mirror of https://github.com/alibaba/MNN.git
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
//
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// NNAPIGather.cpp
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// MNN
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//
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// Created by MNN on 2022/10/27.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "NNAPIGather.hpp"
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namespace MNN {
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NNAPIGather::NNAPIGather(MNN::Backend *b, const MNN::Op *op, const std::vector<Tensor *> &inputs, const std::vector<MNN::Tensor *> &outputs) : NNAPICommonExecution(b, op) {
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}
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ErrorCode NNAPIGather::onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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auto input = inputs[0];
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auto output = outputs[0];
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int axis = 0;
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if (inputs.size() == 3) {
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auto axis_tensor = inputs[2];
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axis = axis_tensor->host<int32_t>()[0];
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}
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if (mOp->main_type() == OpParameter_Axis) {
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axis = mOp->main_as_Axis()->axis();
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}
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if (axis < 0) {
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axis = input->buffer().dimensions + axis;
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}
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// gather: [input, axis, indices]
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auto inputIdx = mNNAPIBackend->getTensorIdx(inputs[0]);
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auto axisIdx = buildScalar(formatAxis(axis, input));
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auto indicesIdx = mNNAPIBackend->getTensorIdx(inputs[1]);
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return buildOperation(ANEURALNETWORKS_GATHER, {inputIdx, axisIdx, indicesIdx}, getTensorIdxs(outputs));
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}
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REGISTER_NNAPI_OP_CREATOR(NNAPIGather, OpType_GatherV2)
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} // namespace MNN
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