| /* |
| * Copyright (c) 2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include <cstring> |
| #include <cstdint> |
| |
| #include "arm.hpp" |
| #include "padding.hpp" |
| |
| namespace padding |
| { |
| |
| template <typename T> |
| void copy_and_pad_tile( |
| const unsigned int tile_rows, |
| const unsigned int tile_cols, |
| const unsigned int n_channels, |
| const T* const inptr, |
| const unsigned int in_row_stride, |
| const unsigned int in_col_stride, |
| T* const outptr, |
| const unsigned int out_row_stride, |
| const unsigned int out_col_stride, |
| const unsigned int pad_top, |
| const unsigned int pad_left, |
| const unsigned int pad_bottom, |
| const unsigned int pad_right, |
| const T pad_value |
| ) |
| { |
| for (unsigned int out_i = 0; out_i < tile_rows; out_i++) |
| { |
| for (unsigned int out_j = 0; out_j < tile_cols; out_j++) |
| { |
| T* const output = outptr + out_i*out_row_stride + out_j*out_col_stride; |
| |
| if (out_i < pad_top || tile_rows - pad_bottom <= out_i || |
| out_j < pad_left || tile_cols - pad_right <= out_j) |
| { |
| for (unsigned int n = 0; n < n_channels; n++) |
| { |
| output[n] = pad_value; |
| } |
| } |
| else |
| { |
| const auto in_i = out_i - pad_top, in_j = out_j - pad_left; |
| const T* const input = inptr + in_i*in_row_stride + in_j*in_col_stride; |
| std::memcpy(output, input, n_channels * sizeof(T)); |
| } |
| } |
| } |
| } |
| |
| template void copy_and_pad_tile( |
| unsigned int, unsigned int, unsigned int, |
| const uint8_t *, unsigned int, unsigned int, |
| uint8_t *, unsigned int, unsigned int, |
| unsigned int, unsigned int, unsigned int, unsigned int, uint8_t |
| ); |
| |
| template void copy_and_pad_tile( |
| unsigned int, unsigned int, unsigned int, |
| const float *, unsigned int, unsigned int, |
| float *, unsigned int, unsigned int, |
| unsigned int, unsigned int, unsigned int, unsigned int, float |
| ); |
| |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| template void copy_and_pad_tile( |
| unsigned int, unsigned int, unsigned int, |
| const float16_t *, unsigned int, unsigned int, |
| float16_t *, unsigned int, unsigned int, |
| unsigned int, unsigned int, unsigned int, unsigned int, float16_t |
| ); |
| #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| |
| template <unsigned int TileRows, unsigned int TileCols> |
| void CopyCropped<TileRows, TileCols>::execute( |
| const size_t size, |
| const void * const inptr, |
| const size_t in_row_stride, |
| const size_t in_col_stride, |
| void * const outptr, |
| const size_t out_row_stride, |
| const size_t out_col_stride, |
| const unsigned int pad_top, |
| const unsigned int pad_left, |
| const unsigned int pad_bottom, |
| const unsigned int pad_right |
| ) |
| { |
| for (unsigned int out_i = 0, in_i = pad_top; in_i < TileRows - pad_bottom; out_i++, in_i++) |
| { |
| for (unsigned int out_j = 0, in_j = pad_left; in_j < TileCols - pad_right; out_j++, in_j++) |
| { |
| std::memcpy( |
| static_cast<uint8_t *>(outptr) + out_i*out_row_stride + out_j*out_col_stride, |
| static_cast<const uint8_t *>(inptr) + in_i*in_row_stride + in_j*in_col_stride, |
| size |
| ); |
| } |
| } |
| } |
| |
| template class CopyCropped<2, 2>; |
| template class CopyCropped<3, 3>; |
| template class CopyCropped<4, 4>; |
| |
| } // namespace padding |