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
;
127 * Install gl_texture_image in a gl_texture_object according to the target
128 * and level parameters.
130 * \param tObj texture object.
131 * \param target texture target.
132 * \param level image level.
133 * \param texImage texture image.
136 set_tex_image(struct gl_texture_object
*tObj
,
137 GLenum target
, GLint level
,
138 struct gl_texture_image
*texImage
)
140 const GLuint face
= _mesa_tex_target_to_face(target
);
144 if (target
== GL_TEXTURE_RECTANGLE_NV
|| target
== GL_TEXTURE_EXTERNAL_OES
)
147 tObj
->Image
[face
][level
] = texImage
;
149 /* Set the 'back' pointer */
150 texImage
->TexObject
= tObj
;
151 texImage
->Level
= level
;
152 texImage
->Face
= face
;
157 * Free a gl_texture_image and associated data.
158 * This function is a fallback called via ctx->Driver.DeleteTextureImage().
160 * \param texImage texture image.
162 * Free the texture image structure and the associated image data.
165 _mesa_delete_texture_image(struct gl_context
*ctx
,
166 struct gl_texture_image
*texImage
)
168 /* Free texImage->Data and/or any other driver-specific texture
171 assert(ctx
->Driver
.FreeTextureImageBuffer
);
172 ctx
->Driver
.FreeTextureImageBuffer( ctx
, texImage
);
178 * Test if a target is a proxy target.
180 * \param target texture target.
182 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
185 _mesa_is_proxy_texture(GLenum target
)
188 static const GLenum targets
[] = {
192 GL_PROXY_TEXTURE_CUBE_MAP
,
193 GL_PROXY_TEXTURE_RECTANGLE
,
194 GL_PROXY_TEXTURE_1D_ARRAY
,
195 GL_PROXY_TEXTURE_2D_ARRAY
,
196 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
,
197 GL_PROXY_TEXTURE_2D_MULTISAMPLE
,
198 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
201 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
202 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
204 STATIC_ASSERT(NUM_TEXTURE_TARGETS
== ARRAY_SIZE(targets
) + 2);
206 for (i
= 0; i
< ARRAY_SIZE(targets
); ++i
)
207 if (target
== targets
[i
])
214 * Test if a target is an array target.
216 * \param target texture target.
218 * \return true if the target is an array target, false otherwise.
221 _mesa_is_array_texture(GLenum target
)
224 case GL_TEXTURE_1D_ARRAY
:
225 case GL_TEXTURE_2D_ARRAY
:
226 case GL_TEXTURE_CUBE_MAP_ARRAY
:
227 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
235 * Test if a target is a cube map.
237 * \param target texture target.
239 * \return true if the target is a cube map, false otherwise.
242 _mesa_is_cube_map_texture(GLenum target
)
245 case GL_TEXTURE_CUBE_MAP
:
246 case GL_TEXTURE_CUBE_MAP_ARRAY
:
254 * Return the proxy target which corresponds to the given texture target
257 proxy_target(GLenum target
)
261 case GL_PROXY_TEXTURE_1D
:
262 return GL_PROXY_TEXTURE_1D
;
264 case GL_PROXY_TEXTURE_2D
:
265 return GL_PROXY_TEXTURE_2D
;
267 case GL_PROXY_TEXTURE_3D
:
268 return GL_PROXY_TEXTURE_3D
;
269 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
270 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
271 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
272 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
273 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
274 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
275 case GL_TEXTURE_CUBE_MAP
:
276 case GL_PROXY_TEXTURE_CUBE_MAP
:
277 return GL_PROXY_TEXTURE_CUBE_MAP
;
278 case GL_TEXTURE_RECTANGLE_NV
:
279 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
280 return GL_PROXY_TEXTURE_RECTANGLE_NV
;
281 case GL_TEXTURE_1D_ARRAY_EXT
:
282 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
283 return GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
284 case GL_TEXTURE_2D_ARRAY_EXT
:
285 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
286 return GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
287 case GL_TEXTURE_CUBE_MAP_ARRAY
:
288 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
289 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
;
290 case GL_TEXTURE_2D_MULTISAMPLE
:
291 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
292 return GL_PROXY_TEXTURE_2D_MULTISAMPLE
;
293 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
294 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
295 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
;
297 _mesa_problem(NULL
, "unexpected target in proxy_target()");
306 * Get a texture image pointer from a texture object, given a texture
307 * target and mipmap level. The target and level parameters should
308 * have already been error-checked.
310 * \param texObj texture unit.
311 * \param target texture target.
312 * \param level image level.
314 * \return pointer to the texture image structure, or NULL on failure.
316 struct gl_texture_image
*
317 _mesa_select_tex_image(const struct gl_texture_object
*texObj
,
318 GLenum target
, GLint level
)
320 const GLuint face
= _mesa_tex_target_to_face(target
);
324 assert(level
< MAX_TEXTURE_LEVELS
);
326 return texObj
->Image
[face
][level
];
331 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
332 * it and install it. Only return NULL if passed a bad parameter or run
335 struct gl_texture_image
*
336 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
337 GLenum target
, GLint level
)
339 struct gl_texture_image
*texImage
;
344 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
346 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
348 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
352 set_tex_image(texObj
, target
, level
, texImage
);
360 * Return pointer to the specified proxy texture image.
361 * Note that proxy textures are per-context, not per-texture unit.
362 * \return pointer to texture image or NULL if invalid target, invalid
363 * level, or out of memory.
365 static struct gl_texture_image
*
366 get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
)
368 struct gl_texture_image
*texImage
;
375 case GL_PROXY_TEXTURE_1D
:
376 if (level
>= ctx
->Const
.MaxTextureLevels
)
378 texIndex
= TEXTURE_1D_INDEX
;
380 case GL_PROXY_TEXTURE_2D
:
381 if (level
>= ctx
->Const
.MaxTextureLevels
)
383 texIndex
= TEXTURE_2D_INDEX
;
385 case GL_PROXY_TEXTURE_3D
:
386 if (level
>= ctx
->Const
.Max3DTextureLevels
)
388 texIndex
= TEXTURE_3D_INDEX
;
390 case GL_PROXY_TEXTURE_CUBE_MAP
:
391 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
393 texIndex
= TEXTURE_CUBE_INDEX
;
395 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
398 texIndex
= TEXTURE_RECT_INDEX
;
400 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
401 if (level
>= ctx
->Const
.MaxTextureLevels
)
403 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
405 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
406 if (level
>= ctx
->Const
.MaxTextureLevels
)
408 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
410 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
411 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
413 texIndex
= TEXTURE_CUBE_ARRAY_INDEX
;
415 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
418 texIndex
= TEXTURE_2D_MULTISAMPLE_INDEX
;
420 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
423 texIndex
= TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
;
429 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
431 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
433 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
436 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
437 /* Set the 'back' pointer */
438 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
445 * Get the maximum number of allowed mipmap levels.
447 * \param ctx GL context.
448 * \param target texture target.
450 * \return the maximum number of allowed mipmap levels for the given
451 * texture target, or zero if passed a bad target.
456 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
)
460 case GL_PROXY_TEXTURE_1D
:
462 case GL_PROXY_TEXTURE_2D
:
463 return ctx
->Const
.MaxTextureLevels
;
465 case GL_PROXY_TEXTURE_3D
:
466 return ctx
->Const
.Max3DTextureLevels
;
467 case GL_TEXTURE_CUBE_MAP
:
468 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
469 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
470 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
471 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
472 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
473 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
474 case GL_PROXY_TEXTURE_CUBE_MAP
:
475 return ctx
->Extensions
.ARB_texture_cube_map
476 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
477 case GL_TEXTURE_RECTANGLE_NV
:
478 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
479 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
480 case GL_TEXTURE_1D_ARRAY_EXT
:
481 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
482 case GL_TEXTURE_2D_ARRAY_EXT
:
483 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
484 return ctx
->Extensions
.EXT_texture_array
485 ? ctx
->Const
.MaxTextureLevels
: 0;
486 case GL_TEXTURE_CUBE_MAP_ARRAY
:
487 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
488 return _mesa_has_texture_cube_map_array(ctx
)
489 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
490 case GL_TEXTURE_BUFFER
:
491 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
492 _mesa_has_OES_texture_buffer(ctx
)) ? 1 : 0;
493 case GL_TEXTURE_2D_MULTISAMPLE
:
494 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
495 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
496 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
497 return (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
))
498 && ctx
->Extensions
.ARB_texture_multisample
500 case GL_TEXTURE_EXTERNAL_OES
:
503 return 0; /* bad target */
509 * Return number of dimensions per mipmap level for the given texture target.
512 _mesa_get_texture_dimensions(GLenum target
)
516 case GL_PROXY_TEXTURE_1D
:
519 case GL_TEXTURE_RECTANGLE
:
520 case GL_TEXTURE_CUBE_MAP
:
521 case GL_PROXY_TEXTURE_2D
:
522 case GL_PROXY_TEXTURE_RECTANGLE
:
523 case GL_PROXY_TEXTURE_CUBE_MAP
:
524 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
525 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
526 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
527 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
528 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
529 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
530 case GL_TEXTURE_1D_ARRAY
:
531 case GL_PROXY_TEXTURE_1D_ARRAY
:
532 case GL_TEXTURE_EXTERNAL_OES
:
533 case GL_TEXTURE_2D_MULTISAMPLE
:
534 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
537 case GL_PROXY_TEXTURE_3D
:
538 case GL_TEXTURE_2D_ARRAY
:
539 case GL_PROXY_TEXTURE_2D_ARRAY
:
540 case GL_TEXTURE_CUBE_MAP_ARRAY
:
541 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
542 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
543 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
545 case GL_TEXTURE_BUFFER
:
548 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
556 * Check if a texture target can have more than one layer.
559 _mesa_tex_target_is_layered(GLenum target
)
563 case GL_PROXY_TEXTURE_1D
:
565 case GL_PROXY_TEXTURE_2D
:
566 case GL_TEXTURE_RECTANGLE
:
567 case GL_PROXY_TEXTURE_RECTANGLE
:
568 case GL_TEXTURE_2D_MULTISAMPLE
:
569 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
570 case GL_TEXTURE_BUFFER
:
571 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
572 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
573 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
574 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
575 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
576 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
577 case GL_TEXTURE_EXTERNAL_OES
:
581 case GL_PROXY_TEXTURE_3D
:
582 case GL_TEXTURE_CUBE_MAP
:
583 case GL_PROXY_TEXTURE_CUBE_MAP
:
584 case GL_TEXTURE_1D_ARRAY
:
585 case GL_PROXY_TEXTURE_1D_ARRAY
:
586 case GL_TEXTURE_2D_ARRAY
:
587 case GL_PROXY_TEXTURE_2D_ARRAY
:
588 case GL_TEXTURE_CUBE_MAP_ARRAY
:
589 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
590 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
591 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
595 assert(!"Invalid texture target.");
602 * Return the number of layers present in the given level of an array,
603 * cubemap or 3D texture. If the texture is not layered return zero.
606 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
)
608 assert(level
>= 0 && level
< MAX_TEXTURE_LEVELS
);
610 switch (texObj
->Target
) {
613 case GL_TEXTURE_RECTANGLE
:
614 case GL_TEXTURE_2D_MULTISAMPLE
:
615 case GL_TEXTURE_BUFFER
:
616 case GL_TEXTURE_EXTERNAL_OES
:
619 case GL_TEXTURE_CUBE_MAP
:
622 case GL_TEXTURE_1D_ARRAY
: {
623 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
624 return img
? img
->Height
: 0;
628 case GL_TEXTURE_2D_ARRAY
:
629 case GL_TEXTURE_CUBE_MAP_ARRAY
:
630 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
: {
631 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
632 return img
? img
->Depth
: 0;
636 assert(!"Invalid texture target.");
643 * Return the maximum number of mipmap levels for the given target
644 * and the dimensions.
645 * The dimensions are expected not to include the border.
648 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
655 case GL_TEXTURE_1D_ARRAY
:
656 case GL_PROXY_TEXTURE_1D
:
657 case GL_PROXY_TEXTURE_1D_ARRAY
:
660 case GL_TEXTURE_CUBE_MAP
:
661 case GL_TEXTURE_CUBE_MAP_ARRAY
:
662 case GL_PROXY_TEXTURE_CUBE_MAP
:
663 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
667 case GL_TEXTURE_2D_ARRAY
:
668 case GL_PROXY_TEXTURE_2D
:
669 case GL_PROXY_TEXTURE_2D_ARRAY
:
670 size
= MAX2(width
, height
);
673 case GL_PROXY_TEXTURE_3D
:
674 size
= MAX3(width
, height
, depth
);
676 case GL_TEXTURE_RECTANGLE
:
677 case GL_TEXTURE_EXTERNAL_OES
:
678 case GL_TEXTURE_2D_MULTISAMPLE
:
679 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
680 case GL_PROXY_TEXTURE_RECTANGLE
:
681 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
682 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
689 return _mesa_logbase2(size
) + 1;
693 #if 000 /* not used anymore */
695 * glTexImage[123]D can accept a NULL image pointer. In this case we
696 * create a texture image with unspecified image contents per the OpenGL
700 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
702 const GLint components
= _mesa_components_in_format(format
);
703 const GLint numPixels
= width
* height
* depth
;
704 GLubyte
*data
= (GLubyte
*) malloc(numPixels
* components
* sizeof(GLubyte
));
708 * Let's see if anyone finds this. If glTexImage2D() is called with
709 * a NULL image pointer then load the texture image with something
710 * interesting instead of leaving it indeterminate.
713 static const char message
[8][32] = {
717 " X X XXXX XXX XXXXX ",
720 " X X XXXXX XXX X X ",
724 GLubyte
*imgPtr
= data
;
726 for (h
= 0; h
< depth
; h
++) {
727 for (i
= 0; i
< height
; i
++) {
728 GLint srcRow
= 7 - (i
% 8);
729 for (j
= 0; j
< width
; j
++) {
730 GLint srcCol
= j
% 32;
731 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
732 for (k
= 0; k
< components
; k
++) {
748 * Set the size and format-related fields of a gl_texture_image struct
749 * to zero. This is used when a proxy texture test fails.
752 clear_teximage_fields(struct gl_texture_image
*img
)
755 img
->_BaseFormat
= 0;
756 img
->InternalFormat
= 0;
767 img
->TexFormat
= MESA_FORMAT_NONE
;
769 img
->FixedSampleLocations
= GL_TRUE
;
774 * Initialize basic fields of the gl_texture_image struct.
776 * \param ctx GL context.
777 * \param img texture image structure to be initialized.
778 * \param width image width.
779 * \param height image height.
780 * \param depth image depth.
781 * \param border image border.
782 * \param internalFormat internal format.
783 * \param format the actual hardware format (one of MESA_FORMAT_*)
784 * \param numSamples number of samples per texel, or zero for non-MS.
785 * \param fixedSampleLocations are sample locations fixed?
787 * Fills in the fields of \p img with the given information.
788 * Note: width, height and depth include the border.
