mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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41 lines
1.3 KiB
HTML
41 lines
1.3 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" type="text/css" href="../unit.css" />
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<script type="application/x-javascript" src="../unit.js"></script>
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<script type="application/x-javascript" src="../util.js"></script>
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<script type="application/x-javascript">
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Tests.autorun = false;
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Tests.message = "This might take a second or two";
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Tests.testGLOverhead = function() {
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var gl = document.getElementById("gl").getContext(GL_CONTEXT_ID);
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var fakeGl = {getError: function(){ return 0; }};
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time("testGLOverhead", function() {
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for (var i=0; i<1000000; i++)
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gl.getError();
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});
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time("testJSOverhead", function() {
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for (var i=0; i<1000000; i++)
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fakeGl.getError();
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});
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time("testLoopOverhead", function() {
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for (var i=0; i<1000000;)
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i++;
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});
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}
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</script>
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<style>canvas{ position:absolute; }</style>
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</head><body>
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<canvas id="gl" width="16" height="16"></canvas>
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<h3>1000000x gl.getError() (measuring JS->GL call overhead)</h3>
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<p id="testGLOverhead"></p>
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<h3>1000000x fakeGl.getError() (measuring JS->JS call overhead)</h3>
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<p id="testJSOverhead"></p>
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<h3>1000000x i++ (measuring loop overhead)</h3>
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<p id="testLoopOverhead"></p>
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</body></html>
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