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//                For Open Source Computer Vision Library
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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// @Authors
//    Fangfang Bai, fangfang@multicorewareinc.com
//    Jin Ma,       jin@multicorewareinc.com
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#include "perf_precomp.hpp"

///////////// StereoMatchBM ////////////////////////

PERF_TEST(StereoMatchBMFixture, StereoMatchBM)
{
    Mat left_image = imread(getDataPath("gpu/stereobm/aloe-L.png"), cv::IMREAD_GRAYSCALE);
    Mat right_image = imread(getDataPath("gpu/stereobm/aloe-R.png"), cv::IMREAD_GRAYSCALE);

    ASSERT_TRUE(!left_image.empty()) << "no input image";
    ASSERT_TRUE(!right_image.empty()) << "no input image";
    ASSERT_TRUE(right_image.size() == left_image.size());
    ASSERT_TRUE(right_image.size() == left_image.size());

    const int n_disp = 128, winSize = 19;
    Mat disp(left_image.size(), CV_16SC1);

    declare.in(left_image, right_image).out(disp);

    if (RUN_OCL_IMPL)
    {
        ocl::oclMat oclLeft(left_image), oclRight(right_image),
                oclDisp(left_image.size(), CV_16SC1);
        ocl::StereoBM_OCL oclBM(0, n_disp, winSize);

        OCL_TEST_CYCLE() oclBM(oclLeft, oclRight, oclDisp);
    }
    else if (RUN_PLAIN_IMPL)
    {
        Ptr<StereoBM> bm = createStereoBM(n_disp, winSize);

        TEST_CYCLE() bm->compute(left_image, right_image, disp);
    }
    else
        OCL_PERF_ELSE

    int value = 0;
    SANITY_CHECK(value);
}