| /* |
| * Copyright (c) 2016-2018 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__ */ |