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 #include "arm_compute/graph/nodes/ResizeLayerNode.h"
25
26 #include "arm_compute/graph/Graph.h"
27 #include "arm_compute/graph/INodeVisitor.h"
28 #include "arm_compute/graph/Utils.h"
29
30 namespace arm_compute
31 {
32 namespace graph
33 {
ResizeLayerNode(InterpolationPolicy policy,float scale_width,float scale_height)34 ResizeLayerNode::ResizeLayerNode(InterpolationPolicy policy, float scale_width, float scale_height)
35 : _policy(policy), _scale_width(scale_width), _scale_height(scale_height)
36 {
37 _input_edges.resize(1, EmptyEdgeID);
38 _outputs.resize(1, NullTensorID);
39 }
40
policy() const41 InterpolationPolicy ResizeLayerNode::policy() const
42 {
43 return _policy;
44 }
45
scaling_factor() const46 std::pair<float, float> ResizeLayerNode::scaling_factor() const
47 {
48 return std::make_pair(_scale_width, _scale_height);
49 }
50
forward_descriptors()51 bool ResizeLayerNode::forward_descriptors()
52 {
53 if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
54 {
55 Tensor *dst = output(0);
56 ARM_COMPUTE_ERROR_ON(dst == nullptr);
57 dst->desc() = configure_output(0);
58 return true;
59 }
60 return false;
61 }
62
configure_output(size_t idx) const63 TensorDescriptor ResizeLayerNode::configure_output(size_t idx) const
64 {
65 ARM_COMPUTE_UNUSED(idx);
66 ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
67
68 const Tensor *src = input(0);
69 ARM_COMPUTE_ERROR_ON(src == nullptr);
70
71 const DataLayout data_layout = src->desc().layout;
72 TensorDescriptor output_desc = src->desc();
73 size_t width_idx = get_dimension_idx(data_layout, DataLayoutDimension::WIDTH);
74 size_t height_idx = get_dimension_idx(data_layout, DataLayoutDimension::HEIGHT);
75 output_desc.shape.set(width_idx, static_cast<int>(output_desc.shape[width_idx] * _scale_width));
76 output_desc.shape.set(height_idx, static_cast<int>(output_desc.shape[height_idx] * _scale_height));
77
78 return output_desc;
79 }
80
type() const81 NodeType ResizeLayerNode::type() const
82 {
83 return NodeType::ResizeLayer;
84 }
85
accept(INodeVisitor & v)86 void ResizeLayerNode::accept(INodeVisitor &v)
87 {
88 v.visit(*this);
89 }
90 } // namespace graph
91 } // namespace arm_compute