1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
4 * Copyright (c) 2008-2010 VMware, Inc.
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:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
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.
27 **************************************************************************/
31 * Mesa / Gallium format conversion and format selection code.
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"
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"
54 * Translate Mesa format to Gallium format.
57 st_mesa_format_to_pipe_format(struct st_context
*st
, mesa_format 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_LA88_UNORM
;
92 case MESA_FORMAT_A8L8_UNORM
:
93 return PIPE_FORMAT_AL88_UNORM
;
94 case MESA_FORMAT_L16A16_UNORM
:
95 return PIPE_FORMAT_LA1616_UNORM
;
96 case MESA_FORMAT_A16L16_UNORM
:
97 return PIPE_FORMAT_AL1616_UNORM
;
98 case MESA_FORMAT_A_UNORM8
:
99 return PIPE_FORMAT_A8_UNORM
;
100 case MESA_FORMAT_A_UNORM16
:
101 return PIPE_FORMAT_A16_UNORM
;
102 case MESA_FORMAT_L_UNORM8
:
103 return PIPE_FORMAT_L8_UNORM
;
104 case MESA_FORMAT_L_UNORM16
:
105 return PIPE_FORMAT_L16_UNORM
;
106 case MESA_FORMAT_I_UNORM8
:
107 return PIPE_FORMAT_I8_UNORM
;
108 case MESA_FORMAT_I_UNORM16
:
109 return PIPE_FORMAT_I16_UNORM
;
110 case MESA_FORMAT_Z_UNORM16
:
111 return PIPE_FORMAT_Z16_UNORM
;
112 case MESA_FORMAT_Z_UNORM32
:
113 return PIPE_FORMAT_Z32_UNORM
;
114 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
115 return PIPE_FORMAT_S8_UINT_Z24_UNORM
;
116 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
117 return PIPE_FORMAT_Z24_UNORM_S8_UINT
;
118 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
119 return PIPE_FORMAT_X8Z24_UNORM
;
120 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
121 return PIPE_FORMAT_Z24X8_UNORM
;
122 case MESA_FORMAT_S_UINT8
:
123 return PIPE_FORMAT_S8_UINT
;
124 case MESA_FORMAT_Z_FLOAT32
:
125 return PIPE_FORMAT_Z32_FLOAT
;
126 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
127 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
;
128 case MESA_FORMAT_YCBCR
:
129 return PIPE_FORMAT_UYVY
;
130 case MESA_FORMAT_YCBCR_REV
:
131 return PIPE_FORMAT_YUYV
;
132 case MESA_FORMAT_RGB_DXT1
:
133 return PIPE_FORMAT_DXT1_RGB
;
134 case MESA_FORMAT_RGBA_DXT1
:
135 return PIPE_FORMAT_DXT1_RGBA
;
136 case MESA_FORMAT_RGBA_DXT3
:
137 return PIPE_FORMAT_DXT3_RGBA
;
138 case MESA_FORMAT_RGBA_DXT5
:
139 return PIPE_FORMAT_DXT5_RGBA
;
140 case MESA_FORMAT_SRGB_DXT1
:
141 return PIPE_FORMAT_DXT1_SRGB
;
142 case MESA_FORMAT_SRGBA_DXT1
:
143 return PIPE_FORMAT_DXT1_SRGBA
;
144 case MESA_FORMAT_SRGBA_DXT3
:
145 return PIPE_FORMAT_DXT3_SRGBA
;
146 case MESA_FORMAT_SRGBA_DXT5
:
147 return PIPE_FORMAT_DXT5_SRGBA
;
148 case MESA_FORMAT_L8A8_SRGB
:
149 return PIPE_FORMAT_LA88_SRGB
;
150 case MESA_FORMAT_A8L8_SRGB
:
151 return PIPE_FORMAT_AL88_SRGB
;
152 case MESA_FORMAT_L_SRGB8
:
153 return PIPE_FORMAT_L8_SRGB
;
154 case MESA_FORMAT_BGR_SRGB8
:
155 return PIPE_FORMAT_R8G8B8_SRGB
;
156 case MESA_FORMAT_A8B8G8R8_SRGB
:
157 return PIPE_FORMAT_ABGR8888_SRGB
;
158 case MESA_FORMAT_R8G8B8A8_SRGB
:
159 return PIPE_FORMAT_RGBA8888_SRGB
;
160 case MESA_FORMAT_B8G8R8A8_SRGB
:
161 return PIPE_FORMAT_BGRA8888_SRGB
;
162 case MESA_FORMAT_A8R8G8B8_SRGB
:
163 return PIPE_FORMAT_ARGB8888_SRGB
;
164 case MESA_FORMAT_RGBA_FLOAT32
:
165 return PIPE_FORMAT_R32G32B32A32_FLOAT
;
166 case MESA_FORMAT_RGBA_FLOAT16
:
167 return PIPE_FORMAT_R16G16B16A16_FLOAT
;
168 case MESA_FORMAT_RGB_FLOAT32
:
169 return PIPE_FORMAT_R32G32B32_FLOAT
;
170 case MESA_FORMAT_RGB_FLOAT16
:
171 return PIPE_FORMAT_R16G16B16_FLOAT
;
172 case MESA_FORMAT_LA_FLOAT32
:
173 return PIPE_FORMAT_L32A32_FLOAT
;
174 case MESA_FORMAT_LA_FLOAT16
:
175 return PIPE_FORMAT_L16A16_FLOAT
;
176 case MESA_FORMAT_L_FLOAT32
:
177 return PIPE_FORMAT_L32_FLOAT
;
178 case MESA_FORMAT_L_FLOAT16
:
179 return PIPE_FORMAT_L16_FLOAT
;
180 case MESA_FORMAT_A_FLOAT32
:
181 return PIPE_FORMAT_A32_FLOAT
;
182 case MESA_FORMAT_A_FLOAT16
:
183 return PIPE_FORMAT_A16_FLOAT
;
184 case MESA_FORMAT_I_FLOAT32
:
185 return PIPE_FORMAT_I32_FLOAT
;
186 case MESA_FORMAT_I_FLOAT16
:
187 return PIPE_FORMAT_I16_FLOAT
;
188 case MESA_FORMAT_R_FLOAT32
:
189 return PIPE_FORMAT_R32_FLOAT
;
190 case MESA_FORMAT_R_FLOAT16
:
191 return PIPE_FORMAT_R16_FLOAT
;
192 case MESA_FORMAT_RG_FLOAT32
:
193 return PIPE_FORMAT_R32G32_FLOAT
;
194 case MESA_FORMAT_RG_FLOAT16
:
195 return PIPE_FORMAT_R16G16_FLOAT
;
197 case MESA_FORMAT_R_UNORM8
:
198 return PIPE_FORMAT_R8_UNORM
;
199 case MESA_FORMAT_R_UNORM16
:
200 return PIPE_FORMAT_R16_UNORM
;
201 case MESA_FORMAT_R8G8_UNORM
:
202 return PIPE_FORMAT_RG88_UNORM
;
203 case MESA_FORMAT_G8R8_UNORM
:
204 return PIPE_FORMAT_GR88_UNORM
;
205 case MESA_FORMAT_R16G16_UNORM
:
206 return PIPE_FORMAT_RG1616_UNORM
;
207 case MESA_FORMAT_G16R16_UNORM
:
208 return PIPE_FORMAT_GR1616_UNORM
;
209 case MESA_FORMAT_RGBA_UNORM16
:
210 return PIPE_FORMAT_R16G16B16A16_UNORM
;
212 /* signed int formats */
213 case MESA_FORMAT_A_UINT8
:
214 return PIPE_FORMAT_A8_UINT
;
215 case MESA_FORMAT_A_UINT16
:
216 return PIPE_FORMAT_A16_UINT
;
217 case MESA_FORMAT_A_UINT32
:
218 return PIPE_FORMAT_A32_UINT
;
220 case MESA_FORMAT_A_SINT8
:
221 return PIPE_FORMAT_A8_SINT
;
222 case MESA_FORMAT_A_SINT16
:
223 return PIPE_FORMAT_A16_SINT
;
224 case MESA_FORMAT_A_SINT32
:
225 return PIPE_FORMAT_A32_SINT
;
227 case MESA_FORMAT_I_UINT8
:
228 return PIPE_FORMAT_I8_UINT
;
229 case MESA_FORMAT_I_UINT16
:
230 return PIPE_FORMAT_I16_UINT
;
231 case MESA_FORMAT_I_UINT32
:
232 return PIPE_FORMAT_I32_UINT
;
234 case MESA_FORMAT_I_SINT8
:
235 return PIPE_FORMAT_I8_SINT
;
236 case MESA_FORMAT_I_SINT16
:
237 return PIPE_FORMAT_I16_SINT
;
238 case MESA_FORMAT_I_SINT32
:
239 return PIPE_FORMAT_I32_SINT
;
241 case MESA_FORMAT_L_UINT8
:
242 return PIPE_FORMAT_L8_UINT
;
243 case MESA_FORMAT_L_UINT16
:
244 return PIPE_FORMAT_L16_UINT
;
245 case MESA_FORMAT_L_UINT32
:
246 return PIPE_FORMAT_L32_UINT
;
248 case MESA_FORMAT_L_SINT8
:
249 return PIPE_FORMAT_L8_SINT
;
250 case MESA_FORMAT_L_SINT16
:
251 return PIPE_FORMAT_L16_SINT
;
252 case MESA_FORMAT_L_SINT32
:
253 return PIPE_FORMAT_L32_SINT
;
255 case MESA_FORMAT_LA_UINT8
:
256 return PIPE_FORMAT_L8A8_UINT
;
257 case MESA_FORMAT_LA_UINT16
:
258 return PIPE_FORMAT_L16A16_UINT
;
259 case MESA_FORMAT_LA_UINT32
:
260 return PIPE_FORMAT_L32A32_UINT
;
262 case MESA_FORMAT_LA_SINT8
:
263 return PIPE_FORMAT_L8A8_SINT
;
264 case MESA_FORMAT_LA_SINT16
:
265 return PIPE_FORMAT_L16A16_SINT
;
266 case MESA_FORMAT_LA_SINT32
:
267 return PIPE_FORMAT_L32A32_SINT
;
269 case MESA_FORMAT_R_SINT8
:
270 return PIPE_FORMAT_R8_SINT
;
271 case MESA_FORMAT_RG_SINT8
:
272 return PIPE_FORMAT_R8G8_SINT
;
273 case MESA_FORMAT_RGB_SINT8
:
274 return PIPE_FORMAT_R8G8B8_SINT
;
275 case MESA_FORMAT_RGBA_SINT8
:
276 return PIPE_FORMAT_R8G8B8A8_SINT
;
277 case MESA_FORMAT_R_SINT16
:
278 return PIPE_FORMAT_R16_SINT
;
279 case MESA_FORMAT_RG_SINT16
:
280 return PIPE_FORMAT_R16G16_SINT
;
281 case MESA_FORMAT_RGB_SINT16
:
282 return PIPE_FORMAT_R16G16B16_SINT
;
283 case MESA_FORMAT_RGBA_SINT16
