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 * Version: 3.5 14 * 15 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 16 * 17 * Permission is hereby granted, free of charge, to any person obtaining a 18 * copy of this software and associated documentation files (the "Software"), 19 * to deal in the Software without restriction, including without limitation 20 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 21 * and/or sell copies of the Software, and to permit persons to whom the 22 * Software is furnished to do so, subject to the following conditions: 23 * 24 * The above copyright notice and this permission notice shall be included 25 * in all copies or substantial portions of the Software. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 28 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 29 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 30 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 31 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 33 */ 34 35 36 #ifndef FOG_H 37 #define FOG_H 38 39 40 #include "glheader.h" 41 #include "mfeatures.h" 42 43 struct gl_context; 44 45 46 #if _HAVE_FULL_GL 47 48 extern void GLAPIENTRY 49 _mesa_Fogf(GLenum pname, GLfloat param); 50 51 extern void GLAPIENTRY 52 _mesa_Fogi(GLenum pname, GLint param ); 53 54 extern void GLAPIENTRY 55 _mesa_Fogfv(GLenum pname, const GLfloat *params ); 56 57 extern void GLAPIENTRY 58 _mesa_Fogiv(GLenum pname, const GLint *params ); 59 60 extern void _mesa_init_fog( struct gl_context * ctx ); 61 62 #else 63 64 /** No-op */ 65 #define _mesa_init_fog( c ) ((void)0) 66 67 #endif 68 69 #endif 70
