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"
40 #include "framebuffer.h"
46 #include "texcompress.h"
47 #include "texformat.h"
55 * State changes which we care about for glCopyTex[Sub]Image() calls.
56 * In particular, we care about pixel transfer state and buffer state
57 * (such as glReadBuffer to make sure we read from the right renderbuffer).
59 #define NEW_COPY_TEX_STATE (_MESA_NEW_TRANSFER_STATE | \
66 * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
70 _mesa_alloc_texmemory(GLsizei bytes
)
72 return _mesa_align_malloc(bytes
, 512);
77 * Free texture memory allocated with _mesa_alloc_texmemory()
80 _mesa_free_texmemory(void *m
)
89 static void PrintTexture(GLcontext
*ctx
, const struct gl_texture_image
*img
)
91 #if CHAN_TYPE != GL_UNSIGNED_BYTE
92 _mesa_problem(NULL
, "PrintTexture not supported");
95 const GLubyte
*data
= (const GLubyte
*) img
->Data
;
98 _mesa_printf("No texture data\n");
102 switch (img
->Format
) {
109 case GL_LUMINANCE_ALPHA
:
119 _mesa_problem(NULL
, "error in PrintTexture\n");
123 for (i
= 0; i
< img
->Height
; i
++) {
124 for (j
= 0; j
< img
->Width
; j
++) {
126 _mesa_printf("%02x ", data
[0]);
128 _mesa_printf("%02x%02x ", data
[0], data
[1]);
130 _mesa_printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
132 _mesa_printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
133 data
+= (img
->RowStride
- img
->Width
) * c
;
135 /* XXX use img->ImageStride here */
144 * Compute floor(log_base_2(n)).
145 * If n < 0 return -1.
174 * Return the simple base format for a given internal texture format.
175 * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
177 * \param ctx GL context.
178 * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
180 * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
181 * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
183 * This is the format which is used during texture application (i.e. the
184 * texture format and env mode determine the arithmetic used.
186 * XXX this could be static
189 _mesa_base_tex_format( GLcontext
*ctx
, GLint internalFormat
)
191 switch (internalFormat
) {
206 case GL_LUMINANCE_ALPHA
:
207 case GL_LUMINANCE4_ALPHA4
:
208 case GL_LUMINANCE6_ALPHA2
:
209 case GL_LUMINANCE8_ALPHA8
:
210 case GL_LUMINANCE12_ALPHA4
:
211 case GL_LUMINANCE12_ALPHA12
:
212 case GL_LUMINANCE16_ALPHA16
:
213 return GL_LUMINANCE_ALPHA
;
244 if (ctx
->Extensions
.EXT_paletted_texture
) {
245 switch (internalFormat
) {
247 case GL_COLOR_INDEX1_EXT
:
248 case GL_COLOR_INDEX2_EXT
:
249 case GL_COLOR_INDEX4_EXT
:
250 case GL_COLOR_INDEX8_EXT
:
251 case GL_COLOR_INDEX12_EXT
:
252 case GL_COLOR_INDEX16_EXT
:
253 return GL_COLOR_INDEX
;
259 if (ctx
->Extensions
.ARB_depth_texture
) {
260 switch (internalFormat
) {
261 case GL_DEPTH_COMPONENT
:
262 case GL_DEPTH_COMPONENT16
:
263 case GL_DEPTH_COMPONENT24
:
264 case GL_DEPTH_COMPONENT32
:
265 return GL_DEPTH_COMPONENT
;
271 switch (internalFormat
) {
272 case GL_COMPRESSED_ALPHA
:
274 case GL_COMPRESSED_LUMINANCE
:
276 case GL_COMPRESSED_LUMINANCE_ALPHA
:
277 return GL_LUMINANCE_ALPHA
;
278 case GL_COMPRESSED_INTENSITY
:
280 case GL_COMPRESSED_RGB
:
282 case GL_COMPRESSED_RGBA
:
288 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
) {
289 switch (internalFormat
) {
290 case GL_COMPRESSED_RGB_FXT1_3DFX
:
292 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
299 if (ctx
->Extensions
.EXT_texture_compression_s3tc
) {
300 switch (internalFormat
) {
301 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
303 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
304 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
305 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
312 if (ctx
->Extensions
.S3_s3tc
) {
313 switch (internalFormat
) {
325 if (ctx
->Extensions
.MESA_ycbcr_texture
) {
326 if (internalFormat
== GL_YCBCR_MESA
)
327 return GL_YCBCR_MESA
;
330 if (ctx
->Extensions
.ARB_texture_float
) {
331 switch (internalFormat
) {
332 case GL_ALPHA16F_ARB
:
333 case GL_ALPHA32F_ARB
:
341 case GL_INTENSITY16F_ARB
:
342 case GL_INTENSITY32F_ARB
:
344 case GL_LUMINANCE16F_ARB
:
345 case GL_LUMINANCE32F_ARB
:
347 case GL_LUMINANCE_ALPHA16F_ARB
:
348 case GL_LUMINANCE_ALPHA32F_ARB
:
349 return GL_LUMINANCE_ALPHA
;
355 if (ctx
->Extensions
.ATI_envmap_bumpmap
) {
356 switch (internalFormat
) {
365 if (ctx
->Extensions
.MESA_texture_signed_rgba
) {
366 switch (internalFormat
) {
375 if (ctx
->Extensions
.EXT_packed_depth_stencil
) {
376 switch (internalFormat
) {
377 case GL_DEPTH_STENCIL_EXT
:
378 case GL_DEPTH24_STENCIL8_EXT
:
379 return GL_DEPTH_STENCIL_EXT
;
385 #if FEATURE_EXT_texture_sRGB
386 if (ctx
->Extensions
.EXT_texture_sRGB
) {
387 switch (internalFormat
) {
390 case GL_COMPRESSED_SRGB_EXT
:
391 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
393 case GL_SRGB_ALPHA_EXT
:
394 case GL_SRGB8_ALPHA8_EXT
:
395 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
396 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
397 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
398 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
400 case GL_SLUMINANCE_ALPHA_EXT
:
401 case GL_SLUMINANCE8_ALPHA8_EXT
:
402 case GL_COMPRESSED_SLUMINANCE_EXT
:
403 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
404 return GL_LUMINANCE_ALPHA
;
405 case GL_SLUMINANCE_EXT
:
406 case GL_SLUMINANCE8_EXT
:
413 #endif /* FEATURE_EXT_texture_sRGB */
415 return -1; /* error */
420 * Test if it is a supported compressed format.
422 * \param internalFormat the internal format token provided by the user.
424 * \ret GL_TRUE if \p internalFormat is a supported compressed format, or
425 * GL_FALSE otherwise.
427 * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX
431 is_compressed_format(GLcontext
*ctx
, GLenum internalFormat
)
433 GLint supported
[100]; /* 100 should be plenty */
436 n
= _mesa_get_compressed_formats(ctx
, supported
, GL_TRUE
);
438 for (i
= 0; i
< n
; i
++) {
439 if ((GLint
) internalFormat
== supported
[i
]) {
448 * For cube map faces, return a face index in [0,5].
449 * For other targets return 0;
452 _mesa_tex_target_to_face(GLenum target
)
454 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
455 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)
456 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
464 * Store a gl_texture_image pointer in a gl_texture_object structure
465 * according to the target and level parameters.
467 * \param tObj texture object.
468 * \param target texture target.
469 * \param level image level.
470 * \param texImage texture image.
472 * This was basically prompted by the introduction of cube maps.
475 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
476 GLenum target
, GLint level
,
477 struct gl_texture_image
*texImage
)
479 const GLuint face
= _mesa_tex_target_to_face(target
);
483 ASSERT(target
!= GL_TEXTURE_RECTANGLE_NV
|| level
== 0);
485 tObj
->Image
[face
][level
] = texImage
;
487 /* Set the 'back' pointer */
488 texImage
->TexObject
= tObj
;
493 * Allocate a texture image structure.
495 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
498 * \return a pointer to gl_texture_image struct with all fields initialized to
501 struct gl_texture_image
*
502 _mesa_new_texture_image( GLcontext
*ctx
)
505 return CALLOC_STRUCT(gl_texture_image
);
510 * Free texture image data.
511 * This function is a fallback called via ctx->Driver.FreeTexImageData().
513 * \param texImage texture image.
515 * Free the texture image data if it's not marked as client data.
518 _mesa_free_texture_image_data(GLcontext
*ctx
,
519 struct gl_texture_image
*texImage
)
523 if (texImage
->Data
&& !texImage
->IsClientData
) {
524 /* free the old texture data */
525 _mesa_free_texmemory(texImage
->Data
);
528 texImage
->Data
= NULL
;
533 * Free texture image.
535 * \param texImage texture image.
537 * Free the texture image structure and the associated image data.
540 _mesa_delete_texture_image( GLcontext
*ctx
, struct gl_texture_image
*texImage
)
542 /* Free texImage->Data and/or any other driver-specific texture
545 ASSERT(ctx
->Driver
.FreeTexImageData
);
546 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
548 ASSERT(texImage
->Data
== NULL
);
549 if (texImage
->ImageOffsets
)
550 _mesa_free(texImage
->ImageOffsets
);
551 _mesa_free(texImage
);
556 * Test if a target is a proxy target.
558 * \param target texture target.
560 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
563 _mesa_is_proxy_texture(GLenum target
)
565 /* NUM_TEXTURE_TARGETS should match number of terms below */
566 assert(NUM_TEXTURE_TARGETS
== 7);
568 return (target
== GL_PROXY_TEXTURE_1D
||
569 target
== GL_PROXY_TEXTURE_2D
||
570 target
== GL_PROXY_TEXTURE_3D
||
571 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
572 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
573 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
574 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
);
579 * Get the texture object that corresponds to the target of the given texture unit.
581 * \param ctx GL context.
582 * \param texUnit texture unit.
583 * \param target texture target.
585 * \return pointer to the texture object on success, or NULL on failure.
587 * \sa gl_texture_unit.
589 struct gl_texture_object
*
590 _mesa_select_tex_object(GLcontext
*ctx
, const struct gl_texture_unit
*texUnit
,
595 return texUnit
->CurrentTex
[TEXTURE_1D_INDEX
];
596 case GL_PROXY_TEXTURE_1D
:
597 return ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
];
599 return texUnit
->CurrentTex
[TEXTURE_2D_INDEX
];
600 case GL_PROXY_TEXTURE_2D
:
601 return ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
];
603 return texUnit
->CurrentTex
[TEXTURE_3D_INDEX
];
604 case GL_PROXY_TEXTURE_3D
:
605 return ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
];
606 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
607 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
608 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
609 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
610 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
611 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
612 case GL_TEXTURE_CUBE_MAP_ARB
:
613 return ctx
->Extensions
.ARB_texture_cube_map
614 ? texUnit
->CurrentTex
[TEXTURE_CUBE_INDEX
] : NULL
;
615 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
616 return ctx
->Extensions
.ARB_texture_cube_map
617 ? ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
] : NULL
;
618 case GL_TEXTURE_RECTANGLE_NV
:
619 return ctx
->Extensions
.NV_texture_rectangle
620 ? texUnit
->CurrentTex
[TEXTURE_RECT_INDEX
] : NULL
;
621 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
622 return ctx
->Extensions
.NV_texture_rectangle
623 ? ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
] : NULL
;
624 case GL_TEXTURE_1D_ARRAY_EXT
:
625 return ctx
->Extensions
.MESA_texture_array
626 ? texUnit
->CurrentTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
627 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
628 return ctx
->Extensions
.MESA_texture_array
629 ? ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
630 case GL_TEXTURE_2D_ARRAY_EXT
:
631 return ctx
->Extensions
.MESA_texture_array
632 ? texUnit
->CurrentTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
633 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
634 return ctx
->Extensions
.MESA_texture_array
635 ? ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
637 _mesa_problem(NULL
, "bad target in _mesa_select_tex_object()");
644 * Get a texture image pointer from a texture object, given a texture
645 * target and mipmap level. The target and level parameters should
646 * have already been error-checked.
