From 2fcebf2f1e153d7799c0375d301e020bc7570bec Mon Sep 17 00:00:00 2001
From: Felix DeGrood <felix.j.degrood@intel.com>
Date: Wed, 11 Sep 2024 22:11:17 +0000
Subject: [PATCH] util: add hash functions for u64 data type
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Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30142>
---
 src/util/hash_table.c | 12 ++++++++++++
 src/util/hash_table.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/src/util/hash_table.c b/src/util/hash_table.c
index 3835ead9255..25b16cd3f31 100644
--- a/src/util/hash_table.c
+++ b/src/util/hash_table.c
@@ -663,6 +663,12 @@ _mesa_hash_u32(const void *key)
    return XXH32(key, 4, 0);
 }
 
+uint32_t
+_mesa_hash_u64(const void *key)
+{
+   return XXH32(key, 8, 0);
+}
+
 /** FNV-1a string hash implementation */
 uint32_t
 _mesa_hash_string(const void *_key)
@@ -709,6 +715,12 @@ _mesa_key_u32_equal(const void *a, const void *b)
    return *((const uint32_t *)a) == *((const uint32_t *)b);
 }
 
+bool
+_mesa_key_u64_equal(const void *a, const void *b)
+{
+   return *((const uint64_t *)a) == *((const uint64_t *)b);
+}
+
 /**
  * String compare function for use as the comparison callback in
  * _mesa_hash_table_create().
diff --git a/src/util/hash_table.h b/src/util/hash_table.h
index 31441e28c6e..928f3db7d0d 100644
--- a/src/util/hash_table.h
+++ b/src/util/hash_table.h
@@ -117,6 +117,7 @@ uint32_t _mesa_hash_data_with_seed(const void *data, size_t size, uint32_t seed)
 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_u64(const void *key);
 uint32_t _mesa_hash_string(const void *key);
 uint32_t _mesa_hash_string_with_length(const void *_key, unsigned length);
 uint32_t _mesa_hash_pointer(const void *pointer);
@@ -124,6 +125,7 @@ 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_u64_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);