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"
43 #include "multisample.h"
44 #include "pixelstore.h"
46 #include "texcompress.h"
47 #include "texcompress_cpal.h"
51 #include "texstorage.h"
52 #include "textureview.h"
54 #include "glformats.h"
60 * State changes which we care about for glCopyTex[Sub]Image() calls.
61 * In particular, we care about pixel transfer state and buffer state
62 * (such as glReadBuffer to make sure we read from the right renderbuffer).
64 #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
67 * Returns a corresponding internal floating point format for a given base
68 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal
69 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it
70 * needs to be a 16 bit component.
72 * For example, given base format GL_RGBA, type GL_Float return GL_RGBA32F_ARB.
75 adjust_for_oes_float_texture(GLenum format
, GLenum type
)
85 return GL_ALPHA32F_ARB
;
87 return GL_LUMINANCE32F_ARB
;
88 case GL_LUMINANCE_ALPHA
:
89 return GL_LUMINANCE_ALPHA32F_ARB
;
95 case GL_HALF_FLOAT_OES
:
102 return GL_ALPHA16F_ARB
;
104 return GL_LUMINANCE16F_ARB
;
105 case GL_LUMINANCE_ALPHA
:
106 return GL_LUMINANCE_ALPHA16F_ARB
;
120 * Return the simple base format for a given internal texture format.
121 * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
123 * \param ctx GL context.
124 * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
126 * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
127 * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
129 * This is the format which is used during texture application (i.e. the
130 * texture format and env mode determine the arithmetic used.
133 _mesa_base_tex_format( struct gl_context
*ctx
, GLint internalFormat
)
135 switch (internalFormat
) {
141 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_ALPHA
: -1;
148 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_LUMINANCE
: -1;
150 case GL_LUMINANCE_ALPHA
:
151 case GL_LUMINANCE4_ALPHA4
:
152 case GL_LUMINANCE6_ALPHA2
:
153 case GL_LUMINANCE8_ALPHA8
:
154 case GL_LUMINANCE12_ALPHA4
:
155 case GL_LUMINANCE12_ALPHA12
:
156 case GL_LUMINANCE16_ALPHA16
:
157 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_LUMINANCE_ALPHA
: -1;
163 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_INTENSITY
: -1;
165 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_RGB
: -1;
176 return (ctx
->API
!= API_OPENGL_CORE
) ? GL_RGBA
: -1;
190 /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
192 if (_mesa_is_gles(ctx
)) {
193 switch (internalFormat
) {
201 if (ctx
->Extensions
.ARB_ES2_compatibility
) {
202 switch (internalFormat
) {
210 if (ctx
->Extensions
.ARB_depth_texture
) {
211 switch (internalFormat
) {
212 case GL_DEPTH_COMPONENT
:
213 case GL_DEPTH_COMPONENT16
:
214 case GL_DEPTH_COMPONENT24
:
215 case GL_DEPTH_COMPONENT32
:
216 return GL_DEPTH_COMPONENT
;
217 case GL_DEPTH_STENCIL
:
218 case GL_DEPTH24_STENCIL8
:
219 return GL_DEPTH_STENCIL
;
225 if (ctx
->Extensions
.ARB_texture_stencil8
) {
226 switch (internalFormat
) {
227 case GL_STENCIL_INDEX
:
228 case GL_STENCIL_INDEX1
:
229 case GL_STENCIL_INDEX4
:
230 case GL_STENCIL_INDEX8
:
231 case GL_STENCIL_INDEX16
:
232 return GL_STENCIL_INDEX
;
238 switch (internalFormat
) {
239 case GL_COMPRESSED_ALPHA
:
241 case GL_COMPRESSED_LUMINANCE
:
243 case GL_COMPRESSED_LUMINANCE_ALPHA
:
244 return GL_LUMINANCE_ALPHA
;
245 case GL_COMPRESSED_INTENSITY
:
247 case GL_COMPRESSED_RGB
:
249 case GL_COMPRESSED_RGBA
:
255 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
) {
256 switch (internalFormat
) {
257 case GL_COMPRESSED_RGB_FXT1_3DFX
:
259 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
266 /* Assume that the ANGLE flag will always be set if the EXT flag is set.
268 if (ctx
->Extensions
.ANGLE_texture_compression_dxt
) {
269 switch (internalFormat
) {
270 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
272 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
273 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
274 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
281 if (_mesa_is_desktop_gl(ctx
)
282 && ctx
->Extensions
.ANGLE_texture_compression_dxt
) {
283 switch (internalFormat
) {
295 if (ctx
->Extensions
.MESA_ycbcr_texture
) {
296 if (internalFormat
== GL_YCBCR_MESA
)
297 return GL_YCBCR_MESA
;
300 if (ctx
->Extensions
.ARB_texture_float
) {
301 switch (internalFormat
) {
302 case GL_ALPHA16F_ARB
:
303 case GL_ALPHA32F_ARB
:
311 case GL_INTENSITY16F_ARB
:
312 case GL_INTENSITY32F_ARB
:
314 case GL_LUMINANCE16F_ARB
:
315 case GL_LUMINANCE32F_ARB
:
317 case GL_LUMINANCE_ALPHA16F_ARB
:
318 case GL_LUMINANCE_ALPHA32F_ARB
:
319 return GL_LUMINANCE_ALPHA
;
325 if (ctx
->Extensions
.EXT_texture_snorm
) {
326 switch (internalFormat
) {
341 case GL_RGBA16_SNORM
:
344 case GL_ALPHA8_SNORM
:
345 case GL_ALPHA16_SNORM
:
347 case GL_LUMINANCE_SNORM
:
348 case GL_LUMINANCE8_SNORM
:
349 case GL_LUMINANCE16_SNORM
:
351 case GL_LUMINANCE_ALPHA_SNORM
:
352 case GL_LUMINANCE8_ALPHA8_SNORM
:
353 case GL_LUMINANCE16_ALPHA16_SNORM
:
354 return GL_LUMINANCE_ALPHA
;
355 case GL_INTENSITY_SNORM
:
356 case GL_INTENSITY8_SNORM
:
357 case GL_INTENSITY16_SNORM
:
364 if (ctx
->Extensions
.EXT_texture_sRGB
) {
365 switch (internalFormat
) {
368 case GL_COMPRESSED_SRGB_EXT
:
370 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
371 return ctx
->Extensions
.EXT_texture_compression_s3tc
? GL_RGB
: -1;
372 case GL_SRGB_ALPHA_EXT
:
373 case GL_SRGB8_ALPHA8_EXT
:
374 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
376 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
377 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
378 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
379 return ctx
->Extensions
.EXT_texture_compression_s3tc
? GL_RGBA
: -1;
380 case GL_SLUMINANCE_ALPHA_EXT
:
381 case GL_SLUMINANCE8_ALPHA8_EXT
:
382 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
383 return GL_LUMINANCE_ALPHA
;
384 case GL_SLUMINANCE_EXT
:
385 case GL_SLUMINANCE8_EXT
:
386 case GL_COMPRESSED_SLUMINANCE_EXT
:
393 if (ctx
->Version
>= 30 ||
394 ctx
->Extensions
.EXT_texture_integer
) {
395 switch (internalFormat
) {
397 case GL_RGBA16UI_EXT
:
398 case GL_RGBA32UI_EXT
:
414 if (ctx
->Extensions
.EXT_texture_integer
) {
415 switch (internalFormat
) {
416 case GL_ALPHA8UI_EXT
:
417 case GL_ALPHA16UI_EXT
:
418 case GL_ALPHA32UI_EXT
:
420 case GL_ALPHA16I_EXT
:
421 case GL_ALPHA32I_EXT
:
423 case GL_INTENSITY8UI_EXT
:
424 case GL_INTENSITY16UI_EXT
:
425 case GL_INTENSITY32UI_EXT
:
426 case GL_INTENSITY8I_EXT
:
427 case GL_INTENSITY16I_EXT
:
428 case GL_INTENSITY32I_EXT
:
430 case GL_LUMINANCE8UI_EXT
:
431 case GL_LUMINANCE16UI_EXT
:
432 case GL_LUMINANCE32UI_EXT
:
433 case GL_LUMINANCE8I_EXT
:
434 case GL_LUMINANCE16I_EXT
:
435 case GL_LUMINANCE32I_EXT
:
437 case GL_LUMINANCE_ALPHA8UI_EXT
:
438 case GL_LUMINANCE_ALPHA16UI_EXT
:
439 case GL_LUMINANCE_ALPHA32UI_EXT
:
440 case GL_LUMINANCE_ALPHA8I_EXT
:
441 case GL_LUMINANCE_ALPHA16I_EXT
:
442 case GL_LUMINANCE_ALPHA32I_EXT
:
443 return GL_LUMINANCE_ALPHA
;
449 if (ctx
->Extensions
.ARB_texture_rg
) {
450 switch (internalFormat
) {
453 if (!ctx
->Extensions
.ARB_texture_float
)
462 if (ctx
->Version
< 30 && !ctx
->Extensions
.EXT_texture_integer
)
468 case GL_COMPRESSED_RED
:
473 if (!ctx
->Extensions
.ARB_texture_float
)
482 if (ctx
->Version
< 30 && !ctx
->Extensions
.EXT_texture_integer
)
488 case GL_COMPRESSED_RG
:
495 if (ctx
->Extensions
.EXT_texture_shared_exponent
) {
496 switch (internalFormat
) {
504 if (ctx
->Extensions
.EXT_packed_float
) {
505 switch (internalFormat
) {
506 case GL_R11F_G11F_B10F_EXT
:
513 if (ctx
->Extensions
.ARB_depth_buffer_float
) {
514 switch (internalFormat
) {
515 case GL_DEPTH_COMPONENT32F
:
516 return GL_DEPTH_COMPONENT
;
517 case GL_DEPTH32F_STENCIL8
:
518 return GL_DEPTH_STENCIL
;
524 if (ctx
->Extensions
.ARB_texture_compression_rgtc
) {
525 switch (internalFormat
) {
526 case GL_COMPRESSED_RED_RGTC1
:
527 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
529 case GL_COMPRESSED_RG_RGTC2
:
530 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
537 if (ctx
->Extensions
.EXT_texture_compression_latc
) {
538 switch (internalFormat
) {
539 case GL_COMPRESSED_LUMINANCE_LATC1_EXT
:
540 case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT
:
542 case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
:
543 case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT
:
544 return GL_LUMINANCE_ALPHA
;
550 if (ctx
->Extensions
.ATI_texture_compression_3dc
) {
551 switch (internalFormat
) {
552 case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI
:
553 return GL_LUMINANCE_ALPHA
;
559 if (ctx
->Extensions
.OES_compressed_ETC1_RGB8_texture
) {
560 switch (internalFormat
) {
561 case GL_ETC1_RGB8_OES
:
568 if (_mesa_is_gles3(ctx
) || ctx
->Extensions
.ARB_ES3_compatibility
) {
569 switch (internalFormat
) {
570 case GL_COMPRESSED_RGB8_ETC2
:
571 case GL_COMPRESSED_SRGB8_ETC2
:
573 case GL_COMPRESSED_RGBA8_ETC2_EAC
:
574 case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
:
575 case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
576 case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
578 case GL_COMPRESSED_R11_EAC
:
579 case GL_COMPRESSED_SIGNED_R11_EAC
:
581 case GL_COMPRESSED_RG11_EAC
:
582 case GL_COMPRESSED_SIGNED_RG11_EAC
:
589 if (_mesa_is_desktop_gl(ctx
) &&
590 ctx
->Extensions
.ARB_texture_compression_bptc
) {
591 switch (internalFormat
) {
592 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
593 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
595 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
596 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
603 if (ctx
->API
== API_OPENGLES
) {
604 switch (internalFormat
) {
605 case GL_PALETTE4_RGB8_OES
:
606 case GL_PALETTE4_R5_G6_B5_OES
:
607 case GL_PALETTE8_RGB8_OES
:
608 case GL_PALETTE8_R5_G6_B5_OES
:
610 case GL_PALETTE4_RGBA8_OES
:
611 case GL_PALETTE8_RGB5_A1_OES
:
612 case GL_PALETTE4_RGBA4_OES
:
613 case GL_PALETTE4_RGB5_A1_OES
:
614 case GL_PALETTE8_RGBA8_OES
:
615 case GL_PALETTE8_RGBA4_OES
:
622 return -1; /* error */
627 * For cube map faces, return a face index in [0,5].
628 * For other targets return 0;
631 _mesa_tex_target_to_face(GLenum target
)
633 if (_mesa_is_cube_face(target
))
634 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
642 * Install gl_texture_image in a gl_texture_object according to the target
643 * and level parameters.
645 * \param tObj texture object.
646 * \param target texture target.
647 * \param level image level.
648 * \param texImage texture image.
651 set_tex_image(struct gl_texture_object
*tObj
,
652 GLenum target
, GLint level
,
653 struct gl_texture_image
*texImage
)
655 const GLuint face
= _mesa_tex_target_to_face(target
);
659 if (target
== GL_TEXTURE_RECTANGLE_NV
|| target
== GL_TEXTURE_EXTERNAL_OES
)
662 tObj
->Image
[face
][level
] = texImage
;
664 /* Set the 'back' pointer */
665 texImage
->TexObject
= tObj
;
666 texImage
->Level
= level
;
667 texImage
->Face
= face
;
672 * Allocate a texture image structure.
674 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
677 * \return a pointer to gl_texture_image struct with all fields initialized to
680 struct gl_texture_image
*
681 _mesa_new_texture_image( struct gl_context
*ctx
)
684 return CALLOC_STRUCT(gl_texture_image
);
689 * Free a gl_texture_image and associated data.
690 * This function is a fallback called via ctx->Driver.DeleteTextureImage().
692 * \param texImage texture image.
694 * Free the texture image structure and the associated image data.
697 _mesa_delete_texture_image(struct gl_context
*ctx
,
698 struct gl_texture_image
*texImage
)
700 /* Free texImage->Data and/or any other driver-specific texture
703 assert(ctx
->Driver
.FreeTextureImageBuffer
);
704 ctx
->Driver
.FreeTextureImageBuffer( ctx
, texImage
);
710 * Test if a target is a proxy target.
712 * \param target texture target.
714 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
717 _mesa_is_proxy_texture(GLenum target
)
720 static const GLenum targets
[] = {
724 GL_PROXY_TEXTURE_CUBE_MAP
,
725 GL_PROXY_TEXTURE_RECTANGLE
,
726 GL_PROXY_TEXTURE_1D_ARRAY
,
727 GL_PROXY_TEXTURE_2D_ARRAY
,
728 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
,
729 GL_PROXY_TEXTURE_2D_MULTISAMPLE
,
730 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
733 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
734 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
736 STATIC_ASSERT(NUM_TEXTURE_TARGETS
== ARRAY_SIZE(targets
) + 2);
738 for (i
= 0; i
< ARRAY_SIZE(targets
); ++i
)
739 if (target
== targets
[i
])
746 * Test if a target is an array target.
748 * \param target texture target.
750 * \return true if the target is an array target, false otherwise.
753 _mesa_is_array_texture(GLenum target
)
756 case GL_TEXTURE_1D_ARRAY
:
757 case GL_TEXTURE_2D_ARRAY
:
758 case GL_TEXTURE_CUBE_MAP_ARRAY
:
759 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
768 * Return the proxy target which corresponds to the given texture target
771 proxy_target(GLenum target
)
775 case GL_PROXY_TEXTURE_1D
:
776 return GL_PROXY_TEXTURE_1D
;
778 case GL_PROXY_TEXTURE_2D
:
779 return GL_PROXY_TEXTURE_2D
;
781 case GL_PROXY_TEXTURE_3D
:
782 return GL_PROXY_TEXTURE_3D
;
783 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
784 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
785 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
786 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
787 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
788 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
789 case GL_TEXTURE_CUBE_MAP_ARB
:
790 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
791 return GL_PROXY_TEXTURE_CUBE_MAP_ARB
;
792 case GL_TEXTURE_RECTANGLE_NV
:
793 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
794 return GL_PROXY_TEXTURE_RECTANGLE_NV
;
795 case GL_TEXTURE_1D_ARRAY_EXT
:
796 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
797 return GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
798 case GL_TEXTURE_2D_ARRAY_EXT
:
799 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
800 return GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
801 case GL_TEXTURE_CUBE_MAP_ARRAY
:
802 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
803 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
;
804 case GL_TEXTURE_2D_MULTISAMPLE
:
805 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
806 return GL_PROXY_TEXTURE_2D_MULTISAMPLE
;
807 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
808 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
809 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
;
811 _mesa_problem(NULL
, "unexpected target in proxy_target()");
820 * Get a texture image pointer from a texture object, given a texture
821 * target and mipmap level. The target and level parameters should
822 * have already been error-checked.
