| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .underlay { | |
| position: fixed; | |
| width: 1024px; | |
| height: 1042px; | |
| background-color: rgba(0, 0, 0, 0.9); | |
| } | |
| .image { | |
| position: relative; | |
| width: 100px; | |
| height: 100px; | |
| background-color: green; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| if (window.internals) | |
| window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); | |
| function doTest() | |
| { | |
| if (window.eventSender) | |
| eventSender.scalePageBy(3, 3); | |
| if (window.testRunner) | |
| document.getElementById('layers').innerText = window.internals.layerTreeAsText(document); | |
| } | |
| window.addEventListener('load', doTest, false); | |
| </script> | |
| </head> | |
| <body> | |
| <div class="underlay"></div> | |
| <div class="image">Image</div> | |
| <pre id="layers"></pre> | |
| </body> | |
| </html> |