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
,
1796 (void) intFormat
; /* not used yet */
1800 case GL_PROXY_TEXTURE_2D
:
1801 return GL_TRUE
; /* true for any compressed format so far */
1802 case GL_PROXY_TEXTURE_CUBE_MAP
:
1803 case GL_TEXTURE_CUBE_MAP
:
1804 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1805 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1806 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1807 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1808 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1809 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1810 return ctx
->Extensions
.ARB_texture_cube_map
;
1811 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1812 case GL_TEXTURE_2D_ARRAY_EXT
:
1813 return ctx
->Extensions
.EXT_texture_array
;
1814 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1815 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1816 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1824 * Check if the given texture target value is legal for a
1825 * glTexImage1/2/3D call.
1828 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1834 case GL_PROXY_TEXTURE_1D
:
1835 return _mesa_is_desktop_gl(ctx
);
1843 case GL_PROXY_TEXTURE_2D
:
1844 return _mesa_is_desktop_gl(ctx
);
1845 case GL_PROXY_TEXTURE_CUBE_MAP
:
1846 return _mesa_is_desktop_gl(ctx
)
1847 && ctx
->Extensions
.ARB_texture_cube_map
;
1848 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1849 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1850 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1851 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1852 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1853 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1854 return ctx
->Extensions
.ARB_texture_cube_map
;
1855 case GL_TEXTURE_RECTANGLE_NV
:
1856 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1857 return _mesa_is_desktop_gl(ctx
)
1858 && ctx
->Extensions
.NV_texture_rectangle
;
1859 case GL_TEXTURE_1D_ARRAY_EXT
:
1860 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1861 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1869 case GL_PROXY_TEXTURE_3D
:
1870 return _mesa_is_desktop_gl(ctx
);
1871 case GL_TEXTURE_2D_ARRAY_EXT
:
1872 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1873 || _mesa_is_gles3(ctx
);
1874 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1875 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1876 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1877 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1878 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1883 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1890 * Check if the given texture target value is legal for a
1891 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1892 * The difference compared to legal_teximage_target() above is that
1893 * proxy targets are not supported.
1896 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1901 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1906 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1907 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1908 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1909 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1910 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1911 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1912 return ctx
->Extensions
.ARB_texture_cube_map
;
1913 case GL_TEXTURE_RECTANGLE_NV
:
1914 return _mesa_is_desktop_gl(ctx
)
1915 && ctx
->Extensions
.NV_texture_rectangle
;
1916 case GL_TEXTURE_1D_ARRAY_EXT
:
1917 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1925 case GL_TEXTURE_2D_ARRAY_EXT
:
1926 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1927 || _mesa_is_gles3(ctx
);
1928 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1929 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1930 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1932 /* Table 8.15 of the OpenGL 4.5 core profile spec
1933 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1934 * and CopyTextureSubImage3D.
1936 case GL_TEXTURE_CUBE_MAP
:
1942 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1950 * Helper function to determine if a texture object is mutable (in terms
1951 * of GL_ARB_texture_storage).
1954 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
1956 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
1960 return !texObj
->Immutable
;
1965 * Return expected size of a compressed texture.
1968 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
1971 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
1972 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
1976 * Verify that a texture format is valid with a particular target
1978 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1979 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1982 * \param ctx GL context
1983 * \param target Texture target
1984 * \param internalFormat Internal format of the texture image
1985 * \param dimensions Dimensionality at the caller. This is \b not used
1986 * in the validation. It is only used when logging
1988 * \param caller Base name of the calling function (e.g.,
1989 * "glTexImage" or "glTexStorage").
1991 * \returns true if the combination is legal, false otherwise.
1994 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
1995 GLenum target
, GLenum internalFormat
,
1996 unsigned dimensions
,
1999 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
2000 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
2001 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
2002 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
2003 * Profile spec says:
2005 * "Textures with a base internal format of DEPTH_COMPONENT or
2006 * DEPTH_STENCIL are supported by texture image specification
2007 * commands only if target is TEXTURE_1D, TEXTURE_2D,
2008 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
2009 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
2010 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
2011 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
2012 * formats in conjunction with any other target will result in an
2013 * INVALID_OPERATION error."
2015 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
2016 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
2018 if (target
!= GL_TEXTURE_1D
&&
2019 target
!= GL_PROXY_TEXTURE_1D
&&
2020 target
!= GL_TEXTURE_2D
&&
2021 target
!= GL_PROXY_TEXTURE_2D
&&
2022 target
!= GL_TEXTURE_1D_ARRAY
&&
2023 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
2024 target
!= GL_TEXTURE_2D_ARRAY
&&
2025 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
2026 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
2027 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
2028 !((_mesa_is_cube_face(target
) ||
2029 target
== GL_TEXTURE_CUBE_MAP
||
2030 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
2031 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
2032 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
2033 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
2034 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
2035 ctx
->Extensions
.ARB_texture_cube_map_array
)) {
2036 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2037 "%s%dD(bad target for depth texture)",
2038 caller
, dimensions
);
2047 texture_formats_agree(GLenum internalFormat
,
2050 GLboolean colorFormat
;
2051 GLboolean is_format_depth_or_depthstencil
;
2052 GLboolean is_internalFormat_depth_or_depthstencil
;
2054 /* Even though there are no color-index textures, we still have to support
2055 * uploading color-index data and remapping it to RGB via the
2056 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
2058 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
2060 is_internalFormat_depth_or_depthstencil
=
2061 _mesa_is_depth_format(internalFormat
) ||
2062 _mesa_is_depthstencil_format(internalFormat
);
2064 is_format_depth_or_depthstencil
=
2065 _mesa_is_depth_format(format
) ||
2066 _mesa_is_depthstencil_format(format
);
2068 colorFormat
= _mesa_is_color_format(format
);
2070 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
2073 if (is_internalFormat_depth_or_depthstencil
!=
2074 is_format_depth_or_depthstencil
)
2077 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
2084 * Test the glTexImage[123]D() parameters for errors.
2086 * \param ctx GL context.
2087 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2088 * \param target texture target given by the user (already validated).
2089 * \param level image level given by the user.
2090 * \param internalFormat internal format given by the user.
2091 * \param format pixel data format given by the user.
2092 * \param type pixel data type given by the user.
2093 * \param width image width given by the user.
2094 * \param height image height given by the user.
2095 * \param depth image depth given by the user.
2096 * \param border image border given by the user.
2098 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2100 * Verifies each of the parameters against the constants specified in
2101 * __struct gl_contextRec::Const and the supported extensions, and according
2102 * to the OpenGL specification.
2103 * Note that we don't fully error-check the width, height, depth values
2104 * here. That's done in _mesa_legal_texture_dimensions() which is used
2105 * by several other GL entrypoints. Plus, texture dims have a special
2106 * interaction with proxy textures.
2109 texture_error_check( struct gl_context
*ctx
,
2110 GLuint dimensions
, GLenum target
,
2111 GLint level
, GLint internalFormat
,
2112 GLenum format
, GLenum type
,
2113 GLint width
, GLint height
,
2114 GLint depth
, GLint border
,
2115 const GLvoid
*pixels
)
2119 /* Note: for proxy textures, some error conditions immediately generate
2120 * a GL error in the usual way. But others do not generate a GL error.
2121 * Instead, they cause the width, height, depth, format fields of the
2122 * texture image to be zeroed-out. The GL spec seems to indicate that the
2123 * zero-out behaviour is only used in cases related to memory allocation.
2127 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2128 _mesa_error(ctx
, GL_INVALID_VALUE
,
2129 "glTexImage%dD(level=%d)", dimensions
, level
);
2134 if (border
< 0 || border
> 1 ||
2135 ((ctx
->API
!= API_OPENGL_COMPAT
||
2136 target
== GL_TEXTURE_RECTANGLE_NV
||
2137 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2138 _mesa_error(ctx
, GL_INVALID_VALUE
,
2139 "glTexImage%dD(border=%d)", dimensions
, border
);
2143 if (width
< 0 || height
< 0 || depth
< 0) {
2144 _mesa_error(ctx
, GL_INVALID_VALUE
,
2145 "glTexImage%dD(width, height or depth < 0)", dimensions
);
2149 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2150 * combinations of format, internalFormat, and type that can be used.
2151 * Formats and types that require additional extensions (e.g., GL_FLOAT
2152 * requires GL_OES_texture_float) are filtered elsewhere.
2155 if (_mesa_is_gles(ctx
)) {
2156 if (_mesa_is_gles3(ctx
)) {
2157 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
2160 if (format
!= internalFormat
) {
2161 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2162 "glTexImage%dD(format = %s, internalFormat = %s)",
2164 _mesa_lookup_enum_by_nr(format
),
2165 _mesa_lookup_enum_by_nr(internalFormat
));
2169 err
= _mesa_es_error_check_format_and_type(format
, type
, dimensions
);
2171 if (err
!= GL_NO_ERROR
) {
2172 _mesa_error(ctx
, err
,
2173 "glTexImage%dD(format = %s, type = %s, internalFormat = %s)",
2175 _mesa_lookup_enum_by_nr(format
),
2176 _mesa_lookup_enum_by_nr(type
),
2177 _mesa_lookup_enum_by_nr(internalFormat
));
2182 /* Check internalFormat */
2183 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2184 _mesa_error(ctx
, GL_INVALID_VALUE
,
2185 "glTexImage%dD(internalFormat=%s)",
2186 dimensions
, _mesa_lookup_enum_by_nr(internalFormat
));
2190 /* Check incoming image format and type */
2191 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2192 if (err
!= GL_NO_ERROR
) {
2193 _mesa_error(ctx
, err
,
2194 "glTexImage%dD(incompatible format = %s, type = %s)",
2195 dimensions
, _mesa_lookup_enum_by_nr(format
),
2196 _mesa_lookup_enum_by_nr(type
));
2200 /* validate the bound PBO, if any */
2201 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2202 width
, height
, depth
, format
, type
,
2203 INT_MAX
, pixels
, "glTexImage")) {
2207 /* make sure internal format and format basically agree */
2208 if (!texture_formats_agree(internalFormat
, format
)) {
2209 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2210 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
2211 dimensions
, _mesa_lookup_enum_by_nr(internalFormat
),
2212 _mesa_lookup_enum_by_nr(format
));
2216 /* additional checks for ycbcr textures */
2217 if (internalFormat
== GL_YCBCR_MESA
) {
2218 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
2219 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
2220 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
2222 _mesa_snprintf(message
, sizeof(message
),
2223 "glTexImage%dD(format/type YCBCR mismatch)",
2225 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
2226 return GL_TRUE
; /* error */
2228 if (target
!= GL_TEXTURE_2D
&&
2229 target
!= GL_PROXY_TEXTURE_2D
&&
2230 target
!= GL_TEXTURE_RECTANGLE_NV
&&
2231 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
2232 _mesa_error(ctx
, GL_INVALID_ENUM
,
2233 "glTexImage%dD(bad target for YCbCr texture)",
2239 _mesa_snprintf(message
, sizeof(message
),
2240 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
2241 dimensions
, border
);
2242 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
2247 /* additional checks for depth textures */
2248 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
,
2249 dimensions
, "glTexImage"))
2252 /* additional checks for compressed textures */
2253 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2254 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2255 _mesa_error(ctx
, GL_INVALID_ENUM
,
2256 "glTexImage%dD(target can't be compressed)", dimensions
);
2259 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2260 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2261 "glTexImage%dD(no compression for format)", dimensions
);
2265 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2266 "glTexImage%dD(border!=0)", dimensions
);
2271 /* additional checks for integer textures */
2272 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
2273 (_mesa_is_enum_format_integer(format
) !=
2274 _mesa_is_enum_format_integer(internalFormat
))) {
2275 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2276 "glTexImage%dD(integer/non-integer format mismatch)",
2281 if (!mutable_tex_object(ctx
, target
)) {
2282 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2283 "glTexImage%dD(immutable texture)", dimensions
);
2287 /* if we get here, the parameters are OK */
2293 * Error checking for glCompressedTexImage[123]D().