824 * \param texObj texture unit.
825 * \param target texture target.
826 * \param level image level.
828 * \return pointer to the texture image structure, or NULL on failure.
830 struct gl_texture_image
*
831 _mesa_select_tex_image(const struct gl_texture_object
*texObj
,
832 GLenum target
, GLint level
)
834 const GLuint face
= _mesa_tex_target_to_face(target
);
838 assert(level
< MAX_TEXTURE_LEVELS
);
840 return texObj
->Image
[face
][level
];
845 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
846 * it and install it. Only return NULL if passed a bad parameter or run
849 struct gl_texture_image
*
850 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
851 GLenum target
, GLint level
)
853 struct gl_texture_image
*texImage
;
858 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
860 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
862 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
866 set_tex_image(texObj
, target
, level
, texImage
);
874 * Return pointer to the specified proxy texture image.
875 * Note that proxy textures are per-context, not per-texture unit.
876 * \return pointer to texture image or NULL if invalid target, invalid
877 * level, or out of memory.
879 static struct gl_texture_image
*
880 get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
)
882 struct gl_texture_image
*texImage
;
889 case GL_PROXY_TEXTURE_1D
:
890 if (level
>= ctx
->Const
.MaxTextureLevels
)
892 texIndex
= TEXTURE_1D_INDEX
;
894 case GL_PROXY_TEXTURE_2D
:
895 if (level
>= ctx
->Const
.MaxTextureLevels
)
897 texIndex
= TEXTURE_2D_INDEX
;
899 case GL_PROXY_TEXTURE_3D
:
900 if (level
>= ctx
->Const
.Max3DTextureLevels
)
902 texIndex
= TEXTURE_3D_INDEX
;
904 case GL_PROXY_TEXTURE_CUBE_MAP
:
905 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
907 texIndex
= TEXTURE_CUBE_INDEX
;
909 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
912 texIndex
= TEXTURE_RECT_INDEX
;
914 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
915 if (level
>= ctx
->Const
.MaxTextureLevels
)
917 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
919 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
920 if (level
>= ctx
->Const
.MaxTextureLevels
)
922 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
924 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
925 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
927 texIndex
= TEXTURE_CUBE_ARRAY_INDEX
;
929 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
932 texIndex
= TEXTURE_2D_MULTISAMPLE_INDEX
;
934 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
937 texIndex
= TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
;
943 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
945 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
947 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
950 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
951 /* Set the 'back' pointer */
952 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
959 * Get the maximum number of allowed mipmap levels.
961 * \param ctx GL context.
962 * \param target texture target.
964 * \return the maximum number of allowed mipmap levels for the given
965 * texture target, or zero if passed a bad target.
970 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
)
974 case GL_PROXY_TEXTURE_1D
:
976 case GL_PROXY_TEXTURE_2D
:
977 return ctx
->Const
.MaxTextureLevels
;
979 case GL_PROXY_TEXTURE_3D
:
980 return ctx
->Const
.Max3DTextureLevels
;
981 case GL_TEXTURE_CUBE_MAP
:
982 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
983 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
984 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
985 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
986 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
987 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
988 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
989 return ctx
->Extensions
.ARB_texture_cube_map
990 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
991 case GL_TEXTURE_RECTANGLE_NV
:
992 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
993 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
994 case GL_TEXTURE_1D_ARRAY_EXT
:
995 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
996 case GL_TEXTURE_2D_ARRAY_EXT
:
997 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
998 return ctx
->Extensions
.EXT_texture_array
999 ? ctx
->Const
.MaxTextureLevels
: 0;
1000 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1001 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1002 return ctx
->Extensions
.ARB_texture_cube_map_array
1003 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
1004 case GL_TEXTURE_BUFFER
:
1005 return ctx
->API
== API_OPENGL_CORE
&&
1006 ctx
->Extensions
.ARB_texture_buffer_object
? 1 : 0;
1007 case GL_TEXTURE_2D_MULTISAMPLE
:
1008 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1009 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1010 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1011 return _mesa_is_desktop_gl(ctx
)
1012 && ctx
->Extensions
.ARB_texture_multisample
1014 case GL_TEXTURE_EXTERNAL_OES
:
1017 return 0; /* bad target */
1023 * Return number of dimensions per mipmap level for the given texture target.
1026 _mesa_get_texture_dimensions(GLenum target
)
1030 case GL_PROXY_TEXTURE_1D
:
1033 case GL_TEXTURE_RECTANGLE
:
1034 case GL_TEXTURE_CUBE_MAP
:
1035 case GL_PROXY_TEXTURE_2D
:
1036 case GL_PROXY_TEXTURE_RECTANGLE
:
1037 case GL_PROXY_TEXTURE_CUBE_MAP
:
1038 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1039 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1040 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1041 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1042 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1043 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1044 case GL_TEXTURE_1D_ARRAY
:
1045 case GL_PROXY_TEXTURE_1D_ARRAY
:
1046 case GL_TEXTURE_EXTERNAL_OES
:
1047 case GL_TEXTURE_2D_MULTISAMPLE
:
1048 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1051 case GL_PROXY_TEXTURE_3D
:
1052 case GL_TEXTURE_2D_ARRAY
:
1053 case GL_PROXY_TEXTURE_2D_ARRAY
:
1054 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1055 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1056 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1057 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1059 case GL_TEXTURE_BUFFER
:
1062 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
1070 * Check if a texture target can have more than one layer.
1073 _mesa_tex_target_is_layered(GLenum target
)
1077 case GL_PROXY_TEXTURE_1D
:
1079 case GL_PROXY_TEXTURE_2D
:
1080 case GL_TEXTURE_RECTANGLE
:
1081 case GL_PROXY_TEXTURE_RECTANGLE
:
1082 case GL_TEXTURE_2D_MULTISAMPLE
:
1083 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1084 case GL_TEXTURE_BUFFER
:
1085 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1086 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1087 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1088 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1089 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1090 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1091 case GL_TEXTURE_EXTERNAL_OES
:
1095 case GL_PROXY_TEXTURE_3D
:
1096 case GL_TEXTURE_CUBE_MAP
:
1097 case GL_PROXY_TEXTURE_CUBE_MAP
:
1098 case GL_TEXTURE_1D_ARRAY
:
1099 case GL_PROXY_TEXTURE_1D_ARRAY
:
1100 case GL_TEXTURE_2D_ARRAY
:
1101 case GL_PROXY_TEXTURE_2D_ARRAY
:
1102 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1103 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1104 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1105 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1109 assert(!"Invalid texture target.");
1116 * Return the number of layers present in the given level of an array,
1117 * cubemap or 3D texture. If the texture is not layered return zero.
1120 _mesa_get_texture_layers(const struct gl_texture_object
*texObj
, GLint level
)
1122 assert(level
>= 0 && level
< MAX_TEXTURE_LEVELS
);
1124 switch (texObj
->Target
) {
1127 case GL_TEXTURE_RECTANGLE
:
1128 case GL_TEXTURE_2D_MULTISAMPLE
:
1129 case GL_TEXTURE_BUFFER
:
1130 case GL_TEXTURE_EXTERNAL_OES
:
1133 case GL_TEXTURE_CUBE_MAP
:
1136 case GL_TEXTURE_1D_ARRAY
: {
1137 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
1138 return img
? img
->Height
: 0;
1142 case GL_TEXTURE_2D_ARRAY
:
1143 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1144 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
: {
1145 struct gl_texture_image
*img
= texObj
->Image
[0][level
];
1146 return img
? img
->Depth
: 0;
1150 assert(!"Invalid texture target.");
1157 * Return the maximum number of mipmap levels for the given target
1158 * and the dimensions.
1159 * The dimensions are expected not to include the border.
1162 _mesa_get_tex_max_num_levels(GLenum target
, GLsizei width
, GLsizei height
,
1169 case GL_TEXTURE_1D_ARRAY
:
1170 case GL_PROXY_TEXTURE_1D
:
1171 case GL_PROXY_TEXTURE_1D_ARRAY
:
1174 case GL_TEXTURE_CUBE_MAP
:
1175 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1176 case GL_PROXY_TEXTURE_CUBE_MAP
:
1177 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1181 case GL_TEXTURE_2D_ARRAY
:
1182 case GL_PROXY_TEXTURE_2D
:
1183 case GL_PROXY_TEXTURE_2D_ARRAY
:
1184 size
= MAX2(width
, height
);
1187 case GL_PROXY_TEXTURE_3D
:
1188 size
= MAX3(width
, height
, depth
);
1190 case GL_TEXTURE_RECTANGLE
:
1191 case GL_TEXTURE_EXTERNAL_OES
:
1192 case GL_TEXTURE_2D_MULTISAMPLE
:
1193 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1194 case GL_PROXY_TEXTURE_RECTANGLE
:
1195 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1196 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1203 return _mesa_logbase2(size
) + 1;
1207 #if 000 /* not used anymore */
1209 * glTexImage[123]D can accept a NULL image pointer. In this case we
1210 * create a texture image with unspecified image contents per the OpenGL
1214 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
1216 const GLint components
= _mesa_components_in_format(format
);
1217 const GLint numPixels
= width
* height
* depth
;
1218 GLubyte
*data
= (GLubyte
*) malloc(numPixels
* components
* sizeof(GLubyte
));
1222 * Let's see if anyone finds this. If glTexImage2D() is called with
1223 * a NULL image pointer then load the texture image with something
1224 * interesting instead of leaving it indeterminate.
1227 static const char message
[8][32] = {
1228 " X X XXXXX XXX X ",
1229 " XX XX X X X X X ",
1231 " X X XXXX XXX XXXXX ",
1234 " X X XXXXX XXX X X ",
1238 GLubyte
*imgPtr
= data
;
1240 for (h
= 0; h
< depth
; h
++) {
1241 for (i
= 0; i
< height
; i
++) {
1242 GLint srcRow
= 7 - (i
% 8);
1243 for (j
= 0; j
< width
; j
++) {
1244 GLint srcCol
= j
% 32;
1245 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
1246 for (k
= 0; k
< components
; k
++) {
1262 * Set the size and format-related fields of a gl_texture_image struct
1263 * to zero. This is used when a proxy texture test fails.
1266 clear_teximage_fields(struct gl_texture_image
*img
)
1269 img
->_BaseFormat
= 0;
1270 img
->InternalFormat
= 0;
1279 img
->HeightLog2
= 0;
1281 img
->TexFormat
= MESA_FORMAT_NONE
;
1282 img
->NumSamples
= 0;
1283 img
->FixedSampleLocations
= GL_TRUE
;
1288 * Initialize basic fields of the gl_texture_image struct.
1290 * \param ctx GL context.
1291 * \param img texture image structure to be initialized.
1292 * \param width image width.
1293 * \param height image height.
1294 * \param depth image depth.
1295 * \param border image border.
1296 * \param internalFormat internal format.
1297 * \param format the actual hardware format (one of MESA_FORMAT_*)
1298 * \param numSamples number of samples per texel, or zero for non-MS.
1299 * \param fixedSampleLocations are sample locations fixed?
1301 * Fills in the fields of \p img with the given information.
1302 * Note: width, height and depth include the border.
1305 init_teximage_fields_ms(struct gl_context
*ctx
,
1306 struct gl_texture_image
*img
,
1307 GLsizei width
, GLsizei height
, GLsizei depth
,
1308 GLint border
, GLenum internalFormat
,
1310 GLuint numSamples
, GLboolean fixedSampleLocations
)
1315 assert(height
>= 0);
1318 target
= img
->TexObject
->Target
;
1319 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
1320 assert(img
->_BaseFormat
!= -1);
1321 img
->InternalFormat
= internalFormat
;
1322 img
->Border
= border
;
1324 img
->Height
= height
;
1327 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
1328 img
->WidthLog2
= _mesa_logbase2(img
->Width2
);
1330 img
->NumSamples
= 0;
1331 img
->FixedSampleLocations
= GL_TRUE
;
1335 case GL_TEXTURE_BUFFER
:
1336 case GL_PROXY_TEXTURE_1D
:
1341 img
->HeightLog2
= 0;
1348 case GL_TEXTURE_1D_ARRAY
:
1349 case GL_PROXY_TEXTURE_1D_ARRAY
:
1350 img
->Height2
= height
; /* no border */
1351 img
->HeightLog2
= 0; /* not used */
1359 case GL_TEXTURE_RECTANGLE
:
1360 case GL_TEXTURE_CUBE_MAP
:
1361 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1362 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1363 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1364 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1365 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1366 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1367 case GL_TEXTURE_EXTERNAL_OES
:
1368 case GL_PROXY_TEXTURE_2D
:
1369 case GL_PROXY_TEXTURE_RECTANGLE
:
1370 case GL_PROXY_TEXTURE_CUBE_MAP
:
1371 case GL_TEXTURE_2D_MULTISAMPLE
:
1372 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1373 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
1374 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
1381 case GL_TEXTURE_2D_ARRAY
:
1382 case GL_PROXY_TEXTURE_2D_ARRAY
:
1383 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1384 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1385 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1386 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1387 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
1388 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
1389 img
->Depth2
= depth
; /* no border */
1390 img
->DepthLog2
= 0; /* not used */
1393 case GL_PROXY_TEXTURE_3D
:
1394 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
1395 img
->HeightLog2
= _mesa_logbase2(img
->Height2
);
1396 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
1397 img
->DepthLog2
= _mesa_logbase2(img
->Depth2
);
1400 _mesa_problem(NULL
, "invalid target 0x%x in _mesa_init_teximage_fields()",
1405 _mesa_get_tex_max_num_levels(target
,
1406 img
->Width2
, img
->Height2
, img
->Depth2
);
1407 img
->TexFormat
= format
;
1408 img
->NumSamples
= numSamples
;
1409 img
->FixedSampleLocations
= fixedSampleLocations
;
1414 _mesa_init_teximage_fields(struct gl_context
*ctx
,
1415 struct gl_texture_image
*img
,
1416 GLsizei width
, GLsizei height
, GLsizei depth
,
1417 GLint border
, GLenum internalFormat
,
1420 init_teximage_fields_ms(ctx
, img
, width
, height
, depth
, border
,
1421 internalFormat
, format
, 0, GL_TRUE
);
1426 * Free and clear fields of the gl_texture_image struct.
1428 * \param ctx GL context.
1429 * \param texImage texture image structure to be cleared.
1431 * After the call, \p texImage will have no data associated with it. Its
1432 * fields are cleared so that its parent object will test incomplete.
1435 _mesa_clear_texture_image(struct gl_context
*ctx
,
1436 struct gl_texture_image
*texImage
)
1438 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
1439 clear_teximage_fields(texImage
);
1444 * Check the width, height, depth and border of a texture image are legal.
1445 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
1447 * The target and level parameters will have already been validated.
1448 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
1451 _mesa_legal_texture_dimensions(struct gl_context
*ctx
, GLenum target
,
1452 GLint level
, GLint width
, GLint height
,
1453 GLint depth
, GLint border
)
1459 case GL_PROXY_TEXTURE_1D
:
1460 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1); /* level zero size */
1461 maxSize
>>= level
; /* level size */
1462 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1464 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1465 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1471 case GL_PROXY_TEXTURE_2D
:
1472 case GL_TEXTURE_2D_MULTISAMPLE
:
1473 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1474 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1476 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1478 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1480 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1481 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1483 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1489 case GL_PROXY_TEXTURE_3D
:
1490 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1492 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1494 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1496 if (depth
< 2 * border
|| depth
> 2 * border
+ maxSize
)
1498 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1499 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1501 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1503 if (depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
))
1508 case GL_TEXTURE_RECTANGLE_NV
:
1509 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1512 maxSize
= ctx
->Const
.MaxTextureRectSize
;
1513 if (width
< 0 || width
> maxSize
)
1515 if (height
< 0 || height
> maxSize
)
1519 case GL_TEXTURE_CUBE_MAP
:
1520 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1521 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1522 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1523 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1524 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1525 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1526 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1527 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1529 if (width
!= height
)
1531 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1533 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1535 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1536 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1538 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1543 case GL_TEXTURE_1D_ARRAY_EXT
:
1544 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1545 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1547 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1549 if (height
< 0 || height
> ctx
->Const
.MaxArrayTextureLayers
)
1551 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1552 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1557 case GL_TEXTURE_2D_ARRAY_EXT
:
1558 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1559 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1560 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1561 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1563 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1565 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1567 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
)
1569 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1570 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1572 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1577 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1578 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1579 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1580 if (width
< 2 * border
|| width
> 2 * border
+ maxSize
)
1582 if (height
< 2 * border
|| height
> 2 * border
+ maxSize
)
1584 if (depth
< 0 || depth
> ctx
->Const
.MaxArrayTextureLayers
|| depth
% 6)
1586 if (width
!= height
)
1588 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
1590 if (!ctx
->Extensions
.ARB_texture_non_power_of_two
) {
1591 if (width
> 0 && !_mesa_is_pow_two(width
- 2 * border
))
1593 if (height
> 0 && !_mesa_is_pow_two(height
- 2 * border
))
1598 _mesa_problem(ctx
, "Invalid target in _mesa_legal_texture_dimensions()");
1605 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1606 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1607 * \param destImage the destination texture image.
