2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (c) 2008-2009 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 "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
31 * \author Gareth Hughes
39 #include "texcompress.h"
40 #include "texformat.h"
42 #define RETURN_IF_SUPPORTED(f) do { \
43 if (ctx->TextureFormatSupported[f]) \
48 * Choose an appropriate texture format given the format, type and
49 * internalFormat parameters passed to glTexImage().
51 * \param ctx the GL context.
52 * \param target a texture target (GL_TEXTURE_x)
53 * \param internalFormat user's prefered internal texture format.
54 * \param format incoming image pixel format.
55 * \param type incoming image data type.
57 * \return the closest mesa_format for the given format/type arguments
59 * This is called via dd_function_table::ChooseTextureFormat. Hardware
60 * drivers may override this function with a specialized version.
63 _mesa_choose_tex_format(struct gl_context
*ctx
, GLenum target
,
64 GLint internalFormat
, GLenum format
, GLenum type
)
68 switch (internalFormat
) {
69 /* shallow RGBA formats */
72 if (type
== GL_UNSIGNED_SHORT_4_4_4_4_REV
) {
73 RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM
);
74 } else if (type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
) {
75 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM
);
76 } else if (type
== GL_UNSIGNED_INT_2_10_10_10_REV
) {
77 RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM
);
82 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM
);
83 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
84 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
87 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM
);
90 RETURN_IF_SUPPORTED(MESA_FORMAT_A4R4G4B4_UNORM
); /* just to test another format*/
91 RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM
);
94 RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM
);
97 /* deep RGBA formats */
99 RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UNORM
);
100 RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM
);
101 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
105 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16
);
106 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16
);
107 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
108 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
111 /* shallow RGB formats */
114 if (type
== GL_UNSIGNED_INT_2_10_10_10_REV
) {
115 RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM
);
119 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UNORM8
);
120 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_UNORM
);
121 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM
);
123 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8
);
124 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
125 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
128 RETURN_IF_SUPPORTED(MESA_FORMAT_B2G3R3_UNORM
);
129 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
130 RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM
);
131 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8
);
132 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
133 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
136 RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM
); /* just to test another format */
137 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
140 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
143 /* deep RGB formats */
147 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UNORM16
);
148 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16
);
149 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
150 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
157 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
158 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
163 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM16
);
164 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
165 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
168 /* Luminance formats */
173 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
178 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM16
);
179 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
182 /* Luminance/Alpha formats */
183 case GL_LUMINANCE4_ALPHA4
:
184 RETURN_IF_SUPPORTED(MESA_FORMAT_L4A4_UNORM
);
185 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
189 case GL_LUMINANCE_ALPHA
:
190 case GL_LUMINANCE6_ALPHA2
:
191 case GL_LUMINANCE8_ALPHA8
:
192 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
195 case GL_LUMINANCE12_ALPHA4
:
196 case GL_LUMINANCE12_ALPHA12
:
197 case GL_LUMINANCE16_ALPHA16
:
198 RETURN_IF_SUPPORTED(MESA_FORMAT_L16A16_UNORM
);
199 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
205 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
210 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM16
);
211 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
214 case GL_DEPTH_COMPONENT
:
215 case GL_DEPTH_COMPONENT24
:
216 case GL_DEPTH_COMPONENT32
:
217 RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM32
);
218 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT
);
219 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT
);
221 case GL_DEPTH_COMPONENT16
:
222 RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM16
);
223 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT
);
224 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT
);
227 case GL_COMPRESSED_ALPHA_ARB
:
228 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
229 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
231 case GL_COMPRESSED_LUMINANCE_ARB
:
232 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
234 case GL_COMPRESSED_LUMINANCE_ALPHA_ARB
:
235 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
237 case GL_COMPRESSED_INTENSITY_ARB
:
238 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
240 case GL_COMPRESSED_RGB_ARB
:
241 /* We don't use texture compression for 1D and 1D array textures.
242 * For 1D textures, compressions doesn't buy us much.
243 * For 1D ARRAY textures, there's complicated issues with updating
244 * sub-regions on non-block boundaries with glCopyTexSubImage, among
245 * other issues. FWIW, the GL_EXT_texture_array extension prohibits
246 * 1D ARRAY textures in S3TC format.
