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gallium: Add the ASTC 3D formats.
[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/enums.h"
38 #include "main/formats.h"
39 #include "main/glformats.h"
40 #include "main/texcompress.h"
41 #include "main/texgetimage.h"
42 #include "main/teximage.h"
43 #include "main/texstore.h"
44 #include "main/image.h"
45 #include "main/macros.h"
46 #include "main/formatquery.h"
47
48 #include "pipe/p_context.h"
49 #include "pipe/p_defines.h"
50 #include "pipe/p_screen.h"
51 #include "util/u_format.h"
52 #include "st_cb_texture.h"
53 #include "st_context.h"
54 #include "st_format.h"
55 #include "st_texture.h"
56
57
58 /**
59 * Translate Mesa format to Gallium format.
60 */
61 enum pipe_format
62 st_mesa_format_to_pipe_format(const struct st_context *st,
63 mesa_format mesaFormat)
64 {
65 struct pipe_screen *screen = st->pipe->screen;
66 bool has_bgra_srgb = screen->is_format_supported(screen,
67 PIPE_FORMAT_B8G8R8A8_SRGB,
68 PIPE_TEXTURE_2D, 0, 0,
69 PIPE_BIND_SAMPLER_VIEW);
70
71 switch (mesaFormat) {
72 case MESA_FORMAT_A8B8G8R8_UNORM:
73 return PIPE_FORMAT_ABGR8888_UNORM;
74 case MESA_FORMAT_R8G8B8A8_UNORM:
75 return PIPE_FORMAT_RGBA8888_UNORM;
76 case MESA_FORMAT_B8G8R8A8_UNORM:
77 return PIPE_FORMAT_BGRA8888_UNORM;
78 case MESA_FORMAT_A8R8G8B8_UNORM:
79 return PIPE_FORMAT_ARGB8888_UNORM;
80 case MESA_FORMAT_X8B8G8R8_UNORM:
81 return PIPE_FORMAT_XBGR8888_UNORM;
82 case MESA_FORMAT_R8G8B8X8_UNORM:
83 return PIPE_FORMAT_RGBX8888_UNORM;
84 case MESA_FORMAT_B8G8R8X8_UNORM:
85 return PIPE_FORMAT_BGRX8888_UNORM;
86 case MESA_FORMAT_X8R8G8B8_UNORM:
87 return PIPE_FORMAT_XRGB8888_UNORM;
88 case MESA_FORMAT_B5G5R5A1_UNORM:
89 return PIPE_FORMAT_B5G5R5A1_UNORM;
90 case MESA_FORMAT_A1B5G5R5_UNORM:
91 return PIPE_FORMAT_A1B5G5R5_UNORM;
92 case MESA_FORMAT_B4G4R4A4_UNORM:
93 return PIPE_FORMAT_B4G4R4A4_UNORM;
94 case MESA_FORMAT_A4B4G4R4_UNORM:
95 return PIPE_FORMAT_A4B4G4R4_UNORM;
96 case MESA_FORMAT_B5G6R5_UNORM:
97 return PIPE_FORMAT_B5G6R5_UNORM;
98 case MESA_FORMAT_B2G3R3_UNORM:
99 return PIPE_FORMAT_B2G3R3_UNORM;
100 case MESA_FORMAT_B10G10R10A2_UNORM:
101 return PIPE_FORMAT_B10G10R10A2_UNORM;
102 case MESA_FORMAT_R10G10B10A2_UNORM:
103 return PIPE_FORMAT_R10G10B10A2_UNORM;
104 case MESA_FORMAT_R10G10B10X2_UNORM:
105 return PIPE_FORMAT_R10G10B10X2_UNORM;
106 case MESA_FORMAT_L4A4_UNORM:
107 return PIPE_FORMAT_L4A4_UNORM;
108 case MESA_FORMAT_L8A8_UNORM:
109 return PIPE_FORMAT_LA88_UNORM;
110 case MESA_FORMAT_A8L8_UNORM:
111 return PIPE_FORMAT_AL88_UNORM;
112 case MESA_FORMAT_L16A16_UNORM:
113 return PIPE_FORMAT_LA1616_UNORM;
114 case MESA_FORMAT_A16L16_UNORM:
115 return PIPE_FORMAT_AL1616_UNORM;
116 case MESA_FORMAT_A_UNORM8:
117 return PIPE_FORMAT_A8_UNORM;
118 case MESA_FORMAT_A_UNORM16:
119 return PIPE_FORMAT_A16_UNORM;
120 case MESA_FORMAT_L_UNORM8:
121 return PIPE_FORMAT_L8_UNORM;
122 case MESA_FORMAT_L_UNORM16:
123 return PIPE_FORMAT_L16_UNORM;
124 case MESA_FORMAT_I_UNORM8:
125 return PIPE_FORMAT_I8_UNORM;
126 case MESA_FORMAT_I_UNORM16:
127 return PIPE_FORMAT_I16_UNORM;
128 case MESA_FORMAT_Z_UNORM16:
129 return PIPE_FORMAT_Z16_UNORM;
130 case MESA_FORMAT_Z_UNORM32:
131 return PIPE_FORMAT_Z32_UNORM;
132 case MESA_FORMAT_S8_UINT_Z24_UNORM:
133 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
134 case MESA_FORMAT_Z24_UNORM_S8_UINT:
135 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
136 case MESA_FORMAT_X8_UINT_Z24_UNORM:
137 return PIPE_FORMAT_X8Z24_UNORM;
138 case MESA_FORMAT_Z24_UNORM_X8_UINT:
139 return PIPE_FORMAT_Z24X8_UNORM;
140 case MESA_FORMAT_S_UINT8:
141 return PIPE_FORMAT_S8_UINT;
142 case MESA_FORMAT_Z_FLOAT32:
143 return PIPE_FORMAT_Z32_FLOAT;
144 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
145 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
146 case MESA_FORMAT_YCBCR:
147 return PIPE_FORMAT_UYVY;
148 case MESA_FORMAT_YCBCR_REV:
149 return PIPE_FORMAT_YUYV;
150 case MESA_FORMAT_RGB_DXT1:
151 return PIPE_FORMAT_DXT1_RGB;
152 case MESA_FORMAT_RGBA_DXT1:
153 return PIPE_FORMAT_DXT1_RGBA;
154 case MESA_FORMAT_RGBA_DXT3:
155 return PIPE_FORMAT_DXT3_RGBA;
156 case MESA_FORMAT_RGBA_DXT5:
157 return PIPE_FORMAT_DXT5_RGBA;
158 case MESA_FORMAT_SRGB_DXT1:
159 return PIPE_FORMAT_DXT1_SRGB;
160 case MESA_FORMAT_SRGBA_DXT1:
161 return PIPE_FORMAT_DXT1_SRGBA;
162 case MESA_FORMAT_SRGBA_DXT3:
163 return PIPE_FORMAT_DXT3_SRGBA;
164 case MESA_FORMAT_SRGBA_DXT5:
165 return PIPE_FORMAT_DXT5_SRGBA;
166 case MESA_FORMAT_L8A8_SRGB:
167 return PIPE_FORMAT_LA88_SRGB;
168 case MESA_FORMAT_A8L8_SRGB:
169 return PIPE_FORMAT_AL88_SRGB;
170 case MESA_FORMAT_L_SRGB8:
171 return PIPE_FORMAT_L8_SRGB;
172 case MESA_FORMAT_R_SRGB8:
173 return PIPE_FORMAT_R8_SRGB;
174 case MESA_FORMAT_BGR_SRGB8:
175 return PIPE_FORMAT_R8G8B8_SRGB;
176 case MESA_FORMAT_A8B8G8R8_SRGB:
177 return PIPE_FORMAT_ABGR8888_SRGB;
178 case MESA_FORMAT_R8G8B8A8_SRGB:
179 return PIPE_FORMAT_RGBA8888_SRGB;
180 case MESA_FORMAT_B8G8R8A8_SRGB:
181 return PIPE_FORMAT_BGRA8888_SRGB;
182 case MESA_FORMAT_A8R8G8B8_SRGB:
183 return PIPE_FORMAT_ARGB8888_SRGB;
184 case MESA_FORMAT_RGBA_FLOAT32:
185 return PIPE_FORMAT_R32G32B32A32_FLOAT;
186 case MESA_FORMAT_RGBA_FLOAT16:
187 return PIPE_FORMAT_R16G16B16A16_FLOAT;
188 case MESA_FORMAT_RGB_FLOAT32:
189 return PIPE_FORMAT_R32G32B32_FLOAT;
190 case MESA_FORMAT_RGB_FLOAT16:
191 return PIPE_FORMAT_R16G16B16_FLOAT;
192 case MESA_FORMAT_LA_FLOAT32:
193 return PIPE_FORMAT_L32A32_FLOAT;
194 case MESA_FORMAT_LA_FLOAT16:
195 return PIPE_FORMAT_L16A16_FLOAT;
196 case MESA_FORMAT_L_FLOAT32:
197 return PIPE_FORMAT_L32_FLOAT;
198 case MESA_FORMAT_L_FLOAT16:
199 return PIPE_FORMAT_L16_FLOAT;
200 case MESA_FORMAT_A_FLOAT32:
201 return PIPE_FORMAT_A32_FLOAT;
202 case MESA_FORMAT_A_FLOAT16:
203 return PIPE_FORMAT_A16_FLOAT;
204 case MESA_FORMAT_I_FLOAT32:
205 return PIPE_FORMAT_I32_FLOAT;
206 case MESA_FORMAT_I_FLOAT16:
207 return PIPE_FORMAT_I16_FLOAT;
208 case MESA_FORMAT_R_FLOAT32:
209 return PIPE_FORMAT_R32_FLOAT;
210 case MESA_FORMAT_R_FLOAT16:
211 return PIPE_FORMAT_R16_FLOAT;
212 case MESA_FORMAT_RG_FLOAT32:
213 return PIPE_FORMAT_R32G32_FLOAT;
214 case MESA_FORMAT_RG_FLOAT16:
215 return PIPE_FORMAT_R16G16_FLOAT;
216
217 case MESA_FORMAT_R_UNORM8:
218 return PIPE_FORMAT_R8_UNORM;
219 case MESA_FORMAT_R_UNORM16:
220 return PIPE_FORMAT_R16_UNORM;
221 case MESA_FORMAT_R8G8_UNORM:
222 return PIPE_FORMAT_RG88_UNORM;
223 case MESA_FORMAT_G8R8_UNORM:
224 return PIPE_FORMAT_GR88_UNORM;
225 case MESA_FORMAT_R16G16_UNORM:
226 return PIPE_FORMAT_RG1616_UNORM;
227 case MESA_FORMAT_G16R16_UNORM:
228 return PIPE_FORMAT_GR1616_UNORM;
229 case MESA_FORMAT_RGBA_UNORM16:
230 return PIPE_FORMAT_R16G16B16A16_UNORM;
231
232 /* signed int formats */
233 case MESA_FORMAT_A_UINT8:
234 return PIPE_FORMAT_A8_UINT;
235 case MESA_FORMAT_A_UINT16:
236 return PIPE_FORMAT_A16_UINT;
237 case MESA_FORMAT_A_UINT32:
238 return PIPE_FORMAT_A32_UINT;
239
240 case MESA_FORMAT_A_SINT8:
241 return PIPE_FORMAT_A8_SINT;
242 case MESA_FORMAT_A_SINT16:
243 return PIPE_FORMAT_A16_SINT;
244 case MESA_FORMAT_A_SINT32:
245 return PIPE_FORMAT_A32_SINT;
246
247 case MESA_FORMAT_I_UINT8:
248 return PIPE_FORMAT_I8_UINT;
249 case MESA_FORMAT_I_UINT16:
250 return PIPE_FORMAT_I16_UINT;
251 case MESA_FORMAT_I_UINT32:
252 return PIPE_FORMAT_I32_UINT;
253
254 case MESA_FORMAT_I_SINT8:
255 return PIPE_FORMAT_I8_SINT;
256 case MESA_FORMAT_I_SINT16:
257 return PIPE_FORMAT_I16_SINT;
258 case MESA_FORMAT_I_SINT32:
259 return PIPE_FORMAT_I32_SINT;
260
261 case MESA_FORMAT_L_UINT8:
262 return PIPE_FORMAT_L8_UINT;
263 case MESA_FORMAT_L_UINT16:
264 return PIPE_FORMAT_L16_UINT;
265 case MESA_FORMAT_L_UINT32:
266 return PIPE_FORMAT_L32_UINT;
267
268 case MESA_FORMAT_L_SINT8:
269 return PIPE_FORMAT_L8_SINT;
270 case MESA_FORMAT_L_SINT16:
271 return PIPE_FORMAT_L16_SINT;
272 case MESA_FORMAT_L_SINT32:
273 return PIPE_FORMAT_L32_SINT;
274
275 case MESA_FORMAT_LA_UINT8:
276 return PIPE_FORMAT_L8A8_UINT;
277 case MESA_FORMAT_LA_UINT16:
278 return PIPE_FORMAT_L16A16_UINT;
279 case MESA_FORMAT_LA_UINT32:
280 return PIPE_FORMAT_L32A32_UINT;
281
282 case MESA_FORMAT_LA_SINT8:
283 return PIPE_FORMAT_L8A8_SINT;
284 case MESA_FORMAT_LA_SINT16:
285 return PIPE_FORMAT_L16A16_SINT;
286 case MESA_FORMAT_LA_SINT32:
287 return PIPE_FORMAT_L32A32_SINT;
288
289 case MESA_FORMAT_R_SINT8:
290 return PIPE_FORMAT_R8_SINT;
291 case MESA_FORMAT_RG_SINT8:
292 return PIPE_FORMAT_R8G8_SINT;
293 case MESA_FORMAT_RGB_SINT8:
294 return PIPE_FORMAT_R8G8B8_SINT;
295 case MESA_FORMAT_RGBA_SINT8:
296 return PIPE_FORMAT_R8G8B8A8_SINT;
297 case MESA_FORMAT_R_SINT16:
298 return PIPE_FORMAT_R16_SINT;
299 case MESA_FORMAT_RG_SINT16:
300 return PIPE_FORMAT_R16G16_SINT;
301 case MESA_FORMAT_RGB_SINT16:
302 return PIPE_FORMAT_R16G16B16_SINT;
303 case MESA_FORMAT_RGBA_SINT16:
304 return PIPE_FORMAT_R16G16B16A16_SINT;
305 case MESA_FORMAT_R_SINT32:
306 return PIPE_FORMAT_R32_SINT;
307 case MESA_FORMAT_RG_SINT32:
308 return PIPE_FORMAT_R32G32_SINT;
309 case MESA_FORMAT_RGB_SINT32:
310 return PIPE_FORMAT_R32G32B32_SINT;
311 case MESA_FORMAT_RGBA_SINT32:
312 return PIPE_FORMAT_R32G32B32A32_SINT;
313
314 /* unsigned int formats */
315 case MESA_FORMAT_R_UINT8:
316 return PIPE_FORMAT_R8_UINT;
317 case MESA_FORMAT_RG_UINT8:
318 return PIPE_FORMAT_R8G8_UINT;
319 case MESA_FORMAT_RGB_UINT8:
320 return PIPE_FORMAT_R8G8B8_UINT;
321 case MESA_FORMAT_RGBA_UINT8:
322 return PIPE_FORMAT_R8G8B8A8_UINT;
323 case MESA_FORMAT_R_UINT16:
324 return PIPE_FORMAT_R16_UINT;
325 case MESA_FORMAT_RG_UINT16:
326 return PIPE_FORMAT_R16G16_UINT;
327 case MESA_FORMAT_RGB_UINT16:
328 return PIPE_FORMAT_R16G16B16_UINT;
329 case MESA_FORMAT_RGBA_UINT16:
330 return PIPE_FORMAT_R16G16B16A16_UINT;
331 case MESA_FORMAT_R_UINT32:
332 return PIPE_FORMAT_R32_UINT;
333 case MESA_FORMAT_RG_UINT32:
334 return PIPE_FORMAT_R32G32_UINT;
335 case MESA_FORMAT_RGB_UINT32:
336 return PIPE_FORMAT_R32G32B32_UINT;
337 case MESA_FORMAT_RGBA_UINT32:
338 return PIPE_FORMAT_R32G32B32A32_UINT;
339
340 case MESA_FORMAT_R_RGTC1_UNORM:
341 return PIPE_FORMAT_RGTC1_UNORM;
342 case MESA_FORMAT_R_RGTC1_SNORM:
343 return PIPE_FORMAT_RGTC1_SNORM;
344 case MESA_FORMAT_RG_RGTC2_UNORM:
345 return PIPE_FORMAT_RGTC2_UNORM;
346 case MESA_FORMAT_RG_RGTC2_SNORM:
347 return PIPE_FORMAT_RGTC2_SNORM;
348
349 case MESA_FORMAT_L_LATC1_UNORM:
350 return PIPE_FORMAT_LATC1_UNORM;
351 case MESA_FORMAT_L_LATC1_SNORM:
352 return PIPE_FORMAT_LATC1_SNORM;
353 case MESA_FORMAT_LA_LATC2_UNORM:
354 return PIPE_FORMAT_LATC2_UNORM;
355 case MESA_FORMAT_LA_LATC2_SNORM:
356 return PIPE_FORMAT_LATC2_SNORM;
357
358 /* The destination RGBA format mustn't be changed, because it's also
359 * a destination format of the unpack/decompression function. */
360 case MESA_FORMAT_ETC1_RGB8:
361 return st->has_etc1 ? PIPE_FORMAT_ETC1_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
362
363 case MESA_FORMAT_BPTC_RGBA_UNORM:
364 return PIPE_FORMAT_BPTC_RGBA_UNORM;
365 case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
366 return PIPE_FORMAT_BPTC_SRGBA;
367 case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
368 return PIPE_FORMAT_BPTC_RGB_FLOAT;
369 case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
370 return PIPE_FORMAT_BPTC_RGB_UFLOAT;
371
372 /* signed normalized formats */
373 case MESA_FORMAT_R_SNORM8:
374 return PIPE_FORMAT_R8_SNORM;
375 case MESA_FORMAT_R8G8_SNORM:
376 return PIPE_FORMAT_RG88_SNORM;
377 case MESA_FORMAT_G8R8_SNORM:
378 return PIPE_FORMAT_GR88_SNORM;
379 case MESA_FORMAT_R8G8B8A8_SNORM:
380 return PIPE_FORMAT_RGBA8888_SNORM;
381 case MESA_FORMAT_A8B8G8R8_SNORM:
382 return PIPE_FORMAT_ABGR8888_SNORM;
383
384 case MESA_FORMAT_A_SNORM8:
385 return PIPE_FORMAT_A8_SNORM;
386 case MESA_FORMAT_L_SNORM8:
387 return PIPE_FORMAT_L8_SNORM;
388 case MESA_FORMAT_L8A8_SNORM:
389 return PIPE_FORMAT_LA88_SNORM;
390 case MESA_FORMAT_A8L8_SNORM:
391 return PIPE_FORMAT_AL88_SNORM;
392 case MESA_FORMAT_I_SNORM8:
393 return PIPE_FORMAT_I8_SNORM;
394
395 case MESA_FORMAT_R_SNORM16:
396 return PIPE_FORMAT_R16_SNORM;
397 case MESA_FORMAT_R16G16_SNORM:
398 return PIPE_FORMAT_RG1616_SNORM;
399 case MESA_FORMAT_G16R16_SNORM:
400 return PIPE_FORMAT_GR1616_SNORM;
401 case MESA_FORMAT_RGBA_SNORM16:
402 return PIPE_FORMAT_R16G16B16A16_SNORM;
403
404 case MESA_FORMAT_A_SNORM16:
405 return PIPE_FORMAT_A16_SNORM;
406 case MESA_FORMAT_L_SNORM16:
407 return PIPE_FORMAT_L16_SNORM;
408 case MESA_FORMAT_LA_SNORM16:
409 return PIPE_FORMAT_L16A16_SNORM;
410 case MESA_FORMAT_I_SNORM16:
411 return PIPE_FORMAT_I16_SNORM;
412
413 case MESA_FORMAT_R9G9B9E5_FLOAT:
414 return PIPE_FORMAT_R9G9B9E5_FLOAT;
415 case MESA_FORMAT_R11G11B10_FLOAT:
416 return PIPE_FORMAT_R11G11B10_FLOAT;
417 case MESA_FORMAT_B10G10R10A2_UINT:
418 return PIPE_FORMAT_B10G10R10A2_UINT;
419 case MESA_FORMAT_R10G10B10A2_UINT:
420 return PIPE_FORMAT_R10G10B10A2_UINT;
421
422 case MESA_FORMAT_B4G4R4X4_UNORM:
423 return PIPE_FORMAT_B4G4R4X4_UNORM;
424 case MESA_FORMAT_B5G5R5X1_UNORM:
425 return PIPE_FORMAT_B5G5R5X1_UNORM;
426 case MESA_FORMAT_X1B5G5R5_UNORM:
427 return PIPE_FORMAT_X1B5G5R5_UNORM;
428 case MESA_FORMAT_R8G8B8X8_SNORM:
429 return PIPE_FORMAT_RGBX8888_SNORM;
430 case MESA_FORMAT_X8B8G8R8_SNORM:
431 return PIPE_FORMAT_XBGR8888_SNORM;
432 case MESA_FORMAT_R8G8B8X8_SRGB:
433 return PIPE_FORMAT_RGBX8888_SRGB;
434 case MESA_FORMAT_X8B8G8R8_SRGB:
435 return PIPE_FORMAT_XBGR8888_SRGB;
436 case MESA_FORMAT_RGBX_UINT8:
437 return PIPE_FORMAT_R8G8B8X8_UINT;
438 case MESA_FORMAT_RGBX_SINT8:
439 return PIPE_FORMAT_R8G8B8X8_SINT;
440 case MESA_FORMAT_B10G10R10X2_UNORM:
441 return PIPE_FORMAT_B10G10R10X2_UNORM;
442 case MESA_FORMAT_RGBX_UNORM16:
443 return PIPE_FORMAT_R16G16B16X16_UNORM;
444 case MESA_FORMAT_RGBX_SNORM16:
445 return PIPE_FORMAT_R16G16B16X16_SNORM;
446 case MESA_FORMAT_RGBX_FLOAT16:
447 return PIPE_FORMAT_R16G16B16X16_FLOAT;
448 case MESA_FORMAT_RGBX_UINT16:
449 return PIPE_FORMAT_R16G16B16X16_UINT;
450 case MESA_FORMAT_RGBX_SINT16:
451 return PIPE_FORMAT_R16G16B16X16_SINT;
452 case MESA_FORMAT_RGBX_FLOAT32:
453 return PIPE_FORMAT_R32G32B32X32_FLOAT;
454 case MESA_FORMAT_RGBX_UINT32:
455 return PIPE_FORMAT_R32G32B32X32_UINT;
456 case MESA_FORMAT_RGBX_SINT32:
457 return PIPE_FORMAT_R32G32B32X32_SINT;
458
459 case MESA_FORMAT_B8G8R8X8_SRGB:
460 return PIPE_FORMAT_BGRX8888_SRGB;
461 case MESA_FORMAT_X8R8G8B8_SRGB:
462 return PIPE_FORMAT_XRGB8888_SRGB;
463
464 /* ETC2 formats are emulated as uncompressed ones.
