1 /*
2  * Mesa 3-D graphics library
3  * Version:  7.1
4  *
5  * Copyright (C) 1999-2008  Brian Paul   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  * BRIAN PAUL 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 READPIXELS_H
27 #define READPIXELS_H
28 
29 
30 #include "glheader.h"
31 
32 struct gl_context;
33 struct gl_pixelstore_attrib;
34 
35 
36 extern void
37 _mesa_readpixels(struct gl_context *ctx,
38                  GLint x, GLint y, GLsizei width, GLsizei height,
39                  GLenum format, GLenum type,
40                  const struct gl_pixelstore_attrib *packing,
41                  GLvoid *pixels);
42 
43 extern void GLAPIENTRY
44 _mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height,
45                   GLenum format, GLenum type, GLvoid *pixels );
46 
47 extern void GLAPIENTRY
48 _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height,
49 		      GLenum format, GLenum type, GLsizei bufSize,
50                       GLvoid *pixels );
51 
52 #endif
53