SampleDynamicTensorHandleFactory.hpp

Go to the documentation of this file.

//
// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
 
#pragma once
 
#include "SampleMemoryManager.hpp"
 
#include <armnn/backends/ITensorHandleFactory.hpp>
 
namespace sdb // sample dynamic backend
{
 
constexpr const char * SampleDynamicTensorHandleFactoryId() { return "Arm/SampleDynamic/TensorHandleFactory"; }
 
class SampleDynamicTensorHandleFactory : public armnn::ITensorHandleFactory
{
 
public:
    SampleDynamicTensorHandleFactory(std::shared_ptr<SampleMemoryManager> mgr)
    : m_MemoryManager(mgr),
      m_ImportFlags(static_cast<armnn::MemorySourceFlags>(armnn::MemorySource::Malloc)),
      m_ExportFlags(static_cast<armnn::MemorySourceFlags>(armnn::MemorySource::Malloc))
    {}
 
    std::unique_ptr<armnn::ITensorHandle> CreateSubTensorHandle(armnn::ITensorHandle& parent,
                                                                armnn::TensorShape const& subTensorShape,
                                                                unsigned int const* subTensorOrigin) const override;
 
    std::unique_ptr<armnn::ITensorHandle> CreateTensorHandle(const armnn::TensorInfo& tensorInfo) const override;
 
    std::unique_ptr<armnn::ITensorHandle> CreateTensorHandle(const armnn::TensorInfo& tensorInfo,
                                                             armnn::DataLayout dataLayout) const override;
 
    std::unique_ptr<armnn::ITensorHandle> CreateTensorHandle(const armnn::TensorInfo& tensorInfo,
                                                             const bool IsMemoryManaged) const override;
 
    std::unique_ptr<armnn::ITensorHandle> CreateTensorHandle(const armnn::TensorInfo& tensorInfo,
                                                             armnn::DataLayout dataLayout,
                                                             const bool IsMemoryManaged) const override;
 
    static const FactoryId& GetIdStatic();
 
    const FactoryId& GetId() const override;
 
    bool SupportsSubTensors() const override;
 
    armnn::MemorySourceFlags GetExportFlags() const override;
 
    armnn::MemorySourceFlags GetImportFlags() const override;
 
private:
    mutable std::shared_ptr<SampleMemoryManager> m_MemoryManager;
    armnn::MemorySourceFlags m_ImportFlags;
    armnn::MemorySourceFlags m_ExportFlags;
};
 
} // namespace sdb