int initFullScreen(unsigned int * width,unsigned int * height)
{
    SDL_Rect ** modes;

    modes = SDL_ListModes(NULL,SDL_FULLSCREEN|SDL_OPENGL);
    if ((modes == (SDL_Rect **)0)||(modes == (SDL_Rect **)-1))
        return -1;

    if (width != NULL)
        *width = modes[0]->w;
    if (height != NULL)
        *height = modes[0]->h;
    if (SDL_SetVideoMode(modes[0]->w,
                         modes[0]->h,
                         SDL_GetVideoInfo()->vfmt->BitsPerPixel,
                         SDL_FULLSCREEN|SDL_OPENGL) == NULL)
        return -1;
    else
        return 0;
}