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Diffstat (limited to 'src/core/CL/kernels/CLMinMaxLocationKernel.h')
-rw-r--r-- | src/core/CL/kernels/CLMinMaxLocationKernel.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLMinMaxLocationKernel.h b/src/core/CL/kernels/CLMinMaxLocationKernel.h new file mode 100644 index 0000000000..2196abe033 --- /dev/null +++ b/src/core/CL/kernels/CLMinMaxLocationKernel.h @@ -0,0 +1,124 @@ +/* + * 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 */ |