1 /** 2 * \file depth.h 3 * Depth buffer operations. 4 */ 5 6 /* 7 * Mesa 3-D graphics library 8 * Version: 6.3 9 * 10 * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a 13 * copy of this software and associated documentation files (the "Software"), 14 * to deal in the Software without restriction, including without limitation 15 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16 * and/or sell copies of the Software, and to permit persons to whom the 17 * Software is furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice shall be included 20 * in all copies or substantial portions of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 28 */ 29 30 31 #ifndef DEPTH_H 32 #define DEPTH_H 33 34 35 #include "glheader.h" 36 #include "mfeatures.h" 37 38 struct gl_context; 39 40 41 #if _HAVE_FULL_GL 42 43 extern void GLAPIENTRY 44 _mesa_ClearDepth( GLclampd depth ); 45 46 extern void GLAPIENTRY 47 _mesa_ClearDepthf( GLclampf depth ); 48 49 extern void GLAPIENTRY 50 _mesa_DepthFunc( GLenum func ); 51 52 extern void GLAPIENTRY 53 _mesa_DepthMask( GLboolean flag ); 54 55 extern void GLAPIENTRY 56 _mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax ); 57 58 extern void 59 _mesa_init_depth( struct gl_context * ctx ); 60 61 #else 62 63 /** No-op */ 64 #define _mesa_init_depth( c ) ((void)0) 65 66 #endif 67 68 #endif 69
