Ejemplos de query_device_info en C++ (Cpp)

Ejemplo n.º 1

Archivo: cl_device.cpp Proyecto: chivakker/libxcam

bool
CLDevice::init ()
{
    cl_platform_id platform_id = NULL;
    cl_device_id   device_id = NULL;
    cl_uint num_platform = 0;
    cl_uint num_device = 0;
    CLDevieInfo device_info;

    if (clGetPlatformIDs (1, &platform_id, &num_platform) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl platform ID failed");
        return false;
    }
    XCAM_ASSERT (num_platform >= 1);

    if (clGetDeviceIDs (platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, &num_device) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl device ID failed");
        return false;
    }
    XCAM_ASSERT (num_device >= 1);

    // only query first device info
    if (!query_device_info (device_id, device_info)) {
        //continue
        XCAM_LOG_WARNING ("cl get device info failed but continue");
    } else {
        XCAM_LOG_DEBUG (
            "cl get device info,\n"
            "\tmax_compute_unit:%d"
            "\tmax_work_item_dims:%d"
            "\tmax_work_item_sizes:{%d, %d, %d}"
            "\tmax_work_group_size:%d",
            device_info.max_compute_unit,
            device_info.max_work_item_dims,
            device_info.max_work_item_sizes[0], device_info.max_work_item_sizes[1], device_info.max_work_item_sizes[2],
            device_info.max_work_group_size);
    }

    _platform_id = platform_id;
    _device_id = device_id;
    _device_info = device_info;
    _inited = true;
    return true;
}

Ejemplo n.º 2

Archivo: cl_device.cpp Proyecto: liuyinhangx/libxcam

bool
CLDevice::init ()
{
    cl_platform_id platform_id = NULL;
    cl_device_id   device_id = NULL;
    cl_uint num_platform = 0;
    cl_uint num_device = 0;
    CLDevieInfo device_info;

    if (clGetPlatformIDs (1, &platform_id, &num_platform) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl platform ID failed");
        return false;
    }
    XCAM_ASSERT (num_platform >= 1);

    if (clGetDeviceIDs (platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, &num_device) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl device ID failed");
        return false;
    }
    XCAM_ASSERT (num_device >= 1);

    // only query first device info
    if (!query_device_info (device_id, device_info)) {
        //continue
        XCAM_LOG_WARNING ("cl get device info failed but continue");
    } else {
        XCAM_LOG_INFO (
            "cl get device info,\n"
            "\tmax_compute_unit:%" PRIu32
            "\tmax_work_item_dims:%" PRIu32
            "\tmax_work_item_sizes:{%" PRIuS ", %" PRIuS ", %" PRIuS "}"
            "\tmax_work_group_size:%" PRIuS
            "\timage_pitch_alignment:%" PRIu32,
            device_info.max_compute_unit,
            device_info.max_work_item_dims,
            device_info.max_work_item_sizes[0], device_info.max_work_item_sizes[1], device_info.max_work_item_sizes[2],
            device_info.max_work_group_size,
            device_info.image_pitch_alignment);
    }

    // get platform name string length
    size_t sz = 0;
    if (clGetPlatformInfo(platform_id, CL_PLATFORM_NAME, 0, 0, &sz) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl platform name failed");
        return false;
    }

    // get platform name string
    if (sz >= XCAM_CL_MAX_STR_SIZE) {
        sz = XCAM_CL_MAX_STR_SIZE - 1;
    }
    if (clGetPlatformInfo(platform_id, CL_PLATFORM_NAME, sz, _platform_name, 0) != CL_SUCCESS)
    {
        XCAM_LOG_WARNING ("get cl platform name failed");
        return false;
    }

    _platform_id = platform_id;
    _device_id = device_id;
    _device_info = device_info;
    _platform_name[sz] = 0;
    _inited = true;
    return true;
}