| /* |
| * Copyright (c) 2017 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. |
| */ |
| #include "arm_compute/graph/SubTensor.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/runtime/CL/CLSubTensor.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/SubTensor.h" |
| #include "arm_compute/runtime/Tensor.h" |
| #include "utils/TypePrinter.h" |
| |
| using namespace arm_compute::graph; |
| |
| namespace |
| { |
| template <typename SubTensorType, typename ParentTensorType> |
| std::unique_ptr<arm_compute::ITensor> initialise_subtensor(arm_compute::ITensor *parent, TensorShape shape, Coordinates coords) |
| { |
| auto ptensor = dynamic_cast<ParentTensorType *>(parent); |
| auto subtensor = arm_compute::support::cpp14::make_unique<SubTensorType>(ptensor, shape, coords); |
| return std::move(subtensor); |
| } |
| } // namespace |
| |
| SubTensor::SubTensor() |
| : _target(TargetHint::DONT_CARE), _tensor_shape(), _coords(), _parent(nullptr), _subtensor(nullptr) |
| { |
| } |
| |
| SubTensor::SubTensor(Tensor &parent, TensorShape tensor_shape, Coordinates coords) |
| : _target(TargetHint::DONT_CARE), _tensor_shape(tensor_shape), _coords(coords), _parent(nullptr), _subtensor(nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON(parent.tensor() == nullptr); |
| _parent = parent.tensor(); |
| _target = parent.target(); |
| |
| instantiate_subtensor(); |
| } |
| |
| SubTensor::SubTensor(arm_compute::ITensor *parent, TensorShape tensor_shape, Coordinates coords, TargetHint target) |
| : _target(target), _tensor_shape(tensor_shape), _coords(coords), _parent(parent), _subtensor(nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON(parent == nullptr); |
| instantiate_subtensor(); |
| } |
| |
| bool SubTensor::call_accessor() |
| { |
| return true; |
| } |
| |
| bool SubTensor::has_accessor() const |
| { |
| return false; |
| } |
| |
| arm_compute::ITensor *SubTensor::set_target(TargetHint target) |
| { |
| ARM_COMPUTE_ERROR_ON(target != _target); |
| return (target == _target) ? _subtensor.get() : nullptr; |
| } |
| |
| arm_compute::ITensor *SubTensor::tensor() |
| { |
| return _subtensor.get(); |
| } |
| |
| const arm_compute::ITensor *SubTensor::tensor() const |
| { |
| return _subtensor.get(); |
| } |
| |
| TargetHint SubTensor::target() const |
| { |
| return _target; |
| } |
| |
| void SubTensor::allocate() |
| { |
| // NOP for sub-tensors |
| } |
| |
| void SubTensor::instantiate_subtensor() |
| { |
| switch(_target) |
| { |
| case TargetHint::OPENCL: |
| _subtensor = initialise_subtensor<arm_compute::CLSubTensor, arm_compute::ICLTensor>(_parent, _tensor_shape, _coords); |
| break; |
| case TargetHint::NEON: |
| _subtensor = initialise_subtensor<arm_compute::SubTensor, arm_compute::ITensor>(_parent, _tensor_shape, _coords); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Invalid TargetHint"); |
| } |
| } |