texgetimage.h revision 848b8605 
1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5 * Copyright (c) 2009 VMware, Inc.
6 *
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:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27#ifndef TEXGETIMAGE_H
28#define TEXGETIMAGE_H
29
30#include "glheader.h"
31
32struct gl_context;
33struct gl_texture_image;
34struct gl_texture_object;
35
36extern GLenum
37_mesa_base_pack_format(GLenum format);
38
39extern void
40_mesa_get_teximage(struct gl_context *ctx,
41                   GLenum format, GLenum type, GLvoid *pixels,
42                   struct gl_texture_image *texImage);
43
44
45extern void
46_mesa_get_compressed_teximage(struct gl_context *ctx,
47                              struct gl_texture_image *texImage,
48                              GLvoid *data);
49
50
51
52extern void GLAPIENTRY
53_mesa_GetTexImage( GLenum target, GLint level,
54                   GLenum format, GLenum type, GLvoid *pixels );
55extern void GLAPIENTRY
56_mesa_GetnTexImageARB( GLenum target, GLint level, GLenum format,
57                       GLenum type, GLsizei bufSize, GLvoid *pixels );
58
59extern void GLAPIENTRY
60_mesa_GetCompressedTexImage(GLenum target, GLint lod, GLvoid *img);
61
62extern void GLAPIENTRY
63_mesa_GetnCompressedTexImageARB(GLenum target, GLint level, GLsizei bufSize,
64                                GLvoid *img);
65
66#endif /* TEXGETIMAGE_H */
67