1608 * \return GL_TRUE if error found, GL_FALSE otherwise.
1611 error_check_subtexture_dimensions(struct gl_context
*ctx
, GLuint dims
,
1612 const struct gl_texture_image
*destImage
,
1613 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1614 GLsizei subWidth
, GLsizei subHeight
,
1615 GLsizei subDepth
, const char *func
)
1617 const GLenum target
= destImage
->TexObject
->Target
;
1622 _mesa_error(ctx
, GL_INVALID_VALUE
,
1623 "%s(width=%d)", func
, subWidth
);
1627 if (dims
> 1 && subHeight
< 0) {
1628 _mesa_error(ctx
, GL_INVALID_VALUE
,
1629 "%s(height=%d)", func
, subHeight
);
1633 if (dims
> 2 && subDepth
< 0) {
1634 _mesa_error(ctx
, GL_INVALID_VALUE
,
1635 "%s(depth=%d)", func
, subDepth
);
1639 /* check xoffset and width */
1640 if (xoffset
< - (GLint
) destImage
->Border
) {
1641 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset)", func
);
1645 if (xoffset
+ subWidth
> (GLint
) destImage
->Width
) {
1646 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(xoffset+width)", func
);
1650 /* check yoffset and height */
1652 GLint yBorder
= (target
== GL_TEXTURE_1D_ARRAY
) ? 0 : destImage
->Border
;
1653 if (yoffset
< -yBorder
) {
1654 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset)", func
);
1657 if (yoffset
+ subHeight
> (GLint
) destImage
->Height
) {
1658 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(yoffset+height)", func
);
1663 /* check zoffset and depth */
1666 GLint zBorder
= (target
== GL_TEXTURE_2D_ARRAY
||
1667 target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ?
1668 0 : destImage
->Border
;
1670 if (zoffset
< -zBorder
) {
1671 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset)", func
);
1675 depth
= (GLint
) destImage
->Depth
;
1676 if (target
== GL_TEXTURE_CUBE_MAP
)
1678 if (zoffset
+ subDepth
> depth
) {
1679 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(zoffset+depth)", func
);
1685 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1686 * compressed texture images can be updated. But, that restriction may be
1687 * relaxed for particular compressed formats. At this time, all the
1688 * compressed formats supported by Mesa allow sub-textures to be updated
1689 * along compressed block boundaries.
1691 _mesa_get_format_block_size(destImage
->TexFormat
, &bw
, &bh
);
1693 if (bw
!= 1 || bh
!= 1) {
1694 /* offset must be multiple of block size */
1695 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0)) {
1696 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1697 "%s(xoffset = %d, yoffset = %d)",
1698 func
, xoffset
, yoffset
);
1702 /* The size must be a multiple of bw x bh, or we must be using a
1703 * offset+size that exactly hits the edge of the image. This
1704 * is important for small mipmap levels (1x1, 2x1, etc) and for
1707 if ((subWidth
% bw
!= 0) &&
1708 (xoffset
+ subWidth
!= (GLint
) destImage
->Width
)) {
1709 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1710 "%s(width = %d)", func
, subWidth
);
1714 if ((subHeight
% bh
!= 0) &&
1715 (yoffset
+ subHeight
!= (GLint
) destImage
->Height
)) {
1716 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1717 "%s(height = %d)", func
, subHeight
);
1729 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1730 * specific texture image size checks.
1732 * A hardware driver might override this function if, for example, the
1733 * max 3D texture size is 512x512x64 (i.e. not a cube).
1735 * Note that width, height, depth == 0 is not an error. However, a
1736 * texture with zero width/height/depth will be considered "incomplete"
1737 * and texturing will effectively be disabled.
1739 * \param target any texture target/type
1740 * \param level as passed to glTexImage
1741 * \param format the MESA_FORMAT_x for the tex image
1742 * \param width as passed to glTexImage
1743 * \param height as passed to glTexImage
1744 * \param depth as passed to glTexImage
1745 * \param border as passed to glTexImage
1746 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1749 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
, GLint level
,
1751 GLint width
, GLint height
, GLint depth
, GLint border
)
1753 /* We just check if the image size is less than MaxTextureMbytes.
1754 * Some drivers may do more specific checks.
1756 uint64_t bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1757 uint64_t mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1758 mbytes
*= _mesa_num_tex_faces(target
);
1759 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1764 * Return true if the format is only valid for glCompressedTexImage.
1767 compressedteximage_only_format(const struct gl_context
*ctx
, GLenum format
)
1770 case GL_ETC1_RGB8_OES
:
1771 case GL_PALETTE4_RGB8_OES
:
1772 case GL_PALETTE4_RGBA8_OES
:
1773 case GL_PALETTE4_R5_G6_B5_OES
:
1774 case GL_PALETTE4_RGBA4_OES
:
1775 case GL_PALETTE4_RGB5_A1_OES
:
1776 case GL_PALETTE8_RGB8_OES
:
1777 case GL_PALETTE8_RGBA8_OES
:
1778 case GL_PALETTE8_R5_G6_B5_OES
:
1779 case GL_PALETTE8_RGBA4_OES
:
1780 case GL_PALETTE8_RGB5_A1_OES
:
1789 * Helper function to determine whether a target and specific compression
1790 * format are supported.
1793 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1798 case GL_PROXY_TEXTURE_2D
:
1799 return GL_TRUE
; /* true for any compressed format so far */
1800 case GL_PROXY_TEXTURE_CUBE_MAP
:
1801 case GL_TEXTURE_CUBE_MAP
:
1802 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1803 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1804 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1805 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1806 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1807 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1808 return ctx
->Extensions
.ARB_texture_cube_map
;
1809 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1810 case GL_TEXTURE_2D_ARRAY_EXT
:
1811 return ctx
->Extensions
.EXT_texture_array
;
1812 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1813 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1814 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1816 switch (intFormat
) {
1817 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
1818 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
1819 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
1820 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
1821 return ctx
->Extensions
.ARB_texture_compression_bptc
;
1832 * Check if the given texture target value is legal for a
1833 * glTexImage1/2/3D call.
1836 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1842 case GL_PROXY_TEXTURE_1D
:
1843 return _mesa_is_desktop_gl(ctx
);
1851 case GL_PROXY_TEXTURE_2D
:
1852 return _mesa_is_desktop_gl(ctx
);
1853 case GL_PROXY_TEXTURE_CUBE_MAP
:
1854 return _mesa_is_desktop_gl(ctx
)
1855 && ctx
->Extensions
.ARB_texture_cube_map
;
1856 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1857 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1858 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1859 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1860 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1861 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1862 return ctx
->Extensions
.ARB_texture_cube_map
;
1863 case GL_TEXTURE_RECTANGLE_NV
:
1864 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1865 return _mesa_is_desktop_gl(ctx
)
1866 && ctx
->Extensions
.NV_texture_rectangle
;
1867 case GL_TEXTURE_1D_ARRAY_EXT
:
1868 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1869 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1877 case GL_PROXY_TEXTURE_3D
:
1878 return _mesa_is_desktop_gl(ctx
);
1879 case GL_TEXTURE_2D_ARRAY_EXT
:
1880 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1881 || _mesa_is_gles3(ctx
);
1882 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1883 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1884 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1885 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1886 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1891 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1898 * Check if the given texture target value is legal for a
1899 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1900 * The difference compared to legal_teximage_target() above is that
1901 * proxy targets are not supported.
1904 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1909 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1914 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1915 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1916 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1917 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1918 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1919 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1920 return ctx
->Extensions
.ARB_texture_cube_map
;
1921 case GL_TEXTURE_RECTANGLE_NV
:
1922 return _mesa_is_desktop_gl(ctx
)
1923 && ctx
->Extensions
.NV_texture_rectangle
;
1924 case GL_TEXTURE_1D_ARRAY_EXT
:
1925 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1933 case GL_TEXTURE_2D_ARRAY_EXT
:
1934 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1935 || _mesa_is_gles3(ctx
);
1936 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1937 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1938 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1940 /* Table 8.15 of the OpenGL 4.5 core profile spec
1941 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1942 * and CopyTextureSubImage3D.
1944 case GL_TEXTURE_CUBE_MAP
:
1950 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1958 * Helper function to determine if a texture object is mutable (in terms
1959 * of GL_ARB_texture_storage).
1962 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1964 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1968 return !texObj
->Immutable
;
1973 * Return expected size of a compressed texture.
1976 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1979 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1980 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1984 * Verify that a texture format is valid with a particular target
1986 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1987 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1990 * \param ctx GL context
1991 * \param target Texture target
1992 * \param internalFormat Internal format of the texture image
1993 * \param dimensions Dimensionality at the caller. This is \b not used
1994 * in the validation. It is only used when logging
1996 * \param caller Base name of the calling function (e.g.,
1997 * "glTexImage" or "glTexStorage").
1999 * \returns true if the combination is legal, false otherwise.
2002 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
2003 GLenum target
, GLenum internalFormat
,
2004 unsigned dimensions
,
2007 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
2008 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
2009 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
2010 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
2011 * Profile spec says:
2013 * "Textures with a base internal format of DEPTH_COMPONENT or
2014 * DEPTH_STENCIL are supported by texture image specification
2015 * commands only if target is TEXTURE_1D, TEXTURE_2D,
2016 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
2017 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
2018 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
2019 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
2020 * formats in conjunction with any other target will result in an
2021 * INVALID_OPERATION error."
2023 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
2024 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
2026 if (target
!= GL_TEXTURE_1D
&&
2027 target
!= GL_PROXY_TEXTURE_1D
&&
2028 target
!= GL_TEXTURE_2D
&&
2029 target
!= GL_PROXY_TEXTURE_2D
&&
2030 target
!= GL_TEXTURE_1D_ARRAY
&&
2031 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
2032 target
!= GL_TEXTURE_2D_ARRAY
&&
2033 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
2034 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
2035 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
2036 !((_mesa_is_cube_face(target
) ||
2037 target
== GL_TEXTURE_CUBE_MAP
||
2038 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
2039 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
2040 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
2041 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
2042 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
2043 ctx
->Extensions
.ARB_texture_cube_map_array
)) {
2044 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2045 "%s%dD(bad target for depth texture)",
2046 caller
, dimensions
);
2055 texture_formats_agree(GLenum internalFormat
,
2058 GLboolean colorFormat
;
2059 GLboolean is_format_depth_or_depthstencil
;
2060 GLboolean is_internalFormat_depth_or_depthstencil
;
2062 /* Even though there are no color-index textures, we still have to support
2063 * uploading color-index data and remapping it to RGB via the
2064 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
2066 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
2068 is_internalFormat_depth_or_depthstencil
=
2069 _mesa_is_depth_format(internalFormat
) ||
2070 _mesa_is_depthstencil_format(internalFormat
);
2072 is_format_depth_or_depthstencil
=
2073 _mesa_is_depth_format(format
) ||
2074 _mesa_is_depthstencil_format(format
);
2076 colorFormat
= _mesa_is_color_format(format
);
2078 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
2081 if (is_internalFormat_depth_or_depthstencil
!=
2082 is_format_depth_or_depthstencil
)
2085 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
2092 * Test the glTexImage[123]D() parameters for errors.
2094 * \param ctx GL context.
2095 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2096 * \param target texture target given by the user (already validated).
2097 * \param level image level given by the user.
2098 * \param internalFormat internal format given by the user.
2099 * \param format pixel data format given by the user.
2100 * \param type pixel data type given by the user.
2101 * \param width image width given by the user.
2102 * \param height image height given by the user.
2103 * \param depth image depth given by the user.
2104 * \param border image border given by the user.
2106 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2108 * Verifies each of the parameters against the constants specified in
2109 * __struct gl_contextRec::Const and the supported extensions, and according
2110 * to the OpenGL specification.
2111 * Note that we don't fully error-check the width, height, depth values
2112 * here. That's done in _mesa_legal_texture_dimensions() which is used
2113 * by several other GL entrypoints. Plus, texture dims have a special
2114 * interaction with proxy textures.
2117 texture_error_check( struct gl_context
*ctx
,
2118 GLuint dimensions
, GLenum target
,
2119 GLint level
, GLint internalFormat
,
2120 GLenum format
, GLenum type
,
2121 GLint width
, GLint height
,
2122 GLint depth
, GLint border
,
2123 const GLvoid
*pixels
)
2127 /* Note: for proxy textures, some error conditions immediately generate
2128 * a GL error in the usual way. But others do not generate a GL error.
2129 * Instead, they cause the width, height, depth, format fields of the
2130 * texture image to be zeroed-out. The GL spec seems to indicate that the
2131 * zero-out behaviour is only used in cases related to memory allocation.
2135 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2136 _mesa_error(ctx
, GL_INVALID_VALUE
,
2137 "glTexImage%dD(level=%d)", dimensions
, level
);
2142 if (border
< 0 || border
> 1 ||
2143 ((ctx
->API
!= API_OPENGL_COMPAT
||
2144 target
== GL_TEXTURE_RECTANGLE_NV
||
2145 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2146 _mesa_error(ctx
, GL_INVALID_VALUE
,
2147 "glTexImage%dD(border=%d)", dimensions
, border
);
2151 if (width
< 0 || height
< 0 || depth
< 0) {
2152 _mesa_error(ctx
, GL_INVALID_VALUE
,
2153 "glTexImage%dD(width, height or depth < 0)", dimensions
);
2157 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2158 * combinations of format, internalFormat, and type that can be used.
2159 * Formats and types that require additional extensions (e.g., GL_FLOAT
2160 * requires GL_OES_texture_float) are filtered elsewhere.
2163 if (_mesa_is_gles(ctx
)) {
2164 if (_mesa_is_gles3(ctx
)) {
2165 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
2168 if (format
!= internalFormat
) {
2169 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2170 "glTexImage%dD(format = %s, internalFormat = %s)",
2172 _mesa_enum_to_string(format
),
2173 _mesa_enum_to_string(internalFormat
));
2177 err
= _mesa_es_error_check_format_and_type(format
, type
, dimensions
);
2179 if (err
!= GL_NO_ERROR
) {
2180 _mesa_error(ctx
, err
,
2181 "glTexImage%dD(format = %s, type = %s, internalFormat = %s)",
2183 _mesa_enum_to_string(format
),
2184 _mesa_enum_to_string(type
),
2185 _mesa_enum_to_string(internalFormat
));
2190 /* Check internalFormat */
2191 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2192 _mesa_error(ctx
, GL_INVALID_VALUE
,
2193 "glTexImage%dD(internalFormat=%s)",
2194 dimensions
, _mesa_enum_to_string(internalFormat
));
2198 /* Check incoming image format and type */
2199 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2200 if (err
!= GL_NO_ERROR
) {
2201 _mesa_error(ctx
, err
,
2202 "glTexImage%dD(incompatible format = %s, type = %s)",
2203 dimensions
, _mesa_enum_to_string(format
),
2204 _mesa_enum_to_string(type
));
2208 /* validate the bound PBO, if any */
2209 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2210 width
, height
, depth
, format
, type
,
2211 INT_MAX
, pixels
, "glTexImage")) {
2215 /* make sure internal format and format basically agree */
2216 if (!texture_formats_agree(internalFormat
, format
)) {
2217 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2218 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
2219 dimensions
, _mesa_enum_to_string(internalFormat
),
2220 _mesa_enum_to_string(format
));
2224 /* additional checks for ycbcr textures */
2225 if (internalFormat
== GL_YCBCR_MESA
) {
2226 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
2227 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
2228 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
2230 _mesa_snprintf(message
, sizeof(message
),
2231 "glTexImage%dD(format/type YCBCR mismatch)",
2233 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
2234 return GL_TRUE
; /* error */
2236 if (target
!= GL_TEXTURE_2D
&&
2237 target
!= GL_PROXY_TEXTURE_2D
&&
2238 target
!= GL_TEXTURE_RECTANGLE_NV
&&
2239 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
2240 _mesa_error(ctx
, GL_INVALID_ENUM
,
2241 "glTexImage%dD(bad target for YCbCr texture)",
2247 _mesa_snprintf(message
, sizeof(message
),
2248 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
2249 dimensions
, border
);
2250 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
2255 /* additional checks for depth textures */
2256 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
,
2257 dimensions
, "glTexImage"))
2260 /* additional checks for compressed textures */
2261 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2262 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2263 _mesa_error(ctx
, GL_INVALID_ENUM
,
2264 "glTexImage%dD(target can't be compressed)", dimensions
);
2267 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2268 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2269 "glTexImage%dD(no compression for format)", dimensions
);
2273 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2274 "glTexImage%dD(border!=0)", dimensions
);
2279 /* additional checks for integer textures */
2280 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
2281 (_mesa_is_enum_format_integer(format
) !=
2282 _mesa_is_enum_format_integer(internalFormat
))) {
2283 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2284 "glTexImage%dD(integer/non-integer format mismatch)",
2289 if (!mutable_tex_object(ctx
, target
)) {
2290 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2291 "glTexImage%dD(immutable texture)", dimensions
);
2295 /* if we get here, the parameters are OK */
2301 * Error checking for glCompressedTexImage[123]D().
2302 * Note that the width, height and depth values are not fully error checked
2304 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2307 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2308 GLenum target
, GLint level
,
2309 GLenum internalFormat
, GLsizei width
,
2310 GLsizei height
, GLsizei depth
, GLint border
,
2311 GLsizei imageSize
, const GLvoid
*data
)
2313 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2315 GLenum error
= GL_NO_ERROR
;
2316 char *reason
= ""; /* no error */
2318 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2320 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
2322 * "The ETC2/EAC texture compression algorithm supports only
2323 * two-dimensional images. If internalformat is an ETC2/EAC format,
2324 * CompressedTexImage3D will generate an INVALID_OPERATION error if
2325 * target is not TEXTURE_2D_ARRAY."
2327 error
= _mesa_is_desktop_gl(ctx
) ? GL_INVALID_ENUM
: GL_INVALID_OPERATION
;
2331 /* This will detect any invalid internalFormat value */
2332 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2333 _mesa_error(ctx
, GL_INVALID_ENUM
,
2334 "glCompressedTexImage%dD(internalFormat=%s)",
2335 dimensions
, _mesa_enum_to_string(internalFormat
));
2339 /* validate the bound PBO, if any */
2340 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2342 "glCompressedTexImage")) {
2346 switch (internalFormat
) {
2347 case GL_PALETTE4_RGB8_OES
:
2348 case GL_PALETTE4_RGBA8_OES
:
2349 case GL_PALETTE4_R5_G6_B5_OES
:
2350 case GL_PALETTE4_RGBA4_OES
:
2351 case GL_PALETTE4_RGB5_A1_OES
:
2352 case GL_PALETTE8_RGB8_OES
:
2353 case GL_PALETTE8_RGBA8_OES
:
2354 case GL_PALETTE8_R5_G6_B5_OES
:
2355 case GL_PALETTE8_RGBA4_OES
:
2356 case GL_PALETTE8_RGB5_A1_OES
:
2357 /* check level (note that level should be zero or less!) */
2358 if (level
> 0 || level
< -maxLevels
) {
2360 error
= GL_INVALID_VALUE
;
2364 if (dimensions
!= 2) {
2365 reason
= "compressed paletted textures must be 2D";
2366 error
= GL_INVALID_OPERATION
;
2370 /* Figure out the expected texture size (in bytes). This will be
2371 * checked against the actual size later.
2373 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2376 /* This is for the benefit of the TestProxyTexImage below. It expects
2377 * level to be non-negative. OES_compressed_paletted_texture uses a
2378 * weird mechanism where the level specified to glCompressedTexImage2D
2379 * is -(n-1) number of levels in the texture, and the data specifies the
2380 * complete mipmap stack. This is done to ensure the palette is the
2381 * same for all levels.
2388 if (level
< 0 || level
>= maxLevels
) {
2390 error
= GL_INVALID_VALUE
;
2394 /* Figure out the expected texture size (in bytes). This will be
2395 * checked against the actual size later.
2397 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2401 /* This should really never fail */
2402 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2403 reason
= "internalFormat";
2404 error
= GL_INVALID_ENUM
;
2408 /* No compressed formats support borders at this time */
2410 reason
= "border != 0";
2411 error
= GL_INVALID_VALUE
;
2415 /* Check for invalid pixel storage modes */
2416 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2418 "glCompressedTexImage")) {
2422 /* check image size in bytes */
2423 if (expectedSize
!= imageSize
) {
2424 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2425 * if <imageSize> is not consistent with the format, dimensions, and
2426 * contents of the specified image.
2428 reason
= "imageSize inconsistant with width/height/format";
2429 error
= GL_INVALID_VALUE
;
2433 if (!mutable_tex_object(ctx
, target
)) {
2434 reason
= "immutable texture";
2435 error
= GL_INVALID_OPERATION
;
2442 /* Note: not all error paths exit through here. */
2443 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2444 dimensions
, reason
);
2451 * Test glTexSubImage[123]D() parameters for errors.
2453 * \param ctx GL context.
2454 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2455 * \param target texture target given by the user (already validated)
2456 * \param level image level given by the user.
2457 * \param xoffset sub-image x offset given by the user.
2458 * \param yoffset sub-image y offset given by the user.
2459 * \param zoffset sub-image z offset given by the user.
2460 * \param format pixel data format given by the user.
2461 * \param type pixel data type given by the user.
2462 * \param width image width given by the user.
2463 * \param height image height given by the user.
2464 * \param depth image depth given by the user.
2466 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2468 * Verifies each of the parameters against the constants specified in
2469 * __struct gl_contextRec::Const and the supported extensions, and according
2470 * to the OpenGL specification.
2473 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2474 struct gl_texture_object
*texObj
,
2475 GLenum target
, GLint level
,
2476 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2477 GLint width
, GLint height
, GLint depth
,
2478 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2479 bool dsa
, const char *callerName
)
2481 struct gl_texture_image
*texImage
;
2485 /* must be out of memory */
2486 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2490 /* check target (proxies not allowed) */
2491 if (!legal_texsubimage_target(ctx
, dimensions
, target
, dsa
)) {
2492 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
2493 callerName
, _mesa_enum_to_string(target
));
2498 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2499 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2503 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2504 * combinations of format and type that can be used. Formats and types
2505 * that require additional extensions (e.g., GL_FLOAT requires
2506 * GL_OES_texture_float) are filtered elsewhere.
2508 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2509 err
= _mesa_es_error_check_format_and_type(format
, type
, dimensions
);
2510 if (err
!= GL_NO_ERROR
) {
2511 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
2512 callerName
, _mesa_enum_to_string(format
),
2513 _mesa_enum_to_string(type
));
2518 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2519 if (err
!= GL_NO_ERROR
) {
2520 _mesa_error(ctx
, err
,
2521 "%s(incompatible format = %s, type = %s)",
2522 callerName
, _mesa_enum_to_string(format
),
2523 _mesa_enum_to_string(type
));
2527 /* validate the bound PBO, if any */
2528 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2529 width
, height
, depth
, format
, type
,
2530 INT_MAX
, pixels
, callerName
)) {
2534 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2536 /* non-existant texture level */
2537 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture image)",
2542 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2543 texImage
, xoffset
, yoffset
, zoffset
,
2544 width
, height
, depth
, callerName
)) {
2548 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2549 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2550 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2551 "%s(no compression for format)", callerName
);
2556 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2557 /* both source and dest must be integer-valued, or neither */
2558 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2559 _mesa_is_enum_format_integer(format
)) {
2560 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2561 "%s(integer/non-integer format mismatch)", callerName
);
2571 * Test glCopyTexImage[12]D() parameters for errors.
2573 * \param ctx GL context.
2574 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2575 * \param target texture target given by the user.
2576 * \param level image level given by the user.
2577 * \param internalFormat internal format given by the user.
2578 * \param width image width given by the user.
2579 * \param height image height given by the user.
2580 * \param border texture border.
2582 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2584 * Verifies each of the parameters against the constants specified in
2585 * __struct gl_contextRec::Const and the supported extensions, and according
2586 * to the OpenGL specification.
2589 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2590 GLenum target
, GLint level
, GLint internalFormat
,
2591 GLint width
, GLint height
, GLint border
)
2594 GLint rb_base_format
;
2595 struct gl_renderbuffer
*rb
;
2596 GLenum rb_internal_format
;
2599 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2600 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2601 dimensions
, _mesa_enum_to_string(target
));
2606 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2607 _mesa_error(ctx
, GL_INVALID_VALUE
,
2608 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2612 /* Check that the source buffer is complete */
2613 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2614 if (ctx
->ReadBuffer
->_Status
== 0) {
2615 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2617 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2618 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2619 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2623 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2624 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2625 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2631 if (border
< 0 || border
> 1 ||
2632 ((ctx
->API
!= API_OPENGL_COMPAT
||
2633 target
== GL_TEXTURE_RECTANGLE_NV
||
2634 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2635 _mesa_error(ctx
, GL_INVALID_VALUE
,
2636 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2640 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2642 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2643 "glCopyTexImage%dD(read buffer)", dimensions
);
2647 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2650 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2651 switch (internalFormat
) {
2656 case GL_LUMINANCE_ALPHA
:
2659 _mesa_error(ctx
, GL_INVALID_VALUE
,
2660 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2661 _mesa_enum_to_string(internalFormat
));
2666 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2667 if (baseFormat
< 0) {
2668 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2669 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2670 _mesa_enum_to_string(internalFormat
));
2674 rb_internal_format
= rb
->InternalFormat
;
2675 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2676 if (_mesa_is_color_format(internalFormat
)) {
2677 if (rb_base_format
< 0) {
2678 _mesa_error(ctx
, GL_INVALID_VALUE
,
2679 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2680 _mesa_enum_to_string(internalFormat
));
2685 if (_mesa_is_gles(ctx
)) {
2687 if (_mesa_base_format_component_count(baseFormat
) >
2688 _mesa_base_format_component_count(rb_base_format
)) {
2691 if (baseFormat
== GL_DEPTH_COMPONENT
||
2692 baseFormat
== GL_DEPTH_STENCIL
||
2693 rb_base_format
== GL_DEPTH_COMPONENT
||
2694 rb_base_format
== GL_DEPTH_STENCIL
||
2695 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2696 baseFormat
== GL_ALPHA
) &&
2697 rb_base_format
!= GL_RGBA
) ||
2698 internalFormat
== GL_RGB9_E5
) {
2701 if (internalFormat
== GL_RGB9_E5
) {
2705 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2706 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2707 _mesa_enum_to_string(internalFormat
));
2712 if (_mesa_is_gles3(ctx
)) {
2713 bool rb_is_srgb
= false;
2714 bool dst_is_srgb
= false;
2716 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2717 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2721 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2725 if (rb_is_srgb
!= dst_is_srgb
) {
2726 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2727 * OpenGLES 3.0.0 spec says:
2729 * "The error INVALID_OPERATION is also generated if the
2730 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2731 * framebuffer attachment corresponding to the read buffer
2732 * is LINEAR (see section 6.1.13) and internalformat is
2733 * one of the sRGB formats described in section 3.8.16, or
2734 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2735 * SRGB and internalformat is not one of the sRGB formats."
2737 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2738 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2742 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2743 * types for SNORM formats. Also, conversion to SNORM formats is not
2744 * allowed by Table 3.2 on Page 110.
2746 if(_mesa_is_enum_format_snorm(internalFormat
)) {
2747 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2748 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2749 _mesa_enum_to_string(internalFormat
));
2754 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2755 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2756 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2760 /* From the EXT_texture_integer spec:
2762 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2763 * if the texture internalformat is an integer format and the read color
2764 * buffer is not an integer format, or if the internalformat is not an
2765 * integer format and the read color buffer is an integer format."
2767 if (_mesa_is_color_format(internalFormat
)) {
2768 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2769 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2770 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2771 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2772 if (is_int
|| is_rbint
) {
2773 if (is_int
!= is_rbint
) {
2774 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2775 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2777 } else if (_mesa_is_gles(ctx
) &&
2778 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2779 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2780 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2781 "glCopyTexImage%dD(signed vs unsigned integer)", dimensions
);
2786 /* From page 138 of OpenGL ES 3.0 spec:
2787 * "The error INVALID_OPERATION is generated if floating-point RGBA
2788 * data is required; if signed integer RGBA data is required and the
2789 * format of the current color buffer is not signed integer; if
2790 * unsigned integer RGBA data is required and the format of the
2791 * current color buffer is not unsigned integer; or if fixed-point
2792 * RGBA data is required and the format of the current color buffer
2793 * is not fixed-point.
2795 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2796 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2797 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2800 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2801 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2802 _mesa_error(ctx
, GL_INVALID_ENUM
,
2803 "glCopyTexImage%dD(target)", dimensions
);
2806 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2807 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2808 "glCopyTexImage%dD(no compression for format)", dimensions
);
2812 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2813 "glCopyTexImage%dD(border!=0)", dimensions
);
2818 if (!mutable_tex_object(ctx
, target
)) {
2819 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2820 "glCopyTexImage%dD(immutable texture)", dimensions
);
2824 /* if we get here, the parameters are OK */
2830 * Test glCopyTexSubImage[12]D() parameters for errors.
2831 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2834 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2835 const struct gl_texture_object
*texObj
,
2836 GLenum target
, GLint level
,
2837 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2838 GLint width
, GLint height
, const char *caller
)
2840 struct gl_texture_image
*texImage
;
2842 /* Check that the source buffer is complete */
2843 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2844 if (ctx
->ReadBuffer
->_Status
== 0) {
2845 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2847 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2848 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2849 "%s(invalid readbuffer)", caller
);
2853 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2854 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2855 "%s(multisample FBO)", caller
);
2861 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2862 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2866 /* Get dest image pointers */
2868 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", caller
);
2872 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2874 /* destination image does not exist */
2875 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2876 "%s(invalid texture image)", caller
);
2880 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2881 xoffset
, yoffset
, zoffset
,
2882 width
, height
, 1, caller
)) {
2886 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2887 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2888 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2889 "%s(no compression for format)", caller
);
2894 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2895 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2899 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2900 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2901 "%s(missing readbuffer, format=0x%x)", caller
,
2902 texImage
->_BaseFormat
);
2906 /* From the EXT_texture_integer spec:
2908 * "INVALID_OPERATION is generated by CopyTexImage* and
2909 * CopyTexSubImage* if the texture internalformat is an integer format
2910 * and the read color buffer is not an integer format, or if the
2911 * internalformat is not an integer format and the read color buffer
2912 * is an integer format."
2914 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2915 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2917 if (_mesa_is_format_integer_color(rb
->Format
) !=
2918 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2919 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2920 "%s(integer vs non-integer)", caller
);
2925 /* if we get here, the parameters are OK */
2930 /** Callback info for walking over FBO hash table */
2933 struct gl_context
*ctx
;
2934 struct gl_texture_object
*texObj
;
2940 * Check render to texture callback. Called from _mesa_HashWalk().
2943 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2945 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2946 const struct cb_info
*info
= (struct cb_info
*) userData
;
2947 struct gl_context
*ctx
= info
->ctx
;
2948 const struct gl_texture_object
*texObj
= info
->texObj
;
2949 const GLuint level
= info
->level
, face
= info
->face
;
2951 /* If this is a user-created FBO */
2952 if (_mesa_is_user_fbo(fb
)) {
2954 /* check if any of the FBO's attachments point to 'texObj' */
2955 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2956 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2957 if (att
->Type
== GL_TEXTURE
&&
2958 att
->Texture
== texObj
&&
2959 att
->TextureLevel
== level
&&
2960 att
->CubeMapFace
== face
) {
2961 _mesa_update_texture_renderbuffer(ctx
, ctx
->DrawBuffer
, att
);
2962 assert(att
->Renderbuffer
->TexImage
);
2963 /* Mark fb status as indeterminate to force re-validation */
2972 * When a texture image is specified we have to check if it's bound to
2973 * any framebuffer objects (render to texture) in order to detect changes
2974 * in size or format since that effects FBO completeness.
2975 * Any FBOs rendering into the texture must be re-validated.
2978 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2979 struct gl_texture_object
*texObj
,
2980 GLuint face
, GLuint level
)
2982 /* Only check this texture if it's been marked as RenderToTexture */
2983 if (texObj
->_RenderToTexture
) {
2984 struct cb_info info
;
2986 info
.texObj
= texObj
;
2989 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2995 * If the texture object's GenerateMipmap flag is set and we've
2996 * changed the texture base level image, regenerate the rest of the
2997 * mipmap levels now.
3000 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
3001 struct gl_texture_object
*texObj
, GLint level
)
3003 if (texObj
->GenerateMipmap
&&
3004 level
== texObj
->BaseLevel
&&
3005 level
< texObj
->MaxLevel
) {
3006 assert(ctx
->Driver
.GenerateMipmap
);
3007 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
3012 /** Debug helper: override the user-requested internal format */
3014 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
3017 if (internalFormat
== GL_RGBA16F_ARB
||
3018 internalFormat
== GL_RGBA32F_ARB
) {
3019 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
3022 else if (internalFormat
== GL_RGB16F_ARB
||
3023 internalFormat
== GL_RGB32F_ARB
) {
3024 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
3027 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
3028 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
3029 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3030 return GL_LUMINANCE_ALPHA
;
3032 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
3033 internalFormat
== GL_LUMINANCE32F_ARB
) {
3034 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3035 return GL_LUMINANCE
;
3037 else if (internalFormat
== GL_ALPHA16F_ARB
||
3038 internalFormat
== GL_ALPHA32F_ARB
) {
3039 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3043 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
3044 internalFormat = GL_RGBA;
3048 return internalFormat
;
3051 return internalFormat
;
3057 * Choose the actual hardware format for a texture image.
3058 * Try to use the same format as the previous image level when possible.
3059 * Otherwise, ask the driver for the best format.
3060 * It's important to try to choose a consistant format for all levels
3061 * for efficient texture memory layout/allocation. In particular, this
3062 * comes up during automatic mipmap generation.
3065 _mesa_choose_texture_format(struct gl_context
*ctx
,
3066 struct gl_texture_object
*texObj
,
3067 GLenum target
, GLint level
,
3068 GLenum internalFormat
, GLenum format
, GLenum type
)
3072 /* see if we've already chosen a format for the previous level */
3074 struct gl_texture_image
*prevImage
=
3075 _mesa_select_tex_image(texObj
, target
, level
- 1);
3076 /* See if the prev level is defined and has an internal format which
3077 * matches the new internal format.
3080 prevImage
->Width
> 0 &&
3081 prevImage
->InternalFormat
== internalFormat
) {
3082 /* use the same format */
3083 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
3084 return prevImage
->TexFormat
;
3088 /* If the application requested compression to an S3TC format but we don't
3089 * have the DXTn library, force a generic compressed format instead.
3091 if (internalFormat
!= format
&& format
!= GL_NONE
) {
3092 const GLenum before
= internalFormat
;
3094 switch (internalFormat
) {
3095 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
3096 if (!ctx
->Mesa_DXTn
)
3097 internalFormat
= GL_COMPRESSED_RGB
;
3099 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
3100 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
3101 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
3102 if (!ctx
->Mesa_DXTn
)
3103 internalFormat
= GL_COMPRESSED_RGBA
;
3109 if (before
!= internalFormat
) {
3111 "DXT compression requested (%s), "
3112 "but libtxc_dxtn library not installed. Using %s "
3114 _mesa_enum_to_string(before
),
3115 _mesa_enum_to_string(internalFormat
));
3119 /* choose format from scratch */
3120 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
3122 assert(f
!= MESA_FORMAT_NONE
);
3128 * Adjust pixel unpack params and image dimensions to strip off the
3129 * one-pixel texture border.
3131 * Gallium and intel don't support texture borders. They've seldem been used
3132 * and seldom been implemented correctly anyway.
3134 * \param unpackNew returns the new pixel unpack parameters
3137 strip_texture_border(GLenum target
,
3138 GLint
*width
, GLint
*height
, GLint
*depth
,
3139 const struct gl_pixelstore_attrib
*unpack
,
3140 struct gl_pixelstore_attrib
*unpackNew
)
3146 *unpackNew
= *unpack
;
3148 if (unpackNew
->RowLength
== 0)
3149 unpackNew
->RowLength
= *width
;
3151 if (unpackNew
->ImageHeight
== 0)
3152 unpackNew
->ImageHeight
= *height
;
3154 assert(*width
>= 3);
3155 unpackNew
->SkipPixels
++; /* skip the border */
3156 *width
= *width
- 2; /* reduce the width by two border pixels */
3158 /* The min height of a texture with a border is 3 */
3159 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
3160 unpackNew
->SkipRows
++; /* skip the border */
3161 *height
= *height
- 2; /* reduce the height by two border pixels */
3165 target
!= GL_TEXTURE_2D_ARRAY
&&
3166 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
3167 unpackNew
->SkipImages
++; /* skip the border */
3168 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
3174 * Common code to implement all the glTexImage1D/2D/3D functions
3175 * as well as glCompressedTexImage1D/2D/3D.
3176 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
3177 * \param format the user's image format (only used if !compressed)
3178 * \param type the user's image type (only used if !compressed)
3179 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
3182 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3183 GLenum target
, GLint level
, GLint internalFormat
,
3184 GLsizei width
, GLsizei height
, GLsizei depth
,
3185 GLint border
, GLenum format
, GLenum type
,
3186 GLsizei imageSize
, const GLvoid
*pixels
)
3188 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
3189 struct gl_pixelstore_attrib unpack_no_border
;
3190 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
3191 struct gl_texture_object
*texObj
;
3192 mesa_format texFormat
;
3193 GLboolean dimensionsOK
, sizeOK
;
3195 FLUSH_VERTICES(ctx
, 0);
3197 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
3200 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
3202 _mesa_enum_to_string(target
), level
,
3203 _mesa_enum_to_string(internalFormat
),
3204 width
, height
, depth
, border
, pixels
);
3207 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
3209 _mesa_enum_to_string(target
), level
,
3210 _mesa_enum_to_string(internalFormat
),
3211 width
, height
, depth
, border
,
3212 _mesa_enum_to_string(format
),
3213 _mesa_enum_to_string(type
), pixels
);
3216 internalFormat
= override_internal_format(internalFormat
, width
, height
);
3218 /* target error checking */
3219 if (!legal_teximage_target(ctx
, dims
, target
)) {
3220 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
3221 func
, dims
, _mesa_enum_to_string(target
));
3225 /* general error checking */
3227 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
3229 width
, height
, depth
,
3230 border
, imageSize
, pixels
))
3234 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3235 format
, type
, width
, height
, depth
, border
,
3240 /* Here we convert a cpal compressed image into a regular glTexImage2D
3241 * call by decompressing the texture. If we really want to support cpal
3242 * textures in any driver this would have to be changed.
3244 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
3245 switch (internalFormat
) {
3246 case GL_PALETTE4_RGB8_OES
:
3247 case GL_PALETTE4_RGBA8_OES
:
3248 case GL_PALETTE4_R5_G6_B5_OES
:
3249 case GL_PALETTE4_RGBA4_OES
:
3250 case GL_PALETTE4_RGB5_A1_OES
:
3251 case GL_PALETTE8_RGB8_OES
:
3252 case GL_PALETTE8_RGBA8_OES
:
3253 case GL_PALETTE8_R5_G6_B5_OES
:
3254 case GL_PALETTE8_RGBA4_OES
:
3255 case GL_PALETTE8_RGB5_A1_OES
:
3256 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
3257 width
, height
, imageSize
, pixels
);
3262 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3266 /* For glCompressedTexImage() the driver has no choice about the
3267 * texture format since we'll never transcode the user's compressed
3268 * image data. The internalFormat was error checked earlier.
3270 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
3273 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3274 * internal floating point format for the given base format.
3276 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
3277 if (type
== GL_FLOAT
) {
3278 texObj
->_IsFloat
= GL_TRUE
;
3279 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
3280 texObj
->_IsHalfFloat
= GL_TRUE
;
3283 internalFormat
= adjust_for_oes_float_texture(format
, type
);
3286 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3287 internalFormat
, format
, type
);
3290 assert(texFormat
!= MESA_FORMAT_NONE
);
3292 /* check that width, height, depth are legal for the mipmap level */
3293 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3294 height
, depth
, border
);
3296 /* check that the texture won't take too much memory, etc */
3297 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3299 width
, height
, depth
, border
);
3301 if (_mesa_is_proxy_texture(target
)) {
3302 /* Proxy texture: just clear or set state depending on error checking */
3303 struct gl_texture_image
*texImage
=
3304 get_proxy_tex_image(ctx
, target
, level
);
3307 return; /* GL_OUT_OF_MEMORY already recorded */
3309 if (dimensionsOK
&& sizeOK
) {
3310 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3311 border
, internalFormat
, texFormat
);
3314 clear_teximage_fields(texImage
);
3318 /* non-proxy target */
3319 const GLuint face
= _mesa_tex_target_to_face(target
);
3320 struct gl_texture_image
*texImage
;
3322 if (!dimensionsOK
) {
3323 _mesa_error(ctx
, GL_INVALID_VALUE
,
3324 "glTexImage%uD(invalid width or height or depth)",
3330 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3331 "glTexImage%uD(image too large: %d x %d x %d, %s format)",
3332 dims
, width
, height
, depth
,
3333 _mesa_enum_to_string(internalFormat
));
3337 /* Allow a hardware driver to just strip out the border, to provide
3338 * reliable but slightly incorrect hardware rendering instead of
3339 * rarely-tested software fallback rendering.
3341 if (border
&& ctx
->Const
.StripTextureBorder
) {
3342 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3345 unpack
= &unpack_no_border
;
3348 if (ctx
->NewState
& _NEW_PIXEL
)
3349 _mesa_update_state(ctx
);
3351 _mesa_lock_texture(ctx
, texObj
);
3353 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3356 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3359 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3361 _mesa_init_teximage_fields(ctx
, texImage
,
3362 width
, height
, depth
,
3363 border
, internalFormat
, texFormat
);
3365 /* Give the texture to the driver. <pixels> may be null. */
3366 if (width
> 0 && height
> 0 && depth
> 0) {
3368 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3372 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3373 type
, pixels
, unpack
);
3377 check_gen_mipmap(ctx
, target
, texObj
, level
);
3379 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3381 _mesa_dirty_texobj(ctx
, texObj
);
3384 _mesa_unlock_texture(ctx
, texObj
);
3391 * Called from the API. Note that width includes the border.
3394 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3395 GLsizei width
, GLint border
, GLenum format
,
3396 GLenum type
, const GLvoid
*pixels
)
3398 GET_CURRENT_CONTEXT(ctx
);
3399 teximage(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3400 border
, format
, type
, 0, pixels
);
3405 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3406 GLsizei width
, GLsizei height
, GLint border
,
3407 GLenum format
, GLenum type
,
3408 const GLvoid
*pixels
)
3410 GET_CURRENT_CONTEXT(ctx
);
3411 teximage(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3412 border
, format
, type
, 0, pixels
);
3417 * Called by the API or display list executor.
3418 * Note that width and height include the border.
3421 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3422 GLsizei width
, GLsizei height
, GLsizei depth
,
3423 GLint border
, GLenum format
, GLenum type
,
3424 const GLvoid
*pixels
)
3426 GET_CURRENT_CONTEXT(ctx
);
3427 teximage(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3428 width
, height
, depth
,
3429 border
, format
, type
, 0, pixels
);
3434 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3435 GLsizei width
, GLsizei height
, GLsizei depth
,
3436 GLint border
, GLenum format
, GLenum type
,
3437 const GLvoid
*pixels
)
3439 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3440 depth
, border
, format
, type
, pixels
);
3445 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3447 struct gl_texture_object
*texObj
;
3448 struct gl_texture_image
*texImage
;
3450 GET_CURRENT_CONTEXT(ctx
);
3451 FLUSH_VERTICES(ctx
, 0);
3455 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3457 case GL_TEXTURE_EXTERNAL_OES
:
3459 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3462 valid_target
= false;
3466 if (!valid_target
) {
3467 _mesa_error(ctx
, GL_INVALID_ENUM
,
3468 "glEGLImageTargetTexture2D(target=%d)", target
);
3473 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3474 "glEGLImageTargetTexture2D(image=%p)", image
);
3478 if (ctx
->NewState
& _NEW_PIXEL
)
3479 _mesa_update_state(ctx
);
3481 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3485 _mesa_lock_texture(ctx
, texObj
);
3487 if (texObj
->Immutable
) {
3488 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3489 "glEGLImageTargetTexture2D(texture is immutable)");
3490 _mesa_unlock_texture(ctx
, texObj
);
3494 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3496 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3498 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3500 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3501 texObj
, texImage
, image
);
3503 _mesa_dirty_texobj(ctx
, texObj
);
3505 _mesa_unlock_texture(ctx
, texObj
);
3511 * Helper that implements the glTexSubImage1/2/3D()
3512 * and glTextureSubImage1/2/3D() functions.
3515 _mesa_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3516 struct gl_texture_object
*texObj
,
3517 struct gl_texture_image
*texImage
,
3518 GLenum target
, GLint level
,
3519 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3520 GLsizei width
, GLsizei height
, GLsizei depth
,
3521 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3524 FLUSH_VERTICES(ctx
, 0);
3526 /* check target (proxies not allowed) */
3527 if (!legal_texsubimage_target(ctx
, dims
, target
, dsa
)) {
3528 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sSubImage%uD(target=%s)",
3530 dims
, _mesa_enum_to_string(target
));
3534 if (ctx
->NewState
& _NEW_PIXEL
)
3535 _mesa_update_state(ctx
);
3537 _mesa_lock_texture(ctx
, texObj
);
3539 if (width
> 0 && height
> 0 && depth
> 0) {
3540 /* If we have a border, offset=-1 is legal. Bias by border width. */
3543 if (target
!= GL_TEXTURE_2D_ARRAY
)
3544 zoffset
+= texImage
->Border
;
3547 if (target
!= GL_TEXTURE_1D_ARRAY
)
3548 yoffset
+= texImage
->Border
;
3551 xoffset
+= texImage
->Border
;
3554 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3555 xoffset
, yoffset
, zoffset
,
3556 width
, height
, depth
,
3557 format
, type
, pixels
, &ctx
->Unpack
);
3559 check_gen_mipmap(ctx
, target
, texObj
, level
);
3561 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
3562 * the texel data, not the texture format, size, etc.
3566 _mesa_unlock_texture(ctx
, texObj
);
3570 * Implement all the glTexSubImage1/2/3D() functions.
3571 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3574 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3575 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3576 GLsizei width
, GLsizei height
, GLsizei depth
,
3577 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3578 const char *callerName
)
3580 struct gl_texture_object
*texObj
;
3581 struct gl_texture_image
*texImage
;
3583 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3587 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3588 xoffset
, yoffset
, zoffset
,
3589 width
, height
, depth
, format
, type
,
3590 pixels
, false, callerName
)) {
3591 return; /* error was detected */
3594 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3595 /* texsubimage_error_check ensures that texImage is not NULL */
3597 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3598 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3600 _mesa_enum_to_string(target
), level
,
3601 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3602 _mesa_enum_to_string(format
),
3603 _mesa_enum_to_string(type
), pixels
);
3605 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3606 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3607 format
, type
, pixels
, false);
3612 * Implement all the glTextureSubImage1/2/3D() functions.
3613 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3616 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3617 GLuint texture
, GLint level
,
3618 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3619 GLsizei width
, GLsizei height
, GLsizei depth
,
3620 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3621 const char *callerName
)
3623 struct gl_texture_object
*texObj
;
3624 struct gl_texture_image
*texImage
;
3627 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3629 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3630 dims
, texture
, level
,
3631 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3632 _mesa_enum_to_string(format
),
3633 _mesa_enum_to_string(type
), pixels
);
3635 /* Get the texture object by Name. */
3636 texObj
= _mesa_lookup_texture(ctx
, texture
);
3638 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureSubImage%uD(texture)",
3643 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3644 xoffset
, yoffset
, zoffset
,
3645 width
, height
, depth
, format
, type
,
3646 pixels
, true, callerName
)) {
3647 return; /* error was detected */
3651 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3652 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3656 * What do we do if the user created a texture with the following code
3657 * and then called this function with its handle?
3660 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3661 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3662 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3663 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3664 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3665 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3666 * // wrong format, or given the wrong size, etc.
3667 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3668 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3670 * A bug has been filed against the spec for this case. In the
3671 * meantime, we will check for cube completeness.
3673 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3674 * Core Profile spec (30.10.2014):
3675 * "[A] cube map texture is cube complete if the
3676 * following conditions all hold true: The [base level] texture
3677 * images of each of the six cube map faces have identical, positive,
3678 * and square dimensions. The [base level] images were each specified
3679 * with the same internal format."
3681 * It seems reasonable to check for cube completeness of an arbitrary
3682 * level here so that the image data has a consistent format and size.
3684 if (!_mesa_cube_level_complete(texObj
, level
)) {
3685 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3686 "glTextureSubImage%uD(cube map incomplete)",
3691 rowStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3693 /* Copy in each face. */
3694 for (i
= 0; i
< 6; ++i
) {
3695 texImage
= texObj
->Image
[i
][level
];
3698 _mesa_texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3699 level
, xoffset
, yoffset
, zoffset
,
3700 width
, height
, 1, format
,
3701 type
, pixels
, true);
3702 pixels
= (GLubyte
*) pixels
+ rowStride
;
3706 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3709 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3710 level
, xoffset
, yoffset
, zoffset
,
3711 width
, height
, depth
, format
,
3712 type
, pixels
, true);
3718 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3719 GLint xoffset
, GLsizei width
,
3720 GLenum format
, GLenum type
,
3721 const GLvoid
*pixels
)
3723 GET_CURRENT_CONTEXT(ctx
);
3724 texsubimage(ctx
, 1, target
, level
,
3727 format
, type
, pixels
, "glTexSubImage1D");
3732 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3733 GLint xoffset
, GLint yoffset
,
3734 GLsizei width
, GLsizei height
,
3735 GLenum format
, GLenum type
,
3736 const GLvoid
*pixels
)
3738 GET_CURRENT_CONTEXT(ctx
);
3739 texsubimage(ctx
, 2, target
, level
,
3740 xoffset
, yoffset
, 0,
3742 format
, type
, pixels
, "glTexSubImage2D");
3748 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3749 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3750 GLsizei width
, GLsizei height
, GLsizei depth
,
3751 GLenum format
, GLenum type
,
3752 const GLvoid
*pixels
)
3754 GET_CURRENT_CONTEXT(ctx
);
3755 texsubimage(ctx
, 3, target
, level
,
3756 xoffset
, yoffset
, zoffset
,
3757 width
, height
, depth
,
3758 format
, type
, pixels
, "glTexSubImage3D");
3762 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3763 GLint xoffset
, GLsizei width
,
3764 GLenum format
, GLenum type
,
3765 const GLvoid
*pixels
)
3767 GET_CURRENT_CONTEXT(ctx
);
3768 texturesubimage(ctx
, 1, texture
, level
,
3771 format
, type
, pixels
, "glTextureSubImage1D");
3776 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3777 GLint xoffset
, GLint yoffset
,
3778 GLsizei width
, GLsizei height
,
3779 GLenum format
, GLenum type
,
3780 const GLvoid
*pixels
)
3782 GET_CURRENT_CONTEXT(ctx
);
3783 texturesubimage(ctx
, 2, texture
, level
,
3784 xoffset
, yoffset
, 0,
3786 format
, type
, pixels
, "glTextureSubImage2D");
3791 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3792 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3793 GLsizei width
, GLsizei height
, GLsizei depth
,
3794 GLenum format
, GLenum type
,
3795 const GLvoid
*pixels
)
3797 GET_CURRENT_CONTEXT(ctx
);
3798 texturesubimage(ctx
, 3, texture
, level
,
3799 xoffset
, yoffset
, zoffset
,
3800 width
, height
, depth
,
3801 format
, type
, pixels
, "glTextureSubImage3D");
3806 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3807 * from. This depends on whether the texture contains color or depth values.
3809 static struct gl_renderbuffer
*
3810 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3812 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3813 /* reading from depth/stencil buffer */
3814 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3817 /* copying from color buffer */
3818 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3823 copytexsubimage_by_slice(struct gl_context
*ctx
,
3824 struct gl_texture_image
*texImage
,
3826 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3827 struct gl_renderbuffer
*rb
,
3829 GLsizei width
, GLsizei height
)
3831 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3834 /* For 1D arrays, we copy each scanline of the source rectangle into the
3837 assert(zoffset
== 0);
3839 for (slice
= 0; slice
< height
; slice
++) {
3840 assert(yoffset
+ slice
< texImage
->Height
);
3841 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3842 xoffset
, 0, yoffset
+ slice
,
3843 rb
, x
, y
+ slice
, width
, 1);
3846 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3847 xoffset
, yoffset
, zoffset
,
3848 rb
, x
, y
, width
, height
);
3853 formats_differ_in_component_sizes (mesa_format f1
,
3856 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3857 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3858 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3859 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3861 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3862 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3863 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3864 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3866 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3867 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3868 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3869 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3876 * Implement the glCopyTexImage1/2D() functions.
3879 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3880 GLenum target
, GLint level
, GLenum internalFormat
,
3881 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
)
3883 struct gl_texture_object
*texObj
;
3884 struct gl_texture_image
*texImage
;
3885 const GLuint face
= _mesa_tex_target_to_face(target
);
3886 mesa_format texFormat
;
3887 struct gl_renderbuffer
*rb
;
3889 FLUSH_VERTICES(ctx
, 0);
3891 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3892 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3894 _mesa_enum_to_string(target
), level
,
3895 _mesa_enum_to_string(internalFormat
),
3896 x
, y
, width
, height
, border
);
3898 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3899 _mesa_update_state(ctx
);
3901 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3902 width
, height
, border
))
3905 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3907 _mesa_error(ctx
, GL_INVALID_VALUE
,
3908 "glCopyTexImage%uD(invalid width or height)", dims
);
3912 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3915 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3916 internalFormat
, GL_NONE
, GL_NONE
);
3918 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3920 if (_mesa_is_gles3(ctx
)) {
3921 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3922 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3923 * OpenGL ES 3.0. Khronos bug# 9807.
3925 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3926 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3927 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer and"
3928 " writing to unsized internal format)", dims
);
3932 /* From Page 139 of OpenGL ES 3.0 spec:
3933 * "If internalformat is sized, the internal format of the new texel
3934 * array is internalformat, and this is also the new texel array’s
3935 * effective internal format. If the component sizes of internalformat
3936 * do not exactly match the corresponding component sizes of the source
3937 * buffer’s effective internal format, described below, an
3938 * INVALID_OPERATION error is generated. If internalformat is unsized,
3939 * the internal format of the new texel array is the effective internal
3940 * format of the source buffer, and this is also the new texel array’s
3941 * effective internal format.
3943 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3944 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3945 "glCopyTexImage%uD(componenet size changed in"
3946 " internal format)", dims
);
3951 assert(texFormat
!= MESA_FORMAT_NONE
);
3953 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3955 width
, height
, 1, border
)) {
3956 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3957 "glCopyTexImage%uD(image too large)", dims
);
3961 if (border
&& ctx
->Const
.StripTextureBorder
) {
3963 width
-= border
* 2;
3966 height
-= border
* 2;
3971 _mesa_lock_texture(ctx
, texObj
);
3973 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3976 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
3979 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
3981 /* Free old texture image */
3982 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3984 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
3985 border
, internalFormat
, texFormat
);
3987 if (width
&& height
) {
3988 /* Allocate texture memory (no pixel data yet) */
3989 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
3991 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
3993 struct gl_renderbuffer
*srcRb
=
3994 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3996 copytexsubimage_by_slice(ctx
, texImage
, dims
,
3998 srcRb
, srcX
, srcY
, width
, height
);
4001 check_gen_mipmap(ctx
, target
, texObj
, level
);
4004 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4006 _mesa_dirty_texobj(ctx
, texObj
);
4009 _mesa_unlock_texture(ctx
, texObj
);
4015 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4016 GLenum internalFormat
,
4018 GLsizei width
, GLint border
)
4020 GET_CURRENT_CONTEXT(ctx
);
4021 copyteximage(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1, border
);
4027 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4028 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4031 GET_CURRENT_CONTEXT(ctx
);
4032 copyteximage(ctx
, 2, target
, level
, internalFormat
,
4033 x
, y
, width
, height
, border
);
4037 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
4040 _mesa_copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4041 struct gl_texture_object
*texObj
,
4042 GLenum target
, GLint level
,
4043 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4045 GLsizei width
, GLsizei height
,
4048 struct gl_texture_image
*texImage
;
4050 FLUSH_VERTICES(ctx
, 0);
4052 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
4053 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
4054 _mesa_enum_to_string(target
),
4055 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
4057 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4058 _mesa_update_state(ctx
);
4060 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
4061 xoffset
, yoffset
, zoffset
,
4062 width
, height
, caller
)) {
4066 _mesa_lock_texture(ctx
, texObj
);
4068 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4070 /* If we have a border, offset=-1 is legal. Bias by border width. */
4073 if (target
!= GL_TEXTURE_2D_ARRAY
)
4074 zoffset
+= texImage
->Border
;
4077 if (target
!= GL_TEXTURE_1D_ARRAY
)
4078 yoffset
+= texImage
->Border
;
4081 xoffset
+= texImage
->Border
;
4084 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
4086 struct gl_renderbuffer
*srcRb
=
4087 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4089 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4090 xoffset
, yoffset
, zoffset
,
4091 srcRb
, x
, y
, width
, height
);
4093 check_gen_mipmap(ctx
, target
, texObj
, level
);
4095 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4096 * the texel data, not the texture format, size, etc.
4100 _mesa_unlock_texture(ctx
, texObj
);
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 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4125 x
, y
, width
, 1, self
);
4131 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
4132 GLint xoffset
, GLint yoffset
,
4133 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4135 struct gl_texture_object
* texObj
;
4136 const char *self
= "glCopyTexSubImage2D";
4137 GET_CURRENT_CONTEXT(ctx
);
4139 /* Check target (proxies not allowed). Target must be checked prior to
4140 * calling _mesa_get_current_tex_object.
4142 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4143 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4144 _mesa_enum_to_string(target
));
4148 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4152 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, target
, level
,
4153 xoffset
, yoffset
, 0,
4154 x
, y
, width
, height
, self
);
4160 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
4161 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4162 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4164 struct gl_texture_object
* texObj
;
4165 const char *self
= "glCopyTexSubImage3D";
4166 GET_CURRENT_CONTEXT(ctx
);
4168 /* Check target (proxies not allowed). Target must be checked prior to
4169 * calling _mesa_get_current_tex_object.
4171 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4172 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4173 _mesa_enum_to_string(target
));
4177 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4181 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, target
, level
,
4182 xoffset
, yoffset
, zoffset
,
4183 x
, y
, width
, height
, self
);
4187 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4188 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4190 struct gl_texture_object
* texObj
;
4191 const char *self
= "glCopyTextureSubImage1D";
4192 GET_CURRENT_CONTEXT(ctx
);
4194 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4198 /* Check target (proxies not allowed). */
4199 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4200 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4201 _mesa_enum_to_string(texObj
->Target
));
4205 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, texObj
->Target
, level
,
4206 xoffset
, 0, 0, x
, y
, width
, 1, self
);
4210 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4211 GLint xoffset
, GLint yoffset
,
4212 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4214 struct gl_texture_object
* texObj
;
4215 const char *self
= "glCopyTextureSubImage2D";
4216 GET_CURRENT_CONTEXT(ctx
);
4218 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4222 /* Check target (proxies not allowed). */
4223 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4224 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4225 _mesa_enum_to_string(texObj
->Target
));
4229 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, texObj
->Target
, level
,
4230 xoffset
, yoffset
, 0,
4231 x
, y
, width
, height
, self
);
4237 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4238 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4239 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4241 struct gl_texture_object
* texObj
;
4242 const char *self
= "glCopyTextureSubImage3D";
4243 GET_CURRENT_CONTEXT(ctx
);
4245 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4249 /* Check target (proxies not allowed). */
4250 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4251 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4252 _mesa_enum_to_string(texObj
->Target
));
4256 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4257 /* Act like CopyTexSubImage2D */
4258 _mesa_copy_texture_sub_image(ctx
, 2, texObj
,
4259 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4260 level
, xoffset
, yoffset
, 0,
4261 x
, y
, width
, height
, self
);
4264 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, texObj
->Target
, level
,
4265 xoffset
, yoffset
, zoffset
,
4266 x
, y
, width
, height
, self
);
4270 check_clear_tex_image(struct gl_context
*ctx
,
4271 const char *function
,
4272 struct gl_texture_image
*texImage
,
4273 GLenum format
, GLenum type
,
4275 GLubyte
*clearValue
)
4277 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4278 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4279 GLenum internalFormat
= texImage
->InternalFormat
;
4282 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4283 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4284 "%s(buffer texture)", function
);
4288 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4289 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4290 "%s(compressed texture)", function
);
4294 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4295 if (err
!= GL_NO_ERROR
) {
4296 _mesa_error(ctx
, err
,
4297 "%s(incompatible format = %s, type = %s)",
4299 _mesa_enum_to_string(format
),
4300 _mesa_enum_to_string(type
));
4304 /* make sure internal format and format basically agree */
4305 if (!texture_formats_agree(internalFormat
, format
)) {
4306 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4307 "%s(incompatible internalFormat = %s, format = %s)",
4309 _mesa_enum_to_string(internalFormat
),
4310 _mesa_enum_to_string(format
));
4314 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4315 /* both source and dest must be integer-valued, or neither */
4316 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4317 _mesa_is_enum_format_integer(format
)) {
4318 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4319 "%s(integer/non-integer format mismatch)",
4325 if (!_mesa_texstore(ctx
,
4327 texImage
->_BaseFormat
,
4328 texImage
->TexFormat
,
4329 0, /* dstRowStride */
4331 1, 1, 1, /* srcWidth/Height/Depth */
4333 data
? data
: zeroData
,
4334 &ctx
->DefaultPacking
)) {
4335 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4342 static struct gl_texture_object
*
4343 get_tex_obj_for_clear(struct gl_context
*ctx
,
4344 const char *function
,
4347 struct gl_texture_object
*texObj
;
4350 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(zero texture)", function
);
4354 texObj
= _mesa_lookup_texture(ctx
, texture
);
4356 if (texObj
== NULL
) {
4357 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", function
);
4361 if (texObj
->Target
== 0) {
4362 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4370 get_tex_images_for_clear(struct gl_context
*ctx
,
4371 const char *function
,
4372 struct gl_texture_object
*texObj
,
4374 struct gl_texture_image
**texImages
)
4379 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4380 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4384 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4385 for (i
= 0; i
< MAX_FACES
; i
++) {
4386 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ i
;
4388 texImages
[i
] = _mesa_select_tex_image(texObj
, target
, level
);
4389 if (texImages
[i
] == NULL
) {
4390 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4391 "%s(invalid level)", function
);
4399 texImages
[0] = _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4401 if (texImages
[0] == NULL
) {
4402 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4410 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
4411 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4412 GLsizei width
, GLsizei height
, GLsizei depth
,
4413 GLenum format
, GLenum type
, const void *data
)
4415 GET_CURRENT_CONTEXT(ctx
);
4416 struct gl_texture_object
*texObj
;
4417 struct gl_texture_image
*texImages
[MAX_FACES
];
4418 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4420 int minDepth
, maxDepth
;
4422 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4427 _mesa_lock_texture(ctx
, texObj
);
4429 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4430 texObj
, level
, texImages
);
4434 if (numImages
== 1) {
4435 minDepth
= -(int) texImages
[0]->Border
;
4436 maxDepth
= texImages
[0]->Depth
;
4439 maxDepth
= numImages
;
4442 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4443 yoffset
< -(GLint
) texImages
[0]->Border
||
4444 zoffset
< minDepth
||
4448 xoffset
+ width
> texImages
[0]->Width
||
4449 yoffset
+ height
> texImages
[0]->Height
||
4450 zoffset
+ depth
> maxDepth
) {
4451 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4452 "glClearSubTexImage(invalid dimensions)");
4456 if (numImages
== 1) {
4457 if (check_clear_tex_image(ctx
, "glClearTexSubImage",
4459 format
, type
, data
, clearValue
[0])) {
4460 ctx
->Driver
.ClearTexSubImage(ctx
,
4462 xoffset
, yoffset
, zoffset
,
4463 width
, height
, depth
,
4464 data
? clearValue
[0] : NULL
);
4467 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4468 if (!check_clear_tex_image(ctx
, "glClearTexSubImage",
4470 format
, type
, data
, clearValue
[i
]))
4473 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4474 ctx
->Driver
.ClearTexSubImage(ctx
,
4476 xoffset
, yoffset
, 0,
4478 data
? clearValue
[i
] : NULL
);
4483 _mesa_unlock_texture(ctx
, texObj
);
4487 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4488 GLenum format
, GLenum type
, const void *data
)
4490 GET_CURRENT_CONTEXT(ctx
);
4491 struct gl_texture_object
*texObj
;
4492 struct gl_texture_image
*texImages
[MAX_FACES
];
4493 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4496 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4501 _mesa_lock_texture(ctx
, texObj
);
4503 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4504 texObj
, level
, texImages
);
4506 for (i
= 0; i
< numImages
; i
++) {
4507 if (!check_clear_tex_image(ctx
, "glClearTexImage",
4514 for (i
= 0; i
< numImages
; i
++) {
4515 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4516 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4517 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4518 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4519 texImages
[i
]->Width
,
4520 texImages
[i
]->Height
,
4521 texImages
[i
]->Depth
,
4522 data
? clearValue
[i
] : NULL
);
4526 _mesa_unlock_texture(ctx
, texObj
);
4532 /**********************************************************************/
4533 /****** Compressed Textures ******/
4534 /**********************************************************************/
4538 * Target checking for glCompressedTexSubImage[123]D().
