MNN/source/shape/ShapeShape.cpp

87 lines
3.2 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;
}
return true;
}
};
REGISTER_SHAPE(ShapeSizeComputer, OpType_Shape);
class ShapeRasterComputer : public SizeComputer {
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
MNN_ASSERT(1 == outputs.size());
auto extra = op->main_as_Extra();
if (!extra) {
// copy dims
MNN_ASSERT(1 <= inputs.size());
outputs[0]->buffer().type = inputs[0]->buffer().type;
TensorUtils::copyShape(inputs[0], outputs[0], true);
} else {
if (inputs.size() > 0) {
outputs[0]->buffer().type = inputs[0]->buffer().type;
TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
}
for (int i = 0; i < extra->attr()->size(); i++) {
auto attr = extra->attr()->Get(i);
if (attr->key()->str() == "shape") {
outputs[0]->buffer().dimensions = 0;
if (attr->list()->i() != nullptr) {
int len = attr->list()->i()->size();
outputs[0]->buffer().dimensions = len;
for (int j = 0; j < len; j++) {
outputs[0]->setLength(j, attr->list()->i()->Get(j));
}
}
continue;
}
if (attr->key()->str() == "code") {
outputs[0]->buffer().type.code = (halide_type_code_t)attr->i();
continue;
}
if (attr->key()->str() == "bits") {
outputs[0]->buffer().type.bits = attr->i();
continue;
}
if (attr->key()->str() == "format") {
TensorUtils::getDescribe(outputs[0])->dimensionFormat = (MNN_DATA_FORMAT)attr->i();
continue;
}
}
}
return true;
}
};
REGISTER_SHAPE(ShapeRasterComputer, OpType_Raster);
} // namespace MNN