648 * \param ctx GL context.
649 * \param texObj texture unit.
650 * \param target texture target.
651 * \param level image level.
653 * \return pointer to the texture image structure, or NULL on failure.
655 struct gl_texture_image
*
656 _mesa_select_tex_image(GLcontext
*ctx
, const struct gl_texture_object
*texObj
,
657 GLenum target
, GLint level
)
659 const GLuint face
= _mesa_tex_target_to_face(target
);
663 ASSERT(level
< MAX_TEXTURE_LEVELS
);
665 return texObj
->Image
[face
][level
];
670 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
671 * it and install it. Only return NULL if passed a bad parameter or run
674 struct gl_texture_image
*
675 _mesa_get_tex_image(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
676 GLenum target
, GLint level
)
678 struct gl_texture_image
*texImage
;
683 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
685 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
687 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
691 _mesa_set_tex_image(texObj
, target
, level
, texImage
);
699 * Return pointer to the specified proxy texture image.
700 * Note that proxy textures are per-context, not per-texture unit.
701 * \return pointer to texture image or NULL if invalid target, invalid
702 * level, or out of memory.
704 struct gl_texture_image
*
705 _mesa_get_proxy_tex_image(GLcontext
*ctx
, GLenum target
, GLint level
)
707 struct gl_texture_image
*texImage
;
714 case GL_PROXY_TEXTURE_1D
:
715 if (level
>= ctx
->Const
.MaxTextureLevels
)
717 texIndex
= TEXTURE_1D_INDEX
;
719 case GL_PROXY_TEXTURE_2D
:
720 if (level
>= ctx
->Const
.MaxTextureLevels
)
722 texIndex
= TEXTURE_2D_INDEX
;
724 case GL_PROXY_TEXTURE_3D
:
725 if (level
>= ctx
->Const
.Max3DTextureLevels
)
727 texIndex
= TEXTURE_3D_INDEX
;
729 case GL_PROXY_TEXTURE_CUBE_MAP
:
730 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
732 texIndex
= TEXTURE_CUBE_INDEX
;
734 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
737 texIndex
= TEXTURE_RECT_INDEX
;
739 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
740 if (level
>= ctx
->Const
.MaxTextureLevels
)
742 texIndex
= TEXTURE_1D_ARRAY_INDEX
;
744 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
745 if (level
>= ctx
->Const
.MaxTextureLevels
)
747 texIndex
= TEXTURE_2D_ARRAY_INDEX
;
753 texImage
= ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
];
755 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
757 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
760 ctx
->Texture
.ProxyTex
[texIndex
]->Image
[0][level
] = texImage
;
761 /* Set the 'back' pointer */
762 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[texIndex
];
769 * Get the maximum number of allowed mipmap levels.
771 * \param ctx GL context.
772 * \param target texture target.
774 * \return the maximum number of allowed mipmap levels for the given
775 * texture target, or zero if passed a bad target.
780 _mesa_max_texture_levels(GLcontext
*ctx
, GLenum target
)
784 case GL_PROXY_TEXTURE_1D
:
786 case GL_PROXY_TEXTURE_2D
:
787 return ctx
->Const
.MaxTextureLevels
;
789 case GL_PROXY_TEXTURE_3D
:
790 return ctx
->Const
.Max3DTextureLevels
;
791 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
792 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
793 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
794 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
795 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
796 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
797 case GL_TEXTURE_CUBE_MAP_ARB
:
798 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
799 return ctx
->Extensions
.ARB_texture_cube_map
800 ? ctx
->Const
.MaxCubeTextureLevels
: 0;
801 case GL_TEXTURE_RECTANGLE_NV
:
802 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
803 return ctx
->Extensions
.NV_texture_rectangle
? 1 : 0;
804 case GL_TEXTURE_1D_ARRAY_EXT
:
805 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
806 case GL_TEXTURE_2D_ARRAY_EXT
:
807 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
808 return ctx
->Extensions
.MESA_texture_array
809 ? ctx
->Const
.MaxTextureLevels
: 0;
811 return 0; /* bad target */
817 #if 000 /* not used anymore */
819 * glTexImage[123]D can accept a NULL image pointer. In this case we
820 * create a texture image with unspecified image contents per the OpenGL
824 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
826 const GLint components
= _mesa_components_in_format(format
);
827 const GLint numPixels
= width
* height
* depth
;
828 GLubyte
*data
= (GLubyte
*) MALLOC(numPixels
* components
* sizeof(GLubyte
));
832 * Let's see if anyone finds this. If glTexImage2D() is called with
833 * a NULL image pointer then load the texture image with something
834 * interesting instead of leaving it indeterminate.
837 static const char message
[8][32] = {
841 " X X XXXX XXX XXXXX ",
844 " X X XXXXX XXX X X ",
848 GLubyte
*imgPtr
= data
;
850 for (h
= 0; h
< depth
; h
++) {
851 for (i
= 0; i
< height
; i
++) {
852 GLint srcRow
= 7 - (i
% 8);
853 for (j
= 0; j
< width
; j
++) {
854 GLint srcCol
= j
% 32;
855 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
856 for (k
= 0; k
< components
; k
++) {
872 * Reset the fields of a gl_texture_image struct to zero.
874 * \param img texture image structure.
876 * This is called when a proxy texture test fails, we set all the
877 * image members (except DriverData) to zero.
878 * It's also used in glTexImage[123]D as a safeguard to be sure all
879 * required fields get initialized properly by the Driver.TexImage[123]D
883 clear_teximage_fields(struct gl_texture_image
*img
)
886 img
->_BaseFormat
= 0;
887 img
->InternalFormat
= 0;
893 if (img
->ImageOffsets
) {
894 _mesa_free(img
->ImageOffsets
);
895 img
->ImageOffsets
= NULL
;
904 img
->TexFormat
= &_mesa_null_texformat
;
905 img
->FetchTexelc
= NULL
;
906 img
->FetchTexelf
= NULL
;
907 img
->IsCompressed
= 0;
908 img
->CompressedSize
= 0;
913 * Initialize basic fields of the gl_texture_image struct.
915 * \param ctx GL context.
916 * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
917 * \param img texture image structure to be initialized.
918 * \param width image width.
919 * \param height image height.
920 * \param depth image depth.
921 * \param border image border.
922 * \param internalFormat internal format.
924 * Fills in the fields of \p img with the given information.
925 * Note: width, height and depth include the border.
928 _mesa_init_teximage_fields(GLcontext
*ctx
, GLenum target
,
929 struct gl_texture_image
*img
,
930 GLsizei width
, GLsizei height
, GLsizei depth
,
931 GLint border
, GLenum internalFormat
)
940 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
941 ASSERT(img
->_BaseFormat
> 0);
942 img
->InternalFormat
= internalFormat
;
943 img
->Border
= border
;
945 img
->Height
= height
;
948 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
949 img
->WidthLog2
= logbase2(img
->Width2
);
951 if (height
== 1) { /* 1-D texture */
956 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
957 img
->HeightLog2
= logbase2(img
->Height2
);
960 if (depth
== 1) { /* 2-D texture */
965 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
966 img
->DepthLog2
= logbase2(img
->Depth2
);
969 img
->MaxLog2
= MAX2(img
->WidthLog2
, img
->HeightLog2
);
971 img
->IsCompressed
= GL_FALSE
;
972 img
->CompressedSize
= 0;
974 if ((width
== 1 || _mesa_is_pow_two(img
->Width2
)) &&
975 (height
== 1 || _mesa_is_pow_two(img
->Height2
)) &&
976 (depth
== 1 || _mesa_is_pow_two(img
->Depth2
)))
977 img
->_IsPowerOfTwo
= GL_TRUE
;
979 img
->_IsPowerOfTwo
= GL_FALSE
;
981 /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
982 img
->RowStride
= width
;
983 /* Allocate the ImageOffsets array and initialize to typical values.
984 * We allocate the array for 1D/2D textures too in order to avoid special-
985 * case code in the texstore routines.
987 if (img
->ImageOffsets
)
988 _mesa_free(img
->ImageOffsets
);
989 img
->ImageOffsets
= (GLuint
*) _mesa_malloc(depth
* sizeof(GLuint
));
990 for (i
= 0; i
< depth
; i
++) {
991 img
->ImageOffsets
[i
] = i
* width
* height
;
994 /* Compute Width/Height/DepthScale for mipmap lod computation */
995 if (target
== GL_TEXTURE_RECTANGLE_NV
) {
996 /* scale = 1.0 since texture coords directly map to texels */
997 img
->WidthScale
= 1.0;
998 img
->HeightScale
= 1.0;
999 img
->DepthScale
= 1.0;
1002 img
->WidthScale
= (GLfloat
) img
->Width
;
1003 img
->HeightScale
= (GLfloat
) img
->Height
;
1004 img
->DepthScale
= (GLfloat
) img
->Depth
;
1010 * Free and clear fields of the gl_texture_image struct.
1012 * \param ctx GL context.
1013 * \param texImage texture image structure to be cleared.
1015 * After the call, \p texImage will have no data associated with it. Its
1016 * fields are cleared so that its parent object will test incomplete.
1019 _mesa_clear_texture_image(GLcontext
*ctx
, struct gl_texture_image
*texImage
)
1021 ctx
->Driver
.FreeTexImageData(ctx
, texImage
);
1022 clear_teximage_fields(texImage
);
1027 * This is the fallback for Driver.TestProxyTexImage(). Test the texture
1028 * level, width, height and depth against the ctx->Const limits for textures.
1030 * A hardware driver might override this function if, for example, the
1031 * max 3D texture size is 512x512x64 (i.e. not a cube).
1033 * Note that width, height, depth == 0 is not an error. However, a
1034 * texture with zero width/height/depth will be considered "incomplete"
1035 * and texturing will effectively be disabled.
