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 gl_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_ARGB4444
);
74 } else if (type
== GL_UNSIGNED_SHORT_1_5_5_5_REV
) {
75 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555
);
76 } else if (type
== GL_UNSIGNED_INT_2_10_10_10_REV
) {
77 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010
);
79 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888
);
80 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
84 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888
);
85 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
88 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555
);
91 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV
); /* just to test another format*/
92 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444
);
95 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444
);
98 /* deep RGBA formats */
100 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010
);
101 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
105 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16
);
106 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16
);
107 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888
);
108 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
111 /* shallow RGB formats */
114 if (type
== GL_UNSIGNED_INT_2_10_10_10_REV
) {
115 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010
);
119 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888
);
120 RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888
);
121 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
124 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332
);
125 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565
);
126 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV
);
127 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888
);
128 RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888
);
129 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
132 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV
); /* just to test another format */
133 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565
);
136 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565
);
139 /* deep RGB formats */
143 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_UNORM
);
144 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16
);
145 RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888
);
146 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
153 RETURN_IF_SUPPORTED(MESA_FORMAT_A8
);
158 RETURN_IF_SUPPORTED(MESA_FORMAT_A16
);
159 RETURN_IF_SUPPORTED(MESA_FORMAT_A8
);
162 /* Luminance formats */
167 RETURN_IF_SUPPORTED(MESA_FORMAT_L8
);
172 RETURN_IF_SUPPORTED(MESA_FORMAT_L16
);
173 RETURN_IF_SUPPORTED(MESA_FORMAT_L8
);
176 /* Luminance/Alpha formats */
177 case GL_LUMINANCE4_ALPHA4
:
178 RETURN_IF_SUPPORTED(MESA_FORMAT_AL44
);
179 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88
);
183 case GL_LUMINANCE_ALPHA
:
184 case GL_LUMINANCE6_ALPHA2
:
185 case GL_LUMINANCE8_ALPHA8
:
186 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88
);
189 case GL_LUMINANCE12_ALPHA4
:
190 case GL_LUMINANCE12_ALPHA12
:
191 case GL_LUMINANCE16_ALPHA16
:
192 RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616
);
193 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88
);
199 RETURN_IF_SUPPORTED(MESA_FORMAT_I8
);
204 RETURN_IF_SUPPORTED(MESA_FORMAT_I16
);
205 RETURN_IF_SUPPORTED(MESA_FORMAT_I8
);
208 case GL_DEPTH_COMPONENT
:
209 case GL_DEPTH_COMPONENT24
:
210 case GL_DEPTH_COMPONENT32
:
211 RETURN_IF_SUPPORTED(MESA_FORMAT_Z32
);
212 RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24
);
213 RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24
);
215 case GL_DEPTH_COMPONENT16
:
216 RETURN_IF_SUPPORTED(MESA_FORMAT_Z16
);
217 RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24
);
218 RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24
);
221 case GL_COMPRESSED_ALPHA_ARB
:
222 RETURN_IF_SUPPORTED(MESA_FORMAT_A8
);
224 case GL_COMPRESSED_LUMINANCE_ARB
:
225 RETURN_IF_SUPPORTED(MESA_FORMAT_L8
);
227 case GL_COMPRESSED_LUMINANCE_ALPHA_ARB
:
228 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88
);
230 case GL_COMPRESSED_INTENSITY_ARB
:
231 RETURN_IF_SUPPORTED(MESA_FORMAT_I8
);
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
) {
242 if (ctx
->Extensions
.EXT_texture_compression_s3tc
||
243 ctx
->Extensions
.ANGLE_texture_compression_dxt
)
244 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1
);
245 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
)
246 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1
);
248 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888
);
249 RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888
);
250 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
252 case GL_COMPRESSED_RGBA_ARB
:
253 /* We don't use texture compression for 1D and 1D array textures. */
254 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
) {
255 if (ctx
->Extensions
.EXT_texture_compression_s3tc
||
256 ctx
->Extensions
.ANGLE_texture_compression_dxt
)
257 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3
); /* Not rgba_dxt1, see spec */
258 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
)
259 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1
);
261 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888
);
262 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
266 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565
);
270 if (type
== GL_UNSIGNED_SHORT_8_8_MESA
)
271 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR
);
273 RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV
);
276 /* For non-generic compressed format we assert two things:
278 * 1. The format has already been validated against the set of available
281 * 2. The driver only enables the extension if it supports all of the
282 * formats that are part of that extension.