791 init_teximage_fields_ms(struct gl_context
*ctx
,
792 struct gl_texture_image
*img
,
793 GLsizei width
, GLsizei height
, GLsizei depth
,
794 GLint border
, GLenum internalFormat
,
796 GLuint numSamples
, GLboolean fixedSampleLocations
)
804 target
= img
->TexObject
->Target
;
805 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
806 assert(img
->_BaseFormat
!= -1);
807 img
->InternalFormat
= internalFormat
;
808 img
->Border
= border
;
810 img
->Height
= height
;
813 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
814 img
->WidthLog2
= _mesa_logbase2(img
->Width2
);
817 img
->FixedSampleLocations
= GL_TRUE
;
821 case GL_TEXTURE_BUFFER
:
822 case GL_PROXY_TEXTURE_1D
:
834 case GL_TEXTURE_1D_ARRAY
:
835 case GL_PROXY_TEXTURE_1D_ARRAY
:
836 img
->Height2
= height
; /* no border */
837 img
->HeightLog2
= 0; /* not used */
845 case GL_TEXTURE_RECTANGLE
:
846 case GL_TEXTURE_CUBE_MAP
:
847 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
848 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
849 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
850 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
851 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
852 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
853 case GL_TEXTURE_EXTERNAL_OES
:
854 case GL_PROXY_TEXTURE_2D
:
855 case GL_PROXY_TEXTURE_RECTANGLE
:
856 case GL_PROXY_TEXTURE_CUBE_MAP
:
857 case GL_TEXTURE_2D_MULTISAMPLE
:
858 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
859 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
860 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
867 case GL_TEXTURE_2D_ARRAY
:
868 case GL_PROXY_TEXTURE_2D_ARRAY
:
869 case GL_TEXTURE_CUBE_MAP_ARRAY
:
870 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
871 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
872 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
873 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
874 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
875 img
->Depth2
= depth
; /* no border */
876 img
->DepthLog2
= 0; /* not used */
879 case GL_PROXY_TEXTURE_3D
:
880 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
881 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
882 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
883 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
886 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
891 _mesa_get_tex_max_num_levels(target
,
892 img
->Width2
, img
->Height2
, img
->Depth2
);
893 img
->TexFormat
= format
;
894 img
->NumSamples
= numSamples
;
895 img
->FixedSampleLocations
= fixedSampleLocations
;
900 _mesa_init_teximage_fields(struct gl_context
*ctx
,
901 struct gl_texture_image
*img
,
902 GLsizei width
, GLsizei height
, GLsizei depth
,
903 GLint border
, GLenum internalFormat
,
906 init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
907 internalFormat
, format
, 0, GL_TRUE
);
912 * Free and clear fields of the gl_texture_image struct.
914 * \param ctx GL context.
915 * \param texImage texture image structure to be cleared.
917 * After the call, \p texImage will have no data associated with it. Its
918 * fields are cleared so that its parent object will test incomplete.
921 _mesa_clear_texture_image(struct gl_context
*ctx
,
922 struct gl_texture_image
*texImage
)
924 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
925 clear_teximage_fields(texImage
);
930 * Check the width, height, depth and border of a texture image are legal.
931 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
933 * The target and level parameters will have already been validated.
934 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
937 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
938 GLint level
, GLint width
, GLint height
,
939 GLint depth
, GLint border
)
945 case GL_PROXY_TEXTURE_1D
:
946 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1); /* level zero size */
947 maxSize
>>= level
; /* level size */
948 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
950 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
951 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
957 case GL_PROXY_TEXTURE_2D
:
958 case GL_TEXTURE_2D_MULTISAMPLE
:
959 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
960 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
962 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
964 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
966 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
967 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
969 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
975 case GL_PROXY_TEXTURE_3D
:
976 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
978 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
980 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
982 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
984 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
985 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
987 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
989 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
994 case GL_TEXTURE_RECTANGLE_NV
:
995 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
998 maxSize
= ctx
->Const
.MaxTextureRectSize
;
999 if (width
< 0 || width
> maxSize
)
1001 if (height
< 0 || height
> maxSize
)
1005 case GL_TEXTURE_CUBE_MAP
:
1006 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1007 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1008 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1009 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1010 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1011 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1012 case GL_PROXY_TEXTURE_CUBE_MAP
:
1013 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1015 if (width
!= height
)
1017 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1019 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1021 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1022 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1024 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1029 case GL_TEXTURE_1D_ARRAY_EXT
:
1030 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1031 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1033 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1035 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1037 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1038 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1043 case GL_TEXTURE_2D_ARRAY_EXT
:
1044 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1045 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1046 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1047 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1049 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1051 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1053 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
)
1055 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1056 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1058 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1063 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1064 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1065 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1066 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1068 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1070 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1072 if (width
!= height
)
1074 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
1076 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1077 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1079 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1084 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1090 error_check_subtexture_negative_dimensions(struct gl_context
*ctx
,
1099 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width=%d)", func
, subWidth
);
1103 if (dims
> 1 && subHeight
< 0) {
1104 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height=%d)", func
, subHeight
);
1108 if (dims
> 2 && subDepth
< 0) {
1109 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(depth=%d)", func
, subDepth
);
1117 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1118 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1119 * \param destImage the destination texture image.
1120 * \return GL_TRUE if error found, GL_FALSE otherwise.
1123 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1124 const struct gl_texture_image
*destImage
,
1125 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1126 GLsizei subWidth
, GLsizei subHeight
,
1127 GLsizei subDepth
, const char *func
)
1129 const GLenum target
= destImage
->TexObject
->Target
;
1132 /* check xoffset and width */
1133 if (xoffset
< - (GLint
) destImage
->Border
) {
1134 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1138 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1139 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset+width)", func
);
1143 /* check yoffset and height */
1145 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1146 if (yoffset
< -yBorder
) {
1147 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1150 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1151 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset+height)", func
);
1156 /* check zoffset and depth */
1159 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1160 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1161 0 : destImage
->Border
;
1163 if (zoffset
< -zBorder
) {
1164 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1168 depth
= (GLint
) destImage
->Depth
;
1169 if (target
== GL_TEXTURE_CUBE_MAP
)
1171 if (zoffset
+ subDepth
> depth
) {
1172 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset+depth)", func
);
1178 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1179 * compressed texture images can be updated. But, that restriction may be
1180 * relaxed for particular compressed formats. At this time, all the
1181 * compressed formats supported by Mesa allow sub-textures to be updated
1182 * along compressed block boundaries.
1184 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1186 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1187 /* offset must be multiple of block size */
1188 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1189 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1190 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1191 func
, xoffset
, yoffset
, zoffset
);
1195 /* The size must be a multiple of bw x bh, or we must be using a
1196 * offset+size that exactly hits the edge of the image. This
1197 * is important for small mipmap levels (1x1, 2x1, etc) and for
1200 if ((subWidth
% bw
!= 0) &&
1201 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1202 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1203 "%s(width = %d)", func
, subWidth
);
1207 if ((subHeight
% bh
!= 0) &&
1208 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1209 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1210 "%s(height = %d)", func
, subHeight
);
1214 if ((subDepth
% bd
!= 0) &&
1215 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1216 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1217 "%s(depth = %d)", func
, subDepth
);
1229 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1230 * specific texture image size checks.
1232 * A hardware driver might override this function if, for example, the
1233 * max 3D texture size is 512x512x64 (i.e. not a cube).
1235 * Note that width, height, depth == 0 is not an error. However, a
1236 * texture with zero width/height/depth will be considered "incomplete"
1237 * and texturing will effectively be disabled.
1239 * \param target any texture target/type
1240 * \param numLevels number of mipmap levels in the texture or 0 if not known
1241 * \param level as passed to glTexImage
1242 * \param format the MESA_FORMAT_x for the tex image
1243 * \param numSamples number of samples per texel
1244 * \param width as passed to glTexImage
1245 * \param height as passed to glTexImage
1246 * \param depth as passed to glTexImage
1247 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1250 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1251 GLuint numLevels
, GLint level
,
1252 mesa_format format
, GLuint numSamples
,
1253 GLint width
, GLint height
, GLint depth
)
1255 uint64_t bytes
, mbytes
;
1257 if (numLevels
> 0) {
1258 /* Compute total memory for a whole mipmap. This is the path
1259 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1267 for (l
= 0; l
< numLevels
; l
++) {
1268 GLint nextWidth
, nextHeight
, nextDepth
;
1270 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1272 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1273 &nextWidth
, &nextHeight
,
1276 height
= nextHeight
;
1283 /* We just compute the size of one mipmap level. This is the path
1284 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1286 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1289 bytes
*= _mesa_num_tex_faces(target
);
1290 bytes
*= MAX2(1, numSamples
);
1292 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1294 /* We just check if the image size is less than MaxTextureMbytes.
1295 * Some drivers may do more specific checks.
1297 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1302 * Return true if the format is only valid for glCompressedTexImage.
1305 compressedteximage_only_format(const struct gl_context
*ctx
, GLenum format
)
1308 case GL_PALETTE4_RGB8_OES
:
1309 case GL_PALETTE4_RGBA8_OES
:
1310 case GL_PALETTE4_R5_G6_B5_OES
:
1311 case GL_PALETTE4_RGBA4_OES
:
1312 case GL_PALETTE4_RGB5_A1_OES
:
1313 case GL_PALETTE8_RGB8_OES
:
1314 case GL_PALETTE8_RGBA8_OES
:
1315 case GL_PALETTE8_R5_G6_B5_OES
:
1316 case GL_PALETTE8_RGBA4_OES
:
1317 case GL_PALETTE8_RGB5_A1_OES
:
1325 * Return true if the format doesn't support online compression.
1328 _mesa_format_no_online_compression(const struct gl_context
*ctx
, GLenum format
)
1330 return _mesa_is_astc_format(format
) ||
1331 _mesa_is_etc2_format(format
) ||
1332 compressedteximage_only_format(ctx
, format
);
1335 /* Writes to an GL error pointer if non-null and returns whether or not the
1336 * error is GL_NO_ERROR */
1338 write_error(GLenum
*err_ptr
, GLenum error
)
1343 return error
== GL_NO_ERROR
;
1347 * Helper function to determine whether a target and specific compression
1348 * format are supported. The error parameter returns GL_NO_ERROR if the
1349 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1350 * or GL_INVALID_ENUM, whichever is more appropriate.
1353 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1354 GLenum intFormat
, GLenum
*error
)
1356 GLboolean target_can_be_compresed
= GL_FALSE
;
1357 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1358 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1362 case GL_PROXY_TEXTURE_2D
:
1363 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1365 case GL_PROXY_TEXTURE_CUBE_MAP
:
1366 case GL_TEXTURE_CUBE_MAP
:
1367 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1368 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1369 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1370 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1371 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1372 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1373 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1375 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1376 case GL_TEXTURE_2D_ARRAY_EXT
:
1377 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1379 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1380 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1381 /* From the KHR_texture_compression_astc_hdr spec:
1383 * Add a second new column "3D Tex." which is empty for all non-ASTC
1384 * formats. If only the LDR profile is supported by the
1385 * implementation, this column is also empty for all ASTC formats. If
1386 * both the LDR and HDR profiles are supported only, this column is
1387 * checked for all ASTC formats.
1389 * Add a third new column "Cube Map Array Tex." which is empty for all
1390 * non-ASTC formats, and checked for all ASTC formats.
1394 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1395 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1396 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1397 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1398 * 8.19 is *not* checked'
1400 * The instances of <internalformat> above should say <target>.
1402 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1403 * have already been handled by normal ETC2/EAC behavior.
1406 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1408 * "The ETC2/EAC texture compression algorithm supports only
1409 * two-dimensional images. If internalformat is an ETC2/EAC format,
1410 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1411 * target is not TEXTURE_2D_ARRAY."
1413 * This should also be applicable for glTexStorage3D(). Other available
1414 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1416 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
))
1417 return write_error(error
, GL_INVALID_OPERATION
);
1418 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1422 case MESA_FORMAT_LAYOUT_ETC2
:
1423 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1424 if (_mesa_is_gles3(ctx
))
1425 return write_error(error
, GL_INVALID_OPERATION
);
1427 case MESA_FORMAT_LAYOUT_BPTC
:
1428 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1430 case MESA_FORMAT_LAYOUT_ASTC
:
1431 target_can_be_compresed
=
1432 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1433 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1435 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1436 * neither of the above extensions are supported. See comment in
1437 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1439 if (!target_can_be_compresed
)
1440 return write_error(error
, GL_INVALID_OPERATION
);
1448 return write_error(error
,
1449 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1454 * Check if the given texture target value is legal for a
1455 * glTexImage1/2/3D call.
1458 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1464 case GL_PROXY_TEXTURE_1D
:
1465 return _mesa_is_desktop_gl(ctx
);
1473 case GL_PROXY_TEXTURE_2D
:
1474 return _mesa_is_desktop_gl(ctx
);
1475 case GL_PROXY_TEXTURE_CUBE_MAP
:
1476 return _mesa_is_desktop_gl(ctx
)
1477 && ctx
->Extensions
.ARB_texture_cube_map
;
1478 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1479 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1480 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1481 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1482 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1483 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1484 return ctx
->Extensions
.ARB_texture_cube_map
;
1485 case GL_TEXTURE_RECTANGLE_NV
:
1486 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1487 return _mesa_is_desktop_gl(ctx
)
1488 && ctx
->Extensions
.NV_texture_rectangle
;
1489 case GL_TEXTURE_1D_ARRAY_EXT
:
1490 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1491 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1499 case GL_PROXY_TEXTURE_3D
:
1500 return _mesa_is_desktop_gl(ctx
);
1501 case GL_TEXTURE_2D_ARRAY_EXT
:
1502 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1503 || _mesa_is_gles3(ctx
);
1504 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1505 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1506 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1507 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1508 return _mesa_has_texture_cube_map_array(ctx
);
1513 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1520 * Check if the given texture target value is legal for a
1521 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1522 * The difference compared to legal_teximage_target() above is that
1523 * proxy targets are not supported.
1526 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1531 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1536 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1537 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1538 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1539 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1540 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1541 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1542 return ctx
->Extensions
.ARB_texture_cube_map
;
1543 case GL_TEXTURE_RECTANGLE_NV
:
1544 return _mesa_is_desktop_gl(ctx
)
1545 && ctx
->Extensions
.NV_texture_rectangle
;
1546 case GL_TEXTURE_1D_ARRAY_EXT
:
1547 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1555 case GL_TEXTURE_2D_ARRAY_EXT
:
1556 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1557 || _mesa_is_gles3(ctx
);
1558 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1559 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1560 return _mesa_has_texture_cube_map_array(ctx
);
1562 /* Table 8.15 of the OpenGL 4.5 core profile spec
1563 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1564 * and CopyTextureSubImage3D.
1566 case GL_TEXTURE_CUBE_MAP
:
1572 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1580 * Helper function to determine if a texture object is mutable (in terms
1581 * of GL_ARB_texture_storage).
1584 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1586 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1590 return !texObj
->Immutable
;
1595 * Return expected size of a compressed texture.
1598 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1601 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1602 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1606 * Verify that a texture format is valid with a particular target
1608 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1609 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1612 * \param ctx GL context
1613 * \param target Texture target
1614 * \param internalFormat Internal format of the texture image
1616 * \returns true if the combination is legal, false otherwise.
1619 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1620 GLenum target
, GLenum internalFormat
)
1622 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1623 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1624 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1625 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1626 * Profile spec says:
1628 * "Textures with a base internal format of DEPTH_COMPONENT or
1629 * DEPTH_STENCIL are supported by texture image specification
1630 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1631 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1632 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1633 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1634 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1635 * formats in conjunction with any other target will result in an
1636 * INVALID_OPERATION error."
