00001 /********************************************************************* 00002 * lescegra * 00003 * * 00004 * http://geeky.kicks-ass.org/projects/lescegra.html * 00005 * * 00006 * Copyright 2003 by Enno Cramer <uebergeek@web.de> * 00007 * * 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Library General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Library General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Library General Public * 00019 * License along with this library; if not, write to the Free * 00020 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00021 *********************************************************************/ 00022 00023 #ifndef LSG_CACHE_H 00024 #define LSG_CACHE_H 1 00025 00026 /** 00027 * \file cache.h 00028 * \brief Render cache 00029 */ 00030 00031 #include <lescegra/sg/group.h> 00032 00033 /** 00034 * \brief Render cache 00035 * 00036 * Cache sub nodes in an OpenGL list for faster rendering. The dirty flag 00037 * is used to force an update of the cache. 00038 */ 00039 typedef struct { 00040 LsgGroup super; 00041 int list; 00042 int valid; 00043 } LsgCache; 00044 00045 LsgCache* LsgCache_create(void); 00046 void LsgCache_init(LsgCache* self); 00047 void LsgCache_update(LsgCache* self, float now); 00048 void LsgCache_display(LsgCache* self, LsgFrustum* frustum); 00049 void LsgCache_destroy(LsgCache* self); 00050 00051 #define LsgCache_clean(self) LsgGroup_clean(&(self)->super) 00052 00053 #endif