Michael Tyler | 8deee9b | 2023-06-30 11:26:05 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023 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 | |
| 25 | void do_premultiply_float_6(const float *in_ptr, |
| 26 | const unsigned int ld_row, |
| 27 | const unsigned int ld_col, |
| 28 | float *out_ptr, |
| 29 | const unsigned int out_ld_row, |
| 30 | const unsigned int out_ld_col, |
| 31 | const unsigned int tile_rows, |
| 32 | const unsigned int tile_cols, |
| 33 | const unsigned input_channels); |
| 34 | |
| 35 | template <typename T> |
| 36 | void do_premultiply(const T *in_ptr, |
| 37 | const unsigned int ld_row, |
| 38 | const unsigned int ld_col, |
| 39 | T *out_ptr, |
| 40 | const unsigned int out_ld_row, |
| 41 | const unsigned int out_ld_col, |
| 42 | const unsigned int tile_rows, |
| 43 | const unsigned int tile_cols, |
| 44 | const unsigned input_channels, |
| 45 | const unsigned int channel_multiplier) |
| 46 | { |
| 47 | if(sizeof(T) == 4 && channel_multiplier == 6) |
| 48 | { |
| 49 | do_premultiply_float_6( |
| 50 | (const float *)in_ptr, ld_row, ld_col, |
| 51 | (float *)out_ptr, out_ld_row, out_ld_col, |
| 52 | tile_rows, tile_cols, |
| 53 | input_channels); |
| 54 | } |
| 55 | else |
| 56 | { |
| 57 | for(unsigned int i = 0; i < tile_rows; i++) |
| 58 | { |
| 59 | const T *ip2 = in_ptr + i * ld_row; |
| 60 | T *op2 = out_ptr + i * out_ld_row; |
| 61 | for(unsigned int j = 0; j < tile_cols; j++) |
| 62 | { |
| 63 | const T *ip = ip2; |
| 64 | T *op = op2; |
| 65 | for(unsigned int c = 0; c < input_channels; c++) |
| 66 | { |
| 67 | T val = *ip; |
| 68 | ip++; |
| 69 | |
| 70 | for(unsigned int r = 0; r < channel_multiplier; r++) |
| 71 | { |
| 72 | op[r] = val; |
| 73 | } |
| 74 | op += channel_multiplier; |
| 75 | } |
| 76 | ip2 += ld_col; |
| 77 | op2 += out_ld_col; |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | } |