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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "IBackendInternal.hpp"
#include <functional>
#include <memory>
namespace armnn
{
class DynamicBackend
{
public:
using HandleCloser = std::function<void(const void*)>;
using HandlePtr = std::unique_ptr<void, HandleCloser>;
explicit DynamicBackend(const void* sharedObjectHandle);
/// Public dynamic backend functions
BackendId GetBackendId();
BackendVersion GetBackendVersion();
IBackendInternalUniquePtr GetBackend();
private:
template<typename BackendFunctionType>
BackendFunctionType SetFunctionPointer(const std::string& backendFunctionName);
/// Backend function pointer types
using IdFunctionType = const char*(*)();
using VersionFunctionType = void(*)(uint32_t*, uint32_t*);
using FactoryFunctionType = void*(*)();
/// Backend function pointers
IdFunctionType m_BackendIdFunction;
VersionFunctionType m_BackendVersionFunction;
FactoryFunctionType m_BackendFactoryFunction;
/// Shared object handle
HandlePtr m_Handle;
};
using DynamicBackendPtr = std::unique_ptr<DynamicBackend>;
} // namespace armnn
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