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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 
     48 namespace cvtest {
     49 namespace ocl {
     50 
     51 ///////////////////////// Stitching Warpers ///////////////////////////
     52 
     53 enum
     54 {
     55     SphericalWarperType = 0,
     56     CylindricalWarperType = 1,
     57     PlaneWarperType = 2
     58 };
     59 
     60 class WarperBase
     61 {
     62 public:
     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 
     96 private:
     97     Ptr<detail::RotationWarper> warper;
     98     Mat K, R;
     99 };
    100 
    101 CV_ENUM(WarperType, SphericalWarperType, CylindricalWarperType, PlaneWarperType)
    102 
    103 typedef tuple<Size, WarperType> StitchingWarpersParams;
    104 typedef TestBaseWithParam<StitchingWarpersParams> StitchingWarpersFixture;
    105 
    106 static 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 
    117 OCL_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 
    132 OCL_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