context-lost-worker.html

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Copyright (c) 2019 The Khronos Group Inc.

Use of this source code is governed by an MIT-style license that can be

found in the LICENSE.txt file.

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<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<link rel="stylesheet" href="../../resources/js-test-style.css"/>

<script src="../../js/js-test-pre.js"></script>

<script src="../../js/webgl-test-utils.js"></script>

<script>

function init()

  description("Tests behavior under a lost context for OffscreenCanvas in a worker");

  if (!window.OffscreenCanvas) {

    testPassed("No OffscreenCanvas support");

    finishTest();

    return;

  var worker = new Worker('context-lost-worker.js');

  worker.postMessage("Start worker");

  worker.onmessage = function(e) {

    const fn = e.data.fail ? testFailed : testPassed;

    fn(e.data.msg);

    if (e.data.finishTest) {

      finishTest();

    return;

</script>

</head>

<body onload="init()">

<div id="description"></div>

<div id="console"></div>

</body>

</html>