opencv/modules/ocl/perf/main.cpp

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#include "perf_precomp.hpp"

const char * impls[] =
{
    IMPL_OCL,
    IMPL_PLAIN,
#ifdef HAVE_OPENCV_GPU
    IMPL_GPU
#endif
};

int main(int argc, char ** argv)
{
    const char * keys =
        "{ h | help     | false              | print help message }"
        "{ t | type     | gpu                | set device type:cpu or gpu}"
        "{ p | platform | 0                  | set platform id }"
        "{ d | device   | 0                  | set device id }";

    CommandLineParser cmd(argc, argv, keys);
    if (cmd.get<bool>("help"))
    {
        cout << "Available options besides google test option:" << endl;
        cmd.printParams();
        return 0;
    }

    string type = cmd.get<string>("type");
    unsigned int pid = cmd.get<unsigned int>("platform");
    int device = cmd.get<int>("device");

    int flag = type == "cpu" ? cv::ocl::CVCL_DEVICE_TYPE_CPU :
                               cv::ocl::CVCL_DEVICE_TYPE_GPU;

    std::vector<cv::ocl::Info> oclinfo;
    int devnums = cv::ocl::getDevice(oclinfo, flag);
    if (devnums <= device || device < 0)
    {
        std::cout << "device invalid\n";
        return -1;
    }

    if (pid >= oclinfo.size())
    {
        std::cout << "platform invalid\n";
        return -1;
    }

    cv::ocl::setDevice(oclinfo[pid], device);
    cv::ocl::setBinaryDiskCache(cv::ocl::CACHE_UPDATE);

    CV_PERF_TEST_MAIN_INTERNALS(ocl, impls)
}