-/*
+/*
* Copyright © 2009,2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
#include <stdlib.h>
#include <inttypes.h>
#include <stdbool.h>
+#include "c99_compat.h"
#include "macros.h"
#ifdef __cplusplus
struct hash_table {
struct hash_entry *table;
+ uint32_t (*key_hash_function)(const void *key);
bool (*key_equals_function)(const void *a, const void *b);
const void *deleted_key;
uint32_t size;
uint32_t rehash;
+ uint64_t size_magic;
+ uint64_t rehash_magic;
uint32_t max_entries;
uint32_t size_index;
uint32_t entries;
struct hash_table *
_mesa_hash_table_create(void *mem_ctx,
+ uint32_t (*key_hash_function)(const void *key),
bool (*key_equals_function)(const void *a,
const void *b));
+
+bool
+_mesa_hash_table_init(struct hash_table *ht,
+ void *mem_ctx,
+ uint32_t (*key_hash_function)(const void *key),
+ bool (*key_equals_function)(const void *a,
+ const void *b));
+
+struct hash_table *
+_mesa_hash_table_clone(struct hash_table *src, void *dst_mem_ctx);
void _mesa_hash_table_destroy(struct hash_table *ht,
void (*delete_function)(struct hash_entry *entry));
+void _mesa_hash_table_clear(struct hash_table *ht,
+ void (*delete_function)(struct hash_entry *entry));
void _mesa_hash_table_set_deleted_key(struct hash_table *ht,
const void *deleted_key);
+static inline uint32_t _mesa_hash_table_num_entries(struct hash_table *ht)
+{
+ return ht->entries;
+}
+
+struct hash_entry *
+_mesa_hash_table_insert(struct hash_table *ht, const void *key, void *data);
struct hash_entry *
-_mesa_hash_table_insert(struct hash_table *ht, uint32_t hash,
- const void *key, void *data);
+_mesa_hash_table_insert_pre_hashed(struct hash_table *ht, uint32_t hash,
+ const void *key, void *data);
struct hash_entry *
-_mesa_hash_table_search(struct hash_table *ht, uint32_t hash,
- const void *key);
+_mesa_hash_table_search(struct hash_table *ht, const void *key);
+struct hash_entry *
+_mesa_hash_table_search_pre_hashed(struct hash_table *ht, uint32_t hash,
+ const void *key);
void _mesa_hash_table_remove(struct hash_table *ht,
struct hash_entry *entry);
+void _mesa_hash_table_remove_key(struct hash_table *ht,
+ const void *key);
struct hash_entry *_mesa_hash_table_next_entry(struct hash_table *ht,
struct hash_entry *entry);
bool (*predicate)(struct hash_entry *entry));
uint32_t _mesa_hash_data(const void *data, size_t size);
-uint32_t _mesa_hash_string(const char *key);
+
+uint32_t _mesa_hash_int(const void *key);
+uint32_t _mesa_hash_uint(const void *key);
+uint32_t _mesa_hash_u32(const void *key);
+uint32_t _mesa_hash_string(const void *key);
+uint32_t _mesa_hash_pointer(const void *pointer);
+
+bool _mesa_key_int_equal(const void *a, const void *b);
+bool _mesa_key_uint_equal(const void *a, const void *b);
+bool _mesa_key_u32_equal(const void *a, const void *b);
bool _mesa_key_string_equal(const void *a, const void *b);
bool _mesa_key_pointer_equal(const void *a, const void *b);
-static inline uint32_t _mesa_hash_pointer(const void *pointer)
-{
- return _mesa_hash_data(&pointer, sizeof(pointer));
-}
+struct hash_table *
+_mesa_pointer_hash_table_create(void *mem_ctx);
/**
* This foreach function is safe against deletion (which just replaces
* an entry's data with the deleted marker), but not against insertion
* (which may rehash the table, making entry a dangling pointer).
*/
-#define hash_table_foreach(ht, entry) \
- for (entry = _mesa_hash_table_next_entry(ht, NULL); \
- entry != NULL; \
+#define hash_table_foreach(ht, entry) \
+ for (struct hash_entry *entry = _mesa_hash_table_next_entry(ht, NULL); \
+ entry != NULL; \
entry = _mesa_hash_table_next_entry(ht, entry))
+static inline void
+hash_table_call_foreach(struct hash_table *ht,
+ void (*callback)(const void *key,
+ void *data,
+ void *closure),
+ void *closure)
+{
+ hash_table_foreach(ht, entry)
+ callback(entry->key, entry->data, closure);
+}
+
+/**
+ * Hash table wrapper which supports 64-bit keys.
+ */
+struct hash_table_u64 {
+ struct hash_table *table;
+ void *freed_key_data;
+ void *deleted_key_data;
+};
+
+struct hash_table_u64 *
+_mesa_hash_table_u64_create(void *mem_ctx);
+
+void
+_mesa_hash_table_u64_destroy(struct hash_table_u64 *ht,
+ void (*delete_function)(struct hash_entry *entry));
+
+void
+_mesa_hash_table_u64_insert(struct hash_table_u64 *ht, uint64_t key,
+ void *data);
+
+void *
+_mesa_hash_table_u64_search(struct hash_table_u64 *ht, uint64_t key);
+
+void
+_mesa_hash_table_u64_remove(struct hash_table_u64 *ht, uint64_t key);
+
+void
+_mesa_hash_table_u64_clear(struct hash_table_u64 *ht,
+ void (*delete_function)(struct hash_entry *entry));
+
#ifdef __cplusplus
} /* extern C */
#endif