| /* |
| * Copyright (c) 2016-2020 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_CLHISTOGRAMKERNEL_H |
| #define ARM_COMPUTE_CLHISTOGRAMKERNEL_H |
| |
| #include "src/core/CL/ICLKernel.h" |
| |
| namespace arm_compute |
| { |
| class ICLDistribution1D; |
| class ICLTensor; |
| using ICLImage = ICLTensor; |
| |
| /** Interface to run the histogram kernel. This kernel processes the part of image with width can be divided by 16. |
| * If the image width is not a multiple of 16, remaining pixels have to be processed with the @ref CLHistogramBorderKernel |
| */ |
| class CLHistogramKernel : public ICLKernel |
| { |
| public: |
| /** Constructor */ |
| CLHistogramKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHistogramKernel(const CLHistogramKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHistogramKernel &operator=(const CLHistogramKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLHistogramKernel(CLHistogramKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLHistogramKernel &operator=(CLHistogramKernel &&) = default; |
| /** Initialise the kernel's input, output and border mode. |
| * |
| * @param[in] input Source image. Data types supported: U8. |
| * @param[out] output Destination distribution. |
| */ |
| void configure(const ICLImage *input, ICLDistribution1D *output); |
| /** Initialise the kernel's input, output and border mode. |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] input Source image. Data types supported: U8. |
| * @param[out] output Destination distribution. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLImage *input, ICLDistribution1D *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLImage *_input; |
| ICLDistribution1D *_output; |
| }; |
| |
| /** Interface to run the histogram kernel to handle the leftover part of image |
| * |
| */ |
| class CLHistogramBorderKernel : public ICLKernel |
| { |
| public: |
| /** Constructor */ |
| CLHistogramBorderKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHistogramBorderKernel(const CLHistogramBorderKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHistogramBorderKernel &operator=(const CLHistogramBorderKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLHistogramBorderKernel(CLHistogramBorderKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLHistogramBorderKernel &operator=(CLHistogramBorderKernel &&) = default; |
| /** Initialise the kernel's input, output and border mode. |
| * |
| * @param[in] input Source image. Data types supported: U8. |
| * @param[out] output Destination distribution. |
| */ |
| void configure(const ICLImage *input, ICLDistribution1D *output); |
| /** Initialise the kernel's input, output and border mode. |
| * |
| * @param[in] compile_context The compile context to be used. |
| * @param[in] input Source image. Data types supported: U8. |
| * @param[out] output Destination distribution. |
| */ |
| void configure(const CLCompileContext &compile_context, const ICLImage *input, ICLDistribution1D *output); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLImage *_input; |
| ICLDistribution1D *_output; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CLHISTOGRAMKERNEL_H*/ |