:
284 return PIPE_FORMAT_R16G16B16A16_SINT
;
285 case MESA_FORMAT_R_SINT32
:
286 return PIPE_FORMAT_R32_SINT
;
287 case MESA_FORMAT_RG_SINT32
:
288 return PIPE_FORMAT_R32G32_SINT
;
289 case MESA_FORMAT_RGB_SINT32
:
290 return PIPE_FORMAT_R32G32B32_SINT
;
291 case MESA_FORMAT_RGBA_SINT32
:
292 return PIPE_FORMAT_R32G32B32A32_SINT
;
294 /* unsigned int formats */
295 case MESA_FORMAT_R_UINT8
:
296 return PIPE_FORMAT_R8_UINT
;
297 case MESA_FORMAT_RG_UINT8
:
298 return PIPE_FORMAT_R8G8_UINT
;
299 case MESA_FORMAT_RGB_UINT8
:
300 return PIPE_FORMAT_R8G8B8_UINT
;
301 case MESA_FORMAT_RGBA_UINT8
:
302 return PIPE_FORMAT_R8G8B8A8_UINT
;
303 case MESA_FORMAT_R_UINT16
:
304 return PIPE_FORMAT_R16_UINT
;
305 case MESA_FORMAT_RG_UINT16
:
306 return PIPE_FORMAT_R16G16_UINT
;
307 case MESA_FORMAT_RGB_UINT16
:
308 return PIPE_FORMAT_R16G16B16_UINT
;
309 case MESA_FORMAT_RGBA_UINT16
:
310 return PIPE_FORMAT_R16G16B16A16_UINT
;
311 case MESA_FORMAT_R_UINT32
:
312 return PIPE_FORMAT_R32_UINT
;
313 case MESA_FORMAT_RG_UINT32
:
314 return PIPE_FORMAT_R32G32_UINT
;
315 case MESA_FORMAT_RGB_UINT32
:
316 return PIPE_FORMAT_R32G32B32_UINT
;
317 case MESA_FORMAT_RGBA_UINT32
:
318 return PIPE_FORMAT_R32G32B32A32_UINT
;
320 case MESA_FORMAT_R_RGTC1_UNORM
:
321 return PIPE_FORMAT_RGTC1_UNORM
;
322 case MESA_FORMAT_R_RGTC1_SNORM
:
323 return PIPE_FORMAT_RGTC1_SNORM
;
324 case MESA_FORMAT_RG_RGTC2_UNORM
:
325 return PIPE_FORMAT_RGTC2_UNORM
;
326 case MESA_FORMAT_RG_RGTC2_SNORM
:
327 return PIPE_FORMAT_RGTC2_SNORM
;
329 case MESA_FORMAT_L_LATC1_UNORM
:
330 return PIPE_FORMAT_LATC1_UNORM
;
331 case MESA_FORMAT_L_LATC1_SNORM
:
332 return PIPE_FORMAT_LATC1_SNORM
;
333 case MESA_FORMAT_LA_LATC2_UNORM
:
334 return PIPE_FORMAT_LATC2_UNORM
;
335 case MESA_FORMAT_LA_LATC2_SNORM
:
336 return PIPE_FORMAT_LATC2_SNORM
;
338 /* The destination RGBA format mustn't be changed, because it's also
339 * a destination format of the unpack/decompression function. */
340 case MESA_FORMAT_ETC1_RGB8
:
341 return st
->has_etc1
? PIPE_FORMAT_ETC1_RGB8
: PIPE_FORMAT_R8G8B8A8_UNORM
;
343 case MESA_FORMAT_BPTC_RGBA_UNORM
:
344 return PIPE_FORMAT_BPTC_RGBA_UNORM
;
345 case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM
:
346 return PIPE_FORMAT_BPTC_SRGBA
;
347 case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT
:
348 return PIPE_FORMAT_BPTC_RGB_FLOAT
;
349 case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT
:
350 return PIPE_FORMAT_BPTC_RGB_UFLOAT
;
352 /* signed normalized formats */
353 case MESA_FORMAT_R_SNORM8
:
354 return PIPE_FORMAT_R8_SNORM
;
355 case MESA_FORMAT_R8G8_SNORM
:
356 return PIPE_FORMAT_RG88_SNORM
;
357 case MESA_FORMAT_G8R8_SNORM
:
358 return PIPE_FORMAT_GR88_SNORM
;
359 case MESA_FORMAT_R8G8B8A8_SNORM
:
360 return PIPE_FORMAT_RGBA8888_SNORM
;
361 case MESA_FORMAT_A8B8G8R8_SNORM
:
362 return PIPE_FORMAT_ABGR8888_SNORM
;
364 case MESA_FORMAT_A_SNORM8
:
365 return PIPE_FORMAT_A8_SNORM
;
366 case MESA_FORMAT_L_SNORM8
:
367 return PIPE_FORMAT_L8_SNORM
;
368 case MESA_FORMAT_L8A8_SNORM
:
369 return PIPE_FORMAT_LA88_SNORM
;
370 case MESA_FORMAT_A8L8_SNORM
:
371 return PIPE_FORMAT_AL88_SNORM
;
372 case MESA_FORMAT_I_SNORM8
:
373 return PIPE_FORMAT_I8_SNORM
;
375 case MESA_FORMAT_R_SNORM16
:
376 return PIPE_FORMAT_R16_SNORM
;
377 case MESA_FORMAT_R16G16_SNORM
:
378 return PIPE_FORMAT_RG1616_SNORM
;
379 case MESA_FORMAT_G16R16_SNORM
:
380 return PIPE_FORMAT_GR1616_SNORM
;
381 case MESA_FORMAT_RGBA_SNORM16
:
382 return PIPE_FORMAT_R16G16B16A16_SNORM
;
384 case MESA_FORMAT_A_SNORM16
:
385 return PIPE_FORMAT_A16_SNORM
;
386 case MESA_FORMAT_L_SNORM16
:
387 return PIPE_FORMAT_L16_SNORM
;
388 case MESA_FORMAT_LA_SNORM16
:
389 return PIPE_FORMAT_L16A16_SNORM
;
390 case MESA_FORMAT_I_SNORM16
:
391 return PIPE_FORMAT_I16_SNORM
;
393 case MESA_FORMAT_R9G9B9E5_FLOAT
:
394 return PIPE_FORMAT_R9G9B9E5_FLOAT
;
395 case MESA_FORMAT_R11G11B10_FLOAT
:
396 return PIPE_FORMAT_R11G11B10_FLOAT
;
397 case MESA_FORMAT_B10G10R10A2_UINT
:
398 return PIPE_FORMAT_B10G10R10A2_UINT
;
399 case MESA_FORMAT_R10G10B10A2_UINT
:
400 return PIPE_FORMAT_R10G10B10A2_UINT
;
402 case MESA_FORMAT_B4G4R4X4_UNORM
:
403 return PIPE_FORMAT_B4G4R4X4_UNORM
;
404 case MESA_FORMAT_B5G5R5X1_UNORM
:
405 return PIPE_FORMAT_B5G5R5X1_UNORM
;
406 case MESA_FORMAT_R8G8B8X8_SNORM
:
407 return PIPE_FORMAT_RGBX8888_SNORM
;
408 case MESA_FORMAT_X8B8G8R8_SNORM
:
409 return PIPE_FORMAT_XBGR8888_SNORM
;
410 case MESA_FORMAT_R8G8B8X8_SRGB
:
411 return PIPE_FORMAT_RGBX8888_SRGB
;
412 case MESA_FORMAT_X8B8G8R8_SRGB
:
413 return PIPE_FORMAT_XBGR8888_SRGB
;
414 case MESA_FORMAT_RGBX_UINT8
:
415 return PIPE_FORMAT_R8G8B8X8_UINT
;
416 case MESA_FORMAT_RGBX_SINT8
:
417 return PIPE_FORMAT_R8G8B8X8_SINT
;
418 case MESA_FORMAT_B10G10R10X2_UNORM
:
419 return PIPE_FORMAT_B10G10R10X2_UNORM
;
420 case MESA_FORMAT_RGBX_UNORM16
:
421 return PIPE_FORMAT_R16G16B16X16_UNORM
;
422 case MESA_FORMAT_RGBX_SNORM16
:
423 return PIPE_FORMAT_R16G16B16X16_SNORM
;
424 case MESA_FORMAT_RGBX_FLOAT16
:
425 return PIPE_FORMAT_R16G16B16X16_FLOAT
;
426 case MESA_FORMAT_RGBX_UINT16
:
427 return PIPE_FORMAT_R16G16B16X16_UINT
;
428 case MESA_FORMAT_RGBX_SINT16
:
429 return PIPE_FORMAT_R16G16B16X16_SINT
;
430 case MESA_FORMAT_RGBX_FLOAT32
:
431 return PIPE_FORMAT_R32G32B32X32_FLOAT
;
432 case MESA_FORMAT_RGBX_UINT32
:
433 return PIPE_FORMAT_R32G32B32X32_UINT
;
434 case MESA_FORMAT_RGBX_SINT32
:
435 return PIPE_FORMAT_R32G32B32X32_SINT
;
437 case MESA_FORMAT_B8G8R8X8_SRGB
:
438 return PIPE_FORMAT_BGRX8888_SRGB
;
439 case MESA_FORMAT_X8R8G8B8_SRGB
:
440 return PIPE_FORMAT_XRGB8888_SRGB
;
442 /* ETC2 formats are emulated as uncompressed ones.
443 * The destination formats mustn't be changed, because they are also
444 * destination formats of the unpack/decompression function. */
445 case MESA_FORMAT_ETC2_RGB8
:
446 return st
->has_etc2
? PIPE_FORMAT_ETC2_RGB8
: PIPE_FORMAT_R8G8B8A8_UNORM
;
447 case MESA_FORMAT_ETC2_SRGB8
:
448 return st
->has_etc2
? PIPE_FORMAT_ETC2_SRGB8
: PIPE_FORMAT_B8G8R8A8_SRGB
;
449 case MESA_FORMAT_ETC2_RGBA8_EAC
:
450 return st
->has_etc2
? PIPE_FORMAT_ETC2_RGBA8
: PIPE_FORMAT_R8G8B8A8_UNORM
;
451 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
:
452 return st
->has_etc2
? PIPE_FORMAT_ETC2_SRGBA8
: PIPE_FORMAT_B8G8R8A8_SRGB
;
453 case MESA_FORMAT_ETC2_R11_EAC
:
454 return st
->has_etc2
? PIPE_FORMAT_ETC2_R11_UNORM
: PIPE_FORMAT_R16_UNORM
;
455 case MESA_FORMAT_ETC2_RG11_EAC
:
456 return st
->has_etc2
? PIPE_FORMAT_ETC2_RG11_UNORM
: PIPE_FORMAT_R16G16_UNORM
;
457 case MESA_FORMAT_ETC2_SIGNED_R11_EAC
:
458 return st
->has_etc2
? PIPE_FORMAT_ETC2_R11_SNORM
: PIPE_FORMAT_R16_SNORM
;
459 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC
:
460 return st
->has_etc2
? PIPE_FORMAT_ETC2_RG11_SNORM
: PIPE_FORMAT_R16G16_SNORM
;
461 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
:
462 return st
->has_etc2
? PIPE_FORMAT_ETC2_RGB8A1
: PIPE_FORMAT_R8G8B8A8_UNORM
;
463 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
:
464 return st
->has_etc2
? PIPE_FORMAT_ETC2_SRGB8A1
: PIPE_FORMAT_B8G8R8A8_SRGB
;
467 return PIPE_FORMAT_NONE
;
473 * Translate Gallium format to Mesa format.
