| Georgios Pinitas | 47d39dc | 2019-03-11 14:03:23 +0000 | [diff] [blame] | 1 | /* |
| Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2019 Arm Limited. |
| Georgios Pinitas | 47d39dc | 2019-03-11 14:03:23 +0000 | [diff] [blame] | 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 | #pragma once |
| 26 | |
| 27 | #include <cstddef> |
| 28 | |
| 29 | // Utilities for copying tensor tiles and adding/removing padding. |
| 30 | namespace padding |
| 31 | { |
| 32 | |
| 33 | /* Copy a tile and apply padding to the output copy. |
| 34 | */ |
| 35 | template <typename T> |
| 36 | void copy_and_pad_tile( |
| 37 | unsigned int tile_rows, |
| 38 | unsigned int tile_cols, |
| 39 | unsigned int n_channels, |
| 40 | const T *inptr, |
| 41 | unsigned int in_row_stride, |
| 42 | unsigned int in_col_stride, |
| 43 | T* outptr, |
| 44 | unsigned int out_row_stride, |
| 45 | unsigned int out_col_stride, |
| 46 | unsigned int pad_top, |
| 47 | unsigned int pad_left, |
| 48 | unsigned int pad_bottom, |
| 49 | unsigned int pad_right, |
| 50 | T pad_value=static_cast<T>(0) |
| 51 | ); |
| 52 | |
| 53 | /** Copy a tile and remove padding elements in the output. |
| 54 | */ |
| 55 | template <unsigned int TileRows, unsigned int TileCols> |
| 56 | class CopyCropped |
| 57 | { |
| 58 | public: |
| 59 | static void execute( |
| 60 | size_t size, // Amount of data to copy |
| 61 | const void *inptr, |
| 62 | size_t in_row_stride, |
| 63 | size_t in_col_stride, |
| 64 | void *outptr, |
| 65 | size_t out_row_stride, |
| 66 | size_t out_col_stride, |
| 67 | unsigned int pad_top, |
| 68 | unsigned int pad_left, |
| 69 | unsigned int pad_bottom, |
| 70 | unsigned int pad_right |
| 71 | ); |
| 72 | }; |
| 73 | |
| Pablo Tello | 8f43d74 | 2019-03-27 09:28:32 +0000 | [diff] [blame] | 74 | template <typename T> |
| 75 | void crop_and_copy_tile( |
| 76 | unsigned int tile_rows, |
| 77 | unsigned int tile_cols, |
| 78 | unsigned int n_channels, |
| 79 | const T *inptr, |
| 80 | unsigned int in_row_stride, |
| 81 | unsigned int in_col_stride, |
| 82 | T *outptr, |
| 83 | unsigned int out_row_stride, |
| 84 | unsigned int out_col_stride, |
| 85 | unsigned int crop_top, |
| 86 | unsigned int crop_left, |
| 87 | unsigned int crop_bottom, |
| 88 | unsigned int crop_right |
| 89 | ); |
| 90 | |
| Georgios Pinitas | 47d39dc | 2019-03-11 14:03:23 +0000 | [diff] [blame] | 91 | } |