mirror of https://github.com/alibaba/MNN.git
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
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//
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// GeometryFill.cpp
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// MNN
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//
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// Created by MNN on 2020/04/23.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "geometry/GeometryComputer.hpp"
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#include "core/OpCommonUtils.hpp"
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namespace MNN {
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class GeometryFill : public GeometryComputer {
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public:
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virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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Context& context, CommandBuffer& res) const override {
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// inputs[0] is shape, inputs[1] is value
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auto input = inputs[1];
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auto output = outputs[0];
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auto outputDes = TensorUtils::getDescribe(output);
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outputDes->regions.clear();
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if (0 == output->dimensions()) {
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return true;
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}
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outputDes->regions.resize(1);
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outputDes->memoryType = Tensor::InsideDescribe::MEMORY_VIRTUAL;
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auto& reg = outputDes->regions[0];
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reg.size[0] = 1;
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reg.size[1] = 1;
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for (int i = 0; i < output->dimensions(); ++i) {
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reg.size[2] *= output->length(i);
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}
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reg.src.offset = 0;
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reg.dst.stride[2] = 1;
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reg.src.stride[2] = 0;
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reg.origin = input;
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return true;
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}
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};
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class GeometryZerolike : public GeometryComputer {
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public:
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virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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Context& context, CommandBuffer& res) const override {
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// Just create empty region for raster
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auto output = outputs[0];
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auto outputDes = TensorUtils::getDescribe(output);
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outputDes->regions.clear();
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outputDes->memoryType = Tensor::InsideDescribe::MEMORY_VIRTUAL;
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return true;
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}
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};
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static void _create() {
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std::shared_ptr<GeometryComputer> comp(new GeometryFill);
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GeometryComputer::registerGeometryComputer(comp, {OpType_Fill});
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std::shared_ptr<GeometryComputer> comp2(new GeometryZerolike);
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GeometryComputer::registerGeometryComputer(comp2, {OpType_ZerosLike, OpType_ZeroGrad});
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}
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REGISTER_GEOMETRY(GeometryFill, _create);
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} // namespace MNN
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