| /* |
| * 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_CLMINMAXLOCATION_H |
| #define ARM_COMPUTE_CLMINMAXLOCATION_H |
| |
| #include "arm_compute/core/CL/kernels/CLMinMaxLocationKernel.h" |
| #include "arm_compute/runtime/CL/CLArray.h" |
| #include "arm_compute/runtime/IFunction.h" |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| using ICLImage = ICLTensor; |
| |
| /** Basic function to execute min and max location. This function calls the following OpenCL kernels: |
| * |
| * -# @ref CLMinMaxKernel |
| * -# @ref CLMinMaxLocationKernel |
| */ |
| class CLMinMaxLocation : public IFunction |
| { |
| public: |
| /** Constructor */ |
| CLMinMaxLocation(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxLocation(const CLMinMaxLocation &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLMinMaxLocation &operator=(const CLMinMaxLocation &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxLocation(CLMinMaxLocation &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLMinMaxLocation &operator=(CLMinMaxLocation &&) = default; |
| /** Initialise the kernel's inputs 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 Minimum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @param[out] max Maximum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @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. |
| * @param[out] min_count (Optional) Number of minimum value encounters. |
| * @param[out] max_count (Optional) Number of maximum value encounters. |
| */ |
| void configure(const ICLImage *input, void *min, void *max, |
| CLCoordinates2DArray *min_loc = nullptr, CLCoordinates2DArray *max_loc = nullptr, |
| uint32_t *min_count = nullptr, uint32_t *max_count = nullptr); |
| /** Initialise the kernel's inputs 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 Minimum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @param[out] max Maximum value of image. Data types supported: S32 if input type is U8/S16, F32 if input type is F32. |
| * @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. |
| * @param[out] min_count (Optional) Number of minimum value encounters. |
| * @param[out] max_count (Optional) Number of maximum value encounters. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLImage *input, void *min, void *max, |
| CLCoordinates2DArray *min_loc = nullptr, CLCoordinates2DArray *max_loc = nullptr, |
| uint32_t *min_count = nullptr, uint32_t *max_count = nullptr); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| CLMinMaxKernel _min_max_kernel; /**< Kernel that performs min/max */ |
| CLMinMaxLocationKernel _min_max_loc_kernel; /**< Kernel that counts min/max occurrences and identifies their positions */ |
| cl::Buffer _min_max_vals; /**< Buffer to collect min, max values */ |
| cl::Buffer _min_max_count_vals; /**< Buffer to collect min, max values */ |
| void *_min; /**< Minimum value. */ |
| void *_max; /**< Maximum value. */ |
| uint32_t *_min_count; /**< Minimum value occurrences. */ |
| uint32_t *_max_count; /**< Maximum value occurrences. */ |
| CLCoordinates2DArray *_min_loc; /**< Minimum value occurrences coordinates. */ |
| CLCoordinates2DArray *_max_loc; /**< Maximum value occurrences coordinates. */ |
| }; |
| } |
| #endif /*ARM_COMPUTE_CLMINMAXLOCATION_H */ |