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
);
79 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
80 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
84 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
85 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
88 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM
);
91 RETURN_IF_SUPPORTED(MESA_FORMAT_A4R4G4B4_UNORM
); /* just to test another format*/
92 RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM
);
95 RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM
);
98 /* deep RGBA formats */
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_BGR_UNORM8
);
120 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
121 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
124 RETURN_IF_SUPPORTED(MESA_FORMAT_B2G3R3_UNORM
);
125 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
126 RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM
);
127 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8
);
128 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
129 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
132 RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM
); /* just to test another format */
133 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
136 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
139 /* deep RGB formats */
143 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UNORM16
);
144 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16
);
145 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
146 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
153 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
158 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM16
);
159 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
162 /* Luminance formats */
167 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
172 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM16
);
173 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
176 /* Luminance/Alpha formats */
177 case GL_LUMINANCE4_ALPHA4
:
178 RETURN_IF_SUPPORTED(MESA_FORMAT_L4A4_UNORM
);
179 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
183 case GL_LUMINANCE_ALPHA
:
184 case GL_LUMINANCE6_ALPHA2
:
185 case GL_LUMINANCE8_ALPHA8
:
186 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
189 case GL_LUMINANCE12_ALPHA4
:
190 case GL_LUMINANCE12_ALPHA12
:
191 case GL_LUMINANCE16_ALPHA16
:
192 RETURN_IF_SUPPORTED(MESA_FORMAT_L16A16_UNORM
);
193 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
199 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
204 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM16
);
205 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
208 case GL_DEPTH_COMPONENT
:
209 case GL_DEPTH_COMPONENT24
:
210 case GL_DEPTH_COMPONENT32
:
211 RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM32
);
212 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT
);
213 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT
);
215 case GL_DEPTH_COMPONENT16
:
216 RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM16
);
217 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT
);
218 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT
);
221 case GL_COMPRESSED_ALPHA_ARB
:
222 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8
);
224 case GL_COMPRESSED_LUMINANCE_ARB
:
225 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8
);
227 case GL_COMPRESSED_LUMINANCE_ALPHA_ARB
:
228 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM
);
230 case GL_COMPRESSED_INTENSITY_ARB
:
231 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8
);
233 case GL_COMPRESSED_RGB_ARB
:
234 /* We don't use texture compression for 1D and 1D array textures.
235 * For 1D textures, compressions doesn't buy us much.
236 * For 1D ARRAY textures, there's complicated issues with updating
237 * sub-regions on non-block boundaries with glCopyTexSubImage, among
238 * other issues. FWIW, the GL_EXT_texture_array extension prohibits
239 * 1D ARRAY textures in S3TC format.
241 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
) {
243 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1
);
244 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1
);
246 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8
);
247 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM
);
248 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
250 case GL_COMPRESSED_RGBA_ARB
:
251 /* We don't use texture compression for 1D and 1D array textures. */
252 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
) {
254 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3
); /* Not rgba_dxt1, see spec */
255 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1
);
257 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM
);
258 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
262 RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM
);
266 if (type
== GL_UNSIGNED_SHORT_8_8_MESA
)
267 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR
);
269 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV
);
272 /* For non-generic compressed format we assert two things:
274 * 1. The format has already been validated against the set of available
277 * 2. The driver only enables the extension if it supports all of the
278 * formats that are part of that extension.
