| /* |
| * Copyright (c) 2016, 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 |
| * 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_CLSOBEL7X7_H__ |
| #define __ARM_COMPUTE_CLSOBEL7X7_H__ |
| |
| #include "arm_compute/core/CL/kernels/CLFillBorderKernel.h" |
| #include "arm_compute/core/CL/kernels/CLSobel7x7Kernel.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/CL/CLMemoryGroup.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/IMemoryManager.h" |
| |
| #include <cstdint> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| |
| /** Basic function to execute sobel 7x7 filter. This function calls the following OpenCL kernels: |
| * |
| * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE) |
| * -# @ref CLSobel7x7HorKernel |
| * -# @ref CLSobel7x7VertKernel |
| * |
| */ |
| class CLSobel7x7 : public IFunction |
| { |
| public: |
| /** Default Constructor. */ |
| CLSobel7x7(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 7x7 convolution along the X axis. Data types supported: S32. |
| * @param[out] output_y (optional) Destination for the Sobel 7x7 convolution along the Y axis. Data types supported: S32. |
| * @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: |
| CLMemoryGroup _memory_group; /**< Function's memory group */ |
| CLSobel7x7HorKernel _sobel_hor; /**< Sobel Horizontal 7x7 kernel */ |
| CLSobel7x7VertKernel _sobel_vert; /**< Sobel Vertical 7x7 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_CLSOBEL7X7_H__ */ |