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 if (level
>= ctx
->Const
.MaxTextureLevels
)
428 texIndex
= TEXTURE_1D_INDEX
;
430 case GL_PROXY_TEXTURE_2D
:
431 if (level
>= ctx
->Const
.MaxTextureLevels
)
433 texIndex
= TEXTURE_2D_INDEX
;
435 case GL_PROXY_TEXTURE_3D
:
436 if (level
>= ctx
->Const
.Max3DTextureLevels
)
438 texIndex
= TEXTURE_3D_INDEX
;
440 case GL_PROXY_TEXTURE_CUBE_MAP
:
441 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
443 texIndex
= TEXTURE_CUBE_INDEX
;
445 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
448 texIndex
= TEXTURE_RECT_INDEX
;
450 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
451 if (level
>= ctx
->Const
.MaxTextureLevels
)
453 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
455 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
456 if (level
>= ctx
->Const
.MaxTextureLevels
)
458 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
460 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
461 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
463 texIndex
= TEXTURE_CUBE_ARRAY_INDEX
;
465 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
468 texIndex
= TEXTURE_2D_MULTISAMPLE_INDEX
;
470 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
473 texIndex
= TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
;
479 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
481 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
483 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
486 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
487 /* Set the 'back' pointer */
488 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
495 * Get the maximum number of allowed mipmap levels.
497 * \param ctx GL context.
498 * \param target texture target.
500 * \return the maximum number of allowed mipmap levels for the given
501 * texture target, or zero if passed a bad target.
506 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
)
510 case GL_PROXY_TEXTURE_1D
:
512 case GL_PROXY_TEXTURE_2D
:
513 return ctx
->Const
.MaxTextureLevels
;
515 case GL_PROXY_TEXTURE_3D
:
516 return ctx
->Const
.Max3DTextureLevels
;
517 case GL_TEXTURE_CUBE_MAP
:
518 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
519 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
520 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
521 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
522 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
523 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
524 case GL_PROXY_TEXTURE_CUBE_MAP
:
525 return ctx
->Extensions
.ARB_texture_cube_map
526 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
527 case GL_TEXTURE_RECTANGLE_NV
:
528 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
529 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
530 case GL_TEXTURE_1D_ARRAY_EXT
:
531 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
532 case GL_TEXTURE_2D_ARRAY_EXT
:
533 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
534 return ctx
->Extensions
.EXT_texture_array
535 ? ctx
->Const
.MaxTextureLevels
: 0;
536 case GL_TEXTURE_CUBE_MAP_ARRAY
:
537 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
538 return _mesa_has_texture_cube_map_array(ctx
)
539 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
540 case GL_TEXTURE_BUFFER
:
541 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
542 _mesa_has_OES_texture_buffer(ctx
)) ? 1 : 0;
543 case GL_TEXTURE_2D_MULTISAMPLE
:
544 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
545 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
546 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
547 return (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
))
548 && ctx
->Extensions
.ARB_texture_multisample
550 case GL_TEXTURE_EXTERNAL_OES
:
553 return 0; /* bad target */
559 * Return number of dimensions per mipmap level for the given texture target.
562 _mesa_get_texture_dimensions(GLenum target
)
566 case GL_PROXY_TEXTURE_1D
:
569 case GL_TEXTURE_RECTANGLE
:
570 case GL_TEXTURE_CUBE_MAP
:
571 case GL_PROXY_TEXTURE_2D
:
572 case GL_PROXY_TEXTURE_RECTANGLE
:
573 case GL_PROXY_TEXTURE_CUBE_MAP
:
574 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
575 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
576 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
577 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
578 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
579 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
580 case GL_TEXTURE_1D_ARRAY
:
581 case GL_PROXY_TEXTURE_1D_ARRAY
:
582 case GL_TEXTURE_EXTERNAL_OES
:
583 case GL_TEXTURE_2D_MULTISAMPLE
:
584 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
587 case GL_PROXY_TEXTURE_3D
:
588 case GL_TEXTURE_2D_ARRAY
:
589 case GL_PROXY_TEXTURE_2D_ARRAY
:
590 case GL_TEXTURE_CUBE_MAP_ARRAY
:
591 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
592 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
593 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
595 case GL_TEXTURE_BUFFER
:
598 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
606 * Check if a texture target can have more than one layer.
609 _mesa_tex_target_is_layered(GLenum target
)
613 case GL_PROXY_TEXTURE_1D
:
615 case GL_PROXY_TEXTURE_2D
:
616 case GL_TEXTURE_RECTANGLE
:
617 case GL_PROXY_TEXTURE_RECTANGLE
:
618 case GL_TEXTURE_2D_MULTISAMPLE
:
619 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
620 case GL_TEXTURE_BUFFER
:
621 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
622 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
623 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
624 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
625 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
626 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
627 case GL_TEXTURE_EXTERNAL_OES
:
631 case GL_PROXY_TEXTURE_3D
:
632 case GL_TEXTURE_CUBE_MAP
:
633 case GL_PROXY_TEXTURE_CUBE_MAP
:
634 case GL_TEXTURE_1D_ARRAY
:
635 case GL_PROXY_TEXTURE_1D_ARRAY
:
636 case GL_TEXTURE_2D_ARRAY
:
637 case GL_PROXY_TEXTURE_2D_ARRAY
:
638 case GL_TEXTURE_CUBE_MAP_ARRAY
:
639 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
640 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
641 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
645 assert(!"Invalid texture target.");
652 * Return the number of layers present in the given level of an array,
653 * cubemap or 3D texture. If the texture is not layered return zero.
656 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
)
658 assert(level
>= 0 && level
< MAX_TEXTURE_LEVELS
);
660 switch (texObj
->Target
) {
663 case GL_TEXTURE_RECTANGLE
:
664 case GL_TEXTURE_2D_MULTISAMPLE
:
665 case GL_TEXTURE_BUFFER
:
666 case GL_TEXTURE_EXTERNAL_OES
:
669 case GL_TEXTURE_CUBE_MAP
:
672 case GL_TEXTURE_1D_ARRAY
: {
673 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
674 return img
? img
->Height
: 0;
678 case GL_TEXTURE_2D_ARRAY
:
679 case GL_TEXTURE_CUBE_MAP_ARRAY
:
680 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
: {
681 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
682 return img
? img
->Depth
: 0;
686 assert(!"Invalid texture target.");
693 * Return the maximum number of mipmap levels for the given target
694 * and the dimensions.
695 * The dimensions are expected not to include the border.
698 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
705 case GL_TEXTURE_1D_ARRAY
:
706 case GL_PROXY_TEXTURE_1D
:
707 case GL_PROXY_TEXTURE_1D_ARRAY
:
710 case GL_TEXTURE_CUBE_MAP
:
711 case GL_TEXTURE_CUBE_MAP_ARRAY
:
712 case GL_PROXY_TEXTURE_CUBE_MAP
:
713 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
717 case GL_TEXTURE_2D_ARRAY
:
718 case GL_PROXY_TEXTURE_2D
:
719 case GL_PROXY_TEXTURE_2D_ARRAY
:
720 size
= MAX2(width
, height
);
723 case GL_PROXY_TEXTURE_3D
:
724 size
= MAX3(width
, height
, depth
);
726 case GL_TEXTURE_RECTANGLE
:
727 case GL_TEXTURE_EXTERNAL_OES
:
728 case GL_TEXTURE_2D_MULTISAMPLE
:
729 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
730 case GL_PROXY_TEXTURE_RECTANGLE
:
731 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
732 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
739 return _mesa_logbase2(size
) + 1;
743 #if 000 /* not used anymore */
745 * glTexImage[123]D can accept a NULL image pointer. In this case we
746 * create a texture image with unspecified image contents per the OpenGL
750 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
752 const GLint components
= _mesa_components_in_format(format
);
753 const GLint numPixels
= width
* height
* depth
;
754 GLubyte
*data
= (GLubyte
*) malloc(numPixels
* components
* sizeof(GLubyte
));
758 * Let's see if anyone finds this. If glTexImage2D() is called with
759 * a NULL image pointer then load the texture image with something
760 * interesting instead of leaving it indeterminate.
763 static const char message
[8][32] = {
767 " X X XXXX XXX XXXXX ",
770 " X X XXXXX XXX X X ",
774 GLubyte
*imgPtr
= data
;
776 for (h
= 0; h
< depth
; h
++) {
777 for (i
= 0; i
< height
; i
++) {
778 GLint srcRow
= 7 - (i
% 8);
779 for (j
= 0; j
< width
; j
++) {
780 GLint srcCol
= j
% 32;
781 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
782 for (k
= 0; k
< components
; k
++) {
798 * Set the size and format-related fields of a gl_texture_image struct
799 * to zero. This is used when a proxy texture test fails.
802 clear_teximage_fields(struct gl_texture_image
*img
)
805 img
->_BaseFormat
= 0;
806 img
->InternalFormat
= 0;
817 img
->TexFormat
= MESA_FORMAT_NONE
;
819 img
->FixedSampleLocations
= GL_TRUE
;
824 * Initialize basic fields of the gl_texture_image struct.
826 * \param ctx GL context.
827 * \param img texture image structure to be initialized.
828 * \param width image width.
829 * \param height image height.
830 * \param depth image depth.
831 * \param border image border.
832 * \param internalFormat internal format.
833 * \param format the actual hardware format (one of MESA_FORMAT_*)
834 * \param numSamples number of samples per texel, or zero for non-MS.
835 * \param fixedSampleLocations are sample locations fixed?
837 * Fills in the fields of \p img with the given information.
838 * Note: width, height and depth include the border.
841 init_teximage_fields_ms(struct gl_context
*ctx
,
842 struct gl_texture_image
*img
,
843 GLsizei width
, GLsizei height
, GLsizei depth
,
844 GLint border
, GLenum internalFormat
,
846 GLuint numSamples
, GLboolean fixedSampleLocations
)
854 target
= img
->TexObject
->Target
;
855 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
856 assert(img
->_BaseFormat
!= -1);
857 img
->InternalFormat
= internalFormat
;
858 img
->Border
= border
;
860 img
->Height
= height
;
863 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
864 img
->WidthLog2
= _mesa_logbase2(img
->Width2
);
868 case GL_TEXTURE_BUFFER
:
869 case GL_PROXY_TEXTURE_1D
:
881 case GL_TEXTURE_1D_ARRAY
:
882 case GL_PROXY_TEXTURE_1D_ARRAY
:
883 img
->Height2
= height
; /* no border */
884 img
->HeightLog2
= 0; /* not used */
892 case GL_TEXTURE_RECTANGLE
:
893 case GL_TEXTURE_CUBE_MAP
:
894 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
895 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
896 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
897 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
898 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
899 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
900 case GL_TEXTURE_EXTERNAL_OES
:
901 case GL_PROXY_TEXTURE_2D
:
902 case GL_PROXY_TEXTURE_RECTANGLE
:
903 case GL_PROXY_TEXTURE_CUBE_MAP
:
904 case GL_TEXTURE_2D_MULTISAMPLE
:
905 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
906 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
907 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
914 case GL_TEXTURE_2D_ARRAY
:
915 case GL_PROXY_TEXTURE_2D_ARRAY
:
916 case GL_TEXTURE_CUBE_MAP_ARRAY
:
917 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
918 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
919 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
920 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
921 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
922 img
->Depth2
= depth
; /* no border */
923 img
->DepthLog2
= 0; /* not used */
926 case GL_PROXY_TEXTURE_3D
:
927 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
928 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
929 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
930 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
933 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
938 _mesa_get_tex_max_num_levels(target
,
939 img
->Width2
, img
->Height2
, img
->Depth2
);
940 img
->TexFormat
= format
;
941 img
->NumSamples
= numSamples
;
942 img
->FixedSampleLocations
= fixedSampleLocations
;
947 _mesa_init_teximage_fields(struct gl_context
*ctx
,
948 struct gl_texture_image
*img
,
949 GLsizei width
, GLsizei height
, GLsizei depth
,
950 GLint border
, GLenum internalFormat
,
953 init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
954 internalFormat
, format
, 0, GL_TRUE
);
959 * Free and clear fields of the gl_texture_image struct.
961 * \param ctx GL context.
962 * \param texImage texture image structure to be cleared.
964 * After the call, \p texImage will have no data associated with it. Its
965 * fields are cleared so that its parent object will test incomplete.
968 _mesa_clear_texture_image(struct gl_context
*ctx
,
969 struct gl_texture_image
*texImage
)
971 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
972 clear_teximage_fields(texImage
);
977 * Check the width, height, depth and border of a texture image are legal.
978 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
980 * The target and level parameters will have already been validated.
981 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
984 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
985 GLint level
, GLint width
, GLint height
,
986 GLint depth
, GLint border
)
992 case GL_PROXY_TEXTURE_1D
:
993 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1); /* level zero size */
994 maxSize
>>= level
; /* level size */
995 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
997 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
998 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1004 case GL_PROXY_TEXTURE_2D
:
1005 case GL_TEXTURE_2D_MULTISAMPLE
:
1006 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1007 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1009 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1011 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1013 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1014 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1016 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1022 case GL_PROXY_TEXTURE_3D
:
1023 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1025 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1027 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1029 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
1031 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1032 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1034 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1036 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
1041 case GL_TEXTURE_RECTANGLE_NV
:
1042 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1045 maxSize
= ctx
->Const
.MaxTextureRectSize
;
1046 if (width
< 0 || width
> maxSize
)
1048 if (height
< 0 || height
> maxSize
)
1052 case GL_TEXTURE_CUBE_MAP
:
1053 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1054 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1055 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1056 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1057 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1058 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1059 case GL_PROXY_TEXTURE_CUBE_MAP
:
1060 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1062 if (width
!= height
)
1064 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1066 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1068 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1069 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1071 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1076 case GL_TEXTURE_1D_ARRAY_EXT
:
1077 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1078 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1080 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1082 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1084 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1085 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1090 case GL_TEXTURE_2D_ARRAY_EXT
:
1091 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1092 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1093 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1094 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 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
)
1102 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1103 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1105 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1110 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1111 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1112 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1113 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1115 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1117 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1119 if (width
!= height
)
1121 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
1123 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1124 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1126 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1131 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1137 error_check_subtexture_negative_dimensions(struct gl_context
*ctx
,
1146 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width=%d)", func
, subWidth
);
1150 if (dims
> 1 && subHeight
< 0) {
1151 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height=%d)", func
, subHeight
);
1155 if (dims
> 2 && subDepth
< 0) {
1156 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(depth=%d)", func
, subDepth
);
1164 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1165 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1166 * \param destImage the destination texture image.
1167 * \return GL_TRUE if error found, GL_FALSE otherwise.
1170 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1171 const struct gl_texture_image
*destImage
,
1172 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1173 GLsizei subWidth
, GLsizei subHeight
,
1174 GLsizei subDepth
, const char *func
)
1176 const GLenum target
= destImage
->TexObject
->Target
;
1179 /* check xoffset and width */
1180 if (xoffset
< - (GLint
) destImage
->Border
) {
1181 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1185 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1186 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset %d + width %d > %u)", func
,
1187 xoffset
, subWidth
, destImage
->Width
);
1191 /* check yoffset and height */
1193 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1194 if (yoffset
< -yBorder
) {
1195 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1198 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1199 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset %d + height %d > %u)",
1200 func
, yoffset
, subHeight
, destImage
->Height
);
1205 /* check zoffset and depth */
1208 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1209 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1210 0 : destImage
->Border
;
1212 if (zoffset
< -zBorder
) {
1213 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1217 depth
= (GLint
) destImage
->Depth
;
1218 if (target
== GL_TEXTURE_CUBE_MAP
)
1220 if (zoffset
+ subDepth
> depth
) {
1221 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset %d + depth %d > %u)",
1222 func
, zoffset
, subDepth
, depth
);
1228 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1229 * compressed texture images can be updated. But, that restriction may be
1230 * relaxed for particular compressed formats. At this time, all the
1231 * compressed formats supported by Mesa allow sub-textures to be updated
1232 * along compressed block boundaries.
