vc4: Use the fnv1 hash function instead of gallium util's crc32.

Improves simulated norast performance on a little benchmark by 13.4012%
+/- 2.08459% (n=13).

diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index b22426cf9aaeecba123ee50edd0a45f3fcdde0b5..690f644b61a625c2082595b5c94d0ba34562fd07 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -31,6 +31,7 @@
 #include "util/u_pack_color.h"
 #include "util/format_srgb.h"
 #include "util/ralloc.h"
+#include "util/hash_table.h"
 #include "tgsi/tgsi_dump.h"
 #include "tgsi/tgsi_info.h"
 #include "tgsi/tgsi_lowering.h"
@@ -1886,13 +1887,13 @@ vc4_update_compiled_shaders(struct vc4_context *vc4, uint8_t prim_mode)
 static unsigned
 fs_cache_hash(void *key)
 {
-        return util_hash_crc32(key, sizeof(struct vc4_fs_key));
+        return _mesa_hash_data(key, sizeof(struct vc4_fs_key));
 }
 
 static unsigned
 vs_cache_hash(void *key)
 {
-        return util_hash_crc32(key, sizeof(struct vc4_vs_key));
+        return _mesa_hash_data(key, sizeof(struct vc4_vs_key));
 }
 
 static int