1638 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1639 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1641 if (target
!= GL_TEXTURE_1D
&&
1642 target
!= GL_PROXY_TEXTURE_1D
&&
1643 target
!= GL_TEXTURE_2D
&&
1644 target
!= GL_PROXY_TEXTURE_2D
&&
1645 target
!= GL_TEXTURE_1D_ARRAY
&&
1646 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1647 target
!= GL_TEXTURE_2D_ARRAY
&&
1648 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1649 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1650 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1651 !((_mesa_is_cube_face(target
) ||
1652 target
== GL_TEXTURE_CUBE_MAP
||
1653 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1654 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1655 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1656 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1657 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1658 _mesa_has_texture_cube_map_array(ctx
))) {
1667 texture_formats_agree(GLenum internalFormat
,
1670 GLboolean colorFormat
;
1671 GLboolean is_format_depth_or_depthstencil
;
1672 GLboolean is_internalFormat_depth_or_depthstencil
;
1674 /* Even though there are no color-index textures, we still have to support
1675 * uploading color-index data and remapping it to RGB via the
1676 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1678 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1680 is_internalFormat_depth_or_depthstencil
=
1681 _mesa_is_depth_format(internalFormat
) ||
1682 _mesa_is_depthstencil_format(internalFormat
);
1684 is_format_depth_or_depthstencil
=
1685 _mesa_is_depth_format(format
) ||
1686 _mesa_is_depthstencil_format(format
);
1688 colorFormat
= _mesa_is_color_format(format
);
1690 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1693 if (is_internalFormat_depth_or_depthstencil
!=
1694 is_format_depth_or_depthstencil
)
1697 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1704 * Test the combination of format, type and internal format arguments of
1705 * different texture operations on GLES.
1707 * \param ctx GL context.
1708 * \param format pixel data format given by the user.
1709 * \param type pixel data type given by the user.
1710 * \param internalFormat internal format given by the user.
1711 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1712 * \param callerName name of the caller function to print in the error message
1714 * \return true if a error is found, false otherwise
1716 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1719 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1720 GLenum type
, GLenum internalFormat
,
1721 GLuint dimensions
, const char *callerName
)
1725 if (_mesa_is_gles3(ctx
)) {
1726 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
1728 if (err
!= GL_NO_ERROR
) {
1729 _mesa_error(ctx
, err
,
1730 "%s(format = %s, type = %s, internalformat = %s)",
1731 callerName
, _mesa_enum_to_string(format
),
1732 _mesa_enum_to_string(type
),
1733 _mesa_enum_to_string(internalFormat
));
1738 err
= _mesa_es_error_check_format_and_type(ctx
, format
, type
, dimensions
);
1739 if (err
!= GL_NO_ERROR
) {
1740 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
1741 callerName
, _mesa_enum_to_string(format
),
1742 _mesa_enum_to_string(type
));
1751 * Test the glTexImage[123]D() parameters for errors.
1753 * \param ctx GL context.
1754 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1755 * \param target texture target given by the user (already validated).
1756 * \param level image level given by the user.
1757 * \param internalFormat internal format given by the user.
1758 * \param format pixel data format given by the user.
1759 * \param type pixel data type given by the user.
1760 * \param width image width given by the user.
1761 * \param height image height given by the user.
1762 * \param depth image depth given by the user.
1763 * \param border image border given by the user.
1765 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1767 * Verifies each of the parameters against the constants specified in
1768 * __struct gl_contextRec::Const and the supported extensions, and according
1769 * to the OpenGL specification.
1770 * Note that we don't fully error-check the width, height, depth values
1771 * here. That's done in _mesa_legal_texture_dimensions() which is used
1772 * by several other GL entrypoints. Plus, texture dims have a special
1773 * interaction with proxy textures.
1776 texture_error_check( struct gl_context
*ctx
,
1777 GLuint dimensions
, GLenum target
,
1778 GLint level
, GLint internalFormat
,
1779 GLenum format
, GLenum type
,
1780 GLint width
, GLint height
,
1781 GLint depth
, GLint border
,
1782 const GLvoid
*pixels
)
1786 /* Note: for proxy textures, some error conditions immediately generate
1787 * a GL error in the usual way. But others do not generate a GL error.
1788 * Instead, they cause the width, height, depth, format fields of the
1789 * texture image to be zeroed-out. The GL spec seems to indicate that the
1790 * zero-out behaviour is only used in cases related to memory allocation.
1794 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1795 _mesa_error(ctx
, GL_INVALID_VALUE
,
1796 "glTexImage%dD(level=%d)", dimensions
, level
);
1801 if (border
< 0 || border
> 1 ||
1802 ((ctx
->API
!= API_OPENGL_COMPAT
||
1803 target
== GL_TEXTURE_RECTANGLE_NV
||
1804 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1805 _mesa_error(ctx
, GL_INVALID_VALUE
,
1806 "glTexImage%dD(border=%d)", dimensions
, border
);
1810 if (width
< 0 || height
< 0 || depth
< 0) {
1811 _mesa_error(ctx
, GL_INVALID_VALUE
,
1812 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1816 /* Check incoming image format and type */
1817 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1818 if (err
!= GL_NO_ERROR
) {
1819 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1820 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1822 * "Specifying a value for internalformat that is not one of the
1823 * above (acceptable) values generates the error INVALID VALUE."
1825 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1826 err
= GL_INVALID_VALUE
;
1828 _mesa_error(ctx
, err
,
1829 "glTexImage%dD(incompatible format = %s, type = %s)",
1830 dimensions
, _mesa_enum_to_string(format
),
1831 _mesa_enum_to_string(type
));
1835 /* Check internalFormat */
1836 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1837 _mesa_error(ctx
, GL_INVALID_VALUE
,
1838 "glTexImage%dD(internalFormat=%s)",
1839 dimensions
, _mesa_enum_to_string(internalFormat
));
1843 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1844 * combinations of format, internalFormat, and type that can be used.
1845 * Formats and types that require additional extensions (e.g., GL_FLOAT
1846 * requires GL_OES_texture_float) are filtered elsewhere.
1848 if (_mesa_is_gles(ctx
) &&
1849 texture_format_error_check_gles(ctx
, format
, type
, internalFormat
,
1850 dimensions
, "glTexImage%dD")) {
1854 /* validate the bound PBO, if any */
1855 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1856 width
, height
, depth
, format
, type
,
1857 INT_MAX
, pixels
, "glTexImage")) {
1861 /* make sure internal format and format basically agree */
1862 if (!texture_formats_agree(internalFormat
, format
)) {
1863 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1864 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1865 dimensions
, _mesa_enum_to_string(internalFormat
),
1866 _mesa_enum_to_string(format
));
1870 /* additional checks for ycbcr textures */
1871 if (internalFormat
== GL_YCBCR_MESA
) {
1872 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1873 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1874 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1876 _mesa_snprintf(message
, sizeof(message
),
1877 "glTexImage%dD(format/type YCBCR mismatch)",
1879 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1880 return GL_TRUE
; /* error */
1882 if (target
!= GL_TEXTURE_2D
&&
1883 target
!= GL_PROXY_TEXTURE_2D
&&
1884 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1885 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1886 _mesa_error(ctx
, GL_INVALID_ENUM
,
1887 "glTexImage%dD(bad target for YCbCr texture)",
1893 _mesa_snprintf(message
, sizeof(message
),
1894 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1895 dimensions
, border
);
1896 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1901 /* additional checks for depth textures */
1902 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1903 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1904 "glTexImage%dD(bad target for texture)", dimensions
);
1908 /* additional checks for compressed textures */
1909 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1911 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1912 _mesa_error(ctx
, err
,
1913 "glTexImage%dD(target can't be compressed)", dimensions
);
1916 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
1917 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1918 "glTexImage%dD(no compression for format)", dimensions
);
1922 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1923 "glTexImage%dD(border!=0)", dimensions
);
1928 /* additional checks for integer textures */
1929 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1930 (_mesa_is_enum_format_integer(format
) !=
1931 _mesa_is_enum_format_integer(internalFormat
))) {
1932 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1933 "glTexImage%dD(integer/non-integer format mismatch)",
1938 if (!mutable_tex_object(ctx
, target
)) {
1939 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1940 "glTexImage%dD(immutable texture)", dimensions
);
1944 /* if we get here, the parameters are OK */
1950 * Error checking for glCompressedTexImage[123]D().
1951 * Note that the width, height and depth values are not fully error checked
1953 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1956 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
1957 GLenum target
, GLint level
,
1958 GLenum internalFormat
, GLsizei width
,
1959 GLsizei height
, GLsizei depth
, GLint border
,
1960 GLsizei imageSize
, const GLvoid
*data
)
1962 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
1964 GLenum error
= GL_NO_ERROR
;
1965 char *reason
= ""; /* no error */
1967 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
1972 /* This will detect any invalid internalFormat value */
1973 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
1974 _mesa_error(ctx
, GL_INVALID_ENUM
,
1975 "glCompressedTexImage%dD(internalFormat=%s)",
1976 dimensions
, _mesa_enum_to_string(internalFormat
));
1980 /* validate the bound PBO, if any */
1981 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
1983 "glCompressedTexImage")) {
1987 switch (internalFormat
) {
1988 case GL_PALETTE4_RGB8_OES
:
1989 case GL_PALETTE4_RGBA8_OES
:
1990 case GL_PALETTE4_R5_G6_B5_OES
:
1991 case GL_PALETTE4_RGBA4_OES
:
1992 case GL_PALETTE4_RGB5_A1_OES
:
1993 case GL_PALETTE8_RGB8_OES
:
1994 case GL_PALETTE8_RGBA8_OES
:
1995 case GL_PALETTE8_R5_G6_B5_OES
:
1996 case GL_PALETTE8_RGBA4_OES
:
1997 case GL_PALETTE8_RGB5_A1_OES
:
1998 /* check level (note that level should be zero or less!) */
1999 if (level
> 0 || level
< -maxLevels
) {
2001 error
= GL_INVALID_VALUE
;
2005 if (dimensions
!= 2) {
2006 reason
= "compressed paletted textures must be 2D";
2007 error
= GL_INVALID_OPERATION
;
2011 /* Figure out the expected texture size (in bytes). This will be
2012 * checked against the actual size later.
2014 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2017 /* This is for the benefit of the TestProxyTexImage below. It expects
2018 * level to be non-negative. OES_compressed_paletted_texture uses a
2019 * weird mechanism where the level specified to glCompressedTexImage2D
2020 * is -(n-1) number of levels in the texture, and the data specifies the
2021 * complete mipmap stack. This is done to ensure the palette is the
2022 * same for all levels.
2029 if (level
< 0 || level
>= maxLevels
) {
2031 error
= GL_INVALID_VALUE
;
2035 /* Figure out the expected texture size (in bytes). This will be
2036 * checked against the actual size later.
2038 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2042 /* This should really never fail */
2043 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2044 reason
= "internalFormat";
2045 error
= GL_INVALID_ENUM
;
2049 /* No compressed formats support borders at this time */
2051 reason
= "border != 0";
2052 error
= GL_INVALID_VALUE
;
2056 /* Check for invalid pixel storage modes */
2057 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2059 "glCompressedTexImage")) {
2063 /* check image size in bytes */
2064 if (expectedSize
!= imageSize
) {
2065 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2066 * if <imageSize> is not consistent with the format, dimensions, and
2067 * contents of the specified image.
2069 reason
= "imageSize inconsistent with width/height/format";
2070 error
= GL_INVALID_VALUE
;
2074 if (!mutable_tex_object(ctx
, target
)) {
2075 reason
= "immutable texture";
2076 error
= GL_INVALID_OPERATION
;
2083 /* Note: not all error paths exit through here. */
2084 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2085 dimensions
, reason
);
2092 * Test glTexSubImage[123]D() parameters for errors.
2094 * \param ctx GL context.
2095 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2096 * \param target texture target given by the user (already validated)
2097 * \param level image level given by the user.
2098 * \param xoffset sub-image x offset given by the user.
2099 * \param yoffset sub-image y offset given by the user.
2100 * \param zoffset sub-image z offset given by the user.
2101 * \param format pixel data format given by the user.
2102 * \param type pixel data type given by the user.
2103 * \param width image width given by the user.
2104 * \param height image height given by the user.
2105 * \param depth image depth given by the user.
2107 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2109 * Verifies each of the parameters against the constants specified in
2110 * __struct gl_contextRec::Const and the supported extensions, and according
2111 * to the OpenGL specification.
2114 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2115 struct gl_texture_object
*texObj
,
2116 GLenum target
, GLint level
,
2117 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2118 GLint width
, GLint height
, GLint depth
,
2119 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2120 bool dsa
, const char *callerName
)
2122 struct gl_texture_image
*texImage
;
2126 /* must be out of memory */
2127 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2132 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2133 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2137 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2138 width
, height
, depth
,
2143 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2145 /* non-existant texture level */
2146 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture image)",
2151 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2152 if (err
!= GL_NO_ERROR
) {
2153 _mesa_error(ctx
, err
,
2154 "%s(incompatible format = %s, type = %s)",
2155 callerName
, _mesa_enum_to_string(format
),
2156 _mesa_enum_to_string(type
));
2160 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2161 * combinations of format, internalFormat, and type that can be used.
2162 * Formats and types that require additional extensions (e.g., GL_FLOAT
2163 * requires GL_OES_texture_float) are filtered elsewhere.
2165 if (_mesa_is_gles(ctx
) &&
2166 texture_format_error_check_gles(ctx
, format
, type
,
2167 texImage
->InternalFormat
,
2168 dimensions
, callerName
)) {
2172 /* validate the bound PBO, if any */
2173 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2174 width
, height
, depth
, format
, type
,
2175 INT_MAX
, pixels
, callerName
)) {
2179 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2180 texImage
, xoffset
, yoffset
, zoffset
,
2181 width
, height
, depth
, callerName
)) {
2185 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2186 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2187 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2188 "%s(no compression for format)", callerName
);
2193 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2194 /* both source and dest must be integer-valued, or neither */
2195 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2196 _mesa_is_enum_format_integer(format
)) {
2197 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2198 "%s(integer/non-integer format mismatch)", callerName
);
2208 * Test glCopyTexImage[12]D() parameters for errors.
2210 * \param ctx GL context.
2211 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2212 * \param target texture target given by the user.
2213 * \param level image level given by the user.
2214 * \param internalFormat internal format given by the user.
2215 * \param width image width given by the user.
2216 * \param height image height given by the user.
2217 * \param border texture border.
2219 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2221 * Verifies each of the parameters against the constants specified in
2222 * __struct gl_contextRec::Const and the supported extensions, and according
2223 * to the OpenGL specification.
