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
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
// Niko Li, newlife20080214@gmail.com
// Rock Li, Rock.li@amd.com
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors as is and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//
#ifdef DOUBLE_SUPPORT
#ifdef cl_amd_fp64
#pragma OPENCL EXTENSION cl_amd_fp64:enable
#elif defined (cl_khr_fp64)
#pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif
#endif
__kernel void LUT_C1( __global const srcT * src, __global const dstT *lut,
__global dstT *dst,
int cols1, int rows,
int src_offset1,
int lut_offset1,
int dst_offset1,
int src_step1, int dst_step1)
{
int x1 = get_global_id(0);
int y = get_global_id(1);
if (x1 < cols1 && y < rows)
{
int src_index = mad24(y, src_step1, src_offset1 + x1);
int dst_index = mad24(y, dst_step1, dst_offset1 + x1);
dst[dst_index] = lut[lut_offset1 + src[src_index]];
}
}
__kernel void LUT_C2( __global const srcT * src, __global const dstT *lut,
__global dstT *dst,
int cols1, int rows,
int src_offset1,
int lut_offset1,
int dst_offset1,
int src_step1, int dst_step1)
{
int x1 = get_global_id(0) << 1;
int y = get_global_id(1);
if (x1 < cols1 && y < rows)
{
int src_index = mad24(y, src_step1, src_offset1 + x1);
int dst_index = mad24(y, dst_step1, dst_offset1 + x1);
dst[dst_index ] = lut[lut_offset1 + (src[src_index ] << 1) ];
dst[dst_index + 1] = x1 + 1 < cols1 ? lut[lut_offset1 + (src[src_index + 1] << 1) + 1] : dst[dst_index + 1];
}
}
__kernel void LUT_C4( __global const srcT * src, __global const dstT *lut,
__global dstT *dst,
int cols1, int rows,
int src_offset1,
int lut_offset1,
int dst_offset1,
int src_step1, int dst_step1)
{
int x1 = get_global_id(0) << 2;
int y = get_global_id(1);
if (x1 < cols1 && y < rows)
{
int src_index = mad24(y, src_step1, src_offset1 + x1);
int dst_index = mad24(y, dst_step1, dst_offset1 + x1);
dst[dst_index ] = lut[lut_offset1 + (src[src_index ] << 2) ];
dst[dst_index + 1] = x1 + 1 < cols1 ? lut[lut_offset1 + (src[src_index + 1] << 2) + 1] : dst[dst_index + 1];
dst[dst_index + 2] = x1 + 2 < cols1 ? lut[lut_offset1 + (src[src_index + 2] << 2) + 2] : dst[dst_index + 2];
dst[dst_index + 3] = x1 + 3 < cols1 ? lut[lut_offset1 + (src[src_index + 3] << 2) + 3] : dst[dst_index + 3];
}
}