text: import {
  	Color
  } from 'three';
  import { Pass } from './Pass.js';
  
  class RenderPass extends Pass {
  
  	constructor( scene, camera, overrideMaterial, clearColor, clearAlpha ) {
  
  		super();
  
  		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;
  		this._oldClearColor = new Color();
  
  	}
  
  	render( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
  
  		const oldAutoClear = renderer.autoClear;
  		renderer.autoClear = false;
  
  		let oldClearAlpha, oldOverrideMaterial;
  
  		if ( this.overrideMaterial !== undefined ) {
  
  			oldOverrideMaterial = this.scene.overrideMaterial;
  
  			this.scene.overrideMaterial = this.overrideMaterial;
  
  		}
  
  		if ( this.clearColor ) {
  
  			renderer.getClearColor( this._oldClearColor );
  			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( this._oldClearColor, oldClearAlpha );
  
  		}
  
  		if ( this.overrideMaterial !== undefined ) {
  
  			this.scene.overrideMaterial = oldOverrideMaterial;
  
  		}
  
  		renderer.autoClear = oldAutoClear;
  
  	}
  
  }
  
  export { RenderPass };
  