diff options
Diffstat (limited to 'arm_compute/runtime/CL/functions/CLMinMaxLocation.h')
| -rw-r--r-- | arm_compute/runtime/CL/functions/CLMinMaxLocation.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arm_compute/runtime/CL/functions/CLMinMaxLocation.h b/arm_compute/runtime/CL/functions/CLMinMaxLocation.h new file mode 100644 index 0000000000..84fd67515b --- /dev/null +++ b/arm_compute/runtime/CL/functions/CLMinMaxLocation.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2017 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 or S16. + * @param[out] min Minimum value of image. + * @param[out] max Maximum value of image. + * @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, int32_t *min, int32_t *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 */ + int32_t *_min; /**< Minimum value. */ + int32_t *_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__ */ |