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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Pad.h"
#include "ONNXHelpers.h"
#include "AttributeHelpers.h"
#include "mir/ops/PadOp.h"
namespace mir_onnx
{
void convertPadAttrName(const std::string &pad_attr_name, const onnx::NodeProto &onnx_node,
ConverterContext *context)
{
std::vector<mir::Operation::Output *> inputs = context->getNodeInputs(onnx_node);
mir::Graph *graph = context->getGraph();
assert(inputs.size() == 1);
auto input = inputs[0];
// 0.0f is the default value to be filled into padded cells.
const auto value = getAttributeValue<float>(onnx_node, "value", 0.0f);
const auto pads = getAttributeValue<std::vector<std::int64_t>>(onnx_node, pad_attr_name);
// "constant" is the default mode.
const auto mode = getAttributeValue<std::string>(onnx_node, "mode", "constant");
if (mode != "constant")
throw std::runtime_error("Not supported Pad mode attribute!");
const int num_dims = input->getShape().rank();
assert(pads.size() == num_dims * 2);
mir::PadOpAttributes attributes(num_dims);
for (int i = 0; i < num_dims; i++)
{
attributes.padding_before[i] = pads[i];
attributes.padding_after[i] = pads[num_dims + i];
}
attributes.padding_value = value;
auto result = createOp<mir::ops::PadOp>(graph, input, attributes)->getOutput(0);
context->setNodeOutputs(onnx_node, {result});
}
void convertPadV1(const onnx::NodeProto &onnx_node, ConverterContext *context)
{
convertPadAttrName("paddings", onnx_node, context);
}
void convertPadV2(const onnx::NodeProto &onnx_node, ConverterContext *context)
{
convertPadAttrName("pads", onnx_node, context);
}
} // namespace mir_onnx
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