2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
29 * Texture image-related functions.
34 #include "bufferobj.h"
38 #include "framebuffer.h"
44 #include "multisample.h"
45 #include "pixelstore.h"
47 #include "texcompress.h"
48 #include "texcompress_cpal.h"
52 #include "texstorage.h"
53 #include "textureview.h"
55 #include "glformats.h"
61 * State changes which we care about for glCopyTex[Sub]Image() calls.
62 * In particular, we care about pixel transfer state and buffer state
63 * (such as glReadBuffer to make sure we read from the right renderbuffer).
65 #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
68 * Returns a corresponding internal floating point format for a given base
69 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal
70 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it
71 * needs to be a 16 bit component.
73 * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB.
76 adjust_for_oes_float_texture(const struct gl_context
*ctx
,
77 GLenum format
, GLenum type
)
81 if (ctx
->Extensions
.OES_texture_float
) {
88 return GL_ALPHA32F_ARB
;
90 return GL_LUMINANCE32F_ARB
;
91 case GL_LUMINANCE_ALPHA
:
92 return GL_LUMINANCE_ALPHA32F_ARB
;
99 case GL_HALF_FLOAT_OES
:
100 if (ctx
->Extensions
.OES_texture_half_float
) {
107 return GL_ALPHA16F_ARB
;
109 return GL_LUMINANCE16F_ARB
;
110 case GL_LUMINANCE_ALPHA
:
111 return GL_LUMINANCE_ALPHA16F_ARB
;
126 * Returns a corresponding base format for a given internal floating point
127 * format as specifed by OES_texture_float.
130 oes_float_internal_format(const struct gl_context
*ctx
,
131 GLenum format
, GLenum type
)
135 if (ctx
->Extensions
.OES_texture_float
) {
141 case GL_ALPHA32F_ARB
:
143 case GL_LUMINANCE32F_ARB
:
145 case GL_LUMINANCE_ALPHA32F_ARB
:
146 return GL_LUMINANCE_ALPHA
;
153 case GL_HALF_FLOAT_OES
:
154 if (ctx
->Extensions
.OES_texture_half_float
) {
160 case GL_ALPHA16F_ARB
:
162 case GL_LUMINANCE16F_ARB
:
164 case GL_LUMINANCE_ALPHA16F_ARB
:
165 return GL_LUMINANCE_ALPHA
;
177 * Install gl_texture_image in a gl_texture_object according to the target
178 * and level parameters.
180 * \param tObj texture object.
181 * \param target texture target.
182 * \param level image level.
183 * \param texImage texture image.
186 set_tex_image(struct gl_texture_object
*tObj
,
187 GLenum target
, GLint level
,
188 struct gl_texture_image
*texImage
)
190 const GLuint face
= _mesa_tex_target_to_face(target
);
194 if (target
== GL_TEXTURE_RECTANGLE_NV
|| target
== GL_TEXTURE_EXTERNAL_OES
)
197 tObj
->Image
[face
][level
] = texImage
;
199 /* Set the 'back' pointer */
200 texImage
->TexObject
= tObj
;
201 texImage
->Level
= level
;
202 texImage
->Face
= face
;
207 * Free a gl_texture_image and associated data.
208 * This function is a fallback called via ctx->Driver.DeleteTextureImage().
210 * \param texImage texture image.
212 * Free the texture image structure and the associated image data.
215 _mesa_delete_texture_image(struct gl_context
*ctx
,
216 struct gl_texture_image
*texImage
)
218 /* Free texImage->Data and/or any other driver-specific texture
221 assert(ctx
->Driver
.FreeTextureImageBuffer
);
222 ctx
->Driver
.FreeTextureImageBuffer( ctx
, texImage
);
228 * Test if a target is a proxy target.
230 * \param target texture target.
232 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
235 _mesa_is_proxy_texture(GLenum target
)
238 static const GLenum targets
[] = {
242 GL_PROXY_TEXTURE_CUBE_MAP
,
243 GL_PROXY_TEXTURE_RECTANGLE
,
244 GL_PROXY_TEXTURE_1D_ARRAY
,
245 GL_PROXY_TEXTURE_2D_ARRAY
,
246 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
,
247 GL_PROXY_TEXTURE_2D_MULTISAMPLE
,
248 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
251 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
252 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
254 STATIC_ASSERT(NUM_TEXTURE_TARGETS
== ARRAY_SIZE(targets
) + 2);
256 for (i
= 0; i
< ARRAY_SIZE(targets
); ++i
)
257 if (target
== targets
[i
])
264 * Test if a target is an array target.
266 * \param target texture target.
268 * \return true if the target is an array target, false otherwise.
271 _mesa_is_array_texture(GLenum target
)
274 case GL_TEXTURE_1D_ARRAY
:
275 case GL_TEXTURE_2D_ARRAY
:
276 case GL_TEXTURE_CUBE_MAP_ARRAY
:
277 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
285 * Test if a target is a cube map.
287 * \param target texture target.
289 * \return true if the target is a cube map, false otherwise.
292 _mesa_is_cube_map_texture(GLenum target
)
295 case GL_TEXTURE_CUBE_MAP
:
296 case GL_TEXTURE_CUBE_MAP_ARRAY
:
304 * Return the proxy target which corresponds to the given texture target
307 proxy_target(GLenum target
)
311 case GL_PROXY_TEXTURE_1D
:
312 return GL_PROXY_TEXTURE_1D
;
314 case GL_PROXY_TEXTURE_2D
:
315 return GL_PROXY_TEXTURE_2D
;
317 case GL_PROXY_TEXTURE_3D
:
318 return GL_PROXY_TEXTURE_3D
;
319 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
320 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
321 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
322 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
323 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
324 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
325 case GL_TEXTURE_CUBE_MAP
:
326 case GL_PROXY_TEXTURE_CUBE_MAP
:
327 return GL_PROXY_TEXTURE_CUBE_MAP
;
328 case GL_TEXTURE_RECTANGLE_NV
:
329 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
330 return GL_PROXY_TEXTURE_RECTANGLE_NV
;
331 case GL_TEXTURE_1D_ARRAY_EXT
:
332 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
333 return GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
334 case GL_TEXTURE_2D_ARRAY_EXT
:
335 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
336 return GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
337 case GL_TEXTURE_CUBE_MAP_ARRAY
:
338 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
339 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
;
340 case GL_TEXTURE_2D_MULTISAMPLE
:
341 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
342 return GL_PROXY_TEXTURE_2D_MULTISAMPLE
;
343 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
344 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
345 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
;
347 _mesa_problem(NULL
, "unexpected target in proxy_target()");
356 * Get a texture image pointer from a texture object, given a texture
357 * target and mipmap level. The target and level parameters should
358 * have already been error-checked.
360 * \param texObj texture unit.
361 * \param target texture target.
362 * \param level image level.
364 * \return pointer to the texture image structure, or NULL on failure.
366 struct gl_texture_image
*
367 _mesa_select_tex_image(const struct gl_texture_object
*texObj
,
368 GLenum target
, GLint level
)
370 const GLuint face
= _mesa_tex_target_to_face(target
);
374 assert(level
< MAX_TEXTURE_LEVELS
);
376 return texObj
->Image
[face
][level
];
381 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
382 * it and install it. Only return NULL if passed a bad parameter or run
385 struct gl_texture_image
*
386 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
387 GLenum target
, GLint level
)
389 struct gl_texture_image
*texImage
;
394 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
396 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
398 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
402 set_tex_image(texObj
, target
, level
, texImage
);
410 * Return pointer to the specified proxy texture image.
411 * Note that proxy textures are per-context, not per-texture unit.
412 * \return pointer to texture image or NULL if invalid target, invalid
413 * level, or out of memory.
415 static struct gl_texture_image
*
416 get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
)
418 struct gl_texture_image
*texImage
;
425 case GL_PROXY_TEXTURE_1D
:
426 texIndex
= TEXTURE_1D_INDEX
;
428 case GL_PROXY_TEXTURE_2D
:
429 texIndex
= TEXTURE_2D_INDEX
;
431 case GL_PROXY_TEXTURE_3D
:
432 texIndex
= TEXTURE_3D_INDEX
;
434 case GL_PROXY_TEXTURE_CUBE_MAP
:
435 texIndex
= TEXTURE_CUBE_INDEX
;
437 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
440 texIndex
= TEXTURE_RECT_INDEX
;
442 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
443 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
445 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
446 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
448 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
449 texIndex
= TEXTURE_CUBE_ARRAY_INDEX
;
451 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
452 texIndex
= TEXTURE_2D_MULTISAMPLE_INDEX
;
454 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
455 texIndex
= TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
;
461 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
463 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
465 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
468 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
469 /* Set the 'back' pointer */
470 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
477 * Get the maximum number of allowed mipmap levels.
479 * \param ctx GL context.
480 * \param target texture target.
482 * \return the maximum number of allowed mipmap levels for the given
483 * texture target, or zero if passed a bad target.
488 _mesa_max_texture_levels(const struct gl_context
*ctx
, GLenum target
)
492 case GL_PROXY_TEXTURE_1D
:
494 case GL_PROXY_TEXTURE_2D
:
495 return ffs(util_next_power_of_two(ctx
->Const
.MaxTextureSize
));
497 case GL_PROXY_TEXTURE_3D
:
498 return ctx
->Const
.Max3DTextureLevels
;
499 case GL_TEXTURE_CUBE_MAP
:
500 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
501 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
502 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
503 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
504 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
505 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
506 case GL_PROXY_TEXTURE_CUBE_MAP
:
507 return ctx
->Extensions
.ARB_texture_cube_map
508 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
509 case GL_TEXTURE_RECTANGLE_NV
:
510 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
511 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
512 case GL_TEXTURE_1D_ARRAY_EXT
:
513 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
514 case GL_TEXTURE_2D_ARRAY_EXT
:
515 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
516 return ctx
->Extensions
.EXT_texture_array
517 ? ffs(util_next_power_of_two(ctx
->Const
.MaxTextureSize
)) : 0;
518 case GL_TEXTURE_CUBE_MAP_ARRAY
:
519 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
520 return _mesa_has_texture_cube_map_array(ctx
)
521 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
522 case GL_TEXTURE_BUFFER
:
523 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
524 _mesa_has_OES_texture_buffer(ctx
)) ? 1 : 0;
525 case GL_TEXTURE_2D_MULTISAMPLE
:
526 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
527 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
528 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
529 return (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
))
530 && ctx
->Extensions
.ARB_texture_multisample
532 case GL_TEXTURE_EXTERNAL_OES
:
533 return _mesa_has_OES_EGL_image_external(ctx
) ? 1 : 0;
535 return 0; /* bad target */
541 * Return number of dimensions per mipmap level for the given texture target.
544 _mesa_get_texture_dimensions(GLenum target
)
548 case GL_PROXY_TEXTURE_1D
:
551 case GL_TEXTURE_RECTANGLE
:
552 case GL_TEXTURE_CUBE_MAP
:
553 case GL_PROXY_TEXTURE_2D
:
554 case GL_PROXY_TEXTURE_RECTANGLE
:
555 case GL_PROXY_TEXTURE_CUBE_MAP
:
556 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
557 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
558 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
559 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
560 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
561 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
562 case GL_TEXTURE_1D_ARRAY
:
563 case GL_PROXY_TEXTURE_1D_ARRAY
:
564 case GL_TEXTURE_EXTERNAL_OES
:
565 case GL_TEXTURE_2D_MULTISAMPLE
:
566 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
569 case GL_PROXY_TEXTURE_3D
:
570 case GL_TEXTURE_2D_ARRAY
:
571 case GL_PROXY_TEXTURE_2D_ARRAY
:
572 case GL_TEXTURE_CUBE_MAP_ARRAY
:
573 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
574 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
575 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
577 case GL_TEXTURE_BUFFER
:
580 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
588 * Check if a texture target can have more than one layer.
591 _mesa_tex_target_is_layered(GLenum target
)
595 case GL_PROXY_TEXTURE_1D
:
597 case GL_PROXY_TEXTURE_2D
:
598 case GL_TEXTURE_RECTANGLE
:
599 case GL_PROXY_TEXTURE_RECTANGLE
:
600 case GL_TEXTURE_2D_MULTISAMPLE
:
601 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
602 case GL_TEXTURE_BUFFER
:
603 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
604 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
605 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
606 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
607 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
608 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
609 case GL_TEXTURE_EXTERNAL_OES
:
613 case GL_PROXY_TEXTURE_3D
:
614 case GL_TEXTURE_CUBE_MAP
:
615 case GL_PROXY_TEXTURE_CUBE_MAP
:
616 case GL_TEXTURE_1D_ARRAY
:
617 case GL_PROXY_TEXTURE_1D_ARRAY
:
618 case GL_TEXTURE_2D_ARRAY
:
619 case GL_PROXY_TEXTURE_2D_ARRAY
:
620 case GL_TEXTURE_CUBE_MAP_ARRAY
:
621 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
622 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
623 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
627 assert(!"Invalid texture target.");
634 * Return the number of layers present in the given level of an array,
635 * cubemap or 3D texture. If the texture is not layered return zero.
638 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
)
640 assert(level
>= 0 && level
< MAX_TEXTURE_LEVELS
);
642 switch (texObj
->Target
) {
645 case GL_TEXTURE_RECTANGLE
:
646 case GL_TEXTURE_2D_MULTISAMPLE
:
647 case GL_TEXTURE_BUFFER
:
648 case GL_TEXTURE_EXTERNAL_OES
:
651 case GL_TEXTURE_CUBE_MAP
:
654 case GL_TEXTURE_1D_ARRAY
: {
655 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
656 return img
? img
->Height
: 0;
660 case GL_TEXTURE_2D_ARRAY
:
661 case GL_TEXTURE_CUBE_MAP_ARRAY
:
662 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
: {
663 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
664 return img
? img
->Depth
: 0;
668 assert(!"Invalid texture target.");
675 * Return the maximum number of mipmap levels for the given target
676 * and the dimensions.
677 * The dimensions are expected not to include the border.
680 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
687 case GL_TEXTURE_1D_ARRAY
:
688 case GL_PROXY_TEXTURE_1D
:
689 case GL_PROXY_TEXTURE_1D_ARRAY
:
692 case GL_TEXTURE_CUBE_MAP
:
693 case GL_TEXTURE_CUBE_MAP_ARRAY
:
694 case GL_PROXY_TEXTURE_CUBE_MAP
:
695 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
699 case GL_TEXTURE_2D_ARRAY
:
700 case GL_PROXY_TEXTURE_2D
:
701 case GL_PROXY_TEXTURE_2D_ARRAY
:
702 size
= MAX2(width
, height
);
705 case GL_PROXY_TEXTURE_3D
:
706 size
= MAX3(width
, height
, depth
);
708 case GL_TEXTURE_RECTANGLE
:
709 case GL_TEXTURE_EXTERNAL_OES
:
710 case GL_TEXTURE_2D_MULTISAMPLE
:
711 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
712 case GL_PROXY_TEXTURE_RECTANGLE
:
713 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
714 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
721 return _mesa_logbase2(size
) + 1;
725 #if 000 /* not used anymore */
727 * glTexImage[123]D can accept a NULL image pointer. In this case we
728 * create a texture image with unspecified image contents per the OpenGL
732 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
734 const GLint components
= _mesa_components_in_format(format
);
735 const GLint numPixels
= width
* height
* depth
;
736 GLubyte
*data
= (GLubyte
*) malloc(numPixels
* components
* sizeof(GLubyte
));
740 * Let's see if anyone finds this. If glTexImage2D() is called with
741 * a NULL image pointer then load the texture image with something
742 * interesting instead of leaving it indeterminate.
745 static const char message
[8][32] = {
749 " X X XXXX XXX XXXXX ",
752 " X X XXXXX XXX X X ",
756 GLubyte
*imgPtr
= data
;
758 for (h
= 0; h
< depth
; h
++) {
759 for (i
= 0; i
< height
; i
++) {
760 GLint srcRow
= 7 - (i
% 8);
761 for (j
= 0; j
< width
; j
++) {
762 GLint srcCol
= j
% 32;
763 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
764 for (k
= 0; k
< components
; k
++) {
780 * Set the size and format-related fields of a gl_texture_image struct
781 * to zero. This is used when a proxy texture test fails.
784 clear_teximage_fields(struct gl_texture_image
*img
)
787 img
->_BaseFormat
= 0;
788 img
->InternalFormat
= 0;
799 img
->TexFormat
= MESA_FORMAT_NONE
;
801 img
->FixedSampleLocations
= GL_TRUE
;
806 * Initialize basic fields of the gl_texture_image struct.
808 * \param ctx GL context.
809 * \param img texture image structure to be initialized.
810 * \param width image width.
811 * \param height image height.
812 * \param depth image depth.
813 * \param border image border.
814 * \param internalFormat internal format.
815 * \param format the actual hardware format (one of MESA_FORMAT_*)
816 * \param numSamples number of samples per texel, or zero for non-MS.
817 * \param fixedSampleLocations are sample locations fixed?
819 * Fills in the fields of \p img with the given information.
820 * Note: width, height and depth include the border.
823 _mesa_init_teximage_fields_ms(struct gl_context
*ctx
,
824 struct gl_texture_image
*img
,
825 GLsizei width
, GLsizei height
, GLsizei depth
,
826 GLint border
, GLenum internalFormat
,
828 GLuint numSamples
, GLboolean fixedSampleLocations
)
830 const GLint base_format
=_mesa_base_tex_format(ctx
, internalFormat
);
837 target
= img
->TexObject
->Target
;
838 assert(base_format
!= -1);
839 img
->_BaseFormat
= (GLenum16
)base_format
;
840 img
->InternalFormat
= internalFormat
;
841 img
->Border
= border
;
843 img
->Height
= height
;
846 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
847 img
->WidthLog2
= _mesa_logbase2(img
->Width2
);
851 case GL_TEXTURE_BUFFER
:
852 case GL_PROXY_TEXTURE_1D
:
864 case GL_TEXTURE_1D_ARRAY
:
865 case GL_PROXY_TEXTURE_1D_ARRAY
:
866 img
->Height2
= height
; /* no border */
867 img
->HeightLog2
= 0; /* not used */
875 case GL_TEXTURE_RECTANGLE
:
876 case GL_TEXTURE_CUBE_MAP
:
877 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
878 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
879 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
880 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
881 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
882 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
883 case GL_TEXTURE_EXTERNAL_OES
:
884 case GL_PROXY_TEXTURE_2D
:
885 case GL_PROXY_TEXTURE_RECTANGLE
:
886 case GL_PROXY_TEXTURE_CUBE_MAP
:
887 case GL_TEXTURE_2D_MULTISAMPLE
:
888 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
889 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
890 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
897 case GL_TEXTURE_2D_ARRAY
:
898 case GL_PROXY_TEXTURE_2D_ARRAY
:
899 case GL_TEXTURE_CUBE_MAP_ARRAY
:
900 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
901 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
902 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
903 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
904 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
905 img
->Depth2
= depth
; /* no border */
906 img
->DepthLog2
= 0; /* not used */
909 case GL_PROXY_TEXTURE_3D
:
910 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
911 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
912 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
913 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
916 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
921 _mesa_get_tex_max_num_levels(target
,
922 img
->Width2
, img
->Height2
, img
->Depth2
);
923 img
->TexFormat
= format
;
924 img
->NumSamples
= numSamples
;
925 img
->FixedSampleLocations
= fixedSampleLocations
;
930 _mesa_init_teximage_fields(struct gl_context
*ctx
,
931 struct gl_texture_image
*img
,
932 GLsizei width
, GLsizei height
, GLsizei depth
,
933 GLint border
, GLenum internalFormat
,
936 _mesa_init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
937 internalFormat
, format
, 0, GL_TRUE
);
942 * Free and clear fields of the gl_texture_image struct.
944 * \param ctx GL context.
945 * \param texImage texture image structure to be cleared.
947 * After the call, \p texImage will have no data associated with it. Its
948 * fields are cleared so that its parent object will test incomplete.
