2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 * Texture image-related functions.
33 #include "bufferobj.h"
37 #include "framebuffer.h"
42 #include "texcompress.h"
43 #include "texformat.h"
51 * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
55 _mesa_alloc_texmemory(GLsizei bytes
)
57 return _mesa_align_malloc(bytes
, 512);
62 * Free texture memory allocated with _mesa_alloc_texmemory()
65 _mesa_free_texmemory(void *m
)
74 static void PrintTexture(GLcontext
*ctx
, const struct gl_texture_image
*img
)
76 #if CHAN_TYPE != GL_UNSIGNED_BYTE
77 _mesa_problem(NULL
, "PrintTexture not supported");
80 const GLubyte
*data
= (const GLubyte
*) img
->Data
;
83 _mesa_printf("No texture data\n");
87 switch (img
->Format
) {
94 case GL_LUMINANCE_ALPHA
:
104 _mesa_problem(NULL
, "error in PrintTexture\n");
108 for (i
= 0; i
< img
->Height
; i
++) {
109 for (j
= 0; j
< img
->Width
; j
++) {
111 _mesa_printf("%02x ", data
[0]);
113 _mesa_printf("%02x%02x ", data
[0], data
[1]);
115 _mesa_printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
117 _mesa_printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
118 data
+= (img
->RowStride
- img
->Width
) * c
;
120 /* XXX use img->ImageStride here */
129 * Compute floor(log_base_2(n)).
130 * If n < 0 return -1.
159 * Return the simple base format for a given internal texture format.
160 * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
162 * \param ctx GL context.
163 * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
165 * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
166 * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
168 * This is the format which is used during texture application (i.e. the
169 * texture format and env mode determine the arithmetic used.
172 _mesa_base_tex_format( GLcontext
*ctx
, GLint internalFormat
)
174 switch (internalFormat
) {
189 case GL_LUMINANCE_ALPHA
:
190 case GL_LUMINANCE4_ALPHA4
:
191 case GL_LUMINANCE6_ALPHA2
:
192 case GL_LUMINANCE8_ALPHA8
:
193 case GL_LUMINANCE12_ALPHA4
:
194 case GL_LUMINANCE12_ALPHA12
:
195 case GL_LUMINANCE16_ALPHA16
:
196 return GL_LUMINANCE_ALPHA
;
227 if (ctx
->Extensions
.EXT_paletted_texture
) {
228 switch (internalFormat
) {
230 case GL_COLOR_INDEX1_EXT
:
231 case GL_COLOR_INDEX2_EXT
:
232 case GL_COLOR_INDEX4_EXT
:
233 case GL_COLOR_INDEX8_EXT
:
234 case GL_COLOR_INDEX12_EXT
:
235 case GL_COLOR_INDEX16_EXT
:
236 return GL_COLOR_INDEX
;
242 if (ctx
->Extensions
.SGIX_depth_texture
||
243 ctx
->Extensions
.ARB_depth_texture
) {
244 switch (internalFormat
) {
245 case GL_DEPTH_COMPONENT
:
246 case GL_DEPTH_COMPONENT16_SGIX
:
247 case GL_DEPTH_COMPONENT24_SGIX
:
248 case GL_DEPTH_COMPONENT32_SGIX
:
249 return GL_DEPTH_COMPONENT
;
255 if (ctx
->Extensions
.ARB_texture_compression
) {
256 switch (internalFormat
) {
257 case GL_COMPRESSED_ALPHA
:
259 case GL_COMPRESSED_LUMINANCE
:
261 case GL_COMPRESSED_LUMINANCE_ALPHA
:
262 return GL_LUMINANCE_ALPHA
;
263 case GL_COMPRESSED_INTENSITY
:
265 case GL_COMPRESSED_RGB
:
267 case GL_COMPRESSED_RGBA
:
274 if (ctx
->Extensions
.TDFX_texture_compression_FXT1
) {
275 switch (internalFormat
) {
276 case GL_COMPRESSED_RGB_FXT1_3DFX
:
278 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
285 if (ctx
->Extensions
.EXT_texture_compression_s3tc
) {
286 switch (internalFormat
) {
287 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
289 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
290 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
291 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
298 if (ctx
->Extensions
.S3_s3tc
) {
299 switch (internalFormat
) {
311 if (ctx
->Extensions
.MESA_ycbcr_texture
) {
312 if (internalFormat
== GL_YCBCR_MESA
)
313 return GL_YCBCR_MESA
;
316 if (ctx
->Extensions
.ARB_texture_float
) {
317 switch (internalFormat
) {
318 case GL_ALPHA16F_ARB
:
319 case GL_ALPHA32F_ARB
:
327 case GL_INTENSITY16F_ARB
:
328 case GL_INTENSITY32F_ARB
:
330 case GL_LUMINANCE16F_ARB
:
331 case GL_LUMINANCE32F_ARB
:
333 case GL_LUMINANCE_ALPHA16F_ARB
:
334 case GL_LUMINANCE_ALPHA32F_ARB
:
335 return GL_LUMINANCE_ALPHA
;
341 if (ctx
->Extensions
.EXT_packed_depth_stencil
) {
342 switch (internalFormat
) {
343 case GL_DEPTH_STENCIL_EXT
:
344 case GL_DEPTH24_STENCIL8_EXT
:
345 return GL_DEPTH_STENCIL_EXT
;
351 #if FEATURE_EXT_texture_sRGB
352 if (ctx
->Extensions
.EXT_texture_sRGB
) {
353 switch (internalFormat
) {
356 case GL_COMPRESSED_SRGB_EXT
:
357 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
359 case GL_SRGB_ALPHA_EXT
:
360 case GL_SRGB8_ALPHA8_EXT
:
361 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
362 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
363 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
364 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
366 case GL_SLUMINANCE_ALPHA_EXT
:
367 case GL_SLUMINANCE8_ALPHA8_EXT
:
368 case GL_COMPRESSED_SLUMINANCE_EXT
:
369 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
370 return GL_LUMINANCE_ALPHA
;
371 case GL_SLUMINANCE_EXT
:
372 case GL_SLUMINANCE8_EXT
:
379 #endif /* FEATURE_EXT_texture_sRGB */
381 return -1; /* error */
386 * Test if the given image format is a color/RGBA format (i.e., not color
387 * index, depth, stencil, etc).
388 * \param format the image format value (may by an internal texture format)
389 * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
392 is_color_format(GLenum format
)
410 case GL_LUMINANCE_ALPHA
:
411 case GL_LUMINANCE4_ALPHA4
:
412 case GL_LUMINANCE6_ALPHA2
:
413 case GL_LUMINANCE8_ALPHA8
:
414 case GL_LUMINANCE12_ALPHA4
:
415 case GL_LUMINANCE12_ALPHA12
:
416 case GL_LUMINANCE16_ALPHA16
:
443 /* float texture formats */
444 case GL_ALPHA16F_ARB
:
445 case GL_ALPHA32F_ARB
:
446 case GL_LUMINANCE16F_ARB
:
447 case GL_LUMINANCE32F_ARB
:
448 case GL_LUMINANCE_ALPHA16F_ARB
:
449 case GL_LUMINANCE_ALPHA32F_ARB
:
450 case GL_INTENSITY16F_ARB
:
451 case GL_INTENSITY32F_ARB
:
456 /* compressed formats */
457 case GL_COMPRESSED_ALPHA
:
458 case GL_COMPRESSED_LUMINANCE
:
459 case GL_COMPRESSED_LUMINANCE_ALPHA
:
460 case GL_COMPRESSED_INTENSITY
:
461 case GL_COMPRESSED_RGB
:
462 case GL_COMPRESSED_RGBA
:
467 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT
:
468 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
:
469 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
:
470 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
:
471 case GL_COMPRESSED_RGB_FXT1_3DFX
:
472 case GL_COMPRESSED_RGBA_FXT1_3DFX
:
473 #if FEATURE_EXT_texture_sRGB
476 case GL_SRGB_ALPHA_EXT
:
477 case GL_SRGB8_ALPHA8_EXT
:
478 case GL_SLUMINANCE_ALPHA_EXT
:
479 case GL_SLUMINANCE8_ALPHA8_EXT
:
480 case GL_SLUMINANCE_EXT
:
481 case GL_SLUMINANCE8_EXT
:
482 case GL_COMPRESSED_SRGB_EXT
:
483 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
:
484 case GL_COMPRESSED_SRGB_ALPHA_EXT
:
485 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
:
486 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
:
487 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
:
488 case GL_COMPRESSED_SLUMINANCE_EXT
:
489 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
:
490 #endif /* FEATURE_EXT_texture_sRGB */
492 case GL_YCBCR_MESA
: /* not considered to be RGB */
500 * Test if the given image format is a color index format.
503 is_index_format(GLenum format
)
507 case GL_COLOR_INDEX1_EXT
:
508 case GL_COLOR_INDEX2_EXT
:
509 case GL_COLOR_INDEX4_EXT
:
510 case GL_COLOR_INDEX8_EXT
:
511 case GL_COLOR_INDEX12_EXT
:
512 case GL_COLOR_INDEX16_EXT
:
521 * Test if the given image format is a depth component format.
524 is_depth_format(GLenum format
)
527 case GL_DEPTH_COMPONENT16_ARB
:
528 case GL_DEPTH_COMPONENT24_ARB
:
529 case GL_DEPTH_COMPONENT32_ARB
:
530 case GL_DEPTH_COMPONENT
:
539 * Test if the given image format is a YCbCr format.
542 is_ycbcr_format(GLenum format
)
554 * Test if the given image format is a Depth/Stencil format.
557 is_depthstencil_format(GLenum format
)
560 case GL_DEPTH24_STENCIL8_EXT
:
561 case GL_DEPTH_STENCIL_EXT
:
571 * Test if it is a supported compressed format.
573 * \param internalFormat the internal format token provided by the user.
575 * \ret GL_TRUE if \p internalFormat is a supported compressed format, or
576 * GL_FALSE otherwise.
578 * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX
582 is_compressed_format(GLcontext
*ctx
, GLenum internalFormat
)
584 GLint supported
[100]; /* 100 should be plenty */
587 n
= _mesa_get_compressed_formats(ctx
, supported
, GL_TRUE
);
589 for (i
= 0; i
< n
; i
++) {
590 if ((GLint
) internalFormat
== supported
[i
]) {
599 texture_face(GLenum target
)
601 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
602 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)
603 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
611 * Store a gl_texture_image pointer in a gl_texture_object structure
612 * according to the target and level parameters.
614 * \param tObj texture object.
615 * \param target texture target.
616 * \param level image level.
617 * \param texImage texture image.
619 * This was basically prompted by the introduction of cube maps.
622 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
623 GLenum target
, GLint level
,
624 struct gl_texture_image
*texImage
)
632 case GL_TEXTURE_1D_ARRAY_EXT
:
633 case GL_TEXTURE_2D_ARRAY_EXT
:
634 tObj
->Image
[0][level
] = texImage
;
636 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
637 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
638 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
639 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
640 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
641 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
643 GLuint face
= ((GLuint
) target
-
644 (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
);
645 tObj
->Image
[face
][level
] = texImage
;
648 case GL_TEXTURE_RECTANGLE_NV
:
650 tObj
->Image
[0][level
] = texImage
;
653 _mesa_problem(NULL
, "bad target in _mesa_set_tex_image()");
656 /* Set the 'back' pointer */
657 texImage
->TexObject
= tObj
;
662 * Allocate a texture image structure.
664 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
667 * \return a pointer to gl_texture_image struct with all fields initialized to
670 struct gl_texture_image
*
671 _mesa_new_texture_image( GLcontext
*ctx
)
674 return CALLOC_STRUCT(gl_texture_image
);
679 * Free texture image data.
680 * This function is a fallback called via ctx->Driver.FreeTexImageData().
682 * \param teximage texture image.
684 * Free the texture image data if it's not marked as client data.
687 _mesa_free_texture_image_data(GLcontext
*ctx
,
688 struct gl_texture_image
*texImage
)
692 if (texImage
->Data
&& !texImage
->IsClientData
) {
693 /* free the old texture data */
694 _mesa_free_texmemory(texImage
->Data
);
697 texImage
->Data
= NULL
;
702 * Free texture image.
704 * \param teximage texture image.
706 * Free the texture image structure and the associated image data.
709 _mesa_delete_texture_image( GLcontext
*ctx
, struct gl_texture_image
*texImage
)
711 /* Free texImage->Data and/or any other driver-specific texture
714 ASSERT(ctx
->Driver
.FreeTexImageData
);
715 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
717 ASSERT(texImage
->Data
== NULL
);
718 if (texImage
->ImageOffsets
)
719 _mesa_free(texImage
->ImageOffsets
);
720 _mesa_free(texImage
);
725 * Test if a target is a proxy target.
727 * \param target texture target.
729 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
732 _mesa_is_proxy_texture(GLenum target
)
734 return (target
== GL_PROXY_TEXTURE_1D
||
735 target
== GL_PROXY_TEXTURE_2D
||
736 target
== GL_PROXY_TEXTURE_3D
||
737 target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
738 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
739 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
740 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
);
745 * Get the texture object that corresponds to the target of the given texture unit.
747 * \param ctx GL context.
748 * \param texUnit texture unit.
749 * \param target texture target.
751 * \return pointer to the texture object on success, or NULL on failure.
753 * \sa gl_texture_unit.
755 struct gl_texture_object
*
756 _mesa_select_tex_object(GLcontext
*ctx
, const struct gl_texture_unit
*texUnit
,
761 return texUnit
->Current1D
;
762 case GL_PROXY_TEXTURE_1D
:
763 return ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
];
765 return texUnit
->Current2D
;
766 case GL_PROXY_TEXTURE_2D
:
767 return ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
];
769 return texUnit
->Current3D
;
770 case GL_PROXY_TEXTURE_3D
:
771 return ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
];
772 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
773 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
774 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
775 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
776 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
777 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
778 case GL_TEXTURE_CUBE_MAP_ARB
:
779 return ctx
->Extensions
.ARB_texture_cube_map
780 ? texUnit
->CurrentCubeMap
: NULL
;
781 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
782 return ctx
->Extensions
.ARB_texture_cube_map
783 ? ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
] : NULL
;
784 case GL_TEXTURE_RECTANGLE_NV
:
785 return ctx
->Extensions
.NV_texture_rectangle
786 ? texUnit
->CurrentRect
: NULL
;
787 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
788 return ctx
->Extensions
.NV_texture_rectangle
789 ? ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
] : NULL
;
790 case GL_TEXTURE_1D_ARRAY_EXT
:
791 return ctx
->Extensions
.MESA_texture_array
792 ? texUnit
->Current1DArray
: NULL
;
793 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
794 return ctx
->Extensions
.MESA_texture_array
795 ? ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
] : NULL
;
796 case GL_TEXTURE_2D_ARRAY_EXT
:
797 return ctx
->Extensions
.MESA_texture_array
798 ? texUnit
->Current2DArray
: NULL
;
799 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
800 return ctx
->Extensions
.MESA_texture_array
801 ? ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
] : NULL
;
803 _mesa_problem(NULL
, "bad target in _mesa_select_tex_object()");
810 * Get the texture image struct which corresponds to target and level
811 * of the given texture unit.
813 * \param ctx GL context.
814 * \param texUnit texture unit.
815 * \param target texture target.
816 * \param level image level.
818 * \return pointer to the texture image structure on success, or NULL on failure.
820 * \sa gl_texture_unit.
822 struct gl_texture_image
*
823 _mesa_select_tex_image(GLcontext
*ctx
, const struct gl_texture_object
*texObj
,
824 GLenum target
, GLint level
)
828 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
)
833 case GL_PROXY_TEXTURE_1D
:
835 case GL_PROXY_TEXTURE_2D
:
837 case GL_PROXY_TEXTURE_3D
:
838 return texObj
->Image
[0][level
];
840 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
841 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
842 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
843 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
844 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
845 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
846 if (ctx
->Extensions
.ARB_texture_cube_map
) {
847 GLuint face
= ((GLuint
) target
-
848 (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
);
849 return texObj
->Image
[face
][level
];
854 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
855 if (ctx
->Extensions
.ARB_texture_cube_map
)
856 return texObj
->Image
[0][level
];
860 case GL_TEXTURE_RECTANGLE_NV
:
861 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
862 if (ctx
->Extensions
.NV_texture_rectangle
&& level
== 0)
863 return texObj
->Image
[0][level
];
867 case GL_TEXTURE_1D_ARRAY_EXT
:
868 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
869 case GL_TEXTURE_2D_ARRAY_EXT
:
870 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
871 return (ctx
->Extensions
.MESA_texture_array
)
872 ? texObj
->Image
[0][level
] : NULL
;
881 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
882 * it and install it. Only return NULL if passed a bad parameter or run
885 struct gl_texture_image
*
886 _mesa_get_tex_image(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
887 GLenum target
, GLint level
)
889 struct gl_texture_image
*texImage
;
894 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
896 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
898 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "texture image allocation");
902 _mesa_set_tex_image(texObj
, target
, level
, texImage
);
910 * Return pointer to the specified proxy texture image.
911 * Note that proxy textures are per-context, not per-texture unit.
912 * \return pointer to texture image or NULL if invalid target, invalid
913 * level, or out of memory.
915 struct gl_texture_image
*
916 _mesa_get_proxy_tex_image(GLcontext
*ctx
, GLenum target
, GLint level
)
918 struct gl_texture_image
*texImage
;
924 case GL_PROXY_TEXTURE_1D
:
925 if (level
>= ctx
->Const
.MaxTextureLevels
)
927 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
]->Image
[0][level
];
929 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
931 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
934 ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
]->Image
[0][level
] = texImage
;
935 /* Set the 'back' pointer */
936 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_1D_INDEX
];
939 case GL_PROXY_TEXTURE_2D
:
940 if (level
>= ctx
->Const
.MaxTextureLevels
)
942 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
]->Image
[0][level
];
944 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
946 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
949 ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
]->Image
[0][level
] = texImage
;
950 /* Set the 'back' pointer */
951 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
];
954 case GL_PROXY_TEXTURE_3D
:
955 if (level
>= ctx
->Const
.Max3DTextureLevels
)
957 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
]->Image
[0][level
];
959 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
961 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
964 ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
]->Image
[0][level
] = texImage
;
965 /* Set the 'back' pointer */
966 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_3D_INDEX
];
969 case GL_PROXY_TEXTURE_CUBE_MAP
:
970 if (level
>= ctx
->Const
.MaxCubeTextureLevels
)
972 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
]->Image
[0][level
];
974 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
976 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
979 ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
]->Image
[0][level
] = texImage
;
980 /* Set the 'back' pointer */
981 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_CUBE_INDEX
];
984 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
987 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
]->Image
[0][level
];
989 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
991 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
994 ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
]->Image
[0][level
] = texImage
;
995 /* Set the 'back' pointer */
996 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_RECT_INDEX
];
999 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1000 if (level
>= ctx
->Const
.MaxTextureLevels
)
1002 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
]->Image
[0][level
];
1004 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
1006 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
1009 ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
]->Image
[0][level
] = texImage
;
1010 /* Set the 'back' pointer */
1011 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_1D_ARRAY_INDEX
];
1014 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1015 if (level
>= ctx
->Const
.MaxTextureLevels
)
1017 texImage
= ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
]->Image
[0][level
];
1019 texImage
= ctx
->Driver
.NewTextureImage(ctx
);
1021 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "proxy texture allocation");
1024 ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
]->Image
[0][level
] = texImage
;
1025 /* Set the 'back' pointer */
1026 texImage
->TexObject
= ctx
->Texture
.ProxyTex
[TEXTURE_2D_ARRAY_INDEX
];
1036 * Get the maximum number of allowed mipmap levels.
1038 * \param ctx GL context.
1039 * \param target texture target.
1041 * \return the maximum number of allowed mipmap levels for the given
1042 * texture target, or zero if passed a bad target.
1047 _mesa_max_texture_levels(GLcontext
*ctx
, GLenum target
)
1051 case GL_PROXY_TEXTURE_1D
:
1053 case GL_PROXY_TEXTURE_2D
:
1054 case GL_TEXTURE_1D_ARRAY_EXT
:
1055 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1056 case GL_TEXTURE_2D_ARRAY_EXT
:
1057 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1058 return ctx
->Const
.MaxTextureLevels
;
1060 case GL_PROXY_TEXTURE_3D
:
1061 return ctx
->Const
.Max3DTextureLevels
;
1062 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
1063 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
1064 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
1065 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
1066 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
1067 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
1068 case GL_TEXTURE_CUBE_MAP_ARB
:
1069 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1070 return ctx
->Const
.MaxCubeTextureLevels
;
1071 case GL_TEXTURE_RECTANGLE_NV
:
1072 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1075 return 0; /* bad target */
1081 #if 000 /* not used anymore */
1083 * glTexImage[123]D can accept a NULL image pointer. In this case we
1084 * create a texture image with unspecified image contents per the OpenGL
1088 make_null_texture(GLint width
, GLint height
, GLint depth
, GLenum format
)
1090 const GLint components
= _mesa_components_in_format(format
);
1091 const GLint numPixels
= width
* height
* depth
;
1092 GLubyte
*data
= (GLubyte
*) MALLOC(numPixels
* components
* sizeof(GLubyte
));
1096 * Let's see if anyone finds this. If glTexImage2D() is called with
1097 * a NULL image pointer then load the texture image with something
1098 * interesting instead of leaving it indeterminate.
1101 static const char message
[8][32] = {
1102 " X X XXXXX XXX X ",
1103 " XX XX X X X X X ",
1105 " X X XXXX XXX XXXXX ",
1108 " X X XXXXX XXX X X ",
1112 GLubyte
*imgPtr
= data
;
1114 for (h
= 0; h
< depth
; h
++) {
1115 for (i
= 0; i
< height
; i
++) {
1116 GLint srcRow
= 7 - (i
% 8);
1117 for (j
= 0; j
< width
; j
++) {
1118 GLint srcCol
= j
% 32;
1119 GLubyte texel
= (message
[srcRow
][srcCol
]=='X') ? 255 : 70;
1120 for (k
= 0; k
< components
; k
++) {
1136 * Reset the fields of a gl_texture_image struct to zero.
1138 * \param img texture image structure.
1140 * This is called when a proxy texture test fails, we set all the
1141 * image members (except DriverData) to zero.
1142 * It's also used in glTexImage[123]D as a safeguard to be sure all
1143 * required fields get initialized properly by the Driver.TexImage[123]D
1147 clear_teximage_fields(struct gl_texture_image
*img
)
1150 img
->_BaseFormat
= 0;
1151 img
->InternalFormat
= 0;
1157 if (img
->ImageOffsets
) {
1158 _mesa_free(img
->ImageOffsets
);
1159 img
->ImageOffsets
= NULL
;
1165 img
->HeightLog2
= 0;
1168 img
->TexFormat
= &_mesa_null_texformat
;
1169 img
->FetchTexelc
= NULL
;
1170 img
->FetchTexelf
= NULL
;
1171 img
->IsCompressed
= 0;
1172 img
->CompressedSize
= 0;
1177 * Initialize basic fields of the gl_texture_image struct.
1179 * \param ctx GL context.
1180 * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
1181 * \param img texture image structure to be initialized.
1182 * \param width image width.
1183 * \param height image height.
1184 * \param depth image depth.
1185 * \param border image border.
1186 * \param internalFormat internal format.
1188 * Fills in the fields of \p img with the given information.
1189 * Note: width, height and depth include the border.
1192 _mesa_init_teximage_fields(GLcontext
*ctx
, GLenum target
,
1193 struct gl_texture_image
*img
,
1194 GLsizei width
, GLsizei height
, GLsizei depth
,
1195 GLint border
, GLenum internalFormat
)
1201 ASSERT(height
>= 0);
1204 img
->_BaseFormat
= _mesa_base_tex_format( ctx
, internalFormat
);
1205 ASSERT(img
->_BaseFormat
> 0);
1206 img
->InternalFormat
= internalFormat
;
1207 img
->Border
= border
;
1209 img
->Height
= height
;
1211 img
->Width2
= width
- 2 * border
; /* == 1 << img->WidthLog2; */
1212 img
->Height2
= height
- 2 * border
; /* == 1 << img->HeightLog2; */
1213 img
->Depth2
= depth
- 2 * border
; /* == 1 << img->DepthLog2; */
1214 img
->WidthLog2
= logbase2(img
->Width2
);
1215 if (height
== 1) /* 1-D texture */
1216 img
->HeightLog2
= 0;
1218 img
->HeightLog2
= logbase2(img
->Height2
);
1219 if (depth
== 1) /* 2-D texture */
1222 img
->DepthLog2
= logbase2(img
->Depth2
);
1223 img
->MaxLog2
= MAX2(img
->WidthLog2
, img
->HeightLog2
);
1224 img
->IsCompressed
= GL_FALSE
;
1225 img
->CompressedSize
= 0;
1227 if ((width
== 1 || _mesa_bitcount(img
->Width2
) == 1) &&
1228 (height
== 1 || _mesa_bitcount(img
->Height2
) == 1) &&
1229 (depth
== 1 || _mesa_bitcount(img
->Depth2
) == 1))
1230 img
->_IsPowerOfTwo
= GL_TRUE
;
1232 img
->_IsPowerOfTwo
= GL_FALSE
;
1234 /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
1235 img
->RowStride
= width
;
1236 /* Allocate the ImageOffsets array and initialize to typical values.
