| /* |
| * Copyright (c) 2017-2018 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_GRAPH_SUBTENSOR_H__ |
| #define __ARM_COMPUTE_GRAPH_SUBTENSOR_H__ |
| |
| #include "arm_compute/graph/ITensorAccessor.h" |
| #include "arm_compute/graph/ITensorObject.h" |
| #include "arm_compute/graph/Tensor.h" |
| #include "arm_compute/graph/Types.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| /** SubTensor class */ |
| class SubTensor final : public ITensorObject |
| { |
| public: |
| /** Default Constructor */ |
| SubTensor(); |
| /** Constructor |
| * |
| * @param[in] parent Parent to create sub-tensor from |
| * @param[in] tensor_shape Sub-tensor shape |
| * @param[in] coords Starting coordinates of the sub-tensor in the parent tensor |
| * @param[in] extend_parent (Optional) Extend parent with subtensor shape if subtensor indexes out of bounds |
| */ |
| SubTensor(Tensor &parent, TensorShape tensor_shape, Coordinates coords, bool extend_parent = false); |
| /** Constructor |
| * |
| * @param[in] parent Parent to create sub-tensor from |
| * @param[in] tensor_shape Sub-tensor shape |
| * @param[in] coords Starting coordinates of the sub-tensor in the parent tensor |
| * @param[in] target Execution target |
| * @param[in] extend_parent (Optional) Extend parent with subtensor shape if subtensor indexes out of bounds |
| */ |
| SubTensor(arm_compute::ITensor *parent, TensorShape tensor_shape, Coordinates coords, TargetHint target, bool extend_parent = false); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| SubTensor(const SubTensor &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| SubTensor &operator=(const SubTensor &) = delete; |
| /** Allow instances of this class to be moved */ |
| SubTensor(SubTensor &&) = default; |
| /** Allow instances of this class to be moved */ |
| SubTensor &operator=(SubTensor &&) = default; |
| /** Default Destructor */ |
| ~SubTensor() = default; |
| |
| // Inherited methods overriden: |
| bool call_accessor() override; |
| bool has_accessor() const override; |
| arm_compute::ITensor *set_target(TargetHint target) override; |
| arm_compute::ITensor *tensor() override; |
| const arm_compute::ITensor *tensor() const override; |
| TargetHint target() const override; |
| void allocate() override; |
| |
| private: |
| /** Instantiates a sub-tensor */ |
| void instantiate_subtensor(); |
| |
| private: |
| TargetHint _target; /**< Target that this tensor is pinned on */ |
| TensorShape _tensor_shape; /**< SubTensor shape */ |
| Coordinates _coords; /**< SubTensor Coordinates */ |
| arm_compute::ITensor *_parent; /**< Parent tensor */ |
| std::unique_ptr<arm_compute::ITensor> _subtensor; /**< SubTensor */ |
| bool _extend_parent; /**< Parent extension flag */ |
| }; |
| } // namespace graph |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_GRAPH_SUBTENSOR_H__ */ |