constructor( scene, camera, clearColor, clearAlpha ) {

		super( scene, camera, clearColor, clearAlpha );

		/**
		 * Overwritten and set to 0 by default.
		 *
		 * @type {number}
		 * @default 0
		 */
		this.sampleLevel = 0;

		/**
		 * Whether to accumulate frames or not. This enables
		 * the TAA.
		 *
		 * @type {boolean}
		 * @default false
		 */
		this.accumulate = false;

		/**
		 * The accumulation index.
		 *
		 * @type {number}
		 * @default -1
		 */
		this.accumulateIndex = - 1;

		// internals

		this._sampleRenderTarget = null;
		this._holdRenderTarget = null;

	}
Constructs a new TAA render pass.

@param {Scene} scene - The scene to render.
@param {Camera} camera - The camera.
@param {?(number|Color|string)} [clearColor=0x000000] - The clear color of the render pass.
@param {?number} [clearAlpha=0] - The clear alpha of the render pass.