1037 * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
1038 * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
1039 * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
1040 * \param level as passed to glTexImage
1041 * \param internalFormat as passed to glTexImage
1042 * \param format as passed to glTexImage
1043 * \param type as passed to glTexImage
1044 * \param width as passed to glTexImage
1045 * \param height as passed to glTexImage
1046 * \param depth as passed to glTexImage
1047 * \param border as passed to glTexImage
1048 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1051 _mesa_test_proxy_teximage(GLcontext
*ctx
, GLenum target
, GLint level
,
1052 GLint internalFormat
, GLenum format
, GLenum type
,
1053 GLint width
, GLint height
, GLint depth
, GLint border
)
1057 (void) internalFormat
;
1062 case GL_PROXY_TEXTURE_1D
:
1063 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1064 if (width
< 2 * border
|| width
> 2 + maxSize
||
1065 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1066 width
>0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1067 level
>= ctx
->Const
.MaxTextureLevels
) {
1068 /* bad width or level */
1072 case GL_PROXY_TEXTURE_2D
:
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 height
< 2 * border
|| height
> 2 + maxSize
||
1078 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1079 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1080 level
>= ctx
->Const
.MaxTextureLevels
) {
1081 /* bad width or height or level */
1085 case GL_PROXY_TEXTURE_3D
:
1086 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1087 if (width
< 2 * border
|| width
> 2 + maxSize
||
1088 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1089 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1090 height
< 2 * border
|| height
> 2 + maxSize
||
1091 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1092 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1093 depth
< 2 * border
|| depth
> 2 + maxSize
||
1094 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1095 depth
> 0 && !_mesa_is_pow_two(depth
- 2 * border
)) ||
1096 level
>= ctx
->Const
.Max3DTextureLevels
) {
1097 /* bad width or height or depth or level */
1101 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1102 if (width
< 0 || width
> ctx
->Const
.MaxTextureRectSize
||
1103 height
< 0 || height
> ctx
->Const
.MaxTextureRectSize
||
1105 /* bad width or height or level */
1109 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1110 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1111 if (width
< 2 * border
|| width
> 2 + maxSize
||
1112 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1113 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1114 height
< 2 * border
|| height
> 2 + maxSize
||
1115 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1116 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1117 level
>= ctx
->Const
.MaxCubeTextureLevels
) {
1118 /* bad width or height */
1122 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1123 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1124 if (width
< 2 * border
|| width
> 2 + maxSize
||
1125 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1126 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1127 level
>= ctx
->Const
.MaxTextureLevels
) {
1128 /* bad width or level */
1132 if (height
< 1 || height
> ctx
->Const
.MaxArrayTextureLayers
) {
1136 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1137 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1138 if (width
< 2 * border
|| width
> 2 + maxSize
||
1139 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1140 width
> 0 && !_mesa_is_pow_two(width
- 2 * border
)) ||
1141 height
< 2 * border
|| height
> 2 + maxSize
||
1142 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1143 height
> 0 && !_mesa_is_pow_two(height
- 2 * border
)) ||
1144 level
>= ctx
->Const
.MaxTextureLevels
) {
1145 /* bad width or height or level */
1148 if (depth
< 1 || depth
> ctx
->Const
.MaxArrayTextureLayers
) {
1153 _mesa_problem(ctx
, "Invalid target in _mesa_test_proxy_teximage");
1160 * Helper function to determine whether a target supports compressed textures
1163 target_can_be_compressed(GLcontext
*ctx
, GLenum target
)
1165 return (((target
== GL_TEXTURE_2D
|| target
== GL_PROXY_TEXTURE_2D
))
1166 || ((ctx
->Extensions
.ARB_texture_cube_map
&&
1167 (target
== GL_PROXY_TEXTURE_CUBE_MAP
||
1168 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X
&&
1169 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
))))
1170 || ((ctx
->Extensions
.MESA_texture_array
&&
1171 ((target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
) ||
1172 (target
== GL_TEXTURE_2D_ARRAY_EXT
)))));
1177 * Test the glTexImage[123]D() parameters for errors.
1179 * \param ctx GL context.
1180 * \param target texture target given by the user.
1181 * \param level image level given by the user.
1182 * \param internalFormat internal format given by the user.
1183 * \param format pixel data format given by the user.
1184 * \param type pixel data type given by the user.
1185 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1186 * \param width image width given by the user.
1187 * \param height image height given by the user.
1188 * \param depth image depth given by the user.
1189 * \param border image border given by the user.
1191 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1193 * Verifies each of the parameters against the constants specified in
1194 * __GLcontextRec::Const and the supported extensions, and according to the
1195 * OpenGL specification.
1198 texture_error_check( GLcontext
*ctx
, GLenum target
,
1199 GLint level
, GLint internalFormat
,
1200 GLenum format
, GLenum type
,
1202 GLint width
, GLint height
,
1203 GLint depth
, GLint border
)
1205 const GLboolean isProxy
= _mesa_is_proxy_texture(target
);
1206 GLboolean sizeOK
= GL_TRUE
;
1207 GLboolean colorFormat
, indexFormat
;
1208 GLenum proxy_target
;
1210 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1211 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1213 _mesa_error(ctx
, GL_INVALID_VALUE
,
1214 "glTexImage%dD(level=%d)", dimensions
, level
);
1220 if (border
< 0 || border
> 1 ||
1221 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1222 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1224 _mesa_error(ctx
, GL_INVALID_VALUE
,
1225 "glTexImage%dD(border=%d)", dimensions
, border
);
1230 if (width
< 0 || height
< 0 || depth
< 0) {
1232 _mesa_error(ctx
, GL_INVALID_VALUE
,
1233 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1238 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1239 * level, width, height and depth.
1241 if (dimensions
== 1) {
1242 if (target
== GL_PROXY_TEXTURE_1D
|| target
== GL_TEXTURE_1D
) {
1243 proxy_target
= GL_PROXY_TEXTURE_1D
;
1248 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
1252 else if (dimensions
== 2) {
1254 if (target
== GL_PROXY_TEXTURE_2D
|| target
== GL_TEXTURE_2D
) {
1255 proxy_target
= GL_PROXY_TEXTURE_2D
;
1257 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
1258 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1259 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
1260 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1261 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1264 proxy_target
= GL_PROXY_TEXTURE_CUBE_MAP_ARB
;
1265 sizeOK
= (width
== height
);
1267 else if (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
1268 target
== GL_TEXTURE_RECTANGLE_NV
) {
1269 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1270 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1273 proxy_target
= GL_PROXY_TEXTURE_RECTANGLE_NV
;
1275 else if (target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
1276 target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1277 proxy_target
= GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
1280 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1284 else if (dimensions
== 3) {
1285 if (target
== GL_PROXY_TEXTURE_3D
|| target
== GL_TEXTURE_3D
) {
1286 proxy_target
= GL_PROXY_TEXTURE_3D
;
1288 else if (target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
||
1289 target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1290 proxy_target
= GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
1293 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
1298 _mesa_problem( ctx
, "bad dims in texture_error_check" );
1302 sizeOK
= sizeOK
&& ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target
, level
,
1303 internalFormat
, format
,
1304 type
, width
, height
,
1308 _mesa_error(ctx
, GL_INVALID_VALUE
,
1309 "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
1310 dimensions
, level
, width
, height
, depth
);
1315 /* Check internalFormat */
1316 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1318 _mesa_error(ctx
, GL_INVALID_VALUE
,
1319 "glTexImage%dD(internalFormat=0x%x)",
1320 dimensions
, internalFormat
);
1325 /* Check incoming image format and type */
1326 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1327 /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
1328 * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
1331 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1332 "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
1333 dimensions
, format
, type
);
1338 /* make sure internal format and format basically agree */
1339 colorFormat
= _mesa_is_color_format(format
);
1340 indexFormat
= _mesa_is_index_format(format
);
1341 if ((_mesa_is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
) ||
1342 (_mesa_is_index_format(internalFormat
) && !indexFormat
) ||
1343 (_mesa_is_depth_format(internalFormat
) != _mesa_is_depth_format(format
)) ||
1344 (_mesa_is_ycbcr_format(internalFormat
) != _mesa_is_ycbcr_format(format
)) ||
1345 (_mesa_is_depthstencil_format(internalFormat
) != _mesa_is_depthstencil_format(format
)) ||
1346 (_mesa_is_dudv_format(internalFormat
) != _mesa_is_dudv_format(format
))) {
1348 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1349 "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
1350 dimensions
, internalFormat
, format
);
1354 /* additional checks for ycbcr textures */
1355 if (internalFormat
== GL_YCBCR_MESA
) {
1356 ASSERT(ctx
->Extensions
.MESA_ycbcr_texture
);
1357 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1358 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1360 _mesa_sprintf(message
,
1361 "glTexImage%d(format/type YCBCR mismatch", dimensions
);
1362 _mesa_error(ctx
, GL_INVALID_ENUM
, message
);
1363 return GL_TRUE
; /* error */
1365 if (target
!= GL_TEXTURE_2D
&&
1366 target
!= GL_PROXY_TEXTURE_2D
&&
1367 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1368 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1370 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage(target)");
1376 _mesa_sprintf(message
,
1377 "glTexImage%d(format=GL_YCBCR_MESA and border=%d)",
1378 dimensions
, border
);
1379 _mesa_error(ctx
, GL_INVALID_VALUE
, message
);
1385 /* additional checks for depth textures */
1386 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
) {
1387 /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
1388 if (target
!= GL_TEXTURE_1D
&&
1389 target
!= GL_PROXY_TEXTURE_1D
&&
1390 target
!= GL_TEXTURE_2D
&&
1391 target
!= GL_PROXY_TEXTURE_2D
&&
1392 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1393 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
) {
1395 _mesa_error(ctx
, GL_INVALID_ENUM
,
1396 "glTexImage(target/internalFormat)");
1401 /* additional checks for compressed textures */
1402 if (is_compressed_format(ctx
, internalFormat
)) {
1403 if (!target_can_be_compressed(ctx
, target
) && !isProxy
) {
1404 _mesa_error(ctx
, GL_INVALID_ENUM
,
1405 "glTexImage%d(target)", dimensions
);
1410 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1411 "glTexImage%D(border!=0)", dimensions
);
1417 /* if we get here, the parameters are OK */
1423 * Test glTexSubImage[123]D() parameters for errors.
1425 * \param ctx GL context.
1426 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1427 * \param target texture target given by the user.
1428 * \param level image level given by the user.
1429 * \param xoffset sub-image x offset given by the user.
1430 * \param yoffset sub-image y offset given by the user.
1431 * \param zoffset sub-image z offset given by the user.
1432 * \param format pixel data format given by the user.
1433 * \param type pixel data type given by the user.
1434 * \param width image width given by the user.
1435 * \param height image height given by the user.
1436 * \param depth image depth given by the user.
1438 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1440 * Verifies each of the parameters against the constants specified in
1441 * __GLcontextRec::Const and the supported extensions, and according to the
1442 * OpenGL specification.
