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_CLSCALEKERNEL_H 25 #define ARM_COMPUTE_CLSCALEKERNEL_H 26 27 #include "arm_compute/core/KernelDescriptors.h" 28 #include "src/core/CL/ICLSimple2DKernel.h" 29 30 namespace arm_compute 31 { 32 class ICLTensor; 33 34 /** Interface for the scale kernel */ 35 class CLScaleKernel : public ICLSimple2DKernel 36 { 37 public: 38 /** Initialise the kernel's inputs, output and interpolation policy 39 * 40 * @param[in] input Source tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32 41 * @param[out] output Destination tensor. Data types supported: Same as @p input 42 * 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. 43 * @param[in] info @ref ScaleKernelInfo Kernel descriptor to be used to configure. 44 */ 45 void configure(const ICLTensor *input, ICLTensor *output, const ScaleKernelInfo &info); 46 /** Initialise the kernel's inputs, output and interpolation policy 47 * 48 * @param[in] compile_context The compile context to be used. 49 * @param[in] input Source tensor. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32 50 * @param[out] output Destination tensor. Data types supported: Same as @p input 51 * 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. 52 * @param[in] info @ref ScaleKernelInfo Kernel descriptor to be used to configure. 53 */ 54 void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const ScaleKernelInfo &info); 55 56 /** Static function to check if given info will lead to a valid configuration of @ref CLScaleKernel 57 * 58 * @param[in] input Source tensor info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/F16/F32 59 * @param[in] output Destination tensor info. Data types supported: Same as @p input 60 * 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. 61 * @param[in] info @ref ScaleKernelInfo Kernel descriptor to be used to validate 62 * 63 * @return a status 64 */ 65 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info); 66 /** Input tensor accessor. 67 * 68 * @return Pointer to input tensor. 69 */ 70 const ICLTensor *input() const; 71 /** Output tensor accessor. 72 * 73 * @return Pointer to output tensor. 74 */ 75 const ICLTensor *output() const; 76 77 // Inherited methods overridden: 78 BorderSize border_size() const override; 79 void run(const Window &window, cl::CommandQueue &queue) override; 80 81 // Getter for interpolation policy get_interpolation_policy()82 InterpolationPolicy get_interpolation_policy() const 83 { 84 return _interpolation_policy; 85 } 86 87 private: 88 InterpolationPolicy _interpolation_policy = InterpolationPolicy::BILINEAR; 89 DataLayout _data_layout = DataLayout::UNKNOWN; 90 bool _align_corners = false; 91 }; 92 } // namespace arm_compute 93 #endif /*ARM_COMPUTE_CLSCALEKERNEL_H */ 94