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Side by Side Diff: conformance/more/performance/jsGCPause.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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1 <!DOCTYPE html>
2 <html><head>
3 <meta charset="utf-8">
4 <link rel="stylesheet" type="text/css" href="../unit.css" />
5 <script type="application/x-javascript" src="../unit.js"></script>
6 <script type="application/x-javascript" src="../util.js"></script>
7 <script type="application/x-javascript">
8
9 Tests.autorun = false;
10
11 Tests.testInterval = function() {
12 document.getElementById('dtMax').textContent = "Running, please wait...";
13 setTimeout(function() {
14 var t0 = new Date().getTime();
15 var t = t0;
16 var dtMax = 0;
17 var frames = [];
18 var iv;
19 iv = setInterval(function() {
20 if (t > t0 + 10000) {
21 var hist = [];
22 var dtMed = 0, maxi = [0, 0];
23 for (var i=0; i<dtMax; i++) hist[i] = 0;
24 for (var i=0; i<frames.length; i++)
25 hist[frames[i]]++;
26 for (var i=0; i<hist.length; i++)
27 if (hist[i] > maxi[1]) maxi = [i, hist[i]];
28 dtMed = maxi[0];
29 var dtAvg = frames.reduce(function(s,i){return s + i;})/frames.l ength;
30 document.getElementById('dtMax').textContent = "Longest frame: " + dtMax + " ms. Average frame: " + Math.floor(dtAvg*100)*0.01 + " ms. Median fr ame: " + dtMed + " ms.";
31 clearInterval(iv);
32 var c = document.getElementById('dtCanvas');
33 c.width = frames.length;
34 c.height = dtMax;
35 var ctx = c.getContext('2d');
36 for (var i=0; i<frames.length; i++)
37 ctx.fillRect(i,0,1,frames[i]);
38 }
39 var t1 = new Date().getTime();
40 if (t1-t > dtMax) dtMax = t1-t;
41 frames.push(t1-t);
42 t = t1;
43 var rot = Matrix.rotate((t/400) % (2*Math.PI), [0, 1+(t%1000), 1]);
44 var trans = Matrix.translate3(0, Math.cos(t/1000)*1, Math.sin(t/1000 )*3);
45 for (var i=0; i<200; i++)
46 var mat = Matrix.mul4x4(rot, trans);
47 }, 16);
48 }, 0);
49 }
50
51 </script>
52 <style>canvas{ position:absolute; }</style>
53 </head><body>
54 <h3>10 seconds of 60fps 200x mul4x4, frame time statistics</h3>
55 <p id="dtMax"></p>
56 <canvas id="dtCanvas"></canvas>
57 </body></html>
58
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