translate_cache.h

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00001 /*
00002  * Copyright 2008 Tungsten Graphics, inc.
00003  * All Rights Reserved.
00004  *
00005  * Permission is hereby granted, free of charge, to any person obtaining a
00006  * copy of this software and associated documentation files (the "Software"),
00007  * to deal in the Software without restriction, including without limitation
00008  * on the rights to use, copy, modify, merge, publish, distribute, sub
00009  * license, and/or sell copies of the Software, and to permit persons to whom
00010  * the Software is furnished to do so, subject to the following conditions:
00011  *
00012  * The above copyright notice and this permission notice (including the next
00013  * paragraph) shall be included in all copies or substantial portions of the
00014  * Software.
00015  *
00016  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00017  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00018  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
00019  * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
00020  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
00021  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
00022  * USE OR OTHER DEALINGS IN THE SOFTWARE.
00023  */
00024 #ifndef _TRANSLATE_CACHE_H
00025 #define _TRANSLATE_CACHE_H
00026 
00027 
00028 /*******************************************************************************
00029  * Translate cache.
00030  * Simply used to cache created translates. Avoids unecessary creation of
00031  * translate's if one suitable for a given translate_key has already been
00032  * created.
00033  *
00034  * Note: this functionality depends and requires the CSO module.
00035  */
00036 struct translate_cache;
00037 
00038 struct translate_key;
00039 struct translate;
00040 
00041 struct translate_cache *translate_cache_create( void );
00042 void translate_cache_destroy(struct translate_cache *cache);
00043 
00051 struct translate *translate_cache_find(struct translate_cache *cache,
00052                                        struct translate_key *key);
00053 
00054 #endif

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