MNN/source/shape/ShapeConvTranspose3D.cpp

74 lines
2.7 KiB
C++

//
// ShapeConvTranspose3D.cpp
// MNN
//
// Created by MNN on 2019/01/10.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include <math.h>
#include "shape/SizeComputer.hpp"
#include "core/Macro.h"
#include "core/TensorUtils.hpp"
namespace MNN {
class ConvTranspose3DSizeComputer : public SizeComputer {
public:
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
// MNN_ASSERT(1 == inputs.size());
MNN_ASSERT(1 == outputs.size());
auto layer = op->main_as_Convolution3D()->common();
auto input = inputs[0];
int dimensions = input->dimensions();
int convolutinDim = dimensions - 2;
auto& outputBuffer = outputs[0]->buffer();
outputBuffer.dimensions = input->buffer().dimensions;
outputBuffer.dim[0].extent = input->buffer().dim[0].extent;
outputBuffer.dim[1].extent = layer->outputCount();
for (int i = 0; i < convolutinDim; ++i) {
const int inputLength = input->length(i + 2), stride = (*layer->strides())[i];
if (inputLength <= 0) {
return false;
}
int outputLength;
if (layer->padMode() == PadMode_SAME) {
outputLength =inputLength * stride;
} else {
int padL = 0;
int padR = 0;
int kernel = layer->kernels()->data()[i];
int dialate = 1;
if (nullptr != layer->pads()) {
padL = layer->pads()->data()[i];
if (layer->pads()->size() == 6) {
padR = layer->pads()->data()[i + 3];
} else {
padR = padL;
}
}
if (nullptr != layer->dilates()) {
dialate = layer->dilates()->data()[i];
}
const int dialatedKernel = (kernel - 1) * dialate + 1;
// outputLength = (inputLength + 2 * pad - dialatedKernel) / stride + 1;
outputLength = (inputLength - 1) * stride + dialatedKernel - padR - padL;
if (layer->outPads() != nullptr) {
outputLength = outputLength + layer->outPads()->data()[i];
}
}
outputBuffer.dim[i + 2].extent = outputLength;
}
outputBuffer.type = input->getType();
TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
return true;
}
};
REGISTER_SHAPE(ConvTranspose3DSizeComputer, OpType_ConvTranspose3D);
} // namespace MNN