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"
39 #include "framebuffer.h"
45 #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( GLcontext
*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
:
354 #endif /* FEATURE_EXT_texture_sRGB */
356 return -1; /* error */
361 * Test if it is a supported compressed format.
363 * \param internalFormat the internal format token provided by the user.
365 * \ret GL_TRUE if \p internalFormat is a supported compressed format, or
366 * GL_FALSE otherwise.
368 * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX
372 is_compressed_format(GLcontext
*ctx
, GLenum internalFormat
)
374 GLint supported
[100]; /* 100 should be plenty */
377 n
= _mesa_get_compressed_formats(ctx
, supported
, GL_TRUE
);
379 for (i
= 0; i
< n
; i
++) {
380 if ((GLint
) internalFormat
== supported
[i
]) {
389 * For cube map faces, return a face index in [0,5].
390 * For other targets return 0;
393 _mesa_tex_target_to_face(GLenum target
)
395 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
396 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)
397 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
405 * Store a gl_texture_image pointer in a gl_texture_object structure
406 * according to the target and level parameters.
408 * \param tObj texture object.
409 * \param target texture target.
410 * \param level image level.
411 * \param texImage texture image.
413 * This was basically prompted by the introduction of cube maps.
416 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
417 GLenum target
, GLint level
,
418 struct gl_texture_image
*texImage
)
420 const GLuint face
= _mesa_tex_target_to_face(target
);
424 ASSERT(target
!= GL_TEXTURE_RECTANGLE_NV
|| level
== 0);
426 tObj
->Image
[face
][level
] = texImage
;
428 /* Set the 'back' pointer */
429 texImage
->TexObject
= tObj
;
434 * Allocate a texture image structure.
436 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
439 * \return a pointer to gl_texture_image struct with all fields initialized to
442 struct gl_texture_image
*
443 _mesa_new_texture_image( GLcontext
*ctx
)
446 return CALLOC_STRUCT(gl_texture_image
);
451 * Free texture image data.
452 * This function is a fallback called via ctx->Driver.FreeTexImageData().
454 * \param texImage texture image.
456 * Free the texture image data if it's not marked as client data.
459 _mesa_free_texture_image_data(GLcontext
*ctx
,
460 struct gl_texture_image
*texImage
)
464 if (texImage
->Data
&& !texImage
->IsClientData
) {
465 /* free the old texture data */
466 _mesa_free_texmemory(texImage
->Data
);
469 texImage
->Data
= NULL
;
474 * Free texture image.
476 * \param texImage texture image.
478 * Free the texture image structure and the associated image data.
481 _mesa_delete_texture_image( GLcontext
*ctx
, struct gl_texture_image
*texImage
)
483 /* Free texImage->Data and/or any other driver-specific texture
486 ASSERT(ctx
->Driver
.FreeTexImageData
);
487 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
489 ASSERT(texImage
->Data
== NULL
);
490 if (texImage
->ImageOffsets
)
491 _mesa_free(texImage
->ImageOffsets
);
492 _mesa_free(texImage
);
497 * Test if a target is a proxy target.
499 * \param target texture target.
501 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
504 _mesa_is_proxy_texture(GLenum target
)
506 /* NUM_TEXTURE_TARGETS should match number of terms below */
507 assert(NUM_TEXTURE_TARGETS
== 7);
509 return (target
== GL_PROXY_TEXTURE_1D
||
510 target
== GL_PROXY_TEXTURE_2D
||
511 target
== GL_PROXY_TEXTURE_3D
||
512 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
513 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
514 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
515 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
);
520 * Get the texture object that corresponds to the target of the given texture unit.
522 * \param ctx GL context.
523 * \param texUnit texture unit.
524 * \param target texture target.
526 * \return pointer to the texture object on success, or NULL on failure.
528 * \sa gl_texture_unit.
530 struct gl_texture_object
*
531 _mesa_select_tex_object(GLcontext
*ctx
, const struct gl_texture_unit
*texUnit
,
536 return texUnit
->CurrentTex
[TEXTURE_1D_INDEX
];
537 case GL_PROXY_TEXTURE_1D
:
538 return ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
];
540 return texUnit
->CurrentTex
[TEXTURE_2D_INDEX
];
541 case GL_PROXY_TEXTURE_2D
:
542 return ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
];
544 return texUnit
->CurrentTex
[TEXTURE_3D_INDEX
];
545 case GL_PROXY_TEXTURE_3D
:
546 return ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
];
547 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
548 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
549 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
550 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
551 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
552 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
553 case GL_TEXTURE_CUBE_MAP_ARB
:
554 return ctx
->Extensions
.ARB_texture_cube_map
555 ? texUnit
->CurrentTex
[TEXTURE_CUBE_INDEX
] : NULL
;
556 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
557 return ctx
->Extensions
.ARB_texture_cube_map
558 ? ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
] : NULL
;
559 case GL_TEXTURE_RECTANGLE_NV
:
560 return ctx
->Extensions
.NV_texture_rectangle
561 ? texUnit
->CurrentTex
[TEXTURE_RECT_INDEX
] : NULL
;
562 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
563 return ctx
->Extensions
.NV_texture_rectangle
564 ? ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
] : NULL
;
565 case GL_TEXTURE_1D_ARRAY_EXT
:
566 return ctx
->Extensions
.MESA_texture_array
567 ? texUnit
->CurrentTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
568 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
569 return ctx
->Extensions
.MESA_texture_array
570 ? ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
571 case GL_TEXTURE_2D_ARRAY_EXT
:
572 return ctx
->Extensions
.MESA_texture_array
573 ? texUnit
->CurrentTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
574 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
575 return ctx
->Extensions
.MESA_texture_array
576 ? ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
578 _mesa_problem(NULL
, "bad target in _mesa_select_tex_object()");
585 * Return pointer to texture object for given target on current texture unit.
587 struct gl_texture_object
*
588 _mesa_get_current_tex_object(GLcontext
*ctx
, GLenum target
)
590 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
591 return _mesa_select_tex_object(ctx
, texUnit
, target
);
596 * Get a texture image pointer from a texture object, given a texture
597 * target and mipmap level. The target and level parameters should
598 * have already been error-checked.
600 * \param ctx GL context.
601 * \param texObj texture unit.
602 * \param target texture target.
603 * \param level image level.
605 * \return pointer to the texture image structure, or NULL on failure.
607 struct gl_texture_image
*
608 _mesa_select_tex_image(GLcontext
*ctx
, const struct gl_texture_object
*texObj
,
609 GLenum target
, GLint level
)
611 const GLuint face
= _mesa_tex_target_to_face(target
);
615 ASSERT(level
< MAX_TEXTURE_LEVELS
);
617 return texObj
->Image
[face
][level
];
622 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
623 * it and install it. Only return NULL if passed a bad parameter or run
626 struct gl_texture_image
*
627 _mesa_get_tex_image(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
628 GLenum target
, GLint level
)
630 struct gl_texture_image
*texImage
;
635 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
637 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
639 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
643 _mesa_set_tex_image(texObj
, target
, level
, texImage
);
651 * Return pointer to the specified proxy texture image.
652 * Note that proxy textures are per-context, not per-texture unit.
653 * \return pointer to texture image or NULL if invalid target, invalid
654 * level, or out of memory.
656 struct gl_texture_image
*
657 _mesa_get_proxy_tex_image(GLcontext
*ctx
, GLenum target
, GLint level
)
659 struct gl_texture_image
*texImage
;
666 case GL_PROXY_TEXTURE_1D
:
667 if (level
>= ctx
->Const
.MaxTextureLevels
)
669 texIndex
= TEXTURE_1D_INDEX
;
671 case GL_PROXY_TEXTURE_2D
:
672 if (level
>= ctx
->Const
.MaxTextureLevels
)
674 texIndex
= TEXTURE_2D_INDEX
;
676 case GL_PROXY_TEXTURE_3D
:
677 if (level
>= ctx
->Const
.Max3DTextureLevels
)
679 texIndex
= TEXTURE_3D_INDEX
;
681 case GL_PROXY_TEXTURE_CUBE_MAP
:
682 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
684 texIndex
= TEXTURE_CUBE_INDEX
;
686 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
689 texIndex
= TEXTURE_RECT_INDEX
;
691 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
692 if (level
>= ctx
->Const
.MaxTextureLevels
)
694 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
696 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
697 if (level
>= ctx
->Const
.MaxTextureLevels
)
699 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
705 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
707 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
709 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
712 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
713 /* Set the 'back' pointer */
714 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
721 * Get the maximum number of allowed mipmap levels.
723 * \param ctx GL context.
724 * \param target texture target.
726 * \return the maximum number of allowed mipmap levels for the given
727 * texture target, or zero if passed a bad target.
732 _mesa_max_texture_levels(GLcontext
*ctx
, GLenum target
)
736 case GL_PROXY_TEXTURE_1D
:
738 case GL_PROXY_TEXTURE_2D
:
739 return ctx
->Const
.MaxTextureLevels
;
741 case GL_PROXY_TEXTURE_3D
:
742 return ctx
->Const
.Max3DTextureLevels
;
743 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
744 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
745 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
746 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
747 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
748 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
749 case GL_TEXTURE_CUBE_MAP_ARB
:
750 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
751 return ctx
->Extensions
.ARB_texture_cube_map
752 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
753 case GL_TEXTURE_RECTANGLE_NV
:
754 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
755 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
756 case GL_TEXTURE_1D_ARRAY_EXT
:
757 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
758 case GL_TEXTURE_2D_ARRAY_EXT
:
759 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
760 return ctx
->Extensions
.MESA_texture_array
761 ? ctx
->Const
.MaxTextureLevels
: 0;
763 return 0; /* bad target */
769 #if 000 /* not used anymore */
771 * glTexImage[123]D can accept a NULL image pointer. In this case we
772 * create a texture image with unspecified image contents per the OpenGL
776 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
778 const GLint components
= _mesa_components_in_format(format
);
779 const GLint numPixels
= width
* height
* depth
;
780 GLubyte
*data
= (GLubyte
*) MALLOC(numPixels
* components
* sizeof(GLubyte
));
784 * Let's see if anyone finds this. If glTexImage2D() is called with
785 * a NULL image pointer then load the texture image with something
786 * interesting instead of leaving it indeterminate.
789 static const char message
[8][32] = {
793 " X X XXXX XXX XXXXX ",
796 " X X XXXXX XXX X X ",
800 GLubyte
*imgPtr
= data
;
802 for (h
= 0; h
< depth
; h
++) {
803 for (i
= 0; i
< height
; i
++) {
804 GLint srcRow
= 7 - (i
% 8);
805 for (j
= 0; j
< width
; j
++) {
806 GLint srcCol
= j
% 32;
807 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
808 for (k
= 0; k
< components
; k
++) {
824 * Reset the fields of a gl_texture_image struct to zero.
826 * \param img texture image structure.
828 * This is called when a proxy texture test fails, we set all the
829 * image members (except DriverData) to zero.