476 st_pipe_format_to_mesa_format(enum pipe_format format
)
479 case PIPE_FORMAT_ABGR8888_UNORM
:
480 return MESA_FORMAT_A8B8G8R8_UNORM
;
481 case PIPE_FORMAT_RGBA8888_UNORM
:
482 return MESA_FORMAT_R8G8B8A8_UNORM
;
483 case PIPE_FORMAT_BGRA8888_UNORM
:
484 return MESA_FORMAT_B8G8R8A8_UNORM
;
485 case PIPE_FORMAT_ARGB8888_UNORM
:
486 return MESA_FORMAT_A8R8G8B8_UNORM
;
487 case PIPE_FORMAT_XBGR8888_UNORM
:
488 return MESA_FORMAT_X8B8G8R8_UNORM
;
489 case PIPE_FORMAT_RGBX8888_UNORM
:
490 return MESA_FORMAT_R8G8B8X8_UNORM
;
491 case PIPE_FORMAT_BGRX8888_UNORM
:
492 return MESA_FORMAT_B8G8R8X8_UNORM
;
493 case PIPE_FORMAT_XRGB8888_UNORM
:
494 return MESA_FORMAT_X8R8G8B8_UNORM
;
495 case PIPE_FORMAT_B5G5R5A1_UNORM
:
496 return MESA_FORMAT_B5G5R5A1_UNORM
;
497 case PIPE_FORMAT_B4G4R4A4_UNORM
:
498 return MESA_FORMAT_B4G4R4A4_UNORM
;
499 case PIPE_FORMAT_B5G6R5_UNORM
:
500 return MESA_FORMAT_B5G6R5_UNORM
;
501 case PIPE_FORMAT_B2G3R3_UNORM
:
502 return MESA_FORMAT_B2G3R3_UNORM
;
503 case PIPE_FORMAT_B10G10R10A2_UNORM
:
504 return MESA_FORMAT_B10G10R10A2_UNORM
;
505 case PIPE_FORMAT_R10G10B10A2_UNORM
:
506 return MESA_FORMAT_R10G10B10A2_UNORM
;
507 case PIPE_FORMAT_L4A4_UNORM
:
508 return MESA_FORMAT_L4A4_UNORM
;
509 case PIPE_FORMAT_LA88_UNORM
:
510 return MESA_FORMAT_L8A8_UNORM
;
511 case PIPE_FORMAT_AL88_UNORM
:
512 return MESA_FORMAT_A8L8_UNORM
;
513 case PIPE_FORMAT_LA1616_UNORM
:
514 return MESA_FORMAT_L16A16_UNORM
;
515 case PIPE_FORMAT_AL1616_UNORM
:
516 return MESA_FORMAT_A16L16_UNORM
;
517 case PIPE_FORMAT_A8_UNORM
:
518 return MESA_FORMAT_A_UNORM8
;
519 case PIPE_FORMAT_A16_UNORM
:
520 return MESA_FORMAT_A_UNORM16
;
521 case PIPE_FORMAT_L8_UNORM
:
522 return MESA_FORMAT_L_UNORM8
;
523 case PIPE_FORMAT_L16_UNORM
:
524 return MESA_FORMAT_L_UNORM16
;
525 case PIPE_FORMAT_I8_UNORM
:
526 return MESA_FORMAT_I_UNORM8
;
527 case PIPE_FORMAT_I16_UNORM
:
528 return MESA_FORMAT_I_UNORM16
;
529 case PIPE_FORMAT_S8_UINT
:
530 return MESA_FORMAT_S_UINT8
;
532 case PIPE_FORMAT_R16G16B16A16_UNORM
:
533 return MESA_FORMAT_RGBA_UNORM16
;
535 case PIPE_FORMAT_Z16_UNORM
:
536 return MESA_FORMAT_Z_UNORM16
;
537 case PIPE_FORMAT_Z32_UNORM
:
538 return MESA_FORMAT_Z_UNORM32
;
539 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
540 return MESA_FORMAT_S8_UINT_Z24_UNORM
;
541 case PIPE_FORMAT_X8Z24_UNORM
:
542 return MESA_FORMAT_X8_UINT_Z24_UNORM
;
543 case PIPE_FORMAT_Z24X8_UNORM
:
544 return MESA_FORMAT_Z24_UNORM_X8_UINT
;
545 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
546 return MESA_FORMAT_Z24_UNORM_S8_UINT
;
547 case PIPE_FORMAT_Z32_FLOAT
:
548 return MESA_FORMAT_Z_FLOAT32
;
549 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
550 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT
;
552 case PIPE_FORMAT_UYVY
:
553 return MESA_FORMAT_YCBCR
;
554 case PIPE_FORMAT_YUYV
:
555 return MESA_FORMAT_YCBCR_REV
;
557 case PIPE_FORMAT_DXT1_RGB
:
558 return MESA_FORMAT_RGB_DXT1
;
559 case PIPE_FORMAT_DXT1_RGBA
:
560 return MESA_FORMAT_RGBA_DXT1
;
561 case PIPE_FORMAT_DXT3_RGBA
:
562 return MESA_FORMAT_RGBA_DXT3
;
563 case PIPE_FORMAT_DXT5_RGBA
:
564 return MESA_FORMAT_RGBA_DXT5
;
565 case PIPE_FORMAT_DXT1_SRGB
:
566 return MESA_FORMAT_SRGB_DXT1
;
567 case PIPE_FORMAT_DXT1_SRGBA
:
568 return MESA_FORMAT_SRGBA_DXT1
;
569 case PIPE_FORMAT_DXT3_SRGBA
:
570 return MESA_FORMAT_SRGBA_DXT3
;
571 case PIPE_FORMAT_DXT5_SRGBA
:
572 return MESA_FORMAT_SRGBA_DXT5
;
573 case PIPE_FORMAT_LA88_SRGB
:
574 return MESA_FORMAT_L8A8_SRGB
;
575 case PIPE_FORMAT_AL88_SRGB
:
576 return MESA_FORMAT_A8L8_SRGB
;
577 case PIPE_FORMAT_L8_SRGB
:
578 return MESA_FORMAT_L_SRGB8
;
579 case PIPE_FORMAT_R8G8B8_SRGB
:
580 return MESA_FORMAT_BGR_SRGB8
;
581 case PIPE_FORMAT_ABGR8888_SRGB
:
582 return MESA_FORMAT_A8B8G8R8_SRGB
;
583 case PIPE_FORMAT_RGBA8888_SRGB
:
584 return MESA_FORMAT_R8G8B8A8_SRGB
;
585 case PIPE_FORMAT_BGRA8888_SRGB
:
586 return MESA_FORMAT_B8G8R8A8_SRGB
;
587 case PIPE_FORMAT_ARGB8888_SRGB
:
588 return MESA_FORMAT_A8R8G8B8_SRGB
;
589 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
590 return MESA_FORMAT_RGBA_FLOAT32
;
591 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
592 return MESA_FORMAT_RGBA_FLOAT16
;
593 case PIPE_FORMAT_R32G32B32_FLOAT
:
594 return MESA_FORMAT_RGB_FLOAT32
;
595 case PIPE_FORMAT_R16G16B16_FLOAT
:
596 return MESA_FORMAT_RGB_FLOAT16
;
597 case PIPE_FORMAT_L32A32_FLOAT
:
598 return MESA_FORMAT_LA_FLOAT32
;
599 case PIPE_FORMAT_L16A16_FLOAT
:
600 return MESA_FORMAT_LA_FLOAT16
;
601 case PIPE_FORMAT_L32_FLOAT
:
602 return MESA_FORMAT_L_FLOAT32
;
603 case PIPE_FORMAT_L16_FLOAT
:
604 return MESA_FORMAT_L_FLOAT16
;
605 case PIPE_FORMAT_A32_FLOAT
:
606 return MESA_FORMAT_A_FLOAT32
;
607 case PIPE_FORMAT_A16_FLOAT
:
608 return MESA_FORMAT_A_FLOAT16
;
609 case PIPE_FORMAT_I32_FLOAT
:
610 return MESA_FORMAT_I_FLOAT32
;
611 case PIPE_FORMAT_I16_FLOAT
:
612 return MESA_FORMAT_I_FLOAT16
;
613 case PIPE_FORMAT_R32_FLOAT
:
614 return MESA_FORMAT_R_FLOAT32
;
615 case PIPE_FORMAT_R16_FLOAT
:
616 return MESA_FORMAT_R_FLOAT16
;
617 case PIPE_FORMAT_R32G32_FLOAT
:
618 return MESA_FORMAT_RG_FLOAT32
;
619 case PIPE_FORMAT_R16G16_FLOAT
:
620 return MESA_FORMAT_RG_FLOAT16
;
622 case PIPE_FORMAT_R8_UNORM
:
623 return MESA_FORMAT_R_UNORM8
;
624 case PIPE_FORMAT_R16_UNORM
:
625 return MESA_FORMAT_R_UNORM16
;
626 case PIPE_FORMAT_RG88_UNORM
:
627 return MESA_FORMAT_R8G8_UNORM
;
628 case PIPE_FORMAT_GR88_UNORM
:
629 return MESA_FORMAT_G8R8_UNORM
;
630 case PIPE_FORMAT_RG1616_UNORM
:
631 return MESA_FORMAT_R16G16_UNORM
;
632 case PIPE_FORMAT_GR1616_UNORM
:
633 return MESA_FORMAT_G16R16_UNORM
;
635 case PIPE_FORMAT_A8_UINT
:
636 return MESA_FORMAT_A_UINT8
;
637 case PIPE_FORMAT_A16_UINT
:
638 return MESA_FORMAT_A_UINT16
;
639 case PIPE_FORMAT_A32_UINT
:
640 return MESA_FORMAT_A_UINT32
;
641 case PIPE_FORMAT_A8_SINT
:
642 return MESA_FORMAT_A_SINT8
;
643 case PIPE_FORMAT_A16_SINT
:
644 return MESA_FORMAT_A_SINT16
;
645 case PIPE_FORMAT_A32_SINT
:
646 return MESA_FORMAT_A_SINT32
;
648 case PIPE_FORMAT_I8_UINT
:
649 return MESA_FORMAT_I_UINT8
;
650 case PIPE_FORMAT_I16_UINT
:
651 return MESA_FORMAT_I_UINT16
;
652 case PIPE_FORMAT_I32_UINT
:
653 return MESA_FORMAT_I_UINT32
;
654 case PIPE_FORMAT_I8_SINT
:
655 return MESA_FORMAT_I_SINT8
;
656 case PIPE_FORMAT_I16_SINT
:
657 return MESA_FORMAT_I_SINT16
;
658 case PIPE_FORMAT_I32_SINT
:
659 return MESA_FORMAT_I_SINT32
;
661 case PIPE_FORMAT_L8_UINT
:
662 return MESA_FORMAT_L_UINT8
;
663 case PIPE_FORMAT_L16_UINT
:
664 return MESA_FORMAT_L_UINT16
;
665 case PIPE_FORMAT_L32_UINT
:
666 return MESA_FORMAT_L_UINT32
;
667 case PIPE_FORMAT_L8_SINT
:
668 return MESA_FORMAT_L_SINT8
;
669 case PIPE_FORMAT_L16_SINT
:
670 return MESA_FORMAT_L_SINT16
;
671 case PIPE_FORMAT_L32_SINT
:
672 return MESA_FORMAT_L_SINT32
;
674 case PIPE_FORMAT_L8A8_UINT
:
675 return MESA_FORMAT_LA_UINT8
;
676 case PIPE_FORMAT_L16A16_UINT
:
677 return MESA_FORMAT_LA_UINT16
;
678 case PIPE_FORMAT_L32A32_UINT
:
679 return MESA_FORMAT_LA_UINT32
;
680 case PIPE_FORMAT_L8A8_SINT
:
681 return MESA_FORMAT_LA_SINT8
;
682 case PIPE_FORMAT_L16A16_SINT
:
