0,0 → 1,106 |
/************************************************************************** |
* |
* Copyright 2008 VMware, Inc. |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
|
#include "util/u_memory.h" |
#include "pipe/p_state.h" |
#include "translate.h" |
#include "translate_cache.h" |
|
#include "cso_cache/cso_cache.h" |
#include "cso_cache/cso_hash.h" |
|
struct translate_cache { |
struct cso_hash *hash; |
}; |
|
struct translate_cache * translate_cache_create( void ) |
{ |
struct translate_cache *cache = MALLOC_STRUCT(translate_cache); |
if (cache == NULL) { |
return NULL; |
} |
|
cache->hash = cso_hash_create(); |
return cache; |
} |
|
|
static INLINE void delete_translates(struct translate_cache *cache) |
{ |
struct cso_hash *hash = cache->hash; |
struct cso_hash_iter iter = cso_hash_first_node(hash); |
while (!cso_hash_iter_is_null(iter)) { |
struct translate *state = (struct translate*)cso_hash_iter_data(iter); |
iter = cso_hash_iter_next(iter); |
if (state) { |
state->release(state); |
} |
} |
} |
|
void translate_cache_destroy(struct translate_cache *cache) |
{ |
delete_translates(cache); |
cso_hash_delete(cache->hash); |
FREE(cache); |
} |
|
|
static INLINE unsigned translate_hash_key_size(struct translate_key *key) |
{ |
unsigned size = sizeof(struct translate_key) - |
sizeof(struct translate_element) * (TRANSLATE_MAX_ATTRIBS - key->nr_elements); |
return size; |
} |
|
static INLINE unsigned create_key(struct translate_key *key) |
{ |
unsigned hash_key; |
unsigned size = translate_hash_key_size(key); |
/*debug_printf("key size = %d, (els = %d)\n", |
size, key->nr_elements);*/ |
hash_key = cso_construct_key(key, size); |
return hash_key; |
} |
|
struct translate * translate_cache_find(struct translate_cache *cache, |
struct translate_key *key) |
{ |
unsigned hash_key = create_key(key); |
struct translate *translate = (struct translate*) |
cso_hash_find_data_from_template(cache->hash, |
hash_key, |
key, sizeof(*key)); |
|
if (!translate) { |
/* create/insert */ |
translate = translate_create(key); |
cso_hash_insert(cache->hash, hash_key, translate); |
} |
|
return translate; |
} |