meson: Don't build intel shared components by default

[mesa.git] / src / util / hash_table.h

diff --git a/src/util/hash_table.h b/src/util/hash_table.h
index b35ee871bb3ade5932fd7dfd31dffae523e576d2..d3e0758b26517c4225ea302e3d892e4a42c6d709 100644 (file)
--- a/src/util/hash_table.h
+++ b/src/util/hash_table.h
@@ -94,7 +94,7 @@ _mesa_hash_table_random_entry(struct hash_table *ht,
                               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_string(const void *key);
 bool _mesa_key_string_equal(const void *a, const void *b);
 bool _mesa_key_pointer_equal(const void *a, const void *b);
 
@@ -105,7 +105,8 @@ static inline uint32_t _mesa_key_hash_string(const void *key)
 
 static inline uint32_t _mesa_hash_pointer(const void *pointer)
 {
-   return _mesa_hash_data(&pointer, sizeof(pointer));
+   uintptr_t num = (uintptr_t) pointer;
+   return (uint32_t) ((num >> 2) ^ (num >> 6) ^ (num >> 10) ^ (num >> 14));
 }
 
 enum {
@@ -152,6 +153,31 @@ hash_table_call_foreach(struct hash_table *ht,
       callback(entry->key, entry->data, closure);
 }
 
+/**
+ * Hash table wrapper which supports 64-bit keys.
+ */
+struct hash_table_u64 {
+   struct hash_table *table;
+   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);
+
 #ifdef __cplusplus
 } /* extern C */
 #endif