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_ACCESS_WINDOW_AUTO_PADDING_H 25 #define ARM_COMPUTE_ACCESS_WINDOW_AUTO_PADDING_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 namespace arm_compute 33 { 34 class Window; 35 class ITensorInfo; 36 37 /** Dummy access window. 38 * 39 * This implementation always uses the auto padding of the tensor info and 40 * never updates the window. The valid region is always set to cover the entire 41 * tensor. 42 * 43 * @note This access window is only used during the migration to the new 44 * padding system. It will be removed once all kernels have been ported. 45 * 46 * */ 47 class AccessWindowAutoPadding : public IAccessWindow 48 { 49 public: 50 /** Default constructor. 51 * 52 * @param[in,out] info Tensor info of the accessed kernel. 53 */ 54 AccessWindowAutoPadding(ITensorInfo *info); 55 /** Prevent instances of this class from being copied (As this class contains pointers) */ 56 AccessWindowAutoPadding(const AccessWindowAutoPadding &) = delete; 57 /** Prevent instances of this class from being copied (As this class contains pointers) */ 58 AccessWindowAutoPadding &operator=(const AccessWindowAutoPadding &) = delete; 59 /** Allow instances of this class to be move constructed */ 60 AccessWindowAutoPadding(AccessWindowAutoPadding &&) = default; 61 /** Allow instances of this class to be moved */ 62 AccessWindowAutoPadding &operator=(AccessWindowAutoPadding &&) = default; 63 /** Default destructor */ 64 ~AccessWindowAutoPadding() = default; 65 66 /** Set the valid region to match the entire tensor. */ 67 void set_valid_region(); 68 69 /** Return a valid region that spans across the entire tensor. 70 * 71 * @return a valid region. 72 * 73 */ 74 ValidRegion compute_valid_region() const; 75 76 // Inherited methods overridden: 77 bool update_window_if_needed(Window &window) const override; 78 bool update_padding_if_needed(const Window &window) override; 79 ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region, bool border_undefined, BorderSize border_size) const override; 80 81 private: 82 ITensorInfo *_info; 83 }; 84 } // namespace arm_compute 85 #endif /*ARM_COMPUTE_ACCESS_WINDOW_AUTO_PADDING_H*/ 86