st_cb_readpixels.h revision 10eb0c39d52d59956f306ee9daa63e1466e0cd3e 
1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * 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
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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27
28
29#ifndef ST_CB_READPIXELS_H
30#define ST_CB_READPIXELS_H
31
32#include "main/glheader.h"
33
34struct dd_function_table;
35struct gl_context;
36struct gl_pixelstore_attrib;
37
38extern struct st_renderbuffer *
39st_get_color_read_renderbuffer(struct gl_context *ctx);
40
41extern void
42st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
43                       GLsizei width, GLsizei height,
44                       GLenum format, GLenum type,
45                       const struct gl_pixelstore_attrib *packing,
46                       GLvoid *pixels);
47
48extern void
49st_init_readpixels_functions(struct dd_function_table *functions);
50
51
52#endif /* ST_CB_READPIXELS_H */
53