3 * Texture images manipulation functions.
7 * Mesa 3-D graphics library
9 * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
42 /** Is the given value one of the 6 cube faces? */
43 static inline GLboolean
44 _mesa_is_cube_face(GLenum target
)
46 return (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X
&&
47 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
);
52 * Return number of faces for a texture target. This will be 6 for
53 * cube maps and 1 otherwise.
54 * NOTE: this function is not used for cube map arrays which operate
55 * more like 2D arrays than cube maps.
58 _mesa_num_tex_faces(GLenum target
)
61 case GL_TEXTURE_CUBE_MAP
:
62 case GL_PROXY_TEXTURE_CUBE_MAP
:
71 * If the target is GL_TEXTURE_CUBE_MAP, return one of the
72 * GL_TEXTURE_CUBE_MAP_POSITIVE/NEGATIVE_X/Y/Z targets corresponding to
74 * Else, return target as-is.
77 _mesa_cube_face_target(GLenum target
, unsigned face
)
79 if (target
== GL_TEXTURE_CUBE_MAP
) {
81 return GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ face
;
90 * For cube map faces, return a face index in [0,5].
91 * For other targets return 0;
94 _mesa_tex_target_to_face(GLenum target
)
96 if (_mesa_is_cube_face(target
))
97 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
103 /** Are any of the dimensions of given texture equal to zero? */
104 static inline GLboolean
105 _mesa_is_zero_size_texture(const struct gl_texture_image
*texImage
)
107 return (texImage
->Width
== 0 ||
108 texImage
->Height
== 0 ||
109 texImage
->Depth
== 0);
112 /** \name Internal functions */
116 _mesa_is_proxy_texture(GLenum target
);
119 _mesa_is_array_texture(GLenum target
);
123 _mesa_delete_texture_image( struct gl_context
*ctx
,
124 struct gl_texture_image
*teximage
);
128 _mesa_init_teximage_fields(struct gl_context
*ctx
,
129 struct gl_texture_image
*img
,
130 GLsizei width
, GLsizei height
, GLsizei depth
,
131 GLint border
, GLenum internalFormat
,
134 _mesa_init_teximage_fields_ms(struct gl_context
*ctx
,
135 struct gl_texture_image
*img
,
136 GLsizei width
, GLsizei height
, GLsizei depth
,
137 GLint border
, GLenum internalFormat
,
140 GLboolean fixedSampleLocations
);
144 _mesa_choose_texture_format(struct gl_context
*ctx
,
145 struct gl_texture_object
*texObj
,
146 GLenum target
, GLint level
,
147 GLenum internalFormat
, GLenum format
, GLenum type
);
150 _mesa_update_fbo_texture(struct gl_context
*ctx
,
151 struct gl_texture_object
*texObj
,
152 GLuint face
, GLuint level
);
155 _mesa_clear_texture_image(struct gl_context
*ctx
,
156 struct gl_texture_image
*texImage
);
159 extern struct gl_texture_image
*
160 _mesa_select_tex_image(const struct gl_texture_object
*texObj
,
161 GLenum target
, GLint level
);
164 extern struct gl_texture_image
*
165 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
166 GLenum target
, GLint level
);
169 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
);
172 * Return the base-level texture image for the given texture object.