465 * The destination formats mustn't be changed, because they are also
466 * destination formats of the unpack/decompression function. */
467 case MESA_FORMAT_ETC2_RGB8:
468 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
469 case MESA_FORMAT_ETC2_SRGB8:
470 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGB8 :
471 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
472 case MESA_FORMAT_ETC2_RGBA8_EAC:
473 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGBA8 : PIPE_FORMAT_R8G8B8A8_UNORM;
474 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
475 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGBA8 :
476 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
477 case MESA_FORMAT_ETC2_R11_EAC:
478 return st->has_etc2 ? PIPE_FORMAT_ETC2_R11_UNORM : PIPE_FORMAT_R16_UNORM;
479 case MESA_FORMAT_ETC2_RG11_EAC:
480 return st->has_etc2 ? PIPE_FORMAT_ETC2_RG11_UNORM : PIPE_FORMAT_R16G16_UNORM;
481 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
482 return st->has_etc2 ? PIPE_FORMAT_ETC2_R11_SNORM : PIPE_FORMAT_R16_SNORM;
483 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
484 return st->has_etc2 ? PIPE_FORMAT_ETC2_RG11_SNORM : PIPE_FORMAT_R16G16_SNORM;
485 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
486 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGB8A1 : PIPE_FORMAT_R8G8B8A8_UNORM;
487 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
488 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGB8A1 :
489 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
490
491 case MESA_FORMAT_RGBA_ASTC_4x4:
492 if (!st->has_astc_2d_ldr)
493 return PIPE_FORMAT_R8G8B8A8_UNORM;
494 return PIPE_FORMAT_ASTC_4x4;
495 case MESA_FORMAT_RGBA_ASTC_5x4:
496 if (!st->has_astc_2d_ldr)
497 return PIPE_FORMAT_R8G8B8A8_UNORM;
498 return PIPE_FORMAT_ASTC_5x4;
499 case MESA_FORMAT_RGBA_ASTC_5x5:
500 if (!st->has_astc_2d_ldr)
501 return PIPE_FORMAT_R8G8B8A8_UNORM;
502 return PIPE_FORMAT_ASTC_5x5;
503 case MESA_FORMAT_RGBA_ASTC_6x5:
504 if (!st->has_astc_2d_ldr)
505 return PIPE_FORMAT_R8G8B8A8_UNORM;
506 return PIPE_FORMAT_ASTC_6x5;
507 case MESA_FORMAT_RGBA_ASTC_6x6:
508 if (!st->has_astc_2d_ldr)
509 return PIPE_FORMAT_R8G8B8A8_UNORM;
510 return PIPE_FORMAT_ASTC_6x6;
511 case MESA_FORMAT_RGBA_ASTC_8x5:
512 if (!st->has_astc_2d_ldr)
513 return PIPE_FORMAT_R8G8B8A8_UNORM;
514 return PIPE_FORMAT_ASTC_8x5;
515 case MESA_FORMAT_RGBA_ASTC_8x6:
516 if (!st->has_astc_2d_ldr)
517 return PIPE_FORMAT_R8G8B8A8_UNORM;
518 return PIPE_FORMAT_ASTC_8x6;
519 case MESA_FORMAT_RGBA_ASTC_8x8:
520 if (!st->has_astc_2d_ldr)
521 return PIPE_FORMAT_R8G8B8A8_UNORM;
522 return PIPE_FORMAT_ASTC_8x8;
523 case MESA_FORMAT_RGBA_ASTC_10x5:
524 if (!st->has_astc_2d_ldr)
525 return PIPE_FORMAT_R8G8B8A8_UNORM;
526 return PIPE_FORMAT_ASTC_10x5;
527 case MESA_FORMAT_RGBA_ASTC_10x6:
528 if (!st->has_astc_2d_ldr)
529 return PIPE_FORMAT_R8G8B8A8_UNORM;
530 return PIPE_FORMAT_ASTC_10x6;
531 case MESA_FORMAT_RGBA_ASTC_10x8:
532 if (!st->has_astc_2d_ldr)
533 return PIPE_FORMAT_R8G8B8A8_UNORM;
534 return PIPE_FORMAT_ASTC_10x8;
535 case MESA_FORMAT_RGBA_ASTC_10x10:
536 if (!st->has_astc_2d_ldr)
537 return PIPE_FORMAT_R8G8B8A8_UNORM;
538 return PIPE_FORMAT_ASTC_10x10;
539 case MESA_FORMAT_RGBA_ASTC_12x10:
540 if (!st->has_astc_2d_ldr)
541 return PIPE_FORMAT_R8G8B8A8_UNORM;
542 return PIPE_FORMAT_ASTC_12x10;
543 case MESA_FORMAT_RGBA_ASTC_12x12:
544 if (!st->has_astc_2d_ldr)
545 return PIPE_FORMAT_R8G8B8A8_UNORM;
546 return PIPE_FORMAT_ASTC_12x12;
547
548 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4:
549 if (!st->has_astc_2d_ldr)
550 return PIPE_FORMAT_R8G8B8A8_SRGB;
551 return PIPE_FORMAT_ASTC_4x4_SRGB;
552 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4:
553 if (!st->has_astc_2d_ldr)
554 return PIPE_FORMAT_R8G8B8A8_SRGB;
555 return PIPE_FORMAT_ASTC_5x4_SRGB;
556 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5:
557 if (!st->has_astc_2d_ldr)
558 return PIPE_FORMAT_R8G8B8A8_SRGB;
559 return PIPE_FORMAT_ASTC_5x5_SRGB;
560 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5:
561 if (!st->has_astc_2d_ldr)
562 return PIPE_FORMAT_R8G8B8A8_SRGB;
563 return PIPE_FORMAT_ASTC_6x5_SRGB;
564 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6:
565 if (!st->has_astc_2d_ldr)
566 return PIPE_FORMAT_R8G8B8A8_SRGB;
567 return PIPE_FORMAT_ASTC_6x6_SRGB;
568 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5:
569 if (!st->has_astc_2d_ldr)
570 return PIPE_FORMAT_R8G8B8A8_SRGB;
571 return PIPE_FORMAT_ASTC_8x5_SRGB;
572 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6:
573 if (!st->has_astc_2d_ldr)
574 return PIPE_FORMAT_R8G8B8A8_SRGB;
575 return PIPE_FORMAT_ASTC_8x6_SRGB;
576 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8:
577 if (!st->has_astc_2d_ldr)
578 return PIPE_FORMAT_R8G8B8A8_SRGB;
579 return PIPE_FORMAT_ASTC_8x8_SRGB;
580 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5:
581 if (!st->has_astc_2d_ldr)
582 return PIPE_FORMAT_R8G8B8A8_SRGB;
583 return PIPE_FORMAT_ASTC_10x5_SRGB;
584 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6:
585 if (!st->has_astc_2d_ldr)
586 return PIPE_FORMAT_R8G8B8A8_SRGB;
587 return PIPE_FORMAT_ASTC_10x6_SRGB;
588 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8:
589 if (!st->has_astc_2d_ldr)
590 return PIPE_FORMAT_R8G8B8A8_SRGB;
591 return PIPE_FORMAT_ASTC_10x8_SRGB;
592 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10:
593 if (!st->has_astc_2d_ldr)
594 return PIPE_FORMAT_R8G8B8A8_SRGB;
595 return PIPE_FORMAT_ASTC_10x10_SRGB;
596 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10:
597 if (!st->has_astc_2d_ldr)
598 return PIPE_FORMAT_R8G8B8A8_SRGB;
599 return PIPE_FORMAT_ASTC_12x10_SRGB;
600 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12:
601 if (!st->has_astc_2d_ldr)
602 return PIPE_FORMAT_R8G8B8A8_SRGB;
603 return PIPE_FORMAT_ASTC_12x12_SRGB;
604
605 case MESA_FORMAT_RGBA_ASTC_3x3x3:
606 return PIPE_FORMAT_ASTC_3x3x3;
607 case MESA_FORMAT_RGBA_ASTC_4x3x3:
608 return PIPE_FORMAT_ASTC_4x3x3;
609 case MESA_FORMAT_RGBA_ASTC_4x4x3:
610 return PIPE_FORMAT_ASTC_4x4x3;
611 case MESA_FORMAT_RGBA_ASTC_4x4x4:
612 return PIPE_FORMAT_ASTC_4x4x4;
613 case MESA_FORMAT_RGBA_ASTC_5x4x4:
614 return PIPE_FORMAT_ASTC_5x4x4;
615 case MESA_FORMAT_RGBA_ASTC_5x5x4:
616 return PIPE_FORMAT_ASTC_5x5x4;
617 case MESA_FORMAT_RGBA_ASTC_5x5x5:
618 return PIPE_FORMAT_ASTC_5x5x5;
619 case MESA_FORMAT_RGBA_ASTC_6x5x5:
620 return PIPE_FORMAT_ASTC_6x5x5;
621 case MESA_FORMAT_RGBA_ASTC_6x6x5:
622 return PIPE_FORMAT_ASTC_6x6x5;
623 case MESA_FORMAT_RGBA_ASTC_6x6x6:
624 return PIPE_FORMAT_ASTC_6x6x6;
625 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3:
626 return PIPE_FORMAT_ASTC_3x3x3_SRGB;
627 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3:
628 return PIPE_FORMAT_ASTC_4x3x3_SRGB;
629 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3:
630 return PIPE_FORMAT_ASTC_4x4x3_SRGB;
631 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4:
632 return PIPE_FORMAT_ASTC_4x4x4_SRGB;
633 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4:
634 return PIPE_FORMAT_ASTC_5x4x4_SRGB;
635 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4:
636 return PIPE_FORMAT_ASTC_5x5x4_SRGB;
637 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5:
638 return PIPE_FORMAT_ASTC_5x5x5_SRGB;
639 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5:
640 return PIPE_FORMAT_ASTC_6x5x5_SRGB;
641 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5:
642 return PIPE_FORMAT_ASTC_6x6x5_SRGB;
643 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6:
644 return PIPE_FORMAT_ASTC_6x6x6_SRGB;
645
646 case MESA_FORMAT_ATC_RGB:
647 return PIPE_FORMAT_ATC_RGB;
648 case MESA_FORMAT_ATC_RGBA_EXPLICIT:
649 return PIPE_FORMAT_ATC_RGBA_EXPLICIT;
650 case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
651 return PIPE_FORMAT_ATC_RGBA_INTERPOLATED;
652
653 default:
654 return PIPE_FORMAT_NONE;
655 }
656 }
657
658
659 /**
660 * Translate Gallium format to Mesa format.
661 */
662 mesa_format
663 st_pipe_format_to_mesa_format(enum pipe_format format)
664 {
665 switch (format) {
666 case PIPE_FORMAT_ABGR8888_UNORM:
667 return MESA_FORMAT_A8B8G8R8_UNORM;
668 case PIPE_FORMAT_RGBA8888_UNORM:
669 return MESA_FORMAT_R8G8B8A8_UNORM;
670 case PIPE_FORMAT_BGRA8888_UNORM:
671 return MESA_FORMAT_B8G8R8A8_UNORM;
672 case PIPE_FORMAT_ARGB8888_UNORM:
673 return MESA_FORMAT_A8R8G8B8_UNORM;
674 case PIPE_FORMAT_XBGR8888_UNORM:
675 return MESA_FORMAT_X8B8G8R8_UNORM;
676 case PIPE_FORMAT_RGBX8888_UNORM:
677 return MESA_FORMAT_R8G8B8X8_UNORM;
678 case PIPE_FORMAT_BGRX8888_UNORM:
679 return MESA_FORMAT_B8G8R8X8_UNORM;
680 case PIPE_FORMAT_XRGB8888_UNORM:
681 return MESA_FORMAT_X8R8G8B8_UNORM;
682 case PIPE_FORMAT_B5G5R5A1_UNORM:
683 return MESA_FORMAT_B5G5R5A1_UNORM;
684 case PIPE_FORMAT_A1B5G5R5_UNORM:
685 return MESA_FORMAT_A1B5G5R5_UNORM;
686 case PIPE_FORMAT_B4G4R4A4_UNORM:
687 return MESA_FORMAT_B4G4R4A4_UNORM;
688 case PIPE_FORMAT_A4B4G4R4_UNORM:
689 return MESA_FORMAT_A4B4G4R4_UNORM;
690 case PIPE_FORMAT_B5G6R5_UNORM:
691 return MESA_FORMAT_B5G6R5_UNORM;
692 case PIPE_FORMAT_B2G3R3_UNORM:
693 return MESA_FORMAT_B2G3R3_UNORM;
694 case PIPE_FORMAT_B10G10R10A2_UNORM:
695 return MESA_FORMAT_B10G10R10A2_UNORM;
696 case PIPE_FORMAT_R10G10B10A2_UNORM:
697 return MESA_FORMAT_R10G10B10A2_UNORM;
698 case PIPE_FORMAT_R10G10B10X2_UNORM:
699 return MESA_FORMAT_R10G10B10X2_UNORM;
700 case PIPE_FORMAT_L4A4_UNORM:
701 return MESA_FORMAT_L4A4_UNORM;
702 case PIPE_FORMAT_LA88_UNORM:
703 return MESA_FORMAT_L8A8_UNORM;
704 case PIPE_FORMAT_AL88_UNORM:
705 return MESA_FORMAT_A8L8_UNORM;
706 case PIPE_FORMAT_LA1616_UNORM:
707 return MESA_FORMAT_L16A16_UNORM;
708 case PIPE_FORMAT_AL1616_UNORM:
709 return MESA_FORMAT_A16L16_UNORM;
710 case PIPE_FORMAT_A8_UNORM:
711 return MESA_FORMAT_A_UNORM8;
712 case PIPE_FORMAT_A16_UNORM:
713 return MESA_FORMAT_A_UNORM16;
714 case PIPE_FORMAT_L8_UNORM:
715 return MESA_FORMAT_L_UNORM8;
716 case PIPE_FORMAT_L16_UNORM:
717 return MESA_FORMAT_L_UNORM16;
718 case PIPE_FORMAT_I8_UNORM:
719 return MESA_FORMAT_I_UNORM8;
720 case PIPE_FORMAT_I16_UNORM:
721 return MESA_FORMAT_I_UNORM16;
722 case PIPE_FORMAT_S8_UINT:
723 return MESA_FORMAT_S_UINT8;
724
725 case PIPE_FORMAT_R16G16B16A16_UNORM:
726 return MESA_FORMAT_RGBA_UNORM16;
727
728 case PIPE_FORMAT_Z16_UNORM:
729 return MESA_FORMAT_Z_UNORM16;
730 case PIPE_FORMAT_Z32_UNORM:
731 return MESA_FORMAT_Z_UNORM32;
732 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
733 return MESA_FORMAT_S8_UINT_Z24_UNORM;
734 case PIPE_FORMAT_X8Z24_UNORM:
735 return MESA_FORMAT_X8_UINT_Z24_UNORM;
736 case PIPE_FORMAT_Z24X8_UNORM:
737 return MESA_FORMAT_Z24_UNORM_X8_UINT;
738 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
739 return MESA_FORMAT_Z24_UNORM_S8_UINT;
740 case PIPE_FORMAT_Z32_FLOAT:
741 return MESA_FORMAT_Z_FLOAT32;
742 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
743 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
744
745 case PIPE_FORMAT_UYVY:
746 return MESA_FORMAT_YCBCR;
747 case PIPE_FORMAT_YUYV:
748 return MESA_FORMAT_YCBCR_REV;
749
750 case PIPE_FORMAT_DXT1_RGB:
751 return MESA_FORMAT_RGB_DXT1;
752 case PIPE_FORMAT_DXT1_RGBA:
753 return MESA_FORMAT_RGBA_DXT1;
754 case PIPE_FORMAT_DXT3_RGBA:
755 return MESA_FORMAT_RGBA_DXT3;
756 case PIPE_FORMAT_DXT5_RGBA:
757 return MESA_FORMAT_RGBA_DXT5;
758 case PIPE_FORMAT_DXT1_SRGB:
759 return MESA_FORMAT_SRGB_DXT1;
760 case PIPE_FORMAT_DXT1_SRGBA:
761 return MESA_FORMAT_SRGBA_DXT1;
762 case PIPE_FORMAT_DXT3_SRGBA:
763 return MESA_FORMAT_SRGBA_DXT3;
764 case PIPE_FORMAT_DXT5_SRGBA:
765 return MESA_FORMAT_SRGBA_DXT5;
766 case PIPE_FORMAT_LA88_SRGB:
767 return MESA_FORMAT_L8A8_SRGB;
768 case PIPE_FORMAT_AL88_SRGB:
769 return MESA_FORMAT_A8L8_SRGB;
770 case PIPE_FORMAT_L8_SRGB:
771 return MESA_FORMAT_L_SRGB8;
772 case PIPE_FORMAT_R8_SRGB:
773 return MESA_FORMAT_R_SRGB8;
774 case PIPE_FORMAT_R8G8B8_SRGB:
775 return MESA_FORMAT_BGR_SRGB8;
776 case PIPE_FORMAT_ABGR8888_SRGB:
777 return MESA_FORMAT_A8B8G8R8_SRGB;
778 case PIPE_FORMAT_RGBA8888_SRGB:
779 return MESA_FORMAT_R8G8B8A8_SRGB;
780 case PIPE_FORMAT_BGRA8888_SRGB:
781 return MESA_FORMAT_B8G8R8A8_SRGB;
782 case PIPE_FORMAT_ARGB8888_SRGB:
783 return MESA_FORMAT_A8R8G8B8_SRGB;
784 case PIPE_FORMAT_R32G32B32A32_FLOAT:
785 return MESA_FORMAT_RGBA_FLOAT32;
786 case PIPE_FORMAT_R16G16B16A16_FLOAT:
787 return MESA_FORMAT_RGBA_FLOAT16;
788 case PIPE_FORMAT_R32G32B32_FLOAT:
789 return MESA_FORMAT_RGB_FLOAT32;
790 case PIPE_FORMAT_R16G16B16_FLOAT:
791 return MESA_FORMAT_RGB_FLOAT16;
792 case PIPE_FORMAT_L32A32_FLOAT:
793 return MESA_FORMAT_LA_FLOAT32;
794 case PIPE_FORMAT_L16A16_FLOAT:
795 return MESA_FORMAT_LA_FLOAT16;
796 case PIPE_FORMAT_L32_FLOAT:
797 return MESA_FORMAT_L_FLOAT32;
798 case PIPE_FORMAT_L16_FLOAT:
799 return MESA_FORMAT_L_FLOAT16;
800 case PIPE_FORMAT_A32_FLOAT:
801 return MESA_FORMAT_A_FLOAT32;
802 case PIPE_FORMAT_A16_FLOAT:
803 return MESA_FORMAT_A_FLOAT16;
804 case PIPE_FORMAT_I32_FLOAT:
805 return MESA_FORMAT_I_FLOAT32;
806 case PIPE_FORMAT_I16_FLOAT:
807 return MESA_FORMAT_I_FLOAT16;
808 case PIPE_FORMAT_R32_FLOAT:
809 return MESA_FORMAT_R_FLOAT32;
810 case PIPE_FORMAT_R16_FLOAT:
811 return MESA_FORMAT_R_FLOAT16;
812 case PIPE_FORMAT_R32G32_FLOAT:
813 return MESA_FORMAT_RG_FLOAT32;
814 case PIPE_FORMAT_R16G16_FLOAT:
815 return MESA_FORMAT_RG_FLOAT16;
816
817 case PIPE_FORMAT_R8_UNORM:
818 return MESA_FORMAT_R_UNORM8;
819 case PIPE_FORMAT_R16_UNORM:
820 return MESA_FORMAT_R_UNORM16;
821 case PIPE_FORMAT_RG88_UNORM:
822 return MESA_FORMAT_R8G8_UNORM;
823 case PIPE_FORMAT_GR88_UNORM:
824 return MESA_FORMAT_G8R8_UNORM;
825 case PIPE_FORMAT_RG1616_UNORM:
826 return MESA_FORMAT_R16G16_UNORM;
827 case PIPE_FORMAT_GR1616_UNORM:
828 return MESA_FORMAT_G16R16_UNORM;
829
830 case PIPE_FORMAT_A8_UINT:
831 return MESA_FORMAT_A_UINT8;
832 case PIPE_FORMAT_A16_UINT:
833 return MESA_FORMAT_A_UINT16;
834 case PIPE_FORMAT_A32_UINT:
835 return MESA_FORMAT_A_UINT32;
836 case PIPE_FORMAT_A8_SINT:
837 return MESA_FORMAT_A_SINT8;
838 case PIPE_FORMAT_A16_SINT:
839 return MESA_FORMAT_A_SINT16;
840 case PIPE_FORMAT_A32_SINT:
841 return MESA_FORMAT_A_SINT32;
842
843 case PIPE_FORMAT_I8_UINT:
844 return MESA_FORMAT_I_UINT8;
845 case PIPE_FORMAT_I16_UINT:
846 return MESA_FORMAT_I_UINT16;
847 case PIPE_FORMAT_I32_UINT:
848 return MESA_FORMAT_I_UINT32;
849 case PIPE_FORMAT_I8_SINT:
850 return MESA_FORMAT_I_SINT8;
851 case PIPE_FORMAT_I16_SINT:
852 return MESA_FORMAT_I_SINT16;
853 case PIPE_FORMAT_I32_SINT:
854 return MESA_FORMAT_I_SINT32;
855
856 case PIPE_FORMAT_L8_UINT:
857 return MESA_FORMAT_L_UINT8;
858 case PIPE_FORMAT_L16_UINT:
859 return MESA_FORMAT_L_UINT16;
860 case PIPE_FORMAT_L32_UINT:
861 return MESA_FORMAT_L_UINT32;
862 case PIPE_FORMAT_L8_SINT:
863 return MESA_FORMAT_L_SINT8;
864 case PIPE_FORMAT_L16_SINT:
865 return MESA_FORMAT_L_SINT16;
866 case PIPE_FORMAT_L32_SINT:
867 return MESA_FORMAT_L_SINT32;
868
869 case PIPE_FORMAT_L8A8_UINT:
870 return MESA_FORMAT_LA_UINT8;
871 case PIPE_FORMAT_L16A16_UINT:
872 return MESA_FORMAT_LA_UINT16;
873 case PIPE_FORMAT_L32A32_UINT:
874 return MESA_FORMAT_LA_UINT32;
875 case PIPE_FORMAT_L8A8_SINT:
876 return MESA_FORMAT_LA_SINT8;
877 case PIPE_FORMAT_L16A16_SINT:
878 return MESA_FORMAT_LA_SINT16;
879 case PIPE_FORMAT_L32A32_SINT:
880 return MESA_FORMAT_LA_SINT32;
881
882 case PIPE_FORMAT_R8_SINT:
883 return MESA_FORMAT_R_SINT8;
884 case PIPE_FORMAT_R8G8_SINT:
885 return MESA_FORMAT_RG_SINT8;
886 case PIPE_FORMAT_R8G8B8_SINT:
887 return MESA_FORMAT_RGB_SINT8;
888 case PIPE_FORMAT_R8G8B8A8_SINT:
889 return MESA_FORMAT_RGBA_SINT8;
890
891 case PIPE_FORMAT_R16_SINT:
892 return MESA_FORMAT_R_SINT16;
893 case PIPE_FORMAT_R16G16_SINT:
894 return MESA_FORMAT_RG_SINT16;
895 case PIPE_FORMAT_R16G16B16_SINT:
896 return MESA_FORMAT_RGB_SINT16;
897 case PIPE_FORMAT_R16G16B16A16_SINT:
898 return MESA_FORMAT_RGBA_SINT16;
899
900 case PIPE_FORMAT_R32_SINT:
901 return MESA_FORMAT_R_SINT32;
902 case PIPE_FORMAT_R32G32_SINT:
903 return MESA_FORMAT_RG_SINT32;
904 case PIPE_FORMAT_R32G32B32_SINT:
905 return MESA_FORMAT_RGB_SINT32;
906 case PIPE_FORMAT_R32G32B32A32_SINT:
907 return MESA_FORMAT_RGBA_SINT32;
908
909 /* unsigned int formats */
910 case PIPE_FORMAT_R8_UINT:
911 return MESA_FORMAT_R_UINT8;
912 case PIPE_FORMAT_R8G8_UINT:
913 return MESA_FORMAT_RG_UINT8;
914 case PIPE_FORMAT_R8G8B8_UINT:
915 return MESA_FORMAT_RGB_UINT8;
916 case PIPE_FORMAT_R8G8B8A8_UINT:
917 return MESA_FORMAT_RGBA_UINT8;
918
919 case PIPE_FORMAT_R16_UINT:
920 return MESA_FORMAT_R_UINT16;
921 case PIPE_FORMAT_R16G16_UINT:
922 return MESA_FORMAT_RG_UINT16;
923 case PIPE_FORMAT_R16G16B16_UINT:
924 return MESA_FORMAT_RGB_UINT16;
925 case PIPE_FORMAT_R16G16B16A16_UINT:
926 return MESA_FORMAT_RGBA_UINT16;
927
928 case PIPE_FORMAT_R32_UINT:
929 return MESA_FORMAT_R_UINT32;
930 case PIPE_FORMAT_R32G32_UINT:
931 return MESA_FORMAT_RG_UINT32;
932 case PIPE_FORMAT_R32G32B32_UINT:
933 return MESA_FORMAT_RGB_UINT32;
934 case PIPE_FORMAT_R32G32B32A32_UINT:
935 return MESA_FORMAT_RGBA_UINT32;
936
937 case PIPE_FORMAT_RGTC1_UNORM:
938 return MESA_FORMAT_R_RGTC1_UNORM;
939 case PIPE_FORMAT_RGTC1_SNORM:
940 return MESA_FORMAT_R_RGTC1_SNORM;
941 case PIPE_FORMAT_RGTC2_UNORM:
942 return MESA_FORMAT_RG_RGTC2_UNORM;
943 case PIPE_FORMAT_RGTC2_SNORM:
944 return MESA_FORMAT_RG_RGTC2_SNORM;
945
946 case PIPE_FORMAT_LATC1_UNORM:
947 return MESA_FORMAT_L_LATC1_UNORM;
948 case PIPE_FORMAT_LATC1_SNORM:
949 return MESA_FORMAT_L_LATC1_SNORM;
950 case PIPE_FORMAT_LATC2_UNORM:
951 return MESA_FORMAT_LA_LATC2_UNORM;
952 case PIPE_FORMAT_LATC2_SNORM:
953 return MESA_FORMAT_LA_LATC2_SNORM;
954
955 case PIPE_FORMAT_ETC1_RGB8:
956 return MESA_FORMAT_ETC1_RGB8;
957
958 case PIPE_FORMAT_BPTC_RGBA_UNORM:
959 return MESA_FORMAT_BPTC_RGBA_UNORM;
960 case PIPE_FORMAT_BPTC_SRGBA:
961 return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM;
962 case PIPE_FORMAT_BPTC_RGB_FLOAT:
963 return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT;
964 case PIPE_FORMAT_BPTC_RGB_UFLOAT:
965 return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
966
967 /* signed normalized formats */
968 case PIPE_FORMAT_R8_SNORM:
969 return MESA_FORMAT_R_SNORM8;
970 case PIPE_FORMAT_RG88_SNORM:
971 return MESA_FORMAT_R8G8_SNORM;
972 case PIPE_FORMAT_GR88_SNORM:
973 return MESA_FORMAT_G8R8_SNORM;
974 case PIPE_FORMAT_RGBA8888_SNORM:
975 return MESA_FORMAT_R8G8B8A8_SNORM;
976 case PIPE_FORMAT_ABGR8888_SNORM:
977 return MESA_FORMAT_A8B8G8R8_SNORM;
978
979 case PIPE_FORMAT_A8_SNORM:
980 return MESA_FORMAT_A_SNORM8;
981 case PIPE_FORMAT_L8_SNORM:
982 return MESA_FORMAT_L_SNORM8;
983 case PIPE_FORMAT_LA88_SNORM:
984 return MESA_FORMAT_L8A8_SNORM;
985 case PIPE_FORMAT_AL88_SNORM:
986 return MESA_FORMAT_A8L8_SNORM;
987 case PIPE_FORMAT_I8_SNORM:
988 return MESA_FORMAT_I_SNORM8;