1234 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1236 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1237 /* offset must be multiple of block size */
1238 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1239 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1240 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1241 func
, xoffset
, yoffset
, zoffset
);
1245 /* The size must be a multiple of bw x bh, or we must be using a
1246 * offset+size that exactly hits the edge of the image. This
1247 * is important for small mipmap levels (1x1, 2x1, etc) and for
1250 if ((subWidth
% bw
!= 0) &&
1251 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1252 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1253 "%s(width = %d)", func
, subWidth
);
1257 if ((subHeight
% bh
!= 0) &&
1258 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1259 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1260 "%s(height = %d)", func
, subHeight
);
1264 if ((subDepth
% bd
!= 0) &&
1265 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1266 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1267 "%s(depth = %d)", func
, subDepth
);
1279 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1280 * specific texture image size checks.
1282 * A hardware driver might override this function if, for example, the
1283 * max 3D texture size is 512x512x64 (i.e. not a cube).
1285 * Note that width, height, depth == 0 is not an error. However, a
1286 * texture with zero width/height/depth will be considered "incomplete"
1287 * and texturing will effectively be disabled.
1289 * \param target any texture target/type
1290 * \param numLevels number of mipmap levels in the texture or 0 if not known
1291 * \param level as passed to glTexImage
1292 * \param format the MESA_FORMAT_x for the tex image
1293 * \param numSamples number of samples per texel
1294 * \param width as passed to glTexImage
1295 * \param height as passed to glTexImage
1296 * \param depth as passed to glTexImage
1297 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1300 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1301 GLuint numLevels
, GLint level
,
1302 mesa_format format
, GLuint numSamples
,
1303 GLint width
, GLint height
, GLint depth
)
1305 uint64_t bytes
, mbytes
;
1307 if (numLevels
> 0) {
1308 /* Compute total memory for a whole mipmap. This is the path
1309 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1317 for (l
= 0; l
< numLevels
; l
++) {
1318 GLint nextWidth
, nextHeight
, nextDepth
;
1320 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1322 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1323 &nextWidth
, &nextHeight
,
1326 height
= nextHeight
;
1333 /* We just compute the size of one mipmap level. This is the path
1334 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1336 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1339 bytes
*= _mesa_num_tex_faces(target
);
1340 bytes
*= MAX2(1, numSamples
);
1342 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1344 /* We just check if the image size is less than MaxTextureMbytes.
1345 * Some drivers may do more specific checks.
1347 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1352 * Return true if the format is only valid for glCompressedTexImage.
1355 compressedteximage_only_format(const struct gl_context
*ctx
, GLenum format
)
1358 case GL_PALETTE4_RGB8_OES
:
1359 case GL_PALETTE4_RGBA8_OES
:
1360 case GL_PALETTE4_R5_G6_B5_OES
:
1361 case GL_PALETTE4_RGBA4_OES
:
1362 case GL_PALETTE4_RGB5_A1_OES
:
1363 case GL_PALETTE8_RGB8_OES
:
1364 case GL_PALETTE8_RGBA8_OES
:
1365 case GL_PALETTE8_R5_G6_B5_OES
:
1366 case GL_PALETTE8_RGBA4_OES
:
1367 case GL_PALETTE8_RGB5_A1_OES
:
1375 * Return true if the format doesn't support online compression.
1378 _mesa_format_no_online_compression(const struct gl_context
*ctx
, GLenum format
)
1380 return _mesa_is_astc_format(format
) ||
1381 _mesa_is_etc2_format(format
) ||
1382 compressedteximage_only_format(ctx
, format
);
1385 /* Writes to an GL error pointer if non-null and returns whether or not the
1386 * error is GL_NO_ERROR */
1388 write_error(GLenum
*err_ptr
, GLenum error
)
1393 return error
== GL_NO_ERROR
;
1397 * Helper function to determine whether a target and specific compression
1398 * format are supported. The error parameter returns GL_NO_ERROR if the
1399 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1400 * or GL_INVALID_ENUM, whichever is more appropriate.
1403 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1404 GLenum intFormat
, GLenum
*error
)
1406 GLboolean target_can_be_compresed
= GL_FALSE
;
1407 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1408 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1412 case GL_PROXY_TEXTURE_2D
:
1413 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1415 case GL_PROXY_TEXTURE_CUBE_MAP
:
1416 case GL_TEXTURE_CUBE_MAP
:
1417 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1418 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1419 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1420 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1421 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1422 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1423 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1425 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1426 case GL_TEXTURE_2D_ARRAY_EXT
:
1427 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1429 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1430 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1431 /* From the KHR_texture_compression_astc_hdr spec:
1433 * Add a second new column "3D Tex." which is empty for all non-ASTC
1434 * formats. If only the LDR profile is supported by the
1435 * implementation, this column is also empty for all ASTC formats. If
1436 * both the LDR and HDR profiles are supported only, this column is
1437 * checked for all ASTC formats.
1439 * Add a third new column "Cube Map Array Tex." which is empty for all
1440 * non-ASTC formats, and checked for all ASTC formats.
1444 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1445 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1446 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1447 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1448 * 8.19 is *not* checked'
1450 * The instances of <internalformat> above should say <target>.
1452 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1453 * have already been handled by normal ETC2/EAC behavior.
1456 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1458 * "The ETC2/EAC texture compression algorithm supports only
1459 * two-dimensional images. If internalformat is an ETC2/EAC format,
1460 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1461 * target is not TEXTURE_2D_ARRAY."
1463 * This should also be applicable for glTexStorage3D(). Other available
1464 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1466 * Section 8.7, page 179 of OpenGL ES 3.2 adds:
1468 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1469 * if internalformat is one of the the formats in table 8.17 and target is
1470 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
1472 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1473 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
1474 * Array” column of table 8.17 is not checked, or if internalformat
1475 * is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
1478 * The instances of <internalformat> above should say <target>.
1480 * Such table 8.17 has checked "Cube Map Array" column for all the
1481 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
1483 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
) &&
1484 !_mesa_is_gles32(ctx
))
1485 return write_error(error
, GL_INVALID_OPERATION
);
1486 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1490 case MESA_FORMAT_LAYOUT_ETC2
:
1491 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1492 if (_mesa_is_gles3(ctx
))
1493 return write_error(error
, GL_INVALID_OPERATION
);
1495 case MESA_FORMAT_LAYOUT_BPTC
:
1496 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1498 case MESA_FORMAT_LAYOUT_ASTC
:
1499 target_can_be_compresed
=
1500 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1501 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1503 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1504 * neither of the above extensions are supported. See comment in
1505 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1507 if (!target_can_be_compresed
)
1508 return write_error(error
, GL_INVALID_OPERATION
);
1516 return write_error(error
,
1517 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1522 * Check if the given texture target value is legal for a
1523 * glTexImage1/2/3D call.
1526 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1532 case GL_PROXY_TEXTURE_1D
:
1533 return _mesa_is_desktop_gl(ctx
);
1541 case GL_PROXY_TEXTURE_2D
:
1542 return _mesa_is_desktop_gl(ctx
);
1543 case GL_PROXY_TEXTURE_CUBE_MAP
:
1544 return _mesa_is_desktop_gl(ctx
)
1545 && ctx
->Extensions
.ARB_texture_cube_map
;
1546 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1547 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1548 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1549 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1550 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1551 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1552 return ctx
->Extensions
.ARB_texture_cube_map
;
1553 case GL_TEXTURE_RECTANGLE_NV
:
1554 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1555 return _mesa_is_desktop_gl(ctx
)
1556 && ctx
->Extensions
.NV_texture_rectangle
;
1557 case GL_TEXTURE_1D_ARRAY_EXT
:
1558 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1559 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1567 case GL_PROXY_TEXTURE_3D
:
1568 return _mesa_is_desktop_gl(ctx
);
1569 case GL_TEXTURE_2D_ARRAY_EXT
:
1570 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1571 || _mesa_is_gles3(ctx
);
1572 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1573 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1574 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1575 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1576 return _mesa_has_texture_cube_map_array(ctx
);
1581 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1588 * Check if the given texture target value is legal for a
1589 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1590 * The difference compared to legal_teximage_target() above is that
1591 * proxy targets are not supported.
1594 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1599 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1604 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1605 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1606 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1607 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1608 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1609 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1610 return ctx
->Extensions
.ARB_texture_cube_map
;
1611 case GL_TEXTURE_RECTANGLE_NV
:
1612 return _mesa_is_desktop_gl(ctx
)
1613 && ctx
->Extensions
.NV_texture_rectangle
;
1614 case GL_TEXTURE_1D_ARRAY_EXT
:
1615 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1623 case GL_TEXTURE_2D_ARRAY_EXT
:
1624 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1625 || _mesa_is_gles3(ctx
);
1626 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1627 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1628 return _mesa_has_texture_cube_map_array(ctx
);
1630 /* Table 8.15 of the OpenGL 4.5 core profile spec
1631 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1632 * and CopyTextureSubImage3D.
1634 case GL_TEXTURE_CUBE_MAP
:
1640 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1648 * Helper function to determine if a texture object is mutable (in terms
1649 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1652 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1654 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1658 if (texObj
->HandleAllocated
) {
1659 /* The ARB_bindless_texture spec says:
1661 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1662 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1663 * functions defined in terms of these, if the texture object to be
1664 * modified is referenced by one or more texture or image handles."
1669 return !texObj
->Immutable
;
1674 * Return expected size of a compressed texture.
1677 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1680 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1681 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1685 * Verify that a texture format is valid with a particular target
1687 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1688 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1691 * \param ctx GL context
1692 * \param target Texture target
1693 * \param internalFormat Internal format of the texture image
1695 * \returns true if the combination is legal, false otherwise.
1698 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1699 GLenum target
, GLenum internalFormat
)
1701 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1702 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1703 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1704 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1705 * Profile spec says:
1707 * "Textures with a base internal format of DEPTH_COMPONENT or
1708 * DEPTH_STENCIL are supported by texture image specification
1709 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1710 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1711 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1712 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1713 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1714 * formats in conjunction with any other target will result in an
1715 * INVALID_OPERATION error."
1717 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1718 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1720 if (target
!= GL_TEXTURE_1D
&&
1721 target
!= GL_PROXY_TEXTURE_1D
&&
1722 target
!= GL_TEXTURE_2D
&&
1723 target
!= GL_PROXY_TEXTURE_2D
&&
1724 target
!= GL_TEXTURE_1D_ARRAY
&&
1725 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1726 target
!= GL_TEXTURE_2D_ARRAY
&&
1727 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1728 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1729 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1730 !((_mesa_is_cube_face(target
) ||
1731 target
== GL_TEXTURE_CUBE_MAP
||
1732 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1733 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1734 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1735 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1736 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1737 _mesa_has_texture_cube_map_array(ctx
))) {
1746 texture_formats_agree(GLenum internalFormat
,
1749 GLboolean colorFormat
;
1750 GLboolean is_format_depth_or_depthstencil
;
1751 GLboolean is_internalFormat_depth_or_depthstencil
;
1753 /* Even though there are no color-index textures, we still have to support
1754 * uploading color-index data and remapping it to RGB via the
1755 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1757 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1759 is_internalFormat_depth_or_depthstencil
=
1760 _mesa_is_depth_format(internalFormat
) ||
1761 _mesa_is_depthstencil_format(internalFormat
);
1763 is_format_depth_or_depthstencil
=
1764 _mesa_is_depth_format(format
) ||
1765 _mesa_is_depthstencil_format(format
);
1767 colorFormat
= _mesa_is_color_format(format
);
1769 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1772 if (is_internalFormat_depth_or_depthstencil
!=
1773 is_format_depth_or_depthstencil
)
1776 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1783 * Test the combination of format, type and internal format arguments of
1784 * different texture operations on GLES.
1786 * \param ctx GL context.
1787 * \param format pixel data format given by the user.
1788 * \param type pixel data type given by the user.
1789 * \param internalFormat internal format given by the user.
1790 * \param callerName name of the caller function to print in the error message
1792 * \return true if a error is found, false otherwise
1794 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1797 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1798 GLenum type
, GLenum internalFormat
, const char *callerName
)
1800 GLenum err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
1802 if (err
!= GL_NO_ERROR
) {
1803 _mesa_error(ctx
, err
,
1804 "%s(format = %s, type = %s, internalformat = %s)",
1805 callerName
, _mesa_enum_to_string(format
),
1806 _mesa_enum_to_string(type
),
1807 _mesa_enum_to_string(internalFormat
));
1815 * Test the glTexImage[123]D() parameters for errors.
1817 * \param ctx GL context.
1818 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1819 * \param target texture target given by the user (already validated).
1820 * \param level image level given by the user.
1821 * \param internalFormat internal format given by the user.
1822 * \param format pixel data format given by the user.
1823 * \param type pixel data type given by the user.
1824 * \param width image width given by the user.
1825 * \param height image height given by the user.
1826 * \param depth image depth given by the user.
1827 * \param border image border given by the user.
1829 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1831 * Verifies each of the parameters against the constants specified in
1832 * __struct gl_contextRec::Const and the supported extensions, and according
1833 * to the OpenGL specification.
1834 * Note that we don't fully error-check the width, height, depth values
1835 * here. That's done in _mesa_legal_texture_dimensions() which is used
1836 * by several other GL entrypoints. Plus, texture dims have a special
1837 * interaction with proxy textures.
1840 texture_error_check( struct gl_context
*ctx
,
1841 GLuint dimensions
, GLenum target
,
1842 GLint level
, GLint internalFormat
,
1843 GLenum format
, GLenum type
,
1844 GLint width
, GLint height
,
1845 GLint depth
, GLint border
,
1846 const GLvoid
*pixels
)
1850 /* Note: for proxy textures, some error conditions immediately generate
1851 * a GL error in the usual way. But others do not generate a GL error.
1852 * Instead, they cause the width, height, depth, format fields of the
1853 * texture image to be zeroed-out. The GL spec seems to indicate that the
1854 * zero-out behaviour is only used in cases related to memory allocation.
1858 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1859 _mesa_error(ctx
, GL_INVALID_VALUE
,
1860 "glTexImage%dD(level=%d)", dimensions
, level
);
1865 if (border
< 0 || border
> 1 ||
1866 ((ctx
->API
!= API_OPENGL_COMPAT
||
1867 target
== GL_TEXTURE_RECTANGLE_NV
||
1868 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1869 _mesa_error(ctx
, GL_INVALID_VALUE
,
1870 "glTexImage%dD(border=%d)", dimensions
, border
);
1874 if (width
< 0 || height
< 0 || depth
< 0) {
1875 _mesa_error(ctx
, GL_INVALID_VALUE
,
1876 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1880 /* Check incoming image format and type */
1881 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1882 if (err
!= GL_NO_ERROR
) {
1883 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1884 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1886 * "Specifying a value for internalformat that is not one of the
1887 * above (acceptable) values generates the error INVALID VALUE."
1889 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1890 err
= GL_INVALID_VALUE
;
1892 _mesa_error(ctx
, err
,
1893 "glTexImage%dD(incompatible format = %s, type = %s)",
1894 dimensions
, _mesa_enum_to_string(format
),
1895 _mesa_enum_to_string(type
));
1899 /* Check internalFormat */
1900 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1901 _mesa_error(ctx
, GL_INVALID_VALUE
,
1902 "glTexImage%dD(internalFormat=%s)",
1903 dimensions
, _mesa_enum_to_string(internalFormat
));
1907 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1908 * combinations of format, internalFormat, and type that can be used.
1909 * Formats and types that require additional extensions (e.g., GL_FLOAT
1910 * requires GL_OES_texture_float) are filtered elsewhere.