4539 * \return GL_TRUE if error, GL_FALSE if no error
4540 * Must come before other error checking so that the texture object can
4541 * be correctly retrieved using _mesa_get_current_tex_object.
4544 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4545 GLint dims
, GLenum format
, bool dsa
,
4550 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4551 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4552 _mesa_enum_to_string(target
));
4560 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4561 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4562 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4563 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4564 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4565 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4569 targetOK
= GL_FALSE
;
4574 targetOK
= (target
== GL_TEXTURE_3D
) ||
4575 (target
== GL_TEXTURE_2D_ARRAY
) ||
4576 (target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ||
4577 (target
== GL_TEXTURE_CUBE_MAP
&& dsa
);
4579 /* OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4581 * "An INVALID_OPERATION error is generated by
4582 * CompressedTex*SubImage3D if the internal format of the texture is
4583 * one of the EAC, ETC2, or RGTC formats and either border is
4584 * non-zero, or the effective target for the texture is not
4585 * TEXTURE_2D_ARRAY."
4586 * Instead of listing all these, just list those which are allowed,
4587 * which is (at this time) only bptc. Otherwise we'd say s3tc (and more)
4588 * are valid here, which they are not, but of course not mentioned by
4591 if (target
!= GL_TEXTURE_2D_ARRAY
&& target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
4594 /* These came from _mesa_is_compressed_format in glformats.c. */
4595 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
4596 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
4597 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
4598 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
4599 invalidformat
= false;
4602 invalidformat
= true;
4604 if (invalidformat
) {
4605 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4606 "%s(invalid target %s for format %s)", caller
,
4607 _mesa_enum_to_string(target
),
4608 _mesa_enum_to_string(format
));
4616 /* no 1D compressed textures at this time */
4617 targetOK
= GL_FALSE
;
4622 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4623 _mesa_enum_to_string(target
));
4631 * Error checking for glCompressedTexSubImage[123]D().
4632 * \return GL_TRUE if error, GL_FALSE if no error
4635 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4636 const struct gl_texture_object
*texObj
,
4637 GLenum target
, GLint level
,
4638 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4639 GLsizei width
, GLsizei height
, GLsizei depth
,
4640 GLenum format
, GLsizei imageSize
,
4641 const GLvoid
*data
, const char *callerName
)
4643 struct gl_texture_image
*texImage
;
4646 /* this will catch any invalid compressed format token */
4647 if (!_mesa_is_compressed_format(ctx
, format
)) {
4648 _mesa_error(ctx
, GL_INVALID_ENUM
,
4649 "%s(format)", callerName
);
4653 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4654 _mesa_error(ctx
, GL_INVALID_VALUE
,
4660 /* validate the bound PBO, if any */
4661 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4662 imageSize
, data
, callerName
)) {
4666 /* Check for invalid pixel storage modes */
4667 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4668 &ctx
->Unpack
, callerName
)) {
4672 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4673 if (expectedSize
!= imageSize
) {
4674 _mesa_error(ctx
, GL_INVALID_VALUE
,
4676 callerName
, imageSize
);
4680 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4682 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4683 "%s(invalid texture image)",
4688 if ((GLint
) format
!= texImage
->InternalFormat
) {
4689 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4691 callerName
, format
);
4695 if (compressedteximage_only_format(ctx
, format
)) {
4696 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4697 "%s(format=0x%x cannot be updated)",
4698 callerName
, format
);
4702 if (error_check_subtexture_dimensions(ctx
, dims
,
4703 texImage
, xoffset
, yoffset
, zoffset
,
4704 width
, height
, depth
,
4714 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4715 GLenum internalFormat
, GLsizei width
,
4716 GLint border
, GLsizei imageSize
,
4719 GET_CURRENT_CONTEXT(ctx
);
4720 teximage(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4721 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4726 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4727 GLenum internalFormat
, GLsizei width
,
4728 GLsizei height
, GLint border
, GLsizei imageSize
,
4731 GET_CURRENT_CONTEXT(ctx
);
4732 teximage(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4733 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4738 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4739 GLenum internalFormat
, GLsizei width
,
4740 GLsizei height
, GLsizei depth
, GLint border
,
4741 GLsizei imageSize
, const GLvoid
*data
)
4743 GET_CURRENT_CONTEXT(ctx
);
4744 teximage(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
,
4745 width
, height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4750 * Common helper for glCompressedTexSubImage1/2/3D() and
4751 * glCompressedTextureSubImage1/2/3D().
4754 _mesa_compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4755 struct gl_texture_object
*texObj
,
4756 struct gl_texture_image
*texImage
,
4757 GLenum target
, GLint level
,
4758 GLint xoffset
, GLint yoffset
,
4760 GLsizei width
, GLsizei height
,
4762 GLenum format
, GLsizei imageSize
,
4765 FLUSH_VERTICES(ctx
, 0);
4767 _mesa_lock_texture(ctx
, texObj
);
4769 if (width
> 0 && height
> 0 && depth
> 0) {
4770 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4771 xoffset
, yoffset
, zoffset
,
4772 width
, height
, depth
,
4773 format
, imageSize
, data
);
4775 check_gen_mipmap(ctx
, target
, texObj
, level
);
4777 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4778 * the texel data, not the texture format, size, etc.
4782 _mesa_unlock_texture(ctx
, texObj
);
4787 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
4788 GLsizei width
, GLenum format
,
4789 GLsizei imageSize
, const GLvoid
*data
)
4791 struct gl_texture_object
*texObj
;
4792 struct gl_texture_image
*texImage
;
4794 GET_CURRENT_CONTEXT(ctx
);
4796 if (compressed_subtexture_target_check(ctx
, target
, 1, format
, false,
4797 "glCompressedTexSubImage1D")) {
4801 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4805 if (compressed_subtexture_error_check(ctx
, 1, texObj
, target
,
4806 level
, xoffset
, 0, 0,
4808 format
, imageSize
, data
,
4809 "glCompressedTexSubImage1D")) {
4813 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4816 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
, target
, level
,
4817 xoffset
, 0, 0, width
, 1, 1,
4818 format
, imageSize
, data
);
4822 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
4823 GLsizei width
, GLenum format
,
4824 GLsizei imageSize
, const GLvoid
*data
)
4826 struct gl_texture_object
*texObj
;
4827 struct gl_texture_image
*texImage
;
4829 GET_CURRENT_CONTEXT(ctx
);
4831 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4832 "glCompressedTextureSubImage1D");
4836 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 1, format
,
4838 "glCompressedTextureSubImage1D")) {
4842 if (compressed_subtexture_error_check(ctx
, 1, texObj
, texObj
->Target
,
4843 level
, xoffset
, 0, 0,
4845 format
, imageSize
, data
,
4846 "glCompressedTextureSubImage1D")) {
4850 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4853 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
,
4854 texObj
->Target
, level
,
4855 xoffset
, 0, 0, width
, 1, 1,
4856 format
, imageSize
, data
);
4861 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
4862 GLint yoffset
, GLsizei width
, GLsizei height
,
4863 GLenum format
, GLsizei imageSize
,
4866 struct gl_texture_object
*texObj
;
4867 struct gl_texture_image
*texImage
;
4869 GET_CURRENT_CONTEXT(ctx
);
4871 if (compressed_subtexture_target_check(ctx
, target
, 2, format
, false,
4872 "glCompressedTexSubImage2D")) {
4876 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4880 if (compressed_subtexture_error_check(ctx
, 2, texObj
, target
,
4881 level
, xoffset
, yoffset
, 0,
4883 format
, imageSize
, data
,
4884 "glCompressedTexSubImage2D")) {
4889 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4892 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
, target
, level
,
4893 xoffset
, yoffset
, 0, width
, height
, 1,
4894 format
, imageSize
, data
);
4898 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
4900 GLsizei width
, GLsizei height
,
4901 GLenum format
, GLsizei imageSize
,
4904 struct gl_texture_object
*texObj
;
4905 struct gl_texture_image
*texImage
;
4907 GET_CURRENT_CONTEXT(ctx
);
4909 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4910 "glCompressedTextureSubImage2D");
4914 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 2, format
,
4916 "glCompressedTextureSubImage2D")) {
4920 if (compressed_subtexture_error_check(ctx
, 2, texObj
, texObj
->Target
,
4921 level
, xoffset
, yoffset
, 0,
4923 format
, imageSize
, data
,
4924 "glCompressedTextureSubImage2D")) {
4928 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4931 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
,
4932 texObj
->Target
, level
,
4933 xoffset
, yoffset
, 0, width
, height
, 1,
4934 format
, imageSize
, data
);
4938 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
4939 GLint yoffset
, GLint zoffset
, GLsizei width
,
4940 GLsizei height
, GLsizei depth
, GLenum format
,
4941 GLsizei imageSize
, const GLvoid
*data
)
4943 struct gl_texture_object
*texObj
;
4944 struct gl_texture_image
*texImage
;
4946 GET_CURRENT_CONTEXT(ctx
);
4948 if (compressed_subtexture_target_check(ctx
, target
, 3, format
, false,
4949 "glCompressedTexSubImage3D")) {
4953 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4957 if (compressed_subtexture_error_check(ctx
, 3, texObj
, target
,
4958 level
, xoffset
, yoffset
, zoffset
,
4959 width
, height
, depth
,
4960 format
, imageSize
, data
,
4961 "glCompressedTexSubImage3D")) {
4966 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4969 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
, target
, level
,
4970 xoffset
, yoffset
, zoffset
,
4971 width
, height
, depth
,
4972 format
, imageSize
, data
);
4976 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
4977 GLint yoffset
, GLint zoffset
, GLsizei width
,
4978 GLsizei height
, GLsizei depth
,
4979 GLenum format
, GLsizei imageSize
,
4982 struct gl_texture_object
*texObj
;
4983 struct gl_texture_image
*texImage
;
4985 GET_CURRENT_CONTEXT(ctx
);
4987 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4988 "glCompressedTextureSubImage3D");
4992 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 3, format
,
4994 "glCompressedTextureSubImage3D")) {
4998 if (compressed_subtexture_error_check(ctx
, 3, texObj
, texObj
->Target
,
4999 level
, xoffset
, yoffset
, zoffset
,
5000 width
, height
, depth
,
5001 format
, imageSize
, data
,
5002 "glCompressedTextureSubImage3D")) {
5006 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5007 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5008 const char *pixels
= data
;
5012 /* Make sure the texture object is a proper cube.
