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Diffstat (limited to 'src/backends/tosaReference/TosaRefTensorHandle.hpp')
-rw-r--r-- | src/backends/tosaReference/TosaRefTensorHandle.hpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/backends/tosaReference/TosaRefTensorHandle.hpp b/src/backends/tosaReference/TosaRefTensorHandle.hpp new file mode 100644 index 0000000000..431d56bd37 --- /dev/null +++ b/src/backends/tosaReference/TosaRefTensorHandle.hpp @@ -0,0 +1,82 @@ +// +// Copyright © 2022 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#pragma once + +#include <armnn/backends/TensorHandle.hpp> + +#include "TosaRefMemoryManager.hpp" + +namespace armnn +{ + +// An implementation of ITensorHandle with simple "bump the pointer" memory-management behaviour +class TosaRefTensorHandle : public ITensorHandle +{ +public: + TosaRefTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<TosaRefMemoryManager> &memoryManager); + + TosaRefTensorHandle(const TensorInfo& tensorInfo, MemorySourceFlags importFlags); + + ~TosaRefTensorHandle(); + + virtual void Manage() override; + + virtual void Allocate() override; + + virtual ITensorHandle* GetParent() const override + { + return nullptr; + } + + virtual const void* Map(bool /* blocking = true */) const override; + using ITensorHandle::Map; + + virtual void Unmap() const override + {} + + TensorShape GetStrides() const override + { + return GetUnpaddedTensorStrides(m_TensorInfo); + } + + TensorShape GetShape() const override + { + return m_TensorInfo.GetShape(); + } + + const TensorInfo& GetTensorInfo() const + { + return m_TensorInfo; + } + + virtual MemorySourceFlags GetImportFlags() const override + { + return m_ImportFlags; + } + + virtual bool Import(void* memory, MemorySource source) override; + virtual bool CanBeImported(void* memory, MemorySource source) override; + +private: + // Only used for testing + void CopyOutTo(void*) const override; + void CopyInFrom(const void*) override; + + void* GetPointer() const; + + TosaRefTensorHandle(const TosaRefTensorHandle& other) = delete; // noncopyable + TosaRefTensorHandle& operator=(const TosaRefTensorHandle& other) = delete; //noncopyable + + TensorInfo m_TensorInfo; + + std::shared_ptr<TosaRefMemoryManager> m_MemoryManager; + TosaRefMemoryManager::Pool* m_Pool; + mutable void* m_UnmanagedMemory; + MemorySourceFlags m_ImportFlags; + bool m_Imported; + bool m_IsImportEnabled; +}; + +} |