683 return MESA_FORMAT_LA_SINT16
;
684 case PIPE_FORMAT_L32A32_SINT
:
685 return MESA_FORMAT_LA_SINT32
;
687 case PIPE_FORMAT_R8_SINT
:
688 return MESA_FORMAT_R_SINT8
;
689 case PIPE_FORMAT_R8G8_SINT
:
690 return MESA_FORMAT_RG_SINT8
;
691 case PIPE_FORMAT_R8G8B8_SINT
:
692 return MESA_FORMAT_RGB_SINT8
;
693 case PIPE_FORMAT_R8G8B8A8_SINT
:
694 return MESA_FORMAT_RGBA_SINT8
;
696 case PIPE_FORMAT_R16_SINT
:
697 return MESA_FORMAT_R_SINT16
;
698 case PIPE_FORMAT_R16G16_SINT
:
699 return MESA_FORMAT_RG_SINT16
;
700 case PIPE_FORMAT_R16G16B16_SINT
:
701 return MESA_FORMAT_RGB_SINT16
;
702 case PIPE_FORMAT_R16G16B16A16_SINT
:
703 return MESA_FORMAT_RGBA_SINT16
;
705 case PIPE_FORMAT_R32_SINT
:
706 return MESA_FORMAT_R_SINT32
;
707 case PIPE_FORMAT_R32G32_SINT
:
708 return MESA_FORMAT_RG_SINT32
;
709 case PIPE_FORMAT_R32G32B32_SINT
:
710 return MESA_FORMAT_RGB_SINT32
;
711 case PIPE_FORMAT_R32G32B32A32_SINT
:
712 return MESA_FORMAT_RGBA_SINT32
;
714 /* unsigned int formats */
715 case PIPE_FORMAT_R8_UINT
:
716 return MESA_FORMAT_R_UINT8
;
717 case PIPE_FORMAT_R8G8_UINT
:
718 return MESA_FORMAT_RG_UINT8
;
719 case PIPE_FORMAT_R8G8B8_UINT
:
720 return MESA_FORMAT_RGB_UINT8
;
721 case PIPE_FORMAT_R8G8B8A8_UINT
:
722 return MESA_FORMAT_RGBA_UINT8
;
724 case PIPE_FORMAT_R16_UINT
:
725 return MESA_FORMAT_R_UINT16
;
726 case PIPE_FORMAT_R16G16_UINT
:
727 return MESA_FORMAT_RG_UINT16
;
728 case PIPE_FORMAT_R16G16B16_UINT
:
729 return MESA_FORMAT_RGB_UINT16
;
730 case PIPE_FORMAT_R16G16B16A16_UINT
:
731 return MESA_FORMAT_RGBA_UINT16
;
733 case PIPE_FORMAT_R32_UINT
:
734 return MESA_FORMAT_R_UINT32
;
735 case PIPE_FORMAT_R32G32_UINT
:
736 return MESA_FORMAT_RG_UINT32
;
737 case PIPE_FORMAT_R32G32B32_UINT
:
738 return MESA_FORMAT_RGB_UINT32
;
739 case PIPE_FORMAT_R32G32B32A32_UINT
:
740 return MESA_FORMAT_RGBA_UINT32
;
742 case PIPE_FORMAT_RGTC1_UNORM
:
743 return MESA_FORMAT_R_RGTC1_UNORM
;
744 case PIPE_FORMAT_RGTC1_SNORM
:
745 return MESA_FORMAT_R_RGTC1_SNORM
;
746 case PIPE_FORMAT_RGTC2_UNORM
:
747 return MESA_FORMAT_RG_RGTC2_UNORM
;
748 case PIPE_FORMAT_RGTC2_SNORM
:
749 return MESA_FORMAT_RG_RGTC2_SNORM
;
751 case PIPE_FORMAT_LATC1_UNORM
:
752 return MESA_FORMAT_L_LATC1_UNORM
;
753 case PIPE_FORMAT_LATC1_SNORM
:
754 return MESA_FORMAT_L_LATC1_SNORM
;
755 case PIPE_FORMAT_LATC2_UNORM
:
756 return MESA_FORMAT_LA_LATC2_UNORM
;
757 case PIPE_FORMAT_LATC2_SNORM
:
758 return MESA_FORMAT_LA_LATC2_SNORM
;
760 case PIPE_FORMAT_ETC1_RGB8
:
761 return MESA_FORMAT_ETC1_RGB8
;
763 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
764 return MESA_FORMAT_BPTC_RGBA_UNORM
;
765 case PIPE_FORMAT_BPTC_SRGBA
:
766 return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM
;
767 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
768 return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT
;
769 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
770 return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT
;
772 /* signed normalized formats */
773 case PIPE_FORMAT_R8_SNORM
:
774 return MESA_FORMAT_R_SNORM8
;
775 case PIPE_FORMAT_RG88_SNORM
:
776 return MESA_FORMAT_R8G8_SNORM
;
777 case PIPE_FORMAT_GR88_SNORM
:
778 return MESA_FORMAT_G8R8_SNORM
;
779 case PIPE_FORMAT_RGBA8888_SNORM
:
780 return MESA_FORMAT_R8G8B8A8_SNORM
;
781 case PIPE_FORMAT_ABGR8888_SNORM
:
782 return MESA_FORMAT_A8B8G8R8_SNORM
;
784 case PIPE_FORMAT_A8_SNORM
:
785 return MESA_FORMAT_A_SNORM8
;
786 case PIPE_FORMAT_L8_SNORM
:
787 return MESA_FORMAT_L_SNORM8
;
788 case PIPE_FORMAT_LA88_SNORM
:
789 return MESA_FORMAT_L8A8_SNORM
;
790 case PIPE_FORMAT_AL88_SNORM
:
791 return MESA_FORMAT_A8L8_SNORM
;
792 case PIPE_FORMAT_I8_SNORM
:
793 return MESA_FORMAT_I_SNORM8
;
795 case PIPE_FORMAT_R16_SNORM
:
796 return MESA_FORMAT_R_SNORM16
;
797 case PIPE_FORMAT_RG1616_SNORM
:
798 return MESA_FORMAT_R16G16_SNORM
;
799 case PIPE_FORMAT_GR1616_SNORM
:
800 return MESA_FORMAT_G16R16_SNORM
;
801 case PIPE_FORMAT_R16G16B16A16_SNORM
:
802 return MESA_FORMAT_RGBA_SNORM16
;
804 case PIPE_FORMAT_A16_SNORM
:
805 return MESA_FORMAT_A_SNORM16
;
806 case PIPE_FORMAT_L16_SNORM
:
807 return MESA_FORMAT_L_SNORM16
;
808 case PIPE_FORMAT_L16A16_SNORM
:
809 return MESA_FORMAT_LA_SNORM16
;
810 case PIPE_FORMAT_I16_SNORM
:
811 return MESA_FORMAT_I_SNORM16
;
813 case PIPE_FORMAT_R9G9B9E5_FLOAT
:
814 return MESA_FORMAT_R9G9B9E5_FLOAT
;
815 case PIPE_FORMAT_R11G11B10_FLOAT
:
816 return MESA_FORMAT_R11G11B10_FLOAT
;
818 case PIPE_FORMAT_B10G10R10A2_UINT
:
819 return MESA_FORMAT_B10G10R10A2_UINT
;
820 case PIPE_FORMAT_R10G10B10A2_UINT
:
821 return MESA_FORMAT_R10G10B10A2_UINT
;
823 case PIPE_FORMAT_B4G4R4X4_UNORM
:
824 return MESA_FORMAT_B4G4R4X4_UNORM
;
825 case PIPE_FORMAT_B5G5R5X1_UNORM
:
826 return MESA_FORMAT_B5G5R5X1_UNORM
;
827 case PIPE_FORMAT_RGBX8888_SNORM
:
828 return MESA_FORMAT_R8G8B8X8_SNORM
;
829 case PIPE_FORMAT_XBGR8888_SNORM
:
830 return MESA_FORMAT_X8B8G8R8_SNORM
;
831 case PIPE_FORMAT_RGBX8888_SRGB
:
832 return MESA_FORMAT_R8G8B8X8_SRGB
;
833 case PIPE_FORMAT_XBGR8888_SRGB
:
834 return MESA_FORMAT_X8B8G8R8_SRGB
;
835 case PIPE_FORMAT_R8G8B8X8_UINT
:
836 return MESA_FORMAT_RGBX_UINT8
;
837 case PIPE_FORMAT_R8G8B8X8_SINT
:
838 return MESA_FORMAT_RGBX_SINT8
;
839 case PIPE_FORMAT_B10G10R10X2_UNORM
:
840 return MESA_FORMAT_B10G10R10X2_UNORM
;
841 case PIPE_FORMAT_R16G16B16X16_UNORM
:
842 return MESA_FORMAT_RGBX_UNORM16
;
843 case PIPE_FORMAT_R16G16B16X16_SNORM
:
844 return MESA_FORMAT_RGBX_SNORM16
;
845 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
846 return MESA_FORMAT_RGBX_FLOAT16
;
847 case PIPE_FORMAT_R16G16B16X16_UINT
:
848 return MESA_FORMAT_RGBX_UINT16
;
849 case PIPE_FORMAT_R16G16B16X16_SINT
:
850 return MESA_FORMAT_RGBX_SINT16
;
851 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
852 return MESA_FORMAT_RGBX_FLOAT32
;
853 case PIPE_FORMAT_R32G32B32X32_UINT
:
854 return MESA_FORMAT_RGBX_UINT32
;
855 case PIPE_FORMAT_R32G32B32X32_SINT
:
856 return MESA_FORMAT_RGBX_SINT32
;
858 case PIPE_FORMAT_BGRX8888_SRGB
:
859 return MESA_FORMAT_B8G8R8X8_SRGB
;
860 case PIPE_FORMAT_XRGB8888_SRGB
:
861 return MESA_FORMAT_X8R8G8B8_SRGB
;
863 case PIPE_FORMAT_ETC2_RGB8
:
864 return MESA_FORMAT_ETC2_RGB8
;
865 case PIPE_FORMAT_ETC2_SRGB8
:
866 return MESA_FORMAT_ETC2_SRGB8
;
867 case PIPE_FORMAT_ETC2_RGB8A1
:
868 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
869 case PIPE_FORMAT_ETC2_SRGB8A1
:
870 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
;
871 case PIPE_FORMAT_ETC2_RGBA8
:
872 return MESA_FORMAT_ETC2_RGBA8_EAC
;
873 case PIPE_FORMAT_ETC2_SRGBA8
:
874 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
;
875 case PIPE_FORMAT_ETC2_R11_UNORM
:
876 return MESA_FORMAT_ETC2_R11_EAC
;
877 case PIPE_FORMAT_ETC2_R11_SNORM
:
878 return MESA_FORMAT_ETC2_SIGNED_R11_EAC
;
879 case PIPE_FORMAT_ETC2_RG11_UNORM
:
880 return MESA_FORMAT_ETC2_RG11_EAC
;
881 case PIPE_FORMAT_ETC2_RG11_SNORM
:
882 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC
;
885 return MESA_FORMAT_NONE
;
891 * Debug only: check that the two functions above correctly map
892 * Mesa formats to Gallium formats and back again.
