129 },
1130
1131 /* 32-bit float formats */
1132 {
1133 { GL_RGBA32F_ARB, 0 },
1134 { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1135 },
1136 {
1137 { GL_RGB32F_ARB, 0 },
1138 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
1139 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1140 },
1141 {
1142 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1143 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1144 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1145 },
1146 {
1147 { GL_ALPHA32F_ARB, 0 },
1148 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1149 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
1150 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1151 },
1152 {
1153 { GL_INTENSITY32F_ARB, 0 },
1154 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1155 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
1156 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1157 },
1158 {
1159 { GL_LUMINANCE32F_ARB, 0 },
1160 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1161 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
1162 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1163 },
1164 {
1165 { GL_R32F, 0 },
1166 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1167 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
1168 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1169 },
1170 {
1171 { GL_RG32F, 0 },
1172 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1173 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1174 },
1175
1176 /* R, RG formats */
1177 {
1178 { GL_RED, GL_R8, 0 },
1179 { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1180 },
1181 {
1182 { GL_RG, GL_RG8, 0 },
1183 { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1184 },
1185 {
1186 { GL_R16, 0 },
1187 { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
1188 DEFAULT_UNORM16_RGBA_FORMATS }
1189 },
1190 {
1191 { GL_RG16, 0 },
1192 { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
1193 },
1194
1195 /* compressed R, RG formats */
1196 {
1197 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1198 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
1199 },
1200 {
1201 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1202 { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1203 },
1204 {
1205 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1206 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1207 },
1208 {
1209 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1210 { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1211 },
1212 {
1213 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1214 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
1215 },
1216 {
1217 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1218 { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1219 },
1220 {
1221 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1222 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1223 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1224 },
1225 {
1226 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1227 { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1228 },
1229
1230 /* ETC1 */
1231 {
1232 { GL_ETC1_RGB8_OES, 0 },
1233 { PIPE_FORMAT_ETC1_RGB8, 0 }
1234 },
1235
1236 /* signed/unsigned integer formats.
1237 */
1238 {
1239 { GL_RGBA_INTEGER_EXT,
1240 GL_BGRA_INTEGER_EXT,
1241 GL_RGBA8I_EXT, 0 },
1242 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1243 },
1244 {
1245 { GL_RGB_INTEGER_EXT,
1246 GL_BGR_INTEGER_EXT,
1247 GL_RGB8I_EXT,
1248 GL_BLUE_INTEGER_EXT, 0 },
1249 { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
1250 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1251 },
1252 {
1253 { GL_ALPHA_INTEGER_EXT,
1254 GL_ALPHA8I_EXT, 0 },
1255 { PIPE_FORMAT_A8_SINT, 0 }
1256 },
1257 {
1258 { GL_ALPHA16I_EXT, 0 },
1259 { PIPE_FORMAT_A16_SINT, 0 }
1260 },
1261 {
1262 { GL_ALPHA32I_EXT, 0 },
1263 { PIPE_FORMAT_A32_SINT, 0 }
1264 },
1265 {
1266 { GL_ALPHA8UI_EXT, 0 },
1267 { PIPE_FORMAT_A8_UINT, 0 }
1268 },
1269 {
1270 { GL_ALPHA16UI_EXT, 0 },
1271 { PIPE_FORMAT_A16_UINT, 0 }
1272 },
1273 {
1274 { GL_ALPHA32UI_EXT, 0 },
1275 { PIPE_FORMAT_A32_UINT, 0 }
1276 },
1277 {
1278 { GL_INTENSITY8I_EXT, 0 },
1279 { PIPE_FORMAT_I8_SINT, 0 }
1280 },
1281 {
1282 { GL_INTENSITY16I_EXT, 0 },
1283 { PIPE_FORMAT_I16_SINT, 0 }
1284 },
1285 {
1286 { GL_INTENSITY32I_EXT, 0 },
1287 { PIPE_FORMAT_I32_SINT, 0 }
1288 },
1289 {
1290 { GL_INTENSITY8UI_EXT, 0 },
1291 { PIPE_FORMAT_I8_UINT, 0 }
1292 },
1293 {
1294 { GL_INTENSITY16UI_EXT, 0 },
1295 { PIPE_FORMAT_I16_UINT, 0 }
1296 },
1297 {
1298 { GL_INTENSITY32UI_EXT, 0 },
1299 { PIPE_FORMAT_I32_UINT, 0 }
1300 },
1301 {
1302 { GL_LUMINANCE8I_EXT, 0 },
1303 { PIPE_FORMAT_L8_SINT, 0 }
1304 },
1305 {
1306 { GL_LUMINANCE16I_EXT, 0 },
1307 { PIPE_FORMAT_L16_SINT, 0 }
1308 },
1309 {
1310 { GL_LUMINANCE32I_EXT, 0 },
1311 { PIPE_FORMAT_L32_SINT, 0 }
1312 },
1313 {
1314 { GL_LUMINANCE_INTEGER_EXT,
1315 GL_LUMINANCE8UI_EXT, 0 },
1316 { PIPE_FORMAT_L8_UINT, 0 }
1317 },
1318 {
1319 { GL_LUMINANCE16UI_EXT, 0 },
1320 { PIPE_FORMAT_L16_UINT, 0 }
1321 },
1322 {
1323 { GL_LUMINANCE32UI_EXT, 0 },
1324 { PIPE_FORMAT_L32_UINT, 0 }
1325 },
1326 {
1327 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1328 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1329 { PIPE_FORMAT_L8A8_SINT, 0 }
1330 },
1331 {
1332 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1333 { PIPE_FORMAT_L16A16_SINT, 0 }
1334 },
1335 {
1336 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1337 { PIPE_FORMAT_L32A32_SINT, 0 }
1338 },
1339 {
1340 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1341 { PIPE_FORMAT_L8A8_UINT, 0 }
1342 },
1343 {
1344 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1345 { PIPE_FORMAT_L16A16_UINT, 0 }
1346 },
1347 {
1348 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1349 { PIPE_FORMAT_L32A32_UINT, 0 }
1350 },
1351 {
1352 { GL_RGB16I_EXT, 0 },
1353 { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
1354 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1355 },
1356 {
1357 { GL_RGBA16I_EXT, 0 },
1358 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1359 },
1360 {
1361 { GL_RGB32I_EXT, 0 },
1362 { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
1363 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1364 },
1365 {
1366 { GL_RGBA32I_EXT, 0 },
1367 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1368 },
1369 {
1370 { GL_RGBA8UI_EXT, 0 },
1371 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1372 },
1373 {
1374 { GL_RGB8UI_EXT, 0 },
1375 { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
1376 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1377 },
1378 {
1379 { GL_RGB16UI_EXT, 0 },
1380 { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
1381 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1382 },
1383 {
1384 { GL_RGBA16UI_EXT, 0 },
1385 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1386 },
1387 {
1388 { GL_RGB32UI_EXT, 0},
1389 { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
1390 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1391 },
1392 {
1393 { GL_RGBA32UI_EXT, 0},
1394 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1395 },
1396 {
1397 { GL_R8I, GL_RED_INTEGER_EXT, 0},
1398 { PIPE_FORMAT_R8_SINT, 0},
1399 },
1400 {
1401 { GL_R16I, 0},
1402 { PIPE_FORMAT_R16_SINT, 0},
1403 },
1404 {
1405 { GL_R32I, 0},
1406 { PIPE_FORMAT_R32_SINT, 0},
1407 },
1408 {
1409 { GL_R8UI, 0},
1410 { PIPE_FORMAT_R8_UINT, 0},
1411 },
1412 {
1413 { GL_R16UI, 0},
1414 { PIPE_FORMAT_R16_UINT, 0},
1415 },
1416 {
1417 { GL_R32UI, 0},
1418 { PIPE_FORMAT_R32_UINT, 0},
1419 },
1420 {
1421 { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
1422 { PIPE_FORMAT_R8G8_SINT, 0},
1423 },
1424 {
1425 { GL_RG16I, 0},
1426 { PIPE_FORMAT_R16G16_SINT, 0},
1427 },
1428 {
1429 { GL_RG32I, 0},
1430 { PIPE_FORMAT_R32G32_SINT, 0},
1431 },
1432 {
1433 { GL_RG8UI, 0},
1434 { PIPE_FORMAT_R8G8_UINT, 0},
1435 },
1436 {
1437 { GL_RG16UI, 0},
1438 { PIPE_FORMAT_R16G16_UINT, 0},
1439 },
1440 {
1441 { GL_RG32UI, 0},
1442 { PIPE_FORMAT_R32G32_UINT, 0},
1443 },
1444 /* signed normalized formats */
1445 {
1446 { GL_RED_SNORM, GL_R8_SNORM, 0 },
1447 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
1448 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1449 },
1450 {
1451 { GL_R16_SNORM, 0 },
1452 { PIPE_FORMAT_R16_SNORM,
1453 PIPE_FORMAT_R16G16_SNORM,
1454 PIPE_FORMAT_R16G16B16A16_SNORM,
1455 PIPE_FORMAT_R8_SNORM,
1456 PIPE_FORMAT_R8G8_SNORM,
1457 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1458 },
1459 {
1460 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
1461 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1462 },
1463 {
1464 { GL_RG16_SNORM, 0 },
1465 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1466 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1467 },
1468 {
1469 { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
1470 { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1471 },
1472 {
1473 { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
1474 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1475 },
1476 {
1477 { GL_RGB16_SNORM, 0 },
1478 { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1479 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1480 },
1481 {
1482 { GL_RGBA16_SNORM, 0 },
1483 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1484 },
1485 {
1486 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
1487 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1488 },
1489 {
1490 { GL_ALPHA16_SNORM, 0 },
1491 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1492 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1493 },
1494 {
1495 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
1496 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1497 },
1498 {
1499 { GL_LUMINANCE16_SNORM, 0 },
1500 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1501 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1502 },
1503 {
1504 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
1505 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1506 },
1507 {
1508 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
1509 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1510 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1511 },
1512 {
1513 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
1514 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1515 },
1516 {
1517 { GL_INTENSITY16_SNORM, 0 },
1518 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1519 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1520 },
1521 {
1522 { GL_RGB9_E5, 0 },
1523 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
1524 },
1525 {
1526 { GL_R11F_G11F_B10F, 0 },
1527 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
1528 },
1529 {
1530 { GL_RGB10_A2UI, 0 },
1531 { PIPE_FORMAT_R10G10B10A2_UINT, PIPE_FORMAT_B10G10R10A2_UINT, 0 }
1532 },
1533 };
1534
1535
1536 /**
1537 * Return first supported format from the given list.
1538 * \param allow_dxt indicates whether it's OK to return a DXT format.
1539 */
1540 static enum pipe_format
1541 find_supported_format(struct pipe_screen *screen,
1542 const enum pipe_format formats[],
1543 enum pipe_texture_target target,
1544 unsigned sample_count,
1545 unsigned tex_usage,
1546 boolean allow_dxt)
1547 {
1548 uint i;
1549 for (i = 0; formats[i]; i++) {
1550 if (screen->is_format_supported(screen, formats[i], target,
1551 sample_count, tex_usage)) {
1552 if (!allow_dxt && util_format_is_s3tc(formats[i])) {
1553 /* we can't return a dxt format, continue searching */
1554 continue;
1555 }
1556
1557 return formats[i];
1558 }
1559 }
1560 return PIPE_FORMAT_NONE;
1561 }
1562
1563 struct exact_format_mapping
1564 {
1565 GLenum format;
1566 GLenum type;
1567 enum pipe_format pformat;
1568 };
1569
1570 static const struct exact_format_mapping rgba8888_tbl[] =
1571 {
1572 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ABGR8888_UNORM },
1573 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_ABGR8888_UNORM },
1574 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBA8888_UNORM },
1575 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBA8888_UNORM },
1576 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ARGB8888_UNORM },
1577 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRA8888_UNORM },
1578 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
1579 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
1580 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
1581 { 0, 0, 0 }
1582 };
1583
1584 static const struct exact_format_mapping rgbx8888_tbl[] =
1585 {
1586 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XBGR8888_UNORM },
1587 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_XBGR8888_UNORM },
1588 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBX8888_UNORM },
1589 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBX8888_UNORM },
1590 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XRGB8888_UNORM },
1591 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRX8888_UNORM },
1592 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1593 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1594 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
1595 { 0, 0, 0 }
1596 };
1597
1598 static const struct exact_format_mapping rgba1010102_tbl[] =
1599 {
1600 { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
1601 /* No Mesa formats for these Gallium formats:
1602 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1603 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1604 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1605 */
1606 { 0, 0, 0 }
1607 };
1608
1609 /**
1610 * If there is an exact pipe_format match for {internalFormat, format, type}
1611 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1612 */
1613 static enum pipe_format
1614 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
1615 {
1616 uint i;
1617 const struct exact_format_mapping* tbl;
1618
1619 if (format == GL_NONE || type == GL_NONE)
1620 return PIPE_FORMAT_NONE;
1621
1622 switch (internalFormat) {
1623 case 4:
1624 case GL_RGBA:
1625 case GL_RGBA8:
1626 tbl = rgba8888_tbl;
1627 break;
1628 case 3:
1629 case GL_RGB:
1630 case GL_RGB8:
1631 tbl = rgbx8888_tbl;
1632 break;
1633 case GL_RGB10_A2:
1634 tbl = rgba1010102_tbl;
1635 break;
1636 default:
1637 return PIPE_FORMAT_NONE;
1638 }
1639
1640 for (i = 0; tbl[i].format; i++)
1641 if (tbl[i].format == format && tbl[i].type == type)
1642 return tbl[i].pformat;
1643
1644 return PIPE_FORMAT_NONE;
1645 }
1646
1647 /**
1648 * Given an OpenGL internalFormat value for a texture or surface, return
1649 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1650 * This is called during glTexImage2D, for example.
1651 *
1652 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1653 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1654 * we want render-to-texture ability.
1655 *
1656 * \param internalFormat the user value passed to glTexImage2D
1657 * \param target one of PIPE_TEXTURE_x
1658 * \param bindings bitmask of PIPE_BIND_x flags.
1659 * \param allow_dxt indicates whether it's OK to return a DXT format. This
1660 * only matters when internalFormat names a generic or
1661 * specific compressed format. And that should only happen
1662 * when we're getting called from gl[Copy]TexImage().
1663 */
1664 enum pipe_format
1665 st_choose_format(struct st_context *st, GLenum internalFormat,
1666 GLenum format, GLenum type,
1667 enum pipe_texture_target target, unsigned sample_count,
1668 unsigned bindings, boolean allow_dxt)
1669 {
1670 struct pipe_screen *screen = st->pipe->screen;
1671 int i, j;
1672 enum pipe_format pf;
1673
1674 #ifdef DEBUG
1675 {
1676 static boolean firstCall = TRUE;
1677 if (firstCall) {
1678 test_format_conversion();
1679 firstCall = FALSE;
1680 }
1681 }
1682 #else
1683 (void) test_format_conversion;
1684 #endif
1685
1686 /* can't render to compressed formats at this time */
1687 if (_mesa_is_compressed_format(st->ctx, internalFormat)
1688 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
1689 return PIPE_FORMAT_NONE;
1690 }
1691
1692 /* search for exact matches */
1693 pf = find_exact_format(internalFormat, format, type);
1694 if (pf != PIPE_FORMAT_NONE &&
1695 screen->is_format_supported(screen, pf,
1696 target, sample_count, bindings))
1697 return pf;
1698
1699 /* search table for internalFormat */
1700 for (i = 0; i < Elements(format_map); i++) {
1701 const struct format_mapping *mapping = &format_map[i];
1702 for (j = 0; mapping->glFormats[j]; j++) {
1703 if (mapping->glFormats[j] == internalFormat) {
1704 /* Found the desired internal format. Find first pipe format
1705 * which is supported by the driver.
1706 */
1707 return find_supported_format(screen, mapping->pipeFormats,
1708 target, sample_count, bindings,
1709 allow_dxt);
1710 }
1711 }
1712 }
1713
1714 _mesa_problem(NULL, "unhandled format!\n");
1715 return PIPE_FORMAT_NONE;
1716 }
1717
1718
1719 /**
1720 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1721 */
1722 enum pipe_format
1723 st_choose_renderbuffer_format(struct st_context *st,
1724 GLenum internalFormat, unsigned sample_count)
1725 {
1726 uint usage;
1727 if (_mesa_is_depth_or_stencil_format(internalFormat))
1728 usage = PIPE_BIND_DEPTH_STENCIL;
1729 else
1730 usage = PIPE_BIND_RENDER_TARGET;
1731 return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1732 PIPE_TEXTURE_2D, sample_count, usage, FALSE);
1733 }
1734
1735
1736 /**
1737 * Given an OpenGL user-requested format and type, and swapBytes state,
1738 * return the format which exactly matches those parameters, so that
1739 * a memcpy-based transfer can be done.
1740 *
1741 * If no format is supported, return PIPE_FORMAT_NONE.
1742 */
1743 enum pipe_format
1744 st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
1745 GLenum format, GLenum type, GLboolean swapBytes)
1746 {
1747 mesa_format mesa_format;
1748
1749 for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
1750 if (_mesa_get_format_color_encoding(mesa_format) == GL_SRGB) {
1751 continue;
1752 }
1753
1754 if (_mesa_format_matches_format_and_type(mesa_format, format, type,
1755 swapBytes)) {
1756 enum pipe_format format = st_mesa_format_to_pipe_format(mesa_format);
1757
1758 if (format &&
1759 screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0,
1760 bind)) {
1761 return format;
1762 }
1763 /* It's unlikely to find 2 matching Mesa formats. */
1764 break;
1765 }
1766 }
1767 return PIPE_FORMAT_NONE;
1768 }
1769
1770
1771 /**
1772 * Called via ctx->Driver.ChooseTextureFormat().
1773 */
1774 mesa_format
1775 st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
1776 GLint internalFormat,
1777 GLenum format, GLenum type)
1778 {
1779 const boolean want_renderable =
1780 internalFormat == 3 || internalFormat == 4 ||
1781 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
1782 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
1783 internalFormat == GL_BGRA;
1784 struct st_context *st = st_context(ctx);
1785 enum pipe_format pFormat;
1786 unsigned bindings;
1787 enum pipe_texture_target pTarget = gl_target_to_pipe(target);
1788
1789 if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
1790 /* We don't do compression for these texture targets because of
1791 * difficulty with sub-texture updates on non-block boundaries, etc.
1792 * So change the internal format request to an uncompressed format.
1793 */
1794 internalFormat =
1795 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
1796 }
1797
1798 /* GL textures may wind up being render targets, but we don't know
1799 * that in advance. Specify potential render target flags now.
1800 */
1801 bindings = PIPE_BIND_SAMPLER_VIEW;
1802 if (want_renderable) {
1803 if (_mesa_is_depth_or_stencil_format(internalFormat))
1804 bindings |= PIPE_BIND_DEPTH_STENCIL;
1805 else
1806 bindings |= PIPE_BIND_RENDER_TARGET;
1807 }
1808
1809 /* GLES allows the driver to choose any format which matches
1810 * the format+type combo, because GLES only supports unsized internal
1811 * formats and expects the driver to choose whatever suits it.
1812 */
1813 if (_mesa_is_gles(ctx)) {
1814 GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
1815 GLenum basePackFormat = _mesa_base_pack_format(format);
1816 GLenum iformat = internalFormat;
1817
1818 /* Treat GL_BGRA as GL_RGBA. */
1819 if (iformat == GL_BGRA)
1820 iformat = GL_RGBA;
1821
1822 /* Check if the internalformat is unsized and compatible
1823 * with the "format".
1824 */
1825 if (iformat == baseFormat && iformat == basePackFormat) {
1826 pFormat = st_choose_matching_format(st->pipe->screen, bindings,
1827 format, type,
1828 ctx->Unpack.SwapBytes);
1829
1830 if (pFormat != PIPE_FORMAT_NONE)
1831 return st_pipe_format_to_mesa_format(pFormat);
1832
1833 /* try choosing format again, this time without render target bindings */
1834 pFormat = st_choose_matching_format(st->pipe->screen,
1835 PIPE_BIND_SAMPLER_VIEW,
1836 format, type,
1837 ctx->Unpack.SwapBytes);
1838 if (pFormat != PIPE_FORMAT_NONE)
1839 return st_pipe_format_to_mesa_format(pFormat);
1840 }
1841 }
1842
1843 pFormat = st_choose_format(st, internalFormat, format, type,
1844 pTarget, 0, bindings, ctx->Mesa_DXTn);
1845
1846 if (pFormat == PIPE_FORMAT_NONE) {
1847 /* try choosing format again, this time without render target bindings */
1848 pFormat = st_choose_format(st, internalFormat, format, type,
1849 pTarget, 0, PIPE_BIND_SAMPLER_VIEW,
1850 ctx->Mesa_DXTn);
1851 }
1852
1853 if (pFormat == PIPE_FORMAT_NONE) {
1854 /* no luck at all */
1855 return MESA_FORMAT_NONE;
1856 }
1857
1858 return st_pipe_format_to_mesa_format(pFormat);
1859 }
1860
1861
1862 /**
1863 * Called via ctx->Driver.ChooseTextureFormat().
1864 */
1865 size_t
1866 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
1867 GLenum internalFormat, int samples[16])
1868 {
1869 struct st_context *st = st_context(ctx);
1870 enum pipe_format format;
1871 unsigned i, bind, num_sample_counts = 0;
1872
1873 (void) target;
1874
1875 if (_mesa_is_depth_or_stencil_format(internalFormat))
1876 bind = PIPE_BIND_DEPTH_STENCIL;
1877 else
1878 bind = PIPE_BIND_RENDER_TARGET;
1879
1880 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
1881 * formats.
1882 */
1883 if (!ctx->Extensions.EXT_framebuffer_sRGB) {
1884 internalFormat = _mesa_get_linear_internalformat(internalFormat);
1885 }
1886
1887 /* Set sample counts in descending order. */
1888 for (i = 16; i > 1; i--) {
1889 format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1890 PIPE_TEXTURE_2D, i, bind, FALSE);
1891
1892 if (format != PIPE_FORMAT_NONE) {
1893 samples[num_sample_counts++] = i;
1894 }
1895 }
1896
1897 if (!num_sample_counts) {
1898 samples[num_sample_counts++] = 1;
1899 }
1900
1901 return num_sample_counts;
1902 }
1903
1904
1905 /**
1906 * This is used for translating texture border color and the clear
1907 * color. For example, the clear color is interpreted according to
1908 * the renderbuffer's base format. For example, if clearing a
1909 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1910 * colorOut[2] = colorIn[0].
1911 * Similarly for texture border colors.
1912 */
1913 void
1914 st_translate_color(const union gl_color_union *colorIn,
1915 union pipe_color_union *colorOut,
1916 GLenum baseFormat, GLboolean is_integer)
1917 {
1918 if (is_integer) {
1919 const int *in = colorIn->i;
1920 int *out = colorOut->i;
1921
1922 switch (baseFormat) {
1923 case GL_RED:
1924 out[0] = in[0];
1925 out[1] = 0;
1926 out[2] = 0;
1927 out[3] = 1;
1928 break;
1929 case GL_RG:
1930 out[0] = in[0];
1931 out[1] = in[1];
1932 out[2] = 0;
1933 out[3] = 1;
1934 break;
1935 case GL_RGB:
1936 out[0] = in[0];
1937 out[1] = in[1];
1938 out[2] = in[2];
1939 out[3] = 1;
1940 break;
1941 case GL_ALPHA:
1942 out[0] = out[1] = out[2] = 0;
1943 out[3] = in[3];
1944 break;
1945 case GL_LUMINANCE:
1946 out[0] = out[1] = out[2] = in[0];
1947 out[3] = 1;
1948 break;
1949 case GL_LUMINANCE_ALPHA:
1950 out[0] = out[1] = out[2] = in[0];
1951 out[3] = in[3];
1952 break;
1953 case GL_INTENSITY:
1954 out[0] = out[1] = out[2] = out[3] = in[0];
1955 break;
1956 default:
1957 COPY_4V(out, in);
1958 }
1959 }
1960 else {
1961 const float *in = colorIn->f;
1962 float *out = colorOut->f;
1963
1964 switch (baseFormat) {
1965 case GL_RED:
1966 out[0] = in[0];
1967 out[1] = 0.0F;
1968 out[2] = 0.0F;
1969 out[3] = 1.0F;
1970 break;
1971 case GL_RG:
1972 out[0] = in[0];
1973 out[1] = in[1];
1974 out[2] = 0.0F;
1975 out[3] = 1.0F;
1976 break;
1977 case GL_RGB:
1978 out[0] = in[0];
1979 out[1] = in[1];
1980 out[2] = in[2];
1981 out[3] = 1.0F;
1982 break;
1983 case GL_ALPHA:
1984 out[0] = out[1] = out[2] = 0.0F;
1985 out[3] = in[3];
1986 break;
1987 case GL_LUMINANCE:
1988 out[0] = out[1] = out[2] = in[0];
1989 out[3] = 1.0F;
1990 break;
1991 case GL_LUMINANCE_ALPHA:
1992 out[0] = out[1] = out[2] = in[0];
1993 out[3] = in[3];
1994 break;
1995 case GL_INTENSITY:
1996 out[0] = out[1] = out[2] = out[3] = in[0];
1997 break;
1998 default:
1999 COPY_4V(out, in);
2000 }
2001 }
2002 }