1 /* 2 * Copyright (c) 2018-2020 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_NEUPSAMPLELAYERKERNEL_H 25 #define ARM_COMPUTE_NEUPSAMPLELAYERKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** Interface for the Upsample layer kernel.*/ 34 class NEUpsampleLayerKernel : public INEKernel 35 { 36 public: name()37 const char *name() const override 38 { 39 return "NEUpsampleLayerKernel"; 40 } 41 /** Default constructor */ 42 NEUpsampleLayerKernel(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEUpsampleLayerKernel(const NEUpsampleLayerKernel &) = delete; 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEUpsampleLayerKernel &operator=(const NEUpsampleLayerKernel &) = delete; 47 /** Default Move Constructor. */ 48 NEUpsampleLayerKernel(NEUpsampleLayerKernel &&) = default; 49 /** Default move assignment operator */ 50 NEUpsampleLayerKernel &operator=(NEUpsampleLayerKernel &&) = default; 51 /** Default destructor */ 52 ~NEUpsampleLayerKernel() = default; 53 /** Set the input output tensors. 54 * 55 * @param[in] input Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 56 * @param[out] output Destination tensor. Data types supported: same as @p input. 57 * @param[in] info Contains stride information described in @ref Size2D. 58 * @param[in] policy Defines the policy to fill the intermediate pixels. 59 * 60 */ 61 void configure(const ITensor *input, ITensor *output, const Size2D &info, const InterpolationPolicy policy); 62 /** Static function to check if given info will lead to a valid configuration of @ref NEUpsampleLayerKernel 63 * 64 * @param[in] input Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 65 * @param[in] output Destination tensor info. Data types supported: same as @p input. 66 * @param[in] info Contains stride information described in @ref Size2D. 67 * @param[in] policy Defines the policy to fill the intermediate pixels. 68 * 69 * @return a status 70 */ 71 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Size2D &info, const InterpolationPolicy policy); 72 73 // Inherited methods overridden: 74 void run(const Window &window, const ThreadInfo &info) override; 75 76 private: 77 /** Function to run upsample layer (NCHW) 78 * 79 * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). 80 */ 81 template <typename T, int S> 82 void upsample_nchw(const Window &window); 83 /** Function to run upsample layer (NHWC) 84 * 85 * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). 86 */ 87 template <typename T, int S> 88 void upsample_nhwc(const Window &window); 89 90 using UpsampleFunctionPtr = void (NEUpsampleLayerKernel::*)(const Window &window); 91 92 private: 93 UpsampleFunctionPtr _func; 94 const ITensor *_input; 95 ITensor *_output; 96 Size2D _info; 97 }; 98 } // namespace arm_compute 99 #endif /*ARM_COMPUTE_NEUPSAMPLELAYERKERNEL_H */ 100