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_NEGAUSSIAN5x5_H 25 #define ARM_COMPUTE_NEGAUSSIAN5x5_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/IFunction.h" 29 #include "arm_compute/runtime/IMemoryManager.h" 30 #include "arm_compute/runtime/MemoryGroup.h" 31 #include "arm_compute/runtime/Tensor.h" 32 33 #include <cstdint> 34 #include <memory> 35 36 namespace arm_compute 37 { 38 class ITensor; 39 class NEGaussian5x5HorKernel; 40 class NEGaussian5x5VertKernel; 41 class NEFillBorderKernel; 42 43 /** Basic function to execute gaussian filter 5x5. This function calls the following NEON kernels: 44 * 45 * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE) 46 * -# @ref NEGaussian5x5HorKernel 47 * -# @ref NEGaussian5x5VertKernel 48 * 49 * @deprecated This function is deprecated and is intended to be removed in 21.05 release 50 * 51 */ 52 class NEGaussian5x5 : public IFunction 53 { 54 public: 55 /** Default constructor 56 */ 57 NEGaussian5x5(std::shared_ptr<IMemoryManager> memory_manager = nullptr); 58 /** Prevent instances of this class from being copied (As this class contains pointers) */ 59 NEGaussian5x5(const NEGaussian5x5 &) = delete; 60 /** Prevent instances of this class from being copied (As this class contains pointers) */ 61 NEGaussian5x5 &operator=(const NEGaussian5x5 &) = delete; 62 /** Allow instances of this class to be moved */ 63 NEGaussian5x5(NEGaussian5x5 &&) = default; 64 /** Allow instances of this class to be moved */ 65 NEGaussian5x5 &operator=(NEGaussian5x5 &&) = default; 66 /** Default destructor */ 67 ~NEGaussian5x5(); 68 /** Initialise the function's input, output and border mode. 69 * 70 * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED) 71 * @param[out] output Destination tensor, Data type supported: U8. 72 * @param[in] border_mode Strategy to use for borders. 73 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 74 */ 75 void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value = 0); 76 77 // Inherited methods overridden: 78 void run() override; 79 80 protected: 81 MemoryGroup _memory_group; /**< Function memory group */ 82 std::unique_ptr<NEGaussian5x5HorKernel> _kernel_hor; /**< kernel for horizontal pass */ 83 std::unique_ptr<NEGaussian5x5VertKernel> _kernel_vert; /**< kernel for vertical pass */ 84 Tensor _tmp; /**< temporary buffer for output of horizontal pass */ 85 std::unique_ptr<NEFillBorderKernel> _border_handler; /**< kernel to handle tensor borders */ 86 }; 87 } 88 #endif /*ARM_COMPUTE_NEGAUSSIAN5x5_H */ 89