280 case GL_COMPRESSED_RGB_FXT1_3DFX
:
281 return MESA_FORMAT_RGB_FXT1
;
282 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
283 return MESA_FORMAT_RGBA_FXT1
;
284 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
287 return MESA_FORMAT_RGB_DXT1
;
288 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
289 return MESA_FORMAT_RGBA_DXT1
;
290 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
293 return MESA_FORMAT_RGBA_DXT3
;
294 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
295 return MESA_FORMAT_RGBA_DXT5
;
296 case GL_COMPRESSED_RED_RGTC1
:
297 return MESA_FORMAT_RED_RGTC1
;
298 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
299 return MESA_FORMAT_SIGNED_RED_RGTC1
;
300 case GL_COMPRESSED_RG_RGTC2
:
301 return MESA_FORMAT_RG_RGTC2
;
302 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
303 return MESA_FORMAT_SIGNED_RG_RGTC2
;
304 case GL_COMPRESSED_LUMINANCE_LATC1_EXT
:
305 return MESA_FORMAT_L_LATC1
;
306 case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
:
307 return MESA_FORMAT_SIGNED_L_LATC1
;
308 case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
:
309 return MESA_FORMAT_LA_LATC2
;
310 case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
:
311 return MESA_FORMAT_SIGNED_LA_LATC2
;
312 case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
:
313 return MESA_FORMAT_LA_LATC2
;
314 case GL_ETC1_RGB8_OES
:
315 return MESA_FORMAT_ETC1_RGB8
;
316 case GL_COMPRESSED_RGB8_ETC2
:
317 return MESA_FORMAT_ETC2_RGB8
;
318 case GL_COMPRESSED_SRGB8_ETC2
:
319 return MESA_FORMAT_ETC2_SRGB8
;
320 case GL_COMPRESSED_RGBA8_ETC2_EAC
:
321 return MESA_FORMAT_ETC2_RGBA8_EAC
;
322 case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
:
323 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
;
324 case GL_COMPRESSED_R11_EAC
:
325 return MESA_FORMAT_ETC2_R11_EAC
;
326 case GL_COMPRESSED_RG11_EAC
:
327 return MESA_FORMAT_ETC2_RG11_EAC
;
328 case GL_COMPRESSED_SIGNED_R11_EAC
:
329 return MESA_FORMAT_ETC2_SIGNED_R11_EAC
;
330 case GL_COMPRESSED_SIGNED_RG11_EAC
:
331 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC
;
332 case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
333 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
334 case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
335 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
;
336 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
337 return MESA_FORMAT_SRGB_DXT1
;
338 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
339 return MESA_FORMAT_SRGBA_DXT1
;
340 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
341 return MESA_FORMAT_SRGBA_DXT3
;
342 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
343 return MESA_FORMAT_SRGBA_DXT5
;
345 case GL_ALPHA16F_ARB
:
346 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16
);
347 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32
);
348 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
349 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
351 case GL_ALPHA32F_ARB
:
352 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT32
);
353 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
354 RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16
);
355 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
357 case GL_LUMINANCE16F_ARB
:
358 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16
);
359 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32
);
360 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
361 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
363 case GL_LUMINANCE32F_ARB
:
364 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT32
);
365 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
366 RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16
);
367 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
369 case GL_LUMINANCE_ALPHA16F_ARB
:
370 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16
);
371 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32
);
372 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
373 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
375 case GL_LUMINANCE_ALPHA32F_ARB
:
376 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT32
);
377 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
378 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16
);
379 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
381 case GL_INTENSITY16F_ARB
:
382 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16
);
383 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32
);
384 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
385 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
387 case GL_INTENSITY32F_ARB
:
388 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT32
);
389 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
390 RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16
);
391 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
394 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
395 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT16
);
396 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
397 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
398 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
401 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
402 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_FLOAT32
);
403 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
404 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
405 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
408 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
409 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
412 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
413 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
417 /* GL_EXT_texture_shared_exponent -- just one format to support */
418 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_R9G9B9E5_FLOAT
]);
419 return MESA_FORMAT_R9G9B9E5_FLOAT
;
421 case GL_R11F_G11F_B10F
:
422 /* GL_EXT_texture_packed_float -- just one format to support */
423 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_R11G11B10_FLOAT
]);
424 return MESA_FORMAT_R11G11B10_FLOAT
;
426 case GL_DEPTH_STENCIL_EXT
:
427 case GL_DEPTH24_STENCIL8_EXT
:
428 RETURN_IF_SUPPORTED(MESA_FORMAT_S8_UINT_Z24_UNORM
);
429 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT
);
432 case GL_DEPTH_COMPONENT32F
:
433 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z_FLOAT32
]);
434 return MESA_FORMAT_Z_FLOAT32
;
435 case GL_DEPTH32F_STENCIL8
:
436 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z32_FLOAT_S8X24_UINT
]);
437 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT
;
441 RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8
);
446 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8
);
450 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88_REV
);
454 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888
);
458 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
459 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
462 case GL_ALPHA8_SNORM
:
463 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8
);
464 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
465 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
467 case GL_LUMINANCE_SNORM
:
468 case GL_LUMINANCE8_SNORM
:
469 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8
);
470 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888
);
471 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
472 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
474 case GL_LUMINANCE_ALPHA_SNORM
:
475 case GL_LUMINANCE8_ALPHA8_SNORM
:
476 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88
);
477 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
478 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
480 case GL_INTENSITY_SNORM
:
481 case GL_INTENSITY8_SNORM
:
482 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8
);
483 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
484 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
487 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16
);
490 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_GR1616
);
493 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16
);
494 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SNORM16
);
496 case GL_RGBA16_SNORM
:
497 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
498 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
499 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
501 case GL_ALPHA16_SNORM
:
502 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16
);
503 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
504 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
505 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
507 case GL_LUMINANCE16_SNORM
:
508 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16
);
510 case GL_LUMINANCE16_ALPHA16_SNORM
:
511 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616
);
512 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
513 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
514 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
516 case GL_INTENSITY16_SNORM
:
517 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16
);
518 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
519 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
520 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
525 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8
);
526 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
528 case GL_SRGB_ALPHA_EXT
:
529 case GL_SRGB8_ALPHA8_EXT
:
530 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB
);
531 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
533 case GL_SLUMINANCE_EXT
:
534 case GL_SLUMINANCE8_EXT
:
535 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8
);
536 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
538 case GL_SLUMINANCE_ALPHA_EXT
:
539 case GL_SLUMINANCE8_ALPHA8_EXT
:
540 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB
);
541 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
543 case GL_COMPRESSED_SLUMINANCE_EXT
:
544 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8
);
545 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
547 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
548 RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_SRGB
);
549 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
551 case GL_COMPRESSED_SRGB_EXT
:
553 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1
);
554 RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8
);
555 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
557 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
559 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3
); /* Not srgba_dxt1, see spec */
560 RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB
);
561 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB
);
564 case GL_ALPHA8UI_EXT
:
565 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT8
);
566 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
568 case GL_ALPHA16UI_EXT
:
569 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT16
);
570 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
572 case GL_ALPHA32UI_EXT
:
573 RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT32
);
574 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
577 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT8
);
578 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
580 case GL_ALPHA16I_EXT
:
581 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT16
);
582 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
584 case GL_ALPHA32I_EXT
:
585 RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT32
);
586 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
588 case GL_LUMINANCE8UI_EXT
:
589 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT8
);
590 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
592 case GL_LUMINANCE16UI_EXT
:
593 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT16
);
594 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
596 case GL_LUMINANCE32UI_EXT
:
597 RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT32
);
598 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
600 case GL_LUMINANCE8I_EXT
:
601 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT8
);
602 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
604 case GL_LUMINANCE16I_EXT
:
605 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT16
);
606 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
608 case GL_LUMINANCE32I_EXT
:
609 RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT32
);
610 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
612 case GL_LUMINANCE_ALPHA8UI_EXT
:
613 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT8
);
614 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
616 case GL_LUMINANCE_ALPHA16UI_EXT
:
617 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT16
);
618 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
620 case GL_LUMINANCE_ALPHA32UI_EXT
:
621 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT32
);
622 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
624 case GL_LUMINANCE_ALPHA8I_EXT
:
625 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT8
);
626 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
628 case GL_LUMINANCE_ALPHA16I_EXT
:
629 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT16
);
630 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
632 case GL_LUMINANCE_ALPHA32I_EXT
:
633 RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT32
);
634 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
636 case GL_INTENSITY8UI_EXT
:
637 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT8
);
638 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
640 case GL_INTENSITY16UI_EXT
:
641 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT16
);
642 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
644 case GL_INTENSITY32UI_EXT
:
645 RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT32
);
646 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
648 case GL_INTENSITY8I_EXT
:
649 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT8
);
650 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
652 case GL_INTENSITY16I_EXT
:
653 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT16
);
654 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
656 case GL_INTENSITY32I_EXT
:
657 RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT32
);
658 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
662 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8
);
663 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT8
);
664 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
667 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16
);
668 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT16
);
669 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
672 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32
);
673 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UINT32
);
674 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
677 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT8
);
678 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT8
);
679 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
682 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT16
);
683 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT16
);
684 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
687 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT32
);
688 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT32
);
689 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
692 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
694 case GL_RGBA16UI_EXT
:
695 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
697 case GL_RGBA32UI_EXT
:
698 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
701 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
704 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
707 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
712 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8
);
715 case GL_COMPRESSED_RED
:
716 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
717 RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1
);
718 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8
);
722 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM16
);
727 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM
);
730 case GL_COMPRESSED_RG
:
731 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
732 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2
);
733 RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8_UNORM
);
737 RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_UNORM
);
741 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
742 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
743 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
744 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
745 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
746 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
749 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
750 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
751 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
752 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
753 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
754 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
757 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
758 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
759 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
760 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
763 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
764 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
765 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
766 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
770 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8
);
773 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8
);
776 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16
);
779 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16
);
782 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32
);
785 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32
);
788 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT8
);
791 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT8
);
794 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT16
);
797 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT16
);
800 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT32
);
803 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT32
);
807 RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UINT
);
808 RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UINT
);
812 RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM
);
816 _mesa_problem(ctx
, "unexpected format %s in _mesa_choose_tex_format()",
817 _mesa_lookup_enum_by_nr(internalFormat
));
818 return MESA_FORMAT_NONE
;
822 _mesa_tex_target_is_array(GLenum target
)
825 case GL_TEXTURE_1D_ARRAY_EXT
:
826 case GL_TEXTURE_2D_ARRAY_EXT
:
827 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
828 case GL_TEXTURE_CUBE_MAP_ARRAY
: