context-lost-worker.html (987B)
1 <!-- 2 Copyright (c) 2019 The Khronos Group Inc. 3 Use of this source code is governed by an MIT-style license that can be 4 found in the LICENSE.txt file. 5 --> 6 <!DOCTYPE html> 7 <html> 8 <head> 9 <meta charset="utf-8"> 10 <link rel="stylesheet" href="../../resources/js-test-style.css"/> 11 <script src="../../js/js-test-pre.js"></script> 12 <script src="../../js/webgl-test-utils.js"></script> 13 <script> 14 function init() 15 { 16 description("Tests behavior under a lost context for OffscreenCanvas in a worker"); 17 18 if (!window.OffscreenCanvas) { 19 testPassed("No OffscreenCanvas support"); 20 finishTest(); 21 return; 22 } 23 24 var worker = new Worker('context-lost-worker.js'); 25 worker.postMessage("Start worker"); 26 worker.onmessage = function(e) { 27 const fn = e.data.fail ? testFailed : testPassed; 28 fn(e.data.msg); 29 if (e.data.finishTest) { 30 finishTest(); 31 } 32 return; 33 } 34 } 35 36 </script> 37 </head> 38 <body onload="init()"> 39 <div id="description"></div> 40 <div id="console"></div> 41 </body> 42 </html>