| <!DOCTYPE html> |
| <html> |
| <head> |
| <style type="text/css" media="screen"> |
| .subpixelPusher { |
| position: relative; |
| top: 0.4px; |
| z-index: 1; |
| } |
| .container { |
| display: inline-block; |
| padding-left: 80px; |
| padding-top: 10px; |
| } |
| .transform { |
| transform: rotate3d(0, 0, 1, 45deg); |
| will-change: transform; |
| } |
| </style> |
| <script src="../../resources/run-after-layout-and-paint.js" type="text/javascript"></script> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| function setupIframes() { |
| setupIframe(document.getElementById('iframe1').contentWindow.document); |
| setupIframe(document.getElementById('iframe2').contentWindow.document); |
| document.getElementById('iframe1').contentWindow.scrollTo(0, 10); |
| } |
| |
| function setupIframe(iframe) { |
| iframe.open('text/html', 'replace'); |
| iframe.write("<!DOCTYPE html>\n<html><body style=\"background-color: silver;height: 1000px;\"></body>"); |
| iframe.close(); |
| } |
| |
| function repaintTest() { |
| document.getElementById('iframe1').contentWindow.scrollTo(0, 0); |
| document.getElementById('iframe2').contentWindow.scrollTo(0, 10); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| </head> |
| <body onload="setupIframes();runAfterLayoutAndPaint(repaintTest);"> |
| <p>The iframes below should remain grey with no repaint artifacts when scrolling.</p> |
| <div> |
| <div class="container"> |
| <div class="transform"> |
| <div class="subpixelPusher"> |
| <div class="subpixelPusher"> |
| <iframe id="iframe1" style="width: 150px; height: 200px;"></iframe> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="container"> |
| <div class="subpixelPusher"> |
| <div class="subpixelPusher"> |
| <div class="subpixelPusher"> |
| <div class="transform"> |
| <div class="subpixelPusher"> |
| <div class="subpixelPusher"> |
| <div class="subpixelPusher"> |
| <div class="transform"> |
| <div class="subpixelPusher"> |
| <iframe id="iframe2" style="width: 150px; height: 200px;"></iframe> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </body> |
| </html> |
