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
);
818 case GL_TEXTURE_BUFFER
:
819 case GL_PROXY_TEXTURE_1D
:
831 case GL_TEXTURE_1D_ARRAY
:
832 case GL_PROXY_TEXTURE_1D_ARRAY
:
833 img
->Height2
= height
; /* no border */
834 img
->HeightLog2
= 0; /* not used */
842 case GL_TEXTURE_RECTANGLE
:
843 case GL_TEXTURE_CUBE_MAP
:
844 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
845 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
846 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
847 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
848 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
849 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
850 case GL_TEXTURE_EXTERNAL_OES
:
851 case GL_PROXY_TEXTURE_2D
:
852 case GL_PROXY_TEXTURE_RECTANGLE
:
853 case GL_PROXY_TEXTURE_CUBE_MAP
:
854 case GL_TEXTURE_2D_MULTISAMPLE
:
855 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
856 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
857 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
864 case GL_TEXTURE_2D_ARRAY
:
865 case GL_PROXY_TEXTURE_2D_ARRAY
:
866 case GL_TEXTURE_CUBE_MAP_ARRAY
:
867 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
868 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
869 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
870 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
871 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
872 img
->Depth2
= depth
; /* no border */
873 img
->DepthLog2
= 0; /* not used */
876 case GL_PROXY_TEXTURE_3D
:
877 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
878 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
879 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
880 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
883 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
888 _mesa_get_tex_max_num_levels(target
,
889 img
->Width2
, img
->Height2
, img
->Depth2
);
890 img
->TexFormat
= format
;
891 img
->NumSamples
= numSamples
;
892 img
->FixedSampleLocations
= fixedSampleLocations
;
897 _mesa_init_teximage_fields(struct gl_context
*ctx
,
898 struct gl_texture_image
*img
,
899 GLsizei width
, GLsizei height
, GLsizei depth
,
900 GLint border
, GLenum internalFormat
,
903 init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
904 internalFormat
, format
, 0, GL_TRUE
);
909 * Free and clear fields of the gl_texture_image struct.
911 * \param ctx GL context.
912 * \param texImage texture image structure to be cleared.
914 * After the call, \p texImage will have no data associated with it. Its
915 * fields are cleared so that its parent object will test incomplete.
918 _mesa_clear_texture_image(struct gl_context
*ctx
,
919 struct gl_texture_image
*texImage
)
921 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
922 clear_teximage_fields(texImage
);
927 * Check the width, height, depth and border of a texture image are legal.
928 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
930 * The target and level parameters will have already been validated.
931 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
934 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
935 GLint level
, GLint width
, GLint height
,
936 GLint depth
, GLint border
)
942 case GL_PROXY_TEXTURE_1D
:
943 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1); /* level zero size */
944 maxSize
>>= level
; /* level size */
945 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
947 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
948 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
954 case GL_PROXY_TEXTURE_2D
:
955 case GL_TEXTURE_2D_MULTISAMPLE
:
956 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
957 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
959 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
961 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
963 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
964 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
966 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
972 case GL_PROXY_TEXTURE_3D
:
973 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
975 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
977 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
979 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
981 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
982 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
984 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
986 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
991 case GL_TEXTURE_RECTANGLE_NV
:
992 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
995 maxSize
= ctx
->Const
.MaxTextureRectSize
;
996 if (width
< 0 || width
> maxSize
)
998 if (height
< 0 || height
> maxSize
)
1002 case GL_TEXTURE_CUBE_MAP
:
1003 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1004 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1005 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1006 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1007 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1008 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1009 case GL_PROXY_TEXTURE_CUBE_MAP
:
1010 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1012 if (width
!= height
)
1014 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1016 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1018 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1019 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1021 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1026 case GL_TEXTURE_1D_ARRAY_EXT
:
1027 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1028 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1030 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1032 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1034 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1035 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1040 case GL_TEXTURE_2D_ARRAY_EXT
:
1041 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1042 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1043 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1044 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1046 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1048 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1050 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
)
1052 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1053 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1055 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1060 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1061 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1062 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1063 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1065 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1067 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1069 if (width
!= height
)
1071 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
1073 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1074 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1076 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1081 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1087 error_check_subtexture_negative_dimensions(struct gl_context
*ctx
,
1096 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width=%d)", func
, subWidth
);
1100 if (dims
> 1 && subHeight
< 0) {
1101 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height=%d)", func
, subHeight
);
1105 if (dims
> 2 && subDepth
< 0) {
1106 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(depth=%d)", func
, subDepth
);
1114 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1115 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1116 * \param destImage the destination texture image.
1117 * \return GL_TRUE if error found, GL_FALSE otherwise.
1120 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1121 const struct gl_texture_image
*destImage
,
1122 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1123 GLsizei subWidth
, GLsizei subHeight
,
1124 GLsizei subDepth
, const char *func
)
1126 const GLenum target
= destImage
->TexObject
->Target
;
1129 /* check xoffset and width */
1130 if (xoffset
< - (GLint
) destImage
->Border
) {
1131 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1135 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1136 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset+width)", func
);
1140 /* check yoffset and height */
1142 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1143 if (yoffset
< -yBorder
) {
1144 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1147 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1148 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset+height)", func
);
1153 /* check zoffset and depth */
1156 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1157 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1158 0 : destImage
->Border
;
1160 if (zoffset
< -zBorder
) {
1161 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1165 depth
= (GLint
) destImage
->Depth
;
1166 if (target
== GL_TEXTURE_CUBE_MAP
)
1168 if (zoffset
+ subDepth
> depth
) {
1169 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset+depth)", func
);
1175 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1176 * compressed texture images can be updated. But, that restriction may be
1177 * relaxed for particular compressed formats. At this time, all the
1178 * compressed formats supported by Mesa allow sub-textures to be updated
1179 * along compressed block boundaries.
1181 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1183 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1184 /* offset must be multiple of block size */
1185 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1186 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1187 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1188 func
, xoffset
, yoffset
, zoffset
);
1192 /* The size must be a multiple of bw x bh, or we must be using a
1193 * offset+size that exactly hits the edge of the image. This
1194 * is important for small mipmap levels (1x1, 2x1, etc) and for
1197 if ((subWidth
% bw
!= 0) &&
1198 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1199 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1200 "%s(width = %d)", func
, subWidth
);
1204 if ((subHeight
% bh
!= 0) &&
1205 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1206 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1207 "%s(height = %d)", func
, subHeight
);
1211 if ((subDepth
% bd
!= 0) &&
1212 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1213 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1214 "%s(depth = %d)", func
, subDepth
);
1226 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1227 * specific texture image size checks.
1229 * A hardware driver might override this function if, for example, the
1230 * max 3D texture size is 512x512x64 (i.e. not a cube).
1232 * Note that width, height, depth == 0 is not an error. However, a
1233 * texture with zero width/height/depth will be considered "incomplete"
1234 * and texturing will effectively be disabled.
1236 * \param target any texture target/type
1237 * \param numLevels number of mipmap levels in the texture or 0 if not known
1238 * \param level as passed to glTexImage
1239 * \param format the MESA_FORMAT_x for the tex image
1240 * \param numSamples number of samples per texel
1241 * \param width as passed to glTexImage
1242 * \param height as passed to glTexImage
1243 * \param depth as passed to glTexImage
1244 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1247 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1248 GLuint numLevels
, GLint level
,
1249 mesa_format format
, GLuint numSamples
,
1250 GLint width
, GLint height
, GLint depth
)
1252 uint64_t bytes
, mbytes
;
1254 if (numLevels
> 0) {
1255 /* Compute total memory for a whole mipmap. This is the path
1256 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1264 for (l
= 0; l
< numLevels
; l
++) {
1265 GLint nextWidth
, nextHeight
, nextDepth
;
1267 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1269 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1270 &nextWidth
, &nextHeight
,
1273 height
= nextHeight
;
1280 /* We just compute the size of one mipmap level. This is the path
1281 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1283 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1286 bytes
*= _mesa_num_tex_faces(target
);
1287 bytes
*= MAX2(1, numSamples
);
1289 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1291 /* We just check if the image size is less than MaxTextureMbytes.
1292 * Some drivers may do more specific checks.
1294 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1299 * Return true if the format is only valid for glCompressedTexImage.
1302 compressedteximage_only_format(const struct gl_context
*ctx
, GLenum format
)
1305 case GL_PALETTE4_RGB8_OES
:
1306 case GL_PALETTE4_RGBA8_OES
:
1307 case GL_PALETTE4_R5_G6_B5_OES
:
1308 case GL_PALETTE4_RGBA4_OES
:
1309 case GL_PALETTE4_RGB5_A1_OES
:
1310 case GL_PALETTE8_RGB8_OES
:
1311 case GL_PALETTE8_RGBA8_OES
:
1312 case GL_PALETTE8_R5_G6_B5_OES
:
1313 case GL_PALETTE8_RGBA4_OES
:
1314 case GL_PALETTE8_RGB5_A1_OES
:
1322 * Return true if the format doesn't support online compression.
1325 _mesa_format_no_online_compression(const struct gl_context
*ctx
, GLenum format
)
1327 return _mesa_is_astc_format(format
) ||
1328 _mesa_is_etc2_format(format
) ||
1329 compressedteximage_only_format(ctx
, format
);
1332 /* Writes to an GL error pointer if non-null and returns whether or not the
1333 * error is GL_NO_ERROR */
1335 write_error(GLenum
*err_ptr
, GLenum error
)
1340 return error
== GL_NO_ERROR
;
1344 * Helper function to determine whether a target and specific compression
1345 * format are supported. The error parameter returns GL_NO_ERROR if the
1346 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1347 * or GL_INVALID_ENUM, whichever is more appropriate.
1350 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1351 GLenum intFormat
, GLenum
*error
)
1353 GLboolean target_can_be_compresed
= GL_FALSE
;
1354 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1355 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1359 case GL_PROXY_TEXTURE_2D
:
1360 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1362 case GL_PROXY_TEXTURE_CUBE_MAP
:
1363 case GL_TEXTURE_CUBE_MAP
:
1364 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1365 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1366 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1367 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1368 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1369 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1370 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1372 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1373 case GL_TEXTURE_2D_ARRAY_EXT
:
1374 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1376 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1377 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1378 /* From the KHR_texture_compression_astc_hdr spec:
1380 * Add a second new column "3D Tex." which is empty for all non-ASTC
1381 * formats. If only the LDR profile is supported by the
1382 * implementation, this column is also empty for all ASTC formats. If
1383 * both the LDR and HDR profiles are supported only, this column is
1384 * checked for all ASTC formats.
1386 * Add a third new column "Cube Map Array Tex." which is empty for all
1387 * non-ASTC formats, and checked for all ASTC formats.
1391 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1392 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1393 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1394 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1395 * 8.19 is *not* checked'
1397 * The instances of <internalformat> above should say <target>.
1399 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1400 * have already been handled by normal ETC2/EAC behavior.
1403 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1405 * "The ETC2/EAC texture compression algorithm supports only
1406 * two-dimensional images. If internalformat is an ETC2/EAC format,
1407 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1408 * target is not TEXTURE_2D_ARRAY."
1410 * This should also be applicable for glTexStorage3D(). Other available
1411 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1413 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
))
1414 return write_error(error
, GL_INVALID_OPERATION
);
1415 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1419 case MESA_FORMAT_LAYOUT_ETC2
:
1420 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1421 if (_mesa_is_gles3(ctx
))
1422 return write_error(error
, GL_INVALID_OPERATION
);
1424 case MESA_FORMAT_LAYOUT_BPTC
:
1425 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1427 case MESA_FORMAT_LAYOUT_ASTC
:
1428 target_can_be_compresed
=
1429 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1430 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1432 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1433 * neither of the above extensions are supported. See comment in
1434 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1436 if (!target_can_be_compresed
)
1437 return write_error(error
, GL_INVALID_OPERATION
);
1445 return write_error(error
,
1446 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1451 * Check if the given texture target value is legal for a
1452 * glTexImage1/2/3D call.
1455 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1461 case GL_PROXY_TEXTURE_1D
:
1462 return _mesa_is_desktop_gl(ctx
);
1470 case GL_PROXY_TEXTURE_2D
:
1471 return _mesa_is_desktop_gl(ctx
);
1472 case GL_PROXY_TEXTURE_CUBE_MAP
:
1473 return _mesa_is_desktop_gl(ctx
)
1474 && ctx
->Extensions
.ARB_texture_cube_map
;
1475 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1476 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1477 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1478 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1479 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1480 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1481 return ctx
->Extensions
.ARB_texture_cube_map
;
1482 case GL_TEXTURE_RECTANGLE_NV
:
1483 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1484 return _mesa_is_desktop_gl(ctx
)
1485 && ctx
->Extensions
.NV_texture_rectangle
;
1486 case GL_TEXTURE_1D_ARRAY_EXT
:
1487 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1488 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1496 case GL_PROXY_TEXTURE_3D
:
1497 return _mesa_is_desktop_gl(ctx
);
1498 case GL_TEXTURE_2D_ARRAY_EXT
:
1499 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1500 || _mesa_is_gles3(ctx
);
1501 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1502 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1503 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1504 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1505 return _mesa_has_texture_cube_map_array(ctx
);
1510 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1517 * Check if the given texture target value is legal for a
1518 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1519 * The difference compared to legal_teximage_target() above is that
1520 * proxy targets are not supported.
1523 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1528 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1533 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1534 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1535 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1536 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1537 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1538 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1539 return ctx
->Extensions
.ARB_texture_cube_map
;
1540 case GL_TEXTURE_RECTANGLE_NV
:
1541 return _mesa_is_desktop_gl(ctx
)
1542 && ctx
->Extensions
.NV_texture_rectangle
;
1543 case GL_TEXTURE_1D_ARRAY_EXT
:
1544 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1552 case GL_TEXTURE_2D_ARRAY_EXT
:
1553 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1554 || _mesa_is_gles3(ctx
);
1555 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1556 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1557 return _mesa_has_texture_cube_map_array(ctx
);
1559 /* Table 8.15 of the OpenGL 4.5 core profile spec
1560 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1561 * and CopyTextureSubImage3D.
1563 case GL_TEXTURE_CUBE_MAP
:
1569 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1577 * Helper function to determine if a texture object is mutable (in terms
1578 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1581 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1583 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1587 if (texObj
->HandleAllocated
) {
1588 /* The ARB_bindless_texture spec says:
1590 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1591 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1592 * functions defined in terms of these, if the texture object to be
1593 * modified is referenced by one or more texture or image handles."
1598 return !texObj
->Immutable
;
1603 * Return expected size of a compressed texture.
1606 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1609 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1610 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1614 * Verify that a texture format is valid with a particular target
1616 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1617 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1620 * \param ctx GL context
1621 * \param target Texture target
1622 * \param internalFormat Internal format of the texture image
1624 * \returns true if the combination is legal, false otherwise.
1627 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1628 GLenum target
, GLenum internalFormat
)
1630 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1631 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1632 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1633 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1634 * Profile spec says:
1636 * "Textures with a base internal format of DEPTH_COMPONENT or
1637 * DEPTH_STENCIL are supported by texture image specification
1638 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1639 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1640 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1641 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1642 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1643 * formats in conjunction with any other target will result in an
1644 * INVALID_OPERATION error."
1646 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1647 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1649 if (target
!= GL_TEXTURE_1D
&&
1650 target
!= GL_PROXY_TEXTURE_1D
&&
1651 target
!= GL_TEXTURE_2D
&&
1652 target
!= GL_PROXY_TEXTURE_2D
&&
1653 target
!= GL_TEXTURE_1D_ARRAY
&&
1654 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1655 target
!= GL_TEXTURE_2D_ARRAY
&&
1656 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1657 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1658 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1659 !((_mesa_is_cube_face(target
) ||
1660 target
== GL_TEXTURE_CUBE_MAP
||
1661 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1662 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1663 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1664 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1665 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1666 _mesa_has_texture_cube_map_array(ctx
))) {
1675 texture_formats_agree(GLenum internalFormat
,
1678 GLboolean colorFormat
;
1679 GLboolean is_format_depth_or_depthstencil
;
1680 GLboolean is_internalFormat_depth_or_depthstencil
;
1682 /* Even though there are no color-index textures, we still have to support
1683 * uploading color-index data and remapping it to RGB via the
1684 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1686 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1688 is_internalFormat_depth_or_depthstencil
=
1689 _mesa_is_depth_format(internalFormat
) ||
1690 _mesa_is_depthstencil_format(internalFormat
);
1692 is_format_depth_or_depthstencil
=
1693 _mesa_is_depth_format(format
) ||
1694 _mesa_is_depthstencil_format(format
);
1696 colorFormat
= _mesa_is_color_format(format
);
1698 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1701 if (is_internalFormat_depth_or_depthstencil
!=
1702 is_format_depth_or_depthstencil
)
1705 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1712 * Test the combination of format, type and internal format arguments of
1713 * different texture operations on GLES.
1715 * \param ctx GL context.
1716 * \param format pixel data format given by the user.
1717 * \param type pixel data type given by the user.
1718 * \param internalFormat internal format given by the user.
1719 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1720 * \param callerName name of the caller function to print in the error message
1722 * \return true if a error is found, false otherwise
1724 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1727 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1728 GLenum type
, GLenum internalFormat
,
1729 GLuint dimensions
, const char *callerName
)
1733 if (_mesa_is_gles3(ctx
)) {
1734 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
1736 if (err
!= GL_NO_ERROR
) {
1737 _mesa_error(ctx
, err
,
1738 "%s(format = %s, type = %s, internalformat = %s)",
1739 callerName
, _mesa_enum_to_string(format
),
1740 _mesa_enum_to_string(type
),
1741 _mesa_enum_to_string(internalFormat
));
1746 err
= _mesa_es_error_check_format_and_type(ctx
, format
, type
, dimensions
);
1747 if (err
!= GL_NO_ERROR
) {
1748 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
1749 callerName
, _mesa_enum_to_string(format
),
1750 _mesa_enum_to_string(type
));
1759 * Test the glTexImage[123]D() parameters for errors.
1761 * \param ctx GL context.
1762 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1763 * \param target texture target given by the user (already validated).
1764 * \param level image level given by the user.
1765 * \param internalFormat internal format given by the user.
1766 * \param format pixel data format given by the user.
1767 * \param type pixel data type given by the user.
1768 * \param width image width given by the user.
1769 * \param height image height given by the user.
1770 * \param depth image depth given by the user.
1771 * \param border image border given by the user.
1773 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1775 * Verifies each of the parameters against the constants specified in
1776 * __struct gl_contextRec::Const and the supported extensions, and according
1777 * to the OpenGL specification.
1778 * Note that we don't fully error-check the width, height, depth values
1779 * here. That's done in _mesa_legal_texture_dimensions() which is used
1780 * by several other GL entrypoints. Plus, texture dims have a special
1781 * interaction with proxy textures.
1784 texture_error_check( struct gl_context
*ctx
,
1785 GLuint dimensions
, GLenum target
,
1786 GLint level
, GLint internalFormat
,
1787 GLenum format
, GLenum type
,
1788 GLint width
, GLint height
,
1789 GLint depth
, GLint border
,
1790 const GLvoid
*pixels
)
1794 /* Note: for proxy textures, some error conditions immediately generate
1795 * a GL error in the usual way. But others do not generate a GL error.
1796 * Instead, they cause the width, height, depth, format fields of the
1797 * texture image to be zeroed-out. The GL spec seems to indicate that the
1798 * zero-out behaviour is only used in cases related to memory allocation.
1802 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1803 _mesa_error(ctx
, GL_INVALID_VALUE
,
1804 "glTexImage%dD(level=%d)", dimensions
, level
);
1809 if (border
< 0 || border
> 1 ||
1810 ((ctx
->API
!= API_OPENGL_COMPAT
||
1811 target
== GL_TEXTURE_RECTANGLE_NV
||
1812 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1813 _mesa_error(ctx
, GL_INVALID_VALUE
,
1814 "glTexImage%dD(border=%d)", dimensions
, border
);
1818 if (width
< 0 || height
< 0 || depth
< 0) {
1819 _mesa_error(ctx
, GL_INVALID_VALUE
,
1820 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1824 /* Check incoming image format and type */
1825 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1826 if (err
!= GL_NO_ERROR
) {
1827 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1828 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1830 * "Specifying a value for internalformat that is not one of the
1831 * above (acceptable) values generates the error INVALID VALUE."
1833 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1834 err
= GL_INVALID_VALUE
;
1836 _mesa_error(ctx
, err
,
1837 "glTexImage%dD(incompatible format = %s, type = %s)",
1838 dimensions
, _mesa_enum_to_string(format
),
1839 _mesa_enum_to_string(type
));
1843 /* Check internalFormat */
1844 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1845 _mesa_error(ctx
, GL_INVALID_VALUE
,
1846 "glTexImage%dD(internalFormat=%s)",
1847 dimensions
, _mesa_enum_to_string(internalFormat
));
1851 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1852 * combinations of format, internalFormat, and type that can be used.
1853 * Formats and types that require additional extensions (e.g., GL_FLOAT
1854 * requires GL_OES_texture_float) are filtered elsewhere.
1856 if (_mesa_is_gles(ctx
) &&
1857 texture_format_error_check_gles(ctx
, format
, type
, internalFormat
,
1858 dimensions
, "glTexImage%dD")) {
1862 /* validate the bound PBO, if any */
1863 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1864 width
, height
, depth
, format
, type
,
1865 INT_MAX
, pixels
, "glTexImage")) {
1869 /* make sure internal format and format basically agree */
1870 if (!texture_formats_agree(internalFormat
, format
)) {
1871 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1872 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1873 dimensions
, _mesa_enum_to_string(internalFormat
),
1874 _mesa_enum_to_string(format
));
1878 /* additional checks for ycbcr textures */
1879 if (internalFormat
== GL_YCBCR_MESA
) {
1880 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1881 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1882 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1884 _mesa_snprintf(message
, sizeof(message
),
1885 "glTexImage%dD(format/type YCBCR mismatch)",
1887 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1888 return GL_TRUE
; /* error */
1890 if (target
!= GL_TEXTURE_2D
&&
1891 target
!= GL_PROXY_TEXTURE_2D
&&
1892 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1893 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1894 _mesa_error(ctx
, GL_INVALID_ENUM
,
1895 "glTexImage%dD(bad target for YCbCr texture)",
1901 _mesa_snprintf(message
, sizeof(message
),
1902 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1903 dimensions
, border
);
1904 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1909 /* additional checks for depth textures */
1910 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1911 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1912 "glTexImage%dD(bad target for texture)", dimensions
);
1916 /* additional checks for compressed textures */
1917 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1919 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1920 _mesa_error(ctx
, err
,
1921 "glTexImage%dD(target can't be compressed)", dimensions
);
1924 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
1925 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1926 "glTexImage%dD(no compression for format)", dimensions
);
1930 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1931 "glTexImage%dD(border!=0)", dimensions
);
1936 /* additional checks for integer textures */
1937 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1938 (_mesa_is_enum_format_integer(format
) !=
1939 _mesa_is_enum_format_integer(internalFormat
))) {
1940 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1941 "glTexImage%dD(integer/non-integer format mismatch)",
1946 if (!mutable_tex_object(ctx
, target
)) {
1947 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1948 "glTexImage%dD(immutable texture)", dimensions
);
1952 /* if we get here, the parameters are OK */
1958 * Error checking for glCompressedTexImage[123]D().
1959 * Note that the width, height and depth values are not fully error checked
1961 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1964 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
1965 GLenum target
, GLint level
,
1966 GLenum internalFormat
, GLsizei width
,
1967 GLsizei height
, GLsizei depth
, GLint border
,
1968 GLsizei imageSize
, const GLvoid
*data
)
1970 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
1972 GLenum error
= GL_NO_ERROR
;
1973 char *reason
= ""; /* no error */
1975 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
1980 /* This will detect any invalid internalFormat value */
1981 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
1982 _mesa_error(ctx
, GL_INVALID_ENUM
,
1983 "glCompressedTexImage%dD(internalFormat=%s)",
1984 dimensions
, _mesa_enum_to_string(internalFormat
));
1988 /* validate the bound PBO, if any */
1989 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
1991 "glCompressedTexImage")) {
1995 switch (internalFormat
) {
1996 case GL_PALETTE4_RGB8_OES
:
1997 case GL_PALETTE4_RGBA8_OES
:
1998 case GL_PALETTE4_R5_G6_B5_OES
:
1999 case GL_PALETTE4_RGBA4_OES
:
2000 case GL_PALETTE4_RGB5_A1_OES
:
2001 case GL_PALETTE8_RGB8_OES
:
2002 case GL_PALETTE8_RGBA8_OES
:
2003 case GL_PALETTE8_R5_G6_B5_OES
:
2004 case GL_PALETTE8_RGBA4_OES
:
2005 case GL_PALETTE8_RGB5_A1_OES
:
2006 /* check level (note that level should be zero or less!) */
2007 if (level
> 0 || level
< -maxLevels
) {
2009 error
= GL_INVALID_VALUE
;
2013 if (dimensions
!= 2) {
2014 reason
= "compressed paletted textures must be 2D";
2015 error
= GL_INVALID_OPERATION
;
2019 /* Figure out the expected texture size (in bytes). This will be
2020 * checked against the actual size later.
2022 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2025 /* This is for the benefit of the TestProxyTexImage below. It expects
2026 * level to be non-negative. OES_compressed_paletted_texture uses a
2027 * weird mechanism where the level specified to glCompressedTexImage2D
2028 * is -(n-1) number of levels in the texture, and the data specifies the
2029 * complete mipmap stack. This is done to ensure the palette is the
2030 * same for all levels.
2037 if (level
< 0 || level
>= maxLevels
) {
2039 error
= GL_INVALID_VALUE
;
2043 /* Figure out the expected texture size (in bytes). This will be
2044 * checked against the actual size later.
2046 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2050 /* This should really never fail */
2051 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2052 reason
= "internalFormat";
2053 error
= GL_INVALID_ENUM
;
2057 /* No compressed formats support borders at this time */
2059 reason
= "border != 0";
2060 error
= GL_INVALID_VALUE
;
2064 /* Check for invalid pixel storage modes */
2065 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2067 "glCompressedTexImage")) {
2071 /* check image size in bytes */
2072 if (expectedSize
!= imageSize
) {
2073 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2074 * if <imageSize> is not consistent with the format, dimensions, and
2075 * contents of the specified image.
2077 reason
= "imageSize inconsistent with width/height/format";
2078 error
= GL_INVALID_VALUE
;
2082 if (!mutable_tex_object(ctx
, target
)) {
2083 reason
= "immutable texture";
2084 error
= GL_INVALID_OPERATION
;
2091 /* Note: not all error paths exit through here. */
2092 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2093 dimensions
, reason
);
2100 * Test glTexSubImage[123]D() parameters for errors.
2102 * \param ctx GL context.
2103 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2104 * \param target texture target given by the user (already validated)
2105 * \param level image level given by the user.
2106 * \param xoffset sub-image x offset given by the user.
2107 * \param yoffset sub-image y offset given by the user.
2108 * \param zoffset sub-image z offset given by the user.
2109 * \param format pixel data format given by the user.
2110 * \param type pixel data type given by the user.
2111 * \param width image width given by the user.
2112 * \param height image height given by the user.
2113 * \param depth image depth given by the user.
2115 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2117 * Verifies each of the parameters against the constants specified in
2118 * __struct gl_contextRec::Const and the supported extensions, and according
2119 * to the OpenGL specification.
2122 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2123 struct gl_texture_object
*texObj
,
2124 GLenum target
, GLint level
,
2125 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2126 GLint width
, GLint height
, GLint depth
,
2127 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2128 bool dsa
, const char *callerName
)
2130 struct gl_texture_image
*texImage
;
2134 /* must be out of memory */
2135 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2140 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2141 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2145 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2146 width
, height
, depth
,
2151 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2153 /* non-existant texture level */
2154 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture image)",
2159 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2160 if (err
!= GL_NO_ERROR
) {
2161 _mesa_error(ctx
, err
,
2162 "%s(incompatible format = %s, type = %s)",
2163 callerName
, _mesa_enum_to_string(format
),
2164 _mesa_enum_to_string(type
));
2168 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2169 * combinations of format, internalFormat, and type that can be used.
2170 * Formats and types that require additional extensions (e.g., GL_FLOAT
2171 * requires GL_OES_texture_float) are filtered elsewhere.
2173 if (_mesa_is_gles(ctx
) &&
2174 texture_format_error_check_gles(ctx
, format
, type
,
2175 texImage
->InternalFormat
,
2176 dimensions
, callerName
)) {
2180 /* validate the bound PBO, if any */
2181 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2182 width
, height
, depth
, format
, type
,
2183 INT_MAX
, pixels
, callerName
)) {
2187 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2188 texImage
, xoffset
, yoffset
, zoffset
,
2189 width
, height
, depth
, callerName
)) {
2193 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2194 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2195 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2196 "%s(no compression for format)", callerName
);
2201 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2202 /* both source and dest must be integer-valued, or neither */
2203 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2204 _mesa_is_enum_format_integer(format
)) {
2205 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2206 "%s(integer/non-integer format mismatch)", callerName
);
2216 * Test glCopyTexImage[12]D() parameters for errors.
2218 * \param ctx GL context.
2219 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2220 * \param target texture target given by the user.
2221 * \param level image level given by the user.
2222 * \param internalFormat internal format given by the user.
2223 * \param width image width given by the user.
2224 * \param height image height given by the user.
2225 * \param border texture border.
2227 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2229 * Verifies each of the parameters against the constants specified in
2230 * __struct gl_contextRec::Const and the supported extensions, and according
2231 * to the OpenGL specification.
2234 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2235 GLenum target
, GLint level
, GLint internalFormat
,
2236 GLint width
, GLint height
, GLint border
)
2239 GLint rb_base_format
;
2240 struct gl_renderbuffer
*rb
;
2241 GLenum rb_internal_format
;
2244 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2245 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2246 dimensions
, _mesa_enum_to_string(target
));
2251 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2252 _mesa_error(ctx
, GL_INVALID_VALUE
,
2253 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2257 /* Check that the source buffer is complete */
2258 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2259 if (ctx
->ReadBuffer
->_Status
== 0) {
2260 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2262 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2263 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2264 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2268 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2269 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2270 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2276 if (border
< 0 || border
> 1 ||
2277 ((ctx
->API
!= API_OPENGL_COMPAT
||
2278 target
== GL_TEXTURE_RECTANGLE_NV
||
2279 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2280 _mesa_error(ctx
, GL_INVALID_VALUE
,
2281 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2285 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2288 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2289 switch (internalFormat
) {
2294 case GL_LUMINANCE_ALPHA
:
2297 _mesa_error(ctx
, GL_INVALID_ENUM
,
2298 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2299 _mesa_enum_to_string(internalFormat
));
2304 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2305 * OpenGL 4.5 (Compatibility Profile) spec says:
2307 * "Parameters level, internalformat, and border are specified using
2308 * the same values, with the same meanings, as the corresponding
2309 * arguments of TexImage2D, except that internalformat may not be
2310 * specified as 1, 2, 3, or 4."
2312 if (internalFormat
>= 1 && internalFormat
<= 4) {
2313 _mesa_error(ctx
, GL_INVALID_ENUM
,
2314 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2320 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2321 if (baseFormat
< 0) {
2322 _mesa_error(ctx
, GL_INVALID_ENUM
,
2323 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2324 _mesa_enum_to_string(internalFormat
));
2328 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2330 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2331 "glCopyTexImage%dD(read buffer)", dimensions
);
2335 rb_internal_format
= rb
->InternalFormat
;
2336 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2337 if (_mesa_is_color_format(internalFormat
)) {
2338 if (rb_base_format
< 0) {
2339 _mesa_error(ctx
, GL_INVALID_VALUE
,
2340 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2341 _mesa_enum_to_string(internalFormat
));
2346 if (_mesa_is_gles(ctx
)) {
2348 if (_mesa_base_format_component_count(baseFormat
) >
2349 _mesa_base_format_component_count(rb_base_format
)) {
2352 if (baseFormat
== GL_DEPTH_COMPONENT
||
2353 baseFormat
== GL_DEPTH_STENCIL
||
2354 baseFormat
== GL_STENCIL_INDEX
||
2355 rb_base_format
== GL_DEPTH_COMPONENT
||
2356 rb_base_format
== GL_DEPTH_STENCIL
||
2357 rb_base_format
== GL_STENCIL_INDEX
||
2358 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2359 baseFormat
== GL_ALPHA
) &&
2360 rb_base_format
!= GL_RGBA
) ||
2361 internalFormat
== GL_RGB9_E5
) {
2364 if (internalFormat
== GL_RGB9_E5
) {
2368 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2369 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2370 _mesa_enum_to_string(internalFormat
));
2375 if (_mesa_is_gles3(ctx
)) {
2376 bool rb_is_srgb
= false;
2377 bool dst_is_srgb
= false;
2379 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2380 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2384 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2388 if (rb_is_srgb
!= dst_is_srgb
) {
2389 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2390 * OpenGLES 3.0.0 spec says:
2392 * "The error INVALID_OPERATION is also generated if the
2393 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2394 * framebuffer attachment corresponding to the read buffer
2395 * is LINEAR (see section 6.1.13) and internalformat is
2396 * one of the sRGB formats described in section 3.8.16, or
2397 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2398 * SRGB and internalformat is not one of the sRGB formats."
2400 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2401 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2405 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2406 * types for SNORM formats. Also, conversion to SNORM formats is not
2407 * allowed by Table 3.2 on Page 110.
2409 if (_mesa_is_enum_format_snorm(internalFormat
)) {
2410 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2411 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2412 _mesa_enum_to_string(internalFormat
));
2417 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2418 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2419 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2423 /* From the EXT_texture_integer spec:
2425 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2426 * if the texture internalformat is an integer format and the read color
2427 * buffer is not an integer format, or if the internalformat is not an
2428 * integer format and the read color buffer is an integer format."
2430 if (_mesa_is_color_format(internalFormat
)) {
2431 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2432 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2433 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2434 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2435 if (is_int
|| is_rbint
) {
2436 if (is_int
!= is_rbint
) {
2437 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2438 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2440 } else if (_mesa_is_gles(ctx
) &&
2441 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2442 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2443 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2444 "glCopyTexImage%dD(signed vs unsigned integer)", dimensions
);
2449 /* From page 138 of OpenGL ES 3.0 spec:
2450 * "The error INVALID_OPERATION is generated if floating-point RGBA
2451 * data is required; if signed integer RGBA data is required and the
2452 * format of the current color buffer is not signed integer; if
2453 * unsigned integer RGBA data is required and the format of the
2454 * current color buffer is not unsigned integer; or if fixed-point
2455 * RGBA data is required and the format of the current color buffer
2456 * is not fixed-point.
2458 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2459 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2460 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2463 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2465 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2466 _mesa_error(ctx
, err
,
2467 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2470 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
2471 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2472 "glCopyTexImage%dD(no compression for format)", dimensions
);
2476 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2477 "glCopyTexImage%dD(border!=0)", dimensions
);
2482 if (!mutable_tex_object(ctx
, target
)) {
2483 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2484 "glCopyTexImage%dD(immutable texture)", dimensions
);
2488 /* if we get here, the parameters are OK */
2494 * Test glCopyTexSubImage[12]D() parameters for errors.
2495 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2498 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2499 const struct gl_texture_object
*texObj
,
2500 GLenum target
, GLint level
,
2501 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2502 GLint width
, GLint height
, const char *caller
)
2506 struct gl_texture_image
*texImage
;
2508 /* Check that the source buffer is complete */
2509 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2510 if (ctx
->ReadBuffer
->_Status
== 0) {
2511 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2513 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2514 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2515 "%s(invalid readbuffer)", caller
);
2519 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2520 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2521 "%s(multisample FBO)", caller
);
2527 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2528 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2532 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2534 /* destination image does not exist */
2535 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2536 "%s(invalid texture image)", caller
);
2540 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2541 width
, height
, 1, caller
)) {
2545 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2546 xoffset
, yoffset
, zoffset
,
2547 width
, height
, 1, caller
)) {
2551 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2552 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2553 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2554 "%s(no compression for format)", caller
);
2559 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2560 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2564 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2565 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2566 "%s(missing readbuffer, format=%s)", caller
,
2567 _mesa_enum_to_string(texImage
->_BaseFormat
));
2571 /* From the EXT_texture_integer spec:
2573 * "INVALID_OPERATION is generated by CopyTexImage* and
2574 * CopyTexSubImage* if the texture internalformat is an integer format
2575 * and the read color buffer is not an integer format, or if the
2576 * internalformat is not an integer format and the read color buffer
2577 * is an integer format."
2579 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2580 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2582 if (_mesa_is_format_integer_color(rb
->Format
) !=
2583 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2584 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2585 "%s(integer vs non-integer)", caller
);
2590 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2591 * framebuffer/destination texture base internal format combinations),
2592 * all the entries for stencil are left blank (unsupported).
2594 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2595 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2599 /* if we get here, the parameters are OK */
2604 /** Callback info for walking over FBO hash table */
2607 struct gl_context
*ctx
;
2608 struct gl_texture_object
*texObj
;
2614 * Check render to texture callback. Called from _mesa_HashWalk().
2617 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2619 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2620 const struct cb_info
*info
= (struct cb_info
*) userData
;
2621 struct gl_context
*ctx
= info
->ctx
;
2622 const struct gl_texture_object
*texObj
= info
->texObj
;
2623 const GLuint level
= info
->level
, face
= info
->face
;
2625 /* If this is a user-created FBO */
2626 if (_mesa_is_user_fbo(fb
)) {
2628 /* check if any of the FBO's attachments point to 'texObj' */
2629 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2630 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2631 if (att
->Type
== GL_TEXTURE
&&
2632 att
->Texture
== texObj
&&
2633 att
->TextureLevel
== level
&&
2634 att
->CubeMapFace
== face
) {
2635 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2636 assert(att
->Renderbuffer
->TexImage
);
2637 /* Mark fb status as indeterminate to force re-validation */
2640 /* Make sure that the revalidation actually happens if this is
2641 * being done to currently-bound buffers.
2643 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2644 ctx
->NewState
|= _NEW_BUFFERS
;
2652 * When a texture image is specified we have to check if it's bound to
2653 * any framebuffer objects (render to texture) in order to detect changes
2654 * in size or format since that effects FBO completeness.
2655 * Any FBOs rendering into the texture must be re-validated.
2658 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2659 struct gl_texture_object
*texObj
,
2660 GLuint face
, GLuint level
)
2662 /* Only check this texture if it's been marked as RenderToTexture */
2663 if (texObj
->_RenderToTexture
) {
2664 struct cb_info info
;
2666 info
.texObj
= texObj
;
2669 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2675 * If the texture object's GenerateMipmap flag is set and we've
2676 * changed the texture base level image, regenerate the rest of the
2677 * mipmap levels now.
2680 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2681 struct gl_texture_object
*texObj
, GLint level
)
2683 if (texObj
->GenerateMipmap
&&
2684 level
== texObj
->BaseLevel
&&
2685 level
< texObj
->MaxLevel
) {
2686 assert(ctx
->Driver
.GenerateMipmap
);
2687 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2692 /** Debug helper: override the user-requested internal format */
2694 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2697 if (internalFormat
== GL_RGBA16F_ARB
||
2698 internalFormat
== GL_RGBA32F_ARB
) {
2699 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2702 else if (internalFormat
== GL_RGB16F_ARB
||
2703 internalFormat
== GL_RGB32F_ARB
) {
2704 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2707 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2708 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2709 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2710 return GL_LUMINANCE_ALPHA
;
2712 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2713 internalFormat
== GL_LUMINANCE32F_ARB
) {
2714 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2715 return GL_LUMINANCE
;
2717 else if (internalFormat
== GL_ALPHA16F_ARB
||
2718 internalFormat
== GL_ALPHA32F_ARB
) {
2719 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2723 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2724 internalFormat = GL_RGBA;
2728 return internalFormat
;
2731 return internalFormat
;
2737 * Choose the actual hardware format for a texture image.
2738 * Try to use the same format as the previous image level when possible.
2739 * Otherwise, ask the driver for the best format.
2740 * It's important to try to choose a consistant format for all levels
2741 * for efficient texture memory layout/allocation. In particular, this
2742 * comes up during automatic mipmap generation.
2745 _mesa_choose_texture_format(struct gl_context
*ctx
,
2746 struct gl_texture_object
*texObj
,
2747 GLenum target
, GLint level
,
2748 GLenum internalFormat
, GLenum format
, GLenum type
)
2752 /* see if we've already chosen a format for the previous level */
2754 struct gl_texture_image
*prevImage
=
2755 _mesa_select_tex_image(texObj
, target
, level
- 1);
2756 /* See if the prev level is defined and has an internal format which
2757 * matches the new internal format.
2760 prevImage
->Width
> 0 &&
2761 prevImage
->InternalFormat
== internalFormat
) {
2762 /* use the same format */
2763 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2764 return prevImage
->TexFormat
;
2768 /* If the application requested compression to an S3TC format but we don't
2769 * have the DXTn library, force a generic compressed format instead.
2771 if (internalFormat
!= format
&& format
!= GL_NONE
) {
2772 const GLenum before
= internalFormat
;
2774 switch (internalFormat
) {
2775 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
2776 if (!ctx
->Mesa_DXTn
)
2777 internalFormat
= GL_COMPRESSED_RGB
;
2779 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
2780 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
2781 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
2782 if (!ctx
->Mesa_DXTn
)
2783 internalFormat
= GL_COMPRESSED_RGBA
;
2789 if (before
!= internalFormat
) {
2791 "DXT compression requested (%s), "
2792 "but libtxc_dxtn library not installed. Using %s "
2794 _mesa_enum_to_string(before
),
2795 _mesa_enum_to_string(internalFormat
));
2799 /* choose format from scratch */
2800 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2802 assert(f
!= MESA_FORMAT_NONE
);
2808 * Adjust pixel unpack params and image dimensions to strip off the
2809 * one-pixel texture border.
2811 * Gallium and intel don't support texture borders. They've seldem been used
2812 * and seldom been implemented correctly anyway.
2814 * \param unpackNew returns the new pixel unpack parameters
2817 strip_texture_border(GLenum target
,
2818 GLint
*width
, GLint
*height
, GLint
*depth
,
2819 const struct gl_pixelstore_attrib
*unpack
,
2820 struct gl_pixelstore_attrib
*unpackNew
)
2826 *unpackNew
= *unpack
;
2828 if (unpackNew
->RowLength
== 0)
2829 unpackNew
->RowLength
= *width
;
2831 if (unpackNew
->ImageHeight
== 0)
2832 unpackNew
->ImageHeight
= *height
;
2834 assert(*width
>= 3);
2835 unpackNew
->SkipPixels
++; /* skip the border */
2836 *width
= *width
- 2; /* reduce the width by two border pixels */
2838 /* The min height of a texture with a border is 3 */
2839 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2840 unpackNew
->SkipRows
++; /* skip the border */
2841 *height
= *height
- 2; /* reduce the height by two border pixels */
2845 target
!= GL_TEXTURE_2D_ARRAY
&&
2846 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2847 unpackNew
->SkipImages
++; /* skip the border */
2848 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2854 * Common code to implement all the glTexImage1D/2D/3D functions
2855 * as well as glCompressedTexImage1D/2D/3D.
