1 /* 2 * Copyright (c) 2021-2022 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_CPU_SCALE_H 25 #define ARM_COMPUTE_CPU_SCALE_H 26 27 #include "arm_compute/core/ITensorInfo.h" 28 #include "arm_compute/core/KernelDescriptors.h" 29 #include "arm_compute/core/experimental/Types.h" 30 #include "src/cpu/ICpuKernel.h" 31 #include "src/cpu/ICpuOperator.h" 32 33 #include <memory> 34 35 namespace arm_compute 36 { 37 namespace cpu 38 { 39 /** Basic function to compute Scale */ 40 class CpuScale : public ICpuOperator 41 { 42 public: 43 /** Initialize the function's source, destination, interpolation type and border_mode. 44 * 45 * @param[in, out] src Source tensor info. Data type supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED) 46 * @param[out] dst Destination tensor info. Data type supported: Same as @p src. 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. 47 * @param[in] info @ref ScaleKernelInfo to be used for configuration 48 * 49 * @note Using S8 data type only supports NHWC, @p border_mode Replicate, and @p policy Bilinear 50 */ 51 void configure(ITensorInfo *src, ITensorInfo *dst, const ScaleKernelInfo &info); 52 /** Static function to check if given info will lead to a valid configuration 53 * 54 * Similar to @ref CpuScale::configure() 55 * 56 * @return a status 57 */ 58 static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const ScaleKernelInfo &info); 59 60 // Inherited methods overridden: 61 void prepare(ITensorPack &tensors) override; 62 void run(ITensorPack &tensors) override; 63 64 private: 65 ScaleKernelInfo _scale_info{ InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::UNDEFINED }; 66 DataLayout _data_layout{ DataLayout::UNKNOWN }; 67 bool _is_prepared{ false }; 68 }; 69 } // namespace cpu 70 } // namespace arm_compute 71 #endif /* ARM_COMPUTE_CPU_SCALE_H */ 72