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/* $Id: fog.h,v 1.8 2000/10/30 16:32:43 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2000 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 FOG_H
#define FOG_H
#include "types.h"
extern void
_mesa_Fogf(GLenum pname, GLfloat param);
extern void
_mesa_Fogi(GLenum pname, GLint param );
extern void
_mesa_Fogfv(GLenum pname, const GLfloat *params );
extern void
_mesa_Fogiv(GLenum pname, const GLint *params );
extern void
_mesa_fog_rgba_pixels( const GLcontext *ctx,
GLuint n, const GLfixed fog[],
GLchan rgba[][4] );
extern void
_mesa_fog_ci_pixels( const GLcontext *ctx,
GLuint n, const GLfixed fog[], GLuint indx[] );
extern void
_mesa_make_win_fog_coords( struct vertex_buffer *VB );
extern void
_mesa_win_fog_coords_from_z( const GLcontext *ctx,
GLuint n,
const GLdepth z[],
GLfixed fogcoord[] );
extern void
_mesa_depth_fog_rgba_pixels( const GLcontext *ctx,
GLuint n, const GLdepth z[], GLchan rgba[][4] );
extern void
_mesa_depth_fog_ci_pixels( const GLcontext *ctx,
GLuint n, const GLdepth z[], GLuint index[] );
extern void
_mesa_init_fog( void );
#endif
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