1445 subtexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1446 GLenum target
, GLint level
,
1447 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1448 GLint width
, GLint height
, GLint depth
,
1449 GLenum format
, GLenum type
)
1452 if (dimensions
== 1) {
1453 if (target
!= GL_TEXTURE_1D
) {
1454 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage1D(target)" );
1458 else if (dimensions
== 2) {
1459 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1460 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1461 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1462 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1466 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1467 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1468 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1472 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1473 if (!ctx
->Extensions
.MESA_texture_array
) {
1474 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1478 else if (target
!= GL_TEXTURE_2D
) {
1479 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1483 else if (dimensions
== 3) {
1484 if (target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1485 if (!ctx
->Extensions
.MESA_texture_array
) {
1486 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1490 else if (target
!= GL_TEXTURE_3D
) {
1491 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1496 _mesa_problem( ctx
, "invalid dims in texture_error_check" );
1500 /* Basic level check */
1501 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1502 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(level=%d)", level
);
1507 _mesa_error(ctx
, GL_INVALID_VALUE
,
1508 "glTexSubImage%dD(width=%d)", dimensions
, width
);
1511 if (height
< 0 && dimensions
> 1) {
1512 _mesa_error(ctx
, GL_INVALID_VALUE
,
1513 "glTexSubImage%dD(height=%d)", dimensions
, height
);
1516 if (depth
< 0 && dimensions
> 2) {
1517 _mesa_error(ctx
, GL_INVALID_VALUE
,
1518 "glTexSubImage%dD(depth=%d)", dimensions
, depth
);
1522 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1523 _mesa_error(ctx
, GL_INVALID_ENUM
,
1524 "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
1525 dimensions
, format
, type
);
1533 subtexture_error_check2( GLcontext
*ctx
, GLuint dimensions
,
1534 GLenum target
, GLint level
,
1535 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1536 GLint width
, GLint height
, GLint depth
,
1537 GLenum format
, GLenum type
,
1538 const struct gl_texture_image
*destTex
)
1541 /* undefined image level */
1542 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexSubImage%dD", dimensions
);
1546 if (xoffset
< -((GLint
)destTex
->Border
)) {
1547 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset)",
1551 if (xoffset
+ width
> (GLint
) (destTex
->Width
+ destTex
->Border
)) {
1552 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset+width)",
1556 if (dimensions
> 1) {
1557 if (yoffset
< -((GLint
)destTex
->Border
)) {
1558 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset)",
1562 if (yoffset
+ height
> (GLint
) (destTex
->Height
+ destTex
->Border
)) {
1563 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset+height)",
1568 if (dimensions
> 2) {
1569 if (zoffset
< -((GLint
)destTex
->Border
)) {
1570 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset)");
1573 if (zoffset
+ depth
> (GLint
) (destTex
->Depth
+ destTex
->Border
)) {
1574 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset+depth)");
1579 #if FEATURE_EXT_texture_sRGB
1580 if (destTex
->InternalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
1581 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
1582 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
1583 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
) {
1584 if ((width
& 0x3) || (height
& 0x3) ||
1585 (xoffset
& 0x3) || (yoffset
& 0x3))
1586 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1587 "glTexSubImage%dD(size or offset not multiple of 4)",
1593 if (destTex
->IsCompressed
) {
1594 if (!target_can_be_compressed(ctx
, target
)) {
1595 _mesa_error(ctx
, GL_INVALID_ENUM
,
1596 "glTexSubImage%D(target)", dimensions
);
1599 /* offset must be multiple of 4 */
1600 if ((xoffset
& 3) || (yoffset
& 3)) {
1601 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1602 "glTexSubImage%D(xoffset or yoffset)", dimensions
);
1605 /* size must be multiple of 4 or equal to whole texture size */
1606 if ((width
& 3) && (GLuint
) width
!= destTex
->Width
) {
1607 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1608 "glTexSubImage%D(width)", dimensions
);
1611 if ((height
& 3) && (GLuint
) height
!= destTex
->Height
) {
1612 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1613 "glTexSubImage%D(width)", dimensions
);
1623 * Test glCopyTexImage[12]D() parameters for errors.
1625 * \param ctx GL context.
1626 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1627 * \param target texture target given by the user.
1628 * \param level image level given by the user.
1629 * \param internalFormat internal format given by the user.
1630 * \param width image width given by the user.
1631 * \param height image height given by the user.
1632 * \param border texture border.
1634 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1636 * Verifies each of the parameters against the constants specified in
1637 * __GLcontextRec::Const and the supported extensions, and according to the
1638 * OpenGL specification.
1641 copytexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1642 GLenum target
, GLint level
, GLint internalFormat
,
1643 GLint width
, GLint height
, GLint border
)
1649 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1650 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1651 _mesa_error(ctx
, GL_INVALID_VALUE
,
1652 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
1656 /* Check that the source buffer is complete */
1657 if (ctx
->ReadBuffer
->Name
) {
1658 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1659 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1660 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1661 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1667 if (border
< 0 || border
> 1 ||
1668 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1669 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1673 format
= _mesa_base_tex_format(ctx
, internalFormat
);
1675 _mesa_error(ctx
, GL_INVALID_VALUE
,
1676 "glCopyTexImage%dD(internalFormat)", dimensions
);
1680 if (!_mesa_source_buffer_exists(ctx
, format
)) {
1681 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1682 "glCopyTexImage%dD(missing readbuffer)", dimensions
);
1686 /* NOTE: the format and type aren't really significant for
1687 * TestProxyTexImage(). Only the internalformat really matters.
1691 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1692 * level, width, height and depth.
1694 if (dimensions
== 1) {
1695 if (target
== GL_TEXTURE_1D
) {
1696 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_1D
,
1697 level
, internalFormat
,
1699 width
, 1, 1, border
);
1702 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage1D(target)" );
1706 else if (dimensions
== 2) {
1707 if (target
== GL_TEXTURE_2D
) {
1708 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_2D
,
1709 level
, internalFormat
,
1711 width
, height
, 1, border
);
1713 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1714 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1715 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1716 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1719 sizeOK
= (width
== height
) &&
1720 ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_CUBE_MAP_ARB
,
1721 level
, internalFormat
, format
, type
,
1722 width
, height
, 1, border
);
1724 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1725 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1726 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1729 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1730 GL_PROXY_TEXTURE_RECTANGLE_NV
,
1731 level
, internalFormat
,
1733 width
, height
, 1, border
);
1735 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1736 if (!ctx
->Extensions
.MESA_texture_array
) {
1737 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)");
1740 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1741 GL_PROXY_TEXTURE_1D_ARRAY_EXT
,
1742 level
, internalFormat
,
1744 width
, height
, 1, border
);
1747 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1752 _mesa_problem(ctx
, "invalid dimensions in copytexture_error_check");
1757 if (dimensions
== 1) {
1758 _mesa_error(ctx
, GL_INVALID_VALUE
,
1759 "glCopyTexImage1D(width=%d)", width
);
1762 ASSERT(dimensions
== 2);
1763 _mesa_error(ctx
, GL_INVALID_VALUE
,
1764 "glCopyTexImage2D(width=%d, height=%d)", width
, height
);
1769 if (is_compressed_format(ctx
, internalFormat
)) {
1770 if (!target_can_be_compressed(ctx
, target
)) {
1771 _mesa_error(ctx
, GL_INVALID_ENUM
,
1772 "glCopyTexImage%d(target)", dimensions
);
1776 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1777 "glCopyTexImage%D(border!=0)", dimensions
);
1781 else if (_mesa_is_depth_format(internalFormat
)) {
1782 /* make sure we have depth/stencil buffers */
1783 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
1784 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1785 "glCopyTexImage%D(no depth)", dimensions
);
1789 else if (_mesa_is_depthstencil_format(internalFormat
)) {
1790 /* make sure we have depth/stencil buffers */
1791 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
1792 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1793 "glCopyTexImage%D(no depth/stencil buffer)", dimensions
);
1798 /* if we get here, the parameters are OK */
1804 * Test glCopyTexSubImage[12]D() parameters for errors.
1805 * Note that this is the first part of error checking.
1806 * See also copytexsubimage_error_check2() below for the second part.
1808 * \param ctx GL context.
1809 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1810 * \param target texture target given by the user.
1811 * \param level image level given by the user.
1813 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1816 copytexsubimage_error_check1( GLcontext
*ctx
, GLuint dimensions
,
1817 GLenum target
, GLint level
)
1819 /* Check that the source buffer is complete */
1820 if (ctx
->ReadBuffer
->Name
) {
1821 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1822 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1823 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1824 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1830 if (dimensions
== 1) {
1831 if (target
!= GL_TEXTURE_1D
) {
1832 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage1D(target)" );
1836 else if (dimensions
== 2) {
1837 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1838 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1839 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1840 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1844 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1845 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1846 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1850 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1851 if (!ctx
->Extensions
.MESA_texture_array
) {
1852 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1856 else if (target
!= GL_TEXTURE_2D
) {
1857 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
1861 else if (dimensions
== 3) {
1862 if (((target
!= GL_TEXTURE_2D_ARRAY_EXT
) ||
1863 (!ctx
->Extensions
.MESA_texture_array
))
1864 && (target
!= GL_TEXTURE_3D
)) {
1865 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage3D(target)" );
1871 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1872 _mesa_error(ctx
, GL_INVALID_VALUE
,
1873 "glCopyTexSubImage%dD(level=%d)", dimensions
, level
);
1882 * Second part of error checking for glCopyTexSubImage[12]D().
1883 * \param xoffset sub-image x offset given by the user.
1884 * \param yoffset sub-image y offset given by the user.
1885 * \param zoffset sub-image z offset given by the user.
1886 * \param width image width given by the user.
1887 * \param height image height given by the user.
1890 copytexsubimage_error_check2( GLcontext
*ctx
, GLuint dimensions
,
1891 GLenum target
, GLint level
,
1892 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1893 GLsizei width
, GLsizei height
,
1894 const struct gl_texture_image
*teximage
)
1896 /* check that dest tex image exists */
1898 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1899 "glCopyTexSubImage%dD(undefined texture level: %d)",
1906 _mesa_error(ctx
, GL_INVALID_VALUE
,
1907 "glCopyTexSubImage%dD(width=%d)", dimensions
, width
);
1910 if (dimensions
> 1 && height
< 0) {
1911 _mesa_error(ctx
, GL_INVALID_VALUE
,
1912 "glCopyTexSubImage%dD(height=%d)", dimensions
, height
);
1916 /* check x/y offsets */
1917 if (xoffset
< -((GLint
)teximage
->Border
)) {
1918 _mesa_error(ctx
, GL_INVALID_VALUE
,
1919 "glCopyTexSubImage%dD(xoffset=%d)", dimensions
, xoffset
);
1922 if (xoffset
+ width
> (GLint
) (teximage
->Width
+ teximage
->Border
)) {
1923 _mesa_error(ctx
, GL_INVALID_VALUE
,
1924 "glCopyTexSubImage%dD(xoffset+width)", dimensions
);
1927 if (dimensions
> 1) {
1928 if (yoffset
< -((GLint
)teximage
->Border
)) {
1929 _mesa_error(ctx
, GL_INVALID_VALUE
,
1930 "glCopyTexSubImage%dD(yoffset=%d)", dimensions
, yoffset
);
1933 /* NOTE: we're adding the border here, not subtracting! */
1934 if (yoffset
+ height
> (GLint
) (teximage
->Height
+ teximage
->Border
)) {
1935 _mesa_error(ctx
, GL_INVALID_VALUE
,
1936 "glCopyTexSubImage%dD(yoffset+height)", dimensions
);
1941 /* check z offset */
1942 if (dimensions
> 2) {
1943 if (zoffset
< -((GLint
)teximage
->Border
)) {
1944 _mesa_error(ctx
, GL_INVALID_VALUE
,
1945 "glCopyTexSubImage%dD(zoffset)", dimensions
);
1948 if (zoffset
> (GLint
) (teximage
->Depth
+ teximage
->Border
)) {
1949 _mesa_error(ctx
, GL_INVALID_VALUE
,
1950 "glCopyTexSubImage%dD(zoffset+depth)", dimensions
);
1955 if (teximage
->IsCompressed
) {
1956 if (!target_can_be_compressed(ctx
, target
)) {
1957 _mesa_error(ctx
, GL_INVALID_ENUM
,
1958 "glCopyTexSubImage%d(target)", dimensions
);
1961 /* offset must be multiple of 4 */
1962 if ((xoffset
& 3) || (yoffset
& 3)) {
1963 _mesa_error(ctx
, GL_INVALID_VALUE
,
1964 "glCopyTexSubImage%D(xoffset or yoffset)", dimensions
);
1967 /* size must be multiple of 4 */
1968 if ((width
& 3) != 0 && (GLuint
) width
!= teximage
->Width
) {
1969 _mesa_error(ctx
, GL_INVALID_VALUE
,
1970 "glCopyTexSubImage%D(width)", dimensions
);
1973 if ((height
& 3) != 0 && (GLuint
) height
!= teximage
->Height
) {
1974 _mesa_error(ctx
, GL_INVALID_VALUE
,
1975 "glCopyTexSubImage%D(height)", dimensions
);
1980 if (teximage
->InternalFormat
== GL_YCBCR_MESA
) {
1981 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glCopyTexSubImage2D");
1985 if (!_mesa_source_buffer_exists(ctx
, teximage
->_BaseFormat
)) {
1986 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1987 "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
1988 dimensions
, teximage
->_BaseFormat
);
1992 if (teximage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
1993 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
1994 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1995 "glCopyTexSubImage%D(no depth buffer)",
2000 else if (teximage
->_BaseFormat
== GL_DEPTH_STENCIL_EXT
) {
2001 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
2002 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2003 "glCopyTexSubImage%D(no depth/stencil buffer)",
2009 /* if we get here, the parameters are OK */
2014 /** Callback info for walking over FBO hash table */
2018 struct gl_texture_object
*texObj
;
2024 * Check render to texture callback. Called from _mesa_HashWalk().
2027 check_rtt_cb(GLuint key
, void *data
, void *userData
)
2029 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
2030 const struct cb_info
*info
= (struct cb_info
*) userData
;
2031 GLcontext
*ctx
= info
->ctx
;
2032 const struct gl_texture_object
*texObj
= info
->texObj
;
2033 const GLuint level
= info
->level
, face
= info
->face
;
2035 /* If this is a user-created FBO */
2038 /* check if any of the FBO's attachments point to 'texObj' */
2039 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2040 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
2041 if (att
->Type
== GL_TEXTURE
&&
2042 att
->Texture
== texObj
&&
2043 att
->TextureLevel
== level
&&
2044 att
->CubeMapFace
== face
) {
2045 ASSERT(att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
]);
2046 /* Tell driver about the new renderbuffer texture */
2047 ctx
->Driver
.RenderTexture(ctx
, ctx
->DrawBuffer
, att
);
2048 /* Mark fb status as indeterminate to force re-validation */
2057 * When a texture image is specified we have to check if it's bound to
2058 * any framebuffer objects (render to texture) in order to detect changes
2059 * in size or format since that effects FBO completeness.
2060 * Any FBOs rendering into the texture must be re-validated.
2063 update_fbo_texture(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
2064 GLuint face
, GLuint level
)
2066 /* Only check this texture if it's been marked as RenderToTexture */
2067 if (texObj
->_RenderToTexture
) {
2068 struct cb_info info
;
2070 info
.texObj
= texObj
;
2073 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, check_rtt_cb
, &info
);
2079 * If the texture object's GenerateMipmap flag is set and we've
2080 * changed the texture base level image, regenerate the rest of the
2081 * mipmap levels now.
2084 check_gen_mipmap(GLcontext
*ctx
, GLenum target
,
2085 struct gl_texture_object
*texObj
, GLint level
)
2087 ASSERT(target
!= GL_TEXTURE_CUBE_MAP
);
2088 if (texObj
->GenerateMipmap
&& level
== texObj
->BaseLevel
) {
2089 ASSERT(ctx
->Driver
.GenerateMipmap
);
2090 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2095 /** Debug helper: override the user-requested internal format */
2097 override_internal_format(GLenum internalFormat
, GLint width
, GLint height
)
2100 if (internalFormat
== GL_RGBA16F_ARB
||
2101 internalFormat
== GL_RGBA32F_ARB
) {
2102 printf("Convert rgba float tex to int %d x %d\n", width
, height
);
2105 else if (internalFormat
== GL_RGB16F_ARB
||
2106 internalFormat
== GL_RGB32F_ARB
) {
2107 printf("Convert rgb float tex to int %d x %d\n", width
, height
);
2110 else if (internalFormat
== GL_LUMINANCE_ALPHA16F_ARB
||
2111 internalFormat
== GL_LUMINANCE_ALPHA32F_ARB
) {
2112 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2113 return GL_LUMINANCE_ALPHA
;
2115 else if (internalFormat
== GL_LUMINANCE16F_ARB
||
2116 internalFormat
== GL_LUMINANCE32F_ARB
) {
2117 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2118 return GL_LUMINANCE
;
2120 else if (internalFormat
== GL_ALPHA16F_ARB
||
2121 internalFormat
== GL_ALPHA32F_ARB
) {
2122 printf("Convert luminance float tex to int %d x %d\n", width
, height
);
2126 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2127 internalFormat = GL_RGBA;
2131 return internalFormat
;
2134 return internalFormat
;
2140 * Called from the API. Note that width includes the border.
2143 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
2144 GLsizei width
, GLint border
, GLenum format
,
2145 GLenum type
, const GLvoid
*pixels
)
2147 GLsizei postConvWidth
= width
;
2148 GET_CURRENT_CONTEXT(ctx
);
2149 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2151 internalFormat
= override_internal_format(internalFormat
, width
, 1);
2153 #if FEATURE_convolve
2154 if (_mesa_is_color_format(internalFormat
)) {
2155 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2159 if (target
== GL_TEXTURE_1D
) {
2160 /* non-proxy target */
2161 struct gl_texture_unit
*texUnit
;
2162 struct gl_texture_object
*texObj
;
2163 struct gl_texture_image
*texImage
;
2164 const GLuint face
= _mesa_tex_target_to_face(target
);
2166 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2167 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2168 return; /* error was recorded */
2171 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2172 _mesa_update_state(ctx
);
2174 texUnit
= _mesa_get_current_tex_unit(ctx
);
2175 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2176 _mesa_lock_texture(ctx
, texObj
);
2178 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2180 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage1D");
2183 if (texImage
->Data
) {
2184 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2187 ASSERT(texImage
->Data
== NULL
);
2189 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2190 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2191 postConvWidth
, 1, 1,
2192 border
, internalFormat
);
2194 /* Give the texture to the driver. <pixels> may be null. */
2195 ASSERT(ctx
->Driver
.TexImage1D
);
2196 ctx
->Driver
.TexImage1D(ctx
, target
, level
, internalFormat
,
2197 width
, border
, format
, type
, pixels
,
2198 &ctx
->Unpack
, texObj
, texImage
);
2200 ASSERT(texImage
->TexFormat
);
2202 check_gen_mipmap(ctx
, target
, texObj
, level
);
2204 update_fbo_texture(ctx
, texObj
, face
, level
);
2207 texObj
->_Complete
= GL_FALSE
;
2208 ctx
->NewState
|= _NEW_TEXTURE
;
2211 _mesa_unlock_texture(ctx
, texObj
);
2213 else if (target
== GL_PROXY_TEXTURE_1D
) {
2214 /* Proxy texture: check for errors and update proxy state */
2215 struct gl_texture_image
*texImage
;
2216 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2217 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2218 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2219 /* when error, clear all proxy texture image parameters */
2221 clear_teximage_fields(texImage
);
2224 /* no error, set the tex image parameters */
2226 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2227 postConvWidth
, 1, 1,
2228 border
, internalFormat
);
2229 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2230 internalFormat
, format
, type
);
2234 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
2241 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
2242 GLsizei width
, GLsizei height
, GLint border
,
2243 GLenum format
, GLenum type
,
2244 const GLvoid
*pixels
)
2246 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2247 GET_CURRENT_CONTEXT(ctx
);
2248 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2250 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2252 #if FEATURE_convolve
2253 if (_mesa_is_color_format(internalFormat
)) {
2254 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2259 if (target
== GL_TEXTURE_2D
||
2260 (ctx
->Extensions
.ARB_texture_cube_map
&&
2261 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
2262 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) ||
2263 (ctx
->Extensions
.NV_texture_rectangle
&&
2264 target
== GL_TEXTURE_RECTANGLE_NV
) ||
2265 (ctx
->Extensions
.MESA_texture_array
&&
2266 target
== GL_TEXTURE_1D_ARRAY_EXT
)) {
2267 /* non-proxy target */
2268 struct gl_texture_unit
*texUnit
;
2269 struct gl_texture_object
*texObj
;
2270 struct gl_texture_image
*texImage
;
2271 const GLuint face
= _mesa_tex_target_to_face(target
);
2273 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2274 format
, type
, 2, postConvWidth
, postConvHeight
,
2276 return; /* error was recorded */
2279 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2280 _mesa_update_state(ctx
);
2282 texUnit
= _mesa_get_current_tex_unit(ctx
);
2283 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2284 _mesa_lock_texture(ctx
, texObj
);
2286 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2288 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage2D");
2291 if (texImage
->Data
) {
2292 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2295 ASSERT(texImage
->Data
== NULL
);
2296 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2297 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2298 postConvWidth
, postConvHeight
, 1,
2299 border
, internalFormat
);
2301 /* Give the texture to the driver. <pixels> may be null. */
2302 ASSERT(ctx
->Driver
.TexImage2D
);
2303 ctx
->Driver
.TexImage2D(ctx
, target
, level
, internalFormat
,
2304 width
, height
, border
, format
, type
,
2305 pixels
, &ctx
->Unpack
, texObj
, texImage
);
2307 ASSERT(texImage
->TexFormat
);
2309 check_gen_mipmap(ctx
, target
, texObj
, level
);
2311 update_fbo_texture(ctx
, texObj
, face
, level
);
2314 texObj
->_Complete
= GL_FALSE
;
2315 ctx
->NewState
|= _NEW_TEXTURE
;
2318 _mesa_unlock_texture(ctx
, texObj
);
2320 else if (target
== GL_PROXY_TEXTURE_2D
||
2321 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
2322 ctx
->Extensions
.ARB_texture_cube_map
) ||
2323 (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
&&
2324 ctx
->Extensions
.NV_texture_rectangle
) ||
2325 (ctx
->Extensions
.MESA_texture_array
&&
2326 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
)) {
2327 /* Proxy texture: check for errors and update proxy state */
2328 struct gl_texture_image
*texImage
;
2329 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2330 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2331 format
, type
, 2, postConvWidth
, postConvHeight
,
2333 /* when error, clear all proxy texture image parameters */
2335 clear_teximage_fields(texImage
);
2338 /* no error, set the tex image parameters */
2339 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2340 postConvWidth
, postConvHeight
, 1,
2341 border
, internalFormat
);
2342 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2343 internalFormat
, format
, type
);
2347 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)" );
2354 * Called by the API or display list executor.
2355 * Note that width and height include the border.
