Method onCompute

source/geometry/GeometryShape.cpp:239–252

class GeometrySize : public GeometryComputer {
public:
    virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
                           Context& context, CommandBuffer& res) const override {
        if (nullptr == TensorUtils::getDescribeOrigin(outputs[0])->mem.get()) {
            if(!context.allocTensor(outputs[0])) {
                return false;
            }
        }
        int count = 1;
        for (int i = 0; i < inputs[0]->buffer().dimensions; i++) {
            count *= inputs[0]->buffer().dim[i].extent;
        }
        outputs[0]->host<int>()[0] = count;
        return true;
    }
};

class GeometryRaster : public GeometryComputer {