text: /**
   * @author alteredq / http://alteredqualia.com/
   */
  
  THREE.RenderPass = function ( scene, camera, overrideMaterial, clearColor, clearAlpha ) {
  
  	THREE.Pass.call( this );
  
  	this.scene = scene;
  	this.camera = camera;
  
  	this.overrideMaterial = overrideMaterial;
  
  	this.clearColor = clearColor;
  	this.clearAlpha = ( clearAlpha !== undefined ) ? clearAlpha : 0;
  
  	this.clear = true;
  	this.clearDepth = false;
  	this.needsSwap = false;
  
  };
  
  THREE.RenderPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
  
  	constructor: THREE.RenderPass,
  
  	render: function ( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
  
  		var oldAutoClear = renderer.autoClear;
  		renderer.autoClear = false;
  
  		var oldClearColor, oldClearAlpha, oldOverrideMaterial;
  
  		if ( this.overrideMaterial !== undefined ) {
  
  			oldOverrideMaterial = this.scene.overrideMaterial;
  
  			this.scene.overrideMaterial = this.overrideMaterial;
  
  		}
  
  		if ( this.clearColor ) {
  
  			oldClearColor = renderer.getClearColor().getHex();
  			oldClearAlpha = renderer.getClearAlpha();
  
  			renderer.setClearColor( this.clearColor, this.clearAlpha );
  
  		}
  
  		if ( this.clearDepth ) {
  
  			renderer.clearDepth();
  
  		}
  
  		renderer.setRenderTarget( this.renderToScreen ? null : readBuffer );
  
  		// TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600
  		if ( this.clear ) renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );
  		renderer.render( this.scene, this.camera );
  
  		if ( this.clearColor ) {
  
  			renderer.setClearColor( oldClearColor, oldClearAlpha );
  
  		}
  
  		if ( this.overrideMaterial !== undefined ) {
  
  			this.scene.overrideMaterial = oldOverrideMaterial;
  
  		}
  
  		renderer.autoClear = oldAutoClear;
  
  	}
  
  } );
  