| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .transform { |
| width: 100px; |
| height: 30px; |
| background: blue; |
| will-change: transform; |
| } |
| .fixed { |
| position: fixed; |
| left: 10px; |
| top: 10px; |
| } |
| </style> |
| |
| <script type="text/javascript"> |
| if (window.internals) { |
| internals.settings.setPreferCompositingToLCDTextEnabled(true); |
| internals.settings.setThreadedScrollingEnabled(true); |
| } |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| |
| window.addEventListener("load", function() { |
| document.getElementById("layerTree").innerText = internals.layerTreeAsText(document); |
| document.getElementById("mainThreadScrollingReasons").innerText = internals.mainThreadScrollingReasons(document); |
| }, false); |
| } |
| </script> |
| </head> |
| |
| <body> |
| <div class="transform"> |
| <!-- This element should neither be composited nor force main thread scrolling. --> |
| <div class="fixed">TEST</div> |
| </div> |
| |
| <pre id="layerTree"></pre> |
| <pre id="mainThreadScrollingReasons"></pre> |
| </body> |
| </html> |
