| <script> |
| if (window.testRunner) { |
| // Force software rendering mode. |
| window.testRunner.overridePreference("WebKitAcceleratedCompositingEnabled", "0"); |
| } |
| </script> |
| <img style="-webkit-filter: contrast(0)" src="resources/reference.png"> |
| <img style="-webkit-filter: contrast(0.5)" src="resources/reference.png"> |
| <img style="-webkit-filter: contrast(1.0)" src="resources/reference.png"> |
| <img style="-webkit-filter: contrast(2)" src="resources/reference.png"> |
| <img style="-webkit-filter: contrast(5)" src="resources/reference.png"> |
| <img style="-webkit-filter: contrast(10)" src="resources/reference.png"> |
