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
) || _mesa_is_gles31(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
:
1788 /* Writes to an GL error pointer if non-null and returns whether or not the
1789 * error is GL_NO_ERROR */
1791 write_error(GLenum
*err_ptr
, GLenum error
)
1796 return error
== GL_NO_ERROR
;
1800 * Helper function to determine whether a target and specific compression
1801 * format are supported. The error parameter returns GL_NO_ERROR if the
1802 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1803 * or GL_INVALID_ENUM, whichever is more appropriate.
1806 _mesa_target_can_be_compressed(const struct gl_context
*ctx
, GLenum target
,
1807 GLenum intFormat
, GLenum
*error
)
1809 GLboolean target_can_be_compresed
= GL_FALSE
;
1810 mesa_format format
= _mesa_glenum_to_compressed_format(intFormat
);
1811 enum mesa_format_layout layout
= _mesa_get_format_layout(format
);
1815 case GL_PROXY_TEXTURE_2D
:
1816 target_can_be_compresed
= GL_TRUE
; /* true for any compressed format so far */
1818 case GL_PROXY_TEXTURE_CUBE_MAP
:
1819 case GL_TEXTURE_CUBE_MAP
:
1820 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1821 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1822 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1823 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1824 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1825 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1826 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map
;
1828 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1829 case GL_TEXTURE_2D_ARRAY_EXT
:
1830 target_can_be_compresed
= ctx
->Extensions
.EXT_texture_array
;
1832 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1833 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1834 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1836 * "The ETC2/EAC texture compression algorithm supports only
1837 * two-dimensional images. If internalformat is an ETC2/EAC format,
1838 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1839 * target is not TEXTURE_2D_ARRAY."
1841 * This should also be applicable for glTexStorage3D(). Other available
1842 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1844 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
))
1845 return write_error(error
, GL_INVALID_OPERATION
);
1847 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_cube_map_array
;
1851 /* See ETC2/EAC comment in switch case GL_TEXTURE_CUBE_MAP_ARRAY. */
1852 if (layout
== MESA_FORMAT_LAYOUT_ETC2
&& _mesa_is_gles3(ctx
))
1853 return write_error(error
, GL_INVALID_OPERATION
);
1855 if (layout
== MESA_FORMAT_LAYOUT_BPTC
) {
1856 target_can_be_compresed
= ctx
->Extensions
.ARB_texture_compression_bptc
;
1864 return write_error(error
,
1865 target_can_be_compresed
? GL_NO_ERROR
: GL_INVALID_ENUM
);
1870 * Check if the given texture target value is legal for a
1871 * glTexImage1/2/3D call.
1874 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1880 case GL_PROXY_TEXTURE_1D
:
1881 return _mesa_is_desktop_gl(ctx
);
1889 case GL_PROXY_TEXTURE_2D
:
1890 return _mesa_is_desktop_gl(ctx
);
1891 case GL_PROXY_TEXTURE_CUBE_MAP
:
1892 return _mesa_is_desktop_gl(ctx
)
1893 && ctx
->Extensions
.ARB_texture_cube_map
;
1894 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1895 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1896 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1897 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1898 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1899 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1900 return ctx
->Extensions
.ARB_texture_cube_map
;
1901 case GL_TEXTURE_RECTANGLE_NV
:
1902 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1903 return _mesa_is_desktop_gl(ctx
)
1904 && ctx
->Extensions
.NV_texture_rectangle
;
1905 case GL_TEXTURE_1D_ARRAY_EXT
:
1906 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1907 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1915 case GL_PROXY_TEXTURE_3D
:
1916 return _mesa_is_desktop_gl(ctx
);
1917 case GL_TEXTURE_2D_ARRAY_EXT
:
1918 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1919 || _mesa_is_gles3(ctx
);
1920 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1921 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1922 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1923 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1924 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1929 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1936 * Check if the given texture target value is legal for a
1937 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1938 * The difference compared to legal_teximage_target() above is that
1939 * proxy targets are not supported.
1942 legal_texsubimage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
,
1947 return _mesa_is_desktop_gl(ctx
) && target
== GL_TEXTURE_1D
;
1952 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1953 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1954 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1955 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1956 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1957 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1958 return ctx
->Extensions
.ARB_texture_cube_map
;
1959 case GL_TEXTURE_RECTANGLE_NV
:
1960 return _mesa_is_desktop_gl(ctx
)
1961 && ctx
->Extensions
.NV_texture_rectangle
;
1962 case GL_TEXTURE_1D_ARRAY_EXT
:
1963 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
;
1971 case GL_TEXTURE_2D_ARRAY_EXT
:
1972 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
1973 || _mesa_is_gles3(ctx
);
1974 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1975 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1976 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1978 /* Table 8.15 of the OpenGL 4.5 core profile spec
1979 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1980 * and CopyTextureSubImage3D.
1982 case GL_TEXTURE_CUBE_MAP
:
1988 _mesa_problem(ctx
, "invalid dims=%u in legal_texsubimage_target()",
1996 * Helper function to determine if a texture object is mutable (in terms
1997 * of GL_ARB_texture_storage).
2000 mutable_tex_object(struct gl_context
*ctx
, GLenum target
)
2002 struct gl_texture_object
*texObj
= _mesa_get_current_tex_object(ctx
, target
);
2006 return !texObj
->Immutable
;
2011 * Return expected size of a compressed texture.
2014 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
2017 mesa_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
2018 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
2022 * Verify that a texture format is valid with a particular target
2024 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
2025 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
2028 * \param ctx GL context
2029 * \param target Texture target
2030 * \param internalFormat Internal format of the texture image
2031 * \param dimensions Dimensionality at the caller. This is \b not used
2032 * in the validation. It is only used when logging
2034 * \param caller Base name of the calling function (e.g.,
2035 * "glTexImage" or "glTexStorage").
2037 * \returns true if the combination is legal, false otherwise.
2040 _mesa_legal_texture_base_format_for_target(struct gl_context
*ctx
,
2041 GLenum target
, GLenum internalFormat
,
2042 unsigned dimensions
,
2045 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
2046 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_STENCIL
2047 || _mesa_base_tex_format(ctx
, internalFormat
) == GL_STENCIL_INDEX
) {
2048 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
2049 * Profile spec says:
2051 * "Textures with a base internal format of DEPTH_COMPONENT or
2052 * DEPTH_STENCIL are supported by texture image specification
2053 * commands only if target is TEXTURE_1D, TEXTURE_2D,
2054 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
2055 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
2056 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
2057 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
2058 * formats in conjunction with any other target will result in an
2059 * INVALID_OPERATION error."
2061 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
2062 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
2064 if (target
!= GL_TEXTURE_1D
&&
2065 target
!= GL_PROXY_TEXTURE_1D
&&
2066 target
!= GL_TEXTURE_2D
&&
2067 target
!= GL_PROXY_TEXTURE_2D
&&
2068 target
!= GL_TEXTURE_1D_ARRAY
&&
2069 target
!= GL_PROXY_TEXTURE_1D_ARRAY
&&
2070 target
!= GL_TEXTURE_2D_ARRAY
&&
2071 target
!= GL_PROXY_TEXTURE_2D_ARRAY
&&
2072 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
2073 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
&&
2074 !((_mesa_is_cube_face(target
) ||
2075 target
== GL_TEXTURE_CUBE_MAP
||
2076 target
== GL_PROXY_TEXTURE_CUBE_MAP
) &&
2077 (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
2078 || (ctx
->API
== API_OPENGLES2
&& ctx
->Extensions
.OES_depth_texture_cube_map
))) &&
2079 !((target
== GL_TEXTURE_CUBE_MAP_ARRAY
||
2080 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
) &&
2081 ctx
->Extensions
.ARB_texture_cube_map_array
)) {
2082 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2083 "%s%dD(bad target for depth texture)",
2084 caller
, dimensions
);
2093 texture_formats_agree(GLenum internalFormat
,
2096 GLboolean colorFormat
;
2097 GLboolean is_format_depth_or_depthstencil
;
2098 GLboolean is_internalFormat_depth_or_depthstencil
;
2100 /* Even though there are no color-index textures, we still have to support
2101 * uploading color-index data and remapping it to RGB via the
2102 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
2104 const GLboolean indexFormat
= (format
== GL_COLOR_INDEX
);
2106 is_internalFormat_depth_or_depthstencil
=
2107 _mesa_is_depth_format(internalFormat
) ||
2108 _mesa_is_depthstencil_format(internalFormat
);
2110 is_format_depth_or_depthstencil
=
2111 _mesa_is_depth_format(format
) ||
2112 _mesa_is_depthstencil_format(format
);
2114 colorFormat
= _mesa_is_color_format(format
);
2116 if (_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
)
2119 if (is_internalFormat_depth_or_depthstencil
!=
2120 is_format_depth_or_depthstencil
)
2123 if (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
))
2130 * Test the combination of format, type and internal format arguments of
2131 * different texture operations on GLES.
2133 * \param ctx GL context.
2134 * \param format pixel data format given by the user.
2135 * \param type pixel data type given by the user.
2136 * \param internalFormat internal format given by the user.
2137 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2138 * \param callerName name of the caller function to print in the error message
2140 * \return true if a error is found, false otherwise
2142 * Currently, it is used by texture_error_check() and texsubimage_error_check().
2145 texture_format_error_check_gles(struct gl_context
*ctx
, GLenum format
,
2146 GLenum type
, GLenum internalFormat
,
2147 GLuint dimensions
, const char *callerName
)
2151 if (_mesa_is_gles3(ctx
)) {
2152 err
= _mesa_es3_error_check_format_and_type(ctx
, format
, type
,
2154 if (err
!= GL_NO_ERROR
) {
2155 _mesa_error(ctx
, err
,
2156 "%s(format = %s, type = %s, internalformat = %s)",
2157 callerName
, _mesa_enum_to_string(format
),
2158 _mesa_enum_to_string(type
),
2159 _mesa_enum_to_string(internalFormat
));
2164 err
= _mesa_es_error_check_format_and_type(format
, type
, dimensions
);
2165 if (err
!= GL_NO_ERROR
) {
2166 _mesa_error(ctx
, err
, "%s(format = %s, type = %s)",
2167 callerName
, _mesa_enum_to_string(format
),
2168 _mesa_enum_to_string(type
));
2177 * Test the glTexImage[123]D() parameters for errors.
2179 * \param ctx GL context.
2180 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2181 * \param target texture target given by the user (already validated).
2182 * \param level image level given by the user.
2183 * \param internalFormat internal format given by the user.
2184 * \param format pixel data format given by the user.
2185 * \param type pixel data type given by the user.
2186 * \param width image width given by the user.
2187 * \param height image height given by the user.
2188 * \param depth image depth given by the user.
2189 * \param border image border given by the user.
2191 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2193 * Verifies each of the parameters against the constants specified in
2194 * __struct gl_contextRec::Const and the supported extensions, and according
2195 * to the OpenGL specification.
2196 * Note that we don't fully error-check the width, height, depth values
2197 * here. That's done in _mesa_legal_texture_dimensions() which is used
2198 * by several other GL entrypoints. Plus, texture dims have a special
2199 * interaction with proxy textures.
2202 texture_error_check( struct gl_context
*ctx
,
2203 GLuint dimensions
, GLenum target
,
2204 GLint level
, GLint internalFormat
,
2205 GLenum format
, GLenum type
,
2206 GLint width
, GLint height
,
2207 GLint depth
, GLint border
,
2208 const GLvoid
*pixels
)
2212 /* Note: for proxy textures, some error conditions immediately generate
2213 * a GL error in the usual way. But others do not generate a GL error.
2214 * Instead, they cause the width, height, depth, format fields of the
2215 * texture image to be zeroed-out. The GL spec seems to indicate that the
2216 * zero-out behaviour is only used in cases related to memory allocation.
2220 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2221 _mesa_error(ctx
, GL_INVALID_VALUE
,
2222 "glTexImage%dD(level=%d)", dimensions
, level
);
2227 if (border
< 0 || border
> 1 ||
2228 ((ctx
->API
!= API_OPENGL_COMPAT
||
2229 target
== GL_TEXTURE_RECTANGLE_NV
||
2230 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2231 _mesa_error(ctx
, GL_INVALID_VALUE
,
2232 "glTexImage%dD(border=%d)", dimensions
, border
);
2236 if (width
< 0 || height
< 0 || depth
< 0) {
2237 _mesa_error(ctx
, GL_INVALID_VALUE
,
2238 "glTexImage%dD(width, height or depth < 0)", dimensions
);
2242 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2243 * combinations of format, internalFormat, and type that can be used.
2244 * Formats and types that require additional extensions (e.g., GL_FLOAT
2245 * requires GL_OES_texture_float) are filtered elsewhere.
2247 if (_mesa_is_gles(ctx
) &&
2248 texture_format_error_check_gles(ctx
, format
, type
, internalFormat
,
2249 dimensions
, "glTexImage%dD")) {
2253 /* Check internalFormat */
2254 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2255 _mesa_error(ctx
, GL_INVALID_VALUE
,
2256 "glTexImage%dD(internalFormat=%s)",
2257 dimensions
, _mesa_enum_to_string(internalFormat
));
2261 /* Check incoming image format and type */
2262 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2263 if (err
!= GL_NO_ERROR
) {
2264 _mesa_error(ctx
, err
,
2265 "glTexImage%dD(incompatible format = %s, type = %s)",
2266 dimensions
, _mesa_enum_to_string(format
),
2267 _mesa_enum_to_string(type
));
2271 /* validate the bound PBO, if any */
2272 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2273 width
, height
, depth
, format
, type
,
2274 INT_MAX
, pixels
, "glTexImage")) {
2278 /* make sure internal format and format basically agree */
2279 if (!texture_formats_agree(internalFormat
, format
)) {
2280 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2281 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
2282 dimensions
, _mesa_enum_to_string(internalFormat
),
2283 _mesa_enum_to_string(format
));
2287 /* additional checks for ycbcr textures */
2288 if (internalFormat
== GL_YCBCR_MESA
) {
2289 assert(ctx
->Extensions
.MESA_ycbcr_texture
);
2290 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
2291 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
2293 _mesa_snprintf(message
, sizeof(message
),
2294 "glTexImage%dD(format/type YCBCR mismatch)",
2296 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
2297 return GL_TRUE
; /* error */
2299 if (target
!= GL_TEXTURE_2D
&&
2300 target
!= GL_PROXY_TEXTURE_2D
&&
2301 target
!= GL_TEXTURE_RECTANGLE_NV
&&
2302 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
2303 _mesa_error(ctx
, GL_INVALID_ENUM
,
2304 "glTexImage%dD(bad target for YCbCr texture)",
2310 _mesa_snprintf(message
, sizeof(message
),
2311 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
2312 dimensions
, border
);
2313 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
2318 /* additional checks for depth textures */
2319 if (!_mesa_legal_texture_base_format_for_target(ctx
, target
, internalFormat
,
2320 dimensions
, "glTexImage"))
2323 /* additional checks for compressed textures */
2324 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2326 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2327 _mesa_error(ctx
, err
,
2328 "glTexImage%dD(target can't be compressed)", dimensions
);
2331 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2332 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2333 "glTexImage%dD(no compression for format)", dimensions
);
2337 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2338 "glTexImage%dD(border!=0)", dimensions
);
2343 /* additional checks for integer textures */
2344 if ((ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) &&
2345 (_mesa_is_enum_format_integer(format
) !=
2346 _mesa_is_enum_format_integer(internalFormat
))) {
2347 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2348 "glTexImage%dD(integer/non-integer format mismatch)",
2353 if (!mutable_tex_object(ctx
, target
)) {
2354 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2355 "glTexImage%dD(immutable texture)", dimensions
);
2359 /* if we get here, the parameters are OK */
2365 * Error checking for glCompressedTexImage[123]D().
