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