javascript
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three.js
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - equirectangular</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>

		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js webgpu</a> - equirectangular panorama demo. photo by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank" rel="noopener">Jón Ragnarsson</a>.
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/",
					"three/nodes": "./jsm/nodes/Nodes.js"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';
			import { texture, equirectUV } 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';

			let camera, scene, renderer;
			let controls;

			init();

			function init() {

				if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) {

					document.body.appendChild( WebGPU.getErrorMessage() );

					throw new Error( 'No WebGPU or WebGL2 support' );

				}

				const container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
				camera.position.set( 1, 0, 0 );

				const equirectTexture = new THREE.TextureLoader().load( 'textures/2294472375_24a3b8ef46_o.jpg' );

				scene = new THREE.Scene();
				scene.backgroundNode = texture( equirectTexture, equirectUV(), 0 );

				renderer = new WebGPURenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( render );
				container.appendChild( renderer.domElement );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.autoRotate = true;
				controls.rotateSpeed = - 0.125; // negative, to track mouse pointer
				controls.autoRotateSpeed = 1.0;

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function render() {

				controls.update();

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>