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_CLACTIVATIONLAYERKERNEL_H 25 #define ARM_COMPUTE_CLACTIVATIONLAYERKERNEL_H 26 27 #include "src/core/CL/ICLKernel.h" 28 29 namespace arm_compute 30 { 31 class ICLTensor; 32 /** Interface for the activation layer kernel. */ 33 class CLActivationLayerKernel : public ICLKernel 34 { 35 public: 36 /** Default constructor */ 37 CLActivationLayerKernel(); 38 /** Prevent instances of this class from being copied (As this class contains pointers) */ 39 CLActivationLayerKernel(const CLActivationLayerKernel &) = delete; 40 /** Prevent instances of this class from being copied (As this class contains pointers) */ 41 CLActivationLayerKernel &operator=(const CLActivationLayerKernel &) = delete; 42 /** Allow instances of this class to be moved */ 43 CLActivationLayerKernel(CLActivationLayerKernel &&) = default; 44 /** Allow instances of this class to be moved */ 45 CLActivationLayerKernel &operator=(CLActivationLayerKernel &&) = default; 46 /** Default destructor */ 47 ~CLActivationLayerKernel() = default; 48 /** Set the input and output tensor. 49 * 50 * @note If the output tensor is a nullptr, the activation function will be performed in-place 51 * 52 * @param[in] compile_context The compile context to be used. 53 * @param[in, out] input Source tensor. In case of @p output tensor = nullptr, this tensor will store the result 54 * of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32. 55 * @param[out] output Destination tensor. Data type supported: same as @p input 56 * @param[in] act_info Activation layer information. 57 */ 58 void configure(const CLCompileContext &compile_context, ITensorInfo *input, ITensorInfo *output, ActivationLayerInfo act_info); 59 /** Static function to check if given info will lead to a valid configuration of @ref CLActivationLayerKernel 60 * 61 * @param[in] input Source tensor info. In case of @p output tensor info = nullptr, this tensor will store the result 62 * of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32. 63 * @param[in] output Destination tensor info. Data type supported: same as @p input 64 * @param[in] act_info Activation layer information. 65 * 66 * @return a status 67 */ 68 static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info); 69 70 // Inherited methods overridden: 71 void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override; 72 73 private: 74 bool _run_in_place; 75 }; 76 } // namespace arm_compute 77 #endif /*ARM_COMPUTE_CLACTIVATIONLAYERKERNEL_H */ 78