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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_CLSOBEL5X5_H__
#define __ARM_COMPUTE_CLSOBEL5X5_H__
#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
#include "arm_compute/core/CL/kernels/CLSobel5x5Kernel.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/runtime/CL/CLTensor.h"
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/MemoryGroup.h"
#include <cstdint>
#include <memory>
namespace arm_compute
{
class ICLTensor;
/** Basic function to execute sobel 5x5 filter. This function calls the following OpenCL kernels:
*
* -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
* -# @ref CLSobel5x5HorKernel
* -# @ref CLSobel5x5VertKernel
*
*/
class CLSobel5x5 : public IFunction
{
public:
/** Default Constructor.
*
* @param[in] memory_manager (Optional) Memory manager.
*/
CLSobel5x5(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Initialise the function's source, destinations and border mode.
*
* @note At least one of output_x or output_y must be not NULL.
*
* @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
* @param[out] output_x (optional) Destination for the Sobel 5x5 convolution along the X axis. Data types supported: S16.
* @param[out] output_y (optional) Destination for the Sobel 5x5 convolution along the Y axis. Data types supported: S16.
* @param[in] border_mode Border mode to use for the convolution.
* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
*/
void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
// Inherited methods overridden:
void run() override;
protected:
MemoryGroup _memory_group; /**< Function's memory group */
CLSobel5x5HorKernel _sobel_hor; /**< Sobel Horizontal 5x5 kernel */
CLSobel5x5VertKernel _sobel_vert; /**< Sobel Vertical 5x5 kernel */
CLFillBorderKernel _border_handler; /**< Kernel to handle image borders */
CLImage _tmp_x; /**< Temporary buffer for Sobel X */
CLImage _tmp_y; /**< Temporary buffer for Sobel Y */
};
}
#endif /*__ARM_COMPUTE_CLSOBEL5X5_H__ */
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