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1 /**
2  * \file fog.h
3  * Fog operations.
4  *
5  * \if subset
6  * (No-op)
7  *
8  * \endif
9  */
10 
11 /*
12  * Mesa 3-D graphics library
13  *
14  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
15  *
16  * Permission is hereby granted, free of charge, to any person obtaining a
17  * copy of this software and associated documentation files (the "Software"),
18  * to deal in the Software without restriction, including without limitation
19  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20  * and/or sell copies of the Software, and to permit persons to whom the
21  * Software is furnished to do so, subject to the following conditions:
22  *
23  * The above copyright notice and this permission notice shall be included
24  * in all copies or substantial portions of the Software.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
29  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
31  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
32  * OTHER DEALINGS IN THE SOFTWARE.
33  */
34 
35 
36 #ifndef FOG_H
37 #define FOG_H
38 
39 
40 #include "glheader.h"
41 
42 struct gl_context;
43 
44 
45 extern void GLAPIENTRY
46 _mesa_Fogf(GLenum pname, GLfloat param);
47 
48 extern void GLAPIENTRY
49 _mesa_Fogi(GLenum pname, GLint param );
50 
51 extern void GLAPIENTRY
52 _mesa_Fogfv(GLenum pname, const GLfloat *params );
53 
54 extern void GLAPIENTRY
55 _mesa_Fogiv(GLenum pname, const GLint *params );
56 
57 extern void _mesa_init_fog( struct gl_context * ctx );
58 
59 #endif
60