update examples

Author: aardgoose

examples/webgpu_depth_texture.html

@@ -29,6 +29,8 @@
 			import { texture, MeshBasicNodeMaterial } from 'three/nodes';
 
 			import WebGPU from 'three/addons/capabilities/WebGPU.js';
+			import WebGL from 'three/addons/capabilities/WebGL.js';
+
 			import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
 
 			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
@@ -43,11 +45,11 @@
 
 			function init() {
 
-				if ( WebGPU.isAvailable() === false ) {
+				if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) {
 
 					document.body.appendChild( WebGPU.getErrorMessage() );
 
-					throw new Error( 'No WebGPU support' );
+					throw new Error( 'No WebGPU or WebGL2 support' );
 
 				}
 

examples/webgpu_rtt.html

@@ -29,6 +29,8 @@
 			import { texture, uniform, vec2, MeshBasicNodeMaterial } from 'three/nodes';
 
 			import WebGPU from 'three/addons/capabilities/WebGPU.js';
+			import WebGL from 'three/addons/capabilities/WebGL.js';
+
 			import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
 
 			let camera, scene, renderer;
@@ -44,11 +46,11 @@
 
 			function init() {
 
-				if ( WebGPU.isAvailable() === false ) {
+				if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) {
 
 					document.body.appendChild( WebGPU.getErrorMessage() );
 
-					throw new Error( 'No WebGPU support' );
+					throw new Error( 'No WebGPU or WebGL2 support' );
 
 				}