951 _mesa_clear_texture_image(struct gl_context
*ctx
,
952 struct gl_texture_image
*texImage
)
954 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
955 clear_teximage_fields(texImage
);
960 * Check the width, height, depth and border of a texture image are legal.
961 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
963 * The target and level parameters will have already been validated.
964 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
967 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
968 GLint level
, GLint width
, GLint height
,
969 GLint depth
, GLint border
)
975 case GL_PROXY_TEXTURE_1D
:
976 maxSize
= ctx
->Const
.MaxTextureSize
>> level
;
977 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
979 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
980 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
986 case GL_PROXY_TEXTURE_2D
:
987 case GL_TEXTURE_2D_MULTISAMPLE
:
988 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
989 maxSize
= ctx
->Const
.MaxTextureSize
>> level
;
990 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
992 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
994 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
995 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
997 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1003 case GL_PROXY_TEXTURE_3D
:
1004 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1006 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1008 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1010 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
1012 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1013 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1015 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1017 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
1022 case GL_TEXTURE_RECTANGLE_NV
:
1023 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1026 maxSize
= ctx
->Const
.MaxTextureRectSize
;
1027 if (width
< 0 || width
> maxSize
)
1029 if (height
< 0 || height
> maxSize
)
1033 case GL_TEXTURE_CUBE_MAP
:
1034 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1035 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1036 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1037 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1038 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1039 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1040 case GL_PROXY_TEXTURE_CUBE_MAP
:
1041 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1043 if (width
!= height
)
1045 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1047 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1049 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1050 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1052 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1057 case GL_TEXTURE_1D_ARRAY_EXT
:
1058 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1059 maxSize
= ctx
->Const
.MaxTextureSize
>> level
;
1060 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1062 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1064 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1065 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1070 case GL_TEXTURE_2D_ARRAY_EXT
:
1071 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1072 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1073 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1074 maxSize
= ctx
->Const
.MaxTextureSize
>> level
;
1075 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1077 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1079 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
)
1081 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1082 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1084 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1089 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1090 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1091 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1092 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1094 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1096 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1098 if (width
!= height
)
1100 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
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 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1116 error_check_subtexture_negative_dimensions(struct gl_context
*ctx
,
1125 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width=%d)", func
, subWidth
);
1129 if (dims
> 1 && subHeight
< 0) {
1130 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height=%d)", func
, subHeight
);
1134 if (dims
> 2 && subDepth
< 0) {
1135 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(depth=%d)", func
, subDepth
);
1143 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1144 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1145 * \param destImage the destination texture image.
1146 * \return GL_TRUE if error found, GL_FALSE otherwise.
1149 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1150 const struct gl_texture_image
*destImage
,
1151 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1152 GLsizei subWidth
, GLsizei subHeight
,
1153 GLsizei subDepth
, const char *func
)
1155 const GLenum target
= destImage
->TexObject
->Target
;
1158 /* check xoffset and width */
1159 if (xoffset
< - (GLint
) destImage
->Border
) {
1160 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1164 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1165 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset %d + width %d > %u)", func
,
1166 xoffset
, subWidth
, destImage
->Width
);
1170 /* check yoffset and height */
1172 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1173 if (yoffset
< -yBorder
) {
1174 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1177 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1178 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset %d + height %d > %u)",
1179 func
, yoffset
, subHeight
, destImage
->Height
);
1184 /* check zoffset and depth */
1187 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1188 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1189 0 : destImage
->Border
;
1191 if (zoffset
< -zBorder
) {
1192 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1196 depth
= (GLint
) destImage
->Depth
;
1197 if (target
== GL_TEXTURE_CUBE_MAP
)
1199 if (zoffset
+ subDepth
> depth
) {
1200 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset %d + depth %d > %u)",
1201 func
, zoffset
, subDepth
, depth
);
1207 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1208 * compressed texture images can be updated. But, that restriction may be
1209 * relaxed for particular compressed formats. At this time, all the
1210 * compressed formats supported by Mesa allow sub-textures to be updated
1211 * along compressed block boundaries.
1213 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1215 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1216 /* offset must be multiple of block size */
1217 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1218 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1219 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1220 func
, xoffset
, yoffset
, zoffset
);
1224 /* The size must be a multiple of bw x bh, or we must be using a
1225 * offset+size that exactly hits the edge of the image. This
1226 * is important for small mipmap levels (1x1, 2x1, etc) and for
1229 if ((subWidth
% bw
!= 0) &&
1230 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1231 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1232 "%s(width = %d)", func
, subWidth
);
1236 if ((subHeight
% bh
!= 0) &&
1237 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1238 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1239 "%s(height = %d)", func
, subHeight
);
1243 if ((subDepth
% bd
!= 0) &&
1244 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1245 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1246 "%s(depth = %d)", func
, subDepth
);
1258 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1259 * specific texture image size checks.
1261 * A hardware driver might override this function if, for example, the
1262 * max 3D texture size is 512x512x64 (i.e. not a cube).
1264 * Note that width, height, depth == 0 is not an error. However, a
1265 * texture with zero width/height/depth will be considered "incomplete"
1266 * and texturing will effectively be disabled.
1268 * \param target any texture target/type
1269 * \param numLevels number of mipmap levels in the texture or 0 if not known
1270 * \param level as passed to glTexImage
1271 * \param format the MESA_FORMAT_x for the tex image
1272 * \param numSamples number of samples per texel
1273 * \param width as passed to glTexImage
1274 * \param height as passed to glTexImage
1275 * \param depth as passed to glTexImage
1276 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1279 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1280 GLuint numLevels
, ASSERTED GLint level
,
1281 mesa_format format
, GLuint numSamples
,
1282 GLint width
, GLint height
, GLint depth
)
1284 uint64_t bytes
, mbytes
;
1286 if (numLevels
> 0) {
1287 /* Compute total memory for a whole mipmap. This is the path
1288 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1296 for (l
= 0; l
< numLevels
; l
++) {
1297 GLint nextWidth
, nextHeight
, nextDepth
;
1299 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1301 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1302 &nextWidth
, &nextHeight
,
1305 height
= nextHeight
;
1312 /* We just compute the size of one mipmap level. This is the path
1313 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1315 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1318 bytes
*= _mesa_num_tex_faces(target
);
1319 bytes
*= MAX2(1, numSamples
);
1321 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1323 /* We just check if the image size is less than MaxTextureMbytes.
1324 * Some drivers may do more specific checks.
1326 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1331 * Return true if the format is only valid for glCompressedTexImage.
1334 compressedteximage_only_format(GLenum format
)
1337 case GL_PALETTE4_RGB8_OES
:
1338 case GL_PALETTE4_RGBA8_OES
:
1339 case GL_PALETTE4_R5_G6_B5_OES
:
1340 case GL_PALETTE4_RGBA4_OES
:
1341 case GL_PALETTE4_RGB5_A1_OES
:
1342 case GL_PALETTE8_RGB8_OES
:
1343 case GL_PALETTE8_RGBA8_OES
:
1344 case GL_PALETTE8_R5_G6_B5_OES
:
1345 case GL_PALETTE8_RGBA4_OES
:
1346 case GL_PALETTE8_RGB5_A1_OES
:
1347 case GL_ATC_RGB_AMD
:
1348 case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD
:
1349 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
:
1357 * Return true if the format doesn't support online compression.
1360 _mesa_format_no_online_compression(GLenum format
)
1362 return _mesa_is_astc_format(format
) ||
1363 _mesa_is_etc2_format(format
) ||
1364 compressedteximage_only_format(format
);
1367 /* Writes to an GL error pointer if non-null and returns whether or not the
1368 * error is GL_NO_ERROR */
1370 write_error(GLenum
*err_ptr
, GLenum error
)
1375 return error
== GL_NO_ERROR
;
1379 * Helper function to determine whether a target and specific compression
1380 * format are supported. The error parameter returns GL_NO_ERROR if the
1381 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1382 * or GL_INVALID_ENUM, whichever is more appropriate.
1385 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1386 GLenum intFormat
, GLenum
*error
)
1388 GLboolean target_can_be_compresed
= GL_FALSE
;
1389 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1390 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1394 case GL_PROXY_TEXTURE_2D
:
1395 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1397 case GL_PROXY_TEXTURE_CUBE_MAP
:
1398 case GL_TEXTURE_CUBE_MAP
:
1399 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1400 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1401 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1402 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1403 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1404 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1405 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1407 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1408 case GL_TEXTURE_2D_ARRAY_EXT
:
1409 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1411 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1412 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1413 /* From the KHR_texture_compression_astc_hdr spec:
1415 * Add a second new column "3D Tex." which is empty for all non-ASTC
1416 * formats. If only the LDR profile is supported by the
1417 * implementation, this column is also empty for all ASTC formats. If
1418 * both the LDR and HDR profiles are supported only, this column is
1419 * checked for all ASTC formats.
1421 * Add a third new column "Cube Map Array Tex." which is empty for all
1422 * non-ASTC formats, and checked for all ASTC formats.
1426 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1427 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1428 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1429 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1430 * 8.19 is *not* checked'
1432 * The instances of <internalformat> above should say <target>.
1434 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1435 * have already been handled by normal ETC2/EAC behavior.
1438 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1440 * "The ETC2/EAC texture compression algorithm supports only
1441 * two-dimensional images. If internalformat is an ETC2/EAC format,
1442 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1443 * target is not TEXTURE_2D_ARRAY."
1445 * This should also be applicable for glTexStorage3D(). Other available
1446 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1448 * Section 8.7, page 179 of OpenGL ES 3.2 adds:
1450 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1451 * if internalformat is one of the the formats in table 8.17 and target is
1452 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
1454 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1455 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
1456 * Array” column of table 8.17 is not checked, or if internalformat
1457 * is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
1460 * The instances of <internalformat> above should say <target>.
1462 * Such table 8.17 has checked "Cube Map Array" column for all the
1463 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
1465 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
) &&
1466 !_mesa_is_gles32(ctx
))
1467 return write_error(error
, GL_INVALID_OPERATION
);
1468 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1472 case MESA_FORMAT_LAYOUT_ETC2
:
1473 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1474 if (_mesa_is_gles3(ctx
))
1475 return write_error(error
, GL_INVALID_OPERATION
);
1477 case MESA_FORMAT_LAYOUT_BPTC
:
1478 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1480 case MESA_FORMAT_LAYOUT_ASTC
:
1481 target_can_be_compresed
=
1482 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1483 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1485 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1486 * neither of the above extensions are supported. See comment in
1487 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1489 if (!target_can_be_compresed
)
1490 return write_error(error
, GL_INVALID_OPERATION
);
1498 return write_error(error
,
1499 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1504 * Check if the given texture target value is legal for a
1505 * glTexImage1/2/3D call.
1508 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1514 case GL_PROXY_TEXTURE_1D
:
1515 return _mesa_is_desktop_gl(ctx
);
1523 case GL_PROXY_TEXTURE_2D
:
1524 return _mesa_is_desktop_gl(ctx
);
1525 case GL_PROXY_TEXTURE_CUBE_MAP
:
1526 return _mesa_is_desktop_gl(ctx
)
1527 && ctx
->Extensions
.ARB_texture_cube_map
;
1528 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1529 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1530 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1531 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1532 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1533 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1534 return ctx
->Extensions
.ARB_texture_cube_map
;
1535 case GL_TEXTURE_RECTANGLE_NV
:
1536 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1537 return _mesa_is_desktop_gl(ctx
)
1538 && ctx
->Extensions
.NV_texture_rectangle
;
1539 case GL_TEXTURE_1D_ARRAY_EXT
:
1540 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1541 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1549 case GL_PROXY_TEXTURE_3D
:
1550 return _mesa_is_desktop_gl(ctx
);
1551 case GL_TEXTURE_2D_ARRAY_EXT
:
1552 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1553 || _mesa_is_gles3(ctx
);
1554 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1555 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1556 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1557 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1558 return _mesa_has_texture_cube_map_array(ctx
);
1563 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1570 * Check if the given texture target value is legal for a
1571 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1572 * The difference compared to legal_teximage_target() above is that
1573 * proxy targets are not supported.
1576 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1581 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1586 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1587 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1588 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1589 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1590 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1591 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1592 return ctx
->Extensions
.ARB_texture_cube_map
;
1593 case GL_TEXTURE_RECTANGLE_NV
:
1594 return _mesa_is_desktop_gl(ctx
)
1595 && ctx
->Extensions
.NV_texture_rectangle
;
1596 case GL_TEXTURE_1D_ARRAY_EXT
:
1597 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1605 case GL_TEXTURE_2D_ARRAY_EXT
:
1606 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1607 || _mesa_is_gles3(ctx
);
1608 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1609 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1610 return _mesa_has_texture_cube_map_array(ctx
);
1612 /* Table 8.15 of the OpenGL 4.5 core profile spec
1613 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1614 * and CopyTextureSubImage3D.
1616 case GL_TEXTURE_CUBE_MAP
:
1622 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1630 * Helper function to determine if a texture object is mutable (in terms
1631 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1634 mutable_tex_object(struct gl_texture_object
*texObj
)
1639 if (texObj
->HandleAllocated
) {
1640 /* The ARB_bindless_texture spec says:
1642 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1643 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1644 * functions defined in terms of these, if the texture object to be
1645 * modified is referenced by one or more texture or image handles."
1650 return !texObj
->Immutable
;
1655 * Return expected size of a compressed texture.
1658 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1661 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1662 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1666 * Verify that a texture format is valid with a particular target
1668 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1669 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1672 * \param ctx GL context
1673 * \param target Texture target
1674 * \param internalFormat Internal format of the texture image
1676 * \returns true if the combination is legal, false otherwise.
1679 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1680 GLenum target
, GLenum internalFormat
)
1682 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1683 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1684 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1685 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1686 * Profile spec says:
1688 * "Textures with a base internal format of DEPTH_COMPONENT or
1689 * DEPTH_STENCIL are supported by texture image specification
1690 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1691 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1692 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1693 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1694 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1695 * formats in conjunction with any other target will result in an
1696 * INVALID_OPERATION error."
1698 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1699 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1701 if (target
!= GL_TEXTURE_1D
&&
1702 target
!= GL_PROXY_TEXTURE_1D
&&
1703 target
!= GL_TEXTURE_2D
&&
1704 target
!= GL_PROXY_TEXTURE_2D
&&
1705 target
!= GL_TEXTURE_1D_ARRAY
&&
1706 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1707 target
!= GL_TEXTURE_2D_ARRAY
&&
1708 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1709 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1710 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1711 !((_mesa_is_cube_face(target
) ||
1712 target
== GL_TEXTURE_CUBE_MAP
||
1713 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1714 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1715 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1716 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1717 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1718 _mesa_has_texture_cube_map_array(ctx
))) {
1727 texture_formats_agree(GLenum internalFormat
,
1730 GLboolean colorFormat
;
1731 GLboolean is_format_depth_or_depthstencil
;
1732 GLboolean is_internalFormat_depth_or_depthstencil
;
1734 /* Even though there are no color-index textures, we still have to support
1735 * uploading color-index data and remapping it to RGB via the
1736 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1738 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1740 is_internalFormat_depth_or_depthstencil
=
1741 _mesa_is_depth_format(internalFormat
) ||
1742 _mesa_is_depthstencil_format(internalFormat
);
1744 is_format_depth_or_depthstencil
=
1745 _mesa_is_depth_format(format
) ||
1746 _mesa_is_depthstencil_format(format
);
1748 colorFormat
= _mesa_is_color_format(format
);
1750 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1753 if (is_internalFormat_depth_or_depthstencil
!=
1754 is_format_depth_or_depthstencil
)
1757 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1764 * Test the combination of format, type and internal format arguments of
1765 * different texture operations on GLES.
1767 * \param ctx GL context.
1768 * \param format pixel data format given by the user.
1769 * \param type pixel data type given by the user.
1770 * \param internalFormat internal format given by the user.
1771 * \param callerName name of the caller function to print in the error message
1773 * \return true if a error is found, false otherwise
1775 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1778 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1779 GLenum type
, GLenum internalFormat
, const char *callerName
)
1781 GLenum err
= _mesa_gles_error_check_format_and_type(ctx
, format
, type
,
1783 if (err
!= GL_NO_ERROR
) {
1784 _mesa_error(ctx
, err
,
1785 "%s(format = %s, type = %s, internalformat = %s)",
1786 callerName
, _mesa_enum_to_string(format
),
1787 _mesa_enum_to_string(type
),
1788 _mesa_enum_to_string(internalFormat
));
1796 * Test the glTexImage[123]D() parameters for errors.
1798 * \param ctx GL context.
1799 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1800 * \param target texture target given by the user (already validated).
1801 * \param level image level given by the user.
1802 * \param internalFormat internal format given by the user.
1803 * \param format pixel data format given by the user.
1804 * \param type pixel data type given by the user.
1805 * \param width image width given by the user.
1806 * \param height image height given by the user.
1807 * \param depth image depth given by the user.
1808 * \param border image border given by the user.
1810 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1812 * Verifies each of the parameters against the constants specified in
1813 * __struct gl_contextRec::Const and the supported extensions, and according
1814 * to the OpenGL specification.
1815 * Note that we don't fully error-check the width, height, depth values
1816 * here. That's done in _mesa_legal_texture_dimensions() which is used
1817 * by several other GL entrypoints. Plus, texture dims have a special
1818 * interaction with proxy textures.
1821 texture_error_check( struct gl_context
*ctx
,
1822 GLuint dimensions
, GLenum target
,
1823 struct gl_texture_object
* texObj
,
1824 GLint level
, GLint internalFormat
,
1825 GLenum format
, GLenum type
,
1826 GLint width
, GLint height
,
1827 GLint depth
, GLint border
,
1828 const GLvoid
*pixels
)
1832 /* Note: for proxy textures, some error conditions immediately generate
1833 * a GL error in the usual way. But others do not generate a GL error.
1834 * Instead, they cause the width, height, depth, format fields of the
1835 * texture image to be zeroed-out. The GL spec seems to indicate that the
1836 * zero-out behaviour is only used in cases related to memory allocation.
1840 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1841 _mesa_error(ctx
, GL_INVALID_VALUE
,
1842 "glTexImage%dD(level=%d)", dimensions
, level
);
1847 if (border
< 0 || border
> 1 ||
1848 ((ctx
->API
!= API_OPENGL_COMPAT
||
1849 target
== GL_TEXTURE_RECTANGLE_NV
||
1850 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1851 _mesa_error(ctx
, GL_INVALID_VALUE
,
1852 "glTexImage%dD(border=%d)", dimensions
, border
);
1856 if (width
< 0 || height
< 0 || depth
< 0) {
1857 _mesa_error(ctx
, GL_INVALID_VALUE
,
1858 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1862 /* Check incoming image format and type */
1863 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1864 if (err
!= GL_NO_ERROR
) {
1865 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1866 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1868 * "Specifying a value for internalformat that is not one of the
1869 * above (acceptable) values generates the error INVALID VALUE."
1871 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1872 err
= GL_INVALID_VALUE
;
1874 _mesa_error(ctx
, err
,
1875 "glTexImage%dD(incompatible format = %s, type = %s)",
1876 dimensions
, _mesa_enum_to_string(format
),
1877 _mesa_enum_to_string(type
));
1881 /* Check internalFormat */
1882 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1883 _mesa_error(ctx
, GL_INVALID_VALUE
,
1884 "glTexImage%dD(internalFormat=%s)",
1885 dimensions
, _mesa_enum_to_string(internalFormat
));
1889 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1890 * combinations of format, internalFormat, and type that can be used.
1891 * Formats and types that require additional extensions (e.g., GL_FLOAT
1892 * requires GL_OES_texture_float) are filtered elsewhere.