989
990 case PIPE_FORMAT_R16_SNORM:
991 return MESA_FORMAT_R_SNORM16;
992 case PIPE_FORMAT_RG1616_SNORM:
993 return MESA_FORMAT_R16G16_SNORM;
994 case PIPE_FORMAT_GR1616_SNORM:
995 return MESA_FORMAT_G16R16_SNORM;
996 case PIPE_FORMAT_R16G16B16A16_SNORM:
997 return MESA_FORMAT_RGBA_SNORM16;
998
999 case PIPE_FORMAT_A16_SNORM:
1000 return MESA_FORMAT_A_SNORM16;
1001 case PIPE_FORMAT_L16_SNORM:
1002 return MESA_FORMAT_L_SNORM16;
1003 case PIPE_FORMAT_L16A16_SNORM:
1004 return MESA_FORMAT_LA_SNORM16;
1005 case PIPE_FORMAT_I16_SNORM:
1006 return MESA_FORMAT_I_SNORM16;
1007
1008 case PIPE_FORMAT_R9G9B9E5_FLOAT:
1009 return MESA_FORMAT_R9G9B9E5_FLOAT;
1010 case PIPE_FORMAT_R11G11B10_FLOAT:
1011 return MESA_FORMAT_R11G11B10_FLOAT;
1012
1013 case PIPE_FORMAT_B10G10R10A2_UINT:
1014 return MESA_FORMAT_B10G10R10A2_UINT;
1015 case PIPE_FORMAT_R10G10B10A2_UINT:
1016 return MESA_FORMAT_R10G10B10A2_UINT;
1017
1018 case PIPE_FORMAT_B4G4R4X4_UNORM:
1019 return MESA_FORMAT_B4G4R4X4_UNORM;
1020 case PIPE_FORMAT_B5G5R5X1_UNORM:
1021 return MESA_FORMAT_B5G5R5X1_UNORM;
1022 case PIPE_FORMAT_X1B5G5R5_UNORM:
1023 return MESA_FORMAT_X1B5G5R5_UNORM;
1024 case PIPE_FORMAT_RGBX8888_SNORM:
1025 return MESA_FORMAT_R8G8B8X8_SNORM;
1026 case PIPE_FORMAT_XBGR8888_SNORM:
1027 return MESA_FORMAT_X8B8G8R8_SNORM;
1028 case PIPE_FORMAT_RGBX8888_SRGB:
1029 return MESA_FORMAT_R8G8B8X8_SRGB;
1030 case PIPE_FORMAT_XBGR8888_SRGB:
1031 return MESA_FORMAT_X8B8G8R8_SRGB;
1032 case PIPE_FORMAT_R8G8B8X8_UINT:
1033 return MESA_FORMAT_RGBX_UINT8;
1034 case PIPE_FORMAT_R8G8B8X8_SINT:
1035 return MESA_FORMAT_RGBX_SINT8;
1036 case PIPE_FORMAT_B10G10R10X2_UNORM:
1037 return MESA_FORMAT_B10G10R10X2_UNORM;
1038 case PIPE_FORMAT_R16G16B16X16_UNORM:
1039 return MESA_FORMAT_RGBX_UNORM16;
1040 case PIPE_FORMAT_R16G16B16X16_SNORM:
1041 return MESA_FORMAT_RGBX_SNORM16;
1042 case PIPE_FORMAT_R16G16B16X16_FLOAT:
1043 return MESA_FORMAT_RGBX_FLOAT16;
1044 case PIPE_FORMAT_R16G16B16X16_UINT:
1045 return MESA_FORMAT_RGBX_UINT16;
1046 case PIPE_FORMAT_R16G16B16X16_SINT:
1047 return MESA_FORMAT_RGBX_SINT16;
1048 case PIPE_FORMAT_R32G32B32X32_FLOAT:
1049 return MESA_FORMAT_RGBX_FLOAT32;
1050 case PIPE_FORMAT_R32G32B32X32_UINT:
1051 return MESA_FORMAT_RGBX_UINT32;
1052 case PIPE_FORMAT_R32G32B32X32_SINT:
1053 return MESA_FORMAT_RGBX_SINT32;
1054
1055 case PIPE_FORMAT_BGRX8888_SRGB:
1056 return MESA_FORMAT_B8G8R8X8_SRGB;
1057 case PIPE_FORMAT_XRGB8888_SRGB:
1058 return MESA_FORMAT_X8R8G8B8_SRGB;
1059
1060 case PIPE_FORMAT_ETC2_RGB8:
1061 return MESA_FORMAT_ETC2_RGB8;
1062 case PIPE_FORMAT_ETC2_SRGB8:
1063 return MESA_FORMAT_ETC2_SRGB8;
1064 case PIPE_FORMAT_ETC2_RGB8A1:
1065 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
1066 case PIPE_FORMAT_ETC2_SRGB8A1:
1067 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
1068 case PIPE_FORMAT_ETC2_RGBA8:
1069 return MESA_FORMAT_ETC2_RGBA8_EAC;
1070 case PIPE_FORMAT_ETC2_SRGBA8:
1071 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC;
1072 case PIPE_FORMAT_ETC2_R11_UNORM:
1073 return MESA_FORMAT_ETC2_R11_EAC;
1074 case PIPE_FORMAT_ETC2_R11_SNORM:
1075 return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
1076 case PIPE_FORMAT_ETC2_RG11_UNORM:
1077 return MESA_FORMAT_ETC2_RG11_EAC;
1078 case PIPE_FORMAT_ETC2_RG11_SNORM:
1079 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
1080
1081 case PIPE_FORMAT_ASTC_4x4:
1082 return MESA_FORMAT_RGBA_ASTC_4x4;
1083 case PIPE_FORMAT_ASTC_5x4:
1084 return MESA_FORMAT_RGBA_ASTC_5x4;
1085 case PIPE_FORMAT_ASTC_5x5:
1086 return MESA_FORMAT_RGBA_ASTC_5x5;
1087 case PIPE_FORMAT_ASTC_6x5:
1088 return MESA_FORMAT_RGBA_ASTC_6x5;
1089 case PIPE_FORMAT_ASTC_6x6:
1090 return MESA_FORMAT_RGBA_ASTC_6x6;
1091 case PIPE_FORMAT_ASTC_8x5:
1092 return MESA_FORMAT_RGBA_ASTC_8x5;
1093 case PIPE_FORMAT_ASTC_8x6:
1094 return MESA_FORMAT_RGBA_ASTC_8x6;
1095 case PIPE_FORMAT_ASTC_8x8:
1096 return MESA_FORMAT_RGBA_ASTC_8x8;
1097 case PIPE_FORMAT_ASTC_10x5:
1098 return MESA_FORMAT_RGBA_ASTC_10x5;
1099 case PIPE_FORMAT_ASTC_10x6:
1100 return MESA_FORMAT_RGBA_ASTC_10x6;
1101 case PIPE_FORMAT_ASTC_10x8:
1102 return MESA_FORMAT_RGBA_ASTC_10x8;
1103 case PIPE_FORMAT_ASTC_10x10:
1104 return MESA_FORMAT_RGBA_ASTC_10x10;
1105 case PIPE_FORMAT_ASTC_12x10:
1106 return MESA_FORMAT_RGBA_ASTC_12x10;
1107 case PIPE_FORMAT_ASTC_12x12:
1108 return MESA_FORMAT_RGBA_ASTC_12x12;
1109
1110 case PIPE_FORMAT_ASTC_4x4_SRGB:
1111 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4;
1112 case PIPE_FORMAT_ASTC_5x4_SRGB:
1113 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4;
1114 case PIPE_FORMAT_ASTC_5x5_SRGB:
1115 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5;
1116 case PIPE_FORMAT_ASTC_6x5_SRGB:
1117 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5;
1118 case PIPE_FORMAT_ASTC_6x6_SRGB:
1119 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6;
1120 case PIPE_FORMAT_ASTC_8x5_SRGB:
1121 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5;
1122 case PIPE_FORMAT_ASTC_8x6_SRGB:
1123 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6;
1124 case PIPE_FORMAT_ASTC_8x8_SRGB:
1125 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8;
1126 case PIPE_FORMAT_ASTC_10x5_SRGB:
1127 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5;
1128 case PIPE_FORMAT_ASTC_10x6_SRGB:
1129 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6;
1130 case PIPE_FORMAT_ASTC_10x8_SRGB:
1131 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8;
1132 case PIPE_FORMAT_ASTC_10x10_SRGB:
1133 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10;
1134 case PIPE_FORMAT_ASTC_12x10_SRGB:
1135 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10;
1136 case PIPE_FORMAT_ASTC_12x12_SRGB:
1137 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12;
1138
1139 case PIPE_FORMAT_ASTC_3x3x3:
1140 return MESA_FORMAT_RGBA_ASTC_3x3x3;
1141 case PIPE_FORMAT_ASTC_4x3x3:
1142 return MESA_FORMAT_RGBA_ASTC_4x3x3;
1143 case PIPE_FORMAT_ASTC_4x4x3:
1144 return MESA_FORMAT_RGBA_ASTC_4x4x3;
1145 case PIPE_FORMAT_ASTC_4x4x4:
1146 return MESA_FORMAT_RGBA_ASTC_4x4x4;
1147 case PIPE_FORMAT_ASTC_5x4x4:
1148 return MESA_FORMAT_RGBA_ASTC_5x4x4;
1149 case PIPE_FORMAT_ASTC_5x5x4:
1150 return MESA_FORMAT_RGBA_ASTC_5x5x4;
1151 case PIPE_FORMAT_ASTC_5x5x5:
1152 return MESA_FORMAT_RGBA_ASTC_5x5x5;
1153 case PIPE_FORMAT_ASTC_6x5x5:
1154 return MESA_FORMAT_RGBA_ASTC_6x5x5;
1155 case PIPE_FORMAT_ASTC_6x6x5:
1156 return MESA_FORMAT_RGBA_ASTC_6x6x5;
1157 case PIPE_FORMAT_ASTC_6x6x6:
1158 return MESA_FORMAT_RGBA_ASTC_6x6x6;
1159 case PIPE_FORMAT_ASTC_3x3x3_SRGB:
1160 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3;
1161 case PIPE_FORMAT_ASTC_4x3x3_SRGB:
1162 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3;
1163 case PIPE_FORMAT_ASTC_4x4x3_SRGB:
1164 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3;
1165 case PIPE_FORMAT_ASTC_4x4x4_SRGB:
1166 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4;
1167 case PIPE_FORMAT_ASTC_5x4x4_SRGB:
1168 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4;
1169 case PIPE_FORMAT_ASTC_5x5x4_SRGB:
1170 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4;
1171 case PIPE_FORMAT_ASTC_5x5x5_SRGB:
1172 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5;
1173 case PIPE_FORMAT_ASTC_6x5x5_SRGB:
1174 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5;
1175 case PIPE_FORMAT_ASTC_6x6x5_SRGB:
1176 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5;
1177 case PIPE_FORMAT_ASTC_6x6x6_SRGB:
1178 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6;
1179
1180 case PIPE_FORMAT_ATC_RGB:
1181 return MESA_FORMAT_ATC_RGB;
1182 case PIPE_FORMAT_ATC_RGBA_EXPLICIT:
1183 return MESA_FORMAT_ATC_RGBA_EXPLICIT;
1184 case PIPE_FORMAT_ATC_RGBA_INTERPOLATED:
1185 return MESA_FORMAT_ATC_RGBA_INTERPOLATED;
1186
1187 default:
1188 return MESA_FORMAT_NONE;
1189 }
1190 }
1191
1192 /**
1193 * Map GL texture formats to Gallium pipe formats.
1194 */
1195 struct format_mapping
1196 {
1197 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
1198 enum pipe_format pipeFormats[14]; /**< list of pipe formats, 0-terminated */
1199 };
1200
1201
1202 #define DEFAULT_RGBA_FORMATS \
1203 PIPE_FORMAT_R8G8B8A8_UNORM, \
1204 PIPE_FORMAT_B8G8R8A8_UNORM, \
1205 PIPE_FORMAT_A8R8G8B8_UNORM, \
1206 PIPE_FORMAT_A8B8G8R8_UNORM, \
1207 0
1208
1209 #define DEFAULT_RGB_FORMATS \
1210 PIPE_FORMAT_R8G8B8X8_UNORM, \
1211 PIPE_FORMAT_B8G8R8X8_UNORM, \
1212 PIPE_FORMAT_X8R8G8B8_UNORM, \
1213 PIPE_FORMAT_X8B8G8R8_UNORM, \
1214 PIPE_FORMAT_B5G6R5_UNORM, \
1215 DEFAULT_RGBA_FORMATS
1216
1217 #define DEFAULT_SRGBA_FORMATS \
1218 PIPE_FORMAT_R8G8B8A8_SRGB, \
1219 PIPE_FORMAT_B8G8R8A8_SRGB, \
1220 PIPE_FORMAT_A8R8G8B8_SRGB, \
1221 PIPE_FORMAT_A8B8G8R8_SRGB, \
1222 0
1223
1224 #define DEFAULT_DEPTH_FORMATS \
1225 PIPE_FORMAT_Z24X8_UNORM, \
1226 PIPE_FORMAT_X8Z24_UNORM, \
1227 PIPE_FORMAT_Z16_UNORM, \
1228 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
1229 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
1230 0
1231
1232 #define DEFAULT_SNORM8_RGBA_FORMATS \
1233 PIPE_FORMAT_R8G8B8A8_SNORM, \
1234 0
1235
1236 #define DEFAULT_UNORM16_RGBA_FORMATS \
1237 PIPE_FORMAT_R16G16B16A16_UNORM, \
1238 DEFAULT_RGBA_FORMATS
1239
1240
1241 /**
1242 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
1243 * Multiple GL enums might map to multiple pipe_formats.
1244 * The first pipe format in the list that's supported is the one that's chosen.