248 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
) {
250 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1
);
251 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1
);
253 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8
);
254 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
255 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
257 case GL_COMPRESSED_RGBA_ARB
:
258 /* We don't use texture compression for 1D and 1D array textures. */
259 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
) {
261 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3
); /* Not rgba_dxt1, see spec */
262 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1
);
264 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
265 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
269 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
273 if (type
== GL_UNSIGNED_SHORT_8_8_MESA
)
274 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR
);
276 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV
);
279 /* For non-generic compressed format we assert two things:
281 * 1. The format has already been validated against the set of available
284 * 2. The driver only enables the extension if it supports all of the
285 * formats that are part of that extension.
287 case GL_COMPRESSED_RGB_FXT1_3DFX
:
288 return MESA_FORMAT_RGB_FXT1
;
289 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
290 return MESA_FORMAT_RGBA_FXT1
;
291 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
294 return MESA_FORMAT_RGB_DXT1
;
295 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
296 return MESA_FORMAT_RGBA_DXT1
;
297 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
300 return MESA_FORMAT_RGBA_DXT3
;
301 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
302 return MESA_FORMAT_RGBA_DXT5
;
303 case GL_COMPRESSED_RED_RGTC1
:
304 return MESA_FORMAT_R_RGTC1_UNORM
;
305 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
306 return MESA_FORMAT_R_RGTC1_SNORM
;
307 case GL_COMPRESSED_RG_RGTC2
:
308 return MESA_FORMAT_RG_RGTC2_UNORM
;
309 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
310 return MESA_FORMAT_RG_RGTC2_SNORM
;
311 case GL_COMPRESSED_LUMINANCE_LATC1_EXT
:
312 return MESA_FORMAT_L_LATC1_UNORM
;
313 case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
:
314 return MESA_FORMAT_L_LATC1_SNORM
;
315 case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
:
316 return MESA_FORMAT_LA_LATC2_UNORM
;
317 case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
:
318 return MESA_FORMAT_LA_LATC2_SNORM
;
319 case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
:
320 return MESA_FORMAT_LA_LATC2_UNORM
;
321 case GL_ETC1_RGB8_OES
:
322 return MESA_FORMAT_ETC1_RGB8
;
323 case GL_COMPRESSED_RGB8_ETC2
:
324 return MESA_FORMAT_ETC2_RGB8
;
325 case GL_COMPRESSED_SRGB8_ETC2
:
326 return MESA_FORMAT_ETC2_SRGB8
;
327 case GL_COMPRESSED_RGBA8_ETC2_EAC
:
328 return MESA_FORMAT_ETC2_RGBA8_EAC
;
329 case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
:
330 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
;
331 case GL_COMPRESSED_R11_EAC
:
332 return MESA_FORMAT_ETC2_R11_EAC
;
333 case GL_COMPRESSED_RG11_EAC
:
334 return MESA_FORMAT_ETC2_RG11_EAC
;
335 case GL_COMPRESSED_SIGNED_R11_EAC
:
336 return MESA_FORMAT_ETC2_SIGNED_R11_EAC
;
337 case GL_COMPRESSED_SIGNED_RG11_EAC
:
338 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC
;
339 case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
340 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
341 case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
342 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
;
343 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
344 return MESA_FORMAT_SRGB_DXT1
;
345 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
346 return MESA_FORMAT_SRGBA_DXT1
;
347 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
348 return MESA_FORMAT_SRGBA_DXT3
;
349 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
350 return MESA_FORMAT_SRGBA_DXT5
;
351 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
352 return MESA_FORMAT_BPTC_RGBA_UNORM
;
353 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
354 return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM
;
355 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
356 return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT
;
357 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
358 return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT
;
360 case GL_ALPHA16F_ARB
:
361 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16
);
362 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32
);
363 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
364 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
366 case GL_ALPHA32F_ARB
:
367 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32
);
368 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
369 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16
);
370 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
372 case GL_LUMINANCE16F_ARB
:
373 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16
);
374 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32
);
375 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
376 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
378 case GL_LUMINANCE32F_ARB
:
379 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32
);
380 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
381 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16
);
382 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
384 case GL_LUMINANCE_ALPHA16F_ARB
:
385 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16
);
386 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32
);
387 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
388 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
390 case GL_LUMINANCE_ALPHA32F_ARB
:
391 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32
);
392 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
393 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16
);
394 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
396 case GL_INTENSITY16F_ARB
:
397 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16
);
398 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32
);
399 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
400 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
402 case GL_INTENSITY32F_ARB
:
403 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32
);
404 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
405 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16
);
406 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
409 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
410 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT16
);
411 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
412 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
413 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
416 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
417 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT32
);
418 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
419 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
420 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
423 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
424 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
