2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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.
29 * Texture image-related functions.
34 #include "bufferobj.h"
38 #include "framebuffer.h"
44 #include "multisample.h"
45 #include "pixelstore.h"
47 #include "texcompress.h"
48 #include "texcompress_cpal.h"
52 #include "texstorage.h"
53 #include "textureview.h"
55 #include "glformats.h"
61 * State changes which we care about for glCopyTex[Sub]Image() calls.
62 * In particular, we care about pixel transfer state and buffer state
63 * (such as glReadBuffer to make sure we read from the right renderbuffer).
65 #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
68 * Returns a corresponding internal floating point format for a given base
69 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal
70 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it
71 * needs to be a 16 bit component.
73 * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB.
76 adjust_for_oes_float_texture(const struct gl_context
*ctx
,
77 GLenum format
, GLenum type
)
81 if (ctx
->Extensions
.OES_texture_float
) {
88 return GL_ALPHA32F_ARB
;
90 return GL_LUMINANCE32F_ARB
;
91 case GL_LUMINANCE_ALPHA
:
92 return GL_LUMINANCE_ALPHA32F_ARB
;
99 case GL_HALF_FLOAT_OES
:
100 if (ctx
->Extensions
.OES_texture_half_float
) {
107 return GL_ALPHA16F_ARB
;
109 return GL_LUMINANCE16F_ARB
;
110 case GL_LUMINANCE_ALPHA
:
111 return GL_LUMINANCE_ALPHA16F_ARB
;
126 * Returns a corresponding base format for a given internal floating point
127 * format as specifed by OES_texture_float.
130 oes_float_internal_format(const struct gl_context
*ctx
,
131 GLenum format
, GLenum type
)
135 if (ctx
->Extensions
.OES_texture_float
) {
141 case GL_ALPHA32F_ARB
:
143 case GL_LUMINANCE32F_ARB
:
145 case GL_LUMINANCE_ALPHA32F_ARB
:
146 return GL_LUMINANCE_ALPHA
;
153 case GL_HALF_FLOAT_OES
:
154 if (ctx
->Extensions
.OES_texture_half_float
) {
160 case GL_ALPHA16F_ARB
:
162 case GL_LUMINANCE16F_ARB
:
164 case GL_LUMINANCE_ALPHA16F_ARB
:
165 return GL_LUMINANCE_ALPHA
;
177 * Install gl_texture_image in a gl_texture_object according to the target
178 * and level parameters.
180 * \param tObj texture object.
181 * \param target texture target.
182 * \param level image level.
183 * \param texImage texture image.
186 set_tex_image(struct gl_texture_object
*tObj
,
187 GLenum target
, GLint level
,
188 struct gl_texture_image
*texImage
)
190 const GLuint face
= _mesa_tex_target_to_face(target
);
194 if (target
== GL_TEXTURE_RECTANGLE_NV
|| target
== GL_TEXTURE_EXTERNAL_OES
)
197 tObj
->Image
[face
][level
] = texImage
;
199 /* Set the 'back' pointer */
200 texImage
->TexObject
= tObj
;
201 texImage
->Level
= level
;
202 texImage
->Face
= face
;
207 * Free a gl_texture_image and associated data.
208 * This function is a fallback called via ctx->Driver.DeleteTextureImage().
210 * \param texImage texture image.
212 * Free the texture image structure and the associated image data.
215 _mesa_delete_texture_image(struct gl_context
*ctx
,
216 struct gl_texture_image
*texImage
)
218 /* Free texImage->Data and/or any other driver-specific texture
221 assert(ctx
->Driver
.FreeTextureImageBuffer
);
222 ctx
->Driver
.FreeTextureImageBuffer( ctx
, texImage
);
228 * Test if a target is a proxy target.
230 * \param target texture target.
232 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
235 _mesa_is_proxy_texture(GLenum target
)
238 static const GLenum targets
[] = {
242 GL_PROXY_TEXTURE_CUBE_MAP
,
243 GL_PROXY_TEXTURE_RECTANGLE
,
244 GL_PROXY_TEXTURE_1D_ARRAY
,
245 GL_PROXY_TEXTURE_2D_ARRAY
,
246 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
,
247 GL_PROXY_TEXTURE_2D_MULTISAMPLE
,
248 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
251 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
252 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
254 STATIC_ASSERT(NUM_TEXTURE_TARGETS
== ARRAY_SIZE(targets
) + 2);
256 for (i
= 0; i
< ARRAY_SIZE(targets
); ++i
)
257 if (target
== targets
[i
])
264 * Test if a target is an array target.
266 * \param target texture target.
268 * \return true if the target is an array target, false otherwise.
271 _mesa_is_array_texture(GLenum target
)
274 case GL_TEXTURE_1D_ARRAY
:
275 case GL_TEXTURE_2D_ARRAY
:
276 case GL_TEXTURE_CUBE_MAP_ARRAY
:
277 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
285 * Test if a target is a cube map.
287 * \param target texture target.
289 * \return true if the target is a cube map, false otherwise.
292 _mesa_is_cube_map_texture(GLenum target
)
295 case GL_TEXTURE_CUBE_MAP
:
296 case GL_TEXTURE_CUBE_MAP_ARRAY
:
304 * Return the proxy target which corresponds to the given texture target
307 proxy_target(GLenum target
)
311 case GL_PROXY_TEXTURE_1D
:
312 return GL_PROXY_TEXTURE_1D
;
314 case GL_PROXY_TEXTURE_2D
:
315 return GL_PROXY_TEXTURE_2D
;
317 case GL_PROXY_TEXTURE_3D
:
318 return GL_PROXY_TEXTURE_3D
;
319 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
320 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
321 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
322 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
323 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
324 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
325 case GL_TEXTURE_CUBE_MAP
:
326 case GL_PROXY_TEXTURE_CUBE_MAP
:
327 return GL_PROXY_TEXTURE_CUBE_MAP
;
328 case GL_TEXTURE_RECTANGLE_NV
:
329 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
330 return GL_PROXY_TEXTURE_RECTANGLE_NV
;
331 case GL_TEXTURE_1D_ARRAY_EXT
:
332 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
333 return GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
334 case GL_TEXTURE_2D_ARRAY_EXT
:
335 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
336 return GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
337 case GL_TEXTURE_CUBE_MAP_ARRAY
:
338 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
339 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
;
340 case GL_TEXTURE_2D_MULTISAMPLE
:
341 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
342 return GL_PROXY_TEXTURE_2D_MULTISAMPLE
;
343 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
344 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
345 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
;
347 _mesa_problem(NULL
, "unexpected target in proxy_target()");
356 * Get a texture image pointer from a texture object, given a texture
357 * target and mipmap level. The target and level parameters should
358 * have already been error-checked.
360 * \param texObj texture unit.
361 * \param target texture target.
362 * \param level image level.
364 * \return pointer to the texture image structure, or NULL on failure.
366 struct gl_texture_image
*
367 _mesa_select_tex_image(const struct gl_texture_object
*texObj
,
368 GLenum target
, GLint level
)
370 const GLuint face
= _mesa_tex_target_to_face(target
);
374 assert(level
< MAX_TEXTURE_LEVELS
);
376 return texObj
->Image
[face
][level
];
381 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
382 * it and install it. Only return NULL if passed a bad parameter or run
385 struct gl_texture_image
*
386 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
387 GLenum target
, GLint level
)
389 struct gl_texture_image
*texImage
;
394 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
396 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
398 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
402 set_tex_image(texObj
, target
, level
, texImage
);
410 * Return pointer to the specified proxy texture image.
411 * Note that proxy textures are per-context, not per-texture unit.
412 * \return pointer to texture image or NULL if invalid target, invalid
413 * level, or out of memory.
415 static struct gl_texture_image
*
416 get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
)
418 struct gl_texture_image
*texImage
;
425 case GL_PROXY_TEXTURE_1D
:
426 texIndex
= TEXTURE_1D_INDEX
;
428 case GL_PROXY_TEXTURE_2D
:
429 texIndex
= TEXTURE_2D_INDEX
;
431 case GL_PROXY_TEXTURE_3D
:
432 texIndex
= TEXTURE_3D_INDEX
;
434 case GL_PROXY_TEXTURE_CUBE_MAP
:
435 texIndex
= TEXTURE_CUBE_INDEX
;
437 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
440 texIndex
= TEXTURE_RECT_INDEX
;
442 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
443 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
445 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
446 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
448 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
449 texIndex
= TEXTURE_CUBE_ARRAY_INDEX
;
451 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
452 texIndex
= TEXTURE_2D_MULTISAMPLE_INDEX
;
454 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
455 texIndex
= TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
;
461 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
463 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
465 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
468 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
469 /* Set the 'back' pointer */
470 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
477 * Get the maximum number of allowed mipmap levels.
479 * \param ctx GL context.
480 * \param target texture target.
482 * \return the maximum number of allowed mipmap levels for the given
483 * texture target, or zero if passed a bad target.
488 _mesa_max_texture_levels(const struct gl_context
*ctx
, GLenum target
)
492 case GL_PROXY_TEXTURE_1D
:
494 case GL_PROXY_TEXTURE_2D
:
495 return ctx
->Const
.MaxTextureLevels
;
497 case GL_PROXY_TEXTURE_3D
:
498 return ctx
->Const
.Max3DTextureLevels
;
499 case GL_TEXTURE_CUBE_MAP
:
500 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
501 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
502 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
503 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
504 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
505 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
506 case GL_PROXY_TEXTURE_CUBE_MAP
:
507 return ctx
->Extensions
.ARB_texture_cube_map
508 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
509 case GL_TEXTURE_RECTANGLE_NV
:
510 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
511 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
512 case GL_TEXTURE_1D_ARRAY_EXT
:
513 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
514 case GL_TEXTURE_2D_ARRAY_EXT
:
515 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
516 return ctx
->Extensions
.EXT_texture_array
517 ? ctx
->Const
.MaxTextureLevels
: 0;
518 case GL_TEXTURE_CUBE_MAP_ARRAY
:
519 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
520 return _mesa_has_texture_cube_map_array(ctx
)
521 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
522 case GL_TEXTURE_BUFFER
:
523 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
524 _mesa_has_OES_texture_buffer(ctx
)) ? 1 : 0;
525 case GL_TEXTURE_2D_MULTISAMPLE
:
526 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
527 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
528 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
529 return (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
))
530 && ctx
->Extensions
.ARB_texture_multisample
532 case GL_TEXTURE_EXTERNAL_OES
:
535 return 0; /* bad target */
541 * Return number of dimensions per mipmap level for the given texture target.
544 _mesa_get_texture_dimensions(GLenum target
)
548 case GL_PROXY_TEXTURE_1D
:
551 case GL_TEXTURE_RECTANGLE
:
552 case GL_TEXTURE_CUBE_MAP
:
553 case GL_PROXY_TEXTURE_2D
:
554 case GL_PROXY_TEXTURE_RECTANGLE
:
555 case GL_PROXY_TEXTURE_CUBE_MAP
:
556 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
557 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
558 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
559 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
560 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
561 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
562 case GL_TEXTURE_1D_ARRAY
:
563 case GL_PROXY_TEXTURE_1D_ARRAY
:
564 case GL_TEXTURE_EXTERNAL_OES
:
565 case GL_TEXTURE_2D_MULTISAMPLE
:
566 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
569 case GL_PROXY_TEXTURE_3D
:
570 case GL_TEXTURE_2D_ARRAY
:
571 case GL_PROXY_TEXTURE_2D_ARRAY
:
572 case GL_TEXTURE_CUBE_MAP_ARRAY
:
573 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
574 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
575 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
577 case GL_TEXTURE_BUFFER
:
580 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
588 * Check if a texture target can have more than one layer.
591 _mesa_tex_target_is_layered(GLenum target
)
595 case GL_PROXY_TEXTURE_1D
:
597 case GL_PROXY_TEXTURE_2D
:
598 case GL_TEXTURE_RECTANGLE
:
599 case GL_PROXY_TEXTURE_RECTANGLE
:
600 case GL_TEXTURE_2D_MULTISAMPLE
:
601 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
602 case GL_TEXTURE_BUFFER
:
603 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
604 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
605 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
606 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
607 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
608 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
609 case GL_TEXTURE_EXTERNAL_OES
:
613 case GL_PROXY_TEXTURE_3D
:
614 case GL_TEXTURE_CUBE_MAP
:
615 case GL_PROXY_TEXTURE_CUBE_MAP
:
616 case GL_TEXTURE_1D_ARRAY
:
617 case GL_PROXY_TEXTURE_1D_ARRAY
:
618 case GL_TEXTURE_2D_ARRAY
:
619 case GL_PROXY_TEXTURE_2D_ARRAY
:
620 case GL_TEXTURE_CUBE_MAP_ARRAY
:
621 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
622 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
623 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
627 assert(!"Invalid texture target.");
634 * Return the number of layers present in the given level of an array,
635 * cubemap or 3D texture. If the texture is not layered return zero.
638 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
)
640 assert(level
>= 0 && level
< MAX_TEXTURE_LEVELS
);
642 switch (texObj
->Target
) {
645 case GL_TEXTURE_RECTANGLE
:
646 case GL_TEXTURE_2D_MULTISAMPLE
:
647 case GL_TEXTURE_BUFFER
:
648 case GL_TEXTURE_EXTERNAL_OES
:
651 case GL_TEXTURE_CUBE_MAP
:
654 case GL_TEXTURE_1D_ARRAY
: {
655 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
656 return img
? img
->Height
: 0;
660 case GL_TEXTURE_2D_ARRAY
:
661 case GL_TEXTURE_CUBE_MAP_ARRAY
:
662 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
: {
663 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
664 return img
? img
->Depth
: 0;
668 assert(!"Invalid texture target.");
675 * Return the maximum number of mipmap levels for the given target
676 * and the dimensions.
677 * The dimensions are expected not to include the border.
680 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
687 case GL_TEXTURE_1D_ARRAY
:
688 case GL_PROXY_TEXTURE_1D
:
689 case GL_PROXY_TEXTURE_1D_ARRAY
:
692 case GL_TEXTURE_CUBE_MAP
:
693 case GL_TEXTURE_CUBE_MAP_ARRAY
:
694 case GL_PROXY_TEXTURE_CUBE_MAP
:
695 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
699 case GL_TEXTURE_2D_ARRAY
:
700 case GL_PROXY_TEXTURE_2D
:
701 case GL_PROXY_TEXTURE_2D_ARRAY
:
702 size
= MAX2(width
, height
);
705 case GL_PROXY_TEXTURE_3D
:
706 size
= MAX3(width
, height
, depth
);
708 case GL_TEXTURE_RECTANGLE
:
709 case GL_TEXTURE_EXTERNAL_OES
:
710 case GL_TEXTURE_2D_MULTISAMPLE
:
711 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
712 case GL_PROXY_TEXTURE_RECTANGLE
:
713 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
714 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
721 return _mesa_logbase2(size
) + 1;
725 #if 000 /* not used anymore */
727 * glTexImage[123]D can accept a NULL image pointer. In this case we
728 * create a texture image with unspecified image contents per the OpenGL
732 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
734 const GLint components
= _mesa_components_in_format(format
);
735 const GLint numPixels
= width
* height
* depth
;
736 GLubyte
*data
= (GLubyte
*) malloc(numPixels
* components
* sizeof(GLubyte
));
740 * Let's see if anyone finds this. If glTexImage2D() is called with
741 * a NULL image pointer then load the texture image with something
742 * interesting instead of leaving it indeterminate.
745 static const char message
[8][32] = {
749 " X X XXXX XXX XXXXX ",
752 " X X XXXXX XXX X X ",
756 GLubyte
*imgPtr
= data
;
758 for (h
= 0; h
< depth
; h
++) {
759 for (i
= 0; i
< height
; i
++) {
760 GLint srcRow
= 7 - (i
% 8);
761 for (j
= 0; j
< width
; j
++) {
762 GLint srcCol
= j
% 32;
763 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
764 for (k
= 0; k
< components
; k
++) {
780 * Set the size and format-related fields of a gl_texture_image struct
781 * to zero. This is used when a proxy texture test fails.
784 clear_teximage_fields(struct gl_texture_image
*img
)
787 img
->_BaseFormat
= 0;
788 img
->InternalFormat
= 0;
799 img
->TexFormat
= MESA_FORMAT_NONE
;
801 img
->FixedSampleLocations
= GL_TRUE
;
806 * Initialize basic fields of the gl_texture_image struct.
808 * \param ctx GL context.
809 * \param img texture image structure to be initialized.
810 * \param width image width.
811 * \param height image height.
812 * \param depth image depth.
813 * \param border image border.
814 * \param internalFormat internal format.
815 * \param format the actual hardware format (one of MESA_FORMAT_*)
816 * \param numSamples number of samples per texel, or zero for non-MS.
817 * \param fixedSampleLocations are sample locations fixed?
819 * Fills in the fields of \p img with the given information.
820 * Note: width, height and depth include the border.
