[pull] dev from mrdoob:dev

src/renderers/common/Backend.js

@@ -814,7 +814,19 @@ class Backend {
 	 *
 	 * @abstract
 	 */
-	dispose() { }
+	async dispose() {
+
+		for ( const queryPool of Object.values( this.timestampQueryPool ) ) {
+
+			if ( queryPool !== null ) {
+
+				await queryPool.dispose();
+
+			}
+
+		}
+
+	}
 
 }
 

src/renderers/common/Renderer.js

@@ -2696,7 +2696,7 @@ class Renderer {
 	 * Frees all internal resources of the renderer. Call this method if the renderer
 	 * is no longer in use by your app.
 	 */
-	dispose() {
+	async dispose() {
 
 		if ( this._initialized === true ) {
 
@@ -2718,13 +2718,7 @@ class Renderer {
 
 			}
 
-			Object.values( this.backend.timestampQueryPool ).forEach( queryPool => {
-
-				if ( queryPool !== null ) queryPool.dispose();
-
-			} );
-
-			this.backend.dispose();
+			await this.backend.dispose();
 
 		}
 

src/renderers/webgl-fallback/WebGLBackend.js

@@ -2929,7 +2929,9 @@ class WebGLBackend extends Backend {
 	/**
 	 * Frees internal resources.
 	 */
-	dispose() {
+	async dispose() {
+
+		await super.dispose();
 
 		if ( this.textureUtils !== null ) this.textureUtils.dispose();
 

src/renderers/webgpu/WebGPUBackend.js

@@ -3245,7 +3245,9 @@ class WebGPUBackend extends Backend {
 
 	}
 
-	dispose() {
+	async dispose() {
+
+		await super.dispose();
 
 		this.bindingUtils.dispose();
 		this.textureUtils.dispose();
@@ -3262,16 +3264,6 @@ class WebGPUBackend extends Backend {
 
 		}
 
-		if ( this.timestampQueryPool ) {
-
-			for ( const queryPool of Object.values( this.timestampQueryPool ) ) {
-
-				if ( queryPool !== null ) queryPool.dispose();
-
-			}
-
-		}
-
 		if ( this.parameters.device === undefined && this.device !== null ) {
 
 			this.device.destroy();