chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
@@ -0,0 +1,39 @@
+//
+//  NNAPIGather.cpp
+//  MNN
+//
+//  Created by MNN on 2022/10/27.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "NNAPIGather.hpp"
+
+namespace MNN {
+
+
+NNAPIGather::NNAPIGather(MNN::Backend *b, const MNN::Op *op, const std::vector<Tensor *> &inputs, const std::vector<MNN::Tensor *> &outputs) : NNAPICommonExecution(b, op) {
+}
+
+ErrorCode NNAPIGather::onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
+    auto input  = inputs[0];
+    auto output = outputs[0];
+    int axis = 0;
+    if (inputs.size() == 3) {
+        auto axis_tensor = inputs[2];
+        axis = axis_tensor->host<int32_t>()[0];
+    }
+    if (mOp->main_type() == OpParameter_Axis) {
+        axis = mOp->main_as_Axis()->axis();
+    }
+    if (axis < 0) {
+        axis = input->buffer().dimensions + axis;
+    }
+    // gather: [input, axis, indices]
+    auto inputIdx   = mNNAPIBackend->getTensorIdx(inputs[0]);
+    auto axisIdx    = buildScalar(formatAxis(axis, input));
+    auto indicesIdx = mNNAPIBackend->getTensorIdx(inputs[1]);
+    return buildOperation(ANEURALNETWORKS_GATHER, {inputIdx, axisIdx, indicesIdx}, getTensorIdxs(outputs));
+}
+
+REGISTER_NNAPI_OP_CREATOR(NNAPIGather, OpType_GatherV2)
+} // namespace MNN