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      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