2366 * Note that the width, height and depth values are not fully error checked
2368 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2371 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
2372 GLenum target
, GLint level
,
2373 GLenum internalFormat
, GLsizei width
,
2374 GLsizei height
, GLsizei depth
, GLint border
,
2375 GLsizei imageSize
, const GLvoid
*data
)
2377 const GLint maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2379 GLenum error
= GL_NO_ERROR
;
2380 char *reason
= ""; /* no error */
2382 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &error
)) {
2387 /* This will detect any invalid internalFormat value */
2388 if (!_mesa_is_compressed_format(ctx
, internalFormat
)) {
2389 _mesa_error(ctx
, GL_INVALID_ENUM
,
2390 "glCompressedTexImage%dD(internalFormat=%s)",
2391 dimensions
, _mesa_enum_to_string(internalFormat
));
2395 /* validate the bound PBO, if any */
2396 if (!_mesa_validate_pbo_source_compressed(ctx
, dimensions
, &ctx
->Unpack
,
2398 "glCompressedTexImage")) {
2402 switch (internalFormat
) {
2403 case GL_PALETTE4_RGB8_OES
:
2404 case GL_PALETTE4_RGBA8_OES
:
2405 case GL_PALETTE4_R5_G6_B5_OES
:
2406 case GL_PALETTE4_RGBA4_OES
:
2407 case GL_PALETTE4_RGB5_A1_OES
:
2408 case GL_PALETTE8_RGB8_OES
:
2409 case GL_PALETTE8_RGBA8_OES
:
2410 case GL_PALETTE8_R5_G6_B5_OES
:
2411 case GL_PALETTE8_RGBA4_OES
:
2412 case GL_PALETTE8_RGB5_A1_OES
:
2413 /* check level (note that level should be zero or less!) */
2414 if (level
> 0 || level
< -maxLevels
) {
2416 error
= GL_INVALID_VALUE
;
2420 if (dimensions
!= 2) {
2421 reason
= "compressed paletted textures must be 2D";
2422 error
= GL_INVALID_OPERATION
;
2426 /* Figure out the expected texture size (in bytes). This will be
2427 * checked against the actual size later.
2429 expectedSize
= _mesa_cpal_compressed_size(level
, internalFormat
,
2432 /* This is for the benefit of the TestProxyTexImage below. It expects
2433 * level to be non-negative. OES_compressed_paletted_texture uses a
2434 * weird mechanism where the level specified to glCompressedTexImage2D
2435 * is -(n-1) number of levels in the texture, and the data specifies the
2436 * complete mipmap stack. This is done to ensure the palette is the
2437 * same for all levels.
2444 if (level
< 0 || level
>= maxLevels
) {
2446 error
= GL_INVALID_VALUE
;
2450 /* Figure out the expected texture size (in bytes). This will be
2451 * checked against the actual size later.
2453 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
2457 /* This should really never fail */
2458 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
2459 reason
= "internalFormat";
2460 error
= GL_INVALID_ENUM
;
2464 /* No compressed formats support borders at this time */
2466 reason
= "border != 0";
2467 error
= GL_INVALID_VALUE
;
2471 /* Check for invalid pixel storage modes */
2472 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dimensions
,
2474 "glCompressedTexImage")) {
2478 /* check image size in bytes */
2479 if (expectedSize
!= imageSize
) {
2480 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2481 * if <imageSize> is not consistent with the format, dimensions, and
2482 * contents of the specified image.
2484 reason
= "imageSize inconsistant with width/height/format";
2485 error
= GL_INVALID_VALUE
;
2489 if (!mutable_tex_object(ctx
, target
)) {
2490 reason
= "immutable texture";
2491 error
= GL_INVALID_OPERATION
;
2498 /* Note: not all error paths exit through here. */
2499 _mesa_error(ctx
, error
, "glCompressedTexImage%dD(%s)",
2500 dimensions
, reason
);
2507 * Test glTexSubImage[123]D() parameters for errors.
2509 * \param ctx GL context.
2510 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2511 * \param target texture target given by the user (already validated)
2512 * \param level image level given by the user.
2513 * \param xoffset sub-image x offset given by the user.
2514 * \param yoffset sub-image y offset given by the user.
2515 * \param zoffset sub-image z offset given by the user.
2516 * \param format pixel data format given by the user.
2517 * \param type pixel data type given by the user.
2518 * \param width image width given by the user.
2519 * \param height image height given by the user.
2520 * \param depth image depth given by the user.
2522 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2524 * Verifies each of the parameters against the constants specified in
2525 * __struct gl_contextRec::Const and the supported extensions, and according
2526 * to the OpenGL specification.
2529 texsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2530 struct gl_texture_object
*texObj
,
2531 GLenum target
, GLint level
,
2532 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2533 GLint width
, GLint height
, GLint depth
,
2534 GLenum format
, GLenum type
, const GLvoid
*pixels
,
2535 bool dsa
, const char *callerName
)
2537 struct gl_texture_image
*texImage
;
2541 /* must be out of memory */
2542 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", callerName
);
2547 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2548 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", callerName
, level
);
2552 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2554 /* non-existant texture level */
2555 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid texture image)",
2560 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
2561 if (err
!= GL_NO_ERROR
) {
2562 _mesa_error(ctx
, err
,
2563 "%s(incompatible format = %s, type = %s)",
2564 callerName
, _mesa_enum_to_string(format
),
2565 _mesa_enum_to_string(type
));
2569 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2570 * combinations of format, internalFormat, and type that can be used.
2571 * Formats and types that require additional extensions (e.g., GL_FLOAT
2572 * requires GL_OES_texture_float) are filtered elsewhere.
2574 if (_mesa_is_gles(ctx
) &&
2575 texture_format_error_check_gles(ctx
, format
, type
,
2576 texImage
->InternalFormat
,
2577 dimensions
, callerName
)) {
2581 /* validate the bound PBO, if any */
2582 if (!_mesa_validate_pbo_source(ctx
, dimensions
, &ctx
->Unpack
,
2583 width
, height
, depth
, format
, type
,
2584 INT_MAX
, pixels
, callerName
)) {
2588 if (error_check_subtexture_dimensions(ctx
, dimensions
,
2589 texImage
, xoffset
, yoffset
, zoffset
,
2590 width
, height
, depth
, callerName
)) {
2594 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2595 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2596 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2597 "%s(no compression for format)", callerName
);
2602 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
2603 /* both source and dest must be integer-valued, or neither */
2604 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
2605 _mesa_is_enum_format_integer(format
)) {
2606 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2607 "%s(integer/non-integer format mismatch)", callerName
);
2617 * Test glCopyTexImage[12]D() parameters for errors.
2619 * \param ctx GL context.
2620 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2621 * \param target texture target given by the user.
2622 * \param level image level given by the user.
2623 * \param internalFormat internal format given by the user.
2624 * \param width image width given by the user.
2625 * \param height image height given by the user.
2626 * \param border texture border.
2628 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2630 * Verifies each of the parameters against the constants specified in
2631 * __struct gl_contextRec::Const and the supported extensions, and according
2632 * to the OpenGL specification.
2635 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
2636 GLenum target
, GLint level
, GLint internalFormat
,
2637 GLint width
, GLint height
, GLint border
)
2640 GLint rb_base_format
;
2641 struct gl_renderbuffer
*rb
;
2642 GLenum rb_internal_format
;
2645 if (!legal_texsubimage_target(ctx
, dimensions
, target
, false)) {
2646 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage%uD(target=%s)",
2647 dimensions
, _mesa_enum_to_string(target
));
2652 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2653 _mesa_error(ctx
, GL_INVALID_VALUE
,
2654 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
2658 /* Check that the source buffer is complete */
2659 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2660 if (ctx
->ReadBuffer
->_Status
== 0) {
2661 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2663 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2664 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2665 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2669 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2670 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2671 "glCopyTexImage%dD(multisample FBO)", dimensions
);
2677 if (border
< 0 || border
> 1 ||
2678 ((ctx
->API
!= API_OPENGL_COMPAT
||
2679 target
== GL_TEXTURE_RECTANGLE_NV
||
2680 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
2681 _mesa_error(ctx
, GL_INVALID_VALUE
,
2682 "glCopyTexImage%dD(border=%d)", dimensions
, border
);
2686 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2689 if (_mesa_is_gles(ctx
) && !_mesa_is_gles3(ctx
)) {
2690 switch (internalFormat
) {
2695 case GL_LUMINANCE_ALPHA
:
2698 _mesa_error(ctx
, GL_INVALID_ENUM
,
2699 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2700 _mesa_enum_to_string(internalFormat
));
2705 baseFormat
= _mesa_base_tex_format(ctx
, internalFormat
);
2706 if (baseFormat
< 0) {
2707 _mesa_error(ctx
, GL_INVALID_ENUM
,
2708 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2709 _mesa_enum_to_string(internalFormat
));
2713 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
2715 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2716 "glCopyTexImage%dD(read buffer)", dimensions
);
2720 rb_internal_format
= rb
->InternalFormat
;
2721 rb_base_format
= _mesa_base_tex_format(ctx
, rb
->InternalFormat
);
2722 if (_mesa_is_color_format(internalFormat
)) {
2723 if (rb_base_format
< 0) {
2724 _mesa_error(ctx
, GL_INVALID_VALUE
,
2725 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2726 _mesa_enum_to_string(internalFormat
));
2731 if (_mesa_is_gles(ctx
)) {
2733 if (_mesa_base_format_component_count(baseFormat
) >
2734 _mesa_base_format_component_count(rb_base_format
)) {
2737 if (baseFormat
== GL_DEPTH_COMPONENT
||
2738 baseFormat
== GL_DEPTH_STENCIL
||
2739 rb_base_format
== GL_DEPTH_COMPONENT
||
2740 rb_base_format
== GL_DEPTH_STENCIL
||
2741 ((baseFormat
== GL_LUMINANCE_ALPHA
||
2742 baseFormat
== GL_ALPHA
) &&
2743 rb_base_format
!= GL_RGBA
) ||
2744 internalFormat
== GL_RGB9_E5
) {
2747 if (internalFormat
== GL_RGB9_E5
) {
2751 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2752 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2753 _mesa_enum_to_string(internalFormat
));
2758 if (_mesa_is_gles3(ctx
)) {
2759 bool rb_is_srgb
= false;
2760 bool dst_is_srgb
= false;
2762 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&&
2763 _mesa_get_format_color_encoding(rb
->Format
) == GL_SRGB
) {
2767 if (_mesa_get_linear_internalformat(internalFormat
) != internalFormat
) {
2771 if (rb_is_srgb
!= dst_is_srgb
) {
2772 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2773 * OpenGLES 3.0.0 spec says:
2775 * "The error INVALID_OPERATION is also generated if the
2776 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2777 * framebuffer attachment corresponding to the read buffer
2778 * is LINEAR (see section 6.1.13) and internalformat is
2779 * one of the sRGB formats described in section 3.8.16, or
2780 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2781 * SRGB and internalformat is not one of the sRGB formats."
2783 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2784 "glCopyTexImage%dD(srgb usage mismatch)", dimensions
);
2788 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2789 * types for SNORM formats. Also, conversion to SNORM formats is not
2790 * allowed by Table 3.2 on Page 110.
2792 if (_mesa_is_enum_format_snorm(internalFormat
)) {
2793 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2794 "glCopyTexImage%dD(internalFormat=%s)", dimensions
,
2795 _mesa_enum_to_string(internalFormat
));
2800 if (!_mesa_source_buffer_exists(ctx
, baseFormat
)) {
2801 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2802 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
2806 /* From the EXT_texture_integer spec:
2808 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2809 * if the texture internalformat is an integer format and the read color
2810 * buffer is not an integer format, or if the internalformat is not an
2811 * integer format and the read color buffer is an integer format."
2813 if (_mesa_is_color_format(internalFormat
)) {
2814 bool is_int
= _mesa_is_enum_format_integer(internalFormat
);
2815 bool is_rbint
= _mesa_is_enum_format_integer(rb_internal_format
);
2816 bool is_unorm
= _mesa_is_enum_format_unorm(internalFormat
);
2817 bool is_rbunorm
= _mesa_is_enum_format_unorm(rb_internal_format
);
2818 if (is_int
|| is_rbint
) {
2819 if (is_int
!= is_rbint
) {
2820 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2821 "glCopyTexImage%dD(integer vs non-integer)", dimensions
);
2823 } else if (_mesa_is_gles(ctx
) &&
2824 _mesa_is_enum_format_unsigned_int(internalFormat
) !=
2825 _mesa_is_enum_format_unsigned_int(rb_internal_format
)) {
2826 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2827 "glCopyTexImage%dD(signed vs unsigned integer)", dimensions
);
2832 /* From page 138 of OpenGL ES 3.0 spec:
2833 * "The error INVALID_OPERATION is generated if floating-point RGBA
2834 * data is required; if signed integer RGBA data is required and the
2835 * format of the current color buffer is not signed integer; if
2836 * unsigned integer RGBA data is required and the format of the
2837 * current color buffer is not unsigned integer; or if fixed-point
2838 * RGBA data is required and the format of the current color buffer
2839 * is not fixed-point.
2841 if (_mesa_is_gles(ctx
) && is_unorm
!= is_rbunorm
)
2842 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2843 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions
);
2846 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
2848 if (!_mesa_target_can_be_compressed(ctx
, target
, internalFormat
, &err
)) {
2849 _mesa_error(ctx
, err
,
2850 "glCopyTexImage%dD(target can't be compressed)", dimensions
);
2853 if (compressedteximage_only_format(ctx
, internalFormat
)) {
2854 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2855 "glCopyTexImage%dD(no compression for format)", dimensions
);
2859 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2860 "glCopyTexImage%dD(border!=0)", dimensions
);
2865 if (!mutable_tex_object(ctx
, target
)) {
2866 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2867 "glCopyTexImage%dD(immutable texture)", dimensions
);
2871 /* if we get here, the parameters are OK */
2877 * Test glCopyTexSubImage[12]D() parameters for errors.
2878 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2881 copytexsubimage_error_check(struct gl_context
*ctx
, GLuint dimensions
,
2882 const struct gl_texture_object
*texObj
,
2883 GLenum target
, GLint level
,
2884 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2885 GLint width
, GLint height
, const char *caller
)
2887 struct gl_texture_image
*texImage
;
2889 /* Check that the source buffer is complete */
2890 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)) {
2891 if (ctx
->ReadBuffer
->_Status
== 0) {
2892 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2894 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2895 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2896 "%s(invalid readbuffer)", caller
);
2900 if (ctx
->ReadBuffer
->Visual
.samples
> 0) {
2901 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2902 "%s(multisample FBO)", caller
);
2908 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
2909 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(level=%d)", caller
, level
);
2913 /* Get dest image pointers */
2915 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", caller
);
2919 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
2921 /* destination image does not exist */
2922 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2923 "%s(invalid texture image)", caller
);
2927 if (error_check_subtexture_dimensions(ctx
, dimensions
, texImage
,
2928 xoffset
, yoffset
, zoffset
,
2929 width
, height
, 1, caller
)) {
2933 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
2934 if (compressedteximage_only_format(ctx
, texImage
->InternalFormat
)) {
2935 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2936 "%s(no compression for format)", caller
);
2941 if (texImage
->InternalFormat
== GL_YCBCR_MESA
) {
2942 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", caller
);
2946 if (!_mesa_source_buffer_exists(ctx
, texImage
->_BaseFormat
)) {
2947 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2948 "%s(missing readbuffer, format=0x%x)", caller
,
2949 texImage
->_BaseFormat
);
2953 /* From the EXT_texture_integer spec:
2955 * "INVALID_OPERATION is generated by CopyTexImage* and
2956 * CopyTexSubImage* if the texture internalformat is an integer format
2957 * and the read color buffer is not an integer format, or if the
2958 * internalformat is not an integer format and the read color buffer
2959 * is an integer format."
2961 if (_mesa_is_color_format(texImage
->InternalFormat
)) {
2962 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2964 if (_mesa_is_format_integer_color(rb
->Format
) !=
2965 _mesa_is_format_integer_color(texImage
->TexFormat
)) {
2966 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2967 "%s(integer vs non-integer)", caller
);
2972 /* if we get here, the parameters are OK */
2977 /** Callback info for walking over FBO hash table */
2980 struct gl_context
*ctx
;
2981 struct gl_texture_object
*texObj
;
2987 * Check render to texture callback. Called from _mesa_HashWalk().
2990 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2992 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2993 const struct cb_info
*info
= (struct cb_info
*) userData
;
2994 struct gl_context
*ctx
= info
->ctx
;
2995 const struct gl_texture_object
*texObj
= info
->texObj
;
2996 const GLuint level
= info
->level
, face
= info
->face
;
2998 /* If this is a user-created FBO */
2999 if (_mesa_is_user_fbo(fb
)) {
3001 /* check if any of the FBO's attachments point to 'texObj' */
3002 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
3003 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
3004 if (att
->Type
== GL_TEXTURE
&&
3005 att
->Texture
== texObj
&&
3006 att
->TextureLevel
== level
&&
3007 att
->CubeMapFace
== face
) {
3008 _mesa_update_texture_renderbuffer(ctx
, ctx
->DrawBuffer
, att
);
3009 assert(att
->Renderbuffer
->TexImage
);
3010 /* Mark fb status as indeterminate to force re-validation */
3019 * When a texture image is specified we have to check if it's bound to
3020 * any framebuffer objects (render to texture) in order to detect changes
3021 * in size or format since that effects FBO completeness.
3022 * Any FBOs rendering into the texture must be re-validated.
3025 _mesa_update_fbo_texture(struct gl_context
*ctx
,
3026 struct gl_texture_object
*texObj
,
3027 GLuint face
, GLuint level
)
3029 /* Only check this texture if it's been marked as RenderToTexture */
3030 if (texObj
->_RenderToTexture
) {
3031 struct cb_info info
;
3033 info
.texObj
= texObj
;
3036 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
3042 * If the texture object's GenerateMipmap flag is set and we've
3043 * changed the texture base level image, regenerate the rest of the
3044 * mipmap levels now.
3047 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
3048 struct gl_texture_object
*texObj
, GLint level
)
3050 if (texObj
->GenerateMipmap
&&
3051 level
== texObj
->BaseLevel
&&
3052 level
< texObj
->MaxLevel
) {
3053 assert(ctx
->Driver
.GenerateMipmap
);
3054 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
3059 /** Debug helper: override the user-requested internal format */
3061 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
3064 if (internalFormat
== GL_RGBA16F_ARB
||
3065 internalFormat
== GL_RGBA32F_ARB
) {
3066 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
3069 else if (internalFormat
== GL_RGB16F_ARB
||
3070 internalFormat
== GL_RGB32F_ARB
) {
3071 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
3074 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
3075 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
3076 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3077 return GL_LUMINANCE_ALPHA
;
3079 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
3080 internalFormat
== GL_LUMINANCE32F_ARB
) {
3081 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3082 return GL_LUMINANCE
;
3084 else if (internalFormat
== GL_ALPHA16F_ARB
||
3085 internalFormat
== GL_ALPHA32F_ARB
) {
3086 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
3090 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
3091 internalFormat = GL_RGBA;
3095 return internalFormat
;
3098 return internalFormat
;
3104 * Choose the actual hardware format for a texture image.
3105 * Try to use the same format as the previous image level when possible.
3106 * Otherwise, ask the driver for the best format.
3107 * It's important to try to choose a consistant format for all levels
3108 * for efficient texture memory layout/allocation. In particular, this
3109 * comes up during automatic mipmap generation.
3112 _mesa_choose_texture_format(struct gl_context
*ctx
,
3113 struct gl_texture_object
*texObj
,
3114 GLenum target
, GLint level
,
3115 GLenum internalFormat
, GLenum format
, GLenum type
)
3119 /* see if we've already chosen a format for the previous level */
3121 struct gl_texture_image
*prevImage
=
3122 _mesa_select_tex_image(texObj
, target
, level
- 1);
3123 /* See if the prev level is defined and has an internal format which
3124 * matches the new internal format.
3127 prevImage
->Width
> 0 &&
3128 prevImage
->InternalFormat
== internalFormat
) {
3129 /* use the same format */
3130 assert(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
3131 return prevImage
->TexFormat
;
3135 /* If the application requested compression to an S3TC format but we don't
3136 * have the DXTn library, force a generic compressed format instead.
3138 if (internalFormat
!= format
&& format
!= GL_NONE
) {
3139 const GLenum before
= internalFormat
;
3141 switch (internalFormat
) {
3142 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
3143 if (!ctx
->Mesa_DXTn
)
3144 internalFormat
= GL_COMPRESSED_RGB
;
3146 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
3147 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
3148 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
3149 if (!ctx
->Mesa_DXTn
)
3150 internalFormat
= GL_COMPRESSED_RGBA
;
3156 if (before
!= internalFormat
) {
3158 "DXT compression requested (%s), "
3159 "but libtxc_dxtn library not installed. Using %s "
3161 _mesa_enum_to_string(before
),
3162 _mesa_enum_to_string(internalFormat
));
3166 /* choose format from scratch */
3167 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, target
, internalFormat
,
3169 assert(f
!= MESA_FORMAT_NONE
);
3175 * Adjust pixel unpack params and image dimensions to strip off the
3176 * one-pixel texture border.
3178 * Gallium and intel don't support texture borders. They've seldem been used
3179 * and seldom been implemented correctly anyway.
3181 * \param unpackNew returns the new pixel unpack parameters
3184 strip_texture_border(GLenum target
,
3185 GLint
*width
, GLint
*height
, GLint
*depth
,
3186 const struct gl_pixelstore_attrib
*unpack
,
3187 struct gl_pixelstore_attrib
*unpackNew
)
3193 *unpackNew
= *unpack
;
3195 if (unpackNew
->RowLength
== 0)
3196 unpackNew
->RowLength
= *width
;
3198 if (unpackNew
->ImageHeight
== 0)
3199 unpackNew
->ImageHeight
= *height
;
3201 assert(*width
>= 3);
3202 unpackNew
->SkipPixels
++; /* skip the border */
3203 *width
= *width
- 2; /* reduce the width by two border pixels */
3205 /* The min height of a texture with a border is 3 */
3206 if (*height
>= 3 && target
!= GL_TEXTURE_1D_ARRAY
) {
3207 unpackNew
->SkipRows
++; /* skip the border */
3208 *height
= *height
- 2; /* reduce the height by two border pixels */
3212 target
!= GL_TEXTURE_2D_ARRAY
&&
3213 target
!= GL_TEXTURE_CUBE_MAP_ARRAY
) {
3214 unpackNew
->SkipImages
++; /* skip the border */
3215 *depth
= *depth
- 2; /* reduce the depth by two border pixels */
3221 * Common code to implement all the glTexImage1D/2D/3D functions
3222 * as well as glCompressedTexImage1D/2D/3D.
3223 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
3224 * \param format the user's image format (only used if !compressed)
3225 * \param type the user's image type (only used if !compressed)
3226 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
3229 teximage(struct gl_context
*ctx
, GLboolean compressed
, GLuint dims
,
3230 GLenum target
, GLint level
, GLint internalFormat
,
3231 GLsizei width
, GLsizei height
, GLsizei depth
,
3232 GLint border
, GLenum format
, GLenum type
,
3233 GLsizei imageSize
, const GLvoid
*pixels
)
3235 const char *func
= compressed
? "glCompressedTexImage" : "glTexImage";
3236 struct gl_pixelstore_attrib unpack_no_border
;
3237 const struct gl_pixelstore_attrib
*unpack
= &ctx
->Unpack
;
3238 struct gl_texture_object
*texObj
;
3239 mesa_format texFormat
;
3240 GLboolean dimensionsOK
, sizeOK
;
3242 FLUSH_VERTICES(ctx
, 0);
3244 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
)) {
3247 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
3249 _mesa_enum_to_string(target
), level
,
3250 _mesa_enum_to_string(internalFormat
),
3251 width
, height
, depth
, border
, pixels
);
3254 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
3256 _mesa_enum_to_string(target
), level
,
3257 _mesa_enum_to_string(internalFormat
),
3258 width
, height
, depth
, border
,
3259 _mesa_enum_to_string(format
),
3260 _mesa_enum_to_string(type
), pixels
);
3263 internalFormat
= override_internal_format(internalFormat
, width
, height
);
3265 /* target error checking */
3266 if (!legal_teximage_target(ctx
, dims
, target
)) {
3267 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s%uD(target=%s)",
3268 func
, dims
, _mesa_enum_to_string(target
));
3272 /* general error checking */
3274 if (compressed_texture_error_check(ctx
, dims
, target
, level
,
3276 width
, height
, depth
,
3277 border
, imageSize
, pixels
))
3281 if (texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3282 format
, type
, width
, height
, depth
, border
,
3287 /* Here we convert a cpal compressed image into a regular glTexImage2D
3288 * call by decompressing the texture. If we really want to support cpal
3289 * textures in any driver this would have to be changed.
3291 if (ctx
->API
== API_OPENGLES
&& compressed
&& dims
== 2) {
3292 switch (internalFormat
) {
3293 case GL_PALETTE4_RGB8_OES
:
3294 case GL_PALETTE4_RGBA8_OES
:
3295 case GL_PALETTE4_R5_G6_B5_OES
:
3296 case GL_PALETTE4_RGBA4_OES
:
3297 case GL_PALETTE4_RGB5_A1_OES
:
3298 case GL_PALETTE8_RGB8_OES
:
3299 case GL_PALETTE8_RGBA8_OES
:
3300 case GL_PALETTE8_R5_G6_B5_OES
:
3301 case GL_PALETTE8_RGBA4_OES
:
3302 case GL_PALETTE8_RGB5_A1_OES
:
3303 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
3304 width
, height
, imageSize
, pixels
);
3309 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3313 /* For glCompressedTexImage() the driver has no choice about the
3314 * texture format since we'll never transcode the user's compressed
3315 * image data. The internalFormat was error checked earlier.
3317 texFormat
= _mesa_glenum_to_compressed_format(internalFormat
);
3320 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3321 * internal floating point format for the given base format.
3323 if (_mesa_is_gles(ctx
) && format
== internalFormat
) {
3324 if (type
== GL_FLOAT
) {
3325 texObj
->_IsFloat
= GL_TRUE
;
3326 } else if (type
== GL_HALF_FLOAT_OES
|| type
== GL_HALF_FLOAT
) {
3327 texObj
->_IsHalfFloat
= GL_TRUE
;
3330 internalFormat
= adjust_for_oes_float_texture(format
, type
);
3333 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3334 internalFormat
, format
, type
);
3337 assert(texFormat
!= MESA_FORMAT_NONE
);
3339 /* check that width, height, depth are legal for the mipmap level */
3340 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, level
, width
,
3341 height
, depth
, border
);
3343 /* check that the texture won't take too much memory, etc */
3344 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
3346 width
, height
, depth
, border
);
3348 if (_mesa_is_proxy_texture(target
)) {
3349 /* Proxy texture: just clear or set state depending on error checking */
3350 struct gl_texture_image
*texImage
=
3351 get_proxy_tex_image(ctx
, target
, level
);
3354 return; /* GL_OUT_OF_MEMORY already recorded */
3356 if (dimensionsOK
&& sizeOK
) {
3357 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, depth
,
3358 border
, internalFormat
, texFormat
);
3361 clear_teximage_fields(texImage
);
3365 /* non-proxy target */
3366 const GLuint face
= _mesa_tex_target_to_face(target
);
3367 struct gl_texture_image
*texImage
;
3369 if (!dimensionsOK
) {
3370 _mesa_error(ctx
, GL_INVALID_VALUE
,
3371 "%s%uD(invalid width or height or depth)",
3377 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
3378 "%s%uD(image too large: %d x %d x %d, %s format)",
3379 func
, dims
, width
, height
, depth
,
3380 _mesa_enum_to_string(internalFormat
));
3384 /* Allow a hardware driver to just strip out the border, to provide
3385 * reliable but slightly incorrect hardware rendering instead of
3386 * rarely-tested software fallback rendering.
3388 if (border
&& ctx
->Const
.StripTextureBorder
) {
3389 strip_texture_border(target
, &width
, &height
, &depth
, unpack
,
3392 unpack
= &unpack_no_border
;
3395 if (ctx
->NewState
& _NEW_PIXEL
)
3396 _mesa_update_state(ctx
);
3398 _mesa_lock_texture(ctx
, texObj
);
3400 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3403 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s%uD", func
, dims
);
3406 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3408 _mesa_init_teximage_fields(ctx
, texImage
,
3409 width
, height
, depth
,
3410 border
, internalFormat
, texFormat
);
3412 /* Give the texture to the driver. <pixels> may be null. */
3413 if (width
> 0 && height
> 0 && depth
> 0) {
3415 ctx
->Driver
.CompressedTexImage(ctx
, dims
, texImage
,
3419 ctx
->Driver
.TexImage(ctx
, dims
, texImage
, format
,
3420 type
, pixels
, unpack
);
3424 check_gen_mipmap(ctx
, target
, texObj
, level
);
3426 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
3428 _mesa_dirty_texobj(ctx
, texObj
);
3431 _mesa_unlock_texture(ctx
, texObj
);
3438 * Called from the API. Note that width includes the border.
3441 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
3442 GLsizei width
, GLint border
, GLenum format
,
3443 GLenum type
, const GLvoid
*pixels
)
3445 GET_CURRENT_CONTEXT(ctx
);
3446 teximage(ctx
, GL_FALSE
, 1, target
, level
, internalFormat
, width
, 1, 1,
3447 border
, format
, type
, 0, pixels
);
3452 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
3453 GLsizei width
, GLsizei height
, GLint border
,
3454 GLenum format
, GLenum type
,
3455 const GLvoid
*pixels
)
3457 GET_CURRENT_CONTEXT(ctx
);
3458 teximage(ctx
, GL_FALSE
, 2, target
, level
, internalFormat
, width
, height
, 1,
3459 border
, format
, type
, 0, pixels
);
3464 * Called by the API or display list executor.
3465 * Note that width and height include the border.
3468 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
3469 GLsizei width
, GLsizei height
, GLsizei depth
,
3470 GLint border
, GLenum format
, GLenum type
,
3471 const GLvoid
*pixels
)
3473 GET_CURRENT_CONTEXT(ctx
);
3474 teximage(ctx
, GL_FALSE
, 3, target
, level
, internalFormat
,
3475 width
, height
, depth
,
3476 border
, format
, type
, 0, pixels
);
3481 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
3482 GLsizei width
, GLsizei height
, GLsizei depth
,
3483 GLint border
, GLenum format
, GLenum type
,
3484 const GLvoid
*pixels
)
3486 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
3487 depth
, border
, format
, type
, pixels
);
3492 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
3494 struct gl_texture_object
*texObj
;
3495 struct gl_texture_image
*texImage
;
3497 GET_CURRENT_CONTEXT(ctx
);
3498 FLUSH_VERTICES(ctx
, 0);
3502 valid_target
= ctx
->Extensions
.OES_EGL_image
;
3504 case GL_TEXTURE_EXTERNAL_OES
:
3506 _mesa_is_gles(ctx
) ? ctx
->Extensions
.OES_EGL_image_external
: false;
3509 valid_target
= false;
3513 if (!valid_target
) {
3514 _mesa_error(ctx
, GL_INVALID_ENUM
,
3515 "glEGLImageTargetTexture2D(target=%d)", target
);
3520 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3521 "glEGLImageTargetTexture2D(image=%p)", image
);
3525 if (ctx
->NewState
& _NEW_PIXEL
)
3526 _mesa_update_state(ctx
);
3528 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3532 _mesa_lock_texture(ctx
, texObj
);
3534 if (texObj
->Immutable
) {
3535 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3536 "glEGLImageTargetTexture2D(texture is immutable)");
3537 _mesa_unlock_texture(ctx
, texObj
);
3541 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
3543 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
3545 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
3547 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
3548 texObj
, texImage
, image
);
3550 _mesa_dirty_texobj(ctx
, texObj
);
3552 _mesa_unlock_texture(ctx
, texObj
);
3557 * Helper that implements the glTexSubImage1/2/3D()
3558 * and glTextureSubImage1/2/3D() functions.
3561 _mesa_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
3562 struct gl_texture_object
*texObj
,
3563 struct gl_texture_image
*texImage
,
3564 GLenum target
, GLint level
,
3565 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3566 GLsizei width
, GLsizei height
, GLsizei depth
,
3567 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3570 FLUSH_VERTICES(ctx
, 0);
3572 if (ctx
->NewState
& _NEW_PIXEL
)
3573 _mesa_update_state(ctx
);
3575 _mesa_lock_texture(ctx
, texObj
);
3577 if (width
> 0 && height
> 0 && depth
> 0) {
3578 /* If we have a border, offset=-1 is legal. Bias by border width. */
3581 if (target
!= GL_TEXTURE_2D_ARRAY
)
3582 zoffset
+= texImage
->Border
;
3585 if (target
!= GL_TEXTURE_1D_ARRAY
)
3586 yoffset
+= texImage
->Border
;
3589 xoffset
+= texImage
->Border
;
3592 ctx
->Driver
.TexSubImage(ctx
, dims
, texImage
,
3593 xoffset
, yoffset
, zoffset
,
3594 width
, height
, depth
,
3595 format
, type
, pixels
, &ctx
->Unpack
);
3597 check_gen_mipmap(ctx
, target
, texObj
, level
);
3599 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
3600 * the texel data, not the texture format, size, etc.
3604 _mesa_unlock_texture(ctx
, texObj
);
3608 * Implement all the glTexSubImage1/2/3D() functions.
3609 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3612 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
3613 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3614 GLsizei width
, GLsizei height
, GLsizei depth
,
3615 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3616 const char *callerName
)
3618 struct gl_texture_object
*texObj
;
3619 struct gl_texture_image
*texImage
;
3621 /* check target (proxies not allowed) */
3622 if (!legal_texsubimage_target(ctx
, dims
, target
, false)) {
3623 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
3624 dims
, _mesa_enum_to_string(target
));
3628 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3632 if (texsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
3633 xoffset
, yoffset
, zoffset
,
3634 width
, height
, depth
, format
, type
,
3635 pixels
, false, callerName
)) {
3636 return; /* error was detected */
3639 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
3640 /* texsubimage_error_check ensures that texImage is not NULL */
3642 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3643 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3645 _mesa_enum_to_string(target
), level
,
3646 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3647 _mesa_enum_to_string(format
),
3648 _mesa_enum_to_string(type
), pixels
);
3650 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, target
, level
,
3651 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3652 format
, type
, pixels
, false);
3657 * Implement all the glTextureSubImage1/2/3D() functions.
3658 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3661 texturesubimage(struct gl_context
*ctx
, GLuint dims
,
3662 GLuint texture
, GLint level
,
3663 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3664 GLsizei width
, GLsizei height
, GLsizei depth
,
3665 GLenum format
, GLenum type
, const GLvoid
*pixels
,
3666 const char *callerName
)
3668 struct gl_texture_object
*texObj
;
3669 struct gl_texture_image
*texImage
;
3672 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3674 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3675 dims
, texture
, level
,
3676 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
3677 _mesa_enum_to_string(format
),
3678 _mesa_enum_to_string(type
), pixels
);
3680 /* Get the texture object by Name. */
3681 texObj
= _mesa_lookup_texture(ctx
, texture
);
3683 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureSubImage%uD(texture)",
3688 /* check target (proxies not allowed) */
3689 if (!legal_texsubimage_target(ctx
, dims
, texObj
->Target
, true)) {
3690 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target=%s)",
3691 callerName
, _mesa_enum_to_string(texObj
->Target
));
3695 if (texsubimage_error_check(ctx
, dims
, texObj
, texObj
->Target
, level
,
3696 xoffset
, yoffset
, zoffset
,
3697 width
, height
, depth
, format
, type
,
3698 pixels
, true, callerName
)) {
3699 return; /* error was detected */
3703 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3704 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
3708 * What do we do if the user created a texture with the following code
3709 * and then called this function with its handle?
3712 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3713 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3714 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3715 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3716 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3717 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3718 * // wrong format, or given the wrong size, etc.
3719 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3720 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3722 * A bug has been filed against the spec for this case. In the
3723 * meantime, we will check for cube completeness.
3725 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3726 * Core Profile spec (30.10.2014):
3727 * "[A] cube map texture is cube complete if the
3728 * following conditions all hold true: The [base level] texture
3729 * images of each of the six cube map faces have identical, positive,
3730 * and square dimensions. The [base level] images were each specified
3731 * with the same internal format."
3733 * It seems reasonable to check for cube completeness of an arbitrary
3734 * level here so that the image data has a consistent format and size.
3736 if (!_mesa_cube_level_complete(texObj
, level
)) {
3737 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3738 "glTextureSubImage%uD(cube map incomplete)",
3743 rowStride
= _mesa_image_image_stride(&ctx
->Unpack
, width
, height
,
3745 /* Copy in each face. */
3746 for (i
= 0; i
< 6; ++i
) {
3747 texImage
= texObj
->Image
[i
][level
];
3750 _mesa_texture_sub_image(ctx
, 3, texObj
, texImage
, texObj
->Target
,
3751 level
, xoffset
, yoffset
, zoffset
,
3752 width
, height
, 1, format
,
3753 type
, pixels
, true);
3754 pixels
= (GLubyte
*) pixels
+ rowStride
;
3758 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
3761 _mesa_texture_sub_image(ctx
, dims
, texObj
, texImage
, texObj
->Target
,
3762 level
, xoffset
, yoffset
, zoffset
,
3763 width
, height
, depth
, format
,
3764 type
, pixels
, true);
3770 _mesa_TexSubImage1D( GLenum target
, GLint level
,
3771 GLint xoffset
, GLsizei width
,
3772 GLenum format
, GLenum type
,
3773 const GLvoid
*pixels
)
3775 GET_CURRENT_CONTEXT(ctx
);
3776 texsubimage(ctx
, 1, target
, level
,
3779 format
, type
, pixels
, "glTexSubImage1D");
3784 _mesa_TexSubImage2D( GLenum target
, GLint level
,
3785 GLint xoffset
, GLint yoffset
,
3786 GLsizei width
, GLsizei height
,
3787 GLenum format
, GLenum type
,
3788 const GLvoid
*pixels
)
3790 GET_CURRENT_CONTEXT(ctx
);
3791 texsubimage(ctx
, 2, target
, level
,
3792 xoffset
, yoffset
, 0,
3794 format
, type
, pixels
, "glTexSubImage2D");
3800 _mesa_TexSubImage3D( GLenum target
, GLint level
,
3801 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3802 GLsizei width
, GLsizei height
, GLsizei depth
,
3803 GLenum format
, GLenum type
,
3804 const GLvoid
*pixels
)
3806 GET_CURRENT_CONTEXT(ctx
);
3807 texsubimage(ctx
, 3, target
, level
,
3808 xoffset
, yoffset
, zoffset
,
3809 width
, height
, depth
,
3810 format
, type
, pixels
, "glTexSubImage3D");
3814 _mesa_TextureSubImage1D(GLuint texture
, GLint level
,
3815 GLint xoffset
, GLsizei width
,
3816 GLenum format
, GLenum type
,
3817 const GLvoid
*pixels
)
3819 GET_CURRENT_CONTEXT(ctx
);
3820 texturesubimage(ctx
, 1, texture
, level
,
3823 format
, type
, pixels
, "glTextureSubImage1D");
3828 _mesa_TextureSubImage2D(GLuint texture
, GLint level
,
3829 GLint xoffset
, GLint yoffset
,
3830 GLsizei width
, GLsizei height
,
3831 GLenum format
, GLenum type
,
3832 const GLvoid
*pixels
)
3834 GET_CURRENT_CONTEXT(ctx
);
3835 texturesubimage(ctx
, 2, texture
, level
,
3836 xoffset
, yoffset
, 0,
3838 format
, type
, pixels
, "glTextureSubImage2D");
3843 _mesa_TextureSubImage3D(GLuint texture
, GLint level
,
3844 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3845 GLsizei width
, GLsizei height
, GLsizei depth
,
3846 GLenum format
, GLenum type
,
3847 const GLvoid
*pixels
)
3849 GET_CURRENT_CONTEXT(ctx
);
3850 texturesubimage(ctx
, 3, texture
, level
,
3851 xoffset
, yoffset
, zoffset
,
3852 width
, height
, depth
,
3853 format
, type
, pixels
, "glTextureSubImage3D");
3858 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
3859 * from. This depends on whether the texture contains color or depth values.
3861 static struct gl_renderbuffer
*
3862 get_copy_tex_image_source(struct gl_context
*ctx
, mesa_format texFormat
)
3864 if (_mesa_get_format_bits(texFormat
, GL_DEPTH_BITS
) > 0) {
3865 /* reading from depth/stencil buffer */
3866 return ctx
->ReadBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
3869 /* copying from color buffer */
3870 return ctx
->ReadBuffer
->_ColorReadBuffer
;
3875 copytexsubimage_by_slice(struct gl_context
*ctx
,
3876 struct gl_texture_image
*texImage
,
3878 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3879 struct gl_renderbuffer
*rb
,
3881 GLsizei width
, GLsizei height
)
3883 if (texImage
->TexObject
->Target
== GL_TEXTURE_1D_ARRAY
) {
3886 /* For 1D arrays, we copy each scanline of the source rectangle into the
3889 assert(zoffset
== 0);
3891 for (slice
= 0; slice
< height
; slice
++) {
3892 assert(yoffset
+ slice
< texImage
->Height
);
3893 ctx
->Driver
.CopyTexSubImage(ctx
, 2, texImage
,
3894 xoffset
, 0, yoffset
+ slice
,
3895 rb
, x
, y
+ slice
, width
, 1);
3898 ctx
->Driver
.CopyTexSubImage(ctx
, dims
, texImage
,
3899 xoffset
, yoffset
, zoffset
,
3900 rb
, x
, y
, width
, height
);
3905 formats_differ_in_component_sizes(mesa_format f1
, mesa_format f2
)
3907 GLint f1_r_bits
= _mesa_get_format_bits(f1
, GL_RED_BITS
);
3908 GLint f1_g_bits
= _mesa_get_format_bits(f1
, GL_GREEN_BITS
);
3909 GLint f1_b_bits
= _mesa_get_format_bits(f1
, GL_BLUE_BITS
);
3910 GLint f1_a_bits
= _mesa_get_format_bits(f1
, GL_ALPHA_BITS
);
3912 GLint f2_r_bits
= _mesa_get_format_bits(f2
, GL_RED_BITS
);
3913 GLint f2_g_bits
= _mesa_get_format_bits(f2
, GL_GREEN_BITS
);
3914 GLint f2_b_bits
= _mesa_get_format_bits(f2
, GL_BLUE_BITS
);
3915 GLint f2_a_bits
= _mesa_get_format_bits(f2
, GL_ALPHA_BITS
);
3917 if ((f1_r_bits
&& f2_r_bits
&& f1_r_bits
!= f2_r_bits
)
3918 || (f1_g_bits
&& f2_g_bits
&& f1_g_bits
!= f2_g_bits
)
3919 || (f1_b_bits
&& f2_b_bits
&& f1_b_bits
!= f2_b_bits
)
3920 || (f1_a_bits
&& f2_a_bits
&& f1_a_bits
!= f2_a_bits
))
3927 * Implement the glCopyTexImage1/2D() functions.
3930 copyteximage(struct gl_context
*ctx
, GLuint dims
,
3931 GLenum target
, GLint level
, GLenum internalFormat
,
3932 GLint x
, GLint y
, GLsizei width
, GLsizei height
, GLint border
)
3934 struct gl_texture_object
*texObj
;
3935 struct gl_texture_image
*texImage
;
3936 const GLuint face
= _mesa_tex_target_to_face(target
);
3937 mesa_format texFormat
;
3938 struct gl_renderbuffer
*rb
;
3940 FLUSH_VERTICES(ctx
, 0);
3942 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3943 _mesa_debug(ctx
, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
3945 _mesa_enum_to_string(target
), level
,
3946 _mesa_enum_to_string(internalFormat
),
3947 x
, y
, width
, height
, border
);
3949 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3950 _mesa_update_state(ctx
);
3952 if (copytexture_error_check(ctx
, dims
, target
, level
, internalFormat
,
3953 width
, height
, border
))
3956 if (!_mesa_legal_texture_dimensions(ctx
, target
, level
, width
, height
,
3958 _mesa_error(ctx
, GL_INVALID_VALUE
,
3959 "glCopyTexImage%uD(invalid width or height)", dims
);
3963 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3966 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3967 internalFormat
, GL_NONE
, GL_NONE
);
3969 rb
= _mesa_get_read_renderbuffer_for_format(ctx
, internalFormat
);
3971 if (_mesa_is_gles3(ctx
)) {
3972 if (_mesa_is_enum_format_unsized(internalFormat
)) {
3973 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
3974 * OpenGL ES 3.0. Khronos bug# 9807.
3976 if (rb
->InternalFormat
== GL_RGB10_A2
) {
3977 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3978 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
3979 " and writing to unsized internal format)", dims
);
3983 /* From Page 139 of OpenGL ES 3.0 spec:
3984 * "If internalformat is sized, the internal format of the new texel
3985 * array is internalformat, and this is also the new texel array’s
3986 * effective internal format. If the component sizes of internalformat
3987 * do not exactly match the corresponding component sizes of the source
3988 * buffer’s effective internal format, described below, an
3989 * INVALID_OPERATION error is generated. If internalformat is unsized,
3990 * the internal format of the new texel array is the effective internal
3991 * format of the source buffer, and this is also the new texel array’s
3992 * effective internal format.
3994 else if (formats_differ_in_component_sizes (texFormat
, rb
->Format
)) {
3995 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3996 "glCopyTexImage%uD(componenet size changed in"
3997 " internal format)", dims
);
4002 assert(texFormat
!= MESA_FORMAT_NONE
);
4004 if (!ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target(target
),
4006 width
, height
, 1, border
)) {
4007 _mesa_error(ctx
, GL_OUT_OF_MEMORY
,
4008 "glCopyTexImage%uD(image too large)", dims
);
4012 if (border
&& ctx
->Const
.StripTextureBorder
) {
4014 width
-= border
* 2;
4017 height
-= border
* 2;
4022 _mesa_lock_texture(ctx
, texObj
);
4024 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
4027 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage%uD", dims
);
4030 GLint srcX
= x
, srcY
= y
, dstX
= 0, dstY
= 0, dstZ
= 0;
4032 /* Free old texture image */
4033 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
4035 _mesa_init_teximage_fields(ctx
, texImage
, width
, height
, 1,
4036 border
, internalFormat
, texFormat
);
4038 if (width
&& height
) {
4039 /* Allocate texture memory (no pixel data yet) */
4040 ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
);
4042 if (_mesa_clip_copytexsubimage(ctx
, &dstX
, &dstY
, &srcX
, &srcY
,
4044 struct gl_renderbuffer
*srcRb
=
4045 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4047 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4049 srcRb
, srcX
, srcY
, width
, height
);
4052 check_gen_mipmap(ctx
, target
, texObj
, level
);
4055 _mesa_update_fbo_texture(ctx
, texObj
, face
, level
);
4057 _mesa_dirty_texobj(ctx
, texObj
);
4060 _mesa_unlock_texture(ctx
, texObj
);
4066 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
4067 GLenum internalFormat
,
4069 GLsizei width
, GLint border
)
4071 GET_CURRENT_CONTEXT(ctx
);
4072 copyteximage(ctx
, 1, target
, level
, internalFormat
, x
, y
, width
, 1, border
);
4078 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
4079 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
4082 GET_CURRENT_CONTEXT(ctx
);
4083 copyteximage(ctx
, 2, target
, level
, internalFormat
,
4084 x
, y
, width
, height
, border
);
4088 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
4091 _mesa_copy_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4092 struct gl_texture_object
*texObj
,
4093 GLenum target
, GLint level
,
4094 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4096 GLsizei width
, GLsizei height
,
4099 struct gl_texture_image
*texImage
;
4101 FLUSH_VERTICES(ctx
, 0);
4103 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
4104 _mesa_debug(ctx
, "%s %s %d %d %d %d %d %d %d %d\n", caller
,
4105 _mesa_enum_to_string(target
),
4106 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
4108 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
4109 _mesa_update_state(ctx
);
4111 if (copytexsubimage_error_check(ctx
, dims
, texObj
, target
, level
,
4112 xoffset
, yoffset
, zoffset
,
4113 width
, height
, caller
)) {
4117 _mesa_lock_texture(ctx
, texObj
);
4119 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4121 /* If we have a border, offset=-1 is legal. Bias by border width. */
4124 if (target
!= GL_TEXTURE_2D_ARRAY
)
4125 zoffset
+= texImage
->Border
;
4128 if (target
!= GL_TEXTURE_1D_ARRAY
)
4129 yoffset
+= texImage
->Border
;
4132 xoffset
+= texImage
->Border
;
4135 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
4137 struct gl_renderbuffer
*srcRb
=
4138 get_copy_tex_image_source(ctx
, texImage
->TexFormat
);
4140 copytexsubimage_by_slice(ctx
, texImage
, dims
,
4141 xoffset
, yoffset
, zoffset
,
4142 srcRb
, x
, y
, width
, height
);
4144 check_gen_mipmap(ctx
, target
, texObj
, level
);
4146 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4147 * the texel data, not the texture format, size, etc.
4151 _mesa_unlock_texture(ctx
, texObj
);
4155 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
4156 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4158 struct gl_texture_object
* texObj
;
4159 const char *self
= "glCopyTexSubImage1D";
4160 GET_CURRENT_CONTEXT(ctx
);
4162 /* Check target (proxies not allowed). Target must be checked prior to
4163 * calling _mesa_get_current_tex_object.
4165 if (!legal_texsubimage_target(ctx
, 1, target
, false)) {
4166 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4167 _mesa_enum_to_string(target
));
4171 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4175 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, target
, level
, xoffset
, 0, 0,
4176 x
, y
, width
, 1, self
);
4182 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
4183 GLint xoffset
, GLint yoffset
,
4184 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4186 struct gl_texture_object
* texObj
;
4187 const char *self
= "glCopyTexSubImage2D";
4188 GET_CURRENT_CONTEXT(ctx
);
4190 /* Check target (proxies not allowed). Target must be checked prior to
4191 * calling _mesa_get_current_tex_object.
4193 if (!legal_texsubimage_target(ctx
, 2, target
, false)) {
4194 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4195 _mesa_enum_to_string(target
));
4199 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4203 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, target
, level
,
4204 xoffset
, yoffset
, 0,
4205 x
, y
, width
, height
, self
);
4211 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
4212 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4213 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4215 struct gl_texture_object
* texObj
;
4216 const char *self
= "glCopyTexSubImage3D";
4217 GET_CURRENT_CONTEXT(ctx
);
4219 /* Check target (proxies not allowed). Target must be checked prior to
4220 * calling _mesa_get_current_tex_object.
4222 if (!legal_texsubimage_target(ctx
, 3, target
, false)) {
4223 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4224 _mesa_enum_to_string(target
));
4228 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4232 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, target
, level
,
4233 xoffset
, yoffset
, zoffset
,
4234 x
, y
, width
, height
, self
);
4238 _mesa_CopyTextureSubImage1D(GLuint texture
, GLint level
,
4239 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
4241 struct gl_texture_object
* texObj
;
4242 const char *self
= "glCopyTextureSubImage1D";
4243 GET_CURRENT_CONTEXT(ctx
);
4245 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4249 /* Check target (proxies not allowed). */
4250 if (!legal_texsubimage_target(ctx
, 1, texObj
->Target
, true)) {
4251 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4252 _mesa_enum_to_string(texObj
->Target
));
4256 _mesa_copy_texture_sub_image(ctx
, 1, texObj
, texObj
->Target
, level
,
4257 xoffset
, 0, 0, x
, y
, width
, 1, self
);
4261 _mesa_CopyTextureSubImage2D(GLuint texture
, GLint level
,
4262 GLint xoffset
, GLint yoffset
,
4263 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4265 struct gl_texture_object
* texObj
;
4266 const char *self
= "glCopyTextureSubImage2D";
4267 GET_CURRENT_CONTEXT(ctx
);
4269 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4273 /* Check target (proxies not allowed). */
4274 if (!legal_texsubimage_target(ctx
, 2, texObj
->Target
, true)) {
4275 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4276 _mesa_enum_to_string(texObj
->Target
));
4280 _mesa_copy_texture_sub_image(ctx
, 2, texObj
, texObj
->Target
, level
,
4281 xoffset
, yoffset
, 0,
4282 x
, y
, width
, height
, self
);
4288 _mesa_CopyTextureSubImage3D(GLuint texture
, GLint level
,
4289 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4290 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
4292 struct gl_texture_object
* texObj
;
4293 const char *self
= "glCopyTextureSubImage3D";
4294 GET_CURRENT_CONTEXT(ctx
);
4296 texObj
= _mesa_lookup_texture_err(ctx
, texture
, self
);
4300 /* Check target (proxies not allowed). */
4301 if (!legal_texsubimage_target(ctx
, 3, texObj
->Target
, true)) {
4302 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", self
,
4303 _mesa_enum_to_string(texObj
->Target
));
4307 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4308 /* Act like CopyTexSubImage2D */
4309 _mesa_copy_texture_sub_image(ctx
, 2, texObj
,
4310 GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ zoffset
,
4311 level
, xoffset
, yoffset
, 0,
4312 x
, y
, width
, height
, self
);
4315 _mesa_copy_texture_sub_image(ctx
, 3, texObj
, texObj
->Target
, level
,
4316 xoffset
, yoffset
, zoffset
,
4317 x
, y
, width
, height
, self
);
4321 check_clear_tex_image(struct gl_context
*ctx
,
4322 const char *function
,
4323 struct gl_texture_image
*texImage
,
4324 GLenum format
, GLenum type
,
4326 GLubyte
*clearValue
)
4328 struct gl_texture_object
*texObj
= texImage
->TexObject
;
4329 static const GLubyte zeroData
[MAX_PIXEL_BYTES
];
4330 GLenum internalFormat
= texImage
->InternalFormat
;
4333 if (texObj
->Target
== GL_TEXTURE_BUFFER
) {
4334 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4335 "%s(buffer texture)", function
);
4339 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
4340 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4341 "%s(compressed texture)", function
);
4345 err
= _mesa_error_check_format_and_type(ctx
, format
, type
);
4346 if (err
!= GL_NO_ERROR
) {
4347 _mesa_error(ctx
, err
,
4348 "%s(incompatible format = %s, type = %s)",
4350 _mesa_enum_to_string(format
),
4351 _mesa_enum_to_string(type
));
4355 /* make sure internal format and format basically agree */
4356 if (!texture_formats_agree(internalFormat
, format
)) {
4357 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4358 "%s(incompatible internalFormat = %s, format = %s)",
4360 _mesa_enum_to_string(internalFormat
),
4361 _mesa_enum_to_string(format
));
4365 if (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_texture_integer
) {
4366 /* both source and dest must be integer-valued, or neither */
4367 if (_mesa_is_format_integer_color(texImage
->TexFormat
) !=
4368 _mesa_is_enum_format_integer(format
)) {
4369 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4370 "%s(integer/non-integer format mismatch)",
4376 if (!_mesa_texstore(ctx
,
4378 texImage
->_BaseFormat
,
4379 texImage
->TexFormat
,
4380 0, /* dstRowStride */
4382 1, 1, 1, /* srcWidth/Height/Depth */
4384 data
? data
: zeroData
,
4385 &ctx
->DefaultPacking
)) {
4386 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid format)", function
);
4393 static struct gl_texture_object
*
4394 get_tex_obj_for_clear(struct gl_context
*ctx
,
4395 const char *function
,
4398 struct gl_texture_object
*texObj
;
4401 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(zero texture)", function
);
4405 texObj
= _mesa_lookup_texture(ctx
, texture
);
4407 if (texObj
== NULL
) {
4408 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", function
);
4412 if (texObj
->Target
== 0) {
4413 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unbound tex)", function
);
4421 get_tex_images_for_clear(struct gl_context
*ctx
,
4422 const char *function
,
4423 struct gl_texture_object
*texObj
,
4425 struct gl_texture_image
**texImages
)
4430 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
4431 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4435 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
4436 for (i
= 0; i
< MAX_FACES
; i
++) {
4437 target
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ i
;
4439 texImages
[i
] = _mesa_select_tex_image(texObj
, target
, level
);
4440 if (texImages
[i
] == NULL
) {
4441 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4442 "%s(invalid level)", function
);
4450 texImages
[0] = _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4452 if (texImages
[0] == NULL
) {
4453 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid level)", function
);
4461 _mesa_ClearTexSubImage( GLuint texture
, GLint level
,
4462 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4463 GLsizei width
, GLsizei height
, GLsizei depth
,
4464 GLenum format
, GLenum type
, const void *data
)
4466 GET_CURRENT_CONTEXT(ctx
);
4467 struct gl_texture_object
*texObj
;
4468 struct gl_texture_image
*texImages
[MAX_FACES
];
4469 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4471 int minDepth
, maxDepth
;
4473 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexSubImage", texture
);
4478 _mesa_lock_texture(ctx
, texObj
);
4480 numImages
= get_tex_images_for_clear(ctx
, "glClearTexSubImage",
4481 texObj
, level
, texImages
);
4485 if (numImages
== 1) {
4486 minDepth
= -(int) texImages
[0]->Border
;
4487 maxDepth
= texImages
[0]->Depth
;
4490 maxDepth
= numImages
;
4493 if (xoffset
< -(GLint
) texImages
[0]->Border
||
4494 yoffset
< -(GLint
) texImages
[0]->Border
||
4495 zoffset
< minDepth
||
4499 xoffset
+ width
> texImages
[0]->Width
||
4500 yoffset
+ height
> texImages
[0]->Height
||
4501 zoffset
+ depth
> maxDepth
) {
4502 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4503 "glClearSubTexImage(invalid dimensions)");
4507 if (numImages
== 1) {
4508 if (check_clear_tex_image(ctx
, "glClearTexSubImage",
4510 format
, type
, data
, clearValue
[0])) {
4511 ctx
->Driver
.ClearTexSubImage(ctx
,
4513 xoffset
, yoffset
, zoffset
,
4514 width
, height
, depth
,
4515 data
? clearValue
[0] : NULL
);
4518 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4519 if (!check_clear_tex_image(ctx
, "glClearTexSubImage",
4521 format
, type
, data
, clearValue
[i
]))
4524 for (i
= zoffset
; i
< zoffset
+ depth
; i
++) {
4525 ctx
->Driver
.ClearTexSubImage(ctx
,
4527 xoffset
, yoffset
, 0,
4529 data
? clearValue
[i
] : NULL
);
4534 _mesa_unlock_texture(ctx
, texObj
);
4538 _mesa_ClearTexImage( GLuint texture
, GLint level
,
4539 GLenum format
, GLenum type
, const void *data
)
4541 GET_CURRENT_CONTEXT(ctx
);
4542 struct gl_texture_object
*texObj
;
4543 struct gl_texture_image
*texImages
[MAX_FACES
];
4544 GLubyte clearValue
[MAX_FACES
][MAX_PIXEL_BYTES
];
4547 texObj
= get_tex_obj_for_clear(ctx
, "glClearTexImage", texture
);
4552 _mesa_lock_texture(ctx
, texObj
);
4554 numImages
= get_tex_images_for_clear(ctx
, "glClearTexImage",
4555 texObj
, level
, texImages
);
4557 for (i
= 0; i
< numImages
; i
++) {
4558 if (!check_clear_tex_image(ctx
, "glClearTexImage",
4565 for (i
= 0; i
< numImages
; i
++) {
4566 ctx
->Driver
.ClearTexSubImage(ctx
, texImages
[i
],
4567 -(GLint
) texImages
[i
]->Border
, /* xoffset */
4568 -(GLint
) texImages
[i
]->Border
, /* yoffset */
4569 -(GLint
) texImages
[i
]->Border
, /* zoffset */
4570 texImages
[i
]->Width
,
4571 texImages
[i
]->Height
,
4572 texImages
[i
]->Depth
,
4573 data
? clearValue
[i
] : NULL
);
4577 _mesa_unlock_texture(ctx
, texObj
);
4583 /**********************************************************************/
4584 /****** Compressed Textures ******/
4585 /**********************************************************************/
4589 * Target checking for glCompressedTexSubImage[123]D().
4590 * \return GL_TRUE if error, GL_FALSE if no error
4591 * Must come before other error checking so that the texture object can
4592 * be correctly retrieved using _mesa_get_current_tex_object.
4595 compressed_subtexture_target_check(struct gl_context
*ctx
, GLenum target
,
4596 GLint dims
, GLenum format
, bool dsa
,
4601 if (dsa
&& target
== GL_TEXTURE_RECTANGLE
) {
4602 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(invalid target %s)", caller
,
4603 _mesa_enum_to_string(target
));
4613 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
4614 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
4615 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
4616 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
4617 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
4618 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
4619 targetOK
= ctx
->Extensions
.ARB_texture_cube_map
;
4622 targetOK
= GL_FALSE
;
4628 case GL_TEXTURE_CUBE_MAP
:
4629 targetOK
= dsa
&& ctx
->Extensions
.ARB_texture_cube_map
;
4631 case GL_TEXTURE_2D_ARRAY
:
4632 targetOK
= _mesa_is_gles3(ctx
) ||
4633 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
);
4635 case GL_TEXTURE_CUBE_MAP_ARRAY
:
4636 targetOK
= ctx
->Extensions
.ARB_texture_cube_map_array
;
4641 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
4643 * "An INVALID_OPERATION error is generated by
4644 * CompressedTex*SubImage3D if the internal format of the texture
4645 * is one of the EAC, ETC2, or RGTC formats and either border is
4646 * non-zero, or the effective target for the texture is not
4647 * TEXTURE_2D_ARRAY."
4649 * NOTE: that's probably a spec error. It should probably say
4650 * "... or the effective target for the texture is not
4651 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
4652 * GL_TEXTURE_CUBE_MAP_ARRAY."
4653 * since those targets are 2D images and they support all compression
4656 * Instead of listing all these, just list those which are allowed,
4657 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
4658 * more) are valid here, which they are not, but of course not
4659 * mentioned by core spec.
4662 /* These are the only 3D compression formats supported at this time */
4663 case GL_COMPRESSED_RGBA_BPTC_UNORM
:
4664 case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM
:
4665 case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT
:
4666 case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT
:
4670 /* invalid format */
4671 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4672 "%s(invalid target %s for format %s)", caller
,
4673 _mesa_enum_to_string(target
),
4674 _mesa_enum_to_string(format
));
4679 targetOK
= GL_FALSE
;
4685 /* no 1D compressed textures at this time */
4686 targetOK
= GL_FALSE
;
4691 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(invalid target %s)", caller
,
4692 _mesa_enum_to_string(target
));
4700 * Error checking for glCompressedTexSubImage[123]D().
4701 * \return GL_TRUE if error, GL_FALSE if no error
4704 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dims
,
4705 const struct gl_texture_object
*texObj
,
4706 GLenum target
, GLint level
,
4707 GLint xoffset
, GLint yoffset
, GLint zoffset
,
4708 GLsizei width
, GLsizei height
, GLsizei depth
,
4709 GLenum format
, GLsizei imageSize
,
4710 const GLvoid
*data
, const char *callerName
)
4712 struct gl_texture_image
*texImage
;
4715 /* this will catch any invalid compressed format token */
4716 if (!_mesa_is_compressed_format(ctx
, format
)) {
4717 _mesa_error(ctx
, GL_INVALID_ENUM
,
4718 "%s(format)", callerName
);
4722 if (level
< 0 || level
>= _mesa_max_texture_levels(ctx
, target
)) {
4723 _mesa_error(ctx
, GL_INVALID_VALUE
,
4729 /* validate the bound PBO, if any */
4730 if (!_mesa_validate_pbo_source_compressed(ctx
, dims
, &ctx
->Unpack
,
4731 imageSize
, data
, callerName
)) {
4735 /* Check for invalid pixel storage modes */
4736 if (!_mesa_compressed_pixel_storage_error_check(ctx
, dims
,
4737 &ctx
->Unpack
, callerName
)) {
4741 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
4742 if (expectedSize
!= imageSize
) {
4743 _mesa_error(ctx
, GL_INVALID_VALUE
,
4745 callerName
, imageSize
);
4749 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4751 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4752 "%s(invalid texture image)",
4757 if ((GLint
) format
!= texImage
->InternalFormat
) {
4758 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4760 callerName
, format
);
4764 if (compressedteximage_only_format(ctx
, format
)) {
4765 _mesa_error(ctx
, GL_INVALID_OPERATION
,
4766 "%s(format=0x%x cannot be updated)",
4767 callerName
, format
);
4771 if (error_check_subtexture_dimensions(ctx
, dims
,
4772 texImage
, xoffset
, yoffset
, zoffset
,
4773 width
, height
, depth
,
4783 _mesa_CompressedTexImage1D(GLenum target
, GLint level
,
4784 GLenum internalFormat
, GLsizei width
,
4785 GLint border
, GLsizei imageSize
,
4788 GET_CURRENT_CONTEXT(ctx
);
4789 teximage(ctx
, GL_TRUE
, 1, target
, level
, internalFormat
,
4790 width
, 1, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4795 _mesa_CompressedTexImage2D(GLenum target
, GLint level
,
4796 GLenum internalFormat
, GLsizei width
,
4797 GLsizei height
, GLint border
, GLsizei imageSize
,
4800 GET_CURRENT_CONTEXT(ctx
);
4801 teximage(ctx
, GL_TRUE
, 2, target
, level
, internalFormat
,
4802 width
, height
, 1, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4807 _mesa_CompressedTexImage3D(GLenum target
, GLint level
,
4808 GLenum internalFormat
, GLsizei width
,
4809 GLsizei height
, GLsizei depth
, GLint border
,
4810 GLsizei imageSize
, const GLvoid
*data
)
4812 GET_CURRENT_CONTEXT(ctx
);
4813 teximage(ctx
, GL_TRUE
, 3, target
, level
, internalFormat
,
4814 width
, height
, depth
, border
, GL_NONE
, GL_NONE
, imageSize
, data
);
4819 * Common helper for glCompressedTexSubImage1/2/3D() and
4820 * glCompressedTextureSubImage1/2/3D().
4823 _mesa_compressed_texture_sub_image(struct gl_context
*ctx
, GLuint dims
,
4824 struct gl_texture_object
*texObj
,
4825 struct gl_texture_image
*texImage
,
4826 GLenum target
, GLint level
,
4827 GLint xoffset
, GLint yoffset
,
4829 GLsizei width
, GLsizei height
,
4831 GLenum format
, GLsizei imageSize
,
4834 FLUSH_VERTICES(ctx
, 0);
4836 _mesa_lock_texture(ctx
, texObj
);
4838 if (width
> 0 && height
> 0 && depth
> 0) {
4839 ctx
->Driver
.CompressedTexSubImage(ctx
, dims
, texImage
,
4840 xoffset
, yoffset
, zoffset
,
4841 width
, height
, depth
,
4842 format
, imageSize
, data
);
4844 check_gen_mipmap(ctx
, target
, texObj
, level
);
4846 /* NOTE: Don't signal _NEW_TEXTURE since we've only changed
4847 * the texel data, not the texture format, size, etc.
4851 _mesa_unlock_texture(ctx
, texObj
);
4856 _mesa_CompressedTexSubImage1D(GLenum target
, GLint level
, GLint xoffset
,
4857 GLsizei width
, GLenum format
,
4858 GLsizei imageSize
, const GLvoid
*data
)
4860 struct gl_texture_object
*texObj
;
4861 struct gl_texture_image
*texImage
;
4863 GET_CURRENT_CONTEXT(ctx
);
4865 if (compressed_subtexture_target_check(ctx
, target
, 1, format
, false,
4866 "glCompressedTexSubImage1D")) {
4870 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4874 if (compressed_subtexture_error_check(ctx
, 1, texObj
, target
,
4875 level
, xoffset
, 0, 0,
4877 format
, imageSize
, data
,
4878 "glCompressedTexSubImage1D")) {
4882 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4885 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
, target
, level
,
4886 xoffset
, 0, 0, width
, 1, 1,
4887 format
, imageSize
, data
);
4891 _mesa_CompressedTextureSubImage1D(GLuint texture
, GLint level
, GLint xoffset
,
4892 GLsizei width
, GLenum format
,
4893 GLsizei imageSize
, const GLvoid
*data
)
4895 struct gl_texture_object
*texObj
;
4896 struct gl_texture_image
*texImage
;
4898 GET_CURRENT_CONTEXT(ctx
);
4900 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4901 "glCompressedTextureSubImage1D");
4905 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 1, format
, true,
4906 "glCompressedTextureSubImage1D")) {
4910 if (compressed_subtexture_error_check(ctx
, 1, texObj
, texObj
->Target
,
4911 level
, xoffset
, 0, 0,
4913 format
, imageSize
, data
,
4914 "glCompressedTextureSubImage1D")) {
4918 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4921 _mesa_compressed_texture_sub_image(ctx
, 1, texObj
, texImage
,
4922 texObj
->Target
, level
,
4923 xoffset
, 0, 0, width
, 1, 1,
4924 format
, imageSize
, data
);
4929 _mesa_CompressedTexSubImage2D(GLenum target
, GLint level
, GLint xoffset
,
4930 GLint yoffset
, GLsizei width
, GLsizei height
,
4931 GLenum format
, GLsizei imageSize
,
4934 struct gl_texture_object
*texObj
;
4935 struct gl_texture_image
*texImage
;
4937 GET_CURRENT_CONTEXT(ctx
);
4939 if (compressed_subtexture_target_check(ctx
, target
, 2, format
, false,
4940 "glCompressedTexSubImage2D")) {
4944 texObj
= _mesa_get_current_tex_object(ctx
, target
);
4948 if (compressed_subtexture_error_check(ctx
, 2, texObj
, target
,
4949 level
, xoffset
, yoffset
, 0,
4951 format
, imageSize
, data
,
4952 "glCompressedTexSubImage2D")) {
4957 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
4960 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
, target
, level
,
4961 xoffset
, yoffset
, 0, width
, height
, 1,
4962 format
, imageSize
, data
);
4966 _mesa_CompressedTextureSubImage2D(GLuint texture
, GLint level
, GLint xoffset
,
4968 GLsizei width
, GLsizei height
,
4969 GLenum format
, GLsizei imageSize
,
4972 struct gl_texture_object
*texObj
;
4973 struct gl_texture_image
*texImage
;
4975 GET_CURRENT_CONTEXT(ctx
);
4977 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
4978 "glCompressedTextureSubImage2D");
4982 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 2, format
, true,
4983 "glCompressedTextureSubImage2D")) {
4987 if (compressed_subtexture_error_check(ctx
, 2, texObj
, texObj
->Target
,
4988 level
, xoffset
, yoffset
, 0,
4990 format
, imageSize
, data
,
4991 "glCompressedTextureSubImage2D")) {
4995 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
4998 _mesa_compressed_texture_sub_image(ctx
, 2, texObj
, texImage
,
4999 texObj
->Target
, level
,
5000 xoffset
, yoffset
, 0, width
, height
, 1,
5001 format
, imageSize
, data
);
5005 _mesa_CompressedTexSubImage3D(GLenum target
, GLint level
, GLint xoffset
,
5006 GLint yoffset
, GLint zoffset
, GLsizei width
,
5007 GLsizei height
, GLsizei depth
, GLenum format
,
5008 GLsizei imageSize
, const GLvoid
*data
)
5010 struct gl_texture_object
*texObj
;
5011 struct gl_texture_image
*texImage
;
5013 GET_CURRENT_CONTEXT(ctx
);
5015 if (compressed_subtexture_target_check(ctx
, target
, 3, format
, false,
5016 "glCompressedTexSubImage3D")) {
5020 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5024 if (compressed_subtexture_error_check(ctx
, 3, texObj
, target
,
5025 level
, xoffset
, yoffset
, zoffset
,
5026 width
, height
, depth
,
5027 format
, imageSize
, data
,
5028 "glCompressedTexSubImage3D")) {
5033 texImage
= _mesa_select_tex_image(texObj
, target
, level
);
5036 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
, target
, level
,
5037 xoffset
, yoffset
, zoffset
,
5038 width
, height
, depth
,
5039 format
, imageSize
, data
);
5043 _mesa_CompressedTextureSubImage3D(GLuint texture
, GLint level
, GLint xoffset
,
5044 GLint yoffset
, GLint zoffset
, GLsizei width
,
5045 GLsizei height
, GLsizei depth
,
5046 GLenum format
, GLsizei imageSize
,
5049 struct gl_texture_object
*texObj
;
5050 struct gl_texture_image
*texImage
;
5052 GET_CURRENT_CONTEXT(ctx
);
5054 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5055 "glCompressedTextureSubImage3D");
5059 if (compressed_subtexture_target_check(ctx
, texObj
->Target
, 3, format
, true,
5060 "glCompressedTextureSubImage3D")) {
5064 if (compressed_subtexture_error_check(ctx
, 3, texObj
, texObj
->Target
,
5065 level
, xoffset
, yoffset
, zoffset
,
5066 width
, height
, depth
,
5067 format
, imageSize
, data
,
5068 "glCompressedTextureSubImage3D")) {
5072 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5073 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
) {
5074 const char *pixels
= data
;
5078 /* Make sure the texture object is a proper cube.
5079 * (See texturesubimage in teximage.c for details on why this check is
5082 if (!_mesa_cube_level_complete(texObj
, level
)) {
5083 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5084 "glCompressedTextureSubImage3D(cube map incomplete)");
5088 /* Copy in each face. */
5089 for (i
= 0; i
< 6; ++i
) {
5090 texImage
= texObj
->Image
[i
][level
];
5093 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5094 texObj
->Target
, level
,
5095 xoffset
, yoffset
, zoffset
,
5097 format
, imageSize
, pixels
);
5099 /* Compressed images don't have a client format */
5100 image_stride
= _mesa_format_image_size(texImage
->TexFormat
,
5102 texImage
->Height
, 1);
5104 pixels
+= image_stride
;
5105 imageSize
-= image_stride
;
5109 texImage
= _mesa_select_tex_image(texObj
, texObj
->Target
, level
);
5112 _mesa_compressed_texture_sub_image(ctx
, 3, texObj
, texImage
,
5113 texObj
->Target
, level
,
5114 xoffset
, yoffset
, zoffset
,
5115 width
, height
, depth
,
5116 format
, imageSize
, data
);
5121 get_texbuffer_format(const struct gl_context
*ctx
, GLenum internalFormat
)
5123 if (ctx
->API
!= API_OPENGL_CORE
) {
5124 switch (internalFormat
) {
5126 return MESA_FORMAT_A_UNORM8
;
5128 return MESA_FORMAT_A_UNORM16
;
5129 case GL_ALPHA16F_ARB
:
5130 return MESA_FORMAT_A_FLOAT16
;
5131 case GL_ALPHA32F_ARB
:
5132 return MESA_FORMAT_A_FLOAT32
;
5133 case GL_ALPHA8I_EXT
:
5134 return MESA_FORMAT_A_SINT8
;
5135 case GL_ALPHA16I_EXT
:
5136 return MESA_FORMAT_A_SINT16
;
5137 case GL_ALPHA32I_EXT
:
5138 return MESA_FORMAT_A_SINT32
;
5139 case GL_ALPHA8UI_EXT
:
5140 return MESA_FORMAT_A_UINT8
;
5141 case GL_ALPHA16UI_EXT
:
5142 return MESA_FORMAT_A_UINT16
;
5143 case GL_ALPHA32UI_EXT
:
5144 return MESA_FORMAT_A_UINT32
;
5146 return MESA_FORMAT_L_UNORM8
;
5147 case GL_LUMINANCE16
:
5148 return MESA_FORMAT_L_UNORM16
;
5149 case GL_LUMINANCE16F_ARB
:
5150 return MESA_FORMAT_L_FLOAT16
;
5151 case GL_LUMINANCE32F_ARB
:
5152 return MESA_FORMAT_L_FLOAT32
;
5153 case GL_LUMINANCE8I_EXT
:
5154 return MESA_FORMAT_L_SINT8
;
5155 case GL_LUMINANCE16I_EXT
:
5156 return MESA_FORMAT_L_SINT16
;
5157 case GL_LUMINANCE32I_EXT
:
5158 return MESA_FORMAT_L_SINT32
;
5159 case GL_LUMINANCE8UI_EXT
:
5160 return MESA_FORMAT_L_UINT8
;
5161 case GL_LUMINANCE16UI_EXT
:
5162 return MESA_FORMAT_L_UINT16
;
5163 case GL_LUMINANCE32UI_EXT
:
5164 return MESA_FORMAT_L_UINT32
;
5165 case GL_LUMINANCE8_ALPHA8
:
5166 return MESA_FORMAT_L8A8_UNORM
;
5167 case GL_LUMINANCE16_ALPHA16
:
5168 return MESA_FORMAT_L16A16_UNORM
;
5169 case GL_LUMINANCE_ALPHA16F_ARB
:
5170 return MESA_FORMAT_LA_FLOAT16
;
5171 case GL_LUMINANCE_ALPHA32F_ARB
:
5172 return MESA_FORMAT_LA_FLOAT32
;
5173 case GL_LUMINANCE_ALPHA8I_EXT
:
5174 return MESA_FORMAT_LA_SINT8
;
5175 case GL_LUMINANCE_ALPHA16I_EXT
:
5176 return MESA_FORMAT_LA_SINT16
;
5177 case GL_LUMINANCE_ALPHA32I_EXT
:
5178 return MESA_FORMAT_LA_SINT32
;
5179 case GL_LUMINANCE_ALPHA8UI_EXT
:
5180 return MESA_FORMAT_LA_UINT8
;
5181 case GL_LUMINANCE_ALPHA16UI_EXT
:
5182 return MESA_FORMAT_LA_UINT16
;
5183 case GL_LUMINANCE_ALPHA32UI_EXT
:
5184 return MESA_FORMAT_LA_UINT32
;
5186 return MESA_FORMAT_I_UNORM8
;
5187 case GL_INTENSITY16
:
5188 return MESA_FORMAT_I_UNORM16
;
5189 case GL_INTENSITY16F_ARB
:
5190 return MESA_FORMAT_I_FLOAT16
;
5191 case GL_INTENSITY32F_ARB
:
5192 return MESA_FORMAT_I_FLOAT32
;
5193 case GL_INTENSITY8I_EXT
:
5194 return MESA_FORMAT_I_SINT8
;
5195 case GL_INTENSITY16I_EXT
:
5196 return MESA_FORMAT_I_SINT16
;
5197 case GL_INTENSITY32I_EXT
:
5198 return MESA_FORMAT_I_SINT32
;
5199 case GL_INTENSITY8UI_EXT
:
5200 return MESA_FORMAT_I_UINT8
;
5201 case GL_INTENSITY16UI_EXT
:
5202 return MESA_FORMAT_I_UINT16
;
5203 case GL_INTENSITY32UI_EXT
:
5204 return MESA_FORMAT_I_UINT32
;
5210 if (ctx
->API
== API_OPENGL_CORE
&&
5211 ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5212 switch (internalFormat
) {
5214 return MESA_FORMAT_RGB_FLOAT32
;
5216 return MESA_FORMAT_RGB_UINT32
;
5218 return MESA_FORMAT_RGB_SINT32
;
5224 switch (internalFormat
) {
5226 return MESA_FORMAT_R8G8B8A8_UNORM
;
5228 return MESA_FORMAT_RGBA_UNORM16
;
5229 case GL_RGBA16F_ARB
:
5230 return MESA_FORMAT_RGBA_FLOAT16
;
5231 case GL_RGBA32F_ARB
:
5232 return MESA_FORMAT_RGBA_FLOAT32
;
5234 return MESA_FORMAT_RGBA_SINT8
;
5235 case GL_RGBA16I_EXT
:
5236 return MESA_FORMAT_RGBA_SINT16
;
5237 case GL_RGBA32I_EXT
:
5238 return MESA_FORMAT_RGBA_SINT32
;
5239 case GL_RGBA8UI_EXT
:
5240 return MESA_FORMAT_RGBA_UINT8
;
5241 case GL_RGBA16UI_EXT
:
5242 return MESA_FORMAT_RGBA_UINT16
;
5243 case GL_RGBA32UI_EXT
:
5244 return MESA_FORMAT_RGBA_UINT32
;
5247 return MESA_FORMAT_R8G8_UNORM
;
5249 return MESA_FORMAT_R16G16_UNORM
;
5251 return MESA_FORMAT_RG_FLOAT16
;
5253 return MESA_FORMAT_RG_FLOAT32
;
5255 return MESA_FORMAT_RG_SINT8
;
5257 return MESA_FORMAT_RG_SINT16
;
5259 return MESA_FORMAT_RG_SINT32
;
5261 return MESA_FORMAT_RG_UINT8
;
5263 return MESA_FORMAT_RG_UINT16
;
5265 return MESA_FORMAT_RG_UINT32
;
5268 return MESA_FORMAT_R_UNORM8
;
5270 return MESA_FORMAT_R_UNORM16
;
5272 return MESA_FORMAT_R_FLOAT16
;
5274 return MESA_FORMAT_R_FLOAT32
;
5276 return MESA_FORMAT_R_SINT8
;
5278 return MESA_FORMAT_R_SINT16
;
5280 return MESA_FORMAT_R_SINT32
;
5282 return MESA_FORMAT_R_UINT8
;
5284 return MESA_FORMAT_R_UINT16
;
5286 return MESA_FORMAT_R_UINT32
;
5289 return MESA_FORMAT_NONE
;
5295 _mesa_validate_texbuffer_format(const struct gl_context
*ctx
,
5296 GLenum internalFormat
)
5298 mesa_format format
= get_texbuffer_format(ctx
, internalFormat
);
5301 if (format
== MESA_FORMAT_NONE
)
5302 return MESA_FORMAT_NONE
;
5304 datatype
= _mesa_get_format_datatype(format
);
5306 /* The GL_ARB_texture_buffer_object spec says:
5308 * "If ARB_texture_float is not supported, references to the
5309 * floating-point internal formats provided by that extension should be
5310 * removed, and such formats may not be passed to TexBufferARB."
5312 * As a result, GL_HALF_FLOAT internal format depends on both
5313 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
5315 if ((datatype
== GL_FLOAT
|| datatype
== GL_HALF_FLOAT
) &&
5316 !ctx
->Extensions
.ARB_texture_float
)
5317 return MESA_FORMAT_NONE
;
5319 if (!ctx
->Extensions
.ARB_texture_rg
) {
5320 GLenum base_format
= _mesa_get_format_base_format(format
);
5321 if (base_format
== GL_R
|| base_format
== GL_RG
)
5322 return MESA_FORMAT_NONE
;
5325 if (!ctx
->Extensions
.ARB_texture_buffer_object_rgb32
) {
5326 GLenum base_format
= _mesa_get_format_base_format(format
);
5327 if (base_format
== GL_RGB
)
5328 return MESA_FORMAT_NONE
;
5335 _mesa_texture_buffer_range(struct gl_context
*ctx
,
5336 struct gl_texture_object
*texObj
,
5337 GLenum internalFormat
,
5338 struct gl_buffer_object
*bufObj
,
5339 GLintptr offset
, GLsizeiptr size
,
5344 /* NOTE: ARB_texture_buffer_object has interactions with
5345 * the compatibility profile that are not implemented.
5347 if (!(ctx
->API
== API_OPENGL_CORE
&&
5348 ctx
->Extensions
.ARB_texture_buffer_object
)) {
5349 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5350 "%s(ARB_texture_buffer_object is not"
5351 " implemented for the compatibility profile)", caller
);
5355 format
= _mesa_validate_texbuffer_format(ctx
, internalFormat
);
5356 if (format
== MESA_FORMAT_NONE
) {
5357 _mesa_error(ctx
, GL_INVALID_ENUM
,
5358 "%s(internalFormat 0x%x)", caller
, internalFormat
);
5362 FLUSH_VERTICES(ctx
, 0);
5364 _mesa_lock_texture(ctx
, texObj
);
5366 _mesa_reference_buffer_object(ctx
, &texObj
->BufferObject
, bufObj
);
5367 texObj
->BufferObjectFormat
= internalFormat
;
5368 texObj
->_BufferObjectFormat
= format
;
5369 texObj
->BufferOffset
= offset
;
5370 texObj
->BufferSize
= size
;
5372 _mesa_unlock_texture(ctx
, texObj
);
5374 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTextureBuffer
;
5377 bufObj
->UsageHistory
|= USAGE_TEXTURE_BUFFER
;
5383 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
5384 * Return true if it is, and return false if it is not
5385 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
5386 * core spec, 02.02.2015, PDF page 245).
5389 check_texture_buffer_target(struct gl_context
*ctx
, GLenum target
,
5392 if (target
!= GL_TEXTURE_BUFFER_ARB
) {
5393 _mesa_error(ctx
, GL_INVALID_ENUM
,
5394 "%s(texture target is not GL_TEXTURE_BUFFER)", caller
);
5402 * Check for errors related to the texture buffer range.
5403 * Return false if errors are found, true if none are found.
5406 check_texture_buffer_range(struct gl_context
*ctx
,
5407 struct gl_buffer_object
*bufObj
,
5408 GLintptr offset
, GLsizeiptr size
,
5411 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5412 * Textures (PDF page 245):
5413 * "An INVALID_VALUE error is generated if offset is negative, if
5414 * size is less than or equal to zero, or if offset + size is greater
5415 * than the value of BUFFER_SIZE for the buffer bound to target."
5418 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(offset=%d < 0)", caller
,
5424 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d <= 0)", caller
,
5429 if (offset
+ size
> bufObj
->Size
) {
5430 _mesa_error(ctx
, GL_INVALID_VALUE
,
5431 "%s(offset=%d + size=%d > buffer_size=%d)", caller
,
5432 (int) offset
, (int) size
, (int) bufObj
->Size
);
5436 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5437 * Textures (PDF page 245):
5438 * "An INVALID_VALUE error is generated if offset is not an integer
5439 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
5441 if (offset
% ctx
->Const
.TextureBufferOffsetAlignment
) {
5442 _mesa_error(ctx
, GL_INVALID_VALUE
,
5443 "%s(invalid offset alignment)", caller
);
5451 /** GL_ARB_texture_buffer_object */
5453 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
)
5455 struct gl_texture_object
*texObj
;
5456 struct gl_buffer_object
*bufObj
;
5458 GET_CURRENT_CONTEXT(ctx
);
5460 /* Need to catch a bad target before it gets to
5461 * _mesa_get_current_tex_object.
5463 if (!check_texture_buffer_target(ctx
, target
, "glTexBuffer"))
5467 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBuffer");
5473 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5477 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
, 0,
5478 buffer
? -1 : 0, "glTexBuffer");
5482 /** GL_ARB_texture_buffer_range */
5484 _mesa_TexBufferRange(GLenum target
, GLenum internalFormat
, GLuint buffer
,
5485 GLintptr offset
, GLsizeiptr size
)
5487 struct gl_texture_object
*texObj
;
5488 struct gl_buffer_object
*bufObj
;
5490 GET_CURRENT_CONTEXT(ctx
);
5492 /* Need to catch a bad target before it gets to
5493 * _mesa_get_current_tex_object.
5495 if (!check_texture_buffer_target(ctx
, target
, "glTexBufferRange"))
5499 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTexBufferRange");
5503 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5504 "glTexBufferRange"))
5508 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5509 * Textures (PDF page 254):
5510 * "If buffer is zero, then any buffer object attached to the buffer
5511 * texture is detached, the values offset and size are ignored and
5512 * the state for offset and size for the buffer texture are reset to
5520 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5524 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
, bufObj
,
5525 offset
, size
, "glTexBufferRange");
5529 _mesa_TextureBuffer(GLuint texture
, GLenum internalFormat
, GLuint buffer
)
5531 struct gl_texture_object
*texObj
;
5532 struct gl_buffer_object
*bufObj
;
5534 GET_CURRENT_CONTEXT(ctx
);
5537 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
, "glTextureBuffer");
5543 /* Get the texture object by Name. */
5544 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBuffer");
5548 if (!check_texture_buffer_target(ctx
, texObj
->Target
, "glTextureBuffer"))
5551 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5552 bufObj
, 0, buffer
? -1 : 0, "glTextureBuffer");
5556 _mesa_TextureBufferRange(GLuint texture
, GLenum internalFormat
, GLuint buffer
,
5557 GLintptr offset
, GLsizeiptr size
)
5559 struct gl_texture_object
*texObj
;
5560 struct gl_buffer_object
*bufObj
;
5562 GET_CURRENT_CONTEXT(ctx
);
5565 bufObj
= _mesa_lookup_bufferobj_err(ctx
, buffer
,
5566 "glTextureBufferRange");
5570 if (!check_texture_buffer_range(ctx
, bufObj
, offset
, size
,
5571 "glTextureBufferRange"))
5575 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
5576 * Textures (PDF page 254):
5577 * "If buffer is zero, then any buffer object attached to the buffer
5578 * texture is detached, the values offset and size are ignored and
5579 * the state for offset and size for the buffer texture are reset to
5587 /* Get the texture object by Name. */
5588 texObj
= _mesa_lookup_texture_err(ctx
, texture
, "glTextureBufferRange");
5592 if (!check_texture_buffer_target(ctx
, texObj
->Target
,
5593 "glTextureBufferRange"))
5596 _mesa_texture_buffer_range(ctx
, texObj
, internalFormat
,
5597 bufObj
, offset
, size
, "glTextureBufferRange");
5601 is_renderable_texture_format(struct gl_context
*ctx
, GLenum internalformat
)
5603 /* Everything that is allowed for renderbuffers,
5604 * except for a base format of GL_STENCIL_INDEX, unless supported.
5606 GLenum baseFormat
= _mesa_base_fbo_format(ctx
, internalformat
);
5607 if (ctx
->Extensions
.ARB_texture_stencil8
)
5608 return baseFormat
!= 0;
5610 return baseFormat
!= 0 && baseFormat
!= GL_STENCIL_INDEX
;
5614 /** GL_ARB_texture_multisample */
5616 check_multisample_target(GLuint dims
, GLenum target
, bool dsa
)
5619 case GL_TEXTURE_2D_MULTISAMPLE
:
5621 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
5622 return dims
== 2 && !dsa
;
5623 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5625 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
5626 return dims
== 3 && !dsa
;
5634 texture_image_multisample(struct gl_context
*ctx
, GLuint dims
,
5635 struct gl_texture_object
*texObj
,
5636 GLenum target
, GLsizei samples
,
5637 GLint internalformat
, GLsizei width
,
5638 GLsizei height
, GLsizei depth
,
5639 GLboolean fixedsamplelocations
,
5640 GLboolean immutable
, const char *func
)
5642 struct gl_texture_image
*texImage
;
5643 GLboolean sizeOK
, dimensionsOK
, samplesOK
;
5644 mesa_format texFormat
;
5645 GLenum sample_count_error
;
5646 bool dsa
= strstr(func
, "ture") ? true : false;
5648 if (!((ctx
->Extensions
.ARB_texture_multisample
5649 && _mesa_is_desktop_gl(ctx
))) && !_mesa_is_gles31(ctx
)) {
5650 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
5655 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples < 1)", func
);
5659 if (!check_multisample_target(dims
, target
, dsa
)) {
5661 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", func
);
5665 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
5670 /* check that the specified internalformat is color/depth/stencil-renderable;
5671 * refer GL3.1 spec 4.4.4
5674 if (immutable
&& !_mesa_is_legal_tex_storage_format(ctx
, internalformat
)) {
5675 _mesa_error(ctx
, GL_INVALID_ENUM
,
5676 "%s(internalformat=%s not legal for immutable-format)",
5677 func
, _mesa_enum_to_string(internalformat
));
5681 if (!is_renderable_texture_format(ctx
, internalformat
)) {
5682 /* Page 172 of OpenGL ES 3.1 spec says:
5683 * "An INVALID_ENUM error is generated if sizedinternalformat is not
5684 * color-renderable, depth-renderable, or stencil-renderable (as
5685 * defined in section 9.4).
5687 * (Same error is also defined for desktop OpenGL for multisample
5688 * teximage/texstorage functions.)
5690 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalformat=%s)", func
,
5691 _mesa_enum_to_string(internalformat
));
5695 sample_count_error
= _mesa_check_sample_count(ctx
, target
,
5696 internalformat
, samples
);
5697 samplesOK
= sample_count_error
== GL_NO_ERROR
;
5699 /* Page 254 of OpenGL 4.4 spec says:
5700 * "Proxy arrays for two-dimensional multisample and two-dimensional
5701 * multisample array textures are operated on in the same way when
5702 * TexImage2DMultisample is called with target specified as
5703 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
5704 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
5705 * However, if samples is not supported, then no error is generated.
5707 if (!samplesOK
&& !_mesa_is_proxy_texture(target
)) {
5708 _mesa_error(ctx
, sample_count_error
, "%s(samples)", func
);
5712 if (immutable
&& (!texObj
|| (texObj
->Name
== 0))) {
5713 _mesa_error(ctx
, GL_INVALID_OPERATION
,
5714 "%s(texture object 0)",
5719 texImage
= _mesa_get_tex_image(ctx
, texObj
, 0, 0);
5721 if (texImage
== NULL
) {
5722 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s()", func
);
5726 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, 0,
5727 internalformat
, GL_NONE
, GL_NONE
);
5728 assert(texFormat
!= MESA_FORMAT_NONE
);
5730 dimensionsOK
= _mesa_legal_texture_dimensions(ctx
, target
, 0,
5731 width
, height
, depth
, 0);
5733 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, target
, 0, texFormat
,
5734 width
, height
, depth
, 0);
5736 if (_mesa_is_proxy_texture(target
)) {
5737 if (samplesOK
&& dimensionsOK
&& sizeOK
) {
5738 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5739 internalformat
, texFormat
,
5740 samples
, fixedsamplelocations
);
5743 /* clear all image fields */
5744 clear_teximage_fields(texImage
);
5748 if (!dimensionsOK
) {
5749 _mesa_error(ctx
, GL_INVALID_VALUE
,
5750 "%s(invalid width or height)", func
);
5755 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "%s(texture too large)", func
);
5759 /* Check if texObj->Immutable is set */
5760 if (texObj
->Immutable
) {
5761 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(immutable)", func
);
5765 ctx
->Driver
.FreeTextureImageBuffer(ctx
, texImage
);
5767 init_teximage_fields_ms(ctx
, texImage
, width
, height
, depth
, 0,
5768 internalformat
, texFormat
,
5769 samples
, fixedsamplelocations
);
5771 if (width
> 0 && height
> 0 && depth
> 0) {
5772 if (!ctx
->Driver
.AllocTextureStorage(ctx
, texObj
, 1,
5773 width
, height
, depth
)) {
5774 /* tidy up the texture image state. strictly speaking,
5775 * we're allowed to just leave this in whatever state we
5776 * like, but being tidy is good.
5778 _mesa_init_teximage_fields(ctx
, texImage
,
5779 0, 0, 0, 0, GL_NONE
, MESA_FORMAT_NONE
);
5783 texObj
->Immutable
|= immutable
;
5786 _mesa_set_texture_view_state(ctx
, texObj
, target
, 1);
5789 _mesa_update_fbo_texture(ctx
, texObj
, 0, 0);
5795 _mesa_TexImage2DMultisample(GLenum target
, GLsizei samples
,
5796 GLenum internalformat
, GLsizei width
,
5797 GLsizei height
, GLboolean fixedsamplelocations
)
5799 struct gl_texture_object
*texObj
;
5800 GET_CURRENT_CONTEXT(ctx
);
5802 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5806 texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5807 internalformat
, width
, height
, 1,
5808 fixedsamplelocations
, GL_FALSE
,
5809 "glTexImage2DMultisample");
5814 _mesa_TexImage3DMultisample(GLenum target
, GLsizei samples
,
5815 GLenum internalformat
, GLsizei width
,
5816 GLsizei height
, GLsizei depth
,
5817 GLboolean fixedsamplelocations
)
5819 struct gl_texture_object
*texObj
;
5820 GET_CURRENT_CONTEXT(ctx
);
5822 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5826 texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5827 internalformat
, width
, height
, depth
,
5828 fixedsamplelocations
, GL_FALSE
,
5829 "glTexImage3DMultisample");
5833 valid_texstorage_ms_parameters(GLsizei width
, GLsizei height
, GLsizei depth
,
5834 GLsizei samples
, unsigned dims
)
5836 GET_CURRENT_CONTEXT(ctx
);
5838 if (!_mesa_valid_tex_storage_dim(width
, height
, depth
)) {
5839 _mesa_error(ctx
, GL_INVALID_VALUE
,
5840 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
5841 dims
, width
, height
, depth
);
5848 _mesa_TexStorage2DMultisample(GLenum target
, GLsizei samples
,
5849 GLenum internalformat
, GLsizei width
,
5850 GLsizei height
, GLboolean fixedsamplelocations
)
5852 struct gl_texture_object
*texObj
;
5853 GET_CURRENT_CONTEXT(ctx
);
5855 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5859 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5862 texture_image_multisample(ctx
, 2, texObj
, target
, samples
,
5863 internalformat
, width
, height
, 1,
5864 fixedsamplelocations
, GL_TRUE
,
5865 "glTexStorage2DMultisample");
5869 _mesa_TexStorage3DMultisample(GLenum target
, GLsizei samples
,
5870 GLenum internalformat
, GLsizei width
,
5871 GLsizei height
, GLsizei depth
,
5872 GLboolean fixedsamplelocations
)
5874 struct gl_texture_object
*texObj
;
5875 GET_CURRENT_CONTEXT(ctx
);
5877 texObj
= _mesa_get_current_tex_object(ctx
, target
);
5881 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5884 texture_image_multisample(ctx
, 3, texObj
, target
, samples
,
5885 internalformat
, width
, height
, depth
,
5886 fixedsamplelocations
, GL_TRUE
,
5887 "glTexStorage3DMultisample");
5891 _mesa_TextureStorage2DMultisample(GLuint texture
, GLsizei samples
,
5892 GLenum internalformat
, GLsizei width
,
5894 GLboolean fixedsamplelocations
)
5896 struct gl_texture_object
*texObj
;
5897 GET_CURRENT_CONTEXT(ctx
);
5899 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5900 "glTextureStorage2DMultisample");
5904 if (!valid_texstorage_ms_parameters(width
, height
, 1, samples
, 2))
5907 texture_image_multisample(ctx
, 2, texObj
, texObj
->Target
, samples
,
5908 internalformat
, width
, height
, 1,
5909 fixedsamplelocations
, GL_TRUE
,
5910 "glTextureStorage2DMultisample");
5914 _mesa_TextureStorage3DMultisample(GLuint texture
, GLsizei samples
,
5915 GLenum internalformat
, GLsizei width
,
5916 GLsizei height
, GLsizei depth
,
5917 GLboolean fixedsamplelocations
)
5919 struct gl_texture_object
*texObj
;
5920 GET_CURRENT_CONTEXT(ctx
);
5922 /* Get the texture object by Name. */
5923 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
5924 "glTextureStorage3DMultisample");
5928 if (!valid_texstorage_ms_parameters(width
, height
, depth
, samples
, 3))
5931 texture_image_multisample(ctx
, 3, texObj
, texObj
->Target
, samples
,
5932 internalformat
, width
, height
, depth
,
5933 fixedsamplelocations
, GL_TRUE
,
5934 "glTextureStorage3DMultisample");