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mesa/st: Move declaration to top of block.
[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(struct st_context *st, 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_R10G10B10A2_UNORM:
87 return PIPE_FORMAT_R10G10B10A2_UNORM;
88 case MESA_FORMAT_L4A4_UNORM:
89 return PIPE_FORMAT_L4A4_UNORM;
90 case MESA_FORMAT_L8A8_UNORM:
91 return PIPE_FORMAT_L8A8_UNORM;
92 case MESA_FORMAT_L16A16_UNORM:
93 return PIPE_FORMAT_L16A16_UNORM;
94 case MESA_FORMAT_A_UNORM8:
95 return PIPE_FORMAT_A8_UNORM;
96 case MESA_FORMAT_A_UNORM16:
97 return PIPE_FORMAT_A16_UNORM;
98 case MESA_FORMAT_L_UNORM8:
99 return PIPE_FORMAT_L8_UNORM;
100 case MESA_FORMAT_L_UNORM16:
101 return PIPE_FORMAT_L16_UNORM;
102 case MESA_FORMAT_I_UNORM8:
103 return PIPE_FORMAT_I8_UNORM;
104 case MESA_FORMAT_I_UNORM16:
105 return PIPE_FORMAT_I16_UNORM;
106 case MESA_FORMAT_Z_UNORM16:
107 return PIPE_FORMAT_Z16_UNORM;
108 case MESA_FORMAT_Z_UNORM32:
109 return PIPE_FORMAT_Z32_UNORM;
110 case MESA_FORMAT_S8_UINT_Z24_UNORM:
111 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
112 case MESA_FORMAT_Z24_UNORM_S8_UINT:
113 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
114 case MESA_FORMAT_X8_UINT_Z24_UNORM:
115 return PIPE_FORMAT_X8Z24_UNORM;
116 case MESA_FORMAT_Z24_UNORM_X8_UINT:
117 return PIPE_FORMAT_Z24X8_UNORM;
118 case MESA_FORMAT_S_UINT8:
119 return PIPE_FORMAT_S8_UINT;
120 case MESA_FORMAT_Z_FLOAT32:
121 return PIPE_FORMAT_Z32_FLOAT;
122 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
123 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
124 case MESA_FORMAT_YCBCR:
125 return PIPE_FORMAT_UYVY;
126 case MESA_FORMAT_YCBCR_REV:
127 return PIPE_FORMAT_YUYV;
128 case MESA_FORMAT_RGB_DXT1:
129 return PIPE_FORMAT_DXT1_RGB;
130 case MESA_FORMAT_RGBA_DXT1:
131 return PIPE_FORMAT_DXT1_RGBA;
132 case MESA_FORMAT_RGBA_DXT3:
133 return PIPE_FORMAT_DXT3_RGBA;
134 case MESA_FORMAT_RGBA_DXT5:
135 return PIPE_FORMAT_DXT5_RGBA;
136 case MESA_FORMAT_SRGB_DXT1:
137 return PIPE_FORMAT_DXT1_SRGB;
138 case MESA_FORMAT_SRGBA_DXT1:
139 return PIPE_FORMAT_DXT1_SRGBA;
140 case MESA_FORMAT_SRGBA_DXT3:
141 return PIPE_FORMAT_DXT3_SRGBA;
142 case MESA_FORMAT_SRGBA_DXT5:
143 return PIPE_FORMAT_DXT5_SRGBA;
144 case MESA_FORMAT_L8A8_SRGB:
145 return PIPE_FORMAT_L8A8_SRGB;
146 case MESA_FORMAT_L_SRGB8:
147 return PIPE_FORMAT_L8_SRGB;
148 case MESA_FORMAT_BGR_SRGB8:
149 return PIPE_FORMAT_R8G8B8_SRGB;
150 case MESA_FORMAT_A8B8G8R8_SRGB:
151 return PIPE_FORMAT_A8B8G8R8_SRGB;
152 case MESA_FORMAT_B8G8R8A8_SRGB:
153 return PIPE_FORMAT_B8G8R8A8_SRGB;
154 case MESA_FORMAT_R8G8B8A8_SRGB:
155 return PIPE_FORMAT_R8G8B8A8_SRGB;
156 case MESA_FORMAT_RGBA_FLOAT32:
157 return PIPE_FORMAT_R32G32B32A32_FLOAT;
158 case MESA_FORMAT_RGBA_FLOAT16:
159 return PIPE_FORMAT_R16G16B16A16_FLOAT;
160 case MESA_FORMAT_RGB_FLOAT32:
161 return PIPE_FORMAT_R32G32B32_FLOAT;
162 case MESA_FORMAT_RGB_FLOAT16:
163 return PIPE_FORMAT_R16G16B16_FLOAT;
164 case MESA_FORMAT_LA_FLOAT32:
165 return PIPE_FORMAT_L32A32_FLOAT;
166 case MESA_FORMAT_LA_FLOAT16:
167 return PIPE_FORMAT_L16A16_FLOAT;
168 case MESA_FORMAT_L_FLOAT32:
169 return PIPE_FORMAT_L32_FLOAT;
170 case MESA_FORMAT_L_FLOAT16:
171 return PIPE_FORMAT_L16_FLOAT;
172 case MESA_FORMAT_A_FLOAT32:
173 return PIPE_FORMAT_A32_FLOAT;
174 case MESA_FORMAT_A_FLOAT16:
175 return PIPE_FORMAT_A16_FLOAT;
176 case MESA_FORMAT_I_FLOAT32:
177 return PIPE_FORMAT_I32_FLOAT;
178 case MESA_FORMAT_I_FLOAT16:
179 return PIPE_FORMAT_I16_FLOAT;
180 case MESA_FORMAT_R_FLOAT32:
181 return PIPE_FORMAT_R32_FLOAT;
182 case MESA_FORMAT_R_FLOAT16:
183 return PIPE_FORMAT_R16_FLOAT;
184 case MESA_FORMAT_RG_FLOAT32:
185 return PIPE_FORMAT_R32G32_FLOAT;
186 case MESA_FORMAT_RG_FLOAT16:
187 return PIPE_FORMAT_R16G16_FLOAT;
188
189 case MESA_FORMAT_R_UNORM8:
190 return PIPE_FORMAT_R8_UNORM;
191 case MESA_FORMAT_R_UNORM16:
192 return PIPE_FORMAT_R16_UNORM;
193 case MESA_FORMAT_R8G8_UNORM:
194 return PIPE_FORMAT_R8G8_UNORM;
195 case MESA_FORMAT_R16G16_UNORM:
196 return PIPE_FORMAT_R16G16_UNORM;
197 case MESA_FORMAT_RGBA_UNORM16:
198 return PIPE_FORMAT_R16G16B16A16_UNORM;
199
200 /* signed int formats */
201 case MESA_FORMAT_A_UINT8:
202 return PIPE_FORMAT_A8_UINT;
203 case MESA_FORMAT_A_UINT16:
204 return PIPE_FORMAT_A16_UINT;
205 case MESA_FORMAT_A_UINT32:
206 return PIPE_FORMAT_A32_UINT;
207
208 case MESA_FORMAT_A_SINT8:
209 return PIPE_FORMAT_A8_SINT;
210 case MESA_FORMAT_A_SINT16:
211 return PIPE_FORMAT_A16_SINT;
212 case MESA_FORMAT_A_SINT32:
213 return PIPE_FORMAT_A32_SINT;
214
215 case MESA_FORMAT_I_UINT8:
216 return PIPE_FORMAT_I8_UINT;
217 case MESA_FORMAT_I_UINT16:
218 return PIPE_FORMAT_I16_UINT;
219 case MESA_FORMAT_I_UINT32:
220 return PIPE_FORMAT_I32_UINT;
221
222 case MESA_FORMAT_I_SINT8:
223 return PIPE_FORMAT_I8_SINT;
224 case MESA_FORMAT_I_SINT16:
225 return PIPE_FORMAT_I16_SINT;
226 case MESA_FORMAT_I_SINT32:
227 return PIPE_FORMAT_I32_SINT;
228
229 case MESA_FORMAT_L_UINT8:
230 return PIPE_FORMAT_L8_UINT;
231 case MESA_FORMAT_L_UINT16:
232 return PIPE_FORMAT_L16_UINT;
233 case MESA_FORMAT_L_UINT32:
234 return PIPE_FORMAT_L32_UINT;
235
236 case MESA_FORMAT_L_SINT8:
237 return PIPE_FORMAT_L8_SINT;
238 case MESA_FORMAT_L_SINT16:
239 return PIPE_FORMAT_L16_SINT;
240 case MESA_FORMAT_L_SINT32:
241 return PIPE_FORMAT_L32_SINT;
242
243 case MESA_FORMAT_LA_UINT8:
244 return PIPE_FORMAT_L8A8_UINT;
245 case MESA_FORMAT_LA_UINT16:
246 return PIPE_FORMAT_L16A16_UINT;
247 case MESA_FORMAT_LA_UINT32:
248 return PIPE_FORMAT_L32A32_UINT;
249
250 case MESA_FORMAT_LA_SINT8:
251 return PIPE_FORMAT_L8A8_SINT;
252 case MESA_FORMAT_LA_SINT16:
253 return PIPE_FORMAT_L16A16_SINT;
254 case MESA_FORMAT_LA_SINT32:
255 return PIPE_FORMAT_L32A32_SINT;
256
257 case MESA_FORMAT_R_SINT8:
258 return PIPE_FORMAT_R8_SINT;
259 case MESA_FORMAT_RG_SINT8:
260 return PIPE_FORMAT_R8G8_SINT;
261 case MESA_FORMAT_RGB_SINT8:
262 return PIPE_FORMAT_R8G8B8_SINT;
