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/* $Id: pixel.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 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 "types.h"
/*
* API functions
*/
extern void gl_GetPixelMapfv( GLcontext *ctx, GLenum map, GLfloat *values );
extern void gl_GetPixelMapuiv( GLcontext *ctx, GLenum map, GLuint *values );
extern void gl_GetPixelMapusv( GLcontext *ctx, GLenum map, GLushort *values );
extern void gl_PixelMapfv( GLcontext *ctx,
GLenum map, GLint mapsize, const GLfloat *values );
extern void gl_PixelStorei( GLcontext *ctx, GLenum pname, GLint param );
extern void gl_PixelTransferf( GLcontext *ctx, GLenum pname, GLfloat param );
extern void gl_PixelZoom( GLcontext *ctx, GLfloat xfactor, GLfloat yfactor );
/*
* Pixel processing functions
*/
extern void gl_scale_and_bias_color( const GLcontext *ctx, GLuint n,
GLfloat red[], GLfloat green[],
GLfloat blue[], GLfloat alpha[] );
extern void gl_scale_and_bias_rgba( const GLcontext *ctx, GLuint n,
GLubyte rgba[][4] );
extern void gl_map_rgba( const GLcontext *ctx, GLuint n, GLubyte rgba[][4] );
extern void gl_map_color( const GLcontext *ctx, GLuint n,
GLfloat red[], GLfloat green[],
GLfloat blue[], GLfloat alpha[] );
extern void gl_shift_and_offset_ci( const GLcontext *ctx, GLuint n,
GLuint indexes[] );
extern void gl_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] );
extern void gl_map_ci_to_rgba( const GLcontext *ctx,
GLuint n, const GLuint index[],
GLubyte rgba[][4] );
extern void gl_map_ci8_to_rgba( const GLcontext *ctx,
GLuint n, const GLubyte index[],
GLubyte rgba[][4] );
extern void gl_map_ci_to_color( const GLcontext *ctx,
GLuint n, const GLuint index[],
GLfloat r[], GLfloat g[],
GLfloat b[], GLfloat a[] );
extern void gl_shift_and_offset_stencil( const GLcontext *ctx, GLuint n,
GLstencil indexes[] );
extern void gl_map_stencil( const GLcontext *ctx, GLuint n, GLstencil index[] );
#endif
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