RefTensorHandleFactory.hpp

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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
 
#pragma once
 
#include "RefMemoryManager.hpp"
 
#include <armnn/backends/ITensorHandleFactory.hpp>
 
namespace armnn
{
 
constexpr const char * RefTensorHandleFactoryId() { return "Arm/Ref/TensorHandleFactory"; }
 
class RefTensorHandleFactory : public ITensorHandleFactory
{
 
public:
    RefTensorHandleFactory(std::shared_ptr<RefMemoryManager> mgr)
    : m_MemoryManager(mgr),
      m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Malloc)),
      m_ExportFlags(static_cast<MemorySourceFlags>(MemorySource::Malloc))
    {}
 
    std::unique_ptr<ITensorHandle> CreateSubTensorHandle(ITensorHandle& parent,
                                                         TensorShape const& subTensorShape,
                                                         unsigned int const* subTensorOrigin) const override;
 
    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo) const override;
 
    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
                                                      DataLayout dataLayout) const override;
 
    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
                                                      const bool IsMemoryManaged) const override;
 
    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
                                                      DataLayout dataLayout,
                                                      const bool IsMemoryManaged) const override;
 
    static const FactoryId& GetIdStatic();
 
    const FactoryId& GetId() const override;
 
    bool SupportsSubTensors() const override;
 
    MemorySourceFlags GetExportFlags() const override;
 
    MemorySourceFlags GetImportFlags() const override;
 
private:
    mutable std::shared_ptr<RefMemoryManager> m_MemoryManager;
    MemorySourceFlags m_ImportFlags;
    MemorySourceFlags m_ExportFlags;
 
};
 
} // namespace armnn