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_NESCALEIMAGE_H 25 #define ARM_COMPUTE_NESCALEIMAGE_H 26 27 #include "arm_compute/core/KernelDescriptors.h" 28 #include "arm_compute/core/Types.h" 29 #include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h" 30 #include "arm_compute/runtime/Tensor.h" 31 32 namespace arm_compute 33 { 34 class ITensor; 35 36 /** Basic function to run @ref NEScaleKernel */ 37 class NEScale : public INESimpleFunctionNoBorder 38 { 39 public: 40 /** Constructor 41 * 42 * Initialize NEScale 43 */ 44 NEScale(); 45 /** Initialize the function's source, destination, interpolation type and border_mode. 46 * 47 * @param[in, out] input Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED) 48 * @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. 49 * @param[in] info @ref ScaleKernelInfo to be used for configuration 50 */ 51 void configure(ITensor *input, ITensor *output, const ScaleKernelInfo &info); 52 /** Static function to check if given info will lead to a valid configuration of @ref NEScale 53 * 54 * @param[in] input Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED) 55 * @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. 56 * @param[in] info @ref ScaleKernelInfo to be used for validation 57 * 58 * @return a status 59 */ 60 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info); 61 62 private: 63 Tensor _offsets; /**< Offset to access the element with NEAREST interpolation or the top-left element with BILINEAR interpolation in the input tensor */ 64 Tensor _dx; /**< Element's distance between the X real coordinate and the smallest X following integer */ 65 Tensor _dy; /**< Element's distance between the Y real coordinate and the smallest Y following integer */ 66 }; 67 } // namespace arm_compute 68 #endif /*ARM_COMPUTE_NESCALEIMAGE_H */ 69