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