1912 char bufCallerName
[20];
1913 snprintf(bufCallerName
, 20, "glTexImage%dD", dimensions
);
1914 if (_mesa_is_gles(ctx
) &&
1915 texture_format_error_check_gles(ctx
, format
, type
,
1916 internalFormat
, bufCallerName
)) {
1920 /* validate the bound PBO, if any */
1921 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1922 width
, height
, depth
, format
, type
,
1923 INT_MAX
, pixels
, "glTexImage")) {
1927 /* make sure internal format and format basically agree */
1928 if (!texture_formats_agree(internalFormat
, format
)) {
1929 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1930 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1931 dimensions
, _mesa_enum_to_string(internalFormat
),
1932 _mesa_enum_to_string(format
));
1936 /* additional checks for ycbcr textures */
1937 if (internalFormat
== GL_YCBCR_MESA
) {
1938 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1939 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1940 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1942 _mesa_snprintf(message
, sizeof(message
),
1943 "glTexImage%dD(format/type YCBCR mismatch)",
1945 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1946 return GL_TRUE
; /* error */
1948 if (target
!= GL_TEXTURE_2D
&&
1949 target
!= GL_PROXY_TEXTURE_2D
&&
1950 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1951 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1952 _mesa_error(ctx
, GL_INVALID_ENUM
,
1953 "glTexImage%dD(bad target for YCbCr texture)",
1959 _mesa_snprintf(message
, sizeof(message
),
1960 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1961 dimensions
, border
);
1962 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1967 /* additional checks for depth textures */
1968 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1969 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1970 "glTexImage%dD(bad target for texture)", dimensions
);
1974 /* additional checks for compressed textures */
1975 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1977 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1978 _mesa_error(ctx
, err
,
1979 "glTexImage%dD(target can't be compressed)", dimensions
);
1982 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
1983 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1984 "glTexImage%dD(no compression for format)", dimensions
);
1988 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1989 "glTexImage%dD(border!=0)", dimensions
);
1994 /* additional checks for integer textures */
1995 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1996 (_mesa_is_enum_format_integer(format
) !=
1997 _mesa_is_enum_format_integer(internalFormat
))) {
1998 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1999 "glTexImage%dD(integer/non-integer format mismatch)",
2004 if (!mutable_tex_object(ctx
, target
)) {
2005 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2006 "glTexImage%dD(immutable texture)", dimensions
);
2010 /* if we get here, the parameters are OK */
2016 * Error checking for glCompressedTexImage[123]D().
2017 * Note that the width, height and depth values are not fully error checked
2019 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2022 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2023 GLenum target
, GLint level
,
2024 GLenum internalFormat
, GLsizei width
,
2025 GLsizei height
, GLsizei depth
, GLint border
,
2026 GLsizei imageSize
, const GLvoid
*data
)
2028 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2030 GLenum error
= GL_NO_ERROR
;
2031 char *reason
= ""; /* no error */
2033 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
2038 /* This will detect any invalid internalFormat value */
2039 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2040 _mesa_error(ctx
, GL_INVALID_ENUM
,
2041 "glCompressedTexImage%dD(internalFormat=%s)",
2042 dimensions
, _mesa_enum_to_string(internalFormat
));
2046 /* validate the bound PBO, if any */
2047 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2049 "glCompressedTexImage")) {
2053 switch (internalFormat
) {
2054 case GL_PALETTE4_RGB8_OES
:
2055 case GL_PALETTE4_RGBA8_OES
:
2056 case GL_PALETTE4_R5_G6_B5_OES
:
2057 case GL_PALETTE4_RGBA4_OES
:
2058 case GL_PALETTE4_RGB5_A1_OES
:
2059 case GL_PALETTE8_RGB8_OES
:
2060 case GL_PALETTE8_RGBA8_OES
:
2061 case GL_PALETTE8_R5_G6_B5_OES
:
2062 case GL_PALETTE8_RGBA4_OES
:
2063 case GL_PALETTE8_RGB5_A1_OES
:
2064 /* check level (note that level should be zero or less!) */
2065 if (level
> 0 || level
< -maxLevels
) {
2067 error
= GL_INVALID_VALUE
;
2071 if (dimensions
!= 2) {
2072 reason
= "compressed paletted textures must be 2D";
2073 error
= GL_INVALID_OPERATION
;
2077 /* Figure out the expected texture size (in bytes). This will be
2078 * checked against the actual size later.
2080 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2083 /* This is for the benefit of the TestProxyTexImage below. It expects
2084 * level to be non-negative. OES_compressed_paletted_texture uses a
2085 * weird mechanism where the level specified to glCompressedTexImage2D
2086 * is -(n-1) number of levels in the texture, and the data specifies the
2087 * complete mipmap stack. This is done to ensure the palette is the
2088 * same for all levels.
2095 if (level
< 0 || level
>= maxLevels
) {
2097 error
= GL_INVALID_VALUE
;
2101 /* Figure out the expected texture size (in bytes). This will be
2102 * checked against the actual size later.
2104 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2108 /* This should really never fail */
2109 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2110 reason
= "internalFormat";
2111 error
= GL_INVALID_ENUM
;
2115 /* No compressed formats support borders at this time */
2117 reason
= "border != 0";
2118 error
= GL_INVALID_VALUE
;
2122 /* Check for invalid pixel storage modes */
2123 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2125 "glCompressedTexImage")) {
2129 /* check image size in bytes */
2130 if (expectedSize
!= imageSize
) {
2131 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2132 * if <imageSize> is not consistent with the format, dimensions, and
2133 * contents of the specified image.
2135 reason
= "imageSize inconsistent with width/height/format";
2136 error
= GL_INVALID_VALUE
;
2140 if (!mutable_tex_object(ctx
, target
)) {
2141 reason
= "immutable texture";
2142 error
= GL_INVALID_OPERATION
;
2149 /* Note: not all error paths exit through here. */
2150 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2151 dimensions
, reason
);
2158 * Test glTexSubImage[123]D() parameters for errors.
2160 * \param ctx GL context.
2161 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2162 * \param target texture target given by the user (already validated)
2163 * \param level image level given by the user.
2164 * \param xoffset sub-image x offset given by the user.
2165 * \param yoffset sub-image y offset given by the user.
2166 * \param zoffset sub-image z offset given by the user.
2167 * \param format pixel data format given by the user.
2168 * \param type pixel data type given by the user.
2169 * \param width image width given by the user.
2170 * \param height image height given by the user.
2171 * \param depth image depth given by the user.
2173 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2175 * Verifies each of the parameters against the constants specified in
2176 * __struct gl_contextRec::Const and the supported extensions, and according
2177 * to the OpenGL specification.
2180 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2181 struct gl_texture_object
*texObj
,
2182 GLenum target
, GLint level
,
2183 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2184 GLint width
, GLint height
, GLint depth
,
2185 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2186 bool dsa
, const char *callerName
)
2188 struct gl_texture_image
*texImage
;
2192 /* must be out of memory */
2193 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2198 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2199 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2203 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2204 width
, height
, depth
,
2209 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2211 /* non-existant texture level */
2212 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
2217 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2218 if (err
!= GL_NO_ERROR
) {
2219 _mesa_error(ctx
, err
,
2220 "%s(incompatible format = %s, type = %s)",
2221 callerName
, _mesa_enum_to_string(format
),
2222 _mesa_enum_to_string(type
));
2226 GLenum internalFormat
= _mesa_is_gles(ctx
) ?
2227 oes_float_internal_format(ctx
, texImage
->InternalFormat
, type
) :
2228 texImage
->InternalFormat
;
2230 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2231 * combinations of format, internalFormat, and type that can be used.
2232 * Formats and types that require additional extensions (e.g., GL_FLOAT
2233 * requires GL_OES_texture_float) are filtered elsewhere.
2235 if (_mesa_is_gles(ctx
) &&
2236 texture_format_error_check_gles(ctx
, format
, type
,
2237 internalFormat
, callerName
)) {
2241 /* validate the bound PBO, if any */
2242 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2243 width
, height
, depth
, format
, type
,
2244 INT_MAX
, pixels
, callerName
)) {
2248 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2249 texImage
, xoffset
, yoffset
, zoffset
,
2250 width
, height
, depth
, callerName
)) {
2254 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2255 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2256 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2257 "%s(no compression for format)", callerName
);
2262 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2263 /* both source and dest must be integer-valued, or neither */
2264 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2265 _mesa_is_enum_format_integer(format
)) {
2266 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2267 "%s(integer/non-integer format mismatch)", callerName
);
2277 * Test glCopyTexImage[12]D() parameters for errors.
2279 * \param ctx GL context.
2280 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2281 * \param target texture target given by the user.
2282 * \param level image level given by the user.
2283 * \param internalFormat internal format given by the user.
2284 * \param width image width given by the user.
2285 * \param height image height given by the user.
2286 * \param border texture border.
2288 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2290 * Verifies each of the parameters against the constants specified in
2291 * __struct gl_contextRec::Const and the supported extensions, and according
2292 * to the OpenGL specification.
2295 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2296 GLenum target
, GLint level
, GLint internalFormat
,
2297 GLint width
, GLint height
, GLint border
)
2300 GLint rb_base_format
;
2301 struct gl_renderbuffer
*rb
;
2302 GLenum rb_internal_format
;
2305 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2306 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2307 dimensions
, _mesa_enum_to_string(target
));
2312 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2313 _mesa_error(ctx
, GL_INVALID_VALUE
,
2314 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2318 /* Check that the source buffer is complete */
2319 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2320 if (ctx
->ReadBuffer
->_Status
== 0) {
2321 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2323 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2324 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2325 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2329 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2330 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2331 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2337 if (border
< 0 || border
> 1 ||
2338 ((ctx
->API
!= API_OPENGL_COMPAT
||
2339 target
== GL_TEXTURE_RECTANGLE_NV
||
2340 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2341 _mesa_error(ctx
, GL_INVALID_VALUE
,
2342 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2346 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2349 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2350 switch (internalFormat
) {
2355 case GL_LUMINANCE_ALPHA
:
2358 _mesa_error(ctx
, GL_INVALID_ENUM
,
2359 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2360 _mesa_enum_to_string(internalFormat
));
2365 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2366 * OpenGL 4.5 (Compatibility Profile) spec says:
2368 * "Parameters level, internalformat, and border are specified using
2369 * the same values, with the same meanings, as the corresponding
2370 * arguments of TexImage2D, except that internalformat may not be
2371 * specified as 1, 2, 3, or 4."
2373 if (internalFormat
>= 1 && internalFormat
<= 4) {
2374 _mesa_error(ctx
, GL_INVALID_ENUM
,
2375 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2381 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2382 if (baseFormat
< 0) {
2383 _mesa_error(ctx
, GL_INVALID_ENUM
,
2384 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2385 _mesa_enum_to_string(internalFormat
));
2389 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2391 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2392 "glCopyTexImage%dD(read buffer)", dimensions
);
2396 rb_internal_format
= rb
->InternalFormat
;
2397 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2398 if (_mesa_is_color_format(internalFormat
)) {
2399 if (rb_base_format
< 0) {
2400 _mesa_error(ctx
, GL_INVALID_VALUE
,
2401 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2402 _mesa_enum_to_string(internalFormat
));
2407 if (_mesa_is_gles(ctx
)) {
2409 if (_mesa_base_format_component_count(baseFormat
) >
2410 _mesa_base_format_component_count(rb_base_format
)) {
2413 if (baseFormat
== GL_DEPTH_COMPONENT
||
2414 baseFormat
== GL_DEPTH_STENCIL
||
2415 baseFormat
== GL_STENCIL_INDEX
||
2416 rb_base_format
== GL_DEPTH_COMPONENT
||
2417 rb_base_format
== GL_DEPTH_STENCIL
||
2418 rb_base_format
== GL_STENCIL_INDEX
||
2419 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2420 baseFormat
== GL_ALPHA
) &&
2421 rb_base_format
!= GL_RGBA
) ||
2422 internalFormat
== GL_RGB9_E5
) {
2425 if (internalFormat
== GL_RGB9_E5
) {
2429 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2430 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2431 _mesa_enum_to_string(internalFormat
));
2436 if (_mesa_is_gles3(ctx
)) {
2437 bool rb_is_srgb
= false;
2438 bool dst_is_srgb
= false;
2440 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2441 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2445 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2449 if (rb_is_srgb
!= dst_is_srgb
) {
2450 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2451 * OpenGLES 3.0.0 spec says:
2453 * "The error INVALID_OPERATION is also generated if the
2454 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2455 * framebuffer attachment corresponding to the read buffer
2456 * is LINEAR (see section 6.1.13) and internalformat is
2457 * one of the sRGB formats described in section 3.8.16, or
2458 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2459 * SRGB and internalformat is not one of the sRGB formats."
2461 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2462 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2466 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2467 * types for SNORM formats. Also, conversion to SNORM formats is not
2468 * allowed by Table 3.2 on Page 110.
2470 if (_mesa_is_enum_format_snorm(internalFormat
)) {
2471 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2472 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2473 _mesa_enum_to_string(internalFormat
));
2478 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2479 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2480 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2484 /* From the EXT_texture_integer spec:
2486 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2487 * if the texture internalformat is an integer format and the read color
2488 * buffer is not an integer format, or if the internalformat is not an
2489 * integer format and the read color buffer is an integer format."
2491 if (_mesa_is_color_format(internalFormat
)) {
2492 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2493 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2494 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2495 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2496 if (is_int
|| is_rbint
) {
2497 if (is_int
!= is_rbint
) {
2498 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2499 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2501 } else if (_mesa_is_gles(ctx
) &&
2502 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2503 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2504 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2505 "glCopyTexImage%dD(signed vs unsigned integer)",
2511 /* From page 138 of OpenGL ES 3.0 spec:
2512 * "The error INVALID_OPERATION is generated if floating-point RGBA
2513 * data is required; if signed integer RGBA data is required and the
2514 * format of the current color buffer is not signed integer; if
2515 * unsigned integer RGBA data is required and the format of the
2516 * current color buffer is not unsigned integer; or if fixed-point
2517 * RGBA data is required and the format of the current color buffer
2518 * is not fixed-point.
2520 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2521 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2522 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2525 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2527 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2528 _mesa_error(ctx
, err
,
2529 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2532 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
2533 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2534 "glCopyTexImage%dD(no compression for format)", dimensions
);
2538 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2539 "glCopyTexImage%dD(border!=0)", dimensions
);
2544 if (!mutable_tex_object(ctx
, target
)) {
2545 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2546 "glCopyTexImage%dD(immutable texture)", dimensions
);
2550 /* if we get here, the parameters are OK */
2556 * Test glCopyTexSubImage[12]D() parameters for errors.
2557 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2560 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2561 const struct gl_texture_object
*texObj
,
2562 GLenum target
, GLint level
,
2563 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2564 GLint width
, GLint height
, const char *caller
)
2568 struct gl_texture_image
*texImage
;
2570 /* Check that the source buffer is complete */
2571 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2572 if (ctx
->ReadBuffer
->_Status
== 0) {
2573 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2575 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2576 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2577 "%s(invalid readbuffer)", caller
);
2581 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2582 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2583 "%s(multisample FBO)", caller
);
2589 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2590 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2594 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2596 /* destination image does not exist */
2597 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2598 "%s(invalid texture level %d)", caller
, level
);
2602 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2603 width
, height
, 1, caller
)) {
2607 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2608 xoffset
, yoffset
, zoffset
,
2609 width
, height
, 1, caller
)) {
2613 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2614 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2615 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2616 "%s(no compression for format)", caller
);
2621 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2622 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2626 /* From OpenGL ES 3.2 spec, section 8.6:
2628 * "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
2629 * CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
2630 * texture image being (re)specified is RGB9_E5"
2632 if (texImage
->InternalFormat
== GL_RGB9_E5
&&
2633 !_mesa_is_desktop_gl(ctx
)) {
2634 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2635 "%s(invalid internal format %s)", caller
,
2636 _mesa_enum_to_string(texImage
->InternalFormat
));
2640 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2641 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2642 "%s(missing readbuffer, format=%s)", caller
,
2643 _mesa_enum_to_string(texImage
->_BaseFormat
));
2647 /* From the EXT_texture_integer spec:
2649 * "INVALID_OPERATION is generated by CopyTexImage* and
2650 * CopyTexSubImage* if the texture internalformat is an integer format
2651 * and the read color buffer is not an integer format, or if the
2652 * internalformat is not an integer format and the read color buffer
2653 * is an integer format."
2655 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2656 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2658 if (_mesa_is_format_integer_color(rb
->Format
) !=
2659 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2660 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2661 "%s(integer vs non-integer)", caller
);
2666 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2667 * framebuffer/destination texture base internal format combinations),
2668 * all the entries for stencil are left blank (unsupported).