2226 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2227 GLenum target
, GLint level
, GLint internalFormat
,
2228 GLint width
, GLint height
, GLint border
)
2231 GLint rb_base_format
;
2232 struct gl_renderbuffer
*rb
;
2233 GLenum rb_internal_format
;
2236 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2237 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2238 dimensions
, _mesa_enum_to_string(target
));
2243 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2244 _mesa_error(ctx
, GL_INVALID_VALUE
,
2245 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2249 /* Check that the source buffer is complete */
2250 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2251 if (ctx
->ReadBuffer
->_Status
== 0) {
2252 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2254 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2255 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2256 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2260 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2261 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2262 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2268 if (border
< 0 || border
> 1 ||
2269 ((ctx
->API
!= API_OPENGL_COMPAT
||
2270 target
== GL_TEXTURE_RECTANGLE_NV
||
2271 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2272 _mesa_error(ctx
, GL_INVALID_VALUE
,
2273 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2277 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2280 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2281 switch (internalFormat
) {
2286 case GL_LUMINANCE_ALPHA
:
2289 _mesa_error(ctx
, GL_INVALID_ENUM
,
2290 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2291 _mesa_enum_to_string(internalFormat
));
2296 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2297 * OpenGL 4.5 (Compatibility Profile) spec says:
2299 * "Parameters level, internalformat, and border are specified using
2300 * the same values, with the same meanings, as the corresponding
2301 * arguments of TexImage2D, except that internalformat may not be
2302 * specified as 1, 2, 3, or 4."
2304 if (internalFormat
>= 1 && internalFormat
<= 4) {
2305 _mesa_error(ctx
, GL_INVALID_ENUM
,
2306 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2312 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2313 if (baseFormat
< 0) {
2314 _mesa_error(ctx
, GL_INVALID_ENUM
,
2315 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2316 _mesa_enum_to_string(internalFormat
));
2320 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2322 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2323 "glCopyTexImage%dD(read buffer)", dimensions
);
2327 rb_internal_format
= rb
->InternalFormat
;
2328 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2329 if (_mesa_is_color_format(internalFormat
)) {
2330 if (rb_base_format
< 0) {
2331 _mesa_error(ctx
, GL_INVALID_VALUE
,
2332 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2333 _mesa_enum_to_string(internalFormat
));
2338 if (_mesa_is_gles(ctx
)) {
2340 if (_mesa_base_format_component_count(baseFormat
) >
2341 _mesa_base_format_component_count(rb_base_format
)) {
2344 if (baseFormat
== GL_DEPTH_COMPONENT
||
2345 baseFormat
== GL_DEPTH_STENCIL
||
2346 baseFormat
== GL_STENCIL_INDEX
||
2347 rb_base_format
== GL_DEPTH_COMPONENT
||
2348 rb_base_format
== GL_DEPTH_STENCIL
||
2349 rb_base_format
== GL_STENCIL_INDEX
||
2350 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2351 baseFormat
== GL_ALPHA
) &&
2352 rb_base_format
!= GL_RGBA
) ||
2353 internalFormat
== GL_RGB9_E5
) {
2356 if (internalFormat
== GL_RGB9_E5
) {
2360 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2361 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2362 _mesa_enum_to_string(internalFormat
));
2367 if (_mesa_is_gles3(ctx
)) {
2368 bool rb_is_srgb
= false;
2369 bool dst_is_srgb
= false;
2371 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2372 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2376 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2380 if (rb_is_srgb
!= dst_is_srgb
) {
2381 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2382 * OpenGLES 3.0.0 spec says:
2384 * "The error INVALID_OPERATION is also generated if the
2385 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2386 * framebuffer attachment corresponding to the read buffer
2387 * is LINEAR (see section 6.1.13) and internalformat is
2388 * one of the sRGB formats described in section 3.8.16, or
2389 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2390 * SRGB and internalformat is not one of the sRGB formats."
2392 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2393 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2397 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2398 * types for SNORM formats. Also, conversion to SNORM formats is not
2399 * allowed by Table 3.2 on Page 110.
2401 if (_mesa_is_enum_format_snorm(internalFormat
)) {
2402 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2403 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2404 _mesa_enum_to_string(internalFormat
));
2409 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2410 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2411 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2415 /* From the EXT_texture_integer spec:
2417 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2418 * if the texture internalformat is an integer format and the read color
2419 * buffer is not an integer format, or if the internalformat is not an
2420 * integer format and the read color buffer is an integer format."
2422 if (_mesa_is_color_format(internalFormat
)) {
2423 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2424 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2425 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2426 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2427 if (is_int
|| is_rbint
) {
2428 if (is_int
!= is_rbint
) {
2429 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2430 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2432 } else if (_mesa_is_gles(ctx
) &&
2433 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2434 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2435 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2436 "glCopyTexImage%dD(signed vs unsigned integer)", dimensions
);
2441 /* From page 138 of OpenGL ES 3.0 spec:
2442 * "The error INVALID_OPERATION is generated if floating-point RGBA
2443 * data is required; if signed integer RGBA data is required and the
2444 * format of the current color buffer is not signed integer; if
2445 * unsigned integer RGBA data is required and the format of the
2446 * current color buffer is not unsigned integer; or if fixed-point
2447 * RGBA data is required and the format of the current color buffer
2448 * is not fixed-point.
2450 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2451 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2452 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2455 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2457 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2458 _mesa_error(ctx
, err
,
2459 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2462 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
2463 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2464 "glCopyTexImage%dD(no compression for format)", dimensions
);
2468 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2469 "glCopyTexImage%dD(border!=0)", dimensions
);
2474 if (!mutable_tex_object(ctx
, target
)) {
2475 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2476 "glCopyTexImage%dD(immutable texture)", dimensions
);
2480 /* if we get here, the parameters are OK */
2486 * Test glCopyTexSubImage[12]D() parameters for errors.
2487 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2490 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2491 const struct gl_texture_object
*texObj
,
2492 GLenum target
, GLint level
,
2493 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2494 GLint width
, GLint height
, const char *caller
)
2496 struct gl_texture_image
*texImage
;
2498 /* Check that the source buffer is complete */
2499 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2500 if (ctx
->ReadBuffer
->_Status
== 0) {
2501 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2503 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2504 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2505 "%s(invalid readbuffer)", caller
);
2509 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2510 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2511 "%s(multisample FBO)", caller
);
2517 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2518 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2522 /* Get dest image pointers */
2524 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", caller
);
2528 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2530 /* destination image does not exist */
2531 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2532 "%s(invalid texture image)", caller
);
2536 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2537 width
, height
, 1, caller
)) {
2541 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2542 xoffset
, yoffset
, zoffset
,
2543 width
, height
, 1, caller
)) {
2547 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2548 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2549 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2550 "%s(no compression for format)", caller
);
2555 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2556 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2560 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2561 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2562 "%s(missing readbuffer, format=%s)", caller
,
2563 _mesa_enum_to_string(texImage
->_BaseFormat
));
2567 /* From the EXT_texture_integer spec:
2569 * "INVALID_OPERATION is generated by CopyTexImage* and
2570 * CopyTexSubImage* if the texture internalformat is an integer format
2571 * and the read color buffer is not an integer format, or if the
2572 * internalformat is not an integer format and the read color buffer
2573 * is an integer format."
2575 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2576 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2578 if (_mesa_is_format_integer_color(rb
->Format
) !=
2579 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2580 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2581 "%s(integer vs non-integer)", caller
);
2586 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2587 * framebuffer/destination texture base internal format combinations),
2588 * all the entries for stencil are left blank (unsupported).
2590 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2591 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2595 /* if we get here, the parameters are OK */
2600 /** Callback info for walking over FBO hash table */
2603 struct gl_context
*ctx
;
2604 struct gl_texture_object
*texObj
;
2610 * Check render to texture callback. Called from _mesa_HashWalk().
2613 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2615 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2616 const struct cb_info
*info
= (struct cb_info
*) userData
;
2617 struct gl_context
*ctx
= info
->ctx
;
2618 const struct gl_texture_object
*texObj
= info
->texObj
;
2619 const GLuint level
= info
->level
, face
= info
->face
;
2621 /* If this is a user-created FBO */
2622 if (_mesa_is_user_fbo(fb
)) {
2624 /* check if any of the FBO's attachments point to 'texObj' */
2625 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2626 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2627 if (att
->Type
== GL_TEXTURE
&&
2628 att
->Texture
== texObj
&&
2629 att
->TextureLevel
== level
&&
2630 att
->CubeMapFace
== face
) {
2631 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2632 assert(att
->Renderbuffer
->TexImage
);
2633 /* Mark fb status as indeterminate to force re-validation */
2636 /* Make sure that the revalidation actually happens if this is
2637 * being done to currently-bound buffers.
2639 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2640 ctx
->NewState
|= _NEW_BUFFERS
;
2648 * When a texture image is specified we have to check if it's bound to
2649 * any framebuffer objects (render to texture) in order to detect changes
2650 * in size or format since that effects FBO completeness.
2651 * Any FBOs rendering into the texture must be re-validated.
2654 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2655 struct gl_texture_object
*texObj
,
2656 GLuint face
, GLuint level
)
2658 /* Only check this texture if it's been marked as RenderToTexture */
2659 if (texObj
->_RenderToTexture
) {
2660 struct cb_info info
;
2662 info
.texObj
= texObj
;
2665 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2671 * If the texture object's GenerateMipmap flag is set and we've
2672 * changed the texture base level image, regenerate the rest of the
2673 * mipmap levels now.
2676 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2677 struct gl_texture_object
*texObj
, GLint level
)
2679 if (texObj
->GenerateMipmap
&&
2680 level
== texObj
->BaseLevel
&&
2681 level
< texObj
->MaxLevel
) {
2682 assert(ctx
->Driver
.GenerateMipmap
);
2683 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2688 /** Debug helper: override the user-requested internal format */
2690 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2693 if (internalFormat
== GL_RGBA16F_ARB
||
2694 internalFormat
== GL_RGBA32F_ARB
) {
2695 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2698 else if (internalFormat
== GL_RGB16F_ARB
||
2699 internalFormat
== GL_RGB32F_ARB
) {
2700 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2703 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2704 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2705 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2706 return GL_LUMINANCE_ALPHA
;
2708 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2709 internalFormat
== GL_LUMINANCE32F_ARB
) {
2710 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2711 return GL_LUMINANCE
;
2713 else if (internalFormat
== GL_ALPHA16F_ARB
||
2714 internalFormat
== GL_ALPHA32F_ARB
) {
2715 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2719 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2720 internalFormat = GL_RGBA;
2724 return internalFormat
;
2727 return internalFormat
;
2733 * Choose the actual hardware format for a texture image.
2734 * Try to use the same format as the previous image level when possible.
2735 * Otherwise, ask the driver for the best format.
2736 * It's important to try to choose a consistant format for all levels
2737 * for efficient texture memory layout/allocation. In particular, this
2738 * comes up during automatic mipmap generation.
2741 _mesa_choose_texture_format(struct gl_context
*ctx
,
2742 struct gl_texture_object
*texObj
,
2743 GLenum target
, GLint level
,
2744 GLenum internalFormat
, GLenum format
, GLenum type
)
2748 /* see if we've already chosen a format for the previous level */
2750 struct gl_texture_image
*prevImage
=
2751 _mesa_select_tex_image(texObj
, target
, level
- 1);
2752 /* See if the prev level is defined and has an internal format which
2753 * matches the new internal format.
2756 prevImage
->Width
> 0 &&
2757 prevImage
->InternalFormat
== internalFormat
) {
2758 /* use the same format */
2759 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2760 return prevImage
->TexFormat
;
2764 /* If the application requested compression to an S3TC format but we don't
2765 * have the DXTn library, force a generic compressed format instead.
2767 if (internalFormat
!= format
&& format
!= GL_NONE
) {
2768 const GLenum before
= internalFormat
;
2770 switch (internalFormat
) {
2771 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
2772 if (!ctx
->Mesa_DXTn
)
2773 internalFormat
= GL_COMPRESSED_RGB
;
2775 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
2776 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
2777 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
2778 if (!ctx
->Mesa_DXTn
)
2779 internalFormat
= GL_COMPRESSED_RGBA
;
2785 if (before
!= internalFormat
) {
2787 "DXT compression requested (%s), "
2788 "but libtxc_dxtn library not installed. Using %s "
2790 _mesa_enum_to_string(before
),
2791 _mesa_enum_to_string(internalFormat
));
2795 /* choose format from scratch */
2796 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2798 assert(f
!= MESA_FORMAT_NONE
);
2804 * Adjust pixel unpack params and image dimensions to strip off the
2805 * one-pixel texture border.
2807 * Gallium and intel don't support texture borders. They've seldem been used
2808 * and seldom been implemented correctly anyway.
2810 * \param unpackNew returns the new pixel unpack parameters
2813 strip_texture_border(GLenum target
,
2814 GLint
*width
, GLint
*height
, GLint
*depth
,
2815 const struct gl_pixelstore_attrib
*unpack
,
2816 struct gl_pixelstore_attrib
*unpackNew
)
2822 *unpackNew
= *unpack
;
2824 if (unpackNew
->RowLength
== 0)
2825 unpackNew
->RowLength
= *width
;
2827 if (unpackNew
->ImageHeight
== 0)
2828 unpackNew
->ImageHeight
= *height
;
2830 assert(*width
>= 3);
2831 unpackNew
->SkipPixels
++; /* skip the border */
2832 *width
= *width
- 2; /* reduce the width by two border pixels */
2834 /* The min height of a texture with a border is 3 */
2835 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2836 unpackNew
->SkipRows
++; /* skip the border */
2837 *height
= *height
- 2; /* reduce the height by two border pixels */
2841 target
!= GL_TEXTURE_2D_ARRAY
&&
2842 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2843 unpackNew
->SkipImages
++; /* skip the border */
2844 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2850 * Common code to implement all the glTexImage1D/2D/3D functions
2851 * as well as glCompressedTexImage1D/2D/3D.
2852 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2853 * \param format the user's image format (only used if !compressed)
2854 * \param type the user's image type (only used if !compressed)
2855 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2858 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2859 GLenum target
, GLint level
, GLint internalFormat
,
2860 GLsizei width
, GLsizei height
, GLsizei depth
,
2861 GLint border
, GLenum format
, GLenum type
,
2862 GLsizei imageSize
, const GLvoid
*pixels
)
2864 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2865 struct gl_pixelstore_attrib unpack_no_border
;
2866 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2867 struct gl_texture_object
*texObj
;
2868 mesa_format texFormat
;
2869 GLboolean dimensionsOK
, sizeOK
;
2871 FLUSH_VERTICES(ctx
, 0);
2873 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2876 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2878 _mesa_enum_to_string(target
), level
,
2879 _mesa_enum_to_string(internalFormat
),
2880 width
, height
, depth
, border
, pixels
);
2883 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2885 _mesa_enum_to_string(target
), level
,
2886 _mesa_enum_to_string(internalFormat
),
2887 width
, height
, depth
, border
,
2888 _mesa_enum_to_string(format
),
2889 _mesa_enum_to_string(type
), pixels
);
2892 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2894 /* target error checking */
2895 if (!legal_teximage_target(ctx
, dims
, target
)) {
2896 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2897 func
, dims
, _mesa_enum_to_string(target
));
2901 /* general error checking */
2903 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
2905 width
, height
, depth
,
2906 border
, imageSize
, pixels
))
2910 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2911 format
, type
, width
, height
, depth
, border
,
2916 /* Here we convert a cpal compressed image into a regular glTexImage2D
2917 * call by decompressing the texture. If we really want to support cpal
2918 * textures in any driver this would have to be changed.
