<!-- AVATAR-FORGE · part 154 -->
utSources.indexOf( event.inputSource );

			if ( controllerIndex === - 1 ) {

				return;

			}

			const controller = controllers[ controllerIndex ];

			if ( controller !== undefined ) {

				controller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace );
				controller.dispatchEvent( { type: event.type, data: event.inputSource } );

			}

		}

		function onSessionEnd() {

			session.removeEventListener( 'select', onSessionEvent );
			session.removeEventListener( 'selectstart', onSessionEvent );
			session.removeEventListener( 'selectend', onSessionEvent );
			session.removeEventListener( 'squeeze', onSessionEvent );
			session.removeEventListener( 'squeezestart', onSessionEvent );
			session.removeEventListener( 'squeezeend', onSessionEvent );
			session.removeEventListener( 'end', onSessionEnd );
			session.removeEventListener( 'inputsourceschange', onInputSourcesChange );

			for ( let i = 0; i < controllers.length; i ++ ) {

				const inputSource = controllerInputSources[ i ];

				if ( inputSource === null ) continue;

				controllerInputSources[ i ] = null;

				controllers[ i ].disconnect( inputSource );

			}

			_currentDepthNear = null;
			_currentDepthFar = null;

			depthSensing.reset();

			// restore framebuffer/rendering state

			renderer.setRenderTarget( initialRenderTarget );

			glBaseLayer = null;
			glProjLayer = null;
			glBinding = null;
			session = null;
			newRenderTarget = null;

			//

			animation.stop();

			scope.isPresenting = false;

			renderer.setPixelRatio( currentPixelRatio );
			renderer.setSize( currentSize.width, currentSize.height, false );

			scope.dispatchEvent( { type: 'sessionend' } );

		}

		this.setFramebufferScaleFactor = function ( value ) {

			framebufferScaleFactor = value;

			if ( scope.isPresenting === true ) {

				console.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );

			}

		};

		this.setReferenceSpaceType = function ( value ) {

			referenceSpaceType = value;

			if ( scope.isPresenting === true ) {

				console.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );

			}

		};

		this.getReferenceSpace = function () {

			return customReferenceSpace || referenceSpace;

		};

		this.setReferenceSpace = function ( space ) {

			customReferenceSpace = space;

		};

		this.getBaseLayer = function () {

			return glProjLayer !== null ? glProjLayer : glBaseLayer;

		};

		this.getBinding = function () {

			return glBinding;

		};

		this.getFrame = function () {

			return xrFrame;

		};

		this.getSession = function () {

			return session;

		};

		this.setSession = async function ( value ) {

			session = value;

			if ( session !== null ) {

				initialRenderTarget = renderer.getRenderTarget();

				session.addEventListener( 'select', onSessionEvent );
				session.addEventListener( 'selectstart', onSessionEvent );
				session.addEventListener( 'selectend', onSessionEvent );
				session.addEventListener( 'squeeze', onSessionEvent );
				session.addEventListener( 'squeezestart', onSessionEvent );
				session.addEventListener( 'squeezeend', onSessionEvent );
				session.addEventListener( 'end', onSessionEnd );
				session.addEventListener( 'inputsourceschange', onInputSourcesChange );

				if ( attributes.xrCompatible !== true ) {

					await gl.makeXRCompatible();

				}

				currentPixelRatio = renderer.getPixelRatio();
				renderer.getSize( currentSize );

				if ( session.renderState.layers === undefined ) {

					const layerInit = {
						antialias: attributes.antialias,
						alpha: true,
						depth: attributes.depth,
						stencil: attributes.stencil,
						framebufferScaleFactor: framebufferScaleFactor
					};

					glBaseLayer = new XRWebGLLayer( session, gl, layerInit );

					session.updateRenderState( { baseLayer: glBaseLayer } );

					renderer.setPixelRatio( 1 );
					renderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false );

					newRenderTarget = new WebGLRenderTarget(
						glBaseLayer.framebufferWidth,
						glBaseLayer.framebufferHeight,
						{
							format: RGBAFormat,
							type: UnsignedByteType,
							colorSpace: renderer.outputColorSpace,
							stencilBuffer: attributes.stencil
						}
					);

				} else {

					let depthFormat = null;
					let depthType = null;
					let glDepthFormat = null;

					if ( attributes.depth ) {

						glDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24;
						depthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;
						depthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;

					}

					const projectionlayerInit = {
						colorFormat: gl.RGBA8,
						depthFormat: glDepthFormat,
						scaleFactor: framebufferScaleFactor
					};

					glBinding = new XRWebGLBinding( session, gl );

					glProjLayer = glBinding.createProjectionLayer( projectionlayerInit );

					session.updateRe