2670 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2671 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2675 /* if we get here, the parameters are OK */
2680 /** Callback info for walking over FBO hash table */
2683 struct gl_context
*ctx
;
2684 struct gl_texture_object
*texObj
;
2690 * Check render to texture callback. Called from _mesa_HashWalk().
2693 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2695 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2696 const struct cb_info
*info
= (struct cb_info
*) userData
;
2697 struct gl_context
*ctx
= info
->ctx
;
2698 const struct gl_texture_object
*texObj
= info
->texObj
;
2699 const GLuint level
= info
->level
, face
= info
->face
;
2701 /* If this is a user-created FBO */
2702 if (_mesa_is_user_fbo(fb
)) {
2704 /* check if any of the FBO's attachments point to 'texObj' */
2705 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2706 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2707 if (att
->Type
== GL_TEXTURE
&&
2708 att
->Texture
== texObj
&&
2709 att
->TextureLevel
== level
&&
2710 att
->CubeMapFace
== face
) {
2711 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2712 assert(att
->Renderbuffer
->TexImage
);
2713 /* Mark fb status as indeterminate to force re-validation */
2716 /* Make sure that the revalidation actually happens if this is
2717 * being done to currently-bound buffers.
2719 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2720 ctx
->NewState
|= _NEW_BUFFERS
;
2728 * When a texture image is specified we have to check if it's bound to
2729 * any framebuffer objects (render to texture) in order to detect changes
2730 * in size or format since that effects FBO completeness.
2731 * Any FBOs rendering into the texture must be re-validated.
2734 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2735 struct gl_texture_object
*texObj
,
2736 GLuint face
, GLuint level
)
2738 /* Only check this texture if it's been marked as RenderToTexture */
2739 if (texObj
->_RenderToTexture
) {
2740 struct cb_info info
;
2742 info
.texObj
= texObj
;
2745 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2751 * If the texture object's GenerateMipmap flag is set and we've
2752 * changed the texture base level image, regenerate the rest of the
2753 * mipmap levels now.
2756 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2757 struct gl_texture_object
*texObj
, GLint level
)
2759 if (texObj
->GenerateMipmap
&&
2760 level
== texObj
->BaseLevel
&&
2761 level
< texObj
->MaxLevel
) {
2762 assert(ctx
->Driver
.GenerateMipmap
);
2763 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2768 /** Debug helper: override the user-requested internal format */
2770 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2773 if (internalFormat
== GL_RGBA16F_ARB
||
2774 internalFormat
== GL_RGBA32F_ARB
) {
2775 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2778 else if (internalFormat
== GL_RGB16F_ARB
||
2779 internalFormat
== GL_RGB32F_ARB
) {
2780 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2783 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2784 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2785 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2786 return GL_LUMINANCE_ALPHA
;
2788 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2789 internalFormat
== GL_LUMINANCE32F_ARB
) {
2790 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2791 return GL_LUMINANCE
;
2793 else if (internalFormat
== GL_ALPHA16F_ARB
||
2794 internalFormat
== GL_ALPHA32F_ARB
) {
2795 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2799 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2800 internalFormat = GL_RGBA;
2804 return internalFormat
;
2807 return internalFormat
;
2813 * Choose the actual hardware format for a texture image.
2814 * Try to use the same format as the previous image level when possible.
2815 * Otherwise, ask the driver for the best format.
2816 * It's important to try to choose a consistant format for all levels
2817 * for efficient texture memory layout/allocation. In particular, this
2818 * comes up during automatic mipmap generation.
2821 _mesa_choose_texture_format(struct gl_context
*ctx
,
2822 struct gl_texture_object
*texObj
,
2823 GLenum target
, GLint level
,
2824 GLenum internalFormat
, GLenum format
, GLenum type
)
2828 /* see if we've already chosen a format for the previous level */
2830 struct gl_texture_image
*prevImage
=
2831 _mesa_select_tex_image(texObj
, target
, level
- 1);
2832 /* See if the prev level is defined and has an internal format which
2833 * matches the new internal format.
2836 prevImage
->Width
> 0 &&
2837 prevImage
->InternalFormat
== internalFormat
) {
2838 /* use the same format */
2839 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2840 return prevImage
->TexFormat
;
2844 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2846 assert(f
!= MESA_FORMAT_NONE
);
2852 * Adjust pixel unpack params and image dimensions to strip off the
2853 * one-pixel texture border.
2855 * Gallium and intel don't support texture borders. They've seldem been used
2856 * and seldom been implemented correctly anyway.
2858 * \param unpackNew returns the new pixel unpack parameters
2861 strip_texture_border(GLenum target
,
2862 GLint
*width
, GLint
*height
, GLint
*depth
,
2863 const struct gl_pixelstore_attrib
*unpack
,
2864 struct gl_pixelstore_attrib
*unpackNew
)
2870 *unpackNew
= *unpack
;
2872 if (unpackNew
->RowLength
== 0)
2873 unpackNew
->RowLength
= *width
;
2875 if (unpackNew
->ImageHeight
== 0)
2876 unpackNew
->ImageHeight
= *height
;
2878 assert(*width
>= 3);
2879 unpackNew
->SkipPixels
++; /* skip the border */
2880 *width
= *width
- 2; /* reduce the width by two border pixels */
2882 /* The min height of a texture with a border is 3 */
2883 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2884 unpackNew
->SkipRows
++; /* skip the border */
2885 *height
= *height
- 2; /* reduce the height by two border pixels */
2889 target
!= GL_TEXTURE_2D_ARRAY
&&
2890 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2891 unpackNew
->SkipImages
++; /* skip the border */
2892 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2898 * Common code to implement all the glTexImage1D/2D/3D functions
2899 * as well as glCompressedTexImage1D/2D/3D.
2900 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2901 * \param format the user's image format (only used if !compressed)
2902 * \param type the user's image type (only used if !compressed)
2903 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2905 static ALWAYS_INLINE
void
2906 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2907 GLenum target
, GLint level
, GLint internalFormat
,
2908 GLsizei width
, GLsizei height
, GLsizei depth
,
2909 GLint border
, GLenum format
, GLenum type
,
2910 GLsizei imageSize
, const GLvoid
*pixels
, bool no_error
)
2912 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2913 struct gl_pixelstore_attrib unpack_no_border
;
2914 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2915 struct gl_texture_object
*texObj
;
2916 mesa_format texFormat
;
2917 bool dimensionsOK
= true, sizeOK
= true;
2919 FLUSH_VERTICES(ctx
, 0);
2921 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2924 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2926 _mesa_enum_to_string(target
), level
,
2927 _mesa_enum_to_string(internalFormat
),
2928 width
, height
, depth
, border
, pixels
);
2931 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2933 _mesa_enum_to_string(target
), level
,
2934 _mesa_enum_to_string(internalFormat
),
2935 width
, height
, depth
, border
,
2936 _mesa_enum_to_string(format
),
2937 _mesa_enum_to_string(type
), pixels
);
2940 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2943 /* target error checking */
2944 if (!legal_teximage_target(ctx
, dims
, target
)) {
2945 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2946 func
, dims
, _mesa_enum_to_string(target
));
2950 /* general error checking */
2952 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
2954 width
, height
, depth
,
2955 border
, imageSize
, pixels
))
2958 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2959 format
, type
, width
, height
, depth
, border
,
2965 /* Here we convert a cpal compressed image into a regular glTexImage2D
2966 * call by decompressing the texture. If we really want to support cpal
2967 * textures in any driver this would have to be changed.
2969 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
2970 switch (internalFormat
) {
2971 case GL_PALETTE4_RGB8_OES
:
2972 case GL_PALETTE4_RGBA8_OES
:
2973 case GL_PALETTE4_R5_G6_B5_OES
:
2974 case GL_PALETTE4_RGBA4_OES
:
2975 case GL_PALETTE4_RGB5_A1_OES
:
2976 case GL_PALETTE8_RGB8_OES
:
2977 case GL_PALETTE8_RGBA8_OES
:
2978 case GL_PALETTE8_R5_G6_B5_OES
:
2979 case GL_PALETTE8_RGBA4_OES
:
2980 case GL_PALETTE8_RGB5_A1_OES
:
2981 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
2982 width
, height
, imageSize
, pixels
);
2987 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2991 /* For glCompressedTexImage() the driver has no choice about the
2992 * texture format since we'll never transcode the user's compressed
2993 * image data. The internalFormat was error checked earlier.
2995 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
2998 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
2999 * internal floating point format for the given base format.
3001 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
3002 if (type
== GL_FLOAT
) {
3003 texObj
->_IsFloat
= GL_TRUE
;
3004 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
3005 texObj
->_IsHalfFloat
= GL_TRUE
;
3008 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
3011 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3012 internalFormat
, format
, type
);
3015 assert(texFormat
!= MESA_FORMAT_NONE
);
3018 /* check that width, height, depth are legal for the mipmap level */
3019 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3020 height
, depth
, border
);
3022 /* check that the texture won't take too much memory, etc */
3023 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3024 0, level
, texFormat
, 1,
3025 width
, height
, depth
);
3028 if (_mesa_is_proxy_texture(target
)) {
3029 /* Proxy texture: just clear or set state depending on error checking */
3030 struct gl_texture_image
*texImage
=
3031 get_proxy_tex_image(ctx
, target
, level
);
3034 return; /* GL_OUT_OF_MEMORY already recorded */
3036 if (dimensionsOK
&& sizeOK
) {
3037 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3038 border
, internalFormat
, texFormat
);
3041 clear_teximage_fields(texImage
);
3045 /* non-proxy target */
3046 const GLuint face
= _mesa_tex_target_to_face(target
);
3047 struct gl_texture_image
*texImage
;
3049 if (!dimensionsOK
) {
3050 _mesa_error(ctx
, GL_INVALID_VALUE
,
3051 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3052 func
, dims
, width
, height
, depth
);
3057 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3058 "%s%uD(image too large: %d x %d x %d, %s format)",
3059 func
, dims
, width
, height
, depth
,
3060 _mesa_enum_to_string(internalFormat
));
3064 /* Allow a hardware driver to just strip out the border, to provide
3065 * reliable but slightly incorrect hardware rendering instead of
3066 * rarely-tested software fallback rendering.
3068 if (border
&& ctx
->Const
.StripTextureBorder
) {
3069 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3072 unpack
= &unpack_no_border
;
3075 if (ctx
->NewState
& _NEW_PIXEL
)
3076 _mesa_update_state(ctx
);
3078 _mesa_lock_texture(ctx
, texObj
);
3080 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3083 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3086 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3088 _mesa_init_teximage_fields(ctx
, texImage
,
3089 width
, height
, depth
,
3090 border
, internalFormat
, texFormat
);
3092 /* Give the texture to the driver. <pixels> may be null. */
3093 if (width
> 0 && height
> 0 && depth
> 0) {
3095 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3099 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3100 type
, pixels
, unpack
);
3104 check_gen_mipmap(ctx
, target
, texObj
, level
);
3106 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3108 _mesa_dirty_texobj(ctx
, texObj
);
3111 _mesa_unlock_texture(ctx
, texObj
);
3116 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3117 * logic to be inlined without inlining the function into all the callers.
3120 teximage_err(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
, false);
3132 teximage_no_error(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3133 GLenum target
, GLint level
, GLint internalFormat
,
3134 GLsizei width
, GLsizei height
, GLsizei depth
,
3135 GLint border
, GLenum format
, GLenum type
,
3136 GLsizei imageSize
, const GLvoid
*pixels
)
3138 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3139 depth
, border
, format
, type
, imageSize
, pixels
, true);
3144 * Called from the API. Note that width includes the border.
3147 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3148 GLsizei width
, GLint border
, GLenum format
,
3149 GLenum type
, const GLvoid
*pixels
)
3151 GET_CURRENT_CONTEXT(ctx
);
3152 teximage_err(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3153 border
, format
, type
, 0, pixels
);
3158 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3159 GLsizei width
, GLsizei height
, GLint border
,
3160 GLenum format
, GLenum type
,
3161 const GLvoid
*pixels
)
3163 GET_CURRENT_CONTEXT(ctx
);
3164 teximage_err(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3165 border
, format
, type
, 0, pixels
);
3170 * Called by the API or display list executor.
3171 * Note that width and height include the border.
3174 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3175 GLsizei width
, GLsizei height
, GLsizei depth
,
3176 GLint border
, GLenum format
, GLenum type
,
3177 const GLvoid
*pixels
)
3179 GET_CURRENT_CONTEXT(ctx
);
3180 teximage_err(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3181 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3186 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3187 GLsizei width
, GLsizei height
, GLsizei depth
,
3188 GLint border
, GLenum format
, GLenum type
,
3189 const GLvoid
*pixels
)
3191 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3192 depth
, border
, format
, type
, pixels
);
3197 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3198 GLsizei width
, GLint border
, GLenum format
,
3199 GLenum type
, const GLvoid
*pixels
)
3201 GET_CURRENT_CONTEXT(ctx
);
3202 teximage_no_error(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1,
3203 1, border
, format
, type
, 0, pixels
);
3208 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3209 GLsizei width
, GLsizei height
, GLint border
,
3210 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3212 GET_CURRENT_CONTEXT(ctx
);
3213 teximage_no_error(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
,
3214 height
, 1, border
, format
, type
, 0, pixels
);
3219 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3220 GLsizei width
, GLsizei height
, GLsizei depth
,
3221 GLint border
, GLenum format
, GLenum type
,
3222 const GLvoid
*pixels
)
3224 GET_CURRENT_CONTEXT(ctx
);
3225 teximage_no_error(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3226 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3231 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3233 struct gl_texture_object
*texObj
;
3234 struct gl_texture_image
*texImage
;
3236 GET_CURRENT_CONTEXT(ctx
);
3237 FLUSH_VERTICES(ctx
, 0);
3241 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3243 case GL_TEXTURE_EXTERNAL_OES
:
3245 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3248 valid_target
= false;
3252 if (!valid_target
) {
3253 _mesa_error(ctx
, GL_INVALID_ENUM
,
3254 "glEGLImageTargetTexture2D(target=%d)", target
);
3259 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3260 "glEGLImageTargetTexture2D(image=%p)", image
);
3264 if (ctx
->NewState
& _NEW_PIXEL
)
3265 _mesa_update_state(ctx
);
3267 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3271 _mesa_lock_texture(ctx
, texObj
);
3273 if (texObj
->Immutable
) {
3274 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3275 "glEGLImageTargetTexture2D(texture is immutable)");
3276 _mesa_unlock_texture(ctx
, texObj
);
3280 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3282 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3284 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3286 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3287 texObj
, texImage
, image
);
3289 _mesa_dirty_texobj(ctx
, texObj
);
3291 _mesa_unlock_texture(ctx
, texObj
);
3296 * Helper that implements the glTexSubImage1/2/3D()
3297 * and glTextureSubImage1/2/3D() functions.
3300 texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3301 struct gl_texture_object
*texObj
,
3302 struct gl_texture_image
*texImage
,
3303 GLenum target
, GLint level
,
3304 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3305 GLsizei width
, GLsizei height
, GLsizei depth
,
3306 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3309 FLUSH_VERTICES(ctx
, 0);
3311 if (ctx
->NewState
& _NEW_PIXEL
)
3312 _mesa_update_state(ctx
);
3314 _mesa_lock_texture(ctx
, texObj
);
3316 if (width
> 0 && height
> 0 && depth
> 0) {
3317 /* If we have a border, offset=-1 is legal. Bias by border width. */
3320 if (target
!= GL_TEXTURE_2D_ARRAY
)
3321 zoffset
+= texImage
->Border
;
3324 if (target
!= GL_TEXTURE_1D_ARRAY
)
3325 yoffset
+= texImage
->Border
;
3328 xoffset
+= texImage
->Border
;
3331 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3332 xoffset
, yoffset
, zoffset
,
3333 width
, height
, depth
,
3334 format
, type
, pixels
, &ctx
->Unpack
);
3336 check_gen_mipmap(ctx
, target
, texObj
, level
);
3338 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3339 * the texel data, not the texture format, size, etc.
