third_party/WebKit/LayoutTests/fast/repaint/clip-path-constant-repaint.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="resources/text-based-repaint.js"></script>
   5 <script type="text/javascript">
   6 window.onload = function() {
   7     runRepaintTest();
   8 };
   9
  10 function repaintTest() {
  11     document.getElementById('clip').style.transform = 'translateY(100px)';
  12 }
  13 </script>
  14 <style>
  15 #clip {
  16   width: 100%;
  17   height: 300px;
  18   position: fixed;
  19   background-color: rgba(255, 0, 0, 0.9);
  20   -webkit-clip-path: polygon(0px 0px, 100% 0px, 100% 100%, 0px 83%);
  21   -webkit-backface-visibility: hidden;
  22 }
  23 </style>
  24 </head>
  25 <body>
  26   <div id="clip"></div>
  27 </body>
  28 </html>