setSize( width, height ) {

		this._width = width;
		this._height = height;

		const effectiveWidth = this._width * this._pixelRatio;
		const effectiveHeight = this._height * this._pixelRatio;

		this.renderTarget1.setSize( effectiveWidth, effectiveHeight );
		this.renderTarget2.setSize( effectiveWidth, effectiveHeight );

		for ( let i = 0; i < this.passes.length; i ++ ) {

			this.passes[ i ].setSize( effectiveWidth, effectiveHeight );

		}

	}
Resizes the internal read and write buffers as well as all passes. Similar to {@link WebGLRenderer#setSize},
this method honors the current pixel ration.

@param {number} width - The width in logical pixels.
@param {number} height - The height in logical pixels.