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
|
/*
* Copyright 2011-2014 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
#ifndef __UTIL_DISTORT_H__
#define __UTIL_DISTORT_H__
#ifdef WITH_CYCLES_DISTORTION
# include "libmv/simple_pipeline/distortion_models.h"
#endif
CCL_NAMESPACE_BEGIN
ccl_device void util_apply_polynomial_distortion(const float2 image,
const float focal_length,
const float2 principal_point,
const float k1,
const float k2,
const float k3,
float2 *result)
{
#if defined(WITH_CYCLES_DISTORTION) && !defined(__KERNEL_GPU__)
double normalized_x = (image.x - principal_point.x) / focal_length;
double normalized_y = (image.y - principal_point.y) / focal_length;
double image_x, image_y;
libmv::InvertPolynomialDistortionModel(focal_length, focal_length,
normalized_x, normalized_y,
k1, k2, k3,
0.0, 0.0,
image.x, image.y,
&image_x, &image_y);
result->x = image_x;
result->y = image_y;
#else
*result = image;
#endif
}
ccl_device void util_invert_polynomial_distortion(const float2 image,
const float focal_length,
const float2 principal_point,
const float k1,
const float k2,
const float k3,
float2 *result)
{
#if defined(WITH_CYCLES_DISTORTION) && !defined(__KERNEL_GPU__)
double normalized_x, normalized_y;
libmv::InvertPolynomialDistortionModel(focal_length, focal_length,
principal_point.x, principal_point.y,
k1, k2, k3,
0.0, 0.0,
image.x, image.y,
&normalized_x,
&normalized_y);
result->x = normalized_x * focal_length + principal_point.x;
result->y = normalized_y * focal_length + principal_point.y;
#else
*result = image;
#endif
}
CCL_NAMESPACE_END
#endif /* __UTIL_DISTORT_H__ */
|
