pbo.h revision af69d88d 
1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5 * Copyright (C) 2009-2011  VMware, Inc.  All Rights Reserved.
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 PBO_H
28#define PBO_H
29
30
31#include "mtypes.h"
32
33
34extern GLboolean
35_mesa_validate_pbo_access(GLuint dimensions,
36                          const struct gl_pixelstore_attrib *pack,
37                          GLsizei width, GLsizei height, GLsizei depth,
38                          GLenum format, GLenum type, GLsizei clientMemSize,
39                          const GLvoid *ptr);
40
41extern const GLvoid *
42_mesa_map_pbo_source(struct gl_context *ctx,
43                     const struct gl_pixelstore_attrib *unpack,
44                     const GLvoid *src);
45
46extern const GLvoid *
47_mesa_map_validate_pbo_source(struct gl_context *ctx,
48                              GLuint dimensions,
49                              const struct gl_pixelstore_attrib *unpack,
50                              GLsizei width, GLsizei height, GLsizei depth,
51                              GLenum format, GLenum type, GLsizei clientMemSize,
52                              const GLvoid *ptr, const char *where);
53
54extern void
55_mesa_unmap_pbo_source(struct gl_context *ctx,
56                       const struct gl_pixelstore_attrib *unpack);
57
58extern void *
59_mesa_map_pbo_dest(struct gl_context *ctx,
60                   const struct gl_pixelstore_attrib *pack,
61                   GLvoid *dest);
62
63extern GLvoid *
64_mesa_map_validate_pbo_dest(struct gl_context *ctx,
65                            GLuint dimensions,
66                            const struct gl_pixelstore_attrib *unpack,
67                            GLsizei width, GLsizei height, GLsizei depth,
68                            GLenum format, GLenum type, GLsizei clientMemSize,
69                            GLvoid *ptr, const char *where);
70
71extern void
72_mesa_unmap_pbo_dest(struct gl_context *ctx,
73                     const struct gl_pixelstore_attrib *pack);
74
75
76extern const GLvoid *
77_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
78			    GLsizei width, GLsizei height, GLsizei depth,
79			    GLenum format, GLenum type, const GLvoid *pixels,
80			    const struct gl_pixelstore_attrib *unpack,
81			    const char *funcName);
82
83extern const GLvoid *
84_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
85                                    GLuint dimensions, GLsizei imageSize,
86                                    const GLvoid *pixels,
87                                    const struct gl_pixelstore_attrib *packing,
88                                    const char *funcName);
89
90extern void
91_mesa_unmap_teximage_pbo(struct gl_context *ctx,
92                         const struct gl_pixelstore_attrib *unpack);
93
94
95#endif
96