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41
42#include "../perf_precomp.hpp"
43#include "opencv2/stitching/warpers.hpp"
44#include "opencv2/ts/ocl_perf.hpp"
45
46#ifdef HAVE_OPENCL
47
48namespace cvtest {
49namespace ocl {
50
51///////////////////////// Stitching Warpers ///////////////////////////
52
53enum
54{
55    SphericalWarperType = 0,
56    CylindricalWarperType = 1,
57    PlaneWarperType = 2
58};
59
60class WarperBase
61{
62public:
63    explicit WarperBase(int type, Size srcSize)
64    {
65        Ptr<WarperCreator> creator;
66        if (type == SphericalWarperType)
67            creator = makePtr<SphericalWarper>();
68        else if (type == CylindricalWarperType)
69            creator = makePtr<CylindricalWarper>();
70        else if (type == PlaneWarperType)
71            creator = makePtr<PlaneWarper>();
72        CV_Assert(!creator.empty());
73
74        K = Mat::eye(3, 3, CV_32FC1);
75        K.at<float>(0,0) = (float)srcSize.width;
76        K.at<float>(0,2) = (float)srcSize.width/2;
77        K.at<float>(1,1) = (float)srcSize.height;
78        K.at<float>(1,2) = (float)srcSize.height/2;
79        K.at<float>(2,2) = 1.0f;
80        R = Mat::eye(3, 3, CV_32FC1);
81        float scale = (float)srcSize.width;
82
83        warper = creator->create(scale);
84    }
85
86    Rect buildMaps(Size src_size, OutputArray xmap, OutputArray ymap) const
87    {
88        return warper->buildMaps(src_size, K, R, xmap, ymap);
89    }
90
91    Point warp(InputArray src, int interp_mode, int border_mode, OutputArray dst) const
92    {
93        return warper->warp(src, K, R, interp_mode, border_mode, dst);
94    }
95
96private:
97    Ptr<detail::RotationWarper> warper;
98    Mat K, R;
99};
100
101CV_ENUM(WarperType, SphericalWarperType, CylindricalWarperType, PlaneWarperType)
102
103typedef tuple<Size, WarperType> StitchingWarpersParams;
104typedef TestBaseWithParam<StitchingWarpersParams> StitchingWarpersFixture;
105
106static void prepareWarperSrc(InputOutputArray src, Size srcSize)
107{
108    src.create(srcSize, CV_8UC1);
109    src.setTo(Scalar::all(64));
110    ellipse(src, Point(srcSize.width/2, srcSize.height/2), Size(srcSize.width/2, srcSize.height/2),
111            360, 0, 360, Scalar::all(255), 2);
112    ellipse(src, Point(srcSize.width/2, srcSize.height/2), Size(srcSize.width/3, srcSize.height/3),
113            360, 0, 360, Scalar::all(128), 2);
114    rectangle(src, Point(10, 10), Point(srcSize.width - 10, srcSize.height - 10), Scalar::all(128), 2);
115}
116
117OCL_PERF_TEST_P(StitchingWarpersFixture, StitchingWarpers_BuildMaps,
118                ::testing::Combine(OCL_TEST_SIZES, WarperType::all()))
119{
120    const StitchingWarpersParams params = GetParam();
121    const Size srcSize = get<0>(params);
122    const WarperBase warper(get<1>(params), srcSize);
123
124    UMat xmap, ymap;
125
126    OCL_TEST_CYCLE() warper.buildMaps(srcSize, xmap, ymap);
127
128    SANITY_CHECK(xmap, 1e-3);
129    SANITY_CHECK(ymap, 1e-3);
130}
131
132OCL_PERF_TEST_P(StitchingWarpersFixture, StitchingWarpers_Warp,
133                ::testing::Combine(OCL_TEST_SIZES, WarperType::all()))
134{
135    const StitchingWarpersParams params = GetParam();
136    const Size srcSize = get<0>(params);
137    const WarperBase warper(get<1>(params), srcSize);
138
139    UMat src, dst;
140    prepareWarperSrc(src, srcSize);
141    declare.in(src, WARMUP_READ);
142
143    OCL_TEST_CYCLE() warper.warp(src, INTER_LINEAR, BORDER_REPLICATE, dst);
144
145#if 0
146    namedWindow("src", WINDOW_NORMAL);
147    namedWindow("dst", WINDOW_NORMAL);
148    imshow("src", src);
149    imshow("dst", dst);
150    std::cout << dst.size() << " " << dst.size().area() << std::endl;
151    cv::waitKey();
152#endif
153
154    SANITY_CHECK(dst, 1e-5);
155}
156
157} } // namespace cvtest::ocl
158
159#endif // HAVE_OPENCL
160