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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_CACHEKEY_H_
#define SRC_DAWN_NATIVE_CACHEKEY_H_
#include <utility>
#include "dawn/native/stream/ByteVectorSink.h"
#include "dawn/native/stream/Stream.h"
namespace dawn::native {
class CacheKey : public stream::ByteVectorSink {
public:
using stream::ByteVectorSink::ByteVectorSink;
enum class Type { ComputePipeline, RenderPipeline, Shader };
template <typename T>
class UnsafeUnkeyedValue {
public:
UnsafeUnkeyedValue() = default;
// NOLINTNEXTLINE(runtime/explicit) allow implicit construction to decrease verbosity
UnsafeUnkeyedValue(T&& value) : mValue(std::forward<T>(value)) {}
const T& UnsafeGetValue() const { return mValue; }
// Friend definition of StreamIn which can be found by ADL to override
// stream::StreamIn<T>.
friend constexpr void StreamIn(stream::Sink*, const UnsafeUnkeyedValue&) {}
private:
T mValue;
};
};
template <typename T>
CacheKey::UnsafeUnkeyedValue<T> UnsafeUnkeyedValue(T&& value) {
return CacheKey::UnsafeUnkeyedValue<T>(std::forward<T>(value));
}
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_CACHEKEY_H_