427 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
428 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
432 /* GL_EXT_texture_shared_exponent -- just one format to support */
433 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_R9G9B9E5_FLOAT
]);
434 return MESA_FORMAT_R9G9B9E5_FLOAT
;
436 case GL_R11F_G11F_B10F
:
437 /* GL_EXT_texture_packed_float -- just one format to support */
438 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_R11G11B10_FLOAT
]);
439 return MESA_FORMAT_R11G11B10_FLOAT
;
441 case GL_DEPTH_STENCIL_EXT
:
442 case GL_DEPTH24_STENCIL8_EXT
:
443 RETURN_IF_SUPPORTED(MESA_FORMAT_S8_UINT_Z24_UNORM
);
444 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT
);
447 case GL_DEPTH_COMPONENT32F
:
448 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z_FLOAT32
]);
449 return MESA_FORMAT_Z_FLOAT32
;
450 case GL_DEPTH32F_STENCIL8
:
451 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z32_FLOAT_S8X24_UINT
]);
452 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT
;
456 RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM8
);
460 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_SNORM
);
464 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SNORM
);
465 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
466 RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM
);
467 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
471 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
472 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
473 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
476 case GL_ALPHA8_SNORM
:
477 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM8
);
478 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
479 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
481 case GL_LUMINANCE_SNORM
:
482 case GL_LUMINANCE8_SNORM
:
483 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM8
);
484 RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM
);
485 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
486 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
488 case GL_LUMINANCE_ALPHA_SNORM
:
489 case GL_LUMINANCE8_ALPHA8_SNORM
:
490 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SNORM
);
491 RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SNORM
);
492 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
493 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
495 case GL_INTENSITY_SNORM
:
496 case GL_INTENSITY8_SNORM
:
497 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM8
);
498 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
499 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
502 RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM16
);
505 RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_SNORM
);
508 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SNORM16
);
509 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SNORM16
);
511 case GL_RGBA16_SNORM
:
512 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16
);
513 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
514 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
516 case GL_ALPHA16_SNORM
:
517 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM16
);
518 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16
);
519 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
520 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
522 case GL_LUMINANCE16_SNORM
:
523 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM16
);
525 case GL_LUMINANCE16_ALPHA16_SNORM
:
526 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SNORM16
);
527 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16
);
528 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
529 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
531 case GL_INTENSITY16_SNORM
:
532 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM16
);
533 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16
);
534 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM
);
535 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM
);
540 /* there is no MESA_FORMAT_RGB_SRGB8 */
541 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SRGB
);
542 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB
);
544 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8
);
545 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
547 RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SRGB
);
548 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
550 case GL_SRGB_ALPHA_EXT
:
551 case GL_SRGB8_ALPHA8_EXT
:
552 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB
);
554 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB
);
555 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
556 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
558 case GL_SLUMINANCE_EXT
:
559 case GL_SLUMINANCE8_EXT
:
560 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8
);
561 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
562 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
564 case GL_SLUMINANCE_ALPHA_EXT
:
565 case GL_SLUMINANCE8_ALPHA8_EXT
:
566 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB
);
567 RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB
);
568 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
569 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
571 case GL_COMPRESSED_SLUMINANCE_EXT
:
572 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8
);
573 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
574 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
576 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
577 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB
);
578 RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB
);
579 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
580 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
582 case GL_COMPRESSED_SRGB_EXT
:
584 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1
);
585 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8
);
586 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
587 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
589 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
591 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3
); /* Not srgba_dxt1, see spec */
592 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB
);
593 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
594 RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB
);
597 case GL_ALPHA8UI_EXT
:
598 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT8
);
599 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
601 case GL_ALPHA16UI_EXT
:
602 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT16
);
603 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
605 case GL_ALPHA32UI_EXT
:
606 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT32
);
607 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
610 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT8
);
611 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
613 case GL_ALPHA16I_EXT
:
614 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT16
);
615 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
617 case GL_ALPHA32I_EXT
:
618 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT32
);
619 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
621 case GL_LUMINANCE8UI_EXT
:
622 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT8
