| <!DOCTYPE html><html> |
| <head> |
| <style> |
| canvas { |
| transform: translateZ(0px); |
| } |
| div { |
| will-change: transform; |
| width: 15px; |
| height: 15px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() { |
| var c = document.getElementById('cvs_img2'); |
| var ctx = c.getContext('2d'); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0,0,c.width, c.height); |
| |
| if (window.testRunner) { |
| document.getElementById('layers').innerText = window.internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| } |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <p>Tests whether an accelerated canvas creates a compositing layer.</p> |
| <canvas id="cvs_img2" width="10" height="10"></canvas> |
| <div></div> |
| <pre id="layers">Layer tree goes here in DRT</pre> |
| </body> |
| </html> |