| /* |
| * Copyright (c) 2016, 2017 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 "helpers.h" |
| |
| #if defined(FIXED_POINT_POSITION) |
| #include "fixed_point.h" |
| #endif /* FIXED_POINT_POSITION */ |
| |
| /** Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel. |
| * |
| * @attention The DATA_TYPE needs to be passed at the compile time. |
| * e.g. -DDATA_TYPE=int |
| * |
| * @attention The border size for top, bottom, left, right needs to be passed at the compile time. |
| * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2 |
| * |
| * @param[in,out] buf_ptr Pointer to the source image. Supported data types: U8, U16, S16, U32, S32, F32 |
| * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] buf_stride_z Stride between images if batching images (in bytes) |
| * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[in] width Width of the valid region of the image |
| * @param[in] height Height of the valid region of the image |
| * @param[in] start_pos XY coordinate indicating the start point of the valid region |
| */ |
| __kernel void fill_image_borders_replicate( |
| TENSOR3D_DECLARATION(buf), |
| uint width, |
| uint height, |
| int2 start_pos) |
| { |
| Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf); |
| |
| // Update pointer to point to the starting point of the valid region |
| buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x; |
| |
| const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT; |
| const int gid0 = get_global_id(0); |
| const int gidH = gid0 - total_width; |
| const int gidW = gid0 - BORDER_SIZE_LEFT; |
| |
| if(gidH >= 0) |
| { |
| // Handle left border |
| DATA_TYPE left_val = *(__global DATA_TYPE *)offset(&buf, 0, gidH); |
| for(int i = -BORDER_SIZE_LEFT; i < 0; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, i, gidH) = left_val; |
| } |
| // Handle right border |
| DATA_TYPE right_val = *(__global DATA_TYPE *)offset(&buf, width - 1, gidH); |
| for(int i = 0; i < BORDER_SIZE_RIGHT; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = right_val; |
| } |
| } |
| else |
| { |
| // Get value for corners |
| int val_idx = gidW; |
| if(gidW < 0 || gidW > (width - 1)) |
| { |
| val_idx = gidW < 0 ? 0 : width - 1; |
| } |
| |
| // Handle top border |
| DATA_TYPE top_val = *(__global DATA_TYPE *)offset(&buf, val_idx, 0); |
| for(int i = -BORDER_SIZE_TOP; i < 0; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, gidW, i) = top_val; |
| } |
| // Handle bottom border |
| DATA_TYPE bottom_val = *(__global DATA_TYPE *)offset(&buf, val_idx, height - 1); |
| for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = bottom_val; |
| } |
| } |
| } |
| |
| /** Fill N pixels of the padding edge of a single channel image with a constant value. |
| * |
| * @attention The DATA_TYPE needs to be passed at the compile time. |
| * e.g. -DDATA_TYPE=int |
| * |
| * @attention The border size for top, bottom, left, right needs to be passed at the compile time. |
| * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2 |
| * |
| * @param[out] buf_ptr Pointer to the source image. Supported data types: U8, U16, S16, U32, S32, F32 |
| * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] buf_stride_z Stride between images if batching images (in bytes) |
| * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[in] width Width of the valid region of the image |
| * @param[in] height Height of the valid region of the image |
| * @param[in] start_pos XY coordinate indicating the start point of the valid region |
| * @param[in] constant_value Constant value to use to fill the edges |
| */ |
| __kernel void fill_image_borders_constant( |
| TENSOR3D_DECLARATION(buf), |
| uint width, |
| uint height, |
| int2 start_pos, |
| DATA_TYPE constant_value) |
| { |
| Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf); |
| |
| // Update pointer to point to the starting point of the valid region |
| buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x; |
| |
| const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT; |
| const int gid0 = get_global_id(0); |
| const int gidH = gid0 - total_width; |
| const int gidW = gid0 - BORDER_SIZE_LEFT; |
| |
| if(gidH >= 0) |
| { |
| // Handle left border |
| for(int i = -BORDER_SIZE_LEFT; i < 0; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, i, gidH) = constant_value; |
| } |
| // Handle right border |
| for(int i = 0; i < BORDER_SIZE_RIGHT; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = constant_value; |
| } |
| } |
| else |
| { |
| // Handle top border |
| for(int i = -BORDER_SIZE_TOP; i < 0; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, gidW, i) = constant_value; |
| } |
| // Handle bottom border |
| for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i) |
| { |
| *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = constant_value; |
| } |
| } |
| } |