2920 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
2921 switch (internalFormat
) {
2922 case GL_PALETTE4_RGB8_OES
:
2923 case GL_PALETTE4_RGBA8_OES
:
2924 case GL_PALETTE4_R5_G6_B5_OES
:
2925 case GL_PALETTE4_RGBA4_OES
:
2926 case GL_PALETTE4_RGB5_A1_OES
:
2927 case GL_PALETTE8_RGB8_OES
:
2928 case GL_PALETTE8_RGBA8_OES
:
2929 case GL_PALETTE8_R5_G6_B5_OES
:
2930 case GL_PALETTE8_RGBA4_OES
:
2931 case GL_PALETTE8_RGB5_A1_OES
:
2932 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
2933 width
, height
, imageSize
, pixels
);
2938 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2942 /* For glCompressedTexImage() the driver has no choice about the
2943 * texture format since we'll never transcode the user's compressed
2944 * image data. The internalFormat was error checked earlier.
2946 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
2949 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
2950 * internal floating point format for the given base format.
2952 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
2953 if (type
== GL_FLOAT
) {
2954 texObj
->_IsFloat
= GL_TRUE
;
2955 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
2956 texObj
->_IsHalfFloat
= GL_TRUE
;
2959 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
2962 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2963 internalFormat
, format
, type
);
2966 assert(texFormat
!= MESA_FORMAT_NONE
);
2968 /* check that width, height, depth are legal for the mipmap level */
2969 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
2970 height
, depth
, border
);
2972 /* check that the texture won't take too much memory, etc */
2973 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
2974 0, level
, texFormat
, 1,
2975 width
, height
, depth
);
2977 if (_mesa_is_proxy_texture(target
)) {
2978 /* Proxy texture: just clear or set state depending on error checking */
2979 struct gl_texture_image
*texImage
=
2980 get_proxy_tex_image(ctx
, target
, level
);
2983 return; /* GL_OUT_OF_MEMORY already recorded */
2985 if (dimensionsOK
&& sizeOK
) {
2986 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
2987 border
, internalFormat
, texFormat
);
2990 clear_teximage_fields(texImage
);
2994 /* non-proxy target */
2995 const GLuint face
= _mesa_tex_target_to_face(target
);
2996 struct gl_texture_image
*texImage
;
2998 if (!dimensionsOK
) {
2999 _mesa_error(ctx
, GL_INVALID_VALUE
,
3000 "%s%uD(invalid width or height or depth)",
3006 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3007 "%s%uD(image too large: %d x %d x %d, %s format)",
3008 func
, dims
, width
, height
, depth
,
3009 _mesa_enum_to_string(internalFormat
));
3013 /* Allow a hardware driver to just strip out the border, to provide
3014 * reliable but slightly incorrect hardware rendering instead of
3015 * rarely-tested software fallback rendering.
3017 if (border
&& ctx
->Const
.StripTextureBorder
) {
3018 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3021 unpack
= &unpack_no_border
;
3024 if (ctx
->NewState
& _NEW_PIXEL
)
3025 _mesa_update_state(ctx
);
3027 _mesa_lock_texture(ctx
, texObj
);
3029 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3032 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3035 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3037 _mesa_init_teximage_fields(ctx
, texImage
,
3038 width
, height
, depth
,
3039 border
, internalFormat
, texFormat
);
3041 /* Give the texture to the driver. <pixels> may be null. */
3042 if (width
> 0 && height
> 0 && depth
> 0) {
3044 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3048 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3049 type
, pixels
, unpack
);
3053 check_gen_mipmap(ctx
, target
, texObj
, level
);
3055 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3057 _mesa_dirty_texobj(ctx
, texObj
);
3060 _mesa_unlock_texture(ctx
, texObj
);
3067 * Called from the API. Note that width includes the border.
3070 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3071 GLsizei width
, GLint border
, GLenum format
,
3072 GLenum type
, const GLvoid
*pixels
)
3074 GET_CURRENT_CONTEXT(ctx
);
3075 teximage(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3076 border
, format
, type
, 0, pixels
);
3081 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3082 GLsizei width
, GLsizei height
, GLint border
,
3083 GLenum format
, GLenum type
,
3084 const GLvoid
*pixels
)
3086 GET_CURRENT_CONTEXT(ctx
);
3087 teximage(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3088 border
, format
, type
, 0, pixels
);
3093 * Called by the API or display list executor.
3094 * Note that width and height include the border.
3097 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3098 GLsizei width
, GLsizei height
, GLsizei depth
,
3099 GLint border
, GLenum format
, GLenum type
,
3100 const GLvoid
*pixels
)
3102 GET_CURRENT_CONTEXT(ctx
);
3103 teximage(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3104 width
, height
, depth
,
3105 border
, format
, type
, 0, pixels
);
3110 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3111 GLsizei width
, GLsizei height
, GLsizei depth
,
3112 GLint border
, GLenum format
, GLenum type
,
3113 const GLvoid
*pixels
)
3115 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3116 depth
, border
, format
, type
, pixels
);
3121 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3123 struct gl_texture_object
*texObj
;
3124 struct gl_texture_image
*texImage
;
3126 GET_CURRENT_CONTEXT(ctx
);
3127 FLUSH_VERTICES(ctx
, 0);
3131 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3133 case GL_TEXTURE_EXTERNAL_OES
:
3135 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3138 valid_target
= false;
3142 if (!valid_target
) {
3143 _mesa_error(ctx
, GL_INVALID_ENUM
,
3144 "glEGLImageTargetTexture2D(target=%d)", target
);
3149 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3150 "glEGLImageTargetTexture2D(image=%p)", image
);
3154 if (ctx
->NewState
& _NEW_PIXEL
)
3155 _mesa_update_state(ctx
);
3157 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3161 _mesa_lock_texture(ctx
, texObj
);
3163 if (texObj
->Immutable
) {
3164 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3165 "glEGLImageTargetTexture2D(texture is immutable)");
3166 _mesa_unlock_texture(ctx
, texObj
);
3170 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3172 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3174 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3176 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3177 texObj
, texImage
, image
);
3179 _mesa_dirty_texobj(ctx
, texObj
);
3181 _mesa_unlock_texture(ctx
, texObj
);
3186 * Helper that implements the glTexSubImage1/2/3D()
3187 * and glTextureSubImage1/2/3D() functions.
3190 _mesa_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3191 struct gl_texture_object
*texObj
,
3192 struct gl_texture_image
*texImage
,
3193 GLenum target
, GLint level
,
3194 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3195 GLsizei width
, GLsizei height
, GLsizei depth
,
3196 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3199 FLUSH_VERTICES(ctx
, 0);
3201 if (ctx
->NewState
& _NEW_PIXEL
)
3202 _mesa_update_state(ctx
);
3204 _mesa_lock_texture(ctx
, texObj
);
3206 if (width
> 0 && height
> 0 && depth
> 0) {
3207 /* If we have a border, offset=-1 is legal. Bias by border width. */
3210 if (target
!= GL_TEXTURE_2D_ARRAY
)
3211 zoffset
+= texImage
->Border
;
3214 if (target
!= GL_TEXTURE_1D_ARRAY
)
3215 yoffset
+= texImage
->Border
;
3218 xoffset
+= texImage
->Border
;
3221 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3222 xoffset
, yoffset
, zoffset
,
3223 width
, height
, depth
,
3224 format
, type
, pixels
, &ctx
->Unpack
);
3226 check_gen_mipmap(ctx
, target
, texObj
, level
);
3228 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3229 * the texel data, not the texture format, size, etc.
3233 _mesa_unlock_texture(ctx
, texObj
);
3237 * Implement all the glTexSubImage1/2/3D() functions.
3238 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3241 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3242 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3243 GLsizei width
, GLsizei height
, GLsizei depth
,
3244 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3245 const char *callerName
)
3247 struct gl_texture_object
*texObj
;
3248 struct gl_texture_image
*texImage
;
3250 /* check target (proxies not allowed) */
3251 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3252 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3253 dims
, _mesa_enum_to_string(target
));
3257 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3261 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3262 xoffset
, yoffset
, zoffset
,
3263 width
, height
, depth
, format
, type
,
3264 pixels
, false, callerName
)) {
3265 return; /* error was detected */
3268 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3269 /* texsubimage_error_check ensures that texImage is not NULL */
3271 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3272 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3274 _mesa_enum_to_string(target
), level
,
3275 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3276 _mesa_enum_to_string(format
),
3277 _mesa_enum_to_string(type
), pixels
);
3279 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3280 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3281 format
, type
, pixels
, false);
3286 * Implement all the glTextureSubImage1/2/3D() functions.
3287 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3290 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3291 GLuint texture
, GLint level
,
3292 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3293 GLsizei width
, GLsizei height
, GLsizei depth
,
3294 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3295 const char *callerName
)
3297 struct gl_texture_object
*texObj
;
3298 struct gl_texture_image
*texImage
;
3301 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3303 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3304 dims
, texture
, level
,
3305 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3306 _mesa_enum_to_string(format
),
3307 _mesa_enum_to_string(type
), pixels
);
3309 /* Get the texture object by Name. */
3310 texObj
= _mesa_lookup_texture(ctx
, texture
);
3312 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureSubImage%uD(texture)",
3317 /* check target (proxies not allowed) */
3318 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3319 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3320 callerName
, _mesa_enum_to_string(texObj
->Target
));
3324 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3325 xoffset
, yoffset
, zoffset
,
3326 width
, height
, depth
, format
, type
,
3327 pixels
, true, callerName
)) {
3328 return; /* error was detected */
3332 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3333 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3337 * What do we do if the user created a texture with the following code
3338 * and then called this function with its handle?
3341 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3342 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3343 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3344 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3345 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3346 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3347 * // wrong format, or given the wrong size, etc.
3348 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3349 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3351 * A bug has been filed against the spec for this case. In the
3352 * meantime, we will check for cube completeness.
3354 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3355 * Core Profile spec (30.10.2014):
3356 * "[A] cube map texture is cube complete if the
3357 * following conditions all hold true: The [base level] texture
3358 * images of each of the six cube map faces have identical, positive,
3359 * and square dimensions. The [base level] images were each specified
3360 * with the same internal format."
3362 * It seems reasonable to check for cube completeness of an arbitrary
3363 * level here so that the image data has a consistent format and size.
3365 if (!_mesa_cube_level_complete(texObj
, level
)) {
3366 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3367 "glTextureSubImage%uD(cube map incomplete)",
3372 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3374 /* Copy in each face. */
3375 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3376 texImage
= texObj
->Image
[i
][level
];
3379 _mesa_texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3380 level
, xoffset
, yoffset
, 0,
3381 width
, height
, 1, format
,
3382 type
, pixels
, true);
3383 pixels
= (GLubyte
*) pixels
+ imageStride
;
3387 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3390 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3391 level
, xoffset
, yoffset
, zoffset
,
3392 width
, height
, depth
, format
,
3393 type
, pixels
, true);
3399 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3400 GLint xoffset
, GLsizei width
,
3401 GLenum format
, GLenum type
,
3402 const GLvoid
*pixels
)
3404 GET_CURRENT_CONTEXT(ctx
);
3405 texsubimage(ctx
, 1, target
, level
,
3408 format
, type
, pixels
, "glTexSubImage1D");
3413 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3414 GLint xoffset
, GLint yoffset
,
3415 GLsizei width
, GLsizei height
,
3416 GLenum format
, GLenum type
,
3417 const GLvoid
*pixels
)
3419 GET_CURRENT_CONTEXT(ctx
);
3420 texsubimage(ctx
, 2, target
, level
,
3421 xoffset
, yoffset
, 0,
3423 format
, type
, pixels
, "glTexSubImage2D");
3429 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3430 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3431 GLsizei width
, GLsizei height
, GLsizei depth
,
3432 GLenum format
, GLenum type
,
3433 const GLvoid
*pixels
)
3435 GET_CURRENT_CONTEXT(ctx
);
3436 texsubimage(ctx
, 3, target
, level
,
3437 xoffset
, yoffset
, zoffset
,
3438 width
, height
, depth
,
3439 format
, type
, pixels
, "glTexSubImage3D");
3443 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3444 GLint xoffset
, GLsizei width
,
3445 GLenum format
, GLenum type
,
3446 const GLvoid
*pixels
)
3448 GET_CURRENT_CONTEXT(ctx
);
3449 texturesubimage(ctx
, 1, texture
, level
,
3452 format
, type
, pixels
, "glTextureSubImage1D");
3457 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3458 GLint xoffset
, GLint yoffset
,
3459 GLsizei width
, GLsizei height
,
3460 GLenum format
, GLenum type
,
3461 const GLvoid
*pixels
)
3463 GET_CURRENT_CONTEXT(ctx
);
3464 texturesubimage(ctx
, 2, texture
, level
,
3465 xoffset
, yoffset
, 0,
3467 format
, type
, pixels
, "glTextureSubImage2D");
3472 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3473 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3474 GLsizei width
, GLsizei height
, GLsizei depth
,
3475 GLenum format
, GLenum type
,
3476 const GLvoid
*pixels
)
3478 GET_CURRENT_CONTEXT(ctx
);
3479 texturesubimage(ctx
, 3, texture
, level
,
3480 xoffset
, yoffset
, zoffset
,
3481 width
, height
, depth
,
3482 format
, type
, pixels
, "glTextureSubImage3D");
3487 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3488 * from. This depends on whether the texture contains color or depth values.
3490 static struct gl_renderbuffer
*
3491 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3493 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3494 /* reading from depth/stencil buffer */
3495 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3496 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3497 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3499 /* copying from color buffer */
3500 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3505 copytexsubimage_by_slice(struct gl_context
*ctx
,
3506 struct gl_texture_image
*texImage
,
3508 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3509 struct gl_renderbuffer
*rb
,
3511 GLsizei width
, GLsizei height
)
3513 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3516 /* For 1D arrays, we copy each scanline of the source rectangle into the
3519 assert(zoffset
== 0);
3521 for (slice
= 0; slice
< height
; slice
++) {
3522 assert(yoffset
+ slice
< texImage
->Height
);
3523 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3524 xoffset
, 0, yoffset
+ slice
,
3525 rb
, x
, y
+ slice
, width
, 1);
3528 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3529 xoffset
, yoffset
, zoffset
,
3530 rb
, x
, y
, width
, height
);
3535 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3537 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3538 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3539 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3540 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3542 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3543 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3544 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3545 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3547 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3548 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3549 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3550 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3558 * Check if the given texture format and size arguments match those
3559 * of the texture image.
3560 * \param return true if arguments match, false otherwise.
3563 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
3564 GLenum internalFormat
,
3565 mesa_format texFormat
, GLint x
, GLint y
, GLsizei width
,
3566 GLsizei height
, GLint border
)
3568 if (texImage
->InternalFormat
!= internalFormat
)
3570 if (texImage
->TexFormat
!= texFormat
)
3572 if (texImage
->Border
!= border
)
3574 if (texImage
->Width2
!= width
)
3576 if (texImage
->Height2
!= height
)
3582 * Implement the glCopyTexImage1/2D() functions.
3585 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3586 GLenum target
, GLint level
, GLenum internalFormat
,
3587 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
)
3589 struct gl_texture_object
*texObj
;
3590 struct gl_texture_image
*texImage
;
3591 const GLuint face
= _mesa_tex_target_to_face(target
);
3592 mesa_format texFormat
;
3593 struct gl_renderbuffer
*rb
;
3595 FLUSH_VERTICES(ctx
, 0);
3597 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3598 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3600 _mesa_enum_to_string(target
), level
,
3601 _mesa_enum_to_string(internalFormat
),
3602 x
, y
, width
, height
, border
);
3604 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3605 _mesa_update_state(ctx
);
3607 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3608 width
, height
, border
))
3611 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3613 _mesa_error(ctx
, GL_INVALID_VALUE
,
3614 "glCopyTexImage%uD(invalid width or height)", dims
);
3618 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3621 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3622 internalFormat
, GL_NONE
, GL_NONE
);
3624 /* First check if reallocating the texture buffer can be avoided.