5013 * (See texturesubimage in teximage.c for details on why this check is
5016 if (!_mesa_cube_level_complete(texObj
, level
)) {
5017 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5018 "glCompressedTextureSubImage3D(cube map incomplete)");
5022 /* Copy in each face. */
5023 for (i
= 0; i
< 6; ++i
) {
5024 texImage
= texObj
->Image
[i
][level
];
5027 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5028 texObj
->Target
, level
,
5029 xoffset
, yoffset
, zoffset
,
5031 format
, imageSize
, pixels
);
5033 /* Compressed images don't have a client format */
5034 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5036 texImage
->Height
, 1);
5038 pixels
+= image_stride
;
5039 imageSize
-= image_stride
;
5043 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
5046 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5047 texObj
->Target
, level
,
5048 xoffset
, yoffset
, zoffset
,
5049 width
, height
, depth
,
5050 format
, imageSize
, data
);
5055 get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5057 if (ctx
->API
!= API_OPENGL_CORE
) {
5058 switch (internalFormat
) {
5060 return MESA_FORMAT_A_UNORM8
;
5062 return MESA_FORMAT_A_UNORM16
;
5063 case GL_ALPHA16F_ARB
:
5064 return MESA_FORMAT_A_FLOAT16
;
5065 case GL_ALPHA32F_ARB
:
5066 return MESA_FORMAT_A_FLOAT32
;
5067 case GL_ALPHA8I_EXT
:
5068 return MESA_FORMAT_A_SINT8
;
5069 case GL_ALPHA16I_EXT
:
5070 return MESA_FORMAT_A_SINT16
;
5071 case GL_ALPHA32I_EXT
:
5072 return MESA_FORMAT_A_SINT32
;
5073 case GL_ALPHA8UI_EXT
:
5074 return MESA_FORMAT_A_UINT8
;
5075 case GL_ALPHA16UI_EXT
:
5076 return MESA_FORMAT_A_UINT16
;
5077 case GL_ALPHA32UI_EXT
:
5078 return MESA_FORMAT_A_UINT32
;
5080 return MESA_FORMAT_L_UNORM8
;
5081 case GL_LUMINANCE16
:
5082 return MESA_FORMAT_L_UNORM16
;
5083 case GL_LUMINANCE16F_ARB
:
5084 return MESA_FORMAT_L_FLOAT16
;
5085 case GL_LUMINANCE32F_ARB
:
5086 return MESA_FORMAT_L_FLOAT32
;
5087 case GL_LUMINANCE8I_EXT
:
5088 return MESA_FORMAT_L_SINT8
;
5089 case GL_LUMINANCE16I_EXT
:
5090 return MESA_FORMAT_L_SINT16
;
5091 case GL_LUMINANCE32I_EXT
:
5092 return MESA_FORMAT_L_SINT32
;
5093 case GL_LUMINANCE8UI_EXT
:
5094 return MESA_FORMAT_L_UINT8
;
5095 case GL_LUMINANCE16UI_EXT
:
5096 return MESA_FORMAT_L_UINT16
;
5097 case GL_LUMINANCE32UI_EXT
:
5098 return MESA_FORMAT_L_UINT32
;
5099 case GL_LUMINANCE8_ALPHA8
:
5100 return MESA_FORMAT_L8A8_UNORM
;
5101 case GL_LUMINANCE16_ALPHA16
:
5102 return MESA_FORMAT_L16A16_UNORM
;
5103 case GL_LUMINANCE_ALPHA16F_ARB
:
5104 return MESA_FORMAT_LA_FLOAT16
;
5105 case GL_LUMINANCE_ALPHA32F_ARB
:
5106 return MESA_FORMAT_LA_FLOAT32
;
5107 case GL_LUMINANCE_ALPHA8I_EXT
:
5108 return MESA_FORMAT_LA_SINT8
;
5109 case GL_LUMINANCE_ALPHA16I_EXT
:
5110 return MESA_FORMAT_LA_SINT16
;
5111 case GL_LUMINANCE_ALPHA32I_EXT
:
5112 return MESA_FORMAT_LA_SINT32
;
5113 case GL_LUMINANCE_ALPHA8UI_EXT
:
5114 return MESA_FORMAT_LA_UINT8
;
5115 case GL_LUMINANCE_ALPHA16UI_EXT
:
5116 return MESA_FORMAT_LA_UINT16
;
5117 case GL_LUMINANCE_ALPHA32UI_EXT
:
5118 return MESA_FORMAT_LA_UINT32
;
5120 return MESA_FORMAT_I_UNORM8
;
5121 case GL_INTENSITY16
:
5122 return MESA_FORMAT_I_UNORM16
;
5123 case GL_INTENSITY16F_ARB
:
5124 return MESA_FORMAT_I_FLOAT16
;
5125 case GL_INTENSITY32F_ARB
:
5126 return MESA_FORMAT_I_FLOAT32
;
5127 case GL_INTENSITY8I_EXT
:
5128 return MESA_FORMAT_I_SINT8
;
5129 case GL_INTENSITY16I_EXT
:
5130 return MESA_FORMAT_I_SINT16
;
5131 case GL_INTENSITY32I_EXT
:
5132 return MESA_FORMAT_I_SINT32
;
5133 case GL_INTENSITY8UI_EXT
:
5134 return MESA_FORMAT_I_UINT8
;
5135 case GL_INTENSITY16UI_EXT
:
5136 return MESA_FORMAT_I_UINT16
;
5137 case GL_INTENSITY32UI_EXT
:
5138 return MESA_FORMAT_I_UINT32
;
5144 if (ctx
->API
== API_OPENGL_CORE
&&
5145 ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5146 switch (internalFormat
) {
5148 return MESA_FORMAT_RGB_FLOAT32
;
5150 return MESA_FORMAT_RGB_UINT32
;
5152 return MESA_FORMAT_RGB_SINT32
;
5158 switch (internalFormat
) {
5160 return MESA_FORMAT_R8G8B8A8_UNORM
;
5162 return MESA_FORMAT_RGBA_UNORM16
;
5163 case GL_RGBA16F_ARB
:
5164 return MESA_FORMAT_RGBA_FLOAT16
;
5165 case GL_RGBA32F_ARB
:
5166 return MESA_FORMAT_RGBA_FLOAT32
;
5168 return MESA_FORMAT_RGBA_SINT8
;
5169 case GL_RGBA16I_EXT
:
5170 return MESA_FORMAT_RGBA_SINT16
;
5171 case GL_RGBA32I_EXT
:
5172 return MESA_FORMAT_RGBA_SINT32
;
5173 case GL_RGBA8UI_EXT
:
5174 return MESA_FORMAT_RGBA_UINT8
;
5175 case GL_RGBA16UI_EXT
:
5176 return MESA_FORMAT_RGBA_UINT16
;
5177 case GL_RGBA32UI_EXT
:
5178 return MESA_FORMAT_RGBA_UINT32
;
5181 return MESA_FORMAT_R8G8_UNORM
;
5183 return MESA_FORMAT_R16G16_UNORM
;
5185 return MESA_FORMAT_RG_FLOAT16
;
5187 return MESA_FORMAT_RG_FLOAT32
;
5189 return MESA_FORMAT_RG_SINT8
;
5191 return MESA_FORMAT_RG_SINT16
;
5193 return MESA_FORMAT_RG_SINT32
;
5195 return MESA_FORMAT_RG_UINT8
;
5197 return MESA_FORMAT_RG_UINT16
;
5199 return MESA_FORMAT_RG_UINT32
;
5202 return MESA_FORMAT_R_UNORM8
;
5204 return MESA_FORMAT_R_UNORM16
;
5206 return MESA_FORMAT_R_FLOAT16
;
5208 return MESA_FORMAT_R_FLOAT32
;
5210 return MESA_FORMAT_R_SINT8
;
5212 return MESA_FORMAT_R_SINT16
;
5214 return MESA_FORMAT_R_SINT32
;
5216 return MESA_FORMAT_R_UINT8
;
5218 return MESA_FORMAT_R_UINT16
;
5220 return MESA_FORMAT_R_UINT32
;
5223 return MESA_FORMAT_NONE
;
5229 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5230 GLenum internalFormat
)
5232 mesa_format format
= get_texbuffer_format(ctx
, internalFormat
);
5235 if (format
== MESA_FORMAT_NONE
)
5236 return MESA_FORMAT_NONE
;
5238 datatype
= _mesa_get_format_datatype(format
);
5240 /* The GL_ARB_texture_buffer_object spec says:
5242 * "If ARB_texture_float is not supported, references to the
5243 * floating-point internal formats provided by that extension should be
5244 * removed, and such formats may not be passed to TexBufferARB."
5246 * As a result, GL_HALF_FLOAT internal format depends on both
5247 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5249 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5250 !ctx
->Extensions
.ARB_texture_float
)
5251 return MESA_FORMAT_NONE
;
5253 if (!ctx
->Extensions
.ARB_texture_rg
) {
5254 GLenum base_format
= _mesa_get_format_base_format(format
);
5255 if (base_format
== GL_R
|| base_format
== GL_RG
)
5256 return MESA_FORMAT_NONE
;
5259 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5260 GLenum base_format
= _mesa_get_format_base_format(format
);
5261 if (base_format
== GL_RGB
)
5262 return MESA_FORMAT_NONE
;
5269 _mesa_texture_buffer_range(struct gl_context
*ctx
,
5270 struct gl_texture_object
*texObj
,
5271 GLenum internalFormat
,
5272 struct gl_buffer_object
*bufObj
,
5273 GLintptr offset
, GLsizeiptr size
,
5278 /* NOTE: ARB_texture_buffer_object has interactions with
5279 * the compatibility profile that are not implemented.
5281 if (!(ctx
->API
== API_OPENGL_CORE
&&
5282 ctx
->Extensions
.ARB_texture_buffer_object
)) {
5283 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5284 "%s(ARB_texture_buffer_object is not"
5285 " implemented for the compatibility profile)", caller
);
5289 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5290 if (format
== MESA_FORMAT_NONE
) {
5291 _mesa_error(ctx
, GL_INVALID_ENUM
,
5292 "%s(internalFormat 0x%x)", caller
, internalFormat
);
5296 FLUSH_VERTICES(ctx
, 0);
5298 _mesa_lock_texture(ctx
, texObj
);
5300 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5301 texObj
->BufferObjectFormat
= internalFormat
;
5302 texObj
->_BufferObjectFormat
= format
;
5303 texObj
->BufferOffset
= offset
;
5304 texObj
->BufferSize
= size
;
5306 _mesa_unlock_texture(ctx
, texObj
);
5308 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5311 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5317 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5318 * Return true if it is, and return false if it is not
5319 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5320 * core spec, 02.02.2015, PDF page 245).
5323 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5326 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5327 _mesa_error(ctx
, GL_INVALID_ENUM
,
5328 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5336 * Check for errors related to the texture buffer range.
5337 * Return false if errors are found, true if none are found.
5340 check_texture_buffer_range(struct gl_context
*ctx
,
5341 struct gl_buffer_object
*bufObj
,
5342 GLintptr offset
, GLsizeiptr size
,
5345 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5346 * Textures (PDF page 245):
5347 * "An INVALID_VALUE error is generated if offset is negative, if
5348 * size is less than or equal to zero, or if offset + size is greater
5349 * than the value of BUFFER_SIZE for the buffer bound to target."
5352 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5358 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5363 if (offset
+ size
> bufObj
->Size
) {
5364 _mesa_error(ctx
, GL_INVALID_VALUE
,
5365 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5366 (int) offset
, (int) size
, (int) bufObj
->Size
);
5370 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5371 * Textures (PDF page 245):
5372 * "An INVALID_VALUE error is generated if offset is not an integer
5373 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5375 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5376 _mesa_error(ctx
, GL_INVALID_VALUE
,
5377 "%s(invalid offset alignment)", caller
);
5385 /** GL_ARB_texture_buffer_object */
5387 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5389 struct gl_texture_object
*texObj
;
5390 struct gl_buffer_object
*bufObj
;
5392 GET_CURRENT_CONTEXT(ctx
);
5394 /* Need to catch a bad target before it gets to
5395 * _mesa_get_current_tex_object.
5397 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5401 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5407 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5411 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5412 buffer
? -1 : 0, "glTexBuffer");
5416 /** GL_ARB_texture_buffer_range */
5418 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5419 GLintptr offset
, GLsizeiptr size
)
5421 struct gl_texture_object
*texObj
;
5422 struct gl_buffer_object
*bufObj
;
5424 GET_CURRENT_CONTEXT(ctx
);
5426 /* Need to catch a bad target before it gets to
5427 * _mesa_get_current_tex_object.
5429 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5433 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5437 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5438 "glTexBufferRange"))
5443 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5444 * Textures (PDF page 254):
5445 * "If buffer is zero, then any buffer object attached to the buffer
5446 * texture is detached, the values offset and size are ignored and
5447 * the state for offset and size for the buffer texture are reset to
5455 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5459 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5460 offset
, size
, "glTexBufferRange");
5464 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5466 struct gl_texture_object
*texObj
;
5467 struct gl_buffer_object
*bufObj
;
5469 GET_CURRENT_CONTEXT(ctx
);
5472 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5478 /* Get the texture object by Name. */
5479 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5483 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5486 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5487 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5491 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5492 GLintptr offset
, GLsizeiptr size
)
5494 struct gl_texture_object
*texObj
;
5495 struct gl_buffer_object
*bufObj
;
5497 GET_CURRENT_CONTEXT(ctx
);
5500 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5501 "glTextureBufferRange");
5505 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5506 "glTextureBufferRange"))
5511 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5512 * Textures (PDF page 254):
5513 * "If buffer is zero, then any buffer object attached to the buffer
5514 * texture is detached, the values offset and size are ignored and
5515 * the state for offset and size for the buffer texture are reset to
5523 /* Get the texture object by Name. */
5524 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5528 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5529 "glTextureBufferRange"))
5532 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5533 bufObj
, offset
, size
, "glTextureBufferRange");
5537 is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5539 /* Everything that is allowed for renderbuffers,
5540 * except for a base format of GL_STENCIL_INDEX.
5542 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5543 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5547 /** GL_ARB_texture_multisample */
5549 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5552 case GL_TEXTURE_2D_MULTISAMPLE
:
5554 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5555 return dims
== 2 && !dsa
;
5557 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5559 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5560 return dims
== 3 && !dsa
;
5569 _mesa_texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5570 struct gl_texture_object
*texObj
,
5571 GLenum target
, GLsizei samples
,
5572 GLint internalformat
, GLsizei width
,
5573 GLsizei height
, GLsizei depth
,
5574 GLboolean fixedsamplelocations
,
5575 GLboolean immutable
, const char *func
)
5577 struct gl_texture_image
*texImage
;
5578 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5579 mesa_format texFormat
;
5580 GLenum sample_count_error
;
5581 bool dsa
= strstr(func
, "ture") ? true : false;
5583 if (!(ctx
->Extensions
.ARB_texture_multisample
5584 && _mesa_is_desktop_gl(ctx
))) {
5585 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5589 if (!check_multisample_target(dims
, target
, dsa
)) {
5591 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5595 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5600 /* check that the specified internalformat is color/depth/stencil-renderable;
5601 * refer GL3.1 spec 4.4.4
5604 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5605 _mesa_error(ctx
, GL_INVALID_ENUM
,
5606 "%s(internalformat=%s not legal for immutable-format)",
5607 func
, _mesa_enum_to_string(internalformat
));
5611 if (!is_renderable_texture_format(ctx
, internalformat
)) {
5612 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5613 "%s(internalformat=%s)",
5614 func
, _mesa_enum_to_string(internalformat
));
5618 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5619 internalformat
, samples
);
5620 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5622 /* Page 254 of OpenGL 4.4 spec says:
5623 * "Proxy arrays for two-dimensional multisample and two-dimensional
5624 * multisample array textures are operated on in the same way when
5625 * TexImage2DMultisample is called with target specified as
5626 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5627 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5628 * However, if samples is not supported, then no error is generated.
5630 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5631 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5635 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5636 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5637 "%s(texture object 0)",
5642 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5644 if (texImage
== NULL
) {
5645 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5649 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5650 internalformat
, GL_NONE
, GL_NONE
);
5651 assert(texFormat
!= MESA_FORMAT_NONE
);
5653 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5654 width
, height
, depth
, 0);
5656 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, texFormat
,
5657 width
, height
, depth
, 0);
5659 if (_mesa_is_proxy_texture(target
)) {
5660 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5661 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5662 internalformat
, texFormat
,
5663 samples
, fixedsamplelocations
);
5666 /* clear all image fields */
5667 clear_teximage_fields(texImage
);
5671 if (!dimensionsOK
) {
5672 _mesa_error(ctx
, GL_INVALID_VALUE
,
5673 "%s(invalid width or height)", func
);
5678 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
5679 "%s(texture too large)", func
);
5683 /* Check if texObj->Immutable is set */
5684 if (texObj
->Immutable
) {
5685 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5689 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5691 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5692 internalformat
, texFormat
,
5693 samples
, fixedsamplelocations
);
5695 if (width
> 0 && height
> 0 && depth
> 0) {
5696 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5697 width
, height
, depth
)) {
5698 /* tidy up the texture image state. strictly speaking,
5699 * we're allowed to just leave this in whatever state we
5700 * like, but being tidy is good.
5702 _mesa_init_teximage_fields(ctx
, texImage
,
5703 0, 0, 0, 0, GL_NONE
, MESA_FORMAT_NONE
);
5707 texObj
->Immutable
|= immutable
;
5710 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5713 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5719 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5720 GLenum internalformat
, GLsizei width
,
5721 GLsizei height
, GLboolean fixedsamplelocations
)
5723 struct gl_texture_object
*texObj
;
5724 GET_CURRENT_CONTEXT(ctx
);
5726 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5730 _mesa_texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5731 internalformat
, width
, height
, 1,
5732 fixedsamplelocations
, GL_FALSE
,
5733 "glTexImage2DMultisample");
5738 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5739 GLenum internalformat
, GLsizei width
,
5740 GLsizei height
, GLsizei depth
,
5741 GLboolean fixedsamplelocations
)
5743 struct gl_texture_object
*texObj
;
5744 GET_CURRENT_CONTEXT(ctx
);
5746 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5750 _mesa_texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5751 internalformat
, width
, height
, depth
,
5752 fixedsamplelocations
, GL_FALSE
,
5753 "glTexImage3DMultisample");
5758 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5759 GLenum internalformat
, GLsizei width
,
5760 GLsizei height
, GLboolean fixedsamplelocations
)
5762 struct gl_texture_object
*texObj
;
5763 GET_CURRENT_CONTEXT(ctx
);
5765 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5769 _mesa_texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5770 internalformat
, width
, height
, 1,
5771 fixedsamplelocations
, GL_TRUE
,
5772 "glTexStorage2DMultisample");
5776 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5777 GLenum internalformat
, GLsizei width
,
5778 GLsizei height
, GLsizei depth
,
5779 GLboolean fixedsamplelocations
)
5781 struct gl_texture_object
*texObj
;
5782 GET_CURRENT_CONTEXT(ctx
);
5784 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5788 _mesa_texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5789 internalformat
, width
, height
, depth
,
5790 fixedsamplelocations
, GL_TRUE
,
5791 "glTexStorage3DMultisample");
5795 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5796 GLenum internalformat
, GLsizei width
,
5798 GLboolean fixedsamplelocations
)
5800 struct gl_texture_object
*texObj
;
5801 GET_CURRENT_CONTEXT(ctx
);
5803 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5804 "glTextureStorage2DMultisample");
5808 _mesa_texture_image_multisample(ctx
, 2, texObj
, texObj
->Target
, samples
,
5809 internalformat
, width
, height
, 1,
5810 fixedsamplelocations
, GL_TRUE
,
5811 "glTextureStorage2DMultisample");
5815 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
5816 GLenum internalformat
, GLsizei width
,
5817 GLsizei height
, GLsizei depth
,
5818 GLboolean fixedsamplelocations
)
5820 struct gl_texture_object
*texObj
;
5821 GET_CURRENT_CONTEXT(ctx
);
5823 /* Get the texture object by Name. */
5824 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5825 "glTextureStorage3DMultisample");
5829 _mesa_texture_image_multisample(ctx
, 3, texObj
, texObj
->Target
, samples
,
5830 internalformat
, width
, height
, depth
,
5831 fixedsamplelocations
, GL_TRUE
,
5832 "glTextureStorage3DMultisample");