1 /* 2 * Copyright (c) 2016-2022 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_NESCALEIMAGE_H 25 #define ARM_COMPUTE_NESCALEIMAGE_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 29 #include "arm_compute/core/KernelDescriptors.h" 30 #include "arm_compute/core/Types.h" 31 32 #include <memory> 33 34 namespace arm_compute 35 { 36 class ITensor; 37 class ITensorInfo; 38 39 /** Basic function to compute Scale */ 40 class NEScale : public IFunction 41 { 42 public: 43 /** Constructor */ 44 NEScale(); 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEScale(const NEScale &) = delete; 47 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 48 NEScale(NEScale &&) = delete; 49 /** Prevent instances of this class from being copied (As this class contains pointers) */ 50 NEScale &operator=(const NEScale &) = delete; 51 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 52 NEScale &operator=(NEScale &&) = delete; 53 /** Destructor */ 54 ~NEScale(); 55 /** Initialize the function's source, destination, interpolation type and border_mode. 56 * 57 * Valid data layouts: 58 * - NHWC 59 * - NCHW 60 * 61 * Valid data type configurations: 62 * |src |dst | 63 * |:--------------|:--------------| 64 * |QASYMM8 |QASYMM8 | 65 * |QASYMM8_SIGNED |QASYMM8_SIGNED | 66 * |F16 |F16 | 67 * |F32 |F32 | 68 * |U8 |U8 | 69 * |S8 |S8 | 70 * |S16 |S16 | 71 * 72 * @param[in, out] input Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED) 73 * @param[out] output Destination tensor. Data type supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane. 74 * @param[in] info @ref ScaleKernelInfo to be used for configuration 75 * 76 * @note Using S8 data type only supports NHWC, @p border_mode Replicate, and @p policy Bilinear 77 */ 78 void configure(ITensor *input, ITensor *output, const ScaleKernelInfo &info); 79 /** Static function to check if given info will lead to a valid configuration of @ref NEScale 80 * 81 * @param[in] input Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED) 82 * @param[in] output Destination tensor. Data type supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane. 83 * @param[in] info @ref ScaleKernelInfo to be used for validation 84 * 85 * @return a status 86 */ 87 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info); 88 89 // Inherited methods overridden: 90 void run() override; 91 92 private: 93 struct Impl; 94 std::unique_ptr<Impl> _impl; 95 }; 96 } // namespace arm_compute 97 #endif /*ARM_COMPUTE_NESCALEIMAGE_H */ 98