);
623 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
625 case GL_LUMINANCE16UI_EXT
:
626 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT16
);
627 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
629 case GL_LUMINANCE32UI_EXT
:
630 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT32
);
631 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
633 case GL_LUMINANCE8I_EXT
:
634 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT8
);
635 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
637 case GL_LUMINANCE16I_EXT
:
638 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT16
);
639 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
641 case GL_LUMINANCE32I_EXT
:
642 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT32
);
643 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
645 case GL_LUMINANCE_ALPHA8UI_EXT
:
646 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT8
);
647 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
649 case GL_LUMINANCE_ALPHA16UI_EXT
:
650 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT16
);
651 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
653 case GL_LUMINANCE_ALPHA32UI_EXT
:
654 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT32
);
655 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
657 case GL_LUMINANCE_ALPHA8I_EXT
:
658 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT8
);
659 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
661 case GL_LUMINANCE_ALPHA16I_EXT
:
662 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT16
);
663 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
665 case GL_LUMINANCE_ALPHA32I_EXT
:
666 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT32
);
667 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
669 case GL_INTENSITY8UI_EXT
:
670 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT8
);
671 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
673 case GL_INTENSITY16UI_EXT
:
674 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT16
);
675 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
677 case GL_INTENSITY32UI_EXT
:
678 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT32
);
679 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
681 case GL_INTENSITY8I_EXT
:
682 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT8
);
683 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
685 case GL_INTENSITY16I_EXT
:
686 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT16
);
687 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
689 case GL_INTENSITY32I_EXT
:
690 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT32
);
691 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
695 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8
);
696 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT8
);
697 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
700 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16
);
701 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT16
);
702 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
705 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32
);
706 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT32
);
707 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
710 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT8
);
711 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT8
);
712 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
715 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT16
);
716 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT16
);
717 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
720 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT32
);
721 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT32
);
722 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
725 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
727 case GL_RGBA16UI_EXT
:
728 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
730 case GL_RGBA32UI_EXT
:
731 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
734 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8
);
737 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16
);
740 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32
);
745 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8
);
748 case GL_COMPRESSED_RED
:
749 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
750 RETURN_IF_SUPPORTED(MESA_FORMAT_R_RGTC1_UNORM
);
751 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8
);
755 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM16
);
760 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM
);
763 case GL_COMPRESSED_RG
:
764 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
765 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2_UNORM
);
766 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM
);
770 RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_UNORM
);
774 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
775 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
776 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
777 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
778 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
779 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
782 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
783 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
784 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
785 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
786 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
787 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
790 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
791 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
792 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
793 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
796 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
797 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
798 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
799 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
803 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8
);
806 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8
);
809 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16
);
812 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16
);
815 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32
);
818 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32
);
821 RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT8
);
824 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT8
);
827 RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT16
);
830 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT16
);
833 RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT32
);
836 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT32
);
840 RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UINT
);
841 RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UINT
);
845 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
849 _mesa_problem(ctx
, "unexpected format %s in _mesa_choose_tex_format()",
850 _mesa_lookup_enum_by_nr(internalFormat
));
851 return MESA_FORMAT_NONE
;
855 _mesa_tex_target_is_array(GLenum target
)
858 case GL_TEXTURE_1D_ARRAY_EXT
:
859 case GL_TEXTURE_2D_ARRAY_EXT
:
860 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
861 case GL_TEXTURE_CUBE_MAP_ARRAY
: