1 /*
2 * Copyright (c) 2018 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/DummyNode.h"
25
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/graph/Graph.h"
28 #include "arm_compute/graph/INodeVisitor.h"
29 #include "arm_compute/graph/Tensor.h"
30
31 namespace arm_compute
32 {
33 namespace graph
34 {
DummyNode(TensorShape shape)35 DummyNode::DummyNode(TensorShape shape)
36 : _shape(shape)
37 {
38 _input_edges.resize(1, EmptyEdgeID);
39 _outputs.resize(1, NullTensorID);
40 }
41
forward_descriptors()42 bool DummyNode::forward_descriptors()
43 {
44 if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
45 {
46 Tensor *dst = output(0);
47 ARM_COMPUTE_ERROR_ON(dst == nullptr);
48 dst->desc() = configure_output(0);
49 return true;
50 }
51 return false;
52 }
53
configure_output(size_t idx) const54 TensorDescriptor DummyNode::configure_output(size_t idx) const
55 {
56 ARM_COMPUTE_UNUSED(idx);
57 ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
58
59 const Tensor *src = input(0);
60 ARM_COMPUTE_ERROR_ON(src == nullptr);
61
62 TensorDescriptor output_desc = src->desc();
63 output_desc.shape = _shape;
64
65 return output_desc;
66 }
67
type() const68 NodeType DummyNode::type() const
69 {
70 return NodeType::Dummy;
71 }
72
accept(INodeVisitor & v)73 void DummyNode::accept(INodeVisitor &v)
74 {
75 v.visit(*this);
76 }
77 } // namespace graph
78 } // namespace arm_compute