1894 char bufCallerName
[20];
1895 _mesa_snprintf(bufCallerName
, 20, "glTexImage%dD", dimensions
);
1896 if (_mesa_is_gles(ctx
) &&
1897 texture_format_error_check_gles(ctx
, format
, type
,
1898 internalFormat
, bufCallerName
)) {
1902 /* validate the bound PBO, if any */
1903 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1904 width
, height
, depth
, format
, type
,
1905 INT_MAX
, pixels
, "glTexImage")) {
1909 /* make sure internal format and format basically agree */
1910 if (!texture_formats_agree(internalFormat
, format
)) {
1911 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1912 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1913 dimensions
, _mesa_enum_to_string(internalFormat
),
1914 _mesa_enum_to_string(format
));
1918 /* additional checks for ycbcr textures */
1919 if (internalFormat
== GL_YCBCR_MESA
) {
1920 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1921 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1922 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1924 _mesa_snprintf(message
, sizeof(message
),
1925 "glTexImage%dD(format/type YCBCR mismatch)",
1927 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1928 return GL_TRUE
; /* error */
1930 if (target
!= GL_TEXTURE_2D
&&
1931 target
!= GL_PROXY_TEXTURE_2D
&&
1932 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1933 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1934 _mesa_error(ctx
, GL_INVALID_ENUM
,
1935 "glTexImage%dD(bad target for YCbCr texture)",
1941 _mesa_snprintf(message
, sizeof(message
),
1942 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1943 dimensions
, border
);
1944 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1949 /* additional checks for depth textures */
1950 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1951 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1952 "glTexImage%dD(bad target for texture)", dimensions
);
1956 /* additional checks for compressed textures */
1957 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1959 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1960 _mesa_error(ctx
, err
,
1961 "glTexImage%dD(target can't be compressed)", dimensions
);
1964 if (_mesa_format_no_online_compression(internalFormat
)) {
1965 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1966 "glTexImage%dD(no compression for format)", dimensions
);
1970 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1971 "glTexImage%dD(border!=0)", dimensions
);
1976 /* additional checks for integer textures */
1977 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1978 (_mesa_is_enum_format_integer(format
) !=
1979 _mesa_is_enum_format_integer(internalFormat
))) {
1980 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1981 "glTexImage%dD(integer/non-integer format mismatch)",
1986 if (!mutable_tex_object(texObj
)) {
1987 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1988 "glTexImage%dD(immutable texture)", dimensions
);
1992 /* if we get here, the parameters are OK */
1998 * Error checking for glCompressedTexImage[123]D().
1999 * Note that the width, height and depth values are not fully error checked
2001 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2004 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2005 GLenum target
, struct gl_texture_object
* texObj
,
2006 GLint level
, GLenum internalFormat
, GLsizei width
,
2007 GLsizei height
, GLsizei depth
, GLint border
,
2008 GLsizei imageSize
, const GLvoid
*data
)
2010 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2012 GLenum error
= GL_NO_ERROR
;
2013 char *reason
= ""; /* no error */
2015 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
2020 /* This will detect any invalid internalFormat value */
2021 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2022 _mesa_error(ctx
, GL_INVALID_ENUM
,
2023 "glCompressedTexImage%dD(internalFormat=%s)",
2024 dimensions
, _mesa_enum_to_string(internalFormat
));
2028 /* validate the bound PBO, if any */
2029 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2031 "glCompressedTexImage")) {
2035 switch (internalFormat
) {
2036 case GL_PALETTE4_RGB8_OES
:
2037 case GL_PALETTE4_RGBA8_OES
:
2038 case GL_PALETTE4_R5_G6_B5_OES
:
2039 case GL_PALETTE4_RGBA4_OES
:
2040 case GL_PALETTE4_RGB5_A1_OES
:
2041 case GL_PALETTE8_RGB8_OES
:
2042 case GL_PALETTE8_RGBA8_OES
:
2043 case GL_PALETTE8_R5_G6_B5_OES
:
2044 case GL_PALETTE8_RGBA4_OES
:
2045 case GL_PALETTE8_RGB5_A1_OES
:
2046 /* check level (note that level should be zero or less!) */
2047 if (level
> 0 || level
< -maxLevels
) {
2049 error
= GL_INVALID_VALUE
;
2053 if (dimensions
!= 2) {
2054 reason
= "compressed paletted textures must be 2D";
2055 error
= GL_INVALID_OPERATION
;
2059 /* Figure out the expected texture size (in bytes). This will be
2060 * checked against the actual size later.
2062 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2065 /* This is for the benefit of the TestProxyTexImage below. It expects
2066 * level to be non-negative. OES_compressed_paletted_texture uses a
2067 * weird mechanism where the level specified to glCompressedTexImage2D
2068 * is -(n-1) number of levels in the texture, and the data specifies the
2069 * complete mipmap stack. This is done to ensure the palette is the
2070 * same for all levels.
2077 if (level
< 0 || level
>= maxLevels
) {
2079 error
= GL_INVALID_VALUE
;
2083 /* Figure out the expected texture size (in bytes). This will be
2084 * checked against the actual size later.
2086 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2090 /* This should really never fail */
2091 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2092 reason
= "internalFormat";
2093 error
= GL_INVALID_ENUM
;
2097 /* No compressed formats support borders at this time */
2099 reason
= "border != 0";
2100 error
= GL_INVALID_VALUE
;
2104 /* Check for invalid pixel storage modes */
2105 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2107 "glCompressedTexImage")) {
2111 /* check image size in bytes */
2112 if (expectedSize
!= imageSize
) {
2113 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2114 * if <imageSize> is not consistent with the format, dimensions, and
2115 * contents of the specified image.
2117 reason
= "imageSize inconsistent with width/height/format";
2118 error
= GL_INVALID_VALUE
;
2122 if (!mutable_tex_object(texObj
)) {
2123 reason
= "immutable texture";
2124 error
= GL_INVALID_OPERATION
;
2131 /* Note: not all error paths exit through here. */
2132 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2133 dimensions
, reason
);
2140 * Test glTexSubImage[123]D() parameters for errors.
2142 * \param ctx GL context.
2143 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2144 * \param target texture target given by the user (already validated)
2145 * \param level image level given by the user.
2146 * \param xoffset sub-image x offset given by the user.
2147 * \param yoffset sub-image y offset given by the user.
2148 * \param zoffset sub-image z offset given by the user.
2149 * \param format pixel data format given by the user.
2150 * \param type pixel data type given by the user.
2151 * \param width image width given by the user.
2152 * \param height image height given by the user.
2153 * \param depth image depth given by the user.
2155 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2157 * Verifies each of the parameters against the constants specified in
2158 * __struct gl_contextRec::Const and the supported extensions, and according
2159 * to the OpenGL specification.
2162 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2163 struct gl_texture_object
*texObj
,
2164 GLenum target
, GLint level
,
2165 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2166 GLint width
, GLint height
, GLint depth
,
2167 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2168 const char *callerName
)
2170 struct gl_texture_image
*texImage
;
2174 /* must be out of memory */
2175 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2180 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2181 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2185 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2186 width
, height
, depth
,
2191 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2193 /* non-existant texture level */
2194 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
2199 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2200 if (err
!= GL_NO_ERROR
) {
2201 _mesa_error(ctx
, err
,
2202 "%s(incompatible format = %s, type = %s)",
2203 callerName
, _mesa_enum_to_string(format
),
2204 _mesa_enum_to_string(type
));
2208 GLenum internalFormat
= _mesa_is_gles(ctx
) ?
2209 oes_float_internal_format(ctx
, texImage
->InternalFormat
, type
) :
2210 texImage
->InternalFormat
;
2212 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2213 * combinations of format, internalFormat, and type that can be used.
2214 * Formats and types that require additional extensions (e.g., GL_FLOAT
2215 * requires GL_OES_texture_float) are filtered elsewhere.
2217 if (_mesa_is_gles(ctx
) &&
2218 texture_format_error_check_gles(ctx
, format
, type
,
2219 internalFormat
, callerName
)) {
2223 /* validate the bound PBO, if any */
2224 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2225 width
, height
, depth
, format
, type
,
2226 INT_MAX
, pixels
, callerName
)) {
2230 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2231 texImage
, xoffset
, yoffset
, zoffset
,
2232 width
, height
, depth
, callerName
)) {
2236 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2237 if (_mesa_format_no_online_compression(texImage
->InternalFormat
)) {
2238 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2239 "%s(no compression for format)", callerName
);
2244 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2245 /* both source and dest must be integer-valued, or neither */
2246 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2247 _mesa_is_enum_format_integer(format
)) {
2248 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2249 "%s(integer/non-integer format mismatch)", callerName
);
2259 * Test glCopyTexImage[12]D() parameters for errors.
2261 * \param ctx GL context.
2262 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2263 * \param target texture target given by the user.
2264 * \param level image level given by the user.
2265 * \param internalFormat internal format given by the user.
2266 * \param width image width given by the user.
2267 * \param height image height given by the user.
2268 * \param border texture border.
2270 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2272 * Verifies each of the parameters against the constants specified in
2273 * __struct gl_contextRec::Const and the supported extensions, and according
2274 * to the OpenGL specification.
2277 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2278 GLenum target
, struct gl_texture_object
* texObj
,
2279 GLint level
, GLint internalFormat
, GLint border
)
2282 GLint rb_base_format
;
2283 struct gl_renderbuffer
*rb
;
2284 GLenum rb_internal_format
;
2287 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2288 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2289 dimensions
, _mesa_enum_to_string(target
));
2294 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2295 _mesa_error(ctx
, GL_INVALID_VALUE
,
2296 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2300 /* Check that the source buffer is complete */
2301 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2302 if (ctx
->ReadBuffer
->_Status
== 0) {
2303 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2305 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2306 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2307 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2311 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2312 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2313 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2319 if (border
< 0 || border
> 1 ||
2320 ((ctx
->API
!= API_OPENGL_COMPAT
||
2321 target
== GL_TEXTURE_RECTANGLE_NV
||
2322 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2323 _mesa_error(ctx
, GL_INVALID_VALUE
,
2324 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2328 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2331 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2332 switch (internalFormat
) {
2337 case GL_LUMINANCE_ALPHA
:
2340 _mesa_error(ctx
, GL_INVALID_ENUM
,
2341 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2342 _mesa_enum_to_string(internalFormat
));
2347 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2348 * OpenGL 4.5 (Compatibility Profile) spec says:
2350 * "Parameters level, internalformat, and border are specified using
2351 * the same values, with the same meanings, as the corresponding
2352 * arguments of TexImage2D, except that internalformat may not be
2353 * specified as 1, 2, 3, or 4."
2355 if (internalFormat
>= 1 && internalFormat
<= 4) {
2356 _mesa_error(ctx
, GL_INVALID_ENUM
,
2357 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2363 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2364 if (baseFormat
< 0) {
2365 _mesa_error(ctx
, GL_INVALID_ENUM
,
2366 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2367 _mesa_enum_to_string(internalFormat
));
2371 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2373 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2374 "glCopyTexImage%dD(read buffer)", dimensions
);
2378 rb_internal_format
= rb
->InternalFormat
;
2379 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2380 if (_mesa_is_color_format(internalFormat
)) {
2381 if (rb_base_format
< 0) {
2382 _mesa_error(ctx
, GL_INVALID_VALUE
,
2383 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2384 _mesa_enum_to_string(internalFormat
));
2389 if (_mesa_is_gles(ctx
)) {
2391 if (_mesa_components_in_format(baseFormat
) >
2392 _mesa_components_in_format(rb_base_format
)) {
2395 if (baseFormat
== GL_DEPTH_COMPONENT
||
2396 baseFormat
== GL_DEPTH_STENCIL
||
2397 baseFormat
== GL_STENCIL_INDEX
||
2398 rb_base_format
== GL_DEPTH_COMPONENT
||
2399 rb_base_format
== GL_DEPTH_STENCIL
||
2400 rb_base_format
== GL_STENCIL_INDEX
||
2401 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2402 baseFormat
== GL_ALPHA
) &&
2403 rb_base_format
!= GL_RGBA
) ||
2404 internalFormat
== GL_RGB9_E5
) {
2407 if (internalFormat
== GL_RGB9_E5
) {
2411 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2412 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2413 _mesa_enum_to_string(internalFormat
));
2418 if (_mesa_is_gles3(ctx
)) {
2419 bool rb_is_srgb
= (ctx
->Extensions
.EXT_sRGB
&&
2420 _mesa_is_format_srgb(rb
->Format
));
2421 bool dst_is_srgb
= false;
2423 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2427 if (rb_is_srgb
!= dst_is_srgb
) {
2428 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2429 * OpenGLES 3.0.0 spec says:
2431 * "The error INVALID_OPERATION is also generated if the
2432 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2433 * framebuffer attachment corresponding to the read buffer
2434 * is LINEAR (see section 6.1.13) and internalformat is
2435 * one of the sRGB formats described in section 3.8.16, or
2436 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2437 * SRGB and internalformat is not one of the sRGB formats."
2439 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2440 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2444 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2445 * types for SNORM formats. Also, conversion to SNORM formats is not
2446 * allowed by Table 3.2 on Page 110.
2448 if (!_mesa_has_EXT_render_snorm(ctx
) &&
2449 _mesa_is_enum_format_snorm(internalFormat
)) {
2450 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2451 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2452 _mesa_enum_to_string(internalFormat
));
2457 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2458 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2459 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2463 /* From the EXT_texture_integer spec:
2465 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2466 * if the texture internalformat is an integer format and the read color
2467 * buffer is not an integer format, or if the internalformat is not an
2468 * integer format and the read color buffer is an integer format."
2470 if (_mesa_is_color_format(internalFormat
)) {
2471 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2472 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2473 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2474 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2475 if (is_int
|| is_rbint
) {
2476 if (is_int
!= is_rbint
) {
2477 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2478 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2480 } else if (_mesa_is_gles(ctx
) &&
2481 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2482 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2483 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2484 "glCopyTexImage%dD(signed vs unsigned integer)",
2490 /* From page 138 of OpenGL ES 3.0 spec:
2491 * "The error INVALID_OPERATION is generated if floating-point RGBA
2492 * data is required; if signed integer RGBA data is required and the
2493 * format of the current color buffer is not signed integer; if
2494 * unsigned integer RGBA data is required and the format of the
2495 * current color buffer is not unsigned integer; or if fixed-point
2496 * RGBA data is required and the format of the current color buffer
2497 * is not fixed-point.
2499 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2500 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2501 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2504 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2506 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2507 _mesa_error(ctx
, err
,
2508 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2511 if (_mesa_format_no_online_compression(internalFormat
)) {
2512 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2513 "glCopyTexImage%dD(no compression for format)", dimensions
);
2517 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2518 "glCopyTexImage%dD(border!=0)", dimensions
);
2523 if (!mutable_tex_object(texObj
)) {
2524 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2525 "glCopyTexImage%dD(immutable texture)", dimensions
);
2529 /* if we get here, the parameters are OK */
2535 * Test glCopyTexSubImage[12]D() parameters for errors.
2536 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2539 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2540 const struct gl_texture_object
*texObj
,
2541 GLenum target
, GLint level
,
2542 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2543 GLint width
, GLint height
, const char *caller
)
2547 struct gl_texture_image
*texImage
;
2549 /* Check that the source buffer is complete */
2550 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2551 if (ctx
->ReadBuffer
->_Status
== 0) {
2552 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2554 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2555 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2556 "%s(invalid readbuffer)", caller
);
2560 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2561 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2562 "%s(multisample FBO)", caller
);
2568 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2569 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2573 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2575 /* destination image does not exist */
2576 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2577 "%s(invalid texture level %d)", caller
, level
);
2581 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2582 width
, height
, 1, caller
)) {
2586 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2587 xoffset
, yoffset
, zoffset
,
2588 width
, height
, 1, caller
)) {
2592 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2593 if (_mesa_format_no_online_compression(texImage
->InternalFormat
)) {
2594 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2595 "%s(no compression for format)", caller
);
2600 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2601 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2605 /* From OpenGL ES 3.2 spec, section 8.6:
2607 * "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
2608 * CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
2609 * texture image being (re)specified is RGB9_E5"
2611 if (texImage
->InternalFormat
== GL_RGB9_E5
&&
2612 !_mesa_is_desktop_gl(ctx
)) {
2613 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2614 "%s(invalid internal format %s)", caller
,
2615 _mesa_enum_to_string(texImage
->InternalFormat
));
2619 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2620 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2621 "%s(missing readbuffer, format=%s)", caller
,
2622 _mesa_enum_to_string(texImage
->_BaseFormat
));
2626 /* From the EXT_texture_integer spec:
2628 * "INVALID_OPERATION is generated by CopyTexImage* and
2629 * CopyTexSubImage* if the texture internalformat is an integer format
2630 * and the read color buffer is not an integer format, or if the
2631 * internalformat is not an integer format and the read color buffer
2632 * is an integer format."
2634 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2635 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2637 if (_mesa_is_format_integer_color(rb
->Format
) !=
2638 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2639 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2640 "%s(integer vs non-integer)", caller
);
2645 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2646 * framebuffer/destination texture base internal format combinations),
2647 * all the entries for stencil are left blank (unsupported).
2649 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2650 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2654 /* if we get here, the parameters are OK */
2659 /** Callback info for walking over FBO hash table */
2662 struct gl_context
*ctx
;
2663 struct gl_texture_object
*texObj
;
2669 * Check render to texture callback. Called from _mesa_HashWalk().
2672 check_rtt_cb(UNUSED GLuint key
, void *data
, void *userData
)
2674 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2675 const struct cb_info
*info
= (struct cb_info
*) userData
;
2676 struct gl_context
*ctx
= info
->ctx
;
2677 const struct gl_texture_object
*texObj
= info
->texObj
;
2678 const GLuint level
= info
->level
, face
= info
->face
;
2680 /* If this is a user-created FBO */
2681 if (_mesa_is_user_fbo(fb
)) {
2683 /* check if any of the FBO's attachments point to 'texObj' */
2684 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2685 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2686 if (att
->Type
== GL_TEXTURE
&&
2687 att
->Texture
== texObj
&&
2688 att
->TextureLevel
== level
&&
2689 att
->CubeMapFace
== face
) {
2690 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2691 assert(att
->Renderbuffer
->TexImage
);
2692 /* Mark fb status as indeterminate to force re-validation */
2695 /* Make sure that the revalidation actually happens if this is
2696 * being done to currently-bound buffers.
2698 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2699 ctx
->NewState
|= _NEW_BUFFERS
;
2707 * When a texture image is specified we have to check if it's bound to
2708 * any framebuffer objects (render to texture) in order to detect changes
2709 * in size or format since that effects FBO completeness.
2710 * Any FBOs rendering into the texture must be re-validated.
2713 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2714 struct gl_texture_object
*texObj
,
2715 GLuint face
, GLuint level
)
2717 /* Only check this texture if it's been marked as RenderToTexture */
2718 if (texObj
->_RenderToTexture
) {
2719 struct cb_info info
;
2721 info
.texObj
= texObj
;
2724 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2730 * If the texture object's GenerateMipmap flag is set and we've
2731 * changed the texture base level image, regenerate the rest of the
2732 * mipmap levels now.
2735 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2736 struct gl_texture_object
*texObj
, GLint level
)
2738 if (texObj
->GenerateMipmap
&&
2739 level
== texObj
->BaseLevel
&&
2740 level
< texObj
->MaxLevel
) {
2741 assert(ctx
->Driver
.GenerateMipmap
);
2742 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2747 /** Debug helper: override the user-requested internal format */
2749 override_internal_format(GLenum internalFormat
, UNUSED GLint width
,
2750 UNUSED GLint height
)
2753 if (internalFormat
== GL_RGBA16F_ARB
||
2754 internalFormat
== GL_RGBA32F_ARB
) {
2755 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2758 else if (internalFormat
== GL_RGB16F_ARB
||
2759 internalFormat
== GL_RGB32F_ARB
) {
2760 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2763 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2764 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2765 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2766 return GL_LUMINANCE_ALPHA
;
2768 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2769 internalFormat
== GL_LUMINANCE32F_ARB
) {
2770 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2771 return GL_LUMINANCE
;
2773 else if (internalFormat
== GL_ALPHA16F_ARB
||
2774 internalFormat
== GL_ALPHA32F_ARB
) {
2775 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2779 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2780 internalFormat = GL_RGBA;
2784 return internalFormat
;
2787 return internalFormat
;
2793 * Choose the actual hardware format for a texture image.
