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/* $Id: pixel.h,v 1.1 2003-02-28 11:42:04 pj Exp $ */
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/*
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 * Mesa 3-D graphics library
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 * Version:  3.5
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 *
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 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef PIXEL_H
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#define PIXEL_H
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#include "mtypes.h"
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/*
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 * API functions
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 */
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extern void
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_mesa_GetPixelMapfv( GLenum map, GLfloat *values );
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extern void
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_mesa_GetPixelMapuiv( GLenum map, GLuint *values );
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extern void
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_mesa_GetPixelMapusv( GLenum map, GLushort *values );
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extern void
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_mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values );
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extern void
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_mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values );
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extern void
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_mesa_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values );
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extern void
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_mesa_PixelStoref( GLenum pname, GLfloat param );
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extern void
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_mesa_PixelStorei( GLenum pname, GLint param );
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extern void
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_mesa_PixelTransferf( GLenum pname, GLfloat param );
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extern void
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_mesa_PixelTransferi( GLenum pname, GLint param );
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extern void
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_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
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/*
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 * Pixel processing functions
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 */
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extern void
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_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4],
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                          GLfloat rScale, GLfloat gScale,
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                          GLfloat bScale, GLfloat aScale,
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                          GLfloat rBias, GLfloat gBias,
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                          GLfloat bBias, GLfloat aBias);
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extern void
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_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
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extern void
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_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
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extern void
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_mesa_lookup_rgba(const struct gl_color_table *table,
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                  GLuint n, GLfloat rgba[][4]);
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extern void
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_mesa_shift_and_offset_ci(const GLcontext *ctx, GLuint n,
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                          GLuint indexes[]);
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extern void
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_mesa_map_ci(const GLcontext *ctx, GLuint n, GLuint index[]);
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extern void
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_mesa_map_ci_to_rgba_chan(const GLcontext *ctx,
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                          GLuint n, const GLuint index[],
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                          GLchan rgba[][4]);
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extern void
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_mesa_map_ci_to_rgba(const GLcontext *ctx,
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                     GLuint n, const GLuint index[], GLfloat rgba[][4]);
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extern void
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_mesa_map_ci8_to_rgba(const GLcontext *ctx,
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                      GLuint n, const GLubyte index[],
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                      GLchan rgba[][4]);
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extern void
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_mesa_shift_and_offset_stencil(const GLcontext *ctx, GLuint n,
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                               GLstencil indexes[]);
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extern void
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_mesa_map_stencil(const GLcontext *ctx, GLuint n, GLstencil index[]);
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extern void
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_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
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                         CONST GLchan rgba[][4], GLfloat rgbaf[][4]);
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#endif