263 case MESA_FORMAT_RGBA_SINT8:
264 return PIPE_FORMAT_R8G8B8A8_SINT;
265 case MESA_FORMAT_R_SINT16:
266 return PIPE_FORMAT_R16_SINT;
267 case MESA_FORMAT_RG_SINT16:
268 return PIPE_FORMAT_R16G16_SINT;
269 case MESA_FORMAT_RGB_SINT16:
270 return PIPE_FORMAT_R16G16B16_SINT;
271 case MESA_FORMAT_RGBA_SINT16:
272 return PIPE_FORMAT_R16G16B16A16_SINT;
273 case MESA_FORMAT_R_SINT32:
274 return PIPE_FORMAT_R32_SINT;
275 case MESA_FORMAT_RG_SINT32:
276 return PIPE_FORMAT_R32G32_SINT;
277 case MESA_FORMAT_RGB_SINT32:
278 return PIPE_FORMAT_R32G32B32_SINT;
279 case MESA_FORMAT_RGBA_SINT32:
280 return PIPE_FORMAT_R32G32B32A32_SINT;
281
282 /* unsigned int formats */
283 case MESA_FORMAT_R_UINT8:
284 return PIPE_FORMAT_R8_UINT;
285 case MESA_FORMAT_RG_UINT8:
286 return PIPE_FORMAT_R8G8_UINT;
287 case MESA_FORMAT_RGB_UINT8:
288 return PIPE_FORMAT_R8G8B8_UINT;
289 case MESA_FORMAT_RGBA_UINT8:
290 return PIPE_FORMAT_R8G8B8A8_UINT;
291 case MESA_FORMAT_R_UINT16:
292 return PIPE_FORMAT_R16_UINT;
293 case MESA_FORMAT_RG_UINT16:
294 return PIPE_FORMAT_R16G16_UINT;
295 case MESA_FORMAT_RGB_UINT16:
296 return PIPE_FORMAT_R16G16B16_UINT;
297 case MESA_FORMAT_RGBA_UINT16:
298 return PIPE_FORMAT_R16G16B16A16_UINT;
299 case MESA_FORMAT_R_UINT32:
300 return PIPE_FORMAT_R32_UINT;
301 case MESA_FORMAT_RG_UINT32:
302 return PIPE_FORMAT_R32G32_UINT;
303 case MESA_FORMAT_RGB_UINT32:
304 return PIPE_FORMAT_R32G32B32_UINT;
305 case MESA_FORMAT_RGBA_UINT32:
306 return PIPE_FORMAT_R32G32B32A32_UINT;
307
308 case MESA_FORMAT_R_RGTC1_UNORM:
309 return PIPE_FORMAT_RGTC1_UNORM;
310 case MESA_FORMAT_R_RGTC1_SNORM:
311 return PIPE_FORMAT_RGTC1_SNORM;
312 case MESA_FORMAT_RG_RGTC2_UNORM:
313 return PIPE_FORMAT_RGTC2_UNORM;
314 case MESA_FORMAT_RG_RGTC2_SNORM:
315 return PIPE_FORMAT_RGTC2_SNORM;
316
317 case MESA_FORMAT_L_LATC1_UNORM:
318 return PIPE_FORMAT_LATC1_UNORM;
319 case MESA_FORMAT_L_LATC1_SNORM:
320 return PIPE_FORMAT_LATC1_SNORM;
321 case MESA_FORMAT_LA_LATC2_UNORM:
322 return PIPE_FORMAT_LATC2_UNORM;
323 case MESA_FORMAT_LA_LATC2_SNORM:
324 return PIPE_FORMAT_LATC2_SNORM;
325
326 /* The destination RGBA format mustn't be changed, because it's also
327 * a destination format of the unpack/decompression function. */
328 case MESA_FORMAT_ETC1_RGB8:
329 return st->has_etc1 ? PIPE_FORMAT_ETC1_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
330
331 /* signed normalized formats */
332 case MESA_FORMAT_R_SNORM8:
333 return PIPE_FORMAT_R8_SNORM;
334 case MESA_FORMAT_R8G8_SNORM:
335 return PIPE_FORMAT_R8G8_SNORM;
336 case MESA_FORMAT_R8G8B8A8_SNORM:
337 return PIPE_FORMAT_R8G8B8A8_SNORM;
338
339 case MESA_FORMAT_A_SNORM8:
340 return PIPE_FORMAT_A8_SNORM;
341 case MESA_FORMAT_L_SNORM8:
342 return PIPE_FORMAT_L8_SNORM;
343 case MESA_FORMAT_L8A8_SNORM:
344 return PIPE_FORMAT_L8A8_SNORM;
345 case MESA_FORMAT_I_SNORM8:
346 return PIPE_FORMAT_I8_SNORM;
347
348 case MESA_FORMAT_R_SNORM16:
349 return PIPE_FORMAT_R16_SNORM;
350 case MESA_FORMAT_R16G16_SNORM:
351 return PIPE_FORMAT_R16G16_SNORM;
352 case MESA_FORMAT_RGBA_SNORM16:
353 return PIPE_FORMAT_R16G16B16A16_SNORM;
354
355 case MESA_FORMAT_A_SNORM16:
356 return PIPE_FORMAT_A16_SNORM;
357 case MESA_FORMAT_L_SNORM16:
358 return PIPE_FORMAT_L16_SNORM;
359 case MESA_FORMAT_LA_SNORM16:
360 return PIPE_FORMAT_L16A16_SNORM;
361 case MESA_FORMAT_I_SNORM16:
362 return PIPE_FORMAT_I16_SNORM;
363
364 case MESA_FORMAT_R9G9B9E5_FLOAT:
365 return PIPE_FORMAT_R9G9B9E5_FLOAT;
366 case MESA_FORMAT_R11G11B10_FLOAT:
367 return PIPE_FORMAT_R11G11B10_FLOAT;
368 case MESA_FORMAT_B10G10R10A2_UINT:
369 return PIPE_FORMAT_B10G10R10A2_UINT;
370 case MESA_FORMAT_R10G10B10A2_UINT:
371 return PIPE_FORMAT_R10G10B10A2_UINT;
372
373 case MESA_FORMAT_B4G4R4X4_UNORM:
374 return PIPE_FORMAT_B4G4R4X4_UNORM;
375 case MESA_FORMAT_B5G5R5X1_UNORM:
376 return PIPE_FORMAT_B5G5R5X1_UNORM;
377 case MESA_FORMAT_R8G8B8X8_SNORM:
378 return PIPE_FORMAT_R8G8B8X8_SNORM;
379 case MESA_FORMAT_R8G8B8X8_SRGB:
380 return PIPE_FORMAT_R8G8B8X8_SRGB;
381 case MESA_FORMAT_RGBX_UINT8:
382 return PIPE_FORMAT_R8G8B8X8_UINT;
383 case MESA_FORMAT_RGBX_SINT8:
384 return PIPE_FORMAT_R8G8B8X8_SINT;
385 case MESA_FORMAT_B10G10R10X2_UNORM:
386 return PIPE_FORMAT_B10G10R10X2_UNORM;
387 case MESA_FORMAT_RGBX_UNORM16:
388 return PIPE_FORMAT_R16G16B16X16_UNORM;
389 case MESA_FORMAT_RGBX_SNORM16:
390 return PIPE_FORMAT_R16G16B16X16_SNORM;
391 case MESA_FORMAT_RGBX_FLOAT16:
392 return PIPE_FORMAT_R16G16B16X16_FLOAT;
393 case MESA_FORMAT_RGBX_UINT16:
394 return PIPE_FORMAT_R16G16B16X16_UINT;
395 case MESA_FORMAT_RGBX_SINT16:
396 return PIPE_FORMAT_R16G16B16X16_SINT;
397 case MESA_FORMAT_RGBX_FLOAT32:
398 return PIPE_FORMAT_R32G32B32X32_FLOAT;
399 case MESA_FORMAT_RGBX_UINT32:
400 return PIPE_FORMAT_R32G32B32X32_UINT;
401 case MESA_FORMAT_RGBX_SINT32:
402 return PIPE_FORMAT_R32G32B32X32_SINT;
403
404 case MESA_FORMAT_B8G8R8X8_SRGB:
405 return PIPE_FORMAT_B8G8R8X8_SRGB;
406
407 /* ETC2 formats are emulated as uncompressed ones.
408 * The destination formats mustn't be changed, because they are also
409 * destination formats of the unpack/decompression function. */
410 case MESA_FORMAT_ETC2_RGB8:
411 case MESA_FORMAT_ETC2_RGBA8_EAC:
412 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
413 return PIPE_FORMAT_R8G8B8A8_UNORM;
414 case MESA_FORMAT_ETC2_SRGB8:
415 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
416 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
417 return PIPE_FORMAT_B8G8R8A8_SRGB;
418 case MESA_FORMAT_ETC2_R11_EAC:
419 return PIPE_FORMAT_R16_UNORM;
420 case MESA_FORMAT_ETC2_RG11_EAC:
421 return PIPE_FORMAT_R16G16_UNORM;
422 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
423 return PIPE_FORMAT_R16_SNORM;
424 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
425 return PIPE_FORMAT_R16G16_SNORM;
426
427 default:
428 return PIPE_FORMAT_NONE;
429 }
430 }
431
432
433 /**
434 * Translate Gallium format to Mesa format.
435 */
436 mesa_format
437 st_pipe_format_to_mesa_format(enum pipe_format format)
438 {
439 switch (format) {
440 case PIPE_FORMAT_ABGR8888_UNORM:
441 return MESA_FORMAT_A8B8G8R8_UNORM;
442 case PIPE_FORMAT_RGBA8888_UNORM:
443 return MESA_FORMAT_R8G8B8A8_UNORM;
444 case PIPE_FORMAT_BGRA8888_UNORM:
445 return MESA_FORMAT_B8G8R8A8_UNORM;
446 case PIPE_FORMAT_ARGB8888_UNORM:
447 return MESA_FORMAT_A8R8G8B8_UNORM;
448 case PIPE_FORMAT_XBGR8888_UNORM:
449 return MESA_FORMAT_X8B8G8R8_UNORM;
450 case PIPE_FORMAT_RGBX8888_UNORM:
451 return MESA_FORMAT_R8G8B8X8_UNORM;
452 case PIPE_FORMAT_BGRX8888_UNORM:
453 return MESA_FORMAT_B8G8R8X8_UNORM;
454 case PIPE_FORMAT_XRGB8888_UNORM:
455 return MESA_FORMAT_X8R8G8B8_UNORM;
456 case PIPE_FORMAT_B5G5R5A1_UNORM:
457 return MESA_FORMAT_B5G5R5A1_UNORM;
458 case PIPE_FORMAT_B4G4R4A4_UNORM:
459 return MESA_FORMAT_B4G4R4A4_UNORM;
460 case PIPE_FORMAT_B5G6R5_UNORM:
461 return MESA_FORMAT_B5G6R5_UNORM;
462 case PIPE_FORMAT_B2G3R3_UNORM:
463 return MESA_FORMAT_B2G3R3_UNORM;
464 case PIPE_FORMAT_B10G10R10A2_UNORM:
465 return MESA_FORMAT_B10G10R10A2_UNORM;
466 case PIPE_FORMAT_R10G10B10A2_UNORM:
467 return MESA_FORMAT_R10G10B10A2_UNORM;
468 case PIPE_FORMAT_L4A4_UNORM:
469 return MESA_FORMAT_L4A4_UNORM;
470 case PIPE_FORMAT_L8A8_UNORM:
471 return MESA_FORMAT_L8A8_UNORM;
472 case PIPE_FORMAT_L16A16_UNORM:
473 return MESA_FORMAT_L16A16_UNORM;
474 case PIPE_FORMAT_A8_UNORM:
475 return MESA_FORMAT_A_UNORM8;
476 case PIPE_FORMAT_A16_UNORM:
477 return MESA_FORMAT_A_UNORM16;
478 case PIPE_FORMAT_L8_UNORM:
479 return MESA_FORMAT_L_UNORM8;
480 case PIPE_FORMAT_L16_UNORM:
481 return MESA_FORMAT_L_UNORM16;
482 case PIPE_FORMAT_I8_UNORM:
483 return MESA_FORMAT_I_UNORM8;
484 case PIPE_FORMAT_I16_UNORM:
485 return MESA_FORMAT_I_UNORM16;
486 case PIPE_FORMAT_S8_UINT:
487 return MESA_FORMAT_S_UINT8;
488
489 case PIPE_FORMAT_R16G16B16A16_UNORM:
490 return MESA_FORMAT_RGBA_UNORM16;
491
492 case PIPE_FORMAT_Z16_UNORM:
493 return MESA_FORMAT_Z_UNORM16;
494 case PIPE_FORMAT_Z32_UNORM:
495 return MESA_FORMAT_Z_UNORM32;
496 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
497 return MESA_FORMAT_S8_UINT_Z24_UNORM;
498 case PIPE_FORMAT_X8Z24_UNORM:
499 return MESA_FORMAT_X8_UINT_Z24_UNORM;
500 case PIPE_FORMAT_Z24X8_UNORM:
501 return MESA_FORMAT_Z24_UNORM_X8_UINT;
502 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
503 return MESA_FORMAT_Z24_UNORM_S8_UINT;
504 case PIPE_FORMAT_Z32_FLOAT:
505 return MESA_FORMAT_Z_FLOAT32;
506 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
507 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
508
509 case PIPE_FORMAT_UYVY:
510 return MESA_FORMAT_YCBCR;
511 case PIPE_FORMAT_YUYV:
512 return MESA_FORMAT_YCBCR_REV;
513
514 case PIPE_FORMAT_DXT1_RGB:
515 return MESA_FORMAT_RGB_DXT1;
516 case PIPE_FORMAT_DXT1_RGBA:
517 return MESA_FORMAT_RGBA_DXT1;
518 case PIPE_FORMAT_DXT3_RGBA:
519 return MESA_FORMAT_RGBA_DXT3;
520 case PIPE_FORMAT_DXT5_RGBA:
521 return MESA_FORMAT_RGBA_DXT5;
522 case PIPE_FORMAT_DXT1_SRGB:
523 return MESA_FORMAT_SRGB_DXT1;
524 case PIPE_FORMAT_DXT1_SRGBA:
525 return MESA_FORMAT_SRGBA_DXT1;
526 case PIPE_FORMAT_DXT3_SRGBA:
527 return MESA_FORMAT_SRGBA_DXT3;
528 case PIPE_FORMAT_DXT5_SRGBA:
529 return MESA_FORMAT_SRGBA_DXT5;
530 case PIPE_FORMAT_L8A8_SRGB:
531 return MESA_FORMAT_L8A8_SRGB;
532 case PIPE_FORMAT_L8_SRGB:
533 return MESA_FORMAT_L_SRGB8;
534 case PIPE_FORMAT_R8G8B8_SRGB:
535 return MESA_FORMAT_BGR_SRGB8;
536 case PIPE_FORMAT_A8B8G8R8_SRGB:
537 return MESA_FORMAT_A8B8G8R8_SRGB;
538 case PIPE_FORMAT_B8G8R8A8_SRGB:
539 return MESA_FORMAT_B8G8R8A8_SRGB;
540 case PIPE_FORMAT_R32G32B32A32_FLOAT:
541 return MESA_FORMAT_RGBA_FLOAT32;
542 case PIPE_FORMAT_R16G16B16A16_FLOAT:
543 return MESA_FORMAT_RGBA_FLOAT16;
544 case PIPE_FORMAT_R32G32B32_FLOAT:
545 return MESA_FORMAT_RGB_FLOAT32;
546 case PIPE_FORMAT_R16G16B16_FLOAT:
547 return MESA_FORMAT_RGB_FLOAT16;
548 case PIPE_FORMAT_L32A32_FLOAT:
549 return MESA_FORMAT_LA_FLOAT32;
550 case PIPE_FORMAT_L16A16_FLOAT:
551 return MESA_FORMAT_LA_FLOAT16;
552 case PIPE_FORMAT_L32_FLOAT:
553 return MESA_FORMAT_L_FLOAT32;
554 case PIPE_FORMAT_L16_FLOAT:
555 return MESA_FORMAT_L_FLOAT16;
556 case PIPE_FORMAT_A32_FLOAT:
557 return MESA_FORMAT_A_FLOAT32;
558 case PIPE_FORMAT_A16_FLOAT:
559 return MESA_FORMAT_A_FLOAT16;
560 case PIPE_FORMAT_I32_FLOAT:
561 return MESA_FORMAT_I_FLOAT32;
562 case PIPE_FORMAT_I16_FLOAT:
563 return MESA_FORMAT_I_FLOAT16;
564 case PIPE_FORMAT_R32_FLOAT:
565 return MESA_FORMAT_R_FLOAT32;
566 case PIPE_FORMAT_R16_FLOAT:
567 return MESA_FORMAT_R_FLOAT16;
568 case PIPE_FORMAT_R32G32_FLOAT:
569 return MESA_FORMAT_RG_FLOAT32;
570 case PIPE_FORMAT_R16G16_FLOAT:
571 return MESA_FORMAT_RG_FLOAT16;
572
573 case PIPE_FORMAT_R8_UNORM:
574 return MESA_FORMAT_R_UNORM8;
575 case PIPE_FORMAT_R16_UNORM:
576 return MESA_FORMAT_R_UNORM16;
577 case PIPE_FORMAT_R8G8_UNORM:
578 return MESA_FORMAT_R8G8_UNORM;
579 case PIPE_FORMAT_R16G16_UNORM:
580 return MESA_FORMAT_R16G16_UNORM;
581
582 case PIPE_FORMAT_A8_UINT:
583 return MESA_FORMAT_A_UINT8;
584 case PIPE_FORMAT_A16_UINT:
585 return MESA_FORMAT_A_UINT16;
586 case PIPE_FORMAT_A32_UINT:
587 return MESA_FORMAT_A_UINT32;
588 case PIPE_FORMAT_A8_SINT:
589 return MESA_FORMAT_A_SINT8;
590 case PIPE_FORMAT_A16_SINT:
591 return MESA_FORMAT_A_SINT16;
592 case PIPE_FORMAT_A32_SINT:
593 return MESA_FORMAT_A_SINT32;
594
595 case PIPE_FORMAT_I8_UINT:
596 return MESA_FORMAT_I_UINT8;
597 case PIPE_FORMAT_I16_UINT:
598 return MESA_FORMAT_I_UINT16;
599 case PIPE_FORMAT_I32_UINT:
600 return MESA_FORMAT_I_UINT32;
601 case PIPE_FORMAT_I8_SINT:
602 return MESA_FORMAT_I_SINT8;
603 case PIPE_FORMAT_I16_SINT:
604 return MESA_FORMAT_I_SINT16;
605 case PIPE_FORMAT_I32_SINT:
606 return MESA_FORMAT_I_SINT32;
607
608 case PIPE_FORMAT_L8_UINT:
609 return MESA_FORMAT_L_UINT8;
610 case PIPE_FORMAT_L16_UINT:
611 return MESA_FORMAT_L_UINT16;
612 case PIPE_FORMAT_L32_UINT:
613 return MESA_FORMAT_L_UINT32;
614 case PIPE_FORMAT_L8_SINT:
615 return MESA_FORMAT_L_SINT8;
616 case PIPE_FORMAT_L16_SINT:
617 return MESA_FORMAT_L_SINT16;
618 case PIPE_FORMAT_L32_SINT:
619 return MESA_FORMAT_L_SINT32;
620
621 case PIPE_FORMAT_L8A8_UINT:
622 return MESA_FORMAT_LA_UINT8;
623 case PIPE_FORMAT_L16A16_UINT:
624 return MESA_FORMAT_LA_UINT16;
625 case PIPE_FORMAT_L32A32_UINT:
626 return MESA_FORMAT_LA_UINT32;
627 case PIPE_FORMAT_L8A8_SINT:
628 return MESA_FORMAT_LA_SINT8;
629 case PIPE_FORMAT_L16A16_SINT:
630 return MESA_FORMAT_LA_SINT16;
631 case PIPE_FORMAT_L32A32_SINT:
632 return MESA_FORMAT_LA_SINT32;
633
634 case PIPE_FORMAT_R8_SINT:
635 return MESA_FORMAT_R_SINT8;
636 case PIPE_FORMAT_R8G8_SINT:
637 return MESA_FORMAT_RG_SINT8;
638 case PIPE_FORMAT_R8G8B8_SINT:
639 return MESA_FORMAT_RGB_SINT8;
640 case PIPE_FORMAT_R8G8B8A8_SINT:
641 return MESA_FORMAT_RGBA_SINT8;
642
643 case PIPE_FORMAT_R16_SINT:
644 return MESA_FORMAT_R_SINT16;
645 case PIPE_FORMAT_R16G16_SINT:
646 return MESA_FORMAT_RG_SINT16;
647 case PIPE_FORMAT_R16G16B16_SINT:
648 return MESA_FORMAT_RGB_SINT16;
649 case PIPE_FORMAT_R16G16B16A16_SINT:
650 return MESA_FORMAT_RGBA_SINT16;
651
652 case PIPE_FORMAT_R32_SINT:
653 return MESA_FORMAT_R_SINT32;
654 case PIPE_FORMAT_R32G32_SINT:
655 return MESA_FORMAT_RG_SINT32;
656 case PIPE_FORMAT_R32G32B32_SINT:
657 return MESA_FORMAT_RGB_SINT32;
658 case PIPE_FORMAT_R32G32B32A32_SINT:
659 return MESA_FORMAT_RGBA_SINT32;
660
661 /* unsigned int formats */
662 case PIPE_FORMAT_R8_UINT:
663 return MESA_FORMAT_R_UINT8;
664 case PIPE_FORMAT_R8G8_UINT:
665 return MESA_FORMAT_RG_UINT8;
666 case PIPE_FORMAT_R8G8B8_UINT:
667 return MESA_FORMAT_RGB_UINT8;
668 case PIPE_FORMAT_R8G8B8A8_UINT:
669 return MESA_FORMAT_RGBA_UINT8;
670
671 case PIPE_FORMAT_R16_UINT:
672 return MESA_FORMAT_R_UINT16;
673 case PIPE_FORMAT_R16G16_UINT:
674 return MESA_FORMAT_RG_UINT16;
675 case PIPE_FORMAT_R16G16B16_UINT:
676 return MESA_FORMAT_RGB_UINT16;
677 case PIPE_FORMAT_R16G16B16A16_UINT:
678 return MESA_FORMAT_RGBA_UINT16;
679
680 case PIPE_FORMAT_R32_UINT:
681 return MESA_FORMAT_R_UINT32;
682 case PIPE_FORMAT_R32G32_UINT:
683 return MESA_FORMAT_RG_UINT32;
684 case PIPE_FORMAT_R32G32B32_UINT:
685 return MESA_FORMAT_RGB_UINT32;
686 case PIPE_FORMAT_R32G32B32A32_UINT:
687 return MESA_FORMAT_RGBA_UINT32;
688
689 case PIPE_FORMAT_RGTC1_UNORM:
690 return MESA_FORMAT_R_RGTC1_UNORM;
691 case PIPE_FORMAT_RGTC1_SNORM:
692 return MESA_FORMAT_R_RGTC1_SNORM;
693 case PIPE_FORMAT_RGTC2_UNORM:
694 return MESA_FORMAT_RG_RGTC2_UNORM;
695 case PIPE_FORMAT_RGTC2_SNORM:
696 return MESA_FORMAT_RG_RGTC2_SNORM;
697
698 case PIPE_FORMAT_LATC1_UNORM:
699 return MESA_FORMAT_L_LATC1_UNORM;
700 case PIPE_FORMAT_LATC1_SNORM:
701 return MESA_FORMAT_L_LATC1_SNORM;
702 case PIPE_FORMAT_LATC2_UNORM:
703 return MESA_FORMAT_LA_LATC2_UNORM;
704 case PIPE_FORMAT_LATC2_SNORM:
705 return MESA_FORMAT_LA_LATC2_SNORM;
706
707 case PIPE_FORMAT_ETC1_RGB8:
708 return MESA_FORMAT_ETC1_RGB8;
709
710 /* signed normalized formats */
711 case PIPE_FORMAT_R8_SNORM:
712 return MESA_FORMAT_R_SNORM8;
713 case PIPE_FORMAT_R8G8_SNORM:
714 return MESA_FORMAT_R8G8_SNORM;
715 case PIPE_FORMAT_R8G8B8A8_SNORM:
716 return MESA_FORMAT_R8G8B8A8_SNORM;
717
718 case PIPE_FORMAT_A8_SNORM:
719 return MESA_FORMAT_A_SNORM8;
720 case PIPE_FORMAT_L8_SNORM:
721 return MESA_FORMAT_L_SNORM8;
722 case PIPE_FORMAT_L8A8_SNORM:
723 return MESA_FORMAT_L8A8_SNORM;
724 case PIPE_FORMAT_I8_SNORM:
725 return MESA_FORMAT_I_SNORM8;
726
727 case PIPE_FORMAT_R16_SNORM:
728 return MESA_FORMAT_R_SNORM16;
729 case PIPE_FORMAT_R16G16_SNORM:
730 return MESA_FORMAT_R16G16_SNORM;
731 case PIPE_FORMAT_R16G16B16A16_SNORM:
732 return MESA_FORMAT_RGBA_SNORM16;
733
734 case PIPE_FORMAT_A16_SNORM:
735 return MESA_FORMAT_A_SNORM16;
736 case PIPE_FORMAT_L16_SNORM:
737 return MESA_FORMAT_L_SNORM16;
738 case PIPE_FORMAT_L16A16_SNORM:
739 return MESA_FORMAT_LA_SNORM16;
740 case PIPE_FORMAT_I16_SNORM:
741 return MESA_FORMAT_I_SNORM16;
742
743 case PIPE_FORMAT_R9G9B9E5_FLOAT:
744 return MESA_FORMAT_R9G9B9E5_FLOAT;
745 case PIPE_FORMAT_R11G11B10_FLOAT:
746 return MESA_FORMAT_R11G11B10_FLOAT;
747
748 case PIPE_FORMAT_B10G10R10A2_UINT:
749 return MESA_FORMAT_B10G10R10A2_UINT;
750 case PIPE_FORMAT_R10G10B10A2_UINT:
751 return MESA_FORMAT_R10G10B10A2_UINT;
752
753 case PIPE_FORMAT_B4G4R4X4_UNORM:
754 return MESA_FORMAT_B4G4R4X4_UNORM;
755 case PIPE_FORMAT_B5G5R5X1_UNORM:
756 return MESA_FORMAT_B5G5R5X1_UNORM;
757 case PIPE_FORMAT_R8G8B8X8_SNORM:
758 return MESA_FORMAT_R8G8B8X8_SNORM;
759 case PIPE_FORMAT_R8G8B8X8_SRGB:
760 return MESA_FORMAT_R8G8B8X8_SRGB;
761 case PIPE_FORMAT_R8G8B8X8_UINT:
762 return MESA_FORMAT_RGBX_UINT8;
763 case PIPE_FORMAT_R8G8B8X8_SINT:
764 return MESA_FORMAT_RGBX_SINT8;
765 case PIPE_FORMAT_B10G10R10X2_UNORM:
766 return MESA_FORMAT_B10G10R10X2_UNORM;
767 case PIPE_FORMAT_R16G16B16X16_UNORM:
768 return MESA_FORMAT_RGBX_UNORM16;
769 case PIPE_FORMAT_R16G16B16X16_SNORM:
770 return MESA_FORMAT_RGBX_SNORM16;
771 case PIPE_FORMAT_R16G16B16X16_FLOAT:
772 return MESA_FORMAT_RGBX_FLOAT16;
773 case PIPE_FORMAT_R16G16B16X16_UINT:
774 return MESA_FORMAT_RGBX_UINT16;
775 case PIPE_FORMAT_R16G16B16X16_SINT:
776 return MESA_FORMAT_RGBX_SINT16;
777 case PIPE_FORMAT_R32G32B32X32_FLOAT:
778 return MESA_FORMAT_RGBX_FLOAT32;
779 case PIPE_FORMAT_R32G32B32X32_UINT:
780 return MESA_FORMAT_RGBX_UINT32;
781 case PIPE_FORMAT_R32G32B32X32_SINT:
782 return MESA_FORMAT_RGBX_SINT32;
783
784 case PIPE_FORMAT_B8G8R8X8_SRGB:
785 return MESA_FORMAT_B8G8R8X8_SRGB;
786 case PIPE_FORMAT_R8G8B8A8_SRGB:
787 return MESA_FORMAT_R8G8B8A8_SRGB;
788
789 default:
790 return MESA_FORMAT_NONE;
791 }
792 }
793
794
795 /**
796 * Debug only: check that the two functions above correctly map
797 * Mesa formats to Gallium formats and back again.
798 */
799 static void
800 test_format_conversion(struct st_context *st)
801 {
802 GLuint i;
803
804 /* test all Mesa formats */
805 for (i = 1; i < MESA_FORMAT_COUNT; i++) {
806 enum pipe_format pf;
807
808 /* ETC formats are translated differently, skip them. */
809 if (_mesa_is_format_etc2(i))
810 continue;
811 if (i == MESA_FORMAT_ETC1_RGB8 && !st->has_etc1)
812 continue;
813
814 pf = st_mesa_format_to_pipe_format(st, i);
815 if (pf != PIPE_FORMAT_NONE) {
816 mesa_format mf = st_pipe_format_to_mesa_format(pf);
817 assert(mf == i);
818 }
819 }
820
821 /* Test all Gallium formats */
822 for (i = 1; i < PIPE_FORMAT_COUNT; i++) {
823 mesa_format mf = st_pipe_format_to_mesa_format(i);
824
825 /* ETC formats are translated differently, skip them. */
826 if (i == PIPE_FORMAT_ETC1_RGB8 && !st->has_etc1)
827 continue;
828
829 if (mf != MESA_FORMAT_NONE) {
830 enum pipe_format pf = st_mesa_format_to_pipe_format(st, mf);
831 assert(pf == i);
832 }
833 }
834 }
835
836
837 /**
838 * Map GL texture formats to Gallium pipe formats.
839 */
840 struct format_mapping
841 {
842 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
843 enum pipe_format pipeFormats[13]; /**< list of pipe formats, 0-terminated */
844 };
845
846
847 #define DEFAULT_RGBA_FORMATS \
848 PIPE_FORMAT_B8G8R8A8_UNORM, \
849 PIPE_FORMAT_R8G8B8A8_UNORM, \
850 PIPE_FORMAT_A8R8G8B8_UNORM, \
851 PIPE_FORMAT_A8B8G8R8_UNORM, \
852 0
853
854 #define DEFAULT_RGB_FORMATS \
855 PIPE_FORMAT_B8G8R8X8_UNORM, \
856 PIPE_FORMAT_R8G8B8X8_UNORM, \
857 PIPE_FORMAT_X8R8G8B8_UNORM, \
858 PIPE_FORMAT_X8B8G8R8_UNORM, \
859 PIPE_FORMAT_B5G6R5_UNORM, \
860 DEFAULT_RGBA_FORMATS
861
862 #define DEFAULT_SRGBA_FORMATS \
863 PIPE_FORMAT_B8G8R8A8_SRGB, \
864 PIPE_FORMAT_A8R8G8B8_SRGB, \
865 PIPE_FORMAT_A8B8G8R8_SRGB, \
866 0
867
868 #define DEFAULT_DEPTH_FORMATS \
869 PIPE_FORMAT_Z24X8_UNORM, \
870 PIPE_FORMAT_X8Z24_UNORM, \
871 PIPE_FORMAT_Z16_UNORM, \
872 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
873 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
874 0
875
876 #define DEFAULT_SNORM8_RGBA_FORMATS \
877 PIPE_FORMAT_R8G8B8A8_SNORM, \
878 0
879
880 #define DEFAULT_UNORM16_RGBA_FORMATS \
881 PIPE_FORMAT_R16G16B16A16_UNORM, \
882 DEFAULT_RGBA_FORMATS
883
884
885 /**
886 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
887 * Multiple GL enums might map to multiple pipe_formats.
888 * The first pipe format in the list that's supported is the one that's chosen.
889 */
890 static const struct format_mapping format_map[] = {
891 /* Basic RGB, RGBA formats */
892 {
893 { GL_RGB10, 0 },
894 { PIPE_FORMAT_B10G10R10X2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
895 DEFAULT_RGB_FORMATS }
896 },
897 {
898 { GL_RGB10_A2, 0 },
899 { PIPE_FORMAT_B10G10R10A2_UNORM, PIPE_FORMAT_R10G10B10A2_UNORM,
900 DEFAULT_RGBA_FORMATS }
901 },
902 {
903 { 4, GL_RGBA, GL_RGBA8, 0 },
904 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
905 },
906 {
907 { GL_BGRA, 0 },
908 { PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
909 },
910 {
911 { 3, GL_RGB, GL_RGB8, 0 },
912 { DEFAULT_RGB_FORMATS }
913 },
914 {
915 { GL_RGB12, GL_RGB16, 0 },
916 { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
917 DEFAULT_RGB_FORMATS }
918 },
919 {
920 { GL_RGBA12, GL_RGBA16, 0 },
921 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
922 },
923 {
924 { GL_RGBA4, GL_RGBA2, 0 },
925 { PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
926 },
927 {
928 { GL_RGB5_A1, 0 },
929 { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
930 },
931 {
932 { GL_R3_G3_B2, 0 },
933 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
934 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
935 },
936 {
937 { GL_RGB4 },
938 { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
939 DEFAULT_RGB_FORMATS }
940 },
941 {
942 { GL_RGB5 },
943 { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
944 DEFAULT_RGB_FORMATS }
945 },
946 {
947 { GL_RGB565 },
948 { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
949 },
950
951 /* basic Alpha formats */
952 {
953 { GL_ALPHA12, GL_ALPHA16, 0 },
954 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
955 DEFAULT_RGBA_FORMATS }
956 },
957 {
958 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
959 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
960 },
961
962 /* basic Luminance formats */
963 {
964 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
965 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
966 },
967 {
968 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
969 { PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
970 },
971
972 /* basic Luminance/Alpha formats */
973 {
974 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
975 GL_LUMINANCE16_ALPHA16, 0},
976 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
977 DEFAULT_RGBA_FORMATS }
978 },
979 {
980 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
981 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
982 },
983 {
984 { GL_LUMINANCE4_ALPHA4, 0 },
985 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
986 DEFAULT_RGBA_FORMATS }
987 },
988
989 /* basic Intensity formats */
990 {
991 { GL_INTENSITY12, GL_INTENSITY16, 0 },
992 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
993 },
994 {
995 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
996 GL_COMPRESSED_INTENSITY, 0 },
997 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
998 },
999
1000 /* YCbCr */
1001 {
1002 { GL_YCBCR_MESA, 0 },
1003 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
1004 },
1005
1006 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
1007 {
1008 { GL_COMPRESSED_RGB, 0 },
1009 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
1010 },
1011 {
1012 { GL_COMPRESSED_RGBA, 0 },
1013 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
1014 },
1015 {
1016 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
1017 { PIPE_FORMAT_DXT1_RGB, 0 }
1018 },
1019 {
1020 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
1021 { PIPE_FORMAT_DXT1_RGBA, 0 }
1022 },
1023 {
1024 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
1025 { PIPE_FORMAT_DXT3_RGBA, 0 }
1026 },
1027 {
1028 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
1029 { PIPE_FORMAT_DXT5_RGBA, 0 }
1030 },
1031
1032 #if 0
1033 {
1034 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
1035 { PIPE_FORMAT_RGB_FXT1, 0 }
1036 },
1037 {
1038 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
1039 { PIPE_FORMAT_RGBA_FXT1, 0 }
1040 },
1041 #endif
1042
1043 /* Depth formats */
1044 {
1045 { GL_DEPTH_COMPONENT16, 0 },
1046 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
1047 },
1048 {
1049 { GL_DEPTH_COMPONENT24, 0 },
1050 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
1051 DEFAULT_DEPTH_FORMATS }
1052 },
1053 {
1054 { GL_DEPTH_COMPONENT32, 0 },
1055 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
1056 },
1057 {
1058 { GL_DEPTH_COMPONENT, 0 },
1059 { DEFAULT_DEPTH_FORMATS }
1060 },
1061 {
1062 { GL_DEPTH_COMPONENT32F, 0 },
1063 { PIPE_FORMAT_Z32_FLOAT, 0 }
1064 },
1065
1066 /* stencil formats */
1067 {
1068 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
1069 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
1070 {
1071 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
1072 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
1073 }
1074 },
1075
1076 /* Depth / Stencil formats */
1077 {
1078 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
1079 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
1080 },
1081 {
1082 { GL_DEPTH32F_STENCIL8, 0 },
1083 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1084 },
1085
1086 /* sRGB formats */
1087 {
1088 { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
1089 { PIPE_FORMAT_R8G8B8X8_SRGB, PIPE_FORMAT_B8G8R8X8_SRGB,
1090 DEFAULT_SRGBA_FORMATS }
1091 },
1092 {
1093 { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1094 { DEFAULT_SRGBA_FORMATS }
1095 },
1096 {
1097 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1098 { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
1099 PIPE_FORMAT_B8G8R8X8_SRGB, DEFAULT_SRGBA_FORMATS }
1100 },
1101 {
1102 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1103 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1104 },
1105 {
1106 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1107 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1108 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1109 },
1110 {
1111 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1112 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1113 },
1114 {
1115 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1116 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1117 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1118 },
1119 {
1120 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
1121 0 },
1122 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1123 },
1124
1125 /* 16-bit float formats */
1126 {
1127 { GL_RGBA16F_ARB, 0 },
1128 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1129 },
1130 {
1131 { GL_RGB16F_ARB, 0 },
1132 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
1133 PIPE_FORMAT_R16G16B16A16_FLOAT,
1134 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1135 },
1136 {
1137 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1138 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1139 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1140 },
1141 {
1142 { GL_ALPHA16F_ARB, 0 },
1143 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1144 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1145 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1146 },
1147 {
1148 { GL_INTENSITY16F_ARB, 0 },
1149 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1150 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1151 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1152 },
1153 {
1154 { GL_LUMINANCE16F_ARB, 0 },
1155 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1156 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1157 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1158 },
1159 {
1160 { GL_R16F, 0 },
1161 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1162 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1163 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1164 },
1165 {
1166 { GL_RG16F, 0 },
1167 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1168 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1169 },
1170
1171 /* 32-bit float formats */
1172 {
1173 { GL_RGBA32F_ARB, 0 },
1174 { PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1175 },
1176 {
1177 { GL_RGB32F_ARB, 0 },
1178 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
1179 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1180 },
1181 {
1182 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1183 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1184 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1185 },
1186 {
1187 { GL_ALPHA32F_ARB, 0 },
1188 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1189 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
1190 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1191 },
1192 {
1193 { GL_INTENSITY32F_ARB, 0 },
1194 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1195 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
1196 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1197 },
1198 {
1199 { GL_LUMINANCE32F_ARB, 0 },
1200 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1201 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
1202 PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1203 },
1204 {
1205 { GL_R32F, 0 },
1206 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1207 PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
1208 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1209 },
1210 {
1211 { GL_RG32F, 0 },
1212 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
1213 PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
1214 },
1215
1216 /* R, RG formats */
1217 {
1218 { GL_RED, GL_R8, 0 },
1219 { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1220 },
1221 {
1222 { GL_RG, GL_RG8, 0 },
1223 { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1224 },
1225 {
1226 { GL_R16, 0 },
1227 { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
1228 DEFAULT_UNORM16_RGBA_FORMATS }
1229 },
1230 {
1231 { GL_RG16, 0 },
1232 { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
1233 },
1234
1235 /* compressed R, RG formats */
1236 {
1237 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1238 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
1239 },
1240 {
1241 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1242 { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1243 },
1244 {
1245 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1246 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1247 },
1248 {
1249 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1250 { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1251 },
1252 {
1253 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1254 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
1255 },
1256 {
1257 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1258 { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1259 },
1260 {
1261 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1262 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1263 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1264 },
1265 {
1266 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1267 { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1268 },
1269
1270 /* ETC1 */
1271 {
1272 { GL_ETC1_RGB8_OES, 0 },
1273 { PIPE_FORMAT_ETC1_RGB8, 0 }
1274 },
1275
1276 /* signed/unsigned integer formats.
1277 */
1278 {
1279 { GL_RGBA_INTEGER_EXT,
1280 GL_BGRA_INTEGER_EXT,
1281 GL_RGBA8I_EXT, 0 },
1282 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1283 },
1284 {
1285 { GL_RGB_INTEGER_EXT,
1286 GL_BGR_INTEGER_EXT,
1287 GL_RGB8I_EXT,
1288 GL_BLUE_INTEGER_EXT, 0 },
1289 { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
1290 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1291 },
1292 {
1293 { GL_ALPHA_INTEGER_EXT,
1294 GL_ALPHA8I_EXT, 0 },
1295 { PIPE_FORMAT_A8_SINT, 0 }
1296 },
1297 {
1298 { GL_ALPHA16I_EXT, 0 },
1299 { PIPE_FORMAT_A16_SINT, 0 }
1300 },
1301 {
1302 { GL_ALPHA32I_EXT, 0 },
1303 { PIPE_FORMAT_A32_SINT, 0 }
1304 },
1305 {
1306 { GL_ALPHA8UI_EXT, 0 },
1307 { PIPE_FORMAT_A8_UINT, 0 }
1308 },
1309 {
1310 { GL_ALPHA16UI_EXT, 0 },
1311 { PIPE_FORMAT_A16_UINT, 0 }
1312 },
1313 {
1314 { GL_ALPHA32UI_EXT, 0 },
1315 { PIPE_FORMAT_A32_UINT, 0 }
1316 },
1317 {
1318 { GL_INTENSITY8I_EXT, 0 },
1319 { PIPE_FORMAT_I8_SINT, 0 }
1320 },
1321 {
1322 { GL_INTENSITY16I_EXT, 0 },
1323 { PIPE_FORMAT_I16_SINT, 0 }
1324 },
1325 {
1326 { GL_INTENSITY32I_EXT, 0 },
1327 { PIPE_FORMAT_I32_SINT, 0 }
1328 },
1329 {
1330 { GL_INTENSITY8UI_EXT, 0 },
1331 { PIPE_FORMAT_I8_UINT, 0 }
1332 },
1333 {
1334 { GL_INTENSITY16UI_EXT, 0 },
1335 { PIPE_FORMAT_I16_UINT, 0 }
1336 },
1337 {
1338 { GL_INTENSITY32UI_EXT, 0 },
1339 { PIPE_FORMAT_I32_UINT, 0 }
1340 },
1341 {
1342 { GL_LUMINANCE8I_EXT, 0 },
1343 { PIPE_FORMAT_L8_SINT, 0 }
1344 },
1345 {
1346 { GL_LUMINANCE16I_EXT, 0 },
1347 { PIPE_FORMAT_L16_SINT, 0 }
1348 },
1349 {
1350 { GL_LUMINANCE32I_EXT, 0 },
1351 { PIPE_FORMAT_L32_SINT, 0 }
1352 },
1353 {
1354 { GL_LUMINANCE_INTEGER_EXT,
1355 GL_LUMINANCE8UI_EXT, 0 },
1356 { PIPE_FORMAT_L8_UINT, 0 }
1357 },
1358 {
1359 { GL_LUMINANCE16UI_EXT, 0 },
1360 { PIPE_FORMAT_L16_UINT, 0 }
1361 },
1362 {
1363 { GL_LUMINANCE32UI_EXT, 0 },
1364 { PIPE_FORMAT_L32_UINT, 0 }
1365 },
1366 {
1367 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1368 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1369 { PIPE_FORMAT_L8A8_SINT, 0 }
1370 },
1371 {
1372 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1373 { PIPE_FORMAT_L16A16_SINT, 0 }
1374 },
1375 {
1376 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1377 { PIPE_FORMAT_L32A32_SINT, 0 }
1378 },
1379 {
1380 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1381 { PIPE_FORMAT_L8A8_UINT, 0 }
1382 },
1383 {
1384 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1385 { PIPE_FORMAT_L16A16_UINT, 0 }
1386 },
1387 {
1388 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1389 { PIPE_FORMAT_L32A32_UINT, 0 }
1390 },
1391 {
1392 { GL_RGB16I_EXT, 0 },
1393 { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
1394 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1395 },
1396 {
1397 { GL_RGBA16I_EXT, 0 },
1398 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1399 },
1400 {
1401 { GL_RGB32I_EXT, 0 },
1402 { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
1403 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1404 },
1405 {
1406 { GL_RGBA32I_EXT, 0 },
1407 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1408 },
1409 {
1410 { GL_RGBA8UI_EXT, 0 },
1411 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1412 },
1413 {
1414 { GL_RGB8UI_EXT, 0 },
1415 { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
1416 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1417 },
1418 {
1419 { GL_RGB16UI_EXT, 0 },
1420 { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
1421 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1422 },
1423 {
1424 { GL_RGBA16UI_EXT, 0 },
1425 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1426 },
1427 {
1428 { GL_RGB32UI_EXT, 0},
1429 { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
1430 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1431 },
1432 {
1433 { GL_RGBA32UI_EXT, 0},
1434 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1435 },
1436 {
1437 { GL_R8I, GL_RED_INTEGER_EXT, 0},
1438 { PIPE_FORMAT_R8_SINT, 0},
1439 },
1440 {
1441 { GL_R16I, 0},
1442 { PIPE_FORMAT_R16_SINT, 0},
1443 },
1444 {
1445 { GL_R32I, 0},
1446 { PIPE_FORMAT_R32_SINT, 0},
1447 },
1448 {
1449 { GL_R8UI, 0},
1450 { PIPE_FORMAT_R8_UINT, 0},
1451 },
1452 {
1453 { GL_R16UI, 0},
1454 { PIPE_FORMAT_R16_UINT, 0},
1455 },
1456 {
1457 { GL_R32UI, 0},
1458 { PIPE_FORMAT_R32_UINT, 0},
1459 },
1460 {
1461 { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
1462 { PIPE_FORMAT_R8G8_SINT, 0},
1463 },
1464 {
1465 { GL_RG16I, 0},
1466 { PIPE_FORMAT_R16G16_SINT, 0},
1467 },
1468 {
1469 { GL_RG32I, 0},
1470 { PIPE_FORMAT_R32G32_SINT, 0},
1471 },
1472 {
1473 { GL_RG8UI, 0},
1474 { PIPE_FORMAT_R8G8_UINT, 0},
1475 },
1476 {
1477 { GL_RG16UI, 0},
1478 { PIPE_FORMAT_R16G16_UINT, 0},
1479 },
1480 {
1481 { GL_RG32UI, 0},
1482 { PIPE_FORMAT_R32G32_UINT, 0},
1483 },
1484 /* signed normalized formats */
1485 {
1486 { GL_RED_SNORM, GL_R8_SNORM, 0 },
1487 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
1488 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1489 },
1490 {
1491 { GL_R16_SNORM, 0 },
1492 { PIPE_FORMAT_R16_SNORM,
1493 PIPE_FORMAT_R16G16_SNORM,
1494 PIPE_FORMAT_R16G16B16A16_SNORM,
1495 PIPE_FORMAT_R8_SNORM,
1496 PIPE_FORMAT_R8G8_SNORM,
1497 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1498 },
1499 {
1500 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
1501 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1502 },
1503 {
1504 { GL_RG16_SNORM, 0 },
1505 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1506 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1507 },
1508 {
1509 { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
1510 { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1511 },
1512 {
1513 { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
1514 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1515 },
1516 {
1517 { GL_RGB16_SNORM, 0 },
1518 { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1519 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1520 },
1521 {
1522 { GL_RGBA16_SNORM, 0 },
1523 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1524 },
1525 {
1526 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
1527 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1528 },
1529 {
1530 { GL_ALPHA16_SNORM, 0 },
1531 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1532 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1533 },
1534 {
1535 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
1536 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1537 },
1538 {
1539 { GL_LUMINANCE16_SNORM, 0 },
1540 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1541 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1542 },
1543 {
1544 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
1545 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1546 },
1547 {
1548 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
1549 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1550 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1551 },
1552 {
1553 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
1554 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1555 },
1556 {
1557 { GL_INTENSITY16_SNORM, 0 },
1558 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1559 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1560 },
1561 {
1562 { GL_RGB9_E5, 0 },
1563 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
1564 },
1565 {
1566 { GL_R11F_G11F_B10F, 0 },
1567 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
1568 },
1569 {
1570 { GL_RGB10_A2UI, 0 },
1571 { PIPE_FORMAT_R10G10B10A2_UINT, PIPE_FORMAT_B10G10R10A2_UINT, 0 }
1572 },
1573 };
1574
1575
1576 /**
1577 * Return first supported format from the given list.
1578 * \param allow_dxt indicates whether it's OK to return a DXT format.
1579 */
1580 static enum pipe_format
1581 find_supported_format(struct pipe_screen *screen,
1582 const enum pipe_format formats[],
1583 enum pipe_texture_target target,
1584 unsigned sample_count,
1585 unsigned tex_usage,
1586 boolean allow_dxt)
1587 {
1588 uint i;
1589 for (i = 0; formats[i]; i++) {
1590 if (screen->is_format_supported(screen, formats[i], target,
1591 sample_count, tex_usage)) {
1592 if (!allow_dxt && util_format_is_s3tc(formats[i])) {
1593 /* we can't return a dxt format, continue searching */
1594 continue;
1595 }
1596
1597 return formats[i];
1598 }
1599 }
1600 return PIPE_FORMAT_NONE;
1601 }
1602
1603 struct exact_format_mapping
1604 {
1605 GLenum format;
1606 GLenum type;
1607 enum pipe_format pformat;
1608 };
1609
1610 static const struct exact_format_mapping rgba8888_tbl[] =
1611 {
1612 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ABGR8888_UNORM },
1613 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_ABGR8888_UNORM },
1614 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBA8888_UNORM },
1615 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBA8888_UNORM },
1616 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ARGB8888_UNORM },
1617 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRA8888_UNORM },
1618 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
1619 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
1620 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
1621 { 0, 0, 0 }
1622 };
1623
1624 static const struct exact_format_mapping rgbx8888_tbl[] =
1625 {
1626 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XBGR8888_UNORM },
1627 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_XBGR8888_UNORM },
1628 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBX8888_UNORM },
1629 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBX8888_UNORM },
1630 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XRGB8888_UNORM },
1631 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRX8888_UNORM },
1632 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
1633 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
1634 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
1635 { 0, 0, 0 }
1636 };
1637
1638 static const struct exact_format_mapping rgba1010102_tbl[] =
1639 {
1640 { GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
1641 /* No Mesa formats for these Gallium formats:
1642 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1643 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1644 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1645 */
1646 { 0, 0, 0 }
1647 };
1648
1649 /**
1650 * If there is an exact pipe_format match for {internalFormat, format, type}
1651 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1652 */
1653 static enum pipe_format
1654 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
1655 {
1656 uint i;
1657 const struct exact_format_mapping* tbl;
1658
1659 if (format == GL_NONE || type == GL_NONE)
1660 return PIPE_FORMAT_NONE;
1661
1662 switch (internalFormat) {
1663 case 4:
1664 case GL_RGBA:
1665 case GL_RGBA8:
1666 tbl = rgba8888_tbl;
1667 break;
1668 case 3:
1669 case GL_RGB:
1670 case GL_RGB8:
1671 tbl = rgbx8888_tbl;
1672 break;
1673 case GL_RGB10_A2:
1674 tbl = rgba1010102_tbl;
1675 break;
1676 default:
1677 return PIPE_FORMAT_NONE;
1678 }
1679
1680 for (i = 0; tbl[i].format; i++)
1681 if (tbl[i].format == format && tbl[i].type == type)
1682 return tbl[i].pformat;
1683
1684 return PIPE_FORMAT_NONE;
1685 }
1686
1687 /**
1688 * Given an OpenGL internalFormat value for a texture or surface, return
1689 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1690 * This is called during glTexImage2D, for example.
1691 *
1692 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1693 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1694 * we want render-to-texture ability.
1695 *
1696 * \param internalFormat the user value passed to glTexImage2D
1697 * \param target one of PIPE_TEXTURE_x
1698 * \param bindings bitmask of PIPE_BIND_x flags.
1699 * \param allow_dxt indicates whether it's OK to return a DXT format. This
1700 * only matters when internalFormat names a generic or
1701 * specific compressed format. And that should only happen
1702 * when we're getting called from gl[Copy]TexImage().
1703 */
1704 enum pipe_format
1705 st_choose_format(struct st_context *st, GLenum internalFormat,
1706 GLenum format, GLenum type,
1707 enum pipe_texture_target target, unsigned sample_count,
1708 unsigned bindings, boolean allow_dxt)
1709 {
1710 struct pipe_screen *screen = st->pipe->screen;
1711 int i, j;
1712 enum pipe_format pf;
1713
1714 #ifdef DEBUG
1715 {
1716 static boolean firstCall = TRUE;
1717 if (firstCall) {
1718 test_format_conversion(st);
1719 firstCall = FALSE;
1720 }
1721 }
1722 #else
1723 (void) test_format_conversion;
1724 #endif
1725
1726 /* can't render to compressed formats at this time */
1727 if (_mesa_is_compressed_format(st->ctx, internalFormat)
1728 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
1729 return PIPE_FORMAT_NONE;
1730 }
1731
1732 /* search for exact matches */
1733 pf = find_exact_format(internalFormat, format, type);
1734 if (pf != PIPE_FORMAT_NONE &&
1735 screen->is_format_supported(screen, pf,
1736 target, sample_count, bindings))
1737 return pf;
1738
1739 /* search table for internalFormat */
1740 for (i = 0; i < Elements(format_map); i++) {
1741 const struct format_mapping *mapping = &format_map[i];
1742 for (j = 0; mapping->glFormats[j]; j++) {
1743 if (mapping->glFormats[j] == internalFormat) {
1744 /* Found the desired internal format. Find first pipe format
1745 * which is supported by the driver.
1746 */
1747 return find_supported_format(screen, mapping->pipeFormats,
1748 target, sample_count, bindings,
1749 allow_dxt);
1750 }
1751 }
1752 }
1753
1754 _mesa_problem(NULL, "unhandled format!\n");
1755 return PIPE_FORMAT_NONE;
1756 }
1757
1758
1759 /**
1760 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1761 */
1762 enum pipe_format
1763 st_choose_renderbuffer_format(struct st_context *st,
1764 GLenum internalFormat, unsigned sample_count)
1765 {
1766 uint usage;
1767 if (_mesa_is_depth_or_stencil_format(internalFormat))
1768 usage = PIPE_BIND_DEPTH_STENCIL;
1769 else
1770 usage = PIPE_BIND_RENDER_TARGET;
1771 return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1772 PIPE_TEXTURE_2D, sample_count, usage, FALSE);
1773 }
1774
1775
1776 /**
1777 * Given an OpenGL user-requested format and type, and swapBytes state,
1778 * return the format which exactly matches those parameters, so that
1779 * a memcpy-based transfer can be done.