2856 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2857 * \param format the user's image format (only used if !compressed)
2858 * \param type the user's image type (only used if !compressed)
2859 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2861 static ALWAYS_INLINE
void
2862 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2863 GLenum target
, GLint level
, GLint internalFormat
,
2864 GLsizei width
, GLsizei height
, GLsizei depth
,
2865 GLint border
, GLenum format
, GLenum type
,
2866 GLsizei imageSize
, const GLvoid
*pixels
, bool no_error
)
2868 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2869 struct gl_pixelstore_attrib unpack_no_border
;
2870 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2871 struct gl_texture_object
*texObj
;
2872 mesa_format texFormat
;
2873 bool dimensionsOK
= true, sizeOK
= true;
2875 FLUSH_VERTICES(ctx
, 0);
2877 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2880 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2882 _mesa_enum_to_string(target
), level
,
2883 _mesa_enum_to_string(internalFormat
),
2884 width
, height
, depth
, border
, pixels
);
2887 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2889 _mesa_enum_to_string(target
), level
,
2890 _mesa_enum_to_string(internalFormat
),
2891 width
, height
, depth
, border
,
2892 _mesa_enum_to_string(format
),
2893 _mesa_enum_to_string(type
), pixels
);
2896 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2899 /* target error checking */
2900 if (!legal_teximage_target(ctx
, dims
, target
)) {
2901 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2902 func
, dims
, _mesa_enum_to_string(target
));
2906 /* general error checking */
2908 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
2910 width
, height
, depth
,
2911 border
, imageSize
, pixels
))
2914 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2915 format
, type
, width
, height
, depth
, border
,
2921 /* Here we convert a cpal compressed image into a regular glTexImage2D
2922 * call by decompressing the texture. If we really want to support cpal
2923 * textures in any driver this would have to be changed.
2925 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
2926 switch (internalFormat
) {
2927 case GL_PALETTE4_RGB8_OES
:
2928 case GL_PALETTE4_RGBA8_OES
:
2929 case GL_PALETTE4_R5_G6_B5_OES
:
2930 case GL_PALETTE4_RGBA4_OES
:
2931 case GL_PALETTE4_RGB5_A1_OES
:
2932 case GL_PALETTE8_RGB8_OES
:
2933 case GL_PALETTE8_RGBA8_OES
:
2934 case GL_PALETTE8_R5_G6_B5_OES
:
2935 case GL_PALETTE8_RGBA4_OES
:
2936 case GL_PALETTE8_RGB5_A1_OES
:
2937 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
2938 width
, height
, imageSize
, pixels
);
2943 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2947 /* For glCompressedTexImage() the driver has no choice about the
2948 * texture format since we'll never transcode the user's compressed
2949 * image data. The internalFormat was error checked earlier.
2951 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
2954 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
2955 * internal floating point format for the given base format.
2957 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
2958 if (type
== GL_FLOAT
) {
2959 texObj
->_IsFloat
= GL_TRUE
;
2960 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
2961 texObj
->_IsHalfFloat
= GL_TRUE
;
2964 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
2967 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2968 internalFormat
, format
, type
);
2971 assert(texFormat
!= MESA_FORMAT_NONE
);
2974 /* check that width, height, depth are legal for the mipmap level */
2975 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
2976 height
, depth
, border
);
2978 /* check that the texture won't take too much memory, etc */
2979 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
2980 0, level
, texFormat
, 1,
2981 width
, height
, depth
);
2984 if (_mesa_is_proxy_texture(target
)) {
2985 /* Proxy texture: just clear or set state depending on error checking */
2986 struct gl_texture_image
*texImage
=
2987 get_proxy_tex_image(ctx
, target
, level
);
2990 return; /* GL_OUT_OF_MEMORY already recorded */
2992 if (dimensionsOK
&& sizeOK
) {
2993 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
2994 border
, internalFormat
, texFormat
);
2997 clear_teximage_fields(texImage
);
3001 /* non-proxy target */
3002 const GLuint face
= _mesa_tex_target_to_face(target
);
3003 struct gl_texture_image
*texImage
;
3005 if (!dimensionsOK
) {
3006 _mesa_error(ctx
, GL_INVALID_VALUE
,
3007 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3008 func
, dims
, width
, height
, depth
);
3013 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3014 "%s%uD(image too large: %d x %d x %d, %s format)",
3015 func
, dims
, width
, height
, depth
,
3016 _mesa_enum_to_string(internalFormat
));
3020 /* Allow a hardware driver to just strip out the border, to provide
3021 * reliable but slightly incorrect hardware rendering instead of
3022 * rarely-tested software fallback rendering.
3024 if (border
&& ctx
->Const
.StripTextureBorder
) {
3025 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3028 unpack
= &unpack_no_border
;
3031 if (ctx
->NewState
& _NEW_PIXEL
)
3032 _mesa_update_state(ctx
);
3034 _mesa_lock_texture(ctx
, texObj
);
3036 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3039 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3042 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3044 _mesa_init_teximage_fields(ctx
, texImage
,
3045 width
, height
, depth
,
3046 border
, internalFormat
, texFormat
);
3048 /* Give the texture to the driver. <pixels> may be null. */
3049 if (width
> 0 && height
> 0 && depth
> 0) {
3051 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3055 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3056 type
, pixels
, unpack
);
3060 check_gen_mipmap(ctx
, target
, texObj
, level
);
3062 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3064 _mesa_dirty_texobj(ctx
, texObj
);
3067 _mesa_unlock_texture(ctx
, texObj
);
3071 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3072 * logic to be inlined without inlining the function into all the callers.
3075 teximage_err(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3076 GLenum target
, GLint level
, GLint internalFormat
,
3077 GLsizei width
, GLsizei height
, GLsizei depth
,
3078 GLint border
, GLenum format
, GLenum type
,
3079 GLsizei imageSize
, const GLvoid
*pixels
)
3081 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3082 depth
, border
, format
, type
, imageSize
, pixels
, false);
3087 teximage_no_error(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3088 GLenum target
, GLint level
, GLint internalFormat
,
3089 GLsizei width
, GLsizei height
, GLsizei depth
,
3090 GLint border
, GLenum format
, GLenum type
,
3091 GLsizei imageSize
, const GLvoid
*pixels
)
3093 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3094 depth
, border
, format
, type
, imageSize
, pixels
, true);
3099 * Called from the API. Note that width includes the border.
3102 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3103 GLsizei width
, GLint border
, GLenum format
,
3104 GLenum type
, const GLvoid
*pixels
)
3106 GET_CURRENT_CONTEXT(ctx
);
3107 teximage_err(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3108 border
, format
, type
, 0, pixels
);
3113 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3114 GLsizei width
, GLsizei height
, GLint border
,
3115 GLenum format
, GLenum type
,
3116 const GLvoid
*pixels
)
3118 GET_CURRENT_CONTEXT(ctx
);
3119 teximage_err(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3120 border
, format
, type
, 0, pixels
);
3125 * Called by the API or display list executor.
3126 * Note that width and height include the border.
3129 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3130 GLsizei width
, GLsizei height
, GLsizei depth
,
3131 GLint border
, GLenum format
, GLenum type
,
3132 const GLvoid
*pixels
)
3134 GET_CURRENT_CONTEXT(ctx
);
3135 teximage_err(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3136 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3141 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3142 GLsizei width
, GLsizei height
, GLsizei depth
,
3143 GLint border
, GLenum format
, GLenum type
,
3144 const GLvoid
*pixels
)
3146 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3147 depth
, border
, format
, type
, pixels
);
3152 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3153 GLsizei width
, GLint border
, GLenum format
,
3154 GLenum type
, const GLvoid
*pixels
)
3156 GET_CURRENT_CONTEXT(ctx
);
3157 teximage_no_error(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1,
3158 1, border
, format
, type
, 0, pixels
);
3163 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3164 GLsizei width
, GLsizei height
, GLint border
,
3165 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3167 GET_CURRENT_CONTEXT(ctx
);
3168 teximage_no_error(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
,
3169 height
, 1, border
, format
, type
, 0, pixels
);
3174 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3175 GLsizei width
, GLsizei height
, GLsizei depth
,
3176 GLint border
, GLenum format
, GLenum type
,
3177 const GLvoid
*pixels
)
3179 GET_CURRENT_CONTEXT(ctx
);
3180 teximage_no_error(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3181 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3186 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3188 struct gl_texture_object
*texObj
;
3189 struct gl_texture_image
*texImage
;
3191 GET_CURRENT_CONTEXT(ctx
);
3192 FLUSH_VERTICES(ctx
, 0);
3196 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3198 case GL_TEXTURE_EXTERNAL_OES
:
3200 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3203 valid_target
= false;
3207 if (!valid_target
) {
3208 _mesa_error(ctx
, GL_INVALID_ENUM
,
3209 "glEGLImageTargetTexture2D(target=%d)", target
);
3214 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3215 "glEGLImageTargetTexture2D(image=%p)", image
);
3219 if (ctx
->NewState
& _NEW_PIXEL
)
3220 _mesa_update_state(ctx
);
3222 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3226 _mesa_lock_texture(ctx
, texObj
);
3228 if (texObj
->Immutable
) {
3229 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3230 "glEGLImageTargetTexture2D(texture is immutable)");
3231 _mesa_unlock_texture(ctx
, texObj
);
3235 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3237 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3239 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3241 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3242 texObj
, texImage
, image
);
3244 _mesa_dirty_texobj(ctx
, texObj
);
3246 _mesa_unlock_texture(ctx
, texObj
);
3251 * Helper that implements the glTexSubImage1/2/3D()
3252 * and glTextureSubImage1/2/3D() functions.
3255 texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3256 struct gl_texture_object
*texObj
,
3257 struct gl_texture_image
*texImage
,
3258 GLenum target
, GLint level
,
3259 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3260 GLsizei width
, GLsizei height
, GLsizei depth
,
3261 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3264 FLUSH_VERTICES(ctx
, 0);
3266 if (ctx
->NewState
& _NEW_PIXEL
)
3267 _mesa_update_state(ctx
);
3269 _mesa_lock_texture(ctx
, texObj
);
3271 if (width
> 0 && height
> 0 && depth
> 0) {
3272 /* If we have a border, offset=-1 is legal. Bias by border width. */
3275 if (target
!= GL_TEXTURE_2D_ARRAY
)
3276 zoffset
+= texImage
->Border
;
3279 if (target
!= GL_TEXTURE_1D_ARRAY
)
3280 yoffset
+= texImage
->Border
;
3283 xoffset
+= texImage
->Border
;
3286 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3287 xoffset
, yoffset
, zoffset
,
3288 width
, height
, depth
,
3289 format
, type
, pixels
, &ctx
->Unpack
);
3291 check_gen_mipmap(ctx
, target
, texObj
, level
);
3293 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3294 * the texel data, not the texture format, size, etc.
3298 _mesa_unlock_texture(ctx
, texObj
);
3302 * Implement all the glTexSubImage1/2/3D() functions.
3303 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3306 texsubimage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3307 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3308 GLsizei width
, GLsizei height
, GLsizei depth
,
3309 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3310 const char *callerName
)
3312 struct gl_texture_object
*texObj
;
3313 struct gl_texture_image
*texImage
;
3315 /* check target (proxies not allowed) */
3316 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3317 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3318 dims
, _mesa_enum_to_string(target
));
3322 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3326 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3327 xoffset
, yoffset
, zoffset
,
3328 width
, height
, depth
, format
, type
,
3329 pixels
, false, callerName
)) {
3330 return; /* error was detected */
3333 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3334 /* texsubimage_error_check ensures that texImage is not NULL */
3336 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3337 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3339 _mesa_enum_to_string(target
), level
,
3340 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3341 _mesa_enum_to_string(format
),
3342 _mesa_enum_to_string(type
), pixels
);
3344 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3345 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3346 format
, type
, pixels
, false);
3351 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3352 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3353 GLsizei width
, GLsizei height
, GLsizei depth
,
3354 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3356 struct gl_texture_object
*texObj
;
3357 struct gl_texture_image
*texImage
;
3359 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3360 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3362 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3363 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3364 format
, type
, pixels
, false);
3369 * Implement all the glTextureSubImage1/2/3D() functions.
3370 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3372 static ALWAYS_INLINE
void
3373 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3374 GLuint texture
, GLint level
,
3375 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3376 GLsizei width
, GLsizei height
, GLsizei depth
,
3377 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3378 const char *callerName
, bool no_error
)
3380 struct gl_texture_object
*texObj
;
3381 struct gl_texture_image
*texImage
;
3384 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3386 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3387 dims
, texture
, level
,
3388 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3389 _mesa_enum_to_string(format
),
3390 _mesa_enum_to_string(type
), pixels
);
3392 /* Get the texture object by Name. */
3394 texObj
= _mesa_lookup_texture_err(ctx
, texture
, callerName
);
3398 texObj
= _mesa_lookup_texture(ctx
, texture
);
3402 /* check target (proxies not allowed) */
3403 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3404 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3405 callerName
, _mesa_enum_to_string(texObj
->Target
));
3409 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3410 xoffset
, yoffset
, zoffset
,
3411 width
, height
, depth
, format
, type
,
3412 pixels
, true, callerName
)) {
3413 return; /* error was detected */
3417 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3418 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3422 * What do we do if the user created a texture with the following code
3423 * and then called this function with its handle?
3426 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3427 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3428 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3429 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3430 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3431 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3432 * // wrong format, or given the wrong size, etc.
3433 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3434 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3436 * A bug has been filed against the spec for this case. In the
3437 * meantime, we will check for cube completeness.
3439 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3440 * Core Profile spec (30.10.2014):
3441 * "[A] cube map texture is cube complete if the
3442 * following conditions all hold true: The [base level] texture
3443 * images of each of the six cube map faces have identical, positive,
3444 * and square dimensions. The [base level] images were each specified
3445 * with the same internal format."
3447 * It seems reasonable to check for cube completeness of an arbitrary
3448 * level here so that the image data has a consistent format and size.
