WebGPURenderer: .render() support object3d as parameter (#26400)

examples/jsm/renderers/common/Background.js

@@ -22,7 +22,7 @@ class Background extends DataMap {
 	update( scene, renderList, renderContext ) {
 
 		const renderer = this.renderer;
-		const background = ( scene.isScene === true ) ? this.nodes.getBackgroundNode( scene ) || scene.background : null;
+		const background = this.nodes.getBackgroundNode( scene ) || scene.background;
 
 		let forceClear = false;
 

examples/jsm/renderers/common/Renderer.js

@@ -10,8 +10,9 @@ import RenderContexts from './RenderContexts.js';
 import Textures from './Textures.js';
 import Background from './Background.js';
 import Nodes from './nodes/Nodes.js';
-import { Frustum, Matrix4, Vector2, Vector3, Vector4, Color, DoubleSide, BackSide, FrontSide, SRGBColorSpace, NoToneMapping } from 'three';
+import { Scene, Frustum, Matrix4, Vector2, Vector3, Vector4, Color, DoubleSide, BackSide, FrontSide, SRGBColorSpace, NoToneMapping } from 'three';
 
+const _scene = new Scene();
 const _drawingBufferSize = new Vector2();
 const _screen = new Vector4();
 const _frustum = new Frustum();
@@ -181,6 +182,8 @@ class Renderer {
 
 		//
 
+		const sceneRef = ( scene.isScene === true ) ? scene : _scene;
+
 		const renderTarget = this._renderTarget;
 		const renderContext = this._renderContexts.get( scene, camera, renderTarget );
 		const activeCubeFace = this._activeCubeFace;
@@ -285,11 +288,11 @@ class Renderer {
 
 		//
 
-		this._nodes.updateScene( scene );
+		this._nodes.updateScene( sceneRef );
 
 		//
 
-		this._background.update( scene, renderList, renderContext );
+		this._background.update( sceneRef, renderList, renderContext );
 
 		//
 
@@ -301,8 +304,8 @@ class Renderer {
 		const transparentObjects = renderList.transparent;
 		const lightsNode = renderList.lightsNode;
 
-		if ( opaqueObjects.length > 0 ) this._renderObjects( opaqueObjects, camera, scene, lightsNode );
-		if ( transparentObjects.length > 0 ) this._renderObjects( transparentObjects, camera, scene, lightsNode );
+		if ( opaqueObjects.length > 0 ) this._renderObjects( opaqueObjects, camera, sceneRef, lightsNode );
+		if ( transparentObjects.length > 0 ) this._renderObjects( transparentObjects, camera, sceneRef, lightsNode );
 
 		// finish render pass