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#include "perf_precomp.hpp"

#if defined(HAVE_OPENCV_GPU) && defined(HAVE_CUDA)

#include "opencv2/ts/gpu_perf.hpp"

using namespace std;
using namespace testing;
using namespace perf;

//////////////////////////////////////////////////////////////////////
// SURF

DEF_PARAM_TEST_1(Image, string);

PERF_TEST_P(Image, GPU_SURF,
            Values<string>("gpu/perf/aloe.png"))
{
    declare.time(50.0);

    const cv::Mat img = readImage(GetParam(), cv::IMREAD_GRAYSCALE);
    ASSERT_FALSE(img.empty());

    if (PERF_RUN_GPU())
    {
        cv::gpu::SURF_GPU d_surf;

        const cv::gpu::GpuMat d_img(img);
        cv::gpu::GpuMat d_keypoints, d_descriptors;

        TEST_CYCLE() d_surf(d_img, cv::gpu::GpuMat(), d_keypoints, d_descriptors);

        std::vector<cv::KeyPoint> gpu_keypoints;
        d_surf.downloadKeypoints(d_keypoints, gpu_keypoints);

        cv::Mat gpu_descriptors(d_descriptors);

        sortKeyPoints(gpu_keypoints, gpu_descriptors);

        SANITY_CHECK_KEYPOINTS(gpu_keypoints);
        SANITY_CHECK(gpu_descriptors, 1e-3);
    }
    else
    {
        cv::SURF surf;

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

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

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

#endif