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/* $Id: pixel.h,v 1.10 2001/03/12 00:48:38 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 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
* BRIAN PAUL 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.
*/
#ifndef PIXEL_H
#define PIXEL_H
#include "mtypes.h"
/*
* API functions
*/
extern void
_mesa_GetPixelMapfv( GLenum map, GLfloat *values );
extern void
_mesa_GetPixelMapuiv( GLenum map, GLuint *values );
extern void
_mesa_GetPixelMapusv( GLenum map, GLushort *values );
extern void
_mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values );
extern void
_mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values );
extern void
_mesa_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values );
extern void
_mesa_PixelStoref( GLenum pname, GLfloat param );
extern void
_mesa_PixelStorei( GLenum pname, GLint param );
extern void
_mesa_PixelTransferf( GLenum pname, GLfloat param );
extern void
_mesa_PixelTransferi( GLenum pname, GLint param );
extern void
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
/*
* Pixel processing functions
*/
extern void
_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias);
extern void
_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_shift_and_offset_ci(const GLcontext *ctx, GLuint n,
GLuint indexes[]);
extern void
_mesa_map_ci(const GLcontext *ctx, GLuint n, GLuint index[]);
extern void
_mesa_map_ci_to_rgba_chan(const GLcontext *ctx,
GLuint n, const GLuint index[],
GLchan rgba[][4]);
extern void
_mesa_map_ci_to_rgba(const GLcontext *ctx,
GLuint n, const GLuint index[], GLfloat rgba[][4]);
extern void
_mesa_map_ci8_to_rgba(const GLcontext *ctx,
GLuint n, const GLubyte index[],
GLchan rgba[][4]);
extern void
_mesa_shift_and_offset_stencil(const GLcontext *ctx, GLuint n,
GLstencil indexes[]);
extern void
_mesa_map_stencil(const GLcontext *ctx, GLuint n, GLstencil index[]);
extern void
_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
CONST GLchan rgba[][4], GLfloat rgbaf[][4]);
#endif
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