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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Painting deep tree with CSS Blending</title> | |
| 5 <!-- https://codereview.chromium.org/478333002/ --> | |
| 6 <style> | |
| 7 .box { | |
| 8 width: 100px; | |
| 9 height: 100px; | |
| 10 position: relative; | |
| 11 z-index: 1; | |
| 12 top: 10px; | |
| 13 background-color: red; | |
| 14 border: 1px black solid; | |
| 15 } | |
| 16 .blending { | |
| 17 mix-blend-mode: difference; | |
| 18 } | |
| 19 #container { | |
| 20 position: absolute; | |
| 21 left: 0px; | |
| 22 z-index: 0; | |
| 23 } | |
| 24 </style> | |
| 25 <script src="../resources/runner.js"></script> | |
| 26 <script src="resources/framerate.js"></script> | |
| 27 <script> | |
| 28 var intervalId = 0; | |
| 29 window.onload = function () { | |
| 30 PerfTestRunner.prepareToMeasureValuesAsync({ | |
| 31 description: "Measure performance of software-animating a deep DOM subtr
ee having one blending leaf.", | |
| 32 done: onCompletedRun, | |
| 33 unit: 'fps' | |
| 34 }); | |
| 35 | |
| 36 // The leaf element has blending | |
| 37 var lastElement = document.createElement("div"); | |
| 38 lastElement.setAttribute("class", "blending box"); | |
| 39 | |
| 40 for (var i = 0; i < 100; i++) { | |
| 41 var el = document.createElement("div"); | |
| 42 el.setAttribute("class", "box"); | |
| 43 el.appendChild(lastElement); | |
| 44 lastElement = el; | |
| 45 } | |
| 46 var container = document.getElementById("container"); | |
| 47 container.appendChild(lastElement); | |
| 48 | |
| 49 intervalId = window.setInterval(function () { | |
| 50 var leftVal = parseInt(container.style.left) || 0; | |
| 51 container.style.left = (leftVal + 1) + "px"; | |
| 52 }, 16); | |
| 53 | |
| 54 startTrackingFrameRate(); | |
| 55 } | |
| 56 | |
| 57 function onCompletedRun() { | |
| 58 clearInterval(intervalId); | |
| 59 stopTrackingFrameRate(); | |
| 60 } | |
| 61 </script> | |
| 62 </head> | |
| 63 <body> | |
| 64 <pre id="log"> </pre> | |
| 65 <div id="container"> </div> | |
| 66 </body> | |
| 67 </html> | |
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Chromium Code Reviews
Issue 1175453002:
Finalize migration of blink_perf.animation to smoothness.tough_animation_cases (Closed)
Base URL: svn://svn.chromium.org/blink/trunk