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/*
* Copyright (c) 2016-2019 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
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_NESOBEL5x5KERNEL_H
#define ARM_COMPUTE_NESOBEL5x5KERNEL_H
#include "arm_compute/core/NEON/INEKernel.h"
namespace arm_compute
{
class ITensor;
/** Interface for the kernel to run the horizontal pass of 5x5 Sobel filter on a tensor.
*
*/
class NESobel5x5HorKernel : public INEKernel
{
public:
const char *name() const override
{
return "NESobel5x5HorKernel";
}
/** Default constructor */
NESobel5x5HorKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESobel5x5HorKernel(const NESobel5x5HorKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESobel5x5HorKernel &operator=(const NESobel5x5HorKernel &) = delete;
/** Allow instances of this class to be moved */
NESobel5x5HorKernel(NESobel5x5HorKernel &&) = default;
/** Allow instances of this class to be moved */
NESobel5x5HorKernel &operator=(NESobel5x5HorKernel &&) = default;
/** Default destructor */
~NESobel5x5HorKernel() = default;
/** Initialise the kernel's source, destination and border mode.
*
* @note At least one of output_x or output_y must be set
*
* @param[in] input Source tensor. Data type supported: U8.
* @param[out] output_x (Optional) Destination tensor for the X gradient. Data type supported: S16.
* @param[out] output_y (Optional) Destination tensor for the Y gradient. Data type supported: S16.
* @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant.
*/
void configure(const ITensor *input, ITensor *output_x, ITensor *output_y, bool border_undefined);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
BorderSize border_size() const override;
private:
const ITensor *_input; /**< Input tensor */
ITensor *_output_x; /**< X output of horizontal pass */
ITensor *_output_y; /**< Y output of horizontal pass */
bool _run_sobel_x; /**< Do we need to run Sobel X? */
bool _run_sobel_y; /**< Do we need to run Sobel Y? */
BorderSize _border_size; /**< Border size */
};
/** Interface for the kernel to run the vertical pass of 5x5 Sobel Y filter on a tensor.
*
*/
class NESobel5x5VertKernel : public INEKernel
{
public:
const char *name() const override
{
return "NESobel5x5VertKernel";
}
/** Default constructor */
NESobel5x5VertKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESobel5x5VertKernel(const NESobel5x5VertKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESobel5x5VertKernel &operator=(const NESobel5x5VertKernel &) = delete;
/** Allow instances of this class to be moved */
NESobel5x5VertKernel(NESobel5x5VertKernel &&) = default;
/** Allow instances of this class to be moved */
NESobel5x5VertKernel &operator=(NESobel5x5VertKernel &&) = default;
/** Default destructor */
~NESobel5x5VertKernel() = default;
/** Initialise the kernel's source, destination and border mode.
*
* @param[in] input_x Input for X (X output of hor pass). Data type supported: S16.
* @param[in] input_y Input for Y (Y output of hor pass). Data type supported: S16.
* @param[out] output_x Destination tensor for the X gradient. Data type supported: S16.
* @param[out] output_y Destination tensor for the Y gradient. Data type supported: S16.
* @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant.
*/
void configure(ITensor *input_x, ITensor *input_y, ITensor *output_x, ITensor *output_y, bool border_undefined);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
BorderSize border_size() const override;
private:
ITensor *_input_x; /**< X input (X output of the hor pass) */
ITensor *_input_y; /**< Y input (Y output of the hor pass) */
ITensor *_output_x; /**< X output of sobel */
ITensor *_output_y; /**< Y output of sobel */
bool _run_sobel_x; /**< Do we need to run sobel X? */
bool _run_sobel_y; /**< Do we need to run sobel Y? */
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_NESOBEL5x5KERNEL_H */
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