3625 * Without the realloc the copy can be 20x faster.
3627 _mesa_lock_texture(ctx
, texObj
);
3629 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3630 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
3631 x
, y
, width
, height
, border
)) {
3632 _mesa_unlock_texture(ctx
, texObj
);
3633 _mesa_copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
,
3634 0, 0, 0, x
, y
, width
, height
,
3639 _mesa_unlock_texture(ctx
, texObj
);
3640 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
3641 "can't avoid reallocating texture storage\n");
3643 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3645 if (_mesa_is_gles3(ctx
)) {
3646 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3647 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3648 * OpenGL ES 3.0. Khronos bug# 9807.
3650 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3651 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3652 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3653 " and writing to unsized internal format)", dims
);
3657 /* From Page 139 of OpenGL ES 3.0 spec:
3658 * "If internalformat is sized, the internal format of the new texel
3659 * array is internalformat, and this is also the new texel array’s
3660 * effective internal format. If the component sizes of internalformat
3661 * do not exactly match the corresponding component sizes of the source
3662 * buffer’s effective internal format, described below, an
3663 * INVALID_OPERATION error is generated. If internalformat is unsized,
3664 * the internal format of the new texel array is the effective internal
3665 * format of the source buffer, and this is also the new texel array’s
3666 * effective internal format.
3668 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3669 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3670 "glCopyTexImage%uD(componenet size changed in"
3671 " internal format)", dims
);
3676 assert(texFormat
!= MESA_FORMAT_NONE
);
3678 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3679 0, level
, texFormat
, 1,
3680 width
, height
, 1)) {
3681 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3682 "glCopyTexImage%uD(image too large)", dims
);
3686 if (border
&& ctx
->Const
.StripTextureBorder
) {
3688 width
-= border
* 2;
3691 height
-= border
* 2;
3696 _mesa_lock_texture(ctx
, texObj
);
3698 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3701 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
3704 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
3706 /* Free old texture image */
3707 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3709 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
3710 border
, internalFormat
, texFormat
);
3712 if (width
&& height
) {
3713 /* Allocate texture memory (no pixel data yet) */
3714 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
3716 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
3718 struct gl_renderbuffer
*srcRb
=
3719 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3721 copytexsubimage_by_slice(ctx
, texImage
, dims
,
3723 srcRb
, srcX
, srcY
, width
, height
);
3726 check_gen_mipmap(ctx
, target
, texObj
, level
);
3729 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3731 _mesa_dirty_texobj(ctx
, texObj
);
3734 _mesa_unlock_texture(ctx
, texObj
);
3740 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
3741 GLenum internalFormat
,
3743 GLsizei width
, GLint border
)
3745 GET_CURRENT_CONTEXT(ctx
);
3746 copyteximage(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1, border
);
3752 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
3753 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
3756 GET_CURRENT_CONTEXT(ctx
);
3757 copyteximage(ctx
, 2, target
, level
, internalFormat
,
3758 x
, y
, width
, height
, border
);
3762 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
3765 _mesa_copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3766 struct gl_texture_object
*texObj
,
3767 GLenum target
, GLint level
,
3768 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3770 GLsizei width
, GLsizei height
,
3773 struct gl_texture_image
*texImage
;
3775 FLUSH_VERTICES(ctx
, 0);
3777 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3778 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
3779 _mesa_enum_to_string(target
),
3780 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3782 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3783 _mesa_update_state(ctx
);
3785 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3786 xoffset
, yoffset
, zoffset
,
3787 width
, height
, caller
)) {
3791 _mesa_lock_texture(ctx
, texObj
);
3793 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3795 /* If we have a border, offset=-1 is legal. Bias by border width. */
3798 if (target
!= GL_TEXTURE_2D_ARRAY
)
3799 zoffset
+= texImage
->Border
;
3802 if (target
!= GL_TEXTURE_1D_ARRAY
)
3803 yoffset
+= texImage
->Border
;
3806 xoffset
+= texImage
->Border
;
3809 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3811 struct gl_renderbuffer
*srcRb
=
3812 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3814 copytexsubimage_by_slice(ctx
, texImage
, dims
,
3815 xoffset
, yoffset
, zoffset
,
3816 srcRb
, x
, y
, width
, height
);
3818 check_gen_mipmap(ctx
, target
, texObj
, level
);
3820 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3821 * the texel data, not the texture format, size, etc.
3825 _mesa_unlock_texture(ctx
, texObj
);
3829 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
3830 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
3832 struct gl_texture_object
* texObj
;
3833 const char *self
= "glCopyTexSubImage1D";
3834 GET_CURRENT_CONTEXT(ctx
);
3836 /* Check target (proxies not allowed). Target must be checked prior to
3837 * calling _mesa_get_current_tex_object.
3839 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
3840 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
3841 _mesa_enum_to_string(target
));
3845 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3849 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
3850 x
, y
, width
, 1, self
);
3856 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
3857 GLint xoffset
, GLint yoffset
,
3858 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3860 struct gl_texture_object
* texObj
;
3861 const char *self
= "glCopyTexSubImage2D";
3862 GET_CURRENT_CONTEXT(ctx
);
3864 /* Check target (proxies not allowed). Target must be checked prior to
3865 * calling _mesa_get_current_tex_object.
3867 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
3868 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
3869 _mesa_enum_to_string(target
));
3873 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3877 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, target
, level
,
3878 xoffset
, yoffset
, 0,
3879 x
, y
, width
, height
, self
);
3885 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
3886 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3887 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3889 struct gl_texture_object
* texObj
;
3890 const char *self
= "glCopyTexSubImage3D";
3891 GET_CURRENT_CONTEXT(ctx
);
3893 /* Check target (proxies not allowed). Target must be checked prior to
3894 * calling _mesa_get_current_tex_object.
3896 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
3897 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
3898 _mesa_enum_to_string(target
));
3902 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3906 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, target
, level
,
3907 xoffset
, yoffset
, zoffset
,
3908 x
, y
, width
, height
, self
);
3912 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
3913 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
3915 struct gl_texture_object
* texObj
;
3916 const char *self
= "glCopyTextureSubImage1D";
3917 GET_CURRENT_CONTEXT(ctx
);
3919 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
3923 /* Check target (proxies not allowed). */
3924 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
3925 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
3926 _mesa_enum_to_string(texObj
->Target
));
3930 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, texObj
->Target
, level
,
3931 xoffset
, 0, 0, x
, y
, width
, 1, self
);
3935 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
3936 GLint xoffset
, GLint yoffset
,
3937 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3939 struct gl_texture_object
* texObj
;
3940 const char *self
= "glCopyTextureSubImage2D";
3941 GET_CURRENT_CONTEXT(ctx
);
3943 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
3947 /* Check target (proxies not allowed). */
3948 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
3949 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
3950 _mesa_enum_to_string(texObj
->Target
));
3954 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, texObj
->Target
, level
,
3955 xoffset
, yoffset
, 0,
3956 x
, y
, width
, height
, self
);
3962 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
3963 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3964 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3966 struct gl_texture_object
* texObj
;
3967 const char *self
= "glCopyTextureSubImage3D";
3968 GET_CURRENT_CONTEXT(ctx
);
3970 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
3974 /* Check target (proxies not allowed). */
3975 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
3976 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
3977 _mesa_enum_to_string(texObj
->Target
));
3981 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3982 /* Act like CopyTexSubImage2D */
3983 _mesa_copy_texture_sub_image(ctx
, 2, texObj
,
3984 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
3985 level
, xoffset
, yoffset
, 0,
3986 x
, y
, width
, height
, self
);
3989 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, texObj
->Target
, level
,
3990 xoffset
, yoffset
, zoffset
,
3991 x
, y
, width
, height
, self
);
3995 check_clear_tex_image(struct gl_context
*ctx
,
3996 const char *function
,
3997 struct gl_texture_image
*texImage
,
3998 GLenum format
, GLenum type
,
4000 GLubyte
*clearValue
)
4002 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4003 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4004 GLenum internalFormat
= texImage
->InternalFormat
;
4007 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4008 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4009 "%s(buffer texture)", function
);
4013 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4014 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4015 "%s(compressed texture)", function
);
4019 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4020 if (err
!= GL_NO_ERROR
) {
4021 _mesa_error(ctx
, err
,
4022 "%s(incompatible format = %s, type = %s)",
4024 _mesa_enum_to_string(format
),
4025 _mesa_enum_to_string(type
));
4029 /* make sure internal format and format basically agree */
4030 if (!texture_formats_agree(internalFormat
, format
)) {
4031 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4032 "%s(incompatible internalFormat = %s, format = %s)",
4034 _mesa_enum_to_string(internalFormat
),
4035 _mesa_enum_to_string(format
));
4039 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4040 /* both source and dest must be integer-valued, or neither */
4041 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4042 _mesa_is_enum_format_integer(format
)) {
4043 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4044 "%s(integer/non-integer format mismatch)",
4050 if (!_mesa_texstore(ctx
,
4052 texImage
->_BaseFormat
,
4053 texImage
->TexFormat
,
4054 0, /* dstRowStride */
4056 1, 1, 1, /* srcWidth/Height/Depth */
4058 data
? data
: zeroData
,
4059 &ctx
->DefaultPacking
)) {
4060 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4067 static struct gl_texture_object
*
4068 get_tex_obj_for_clear(struct gl_context
*ctx
,
4069 const char *function
,
4072 struct gl_texture_object
*texObj
;
4075 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(zero texture)", function
);
4079 texObj
= _mesa_lookup_texture(ctx
, texture
);
4081 if (texObj
== NULL
) {
4082 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", function
);
4086 if (texObj
->Target
== 0) {
4087 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4095 get_tex_images_for_clear(struct gl_context
*ctx
,
4096 const char *function
,
4097 struct gl_texture_object
*texObj
,
4099 struct gl_texture_image
**texImages
)
4104 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4105 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4109 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4110 for (i
= 0; i
< MAX_FACES
; i
++) {
4111 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ i
;
4113 texImages
[i
] = _mesa_select_tex_image(texObj
, target
, level
);
4114 if (texImages
[i
] == NULL
) {
4115 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4116 "%s(invalid level)", function
);
4124 texImages
[0] = _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4126 if (texImages
[0] == NULL
) {
4127 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4135 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
4136 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4137 GLsizei width
, GLsizei height
, GLsizei depth
,
4138 GLenum format
, GLenum type
, const void *data
)
4140 GET_CURRENT_CONTEXT(ctx
);
4141 struct gl_texture_object
*texObj
;
4142 struct gl_texture_image
*texImages
[MAX_FACES
];
4143 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4145 int minDepth
, maxDepth
;
4147 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4152 _mesa_lock_texture(ctx
, texObj
);
4154 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4155 texObj
, level
, texImages
);
4159 if (numImages
== 1) {
4160 minDepth
= -(int) texImages
[0]->Border
;
4161 maxDepth
= texImages
[0]->Depth
;
4164 maxDepth
= numImages
;
4167 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4168 yoffset
< -(GLint
) texImages
[0]->Border
||
4169 zoffset
< minDepth
||
4173 xoffset
+ width
> texImages
[0]->Width
||
4174 yoffset
+ height
> texImages
[0]->Height
||
4175 zoffset
+ depth
> maxDepth
) {
4176 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4177 "glClearSubTexImage(invalid dimensions)");
4181 if (numImages
== 1) {
4182 if (check_clear_tex_image(ctx
, "glClearTexSubImage",
4184 format
, type
, data
, clearValue
[0])) {
4185 ctx
->Driver
.ClearTexSubImage(ctx
,
4187 xoffset
, yoffset
, zoffset
,
4188 width
, height
, depth
,
4189 data
? clearValue
[0] : NULL
);
4192 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4193 if (!check_clear_tex_image(ctx
, "glClearTexSubImage",
4195 format
, type
, data
, clearValue
[i
]))
4198 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4199 ctx
->Driver
.ClearTexSubImage(ctx
,
4201 xoffset
, yoffset
, 0,
4203 data
? clearValue
[i
] : NULL
);
4208 _mesa_unlock_texture(ctx
, texObj
);
4212 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4213 GLenum format
, GLenum type
, const void *data
)
4215 GET_CURRENT_CONTEXT(ctx
);
4216 struct gl_texture_object
*texObj
;
4217 struct gl_texture_image
*texImages
[MAX_FACES
];
4218 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4221 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4226 _mesa_lock_texture(ctx
, texObj
);
4228 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4229 texObj
, level
, texImages
);
4231 for (i
= 0; i
< numImages
; i
++) {
4232 if (!check_clear_tex_image(ctx
, "glClearTexImage",
4239 for (i
= 0; i
< numImages
; i
++) {
4240 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4241 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4242 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4243 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4244 texImages
[i
]->Width
,
4245 texImages
[i
]->Height
,
4246 texImages
[i
]->Depth
,
4247 data
? clearValue
[i
] : NULL
);
4251 _mesa_unlock_texture(ctx
, texObj
);
4257 /**********************************************************************/
4258 /****** Compressed Textures ******/
4259 /**********************************************************************/
4263 * Target checking for glCompressedTexSubImage[123]D().
4264 * \return GL_TRUE if error, GL_FALSE if no error
4265 * Must come before other error checking so that the texture object can
4266 * be correctly retrieved using _mesa_get_current_tex_object.
4269 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4270 GLint dims
, GLenum format
, bool dsa
,
4275 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4276 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4277 _mesa_enum_to_string(target
));
4287 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4288 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4289 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4290 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4291 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4292 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4293 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4296 targetOK
= GL_FALSE
;
4302 case GL_TEXTURE_CUBE_MAP
:
4303 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4305 case GL_TEXTURE_2D_ARRAY
:
4306 targetOK
= _mesa_is_gles3(ctx
) ||
4307 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4309 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4310 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
4315 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4317 * "An INVALID_OPERATION error is generated by
4318 * CompressedTex*SubImage3D if the internal format of the texture
4319 * is one of the EAC, ETC2, or RGTC formats and either border is
4320 * non-zero, or the effective target for the texture is not
4321 * TEXTURE_2D_ARRAY."
4323 * NOTE: that's probably a spec error. It should probably say
4324 * "... or the effective target for the texture is not
4325 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4326 * GL_TEXTURE_CUBE_MAP_ARRAY."
4327 * since those targets are 2D images and they support all compression
4330 * Instead of listing all these, just list those which are allowed,
4331 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4332 * more) are valid here, which they are not, but of course not
4333 * mentioned by core spec.
4336 /* These are the only 3D compression formats supported at this time */
4337 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
4338 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
4339 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
4340 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
4344 /* invalid format */
4345 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4346 "%s(invalid target %s for format %s)", caller
,
4347 _mesa_enum_to_string(target
),
4348 _mesa_enum_to_string(format
));
4353 targetOK
= GL_FALSE
;
4359 /* no 1D compressed textures at this time */
4360 targetOK
= GL_FALSE
;
4365 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4366 _mesa_enum_to_string(target
));
4374 * Error checking for glCompressedTexSubImage[123]D().
