Method constructor

src/core/EffectComposer.js:44–138

* Constructs a new effect composer. * * @param {WebGLRenderer} renderer - The renderer that should be used. * @param {Object} [options] - The options. * @param {Boolean} [options.depthBuffer=true] - Whether the main render targets should have a depth buffer. * @param {Boolean} [options.ste

(renderer = null, {
		depthBuffer = true,
		stencilBuffer = false,
		multisampling = 0,
		frameBufferType
	} = {})

	 */

	constructor(renderer = null, {
		depthBuffer = true,
		stencilBuffer = false,
		multisampling = 0,
		frameBufferType
	} = {}) {

		/**
		 * The renderer.
		 *
		 * @type {WebGLRenderer}
		 * @private
		 */

		this.renderer = null;

		/**
		 * The input buffer.
		 *
		 * Two identical buffers are used to avoid reading from and writing to the same render target.
		 *
		 * @type {WebGLRenderTarget}
		 * @private
		 */

		this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);

		/**
		 * The output buffer.
		 *
		 * @type {WebGLRenderTarget}
		 * @private
		 */

		this.outputBuffer = this.inputBuffer.clone();

		/**
		 * A copy pass used for copying masked scenes.
		 *
		 * @type {CopyPass}
		 * @private
		 */

		this.copyPass = new CopyPass();

		/**
		 * A depth texture.
		 *
		 * @type {DepthTexture}
		 * @private
		 */

		this.depthTexture = null;

		/**
		 * A render target that holds a stable copy of the scene depth.
		 *
		 * The scene depth needs to be copied to avoid feedback loops and undefined behavior that can happen when the same