constructor( passNode, textureName, previousTexture = false ) {

		// null is passed to the super call since this class does not
		// use an external texture for rendering pass data into. Instead
		// the texture is managed by the pass node itself

		super( passNode, null );

		/**
		 * The output texture name.
		 *
		 * @type {string}
		 */
		this.textureName = textureName;

		/**
		 * Whether previous frame data should be used or not.
		 *
		 * @type {boolean}
		 */
		this.previousTexture = previousTexture;

	}
Constructs a new pass texture node.

@param {PassNode} passNode - The pass node.
@param {string} textureName - The output texture name.
@param {boolean} [previousTexture=false] - Whether previous frame data should be used or not.