Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #ifndef __ARM_COMPUTE_CLMINMAXLOCATIONKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_CLMINMAXLOCATIONKERNEL_H__ |
| 26 | |
| 27 | #include "arm_compute/core/CL/ICLArray.h" |
| 28 | #include "arm_compute/core/CL/ICLKernel.h" |
| 29 | |
| 30 | #include <array> |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | class ICLTensor; |
| 35 | using ICLImage = ICLTensor; |
| 36 | |
| 37 | /** Interface for the kernel to perform min max search on an image. |
| 38 | */ |
| 39 | class CLMinMaxKernel : public ICLKernel |
| 40 | { |
| 41 | public: |
| 42 | /** Default constructor */ |
| 43 | CLMinMaxKernel(); |
| 44 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 45 | CLMinMaxKernel(const CLMinMaxKernel &) = delete; |
| 46 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 47 | CLMinMaxKernel &operator=(const CLMinMaxKernel &) = delete; |
| 48 | /** Allow instances of this class to be moved */ |
| 49 | CLMinMaxKernel(CLMinMaxKernel &&) = default; |
| 50 | /** Allow instances of this class to be moved */ |
| 51 | CLMinMaxKernel &operator=(CLMinMaxKernel &&) = default; |
| 52 | /** Initialise the kernel's input and output. |
| 53 | * |
Michele Di Giorgio | ef4b4ae | 2017-07-04 17:19:43 +0100 | [diff] [blame] | 54 | * @param[in] input Input Image. Data types supported: U8/S16/F32. |
| 55 | * @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. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 56 | */ |
| 57 | void configure(const ICLImage *input, cl::Buffer *min_max); |
| 58 | |
| 59 | // Inherited methods overridden: |
| 60 | void run(const Window &window, cl::CommandQueue &queue) override; |
| 61 | |
| 62 | private: |
| 63 | const ICLTensor *_input; /**< Input image. */ |
| 64 | cl::Buffer *_min_max; /**< Minimum/maximum value. */ |
| 65 | std::array<int, 2> _data_type_max_min; /**< Maximum and minimum data type value respectively. */ |
| 66 | }; |
| 67 | |
| 68 | /** Interface for the kernel to find min max locations of an image. |
| 69 | */ |
| 70 | class CLMinMaxLocationKernel : public ICLKernel |
| 71 | { |
| 72 | public: |
| 73 | /** Constructor */ |
| 74 | CLMinMaxLocationKernel(); |
| 75 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 76 | CLMinMaxLocationKernel(const CLMinMaxLocationKernel &) = delete; |
| 77 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 78 | CLMinMaxLocationKernel &operator=(const CLMinMaxLocationKernel &) = delete; |
| 79 | /** Allow instances of this class to be moved */ |
| 80 | CLMinMaxLocationKernel(CLMinMaxLocationKernel &&) = default; |
| 81 | /** Allow instances of this class to be moved */ |
| 82 | CLMinMaxLocationKernel &operator=(CLMinMaxLocationKernel &&) = default; |
| 83 | /** Initialise the kernel's input and outputs. |
| 84 | * |
| 85 | * @note When locations of min and max occurrences are requested, the reported number of locations is limited to the given array size. |
| 86 | * |
Michele Di Giorgio | ef4b4ae | 2017-07-04 17:19:43 +0100 | [diff] [blame] | 87 | * @param[in] input Input image. Data types supported: U8/S16/F32. |
| 88 | * @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. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 89 | * @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 |
| 90 | * @param[out] min_loc (Optional) Array of Coordinates2D used to store minimum value locations. |
| 91 | * @param[out] max_loc (Optional) Array of Coordinates2D used to store maximum value locations. |
| 92 | */ |
| 93 | void configure(const ICLImage *input, cl::Buffer *min_max, cl::Buffer *min_max_count, |
| 94 | ICLCoordinates2DArray *min_loc = nullptr, ICLCoordinates2DArray *max_loc = nullptr); |
| 95 | |
| 96 | // Inherited methods overridden: |
| 97 | void run(const Window &window, cl::CommandQueue &queue) override; |
| 98 | |
| 99 | private: |
| 100 | const ICLImage *_input; /**< Input image. */ |
| 101 | cl::Buffer *_min_max_count; /**< Minimum/maximum value occurrences. */ |
| 102 | }; |
| 103 | } |
| 104 | #endif /*__ARM_COMPUTE_CLMINMAXLOCATIONKERNEL_H__ */ |