opencv/modules/ocl/perf/perf_fft.cpp

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//    Fangfang Bai, fangfang@multicorewareinc.com
//    Jin Ma,       jin@multicorewareinc.com
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#include "perf_precomp.hpp"

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

///////////// dft ////////////////////////

typedef TestBaseWithParam<Size> dftFixture;

#ifdef HAVE_CLAMDFFT

typedef tuple<Size, int> DftParams;
typedef TestBaseWithParam<DftParams> DftFixture;

OCL_PERF_TEST_P(DftFixture, Dft, ::testing::Combine(testing::Values(OCL_SIZE_1, OCL_SIZE_2, OCL_SIZE_3),
                                                ::testing::Values((int)DFT_ROWS, (int)DFT_SCALE, (int)DFT_INVERSE,
                                                       (int)DFT_INVERSE | DFT_SCALE, (int)DFT_ROWS | DFT_INVERSE)))
{
    const Size_MatType_t params = GetParam();
    const Size srcSize = get<0>(params);
    const int flags = get<1>(params);

    Mat src(srcSize, CV_32FC2), dst;
    randu(src, 0.0f, 1.0f);
    declare.in(src);

    if (RUN_OCL_IMPL)
    {
        ocl::oclMat oclSrc(src), oclDst;

        OCL_TEST_CYCLE() cv::ocl::dft(oclSrc, oclDst, Size(), flags | DFT_COMPLEX_OUTPUT);

        oclDst.download(dst);

        SANITY_CHECK(dst, 1.5);
    }
    else if (RUN_PLAIN_IMPL)
    {
        TEST_CYCLE() cv::dft(src, dst, flags | DFT_COMPLEX_OUTPUT);

        SANITY_CHECK(dst);
    }
    else
        OCL_PERF_ELSE
}

#endif