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/*
 * Mesa 3-D graphics library
 *
 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */


/**
 * \file pixel.h
 * Pixel operations.
 */


#ifndef PIXEL_H
#define PIXEL_H


#include "glheader.h"

struct gl_context;


void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
void GLAPIENTRY
_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values );
void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values );
void GLAPIENTRY
_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values );
void GLAPIENTRY
_mesa_GetnPixelMapfvARB( GLenum map, GLsizei bufSize, GLfloat *values );
void GLAPIENTRY
_mesa_GetPixelMapfv( GLenum map, GLfloat *values );
void GLAPIENTRY
_mesa_GetnPixelMapuivARB( GLenum map, GLsizei bufSize, GLuint *values );
void GLAPIENTRY
_mesa_GetPixelMapuiv( GLenum map, GLuint *values );
void GLAPIENTRY
_mesa_GetnPixelMapusvARB( GLenum map, GLsizei bufSize, GLushort *values );
void GLAPIENTRY
_mesa_GetPixelMapusv( GLenum map, GLushort *values );
void GLAPIENTRY
_mesa_PixelTransferf(GLenum pname, GLfloat param);
void GLAPIENTRY
_mesa_PixelTransferi( GLenum pname, GLint param );

extern void 
_mesa_update_pixel( struct gl_context *ctx, GLuint newstate );

extern void 
_mesa_init_pixel( struct gl_context * ctx );

/*@}*/

#endif /* PIXEL_H */