/*
* Mesa 3-D graphics library
- * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "glheader.h"
+#include "imports.h"
+/**
+ * The hash table data structure.
+ */
+struct _mesa_HashTable {
+ struct hash_table *ht;
+ GLuint MaxKey; /**< highest key inserted so far */
+ mtx_t Mutex; /**< mutual exclusion lock */
+ GLboolean InDeleteAll; /**< Debug check */
+ /** Value that would be in the table for DELETED_KEY_VALUE. */
+ void *deleted_key_data;
+};
+
extern struct _mesa_HashTable *_mesa_NewHashTable(void);
extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table);
extern void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key);
+/**
+ * Lock the hash table mutex.
+ *
+ * This function should be used when multiple objects need
+ * to be looked up in the hash table, to avoid having to lock
+ * and unlock the mutex each time.
+ *
+ * \param table the hash table.
+ */
+static inline void
+_mesa_HashLockMutex(struct _mesa_HashTable *table)
+{
+ assert(table);
+ mtx_lock(&table->Mutex);
+}
+
+
+/**
+ * Unlock the hash table mutex.
+ *
+ * \param table the hash table.
+ */
+static inline void
+_mesa_HashUnlockMutex(struct _mesa_HashTable *table)
+{
+ assert(table);
+ mtx_unlock(&table->Mutex);
+}
+
+extern void *_mesa_HashLookupLocked(struct _mesa_HashTable *table, GLuint key);
+
+extern void _mesa_HashInsertLocked(struct _mesa_HashTable *table,
+ GLuint key, void *data);
+
+extern void _mesa_HashRemoveLocked(struct _mesa_HashTable *table, GLuint key);
+
extern void
_mesa_HashDeleteAll(struct _mesa_HashTable *table,
void (*callback)(GLuint key, void *data, void *userData),
void (*callback)(GLuint key, void *data, void *userData),
void *userData);
-extern GLuint _mesa_HashFirstEntry(struct _mesa_HashTable *table);
-
-extern GLuint _mesa_HashNextEntry(const struct _mesa_HashTable *table, GLuint key);
+extern void
+_mesa_HashWalkLocked(const struct _mesa_HashTable *table,
+ void (*callback)(GLuint key, void *data, void *userData),
+ void *userData);
extern void _mesa_HashPrint(const struct _mesa_HashTable *table);
extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys);
+extern GLuint
+_mesa_HashNumEntries(const struct _mesa_HashTable *table);
+
extern void _mesa_test_hash_functions(void);