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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>TransferToImageBitmap</title>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id='myWorker' type='text/worker'>
self.onmessage = function(e) {
var canvas = new OffscreenCanvas(128, 128);
var gl = canvas.getContext("webgl2");
gl.clearColor(1.0, 1.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
var image = canvas.transferToImageBitmap();
self.postMessage({ bitmap: image },
[ image ]);
};
</script>
<script>
var blob = new Blob([document.getElementById('myWorker').textContent]);
var worker = new Worker(URL.createObjectURL(blob));
worker.onmessage = function (msg) {
try { worker.postMessage('Start worker'); } catch (e) { }
};
try { worker.postMessage('Start worker'); } catch (e) { }
</script>
</body>
</html>
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