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
};

using namespace cv::ocl;

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 | -1                 | set platform id }"
        "{ d | device   | 0                  | set device id }";

    if (getenv("OPENCV_OPENCL_DEVICE") == NULL) // TODO Remove this after buildbot updates
    {
        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");
        int pid = cmd.get<int>("platform");
        int device = cmd.get<int>("device");

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

        cv::ocl::PlatformsInfo platformsInfo;
        cv::ocl::getOpenCLPlatforms(platformsInfo);
        if (pid >= (int)platformsInfo.size())
        {
            std::cout << "platform is invalid\n";
            return 1;
        }

        cv::ocl::DevicesInfo devicesInfo;
        int devnums = cv::ocl::getOpenCLDevices(devicesInfo, flag, (pid < 0) ? NULL : platformsInfo[pid]);
        if (device < 0 || device >= devnums)
        {
            std::cout << "device/platform invalid\n";
            return 1;
        }

        cv::ocl::setDevice(devicesInfo[device]);
    }

    const DeviceInfo& deviceInfo = cv::ocl::Context::getContext()->getDeviceInfo();

    cout << "Device type: " << (deviceInfo.deviceType == CVCL_DEVICE_TYPE_CPU ?
                "CPU" :
                (deviceInfo.deviceType == CVCL_DEVICE_TYPE_GPU ? "GPU" : "unknown")) << endl
         << "Platform name: " << deviceInfo.platform->platformName << endl
         << "Device name: " << deviceInfo.deviceName << endl;

    CV_PERF_TEST_MAIN_INTERNALS(ocl, impls)
}