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 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.
23 */
24
25
26#ifndef PBO_H
27#define PBO_H
28
29
30#include "mtypes.h"
31
32
33extern GLboolean
34_mesa_validate_pbo_access(GLuint dimensions,
35                          const struct gl_pixelstore_attrib *pack,
36                          GLsizei width, GLsizei height, GLsizei depth,
37                          GLenum format, GLenum type, GLsizei clientMemSize,
38                          const GLvoid *ptr);
39
40extern const GLvoid *
41_mesa_map_pbo_source(struct gl_context *ctx,
42                     const struct gl_pixelstore_attrib *unpack,
43                     const GLvoid *src);
44
45extern const GLvoid *
46_mesa_map_validate_pbo_source(struct gl_context *ctx,
47                              GLuint dimensions,
48                              const struct gl_pixelstore_attrib *unpack,
49                              GLsizei width, GLsizei height, GLsizei depth,
50                              GLenum format, GLenum type, GLsizei clientMemSize,
51                              const GLvoid *ptr, const char *where);
52
53extern void
54_mesa_unmap_pbo_source(struct gl_context *ctx,
55                       const struct gl_pixelstore_attrib *unpack);
56
57extern void *
58_mesa_map_pbo_dest(struct gl_context *ctx,
59                   const struct gl_pixelstore_attrib *pack,
60                   GLvoid *dest);
61
62extern GLvoid *
63_mesa_map_validate_pbo_dest(struct gl_context *ctx,
64                            GLuint dimensions,
65                            const struct gl_pixelstore_attrib *unpack,
66                            GLsizei width, GLsizei height, GLsizei depth,
67                            GLenum format, GLenum type, GLsizei clientMemSize,
68                            GLvoid *ptr, const char *where);
69
70extern void
71_mesa_unmap_pbo_dest(struct gl_context *ctx,
72                     const struct gl_pixelstore_attrib *pack);
73
74
75extern const GLvoid *
76_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
77			    GLsizei width, GLsizei height, GLsizei depth,
78			    GLenum format, GLenum type, const GLvoid *pixels,
79			    const struct gl_pixelstore_attrib *unpack,
80			    const char *funcName);
81
82extern const GLvoid *
83_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
84                                    GLsizei imageSize, const GLvoid *pixels,
85                                    const struct gl_pixelstore_attrib *packing,
86                                    const char *funcName);
87
88extern void
89_mesa_unmap_teximage_pbo(struct gl_context *ctx,
90                         const struct gl_pixelstore_attrib *unpack);
91
92
93#endif
94