174 static inline const struct gl_texture_image
*
175 _mesa_base_tex_image(const struct gl_texture_object
*texObj
)
177 return texObj
->Image
[0][texObj
->BaseLevel
];
182 _mesa_max_texture_levels(const struct gl_context
*ctx
, GLenum target
);
186 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
187 GLuint numLevels
, GLint level
,
188 mesa_format format
, GLuint numSamples
,
189 GLint width
, GLint height
, GLint depth
);
192 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
193 GLenum intFormat
, GLenum
*error
);
196 _mesa_get_texture_dimensions(GLenum target
);
199 _mesa_tex_target_is_layered(GLenum target
);
202 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
);
205 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
209 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
210 GLint level
, GLint width
, GLint height
,
211 GLint depth
, GLint border
);
214 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
215 GLenum internalFormat
);
219 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
221 GLenum internalFormat
);
224 _mesa_format_no_online_compression(GLenum format
);
227 _mesa_is_renderable_texture_format(const struct gl_context
*ctx
,
228 GLenum internalformat
);
231 _mesa_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
232 struct gl_texture_object
*texObj
,
233 struct gl_texture_image
*texImage
,
234 GLenum target
, GLint level
,
235 GLint xoffset
, GLint yoffset
, GLint zoffset
,
236 GLsizei width
, GLsizei height
, GLsizei depth
,
237 GLenum format
, GLenum type
, const GLvoid
*pixels
,
241 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
242 struct gl_texture_object
*texObj
,
243 struct gl_memory_object
*memObj
,
244 GLenum target
, GLsizei samples
,
245 GLenum internalFormat
, GLsizei width
,
246 GLsizei height
, GLsizei depth
,
247 GLboolean fixedSampleLocations
,
248 GLuint64 offset
, const char* func
);
251 _mesa_is_cube_map_texture(GLenum target
);
256 /** \name API entry point functions */
259 extern void GLAPIENTRY
260 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalformat
,
261 GLsizei width
, GLint border
,
262 GLenum format
, GLenum type
, const GLvoid
*pixels
);
265 extern void GLAPIENTRY
266 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalformat
,
267 GLsizei width
, GLsizei height
, GLint border
,
268 GLenum format
, GLenum type
, const GLvoid
*pixels
);
271 extern void GLAPIENTRY
272 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalformat
,
273 GLsizei width
, GLsizei height
, GLsizei depth
, GLint border
,
274 GLenum format
, GLenum type
, const GLvoid
*pixels
);
277 extern void GLAPIENTRY
278 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalformat
,
279 GLsizei width
, GLsizei height
, GLsizei depth
,
280 GLint border
, GLenum format
, GLenum type
,
281 const GLvoid
*pixels
);
283 extern void GLAPIENTRY
284 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalformat
,
285 GLsizei width
, GLint border
,
286 GLenum format
, GLenum type
, const GLvoid
*pixels
);
288 extern void GLAPIENTRY
289 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalformat
,
290 GLsizei width
, GLsizei height
, GLint border
,
291 GLenum format
, GLenum type
, const GLvoid
*pixels
);
293 extern void GLAPIENTRY
294 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalformat
,
295 GLsizei width
, GLsizei height
, GLsizei depth
,
296 GLint border
, GLenum format
, GLenum type
,
297 const GLvoid
*pixels
);
299 extern void GLAPIENTRY
300 _mesa_EGLImageTargetTexture2DOES( GLenum target
, GLeglImageOES image
);
303 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
305 GLenum format
, GLenum type
,
306 const GLvoid
*pixels
);
308 extern void GLAPIENTRY
309 _mesa_TexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
311 GLenum format
, GLenum type
,
312 const GLvoid
*pixels
);
315 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
316 GLint xoffset
, GLint yoffset
,
317 GLsizei width
, GLsizei height
,
318 GLenum format
, GLenum type
,
319 const GLvoid
*pixels
);
321 extern void GLAPIENTRY
322 _mesa_TexSubImage2D( GLenum target
, GLint level
,
323 GLint xoffset
, GLint yoffset
,
324 GLsizei width
, GLsizei height
,
325 GLenum format
, GLenum type
,
326 const GLvoid
*pixels
);
329 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
330 GLint xoffset
, GLint yoffset
, GLint zoffset
,
331 GLsizei width
, GLsizei height
, GLsizei depth
,
332 GLenum format
, GLenum type
,
333 const GLvoid
*pixels
);
335 extern void GLAPIENTRY
336 _mesa_TexSubImage3D( GLenum target
, GLint level
,
337 GLint xoffset
, GLint yoffset
, GLint zoffset
,
338 GLsizei width
, GLsizei height
, GLsizei depth
,
339 GLenum format
, GLenum type
,
340 const GLvoid
*pixels
);
343 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
344 GLsizei width
, GLenum format
, GLenum type
,
345 const GLvoid
*pixels
);
347 extern void GLAPIENTRY
348 _mesa_TextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
350 GLenum format
, GLenum type
,
351 const GLvoid
*pixels
);
354 _mesa_TextureSubImage2DEXT(GLuint texture
, GLenum target
, GLint level
,
355 GLint xoffset
, GLint yoffset
, GLsizei width
,
356 GLsizei height
, GLenum format
, GLenum type
,
357 const GLvoid
*pixels
);
360 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
361 GLint yoffset
, GLsizei width
, GLsizei height
,
362 GLenum format
, GLenum type
,
363 const GLvoid
*pixels
);
365 extern void GLAPIENTRY
366 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
367 GLint xoffset
, GLint yoffset
,
368 GLsizei width
, GLsizei height
,
369 GLenum format
, GLenum type
,
370 const GLvoid
*pixels
);
373 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
374 GLint yoffset
, GLint zoffset
, GLsizei width
,
375 GLsizei height
, GLsizei depth
, GLenum format
,
376 GLenum type
, const GLvoid
*pixels
);
378 extern void GLAPIENTRY
379 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
380 GLint xoffset
, GLint yoffset
, GLint zoffset
,
381 GLsizei width
, GLsizei height
, GLsizei depth
,
382 GLenum format
, GLenum type
,
383 const GLvoid
*pixels
);
386 extern void GLAPIENTRY
387 _mesa_CopyTexImage1D(GLenum target
, GLint level
, GLenum internalformat
,
388 GLint x
, GLint y
, GLsizei width
, GLint border
);
391 extern void GLAPIENTRY
392 _mesa_CopyTexImage2D( GLenum target
, GLint level
,
393 GLenum internalformat
, GLint x
, GLint y
,
394 GLsizei width
, GLsizei height
, GLint border
);
397 extern void GLAPIENTRY
398 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalformat
,
399 GLint x
, GLint y
, GLsizei width
, GLint border
);
402 extern void GLAPIENTRY
403 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalformat
,
404 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
408 extern void GLAPIENTRY
409 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
410 GLint x
, GLint y
, GLsizei width
);
413 extern void GLAPIENTRY
414 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
415 GLint xoffset
, GLint yoffset
,
416 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
419 extern void GLAPIENTRY
420 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
421 GLint xoffset
, GLint yoffset
, GLint zoffset
,
422 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
424 extern void GLAPIENTRY
425 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
426 GLint xoffset
, GLint x
, GLint y
, GLsizei width
);
428 extern void GLAPIENTRY
429 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
430 GLint xoffset
, GLint yoffset
,
432 GLsizei width
, GLsizei height
);
434 extern void GLAPIENTRY
435 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
436 GLint xoffset
, GLint yoffset
, GLint zoffset
,
438 GLsizei width
, GLsizei height
);
440 extern void GLAPIENTRY
441 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
442 GLint x
, GLint y
, GLsizei width
);
444 extern void GLAPIENTRY
445 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
446 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
449 extern void GLAPIENTRY
450 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
451 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
452 GLsizei width
, GLsizei height
);
454 extern void GLAPIENTRY
455 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
456 GLint x
, GLint y
, GLsizei width
);
458 extern void GLAPIENTRY
459 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
460 GLint yoffset
, GLint x
, GLint y
,
461 GLsizei width
, GLsizei height
);
463 extern void GLAPIENTRY
464 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
465 GLint yoffset
, GLint zoffset
, GLint x
,
466 GLint y
, GLsizei width
, GLsizei height
);
468 extern void GLAPIENTRY
469 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
470 GLint xoffset
, GLint yoffset
, GLint zoffset
,
471 GLsizei width
, GLsizei height
, GLsizei depth
,
472 GLenum format
, GLenum type
, const void *data
);
474 extern void GLAPIENTRY
475 _mesa_ClearTexImage( GLuint texture
, GLint level
,
476 GLenum format
, GLenum type
, const void *data
);
478 extern void GLAPIENTRY
479 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
480 GLenum internalformat
, GLsizei width
,
481 GLint border
, GLsizei imageSize
,
484 extern void GLAPIENTRY
485 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
486 GLenum internalformat
, GLsizei width
,
487 GLsizei height
, GLint border
, GLsizei imageSize
,
490 extern void GLAPIENTRY
491 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
492 GLenum internalformat
, GLsizei width
,
493 GLsizei height
, GLsizei depth
, GLint border
,
494 GLsizei imageSize
, const GLvoid
*data
);
496 extern void GLAPIENTRY
497 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
498 GLenum internalformat
, GLsizei width
,
499 GLint border
, GLsizei imageSize
,
502 extern void GLAPIENTRY
503 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
504 GLenum internalformat
, GLsizei width
,
505 GLsizei height
, GLint border
,
506 GLsizei imageSize
, const GLvoid
*data
);
508 extern void GLAPIENTRY
509 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
510 GLenum internalformat
, GLsizei width
,
511 GLsizei height
, GLsizei depth
, GLint border
,
512 GLsizei imageSize
, const GLvoid
*data
);
515 extern void GLAPIENTRY
516 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
517 GLint xoffset
, GLsizei width
,
518 GLenum format
, GLsizei imageSize
,
520 extern void GLAPIENTRY
521 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
522 GLsizei width
, GLenum format
,
523 GLsizei imageSize
, const GLvoid
*data
);
525 extern void GLAPIENTRY
526 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
527 GLint xoffset
, GLsizei width
,
528 GLenum format
, GLsizei imageSize
,
530 extern void GLAPIENTRY
531 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
532 GLsizei width
, GLenum format
,
533 GLsizei imageSize
, const GLvoid
*data
);
536 _mesa_CompressedTextureSubImage2DEXT(GLuint texture
, GLenum target
,
537 GLint level
, GLint xoffset
,
538 GLint yoffset
, GLsizei width
,
539 GLsizei height
, GLenum format
,
540 GLsizei imageSize
, const GLvoid
*data
);
542 extern void GLAPIENTRY
543 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
544 GLint xoffset
, GLint yoffset
,
545 GLsizei width
, GLsizei height
,
546 GLenum format
, GLsizei imageSize
,
548 extern void GLAPIENTRY
549 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
550 GLint yoffset
, GLsizei width
, GLsizei height
,
551 GLenum format
, GLsizei imageSize
,
554 extern void GLAPIENTRY
555 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
556 GLint xoffset
, GLint yoffset
,
557 GLsizei width
, GLsizei height
,
558 GLenum format
, GLsizei imageSize
,
560 extern void GLAPIENTRY
561 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
563 GLsizei width
, GLsizei height
,
564 GLenum format
, GLsizei imageSize
,
567 extern void GLAPIENTRY
568 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
569 GLint xoffset
, GLint yoffset
,
570 GLint zoffset
, GLsizei width
,
571 GLsizei height
, GLsizei depth
,
572 GLenum format
, GLsizei imageSize
,
574 extern void GLAPIENTRY
575 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
576 GLint yoffset
, GLint zoffset
, GLsizei width
,
577 GLsizei height
, GLsizei depth
, GLenum format
,
578 GLsizei imageSize
, const GLvoid
*data
);
580 extern void GLAPIENTRY
581 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
582 GLint xoffset
, GLint yoffset
,
583 GLint zoffset
, GLsizei width
,
584 GLsizei height
, GLsizei depth
,
585 GLenum format
, GLsizei imageSize
,
587 extern void GLAPIENTRY
588 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
589 GLint yoffset
, GLint zoffset
,
590 GLsizei width
, GLsizei height
,
592 GLenum format
, GLsizei imageSize
,
595 extern void GLAPIENTRY
596 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
);
598 extern void GLAPIENTRY
599 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
600 GLintptr offset
, GLsizeiptr size
);
602 extern void GLAPIENTRY
603 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
);
605 extern void GLAPIENTRY
606 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
607 GLintptr offset
, GLsizeiptr size
);
610 extern void GLAPIENTRY
611 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
612 GLenum internalformat
, GLsizei width
,
613 GLsizei height
, GLboolean fixedsamplelocations
);
615 extern void GLAPIENTRY
616 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
617 GLenum internalformat
, GLsizei width
,
618 GLsizei height
, GLsizei depth
,
619 GLboolean fixedsamplelocations
);
621 extern void GLAPIENTRY
622 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
623 GLenum internalformat
, GLsizei width
,
624 GLsizei height
, GLboolean fixedsamplelocations
);
626 extern void GLAPIENTRY
627 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
628 GLenum internalformat
, GLsizei width
,
629 GLsizei height
, GLsizei depth
,
630 GLboolean fixedsamplelocations
);
633 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
634 GLenum internalformat
, GLsizei width
,
636 GLboolean fixedsamplelocations
);
639 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
640 GLenum internalformat
, GLsizei width
,
641 GLsizei height
, GLsizei depth
,
642 GLboolean fixedsamplelocations
);