1 /* $Id: fog.h,v 1.2 1997/06/20 04:14:47 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.3 6 * Copyright (C) 1995-1996 Brian Paul 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the Free 20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 24 /* 25 * $Log: fog.h,v $ 26 * Revision 1.2 1997/06/20 04:14:47 brianp 27 * changed color components from GLfixed to GLubyte 28 * 29 * Revision 1.1 1996/09/13 01:38:16 brianp 30 * Initial revision 31 * 32 */ 33 34 35 36 #ifndef FOG_H 37 #define FOG_H 38 39 40 #include "types.h" 41 42 43 extern void gl_Fogfv( GLcontext *ctx, GLenum pname, const GLfloat *params ); 44 45 46 extern void gl_fog_color_vertices( GLcontext *ctx, GLuint n, 47 GLfloat v[][4], GLubyte color[][4] ); 48 49 extern void gl_fog_index_vertices( GLcontext *ctx, GLuint n, 50 GLfloat v[][4], GLuint indx[] ); 51 52 53 extern void gl_fog_color_pixels( GLcontext *ctx, 54 GLuint n, const GLdepth z[], 55 GLubyte red[], GLubyte green[], 56 GLubyte blue[], GLubyte alpha[] ); 57 58 extern void gl_fog_index_pixels( GLcontext *ctx, 59 GLuint n, const GLdepth z[], GLuint indx[] ); 60 61 62 #endif 63