2794 * Try to use the same format as the previous image level when possible.
2795 * Otherwise, ask the driver for the best format.
2796 * It's important to try to choose a consistant format for all levels
2797 * for efficient texture memory layout/allocation. In particular, this
2798 * comes up during automatic mipmap generation.
2801 _mesa_choose_texture_format(struct gl_context
*ctx
,
2802 struct gl_texture_object
*texObj
,
2803 GLenum target
, GLint level
,
2804 GLenum internalFormat
, GLenum format
, GLenum type
)
2808 /* see if we've already chosen a format for the previous level */
2810 struct gl_texture_image
*prevImage
=
2811 _mesa_select_tex_image(texObj
, target
, level
- 1);
2812 /* See if the prev level is defined and has an internal format which
2813 * matches the new internal format.
2816 prevImage
->Width
> 0 &&
2817 prevImage
->InternalFormat
== internalFormat
) {
2818 /* use the same format */
2819 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2820 return prevImage
->TexFormat
;
2824 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2826 assert(f
!= MESA_FORMAT_NONE
);
2832 * Adjust pixel unpack params and image dimensions to strip off the
2833 * one-pixel texture border.
2835 * Gallium and intel don't support texture borders. They've seldem been used
2836 * and seldom been implemented correctly anyway.
2838 * \param unpackNew returns the new pixel unpack parameters
2841 strip_texture_border(GLenum target
,
2842 GLint
*width
, GLint
*height
, GLint
*depth
,
2843 const struct gl_pixelstore_attrib
*unpack
,
2844 struct gl_pixelstore_attrib
*unpackNew
)
2850 *unpackNew
= *unpack
;
2852 if (unpackNew
->RowLength
== 0)
2853 unpackNew
->RowLength
= *width
;
2855 if (unpackNew
->ImageHeight
== 0)
2856 unpackNew
->ImageHeight
= *height
;
2858 assert(*width
>= 3);
2859 unpackNew
->SkipPixels
++; /* skip the border */
2860 *width
= *width
- 2; /* reduce the width by two border pixels */
2862 /* The min height of a texture with a border is 3 */
2863 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2864 unpackNew
->SkipRows
++; /* skip the border */
2865 *height
= *height
- 2; /* reduce the height by two border pixels */
2869 target
!= GL_TEXTURE_2D_ARRAY
&&
2870 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2871 unpackNew
->SkipImages
++; /* skip the border */
2872 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2876 static struct gl_texture_object
*
2877 lookup_texture_ext_dsa(struct gl_context
*ctx
, GLenum target
, GLuint texture
,
2882 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
2883 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
2884 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
2885 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
2886 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
2887 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
2888 boundTarget
= GL_TEXTURE_CUBE_MAP
;
2891 boundTarget
= target
;
2895 int targetIndex
= _mesa_tex_target_to_index(ctx
, boundTarget
);
2896 if (targetIndex
< 0) {
2897 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target = %s)", caller
,
2898 _mesa_enum_to_string(target
));
2901 assert(targetIndex
< NUM_TEXTURE_TARGETS
);
2903 struct gl_texture_object
*texObj
;
2905 /* Use a default texture object */
2906 texObj
= ctx
->Shared
->DefaultTex
[targetIndex
];
2909 texObj
= _mesa_lookup_texture(ctx
, texture
);
2910 if (!texObj
&& ctx
->API
== API_OPENGL_CORE
) {
2911 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", caller
);
2916 texObj
= ctx
->Driver
.NewTextureObject(ctx
, texture
, boundTarget
);
2918 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s", caller
);
2922 /* insert into hash table */
2923 _mesa_HashInsert(ctx
->Shared
->TexObjects
, texObj
->Name
, texObj
);
2926 if (texObj
->Target
!= boundTarget
) {
2927 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(%s != %s)",
2928 caller
, _mesa_enum_to_string(texObj
->Target
),
2929 _mesa_enum_to_string(target
));
2938 * Common code to implement all the glTexImage1D/2D/3D functions,
2939 * glCompressedTexImage1D/2D/3D and glTextureImage1D/2D/3DEXT
2940 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2941 * \param format the user's image format (only used if !compressed)
2942 * \param type the user's image type (only used if !compressed)
2943 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2945 static ALWAYS_INLINE
void
2946 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2947 struct gl_texture_object
*texObj
,
2948 GLenum target
, GLint level
, GLint internalFormat
,
2949 GLsizei width
, GLsizei height
, GLsizei depth
,
2950 GLint border
, GLenum format
, GLenum type
,
2951 GLsizei imageSize
, const GLvoid
*pixels
, bool no_error
)
2953 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2954 struct gl_pixelstore_attrib unpack_no_border
;
2955 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2956 mesa_format texFormat
;
2957 bool dimensionsOK
= true, sizeOK
= true;
2959 FLUSH_VERTICES(ctx
, 0);
2961 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2964 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2966 _mesa_enum_to_string(target
), level
,
2967 _mesa_enum_to_string(internalFormat
),
2968 width
, height
, depth
, border
, pixels
);
2971 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2973 _mesa_enum_to_string(target
), level
,
2974 _mesa_enum_to_string(internalFormat
),
2975 width
, height
, depth
, border
,
2976 _mesa_enum_to_string(format
),
2977 _mesa_enum_to_string(type
), pixels
);
2980 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2983 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2986 /* target error checking */
2987 if (!legal_teximage_target(ctx
, dims
, target
)) {
2988 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2989 func
, dims
, _mesa_enum_to_string(target
));
2993 /* general error checking */
2995 if (compressed_texture_error_check(ctx
, dims
, target
, texObj
,
2996 level
, internalFormat
,
2997 width
, height
, depth
,
2998 border
, imageSize
, pixels
))
3001 if (texture_error_check(ctx
, dims
, target
, texObj
, level
, internalFormat
,
3002 format
, type
, width
, height
, depth
, border
,
3009 /* Here we convert a cpal compressed image into a regular glTexImage2D
3010 * call by decompressing the texture. If we really want to support cpal
3011 * textures in any driver this would have to be changed.
3013 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
3014 switch (internalFormat
) {
3015 case GL_PALETTE4_RGB8_OES
:
3016 case GL_PALETTE4_RGBA8_OES
:
3017 case GL_PALETTE4_R5_G6_B5_OES
:
3018 case GL_PALETTE4_RGBA4_OES
:
3019 case GL_PALETTE4_RGB5_A1_OES
:
3020 case GL_PALETTE8_RGB8_OES
:
3021 case GL_PALETTE8_RGBA8_OES
:
3022 case GL_PALETTE8_R5_G6_B5_OES
:
3023 case GL_PALETTE8_RGBA4_OES
:
3024 case GL_PALETTE8_RGB5_A1_OES
:
3025 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
3026 width
, height
, imageSize
, pixels
);
3032 /* For glCompressedTexImage() the driver has no choice about the
3033 * texture format since we'll never transcode the user's compressed
3034 * image data. The internalFormat was error checked earlier.
3036 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
3039 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3040 * internal floating point format for the given base format.
3042 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
3043 if (type
== GL_FLOAT
) {
3044 texObj
->_IsFloat
= GL_TRUE
;
3045 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
3046 texObj
->_IsHalfFloat
= GL_TRUE
;
3049 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
3052 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3053 internalFormat
, format
, type
);
3056 assert(texFormat
!= MESA_FORMAT_NONE
);
3059 /* check that width, height, depth are legal for the mipmap level */
3060 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3061 height
, depth
, border
);
3063 /* check that the texture won't take too much memory, etc */
3064 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3065 0, level
, texFormat
, 1,
3066 width
, height
, depth
);
3069 if (_mesa_is_proxy_texture(target
)) {
3070 /* Proxy texture: just clear or set state depending on error checking */
3071 struct gl_texture_image
*texImage
=
3072 get_proxy_tex_image(ctx
, target
, level
);
3075 return; /* GL_OUT_OF_MEMORY already recorded */
3077 if (dimensionsOK
&& sizeOK
) {
3078 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3079 border
, internalFormat
, texFormat
);
3082 clear_teximage_fields(texImage
);
3086 /* non-proxy target */
3087 const GLuint face
= _mesa_tex_target_to_face(target
);
3088 struct gl_texture_image
*texImage
;
3090 if (!dimensionsOK
) {
3091 _mesa_error(ctx
, GL_INVALID_VALUE
,
3092 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3093 func
, dims
, width
, height
, depth
);
3098 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3099 "%s%uD(image too large: %d x %d x %d, %s format)",
3100 func
, dims
, width
, height
, depth
,
3101 _mesa_enum_to_string(internalFormat
));
3105 /* Allow a hardware driver to just strip out the border, to provide
3106 * reliable but slightly incorrect hardware rendering instead of
3107 * rarely-tested software fallback rendering.
3109 if (border
&& ctx
->Const
.StripTextureBorder
) {
3110 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3113 unpack
= &unpack_no_border
;
3116 if (ctx
->NewState
& _NEW_PIXEL
)
3117 _mesa_update_state(ctx
);
3119 _mesa_lock_texture(ctx
, texObj
);
3121 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3124 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3127 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3129 _mesa_init_teximage_fields(ctx
, texImage
,
3130 width
, height
, depth
,
3131 border
, internalFormat
, texFormat
);
3133 /* Give the texture to the driver. <pixels> may be null. */
3134 if (width
> 0 && height
> 0 && depth
> 0) {
3136 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3140 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3141 type
, pixels
, unpack
);
3145 check_gen_mipmap(ctx
, target
, texObj
, level
);
3147 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3149 _mesa_dirty_texobj(ctx
, texObj
);
3152 _mesa_unlock_texture(ctx
, texObj
);
3157 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3158 * logic to be inlined without inlining the function into all the callers.
3161 teximage_err(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3162 GLenum target
, GLint level
, GLint internalFormat
,
3163 GLsizei width
, GLsizei height
, GLsizei depth
,
3164 GLint border
, GLenum format
, GLenum type
,
3165 GLsizei imageSize
, const GLvoid
*pixels
)
3167 teximage(ctx
, compressed
, dims
, NULL
, target
, level
, internalFormat
, width
, height
,
3168 depth
, border
, format
, type
, imageSize
, pixels
, false);
3173 teximage_no_error(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3174 GLenum target
, GLint level
, GLint internalFormat
,
3175 GLsizei width
, GLsizei height
, GLsizei depth
,
3176 GLint border
, GLenum format
, GLenum type
,
3177 GLsizei imageSize
, const GLvoid
*pixels
)
3179 teximage(ctx
, compressed
, dims
, NULL
, target
, level
, internalFormat
, width
, height
,
3180 depth
, border
, format
, type
, imageSize
, pixels
, true);
3185 * Called from the API. Note that width includes the border.
3188 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3189 GLsizei width
, GLint border
, GLenum format
,
3190 GLenum type
, const GLvoid
*pixels
)
3192 GET_CURRENT_CONTEXT(ctx
);
3193 teximage_err(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3194 border
, format
, type
, 0, pixels
);
3198 _mesa_TextureImage1DEXT(GLuint texture
, GLenum target
, GLint level
,
3199 GLint internalFormat
, GLsizei width
, GLint border
,
3200 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3202 struct gl_texture_object
* texObj
;
3203 GET_CURRENT_CONTEXT(ctx
);
3205 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
3206 "glTextureImage1DEXT");
3209 teximage(ctx
, GL_FALSE
, 1, texObj
, target
, level
, internalFormat
,
3210 width
, 1, 1, border
, format
, type
, 0, pixels
, false);
3214 _mesa_MultiTexImage1DEXT(GLenum texunit
, GLenum target
, GLint level
,
3215 GLint internalFormat
, GLsizei width
, GLint border
,
3216 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3218 struct gl_texture_object
* texObj
;
3219 GET_CURRENT_CONTEXT(ctx
);
3221 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3222 texunit
- GL_TEXTURE0
,
3224 "glMultiTexImage1DEXT");
3227 teximage(ctx
, GL_FALSE
, 1, texObj
, target
, level
, internalFormat
, width
, 1, 1,
3228 border
, format
, type
, 0, pixels
, false);
3232 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3233 GLsizei width
, GLsizei height
, GLint border
,
3234 GLenum format
, GLenum type
,
3235 const GLvoid
*pixels
)
3237 GET_CURRENT_CONTEXT(ctx
);
3238 teximage_err(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3239 border
, format
, type
, 0, pixels
);
3243 _mesa_TextureImage2DEXT(GLuint texture
, GLenum target
, GLint level
,
3244 GLint internalFormat
, GLsizei width
, GLsizei height
,
3246 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3248 struct gl_texture_object
* texObj
;
3249 GET_CURRENT_CONTEXT(ctx
);
3251 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
3252 "glTextureImage2DEXT");
3255 teximage(ctx
, GL_FALSE
, 2, texObj
, target
, level
, internalFormat
,
3256 width
, height
, 1, border
, format
, type
, 0, pixels
, false);
3260 _mesa_MultiTexImage2DEXT(GLenum texunit
, GLenum target
, GLint level
,
3261 GLint internalFormat
, GLsizei width
, GLsizei height
,
3263 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3265 struct gl_texture_object
* texObj
;
3266 GET_CURRENT_CONTEXT(ctx
);
3268 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3269 texunit
- GL_TEXTURE0
,
3271 "glMultiTexImage2DEXT");
3274 teximage(ctx
, GL_FALSE
, 2, texObj
, target
, level
, internalFormat
, width
, height
, 1,
3275 border
, format
, type
, 0, pixels
, false);
3279 * Called by the API or display list executor.
3280 * Note that width and height include the border.
3283 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3284 GLsizei width
, GLsizei height
, GLsizei depth
,
3285 GLint border
, GLenum format
, GLenum type
,
3286 const GLvoid
*pixels
)
3288 GET_CURRENT_CONTEXT(ctx
);
3289 teximage_err(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3290 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3294 _mesa_TextureImage3DEXT(GLuint texture
, GLenum target
, GLint level
,
3295 GLint internalFormat
, GLsizei width
, GLsizei height
,
3296 GLsizei depth
, GLint border
,
3297 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3299 struct gl_texture_object
* texObj
;
3300 GET_CURRENT_CONTEXT(ctx
);
3302 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
3303 "glTextureImage3DEXT");
3306 teximage(ctx
, GL_FALSE
, 3, texObj
, target
, level
, internalFormat
,
3307 width
, height
, depth
, border
, format
, type
, 0, pixels
, false);
3312 _mesa_MultiTexImage3DEXT(GLenum texunit
, GLenum target
, GLint level
,
3313 GLint internalFormat
, GLsizei width
, GLsizei height
,
3314 GLsizei depth
, GLint border
, GLenum format
, GLenum type
,
3315 const GLvoid
*pixels
)
3317 struct gl_texture_object
* texObj
;
3318 GET_CURRENT_CONTEXT(ctx
);
3320 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3321 texunit
- GL_TEXTURE0
,
3323 "glMultiTexImage3DEXT");
3326 teximage(ctx
, GL_FALSE
, 3, texObj
, target
, level
, internalFormat
,
3327 width
, height
, depth
, border
, format
, type
, 0, pixels
, false);
3332 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3333 GLsizei width
, GLsizei height
, GLsizei depth
,
3334 GLint border
, GLenum format
, GLenum type
,
3335 const GLvoid
*pixels
)
3337 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3338 depth
, border
, format
, type
, pixels
);
3343 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3344 GLsizei width
, GLint border
, GLenum format
,
3345 GLenum type
, const GLvoid
*pixels
)
3347 GET_CURRENT_CONTEXT(ctx
);
3348 teximage_no_error(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1,
3349 1, border
, format
, type
, 0, pixels
);
3354 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3355 GLsizei width
, GLsizei height
, GLint border
,
3356 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3358 GET_CURRENT_CONTEXT(ctx
);
3359 teximage_no_error(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
,
3360 height
, 1, border
, format
, type
, 0, pixels
);
3365 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3366 GLsizei width
, GLsizei height
, GLsizei depth
,
3367 GLint border
, GLenum format
, GLenum type
,
3368 const GLvoid
*pixels
)
3370 GET_CURRENT_CONTEXT(ctx
);
3371 teximage_no_error(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3372 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3377 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3379 struct gl_texture_object
*texObj
;
3380 struct gl_texture_image
*texImage
;
3382 GET_CURRENT_CONTEXT(ctx
);
3383 FLUSH_VERTICES(ctx
, 0);
3387 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3389 case GL_TEXTURE_EXTERNAL_OES
:
3391 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3394 valid_target
= false;
3398 if (!valid_target
) {
3399 _mesa_error(ctx
, GL_INVALID_ENUM
,
3400 "glEGLImageTargetTexture2D(target=%d)", target
);
3405 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3406 "glEGLImageTargetTexture2D(image=%p)", image
);
3410 if (ctx
->NewState
& _NEW_PIXEL
)
3411 _mesa_update_state(ctx
);
3413 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3417 _mesa_lock_texture(ctx
, texObj
);
3419 if (texObj
->Immutable
) {
3420 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3421 "glEGLImageTargetTexture2D(texture is immutable)");
3422 _mesa_unlock_texture(ctx
, texObj
);
3426 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3428 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3430 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3432 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3433 texObj
, texImage
, image
);
3435 _mesa_dirty_texobj(ctx
, texObj
);
3437 _mesa_unlock_texture(ctx
, texObj
);
3441 * Helper that implements the glTexSubImage1/2/3D()
3442 * and glTextureSubImage1/2/3D() functions.
3445 texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3446 struct gl_texture_object
*texObj
,
3447 struct gl_texture_image
*texImage
,
3448 GLenum target
, GLint level
,
3449 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3450 GLsizei width
, GLsizei height
, GLsizei depth
,
3451 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3453 FLUSH_VERTICES(ctx
, 0);
3455 if (ctx
->NewState
& _NEW_PIXEL
)
3456 _mesa_update_state(ctx
);
3458 _mesa_lock_texture(ctx
, texObj
);
3460 if (width
> 0 && height
> 0 && depth
> 0) {
3461 /* If we have a border, offset=-1 is legal. Bias by border width. */
3464 if (target
!= GL_TEXTURE_2D_ARRAY
)
3465 zoffset
+= texImage
->Border
;
3468 if (target
!= GL_TEXTURE_1D_ARRAY
)
3469 yoffset
+= texImage
->Border
;
3472 xoffset
+= texImage
->Border
;
3475 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3476 xoffset
, yoffset
, zoffset
,
3477 width
, height
, depth
,
3478 format
, type
, pixels
, &ctx
->Unpack
);
3480 check_gen_mipmap(ctx
, target
, texObj
, level
);
3482 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3483 * the texel data, not the texture format, size, etc.
3487 _mesa_unlock_texture(ctx
, texObj
);
3491 * Implement all the glTexSubImage1/2/3D() functions.
3492 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3495 texsubimage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3496 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3497 GLsizei width
, GLsizei height
, GLsizei depth
,
3498 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3499 const char *callerName
)
3501 struct gl_texture_object
*texObj
;
3502 struct gl_texture_image
*texImage
;
3504 /* check target (proxies not allowed) */
3505 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3506 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3507 dims
, _mesa_enum_to_string(target
));
3511 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3515 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3516 xoffset
, yoffset
, zoffset
,
3517 width
, height
, depth
, format
, type
,
3518 pixels
, callerName
)) {
3519 return; /* error was detected */
3522 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3523 /* texsubimage_error_check ensures that texImage is not NULL */
3525 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3526 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3528 _mesa_enum_to_string(target
), level
,
3529 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3530 _mesa_enum_to_string(format
),
3531 _mesa_enum_to_string(type
), pixels
);
3533 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3534 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3535 format
, type
, pixels
);
3540 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3541 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3542 GLsizei width
, GLsizei height
, GLsizei depth
,
3543 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3545 struct gl_texture_object
*texObj
;
3546 struct gl_texture_image
*texImage
;
3548 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3549 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3551 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3552 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3553 format
, type
, pixels
);
3558 * Implement all the glTextureSubImage1/2/3D() functions.
3559 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3561 static ALWAYS_INLINE
void
3562 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3563 GLuint texture
, GLenum target
, GLint level
,
3564 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3565 GLsizei width
, GLsizei height
, GLsizei depth
,
3566 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3567 const char *callerName
, bool no_error
, bool ext_dsa
)
3569 struct gl_texture_object
*texObj
;
3570 struct gl_texture_image
*texImage
;
3573 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3575 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3576 dims
, texture
, level
,
3577 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3578 _mesa_enum_to_string(format
),
3579 _mesa_enum_to_string(type
), pixels
);
3581 /* Get the texture object by Name. */
3584 texObj
= _mesa_lookup_texture_err(ctx
, texture
, callerName
);
3586 texObj
= lookup_texture_ext_dsa(ctx
, target
, texture
, callerName
);
3591 texObj
= _mesa_lookup_texture(ctx
, texture
);
3595 /* check target (proxies not allowed) */
3596 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3597 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3598 callerName
, _mesa_enum_to_string(texObj
->Target
));
3602 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3603 xoffset
, yoffset
, zoffset
,
3604 width
, height
, depth
, format
, type
,
3605 pixels
, callerName
)) {
3606 return; /* error was detected */
3610 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3611 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3615 * What do we do if the user created a texture with the following code
3616 * and then called this function with its handle?
3619 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3620 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3621 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3622 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3623 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3624 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3625 * // wrong format, or given the wrong size, etc.
3626 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3627 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3629 * A bug has been filed against the spec for this case. In the
3630 * meantime, we will check for cube completeness.
3632 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3633 * Core Profile spec (30.10.2014):
3634 * "[A] cube map texture is cube complete if the
3635 * following conditions all hold true: The [base level] texture
3636 * images of each of the six cube map faces have identical, positive,
3637 * and square dimensions. The [base level] images were each specified
3638 * with the same internal format."
3640 * It seems reasonable to check for cube completeness of an arbitrary
3641 * level here so that the image data has a consistent format and size.
3643 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
3644 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3645 "glTextureSubImage%uD(cube map incomplete)",
3650 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3652 /* Copy in each face. */
3653 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3654 texImage
= texObj
->Image
[i
][level
];
3657 texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3658 level
, xoffset
, yoffset
, 0,
3659 width
, height
, 1, format
,
3661 pixels
= (GLubyte
*) pixels
+ imageStride
;
3665 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3668 texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3669 level
, xoffset
, yoffset
, zoffset
,
3670 width
, height
, depth
, format
,
3677 texturesubimage_error(struct gl_context
*ctx
, GLuint dims
,
3678 GLuint texture
, GLenum target
, GLint level
,
3679 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3680 GLsizei width
, GLsizei height
, GLsizei depth
,
3681 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3682 const char *callerName
, bool ext_dsa
)
3684 texturesubimage(ctx
, dims
, texture
, target
, level
, xoffset
, yoffset
,
3685 zoffset
, width
, height
, depth
, format
, type
, pixels
,
3686 callerName
, false, ext_dsa
);
3691 texturesubimage_no_error(struct gl_context
*ctx
, GLuint dims
,
3692 GLuint texture
, GLenum target
, GLint level
,
3693 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3694 GLsizei width
, GLsizei height
, GLsizei depth
,
3695 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3696 const char *callerName
, bool ext_dsa
)
3698 texturesubimage(ctx
, dims
, texture
, target
, level
, xoffset
, yoffset
,
3699 zoffset
, width
, height
, depth
, format
, type
, pixels
,
3700 callerName
, true, ext_dsa
);
3705 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
,
3706 GLint xoffset
, GLsizei width
,
3707 GLenum format
, GLenum type
,
3708 const GLvoid
*pixels
)
3710 GET_CURRENT_CONTEXT(ctx
);
3711 texsubimage(ctx
, 1, target
, level
,
3714 format
, type
, pixels
);
3719 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3720 GLint xoffset
, GLsizei width
,
3721 GLenum format
, GLenum type
,
3722 const GLvoid
*pixels
)
3724 GET_CURRENT_CONTEXT(ctx
);
3725 texsubimage_err(ctx
, 1, target
, level
,
3728 format
, type
, pixels
, "glTexSubImage1D");
3733 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
3734 GLint xoffset
, GLint yoffset
,
3735 GLsizei width
, GLsizei height
,
3736 GLenum format
, GLenum type
,
3737 const GLvoid
*pixels
)
3739 GET_CURRENT_CONTEXT(ctx
);
3740 texsubimage(ctx
, 2, target
, level
,
3741 xoffset
, yoffset
, 0,
3743 format
, type
, pixels
);
3748 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3749 GLint xoffset
, GLint yoffset
,
3750 GLsizei width
, GLsizei height
,
3751 GLenum format
, GLenum type
,
3752 const GLvoid
*pixels
)
3754 GET_CURRENT_CONTEXT(ctx
);
3755 texsubimage_err(ctx
, 2, target
, level
,
3756 xoffset
, yoffset
, 0,
3758 format
, type
, pixels
, "glTexSubImage2D");
3763 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
3764 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3765 GLsizei width
, GLsizei height
, GLsizei depth
,
3766 GLenum format
, GLenum type
,
3767 const GLvoid
*pixels
)
3769 GET_CURRENT_CONTEXT(ctx
);
3770 texsubimage(ctx
, 3, target
, level
,
3771 xoffset
, yoffset
, zoffset
,
3772 width
, height
, depth
,
3773 format
, type
, pixels
);
3778 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3779 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3780 GLsizei width
, GLsizei height
, GLsizei depth
,
3781 GLenum format
, GLenum type
,
3782 const GLvoid
*pixels
)
3784 GET_CURRENT_CONTEXT(ctx
);
3785 texsubimage_err(ctx
, 3, target
, level
,
3786 xoffset
, yoffset
, zoffset
,
3787 width
, height
, depth
,
3788 format
, type
, pixels
, "glTexSubImage3D");
3793 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3794 GLsizei width
, GLenum format
, GLenum type
,
3795 const GLvoid
*pixels
)
3797 GET_CURRENT_CONTEXT(ctx
);
3798 texturesubimage_no_error(ctx
, 1, texture
, 0, level
, xoffset
, 0, 0, width
,
3799 1, 1, format
, type
, pixels
, "glTextureSubImage1D",
3805 _mesa_TextureSubImage1DEXT(GLuint texture
, GLenum target
, GLint level
,
3806 GLint xoffset
, GLsizei width
,
3807 GLenum format
, GLenum type
,
3808 const GLvoid
*pixels
)
3810 GET_CURRENT_CONTEXT(ctx
);
3811 texturesubimage_error(ctx
, 1, texture
, target
, level
, xoffset
, 0, 0, width
, 1,
3812 1, format
, type
, pixels
, "glTextureSubImage1DEXT",
3818 _mesa_MultiTexSubImage1DEXT(GLenum texunit
, GLenum target
, GLint level
,
3819 GLint xoffset
, GLsizei width
,
3820 GLenum format
, GLenum type
,
3821 const GLvoid
*pixels
)
3823 GET_CURRENT_CONTEXT(ctx
);
3824 struct gl_texture_object
*texObj
;
3825 struct gl_texture_image
*texImage
;
3827 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3828 texunit
- GL_TEXTURE0
,
3830 "glMultiTexImage1DEXT");
3831 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3833 texture_sub_image(ctx
, 1, texObj
, texImage
, target
, level
,
3834 xoffset
, 0, 0, width
, 1, 1,
3835 format
, type
, pixels
);
3840 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3841 GLint xoffset
, GLsizei width
,
3842 GLenum format
, GLenum type
,
3843 const GLvoid
*pixels
)
3845 GET_CURRENT_CONTEXT(ctx
);
3846 texturesubimage_error(ctx
, 1, texture
, 0, level
, xoffset
, 0, 0, width
, 1,
3847 1, format
, type
, pixels
, "glTextureSubImage1D",
3853 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3854 GLint yoffset
, GLsizei width
, GLsizei height
,
3855 GLenum format
, GLenum type
,
3856 const GLvoid
*pixels
)
3858 GET_CURRENT_CONTEXT(ctx
);
3859 texturesubimage_no_error(ctx
, 2, texture
, 0, level
, xoffset
, yoffset
, 0,
3860 width
, height
, 1, format
, type
, pixels
,
3861 "glTextureSubImage2D", false);
3866 _mesa_TextureSubImage2DEXT(GLuint texture
, GLenum target
, GLint level
,
3867 GLint xoffset
, GLint yoffset
, GLsizei width
,
3868 GLsizei height
, GLenum format
, GLenum type
,
3869 const GLvoid
*pixels
)
3871 GET_CURRENT_CONTEXT(ctx
);
3872 texturesubimage_error(ctx
, 2, texture
, target
, level
, xoffset
, yoffset
, 0,
3873 width
, height
, 1, format
, type
, pixels
,
3874 "glTextureSubImage2DEXT", true);
3879 _mesa_MultiTexSubImage2DEXT(GLenum texunit
, GLenum target
, GLint level
,
3880 GLint xoffset
, GLint yoffset
, GLsizei width
,
3881 GLsizei height
, GLenum format
, GLenum type
,
3882 const GLvoid
*pixels
)
3884 GET_CURRENT_CONTEXT(ctx
);
3885 struct gl_texture_object
*texObj
;
3886 struct gl_texture_image
*texImage
;
3888 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3889 texunit
- GL_TEXTURE0
,
3891 "glMultiTexImage2DEXT");
3892 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3894 texture_sub_image(ctx
, 2, texObj
, texImage
, target
, level
,
3895 xoffset
, yoffset
, 0, width
, height
, 1,
3896 format
, type
, pixels
);
3901 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3902 GLint xoffset
, GLint yoffset
,
3903 GLsizei width
, GLsizei height
,
3904 GLenum format
, GLenum type
,
3905 const GLvoid
*pixels
)
3907 GET_CURRENT_CONTEXT(ctx
);
3908 texturesubimage_error(ctx
, 2, texture
, 0, level
, xoffset
, yoffset
, 0,
3909 width
, height
, 1, format
, type
, pixels
,
3910 "glTextureSubImage2D", false);
3915 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3916 GLint yoffset
, GLint zoffset
, GLsizei width
,
3917 GLsizei height
, GLsizei depth
, GLenum format
,
3918 GLenum type
, const GLvoid
*pixels
)
3920 GET_CURRENT_CONTEXT(ctx
);
3921 texturesubimage_no_error(ctx
, 3, texture
, 0, level
, xoffset
, yoffset
,
3922 zoffset
, width
, height
, depth
, format
, type
,
3923 pixels
, "glTextureSubImage3D", false);
3928 _mesa_TextureSubImage3DEXT(GLuint texture
, GLenum target
, GLint level
,
3929 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3930 GLsizei width
, GLsizei height
, GLsizei depth
,
3931 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3933 GET_CURRENT_CONTEXT(ctx
);
3934 texturesubimage_error(ctx
, 3, texture
, target
, level
, xoffset
, yoffset
,
3935 zoffset
, width
, height
, depth
, format
, type
,
3936 pixels
, "glTextureSubImage3DEXT", true);
3941 _mesa_MultiTexSubImage3DEXT(GLenum texunit
, GLenum target
, GLint level
,
3942 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3943 GLsizei width
, GLsizei height
, GLsizei depth
,
3944 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3946 GET_CURRENT_CONTEXT(ctx
);
3947 struct gl_texture_object
*texObj
;
3948 struct gl_texture_image
*texImage
;
3950 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
3951 texunit
- GL_TEXTURE0
,
3953 "glMultiTexImage3DEXT");
3954 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3956 texture_sub_image(ctx
, 3, texObj
, texImage
, target
, level
,
3957 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3958 format
, type
, pixels
);
3963 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3964 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3965 GLsizei width
, GLsizei height
, GLsizei depth
,
3966 GLenum format
, GLenum type
,
3967 const GLvoid
*pixels
)
3969 GET_CURRENT_CONTEXT(ctx
);
3970 texturesubimage_error(ctx
, 3, texture
, 0, level
, xoffset
, yoffset
, zoffset
,
3971 width
, height
, depth
, format
, type
, pixels
,
3972 "glTextureSubImage3D", false);
3977 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3978 * from. This depends on whether the texture contains color or depth values.
3980 static struct gl_renderbuffer
*
3981 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3983 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3984 /* reading from depth/stencil buffer */
3985 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3986 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3987 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3989 /* copying from color buffer */
3990 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3996 copytexsubimage_by_slice(struct gl_context
*ctx
,
3997 struct gl_texture_image
*texImage
,
3999 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4000 struct gl_renderbuffer
*rb
,
4002 GLsizei width
, GLsizei height
)
4004 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
4007 /* For 1D arrays, we copy each scanline of the source rectangle into the
4010 assert(zoffset
== 0);
4012 for (slice
= 0; slice
< height
; slice
++) {
4013 assert(yoffset
+ slice
< texImage
->Height
);
4014 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
4015 xoffset
, 0, yoffset
+ slice
,
4016 rb
, x
, y
+ slice
, width
, 1);
4019 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
4020 xoffset
, yoffset
, zoffset
,
4021 rb
, x
, y
, width
, height
);
4027 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
4029 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
4030 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
4031 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
4032 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
4034 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
4035 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
4036 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
4037 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
4039 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
4040 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
4041 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
4042 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
4050 * Check if the given texture format and size arguments match those
4051 * of the texture image.
4052 * \param return true if arguments match, false otherwise.
4055 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
4056 GLenum internalFormat
,
4057 mesa_format texFormat
, GLsizei width
,
4058 GLsizei height
, GLint border
)
4060 if (texImage
->InternalFormat
!= internalFormat
)
4062 if (texImage
->TexFormat
!= texFormat
)
4064 if (texImage
->Border
!= border
)
4066 if (texImage
->Width2
!= width
)
4068 if (texImage
->Height2
!= height
)
4075 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
4078 copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4079 struct gl_texture_object
*texObj
,
4080 GLenum target
, GLint level
,
4081 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4082 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4084 struct gl_texture_image
*texImage
;
4086 _mesa_lock_texture(ctx
, texObj
);
4088 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4090 /* If we have a border, offset=-1 is legal. Bias by border width. */
4093 if (target
!= GL_TEXTURE_2D_ARRAY
)
4094 zoffset
+= texImage
->Border
;
4097 if (target
!= GL_TEXTURE_1D_ARRAY
)
4098 yoffset
+= texImage
->Border
;
4101 xoffset
+= texImage
->Border
;
4104 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
4106 struct gl_renderbuffer
*srcRb
=
4107 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4109 copytexsubimage_by_slice(ctx
, texImage
, dims
, xoffset
, yoffset
, zoffset
,
4110 srcRb
, x
, y
, width
, height
);
4112 check_gen_mipmap(ctx
, target
, texObj
, level
);
4114 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4115 * the texel data, not the texture format, size, etc.
4119 _mesa_unlock_texture(ctx
, texObj
);
4124 copy_texture_sub_image_err(struct gl_context
*ctx
, GLuint dims
,
4125 struct gl_texture_object
*texObj
,
4126 GLenum target
, GLint level
,
4127 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4128 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4131 FLUSH_VERTICES(ctx
, 0);
4133 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
4134 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
4135 _mesa_enum_to_string(target
),
4136 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
4138 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4139 _mesa_update_state(ctx
);
4141 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
4142 xoffset
, yoffset
, zoffset
,
4143 width
, height
, caller
)) {
4147 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
4148 zoffset
, x
, y
, width
, height
);
4153 copy_texture_sub_image_no_error(struct gl_context
*ctx
, GLuint dims
,
4154 struct gl_texture_object
*texObj
,
4155 GLenum target
, GLint level
,
4156 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4157 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4159 FLUSH_VERTICES(ctx
, 0);
4161 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4162 _mesa_update_state(ctx
);
4164 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
4165 zoffset
, x
, y
, width
, height
);
4170 * Implement the glCopyTexImage1/2D() functions.
4172 static ALWAYS_INLINE
void
4173 copyteximage(struct gl_context
*ctx
, GLuint dims
, struct gl_texture_object
*texObj
,
4174 GLenum target
, GLint level
, GLenum internalFormat
,
4175 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
,
4178 struct gl_texture_image
*texImage
;
4179 mesa_format texFormat
;
4181 FLUSH_VERTICES(ctx
, 0);
4183 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
4184 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
4186 _mesa_enum_to_string(target
), level
,
4187 _mesa_enum_to_string(internalFormat
),
4188 x
, y
, width
, height
, border
);
4190 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4191 _mesa_update_state(ctx
);
4194 if (copytexture_error_check(ctx
, dims
, target
, texObj
, level
,
4195 internalFormat
, border
))
4198 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
4200 _mesa_error(ctx
, GL_INVALID_VALUE
,
4201 "glCopyTexImage%uD(invalid width=%d or height=%d)",
4202 dims
, width
, height
);
4209 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
4210 internalFormat
, GL_NONE
, GL_NONE
);
4212 /* First check if reallocating the texture buffer can be avoided.
4213 * Without the realloc the copy can be 20x faster.
4215 _mesa_lock_texture(ctx
, texObj
);
4217 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4218 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
4219 width
, height
, border
)) {
4220 _mesa_unlock_texture(ctx
, texObj
);
4222 copy_texture_sub_image_no_error(ctx
, dims
, texObj
, target
, level
, 0,
4223 0, 0, x
, y
, width
, height
);
4225 copy_texture_sub_image_err(ctx
, dims
, texObj
, target
, level
, 0, 0,
4226 0, x
, y
, width
, height
,"CopyTexImage");
4231 _mesa_unlock_texture(ctx
, texObj
);
4232 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
4233 "can't avoid reallocating texture storage\n");
4235 if (!no_error
&& _mesa_is_gles3(ctx
)) {
4236 struct gl_renderbuffer
*rb
=
4237 _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
4239 if (_mesa_is_enum_format_unsized(internalFormat
)) {
4240 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
4241 * OpenGL ES 3.0. Khronos bug# 9807.
4243 if (rb
->InternalFormat
== GL_RGB10_A2
) {
4244 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4245 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
4246 " and writing to unsized internal format)", dims
);
4250 /* From Page 139 of OpenGL ES 3.0 spec:
4251 * "If internalformat is sized, the internal format of the new texel
4252 * array is internalformat, and this is also the new texel array’s
4253 * effective internal format. If the component sizes of internalformat
4254 * do not exactly match the corresponding component sizes of the source
4255 * buffer’s effective internal format, described below, an
4256 * INVALID_OPERATION error is generated. If internalformat is unsized,
4257 * the internal format of the new texel array is the effective internal
4258 * format of the source buffer, and this is also the new texel array’s
4259 * effective internal format.
4261 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
4262 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4263 "glCopyTexImage%uD(component size changed in"
4264 " internal format)", dims
);
4269 assert(texFormat
!= MESA_FORMAT_NONE
);
4271 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
4272 0, level
, texFormat
, 1,
4273 width
, height
, 1)) {
4274 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
4275 "glCopyTexImage%uD(image too large)", dims
);
4279 if (border
&& ctx
->Const
.StripTextureBorder
) {
4281 width
-= border
* 2;
4284 height
-= border
* 2;
4289 _mesa_lock_texture(ctx
, texObj
);
4291 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
4294 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
4297 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
4298 const GLuint face
= _mesa_tex_target_to_face(target
);
4300 /* Free old texture image */
4301 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4303 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4304 border
, internalFormat
, texFormat
);
4306 if (width
&& height
) {
4307 /* Allocate texture memory (no pixel data yet) */
4308 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4310 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4312 struct gl_renderbuffer
*srcRb
=
4313 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4315 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4317 srcRb
, srcX
, srcY
, width
, height
);
4320 check_gen_mipmap(ctx
, target
, texObj
, level
);
4323 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4325 _mesa_dirty_texobj(ctx
, texObj
);
4328 _mesa_unlock_texture(ctx
, texObj
);
4333 copyteximage_err(struct gl_context
*ctx
, GLuint dims
,
4335 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4336 GLsizei width
, GLsizei height
, GLint border
)
4338 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4339 copyteximage(ctx
, dims
, texObj
, target
, level
, internalFormat
, x
, y
, width
, height
,
4345 copyteximage_no_error(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4346 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4347 GLsizei width
, GLsizei height
, GLint border
)
4349 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4350 copyteximage(ctx
, dims
, texObj
, target
, level
, internalFormat
, x
, y
, width
, height
,
4356 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4357 GLenum internalFormat
,
4359 GLsizei width
, GLint border
)
4361 GET_CURRENT_CONTEXT(ctx
);
4362 copyteximage_err(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4368 _mesa_CopyTextureImage1DEXT( GLuint texture
, GLenum target
, GLint level
,
4369 GLenum internalFormat
,
4371 GLsizei width
, GLint border
)
4373 GET_CURRENT_CONTEXT(ctx
);
4374 struct gl_texture_object
* texObj
=
4375 _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
4376 "glCopyTextureImage1DEXT");
4379 copyteximage(ctx
, 1, texObj
, target
, level
, internalFormat
, x
, y
, width
, 1,
4385 _mesa_CopyMultiTexImage1DEXT( GLenum texunit
, GLenum target
, GLint level
,
4386 GLenum internalFormat
,
4388 GLsizei width
, GLint border
)
4390 GET_CURRENT_CONTEXT(ctx
);
4391 struct gl_texture_object
* texObj
=
4392 _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
4393 texunit
- GL_TEXTURE0
,
4395 "glCopyMultiTexImage1DEXT");
4398 copyteximage(ctx
, 1, texObj
, target
, level
, internalFormat
, x
, y
, width
, 1,
4404 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4405 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4408 GET_CURRENT_CONTEXT(ctx
);
4409 copyteximage_err(ctx
, 2, target
, level
, internalFormat
,
4410 x
, y
, width
, height
, border
);
4415 _mesa_CopyTextureImage2DEXT( GLuint texture
, GLenum target
, GLint level
,
4416 GLenum internalFormat
,
4418 GLsizei width
, GLsizei height
,
4421 GET_CURRENT_CONTEXT(ctx
);
4422 struct gl_texture_object
* texObj
=
4423 _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
4424 "glCopyTextureImage2DEXT");
4427 copyteximage(ctx
, 2, texObj
, target
, level
, internalFormat
, x
, y
, width
, height
,
4433 _mesa_CopyMultiTexImage2DEXT( GLenum texunit
, GLenum target
, GLint level
,
4434 GLenum internalFormat
,
4436 GLsizei width
, GLsizei height
, GLint border
)
4438 GET_CURRENT_CONTEXT(ctx
);
4439 struct gl_texture_object
* texObj
=
4440 _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
4441 texunit
- GL_TEXTURE0
,
4443 "glCopyMultiTexImage2DEXT");
4446 copyteximage(ctx
, 2, texObj
, target
, level
, internalFormat
, x
, y
, width
, height
,
4452 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4453 GLint x
, GLint y
, GLsizei width
, GLint border
)
4455 GET_CURRENT_CONTEXT(ctx
);
4456 copyteximage_no_error(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4462 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4463 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4466 GET_CURRENT_CONTEXT(ctx
);
4467 copyteximage_no_error(ctx
, 2, target
, level
, internalFormat
,
4468 x
, y
, width
, height
, border
);
4473 _mesa_CopyTexSubImage1D(GLenum target
, GLint level
,
4474 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4476 struct gl_texture_object
* texObj
;
4477 const char *self
= "glCopyTexSubImage1D";
4478 GET_CURRENT_CONTEXT(ctx
);
4480 /* Check target (proxies not allowed). Target must be checked prior to
4481 * calling _mesa_get_current_tex_object.
4483 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4484 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4485 _mesa_enum_to_string(target
));
4489 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4493 copy_texture_sub_image_err(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4494 x
, y
, width
, 1, self
);
4499 _mesa_CopyTexSubImage2D(GLenum target
, GLint level
,
4500 GLint xoffset
, GLint yoffset
,
4501 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4503 struct gl_texture_object
* texObj
;
4504 const char *self
= "glCopyTexSubImage2D";
4505 GET_CURRENT_CONTEXT(ctx
);
4507 /* Check target (proxies not allowed). Target must be checked prior to
4508 * calling _mesa_get_current_tex_object.
4510 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4511 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4512 _mesa_enum_to_string(target
));
4516 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4520 copy_texture_sub_image_err(ctx
, 2, texObj
, target
, level
, xoffset
, yoffset
,
4521 0, x
, y
, width
, height
, self
);
4526 _mesa_CopyTexSubImage3D(GLenum target
, GLint level
,
4527 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4528 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4530 struct gl_texture_object
* texObj
;
4531 const char *self
= "glCopyTexSubImage3D";
4532 GET_CURRENT_CONTEXT(ctx
);
4534 /* Check target (proxies not allowed). Target must be checked prior to
4535 * calling _mesa_get_current_tex_object.
4537 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4538 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4539 _mesa_enum_to_string(target
));
4543 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4547 copy_texture_sub_image_err(ctx
, 3, texObj
, target
, level
, xoffset
, yoffset
,
4548 zoffset
, x
, y
, width
, height
, self
);
4553 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4554 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4556 struct gl_texture_object
* texObj
;
4557 const char *self
= "glCopyTextureSubImage1D";
4558 GET_CURRENT_CONTEXT(ctx
);
4560 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4564 /* Check target (proxies not allowed). */
4565 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4566 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4567 _mesa_enum_to_string(texObj
->Target
));
4571 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4572 0, x
, y
, width
, 1, self
);
4577 _mesa_CopyTextureSubImage1DEXT(GLuint texture
, GLenum target
, GLint level
,
4578 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4580 struct gl_texture_object
* texObj
;
4581 const char *self
= "glCopyTextureSubImage1DEXT";
4582 GET_CURRENT_CONTEXT(ctx
);
4584 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
4589 /* Check target (proxies not allowed). */
4590 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4591 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4592 _mesa_enum_to_string(texObj
->Target
));
4596 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4597 0, x
, y
, width
, 1, self
);
4602 _mesa_CopyMultiTexSubImage1DEXT(GLenum texunit
, GLenum target
, GLint level
,
4603 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4605 struct gl_texture_object
* texObj
;
4606 const char *self
= "glCopyMultiTexSubImage1DEXT";
4607 GET_CURRENT_CONTEXT(ctx
);
4609 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
4610 texunit
- GL_TEXTURE0
,
4615 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4616 0, x
, y
, width
, 1, self
);
4621 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4622 GLint xoffset
, GLint yoffset
,
4623 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4625 struct gl_texture_object
* texObj
;
4626 const char *self
= "glCopyTextureSubImage2D";
4627 GET_CURRENT_CONTEXT(ctx
);
4629 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4633 /* Check target (proxies not allowed). */
4634 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4635 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4636 _mesa_enum_to_string(texObj
->Target
));
4640 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4641 yoffset
, 0, x
, y
, width
, height
, self
);
4646 _mesa_CopyTextureSubImage2DEXT(GLuint texture
, GLenum target
, GLint level
,
4647 GLint xoffset
, GLint yoffset
,
4648 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4650 struct gl_texture_object
* texObj
;
4651 const char *self
= "glCopyTextureSubImage2DEXT";
4652 GET_CURRENT_CONTEXT(ctx
);
4654 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true, self
);
4658 /* Check target (proxies not allowed). */
4659 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4660 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4661 _mesa_enum_to_string(texObj
->Target
));
4665 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4666 yoffset
, 0, x
, y
, width
, height
, self
);
4671 _mesa_CopyMultiTexSubImage2DEXT(GLenum texunit
, GLenum target
, GLint level
,
4672 GLint xoffset
, GLint yoffset
,
4673 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4675 struct gl_texture_object
* texObj
;
4676 const char *self
= "glCopyMultiTexSubImage2DEXT";
4677 GET_CURRENT_CONTEXT(ctx
);
4679 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
4680 texunit
- GL_TEXTURE0
,
4685 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4686 yoffset
, 0, x
, y
, width
, height
, self
);
4690 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4691 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4692 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4694 struct gl_texture_object
* texObj
;
4695 const char *self
= "glCopyTextureSubImage3D";
4696 GET_CURRENT_CONTEXT(ctx
);
4698 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4702 /* Check target (proxies not allowed). */
4703 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4704 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4705 _mesa_enum_to_string(texObj
->Target
));
4709 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4710 /* Act like CopyTexSubImage2D */
4711 copy_texture_sub_image_err(ctx
, 2, texObj
,
4712 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4713 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4717 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4718 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4723 _mesa_CopyTextureSubImage3DEXT(GLuint texture
, GLenum target
, GLint level
,
4724 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4725 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4727 struct gl_texture_object
* texObj
;
4728 const char *self
= "glCopyTextureSubImage3D";
4729 GET_CURRENT_CONTEXT(ctx
);
4731 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true, self
);
4735 /* Check target (proxies not allowed). */
4736 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4737 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4738 _mesa_enum_to_string(texObj
->Target
));
4742 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4743 /* Act like CopyTexSubImage2D */
4744 copy_texture_sub_image_err(ctx
, 2, texObj
,
4745 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4746 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4750 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4751 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4756 _mesa_CopyMultiTexSubImage3DEXT(GLenum texunit
, GLenum target
, GLint level
,
4757 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4758 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4760 struct gl_texture_object
* texObj
;
4761 const char *self
= "glCopyMultiTexSubImage3D";
4762 GET_CURRENT_CONTEXT(ctx
);
4764 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
4765 texunit
- GL_TEXTURE0
,
4770 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4771 /* Act like CopyTexSubImage2D */
4772 copy_texture_sub_image_err(ctx
, 2, texObj
,
4773 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4774 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4778 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4779 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4784 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4785 GLint x
, GLint y
, GLsizei width
)
4787 GET_CURRENT_CONTEXT(ctx
);
4789 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4790 copy_texture_sub_image_no_error(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4796 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4797 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
4800 GET_CURRENT_CONTEXT(ctx
);
4802 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4803 copy_texture_sub_image_no_error(ctx
, 2, texObj
, target
, level
, xoffset
,
4804 yoffset
, 0, x
, y
, width
, height
);
4809 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4810 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
4811 GLsizei width
, GLsizei height
)
4813 GET_CURRENT_CONTEXT(ctx
);
4815 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4816 copy_texture_sub_image_no_error(ctx
, 3, texObj
, target
, level
, xoffset
,
4817 yoffset
, zoffset
, x
, y
, width
, height
);
4822 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4823 GLint x
, GLint y
, GLsizei width
)
4825 GET_CURRENT_CONTEXT(ctx
);
4827 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4828 copy_texture_sub_image_no_error(ctx
, 1, texObj
, texObj
->Target
, level
,
4829 xoffset
, 0, 0, x
, y
, width
, 1);
4834 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4835 GLint yoffset
, GLint x
, GLint y
,
4836 GLsizei width
, GLsizei height
)
4838 GET_CURRENT_CONTEXT(ctx
);
4840 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4841 copy_texture_sub_image_no_error(ctx
, 2, texObj
, texObj
->Target
, level
,
4842 xoffset
, yoffset
, 0, x
, y
, width
, height
);
4847 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4848 GLint yoffset
, GLint zoffset
, GLint x
,
4849 GLint y
, GLsizei width
, GLsizei height
)
4851 GET_CURRENT_CONTEXT(ctx
);
4853 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4854 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4855 /* Act like CopyTexSubImage2D */
4856 copy_texture_sub_image_no_error(ctx
, 2, texObj
,
4857 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4858 level
, xoffset
, yoffset
, 0, x
, y
, width
,
4862 copy_texture_sub_image_no_error(ctx
, 3, texObj
, texObj
->Target
, level
,
4863 xoffset
, yoffset
, zoffset
, x
, y
, width
,
4869 check_clear_tex_image(struct gl_context
*ctx
,
4870 const char *function
,
4871 struct gl_texture_image
*texImage
,
4872 GLenum format
, GLenum type
,
4874 GLubyte
*clearValue
)
4876 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4877 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4878 GLenum internalFormat
= texImage
->InternalFormat
;
4881 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4882 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4883 "%s(buffer texture)", function
);
4887 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4888 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4889 "%s(compressed texture)", function
);
4893 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4894 if (err
!= GL_NO_ERROR
) {
4895 _mesa_error(ctx
, err
,
4896 "%s(incompatible format = %s, type = %s)",
4898 _mesa_enum_to_string(format
),
4899 _mesa_enum_to_string(type
));
4903 /* make sure internal format and format basically agree */
4904 if (!texture_formats_agree(internalFormat
, format
)) {
4905 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4906 "%s(incompatible internalFormat = %s, format = %s)",
4908 _mesa_enum_to_string(internalFormat
),
4909 _mesa_enum_to_string(format
));
4913 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4914 /* both source and dest must be integer-valued, or neither */
4915 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4916 _mesa_is_enum_format_integer(format
)) {
4917 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4918 "%s(integer/non-integer format mismatch)",
4924 if (!_mesa_texstore(ctx
,
4926 texImage
->_BaseFormat
,
4927 texImage
->TexFormat
,
4928 0, /* dstRowStride */
4930 1, 1, 1, /* srcWidth/Height/Depth */
4932 data
? data
: zeroData
,
4933 &ctx
->DefaultPacking
)) {
4934 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4942 static struct gl_texture_object
*
4943 get_tex_obj_for_clear(struct gl_context
*ctx
,
4944 const char *function
,
4947 struct gl_texture_object
*texObj
;
4949 texObj
= _mesa_lookup_texture_err(ctx
, texture
, function
);
4953 if (texObj
->Target
== 0) {
4954 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4963 * For clearing cube textures, the zoffset and depth parameters indicate
4964 * which cube map faces are to be cleared. This is the one case where we
4965 * need to be concerned with multiple gl_texture_images. This function
4966 * returns the array of texture images to clear for cube maps, or one
4967 * texture image otherwise.
4968 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
4971 get_tex_images_for_clear(struct gl_context
*ctx
,
4972 const char *function
,
4973 struct gl_texture_object
*texObj
,
4975 struct gl_texture_image
**texImages
)
4980 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4981 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4985 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4986 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
4987 numFaces
= MAX_FACES
;
4990 target
= texObj
->Target
;
4994 for (i
= 0; i
< numFaces
; i
++) {
4995 texImages
[i
] = _mesa_select_tex_image(texObj
, target
+ i
, level
);
4996 if (texImages
[i
] == NULL
) {
4997 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
5007 _mesa_ClearTexSubImage(GLuint texture
, GLint level
,
5008 GLint xoffset
, GLint yoffset
, GLint zoffset
,
5009 GLsizei width
, GLsizei height
, GLsizei depth
,
5010 GLenum format
, GLenum type
, const void *data
)
5012 GET_CURRENT_CONTEXT(ctx
);
5013 struct gl_texture_object
*texObj
;
5014 struct gl_texture_image
*texImages
[MAX_FACES
];
5015 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
5017 int minDepth
, maxDepth
;
5019 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
5024 _mesa_lock_texture(ctx
, texObj
);
5026 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
5027 texObj
, level
, texImages
);
5031 if (numImages
== 1) {
5032 minDepth
= -(int) texImages
[0]->Border
;
5033 maxDepth
= texImages
[0]->Depth
;
5035 assert(numImages
== MAX_FACES
);
5037 maxDepth
= numImages
;
5040 if (xoffset
< -(GLint
) texImages
[0]->Border
||
5041 yoffset
< -(GLint
) texImages
[0]->Border
||
5042 zoffset
< minDepth
||
5046 xoffset
+ width
> texImages
[0]->Width
||
5047 yoffset
+ height
> texImages
[0]->Height
||
5048 zoffset
+ depth
> maxDepth
) {
5049 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5050 "glClearSubTexImage(invalid dimensions)");
5054 if (numImages
== 1) {
5055 if (check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[0],
5056 format
, type
, data
, clearValue
[0])) {
5057 ctx
->Driver
.ClearTexSubImage(ctx
,
5059 xoffset
, yoffset
, zoffset
,
5060 width
, height
, depth
,
5061 data
? clearValue
[0] : NULL
);
5064 /* loop over cube face images */
5065 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
5066 assert(i
< MAX_FACES
);
5067 if (!check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[i
],
5068 format
, type
, data
, clearValue
[i
]))
5071 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
5072 ctx
->Driver
.ClearTexSubImage(ctx
,
5074 xoffset
, yoffset
, 0,
5076 data
? clearValue
[i
] : NULL
);
5081 _mesa_unlock_texture(ctx
, texObj
);
5086 _mesa_ClearTexImage( GLuint texture
, GLint level
,
5087 GLenum format
, GLenum type
, const void *data
)
5089 GET_CURRENT_CONTEXT(ctx
);
5090 struct gl_texture_object
*texObj
;
5091 struct gl_texture_image
*texImages
[MAX_FACES
];
5092 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
5095 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
5100 _mesa_lock_texture(ctx
, texObj
);
5102 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
5103 texObj
, level
, texImages
);
5105 for (i
= 0; i
< numImages
; i
++) {
5106 if (!check_clear_tex_image(ctx
, "glClearTexImage", texImages
[i
], format
,
5107 type
, data
, clearValue
[i
]))
5111 for (i
= 0; i
< numImages
; i
++) {
5112 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
5113 -(GLint
) texImages
[i
]->Border
, /* xoffset */
5114 -(GLint
) texImages
[i
]->Border
, /* yoffset */
5115 -(GLint
) texImages
[i
]->Border
, /* zoffset */
5116 texImages
[i
]->Width
,
5117 texImages
[i
]->Height
,
5118 texImages
[i
]->Depth
,
5119 data
? clearValue
[i
] : NULL
);
5123 _mesa_unlock_texture(ctx
, texObj
);
5129 /**********************************************************************/
5130 /****** Compressed Textures ******/
5131 /**********************************************************************/
5135 * Target checking for glCompressedTexSubImage[123]D().
5136 * \return GL_TRUE if error, GL_FALSE if no error
5137 * Must come before other error checking so that the texture object can
5138 * be correctly retrieved using _mesa_get_current_tex_object.
5141 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
5142 GLint dims
, GLenum intFormat
, bool dsa
,
5147 enum mesa_format_layout layout
;
5149 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
5150 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
5151 _mesa_enum_to_string(target
));
5161 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
5162 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
5163 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
5164 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
5165 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
5166 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
5167 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
5170 targetOK
= GL_FALSE
;
5176 case GL_TEXTURE_CUBE_MAP
:
5177 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
5179 case GL_TEXTURE_2D_ARRAY
:
5180 targetOK
= _mesa_is_gles3(ctx
) ||
5181 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
5183 case GL_TEXTURE_CUBE_MAP_ARRAY
:
5184 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
5189 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
5191 * "An INVALID_OPERATION error is generated by
5192 * CompressedTex*SubImage3D if the internal format of the texture
5193 * is one of the EAC, ETC2, or RGTC formats and either border is
5194 * non-zero, or the effective target for the texture is not
5195 * TEXTURE_2D_ARRAY."
5197 * NOTE: that's probably a spec error. It should probably say
5198 * "... or the effective target for the texture is not
5199 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
5200 * GL_TEXTURE_CUBE_MAP_ARRAY."
5201 * since those targets are 2D images and they support all compression
5204 * Instead of listing all these, just list those which are allowed,
5205 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
5206 * more) are valid here, which they are not, but of course not
5207 * mentioned by core spec.
5209 * Also, from GL_KHR_texture_compression_astc_{hdr,ldr}:
5211 * "Add a second new column "3D Tex." which is empty for all non-ASTC
5212 * formats. If only the LDR profile is supported by the implementation,
5213 * this column is also empty for all ASTC formats. If both the LDR and HDR
5214 * profiles are supported, this column is checked for all ASTC formats."
5216 * "An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
5217 * <format> is one of the formats in table 8.19 and <target> is not
5218 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY, or TEXTURE_3D.
5220 * An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
5221 * <format> is TEXTURE_CUBE_MAP_ARRAY and the "Cube Map Array" column of
5222 * table 8.19 is *not* checked, or if <format> is TEXTURE_3D and the "3D
5223 * Tex." column of table 8.19 is *not* checked"
5225 * And from GL_KHR_texture_compression_astc_sliced_3d:
5227 * "Modify the "3D Tex." column to be checked for all ASTC formats."
5229 format
= _mesa_glenum_to_compressed_format(intFormat
);
5230 layout
= _mesa_get_format_layout(format
);
5232 case MESA_FORMAT_LAYOUT_BPTC
:
5235 case MESA_FORMAT_LAYOUT_ASTC
:
5237 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
5238 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
5241 /* invalid format */
5242 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5243 "%s(invalid target %s for format %s)", caller
,
5244 _mesa_enum_to_string(target
),
5245 _mesa_enum_to_string(intFormat
));
5250 targetOK
= GL_FALSE
;
5256 /* no 1D compressed textures at this time */
5257 targetOK
= GL_FALSE
;
5262 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
5263 _mesa_enum_to_string(target
));
5271 * Error checking for glCompressedTexSubImage[123]D().
5272 * \return GL_TRUE if error, GL_FALSE if no error
5275 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
5276 const struct gl_texture_object
*texObj
,
5277 GLenum target
, GLint level
,
5278 GLint xoffset
, GLint yoffset
, GLint zoffset
,
5279 GLsizei width
, GLsizei height
, GLsizei depth
,
5280 GLenum format
, GLsizei imageSize
,
5281 const GLvoid
*data
, const char *callerName
)
5283 struct gl_texture_image
*texImage
;
5286 /* this will catch any invalid compressed format token */
5287 if (!_mesa_is_compressed_format(ctx
, format
)) {
5288 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(format)", callerName
);
5292 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
5293 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
5297 /* validate the bound PBO, if any */
5298 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
5299 imageSize
, data
, callerName
)) {
5303 /* Check for invalid pixel storage modes */
5304 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
5305 &ctx
->Unpack
, callerName
)) {
5309 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
5310 if (expectedSize
!= imageSize
) {
5311 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", callerName
, imageSize
);
5315 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
5317 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
5322 if ((GLint
) format
!= texImage
->InternalFormat
) {
5323 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s)",
5324 callerName
, _mesa_enum_to_string(format
));
5328 if (compressedteximage_only_format(format
)) {
5329 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s cannot be updated)",
5330 callerName
, _mesa_enum_to_string(format
));
5334 if (error_check_subtexture_negative_dimensions(ctx
, dims
, width
, height
,
5335 depth
, callerName
)) {
5339 if (error_check_subtexture_dimensions(ctx
, dims
, texImage
, xoffset
, yoffset
,
5340 zoffset
, width
, height
, depth
,
5350 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
5351 GLenum internalFormat
, GLsizei width
,
5352 GLint border
, GLsizei imageSize
,
5355 GET_CURRENT_CONTEXT(ctx
);
5356 teximage_err(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
5357 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5362 _mesa_CompressedTextureImage1DEXT(GLuint texture
, GLenum target
, GLint level
,
5363 GLenum internalFormat
, GLsizei width
,
5364 GLint border
, GLsizei imageSize
,
5365 const GLvoid
*pixels
)
5367 struct gl_texture_object
* texObj
;
5368 GET_CURRENT_CONTEXT(ctx
);
5370 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
5371 "glCompressedTextureImage1DEXT");
5374 teximage(ctx
, GL_TRUE
, 1, texObj
, target
, level
, internalFormat
,
5375 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, pixels
, false);
5380 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
5381 GLenum internalFormat
, GLsizei width
,
5382 GLsizei height
, GLint border
, GLsizei imageSize
,
5385 GET_CURRENT_CONTEXT(ctx
);
5386 teximage_err(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
5387 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5392 _mesa_CompressedTextureImage2DEXT(GLuint texture
, GLenum target
, GLint level
,
5393 GLenum internalFormat
, GLsizei width
,
5394 GLsizei height
, GLint border
, GLsizei imageSize
,
5395 const GLvoid
*pixels
)
5397 struct gl_texture_object
* texObj
;
5398 GET_CURRENT_CONTEXT(ctx
);
5400 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
5401 "glCompressedTextureImage2DEXT");
5404 teximage(ctx
, GL_TRUE
, 2, texObj
, target
, level
, internalFormat
,
5405 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, pixels
, false);
5410 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
5411 GLenum internalFormat
, GLsizei width
,
5412 GLsizei height
, GLsizei depth
, GLint border
,
5413 GLsizei imageSize
, const GLvoid
*data
)
5415 GET_CURRENT_CONTEXT(ctx
);
5416 teximage_err(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
, height
,
5417 depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5422 _mesa_CompressedTextureImage3DEXT(GLuint texture
, GLenum target
, GLint level
,
5423 GLenum internalFormat
, GLsizei width
,
5424 GLsizei height
, GLsizei depth
, GLint border
,
5425 GLsizei imageSize
, const GLvoid
*pixels
)
5427 struct gl_texture_object
* texObj
;
5428 GET_CURRENT_CONTEXT(ctx
);
5430 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
5431 "glCompressedTextureImage3DEXT");
5434 teximage(ctx
, GL_TRUE
, 3, texObj
, target
, level
, internalFormat
,
5435 width
, height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, pixels
, false);
5441 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
5442 GLenum internalFormat
, GLsizei width
,
5443 GLint border
, GLsizei imageSize
,
5446 GET_CURRENT_CONTEXT(ctx
);
5447 teximage_no_error(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
, width
, 1,
5448 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5453 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
5454 GLenum internalFormat
, GLsizei width
,
5455 GLsizei height
, GLint border
,
5456 GLsizei imageSize
, const GLvoid
*data
)
5458 GET_CURRENT_CONTEXT(ctx
);
5459 teximage_no_error(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
, width
,
5460 height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5465 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
5466 GLenum internalFormat
, GLsizei width
,
5467 GLsizei height
, GLsizei depth
, GLint border
,
5468 GLsizei imageSize
, const GLvoid
*data
)
5470 GET_CURRENT_CONTEXT(ctx
);
5471 teximage_no_error(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
,
5472 height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
5477 * Common helper for glCompressedTexSubImage1/2/3D() and
5478 * glCompressedTextureSubImage1/2/3D().
5481 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
5482 struct gl_texture_object
*texObj
,
5483 struct gl_texture_image
*texImage
,
5484 GLenum target
, GLint level
, GLint xoffset
,
5485 GLint yoffset
, GLint zoffset
, GLsizei width
,
5486 GLsizei height
, GLsizei depth
, GLenum format
,
5487 GLsizei imageSize
, const GLvoid
*data
)
5489 FLUSH_VERTICES(ctx
, 0);
5491 _mesa_lock_texture(ctx
, texObj
);
5493 if (width
> 0 && height
> 0 && depth
> 0) {
5494 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
5495 xoffset
, yoffset
, zoffset
,
5496 width
, height
, depth
,
5497 format
, imageSize
, data
);
5499 check_gen_mipmap(ctx
, target
, texObj
, level
);
5501 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
5502 * the texel data, not the texture format, size, etc.
5506 _mesa_unlock_texture(ctx
, texObj
);
5511 /* Use bound texture to current unit */
5512 TEX_MODE_CURRENT_NO_ERROR
= 0,
5513 TEX_MODE_CURRENT_ERROR
,
5514 /* Use the specified texture name */
5515 TEX_MODE_DSA_NO_ERROR
,
5517 /* Use the specified texture name + target */
5518 TEX_MODE_EXT_DSA_TEXTURE
,
5523 compressed_tex_sub_image(unsigned dim
, GLenum target
, GLuint texture
,
5524 GLint level
, GLint xoffset
, GLint yoffset
,
5525 GLint zoffset
, GLsizei width
, GLsizei height
,
5526 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5527 const GLvoid
*data
, enum tex_mode mode
,
5530 struct gl_texture_object
*texObj
;
5531 struct gl_texture_image
*texImage
;
5532 bool no_error
= false;
5533 GET_CURRENT_CONTEXT(ctx
);
5536 case TEX_MODE_DSA_ERROR
:
5537 assert(target
== 0);
5538 texObj
= _mesa_lookup_texture_err(ctx
, texture
, caller
);
5540 target
= texObj
->Target
;
5542 case TEX_MODE_DSA_NO_ERROR
:
5543 assert(target
== 0);
5544 texObj
= _mesa_lookup_texture(ctx
, texture
);
5546 target
= texObj
->Target
;
5549 case TEX_MODE_EXT_DSA_TEXTURE
:
5550 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
,
5551 false, true, caller
);
5553 case TEX_MODE_CURRENT_ERROR
:
5555 case TEX_MODE_CURRENT_NO_ERROR
:
5557 assert(texture
== 0);
5558 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5567 compressed_subtexture_target_check(ctx
, target
, dim
, format
,
5568 mode
== TEX_MODE_DSA_ERROR
,
5573 if (!no_error
&& !texObj
)
5577 compressed_subtexture_error_check(ctx
, dim
, texObj
, target
, level
,
5578 xoffset
, yoffset
, zoffset
, width
,
5579 height
, depth
, format
,
5580 imageSize
, data
, caller
)) {
5584 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5586 (mode
== TEX_MODE_DSA_ERROR
|| mode
== TEX_MODE_DSA_NO_ERROR
) &&
5587 texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5588 const char *pixels
= data
;
5591 /* Make sure the texture object is a proper cube.
5592 * (See texturesubimage in teximage.c for details on why this check is
5595 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
5596 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5597 "glCompressedTextureSubImage3D(cube map incomplete)");
5601 /* Copy in each face. */
5602 for (int i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
5603 texImage
= texObj
->Image
[i
][level
];
5606 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5607 texObj
->Target
, level
, xoffset
, yoffset
,
5608 0, width
, height
, 1, format
,
5611 /* Compressed images don't have a client format */
5612 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5614 texImage
->Height
, 1);
5616 pixels
+= image_stride
;
5617 imageSize
-= image_stride
;
5620 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
5623 compressed_texture_sub_image(ctx
, dim
, texObj
, texImage
, target
, level
,
5624 xoffset
, yoffset
, zoffset
, width
, height
,
5625 depth
, format
, imageSize
, data
);
5631 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
5632 GLint xoffset
, GLsizei width
,
5633 GLenum format
, GLsizei imageSize
,
5636 compressed_tex_sub_image(1, target
, 0,
5637 level
, xoffset
, 0, 0, width
,
5638 1, 1, format
, imageSize
, data
,
5639 TEX_MODE_CURRENT_NO_ERROR
,
5640 "glCompressedTexSubImage1D");
5645 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
5646 GLsizei width
, GLenum format
,
5647 GLsizei imageSize
, const GLvoid
*data
)
5649 compressed_tex_sub_image(1, target
, 0,
5650 level
, xoffset
, 0, 0, width
,
5651 1, 1, format
, imageSize
, data
,
5652 TEX_MODE_CURRENT_ERROR
,
5653 "glCompressedTexSubImage1D");
5658 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
5659 GLint xoffset
, GLsizei width
,
5660 GLenum format
, GLsizei imageSize
,
5663 compressed_tex_sub_image(1, 0, texture
,
5664 level
, xoffset
, 0, 0,
5665 width
, 1, 1, format
, imageSize
, data
,
5666 TEX_MODE_DSA_NO_ERROR
,
5667 "glCompressedTextureSubImage1D");
5672 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
5673 GLsizei width
, GLenum format
,
5674 GLsizei imageSize
, const GLvoid
*data
)
5676 compressed_tex_sub_image(1, 0, texture
,
5677 level
, xoffset
, 0, 0,
5678 width
, 1, 1, format
, imageSize
, data
,
5680 "glCompressedTextureSubImage1D");
5685 _mesa_CompressedTextureSubImage1DEXT(GLuint texture
, GLenum target
,
5686 GLint level
, GLint xoffset
,
5687 GLsizei width
, GLenum format
,
5688 GLsizei imageSize
, const GLvoid
*data
)
5690 compressed_tex_sub_image(1, target
, texture
, level
, xoffset
, 0,
5691 0, width
, 1, 1, format
, imageSize
,
5693 TEX_MODE_EXT_DSA_TEXTURE
,
5694 "glCompressedTextureSubImage1DEXT");
5699 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
5700 GLint xoffset
, GLint yoffset
,
5701 GLsizei width
, GLsizei height
,
5702 GLenum format
, GLsizei imageSize
,
5705 compressed_tex_sub_image(2, target
, 0, level
,
5706 xoffset
, yoffset
, 0,
5707 width
, height
, 1, format
, imageSize
, data
,
5708 TEX_MODE_CURRENT_NO_ERROR
,
5709 "glCompressedTexSubImage2D");
5714 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
5715 GLint yoffset
, GLsizei width
, GLsizei height
,
5716 GLenum format
, GLsizei imageSize
,
5719 compressed_tex_sub_image(2, target
, 0, level
,
5720 xoffset
, yoffset
, 0,
5721 width
, height
, 1, format
, imageSize
, data
,
5722 TEX_MODE_CURRENT_ERROR
,
5723 "glCompressedTexSubImage2D");
5728 _mesa_CompressedTextureSubImage2DEXT(GLuint texture
, GLenum target
,
5729 GLint level
, GLint xoffset
,
5730 GLint yoffset
, GLsizei width
,
5731 GLsizei height
, GLenum format
,
5732 GLsizei imageSize
, const GLvoid
*data
)
5734 compressed_tex_sub_image(2, target
, texture
, level
, xoffset
,
5735 yoffset
, 0, width
, height
, 1, format
,
5737 TEX_MODE_EXT_DSA_TEXTURE
,
5738 "glCompressedTextureSubImage2DEXT");
5743 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
5744 GLint xoffset
, GLint yoffset
,
5745 GLsizei width
, GLsizei height
,
5746 GLenum format
, GLsizei imageSize
,
5749 compressed_tex_sub_image(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5750 width
, height
, 1, format
, imageSize
, data
,
5751 TEX_MODE_DSA_NO_ERROR
,
5752 "glCompressedTextureSubImage2D");
5757 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
5759 GLsizei width
, GLsizei height
,
5760 GLenum format
, GLsizei imageSize
,
5763 compressed_tex_sub_image(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5764 width
, height
, 1, format
, imageSize
, data
,
5766 "glCompressedTextureSubImage2D");
5770 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
5771 GLint xoffset
, GLint yoffset
,
5772 GLint zoffset
, GLsizei width
,
5773 GLsizei height
, GLsizei depth
,
5774 GLenum format
, GLsizei imageSize
,
5777 compressed_tex_sub_image(3, target
, 0, level
, xoffset
, yoffset
,
5778 zoffset
, width
, height
, depth
, format
,
5780 TEX_MODE_CURRENT_NO_ERROR
,
5781 "glCompressedTexSubImage3D");
5785 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5786 GLint yoffset
, GLint zoffset
, GLsizei width
,
5787 GLsizei height
, GLsizei depth
, GLenum format
,
5788 GLsizei imageSize
, const GLvoid
*data
)
5790 compressed_tex_sub_image(3, target
, 0, level
, xoffset
, yoffset
,
5791 zoffset
, width
, height
, depth
, format
,
5793 TEX_MODE_CURRENT_ERROR
,
5794 "glCompressedTexSubImage3D");
5798 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
5799 GLint xoffset
, GLint yoffset
,
5800 GLint zoffset
, GLsizei width
,
5801 GLsizei height
, GLsizei depth
,
5802 GLenum format
, GLsizei imageSize
,
5805 compressed_tex_sub_image(3, 0, texture
, level
, xoffset
, yoffset
,
5806 zoffset
, width
, height
, depth
, format
,
5808 TEX_MODE_DSA_NO_ERROR
,
5809 "glCompressedTextureSubImage3D");
5813 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5814 GLint yoffset
, GLint zoffset
, GLsizei width
,
5815 GLsizei height
, GLsizei depth
,
5816 GLenum format
, GLsizei imageSize
,
5819 compressed_tex_sub_image(3, 0, texture
, level
, xoffset
, yoffset
,
5820 zoffset
, width
, height
, depth
, format
,
5823 "glCompressedTextureSubImage3D");
5828 _mesa_CompressedTextureSubImage3DEXT(GLuint texture
, GLenum target
,
5829 GLint level
, GLint xoffset
,
5830 GLint yoffset
, GLint zoffset
,
5831 GLsizei width
, GLsizei height
,
5832 GLsizei depth
, GLenum format
,
5833 GLsizei imageSize
, const GLvoid
*data
)
5835 compressed_tex_sub_image(3, target
, texture
, level
, xoffset
, yoffset
,
5836 zoffset
, width
, height
, depth
, format
,
5838 TEX_MODE_EXT_DSA_TEXTURE
,
5839 "glCompressedTextureSubImage3DEXT");
5844 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5846 if (ctx
->API
== API_OPENGL_COMPAT
) {
5847 switch (internalFormat
) {
5849 return MESA_FORMAT_A_UNORM8
;
5851 return MESA_FORMAT_A_UNORM16
;
5852 case GL_ALPHA16F_ARB
:
5853 return MESA_FORMAT_A_FLOAT16
;
5854 case GL_ALPHA32F_ARB
:
5855 return MESA_FORMAT_A_FLOAT32
;
5856 case GL_ALPHA8I_EXT
:
5857 return MESA_FORMAT_A_SINT8
;
5858 case GL_ALPHA16I_EXT
:
5859 return MESA_FORMAT_A_SINT16
;
5860 case GL_ALPHA32I_EXT
:
5861 return MESA_FORMAT_A_SINT32
;
5862 case GL_ALPHA8UI_EXT
:
5863 return MESA_FORMAT_A_UINT8
;
5864 case GL_ALPHA16UI_EXT
:
5865 return MESA_FORMAT_A_UINT16
;
5866 case GL_ALPHA32UI_EXT
:
5867 return MESA_FORMAT_A_UINT32
;
5869 return MESA_FORMAT_L_UNORM8
;
5870 case GL_LUMINANCE16
:
5871 return MESA_FORMAT_L_UNORM16
;
5872 case GL_LUMINANCE16F_ARB
:
5873 return MESA_FORMAT_L_FLOAT16
;
5874 case GL_LUMINANCE32F_ARB
:
5875 return MESA_FORMAT_L_FLOAT32
;
5876 case GL_LUMINANCE8I_EXT
:
5877 return MESA_FORMAT_L_SINT8
;
5878 case GL_LUMINANCE16I_EXT
:
5879 return MESA_FORMAT_L_SINT16
;
5880 case GL_LUMINANCE32I_EXT
:
5881 return MESA_FORMAT_L_SINT32
;
5882 case GL_LUMINANCE8UI_EXT
:
5883 return MESA_FORMAT_L_UINT8
;
5884 case GL_LUMINANCE16UI_EXT
:
5885 return MESA_FORMAT_L_UINT16
;
5886 case GL_LUMINANCE32UI_EXT
:
5887 return MESA_FORMAT_L_UINT32
;
5888 case GL_LUMINANCE8_ALPHA8
:
5889 return MESA_FORMAT_L8A8_UNORM
;
5890 case GL_LUMINANCE16_ALPHA16
:
5891 return MESA_FORMAT_L16A16_UNORM
;
5892 case GL_LUMINANCE_ALPHA16F_ARB
:
5893 return MESA_FORMAT_LA_FLOAT16
;
5894 case GL_LUMINANCE_ALPHA32F_ARB
:
5895 return MESA_FORMAT_LA_FLOAT32
;
5896 case GL_LUMINANCE_ALPHA8I_EXT
:
5897 return MESA_FORMAT_LA_SINT8
;
5898 case GL_LUMINANCE_ALPHA16I_EXT
:
5899 return MESA_FORMAT_LA_SINT16
;
5900 case GL_LUMINANCE_ALPHA32I_EXT
:
5901 return MESA_FORMAT_LA_SINT32
;
5902 case GL_LUMINANCE_ALPHA8UI_EXT
:
5903 return MESA_FORMAT_LA_UINT8
;
5904 case GL_LUMINANCE_ALPHA16UI_EXT
:
5905 return MESA_FORMAT_LA_UINT16
;
5906 case GL_LUMINANCE_ALPHA32UI_EXT
:
5907 return MESA_FORMAT_LA_UINT32
;
5909 return MESA_FORMAT_I_UNORM8
;
5910 case GL_INTENSITY16
:
5911 return MESA_FORMAT_I_UNORM16
;
5912 case GL_INTENSITY16F_ARB
:
5913 return MESA_FORMAT_I_FLOAT16
;
5914 case GL_INTENSITY32F_ARB
:
5915 return MESA_FORMAT_I_FLOAT32
;
5916 case GL_INTENSITY8I_EXT
:
5917 return MESA_FORMAT_I_SINT8
;
5918 case GL_INTENSITY16I_EXT
:
5919 return MESA_FORMAT_I_SINT16
;
5920 case GL_INTENSITY32I_EXT
:
5921 return MESA_FORMAT_I_SINT32
;
5922 case GL_INTENSITY8UI_EXT
:
5923 return MESA_FORMAT_I_UINT8
;
5924 case GL_INTENSITY16UI_EXT
:
5925 return MESA_FORMAT_I_UINT16
;
5926 case GL_INTENSITY32UI_EXT
:
5927 return MESA_FORMAT_I_UINT32
;
5933 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
5934 _mesa_has_OES_texture_buffer(ctx
)) {
5935 switch (internalFormat
) {
5937 return MESA_FORMAT_RGB_FLOAT32
;
5939 return MESA_FORMAT_RGB_UINT32
;
5941 return MESA_FORMAT_RGB_SINT32
;
5947 switch (internalFormat
) {
5949 return MESA_FORMAT_R8G8B8A8_UNORM
;
5951 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5952 return MESA_FORMAT_NONE
;
5953 return MESA_FORMAT_RGBA_UNORM16
;
5954 case GL_RGBA16F_ARB
:
5955 return MESA_FORMAT_RGBA_FLOAT16
;
5956 case GL_RGBA32F_ARB
:
5957 return MESA_FORMAT_RGBA_FLOAT32
;
5959 return MESA_FORMAT_RGBA_SINT8
;
5960 case GL_RGBA16I_EXT
:
5961 return MESA_FORMAT_RGBA_SINT16
;
5962 case GL_RGBA32I_EXT
:
5963 return MESA_FORMAT_RGBA_SINT32
;
5964 case GL_RGBA8UI_EXT
:
5965 return MESA_FORMAT_RGBA_UINT8
;
5966 case GL_RGBA16UI_EXT
:
5967 return MESA_FORMAT_RGBA_UINT16
;
5968 case GL_RGBA32UI_EXT
:
5969 return MESA_FORMAT_RGBA_UINT32
;
5972 return MESA_FORMAT_R8G8_UNORM
;
5974 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5975 return MESA_FORMAT_NONE
;
5976 return MESA_FORMAT_R16G16_UNORM
;
5978 return MESA_FORMAT_RG_FLOAT16
;
5980 return MESA_FORMAT_RG_FLOAT32
;
5982 return MESA_FORMAT_RG_SINT8
;
5984 return MESA_FORMAT_RG_SINT16
;
5986 return MESA_FORMAT_RG_SINT32
;
5988 return MESA_FORMAT_RG_UINT8
;
5990 return MESA_FORMAT_RG_UINT16
;
5992 return MESA_FORMAT_RG_UINT32
;
5995 return MESA_FORMAT_R_UNORM8
;
5997 if (_mesa_is_gles(ctx
) && !_mesa_has_EXT_texture_norm16(ctx
))
5998 return MESA_FORMAT_NONE
;
5999 return MESA_FORMAT_R_UNORM16
;
6001 return MESA_FORMAT_R_FLOAT16
;
6003 return MESA_FORMAT_R_FLOAT32
;
6005 return MESA_FORMAT_R_SINT8
;
6007 return MESA_FORMAT_R_SINT16
;
6009 return MESA_FORMAT_R_SINT32
;
6011 return MESA_FORMAT_R_UINT8
;
6013 return MESA_FORMAT_R_UINT16
;
6015 return MESA_FORMAT_R_UINT32
;
6018 return MESA_FORMAT_NONE
;
6024 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
6025 GLenum internalFormat
)
6027 mesa_format format
= _mesa_get_texbuffer_format(ctx
, internalFormat
);
6030 if (format
== MESA_FORMAT_NONE
)
6031 return MESA_FORMAT_NONE
;
6033 datatype
= _mesa_get_format_datatype(format
);
6035 /* The GL_ARB_texture_buffer_object spec says:
6037 * "If ARB_texture_float is not supported, references to the
6038 * floating-point internal formats provided by that extension should be
6039 * removed, and such formats may not be passed to TexBufferARB."