830 * It's also used in glTexImage[123]D as a safeguard to be sure all
831 * required fields get initialized properly by the Driver.TexImage[123]D
835 clear_teximage_fields(struct gl_texture_image
*img
)
838 img
->_BaseFormat
= 0;
839 img
->InternalFormat
= 0;
845 if (img
->ImageOffsets
) {
846 _mesa_free(img
->ImageOffsets
);
847 img
->ImageOffsets
= NULL
;
856 img
->TexFormat
= MESA_FORMAT_NONE
;
857 img
->FetchTexelc
= NULL
;
858 img
->FetchTexelf
= NULL
;
863 * Initialize basic fields of the gl_texture_image struct.
865 * \param ctx GL context.
866 * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
867 * \param img texture image structure to be initialized.
868 * \param width image width.
869 * \param height image height.
870 * \param depth image depth.
871 * \param border image border.
872 * \param internalFormat internal format.
874 * Fills in the fields of \p img with the given information.
875 * Note: width, height and depth include the border.
878 _mesa_init_teximage_fields(GLcontext
*ctx
, GLenum target
,
879 struct gl_texture_image
*img
,
880 GLsizei width
, GLsizei height
, GLsizei depth
,
881 GLint border
, GLenum internalFormat
)
890 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
891 ASSERT(img
->_BaseFormat
> 0);
892 img
->InternalFormat
= internalFormat
;
893 img
->Border
= border
;
895 img
->Height
= height
;
898 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
899 img
->WidthLog2
= logbase2(img
->Width2
);
901 if (height
== 1) { /* 1-D texture */
906 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
907 img
->HeightLog2
= logbase2(img
->Height2
);
910 if (depth
== 1) { /* 2-D texture */
915 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
916 img
->DepthLog2
= logbase2(img
->Depth2
);
919 img
->MaxLog2
= MAX2(img
->WidthLog2
, img
->HeightLog2
);
921 if ((width
== 1 || _mesa_is_pow_two(img
->Width2
)) &&
922 (height
== 1 || _mesa_is_pow_two(img
->Height2
)) &&
923 (depth
== 1 || _mesa_is_pow_two(img
->Depth2
)))
924 img
->_IsPowerOfTwo
= GL_TRUE
;
926 img
->_IsPowerOfTwo
= GL_FALSE
;
928 /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
929 img
->RowStride
= width
;
930 /* Allocate the ImageOffsets array and initialize to typical values.
931 * We allocate the array for 1D/2D textures too in order to avoid special-
932 * case code in the texstore routines.
934 if (img
->ImageOffsets
)
935 _mesa_free(img
->ImageOffsets
);
936 img
->ImageOffsets
= (GLuint
*) _mesa_malloc(depth
* sizeof(GLuint
));
937 for (i
= 0; i
< depth
; i
++) {
938 img
->ImageOffsets
[i
] = i
* width
* height
;
941 /* Compute Width/Height/DepthScale for mipmap lod computation */
942 if (target
== GL_TEXTURE_RECTANGLE_NV
) {
943 /* scale = 1.0 since texture coords directly map to texels */
944 img
->WidthScale
= 1.0;
945 img
->HeightScale
= 1.0;
946 img
->DepthScale
= 1.0;
949 img
->WidthScale
= (GLfloat
) img
->Width
;
950 img
->HeightScale
= (GLfloat
) img
->Height
;
951 img
->DepthScale
= (GLfloat
) img
->Depth
;
954 img
->FetchTexelc
= NULL
;
955 img
->FetchTexelf
= NULL
;
960 * Free and clear fields of the gl_texture_image struct.
962 * \param ctx GL context.
963 * \param texImage texture image structure to be cleared.
965 * After the call, \p texImage will have no data associated with it. Its
966 * fields are cleared so that its parent object will test incomplete.
969 _mesa_clear_texture_image(GLcontext
*ctx
, struct gl_texture_image
*texImage
)
971 ctx
->Driver
.FreeTexImageData(ctx
, texImage
);
972 clear_teximage_fields(texImage
);
977 * This is the fallback for Driver.TestProxyTexImage(). Test the texture
978 * level, width, height and depth against the ctx->Const limits for textures.
980 * A hardware driver might override this function if, for example, the
981 * max 3D texture size is 512x512x64 (i.e. not a cube).
983 * Note that width, height, depth == 0 is not an error. However, a
984 * texture with zero width/height/depth will be considered "incomplete"
985 * and texturing will effectively be disabled.
987 * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
988 * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
989 * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
990 * \param level as passed to glTexImage
991 * \param internalFormat as passed to glTexImage
992 * \param format as passed to glTexImage
993 * \param type as passed to glTexImage
994 * \param width as passed to glTexImage
995 * \param height as passed to glTexImage
996 * \param depth as passed to glTexImage
997 * \param border as passed to glTexImage
998 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1001 _mesa_test_proxy_teximage(GLcontext
*ctx
, GLenum target
, GLint level
,
1002 GLint internalFormat
, GLenum format
, GLenum type
,
1003 GLint width
, GLint height
, GLint depth
, GLint border
)
1007 (void) internalFormat
;
1012 case GL_PROXY_TEXTURE_1D
:
1013 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1014 if (width
< 2 * border
|| width
> 2 + maxSize
||
1015 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1016 width
>0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1017 level
>= ctx
->Const
.MaxTextureLevels
) {
1018 /* bad width or level */
1022 case GL_PROXY_TEXTURE_2D
:
1023 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1024 if (width
< 2 * border
|| width
> 2 + maxSize
||
1025 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1026 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1027 height
< 2 * border
|| height
> 2 + maxSize
||
1028 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1029 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1030 level
>= ctx
->Const
.MaxTextureLevels
) {
1031 /* bad width or height or level */
1035 case GL_PROXY_TEXTURE_3D
:
1036 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1037 if (width
< 2 * border
|| width
> 2 + maxSize
||
1038 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1039 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1040 height
< 2 * border
|| height
> 2 + maxSize
||
1041 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1042 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1043 depth
< 2 * border
|| depth
> 2 + maxSize
||
1044 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1045 depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
)) ||
1046 level
>= ctx
->Const
.Max3DTextureLevels
) {
1047 /* bad width or height or depth or level */
1051 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1052 if (width
< 0 || width
> ctx
->Const
.MaxTextureRectSize
||
1053 height
< 0 || height
> ctx
->Const
.MaxTextureRectSize
||
1055 /* bad width or height or level */
1059 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1060 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1061 if (width
< 2 * border
|| width
> 2 + maxSize
||
1062 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1063 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1064 height
< 2 * border
|| height
> 2 + maxSize
||
1065 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1066 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1067 level
>= ctx
->Const
.MaxCubeTextureLevels
) {
1068 /* bad width or height */
1072 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1073 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1074 if (width
< 2 * border
|| width
> 2 + maxSize
||
1075 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1076 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1077 level
>= ctx
->Const
.MaxTextureLevels
) {
1078 /* bad width or level */
1082 if (height
< 1 || height
> ctx
->Const
.MaxArrayTextureLayers
) {
1086 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1087 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1088 if (width
< 2 * border
|| width
> 2 + maxSize
||
1089 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1090 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1091 height
< 2 * border
|| height
> 2 + maxSize
||
1092 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1093 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1094 level
>= ctx
->Const
.MaxTextureLevels
) {
1095 /* bad width or height or level */
1098 if (depth
< 1 || depth
> ctx
->Const
.MaxArrayTextureLayers
) {
1103 _mesa_problem(ctx
, "Invalid target in _mesa_test_proxy_teximage");
1110 * Helper function to determine whether a target supports compressed textures
1113 target_can_be_compressed(GLcontext
*ctx
, GLenum target
)
1115 return (((target
== GL_TEXTURE_2D
|| target
== GL_PROXY_TEXTURE_2D
))
1116 || ((ctx
->Extensions
.ARB_texture_cube_map
&&
1117 (target
== GL_PROXY_TEXTURE_CUBE_MAP
||
1118 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X
&&
1119 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
))))
1120 || ((ctx
->Extensions
.MESA_texture_array
&&
1121 ((target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
) ||
1122 (target
== GL_TEXTURE_2D_ARRAY_EXT
)))));
1127 * Test the glTexImage[123]D() parameters for errors.
1129 * \param ctx GL context.
1130 * \param target texture target given by the user.
1131 * \param level image level given by the user.
1132 * \param internalFormat internal format given by the user.
1133 * \param format pixel data format given by the user.
1134 * \param type pixel data type given by the user.
1135 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1136 * \param width image width given by the user.
1137 * \param height image height given by the user.
1138 * \param depth image depth given by the user.
1139 * \param border image border given by the user.
1141 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1143 * Verifies each of the parameters against the constants specified in
1144 * __GLcontextRec::Const and the supported extensions, and according to the
1145 * OpenGL specification.
1148 texture_error_check( GLcontext
*ctx
, GLenum target
,
1149 GLint level
, GLint internalFormat
,
1150 GLenum format
, GLenum type
,
1152 GLint width
, GLint height
,
1153 GLint depth
, GLint border
)
1155 const GLboolean isProxy
= _mesa_is_proxy_texture(target
);
1156 GLboolean sizeOK
= GL_TRUE
;
1157 GLboolean colorFormat
, indexFormat
;
1158 GLenum proxy_target
;
1160 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1161 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1163 _mesa_error(ctx
, GL_INVALID_VALUE
,
1164 "glTexImage%dD(level=%d)", dimensions
, level
);
1170 if (border
< 0 || border
> 1 ||
1171 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1172 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1174 _mesa_error(ctx
, GL_INVALID_VALUE
,
1175 "glTexImage%dD(border=%d)", dimensions
, border
);
1180 if (width
< 0 || height
< 0 || depth
< 0) {
1182 _mesa_error(ctx
, GL_INVALID_VALUE
,
1183 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1188 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1189 * level, width, height and depth.
