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authorBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
committerBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
commite97681c7f551a2a2a6bd5eff0f4192a870c816c0 (patch)
treedff2bf0e6d22efb92af131f64be0621ed316977c /src/gallium/auxiliary/translate/translate_cache.c
parent1a46c8a062aea59de5cf55881104489db5d609e5 (diff)
parentb907d4cd8fafe719b4f87d877562829548937485 (diff)
mesa: merge gallium-0.2 into gallium-master-merge
Merge commit 'origin/gallium-0.2' into gallium-master-merge Conflicts: Makefile docs/relnotes-7.4.html docs/relnotes.html src/mesa/drivers/dri/i965/brw_wm.h src/mesa/main/imports.c src/mesa/main/mtypes.h src/mesa/main/texcompress.c src/mesa/main/texenvprogram.c src/mesa/main/version.h src/mesa/vbo/vbo_exec_api.c src/mesa/vbo/vbo_save_draw.c
Diffstat (limited to 'src/gallium/auxiliary/translate/translate_cache.c')
-rw-r--r--src/gallium/auxiliary/translate/translate_cache.c102
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 00000000000..d8069a149cf
--- /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;
+}