6041 * As a result, GL_HALF_FLOAT internal format depends on both
6042 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
6044 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
6045 !ctx
->Extensions
.ARB_texture_float
)
6046 return MESA_FORMAT_NONE
;
6048 if (!ctx
->Extensions
.ARB_texture_rg
) {
6049 GLenum base_format
= _mesa_get_format_base_format(format
);
6050 if (base_format
== GL_R
|| base_format
== GL_RG
)
6051 return MESA_FORMAT_NONE
;
6054 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
6055 GLenum base_format
= _mesa_get_format_base_format(format
);
6056 if (base_format
== GL_RGB
)
6057 return MESA_FORMAT_NONE
;
6064 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
6065 * and glTextureBufferRange, including some error checking.
6068 texture_buffer_range(struct gl_context
*ctx
,
6069 struct gl_texture_object
*texObj
,
6070 GLenum internalFormat
,
6071 struct gl_buffer_object
*bufObj
,
6072 GLintptr offset
, GLsizeiptr size
,
6075 GLintptr oldOffset
= texObj
->BufferOffset
;
6076 GLsizeiptr oldSize
= texObj
->BufferSize
;
6079 /* NOTE: ARB_texture_buffer_object might not be supported in
6080 * the compatibility profile.
6082 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
6083 !_mesa_has_OES_texture_buffer(ctx
)) {
6084 _mesa_error(ctx
, GL_INVALID_OPERATION
,
6085 "%s(ARB_texture_buffer_object is not"
6086 " implemented for the compatibility profile)", caller
);
6090 if (texObj
->HandleAllocated
) {
6091 /* The ARB_bindless_texture spec says:
6093 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
6094 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
6095 * functions defined in terms of these, if the texture object to be
6096 * modified is referenced by one or more texture or image handles."
6098 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable texture)", caller
);
6102 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
6103 if (format
== MESA_FORMAT_NONE
) {
6104 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
6105 caller
, _mesa_enum_to_string(internalFormat
));
6109 FLUSH_VERTICES(ctx
, 0);
6111 _mesa_lock_texture(ctx
, texObj
);
6113 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
6114 texObj
->BufferObjectFormat
= internalFormat
;
6115 texObj
->_BufferObjectFormat
= format
;
6116 texObj
->BufferOffset
= offset
;
6117 texObj
->BufferSize
= size
;
6119 _mesa_unlock_texture(ctx
, texObj
);
6121 if (ctx
->Driver
.TexParameter
) {
6122 if (offset
!= oldOffset
) {
6123 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
6125 if (size
!= oldSize
) {
6126 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
6130 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
6133 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
6139 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
6140 * Return true if it is, and return false if it is not
6141 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
6142 * core spec, 02.02.2015, PDF page 245).
6145 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
6148 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
6149 _mesa_error(ctx
, GL_INVALID_ENUM
,
6150 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
6158 * Check for errors related to the texture buffer range.
6159 * Return false if errors are found, true if none are found.
6162 check_texture_buffer_range(struct gl_context
*ctx
,
6163 struct gl_buffer_object
*bufObj
,
6164 GLintptr offset
, GLsizeiptr size
,
6167 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6168 * Textures (PDF page 245):
6169 * "An INVALID_VALUE error is generated if offset is negative, if
6170 * size is less than or equal to zero, or if offset + size is greater
6171 * than the value of BUFFER_SIZE for the buffer bound to target."
6174 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
6180 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
6185 if (offset
+ size
> bufObj
->Size
) {
6186 _mesa_error(ctx
, GL_INVALID_VALUE
,
6187 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
6188 (int) offset
, (int) size
, (int) bufObj
->Size
);
6192 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6193 * Textures (PDF page 245):
6194 * "An INVALID_VALUE error is generated if offset is not an integer
6195 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
6197 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
6198 _mesa_error(ctx
, GL_INVALID_VALUE
,
6199 "%s(invalid offset alignment)", caller
);
6207 /** GL_ARB_texture_buffer_object */
6209 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
6211 struct gl_texture_object
*texObj
;
6212 struct gl_buffer_object
*bufObj
;
6214 GET_CURRENT_CONTEXT(ctx
);
6216 /* Need to catch a bad target before it gets to
6217 * _mesa_get_current_tex_object.
6219 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
6223 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
6229 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6233 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
6234 buffer
? -1 : 0, "glTexBuffer");
6238 /** GL_ARB_texture_buffer_range */
6240 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
6241 GLintptr offset
, GLsizeiptr size
)
6243 struct gl_texture_object
*texObj
;
6244 struct gl_buffer_object
*bufObj
;
6246 GET_CURRENT_CONTEXT(ctx
);
6248 /* Need to catch a bad target before it gets to
6249 * _mesa_get_current_tex_object.
6251 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
6255 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
6259 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
6260 "glTexBufferRange"))
6264 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6265 * Textures (PDF page 254):
6266 * "If buffer is zero, then any buffer object attached to the buffer
6267 * texture is detached, the values offset and size are ignored and
6268 * the state for offset and size for the buffer texture are reset to
6276 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6280 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
6281 offset
, size
, "glTexBufferRange");
6285 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
6287 struct gl_texture_object
*texObj
;
6288 struct gl_buffer_object
*bufObj
;
6290 GET_CURRENT_CONTEXT(ctx
);
6293 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
6299 /* Get the texture object by Name. */
6300 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
6304 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
6307 texture_buffer_range(ctx
, texObj
, internalFormat
,
6308 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
6312 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
6313 GLintptr offset
, GLsizeiptr size
)
6315 struct gl_texture_object
*texObj
;
6316 struct gl_buffer_object
*bufObj
;
6318 GET_CURRENT_CONTEXT(ctx
);
6321 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
6322 "glTextureBufferRange");
6326 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
6327 "glTextureBufferRange"))
6331 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6332 * Textures (PDF page 254):
6333 * "If buffer is zero, then any buffer object attached to the buffer
6334 * texture is detached, the values offset and size are ignored and
6335 * the state for offset and size for the buffer texture are reset to
6343 /* Get the texture object by Name. */
6344 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
6348 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
6349 "glTextureBufferRange"))
6352 texture_buffer_range(ctx
, texObj
, internalFormat
,
6353 bufObj
, offset
, size
, "glTextureBufferRange");
6357 _mesa_is_renderable_texture_format(const struct gl_context
*ctx
,
6358 GLenum internalformat
)
6360 /* Everything that is allowed for renderbuffers,
6361 * except for a base format of GL_STENCIL_INDEX, unless supported.
6363 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
6364 if (ctx
->Extensions
.ARB_texture_stencil8
)
6365 return baseFormat
!= 0;
6367 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
6371 /** GL_ARB_texture_multisample */
6373 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
6376 case GL_TEXTURE_2D_MULTISAMPLE
:
6378 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
6379 return dims
== 2 && !dsa
;
6380 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
6382 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
6383 return dims
== 3 && !dsa
;
6391 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
6392 struct gl_texture_object
*texObj
,
6393 struct gl_memory_object
*memObj
,
6394 GLenum target
, GLsizei samples
,
6395 GLint internalformat
, GLsizei width
,
6396 GLsizei height
, GLsizei depth
,
6397 GLboolean fixedsamplelocations
,
6398 GLboolean immutable
, GLuint64 offset
,
6401 struct gl_texture_image
*texImage
;
6402 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
6403 mesa_format texFormat
;
6404 GLenum sample_count_error
;
6405 bool dsa
= strstr(func
, "ture") ? true : false;
6407 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
6408 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
6409 _mesa_enum_to_string(target
), samples
);
6412 if (!((ctx
->Extensions
.ARB_texture_multisample
6413 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
6414 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
6419 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
6423 if (!check_multisample_target(dims
, target
, dsa
)) {
6424 GLenum err
= dsa
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
6425 _mesa_error(ctx
, err
, "%s(target=%s)", func
,
6426 _mesa_enum_to_string(target
));
6430 /* check that the specified internalformat is color/depth/stencil-renderable;
6431 * refer GL3.1 spec 4.4.4
6434 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
6435 _mesa_error(ctx
, GL_INVALID_ENUM
,
6436 "%s(internalformat=%s not legal for immutable-format)",
6437 func
, _mesa_enum_to_string(internalformat
));
6441 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
6442 /* Page 172 of OpenGL ES 3.1 spec says:
6443 * "An INVALID_ENUM error is generated if sizedinternalformat is not
6444 * color-renderable, depth-renderable, or stencil-renderable (as
6445 * defined in section 9.4).
6447 * (Same error is also defined for desktop OpenGL for multisample
6448 * teximage/texstorage functions.)
6450 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
6451 _mesa_enum_to_string(internalformat
));
6455 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
6456 internalformat
, samples
, samples
);
6457 samplesOK
= sample_count_error
== GL_NO_ERROR
;
6459 /* Page 254 of OpenGL 4.4 spec says:
6460 * "Proxy arrays for two-dimensional multisample and two-dimensional
6461 * multisample array textures are operated on in the same way when
6462 * TexImage2DMultisample is called with target specified as
6463 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
6464 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
6465 * However, if samples is not supported, then no error is generated.
6467 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
6468 _mesa_error(ctx
, sample_count_error
, "%s(samples=%d)", func
, samples
);
6472 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
6473 _mesa_error(ctx
, GL_INVALID_OPERATION
,
6474 "%s(texture object 0)",
6479 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
6481 if (texImage
== NULL
) {
6482 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
6486 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
6487 internalformat
, GL_NONE
, GL_NONE
);
6488 assert(texFormat
!= MESA_FORMAT_NONE
);
6490 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
6491 width
, height
, depth
, 0);
6493 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
6494 samples
, width
, height
, depth
);
6496 if (_mesa_is_proxy_texture(target
)) {
6497 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
6498 _mesa_init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
6499 internalformat
, texFormat
,
6500 samples
, fixedsamplelocations
);
6503 /* clear all image fields */
6504 clear_teximage_fields(texImage
);
6508 if (!dimensionsOK
) {
6509 _mesa_error(ctx
, GL_INVALID_VALUE
,
6510 "%s(invalid width=%d or height=%d)", func
, width
, height
);
6515 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
6519 /* Check if texObj->Immutable is set */
6520 if (texObj
->Immutable
) {
6521 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
6525 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
6527 _mesa_init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
6528 internalformat
, texFormat
,
6529 samples
, fixedsamplelocations
);
6531 if (width
> 0 && height
> 0 && depth
> 0) {
6533 if (!ctx
->Driver
.SetTextureStorageForMemoryObject(ctx
, texObj
,
6538 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
6539 internalformat
, texFormat
);
6542 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
6543 width
, height
, depth
)) {
6544 /* tidy up the texture image state. strictly speaking,
6545 * we're allowed to just leave this in whatever state we
6546 * like, but being tidy is good.
6548 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
6549 internalformat
, texFormat
);
6554 texObj
->Immutable
|= immutable
;
6557 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
6560 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
6566 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
6567 GLenum internalformat
, GLsizei width
,
6568 GLsizei height
, GLboolean fixedsamplelocations
)
6570 struct gl_texture_object
*texObj
;
6571 GET_CURRENT_CONTEXT(ctx
);
6573 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6577 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
6578 internalformat
, width
, height
, 1,
6579 fixedsamplelocations
, GL_FALSE
, 0,
6580 "glTexImage2DMultisample");
6585 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
6586 GLenum internalformat
, GLsizei width
,
6587 GLsizei height
, GLsizei depth
,
6588 GLboolean fixedsamplelocations
)
6590 struct gl_texture_object
*texObj
;
6591 GET_CURRENT_CONTEXT(ctx
);
6593 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6597 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
6598 internalformat
, width
, height
, depth
,
6599 fixedsamplelocations
, GL_FALSE
, 0,
6600 "glTexImage3DMultisample");
6604 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
6607 GET_CURRENT_CONTEXT(ctx
);
6609 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
6610 _mesa_error(ctx
, GL_INVALID_VALUE
,
6611 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
6612 dims
, width
, height
, depth
);
6619 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
6620 GLenum internalformat
, GLsizei width
,
6621 GLsizei height
, GLboolean fixedsamplelocations
)
6623 struct gl_texture_object
*texObj
;
6624 GET_CURRENT_CONTEXT(ctx
);
6626 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6630 if (!valid_texstorage_ms_parameters(width
, height
, 1, 2))
6633 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
6634 internalformat
, width
, height
, 1,
6635 fixedsamplelocations
, GL_TRUE
, 0,
6636 "glTexStorage2DMultisample");
6640 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
6641 GLenum internalformat
, GLsizei width
,
6642 GLsizei height
, GLsizei depth
,
6643 GLboolean fixedsamplelocations
)
6645 struct gl_texture_object
*texObj
;
6646 GET_CURRENT_CONTEXT(ctx
);
6648 texObj
= _mesa_get_current_tex_object(ctx
, target
);
6652 if (!valid_texstorage_ms_parameters(width
, height
, depth
, 3))
6655 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
6656 internalformat
, width
, height
, depth
,
6657 fixedsamplelocations
, GL_TRUE
, 0,
6658 "glTexStorage3DMultisample");
6662 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
6663 GLenum internalformat
, GLsizei width
,
6665 GLboolean fixedsamplelocations
)
6667 struct gl_texture_object
*texObj
;
6668 GET_CURRENT_CONTEXT(ctx
);
6670 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6671 "glTextureStorage2DMultisample");
6675 if (!valid_texstorage_ms_parameters(width
, height
, 1, 2))
6678 texture_image_multisample(ctx
, 2, texObj
, NULL
, texObj
->Target
,
6679 samples
, internalformat
, width
, height
, 1,
6680 fixedsamplelocations
, GL_TRUE
, 0,
6681 "glTextureStorage2DMultisample");
6685 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
6686 GLenum internalformat
, GLsizei width
,
6687 GLsizei height
, GLsizei depth
,
6688 GLboolean fixedsamplelocations
)
6690 struct gl_texture_object
*texObj
;
6691 GET_CURRENT_CONTEXT(ctx
);
6693 /* Get the texture object by Name. */
6694 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6695 "glTextureStorage3DMultisample");
6699 if (!valid_texstorage_ms_parameters(width
, height
, depth
, 3))
6702 texture_image_multisample(ctx
, 3, texObj
, NULL
, texObj
->Target
, samples
,
6703 internalformat
, width
, height
, depth
,
6704 fixedsamplelocations
, GL_TRUE
, 0,
6705 "glTextureStorage3DMultisample");
6709 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
6710 struct gl_texture_object
*texObj
,
6711 struct gl_memory_object
*memObj
,
6712 GLenum target
, GLsizei samples
,
6713 GLenum internalFormat
, GLsizei width
,
6714 GLsizei height
, GLsizei depth
,
6715 GLboolean fixedSampleLocations
,
6716 GLuint64 offset
, const char* func
)
6720 texture_image_multisample(ctx
, dims
, texObj
, memObj
, target
, samples
,
6721 internalFormat
, width
, height
, depth
,
6722 fixedSampleLocations
, GL_TRUE
, offset
,