getOutputNode( outputTarget ) {

		const renderer = this.renderer;
		const cacheKey = this.getOutputCacheKey();

		const output = outputTarget.isArrayTexture ?
			texture3D( outputTarget, vec3( screenUV, builtin( 'gl_ViewID_OVR' ) ) ).renderOutput( renderer.toneMapping, renderer.currentColorSpace ) :
			texture( outputTarget, screenUV ).renderOutput( renderer.toneMapping, renderer.currentColorSpace );

		_outputNodeMap.set( outputTarget, cacheKey );

		return output;

	}
Returns a node that represents the output configuration (tone mapping and
color space) for the current target.

@param {Texture} outputTarget - The output target.
@return {Node} The output node.