CLLaplacianPyramid.h

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/*
 * Copyright (c) 2017 ARM Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 */
#ifndef __ARM_COMPUTE_CLLAPLACIANPYRAMID_H__
#define __ARM_COMPUTE_CLLAPLACIANPYRAMID_H__

#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/CL/CLPyramid.h"
#include "arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h"
#include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h"
#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
#include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
#include "arm_compute/runtime/IFunction.h"

#include <cstddef>
#include <cstdint>
#include <memory>

namespace arm_compute
{
class ICLTensor;

class CLLaplacianPyramid : public IFunction
{
public:
    CLLaplacianPyramid();
    void configure(ICLTensor *input, CLPyramid *pyramid, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);

    // Inherited methods overridden:
    void run() override;

private:
    size_t                                     _num_levels;
    CLGaussianPyramidHalf                      _gaussian_pyr_function;
    std::unique_ptr<CLGaussian5x5[]>           _convf;
    std::unique_ptr<CLArithmeticSubtraction[]> _subf;
    CLDepthConvertLayer                        _depth_function;
    CLPyramid                                  _gauss_pyr;
    CLPyramid                                  _conv_pyr;
};
}
#endif /*__ARM_COMPUTE_CLLAPLACIANPYRAMID_H__ */