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 #ifndef ARM_COMPUTE_IACCESS_WINDOW_STATIC_H 25 #define ARM_COMPUTE_IACCESS_WINDOW_STATIC_H 26 27 #include "arm_compute/core/Coordinates.h" 28 #include "arm_compute/core/IAccessWindow.h" 29 #include "arm_compute/core/TensorShape.h" 30 #include "arm_compute/core/Types.h" 31 32 #include <array> 33 34 namespace arm_compute 35 { 36 class Window; 37 class ITensorInfo; 38 39 /** Implementation of a static rectangular access pattern. 40 * 41 * In this implementation the access offsets and sizes are not relative to the 42 * current element. Instead they are considered to be absolute coordinates 43 * within the accessed tensor's shape. 44 * 45 * */ 46 class AccessWindowStatic : public IAccessWindow 47 { 48 public: 49 /** Constructor for a static access pattern. 50 * 51 * @param[in,out] info Tensor info of the accessed kernel. 52 * @param[in] start_x Start of the access in X direction. 53 * @param[in] start_y Start of the access in Y direction. 54 * @param[in] end_x End of the access in X direction. 55 * @param[in] end_y End of the access in Y direction. 56 */ 57 AccessWindowStatic(ITensorInfo *info, int start_x, int start_y, int end_x, int end_y); 58 59 /** Prevent instances of this class from being copied (As this class contains pointers) */ 60 AccessWindowStatic(const AccessWindowStatic &) = delete; 61 /** Prevent instances of this class from being copied (As this class contains pointers) */ 62 AccessWindowStatic &operator=(const AccessWindowStatic &) = delete; 63 /** Allow instances of this class to be move constructed */ 64 AccessWindowStatic(AccessWindowStatic &&) = default; 65 /** Allow instances of this class to be moved */ 66 AccessWindowStatic &operator=(AccessWindowStatic &&) = default; 67 /** Default destructor */ 68 ~AccessWindowStatic() = default; 69 70 /** Set the valid region based on the static access pattern and valid 71 * region of the inputs. 72 * 73 * @param[in] window Execution window of the kernel. 74 * @param[in] input_valid_region Combined valid region of all inputs. 75 */ 76 void set_valid_region(const Window &window, const ValidRegion &input_valid_region); 77 78 /** Compute the valid region based on the static access pattern and valid region of the inputs. 79 * 80 * @param[in] window Execution window of the kernel. 81 * @param[in] input_valid_region Combined valid region of all inputs. 82 * 83 * @return a valid region. 84 * 85 */ 86 ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region) const; 87 88 // Inherited methods overriden: 89 bool update_window_if_needed(Window &window) const override; 90 bool update_padding_if_needed(const Window &window) override; 91 ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region, bool border_undefined, BorderSize border_size) const override; 92 93 private: 94 ITensorInfo *_info; 95 int _start_x; 96 int _start_y; 97 int _end_x; 98 int _end_y; 99 }; 100 } // namespace arm_compute 101 #endif /*ARM_COMPUTE_IACCESS_WINDOW_STATIC_H*/ 102