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// @Authors
//    Peng Xiao, pengxiao@outlook.com
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#include "perf_precomp.hpp"

using namespace perf;
using std::tr1::tuple;
using std::tr1::get;

///////////// GoodFeaturesToTrack ////////////////////////

typedef tuple<string, double> GoodFeaturesToTrackParams;
typedef TestBaseWithParam<GoodFeaturesToTrackParams> GoodFeaturesToTrackFixture;

PERF_TEST_P(GoodFeaturesToTrackFixture, GoodFeaturesToTrack,
            ::testing::Combine(::testing::Values(string("gpu/opticalflow/rubberwhale1.png"),
                                                 string("gpu/stereobm/aloe-L.png")),
                               ::testing::Range(0.0, 4.0, 3.0)))
{

    const GoodFeaturesToTrackParams param = GetParam();
    const string fileName = getDataPath(get<0>(param));
    const int maxCorners = 2000;
    const double qualityLevel = 0.01, minDistance = get<1>(param);

    Mat frame = imread(fileName, IMREAD_GRAYSCALE);
    ASSERT_TRUE(!frame.empty()) << "no input image";

    vector<Point2f> pts_gold;
    declare.in(frame);

    if (RUN_OCL_IMPL)
    {
        ocl::oclMat oclFrame(frame), pts_oclmat;
        ocl::GoodFeaturesToTrackDetector_OCL detector(maxCorners, qualityLevel, minDistance);

        OCL_TEST_CYCLE() detector(oclFrame, pts_oclmat);

        detector.downloadPoints(pts_oclmat, pts_gold);

        SANITY_CHECK(pts_gold);
    }
    else if (RUN_PLAIN_IMPL)
    {
        TEST_CYCLE() cv::goodFeaturesToTrack(frame, pts_gold,
                                             maxCorners, qualityLevel, minDistance);

        SANITY_CHECK(pts_gold);
    }
    else
        OCL_PERF_ELSE
}