3450 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
3451 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3452 "glTextureSubImage%uD(cube map incomplete)",
3457 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3459 /* Copy in each face. */
3460 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3461 texImage
= texObj
->Image
[i
][level
];
3464 texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3465 level
, xoffset
, yoffset
, 0,
3466 width
, height
, 1, format
,
3467 type
, pixels
, true);
3468 pixels
= (GLubyte
*) pixels
+ imageStride
;
3472 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3475 texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3476 level
, xoffset
, yoffset
, zoffset
,
3477 width
, height
, depth
, format
,
3478 type
, pixels
, true);
3484 texturesubimage_error(struct gl_context
*ctx
, GLuint dims
,
3485 GLuint texture
, GLint level
,
3486 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3487 GLsizei width
, GLsizei height
, GLsizei depth
,
3488 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3489 const char *callerName
)
3491 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3492 width
, height
, depth
, format
, type
, pixels
, callerName
,
3498 texturesubimage_no_error(struct gl_context
*ctx
, GLuint dims
,
3499 GLuint texture
, GLint level
,
3500 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3501 GLsizei width
, GLsizei height
, GLsizei depth
,
3502 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3503 const char *callerName
)
3505 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3506 width
, height
, depth
, format
, type
, pixels
, callerName
,
3512 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
,
3513 GLint xoffset
, GLsizei width
,
3514 GLenum format
, GLenum type
,
3515 const GLvoid
*pixels
)
3517 GET_CURRENT_CONTEXT(ctx
);
3518 texsubimage(ctx
, 1, target
, level
,
3521 format
, type
, pixels
);
3526 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3527 GLint xoffset
, GLsizei width
,
3528 GLenum format
, GLenum type
,
3529 const GLvoid
*pixels
)
3531 GET_CURRENT_CONTEXT(ctx
);
3532 texsubimage_err(ctx
, 1, target
, level
,
3535 format
, type
, pixels
, "glTexSubImage1D");
3540 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
3541 GLint xoffset
, GLint yoffset
,
3542 GLsizei width
, GLsizei height
,
3543 GLenum format
, GLenum type
,
3544 const GLvoid
*pixels
)
3546 GET_CURRENT_CONTEXT(ctx
);
3547 texsubimage(ctx
, 2, target
, level
,
3548 xoffset
, yoffset
, 0,
3550 format
, type
, pixels
);
3555 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3556 GLint xoffset
, GLint yoffset
,
3557 GLsizei width
, GLsizei height
,
3558 GLenum format
, GLenum type
,
3559 const GLvoid
*pixels
)
3561 GET_CURRENT_CONTEXT(ctx
);
3562 texsubimage_err(ctx
, 2, target
, level
,
3563 xoffset
, yoffset
, 0,
3565 format
, type
, pixels
, "glTexSubImage2D");
3570 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
3571 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3572 GLsizei width
, GLsizei height
, GLsizei depth
,
3573 GLenum format
, GLenum type
,
3574 const GLvoid
*pixels
)
3576 GET_CURRENT_CONTEXT(ctx
);
3577 texsubimage(ctx
, 3, target
, level
,
3578 xoffset
, yoffset
, zoffset
,
3579 width
, height
, depth
,
3580 format
, type
, pixels
);
3585 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3586 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3587 GLsizei width
, GLsizei height
, GLsizei depth
,
3588 GLenum format
, GLenum type
,
3589 const GLvoid
*pixels
)
3591 GET_CURRENT_CONTEXT(ctx
);
3592 texsubimage_err(ctx
, 3, target
, level
,
3593 xoffset
, yoffset
, zoffset
,
3594 width
, height
, depth
,
3595 format
, type
, pixels
, "glTexSubImage3D");
3600 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3601 GLsizei width
, GLenum format
, GLenum type
,
3602 const GLvoid
*pixels
)
3604 GET_CURRENT_CONTEXT(ctx
);
3605 texturesubimage_no_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3606 format
, type
, pixels
, "glTextureSubImage1D");
3611 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3612 GLint xoffset
, GLsizei width
,
3613 GLenum format
, GLenum type
,
3614 const GLvoid
*pixels
)
3616 GET_CURRENT_CONTEXT(ctx
);
3617 texturesubimage_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3618 format
, type
, pixels
, "glTextureSubImage1D");
3623 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3624 GLint yoffset
, GLsizei width
, GLsizei height
,
3625 GLenum format
, GLenum type
,
3626 const GLvoid
*pixels
)
3628 GET_CURRENT_CONTEXT(ctx
);
3629 texturesubimage_no_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3630 height
, 1, format
, type
, pixels
,
3631 "glTextureSubImage2D");
3636 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3637 GLint xoffset
, GLint yoffset
,
3638 GLsizei width
, GLsizei height
,
3639 GLenum format
, GLenum type
,
3640 const GLvoid
*pixels
)
3642 GET_CURRENT_CONTEXT(ctx
);
3643 texturesubimage_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3644 height
, 1, format
, type
, pixels
,
3645 "glTextureSubImage2D");
3650 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3651 GLint yoffset
, GLint zoffset
, GLsizei width
,
3652 GLsizei height
, GLsizei depth
, GLenum format
,
3653 GLenum type
, const GLvoid
*pixels
)
3655 GET_CURRENT_CONTEXT(ctx
);
3656 texturesubimage_no_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3657 width
, height
, depth
, format
, type
, pixels
,
3658 "glTextureSubImage3D");
3663 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3664 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3665 GLsizei width
, GLsizei height
, GLsizei depth
,
3666 GLenum format
, GLenum type
,
3667 const GLvoid
*pixels
)
3669 GET_CURRENT_CONTEXT(ctx
);
3670 texturesubimage_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3671 width
, height
, depth
, format
, type
, pixels
,
3672 "glTextureSubImage3D");
3677 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3678 * from. This depends on whether the texture contains color or depth values.
3680 static struct gl_renderbuffer
*
3681 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3683 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3684 /* reading from depth/stencil buffer */
3685 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3686 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3687 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3689 /* copying from color buffer */
3690 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3695 copytexsubimage_by_slice(struct gl_context
*ctx
,
3696 struct gl_texture_image
*texImage
,
3698 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3699 struct gl_renderbuffer
*rb
,
3701 GLsizei width
, GLsizei height
)
3703 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3706 /* For 1D arrays, we copy each scanline of the source rectangle into the
3709 assert(zoffset
== 0);
3711 for (slice
= 0; slice
< height
; slice
++) {
3712 assert(yoffset
+ slice
< texImage
->Height
);
3713 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3714 xoffset
, 0, yoffset
+ slice
,
3715 rb
, x
, y
+ slice
, width
, 1);
3718 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3719 xoffset
, yoffset
, zoffset
,
3720 rb
, x
, y
, width
, height
);
3725 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3727 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3728 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3729 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3730 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3732 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3733 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3734 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3735 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3737 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3738 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3739 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3740 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3748 * Check if the given texture format and size arguments match those
3749 * of the texture image.
3750 * \param return true if arguments match, false otherwise.
3753 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
3754 GLenum internalFormat
,
3755 mesa_format texFormat
, GLint x
, GLint y
, GLsizei width
,
3756 GLsizei height
, GLint border
)
3758 if (texImage
->InternalFormat
!= internalFormat
)
3760 if (texImage
->TexFormat
!= texFormat
)
3762 if (texImage
->Border
!= border
)
3764 if (texImage
->Width2
!= width
)
3766 if (texImage
->Height2
!= height
)
3773 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
3776 copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3777 struct gl_texture_object
*texObj
,
3778 GLenum target
, GLint level
,
3779 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3780 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3782 struct gl_texture_image
*texImage
;
3784 _mesa_lock_texture(ctx
, texObj
);
3786 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3788 /* If we have a border, offset=-1 is legal. Bias by border width. */
3791 if (target
!= GL_TEXTURE_2D_ARRAY
)
3792 zoffset
+= texImage
->Border
;
3795 if (target
!= GL_TEXTURE_1D_ARRAY
)
3796 yoffset
+= texImage
->Border
;
3799 xoffset
+= texImage
->Border
;
3802 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3804 struct gl_renderbuffer
*srcRb
=
3805 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3807 copytexsubimage_by_slice(ctx
, texImage
, dims
, xoffset
, yoffset
, zoffset
,
3808 srcRb
, x
, y
, width
, height
);
3810 check_gen_mipmap(ctx
, target
, texObj
, level
);
3812 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3813 * the texel data, not the texture format, size, etc.
3817 _mesa_unlock_texture(ctx
, texObj
);
3822 copy_texture_sub_image_err(struct gl_context
*ctx
, GLuint dims
,
3823 struct gl_texture_object
*texObj
,
3824 GLenum target
, GLint level
,
3825 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3826 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
3829 FLUSH_VERTICES(ctx
, 0);
3831 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3832 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
3833 _mesa_enum_to_string(target
),
3834 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3836 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3837 _mesa_update_state(ctx
);
3839 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3840 xoffset
, yoffset
, zoffset
,
3841 width
, height
, caller
)) {
3845 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3846 zoffset
, x
, y
, width
, height
);
3851 copy_texture_sub_image_no_error(struct gl_context
*ctx
, GLuint dims
,
3852 struct gl_texture_object
*texObj
,
3853 GLenum target
, GLint level
,
3854 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3855 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3857 FLUSH_VERTICES(ctx
, 0);
3859 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3860 _mesa_update_state(ctx
);
3862 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3863 zoffset
, x
, y
, width
, height
);
3868 * Implement the glCopyTexImage1/2D() functions.
3870 static ALWAYS_INLINE
void
3871 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3872 GLenum target
, GLint level
, GLenum internalFormat
,
3873 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
,
3876 struct gl_texture_image
*texImage
;
3877 struct gl_texture_object
*texObj
;
3878 mesa_format texFormat
;
3880 FLUSH_VERTICES(ctx
, 0);
3882 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3883 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3885 _mesa_enum_to_string(target
), level
,
3886 _mesa_enum_to_string(internalFormat
),
3887 x
, y
, width
, height
, border
);
3889 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3890 _mesa_update_state(ctx
);
3893 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3894 width
, height
, border
))
3897 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3899 _mesa_error(ctx
, GL_INVALID_VALUE
,
3900 "glCopyTexImage%uD(invalid width=%d or height=%d)",
3901 dims
, width
, height
);
3906 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3909 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3910 internalFormat
, GL_NONE
, GL_NONE
);
3912 /* First check if reallocating the texture buffer can be avoided.
3913 * Without the realloc the copy can be 20x faster.
3915 _mesa_lock_texture(ctx
, texObj
);
3917 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3918 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
3919 x
, y
, width
, height
, border
)) {
3920 _mesa_unlock_texture(ctx
, texObj
);
3922 copy_texture_sub_image_no_error(ctx
, dims
, texObj
, target
, level
, 0,
3923 0, 0, x
, y
, width
, height
);
3925 copy_texture_sub_image_err(ctx
, dims
, texObj
, target
, level
, 0, 0,
3926 0, x
, y
, width
, height
,"CopyTexImage");
3931 _mesa_unlock_texture(ctx
, texObj
);
3932 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
3933 "can't avoid reallocating texture storage\n");
3935 if (!no_error
&& _mesa_is_gles3(ctx
)) {
3936 struct gl_renderbuffer
*rb
=
3937 _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3939 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3940 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3941 * OpenGL ES 3.0. Khronos bug# 9807.
3943 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3944 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3945 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3946 " and writing to unsized internal format)", dims
);
3950 /* From Page 139 of OpenGL ES 3.0 spec:
3951 * "If internalformat is sized, the internal format of the new texel
3952 * array is internalformat, and this is also the new texel array’s
3953 * effective internal format. If the component sizes of internalformat
3954 * do not exactly match the corresponding component sizes of the source
3955 * buffer’s effective internal format, described below, an
3956 * INVALID_OPERATION error is generated. If internalformat is unsized,
3957 * the internal format of the new texel array is the effective internal
3958 * format of the source buffer, and this is also the new texel array’s
3959 * effective internal format.
3961 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3962 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3963 "glCopyTexImage%uD(componenet size changed in"
3964 " internal format)", dims
);
3969 assert(texFormat
!= MESA_FORMAT_NONE
);
3971 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3972 0, level
, texFormat
, 1,
3973 width
, height
, 1)) {
3974 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3975 "glCopyTexImage%uD(image too large)", dims
);
3979 if (border
&& ctx
->Const
.StripTextureBorder
) {
3981 width
-= border
* 2;
3984 height
-= border
* 2;
3989 _mesa_lock_texture(ctx
, texObj
);
3991 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3994 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
3997 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
3998 const GLuint face
= _mesa_tex_target_to_face(target
);
4000 /* Free old texture image */
4001 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4003 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4004 border
, internalFormat
, texFormat
);
4006 if (width
&& height
) {
4007 /* Allocate texture memory (no pixel data yet) */
4008 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4010 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4012 struct gl_renderbuffer
*srcRb
=
4013 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4015 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4017 srcRb
, srcX
, srcY
, width
, height
);
4020 check_gen_mipmap(ctx
, target
, texObj
, level
);
4023 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4025 _mesa_dirty_texobj(ctx
, texObj
);
4028 _mesa_unlock_texture(ctx
, texObj
);
4033 copyteximage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4034 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4035 GLsizei width
, GLsizei height
, GLint border
)
4037 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4042 copyteximage_no_error(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4043 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4044 GLsizei width
, GLsizei height
, GLint border
)
4046 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4052 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4053 GLenum internalFormat
,
4055 GLsizei width
, GLint border
)
4057 GET_CURRENT_CONTEXT(ctx
);
4058 copyteximage_err(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4065 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4066 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4069 GET_CURRENT_CONTEXT(ctx
);
4070 copyteximage_err(ctx
, 2, target
, level
, internalFormat
,
4071 x
, y
, width
, height
, border
);
4076 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4077 GLint x
, GLint y
, GLsizei width
, GLint border
)
4079 GET_CURRENT_CONTEXT(ctx
);
4080 copyteximage_no_error(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4086 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4087 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4090 GET_CURRENT_CONTEXT(ctx
);
4091 copyteximage_no_error(ctx
, 2, target
, level
, internalFormat
,
4092 x
, y
, width
, height
, border
);
4097 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
4098 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4100 struct gl_texture_object
* texObj
;
4101 const char *self
= "glCopyTexSubImage1D";
4102 GET_CURRENT_CONTEXT(ctx
);
4104 /* Check target (proxies not allowed). Target must be checked prior to
4105 * calling _mesa_get_current_tex_object.
4107 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4108 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4109 _mesa_enum_to_string(target
));
4113 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4117 copy_texture_sub_image_err(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4118 x
, y
, width
, 1, self
);
4122 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
4123 GLint xoffset
, GLint yoffset
,
4124 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4126 struct gl_texture_object
* texObj
;
4127 const char *self
= "glCopyTexSubImage2D";
4128 GET_CURRENT_CONTEXT(ctx
);
4130 /* Check target (proxies not allowed). Target must be checked prior to
4131 * calling _mesa_get_current_tex_object.
4133 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4134 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4135 _mesa_enum_to_string(target
));
4139 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4143 copy_texture_sub_image_err(ctx
, 2, texObj
, target
, level
, xoffset
, yoffset
,
4144 0, x
, y
, width
, height
, self
);
4150 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
4151 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4152 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4154 struct gl_texture_object
* texObj
;
4155 const char *self
= "glCopyTexSubImage3D";
4156 GET_CURRENT_CONTEXT(ctx
);
4158 /* Check target (proxies not allowed). Target must be checked prior to
4159 * calling _mesa_get_current_tex_object.
4161 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4162 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4163 _mesa_enum_to_string(target
));
4167 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4171 copy_texture_sub_image_err(ctx
, 3, texObj
, target
, level
, xoffset
, yoffset
,
4172 zoffset
, x
, y
, width
, height
, self
);
4176 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4177 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4179 struct gl_texture_object
* texObj
;
4180 const char *self
= "glCopyTextureSubImage1D";
4181 GET_CURRENT_CONTEXT(ctx
);
4183 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4187 /* Check target (proxies not allowed). */
4188 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4189 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4190 _mesa_enum_to_string(texObj
->Target
));
4194 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4195 0, x
, y
, width
, 1, self
);
4199 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4200 GLint xoffset
, GLint yoffset
,
4201 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4203 struct gl_texture_object
* texObj
;
4204 const char *self
= "glCopyTextureSubImage2D";
4205 GET_CURRENT_CONTEXT(ctx
);
4207 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4211 /* Check target (proxies not allowed). */
4212 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4213 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4214 _mesa_enum_to_string(texObj
->Target
));
4218 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4219 yoffset
, 0, x
, y
, width
, height
, self
);
4225 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4226 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4227 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4229 struct gl_texture_object
* texObj
;
4230 const char *self
= "glCopyTextureSubImage3D";
4231 GET_CURRENT_CONTEXT(ctx
);
4233 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4237 /* Check target (proxies not allowed). */
4238 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4239 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4240 _mesa_enum_to_string(texObj
->Target
));
4244 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4245 /* Act like CopyTexSubImage2D */
4246 copy_texture_sub_image_err(ctx
, 2, texObj
,
4247 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4248 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4252 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4253 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4258 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4259 GLint x
, GLint y
, GLsizei width
)
4261 GET_CURRENT_CONTEXT(ctx
);
4263 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4264 copy_texture_sub_image_no_error(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4269 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4270 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
4273 GET_CURRENT_CONTEXT(ctx
);
4275 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4276 copy_texture_sub_image_no_error(ctx
, 2, texObj
, target
, level
, xoffset
,
4277 yoffset
, 0, x
, y
, width
, height
);
4281 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4282 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
4283 GLsizei width
, GLsizei height
)
4285 GET_CURRENT_CONTEXT(ctx
);
4287 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4288 copy_texture_sub_image_no_error(ctx
, 3, texObj
, target
, level
, xoffset
,
4289 yoffset
, zoffset
, x
, y
, width
, height
);
4293 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4294 GLint x
, GLint y
, GLsizei width
)
4296 GET_CURRENT_CONTEXT(ctx
);
4298 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4299 copy_texture_sub_image_no_error(ctx
, 1, texObj
, texObj
->Target
, level
,
4300 xoffset
, 0, 0, x
, y
, width
, 1);
4304 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4305 GLint yoffset
, GLint x
, GLint y
,
4306 GLsizei width
, GLsizei height
)
4308 GET_CURRENT_CONTEXT(ctx
);
4310 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4311 copy_texture_sub_image_no_error(ctx
, 2, texObj
, texObj
->Target
, level
,
4312 xoffset
, yoffset
, 0, x
, y
, width
, height
);
4316 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4317 GLint yoffset
, GLint zoffset
, GLint x
,
4318 GLint y
, GLsizei width
, GLsizei height
)
4320 GET_CURRENT_CONTEXT(ctx
);
4322 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4323 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4324 /* Act like CopyTexSubImage2D */
4325 copy_texture_sub_image_no_error(ctx
, 2, texObj
,
4326 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4327 level
, xoffset
, yoffset
, 0, x
, y
, width
,
4331 copy_texture_sub_image_no_error(ctx
, 3, texObj
, texObj
->Target
, level
,
4332 xoffset
, yoffset
, zoffset
, x
, y
, width
,
4338 check_clear_tex_image(struct gl_context
*ctx
,
4339 const char *function
,
4340 struct gl_texture_image
*texImage
,
4341 GLenum format
, GLenum type
,
4343 GLubyte
*clearValue
)
4345 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4346 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4347 GLenum internalFormat
= texImage
->InternalFormat
;
4350 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4351 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4352 "%s(buffer texture)", function
);
4356 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4357 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4358 "%s(compressed texture)", function
);
4362 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4363 if (err
!= GL_NO_ERROR
) {
4364 _mesa_error(ctx
, err
,
4365 "%s(incompatible format = %s, type = %s)",
4367 _mesa_enum_to_string(format
),
4368 _mesa_enum_to_string(type
));
4372 /* make sure internal format and format basically agree */
4373 if (!texture_formats_agree(internalFormat
, format
)) {
4374 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4375 "%s(incompatible internalFormat = %s, format = %s)",
4377 _mesa_enum_to_string(internalFormat
),
4378 _mesa_enum_to_string(format
));
4382 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4383 /* both source and dest must be integer-valued, or neither */
4384 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4385 _mesa_is_enum_format_integer(format
)) {
4386 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4387 "%s(integer/non-integer format mismatch)",
4393 if (!_mesa_texstore(ctx
,
4395 texImage
->_BaseFormat
,
4396 texImage
->TexFormat
,
4397 0, /* dstRowStride */
4399 1, 1, 1, /* srcWidth/Height/Depth */
4401 data
? data
: zeroData
,
4402 &ctx
->DefaultPacking
)) {
4403 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4410 static struct gl_texture_object
*
4411 get_tex_obj_for_clear(struct gl_context
*ctx
,
4412 const char *function
,
4415 struct gl_texture_object
*texObj
;
4417 texObj
= _mesa_lookup_texture_err(ctx
, texture
, function
);
4421 if (texObj
->Target
== 0) {
4422 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4431 * For clearing cube textures, the zoffset and depth parameters indicate
4432 * which cube map faces are to be cleared. This is the one case where we
4433 * need to be concerned with multiple gl_texture_images. This function
4434 * returns the array of texture images to clear for cube maps, or one
4435 * texture image otherwise.
4436 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
4439 get_tex_images_for_clear(struct gl_context
*ctx
,
4440 const char *function
,
4441 struct gl_texture_object
*texObj
,
4443 struct gl_texture_image
**texImages
)
4448 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4449 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4453 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4454 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
4455 numFaces
= MAX_FACES
;
4458 target
= texObj
->Target
;
4462 for (i
= 0; i
< numFaces
; i
++) {
4463 texImages
[i
] = _mesa_select_tex_image(texObj
, target
+ i
, level
);
4464 if (texImages
[i
] == NULL
) {
4465 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4474 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
4475 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4476 GLsizei width
, GLsizei height
, GLsizei depth
,
4477 GLenum format
, GLenum type
, const void *data
)
4479 GET_CURRENT_CONTEXT(ctx
);
4480 struct gl_texture_object
*texObj
;
4481 struct gl_texture_image
*texImages
[MAX_FACES
];
4482 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4484 int minDepth
, maxDepth
;
4486 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4491 _mesa_lock_texture(ctx
, texObj
);
4493 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4494 texObj
, level
, texImages
);
4498 if (numImages
== 1) {
4499 minDepth
= -(int) texImages
[0]->Border
;
4500 maxDepth
= texImages
[0]->Depth
;
4502 assert(numImages
== MAX_FACES
);
4504 maxDepth
= numImages
;
4507 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4508 yoffset
< -(GLint
) texImages
[0]->Border
||
4509 zoffset
< minDepth
||
4513 xoffset
+ width
> texImages
[0]->Width
||
4514 yoffset
+ height
> texImages
[0]->Height
||
4515 zoffset
+ depth
> maxDepth
) {
4516 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4517 "glClearSubTexImage(invalid dimensions)");
4521 if (numImages
== 1) {
4522 if (check_clear_tex_image(ctx
, "glClearTexSubImage",
4524 format
, type
, data
, clearValue
[0])) {
4525 ctx
->Driver
.ClearTexSubImage(ctx
,
4527 xoffset
, yoffset
, zoffset
,
4528 width
, height
, depth
,
4529 data
? clearValue
[0] : NULL
);
4532 /* loop over cube face images */
4533 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4534 assert(i
< MAX_FACES
);
4535 if (!check_clear_tex_image(ctx
, "glClearTexSubImage",
4537 format
, type
, data
, clearValue
[i
]))
4540 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4541 ctx
->Driver
.ClearTexSubImage(ctx
,
4543 xoffset
, yoffset
, 0,
4545 data
? clearValue
[i
] : NULL
);
4550 _mesa_unlock_texture(ctx
, texObj
);
4554 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4555 GLenum format
, GLenum type
, const void *data
)
4557 GET_CURRENT_CONTEXT(ctx
);
4558 struct gl_texture_object
*texObj
;
4559 struct gl_texture_image
*texImages
[MAX_FACES
];
4560 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4563 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4568 _mesa_lock_texture(ctx
, texObj
);
4570 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4571 texObj
, level
, texImages
);
4573 for (i
= 0; i
< numImages
; i
++) {
4574 if (!check_clear_tex_image(ctx
, "glClearTexImage",
4581 for (i
= 0; i
< numImages
; i
++) {
4582 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4583 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4584 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4585 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4586 texImages
[i
]->Width
,
4587 texImages
[i
]->Height
,
4588 texImages
[i
]->Depth
,
4589 data
? clearValue
[i
] : NULL
);
4593 _mesa_unlock_texture(ctx
, texObj
);
4599 /**********************************************************************/
4600 /****** Compressed Textures ******/
4601 /**********************************************************************/
4605 * Target checking for glCompressedTexSubImage[123]D().
4606 * \return GL_TRUE if error, GL_FALSE if no error
4607 * Must come before other error checking so that the texture object can
4608 * be correctly retrieved using _mesa_get_current_tex_object.
4611 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4612 GLint dims
, GLenum format
, bool dsa
,
4617 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4618 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4619 _mesa_enum_to_string(target
));
4629 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4630 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4631 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4632 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4633 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4634 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4635 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4638 targetOK
= GL_FALSE
;
4644 case GL_TEXTURE_CUBE_MAP
:
4645 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4647 case GL_TEXTURE_2D_ARRAY
:
4648 targetOK
= _mesa_is_gles3(ctx
) ||
4649 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4651 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4652 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
4657 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4659 * "An INVALID_OPERATION error is generated by
4660 * CompressedTex*SubImage3D if the internal format of the texture
4661 * is one of the EAC, ETC2, or RGTC formats and either border is
4662 * non-zero, or the effective target for the texture is not
4663 * TEXTURE_2D_ARRAY."
4665 * NOTE: that's probably a spec error. It should probably say
4666 * "... or the effective target for the texture is not
4667 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4668 * GL_TEXTURE_CUBE_MAP_ARRAY."
4669 * since those targets are 2D images and they support all compression
4672 * Instead of listing all these, just list those which are allowed,
4673 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4674 * more) are valid here, which they are not, but of course not
4675 * mentioned by core spec.
4678 /* These are the only 3D compression formats supported at this time */
4679 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
4680 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
4681 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
4682 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
4686 /* invalid format */
4687 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4688 "%s(invalid target %s for format %s)", caller
,
4689 _mesa_enum_to_string(target
),
4690 _mesa_enum_to_string(format
));
4695 targetOK
= GL_FALSE
;
4701 /* no 1D compressed textures at this time */
4702 targetOK
= GL_FALSE
;
4707 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4708 _mesa_enum_to_string(target
));
4716 * Error checking for glCompressedTexSubImage[123]D().
4717 * \return GL_TRUE if error, GL_FALSE if no error
4720 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4721 const struct gl_texture_object
*texObj
,
4722 GLenum target
, GLint level
,
4723 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4724 GLsizei width
, GLsizei height
, GLsizei depth
,
4725 GLenum format
, GLsizei imageSize
,
4726 const GLvoid
*data
, const char *callerName
)
4728 struct gl_texture_image
*texImage
;
4731 /* this will catch any invalid compressed format token */
4732 if (!_mesa_is_compressed_format(ctx
, format
)) {
4733 _mesa_error(ctx
, GL_INVALID_ENUM
,
4734 "%s(format)", callerName
);
4738 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4739 _mesa_error(ctx
, GL_INVALID_VALUE
,
4745 /* validate the bound PBO, if any */
4746 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4747 imageSize
, data
, callerName
)) {
4751 /* Check for invalid pixel storage modes */
4752 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4753 &ctx
->Unpack
, callerName
)) {
4757 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4758 if (expectedSize
!= imageSize
) {
4759 _mesa_error(ctx
, GL_INVALID_VALUE
,
4761 callerName
, imageSize
);
4765 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4767 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4768 "%s(invalid texture image)",
4773 if ((GLint
) format
!= texImage
->InternalFormat
) {
4774 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4776 callerName
, _mesa_enum_to_string(format
));
4780 if (compressedteximage_only_format(ctx
, format
)) {
4781 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4782 "%s(format=%s cannot be updated)",
4783 callerName
, _mesa_enum_to_string(format
));
4787 if (error_check_subtexture_negative_dimensions(ctx
, dims
,
4788 width
, height
, depth
,
4793 if (error_check_subtexture_dimensions(ctx
, dims
,
4794 texImage
, xoffset
, yoffset
, zoffset
,
4795 width
, height
, depth
,
4805 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4806 GLenum internalFormat
, GLsizei width
,
4807 GLint border
, GLsizei imageSize
,
4810 GET_CURRENT_CONTEXT(ctx
);
4811 teximage_err(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4812 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4817 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4818 GLenum internalFormat
, GLsizei width
,
4819 GLsizei height
, GLint border
, GLsizei imageSize
,
4822 GET_CURRENT_CONTEXT(ctx
);
4823 teximage_err(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4824 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4829 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4830 GLenum internalFormat
, GLsizei width
,
4831 GLsizei height
, GLsizei depth
, GLint border
,
4832 GLsizei imageSize
, const GLvoid
*data
)
4834 GET_CURRENT_CONTEXT(ctx
);
4835 teximage_err(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
, height
,
4836 depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4841 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
4842 GLenum internalFormat
, GLsizei width
,
4843 GLint border
, GLsizei imageSize
,
4846 GET_CURRENT_CONTEXT(ctx
);
4847 teximage_no_error(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
, width
, 1,
4848 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4853 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
4854 GLenum internalFormat
, GLsizei width
,
4855 GLsizei height
, GLint border
,
4856 GLsizei imageSize
, const GLvoid
*data
)
4858 GET_CURRENT_CONTEXT(ctx
);
4859 teximage_no_error(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
, width
,
4860 height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4865 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
4866 GLenum internalFormat
, GLsizei width
,
4867 GLsizei height
, GLsizei depth
, GLint border
,
4868 GLsizei imageSize
, const GLvoid
*data
)
4870 GET_CURRENT_CONTEXT(ctx
);
4871 teximage_no_error(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
,
4872 height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4877 * Common helper for glCompressedTexSubImage1/2/3D() and
4878 * glCompressedTextureSubImage1/2/3D().
4881 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4882 struct gl_texture_object
*texObj
,
4883 struct gl_texture_image
*texImage
,
4884 GLenum target
, GLint level
, GLint xoffset
,
4885 GLint yoffset
, GLint zoffset
, GLsizei width
,
4886 GLsizei height
, GLsizei depth
, GLenum format
,
4887 GLsizei imageSize
, const GLvoid
*data
)
4889 FLUSH_VERTICES(ctx
, 0);
4891 _mesa_lock_texture(ctx
, texObj
);
4893 if (width
> 0 && height
> 0 && depth
> 0) {
4894 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4895 xoffset
, yoffset
, zoffset
,
4896 width
, height
, depth
,
4897 format
, imageSize
, data
);
4899 check_gen_mipmap(ctx
, target
, texObj
, level
);
4901 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4902 * the texel data, not the texture format, size, etc.
