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test.html
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test.html
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<<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]> <html class="no-js"> <!--<![endif]-->
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title></title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="">
</head>
<body>
<div id="run">Waiting run</div>
<canvas width="512" height="512" style="background: black;"></canvas>
<script type="module">
import ManagerInit from "./main.js"
const el = document.getElementById("run")
ManagerInit().then(async (m) => {
const adapter = await navigator.gpu.requestAdapter();
console.log(adapter);
if (!adapter) {
throw new Error("Failed to initialize webgpu adapter.");
}
const device = await adapter.requestDevice({
requiredFeatures: ["timestamp-query"],
requiredLimits: {"maxStorageBuffersPerShaderStage": 10}
});
if (!device) {
throw new Error("Failed to initialize webgpu device.");
}
m.preinitializedWebGPUDevice = device;
const builder = new m.VectorPathBuilder();
builder.Load();
let zoom = 1.0;
let x = 0.0;
let y = 0.0;
window.onkeydown = (e) => {
switch(e.key) {
case "z":
zoom += 0.1;
break;
case "x":
zoom -= 0.1;
break;
case "ArrowLeft":
x += 33.0;
break;
case "ArrowRight":
x -= 33.0;
break;
case "ArrowUp":
y += 33.0;
break;
case "ArrowDown":
y -= 33.0;
break;
}
builder.Move(x, y);
builder.Zoom(zoom);
}
// const t0 = performance.now();
const animate = () => {
const t0 = performance.now();
builder.Process();
const t1 = performance.now();
el.innerHTML = `cpu time: ${(t1 - t0).toFixed(3)}`;
requestAnimationFrame(animate);
}
requestAnimationFrame(animate);
// const iterations = 100;
// for (let i = 0; i < iterations; i++) {
// }
// const t1 = performance.now();
// console.log(t1 - t0);
// el.innerHTML = `processing took: ${(t1 - t0) / iterations}`;
})
</script>
<!--[if lt IE 7]>
<p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
<![endif]-->
<script src="" async defer></script>
</body>
</html>