OpenCV/opencv/modules/calib3d/perf/opencl/perf_stereobm.cpp

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#include "../perf_precomp.hpp"
#include "opencv2/ts/ocl_perf.hpp"

#ifdef HAVE_OPENCL

namespace opencv_test {
namespace ocl {

typedef tuple<int, int> StereoBMFixture_t;
typedef TestBaseWithParam<StereoBMFixture_t> StereoBMFixture;

OCL_PERF_TEST_P(StereoBMFixture, StereoBM, ::testing::Combine(OCL_PERF_ENUM(32, 64, 128), OCL_PERF_ENUM(11,21) ) )
{
    const int n_disp = get<0>(GetParam()), winSize = get<1>(GetParam());
    UMat left, right, disp;

    imread(getDataPath("gpu/stereobm/aloe-L.png"), IMREAD_GRAYSCALE).copyTo(left);
    imread(getDataPath("gpu/stereobm/aloe-R.png"), IMREAD_GRAYSCALE).copyTo(right);
    ASSERT_FALSE(left.empty());
    ASSERT_FALSE(right.empty());

    declare.in(left, right);

    Ptr<StereoBM> bm = StereoBM::create( n_disp, winSize );
    bm->setPreFilterType(bm->PREFILTER_XSOBEL);
    bm->setTextureThreshold(0);

    OCL_TEST_CYCLE() bm->compute(left, right, disp);

    SANITY_CHECK(disp, 1e-3, ERROR_RELATIVE);
}

}//ocl
}//cvtest
#endif