1 /* 2 * Copyright (c) 2018-2019 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H 25 #define ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H 26 27 #include "arm_compute/graph/ITensorHandle.h" 28 29 #include "arm_compute/runtime/CL/CLSubTensor.h" 30 31 namespace arm_compute 32 { 33 namespace graph 34 { 35 namespace backends 36 { 37 /** OpenCL Sub-Tensor handle interface object **/ 38 class CLSubTensorHandle final : public ITensorHandle 39 { 40 public: 41 /** Default constructor 42 * 43 * @param[in] parent_handle Parent tensor handle 44 * @param[in] shape Sub-Tensor shape 45 * @param[in] coords Starting coordinates 46 * @param[in] extend_parent Extends parent shape if true 47 */ 48 CLSubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent = false); 49 /** Destructor: free the tensor's memory */ 50 ~CLSubTensorHandle() = default; 51 /** Allow instances of this class to be move constructed */ 52 CLSubTensorHandle(CLSubTensorHandle &&) = default; 53 /** Allow instances of this class to be moved */ 54 CLSubTensorHandle &operator=(CLSubTensorHandle &&) = default; 55 /** Prevent instances of this class from being copied (As this class contains pointers) */ 56 CLSubTensorHandle(const CLSubTensorHandle &) = delete; 57 /** Prevent instances of this class from being copied (As this class contains pointers) */ 58 CLSubTensorHandle &operator=(const CLSubTensorHandle &) = delete; 59 60 // Inherited overridden methods 61 void allocate() override; 62 void free() override; 63 void manage(IMemoryGroup *mg) override; 64 void map(bool blocking) override; 65 void unmap() override; 66 void release_if_unused() override; 67 arm_compute::ITensor &tensor() override; 68 const arm_compute::ITensor &tensor() const override; 69 ITensorHandle *parent_handle() override; 70 bool is_subtensor() const override; 71 Target target() const override; 72 73 private: 74 arm_compute::CLSubTensor _sub_tensor; /**< Backend Sub-Tensor */ 75 ITensorHandle *_parent_handle; /**< Parent handle */ 76 }; 77 } // namespace backends 78 } // namespace graph 79 } // namespace arm_compute 80 #endif /* ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H */ 81