laplacian5.cl
6.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
// Copyright (C) 2014, Itseez, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
#define noconvert
#ifdef ONLY_SUM_CONVERT
__kernel void sumConvert(__global const uchar * src1ptr, int src1_step, int src1_offset,
__global const uchar * src2ptr, int src2_step, int src2_offset,
__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
coeffT scale, coeffT delta)
{
int x = get_global_id(0);
int y = get_global_id(1);
if (y < dst_rows && x < dst_cols)
{
int src1_index = mad24(y, src1_step, mad24(x, (int)sizeof(srcT), src1_offset));
int src2_index = mad24(y, src2_step, mad24(x, (int)sizeof(srcT), src2_offset));
int dst_index = mad24(y, dst_step, mad24(x, (int)sizeof(dstT), dst_offset));
__global const srcT * src1 = (__global const srcT *)(src1ptr + src1_index);
__global const srcT * src2 = (__global const srcT *)(src2ptr + src2_index);
__global dstT * dst = (__global dstT *)(dstptr + dst_index);
#if wdepth <= 4
dst[0] = convertToDT( mad24((WT)(scale), convertToWT(src1[0]) + convertToWT(src2[0]), (WT)(delta)) );
#else
dst[0] = convertToDT( mad((WT)(scale), convertToWT(src1[0]) + convertToWT(src2[0]), (WT)(delta)) );
#endif
}
}
#else
///////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////Macro for border type////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
#ifdef BORDER_CONSTANT
// CCCCCC|abcdefgh|CCCCCCC
#define EXTRAPOLATE(x, maxV)
#elif defined BORDER_REPLICATE
// aaaaaa|abcdefgh|hhhhhhh
#define EXTRAPOLATE(x, maxV) \
{ \
(x) = clamp((x), 0, (maxV)-1); \
}
#elif defined BORDER_WRAP
// cdefgh|abcdefgh|abcdefg
#define EXTRAPOLATE(x, maxV) \
{ \
(x) = ( (x) + (maxV) ) % (maxV); \
}
#elif defined BORDER_REFLECT
// fedcba|abcdefgh|hgfedcb
#define EXTRAPOLATE(x, maxV) \
{ \
(x) = min(((maxV)-1)*2-(x)+1, max((x),-(x)-1) ); \
}
#elif defined BORDER_REFLECT_101
// gfedcb|abcdefgh|gfedcba
#define EXTRAPOLATE(x, maxV) \
{ \
(x) = min(((maxV)-1)*2-(x), max((x),-(x)) ); \
}
#else
#error No extrapolation method
#endif
#if CN != 3
#define loadpix(addr) *(__global const srcT *)(addr)
#define storepix(val, addr) *(__global dstT *)(addr) = val
#define SRCSIZE (int)sizeof(srcT)
#define DSTSIZE (int)sizeof(dstT)
#else
#define loadpix(addr) vload3(0, (__global const srcT1 *)(addr))
#define storepix(val, addr) vstore3(val, 0, (__global dstT1 *)(addr))
#define SRCSIZE (int)sizeof(srcT1)*3
#define DSTSIZE (int)sizeof(dstT1)*3
#endif
#define SRC(_x,_y) convertToWT(loadpix(Src + mad24(_y, src_step, SRCSIZE * _x)))
#ifdef BORDER_CONSTANT
// CCCCCC|abcdefgh|CCCCCCC
#define ELEM(_x,_y,r_edge,t_edge,const_v) (_x)<0 | (_x) >= (r_edge) | (_y)<0 | (_y) >= (t_edge) ? (const_v) : SRC((_x),(_y))