1780 *
1781 * If no format is supported, return PIPE_FORMAT_NONE.
1782 */
1783 enum pipe_format
1784 st_choose_matching_format(struct st_context *st, unsigned bind,
1785 GLenum format, GLenum type, GLboolean swapBytes)
1786 {
1787 struct pipe_screen *screen = st->pipe->screen;
1788 mesa_format mesa_format;
1789
1790 for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
1791 if (_mesa_get_format_color_encoding(mesa_format) == GL_SRGB) {
1792 continue;
1793 }
1794 if (_mesa_get_format_bits(mesa_format, GL_TEXTURE_INTENSITY_SIZE) > 0) {
1795 /* If `format` is GL_RED/GL_RED_INTEGER, then we might match some
1796 * intensity formats, which we don't want.
1797 */
1798 continue;
1799 }
1800
1801 if (_mesa_format_matches_format_and_type(mesa_format, format, type,
1802 swapBytes)) {
1803 enum pipe_format format =
1804 st_mesa_format_to_pipe_format(st, mesa_format);
1805
1806 if (format &&
1807 screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0,
1808 bind)) {
1809 return format;
1810 }
1811 /* It's unlikely to find 2 matching Mesa formats. */
1812 break;
1813 }
1814 }
1815 return PIPE_FORMAT_NONE;
1816 }
1817
1818
1819 /**
1820 * Called via ctx->Driver.ChooseTextureFormat().
1821 */
1822 mesa_format
1823 st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
1824 GLint internalFormat,
1825 GLenum format, GLenum type)
1826 {
1827 const boolean want_renderable =
1828 internalFormat == 3 || internalFormat == 4 ||
1829 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
1830 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
1831 internalFormat == GL_BGRA;
1832 struct st_context *st = st_context(ctx);
1833 enum pipe_format pFormat;
1834 unsigned bindings;
1835 enum pipe_texture_target pTarget = gl_target_to_pipe(target);
1836
1837 if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
1838 /* We don't do compression for these texture targets because of
1839 * difficulty with sub-texture updates on non-block boundaries, etc.
1840 * So change the internal format request to an uncompressed format.
1841 */
1842 internalFormat =
1843 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
1844 }
1845
1846 /* GL textures may wind up being render targets, but we don't know
1847 * that in advance. Specify potential render target flags now.
1848 */
1849 bindings = PIPE_BIND_SAMPLER_VIEW;
1850 if (want_renderable) {
1851 if (_mesa_is_depth_or_stencil_format(internalFormat))
1852 bindings |= PIPE_BIND_DEPTH_STENCIL;
1853 else
1854 bindings |= PIPE_BIND_RENDER_TARGET;
1855 }
1856
1857 /* GLES allows the driver to choose any format which matches
1858 * the format+type combo, because GLES only supports unsized internal
1859 * formats and expects the driver to choose whatever suits it.
1860 */
1861 if (_mesa_is_gles(ctx)) {
1862 GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
1863 GLenum basePackFormat = _mesa_base_pack_format(format);
1864 GLenum iformat = internalFormat;
1865
1866 /* Treat GL_BGRA as GL_RGBA. */
1867 if (iformat == GL_BGRA)
1868 iformat = GL_RGBA;
1869
1870 /* Check if the internalformat is unsized and compatible
1871 * with the "format".
1872 */
1873 if (iformat == baseFormat && iformat == basePackFormat) {
1874 pFormat = st_choose_matching_format(st, bindings, format, type,
1875 ctx->Unpack.SwapBytes);
1876
1877 if (pFormat != PIPE_FORMAT_NONE)
1878 return st_pipe_format_to_mesa_format(pFormat);
1879
1880 /* try choosing format again, this time without render target bindings */
1881 pFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
1882 format, type,
1883 ctx->Unpack.SwapBytes);
1884 if (pFormat != PIPE_FORMAT_NONE)
1885 return st_pipe_format_to_mesa_format(pFormat);
1886 }
1887 }
1888
1889 pFormat = st_choose_format(st, internalFormat, format, type,
1890 pTarget, 0, bindings, ctx->Mesa_DXTn);
1891
1892 if (pFormat == PIPE_FORMAT_NONE) {
1893 /* try choosing format again, this time without render target bindings */
1894 pFormat = st_choose_format(st, internalFormat, format, type,
1895 pTarget, 0, PIPE_BIND_SAMPLER_VIEW,
1896 ctx->Mesa_DXTn);
1897 }
1898
1899 if (pFormat == PIPE_FORMAT_NONE) {
1900 /* no luck at all */
1901 return MESA_FORMAT_NONE;
1902 }
1903
1904 return st_pipe_format_to_mesa_format(pFormat);
1905 }
1906
1907
1908 /**
1909 * Called via ctx->Driver.ChooseTextureFormat().
1910 */
1911 size_t
1912 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
1913 GLenum internalFormat, int samples[16])
1914 {
1915 struct st_context *st = st_context(ctx);
1916 enum pipe_format format;
1917 unsigned i, bind, num_sample_counts = 0;
1918
1919 (void) target;
1920
1921 if (_mesa_is_depth_or_stencil_format(internalFormat))
1922 bind = PIPE_BIND_DEPTH_STENCIL;
1923 else
1924 bind = PIPE_BIND_RENDER_TARGET;
1925
1926 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
1927 * formats.
1928 */
1929 if (!ctx->Extensions.EXT_framebuffer_sRGB) {
1930 internalFormat = _mesa_get_linear_internalformat(internalFormat);
1931 }
1932
1933 /* Set sample counts in descending order. */
1934 for (i = 16; i > 1; i--) {
1935 format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
1936 PIPE_TEXTURE_2D, i, bind, FALSE);
1937
1938 if (format != PIPE_FORMAT_NONE) {
1939 samples[num_sample_counts++] = i;
1940 }
1941 }
1942
1943 if (!num_sample_counts) {
1944 samples[num_sample_counts++] = 1;
1945 }
1946
1947 return num_sample_counts;
1948 }
1949
1950
1951 /**
1952 * This is used for translating texture border color and the clear
1953 * color. For example, the clear color is interpreted according to
1954 * the renderbuffer's base format. For example, if clearing a
1955 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
1956 * colorOut[2] = colorIn[0].
1957 * Similarly for texture border colors.
1958 */
1959 void
1960 st_translate_color(const union gl_color_union *colorIn,
1961 union pipe_color_union *colorOut,
1962 GLenum baseFormat, GLboolean is_integer)
1963 {
1964 if (is_integer) {
1965 const int *in = colorIn->i;
1966 int *out = colorOut->i;
1967
1968 switch (baseFormat) {
1969 case GL_RED:
1970 out[0] = in[0];
1971 out[1] = 0;
1972 out[2] = 0;
1973 out[3] = 1;
1974 break;
1975 case GL_RG:
1976 out[0] = in[0];
1977 out[1] = in[1];
1978 out[2] = 0;
1979 out[3] = 1;
1980 break;
1981 case GL_RGB:
1982 out[0] = in[0];
1983 out[1] = in[1];
1984 out[2] = in[2];
1985 out[3] = 1;
1986 break;
1987 case GL_ALPHA:
1988 out[0] = out[1] = out[2] = 0;
1989 out[3] = in[3];
1990 break;
1991 case GL_LUMINANCE:
1992 out[0] = out[1] = out[2] = in[0];
1993 out[3] = 1;
1994 break;
1995 case GL_LUMINANCE_ALPHA:
1996 out[0] = out[1] = out[2] = in[0];
1997 out[3] = in[3];
1998 break;
1999 case GL_INTENSITY:
2000 out[0] = out[1] = out[2] = out[3] = in[0];
2001 break;
2002 default:
2003 COPY_4V(out, in);
2004 }
2005 }
2006 else {
2007 const float *in = colorIn->f;
2008 float *out = colorOut->f;
2009
2010 switch (baseFormat) {
2011 case GL_RED:
2012 out[0] = in[0];
2013 out[1] = 0.0F;
2014 out[2] = 0.0F;
2015 out[3] = 1.0F;
2016 break;
2017 case GL_RG:
2018 out[0] = in[0];
2019 out[1] = in[1];
2020 out[2] = 0.0F;
2021 out[3] = 1.0F;
2022 break;
2023 case GL_RGB:
2024 out[0] = in[0];
2025 out[1] = in[1];
2026 out[2] = in[2];
2027 out[3] = 1.0F;
2028 break;
2029 case GL_ALPHA:
2030 out[0] = out[1] = out[2] = 0.0F;
2031 out[3] = in[3];
2032 break;
2033 case GL_LUMINANCE:
2034 out[0] = out[1] = out[2] = in[0];
2035 out[3] = 1.0F;
2036 break;
2037 case GL_LUMINANCE_ALPHA:
2038 out[0] = out[1] = out[2] = in[0];
2039 out[3] = in[3];
2040 break;
2041 case GL_INTENSITY:
2042 out[0] = out[1] = out[2] = out[3] = in[0];
2043 break;
2044 default:
2045 COPY_4V(out, in);
2046 }
2047 }
2048 }