1191 if (dimensions
== 1) {
1192 if (target
== GL_PROXY_TEXTURE_1D
|| target
== GL_TEXTURE_1D
) {
1193 proxy_target
= GL_PROXY_TEXTURE_1D
;
1198 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
1202 else if (dimensions
== 2) {
1204 if (target
== GL_PROXY_TEXTURE_2D
|| target
== GL_TEXTURE_2D
) {
1205 proxy_target
= GL_PROXY_TEXTURE_2D
;
1207 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
1208 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1209 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
1210 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1211 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1214 proxy_target
= GL_PROXY_TEXTURE_CUBE_MAP_ARB
;
1215 sizeOK
= (width
== height
);
1217 else if (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
1218 target
== GL_TEXTURE_RECTANGLE_NV
) {
1219 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1220 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1223 proxy_target
= GL_PROXY_TEXTURE_RECTANGLE_NV
;
1225 else if (target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
1226 target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1227 proxy_target
= GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
1230 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1234 else if (dimensions
== 3) {
1235 if (target
== GL_PROXY_TEXTURE_3D
|| target
== GL_TEXTURE_3D
) {
1236 proxy_target
= GL_PROXY_TEXTURE_3D
;
1238 else if (target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
||
1239 target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1240 proxy_target
= GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
1243 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
1248 _mesa_problem( ctx
, "bad dims in texture_error_check" );
1252 sizeOK
= sizeOK
&& ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target
, level
,
1253 internalFormat
, format
,
1254 type
, width
, height
,
1258 _mesa_error(ctx
, GL_INVALID_VALUE
,
1259 "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
1260 dimensions
, level
, width
, height
, depth
);
1265 /* Check internalFormat */
1266 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1268 _mesa_error(ctx
, GL_INVALID_VALUE
,
1269 "glTexImage%dD(internalFormat=%s)",
1270 dimensions
, _mesa_lookup_enum_by_nr(internalFormat
));
1275 /* Check incoming image format and type */
1276 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1277 /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
1278 * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
1281 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1282 "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
1283 dimensions
, format
, type
);
1288 /* make sure internal format and format basically agree */
1289 colorFormat
= _mesa_is_color_format(format
);
1290 indexFormat
= _mesa_is_index_format(format
);
1291 if ((_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
) ||
1292 (_mesa_is_index_format(internalFormat
) && !indexFormat
) ||
1293 (_mesa_is_depth_format(internalFormat
) != _mesa_is_depth_format(format
)) ||
1294 (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
)) ||
1295 (_mesa_is_depthstencil_format(internalFormat
) != _mesa_is_depthstencil_format(format
)) ||
1296 (_mesa_is_dudv_format(internalFormat
) != _mesa_is_dudv_format(format
))) {
1298 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1299 "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
1300 dimensions
, internalFormat
, format
);
1304 /* additional checks for ycbcr textures */
1305 if (internalFormat
== GL_YCBCR_MESA
) {
1306 ASSERT(ctx
->Extensions
.MESA_ycbcr_texture
);
1307 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1308 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1310 _mesa_sprintf(message
,
1311 "glTexImage%d(format/type YCBCR mismatch", dimensions
);
1312 _mesa_error(ctx
, GL_INVALID_ENUM
, message
);
1313 return GL_TRUE
; /* error */
1315 if (target
!= GL_TEXTURE_2D
&&
1316 target
!= GL_PROXY_TEXTURE_2D
&&
1317 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1318 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1320 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage(target)");
1326 _mesa_sprintf(message
,
1327 "glTexImage%d(format=GL_YCBCR_MESA and border=%d)",
1328 dimensions
, border
);
1329 _mesa_error(ctx
, GL_INVALID_VALUE
, message
);
1335 /* additional checks for depth textures */
1336 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
) {
1337 /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
1338 if (target
!= GL_TEXTURE_1D
&&
1339 target
!= GL_PROXY_TEXTURE_1D
&&
1340 target
!= GL_TEXTURE_2D
&&
1341 target
!= GL_PROXY_TEXTURE_2D
&&
1342 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1343 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
) {
1345 _mesa_error(ctx
, GL_INVALID_ENUM
,
1346 "glTexImage(target/internalFormat)");
1351 /* additional checks for compressed textures */
1352 if (is_compressed_format(ctx
, internalFormat
)) {
1353 if (!target_can_be_compressed(ctx
, target
) && !isProxy
) {
1354 _mesa_error(ctx
, GL_INVALID_ENUM
,
1355 "glTexImage%d(target)", dimensions
);
1360 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1361 "glTexImage%D(border!=0)", dimensions
);
1367 /* if we get here, the parameters are OK */
1373 * Test glTexSubImage[123]D() parameters for errors.
1375 * \param ctx GL context.
1376 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1377 * \param target texture target given by the user.
1378 * \param level image level given by the user.
1379 * \param xoffset sub-image x offset given by the user.
1380 * \param yoffset sub-image y offset given by the user.
1381 * \param zoffset sub-image z offset given by the user.
1382 * \param format pixel data format given by the user.
1383 * \param type pixel data type given by the user.
1384 * \param width image width given by the user.
1385 * \param height image height given by the user.
1386 * \param depth image depth given by the user.
1388 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1390 * Verifies each of the parameters against the constants specified in
1391 * __GLcontextRec::Const and the supported extensions, and according to the
1392 * OpenGL specification.
1395 subtexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1396 GLenum target
, GLint level
,
1397 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1398 GLint width
, GLint height
, GLint depth
,
1399 GLenum format
, GLenum type
)
1402 if (dimensions
== 1) {
1403 if (target
!= GL_TEXTURE_1D
) {
1404 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage1D(target)" );
1408 else if (dimensions
== 2) {
1409 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1410 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1411 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1412 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1416 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1417 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1418 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1422 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1423 if (!ctx
->Extensions
.MESA_texture_array
) {
1424 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1428 else if (target
!= GL_TEXTURE_2D
) {
1429 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1433 else if (dimensions
== 3) {
1434 if (target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1435 if (!ctx
->Extensions
.MESA_texture_array
) {
1436 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1440 else if (target
!= GL_TEXTURE_3D
) {
1441 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1446 _mesa_problem( ctx
, "invalid dims in texture_error_check" );
1450 /* Basic level check */
1451 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1452 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(level=%d)", level
);
1457 _mesa_error(ctx
, GL_INVALID_VALUE
,
1458 "glTexSubImage%dD(width=%d)", dimensions
, width
);
1461 if (height
< 0 && dimensions
> 1) {
1462 _mesa_error(ctx
, GL_INVALID_VALUE
,
1463 "glTexSubImage%dD(height=%d)", dimensions
, height
);
1466 if (depth
< 0 && dimensions
> 2) {
1467 _mesa_error(ctx
, GL_INVALID_VALUE
,
1468 "glTexSubImage%dD(depth=%d)", dimensions
, depth
);
1472 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1473 _mesa_error(ctx
, GL_INVALID_ENUM
,
1474 "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
1475 dimensions
, format
, type
);
1484 * Do second part of glTexSubImage which depends on the destination texture.
1485 * \return GL_TRUE if error recorded, GL_FALSE otherwise
1488 subtexture_error_check2( GLcontext
*ctx
, GLuint dimensions
,
1489 GLenum target
, GLint level
,
1490 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1491 GLint width
, GLint height
, GLint depth
,
1492 GLenum format
, GLenum type
,
1493 const struct gl_texture_image
*destTex
)
1496 /* undefined image level */
1497 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexSubImage%dD", dimensions
);
1501 if (xoffset
< -((GLint
)destTex
->Border
)) {
1502 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset)",
1506 if (xoffset
+ width
> (GLint
) (destTex
->Width
+ destTex
->Border
)) {
1507 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset+width)",
1511 if (dimensions
> 1) {
1512 if (yoffset
< -((GLint
)destTex
->Border
)) {
1513 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset)",
1517 if (yoffset
+ height
> (GLint
) (destTex
->Height
+ destTex
->Border
)) {
1518 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset+height)",
1523 if (dimensions
> 2) {
1524 if (zoffset
< -((GLint
)destTex
->Border
)) {
1525 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset)");
1528 if (zoffset
+ depth
> (GLint
) (destTex
->Depth
+ destTex
->Border
)) {
1529 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset+depth)");
1534 if (_mesa_is_format_compressed(destTex
->TexFormat
)) {
1537 if (!target_can_be_compressed(ctx
, target
)) {
1538 _mesa_error(ctx
, GL_INVALID_ENUM
,
1539 "glTexSubImage%D(target=%s)", dimensions
,
1540 _mesa_lookup_enum_by_nr(target
));
1544 /* do tests which depend on compression block size */
1545 _mesa_get_format_block_size(destTex
->TexFormat
, &bw
, &bh
);
1547 /* offset must be multiple of block size */
1548 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0)) {
1549 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1550 "glTexSubImage%D(xoffset = %d, yoffset = %d)",
1551 dimensions
, xoffset
, yoffset
);
1554 /* size must be multiple of bw by bh or equal to whole texture size */
1555 if ((width
% bw
!= 0) && (GLuint
) width
!= destTex
->Width
) {
1556 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1557 "glTexSubImage%D(width = %d)", dimensions
, width
);
1560 if ((height
% bh
!= 0) && (GLuint
) height
!= destTex
->Height
) {
1561 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1562 "glTexSubImage%D(height = %d)", dimensions
, height
);
1572 * Test glCopyTexImage[12]D() parameters for errors.
1574 * \param ctx GL context.
1575 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1576 * \param target texture target given by the user.
1577 * \param level image level given by the user.
1578 * \param internalFormat internal format given by the user.
1579 * \param width image width given by the user.
1580 * \param height image height given by the user.
1581 * \param border texture border.
1583 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1585 * Verifies each of the parameters against the constants specified in
1586 * __GLcontextRec::Const and the supported extensions, and according to the
1587 * OpenGL specification.
1590 copytexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1591 GLenum target
, GLint level
, GLint internalFormat
,
1592 GLint width
, GLint height
, GLint border
)
1598 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1599 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1600 _mesa_error(ctx
, GL_INVALID_VALUE
,
1601 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
1605 /* Check that the source buffer is complete */
1606 if (ctx
->ReadBuffer
->Name
) {
1607 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1608 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1609 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1610 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1616 if (border
< 0 || border
> 1 ||
1617 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1618 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1622 format
= _mesa_base_tex_format(ctx
, internalFormat
);
1624 _mesa_error(ctx
, GL_INVALID_VALUE
,
1625 "glCopyTexImage%dD(internalFormat)", dimensions
);
1629 if (!_mesa_source_buffer_exists(ctx
, format
)) {
1630 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1631 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
1635 /* NOTE: the format and type aren't really significant for
1636 * TestProxyTexImage(). Only the internalformat really matters.
1640 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1641 * level, width, height and depth.