1237 * We allocate the array for 1D/2D textures too in order to avoid special-
1238 * case code in the texstore routines.
1240 img
->ImageOffsets
= (GLuint
*) _mesa_malloc(depth
* sizeof(GLuint
));
1241 for (i
= 0; i
< depth
; i
++) {
1242 img
->ImageOffsets
[i
] = i
* width
* height
;
1245 /* Compute Width/Height/DepthScale for mipmap lod computation */
1246 if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1247 /* scale = 1.0 since texture coords directly map to texels */
1248 img
->WidthScale
= 1.0;
1249 img
->HeightScale
= 1.0;
1250 img
->DepthScale
= 1.0;
1253 img
->WidthScale
= (GLfloat
) img
->Width
;
1254 img
->HeightScale
= (GLfloat
) img
->Height
;
1255 img
->DepthScale
= (GLfloat
) img
->Depth
;
1261 * This is the fallback for Driver.TestProxyTexImage(). Test the texture
1262 * level, width, height and depth against the ctx->Const limits for textures.
1264 * A hardware driver might override this function if, for example, the
1265 * max 3D texture size is 512x512x64 (i.e. not a cube).
1267 * Note that width, height, depth == 0 is not an error. However, a
1268 * texture with zero width/height/depth will be considered "incomplete"
1269 * and texturing will effectively be disabled.
1271 * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
1272 * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
1273 * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
1274 * \param level as passed to glTexImage
1275 * \param internalFormat as passed to glTexImage
1276 * \param format as passed to glTexImage
1277 * \param type as passed to glTexImage
1278 * \param width as passed to glTexImage
1279 * \param height as passed to glTexImage
1280 * \param depth as passed to glTexImage
1281 * \param border as passed to glTexImage
1282 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1285 _mesa_test_proxy_teximage(GLcontext
*ctx
, GLenum target
, GLint level
,
1286 GLint internalFormat
, GLenum format
, GLenum type
,
1287 GLint width
, GLint height
, GLint depth
, GLint border
)
1291 (void) internalFormat
;
1296 case GL_PROXY_TEXTURE_1D
:
1297 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1298 if (width
< 2 * border
|| width
> 2 + maxSize
||
1299 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1300 width
>0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1301 level
>= ctx
->Const
.MaxTextureLevels
) {
1302 /* bad width or level */
1306 case GL_PROXY_TEXTURE_2D
:
1307 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1308 if (width
< 2 * border
|| width
> 2 + maxSize
||
1309 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1310 width
> 0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1311 height
< 2 * border
|| height
> 2 + maxSize
||
1312 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1313 height
> 0 && _mesa_bitcount(height
- 2 * border
) != 1) ||
1314 level
>= ctx
->Const
.MaxTextureLevels
) {
1315 /* bad width or height or level */
1319 case GL_PROXY_TEXTURE_3D
:
1320 maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1321 if (width
< 2 * border
|| width
> 2 + maxSize
||
1322 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1323 width
> 0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1324 height
< 2 * border
|| height
> 2 + maxSize
||
1325 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1326 height
> 0 && _mesa_bitcount(height
- 2 * border
) != 1) ||
1327 depth
< 2 * border
|| depth
> 2 + maxSize
||
1328 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1329 depth
> 0 && _mesa_bitcount(depth
- 2 * border
) != 1) ||
1330 level
>= ctx
->Const
.Max3DTextureLevels
) {
1331 /* bad width or height or depth or level */
1335 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1336 if (width
< 0 || width
> ctx
->Const
.MaxTextureRectSize
||
1337 height
< 0 || height
> ctx
->Const
.MaxTextureRectSize
||
1339 /* bad width or height or level */
1343 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1344 maxSize
= 1 << (ctx
->Const
.MaxCubeTextureLevels
- 1);
1345 if (width
< 2 * border
|| width
> 2 + maxSize
||
1346 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1347 width
> 0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1348 height
< 2 * border
|| height
> 2 + maxSize
||
1349 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1350 height
> 0 && _mesa_bitcount(height
- 2 * border
) != 1) ||
1351 level
>= ctx
->Const
.MaxCubeTextureLevels
) {
1352 /* bad width or height */
1356 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1357 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1358 if (width
< 2 * border
|| width
> 2 + maxSize
||
1359 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1360 width
> 0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1361 level
>= ctx
->Const
.MaxTextureLevels
) {
1362 /* bad width or level */
1366 if (height
< 1 || height
> ctx
->Const
.MaxArrayTextureLayers
) {
1370 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1371 maxSize
= 1 << (ctx
->Const
.MaxTextureLevels
- 1);
1372 if (width
< 2 * border
|| width
> 2 + maxSize
||
1373 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1374 width
> 0 && _mesa_bitcount(width
- 2 * border
) != 1) ||
1375 height
< 2 * border
|| height
> 2 + maxSize
||
1376 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&&
1377 height
> 0 && _mesa_bitcount(height
- 2 * border
) != 1) ||
1378 level
>= ctx
->Const
.MaxTextureLevels
) {
1379 /* bad width or height or level */
1382 if (depth
< 1 || depth
> ctx
->Const
.MaxArrayTextureLayers
) {
1387 _mesa_problem(ctx
, "Invalid target in _mesa_test_proxy_teximage");
1394 * Helper function to determine whether a target supports compressed textures
1397 target_can_be_compressed(GLcontext
*ctx
, GLenum target
)
1399 return (((target
== GL_TEXTURE_2D
|| target
== GL_PROXY_TEXTURE_2D
))
1400 || ((ctx
->Extensions
.ARB_texture_cube_map
&&
1401 (target
== GL_PROXY_TEXTURE_CUBE_MAP
||
1402 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X
&&
1403 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
))))
1404 || ((ctx
->Extensions
.MESA_texture_array
&&
1405 ((target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
) ||
1406 (target
== GL_TEXTURE_2D_ARRAY_EXT
)))));
1411 * Test the glTexImage[123]D() parameters for errors.
1413 * \param ctx GL context.
1414 * \param target texture target given by the user.
1415 * \param level image level given by the user.
1416 * \param internalFormat internal format given by the user.
1417 * \param format pixel data format given by the user.
1418 * \param type pixel data type given by the user.
1419 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1420 * \param width image width given by the user.
1421 * \param height image height given by the user.
1422 * \param depth image depth given by the user.
1423 * \param border image border given by the user.
1425 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1427 * Verifies each of the parameters against the constants specified in
1428 * __GLcontextRec::Const and the supported extensions, and according to the
1429 * OpenGL specification.
1432 texture_error_check( GLcontext
*ctx
, GLenum target
,
1433 GLint level
, GLint internalFormat
,
1434 GLenum format
, GLenum type
,
1436 GLint width
, GLint height
,
1437 GLint depth
, GLint border
)
1439 const GLboolean isProxy
= _mesa_is_proxy_texture(target
);
1440 GLboolean sizeOK
= GL_TRUE
;
1441 GLboolean colorFormat
, indexFormat
;
1442 GLenum proxy_target
;
1444 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1445 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1447 _mesa_error(ctx
, GL_INVALID_VALUE
,
1448 "glTexImage%dD(level=%d)", dimensions
, level
);
1454 if (border
< 0 || border
> 1 ||
1455 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1456 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1458 _mesa_error(ctx
, GL_INVALID_VALUE
,
1459 "glTexImage%dD(border=%d)", dimensions
, border
);
1464 if (width
< 0 || height
< 0 || depth
< 0) {
1466 _mesa_error(ctx
, GL_INVALID_VALUE
,
1467 "glTexImage%dD(width, height or depth < 0)", dimensions
);
1472 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1473 * level, width, height and depth.
1475 if (dimensions
== 1) {
1476 if (target
== GL_PROXY_TEXTURE_1D
|| target
== GL_TEXTURE_1D
) {
1477 proxy_target
= GL_PROXY_TEXTURE_1D
;
1482 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
1486 else if (dimensions
== 2) {
1488 if (target
== GL_PROXY_TEXTURE_2D
|| target
== GL_TEXTURE_2D
) {
1489 proxy_target
= GL_PROXY_TEXTURE_2D
;
1491 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
||
1492 (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1493 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
1494 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1495 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1498 proxy_target
= GL_PROXY_TEXTURE_CUBE_MAP_ARB
;
1499 sizeOK
= (width
== height
);
1501 else if (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
||
1502 target
== GL_TEXTURE_RECTANGLE_NV
) {
1503 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1504 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1507 proxy_target
= GL_PROXY_TEXTURE_RECTANGLE_NV
;
1509 else if (target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
||
1510 target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1511 proxy_target
= GL_PROXY_TEXTURE_1D_ARRAY_EXT
;
1514 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)");
1518 else if (dimensions
== 3) {
1519 if (target
== GL_PROXY_TEXTURE_3D
|| target
== GL_TEXTURE_3D
) {
1520 proxy_target
= GL_PROXY_TEXTURE_3D
;
1522 else if (target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
||
1523 target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1524 proxy_target
= GL_PROXY_TEXTURE_2D_ARRAY_EXT
;
1527 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
1532 _mesa_problem( ctx
, "bad dims in texture_error_check" );
1536 sizeOK
= sizeOK
&& ctx
->Driver
.TestProxyTexImage(ctx
, proxy_target
, level
,
1537 internalFormat
, format
,
1538 type
, width
, height
,
1542 _mesa_error(ctx
, GL_INVALID_VALUE
,
1543 "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
1544 dimensions
, level
, width
, height
, depth
);
1549 /* Check internalFormat */
1550 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0) {
1552 _mesa_error(ctx
, GL_INVALID_VALUE
,
1553 "glTexImage%dD(internalFormat=0x%x)",
1554 dimensions
, internalFormat
);
1559 /* Check incoming image format and type */
1560 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1561 /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
1562 * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
1565 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1566 "glTexImage%dD(format or type)", dimensions
);
1571 /* make sure internal format and format basically agree */
1572 colorFormat
= is_color_format(format
);
1573 indexFormat
= is_index_format(format
);
1574 if ((is_color_format(internalFormat
) && !colorFormat
&& !indexFormat
) ||
1575 (is_index_format(internalFormat
) && !indexFormat
) ||
1576 (is_depth_format(internalFormat
) != is_depth_format(format
)) ||
1577 (is_ycbcr_format(internalFormat
) != is_ycbcr_format(format
)) ||
1578 (is_depthstencil_format(internalFormat
) != is_depthstencil_format(format
))) {
1580 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1581 "glTexImage(internalFormat/format)");
1585 /* additional checks for ycbcr textures */
1586 if (internalFormat
== GL_YCBCR_MESA
) {
1587 ASSERT(ctx
->Extensions
.MESA_ycbcr_texture
);
1588 if (type
!= GL_UNSIGNED_SHORT_8_8_MESA
&&
1589 type
!= GL_UNSIGNED_SHORT_8_8_REV_MESA
) {
1591 _mesa_sprintf(message
,
1592 "glTexImage%d(format/type YCBCR mismatch", dimensions
);
1593 _mesa_error(ctx
, GL_INVALID_ENUM
, message
);
1594 return GL_TRUE
; /* error */
1596 if (target
!= GL_TEXTURE_2D
&&
1597 target
!= GL_PROXY_TEXTURE_2D
&&
1598 target
!= GL_TEXTURE_RECTANGLE_NV
&&
1599 target
!= GL_PROXY_TEXTURE_RECTANGLE_NV
) {
1601 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexImage(target)");
1607 _mesa_sprintf(message
,
1608 "glTexImage%d(format=GL_YCBCR_MESA and border=%d)",
1609 dimensions
, border
);
1610 _mesa_error(ctx
, GL_INVALID_VALUE
, message
);
1616 /* additional checks for depth textures */
1617 if (_mesa_base_tex_format(ctx
, internalFormat
) == GL_DEPTH_COMPONENT
) {
1618 /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
1619 if (target
!= GL_TEXTURE_1D
&&
1620 target
!= GL_PROXY_TEXTURE_1D
&&
1621 target
!= GL_TEXTURE_2D
&&
1622 target
!= GL_PROXY_TEXTURE_2D
&&
1623 target
!= GL_TEXTURE_RECTANGLE_ARB
&&
1624 target
!= GL_PROXY_TEXTURE_RECTANGLE_ARB
) {
1626 _mesa_error(ctx
, GL_INVALID_ENUM
,
1627 "glTexImage(target/internalFormat)");
1632 /* additional checks for compressed textures */
1633 if (is_compressed_format(ctx
, internalFormat
)) {
1634 if (!target_can_be_compressed(ctx
, target
) && !isProxy
) {
1635 _mesa_error(ctx
, GL_INVALID_ENUM
,
1636 "glTexImage%d(target)", dimensions
);
1641 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1642 "glTexImage%D(border!=0)", dimensions
);
1648 /* if we get here, the parameters are OK */
1654 * Test glTexSubImage[123]D() parameters for errors.
