{0, "vr", OPTCFG_VR, "enable VR mode"},
{'f', "fullscreen", OPTCFG_FULLSCREEN, "run in fullscreen mode"},
{'w', "windowed", OPTCFG_WINDOWED, "run in windowed mode"},
{0, "vr", OPTCFG_VR, "enable VR mode"},
{'f', "fullscreen", OPTCFG_FULLSCREEN, "run in fullscreen mode"},
{'w', "windowed", OPTCFG_WINDOWED, "run in windowed mode"},