3343 _mesa_unlock_texture(ctx
, texObj
);
3347 * Implement all the glTexSubImage1/2/3D() functions.
3348 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3351 texsubimage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3352 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3353 GLsizei width
, GLsizei height
, GLsizei depth
,
3354 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3355 const char *callerName
)
3357 struct gl_texture_object
*texObj
;
3358 struct gl_texture_image
*texImage
;
3360 /* check target (proxies not allowed) */
3361 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3362 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3363 dims
, _mesa_enum_to_string(target
));
3367 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3371 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3372 xoffset
, yoffset
, zoffset
,
3373 width
, height
, depth
, format
, type
,
3374 pixels
, false, callerName
)) {
3375 return; /* error was detected */
3378 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3379 /* texsubimage_error_check ensures that texImage is not NULL */
3381 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3382 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3384 _mesa_enum_to_string(target
), level
,
3385 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3386 _mesa_enum_to_string(format
),
3387 _mesa_enum_to_string(type
), pixels
);
3389 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3390 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3391 format
, type
, pixels
, false);
3396 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3397 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3398 GLsizei width
, GLsizei height
, GLsizei depth
,
3399 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3401 struct gl_texture_object
*texObj
;
3402 struct gl_texture_image
*texImage
;
3404 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3405 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3407 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3408 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3409 format
, type
, pixels
, false);
3414 * Implement all the glTextureSubImage1/2/3D() functions.
3415 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3417 static ALWAYS_INLINE
void
3418 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3419 GLuint texture
, GLint level
,
3420 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3421 GLsizei width
, GLsizei height
, GLsizei depth
,
3422 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3423 const char *callerName
, bool no_error
)
3425 struct gl_texture_object
*texObj
;
3426 struct gl_texture_image
*texImage
;
3429 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3431 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3432 dims
, texture
, level
,
3433 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3434 _mesa_enum_to_string(format
),
3435 _mesa_enum_to_string(type
), pixels
);
3437 /* Get the texture object by Name. */
3439 texObj
= _mesa_lookup_texture_err(ctx
, texture
, callerName
);
3443 texObj
= _mesa_lookup_texture(ctx
, texture
);
3447 /* check target (proxies not allowed) */
3448 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3449 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3450 callerName
, _mesa_enum_to_string(texObj
->Target
));
3454 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3455 xoffset
, yoffset
, zoffset
,
3456 width
, height
, depth
, format
, type
,
3457 pixels
, true, callerName
)) {
3458 return; /* error was detected */
3462 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3463 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3467 * What do we do if the user created a texture with the following code
3468 * and then called this function with its handle?
3471 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3472 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3473 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3474 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3475 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3476 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3477 * // wrong format, or given the wrong size, etc.
3478 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3479 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3481 * A bug has been filed against the spec for this case. In the
3482 * meantime, we will check for cube completeness.
3484 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3485 * Core Profile spec (30.10.2014):
3486 * "[A] cube map texture is cube complete if the
3487 * following conditions all hold true: The [base level] texture
3488 * images of each of the six cube map faces have identical, positive,
3489 * and square dimensions. The [base level] images were each specified
3490 * with the same internal format."
3492 * It seems reasonable to check for cube completeness of an arbitrary
3493 * level here so that the image data has a consistent format and size.
3495 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
3496 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3497 "glTextureSubImage%uD(cube map incomplete)",
3502 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3504 /* Copy in each face. */
3505 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3506 texImage
= texObj
->Image
[i
][level
];
3509 texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3510 level
, xoffset
, yoffset
, 0,
3511 width
, height
, 1, format
,
3512 type
, pixels
, true);
3513 pixels
= (GLubyte
*) pixels
+ imageStride
;
3517 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3520 texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3521 level
, xoffset
, yoffset
, zoffset
,
3522 width
, height
, depth
, format
,
3523 type
, pixels
, true);
3529 texturesubimage_error(struct gl_context
*ctx
, GLuint dims
,
3530 GLuint texture
, GLint level
,
3531 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3532 GLsizei width
, GLsizei height
, GLsizei depth
,
3533 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3534 const char *callerName
)
3536 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3537 width
, height
, depth
, format
, type
, pixels
, callerName
,
3543 texturesubimage_no_error(struct gl_context
*ctx
, GLuint dims
,
3544 GLuint texture
, GLint level
,
3545 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3546 GLsizei width
, GLsizei height
, GLsizei depth
,
3547 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3548 const char *callerName
)
3550 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3551 width
, height
, depth
, format
, type
, pixels
, callerName
,
3557 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
,
3558 GLint xoffset
, GLsizei width
,
3559 GLenum format
, GLenum type
,
3560 const GLvoid
*pixels
)
3562 GET_CURRENT_CONTEXT(ctx
);
3563 texsubimage(ctx
, 1, target
, level
,
3566 format
, type
, pixels
);
3571 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3572 GLint xoffset
, GLsizei width
,
3573 GLenum format
, GLenum type
,
3574 const GLvoid
*pixels
)
3576 GET_CURRENT_CONTEXT(ctx
);
3577 texsubimage_err(ctx
, 1, target
, level
,
3580 format
, type
, pixels
, "glTexSubImage1D");
3585 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
3586 GLint xoffset
, GLint yoffset
,
3587 GLsizei width
, GLsizei height
,
3588 GLenum format
, GLenum type
,
3589 const GLvoid
*pixels
)
3591 GET_CURRENT_CONTEXT(ctx
);
3592 texsubimage(ctx
, 2, target
, level
,
3593 xoffset
, yoffset
, 0,
3595 format
, type
, pixels
);
3600 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3601 GLint xoffset
, GLint yoffset
,
3602 GLsizei width
, GLsizei height
,
3603 GLenum format
, GLenum type
,
3604 const GLvoid
*pixels
)
3606 GET_CURRENT_CONTEXT(ctx
);
3607 texsubimage_err(ctx
, 2, target
, level
,
3608 xoffset
, yoffset
, 0,
3610 format
, type
, pixels
, "glTexSubImage2D");
3615 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
3616 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3617 GLsizei width
, GLsizei height
, GLsizei depth
,
3618 GLenum format
, GLenum type
,
3619 const GLvoid
*pixels
)
3621 GET_CURRENT_CONTEXT(ctx
);
3622 texsubimage(ctx
, 3, target
, level
,
3623 xoffset
, yoffset
, zoffset
,
3624 width
, height
, depth
,
3625 format
, type
, pixels
);
3630 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3631 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3632 GLsizei width
, GLsizei height
, GLsizei depth
,
3633 GLenum format
, GLenum type
,
3634 const GLvoid
*pixels
)
3636 GET_CURRENT_CONTEXT(ctx
);
3637 texsubimage_err(ctx
, 3, target
, level
,
3638 xoffset
, yoffset
, zoffset
,
3639 width
, height
, depth
,
3640 format
, type
, pixels
, "glTexSubImage3D");
3645 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3646 GLsizei width
, GLenum format
, GLenum type
,
3647 const GLvoid
*pixels
)
3649 GET_CURRENT_CONTEXT(ctx
);
3650 texturesubimage_no_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3651 format
, type
, pixels
, "glTextureSubImage1D");
3656 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3657 GLint xoffset
, GLsizei width
,
3658 GLenum format
, GLenum type
,
3659 const GLvoid
*pixels
)
3661 GET_CURRENT_CONTEXT(ctx
);
3662 texturesubimage_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3663 format
, type
, pixels
, "glTextureSubImage1D");
3668 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3669 GLint yoffset
, GLsizei width
, GLsizei height
,
3670 GLenum format
, GLenum type
,
3671 const GLvoid
*pixels
)
3673 GET_CURRENT_CONTEXT(ctx
);
3674 texturesubimage_no_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3675 height
, 1, format
, type
, pixels
,
3676 "glTextureSubImage2D");
3681 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3682 GLint xoffset
, GLint yoffset
,
3683 GLsizei width
, GLsizei height
,
3684 GLenum format
, GLenum type
,
3685 const GLvoid
*pixels
)
3687 GET_CURRENT_CONTEXT(ctx
);
3688 texturesubimage_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3689 height
, 1, format
, type
, pixels
,
3690 "glTextureSubImage2D");
3695 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3696 GLint yoffset
, GLint zoffset
, GLsizei width
,
3697 GLsizei height
, GLsizei depth
, GLenum format
,
3698 GLenum type
, const GLvoid
*pixels
)
3700 GET_CURRENT_CONTEXT(ctx
);
3701 texturesubimage_no_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3702 width
, height
, depth
, format
, type
, pixels
,
3703 "glTextureSubImage3D");
3708 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3709 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3710 GLsizei width
, GLsizei height
, GLsizei depth
,
3711 GLenum format
, GLenum type
,
3712 const GLvoid
*pixels
)
3714 GET_CURRENT_CONTEXT(ctx
);
3715 texturesubimage_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3716 width
, height
, depth
, format
, type
, pixels
,
3717 "glTextureSubImage3D");
3722 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3723 * from. This depends on whether the texture contains color or depth values.
3725 static struct gl_renderbuffer
*
3726 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3728 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3729 /* reading from depth/stencil buffer */
3730 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3731 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3732 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3734 /* copying from color buffer */
3735 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3741 copytexsubimage_by_slice(struct gl_context
*ctx
,
3742 struct gl_texture_image
*texImage
,
3744 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3745 struct gl_renderbuffer
*rb
,
3747 GLsizei width
, GLsizei height
)
3749 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3752 /* For 1D arrays, we copy each scanline of the source rectangle into the
3755 assert(zoffset
== 0);
3757 for (slice
= 0; slice
< height
; slice
++) {
3758 assert(yoffset
+ slice
< texImage
->Height
);
3759 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3760 xoffset
, 0, yoffset
+ slice
,
3761 rb
, x
, y
+ slice
, width
, 1);
3764 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3765 xoffset
, yoffset
, zoffset
,
3766 rb
, x
, y
, width
, height
);
3772 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3774 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3775 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3776 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3777 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3779 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3780 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3781 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3782 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3784 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3785 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3786 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3787 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3795 * Check if the given texture format and size arguments match those
3796 * of the texture image.
3797 * \param return true if arguments match, false otherwise.
3800 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
3801 GLenum internalFormat
,
3802 mesa_format texFormat
, GLint x
, GLint y
, GLsizei width
,
3803 GLsizei height
, GLint border
)
3805 if (texImage
->InternalFormat
!= internalFormat
)
3807 if (texImage
->TexFormat
!= texFormat
)
3809 if (texImage
->Border
!= border
)
3811 if (texImage
->Width2
!= width
)
3813 if (texImage
->Height2
!= height
)
3820 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
3823 copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3824 struct gl_texture_object
*texObj
,
3825 GLenum target
, GLint level
,
3826 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3827 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3829 struct gl_texture_image
*texImage
;
3831 _mesa_lock_texture(ctx
, texObj
);
3833 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3835 /* If we have a border, offset=-1 is legal. Bias by border width. */
3838 if (target
!= GL_TEXTURE_2D_ARRAY
)
3839 zoffset
+= texImage
->Border
;
3842 if (target
!= GL_TEXTURE_1D_ARRAY
)
3843 yoffset
+= texImage
->Border
;
3846 xoffset
+= texImage
->Border
;
3849 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3851 struct gl_renderbuffer
*srcRb
=
3852 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3854 copytexsubimage_by_slice(ctx
, texImage
, dims
, xoffset
, yoffset
, zoffset
,
3855 srcRb
, x
, y
, width
, height
);
3857 check_gen_mipmap(ctx
, target
, texObj
, level
);
3859 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3860 * the texel data, not the texture format, size, etc.
3864 _mesa_unlock_texture(ctx
, texObj
);
3869 copy_texture_sub_image_err(struct gl_context
*ctx
, GLuint dims
,
3870 struct gl_texture_object
*texObj
,
3871 GLenum target
, GLint level
,
3872 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3873 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
3876 FLUSH_VERTICES(ctx
, 0);
3878 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3879 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
3880 _mesa_enum_to_string(target
),
3881 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3883 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3884 _mesa_update_state(ctx
);
3886 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3887 xoffset
, yoffset
, zoffset
,
3888 width
, height
, caller
)) {
3892 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3893 zoffset
, x
, y
, width
, height
);
3898 copy_texture_sub_image_no_error(struct gl_context
*ctx
, GLuint dims
,
3899 struct gl_texture_object
*texObj
,
3900 GLenum target
, GLint level
,
3901 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3902 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3904 FLUSH_VERTICES(ctx
, 0);
3906 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3907 _mesa_update_state(ctx
);
3909 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3910 zoffset
, x
, y
, width
, height
);
3915 * Implement the glCopyTexImage1/2D() functions.
3917 static ALWAYS_INLINE
void
3918 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3919 GLenum target
, GLint level
, GLenum internalFormat
,
3920 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
,
3923 struct gl_texture_image
*texImage
;
3924 struct gl_texture_object
*texObj
;
3925 mesa_format texFormat
;
3927 FLUSH_VERTICES(ctx
, 0);
3929 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3930 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3932 _mesa_enum_to_string(target
), level
,
3933 _mesa_enum_to_string(internalFormat
),
3934 x
, y
, width
, height
, border
);
3936 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3937 _mesa_update_state(ctx
);
3940 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3941 width
, height
, border
))
3944 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3946 _mesa_error(ctx
, GL_INVALID_VALUE
,
3947 "glCopyTexImage%uD(invalid width=%d or height=%d)",
3948 dims
, width
, height
);
3953 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3956 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3957 internalFormat
, GL_NONE
, GL_NONE
);
3959 /* First check if reallocating the texture buffer can be avoided.
3960 * Without the realloc the copy can be 20x faster.
3962 _mesa_lock_texture(ctx
, texObj
);
3964 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3965 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
3966 x
, y
, width
, height
, border
)) {
3967 _mesa_unlock_texture(ctx
, texObj
);
3969 copy_texture_sub_image_no_error(ctx
, dims
, texObj
, target
, level
, 0,
3970 0, 0, x
, y
, width
, height
);
3972 copy_texture_sub_image_err(ctx
, dims
, texObj
, target
, level
, 0, 0,
3973 0, x
, y
, width
, height
,"CopyTexImage");
3978 _mesa_unlock_texture(ctx
, texObj
);
3979 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
3980 "can't avoid reallocating texture storage\n");
3982 if (!no_error
&& _mesa_is_gles3(ctx
)) {
3983 struct gl_renderbuffer
*rb
=
3984 _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3986 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3987 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3988 * OpenGL ES 3.0. Khronos bug# 9807.
3990 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3991 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3992 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3993 " and writing to unsized internal format)", dims
);
3997 /* From Page 139 of OpenGL ES 3.0 spec:
3998 * "If internalformat is sized, the internal format of the new texel
3999 * array is internalformat, and this is also the new texel array’s
4000 * effective internal format. If the component sizes of internalformat
4001 * do not exactly match the corresponding component sizes of the source
4002 * buffer’s effective internal format, described below, an
4003 * INVALID_OPERATION error is generated. If internalformat is unsized,
4004 * the internal format of the new texel array is the effective internal
4005 * format of the source buffer, and this is also the new texel array’s
4006 * effective internal format.