1245 */
1246 static const struct format_mapping format_map[] = {
1247 /* Basic RGB, RGBA formats */
1248 {
1249 { GL_RGB10, 0 },
1250 { PIPE_FORMAT_R10G10B10X2_UNORM, PIPE_FORMAT_B10G10R10X2_UNORM,
1251 PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
1252 DEFAULT_RGB_FORMATS }
1253 },
1254 {
1255 { GL_RGB10_A2, 0 },
1256 { PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
1257 DEFAULT_RGBA_FORMATS }
1258 },
1259 {
1260 { 4, GL_RGBA, GL_RGBA8, 0 },
1261 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
1262 },
1263 {
1264 { GL_BGRA, 0 },
1265 { DEFAULT_RGBA_FORMATS }
1266 },
1267 {
1268 { 3, GL_RGB, GL_RGB8, 0 },
1269 { PIPE_FORMAT_R8G8B8X8_UNORM, DEFAULT_RGB_FORMATS }
1270 },
1271 {
1272 { GL_RGB12, GL_RGB16, 0 },
1273 { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1274 DEFAULT_RGB_FORMATS }
1275 },
1276 {
1277 { GL_RGBA12, GL_RGBA16, 0 },
1278 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
1279 },
1280 {
1281 { GL_RGBA4, GL_RGBA2, 0 },
1282 { PIPE_FORMAT_B4G4R4A4_UNORM, PIPE_FORMAT_A4B4G4R4_UNORM,
1283 DEFAULT_RGBA_FORMATS }
1284 },
1285 {
1286 { GL_RGB5_A1, 0 },
1287 { PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
1288 DEFAULT_RGBA_FORMATS }
1289 },
1290 {
1291 { GL_R3_G3_B2, 0 },
1292 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
1293 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
1294 },
1295 {
1296 { GL_RGB4 },
1297 { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
1298 PIPE_FORMAT_A4B4G4R4_UNORM,
1299 DEFAULT_RGB_FORMATS }
1300 },
1301 {
1302 { GL_RGB5 },
1303 { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_X1B5G5R5_UNORM,
1304 PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
1305 DEFAULT_RGB_FORMATS }
1306 },
1307 {
1308 { GL_RGB565 },
1309 { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
1310 },
1311
1312 /* basic Alpha formats */
1313 {
1314 { GL_ALPHA12, GL_ALPHA16, 0 },
1315 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1316 PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
1317 },
1318 {
1319 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
1320 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
1321 },
1322
1323 /* basic Luminance formats */
1324 {
1325 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
1326 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1327 PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
1328 },
1329 {
1330 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
1331 { PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGB_FORMATS }
1332 },
1333
1334 /* basic Luminance/Alpha formats */
1335 {
1336 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
1337 GL_LUMINANCE16_ALPHA16, 0},
1338 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1339 PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1340 },
1341 {
1342 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
1343 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1344 },
1345 {
1346 { GL_LUMINANCE4_ALPHA4, 0 },
1347 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
1348 DEFAULT_RGBA_FORMATS }
1349 },
1350
1351 /* basic Intensity formats */
1352 {
1353 { GL_INTENSITY12, GL_INTENSITY16, 0 },
1354 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1355 PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
1356 },
1357 {
1358 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
1359 GL_COMPRESSED_INTENSITY, 0 },
1360 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
1361 },
1362
1363 /* YCbCr */
1364 {
1365 { GL_YCBCR_MESA, 0 },
1366 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
1367 },
1368
1369 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
1370 {
1371 { GL_COMPRESSED_RGB, 0 },
1372 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
1373 },
1374 {
1375 { GL_COMPRESSED_RGBA, 0 },
1376 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
1377 },
1378 {
1379 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
1380 { PIPE_FORMAT_DXT1_RGB, 0 }
1381 },
1382 {
1383 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
1384 { PIPE_FORMAT_DXT1_RGBA, 0 }
1385 },
1386 {
1387 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
1388 { PIPE_FORMAT_DXT3_RGBA, 0 }
1389 },
1390 {
1391 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
1392 { PIPE_FORMAT_DXT5_RGBA, 0 }
1393 },
1394
1395 #if 0
1396 {
1397 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
1398 { PIPE_FORMAT_RGB_FXT1, 0 }
1399 },
1400 {
1401 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
1402 { PIPE_FORMAT_RGBA_FXT1, 0 }
1403 },
1404 #endif
1405
1406 /* Depth formats */
1407 {
1408 { GL_DEPTH_COMPONENT16, 0 },
1409 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
1410 },
1411 {
1412 { GL_DEPTH_COMPONENT24, 0 },
1413 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
1414 DEFAULT_DEPTH_FORMATS }
1415 },
1416 {
1417 { GL_DEPTH_COMPONENT32, 0 },
1418 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
1419 },
1420 {
1421 { GL_DEPTH_COMPONENT, 0 },
1422 { DEFAULT_DEPTH_FORMATS }
1423 },
1424 {
1425 { GL_DEPTH_COMPONENT32F, 0 },
1426 { PIPE_FORMAT_Z32_FLOAT, 0 }
1427 },
1428
1429 /* stencil formats */
1430 {
1431 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
1432 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
1433 {
1434 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
1435 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
1436 }
1437 },
1438
1439 /* Depth / Stencil formats */
1440 {
1441 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
1442 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
1443 },
1444 {
1445 { GL_DEPTH32F_STENCIL8, 0 },
1446 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1447 },
1448
1449 /* sRGB formats */
1450 {
1451 { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
1452 { PIPE_FORMAT_R8G8B8X8_SRGB, PIPE_FORMAT_B8G8R8X8_SRGB,
1453 DEFAULT_SRGBA_FORMATS }
1454 },
1455 {
1456 { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1457 { PIPE_FORMAT_R8G8B8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1458 },
1459 {
1460 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1461 { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
1462 PIPE_FORMAT_B8G8R8X8_SRGB, DEFAULT_SRGBA_FORMATS }
1463 },
1464 {
1465 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1466 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1467 },
1468 {
1469 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1470 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1471 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1472 },
1473 {
1474 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1475 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1476 },
1477 {
1478 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1479 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1480 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1481 },
1482 {
1483 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
1484 0 },
1485 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1486 },
1487 {
1488 { GL_SR8_EXT, 0 },
1489 { PIPE_FORMAT_R8_SRGB, 0 }
1490 },
1491
1492 /* 16-bit float formats */
1493 {
1494 { GL_RGBA16F_ARB, 0 },
1495 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1496 },
1497 {
1498 { GL_RGB16F_ARB, 0 },
1499 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
1500 PIPE_FORMAT_R16G16B16A16_FLOAT,
1501 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1502 },
1503 {
1504 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1505 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1506 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1507 },
1508 {
1509 { GL_ALPHA16F_ARB, 0 },
1510 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1511 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1512 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1513 },
1514 {
1515 { GL_INTENSITY16F_ARB, 0 },
1516 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1517 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1518 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1519 },
1520 {
1521 { GL_LUMINANCE16F_ARB, 0 },
1522 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1523 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1524 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1525 },
1526 {
1527 { GL_R16F, 0 },
1528 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1529 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1530 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1531 },
1532 {
1533 { GL_RG16F, 0 },
1534 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1535 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1536 },
1537
1538 /* 32-bit float formats */
1539 {
1540 { GL_RGBA32F_ARB, 0 },
1541 { PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1542 },
1543 {
1544 { GL_RGB32F_ARB, 0 },
1545 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
1546 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1547 },
1548 {
1549 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1550 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1551 },
1552 {
1553 { GL_ALPHA32F_ARB, 0 },
1554 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1555 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1556 },
1557 {
1558 { GL_INTENSITY32F_ARB, 0 },
1559 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1560 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1561 },
1562 {
1563 { GL_LUMINANCE32F_ARB, 0 },
1564 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1565 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1566 },
1567 {
1568 { GL_R32F, 0 },
1569 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1570 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1571 },
1572 {
1573 { GL_RG32F, 0 },
1574 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1575 },
1576
1577 /* R, RG formats */
1578 {
1579 { GL_RED, GL_R8, 0 },
1580 { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1581 },
1582 {
1583 { GL_RG, GL_RG8, 0 },
1584 { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1585 },
1586 {
1587 { GL_R16, 0 },
1588 { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
1589 DEFAULT_UNORM16_RGBA_FORMATS }
1590 },
1591 {
1592 { GL_RG16, 0 },
1593 { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
1594 },
1595
1596 /* compressed R, RG formats */
1597 {
1598 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1599 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
1600 },
1601 {
1602 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1603 { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1604 },
1605 {
1606 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1607 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1608 },
1609 {
1610 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1611 { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1612 },
1613 {
1614 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1615 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
1616 },
1617 {
1618 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1619 { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1620 },
1621 {
1622 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1623 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1624 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1625 },
1626 {
1627 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1628 { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1629 },
1630
1631 /* ETC1 */
1632 {
1633 { GL_ETC1_RGB8_OES, 0 },
1634 { PIPE_FORMAT_ETC1_RGB8, 0 }
1635 },
1636
1637 /* ETC2 */
1638 {
1639 { GL_COMPRESSED_RGB8_ETC2, 0 },
1640 { PIPE_FORMAT_ETC2_RGB8, 0 }
1641 },
1642 {
1643 { GL_COMPRESSED_SRGB8_ETC2, 0 },
1644 { PIPE_FORMAT_ETC2_SRGB8, 0 }
1645 },
1646 {
1647 { GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
1648 { PIPE_FORMAT_ETC2_RGB8A1, 0 }
1649 },
1650 {
1651 { GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
1652 { PIPE_FORMAT_ETC2_SRGB8A1, 0 }
1653 },
1654 {
1655 { GL_COMPRESSED_RGBA8_ETC2_EAC, 0 },
1656 { PIPE_FORMAT_ETC2_RGBA8, 0 }
1657 },
1658 {
1659 { GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 0 },
1660 { PIPE_FORMAT_ETC2_SRGBA8, 0 }
1661 },
1662 {
1663 { GL_COMPRESSED_R11_EAC, 0 },
1664 { PIPE_FORMAT_ETC2_R11_UNORM, 0 }
1665 },
1666 {
1667 { GL_COMPRESSED_SIGNED_R11_EAC, 0 },
1668 { PIPE_FORMAT_ETC2_R11_SNORM, 0 }
1669 },
1670 {
1671 { GL_COMPRESSED_RG11_EAC, 0 },
1672 { PIPE_FORMAT_ETC2_RG11_UNORM, 0 }
1673 },
1674 {
1675 { GL_COMPRESSED_SIGNED_RG11_EAC, 0 },
1676 { PIPE_FORMAT_ETC2_RG11_SNORM, 0 }
1677 },
1678
1679 /* BPTC */
1680 {
1681 { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 },
1682 { PIPE_FORMAT_BPTC_RGBA_UNORM, 0 },
1683 },
1684 {
1685 { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, 0 },
1686 { PIPE_FORMAT_BPTC_SRGBA, 0 },
1687 },
1688 {
1689 { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, 0 },
1690 { PIPE_FORMAT_BPTC_RGB_FLOAT, 0 },
1691 },
1692 {
1693 { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 0 },
1694 { PIPE_FORMAT_BPTC_RGB_UFLOAT, 0 },
1695 },
1696
1697 /* ASTC */
1698 {
1699 { GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 0 },
1700 { PIPE_FORMAT_ASTC_4x4, 0},
1701 },
1702 {
1703 { GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 0 },
1704 { PIPE_FORMAT_ASTC_5x4, 0},
1705 },
1706 {
1707 { GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 0 },
1708 { PIPE_FORMAT_ASTC_5x5, 0},
1709 },
1710 {
1711 { GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 0 },
1712 { PIPE_FORMAT_ASTC_6x5, 0},
1713 },
1714 {
1715 { GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 0 },
1716 { PIPE_FORMAT_ASTC_6x6, 0},
1717 },
1718 {
1719 { GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 0 },
1720 { PIPE_FORMAT_ASTC_8x5, 0},
1721 },
1722 {
1723 { GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 0 },
1724 { PIPE_FORMAT_ASTC_8x6, 0},
1725 },
1726 {
1727 { GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 0 },
1728 { PIPE_FORMAT_ASTC_8x8, 0},
1729 },
1730 {
1731 { GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 0 },
1732 { PIPE_FORMAT_ASTC_10x5, 0},
1733 },
1734 {
1735 { GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 0 },
1736 { PIPE_FORMAT_ASTC_10x6, 0},
1737 },
1738 {
1739 { GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 0 },
1740 { PIPE_FORMAT_ASTC_10x8, 0},
1741 },
1742 {
1743 { GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 0 },
1744 { PIPE_FORMAT_ASTC_10x10, 0},
1745 },
1746 {
1747 { GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 0 },
1748 { PIPE_FORMAT_ASTC_12x10, 0},
1749 },
1750 {
1751 { GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 0 },
1752 { PIPE_FORMAT_ASTC_12x12, 0},
1753 },
1754
1755 {
1756 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 0 },
1757 { PIPE_FORMAT_ASTC_4x4_SRGB, 0},
1758 },
1759 {
1760 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 0 },
1761 { PIPE_FORMAT_ASTC_5x4_SRGB, 0},
1762 },
1763 {
1764 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 0 },
1765 { PIPE_FORMAT_ASTC_5x5_SRGB, 0},
1766 },
1767 {
1768 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 0 },
1769 { PIPE_FORMAT_ASTC_6x5_SRGB, 0},
1770 },
1771 {
1772 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 0 },
1773 { PIPE_FORMAT_ASTC_6x6_SRGB, 0},
1774 },
1775 {
1776 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 0 },
1777 { PIPE_FORMAT_ASTC_8x5_SRGB, 0},
1778 },
1779 {
1780 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 0 },
1781 { PIPE_FORMAT_ASTC_8x6_SRGB, 0},
1782 },
1783 {
1784 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 0 },
1785 { PIPE_FORMAT_ASTC_8x8_SRGB, 0},
1786 },
1787 {
1788 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 0 },
1789 { PIPE_FORMAT_ASTC_10x5_SRGB, 0},
1790 },
1791 {
1792 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 0 },
1793 { PIPE_FORMAT_ASTC_10x6_SRGB, 0},
1794 },
1795 {
1796 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 0 },
1797 { PIPE_FORMAT_ASTC_10x8_SRGB, 0},
1798 },
1799 {
1800 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 0 },
1801 { PIPE_FORMAT_ASTC_10x10_SRGB, 0},
1802 },
1803 {
1804 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 0 },
1805 { PIPE_FORMAT_ASTC_12x10_SRGB, 0},
1806 },
1807 {
1808 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 0 },
1809 { PIPE_FORMAT_ASTC_12x12_SRGB, 0},
1810 },
1811
1812 /* signed/unsigned integer formats.
