1 /* 2 * Copyright 2008 Tungsten Graphics, inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * on the rights to use, copy, modify, merge, publish, distribute, sub 9 * license, and/or sell copies of the Software, and to permit persons to whom 10 * the Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22 * USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 #ifndef _TRANSLATE_CACHE_H 25 #define _TRANSLATE_CACHE_H 26 27 28 /******************************************************************************* 29 * Translate cache. 30 * Simply used to cache created translates. Avoids unecessary creation of 31 * translate's if one suitable for a given translate_key has already been 32 * created. 33 * 34 * Note: this functionality depends and requires the CSO module. 35 */ 36 struct translate_cache; 37 38 struct translate_key; 39 struct translate; 40 41 struct translate_cache *translate_cache_create( void ); 42 void translate_cache_destroy(struct translate_cache *cache); 43 44 /** 45 * Will try to find a translate structure matched by the given key. 46 * If such a structure doesn't exist in the cache the function 47 * will automatically create it, insert it in the cache and 48 * return the created version. 49 * 50 */ 51 struct translate *translate_cache_find(struct translate_cache *cache, 52 struct translate_key *key); 53 54 #endif 55