<!-- NEW3 — TEST 3 · THE RIVER'S JOURNEY · part 428 -->
 extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' );

				currentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, {
					generateMipmaps: true,
					type: hasHalfFloatSupport ? HalfFloatType : UnsignedByteType,
					minFilter: LinearMipmapLinearFilter,
					samples: Math.max( 4, capabilities.samples ), // to avoid feedback loops, the transmission render target requires a resolve, see #26177
					stencilBuffer: stencil,
					resolveDepthBuffer: false,
					resolveStencilBuffer: false,
					storeMultisampledDepthBuffer: false,
					storeMultisampledStencilBuffer: false,
					colorSpace: ColorManagement.workingColorSpace,
				} );

				// debug

				/*
				const geometry = new PlaneGeometry();
				const material = new MeshBasicMaterial( { map: _transmissionRenderTarget.texture } );

				const mesh = new Mesh( geometry, material );
				scene.add( mesh );
				*/

			}

			const transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ];

			const activeViewport = camera.viewport || _currentViewport;
			transmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale );

			//

			const currentRenderTarget = _this.getRenderTarget();
			const currentActiveCubeFace = _this.getActiveCubeFace();
			const currentActiveMipmapLevel = _this.getActiveMipmapLevel();

			_this.setRenderTarget( transmissionRenderTarget );

			_this.getClearColor( _currentClearColor );
			_currentClearAlpha = _this.getClearAlpha();
			if ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 );

			_this.clear();

			if ( _renderBackground ) background.render( scene );

			// Turn off the features which can affect the frag color for opaque objects pass.
			// Otherwise they are applied twice in opaque objects pass and transmission objects pass.
			const currentToneMapping = _this.toneMapping;
			_this.toneMapping = NoToneMapping;

			// Remove viewport from camera to avoid nested render calls resetting viewport to it (e.g Reflector).
			// Transmission render pass requires viewport to match the transmissionRenderTarget.
			const currentCameraViewport = camera.viewport;
			if ( camera.viewport !== undefined ) camera.viewport = undefined;

			currentRenderState.setupLightsView( camera );

			if ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );

			renderObjects( opaqueObjects, scene, camera );

			textures.updateMultisampleRenderTarget( transmissionRenderTarget );
			textures.updateRenderTargetMipmap( transmissionRenderTarget );

			if ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { // see #28131

				let renderTargetNeedsUpdate = false;

				for ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) {

					const renderItem = transmissiveObjects[ i ];

					const { object, geometry, material, group } = renderItem;

					if ( material.side === DoubleSide && object.layers.test( camera.layers ) ) {

						const currentSide = material.side;

						material.side = BackSide;
						material.needsUpdate = true;

						renderObject( object, scene, camera, geometry, material, group );

						material.side = currentSide;
						material.needsUpdate = true;

						renderTargetNeedsUpdate = true;

					}

				}

				if ( renderTargetNeedsUpdate === true ) {

					textures.updateMultisampleRenderTarget( transmissionRenderTarget );
					textures.updateRenderTargetMipmap( transmissionRenderTarget );

				}

			}

			_this.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );

			_this.setClearColor( _currentClearColor, _currentClearAlpha );

			if ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport;

			_this.toneMapping = currentToneMapping;

		}

		function renderObjects( renderList, scene, camera ) {

			const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;

			for ( let i = 0, l = renderList.length; i < l; i ++ ) {

				const renderItem = renderList[ i ];

				const { object, geometry, group } = renderItem;
				let material = renderItem.material;

				if ( material.allowOverride === true && overrideMaterial !== null ) {

					material = overrideMaterial;

				}

				if ( object.layers.test( camera.layers ) ) {

					renderObject( object, scene, camera, geometry, material, group );

				}

			}

		}

		function renderObject( object, scene, camera, geometry, material, group ) {

			if ( _nodesHandler !== null && material.isNodeMaterial ) _nodesHandler.setObject( object, material );
			object.onBeforeRender( _this, scene, camera, geometry, material, group );

			object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );
			object.normalMatrix.getNormalMatrix( object.modelViewMatrix );

			material.onBeforeRender( _this, scene,