| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| } |
| iframe { |
| height: 300px; |
| width: 400px; |
| margin: 20px; |
| box-shadow: 0 0 10px black; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(0); |
| width: 1px; |
| height: 1px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| var expectedLoads = 2; |
| function documentLoaded() |
| { |
| if (!--expectedLoads) { |
| // Timeout is required to allow layer to paint before the scroll. |
| window.setTimeout(doTest, 0); |
| } |
| } |
| |
| function doTest() |
| { |
| if (window.testRunner) |
| testRunner.displayAndTrackRepaints(); // Flush pending compositing repaints. |
| |
| if (window.internals) |
| window.internals.startTrackingRepaints(); |
| |
| document.getElementById('frame').contentWindow.scrollTo(0, 100); |
| |
| if (window.internals) |
| document.getElementById('repaintRects').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| window.addEventListener('load', documentLoaded, false); |
| </script> |
| </head> |
| <body> |
| |
| <iframe id="frame" onload="documentLoaded()" src="resources/compositing-fixed-background-document.html"></iframe> |
| <pre id="repaintRects"></pre> |
| <div class="composited"></div> <!-- To get the root composited in WebKit1 --> |
| |
| </body> |
| </html> |