895 test_format_conversion(struct st_context
*st
)
899 /* test all Mesa formats */
900 for (i
= 1; i
< MESA_FORMAT_COUNT
; i
++) {
903 /* ETC formats are translated differently, skip them. */
904 if (_mesa_is_format_etc2(i
))
906 if (i
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)
909 pf
= st_mesa_format_to_pipe_format(st
, i
);
910 if (pf
!= PIPE_FORMAT_NONE
) {
911 mesa_format mf
= st_pipe_format_to_mesa_format(pf
);
916 /* Test all Gallium formats */
917 for (i
= 1; i
< PIPE_FORMAT_COUNT
; i
++) {
918 mesa_format mf
= st_pipe_format_to_mesa_format(i
);
920 /* ETC formats are translated differently, skip them. */
921 if (i
== PIPE_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)
924 if (_mesa_is_format_etc2(mf
) && !st
->has_etc2
)
927 if (mf
!= MESA_FORMAT_NONE
) {
928 enum pipe_format pf
= st_mesa_format_to_pipe_format(st
, mf
);
936 * Map GL texture formats to Gallium pipe formats.
938 struct format_mapping
940 GLenum glFormats
[18]; /**< list of GLenum formats, 0-terminated */
941 enum pipe_format pipeFormats
[13]; /**< list of pipe formats, 0-terminated */
945 #define DEFAULT_RGBA_FORMATS \
946 PIPE_FORMAT_B8G8R8A8_UNORM, \
947 PIPE_FORMAT_R8G8B8A8_UNORM, \
948 PIPE_FORMAT_A8R8G8B8_UNORM, \
949 PIPE_FORMAT_A8B8G8R8_UNORM, \
952 #define DEFAULT_RGB_FORMATS \
953 PIPE_FORMAT_B8G8R8X8_UNORM, \
954 PIPE_FORMAT_R8G8B8X8_UNORM, \
955 PIPE_FORMAT_X8R8G8B8_UNORM, \
956 PIPE_FORMAT_X8B8G8R8_UNORM, \
957 PIPE_FORMAT_B5G6R5_UNORM, \
960 #define DEFAULT_SRGBA_FORMATS \
961 PIPE_FORMAT_B8G8R8A8_SRGB, \
962 PIPE_FORMAT_R8G8B8A8_SRGB, \
963 PIPE_FORMAT_A8R8G8B8_SRGB, \
964 PIPE_FORMAT_A8B8G8R8_SRGB, \
967 #define DEFAULT_DEPTH_FORMATS \
968 PIPE_FORMAT_Z24X8_UNORM, \
969 PIPE_FORMAT_X8Z24_UNORM, \
970 PIPE_FORMAT_Z16_UNORM, \
971 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
972 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
975 #define DEFAULT_SNORM8_RGBA_FORMATS \
976 PIPE_FORMAT_R8G8B8A8_SNORM, \
979 #define DEFAULT_UNORM16_RGBA_FORMATS \
980 PIPE_FORMAT_R16G16B16A16_UNORM, \
985 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
986 * Multiple GL enums might map to multiple pipe_formats.
987 * The first pipe format in the list that's supported is the one that's chosen.
989 static const struct format_mapping format_map
[] = {
990 /* Basic RGB, RGBA formats */
993 { PIPE_FORMAT_B10G10R10X2_UNORM
, PIPE_FORMAT_B10G10R10A2_UNORM
,
994 DEFAULT_RGB_FORMATS
}
998 { PIPE_FORMAT_B10G10R10A2_UNORM
, PIPE_FORMAT_R10G10B10A2_UNORM
,
999 DEFAULT_RGBA_FORMATS
}
1002 { 4, GL_RGBA
, GL_RGBA8
, 0 },
1003 { DEFAULT_RGBA_FORMATS
}
1007 { DEFAULT_RGBA_FORMATS
}
1010 { 3, GL_RGB
, GL_RGB8
, 0 },
1011 { DEFAULT_RGB_FORMATS
}
1014 { GL_RGB12
, GL_RGB16
, 0 },
1015 { PIPE_FORMAT_R16G16B16X16_UNORM
, PIPE_FORMAT_R16G16B16A16_UNORM
,
1016 DEFAULT_RGB_FORMATS
}
1019 { GL_RGBA12
, GL_RGBA16
, 0 },
1020 { PIPE_FORMAT_R16G16B16A16_UNORM
, DEFAULT_RGBA_FORMATS
}
1023 { GL_RGBA4
, GL_RGBA2
, 0 },
1024 { PIPE_FORMAT_B4G4R4A4_UNORM
, DEFAULT_RGBA_FORMATS
}
1028 { PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGBA_FORMATS
}
1032 { PIPE_FORMAT_B2G3R3_UNORM
, PIPE_FORMAT_B5G6R5_UNORM
,
1033 PIPE_FORMAT_B5G5R5A1_UNORM
, DEFAULT_RGB_FORMATS
}
1037 { PIPE_FORMAT_B4G4R4X4_UNORM
, PIPE_FORMAT_B4G4R4A4_UNORM
,
1038 DEFAULT_RGB_FORMATS
}
1042 { PIPE_FORMAT_B5G5R5X1_UNORM
, PIPE_FORMAT_B5G5R5A1_UNORM
,
1043 DEFAULT_RGB_FORMATS
}
1047 { PIPE_FORMAT_B5G6R5_UNORM
, DEFAULT_RGB_FORMATS
}
1050 /* basic Alpha formats */
1052 { GL_ALPHA12
, GL_ALPHA16
, 0 },
1053 { PIPE_FORMAT_A16_UNORM
, PIPE_FORMAT_A8_UNORM
,
1054 DEFAULT_RGBA_FORMATS
}
1057 { GL_ALPHA
, GL_ALPHA4
, GL_ALPHA8
, GL_COMPRESSED_ALPHA
, 0 },
1058 { PIPE_FORMAT_A8_UNORM
, DEFAULT_RGBA_FORMATS
}
1061 /* basic Luminance formats */
1063 { GL_LUMINANCE12
, GL_LUMINANCE16
, 0 },
1064 { PIPE_FORMAT_L16_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
1067 { 1, GL_LUMINANCE
, GL_LUMINANCE4
, GL_LUMINANCE8
, 0 },
1068 { PIPE_FORMAT_L8_UNORM
, DEFAULT_RGB_FORMATS
}
1071 /* basic Luminance/Alpha formats */
1073 { GL_LUMINANCE12_ALPHA4
, GL_LUMINANCE12_ALPHA12
,
1074 GL_LUMINANCE16_ALPHA16
, 0},
1075 { PIPE_FORMAT_L16A16_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
1076 DEFAULT_RGBA_FORMATS
}
1079 { 2, GL_LUMINANCE_ALPHA
, GL_LUMINANCE6_ALPHA2
, GL_LUMINANCE8_ALPHA8
, 0 },
1080 { PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
1083 { GL_LUMINANCE4_ALPHA4
, 0 },
1084 { PIPE_FORMAT_L4A4_UNORM
, PIPE_FORMAT_L8A8_UNORM
,
1085 DEFAULT_RGBA_FORMATS
}
1088 /* basic Intensity formats */
1090 { GL_INTENSITY12
, GL_INTENSITY16
, 0 },
1091 { PIPE_FORMAT_I16_UNORM
, PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
1094 { GL_INTENSITY
, GL_INTENSITY4
, GL_INTENSITY8
,
1095 GL_COMPRESSED_INTENSITY
, 0 },
1096 { PIPE_FORMAT_I8_UNORM
, DEFAULT_RGBA_FORMATS
}
1101 { GL_YCBCR_MESA
, 0 },
1102 { PIPE_FORMAT_UYVY
, PIPE_FORMAT_YUYV
, 0 }
1105 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
1107 { GL_COMPRESSED_RGB
, 0 },
1108 { PIPE_FORMAT_DXT1_RGB
, DEFAULT_RGB_FORMATS
}
1111 { GL_COMPRESSED_RGBA
, 0 },
1112 { PIPE_FORMAT_DXT5_RGBA
, DEFAULT_RGBA_FORMATS
}
1115 { GL_RGB_S3TC
, GL_RGB4_S3TC
, GL_COMPRESSED_RGB_S3TC_DXT1_EXT
, 0 },
1116 { PIPE_FORMAT_DXT1_RGB
, 0 }
1119 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
, 0 },
1120 { PIPE_FORMAT_DXT1_RGBA
, 0 }
1123 { GL_RGBA_S3TC
, GL_RGBA4_S3TC
, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
, 0 },
1124 { PIPE_FORMAT_DXT3_RGBA
, 0 }
1127 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
, 0 },
1128 { PIPE_FORMAT_DXT5_RGBA
, 0 }
1133 { GL_COMPRESSED_RGB_FXT1_3DFX
, 0 },
1134 { PIPE_FORMAT_RGB_FXT1
, 0 }
1137 { GL_COMPRESSED_RGBA_FXT1_3DFX
, 0 },
1138 { PIPE_FORMAT_RGBA_FXT1
, 0 }
1144 { GL_DEPTH_COMPONENT16
, 0 },
1145 { PIPE_FORMAT_Z16_UNORM
, DEFAULT_DEPTH_FORMATS
}
1148 { GL_DEPTH_COMPONENT24
, 0 },
1149 { PIPE_FORMAT_Z24X8_UNORM
, PIPE_FORMAT_X8Z24_UNORM
,
1150 DEFAULT_DEPTH_FORMATS
}
1153 { GL_DEPTH_COMPONENT32
, 0 },
1154 { PIPE_FORMAT_Z32_UNORM
, DEFAULT_DEPTH_FORMATS
}
1157 { GL_DEPTH_COMPONENT
, 0 },
1158 { DEFAULT_DEPTH_FORMATS
}
1161 { GL_DEPTH_COMPONENT32F
, 0 },
1162 { PIPE_FORMAT_Z32_FLOAT
, 0 }
1165 /* stencil formats */
1167 { GL_STENCIL_INDEX
, GL_STENCIL_INDEX1_EXT
, GL_STENCIL_INDEX4_EXT
,
1168 GL_STENCIL_INDEX8_EXT
, GL_STENCIL_INDEX16_EXT
, 0 },
1170 PIPE_FORMAT_S8_UINT
, PIPE_FORMAT_Z24_UNORM_S8_UINT
,
1171 PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0