2294 * Note that the width, height and depth values are not fully error checked
2296 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2299 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2300 GLenum target
, GLint level
,
2301 GLenum internalFormat
, GLsizei width
,
2302 GLsizei height
, GLsizei depth
, GLint border
,
2303 GLsizei imageSize
, const GLvoid
*data
)
2305 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2307 GLenum error
= GL_NO_ERROR
;
2308 char *reason
= ""; /* no error */
2310 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2312 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
2314 * "The ETC2/EAC texture compression algorithm supports only
2315 * two-dimensional images. If internalformat is an ETC2/EAC format,
2316 * CompressedTexImage3D will generate an INVALID_OPERATION error if
2317 * target is not TEXTURE_2D_ARRAY."
2319 error
= _mesa_is_desktop_gl(ctx
) ? GL_INVALID_ENUM
: GL_INVALID_OPERATION
;
2323 /* This will detect any invalid internalFormat value */
2324 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2325 _mesa_error(ctx
, GL_INVALID_ENUM
,
2326 "glCompressedTexImage%dD(internalFormat=%s)",
2327 dimensions
, _mesa_lookup_enum_by_nr(internalFormat
));
2331 /* validate the bound PBO, if any */
2332 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2334 "glCompressedTexImage")) {
2338 switch (internalFormat
) {
2339 case GL_PALETTE4_RGB8_OES
:
2340 case GL_PALETTE4_RGBA8_OES
:
2341 case GL_PALETTE4_R5_G6_B5_OES
:
2342 case GL_PALETTE4_RGBA4_OES
:
2343 case GL_PALETTE4_RGB5_A1_OES
:
2344 case GL_PALETTE8_RGB8_OES
:
2345 case GL_PALETTE8_RGBA8_OES
:
2346 case GL_PALETTE8_R5_G6_B5_OES
:
2347 case GL_PALETTE8_RGBA4_OES
:
2348 case GL_PALETTE8_RGB5_A1_OES
:
2349 /* check level (note that level should be zero or less!) */
2350 if (level
> 0 || level
< -maxLevels
) {
2352 error
= GL_INVALID_VALUE
;
2356 if (dimensions
!= 2) {
2357 reason
= "compressed paletted textures must be 2D";
2358 error
= GL_INVALID_OPERATION
;
2362 /* Figure out the expected texture size (in bytes). This will be
2363 * checked against the actual size later.
2365 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2368 /* This is for the benefit of the TestProxyTexImage below. It expects
2369 * level to be non-negative. OES_compressed_paletted_texture uses a
2370 * weird mechanism where the level specified to glCompressedTexImage2D
2371 * is -(n-1) number of levels in the texture, and the data specifies the
2372 * complete mipmap stack. This is done to ensure the palette is the
2373 * same for all levels.
2380 if (level
< 0 || level
>= maxLevels
) {
2382 error
= GL_INVALID_VALUE
;
2386 /* Figure out the expected texture size (in bytes). This will be
2387 * checked against the actual size later.
2389 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2393 /* This should really never fail */
2394 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2395 reason
= "internalFormat";
2396 error
= GL_INVALID_ENUM
;
2400 /* No compressed formats support borders at this time */
2402 reason
= "border != 0";
2403 error
= GL_INVALID_VALUE
;
2407 /* Check for invalid pixel storage modes */
2408 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2410 "glCompressedTexImage")) {
2414 /* check image size in bytes */
2415 if (expectedSize
!= imageSize
) {
2416 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2417 * if <imageSize> is not consistent with the format, dimensions, and
2418 * contents of the specified image.
2420 reason
= "imageSize inconsistant with width/height/format";
2421 error
= GL_INVALID_VALUE
;
2425 if (!mutable_tex_object(ctx
, target
)) {
2426 reason
= "immutable texture";
2427 error
= GL_INVALID_OPERATION
;
2434 /* Note: not all error paths exit through here. */
2435 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2436 dimensions
, reason
);
2443 * Test glTexSubImage[123]D() parameters for errors.
2445 * \param ctx GL context.
2446 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2447 * \param target texture target given by the user (already validated)
2448 * \param level image level given by the user.
2449 * \param xoffset sub-image x offset given by the user.
2450 * \param yoffset sub-image y offset given by the user.
2451 * \param zoffset sub-image z offset given by the user.
2452 * \param format pixel data format given by the user.
2453 * \param type pixel data type given by the user.
2454 * \param width image width given by the user.
2455 * \param height image height given by the user.
2456 * \param depth image depth given by the user.
2458 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2460 * Verifies each of the parameters against the constants specified in
2461 * __struct gl_contextRec::Const and the supported extensions, and according
2462 * to the OpenGL specification.
2465 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2466 struct gl_texture_object
*texObj
,
2467 GLenum target
, GLint level
,
2468 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2469 GLint width
, GLint height
, GLint depth
,
2470 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2471 bool dsa
, const char *callerName
)
2473 struct gl_texture_image
*texImage
;
2477 /* must be out of memory */
2478 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2482 /* check target (proxies not allowed) */
2483 if (!legal_texsubimage_target(ctx
, dimensions
, target
, dsa
)) {
2484 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
2485 callerName
, _mesa_lookup_enum_by_nr(target
));
2490 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2491 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2495 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2496 * combinations of format and type that can be used. Formats and types
2497 * that require additional extensions (e.g., GL_FLOAT requires
2498 * GL_OES_texture_float) are filtered elsewhere.
2500 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2501 err
= _mesa_es_error_check_format_and_type(format
, type
, dimensions
);
2502 if (err
!= GL_NO_ERROR
) {
2503 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
2504 callerName
, _mesa_lookup_enum_by_nr(format
),
2505 _mesa_lookup_enum_by_nr(type
));
2510 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2511 if (err
!= GL_NO_ERROR
) {
2512 _mesa_error(ctx
, err
,
2513 "%s(incompatible format = %s, type = %s)",
2514 callerName
, _mesa_lookup_enum_by_nr(format
),
2515 _mesa_lookup_enum_by_nr(type
));
2519 /* validate the bound PBO, if any */
2520 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2521 width
, height
, depth
, format
, type
,
2522 INT_MAX
, pixels
, callerName
)) {
2526 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2528 /* non-existant texture level */
2529 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture image)",
2534 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2535 texImage
, xoffset
, yoffset
, zoffset
,
2536 width
, height
, depth
, callerName
)) {
2540 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2541 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2542 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2543 "%s(no compression for format)", callerName
);
2548 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2549 /* both source and dest must be integer-valued, or neither */
2550 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2551 _mesa_is_enum_format_integer(format
)) {
2552 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2553 "%s(integer/non-integer format mismatch)", callerName
);
2563 * Test glCopyTexImage[12]D() parameters for errors.
2565 * \param ctx GL context.
2566 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2567 * \param target texture target given by the user.
2568 * \param level image level given by the user.
2569 * \param internalFormat internal format given by the user.
2570 * \param width image width given by the user.
2571 * \param height image height given by the user.
2572 * \param border texture border.
2574 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2576 * Verifies each of the parameters against the constants specified in
2577 * __struct gl_contextRec::Const and the supported extensions, and according
2578 * to the OpenGL specification.
2581 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2582 GLenum target
, GLint level
, GLint internalFormat
,
2583 GLint width
, GLint height
, GLint border
)
2586 GLint rb_base_format
;
2587 struct gl_renderbuffer
*rb
;
2588 GLenum rb_internal_format
;
2591 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2592 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2593 dimensions
, _mesa_lookup_enum_by_nr(target
));
2598 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2599 _mesa_error(ctx
, GL_INVALID_VALUE
,
2600 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2604 /* Check that the source buffer is complete */
2605 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2606 if (ctx
->ReadBuffer
->_Status
== 0) {
2607 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2609 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2610 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2611 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2615 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2616 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2617 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2623 if (border
< 0 || border
> 1 ||
2624 ((ctx
->API
!= API_OPENGL_COMPAT
||
2625 target
== GL_TEXTURE_RECTANGLE_NV
||
2626 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2627 _mesa_error(ctx
, GL_INVALID_VALUE
,
2628 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2632 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2634 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2635 "glCopyTexImage%dD(read buffer)", dimensions
);
2639 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2642 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2643 switch (internalFormat
) {
2648 case GL_LUMINANCE_ALPHA
:
2651 _mesa_error(ctx
, GL_INVALID_VALUE
,
2652 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2653 _mesa_lookup_enum_by_nr(internalFormat
));
2658 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2659 if (baseFormat
< 0) {
2660 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2661 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2662 _mesa_lookup_enum_by_nr(internalFormat
));
2666 rb_internal_format
= rb
->InternalFormat
;
2667 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2668 if (_mesa_is_color_format(internalFormat
)) {
2669 if (rb_base_format
< 0) {
2670 _mesa_error(ctx
, GL_INVALID_VALUE
,
2671 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2672 _mesa_lookup_enum_by_nr(internalFormat
));
2677 if (_mesa_is_gles(ctx
)) {
2679 if (_mesa_base_format_component_count(baseFormat
) >
2680 _mesa_base_format_component_count(rb_base_format
)) {
2683 if (baseFormat
== GL_DEPTH_COMPONENT
||
2684 baseFormat
== GL_DEPTH_STENCIL
||
2685 rb_base_format
== GL_DEPTH_COMPONENT
||
2686 rb_base_format
== GL_DEPTH_STENCIL
||
2687 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2688 baseFormat
== GL_ALPHA
) &&
2689 rb_base_format
!= GL_RGBA
) ||
2690 internalFormat
== GL_RGB9_E5
) {
2693 if (internalFormat
== GL_RGB9_E5
) {
2697 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2698 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2699 _mesa_lookup_enum_by_nr(internalFormat
));
2704 if (_mesa_is_gles3(ctx
)) {
2705 bool rb_is_srgb
= false;
2706 bool dst_is_srgb
= false;
2708 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2709 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2713 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2717 if (rb_is_srgb
!= dst_is_srgb
) {
2718 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2719 * OpenGLES 3.0.0 spec says:
2721 * "The error INVALID_OPERATION is also generated if the
2722 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2723 * framebuffer attachment corresponding to the read buffer
2724 * is LINEAR (see section 6.1.13) and internalformat is
2725 * one of the sRGB formats described in section 3.8.16, or
2726 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2727 * SRGB and internalformat is not one of the sRGB formats."
2729 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2730 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2734 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2735 * types for SNORM formats. Also, conversion to SNORM formats is not
2736 * allowed by Table 3.2 on Page 110.
2738 if(_mesa_is_enum_format_snorm(internalFormat
)) {
2739 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2740 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2741 _mesa_lookup_enum_by_nr(internalFormat
));
2746 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2747 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2748 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2752 /* From the EXT_texture_integer spec:
2754 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2755 * if the texture internalformat is an integer format and the read color
2756 * buffer is not an integer format, or if the internalformat is not an
2757 * integer format and the read color buffer is an integer format."
2759 if (_mesa_is_color_format(internalFormat
)) {
2760 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2761 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2762 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2763 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2764 if (is_int
|| is_rbint
) {
2765 if (is_int
!= is_rbint
) {
2766 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2767 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2769 } else if (_mesa_is_gles(ctx
) &&
2770 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2771 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2772 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2773 "glCopyTexImage%dD(signed vs unsigned integer)", dimensions
);
2778 /* From page 138 of OpenGL ES 3.0 spec:
2779 * "The error INVALID_OPERATION is generated if floating-point RGBA
2780 * data is required; if signed integer RGBA data is required and the
2781 * format of the current color buffer is not signed integer; if
2782 * unsigned integer RGBA data is required and the format of the
2783 * current color buffer is not unsigned integer; or if fixed-point
2784 * RGBA data is required and the format of the current color buffer
2785 * is not fixed-point.
2787 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2788 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2789 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2792 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2793 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
)) {
2794 _mesa_error(ctx
, GL_INVALID_ENUM
,
2795 "glCopyTexImage%dD(target)", dimensions
);
2798 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2799 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2800 "glCopyTexImage%dD(no compression for format)", dimensions
);
2804 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2805 "glCopyTexImage%dD(border!=0)", dimensions
);
2810 if (!mutable_tex_object(ctx
, target
)) {
2811 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2812 "glCopyTexImage%dD(immutable texture)", dimensions
);
2816 /* if we get here, the parameters are OK */
2822 * Test glCopyTexSubImage[12]D() parameters for errors.
2823 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2826 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2827 const struct gl_texture_object
*texObj
,
2828 GLenum target
, GLint level
,
2829 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2830 GLint width
, GLint height
, const char *caller
)
2832 struct gl_texture_image
*texImage
;
2834 /* Check that the source buffer is complete */
2835 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2836 if (ctx
->ReadBuffer
->_Status
== 0) {
2837 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2839 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2840 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2841 "%s(invalid readbuffer)", caller
);
2845 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2846 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2847 "%s(multisample FBO)", caller
);
2853 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2854 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2858 /* Get dest image pointers */
2860 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", caller
);
2864 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2866 /* destination image does not exist */
2867 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2868 "%s(invalid texture image)", caller
);
2872 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2873 xoffset
, yoffset
, zoffset
,
2874 width
, height
, 1, caller
)) {
2878 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2879 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2880 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2881 "%s(no compression for format)", caller
);
2886 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2887 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2891 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2892 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2893 "%s(missing readbuffer, format=0x%x)", caller
,
2894 texImage
->_BaseFormat
);
2898 /* From the EXT_texture_integer spec:
2900 * "INVALID_OPERATION is generated by CopyTexImage* and
2901 * CopyTexSubImage* if the texture internalformat is an integer format
2902 * and the read color buffer is not an integer format, or if the
2903 * internalformat is not an integer format and the read color buffer
2904 * is an integer format."
2906 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2907 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2909 if (_mesa_is_format_integer_color(rb
->Format
) !=
2910 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2911 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2912 "%s(integer vs non-integer)", caller
);
2917 /* if we get here, the parameters are OK */
2922 /** Callback info for walking over FBO hash table */
2925 struct gl_context
*ctx
;
2926 struct gl_texture_object
*texObj
;
2932 * Check render to texture callback. Called from _mesa_HashWalk().
2935 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2937 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2938 const struct cb_info
*info
= (struct cb_info
*) userData
;
2939 struct gl_context
*ctx
= info
->ctx
;
2940 const struct gl_texture_object
*texObj
= info
->texObj
;
2941 const GLuint level
= info
->level
, face
= info
->face
;
2943 /* If this is a user-created FBO */
2944 if (_mesa_is_user_fbo(fb
)) {
2946 /* check if any of the FBO's attachments point to 'texObj' */
2947 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2948 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2949 if (att
->Type
== GL_TEXTURE
&&
2950 att
->Texture
== texObj
&&
2951 att
->TextureLevel
== level
&&
2952 att
->CubeMapFace
== face
) {
2953 _mesa_update_texture_renderbuffer(ctx
, ctx
->DrawBuffer
, att
);
2954 assert(att
->Renderbuffer
->TexImage
);
2955 /* Mark fb status as indeterminate to force re-validation */
2964 * When a texture image is specified we have to check if it's bound to
2965 * any framebuffer objects (render to texture) in order to detect changes
2966 * in size or format since that effects FBO completeness.
2967 * Any FBOs rendering into the texture must be re-validated.
2970 _mesa_update_fbo_texture(struct gl_context
*ctx
,
2971 struct gl_texture_object
*texObj
,
2972 GLuint face
, GLuint level
)
2974 /* Only check this texture if it's been marked as RenderToTexture */
2975 if (texObj
->_RenderToTexture
) {
2976 struct cb_info info
;
2978 info
.texObj
= texObj
;
2981 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2987 * If the texture object's GenerateMipmap flag is set and we've
2988 * changed the texture base level image, regenerate the rest of the
2989 * mipmap levels now.
2992 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2993 struct gl_texture_object
*texObj
, GLint level
)
2995 if (texObj
->GenerateMipmap
&&
2996 level
== texObj
->BaseLevel
&&
2997 level
< texObj
->MaxLevel
) {
2998 assert(ctx
->Driver
.GenerateMipmap
);
2999 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
3004 /** Debug helper: override the user-requested internal format */
3006 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
3009 if (internalFormat
== GL_RGBA16F_ARB
||
3010 internalFormat
== GL_RGBA32F_ARB
) {
3011 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
3014 else if (internalFormat
== GL_RGB16F_ARB
||
3015 internalFormat
== GL_RGB32F_ARB
) {
3016 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
3019 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
3020 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
3021 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3022 return GL_LUMINANCE_ALPHA
;
3024 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
3025 internalFormat
== GL_LUMINANCE32F_ARB
) {
3026 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3027 return GL_LUMINANCE
;
3029 else if (internalFormat
== GL_ALPHA16F_ARB
||
3030 internalFormat
== GL_ALPHA32F_ARB
) {
3031 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3035 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
3036 internalFormat = GL_RGBA;
3040 return internalFormat
;
3043 return internalFormat
;
3049 * Choose the actual hardware format for a texture image.
3050 * Try to use the same format as the previous image level when possible.
3051 * Otherwise, ask the driver for the best format.
3052 * It's important to try to choose a consistant format for all levels
3053 * for efficient texture memory layout/allocation. In particular, this
3054 * comes up during automatic mipmap generation.
3057 _mesa_choose_texture_format(struct gl_context
*ctx
,
3058 struct gl_texture_object
*texObj
,
3059 GLenum target
, GLint level
,
3060 GLenum internalFormat
, GLenum format
, GLenum type
)
3064 /* see if we've already chosen a format for the previous level */
3066 struct gl_texture_image
*prevImage
=
3067 _mesa_select_tex_image(texObj
, target
, level
- 1);
3068 /* See if the prev level is defined and has an internal format which
3069 * matches the new internal format.
3072 prevImage
->Width
> 0 &&
3073 prevImage
->InternalFormat
== internalFormat
) {
3074 /* use the same format */
3075 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
3076 return prevImage
->TexFormat
;
3080 /* If the application requested compression to an S3TC format but we don't
3081 * have the DXTn library, force a generic compressed format instead.
3083 if (internalFormat
!= format
&& format
!= GL_NONE
) {
3084 const GLenum before
= internalFormat
;
3086 switch (internalFormat
) {
3087 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
3088 if (!ctx
->Mesa_DXTn
)
3089 internalFormat
= GL_COMPRESSED_RGB
;
3091 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
3092 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
3093 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
3094 if (!ctx
->Mesa_DXTn
)
3095 internalFormat
= GL_COMPRESSED_RGBA
;
3101 if (before
!= internalFormat
) {
3103 "DXT compression requested (%s), "
3104 "but libtxc_dxtn library not installed. Using %s "
3106 _mesa_lookup_enum_by_nr(before
),
3107 _mesa_lookup_enum_by_nr(internalFormat
));
3111 /* choose format from scratch */
3112 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
3114 assert(f
!= MESA_FORMAT_NONE
);
3120 * Adjust pixel unpack params and image dimensions to strip off the
3121 * one-pixel texture border.
3123 * Gallium and intel don't support texture borders. They've seldem been used
3124 * and seldom been implemented correctly anyway.
3126 * \param unpackNew returns the new pixel unpack parameters
3129 strip_texture_border(GLenum target
,
3130 GLint
*width
, GLint
*height
, GLint
*depth
,
3131 const struct gl_pixelstore_attrib
*unpack
,
3132 struct gl_pixelstore_attrib
*unpackNew
)
3138 *unpackNew
= *unpack
;
3140 if (unpackNew
->RowLength
== 0)
3141 unpackNew
->RowLength
= *width
;
3143 if (unpackNew
->ImageHeight
== 0)
3144 unpackNew
->ImageHeight
= *height
;
3146 assert(*width
>= 3);
3147 unpackNew
->SkipPixels
++; /* skip the border */
3148 *width
= *width
- 2; /* reduce the width by two border pixels */
3150 /* The min height of a texture with a border is 3 */
3151 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
3152 unpackNew
->SkipRows
++; /* skip the border */
3153 *height
= *height
- 2; /* reduce the height by two border pixels */
3157 target
!= GL_TEXTURE_2D_ARRAY
&&
3158 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
3159 unpackNew
->SkipImages
++; /* skip the border */
3160 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
3166 * Common code to implement all the glTexImage1D/2D/3D functions
3167 * as well as glCompressedTexImage1D/2D/3D.
3168 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
3169 * \param format the user's image format (only used if !compressed)
3170 * \param type the user's image type (only used if !compressed)
3171 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
3174 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3175 GLenum target
, GLint level
, GLint internalFormat
,
3176 GLsizei width
, GLsizei height
, GLsizei depth
,
3177 GLint border
, GLenum format
, GLenum type
,
3178 GLsizei imageSize
, const GLvoid
*pixels
)
3180 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
3181 struct gl_pixelstore_attrib unpack_no_border
;
3182 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
3183 struct gl_texture_object
*texObj
;
3184 mesa_format texFormat
;
3185 GLboolean dimensionsOK
, sizeOK
;
3187 FLUSH_VERTICES(ctx
, 0);
3189 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
3192 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
3194 _mesa_lookup_enum_by_nr(target
), level
,
3195 _mesa_lookup_enum_by_nr(internalFormat
),
3196 width
, height
, depth
, border
, pixels
);
3199 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
3201 _mesa_lookup_enum_by_nr(target
), level
,
3202 _mesa_lookup_enum_by_nr(internalFormat
),
3203 width
, height
, depth
, border
,
3204 _mesa_lookup_enum_by_nr(format
),
3205 _mesa_lookup_enum_by_nr(type
), pixels
);
3208 internalFormat
= override_internal_format(internalFormat
, width
, height
);
3210 /* target error checking */
3211 if (!legal_teximage_target(ctx
, dims
, target
)) {
3212 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
3213 func
, dims
, _mesa_lookup_enum_by_nr(target
));
3217 /* general error checking */
3219 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
3221 width
, height
, depth
,
3222 border
, imageSize
, pixels
))
3226 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3227 format
, type
, width
, height
, depth
, border
,
3232 /* Here we convert a cpal compressed image into a regular glTexImage2D
3233 * call by decompressing the texture. If we really want to support cpal
3234 * textures in any driver this would have to be changed.
3236 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
3237 switch (internalFormat
) {
3238 case GL_PALETTE4_RGB8_OES
:
3239 case GL_PALETTE4_RGBA8_OES
:
3240 case GL_PALETTE4_R5_G6_B5_OES
:
3241 case GL_PALETTE4_RGBA4_OES
:
3242 case GL_PALETTE4_RGB5_A1_OES
:
3243 case GL_PALETTE8_RGB8_OES
:
3244 case GL_PALETTE8_RGBA8_OES
:
3245 case GL_PALETTE8_R5_G6_B5_OES
:
3246 case GL_PALETTE8_RGBA4_OES
:
3247 case GL_PALETTE8_RGB5_A1_OES
:
3248 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
3249 width
, height
, imageSize
, pixels
);
3254 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3258 /* For glCompressedTexImage() the driver has no choice about the
3259 * texture format since we'll never transcode the user's compressed
3260 * image data. The internalFormat was error checked earlier.
3262 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
3265 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3266 * internal floating point format for the given base format.
3268 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
3269 if (type
== GL_FLOAT
) {
3270 texObj
->_IsFloat
= GL_TRUE
;
3271 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
3272 texObj
->_IsHalfFloat
= GL_TRUE
;
3275 internalFormat
= adjust_for_oes_float_texture(format
, type
);
3278 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3279 internalFormat
, format
, type
);
3282 assert(texFormat
!= MESA_FORMAT_NONE
);
3284 /* check that width, height, depth are legal for the mipmap level */
3285 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3286 height
, depth
, border
);
3288 /* check that the texture won't take too much memory, etc */
3289 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3291 width
, height
, depth
, border
);
3293 if (_mesa_is_proxy_texture(target
)) {
3294 /* Proxy texture: just clear or set state depending on error checking */
3295 struct gl_texture_image
*texImage
=
3296 get_proxy_tex_image(ctx
, target
, level
);
3299 return; /* GL_OUT_OF_MEMORY already recorded */
3301 if (dimensionsOK
&& sizeOK
) {
3302 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3303 border
, internalFormat
, texFormat
);
3306 clear_teximage_fields(texImage
);
3310 /* non-proxy target */
3311 const GLuint face
= _mesa_tex_target_to_face(target
);
3312 struct gl_texture_image
*texImage
;
3314 if (!dimensionsOK
) {
3315 _mesa_error(ctx
, GL_INVALID_VALUE
,
3316 "glTexImage%uD(invalid width or height or depth)",
3322 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3323 "glTexImage%uD(image too large: %d x %d x %d, %s format)",
3324 dims
, width
, height
, depth
,
3325 _mesa_lookup_enum_by_nr(internalFormat
));
3329 /* Allow a hardware driver to just strip out the border, to provide
3330 * reliable but slightly incorrect hardware rendering instead of
3331 * rarely-tested software fallback rendering.
3333 if (border
&& ctx
->Const
.StripTextureBorder
) {
3334 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3337 unpack
= &unpack_no_border
;
3340 if (ctx
->NewState
& _NEW_PIXEL
)
3341 _mesa_update_state(ctx
);
3343 _mesa_lock_texture(ctx
, texObj
);
3345 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3348 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3351 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3353 _mesa_init_teximage_fields(ctx
, texImage
,
3354 width
, height
, depth
,
3355 border
, internalFormat
, texFormat
);
3357 /* Give the texture to the driver. <pixels> may be null. */
3358 if (width
> 0 && height
> 0 && depth
> 0) {
3360 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3364 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3365 type
, pixels
, unpack
);
3369 check_gen_mipmap(ctx
, target
, texObj
, level
);
3371 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3373 _mesa_dirty_texobj(ctx
, texObj
);
3376 _mesa_unlock_texture(ctx
, texObj
);
3383 * Called from the API. Note that width includes the border.
3386 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3387 GLsizei width
, GLint border
, GLenum format
,
3388 GLenum type
, const GLvoid
*pixels
)
3390 GET_CURRENT_CONTEXT(ctx
);
3391 teximage(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3392 border
, format
, type
, 0, pixels
);
3397 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3398 GLsizei width
, GLsizei height
, GLint border
,
3399 GLenum format
, GLenum type
,
3400 const GLvoid
*pixels
)
3402 GET_CURRENT_CONTEXT(ctx
);
3403 teximage(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3404 border
, format
, type
, 0, pixels
);
3409 * Called by the API or display list executor.
3410 * Note that width and height include the border.
3413 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3414 GLsizei width
, GLsizei height
, GLsizei depth
,
3415 GLint border
, GLenum format
, GLenum type
,
3416 const GLvoid
*pixels
)
3418 GET_CURRENT_CONTEXT(ctx
);
3419 teximage(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3420 width
, height
, depth
,
3421 border
, format
, type
, 0, pixels
);
3426 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3427 GLsizei width
, GLsizei height
, GLsizei depth
,
3428 GLint border
, GLenum format
, GLenum type
,
3429 const GLvoid
*pixels
)
3431 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3432 depth
, border
, format
, type
, pixels
);
3437 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3439 struct gl_texture_object
*texObj
;
3440 struct gl_texture_image
*texImage
;
3442 GET_CURRENT_CONTEXT(ctx
);
3443 FLUSH_VERTICES(ctx
, 0);
3447 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3449 case GL_TEXTURE_EXTERNAL_OES
:
3451 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3454 valid_target
= false;
3458 if (!valid_target
) {
3459 _mesa_error(ctx
, GL_INVALID_ENUM
,
3460 "glEGLImageTargetTexture2D(target=%d)", target
);
3465 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3466 "glEGLImageTargetTexture2D(image=%p)", image
);
3470 if (ctx
->NewState
& _NEW_PIXEL
)
3471 _mesa_update_state(ctx
);
3473 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3477 _mesa_lock_texture(ctx
, texObj
);
3479 if (texObj
->Immutable
) {
3480 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3481 "glEGLImageTargetTexture2D(texture is immutable)");
3482 _mesa_unlock_texture(ctx
, texObj
);
3486 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3488 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3490 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3492 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3493 texObj
, texImage
, image
);
3495 _mesa_dirty_texobj(ctx
, texObj
);
3497 _mesa_unlock_texture(ctx
, texObj
);
3503 * Helper that implements the glTexSubImage1/2/3D()
3504 * and glTextureSubImage1/2/3D() functions.
3507 _mesa_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3508 struct gl_texture_object
*texObj
,
3509 struct gl_texture_image
*texImage
,
3510 GLenum target
, GLint level
,
3511 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3512 GLsizei width
, GLsizei height
, GLsizei depth
,
3513 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3516 FLUSH_VERTICES(ctx
, 0);
3518 /* check target (proxies not allowed) */
3519 if (!legal_texsubimage_target(ctx
, dims
, target
, dsa
)) {
3520 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sSubImage%uD(target=%s)",
3522 dims
, _mesa_lookup_enum_by_nr(target
));
3526 if (ctx
->NewState
& _NEW_PIXEL
)
3527 _mesa_update_state(ctx
);
3529 _mesa_lock_texture(ctx
, texObj
);
3531 if (width
> 0 && height
> 0 && depth
> 0) {
3532 /* If we have a border, offset=-1 is legal. Bias by border width. */
3535 if (target
!= GL_TEXTURE_2D_ARRAY
)
3536 zoffset
+= texImage
->Border
;
3539 if (target
!= GL_TEXTURE_1D_ARRAY
)
3540 yoffset
+= texImage
->Border
;
3543 xoffset
+= texImage
->Border
;
3546 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3547 xoffset
, yoffset
, zoffset
,
3548 width
, height
, depth
,
3549 format
, type
, pixels
, &ctx
->Unpack
);
3551 check_gen_mipmap(ctx
, target
, texObj
, level
);
3553 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
3554 * the texel data, not the texture format, size, etc.
3558 _mesa_unlock_texture(ctx
, texObj
);
3562 * Implement all the glTexSubImage1/2/3D() functions.
3563 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3566 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3567 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3568 GLsizei width
, GLsizei height
, GLsizei depth
,
3569 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3570 const char *callerName
)
3572 struct gl_texture_object
*texObj
;
3573 struct gl_texture_image
*texImage
;
3575 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3579 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3580 xoffset
, yoffset
, zoffset
,
3581 width
, height
, depth
, format
, type
,
3582 pixels
, false, callerName
)) {
3583 return; /* error was detected */
3586 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3587 /* texsubimage_error_check ensures that texImage is not NULL */
3589 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3590 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3592 _mesa_lookup_enum_by_nr(target
), level
,
3593 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3594 _mesa_lookup_enum_by_nr(format
),
3595 _mesa_lookup_enum_by_nr(type
), pixels
);
3597 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3598 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3599 format
, type
, pixels
, false);
3604 * Implement all the glTextureSubImage1/2/3D() functions.
3605 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3608 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3609 GLuint texture
, GLint level
,
3610 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3611 GLsizei width
, GLsizei height
, GLsizei depth
,
3612 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3613 const char *callerName
)
3615 struct gl_texture_object
*texObj
;
3616 struct gl_texture_image
*texImage
;
3619 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3621 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3622 dims
, texture
, level
,
3623 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3624 _mesa_lookup_enum_by_nr(format
),
3625 _mesa_lookup_enum_by_nr(type
), pixels
);
3627 /* Get the texture object by Name. */
3628 texObj
= _mesa_lookup_texture(ctx
, texture
);
3630 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureSubImage%uD(texture)",
3635 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3636 xoffset
, yoffset
, zoffset
,
3637 width
, height
, depth
, format
, type
,
3638 pixels
, true, callerName
)) {
3639 return; /* error was detected */
3643 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3644 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3648 * What do we do if the user created a texture with the following code
3649 * and then called this function with its handle?
3652 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3653 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3654 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3655 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3656 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3657 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3658 * // wrong format, or given the wrong size, etc.
3659 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3660 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3662 * A bug has been filed against the spec for this case. In the
3663 * meantime, we will check for cube completeness.
3665 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3666 * Core Profile spec (30.10.2014):
3667 * "[A] cube map texture is cube complete if the
3668 * following conditions all hold true: The [base level] texture
3669 * images of each of the six cube map faces have identical, positive,
3670 * and square dimensions. The [base level] images were each specified
3671 * with the same internal format."
3673 * It seems reasonable to check for cube completeness of an arbitrary
3674 * level here so that the image data has a consistent format and size.
3676 if (!_mesa_cube_level_complete(texObj
, level
)) {
3677 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3678 "glTextureSubImage%uD(cube map incomplete)",
3683 rowStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3685 /* Copy in each face. */
3686 for (i
= 0; i
< 6; ++i
) {
3687 texImage
= texObj
->Image
[i
][level
];
3690 _mesa_texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3691 level
, xoffset
, yoffset
, zoffset
,
3692 width
, height
, 1, format
,
3693 type
, pixels
, true);
3694 pixels
= (GLubyte
*) pixels
+ rowStride
;
3698 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3701 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3702 level
, xoffset
, yoffset
, zoffset
,
3703 width
, height
, depth
, format
,
3704 type
, pixels
, true);
3710 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3711 GLint xoffset
, GLsizei width
,
3712 GLenum format
, GLenum type
,
3713 const GLvoid
*pixels
)
3715 GET_CURRENT_CONTEXT(ctx
);
3716 texsubimage(ctx
, 1, target
, level
,
3719 format
, type
, pixels
, "glTexSubImage1D");
3724 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3725 GLint xoffset
, GLint yoffset
,
3726 GLsizei width
, GLsizei height
,
3727 GLenum format
, GLenum type
,
3728 const GLvoid
*pixels
)
3730 GET_CURRENT_CONTEXT(ctx
);
3731 texsubimage(ctx
, 2, target
, level
,
3732 xoffset
, yoffset
, 0,
3734 format
, type
, pixels
, "glTexSubImage2D");
3740 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3741 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3742 GLsizei width
, GLsizei height
, GLsizei depth
,
3743 GLenum format
, GLenum type
,
3744 const GLvoid
*pixels
)
3746 GET_CURRENT_CONTEXT(ctx
);
3747 texsubimage(ctx
, 3, target
, level
,
3748 xoffset
, yoffset
, zoffset
,
3749 width
, height
, depth
,
3750 format
, type
, pixels
, "glTexSubImage3D");
3754 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3755 GLint xoffset
, GLsizei width
,
3756 GLenum format
, GLenum type
,
3757 const GLvoid
*pixels
)
3759 GET_CURRENT_CONTEXT(ctx
);
3760 texturesubimage(ctx
, 1, texture
, level
,
3763 format
, type
, pixels
, "glTextureSubImage1D");
3768 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3769 GLint xoffset
, GLint yoffset
,
3770 GLsizei width
, GLsizei height
,
3771 GLenum format
, GLenum type
,
3772 const GLvoid
*pixels
)
3774 GET_CURRENT_CONTEXT(ctx
);
3775 texturesubimage(ctx
, 2, texture
, level
,
3776 xoffset
, yoffset
, 0,
3778 format
, type
, pixels
, "glTextureSubImage2D");
3783 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3784 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3785 GLsizei width
, GLsizei height
, GLsizei depth
,
3786 GLenum format
, GLenum type
,
3787 const GLvoid
*pixels
)
3789 GET_CURRENT_CONTEXT(ctx
);
3790 texturesubimage(ctx
, 3, texture
, level
,
3791 xoffset
, yoffset
, zoffset
,
3792 width
, height
, depth
,
3793 format
, type
, pixels
, "glTextureSubImage3D");
3798 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3799 * from. This depends on whether the texture contains color or depth values.
3801 static struct gl_renderbuffer
*
3802 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3804 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3805 /* reading from depth/stencil buffer */
3806 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3809 /* copying from color buffer */
3810 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3815 copytexsubimage_by_slice(struct gl_context
*ctx
,
3816 struct gl_texture_image
*texImage
,
3818 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3819 struct gl_renderbuffer
*rb
,
3821 GLsizei width
, GLsizei height
)
3823 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3826 /* For 1D arrays, we copy each scanline of the source rectangle into the
3829 assert(zoffset
== 0);
3831 for (slice
= 0; slice
< height
; slice
++) {
3832 assert(yoffset
+ slice
< texImage
->Height
);
3833 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3834 xoffset
, 0, yoffset
+ slice
,
3835 rb
, x
, y
+ slice
, width
, 1);
3838 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3839 xoffset
, yoffset
, zoffset
,
3840 rb
, x
, y
, width
, height
);
3845 formats_differ_in_component_sizes (mesa_format f1
,
3848 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3849 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3850 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3851 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3853 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3854 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3855 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3856 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3858 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3859 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3860 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3861 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3868 * Implement the glCopyTexImage1/2D() functions.
3871 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3872 GLenum target
, GLint level
, GLenum internalFormat
,
3873 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
)
3875 struct gl_texture_object
*texObj
;
3876 struct gl_texture_image
*texImage
;
3877 const GLuint face
= _mesa_tex_target_to_face(target
);
3878 mesa_format texFormat
;
3879 struct gl_renderbuffer
*rb
;
3881 FLUSH_VERTICES(ctx
, 0);
3883 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3884 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3886 _mesa_lookup_enum_by_nr(target
), level
,
3887 _mesa_lookup_enum_by_nr(internalFormat
),
3888 x
, y
, width
, height
, border
);
3890 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3891 _mesa_update_state(ctx
);
3893 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3894 width
, height
, border
))
3897 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3899 _mesa_error(ctx
, GL_INVALID_VALUE
,
3900 "glCopyTexImage%uD(invalid width or height)", dims
);
3904 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3907 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3908 internalFormat
, GL_NONE
, GL_NONE
);
3910 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3912 if (_mesa_is_gles3(ctx
)) {
3913 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3914 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3915 * OpenGL ES 3.0. Khronos bug# 9807.
3917 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3918 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3919 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer and"
3920 " writing to unsized internal format)", dims
);
3924 /* From Page 139 of OpenGL ES 3.0 spec:
3925 * "If internalformat is sized, the internal format of the new texel
3926 * array is internalformat, and this is also the new texel array’s
3927 * effective internal format. If the component sizes of internalformat
3928 * do not exactly match the corresponding component sizes of the source
3929 * buffer’s effective internal format, described below, an
3930 * INVALID_OPERATION error is generated. If internalformat is unsized,
3931 * the internal format of the new texel array is the effective internal
3932 * format of the source buffer, and this is also the new texel array’s
3933 * effective internal format.
3935 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3936 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3937 "glCopyTexImage%uD(componenet size changed in"
3938 " internal format)", dims
);
3943 assert(texFormat
!= MESA_FORMAT_NONE
);
3945 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3947 width
, height
, 1, border
)) {
3948 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3949 "glCopyTexImage%uD(image too large)", dims
);
3953 if (border
&& ctx
->Const
.StripTextureBorder
) {
3955 width
-= border
* 2;
3958 height
-= border
* 2;
3963 _mesa_lock_texture(ctx
, texObj
);
3965 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3968 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
3971 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
3973 /* Free old texture image */
3974 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3976 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
3977 border
, internalFormat
, texFormat
);
3979 if (width
&& height
) {
3980 /* Allocate texture memory (no pixel data yet) */
3981 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
3983 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
3985 struct gl_renderbuffer
*srcRb
=
3986 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
3988 copytexsubimage_by_slice(ctx
, texImage
, dims
,
3990 srcRb
, srcX
, srcY
, width
, height
);
3993 check_gen_mipmap(ctx
, target
, texObj
, level
);
3996 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3998 _mesa_dirty_texobj(ctx
, texObj
);
4001 _mesa_unlock_texture(ctx
, texObj
);
4007 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4008 GLenum internalFormat
,
4010 GLsizei width
, GLint border
)
4012 GET_CURRENT_CONTEXT(ctx
);
4013 copyteximage(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1, border
);
4019 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4020 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4023 GET_CURRENT_CONTEXT(ctx
);
4024 copyteximage(ctx
, 2, target
, level
, internalFormat
,
4025 x
, y
, width
, height
, border
);
4029 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
4032 _mesa_copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4033 struct gl_texture_object
*texObj
,
4034 GLenum target
, GLint level
,
4035 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4037 GLsizei width
, GLsizei height
,
4040 struct gl_texture_image
*texImage
;
4042 FLUSH_VERTICES(ctx
, 0);
4044 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
4045 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
4046 _mesa_lookup_enum_by_nr(target
),
4047 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
4049 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4050 _mesa_update_state(ctx
);
4052 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
4053 xoffset
, yoffset
, zoffset
,
4054 width
, height
, caller
)) {
4058 _mesa_lock_texture(ctx
, texObj
);
4060 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4062 /* If we have a border, offset=-1 is legal. Bias by border width. */
4065 if (target
!= GL_TEXTURE_2D_ARRAY
)
4066 zoffset
+= texImage
->Border
;
4069 if (target
!= GL_TEXTURE_1D_ARRAY
)
4070 yoffset
+= texImage
->Border
;
4073 xoffset
+= texImage
->Border
;
4076 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
4078 struct gl_renderbuffer
*srcRb
=
4079 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4081 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4082 xoffset
, yoffset
, zoffset
,
4083 srcRb
, x
, y
, width
, height
);
4085 check_gen_mipmap(ctx
, target
, texObj
, level
);
4087 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4088 * the texel data, not the texture format, size, etc.
4092 _mesa_unlock_texture(ctx
, texObj
);
4096 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
4097 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4099 struct gl_texture_object
* texObj
;
4100 const char *self
= "glCopyTexSubImage1D";
4101 GET_CURRENT_CONTEXT(ctx
);
4103 /* Check target (proxies not allowed). Target must be checked prior to
4104 * calling _mesa_get_current_tex_object.
4106 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4107 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4108 _mesa_lookup_enum_by_nr(target
));
4112 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4116 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4117 x
, y
, width
, 1, self
);
4123 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
4124 GLint xoffset
, GLint yoffset
,
4125 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4127 struct gl_texture_object
* texObj
;
4128 const char *self
= "glCopyTexSubImage2D";
4129 GET_CURRENT_CONTEXT(ctx
);
4131 /* Check target (proxies not allowed). Target must be checked prior to
4132 * calling _mesa_get_current_tex_object.
4134 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4135 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4136 _mesa_lookup_enum_by_nr(target
));
4140 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4144 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, target
, level
,
4145 xoffset
, yoffset
, 0,
4146 x
, y
, width
, height
, self
);
4152 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
4153 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4154 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4156 struct gl_texture_object
* texObj
;
4157 const char *self
= "glCopyTexSubImage3D";
4158 GET_CURRENT_CONTEXT(ctx
);
4160 /* Check target (proxies not allowed). Target must be checked prior to
4161 * calling _mesa_get_current_tex_object.
4163 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4164 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4165 _mesa_lookup_enum_by_nr(target
));
4169 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4173 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, target
, level
,
4174 xoffset
, yoffset
, zoffset
,
4175 x
, y
, width
, height
, self
);
4179 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4180 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4182 struct gl_texture_object
* texObj
;
4183 const char *self
= "glCopyTextureSubImage1D";
4184 GET_CURRENT_CONTEXT(ctx
);
4186 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4190 /* Check target (proxies not allowed). */
4191 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4192 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4193 _mesa_lookup_enum_by_nr(texObj
->Target
));
4197 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, texObj
->Target
, level
,
4198 xoffset
, 0, 0, x
, y
, width
, 1, self
);
4202 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4203 GLint xoffset
, GLint yoffset
,
4204 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4206 struct gl_texture_object
* texObj
;
4207 const char *self
= "glCopyTextureSubImage2D";
4208 GET_CURRENT_CONTEXT(ctx
);
4210 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4214 /* Check target (proxies not allowed). */
4215 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4216 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4217 _mesa_lookup_enum_by_nr(texObj
->Target
));
4221 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, texObj
->Target
, level
,
4222 xoffset
, yoffset
, 0,
4223 x
, y
, width
, height
, self
);
4229 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4230 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4231 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4233 struct gl_texture_object
* texObj
;
4234 const char *self
= "glCopyTextureSubImage3D";
4235 GET_CURRENT_CONTEXT(ctx
);
4237 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4241 /* Check target (proxies not allowed). */
4242 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4243 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4244 _mesa_lookup_enum_by_nr(texObj
->Target
));
4248 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4249 /* Act like CopyTexSubImage2D */
4250 _mesa_copy_texture_sub_image(ctx
, 2, texObj
,
4251 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4252 level
, xoffset
, yoffset
, 0,
4253 x
, y
, width
, height
, self
);
4256 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, texObj
->Target
, level
,
4257 xoffset
, yoffset
, zoffset
,
4258 x
, y
, width
, height
, self
);
4262 check_clear_tex_image(struct gl_context
*ctx
,
4263 const char *function
,
4264 struct gl_texture_image
*texImage
,
4265 GLenum format
, GLenum type
,
4267 GLubyte
*clearValue
)
4269 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4270 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4271 GLenum internalFormat
= texImage
->InternalFormat
;
4274 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4275 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4276 "%s(buffer texture)", function
);
4280 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4281 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4282 "%s(compressed texture)", function
);
4286 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4287 if (err
!= GL_NO_ERROR
) {
4288 _mesa_error(ctx
, err
,
4289 "%s(incompatible format = %s, type = %s)",
4291 _mesa_lookup_enum_by_nr(format
),
4292 _mesa_lookup_enum_by_nr(type
));
4296 /* make sure internal format and format basically agree */
4297 if (!texture_formats_agree(internalFormat
, format
)) {
4298 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4299 "%s(incompatible internalFormat = %s, format = %s)",
4301 _mesa_lookup_enum_by_nr(internalFormat
),
4302 _mesa_lookup_enum_by_nr(format
));
4306 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4307 /* both source and dest must be integer-valued, or neither */
4308 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4309 _mesa_is_enum_format_integer(format
)) {
4310 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4311 "%s(integer/non-integer format mismatch)",
4317 if (!_mesa_texstore(ctx
,
4319 texImage
->_BaseFormat
,
4320 texImage
->TexFormat
,
4321 0, /* dstRowStride */
4323 1, 1, 1, /* srcWidth/Height/Depth */
4325 data
? data
: zeroData
,
4326 &ctx
->DefaultPacking
)) {
4327 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4334 static struct gl_texture_object
*
4335 get_tex_obj_for_clear(struct gl_context
*ctx
,
4336 const char *function
,
4339 struct gl_texture_object
*texObj
;
4342 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(zero texture)", function
);
4346 texObj
= _mesa_lookup_texture(ctx
, texture
);
4348 if (texObj
== NULL
) {
4349 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", function
);
4353 if (texObj
->Target
== 0) {
4354 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4362 get_tex_images_for_clear(struct gl_context
*ctx
,
4363 const char *function
,
4364 struct gl_texture_object
*texObj
,
4366 struct gl_texture_image
**texImages
)
4371 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4372 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4376 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4377 for (i
= 0; i
< MAX_FACES
; i
++) {
4378 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ i
;
4380 texImages
[i
] = _mesa_select_tex_image(texObj
, target
, level
);
4381 if (texImages
[i
] == NULL
) {
4382 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4383 "%s(invalid level)", function
);
4391 texImages
[0] = _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4393 if (texImages
[0] == NULL
) {
4394 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4402 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
4403 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4404 GLsizei width
, GLsizei height
, GLsizei depth
,
4405 GLenum format
, GLenum type
, const void *data
)
4407 GET_CURRENT_CONTEXT(ctx
);
4408 struct gl_texture_object
*texObj
;
4409 struct gl_texture_image
*texImages
[MAX_FACES
];
4410 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4412 int minDepth
, maxDepth
;
4414 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4419 _mesa_lock_texture(ctx
, texObj
);
4421 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4422 texObj
, level
, texImages
);
4426 if (numImages
== 1) {
4427 minDepth
= -(int) texImages
[0]->Border
;
4428 maxDepth
= texImages
[0]->Depth
;
4431 maxDepth
= numImages
;
4434 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4435 yoffset
< -(GLint
) texImages
[0]->Border
||
4436 zoffset
< minDepth
||
4440 xoffset
+ width
> texImages
[0]->Width
||
4441 yoffset
+ height
> texImages
[0]->Height
||
4442 zoffset
+ depth
> maxDepth
) {
4443 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4444 "glClearSubTexImage(invalid dimensions)");
4448 if (numImages
== 1) {
4449 if (check_clear_tex_image(ctx
, "glClearTexSubImage",
4451 format
, type
, data
, clearValue
[0])) {
4452 ctx
->Driver
.ClearTexSubImage(ctx
,
4454 xoffset
, yoffset
, zoffset
,
4455 width
, height
, depth
,
4456 data
? clearValue
[0] : NULL
);
4459 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4460 if (!check_clear_tex_image(ctx
, "glClearTexSubImage",
4462 format
, type
, data
, clearValue
[i
]))
4465 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4466 ctx
->Driver
.ClearTexSubImage(ctx
,
4468 xoffset
, yoffset
, 0,
4470 data
? clearValue
[i
] : NULL
);
4475 _mesa_unlock_texture(ctx
, texObj
);
4479 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4480 GLenum format
, GLenum type
, const void *data
)
4482 GET_CURRENT_CONTEXT(ctx
);
4483 struct gl_texture_object
*texObj
;
4484 struct gl_texture_image
*texImages
[MAX_FACES
];
4485 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4488 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4493 _mesa_lock_texture(ctx
, texObj
);
4495 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4496 texObj
, level
, texImages
);
4498 for (i
= 0; i
< numImages
; i
++) {
4499 if (!check_clear_tex_image(ctx
, "glClearTexImage",
4506 for (i
= 0; i
< numImages
; i
++) {
4507 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4508 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4509 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4510 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4511 texImages
[i
]->Width
,
4512 texImages
[i
]->Height
,
4513 texImages
[i
]->Depth
,
4514 data
? clearValue
[i
] : NULL
);
4518 _mesa_unlock_texture(ctx
, texObj
);
4524 /**********************************************************************/
4525 /****** Compressed Textures ******/
4526 /**********************************************************************/
4530 * Target checking for glCompressedTexSubImage[123]D().
4531 * \return GL_TRUE if error, GL_FALSE if no error
4532 * Must come before other error checking so that the texture object can
4533 * be correctly retrieved using _mesa_get_current_tex_object.
4536 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4537 GLint dims
, GLenum format
, bool dsa
,
4542 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4543 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4544 _mesa_lookup_enum_by_nr(target
));
4552 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4553 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4554 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4555 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4556 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4557 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4561 targetOK
= GL_FALSE
;
4566 targetOK
= (target
== GL_TEXTURE_3D
) ||
4567 (target
== GL_TEXTURE_2D_ARRAY
) ||
4568 (target
== GL_TEXTURE_CUBE_MAP_ARRAY
) ||
4569 (target
== GL_TEXTURE_CUBE_MAP
&& dsa
);
4571 /* OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4573 * "An INVALID_OPERATION error is generated by
4574 * CompressedTex*SubImage3D if the internal format of the texture is
4575 * one of the EAC, ETC2, or RGTC formats and either border is
4576 * non-zero, or the effective target for the texture is not
4577 * TEXTURE_2D_ARRAY."
4579 if (target
!= GL_TEXTURE_2D_ARRAY
) {
4582 /* These came from _mesa_is_compressed_format in glformats.c. */
4584 case GL_COMPRESSED_RGBA8_ETC2_EAC
:
4585 case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
:
4586 case GL_COMPRESSED_R11_EAC
:
4587 case GL_COMPRESSED_RG11_EAC
:
4588 case GL_COMPRESSED_SIGNED_R11_EAC
:
4589 case GL_COMPRESSED_SIGNED_RG11_EAC
:
4591 case GL_COMPRESSED_RGB8_ETC2
:
4592 case GL_COMPRESSED_SRGB8_ETC2
:
4593 case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
4594 case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
:
4596 case GL_COMPRESSED_RED_RGTC1
:
4597 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
4598 case GL_COMPRESSED_RG_RGTC2
:
4599 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
4600 invalidformat
= true;
4603 invalidformat
= false;
4605 if (invalidformat
) {
4606 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4607 "%s(invalid target %s for format %s)", caller
,
4608 _mesa_lookup_enum_by_nr(target
),
4609 _mesa_lookup_enum_by_nr(format
));
4617 /* no 1D compressed textures at this time */
4618 targetOK
= GL_FALSE
;
4623 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4624 _mesa_lookup_enum_by_nr(target
));
4632 * Error checking for glCompressedTexSubImage[123]D().
4633 * \return GL_TRUE if error, GL_FALSE if no error
4636 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4637 const struct gl_texture_object
*texObj
,
4638 GLenum target
, GLint level
,
4639 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4640 GLsizei width
, GLsizei height
, GLsizei depth
,
4641 GLenum format
, GLsizei imageSize
,
4642 const GLvoid
*data
, const char *callerName
)
4644 struct gl_texture_image
*texImage
;
4647 /* this will catch any invalid compressed format token */
4648 if (!_mesa_is_compressed_format(ctx
, format
)) {
4649 _mesa_error(ctx
, GL_INVALID_ENUM
,
4650 "%s(format)", callerName
);
4654 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4655 _mesa_error(ctx
, GL_INVALID_VALUE
,
4661 /* validate the bound PBO, if any */
4662 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4663 imageSize
, data
, callerName
)) {
4667 /* Check for invalid pixel storage modes */
4668 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4669 &ctx
->Unpack
, callerName
)) {
4673 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4674 if (expectedSize
!= imageSize
) {
4675 _mesa_error(ctx
, GL_INVALID_VALUE
,
4677 callerName
, imageSize
);
4681 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4683 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4684 "%s(invalid texture image)",
4689 if ((GLint
) format
!= texImage
->InternalFormat
) {
4690 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4692 callerName
, format
);
4696 if (compressedteximage_only_format(ctx
, format
)) {
4697 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4698 "%s(format=0x%x cannot be updated)",
4699 callerName
, format
);
4703 if (error_check_subtexture_dimensions(ctx
, dims
,
4704 texImage
, xoffset
, yoffset
, zoffset
,
4705 width
, height
, depth
,
4715 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4716 GLenum internalFormat
, GLsizei width
,
4717 GLint border
, GLsizei imageSize
,
4720 GET_CURRENT_CONTEXT(ctx
);
4721 teximage(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4722 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4727 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4728 GLenum internalFormat
, GLsizei width
,
4729 GLsizei height
, GLint border
, GLsizei imageSize
,
4732 GET_CURRENT_CONTEXT(ctx
);
4733 teximage(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4734 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4739 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4740 GLenum internalFormat
, GLsizei width
,
4741 GLsizei height
, GLsizei depth
, GLint border
,
4742 GLsizei imageSize
, const GLvoid
*data
)
4744 GET_CURRENT_CONTEXT(ctx
);
4745 teximage(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
,
4746 width
, height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4751 * Common helper for glCompressedTexSubImage1/2/3D() and
4752 * glCompressedTextureSubImage1/2/3D().
4755 _mesa_compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4756 struct gl_texture_object
*texObj
,
4757 struct gl_texture_image
*texImage
,
4758 GLenum target
, GLint level
,
4759 GLint xoffset
, GLint yoffset
,
4761 GLsizei width
, GLsizei height
,
4763 GLenum format
, GLsizei imageSize
,
4766 FLUSH_VERTICES(ctx
, 0);
4768 _mesa_lock_texture(ctx
, texObj
);
4770 if (width
> 0 && height
> 0 && depth
> 0) {
4771 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4772 xoffset
, yoffset
, zoffset
,
4773 width
, height
, depth
,
4774 format
, imageSize
, data
);
4776 check_gen_mipmap(ctx
, target
, texObj
, level
);
4778 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4779 * the texel data, not the texture format, size, etc.
4783 _mesa_unlock_texture(ctx
, texObj
);
4788 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
4789 GLsizei width
, GLenum format
,
4790 GLsizei imageSize
, const GLvoid
*data
)
4792 struct gl_texture_object
*texObj
;
4793 struct gl_texture_image
*texImage
;
4795 GET_CURRENT_CONTEXT(ctx
);
4797 if (compressed_subtexture_target_check(ctx
, target
, 1, format
, false,
4798 "glCompressedTexSubImage1D")) {
4802 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4806 if (compressed_subtexture_error_check(ctx
, 1, texObj
, target
,
4807 level
, xoffset
, 0, 0,
4809 format
, imageSize
, data
,
4810 "glCompressedTexSubImage1D")) {
4814 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4817 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
, target
, level
,
4818 xoffset
, 0, 0, width
, 1, 1,
4819 format
, imageSize
, data
);
4823 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
4824 GLsizei width
, GLenum format
,
4825 GLsizei imageSize
, const GLvoid
*data
)
4827 struct gl_texture_object
*texObj
;
4828 struct gl_texture_image
*texImage
;
4830 GET_CURRENT_CONTEXT(ctx
);
4832 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4833 "glCompressedTextureSubImage1D");
4837 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 1, format
,
4839 "glCompressedTextureSubImage1D")) {
4843 if (compressed_subtexture_error_check(ctx
, 1, texObj
, texObj
->Target
,
4844 level
, xoffset
, 0, 0,
4846 format
, imageSize
, data
,
4847 "glCompressedTextureSubImage1D")) {
4851 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4854 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
,
4855 texObj
->Target
, level
,
4856 xoffset
, 0, 0, width
, 1, 1,
4857 format
, imageSize
, data
);
4862 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
4863 GLint yoffset
, GLsizei width
, GLsizei height
,
4864 GLenum format
, GLsizei imageSize
,
4867 struct gl_texture_object
*texObj
;
4868 struct gl_texture_image
*texImage
;
4870 GET_CURRENT_CONTEXT(ctx
);
4872 if (compressed_subtexture_target_check(ctx
, target
, 2, format
, false,
4873 "glCompressedTexSubImage2D")) {
4877 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4881 if (compressed_subtexture_error_check(ctx
, 2, texObj
, target
,
4882 level
, xoffset
, yoffset
, 0,
4884 format
, imageSize
, data
,
4885 "glCompressedTexSubImage2D")) {
4890 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4893 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
, target
, level
,
4894 xoffset
, yoffset
, 0, width
, height
, 1,
4895 format
, imageSize
, data
);
4899 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
4901 GLsizei width
, GLsizei height
,
4902 GLenum format
, GLsizei imageSize
,
4905 struct gl_texture_object
*texObj
;
4906 struct gl_texture_image
*texImage
;
4908 GET_CURRENT_CONTEXT(ctx
);
4910 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4911 "glCompressedTextureSubImage2D");
4915 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 2, format
,
4917 "glCompressedTextureSubImage2D")) {
4921 if (compressed_subtexture_error_check(ctx
, 2, texObj
, texObj
->Target
,
4922 level
, xoffset
, yoffset
, 0,
4924 format
, imageSize
, data
,
4925 "glCompressedTextureSubImage2D")) {
4929 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4932 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
,
4933 texObj
->Target
, level
,
4934 xoffset
, yoffset
, 0, width
, height
, 1,
4935 format
, imageSize
, data
);
4939 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
4940 GLint yoffset
, GLint zoffset
, GLsizei width
,
4941 GLsizei height
, GLsizei depth
, GLenum format
,
4942 GLsizei imageSize
, const GLvoid
*data
)
4944 struct gl_texture_object
*texObj
;
4945 struct gl_texture_image
*texImage
;
4947 GET_CURRENT_CONTEXT(ctx
);
4949 if (compressed_subtexture_target_check(ctx
, target
, 3, format
, false,
4950 "glCompressedTexSubImage3D")) {
4954 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4958 if (compressed_subtexture_error_check(ctx
, 3, texObj
, target
,
4959 level
, xoffset
, yoffset
, zoffset
,
4960 width
, height
, depth
,
4961 format
, imageSize
, data
,
4962 "glCompressedTexSubImage3D")) {
4967 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4970 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
, target
, level
,
4971 xoffset
, yoffset
, zoffset
,
4972 width
, height
, depth
,
4973 format
, imageSize
, data
);
4977 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
4978 GLint yoffset
, GLint zoffset
, GLsizei width
,
4979 GLsizei height
, GLsizei depth
,
4980 GLenum format
, GLsizei imageSize
,
4983 struct gl_texture_object
*texObj
;
4984 struct gl_texture_image
*texImage
;
4986 GET_CURRENT_CONTEXT(ctx
);
4988 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4989 "glCompressedTextureSubImage3D");
4993 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 3, format
,
4995 "glCompressedTextureSubImage3D")) {
4999 if (compressed_subtexture_error_check(ctx
, 3, texObj
, texObj
->Target
,
5000 level
, xoffset
, yoffset
, zoffset
,
5001 width
, height
, depth
,
5002 format
, imageSize
, data
,
5003 "glCompressedTextureSubImage3D")) {
5007 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5008 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5009 const char *pixels
= data
;
5013 /* Make sure the texture object is a proper cube.
5014 * (See texturesubimage in teximage.c for details on why this check is
5017 if (!_mesa_cube_level_complete(texObj
, level
)) {
5018 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5019 "glCompressedTextureSubImage3D(cube map incomplete)");
5023 /* Copy in each face. */
5024 for (i
= 0; i
< 6; ++i
) {
5025 texImage
= texObj
->Image
[i
][level
];
5028 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5029 texObj
->Target
, level
,
5030 xoffset
, yoffset
, zoffset
,
5032 format
, imageSize
, pixels
);
5034 /* Compressed images don't have a client format */
5035 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5037 texImage
->Height
, 1);
5039 pixels
+= image_stride
;
5040 imageSize
-= image_stride
;
5044 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
5047 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5048 texObj
->Target
, level
,
5049 xoffset
, yoffset
, zoffset
,
5050 width
, height
, depth
,
5051 format
, imageSize
, data
);
5056 get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5058 if (ctx
->API
!= API_OPENGL_CORE
) {
5059 switch (internalFormat
) {
5061 return MESA_FORMAT_A_UNORM8
;
5063 return MESA_FORMAT_A_UNORM16
;
5064 case GL_ALPHA16F_ARB
:
5065 return MESA_FORMAT_A_FLOAT16
;
5066 case GL_ALPHA32F_ARB
:
5067 return MESA_FORMAT_A_FLOAT32
;
5068 case GL_ALPHA8I_EXT
:
5069 return MESA_FORMAT_A_SINT8
;
5070 case GL_ALPHA16I_EXT
:
5071 return MESA_FORMAT_A_SINT16
;
5072 case GL_ALPHA32I_EXT
:
5073 return MESA_FORMAT_A_SINT32
;
5074 case GL_ALPHA8UI_EXT
:
5075 return MESA_FORMAT_A_UINT8
;
5076 case GL_ALPHA16UI_EXT
:
5077 return MESA_FORMAT_A_UINT16
;
5078 case GL_ALPHA32UI_EXT
:
5079 return MESA_FORMAT_A_UINT32
;
5081 return MESA_FORMAT_L_UNORM8
;
5082 case GL_LUMINANCE16
:
5083 return MESA_FORMAT_L_UNORM16
;
5084 case GL_LUMINANCE16F_ARB
:
5085 return MESA_FORMAT_L_FLOAT16
;
5086 case GL_LUMINANCE32F_ARB
:
5087 return MESA_FORMAT_L_FLOAT32
;
5088 case GL_LUMINANCE8I_EXT
:
5089 return MESA_FORMAT_L_SINT8
;
5090 case GL_LUMINANCE16I_EXT
:
5091 return MESA_FORMAT_L_SINT16
;
5092 case GL_LUMINANCE32I_EXT
:
5093 return MESA_FORMAT_L_SINT32
;
5094 case GL_LUMINANCE8UI_EXT
:
5095 return MESA_FORMAT_L_UINT8
;
5096 case GL_LUMINANCE16UI_EXT
:
5097 return MESA_FORMAT_L_UINT16
;
5098 case GL_LUMINANCE32UI_EXT
:
5099 return MESA_FORMAT_L_UINT32
;
5100 case GL_LUMINANCE8_ALPHA8
:
5101 return MESA_FORMAT_L8A8_UNORM
;
5102 case GL_LUMINANCE16_ALPHA16
:
5103 return MESA_FORMAT_L16A16_UNORM
;
5104 case GL_LUMINANCE_ALPHA16F_ARB
:
5105 return MESA_FORMAT_LA_FLOAT16
;
5106 case GL_LUMINANCE_ALPHA32F_ARB
:
5107 return MESA_FORMAT_LA_FLOAT32
;
5108 case GL_LUMINANCE_ALPHA8I_EXT
:
5109 return MESA_FORMAT_LA_SINT8
;
5110 case GL_LUMINANCE_ALPHA16I_EXT
:
5111 return MESA_FORMAT_LA_SINT16
;
5112 case GL_LUMINANCE_ALPHA32I_EXT
:
5113 return MESA_FORMAT_LA_SINT32
;
5114 case GL_LUMINANCE_ALPHA8UI_EXT
:
5115 return MESA_FORMAT_LA_UINT8
;
5116 case GL_LUMINANCE_ALPHA16UI_EXT
:
5117 return MESA_FORMAT_LA_UINT16
;
5118 case GL_LUMINANCE_ALPHA32UI_EXT
:
5119 return MESA_FORMAT_LA_UINT32
;
5121 return MESA_FORMAT_I_UNORM8
;
5122 case GL_INTENSITY16
:
5123 return MESA_FORMAT_I_UNORM16
;
5124 case GL_INTENSITY16F_ARB
:
5125 return MESA_FORMAT_I_FLOAT16
;
5126 case GL_INTENSITY32F_ARB
:
5127 return MESA_FORMAT_I_FLOAT32
;
5128 case GL_INTENSITY8I_EXT
:
5129 return MESA_FORMAT_I_SINT8
;
5130 case GL_INTENSITY16I_EXT
:
5131 return MESA_FORMAT_I_SINT16
;
5132 case GL_INTENSITY32I_EXT
:
5133 return MESA_FORMAT_I_SINT32
;
5134 case GL_INTENSITY8UI_EXT
:
5135 return MESA_FORMAT_I_UINT8
;
5136 case GL_INTENSITY16UI_EXT
:
5137 return MESA_FORMAT_I_UINT16
;
5138 case GL_INTENSITY32UI_EXT
:
5139 return MESA_FORMAT_I_UINT32
;
5145 if (ctx
->API
== API_OPENGL_CORE
&&
5146 ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5147 switch (internalFormat
) {
5149 return MESA_FORMAT_RGB_FLOAT32
;
5151 return MESA_FORMAT_RGB_UINT32
;
5153 return MESA_FORMAT_RGB_SINT32
;
5159 switch (internalFormat
) {
5161 return MESA_FORMAT_R8G8B8A8_UNORM
;
5163 return MESA_FORMAT_RGBA_UNORM16
;
5164 case GL_RGBA16F_ARB
:
5165 return MESA_FORMAT_RGBA_FLOAT16
;
5166 case GL_RGBA32F_ARB
:
5167 return MESA_FORMAT_RGBA_FLOAT32
;
5169 return MESA_FORMAT_RGBA_SINT8
;
5170 case GL_RGBA16I_EXT
:
5171 return MESA_FORMAT_RGBA_SINT16
;
5172 case GL_RGBA32I_EXT
:
5173 return MESA_FORMAT_RGBA_SINT32
;
5174 case GL_RGBA8UI_EXT
:
5175 return MESA_FORMAT_RGBA_UINT8
;
5176 case GL_RGBA16UI_EXT
:
5177 return MESA_FORMAT_RGBA_UINT16
;
5178 case GL_RGBA32UI_EXT
:
5179 return MESA_FORMAT_RGBA_UINT32
;
5182 return MESA_FORMAT_R8G8_UNORM
;
5184 return MESA_FORMAT_R16G16_UNORM
;
5186 return MESA_FORMAT_RG_FLOAT16
;
5188 return MESA_FORMAT_RG_FLOAT32
;
5190 return MESA_FORMAT_RG_SINT8
;
5192 return MESA_FORMAT_RG_SINT16
;
5194 return MESA_FORMAT_RG_SINT32
;
5196 return MESA_FORMAT_RG_UINT8
;
5198 return MESA_FORMAT_RG_UINT16
;
5200 return MESA_FORMAT_RG_UINT32
;
5203 return MESA_FORMAT_R_UNORM8
;
5205 return MESA_FORMAT_R_UNORM16
;
5207 return MESA_FORMAT_R_FLOAT16
;
5209 return MESA_FORMAT_R_FLOAT32
;
5211 return MESA_FORMAT_R_SINT8
;
5213 return MESA_FORMAT_R_SINT16
;
5215 return MESA_FORMAT_R_SINT32
;
5217 return MESA_FORMAT_R_UINT8
;
5219 return MESA_FORMAT_R_UINT16
;
5221 return MESA_FORMAT_R_UINT32
;
5224 return MESA_FORMAT_NONE
;
5230 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5231 GLenum internalFormat
)
5233 mesa_format format
= get_texbuffer_format(ctx
, internalFormat
);
5236 if (format
== MESA_FORMAT_NONE
)
5237 return MESA_FORMAT_NONE
;
5239 datatype
= _mesa_get_format_datatype(format
);
5241 /* The GL_ARB_texture_buffer_object spec says:
5243 * "If ARB_texture_float is not supported, references to the
5244 * floating-point internal formats provided by that extension should be
5245 * removed, and such formats may not be passed to TexBufferARB."
5247 * As a result, GL_HALF_FLOAT internal format depends on both
5248 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5250 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5251 !ctx
->Extensions
.ARB_texture_float
)
5252 return MESA_FORMAT_NONE
;
5254 if (!ctx
->Extensions
.ARB_texture_rg
) {
5255 GLenum base_format
= _mesa_get_format_base_format(format
);
5256 if (base_format
== GL_R
|| base_format
== GL_RG
)
5257 return MESA_FORMAT_NONE
;
5260 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5261 GLenum base_format
= _mesa_get_format_base_format(format
);
5262 if (base_format
== GL_RGB
)
5263 return MESA_FORMAT_NONE
;
5270 _mesa_texture_buffer_range(struct gl_context
*ctx
,
5271 struct gl_texture_object
*texObj
,
5272 GLenum internalFormat
,
5273 struct gl_buffer_object
*bufObj
,
5274 GLintptr offset
, GLsizeiptr size
,
5279 /* NOTE: ARB_texture_buffer_object has interactions with
5280 * the compatibility profile that are not implemented.
5282 if (!(ctx
->API
== API_OPENGL_CORE
&&
5283 ctx
->Extensions
.ARB_texture_buffer_object
)) {
5284 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5285 "%s(ARB_texture_buffer_object is not"
5286 " implemented for the compatibility profile)", caller
);
5290 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5291 if (format
== MESA_FORMAT_NONE
) {
5292 _mesa_error(ctx
, GL_INVALID_ENUM
,
5293 "%s(internalFormat 0x%x)", caller
, internalFormat
);
5297 FLUSH_VERTICES(ctx
, 0);
5299 _mesa_lock_texture(ctx
, texObj
);
5301 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5302 texObj
->BufferObjectFormat
= internalFormat
;
5303 texObj
->_BufferObjectFormat
= format
;
5304 texObj
->BufferOffset
= offset
;
5305 texObj
->BufferSize
= size
;
5307 _mesa_unlock_texture(ctx
, texObj
);
5309 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5312 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5318 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5319 * Return true if it is, and return false if it is not
5320 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5321 * core spec, 02.02.2015, PDF page 245).
5324 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5327 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5328 _mesa_error(ctx
, GL_INVALID_ENUM
,
5329 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5337 * Check for errors related to the texture buffer range.
5338 * Return false if errors are found, true if none are found.
5341 check_texture_buffer_range(struct gl_context
*ctx
,
5342 struct gl_buffer_object
*bufObj
,
5343 GLintptr offset
, GLsizeiptr size
,
5346 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5347 * Textures (PDF page 245):
5348 * "An INVALID_VALUE error is generated if offset is negative, if
5349 * size is less than or equal to zero, or if offset + size is greater
5350 * than the value of BUFFER_SIZE for the buffer bound to target."
5353 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5359 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5364 if (offset
+ size
> bufObj
->Size
) {
5365 _mesa_error(ctx
, GL_INVALID_VALUE
,
5366 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5367 (int) offset
, (int) size
, (int) bufObj
->Size
);
5371 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5372 * Textures (PDF page 245):
5373 * "An INVALID_VALUE error is generated if offset is not an integer
5374 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5376 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5377 _mesa_error(ctx
, GL_INVALID_VALUE
,
5378 "%s(invalid offset alignment)", caller
);
5386 /** GL_ARB_texture_buffer_object */
5388 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5390 struct gl_texture_object
*texObj
;
5391 struct gl_buffer_object
*bufObj
;
5393 GET_CURRENT_CONTEXT(ctx
);
5395 /* Need to catch a bad target before it gets to
5396 * _mesa_get_current_tex_object.
5398 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5402 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5408 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5412 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5413 buffer
? -1 : 0, "glTexBuffer");
5417 /** GL_ARB_texture_buffer_range */
5419 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5420 GLintptr offset
, GLsizeiptr size
)
5422 struct gl_texture_object
*texObj
;
5423 struct gl_buffer_object
*bufObj
;
5425 GET_CURRENT_CONTEXT(ctx
);
5427 /* Need to catch a bad target before it gets to
5428 * _mesa_get_current_tex_object.
5430 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5434 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5438 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5439 "glTexBufferRange"))
5444 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5445 * Textures (PDF page 254):
5446 * "If buffer is zero, then any buffer object attached to the buffer
5447 * texture is detached, the values offset and size are ignored and
5448 * the state for offset and size for the buffer texture are reset to
5456 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5460 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5461 offset
, size
, "glTexBufferRange");
5465 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5467 struct gl_texture_object
*texObj
;
5468 struct gl_buffer_object
*bufObj
;
5470 GET_CURRENT_CONTEXT(ctx
);
5473 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5479 /* Get the texture object by Name. */
5480 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5484 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5487 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5488 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5492 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5493 GLintptr offset
, GLsizeiptr size
)
5495 struct gl_texture_object
*texObj
;
5496 struct gl_buffer_object
*bufObj
;
5498 GET_CURRENT_CONTEXT(ctx
);
5501 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5502 "glTextureBufferRange");
5506 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5507 "glTextureBufferRange"))
5512 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5513 * Textures (PDF page 254):
5514 * "If buffer is zero, then any buffer object attached to the buffer
5515 * texture is detached, the values offset and size are ignored and
5516 * the state for offset and size for the buffer texture are reset to
5524 /* Get the texture object by Name. */
5525 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5529 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5530 "glTextureBufferRange"))
5533 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5534 bufObj
, offset
, size
, "glTextureBufferRange");
5538 is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5540 /* Everything that is allowed for renderbuffers,
5541 * except for a base format of GL_STENCIL_INDEX.
5543 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5544 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5548 /** GL_ARB_texture_multisample */
5550 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5553 case GL_TEXTURE_2D_MULTISAMPLE
:
5555 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5556 return dims
== 2 && !dsa
;
5558 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5560 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5561 return dims
== 3 && !dsa
;
5570 _mesa_texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5571 struct gl_texture_object
*texObj
,
5572 GLenum target
, GLsizei samples
,
5573 GLint internalformat
, GLsizei width
,
5574 GLsizei height
, GLsizei depth
,
5575 GLboolean fixedsamplelocations
,
5576 GLboolean immutable
, const char *func
)
5578 struct gl_texture_image
*texImage
;
5579 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5580 mesa_format texFormat
;
5581 GLenum sample_count_error
;
5582 bool dsa
= strstr(func
, "ture") ? true : false;
5584 if (!(ctx
->Extensions
.ARB_texture_multisample
5585 && _mesa_is_desktop_gl(ctx
))) {
5586 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5590 if (!check_multisample_target(dims
, target
, dsa
)) {
5592 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5596 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5601 /* check that the specified internalformat is color/depth/stencil-renderable;
5602 * refer GL3.1 spec 4.4.4
5605 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5606 _mesa_error(ctx
, GL_INVALID_ENUM
,
5607 "%s(internalformat=%s not legal for immutable-format)",
5608 func
, _mesa_lookup_enum_by_nr(internalformat
));
5612 if (!is_renderable_texture_format(ctx
, internalformat
)) {
5613 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5614 "%s(internalformat=%s)",
5615 func
, _mesa_lookup_enum_by_nr(internalformat
));
5619 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5620 internalformat
, samples
);
5621 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5623 /* Page 254 of OpenGL 4.4 spec says:
5624 * "Proxy arrays for two-dimensional multisample and two-dimensional
5625 * multisample array textures are operated on in the same way when
5626 * TexImage2DMultisample is called with target specified as
5627 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5628 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5629 * However, if samples is not supported, then no error is generated.
5631 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5632 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5636 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5637 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5638 "%s(texture object 0)",
5643 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5645 if (texImage
== NULL
) {
5646 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5650 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5651 internalformat
, GL_NONE
, GL_NONE
);
5652 assert(texFormat
!= MESA_FORMAT_NONE
);
5654 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5655 width
, height
, depth
, 0);
5657 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, texFormat
,
5658 width
, height
, depth
, 0);
5660 if (_mesa_is_proxy_texture(target
)) {
5661 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5662 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5663 internalformat
, texFormat
,
5664 samples
, fixedsamplelocations
);
5667 /* clear all image fields */
5668 clear_teximage_fields(texImage
);
5672 if (!dimensionsOK
) {
5673 _mesa_error(ctx
, GL_INVALID_VALUE
,
5674 "%s(invalid width or height)", func
);
5679 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
5680 "%s(texture too large)", func
);
5684 /* Check if texObj->Immutable is set */
5685 if (texObj
->Immutable
) {
5686 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5690 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5692 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5693 internalformat
, texFormat
,
5694 samples
, fixedsamplelocations
);
5696 if (width
> 0 && height
> 0 && depth
> 0) {
5697 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5698 width
, height
, depth
)) {
5699 /* tidy up the texture image state. strictly speaking,
5700 * we're allowed to just leave this in whatever state we
5701 * like, but being tidy is good.
5703 _mesa_init_teximage_fields(ctx
, texImage
,
5704 0, 0, 0, 0, GL_NONE
, MESA_FORMAT_NONE
);
5708 texObj
->Immutable
|= immutable
;
5711 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5714 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5720 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5721 GLenum internalformat
, GLsizei width
,
5722 GLsizei height
, GLboolean fixedsamplelocations
)
5724 struct gl_texture_object
*texObj
;
5725 GET_CURRENT_CONTEXT(ctx
);
5727 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5731 _mesa_texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5732 internalformat
, width
, height
, 1,
5733 fixedsamplelocations
, GL_FALSE
,
5734 "glTexImage2DMultisample");
5739 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5740 GLenum internalformat
, GLsizei width
,
5741 GLsizei height
, GLsizei depth
,
5742 GLboolean fixedsamplelocations
)
5744 struct gl_texture_object
*texObj
;
5745 GET_CURRENT_CONTEXT(ctx
);
5747 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5751 _mesa_texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5752 internalformat
, width
, height
, depth
,
5753 fixedsamplelocations
, GL_FALSE
,
5754 "glTexImage3DMultisample");
5759 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5760 GLenum internalformat
, GLsizei width
,
5761 GLsizei height
, GLboolean fixedsamplelocations
)
5763 struct gl_texture_object
*texObj
;
5764 GET_CURRENT_CONTEXT(ctx
);
5766 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5770 _mesa_texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5771 internalformat
, width
, height
, 1,
5772 fixedsamplelocations
, GL_TRUE
,
5773 "glTexStorage2DMultisample");
5777 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5778 GLenum internalformat
, GLsizei width
,
5779 GLsizei height
, GLsizei depth
,
5780 GLboolean fixedsamplelocations
)
5782 struct gl_texture_object
*texObj
;
5783 GET_CURRENT_CONTEXT(ctx
);
5785 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5789 _mesa_texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5790 internalformat
, width
, height
, depth
,
5791 fixedsamplelocations
, GL_TRUE
,
5792 "glTexStorage3DMultisample");
5796 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5797 GLenum internalformat
, GLsizei width
,
5799 GLboolean fixedsamplelocations
)
5801 struct gl_texture_object
*texObj
;
5802 GET_CURRENT_CONTEXT(ctx
);
5804 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5805 "glTextureStorage2DMultisample");
5809 _mesa_texture_image_multisample(ctx
, 2, texObj
, texObj
->Target
, samples
,
5810 internalformat
, width
, height
, 1,
5811 fixedsamplelocations
, GL_TRUE
,
5812 "glTextureStorage2DMultisample");
5816 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
5817 GLenum internalformat
, GLsizei width
,
5818 GLsizei height
, GLsizei depth
,
5819 GLboolean fixedsamplelocations
)
5821 struct gl_texture_object
*texObj
;
5822 GET_CURRENT_CONTEXT(ctx
);
5824 /* Get the texture object by Name. */
5825 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5826 "glTextureStorage3DMultisample");
5830 _mesa_texture_image_multisample(ctx
, 3, texObj
, texObj
->Target
, samples
,
5831 internalformat
, width
, height
, depth
,
5832 fixedsamplelocations
, GL_TRUE
,
5833 "glTextureStorage3DMultisample");