1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26#ifndef RENDERBUFFER_H
27#define RENDERBUFFER_H
28
29#include "glheader.h"
30#include "menums.h"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36struct gl_context;
37struct gl_framebuffer;
38struct gl_renderbuffer;
39
40extern void
41_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
42
43extern void
44_mesa_attach_and_own_rb(struct gl_framebuffer *fb,
45                        gl_buffer_index bufferName,
46                        struct gl_renderbuffer *rb);
47
48extern void
49_mesa_attach_and_reference_rb(struct gl_framebuffer *fb,
50                              gl_buffer_index bufferName,
51                              struct gl_renderbuffer *rb);
52
53extern void
54_mesa_remove_renderbuffer(struct gl_framebuffer *fb,
55                          gl_buffer_index bufferName);
56
57extern void
58_mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
59                              struct gl_renderbuffer *rb);
60
61static inline void
62_mesa_reference_renderbuffer(struct gl_renderbuffer **ptr,
63                             struct gl_renderbuffer *rb)
64{
65   if (*ptr != rb)
66      _mesa_reference_renderbuffer_(ptr, rb);
67}
68
69void
70_mesa_map_renderbuffer(struct gl_context *ctx,
71                       struct gl_renderbuffer *rb,
72                       GLuint x, GLuint y, GLuint w, GLuint h,
73                       GLbitfield mode,
74                       GLubyte **mapOut, GLint *rowStrideOut,
75                       bool flip_y);
76
77void
78_mesa_unmap_renderbuffer(struct gl_context *ctx,
79                         struct gl_renderbuffer *rb);
80
81void
82_mesa_regen_renderbuffer_surface(struct gl_context *ctx,
83                                 struct gl_renderbuffer *rb);
84void
85_mesa_update_renderbuffer_surface(struct gl_context *ctx,
86                                  struct gl_renderbuffer *rb);
87#ifdef __cplusplus
88}
89#endif
90
91#endif /* RENDERBUFFER_H */
92