1813 */
1814 {
1815 { GL_RGBA_INTEGER_EXT,
1816 GL_BGRA_INTEGER_EXT,
1817 GL_RGBA8I_EXT, 0 },
1818 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1819 },
1820 {
1821 { GL_RGB_INTEGER_EXT,
1822 GL_BGR_INTEGER_EXT,
1823 GL_RGB8I_EXT,
1824 GL_BLUE_INTEGER_EXT, 0 },
1825 { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
1826 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1827 },
1828 {
1829 { GL_ALPHA_INTEGER_EXT,
1830 GL_ALPHA8I_EXT, 0 },
1831 { PIPE_FORMAT_A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1832 },
1833 {
1834 { GL_ALPHA16I_EXT, 0 },
1835 { PIPE_FORMAT_A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1836 },
1837 {
1838 { GL_ALPHA32I_EXT, 0 },
1839 { PIPE_FORMAT_A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1840 },
1841 {
1842 { GL_ALPHA8UI_EXT, 0 },
1843 { PIPE_FORMAT_A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1844 },
1845 {
1846 { GL_ALPHA16UI_EXT, 0 },
1847 { PIPE_FORMAT_A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1848 },
1849 {
1850 { GL_ALPHA32UI_EXT, 0 },
1851 { PIPE_FORMAT_A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1852 },
1853 {
1854 { GL_INTENSITY8I_EXT, 0 },
1855 { PIPE_FORMAT_I8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1856 },
1857 {
1858 { GL_INTENSITY16I_EXT, 0 },
1859 { PIPE_FORMAT_I16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1860 },
1861 {
1862 { GL_INTENSITY32I_EXT, 0 },
1863 { PIPE_FORMAT_I32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1864 },
1865 {
1866 { GL_INTENSITY8UI_EXT, 0 },
1867 { PIPE_FORMAT_I8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1868 },
1869 {
1870 { GL_INTENSITY16UI_EXT, 0 },
1871 { PIPE_FORMAT_I16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1872 },
1873 {
1874 { GL_INTENSITY32UI_EXT, 0 },
1875 { PIPE_FORMAT_I32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1876 },
1877 {
1878 { GL_LUMINANCE8I_EXT, 0 },
1879 { PIPE_FORMAT_L8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1880 },
1881 {
1882 { GL_LUMINANCE16I_EXT, 0 },
1883 { PIPE_FORMAT_L16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1884 },
1885 {
1886 { GL_LUMINANCE32I_EXT, 0 },
1887 { PIPE_FORMAT_L32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1888 },
1889 {
1890 { GL_LUMINANCE_INTEGER_EXT,
1891 GL_LUMINANCE8UI_EXT, 0 },
1892 { PIPE_FORMAT_L8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1893 },
1894 {
1895 { GL_LUMINANCE16UI_EXT, 0 },
1896 { PIPE_FORMAT_L16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1897 },
1898 {
1899 { GL_LUMINANCE32UI_EXT, 0 },
1900 { PIPE_FORMAT_L32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1901 },
1902 {
1903 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1904 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1905 { PIPE_FORMAT_L8A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1906 },
1907 {
1908 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1909 { PIPE_FORMAT_L16A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1910 },
1911 {
1912 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1913 { PIPE_FORMAT_L32A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1914 },
1915 {
1916 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1917 { PIPE_FORMAT_L8A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1918 },
1919 {
1920 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1921 { PIPE_FORMAT_L16A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1922 },
1923 {
1924 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1925 { PIPE_FORMAT_L32A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1926 },
1927 {
1928 { GL_RGB16I_EXT, 0 },
1929 { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
1930 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1931 },
1932 {
1933 { GL_RGBA16I_EXT, 0 },
1934 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1935 },
1936 {
1937 { GL_RGB32I_EXT, 0 },
1938 { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
1939 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1940 },
1941 {
1942 { GL_RGBA32I_EXT, 0 },
1943 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1944 },
1945 {
1946 { GL_RGBA8UI_EXT, 0 },
1947 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1948 },
1949 {
1950 { GL_RGB8UI_EXT, 0 },
1951 { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
1952 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1953 },
1954 {
1955 { GL_RGB16UI_EXT, 0 },
1956 { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
1957 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1958 },
1959 {
1960 { GL_RGBA16UI_EXT, 0 },
1961 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1962 },
1963 {
1964 { GL_RGB32UI_EXT, 0},
1965 { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
1966 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1967 },
1968 {
1969 { GL_RGBA32UI_EXT, 0},
1970 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1971 },
1972 {
1973 { GL_R8I, GL_RED_INTEGER_EXT, 0},
1974 { PIPE_FORMAT_R8_SINT, 0},
1975 },
1976 {
1977 { GL_R16I, 0},
1978 { PIPE_FORMAT_R16_SINT, 0},
1979 },
1980 {
1981 { GL_R32I, 0},
1982 { PIPE_FORMAT_R32_SINT, 0},
1983 },
1984 {
1985 { GL_R8UI, 0},
1986 { PIPE_FORMAT_R8_UINT, 0},
1987 },
1988 {
1989 { GL_R16UI, 0},
1990 { PIPE_FORMAT_R16_UINT, 0},
1991 },
1992 {
1993 { GL_R32UI, 0},
1994 { PIPE_FORMAT_R32_UINT, 0},
1995 },
1996 {
1997 { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
1998 { PIPE_FORMAT_R8G8_SINT, 0},
1999 },
2000 {
2001 { GL_RG16I, 0},
2002 { PIPE_FORMAT_R16G16_SINT, 0},
2003 },
2004 {
2005 { GL_RG32I, 0},
2006 { PIPE_FORMAT_R32G32_SINT, 0},
2007 },
2008 {
2009 { GL_RG8UI, 0},
2010 { PIPE_FORMAT_R8G8_UINT, 0},
2011 },
2012 {
2013 { GL_RG16UI, 0},
2014 { PIPE_FORMAT_R16G16_UINT, 0},
2015 },
2016 {
2017 { GL_RG32UI, 0},
2018 { PIPE_FORMAT_R32G32_UINT, 0},
2019 },
2020 /* signed normalized formats */
2021 {
2022 { GL_RED_SNORM, GL_R8_SNORM, 0 },
2023 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
2024 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2025 },
2026 {
2027 { GL_R16_SNORM, 0 },
2028 { PIPE_FORMAT_R16_SNORM,
2029 PIPE_FORMAT_R16G16_SNORM,
2030 PIPE_FORMAT_R16G16B16A16_SNORM,
2031 PIPE_FORMAT_R8_SNORM,
2032 PIPE_FORMAT_R8G8_SNORM,
2033 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2034 },
2035 {
2036 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
2037 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2038 },
2039 {
2040 { GL_RG16_SNORM, 0 },
2041 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2042 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2043 },
2044 {
2045 { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
2046 { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2047 },
2048 {
2049 { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
2050 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2051 },
2052 {
2053 { GL_RGB16_SNORM, 0 },
2054 { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2055 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2056 },
2057 {
2058 { GL_RGBA16_SNORM, 0 },
2059 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2060 },
2061 {
2062 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
2063 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2064 },
2065 {
2066 { GL_ALPHA16_SNORM, 0 },
2067 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2068 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2069 },
2070 {
2071 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
2072 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2073 },
2074 {
2075 { GL_LUMINANCE16_SNORM, 0 },
2076 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2077 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2078 },
2079 {
2080 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
2081 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2082 },
2083 {
2084 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
2085 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2086 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2087 },
2088 {
2089 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
2090 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2091 },
2092 {
2093 { GL_INTENSITY16_SNORM, 0 },
2094 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2095 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2096 },
2097 {
2098 { GL_RGB9_E5, 0 },
2099 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
2100 },
2101 {
2102 { GL_R11F_G11F_B10F, 0 },
2103 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
2104 },
2105 {
2106 { GL_RGB10_A2UI, 0 },
2107 { PIPE_FORMAT_R10G10B10A2_UINT, PIPE_FORMAT_B10G10R10A2_UINT, 0 }
2108 },
2109 };
2110
2111
2112 /**
2113 * Return first supported format from the given list.
2114 * \param allow_dxt indicates whether it's OK to return a DXT format.
2115 */
2116 static enum pipe_format
2117 find_supported_format(struct pipe_screen *screen,
2118 const enum pipe_format formats[],
2119 enum pipe_texture_target target,
2120 unsigned sample_count,
2121 unsigned storage_sample_count,
2122 unsigned bindings,
2123 boolean allow_dxt)
2124 {
2125 uint i;
2126 for (i = 0; formats[i]; i++) {
2127 if (screen->is_format_supported(screen, formats[i], target,
2128 sample_count, storage_sample_count,
2129 bindings)) {
2130 if (!allow_dxt && util_format_is_s3tc(formats[i])) {
2131 /* we can't return a dxt format, continue searching */
2132 continue;
2133 }
2134
2135 return formats[i];
2136 }
2137 }
2138 return PIPE_FORMAT_NONE;
2139 }
2140
2141
2142 struct exact_format_mapping
2143 {
2144 GLenum format;
2145 GLenum type;
2146 enum pipe_format pformat;
2147 };
2148
2149 static const struct exact_format_mapping rgba8888_tbl[] =
2150 {
2151 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ABGR8888_UNORM },
2152 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_ABGR8888_UNORM },
2153 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBA8888_UNORM },
2154 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBA8888_UNORM },
2155 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ARGB8888_UNORM },
2156 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRA8888_UNORM },
2157 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
2158 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
2159 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
2160 { 0, 0, 0 }
2161 };
2162
2163 static const struct exact_format_mapping rgbx8888_tbl[] =
2164 {
2165 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XBGR8888_UNORM },
2166 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_XBGR8888_UNORM },
2167 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBX8888_UNORM },
2168 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBX8888_UNORM },
2169 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XRGB8888_UNORM },
2170 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRX8888_UNORM },
2171 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
2172 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
2173 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
2174 { 0, 0, 0 }
2175 };
2176
2177
2178 /**
2179 * For unsized/base internal formats, we may choose a convenient effective
2180 * internal format for {format, type}. If one exists, return that, otherwise
2181 * return PIPE_FORMAT_NONE.
2182 */
2183 static enum pipe_format
2184 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
2185 {
2186 uint i;
2187 const struct exact_format_mapping* tbl;
2188
2189 if (format == GL_NONE || type == GL_NONE)
2190 return PIPE_FORMAT_NONE;
2191
2192 switch (internalFormat) {
2193 case 4:
2194 case GL_RGBA:
2195 tbl = rgba8888_tbl;
2196 break;
2197 case 3:
2198 case GL_RGB:
2199 tbl = rgbx8888_tbl;
2200 break;
2201 default:
2202 return PIPE_FORMAT_NONE;
2203 }
2204
2205 for (i = 0; tbl[i].format; i++)
2206 if (tbl[i].format == format && tbl[i].type == type)
2207 return tbl[i].pformat;
2208
2209 return PIPE_FORMAT_NONE;
2210 }
2211
2212
2213 /**
2214 * Given an OpenGL internalFormat value for a texture or surface, return
2215 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
2216 * This is called during glTexImage2D, for example.
2217 *
2218 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
2219 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
2220 * we want render-to-texture ability.
2221 *
2222 * \param internalFormat the user value passed to glTexImage2D
2223 * \param target one of PIPE_TEXTURE_x
2224 * \param bindings bitmask of PIPE_BIND_x flags.
2225 * \param allow_dxt indicates whether it's OK to return a DXT format. This
2226 * only matters when internalFormat names a generic or
2227 * specific compressed format. And that should only happen
2228 * when we're getting called from gl[Copy]TexImage().
2229 */
2230 enum pipe_format
2231 st_choose_format(struct st_context *st, GLenum internalFormat,
2232 GLenum format, GLenum type,
2233 enum pipe_texture_target target, unsigned sample_count,
2234 unsigned storage_sample_count,
2235 unsigned bindings, boolean allow_dxt)
2236 {
2237 struct pipe_screen *screen = st->pipe->screen;
2238 unsigned i;
2239 int j;
2240 enum pipe_format pf;
2241
2242 /* can't render to compressed formats at this time */
2243 if (_mesa_is_compressed_format(st->ctx, internalFormat)
2244 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
2245 return PIPE_FORMAT_NONE;
2246 }
2247
2248 /* search for exact matches */
2249 pf = find_exact_format(internalFormat, format, type);
2250 if (pf != PIPE_FORMAT_NONE &&
2251 screen->is_format_supported(screen, pf, target, sample_count,
2252 storage_sample_count, bindings)) {
2253 goto success;
2254 }
2255
2256 /* For an unsized GL_RGB but a 2_10_10_10 type, try to pick one of the
2257 * 2_10_10_10 formats. This is important for
2258 * GL_EXT_texture_type_2_10_10_10_EXT support, which says that these
2259 * formats are not color-renderable. Mesa's check for making those
2260 * non-color-renderable is based on our chosen format being 2101010.
2261 */
2262 if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
2263 if (internalFormat == GL_RGB)
2264 internalFormat = GL_RGB10;
2265 else if (internalFormat == GL_RGBA)
2266 internalFormat = GL_RGB10_A2;
2267 }
2268
2269 /* search table for internalFormat */
2270 for (i = 0; i < ARRAY_SIZE(format_map); i++) {
2271 const struct format_mapping *mapping = &format_map[i];
2272 for (j = 0; mapping->glFormats[j]; j++) {
2273 if (mapping->glFormats[j] == internalFormat) {
2274 /* Found the desired internal format. Find first pipe format
2275 * which is supported by the driver.
