1 /* 2 * Copyright (c) 2019-2020 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_NEPADLAYERKERNEL_H 25 #define ARM_COMPUTE_NEPADLAYERKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** NEON kernel to add padding to a tensor 34 * 35 * Add padding given padding information 36 */ 37 class NEPadLayerKernel : public INEKernel 38 { 39 public: name()40 const char *name() const override 41 { 42 return "NEPadLayerKernel"; 43 } 44 /** Default constructor */ 45 NEPadLayerKernel(); 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEPadLayerKernel(const NEPadLayerKernel &) = delete; 48 /** Prevent instances of this class from being copied (As this class contains pointers) */ 49 NEPadLayerKernel &operator=(const NEPadLayerKernel &) = delete; 50 /** Allow instances of this class to be moved */ 51 NEPadLayerKernel(NEPadLayerKernel &&) = default; 52 /** Allow instances of this class to be moved */ 53 NEPadLayerKernel &operator=(NEPadLayerKernel &&) = default; 54 /** Default destructor */ 55 ~NEPadLayerKernel() = default; 56 57 /** Initialize the function 58 * 59 * @param[in] input Source tensor. Data types supported: All. 60 * @param[out] output Output tensor. Data type supported: same as @p input 61 * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i] 62 * specifies the front and the end padding in the i-th dimension. 63 * @param[in] constant_value (Optional) Constant value to be used for the padding 64 * @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT. 65 * Only CONSTANT padding mode is currently supported 66 */ 67 void configure(ITensor *input, ITensor *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT); 68 /** Static function to check if given info will lead to a valid configuration of @ref NEPadLayer. 69 * 70 * @param[in] input Source tensor info. Data types supported: All. 71 * @param[in] output Output tensor info. Data type supported: same as @p input 72 * @param[in] padding The padding for each spatial dimension of the input tensor. The pair padding[i] 73 * specifies the front and the end padding in the i-th dimension. 74 * @param[in] constant_value (Optional) Constant value to be used for the padding 75 * @param[in] mode (Optional) Controls whether the padding should be filled with @p constant_value using CONSTANT. 76 * Only CONSTANT padding mode is currently supported 77 * 78 * @return a status 79 */ 80 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PaddingList &padding, const PixelValue constant_value = PixelValue(), const PaddingMode mode = PaddingMode::CONSTANT); 81 82 // Inherited methods overridden: 83 void run(const Window &window, const ThreadInfo &info) override; 84 85 private: 86 /** Template function to run the padding function with constant padding 87 * 88 * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). 89 */ 90 template <typename T> 91 void run_pad_constant(const Window &window); 92 93 /** Function to run the padding function with constant padding for 3D input and 1D, 2D, 3D padding 94 * 95 * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). 96 */ 97 void run_pad_constant_uint8_3Dinput_3Dpad(const Window &window); 98 99 /** Common signature for all the specialised permute functions 100 * 101 * @param[in] window Region on which to execute the kernel. 102 */ 103 using PadFunctionPtr = void (NEPadLayerKernel::*)(const Window &window); 104 105 PadFunctionPtr _func; 106 const ITensor *_input; 107 ITensor *_output; 108 PaddingList _padding; 109 PixelValue _constant_value; 110 PaddingMode _mode; 111 }; 112 } // namespace arm_compute 113 #endif /*ARM_COMPUTE_NEPADLAYERKERNEL_H */ 114