2 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "DepthToSpace.h"
19 #include "PALDepthToSpace.h"
21 namespace luci_interpreter
26 DepthToSpace::DepthToSpace(const Tensor *input, Tensor *output, const DepthToSpaceParams ¶ms)
27 : KernelWithParams<DepthToSpaceParams>({input}, {output}, params)
31 void DepthToSpace::configure()
33 LUCI_INTERPRETER_CHECK(input()->shape().num_dims() == 4);
34 LUCI_INTERPRETER_CHECK(output()->element_type() == DataType::FLOAT32 ||
35 output()->element_type() == DataType::U8)
36 LUCI_INTERPRETER_CHECK(input()->element_type() == output()->element_type())
37 const int block_size = params().block_size;
38 const int32_t input_height = input()->shape().dim(1);
39 const int32_t input_width = input()->shape().dim(2);
40 const int32_t input_channels = input()->shape().dim(3);
41 int32_t output_height = input_height * block_size;
42 int32_t output_width = input_width * block_size;
43 int32_t output_channels = input_channels / block_size / block_size;
45 LUCI_INTERPRETER_CHECK(input_height == output_height / block_size);
46 LUCI_INTERPRETER_CHECK(input_width == output_width / block_size);
47 LUCI_INTERPRETER_CHECK(input_channels == output_channels * block_size * block_size);
49 Shape output_shape(4);
50 output_shape.dim(0) = input()->shape().dim(0);
51 output_shape.dim(1) = output_height;
52 output_shape.dim(2) = output_width;
53 output_shape.dim(3) = output_channels;
55 output()->resize(output_shape);
58 void DepthToSpace::execute() const
60 tflite::DepthToSpaceParams op_params;
61 op_params.block_size = params().block_size;
62 switch (input()->element_type())
64 case DataType::FLOAT32:
65 luci_interpreter_pal::DepthToSpace(op_params, getTensorShape(input()),
66 getTensorData<float>(input()), getTensorShape(output()),
67 getTensorData<float>(output()));
70 luci_interpreter_pal::DepthToSpace(op_params, getTensorShape(input()),
71 getTensorData<uint8_t>(input()), getTensorShape(output()),
72 getTensorData<uint8_t>(output()));
75 throw std::runtime_error("Unsupported Type.");
79 } // namespace kernels
80 } // namespace luci_interpreter