2276 */
2277 pf = find_supported_format(screen, mapping->pipeFormats,
2278 target, sample_count,
2279 storage_sample_count, bindings,
2280 allow_dxt);
2281 goto success;
2282 }
2283 }
2284 }
2285
2286 _mesa_problem(NULL, "unhandled format!\n");
2287 return PIPE_FORMAT_NONE;
2288
2289 success:
2290 if (0) {
2291 debug_printf("%s(fmt=%s, type=%s, intFmt=%s) = %s\n",
2292 __FUNCTION__,
2293 _mesa_enum_to_string(format),
2294 _mesa_enum_to_string(type),
2295 _mesa_enum_to_string(internalFormat),
2296 util_format_name(pf));
2297 }
2298 return pf;
2299 }
2300
2301
2302 /**
2303 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
2304 */
2305 enum pipe_format
2306 st_choose_renderbuffer_format(struct st_context *st,
2307 GLenum internalFormat, unsigned sample_count,
2308 unsigned storage_sample_count)
2309 {
2310 unsigned bindings;
2311 if (_mesa_is_depth_or_stencil_format(internalFormat))
2312 bindings = PIPE_BIND_DEPTH_STENCIL;
2313 else
2314 bindings = PIPE_BIND_RENDER_TARGET;
2315 return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
2316 PIPE_TEXTURE_2D, sample_count,
2317 storage_sample_count, bindings, FALSE);
2318 }
2319
2320
2321 /**
2322 * Given an OpenGL user-requested format and type, and swapBytes state,
2323 * return the format which exactly matches those parameters, so that
2324 * a memcpy-based transfer can be done.
2325 *
2326 * If no format is supported, return PIPE_FORMAT_NONE.
2327 */
2328 enum pipe_format
2329 st_choose_matching_format(struct st_context *st, unsigned bind,
2330 GLenum format, GLenum type, GLboolean swapBytes)
2331 {
2332 struct pipe_screen *screen = st->pipe->screen;
2333 mesa_format mesa_format;
2334
2335 for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
2336 if (_mesa_is_format_srgb(mesa_format)) {
2337 continue;
2338 }
2339 if (_mesa_get_format_bits(mesa_format, GL_TEXTURE_INTENSITY_SIZE) > 0) {
2340 /* If `format` is GL_RED/GL_RED_INTEGER, then we might match some
2341 * intensity formats, which we don't want.
2342 */
2343 continue;
2344 }
2345
2346 if (_mesa_format_matches_format_and_type(mesa_format, format, type,
2347 swapBytes, NULL)) {
2348 enum pipe_format format =
2349 st_mesa_format_to_pipe_format(st, mesa_format);
2350
2351 if (format &&
2352 screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
2353 0, 0, bind)) {
2354 return format;
2355 }
2356 /* It's unlikely to find 2 matching Mesa formats. */
2357 break;
2358 }
2359 }
2360 return PIPE_FORMAT_NONE;
2361 }
2362
2363
2364 /**
2365 * Called via ctx->Driver.ChooseTextureFormat().
2366 */
2367 mesa_format
2368 st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
2369 GLint internalFormat,
2370 GLenum format, GLenum type)
2371 {
2372 struct st_context *st = st_context(ctx);
2373 enum pipe_format pFormat;
2374 mesa_format mFormat;
2375 unsigned bindings;
2376 bool is_renderbuffer = false;
2377 enum pipe_texture_target pTarget;
2378
2379 if (target == GL_RENDERBUFFER) {
2380 pTarget = PIPE_TEXTURE_2D;
2381 is_renderbuffer = true;
2382 } else {
2383 pTarget = gl_target_to_pipe(target);
2384 }
2385
2386 if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
2387 /* We don't do compression for these texture targets because of
2388 * difficulty with sub-texture updates on non-block boundaries, etc.
2389 * So change the internal format request to an uncompressed format.
2390 */
2391 internalFormat =
2392 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
2393 }
2394
2395 /* GL textures may wind up being render targets, but we don't know
2396 * that in advance. Specify potential render target flags now for formats
2397 * that we know should always be renderable.
2398 */
2399 bindings = PIPE_BIND_SAMPLER_VIEW;
2400 if (_mesa_is_depth_or_stencil_format(internalFormat))
2401 bindings |= PIPE_BIND_DEPTH_STENCIL;
2402 else if (is_renderbuffer || internalFormat == 3 || internalFormat == 4 ||
2403 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
2404 internalFormat == GL_RGBA2 ||
2405 internalFormat == GL_RGB4 || internalFormat == GL_RGBA4 ||
2406 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
2407 internalFormat == GL_BGRA ||
2408 internalFormat == GL_RGB16F ||
2409 internalFormat == GL_RGBA16F ||
2410 internalFormat == GL_RGB32F ||
2411 internalFormat == GL_RGBA32F)
2412 bindings |= PIPE_BIND_RENDER_TARGET;
2413
2414 /* GLES allows the driver to choose any format which matches
2415 * the format+type combo, because GLES only supports unsized internal
2416 * formats and expects the driver to choose whatever suits it.
2417 */
2418 if (_mesa_is_gles(ctx)) {
2419 GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
2420 GLenum basePackFormat = _mesa_base_pack_format(format);
2421 GLenum iformat = internalFormat;
2422
2423 /* Treat GL_BGRA as GL_RGBA. */
2424 if (iformat == GL_BGRA)
2425 iformat = GL_RGBA;
2426
2427 /* Check if the internalformat is unsized and compatible
2428 * with the "format".
2429 */
2430 if (iformat == baseFormat && iformat == basePackFormat) {
2431 pFormat = st_choose_matching_format(st, bindings, format, type,
2432 ctx->Unpack.SwapBytes);
2433
2434 if (pFormat != PIPE_FORMAT_NONE)
2435 return st_pipe_format_to_mesa_format(pFormat);
2436
2437 if (!is_renderbuffer) {
2438 /* try choosing format again, this time without render
2439 * target bindings.
2440 */
2441 pFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
2442 format, type,
2443 ctx->Unpack.SwapBytes);
2444 if (pFormat != PIPE_FORMAT_NONE)
2445 return st_pipe_format_to_mesa_format(pFormat);
2446 }
2447 }
2448 }
2449
2450 pFormat = st_choose_format(st, internalFormat, format, type,
2451 pTarget, 0, 0, bindings, GL_TRUE);
2452
2453 if (pFormat == PIPE_FORMAT_NONE && !is_renderbuffer) {
2454 /* try choosing format again, this time without render target bindings */
2455 pFormat = st_choose_format(st, internalFormat, format, type,
2456 pTarget, 0, 0, PIPE_BIND_SAMPLER_VIEW,
2457 GL_TRUE);
2458 }
2459
2460 if (pFormat == PIPE_FORMAT_NONE) {
2461 mFormat = _mesa_glenum_to_compressed_format(internalFormat);
2462 if (st_compressed_format_fallback(st, mFormat))
2463 return mFormat;
2464
2465 /* no luck at all */
2466 return MESA_FORMAT_NONE;
2467 }
2468
2469 mFormat = st_pipe_format_to_mesa_format(pFormat);
2470
2471 /* Debugging aid */
2472 if (0) {
2473 debug_printf("%s(intFormat=%s, format=%s, type=%s) -> %s, %s\n",
2474 __func__,
2475 _mesa_enum_to_string(internalFormat),
2476 _mesa_enum_to_string(format),
2477 _mesa_enum_to_string(type),
2478 util_format_name(pFormat),
2479 _mesa_get_format_name(mFormat));
2480 }
2481
2482 return mFormat;
2483 }
2484
2485
2486 /**
2487 * Called via ctx->Driver.QueryInternalFormat().
2488 */
2489 static size_t
2490 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
2491 GLenum internalFormat, int samples[16])
2492 {
2493 struct st_context *st = st_context(ctx);
2494 enum pipe_format format;
2495 unsigned i, bind, num_sample_counts = 0;
2496
2497 (void) target;
2498
2499 if (_mesa_is_depth_or_stencil_format(internalFormat))
2500 bind = PIPE_BIND_DEPTH_STENCIL;
2501 else
2502 bind = PIPE_BIND_RENDER_TARGET;
2503
2504 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
2505 * formats.
2506 */
2507 if (!ctx->Extensions.EXT_sRGB) {
2508 internalFormat = _mesa_get_linear_internalformat(internalFormat);
2509 }
2510
2511 /* Set sample counts in descending order. */
2512 for (i = 16; i > 1; i--) {
2513 format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
2514 PIPE_TEXTURE_2D, i, i, bind, FALSE);
2515
2516 if (format != PIPE_FORMAT_NONE) {
2517 samples[num_sample_counts++] = i;
2518 }
2519 }
2520
2521 if (!num_sample_counts) {
2522 samples[num_sample_counts++] = 1;
2523 }
2524
2525 return num_sample_counts;
2526 }
2527
2528
2529 /**
2530 * ARB_internalformat_query2 driver hook.
2531 */
2532 void
2533 st_QueryInternalFormat(struct gl_context *ctx, GLenum target,
2534 GLenum internalFormat, GLenum pname, GLint *params)
2535 {
2536 struct st_context *st = st_context(ctx);
2537 /* The API entry-point gives us a temporary params buffer that is non-NULL
2538 * and guaranteed to have at least 16 elements.
2539 */
2540 assert(params != NULL);
2541
2542 switch (pname) {
2543 case GL_SAMPLES:
2544 st_QuerySamplesForFormat(ctx, target, internalFormat, params);
2545 break;
2546
2547 case GL_NUM_SAMPLE_COUNTS: {
2548 int samples[16];
2549 size_t num_samples;
2550 num_samples = st_QuerySamplesForFormat(ctx, target, internalFormat,
2551 samples);
2552 params[0] = (GLint) num_samples;
2553 break;
2554 }
2555 case GL_INTERNALFORMAT_PREFERRED: {
2556 params[0] = GL_NONE;
2557
2558 /* We need to resolve an internal format that is compatible with
2559 * the passed internal format, and optimal to the driver. By now,
2560 * we just validate that the passed internal format is supported by
2561 * the driver, and if so return the same internal format, otherwise
2562 * return GL_NONE.
2563 */
2564 unsigned bindings;
2565 if (_mesa_is_depth_or_stencil_format(internalFormat))
2566 bindings = PIPE_BIND_DEPTH_STENCIL;
2567 else
2568 bindings = PIPE_BIND_RENDER_TARGET;
2569 enum pipe_format pformat = st_choose_format(st,
2570 internalFormat,
2571 GL_NONE,
2572 GL_NONE,
2573 PIPE_TEXTURE_2D, 0, 0,
2574 bindings, FALSE);
2575 if (pformat)
2576 params[0] = internalFormat;
2577 break;
2578 }
2579 default:
2580 /* For the rest of the pnames, we call back the Mesa's default
2581 * function for drivers that don't implement ARB_internalformat_query2.
2582 */
2583 _mesa_query_internal_format_default(ctx, target, internalFormat, pname,
2584 params);
2585 }
2586 }
2587
2588
2589 /**
2590 * This is used for translating texture border color and the clear
2591 * color. For example, the clear color is interpreted according to
2592 * the renderbuffer's base format. For example, if clearing a
2593 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
2594 * colorOut[2] = colorIn[0].
2595 * Similarly for texture border colors.
2596 */
2597 void
2598 st_translate_color(const union gl_color_union *colorIn,
2599 union pipe_color_union *colorOut,
2600 GLenum baseFormat, GLboolean is_integer)
2601 {
2602 if (is_integer) {
2603 const int *in = colorIn->i;
2604 int *out = colorOut->i;
2605
2606 switch (baseFormat) {
2607 case GL_RED:
2608 out[0] = in[0];
2609 out[1] = 0;
2610 out[2] = 0;
2611 out[3] = 1;
2612 break;
2613 case GL_RG:
2614 out[0] = in[0];
2615 out[1] = in[1];
2616 out[2] = 0;
2617 out[3] = 1;
2618 break;
2619 case GL_RGB:
2620 out[0] = in[0];
2621 out[1] = in[1];
2622 out[2] = in[2];
2623 out[3] = 1;
2624 break;
2625 case GL_ALPHA:
2626 out[0] = out[1] = out[2] = 0;
2627 out[3] = in[3];
2628 break;
2629 case GL_LUMINANCE:
2630 out[0] = out[1] = out[2] = in[0];
2631 out[3] = 1;
2632 break;
2633 case GL_LUMINANCE_ALPHA:
2634 out[0] = out[1] = out[2] = in[0];
2635 out[3] = in[3];
2636 break;
2637 case GL_INTENSITY:
2638 out[0] = out[1] = out[2] = out[3] = in[0];
2639 break;
2640 default:
2641 COPY_4V(out, in);
2642 }
2643 }
2644 else {
2645 const float *in = colorIn->f;
2646 float *out = colorOut->f;
2647
2648 switch (baseFormat) {
2649 case GL_RED:
2650 out[0] = in[0];
2651 out[1] = 0.0F;
2652 out[2] = 0.0F;
2653 out[3] = 1.0F;
2654 break;
2655 case GL_RG:
2656 out[0] = in[0];
2657 out[1] = in[1];
2658 out[2] = 0.0F;
2659 out[3] = 1.0F;
2660 break;
2661 case GL_RGB:
2662 out[0] = in[0];
2663 out[1] = in[1];
2664 out[2] = in[2];
2665 out[3] = 1.0F;
2666 break;
2667 case GL_ALPHA:
2668 out[0] = out[1] = out[2] = 0.0F;
2669 out[3] = in[3];
2670 break;
2671 case GL_LUMINANCE:
2672 out[0] = out[1] = out[2] = in[0];
2673 out[3] = 1.0F;
2674 break;
2675 case GL_LUMINANCE_ALPHA:
2676 out[0] = out[1] = out[2] = in[0];
2677 out[3] = in[3];
2678 break;
2679 /* Stencil border is tricky on some hw. Help drivers a little here. */
2680 case GL_STENCIL_INDEX:
2681 case GL_INTENSITY:
2682 out[0] = out[1] = out[2] = out[3] = in[0];
2683 break;
2684 default:
2685 COPY_4V(out, in);
2686 }
2687 }
2688 }