| /* |
| * Copyright (c) 2017-2020 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_CLMINMAXLOCATIONKERNEL_H |
| #define ARM_COMPUTE_CLMINMAXLOCATIONKERNEL_H |
| |
| #include "arm_compute/core/CL/ICLArray.h" |
| #include "src/core/CL/ICLKernel.h" |
| |
| #include <array> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| using ICLImage = ICLTensor; |
| |
| /** Interface for the kernel to perform min max search on an image. |
| */ |
| class CLMinMaxKernel : public ICLKernel |
| { |
| public: |
| /** Default constructor */ |
| CLMinMaxKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxKernel(const CLMinMaxKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxKernel &operator=(const CLMinMaxKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxKernel(CLMinMaxKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxKernel &operator=(CLMinMaxKernel &&) = default; |
| /** Initialise the kernel's input and output. |
| * |
| * @param[in] input Input Image. Data types supported: U8/S16/F32. |
| * @param[out] min_max Buffer of 2 elements to store the min value at position 0 and the max value at position 1. Data type supported: S32 if input type is U8/S16, F32 if input type is F32. |
| */ |
| void configure(const ICLImage *input, cl::Buffer *min_max); |
| /** Initialise the kernel's input and output. |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] input Input Image. Data types supported: U8/S16/F32. |
| * @param[out] min_max Buffer of 2 elements to store the min value at position 0 and the max value at position 1. Data type supported: S32 if input type is U8/S16, F32 if input type is F32. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLImage *input, cl::Buffer *min_max); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLTensor *_input; /**< Input image. */ |
| cl::Buffer *_min_max; /**< Minimum/maximum value. */ |
| std::array<int, 2> _data_type_max_min; /**< Maximum and minimum data type value respectively. */ |
| }; |
| |
| /** Interface for the kernel to find min max locations of an image. |
| */ |
| class CLMinMaxLocationKernel : public ICLKernel |
| { |
| public: |
| /** Constructor */ |
| CLMinMaxLocationKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxLocationKernel(const CLMinMaxLocationKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxLocationKernel &operator=(const CLMinMaxLocationKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxLocationKernel(CLMinMaxLocationKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxLocationKernel &operator=(CLMinMaxLocationKernel &&) = default; |
| /** Initialise the kernel's input and outputs. |
| * |
| * @note When locations of min and max occurrences are requested, the reported number of locations is limited to the given array size. |
| * |
| * @param[in] input Input image. Data types supported: U8/S16/F32. |
| * @param[out] min_max Buffer of 2 elements to store the min value at position 0 and the max value at position 1. Data type supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @param[out] min_max_count Buffer of 2 elements to store the min value occurrences at position 0 and the max value occurrences at position 1. Data type supported: S32 |
| * @param[out] min_loc (Optional) Array of Coordinates2D used to store minimum value locations. |
| * @param[out] max_loc (Optional) Array of Coordinates2D used to store maximum value locations. |
| */ |
| void configure(const ICLImage *input, cl::Buffer *min_max, cl::Buffer *min_max_count, |
| ICLCoordinates2DArray *min_loc = nullptr, ICLCoordinates2DArray *max_loc = nullptr); |
| /** Initialise the kernel's input and outputs. |
| * |
| * @note When locations of min and max occurrences are requested, the reported number of locations is limited to the given array size. |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] input Input image. Data types supported: U8/S16/F32. |
| * @param[out] min_max Buffer of 2 elements to store the min value at position 0 and the max value at position 1. Data type supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @param[out] min_max_count Buffer of 2 elements to store the min value occurrences at position 0 and the max value occurrences at position 1. Data type supported: S32 |
| * @param[out] min_loc (Optional) Array of Coordinates2D used to store minimum value locations. |
| * @param[out] max_loc (Optional) Array of Coordinates2D used to store maximum value locations. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLImage *input, cl::Buffer *min_max, cl::Buffer *min_max_count, |
| ICLCoordinates2DArray *min_loc = nullptr, ICLCoordinates2DArray *max_loc = nullptr); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLImage *_input; /**< Input image. */ |
| cl::Buffer *_min_max_count; /**< Minimum/maximum value occurrences. */ |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_CLMINMAXLOCATIONKERNEL_H */ |