diff options
author | Brian Paul <brianp@vmware.com> | 2009-02-10 16:44:02 -0700 |
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committer | Brian Paul <brianp@vmware.com> | 2009-02-10 16:44:02 -0700 |
commit | 5340b6dff73a0a23531ce2a5f28fba8303adab6e (patch) | |
tree | b141fc3648568dd8b941c966059e6ed32a8bd0ad /src/gallium/auxiliary/translate/translate_cache.c | |
parent | 9fd26daec24f21dbe17afcb2e2ab272667ee9a69 (diff) | |
parent | ee4c921b65fb76998711f3c40330505cbc49a0e0 (diff) |
Merge commit 'origin/gallium-master-merge'
This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.
Conflicts:
progs/demos/Makefile
src/mesa/main/state.c
src/mesa/main/texenvprogram.c
Diffstat (limited to 'src/gallium/auxiliary/translate/translate_cache.c')
-rw-r--r-- | src/gallium/auxiliary/translate/translate_cache.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/translate/translate_cache.c b/src/gallium/auxiliary/translate/translate_cache.c new file mode 100644 index 0000000000..d8069a149c --- /dev/null +++ b/src/gallium/auxiliary/translate/translate_cache.c @@ -0,0 +1,102 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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); + 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) * (PIPE_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; +} |