| /* |
| * Copyright (c) 2018-2019 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/nodes/ReorgLayerNode.h" |
| |
| #include "arm_compute/graph/Graph.h" |
| #include "arm_compute/graph/INodeVisitor.h" |
| #include "arm_compute/graph/Utils.h" |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| ReorgLayerNode::ReorgLayerNode(int stride) |
| : _stride(stride) |
| { |
| _input_edges.resize(1, EmptyEdgeID); |
| _outputs.resize(1, NullTensorID); |
| } |
| |
| int ReorgLayerNode::stride() const |
| { |
| return _stride; |
| } |
| |
| TensorDescriptor ReorgLayerNode::compute_output_descriptor(const TensorDescriptor &input_descriptor, int stride) |
| { |
| const unsigned int input_width = get_dimension_size(input_descriptor, DataLayoutDimension::WIDTH); |
| const unsigned int input_height = get_dimension_size(input_descriptor, DataLayoutDimension::HEIGHT); |
| const unsigned int input_channel = get_dimension_size(input_descriptor, DataLayoutDimension::CHANNEL); |
| |
| ARM_COMPUTE_ERROR_ON(stride <= 0); |
| ARM_COMPUTE_ERROR_ON_MSG((input_width % stride != 0), "The width of the input tensor must be a multiple of stride"); |
| ARM_COMPUTE_ERROR_ON_MSG((input_height % stride != 0), "The height of the input tensor must be a multiple of stride"); |
| |
| const DataLayout data_layout = input_descriptor.layout; |
| TensorDescriptor output_descriptor = input_descriptor; |
| output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::WIDTH), input_width / stride); |
| output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::HEIGHT), input_height / stride); |
| output_descriptor.shape.set(get_dimension_idx(data_layout, DataLayoutDimension::CHANNEL), input_channel * stride * stride); |
| |
| return output_descriptor; |
| } |
| |
| bool ReorgLayerNode::forward_descriptors() |
| { |
| if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID)) |
| { |
| Tensor *dst = output(0); |
| ARM_COMPUTE_ERROR_ON(dst == nullptr); |
| dst->desc() = configure_output(0); |
| return true; |
| } |
| return false; |
| } |
| |
| TensorDescriptor ReorgLayerNode::configure_output(size_t idx) const |
| { |
| ARM_COMPUTE_UNUSED(idx); |
| ARM_COMPUTE_ERROR_ON(idx >= _outputs.size()); |
| |
| const Tensor *src = input(0); |
| ARM_COMPUTE_ERROR_ON(src == nullptr); |
| |
| return compute_output_descriptor(src->desc(), _stride); |
| } |
| |
| NodeType ReorgLayerNode::type() const |
| { |
| return NodeType::ReorgLayer; |
| } |
| |
| void ReorgLayerNode::accept(INodeVisitor &v) |
| { |
| v.visit(*this); |
| } |
| } // namespace graph |
| } // namespace arm_compute |