| 1 | /* $Id: fog.h,v 1.2 2000-05-21 20:43:13 jeroen Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Mesa 3-D graphics library | 
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| 5 | * Version:  3.3 | 
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| 6 | * | 
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| 7 | * Copyright (C) 1999  Brian Paul   All Rights Reserved. | 
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| 8 | * | 
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a | 
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| 10 | * copy of this software and associated documentation files (the "Software"), | 
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| 11 | * to deal in the Software without restriction, including without limitation | 
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the | 
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| 14 | * Software is furnished to do so, subject to the following conditions: | 
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| 15 | * | 
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| 16 | * The above copyright notice and this permission notice shall be included | 
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| 17 | * in all copies or substantial portions of the Software. | 
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| 18 | * | 
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | 
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | 
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | 
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | 
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| 25 | */ | 
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| 26 |  | 
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| 27 |  | 
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| 28 |  | 
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| 29 | #ifndef FOG_H | 
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| 30 | #define FOG_H | 
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| 31 |  | 
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| 32 |  | 
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| 33 | #include "types.h" | 
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| 34 |  | 
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| 35 |  | 
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| 36 | extern void | 
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| 37 | _mesa_Fogf(GLenum pname, GLfloat param); | 
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| 38 |  | 
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| 39 |  | 
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| 40 | extern void | 
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| 41 | _mesa_Fogi(GLenum pname, GLint param ); | 
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| 42 |  | 
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| 43 |  | 
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| 44 | extern void | 
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| 45 | _mesa_Fogfv(GLenum pname, const GLfloat *params ); | 
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| 46 |  | 
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| 47 |  | 
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| 48 | extern void | 
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| 49 | _mesa_Fogiv(GLenum pname, const GLint *params ); | 
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| 50 |  | 
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| 51 |  | 
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| 52 |  | 
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| 53 | extern void | 
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| 54 | _mesa_fog_vertices( struct vertex_buffer *VB ); | 
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| 55 |  | 
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| 56 | extern void | 
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| 57 | _mesa_fog_rgba_pixels( const GLcontext *ctx, | 
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| 58 | GLuint n, const GLdepth z[], | 
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| 59 | GLubyte rgba[][4] ); | 
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| 60 |  | 
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| 61 | extern void | 
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| 62 | _mesa_fog_ci_pixels( const GLcontext *ctx, | 
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| 63 | GLuint n, const GLdepth z[], GLuint indx[] ); | 
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| 64 |  | 
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| 65 |  | 
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| 66 | extern void | 
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| 67 | _mesa_init_fog( void ); | 
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| 68 |  | 
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| 69 |  | 
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| 70 |  | 
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| 71 | #endif | 
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