wehub-resource-sync
38 lines
963 B
C++
38 lines
963 B
C++
//
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// RenderGrad.cpp
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// MNN
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//
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// Created by MNN on 2023/07/12.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "OpGrad.hpp"
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#include "core/Macro.h"
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using namespace std;
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namespace MNN {
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using namespace MNN::Express;
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class RasterDiffGrad : public OpGrad {
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public:
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virtual std::vector<Express::VARP> onGrad(Express::EXPRP expr,
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const std::vector<Express::VARP>& backwardOutput) override {
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std::vector<Express::VARP> res{nullptr};
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std::unique_ptr<OpT> forwardOp(expr->get()->UnPack());
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forwardOp->main.value = new ExtraT;
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forwardOp->main.type = OpParameter_Extra;
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auto diffExpr = Expr::create(forwardOp.get(), backwardOutput, 1);
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res[0] = Variable::create(diffExpr, 0);
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return res;
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}
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};
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static void _create() {
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static RasterDiffGrad _c;
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OpGrad::insert(OpType_RasterDiff, &_c);
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}
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REGISTER_GRAD(RenderGrad_cpp, _create);
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};
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