MNN/source/shape/ShapeShape.cpp

42 lines
1.3 KiB
C++

//
// ShapeShape.cpp
// MNN
//
// Created by MNN on 2019/01/10.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "shape/SizeComputer.hpp"
#include "core/Macro.h"
#include "core/TensorUtils.hpp"
namespace MNN {
class ShapeSizeComputer : public SizeComputer {
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& ib = inputs[0]->buffer();
auto& ob = outputs[0]->buffer();
ob.dimensions = 1;
outputs[0]->setType(DataType_DT_INT32);
TensorUtils::getDescribe(outputs[0])->dimensionFormat = op->defaultDimentionFormat();
auto inputFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
if (inputFormat == MNN_DATA_FORMAT_NC4HW4 && op->defaultDimentionFormat() == MNN_DATA_FORMAT_NHWC) {
// For compability
ob.dim[0].extent = 4;
} else {
ob.dim[0].extent = ib.dimensions;
}
if (ib.dimensions == 0) {
return false;
}
return true;
}
};
REGISTER_SHAPE(ShapeSizeComputer, OpType_Shape);
} // namespace MNN