1 /* 2 * Copyright (c) 2017-2020 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 25 #ifndef ARM_COMPUTE_NEDEPTHCONCATENATEKERNEL_H 26 #define ARM_COMPUTE_NEDEPTHCONCATENATEKERNEL_H 27 28 #include "src/core/NEON/INEKernel.h" 29 30 namespace arm_compute 31 { 32 // Forward declarations 33 class ITensor; 34 35 /** Interface for the depth concatenate kernel. 36 * The input tensor will be concatenated into the output tensor. 37 */ 38 class NEDepthConcatenateLayerKernel : public INEKernel 39 { 40 public: name()41 const char *name() const override 42 { 43 return "NEDepthConcatenateLayerKernel"; 44 } 45 /** Default constructor */ 46 NEDepthConcatenateLayerKernel(); 47 /** Prevent instances of this class from being copied (As this class contains pointers) */ 48 NEDepthConcatenateLayerKernel(const NEDepthConcatenateLayerKernel &) = delete; 49 /** Prevent instances of this class from being copied (As this class contains pointers) */ 50 NEDepthConcatenateLayerKernel &operator=(const NEDepthConcatenateLayerKernel &) = delete; 51 /** Allow instances of this class to be moved */ 52 NEDepthConcatenateLayerKernel(NEDepthConcatenateLayerKernel &&) = default; 53 /** Allow instances of this class to be moved */ 54 NEDepthConcatenateLayerKernel &operator=(NEDepthConcatenateLayerKernel &&) = default; 55 /** Default destructor */ 56 ~NEDepthConcatenateLayerKernel() = default; 57 /** Initialise the kernel's inputs and output 58 * 59 * @param[in] input Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 60 * @param[in] depth_offset The offset on the Z axis. 61 * @param[in,out] output Output tensor info. Data types supported: Same as @p input. 62 * 63 * @note: The output tensor's low two dimensions can't be smaller than the input one's. 64 * @note: The gaps between the two lowest dimensions of input and output need to be divisible by 2. 65 * 66 */ 67 void configure(const ITensorInfo *input, unsigned int depth_offset, ITensorInfo *output); 68 /** Static function to check if given info will lead to a valid configuration of @ref NEDepthConcatenateLayerKernel 69 * 70 * @param[in] input Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32. 71 * @param[in] depth_offset The offset on the Z axis. 72 * @param[in] output Output tensor info. Data types supported: Same as @p input. 73 * 74 * @return a status 75 */ 76 static Status validate(const ITensorInfo *input, unsigned int depth_offset, const ITensorInfo *output); 77 78 // Inherited methods overridden: 79 void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override; 80 81 private: 82 using DepthConcatFunction = void(const ITensor *in, ITensor *out, unsigned int depth_offset, const Window &window); 83 84 private: 85 DepthConcatFunction *_func; 86 unsigned int _depth_offset; 87 }; 88 } // namespace arm_compute 89 #endif /* ARM_COMPUTE_NEDEPTHCONCATENATEKERNEL_H */ 90