Georgios Pinitas | 47d39dc | 2019-03-11 14:03:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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 | #include <cstring> |
| 25 | #include <cstdint> |
| 26 | |
Georgios Pinitas | 30271c7 | 2019-06-24 14:56:34 +0100 | [diff] [blame] | 27 | #include "arm.hpp" |
| 28 | #include "padding.hpp" |
Georgios Pinitas | 47d39dc | 2019-03-11 14:03:23 +0000 | [diff] [blame] | 29 | |
| 30 | namespace padding |
| 31 | { |
| 32 | |
| 33 | template <typename T> |
| 34 | void copy_and_pad_tile( |
| 35 | const unsigned int tile_rows, |
| 36 | const unsigned int tile_cols, |
| 37 | const unsigned int n_channels, |
| 38 | const T* const inptr, |
| 39 | const unsigned int in_row_stride, |
| 40 | const unsigned int in_col_stride, |
| 41 | T* const outptr, |
| 42 | const unsigned int out_row_stride, |
| 43 | const unsigned int out_col_stride, |
| 44 | const unsigned int pad_top, |
| 45 | const unsigned int pad_left, |
| 46 | const unsigned int pad_bottom, |
| 47 | const unsigned int pad_right, |
| 48 | const T pad_value |
| 49 | ) |
| 50 | { |
| 51 | for (unsigned int out_i = 0; out_i < tile_rows; out_i++) |
| 52 | { |
| 53 | for (unsigned int out_j = 0; out_j < tile_cols; out_j++) |
| 54 | { |
| 55 | T* const output = outptr + out_i*out_row_stride + out_j*out_col_stride; |
| 56 | |
| 57 | if (out_i < pad_top || tile_rows - pad_bottom <= out_i || |
| 58 | out_j < pad_left || tile_cols - pad_right <= out_j) |
| 59 | { |
| 60 | for (unsigned int n = 0; n < n_channels; n++) |
| 61 | { |
| 62 | output[n] = pad_value; |
| 63 | } |
| 64 | } |
| 65 | else |
| 66 | { |
| 67 | const auto in_i = out_i - pad_top, in_j = out_j - pad_left; |
| 68 | const T* const input = inptr + in_i*in_row_stride + in_j*in_col_stride; |
| 69 | std::memcpy(output, input, n_channels * sizeof(T)); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | template void copy_and_pad_tile( |
| 76 | unsigned int, unsigned int, unsigned int, |
| 77 | const uint8_t *, unsigned int, unsigned int, |
| 78 | uint8_t *, unsigned int, unsigned int, |
| 79 | unsigned int, unsigned int, unsigned int, unsigned int, uint8_t |
| 80 | ); |
| 81 | |
| 82 | template void copy_and_pad_tile( |
| 83 | unsigned int, unsigned int, unsigned int, |
| 84 | const float *, unsigned int, unsigned int, |
| 85 | float *, unsigned int, unsigned int, |
| 86 | unsigned int, unsigned int, unsigned int, unsigned int, float |
| 87 | ); |
| 88 | |
| 89 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| 90 | template void copy_and_pad_tile( |
| 91 | unsigned int, unsigned int, unsigned int, |
| 92 | const float16_t *, unsigned int, unsigned int, |
| 93 | float16_t *, unsigned int, unsigned int, |
| 94 | unsigned int, unsigned int, unsigned int, unsigned int, float16_t |
| 95 | ); |
| 96 | #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| 97 | |
| 98 | template <unsigned int TileRows, unsigned int TileCols> |
| 99 | void CopyCropped<TileRows, TileCols>::execute( |
| 100 | const size_t size, |
| 101 | const void * const inptr, |
| 102 | const size_t in_row_stride, |
| 103 | const size_t in_col_stride, |
| 104 | void * const outptr, |
| 105 | const size_t out_row_stride, |
| 106 | const size_t out_col_stride, |
| 107 | const unsigned int pad_top, |
| 108 | const unsigned int pad_left, |
| 109 | const unsigned int pad_bottom, |
| 110 | const unsigned int pad_right |
| 111 | ) |
| 112 | { |
| 113 | for (unsigned int out_i = 0, in_i = pad_top; in_i < TileRows - pad_bottom; out_i++, in_i++) |
| 114 | { |
| 115 | for (unsigned int out_j = 0, in_j = pad_left; in_j < TileCols - pad_right; out_j++, in_j++) |
| 116 | { |
| 117 | std::memcpy( |
| 118 | static_cast<uint8_t *>(outptr) + out_i*out_row_stride + out_j*out_col_stride, |
| 119 | static_cast<const uint8_t *>(inptr) + in_i*in_row_stride + in_j*in_col_stride, |
| 120 | size |
| 121 | ); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | template class CopyCropped<2, 2>; |
| 127 | template class CopyCropped<3, 3>; |
| 128 | template class CopyCropped<4, 4>; |
| 129 | |
| 130 | } // namespace padding |