function gotVRDisplays( displays ) {

		vrDisplays = displays;

		if ( displays.length > 0 ) {

			vrDisplay = displays[ 0 ];

		} else {

			if ( onError ) onError( 'VR input not available.' );

		}

	}
@author dmarcos / https://github.com/dmarcos
@author mrdoob / http://mrdoob.com