1 /* 2 * Copyright (c) 2016-2020 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_NEGAUSSIAN5x5KERNEL_H 25 #define ARM_COMPUTE_NEGAUSSIAN5x5KERNEL_H 26 27 #include "src/core/NEON/INESimpleKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** NEON kernel to perform a Gaussian 5x5 filter (horizontal pass) */ 34 class NEGaussian5x5HorKernel : public INESimpleKernel 35 { 36 public: name()37 const char *name() const override 38 { 39 return "NEGaussian5x5HorKernel"; 40 } 41 /** Default constructor */ 42 NEGaussian5x5HorKernel(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEGaussian5x5HorKernel(NEGaussian5x5HorKernel &) = delete; 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEGaussian5x5HorKernel &operator=(NEGaussian5x5HorKernel &) = delete; 47 /** Allow instances of this class to be moved */ 48 NEGaussian5x5HorKernel(NEGaussian5x5HorKernel &&) = default; 49 /** Allow instances of this class to be moved */ 50 NEGaussian5x5HorKernel &operator=(NEGaussian5x5HorKernel &&) = default; 51 /** Default destructor */ 52 ~NEGaussian5x5HorKernel() = default; 53 54 /** Initialise the kernel's source, destination and border mode. 55 * 56 * @param[in] input Source tensor. Data type supported: U8. 57 * @param[out] output Destination tensor. Data type supported: S16. 58 * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. 59 */ 60 void configure(const ITensor *input, ITensor *output, bool border_undefined); 61 62 // Inherited methods overridden: 63 void run(const Window &window, const ThreadInfo &info) override; 64 BorderSize border_size() const override; 65 66 private: 67 BorderSize _border_size; 68 }; 69 70 /** NEON kernel to perform a Gaussian 5x5 filter (vertical pass) */ 71 class NEGaussian5x5VertKernel : public INESimpleKernel 72 { 73 public: name()74 const char *name() const override 75 { 76 return "NEGaussian5x5VertKernel"; 77 } 78 /** Default constructor */ 79 NEGaussian5x5VertKernel(); 80 /** Prevent instances of this class from being copied (As this class contains pointers) */ 81 NEGaussian5x5VertKernel(NEGaussian5x5VertKernel &) = delete; 82 /** Prevent instances of this class from being copied (As this class contains pointers) */ 83 NEGaussian5x5VertKernel &operator=(NEGaussian5x5VertKernel &) = delete; 84 /** Allow instances of this class to be moved */ 85 NEGaussian5x5VertKernel(NEGaussian5x5VertKernel &&) = default; 86 /** Allow instances of this class to be moved */ 87 NEGaussian5x5VertKernel &operator=(NEGaussian5x5VertKernel &&) = default; 88 /** Default destructor */ 89 ~NEGaussian5x5VertKernel() = default; 90 /** Initialise the kernel's source, destination and border mode. 91 * 92 * @param[in] input Source tensor. Data type supported: S16. 93 * @param[out] output Destination tensor, Data type supported: U8. 94 * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. 95 */ 96 void configure(const ITensor *input, ITensor *output, bool border_undefined); 97 98 // Inherited methods overridden: 99 void run(const Window &window, const ThreadInfo &info) override; 100 BorderSize border_size() const override; 101 }; 102 } // namespace arm_compute 103 #endif /*ARM_COMPUTE_NEGAUSSIAN5x5KERNEL_H */ 104