1643 if (dimensions
== 1) {
1644 if (target
== GL_TEXTURE_1D
) {
1645 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_1D
,
1646 level
, internalFormat
,
1648 width
, 1, 1, border
);
1651 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage1D(target)" );
1655 else if (dimensions
== 2) {
1656 if (target
== GL_TEXTURE_2D
) {
1657 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_2D
,
1658 level
, internalFormat
,
1660 width
, height
, 1, border
);
1662 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1663 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1664 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1665 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1668 sizeOK
= (width
== height
) &&
1669 ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_CUBE_MAP_ARB
,
1670 level
, internalFormat
, format
, type
,
1671 width
, height
, 1, border
);
1673 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1674 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1675 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1678 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1679 GL_PROXY_TEXTURE_RECTANGLE_NV
,
1680 level
, internalFormat
,
1682 width
, height
, 1, border
);
1684 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1685 if (!ctx
->Extensions
.MESA_texture_array
) {
1686 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)");
1689 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1690 GL_PROXY_TEXTURE_1D_ARRAY_EXT
,
1691 level
, internalFormat
,
1693 width
, height
, 1, border
);
1696 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1701 _mesa_problem(ctx
, "invalid dimensions in copytexture_error_check");
1706 if (dimensions
== 1) {
1707 _mesa_error(ctx
, GL_INVALID_VALUE
,
1708 "glCopyTexImage1D(width=%d)", width
);
1711 ASSERT(dimensions
== 2);
1712 _mesa_error(ctx
, GL_INVALID_VALUE
,
1713 "glCopyTexImage2D(width=%d, height=%d)", width
, height
);
1718 if (is_compressed_format(ctx
, internalFormat
)) {
1719 if (!target_can_be_compressed(ctx
, target
)) {
1720 _mesa_error(ctx
, GL_INVALID_ENUM
,
1721 "glCopyTexImage%d(target)", dimensions
);
1725 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1726 "glCopyTexImage%D(border!=0)", dimensions
);
1730 else if (_mesa_is_depth_format(internalFormat
)) {
1731 /* make sure we have depth/stencil buffers */
1732 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
1733 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1734 "glCopyTexImage%D(no depth)", dimensions
);
1738 else if (_mesa_is_depthstencil_format(internalFormat
)) {
1739 /* make sure we have depth/stencil buffers */
1740 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
1741 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1742 "glCopyTexImage%D(no depth/stencil buffer)", dimensions
);
1747 /* if we get here, the parameters are OK */
1753 * Test glCopyTexSubImage[12]D() parameters for errors.
1754 * Note that this is the first part of error checking.
1755 * See also copytexsubimage_error_check2() below for the second part.
1757 * \param ctx GL context.
1758 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1759 * \param target texture target given by the user.
1760 * \param level image level given by the user.
1762 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1765 copytexsubimage_error_check1( GLcontext
*ctx
, GLuint dimensions
,
1766 GLenum target
, GLint level
)
1768 /* Check that the source buffer is complete */
1769 if (ctx
->ReadBuffer
->Name
) {
1770 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1771 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1772 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1773 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1779 if (dimensions
== 1) {
1780 if (target
!= GL_TEXTURE_1D
) {
1781 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage1D(target)" );
1785 else if (dimensions
== 2) {
1786 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1787 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1788 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1789 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1793 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1794 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1795 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1799 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1800 if (!ctx
->Extensions
.MESA_texture_array
) {
1801 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1805 else if (target
!= GL_TEXTURE_2D
) {
1806 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1810 else if (dimensions
== 3) {
1811 if (((target
!= GL_TEXTURE_2D_ARRAY_EXT
) ||
1812 (!ctx
->Extensions
.MESA_texture_array
))
1813 && (target
!= GL_TEXTURE_3D
)) {
1814 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage3D(target)" );
1820 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1821 _mesa_error(ctx
, GL_INVALID_VALUE
,
1822 "glCopyTexSubImage%dD(level=%d)", dimensions
, level
);
1831 * Second part of error checking for glCopyTexSubImage[12]D().
1832 * \param xoffset sub-image x offset given by the user.
1833 * \param yoffset sub-image y offset given by the user.
1834 * \param zoffset sub-image z offset given by the user.
1835 * \param width image width given by the user.
1836 * \param height image height given by the user.
1839 copytexsubimage_error_check2( GLcontext
*ctx
, GLuint dimensions
,
1840 GLenum target
, GLint level
,
1841 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1842 GLsizei width
, GLsizei height
,
1843 const struct gl_texture_image
*teximage
)
1845 /* check that dest tex image exists */
1847 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1848 "glCopyTexSubImage%dD(undefined texture level: %d)",
1855 _mesa_error(ctx
, GL_INVALID_VALUE
,
1856 "glCopyTexSubImage%dD(width=%d)", dimensions
, width
);
1859 if (dimensions
> 1 && height
< 0) {
1860 _mesa_error(ctx
, GL_INVALID_VALUE
,
1861 "glCopyTexSubImage%dD(height=%d)", dimensions
, height
);
1865 /* check x/y offsets */
1866 if (xoffset
< -((GLint
)teximage
->Border
)) {
1867 _mesa_error(ctx
, GL_INVALID_VALUE
,
1868 "glCopyTexSubImage%dD(xoffset=%d)", dimensions
, xoffset
);
1871 if (xoffset
+ width
> (GLint
) (teximage
->Width
+ teximage
->Border
)) {
1872 _mesa_error(ctx
, GL_INVALID_VALUE
,
1873 "glCopyTexSubImage%dD(xoffset+width)", dimensions
);
1876 if (dimensions
> 1) {
1877 if (yoffset
< -((GLint
)teximage
->Border
)) {
1878 _mesa_error(ctx
, GL_INVALID_VALUE
,
1879 "glCopyTexSubImage%dD(yoffset=%d)", dimensions
, yoffset
);
1882 /* NOTE: we're adding the border here, not subtracting! */
1883 if (yoffset
+ height
> (GLint
) (teximage
->Height
+ teximage
->Border
)) {
1884 _mesa_error(ctx
, GL_INVALID_VALUE
,
1885 "glCopyTexSubImage%dD(yoffset+height)", dimensions
);
1890 /* check z offset */
1891 if (dimensions
> 2) {
1892 if (zoffset
< -((GLint
)teximage
->Border
)) {
1893 _mesa_error(ctx
, GL_INVALID_VALUE
,
1894 "glCopyTexSubImage%dD(zoffset)", dimensions
);
1897 if (zoffset
> (GLint
) (teximage
->Depth
+ teximage
->Border
)) {
1898 _mesa_error(ctx
, GL_INVALID_VALUE
,
1899 "glCopyTexSubImage%dD(zoffset+depth)", dimensions
);
1904 if (_mesa_is_format_compressed(teximage
->TexFormat
)) {
1905 if (!target_can_be_compressed(ctx
, target
)) {
1906 _mesa_error(ctx
, GL_INVALID_ENUM
,
1907 "glCopyTexSubImage%d(target)", dimensions
);
1910 /* offset must be multiple of 4 */
1911 if ((xoffset
& 3) || (yoffset
& 3)) {
1912 _mesa_error(ctx
, GL_INVALID_VALUE
,
1913 "glCopyTexSubImage%D(xoffset or yoffset)", dimensions
);
1916 /* size must be multiple of 4 */
1917 if ((width
& 3) != 0 && (GLuint
) width
!= teximage
->Width
) {
1918 _mesa_error(ctx
, GL_INVALID_VALUE
,
1919 "glCopyTexSubImage%D(width)", dimensions
);
1922 if ((height
& 3) != 0 && (GLuint
) height
!= teximage
->Height
) {
1923 _mesa_error(ctx
, GL_INVALID_VALUE
,
1924 "glCopyTexSubImage%D(height)", dimensions
);
1929 if (teximage
->InternalFormat
== GL_YCBCR_MESA
) {
1930 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glCopyTexSubImage2D");
1934 if (!_mesa_source_buffer_exists(ctx
, teximage
->_BaseFormat
)) {
1935 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1936 "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
1937 dimensions
, teximage
->_BaseFormat
);
1941 if (teximage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
1942 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
1943 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1944 "glCopyTexSubImage%D(no depth buffer)",
1949 else if (teximage
->_BaseFormat
== GL_DEPTH_STENCIL_EXT
) {
1950 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
1951 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1952 "glCopyTexSubImage%D(no depth/stencil buffer)",
1958 /* if we get here, the parameters are OK */
1963 /** Callback info for walking over FBO hash table */
1967 struct gl_texture_object
*texObj
;
1973 * Check render to texture callback. Called from _mesa_HashWalk().
1976 check_rtt_cb(GLuint key
, void *data
, void *userData
)
1978 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
1979 const struct cb_info
*info
= (struct cb_info
*) userData
;
1980 GLcontext
*ctx
= info
->ctx
;
1981 const struct gl_texture_object
*texObj
= info
->texObj
;
1982 const GLuint level
= info
->level
, face
= info
->face
;
1984 /* If this is a user-created FBO */
1987 /* check if any of the FBO's attachments point to 'texObj' */
1988 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1989 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1990 if (att
->Type
== GL_TEXTURE
&&
1991 att
->Texture
== texObj
&&
1992 att
->TextureLevel
== level
&&
1993 att
->CubeMapFace
== face
) {
1994 ASSERT(att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
]);
1995 /* Tell driver about the new renderbuffer texture */
1996 ctx
->Driver
.RenderTexture(ctx
, ctx
->DrawBuffer
, att
);
1997 /* Mark fb status as indeterminate to force re-validation */
2006 * When a texture image is specified we have to check if it's bound to
2007 * any framebuffer objects (render to texture) in order to detect changes
2008 * in size or format since that effects FBO completeness.
2009 * Any FBOs rendering into the texture must be re-validated.
2012 update_fbo_texture(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
2013 GLuint face
, GLuint level
)
2015 /* Only check this texture if it's been marked as RenderToTexture */
2016 if (texObj
->_RenderToTexture
) {
2017 struct cb_info info
;
2019 info
.texObj
= texObj
;
2022 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2028 * If the texture object's GenerateMipmap flag is set and we've
2029 * changed the texture base level image, regenerate the rest of the
2030 * mipmap levels now.
2033 check_gen_mipmap(GLcontext
*ctx
, GLenum target
,
2034 struct gl_texture_object
*texObj
, GLint level
)
2036 ASSERT(target
!= GL_TEXTURE_CUBE_MAP
);
2037 if (texObj
->GenerateMipmap
&&
2038 level
== texObj
->BaseLevel
&&
2039 level
< texObj
->MaxLevel
) {
2040 ASSERT(ctx
->Driver
.GenerateMipmap
);
2041 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2046 /** Debug helper: override the user-requested internal format */
2048 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2051 if (internalFormat
== GL_RGBA16F_ARB
||
2052 internalFormat
== GL_RGBA32F_ARB
) {
2053 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2056 else if (internalFormat
== GL_RGB16F_ARB
||
2057 internalFormat
== GL_RGB32F_ARB
) {
2058 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2061 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2062 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2063 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2064 return GL_LUMINANCE_ALPHA
;
2066 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2067 internalFormat
== GL_LUMINANCE32F_ARB
) {
2068 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2069 return GL_LUMINANCE
;
2071 else if (internalFormat
== GL_ALPHA16F_ARB
||
2072 internalFormat
== GL_ALPHA32F_ARB
) {
2073 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2077 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2078 internalFormat = GL_RGBA;
2082 return internalFormat
;
2085 return internalFormat
;
2091 * Called from the API. Note that width includes the border.
2094 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
2095 GLsizei width
, GLint border
, GLenum format
,
2096 GLenum type
, const GLvoid
*pixels
)
2098 GLsizei postConvWidth
= width
;
2099 GET_CURRENT_CONTEXT(ctx
);
2100 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2102 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2103 _mesa_debug(ctx
, "glTexImage1D %s %d %s %d %d %s %s %p\n",
2104 _mesa_lookup_enum_by_nr(target
), level
,
2105 _mesa_lookup_enum_by_nr(internalFormat
), width
, border
,
2106 _mesa_lookup_enum_by_nr(format
),
2107 _mesa_lookup_enum_by_nr(type
), pixels
);
2109 internalFormat
= override_internal_format(internalFormat
, width
, 1);
2111 #if FEATURE_convolve
2112 if (_mesa_is_color_format(internalFormat
)) {
2113 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2117 if (target
== GL_TEXTURE_1D
) {
2118 /* non-proxy target */
2119 struct gl_texture_object
*texObj
;
2120 struct gl_texture_image
*texImage
;
2121 const GLuint face
= _mesa_tex_target_to_face(target
);
2123 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2124 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2125 return; /* error was recorded */
2128 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2129 _mesa_update_state(ctx
);
2131 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2132 _mesa_lock_texture(ctx
, texObj
);
2134 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2136 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage1D");
2139 if (texImage
->Data
) {
2140 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2143 ASSERT(texImage
->Data
== NULL
);
2145 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2146 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2147 postConvWidth
, 1, 1,
2148 border
, internalFormat
);
2150 /* Choose actual texture format */
2151 texImage
->TexFormat
=
2152 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
2154 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
2156 /* Give the texture to the driver. <pixels> may be null. */
2157 ASSERT(ctx
->Driver
.TexImage1D
);
2158 ctx
->Driver
.TexImage1D(ctx
, target
, level
, internalFormat
,
2159 width
, border
, format
, type
, pixels
,
2160 &ctx
->Unpack
, texObj
, texImage
);
2162 ASSERT(texImage
->TexFormat
);
2164 _mesa_set_fetch_functions(texImage
, 1);
2166 check_gen_mipmap(ctx
, target
, texObj
, level
);
2168 update_fbo_texture(ctx
, texObj
, face
, level
);
2171 texObj
->_Complete
= GL_FALSE
;
2172 ctx
->NewState
|= _NEW_TEXTURE
;
2175 _mesa_unlock_texture(ctx
, texObj
);
2177 else if (target
== GL_PROXY_TEXTURE_1D
) {
2178 /* Proxy texture: check for errors and update proxy state */
2179 struct gl_texture_image
*texImage
;
2180 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2181 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2182 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2183 /* when error, clear all proxy texture image parameters */
2185 clear_teximage_fields(texImage
);
2188 /* no error, set the tex image parameters */
2190 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2191 postConvWidth
, 1, 1,
2192 border
, internalFormat
);
2193 texImage
->TexFormat
=
2194 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
, format
, type
);
2198 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
2205 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
2206 GLsizei width
, GLsizei height
, GLint border
,
2207 GLenum format
, GLenum type
,
2208 const GLvoid
*pixels
)
2210 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2211 GET_CURRENT_CONTEXT(ctx
);
2212 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2214 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2215 _mesa_debug(ctx
, "glTexImage2D %s %d %s %d %d %d %s %s %p\n",
2216 _mesa_lookup_enum_by_nr(target
), level
,
2217 _mesa_lookup_enum_by_nr(internalFormat
), width
, height
,
2218 border
, _mesa_lookup_enum_by_nr(format
),
2219 _mesa_lookup_enum_by_nr(type
), pixels
);
2221 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2223 #if FEATURE_convolve
2224 if (_mesa_is_color_format(internalFormat
)) {
2225 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2230 if (target
== GL_TEXTURE_2D
||
2231 (ctx
->Extensions
.ARB_texture_cube_map
&&
2232 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
2233 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) ||
2234 (ctx
->Extensions
.NV_texture_rectangle
&&
2235 target
== GL_TEXTURE_RECTANGLE_NV
) ||
2236 (ctx
->Extensions
.MESA_texture_array
&&
2237 target
== GL_TEXTURE_1D_ARRAY_EXT
)) {
2238 /* non-proxy target */
2239 struct gl_texture_object
*texObj
;
2240 struct gl_texture_image
*texImage
;
2241 const GLuint face
= _mesa_tex_target_to_face(target
);
2243 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2244 format
, type
, 2, postConvWidth
, postConvHeight
,
2246 return; /* error was recorded */
2249 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2250 _mesa_update_state(ctx
);
2252 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2253 _mesa_lock_texture(ctx
, texObj
);
2255 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2257 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage2D");
2260 if (texImage
->Data
) {
2261 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2264 ASSERT(texImage
->Data
== NULL
);
2265 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2266 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2267 postConvWidth
, postConvHeight
, 1,
2268 border
, internalFormat
);
2270 /* Choose actual texture format */
2271 texImage
->TexFormat
=
2272 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
2274 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
2276 /* Give the texture to the driver. <pixels> may be null. */
2277 ASSERT(ctx
->Driver
.TexImage2D
);
2278 ctx
->Driver
.TexImage2D(ctx
, target
, level
, internalFormat
,
2279 width
, height
, border
, format
, type
,
2280 pixels
, &ctx
->Unpack
, texObj
, texImage
);
2282 ASSERT(texImage
->TexFormat
);
2284 _mesa_set_fetch_functions(texImage
, 2);
2286 check_gen_mipmap(ctx
, target
, texObj
, level
);
2288 update_fbo_texture(ctx
, texObj
, face
, level
);
2291 texObj
->_Complete
= GL_FALSE
;
2292 ctx
->NewState
|= _NEW_TEXTURE
;
2295 _mesa_unlock_texture(ctx
, texObj
);
2297 else if (target
== GL_PROXY_TEXTURE_2D
||
2298 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
2299 ctx
->Extensions
.ARB_texture_cube_map
) ||
2300 (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
&&
2301 ctx
->Extensions
.NV_texture_rectangle
) ||
2302 (ctx
->Extensions
.MESA_texture_array
&&
2303 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
)) {
2304 /* Proxy texture: check for errors and update proxy state */
2305 struct gl_texture_image
*texImage
;
2306 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2307 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2308 format
, type
, 2, postConvWidth
, postConvHeight
,
2310 /* when error, clear all proxy texture image parameters */
2312 clear_teximage_fields(texImage
);
2315 /* no error, set the tex image parameters */
2316 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2317 postConvWidth
, postConvHeight
, 1,
2318 border
, internalFormat
);
2319 texImage
->TexFormat
=
2320 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
, format
, type
);
2324 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)" );
2331 * Called by the API or display list executor.
2332 * Note that width and height include the border.
2335 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
2336 GLsizei width
, GLsizei height
, GLsizei depth
,
2337 GLint border
, GLenum format
, GLenum type
,
2338 const GLvoid
*pixels
)
2340 GET_CURRENT_CONTEXT(ctx
);
2341 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2343 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2344 _mesa_debug(ctx
, "glTexImage3D %s %d %s %d %d %d %d %s %s %p\n",
2345 _mesa_lookup_enum_by_nr(target
), level
,
2346 _mesa_lookup_enum_by_nr(internalFormat
), width
, height
,
2347 depth
, border
, _mesa_lookup_enum_by_nr(format
),
2348 _mesa_lookup_enum_by_nr(type
), pixels
);
2350 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2352 if (target
== GL_TEXTURE_3D
||
2353 (ctx
->Extensions
.MESA_texture_array
&&
2354 target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
2355 /* non-proxy target */
2356 struct gl_texture_object
*texObj
;
2357 struct gl_texture_image
*texImage
;
2358 const GLuint face
= _mesa_tex_target_to_face(target
);
2360 if (texture_error_check(ctx
, target
, level
, (GLint
) internalFormat
,
2361 format
, type
, 3, width
, height
, depth
, border
)) {
2362 return; /* error was recorded */
2365 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2366 _mesa_update_state(ctx
);
2368 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2369 _mesa_lock_texture(ctx
, texObj
);
2371 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2373 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage3D");
2376 if (texImage
->Data
) {
2377 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2380 ASSERT(texImage
->Data
== NULL
);
2381 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2382 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2383 width
, height
, depth
,
2384 border
, internalFormat
);
2386 /* Choose actual texture format */
2387 texImage
->TexFormat
=
2388 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
2390 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
2392 /* Give the texture to the driver. <pixels> may be null. */
2393 ASSERT(ctx
->Driver
.TexImage3D
);
2394 ctx
->Driver
.TexImage3D(ctx
, target
, level
, internalFormat
,
2395 width
, height
, depth
, border
, format
, type
,
2396 pixels
, &ctx
->Unpack
, texObj
, texImage
);
2398 ASSERT(texImage
->TexFormat
);
2400 _mesa_set_fetch_functions(texImage
, 3);
2402 check_gen_mipmap(ctx
, target
, texObj
, level
);
2404 update_fbo_texture(ctx
, texObj
, face
, level
);
2407 texObj
->_Complete
= GL_FALSE
;
2408 ctx
->NewState
|= _NEW_TEXTURE
;
2411 _mesa_unlock_texture(ctx
, texObj
);
2413 else if (target
== GL_PROXY_TEXTURE_3D
||
2414 (ctx
->Extensions
.MESA_texture_array
&&
2415 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
)) {
2416 /* Proxy texture: check for errors and update proxy state */
2417 struct gl_texture_image
*texImage
;
2418 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2419 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2420 format
, type
, 3, width
, height
, depth
, border
)) {
2421 /* when error, clear all proxy texture image parameters */
2423 clear_teximage_fields(texImage
);
2426 /* no error, set the tex image parameters */
2427 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
2428 depth
, border
, internalFormat
);
2429 texImage
->TexFormat
=
2430 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
, format
, type
);
2434 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
2441 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
2442 GLsizei width
, GLsizei height
, GLsizei depth
,
2443 GLint border
, GLenum format
, GLenum type
,
2444 const GLvoid
*pixels
)
2446 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
2447 depth
, border
, format
, type
, pixels
);
2453 _mesa_TexSubImage1D( GLenum target
, GLint level
,
2454 GLint xoffset
, GLsizei width
,
2455 GLenum format
, GLenum type
,
2456 const GLvoid
*pixels
)
2458 GLsizei postConvWidth
= width
;
2459 struct gl_texture_object
*texObj
;
2460 struct gl_texture_image
*texImage
;
2461 GET_CURRENT_CONTEXT(ctx
);
2462 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2464 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2465 _mesa_debug(ctx
, "glTexSubImage1D %s %d %d %d %s %s %p\n",
2466 _mesa_lookup_enum_by_nr(target
), level
,
2467 xoffset
, width
, _mesa_lookup_enum_by_nr(format
),
2468 _mesa_lookup_enum_by_nr(type
), pixels
);
2470 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2471 _mesa_update_state(ctx
);
2473 #if FEATURE_convolve
2474 /* XXX should test internal format */
2475 if (_mesa_is_color_format(format
)) {
2476 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2480 if (subtexture_error_check(ctx
, 1, target
, level
, xoffset
, 0, 0,
2481 postConvWidth
, 1, 1, format
, type
)) {
2482 return; /* error was detected */
2486 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2489 _mesa_lock_texture(ctx
, texObj
);
2491 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2493 if (subtexture_error_check2(ctx
, 1, target
, level
, xoffset
, 0, 0,
2494 postConvWidth
, 1, 1,
2495 format
, type
, texImage
)) {
2496 /* error was recorded */
2498 else if (width
> 0) {
2499 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2500 xoffset
+= texImage
->Border
;
2502 ASSERT(ctx
->Driver
.TexSubImage1D
);
2503 ctx
->Driver
.TexSubImage1D(ctx
, target
, level
, xoffset
, width
,
2504 format
, type
, pixels
, &ctx
->Unpack
,
2507 check_gen_mipmap(ctx
, target
, texObj
, level
);
2509 ctx
->NewState
|= _NEW_TEXTURE
;
2512 _mesa_unlock_texture(ctx
, texObj
);
2517 _mesa_TexSubImage2D( GLenum target
, GLint level
,
2518 GLint xoffset
, GLint yoffset
,
2519 GLsizei width
, GLsizei height
,
2520 GLenum format
, GLenum type
,
2521 const GLvoid
*pixels
)
2523 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2524 struct gl_texture_object
*texObj
;
2525 struct gl_texture_image
*texImage
;
2526 GET_CURRENT_CONTEXT(ctx
);
2527 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2529 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2530 _mesa_debug(ctx
, "glTexSubImage2D %s %d %d %d %d %d %s %s %p\n",
2531 _mesa_lookup_enum_by_nr(target
), level
,
2532 xoffset
, yoffset
, width
, height
,
2533 _mesa_lookup_enum_by_nr(format
),
2534 _mesa_lookup_enum_by_nr(type
), pixels
);
2536 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2537 _mesa_update_state(ctx
);
2539 #if FEATURE_convolve
2540 /* XXX should test internal format */
2541 if (_mesa_is_color_format(format
)) {
2542 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2547 if (subtexture_error_check(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
2548 postConvWidth
, postConvHeight
, 1, format
, type
)) {
2549 return; /* error was detected */
2552 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2554 _mesa_lock_texture(ctx
, texObj
);
2556 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2558 if (subtexture_error_check2(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
2559 postConvWidth
, postConvHeight
, 1,
2560 format
, type
, texImage
)) {
2561 /* error was recorded */
2563 else if (width
> 0 && height
>= 0) {
2564 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2565 xoffset
+= texImage
->Border
;
2566 yoffset
+= texImage
->Border
;
2568 ASSERT(ctx
->Driver
.TexSubImage2D
);
2569 ctx
->Driver
.TexSubImage2D(ctx
, target
, level
, xoffset
, yoffset
,
2570 width
, height
, format
, type
, pixels
,
2571 &ctx
->Unpack
, texObj
, texImage
);
2573 check_gen_mipmap(ctx
, target
, texObj
, level
);
2575 ctx
->NewState
|= _NEW_TEXTURE
;
2578 _mesa_unlock_texture(ctx
, texObj
);
2584 _mesa_TexSubImage3D( GLenum target
, GLint level
,
2585 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2586 GLsizei width
, GLsizei height
, GLsizei depth
,
2587 GLenum format
, GLenum type
,
2588 const GLvoid
*pixels
)
2590 struct gl_texture_object
*texObj
;
2591 struct gl_texture_image
*texImage
;
2592 GET_CURRENT_CONTEXT(ctx
);
2593 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2595 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2596 _mesa_debug(ctx
, "glTexSubImage3D %s %d %d %d %d %d %d %d %s %s %p\n",
2597 _mesa_lookup_enum_by_nr(target
), level
,
2598 xoffset
, yoffset
, zoffset
, width
, height
, depth
,
2599 _mesa_lookup_enum_by_nr(format
),
2600 _mesa_lookup_enum_by_nr(type
), pixels
);
2602 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2603 _mesa_update_state(ctx
);
2605 if (subtexture_error_check(ctx
, 3, target
, level
, xoffset
, yoffset
, zoffset
,
2606 width
, height
, depth
, format
, type
)) {
2607 return; /* error was detected */
2610 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2612 _mesa_lock_texture(ctx
, texObj
);
2614 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2616 if (subtexture_error_check2(ctx
, 3, target
, level
,
2617 xoffset
, yoffset
, zoffset
,
2618 width
, height
, depth
,
2619 format
, type
, texImage
)) {
2620 /* error was recorded */
2622 else if (width
> 0 && height
> 0 && height
> 0) {
2623 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2624 xoffset
+= texImage
->Border
;
2625 yoffset
+= texImage
->Border
;
2626 zoffset
+= texImage
->Border
;
2628 ASSERT(ctx
->Driver
.TexSubImage3D
);
2629 ctx
->Driver
.TexSubImage3D(ctx
, target
, level
,
2630 xoffset
, yoffset
, zoffset
,
2631 width
, height
, depth
,
2632 format
, type
, pixels
,
2633 &ctx
->Unpack
, texObj
, texImage
);
2635 check_gen_mipmap(ctx
, target
, texObj
, level
);
2637 ctx
->NewState
|= _NEW_TEXTURE
;
2640 _mesa_unlock_texture(ctx
, texObj
);
2646 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
2647 GLenum internalFormat
,
2649 GLsizei width
, GLint border
)
2651 struct gl_texture_object
*texObj
;
2652 struct gl_texture_image
*texImage
;
2653 GLsizei postConvWidth
= width
;
2654 const GLuint face
= _mesa_tex_target_to_face(target
);
2655 GET_CURRENT_CONTEXT(ctx
);
2656 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2658 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2659 _mesa_debug(ctx
, "glCopyTexImage1D %s %d %s %d %d %d %d\n",
2660 _mesa_lookup_enum_by_nr(target
), level
,
2661 _mesa_lookup_enum_by_nr(internalFormat
),
2662 x
, y
, width
, border
);
2664 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2665 _mesa_update_state(ctx
);
2667 #if FEATURE_convolve
2668 if (_mesa_is_color_format(internalFormat
)) {
2669 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2673 if (copytexture_error_check(ctx
, 1, target
, level
, internalFormat
,
2674 postConvWidth
, 1, border
))
2677 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2679 _mesa_lock_texture(ctx
, texObj
);
2681 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2683 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage1D");
2686 if (texImage
->Data
) {
2687 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2690 ASSERT(texImage
->Data
== NULL
);
2692 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2693 _mesa_init_teximage_fields(ctx
, target
, texImage
, postConvWidth
, 1, 1,
2694 border
, internalFormat
);
2696 /* Choose actual texture format */
2697 texImage
->TexFormat
=
2698 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
2700 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
2702 ASSERT(ctx
->Driver
.CopyTexImage1D
);
2703 ctx
->Driver
.CopyTexImage1D(ctx
, target
, level
, internalFormat
,
2704 x
, y
, width
, border
);
2706 ASSERT(texImage
->TexFormat
);
2708 _mesa_set_fetch_functions(texImage
, 1);
2710 check_gen_mipmap(ctx
, target
, texObj
, level
);
2712 update_fbo_texture(ctx
, texObj
, face
, level
);
2715 texObj
->_Complete
= GL_FALSE
;
2716 ctx
->NewState
|= _NEW_TEXTURE
;
2719 _mesa_unlock_texture(ctx
, texObj
);
2725 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
2726 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
2729 struct gl_texture_object
*texObj
;
2730 struct gl_texture_image
*texImage
;
2731 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2732 const GLuint face
= _mesa_tex_target_to_face(target
);
2733 GET_CURRENT_CONTEXT(ctx
);
2734 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2736 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2737 _mesa_debug(ctx
, "glCopyTexImage2D %s %d %s %d %d %d %d %d\n",
2738 _mesa_lookup_enum_by_nr(target
), level
,
2739 _mesa_lookup_enum_by_nr(internalFormat
),
2740 x
, y
, width
, height
, border
);
2742 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2743 _mesa_update_state(ctx
);
2745 #if FEATURE_convolve
2746 if (_mesa_is_color_format(internalFormat
)) {
2747 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2752 if (copytexture_error_check(ctx
, 2, target
, level
, internalFormat
,
2753 postConvWidth
, postConvHeight
, border
))
2756 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2758 _mesa_lock_texture(ctx
, texObj
);
2760 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2763 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage2D");
2766 if (texImage
->Data
) {
2767 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2770 ASSERT(texImage
->Data
== NULL
);
2772 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2773 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2774 postConvWidth
, postConvHeight
, 1,
2775 border
, internalFormat
);
2777 /* Choose actual texture format */
2778 texImage
->TexFormat
=
2779 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
2781 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
2783 ASSERT(ctx
->Driver
.CopyTexImage2D
);
2784 ctx
->Driver
.CopyTexImage2D(ctx
, target
, level
, internalFormat
,
2785 x
, y
, width
, height
, border
);
2787 ASSERT(texImage
->TexFormat
);
2789 _mesa_set_fetch_functions(texImage
, 2);
2791 check_gen_mipmap(ctx
, target
, texObj
, level
);
2793 update_fbo_texture(ctx
, texObj
, face
, level
);
2796 texObj
->_Complete
= GL_FALSE
;
2797 ctx
->NewState
|= _NEW_TEXTURE
;
2800 _mesa_unlock_texture(ctx
, texObj
);
2805 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
2806 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
2808 struct gl_texture_object
*texObj
;
2809 struct gl_texture_image
*texImage
;
2810 GLsizei postConvWidth
= width
;
2814 GET_CURRENT_CONTEXT(ctx
);
2815 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2817 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2818 _mesa_debug(ctx
, "glCopyTexSubImage1D %s %d %d %d %d %d\n",
2819 _mesa_lookup_enum_by_nr(target
),
2820 level
, xoffset
, x
, y
, width
);
2822 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2823 _mesa_update_state(ctx
);
2825 if (copytexsubimage_error_check1(ctx
, 1, target
, level
))
2828 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2830 _mesa_lock_texture(ctx
, texObj
);
2832 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2834 #if FEATURE_convolve
2835 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2836 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2840 if (copytexsubimage_error_check2(ctx
, 1, target
, level
,
2841 xoffset
, 0, 0, postConvWidth
, 1,
2843 /* error was recorded */
2846 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2847 xoffset
+= texImage
->Border
;
2849 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2851 ASSERT(ctx
->Driver
.CopyTexSubImage1D
);
2852 ctx
->Driver
.CopyTexSubImage1D(ctx
, target
, level
,
2853 xoffset
, x
, y
, width
);
2855 check_gen_mipmap(ctx
, target
, texObj
, level
);
2857 ctx
->NewState
|= _NEW_TEXTURE
;
2861 _mesa_unlock_texture(ctx
, texObj
);
2867 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
2868 GLint xoffset
, GLint yoffset
,
2869 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2871 struct gl_texture_object
*texObj
;
2872 struct gl_texture_image
*texImage
;
2873 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2874 GET_CURRENT_CONTEXT(ctx
);
2875 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2877 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2878 _mesa_debug(ctx
, "glCopyTexSubImage2D %s %d %d %d %d %d %d %d\n",
2879 _mesa_lookup_enum_by_nr(target
),
2880 level
, xoffset
, yoffset
, x
, y
, width
, height
);
2882 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2883 _mesa_update_state(ctx
);
2885 if (copytexsubimage_error_check1(ctx
, 2, target
, level
))
2888 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2890 _mesa_lock_texture(ctx
, texObj
);
2892 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2894 #if FEATURE_convolve
2895 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2896 _mesa_adjust_image_for_convolution(ctx
, 2,
2897 &postConvWidth
, &postConvHeight
);
2901 if (copytexsubimage_error_check2(ctx
, 2, target
, level
,
2902 xoffset
, yoffset
, 0,
2903 postConvWidth
, postConvHeight
,
2905 /* error was recorded */
2908 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2909 xoffset
+= texImage
->Border
;
2910 yoffset
+= texImage
->Border
;
2912 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2914 ASSERT(ctx
->Driver
.CopyTexSubImage2D
);
2915 ctx
->Driver
.CopyTexSubImage2D(ctx
, target
, level
, xoffset
, yoffset
,
2916 x
, y
, width
, height
);
2918 check_gen_mipmap(ctx
, target
, texObj
, level
);
2920 ctx
->NewState
|= _NEW_TEXTURE
;
2924 _mesa_unlock_texture(ctx
, texObj
);
2930 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
2931 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2932 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2934 struct gl_texture_object
*texObj
;
2935 struct gl_texture_image
*texImage
;
2936 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2937 GET_CURRENT_CONTEXT(ctx
);
2938 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2940 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2941 _mesa_debug(ctx
, "glCopyTexSubImage3D %s %d %d %d %d %d %d %d %d\n",
2942 _mesa_lookup_enum_by_nr(target
),
2943 level
, xoffset
, yoffset
, zoffset
, x
, y
, width
, height
);
2945 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2946 _mesa_update_state(ctx
);
2948 if (copytexsubimage_error_check1(ctx
, 3, target
, level
))
2951 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2953 _mesa_lock_texture(ctx
, texObj
);
2955 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2957 #if FEATURE_convolve
2958 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2959 _mesa_adjust_image_for_convolution(ctx
, 2,
2960 &postConvWidth
, &postConvHeight
);
2964 if (copytexsubimage_error_check2(ctx
, 3, target
, level
, xoffset
, yoffset
,
2965 zoffset
, postConvWidth
, postConvHeight
,
2967 /* error was recored */
2970 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2971 xoffset
+= texImage
->Border
;
2972 yoffset
+= texImage
->Border
;
2973 zoffset
+= texImage
->Border
;
2975 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2977 ASSERT(ctx
->Driver
.CopyTexSubImage3D
);
2978 ctx
->Driver
.CopyTexSubImage3D(ctx
, target
, level
,
2979 xoffset
, yoffset
, zoffset
,
2980 x
, y
, width
, height
);
2982 check_gen_mipmap(ctx
, target
, texObj
, level
);
2984 ctx
->NewState
|= _NEW_TEXTURE
;
2988 _mesa_unlock_texture(ctx
, texObj
);
2994 /**********************************************************************/
2995 /****** Compressed Textures ******/
2996 /**********************************************************************/
3000 * Return expected size of a compressed texture.