284 case GL_COMPRESSED_RGB_FXT1_3DFX
:
285 return MESA_FORMAT_RGB_FXT1
;
286 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
287 return MESA_FORMAT_RGBA_FXT1
;
288 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
291 return MESA_FORMAT_RGB_DXT1
;
292 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
293 return MESA_FORMAT_RGBA_DXT1
;
294 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
297 return MESA_FORMAT_RGBA_DXT3
;
298 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
299 return MESA_FORMAT_RGBA_DXT5
;
300 case GL_COMPRESSED_RED_RGTC1
:
301 return MESA_FORMAT_RED_RGTC1
;
302 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
303 return MESA_FORMAT_SIGNED_RED_RGTC1
;
304 case GL_COMPRESSED_RG_RGTC2
:
305 return MESA_FORMAT_RG_RGTC2
;
306 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
307 return MESA_FORMAT_SIGNED_RG_RGTC2
;
308 case GL_COMPRESSED_LUMINANCE_LATC1_EXT
:
309 return MESA_FORMAT_L_LATC1
;
310 case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
:
311 return MESA_FORMAT_SIGNED_L_LATC1
;
312 case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
:
313 return MESA_FORMAT_LA_LATC2
;
314 case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
:
315 return MESA_FORMAT_SIGNED_LA_LATC2
;
316 case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
:
317 return MESA_FORMAT_LA_LATC2
;
318 case GL_ETC1_RGB8_OES
:
319 return MESA_FORMAT_ETC1_RGB8
;
320 case GL_COMPRESSED_RGB8_ETC2
:
321 return MESA_FORMAT_ETC2_RGB8
;
322 case GL_COMPRESSED_SRGB8_ETC2
:
323 return MESA_FORMAT_ETC2_SRGB8
;
324 case GL_COMPRESSED_RGBA8_ETC2_EAC
:
325 return MESA_FORMAT_ETC2_RGBA8_EAC
;
326 case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
:
327 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
;
328 case GL_COMPRESSED_R11_EAC
:
329 return MESA_FORMAT_ETC2_R11_EAC
;
330 case GL_COMPRESSED_RG11_EAC
:
331 return MESA_FORMAT_ETC2_RG11_EAC
;
332 case GL_COMPRESSED_SIGNED_R11_EAC
:
333 return MESA_FORMAT_ETC2_SIGNED_R11_EAC
;
334 case GL_COMPRESSED_SIGNED_RG11_EAC
:
335 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC
;
336 case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
337 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
;
338 case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
339 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
;
340 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
341 return MESA_FORMAT_SRGB_DXT1
;
342 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
343 return MESA_FORMAT_SRGBA_DXT1
;
344 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
345 return MESA_FORMAT_SRGBA_DXT3
;
346 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
347 return MESA_FORMAT_SRGBA_DXT5
;
349 case GL_ALPHA16F_ARB
:
350 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16
);
351 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32
);
352 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
353 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
355 case GL_ALPHA32F_ARB
:
356 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32
);
357 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
358 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16
);
359 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
361 case GL_LUMINANCE16F_ARB
:
362 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16
);
363 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32
);
364 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
365 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
367 case GL_LUMINANCE32F_ARB
:
368 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32
);
369 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
370 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16
);
371 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
373 case GL_LUMINANCE_ALPHA16F_ARB
:
374 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
);
375 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
);
376 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
377 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
379 case GL_LUMINANCE_ALPHA32F_ARB
:
380 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
);
381 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
382 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
);
383 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
385 case GL_INTENSITY16F_ARB
:
386 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16
);
387 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32
);
388 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
389 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
391 case GL_INTENSITY32F_ARB
:
392 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32
);
393 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
394 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16
);
395 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
398 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
399 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_FLOAT
);
400 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
401 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
402 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
405 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32
);
406 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_FLOAT
);
407 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
408 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16
);
409 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
412 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
413 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
416 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
417 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
421 /* GL_EXT_texture_shared_exponent -- just one format to support */
422 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_RGB9_E5_FLOAT
]);
423 return MESA_FORMAT_RGB9_E5_FLOAT
;
425 case GL_R11F_G11F_B10F
:
426 /* GL_EXT_texture_packed_float -- just one format to support */
427 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_R11_G11_B10_FLOAT
]);
428 return MESA_FORMAT_R11_G11_B10_FLOAT
;
430 case GL_DEPTH_STENCIL_EXT
:
431 case GL_DEPTH24_STENCIL8_EXT
:
432 RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8
);
433 RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24
);
436 case GL_DEPTH_COMPONENT32F
:
