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//                           License Agreement
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// Authors:
//  * Peter Andreas Entschev, peter@entschev.com
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//M*/

#include "perf_precomp.hpp"

using namespace perf;

/////////////////// ORB ///////////////////

typedef std::tr1::tuple<std::string, int> Image_NFeatures_t;
typedef perf::TestBaseWithParam<Image_NFeatures_t> Image_NFeatures;

PERF_TEST_P(Image_NFeatures, ORB,
            testing::Combine(testing::Values<string>("gpu/perf/aloe.png"),
                             testing::Values(4000)))
{
    declare.time(300.0);

    const Image_NFeatures_t params = GetParam();
    const std::string imgFile = std::tr1::get<0>(params);
    const int nFeatures = std::tr1::get<1>(params);

    const cv::Mat img = imread(getDataPath(imgFile), cv::IMREAD_GRAYSCALE);
    ASSERT_FALSE(img.empty());

    if (RUN_OCL_IMPL)
    {
        cv::ocl::ORB_OCL d_orb(nFeatures);

        const cv::ocl::oclMat d_img(img);
        cv::ocl::oclMat d_keypoints, d_descriptors;

        TEST_CYCLE() d_orb(d_img, cv::ocl::oclMat(), d_keypoints, d_descriptors);

        std::vector<cv::KeyPoint> ocl_keypoints;
        d_orb.downloadKeyPoints(d_keypoints, ocl_keypoints);

        cv::Mat ocl_descriptors(d_descriptors);

        ocl_keypoints.resize(10);
        ocl_descriptors = ocl_descriptors.rowRange(0, 10);

        sortKeyPoints(ocl_keypoints, ocl_descriptors);

        SANITY_CHECK_KEYPOINTS(ocl_keypoints, 1e-4);
        SANITY_CHECK(ocl_descriptors);
    }
    else if (RUN_PLAIN_IMPL)
    {
        cv::ORB orb(nFeatures);

        std::vector<cv::KeyPoint> cpu_keypoints;
        cv::Mat cpu_descriptors;

        TEST_CYCLE() orb(img, cv::noArray(), cpu_keypoints, cpu_descriptors);

        SANITY_CHECK_KEYPOINTS(cpu_keypoints);
        SANITY_CHECK(cpu_descriptors);
    }
    else
        OCL_PERF_ELSE;
}