3003 compressed_tex_size(GLsizei width
, GLsizei height
, GLsizei depth
,
3006 gl_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
3007 return _mesa_format_image_size(mesaFormat
, width
, height
, depth
);
3012 * Return compressed texture block size, in pixels.
3015 get_compressed_block_size(GLenum glformat
, GLuint
*bw
, GLuint
*bh
)
3017 gl_format mesaFormat
= _mesa_glenum_to_compressed_format(glformat
);
3018 _mesa_get_format_block_size(mesaFormat
, bw
, bh
);
3023 * Error checking for glCompressedTexImage[123]D().
3024 * \return error code or GL_NO_ERROR.
3027 compressed_texture_error_check(GLcontext
*ctx
, GLint dimensions
,
3028 GLenum target
, GLint level
,
3029 GLenum internalFormat
, GLsizei width
,
3030 GLsizei height
, GLsizei depth
, GLint border
,
3033 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3035 if (dimensions
== 1) {
3036 /* 1D compressed textures not allowed */
3037 return GL_INVALID_ENUM
;
3039 else if (dimensions
== 2) {
3040 if (target
== GL_PROXY_TEXTURE_2D
) {
3041 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3043 else if (target
== GL_TEXTURE_2D
) {
3044 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3046 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3047 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3048 return GL_INVALID_ENUM
; /*target*/
3049 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3051 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3052 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3053 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3054 return GL_INVALID_ENUM
; /*target*/
3055 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3058 return GL_INVALID_ENUM
; /*target*/
3061 else if (dimensions
== 3) {
3062 /* 3D compressed textures not allowed */
3063 return GL_INVALID_ENUM
;
3066 maxTextureSize
= 1 << (maxLevels
- 1);
3068 /* This will detect any invalid internalFormat value */
3069 if (!is_compressed_format(ctx
, internalFormat
))
3070 return GL_INVALID_ENUM
;
3072 /* This should really never fail */
3073 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0)
3074 return GL_INVALID_ENUM
;
3077 return GL_INVALID_VALUE
;
3080 * XXX We should probably use the proxy texture error check function here.
3082 if (width
< 1 || width
> maxTextureSize
||
3083 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(width
)))
3084 return GL_INVALID_VALUE
;
3086 if ((height
< 1 || height
> maxTextureSize
||
3087 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(height
)))
3089 return GL_INVALID_VALUE
;
3091 if ((depth
< 1 || depth
> maxTextureSize
||
3092 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(depth
)))
3094 return GL_INVALID_VALUE
;
3096 /* For cube map, width must equal height */
3097 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3098 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
&& width
!= height
)
3099 return GL_INVALID_VALUE
;
3101 if (level
< 0 || level
>= maxLevels
)
3102 return GL_INVALID_VALUE
;
3104 expectedSize
= compressed_tex_size(width
, height
, depth
, internalFormat
);
3105 if (expectedSize
!= imageSize
)
3106 return GL_INVALID_VALUE
;
3108 #if FEATURE_EXT_texture_sRGB
3109 if ((internalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
3110 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
3111 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
3112 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
)
3114 return GL_INVALID_OPERATION
;
3123 * Error checking for glCompressedTexSubImage[123]D().
3124 * \warning There are some bad assumptions here about the size of compressed
3125 * texture tiles (multiple of 4) used to test the validity of the
3126 * offset and size parameters.
3127 * \return error code or GL_NO_ERROR.
3130 compressed_subtexture_error_check(GLcontext
*ctx
, GLint dimensions
,
3131 GLenum target
, GLint level
,
3132 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3133 GLsizei width
, GLsizei height
, GLsizei depth
,
3134 GLenum format
, GLsizei imageSize
)
3136 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3140 if (dimensions
== 1) {
3141 /* 1D compressed textures not allowed */
3142 return GL_INVALID_ENUM
;
3144 else if (dimensions
== 2) {
3145 if (target
== GL_PROXY_TEXTURE_2D
) {
3146 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3148 else if (target
== GL_TEXTURE_2D
) {
3149 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3151 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3152 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3153 return GL_INVALID_ENUM
; /*target*/
3154 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3156 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3157 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3158 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3159 return GL_INVALID_ENUM
; /*target*/
3160 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3163 return GL_INVALID_ENUM
; /*target*/
3166 else if (dimensions
== 3) {
3167 /* 3D compressed textures not allowed */
3168 return GL_INVALID_ENUM
;
3171 maxTextureSize
= 1 << (maxLevels
- 1);
3173 /* this will catch any invalid compressed format token */
3174 if (!is_compressed_format(ctx
, format
))
3175 return GL_INVALID_ENUM
;
3177 if (width
< 1 || width
> maxTextureSize
)
3178 return GL_INVALID_VALUE
;
3180 if ((height
< 1 || height
> maxTextureSize
)
3182 return GL_INVALID_VALUE
;
3184 if (level
< 0 || level
>= maxLevels
)
3185 return GL_INVALID_VALUE
;
3188 * do checks which depend on compression block size
3190 get_compressed_block_size(format
, &bw
, &bh
);
3192 if ((xoffset
% bw
!= 0) || (yoffset
% bh
!= 0))
3193 return GL_INVALID_VALUE
;
3195 if ((width
% bw
!= 0) && width
!= 2 && width
!= 1)
3196 return GL_INVALID_VALUE
;
3198 if ((height
% bh
!= 0) && height
!= 2 && height
!= 1)
3199 return GL_INVALID_VALUE
;
3201 expectedSize
= compressed_tex_size(width
, height
, depth
, format
);
3202 if (expectedSize
!= imageSize
)
3203 return GL_INVALID_VALUE
;
3210 * Do second part of glCompressedTexSubImage error checking.
3211 * \return GL_TRUE if error found, GL_FALSE otherwise.
3214 compressed_subtexture_error_check2(GLcontext
*ctx
, GLuint dims
,
3215 GLsizei width
, GLsizei height
,
3216 GLsizei depth
, GLenum format
,
3217 struct gl_texture_image
*texImage
)
3220 if ((GLint
) format
!= texImage
->InternalFormat
) {
3221 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3222 "glCompressedTexSubImage%uD(format=0x%x)", dims
, format
);
3226 if (((width
== 1 || width
== 2) &&
3227 (GLuint
) width
!= texImage
->Width
) ||
3228 (width
> texImage
->Width
)) {
3229 _mesa_error(ctx
, GL_INVALID_VALUE
,
3230 "glCompressedTexSubImage%uD(width=%d)", dims
, width
);
3235 if (((height
== 1 || height
== 2) &&
3236 (GLuint
) height
!= texImage
->Height
) ||
3237 (height
> texImage
->Height
)) {
3238 _mesa_error(ctx
, GL_INVALID_VALUE
,
3239 "glCompressedTexSubImage%uD(height=%d)", dims
, height
);
3245 if (((depth
== 1 || depth
== 2) &&
3246 (GLuint
) depth
!= texImage
->Depth
) ||
3247 (depth
> texImage
->Depth
)) {
3248 _mesa_error(ctx
, GL_INVALID_VALUE
,
3249 "glCompressedTexSubImage%uD(depth=%d)", dims
, depth
);
3260 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
3261 GLenum internalFormat
, GLsizei width
,
3262 GLint border
, GLsizei imageSize
,
3265 GET_CURRENT_CONTEXT(ctx
);
3266 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3268 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3269 _mesa_debug(ctx
, "glCompressedTexImage1DARB %s %d %s %d %d %d %p\n",
3270 _mesa_lookup_enum_by_nr(target
), level
,
3271 _mesa_lookup_enum_by_nr(internalFormat
),
3272 width
, border
, imageSize
, data
);
3274 if (target
== GL_TEXTURE_1D
) {
3275 /* non-proxy target */
3276 struct gl_texture_object
*texObj
;
3277 struct gl_texture_image
*texImage
;
3278 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3279 internalFormat
, width
, 1, 1, border
, imageSize
);
3281 _mesa_error(ctx
, error
, "glCompressedTexImage1D");
3285 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3287 _mesa_lock_texture(ctx
, texObj
);
3289 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3291 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage1D");
3294 if (texImage
->Data
) {
3295 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3297 ASSERT(texImage
->Data
== NULL
);
3299 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3300 border
, internalFormat
);
3302 /* Choose actual texture format */
3303 texImage
->TexFormat
=
3304 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
3306 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
3308 ASSERT(ctx
->Driver
.CompressedTexImage1D
);
3309 ctx
->Driver
.CompressedTexImage1D(ctx
, target
, level
,
3310 internalFormat
, width
, border
,
3314 _mesa_set_fetch_functions(texImage
, 1);
3316 check_gen_mipmap(ctx
, target
, texObj
, level
);
3319 texObj
->_Complete
= GL_FALSE
;
3320 ctx
->NewState
|= _NEW_TEXTURE
;
3323 _mesa_unlock_texture(ctx
, texObj
);
3325 else if (target
== GL_PROXY_TEXTURE_1D
) {
3326 /* Proxy texture: check for errors and update proxy state */
3327 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3328 internalFormat
, width
, 1, 1, border
, imageSize
);
3330 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3331 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3332 internalFormat
, GL_NONE
, GL_NONE
,
3333 width
, 1, 1, border
);
3336 /* if error, clear all proxy texture image parameters */
3337 struct gl_texture_image
*texImage
;
3338 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3340 clear_teximage_fields(texImage
);
3343 /* store the teximage parameters */
3344 struct gl_texture_object
*texObj
;
3345 struct gl_texture_image
*texImage
;
3347 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3349 _mesa_lock_texture(ctx
, texObj
);
3351 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3352 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3353 border
, internalFormat
);
3355 _mesa_unlock_texture(ctx
, texObj
);
3359 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage1D(target)");
3366 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
3367 GLenum internalFormat
, GLsizei width
,
3368 GLsizei height
, GLint border
, GLsizei imageSize
,
3371 GET_CURRENT_CONTEXT(ctx
);
3372 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3374 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3375 _mesa_debug(ctx
, "glCompressedTexImage2DARB %s %d %s %d %d %d %d %p\n",
3376 _mesa_lookup_enum_by_nr(target
), level
,
3377 _mesa_lookup_enum_by_nr(internalFormat
),
3378 width
, height
, border
, imageSize
, data
);
3380 if (target
== GL_TEXTURE_2D
||
3381 (ctx
->Extensions
.ARB_texture_cube_map
&&
3382 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3383 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
3384 /* non-proxy target */
3385 struct gl_texture_object
*texObj
;
3386 struct gl_texture_image
*texImage
;
3388 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3389 internalFormat
, width
, height
, 1, border
, imageSize
);
3391 _mesa_error(ctx
, error
, "glCompressedTexImage2D");
3395 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3397 _mesa_lock_texture(ctx
, texObj
);
3399 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3401 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3404 if (texImage
->Data
) {
3405 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3407 ASSERT(texImage
->Data
== NULL
);
3409 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3410 border
, internalFormat
);
3412 /* Choose actual texture format */
3413 texImage
->TexFormat
=
3414 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
3416 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
3418 ASSERT(ctx
->Driver
.CompressedTexImage2D
);
3419 ctx
->Driver
.CompressedTexImage2D(ctx
, target
, level
,
3420 internalFormat
, width
, height
,
3421 border
, imageSize
, data
,
3424 _mesa_set_fetch_functions(texImage
, 2);
3426 check_gen_mipmap(ctx
, target
, texObj
, level
);
3429 texObj
->_Complete
= GL_FALSE
;
3430 ctx
->NewState
|= _NEW_TEXTURE
;
3433 _mesa_unlock_texture(ctx
, texObj
);
3435 else if (target
== GL_PROXY_TEXTURE_2D
||
3436 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
3437 ctx
->Extensions
.ARB_texture_cube_map
)) {
3438 /* Proxy texture: check for errors and update proxy state */
3439 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3440 internalFormat
, width
, height
, 1, border
, imageSize
);
3442 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3443 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3444 internalFormat
, GL_NONE
, GL_NONE
,
3445 width
, height
, 1, border
);
3448 /* if error, clear all proxy texture image parameters */
3449 struct gl_texture_image
*texImage
;
3450 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3452 clear_teximage_fields(texImage
);
3455 /* store the teximage parameters */
3456 struct gl_texture_object
*texObj
;
3457 struct gl_texture_image
*texImage
;
3459 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3461 _mesa_lock_texture(ctx
, texObj
);
3463 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3464 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3465 border
, internalFormat
);
3467 _mesa_unlock_texture(ctx
, texObj
);
3471 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage2D(target)");
3478 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
3479 GLenum internalFormat
, GLsizei width
,
3480 GLsizei height
, GLsizei depth
, GLint border
,
3481 GLsizei imageSize
, const GLvoid
*data
)
3483 GET_CURRENT_CONTEXT(ctx
);
3484 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3486 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
3487 _mesa_debug(ctx
, "glCompressedTexImage3DARB %s %d %s %d %d %d %d %d %p\n",
3488 _mesa_lookup_enum_by_nr(target
), level
,
3489 _mesa_lookup_enum_by_nr(internalFormat
),
3490 width
, height
, depth
, border
, imageSize
, data
);
3492 if (target
== GL_TEXTURE_3D
) {
3493 /* non-proxy target */
3494 struct gl_texture_object
*texObj
;
3495 struct gl_texture_image
*texImage
;
3496 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3497 internalFormat
, width
, height
, depth
, border
, imageSize
);
3499 _mesa_error(ctx
, error
, "glCompressedTexImage3D");
3503 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3505 _mesa_lock_texture(ctx
, texObj
);
3507 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3509 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage3D");
3512 if (texImage
->Data
) {
3513 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3515 ASSERT(texImage
->Data
== NULL
);
3517 _mesa_init_teximage_fields(ctx
, target
, texImage
,
3518 width
, height
, depth
,
3519 border
, internalFormat
);
3521 /* Choose actual texture format */
3522 texImage
->TexFormat
=
3523 ctx
->Driver
.ChooseTextureFormat(ctx
, internalFormat
,
3525 ASSERT(texImage
->TexFormat
!= MESA_FORMAT_NONE
);
3527 ASSERT(ctx
->Driver
.CompressedTexImage3D
);
3528 ctx
->Driver
.CompressedTexImage3D(ctx
, target
, level
,
3530 width
, height
, depth
,
3531 border
, imageSize
, data
,
3534 _mesa_set_fetch_functions(texImage
, 3);
3536 check_gen_mipmap(ctx
, target
, texObj
, level
);
3539 texObj
->_Complete
= GL_FALSE
;
3540 ctx
->NewState
|= _NEW_TEXTURE
;
3543 _mesa_unlock_texture(ctx
, texObj
);
3545 else if (target
== GL_PROXY_TEXTURE_3D
) {
3546 /* Proxy texture: check for errors and update proxy state */
3547 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3548 internalFormat
, width
, height
, depth
, border
, imageSize
);
3550 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3551 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3552 internalFormat
, GL_NONE
, GL_NONE
,
3553 width
, height
, depth
, border
);
3556 /* if error, clear all proxy texture image parameters */
3557 struct gl_texture_image
*texImage
;
3558 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3560 clear_teximage_fields(texImage
);
3563 /* store the teximage parameters */
3564 struct gl_texture_object
*texObj
;
3565 struct gl_texture_image
*texImage
;
3567 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3569 _mesa_lock_texture(ctx
, texObj
);
3571 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3572 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
3573 depth
, border
, internalFormat
);
3575 _mesa_unlock_texture(ctx
, texObj
);
3579 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage3D(target)");
3586 * Common helper for glCompressedTexSubImage1/2/3D().
3589 compressed_tex_sub_image(GLuint dims
, GLenum target
, GLint level
,
3590 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3591 GLsizei width
, GLsizei height
, GLsizei depth
,
3592 GLenum format
, GLsizei imageSize
, const GLvoid
*data
)
3594 struct gl_texture_object
*texObj
;
3595 struct gl_texture_image
*texImage
;
3597 GET_CURRENT_CONTEXT(ctx
);
3598 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3600 error
= compressed_subtexture_error_check(ctx
, dims
, target
, level
,
3601 xoffset
, 0, 0, /* pos */
3602 width
, height
, depth
, /* size */
3605 _mesa_error(ctx
, error
, "glCompressedTexSubImage%uD", dims
);
3609 texObj
= _mesa_get_current_tex_object(ctx
, target
);
3611 _mesa_lock_texture(ctx
, texObj
);
3613 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3616 if (compressed_subtexture_error_check2(ctx
, dims
, width
, height
, depth
,
3617 format
, texImage
)) {
3618 /* error was recorded */
3620 else if (width
> 0 && height
> 0 && depth
> 0) {
3623 if (ctx
->Driver
.CompressedTexSubImage1D
) {
3624 ctx
->Driver
.CompressedTexSubImage1D(ctx
, target
, level
,
3626 format
, imageSize
, data
,
3631 if (ctx
->Driver
.CompressedTexSubImage2D
) {
3632 ctx
->Driver
.CompressedTexSubImage2D(ctx
, target
, level
,
3635 format
, imageSize
, data
,
3640 if (ctx
->Driver
.CompressedTexSubImage3D
) {
3641 ctx
->Driver
.CompressedTexSubImage3D(ctx
, target
, level
,
3642 xoffset
, yoffset
, zoffset
,
3643 width
, height
, depth
,
3644 format
, imageSize
, data
,
3652 check_gen_mipmap(ctx
, target
, texObj
, level
);
3654 ctx
->NewState
|= _NEW_TEXTURE
;
3657 _mesa_unlock_texture(ctx
, texObj
);
3662 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
3663 GLsizei width
, GLenum format
,
3664 GLsizei imageSize
, const GLvoid
*data
)
3666 compressed_tex_sub_image(1, target
, level
, xoffset
, 0, 0, width
, 1, 1,
3667 format
, imageSize
, data
);
3672 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
3673 GLint yoffset
, GLsizei width
, GLsizei height
,
3674 GLenum format
, GLsizei imageSize
,
3677 compressed_tex_sub_image(2, target
, level
, xoffset
, yoffset
, 0,
3678 width
, height
, 1, format
, imageSize
, data
);
3683 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
3684 GLint yoffset
, GLint zoffset
, GLsizei width
,
3685 GLsizei height
, GLsizei depth
, GLenum format
,
3686 GLsizei imageSize
, const GLvoid
*data
)
3688 compressed_tex_sub_image(3, target
, level
, xoffset
, yoffset
, zoffset
,
3689 width
, height
, depth
, format
, imageSize
, data
);