1175 /* Depth / Stencil formats */
1177 { GL_DEPTH_STENCIL_EXT
, GL_DEPTH24_STENCIL8_EXT
, 0 },
1178 { PIPE_FORMAT_Z24_UNORM_S8_UINT
, PIPE_FORMAT_S8_UINT_Z24_UNORM
, 0 }
1181 { GL_DEPTH32F_STENCIL8
, 0 },
1182 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
, 0 }
1187 { GL_SRGB_EXT
, GL_SRGB8_EXT
, 0 },
1188 { PIPE_FORMAT_R8G8B8X8_SRGB
, PIPE_FORMAT_B8G8R8X8_SRGB
,
1189 DEFAULT_SRGBA_FORMATS
}
1192 { GL_SRGB_ALPHA_EXT
, GL_SRGB8_ALPHA8_EXT
, 0 },
1193 { DEFAULT_SRGBA_FORMATS
}
1196 { GL_COMPRESSED_SRGB_EXT
, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
, 0 },
1197 { PIPE_FORMAT_DXT1_SRGB
, PIPE_FORMAT_R8G8B8X8_SRGB
,
1198 PIPE_FORMAT_B8G8R8X8_SRGB
, DEFAULT_SRGBA_FORMATS
}
1201 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
, 0 },
1202 { PIPE_FORMAT_DXT1_SRGBA
, 0 }
1205 { GL_COMPRESSED_SRGB_ALPHA_EXT
,
1206 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
, 0 },
1207 { PIPE_FORMAT_DXT3_SRGBA
, DEFAULT_SRGBA_FORMATS
}
1210 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
, 0 },
1211 { PIPE_FORMAT_DXT5_SRGBA
, 0 }
1214 { GL_SLUMINANCE_ALPHA_EXT
, GL_SLUMINANCE8_ALPHA8_EXT
,
1215 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
, 0 },
1216 { PIPE_FORMAT_L8A8_SRGB
, DEFAULT_SRGBA_FORMATS
}
1219 { GL_SLUMINANCE_EXT
, GL_SLUMINANCE8_EXT
, GL_COMPRESSED_SLUMINANCE_EXT
,
1221 { PIPE_FORMAT_L8_SRGB
, DEFAULT_SRGBA_FORMATS
}
1224 /* 16-bit float formats */
1226 { GL_RGBA16F_ARB
, 0 },
1227 { PIPE_FORMAT_R16G16B16A16_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1230 { GL_RGB16F_ARB
, 0 },
1231 { PIPE_FORMAT_R16G16B16_FLOAT
, PIPE_FORMAT_R16G16B16X16_FLOAT
,
1232 PIPE_FORMAT_R16G16B16A16_FLOAT
,
1233 PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1236 { GL_LUMINANCE_ALPHA16F_ARB
, 0 },
1237 { PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1238 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1241 { GL_ALPHA16F_ARB
, 0 },
1242 { PIPE_FORMAT_A16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1243 PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1244 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1247 { GL_INTENSITY16F_ARB
, 0 },
1248 { PIPE_FORMAT_I16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1249 PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1250 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1253 { GL_LUMINANCE16F_ARB
, 0 },
1254 { PIPE_FORMAT_L16_FLOAT
, PIPE_FORMAT_L16A16_FLOAT
,
1255 PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1256 PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1260 { PIPE_FORMAT_R16_FLOAT
, PIPE_FORMAT_R16G16_FLOAT
,
1261 PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1262 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1266 { PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
,
1267 PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
, 0 }
1270 /* 32-bit float formats */
1272 { GL_RGBA32F_ARB
, 0 },
1273 { PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1276 { GL_RGB32F_ARB
, 0 },
1277 { PIPE_FORMAT_R32G32B32_FLOAT
, PIPE_FORMAT_R32G32B32X32_FLOAT
,
1278 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1281 { GL_LUMINANCE_ALPHA32F_ARB
, 0 },
1282 { PIPE_FORMAT_L32A32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1283 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1286 { GL_ALPHA32F_ARB
, 0 },
1287 { PIPE_FORMAT_A32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1288 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_A16_FLOAT
,
1289 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1292 { GL_INTENSITY32F_ARB
, 0 },
1293 { PIPE_FORMAT_I32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1294 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_I16_FLOAT
,
1295 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1298 { GL_LUMINANCE32F_ARB
, 0 },
1299 { PIPE_FORMAT_L32_FLOAT
, PIPE_FORMAT_L32A32_FLOAT
,
1300 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_L16_FLOAT
,
1301 PIPE_FORMAT_L16A16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1305 { PIPE_FORMAT_R32_FLOAT
, PIPE_FORMAT_R32G32_FLOAT
,
1306 PIPE_FORMAT_R32G32B32A32_FLOAT
, PIPE_FORMAT_R16_FLOAT
,
1307 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1311 { PIPE_FORMAT_R32G32_FLOAT
, PIPE_FORMAT_R32G32B32A32_FLOAT
,
1312 PIPE_FORMAT_R16G16_FLOAT
, PIPE_FORMAT_R16G16B16A16_FLOAT
, 0 }
1317 { GL_RED
, GL_R8
, 0 },
1318 { PIPE_FORMAT_R8_UNORM
, PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1321 { GL_RG
, GL_RG8
, 0 },
1322 { PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1326 { PIPE_FORMAT_R16_UNORM
, PIPE_FORMAT_R16G16_UNORM
,
1327 DEFAULT_UNORM16_RGBA_FORMATS
}
1331 { PIPE_FORMAT_R16G16_UNORM
, DEFAULT_UNORM16_RGBA_FORMATS
}
1334 /* compressed R, RG formats */
1336 { GL_COMPRESSED_RED
, GL_COMPRESSED_RED_RGTC1
, 0 },
1337 { PIPE_FORMAT_RGTC1_UNORM
, PIPE_FORMAT_R8_UNORM
, DEFAULT_RGBA_FORMATS
}
1340 { GL_COMPRESSED_SIGNED_RED_RGTC1
, 0 },
1341 { PIPE_FORMAT_RGTC1_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1344 { GL_COMPRESSED_RG
, GL_COMPRESSED_RG_RGTC2
, 0 },
1345 { PIPE_FORMAT_RGTC2_UNORM
, PIPE_FORMAT_R8G8_UNORM
, DEFAULT_RGBA_FORMATS
}
1348 { GL_COMPRESSED_SIGNED_RG_RGTC2
, 0 },
1349 { PIPE_FORMAT_RGTC2_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1352 { GL_COMPRESSED_LUMINANCE
, GL_COMPRESSED_LUMINANCE_LATC1_EXT
, 0 },
1353 { PIPE_FORMAT_LATC1_UNORM
, PIPE_FORMAT_L8_UNORM
, DEFAULT_RGBA_FORMATS
}
1356 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
, 0 },
1357 { PIPE_FORMAT_LATC1_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1360 { GL_COMPRESSED_LUMINANCE_ALPHA
, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
,
1361 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
, 0 },
1362 { PIPE_FORMAT_LATC2_UNORM
, PIPE_FORMAT_L8A8_UNORM
, DEFAULT_RGBA_FORMATS
}
1365 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
, 0 },
1366 { PIPE_FORMAT_LATC2_SNORM
, DEFAULT_SNORM8_RGBA_FORMATS
}
1371 { GL_ETC1_RGB8_OES
, 0 },
1372 { PIPE_FORMAT_ETC1_RGB8
, 0 }
1377 { GL_COMPRESSED_RGBA_BPTC_UNORM
, 0 },
1378 { PIPE_FORMAT_BPTC_RGBA_UNORM
, 0 },
1381 { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
, 0 },
1382 { PIPE_FORMAT_BPTC_SRGBA
, 0 },
1385 { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
, 0 },
1386 { PIPE_FORMAT_BPTC_RGB_FLOAT
, 0 },
1389 { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
, 0 },
1390 { PIPE_FORMAT_BPTC_RGB_UFLOAT
, 0 },
1393 /* signed/unsigned integer formats.