437 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z32_FLOAT
]);
438 return MESA_FORMAT_Z32_FLOAT
;
439 case GL_DEPTH32F_STENCIL8
:
440 ASSERT(ctx
->TextureFormatSupported
[MESA_FORMAT_Z32_FLOAT_X24S8
]);
441 return MESA_FORMAT_Z32_FLOAT_X24S8
;
445 RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8
);
450 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8
);
454 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88_REV
);
458 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888
);
462 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
463 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
466 case GL_ALPHA8_SNORM
:
467 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8
);
468 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
469 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
471 case GL_LUMINANCE_SNORM
:
472 case GL_LUMINANCE8_SNORM
:
473 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8
);
474 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888
);
475 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
476 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
478 case GL_LUMINANCE_ALPHA_SNORM
:
479 case GL_LUMINANCE8_ALPHA8_SNORM
:
480 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88
);
481 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
482 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
484 case GL_INTENSITY_SNORM
:
485 case GL_INTENSITY8_SNORM
:
486 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8
);
487 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
488 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
491 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16
);
494 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_GR1616
);
497 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16
);
498 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_SNORM
);
500 case GL_RGBA16_SNORM
:
501 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
502 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
503 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
505 case GL_ALPHA16_SNORM
:
506 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16
);
507 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
508 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
509 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
511 case GL_LUMINANCE16_SNORM
:
512 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16
);
514 case GL_LUMINANCE16_ALPHA16_SNORM
:
515 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616
);
516 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
517 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
518 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
520 case GL_INTENSITY16_SNORM
:
521 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16
);
522 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16
);
523 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888
);
524 RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV
);
529 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8
);
530 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
532 case GL_SRGB_ALPHA_EXT
:
533 case GL_SRGB8_ALPHA8_EXT
:
534 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8
);
535 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
537 case GL_SLUMINANCE_EXT
:
538 case GL_SLUMINANCE8_EXT
:
539 RETURN_IF_SUPPORTED(MESA_FORMAT_SL8
);
540 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
542 case GL_SLUMINANCE_ALPHA_EXT
:
543 case GL_SLUMINANCE8_ALPHA8_EXT
:
544 RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8
);
545 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
547 case GL_COMPRESSED_SLUMINANCE_EXT
:
548 RETURN_IF_SUPPORTED(MESA_FORMAT_SL8
);
549 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
551 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
552 RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8
);
553 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
555 case GL_COMPRESSED_SRGB_EXT
:
556 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1
);
557 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8
);
558 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
560 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
561 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3
); /* Not srgba_dxt1, see spec */
562 RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8
);
563 RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8
);
566 case GL_ALPHA8UI_EXT
:
567 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT8
);
568 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
570 case GL_ALPHA16UI_EXT
:
571 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT16
);
572 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
574 case GL_ALPHA32UI_EXT
:
575 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT32
);
576 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
579 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT8
);
580 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
582 case GL_ALPHA16I_EXT
:
583 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT16
);
584 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
586 case GL_ALPHA32I_EXT
:
587 RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT32
);
588 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
590 case GL_LUMINANCE8UI_EXT
:
591 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT8
);
592 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
594 case GL_LUMINANCE16UI_EXT
:
595 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT16
);
596 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
598 case GL_LUMINANCE32UI_EXT
:
599 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT32
);
600 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
602 case GL_LUMINANCE8I_EXT
:
603 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT8
);
604 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
606 case GL_LUMINANCE16I_EXT
:
607 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT16
);
608 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
610 case GL_LUMINANCE32I_EXT
:
611 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT32
);
612 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
614 case GL_LUMINANCE_ALPHA8UI_EXT
:
615 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT8
);
