xref: /aosp_15_r20/external/ComputeLibrary/src/graph/nodes/GenerateProposalsLayerNode.cpp (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2  * Copyright (c) 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/GenerateProposalsLayerNode.h"
25 
26 #include "arm_compute/graph/Graph.h"
27 #include "arm_compute/graph/INodeVisitor.h"
28 
29 #include "arm_compute/core/Helpers.h"
30 
31 namespace arm_compute
32 {
33 namespace graph
34 {
GenerateProposalsLayerNode(GenerateProposalsInfo & info)35 GenerateProposalsLayerNode::GenerateProposalsLayerNode(GenerateProposalsInfo &info)
36     : _info(info)
37 {
38     _input_edges.resize(3, EmptyEdgeID);
39     _outputs.resize(3, NullTensorID);
40 }
41 
info() const42 const GenerateProposalsInfo &GenerateProposalsLayerNode::info() const
43 {
44     return _info;
45 }
46 
forward_descriptors()47 bool GenerateProposalsLayerNode::forward_descriptors()
48 {
49     if((input_id(0) != NullTensorID) && (input_id(1) != NullTensorID) && (input_id(2) != NullTensorID) && (output_id(0) != NullTensorID) && (output_id(1) != NullTensorID)
50        && (output_id(2) != NullTensorID))
51     {
52         for(unsigned int i = 0; i < 3; ++i)
53         {
54             Tensor *dst = output(i);
55             ARM_COMPUTE_ERROR_ON(dst == nullptr);
56             dst->desc() = configure_output(i);
57         }
58         return true;
59     }
60     return false;
61 }
62 
configure_output(size_t idx) const63 TensorDescriptor GenerateProposalsLayerNode::configure_output(size_t idx) const
64 {
65     ARM_COMPUTE_ERROR_ON(idx > 3);
66 
67     const Tensor *src = input(0);
68     ARM_COMPUTE_ERROR_ON(src == nullptr);
69     TensorDescriptor output_desc = src->desc();
70 
71     switch(idx)
72     {
73         case 0:
74             // Configure proposals output
75             output_desc.shape = TensorShape(5, src->desc().shape.total_size());
76             break;
77         case 1:
78             // Configure scores_out output
79             output_desc.shape = TensorShape(src->desc().shape.total_size());
80             break;
81         case 2:
82             // Configure num_valid_proposals
83             output_desc.shape     = TensorShape(1);
84             output_desc.data_type = DataType::U32;
85             break;
86         default:
87             ARM_COMPUTE_ERROR("Unsupported output index");
88     }
89     return output_desc;
90 }
91 
type() const92 NodeType GenerateProposalsLayerNode::type() const
93 {
94     return NodeType::GenerateProposalsLayer;
95 }
96 
accept(INodeVisitor & v)97 void GenerateProposalsLayerNode::accept(INodeVisitor &v)
98 {
99     v.visit(*this);
100 }
101 } // namespace graph
102 } // namespace arm_compute
103