xxhash is faster than fnv1a in almost all circumstances, so we're
switching to it globally.
Signed-off-by: Dmytro Nester <dmytro.nester@globallogic.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4020>
#include "brw_program.h"
#include "compiler/brw_eu.h"
#include "util/u_memory.h"
#include "brw_program.h"
#include "compiler/brw_eu.h"
#include "util/u_memory.h"
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
#define FILE_DEBUG_FLAG DEBUG_STATE
#define FILE_DEBUG_FLAG DEBUG_STATE
static GLuint
hash_key(struct brw_cache_item *item)
{
static GLuint
hash_key(struct brw_cache_item *item)
{
- uint32_t hash = _mesa_fnv32_1a_offset_bias;
- hash = _mesa_fnv32_1a_accumulate(hash, item->cache_id);
- hash = _mesa_fnv32_1a_accumulate_block(hash, item->key, item->key_size);
+ uint32_t hash = 0;
+ hash = XXH32(&item->cache_id, sizeof(item->cache_id), hash);
+ hash = XXH32(item->key, item->key_size, hash);