2358 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
2359 GLsizei width
, GLsizei height
, GLsizei depth
,
2360 GLint border
, GLenum format
, GLenum type
,
2361 const GLvoid
*pixels
)
2363 GET_CURRENT_CONTEXT(ctx
);
2364 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2366 internalFormat
= override_internal_format(internalFormat
, width
, height
);
2368 if (target
== GL_TEXTURE_3D
||
2369 (ctx
->Extensions
.MESA_texture_array
&&
2370 target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
2371 /* non-proxy target */
2372 struct gl_texture_unit
*texUnit
;
2373 struct gl_texture_object
*texObj
;
2374 struct gl_texture_image
*texImage
;
2375 const GLuint face
= _mesa_tex_target_to_face(target
);
2377 if (texture_error_check(ctx
, target
, level
, (GLint
) internalFormat
,
2378 format
, type
, 3, width
, height
, depth
, border
)) {
2379 return; /* error was recorded */
2382 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2383 _mesa_update_state(ctx
);
2385 texUnit
= _mesa_get_current_tex_unit(ctx
);
2386 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2387 _mesa_lock_texture(ctx
, texObj
);
2389 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2391 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage3D");
2394 if (texImage
->Data
) {
2395 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2398 ASSERT(texImage
->Data
== NULL
);
2399 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2400 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2401 width
, height
, depth
,
2402 border
, internalFormat
);
2404 /* Give the texture to the driver. <pixels> may be null. */
2405 ASSERT(ctx
->Driver
.TexImage3D
);
2406 ctx
->Driver
.TexImage3D(ctx
, target
, level
, internalFormat
,
2407 width
, height
, depth
, border
, format
, type
,
2408 pixels
, &ctx
->Unpack
, texObj
, texImage
);
2410 ASSERT(texImage
->TexFormat
);
2412 check_gen_mipmap(ctx
, target
, texObj
, level
);
2414 update_fbo_texture(ctx
, texObj
, face
, level
);
2417 texObj
->_Complete
= GL_FALSE
;
2418 ctx
->NewState
|= _NEW_TEXTURE
;
2421 _mesa_unlock_texture(ctx
, texObj
);
2423 else if (target
== GL_PROXY_TEXTURE_3D
||
2424 (ctx
->Extensions
.MESA_texture_array
&&
2425 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
)) {
2426 /* Proxy texture: check for errors and update proxy state */
2427 struct gl_texture_image
*texImage
;
2428 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2429 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2430 format
, type
, 3, width
, height
, depth
, border
)) {
2431 /* when error, clear all proxy texture image parameters */
2433 clear_teximage_fields(texImage
);
2436 /* no error, set the tex image parameters */
2437 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
2438 depth
, border
, internalFormat
);
2439 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2440 internalFormat
, format
, type
);
2444 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
2451 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
2452 GLsizei width
, GLsizei height
, GLsizei depth
,
2453 GLint border
, GLenum format
, GLenum type
,
2454 const GLvoid
*pixels
)
2456 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
2457 depth
, border
, format
, type
, pixels
);
2463 _mesa_TexSubImage1D( GLenum target
, GLint level
,
2464 GLint xoffset
, GLsizei width
,
2465 GLenum format
, GLenum type
,
2466 const GLvoid
*pixels
)
2468 GLsizei postConvWidth
= width
;
2469 struct gl_texture_unit
*texUnit
;
2470 struct gl_texture_object
*texObj
;
2471 struct gl_texture_image
*texImage
= NULL
;
2472 GET_CURRENT_CONTEXT(ctx
);
2473 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2475 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2476 _mesa_update_state(ctx
);
2478 #if FEATURE_convolve
2479 /* XXX should test internal format */
2480 if (_mesa_is_color_format(format
)) {
2481 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2485 if (subtexture_error_check(ctx
, 1, target
, level
, xoffset
, 0, 0,
2486 postConvWidth
, 1, 1, format
, type
)) {
2487 return; /* error was detected */
2491 texUnit
= _mesa_get_current_tex_unit(ctx
);
2492 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2495 _mesa_lock_texture(ctx
, texObj
);
2497 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2499 if (subtexture_error_check2(ctx
, 1, target
, level
, xoffset
, 0, 0,
2500 postConvWidth
, 1, 1,
2501 format
, type
, texImage
)) {
2502 /* error was recorded */
2504 else if (width
> 0) {
2505 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2506 xoffset
+= texImage
->Border
;
2508 ASSERT(ctx
->Driver
.TexSubImage1D
);
2509 ctx
->Driver
.TexSubImage1D(ctx
, target
, level
, xoffset
, width
,
2510 format
, type
, pixels
, &ctx
->Unpack
,
2513 check_gen_mipmap(ctx
, target
, texObj
, level
);
2515 ctx
->NewState
|= _NEW_TEXTURE
;
2518 _mesa_unlock_texture(ctx
, texObj
);
2523 _mesa_TexSubImage2D( GLenum target
, GLint level
,
2524 GLint xoffset
, GLint yoffset
,
2525 GLsizei width
, GLsizei height
,
2526 GLenum format
, GLenum type
,
2527 const GLvoid
*pixels
)
2529 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2530 struct gl_texture_unit
*texUnit
;
2531 struct gl_texture_object
*texObj
;
2532 struct gl_texture_image
*texImage
;
2533 GET_CURRENT_CONTEXT(ctx
);
2534 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
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 texUnit
= _mesa_get_current_tex_unit(ctx
);
2553 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2555 _mesa_lock_texture(ctx
, texObj
);
2557 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2559 if (subtexture_error_check2(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
2560 postConvWidth
, postConvHeight
, 1,
2561 format
, type
, texImage
)) {
2562 /* error was recorded */
2564 else if (width
> 0 && height
>= 0) {
2565 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2566 xoffset
+= texImage
->Border
;
2567 yoffset
+= texImage
->Border
;
2569 ASSERT(ctx
->Driver
.TexSubImage2D
);
2570 ctx
->Driver
.TexSubImage2D(ctx
, target
, level
, xoffset
, yoffset
,
2571 width
, height
, format
, type
, pixels
,
2572 &ctx
->Unpack
, texObj
, texImage
);
2574 check_gen_mipmap(ctx
, target
, texObj
, level
);
2576 ctx
->NewState
|= _NEW_TEXTURE
;
2579 _mesa_unlock_texture(ctx
, texObj
);
2585 _mesa_TexSubImage3D( GLenum target
, GLint level
,
2586 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2587 GLsizei width
, GLsizei height
, GLsizei depth
,
2588 GLenum format
, GLenum type
,
2589 const GLvoid
*pixels
)
2591 struct gl_texture_unit
*texUnit
;
2592 struct gl_texture_object
*texObj
;
2593 struct gl_texture_image
*texImage
;
2594 GET_CURRENT_CONTEXT(ctx
);
2595 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2597 if (ctx
->NewState
& _MESA_NEW_TRANSFER_STATE
)
2598 _mesa_update_state(ctx
);
2600 if (subtexture_error_check(ctx
, 3, target
, level
, xoffset
, yoffset
, zoffset
,
2601 width
, height
, depth
, format
, type
)) {
2602 return; /* error was detected */
2605 texUnit
= _mesa_get_current_tex_unit(ctx
);
2606 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2608 _mesa_lock_texture(ctx
, texObj
);
2610 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2612 if (subtexture_error_check2(ctx
, 3, target
, level
,
2613 xoffset
, yoffset
, zoffset
,
2614 width
, height
, depth
,
2615 format
, type
, texImage
)) {
2616 /* error was recorded */
2618 else if (width
> 0 && height
> 0 && height
> 0) {
2619 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2620 xoffset
+= texImage
->Border
;
2621 yoffset
+= texImage
->Border
;
2622 zoffset
+= texImage
->Border
;
2624 ASSERT(ctx
->Driver
.TexSubImage3D
);
2625 ctx
->Driver
.TexSubImage3D(ctx
, target
, level
,
2626 xoffset
, yoffset
, zoffset
,
2627 width
, height
, depth
,
2628 format
, type
, pixels
,
2629 &ctx
->Unpack
, texObj
, texImage
);
2631 check_gen_mipmap(ctx
, target
, texObj
, level
);
2633 ctx
->NewState
|= _NEW_TEXTURE
;
2636 _mesa_unlock_texture(ctx
, texObj
);
2642 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
2643 GLenum internalFormat
,
2645 GLsizei width
, GLint border
)
2647 struct gl_texture_unit
*texUnit
;
2648 struct gl_texture_object
*texObj
;
2649 struct gl_texture_image
*texImage
;
2650 GLsizei postConvWidth
= width
;
2651 const GLuint face
= _mesa_tex_target_to_face(target
);
2652 GET_CURRENT_CONTEXT(ctx
);
2653 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2655 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2656 _mesa_update_state(ctx
);
2658 #if FEATURE_convolve
2659 if (_mesa_is_color_format(internalFormat
)) {
2660 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2664 if (copytexture_error_check(ctx
, 1, target
, level
, internalFormat
,
2665 postConvWidth
, 1, border
))
2668 texUnit
= _mesa_get_current_tex_unit(ctx
);
2669 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2671 _mesa_lock_texture(ctx
, texObj
);
2673 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2675 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage1D");
2678 if (texImage
->Data
) {
2679 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2682 ASSERT(texImage
->Data
== NULL
);
2684 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2685 _mesa_init_teximage_fields(ctx
, target
, texImage
, postConvWidth
, 1, 1,
2686 border
, internalFormat
);
2688 ASSERT(ctx
->Driver
.CopyTexImage1D
);
2689 ctx
->Driver
.CopyTexImage1D(ctx
, target
, level
, internalFormat
,
2690 x
, y
, width
, border
);
2692 ASSERT(texImage
->TexFormat
);
2694 check_gen_mipmap(ctx
, target
, texObj
, level
);
2696 update_fbo_texture(ctx
, texObj
, face
, level
);
2699 texObj
->_Complete
= GL_FALSE
;
2700 ctx
->NewState
|= _NEW_TEXTURE
;
2703 _mesa_unlock_texture(ctx
, texObj
);
2709 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
2710 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
2713 struct gl_texture_unit
*texUnit
;
2714 struct gl_texture_object
*texObj
;
2715 struct gl_texture_image
*texImage
;
2716 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2717 const GLuint face
= _mesa_tex_target_to_face(target
);
2718 GET_CURRENT_CONTEXT(ctx
);
2719 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2721 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2722 _mesa_update_state(ctx
);
2724 #if FEATURE_convolve
2725 if (_mesa_is_color_format(internalFormat
)) {
2726 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2731 if (copytexture_error_check(ctx
, 2, target
, level
, internalFormat
,
2732 postConvWidth
, postConvHeight
, border
))
2735 texUnit
= _mesa_get_current_tex_unit(ctx
);
2736 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2738 _mesa_lock_texture(ctx
, texObj
);
2740 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2743 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage2D");
2746 if (texImage
->Data
) {
2747 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2750 ASSERT(texImage
->Data
== NULL
);
2752 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2753 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2754 postConvWidth
, postConvHeight
, 1,
2755 border
, internalFormat
);
2757 ASSERT(ctx
->Driver
.CopyTexImage2D
);
2758 ctx
->Driver
.CopyTexImage2D(ctx
, target
, level
, internalFormat
,
2759 x
, y
, width
, height
, border
);
2761 ASSERT(texImage
->TexFormat
);
2763 check_gen_mipmap(ctx
, target
, texObj
, level
);
2765 update_fbo_texture(ctx
, texObj
, face
, level
);
2768 texObj
->_Complete
= GL_FALSE
;
2769 ctx
->NewState
|= _NEW_TEXTURE
;
2772 _mesa_unlock_texture(ctx
, texObj
);
2777 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
2778 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
2780 struct gl_texture_unit
*texUnit
;
2781 struct gl_texture_object
*texObj
;
2782 struct gl_texture_image
*texImage
;
2783 GLsizei postConvWidth
= width
;
2787 GET_CURRENT_CONTEXT(ctx
);
2788 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2790 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2791 _mesa_update_state(ctx
);
2793 if (copytexsubimage_error_check1(ctx
, 1, target
, level
))
2796 texUnit
= _mesa_get_current_tex_unit(ctx
);
2797 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2799 _mesa_lock_texture(ctx
, texObj
);
2801 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2803 #if FEATURE_convolve
2804 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2805 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2809 if (copytexsubimage_error_check2(ctx
, 1, target
, level
,
2810 xoffset
, 0, 0, postConvWidth
, 1,
2812 /* error was recorded */
2815 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2816 xoffset
+= texImage
->Border
;
2818 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2820 ASSERT(ctx
->Driver
.CopyTexSubImage1D
);
2821 ctx
->Driver
.CopyTexSubImage1D(ctx
, target
, level
,
2822 xoffset
, x
, y
, width
);
2824 check_gen_mipmap(ctx
, target
, texObj
, level
);
2826 ctx
->NewState
|= _NEW_TEXTURE
;
2830 _mesa_unlock_texture(ctx
, texObj
);
2836 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
2837 GLint xoffset
, GLint yoffset
,
2838 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2840 struct gl_texture_unit
*texUnit
;
2841 struct gl_texture_object
*texObj
;
2842 struct gl_texture_image
*texImage
;
2843 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2844 GET_CURRENT_CONTEXT(ctx
);
2845 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2847 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2848 _mesa_update_state(ctx
);
2850 if (copytexsubimage_error_check1(ctx
, 2, target
, level
))
2853 texUnit
= _mesa_get_current_tex_unit(ctx
);
2854 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2856 _mesa_lock_texture(ctx
, texObj
);
2858 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2860 #if FEATURE_convolve
2861 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2862 _mesa_adjust_image_for_convolution(ctx
, 2,
2863 &postConvWidth
, &postConvHeight
);
2867 if (copytexsubimage_error_check2(ctx
, 2, target
, level
,
2868 xoffset
, yoffset
, 0,
2869 postConvWidth
, postConvHeight
,
2871 /* error was recorded */
2874 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2875 xoffset
+= texImage
->Border
;
2876 yoffset
+= texImage
->Border
;
2878 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2880 ASSERT(ctx
->Driver
.CopyTexSubImage2D
);
2881 ctx
->Driver
.CopyTexSubImage2D(ctx
, target
, level
, xoffset
, yoffset
,
2882 x
, y
, width
, height
);
2884 check_gen_mipmap(ctx
, target
, texObj
, level
);
2886 ctx
->NewState
|= _NEW_TEXTURE
;
2890 _mesa_unlock_texture(ctx
, texObj
);
2896 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
2897 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2898 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
2900 struct gl_texture_unit
*texUnit
;
2901 struct gl_texture_object
*texObj
;
2902 struct gl_texture_image
*texImage
;
2903 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2904 GET_CURRENT_CONTEXT(ctx
);
2905 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2907 if (ctx
->NewState
& NEW_COPY_TEX_STATE
)
2908 _mesa_update_state(ctx
);
2910 if (copytexsubimage_error_check1(ctx
, 3, target
, level
))
2913 texUnit
= _mesa_get_current_tex_unit(ctx
);
2914 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2916 _mesa_lock_texture(ctx
, texObj
);
2918 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2920 #if FEATURE_convolve
2921 if (texImage
&& _mesa_is_color_format(texImage
->InternalFormat
)) {
2922 _mesa_adjust_image_for_convolution(ctx
, 2,
2923 &postConvWidth
, &postConvHeight
);
2927 if (copytexsubimage_error_check2(ctx
, 3, target
, level
, xoffset
, yoffset
,
2928 zoffset
, postConvWidth
, postConvHeight
,
2930 /* error was recored */
2933 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2934 xoffset
+= texImage
->Border
;
2935 yoffset
+= texImage
->Border
;
2936 zoffset
+= texImage
->Border
;
2938 if (_mesa_clip_copytexsubimage(ctx
, &xoffset
, &yoffset
, &x
, &y
,
2940 ASSERT(ctx
->Driver
.CopyTexSubImage3D
);
2941 ctx
->Driver
.CopyTexSubImage3D(ctx
, target
, level
,
2942 xoffset
, yoffset
, zoffset
,
2943 x
, y
, width
, height
);
2945 check_gen_mipmap(ctx
, target
, texObj
, level
);
2947 ctx
->NewState
|= _NEW_TEXTURE
;
2951 _mesa_unlock_texture(ctx
, texObj
);
2957 /**********************************************************************/
2958 /****** Compressed Textures ******/
2959 /**********************************************************************/
2963 * Error checking for glCompressedTexImage[123]D().
2964 * \return error code or GL_NO_ERROR.
2967 compressed_texture_error_check(GLcontext
*ctx
, GLint dimensions
,
2968 GLenum target
, GLint level
,
2969 GLenum internalFormat
, GLsizei width
,
2970 GLsizei height
, GLsizei depth
, GLint border
,
2973 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
2975 if (dimensions
== 1) {
2976 /* 1D compressed textures not allowed */
2977 return GL_INVALID_ENUM
;
2979 else if (dimensions
== 2) {
2980 if (target
== GL_PROXY_TEXTURE_2D
) {
2981 maxLevels
= ctx
->Const
.MaxTextureLevels
;
2983 else if (target
== GL_TEXTURE_2D
) {
2984 maxLevels
= ctx
->Const
.MaxTextureLevels
;
2986 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
2987 if (!ctx
->Extensions
.ARB_texture_cube_map
)
2988 return GL_INVALID_ENUM
; /*target*/
2989 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
2991 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
2992 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
2993 if (!ctx
->Extensions
.ARB_texture_cube_map
)
2994 return GL_INVALID_ENUM
; /*target*/
2995 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
2998 return GL_INVALID_ENUM
; /*target*/
3001 else if (dimensions
== 3) {
3002 /* 3D compressed textures not allowed */
3003 return GL_INVALID_ENUM
;
3006 maxTextureSize
= 1 << (maxLevels
- 1);
3008 /* This will detect any invalid internalFormat value */
3009 if (!is_compressed_format(ctx
, internalFormat
))
3010 return GL_INVALID_ENUM
;
3012 /* This should really never fail */
3013 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0)
3014 return GL_INVALID_ENUM
;
3017 return GL_INVALID_VALUE
;
3020 * XXX We should probably use the proxy texture error check function here.
3022 if (width
< 1 || width
> maxTextureSize
||
3023 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(width
)))
3024 return GL_INVALID_VALUE
;
3026 if ((height
< 1 || height
> maxTextureSize
||
3027 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(height
)))
3029 return GL_INVALID_VALUE
;
3031 if ((depth
< 1 || depth
> maxTextureSize
||
3032 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& !_mesa_is_pow_two(depth
)))
3034 return GL_INVALID_VALUE
;
3036 /* For cube map, width must equal height */
3037 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3038 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
&& width
!= height
)
3039 return GL_INVALID_VALUE
;
3041 if (level
< 0 || level
>= maxLevels
)
3042 return GL_INVALID_VALUE
;
3044 expectedSize
= _mesa_compressed_texture_size_glenum(ctx
, width
, height
,
3045 depth
, internalFormat
);
3046 if (expectedSize
!= imageSize
)
3047 return GL_INVALID_VALUE
;
3049 #if FEATURE_EXT_texture_sRGB
3050 if ((internalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
3051 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
3052 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
3053 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
)
3055 return GL_INVALID_OPERATION
;
3064 * Error checking for glCompressedTexSubImage[123]D().
3065 * \warning There are some bad assumptions here about the size of compressed
3066 * texture tiles (multiple of 4) used to test the validity of the
3067 * offset and size parameters.
3068 * \return error code or GL_NO_ERROR.
3071 compressed_subtexture_error_check(GLcontext
*ctx
, GLint dimensions
,
3072 GLenum target
, GLint level
,
3073 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3074 GLsizei width
, GLsizei height
, GLsizei depth
,
3075 GLenum format
, GLsizei imageSize
)
3077 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3080 if (dimensions
== 1) {
3081 /* 1D compressed textures not allowed */
3082 return GL_INVALID_ENUM
;
3084 else if (dimensions
== 2) {
3085 if (target
== GL_PROXY_TEXTURE_2D
) {
3086 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3088 else if (target
== GL_TEXTURE_2D
) {
3089 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3091 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3092 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3093 return GL_INVALID_ENUM
; /*target*/
3094 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3096 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3097 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3098 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3099 return GL_INVALID_ENUM
; /*target*/
3100 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3103 return GL_INVALID_ENUM
; /*target*/
3106 else if (dimensions
== 3) {
3107 /* 3D compressed textures not allowed */
3108 return GL_INVALID_ENUM
;
3111 maxTextureSize
= 1 << (maxLevels
- 1);
3113 /* this will catch any invalid compressed format token */
3114 if (!is_compressed_format(ctx
, format
))
3115 return GL_INVALID_ENUM
;
3117 if (width
< 1 || width
> maxTextureSize
)
3118 return GL_INVALID_VALUE
;
3120 if ((height
< 1 || height
> maxTextureSize
)
3122 return GL_INVALID_VALUE
;
3124 if (level
< 0 || level
>= maxLevels
)
3125 return GL_INVALID_VALUE
;
3127 /* XXX these tests are specific to the compressed format.
3128 * this code should be generalized in some way.