823 _mesa_init_teximage_fields_ms(struct gl_context
*ctx
,
824 struct gl_texture_image
*img
,
825 GLsizei width
, GLsizei height
, GLsizei depth
,
826 GLint border
, GLenum internalFormat
,
828 GLuint numSamples
, GLboolean fixedSampleLocations
)
830 const GLint base_format
=_mesa_base_tex_format(ctx
, internalFormat
);
837 target
= img
->TexObject
->Target
;
838 assert(base_format
!= -1);
839 img
->_BaseFormat
= (GLenum16
)base_format
;
840 img
->InternalFormat
= internalFormat
;
841 img
->Border
= border
;
843 img
->Height
= height
;
846 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
847 img
->WidthLog2
= _mesa_logbase2(img
->Width2
);
851 case GL_TEXTURE_BUFFER
:
852 case GL_PROXY_TEXTURE_1D
:
864 case GL_TEXTURE_1D_ARRAY
:
865 case GL_PROXY_TEXTURE_1D_ARRAY
:
866 img
->Height2
= height
; /* no border */
867 img
->HeightLog2
= 0; /* not used */
875 case GL_TEXTURE_RECTANGLE
:
876 case GL_TEXTURE_CUBE_MAP
:
877 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
878 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
879 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
880 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
881 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
882 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
883 case GL_TEXTURE_EXTERNAL_OES
:
884 case GL_PROXY_TEXTURE_2D
:
885 case GL_PROXY_TEXTURE_RECTANGLE
:
886 case GL_PROXY_TEXTURE_CUBE_MAP
:
887 case GL_TEXTURE_2D_MULTISAMPLE
:
888 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
889 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
890 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
897 case GL_TEXTURE_2D_ARRAY
:
898 case GL_PROXY_TEXTURE_2D_ARRAY
:
899 case GL_TEXTURE_CUBE_MAP_ARRAY
:
900 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
901 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
902 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
903 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
904 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
905 img
->Depth2
= depth
; /* no border */
906 img
->DepthLog2
= 0; /* not used */
909 case GL_PROXY_TEXTURE_3D
:
910 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
911 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
912 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
913 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
916 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
921 _mesa_get_tex_max_num_levels(target
,
922 img
->Width2
, img
->Height2
, img
->Depth2
);
923 img
->TexFormat
= format
;
924 img
->NumSamples
= numSamples
;
925 img
->FixedSampleLocations
= fixedSampleLocations
;
930 _mesa_init_teximage_fields(struct gl_context
*ctx
,
931 struct gl_texture_image
*img
,
932 GLsizei width
, GLsizei height
, GLsizei depth
,
933 GLint border
, GLenum internalFormat
,
936 _mesa_init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
937 internalFormat
, format
, 0, GL_TRUE
);
942 * Free and clear fields of the gl_texture_image struct.
944 * \param ctx GL context.
945 * \param texImage texture image structure to be cleared.
947 * After the call, \p texImage will have no data associated with it. Its
948 * fields are cleared so that its parent object will test incomplete.
951 _mesa_clear_texture_image(struct gl_context
*ctx
,
952 struct gl_texture_image
*texImage
)
954 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
955 clear_teximage_fields(texImage
);
960 * Check the width, height, depth and border of a texture image are legal.
961 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
963 * The target and level parameters will have already been validated.
964 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
967 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
968 GLint level
, GLint width
, GLint height
,
969 GLint depth
, GLint border
)
975 case GL_PROXY_TEXTURE_1D
:
976 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1); /* level zero size */
977 maxSize
>>= level
; /* level size */
978 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
980 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
981 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
987 case GL_PROXY_TEXTURE_2D
:
988 case GL_TEXTURE_2D_MULTISAMPLE
:
989 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
990 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
992 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
994 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
996 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
997 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
999 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1005 case GL_PROXY_TEXTURE_3D
:
1006 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1008 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1010 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1012 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
1014 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1015 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1017 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1019 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
1024 case GL_TEXTURE_RECTANGLE_NV
:
1025 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1028 maxSize
= ctx
->Const
.MaxTextureRectSize
;
1029 if (width
< 0 || width
> maxSize
)
1031 if (height
< 0 || height
> maxSize
)
1035 case GL_TEXTURE_CUBE_MAP
:
1036 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1037 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1038 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1039 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1040 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1041 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1042 case GL_PROXY_TEXTURE_CUBE_MAP
:
1043 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1045 if (width
!= height
)
1047 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1049 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1051 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1052 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1054 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1059 case GL_TEXTURE_1D_ARRAY_EXT
:
1060 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1061 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1063 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1065 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1067 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1068 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1073 case GL_TEXTURE_2D_ARRAY_EXT
:
1074 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1075 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1076 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1077 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1079 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1081 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1083 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
)
1085 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1086 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1088 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1093 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1094 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1095 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1096 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1098 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1100 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1102 if (width
!= height
)
1104 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
1106 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1107 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1109 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1114 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1120 error_check_subtexture_negative_dimensions(struct gl_context
*ctx
,
1129 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width=%d)", func
, subWidth
);
1133 if (dims
> 1 && subHeight
< 0) {
1134 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height=%d)", func
, subHeight
);
1138 if (dims
> 2 && subDepth
< 0) {
1139 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(depth=%d)", func
, subDepth
);
1147 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1148 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1149 * \param destImage the destination texture image.
1150 * \return GL_TRUE if error found, GL_FALSE otherwise.
1153 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1154 const struct gl_texture_image
*destImage
,
1155 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1156 GLsizei subWidth
, GLsizei subHeight
,
1157 GLsizei subDepth
, const char *func
)
1159 const GLenum target
= destImage
->TexObject
->Target
;
1162 /* check xoffset and width */
1163 if (xoffset
< - (GLint
) destImage
->Border
) {
1164 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1168 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1169 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset %d + width %d > %u)", func
,
1170 xoffset
, subWidth
, destImage
->Width
);
1174 /* check yoffset and height */
1176 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1177 if (yoffset
< -yBorder
) {
1178 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1181 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1182 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset %d + height %d > %u)",
1183 func
, yoffset
, subHeight
, destImage
->Height
);
1188 /* check zoffset and depth */
1191 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1192 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1193 0 : destImage
->Border
;
1195 if (zoffset
< -zBorder
) {
1196 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1200 depth
= (GLint
) destImage
->Depth
;
1201 if (target
== GL_TEXTURE_CUBE_MAP
)
1203 if (zoffset
+ subDepth
> depth
) {
1204 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset %d + depth %d > %u)",
1205 func
, zoffset
, subDepth
, depth
);
1211 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1212 * compressed texture images can be updated. But, that restriction may be
1213 * relaxed for particular compressed formats. At this time, all the
1214 * compressed formats supported by Mesa allow sub-textures to be updated
1215 * along compressed block boundaries.
1217 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1219 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1220 /* offset must be multiple of block size */
1221 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1222 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1223 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1224 func
, xoffset
, yoffset
, zoffset
);
1228 /* The size must be a multiple of bw x bh, or we must be using a
1229 * offset+size that exactly hits the edge of the image. This
1230 * is important for small mipmap levels (1x1, 2x1, etc) and for
1233 if ((subWidth
% bw
!= 0) &&
1234 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1235 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1236 "%s(width = %d)", func
, subWidth
);
1240 if ((subHeight
% bh
!= 0) &&
1241 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1242 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1243 "%s(height = %d)", func
, subHeight
);
1247 if ((subDepth
% bd
!= 0) &&
1248 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1249 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1250 "%s(depth = %d)", func
, subDepth
);
1262 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1263 * specific texture image size checks.
1265 * A hardware driver might override this function if, for example, the
1266 * max 3D texture size is 512x512x64 (i.e. not a cube).
1268 * Note that width, height, depth == 0 is not an error. However, a
1269 * texture with zero width/height/depth will be considered "incomplete"
1270 * and texturing will effectively be disabled.
1272 * \param target any texture target/type
1273 * \param numLevels number of mipmap levels in the texture or 0 if not known
1274 * \param level as passed to glTexImage
1275 * \param format the MESA_FORMAT_x for the tex image
1276 * \param numSamples number of samples per texel
1277 * \param width as passed to glTexImage
1278 * \param height as passed to glTexImage
1279 * \param depth as passed to glTexImage
1280 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1283 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1284 GLuint numLevels
, MAYBE_UNUSED GLint level
,
1285 mesa_format format
, GLuint numSamples
,
1286 GLint width
, GLint height
, GLint depth
)
1288 uint64_t bytes
, mbytes
;
1290 if (numLevels
> 0) {
1291 /* Compute total memory for a whole mipmap. This is the path
1292 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1300 for (l
= 0; l
< numLevels
; l
++) {
1301 GLint nextWidth
, nextHeight
, nextDepth
;
1303 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1305 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1306 &nextWidth
, &nextHeight
,
1309 height
= nextHeight
;
1316 /* We just compute the size of one mipmap level. This is the path
1317 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1319 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1322 bytes
*= _mesa_num_tex_faces(target
);
1323 bytes
*= MAX2(1, numSamples
);
1325 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1327 /* We just check if the image size is less than MaxTextureMbytes.
1328 * Some drivers may do more specific checks.
1330 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1335 * Return true if the format is only valid for glCompressedTexImage.
1338 compressedteximage_only_format(GLenum format
)
1341 case GL_PALETTE4_RGB8_OES
:
1342 case GL_PALETTE4_RGBA8_OES
:
1343 case GL_PALETTE4_R5_G6_B5_OES
:
1344 case GL_PALETTE4_RGBA4_OES
:
1345 case GL_PALETTE4_RGB5_A1_OES
:
1346 case GL_PALETTE8_RGB8_OES
:
1347 case GL_PALETTE8_RGBA8_OES
:
1348 case GL_PALETTE8_R5_G6_B5_OES
:
1349 case GL_PALETTE8_RGBA4_OES
:
1350 case GL_PALETTE8_RGB5_A1_OES
:
1351 case GL_ATC_RGB_AMD
:
1352 case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD
:
1353 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
:
1361 * Return true if the format doesn't support online compression.
1364 _mesa_format_no_online_compression(GLenum format
)
1366 return _mesa_is_astc_format(format
) ||
1367 _mesa_is_etc2_format(format
) ||
1368 compressedteximage_only_format(format
);
1371 /* Writes to an GL error pointer if non-null and returns whether or not the
1372 * error is GL_NO_ERROR */
1374 write_error(GLenum
*err_ptr
, GLenum error
)
1379 return error
== GL_NO_ERROR
;
1383 * Helper function to determine whether a target and specific compression
1384 * format are supported. The error parameter returns GL_NO_ERROR if the
1385 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1386 * or GL_INVALID_ENUM, whichever is more appropriate.
1389 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1390 GLenum intFormat
, GLenum
*error
)
1392 GLboolean target_can_be_compresed
= GL_FALSE
;
1393 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1394 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1398 case GL_PROXY_TEXTURE_2D
:
1399 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1401 case GL_PROXY_TEXTURE_CUBE_MAP
:
1402 case GL_TEXTURE_CUBE_MAP
:
1403 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1404 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1405 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1406 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1407 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1408 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1409 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1411 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1412 case GL_TEXTURE_2D_ARRAY_EXT
:
1413 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1415 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1416 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1417 /* From the KHR_texture_compression_astc_hdr spec:
1419 * Add a second new column "3D Tex." which is empty for all non-ASTC
1420 * formats. If only the LDR profile is supported by the
1421 * implementation, this column is also empty for all ASTC formats. If
1422 * both the LDR and HDR profiles are supported only, this column is
1423 * checked for all ASTC formats.
1425 * Add a third new column "Cube Map Array Tex." which is empty for all
1426 * non-ASTC formats, and checked for all ASTC formats.
1430 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1431 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1432 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1433 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1434 * 8.19 is *not* checked'
1436 * The instances of <internalformat> above should say <target>.
1438 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1439 * have already been handled by normal ETC2/EAC behavior.
1442 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1444 * "The ETC2/EAC texture compression algorithm supports only
1445 * two-dimensional images. If internalformat is an ETC2/EAC format,
1446 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1447 * target is not TEXTURE_2D_ARRAY."
1449 * This should also be applicable for glTexStorage3D(). Other available
1450 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1452 * Section 8.7, page 179 of OpenGL ES 3.2 adds:
1454 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1455 * if internalformat is one of the the formats in table 8.17 and target is
1456 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
1458 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1459 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
1460 * Array” column of table 8.17 is not checked, or if internalformat
1461 * is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
1464 * The instances of <internalformat> above should say <target>.
1466 * Such table 8.17 has checked "Cube Map Array" column for all the
1467 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
1469 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
) &&
1470 !_mesa_is_gles32(ctx
))
1471 return write_error(error
, GL_INVALID_OPERATION
);
1472 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1476 case MESA_FORMAT_LAYOUT_ETC2
:
1477 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1478 if (_mesa_is_gles3(ctx
))
1479 return write_error(error
, GL_INVALID_OPERATION
);
1481 case MESA_FORMAT_LAYOUT_BPTC
:
1482 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1484 case MESA_FORMAT_LAYOUT_ASTC
:
1485 target_can_be_compresed
=
1486 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1487 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1489 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1490 * neither of the above extensions are supported. See comment in
1491 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1493 if (!target_can_be_compresed
)
1494 return write_error(error
, GL_INVALID_OPERATION
);
1502 return write_error(error
,
1503 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1508 * Check if the given texture target value is legal for a
1509 * glTexImage1/2/3D call.
1512 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1518 case GL_PROXY_TEXTURE_1D
:
1519 return _mesa_is_desktop_gl(ctx
);
1527 case GL_PROXY_TEXTURE_2D
:
1528 return _mesa_is_desktop_gl(ctx
);
1529 case GL_PROXY_TEXTURE_CUBE_MAP
:
1530 return _mesa_is_desktop_gl(ctx
)
1531 && ctx
->Extensions
.ARB_texture_cube_map
;
1532 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1533 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1534 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1535 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1536 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1537 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1538 return ctx
->Extensions
.ARB_texture_cube_map
;
1539 case GL_TEXTURE_RECTANGLE_NV
:
1540 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1541 return _mesa_is_desktop_gl(ctx
)
1542 && ctx
->Extensions
.NV_texture_rectangle
;
1543 case GL_TEXTURE_1D_ARRAY_EXT
:
1544 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1545 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1553 case GL_PROXY_TEXTURE_3D
:
1554 return _mesa_is_desktop_gl(ctx
);
1555 case GL_TEXTURE_2D_ARRAY_EXT
:
1556 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1557 || _mesa_is_gles3(ctx
);
1558 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1559 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1560 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1561 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1562 return _mesa_has_texture_cube_map_array(ctx
);
1567 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1574 * Check if the given texture target value is legal for a
1575 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1576 * The difference compared to legal_teximage_target() above is that
1577 * proxy targets are not supported.
1580 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1585 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1590 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1591 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1592 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1593 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1594 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1595 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1596 return ctx
->Extensions
.ARB_texture_cube_map
;
1597 case GL_TEXTURE_RECTANGLE_NV
:
1598 return _mesa_is_desktop_gl(ctx
)
1599 && ctx
->Extensions
.NV_texture_rectangle
;
1600 case GL_TEXTURE_1D_ARRAY_EXT
:
1601 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1609 case GL_TEXTURE_2D_ARRAY_EXT
:
1610 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1611 || _mesa_is_gles3(ctx
);
1612 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1613 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1614 return _mesa_has_texture_cube_map_array(ctx
);
1616 /* Table 8.15 of the OpenGL 4.5 core profile spec
1617 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1618 * and CopyTextureSubImage3D.
1620 case GL_TEXTURE_CUBE_MAP
:
1626 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1634 * Helper function to determine if a texture object is mutable (in terms
1635 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1638 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1640 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1644 if (texObj
->HandleAllocated
) {
1645 /* The ARB_bindless_texture spec says:
1647 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1648 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1649 * functions defined in terms of these, if the texture object to be
1650 * modified is referenced by one or more texture or image handles."
1655 return !texObj
->Immutable
;
1660 * Return expected size of a compressed texture.
1663 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1666 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1667 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1671 * Verify that a texture format is valid with a particular target
1673 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1674 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1677 * \param ctx GL context
1678 * \param target Texture target
1679 * \param internalFormat Internal format of the texture image
1681 * \returns true if the combination is legal, false otherwise.
1684 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1685 GLenum target
, GLenum internalFormat
)
1687 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1688 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1689 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1690 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1691 * Profile spec says:
1693 * "Textures with a base internal format of DEPTH_COMPONENT or
1694 * DEPTH_STENCIL are supported by texture image specification
1695 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1696 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1697 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1698 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1699 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1700 * formats in conjunction with any other target will result in an
1701 * INVALID_OPERATION error."
1703 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1704 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1706 if (target
!= GL_TEXTURE_1D
&&
1707 target
!= GL_PROXY_TEXTURE_1D
&&
1708 target
!= GL_TEXTURE_2D
&&
1709 target
!= GL_PROXY_TEXTURE_2D
&&
1710 target
!= GL_TEXTURE_1D_ARRAY
&&
1711 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1712 target
!= GL_TEXTURE_2D_ARRAY
&&
1713 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1714 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1715 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1716 !((_mesa_is_cube_face(target
) ||
1717 target
== GL_TEXTURE_CUBE_MAP
||
1718 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1719 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1720 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1721 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1722 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1723 _mesa_has_texture_cube_map_array(ctx
))) {
1732 texture_formats_agree(GLenum internalFormat
,
1735 GLboolean colorFormat
;
1736 GLboolean is_format_depth_or_depthstencil
;
1737 GLboolean is_internalFormat_depth_or_depthstencil
;
1739 /* Even though there are no color-index textures, we still have to support
1740 * uploading color-index data and remapping it to RGB via the
1741 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1743 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1745 is_internalFormat_depth_or_depthstencil
=
1746 _mesa_is_depth_format(internalFormat
) ||
1747 _mesa_is_depthstencil_format(internalFormat
);
1749 is_format_depth_or_depthstencil
=
1750 _mesa_is_depth_format(format
) ||
1751 _mesa_is_depthstencil_format(format
);
1753 colorFormat
= _mesa_is_color_format(format
);
1755 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1758 if (is_internalFormat_depth_or_depthstencil
!=
1759 is_format_depth_or_depthstencil
)
1762 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1769 * Test the combination of format, type and internal format arguments of
1770 * different texture operations on GLES.
1772 * \param ctx GL context.
1773 * \param format pixel data format given by the user.
1774 * \param type pixel data type given by the user.
1775 * \param internalFormat internal format given by the user.
1776 * \param callerName name of the caller function to print in the error message
1778 * \return true if a error is found, false otherwise
1780 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1783 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1784 GLenum type
, GLenum internalFormat
, const char *callerName
)
1786 GLenum err
= _mesa_gles_error_check_format_and_type(ctx
, format
, type
,
1788 if (err
!= GL_NO_ERROR
) {
1789 _mesa_error(ctx
, err
,
1790 "%s(format = %s, type = %s, internalformat = %s)",
1791 callerName
, _mesa_enum_to_string(format
),
1792 _mesa_enum_to_string(type
),
1793 _mesa_enum_to_string(internalFormat
));
1801 * Test the glTexImage[123]D() parameters for errors.
1803 * \param ctx GL context.
1804 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1805 * \param target texture target given by the user (already validated).
1806 * \param level image level given by the user.
1807 * \param internalFormat internal format given by the user.
1808 * \param format pixel data format given by the user.
1809 * \param type pixel data type given by the user.
1810 * \param width image width given by the user.
1811 * \param height image height given by the user.
1812 * \param depth image depth given by the user.
1813 * \param border image border given by the user.
1815 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1817 * Verifies each of the parameters against the constants specified in
1818 * __struct gl_contextRec::Const and the supported extensions, and according
1819 * to the OpenGL specification.
1820 * Note that we don't fully error-check the width, height, depth values
1821 * here. That's done in _mesa_legal_texture_dimensions() which is used
1822 * by several other GL entrypoints. Plus, texture dims have a special
1823 * interaction with proxy textures.
1826 texture_error_check( struct gl_context
*ctx
,
1827 GLuint dimensions
, GLenum target
,
1828 GLint level
, GLint internalFormat
,
1829 GLenum format
, GLenum type
,
1830 GLint width
, GLint height
,
1831 GLint depth
, GLint border
,
1832 const GLvoid
*pixels
)
1836 /* Note: for proxy textures, some error conditions immediately generate
1837 * a GL error in the usual way. But others do not generate a GL error.
1838 * Instead, they cause the width, height, depth, format fields of the
1839 * texture image to be zeroed-out. The GL spec seems to indicate that the
1840 * zero-out behaviour is only used in cases related to memory allocation.
1844 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1845 _mesa_error(ctx
, GL_INVALID_VALUE
,
1846 "glTexImage%dD(level=%d)", dimensions
, level
);
1851 if (border
< 0 || border
> 1 ||
1852 ((ctx
->API
!= API_OPENGL_COMPAT
||
1853 target
== GL_TEXTURE_RECTANGLE_NV
||
1854 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1855 _mesa_error(ctx
, GL_INVALID_VALUE
,
1856 "glTexImage%dD(border=%d)", dimensions
, border
);
1860 if (width
< 0 || height
< 0 || depth
< 0) {
1861 _mesa_error(ctx
, GL_INVALID_VALUE
,
1862 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1866 /* Check incoming image format and type */
1867 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1868 if (err
!= GL_NO_ERROR
) {
1869 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1870 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1872 * "Specifying a value for internalformat that is not one of the
1873 * above (acceptable) values generates the error INVALID VALUE."
1875 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1876 err
= GL_INVALID_VALUE
;
1878 _mesa_error(ctx
, err
,
1879 "glTexImage%dD(incompatible format = %s, type = %s)",
1880 dimensions
, _mesa_enum_to_string(format
),
1881 _mesa_enum_to_string(type
));
1885 /* Check internalFormat */
1886 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1887 _mesa_error(ctx
, GL_INVALID_VALUE
,
1888 "glTexImage%dD(internalFormat=%s)",
1889 dimensions
, _mesa_enum_to_string(internalFormat
));
1893 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1894 * combinations of format, internalFormat, and type that can be used.
1895 * Formats and types that require additional extensions (e.g., GL_FLOAT
1896 * requires GL_OES_texture_float) are filtered elsewhere.
1898 char bufCallerName
[20];
1899 _mesa_snprintf(bufCallerName
, 20, "glTexImage%dD", dimensions
);
1900 if (_mesa_is_gles(ctx
) &&
1901 texture_format_error_check_gles(ctx
, format
, type
,
1902 internalFormat
, bufCallerName
)) {
1906 /* validate the bound PBO, if any */
1907 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1908 width
, height
, depth
, format
, type
,
1909 INT_MAX
, pixels
, "glTexImage")) {
1913 /* make sure internal format and format basically agree */
1914 if (!texture_formats_agree(internalFormat
, format
)) {
1915 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1916 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1917 dimensions
, _mesa_enum_to_string(internalFormat
),
1918 _mesa_enum_to_string(format
));
1922 /* additional checks for ycbcr textures */
1923 if (internalFormat
== GL_YCBCR_MESA
) {
1924 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1925 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1926 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1928 _mesa_snprintf(message
, sizeof(message
),
1929 "glTexImage%dD(format/type YCBCR mismatch)",
1931 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1932 return GL_TRUE
; /* error */
1934 if (target
!= GL_TEXTURE_2D
&&
1935 target
!= GL_PROXY_TEXTURE_2D
&&
1936 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1937 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1938 _mesa_error(ctx
, GL_INVALID_ENUM
,
1939 "glTexImage%dD(bad target for YCbCr texture)",
1945 _mesa_snprintf(message
, sizeof(message
),
1946 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1947 dimensions
, border
);
1948 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1953 /* additional checks for depth textures */
1954 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1955 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1956 "glTexImage%dD(bad target for texture)", dimensions
);
1960 /* additional checks for compressed textures */
1961 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1963 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1964 _mesa_error(ctx
, err
,
1965 "glTexImage%dD(target can't be compressed)", dimensions
);
1968 if (_mesa_format_no_online_compression(internalFormat
)) {
1969 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1970 "glTexImage%dD(no compression for format)", dimensions
);
1974 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1975 "glTexImage%dD(border!=0)", dimensions
);
1980 /* additional checks for integer textures */
1981 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1982 (_mesa_is_enum_format_integer(format
) !=
1983 _mesa_is_enum_format_integer(internalFormat
))) {
1984 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1985 "glTexImage%dD(integer/non-integer format mismatch)",
1990 if (!mutable_tex_object(ctx
, target
)) {
1991 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1992 "glTexImage%dD(immutable texture)", dimensions
);
1996 /* if we get here, the parameters are OK */
2002 * Error checking for glCompressedTexImage[123]D().
2003 * Note that the width, height and depth values are not fully error checked
2005 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2008 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2009 GLenum target
, GLint level
,
2010 GLenum internalFormat
, GLsizei width
,
2011 GLsizei height
, GLsizei depth
, GLint border
,
2012 GLsizei imageSize
, const GLvoid
*data
)
2014 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2016 GLenum error
= GL_NO_ERROR
;
2017 char *reason
= ""; /* no error */
2019 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
2024 /* This will detect any invalid internalFormat value */
2025 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2026 _mesa_error(ctx
, GL_INVALID_ENUM
,
2027 "glCompressedTexImage%dD(internalFormat=%s)",
2028 dimensions
, _mesa_enum_to_string(internalFormat
));
2032 /* validate the bound PBO, if any */
2033 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2035 "glCompressedTexImage")) {
2039 switch (internalFormat
) {
2040 case GL_PALETTE4_RGB8_OES
:
2041 case GL_PALETTE4_RGBA8_OES
:
2042 case GL_PALETTE4_R5_G6_B5_OES
:
2043 case GL_PALETTE4_RGBA4_OES
:
2044 case GL_PALETTE4_RGB5_A1_OES
:
2045 case GL_PALETTE8_RGB8_OES
:
2046 case GL_PALETTE8_RGBA8_OES
:
2047 case GL_PALETTE8_R5_G6_B5_OES
:
2048 case GL_PALETTE8_RGBA4_OES
:
2049 case GL_PALETTE8_RGB5_A1_OES
:
2050 /* check level (note that level should be zero or less!) */
2051 if (level
> 0 || level
< -maxLevels
) {
2053 error
= GL_INVALID_VALUE
;
2057 if (dimensions
!= 2) {
2058 reason
= "compressed paletted textures must be 2D";
2059 error
= GL_INVALID_OPERATION
;
2063 /* Figure out the expected texture size (in bytes). This will be
2064 * checked against the actual size later.
2066 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2069 /* This is for the benefit of the TestProxyTexImage below. It expects
2070 * level to be non-negative. OES_compressed_paletted_texture uses a
2071 * weird mechanism where the level specified to glCompressedTexImage2D
2072 * is -(n-1) number of levels in the texture, and the data specifies the
2073 * complete mipmap stack. This is done to ensure the palette is the
2074 * same for all levels.
2081 if (level
< 0 || level
>= maxLevels
) {
2083 error
= GL_INVALID_VALUE
;
2087 /* Figure out the expected texture size (in bytes). This will be
2088 * checked against the actual size later.
2090 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2094 /* This should really never fail */
2095 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2096 reason
= "internalFormat";
2097 error
= GL_INVALID_ENUM
;
2101 /* No compressed formats support borders at this time */
2103 reason
= "border != 0";
2104 error
= GL_INVALID_VALUE
;
2108 /* Check for invalid pixel storage modes */
2109 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2111 "glCompressedTexImage")) {
2115 /* check image size in bytes */
2116 if (expectedSize
!= imageSize
) {
2117 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2118 * if <imageSize> is not consistent with the format, dimensions, and
2119 * contents of the specified image.
2121 reason
= "imageSize inconsistent with width/height/format";
2122 error
= GL_INVALID_VALUE
;
2126 if (!mutable_tex_object(ctx
, target
)) {
2127 reason
= "immutable texture";
2128 error
= GL_INVALID_OPERATION
;
2135 /* Note: not all error paths exit through here. */
2136 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2137 dimensions
, reason
);
2144 * Test glTexSubImage[123]D() parameters for errors.
2146 * \param ctx GL context.
2147 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2148 * \param target texture target given by the user (already validated)
2149 * \param level image level given by the user.
2150 * \param xoffset sub-image x offset given by the user.
2151 * \param yoffset sub-image y offset given by the user.
2152 * \param zoffset sub-image z offset given by the user.
2153 * \param format pixel data format given by the user.
2154 * \param type pixel data type given by the user.
2155 * \param width image width given by the user.
2156 * \param height image height given by the user.
2157 * \param depth image depth given by the user.
2159 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2161 * Verifies each of the parameters against the constants specified in
2162 * __struct gl_contextRec::Const and the supported extensions, and according
2163 * to the OpenGL specification.
2166 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2167 struct gl_texture_object
*texObj
,
2168 GLenum target
, GLint level
,
2169 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2170 GLint width
, GLint height
, GLint depth
,
2171 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2172 const char *callerName
)
2174 struct gl_texture_image
*texImage
;
2178 /* must be out of memory */
2179 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2184 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2185 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2189 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2190 width
, height
, depth
,
2195 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2197 /* non-existant texture level */
2198 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
2203 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2204 if (err
!= GL_NO_ERROR
) {
2205 _mesa_error(ctx
, err
,
2206 "%s(incompatible format = %s, type = %s)",
2207 callerName
, _mesa_enum_to_string(format
),
2208 _mesa_enum_to_string(type
));
2212 GLenum internalFormat
= _mesa_is_gles(ctx
) ?
2213 oes_float_internal_format(ctx
, texImage
->InternalFormat
, type
) :
2214 texImage
->InternalFormat
;
2216 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2217 * combinations of format, internalFormat, and type that can be used.
2218 * Formats and types that require additional extensions (e.g., GL_FLOAT
2219 * requires GL_OES_texture_float) are filtered elsewhere.
2221 if (_mesa_is_gles(ctx
) &&
2222 texture_format_error_check_gles(ctx
, format
, type
,
2223 internalFormat
, callerName
)) {
2227 /* validate the bound PBO, if any */
2228 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2229 width
, height
, depth
, format
, type
,
2230 INT_MAX
, pixels
, callerName
)) {
2234 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2235 texImage
, xoffset
, yoffset
, zoffset
,
2236 width
, height
, depth
, callerName
)) {
2240 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2241 if (_mesa_format_no_online_compression(texImage
->InternalFormat
)) {
2242 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2243 "%s(no compression for format)", callerName
);
2248 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2249 /* both source and dest must be integer-valued, or neither */
2250 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2251 _mesa_is_enum_format_integer(format
)) {
2252 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2253 "%s(integer/non-integer format mismatch)", callerName
);
2263 * Test glCopyTexImage[12]D() parameters for errors.
2265 * \param ctx GL context.
2266 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2267 * \param target texture target given by the user.
2268 * \param level image level given by the user.
2269 * \param internalFormat internal format given by the user.
2270 * \param width image width given by the user.
2271 * \param height image height given by the user.
2272 * \param border texture border.
2274 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2276 * Verifies each of the parameters against the constants specified in
2277 * __struct gl_contextRec::Const and the supported extensions, and according
2278 * to the OpenGL specification.
2281 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2282 GLenum target
, GLint level
, GLint internalFormat
,
2286 GLint rb_base_format
;
2287 struct gl_renderbuffer
*rb
;
2288 GLenum rb_internal_format
;
2291 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2292 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2293 dimensions
, _mesa_enum_to_string(target
));
2298 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2299 _mesa_error(ctx
, GL_INVALID_VALUE
,
2300 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2304 /* Check that the source buffer is complete */
2305 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2306 if (ctx
->ReadBuffer
->_Status
== 0) {
2307 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2309 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2310 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2311 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2315 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2316 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2317 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2323 if (border
< 0 || border
> 1 ||
2324 ((ctx
->API
!= API_OPENGL_COMPAT
||
2325 target
== GL_TEXTURE_RECTANGLE_NV
||
2326 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2327 _mesa_error(ctx
, GL_INVALID_VALUE
,
2328 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2332 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2335 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2336 switch (internalFormat
) {
2341 case GL_LUMINANCE_ALPHA
:
2344 _mesa_error(ctx
, GL_INVALID_ENUM
,
2345 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2346 _mesa_enum_to_string(internalFormat
));
2351 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2352 * OpenGL 4.5 (Compatibility Profile) spec says:
2354 * "Parameters level, internalformat, and border are specified using
2355 * the same values, with the same meanings, as the corresponding
2356 * arguments of TexImage2D, except that internalformat may not be
2357 * specified as 1, 2, 3, or 4."
2359 if (internalFormat
>= 1 && internalFormat
<= 4) {
2360 _mesa_error(ctx
, GL_INVALID_ENUM
,
2361 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2367 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2368 if (baseFormat
< 0) {
2369 _mesa_error(ctx
, GL_INVALID_ENUM
,
2370 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2371 _mesa_enum_to_string(internalFormat
));
2375 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2377 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2378 "glCopyTexImage%dD(read buffer)", dimensions
);
2382 rb_internal_format
= rb
->InternalFormat
;
2383 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2384 if (_mesa_is_color_format(internalFormat
)) {
2385 if (rb_base_format
< 0) {
2386 _mesa_error(ctx
, GL_INVALID_VALUE
,
2387 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2388 _mesa_enum_to_string(internalFormat
));
2393 if (_mesa_is_gles(ctx
)) {
2395 if (_mesa_components_in_format(baseFormat
) >
2396 _mesa_components_in_format(rb_base_format
)) {
2399 if (baseFormat
== GL_DEPTH_COMPONENT
||
2400 baseFormat
== GL_DEPTH_STENCIL
||
2401 baseFormat
== GL_STENCIL_INDEX
||
2402 rb_base_format
== GL_DEPTH_COMPONENT
||
2403 rb_base_format
== GL_DEPTH_STENCIL
||
2404 rb_base_format
== GL_STENCIL_INDEX
||
2405 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2406 baseFormat
== GL_ALPHA
) &&
2407 rb_base_format
!= GL_RGBA
) ||
2408 internalFormat
== GL_RGB9_E5
) {
2411 if (internalFormat
== GL_RGB9_E5
) {
2415 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2416 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2417 _mesa_enum_to_string(internalFormat
));
2422 if (_mesa_is_gles3(ctx
)) {
2423 bool rb_is_srgb
= false;
2424 bool dst_is_srgb
= false;
2426 if (ctx
->Extensions
.EXT_sRGB
&&
2427 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2431 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2435 if (rb_is_srgb
!= dst_is_srgb
) {
2436 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2437 * OpenGLES 3.0.0 spec says:
2439 * "The error INVALID_OPERATION is also generated if the
2440 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2441 * framebuffer attachment corresponding to the read buffer
2442 * is LINEAR (see section 6.1.13) and internalformat is
2443 * one of the sRGB formats described in section 3.8.16, or
2444 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2445 * SRGB and internalformat is not one of the sRGB formats."
2447 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2448 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2452 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2453 * types for SNORM formats. Also, conversion to SNORM formats is not
2454 * allowed by Table 3.2 on Page 110.
2456 if (!_mesa_has_EXT_render_snorm(ctx
) &&
2457 _mesa_is_enum_format_snorm(internalFormat
)) {
2458 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2459 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2460 _mesa_enum_to_string(internalFormat
));
2465 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2466 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2467 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2471 /* From the EXT_texture_integer spec:
2473 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2474 * if the texture internalformat is an integer format and the read color
2475 * buffer is not an integer format, or if the internalformat is not an
2476 * integer format and the read color buffer is an integer format."
2478 if (_mesa_is_color_format(internalFormat
)) {
2479 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2480 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2481 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2482 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2483 if (is_int
|| is_rbint
) {
2484 if (is_int
!= is_rbint
) {
2485 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2486 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2488 } else if (_mesa_is_gles(ctx
) &&
2489 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2490 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2491 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2492 "glCopyTexImage%dD(signed vs unsigned integer)",
2498 /* From page 138 of OpenGL ES 3.0 spec:
2499 * "The error INVALID_OPERATION is generated if floating-point RGBA
2500 * data is required; if signed integer RGBA data is required and the
2501 * format of the current color buffer is not signed integer; if
2502 * unsigned integer RGBA data is required and the format of the
2503 * current color buffer is not unsigned integer; or if fixed-point
2504 * RGBA data is required and the format of the current color buffer
2505 * is not fixed-point.
2507 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2508 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2509 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2512 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2514 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2515 _mesa_error(ctx
, err
,
2516 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2519 if (_mesa_format_no_online_compression(internalFormat
)) {
2520 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2521 "glCopyTexImage%dD(no compression for format)", dimensions
);
2525 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2526 "glCopyTexImage%dD(border!=0)", dimensions
);
2531 if (!mutable_tex_object(ctx
, target
)) {
2532 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2533 "glCopyTexImage%dD(immutable texture)", dimensions
);
2537 /* if we get here, the parameters are OK */
2543 * Test glCopyTexSubImage[12]D() parameters for errors.
2544 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2547 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2548 const struct gl_texture_object
*texObj
,
2549 GLenum target
, GLint level
,
2550 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2551 GLint width
, GLint height
, const char *caller
)
2555 struct gl_texture_image
*texImage
;
2557 /* Check that the source buffer is complete */
2558 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2559 if (ctx
->ReadBuffer
->_Status
== 0) {
2560 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2562 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2563 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2564 "%s(invalid readbuffer)", caller
);
2568 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2569 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2570 "%s(multisample FBO)", caller
);
2576 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2577 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2581 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2583 /* destination image does not exist */
2584 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2585 "%s(invalid texture level %d)", caller
, level
);
2589 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2590 width
, height
, 1, caller
)) {
2594 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2595 xoffset
, yoffset
, zoffset
,
2596 width
, height
, 1, caller
)) {
2600 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2601 if (_mesa_format_no_online_compression(texImage
->InternalFormat
)) {
2602 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2603 "%s(no compression for format)", caller
);
2608 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2609 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2613 /* From OpenGL ES 3.2 spec, section 8.6:
2615 * "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
2616 * CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
2617 * texture image being (re)specified is RGB9_E5"
2619 if (texImage
->InternalFormat
== GL_RGB9_E5
&&
2620 !_mesa_is_desktop_gl(ctx
)) {
2621 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2622 "%s(invalid internal format %s)", caller
,
2623 _mesa_enum_to_string(texImage
->InternalFormat
));
2627 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2628 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2629 "%s(missing readbuffer, format=%s)", caller
,
2630 _mesa_enum_to_string(texImage
->_BaseFormat
));
2634 /* From the EXT_texture_integer spec:
2636 * "INVALID_OPERATION is generated by CopyTexImage* and
2637 * CopyTexSubImage* if the texture internalformat is an integer format
2638 * and the read color buffer is not an integer format, or if the
2639 * internalformat is not an integer format and the read color buffer
2640 * is an integer format."
2642 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2643 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2645 if (_mesa_is_format_integer_color(rb
->Format
) !=
2646 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2647 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2648 "%s(integer vs non-integer)", caller
);
2653 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2654 * framebuffer/destination texture base internal format combinations),
2655 * all the entries for stencil are left blank (unsupported).
2657 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2658 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2662 /* if we get here, the parameters are OK */
2667 /** Callback info for walking over FBO hash table */
2670 struct gl_context
*ctx
;
2671 struct gl_texture_object
*texObj
;
2677 * Check render to texture callback. Called from _mesa_HashWalk().
2680 check_rtt_cb(UNUSED GLuint key
, void *data
, void *userData
)
2682 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2683 const struct cb_info
*info
= (struct cb_info
*) userData
;
2684 struct gl_context
*ctx
= info
->ctx
;
2685 const struct gl_texture_object
*texObj
= info
->texObj
;
2686 const GLuint level
= info
->level
, face
= info
->face
;
2688 /* If this is a user-created FBO */
2689 if (_mesa_is_user_fbo(fb
)) {
2691 /* check if any of the FBO's attachments point to 'texObj' */
2692 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2693 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2694 if (att
->Type
== GL_TEXTURE
&&
2695 att
->Texture
== texObj
&&
2696 att
->TextureLevel
== level
&&
2697 att
->CubeMapFace
== face
) {
2698 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2699 assert(att
->Renderbuffer
->TexImage
);
2700 /* Mark fb status as indeterminate to force re-validation */
2703 /* Make sure that the revalidation actually happens if this is
2704 * being done to currently-bound buffers.
2706 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2707 ctx
->NewState
|= _NEW_BUFFERS
;
2715 * When a texture image is specified we have to check if it's bound to
2716 * any framebuffer objects (render to texture) in order to detect changes
2717 * in size or format since that effects FBO completeness.
2718 * Any FBOs rendering into the texture must be re-validated.
2721 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2722 struct gl_texture_object
*texObj
,
2723 GLuint face
, GLuint level
)
2725 /* Only check this texture if it's been marked as RenderToTexture */
2726 if (texObj
->_RenderToTexture
) {
2727 struct cb_info info
;
2729 info
.texObj
= texObj
;
2732 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2738 * If the texture object's GenerateMipmap flag is set and we've
2739 * changed the texture base level image, regenerate the rest of the
2740 * mipmap levels now.
2743 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2744 struct gl_texture_object
*texObj
, GLint level
)
2746 if (texObj
->GenerateMipmap
&&
2747 level
== texObj
->BaseLevel
&&
2748 level
< texObj
->MaxLevel
) {
2749 assert(ctx
->Driver
.GenerateMipmap
);
2750 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2755 /** Debug helper: override the user-requested internal format */
2757 override_internal_format(GLenum internalFormat
, UNUSED GLint width
,
2758 UNUSED GLint height
)
2761 if (internalFormat
== GL_RGBA16F_ARB
||
2762 internalFormat
== GL_RGBA32F_ARB
) {
2763 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2766 else if (internalFormat
== GL_RGB16F_ARB
||
2767 internalFormat
== GL_RGB32F_ARB
) {
2768 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2771 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2772 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2773 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2774 return GL_LUMINANCE_ALPHA
;
2776 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2777 internalFormat
== GL_LUMINANCE32F_ARB
) {
2778 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2779 return GL_LUMINANCE
;
2781 else if (internalFormat
== GL_ALPHA16F_ARB
||
2782 internalFormat
== GL_ALPHA32F_ARB
) {
2783 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2787 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2788 internalFormat = GL_RGBA;
2792 return internalFormat
;
2795 return internalFormat
;
2801 * Choose the actual hardware format for a texture image.
2802 * Try to use the same format as the previous image level when possible.
2803 * Otherwise, ask the driver for the best format.
2804 * It's important to try to choose a consistant format for all levels
2805 * for efficient texture memory layout/allocation. In particular, this
2806 * comes up during automatic mipmap generation.
2809 _mesa_choose_texture_format(struct gl_context
*ctx
,
2810 struct gl_texture_object
*texObj
,
2811 GLenum target
, GLint level
,
2812 GLenum internalFormat
, GLenum format
, GLenum type
)
2816 /* see if we've already chosen a format for the previous level */
2818 struct gl_texture_image
*prevImage
=
2819 _mesa_select_tex_image(texObj
, target
, level
- 1);
2820 /* See if the prev level is defined and has an internal format which
2821 * matches the new internal format.
2824 prevImage
->Width
> 0 &&
2825 prevImage
->InternalFormat
== internalFormat
) {
2826 /* use the same format */
2827 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2828 return prevImage
->TexFormat
;
2832 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2834 assert(f
!= MESA_FORMAT_NONE
);
2840 * Adjust pixel unpack params and image dimensions to strip off the
2841 * one-pixel texture border.
2843 * Gallium and intel don't support texture borders. They've seldem been used
2844 * and seldom been implemented correctly anyway.
2846 * \param unpackNew returns the new pixel unpack parameters
2849 strip_texture_border(GLenum target
,
2850 GLint
*width
, GLint
*height
, GLint
*depth
,
2851 const struct gl_pixelstore_attrib
*unpack
,
2852 struct gl_pixelstore_attrib
*unpackNew
)
2858 *unpackNew
= *unpack
;
2860 if (unpackNew
->RowLength
== 0)
2861 unpackNew
->RowLength
= *width
;
2863 if (unpackNew
->ImageHeight
== 0)
2864 unpackNew
->ImageHeight
= *height
;
2866 assert(*width
>= 3);
2867 unpackNew
->SkipPixels
++; /* skip the border */
2868 *width
= *width
- 2; /* reduce the width by two border pixels */
2870 /* The min height of a texture with a border is 3 */
2871 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2872 unpackNew
->SkipRows
++; /* skip the border */
2873 *height
= *height
- 2; /* reduce the height by two border pixels */
2877 target
!= GL_TEXTURE_2D_ARRAY
&&
2878 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2879 unpackNew
->SkipImages
++; /* skip the border */
2880 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2886 * Common code to implement all the glTexImage1D/2D/3D functions
2887 * as well as glCompressedTexImage1D/2D/3D.
2888 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2889 * \param format the user's image format (only used if !compressed)
2890 * \param type the user's image type (only used if !compressed)
2891 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2893 static ALWAYS_INLINE
void
2894 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2895 GLenum target
, GLint level
, GLint internalFormat
,
2896 GLsizei width
, GLsizei height
, GLsizei depth
,
2897 GLint border
, GLenum format
, GLenum type
,
2898 GLsizei imageSize
, const GLvoid
*pixels
, bool no_error
)
2900 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2901 struct gl_pixelstore_attrib unpack_no_border
;
2902 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2903 struct gl_texture_object
*texObj
;
2904 mesa_format texFormat
;
2905 bool dimensionsOK
= true, sizeOK
= true;
2907 FLUSH_VERTICES(ctx
, 0);
2909 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2912 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2914 _mesa_enum_to_string(target
), level
,
2915 _mesa_enum_to_string(internalFormat
),
2916 width
, height
, depth
, border
, pixels
);
2919 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2921 _mesa_enum_to_string(target
), level
,
2922 _mesa_enum_to_string(internalFormat
),
2923 width
, height
, depth
, border
,
2924 _mesa_enum_to_string(format
),
2925 _mesa_enum_to_string(type
), pixels
);
2928 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2931 /* target error checking */
2932 if (!legal_teximage_target(ctx
, dims
, target
)) {
2933 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2934 func
, dims
, _mesa_enum_to_string(target
));
2938 /* general error checking */
2940 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
2942 width
, height
, depth
,
2943 border
, imageSize
, pixels
))
2946 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2947 format
, type
, width
, height
, depth
, border
,
2953 /* Here we convert a cpal compressed image into a regular glTexImage2D
2954 * call by decompressing the texture. If we really want to support cpal
2955 * textures in any driver this would have to be changed.
2957 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
2958 switch (internalFormat
) {
2959 case GL_PALETTE4_RGB8_OES
:
2960 case GL_PALETTE4_RGBA8_OES
:
2961 case GL_PALETTE4_R5_G6_B5_OES
:
2962 case GL_PALETTE4_RGBA4_OES
:
2963 case GL_PALETTE4_RGB5_A1_OES
:
2964 case GL_PALETTE8_RGB8_OES
:
2965 case GL_PALETTE8_RGBA8_OES
:
2966 case GL_PALETTE8_R5_G6_B5_OES
:
2967 case GL_PALETTE8_RGBA4_OES
:
2968 case GL_PALETTE8_RGB5_A1_OES
:
2969 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
2970 width
, height
, imageSize
, pixels
);
2975 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2979 /* For glCompressedTexImage() the driver has no choice about the
2980 * texture format since we'll never transcode the user's compressed
2981 * image data. The internalFormat was error checked earlier.
2983 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
2986 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
2987 * internal floating point format for the given base format.
2989 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
2990 if (type
== GL_FLOAT
) {
2991 texObj
->_IsFloat
= GL_TRUE
;
2992 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
2993 texObj
->_IsHalfFloat
= GL_TRUE
;
2996 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
2999 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3000 internalFormat
, format
, type
);
3003 assert(texFormat
!= MESA_FORMAT_NONE
);
3006 /* check that width, height, depth are legal for the mipmap level */
3007 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3008 height
, depth
, border
);
3010 /* check that the texture won't take too much memory, etc */
3011 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3012 0, level
, texFormat
, 1,
3013 width
, height
, depth
);
3016 if (_mesa_is_proxy_texture(target
)) {
3017 /* Proxy texture: just clear or set state depending on error checking */
3018 struct gl_texture_image
*texImage
=
3019 get_proxy_tex_image(ctx
, target
, level
);
3022 return; /* GL_OUT_OF_MEMORY already recorded */
3024 if (dimensionsOK
&& sizeOK
) {
3025 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3026 border
, internalFormat
, texFormat
);
3029 clear_teximage_fields(texImage
);
3033 /* non-proxy target */
3034 const GLuint face
= _mesa_tex_target_to_face(target
);
3035 struct gl_texture_image
*texImage
;
3037 if (!dimensionsOK
) {
3038 _mesa_error(ctx
, GL_INVALID_VALUE
,
3039 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3040 func
, dims
, width
, height
, depth
);
3045 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3046 "%s%uD(image too large: %d x %d x %d, %s format)",
3047 func
, dims
, width
, height
, depth
,
3048 _mesa_enum_to_string(internalFormat
));
3052 /* Allow a hardware driver to just strip out the border, to provide
3053 * reliable but slightly incorrect hardware rendering instead of
3054 * rarely-tested software fallback rendering.
3056 if (border
&& ctx
->Const
.StripTextureBorder
) {
3057 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3060 unpack
= &unpack_no_border
;
3063 if (ctx
->NewState
& _NEW_PIXEL
)
3064 _mesa_update_state(ctx
);
3066 _mesa_lock_texture(ctx
, texObj
);
3068 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3071 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3074 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3076 _mesa_init_teximage_fields(ctx
, texImage
,
3077 width
, height
, depth
,
3078 border
, internalFormat
, texFormat
);
3080 /* Give the texture to the driver. <pixels> may be null. */
3081 if (width
> 0 && height
> 0 && depth
> 0) {
3083 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3087 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3088 type
, pixels
, unpack
);
3092 check_gen_mipmap(ctx
, target
, texObj
, level
);
3094 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3096 _mesa_dirty_texobj(ctx
, texObj
);
3099 _mesa_unlock_texture(ctx
, texObj
);
3104 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3105 * logic to be inlined without inlining the function into all the callers.
3108 teximage_err(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3109 GLenum target
, GLint level
, GLint internalFormat
,
3110 GLsizei width
, GLsizei height
, GLsizei depth
,
3111 GLint border
, GLenum format
, GLenum type
,
3112 GLsizei imageSize
, const GLvoid
*pixels
)
3114 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3115 depth
, border
, format
, type
, imageSize
, pixels
, false);
3120 teximage_no_error(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3121 GLenum target
, GLint level
, GLint internalFormat
,
3122 GLsizei width
, GLsizei height
, GLsizei depth
,
3123 GLint border
, GLenum format
, GLenum type
,
3124 GLsizei imageSize
, const GLvoid
*pixels
)
3126 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3127 depth
, border
, format
, type
, imageSize
, pixels
, true);
3132 * Called from the API. Note that width includes the border.
3135 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3136 GLsizei width
, GLint border
, GLenum format
,
3137 GLenum type
, const GLvoid
*pixels
)
3139 GET_CURRENT_CONTEXT(ctx
);
3140 teximage_err(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3141 border
, format
, type
, 0, pixels
);
3146 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3147 GLsizei width
, GLsizei height
, GLint border
,
3148 GLenum format
, GLenum type
,
3149 const GLvoid
*pixels
)
3151 GET_CURRENT_CONTEXT(ctx
);
3152 teximage_err(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3153 border
, format
, type
, 0, pixels
);
3158 * Called by the API or display list executor.
3159 * Note that width and height include the border.
3162 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3163 GLsizei width
, GLsizei height
, GLsizei depth
,
3164 GLint border
, GLenum format
, GLenum type
,
3165 const GLvoid
*pixels
)
3167 GET_CURRENT_CONTEXT(ctx
);
3168 teximage_err(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3169 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3174 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3175 GLsizei width
, GLsizei height
, GLsizei depth
,
3176 GLint border
, GLenum format
, GLenum type
,
3177 const GLvoid
*pixels
)
3179 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3180 depth
, border
, format
, type
, pixels
);
3185 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3186 GLsizei width
, GLint border
, GLenum format
,
3187 GLenum type
, const GLvoid
*pixels
)
3189 GET_CURRENT_CONTEXT(ctx
);
3190 teximage_no_error(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1,
3191 1, border
, format
, type
, 0, pixels
);
3196 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3197 GLsizei width
, GLsizei height
, GLint border
,
3198 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3200 GET_CURRENT_CONTEXT(ctx
);
3201 teximage_no_error(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
,
3202 height
, 1, border
, format
, type
, 0, pixels
);
3207 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3208 GLsizei width
, GLsizei height
, GLsizei depth
,
3209 GLint border
, GLenum format
, GLenum type
,
3210 const GLvoid
*pixels
)
3212 GET_CURRENT_CONTEXT(ctx
);
3213 teximage_no_error(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3214 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3219 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3221 struct gl_texture_object
*texObj
;
3222 struct gl_texture_image
*texImage
;
3224 GET_CURRENT_CONTEXT(ctx
);
3225 FLUSH_VERTICES(ctx
, 0);
3229 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3231 case GL_TEXTURE_EXTERNAL_OES
:
3233 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3236 valid_target
= false;
3240 if (!valid_target
) {
3241 _mesa_error(ctx
, GL_INVALID_ENUM
,
3242 "glEGLImageTargetTexture2D(target=%d)", target
);
3247 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3248 "glEGLImageTargetTexture2D(image=%p)", image
);
3252 if (ctx
->NewState
& _NEW_PIXEL
)
3253 _mesa_update_state(ctx
);
3255 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3259 _mesa_lock_texture(ctx
, texObj
);
3261 if (texObj
->Immutable
) {
3262 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3263 "glEGLImageTargetTexture2D(texture is immutable)");
3264 _mesa_unlock_texture(ctx
, texObj
);
3268 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3270 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3272 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3274 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3275 texObj
, texImage
, image
);
3277 _mesa_dirty_texobj(ctx
, texObj
);
3279 _mesa_unlock_texture(ctx
, texObj
);
3284 * Helper that implements the glTexSubImage1/2/3D()
3285 * and glTextureSubImage1/2/3D() functions.
3288 texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3289 struct gl_texture_object
*texObj
,
3290 struct gl_texture_image
*texImage
,
3291 GLenum target
, GLint level
,
3292 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3293 GLsizei width
, GLsizei height
, GLsizei depth
,
3294 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3296 FLUSH_VERTICES(ctx
, 0);
3298 if (ctx
->NewState
& _NEW_PIXEL
)
3299 _mesa_update_state(ctx
);
3301 _mesa_lock_texture(ctx
, texObj
);
3303 if (width
> 0 && height
> 0 && depth
> 0) {
3304 /* If we have a border, offset=-1 is legal. Bias by border width. */
3307 if (target
!= GL_TEXTURE_2D_ARRAY
)
3308 zoffset
+= texImage
->Border
;
3311 if (target
!= GL_TEXTURE_1D_ARRAY
)
3312 yoffset
+= texImage
->Border
;
3315 xoffset
+= texImage
->Border
;
3318 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3319 xoffset
, yoffset
, zoffset
,
3320 width
, height
, depth
,
3321 format
, type
, pixels
, &ctx
->Unpack
);
3323 check_gen_mipmap(ctx
, target
, texObj
, level
);
3325 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3326 * the texel data, not the texture format, size, etc.
3330 _mesa_unlock_texture(ctx
, texObj
);
3334 * Implement all the glTexSubImage1/2/3D() functions.
3335 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3338 texsubimage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3339 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3340 GLsizei width
, GLsizei height
, GLsizei depth
,
3341 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3342 const char *callerName
)
3344 struct gl_texture_object
*texObj
;
3345 struct gl_texture_image
*texImage
;
3347 /* check target (proxies not allowed) */
3348 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3349 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3350 dims
, _mesa_enum_to_string(target
));
3354 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3358 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3359 xoffset
, yoffset
, zoffset
,
3360 width
, height
, depth
, format
, type
,
3361 pixels
, callerName
)) {
3362 return; /* error was detected */
3365 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3366 /* texsubimage_error_check ensures that texImage is not NULL */
3368 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3369 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3371 _mesa_enum_to_string(target
), level
,
3372 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3373 _mesa_enum_to_string(format
),
3374 _mesa_enum_to_string(type
), pixels
);
3376 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3377 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3378 format
, type
, pixels
);
3383 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3384 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3385 GLsizei width
, GLsizei height
, GLsizei depth
,
3386 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3388 struct gl_texture_object
*texObj
;
3389 struct gl_texture_image
*texImage
;
3391 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3392 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3394 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3395 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3396 format
, type
, pixels
);
3401 * Implement all the glTextureSubImage1/2/3D() functions.
3402 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3404 static ALWAYS_INLINE
void
3405 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3406 GLuint texture
, GLint level
,
3407 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3408 GLsizei width
, GLsizei height
, GLsizei depth
,
3409 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3410 const char *callerName
, bool no_error
)
3412 struct gl_texture_object
*texObj
;
3413 struct gl_texture_image
*texImage
;
3416 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3418 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3419 dims
, texture
, level
,
3420 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3421 _mesa_enum_to_string(format
),
3422 _mesa_enum_to_string(type
), pixels
);
3424 /* Get the texture object by Name. */
3426 texObj
= _mesa_lookup_texture_err(ctx
, texture
, callerName
);
3430 texObj
= _mesa_lookup_texture(ctx
, texture
);
3434 /* check target (proxies not allowed) */
3435 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3436 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3437 callerName
, _mesa_enum_to_string(texObj
->Target
));
3441 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3442 xoffset
, yoffset
, zoffset
,
3443 width
, height
, depth
, format
, type
,
3444 pixels
, callerName
)) {
3445 return; /* error was detected */
3449 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3450 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3454 * What do we do if the user created a texture with the following code
3455 * and then called this function with its handle?
3458 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3459 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3460 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3461 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3462 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3463 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3464 * // wrong format, or given the wrong size, etc.
3465 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3466 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3468 * A bug has been filed against the spec for this case. In the
3469 * meantime, we will check for cube completeness.
3471 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3472 * Core Profile spec (30.10.2014):
3473 * "[A] cube map texture is cube complete if the
3474 * following conditions all hold true: The [base level] texture
3475 * images of each of the six cube map faces have identical, positive,
3476 * and square dimensions. The [base level] images were each specified
3477 * with the same internal format."
3479 * It seems reasonable to check for cube completeness of an arbitrary
3480 * level here so that the image data has a consistent format and size.
3482 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
3483 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3484 "glTextureSubImage%uD(cube map incomplete)",
3489 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3491 /* Copy in each face. */
3492 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3493 texImage
= texObj
->Image
[i
][level
];
3496 texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3497 level
, xoffset
, yoffset
, 0,
3498 width
, height
, 1, format
,
3500 pixels
= (GLubyte
*) pixels
+ imageStride
;
3504 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3507 texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3508 level
, xoffset
, yoffset
, zoffset
,
3509 width
, height
, depth
, format
,
3516 texturesubimage_error(struct gl_context
*ctx
, GLuint dims
,
3517 GLuint texture
, GLint level
,
3518 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3519 GLsizei width
, GLsizei height
, GLsizei depth
,
3520 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3521 const char *callerName
)
3523 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3524 width
, height
, depth
, format
, type
, pixels
, callerName
,
3530 texturesubimage_no_error(struct gl_context
*ctx
, GLuint dims
,
3531 GLuint texture
, GLint level
,
3532 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3533 GLsizei width
, GLsizei height
, GLsizei depth
,
3534 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3535 const char *callerName
)
3537 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3538 width
, height
, depth
, format
, type
, pixels
, callerName
,
3544 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
,
3545 GLint xoffset
, GLsizei width
,
3546 GLenum format
, GLenum type
,
3547 const GLvoid
*pixels
)
3549 GET_CURRENT_CONTEXT(ctx
);
3550 texsubimage(ctx
, 1, target
, level
,
3553 format
, type
, pixels
);
3558 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3559 GLint xoffset
, GLsizei width
,
3560 GLenum format
, GLenum type
,
3561 const GLvoid
*pixels
)
3563 GET_CURRENT_CONTEXT(ctx
);
3564 texsubimage_err(ctx
, 1, target
, level
,
3567 format
, type
, pixels
, "glTexSubImage1D");
3572 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
3573 GLint xoffset
, GLint yoffset
,
3574 GLsizei width
, GLsizei height
,
3575 GLenum format
, GLenum type
,
3576 const GLvoid
*pixels
)
3578 GET_CURRENT_CONTEXT(ctx
);
3579 texsubimage(ctx
, 2, target
, level
,
3580 xoffset
, yoffset
, 0,
3582 format
, type
, pixels
);
3587 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3588 GLint xoffset
, GLint yoffset
,
3589 GLsizei width
, GLsizei height
,
3590 GLenum format
, GLenum type
,
3591 const GLvoid
*pixels
)
3593 GET_CURRENT_CONTEXT(ctx
);
3594 texsubimage_err(ctx
, 2, target
, level
,
3595 xoffset
, yoffset
, 0,
3597 format
, type
, pixels
, "glTexSubImage2D");
3602 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
3603 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3604 GLsizei width
, GLsizei height
, GLsizei depth
,
3605 GLenum format
, GLenum type
,
3606 const GLvoid
*pixels
)
3608 GET_CURRENT_CONTEXT(ctx
);
3609 texsubimage(ctx
, 3, target
, level
,
3610 xoffset
, yoffset
, zoffset
,
3611 width
, height
, depth
,
3612 format
, type
, pixels
);
3617 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3618 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3619 GLsizei width
, GLsizei height
, GLsizei depth
,
3620 GLenum format
, GLenum type
,
3621 const GLvoid
*pixels
)
3623 GET_CURRENT_CONTEXT(ctx
);
3624 texsubimage_err(ctx
, 3, target
, level
,
3625 xoffset
, yoffset
, zoffset
,
3626 width
, height
, depth
,
3627 format
, type
, pixels
, "glTexSubImage3D");
3632 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3633 GLsizei width
, GLenum format
, GLenum type
,
3634 const GLvoid
*pixels
)
3636 GET_CURRENT_CONTEXT(ctx
);
3637 texturesubimage_no_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3638 format
, type
, pixels
, "glTextureSubImage1D");
3643 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3644 GLint xoffset
, GLsizei width
,
3645 GLenum format
, GLenum type
,
3646 const GLvoid
*pixels
)
3648 GET_CURRENT_CONTEXT(ctx
);
3649 texturesubimage_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3650 format
, type
, pixels
, "glTextureSubImage1D");
3655 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3656 GLint yoffset
, GLsizei width
, GLsizei height
,
3657 GLenum format
, GLenum type
,
3658 const GLvoid
*pixels
)
3660 GET_CURRENT_CONTEXT(ctx
);
3661 texturesubimage_no_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3662 height
, 1, format
, type
, pixels
,
3663 "glTextureSubImage2D");
3668 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3669 GLint xoffset
, GLint yoffset
,
3670 GLsizei width
, GLsizei height
,
3671 GLenum format
, GLenum type
,
3672 const GLvoid
*pixels
)
3674 GET_CURRENT_CONTEXT(ctx
);
3675 texturesubimage_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3676 height
, 1, format
, type
, pixels
,
3677 "glTextureSubImage2D");
3682 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3683 GLint yoffset
, GLint zoffset
, GLsizei width
,
3684 GLsizei height
, GLsizei depth
, GLenum format
,
3685 GLenum type
, const GLvoid
*pixels
)
3687 GET_CURRENT_CONTEXT(ctx
);
3688 texturesubimage_no_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3689 width
, height
, depth
, format
, type
, pixels
,
3690 "glTextureSubImage3D");
3695 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3696 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3697 GLsizei width
, GLsizei height
, GLsizei depth
,
3698 GLenum format
, GLenum type
,
3699 const GLvoid
*pixels
)
3701 GET_CURRENT_CONTEXT(ctx
);
3702 texturesubimage_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3703 width
, height
, depth
, format
, type
, pixels
,
3704 "glTextureSubImage3D");
3709 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3710 * from. This depends on whether the texture contains color or depth values.
3712 static struct gl_renderbuffer
*
3713 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3715 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3716 /* reading from depth/stencil buffer */
3717 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3718 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3719 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3721 /* copying from color buffer */
3722 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3728 copytexsubimage_by_slice(struct gl_context
*ctx
,
3729 struct gl_texture_image
*texImage
,
3731 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3732 struct gl_renderbuffer
*rb
,
3734 GLsizei width
, GLsizei height
)
3736 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3739 /* For 1D arrays, we copy each scanline of the source rectangle into the
3742 assert(zoffset
== 0);
3744 for (slice
= 0; slice
< height
; slice
++) {
3745 assert(yoffset
+ slice
< texImage
->Height
);
3746 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3747 xoffset
, 0, yoffset
+ slice
,
3748 rb
, x
, y
+ slice
, width
, 1);
3751 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3752 xoffset
, yoffset
, zoffset
,
3753 rb
, x
, y
, width
, height
);
3759 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3761 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3762 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3763 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3764 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3766 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3767 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3768 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3769 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3771 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3772 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3773 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3774 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3782 * Check if the given texture format and size arguments match those
3783 * of the texture image.
3784 * \param return true if arguments match, false otherwise.
3787 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
3788 GLenum internalFormat
,
3789 mesa_format texFormat
, GLsizei width
,
3790 GLsizei height
, GLint border
)
3792 if (texImage
->InternalFormat
!= internalFormat
)
3794 if (texImage
->TexFormat
!= texFormat
)
3796 if (texImage
->Border
!= border
)
3798 if (texImage
->Width2
!= width
)
3800 if (texImage
->Height2
!= height
)
3807 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
3810 copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3811 struct gl_texture_object
*texObj
,
3812 GLenum target
, GLint level
,
3813 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3814 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3816 struct gl_texture_image
*texImage
;
3818 _mesa_lock_texture(ctx
, texObj
);
3820 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3822 /* If we have a border, offset=-1 is legal. Bias by border width. */
3825 if (target
!= GL_TEXTURE_2D_ARRAY
)
3826 zoffset
+= texImage
->Border
;
3829 if (target
!= GL_TEXTURE_1D_ARRAY
)
3830 yoffset
+= texImage
->Border
;
3833 xoffset
+= texImage
->Border
;
3836 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3838 struct gl_renderbuffer
*srcRb
=
3839 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3841 copytexsubimage_by_slice(ctx
, texImage
, dims
, xoffset
, yoffset
, zoffset
,
3842 srcRb
, x
, y
, width
, height
);
3844 check_gen_mipmap(ctx
, target
, texObj
, level
);
3846 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3847 * the texel data, not the texture format, size, etc.
3851 _mesa_unlock_texture(ctx
, texObj
);
3856 copy_texture_sub_image_err(struct gl_context
*ctx
, GLuint dims
,
3857 struct gl_texture_object
*texObj
,
3858 GLenum target
, GLint level
,
3859 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3860 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
3863 FLUSH_VERTICES(ctx
, 0);
3865 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3866 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
3867 _mesa_enum_to_string(target
),
3868 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3870 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3871 _mesa_update_state(ctx
);
3873 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3874 xoffset
, yoffset
, zoffset
,
3875 width
, height
, caller
)) {
3879 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3880 zoffset
, x
, y
, width
, height
);
3885 copy_texture_sub_image_no_error(struct gl_context
*ctx
, GLuint dims
,
3886 struct gl_texture_object
*texObj
,
3887 GLenum target
, GLint level
,
3888 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3889 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3891 FLUSH_VERTICES(ctx
, 0);
3893 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3894 _mesa_update_state(ctx
);
3896 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3897 zoffset
, x
, y
, width
, height
);
3902 * Implement the glCopyTexImage1/2D() functions.
3904 static ALWAYS_INLINE
void
3905 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3906 GLenum target
, GLint level
, GLenum internalFormat
,
3907 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
,
3910 struct gl_texture_image
*texImage
;
3911 struct gl_texture_object
*texObj
;
3912 mesa_format texFormat
;
3914 FLUSH_VERTICES(ctx
, 0);
3916 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3917 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3919 _mesa_enum_to_string(target
), level
,
3920 _mesa_enum_to_string(internalFormat
),
3921 x
, y
, width
, height
, border
);
3923 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3924 _mesa_update_state(ctx
);
3927 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3931 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3933 _mesa_error(ctx
, GL_INVALID_VALUE
,
3934 "glCopyTexImage%uD(invalid width=%d or height=%d)",
3935 dims
, width
, height
);
3940 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3943 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3944 internalFormat
, GL_NONE
, GL_NONE
);
3946 /* First check if reallocating the texture buffer can be avoided.
3947 * Without the realloc the copy can be 20x faster.
3949 _mesa_lock_texture(ctx
, texObj
);
3951 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3952 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
3953 width
, height
, border
)) {
3954 _mesa_unlock_texture(ctx
, texObj
);
3956 copy_texture_sub_image_no_error(ctx
, dims
, texObj
, target
, level
, 0,
3957 0, 0, x
, y
, width
, height
);
3959 copy_texture_sub_image_err(ctx
, dims
, texObj
, target
, level
, 0, 0,
3960 0, x
, y
, width
, height
,"CopyTexImage");
3965 _mesa_unlock_texture(ctx
, texObj
);
3966 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
3967 "can't avoid reallocating texture storage\n");
3969 if (!no_error
&& _mesa_is_gles3(ctx
)) {
3970 struct gl_renderbuffer
*rb
=
3971 _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3973 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3974 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3975 * OpenGL ES 3.0. Khronos bug# 9807.
3977 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3978 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3979 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3980 " and writing to unsized internal format)", dims
);
3984 /* From Page 139 of OpenGL ES 3.0 spec:
3985 * "If internalformat is sized, the internal format of the new texel
3986 * array is internalformat, and this is also the new texel array’s
3987 * effective internal format. If the component sizes of internalformat
3988 * do not exactly match the corresponding component sizes of the source
3989 * buffer’s effective internal format, described below, an
3990 * INVALID_OPERATION error is generated. If internalformat is unsized,
3991 * the internal format of the new texel array is the effective internal
3992 * format of the source buffer, and this is also the new texel array’s
3993 * effective internal format.
3995 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3996 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3997 "glCopyTexImage%uD(component size changed in"
3998 " internal format)", dims
);
4003 assert(texFormat
!= MESA_FORMAT_NONE
);
4005 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
4006 0, level
, texFormat
, 1,
4007 width
, height
, 1)) {
4008 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
4009 "glCopyTexImage%uD(image too large)", dims
);
4013 if (border
&& ctx
->Const
.StripTextureBorder
) {
4015 width
-= border
* 2;
4018 height
-= border
* 2;
4023 _mesa_lock_texture(ctx
, texObj
);
4025 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
4028 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
4031 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
4032 const GLuint face
= _mesa_tex_target_to_face(target
);
4034 /* Free old texture image */
4035 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4037 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4038 border
, internalFormat
, texFormat
);
4040 if (width
&& height
) {
4041 /* Allocate texture memory (no pixel data yet) */
4042 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4044 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4046 struct gl_renderbuffer
*srcRb
=
4047 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4049 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4051 srcRb
, srcX
, srcY
, width
, height
);
4054 check_gen_mipmap(ctx
, target
, texObj
, level
);
4057 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4059 _mesa_dirty_texobj(ctx
, texObj
);
4062 _mesa_unlock_texture(ctx
, texObj
);
4067 copyteximage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4068 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4069 GLsizei width
, GLsizei height
, GLint border
)
4071 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4077 copyteximage_no_error(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4078 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4079 GLsizei width
, GLsizei height
, GLint border
)
4081 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4087 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4088 GLenum internalFormat
,
4090 GLsizei width
, GLint border
)
4092 GET_CURRENT_CONTEXT(ctx
);
4093 copyteximage_err(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4099 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4100 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4103 GET_CURRENT_CONTEXT(ctx
);
4104 copyteximage_err(ctx
, 2, target
, level
, internalFormat
,
4105 x
, y
, width
, height
, border
);
4110 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4111 GLint x
, GLint y
, GLsizei width
, GLint border
)
4113 GET_CURRENT_CONTEXT(ctx
);
4114 copyteximage_no_error(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4120 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4121 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4124 GET_CURRENT_CONTEXT(ctx
);
4125 copyteximage_no_error(ctx
, 2, target
, level
, internalFormat
,
4126 x
, y
, width
, height
, border
);
4131 _mesa_CopyTexSubImage1D(GLenum target
, GLint level
,
4132 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4134 struct gl_texture_object
* texObj
;
4135 const char *self
= "glCopyTexSubImage1D";
4136 GET_CURRENT_CONTEXT(ctx
);
4138 /* Check target (proxies not allowed). Target must be checked prior to
4139 * calling _mesa_get_current_tex_object.
4141 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4142 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4143 _mesa_enum_to_string(target
));
4147 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4151 copy_texture_sub_image_err(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4152 x
, y
, width
, 1, self
);
4157 _mesa_CopyTexSubImage2D(GLenum target
, GLint level
,
4158 GLint xoffset
, GLint yoffset
,
4159 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4161 struct gl_texture_object
* texObj
;
4162 const char *self
= "glCopyTexSubImage2D";
4163 GET_CURRENT_CONTEXT(ctx
);
4165 /* Check target (proxies not allowed). Target must be checked prior to
4166 * calling _mesa_get_current_tex_object.
4168 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4169 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4170 _mesa_enum_to_string(target
));
4174 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4178 copy_texture_sub_image_err(ctx
, 2, texObj
, target
, level
, xoffset
, yoffset
,
4179 0, x
, y
, width
, height
, self
);
4184 _mesa_CopyTexSubImage3D(GLenum target
, GLint level
,
4185 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4186 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4188 struct gl_texture_object
* texObj
;
4189 const char *self
= "glCopyTexSubImage3D";
4190 GET_CURRENT_CONTEXT(ctx
);
4192 /* Check target (proxies not allowed). Target must be checked prior to
4193 * calling _mesa_get_current_tex_object.
4195 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4196 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4197 _mesa_enum_to_string(target
));
4201 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4205 copy_texture_sub_image_err(ctx
, 3, texObj
, target
, level
, xoffset
, yoffset
,
4206 zoffset
, x
, y
, width
, height
, self
);
4211 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4212 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4214 struct gl_texture_object
* texObj
;
4215 const char *self
= "glCopyTextureSubImage1D";
4216 GET_CURRENT_CONTEXT(ctx
);
4218 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4222 /* Check target (proxies not allowed). */
4223 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4224 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4225 _mesa_enum_to_string(texObj
->Target
));
4229 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4230 0, x
, y
, width
, 1, self
);
4235 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4236 GLint xoffset
, GLint yoffset
,
4237 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4239 struct gl_texture_object
* texObj
;
4240 const char *self
= "glCopyTextureSubImage2D";
4241 GET_CURRENT_CONTEXT(ctx
);
4243 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4247 /* Check target (proxies not allowed). */
4248 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4249 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4250 _mesa_enum_to_string(texObj
->Target
));
4254 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4255 yoffset
, 0, x
, y
, width
, height
, self
);
4260 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4261 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4262 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4264 struct gl_texture_object
* texObj
;
4265 const char *self
= "glCopyTextureSubImage3D";
4266 GET_CURRENT_CONTEXT(ctx
);
4268 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4272 /* Check target (proxies not allowed). */
4273 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4274 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4275 _mesa_enum_to_string(texObj
->Target
));
4279 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4280 /* Act like CopyTexSubImage2D */
4281 copy_texture_sub_image_err(ctx
, 2, texObj
,
4282 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4283 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4287 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4288 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4293 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4294 GLint x
, GLint y
, GLsizei width
)
4296 GET_CURRENT_CONTEXT(ctx
);
4298 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4299 copy_texture_sub_image_no_error(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4305 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4306 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
4309 GET_CURRENT_CONTEXT(ctx
);
4311 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4312 copy_texture_sub_image_no_error(ctx
, 2, texObj
, target
, level
, xoffset
,
4313 yoffset
, 0, x
, y
, width
, height
);
4318 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4319 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
4320 GLsizei width
, GLsizei height
)
4322 GET_CURRENT_CONTEXT(ctx
);
4324 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4325 copy_texture_sub_image_no_error(ctx
, 3, texObj
, target
, level
, xoffset
,
4326 yoffset
, zoffset
, x
, y
, width
, height
);
4331 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4332 GLint x
, GLint y
, GLsizei width
)
4334 GET_CURRENT_CONTEXT(ctx
);
4336 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4337 copy_texture_sub_image_no_error(ctx
, 1, texObj
, texObj
->Target
, level
,
4338 xoffset
, 0, 0, x
, y
, width
, 1);
4343 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4344 GLint yoffset
, GLint x
, GLint y
,
4345 GLsizei width
, GLsizei height
)
4347 GET_CURRENT_CONTEXT(ctx
);
4349 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4350 copy_texture_sub_image_no_error(ctx
, 2, texObj
, texObj
->Target
, level
,
4351 xoffset
, yoffset
, 0, x
, y
, width
, height
);
4356 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4357 GLint yoffset
, GLint zoffset
, GLint x
,
4358 GLint y
, GLsizei width
, GLsizei height
)
4360 GET_CURRENT_CONTEXT(ctx
);
4362 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4363 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4364 /* Act like CopyTexSubImage2D */
4365 copy_texture_sub_image_no_error(ctx
, 2, texObj
,
4366 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4367 level
, xoffset
, yoffset
, 0, x
, y
, width
,
4371 copy_texture_sub_image_no_error(ctx
, 3, texObj
, texObj
->Target
, level
,
4372 xoffset
, yoffset
, zoffset
, x
, y
, width
,
4378 check_clear_tex_image(struct gl_context
*ctx
,
4379 const char *function
,
4380 struct gl_texture_image
*texImage
,
4381 GLenum format
, GLenum type
,
4383 GLubyte
*clearValue
)
4385 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4386 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4387 GLenum internalFormat
= texImage
->InternalFormat
;
4390 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4391 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4392 "%s(buffer texture)", function
);
4396 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4397 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4398 "%s(compressed texture)", function
);
4402 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4403 if (err
!= GL_NO_ERROR
) {
4404 _mesa_error(ctx
, err
,
4405 "%s(incompatible format = %s, type = %s)",
4407 _mesa_enum_to_string(format
),
4408 _mesa_enum_to_string(type
));
4412 /* make sure internal format and format basically agree */
4413 if (!texture_formats_agree(internalFormat
, format
)) {
4414 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4415 "%s(incompatible internalFormat = %s, format = %s)",
4417 _mesa_enum_to_string(internalFormat
),
4418 _mesa_enum_to_string(format
));
4422 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4423 /* both source and dest must be integer-valued, or neither */
4424 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4425 _mesa_is_enum_format_integer(format
)) {
4426 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4427 "%s(integer/non-integer format mismatch)",
4433 if (!_mesa_texstore(ctx
,
4435 texImage
->_BaseFormat
,
4436 texImage
->TexFormat
,
4437 0, /* dstRowStride */
4439 1, 1, 1, /* srcWidth/Height/Depth */
4441 data
? data
: zeroData
,
4442 &ctx
->DefaultPacking
)) {
4443 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4451 static struct gl_texture_object
*
4452 get_tex_obj_for_clear(struct gl_context
*ctx
,
4453 const char *function
,
4456 struct gl_texture_object
*texObj
;
4458 texObj
= _mesa_lookup_texture_err(ctx
, texture
, function
);
4462 if (texObj
->Target
== 0) {
4463 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4472 * For clearing cube textures, the zoffset and depth parameters indicate
4473 * which cube map faces are to be cleared. This is the one case where we
4474 * need to be concerned with multiple gl_texture_images. This function
4475 * returns the array of texture images to clear for cube maps, or one
4476 * texture image otherwise.
4477 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
4480 get_tex_images_for_clear(struct gl_context
*ctx
,
4481 const char *function
,
4482 struct gl_texture_object
*texObj
,
4484 struct gl_texture_image
**texImages
)
4489 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4490 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4494 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4495 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
4496 numFaces
= MAX_FACES
;
4499 target
= texObj
->Target
;
4503 for (i
= 0; i
< numFaces
; i
++) {
4504 texImages
[i
] = _mesa_select_tex_image(texObj
, target
+ i
, level
);
4505 if (texImages
[i
] == NULL
) {
4506 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4516 _mesa_ClearTexSubImage(GLuint texture
, GLint level
,
4517 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4518 GLsizei width
, GLsizei height
, GLsizei depth
,
4519 GLenum format
, GLenum type
, const void *data
)
4521 GET_CURRENT_CONTEXT(ctx
);
4522 struct gl_texture_object
*texObj
;
4523 struct gl_texture_image
*texImages
[MAX_FACES
];
4524 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4526 int minDepth
, maxDepth
;
4528 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4533 _mesa_lock_texture(ctx
, texObj
);
4535 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4536 texObj
, level
, texImages
);
4540 if (numImages
== 1) {
4541 minDepth
= -(int) texImages
[0]->Border
;
4542 maxDepth
= texImages
[0]->Depth
;
4544 assert(numImages
== MAX_FACES
);
4546 maxDepth
= numImages
;
4549 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4550 yoffset
< -(GLint
) texImages
[0]->Border
||
4551 zoffset
< minDepth
||
4555 xoffset
+ width
> texImages
[0]->Width
||
4556 yoffset
+ height
> texImages
[0]->Height
||
4557 zoffset
+ depth
> maxDepth
) {
4558 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4559 "glClearSubTexImage(invalid dimensions)");
4563 if (numImages
== 1) {
4564 if (check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[0],
4565 format
, type
, data
, clearValue
[0])) {
4566 ctx
->Driver
.ClearTexSubImage(ctx
,
4568 xoffset
, yoffset
, zoffset
,
4569 width
, height
, depth
,
4570 data
? clearValue
[0] : NULL
);
4573 /* loop over cube face images */
4574 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4575 assert(i
< MAX_FACES
);
4576 if (!check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[i
],
4577 format
, type
, data
, clearValue
[i
]))
4580 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4581 ctx
->Driver
.ClearTexSubImage(ctx
,
4583 xoffset
, yoffset
, 0,
4585 data
? clearValue
[i
] : NULL
);
4590 _mesa_unlock_texture(ctx
, texObj
);
4595 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4596 GLenum format
, GLenum type
, const void *data
)
4598 GET_CURRENT_CONTEXT(ctx
);
4599 struct gl_texture_object
*texObj
;
4600 struct gl_texture_image
*texImages
[MAX_FACES
];
4601 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4604 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4609 _mesa_lock_texture(ctx
, texObj
);
4611 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4612 texObj
, level
, texImages
);
4614 for (i
= 0; i
< numImages
; i
++) {
4615 if (!check_clear_tex_image(ctx
, "glClearTexImage", texImages
[i
], format
,
4616 type
, data
, clearValue
[i
]))
4620 for (i
= 0; i
< numImages
; i
++) {
4621 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4622 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4623 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4624 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4625 texImages
[i
]->Width
,
4626 texImages
[i
]->Height
,
4627 texImages
[i
]->Depth
,
4628 data
? clearValue
[i
] : NULL
);
4632 _mesa_unlock_texture(ctx
, texObj
);
4638 /**********************************************************************/
4639 /****** Compressed Textures ******/
4640 /**********************************************************************/
4644 * Target checking for glCompressedTexSubImage[123]D().
4645 * \return GL_TRUE if error, GL_FALSE if no error
4646 * Must come before other error checking so that the texture object can
4647 * be correctly retrieved using _mesa_get_current_tex_object.
4650 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4651 GLint dims
, GLenum intFormat
, bool dsa
,
4656 enum mesa_format_layout layout
;
4658 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4659 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4660 _mesa_enum_to_string(target
));
4670 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4671 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4672 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4673 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4674 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4675 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4676 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4679 targetOK
= GL_FALSE
;
4685 case GL_TEXTURE_CUBE_MAP
:
4686 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4688 case GL_TEXTURE_2D_ARRAY
:
4689 targetOK
= _mesa_is_gles3(ctx
) ||
4690 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4692 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4693 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
4698 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4700 * "An INVALID_OPERATION error is generated by
4701 * CompressedTex*SubImage3D if the internal format of the texture
4702 * is one of the EAC, ETC2, or RGTC formats and either border is
4703 * non-zero, or the effective target for the texture is not
4704 * TEXTURE_2D_ARRAY."
4706 * NOTE: that's probably a spec error. It should probably say
4707 * "... or the effective target for the texture is not
4708 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4709 * GL_TEXTURE_CUBE_MAP_ARRAY."
4710 * since those targets are 2D images and they support all compression
4713 * Instead of listing all these, just list those which are allowed,
4714 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4715 * more) are valid here, which they are not, but of course not
4716 * mentioned by core spec.
4718 * Also, from GL_KHR_texture_compression_astc_{hdr,ldr}:
4720 * "Add a second new column "3D Tex." which is empty for all non-ASTC
4721 * formats. If only the LDR profile is supported by the implementation,
4722 * this column is also empty for all ASTC formats. If both the LDR and HDR
4723 * profiles are supported, this column is checked for all ASTC formats."
4725 * "An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
4726 * <format> is one of the formats in table 8.19 and <target> is not
4727 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY, or TEXTURE_3D.
4729 * An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
4730 * <format> is TEXTURE_CUBE_MAP_ARRAY and the "Cube Map Array" column of
4731 * table 8.19 is *not* checked, or if <format> is TEXTURE_3D and the "3D
4732 * Tex." column of table 8.19 is *not* checked"
4734 * And from GL_KHR_texture_compression_astc_sliced_3d:
4736 * "Modify the "3D Tex." column to be checked for all ASTC formats."
