| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .composited { |
| -webkit-transform: translatez(0); |
| } |
| |
| .box { |
| position: absolute; |
| top: 360px; |
| left: 50px; |
| background-color: cyan; |
| width: 300px; |
| height: 100px; |
| } |
| |
| #iframe1 { |
| position: absolute; |
| top: 30px; |
| left: 10px; |
| width: 150px; |
| height: 150px; |
| } |
| |
| #iframe2 { |
| position: absolute; |
| top: 200px; |
| left: 10px; |
| width: 150px; |
| height: 150px; |
| } |
| |
| #iframe3 { |
| position: absolute; |
| top: 380px; |
| left: 10px; |
| width: 150px; |
| height: 150px; |
| } |
| |
| </style> |
| |
| <script type="text/javascript"> |
| if (window.internals) { |
| window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); |
| window.internals.settings.setForceCompositingMode(true); |
| } |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| |
| window.addEventListener("load", function() { |
| document.getElementById("layertree").innerText = window.internals.layerTreeAsText(document); |
| }, false); |
| } |
| </script> |
| |
| </head> |
| <body style="height: 4000px;"> |
| <div>In all iframes, the green fixed-position element should not be composited. |
| <pre id="layertree"></pre> |
| </div> |
| <div class="composited box"> Composited box underneath iframe. </div> |
| <iframe id="iframe1" src="resources/fixed-position-nonscrollable-body.html"></iframe> |
| <iframe id="iframe2" class="composited" src="resources/fixed-position-nonscrollable-body.html"></iframe> |
| <iframe id="iframe3" src="resources/fixed-position-nonscrollable-body.html"></iframe> |
| </body> |
| </html> |
