diff options
| author | Ian Romanick <ian.d.romanick@intel.com> | 2010-07-06 14:49:14 -0700 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-07-06 15:00:46 -0700 |
| commit | d1a1ee583e7e8338243b3e9768d2fc5312a1145d (patch) | |
| tree | d1bada4bebfbdf7bb7dbdc6435927a7e4c0cb5ac /src/mesa/shader/hash_table.c | |
| parent | e45a982313e02dbc186b51cf0935e0bec18dc61a (diff) | |
Add hash table helper functions for using pointers as hash keys
Diffstat (limited to 'src/mesa/shader/hash_table.c')
| -rw-r--r-- | src/mesa/shader/hash_table.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/shader/hash_table.c b/src/mesa/shader/hash_table.c index fa6ba2bfdf..933e300abd 100644 --- a/src/mesa/shader/hash_table.c +++ b/src/mesa/shader/hash_table.c @@ -157,3 +157,17 @@ hash_table_string_hash(const void *key) return hash; } + + +unsigned +hash_table_pointer_hash(const void *key) +{ + return (unsigned)((uintptr_t) key / sizeof(void *)); +} + + +int +hash_table_pointer_compare(const void *key1, const void *key2) +{ + return key1 == key2 ? 0 : 1; +} |