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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.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL Context Release Test</title>
<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>
</head>
<body>
<iframe id="host" style="width: 256px; height: 256px; border: 0;"></iframe>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
description("This test ensures that WebGL contexts are released properly when a worker is used");
var wtu = WebGLTestUtils;
var host = document.getElementById("host");
var testIterations = 25;
var currentIteration = 0;
function refreshFrame() {
if(currentIteration < testIterations) {
currentIteration++;
debug("");
debug("Test " + currentIteration + " of " + testIterations);
host.src = "resources/context-release-child-with-worker.html";
} else {
finishTest();
}
}
function testContext() {
var gl = host.contentWindow.glContext;
assertMsg(gl != null, "context was created properly");
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors");
if(gl.canvas.width != gl.drawingBufferWidth ||
gl.canvas.height != gl.drawingBufferHeight) {
testFailed("Buffer was the wrong size: " +
gl.drawingBufferWidth + "x" + gl.drawingBufferHeight);
} else {
testPassed("Buffer was the correct size: " +
gl.drawingBufferWidth + "x" + gl.drawingBufferHeight);
refreshFrame();
}
gl = null;
}
window.addEventListener("message", function(event) {
if(event.data == "Ready") {
testContext();
}
});
refreshFrame();
var successfullyParsed = true;
</script>
</body>
</html>