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_NEGAUSSIANPYRAMIDKERNEL_H 25 #define ARM_COMPUTE_NEGAUSSIANPYRAMIDKERNEL_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 GaussianPyramid (horizontal pass) */ 34 class NEGaussianPyramidHorKernel : public INESimpleKernel 35 { 36 public: name()37 const char *name() const override 38 { 39 return "NEGaussianPyramidHorKernel"; 40 } 41 /** Default constructor */ 42 NEGaussianPyramidHorKernel(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEGaussianPyramidHorKernel(NEGaussianPyramidHorKernel &) = delete; 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEGaussianPyramidHorKernel &operator=(NEGaussianPyramidHorKernel &) = delete; 47 /** Allow instances of this class to be moved */ 48 NEGaussianPyramidHorKernel(NEGaussianPyramidHorKernel &&) = default; 49 /** Allow instances of this class to be moved */ 50 NEGaussianPyramidHorKernel &operator=(NEGaussianPyramidHorKernel &&) = default; 51 /** Default destructor */ 52 ~NEGaussianPyramidHorKernel() = 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. Output should have half the input width. Data type supported: S16. 58 */ 59 void configure(const ITensor *input, ITensor *output); 60 61 // Inherited methods overridden: 62 void run(const Window &window, const ThreadInfo &info) override; 63 BorderSize border_size() const override; 64 65 private: 66 int _l2_load_offset; 67 }; 68 69 /** NEON kernel to perform a GaussianPyramid (vertical pass) */ 70 class NEGaussianPyramidVertKernel : public INESimpleKernel 71 { 72 public: name()73 const char *name() const override 74 { 75 return "NEGaussianPyramidVertKernel"; 76 } 77 /** Default constructor */ 78 NEGaussianPyramidVertKernel(); 79 /** Prevent instances of this class from being copied (As this class contains pointers) */ 80 NEGaussianPyramidVertKernel(NEGaussianPyramidVertKernel &) = delete; 81 /** Prevent instances of this class from being copied (As this class contains pointers) */ 82 NEGaussianPyramidVertKernel &operator=(NEGaussianPyramidVertKernel &) = delete; 83 /** Allow instances of this class to be moved */ 84 NEGaussianPyramidVertKernel(NEGaussianPyramidVertKernel &&) = default; 85 /** Allow instances of this class to be moved */ 86 NEGaussianPyramidVertKernel &operator=(NEGaussianPyramidVertKernel &&) = default; 87 /** Default destructor */ 88 ~NEGaussianPyramidVertKernel() = default; 89 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. Output should have half the input height. Data type supported: U8. 94 */ 95 void configure(const ITensor *input, ITensor *output); 96 97 // Inherited methods overridden: 98 void run(const Window &window, const ThreadInfo &info) override; 99 BorderSize border_size() const override; 100 101 private: 102 int _t2_load_offset; 103 }; 104 } // namespace arm_compute 105 #endif /*ARM_COMPUTE_NEGAUSSIANPYRAMIDKERNEL_H */ 106