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 +1,41 @@
+//
+//  ShapePadding.cpp
+//  MNN
+//
+//  Created by MNN on 2019/6/24.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "shape/SizeComputer.hpp"
+#include "core/TensorUtils.hpp"
+
+namespace MNN {
+class PaddingComputer : public SizeComputer {
+    virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
+                               const std::vector<Tensor*>& outputs) const override {
+        if ((2 != inputs.size() && 3 != inputs.size()) || 1 != outputs.size()) {
+            MNN_ERROR("Padding inputs or outputs number error: %d -> %d\n", (int)inputs.size(), (int)outputs.size());
+            return false;
+        }
+        auto input            = inputs[0];
+        auto paddings         = inputs[1];
+        auto output           = outputs[0];
+        output->buffer().type = input->buffer().type;
+        TensorUtils::copyShape(input, output, true);
+
+        auto size = paddings->elementSize();
+        if (size < output->dimensions() * 2) {
+            MNN_ERROR("Padding blob size not match output's dimension\n");
+            return false;
+        }
+        auto paddingPtr = paddings->host<int32_t>();
+        auto dimensions = input->dimensions();
+        for (int i = 0; i < dimensions; ++i) {
+            output->setLength(i, input->length(i) + paddingPtr[2 * i] + paddingPtr[2 * i + 1]);
+        }
+        return true;
+    }
+};
+
+REGISTER_SHAPE_INPUTS(PaddingComputer, OpType_Padding, {1});
+} // namespace MNN