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/* Copyright (c) 2023-2025 The Khronos Group Inc.
* Copyright (c) 2023-2025 Valve Corporation
* Copyright (c) 2023-2025 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// xxhash is a STB library: https://github.com/Cyan4973/xxHash/tree/v0.8.2#build-modifiers
#include "hash_util.h"
#define XXH_STATIC_LINKING_ONLY
#define XXH_IMPLEMENTATION
// Only include xxhash.h once!
#include "external/xxhash.h"
// Currently using version v0.8.2 of xxhash
static_assert(XXH_VERSION_MAJOR == 0);
static_assert(XXH_VERSION_MINOR == 8);
static_assert(XXH_VERSION_RELEASE == 2);
namespace hash_util {
uint32_t VuidHash(std::string_view vuid) {
constexpr uint32_t seed = 8;
return XXH32(vuid.data(), vuid.size(), seed);
}
uint32_t Hash32(const void *info, const size_t info_size) {
constexpr uint32_t seed = 0;
return XXH32(info, info_size, seed);
}
uint64_t Hash64(const void *info, const size_t info_size) {
constexpr uint64_t seed = 0;
return XXH64(info, info_size, seed);
}
} // namespace hash_util
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