4738 format
= _mesa_glenum_to_compressed_format(intFormat
);
4739 layout
= _mesa_get_format_layout(format
);
4741 case MESA_FORMAT_LAYOUT_BPTC
:
4744 case MESA_FORMAT_LAYOUT_ASTC
:
4746 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
4747 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
4750 /* invalid format */
4751 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4752 "%s(invalid target %s for format %s)", caller
,
4753 _mesa_enum_to_string(target
),
4754 _mesa_enum_to_string(intFormat
));
4759 targetOK
= GL_FALSE
;
4765 /* no 1D compressed textures at this time */
4766 targetOK
= GL_FALSE
;
4771 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4772 _mesa_enum_to_string(target
));
4780 * Error checking for glCompressedTexSubImage[123]D().
4781 * \return GL_TRUE if error, GL_FALSE if no error
4784 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4785 const struct gl_texture_object
*texObj
,
4786 GLenum target
, GLint level
,
4787 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4788 GLsizei width
, GLsizei height
, GLsizei depth
,
4789 GLenum format
, GLsizei imageSize
,
4790 const GLvoid
*data
, const char *callerName
)
4792 struct gl_texture_image
*texImage
;
4795 /* this will catch any invalid compressed format token */
4796 if (!_mesa_is_compressed_format(ctx
, format
)) {
4797 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(format)", callerName
);
4801 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4802 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
4806 /* validate the bound PBO, if any */
4807 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4808 imageSize
, data
, callerName
)) {
4812 /* Check for invalid pixel storage modes */
4813 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4814 &ctx
->Unpack
, callerName
)) {
4818 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4819 if (expectedSize
!= imageSize
) {
4820 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", callerName
, imageSize
);
4824 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4826 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
4831 if ((GLint
) format
!= texImage
->InternalFormat
) {
4832 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s)",
4833 callerName
, _mesa_enum_to_string(format
));
4837 if (compressedteximage_only_format(format
)) {
4838 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s cannot be updated)",
4839 callerName
, _mesa_enum_to_string(format
));
4843 if (error_check_subtexture_negative_dimensions(ctx
, dims
, width
, height
,
4844 depth
, callerName
)) {
4848 if (error_check_subtexture_dimensions(ctx
, dims
, texImage
, xoffset
, yoffset
,
4849 zoffset
, width
, height
, depth
,
4859 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4860 GLenum internalFormat
, GLsizei width
,
4861 GLint border
, GLsizei imageSize
,
4864 GET_CURRENT_CONTEXT(ctx
);
4865 teximage_err(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4866 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4871 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4872 GLenum internalFormat
, GLsizei width
,
4873 GLsizei height
, GLint border
, GLsizei imageSize
,
4876 GET_CURRENT_CONTEXT(ctx
);
4877 teximage_err(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4878 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4883 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4884 GLenum internalFormat
, GLsizei width
,
4885 GLsizei height
, GLsizei depth
, GLint border
,
4886 GLsizei imageSize
, const GLvoid
*data
)
4888 GET_CURRENT_CONTEXT(ctx
);
4889 teximage_err(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
, height
,
4890 depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4895 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
4896 GLenum internalFormat
, GLsizei width
,
4897 GLint border
, GLsizei imageSize
,
4900 GET_CURRENT_CONTEXT(ctx
);
4901 teximage_no_error(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
, width
, 1,
4902 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4907 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
4908 GLenum internalFormat
, GLsizei width
,
4909 GLsizei height
, GLint border
,
4910 GLsizei imageSize
, const GLvoid
*data
)
4912 GET_CURRENT_CONTEXT(ctx
);
4913 teximage_no_error(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
, width
,
4914 height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4919 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
4920 GLenum internalFormat
, GLsizei width
,
4921 GLsizei height
, GLsizei depth
, GLint border
,
4922 GLsizei imageSize
, const GLvoid
*data
)
4924 GET_CURRENT_CONTEXT(ctx
);
4925 teximage_no_error(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
,
4926 height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4931 * Common helper for glCompressedTexSubImage1/2/3D() and
4932 * glCompressedTextureSubImage1/2/3D().
4935 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4936 struct gl_texture_object
*texObj
,
4937 struct gl_texture_image
*texImage
,
4938 GLenum target
, GLint level
, GLint xoffset
,
4939 GLint yoffset
, GLint zoffset
, GLsizei width
,
4940 GLsizei height
, GLsizei depth
, GLenum format
,
4941 GLsizei imageSize
, const GLvoid
*data
)
4943 FLUSH_VERTICES(ctx
, 0);
4945 _mesa_lock_texture(ctx
, texObj
);
4947 if (width
> 0 && height
> 0 && depth
> 0) {
4948 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4949 xoffset
, yoffset
, zoffset
,
4950 width
, height
, depth
,
4951 format
, imageSize
, data
);
4953 check_gen_mipmap(ctx
, target
, texObj
, level
);
4955 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4956 * the texel data, not the texture format, size, etc.
4960 _mesa_unlock_texture(ctx
, texObj
);
4964 static ALWAYS_INLINE
void
4965 compressed_tex_sub_image(unsigned dim
, GLenum target
, GLuint texture
,
4966 GLint level
, GLint xoffset
, GLint yoffset
,
4967 GLint zoffset
, GLsizei width
, GLsizei height
,
4968 GLsizei depth
, GLenum format
, GLsizei imageSize
,
4969 const GLvoid
*data
, bool dsa
, bool no_error
,
4972 struct gl_texture_object
*texObj
= NULL
;
4973 struct gl_texture_image
*texImage
;
4975 GET_CURRENT_CONTEXT(ctx
);
4979 texObj
= _mesa_lookup_texture(ctx
, texture
);
4981 texObj
= _mesa_lookup_texture_err(ctx
, texture
, caller
);
4986 target
= texObj
->Target
;
4990 compressed_subtexture_target_check(ctx
, target
, dim
, format
, dsa
,
4996 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4997 if (!no_error
&& !texObj
)
5002 compressed_subtexture_error_check(ctx
, dim
, texObj
, target
, level
,
5003 xoffset
, yoffset
, zoffset
, width
,
5004 height
, depth
, format
,
5005 imageSize
, data
, caller
)) {
5009 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5010 if (dim
== 3 && dsa
&& texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5011 const char *pixels
= data
;
5014 /* Make sure the texture object is a proper cube.
5015 * (See texturesubimage in teximage.c for details on why this check is
5018 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
5019 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5020 "glCompressedTextureSubImage3D(cube map incomplete)");
5024 /* Copy in each face. */
5025 for (int i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
5026 texImage
= texObj
->Image
[i
][level
];
5029 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5030 texObj
->Target
, level
, xoffset
, yoffset
,
5031 0, width
, height
, 1, format
,
5034 /* Compressed images don't have a client format */
5035 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5037 texImage
->Height
, 1);
5039 pixels
+= image_stride
;
5040 imageSize
-= image_stride
;
5043 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
5046 compressed_texture_sub_image(ctx
, dim
, texObj
, texImage
, target
, level
,
5047 xoffset
, yoffset
, zoffset
, width
, height
,
5048 depth
, format
, imageSize
, data
);
5053 compressed_tex_sub_image_error(unsigned dim
, GLenum target
, GLuint texture
,
5054 GLint level
, GLint xoffset
, GLint yoffset
,
5055 GLint zoffset
, GLsizei width
, GLsizei height
,
5056 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5057 const GLvoid
*data
, bool dsa
,
5060 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5061 zoffset
, width
, height
, depth
, format
, imageSize
,
5062 data
, dsa
, false, caller
);
5066 compressed_tex_sub_image_no_error(unsigned dim
, GLenum target
, GLuint texture
,
5067 GLint level
, GLint xoffset
, GLint yoffset
,
5068 GLint zoffset
, GLsizei width
, GLsizei height
,
5069 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5070 const GLvoid
*data
, bool dsa
,
5073 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5074 zoffset
, width
, height
, depth
, format
, imageSize
,
5075 data
, dsa
, true, caller
);
5079 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
5080 GLint xoffset
, GLsizei width
,
5081 GLenum format
, GLsizei imageSize
,
5084 compressed_tex_sub_image_no_error(1, target
, 0, level
, xoffset
, 0, 0, width
,
5085 1, 1, format
, imageSize
, data
, false,
5086 "glCompressedTexSubImage1D");
5091 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
5092 GLsizei width
, GLenum format
,
5093 GLsizei imageSize
, const GLvoid
*data
)
5095 compressed_tex_sub_image_error(1, target
, 0, level
, xoffset
, 0, 0, width
, 1,
5096 1, format
, imageSize
, data
, false,
5097 "glCompressedTexSubImage1D");
5102 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
5103 GLint xoffset
, GLsizei width
,
5104 GLenum format
, GLsizei imageSize
,
5107 compressed_tex_sub_image_no_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5108 1, 1, format
, imageSize
, data
, true,
5109 "glCompressedTextureSubImage1D");
5114 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
5115 GLsizei width
, GLenum format
,
5116 GLsizei imageSize
, const GLvoid
*data
)
5118 compressed_tex_sub_image_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5119 1, 1, format
, imageSize
, data
, true,
5120 "glCompressedTextureSubImage1D");
5124 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
5125 GLint xoffset
, GLint yoffset
,
5126 GLsizei width
, GLsizei height
,
5127 GLenum format
, GLsizei imageSize
,
5130 compressed_tex_sub_image_no_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5131 width
, height
, 1, format
, imageSize
, data
,
5132 false, "glCompressedTexSubImage2D");
5137 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
5138 GLint yoffset
, GLsizei width
, GLsizei height
,
5139 GLenum format
, GLsizei imageSize
,
5142 compressed_tex_sub_image_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5143 width
, height
, 1, format
, imageSize
, data
,
5144 false, "glCompressedTexSubImage2D");
5149 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
5150 GLint xoffset
, GLint yoffset
,
5151 GLsizei width
, GLsizei height
,
5152 GLenum format
, GLsizei imageSize
,
5155 compressed_tex_sub_image_no_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5156 width
, height
, 1, format
, imageSize
, data
,
5157 true, "glCompressedTextureSubImage2D");
5162 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
5164 GLsizei width
, GLsizei height
,
5165 GLenum format
, GLsizei imageSize
,
5168 compressed_tex_sub_image_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5169 width
, height
, 1, format
, imageSize
, data
,
5170 true, "glCompressedTextureSubImage2D");
5174 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
5175 GLint xoffset
, GLint yoffset
,
5176 GLint zoffset
, GLsizei width
,
5177 GLsizei height
, GLsizei depth
,
5178 GLenum format
, GLsizei imageSize
,
5181 compressed_tex_sub_image_no_error(3, target
, 0, level
, xoffset
, yoffset
,
5182 zoffset
, width
, height
, depth
, format
,
5183 imageSize
, data
, false,
5184 "glCompressedTexSubImage3D");
5188 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5189 GLint yoffset
, GLint zoffset
, GLsizei width
,
5190 GLsizei height
, GLsizei depth
, GLenum format
,
5191 GLsizei imageSize
, const GLvoid
*data
)
5193 compressed_tex_sub_image_error(3, target
, 0, level
, xoffset
, yoffset
,
5194 zoffset
, width
, height
, depth
, format
,
5195 imageSize
, data
, false,
5196 "glCompressedTexSubImage3D");
5200 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
5201 GLint xoffset
, GLint yoffset
,
5202 GLint zoffset
, GLsizei width
,
5203 GLsizei height
, GLsizei depth
,
5204 GLenum format
, GLsizei imageSize
,
5207 compressed_tex_sub_image_no_error(3, 0, texture
, level
, xoffset
, yoffset
,
5208 zoffset
, width
, height
, depth
, format
,
5209 imageSize
, data
, true,
5210 "glCompressedTextureSubImage3D");
5214 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5215 GLint yoffset
, GLint zoffset
, GLsizei width
,
5216 GLsizei height
, GLsizei depth
,
5217 GLenum format
, GLsizei imageSize
,
5220 compressed_tex_sub_image_error(3, 0, texture
, level
, xoffset
, yoffset
,
5221 zoffset
, width
, height
, depth
, format
,
5222 imageSize
, data
, true,
5223 "glCompressedTextureSubImage3D");
5227 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5229 if (ctx
->API
== API_OPENGL_COMPAT
) {
5230 switch (internalFormat
) {
5232 return MESA_FORMAT_A_UNORM8
;
5234 return MESA_FORMAT_A_UNORM16
;
5235 case GL_ALPHA16F_ARB
:
5236 return MESA_FORMAT_A_FLOAT16
;
5237 case GL_ALPHA32F_ARB
:
5238 return MESA_FORMAT_A_FLOAT32
;
5239 case GL_ALPHA8I_EXT
:
5240 return MESA_FORMAT_A_SINT8
;
5241 case GL_ALPHA16I_EXT
:
5242 return MESA_FORMAT_A_SINT16
;
5243 case GL_ALPHA32I_EXT
:
5244 return MESA_FORMAT_A_SINT32
;
5245 case GL_ALPHA8UI_EXT
:
5246 return MESA_FORMAT_A_UINT8
;
5247 case GL_ALPHA16UI_EXT
:
5248 return MESA_FORMAT_A_UINT16
;
5249 case GL_ALPHA32UI_EXT
:
5250 return MESA_FORMAT_A_UINT32
;
5252 return MESA_FORMAT_L_UNORM8
;
5253 case GL_LUMINANCE16
:
5254 return MESA_FORMAT_L_UNORM16
;
5255 case GL_LUMINANCE16F_ARB
:
5256 return MESA_FORMAT_L_FLOAT16
;
5257 case GL_LUMINANCE32F_ARB
:
5258 return MESA_FORMAT_L_FLOAT32
;
5259 case GL_LUMINANCE8I_EXT
:
5260 return MESA_FORMAT_L_SINT8
;
5261 case GL_LUMINANCE16I_EXT
:
5262 return MESA_FORMAT_L_SINT16
;
5263 case GL_LUMINANCE32I_EXT
:
5264 return MESA_FORMAT_L_SINT32
;
5265 case GL_LUMINANCE8UI_EXT
:
5266 return MESA_FORMAT_L_UINT8
;
5267 case GL_LUMINANCE16UI_EXT
:
5268 return MESA_FORMAT_L_UINT16
;
5269 case GL_LUMINANCE32UI_EXT
:
5270 return MESA_FORMAT_L_UINT32
;
5271 case GL_LUMINANCE8_ALPHA8
:
5272 return MESA_FORMAT_L8A8_UNORM
;
5273 case GL_LUMINANCE16_ALPHA16
:
5274 return MESA_FORMAT_L16A16_UNORM
;
5275 case GL_LUMINANCE_ALPHA16F_ARB
:
5276 return MESA_FORMAT_LA_FLOAT16
;
5277 case GL_LUMINANCE_ALPHA32F_ARB
:
5278 return MESA_FORMAT_LA_FLOAT32
;
5279 case GL_LUMINANCE_ALPHA8I_EXT
:
5280 return MESA_FORMAT_LA_SINT8
;
5281 case GL_LUMINANCE_ALPHA16I_EXT
:
5282 return MESA_FORMAT_LA_SINT16
;
5283 case GL_LUMINANCE_ALPHA32I_EXT
:
5284 return MESA_FORMAT_LA_SINT32
;
5285 case GL_LUMINANCE_ALPHA8UI_EXT
:
5286 return MESA_FORMAT_LA_UINT8
;
5287 case GL_LUMINANCE_ALPHA16UI_EXT
:
5288 return MESA_FORMAT_LA_UINT16
;
5289 case GL_LUMINANCE_ALPHA32UI_EXT
:
5290 return MESA_FORMAT_LA_UINT32
;
5292 return MESA_FORMAT_I_UNORM8
;
5293 case GL_INTENSITY16
:
5294 return MESA_FORMAT_I_UNORM16
;
5295 case GL_INTENSITY16F_ARB
:
5296 return MESA_FORMAT_I_FLOAT16
;
5297 case GL_INTENSITY32F_ARB
:
5298 return MESA_FORMAT_I_FLOAT32
;
5299 case GL_INTENSITY8I_EXT
:
5300 return MESA_FORMAT_I_SINT8
;
5301 case GL_INTENSITY16I_EXT
:
5302 return MESA_FORMAT_I_SINT16
;
5303 case GL_INTENSITY32I_EXT
:
5304 return MESA_FORMAT_I_SINT32
;
5305 case GL_INTENSITY8UI_EXT
:
5306 return MESA_FORMAT_I_UINT8
;
5307 case GL_INTENSITY16UI_EXT
:
5308 return MESA_FORMAT_I_UINT16
;
5309 case GL_INTENSITY32UI_EXT
:
5310 return MESA_FORMAT_I_UINT32
;
5316 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
5317 _mesa_has_OES_texture_buffer(ctx
)) {
5318 switch (internalFormat
) {
5320 return MESA_FORMAT_RGB_FLOAT32
;
5322 return MESA_FORMAT_RGB_UINT32
;
5324 return MESA_FORMAT_RGB_SINT32
;
5330 switch (internalFormat
) {
5332 return MESA_FORMAT_R8G8B8A8_UNORM
;
5334 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5335 return MESA_FORMAT_NONE
;
5336 return MESA_FORMAT_RGBA_UNORM16
;
5337 case GL_RGBA16F_ARB
:
5338 return MESA_FORMAT_RGBA_FLOAT16
;
5339 case GL_RGBA32F_ARB
:
5340 return MESA_FORMAT_RGBA_FLOAT32
;
5342 return MESA_FORMAT_RGBA_SINT8
;
5343 case GL_RGBA16I_EXT
:
5344 return MESA_FORMAT_RGBA_SINT16
;
5345 case GL_RGBA32I_EXT
:
5346 return MESA_FORMAT_RGBA_SINT32
;
5347 case GL_RGBA8UI_EXT
:
5348 return MESA_FORMAT_RGBA_UINT8
;
5349 case GL_RGBA16UI_EXT
:
5350 return MESA_FORMAT_RGBA_UINT16
;
5351 case GL_RGBA32UI_EXT
:
5352 return MESA_FORMAT_RGBA_UINT32
;
5355 return MESA_FORMAT_R8G8_UNORM
;
5357 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5358 return MESA_FORMAT_NONE
;
5359 return MESA_FORMAT_R16G16_UNORM
;
5361 return MESA_FORMAT_RG_FLOAT16
;
5363 return MESA_FORMAT_RG_FLOAT32
;
5365 return MESA_FORMAT_RG_SINT8
;
5367 return MESA_FORMAT_RG_SINT16
;
5369 return MESA_FORMAT_RG_SINT32
;
5371 return MESA_FORMAT_RG_UINT8
;
5373 return MESA_FORMAT_RG_UINT16
;
5375 return MESA_FORMAT_RG_UINT32
;
5378 return MESA_FORMAT_R_UNORM8
;
5380 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5381 return MESA_FORMAT_NONE
;
5382 return MESA_FORMAT_R_UNORM16
;
5384 return MESA_FORMAT_R_FLOAT16
;
5386 return MESA_FORMAT_R_FLOAT32
;
5388 return MESA_FORMAT_R_SINT8
;
5390 return MESA_FORMAT_R_SINT16
;
5392 return MESA_FORMAT_R_SINT32
;
5394 return MESA_FORMAT_R_UINT8
;
5396 return MESA_FORMAT_R_UINT16
;
5398 return MESA_FORMAT_R_UINT32
;
5401 return MESA_FORMAT_NONE
;
5407 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5408 GLenum internalFormat
)
5410 mesa_format format
= _mesa_get_texbuffer_format(ctx
, internalFormat
);
5413 if (format
== MESA_FORMAT_NONE
)
5414 return MESA_FORMAT_NONE
;
5416 datatype
= _mesa_get_format_datatype(format
);
5418 /* The GL_ARB_texture_buffer_object spec says:
5420 * "If ARB_texture_float is not supported, references to the
5421 * floating-point internal formats provided by that extension should be
5422 * removed, and such formats may not be passed to TexBufferARB."