4008 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
4009 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4010 "glCopyTexImage%uD(componenet size changed in"
4011 " internal format)", dims
);
4016 assert(texFormat
!= MESA_FORMAT_NONE
);
4018 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
4019 0, level
, texFormat
, 1,
4020 width
, height
, 1)) {
4021 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
4022 "glCopyTexImage%uD(image too large)", dims
);
4026 if (border
&& ctx
->Const
.StripTextureBorder
) {
4028 width
-= border
* 2;
4031 height
-= border
* 2;
4036 _mesa_lock_texture(ctx
, texObj
);
4038 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
4041 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
4044 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
4045 const GLuint face
= _mesa_tex_target_to_face(target
);
4047 /* Free old texture image */
4048 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4050 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4051 border
, internalFormat
, texFormat
);
4053 if (width
&& height
) {
4054 /* Allocate texture memory (no pixel data yet) */
4055 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4057 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4059 struct gl_renderbuffer
*srcRb
=
4060 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4062 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4064 srcRb
, srcX
, srcY
, width
, height
);
4067 check_gen_mipmap(ctx
, target
, texObj
, level
);
4070 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4072 _mesa_dirty_texobj(ctx
, texObj
);
4075 _mesa_unlock_texture(ctx
, texObj
);
4080 copyteximage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4081 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4082 GLsizei width
, GLsizei height
, GLint border
)
4084 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4090 copyteximage_no_error(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4091 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4092 GLsizei width
, GLsizei height
, GLint border
)
4094 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4100 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4101 GLenum internalFormat
,
4103 GLsizei width
, GLint border
)
4105 GET_CURRENT_CONTEXT(ctx
);
4106 copyteximage_err(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4112 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4113 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4116 GET_CURRENT_CONTEXT(ctx
);
4117 copyteximage_err(ctx
, 2, target
, level
, internalFormat
,
4118 x
, y
, width
, height
, border
);
4123 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4124 GLint x
, GLint y
, GLsizei width
, GLint border
)
4126 GET_CURRENT_CONTEXT(ctx
);
4127 copyteximage_no_error(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4133 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4134 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4137 GET_CURRENT_CONTEXT(ctx
);
4138 copyteximage_no_error(ctx
, 2, target
, level
, internalFormat
,
4139 x
, y
, width
, height
, border
);
4144 _mesa_CopyTexSubImage1D(GLenum target
, GLint level
,
4145 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4147 struct gl_texture_object
* texObj
;
4148 const char *self
= "glCopyTexSubImage1D";
4149 GET_CURRENT_CONTEXT(ctx
);
4151 /* Check target (proxies not allowed). Target must be checked prior to
4152 * calling _mesa_get_current_tex_object.
4154 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4155 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4156 _mesa_enum_to_string(target
));
4160 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4164 copy_texture_sub_image_err(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4165 x
, y
, width
, 1, self
);
4170 _mesa_CopyTexSubImage2D(GLenum target
, GLint level
,
4171 GLint xoffset
, GLint yoffset
,
4172 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4174 struct gl_texture_object
* texObj
;
4175 const char *self
= "glCopyTexSubImage2D";
4176 GET_CURRENT_CONTEXT(ctx
);
4178 /* Check target (proxies not allowed). Target must be checked prior to
4179 * calling _mesa_get_current_tex_object.
4181 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4182 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4183 _mesa_enum_to_string(target
));
4187 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4191 copy_texture_sub_image_err(ctx
, 2, texObj
, target
, level
, xoffset
, yoffset
,
4192 0, x
, y
, width
, height
, self
);
4197 _mesa_CopyTexSubImage3D(GLenum target
, GLint level
,
4198 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4199 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4201 struct gl_texture_object
* texObj
;
4202 const char *self
= "glCopyTexSubImage3D";
4203 GET_CURRENT_CONTEXT(ctx
);
4205 /* Check target (proxies not allowed). Target must be checked prior to
4206 * calling _mesa_get_current_tex_object.
4208 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4209 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4210 _mesa_enum_to_string(target
));
4214 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4218 copy_texture_sub_image_err(ctx
, 3, texObj
, target
, level
, xoffset
, yoffset
,
4219 zoffset
, x
, y
, width
, height
, self
);
4224 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4225 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4227 struct gl_texture_object
* texObj
;
4228 const char *self
= "glCopyTextureSubImage1D";
4229 GET_CURRENT_CONTEXT(ctx
);
4231 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4235 /* Check target (proxies not allowed). */
4236 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4237 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4238 _mesa_enum_to_string(texObj
->Target
));
4242 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4243 0, x
, y
, width
, 1, self
);
4248 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4249 GLint xoffset
, GLint yoffset
,
4250 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4252 struct gl_texture_object
* texObj
;
4253 const char *self
= "glCopyTextureSubImage2D";
4254 GET_CURRENT_CONTEXT(ctx
);
4256 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4260 /* Check target (proxies not allowed). */
4261 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4262 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4263 _mesa_enum_to_string(texObj
->Target
));
4267 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4268 yoffset
, 0, x
, y
, width
, height
, self
);
4273 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4274 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4275 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4277 struct gl_texture_object
* texObj
;
4278 const char *self
= "glCopyTextureSubImage3D";
4279 GET_CURRENT_CONTEXT(ctx
);
4281 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4285 /* Check target (proxies not allowed). */
4286 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4287 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4288 _mesa_enum_to_string(texObj
->Target
));
4292 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4293 /* Act like CopyTexSubImage2D */
4294 copy_texture_sub_image_err(ctx
, 2, texObj
,
4295 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4296 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4300 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4301 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4306 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4307 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
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4318 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4319 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
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
, 2, texObj
, target
, level
, xoffset
,
4326 yoffset
, 0, x
, y
, width
, height
);
4331 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4332 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
4333 GLsizei width
, GLsizei height
)
4335 GET_CURRENT_CONTEXT(ctx
);
4337 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4338 copy_texture_sub_image_no_error(ctx
, 3, texObj
, target
, level
, xoffset
,
4339 yoffset
, zoffset
, x
, y
, width
, height
);
4344 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4345 GLint x
, GLint y
, GLsizei width
)
4347 GET_CURRENT_CONTEXT(ctx
);
4349 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4350 copy_texture_sub_image_no_error(ctx
, 1, texObj
, texObj
->Target
, level
,
4351 xoffset
, 0, 0, x
, y
, width
, 1);
4356 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4357 GLint yoffset
, GLint x
, GLint y
,
4358 GLsizei width
, GLsizei height
)
4360 GET_CURRENT_CONTEXT(ctx
);
4362 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4363 copy_texture_sub_image_no_error(ctx
, 2, texObj
, texObj
->Target
, level
,
4364 xoffset
, yoffset
, 0, x
, y
, width
, height
);
4369 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4370 GLint yoffset
, GLint zoffset
, GLint x
,
4371 GLint y
, GLsizei width
, GLsizei height
)
4373 GET_CURRENT_CONTEXT(ctx
);
4375 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4376 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4377 /* Act like CopyTexSubImage2D */
4378 copy_texture_sub_image_no_error(ctx
, 2, texObj
,
4379 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4380 level
, xoffset
, yoffset
, 0, x
, y
, width
,
4384 copy_texture_sub_image_no_error(ctx
, 3, texObj
, texObj
->Target
, level
,
4385 xoffset
, yoffset
, zoffset
, x
, y
, width
,
4391 check_clear_tex_image(struct gl_context
*ctx
,
4392 const char *function
,
4393 struct gl_texture_image
*texImage
,
4394 GLenum format
, GLenum type
,
4396 GLubyte
*clearValue
)
4398 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4399 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4400 GLenum internalFormat
= texImage
->InternalFormat
;
4403 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4404 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4405 "%s(buffer texture)", function
);
4409 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4410 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4411 "%s(compressed texture)", function
);
4415 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4416 if (err
!= GL_NO_ERROR
) {
4417 _mesa_error(ctx
, err
,
4418 "%s(incompatible format = %s, type = %s)",
4420 _mesa_enum_to_string(format
),
4421 _mesa_enum_to_string(type
));
4425 /* make sure internal format and format basically agree */
4426 if (!texture_formats_agree(internalFormat
, format
)) {
4427 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4428 "%s(incompatible internalFormat = %s, format = %s)",
4430 _mesa_enum_to_string(internalFormat
),
4431 _mesa_enum_to_string(format
));
4435 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4436 /* both source and dest must be integer-valued, or neither */
4437 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4438 _mesa_is_enum_format_integer(format
)) {
4439 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4440 "%s(integer/non-integer format mismatch)",
4446 if (!_mesa_texstore(ctx
,
4448 texImage
->_BaseFormat
,
4449 texImage
->TexFormat
,
4450 0, /* dstRowStride */
4452 1, 1, 1, /* srcWidth/Height/Depth */
4454 data
? data
: zeroData
,
4455 &ctx
->DefaultPacking
)) {
4456 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4464 static struct gl_texture_object
*
4465 get_tex_obj_for_clear(struct gl_context
*ctx
,
4466 const char *function
,
4469 struct gl_texture_object
*texObj
;
4471 texObj
= _mesa_lookup_texture_err(ctx
, texture
, function
);
4475 if (texObj
->Target
== 0) {
4476 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4485 * For clearing cube textures, the zoffset and depth parameters indicate
4486 * which cube map faces are to be cleared. This is the one case where we
4487 * need to be concerned with multiple gl_texture_images. This function
4488 * returns the array of texture images to clear for cube maps, or one
4489 * texture image otherwise.
4490 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
4493 get_tex_images_for_clear(struct gl_context
*ctx
,
4494 const char *function
,
4495 struct gl_texture_object
*texObj
,
4497 struct gl_texture_image
**texImages
)
4502 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4503 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4507 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4508 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
4509 numFaces
= MAX_FACES
;
4512 target
= texObj
->Target
;
4516 for (i
= 0; i
< numFaces
; i
++) {
4517 texImages
[i
] = _mesa_select_tex_image(texObj
, target
+ i
, level
);
4518 if (texImages
[i
] == NULL
) {
4519 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4529 _mesa_ClearTexSubImage(GLuint texture
, GLint level
,
4530 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4531 GLsizei width
, GLsizei height
, GLsizei depth
,
4532 GLenum format
, GLenum type
, const void *data
)
4534 GET_CURRENT_CONTEXT(ctx
);
4535 struct gl_texture_object
*texObj
;
4536 struct gl_texture_image
*texImages
[MAX_FACES
];
4537 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4539 int minDepth
, maxDepth
;
4541 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4546 _mesa_lock_texture(ctx
, texObj
);
4548 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4549 texObj
, level
, texImages
);
4553 if (numImages
== 1) {
4554 minDepth
= -(int) texImages
[0]->Border
;
4555 maxDepth
= texImages
[0]->Depth
;
4557 assert(numImages
== MAX_FACES
);
4559 maxDepth
= numImages
;
4562 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4563 yoffset
< -(GLint
) texImages
[0]->Border
||
4564 zoffset
< minDepth
||
4568 xoffset
+ width
> texImages
[0]->Width
||
4569 yoffset
+ height
> texImages
[0]->Height
||
4570 zoffset
+ depth
> maxDepth
) {
4571 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4572 "glClearSubTexImage(invalid dimensions)");
4576 if (numImages
== 1) {
4577 if (check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[0],
4578 format
, type
, data
, clearValue
[0])) {
4579 ctx
->Driver
.ClearTexSubImage(ctx
,
4581 xoffset
, yoffset
, zoffset
,
4582 width
, height
, depth
,
4583 data
? clearValue
[0] : NULL
);
4586 /* loop over cube face images */
4587 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4588 assert(i
< MAX_FACES
);
4589 if (!check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[i
],
4590 format
, type
, data
, clearValue
[i
]))
4593 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4594 ctx
->Driver
.ClearTexSubImage(ctx
,
4596 xoffset
, yoffset
, 0,
4598 data
? clearValue
[i
] : NULL
);
4603 _mesa_unlock_texture(ctx
, texObj
);
4608 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4609 GLenum format
, GLenum type
, const void *data
)
4611 GET_CURRENT_CONTEXT(ctx
);
4612 struct gl_texture_object
*texObj
;
4613 struct gl_texture_image
*texImages
[MAX_FACES
];
4614 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4617 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4622 _mesa_lock_texture(ctx
, texObj
);
4624 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4625 texObj
, level
, texImages
);
4627 for (i
= 0; i
< numImages
; i
++) {
4628 if (!check_clear_tex_image(ctx
, "glClearTexImage", texImages
[i
], format
,
4629 type
, data
, clearValue
[i
]))
4633 for (i
= 0; i
< numImages
; i
++) {
4634 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4635 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4636 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4637 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4638 texImages
[i
]->Width
,
4639 texImages
[i
]->Height
,
4640 texImages
[i
]->Depth
,
4641 data
? clearValue
[i
] : NULL
);
4645 _mesa_unlock_texture(ctx
, texObj
);
4651 /**********************************************************************/
4652 /****** Compressed Textures ******/
4653 /**********************************************************************/
4657 * Target checking for glCompressedTexSubImage[123]D().
4658 * \return GL_TRUE if error, GL_FALSE if no error
4659 * Must come before other error checking so that the texture object can
4660 * be correctly retrieved using _mesa_get_current_tex_object.
4663 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4664 GLint dims
, GLenum intFormat
, bool dsa
,
4669 enum mesa_format_layout layout
;
4671 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4672 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4673 _mesa_enum_to_string(target
));
4683 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4684 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4685 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4686 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4687 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4688 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4689 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4692 targetOK
= GL_FALSE
;
4698 case GL_TEXTURE_CUBE_MAP
:
4699 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4701 case GL_TEXTURE_2D_ARRAY
:
4702 targetOK
= _mesa_is_gles3(ctx
) ||
4703 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4705 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4706 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
4711 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4713 * "An INVALID_OPERATION error is generated by
4714 * CompressedTex*SubImage3D if the internal format of the texture
4715 * is one of the EAC, ETC2, or RGTC formats and either border is
4716 * non-zero, or the effective target for the texture is not
4717 * TEXTURE_2D_ARRAY."
4719 * NOTE: that's probably a spec error. It should probably say
4720 * "... or the effective target for the texture is not
4721 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4722 * GL_TEXTURE_CUBE_MAP_ARRAY."
4723 * since those targets are 2D images and they support all compression
4726 * Instead of listing all these, just list those which are allowed,
4727 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4728 * more) are valid here, which they are not, but of course not
4729 * mentioned by core spec.
4731 * Also, from GL_KHR_texture_compression_astc_{hdr,ldr}:
4733 * "Add a second new column "3D Tex." which is empty for all non-ASTC
4734 * formats. If only the LDR profile is supported by the implementation,
4735 * this column is also empty for all ASTC formats. If both the LDR and HDR
4736 * profiles are supported, this column is checked for all ASTC formats."
4738 * "An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
4739 * <format> is one of the formats in table 8.19 and <target> is not
4740 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY, or TEXTURE_3D.
4742 * An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
4743 * <format> is TEXTURE_CUBE_MAP_ARRAY and the "Cube Map Array" column of
4744 * table 8.19 is *not* checked, or if <format> is TEXTURE_3D and the "3D
4745 * Tex." column of table 8.19 is *not* checked"
4747 * And from GL_KHR_texture_compression_astc_sliced_3d:
4749 * "Modify the "3D Tex." column to be checked for all ASTC formats."
4751 format
= _mesa_glenum_to_compressed_format(intFormat
);
4752 layout
= _mesa_get_format_layout(format
);
4754 case MESA_FORMAT_LAYOUT_BPTC
:
4757 case MESA_FORMAT_LAYOUT_ASTC
:
4759 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
4760 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
4763 /* invalid format */
4764 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4765 "%s(invalid target %s for format %s)", caller
,
4766 _mesa_enum_to_string(target
),
4767 _mesa_enum_to_string(intFormat
));
4772 targetOK
= GL_FALSE
;
4778 /* no 1D compressed textures at this time */
4779 targetOK
= GL_FALSE
;
4784 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4785 _mesa_enum_to_string(target
));
4793 * Error checking for glCompressedTexSubImage[123]D().
