1 /* 2 * Copyright (c) 2017-2019 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_GCCOL2IMKERNEL_H 26 #define ARM_COMPUTE_GCCOL2IMKERNEL_H 27 28 #include "arm_compute/core/GLES_COMPUTE/IGCKernel.h" 29 30 namespace arm_compute 31 { 32 class IGCTensor; 33 34 /** Interface for the col2im reshaping kernel. 35 * 36 * Rearranges each matrix column into image blocks. It's the inverse operation of @ref GCIm2ColKernel. 37 * 38 * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3: 39 * 40 * @f[ 41 * \left( \begin{array}{ccccccccc} 42 * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\ 43 * \end{array} \right) 44 * \rightarrow 45 * \left( \begin{array}{ccc} 46 * a0 & a1 & a2 \\ 47 * a3 & a4 & a5 \\ 48 * a6 & a7 & a8 \\ 49 * \end{array} \right) 50 * @f] 51 */ 52 class GCCol2ImKernel : public IGCKernel 53 { 54 public: 55 /** Default constructor */ 56 GCCol2ImKernel(); 57 58 /** Prevent instances of this class from being copied (As this class contains pointers) */ 59 GCCol2ImKernel(const GCCol2ImKernel &) = delete; 60 61 /** Prevent instances of this class from being copied (As this class contains pointers) */ 62 GCCol2ImKernel &operator=(const GCCol2ImKernel &) = delete; 63 64 /** Allow instances of this class to be moved */ 65 GCCol2ImKernel(GCCol2ImKernel &&) = default; 66 67 /** Allow instances of this class to be moved */ 68 GCCol2ImKernel &operator=(GCCol2ImKernel &&) = default; 69 70 /** Default destructor */ 71 ~GCCol2ImKernel() = default; 72 73 /** Set the input and output of the kernel. 74 * 75 * @param[in] input The input tensor to convert. Data types supported: F16/F32 76 * @param[out] output The output tensor. 3 lower dimensions represent a single output [width, height, OFM], 77 * while the rest represent batch of outputs. Data types supported: Same as @p input 78 * @param[in] convolved_dims Output convolved dimensions. 79 */ 80 void configure(const IGCTensor *input, IGCTensor *output, std::pair<unsigned int, unsigned int> convolved_dims); 81 82 // Inherited methods overridden: 83 void run(const Window &window) override; 84 85 private: 86 const IGCTensor *_input; 87 IGCTensor *_output; 88 std::pair<unsigned int, unsigned int> _convolved_dims; 89 }; 90 } 91 92 #endif /*ARM_COMPUTE_GCCOL2IMKERNEL_H */ 93