4906 _mesa_unlock_texture(ctx
, texObj
);
4910 static ALWAYS_INLINE
void
4911 compressed_tex_sub_image(unsigned dim
, GLenum target
, GLuint texture
,
4912 GLint level
, GLint xoffset
, GLint yoffset
,
4913 GLint zoffset
, GLsizei width
, GLsizei height
,
4914 GLsizei depth
, GLenum format
, GLsizei imageSize
,
4915 const GLvoid
*data
, bool dsa
, bool no_error
,
4918 struct gl_texture_object
*texObj
;
4919 struct gl_texture_image
*texImage
;
4921 GET_CURRENT_CONTEXT(ctx
);
4925 texObj
= _mesa_lookup_texture(ctx
, texture
);
4927 texObj
= _mesa_lookup_texture_err(ctx
, texture
, caller
);
4932 target
= texObj
->Target
;
4936 compressed_subtexture_target_check(ctx
, target
, dim
, format
, dsa
,
4942 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4943 if (!no_error
&& !texObj
)
4948 compressed_subtexture_error_check(ctx
, dim
, texObj
, target
, level
,
4949 xoffset
, yoffset
, zoffset
, width
,
4950 height
, depth
, format
,
4951 imageSize
, data
, caller
)) {
4955 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
4956 if (dim
== 3 && dsa
&& texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4957 const char *pixels
= data
;
4960 /* Make sure the texture object is a proper cube.
4961 * (See texturesubimage in teximage.c for details on why this check is
4964 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
4965 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4966 "glCompressedTextureSubImage3D(cube map incomplete)");
4970 /* Copy in each face. */
4971 for (int i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
4972 texImage
= texObj
->Image
[i
][level
];
4975 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
4976 texObj
->Target
, level
, xoffset
, yoffset
,
4977 0, width
, height
, 1, format
,
4980 /* Compressed images don't have a client format */
4981 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
4983 texImage
->Height
, 1);
4985 pixels
+= image_stride
;
4986 imageSize
-= image_stride
;
4989 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4992 compressed_texture_sub_image(ctx
, dim
, texObj
, texImage
, target
, level
,
4993 xoffset
, yoffset
, zoffset
, width
, height
,
4994 depth
, format
, imageSize
, data
);
4999 compressed_tex_sub_image_error(unsigned dim
, GLenum target
, GLuint texture
,
5000 GLint level
, GLint xoffset
, GLint yoffset
,
5001 GLint zoffset
, GLsizei width
, GLsizei height
,
5002 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5003 const GLvoid
*data
, bool dsa
,
5006 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5007 zoffset
, width
, height
, depth
, format
, imageSize
,
5008 data
, dsa
, false, caller
);
5012 compressed_tex_sub_image_no_error(unsigned dim
, GLenum target
, GLuint texture
,
5013 GLint level
, GLint xoffset
, GLint yoffset
,
5014 GLint zoffset
, GLsizei width
, GLsizei height
,
5015 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5016 const GLvoid
*data
, bool dsa
,
5019 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5020 zoffset
, width
, height
, depth
, format
, imageSize
,
5021 data
, dsa
, true, caller
);
5025 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
5026 GLint xoffset
, GLsizei width
,
5027 GLenum format
, GLsizei imageSize
,
5030 compressed_tex_sub_image_no_error(1, target
, 0, level
, xoffset
, 0, 0, width
,
5031 1, 1, format
, imageSize
, data
, false,
5032 "glCompressedTexSubImage1D");
5037 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
5038 GLsizei width
, GLenum format
,
5039 GLsizei imageSize
, const GLvoid
*data
)
5041 compressed_tex_sub_image_error(1, target
, 0, level
, xoffset
, 0, 0, width
, 1,
5042 1, format
, imageSize
, data
, false,
5043 "glCompressedTexSubImage1D");
5048 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
5049 GLint xoffset
, GLsizei width
,
5050 GLenum format
, GLsizei imageSize
,
5053 compressed_tex_sub_image_no_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5054 1, 1, format
, imageSize
, data
, true,
5055 "glCompressedTextureSubImage1D");
5060 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
5061 GLsizei width
, GLenum format
,
5062 GLsizei imageSize
, const GLvoid
*data
)
5064 compressed_tex_sub_image_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5065 1, 1, format
, imageSize
, data
, true,
5066 "glCompressedTextureSubImage1D");
5070 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
5071 GLint xoffset
, GLint yoffset
,
5072 GLsizei width
, GLsizei height
,
5073 GLenum format
, GLsizei imageSize
,
5076 compressed_tex_sub_image_no_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5077 width
, height
, 1, format
, imageSize
, data
,
5078 false, "glCompressedTexSubImage2D");
5083 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
5084 GLint yoffset
, GLsizei width
, GLsizei height
,
5085 GLenum format
, GLsizei imageSize
,
5088 compressed_tex_sub_image_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5089 width
, height
, 1, format
, imageSize
, data
,
5090 false, "glCompressedTexSubImage2D");
5095 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
5096 GLint xoffset
, GLint yoffset
,
5097 GLsizei width
, GLsizei height
,
5098 GLenum format
, GLsizei imageSize
,
5101 compressed_tex_sub_image_no_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5102 width
, height
, 1, format
, imageSize
, data
,
5103 true, "glCompressedTextureSubImage2D");
5108 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
5110 GLsizei width
, GLsizei height
,
5111 GLenum format
, GLsizei imageSize
,
5114 compressed_tex_sub_image_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5115 width
, height
, 1, format
, imageSize
, data
,
5116 true, "glCompressedTextureSubImage2D");
5120 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
5121 GLint xoffset
, GLint yoffset
,
5122 GLint zoffset
, GLsizei width
,
5123 GLsizei height
, GLsizei depth
,
5124 GLenum format
, GLsizei imageSize
,
5127 compressed_tex_sub_image_no_error(3, target
, 0, level
, xoffset
, yoffset
,
5128 zoffset
, width
, height
, depth
, format
,
5129 imageSize
, data
, false,
5130 "glCompressedTexSubImage3D");
5134 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5135 GLint yoffset
, GLint zoffset
, GLsizei width
,
5136 GLsizei height
, GLsizei depth
, GLenum format
,
5137 GLsizei imageSize
, const GLvoid
*data
)
5139 compressed_tex_sub_image_error(3, target
, 0, level
, xoffset
, yoffset
,
5140 zoffset
, width
, height
, depth
, format
,
5141 imageSize
, data
, false,
5142 "glCompressedTexSubImage3D");
5146 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
5147 GLint xoffset
, GLint yoffset
,
5148 GLint zoffset
, GLsizei width
,
5149 GLsizei height
, GLsizei depth
,
5150 GLenum format
, GLsizei imageSize
,
5153 compressed_tex_sub_image_no_error(3, 0, texture
, level
, xoffset
, yoffset
,
5154 zoffset
, width
, height
, depth
, format
,
5155 imageSize
, data
, true,
5156 "glCompressedTextureSubImage3D");
5160 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5161 GLint yoffset
, GLint zoffset
, GLsizei width
,
5162 GLsizei height
, GLsizei depth
,
5163 GLenum format
, GLsizei imageSize
,
5166 compressed_tex_sub_image_error(3, 0, texture
, level
, xoffset
, yoffset
,
5167 zoffset
, width
, height
, depth
, format
,
5168 imageSize
, data
, true,
5169 "glCompressedTextureSubImage3D");
5173 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5175 if (ctx
->API
== API_OPENGL_COMPAT
) {
5176 switch (internalFormat
) {
5178 return MESA_FORMAT_A_UNORM8
;
5180 return MESA_FORMAT_A_UNORM16
;
5181 case GL_ALPHA16F_ARB
:
5182 return MESA_FORMAT_A_FLOAT16
;
5183 case GL_ALPHA32F_ARB
:
5184 return MESA_FORMAT_A_FLOAT32
;
5185 case GL_ALPHA8I_EXT
:
5186 return MESA_FORMAT_A_SINT8
;
5187 case GL_ALPHA16I_EXT
:
5188 return MESA_FORMAT_A_SINT16
;
5189 case GL_ALPHA32I_EXT
:
5190 return MESA_FORMAT_A_SINT32
;
5191 case GL_ALPHA8UI_EXT
:
5192 return MESA_FORMAT_A_UINT8
;
5193 case GL_ALPHA16UI_EXT
:
5194 return MESA_FORMAT_A_UINT16
;
5195 case GL_ALPHA32UI_EXT
:
5196 return MESA_FORMAT_A_UINT32
;
5198 return MESA_FORMAT_L_UNORM8
;
5199 case GL_LUMINANCE16
:
5200 return MESA_FORMAT_L_UNORM16
;
5201 case GL_LUMINANCE16F_ARB
:
5202 return MESA_FORMAT_L_FLOAT16
;
5203 case GL_LUMINANCE32F_ARB
:
5204 return MESA_FORMAT_L_FLOAT32
;
5205 case GL_LUMINANCE8I_EXT
:
5206 return MESA_FORMAT_L_SINT8
;
5207 case GL_LUMINANCE16I_EXT
:
5208 return MESA_FORMAT_L_SINT16
;
5209 case GL_LUMINANCE32I_EXT
:
5210 return MESA_FORMAT_L_SINT32
;
5211 case GL_LUMINANCE8UI_EXT
:
5212 return MESA_FORMAT_L_UINT8
;
5213 case GL_LUMINANCE16UI_EXT
:
5214 return MESA_FORMAT_L_UINT16
;
5215 case GL_LUMINANCE32UI_EXT
:
5216 return MESA_FORMAT_L_UINT32
;
5217 case GL_LUMINANCE8_ALPHA8
:
5218 return MESA_FORMAT_L8A8_UNORM
;
5219 case GL_LUMINANCE16_ALPHA16
:
5220 return MESA_FORMAT_L16A16_UNORM
;
5221 case GL_LUMINANCE_ALPHA16F_ARB
:
5222 return MESA_FORMAT_LA_FLOAT16
;
5223 case GL_LUMINANCE_ALPHA32F_ARB
:
5224 return MESA_FORMAT_LA_FLOAT32
;
5225 case GL_LUMINANCE_ALPHA8I_EXT
:
5226 return MESA_FORMAT_LA_SINT8
;
5227 case GL_LUMINANCE_ALPHA16I_EXT
:
5228 return MESA_FORMAT_LA_SINT16
;
5229 case GL_LUMINANCE_ALPHA32I_EXT
:
5230 return MESA_FORMAT_LA_SINT32
;
5231 case GL_LUMINANCE_ALPHA8UI_EXT
:
5232 return MESA_FORMAT_LA_UINT8
;
5233 case GL_LUMINANCE_ALPHA16UI_EXT
:
5234 return MESA_FORMAT_LA_UINT16
;
5235 case GL_LUMINANCE_ALPHA32UI_EXT
:
5236 return MESA_FORMAT_LA_UINT32
;
5238 return MESA_FORMAT_I_UNORM8
;
5239 case GL_INTENSITY16
:
5240 return MESA_FORMAT_I_UNORM16
;
5241 case GL_INTENSITY16F_ARB
:
5242 return MESA_FORMAT_I_FLOAT16
;
5243 case GL_INTENSITY32F_ARB
:
5244 return MESA_FORMAT_I_FLOAT32
;
5245 case GL_INTENSITY8I_EXT
:
5246 return MESA_FORMAT_I_SINT8
;
5247 case GL_INTENSITY16I_EXT
:
5248 return MESA_FORMAT_I_SINT16
;
5249 case GL_INTENSITY32I_EXT
:
5250 return MESA_FORMAT_I_SINT32
;
5251 case GL_INTENSITY8UI_EXT
:
5252 return MESA_FORMAT_I_UINT8
;
5253 case GL_INTENSITY16UI_EXT
:
5254 return MESA_FORMAT_I_UINT16
;
5255 case GL_INTENSITY32UI_EXT
:
5256 return MESA_FORMAT_I_UINT32
;
5262 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
5263 _mesa_has_OES_texture_buffer(ctx
)) {
5264 switch (internalFormat
) {
5266 return MESA_FORMAT_RGB_FLOAT32
;
5268 return MESA_FORMAT_RGB_UINT32
;
5270 return MESA_FORMAT_RGB_SINT32
;
5276 switch (internalFormat
) {
5278 return MESA_FORMAT_R8G8B8A8_UNORM
;
5280 if (_mesa_is_gles(ctx
))
5281 return MESA_FORMAT_NONE
;
5282 return MESA_FORMAT_RGBA_UNORM16
;
5283 case GL_RGBA16F_ARB
:
5284 return MESA_FORMAT_RGBA_FLOAT16
;
5285 case GL_RGBA32F_ARB
:
5286 return MESA_FORMAT_RGBA_FLOAT32
;
5288 return MESA_FORMAT_RGBA_SINT8
;
5289 case GL_RGBA16I_EXT
:
5290 return MESA_FORMAT_RGBA_SINT16
;
5291 case GL_RGBA32I_EXT
:
5292 return MESA_FORMAT_RGBA_SINT32
;
5293 case GL_RGBA8UI_EXT
:
5294 return MESA_FORMAT_RGBA_UINT8
;
5295 case GL_RGBA16UI_EXT
:
5296 return MESA_FORMAT_RGBA_UINT16
;
5297 case GL_RGBA32UI_EXT
:
5298 return MESA_FORMAT_RGBA_UINT32
;
5301 return MESA_FORMAT_R8G8_UNORM
;
5303 if (_mesa_is_gles(ctx
))
5304 return MESA_FORMAT_NONE
;
5305 return MESA_FORMAT_R16G16_UNORM
;
5307 return MESA_FORMAT_RG_FLOAT16
;
5309 return MESA_FORMAT_RG_FLOAT32
;
5311 return MESA_FORMAT_RG_SINT8
;
5313 return MESA_FORMAT_RG_SINT16
;
5315 return MESA_FORMAT_RG_SINT32
;
5317 return MESA_FORMAT_RG_UINT8
;
5319 return MESA_FORMAT_RG_UINT16
;
5321 return MESA_FORMAT_RG_UINT32
;
5324 return MESA_FORMAT_R_UNORM8
;
5326 if (_mesa_is_gles(ctx
))
5327 return MESA_FORMAT_NONE
;
5328 return MESA_FORMAT_R_UNORM16
;
5330 return MESA_FORMAT_R_FLOAT16
;
5332 return MESA_FORMAT_R_FLOAT32
;
5334 return MESA_FORMAT_R_SINT8
;
5336 return MESA_FORMAT_R_SINT16
;
5338 return MESA_FORMAT_R_SINT32
;
5340 return MESA_FORMAT_R_UINT8
;
5342 return MESA_FORMAT_R_UINT16
;
5344 return MESA_FORMAT_R_UINT32
;
5347 return MESA_FORMAT_NONE
;
5353 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5354 GLenum internalFormat
)
5356 mesa_format format
= _mesa_get_texbuffer_format(ctx
, internalFormat
);
5359 if (format
== MESA_FORMAT_NONE
)
5360 return MESA_FORMAT_NONE
;
5362 datatype
= _mesa_get_format_datatype(format
);
5364 /* The GL_ARB_texture_buffer_object spec says:
5366 * "If ARB_texture_float is not supported, references to the
5367 * floating-point internal formats provided by that extension should be
5368 * removed, and such formats may not be passed to TexBufferARB."
