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#include "test_precomp.hpp"

#ifdef HAVE_OPENCL

////////////////////////////////////////////////////////
// FAST

namespace
{
    IMPLEMENT_PARAM_CLASS(FAST_Threshold, int)
    IMPLEMENT_PARAM_CLASS(FAST_NonmaxSupression, bool)
}

PARAM_TEST_CASE(FAST, FAST_Threshold, FAST_NonmaxSupression)
{
    int threshold;
    bool nonmaxSupression;

    virtual void SetUp()
    {
        threshold = GET_PARAM(0);
        nonmaxSupression = GET_PARAM(1);
    }
};

OCL_TEST_P(FAST, Accuracy)
{
    cv::Mat image = readImage("gpu/perf/aloe.png", cv::IMREAD_GRAYSCALE);
    ASSERT_FALSE(image.empty());

    cv::ocl::FAST_OCL fast(threshold);
    fast.nonmaxSupression = nonmaxSupression;

    cv::ocl::oclMat ocl_image = cv::ocl::oclMat(image);

    std::vector<cv::KeyPoint> keypoints;
    fast(ocl_image, cv::ocl::oclMat(), keypoints);

    std::vector<cv::KeyPoint> keypoints_gold;
    cv::FAST(image, keypoints_gold, threshold, nonmaxSupression);

    ASSERT_KEYPOINTS_EQ(keypoints_gold, keypoints);
}

INSTANTIATE_TEST_CASE_P(OCL_Features2D, FAST, testing::Combine(
                        testing::Values(FAST_Threshold(25), FAST_Threshold(50)),
                        testing::Values(FAST_NonmaxSupression(false), FAST_NonmaxSupression(true))));

#endif