| <script> |
| if (window.testRunner) { |
| // Force software rendering mode. |
| window.testRunner.overridePreference("WebKitAcceleratedCompositingEnabled", "0"); |
| } |
| </script> |
| <img style="filter: grayscale(0)" src="resources/reference.png"> |
| <img style="filter: grayscale(0.2)" src="resources/reference.png"> |
| <img style="filter: grayscale(0.4)" src="resources/reference.png"> |
| <img style="filter: grayscale(0.6)" src="resources/reference.png"> |
| <img style="filter: grayscale(0.8)" src="resources/reference.png"> |
| <img style="filter: grayscale(1.0)" src="resources/reference.png"> |
