src/Pipeline/SpirvBinary.hpp

// Copyright 2021 The SwiftShader Authors. All Rights Reserved.
//
// 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.

#ifndef sw_SpirvBinary_hpp
#define sw_SpirvBinary_hpp

#include <atomic>
#include <cstdint>
#include <vector>

namespace sw {

class SpirvBinary : public std::vector<uint32_t>
{
public:
	SpirvBinary();
	SpirvBinary(const uint32_t *binary, uint32_t wordCount);

	inline uint32_t getIdentifier() const { return identifier; };

	// Assigns an identifier derived from the unoptimized SPIR-V binary, to avoid recompiles.
	void mapOptimizedIdentifier(const SpirvBinary &unoptimized);

private:
	static std::atomic<uint32_t> serialCounter;

	uint32_t identifier;
};

}  // namespace sw

#endif  // sw_SpirvBinary_hpp