616 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
618 case GL_LUMINANCE_ALPHA16UI_EXT
:
619 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT16
);
620 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
622 case GL_LUMINANCE_ALPHA32UI_EXT
:
623 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT32
);
624 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
626 case GL_LUMINANCE_ALPHA8I_EXT
:
627 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT8
);
628 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
630 case GL_LUMINANCE_ALPHA16I_EXT
:
631 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT16
);
632 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
634 case GL_LUMINANCE_ALPHA32I_EXT
:
635 RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT32
);
636 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
638 case GL_INTENSITY8UI_EXT
:
639 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT8
);
640 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
642 case GL_INTENSITY16UI_EXT
:
643 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT16
);
644 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
646 case GL_INTENSITY32UI_EXT
:
647 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT32
);
648 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
650 case GL_INTENSITY8I_EXT
:
651 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT8
);
652 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
654 case GL_INTENSITY16I_EXT
:
655 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT16
);
656 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
658 case GL_INTENSITY32I_EXT
:
659 RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT32
);
660 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
664 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8
);
665 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR8888_UINT
);
666 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
669 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16
);
670 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_UINT
);
671 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
674 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32
);
675 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_UINT
);
676 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
679 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT8
);
680 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR8888_SINT
);
681 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
684 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT16
);
685 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR16161616_SINT
);
686 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
689 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT32
);
690 RETURN_IF_SUPPORTED(MESA_FORMAT_XBGR32323232_SINT
);
691 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
694 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8
);
696 case GL_RGBA16UI_EXT
:
697 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16
);
699 case GL_RGBA32UI_EXT
:
700 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32
);
703 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8
);
706 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16
);
709 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32
);
714 RETURN_IF_SUPPORTED(MESA_FORMAT_R8
);
717 case GL_COMPRESSED_RED
:
718 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
719 RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1
);
720 RETURN_IF_SUPPORTED(MESA_FORMAT_R8
);
724 RETURN_IF_SUPPORTED(MESA_FORMAT_R16
);
729 RETURN_IF_SUPPORTED(MESA_FORMAT_GR88
);
732 case GL_COMPRESSED_RG
:
733 if (target
!= GL_TEXTURE_1D
&& target
!= GL_TEXTURE_1D_ARRAY
)
734 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2
);
735 RETURN_IF_SUPPORTED(MESA_FORMAT_GR88
);
739 RETURN_IF_SUPPORTED(MESA_FORMAT_GR1616
);
743 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
744 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
745 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
746 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
747 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
748 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
751 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32
);
752 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
753 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
754 RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16
);
755 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
756 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
759 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
760 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
761 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
762 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
765 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32
);
766 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32
);
767 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16
);
768 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16
);
772 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8
);
775 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8
);
778 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16
);
781 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16
);
784 RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32
);
787 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32
);
790 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT8
);
793 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT8
);
796 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT16
);
799 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT16
);
802 RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT32
);
805 RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT32
);
809 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010_UINT
);
810 RETURN_IF_SUPPORTED(MESA_FORMAT_ABGR2101010_UINT
);
814 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888
);
818 _mesa_problem(ctx
, "unexpected format %s in _mesa_choose_tex_format()",
819 _mesa_lookup_enum_by_nr(internalFormat
));
820 return MESA_FORMAT_NONE
;
824 _mesa_tex_target_is_array(GLenum target
)
827 case GL_TEXTURE_1D_ARRAY_EXT
:
828 case GL_TEXTURE_2D_ARRAY_EXT
:
829 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
830 case GL_TEXTURE_CUBE_MAP_ARRAY
: