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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | #include "util/u_memory.h" |
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| 29 | #include "pipe/p_state.h" |
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| 30 | #include "translate.h" |
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| 31 | #include "translate_cache.h" |
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| 32 | |||
| 33 | #include "cso_cache/cso_cache.h" |
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| 34 | #include "cso_cache/cso_hash.h" |
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| 35 | |||
| 36 | struct translate_cache { |
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| 37 | struct cso_hash *hash; |
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| 38 | }; |
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| 39 | |||
| 40 | struct translate_cache * translate_cache_create( void ) |
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| 41 | { |
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| 42 | struct translate_cache *cache = MALLOC_STRUCT(translate_cache); |
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| 43 | if (cache == NULL) { |
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| 44 | return NULL; |
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| 45 | } |
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| 46 | |||
| 47 | cache->hash = cso_hash_create(); |
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| 48 | return cache; |
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| 49 | } |
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| 50 | |||
| 51 | |||
| 52 | static INLINE void delete_translates(struct translate_cache *cache) |
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| 53 | { |
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| 54 | struct cso_hash *hash = cache->hash; |
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| 55 | struct cso_hash_iter iter = cso_hash_first_node(hash); |
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| 56 | while (!cso_hash_iter_is_null(iter)) { |
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| 57 | struct translate *state = (struct translate*)cso_hash_iter_data(iter); |
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| 58 | iter = cso_hash_iter_next(iter); |
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| 59 | if (state) { |
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| 60 | state->release(state); |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | |||
| 65 | void translate_cache_destroy(struct translate_cache *cache) |
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| 66 | { |
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| 67 | delete_translates(cache); |
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| 68 | cso_hash_delete(cache->hash); |
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| 69 | FREE(cache); |
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| 70 | } |
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| 71 | |||
| 72 | |||
| 73 | static INLINE unsigned translate_hash_key_size(struct translate_key *key) |
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| 74 | { |
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| 75 | unsigned size = sizeof(struct translate_key) - |
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| 76 | sizeof(struct translate_element) * (PIPE_MAX_ATTRIBS - key->nr_elements); |
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| 77 | return size; |
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| 78 | } |
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| 79 | |||
| 80 | static INLINE unsigned create_key(struct translate_key *key) |
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| 81 | { |
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| 82 | unsigned hash_key; |
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| 83 | unsigned size = translate_hash_key_size(key); |
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| 84 | /*debug_printf("key size = %d, (els = %d)\n", |
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| 85 | size, key->nr_elements);*/ |
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| 86 | hash_key = cso_construct_key(key, size); |
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| 87 | return hash_key; |
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| 88 | } |
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| 89 | |||
| 90 | struct translate * translate_cache_find(struct translate_cache *cache, |
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| 91 | struct translate_key *key) |
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| 92 | { |
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| 93 | unsigned hash_key = create_key(key); |
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| 94 | struct translate *translate = (struct translate*) |
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| 95 | cso_hash_find_data_from_template(cache->hash, |
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| 96 | hash_key, |
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| 97 | key, sizeof(*key)); |
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| 98 | |||
| 99 | if (!translate) { |
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| 100 | /* create/insert */ |
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| 101 | translate = translate_create(key); |
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| 102 | cso_hash_insert(cache->hash, hash_key, translate); |
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| 103 | } |
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| 104 | |||
| 105 | return translate; |
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| 106 | } |