MNN/source/backend/cpu/CPUResize.hpp

52 lines
1.7 KiB
C++

//
// CPUResize.hpp
// MNN
//
// Created by MNN on 2018/07/17.
// Copyright © 2018, Alibaba Group Holding Limited
//
#ifndef CPUResize_hpp
#define CPUResize_hpp
#include "core/AutoStorage.h"
#include "core/Execution.hpp"
namespace MNN {
class CPUResizeCommon : public Execution {
public:
CPUResizeCommon(Backend *backend) : Execution(backend) {
}
virtual ~CPUResizeCommon() = default;
virtual ErrorCode onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) = 0;
virtual ErrorCode onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) = 0;
void CPUResizeCubicC4(halide_buffer_t &input, halide_buffer_t &output);
void CPUResizeBilinearC4(halide_buffer_t &input, halide_buffer_t &output, const int *widthPosition,
const float *widthFactor, const int *heightPosition, const float *heightFactor,
float *lineBuffer, int threadNumber);
void CPUResizeNearestneighborC4(halide_buffer_t &input, halide_buffer_t &output, float wScale, float hScale);
};
class CPUResize : public CPUResizeCommon {
public:
CPUResize(Backend *backend, float xScale, float yScale);
virtual ~CPUResize();
virtual ErrorCode onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
virtual ErrorCode onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
private:
Tensor mWidthPosition;
Tensor mWidthFactor;
Tensor mHeightPosition;
Tensor mHeightFactor;
Tensor mLineBuffer;
float mXScale;
float mYScale;
};
} // namespace MNN
#endif /* CPUResize_hpp */