4794 * \return GL_TRUE if error, GL_FALSE if no error
4797 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4798 const struct gl_texture_object
*texObj
,
4799 GLenum target
, GLint level
,
4800 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4801 GLsizei width
, GLsizei height
, GLsizei depth
,
4802 GLenum format
, GLsizei imageSize
,
4803 const GLvoid
*data
, const char *callerName
)
4805 struct gl_texture_image
*texImage
;
4808 /* this will catch any invalid compressed format token */
4809 if (!_mesa_is_compressed_format(ctx
, format
)) {
4810 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(format)", callerName
);
4814 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4815 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
4819 /* validate the bound PBO, if any */
4820 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4821 imageSize
, data
, callerName
)) {
4825 /* Check for invalid pixel storage modes */
4826 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4827 &ctx
->Unpack
, callerName
)) {
4831 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4832 if (expectedSize
!= imageSize
) {
4833 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", callerName
, imageSize
);
4837 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4839 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
4844 if ((GLint
) format
!= texImage
->InternalFormat
) {
4845 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s)",
4846 callerName
, _mesa_enum_to_string(format
));
4850 if (compressedteximage_only_format(ctx
, format
)) {
4851 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s cannot be updated)",
4852 callerName
, _mesa_enum_to_string(format
));
4856 if (error_check_subtexture_negative_dimensions(ctx
, dims
, width
, height
,
4857 depth
, callerName
)) {
4861 if (error_check_subtexture_dimensions(ctx
, dims
, texImage
, xoffset
, yoffset
,
4862 zoffset
, width
, height
, depth
,
4872 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4873 GLenum internalFormat
, GLsizei width
,
4874 GLint border
, GLsizei imageSize
,
4877 GET_CURRENT_CONTEXT(ctx
);
4878 teximage_err(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4879 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4884 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4885 GLenum internalFormat
, GLsizei width
,
4886 GLsizei height
, GLint border
, GLsizei imageSize
,
4889 GET_CURRENT_CONTEXT(ctx
);
4890 teximage_err(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4891 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4896 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4897 GLenum internalFormat
, GLsizei width
,
4898 GLsizei height
, GLsizei depth
, GLint border
,
4899 GLsizei imageSize
, const GLvoid
*data
)
4901 GET_CURRENT_CONTEXT(ctx
);
4902 teximage_err(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
, height
,
4903 depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4908 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
4909 GLenum internalFormat
, GLsizei width
,
4910 GLint border
, GLsizei imageSize
,
4913 GET_CURRENT_CONTEXT(ctx
);
4914 teximage_no_error(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
, width
, 1,
4915 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4920 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
4921 GLenum internalFormat
, GLsizei width
,
4922 GLsizei height
, GLint border
,
4923 GLsizei imageSize
, const GLvoid
*data
)
4925 GET_CURRENT_CONTEXT(ctx
);
4926 teximage_no_error(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
, width
,
4927 height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4932 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
4933 GLenum internalFormat
, GLsizei width
,
4934 GLsizei height
, GLsizei depth
, GLint border
,
4935 GLsizei imageSize
, const GLvoid
*data
)
4937 GET_CURRENT_CONTEXT(ctx
);
4938 teximage_no_error(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
,
4939 height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4944 * Common helper for glCompressedTexSubImage1/2/3D() and
4945 * glCompressedTextureSubImage1/2/3D().
4948 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4949 struct gl_texture_object
*texObj
,
4950 struct gl_texture_image
*texImage
,
4951 GLenum target
, GLint level
, GLint xoffset
,
4952 GLint yoffset
, GLint zoffset
, GLsizei width
,
4953 GLsizei height
, GLsizei depth
, GLenum format
,
4954 GLsizei imageSize
, const GLvoid
*data
)
4956 FLUSH_VERTICES(ctx
, 0);
4958 _mesa_lock_texture(ctx
, texObj
);
4960 if (width
> 0 && height
> 0 && depth
> 0) {
4961 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4962 xoffset
, yoffset
, zoffset
,
4963 width
, height
, depth
,
4964 format
, imageSize
, data
);
4966 check_gen_mipmap(ctx
, target
, texObj
, level
);
4968 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4969 * the texel data, not the texture format, size, etc.
4973 _mesa_unlock_texture(ctx
, texObj
);
4977 static ALWAYS_INLINE
void
4978 compressed_tex_sub_image(unsigned dim
, GLenum target
, GLuint texture
,
4979 GLint level
, GLint xoffset
, GLint yoffset
,
4980 GLint zoffset
, GLsizei width
, GLsizei height
,
4981 GLsizei depth
, GLenum format
, GLsizei imageSize
,
4982 const GLvoid
*data
, bool dsa
, bool no_error
,
4985 struct gl_texture_object
*texObj
= NULL
;
4986 struct gl_texture_image
*texImage
;
4988 GET_CURRENT_CONTEXT(ctx
);
4992 texObj
= _mesa_lookup_texture(ctx
, texture
);
4994 texObj
= _mesa_lookup_texture_err(ctx
, texture
, caller
);
4999 target
= texObj
->Target
;
5003 compressed_subtexture_target_check(ctx
, target
, dim
, format
, dsa
,
5009 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5010 if (!no_error
&& !texObj
)
5015 compressed_subtexture_error_check(ctx
, dim
, texObj
, target
, level
,
5016 xoffset
, yoffset
, zoffset
, width
,
5017 height
, depth
, format
,
5018 imageSize
, data
, caller
)) {
5022 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5023 if (dim
== 3 && dsa
&& texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5024 const char *pixels
= data
;
5027 /* Make sure the texture object is a proper cube.
5028 * (See texturesubimage in teximage.c for details on why this check is
5031 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
5032 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5033 "glCompressedTextureSubImage3D(cube map incomplete)");
5037 /* Copy in each face. */
5038 for (int i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
5039 texImage
= texObj
->Image
[i
][level
];
5042 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5043 texObj
->Target
, level
, xoffset
, yoffset
,
5044 0, width
, height
, 1, format
,
5047 /* Compressed images don't have a client format */
5048 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5050 texImage
->Height
, 1);
5052 pixels
+= image_stride
;
5053 imageSize
-= image_stride
;
5056 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
5059 compressed_texture_sub_image(ctx
, dim
, texObj
, texImage
, target
, level
,
5060 xoffset
, yoffset
, zoffset
, width
, height
,
5061 depth
, format
, imageSize
, data
);
5066 compressed_tex_sub_image_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
, false, caller
);
5079 compressed_tex_sub_image_no_error(unsigned dim
, GLenum target
, GLuint texture
,
5080 GLint level
, GLint xoffset
, GLint yoffset
,
5081 GLint zoffset
, GLsizei width
, GLsizei height
,
5082 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5083 const GLvoid
*data
, bool dsa
,
5086 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5087 zoffset
, width
, height
, depth
, format
, imageSize
,
5088 data
, dsa
, true, caller
);
5092 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
5093 GLint xoffset
, GLsizei width
,
5094 GLenum format
, GLsizei imageSize
,
5097 compressed_tex_sub_image_no_error(1, target
, 0, level
, xoffset
, 0, 0, width
,
5098 1, 1, format
, imageSize
, data
, false,
5099 "glCompressedTexSubImage1D");
5104 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
5105 GLsizei width
, GLenum format
,
5106 GLsizei imageSize
, const GLvoid
*data
)
5108 compressed_tex_sub_image_error(1, target
, 0, level
, xoffset
, 0, 0, width
, 1,
5109 1, format
, imageSize
, data
, false,
5110 "glCompressedTexSubImage1D");
5115 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
5116 GLint xoffset
, GLsizei width
,
5117 GLenum format
, GLsizei imageSize
,
5120 compressed_tex_sub_image_no_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5121 1, 1, format
, imageSize
, data
, true,
5122 "glCompressedTextureSubImage1D");
5127 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
5128 GLsizei width
, GLenum format
,
5129 GLsizei imageSize
, const GLvoid
*data
)
5131 compressed_tex_sub_image_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5132 1, 1, format
, imageSize
, data
, true,
5133 "glCompressedTextureSubImage1D");
5137 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
5138 GLint xoffset
, GLint yoffset
,
5139 GLsizei width
, GLsizei height
,
5140 GLenum format
, GLsizei imageSize
,
5143 compressed_tex_sub_image_no_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5144 width
, height
, 1, format
, imageSize
, data
,
5145 false, "glCompressedTexSubImage2D");
5150 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
5151 GLint yoffset
, GLsizei width
, GLsizei height
,
5152 GLenum format
, GLsizei imageSize
,
5155 compressed_tex_sub_image_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5156 width
, height
, 1, format
, imageSize
, data
,
5157 false, "glCompressedTexSubImage2D");
5162 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
5163 GLint xoffset
, GLint yoffset
,
5164 GLsizei width
, GLsizei height
,
5165 GLenum format
, GLsizei imageSize
,
5168 compressed_tex_sub_image_no_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5169 width
, height
, 1, format
, imageSize
, data
,
5170 true, "glCompressedTextureSubImage2D");
5175 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
5177 GLsizei width
, GLsizei height
,
5178 GLenum format
, GLsizei imageSize
,
5181 compressed_tex_sub_image_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5182 width
, height
, 1, format
, imageSize
, data
,
5183 true, "glCompressedTextureSubImage2D");
5187 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
5188 GLint xoffset
, GLint yoffset
,
5189 GLint zoffset
, GLsizei width
,
5190 GLsizei height
, GLsizei depth
,
5191 GLenum format
, GLsizei imageSize
,
5194 compressed_tex_sub_image_no_error(3, target
, 0, level
, xoffset
, yoffset
,
5195 zoffset
, width
, height
, depth
, format
,
5196 imageSize
, data
, false,
5197 "glCompressedTexSubImage3D");
5201 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5202 GLint yoffset
, GLint zoffset
, GLsizei width
,
5203 GLsizei height
, GLsizei depth
, GLenum format
,
5204 GLsizei imageSize
, const GLvoid
*data
)
5206 compressed_tex_sub_image_error(3, target
, 0, level
, xoffset
, yoffset
,
5207 zoffset
, width
, height
, depth
, format
,
5208 imageSize
, data
, false,
5209 "glCompressedTexSubImage3D");
5213 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
5214 GLint xoffset
, GLint yoffset
,
5215 GLint zoffset
, GLsizei width
,
5216 GLsizei height
, GLsizei depth
,
5217 GLenum format
, GLsizei imageSize
,
5220 compressed_tex_sub_image_no_error(3, 0, texture
, level
, xoffset
, yoffset
,
5221 zoffset
, width
, height
, depth
, format
,
5222 imageSize
, data
, true,
5223 "glCompressedTextureSubImage3D");
5227 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5228 GLint yoffset
, GLint zoffset
, GLsizei width
,
5229 GLsizei height
, GLsizei depth
,
5230 GLenum format
, GLsizei imageSize
,
5233 compressed_tex_sub_image_error(3, 0, texture
, level
, xoffset
, yoffset
,
5234 zoffset
, width
, height
, depth
, format
,
5235 imageSize
, data
, true,
5236 "glCompressedTextureSubImage3D");
5240 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5242 if (ctx
->API
== API_OPENGL_COMPAT
) {
5243 switch (internalFormat
) {
5245 return MESA_FORMAT_A_UNORM8
;
5247 return MESA_FORMAT_A_UNORM16
;
5248 case GL_ALPHA16F_ARB
:
5249 return MESA_FORMAT_A_FLOAT16
;
5250 case GL_ALPHA32F_ARB
:
5251 return MESA_FORMAT_A_FLOAT32
;
5252 case GL_ALPHA8I_EXT
:
5253 return MESA_FORMAT_A_SINT8
;
5254 case GL_ALPHA16I_EXT
:
5255 return MESA_FORMAT_A_SINT16
;
5256 case GL_ALPHA32I_EXT
:
5257 return MESA_FORMAT_A_SINT32
;
5258 case GL_ALPHA8UI_EXT
:
5259 return MESA_FORMAT_A_UINT8
;
5260 case GL_ALPHA16UI_EXT
:
5261 return MESA_FORMAT_A_UINT16
;
5262 case GL_ALPHA32UI_EXT
:
5263 return MESA_FORMAT_A_UINT32
;
5265 return MESA_FORMAT_L_UNORM8
;
5266 case GL_LUMINANCE16
:
5267 return MESA_FORMAT_L_UNORM16
;
5268 case GL_LUMINANCE16F_ARB
:
5269 return MESA_FORMAT_L_FLOAT16
;
5270 case GL_LUMINANCE32F_ARB
:
5271 return MESA_FORMAT_L_FLOAT32
;
5272 case GL_LUMINANCE8I_EXT
:
5273 return MESA_FORMAT_L_SINT8
;
5274 case GL_LUMINANCE16I_EXT
:
5275 return MESA_FORMAT_L_SINT16
;
5276 case GL_LUMINANCE32I_EXT
:
5277 return MESA_FORMAT_L_SINT32
;
5278 case GL_LUMINANCE8UI_EXT
:
5279 return MESA_FORMAT_L_UINT8
;
5280 case GL_LUMINANCE16UI_EXT
:
5281 return MESA_FORMAT_L_UINT16
;
5282 case GL_LUMINANCE32UI_EXT
:
5283 return MESA_FORMAT_L_UINT32
;
5284 case GL_LUMINANCE8_ALPHA8
:
5285 return MESA_FORMAT_L8A8_UNORM
;
5286 case GL_LUMINANCE16_ALPHA16
:
5287 return MESA_FORMAT_L16A16_UNORM
;
5288 case GL_LUMINANCE_ALPHA16F_ARB
:
5289 return MESA_FORMAT_LA_FLOAT16
;
5290 case GL_LUMINANCE_ALPHA32F_ARB
:
5291 return MESA_FORMAT_LA_FLOAT32
;
5292 case GL_LUMINANCE_ALPHA8I_EXT
:
5293 return MESA_FORMAT_LA_SINT8
;
5294 case GL_LUMINANCE_ALPHA16I_EXT
:
5295 return MESA_FORMAT_LA_SINT16
;
5296 case GL_LUMINANCE_ALPHA32I_EXT
:
5297 return MESA_FORMAT_LA_SINT32
;
5298 case GL_LUMINANCE_ALPHA8UI_EXT
:
5299 return MESA_FORMAT_LA_UINT8
;
5300 case GL_LUMINANCE_ALPHA16UI_EXT
:
5301 return MESA_FORMAT_LA_UINT16
;
5302 case GL_LUMINANCE_ALPHA32UI_EXT
:
5303 return MESA_FORMAT_LA_UINT32
;
5305 return MESA_FORMAT_I_UNORM8
;
5306 case GL_INTENSITY16
:
5307 return MESA_FORMAT_I_UNORM16
;
5308 case GL_INTENSITY16F_ARB
:
5309 return MESA_FORMAT_I_FLOAT16
;
5310 case GL_INTENSITY32F_ARB
:
5311 return MESA_FORMAT_I_FLOAT32
;
5312 case GL_INTENSITY8I_EXT
:
5313 return MESA_FORMAT_I_SINT8
;
5314 case GL_INTENSITY16I_EXT
:
5315 return MESA_FORMAT_I_SINT16
;
5316 case GL_INTENSITY32I_EXT
:
5317 return MESA_FORMAT_I_SINT32
;
5318 case GL_INTENSITY8UI_EXT
:
5319 return MESA_FORMAT_I_UINT8
;
5320 case GL_INTENSITY16UI_EXT
:
5321 return MESA_FORMAT_I_UINT16
;
5322 case GL_INTENSITY32UI_EXT
:
5323 return MESA_FORMAT_I_UINT32
;
5329 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
5330 _mesa_has_OES_texture_buffer(ctx
)) {
5331 switch (internalFormat
) {
5333 return MESA_FORMAT_RGB_FLOAT32
;
5335 return MESA_FORMAT_RGB_UINT32
;
5337 return MESA_FORMAT_RGB_SINT32
;
5343 switch (internalFormat
) {
5345 return MESA_FORMAT_R8G8B8A8_UNORM
;
5347 if (_mesa_is_gles(ctx
))
5348 return MESA_FORMAT_NONE
;
5349 return MESA_FORMAT_RGBA_UNORM16
;
5350 case GL_RGBA16F_ARB
:
5351 return MESA_FORMAT_RGBA_FLOAT16
;
5352 case GL_RGBA32F_ARB
:
5353 return MESA_FORMAT_RGBA_FLOAT32
;
5355 return MESA_FORMAT_RGBA_SINT8
;
5356 case GL_RGBA16I_EXT
:
5357 return MESA_FORMAT_RGBA_SINT16
;
5358 case GL_RGBA32I_EXT
:
5359 return MESA_FORMAT_RGBA_SINT32
;
5360 case GL_RGBA8UI_EXT
:
5361 return MESA_FORMAT_RGBA_UINT8
;
5362 case GL_RGBA16UI_EXT
:
5363 return MESA_FORMAT_RGBA_UINT16
;
5364 case GL_RGBA32UI_EXT
:
5365 return MESA_FORMAT_RGBA_UINT32
;
5368 return MESA_FORMAT_R8G8_UNORM
;
5370 if (_mesa_is_gles(ctx
))
5371 return MESA_FORMAT_NONE
;
5372 return MESA_FORMAT_R16G16_UNORM
;
5374 return MESA_FORMAT_RG_FLOAT16
;
5376 return MESA_FORMAT_RG_FLOAT32
;
5378 return MESA_FORMAT_RG_SINT8
;
5380 return MESA_FORMAT_RG_SINT16
;
5382 return MESA_FORMAT_RG_SINT32
;
5384 return MESA_FORMAT_RG_UINT8
;
5386 return MESA_FORMAT_RG_UINT16
;
5388 return MESA_FORMAT_RG_UINT32
;
5391 return MESA_FORMAT_R_UNORM8
;
5393 if (_mesa_is_gles(ctx
))
5394 return MESA_FORMAT_NONE
;
5395 return MESA_FORMAT_R_UNORM16
;
5397 return MESA_FORMAT_R_FLOAT16
;
5399 return MESA_FORMAT_R_FLOAT32
;
5401 return MESA_FORMAT_R_SINT8
;
5403 return MESA_FORMAT_R_SINT16
;
5405 return MESA_FORMAT_R_SINT32
;
5407 return MESA_FORMAT_R_UINT8
;
5409 return MESA_FORMAT_R_UINT16
;
5411 return MESA_FORMAT_R_UINT32
;
5414 return MESA_FORMAT_NONE
;
5420 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5421 GLenum internalFormat
)
5423 mesa_format format
= _mesa_get_texbuffer_format(ctx
, internalFormat
);
5426 if (format
== MESA_FORMAT_NONE
)
5427 return MESA_FORMAT_NONE
;
5429 datatype
= _mesa_get_format_datatype(format
);
5431 /* The GL_ARB_texture_buffer_object spec says:
5433 * "If ARB_texture_float is not supported, references to the
5434 * floating-point internal formats provided by that extension should be
5435 * removed, and such formats may not be passed to TexBufferARB."
