2 * mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 * Texture image-related functions.
34 #include "bufferobj.h"
38 #include "framebuffer.h"
44 #include "texcompress.h"
53 * State changes which we care about for glCopyTex[Sub]Image() calls.
54 * In particular, we care about pixel transfer state and buffer state
55 * (such as glReadBuffer to make sure we read from the right renderbuffer).
57 #define NEW_COPY_TEX_STATE (_MESA_NEW_TRANSFER_STATE | \
64 * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
68 _mesa_alloc_texmemory(GLsizei bytes
)
70 return _mesa_align_malloc(bytes
, 512);
75 * Free texture memory allocated with _mesa_alloc_texmemory()
78 _mesa_free_texmemory(void *m
)
85 * Compute floor(log_base_2(n)).
115 * Return the simple base format for a given internal texture format.
116 * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
118 * \param ctx GL context.
119 * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
121 * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
122 * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
124 * This is the format which is used during texture application (i.e. the
125 * texture format and env mode determine the arithmetic used.
127 * XXX this could be static
130 _mesa_base_tex_format( struct gl_context
*ctx
, GLint internalFormat
)
132 switch (internalFormat
) {
147 case GL_LUMINANCE_ALPHA
:
148 case GL_LUMINANCE4_ALPHA4
:
149 case GL_LUMINANCE6_ALPHA2
:
150 case GL_LUMINANCE8_ALPHA8
:
151 case GL_LUMINANCE12_ALPHA4
:
152 case GL_LUMINANCE12_ALPHA12
:
153 case GL_LUMINANCE16_ALPHA16
:
154 return GL_LUMINANCE_ALPHA
;
185 if (ctx
->Extensions
.EXT_paletted_texture
) {
186 switch (internalFormat
) {
188 case GL_COLOR_INDEX1_EXT
:
189 case GL_COLOR_INDEX2_EXT
:
190 case GL_COLOR_INDEX4_EXT
:
191 case GL_COLOR_INDEX8_EXT
:
192 case GL_COLOR_INDEX12_EXT
:
193 case GL_COLOR_INDEX16_EXT
:
194 return GL_COLOR_INDEX
;
200 if (ctx
->Extensions
.ARB_depth_texture
) {
201 switch (internalFormat
) {
202 case GL_DEPTH_COMPONENT
:
203 case GL_DEPTH_COMPONENT16
:
204 case GL_DEPTH_COMPONENT24
:
205 case GL_DEPTH_COMPONENT32
:
206 return GL_DEPTH_COMPONENT
;
212 switch (internalFormat
) {
213 case GL_COMPRESSED_ALPHA
:
215 case GL_COMPRESSED_LUMINANCE
:
217 case GL_COMPRESSED_LUMINANCE_ALPHA
:
218 return GL_LUMINANCE_ALPHA
;
219 case GL_COMPRESSED_INTENSITY
:
221 case GL_COMPRESSED_RGB
:
223 case GL_COMPRESSED_RGBA
:
229 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
) {
230 switch (internalFormat
) {
231 case GL_COMPRESSED_RGB_FXT1_3DFX
:
233 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
240 if (ctx
->Extensions
.EXT_texture_compression_s3tc
) {
241 switch (internalFormat
) {
242 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
244 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
245 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
246 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
253 if (ctx
->Extensions
.S3_s3tc
) {
254 switch (internalFormat
) {
266 if (ctx
->Extensions
.MESA_ycbcr_texture
) {
267 if (internalFormat
== GL_YCBCR_MESA
)
268 return GL_YCBCR_MESA
;
271 if (ctx
->Extensions
.ARB_texture_float
) {
272 switch (internalFormat
) {
273 case GL_ALPHA16F_ARB
:
274 case GL_ALPHA32F_ARB
:
282 case GL_INTENSITY16F_ARB
:
283 case GL_INTENSITY32F_ARB
:
285 case GL_LUMINANCE16F_ARB
:
286 case GL_LUMINANCE32F_ARB
:
288 case GL_LUMINANCE_ALPHA16F_ARB
:
289 case GL_LUMINANCE_ALPHA32F_ARB
:
290 return GL_LUMINANCE_ALPHA
;
296 if (ctx
->Extensions
.ATI_envmap_bumpmap
) {
297 switch (internalFormat
) {
306 if (ctx
->Extensions
.MESA_texture_signed_rgba
) {
307 switch (internalFormat
) {
316 if (ctx
->Extensions
.EXT_packed_depth_stencil
) {
317 switch (internalFormat
) {
318 case GL_DEPTH_STENCIL_EXT
:
319 case GL_DEPTH24_STENCIL8_EXT
:
320 return GL_DEPTH_STENCIL_EXT
;
326 #if FEATURE_EXT_texture_sRGB
327 if (ctx
->Extensions
.EXT_texture_sRGB
) {
328 switch (internalFormat
) {
331 case GL_COMPRESSED_SRGB_EXT
:
332 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
334 case GL_SRGB_ALPHA_EXT
:
335 case GL_SRGB8_ALPHA8_EXT
:
336 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
337 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
338 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
339 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
341 case GL_SLUMINANCE_ALPHA_EXT
:
342 case GL_SLUMINANCE8_ALPHA8_EXT
:
343 case GL_COMPRESSED_SLUMINANCE_EXT
:
344 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
345 return GL_LUMINANCE_ALPHA
;
346 case GL_SLUMINANCE_EXT
:
347 case GL_SLUMINANCE8_EXT
:
353 #endif /* FEATURE_EXT_texture_sRGB */
355 if (ctx
->Extensions
.EXT_texture_integer
) {
356 switch (internalFormat
) {
358 case GL_RGBA16UI_EXT
:
359 case GL_RGBA32UI_EXT
:
371 case GL_ALPHA8UI_EXT
:
372 case GL_ALPHA16UI_EXT
:
373 case GL_ALPHA32UI_EXT
:
375 case GL_ALPHA16I_EXT
:
376 case GL_ALPHA32I_EXT
:
378 case GL_INTENSITY8UI_EXT
:
379 case GL_INTENSITY16UI_EXT
:
380 case GL_INTENSITY32UI_EXT
:
381 case GL_INTENSITY8I_EXT
:
382 case GL_INTENSITY16I_EXT
:
383 case GL_INTENSITY32I_EXT
:
385 case GL_LUMINANCE8UI_EXT
:
386 case GL_LUMINANCE16UI_EXT
:
387 case GL_LUMINANCE32UI_EXT
:
388 case GL_LUMINANCE8I_EXT
:
389 case GL_LUMINANCE16I_EXT
:
390 case GL_LUMINANCE32I_EXT
:
392 case GL_LUMINANCE_ALPHA8UI_EXT
:
393 case GL_LUMINANCE_ALPHA16UI_EXT
:
394 case GL_LUMINANCE_ALPHA32UI_EXT
:
395 case GL_LUMINANCE_ALPHA8I_EXT
:
396 case GL_LUMINANCE_ALPHA16I_EXT
:
397 case GL_LUMINANCE_ALPHA32I_EXT
:
398 return GL_LUMINANCE_ALPHA
;
404 if (ctx
->Extensions
.ARB_texture_rg
) {
405 switch (internalFormat
) {
407 /* R16F depends on both ARB_half_float_pixel and ARB_texture_float.
409 if (!ctx
->Extensions
.ARB_half_float_pixel
)
413 if (!ctx
->Extensions
.ARB_texture_float
)
422 if (!ctx
->Extensions
.EXT_texture_integer
)
428 case GL_COMPRESSED_RED
:
432 /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float.
434 if (!ctx
->Extensions
.ARB_half_float_pixel
)
438 if (!ctx
->Extensions
.ARB_texture_float
)
447 if (!ctx
->Extensions
.EXT_texture_integer
)
453 case GL_COMPRESSED_RG
:
460 if (ctx
->Extensions
.EXT_texture_shared_exponent
) {
461 switch (internalFormat
) {
469 if (ctx
->Extensions
.EXT_packed_float
) {
470 switch (internalFormat
) {
471 case GL_R11F_G11F_B10F_EXT
:
478 if (ctx
->Extensions
.ARB_depth_buffer_float
) {
479 switch (internalFormat
) {
480 case GL_DEPTH_COMPONENT32F
:
481 return GL_DEPTH_COMPONENT
;
482 case GL_DEPTH32F_STENCIL8
:
483 return GL_DEPTH_STENCIL
;
489 if (ctx
->Extensions
.ARB_texture_compression_rgtc
) {
490 switch (internalFormat
) {
491 case GL_COMPRESSED_RED_RGTC1
:
492 case GL_COMPRESSED_SIGNED_RED_RGTC1
:
494 case GL_COMPRESSED_RG_RGTC2
:
495 case GL_COMPRESSED_SIGNED_RG_RGTC2
:
502 return -1; /* error */
507 * For cube map faces, return a face index in [0,5].
508 * For other targets return 0;
511 _mesa_tex_target_to_face(GLenum target
)
513 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
514 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)
515 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
523 * Store a gl_texture_image pointer in a gl_texture_object structure
524 * according to the target and level parameters.
526 * \param tObj texture object.
527 * \param target texture target.
528 * \param level image level.
529 * \param texImage texture image.
531 * This was basically prompted by the introduction of cube maps.
534 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
535 GLenum target
, GLint level
,
536 struct gl_texture_image
*texImage
)
538 const GLuint face
= _mesa_tex_target_to_face(target
);
542 ASSERT(target
!= GL_TEXTURE_RECTANGLE_NV
|| level
== 0);
544 tObj
->Image
[face
][level
] = texImage
;
546 /* Set the 'back' pointer */
547 texImage
->TexObject
= tObj
;
552 * Allocate a texture image structure.
554 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
557 * \return a pointer to gl_texture_image struct with all fields initialized to
560 struct gl_texture_image
*
561 _mesa_new_texture_image( struct gl_context
*ctx
)
564 return CALLOC_STRUCT(gl_texture_image
);
569 * Free texture image data.
570 * This function is a fallback called via ctx->Driver.FreeTexImageData().
572 * \param texImage texture image.
574 * Free the texture image data if it's not marked as client data.
577 _mesa_free_texture_image_data(struct gl_context
*ctx
,
578 struct gl_texture_image
*texImage
)
582 if (texImage
->Data
&& !texImage
->IsClientData
) {
583 /* free the old texture data */
584 _mesa_free_texmemory(texImage
->Data
);
587 texImage
->Data
= NULL
;
592 * Free texture image.
594 * \param texImage texture image.
596 * Free the texture image structure and the associated image data.
599 _mesa_delete_texture_image(struct gl_context
*ctx
,
600 struct gl_texture_image
*texImage
)
602 /* Free texImage->Data and/or any other driver-specific texture
605 ASSERT(ctx
->Driver
.FreeTexImageData
);
606 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
608 ASSERT(texImage
->Data
== NULL
);
609 if (texImage
->ImageOffsets
)
610 free(texImage
->ImageOffsets
);
616 * Test if a target is a proxy target.
618 * \param target texture target.
620 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
623 _mesa_is_proxy_texture(GLenum target
)
625 /* NUM_TEXTURE_TARGETS should match number of terms below */
626 assert(NUM_TEXTURE_TARGETS
== 7);
628 return (target
== GL_PROXY_TEXTURE_1D
||
629 target
== GL_PROXY_TEXTURE_2D
||
630 target
== GL_PROXY_TEXTURE_3D
||
631 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
632 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
633 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
634 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
);
639 * Return the proxy target which corresponds to the given texture target
642 get_proxy_target(GLenum target
)
646 case GL_PROXY_TEXTURE_1D
:
647 return GL_PROXY_TEXTURE_1D
;
649 case GL_PROXY_TEXTURE_2D
:
650 return GL_PROXY_TEXTURE_2D
;
652 case GL_PROXY_TEXTURE_3D
:
653 return GL_PROXY_TEXTURE_3D
;
654 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
655 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
656 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
657 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
658 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
659 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
660 case GL_TEXTURE_CUBE_MAP_ARB
:
661 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
662 return GL_PROXY_TEXTURE_CUBE_MAP_ARB
;
663 case GL_TEXTURE_RECTANGLE_NV
:
664 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
665 return GL_PROXY_TEXTURE_RECTANGLE_NV
;
666 case GL_TEXTURE_1D_ARRAY_EXT
:
667 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
668 return GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
669 case GL_TEXTURE_2D_ARRAY_EXT
:
670 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
671 return GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
673 _mesa_problem(NULL
, "unexpected target in get_proxy_target()");
680 * Get the texture object that corresponds to the target of the given
683 * \param ctx GL context.
684 * \param texUnit texture unit.
685 * \param target texture target.
687 * \return pointer to the texture object on success, or NULL on failure.
689 * \sa gl_texture_unit.
691 struct gl_texture_object
*
692 _mesa_select_tex_object(struct gl_context
*ctx
,
693 const struct gl_texture_unit
*texUnit
,
698 return texUnit
->CurrentTex
[TEXTURE_1D_INDEX
];
699 case GL_PROXY_TEXTURE_1D
:
700 return ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
];
702 return texUnit
->CurrentTex
[TEXTURE_2D_INDEX
];
703 case GL_PROXY_TEXTURE_2D
:
704 return ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
];
706 return texUnit
->CurrentTex
[TEXTURE_3D_INDEX
];
707 case GL_PROXY_TEXTURE_3D
:
708 return ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
];
709 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
710 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
711 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
712 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
713 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
714 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
715 case GL_TEXTURE_CUBE_MAP_ARB
:
716 return ctx
->Extensions
.ARB_texture_cube_map
717 ? texUnit
->CurrentTex
[TEXTURE_CUBE_INDEX
] : NULL
;
718 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
719 return ctx
->Extensions
.ARB_texture_cube_map
720 ? ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
] : NULL
;
721 case GL_TEXTURE_RECTANGLE_NV
:
722 return ctx
->Extensions
.NV_texture_rectangle
723 ? texUnit
->CurrentTex
[TEXTURE_RECT_INDEX
] : NULL
;
724 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
725 return ctx
->Extensions
.NV_texture_rectangle
726 ? ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
] : NULL
;
727 case GL_TEXTURE_1D_ARRAY_EXT
:
728 return ctx
->Extensions
.MESA_texture_array
729 ? texUnit
->CurrentTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
730 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
731 return ctx
->Extensions
.MESA_texture_array
732 ? ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
733 case GL_TEXTURE_2D_ARRAY_EXT
:
734 return ctx
->Extensions
.MESA_texture_array
735 ? texUnit
->CurrentTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
736 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
737 return ctx
->Extensions
.MESA_texture_array
738 ? ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
740 _mesa_problem(NULL
, "bad target in _mesa_select_tex_object()");
747 * Return pointer to texture object for given target on current texture unit.
749 struct gl_texture_object
*
750 _mesa_get_current_tex_object(struct gl_context
*ctx
, GLenum target
)
752 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
753 return _mesa_select_tex_object(ctx
, texUnit
, target
);
758 * Get a texture image pointer from a texture object, given a texture
759 * target and mipmap level. The target and level parameters should
760 * have already been error-checked.
762 * \param ctx GL context.
763 * \param texObj texture unit.
764 * \param target texture target.
765 * \param level image level.
767 * \return pointer to the texture image structure, or NULL on failure.
769 struct gl_texture_image
*
770 _mesa_select_tex_image(struct gl_context
*ctx
,
771 const struct gl_texture_object
*texObj
,
772 GLenum target
, GLint level
)
774 const GLuint face
= _mesa_tex_target_to_face(target
);
778 ASSERT(level
< MAX_TEXTURE_LEVELS
);
780 return texObj
->Image
[face
][level
];
785 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
786 * it and install it. Only return NULL if passed a bad parameter or run
789 struct gl_texture_image
*
790 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
791 GLenum target
, GLint level
)
793 struct gl_texture_image
*texImage
;
798 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
800 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
802 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
806 _mesa_set_tex_image(texObj
, target
, level
, texImage
);
814 * Return pointer to the specified proxy texture image.
815 * Note that proxy textures are per-context, not per-texture unit.
816 * \return pointer to texture image or NULL if invalid target, invalid
817 * level, or out of memory.
819 struct gl_texture_image
*
820 _mesa_get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
)
822 struct gl_texture_image
*texImage
;
829 case GL_PROXY_TEXTURE_1D
:
830 if (level
>= ctx
->Const
.MaxTextureLevels
)
832 texIndex
= TEXTURE_1D_INDEX
;
834 case GL_PROXY_TEXTURE_2D
:
835 if (level
>= ctx
->Const
.MaxTextureLevels
)
837 texIndex
= TEXTURE_2D_INDEX
;
839 case GL_PROXY_TEXTURE_3D
:
840 if (level
>= ctx
->Const
.Max3DTextureLevels
)
842 texIndex
= TEXTURE_3D_INDEX
;
844 case GL_PROXY_TEXTURE_CUBE_MAP
:
845 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
847 texIndex
= TEXTURE_CUBE_INDEX
;
849 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
852 texIndex
= TEXTURE_RECT_INDEX
;
854 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
855 if (level
>= ctx
->Const
.MaxTextureLevels
)
857 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
859 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
860 if (level
>= ctx
->Const
.MaxTextureLevels
)
862 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
868 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
870 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
872 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
875 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
876 /* Set the 'back' pointer */
877 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
884 * Get the maximum number of allowed mipmap levels.
886 * \param ctx GL context.
887 * \param target texture target.
889 * \return the maximum number of allowed mipmap levels for the given
890 * texture target, or zero if passed a bad target.
895 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
)
899 case GL_PROXY_TEXTURE_1D
:
901 case GL_PROXY_TEXTURE_2D
:
902 return ctx
->Const
.MaxTextureLevels
;
904 case GL_PROXY_TEXTURE_3D
:
905 return ctx
->Const
.Max3DTextureLevels
;
906 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
907 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
908 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
909 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
910 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
911 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
912 case GL_TEXTURE_CUBE_MAP_ARB
:
913 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
914 return ctx
->Extensions
.ARB_texture_cube_map
915 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
916 case GL_TEXTURE_RECTANGLE_NV
:
917 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
918 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
919 case GL_TEXTURE_1D_ARRAY_EXT
:
920 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
921 case GL_TEXTURE_2D_ARRAY_EXT
:
922 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
923 return ctx
->Extensions
.MESA_texture_array
924 ? ctx
->Const
.MaxTextureLevels
: 0;
926 return 0; /* bad target */
932 * Return number of dimensions per mipmap level for the given texture target.
935 get_texture_dimensions(GLenum target
)
939 case GL_PROXY_TEXTURE_1D
:
942 case GL_TEXTURE_RECTANGLE
:
943 case GL_TEXTURE_CUBE_MAP
:
944 case GL_PROXY_TEXTURE_2D
:
945 case GL_PROXY_TEXTURE_RECTANGLE
:
946 case GL_PROXY_TEXTURE_CUBE_MAP
:
947 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
948 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
949 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
950 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
951 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
952 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
953 case GL_TEXTURE_1D_ARRAY
:
954 case GL_PROXY_TEXTURE_1D_ARRAY
:
957 case GL_PROXY_TEXTURE_3D
:
958 case GL_TEXTURE_2D_ARRAY
:
959 case GL_PROXY_TEXTURE_2D_ARRAY
:
962 _mesa_problem(NULL
, "invalid target 0x%x in get_texture_dimensions()",
971 #if 000 /* not used anymore */
973 * glTexImage[123]D can accept a NULL image pointer. In this case we
974 * create a texture image with unspecified image contents per the OpenGL
978 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
980 const GLint components
= _mesa_components_in_format(format
);
981 const GLint numPixels
= width
* height
* depth
;
982 GLubyte
*data
= (GLubyte
*) MALLOC(numPixels
* components
* sizeof(GLubyte
));
986 * Let's see if anyone finds this. If glTexImage2D() is called with
987 * a NULL image pointer then load the texture image with something
988 * interesting instead of leaving it indeterminate.
991 static const char message
[8][32] = {
995 " X X XXXX XXX XXXXX ",
998 " X X XXXXX XXX X X ",
1002 GLubyte
*imgPtr
= data
;
1004 for (h
= 0; h
< depth
; h
++) {
1005 for (i
= 0; i
< height
; i
++) {
1006 GLint srcRow
= 7 - (i
% 8);
1007 for (j
= 0; j
< width
; j
++) {
1008 GLint srcCol
= j
% 32;
1009 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
1010 for (k
= 0; k
< components
; k
++) {
1026 * Reset the fields of a gl_texture_image struct to zero.
1028 * \param img texture image structure.
1030 * This is called when a proxy texture test fails, we set all the
1031 * image members (except DriverData) to zero.
1032 * It's also used in glTexImage[123]D as a safeguard to be sure all
1033 * required fields get initialized properly by the Driver.TexImage[123]D
1037 clear_teximage_fields(struct gl_texture_image
*img
)
1040 img
->_BaseFormat
= 0;
1041 img
->InternalFormat
= 0;
1047 if (img
->ImageOffsets
) {
1048 free(img
->ImageOffsets
);
1049 img
->ImageOffsets
= NULL
;
1055 img
->HeightLog2
= 0;
1058 img
->TexFormat
= MESA_FORMAT_NONE
;
1059 img
->FetchTexelc
= NULL
;
1060 img
->FetchTexelf
= NULL
;
1065 * Initialize basic fields of the gl_texture_image struct.
1067 * \param ctx GL context.
1068 * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
1069 * \param img texture image structure to be initialized.
1070 * \param width image width.
1071 * \param height image height.
1072 * \param depth image depth.
1073 * \param border image border.
1074 * \param internalFormat internal format.
1075 * \param format the actual hardware format (one of MESA_FORMAT_*)
1077 * Fills in the fields of \p img with the given information.
1078 * Note: width, height and depth include the border.
1081 _mesa_init_teximage_fields(struct gl_context
*ctx
, GLenum target
,
1082 struct gl_texture_image
*img
,
1083 GLsizei width
, GLsizei height
, GLsizei depth
,
1084 GLint border
, GLenum internalFormat
,
1091 ASSERT(height
>= 0);
1094 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
1095 ASSERT(img
->_BaseFormat
> 0);
1096 img
->InternalFormat
= internalFormat
;
1097 img
->Border
= border
;
1099 img
->Height
= height
;
1102 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
1103 img
->WidthLog2
= logbase2(img
->Width2
);
1105 if (height
== 1) { /* 1-D texture */
1107 img
->HeightLog2
= 0;
1110 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
1111 img
->HeightLog2
= logbase2(img
->Height2
);
1114 if (depth
== 1) { /* 2-D texture */
1119 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
1120 img
->DepthLog2
= logbase2(img
->Depth2
);
1123 img
->MaxLog2
= MAX2(img
->WidthLog2
, img
->HeightLog2
);
1125 if ((width
== 1 || _mesa_is_pow_two(img
->Width2
)) &&
1126 (height
== 1 || _mesa_is_pow_two(img
->Height2
)) &&
1127 (depth
== 1 || _mesa_is_pow_two(img
->Depth2
)))
1128 img
->_IsPowerOfTwo
= GL_TRUE
;
1130 img
->_IsPowerOfTwo
= GL_FALSE
;
1132 /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
1133 img
->RowStride
= width
;
1134 /* Allocate the ImageOffsets array and initialize to typical values.
1135 * We allocate the array for 1D/2D textures too in order to avoid special-
1136 * case code in the texstore routines.
1138 if (img
->ImageOffsets
)
1139 free(img
->ImageOffsets
);
1140 img
->ImageOffsets
= (GLuint
*) malloc(depth
* sizeof(GLuint
));
1141 for (i
= 0; i
< depth
; i
++) {
1142 img
->ImageOffsets
[i
] = i
* width
* height
;
1145 /* Compute Width/Height/DepthScale for mipmap lod computation */
1146 if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1147 /* scale = 1.0 since texture coords directly map to texels */
1148 img
->WidthScale
= 1.0;
1149 img
->HeightScale
= 1.0;
1150 img
->DepthScale
= 1.0;
1153 img
->WidthScale
= (GLfloat
) img
->Width
;
1154 img
->HeightScale
= (GLfloat
) img
->Height
;
1155 img
->DepthScale
= (GLfloat
) img
->Depth
;
1158 img
->TexFormat
= format
;
1160 dims
= get_texture_dimensions(target
);
1162 _mesa_set_fetch_functions(img
, dims
);
1167 * Free and clear fields of the gl_texture_image struct.
1169 * \param ctx GL context.
1170 * \param texImage texture image structure to be cleared.
1172 * After the call, \p texImage will have no data associated with it. Its
1173 * fields are cleared so that its parent object will test incomplete.
1176 _mesa_clear_texture_image(struct gl_context
*ctx
,
1177 struct gl_texture_image
*texImage
)
1179 ctx
->Driver
.FreeTexImageData(ctx
, texImage
);
1180 clear_teximage_fields(texImage
);
1185 * This is the fallback for Driver.TestProxyTexImage(). Test the texture
1186 * level, width, height and depth against the ctx->Const limits for textures.
1188 * A hardware driver might override this function if, for example, the
1189 * max 3D texture size is 512x512x64 (i.e. not a cube).
1191 * Note that width, height, depth == 0 is not an error. However, a
1192 * texture with zero width/height/depth will be considered "incomplete"
1193 * and texturing will effectively be disabled.
1195 * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
1196 * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
1197 * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
1198 * \param level as passed to glTexImage
1199 * \param internalFormat as passed to glTexImage
1200 * \param format as passed to glTexImage
1201 * \param type as passed to glTexImage
1202 * \param width as passed to glTexImage
1203 * \param height as passed to glTexImage
1204 * \param depth as passed to glTexImage
1205 * \param border as passed to glTexImage
1206 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1209 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
, GLint level
,
1210 GLint internalFormat
, GLenum format
, GLenum type
,
1211 GLint width
, GLint height
, GLint depth
, GLint border
)
1215 (void) internalFormat
;
1220 case GL_PROXY_TEXTURE_1D
:
1221 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1222 if (width
< 2 * border
|| width
> 2 + maxSize
||
1223 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1224 width
>0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1225 level
>= ctx
->Const
.MaxTextureLevels
) {
1226 /* bad width or level */
1230 case GL_PROXY_TEXTURE_2D
:
1231 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1232 if (width
< 2 * border
|| width
> 2 + maxSize
||
1233 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1234 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1235 height
< 2 * border
|| height
> 2 + maxSize
||
1236 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1237 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1238 level
>= ctx
->Const
.MaxTextureLevels
) {
1239 /* bad width or height or level */
1243 case GL_PROXY_TEXTURE_3D
:
1244 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1245 if (width
< 2 * border
|| width
> 2 + maxSize
||
1246 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1247 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1248 height
< 2 * border
|| height
> 2 + maxSize
||
1249 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1250 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1251 depth
< 2 * border
|| depth
> 2 + maxSize
||
1252 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1253 depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
)) ||
1254 level
>= ctx
->Const
.Max3DTextureLevels
) {
1255 /* bad width or height or depth or level */
1259 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1260 if (width
< 0 || width
> ctx
->Const
.MaxTextureRectSize
||
1261 height
< 0 || height
> ctx
->Const
.MaxTextureRectSize
||
1263 /* bad width or height or level */
1267 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1268 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1269 if (width
< 2 * border
|| width
> 2 + maxSize
||
1270 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1271 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1272 height
< 2 * border
|| height
> 2 + maxSize
||
1273 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1274 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1275 level
>= ctx
->Const
.MaxCubeTextureLevels
) {
1276 /* bad width or height */
1280 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1281 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1282 if (width
< 2 * border
|| width
> 2 + maxSize
||
1283 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1284 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1285 level
>= ctx
->Const
.MaxTextureLevels
) {
1286 /* bad width or level */
1290 if (height
< 1 || height
> ctx
->Const
.MaxArrayTextureLayers
) {
1294 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1295 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1296 if (width
< 2 * border
|| width
> 2 + maxSize
||
1297 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1298 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1299 height
< 2 * border
|| height
> 2 + maxSize
||
1300 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1301 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1302 level
>= ctx
->Const
.MaxTextureLevels
) {
1303 /* bad width or height or level */
1306 if (depth
< 1 || depth
> ctx
->Const
.MaxArrayTextureLayers
) {
1311 _mesa_problem(ctx
, "Invalid target in _mesa_test_proxy_teximage");
1318 * Check if the memory used by the texture would exceed the driver's limit.
1319 * This lets us support a max 3D texture size of 8K (for example) but
1320 * prevents allocating a full 8K x 8K x 8K texture.
1321 * XXX this could be rolled into the proxy texture size test (above) but
1322 * we don't have the actual texture internal format at that point.
1325 legal_texture_size(struct gl_context
*ctx
, gl_format format
,
1326 GLint width
, GLint height
, GLint depth
)
1328 uint64_t bytes
= _mesa_format_image_size64(format
, width
, height
, depth
);
1329 uint64_t mbytes
= bytes
/ (1024 * 1024); /* convert to MB */
1330 return mbytes
<= (uint64_t) ctx
->Const
.MaxTextureMbytes
;
1336 * Helper function to determine whether a target supports compressed textures
1339 target_can_be_compressed(struct gl_context
*ctx
, GLenum target
)
1343 case GL_PROXY_TEXTURE_2D
:
1345 case GL_PROXY_TEXTURE_CUBE_MAP
:
1346 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1347 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1348 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1349 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1350 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1351 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1352 return ctx
->Extensions
.ARB_texture_cube_map
;
1353 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1354 case GL_TEXTURE_2D_ARRAY_EXT
:
1355 return ctx
->Extensions
.MESA_texture_array
;
1363 * Check if the given texture target value is legal for a
1364 * glTexImage1/2/3D call.
1367 legal_teximage_target(struct gl_context
*ctx
, GLuint dims
, GLenum target
)
1373 case GL_PROXY_TEXTURE_1D
:
1381 case GL_PROXY_TEXTURE_2D
:
1383 case GL_PROXY_TEXTURE_CUBE_MAP
:
1384 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1385 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1386 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1387 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1388 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1389 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1390 return ctx
->Extensions
.ARB_texture_cube_map
;
1391 case GL_TEXTURE_RECTANGLE_NV
:
1392 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1393 return ctx
->Extensions
.NV_texture_rectangle
;
1394 case GL_TEXTURE_1D_ARRAY_EXT
:
1395 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1396 return ctx
->Extensions
.MESA_texture_array
;
1403 case GL_PROXY_TEXTURE_3D
:
1405 case GL_TEXTURE_2D_ARRAY_EXT
:
1406 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1407 return ctx
->Extensions
.MESA_texture_array
;
1412 _mesa_problem(ctx
, "invalid dims=%u in legal_teximage_target()", dims
);
1419 * Test the glTexImage[123]D() parameters for errors.
1421 * \param ctx GL context.
1422 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1423 * \param target texture target given by the user.
1424 * \param level image level given by the user.
1425 * \param internalFormat internal format given by the user.
1426 * \param format pixel data format given by the user.
1427 * \param type pixel data type given by the user.
1428 * \param width image width given by the user.
1429 * \param height image height given by the user.
1430 * \param depth image depth given by the user.
1431 * \param border image border given by the user.
1433 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1435 * Verifies each of the parameters against the constants specified in
1436 * __struct gl_contextRec::Const and the supported extensions, and according
1437 * to the OpenGL specification.
1440 texture_error_check( struct gl_context
*ctx
,
1441 GLuint dimensions
, GLenum target
,
1442 GLint level
, GLint internalFormat
,
1443 GLenum format
, GLenum type
,
1444 GLint width
, GLint height
,
1445 GLint depth
, GLint border
)
1447 const GLenum proxyTarget
= get_proxy_target(target
);
1448 const GLboolean isProxy
= target
== proxyTarget
;
1449 GLboolean sizeOK
= GL_TRUE
;
1450 GLboolean colorFormat
, indexFormat
;
1452 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1453 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1455 _mesa_error(ctx
, GL_INVALID_VALUE
,
1456 "glTexImage%dD(level=%d)", dimensions
, level
);
1462 if (border
< 0 || border
> 1 ||
1463 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1464 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1466 _mesa_error(ctx
, GL_INVALID_VALUE
,
1467 "glTexImage%dD(border=%d)", dimensions
, border
);
1472 if (width
< 0 || height
< 0 || depth
< 0) {
1474 _mesa_error(ctx
, GL_INVALID_VALUE
,
1475 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1480 /* Do this simple check before calling the TestProxyTexImage() function */
1481 if (proxyTarget
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
1482 sizeOK
= (width
== height
);
1486 * Use the proxy texture driver hook to see if the size/level/etc are
1489 sizeOK
= sizeOK
&& ctx
->Driver
.TestProxyTexImage(ctx
, proxyTarget
, level
,
1490 internalFormat
, format
,
1491 type
, width
, height
,
1495 _mesa_error(ctx
, GL_INVALID_VALUE
,
1496 "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
1497 dimensions
, level
, width
, height
, depth
);
1502 /* Check internalFormat */
1503 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1505 _mesa_error(ctx
, GL_INVALID_VALUE
,
1506 "glTexImage%dD(internalFormat=%s)",
1507 dimensions
, _mesa_lookup_enum_by_nr(internalFormat
));
1512 /* Check incoming image format and type */
1513 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1514 /* Normally, GL_INVALID_OPERATION is generated by a format/type
1515 * mismatch (see the 1.2 spec page 94, sec 3.6.4.). But with the
1516 * GL_EXT_texture_integer extension, some combinations should generate
1517 * GL_INVALID_ENUM instead (grr!).
1520 GLenum error
= _mesa_is_integer_format(format
)
1521 ? GL_INVALID_ENUM
: GL_INVALID_OPERATION
;
1522 _mesa_error(ctx
, error
,
1523 "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
1524 dimensions
, format
, type
);
1529 /* make sure internal format and format basically agree */
1530 colorFormat
= _mesa_is_color_format(format
);
1531 indexFormat
= _mesa_is_index_format(format
);
1532 if ((_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
) ||
1533 (_mesa_is_index_format(internalFormat
) && !indexFormat
) ||
1534 (_mesa_is_depth_format(internalFormat
) != _mesa_is_depth_format(format
)) ||
1535 (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
)) ||
1536 (_mesa_is_depthstencil_format(internalFormat
) != _mesa_is_depthstencil_format(format
)) ||
1537 (_mesa_is_dudv_format(internalFormat
) != _mesa_is_dudv_format(format
))) {
1539 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1540 "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
1541 dimensions
, internalFormat
, format
);
1545 /* additional checks for ycbcr textures */
1546 if (internalFormat
== GL_YCBCR_MESA
) {
1547 ASSERT(ctx
->Extensions
.MESA_ycbcr_texture
);
1548 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1549 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1551 _mesa_snprintf(message
, sizeof(message
),
1552 "glTexImage%dD(format/type YCBCR mismatch", dimensions
);
1553 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s", message
);
1554 return GL_TRUE
; /* error */
1556 if (target
!= GL_TEXTURE_2D
&&
1557 target
!= GL_PROXY_TEXTURE_2D
&&
1558 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1559 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1561 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage(target)");
1567 _mesa_snprintf(message
, sizeof(message
),
1568 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1569 dimensions
, border
);
1570 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s", message
);
1576 /* additional checks for depth textures */
1577 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
) {
1578 /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
1579 if (target
!= GL_TEXTURE_1D
&&
1580 target
!= GL_PROXY_TEXTURE_1D
&&
1581 target
!= GL_TEXTURE_2D
&&
1582 target
!= GL_PROXY_TEXTURE_2D
&&
1583 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1584 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
) {
1586 _mesa_error(ctx
, GL_INVALID_ENUM
,
1587 "glTexImage(target/internalFormat)");
1592 /* additional checks for compressed textures */
1593 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1594 if (!target_can_be_compressed(ctx
, target
) && !isProxy
) {
1595 _mesa_error(ctx
, GL_INVALID_ENUM
,
1596 "glTexImage%dD(target)", dimensions
);
1601 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1602 "glTexImage%dD(border!=0)", dimensions
);
1608 /* additional checks for integer textures */
1609 if (ctx
->Extensions
.EXT_texture_integer
&&
1610 (_mesa_is_integer_format(format
) !=
1611 _mesa_is_integer_format(internalFormat
))) {
1613 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1614 "glTexImage%dD(integer/non-integer format mismatch)",
1620 /* if we get here, the parameters are OK */
1626 * Test glTexSubImage[123]D() parameters for errors.
1628 * \param ctx GL context.
1629 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1630 * \param target texture target given by the user.
1631 * \param level image level given by the user.
1632 * \param xoffset sub-image x offset given by the user.
1633 * \param yoffset sub-image y offset given by the user.
1634 * \param zoffset sub-image z offset given by the user.
1635 * \param format pixel data format given by the user.
1636 * \param type pixel data type given by the user.
1637 * \param width image width given by the user.
1638 * \param height image height given by the user.
1639 * \param depth image depth given by the user.
1641 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1643 * Verifies each of the parameters against the constants specified in
1644 * __struct gl_contextRec::Const and the supported extensions, and according
1645 * to the OpenGL specification.
1648 subtexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
1649 GLenum target
, GLint level
,
1650 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1651 GLint width
, GLint height
, GLint depth
,
1652 GLenum format
, GLenum type
)
1654 /* Basic level check */
1655 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1656 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(level=%d)", level
);
1660 /* Check for negative sizes */
1662 _mesa_error(ctx
, GL_INVALID_VALUE
,
1663 "glTexSubImage%dD(width=%d)", dimensions
, width
);
1666 if (height
< 0 && dimensions
> 1) {
1667 _mesa_error(ctx
, GL_INVALID_VALUE
,
1668 "glTexSubImage%dD(height=%d)", dimensions
, height
);
1671 if (depth
< 0 && dimensions
> 2) {
1672 _mesa_error(ctx
, GL_INVALID_VALUE
,
1673 "glTexSubImage%dD(depth=%d)", dimensions
, depth
);
1677 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1678 /* As with the glTexImage2D check above, the error code here
1679 * depends on texture integer.
1681 GLenum error
= _mesa_is_integer_format(format
)
1682 ? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
1683 _mesa_error(ctx
, error
,
1684 "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
1685 dimensions
, format
, type
);
1694 * Do second part of glTexSubImage which depends on the destination texture.
1695 * \return GL_TRUE if error recorded, GL_FALSE otherwise
1698 subtexture_error_check2( struct gl_context
*ctx
, GLuint dimensions
,
1699 GLenum target
, GLint level
,
1700 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1701 GLint width
, GLint height
, GLint depth
,
1702 GLenum format
, GLenum type
,
1703 const struct gl_texture_image
*destTex
)
1706 /* undefined image level */
1707 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexSubImage%dD", dimensions
);
1711 if (xoffset
< -((GLint
)destTex
->Border
)) {
1712 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset)",
1716 if (xoffset
+ width
> (GLint
) (destTex
->Width
+ destTex
->Border
)) {
1717 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset+width)",
1721 if (dimensions
> 1) {
1722 if (yoffset
< -((GLint
)destTex
->Border
)) {
1723 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset)",
1727 if (yoffset
+ height
> (GLint
) (destTex
->Height
+ destTex
->Border
)) {
1728 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset+height)",
1733 if (dimensions
> 2) {
1734 if (zoffset
< -((GLint
)destTex
->Border
)) {
1735 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset)");
1738 if (zoffset
+ depth
> (GLint
) (destTex
->Depth
+ destTex
->Border
)) {
1739 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset+depth)");
1744 if (_mesa_is_format_compressed(destTex
->TexFormat
)) {
1747 if (!target_can_be_compressed(ctx
, target
)) {
1748 _mesa_error(ctx
, GL_INVALID_ENUM
,
1749 "glTexSubImage%dD(target=%s)", dimensions
,
1750 _mesa_lookup_enum_by_nr(target
));
1754 /* do tests which depend on compression block size */
1755 _mesa_get_format_block_size(destTex
->TexFormat
, &bw
, &bh
);
1757 /* offset must be multiple of block size */
1758 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0)) {
1759 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1760 "glTexSubImage%dD(xoffset = %d, yoffset = %d)",
1761 dimensions
, xoffset
, yoffset
);
1764 /* size must be multiple of bw by bh or equal to whole texture size */
1765 if ((width
% bw
!= 0) && (GLuint
) width
!= destTex
->Width
) {
1766 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1767 "glTexSubImage%dD(width = %d)", dimensions
, width
);
1770 if ((height
% bh
!= 0) && (GLuint
) height
!= destTex
->Height
) {
1771 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1772 "glTexSubImage%dD(height = %d)", dimensions
, height
);
1782 * Test glCopyTexImage[12]D() parameters for errors.
1784 * \param ctx GL context.
1785 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1786 * \param target texture target given by the user.
1787 * \param level image level given by the user.
1788 * \param internalFormat internal format given by the user.
1789 * \param width image width given by the user.
1790 * \param height image height given by the user.
1791 * \param border texture border.
1793 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1795 * Verifies each of the parameters against the constants specified in
1796 * __struct gl_contextRec::Const and the supported extensions, and according
1797 * to the OpenGL specification.
1800 copytexture_error_check( struct gl_context
*ctx
, GLuint dimensions
,
1801 GLenum target
, GLint level
, GLint internalFormat
,
1802 GLint width
, GLint height
, GLint border
)
1808 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1809 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1810 _mesa_error(ctx
, GL_INVALID_VALUE
,
1811 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
1815 /* Check that the source buffer is complete */
1816 if (ctx
->ReadBuffer
->Name
) {
1817 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1818 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1819 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1820 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1826 if (border
< 0 || border
> 1 ||
1827 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1828 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1832 format
= _mesa_base_tex_format(ctx
, internalFormat
);
1834 _mesa_error(ctx
, GL_INVALID_VALUE
,
1835 "glCopyTexImage%dD(internalFormat)", dimensions
);
1839 if (!_mesa_source_buffer_exists(ctx
, format
)) {
1840 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1841 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
1845 /* NOTE: the format and type aren't really significant for
1846 * TestProxyTexImage(). Only the internalformat really matters.
1850 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1851 * level, width, height and depth.
1853 if (dimensions
== 1) {
1854 if (target
== GL_TEXTURE_1D
) {
1855 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_1D
,
1856 level
, internalFormat
,
1858 width
, 1, 1, border
);
1861 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage1D(target)" );
1865 else if (dimensions
== 2) {
1866 if (target
== GL_TEXTURE_2D
) {
1867 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_2D
,
1868 level
, internalFormat
,
1870 width
, height
, 1, border
);
1872 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1873 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1874 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1875 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1878 sizeOK
= (width
== height
) &&
1879 ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_CUBE_MAP_ARB
,
1880 level
, internalFormat
, format
, type
,
1881 width
, height
, 1, border
);
1883 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1884 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1885 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1888 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1889 GL_PROXY_TEXTURE_RECTANGLE_NV
,
1890 level
, internalFormat
,
1892 width
, height
, 1, border
);
1894 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1895 if (!ctx
->Extensions
.MESA_texture_array
) {
1896 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)");
1899 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1900 GL_PROXY_TEXTURE_1D_ARRAY_EXT
,
1901 level
, internalFormat
,
1903 width
, height
, 1, border
);
1906 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1911 _mesa_problem(ctx
, "invalid dimensions in copytexture_error_check");
1916 if (dimensions
== 1) {
1917 _mesa_error(ctx
, GL_INVALID_VALUE
,
1918 "glCopyTexImage1D(width=%d)", width
);
1921 ASSERT(dimensions
== 2);
1922 _mesa_error(ctx
, GL_INVALID_VALUE
,
1923 "glCopyTexImage2D(width=%d, height=%d)", width
, height
);
1928 if (_mesa_is_compressed_format(ctx
, internalFormat
)) {
1929 if (!target_can_be_compressed(ctx
, target
)) {
1930 _mesa_error(ctx
, GL_INVALID_ENUM
,
1931 "glCopyTexImage%dD(target)", dimensions
);
1935 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1936 "glCopyTexImage%dD(border!=0)", dimensions
);
1940 else if (_mesa_is_depth_format(internalFormat
)) {
1941 /* make sure we have depth/stencil buffers */
1942 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
1943 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1944 "glCopyTexImage%dD(no depth)", dimensions
);
1948 else if (_mesa_is_depthstencil_format(internalFormat
)) {
1949 /* make sure we have depth/stencil buffers */
1950 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
1951 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1952 "glCopyTexImage%dD(no depth/stencil buffer)", dimensions
);
1957 /* if we get here, the parameters are OK */
1963 * Test glCopyTexSubImage[12]D() parameters for errors.
1964 * Note that this is the first part of error checking.
1965 * See also copytexsubimage_error_check2() below for the second part.
1967 * \param ctx GL context.
1968 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1969 * \param target texture target given by the user.
1970 * \param level image level given by the user.
1972 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1975 copytexsubimage_error_check1( struct gl_context
*ctx
, GLuint dimensions
,
1976 GLenum target
, GLint level
)
1978 /* Check that the source buffer is complete */
1979 if (ctx
->ReadBuffer
->Name
) {
1980 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1981 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1982 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1983 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1989 if (dimensions
== 1) {
1990 if (target
!= GL_TEXTURE_1D
) {
1991 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage1D(target)" );
1995 else if (dimensions
== 2) {
1996 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1997 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1998 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1999 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2003 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
2004 if (!ctx
->Extensions
.NV_texture_rectangle
) {
2005 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2009 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
2010 if (!ctx
->Extensions
.MESA_texture_array
) {
2011 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2015 else if (target
!= GL_TEXTURE_2D
) {
2016 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2020 else if (dimensions
== 3) {
2021 if (((target
!= GL_TEXTURE_2D_ARRAY_EXT
) ||
2022 (!ctx
->Extensions
.MESA_texture_array
))
2023 && (target
!= GL_TEXTURE_3D
)) {
2024 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage3D(target)" );
2030 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
2031 _mesa_error(ctx
, GL_INVALID_VALUE
,
2032 "glCopyTexSubImage%dD(level=%d)", dimensions
, level
);
2041 * Second part of error checking for glCopyTexSubImage[12]D().
2042 * \param xoffset sub-image x offset given by the user.
2043 * \param yoffset sub-image y offset given by the user.
2044 * \param zoffset sub-image z offset given by the user.
2045 * \param width image width given by the user.
2046 * \param height image height given by the user.
2049 copytexsubimage_error_check2( struct gl_context
*ctx
, GLuint dimensions
,
2050 GLenum target
, GLint level
,
2051 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2052 GLsizei width
, GLsizei height
,
2053 const struct gl_texture_image
*teximage
)
2055 /* check that dest tex image exists */
2057 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2058 "glCopyTexSubImage%dD(undefined texture level: %d)",
2065 _mesa_error(ctx
, GL_INVALID_VALUE
,
2066 "glCopyTexSubImage%dD(width=%d)", dimensions
, width
);
2069 if (dimensions
> 1 && height
< 0) {
2070 _mesa_error(ctx
, GL_INVALID_VALUE
,
2071 "glCopyTexSubImage%dD(height=%d)", dimensions
, height
);
2075 /* check x/y offsets */
2076 if (xoffset
< -((GLint
)teximage
->Border
)) {
2077 _mesa_error(ctx
, GL_INVALID_VALUE
,
2078 "glCopyTexSubImage%dD(xoffset=%d)", dimensions
, xoffset
);
2081 if (xoffset
+ width
> (GLint
) (teximage
->Width
+ teximage
->Border
)) {
2082 _mesa_error(ctx
, GL_INVALID_VALUE
,
2083 "glCopyTexSubImage%dD(xoffset+width)", dimensions
);
2086 if (dimensions
> 1) {
2087 if (yoffset
< -((GLint
)teximage
->Border
)) {
2088 _mesa_error(ctx
, GL_INVALID_VALUE
,
2089 "glCopyTexSubImage%dD(yoffset=%d)", dimensions
, yoffset
);
2092 /* NOTE: we're adding the border here, not subtracting! */
2093 if (yoffset
+ height
> (GLint
) (teximage
->Height
+ teximage
->Border
)) {
2094 _mesa_error(ctx
, GL_INVALID_VALUE
,
2095 "glCopyTexSubImage%dD(yoffset+height)", dimensions
);
2100 /* check z offset */
2101 if (dimensions
> 2) {
2102 if (zoffset
< -((GLint
)teximage
->Border
)) {
2103 _mesa_error(ctx
, GL_INVALID_VALUE
,
2104 "glCopyTexSubImage%dD(zoffset)", dimensions
);
2107 if (zoffset
> (GLint
) (teximage
->Depth
+ teximage
->Border
)) {
2108 _mesa_error(ctx
, GL_INVALID_VALUE
,
2109 "glCopyTexSubImage%dD(zoffset+depth)", dimensions
);
2114 if (_mesa_is_format_compressed(teximage
->TexFormat
)) {
2115 if (!target_can_be_compressed(ctx
, target
)) {
2116 _mesa_error(ctx
, GL_INVALID_ENUM
,
2117 "glCopyTexSubImage%dD(target)", dimensions
);
2120 /* offset must be multiple of 4 */
2121 if ((xoffset
& 3) || (yoffset
& 3)) {
2122 _mesa_error(ctx
, GL_INVALID_VALUE
,
2123 "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions
);
2126 /* size must be multiple of 4 */
2127 if ((width
& 3) != 0 && (GLuint
) width
!= teximage
->Width
) {
2128 _mesa_error(ctx
, GL_INVALID_VALUE
,
2129 "glCopyTexSubImage%dD(width)", dimensions
);
2132 if ((height
& 3) != 0 && (GLuint
) height
!= teximage
->Height
) {
2133 _mesa_error(ctx
, GL_INVALID_VALUE
,
2134 "glCopyTexSubImage%dD(height)", dimensions
);
2139 if (teximage
->InternalFormat
== GL_YCBCR_MESA
) {
2140 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glCopyTexSubImage2D");
2144 if (!_mesa_source_buffer_exists(ctx
, teximage
->_BaseFormat
)) {
2145 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2146 "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
2147 dimensions
, teximage
->_BaseFormat
);
2151 if (teximage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2152 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
2153 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2154 "glCopyTexSubImage%dD(no depth buffer)",
2159 else if (teximage
->_BaseFormat
== GL_DEPTH_STENCIL_EXT
) {
2160 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
2161 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2162 "glCopyTexSubImage%dD(no depth/stencil buffer)",
2168 /* If copying into an integer texture, the source buffer must also be
2171 if (_mesa_is_format_integer_color(teximage
->TexFormat
)) {
2172 struct gl_renderbuffer
*rb
= ctx
->ReadBuffer
->_ColorReadBuffer
;
2173 if (!_mesa_is_format_integer_color(rb
->Format
)) {
2174 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2175 "glCopyTexSubImage%dD(source buffer is not integer format)",
2181 /* if we get here, the parameters are OK */
2186 /** Callback info for walking over FBO hash table */
2189 struct gl_context
*ctx
;
2190 struct gl_texture_object
*texObj
;
2196 * Check render to texture callback. Called from _mesa_HashWalk().
2199 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2201 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2202 const struct cb_info
*info
= (struct cb_info
*) userData
;
2203 struct gl_context
*ctx
= info
->ctx
;
2204 const struct gl_texture_object
*texObj
= info
->texObj
;
2205 const GLuint level
= info
->level
, face
= info
->face
;
2207 /* If this is a user-created FBO */
2210 /* check if any of the FBO's attachments point to 'texObj' */
2211 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2212 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2213 if (att
->Type
== GL_TEXTURE
&&
2214 att
->Texture
== texObj
&&
2215 att
->TextureLevel
== level
&&
2216 att
->CubeMapFace
== face
) {
2217 ASSERT(att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
]);
2218 /* Tell driver about the new renderbuffer texture */
2219 ctx
->Driver
.RenderTexture(ctx
, ctx
->DrawBuffer
, att
);
2220 /* Mark fb status as indeterminate to force re-validation */
2229 * When a texture image is specified we have to check if it's bound to
2230 * any framebuffer objects (render to texture) in order to detect changes
2231 * in size or format since that effects FBO completeness.
2232 * Any FBOs rendering into the texture must be re-validated.
2235 update_fbo_texture(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
2236 GLuint face
, GLuint level
)
2238 /* Only check this texture if it's been marked as RenderToTexture */
2239 if (texObj
->_RenderToTexture
) {
2240 struct cb_info info
;
2242 info
.texObj
= texObj
;
2245 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2251 * If the texture object's GenerateMipmap flag is set and we've
2252 * changed the texture base level image, regenerate the rest of the
2253 * mipmap levels now.
2256 check_gen_mipmap(struct gl_context
*ctx
, GLenum target
,
2257 struct gl_texture_object
*texObj
, GLint level
)
2259 ASSERT(target
!= GL_TEXTURE_CUBE_MAP
);
2260 if (texObj
->GenerateMipmap
&&
2261 level
== texObj
->BaseLevel
&&
2262 level
< texObj
->MaxLevel
) {
2263 ASSERT(ctx
->Driver
.GenerateMipmap
);
2264 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2269 /** Debug helper: override the user-requested internal format */
2271 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2274 if (internalFormat
== GL_RGBA16F_ARB
||
2275 internalFormat
== GL_RGBA32F_ARB
) {
2276 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2279 else if (internalFormat
== GL_RGB16F_ARB
||
2280 internalFormat
== GL_RGB32F_ARB
) {
2281 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2284 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2285 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2286 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2287 return GL_LUMINANCE_ALPHA
;
2289 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2290 internalFormat
== GL_LUMINANCE32F_ARB
) {
2291 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2292 return GL_LUMINANCE
;
2294 else if (internalFormat
== GL_ALPHA16F_ARB
||
2295 internalFormat
== GL_ALPHA32F_ARB
) {
2296 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2300 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2301 internalFormat = GL_RGBA;
2305 return internalFormat
;
2308 return internalFormat
;
2314 * Choose the actual hardware format for a texture image.
2315 * Try to use the same format as the previous image level when possible.
2316 * Otherwise, ask the driver for the best format.
2317 * It's important to try to choose a consistant format for all levels
2318 * for efficient texture memory layout/allocation. In particular, this
2319 * comes up during automatic mipmap generation.
2322 _mesa_choose_texture_format(struct gl_context
*ctx
,
2323 struct gl_texture_object
*texObj
,
2324 GLenum target
, GLint level
,
2325 GLenum internalFormat
, GLenum format
, GLenum type
)
2329 /* see if we've already chosen a format for the previous level */
2331 struct gl_texture_image
*prevImage
=
2332 _mesa_select_tex_image(ctx
, texObj
, target
, level
- 1);
2333 /* See if the prev level is defined and has an internal format which
2334 * matches the new internal format.
2337 prevImage
->Width
> 0 &&
2338 prevImage
->InternalFormat
== internalFormat
) {
2339 /* use the same format */
2340 ASSERT(prevImage
->TexFormat
!= MESA_FORMAT_NONE
);
2341 return prevImage
->TexFormat
;
2345 /* choose format from scratch */
2346 f
= ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
, format
, type
);
2347 ASSERT(f
!= MESA_FORMAT_NONE
);
2353 * Common code to implement all the glTexImage1D/2D/3D functions.
2356 teximage(struct gl_context
*ctx
, GLuint dims
,
2357 GLenum target
, GLint level
, GLint internalFormat
,
2358 GLsizei width
, GLsizei height
, GLsizei depth
,
2359 GLint border
, GLenum format
, GLenum type
,
2360 const GLvoid
*pixels
)
2364 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2366 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2367 _mesa_debug(ctx
, "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2369 _mesa_lookup_enum_by_nr(target
), level
,
2370 _mesa_lookup_enum_by_nr(internalFormat
),
2371 width
, height
, depth
, border
,
2372 _mesa_lookup_enum_by_nr(format
),
2373 _mesa_lookup_enum_by_nr(type
), pixels
);
2375 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2377 /* target error checking */
2378 if (!legal_teximage_target(ctx
, dims
, target
)) {
2379 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage%uD(target=%s)",
2380 dims
, _mesa_lookup_enum_by_nr(target
));
2384 /* general error checking */
2385 error
= texture_error_check(ctx
, dims
, target
, level
, internalFormat
,
2386 format
, type
, width
, height
, depth
, border
);
2388 if (_mesa_is_proxy_texture(target
)) {
2389 /* Proxy texture: just clear or set state depending on error checking */
2390 struct gl_texture_image
*texImage
=
2391 _mesa_get_proxy_tex_image(ctx
, target
, level
);
2394 /* when error, clear all proxy texture image parameters */
2396 clear_teximage_fields(texImage
);
2399 /* no error, set the tex image parameters */
2400 struct gl_texture_object
*texObj
=
2401 _mesa_get_current_tex_object(ctx
, target
);
2402 gl_format texFormat
= _mesa_choose_texture_format(ctx
, texObj
,
2407 if (legal_texture_size(ctx
, texFormat
, width
, height
, depth
)) {
2408 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
2409 depth
, border
, internalFormat
,
2412 else if (texImage
) {
2413 clear_teximage_fields(texImage
);
2418 /* non-proxy target */
2419 const GLuint face
= _mesa_tex_target_to_face(target
);
2420 struct gl_texture_object
*texObj
;
2421 struct gl_texture_image
*texImage
;
2424 return; /* error was recorded */
2427 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2428 _mesa_update_state(ctx
);
2430 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2432 _mesa_lock_texture(ctx
, texObj
);
2434 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2437 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
2440 gl_format texFormat
;
2442 if (texImage
->Data
) {
2443 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2446 ASSERT(texImage
->Data
== NULL
);
2447 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2448 internalFormat
, format
,
2451 if (legal_texture_size(ctx
, texFormat
, width
, height
, depth
)) {
2452 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2453 width
, height
, depth
,
2454 border
, internalFormat
, texFormat
);
2456 /* Give the texture to the driver. <pixels> may be null. */
2457 ASSERT(ctx
->Driver
.TexImage3D
);
2460 ctx
->Driver
.TexImage1D(ctx
, target
, level
, internalFormat
,
2461 width
, border
, format
,
2462 type
, pixels
, &ctx
->Unpack
, texObj
,
2466 ctx
->Driver
.TexImage2D(ctx
, target
, level
, internalFormat
,
2467 width
, height
, border
, format
,
2468 type
, pixels
, &ctx
->Unpack
, texObj
,
2472 ctx
->Driver
.TexImage3D(ctx
, target
, level
, internalFormat
,
2473 width
, height
, depth
, border
, format
,
2474 type
, pixels
, &ctx
->Unpack
, texObj
,
2478 _mesa_problem(ctx
, "invalid dims=%u in teximage()", dims
);
2481 check_gen_mipmap(ctx
, target
, texObj
, level
);
2483 update_fbo_texture(ctx
, texObj
, face
, level
);
2486 texObj
->_Complete
= GL_FALSE
;
2487 ctx
->NewState
|= _NEW_TEXTURE
;
2490 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
2494 _mesa_unlock_texture(ctx
, texObj
);
2500 * Called from the API. Note that width includes the border.
2503 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
2504 GLsizei width
, GLint border
, GLenum format
,
2505 GLenum type
, const GLvoid
*pixels
)
2507 GET_CURRENT_CONTEXT(ctx
);
2508 teximage(ctx
, 1, target
, level
, internalFormat
, width
, 1, 1,
2509 border
, format
, type
, pixels
);
2514 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
2515 GLsizei width
, GLsizei height
, GLint border
,
2516 GLenum format
, GLenum type
,
2517 const GLvoid
*pixels
)
2519 GET_CURRENT_CONTEXT(ctx
);
2520 teximage(ctx
, 2, target
, level
, internalFormat
, width
, height
, 1,
2521 border
, format
, type
, pixels
);
2526 * Called by the API or display list executor.
2527 * Note that width and height include the border.
2530 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
2531 GLsizei width
, GLsizei height
, GLsizei depth
,
2532 GLint border
, GLenum format
, GLenum type
,
2533 const GLvoid
*pixels
)
2535 GET_CURRENT_CONTEXT(ctx
);
2536 teximage(ctx
, 3, target
, level
, internalFormat
, width
, height
, depth
,
2537 border
, format
, type
, pixels
);
2542 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
2543 GLsizei width
, GLsizei height
, GLsizei depth
,
2544 GLint border
, GLenum format
, GLenum type
,
2545 const GLvoid
*pixels
)
2547 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
2548 depth
, border
, format
, type
, pixels
);
2552 #if FEATURE_OES_EGL_image
2554 _mesa_EGLImageTargetTexture2DOES (GLenum target
, GLeglImageOES image
)
2556 struct gl_texture_object
*texObj
;
2557 struct gl_texture_image
*texImage
;
2558 GET_CURRENT_CONTEXT(ctx
);
2559 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2561 if (!ctx
->Extensions
.OES_EGL_image
) {
2562 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2563 "glEGLImageTargetTexture2DOES(unsupported)");
2567 if (target
!= GL_TEXTURE_2D
) {
2568 _mesa_error(ctx
, GL_INVALID_ENUM
,
2569 "glEGLImageTargetTexture2D(target=%d)", target
);
2573 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2574 _mesa_update_state(ctx
);
2576 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2577 _mesa_lock_texture(ctx
, texObj
);
2579 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, 0);
2581 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEGLImageTargetTexture2D");
2584 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2586 ASSERT(texImage
->Data
== NULL
);
2587 ctx
->Driver
.EGLImageTargetTexture2D(ctx
, target
,
2588 texObj
, texImage
, image
);
2591 texObj
->_Complete
= GL_FALSE
;
2592 ctx
->NewState
|= _NEW_TEXTURE
;
2594 _mesa_unlock_texture(ctx
, texObj
);
2602 * Implement all the glTexSubImage1/2/3D() functions.
2605 texsubimage(struct gl_context
*ctx
, GLuint dims
, GLenum target
, GLint level
,
2606 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2607 GLsizei width
, GLsizei height
, GLsizei depth
,
2608 GLenum format
, GLenum type
, const GLvoid
*pixels
)
2610 struct gl_texture_object
*texObj
;
2611 struct gl_texture_image
*texImage
;
2613 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2615 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2616 _mesa_debug(ctx
, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
2618 _mesa_lookup_enum_by_nr(target
), level
,
2619 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
2620 _mesa_lookup_enum_by_nr(format
),
2621 _mesa_lookup_enum_by_nr(type
), pixels
);
2623 /* check target (proxies not allowed) */
2624 if (!legal_teximage_target(ctx
, dims
, target
) ||
2625 _mesa_is_proxy_texture(target
)) {
2626 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage%uD(target=%s)",
2627 dims
, _mesa_lookup_enum_by_nr(target
));
2631 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2632 _mesa_update_state(ctx
);
2634 if (subtexture_error_check(ctx
, dims
, target
, level
, xoffset
, yoffset
, zoffset
,
2635 width
, height
, depth
, format
, type
)) {
2636 return; /* error was detected */
2639 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2641 _mesa_lock_texture(ctx
, texObj
);
2643 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2645 if (subtexture_error_check2(ctx
, dims
, target
, level
,
2646 xoffset
, yoffset
, zoffset
,
2647 width
, height
, depth
,
2648 format
, type
, texImage
)) {
2649 /* error was recorded */
2651 else if (width
> 0 && height
> 0 && height
> 0) {
2652 /* If we have a border, offset=-1 is legal. Bias by border width. */
2655 zoffset
+= texImage
->Border
;
2658 yoffset
+= texImage
->Border
;
2661 xoffset
+= texImage
->Border
;
2666 ctx
->Driver
.TexSubImage1D(ctx
, target
, level
,
2668 format
, type
, pixels
,
2669 &ctx
->Unpack
, texObj
, texImage
);
2672 ctx
->Driver
.TexSubImage2D(ctx
, target
, level
,
2673 xoffset
, yoffset
, width
, height
,
2674 format
, type
, pixels
,
2675 &ctx
->Unpack
, texObj
, texImage
);
2678 ctx
->Driver
.TexSubImage3D(ctx
, target
, level
,
2679 xoffset
, yoffset
, zoffset
,
2680 width
, height
, depth
,
2681 format
, type
, pixels
,
2682 &ctx
->Unpack
, texObj
, texImage
);
2685 _mesa_problem(ctx
, "unexpected dims in subteximage()");
2688 check_gen_mipmap(ctx
, target
, texObj
, level
);
2690 ctx
->NewState
|= _NEW_TEXTURE
;
2693 _mesa_unlock_texture(ctx
, texObj
);
2698 _mesa_TexSubImage1D( GLenum target
, GLint level
,
2699 GLint xoffset
, GLsizei width
,
2700 GLenum format
, GLenum type
,
2701 const GLvoid
*pixels
)
2703 GET_CURRENT_CONTEXT(ctx
);
2704 texsubimage(ctx
, 1, target
, level
,
2707 format
, type
, pixels
);
2712 _mesa_TexSubImage2D( GLenum target
, GLint level
,
2713 GLint xoffset
, GLint yoffset
,
2714 GLsizei width
, GLsizei height
,
2715 GLenum format
, GLenum type
,
2716 const GLvoid
*pixels
)
2718 GET_CURRENT_CONTEXT(ctx
);
2719 texsubimage(ctx
, 2, target
, level
,
2720 xoffset
, yoffset
, 0,
2722 format
, type
, pixels
);
2728 _mesa_TexSubImage3D( GLenum target
, GLint level
,
2729 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2730 GLsizei width
, GLsizei height
, GLsizei depth
,
2731 GLenum format
, GLenum type
,
2732 const GLvoid
*pixels
)
2734 GET_CURRENT_CONTEXT(ctx
);
2735 texsubimage(ctx
, 3, target
, level
,
2736 xoffset
, yoffset
, zoffset
,
2737 width
, height
, depth
,
2738 format
, type
, pixels
);
2744 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
2745 GLenum internalFormat
,
2747 GLsizei width
, GLint border
)
2749 struct gl_texture_object
*texObj
;
2750 struct gl_texture_image
*texImage
;
2751 const GLuint face
= _mesa_tex_target_to_face(target
);
2752 GET_CURRENT_CONTEXT(ctx
);
2753 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2755 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2756 _mesa_debug(ctx
, "glCopyTexImage1D %s %d %s %d %d %d %d\n",
2757 _mesa_lookup_enum_by_nr(target
), level
,
2758 _mesa_lookup_enum_by_nr(internalFormat
),
2759 x
, y
, width
, border
);
2761 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2762 _mesa_update_state(ctx
);
2764 if (copytexture_error_check(ctx
, 1, target
, level
, internalFormat
,
2768 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2770 _mesa_lock_texture(ctx
, texObj
);
2772 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2774 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage1D");
2777 gl_format texFormat
;
2779 if (texImage
->Data
) {
2780 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2783 ASSERT(texImage
->Data
== NULL
);
2785 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2786 internalFormat
, GL_NONE
,
2789 if (legal_texture_size(ctx
, texFormat
, width
, 1, 1)) {
2790 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
2791 border
, internalFormat
, texFormat
);
2793 ASSERT(ctx
->Driver
.CopyTexImage1D
);
2794 ctx
->Driver
.CopyTexImage1D(ctx
, target
, level
, internalFormat
,
2795 x
, y
, width
, border
);
2797 check_gen_mipmap(ctx
, target
, texObj
, level
);
2799 update_fbo_texture(ctx
, texObj
, face
, level
);
2802 texObj
->_Complete
= GL_FALSE
;
2803 ctx
->NewState
|= _NEW_TEXTURE
;
2806 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage1D");
2810 _mesa_unlock_texture(ctx
, texObj
);
2816 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
2817 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
2820 struct gl_texture_object
*texObj
;
2821 struct gl_texture_image
*texImage
;
2822 const GLuint face
= _mesa_tex_target_to_face(target
);
2823 GET_CURRENT_CONTEXT(ctx
);
2824 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2826 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2827 _mesa_debug(ctx
, "glCopyTexImage2D %s %d %s %d %d %d %d %d\n",
2828 _mesa_lookup_enum_by_nr(target
), level
,
2829 _mesa_lookup_enum_by_nr(internalFormat
),
2830 x
, y
, width
, height
, border
);
2832 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2833 _mesa_update_state(ctx
);
2835 if (copytexture_error_check(ctx
, 2, target
, level
, internalFormat
,
2836 width
, height
, border
))
2839 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2841 _mesa_lock_texture(ctx
, texObj
);
2843 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2846 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage2D");
2849 gl_format texFormat
;
2851 if (texImage
->Data
) {
2852 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2855 ASSERT(texImage
->Data
== NULL
);
2857 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
2858 internalFormat
, GL_NONE
,
2861 if (legal_texture_size(ctx
, texFormat
, width
, height
, 1)) {
2862 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
2863 border
, internalFormat
, texFormat
);
2865 ASSERT(ctx
->Driver
.CopyTexImage2D
);
2866 ctx
->Driver
.CopyTexImage2D(ctx
, target
, level
, internalFormat
,
2867 x
, y
, width
, height
, border
);
2869 check_gen_mipmap(ctx
, target
, texObj
, level
);
2871 update_fbo_texture(ctx
, texObj
, face
, level
);
2874 texObj
->_Complete
= GL_FALSE
;
2875 ctx
->NewState
|= _NEW_TEXTURE
;
2878 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage2D");
2882 _mesa_unlock_texture(ctx
, texObj
);
2887 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
2888 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
2890 struct gl_texture_object
*texObj
;
2891 struct gl_texture_image
*texImage
;
2895 GET_CURRENT_CONTEXT(ctx
);
2896 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2898 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2899 _mesa_debug(ctx
, "glCopyTexSubImage1D %s %d %d %d %d %d\n",
2900 _mesa_lookup_enum_by_nr(target
),
2901 level
, xoffset
, x
, y
, width
);
2903 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2904 _mesa_update_state(ctx
);
2906 if (copytexsubimage_error_check1(ctx
, 1, target
, level
))
2909 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2911 _mesa_lock_texture(ctx
, texObj
);
2913 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2915 if (copytexsubimage_error_check2(ctx
, 1, target
, level
,
2916 xoffset
, 0, 0, width
, 1, texImage
)) {
2917 /* error was recorded */
2920 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2921 xoffset
+= texImage
->Border
;
2923 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2925 ASSERT(ctx
->Driver
.CopyTexSubImage1D
);
2926 ctx
->Driver
.CopyTexSubImage1D(ctx
, target
, level
,
2927 xoffset
, x
, y
, width
);
2929 check_gen_mipmap(ctx
, target
, texObj
, level
);
2931 ctx
->NewState
|= _NEW_TEXTURE
;
2935 _mesa_unlock_texture(ctx
, texObj
);
2941 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
2942 GLint xoffset
, GLint yoffset
,
2943 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2945 struct gl_texture_object
*texObj
;
2946 struct gl_texture_image
*texImage
;
2947 GET_CURRENT_CONTEXT(ctx
);
2948 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2950 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2951 _mesa_debug(ctx
, "glCopyTexSubImage2D %s %d %d %d %d %d %d %d\n",
2952 _mesa_lookup_enum_by_nr(target
),
2953 level
, xoffset
, yoffset
, x
, y
, width
, height
);
2955 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2956 _mesa_update_state(ctx
);
2958 if (copytexsubimage_error_check1(ctx
, 2, target
, level
))
2961 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2963 _mesa_lock_texture(ctx
, texObj
);
2965 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2967 if (copytexsubimage_error_check2(ctx
, 2, target
, level
,
2968 xoffset
, yoffset
, 0,
2969 width
, height
, texImage
)) {
2970 /* error was recorded */
2973 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2974 xoffset
+= texImage
->Border
;
2975 yoffset
+= texImage
->Border
;
2977 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2979 ASSERT(ctx
->Driver
.CopyTexSubImage2D
);
2980 ctx
->Driver
.CopyTexSubImage2D(ctx
, target
, level
, xoffset
, yoffset
,
2981 x
, y
, width
, height
);
2983 check_gen_mipmap(ctx
, target
, texObj
, level
);
2985 ctx
->NewState
|= _NEW_TEXTURE
;
2989 _mesa_unlock_texture(ctx
, texObj
);
2995 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
2996 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2997 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2999 struct gl_texture_object
*texObj
;
3000 struct gl_texture_image
*texImage
;
3001 GET_CURRENT_CONTEXT(ctx
);
3002 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3004 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3005 _mesa_debug(ctx
, "glCopyTexSubImage3D %s %d %d %d %d %d %d %d %d\n",
3006 _mesa_lookup_enum_by_nr(target
),
3007 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
3009 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
3010 _mesa_update_state(ctx
);
3012 if (copytexsubimage_error_check1(ctx
, 3, target
, level
))
3015 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3017 _mesa_lock_texture(ctx
, texObj
);
3019 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3021 if (copytexsubimage_error_check2(ctx
, 3, target
, level
, xoffset
, yoffset
,
3022 zoffset
, width
, height
, texImage
)) {
3023 /* error was recored */
3026 /* If we have a border, xoffset=-1 is legal. Bias by border width */
3027 xoffset
+= texImage
->Border
;
3028 yoffset
+= texImage
->Border
;
3029 zoffset
+= texImage
->Border
;
3031 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
3033 ASSERT(ctx
->Driver
.CopyTexSubImage3D
);
3034 ctx
->Driver
.CopyTexSubImage3D(ctx
, target
, level
,
3035 xoffset
, yoffset
, zoffset
,
3036 x
, y
, width
, height
);
3038 check_gen_mipmap(ctx
, target
, texObj
, level
);
3040 ctx
->NewState
|= _NEW_TEXTURE
;
3044 _mesa_unlock_texture(ctx
, texObj
);
3050 /**********************************************************************/
3051 /****** Compressed Textures ******/
3052 /**********************************************************************/
3056 * Return expected size of a compressed texture.
3059 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
3062 gl_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
3063 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
3068 * Return compressed texture block size, in pixels.
3071 get_compressed_block_size(GLenum glformat
, GLuint
*bw
, GLuint
*bh
)
3073 gl_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
3074 _mesa_get_format_block_size(mesaFormat
, bw
, bh
);
3079 * Error checking for glCompressedTexImage[123]D().
3080 * \return error code or GL_NO_ERROR.
3083 compressed_texture_error_check(struct gl_context
*ctx
, GLint dimensions
,
3084 GLenum target
, GLint level
,
3085 GLenum internalFormat
, GLsizei width
,
3086 GLsizei height
, GLsizei depth
, GLint border
,
3089 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3091 if (dimensions
== 1) {
3092 /* 1D compressed textures not allowed */
3093 return GL_INVALID_ENUM
;
3095 else if (dimensions
== 2) {
3096 if (target
== GL_PROXY_TEXTURE_2D
) {
3097 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3099 else if (target
== GL_TEXTURE_2D
) {
3100 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3102 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3103 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3104 return GL_INVALID_ENUM
; /*target*/
3105 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3107 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3108 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3109 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3110 return GL_INVALID_ENUM
; /*target*/
3111 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3114 return GL_INVALID_ENUM
; /*target*/
3117 else if (dimensions
== 3) {
3118 /* 3D compressed textures not allowed */
3119 return GL_INVALID_ENUM
;
3123 return GL_INVALID_ENUM
;
3126 maxTextureSize
= 1 << (maxLevels
- 1);
3128 /* This will detect any invalid internalFormat value */
3129 if (!_mesa_is_compressed_format(ctx
, internalFormat
))
3130 return GL_INVALID_ENUM
;
3132 /* This should really never fail */
3133 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0)
3134 return GL_INVALID_ENUM
;
3137 return GL_INVALID_VALUE
;
3140 * XXX We should probably use the proxy texture error check function here.
3142 if (width
< 1 || width
> maxTextureSize
||
3143 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(width
)))
3144 return GL_INVALID_VALUE
;
3146 if ((height
< 1 || height
> maxTextureSize
||
3147 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(height
)))
3149 return GL_INVALID_VALUE
;
3151 if ((depth
< 1 || depth
> maxTextureSize
||
3152 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(depth
)))
3154 return GL_INVALID_VALUE
;
3156 /* For cube map, width must equal height */
3157 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3158 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
&& width
!= height
)
3159 return GL_INVALID_VALUE
;
3161 if (level
< 0 || level
>= maxLevels
)
3162 return GL_INVALID_VALUE
;
3164 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
3165 if (expectedSize
!= imageSize
)
3166 return GL_INVALID_VALUE
;
3168 #if FEATURE_EXT_texture_sRGB
3169 if ((internalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
3170 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
3171 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
3172 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
)
3174 return GL_INVALID_OPERATION
;
3183 * Error checking for glCompressedTexSubImage[123]D().
3184 * \warning There are some bad assumptions here about the size of compressed
3185 * texture tiles (multiple of 4) used to test the validity of the
3186 * offset and size parameters.
3187 * \return error code or GL_NO_ERROR.
3190 compressed_subtexture_error_check(struct gl_context
*ctx
, GLint dimensions
,
3191 GLenum target
, GLint level
,
3192 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3193 GLsizei width
, GLsizei height
, GLsizei depth
,
3194 GLenum format
, GLsizei imageSize
)
3196 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3200 if (dimensions
== 1) {
3201 /* 1D compressed textures not allowed */
3202 return GL_INVALID_ENUM
;
3204 else if (dimensions
== 2) {
3205 if (target
== GL_PROXY_TEXTURE_2D
) {
3206 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3208 else if (target
== GL_TEXTURE_2D
) {
3209 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3211 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3212 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3213 return GL_INVALID_ENUM
; /*target*/
3214 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3216 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3217 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3218 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3219 return GL_INVALID_ENUM
; /*target*/
3220 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3223 return GL_INVALID_ENUM
; /*target*/
3226 else if (dimensions
== 3) {
3227 /* 3D compressed textures not allowed */
3228 return GL_INVALID_ENUM
;
3231 maxTextureSize
= 1 << (maxLevels
- 1);
3233 /* this will catch any invalid compressed format token */
3234 if (!_mesa_is_compressed_format(ctx
, format
))
3235 return GL_INVALID_ENUM
;
3237 if (width
< 1 || width
> maxTextureSize
)
3238 return GL_INVALID_VALUE
;
3240 if ((height
< 1 || height
> maxTextureSize
)
3242 return GL_INVALID_VALUE
;
3244 if (level
< 0 || level
>= maxLevels
)
3245 return GL_INVALID_VALUE
;
3248 * do checks which depend on compression block size
3250 get_compressed_block_size(format
, &bw
, &bh
);
3252 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0))
3253 return GL_INVALID_VALUE
;
3255 if ((width
% bw
!= 0) && width
!= 2 && width
!= 1)
3256 return GL_INVALID_VALUE
;
3258 if ((height
% bh
!= 0) && height
!= 2 && height
!= 1)
3259 return GL_INVALID_VALUE
;
3261 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
3262 if (expectedSize
!= imageSize
)
3263 return GL_INVALID_VALUE
;
3270 * Do second part of glCompressedTexSubImage error checking.
3271 * \return GL_TRUE if error found, GL_FALSE otherwise.
3274 compressed_subtexture_error_check2(struct gl_context
*ctx
, GLuint dims
,
3275 GLsizei width
, GLsizei height
,
3276 GLsizei depth
, GLenum format
,
3277 struct gl_texture_image
*texImage
)
3280 if ((GLint
) format
!= texImage
->InternalFormat
) {
3281 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3282 "glCompressedTexSubImage%uD(format=0x%x)", dims
, format
);
3286 if (((width
== 1 || width
== 2) &&
3287 width
!= (GLsizei
) texImage
->Width
) ||
3288 (width
> (GLsizei
) texImage
->Width
)) {
3289 _mesa_error(ctx
, GL_INVALID_VALUE
,
3290 "glCompressedTexSubImage%uD(width=%d)", dims
, width
);
3295 if (((height
== 1 || height
== 2) &&
3296 height
!= (GLsizei
) texImage
->Height
) ||
3297 (height
> (GLsizei
) texImage
->Height
)) {
3298 _mesa_error(ctx
, GL_INVALID_VALUE
,
3299 "glCompressedTexSubImage%uD(height=%d)", dims
, height
);
3305 if (((depth
== 1 || depth
== 2) &&
3306 depth
!= (GLsizei
) texImage
->Depth
) ||
3307 (depth
> (GLsizei
) texImage
->Depth
)) {
3308 _mesa_error(ctx
, GL_INVALID_VALUE
,
3309 "glCompressedTexSubImage%uD(depth=%d)", dims
, depth
);
3320 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
3321 GLenum internalFormat
, GLsizei width
,
3322 GLint border
, GLsizei imageSize
,
3325 GET_CURRENT_CONTEXT(ctx
);
3326 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3328 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3329 _mesa_debug(ctx
, "glCompressedTexImage1DARB %s %d %s %d %d %d %p\n",
3330 _mesa_lookup_enum_by_nr(target
), level
,
3331 _mesa_lookup_enum_by_nr(internalFormat
),
3332 width
, border
, imageSize
, data
);
3334 if (target
== GL_TEXTURE_1D
) {
3335 /* non-proxy target */
3336 struct gl_texture_object
*texObj
;
3337 struct gl_texture_image
*texImage
;
3338 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3339 internalFormat
, width
, 1, 1, border
, imageSize
);
3341 _mesa_error(ctx
, error
, "glCompressedTexImage1D");
3345 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3347 _mesa_lock_texture(ctx
, texObj
);
3349 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3351 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage1D");
3354 gl_format texFormat
;
3356 if (texImage
->Data
) {
3357 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3359 ASSERT(texImage
->Data
== NULL
);
3361 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3362 internalFormat
, GL_NONE
,
3365 if (legal_texture_size(ctx
, texFormat
, width
, 1, 1)) {
3366 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3367 border
, internalFormat
, texFormat
);
3369 ASSERT(ctx
->Driver
.CompressedTexImage1D
);
3370 ctx
->Driver
.CompressedTexImage1D(ctx
, target
, level
,
3371 internalFormat
, width
, border
,
3375 check_gen_mipmap(ctx
, target
, texObj
, level
);
3378 texObj
->_Complete
= GL_FALSE
;
3379 ctx
->NewState
|= _NEW_TEXTURE
;
3382 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage1D");
3386 _mesa_unlock_texture(ctx
, texObj
);
3388 else if (target
== GL_PROXY_TEXTURE_1D
) {
3389 /* Proxy texture: check for errors and update proxy state */
3390 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3391 internalFormat
, width
, 1, 1, border
, imageSize
);
3393 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3394 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3395 internalFormat
, GL_NONE
, GL_NONE
,
3396 width
, 1, 1, border
);
3399 /* if error, clear all proxy texture image parameters */
3400 struct gl_texture_image
*texImage
;
3401 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3403 clear_teximage_fields(texImage
);
3406 /* store the teximage parameters */
3407 struct gl_texture_object
*texObj
;
3408 struct gl_texture_image
*texImage
;
3409 gl_format texFormat
;
3411 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3413 _mesa_lock_texture(ctx
, texObj
);
3415 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3416 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3417 internalFormat
, GL_NONE
,
3419 if (legal_texture_size(ctx
, texFormat
, width
, 1, 1)) {
3420 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3421 border
, internalFormat
, texFormat
);
3423 else if (texImage
) {
3424 clear_teximage_fields(texImage
);
3427 _mesa_unlock_texture(ctx
, texObj
);
3431 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage1D(target)");
3437 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
3438 GLenum internalFormat
, GLsizei width
,
3439 GLsizei height
, GLint border
, GLsizei imageSize
,
3442 GET_CURRENT_CONTEXT(ctx
);
3443 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3445 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3446 _mesa_debug(ctx
, "glCompressedTexImage2DARB %s %d %s %d %d %d %d %p\n",
3447 _mesa_lookup_enum_by_nr(target
), level
,
3448 _mesa_lookup_enum_by_nr(internalFormat
),
3449 width
, height
, border
, imageSize
, data
);
3452 switch (internalFormat
) {
3453 case GL_PALETTE4_RGB8_OES
:
3454 case GL_PALETTE4_RGBA8_OES
:
3455 case GL_PALETTE4_R5_G6_B5_OES
:
3456 case GL_PALETTE4_RGBA4_OES
:
3457 case GL_PALETTE4_RGB5_A1_OES
:
3458 case GL_PALETTE8_RGB8_OES
:
3459 case GL_PALETTE8_RGBA8_OES
:
3460 case GL_PALETTE8_R5_G6_B5_OES
:
3461 case GL_PALETTE8_RGBA4_OES
:
3462 case GL_PALETTE8_RGB5_A1_OES
:
3463 _mesa_cpal_compressed_teximage2d(target
, level
, internalFormat
,
3464 width
, height
, imageSize
, data
);
3469 if (target
== GL_TEXTURE_2D
||
3470 (ctx
->Extensions
.ARB_texture_cube_map
&&
3471 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3472 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
3473 /* non-proxy target */
3474 struct gl_texture_object
*texObj
;
3475 struct gl_texture_image
*texImage
;
3477 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3478 internalFormat
, width
, height
, 1, border
, imageSize
);
3480 _mesa_error(ctx
, error
, "glCompressedTexImage2D");
3484 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3486 _mesa_lock_texture(ctx
, texObj
);
3488 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3490 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3493 gl_format texFormat
;
3495 if (texImage
->Data
) {
3496 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3498 ASSERT(texImage
->Data
== NULL
);
3500 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3501 internalFormat
, GL_NONE
,
3504 if (legal_texture_size(ctx
, texFormat
, width
, 1, 1)) {
3505 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
,
3506 height
, 1, border
, internalFormat
,
3509 ASSERT(ctx
->Driver
.CompressedTexImage2D
);
3510 ctx
->Driver
.CompressedTexImage2D(ctx
, target
, level
,
3511 internalFormat
, width
, height
,
3512 border
, imageSize
, data
,
3515 check_gen_mipmap(ctx
, target
, texObj
, level
);
3518 texObj
->_Complete
= GL_FALSE
;
3519 ctx
->NewState
|= _NEW_TEXTURE
;
3522 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3526 _mesa_unlock_texture(ctx
, texObj
);
3528 else if (target
== GL_PROXY_TEXTURE_2D
||
3529 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
3530 ctx
->Extensions
.ARB_texture_cube_map
)) {
3531 /* Proxy texture: check for errors and update proxy state */
3532 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3533 internalFormat
, width
, height
, 1, border
, imageSize
);
3535 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3536 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3537 internalFormat
, GL_NONE
, GL_NONE
,
3538 width
, height
, 1, border
);
3541 /* if error, clear all proxy texture image parameters */
3542 struct gl_texture_image
*texImage
;
3543 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3545 clear_teximage_fields(texImage
);
3548 /* store the teximage parameters */
3549 struct gl_texture_object
*texObj
;
3550 struct gl_texture_image
*texImage
;
3551 gl_format texFormat
;
3553 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3555 _mesa_lock_texture(ctx
, texObj
);
3557 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3558 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3559 internalFormat
, GL_NONE
,
3561 if (legal_texture_size(ctx
, texFormat
, width
, height
, 1)) {
3562 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
,
3563 height
, 1, border
, internalFormat
,
3567 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3570 _mesa_unlock_texture(ctx
, texObj
);
3574 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage2D(target)");
3581 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
3582 GLenum internalFormat
, GLsizei width
,
3583 GLsizei height
, GLsizei depth
, GLint border
,
3584 GLsizei imageSize
, const GLvoid
*data
)
3586 GET_CURRENT_CONTEXT(ctx
);
3587 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3589 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3590 _mesa_debug(ctx
, "glCompressedTexImage3DARB %s %d %s %d %d %d %d %d %p\n",
3591 _mesa_lookup_enum_by_nr(target
), level
,
3592 _mesa_lookup_enum_by_nr(internalFormat
),
3593 width
, height
, depth
, border
, imageSize
, data
);
3595 if (target
== GL_TEXTURE_3D
) {
3596 /* non-proxy target */
3597 struct gl_texture_object
*texObj
;
3598 struct gl_texture_image
*texImage
;
3599 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3600 internalFormat
, width
, height
, depth
, border
, imageSize
);
3602 _mesa_error(ctx
, error
, "glCompressedTexImage3D");
3606 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3608 _mesa_lock_texture(ctx
, texObj
);
3610 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3612 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage3D");
3615 gl_format texFormat
;
3617 if (texImage
->Data
) {
3618 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3620 ASSERT(texImage
->Data
== NULL
);
3622 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3623 internalFormat
, GL_NONE
,
3626 if (legal_texture_size(ctx
, texFormat
, width
, height
, depth
)) {
3627 _mesa_init_teximage_fields(ctx
, target
, texImage
,
3628 width
, height
, depth
,
3629 border
, internalFormat
, texFormat
);
3631 ASSERT(ctx
->Driver
.CompressedTexImage3D
);
3632 ctx
->Driver
.CompressedTexImage3D(ctx
, target
, level
,
3634 width
, height
, depth
,
3635 border
, imageSize
, data
,
3638 check_gen_mipmap(ctx
, target
, texObj
, level
);
3641 texObj
->_Complete
= GL_FALSE
;
3642 ctx
->NewState
|= _NEW_TEXTURE
;
3645 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage3D");
3649 _mesa_unlock_texture(ctx
, texObj
);
3651 else if (target
== GL_PROXY_TEXTURE_3D
) {
3652 /* Proxy texture: check for errors and update proxy state */
3653 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3654 internalFormat
, width
, height
, depth
, border
, imageSize
);
3656 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3657 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3658 internalFormat
, GL_NONE
, GL_NONE
,
3659 width
, height
, depth
, border
);
3662 /* if error, clear all proxy texture image parameters */
3663 struct gl_texture_image
*texImage
;
3664 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3666 clear_teximage_fields(texImage
);
3669 /* store the teximage parameters */
3670 struct gl_texture_object
*texObj
;
3671 struct gl_texture_image
*texImage
;
3672 gl_format texFormat
;
3674 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3676 _mesa_lock_texture(ctx
, texObj
);
3678 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3679 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
3680 internalFormat
, GL_NONE
,
3682 if (legal_texture_size(ctx
, texFormat
, width
, height
, depth
)) {
3683 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
3684 depth
, border
, internalFormat
,
3687 else if (texImage
) {
3688 clear_teximage_fields(texImage
);
3691 _mesa_unlock_texture(ctx
, texObj
);
3695 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage3D(target)");
3702 * Common helper for glCompressedTexSubImage1/2/3D().
3705 compressed_tex_sub_image(GLuint dims
, GLenum target
, GLint level
,
3706 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3707 GLsizei width
, GLsizei height
, GLsizei depth
,
3708 GLenum format
, GLsizei imageSize
, const GLvoid
*data
)
3710 struct gl_texture_object
*texObj
;
3711 struct gl_texture_image
*texImage
;
3713 GET_CURRENT_CONTEXT(ctx
);
3714 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3716 error
= compressed_subtexture_error_check(ctx
, dims
, target
, level
,
3717 xoffset
, 0, 0, /* pos */
3718 width
, height
, depth
, /* size */
3721 _mesa_error(ctx
, error
, "glCompressedTexSubImage%uD", dims
);
3725 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3727 _mesa_lock_texture(ctx
, texObj
);
3729 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3732 if (compressed_subtexture_error_check2(ctx
, dims
, width
, height
, depth
,
3733 format
, texImage
)) {
3734 /* error was recorded */
3736 else if (width
> 0 && height
> 0 && depth
> 0) {
3739 if (ctx
->Driver
.CompressedTexSubImage1D
) {
3740 ctx
->Driver
.CompressedTexSubImage1D(ctx
, target
, level
,
3742 format
, imageSize
, data
,
3747 if (ctx
->Driver
.CompressedTexSubImage2D
) {
3748 ctx
->Driver
.CompressedTexSubImage2D(ctx
, target
, level
,
3751 format
, imageSize
, data
,
3756 if (ctx
->Driver
.CompressedTexSubImage3D
) {
3757 ctx
->Driver
.CompressedTexSubImage3D(ctx
, target
, level
,
3758 xoffset
, yoffset
, zoffset
,
3759 width
, height
, depth
,
3760 format
, imageSize
, data
,
3768 check_gen_mipmap(ctx
, target
, texObj
, level
);
3770 ctx
->NewState
|= _NEW_TEXTURE
;
3773 _mesa_unlock_texture(ctx
, texObj
);
3778 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
3779 GLsizei width
, GLenum format
,
3780 GLsizei imageSize
, const GLvoid
*data
)
3782 compressed_tex_sub_image(1, target
, level
, xoffset
, 0, 0, width
, 1, 1,
3783 format
, imageSize
, data
);
3788 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
3789 GLint yoffset
, GLsizei width
, GLsizei height
,
3790 GLenum format
, GLsizei imageSize
,
3793 compressed_tex_sub_image(2, target
, level
, xoffset
, yoffset
, 0,
3794 width
, height
, 1, format
, imageSize
, data
);
3799 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
3800 GLint yoffset
, GLint zoffset
, GLsizei width
,
3801 GLsizei height
, GLsizei depth
, GLenum format
,
3802 GLsizei imageSize
, const GLvoid
*data
)
3804 compressed_tex_sub_image(3, target
, level
, xoffset
, yoffset
, zoffset
,
3805 width
, height
, depth
, format
, imageSize
, data
);