3130 if ((xoffset
& 3) != 0 || (yoffset
& 3) != 0)
3131 return GL_INVALID_VALUE
;
3133 if ((width
& 3) != 0 && width
!= 2 && width
!= 1)
3134 return GL_INVALID_VALUE
;
3136 if ((height
& 3) != 0 && height
!= 2 && height
!= 1)
3137 return GL_INVALID_VALUE
;
3139 expectedSize
= _mesa_compressed_texture_size_glenum(ctx
, width
, height
,
3141 if (expectedSize
!= imageSize
)
3142 return GL_INVALID_VALUE
;
3150 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
3151 GLenum internalFormat
, GLsizei width
,
3152 GLint border
, GLsizei imageSize
,
3155 GET_CURRENT_CONTEXT(ctx
);
3156 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3158 if (target
== GL_TEXTURE_1D
) {
3159 /* non-proxy target */
3160 struct gl_texture_unit
*texUnit
;
3161 struct gl_texture_object
*texObj
;
3162 struct gl_texture_image
*texImage
;
3163 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3164 internalFormat
, width
, 1, 1, border
, imageSize
);
3166 _mesa_error(ctx
, error
, "glCompressedTexImage1D");
3170 texUnit
= _mesa_get_current_tex_unit(ctx
);
3171 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3173 _mesa_lock_texture(ctx
, texObj
);
3175 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3177 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage1D");
3180 if (texImage
->Data
) {
3181 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3183 ASSERT(texImage
->Data
== NULL
);
3185 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3186 border
, internalFormat
);
3188 ASSERT(ctx
->Driver
.CompressedTexImage1D
);
3189 ctx
->Driver
.CompressedTexImage1D(ctx
, target
, level
,
3190 internalFormat
, width
, border
,
3194 check_gen_mipmap(ctx
, target
, texObj
, level
);
3197 texObj
->_Complete
= GL_FALSE
;
3198 ctx
->NewState
|= _NEW_TEXTURE
;
3201 _mesa_unlock_texture(ctx
, texObj
);
3203 else if (target
== GL_PROXY_TEXTURE_1D
) {
3204 /* Proxy texture: check for errors and update proxy state */
3205 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3206 internalFormat
, width
, 1, 1, border
, imageSize
);
3208 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3209 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3210 internalFormat
, GL_NONE
, GL_NONE
,
3211 width
, 1, 1, border
);
3214 /* if error, clear all proxy texture image parameters */
3215 struct gl_texture_image
*texImage
;
3216 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3218 clear_teximage_fields(texImage
);
3221 /* store the teximage parameters */
3222 struct gl_texture_unit
*texUnit
;
3223 struct gl_texture_object
*texObj
;
3224 struct gl_texture_image
*texImage
;
3225 texUnit
= _mesa_get_current_tex_unit(ctx
);
3226 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3228 _mesa_lock_texture(ctx
, texObj
);
3230 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3231 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3232 border
, internalFormat
);
3234 _mesa_unlock_texture(ctx
, texObj
);
3238 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage1D(target)");
3245 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
3246 GLenum internalFormat
, GLsizei width
,
3247 GLsizei height
, GLint border
, GLsizei imageSize
,
3250 GET_CURRENT_CONTEXT(ctx
);
3251 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3253 if (target
== GL_TEXTURE_2D
||
3254 (ctx
->Extensions
.ARB_texture_cube_map
&&
3255 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3256 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
3257 /* non-proxy target */
3258 struct gl_texture_unit
*texUnit
;
3259 struct gl_texture_object
*texObj
;
3260 struct gl_texture_image
*texImage
;
3261 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3262 internalFormat
, width
, height
, 1, border
, imageSize
);
3264 _mesa_error(ctx
, error
, "glCompressedTexImage2D");
3268 texUnit
= _mesa_get_current_tex_unit(ctx
);
3269 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3271 _mesa_lock_texture(ctx
, texObj
);
3273 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3275 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3278 if (texImage
->Data
) {
3279 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3281 ASSERT(texImage
->Data
== NULL
);
3283 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3284 border
, internalFormat
);
3286 ASSERT(ctx
->Driver
.CompressedTexImage2D
);
3287 ctx
->Driver
.CompressedTexImage2D(ctx
, target
, level
,
3288 internalFormat
, width
, height
,
3289 border
, imageSize
, data
,
3292 check_gen_mipmap(ctx
, target
, texObj
, level
);
3295 texObj
->_Complete
= GL_FALSE
;
3296 ctx
->NewState
|= _NEW_TEXTURE
;
3299 _mesa_unlock_texture(ctx
, texObj
);
3301 else if (target
== GL_PROXY_TEXTURE_2D
||
3302 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
3303 ctx
->Extensions
.ARB_texture_cube_map
)) {
3304 /* Proxy texture: check for errors and update proxy state */
3305 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3306 internalFormat
, width
, height
, 1, border
, imageSize
);
3308 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3309 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3310 internalFormat
, GL_NONE
, GL_NONE
,
3311 width
, height
, 1, border
);
3314 /* if error, clear all proxy texture image parameters */
3315 struct gl_texture_image
*texImage
;
3316 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3318 clear_teximage_fields(texImage
);
3321 /* store the teximage parameters */
3322 struct gl_texture_unit
*texUnit
;
3323 struct gl_texture_object
*texObj
;
3324 struct gl_texture_image
*texImage
;
3325 texUnit
= _mesa_get_current_tex_unit(ctx
);
3326 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3328 _mesa_lock_texture(ctx
, texObj
);
3330 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3331 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3332 border
, internalFormat
);
3334 _mesa_unlock_texture(ctx
, texObj
);
3338 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage2D(target)");
3345 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
3346 GLenum internalFormat
, GLsizei width
,
3347 GLsizei height
, GLsizei depth
, GLint border
,
3348 GLsizei imageSize
, const GLvoid
*data
)
3350 GET_CURRENT_CONTEXT(ctx
);
3351 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3353 if (target
== GL_TEXTURE_3D
) {
3354 /* non-proxy target */
3355 struct gl_texture_unit
*texUnit
;
3356 struct gl_texture_object
*texObj
;
3357 struct gl_texture_image
*texImage
;
3358 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3359 internalFormat
, width
, height
, depth
, border
, imageSize
);
3361 _mesa_error(ctx
, error
, "glCompressedTexImage3D");
3365 texUnit
= _mesa_get_current_tex_unit(ctx
);
3366 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3367 _mesa_lock_texture(ctx
, texObj
);
3369 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3371 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage3D");
3374 if (texImage
->Data
) {
3375 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3377 ASSERT(texImage
->Data
== NULL
);
3379 _mesa_init_teximage_fields(ctx
, target
, texImage
,
3380 width
, height
, depth
,
3381 border
, internalFormat
);
3383 ASSERT(ctx
->Driver
.CompressedTexImage3D
);
3384 ctx
->Driver
.CompressedTexImage3D(ctx
, target
, level
,
3386 width
, height
, depth
,
3387 border
, imageSize
, data
,
3390 check_gen_mipmap(ctx
, target
, texObj
, level
);
3393 texObj
->_Complete
= GL_FALSE
;
3394 ctx
->NewState
|= _NEW_TEXTURE
;
3397 _mesa_unlock_texture(ctx
, texObj
);
3399 else if (target
== GL_PROXY_TEXTURE_3D
) {
3400 /* Proxy texture: check for errors and update proxy state */
3401 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3402 internalFormat
, width
, height
, depth
, border
, imageSize
);
3404 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3405 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3406 internalFormat
, GL_NONE
, GL_NONE
,
3407 width
, height
, depth
, border
);
3410 /* if error, clear all proxy texture image parameters */
3411 struct gl_texture_image
*texImage
;
3412 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3414 clear_teximage_fields(texImage
);
3417 /* store the teximage parameters */
3418 struct gl_texture_unit
*texUnit
;
3419 struct gl_texture_object
*texObj
;
3420 struct gl_texture_image
*texImage
;
3421 texUnit
= _mesa_get_current_tex_unit(ctx
);
3422 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3423 _mesa_lock_texture(ctx
, texObj
);
3425 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3426 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
3427 depth
, border
, internalFormat
);
3429 _mesa_unlock_texture(ctx
, texObj
);
3433 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage3D(target)");
3440 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
3441 GLsizei width
, GLenum format
,
3442 GLsizei imageSize
, const GLvoid
*data
)
3444 struct gl_texture_unit
*texUnit
;
3445 struct gl_texture_object
*texObj
;
3446 struct gl_texture_image
*texImage
;
3448 GET_CURRENT_CONTEXT(ctx
);
3449 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3451 error
= compressed_subtexture_error_check(ctx
, 1, target
, level
,
3452 xoffset
, 0, 0, /* pos */
3453 width
, 1, 1, /* size */
3456 _mesa_error(ctx
, error
, "glCompressedTexSubImage1D");
3460 texUnit
= _mesa_get_current_tex_unit(ctx
);
3461 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3463 _mesa_lock_texture(ctx
, texObj
);
3465 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3468 if ((GLint
) format
!= texImage
->InternalFormat
) {
3469 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3470 "glCompressedTexSubImage1D(format)");
3472 else if ((width
== 1 || width
== 2) &&
3473 (GLuint
) width
!= texImage
->Width
) {
3474 _mesa_error(ctx
, GL_INVALID_VALUE
,
3475 "glCompressedTexSubImage1D(width)");
3477 else if (width
> 0) {
3478 if (ctx
->Driver
.CompressedTexSubImage1D
) {
3479 ctx
->Driver
.CompressedTexSubImage1D(ctx
, target
, level
,
3481 format
, imageSize
, data
,
3485 check_gen_mipmap(ctx
, target
, texObj
, level
);
3487 ctx
->NewState
|= _NEW_TEXTURE
;
3490 _mesa_unlock_texture(ctx
, texObj
);
3495 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
3496 GLint yoffset
, GLsizei width
, GLsizei height
,
3497 GLenum format
, GLsizei imageSize
,
3500 struct gl_texture_unit
*texUnit
;
3501 struct gl_texture_object
*texObj
;
3502 struct gl_texture_image
*texImage
;
3504 GET_CURRENT_CONTEXT(ctx
);
3505 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3507 error
= compressed_subtexture_error_check(ctx
, 2, target
, level
,
3508 xoffset
, yoffset
, 0, /* pos */
3509 width
, height
, 1, /* size */
3512 /* XXX proxy target? */
3513 _mesa_error(ctx
, error
, "glCompressedTexSubImage2D");
3517 texUnit
= _mesa_get_current_tex_unit(ctx
);
3518 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3520 _mesa_lock_texture(ctx
, texObj
);
3522 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3525 if ((GLint
) format
!= texImage
->InternalFormat
) {
3526 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3527 "glCompressedTexSubImage2D(format)");
3529 else if (((width
== 1 || width
== 2)
3530 && (GLuint
) width
!= texImage
->Width
) ||
3531 ((height
== 1 || height
== 2)
3532 && (GLuint
) height
!= texImage
->Height
)) {
3533 _mesa_error(ctx
, GL_INVALID_VALUE
, "glCompressedTexSubImage2D(size)");
3535 else if (width
> 0 && height
> 0) {
3536 if (ctx
->Driver
.CompressedTexSubImage2D
) {
3537 ctx
->Driver
.CompressedTexSubImage2D(ctx
, target
, level
,
3538 xoffset
, yoffset
, width
, height
,
3539 format
, imageSize
, data
,
3543 check_gen_mipmap(ctx
, target
, texObj
, level
);
3545 ctx
->NewState
|= _NEW_TEXTURE
;
3548 _mesa_unlock_texture(ctx
, texObj
);
3553 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
3554 GLint yoffset
, GLint zoffset
, GLsizei width
,
3555 GLsizei height
, GLsizei depth
, GLenum format
,
3556 GLsizei imageSize
, const GLvoid
*data
)
3558 struct gl_texture_unit
*texUnit
;
3559 struct gl_texture_object
*texObj
;
3560 struct gl_texture_image
*texImage
;
3562 GET_CURRENT_CONTEXT(ctx
);
3563 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3565 error
= compressed_subtexture_error_check(ctx
, 3, target
, level
,
3566 xoffset
, yoffset
, zoffset
,/*pos*/
3567 width
, height
, depth
, /*size*/
3570 _mesa_error(ctx
, error
, "glCompressedTexSubImage3D");
3574 texUnit
= _mesa_get_current_tex_unit(ctx
);
3575 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3577 _mesa_lock_texture(ctx
, texObj
);
3579 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3582 if ((GLint
) format
!= texImage
->InternalFormat
) {
3583 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3584 "glCompressedTexSubImage3D(format)");
3586 else if (((width
== 1 || width
== 2)
3587 && (GLuint
) width
!= texImage
->Width
) ||
3588 ((height
== 1 || height
== 2)
3589 && (GLuint
) height
!= texImage
->Height
) ||
3590 ((depth
== 1 || depth
== 2)
3591 && (GLuint
) depth
!= texImage
->Depth
)) {
3592 _mesa_error(ctx
, GL_INVALID_VALUE
, "glCompressedTexSubImage3D(size)");
3594 else if (width
> 0 && height
> 0 && depth
> 0) {
3595 if (ctx
->Driver
.CompressedTexSubImage3D
) {
3596 ctx
->Driver
.CompressedTexSubImage3D(ctx
, target
, level
,
3597 xoffset
, yoffset
, zoffset
,
3598 width
, height
, depth
,
3599 format
, imageSize
, data
,
3603 check_gen_mipmap(ctx
, target
, texObj
, level
);
3605 ctx
->NewState
|= _NEW_TEXTURE
;
3608 _mesa_unlock_texture(ctx
, texObj
);