1396 { GL_RGBA_INTEGER_EXT
,
1397 GL_BGRA_INTEGER_EXT
,
1399 { PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1402 { GL_RGB_INTEGER_EXT
,
1405 GL_BLUE_INTEGER_EXT
, 0 },
1406 { PIPE_FORMAT_R8G8B8_SINT
, PIPE_FORMAT_R8G8B8X8_SINT
,
1407 PIPE_FORMAT_R8G8B8A8_SINT
, 0 }
1410 { GL_ALPHA_INTEGER_EXT
,
1411 GL_ALPHA8I_EXT
, 0 },
1412 { PIPE_FORMAT_A8_SINT
, 0 }
1415 { GL_ALPHA16I_EXT
, 0 },
1416 { PIPE_FORMAT_A16_SINT
, 0 }
1419 { GL_ALPHA32I_EXT
, 0 },
1420 { PIPE_FORMAT_A32_SINT
, 0 }
1423 { GL_ALPHA8UI_EXT
, 0 },
1424 { PIPE_FORMAT_A8_UINT
, 0 }
1427 { GL_ALPHA16UI_EXT
, 0 },
1428 { PIPE_FORMAT_A16_UINT
, 0 }
1431 { GL_ALPHA32UI_EXT
, 0 },
1432 { PIPE_FORMAT_A32_UINT
, 0 }
1435 { GL_INTENSITY8I_EXT
, 0 },
1436 { PIPE_FORMAT_I8_SINT
, 0 }
1439 { GL_INTENSITY16I_EXT
, 0 },
1440 { PIPE_FORMAT_I16_SINT
, 0 }
1443 { GL_INTENSITY32I_EXT
, 0 },
1444 { PIPE_FORMAT_I32_SINT
, 0 }
1447 { GL_INTENSITY8UI_EXT
, 0 },
1448 { PIPE_FORMAT_I8_UINT
, 0 }
1451 { GL_INTENSITY16UI_EXT
, 0 },
1452 { PIPE_FORMAT_I16_UINT
, 0 }
1455 { GL_INTENSITY32UI_EXT
, 0 },
1456 { PIPE_FORMAT_I32_UINT
, 0 }
1459 { GL_LUMINANCE8I_EXT
, 0 },
1460 { PIPE_FORMAT_L8_SINT
, 0 }
1463 { GL_LUMINANCE16I_EXT
, 0 },
1464 { PIPE_FORMAT_L16_SINT
, 0 }
1467 { GL_LUMINANCE32I_EXT
, 0 },
1468 { PIPE_FORMAT_L32_SINT
, 0 }
1471 { GL_LUMINANCE_INTEGER_EXT
,
1472 GL_LUMINANCE8UI_EXT
, 0 },
1473 { PIPE_FORMAT_L8_UINT
, 0 }
1476 { GL_LUMINANCE16UI_EXT
, 0 },
1477 { PIPE_FORMAT_L16_UINT
, 0 }
1480 { GL_LUMINANCE32UI_EXT
, 0 },
1481 { PIPE_FORMAT_L32_UINT
, 0 }
1484 { GL_LUMINANCE_ALPHA_INTEGER_EXT
,
1485 GL_LUMINANCE_ALPHA8I_EXT
, 0 },
1486 { PIPE_FORMAT_L8A8_SINT
, 0 }
1489 { GL_LUMINANCE_ALPHA16I_EXT
, 0 },
1490 { PIPE_FORMAT_L16A16_SINT
, 0 }
1493 { GL_LUMINANCE_ALPHA32I_EXT
, 0 },
1494 { PIPE_FORMAT_L32A32_SINT
, 0 }
1497 { GL_LUMINANCE_ALPHA8UI_EXT
, 0 },
1498 { PIPE_FORMAT_L8A8_UINT
, 0 }
1501 { GL_LUMINANCE_ALPHA16UI_EXT
, 0 },
1502 { PIPE_FORMAT_L16A16_UINT
, 0 }
1505 { GL_LUMINANCE_ALPHA32UI_EXT
, 0 },
1506 { PIPE_FORMAT_L32A32_UINT
, 0 }
1509 { GL_RGB16I_EXT
, 0 },
1510 { PIPE_FORMAT_R16G16B16_SINT
, PIPE_FORMAT_R16G16B16X16_SINT
,
1511 PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1514 { GL_RGBA16I_EXT
, 0 },
1515 { PIPE_FORMAT_R16G16B16A16_SINT
, 0 },
1518 { GL_RGB32I_EXT
, 0 },
1519 { PIPE_FORMAT_R32G32B32_SINT
, PIPE_FORMAT_R32G32B32X32_SINT
,
1520 PIPE_FORMAT_R32G32B32A32_SINT
, 0 },
1523 { GL_RGBA32I_EXT
, 0 },
1524 { PIPE_FORMAT_R32G32B32A32_SINT
, 0 }
1527 { GL_RGBA8UI_EXT
, 0 },
1528 { PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1531 { GL_RGB8UI_EXT
, 0 },
1532 { PIPE_FORMAT_R8G8B8_UINT
, PIPE_FORMAT_R8G8B8X8_UINT
,
1533 PIPE_FORMAT_R8G8B8A8_UINT
, 0 }
1536 { GL_RGB16UI_EXT
, 0 },
1537 { PIPE_FORMAT_R16G16B16_UINT
, PIPE_FORMAT_R16G16B16X16_UINT
,
1538 PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1541 { GL_RGBA16UI_EXT
, 0 },
1542 { PIPE_FORMAT_R16G16B16A16_UINT
, 0 }
1545 { GL_RGB32UI_EXT
, 0},
1546 { PIPE_FORMAT_R32G32B32_UINT
, PIPE_FORMAT_R32G32B32X32_UINT
,
1547 PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1550 { GL_RGBA32UI_EXT
, 0},
1551 { PIPE_FORMAT_R32G32B32A32_UINT
, 0 }
1554 { GL_R8I
, GL_RED_INTEGER_EXT
, 0},
1555 { PIPE_FORMAT_R8_SINT
, 0},
1559 { PIPE_FORMAT_R16_SINT
, 0},
1563 { PIPE_FORMAT_R32_SINT
, 0},
1567 { PIPE_FORMAT_R8_UINT
, 0},
1571 { PIPE_FORMAT_R16_UINT
, 0},
1575 { PIPE_FORMAT_R32_UINT
, 0},
1578 { GL_RG8I
, GL_GREEN_INTEGER_EXT
, 0},
1579 { PIPE_FORMAT_R8G8_SINT
, 0},
1583 { PIPE_FORMAT_R16G16_SINT
, 0},
1587 { PIPE_FORMAT_R32G32_SINT
, 0},
1591 { PIPE_FORMAT_R8G8_UINT
, 0},
1595 { PIPE_FORMAT_R16G16_UINT
, 0},
1599 { PIPE_FORMAT_R32G32_UINT
, 0},
1601 /* signed normalized formats */
1603 { GL_RED_SNORM
, GL_R8_SNORM
, 0 },
1604 { PIPE_FORMAT_R8_SNORM
, PIPE_FORMAT_R8G8_SNORM
,
1605 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1608 { GL_R16_SNORM
, 0 },
1609 { PIPE_FORMAT_R16_SNORM
,
1610 PIPE_FORMAT_R16G16_SNORM
,
1611 PIPE_FORMAT_R16G16B16A16_SNORM
,
1612 PIPE_FORMAT_R8_SNORM
,
1613 PIPE_FORMAT_R8G8_SNORM
,
1614 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1617 { GL_RG_SNORM
, GL_RG8_SNORM
, 0 },
1618 { PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1621 { GL_RG16_SNORM
, 0 },
1622 { PIPE_FORMAT_R16G16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1623 PIPE_FORMAT_R8G8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1626 { GL_RGB_SNORM
, GL_RGB8_SNORM
, 0 },
1627 { PIPE_FORMAT_R8G8B8X8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1630 { GL_RGBA_SNORM
, GL_RGBA8_SNORM
, 0 },
1631 { PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1634 { GL_RGB16_SNORM
, 0 },
1635 { PIPE_FORMAT_R16G16B16X16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1636 PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1639 { GL_RGBA16_SNORM
, 0 },
1640 { PIPE_FORMAT_R16G16B16A16_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1643 { GL_ALPHA_SNORM
, GL_ALPHA8_SNORM
, 0 },
1644 { PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1647 { GL_ALPHA16_SNORM
, 0 },
1648 { PIPE_FORMAT_A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1649 PIPE_FORMAT_A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1652 { GL_LUMINANCE_SNORM
, GL_LUMINANCE8_SNORM
, 0 },
1653 { PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1656 { GL_LUMINANCE16_SNORM
, 0 },
1657 { PIPE_FORMAT_L16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1658 PIPE_FORMAT_L8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1661 { GL_LUMINANCE_ALPHA_SNORM
, GL_LUMINANCE8_ALPHA8_SNORM
, 0 },
1662 { PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1665 { GL_LUMINANCE16_ALPHA16_SNORM
, 0 },
1666 { PIPE_FORMAT_L16A16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1667 PIPE_FORMAT_L8A8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1670 { GL_INTENSITY_SNORM
, GL_INTENSITY8_SNORM
, 0 },
1671 { PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1674 { GL_INTENSITY16_SNORM
, 0 },
1675 { PIPE_FORMAT_I16_SNORM
, PIPE_FORMAT_R16G16B16A16_SNORM
,
1676 PIPE_FORMAT_I8_SNORM
, PIPE_FORMAT_R8G8B8A8_SNORM
, 0 }
1680 { PIPE_FORMAT_R9G9B9E5_FLOAT
, 0 }
1683 { GL_R11F_G11F_B10F
, 0 },
1684 { PIPE_FORMAT_R11G11B10_FLOAT
, 0 }
1687 { GL_RGB10_A2UI
, 0 },
1688 { PIPE_FORMAT_R10G10B10A2_UINT
, PIPE_FORMAT_B10G10R10A2_UINT
, 0 }
1694 * Return first supported format from the given list.
1695 * \param allow_dxt indicates whether it's OK to return a DXT format.
1697 static enum pipe_format
1698 find_supported_format(struct pipe_screen
*screen
,
1699 const enum pipe_format formats
[],
1700 enum pipe_texture_target target
,
1701 unsigned sample_count
,
1706 for (i
= 0; formats
[i
]; i
++) {
1707 if (screen
->is_format_supported(screen
, formats
[i
], target
,
1708 sample_count
, tex_usage
)) {
1709 if (!allow_dxt
&& util_format_is_s3tc(formats
[i
])) {
1710 /* we can't return a dxt format, continue searching */
1717 return PIPE_FORMAT_NONE
;
1720 struct exact_format_mapping
1724 enum pipe_format pformat
;
1727 static const struct exact_format_mapping rgba8888_tbl
[] =
1729 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_ABGR8888_UNORM
},
1730 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_ABGR8888_UNORM
},
1731 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_RGBA8888_UNORM
},
1732 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_RGBA8888_UNORM
},
1733 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_ARGB8888_UNORM
},
1734 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_BGRA8888_UNORM
},
1735 { GL_RGBA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_R8G8B8A8_UNORM
},
1736 { GL_ABGR_EXT
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_A8B8G8R8_UNORM
},
1737 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8A8_UNORM
},
1741 static const struct exact_format_mapping rgbx8888_tbl
[] =
1743 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_XBGR8888_UNORM
},
1744 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_XBGR8888_UNORM
},
1745 { GL_RGBA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_RGBX8888_UNORM
},
1746 { GL_ABGR_EXT
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_RGBX8888_UNORM
},
1747 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8
, PIPE_FORMAT_XRGB8888_UNORM
},
1748 { GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
, PIPE_FORMAT_BGRX8888_UNORM
},
1749 { GL_RGBA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_R8G8B8X8_UNORM
},
1750 { GL_ABGR_EXT
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_X8B8G8R8_UNORM
},
1751 { GL_BGRA
, GL_UNSIGNED_BYTE
, PIPE_FORMAT_B8G8R8X8_UNORM
},
1755 static const struct exact_format_mapping rgba1010102_tbl
[] =
1757 { GL_BGRA
, GL_UNSIGNED_INT_2_10_10_10_REV
, PIPE_FORMAT_B10G10R10A2_UNORM
},
1758 /* No Mesa formats for these Gallium formats:
1759 { GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
1760 { GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
1761 { GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
1767 * If there is an exact pipe_format match for {internalFormat, format, type}
1768 * return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
1770 static enum pipe_format
1771 find_exact_format(GLint internalFormat
, GLenum format
, GLenum type
)
1774 const struct exact_format_mapping
* tbl
;
1776 if (format
== GL_NONE
|| type
== GL_NONE
)
1777 return PIPE_FORMAT_NONE
;
1779 switch (internalFormat
) {
1791 tbl
= rgba1010102_tbl
;
1794 return PIPE_FORMAT_NONE
;
1797 for (i
= 0; tbl
[i
].format
; i
++)
1798 if (tbl
[i
].format
== format
&& tbl
[i
].type
== type
)
1799 return tbl
[i
].pformat
;
1801 return PIPE_FORMAT_NONE
;
1805 * Given an OpenGL internalFormat value for a texture or surface, return
1806 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
1807 * This is called during glTexImage2D, for example.