4375 * \return GL_TRUE if error, GL_FALSE if no error
4378 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4379 const struct gl_texture_object
*texObj
,
4380 GLenum target
, GLint level
,
4381 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4382 GLsizei width
, GLsizei height
, GLsizei depth
,
4383 GLenum format
, GLsizei imageSize
,
4384 const GLvoid
*data
, const char *callerName
)
4386 struct gl_texture_image
*texImage
;
4389 /* this will catch any invalid compressed format token */
4390 if (!_mesa_is_compressed_format(ctx
, format
)) {
4391 _mesa_error(ctx
, GL_INVALID_ENUM
,
4392 "%s(format)", callerName
);
4396 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4397 _mesa_error(ctx
, GL_INVALID_VALUE
,
4403 /* validate the bound PBO, if any */
4404 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4405 imageSize
, data
, callerName
)) {
4409 /* Check for invalid pixel storage modes */
4410 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4411 &ctx
->Unpack
, callerName
)) {
4415 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4416 if (expectedSize
!= imageSize
) {
4417 _mesa_error(ctx
, GL_INVALID_VALUE
,
4419 callerName
, imageSize
);
4423 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4425 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4426 "%s(invalid texture image)",
4431 if ((GLint
) format
!= texImage
->InternalFormat
) {
4432 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4434 callerName
, _mesa_enum_to_string(format
));
4438 if (compressedteximage_only_format(ctx
, format
)) {
4439 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4440 "%s(format=%s cannot be updated)",
4441 callerName
, _mesa_enum_to_string(format
));
4445 if (error_check_subtexture_negative_dimensions(ctx
, dims
,
4446 width
, height
, depth
,
4451 if (error_check_subtexture_dimensions(ctx
, dims
,
4452 texImage
, xoffset
, yoffset
, zoffset
,
4453 width
, height
, depth
,
4463 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4464 GLenum internalFormat
, GLsizei width
,
4465 GLint border
, GLsizei imageSize
,
4468 GET_CURRENT_CONTEXT(ctx
);
4469 teximage(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4470 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4475 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4476 GLenum internalFormat
, GLsizei width
,
4477 GLsizei height
, GLint border
, GLsizei imageSize
,
4480 GET_CURRENT_CONTEXT(ctx
);
4481 teximage(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4482 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4487 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4488 GLenum internalFormat
, GLsizei width
,
4489 GLsizei height
, GLsizei depth
, GLint border
,
4490 GLsizei imageSize
, const GLvoid
*data
)
4492 GET_CURRENT_CONTEXT(ctx
);
4493 teximage(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
,
4494 width
, height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4499 * Common helper for glCompressedTexSubImage1/2/3D() and
4500 * glCompressedTextureSubImage1/2/3D().
4503 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4504 struct gl_texture_object
*texObj
,
4505 struct gl_texture_image
*texImage
,
4506 GLenum target
, GLint level
, GLint xoffset
,
4507 GLint yoffset
, GLint zoffset
, GLsizei width
,
4508 GLsizei height
, GLsizei depth
, GLenum format
,
4509 GLsizei imageSize
, const GLvoid
*data
)
4511 FLUSH_VERTICES(ctx
, 0);
4513 _mesa_lock_texture(ctx
, texObj
);
4515 if (width
> 0 && height
> 0 && depth
> 0) {
4516 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4517 xoffset
, yoffset
, zoffset
,
4518 width
, height
, depth
,
4519 format
, imageSize
, data
);
4521 check_gen_mipmap(ctx
, target
, texObj
, level
);
4523 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4524 * the texel data, not the texture format, size, etc.
4528 _mesa_unlock_texture(ctx
, texObj
);
4533 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
4534 GLsizei width
, GLenum format
,
4535 GLsizei imageSize
, const GLvoid
*data
)
4537 struct gl_texture_object
*texObj
;
4538 struct gl_texture_image
*texImage
;
4540 GET_CURRENT_CONTEXT(ctx
);
4542 if (compressed_subtexture_target_check(ctx
, target
, 1, format
, false,
4543 "glCompressedTexSubImage1D")) {
4547 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4551 if (compressed_subtexture_error_check(ctx
, 1, texObj
, target
,
4552 level
, xoffset
, 0, 0,
4554 format
, imageSize
, data
,
4555 "glCompressedTexSubImage1D")) {
4559 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4562 compressed_texture_sub_image(ctx
, 1, texObj
, texImage
, target
, level
,
4563 xoffset
, 0, 0, width
, 1, 1, format
, imageSize
,
4568 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
4569 GLsizei width
, GLenum format
,
4570 GLsizei imageSize
, const GLvoid
*data
)
4572 struct gl_texture_object
*texObj
;
4573 struct gl_texture_image
*texImage
;
4575 GET_CURRENT_CONTEXT(ctx
);
4577 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4578 "glCompressedTextureSubImage1D");
4582 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 1, format
, true,
4583 "glCompressedTextureSubImage1D")) {
4587 if (compressed_subtexture_error_check(ctx
, 1, texObj
, texObj
->Target
,
4588 level
, xoffset
, 0, 0,
4590 format
, imageSize
, data
,
4591 "glCompressedTextureSubImage1D")) {
4595 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4598 compressed_texture_sub_image(ctx
, 1, texObj
, texImage
, texObj
->Target
,
4599 level
, xoffset
, 0, 0, width
, 1, 1, format
,
4605 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
4606 GLint yoffset
, GLsizei width
, GLsizei height
,
4607 GLenum format
, GLsizei imageSize
,
4610 struct gl_texture_object
*texObj
;
4611 struct gl_texture_image
*texImage
;
4613 GET_CURRENT_CONTEXT(ctx
);
4615 if (compressed_subtexture_target_check(ctx
, target
, 2, format
, false,
4616 "glCompressedTexSubImage2D")) {
4620 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4624 if (compressed_subtexture_error_check(ctx
, 2, texObj
, target
,
4625 level
, xoffset
, yoffset
, 0,
4627 format
, imageSize
, data
,
4628 "glCompressedTexSubImage2D")) {
4633 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4636 compressed_texture_sub_image(ctx
, 2, texObj
, texImage
, target
, level
,
4637 xoffset
, yoffset
, 0, width
, height
, 1,
4638 format
, imageSize
, data
);
4642 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
4644 GLsizei width
, GLsizei height
,
4645 GLenum format
, GLsizei imageSize
,
4648 struct gl_texture_object
*texObj
;
4649 struct gl_texture_image
*texImage
;
4651 GET_CURRENT_CONTEXT(ctx
);
4653 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4654 "glCompressedTextureSubImage2D");
4658 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 2, format
, true,
4659 "glCompressedTextureSubImage2D")) {
4663 if (compressed_subtexture_error_check(ctx
, 2, texObj
, texObj
->Target
,
4664 level
, xoffset
, yoffset
, 0,
4666 format
, imageSize
, data
,
4667 "glCompressedTextureSubImage2D")) {
4671 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4674 compressed_texture_sub_image(ctx
, 2, texObj
, texImage
, texObj
->Target
,
4675 level
, xoffset
, yoffset
, 0, width
, height
, 1,
4676 format
, imageSize
, data
);
4680 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
4681 GLint yoffset
, GLint zoffset
, GLsizei width
,
4682 GLsizei height
, GLsizei depth
, GLenum format
,
4683 GLsizei imageSize
, const GLvoid
*data
)
4685 struct gl_texture_object
*texObj
;
4686 struct gl_texture_image
*texImage
;
4688 GET_CURRENT_CONTEXT(ctx
);
4690 if (compressed_subtexture_target_check(ctx
, target
, 3, format
, false,
4691 "glCompressedTexSubImage3D")) {
4695 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4699 if (compressed_subtexture_error_check(ctx
, 3, texObj
, target
,
4700 level
, xoffset
, yoffset
, zoffset
,
4701 width
, height
, depth
,
4702 format
, imageSize
, data
,
4703 "glCompressedTexSubImage3D")) {
4708 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4711 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
, target
, level
,
4712 xoffset
, yoffset
, zoffset
, width
, height
,
4713 depth
, format
, imageSize
, data
);
4717 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
4718 GLint yoffset
, GLint zoffset
, GLsizei width
,
4719 GLsizei height
, GLsizei depth
,
4720 GLenum format
, GLsizei imageSize
,
4723 struct gl_texture_object
*texObj
;
4724 struct gl_texture_image
*texImage
;
4726 GET_CURRENT_CONTEXT(ctx
);
4728 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4729 "glCompressedTextureSubImage3D");
4733 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 3, format
, true,
4734 "glCompressedTextureSubImage3D")) {
4738 if (compressed_subtexture_error_check(ctx
, 3, texObj
, texObj
->Target
,
4739 level
, xoffset
, yoffset
, zoffset
,
4740 width
, height
, depth
,
4741 format
, imageSize
, data
,
4742 "glCompressedTextureSubImage3D")) {
4746 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
4747 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4748 const char *pixels
= data
;
4752 /* Make sure the texture object is a proper cube.
4753 * (See texturesubimage in teximage.c for details on why this check is
4756 if (!_mesa_cube_level_complete(texObj
, level
)) {
4757 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4758 "glCompressedTextureSubImage3D(cube map incomplete)");
4762 /* Copy in each face. */
4763 for (i
= 0; i
< 6; ++i
) {
4764 texImage
= texObj
->Image
[i
][level
];
4767 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
4768 texObj
->Target
, level
, xoffset
, yoffset
,
4769 zoffset
, width
, height
, 1, format
,
4772 /* Compressed images don't have a client format */
4773 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
4775 texImage
->Height
, 1);
4777 pixels
+= image_stride
;
4778 imageSize
-= image_stride
;
4782 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4785 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
4786 level
, xoffset
, yoffset
, zoffset
, width
,
4787 height
, depth
, format
, imageSize
, data
);
4792 get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
4794 if (ctx
->API
== API_OPENGL_COMPAT
) {
4795 switch (internalFormat
) {
4797 return MESA_FORMAT_A_UNORM8
;
4799 return MESA_FORMAT_A_UNORM16
;
4800 case GL_ALPHA16F_ARB
:
4801 return MESA_FORMAT_A_FLOAT16
;
4802 case GL_ALPHA32F_ARB
:
4803 return MESA_FORMAT_A_FLOAT32
;
4804 case GL_ALPHA8I_EXT
:
4805 return MESA_FORMAT_A_SINT8
;
4806 case GL_ALPHA16I_EXT
:
4807 return MESA_FORMAT_A_SINT16
;
4808 case GL_ALPHA32I_EXT
:
4809 return MESA_FORMAT_A_SINT32
;
4810 case GL_ALPHA8UI_EXT
:
4811 return MESA_FORMAT_A_UINT8
;
4812 case GL_ALPHA16UI_EXT
:
4813 return MESA_FORMAT_A_UINT16
;
4814 case GL_ALPHA32UI_EXT
:
4815 return MESA_FORMAT_A_UINT32
;
4817 return MESA_FORMAT_L_UNORM8
;
4818 case GL_LUMINANCE16
:
4819 return MESA_FORMAT_L_UNORM16
;
4820 case GL_LUMINANCE16F_ARB
:
4821 return MESA_FORMAT_L_FLOAT16
;
4822 case GL_LUMINANCE32F_ARB
:
4823 return MESA_FORMAT_L_FLOAT32
;
4824 case GL_LUMINANCE8I_EXT
:
4825 return MESA_FORMAT_L_SINT8
;
4826 case GL_LUMINANCE16I_EXT
:
4827 return MESA_FORMAT_L_SINT16
;
4828 case GL_LUMINANCE32I_EXT
:
4829 return MESA_FORMAT_L_SINT32
;
4830 case GL_LUMINANCE8UI_EXT
:
4831 return MESA_FORMAT_L_UINT8
;
4832 case GL_LUMINANCE16UI_EXT
:
4833 return MESA_FORMAT_L_UINT16
;
4834 case GL_LUMINANCE32UI_EXT
:
4835 return MESA_FORMAT_L_UINT32
;
4836 case GL_LUMINANCE8_ALPHA8
:
4837 return MESA_FORMAT_L8A8_UNORM
;
4838 case GL_LUMINANCE16_ALPHA16
:
4839 return MESA_FORMAT_L16A16_UNORM
;
4840 case GL_LUMINANCE_ALPHA16F_ARB
:
4841 return MESA_FORMAT_LA_FLOAT16
;
4842 case GL_LUMINANCE_ALPHA32F_ARB
:
4843 return MESA_FORMAT_LA_FLOAT32
;
4844 case GL_LUMINANCE_ALPHA8I_EXT
:
4845 return MESA_FORMAT_LA_SINT8
;
4846 case GL_LUMINANCE_ALPHA16I_EXT
:
4847 return MESA_FORMAT_LA_SINT16
;
4848 case GL_LUMINANCE_ALPHA32I_EXT
:
4849 return MESA_FORMAT_LA_SINT32
;
4850 case GL_LUMINANCE_ALPHA8UI_EXT
:
4851 return MESA_FORMAT_LA_UINT8
;
4852 case GL_LUMINANCE_ALPHA16UI_EXT
:
4853 return MESA_FORMAT_LA_UINT16
;
4854 case GL_LUMINANCE_ALPHA32UI_EXT
:
4855 return MESA_FORMAT_LA_UINT32
;
4857 return MESA_FORMAT_I_UNORM8
;
4858 case GL_INTENSITY16
:
4859 return MESA_FORMAT_I_UNORM16
;
4860 case GL_INTENSITY16F_ARB
:
4861 return MESA_FORMAT_I_FLOAT16
;
4862 case GL_INTENSITY32F_ARB
:
4863 return MESA_FORMAT_I_FLOAT32
;
4864 case GL_INTENSITY8I_EXT
:
4865 return MESA_FORMAT_I_SINT8
;
4866 case GL_INTENSITY16I_EXT
:
4867 return MESA_FORMAT_I_SINT16
;
4868 case GL_INTENSITY32I_EXT
:
4869 return MESA_FORMAT_I_SINT32
;
4870 case GL_INTENSITY8UI_EXT
:
4871 return MESA_FORMAT_I_UINT8
;
4872 case GL_INTENSITY16UI_EXT
:
4873 return MESA_FORMAT_I_UINT16
;
4874 case GL_INTENSITY32UI_EXT
:
4875 return MESA_FORMAT_I_UINT32
;
4881 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
4882 _mesa_has_OES_texture_buffer(ctx
)) {
4883 switch (internalFormat
) {
4885 return MESA_FORMAT_RGB_FLOAT32
;
4887 return MESA_FORMAT_RGB_UINT32
;
4889 return MESA_FORMAT_RGB_SINT32
;
4895 switch (internalFormat
) {
4897 return MESA_FORMAT_R8G8B8A8_UNORM
;
4899 if (_mesa_is_gles(ctx
))
4900 return MESA_FORMAT_NONE
;
4901 return MESA_FORMAT_RGBA_UNORM16
;
4902 case GL_RGBA16F_ARB
:
4903 return MESA_FORMAT_RGBA_FLOAT16
;
4904 case GL_RGBA32F_ARB
:
4905 return MESA_FORMAT_RGBA_FLOAT32
;
4907 return MESA_FORMAT_RGBA_SINT8
;
4908 case GL_RGBA16I_EXT
:
4909 return MESA_FORMAT_RGBA_SINT16
;
4910 case GL_RGBA32I_EXT
:
4911 return MESA_FORMAT_RGBA_SINT32
;
4912 case GL_RGBA8UI_EXT
:
4913 return MESA_FORMAT_RGBA_UINT8
;
4914 case GL_RGBA16UI_EXT
:
4915 return MESA_FORMAT_RGBA_UINT16
;
4916 case GL_RGBA32UI_EXT
:
4917 return MESA_FORMAT_RGBA_UINT32
;
4920 return MESA_FORMAT_R8G8_UNORM
;
4922 if (_mesa_is_gles(ctx
))
4923 return MESA_FORMAT_NONE
;
4924 return MESA_FORMAT_R16G16_UNORM
;
4926 return MESA_FORMAT_RG_FLOAT16
;
4928 return MESA_FORMAT_RG_FLOAT32
;
4930 return MESA_FORMAT_RG_SINT8
;
4932 return MESA_FORMAT_RG_SINT16
;
4934 return MESA_FORMAT_RG_SINT32
;
4936 return MESA_FORMAT_RG_UINT8
;
4938 return MESA_FORMAT_RG_UINT16
;
4940 return MESA_FORMAT_RG_UINT32
;
4943 return MESA_FORMAT_R_UNORM8
;
4945 if (_mesa_is_gles(ctx
))
4946 return MESA_FORMAT_NONE
;
4947 return MESA_FORMAT_R_UNORM16
;
4949 return MESA_FORMAT_R_FLOAT16
;
4951 return MESA_FORMAT_R_FLOAT32
;
4953 return MESA_FORMAT_R_SINT8
;
4955 return MESA_FORMAT_R_SINT16
;
4957 return MESA_FORMAT_R_SINT32
;
4959 return MESA_FORMAT_R_UINT8
;
4961 return MESA_FORMAT_R_UINT16
;
4963 return MESA_FORMAT_R_UINT32
;
4966 return MESA_FORMAT_NONE
;
4972 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
4973 GLenum internalFormat
)
4975 mesa_format format
= get_texbuffer_format(ctx
, internalFormat
);
4978 if (format
== MESA_FORMAT_NONE
)
4979 return MESA_FORMAT_NONE
;
4981 datatype
= _mesa_get_format_datatype(format
);
4983 /* The GL_ARB_texture_buffer_object spec says:
4985 * "If ARB_texture_float is not supported, references to the
4986 * floating-point internal formats provided by that extension should be
4987 * removed, and such formats may not be passed to TexBufferARB."
4989 * As a result, GL_HALF_FLOAT internal format depends on both
4990 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
4992 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
4993 !ctx
->Extensions
.ARB_texture_float
)
4994 return MESA_FORMAT_NONE
;
4996 if (!ctx
->Extensions
.ARB_texture_rg
) {
4997 GLenum base_format
= _mesa_get_format_base_format(format
);
4998 if (base_format
== GL_R
|| base_format
== GL_RG
)
4999 return MESA_FORMAT_NONE
;
5002 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5003 GLenum base_format
= _mesa_get_format_base_format(format
);
5004 if (base_format
== GL_RGB
)
5005 return MESA_FORMAT_NONE
;
5012 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
5013 * and glTextureBufferRange, including some error checking.
5016 texture_buffer_range(struct gl_context
*ctx
,
5017 struct gl_texture_object
*texObj
,
5018 GLenum internalFormat
,
5019 struct gl_buffer_object
*bufObj
,
5020 GLintptr offset
, GLsizeiptr size
,
5023 GLintptr oldOffset
= texObj
->BufferOffset
;
5024 GLsizeiptr oldSize
= texObj
->BufferSize
;
5027 /* NOTE: ARB_texture_buffer_object has interactions with
5028 * the compatibility profile that are not implemented.
5030 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
5031 !_mesa_has_OES_texture_buffer(ctx
)) {
5032 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5033 "%s(ARB_texture_buffer_object is not"
5034 " implemented for the compatibility profile)", caller
);
5038 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5039 if (format
== MESA_FORMAT_NONE
) {
5040 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
5041 caller
, _mesa_enum_to_string(internalFormat
));
5045 FLUSH_VERTICES(ctx
, 0);
5047 _mesa_lock_texture(ctx
, texObj
);
5049 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5050 texObj
->BufferObjectFormat
= internalFormat
;
5051 texObj
->_BufferObjectFormat
= format
;
5052 texObj
->BufferOffset
= offset
;
5053 texObj
->BufferSize
= size
;
5055 _mesa_unlock_texture(ctx
, texObj
);
5057 if (ctx
->Driver
.TexParameter
) {
5058 if (offset
!= oldOffset
) {
5059 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
5061 if (size
!= oldSize
) {
5062 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
5066 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5069 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5075 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5076 * Return true if it is, and return false if it is not
5077 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5078 * core spec, 02.02.2015, PDF page 245).
5081 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5084 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5085 _mesa_error(ctx
, GL_INVALID_ENUM
,
5086 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5094 * Check for errors related to the texture buffer range.
5095 * Return false if errors are found, true if none are found.
5098 check_texture_buffer_range(struct gl_context
*ctx
,
5099 struct gl_buffer_object
*bufObj
,
5100 GLintptr offset
, GLsizeiptr size
,
5103 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5104 * Textures (PDF page 245):
5105 * "An INVALID_VALUE error is generated if offset is negative, if
5106 * size is less than or equal to zero, or if offset + size is greater
5107 * than the value of BUFFER_SIZE for the buffer bound to target."
5110 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5116 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5121 if (offset
+ size
> bufObj
->Size
) {
5122 _mesa_error(ctx
, GL_INVALID_VALUE
,
5123 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5124 (int) offset
, (int) size
, (int) bufObj
->Size
);
5128 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5129 * Textures (PDF page 245):
5130 * "An INVALID_VALUE error is generated if offset is not an integer
5131 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5133 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5134 _mesa_error(ctx
, GL_INVALID_VALUE
,
5135 "%s(invalid offset alignment)", caller
);
5143 /** GL_ARB_texture_buffer_object */
5145 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5147 struct gl_texture_object
*texObj
;
5148 struct gl_buffer_object
*bufObj
;
5150 GET_CURRENT_CONTEXT(ctx
);
5152 /* Need to catch a bad target before it gets to
5153 * _mesa_get_current_tex_object.
5155 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5159 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5165 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5169 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5170 buffer
? -1 : 0, "glTexBuffer");
5174 /** GL_ARB_texture_buffer_range */
5176 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5177 GLintptr offset
, GLsizeiptr size
)
5179 struct gl_texture_object
*texObj
;
5180 struct gl_buffer_object
*bufObj
;
5182 GET_CURRENT_CONTEXT(ctx
);
5184 /* Need to catch a bad target before it gets to
5185 * _mesa_get_current_tex_object.
5187 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5191 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5195 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5196 "glTexBufferRange"))
5200 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5201 * Textures (PDF page 254):
5202 * "If buffer is zero, then any buffer object attached to the buffer
5203 * texture is detached, the values offset and size are ignored and
5204 * the state for offset and size for the buffer texture are reset to
5212 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5216 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5217 offset
, size
, "glTexBufferRange");
5221 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5223 struct gl_texture_object
*texObj
;
5224 struct gl_buffer_object
*bufObj
;
5226 GET_CURRENT_CONTEXT(ctx
);
5229 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5235 /* Get the texture object by Name. */
5236 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5240 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5243 texture_buffer_range(ctx
, texObj
, internalFormat
,
5244 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5248 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5249 GLintptr offset
, GLsizeiptr size
)
5251 struct gl_texture_object
*texObj
;
5252 struct gl_buffer_object
*bufObj
;
5254 GET_CURRENT_CONTEXT(ctx
);
5257 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5258 "glTextureBufferRange");
5262 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5263 "glTextureBufferRange"))
5267 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5268 * Textures (PDF page 254):
5269 * "If buffer is zero, then any buffer object attached to the buffer
5270 * texture is detached, the values offset and size are ignored and
5271 * the state for offset and size for the buffer texture are reset to
5279 /* Get the texture object by Name. */
5280 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5284 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5285 "glTextureBufferRange"))
5288 texture_buffer_range(ctx
, texObj
, internalFormat
,
5289 bufObj
, offset
, size
, "glTextureBufferRange");
5293 _mesa_is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5295 /* Everything that is allowed for renderbuffers,
5296 * except for a base format of GL_STENCIL_INDEX, unless supported.
5298 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5299 if (ctx
->Extensions
.ARB_texture_stencil8
)
5300 return baseFormat
!= 0;
5302 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5306 /** GL_ARB_texture_multisample */
5308 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5311 case GL_TEXTURE_2D_MULTISAMPLE
:
5313 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5314 return dims
== 2 && !dsa
;
5315 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5317 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5318 return dims
== 3 && !dsa
;
5326 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5327 struct gl_texture_object
*texObj
,
5328 GLenum target
, GLsizei samples
,
5329 GLint internalformat
, GLsizei width
,
5330 GLsizei height
, GLsizei depth
,
5331 GLboolean fixedsamplelocations
,
5332 GLboolean immutable
, const char *func
)
5334 struct gl_texture_image
*texImage
;
5335 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5336 mesa_format texFormat
;
5337 GLenum sample_count_error
;
5338 bool dsa
= strstr(func
, "ture") ? true : false;
5340 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
5341 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
5342 _mesa_enum_to_string(target
), samples
);
5345 if (!((ctx
->Extensions
.ARB_texture_multisample
5346 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5347 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5352 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5356 if (!check_multisample_target(dims
, target
, dsa
)) {
5358 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5362 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5367 /* check that the specified internalformat is color/depth/stencil-renderable;
5368 * refer GL3.1 spec 4.4.4
5371 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5372 _mesa_error(ctx
, GL_INVALID_ENUM
,
5373 "%s(internalformat=%s not legal for immutable-format)",
5374 func
, _mesa_enum_to_string(internalformat
));
5378 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
5379 /* Page 172 of OpenGL ES 3.1 spec says:
5380 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5381 * color-renderable, depth-renderable, or stencil-renderable (as
5382 * defined in section 9.4).
5384 * (Same error is also defined for desktop OpenGL for multisample
5385 * teximage/texstorage functions.)
5387 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5388 _mesa_enum_to_string(internalformat
));
5392 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5393 internalformat
, samples
);
5394 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5396 /* Page 254 of OpenGL 4.4 spec says:
5397 * "Proxy arrays for two-dimensional multisample and two-dimensional
5398 * multisample array textures are operated on in the same way when
5399 * TexImage2DMultisample is called with target specified as
5400 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5401 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5402 * However, if samples is not supported, then no error is generated.
5404 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5405 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5409 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5410 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5411 "%s(texture object 0)",
5416 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5418 if (texImage
== NULL
) {
5419 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5423 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5424 internalformat
, GL_NONE
, GL_NONE
);
5425 assert(texFormat
!= MESA_FORMAT_NONE
);
5427 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5428 width
, height
, depth
, 0);
5430 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
5431 samples
, width
, height
, depth
);
5433 if (_mesa_is_proxy_texture(target
)) {
5434 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5435 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5436 internalformat
, texFormat
,
5437 samples
, fixedsamplelocations
);
5440 /* clear all image fields */
5441 clear_teximage_fields(texImage
);
5445 if (!dimensionsOK
) {
5446 _mesa_error(ctx
, GL_INVALID_VALUE
,
5447 "%s(invalid width or height)", func
);
5452 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5456 /* Check if texObj->Immutable is set */
5457 if (texObj
->Immutable
) {
5458 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5462 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5464 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5465 internalformat
, texFormat
,
5466 samples
, fixedsamplelocations
);
5468 if (width
> 0 && height
> 0 && depth
> 0) {
5469 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5470 width
, height
, depth
)) {
5471 /* tidy up the texture image state. strictly speaking,
5472 * we're allowed to just leave this in whatever state we
5473 * like, but being tidy is good.
5475 _mesa_init_teximage_fields(ctx
, texImage
,
5476 0, 0, 0, 0, GL_NONE
, MESA_FORMAT_NONE
);
5480 texObj
->Immutable
|= immutable
;
5483 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5486 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5492 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5493 GLenum internalformat
, GLsizei width
,
5494 GLsizei height
, GLboolean fixedsamplelocations
)
5496 struct gl_texture_object
*texObj
;
5497 GET_CURRENT_CONTEXT(ctx
);
5499 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5503 texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5504 internalformat
, width
, height
, 1,
5505 fixedsamplelocations
, GL_FALSE
,
5506 "glTexImage2DMultisample");
5511 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5512 GLenum internalformat
, GLsizei width
,
5513 GLsizei height
, GLsizei depth
,
5514 GLboolean fixedsamplelocations
)
5516 struct gl_texture_object
*texObj
;
5517 GET_CURRENT_CONTEXT(ctx
);
5519 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5523 texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5524 internalformat
, width
, height
, depth
,
5525 fixedsamplelocations
, GL_FALSE
,
5526 "glTexImage3DMultisample");
5530 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
5531 GLsizei samples
, unsigned dims
)
5533 GET_CURRENT_CONTEXT(ctx
);
5535 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
5536 _mesa_error(ctx
, GL_INVALID_VALUE
,
5537 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
5538 dims
, width
, height
, depth
);
5545 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5546 GLenum internalformat
, GLsizei width
,
5547 GLsizei height
, GLboolean fixedsamplelocations
)
5549 struct gl_texture_object
*texObj
;
5550 GET_CURRENT_CONTEXT(ctx
);
5552 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5556 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5559 texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5560 internalformat
, width
, height
, 1,
5561 fixedsamplelocations
, GL_TRUE
,
5562 "glTexStorage2DMultisample");
5566 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5567 GLenum internalformat
, GLsizei width
,
5568 GLsizei height
, GLsizei depth
,
5569 GLboolean fixedsamplelocations
)
5571 struct gl_texture_object
*texObj
;
5572 GET_CURRENT_CONTEXT(ctx
);
5574 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5578 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5581 texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5582 internalformat
, width
, height
, depth
,
5583 fixedsamplelocations
, GL_TRUE
,
5584 "glTexStorage3DMultisample");
5588 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5589 GLenum internalformat
, GLsizei width
,
5591 GLboolean fixedsamplelocations
)
5593 struct gl_texture_object
*texObj
;
5594 GET_CURRENT_CONTEXT(ctx
);
5596 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5597 "glTextureStorage2DMultisample");
5601 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5604 texture_image_multisample(ctx
, 2, texObj
, texObj
->Target
, samples
,
5605 internalformat
, width
, height
, 1,
5606 fixedsamplelocations
, GL_TRUE
,
5607 "glTextureStorage2DMultisample");
5611 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
5612 GLenum internalformat
, GLsizei width
,
5613 GLsizei height
, GLsizei depth
,
5614 GLboolean fixedsamplelocations
)
5616 struct gl_texture_object
*texObj
;
5617 GET_CURRENT_CONTEXT(ctx
);
5619 /* Get the texture object by Name. */
5620 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5621 "glTextureStorage3DMultisample");
5625 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5628 texture_image_multisample(ctx
, 3, texObj
, texObj
->Target
, samples
,
5629 internalformat
, width
, height
, depth
,
5630 fixedsamplelocations
, GL_TRUE
,
5631 "glTextureStorage3DMultisample");