#else
#define ELEM(_x,_y,r_edge,t_edge,const_v) SRC((_x),(_y))
#endif
// horizontal and vertical filter kernels
// should be defined on host during compile time to avoid overhead
#define DIG(a) a,
__constant WT1 mat_kernelX[] = { KERNEL_MATRIX_X };
__constant WT1 mat_kernelY[] = { KERNEL_MATRIX_Y };
__kernel void laplacian(__global uchar* Src, int src_step, int srcOffsetX, int srcOffsetY, int height, int width,
__global uchar* Dst, int dst_step, int dst_offset, int dst_rows, int dst_cols,
WT1 scale, WT1 delta)
{
__local WT lsmem[BLK_Y + 2 * RADIUS][BLK_X + 2 * RADIUS];
__local WT lsmemDy1[BLK_Y][BLK_X + 2 * RADIUS];
__local WT lsmemDy2[BLK_Y][BLK_X + 2 * RADIUS];
int lix = get_local_id(0);
int liy = get_local_id(1);
int x = get_global_id(0);
int srcX = x + srcOffsetX - RADIUS;
int clocY = liy;
do
{
int yb = clocY + srcOffsetY - RADIUS;
EXTRAPOLATE(yb, (height));
int clocX = lix;
int cSrcX = srcX;
do
{
int xb = cSrcX;
EXTRAPOLATE(xb,(width));
lsmem[clocY][clocX] = ELEM(xb, yb, (width), (height), 0 );
clocX += BLK_X;
cSrcX += BLK_X;
}
while(clocX < BLK_X+(RADIUS*2));
clocY += BLK_Y;
}
while (clocY < BLK_Y+(RADIUS*2));
barrier(CLK_LOCAL_MEM_FENCE);
WT scale_v = (WT)scale;
WT delta_v = (WT)delta;
for (int y = 0; y < dst_rows; y+=BLK_Y)
{
int i, clocX = lix;
WT sum1 = (WT) 0;
WT sum2 = (WT) 0;
do
{
sum1 = (WT) 0;
sum2 = (WT) 0;
for (i=0; i<=2*RADIUS; i++)
{
sum1 = mad(lsmem[liy + i][clocX], mat_kernelY[i], sum1);
sum2 = mad(lsmem[liy + i][clocX], mat_kernelX[i], sum2);
}
lsmemDy1[liy][clocX] = sum1;
lsmemDy2[liy][clocX] = sum2;
clocX += BLK_X;
}
while(clocX < BLK_X+(RADIUS*2));
barrier(CLK_LOCAL_MEM_FENCE);
if ((x < dst_cols) && (y + liy < dst_rows))
{
sum1 = (WT) 0;
sum2 = (WT) 0;
for (i=0; i<=2*RADIUS; i++)
{
sum1 = mad(lsmemDy1[liy][lix+i], mat_kernelX[i], sum1);
sum2 = mad(lsmemDy2[liy][lix+i], mat_kernelY[i], sum2);
}
WT sum = mad(scale_v, (sum1 + sum2), delta_v);
storepix(convertToDT(sum), Dst + mad24(y + liy, dst_step, mad24(x, DSTSIZE, dst_offset)));
}
for (int i = liy * BLK_X + lix; i < (RADIUS*2) * (BLK_X+(RADIUS*2)); i += BLK_X * BLK_Y)
{
int clocX = i % (BLK_X+(RADIUS*2));
int clocY = i / (BLK_X+(RADIUS*2));
lsmem[clocY][clocX] = lsmem[clocY + BLK_Y][clocX];
}
barrier(CLK_LOCAL_MEM_FENCE);
int yb = y + liy + BLK_Y + srcOffsetY + RADIUS;
EXTRAPOLATE(yb, (height));
clocX = lix;
int cSrcX = x + srcOffsetX - RADIUS;
do
{
int xb = cSrcX;
EXTRAPOLATE(xb,(width));
lsmem[liy + 2*RADIUS][clocX] = ELEM(xb, yb, (width), (height), 0 );
clocX += BLK_X;
cSrcX += BLK_X;
}
while(clocX < BLK_X+(RADIUS*2));
barrier(CLK_LOCAL_MEM_FENCE);
}
}
#endif