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index.html
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<!doctype html>
<html>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1, user-scalable=no'>
<meta name='mobile-web-app-capable' content='yes'>
<meta name='apple-mobile-web-app-capable' content='yes'>
<link rel="icon" type="image/png" sizes="48x48" href="favicon-48.png">
<link rel="icon" type="image/png" sizes="32x32" href="favicon-32.png">
<link rel="icon" type="image/png" sizes="16x16" href="favicon-16.png">
<meta itemprop="image" content="thumb.png">
<link rel="author" href="./humans.txt">
<title>Web Graphics API Tester</title>
<style>
html, body {
height: 100%;
margin: 0;
background-color: #000000;
}
canvas {
position: absolute;
z-index: 0;
height: 100%;
width: 100%;
left: 0;
top: 0;
right: 0;
bottom: 0;
margin: 0;
touch-action: none;
}
select {
position: absolute;
z-index: 1;
top: 1em;
right: 1em;
}
</style>
</head>
<body>
<select id='api'>
<option value=''>- Choose an API -</option>
<option value='webgl'>WebGL</option>
<option value='webgl2'>WebGL 2.0</option>
<option value='webgpu' selected>WebGPU</option>
</select>
<script type="module">
import Stats from './js/third-party/stats.module.js';
import { Gltf2Loader } from './js/mini-gltf2.js';
import { FlyingCamera } from './js/camera.js';
import { WebGLRenderer } from './js/webgl-renderer/webgl-renderer.js';
import { WebGL2Renderer } from './js/webgl2-renderer/webgl2-renderer.js';
import { WebGPURenderer } from './js/webgpu-renderer/webgpu-renderer.js';
let renderer = null;
let gltf = null;
const stats = new Stats();
document.body.appendChild(stats.dom);
const camera = new FlyingCamera();
camera.position = [0, 1.5, 0];
camera.rotateView(-Math.PI * 0.5, 0);
const apiSelect = document.getElementById('api');
async function onApiChange() {
let prevCanvas;
if (renderer) {
prevCanvas = renderer.canvas;
renderer.stop();
camera.element = null;
}
switch(apiSelect.value) {
case 'webgl':
renderer = new WebGLRenderer();
break;
case 'webgl2':
renderer = new WebGL2Renderer();
break;
case 'webgpu':
renderer = new WebGPURenderer();
break;
default:
renderer = null;
if (prevCanvas) {
document.body.removeChild(prevCanvas);
}
break;
}
if (renderer) {
try {
await renderer.init();
renderer.setStats(stats);
if (gltf) {
await renderer.setGltf(gltf);
}
renderer.camera = camera;
if (prevCanvas) {
document.body.removeChild(prevCanvas);
}
document.body.appendChild(renderer.canvas);
camera.element = renderer.canvas;
renderer.start();
} catch (err) {
console.error('renderer init failed', err);
renderer.stop();
renderer = null;
}
}
}
apiSelect.addEventListener('change', onApiChange);
onApiChange();
async function initGltf() {
const gltfLoader = new Gltf2Loader();
gltf = await gltfLoader.loadFromUrl('./media/models/sponza/Sponza.gltf');
if (renderer) {
renderer.setGltf(gltf);
}
}
initGltf();
</script>
</body>
</html>