1809 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
1810 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
1811 * we want render-to-texture ability.
1813 * \param internalFormat the user value passed to glTexImage2D
1814 * \param target one of PIPE_TEXTURE_x
1815 * \param bindings bitmask of PIPE_BIND_x flags.
1816 * \param allow_dxt indicates whether it's OK to return a DXT format. This
1817 * only matters when internalFormat names a generic or
1818 * specific compressed format. And that should only happen
1819 * when we're getting called from gl[Copy]TexImage().
1822 st_choose_format(struct st_context
*st
, GLenum internalFormat
,
1823 GLenum format
, GLenum type
,
1824 enum pipe_texture_target target
, unsigned sample_count
,
1825 unsigned bindings
, boolean allow_dxt
)
1827 struct pipe_screen
*screen
= st
->pipe
->screen
;
1830 enum pipe_format pf
;
1834 static boolean firstCall
= TRUE
;
1836 test_format_conversion(st
);
1841 (void) test_format_conversion
;
1844 /* can't render to compressed formats at this time */
1845 if (_mesa_is_compressed_format(st
->ctx
, internalFormat
)
1846 && (bindings
& ~PIPE_BIND_SAMPLER_VIEW
)) {
1847 return PIPE_FORMAT_NONE
;
1850 /* search for exact matches */
1851 pf
= find_exact_format(internalFormat
, format
, type
);
1852 if (pf
!= PIPE_FORMAT_NONE
&&
1853 screen
->is_format_supported(screen
, pf
,
1854 target
, sample_count
, bindings
))
1857 /* search table for internalFormat */
1858 for (i
= 0; i
< ARRAY_SIZE(format_map
); i
++) {
1859 const struct format_mapping
*mapping
= &format_map
[i
];
1860 for (j
= 0; mapping
->glFormats
[j
]; j
++) {
1861 if (mapping
->glFormats
[j
] == internalFormat
) {
1862 /* Found the desired internal format. Find first pipe format
1863 * which is supported by the driver.
1865 return find_supported_format(screen
, mapping
->pipeFormats
,
1866 target
, sample_count
, bindings
,
1872 _mesa_problem(NULL
, "unhandled format!\n");
1873 return PIPE_FORMAT_NONE
;
1878 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
1881 st_choose_renderbuffer_format(struct st_context
*st
,
1882 GLenum internalFormat
, unsigned sample_count
)
1885 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1886 usage
= PIPE_BIND_DEPTH_STENCIL
;
1888 usage
= PIPE_BIND_RENDER_TARGET
;
1889 return st_choose_format(st
, internalFormat
, GL_NONE
, GL_NONE
,
1890 PIPE_TEXTURE_2D
, sample_count
, usage
, FALSE
);
1895 * Given an OpenGL user-requested format and type, and swapBytes state,
1896 * return the format which exactly matches those parameters, so that
1897 * a memcpy-based transfer can be done.
1899 * If no format is supported, return PIPE_FORMAT_NONE.
1902 st_choose_matching_format(struct st_context
*st
, unsigned bind
,
1903 GLenum format
, GLenum type
, GLboolean swapBytes
)
1905 struct pipe_screen
*screen
= st
->pipe
->screen
;
1906 mesa_format mesa_format
;
1908 for (mesa_format
= 1; mesa_format
< MESA_FORMAT_COUNT
; mesa_format
++) {
1909 if (_mesa_get_format_color_encoding(mesa_format
) == GL_SRGB
) {
1912 if (_mesa_get_format_bits(mesa_format
, GL_TEXTURE_INTENSITY_SIZE
) > 0) {
1913 /* If `format` is GL_RED/GL_RED_INTEGER, then we might match some
1914 * intensity formats, which we don't want.
1919 if (_mesa_format_matches_format_and_type(mesa_format
, format
, type
,
1921 enum pipe_format format
=
1922 st_mesa_format_to_pipe_format(st
, mesa_format
);
1925 screen
->is_format_supported(screen
, format
, PIPE_TEXTURE_2D
, 0,
1929 /* It's unlikely to find 2 matching Mesa formats. */
1933 return PIPE_FORMAT_NONE
;
1938 * Called via ctx->Driver.ChooseTextureFormat().
1941 st_ChooseTextureFormat(struct gl_context
*ctx
, GLenum target
,
1942 GLint internalFormat
,
1943 GLenum format
, GLenum type
)
1945 struct st_context
*st
= st_context(ctx
);
1946 enum pipe_format pFormat
;
1948 enum pipe_texture_target pTarget
= gl_target_to_pipe(target
);
1950 if (target
== GL_TEXTURE_1D
|| target
== GL_TEXTURE_1D_ARRAY
) {
1951 /* We don't do compression for these texture targets because of
1952 * difficulty with sub-texture updates on non-block boundaries, etc.
1953 * So change the internal format request to an uncompressed format.
1956 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat
);
1959 /* GL textures may wind up being render targets, but we don't know
1960 * that in advance. Specify potential render target flags now for formats
1961 * that we know should always be renderable.
1963 bindings
= PIPE_BIND_SAMPLER_VIEW
;
1964 if (_mesa_is_depth_or_stencil_format(internalFormat
))
1965 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1966 else if (internalFormat
== 3 || internalFormat
== 4 ||
1967 internalFormat
== GL_RGB
|| internalFormat
== GL_RGBA
||
1968 internalFormat
== GL_RGB8
|| internalFormat
== GL_RGBA8
||
1969 internalFormat
== GL_BGRA
)
1970 bindings
|= PIPE_BIND_RENDER_TARGET
;
1972 /* GLES allows the driver to choose any format which matches
1973 * the format+type combo, because GLES only supports unsized internal
1974 * formats and expects the driver to choose whatever suits it.
1976 if (_mesa_is_gles(ctx
)) {
1977 GLenum baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
1978 GLenum basePackFormat
= _mesa_base_pack_format(format
);
1979 GLenum iformat
= internalFormat
;
1981 /* Treat GL_BGRA as GL_RGBA. */
1982 if (iformat
== GL_BGRA
)
1985 /* Check if the internalformat is unsized and compatible
1986 * with the "format".
1988 if (iformat
== baseFormat
&& iformat
== basePackFormat
) {
1989 pFormat
= st_choose_matching_format(st
, bindings
, format
, type
,
1990 ctx
->Unpack
.SwapBytes
);
1992 if (pFormat
!= PIPE_FORMAT_NONE
)
1993 return st_pipe_format_to_mesa_format(pFormat
);
1995 /* try choosing format again, this time without render target bindings */
1996 pFormat
= st_choose_matching_format(st
, PIPE_BIND_SAMPLER_VIEW
,
1998 ctx
->Unpack
.SwapBytes
);
1999 if (pFormat
!= PIPE_FORMAT_NONE
)
2000 return st_pipe_format_to_mesa_format(pFormat
);
2004 pFormat
= st_choose_format(st
, internalFormat
, format
, type
,
2005 pTarget
, 0, bindings
, ctx
->Mesa_DXTn
);
2007 if (pFormat
== PIPE_FORMAT_NONE
) {
2008 /* try choosing format again, this time without render target bindings */
2009 pFormat
= st_choose_format(st
, internalFormat
, format
, type
,
2010 pTarget
, 0, PIPE_BIND_SAMPLER_VIEW
,
2014 if (pFormat
== PIPE_FORMAT_NONE
) {
2015 /* no luck at all */
2016 return MESA_FORMAT_NONE
;
2019 return st_pipe_format_to_mesa_format(pFormat
);
2024 * Called via ctx->Driver.ChooseTextureFormat().
2027 st_QuerySamplesForFormat(struct gl_context
*ctx
, GLenum target
,
2028 GLenum internalFormat
, int samples
[16])
2030 struct st_context
*st
= st_context(ctx
);
2031 enum pipe_format format
;
2032 unsigned i
, bind
, num_sample_counts
= 0;
2036 if (_mesa_is_depth_or_stencil_format(internalFormat
))
2037 bind
= PIPE_BIND_DEPTH_STENCIL
;
2039 bind
= PIPE_BIND_RENDER_TARGET
;
2041 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
2044 if (!ctx
->Extensions
.EXT_framebuffer_sRGB
) {
2045 internalFormat
= _mesa_get_linear_internalformat(internalFormat
);
2048 /* Set sample counts in descending order. */
2049 for (i
= 16; i
> 1; i
--) {
2050 format
= st_choose_format(st
, internalFormat
, GL_NONE
, GL_NONE
,
2051 PIPE_TEXTURE_2D
, i
, bind
, FALSE
);
2053 if (format
!= PIPE_FORMAT_NONE
) {
2054 samples
[num_sample_counts
++] = i
;
2058 if (!num_sample_counts
) {
2059 samples
[num_sample_counts
++] = 1;
2062 return num_sample_counts
;
2067 * This is used for translating texture border color and the clear
2068 * color. For example, the clear color is interpreted according to
2069 * the renderbuffer's base format. For example, if clearing a
2070 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
2071 * colorOut[2] = colorIn[0].
2072 * Similarly for texture border colors.
2075 st_translate_color(const union gl_color_union
*colorIn
,
2076 union pipe_color_union
*colorOut
,
2077 GLenum baseFormat
, GLboolean is_integer
)
2080 const int *in
= colorIn
->i
;
2081 int *out
= colorOut
->i
;
2083 switch (baseFormat
) {
2103 out
[0] = out
[1] = out
[2] = 0;
2107 out
[0] = out
[1] = out
[2] = in
[0];
2110 case GL_LUMINANCE_ALPHA
:
2111 out
[0] = out
[1] = out
[2] = in
[0];
2115 out
[0] = out
[1] = out
[2] = out
[3] = in
[0];
2122 const float *in
= colorIn
->f
;
2123 float *out
= colorOut
->f
;
2125 switch (baseFormat
) {
2145 out
[0] = out
[1] = out
[2] = 0.0F
;
2149 out
[0] = out
[1] = out
[2] = in
[0];
2152 case GL_LUMINANCE_ALPHA
:
2153 out
[0] = out
[1] = out
[2] = in
[0];
2157 out
[0] = out
[1] = out
[2] = out
[3] = in
[0];