5437 * As a result, GL_HALF_FLOAT internal format depends on both
5438 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5440 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5441 !ctx
->Extensions
.ARB_texture_float
)
5442 return MESA_FORMAT_NONE
;
5444 if (!ctx
->Extensions
.ARB_texture_rg
) {
5445 GLenum base_format
= _mesa_get_format_base_format(format
);
5446 if (base_format
== GL_R
|| base_format
== GL_RG
)
5447 return MESA_FORMAT_NONE
;
5450 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5451 GLenum base_format
= _mesa_get_format_base_format(format
);
5452 if (base_format
== GL_RGB
)
5453 return MESA_FORMAT_NONE
;
5460 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
5461 * and glTextureBufferRange, including some error checking.
5464 texture_buffer_range(struct gl_context
*ctx
,
5465 struct gl_texture_object
*texObj
,
5466 GLenum internalFormat
,
5467 struct gl_buffer_object
*bufObj
,
5468 GLintptr offset
, GLsizeiptr size
,
5471 GLintptr oldOffset
= texObj
->BufferOffset
;
5472 GLsizeiptr oldSize
= texObj
->BufferSize
;
5475 /* NOTE: ARB_texture_buffer_object might not be supported in
5476 * the compatibility profile.
5478 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
5479 !_mesa_has_OES_texture_buffer(ctx
)) {
5480 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5481 "%s(ARB_texture_buffer_object is not"
5482 " implemented for the compatibility profile)", caller
);
5486 if (texObj
->HandleAllocated
) {
5487 /* The ARB_bindless_texture spec says:
5489 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
5490 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
5491 * functions defined in terms of these, if the texture object to be
5492 * modified is referenced by one or more texture or image handles."
5494 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable texture)", caller
);
5498 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5499 if (format
== MESA_FORMAT_NONE
) {
5500 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
5501 caller
, _mesa_enum_to_string(internalFormat
));
5505 FLUSH_VERTICES(ctx
, 0);
5507 _mesa_lock_texture(ctx
, texObj
);
5509 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5510 texObj
->BufferObjectFormat
= internalFormat
;
5511 texObj
->_BufferObjectFormat
= format
;
5512 texObj
->BufferOffset
= offset
;
5513 texObj
->BufferSize
= size
;
5515 _mesa_unlock_texture(ctx
, texObj
);
5517 if (ctx
->Driver
.TexParameter
) {
5518 if (offset
!= oldOffset
) {
5519 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
5521 if (size
!= oldSize
) {
5522 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
5526 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5529 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5535 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5536 * Return true if it is, and return false if it is not
5537 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5538 * core spec, 02.02.2015, PDF page 245).
5541 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5544 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5545 _mesa_error(ctx
, GL_INVALID_ENUM
,
5546 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5554 * Check for errors related to the texture buffer range.
5555 * Return false if errors are found, true if none are found.
5558 check_texture_buffer_range(struct gl_context
*ctx
,
5559 struct gl_buffer_object
*bufObj
,
5560 GLintptr offset
, GLsizeiptr size
,
5563 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5564 * Textures (PDF page 245):
5565 * "An INVALID_VALUE error is generated if offset is negative, if
5566 * size is less than or equal to zero, or if offset + size is greater
5567 * than the value of BUFFER_SIZE for the buffer bound to target."
5570 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5576 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5581 if (offset
+ size
> bufObj
->Size
) {
5582 _mesa_error(ctx
, GL_INVALID_VALUE
,
5583 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5584 (int) offset
, (int) size
, (int) bufObj
->Size
);
5588 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5589 * Textures (PDF page 245):
5590 * "An INVALID_VALUE error is generated if offset is not an integer
5591 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5593 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5594 _mesa_error(ctx
, GL_INVALID_VALUE
,
5595 "%s(invalid offset alignment)", caller
);
5603 /** GL_ARB_texture_buffer_object */
5605 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5607 struct gl_texture_object
*texObj
;
5608 struct gl_buffer_object
*bufObj
;
5610 GET_CURRENT_CONTEXT(ctx
);
5612 /* Need to catch a bad target before it gets to
5613 * _mesa_get_current_tex_object.
5615 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5619 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5625 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5629 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5630 buffer
? -1 : 0, "glTexBuffer");
5634 /** GL_ARB_texture_buffer_range */
5636 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5637 GLintptr offset
, GLsizeiptr size
)
5639 struct gl_texture_object
*texObj
;
5640 struct gl_buffer_object
*bufObj
;
5642 GET_CURRENT_CONTEXT(ctx
);
5644 /* Need to catch a bad target before it gets to
5645 * _mesa_get_current_tex_object.
5647 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5651 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5655 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5656 "glTexBufferRange"))
5660 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5661 * Textures (PDF page 254):
5662 * "If buffer is zero, then any buffer object attached to the buffer
5663 * texture is detached, the values offset and size are ignored and
5664 * the state for offset and size for the buffer texture are reset to
5672 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5676 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5677 offset
, size
, "glTexBufferRange");
5681 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5683 struct gl_texture_object
*texObj
;
5684 struct gl_buffer_object
*bufObj
;
5686 GET_CURRENT_CONTEXT(ctx
);
5689 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5695 /* Get the texture object by Name. */
5696 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5700 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5703 texture_buffer_range(ctx
, texObj
, internalFormat
,
5704 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5708 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5709 GLintptr offset
, GLsizeiptr size
)
5711 struct gl_texture_object
*texObj
;
5712 struct gl_buffer_object
*bufObj
;
5714 GET_CURRENT_CONTEXT(ctx
);
5717 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5718 "glTextureBufferRange");
5722 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5723 "glTextureBufferRange"))
5727 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5728 * Textures (PDF page 254):
5729 * "If buffer is zero, then any buffer object attached to the buffer
5730 * texture is detached, the values offset and size are ignored and
5731 * the state for offset and size for the buffer texture are reset to
5739 /* Get the texture object by Name. */
5740 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5744 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5745 "glTextureBufferRange"))
5748 texture_buffer_range(ctx
, texObj
, internalFormat
,
5749 bufObj
, offset
, size
, "glTextureBufferRange");
5753 _mesa_is_renderable_texture_format(const struct gl_context
*ctx
,
5754 GLenum internalformat
)
5756 /* Everything that is allowed for renderbuffers,
5757 * except for a base format of GL_STENCIL_INDEX, unless supported.
5759 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5760 if (ctx
->Extensions
.ARB_texture_stencil8
)
5761 return baseFormat
!= 0;
5763 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5767 /** GL_ARB_texture_multisample */
5769 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5772 case GL_TEXTURE_2D_MULTISAMPLE
:
5774 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5775 return dims
== 2 && !dsa
;
5776 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5778 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5779 return dims
== 3 && !dsa
;
5787 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5788 struct gl_texture_object
*texObj
,
5789 struct gl_memory_object
*memObj
,
5790 GLenum target
, GLsizei samples
,
5791 GLint internalformat
, GLsizei width
,
5792 GLsizei height
, GLsizei depth
,
5793 GLboolean fixedsamplelocations
,
5794 GLboolean immutable
, GLuint64 offset
,
5797 struct gl_texture_image
*texImage
;
5798 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5799 mesa_format texFormat
;
5800 GLenum sample_count_error
;
5801 bool dsa
= strstr(func
, "ture") ? true : false;
5803 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
5804 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
5805 _mesa_enum_to_string(target
), samples
);
5808 if (!((ctx
->Extensions
.ARB_texture_multisample
5809 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5810 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5815 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5819 if (!check_multisample_target(dims
, target
, dsa
)) {
5820 GLenum err
= dsa
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
5821 _mesa_error(ctx
, err
, "%s(target=%s)", func
,
5822 _mesa_enum_to_string(target
));
5826 /* check that the specified internalformat is color/depth/stencil-renderable;
5827 * refer GL3.1 spec 4.4.4
5830 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5831 _mesa_error(ctx
, GL_INVALID_ENUM
,
5832 "%s(internalformat=%s not legal for immutable-format)",
5833 func
, _mesa_enum_to_string(internalformat
));
5837 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
5838 /* Page 172 of OpenGL ES 3.1 spec says:
5839 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5840 * color-renderable, depth-renderable, or stencil-renderable (as
5841 * defined in section 9.4).
5843 * (Same error is also defined for desktop OpenGL for multisample
5844 * teximage/texstorage functions.)
5846 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5847 _mesa_enum_to_string(internalformat
));
5851 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5852 internalformat
, samples
);
5853 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5855 /* Page 254 of OpenGL 4.4 spec says:
5856 * "Proxy arrays for two-dimensional multisample and two-dimensional
5857 * multisample array textures are operated on in the same way when
5858 * TexImage2DMultisample is called with target specified as
5859 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5860 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5861 * However, if samples is not supported, then no error is generated.
5863 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5864 _mesa_error(ctx
, sample_count_error
, "%s(samples=%d)", func
, samples
);
5868 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5869 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5870 "%s(texture object 0)",
5875 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5877 if (texImage
== NULL
) {
5878 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5882 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5883 internalformat
, GL_NONE
, GL_NONE
);
5884 assert(texFormat
!= MESA_FORMAT_NONE
);
5886 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5887 width
, height
, depth
, 0);
5889 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
5890 samples
, width
, height
, depth
);
5892 if (_mesa_is_proxy_texture(target
)) {
5893 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5894 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5895 internalformat
, texFormat
,
5896 samples
, fixedsamplelocations
);
5899 /* clear all image fields */
5900 clear_teximage_fields(texImage
);
5904 if (!dimensionsOK
) {
5905 _mesa_error(ctx
, GL_INVALID_VALUE
,
5906 "%s(invalid width=%d or height=%d)", func
, width
, height
);
5911 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5915 /* Check if texObj->Immutable is set */
5916 if (texObj
->Immutable
) {
5917 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5921 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5923 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5924 internalformat
, texFormat
,
5925 samples
, fixedsamplelocations
);
5927 if (width
> 0 && height
> 0 && depth
> 0) {
5929 if (!ctx
->Driver
.SetTextureStorageForMemoryObject(ctx
, texObj
,
5934 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5935 internalformat
, texFormat
);
5938 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5939 width
, height
, depth
)) {
5940 /* tidy up the texture image state. strictly speaking,
5941 * we're allowed to just leave this in whatever state we
5942 * like, but being tidy is good.
5944 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5945 internalformat
, texFormat
);
5950 texObj
->Immutable
|= immutable
;
5953 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5956 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5962 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5963 GLenum internalformat
, GLsizei width
,
5964 GLsizei height
, GLboolean fixedsamplelocations
)
5966 struct gl_texture_object
*texObj
;
5967 GET_CURRENT_CONTEXT(ctx
);
5969 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5973 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5974 internalformat
, width
, height
, 1,
5975 fixedsamplelocations
, GL_FALSE
, 0,
5976 "glTexImage2DMultisample");
5981 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5982 GLenum internalformat
, GLsizei width
,
5983 GLsizei height
, GLsizei depth
,
5984 GLboolean fixedsamplelocations
)
5986 struct gl_texture_object
*texObj
;
5987 GET_CURRENT_CONTEXT(ctx
);
5989 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5993 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5994 internalformat
, width
, height
, depth
,
5995 fixedsamplelocations
, GL_FALSE
, 0,
5996 "glTexImage3DMultisample");
6000 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
6001 GLsizei samples
, unsigned dims
)
6003 GET_CURRENT_CONTEXT(ctx
);
6005 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
6006 _mesa_error(ctx
, GL_INVALID_VALUE
,
6007 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
6008 dims
, width
, height
, depth
);
6015 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
6016 GLenum internalformat
, GLsizei width
,
6017 GLsizei height
, GLboolean fixedsamplelocations
)
6019 struct gl_texture_object
*texObj
;
6020 GET_CURRENT_CONTEXT(ctx
);
6022 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6026 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
6029 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
6030 internalformat
, width
, height
, 1,
6031 fixedsamplelocations
, GL_TRUE
, 0,
6032 "glTexStorage2DMultisample");
6036 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
6037 GLenum internalformat
, GLsizei width
,
6038 GLsizei height
, GLsizei depth
,
6039 GLboolean fixedsamplelocations
)
6041 struct gl_texture_object
*texObj
;
6042 GET_CURRENT_CONTEXT(ctx
);
6044 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6048 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
6051 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
6052 internalformat
, width
, height
, depth
,
6053 fixedsamplelocations
, GL_TRUE
, 0,
6054 "glTexStorage3DMultisample");
6058 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
6059 GLenum internalformat
, GLsizei width
,
6061 GLboolean fixedsamplelocations
)
6063 struct gl_texture_object
*texObj
;
6064 GET_CURRENT_CONTEXT(ctx
);
6066 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6067 "glTextureStorage2DMultisample");
6071 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
6074 texture_image_multisample(ctx
, 2, texObj
, NULL
, texObj
->Target
,
6075 samples
, internalformat
, width
, height
, 1,
6076 fixedsamplelocations
, GL_TRUE
, 0,
6077 "glTextureStorage2DMultisample");
6081 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
6082 GLenum internalformat
, GLsizei width
,
6083 GLsizei height
, GLsizei depth
,
6084 GLboolean fixedsamplelocations
)
6086 struct gl_texture_object
*texObj
;
6087 GET_CURRENT_CONTEXT(ctx
);
6089 /* Get the texture object by Name. */
6090 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6091 "glTextureStorage3DMultisample");
6095 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
6098 texture_image_multisample(ctx
, 3, texObj
, NULL
, texObj
->Target
, samples
,
6099 internalformat
, width
, height
, depth
,
6100 fixedsamplelocations
, GL_TRUE
, 0,
6101 "glTextureStorage3DMultisample");
6105 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
6106 struct gl_texture_object
*texObj
,
6107 struct gl_memory_object
*memObj
,
6108 GLenum target
, GLsizei samples
,
6109 GLenum internalFormat
, GLsizei width
,
6110 GLsizei height
, GLsizei depth
,
6111 GLboolean fixedSampleLocations
,
6112 GLuint64 offset
, const char* func
)
6116 texture_image_multisample(ctx
, dims
, texObj
, memObj
, target
, samples
,
6117 internalFormat
, width
, height
, depth
,
6118 fixedSampleLocations
, GL_TRUE
, offset
,