1656 * \param ctx GL context.
1657 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1658 * \param target texture target given by the user.
1659 * \param level image level given by the user.
1660 * \param xoffset sub-image x offset given by the user.
1661 * \param yoffset sub-image y offset given by the user.
1662 * \param zoffset sub-image z offset given by the user.
1663 * \param format pixel data format given by the user.
1664 * \param type pixel data type given by the user.
1665 * \param width image width given by the user.
1666 * \param height image height given by the user.
1667 * \param depth image depth given by the user.
1669 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1671 * Verifies each of the parameters against the constants specified in
1672 * __GLcontextRec::Const and the supported extensions, and according to the
1673 * OpenGL specification.
1676 subtexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1677 GLenum target
, GLint level
,
1678 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1679 GLint width
, GLint height
, GLint depth
,
1680 GLenum format
, GLenum type
)
1683 if (dimensions
== 1) {
1684 if (target
!= GL_TEXTURE_1D
) {
1685 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage1D(target)" );
1689 else if (dimensions
== 2) {
1690 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1691 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1692 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1693 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1697 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1698 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1699 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1703 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1704 if (!ctx
->Extensions
.MESA_texture_array
) {
1705 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1709 else if (target
!= GL_TEXTURE_2D
) {
1710 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(target)" );
1714 else if (dimensions
== 3) {
1715 if (target
== GL_TEXTURE_2D_ARRAY_EXT
) {
1716 if (!ctx
->Extensions
.MESA_texture_array
) {
1717 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1721 else if (target
!= GL_TEXTURE_3D
) {
1722 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexSubImage3D(target)" );
1727 _mesa_problem( ctx
, "invalid dims in texture_error_check" );
1731 /* Basic level check */
1732 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1733 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexSubImage2D(level=%d)", level
);
1738 _mesa_error(ctx
, GL_INVALID_VALUE
,
1739 "glTexSubImage%dD(width=%d)", dimensions
, width
);
1742 if (height
< 0 && dimensions
> 1) {
1743 _mesa_error(ctx
, GL_INVALID_VALUE
,
1744 "glTexSubImage%dD(height=%d)", dimensions
, height
);
1747 if (depth
< 0 && dimensions
> 2) {
1748 _mesa_error(ctx
, GL_INVALID_VALUE
,
1749 "glTexSubImage%dD(depth=%d)", dimensions
, depth
);
1753 if (!_mesa_is_legal_format_and_type(ctx
, format
, type
)) {
1754 _mesa_error(ctx
, GL_INVALID_ENUM
,
1755 "glTexSubImage%dD(format or type)", dimensions
);
1763 subtexture_error_check2( GLcontext
*ctx
, GLuint dimensions
,
1764 GLenum target
, GLint level
,
1765 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1766 GLint width
, GLint height
, GLint depth
,
1767 GLenum format
, GLenum type
,
1768 const struct gl_texture_image
*destTex
)
1771 /* undefined image level */
1772 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexSubImage%dD", dimensions
);
1776 if (xoffset
< -((GLint
)destTex
->Border
)) {
1777 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset)",
1781 if (xoffset
+ width
> (GLint
) (destTex
->Width
+ destTex
->Border
)) {
1782 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(xoffset+width)",
1786 if (dimensions
> 1) {
1787 if (yoffset
< -((GLint
)destTex
->Border
)) {
1788 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset)",
1792 if (yoffset
+ height
> (GLint
) (destTex
->Height
+ destTex
->Border
)) {
1793 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage%dD(yoffset+height)",
1798 if (dimensions
> 2) {
1799 if (zoffset
< -((GLint
)destTex
->Border
)) {
1800 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset)");
1803 if (zoffset
+ depth
> (GLint
) (destTex
->Depth
+ destTex
->Border
)) {
1804 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexSubImage3D(zoffset+depth)");
1809 #if FEATURE_EXT_texture_sRGB
1810 if (destTex
->InternalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
1811 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
1812 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
1813 destTex
->InternalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
) {
1814 if ((width
& 0x3) || (height
& 0x3) ||
1815 (xoffset
& 0x3) || (yoffset
& 0x3))
1816 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1817 "glTexSubImage%dD(size or offset not multiple of 4)",
1823 if (destTex
->IsCompressed
) {
1824 if (!target_can_be_compressed(ctx
, target
)) {
1825 _mesa_error(ctx
, GL_INVALID_ENUM
,
1826 "glTexSubImage%D(target)", dimensions
);
1829 /* offset must be multiple of 4 */
1830 if ((xoffset
& 3) || (yoffset
& 3)) {
1831 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1832 "glTexSubImage%D(xoffset or yoffset)", dimensions
);
1835 /* size must be multiple of 4 or equal to whole texture size */
1836 if ((width
& 3) && (GLuint
) width
!= destTex
->Width
) {
1837 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1838 "glTexSubImage%D(width)", dimensions
);
1841 if ((height
& 3) && (GLuint
) height
!= destTex
->Height
) {
1842 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1843 "glTexSubImage%D(width)", dimensions
);
1853 * Test glCopyTexImage[12]D() parameters for errors.
1855 * \param ctx GL context.
1856 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1857 * \param target texture target given by the user.
1858 * \param level image level given by the user.
1859 * \param internalFormat internal format given by the user.
1860 * \param width image width given by the user.
1861 * \param height image height given by the user.
1862 * \param depth image depth given by the user.
1863 * \param border texture border.
1865 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1867 * Verifies each of the parameters against the constants specified in
1868 * __GLcontextRec::Const and the supported extensions, and according to the
1869 * OpenGL specification.
1872 copytexture_error_check( GLcontext
*ctx
, GLuint dimensions
,
1873 GLenum target
, GLint level
, GLint internalFormat
,
1874 GLint width
, GLint height
, GLint border
)
1880 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1881 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
1882 _mesa_error(ctx
, GL_INVALID_VALUE
,
1883 "glCopyTexImage%dD(level=%d)", dimensions
, level
);
1887 /* Check that the source buffer is complete */
1888 if (ctx
->ReadBuffer
->Name
) {
1889 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
1890 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
1891 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
1892 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
1898 if (border
< 0 || border
> 1 ||
1899 ((target
== GL_TEXTURE_RECTANGLE_NV
||
1900 target
== GL_PROXY_TEXTURE_RECTANGLE_NV
) && border
!= 0)) {
1904 format
= _mesa_base_tex_format(ctx
, internalFormat
);
1906 _mesa_error(ctx
, GL_INVALID_VALUE
,
1907 "glCopyTexImage%dD(internalFormat)", dimensions
);
1911 /* NOTE: the format and type aren't really significant for
1912 * TestProxyTexImage(). Only the internalformat really matters.
1913 if (!_mesa_source_buffer_exists(ctx, format)) {
1914 _mesa_error(ctx, GL_INVALID_OPERATION,
1915 "glCopyTexImage%dD(missing readbuffer)", dimensions);
1922 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1923 * level, width, height and depth.
1925 if (dimensions
== 1) {
1926 if (target
== GL_TEXTURE_1D
) {
1927 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_1D
,
1928 level
, internalFormat
,
1930 width
, 1, 1, border
);
1933 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage1D(target)" );
1937 else if (dimensions
== 2) {
1938 if (target
== GL_TEXTURE_2D
) {
1939 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_2D
,
1940 level
, internalFormat
,
1942 width
, height
, 1, border
);
1944 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1945 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
1946 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1947 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1950 sizeOK
= (width
== height
) &&
1951 ctx
->Driver
.TestProxyTexImage(ctx
, GL_PROXY_TEXTURE_CUBE_MAP_ARB
,
1952 level
, internalFormat
, format
, type
,
1953 width
, height
, 1, border
);
1955 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
1956 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1957 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1960 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1961 GL_PROXY_TEXTURE_RECTANGLE_NV
,
1962 level
, internalFormat
,
1964 width
, height
, 1, border
);
1966 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
1967 if (!ctx
->Extensions
.MESA_texture_array
) {
1968 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)");
1971 sizeOK
= ctx
->Driver
.TestProxyTexImage(ctx
,
1972 GL_PROXY_TEXTURE_1D_ARRAY_EXT
,
1973 level
, internalFormat
,
1975 width
, height
, 1, border
);
1978 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexImage2D(target)" );
1983 _mesa_problem(ctx
, "invalid dimensions in copytexture_error_check");
1988 if (dimensions
== 1) {
1989 _mesa_error(ctx
, GL_INVALID_VALUE
,
1990 "glCopyTexImage1D(width=%d)", width
);
1993 ASSERT(dimensions
== 2);
1994 _mesa_error(ctx
, GL_INVALID_VALUE
,
1995 "glCopyTexImage2D(width=%d, height=%d)", width
, height
);
2000 if (is_compressed_format(ctx
, internalFormat
)) {
2001 if (!target_can_be_compressed(ctx
, target
)) {
2002 _mesa_error(ctx
, GL_INVALID_ENUM
,
2003 "glCopyTexImage%d(target)", dimensions
);
2007 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2008 "glCopyTexImage%D(border!=0)", dimensions
);
2012 else if (is_depth_format(internalFormat
)) {
2013 /* make sure we have depth/stencil buffers */
2014 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
2015 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2016 "glCopyTexImage%D(no depth)", dimensions
);
2020 else if (is_depthstencil_format(internalFormat
)) {
2021 /* make sure we have depth/stencil buffers */
2022 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
2023 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2024 "glCopyTexImage%D(no depth/stencil buffer)", dimensions
);
2029 /* if we get here, the parameters are OK */
2035 * Test glCopyTexSubImage[12]D() parameters for errors.
2037 * \param ctx GL context.
2038 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2039 * \param target texture target given by the user.
2040 * \param level image level given by the user.
2041 * \param xoffset sub-image x offset given by the user.
2042 * \param yoffset sub-image y offset given by the user.
2043 * \param zoffset sub-image z offset given by the user.
2044 * \param width image width given by the user.
2045 * \param height image height given by the user.
2047 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2049 * Verifies each of the parameters against the constants specified in
2050 * __GLcontextRec::Const and the supported extensions, and according to the
2051 * OpenGL specification.
2054 copytexsubimage_error_check( GLcontext
*ctx
, GLuint dimensions
,
2055 GLenum target
, GLint level
,
2056 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2057 GLsizei width
, GLsizei height
)
2060 /* Check that the source buffer is complete */
2061 if (ctx
->ReadBuffer
->Name
) {
2062 _mesa_test_framebuffer_completeness(ctx
, ctx
->ReadBuffer
);
2063 if (ctx
->ReadBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2064 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2065 "glCopyTexImage%dD(invalid readbuffer)", dimensions
);
2070 if (dimensions
== 1) {
2071 if (target
!= GL_TEXTURE_1D
) {
2072 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage1D(target)" );
2076 else if (dimensions
== 2) {
2077 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
2078 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
2079 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
2080 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2084 else if (target
== GL_TEXTURE_RECTANGLE_NV
) {
2085 if (!ctx
->Extensions
.NV_texture_rectangle
) {
2086 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2090 else if (target
== GL_TEXTURE_1D_ARRAY_EXT
) {
2091 if (!ctx
->Extensions
.MESA_texture_array
) {
2092 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2096 else if (target
!= GL_TEXTURE_2D
) {
2097 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage2D(target)" );
2101 else if (dimensions
== 3) {
2102 if (((target
!= GL_TEXTURE_2D_ARRAY_EXT
) ||
2103 (!ctx
->Extensions
.MESA_texture_array
))
2104 && (target
!= GL_TEXTURE_3D
)) {
2105 _mesa_error( ctx
, GL_INVALID_ENUM
, "glCopyTexSubImage3D(target)" );
2111 if (level
< 0 || level
>= MAX_TEXTURE_LEVELS
) {
2112 _mesa_error(ctx
, GL_INVALID_VALUE
,
2113 "glCopyTexSubImage%dD(level=%d)", dimensions
, level
);
2119 _mesa_error(ctx
, GL_INVALID_VALUE
,
2120 "glCopyTexSubImage%dD(width=%d)", dimensions
, width
);
2123 if (dimensions
> 1 && height
< 0) {
2124 _mesa_error(ctx
, GL_INVALID_VALUE
,
2125 "glCopyTexSubImage%dD(height=%d)", dimensions
, height
);
2133 copytexsubimage_error_check2( GLcontext
*ctx
, GLuint dimensions
,
2134 GLenum target
, GLint level
,
2135 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2136 GLsizei width
, GLsizei height
,
2137 const struct gl_texture_image
*teximage
)
2140 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2141 "glCopyTexSubImage%dD(undefined texture level: %d)",
2146 if (xoffset
< -((GLint
)teximage
->Border
)) {
2147 _mesa_error(ctx
, GL_INVALID_VALUE
,
2148 "glCopyTexSubImage%dD(xoffset=%d)", dimensions
, xoffset
);
2151 if (xoffset
+ width
> (GLint
) (teximage
->Width
+ teximage
->Border
)) {
2152 _mesa_error(ctx
, GL_INVALID_VALUE
,
2153 "glCopyTexSubImage%dD(xoffset+width)", dimensions
);
2156 if (dimensions
> 1) {
2157 if (yoffset
< -((GLint
)teximage
->Border
)) {
2158 _mesa_error(ctx
, GL_INVALID_VALUE
,
2159 "glCopyTexSubImage%dD(yoffset=%d)", dimensions
, yoffset
);
2162 /* NOTE: we're adding the border here, not subtracting! */
2163 if (yoffset
+ height
> (GLint
) (teximage
->Height
+ teximage
->Border
)) {
2164 _mesa_error(ctx
, GL_INVALID_VALUE
,
2165 "glCopyTexSubImage%dD(yoffset+height)", dimensions
);
2170 if (dimensions
> 2) {
2171 if (zoffset
< -((GLint
)teximage
->Border
)) {
2172 _mesa_error(ctx
, GL_INVALID_VALUE
,
2173 "glCopyTexSubImage%dD(zoffset)", dimensions
);
2176 if (zoffset
> (GLint
) (teximage
->Depth
+ teximage
->Border
)) {
2177 _mesa_error(ctx
, GL_INVALID_VALUE
,
2178 "glCopyTexSubImage%dD(zoffset+depth)", dimensions
);
2183 if (teximage
->IsCompressed
) {
2184 if (!target_can_be_compressed(ctx
, target
)) {
2185 _mesa_error(ctx
, GL_INVALID_ENUM
,
2186 "glCopyTexSubImage%d(target)", dimensions
);
2189 /* offset must be multiple of 4 */
2190 if ((xoffset
& 3) || (yoffset
& 3)) {
2191 _mesa_error(ctx
, GL_INVALID_VALUE
,
2192 "glCopyTexSubImage%D(xoffset or yoffset)", dimensions
);
2195 /* size must be multiple of 4 */
2196 if ((width
& 3) != 0 && (GLuint
) width
!= teximage
->Width
) {
2197 _mesa_error(ctx
, GL_INVALID_VALUE
,
2198 "glCopyTexSubImage%D(width)", dimensions
);
2201 if ((height
& 3) != 0 && (GLuint
) height
!= teximage
->Height
) {
2202 _mesa_error(ctx
, GL_INVALID_VALUE
,
2203 "glCopyTexSubImage%D(height)", dimensions
);
2208 if (teximage
->InternalFormat
== GL_YCBCR_MESA
) {
2209 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glCopyTexSubImage2D");
2213 if (!_mesa_source_buffer_exists(ctx
, teximage
->_BaseFormat
)) {
2214 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2215 "glCopyTexSubImage%dD(missing readbuffer)", dimensions
);
2219 if (teximage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2220 if (!ctx
->ReadBuffer
->_DepthBuffer
) {
2221 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2222 "glCopyTexSubImage%D(no depth buffer)",
2227 else if (teximage
->_BaseFormat
== GL_DEPTH_STENCIL_EXT
) {
2228 if (!ctx
->ReadBuffer
->_DepthBuffer
|| !ctx
->ReadBuffer
->_StencilBuffer
) {
2229 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2230 "glCopyTexSubImage%D(no depth/stencil buffer)",
2236 /* if we get here, the parameters are OK */
2242 * Get texture image. Called by glGetTexImage.
2244 * \param target texture target.
2245 * \param level image level.
2246 * \param format pixel data format for returned image.
2247 * \param type pixel data type for returned image.
2248 * \param pixels returned pixel data.
2251 _mesa_GetTexImage( GLenum target
, GLint level
, GLenum format
,
2252 GLenum type
, GLvoid
*pixels
)
2254 const struct gl_texture_unit
*texUnit
;
2255 struct gl_texture_object
*texObj
;
2256 struct gl_texture_image
*texImage
;
2257 GLint maxLevels
= 0;
2258 GET_CURRENT_CONTEXT(ctx
);
2259 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2261 texUnit
= &(ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]);
2262 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2263 if (!texObj
|| _mesa_is_proxy_texture(target
)) {
2264 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexImage(target)");
2268 maxLevels
= _mesa_max_texture_levels(ctx
, target
);
2269 ASSERT(maxLevels
> 0); /* 0 indicates bad target, caught above */
2271 if (level
< 0 || level
>= maxLevels
) {
2272 _mesa_error( ctx
, GL_INVALID_VALUE
, "glGetTexImage(level)" );
2276 if (_mesa_sizeof_packed_type(type
) <= 0) {
2277 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexImage(type)" );
2281 if (_mesa_components_in_format(format
) <= 0 ||
2282 format
== GL_STENCIL_INDEX
) {
2283 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexImage(format)" );
2287 if (!ctx
->Extensions
.EXT_paletted_texture
&& is_index_format(format
)) {
2288 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexImage(format)");
2292 if (!ctx
->Extensions
.SGIX_depth_texture
&&
2293 !ctx
->Extensions
.ARB_depth_texture
&& is_depth_format(format
)) {
2294 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexImage(format)");
2298 if (!ctx
->Extensions
.MESA_ycbcr_texture
&& is_ycbcr_format(format
)) {
2299 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexImage(format)");
2303 if (!ctx
->Extensions
.EXT_packed_depth_stencil
2304 && is_depthstencil_format(format
)) {
2305 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexImage(format)");
2309 _mesa_lock_texture(ctx
, texObj
);
2311 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2313 /* invalid mipmap level, not an error */
2318 /* Make sure the requested image format is compatible with the
2319 * texture's format. Note that a color index texture can be converted
2320 * to RGBA so that combo is allowed.
2322 if (is_color_format(format
)
2323 && !is_color_format(texImage
->TexFormat
->BaseFormat
)
2324 && !is_index_format(texImage
->TexFormat
->BaseFormat
)) {
2325 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTexImage(format mismatch)");
2328 else if (is_index_format(format
)
2329 && !is_index_format(texImage
->TexFormat
->BaseFormat
)) {
2330 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTexImage(format mismatch)");
2333 else if (is_depth_format(format
)
2334 && !is_depth_format(texImage
->TexFormat
->BaseFormat
)
2335 && !is_depthstencil_format(texImage
->TexFormat
->BaseFormat
)) {
2336 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTexImage(format mismatch)");
2339 else if (is_ycbcr_format(format
)
2340 && !is_ycbcr_format(texImage
->TexFormat
->BaseFormat
)) {
2341 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTexImage(format mismatch)");
2344 else if (is_depthstencil_format(format
)
2345 && !is_depthstencil_format(texImage
->TexFormat
->BaseFormat
)) {
2346 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTexImage(format mismatch)");
2350 if (ctx
->Pack
.BufferObj
->Name
) {
2351 /* packing texture image into a PBO */
2352 const GLuint dimensions
= (target
== GL_TEXTURE_3D
) ? 3 : 2;
2353 if (!_mesa_validate_pbo_access(dimensions
, &ctx
->Pack
, texImage
->Width
,
2354 texImage
->Height
, texImage
->Depth
,
2355 format
, type
, pixels
)) {
2356 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2357 "glGetTexImage(invalid PBO access)");
2362 /* typically, this will call _mesa_get_teximage() */
2363 ctx
->Driver
.GetTexImage(ctx
, target
, level
, format
, type
, pixels
,
2368 _mesa_unlock_texture(ctx
, texObj
);
2374 * Check if the given texture image is bound to any framebuffer objects
2375 * and update/invalidate them.
2376 * XXX We're only checking the currently bound framebuffer object for now.
2377 * In the future, perhaps struct gl_texture_image should have a pointer (or
2378 * list of pointers (yikes)) to the gl_framebuffer(s) which it's bound to.
2381 update_fbo_texture(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
2382 GLuint face
, GLuint level
)
2384 if (ctx
->DrawBuffer
->Name
) {
2386 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
2387 struct gl_renderbuffer_attachment
*att
=
2388 ctx
->DrawBuffer
->Attachment
+ i
;
2389 if (att
->Type
== GL_TEXTURE
&&
2390 att
->Texture
== texObj
&&
2391 att
->TextureLevel
== level
&&
2392 att
->CubeMapFace
== face
) {
2393 ASSERT(att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
]);
2394 /* Tell driver about the new renderbuffer texture */
2395 ctx
->Driver
.RenderTexture(ctx
, ctx
->DrawBuffer
, att
);
2404 * Called from the API. Note that width includes the border.
2407 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalFormat
,
2408 GLsizei width
, GLint border
, GLenum format
,
2409 GLenum type
, const GLvoid
*pixels
)
2411 GLsizei postConvWidth
= width
;
2412 GET_CURRENT_CONTEXT(ctx
);
2413 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2415 if (is_color_format(internalFormat
)) {
2416 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2419 if (target
== GL_TEXTURE_1D
) {
2420 /* non-proxy target */
2421 struct gl_texture_unit
*texUnit
;
2422 struct gl_texture_object
*texObj
;
2423 struct gl_texture_image
*texImage
;
2424 const GLuint face
= texture_face(target
);
2426 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2427 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2428 return; /* error was recorded */
2431 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2432 _mesa_update_state(ctx
);
2434 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2435 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2436 _mesa_lock_texture(ctx
, texObj
);
2438 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2440 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage1D");
2444 if (texImage
->Data
) {
2445 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2448 ASSERT(texImage
->Data
== NULL
);
2450 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2451 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2452 postConvWidth
, 1, 1,
2453 border
, internalFormat
);
2455 ASSERT(ctx
->Driver
.TexImage1D
);
2457 /* Give the texture to the driver! <pixels> may be null! */
2458 (*ctx
->Driver
.TexImage1D
)(ctx
, target
, level
, internalFormat
,
2459 width
, border
, format
, type
, pixels
,
2460 &ctx
->Unpack
, texObj
, texImage
);
2462 ASSERT(texImage
->TexFormat
);
2464 update_fbo_texture(ctx
, texObj
, face
, level
);
2467 texObj
->_Complete
= GL_FALSE
;
2468 ctx
->NewState
|= _NEW_TEXTURE
;
2471 _mesa_unlock_texture(ctx
, texObj
);
2473 else if (target
== GL_PROXY_TEXTURE_1D
) {
2474 /* Proxy texture: check for errors and update proxy state */
2475 struct gl_texture_image
*texImage
;
2476 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2477 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2478 format
, type
, 1, postConvWidth
, 1, 1, border
)) {
2479 /* when error, clear all proxy texture image parameters */
2481 clear_teximage_fields(texImage
);
2484 /* no error, set the tex image parameters */
2486 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2487 postConvWidth
, 1, 1,
2488 border
, internalFormat
);
2489 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2490 internalFormat
, format
, type
);
2494 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage1D(target)" );
2501 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalFormat
,
2502 GLsizei width
, GLsizei height
, GLint border
,
2503 GLenum format
, GLenum type
,
2504 const GLvoid
*pixels
)
2506 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2507 GET_CURRENT_CONTEXT(ctx
);
2508 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2510 if (is_color_format(internalFormat
)) {
2511 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2515 if (target
== GL_TEXTURE_2D
||
2516 (ctx
->Extensions
.ARB_texture_cube_map
&&
2517 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
2518 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) ||
2519 (ctx
->Extensions
.NV_texture_rectangle
&&
2520 target
== GL_TEXTURE_RECTANGLE_NV
) ||
2521 (ctx
->Extensions
.MESA_texture_array
&&
2522 target
== GL_TEXTURE_1D_ARRAY_EXT
)) {
2523 /* non-proxy target */
2524 struct gl_texture_unit
*texUnit
;
2525 struct gl_texture_object
*texObj
;
2526 struct gl_texture_image
*texImage
;
2527 const GLuint face
= texture_face(target
);
2529 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2530 format
, type
, 2, postConvWidth
, postConvHeight
,
2532 return; /* error was recorded */
2535 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2536 _mesa_update_state(ctx
);
2538 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2539 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2540 _mesa_lock_texture(ctx
, texObj
);
2542 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2544 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage2D");
2548 if (texImage
->Data
) {
2549 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2552 ASSERT(texImage
->Data
== NULL
);
2553 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2554 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2555 postConvWidth
, postConvHeight
, 1,
2556 border
, internalFormat
);
2558 ASSERT(ctx
->Driver
.TexImage2D
);
2560 /* Give the texture to the driver! <pixels> may be null! */
2561 (*ctx
->Driver
.TexImage2D
)(ctx
, target
, level
, internalFormat
,
2562 width
, height
, border
, format
, type
, pixels
,
2563 &ctx
->Unpack
, texObj
, texImage
);
2565 ASSERT(texImage
->TexFormat
);
2567 update_fbo_texture(ctx
, texObj
, face
, level
);
2570 texObj
->_Complete
= GL_FALSE
;
2571 ctx
->NewState
|= _NEW_TEXTURE
;
2574 _mesa_unlock_texture(ctx
, texObj
);
2576 else if (target
== GL_PROXY_TEXTURE_2D
||
2577 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
2578 ctx
->Extensions
.ARB_texture_cube_map
) ||
2579 (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
&&
2580 ctx
->Extensions
.NV_texture_rectangle
) ||
2581 (ctx
->Extensions
.MESA_texture_array
&&
2582 target
== GL_PROXY_TEXTURE_1D_ARRAY_EXT
)) {
2583 /* Proxy texture: check for errors and update proxy state */
2584 struct gl_texture_image
*texImage
;
2585 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2586 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2587 format
, type
, 2, postConvWidth
, postConvHeight
,
2589 /* when error, clear all proxy texture image parameters */
2591 clear_teximage_fields(ctx
->Texture
.ProxyTex
[TEXTURE_2D_INDEX
]->Image
[0][level
]);
2594 /* no error, set the tex image parameters */
2595 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2596 postConvWidth
, postConvHeight
, 1,
2597 border
, internalFormat
);
2598 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2599 internalFormat
, format
, type
);
2603 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage2D(target)" );
2610 * Called by the API or display list executor.
2611 * Note that width and height include the border.
2614 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalFormat
,
2615 GLsizei width
, GLsizei height
, GLsizei depth
,
2616 GLint border
, GLenum format
, GLenum type
,
2617 const GLvoid
*pixels
)
2619 GET_CURRENT_CONTEXT(ctx
);
2620 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2622 if (target
== GL_TEXTURE_3D
||
2623 (ctx
->Extensions
.MESA_texture_array
&&
2624 target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
2625 /* non-proxy target */
2626 struct gl_texture_unit
*texUnit
;
2627 struct gl_texture_object
*texObj
;
2628 struct gl_texture_image
*texImage
;
2629 const GLuint face
= texture_face(target
);
2631 if (texture_error_check(ctx
, target
, level
, (GLint
) internalFormat
,
2632 format
, type
, 3, width
, height
, depth
, border
)) {
2633 return; /* error was recorded */
2636 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2637 _mesa_update_state(ctx
);
2639 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2640 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2641 _mesa_lock_texture(ctx
, texObj
);
2643 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2645 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage3D");
2649 if (texImage
->Data
) {
2650 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2653 ASSERT(texImage
->Data
== NULL
);
2654 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2655 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2656 width
, height
, depth
,
2657 border
, internalFormat
);
2659 ASSERT(ctx
->Driver
.TexImage3D
);
2661 /* Give the texture to the driver! <pixels> may be null! */
2662 (*ctx
->Driver
.TexImage3D
)(ctx
, target
, level
, internalFormat
,
2663 width
, height
, depth
, border
, format
, type
,
2664 pixels
, &ctx
->Unpack
, texObj
, texImage
);
2666 ASSERT(texImage
->TexFormat
);
2668 update_fbo_texture(ctx
, texObj
, face
, level
);
2671 texObj
->_Complete
= GL_FALSE
;
2672 ctx
->NewState
|= _NEW_TEXTURE
;
2675 _mesa_unlock_texture(ctx
, texObj
);
2677 else if (target
== GL_PROXY_TEXTURE_3D
||
2678 (ctx
->Extensions
.MESA_texture_array
&&
2679 target
== GL_PROXY_TEXTURE_2D_ARRAY_EXT
)) {
2680 /* Proxy texture: check for errors and update proxy state */
2681 struct gl_texture_image
*texImage
;
2682 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
2683 if (texture_error_check(ctx
, target
, level
, internalFormat
,
2684 format
, type
, 3, width
, height
, depth
, border
)) {
2685 /* when error, clear all proxy texture image parameters */
2687 clear_teximage_fields(texImage
);
2690 /* no error, set the tex image parameters */
2691 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
2692 depth
, border
, internalFormat
);
2693 texImage
->TexFormat
= (*ctx
->Driver
.ChooseTextureFormat
)(ctx
,
2694 internalFormat
, format
, type
);
2698 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexImage3D(target)" );
2705 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalFormat
,
2706 GLsizei width
, GLsizei height
, GLsizei depth
,
2707 GLint border
, GLenum format
, GLenum type
,
2708 const GLvoid
*pixels
)
2710 _mesa_TexImage3D(target
, level
, (GLint
) internalFormat
, width
, height
,
2711 depth
, border
, format
, type
, pixels
);
2717 _mesa_TexSubImage1D( GLenum target
, GLint level
,
2718 GLint xoffset
, GLsizei width
,
2719 GLenum format
, GLenum type
,
2720 const GLvoid
*pixels
)
2722 GLsizei postConvWidth
= width
;
2723 struct gl_texture_unit
*texUnit
;
2724 struct gl_texture_object
*texObj
;
2725 struct gl_texture_image
*texImage
= NULL
;
2726 GET_CURRENT_CONTEXT(ctx
);
2727 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2729 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2730 _mesa_update_state(ctx
);
2732 /* XXX should test internal format */
2733 if (is_color_format(format
)) {
2734 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2737 if (subtexture_error_check(ctx
, 1, target
, level
, xoffset
, 0, 0,
2738 postConvWidth
, 1, 1, format
, type
)) {
2739 return; /* error was detected */
2743 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2744 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2747 _mesa_lock_texture(ctx
, texObj
);
2749 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2751 if (subtexture_error_check2(ctx
, 1, target
, level
, xoffset
, 0, 0,
2752 postConvWidth
, 1, 1, format
, type
, texImage
)) {
2753 goto out
; /* error was detected */
2757 goto out
; /* no-op, not an error */
2759 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2760 xoffset
+= texImage
->Border
;
2762 ASSERT(ctx
->Driver
.TexSubImage1D
);
2763 (*ctx
->Driver
.TexSubImage1D
)(ctx
, target
, level
, xoffset
, width
,
2764 format
, type
, pixels
, &ctx
->Unpack
,
2766 ctx
->NewState
|= _NEW_TEXTURE
;
2769 _mesa_unlock_texture(ctx
, texObj
);
2774 _mesa_TexSubImage2D( GLenum target
, GLint level
,
2775 GLint xoffset
, GLint yoffset
,
2776 GLsizei width
, GLsizei height
,
2777 GLenum format
, GLenum type
,
2778 const GLvoid
*pixels
)
2780 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2781 struct gl_texture_unit
*texUnit
;
2782 struct gl_texture_object
*texObj
;
2783 struct gl_texture_image
*texImage
;
2784 GET_CURRENT_CONTEXT(ctx
);
2785 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2787 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2788 _mesa_update_state(ctx
);
2790 /* XXX should test internal format */
2791 if (is_color_format(format
)) {
2792 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2796 if (subtexture_error_check(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
2797 postConvWidth
, postConvHeight
, 1, format
, type
)) {
2798 return; /* error was detected */
2801 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2802 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2803 _mesa_lock_texture(ctx
, texObj
);
2805 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
2807 if (subtexture_error_check2(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
2808 postConvWidth
, postConvHeight
, 1, format
, type
,
2810 goto out
; /* error was detected */
2813 if (width
== 0 || height
== 0)
2814 goto out
; /* no-op, not an error */
2816 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2817 xoffset
+= texImage
->Border
;
2818 yoffset
+= texImage
->Border
;
2820 ASSERT(ctx
->Driver
.TexSubImage2D
);
2821 (*ctx
->Driver
.TexSubImage2D
)(ctx
, target
, level
, xoffset
, yoffset
,
2822 width
, height
, format
, type
, pixels
,
2823 &ctx
->Unpack
, texObj
, texImage
);
2824 ctx
->NewState
|= _NEW_TEXTURE
;
2827 _mesa_unlock_texture(ctx
, texObj
);
2833 _mesa_TexSubImage3D( GLenum target
, GLint level
,
2834 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2835 GLsizei width
, GLsizei height
, GLsizei depth
,
2836 GLenum format
, GLenum type
,
2837 const GLvoid
*pixels
)
2839 struct gl_texture_unit
*texUnit
;
2840 struct gl_texture_object
*texObj
;
2841 struct gl_texture_image
*texImage
;
2842 GET_CURRENT_CONTEXT(ctx
);
2843 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2845 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2846 _mesa_update_state(ctx
);
2848 if (subtexture_error_check(ctx
, 3, target
, level
, xoffset
, yoffset
, zoffset
,
2849 width
, height
, depth
, format
, type
)) {
2850 return; /* error was detected */
2853 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
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 (subtexture_error_check2(ctx
, 3, target
, level
, xoffset
, yoffset
, zoffset
,
2861 width
, height
, depth
, format
, type
, texImage
)) {
2862 goto out
; /* error was detected */
2865 if (width
== 0 || height
== 0 || height
== 0)
2866 goto out
; /* no-op, not an error */
2868 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2869 xoffset
+= texImage
->Border
;
2870 yoffset
+= texImage
->Border
;
2871 zoffset
+= texImage
->Border
;
2873 ASSERT(ctx
->Driver
.TexSubImage3D
);
2874 (*ctx
->Driver
.TexSubImage3D
)(ctx
, target
, level
,
2875 xoffset
, yoffset
, zoffset
,
2876 width
, height
, depth
,
2877 format
, type
, pixels
,
2878 &ctx
->Unpack
, texObj
, texImage
);
2879 ctx
->NewState
|= _NEW_TEXTURE
;
2882 _mesa_unlock_texture(ctx
, texObj
);
2888 _mesa_CopyTexImage1D( GLenum target
, GLint level
,
2889 GLenum internalFormat
,
2891 GLsizei width
, GLint border
)
2893 struct gl_texture_unit
*texUnit
;
2894 struct gl_texture_object
*texObj
;
2895 struct gl_texture_image
*texImage
;
2896 GLsizei postConvWidth
= width
;
2897 const GLuint face
= texture_face(target
);
2898 GET_CURRENT_CONTEXT(ctx
);
2899 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2901 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2902 _mesa_update_state(ctx
);
2904 if (is_color_format(internalFormat
)) {
2905 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
2908 if (copytexture_error_check(ctx
, 1, target
, level
, internalFormat
,
2909 postConvWidth
, 1, border
))
2912 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2913 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2914 _mesa_lock_texture(ctx
, texObj
);
2916 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2918 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage1D");
2922 if (texImage
->Data
) {
2923 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2926 ASSERT(texImage
->Data
== NULL
);
2928 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2929 _mesa_init_teximage_fields(ctx
, target
, texImage
, postConvWidth
, 1, 1,
2930 border
, internalFormat
);
2933 ASSERT(ctx
->Driver
.CopyTexImage1D
);
2934 (*ctx
->Driver
.CopyTexImage1D
)(ctx
, target
, level
, internalFormat
,
2935 x
, y
, width
, border
);
2937 ASSERT(texImage
->TexFormat
);
2939 update_fbo_texture(ctx
, texObj
, face
, level
);
2942 texObj
->_Complete
= GL_FALSE
;
2943 ctx
->NewState
|= _NEW_TEXTURE
;
2946 _mesa_unlock_texture(ctx
, texObj
);
2952 _mesa_CopyTexImage2D( GLenum target
, GLint level
, GLenum internalFormat
,
2953 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
2956 struct gl_texture_unit
*texUnit
;
2957 struct gl_texture_object
*texObj
;
2958 struct gl_texture_image
*texImage
;
2959 GLsizei postConvWidth
= width
, postConvHeight
= height
;
2960 const GLuint face
= texture_face(target
);
2961 GET_CURRENT_CONTEXT(ctx
);
2962 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
2964 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
2965 _mesa_update_state(ctx
);
2967 if (is_color_format(internalFormat
)) {
2968 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
,
2972 if (copytexture_error_check(ctx
, 2, target
, level
, internalFormat
,
2973 postConvWidth
, postConvHeight
, border
))
2976 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
2977 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
2979 _mesa_lock_texture(ctx
, texObj
);
2981 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
2984 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexImage2D");
2988 if (texImage
->Data
) {
2989 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
2992 ASSERT(texImage
->Data
== NULL
);
2994 clear_teximage_fields(texImage
); /* not really needed, but helpful */
2995 _mesa_init_teximage_fields(ctx
, target
, texImage
,
2996 postConvWidth
, postConvHeight
, 1,
2997 border
, internalFormat
);
2999 ASSERT(ctx
->Driver
.CopyTexImage2D
);
3000 (*ctx
->Driver
.CopyTexImage2D
)(ctx
, target
, level
, internalFormat
,
3001 x
, y
, width
, height
, border
);
3003 ASSERT(texImage
->TexFormat
);
3005 update_fbo_texture(ctx
, texObj
, face
, level
);
3008 texObj
->_Complete
= GL_FALSE
;
3009 ctx
->NewState
|= _NEW_TEXTURE
;
3012 _mesa_unlock_texture(ctx
, texObj
);
3017 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
,
3018 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
3020 struct gl_texture_unit
*texUnit
;
3021 struct gl_texture_object
*texObj
;
3022 struct gl_texture_image
*texImage
;
3023 GLsizei postConvWidth
= width
;
3024 GET_CURRENT_CONTEXT(ctx
);
3025 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3027 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
3028 _mesa_update_state(ctx
);
3030 /* XXX should test internal format */
3031 _mesa_adjust_image_for_convolution(ctx
, 1, &postConvWidth
, NULL
);
3033 if (copytexsubimage_error_check(ctx
, 1, target
, level
,
3034 xoffset
, 0, 0, postConvWidth
, 1))
3037 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3038 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3040 _mesa_lock_texture(ctx
, texObj
);
3042 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3044 if (copytexsubimage_error_check2(ctx
, 1, target
, level
,
3045 xoffset
, 0, 0, postConvWidth
, 1,
3050 /* If we have a border, xoffset=-1 is legal. Bias by border width */
3051 xoffset
+= texImage
->Border
;
3053 ASSERT(ctx
->Driver
.CopyTexSubImage1D
);
3054 (*ctx
->Driver
.CopyTexSubImage1D
)(ctx
, target
, level
, xoffset
, x
, y
, width
);
3055 ctx
->NewState
|= _NEW_TEXTURE
;
3058 _mesa_unlock_texture(ctx
, texObj
);
3064 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
3065 GLint xoffset
, GLint yoffset
,
3066 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3068 struct gl_texture_unit
*texUnit
;
3069 struct gl_texture_object
*texObj
;
3070 struct gl_texture_image
*texImage
;
3071 GLsizei postConvWidth
= width
, postConvHeight
= height
;
3072 GET_CURRENT_CONTEXT(ctx
);
3073 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3075 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
3076 _mesa_update_state(ctx
);
3078 /* XXX should test internal format */
3079 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
, &postConvHeight
);
3081 if (copytexsubimage_error_check(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
3082 postConvWidth
, postConvHeight
))
3085 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3086 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3088 _mesa_lock_texture(ctx
, texObj
);
3090 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3092 if (copytexsubimage_error_check2(ctx
, 2, target
, level
, xoffset
, yoffset
, 0,
3093 postConvWidth
, postConvHeight
, texImage
))
3096 /* If we have a border, xoffset=-1 is legal. Bias by border width */
3097 xoffset
+= texImage
->Border
;
3098 yoffset
+= texImage
->Border
;
3100 ASSERT(ctx
->Driver
.CopyTexSubImage2D
);
3101 (*ctx
->Driver
.CopyTexSubImage2D
)(ctx
, target
, level
,
3102 xoffset
, yoffset
, x
, y
, width
, height
);
3103 ctx
->NewState
|= _NEW_TEXTURE
;
3106 _mesa_unlock_texture(ctx
, texObj
);
3112 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
3113 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3114 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
3116 struct gl_texture_unit
*texUnit
;
3117 struct gl_texture_object
*texObj
;
3118 struct gl_texture_image
*texImage
;
3119 GLsizei postConvWidth
= width
, postConvHeight
= height
;
3120 GET_CURRENT_CONTEXT(ctx
);
3121 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3123 if (ctx
->NewState
& _IMAGE_NEW_TRANSFER_STATE
)
3124 _mesa_update_state(ctx
);
3126 /* XXX should test internal format */
3127 _mesa_adjust_image_for_convolution(ctx
, 2, &postConvWidth
, &postConvHeight
);
3129 if (copytexsubimage_error_check(ctx
, 3, target
, level
, xoffset
, yoffset
,
3130 zoffset
, postConvWidth
, postConvHeight
))
3133 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3134 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3136 _mesa_lock_texture(ctx
, texObj
);
3138 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3140 if (copytexsubimage_error_check2(ctx
, 3, target
, level
, xoffset
, yoffset
,
3141 zoffset
, postConvWidth
, postConvHeight
,
3145 /* If we have a border, xoffset=-1 is legal. Bias by border width */
3146 xoffset
+= texImage
->Border
;
3147 yoffset
+= texImage
->Border
;
3148 zoffset
+= texImage
->Border
;
3150 ASSERT(ctx
->Driver
.CopyTexSubImage3D
);
3151 (*ctx
->Driver
.CopyTexSubImage3D
)(ctx
, target
, level
,
3152 xoffset
, yoffset
, zoffset
,
3153 x
, y
, width
, height
);
3154 ctx
->NewState
|= _NEW_TEXTURE
;
3157 _mesa_unlock_texture(ctx
, texObj
);
3163 /**********************************************************************/
3164 /****** Compressed Textures ******/
3165 /**********************************************************************/
3169 * Error checking for glCompressedTexImage[123]D().
3170 * \return error code or GL_NO_ERROR.
3173 compressed_texture_error_check(GLcontext
*ctx
, GLint dimensions
,
3174 GLenum target
, GLint level
,
3175 GLenum internalFormat
, GLsizei width
,
3176 GLsizei height
, GLsizei depth
, GLint border
,
3179 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3181 if (dimensions
== 1) {
3182 /* 1D compressed textures not allowed */
3183 return GL_INVALID_ENUM
;
3185 else if (dimensions
== 2) {
3186 if (target
== GL_PROXY_TEXTURE_2D
) {
3187 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3189 else if (target
== GL_TEXTURE_2D
) {
3190 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3192 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3193 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3194 return GL_INVALID_ENUM
; /*target*/
3195 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3197 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3198 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3199 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3200 return GL_INVALID_ENUM
; /*target*/
3201 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3204 return GL_INVALID_ENUM
; /*target*/
3207 else if (dimensions
== 3) {
3208 /* 3D compressed textures not allowed */
3209 return GL_INVALID_ENUM
;
3212 maxTextureSize
= 1 << (maxLevels
- 1);
3214 /* This will detect any invalid internalFormat value */
3215 if (!is_compressed_format(ctx
, internalFormat
))
3216 return GL_INVALID_ENUM
;
3218 /* This should really never fail */
3219 if (_mesa_base_tex_format(ctx
, internalFormat
) < 0)
3220 return GL_INVALID_ENUM
;
3223 return GL_INVALID_VALUE
;
3226 * XXX We should probably use the proxy texture error check function here.
3228 if (width
< 1 || width
> maxTextureSize
||
3229 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& _mesa_bitcount(width
) != 1))
3230 return GL_INVALID_VALUE
;
3232 if ((height
< 1 || height
> maxTextureSize
||
3233 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& _mesa_bitcount(height
) != 1))
3235 return GL_INVALID_VALUE
;
3237 if ((depth
< 1 || depth
> maxTextureSize
||
3238 (!ctx
->Extensions
.ARB_texture_non_power_of_two
&& _mesa_bitcount(depth
) != 1))
3240 return GL_INVALID_VALUE
;
3242 /* For cube map, width must equal height */
3243 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3244 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
&& width
!= height
)
3245 return GL_INVALID_VALUE
;
3247 if (level
< 0 || level
>= maxLevels
)
3248 return GL_INVALID_VALUE
;
3250 expectedSize
= _mesa_compressed_texture_size_glenum(ctx
, width
, height
,
3251 depth
, internalFormat
);
3252 if (expectedSize
!= imageSize
)
3253 return GL_INVALID_VALUE
;
3255 #if FEATURE_EXT_texture_sRGB
3256 if ((internalFormat
== GL_COMPRESSED_SRGB_S3TC_DXT1_EXT
||
3257 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
||
3258 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
||
3259 internalFormat
== GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
)
3261 return GL_INVALID_OPERATION
;
3270 * Error checking for glCompressedTexSubImage[123]D().
3271 * \warning There are some bad assumptions here about the size of compressed
3272 * texture tiles (multiple of 4) used to test the validity of the
3273 * offset and size parameters.
3274 * \return error code or GL_NO_ERROR.
3277 compressed_subtexture_error_check(GLcontext
*ctx
, GLint dimensions
,
3278 GLenum target
, GLint level
,
3279 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3280 GLsizei width
, GLsizei height
, GLsizei depth
,
3281 GLenum format
, GLsizei imageSize
)
3283 GLint expectedSize
, maxLevels
= 0, maxTextureSize
;
3286 if (dimensions
== 1) {
3287 /* 1D compressed textures not allowed */
3288 return GL_INVALID_ENUM
;
3290 else if (dimensions
== 2) {
3291 if (target
== GL_PROXY_TEXTURE_2D
) {
3292 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3294 else if (target
== GL_TEXTURE_2D
) {
3295 maxLevels
= ctx
->Const
.MaxTextureLevels
;
3297 else if (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) {
3298 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3299 return GL_INVALID_ENUM
; /*target*/
3300 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3302 else if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3303 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
) {
3304 if (!ctx
->Extensions
.ARB_texture_cube_map
)
3305 return GL_INVALID_ENUM
; /*target*/
3306 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
3309 return GL_INVALID_ENUM
; /*target*/
3312 else if (dimensions
== 3) {
3313 /* 3D compressed textures not allowed */
3314 return GL_INVALID_ENUM
;
3317 maxTextureSize
= 1 << (maxLevels
- 1);
3319 /* this will catch any invalid compressed format token */
3320 if (!is_compressed_format(ctx
, format
))
3321 return GL_INVALID_ENUM
;
3323 if (width
< 1 || width
> maxTextureSize
)
3324 return GL_INVALID_VALUE
;
3326 if ((height
< 1 || height
> maxTextureSize
)
3328 return GL_INVALID_VALUE
;
3330 if (level
< 0 || level
>= maxLevels
)
3331 return GL_INVALID_VALUE
;
3333 /* XXX these tests are specific to the compressed format.
3334 * this code should be generalized in some way.
3336 if ((xoffset
& 3) != 0 || (yoffset
& 3) != 0)
3337 return GL_INVALID_VALUE
;
3339 if ((width
& 3) != 0 && width
!= 2 && width
!= 1)
3340 return GL_INVALID_VALUE
;
3342 if ((height
& 3) != 0 && height
!= 2 && height
!= 1)
3343 return GL_INVALID_VALUE
;
3345 expectedSize
= _mesa_compressed_texture_size_glenum(ctx
, width
, height
,
3347 if (expectedSize
!= imageSize
)
3348 return GL_INVALID_VALUE
;
3356 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
3357 GLenum internalFormat
, GLsizei width
,
3358 GLint border
, GLsizei imageSize
,
3361 GET_CURRENT_CONTEXT(ctx
);
3362 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3364 if (target
== GL_TEXTURE_1D
) {
3365 /* non-proxy target */
3366 struct gl_texture_unit
*texUnit
;
3367 struct gl_texture_object
*texObj
;
3368 struct gl_texture_image
*texImage
;
3369 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3370 internalFormat
, width
, 1, 1, border
, imageSize
);
3372 _mesa_error(ctx
, error
, "glCompressedTexImage1D");
3376 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3377 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3379 _mesa_lock_texture(ctx
, texObj
);
3381 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3383 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage1D");
3387 if (texImage
->Data
) {
3388 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3390 ASSERT(texImage
->Data
== NULL
);
3392 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3393 border
, internalFormat
);
3395 ASSERT(ctx
->Driver
.CompressedTexImage1D
);
3396 (*ctx
->Driver
.CompressedTexImage1D
)(ctx
, target
, level
,
3397 internalFormat
, width
, border
,
3402 texObj
->_Complete
= GL_FALSE
;
3403 ctx
->NewState
|= _NEW_TEXTURE
;
3406 _mesa_unlock_texture(ctx
, texObj
);
3408 else if (target
== GL_PROXY_TEXTURE_1D
) {
3409 /* Proxy texture: check for errors and update proxy state */
3410 GLenum error
= compressed_texture_error_check(ctx
, 1, target
, level
,
3411 internalFormat
, width
, 1, 1, border
, imageSize
);
3413 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3414 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3415 internalFormat
, GL_NONE
, GL_NONE
,
3416 width
, 1, 1, border
);
3419 /* if error, clear all proxy texture image parameters */
3420 struct gl_texture_image
*texImage
;
3421 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3423 clear_teximage_fields(texImage
);
3426 /* store the teximage parameters */
3427 struct gl_texture_unit
*texUnit
;
3428 struct gl_texture_object
*texObj
;
3429 struct gl_texture_image
*texImage
;
3430 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3431 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3433 _mesa_lock_texture(ctx
, texObj
);
3435 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3436 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, 1, 1,
3437 border
, internalFormat
);
3439 _mesa_unlock_texture(ctx
, texObj
);
3443 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage1D(target)");
3450 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
3451 GLenum internalFormat
, GLsizei width
,
3452 GLsizei height
, GLint border
, GLsizei imageSize
,
3455 GET_CURRENT_CONTEXT(ctx
);
3456 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3458 if (target
== GL_TEXTURE_2D
||
3459 (ctx
->Extensions
.ARB_texture_cube_map
&&
3460 target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
3461 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)) {
3462 /* non-proxy target */
3463 struct gl_texture_unit
*texUnit
;
3464 struct gl_texture_object
*texObj
;
3465 struct gl_texture_image
*texImage
;
3466 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3467 internalFormat
, width
, height
, 1, border
, imageSize
);
3469 _mesa_error(ctx
, error
, "glCompressedTexImage2D");
3473 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3474 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3476 _mesa_lock_texture(ctx
, texObj
);
3478 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3480 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage2D");
3484 if (texImage
->Data
) {
3485 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3487 ASSERT(texImage
->Data
== NULL
);
3489 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3490 border
, internalFormat
);
3492 ASSERT(ctx
->Driver
.CompressedTexImage2D
);
3493 (*ctx
->Driver
.CompressedTexImage2D
)(ctx
, target
, level
,
3494 internalFormat
, width
, height
,
3495 border
, imageSize
, data
,
3499 texObj
->_Complete
= GL_FALSE
;
3500 ctx
->NewState
|= _NEW_TEXTURE
;
3503 _mesa_unlock_texture(ctx
, texObj
);
3505 else if (target
== GL_PROXY_TEXTURE_2D
||
3506 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
&&
3507 ctx
->Extensions
.ARB_texture_cube_map
)) {
3508 /* Proxy texture: check for errors and update proxy state */
3509 GLenum error
= compressed_texture_error_check(ctx
, 2, target
, level
,
3510 internalFormat
, width
, height
, 1, border
, imageSize
);
3512 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3513 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3514 internalFormat
, GL_NONE
, GL_NONE
,
3515 width
, height
, 1, border
);
3518 /* if error, clear all proxy texture image parameters */
3519 struct gl_texture_image
*texImage
;
3520 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3522 clear_teximage_fields(texImage
);
3525 /* store the teximage parameters */
3526 struct gl_texture_unit
*texUnit
;
3527 struct gl_texture_object
*texObj
;
3528 struct gl_texture_image
*texImage
;
3529 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3530 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3532 _mesa_lock_texture(ctx
, texObj
);
3534 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3535 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, 1,
3536 border
, internalFormat
);
3538 _mesa_unlock_texture(ctx
, texObj
);
3542 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage2D(target)");
3549 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
3550 GLenum internalFormat
, GLsizei width
,
3551 GLsizei height
, GLsizei depth
, GLint border
,
3552 GLsizei imageSize
, const GLvoid
*data
)
3554 GET_CURRENT_CONTEXT(ctx
);
3555 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3557 if (target
== GL_TEXTURE_3D
) {
3558 /* non-proxy target */
3559 struct gl_texture_unit
*texUnit
;
3560 struct gl_texture_object
*texObj
;
3561 struct gl_texture_image
*texImage
;
3562 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3563 internalFormat
, width
, height
, depth
, border
, imageSize
);
3565 _mesa_error(ctx
, error
, "glCompressedTexImage3D");
3569 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3570 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3571 _mesa_lock_texture(ctx
, texObj
);
3573 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
3575 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage3D");
3579 if (texImage
->Data
) {
3580 ctx
->Driver
.FreeTexImageData( ctx
, texImage
);
3582 ASSERT(texImage
->Data
== NULL
);
3584 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
, depth
,
3585 border
, internalFormat
);
3587 ASSERT(ctx
->Driver
.CompressedTexImage3D
);
3588 (*ctx
->Driver
.CompressedTexImage3D
)(ctx
, target
, level
,
3590 width
, height
, depth
,
3591 border
, imageSize
, data
,
3595 texObj
->_Complete
= GL_FALSE
;
3596 ctx
->NewState
|= _NEW_TEXTURE
;
3599 _mesa_unlock_texture(ctx
, texObj
);
3601 else if (target
== GL_PROXY_TEXTURE_3D
) {
3602 /* Proxy texture: check for errors and update proxy state */
3603 GLenum error
= compressed_texture_error_check(ctx
, 3, target
, level
,
3604 internalFormat
, width
, height
, depth
, border
, imageSize
);
3606 ASSERT(ctx
->Driver
.TestProxyTexImage
);
3607 error
= !(*ctx
->Driver
.TestProxyTexImage
)(ctx
, target
, level
,
3608 internalFormat
, GL_NONE
, GL_NONE
,
3609 width
, height
, depth
, border
);
3612 /* if error, clear all proxy texture image parameters */
3613 struct gl_texture_image
*texImage
;
3614 texImage
= _mesa_get_proxy_tex_image(ctx
, target
, level
);
3616 clear_teximage_fields(texImage
);
3619 /* store the teximage parameters */
3620 struct gl_texture_unit
*texUnit
;
3621 struct gl_texture_object
*texObj
;
3622 struct gl_texture_image
*texImage
;
3623 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3624 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3625 _mesa_lock_texture(ctx
, texObj
);
3627 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3628 _mesa_init_teximage_fields(ctx
, target
, texImage
, width
, height
,
3629 depth
, border
, internalFormat
);
3631 _mesa_unlock_texture(ctx
, texObj
);
3635 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCompressedTexImage3D(target)");
3642 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
3643 GLsizei width
, GLenum format
,
3644 GLsizei imageSize
, const GLvoid
*data
)
3646 struct gl_texture_unit
*texUnit
;
3647 struct gl_texture_object
*texObj
;
3648 struct gl_texture_image
*texImage
;
3650 GET_CURRENT_CONTEXT(ctx
);
3651 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3653 error
= compressed_subtexture_error_check(ctx
, 1, target
, level
,
3654 xoffset
, 0, 0, /* pos */
3655 width
, 1, 1, /* size */
3658 _mesa_error(ctx
, error
, "glCompressedTexSubImage1D");
3662 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3663 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3664 _mesa_lock_texture(ctx
, texObj
);
3666 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3669 if ((GLint
) format
!= texImage
->InternalFormat
) {
3670 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3671 "glCompressedTexSubImage1D(format)");
3675 if ((width
== 1 || width
== 2) && (GLuint
) width
!= texImage
->Width
) {
3676 _mesa_error(ctx
, GL_INVALID_VALUE
, "glCompressedTexSubImage1D(width)");
3681 goto out
; /* no-op, not an error */
3683 if (ctx
->Driver
.CompressedTexSubImage1D
) {
3684 (*ctx
->Driver
.CompressedTexSubImage1D
)(ctx
, target
, level
,
3686 format
, imageSize
, data
,
3689 ctx
->NewState
|= _NEW_TEXTURE
;
3692 _mesa_unlock_texture(ctx
, texObj
);
3697 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
3698 GLint yoffset
, GLsizei width
, GLsizei height
,
3699 GLenum format
, GLsizei imageSize
,
3702 struct gl_texture_unit
*texUnit
;
3703 struct gl_texture_object
*texObj
;
3704 struct gl_texture_image
*texImage
;
3706 GET_CURRENT_CONTEXT(ctx
);
3707 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3709 error
= compressed_subtexture_error_check(ctx
, 2, target
, level
,
3710 xoffset
, yoffset
, 0, /* pos */
3711 width
, height
, 1, /* size */
3714 /* XXX proxy target? */
3715 _mesa_error(ctx
, error
, "glCompressedTexSubImage2D");
3719 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3720 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3721 _mesa_lock_texture(ctx
, texObj
);
3723 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3726 if ((GLint
) format
!= texImage
->InternalFormat
) {
3727 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3728 "glCompressedTexSubImage2D(format)");
3732 if (((width
== 1 || width
== 2) && (GLuint
) width
!= texImage
->Width
) ||
3733 ((height
== 1 || height
== 2) && (GLuint
) height
!= texImage
->Height
)) {
3734 _mesa_error(ctx
, GL_INVALID_VALUE
, "glCompressedTexSubImage2D(size)");
3738 if (width
== 0 || height
== 0)
3739 goto out
; /* no-op, not an error */
3741 if (ctx
->Driver
.CompressedTexSubImage2D
) {
3742 (*ctx
->Driver
.CompressedTexSubImage2D
)(ctx
, target
, level
,
3743 xoffset
, yoffset
, width
, height
,
3744 format
, imageSize
, data
,
3747 ctx
->NewState
|= _NEW_TEXTURE
;
3750 _mesa_unlock_texture(ctx
, texObj
);
3755 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
3756 GLint yoffset
, GLint zoffset
, GLsizei width
,
3757 GLsizei height
, GLsizei depth
, GLenum format
,
3758 GLsizei imageSize
, const GLvoid
*data
)
3760 struct gl_texture_unit
*texUnit
;
3761 struct gl_texture_object
*texObj
;
3762 struct gl_texture_image
*texImage
;
3764 GET_CURRENT_CONTEXT(ctx
);
3765 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3767 error
= compressed_subtexture_error_check(ctx
, 3, target
, level
,
3768 xoffset
, yoffset
, zoffset
,/*pos*/
3769 width
, height
, depth
, /*size*/
3772 _mesa_error(ctx
, error
, "glCompressedTexSubImage3D");
3776 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3777 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3778 _mesa_lock_texture(ctx
, texObj
);
3780 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3783 if ((GLint
) format
!= texImage
->InternalFormat
) {
3784 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3785 "glCompressedTexSubImage3D(format)");
3789 if (((width
== 1 || width
== 2) && (GLuint
) width
!= texImage
->Width
) ||
3790 ((height
== 1 || height
== 2) && (GLuint
) height
!= texImage
->Height
) ||
3791 ((depth
== 1 || depth
== 2) && (GLuint
) depth
!= texImage
->Depth
)) {
3792 _mesa_error(ctx
, GL_INVALID_VALUE
, "glCompressedTexSubImage3D(size)");
3796 if (width
== 0 || height
== 0 || depth
== 0)
3797 goto out
; /* no-op, not an error */
3799 if (ctx
->Driver
.CompressedTexSubImage3D
) {
3800 (*ctx
->Driver
.CompressedTexSubImage3D
)(ctx
, target
, level
,
3801 xoffset
, yoffset
, zoffset
,
3802 width
, height
, depth
,
3803 format
, imageSize
, data
,
3806 ctx
->NewState
|= _NEW_TEXTURE
;
3809 _mesa_unlock_texture(ctx
, texObj
);
3814 _mesa_GetCompressedTexImageARB(GLenum target
, GLint level
, GLvoid
*img
)
3816 const struct gl_texture_unit
*texUnit
;
3817 struct gl_texture_object
*texObj
;
3818 struct gl_texture_image
*texImage
;
3820 GET_CURRENT_CONTEXT(ctx
);
3821 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
3823 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
3824 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
3826 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetCompressedTexImageARB");
3830 maxLevels
= _mesa_max_texture_levels(ctx
, target
);
3831 ASSERT(maxLevels
> 0); /* 0 indicates bad target, caught above */
3833 if (level
< 0 || level
>= maxLevels
) {
3834 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetCompressedTexImageARB(level)");
3838 if (_mesa_is_proxy_texture(target
)) {
3839 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetCompressedTexImageARB(target)");
3843 _mesa_lock_texture(ctx
, texObj
);
3845 texImage
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
3847 if (texImage
->IsCompressed
) {
3848 /* this typically calls _mesa_get_compressed_teximage() */
3849 ctx
->Driver
.GetCompressedTexImage(ctx
, target
, level
, img
,
3853 _mesa_error(ctx
, GL_INVALID_OPERATION
,
3854 "glGetCompressedTexImageARB");
3858 /* probably invalid mipmap level */
3859 _mesa_error(ctx
, GL_INVALID_VALUE
,
3860 "glGetCompressedTexImageARB(level)");
3863 _mesa_unlock_texture(ctx
, texObj
);