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 %d + width %d > %u)", func
,
1137 xoffset
, subWidth
, destImage
->Width
);
1141 /* check yoffset and height */
1143 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1144 if (yoffset
< -yBorder
) {
1145 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1148 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1149 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset %d + height %d > %u)",
1150 func
, yoffset
, subHeight
, destImage
->Height
);
1155 /* check zoffset and depth */
1158 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1159 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1160 0 : destImage
->Border
;
1162 if (zoffset
< -zBorder
) {
1163 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1167 depth
= (GLint
) destImage
->Depth
;
1168 if (target
== GL_TEXTURE_CUBE_MAP
)
1170 if (zoffset
+ subDepth
> depth
) {
1171 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset %d + depth %d > %u)",
1172 func
, zoffset
, subDepth
, depth
);
1178 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1179 * compressed texture images can be updated. But, that restriction may be
1180 * relaxed for particular compressed formats. At this time, all the
1181 * compressed formats supported by Mesa allow sub-textures to be updated
1182 * along compressed block boundaries.
1184 _mesa_get_format_block_size_3d(destImage
->TexFormat
, &bw
, &bh
, &bd
);
1186 if (bw
!= 1 || bh
!= 1 || bd
!= 1) {
1187 /* offset must be multiple of block size */
1188 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0) || (zoffset
% bd
!= 0)) {
1189 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1190 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1191 func
, xoffset
, yoffset
, zoffset
);
1195 /* The size must be a multiple of bw x bh, or we must be using a
1196 * offset+size that exactly hits the edge of the image. This
1197 * is important for small mipmap levels (1x1, 2x1, etc) and for
1200 if ((subWidth
% bw
!= 0) &&
1201 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1202 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1203 "%s(width = %d)", func
, subWidth
);
1207 if ((subHeight
% bh
!= 0) &&
1208 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1209 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1210 "%s(height = %d)", func
, subHeight
);
1214 if ((subDepth
% bd
!= 0) &&
1215 (zoffset
+ subDepth
!= (GLint
) destImage
->Depth
)) {
1216 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1217 "%s(depth = %d)", func
, subDepth
);
1229 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1230 * specific texture image size checks.
1232 * A hardware driver might override this function if, for example, the
1233 * max 3D texture size is 512x512x64 (i.e. not a cube).
1235 * Note that width, height, depth == 0 is not an error. However, a
1236 * texture with zero width/height/depth will be considered "incomplete"
1237 * and texturing will effectively be disabled.
1239 * \param target any texture target/type
1240 * \param numLevels number of mipmap levels in the texture or 0 if not known
1241 * \param level as passed to glTexImage
1242 * \param format the MESA_FORMAT_x for the tex image
1243 * \param numSamples number of samples per texel
1244 * \param width as passed to glTexImage
1245 * \param height as passed to glTexImage
1246 * \param depth as passed to glTexImage
1247 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1250 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
,
1251 GLuint numLevels
, GLint level
,
1252 mesa_format format
, GLuint numSamples
,
1253 GLint width
, GLint height
, GLint depth
)
1255 uint64_t bytes
, mbytes
;
1257 if (numLevels
> 0) {
1258 /* Compute total memory for a whole mipmap. This is the path
1259 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1267 for (l
= 0; l
< numLevels
; l
++) {
1268 GLint nextWidth
, nextHeight
, nextDepth
;
1270 bytes
+= _mesa_format_image_size64(format
, width
, height
, depth
);
1272 if (_mesa_next_mipmap_level_size(target
, 0, width
, height
, depth
,
1273 &nextWidth
, &nextHeight
,
1276 height
= nextHeight
;
1283 /* We just compute the size of one mipmap level. This is the path
1284 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1286 bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1289 bytes
*= _mesa_num_tex_faces(target
);
1290 bytes
*= MAX2(1, numSamples
);
1292 mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1294 /* We just check if the image size is less than MaxTextureMbytes.
1295 * Some drivers may do more specific checks.
1297 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1302 * Return true if the format is only valid for glCompressedTexImage.
1305 compressedteximage_only_format(const struct gl_context
*ctx
, GLenum format
)
1308 case GL_PALETTE4_RGB8_OES
:
1309 case GL_PALETTE4_RGBA8_OES
:
1310 case GL_PALETTE4_R5_G6_B5_OES
:
1311 case GL_PALETTE4_RGBA4_OES
:
1312 case GL_PALETTE4_RGB5_A1_OES
:
1313 case GL_PALETTE8_RGB8_OES
:
1314 case GL_PALETTE8_RGBA8_OES
:
1315 case GL_PALETTE8_R5_G6_B5_OES
:
1316 case GL_PALETTE8_RGBA4_OES
:
1317 case GL_PALETTE8_RGB5_A1_OES
:
1325 * Return true if the format doesn't support online compression.
1328 _mesa_format_no_online_compression(const struct gl_context
*ctx
, GLenum format
)
1330 return _mesa_is_astc_format(format
) ||
1331 _mesa_is_etc2_format(format
) ||
1332 compressedteximage_only_format(ctx
, format
);
1335 /* Writes to an GL error pointer if non-null and returns whether or not the
1336 * error is GL_NO_ERROR */
1338 write_error(GLenum
*err_ptr
, GLenum error
)
1343 return error
== GL_NO_ERROR
;
1347 * Helper function to determine whether a target and specific compression
1348 * format are supported. The error parameter returns GL_NO_ERROR if the
1349 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1350 * or GL_INVALID_ENUM, whichever is more appropriate.
1353 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1354 GLenum intFormat
, GLenum
*error
)
1356 GLboolean target_can_be_compresed
= GL_FALSE
;
1357 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1358 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1362 case GL_PROXY_TEXTURE_2D
:
1363 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1365 case GL_PROXY_TEXTURE_CUBE_MAP
:
1366 case GL_TEXTURE_CUBE_MAP
:
1367 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1368 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1369 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1370 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1371 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1372 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1373 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1375 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1376 case GL_TEXTURE_2D_ARRAY_EXT
:
1377 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1379 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1380 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1381 /* From the KHR_texture_compression_astc_hdr spec:
1383 * Add a second new column "3D Tex." which is empty for all non-ASTC
1384 * formats. If only the LDR profile is supported by the
1385 * implementation, this column is also empty for all ASTC formats. If
1386 * both the LDR and HDR profiles are supported only, this column is
1387 * checked for all ASTC formats.
1389 * Add a third new column "Cube Map Array Tex." which is empty for all
1390 * non-ASTC formats, and checked for all ASTC formats.
1394 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1395 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1396 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1397 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1398 * 8.19 is *not* checked'
1400 * The instances of <internalformat> above should say <target>.
1402 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1403 * have already been handled by normal ETC2/EAC behavior.
1406 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1408 * "The ETC2/EAC texture compression algorithm supports only
1409 * two-dimensional images. If internalformat is an ETC2/EAC format,
1410 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1411 * target is not TEXTURE_2D_ARRAY."
1413 * This should also be applicable for glTexStorage3D(). Other available
1414 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1416 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
))
1417 return write_error(error
, GL_INVALID_OPERATION
);
1418 target_can_be_compresed
= _mesa_has_texture_cube_map_array(ctx
);
1422 case MESA_FORMAT_LAYOUT_ETC2
:
1423 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1424 if (_mesa_is_gles3(ctx
))
1425 return write_error(error
, GL_INVALID_OPERATION
);
1427 case MESA_FORMAT_LAYOUT_BPTC
:
1428 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1430 case MESA_FORMAT_LAYOUT_ASTC
:
1431 target_can_be_compresed
=
1432 ctx
->Extensions
.KHR_texture_compression_astc_hdr
||
1433 ctx
->Extensions
.KHR_texture_compression_astc_sliced_3d
;
1435 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1436 * neither of the above extensions are supported. See comment in
1437 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1439 if (!target_can_be_compresed
)
1440 return write_error(error
, GL_INVALID_OPERATION
);
1448 return write_error(error
,
1449 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1454 * Check if the given texture target value is legal for a
1455 * glTexImage1/2/3D call.
1458 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1464 case GL_PROXY_TEXTURE_1D
:
1465 return _mesa_is_desktop_gl(ctx
);
1473 case GL_PROXY_TEXTURE_2D
:
1474 return _mesa_is_desktop_gl(ctx
);
1475 case GL_PROXY_TEXTURE_CUBE_MAP
:
1476 return _mesa_is_desktop_gl(ctx
)
1477 && ctx
->Extensions
.ARB_texture_cube_map
;
1478 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1479 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1480 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1481 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1482 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1483 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1484 return ctx
->Extensions
.ARB_texture_cube_map
;
1485 case GL_TEXTURE_RECTANGLE_NV
:
1486 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1487 return _mesa_is_desktop_gl(ctx
)
1488 && ctx
->Extensions
.NV_texture_rectangle
;
1489 case GL_TEXTURE_1D_ARRAY_EXT
:
1490 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1491 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1499 case GL_PROXY_TEXTURE_3D
:
1500 return _mesa_is_desktop_gl(ctx
);
1501 case GL_TEXTURE_2D_ARRAY_EXT
:
1502 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1503 || _mesa_is_gles3(ctx
);
1504 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1505 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1506 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1507 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1508 return _mesa_has_texture_cube_map_array(ctx
);
1513 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1520 * Check if the given texture target value is legal for a
1521 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1522 * The difference compared to legal_teximage_target() above is that
1523 * proxy targets are not supported.
1526 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1531 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1536 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1537 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1538 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1539 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1540 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1541 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1542 return ctx
->Extensions
.ARB_texture_cube_map
;
1543 case GL_TEXTURE_RECTANGLE_NV
:
1544 return _mesa_is_desktop_gl(ctx
)
1545 && ctx
->Extensions
.NV_texture_rectangle
;
1546 case GL_TEXTURE_1D_ARRAY_EXT
:
1547 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1555 case GL_TEXTURE_2D_ARRAY_EXT
:
1556 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1557 || _mesa_is_gles3(ctx
);
1558 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1559 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1560 return _mesa_has_texture_cube_map_array(ctx
);
1562 /* Table 8.15 of the OpenGL 4.5 core profile spec
1563 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1564 * and CopyTextureSubImage3D.
1566 case GL_TEXTURE_CUBE_MAP
:
1572 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1580 * Helper function to determine if a texture object is mutable (in terms
1581 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1584 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1586 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1590 if (texObj
->HandleAllocated
) {
1591 /* The ARB_bindless_texture spec says:
1593 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1594 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1595 * functions defined in terms of these, if the texture object to be
1596 * modified is referenced by one or more texture or image handles."
1601 return !texObj
->Immutable
;
1606 * Return expected size of a compressed texture.
1609 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1612 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1613 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1617 * Verify that a texture format is valid with a particular target
1619 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1620 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1623 * \param ctx GL context
1624 * \param target Texture target
1625 * \param internalFormat Internal format of the texture image
1627 * \returns true if the combination is legal, false otherwise.
1630 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1631 GLenum target
, GLenum internalFormat
)
1633 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
1634 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
1635 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
1636 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1637 * Profile spec says:
1639 * "Textures with a base internal format of DEPTH_COMPONENT or
1640 * DEPTH_STENCIL are supported by texture image specification
1641 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1642 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1643 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1644 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1645 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1646 * formats in conjunction with any other target will result in an
1647 * INVALID_OPERATION error."
1649 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1650 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1652 if (target
!= GL_TEXTURE_1D
&&
1653 target
!= GL_PROXY_TEXTURE_1D
&&
1654 target
!= GL_TEXTURE_2D
&&
1655 target
!= GL_PROXY_TEXTURE_2D
&&
1656 target
!= GL_TEXTURE_1D_ARRAY
&&
1657 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
1658 target
!= GL_TEXTURE_2D_ARRAY
&&
1659 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
1660 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1661 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
1662 !((_mesa_is_cube_face(target
) ||
1663 target
== GL_TEXTURE_CUBE_MAP
||
1664 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
1665 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
1666 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
1667 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
1668 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
1669 _mesa_has_texture_cube_map_array(ctx
))) {
1678 texture_formats_agree(GLenum internalFormat
,
1681 GLboolean colorFormat
;
1682 GLboolean is_format_depth_or_depthstencil
;
1683 GLboolean is_internalFormat_depth_or_depthstencil
;
1685 /* Even though there are no color-index textures, we still have to support
1686 * uploading color-index data and remapping it to RGB via the
1687 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1689 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
1691 is_internalFormat_depth_or_depthstencil
=
1692 _mesa_is_depth_format(internalFormat
) ||
1693 _mesa_is_depthstencil_format(internalFormat
);
1695 is_format_depth_or_depthstencil
=
1696 _mesa_is_depth_format(format
) ||
1697 _mesa_is_depthstencil_format(format
);
1699 colorFormat
= _mesa_is_color_format(format
);
1701 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
1704 if (is_internalFormat_depth_or_depthstencil
!=
1705 is_format_depth_or_depthstencil
)
1708 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
1715 * Test the combination of format, type and internal format arguments of
1716 * different texture operations on GLES.
1718 * \param ctx GL context.
1719 * \param format pixel data format given by the user.
1720 * \param type pixel data type given by the user.
1721 * \param internalFormat internal format given by the user.
1722 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1723 * \param callerName name of the caller function to print in the error message
1725 * \return true if a error is found, false otherwise
1727 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1730 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
1731 GLenum type
, GLenum internalFormat
,
1732 GLuint dimensions
, const char *callerName
)
1736 if (_mesa_is_gles3(ctx
)) {
1737 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
1739 if (err
!= GL_NO_ERROR
) {
1740 _mesa_error(ctx
, err
,
1741 "%s(format = %s, type = %s, internalformat = %s)",
1742 callerName
, _mesa_enum_to_string(format
),
1743 _mesa_enum_to_string(type
),
1744 _mesa_enum_to_string(internalFormat
));
1749 err
= _mesa_es_error_check_format_and_type(ctx
, format
, type
, dimensions
);
1750 if (err
!= GL_NO_ERROR
) {
1751 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
1752 callerName
, _mesa_enum_to_string(format
),
1753 _mesa_enum_to_string(type
));
1762 * Test the glTexImage[123]D() parameters for errors.
1764 * \param ctx GL context.
1765 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1766 * \param target texture target given by the user (already validated).
1767 * \param level image level given by the user.
1768 * \param internalFormat internal format given by the user.
1769 * \param format pixel data format given by the user.
1770 * \param type pixel data type given by the user.
1771 * \param width image width given by the user.
1772 * \param height image height given by the user.
1773 * \param depth image depth given by the user.
1774 * \param border image border given by the user.
1776 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1778 * Verifies each of the parameters against the constants specified in
1779 * __struct gl_contextRec::Const and the supported extensions, and according
1780 * to the OpenGL specification.
1781 * Note that we don't fully error-check the width, height, depth values
1782 * here. That's done in _mesa_legal_texture_dimensions() which is used
1783 * by several other GL entrypoints. Plus, texture dims have a special
1784 * interaction with proxy textures.
1787 texture_error_check( struct gl_context
*ctx
,
1788 GLuint dimensions
, GLenum target
,
1789 GLint level
, GLint internalFormat
,
1790 GLenum format
, GLenum type
,
1791 GLint width
, GLint height
,
1792 GLint depth
, GLint border
,
1793 const GLvoid
*pixels
)
1797 /* Note: for proxy textures, some error conditions immediately generate
1798 * a GL error in the usual way. But others do not generate a GL error.
1799 * Instead, they cause the width, height, depth, format fields of the
1800 * texture image to be zeroed-out. The GL spec seems to indicate that the
1801 * zero-out behaviour is only used in cases related to memory allocation.
1805 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
1806 _mesa_error(ctx
, GL_INVALID_VALUE
,
1807 "glTexImage%dD(level=%d)", dimensions
, level
);
1812 if (border
< 0 || border
> 1 ||
1813 ((ctx
->API
!= API_OPENGL_COMPAT
||
1814 target
== GL_TEXTURE_RECTANGLE_NV
||
1815 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1816 _mesa_error(ctx
, GL_INVALID_VALUE
,
1817 "glTexImage%dD(border=%d)", dimensions
, border
);
1821 if (width
< 0 || height
< 0 || depth
< 0) {
1822 _mesa_error(ctx
, GL_INVALID_VALUE
,
1823 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1827 /* Check incoming image format and type */
1828 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
1829 if (err
!= GL_NO_ERROR
) {
1830 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1831 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1833 * "Specifying a value for internalformat that is not one of the
1834 * above (acceptable) values generates the error INVALID VALUE."
1836 if (err
== GL_INVALID_ENUM
&& _mesa_is_gles(ctx
) && ctx
->Version
< 20)
1837 err
= GL_INVALID_VALUE
;
1839 _mesa_error(ctx
, err
,
1840 "glTexImage%dD(incompatible format = %s, type = %s)",
1841 dimensions
, _mesa_enum_to_string(format
),
1842 _mesa_enum_to_string(type
));
1846 /* Check internalFormat */
1847 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1848 _mesa_error(ctx
, GL_INVALID_VALUE
,
1849 "glTexImage%dD(internalFormat=%s)",
1850 dimensions
, _mesa_enum_to_string(internalFormat
));
1854 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1855 * combinations of format, internalFormat, and type that can be used.
1856 * Formats and types that require additional extensions (e.g., GL_FLOAT
1857 * requires GL_OES_texture_float) are filtered elsewhere.
1859 if (_mesa_is_gles(ctx
) &&
1860 texture_format_error_check_gles(ctx
, format
, type
, internalFormat
,
1861 dimensions
, "glTexImage%dD")) {
1865 /* validate the bound PBO, if any */
1866 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
1867 width
, height
, depth
, format
, type
,
1868 INT_MAX
, pixels
, "glTexImage")) {
1872 /* make sure internal format and format basically agree */
1873 if (!texture_formats_agree(internalFormat
, format
)) {
1874 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1875 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1876 dimensions
, _mesa_enum_to_string(internalFormat
),
1877 _mesa_enum_to_string(format
));
1881 /* additional checks for ycbcr textures */
1882 if (internalFormat
== GL_YCBCR_MESA
) {
1883 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
1884 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1885 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1887 _mesa_snprintf(message
, sizeof(message
),
1888 "glTexImage%dD(format/type YCBCR mismatch)",
1890 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1891 return GL_TRUE
; /* error */
1893 if (target
!= GL_TEXTURE_2D
&&
1894 target
!= GL_PROXY_TEXTURE_2D
&&
1895 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1896 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1897 _mesa_error(ctx
, GL_INVALID_ENUM
,
1898 "glTexImage%dD(bad target for YCbCr texture)",
1904 _mesa_snprintf(message
, sizeof(message
),
1905 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1906 dimensions
, border
);
1907 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1912 /* additional checks for depth textures */
1913 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
)) {
1914 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1915 "glTexImage%dD(bad target for texture)", dimensions
);
1919 /* additional checks for compressed textures */
1920 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1922 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
1923 _mesa_error(ctx
, err
,
1924 "glTexImage%dD(target can't be compressed)", dimensions
);
1927 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
1928 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1929 "glTexImage%dD(no compression for format)", dimensions
);
1933 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1934 "glTexImage%dD(border!=0)", dimensions
);
1939 /* additional checks for integer textures */
1940 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
1941 (_mesa_is_enum_format_integer(format
) !=
1942 _mesa_is_enum_format_integer(internalFormat
))) {
1943 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1944 "glTexImage%dD(integer/non-integer format mismatch)",
1949 if (!mutable_tex_object(ctx
, target
)) {
1950 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1951 "glTexImage%dD(immutable texture)", dimensions
);
1955 /* if we get here, the parameters are OK */
1961 * Error checking for glCompressedTexImage[123]D().
1962 * Note that the width, height and depth values are not fully error checked
1964 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1967 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
1968 GLenum target
, GLint level
,
1969 GLenum internalFormat
, GLsizei width
,
1970 GLsizei height
, GLsizei depth
, GLint border
,
1971 GLsizei imageSize
, const GLvoid
*data
)
1973 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
1975 GLenum error
= GL_NO_ERROR
;
1976 char *reason
= ""; /* no error */
1978 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
1983 /* This will detect any invalid internalFormat value */
1984 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
1985 _mesa_error(ctx
, GL_INVALID_ENUM
,
1986 "glCompressedTexImage%dD(internalFormat=%s)",
1987 dimensions
, _mesa_enum_to_string(internalFormat
));
1991 /* validate the bound PBO, if any */
1992 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
1994 "glCompressedTexImage")) {
1998 switch (internalFormat
) {
1999 case GL_PALETTE4_RGB8_OES
:
2000 case GL_PALETTE4_RGBA8_OES
:
2001 case GL_PALETTE4_R5_G6_B5_OES
:
2002 case GL_PALETTE4_RGBA4_OES
:
2003 case GL_PALETTE4_RGB5_A1_OES
:
2004 case GL_PALETTE8_RGB8_OES
:
2005 case GL_PALETTE8_RGBA8_OES
:
2006 case GL_PALETTE8_R5_G6_B5_OES
:
2007 case GL_PALETTE8_RGBA4_OES
:
2008 case GL_PALETTE8_RGB5_A1_OES
:
2009 /* check level (note that level should be zero or less!) */
2010 if (level
> 0 || level
< -maxLevels
) {
2012 error
= GL_INVALID_VALUE
;
2016 if (dimensions
!= 2) {
2017 reason
= "compressed paletted textures must be 2D";
2018 error
= GL_INVALID_OPERATION
;
2022 /* Figure out the expected texture size (in bytes). This will be
2023 * checked against the actual size later.
2025 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2028 /* This is for the benefit of the TestProxyTexImage below. It expects
2029 * level to be non-negative. OES_compressed_paletted_texture uses a
2030 * weird mechanism where the level specified to glCompressedTexImage2D
2031 * is -(n-1) number of levels in the texture, and the data specifies the
2032 * complete mipmap stack. This is done to ensure the palette is the
2033 * same for all levels.
2040 if (level
< 0 || level
>= maxLevels
) {
2042 error
= GL_INVALID_VALUE
;
2046 /* Figure out the expected texture size (in bytes). This will be
2047 * checked against the actual size later.
2049 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2053 /* This should really never fail */
2054 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2055 reason
= "internalFormat";
2056 error
= GL_INVALID_ENUM
;
2060 /* No compressed formats support borders at this time */
2062 reason
= "border != 0";
2063 error
= GL_INVALID_VALUE
;
2067 /* Check for invalid pixel storage modes */
2068 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2070 "glCompressedTexImage")) {
2074 /* check image size in bytes */
2075 if (expectedSize
!= imageSize
) {
2076 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2077 * if <imageSize> is not consistent with the format, dimensions, and
2078 * contents of the specified image.
2080 reason
= "imageSize inconsistent with width/height/format";
2081 error
= GL_INVALID_VALUE
;
2085 if (!mutable_tex_object(ctx
, target
)) {
2086 reason
= "immutable texture";
2087 error
= GL_INVALID_OPERATION
;
2094 /* Note: not all error paths exit through here. */
2095 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2096 dimensions
, reason
);
2103 * Test glTexSubImage[123]D() parameters for errors.
2105 * \param ctx GL context.
2106 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2107 * \param target texture target given by the user (already validated)
2108 * \param level image level given by the user.
2109 * \param xoffset sub-image x offset given by the user.
2110 * \param yoffset sub-image y offset given by the user.
2111 * \param zoffset sub-image z offset given by the user.
2112 * \param format pixel data format given by the user.
2113 * \param type pixel data type given by the user.
2114 * \param width image width given by the user.
2115 * \param height image height given by the user.
2116 * \param depth image depth given by the user.
2118 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2120 * Verifies each of the parameters against the constants specified in
2121 * __struct gl_contextRec::Const and the supported extensions, and according
2122 * to the OpenGL specification.
2125 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2126 struct gl_texture_object
*texObj
,
2127 GLenum target
, GLint level
,
2128 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2129 GLint width
, GLint height
, GLint depth
,
2130 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2131 bool dsa
, const char *callerName
)
2133 struct gl_texture_image
*texImage
;
2137 /* must be out of memory */
2138 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2143 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2144 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2148 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2149 width
, height
, depth
,
2154 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2156 /* non-existant texture level */
2157 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
2162 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2163 if (err
!= GL_NO_ERROR
) {
2164 _mesa_error(ctx
, err
,
2165 "%s(incompatible format = %s, type = %s)",
2166 callerName
, _mesa_enum_to_string(format
),
2167 _mesa_enum_to_string(type
));
2171 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2172 * combinations of format, internalFormat, and type that can be used.
2173 * Formats and types that require additional extensions (e.g., GL_FLOAT
2174 * requires GL_OES_texture_float) are filtered elsewhere.
2176 if (_mesa_is_gles(ctx
) &&
2177 texture_format_error_check_gles(ctx
, format
, type
,
2178 texImage
->InternalFormat
,
2179 dimensions
, callerName
)) {
2183 /* validate the bound PBO, if any */
2184 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2185 width
, height
, depth
, format
, type
,
2186 INT_MAX
, pixels
, callerName
)) {
2190 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2191 texImage
, xoffset
, yoffset
, zoffset
,
2192 width
, height
, depth
, callerName
)) {
2196 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2197 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2198 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2199 "%s(no compression for format)", callerName
);
2204 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2205 /* both source and dest must be integer-valued, or neither */
2206 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2207 _mesa_is_enum_format_integer(format
)) {
2208 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2209 "%s(integer/non-integer format mismatch)", callerName
);
2219 * Test glCopyTexImage[12]D() parameters for errors.
2221 * \param ctx GL context.
2222 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2223 * \param target texture target given by the user.
2224 * \param level image level given by the user.
2225 * \param internalFormat internal format given by the user.
2226 * \param width image width given by the user.
2227 * \param height image height given by the user.
2228 * \param border texture border.
2230 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2232 * Verifies each of the parameters against the constants specified in
2233 * __struct gl_contextRec::Const and the supported extensions, and according
2234 * to the OpenGL specification.
2237 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2238 GLenum target
, GLint level
, GLint internalFormat
,
2239 GLint width
, GLint height
, GLint border
)
2242 GLint rb_base_format
;
2243 struct gl_renderbuffer
*rb
;
2244 GLenum rb_internal_format
;
2247 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2248 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2249 dimensions
, _mesa_enum_to_string(target
));
2254 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2255 _mesa_error(ctx
, GL_INVALID_VALUE
,
2256 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2260 /* Check that the source buffer is complete */
2261 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2262 if (ctx
->ReadBuffer
->_Status
== 0) {
2263 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2265 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2266 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2267 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2271 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2272 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2273 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2279 if (border
< 0 || border
> 1 ||
2280 ((ctx
->API
!= API_OPENGL_COMPAT
||
2281 target
== GL_TEXTURE_RECTANGLE_NV
||
2282 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2283 _mesa_error(ctx
, GL_INVALID_VALUE
,
2284 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2288 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2291 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2292 switch (internalFormat
) {
2297 case GL_LUMINANCE_ALPHA
:
2300 _mesa_error(ctx
, GL_INVALID_ENUM
,
2301 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2302 _mesa_enum_to_string(internalFormat
));
2307 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2308 * OpenGL 4.5 (Compatibility Profile) spec says:
2310 * "Parameters level, internalformat, and border are specified using
2311 * the same values, with the same meanings, as the corresponding
2312 * arguments of TexImage2D, except that internalformat may not be
2313 * specified as 1, 2, 3, or 4."
2315 if (internalFormat
>= 1 && internalFormat
<= 4) {
2316 _mesa_error(ctx
, GL_INVALID_ENUM
,
2317 "glCopyTexImage%dD(internalFormat=%d)", dimensions
,
2323 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2324 if (baseFormat
< 0) {
2325 _mesa_error(ctx
, GL_INVALID_ENUM
,
2326 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2327 _mesa_enum_to_string(internalFormat
));
2331 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2333 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2334 "glCopyTexImage%dD(read buffer)", dimensions
);
2338 rb_internal_format
= rb
->InternalFormat
;
2339 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2340 if (_mesa_is_color_format(internalFormat
)) {
2341 if (rb_base_format
< 0) {
2342 _mesa_error(ctx
, GL_INVALID_VALUE
,
2343 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2344 _mesa_enum_to_string(internalFormat
));
2349 if (_mesa_is_gles(ctx
)) {
2351 if (_mesa_base_format_component_count(baseFormat
) >
2352 _mesa_base_format_component_count(rb_base_format
)) {
2355 if (baseFormat
== GL_DEPTH_COMPONENT
||
2356 baseFormat
== GL_DEPTH_STENCIL
||
2357 baseFormat
== GL_STENCIL_INDEX
||
2358 rb_base_format
== GL_DEPTH_COMPONENT
||
2359 rb_base_format
== GL_DEPTH_STENCIL
||
2360 rb_base_format
== GL_STENCIL_INDEX
||
2361 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2362 baseFormat
== GL_ALPHA
) &&
2363 rb_base_format
!= GL_RGBA
) ||
2364 internalFormat
== GL_RGB9_E5
) {
2367 if (internalFormat
== GL_RGB9_E5
) {
2371 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2372 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2373 _mesa_enum_to_string(internalFormat
));
2378 if (_mesa_is_gles3(ctx
)) {
2379 bool rb_is_srgb
= false;
2380 bool dst_is_srgb
= false;
2382 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2383 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2387 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2391 if (rb_is_srgb
!= dst_is_srgb
) {
2392 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2393 * OpenGLES 3.0.0 spec says:
2395 * "The error INVALID_OPERATION is also generated if the
2396 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2397 * framebuffer attachment corresponding to the read buffer
2398 * is LINEAR (see section 6.1.13) and internalformat is
2399 * one of the sRGB formats described in section 3.8.16, or
2400 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2401 * SRGB and internalformat is not one of the sRGB formats."
2403 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2404 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2408 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2409 * types for SNORM formats. Also, conversion to SNORM formats is not
2410 * allowed by Table 3.2 on Page 110.
2412 if (_mesa_is_enum_format_snorm(internalFormat
)) {
2413 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2414 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2415 _mesa_enum_to_string(internalFormat
));
2420 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2421 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2422 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2426 /* From the EXT_texture_integer spec:
2428 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2429 * if the texture internalformat is an integer format and the read color
2430 * buffer is not an integer format, or if the internalformat is not an
2431 * integer format and the read color buffer is an integer format."
2433 if (_mesa_is_color_format(internalFormat
)) {
2434 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2435 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2436 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2437 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2438 if (is_int
|| is_rbint
) {
2439 if (is_int
!= is_rbint
) {
2440 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2441 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2443 } else if (_mesa_is_gles(ctx
) &&
2444 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2445 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2446 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2447 "glCopyTexImage%dD(signed vs unsigned integer)",
2453 /* From page 138 of OpenGL ES 3.0 spec:
2454 * "The error INVALID_OPERATION is generated if floating-point RGBA
2455 * data is required; if signed integer RGBA data is required and the
2456 * format of the current color buffer is not signed integer; if
2457 * unsigned integer RGBA data is required and the format of the
2458 * current color buffer is not unsigned integer; or if fixed-point
2459 * RGBA data is required and the format of the current color buffer
2460 * is not fixed-point.
2462 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2463 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2464 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2467 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2469 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2470 _mesa_error(ctx
, err
,
2471 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2474 if (_mesa_format_no_online_compression(ctx
, internalFormat
)) {
2475 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2476 "glCopyTexImage%dD(no compression for format)", dimensions
);
2480 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2481 "glCopyTexImage%dD(border!=0)", dimensions
);
2486 if (!mutable_tex_object(ctx
, target
)) {
2487 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2488 "glCopyTexImage%dD(immutable texture)", dimensions
);
2492 /* if we get here, the parameters are OK */
2498 * Test glCopyTexSubImage[12]D() parameters for errors.
2499 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2502 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2503 const struct gl_texture_object
*texObj
,
2504 GLenum target
, GLint level
,
2505 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2506 GLint width
, GLint height
, const char *caller
)
2510 struct gl_texture_image
*texImage
;
2512 /* Check that the source buffer is complete */
2513 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2514 if (ctx
->ReadBuffer
->_Status
== 0) {
2515 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2517 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2518 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2519 "%s(invalid readbuffer)", caller
);
2523 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2524 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2525 "%s(multisample FBO)", caller
);
2531 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2532 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2536 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2538 /* destination image does not exist */
2539 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2540 "%s(invalid texture level %d)", caller
, level
);
2544 if (error_check_subtexture_negative_dimensions(ctx
, dimensions
,
2545 width
, height
, 1, caller
)) {
2549 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2550 xoffset
, yoffset
, zoffset
,
2551 width
, height
, 1, caller
)) {
2555 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2556 if (_mesa_format_no_online_compression(ctx
, texImage
->InternalFormat
)) {
2557 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2558 "%s(no compression for format)", caller
);
2563 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2564 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2568 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2569 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2570 "%s(missing readbuffer, format=%s)", caller
,
2571 _mesa_enum_to_string(texImage
->_BaseFormat
));
2575 /* From the EXT_texture_integer spec:
2577 * "INVALID_OPERATION is generated by CopyTexImage* and
2578 * CopyTexSubImage* if the texture internalformat is an integer format
2579 * and the read color buffer is not an integer format, or if the
2580 * internalformat is not an integer format and the read color buffer
2581 * is an integer format."
2583 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2584 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2586 if (_mesa_is_format_integer_color(rb
->Format
) !=
2587 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2588 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2589 "%s(integer vs non-integer)", caller
);
2594 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2595 * framebuffer/destination texture base internal format combinations),
2596 * all the entries for stencil are left blank (unsupported).
2598 if (_mesa_is_gles(ctx
) && _mesa_is_stencil_format(texImage
->_BaseFormat
)) {
2599 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(stencil disallowed)", caller
);
2603 /* if we get here, the parameters are OK */
2608 /** Callback info for walking over FBO hash table */
2611 struct gl_context
*ctx
;
2612 struct gl_texture_object
*texObj
;
2618 * Check render to texture callback. Called from _mesa_HashWalk().
2621 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2623 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2624 const struct cb_info
*info
= (struct cb_info
*) userData
;
2625 struct gl_context
*ctx
= info
->ctx
;
2626 const struct gl_texture_object
*texObj
= info
->texObj
;
2627 const GLuint level
= info
->level
, face
= info
->face
;
2629 /* If this is a user-created FBO */
2630 if (_mesa_is_user_fbo(fb
)) {
2632 /* check if any of the FBO's attachments point to 'texObj' */
2633 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2634 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2635 if (att
->Type
== GL_TEXTURE
&&
2636 att
->Texture
== texObj
&&
2637 att
->TextureLevel
== level
&&
2638 att
->CubeMapFace
== face
) {
2639 _mesa_update_texture_renderbuffer(ctx
, fb
, att
);
2640 assert(att
->Renderbuffer
->TexImage
);
2641 /* Mark fb status as indeterminate to force re-validation */
2644 /* Make sure that the revalidation actually happens if this is
2645 * being done to currently-bound buffers.
2647 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
)
2648 ctx
->NewState
|= _NEW_BUFFERS
;
2656 * When a texture image is specified we have to check if it's bound to
2657 * any framebuffer objects (render to texture) in order to detect changes
2658 * in size or format since that effects FBO completeness.
2659 * Any FBOs rendering into the texture must be re-validated.
2662 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2663 struct gl_texture_object
*texObj
,
2664 GLuint face
, GLuint level
)
2666 /* Only check this texture if it's been marked as RenderToTexture */
2667 if (texObj
->_RenderToTexture
) {
2668 struct cb_info info
;
2670 info
.texObj
= texObj
;
2673 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2679 * If the texture object's GenerateMipmap flag is set and we've
2680 * changed the texture base level image, regenerate the rest of the
2681 * mipmap levels now.
2684 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2685 struct gl_texture_object
*texObj
, GLint level
)
2687 if (texObj
->GenerateMipmap
&&
2688 level
== texObj
->BaseLevel
&&
2689 level
< texObj
->MaxLevel
) {
2690 assert(ctx
->Driver
.GenerateMipmap
);
2691 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2696 /** Debug helper: override the user-requested internal format */
2698 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2701 if (internalFormat
== GL_RGBA16F_ARB
||
2702 internalFormat
== GL_RGBA32F_ARB
) {
2703 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2706 else if (internalFormat
== GL_RGB16F_ARB
||
2707 internalFormat
== GL_RGB32F_ARB
) {
2708 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2711 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2712 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2713 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2714 return GL_LUMINANCE_ALPHA
;
2716 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2717 internalFormat
== GL_LUMINANCE32F_ARB
) {
2718 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2719 return GL_LUMINANCE
;
2721 else if (internalFormat
== GL_ALPHA16F_ARB
||
2722 internalFormat
== GL_ALPHA32F_ARB
) {
2723 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2727 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2728 internalFormat = GL_RGBA;
2732 return internalFormat
;
2735 return internalFormat
;
2741 * Choose the actual hardware format for a texture image.
2742 * Try to use the same format as the previous image level when possible.
2743 * Otherwise, ask the driver for the best format.
2744 * It's important to try to choose a consistant format for all levels
2745 * for efficient texture memory layout/allocation. In particular, this
2746 * comes up during automatic mipmap generation.
2749 _mesa_choose_texture_format(struct gl_context
*ctx
,
2750 struct gl_texture_object
*texObj
,
2751 GLenum target
, GLint level
,
2752 GLenum internalFormat
, GLenum format
, GLenum type
)
2756 /* see if we've already chosen a format for the previous level */
2758 struct gl_texture_image
*prevImage
=
2759 _mesa_select_tex_image(texObj
, target
, level
- 1);
2760 /* See if the prev level is defined and has an internal format which
2761 * matches the new internal format.
2764 prevImage
->Width
> 0 &&
2765 prevImage
->InternalFormat
== internalFormat
) {
2766 /* use the same format */
2767 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2768 return prevImage
->TexFormat
;
2772 /* If the application requested compression to an S3TC format but we don't
2773 * have the DXTn library, force a generic compressed format instead.
2775 if (internalFormat
!= format
&& format
!= GL_NONE
) {
2776 const GLenum before
= internalFormat
;
2778 switch (internalFormat
) {
2779 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
2780 if (!ctx
->Mesa_DXTn
)
2781 internalFormat
= GL_COMPRESSED_RGB
;
2783 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
2784 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
2785 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
2786 if (!ctx
->Mesa_DXTn
)
2787 internalFormat
= GL_COMPRESSED_RGBA
;
2793 if (before
!= internalFormat
) {
2795 "DXT compression requested (%s), "
2796 "but libtxc_dxtn library not installed. Using %s "
2798 _mesa_enum_to_string(before
),
2799 _mesa_enum_to_string(internalFormat
));
2803 /* choose format from scratch */
2804 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
2806 assert(f
!= MESA_FORMAT_NONE
);
2812 * Adjust pixel unpack params and image dimensions to strip off the
2813 * one-pixel texture border.
2815 * Gallium and intel don't support texture borders. They've seldem been used
2816 * and seldom been implemented correctly anyway.
2818 * \param unpackNew returns the new pixel unpack parameters
2821 strip_texture_border(GLenum target
,
2822 GLint
*width
, GLint
*height
, GLint
*depth
,
2823 const struct gl_pixelstore_attrib
*unpack
,
2824 struct gl_pixelstore_attrib
*unpackNew
)
2830 *unpackNew
= *unpack
;
2832 if (unpackNew
->RowLength
== 0)
2833 unpackNew
->RowLength
= *width
;
2835 if (unpackNew
->ImageHeight
== 0)
2836 unpackNew
->ImageHeight
= *height
;
2838 assert(*width
>= 3);
2839 unpackNew
->SkipPixels
++; /* skip the border */
2840 *width
= *width
- 2; /* reduce the width by two border pixels */
2842 /* The min height of a texture with a border is 3 */
2843 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
2844 unpackNew
->SkipRows
++; /* skip the border */
2845 *height
= *height
- 2; /* reduce the height by two border pixels */
2849 target
!= GL_TEXTURE_2D_ARRAY
&&
2850 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
2851 unpackNew
->SkipImages
++; /* skip the border */
2852 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
2858 * Common code to implement all the glTexImage1D/2D/3D functions
2859 * as well as glCompressedTexImage1D/2D/3D.
2860 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2861 * \param format the user's image format (only used if !compressed)
2862 * \param type the user's image type (only used if !compressed)
2863 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2865 static ALWAYS_INLINE
void
2866 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
2867 GLenum target
, GLint level
, GLint internalFormat
,
2868 GLsizei width
, GLsizei height
, GLsizei depth
,
2869 GLint border
, GLenum format
, GLenum type
,
2870 GLsizei imageSize
, const GLvoid
*pixels
, bool no_error
)
2872 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
2873 struct gl_pixelstore_attrib unpack_no_border
;
2874 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
2875 struct gl_texture_object
*texObj
;
2876 mesa_format texFormat
;
2877 bool dimensionsOK
= true, sizeOK
= true;
2879 FLUSH_VERTICES(ctx
, 0);
2881 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
2884 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2886 _mesa_enum_to_string(target
), level
,
2887 _mesa_enum_to_string(internalFormat
),
2888 width
, height
, depth
, border
, pixels
);
2891 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2893 _mesa_enum_to_string(target
), level
,
2894 _mesa_enum_to_string(internalFormat
),
2895 width
, height
, depth
, border
,
2896 _mesa_enum_to_string(format
),
2897 _mesa_enum_to_string(type
), pixels
);
2900 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2903 /* target error checking */
2904 if (!legal_teximage_target(ctx
, dims
, target
)) {
2905 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
2906 func
, dims
, _mesa_enum_to_string(target
));
2910 /* general error checking */
2912 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
2914 width
, height
, depth
,
2915 border
, imageSize
, pixels
))
2918 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2919 format
, type
, width
, height
, depth
, border
,
2925 /* Here we convert a cpal compressed image into a regular glTexImage2D
2926 * call by decompressing the texture. If we really want to support cpal
2927 * textures in any driver this would have to be changed.
2929 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
2930 switch (internalFormat
) {
2931 case GL_PALETTE4_RGB8_OES
:
2932 case GL_PALETTE4_RGBA8_OES
:
2933 case GL_PALETTE4_R5_G6_B5_OES
:
2934 case GL_PALETTE4_RGBA4_OES
:
2935 case GL_PALETTE4_RGB5_A1_OES
:
2936 case GL_PALETTE8_RGB8_OES
:
2937 case GL_PALETTE8_RGBA8_OES
:
2938 case GL_PALETTE8_R5_G6_B5_OES
:
2939 case GL_PALETTE8_RGBA4_OES
:
2940 case GL_PALETTE8_RGB5_A1_OES
:
2941 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
2942 width
, height
, imageSize
, pixels
);
2947 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2951 /* For glCompressedTexImage() the driver has no choice about the
2952 * texture format since we'll never transcode the user's compressed
2953 * image data. The internalFormat was error checked earlier.
2955 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
2958 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
2959 * internal floating point format for the given base format.
2961 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
2962 if (type
== GL_FLOAT
) {
2963 texObj
->_IsFloat
= GL_TRUE
;
2964 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
2965 texObj
->_IsHalfFloat
= GL_TRUE
;
2968 internalFormat
= adjust_for_oes_float_texture(ctx
, format
, type
);
2971 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2972 internalFormat
, format
, type
);
2975 assert(texFormat
!= MESA_FORMAT_NONE
);
2978 /* check that width, height, depth are legal for the mipmap level */
2979 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
2980 height
, depth
, border
);
2982 /* check that the texture won't take too much memory, etc */
2983 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
2984 0, level
, texFormat
, 1,
2985 width
, height
, depth
);
2988 if (_mesa_is_proxy_texture(target
)) {
2989 /* Proxy texture: just clear or set state depending on error checking */
2990 struct gl_texture_image
*texImage
=
2991 get_proxy_tex_image(ctx
, target
, level
);
2994 return; /* GL_OUT_OF_MEMORY already recorded */
2996 if (dimensionsOK
&& sizeOK
) {
2997 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
2998 border
, internalFormat
, texFormat
);
3001 clear_teximage_fields(texImage
);
3005 /* non-proxy target */
3006 const GLuint face
= _mesa_tex_target_to_face(target
);
3007 struct gl_texture_image
*texImage
;
3009 if (!dimensionsOK
) {
3010 _mesa_error(ctx
, GL_INVALID_VALUE
,
3011 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3012 func
, dims
, width
, height
, depth
);
3017 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3018 "%s%uD(image too large: %d x %d x %d, %s format)",
3019 func
, dims
, width
, height
, depth
,
3020 _mesa_enum_to_string(internalFormat
));
3024 /* Allow a hardware driver to just strip out the border, to provide
3025 * reliable but slightly incorrect hardware rendering instead of
3026 * rarely-tested software fallback rendering.
3028 if (border
&& ctx
->Const
.StripTextureBorder
) {
3029 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3032 unpack
= &unpack_no_border
;
3035 if (ctx
->NewState
& _NEW_PIXEL
)
3036 _mesa_update_state(ctx
);
3038 _mesa_lock_texture(ctx
, texObj
);
3040 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3043 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3046 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3048 _mesa_init_teximage_fields(ctx
, texImage
,
3049 width
, height
, depth
,
3050 border
, internalFormat
, texFormat
);
3052 /* Give the texture to the driver. <pixels> may be null. */
3053 if (width
> 0 && height
> 0 && depth
> 0) {
3055 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3059 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3060 type
, pixels
, unpack
);
3064 check_gen_mipmap(ctx
, target
, texObj
, level
);
3066 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3068 _mesa_dirty_texobj(ctx
, texObj
);
3071 _mesa_unlock_texture(ctx
, texObj
);
3076 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3077 * logic to be inlined without inlining the function into all the callers.
3080 teximage_err(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3081 GLenum target
, GLint level
, GLint internalFormat
,
3082 GLsizei width
, GLsizei height
, GLsizei depth
,
3083 GLint border
, GLenum format
, GLenum type
,
3084 GLsizei imageSize
, const GLvoid
*pixels
)
3086 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3087 depth
, border
, format
, type
, imageSize
, pixels
, false);
3092 teximage_no_error(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3093 GLenum target
, GLint level
, GLint internalFormat
,
3094 GLsizei width
, GLsizei height
, GLsizei depth
,
3095 GLint border
, GLenum format
, GLenum type
,
3096 GLsizei imageSize
, const GLvoid
*pixels
)
3098 teximage(ctx
, compressed
, dims
, target
, level
, internalFormat
, width
, height
,
3099 depth
, border
, format
, type
, imageSize
, pixels
, true);
3104 * Called from the API. Note that width includes the border.
3107 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3108 GLsizei width
, GLint border
, GLenum format
,
3109 GLenum type
, const GLvoid
*pixels
)
3111 GET_CURRENT_CONTEXT(ctx
);
3112 teximage_err(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3113 border
, format
, type
, 0, pixels
);
3118 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3119 GLsizei width
, GLsizei height
, GLint border
,
3120 GLenum format
, GLenum type
,
3121 const GLvoid
*pixels
)
3123 GET_CURRENT_CONTEXT(ctx
);
3124 teximage_err(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3125 border
, format
, type
, 0, pixels
);
3130 * Called by the API or display list executor.
3131 * Note that width and height include the border.
3134 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3135 GLsizei width
, GLsizei height
, GLsizei depth
,
3136 GLint border
, GLenum format
, GLenum type
,
3137 const GLvoid
*pixels
)
3139 GET_CURRENT_CONTEXT(ctx
);
3140 teximage_err(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3141 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3146 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3147 GLsizei width
, GLsizei height
, GLsizei depth
,
3148 GLint border
, GLenum format
, GLenum type
,
3149 const GLvoid
*pixels
)
3151 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3152 depth
, border
, format
, type
, pixels
);
3157 _mesa_TexImage1D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3158 GLsizei width
, GLint border
, GLenum format
,
3159 GLenum type
, const GLvoid
*pixels
)
3161 GET_CURRENT_CONTEXT(ctx
);
3162 teximage_no_error(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1,
3163 1, border
, format
, type
, 0, pixels
);
3168 _mesa_TexImage2D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3169 GLsizei width
, GLsizei height
, GLint border
,
3170 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3172 GET_CURRENT_CONTEXT(ctx
);
3173 teximage_no_error(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
,
3174 height
, 1, border
, format
, type
, 0, pixels
);
3179 _mesa_TexImage3D_no_error(GLenum target
, GLint level
, GLint internalFormat
,
3180 GLsizei width
, GLsizei height
, GLsizei depth
,
3181 GLint border
, GLenum format
, GLenum type
,
3182 const GLvoid
*pixels
)
3184 GET_CURRENT_CONTEXT(ctx
);
3185 teximage_no_error(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3186 width
, height
, depth
, border
, format
, type
, 0, pixels
);
3191 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3193 struct gl_texture_object
*texObj
;
3194 struct gl_texture_image
*texImage
;
3196 GET_CURRENT_CONTEXT(ctx
);
3197 FLUSH_VERTICES(ctx
, 0);
3201 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3203 case GL_TEXTURE_EXTERNAL_OES
:
3205 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3208 valid_target
= false;
3212 if (!valid_target
) {
3213 _mesa_error(ctx
, GL_INVALID_ENUM
,
3214 "glEGLImageTargetTexture2D(target=%d)", target
);
3219 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3220 "glEGLImageTargetTexture2D(image=%p)", image
);
3224 if (ctx
->NewState
& _NEW_PIXEL
)
3225 _mesa_update_state(ctx
);
3227 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3231 _mesa_lock_texture(ctx
, texObj
);
3233 if (texObj
->Immutable
) {
3234 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3235 "glEGLImageTargetTexture2D(texture is immutable)");
3236 _mesa_unlock_texture(ctx
, texObj
);
3240 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3242 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3244 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3246 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3247 texObj
, texImage
, image
);
3249 _mesa_dirty_texobj(ctx
, texObj
);
3251 _mesa_unlock_texture(ctx
, texObj
);
3256 * Helper that implements the glTexSubImage1/2/3D()
3257 * and glTextureSubImage1/2/3D() functions.
3260 texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3261 struct gl_texture_object
*texObj
,
3262 struct gl_texture_image
*texImage
,
3263 GLenum target
, GLint level
,
3264 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3265 GLsizei width
, GLsizei height
, GLsizei depth
,
3266 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3269 FLUSH_VERTICES(ctx
, 0);
3271 if (ctx
->NewState
& _NEW_PIXEL
)
3272 _mesa_update_state(ctx
);
3274 _mesa_lock_texture(ctx
, texObj
);
3276 if (width
> 0 && height
> 0 && depth
> 0) {
3277 /* If we have a border, offset=-1 is legal. Bias by border width. */
3280 if (target
!= GL_TEXTURE_2D_ARRAY
)
3281 zoffset
+= texImage
->Border
;
3284 if (target
!= GL_TEXTURE_1D_ARRAY
)
3285 yoffset
+= texImage
->Border
;
3288 xoffset
+= texImage
->Border
;
3291 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3292 xoffset
, yoffset
, zoffset
,
3293 width
, height
, depth
,
3294 format
, type
, pixels
, &ctx
->Unpack
);
3296 check_gen_mipmap(ctx
, target
, texObj
, level
);
3298 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3299 * the texel data, not the texture format, size, etc.
3303 _mesa_unlock_texture(ctx
, texObj
);
3307 * Implement all the glTexSubImage1/2/3D() functions.
3308 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3311 texsubimage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3312 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3313 GLsizei width
, GLsizei height
, GLsizei depth
,
3314 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3315 const char *callerName
)
3317 struct gl_texture_object
*texObj
;
3318 struct gl_texture_image
*texImage
;
3320 /* check target (proxies not allowed) */
3321 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3322 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3323 dims
, _mesa_enum_to_string(target
));
3327 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3331 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3332 xoffset
, yoffset
, zoffset
,
3333 width
, height
, depth
, format
, type
,
3334 pixels
, false, callerName
)) {
3335 return; /* error was detected */
3338 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3339 /* texsubimage_error_check ensures that texImage is not NULL */
3341 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3342 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3344 _mesa_enum_to_string(target
), level
,
3345 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3346 _mesa_enum_to_string(format
),
3347 _mesa_enum_to_string(type
), pixels
);
3349 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3350 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3351 format
, type
, pixels
, false);
3356 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3357 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3358 GLsizei width
, GLsizei height
, GLsizei depth
,
3359 GLenum format
, GLenum type
, const GLvoid
*pixels
)
3361 struct gl_texture_object
*texObj
;
3362 struct gl_texture_image
*texImage
;
3364 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3365 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3367 texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3368 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3369 format
, type
, pixels
, false);
3374 * Implement all the glTextureSubImage1/2/3D() functions.
3375 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3377 static ALWAYS_INLINE
void
3378 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3379 GLuint texture
, GLint level
,
3380 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3381 GLsizei width
, GLsizei height
, GLsizei depth
,
3382 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3383 const char *callerName
, bool no_error
)
3385 struct gl_texture_object
*texObj
;
3386 struct gl_texture_image
*texImage
;
3389 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3391 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3392 dims
, texture
, level
,
3393 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3394 _mesa_enum_to_string(format
),
3395 _mesa_enum_to_string(type
), pixels
);
3397 /* Get the texture object by Name. */
3399 texObj
= _mesa_lookup_texture_err(ctx
, texture
, callerName
);
3403 texObj
= _mesa_lookup_texture(ctx
, texture
);
3407 /* check target (proxies not allowed) */
3408 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3409 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3410 callerName
, _mesa_enum_to_string(texObj
->Target
));
3414 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3415 xoffset
, yoffset
, zoffset
,
3416 width
, height
, depth
, format
, type
,
3417 pixels
, true, callerName
)) {
3418 return; /* error was detected */
3422 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3423 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3427 * What do we do if the user created a texture with the following code
3428 * and then called this function with its handle?
3431 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3432 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3433 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3434 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3435 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3436 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3437 * // wrong format, or given the wrong size, etc.
3438 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3439 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3441 * A bug has been filed against the spec for this case. In the
3442 * meantime, we will check for cube completeness.
3444 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3445 * Core Profile spec (30.10.2014):
3446 * "[A] cube map texture is cube complete if the
3447 * following conditions all hold true: The [base level] texture
3448 * images of each of the six cube map faces have identical, positive,
3449 * and square dimensions. The [base level] images were each specified
3450 * with the same internal format."
3452 * It seems reasonable to check for cube completeness of an arbitrary
3453 * level here so that the image data has a consistent format and size.
3455 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
3456 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3457 "glTextureSubImage%uD(cube map incomplete)",
3462 imageStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3464 /* Copy in each face. */
3465 for (i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
3466 texImage
= texObj
->Image
[i
][level
];
3469 texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3470 level
, xoffset
, yoffset
, 0,
3471 width
, height
, 1, format
,
3472 type
, pixels
, true);
3473 pixels
= (GLubyte
*) pixels
+ imageStride
;
3477 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3480 texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3481 level
, xoffset
, yoffset
, zoffset
,
3482 width
, height
, depth
, format
,
3483 type
, pixels
, true);
3489 texturesubimage_error(struct gl_context
*ctx
, GLuint dims
,
3490 GLuint texture
, GLint level
,
3491 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3492 GLsizei width
, GLsizei height
, GLsizei depth
,
3493 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3494 const char *callerName
)
3496 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3497 width
, height
, depth
, format
, type
, pixels
, callerName
,
3503 texturesubimage_no_error(struct gl_context
*ctx
, GLuint dims
,
3504 GLuint texture
, GLint level
,
3505 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3506 GLsizei width
, GLsizei height
, GLsizei depth
,
3507 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3508 const char *callerName
)
3510 texturesubimage(ctx
, dims
, texture
, level
, xoffset
, yoffset
, zoffset
,
3511 width
, height
, depth
, format
, type
, pixels
, callerName
,
3517 _mesa_TexSubImage1D_no_error(GLenum target
, GLint level
,
3518 GLint xoffset
, GLsizei width
,
3519 GLenum format
, GLenum type
,
3520 const GLvoid
*pixels
)
3522 GET_CURRENT_CONTEXT(ctx
);
3523 texsubimage(ctx
, 1, target
, level
,
3526 format
, type
, pixels
);
3531 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3532 GLint xoffset
, GLsizei width
,
3533 GLenum format
, GLenum type
,
3534 const GLvoid
*pixels
)
3536 GET_CURRENT_CONTEXT(ctx
);
3537 texsubimage_err(ctx
, 1, target
, level
,
3540 format
, type
, pixels
, "glTexSubImage1D");
3545 _mesa_TexSubImage2D_no_error(GLenum target
, GLint level
,
3546 GLint xoffset
, GLint yoffset
,
3547 GLsizei width
, GLsizei height
,
3548 GLenum format
, GLenum type
,
3549 const GLvoid
*pixels
)
3551 GET_CURRENT_CONTEXT(ctx
);
3552 texsubimage(ctx
, 2, target
, level
,
3553 xoffset
, yoffset
, 0,
3555 format
, type
, pixels
);
3560 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3561 GLint xoffset
, GLint yoffset
,
3562 GLsizei width
, GLsizei height
,
3563 GLenum format
, GLenum type
,
3564 const GLvoid
*pixels
)
3566 GET_CURRENT_CONTEXT(ctx
);
3567 texsubimage_err(ctx
, 2, target
, level
,
3568 xoffset
, yoffset
, 0,
3570 format
, type
, pixels
, "glTexSubImage2D");
3575 _mesa_TexSubImage3D_no_error(GLenum target
, GLint level
,
3576 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3577 GLsizei width
, GLsizei height
, GLsizei depth
,
3578 GLenum format
, GLenum type
,
3579 const GLvoid
*pixels
)
3581 GET_CURRENT_CONTEXT(ctx
);
3582 texsubimage(ctx
, 3, target
, level
,
3583 xoffset
, yoffset
, zoffset
,
3584 width
, height
, depth
,
3585 format
, type
, pixels
);
3590 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3591 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3592 GLsizei width
, GLsizei height
, GLsizei depth
,
3593 GLenum format
, GLenum type
,
3594 const GLvoid
*pixels
)
3596 GET_CURRENT_CONTEXT(ctx
);
3597 texsubimage_err(ctx
, 3, target
, level
,
3598 xoffset
, yoffset
, zoffset
,
3599 width
, height
, depth
,
3600 format
, type
, pixels
, "glTexSubImage3D");
3605 _mesa_TextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3606 GLsizei width
, GLenum format
, GLenum type
,
3607 const GLvoid
*pixels
)
3609 GET_CURRENT_CONTEXT(ctx
);
3610 texturesubimage_no_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3611 format
, type
, pixels
, "glTextureSubImage1D");
3616 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3617 GLint xoffset
, GLsizei width
,
3618 GLenum format
, GLenum type
,
3619 const GLvoid
*pixels
)
3621 GET_CURRENT_CONTEXT(ctx
);
3622 texturesubimage_error(ctx
, 1, texture
, level
, xoffset
, 0, 0, width
, 1, 1,
3623 format
, type
, pixels
, "glTextureSubImage1D");
3628 _mesa_TextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3629 GLint yoffset
, GLsizei width
, GLsizei height
,
3630 GLenum format
, GLenum type
,
3631 const GLvoid
*pixels
)
3633 GET_CURRENT_CONTEXT(ctx
);
3634 texturesubimage_no_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3635 height
, 1, format
, type
, pixels
,
3636 "glTextureSubImage2D");
3641 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3642 GLint xoffset
, GLint yoffset
,
3643 GLsizei width
, GLsizei height
,
3644 GLenum format
, GLenum type
,
3645 const GLvoid
*pixels
)
3647 GET_CURRENT_CONTEXT(ctx
);
3648 texturesubimage_error(ctx
, 2, texture
, level
, xoffset
, yoffset
, 0, width
,
3649 height
, 1, format
, type
, pixels
,
3650 "glTextureSubImage2D");
3655 _mesa_TextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
3656 GLint yoffset
, GLint zoffset
, GLsizei width
,
3657 GLsizei height
, GLsizei depth
, GLenum format
,
3658 GLenum type
, const GLvoid
*pixels
)
3660 GET_CURRENT_CONTEXT(ctx
);
3661 texturesubimage_no_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3662 width
, height
, depth
, format
, type
, pixels
,
3663 "glTextureSubImage3D");
3668 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3669 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3670 GLsizei width
, GLsizei height
, GLsizei depth
,
3671 GLenum format
, GLenum type
,
3672 const GLvoid
*pixels
)
3674 GET_CURRENT_CONTEXT(ctx
);
3675 texturesubimage_error(ctx
, 3, texture
, level
, xoffset
, yoffset
, zoffset
,
3676 width
, height
, depth
, format
, type
, pixels
,
3677 "glTextureSubImage3D");
3682 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3683 * from. This depends on whether the texture contains color or depth values.
3685 static struct gl_renderbuffer
*
3686 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3688 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3689 /* reading from depth/stencil buffer */
3690 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3691 } else if (_mesa_get_format_bits(texFormat
, GL_STENCIL_BITS
) > 0) {
3692 return ctx
->ReadBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
3694 /* copying from color buffer */
3695 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3701 copytexsubimage_by_slice(struct gl_context
*ctx
,
3702 struct gl_texture_image
*texImage
,
3704 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3705 struct gl_renderbuffer
*rb
,
3707 GLsizei width
, GLsizei height
)
3709 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3712 /* For 1D arrays, we copy each scanline of the source rectangle into the
3715 assert(zoffset
== 0);
3717 for (slice
= 0; slice
< height
; slice
++) {
3718 assert(yoffset
+ slice
< texImage
->Height
);
3719 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3720 xoffset
, 0, yoffset
+ slice
,
3721 rb
, x
, y
+ slice
, width
, 1);
3724 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3725 xoffset
, yoffset
, zoffset
,
3726 rb
, x
, y
, width
, height
);
3732 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3734 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3735 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3736 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3737 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3739 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3740 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3741 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3742 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3744 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3745 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3746 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3747 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3755 * Check if the given texture format and size arguments match those
3756 * of the texture image.
3757 * \param return true if arguments match, false otherwise.
3760 can_avoid_reallocation(const struct gl_texture_image
*texImage
,
3761 GLenum internalFormat
,
3762 mesa_format texFormat
, GLint x
, GLint y
, GLsizei width
,
3763 GLsizei height
, GLint border
)
3765 if (texImage
->InternalFormat
!= internalFormat
)
3767 if (texImage
->TexFormat
!= texFormat
)
3769 if (texImage
->Border
!= border
)
3771 if (texImage
->Width2
!= width
)
3773 if (texImage
->Height2
!= height
)
3780 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
3783 copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3784 struct gl_texture_object
*texObj
,
3785 GLenum target
, GLint level
,
3786 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3787 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3789 struct gl_texture_image
*texImage
;
3791 _mesa_lock_texture(ctx
, texObj
);
3793 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3795 /* If we have a border, offset=-1 is legal. Bias by border width. */
3798 if (target
!= GL_TEXTURE_2D_ARRAY
)
3799 zoffset
+= texImage
->Border
;
3802 if (target
!= GL_TEXTURE_1D_ARRAY
)
3803 yoffset
+= texImage
->Border
;
3806 xoffset
+= texImage
->Border
;
3809 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3811 struct gl_renderbuffer
*srcRb
=
3812 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3814 copytexsubimage_by_slice(ctx
, texImage
, dims
, xoffset
, yoffset
, zoffset
,
3815 srcRb
, x
, y
, width
, height
);
3817 check_gen_mipmap(ctx
, target
, texObj
, level
);
3819 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3820 * the texel data, not the texture format, size, etc.
3824 _mesa_unlock_texture(ctx
, texObj
);
3829 copy_texture_sub_image_err(struct gl_context
*ctx
, GLuint dims
,
3830 struct gl_texture_object
*texObj
,
3831 GLenum target
, GLint level
,
3832 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3833 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
3836 FLUSH_VERTICES(ctx
, 0);
3838 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3839 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
3840 _mesa_enum_to_string(target
),
3841 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3843 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3844 _mesa_update_state(ctx
);
3846 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3847 xoffset
, yoffset
, zoffset
,
3848 width
, height
, caller
)) {
3852 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3853 zoffset
, x
, y
, width
, height
);
3858 copy_texture_sub_image_no_error(struct gl_context
*ctx
, GLuint dims
,
3859 struct gl_texture_object
*texObj
,
3860 GLenum target
, GLint level
,
3861 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3862 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3864 FLUSH_VERTICES(ctx
, 0);
3866 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3867 _mesa_update_state(ctx
);
3869 copy_texture_sub_image(ctx
, dims
, texObj
, target
, level
, xoffset
, yoffset
,
3870 zoffset
, x
, y
, width
, height
);
3875 * Implement the glCopyTexImage1/2D() functions.
3877 static ALWAYS_INLINE
void
3878 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3879 GLenum target
, GLint level
, GLenum internalFormat
,
3880 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
,
3883 struct gl_texture_image
*texImage
;
3884 struct gl_texture_object
*texObj
;
3885 mesa_format texFormat
;
3887 FLUSH_VERTICES(ctx
, 0);
3889 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3890 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3892 _mesa_enum_to_string(target
), level
,
3893 _mesa_enum_to_string(internalFormat
),
3894 x
, y
, width
, height
, border
);
3896 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3897 _mesa_update_state(ctx
);
3900 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3901 width
, height
, border
))
3904 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3906 _mesa_error(ctx
, GL_INVALID_VALUE
,
3907 "glCopyTexImage%uD(invalid width=%d or height=%d)",
3908 dims
, width
, height
);
3913 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3916 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3917 internalFormat
, GL_NONE
, GL_NONE
);
3919 /* First check if reallocating the texture buffer can be avoided.
3920 * Without the realloc the copy can be 20x faster.
3922 _mesa_lock_texture(ctx
, texObj
);
3924 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3925 if (texImage
&& can_avoid_reallocation(texImage
, internalFormat
, texFormat
,
3926 x
, y
, width
, height
, border
)) {
3927 _mesa_unlock_texture(ctx
, texObj
);
3929 copy_texture_sub_image_no_error(ctx
, dims
, texObj
, target
, level
, 0,
3930 0, 0, x
, y
, width
, height
);
3932 copy_texture_sub_image_err(ctx
, dims
, texObj
, target
, level
, 0, 0,
3933 0, x
, y
, width
, height
,"CopyTexImage");
3938 _mesa_unlock_texture(ctx
, texObj
);
3939 _mesa_perf_debug(ctx
, MESA_DEBUG_SEVERITY_LOW
, "glCopyTexImage "
3940 "can't avoid reallocating texture storage\n");
3942 if (!no_error
&& _mesa_is_gles3(ctx
)) {
3943 struct gl_renderbuffer
*rb
=
3944 _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3946 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3947 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3948 * OpenGL ES 3.0. Khronos bug# 9807.
3950 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3951 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3952 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3953 " and writing to unsized internal format)", dims
);
3957 /* From Page 139 of OpenGL ES 3.0 spec:
3958 * "If internalformat is sized, the internal format of the new texel
3959 * array is internalformat, and this is also the new texel array’s
3960 * effective internal format. If the component sizes of internalformat
3961 * do not exactly match the corresponding component sizes of the source
3962 * buffer’s effective internal format, described below, an
3963 * INVALID_OPERATION error is generated. If internalformat is unsized,
3964 * the internal format of the new texel array is the effective internal
3965 * format of the source buffer, and this is also the new texel array’s
3966 * effective internal format.
3968 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3969 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3970 "glCopyTexImage%uD(componenet size changed in"
3971 " internal format)", dims
);
3976 assert(texFormat
!= MESA_FORMAT_NONE
);
3978 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3979 0, level
, texFormat
, 1,
3980 width
, height
, 1)) {
3981 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3982 "glCopyTexImage%uD(image too large)", dims
);
3986 if (border
&& ctx
->Const
.StripTextureBorder
) {
3988 width
-= border
* 2;
3991 height
-= border
* 2;
3996 _mesa_lock_texture(ctx
, texObj
);
3998 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
4001 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
4004 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
4005 const GLuint face
= _mesa_tex_target_to_face(target
);
4007 /* Free old texture image */
4008 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4010 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4011 border
, internalFormat
, texFormat
);
4013 if (width
&& height
) {
4014 /* Allocate texture memory (no pixel data yet) */
4015 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4017 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4019 struct gl_renderbuffer
*srcRb
=
4020 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4022 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4024 srcRb
, srcX
, srcY
, width
, height
);
4027 check_gen_mipmap(ctx
, target
, texObj
, level
);
4030 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4032 _mesa_dirty_texobj(ctx
, texObj
);
4035 _mesa_unlock_texture(ctx
, texObj
);
4040 copyteximage_err(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4041 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4042 GLsizei width
, GLsizei height
, GLint border
)
4044 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4050 copyteximage_no_error(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
4051 GLint level
, GLenum internalFormat
, GLint x
, GLint y
,
4052 GLsizei width
, GLsizei height
, GLint border
)
4054 copyteximage(ctx
, dims
, target
, level
, internalFormat
, x
, y
, width
, height
,
4060 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4061 GLenum internalFormat
,
4063 GLsizei width
, GLint border
)
4065 GET_CURRENT_CONTEXT(ctx
);
4066 copyteximage_err(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4072 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4073 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4076 GET_CURRENT_CONTEXT(ctx
);
4077 copyteximage_err(ctx
, 2, target
, level
, internalFormat
,
4078 x
, y
, width
, height
, border
);
4083 _mesa_CopyTexImage1D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4084 GLint x
, GLint y
, GLsizei width
, GLint border
)
4086 GET_CURRENT_CONTEXT(ctx
);
4087 copyteximage_no_error(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1,
4093 _mesa_CopyTexImage2D_no_error(GLenum target
, GLint level
, GLenum internalFormat
,
4094 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4097 GET_CURRENT_CONTEXT(ctx
);
4098 copyteximage_no_error(ctx
, 2, target
, level
, internalFormat
,
4099 x
, y
, width
, height
, border
);
4104 _mesa_CopyTexSubImage1D(GLenum target
, GLint level
,
4105 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4107 struct gl_texture_object
* texObj
;
4108 const char *self
= "glCopyTexSubImage1D";
4109 GET_CURRENT_CONTEXT(ctx
);
4111 /* Check target (proxies not allowed). Target must be checked prior to
4112 * calling _mesa_get_current_tex_object.
4114 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4115 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4116 _mesa_enum_to_string(target
));
4120 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4124 copy_texture_sub_image_err(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4125 x
, y
, width
, 1, self
);
4130 _mesa_CopyTexSubImage2D(GLenum target
, GLint level
,
4131 GLint xoffset
, GLint yoffset
,
4132 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4134 struct gl_texture_object
* texObj
;
4135 const char *self
= "glCopyTexSubImage2D";
4136 GET_CURRENT_CONTEXT(ctx
);
4138 /* Check target (proxies not allowed). Target must be checked prior to
4139 * calling _mesa_get_current_tex_object.
4141 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4142 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4143 _mesa_enum_to_string(target
));
4147 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4151 copy_texture_sub_image_err(ctx
, 2, texObj
, target
, level
, xoffset
, yoffset
,
4152 0, x
, y
, width
, height
, self
);
4157 _mesa_CopyTexSubImage3D(GLenum target
, GLint level
,
4158 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4159 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4161 struct gl_texture_object
* texObj
;
4162 const char *self
= "glCopyTexSubImage3D";
4163 GET_CURRENT_CONTEXT(ctx
);
4165 /* Check target (proxies not allowed). Target must be checked prior to
4166 * calling _mesa_get_current_tex_object.
4168 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4169 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4170 _mesa_enum_to_string(target
));
4174 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4178 copy_texture_sub_image_err(ctx
, 3, texObj
, target
, level
, xoffset
, yoffset
,
4179 zoffset
, x
, y
, width
, height
, self
);
4184 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4185 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4187 struct gl_texture_object
* texObj
;
4188 const char *self
= "glCopyTextureSubImage1D";
4189 GET_CURRENT_CONTEXT(ctx
);
4191 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4195 /* Check target (proxies not allowed). */
4196 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4197 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4198 _mesa_enum_to_string(texObj
->Target
));
4202 copy_texture_sub_image_err(ctx
, 1, texObj
, texObj
->Target
, level
, xoffset
, 0,
4203 0, x
, y
, width
, 1, self
);
4208 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4209 GLint xoffset
, GLint yoffset
,
4210 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4212 struct gl_texture_object
* texObj
;
4213 const char *self
= "glCopyTextureSubImage2D";
4214 GET_CURRENT_CONTEXT(ctx
);
4216 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4220 /* Check target (proxies not allowed). */
4221 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4222 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4223 _mesa_enum_to_string(texObj
->Target
));
4227 copy_texture_sub_image_err(ctx
, 2, texObj
, texObj
->Target
, level
, xoffset
,
4228 yoffset
, 0, x
, y
, width
, height
, self
);
4233 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4234 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4235 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4237 struct gl_texture_object
* texObj
;
4238 const char *self
= "glCopyTextureSubImage3D";
4239 GET_CURRENT_CONTEXT(ctx
);
4241 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4245 /* Check target (proxies not allowed). */
4246 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4247 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", self
,
4248 _mesa_enum_to_string(texObj
->Target
));
4252 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4253 /* Act like CopyTexSubImage2D */
4254 copy_texture_sub_image_err(ctx
, 2, texObj
,
4255 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4256 level
, xoffset
, yoffset
, 0, x
, y
, width
, height
,
4260 copy_texture_sub_image_err(ctx
, 3, texObj
, texObj
->Target
, level
, xoffset
,
4261 yoffset
, zoffset
, x
, y
, width
, height
, self
);
4266 _mesa_CopyTexSubImage1D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4267 GLint x
, GLint y
, GLsizei width
)
4269 GET_CURRENT_CONTEXT(ctx
);
4271 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4272 copy_texture_sub_image_no_error(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4278 _mesa_CopyTexSubImage2D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4279 GLint yoffset
, GLint x
, GLint y
, GLsizei width
,
4282 GET_CURRENT_CONTEXT(ctx
);
4284 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4285 copy_texture_sub_image_no_error(ctx
, 2, texObj
, target
, level
, xoffset
,
4286 yoffset
, 0, x
, y
, width
, height
);
4291 _mesa_CopyTexSubImage3D_no_error(GLenum target
, GLint level
, GLint xoffset
,
4292 GLint yoffset
, GLint zoffset
, GLint x
, GLint y
,
4293 GLsizei width
, GLsizei height
)
4295 GET_CURRENT_CONTEXT(ctx
);
4297 struct gl_texture_object
* texObj
= _mesa_get_current_tex_object(ctx
, target
);
4298 copy_texture_sub_image_no_error(ctx
, 3, texObj
, target
, level
, xoffset
,
4299 yoffset
, zoffset
, x
, y
, width
, height
);
4304 _mesa_CopyTextureSubImage1D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4305 GLint x
, GLint y
, GLsizei width
)
4307 GET_CURRENT_CONTEXT(ctx
);
4309 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4310 copy_texture_sub_image_no_error(ctx
, 1, texObj
, texObj
->Target
, level
,
4311 xoffset
, 0, 0, x
, y
, width
, 1);
4316 _mesa_CopyTextureSubImage2D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4317 GLint yoffset
, GLint x
, GLint y
,
4318 GLsizei width
, GLsizei height
)
4320 GET_CURRENT_CONTEXT(ctx
);
4322 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4323 copy_texture_sub_image_no_error(ctx
, 2, texObj
, texObj
->Target
, level
,
4324 xoffset
, yoffset
, 0, x
, y
, width
, height
);
4329 _mesa_CopyTextureSubImage3D_no_error(GLuint texture
, GLint level
, GLint xoffset
,
4330 GLint yoffset
, GLint zoffset
, GLint x
,
4331 GLint y
, GLsizei width
, GLsizei height
)
4333 GET_CURRENT_CONTEXT(ctx
);
4335 struct gl_texture_object
* texObj
= _mesa_lookup_texture(ctx
, texture
);
4336 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4337 /* Act like CopyTexSubImage2D */
4338 copy_texture_sub_image_no_error(ctx
, 2, texObj
,
4339 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4340 level
, xoffset
, yoffset
, 0, x
, y
, width
,
4344 copy_texture_sub_image_no_error(ctx
, 3, texObj
, texObj
->Target
, level
,
4345 xoffset
, yoffset
, zoffset
, x
, y
, width
,
4351 check_clear_tex_image(struct gl_context
*ctx
,
4352 const char *function
,
4353 struct gl_texture_image
*texImage
,
4354 GLenum format
, GLenum type
,
4356 GLubyte
*clearValue
)
4358 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4359 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4360 GLenum internalFormat
= texImage
->InternalFormat
;
4363 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4364 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4365 "%s(buffer texture)", function
);
4369 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4370 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4371 "%s(compressed texture)", function
);
4375 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4376 if (err
!= GL_NO_ERROR
) {
4377 _mesa_error(ctx
, err
,
4378 "%s(incompatible format = %s, type = %s)",
4380 _mesa_enum_to_string(format
),
4381 _mesa_enum_to_string(type
));
4385 /* make sure internal format and format basically agree */
4386 if (!texture_formats_agree(internalFormat
, format
)) {
4387 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4388 "%s(incompatible internalFormat = %s, format = %s)",
4390 _mesa_enum_to_string(internalFormat
),
4391 _mesa_enum_to_string(format
));
4395 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4396 /* both source and dest must be integer-valued, or neither */
4397 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4398 _mesa_is_enum_format_integer(format
)) {
4399 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4400 "%s(integer/non-integer format mismatch)",
4406 if (!_mesa_texstore(ctx
,
4408 texImage
->_BaseFormat
,
4409 texImage
->TexFormat
,
4410 0, /* dstRowStride */
4412 1, 1, 1, /* srcWidth/Height/Depth */
4414 data
? data
: zeroData
,
4415 &ctx
->DefaultPacking
)) {
4416 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4424 static struct gl_texture_object
*
4425 get_tex_obj_for_clear(struct gl_context
*ctx
,
4426 const char *function
,
4429 struct gl_texture_object
*texObj
;
4431 texObj
= _mesa_lookup_texture_err(ctx
, texture
, function
);
4435 if (texObj
->Target
== 0) {
4436 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4445 * For clearing cube textures, the zoffset and depth parameters indicate
4446 * which cube map faces are to be cleared. This is the one case where we
4447 * need to be concerned with multiple gl_texture_images. This function
4448 * returns the array of texture images to clear for cube maps, or one
4449 * texture image otherwise.
4450 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
4453 get_tex_images_for_clear(struct gl_context
*ctx
,
4454 const char *function
,
4455 struct gl_texture_object
*texObj
,
4457 struct gl_texture_image
**texImages
)
4462 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4463 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4467 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4468 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
4469 numFaces
= MAX_FACES
;
4472 target
= texObj
->Target
;
4476 for (i
= 0; i
< numFaces
; i
++) {
4477 texImages
[i
] = _mesa_select_tex_image(texObj
, target
+ i
, level
);
4478 if (texImages
[i
] == NULL
) {
4479 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4489 _mesa_ClearTexSubImage(GLuint texture
, GLint level
,
4490 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4491 GLsizei width
, GLsizei height
, GLsizei depth
,
4492 GLenum format
, GLenum type
, const void *data
)
4494 GET_CURRENT_CONTEXT(ctx
);
4495 struct gl_texture_object
*texObj
;
4496 struct gl_texture_image
*texImages
[MAX_FACES
];
4497 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4499 int minDepth
, maxDepth
;
4501 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4506 _mesa_lock_texture(ctx
, texObj
);
4508 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4509 texObj
, level
, texImages
);
4513 if (numImages
== 1) {
4514 minDepth
= -(int) texImages
[0]->Border
;
4515 maxDepth
= texImages
[0]->Depth
;
4517 assert(numImages
== MAX_FACES
);
4519 maxDepth
= numImages
;
4522 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4523 yoffset
< -(GLint
) texImages
[0]->Border
||
4524 zoffset
< minDepth
||
4528 xoffset
+ width
> texImages
[0]->Width
||
4529 yoffset
+ height
> texImages
[0]->Height
||
4530 zoffset
+ depth
> maxDepth
) {
4531 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4532 "glClearSubTexImage(invalid dimensions)");
4536 if (numImages
== 1) {
4537 if (check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[0],
4538 format
, type
, data
, clearValue
[0])) {
4539 ctx
->Driver
.ClearTexSubImage(ctx
,
4541 xoffset
, yoffset
, zoffset
,
4542 width
, height
, depth
,
4543 data
? clearValue
[0] : NULL
);
4546 /* loop over cube face images */
4547 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4548 assert(i
< MAX_FACES
);
4549 if (!check_clear_tex_image(ctx
, "glClearTexSubImage", texImages
[i
],
4550 format
, type
, data
, clearValue
[i
]))
4553 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4554 ctx
->Driver
.ClearTexSubImage(ctx
,
4556 xoffset
, yoffset
, 0,
4558 data
? clearValue
[i
] : NULL
);
4563 _mesa_unlock_texture(ctx
, texObj
);
4568 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4569 GLenum format
, GLenum type
, const void *data
)
4571 GET_CURRENT_CONTEXT(ctx
);
4572 struct gl_texture_object
*texObj
;
4573 struct gl_texture_image
*texImages
[MAX_FACES
];
4574 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4577 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4582 _mesa_lock_texture(ctx
, texObj
);
4584 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4585 texObj
, level
, texImages
);
4587 for (i
= 0; i
< numImages
; i
++) {
4588 if (!check_clear_tex_image(ctx
, "glClearTexImage", texImages
[i
], format
,
4589 type
, data
, clearValue
[i
]))
4593 for (i
= 0; i
< numImages
; i
++) {
4594 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4595 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4596 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4597 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4598 texImages
[i
]->Width
,
4599 texImages
[i
]->Height
,
4600 texImages
[i
]->Depth
,
4601 data
? clearValue
[i
] : NULL
);
4605 _mesa_unlock_texture(ctx
, texObj
);
4611 /**********************************************************************/
4612 /****** Compressed Textures ******/
4613 /**********************************************************************/
4617 * Target checking for glCompressedTexSubImage[123]D().
4618 * \return GL_TRUE if error, GL_FALSE if no error
4619 * Must come before other error checking so that the texture object can
4620 * be correctly retrieved using _mesa_get_current_tex_object.
4623 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4624 GLint dims
, GLenum format
, bool dsa
,
4629 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4630 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4631 _mesa_enum_to_string(target
));
4641 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4642 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4643 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4644 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4645 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4646 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4647 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4650 targetOK
= GL_FALSE
;
4656 case GL_TEXTURE_CUBE_MAP
:
4657 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4659 case GL_TEXTURE_2D_ARRAY
:
4660 targetOK
= _mesa_is_gles3(ctx
) ||
4661 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4663 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4664 targetOK
= _mesa_has_texture_cube_map_array(ctx
);
4669 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4671 * "An INVALID_OPERATION error is generated by
4672 * CompressedTex*SubImage3D if the internal format of the texture
4673 * is one of the EAC, ETC2, or RGTC formats and either border is
4674 * non-zero, or the effective target for the texture is not
4675 * TEXTURE_2D_ARRAY."
4677 * NOTE: that's probably a spec error. It should probably say
4678 * "... or the effective target for the texture is not
4679 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4680 * GL_TEXTURE_CUBE_MAP_ARRAY."
4681 * since those targets are 2D images and they support all compression
4684 * Instead of listing all these, just list those which are allowed,
4685 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4686 * more) are valid here, which they are not, but of course not
4687 * mentioned by core spec.
4690 /* These are the only 3D compression formats supported at this time */
4691 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
4692 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
4693 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
4694 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
4698 /* invalid format */
4699 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4700 "%s(invalid target %s for format %s)", caller
,
4701 _mesa_enum_to_string(target
),
4702 _mesa_enum_to_string(format
));
4707 targetOK
= GL_FALSE
;
4713 /* no 1D compressed textures at this time */
4714 targetOK
= GL_FALSE
;
4719 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4720 _mesa_enum_to_string(target
));
4728 * Error checking for glCompressedTexSubImage[123]D().
4729 * \return GL_TRUE if error, GL_FALSE if no error
4732 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4733 const struct gl_texture_object
*texObj
,
4734 GLenum target
, GLint level
,
4735 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4736 GLsizei width
, GLsizei height
, GLsizei depth
,
4737 GLenum format
, GLsizei imageSize
,
4738 const GLvoid
*data
, const char *callerName
)
4740 struct gl_texture_image
*texImage
;
4743 /* this will catch any invalid compressed format token */
4744 if (!_mesa_is_compressed_format(ctx
, format
)) {
4745 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(format)", callerName
);
4749 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4750 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
4754 /* validate the bound PBO, if any */
4755 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4756 imageSize
, data
, callerName
)) {
4760 /* Check for invalid pixel storage modes */
4761 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4762 &ctx
->Unpack
, callerName
)) {
4766 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4767 if (expectedSize
!= imageSize
) {
4768 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", callerName
, imageSize
);
4772 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4774 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture level %d)",
4779 if ((GLint
) format
!= texImage
->InternalFormat
) {
4780 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s)",
4781 callerName
, _mesa_enum_to_string(format
));
4785 if (compressedteximage_only_format(ctx
, format
)) {
4786 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(format=%s cannot be updated)",
4787 callerName
, _mesa_enum_to_string(format
));
4791 if (error_check_subtexture_negative_dimensions(ctx
, dims
, width
, height
,
4792 depth
, callerName
)) {
4796 if (error_check_subtexture_dimensions(ctx
, dims
, texImage
, xoffset
, yoffset
,
4797 zoffset
, width
, height
, depth
,
4807 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4808 GLenum internalFormat
, GLsizei width
,
4809 GLint border
, GLsizei imageSize
,
4812 GET_CURRENT_CONTEXT(ctx
);
4813 teximage_err(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4814 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4819 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4820 GLenum internalFormat
, GLsizei width
,
4821 GLsizei height
, GLint border
, GLsizei imageSize
,
4824 GET_CURRENT_CONTEXT(ctx
);
4825 teximage_err(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4826 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4831 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4832 GLenum internalFormat
, GLsizei width
,
4833 GLsizei height
, GLsizei depth
, GLint border
,
4834 GLsizei imageSize
, const GLvoid
*data
)
4836 GET_CURRENT_CONTEXT(ctx
);
4837 teximage_err(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
, height
,
4838 depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4843 _mesa_CompressedTexImage1D_no_error(GLenum target
, GLint level
,
4844 GLenum internalFormat
, GLsizei width
,
4845 GLint border
, GLsizei imageSize
,
4848 GET_CURRENT_CONTEXT(ctx
);
4849 teximage_no_error(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
, width
, 1,
4850 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4855 _mesa_CompressedTexImage2D_no_error(GLenum target
, GLint level
,
4856 GLenum internalFormat
, GLsizei width
,
4857 GLsizei height
, GLint border
,
4858 GLsizei imageSize
, const GLvoid
*data
)
4860 GET_CURRENT_CONTEXT(ctx
);
4861 teximage_no_error(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
, width
,
4862 height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4867 _mesa_CompressedTexImage3D_no_error(GLenum target
, GLint level
,
4868 GLenum internalFormat
, GLsizei width
,
4869 GLsizei height
, GLsizei depth
, GLint border
,
4870 GLsizei imageSize
, const GLvoid
*data
)
4872 GET_CURRENT_CONTEXT(ctx
);
4873 teximage_no_error(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
, width
,
4874 height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4879 * Common helper for glCompressedTexSubImage1/2/3D() and
4880 * glCompressedTextureSubImage1/2/3D().
4883 compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4884 struct gl_texture_object
*texObj
,
4885 struct gl_texture_image
*texImage
,
4886 GLenum target
, GLint level
, GLint xoffset
,
4887 GLint yoffset
, GLint zoffset
, GLsizei width
,
4888 GLsizei height
, GLsizei depth
, GLenum format
,
4889 GLsizei imageSize
, const GLvoid
*data
)
4891 FLUSH_VERTICES(ctx
, 0);
4893 _mesa_lock_texture(ctx
, texObj
);
4895 if (width
> 0 && height
> 0 && depth
> 0) {
4896 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4897 xoffset
, yoffset
, zoffset
,
4898 width
, height
, depth
,
4899 format
, imageSize
, data
);
4901 check_gen_mipmap(ctx
, target
, texObj
, level
);
4903 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4904 * the texel data, not the texture format, size, etc.
4908 _mesa_unlock_texture(ctx
, texObj
);
4912 static ALWAYS_INLINE
void
4913 compressed_tex_sub_image(unsigned dim
, GLenum target
, GLuint texture
,
4914 GLint level
, GLint xoffset
, GLint yoffset
,
4915 GLint zoffset
, GLsizei width
, GLsizei height
,
4916 GLsizei depth
, GLenum format
, GLsizei imageSize
,
4917 const GLvoid
*data
, bool dsa
, bool no_error
,
4920 struct gl_texture_object
*texObj
;
4921 struct gl_texture_image
*texImage
;
4923 GET_CURRENT_CONTEXT(ctx
);
4927 texObj
= _mesa_lookup_texture(ctx
, texture
);
4929 texObj
= _mesa_lookup_texture_err(ctx
, texture
, caller
);
4934 target
= texObj
->Target
;
4938 compressed_subtexture_target_check(ctx
, target
, dim
, format
, dsa
,
4944 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4945 if (!no_error
&& !texObj
)
4950 compressed_subtexture_error_check(ctx
, dim
, texObj
, target
, level
,
4951 xoffset
, yoffset
, zoffset
, width
,
4952 height
, depth
, format
,
4953 imageSize
, data
, caller
)) {
4957 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
4958 if (dim
== 3 && dsa
&& texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4959 const char *pixels
= data
;
4962 /* Make sure the texture object is a proper cube.
4963 * (See texturesubimage in teximage.c for details on why this check is
4966 if (!no_error
&& !_mesa_cube_level_complete(texObj
, level
)) {
4967 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4968 "glCompressedTextureSubImage3D(cube map incomplete)");
4972 /* Copy in each face. */
4973 for (int i
= zoffset
; i
< zoffset
+ depth
; ++i
) {
4974 texImage
= texObj
->Image
[i
][level
];
4977 compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
4978 texObj
->Target
, level
, xoffset
, yoffset
,
4979 0, width
, height
, 1, format
,
4982 /* Compressed images don't have a client format */
4983 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
4985 texImage
->Height
, 1);
4987 pixels
+= image_stride
;
4988 imageSize
-= image_stride
;
4991 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4994 compressed_texture_sub_image(ctx
, dim
, texObj
, texImage
, target
, level
,
4995 xoffset
, yoffset
, zoffset
, width
, height
,
4996 depth
, format
, imageSize
, data
);
5001 compressed_tex_sub_image_error(unsigned dim
, GLenum target
, GLuint texture
,
5002 GLint level
, GLint xoffset
, GLint yoffset
,
5003 GLint zoffset
, GLsizei width
, GLsizei height
,
5004 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5005 const GLvoid
*data
, bool dsa
,
5008 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5009 zoffset
, width
, height
, depth
, format
, imageSize
,
5010 data
, dsa
, false, caller
);
5014 compressed_tex_sub_image_no_error(unsigned dim
, GLenum target
, GLuint texture
,
5015 GLint level
, GLint xoffset
, GLint yoffset
,
5016 GLint zoffset
, GLsizei width
, GLsizei height
,
5017 GLsizei depth
, GLenum format
, GLsizei imageSize
,
5018 const GLvoid
*data
, bool dsa
,
5021 compressed_tex_sub_image(dim
, target
, texture
, level
, xoffset
, yoffset
,
5022 zoffset
, width
, height
, depth
, format
, imageSize
,
5023 data
, dsa
, true, caller
);
5027 _mesa_CompressedTexSubImage1D_no_error(GLenum target
, GLint level
,
5028 GLint xoffset
, GLsizei width
,
5029 GLenum format
, GLsizei imageSize
,
5032 compressed_tex_sub_image_no_error(1, target
, 0, level
, xoffset
, 0, 0, width
,
5033 1, 1, format
, imageSize
, data
, false,
5034 "glCompressedTexSubImage1D");
5039 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
5040 GLsizei width
, GLenum format
,
5041 GLsizei imageSize
, const GLvoid
*data
)
5043 compressed_tex_sub_image_error(1, target
, 0, level
, xoffset
, 0, 0, width
, 1,
5044 1, format
, imageSize
, data
, false,
5045 "glCompressedTexSubImage1D");
5050 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture
, GLint level
,
5051 GLint xoffset
, GLsizei width
,
5052 GLenum format
, GLsizei imageSize
,
5055 compressed_tex_sub_image_no_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5056 1, 1, format
, imageSize
, data
, true,
5057 "glCompressedTextureSubImage1D");
5062 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
5063 GLsizei width
, GLenum format
,
5064 GLsizei imageSize
, const GLvoid
*data
)
5066 compressed_tex_sub_image_error(1, 0, texture
, level
, xoffset
, 0, 0, width
,
5067 1, 1, format
, imageSize
, data
, true,
5068 "glCompressedTextureSubImage1D");
5072 _mesa_CompressedTexSubImage2D_no_error(GLenum target
, GLint level
,
5073 GLint xoffset
, GLint yoffset
,
5074 GLsizei width
, GLsizei height
,
5075 GLenum format
, GLsizei imageSize
,
5078 compressed_tex_sub_image_no_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5079 width
, height
, 1, format
, imageSize
, data
,
5080 false, "glCompressedTexSubImage2D");
5085 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
5086 GLint yoffset
, GLsizei width
, GLsizei height
,
5087 GLenum format
, GLsizei imageSize
,
5090 compressed_tex_sub_image_error(2, target
, 0, level
, xoffset
, yoffset
, 0,
5091 width
, height
, 1, format
, imageSize
, data
,
5092 false, "glCompressedTexSubImage2D");
5097 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture
, GLint level
,
5098 GLint xoffset
, GLint yoffset
,
5099 GLsizei width
, GLsizei height
,
5100 GLenum format
, GLsizei imageSize
,
5103 compressed_tex_sub_image_no_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5104 width
, height
, 1, format
, imageSize
, data
,
5105 true, "glCompressedTextureSubImage2D");
5110 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
5112 GLsizei width
, GLsizei height
,
5113 GLenum format
, GLsizei imageSize
,
5116 compressed_tex_sub_image_error(2, 0, texture
, level
, xoffset
, yoffset
, 0,
5117 width
, height
, 1, format
, imageSize
, data
,
5118 true, "glCompressedTextureSubImage2D");
5122 _mesa_CompressedTexSubImage3D_no_error(GLenum target
, GLint level
,
5123 GLint xoffset
, GLint yoffset
,
5124 GLint zoffset
, GLsizei width
,
5125 GLsizei height
, GLsizei depth
,
5126 GLenum format
, GLsizei imageSize
,
5129 compressed_tex_sub_image_no_error(3, target
, 0, level
, xoffset
, yoffset
,
5130 zoffset
, width
, height
, depth
, format
,
5131 imageSize
, data
, false,
5132 "glCompressedTexSubImage3D");
5136 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5137 GLint yoffset
, GLint zoffset
, GLsizei width
,
5138 GLsizei height
, GLsizei depth
, GLenum format
,
5139 GLsizei imageSize
, const GLvoid
*data
)
5141 compressed_tex_sub_image_error(3, target
, 0, level
, xoffset
, yoffset
,
5142 zoffset
, width
, height
, depth
, format
,
5143 imageSize
, data
, false,
5144 "glCompressedTexSubImage3D");
5148 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture
, GLint level
,
5149 GLint xoffset
, GLint yoffset
,
5150 GLint zoffset
, GLsizei width
,
5151 GLsizei height
, GLsizei depth
,
5152 GLenum format
, GLsizei imageSize
,
5155 compressed_tex_sub_image_no_error(3, 0, texture
, level
, xoffset
, yoffset
,
5156 zoffset
, width
, height
, depth
, format
,
5157 imageSize
, data
, true,
5158 "glCompressedTextureSubImage3D");
5162 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5163 GLint yoffset
, GLint zoffset
, GLsizei width
,
5164 GLsizei height
, GLsizei depth
,
5165 GLenum format
, GLsizei imageSize
,
5168 compressed_tex_sub_image_error(3, 0, texture
, level
, xoffset
, yoffset
,
5169 zoffset
, width
, height
, depth
, format
,
5170 imageSize
, data
, true,
5171 "glCompressedTextureSubImage3D");
5175 _mesa_get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5177 if (ctx
->API
== API_OPENGL_COMPAT
) {
5178 switch (internalFormat
) {
5180 return MESA_FORMAT_A_UNORM8
;
5182 return MESA_FORMAT_A_UNORM16
;
5183 case GL_ALPHA16F_ARB
:
5184 return MESA_FORMAT_A_FLOAT16
;
5185 case GL_ALPHA32F_ARB
:
5186 return MESA_FORMAT_A_FLOAT32
;
5187 case GL_ALPHA8I_EXT
:
5188 return MESA_FORMAT_A_SINT8
;
5189 case GL_ALPHA16I_EXT
:
5190 return MESA_FORMAT_A_SINT16
;
5191 case GL_ALPHA32I_EXT
:
5192 return MESA_FORMAT_A_SINT32
;
5193 case GL_ALPHA8UI_EXT
:
5194 return MESA_FORMAT_A_UINT8
;
5195 case GL_ALPHA16UI_EXT
:
5196 return MESA_FORMAT_A_UINT16
;
5197 case GL_ALPHA32UI_EXT
:
5198 return MESA_FORMAT_A_UINT32
;
5200 return MESA_FORMAT_L_UNORM8
;
5201 case GL_LUMINANCE16
:
5202 return MESA_FORMAT_L_UNORM16
;
5203 case GL_LUMINANCE16F_ARB
:
5204 return MESA_FORMAT_L_FLOAT16
;
5205 case GL_LUMINANCE32F_ARB
:
5206 return MESA_FORMAT_L_FLOAT32
;
5207 case GL_LUMINANCE8I_EXT
:
5208 return MESA_FORMAT_L_SINT8
;
5209 case GL_LUMINANCE16I_EXT
:
5210 return MESA_FORMAT_L_SINT16
;
5211 case GL_LUMINANCE32I_EXT
:
5212 return MESA_FORMAT_L_SINT32
;
5213 case GL_LUMINANCE8UI_EXT
:
5214 return MESA_FORMAT_L_UINT8
;
5215 case GL_LUMINANCE16UI_EXT
:
5216 return MESA_FORMAT_L_UINT16
;
5217 case GL_LUMINANCE32UI_EXT
:
5218 return MESA_FORMAT_L_UINT32
;
5219 case GL_LUMINANCE8_ALPHA8
:
5220 return MESA_FORMAT_L8A8_UNORM
;
5221 case GL_LUMINANCE16_ALPHA16
:
5222 return MESA_FORMAT_L16A16_UNORM
;
5223 case GL_LUMINANCE_ALPHA16F_ARB
:
5224 return MESA_FORMAT_LA_FLOAT16
;
5225 case GL_LUMINANCE_ALPHA32F_ARB
:
5226 return MESA_FORMAT_LA_FLOAT32
;
5227 case GL_LUMINANCE_ALPHA8I_EXT
:
5228 return MESA_FORMAT_LA_SINT8
;
5229 case GL_LUMINANCE_ALPHA16I_EXT
:
5230 return MESA_FORMAT_LA_SINT16
;
5231 case GL_LUMINANCE_ALPHA32I_EXT
:
5232 return MESA_FORMAT_LA_SINT32
;
5233 case GL_LUMINANCE_ALPHA8UI_EXT
:
5234 return MESA_FORMAT_LA_UINT8
;
5235 case GL_LUMINANCE_ALPHA16UI_EXT
:
5236 return MESA_FORMAT_LA_UINT16
;
5237 case GL_LUMINANCE_ALPHA32UI_EXT
:
5238 return MESA_FORMAT_LA_UINT32
;
5240 return MESA_FORMAT_I_UNORM8
;
5241 case GL_INTENSITY16
:
5242 return MESA_FORMAT_I_UNORM16
;
5243 case GL_INTENSITY16F_ARB
:
5244 return MESA_FORMAT_I_FLOAT16
;
5245 case GL_INTENSITY32F_ARB
:
5246 return MESA_FORMAT_I_FLOAT32
;
5247 case GL_INTENSITY8I_EXT
:
5248 return MESA_FORMAT_I_SINT8
;
5249 case GL_INTENSITY16I_EXT
:
5250 return MESA_FORMAT_I_SINT16
;
5251 case GL_INTENSITY32I_EXT
:
5252 return MESA_FORMAT_I_SINT32
;
5253 case GL_INTENSITY8UI_EXT
:
5254 return MESA_FORMAT_I_UINT8
;
5255 case GL_INTENSITY16UI_EXT
:
5256 return MESA_FORMAT_I_UINT16
;
5257 case GL_INTENSITY32UI_EXT
:
5258 return MESA_FORMAT_I_UINT32
;
5264 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx
) ||
5265 _mesa_has_OES_texture_buffer(ctx
)) {
5266 switch (internalFormat
) {
5268 return MESA_FORMAT_RGB_FLOAT32
;
5270 return MESA_FORMAT_RGB_UINT32
;
5272 return MESA_FORMAT_RGB_SINT32
;
5278 switch (internalFormat
) {
5280 return MESA_FORMAT_R8G8B8A8_UNORM
;
5282 if (_mesa_is_gles(ctx
))
5283 return MESA_FORMAT_NONE
;
5284 return MESA_FORMAT_RGBA_UNORM16
;
5285 case GL_RGBA16F_ARB
:
5286 return MESA_FORMAT_RGBA_FLOAT16
;
5287 case GL_RGBA32F_ARB
:
5288 return MESA_FORMAT_RGBA_FLOAT32
;
5290 return MESA_FORMAT_RGBA_SINT8
;
5291 case GL_RGBA16I_EXT
:
5292 return MESA_FORMAT_RGBA_SINT16
;
5293 case GL_RGBA32I_EXT
:
5294 return MESA_FORMAT_RGBA_SINT32
;
5295 case GL_RGBA8UI_EXT
:
5296 return MESA_FORMAT_RGBA_UINT8
;
5297 case GL_RGBA16UI_EXT
:
5298 return MESA_FORMAT_RGBA_UINT16
;
5299 case GL_RGBA32UI_EXT
:
5300 return MESA_FORMAT_RGBA_UINT32
;
5303 return MESA_FORMAT_R8G8_UNORM
;
5305 if (_mesa_is_gles(ctx
))
5306 return MESA_FORMAT_NONE
;
5307 return MESA_FORMAT_R16G16_UNORM
;
5309 return MESA_FORMAT_RG_FLOAT16
;
5311 return MESA_FORMAT_RG_FLOAT32
;
5313 return MESA_FORMAT_RG_SINT8
;
5315 return MESA_FORMAT_RG_SINT16
;
5317 return MESA_FORMAT_RG_SINT32
;
5319 return MESA_FORMAT_RG_UINT8
;
5321 return MESA_FORMAT_RG_UINT16
;
5323 return MESA_FORMAT_RG_UINT32
;
5326 return MESA_FORMAT_R_UNORM8
;
5328 if (_mesa_is_gles(ctx
))
5329 return MESA_FORMAT_NONE
;
5330 return MESA_FORMAT_R_UNORM16
;
5332 return MESA_FORMAT_R_FLOAT16
;
5334 return MESA_FORMAT_R_FLOAT32
;
5336 return MESA_FORMAT_R_SINT8
;
5338 return MESA_FORMAT_R_SINT16
;
5340 return MESA_FORMAT_R_SINT32
;
5342 return MESA_FORMAT_R_UINT8
;
5344 return MESA_FORMAT_R_UINT16
;
5346 return MESA_FORMAT_R_UINT32
;
5349 return MESA_FORMAT_NONE
;
5355 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5356 GLenum internalFormat
)
5358 mesa_format format
= _mesa_get_texbuffer_format(ctx
, internalFormat
);
5361 if (format
== MESA_FORMAT_NONE
)
5362 return MESA_FORMAT_NONE
;
5364 datatype
= _mesa_get_format_datatype(format
);
5366 /* The GL_ARB_texture_buffer_object spec says:
5368 * "If ARB_texture_float is not supported, references to the
5369 * floating-point internal formats provided by that extension should be
5370 * removed, and such formats may not be passed to TexBufferARB."
5372 * As a result, GL_HALF_FLOAT internal format depends on both
5373 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5375 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5376 !ctx
->Extensions
.ARB_texture_float
)
5377 return MESA_FORMAT_NONE
;
5379 if (!ctx
->Extensions
.ARB_texture_rg
) {
5380 GLenum base_format
= _mesa_get_format_base_format(format
);
5381 if (base_format
== GL_R
|| base_format
== GL_RG
)
5382 return MESA_FORMAT_NONE
;
5385 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5386 GLenum base_format
= _mesa_get_format_base_format(format
);
5387 if (base_format
== GL_RGB
)
5388 return MESA_FORMAT_NONE
;
5395 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
5396 * and glTextureBufferRange, including some error checking.
5399 texture_buffer_range(struct gl_context
*ctx
,
5400 struct gl_texture_object
*texObj
,
5401 GLenum internalFormat
,
5402 struct gl_buffer_object
*bufObj
,
5403 GLintptr offset
, GLsizeiptr size
,
5406 GLintptr oldOffset
= texObj
->BufferOffset
;
5407 GLsizeiptr oldSize
= texObj
->BufferSize
;
5410 /* NOTE: ARB_texture_buffer_object has interactions with
5411 * the compatibility profile that are not implemented.
5413 if (!_mesa_has_ARB_texture_buffer_object(ctx
) &&
5414 !_mesa_has_OES_texture_buffer(ctx
)) {
5415 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5416 "%s(ARB_texture_buffer_object is not"
5417 " implemented for the compatibility profile)", caller
);
5421 if (texObj
->HandleAllocated
) {
5422 /* The ARB_bindless_texture spec says:
5424 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
5425 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
5426 * functions defined in terms of these, if the texture object to be
5427 * modified is referenced by one or more texture or image handles."
5429 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable texture)", caller
);
5433 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5434 if (format
== MESA_FORMAT_NONE
) {
5435 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat %s)",
5436 caller
, _mesa_enum_to_string(internalFormat
));
5440 FLUSH_VERTICES(ctx
, 0);
5442 _mesa_lock_texture(ctx
, texObj
);
5444 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5445 texObj
->BufferObjectFormat
= internalFormat
;
5446 texObj
->_BufferObjectFormat
= format
;
5447 texObj
->BufferOffset
= offset
;
5448 texObj
->BufferSize
= size
;
5450 _mesa_unlock_texture(ctx
, texObj
);
5452 if (ctx
->Driver
.TexParameter
) {
5453 if (offset
!= oldOffset
) {
5454 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_OFFSET
);
5456 if (size
!= oldSize
) {
5457 ctx
->Driver
.TexParameter(ctx
, texObj
, GL_TEXTURE_BUFFER_SIZE
);
5461 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5464 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5470 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5471 * Return true if it is, and return false if it is not
5472 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5473 * core spec, 02.02.2015, PDF page 245).
5476 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5479 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5480 _mesa_error(ctx
, GL_INVALID_ENUM
,
5481 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5489 * Check for errors related to the texture buffer range.
5490 * Return false if errors are found, true if none are found.
5493 check_texture_buffer_range(struct gl_context
*ctx
,
5494 struct gl_buffer_object
*bufObj
,
5495 GLintptr offset
, GLsizeiptr size
,
5498 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5499 * Textures (PDF page 245):
5500 * "An INVALID_VALUE error is generated if offset is negative, if
5501 * size is less than or equal to zero, or if offset + size is greater
5502 * than the value of BUFFER_SIZE for the buffer bound to target."
5505 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5511 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5516 if (offset
+ size
> bufObj
->Size
) {
5517 _mesa_error(ctx
, GL_INVALID_VALUE
,
5518 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5519 (int) offset
, (int) size
, (int) bufObj
->Size
);
5523 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5524 * Textures (PDF page 245):
5525 * "An INVALID_VALUE error is generated if offset is not an integer
5526 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5528 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5529 _mesa_error(ctx
, GL_INVALID_VALUE
,
5530 "%s(invalid offset alignment)", caller
);
5538 /** GL_ARB_texture_buffer_object */
5540 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5542 struct gl_texture_object
*texObj
;
5543 struct gl_buffer_object
*bufObj
;
5545 GET_CURRENT_CONTEXT(ctx
);
5547 /* Need to catch a bad target before it gets to
5548 * _mesa_get_current_tex_object.
5550 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5554 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5560 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5564 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5565 buffer
? -1 : 0, "glTexBuffer");
5569 /** GL_ARB_texture_buffer_range */
5571 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5572 GLintptr offset
, GLsizeiptr size
)
5574 struct gl_texture_object
*texObj
;
5575 struct gl_buffer_object
*bufObj
;
5577 GET_CURRENT_CONTEXT(ctx
);
5579 /* Need to catch a bad target before it gets to
5580 * _mesa_get_current_tex_object.
5582 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5586 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5590 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5591 "glTexBufferRange"))
5595 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5596 * Textures (PDF page 254):
5597 * "If buffer is zero, then any buffer object attached to the buffer
5598 * texture is detached, the values offset and size are ignored and
5599 * the state for offset and size for the buffer texture are reset to
5607 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5611 texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5612 offset
, size
, "glTexBufferRange");
5616 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5618 struct gl_texture_object
*texObj
;
5619 struct gl_buffer_object
*bufObj
;
5621 GET_CURRENT_CONTEXT(ctx
);
5624 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5630 /* Get the texture object by Name. */
5631 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5635 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5638 texture_buffer_range(ctx
, texObj
, internalFormat
,
5639 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5643 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5644 GLintptr offset
, GLsizeiptr size
)
5646 struct gl_texture_object
*texObj
;
5647 struct gl_buffer_object
*bufObj
;
5649 GET_CURRENT_CONTEXT(ctx
);
5652 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5653 "glTextureBufferRange");
5657 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5658 "glTextureBufferRange"))
5662 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5663 * Textures (PDF page 254):
5664 * "If buffer is zero, then any buffer object attached to the buffer
5665 * texture is detached, the values offset and size are ignored and
5666 * the state for offset and size for the buffer texture are reset to
5674 /* Get the texture object by Name. */
5675 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5679 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5680 "glTextureBufferRange"))
5683 texture_buffer_range(ctx
, texObj
, internalFormat
,
5684 bufObj
, offset
, size
, "glTextureBufferRange");
5688 _mesa_is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5690 /* Everything that is allowed for renderbuffers,
5691 * except for a base format of GL_STENCIL_INDEX, unless supported.
5693 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5694 if (ctx
->Extensions
.ARB_texture_stencil8
)
5695 return baseFormat
!= 0;
5697 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5701 /** GL_ARB_texture_multisample */
5703 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5706 case GL_TEXTURE_2D_MULTISAMPLE
:
5708 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5709 return dims
== 2 && !dsa
;
5710 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5712 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5713 return dims
== 3 && !dsa
;
5721 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5722 struct gl_texture_object
*texObj
,
5723 struct gl_memory_object
*memObj
,
5724 GLenum target
, GLsizei samples
,
5725 GLint internalformat
, GLsizei width
,
5726 GLsizei height
, GLsizei depth
,
5727 GLboolean fixedsamplelocations
,
5728 GLboolean immutable
, GLuint64 offset
,
5731 struct gl_texture_image
*texImage
;
5732 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5733 mesa_format texFormat
;
5734 GLenum sample_count_error
;
5735 bool dsa
= strstr(func
, "ture") ? true : false;
5737 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
5738 _mesa_debug(ctx
, "%s(target=%s, samples=%d)\n", func
,
5739 _mesa_enum_to_string(target
), samples
);
5742 if (!((ctx
->Extensions
.ARB_texture_multisample
5743 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5744 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5749 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5753 if (!check_multisample_target(dims
, target
, dsa
)) {
5755 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5759 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5764 /* check that the specified internalformat is color/depth/stencil-renderable;
5765 * refer GL3.1 spec 4.4.4
5768 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5769 _mesa_error(ctx
, GL_INVALID_ENUM
,
5770 "%s(internalformat=%s not legal for immutable-format)",
5771 func
, _mesa_enum_to_string(internalformat
));
5775 if (!_mesa_is_renderable_texture_format(ctx
, internalformat
)) {
5776 /* Page 172 of OpenGL ES 3.1 spec says:
5777 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5778 * color-renderable, depth-renderable, or stencil-renderable (as
5779 * defined in section 9.4).
5781 * (Same error is also defined for desktop OpenGL for multisample
5782 * teximage/texstorage functions.)
5784 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5785 _mesa_enum_to_string(internalformat
));
5789 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5790 internalformat
, samples
);
5791 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5793 /* Page 254 of OpenGL 4.4 spec says:
5794 * "Proxy arrays for two-dimensional multisample and two-dimensional
5795 * multisample array textures are operated on in the same way when
5796 * TexImage2DMultisample is called with target specified as
5797 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5798 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5799 * However, if samples is not supported, then no error is generated.
5801 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5802 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5806 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5807 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5808 "%s(texture object 0)",
5813 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5815 if (texImage
== NULL
) {
5816 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5820 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5821 internalformat
, GL_NONE
, GL_NONE
);
5822 assert(texFormat
!= MESA_FORMAT_NONE
);
5824 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5825 width
, height
, depth
, 0);
5827 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, 0, texFormat
,
5828 samples
, width
, height
, depth
);
5830 if (_mesa_is_proxy_texture(target
)) {
5831 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5832 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5833 internalformat
, texFormat
,
5834 samples
, fixedsamplelocations
);
5837 /* clear all image fields */
5838 clear_teximage_fields(texImage
);
5842 if (!dimensionsOK
) {
5843 _mesa_error(ctx
, GL_INVALID_VALUE
,
5844 "%s(invalid width=%d or height=%d)", func
, width
, height
);
5849 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5853 /* Check if texObj->Immutable is set */
5854 if (texObj
->Immutable
) {
5855 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5859 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5861 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5862 internalformat
, texFormat
,
5863 samples
, fixedsamplelocations
);
5865 if (width
> 0 && height
> 0 && depth
> 0) {
5867 if (!ctx
->Driver
.SetTextureStorageForMemoryObject(ctx
, texObj
,
5872 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5873 internalformat
, texFormat
);
5876 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5877 width
, height
, depth
)) {
5878 /* tidy up the texture image state. strictly speaking,
5879 * we're allowed to just leave this in whatever state we
5880 * like, but being tidy is good.
5882 _mesa_init_teximage_fields(ctx
, texImage
, 0, 0, 0, 0,
5883 internalformat
, texFormat
);
5888 texObj
->Immutable
|= immutable
;
5891 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5894 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5900 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5901 GLenum internalformat
, GLsizei width
,
5902 GLsizei height
, GLboolean fixedsamplelocations
)
5904 struct gl_texture_object
*texObj
;
5905 GET_CURRENT_CONTEXT(ctx
);
5907 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5911 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5912 internalformat
, width
, height
, 1,
5913 fixedsamplelocations
, GL_FALSE
, 0,
5914 "glTexImage2DMultisample");
5919 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5920 GLenum internalformat
, GLsizei width
,
5921 GLsizei height
, GLsizei depth
,
5922 GLboolean fixedsamplelocations
)
5924 struct gl_texture_object
*texObj
;
5925 GET_CURRENT_CONTEXT(ctx
);
5927 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5931 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5932 internalformat
, width
, height
, depth
,
5933 fixedsamplelocations
, GL_FALSE
, 0,
5934 "glTexImage3DMultisample");
5938 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
5939 GLsizei samples
, unsigned dims
)
5941 GET_CURRENT_CONTEXT(ctx
);
5943 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
5944 _mesa_error(ctx
, GL_INVALID_VALUE
,
5945 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
5946 dims
, width
, height
, depth
);
5953 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5954 GLenum internalformat
, GLsizei width
,
5955 GLsizei height
, GLboolean fixedsamplelocations
)
5957 struct gl_texture_object
*texObj
;
5958 GET_CURRENT_CONTEXT(ctx
);
5960 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5964 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5967 texture_image_multisample(ctx
, 2, texObj
, NULL
, target
, samples
,
5968 internalformat
, width
, height
, 1,
5969 fixedsamplelocations
, GL_TRUE
, 0,
5970 "glTexStorage2DMultisample");
5974 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5975 GLenum internalformat
, GLsizei width
,
5976 GLsizei height
, GLsizei depth
,
5977 GLboolean fixedsamplelocations
)
5979 struct gl_texture_object
*texObj
;
5980 GET_CURRENT_CONTEXT(ctx
);
5982 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5986 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5989 texture_image_multisample(ctx
, 3, texObj
, NULL
, target
, samples
,
5990 internalformat
, width
, height
, depth
,
5991 fixedsamplelocations
, GL_TRUE
, 0,
5992 "glTexStorage3DMultisample");
5996 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5997 GLenum internalformat
, GLsizei width
,
5999 GLboolean fixedsamplelocations
)
6001 struct gl_texture_object
*texObj
;
6002 GET_CURRENT_CONTEXT(ctx
);
6004 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6005 "glTextureStorage2DMultisample");
6009 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
6012 texture_image_multisample(ctx
, 2, texObj
, NULL
, texObj
->Target
,
6013 samples
, internalformat
, width
, height
, 1,
6014 fixedsamplelocations
, GL_TRUE
, 0,
6015 "glTextureStorage2DMultisample");
6019 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
6020 GLenum internalformat
, GLsizei width
,
6021 GLsizei height
, GLsizei depth
,
6022 GLboolean fixedsamplelocations
)
6024 struct gl_texture_object
*texObj
;
6025 GET_CURRENT_CONTEXT(ctx
);
6027 /* Get the texture object by Name. */
6028 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
6029 "glTextureStorage3DMultisample");
6033 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
6036 texture_image_multisample(ctx
, 3, texObj
, NULL
, texObj
->Target
, samples
,
6037 internalformat
, width
, height
, depth
,
6038 fixedsamplelocations
, GL_TRUE
, 0,
6039 "glTextureStorage3DMultisample");
6043 _mesa_texture_storage_ms_memory(struct gl_context
*ctx
, GLuint dims
,
6044 struct gl_texture_object
*texObj
,
6045 struct gl_memory_object
*memObj
,
6046 GLenum target
, GLsizei samples
,
6047 GLenum internalFormat
, GLsizei width
,
6048 GLsizei height
, GLsizei depth
,
6049 GLboolean fixedSampleLocations
,
6050 GLuint64 offset
, const char* func
)
6054 texture_image_multisample(ctx
, dims
, texObj
, memObj
, target
, samples
,
6055 internalFormat
, width
, height
, depth
,
6056 fixedSampleLocations
, GL_TRUE
, offset
,