Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame^] | 2 | * Copyright (c) 2016-2018 Arm Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [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 | #include "helpers.h" |
| 25 | |
| 26 | /** Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel. |
| 27 | * |
| 28 | * @attention The DATA_TYPE needs to be passed at the compile time. |
| 29 | * e.g. -DDATA_TYPE=int |
| 30 | * |
| 31 | * @attention The border size for top, bottom, left, right needs to be passed at the compile time. |
| 32 | * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2 |
| 33 | * |
Michele Di Giorgio | d24af8a | 2018-05-08 17:23:52 +0100 | [diff] [blame] | 34 | * @param[in,out] buf_ptr Pointer to the source image. Supported data types: U8/U16/S16/U32/S32/F16/F32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 35 | * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes) |
| 36 | * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes) |
| 37 | * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes) |
| 38 | * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes) |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 39 | * @param[in] buf_stride_z Stride between images if batching images (in bytes) |
| 40 | * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 41 | * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image |
| 42 | * @param[in] width Width of the valid region of the image |
| 43 | * @param[in] height Height of the valid region of the image |
| 44 | * @param[in] start_pos XY coordinate indicating the start point of the valid region |
| 45 | */ |
| 46 | __kernel void fill_image_borders_replicate( |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 47 | TENSOR3D_DECLARATION(buf), |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 48 | uint width, |
| 49 | uint height, |
| 50 | int2 start_pos) |
| 51 | { |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 52 | Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 53 | |
| 54 | // Update pointer to point to the starting point of the valid region |
| 55 | buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x; |
| 56 | |
| 57 | const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT; |
| 58 | const int gid0 = get_global_id(0); |
| 59 | const int gidH = gid0 - total_width; |
| 60 | const int gidW = gid0 - BORDER_SIZE_LEFT; |
| 61 | |
| 62 | if(gidH >= 0) |
| 63 | { |
| 64 | // Handle left border |
| 65 | DATA_TYPE left_val = *(__global DATA_TYPE *)offset(&buf, 0, gidH); |
| 66 | for(int i = -BORDER_SIZE_LEFT; i < 0; ++i) |
| 67 | { |
| 68 | *(__global DATA_TYPE *)offset(&buf, i, gidH) = left_val; |
| 69 | } |
| 70 | // Handle right border |
| 71 | DATA_TYPE right_val = *(__global DATA_TYPE *)offset(&buf, width - 1, gidH); |
| 72 | for(int i = 0; i < BORDER_SIZE_RIGHT; ++i) |
| 73 | { |
| 74 | *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = right_val; |
| 75 | } |
| 76 | } |
| 77 | else |
| 78 | { |
| 79 | // Get value for corners |
| 80 | int val_idx = gidW; |
| 81 | if(gidW < 0 || gidW > (width - 1)) |
| 82 | { |
| 83 | val_idx = gidW < 0 ? 0 : width - 1; |
| 84 | } |
| 85 | |
| 86 | // Handle top border |
| 87 | DATA_TYPE top_val = *(__global DATA_TYPE *)offset(&buf, val_idx, 0); |
| 88 | for(int i = -BORDER_SIZE_TOP; i < 0; ++i) |
| 89 | { |
| 90 | *(__global DATA_TYPE *)offset(&buf, gidW, i) = top_val; |
| 91 | } |
| 92 | // Handle bottom border |
| 93 | DATA_TYPE bottom_val = *(__global DATA_TYPE *)offset(&buf, val_idx, height - 1); |
| 94 | for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i) |
| 95 | { |
| 96 | *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = bottom_val; |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /** Fill N pixels of the padding edge of a single channel image with a constant value. |
| 102 | * |
| 103 | * @attention The DATA_TYPE needs to be passed at the compile time. |
| 104 | * e.g. -DDATA_TYPE=int |
| 105 | * |
| 106 | * @attention The border size for top, bottom, left, right needs to be passed at the compile time. |
| 107 | * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2 |
| 108 | * |
Michele Di Giorgio | d24af8a | 2018-05-08 17:23:52 +0100 | [diff] [blame] | 109 | * @param[out] buf_ptr Pointer to the source image. Supported data types: U8/U16/S16/U32/S32/F16/F32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 110 | * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes) |
| 111 | * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes) |
| 112 | * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes) |
| 113 | * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes) |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 114 | * @param[in] buf_stride_z Stride between images if batching images (in bytes) |
| 115 | * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 116 | * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image |
| 117 | * @param[in] width Width of the valid region of the image |
| 118 | * @param[in] height Height of the valid region of the image |
| 119 | * @param[in] start_pos XY coordinate indicating the start point of the valid region |
| 120 | * @param[in] constant_value Constant value to use to fill the edges |
| 121 | */ |
| 122 | __kernel void fill_image_borders_constant( |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 123 | TENSOR3D_DECLARATION(buf), |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 124 | uint width, |
| 125 | uint height, |
| 126 | int2 start_pos, |
| 127 | DATA_TYPE constant_value) |
| 128 | { |
Anthony Barbier | 7ff47a3 | 2017-07-11 16:54:04 +0100 | [diff] [blame] | 129 | Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 130 | |
| 131 | // Update pointer to point to the starting point of the valid region |
| 132 | buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x; |
| 133 | |
| 134 | const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT; |
| 135 | const int gid0 = get_global_id(0); |
| 136 | const int gidH = gid0 - total_width; |
| 137 | const int gidW = gid0 - BORDER_SIZE_LEFT; |
| 138 | |
| 139 | if(gidH >= 0) |
| 140 | { |
| 141 | // Handle left border |
| 142 | for(int i = -BORDER_SIZE_LEFT; i < 0; ++i) |
| 143 | { |
| 144 | *(__global DATA_TYPE *)offset(&buf, i, gidH) = constant_value; |
| 145 | } |
| 146 | // Handle right border |
| 147 | for(int i = 0; i < BORDER_SIZE_RIGHT; ++i) |
| 148 | { |
| 149 | *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = constant_value; |
| 150 | } |
| 151 | } |
| 152 | else |
| 153 | { |
| 154 | // Handle top border |
| 155 | for(int i = -BORDER_SIZE_TOP; i < 0; ++i) |
| 156 | { |
| 157 | *(__global DATA_TYPE *)offset(&buf, gidW, i) = constant_value; |
| 158 | } |
| 159 | // Handle bottom border |
| 160 | for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i) |
| 161 | { |
| 162 | *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = constant_value; |
| 163 | } |
| 164 | } |
| 165 | } |