5370 * As a result, GL_HALF_FLOAT internal format depends on both
5371 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5373 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5374 !ctx
->Extensions
.ARB_texture_float
)
5375 return MESA_FORMAT_NONE
;
5377 if (!ctx
->Extensions
.ARB_texture_rg
) {
5378 GLenum base_format
= _mesa_get_format_base_format(format
);
5379 if (base_format
== GL_R
|| base_format
== GL_RG
)
5380 return MESA_FORMAT_NONE
;
5383 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5384 GLenum base_format
= _mesa_get_format_base_format(format
);
5385 if (base_format
== GL_RGB
)
5386 return MESA_FORMAT_NONE
;
5393 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
5394 * and glTextureBufferRange, including some error checking.
5397 texture_buffer_range(struct gl_context
*ctx
,
5398 struct gl_texture_object
*texObj
,
5399 GLenum internalFormat
,
5400 struct gl_buffer_object
*bufObj
,
5401 GLintptr offset
, GLsizeiptr size
,
5404 GLintptr oldOffset
= texObj
->BufferOffset
;
5405 GLsizeiptr oldSize
= texObj
->BufferSize
;
5408 /* NOTE: ARB_texture_buffer_object has interactions with
5409 * the compatibility profile that are not implemented.
5411 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
5412 !_mesa_has_OES_texture_buffer(ctx
)) {
5413 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5414 "%s(ARB_texture_buffer_object is not"
5415 " implemented for the compatibility profile)", caller
);
5419 if (texObj
->HandleAllocated
) {
5420 /* The ARB_bindless_texture spec says:
5422 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
5423 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
5424 * functions defined in terms of these, if the texture object to be
5425 * modified is referenced by one or more texture or image handles."
5427 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable texture)", caller
);
5431 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5432 if (format
== MESA_FORMAT_NONE
) {
5433 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
5434 caller
, _mesa_enum_to_string(internalFormat
));
5438 FLUSH_VERTICES(ctx
, 0);
5440 _mesa_lock_texture(ctx
, texObj
);
5442 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5443 texObj
->BufferObjectFormat
= internalFormat
;
5444 texObj
->_BufferObjectFormat
= format
;
5445 texObj
->BufferOffset
= offset
;
5446 texObj
->BufferSize
= size
;
5448 _mesa_unlock_texture(ctx
, texObj
);
5450 if (ctx
->Driver
.TexParameter
) {
5451 if (offset
!= oldOffset
) {
5452 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
5454 if (size
!= oldSize
) {
5455 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
5459 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5462 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5468 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5469 * Return true if it is, and return false if it is not
5470 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5471 * core spec, 02.02.2015, PDF page 245).
5474 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5477 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5478 _mesa_error(ctx
, GL_INVALID_ENUM
,
5479 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5487 * Check for errors related to the texture buffer range.
5488 * Return false if errors are found, true if none are found.
5491 check_texture_buffer_range(struct gl_context
*ctx
,
5492 struct gl_buffer_object
*bufObj
,
5493 GLintptr offset
, GLsizeiptr size
,
5496 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5497 * Textures (PDF page 245):
5498 * "An INVALID_VALUE error is generated if offset is negative, if
5499 * size is less than or equal to zero, or if offset + size is greater
5500 * than the value of BUFFER_SIZE for the buffer bound to target."
5503 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5509 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5514 if (offset
+ size
> bufObj
->Size
) {
5515 _mesa_error(ctx
, GL_INVALID_VALUE
,
5516 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5517 (int) offset
, (int) size
, (int) bufObj
->Size
);
5521 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5522 * Textures (PDF page 245):
5523 * "An INVALID_VALUE error is generated if offset is not an integer
5524 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5526 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5527 _mesa_error(ctx
, GL_INVALID_VALUE
,
5528 "%s(invalid offset alignment)", caller
);
5536 /** GL_ARB_texture_buffer_object */
5538 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5540 struct gl_texture_object
*texObj
;
5541 struct gl_buffer_object
*bufObj
;
5543 GET_CURRENT_CONTEXT(ctx
);
5545 /* Need to catch a bad target before it gets to
5546 * _mesa_get_current_tex_object.
5548 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5552 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5558 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5562 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5563 buffer
? -1 : 0, "glTexBuffer");
5567 /** GL_ARB_texture_buffer_range */
5569 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5570 GLintptr offset
, GLsizeiptr size
)
5572 struct gl_texture_object
*texObj
;
5573 struct gl_buffer_object
*bufObj
;
5575 GET_CURRENT_CONTEXT(ctx
);
5577 /* Need to catch a bad target before it gets to
5578 * _mesa_get_current_tex_object.
5580 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5584 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5588 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5589 "glTexBufferRange"))
5593 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5594 * Textures (PDF page 254):
5595 * "If buffer is zero, then any buffer object attached to the buffer
5596 * texture is detached, the values offset and size are ignored and
5597 * the state for offset and size for the buffer texture are reset to
5605 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5609 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5610 offset
, size
, "glTexBufferRange");
5614 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5616 struct gl_texture_object
*texObj
;
5617 struct gl_buffer_object
*bufObj
;
5619 GET_CURRENT_CONTEXT(ctx
);
5622 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5628 /* Get the texture object by Name. */
5629 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5633 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5636 texture_buffer_range(ctx
, texObj
, internalFormat
,
5637 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5641 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5642 GLintptr offset
, GLsizeiptr size
)
5644 struct gl_texture_object
*texObj
;
5645 struct gl_buffer_object
*bufObj
;
5647 GET_CURRENT_CONTEXT(ctx
);
5650 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5651 "glTextureBufferRange");
5655 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5656 "glTextureBufferRange"))
5660 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5661 * Textures (PDF page 254):
5662 * "If buffer is zero, then any buffer object attached to the buffer
5663 * texture is detached, the values offset and size are ignored and
5664 * the state for offset and size for the buffer texture are reset to
5672 /* Get the texture object by Name. */
5673 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5677 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5678 "glTextureBufferRange"))
5681 texture_buffer_range(ctx
, texObj
, internalFormat
,
5682 bufObj
, offset
, size
, "glTextureBufferRange");
5686 _mesa_is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5688 /* Everything that is allowed for renderbuffers,
5689 * except for a base format of GL_STENCIL_INDEX, unless supported.
5691 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5692 if (ctx
->Extensions
.ARB_texture_stencil8
)
5693 return baseFormat
!= 0;
5695 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5699 /** GL_ARB_texture_multisample */
5701 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5704 case GL_TEXTURE_2D_MULTISAMPLE
:
5706 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5707 return dims
== 2 && !dsa
;
5708 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5710 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5711 return dims
== 3 && !dsa
;
5719 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5720 struct gl_texture_object
*texObj
,
5721 struct gl_memory_object
*memObj
,
5722 GLenum target
, GLsizei samples
,
5723 GLint internalformat
, GLsizei width
,
5724 GLsizei height
, GLsizei depth
,
5725 GLboolean fixedsamplelocations
,
5726 GLboolean immutable
, GLuint64 offset
,
5729 struct gl_texture_image
*texImage
;
5730 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5731 mesa_format texFormat
;
5732 GLenum sample_count_error
;
5733 bool dsa
= strstr(func
, "ture") ? true : false;
5735 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
5736 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
5737 _mesa_enum_to_string(target
), samples
);
5740 if (!((ctx
->Extensions
.ARB_texture_multisample
5741 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5742 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5747 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5751 if (!check_multisample_target(dims
, target
, dsa
)) {
5753 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5757 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5762 /* check that the specified internalformat is color/depth/stencil-renderable;
5763 * refer GL3.1 spec 4.4.4
5766 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5767 _mesa_error(ctx
, GL_INVALID_ENUM
,
5768 "%s(internalformat=%s not legal for immutable-format)",
5769 func
, _mesa_enum_to_string(internalformat
));
5773 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
5774 /* Page 172 of OpenGL ES 3.1 spec says:
5775 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5776 * color-renderable, depth-renderable, or stencil-renderable (as
5777 * defined in section 9.4).
5779 * (Same error is also defined for desktop OpenGL for multisample
5780 * teximage/texstorage functions.)
5782 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5783 _mesa_enum_to_string(internalformat
));
5787 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5788 internalformat
, samples
);
5789 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5791 /* Page 254 of OpenGL 4.4 spec says:
5792 * "Proxy arrays for two-dimensional multisample and two-dimensional
5793 * multisample array textures are operated on in the same way when
5794 * TexImage2DMultisample is called with target specified as
5795 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5796 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5797 * However, if samples is not supported, then no error is generated.
5799 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5800 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5804 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5805 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5806 "%s(texture object 0)",
5811 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5813 if (texImage
== NULL
) {
5814 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5818 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5819 internalformat
, GL_NONE
, GL_NONE
);
5820 assert(texFormat
!= MESA_FORMAT_NONE
);
5822 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5823 width
, height
, depth
, 0);
5825 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
5826 samples
, width
, height
, depth
);
5828 if (_mesa_is_proxy_texture(target
)) {
5829 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5830 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5831 internalformat
, texFormat
,
5832 samples
, fixedsamplelocations
);
5835 /* clear all image fields */
5836 clear_teximage_fields(texImage
);
5840 if (!dimensionsOK
) {
5841 _mesa_error(ctx
, GL_INVALID_VALUE
,
5842 "%s(invalid width=%d or height=%d)", func
, width
, height
);
5847 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5851 /* Check if texObj->Immutable is set */
5852 if (texObj
->Immutable
) {
5853 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5857 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5859 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5860 internalformat
, texFormat
,
5861 samples
, fixedsamplelocations
);
5863 if (width
> 0 && height
> 0 && depth
> 0) {
5865 if (!ctx
->Driver
.SetTextureStorageForMemoryObject(ctx
, texObj
,
5870 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5871 internalformat
, texFormat
);
5874 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5875 width
, height
, depth
)) {
5876 /* tidy up the texture image state. strictly speaking,
5877 * we're allowed to just leave this in whatever state we
5878 * like, but being tidy is good.
5880 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5881 internalformat
, texFormat
);
5886 texObj
->Immutable
|= immutable
;
5889 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5892 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5898 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5899 GLenum internalformat
, GLsizei width
,
5900 GLsizei height
, GLboolean fixedsamplelocations
)
5902 struct gl_texture_object
*texObj
;
5903 GET_CURRENT_CONTEXT(ctx
);
5905 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5909 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5910 internalformat
, width
, height
, 1,
5911 fixedsamplelocations
, GL_FALSE
, 0,
5912 "glTexImage2DMultisample");
5917 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5918 GLenum internalformat
, GLsizei width
,
5919 GLsizei height
, GLsizei depth
,
5920 GLboolean fixedsamplelocations
)
5922 struct gl_texture_object
*texObj
;
5923 GET_CURRENT_CONTEXT(ctx
);
5925 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5929 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5930 internalformat
, width
, height
, depth
,
5931 fixedsamplelocations
, GL_FALSE
, 0,
5932 "glTexImage3DMultisample");
5936 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
5937 GLsizei samples
, unsigned dims
)
5939 GET_CURRENT_CONTEXT(ctx
);
5941 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
5942 _mesa_error(ctx
, GL_INVALID_VALUE
,
5943 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
5944 dims
, width
, height
, depth
);
5951 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5952 GLenum internalformat
, GLsizei width
,
5953 GLsizei height
, GLboolean fixedsamplelocations
)
5955 struct gl_texture_object
*texObj
;
5956 GET_CURRENT_CONTEXT(ctx
);
5958 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5962 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5965 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5966 internalformat
, width
, height
, 1,
5967 fixedsamplelocations
, GL_TRUE
, 0,
5968 "glTexStorage2DMultisample");
5972 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5973 GLenum internalformat
, GLsizei width
,
5974 GLsizei height
, GLsizei depth
,
5975 GLboolean fixedsamplelocations
)
5977 struct gl_texture_object
*texObj
;
5978 GET_CURRENT_CONTEXT(ctx
);
5980 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5984 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5987 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5988 internalformat
, width
, height
, depth
,
5989 fixedsamplelocations
, GL_TRUE
, 0,
5990 "glTexStorage3DMultisample");
5994 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5995 GLenum internalformat
, GLsizei width
,
5997 GLboolean fixedsamplelocations
)
5999 struct gl_texture_object
*texObj
;
6000 GET_CURRENT_CONTEXT(ctx
);
6002 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6003 "glTextureStorage2DMultisample");
6007 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
6010 texture_image_multisample(ctx
, 2, texObj
, NULL
, texObj
->Target
,
6011 samples
, internalformat
, width
, height
, 1,
6012 fixedsamplelocations
, GL_TRUE
, 0,
6013 "glTextureStorage2DMultisample");
6017 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
6018 GLenum internalformat
, GLsizei width
,
6019 GLsizei height
, GLsizei depth
,
6020 GLboolean fixedsamplelocations
)
6022 struct gl_texture_object
*texObj
;
6023 GET_CURRENT_CONTEXT(ctx
);
6025 /* Get the texture object by Name. */
6026 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6027 "glTextureStorage3DMultisample");
6031 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
6034 texture_image_multisample(ctx
, 3, texObj
, NULL
, texObj
->Target
, samples
,
6035 internalformat
, width
, height
, depth
,
6036 fixedsamplelocations
, GL_TRUE
, 0,
6037 "glTextureStorage3DMultisample");
6041 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
6042 struct gl_texture_object
*texObj
,
6043 struct gl_memory_object
*memObj
,
6044 GLenum target
, GLsizei samples
,
6045 GLenum internalFormat
, GLsizei width
,
6046 GLsizei height
, GLsizei depth
,
6047 GLboolean fixedSampleLocations
,
6048 GLuint64 offset
, const char* func
)
6052 texture_image_multisample(ctx
, dims
, texObj
, memObj
, target
, samples
,
6053 internalFormat
, width
, height
, depth
,
6054 fixedSampleLocations
, GL_TRUE
, offset
,