xref: /aosp_15_r20/external/ComputeLibrary/src/graph/nodes/PadLayerNode.cpp (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1*c217d954SCole Faust /*
2*c217d954SCole Faust  * Copyright (c) 2018-2020 Arm Limited.
3*c217d954SCole Faust  *
4*c217d954SCole Faust  * SPDX-License-Identifier: MIT
5*c217d954SCole Faust  *
6*c217d954SCole Faust  * Permission is hereby granted, free of charge, to any person obtaining a copy
7*c217d954SCole Faust  * of this software and associated documentation files (the "Software"), to
8*c217d954SCole Faust  * deal in the Software without restriction, including without limitation the
9*c217d954SCole Faust  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10*c217d954SCole Faust  * sell copies of the Software, and to permit persons to whom the Software is
11*c217d954SCole Faust  * furnished to do so, subject to the following conditions:
12*c217d954SCole Faust  *
13*c217d954SCole Faust  * The above copyright notice and this permission notice shall be included in all
14*c217d954SCole Faust  * copies or substantial portions of the Software.
15*c217d954SCole Faust  *
16*c217d954SCole Faust  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17*c217d954SCole Faust  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18*c217d954SCole Faust  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19*c217d954SCole Faust  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20*c217d954SCole Faust  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21*c217d954SCole Faust  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22*c217d954SCole Faust  * SOFTWARE.
23*c217d954SCole Faust  */
24*c217d954SCole Faust #include "arm_compute/graph/nodes/PadLayerNode.h"
25*c217d954SCole Faust 
26*c217d954SCole Faust #include "arm_compute/graph/Graph.h"
27*c217d954SCole Faust #include "arm_compute/graph/INodeVisitor.h"
28*c217d954SCole Faust 
29*c217d954SCole Faust #include "arm_compute/core/Helpers.h"
30*c217d954SCole Faust 
31*c217d954SCole Faust namespace arm_compute
32*c217d954SCole Faust {
33*c217d954SCole Faust namespace graph
34*c217d954SCole Faust {
PadLayerNode(const PaddingList & padding,PixelValue pad_value)35*c217d954SCole Faust PadLayerNode::PadLayerNode(const PaddingList &padding, PixelValue pad_value)
36*c217d954SCole Faust     : _padding(padding), _pad_value(pad_value)
37*c217d954SCole Faust {
38*c217d954SCole Faust     _input_edges.resize(1, EmptyEdgeID);
39*c217d954SCole Faust     _outputs.resize(1, NullTensorID);
40*c217d954SCole Faust }
41*c217d954SCole Faust 
padding() const42*c217d954SCole Faust const PaddingList &PadLayerNode::padding() const
43*c217d954SCole Faust {
44*c217d954SCole Faust     return _padding;
45*c217d954SCole Faust }
46*c217d954SCole Faust 
pad_value() const47*c217d954SCole Faust PixelValue PadLayerNode::pad_value() const
48*c217d954SCole Faust {
49*c217d954SCole Faust     return _pad_value;
50*c217d954SCole Faust }
51*c217d954SCole Faust 
forward_descriptors()52*c217d954SCole Faust bool PadLayerNode::forward_descriptors()
53*c217d954SCole Faust {
54*c217d954SCole Faust     if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
55*c217d954SCole Faust     {
56*c217d954SCole Faust         Tensor *dst = output(0);
57*c217d954SCole Faust         ARM_COMPUTE_ERROR_ON(dst == nullptr);
58*c217d954SCole Faust         dst->desc() = configure_output(0);
59*c217d954SCole Faust         return true;
60*c217d954SCole Faust     }
61*c217d954SCole Faust     return false;
62*c217d954SCole Faust }
63*c217d954SCole Faust 
configure_output(size_t idx) const64*c217d954SCole Faust TensorDescriptor PadLayerNode::configure_output(size_t idx) const
65*c217d954SCole Faust {
66*c217d954SCole Faust     ARM_COMPUTE_UNUSED(idx);
67*c217d954SCole Faust     ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
68*c217d954SCole Faust 
69*c217d954SCole Faust     const Tensor *src = input(0);
70*c217d954SCole Faust     ARM_COMPUTE_ERROR_ON(src == nullptr);
71*c217d954SCole Faust 
72*c217d954SCole Faust     TensorDescriptor  output_desc = src->desc();
73*c217d954SCole Faust     const TensorShape input_shape = src->desc().shape;
74*c217d954SCole Faust     for(size_t dim = 0; dim < _padding.size(); ++dim)
75*c217d954SCole Faust     {
76*c217d954SCole Faust         output_desc.shape.set(dim, _padding[dim].first + input_shape[dim] + _padding[dim].second);
77*c217d954SCole Faust     }
78*c217d954SCole Faust 
79*c217d954SCole Faust     return output_desc;
80*c217d954SCole Faust }
81*c217d954SCole Faust 
type() const82*c217d954SCole Faust NodeType PadLayerNode::type() const
83*c217d954SCole Faust {
84*c217d954SCole Faust     return NodeType::PadLayer;
85*c217d954SCole Faust }
86*c217d954SCole Faust 
accept(INodeVisitor & v)87*c217d954SCole Faust void PadLayerNode::accept(INodeVisitor &v)
88*c217d954SCole Faust {
89*c217d954SCole Faust     v.visit(*this);
90*c217d954SCole Faust }
91*c217d954SCole Faust } // namespace graph
92*c217d954SCole Faust } // namespace arm_compute
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