5424 * As a result, GL_HALF_FLOAT internal format depends on both
5425 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5427 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5428 !ctx
->Extensions
.ARB_texture_float
)
5429 return MESA_FORMAT_NONE
;
5431 if (!ctx
->Extensions
.ARB_texture_rg
) {
5432 GLenum base_format
= _mesa_get_format_base_format(format
);
5433 if (base_format
== GL_R
|| base_format
== GL_RG
)
5434 return MESA_FORMAT_NONE
;
5437 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5438 GLenum base_format
= _mesa_get_format_base_format(format
);
5439 if (base_format
== GL_RGB
)
5440 return MESA_FORMAT_NONE
;
5447 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
5448 * and glTextureBufferRange, including some error checking.
5451 texture_buffer_range(struct gl_context
*ctx
,
5452 struct gl_texture_object
*texObj
,
5453 GLenum internalFormat
,
5454 struct gl_buffer_object
*bufObj
,
5455 GLintptr offset
, GLsizeiptr size
,
5458 GLintptr oldOffset
= texObj
->BufferOffset
;
5459 GLsizeiptr oldSize
= texObj
->BufferSize
;
5462 /* NOTE: ARB_texture_buffer_object might not be supported in
5463 * the compatibility profile.
5465 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
5466 !_mesa_has_OES_texture_buffer(ctx
)) {
5467 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5468 "%s(ARB_texture_buffer_object is not"
5469 " implemented for the compatibility profile)", caller
);
5473 if (texObj
->HandleAllocated
) {
5474 /* The ARB_bindless_texture spec says:
5476 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
5477 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
5478 * functions defined in terms of these, if the texture object to be
5479 * modified is referenced by one or more texture or image handles."
5481 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable texture)", caller
);
5485 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5486 if (format
== MESA_FORMAT_NONE
) {
5487 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
5488 caller
, _mesa_enum_to_string(internalFormat
));
5492 FLUSH_VERTICES(ctx
, 0);
5494 _mesa_lock_texture(ctx
, texObj
);
5496 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5497 texObj
->BufferObjectFormat
= internalFormat
;
5498 texObj
->_BufferObjectFormat
= format
;
5499 texObj
->BufferOffset
= offset
;
5500 texObj
->BufferSize
= size
;
5502 _mesa_unlock_texture(ctx
, texObj
);
5504 if (ctx
->Driver
.TexParameter
) {
5505 if (offset
!= oldOffset
) {
5506 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
5508 if (size
!= oldSize
) {
5509 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
5513 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5516 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5522 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5523 * Return true if it is, and return false if it is not
5524 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5525 * core spec, 02.02.2015, PDF page 245).
5528 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5531 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5532 _mesa_error(ctx
, GL_INVALID_ENUM
,
5533 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5541 * Check for errors related to the texture buffer range.
5542 * Return false if errors are found, true if none are found.
5545 check_texture_buffer_range(struct gl_context
*ctx
,
5546 struct gl_buffer_object
*bufObj
,
5547 GLintptr offset
, GLsizeiptr size
,
5550 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5551 * Textures (PDF page 245):
5552 * "An INVALID_VALUE error is generated if offset is negative, if
5553 * size is less than or equal to zero, or if offset + size is greater
5554 * than the value of BUFFER_SIZE for the buffer bound to target."
5557 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5563 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5568 if (offset
+ size
> bufObj
->Size
) {
5569 _mesa_error(ctx
, GL_INVALID_VALUE
,
5570 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5571 (int) offset
, (int) size
, (int) bufObj
->Size
);
5575 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5576 * Textures (PDF page 245):
5577 * "An INVALID_VALUE error is generated if offset is not an integer
5578 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5580 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5581 _mesa_error(ctx
, GL_INVALID_VALUE
,
5582 "%s(invalid offset alignment)", caller
);
5590 /** GL_ARB_texture_buffer_object */
5592 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5594 struct gl_texture_object
*texObj
;
5595 struct gl_buffer_object
*bufObj
;
5597 GET_CURRENT_CONTEXT(ctx
);
5599 /* Need to catch a bad target before it gets to
5600 * _mesa_get_current_tex_object.
5602 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5606 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5612 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5616 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5617 buffer
? -1 : 0, "glTexBuffer");
5621 /** GL_ARB_texture_buffer_range */
5623 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5624 GLintptr offset
, GLsizeiptr size
)
5626 struct gl_texture_object
*texObj
;
5627 struct gl_buffer_object
*bufObj
;
5629 GET_CURRENT_CONTEXT(ctx
);
5631 /* Need to catch a bad target before it gets to
5632 * _mesa_get_current_tex_object.
5634 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5638 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5642 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5643 "glTexBufferRange"))
5647 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5648 * Textures (PDF page 254):
5649 * "If buffer is zero, then any buffer object attached to the buffer
5650 * texture is detached, the values offset and size are ignored and
5651 * the state for offset and size for the buffer texture are reset to
5659 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5663 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5664 offset
, size
, "glTexBufferRange");
5668 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5670 struct gl_texture_object
*texObj
;
5671 struct gl_buffer_object
*bufObj
;
5673 GET_CURRENT_CONTEXT(ctx
);
5676 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5682 /* Get the texture object by Name. */
5683 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5687 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5690 texture_buffer_range(ctx
, texObj
, internalFormat
,
5691 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5695 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5696 GLintptr offset
, GLsizeiptr size
)
5698 struct gl_texture_object
*texObj
;
5699 struct gl_buffer_object
*bufObj
;
5701 GET_CURRENT_CONTEXT(ctx
);
5704 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5705 "glTextureBufferRange");
5709 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5710 "glTextureBufferRange"))
5714 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5715 * Textures (PDF page 254):
5716 * "If buffer is zero, then any buffer object attached to the buffer
5717 * texture is detached, the values offset and size are ignored and
5718 * the state for offset and size for the buffer texture are reset to
5726 /* Get the texture object by Name. */
5727 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5731 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5732 "glTextureBufferRange"))
5735 texture_buffer_range(ctx
, texObj
, internalFormat
,
5736 bufObj
, offset
, size
, "glTextureBufferRange");
5740 _mesa_is_renderable_texture_format(const struct gl_context
*ctx
,
5741 GLenum internalformat
)
5743 /* Everything that is allowed for renderbuffers,
5744 * except for a base format of GL_STENCIL_INDEX, unless supported.
5746 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5747 if (ctx
->Extensions
.ARB_texture_stencil8
)
5748 return baseFormat
!= 0;
5750 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5754 /** GL_ARB_texture_multisample */
5756 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5759 case GL_TEXTURE_2D_MULTISAMPLE
:
5761 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5762 return dims
== 2 && !dsa
;
5763 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5765 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5766 return dims
== 3 && !dsa
;
5774 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5775 struct gl_texture_object
*texObj
,
5776 struct gl_memory_object
*memObj
,
5777 GLenum target
, GLsizei samples
,
5778 GLint internalformat
, GLsizei width
,
5779 GLsizei height
, GLsizei depth
,
5780 GLboolean fixedsamplelocations
,
5781 GLboolean immutable
, GLuint64 offset
,
5784 struct gl_texture_image
*texImage
;
5785 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5786 mesa_format texFormat
;
5787 GLenum sample_count_error
;
5788 bool dsa
= strstr(func
, "ture") ? true : false;
5790 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
5791 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
5792 _mesa_enum_to_string(target
), samples
);
5795 if (!((ctx
->Extensions
.ARB_texture_multisample
5796 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5797 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5802 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5806 if (!check_multisample_target(dims
, target
, dsa
)) {
5807 GLenum err
= dsa
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
5808 _mesa_error(ctx
, err
, "%s(target=%s)", func
,
5809 _mesa_enum_to_string(target
));
5813 /* check that the specified internalformat is color/depth/stencil-renderable;
5814 * refer GL3.1 spec 4.4.4
5817 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5818 _mesa_error(ctx
, GL_INVALID_ENUM
,
5819 "%s(internalformat=%s not legal for immutable-format)",
5820 func
, _mesa_enum_to_string(internalformat
));
5824 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
5825 /* Page 172 of OpenGL ES 3.1 spec says:
5826 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5827 * color-renderable, depth-renderable, or stencil-renderable (as
5828 * defined in section 9.4).
5830 * (Same error is also defined for desktop OpenGL for multisample
5831 * teximage/texstorage functions.)
5833 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5834 _mesa_enum_to_string(internalformat
));
5838 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5839 internalformat
, samples
, samples
);
5840 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5842 /* Page 254 of OpenGL 4.4 spec says:
5843 * "Proxy arrays for two-dimensional multisample and two-dimensional
5844 * multisample array textures are operated on in the same way when
5845 * TexImage2DMultisample is called with target specified as
5846 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5847 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5848 * However, if samples is not supported, then no error is generated.
5850 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5851 _mesa_error(ctx
, sample_count_error
, "%s(samples=%d)", func
, samples
);
5855 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5856 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5857 "%s(texture object 0)",
5862 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5864 if (texImage
== NULL
) {
5865 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5869 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5870 internalformat
, GL_NONE
, GL_NONE
);
5871 assert(texFormat
!= MESA_FORMAT_NONE
);
5873 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5874 width
, height
, depth
, 0);
5876 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
5877 samples
, width
, height
, depth
);
5879 if (_mesa_is_proxy_texture(target
)) {
5880 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5881 _mesa_init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5882 internalformat
, texFormat
,
5883 samples
, fixedsamplelocations
);
5886 /* clear all image fields */
5887 clear_teximage_fields(texImage
);
5891 if (!dimensionsOK
) {
5892 _mesa_error(ctx
, GL_INVALID_VALUE
,
5893 "%s(invalid width=%d or height=%d)", func
, width
, height
);
5898 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5902 /* Check if texObj->Immutable is set */
5903 if (texObj
->Immutable
) {
5904 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5908 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5910 _mesa_init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5911 internalformat
, texFormat
,
5912 samples
, fixedsamplelocations
);
5914 if (width
> 0 && height
> 0 && depth
> 0) {
5916 if (!ctx
->Driver
.SetTextureStorageForMemoryObject(ctx
, texObj
,
5921 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5922 internalformat
, texFormat
);
5925 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5926 width
, height
, depth
)) {
5927 /* tidy up the texture image state. strictly speaking,
5928 * we're allowed to just leave this in whatever state we
5929 * like, but being tidy is good.
5931 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5932 internalformat
, texFormat
);
5937 texObj
->Immutable
|= immutable
;
5940 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5943 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5949 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5950 GLenum internalformat
, GLsizei width
,
5951 GLsizei height
, GLboolean fixedsamplelocations
)
5953 struct gl_texture_object
*texObj
;
5954 GET_CURRENT_CONTEXT(ctx
);
5956 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5960 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5961 internalformat
, width
, height
, 1,
5962 fixedsamplelocations
, GL_FALSE
, 0,
5963 "glTexImage2DMultisample");
5968 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5969 GLenum internalformat
, GLsizei width
,
5970 GLsizei height
, GLsizei depth
,
5971 GLboolean fixedsamplelocations
)
5973 struct gl_texture_object
*texObj
;
5974 GET_CURRENT_CONTEXT(ctx
);
5976 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5980 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5981 internalformat
, width
, height
, depth
,
5982 fixedsamplelocations
, GL_FALSE
, 0,
5983 "glTexImage3DMultisample");
5987 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
5990 GET_CURRENT_CONTEXT(ctx
);
5992 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
5993 _mesa_error(ctx
, GL_INVALID_VALUE
,
5994 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
5995 dims
, width
, height
, depth
);
6002 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
6003 GLenum internalformat
, GLsizei width
,
6004 GLsizei height
, GLboolean fixedsamplelocations
)
6006 struct gl_texture_object
*texObj
;
6007 GET_CURRENT_CONTEXT(ctx
);
6009 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6013 if (!valid_texstorage_ms_parameters(width
, height
, 1, 2))
6016 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
6017 internalformat
, width
, height
, 1,
6018 fixedsamplelocations
, GL_TRUE
, 0,
6019 "glTexStorage2DMultisample");
6023 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
6024 GLenum internalformat
, GLsizei width
,
6025 GLsizei height
, GLsizei depth
,
6026 GLboolean fixedsamplelocations
)
6028 struct gl_texture_object
*texObj
;
6029 GET_CURRENT_CONTEXT(ctx
);
6031 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6035 if (!valid_texstorage_ms_parameters(width
, height
, depth
, 3))
6038 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
6039 internalformat
, width
, height
, depth
,
6040 fixedsamplelocations
, GL_TRUE
, 0,
6041 "glTexStorage3DMultisample");
6045 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
6046 GLenum internalformat
, GLsizei width
,
6048 GLboolean fixedsamplelocations
)
6050 struct gl_texture_object
*texObj
;
6051 GET_CURRENT_CONTEXT(ctx
);
6053 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6054 "glTextureStorage2DMultisample");
6058 if (!valid_texstorage_ms_parameters(width
, height
, 1, 2))
6061 texture_image_multisample(ctx
, 2, texObj
, NULL
, texObj
->Target
,
6062 samples
, internalformat
, width
, height
, 1,
6063 fixedsamplelocations
, GL_TRUE
, 0,
6064 "glTextureStorage2DMultisample");
6068 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
6069 GLenum internalformat
, GLsizei width
,
6070 GLsizei height
, GLsizei depth
,
6071 GLboolean fixedsamplelocations
)
6073 struct gl_texture_object
*texObj
;
6074 GET_CURRENT_CONTEXT(ctx
);
6076 /* Get the texture object by Name. */
6077 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6078 "glTextureStorage3DMultisample");
6082 if (!valid_texstorage_ms_parameters(width
, height
, depth
, 3))
6085 texture_image_multisample(ctx
, 3, texObj
, NULL
, texObj
->Target
, samples
,
6086 internalformat
, width
, height
, depth
,
6087 fixedsamplelocations
, GL_TRUE
, 0,
6088 "glTextureStorage3DMultisample");
6092 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
6093 struct gl_texture_object
*texObj
,
6094 struct gl_memory_object
*memObj
,
6095 GLenum target
, GLsizei samples
,
6096 GLenum internalFormat
, GLsizei width
,
6097 GLsizei height
, GLsizei depth
,
6098 GLboolean fixedSampleLocations
,
6099 GLuint64 offset
, const char* func
)
6103 texture_image_multisample(ctx
, dims
, texObj
, memObj
, target
, samples
,
6104 internalFormat
, width
, height
, depth
,
6105 fixedSampleLocations
, GL_TRUE
, offset
,