Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2022 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #pragma once |
| 6 | |
| 7 | #include <armnn/backends/TensorHandle.hpp> |
| 8 | |
| 9 | #include "TosaRefMemoryManager.hpp" |
| 10 | |
| 11 | namespace armnn |
| 12 | { |
| 13 | |
| 14 | // An implementation of ITensorHandle with simple "bump the pointer" memory-management behaviour |
| 15 | class TosaRefTensorHandle : public ITensorHandle |
| 16 | { |
| 17 | public: |
| 18 | TosaRefTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<TosaRefMemoryManager> &memoryManager); |
| 19 | |
| 20 | TosaRefTensorHandle(const TensorInfo& tensorInfo, MemorySourceFlags importFlags); |
| 21 | |
| 22 | ~TosaRefTensorHandle(); |
| 23 | |
| 24 | virtual void Manage() override; |
| 25 | |
| 26 | virtual void Allocate() override; |
| 27 | |
| 28 | virtual ITensorHandle* GetParent() const override |
| 29 | { |
| 30 | return nullptr; |
| 31 | } |
| 32 | |
| 33 | virtual const void* Map(bool /* blocking = true */) const override; |
| 34 | using ITensorHandle::Map; |
| 35 | |
| 36 | virtual void Unmap() const override |
| 37 | {} |
| 38 | |
| 39 | TensorShape GetStrides() const override |
| 40 | { |
| 41 | return GetUnpaddedTensorStrides(m_TensorInfo); |
| 42 | } |
| 43 | |
| 44 | TensorShape GetShape() const override |
| 45 | { |
| 46 | return m_TensorInfo.GetShape(); |
| 47 | } |
| 48 | |
| 49 | const TensorInfo& GetTensorInfo() const |
| 50 | { |
| 51 | return m_TensorInfo; |
| 52 | } |
| 53 | |
| 54 | virtual MemorySourceFlags GetImportFlags() const override |
| 55 | { |
| 56 | return m_ImportFlags; |
| 57 | } |
| 58 | |
| 59 | virtual bool Import(void* memory, MemorySource source) override; |
| 60 | virtual bool CanBeImported(void* memory, MemorySource source) override; |
| 61 | |
| 62 | private: |
| 63 | // Only used for testing |
| 64 | void CopyOutTo(void*) const override; |
| 65 | void CopyInFrom(const void*) override; |
| 66 | |
| 67 | void* GetPointer() const; |
| 68 | |
| 69 | TosaRefTensorHandle(const TosaRefTensorHandle& other) = delete; // noncopyable |
| 70 | TosaRefTensorHandle& operator=(const TosaRefTensorHandle& other) = delete; //noncopyable |
| 71 | |
| 72 | TensorInfo m_TensorInfo; |
| 73 | |
| 74 | std::shared_ptr<TosaRefMemoryManager> m_MemoryManager; |
| 75 | TosaRefMemoryManager::Pool* m_Pool; |
| 76 | mutable void* m_UnmanagedMemory; |
| 77 | MemorySourceFlags m_ImportFlags; |
| 78 | bool m_Imported; |
| 79 | bool m_IsImportEnabled; |
| 80 | }; |
| 81 | |
| 82 | } |