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 "util/glheader.h"
30 #include "menums.h"
31
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35
36 struct gl_context;
37 struct gl_framebuffer;
38 struct gl_renderbuffer;
39
40 extern void
41 _mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
42
43 extern void
44 _mesa_attach_and_own_rb(struct gl_framebuffer *fb,
45 gl_buffer_index bufferName,
46 struct gl_renderbuffer *rb);
47
48 extern void
49 _mesa_attach_and_reference_rb(struct gl_framebuffer *fb,
50 gl_buffer_index bufferName,
51 struct gl_renderbuffer *rb);
52
53 extern void
54 _mesa_remove_renderbuffer(struct gl_framebuffer *fb,
55 gl_buffer_index bufferName);
56
57 extern void
58 _mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
59 struct gl_renderbuffer *rb);
60
61 static inline void
_mesa_reference_renderbuffer(struct gl_renderbuffer ** ptr,struct gl_renderbuffer * rb)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
69 void
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
77 void
78 _mesa_unmap_renderbuffer(struct gl_context *ctx,
79 struct gl_renderbuffer *rb);
80
81 void
82 _mesa_regen_renderbuffer_surface(struct gl_context *ctx,
83 struct gl_renderbuffer *rb);
84 void
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