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26 #if defined(FIXED_POINT_POSITION)
27 #include "fixed_point.h"
28 #endif /* FIXED_POINT_POSITION */
30 /** Fill N pixel of the padding edge of a single channel image by replicating the closest valid pixel.
32 * @attention The DATA_TYPE needs to be passed at the compile time.
33 * e.g. -DDATA_TYPE=int
35 * @attention The border size for top, bottom, left, right needs to be passed at the compile time.
36 * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2
38 * @param[in,out] buf_ptr Pointer to the source image. Supported data types: U8/U16/S16/U32/S32/F16/F32
39 * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes)
40 * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes)
41 * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes)
42 * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes)
43 * @param[in] buf_stride_z Stride between images if batching images (in bytes)
44 * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes)
45 * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image
46 * @param[in] width Width of the valid region of the image
47 * @param[in] height Height of the valid region of the image
48 * @param[in] start_pos XY coordinate indicating the start point of the valid region
50 __kernel void fill_image_borders_replicate(
51 TENSOR3D_DECLARATION(buf),
56 Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf);
58 // Update pointer to point to the starting point of the valid region
59 buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x;
61 const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;
62 const int gid0 = get_global_id(0);
63 const int gidH = gid0 - total_width;
64 const int gidW = gid0 - BORDER_SIZE_LEFT;
69 DATA_TYPE left_val = *(__global DATA_TYPE *)offset(&buf, 0, gidH);
70 for(int i = -BORDER_SIZE_LEFT; i < 0; ++i)
72 *(__global DATA_TYPE *)offset(&buf, i, gidH) = left_val;
74 // Handle right border
75 DATA_TYPE right_val = *(__global DATA_TYPE *)offset(&buf, width - 1, gidH);
76 for(int i = 0; i < BORDER_SIZE_RIGHT; ++i)
78 *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = right_val;
83 // Get value for corners
85 if(gidW < 0 || gidW > (width - 1))
87 val_idx = gidW < 0 ? 0 : width - 1;
91 DATA_TYPE top_val = *(__global DATA_TYPE *)offset(&buf, val_idx, 0);
92 for(int i = -BORDER_SIZE_TOP; i < 0; ++i)
94 *(__global DATA_TYPE *)offset(&buf, gidW, i) = top_val;
96 // Handle bottom border
97 DATA_TYPE bottom_val = *(__global DATA_TYPE *)offset(&buf, val_idx, height - 1);
98 for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i)
100 *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = bottom_val;
105 /** Fill N pixels of the padding edge of a single channel image with a constant value.
107 * @attention The DATA_TYPE needs to be passed at the compile time.
108 * e.g. -DDATA_TYPE=int
110 * @attention The border size for top, bottom, left, right needs to be passed at the compile time.
111 * e.g. --DBORDER_SIZE_TOP=0 -DBORDER_SIZE_BOTTOM=2 -DBORDER_SIZE_LEFT=0 -DBORDER_SIZE_RIGHT=2
113 * @param[out] buf_ptr Pointer to the source image. Supported data types: U8/U16/S16/U32/S32/F16/F32
114 * @param[in] buf_stride_x Stride of the source image in X dimension (in bytes)
115 * @param[in] buf_step_x buf_stride_x * number of elements along X processed per workitem(in bytes)
116 * @param[in] buf_stride_y Stride of the source image in Y dimension (in bytes)
117 * @param[in] buf_step_y buf_stride_y * number of elements along Y processed per workitem(in bytes)
118 * @param[in] buf_stride_z Stride between images if batching images (in bytes)
119 * @param[in] buf_step_z buf_stride_z * number of elements along Z processed per workitem(in bytes)
120 * @param[in] buf_offset_first_element_in_bytes The offset of the first element in the source image
121 * @param[in] width Width of the valid region of the image
122 * @param[in] height Height of the valid region of the image
123 * @param[in] start_pos XY coordinate indicating the start point of the valid region
124 * @param[in] constant_value Constant value to use to fill the edges
126 __kernel void fill_image_borders_constant(
127 TENSOR3D_DECLARATION(buf),
131 DATA_TYPE constant_value)
133 Image buf = CONVERT_TENSOR3D_TO_IMAGE_STRUCT_NO_STEP(buf);
135 // Update pointer to point to the starting point of the valid region
136 buf.ptr += start_pos.y * buf.stride_y + start_pos.x * buf.stride_x;
138 const int total_width = BORDER_SIZE_LEFT + width + BORDER_SIZE_RIGHT;
139 const int gid0 = get_global_id(0);
140 const int gidH = gid0 - total_width;
141 const int gidW = gid0 - BORDER_SIZE_LEFT;
145 // Handle left border
146 for(int i = -BORDER_SIZE_LEFT; i < 0; ++i)
148 *(__global DATA_TYPE *)offset(&buf, i, gidH) = constant_value;
150 // Handle right border
151 for(int i = 0; i < BORDER_SIZE_RIGHT; ++i)
153 *(__global DATA_TYPE *)offset(&buf, width + i, gidH) = constant_value;
159 for(int i = -BORDER_SIZE_TOP; i < 0; ++i)
161 *(__global DATA_TYPE *)offset(&buf, gidW, i) = constant_value;
163 // Handle bottom border
164 for(int i = 0; i < BORDER_SIZE_BOTTOM; ++i)
166 *(__global DATA_TYPE *)offset(&buf, gidW, height + i) = constant_value;