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Fixed Position Out Of View Scroll Prepaint

third_party/blink/manual_tests/compositing/fixed-position-out-of-view-scroll-prepaint.html

150.0.7829.2406 B
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This test is applicable on platforms that do accelerated compositing, can prepaint out-of-view contents and can scroll the contents into the viewport without repainting them.

The following settings need to be enabled:

  • preferCompositingToLCDTextEnabled
  • fixedPositionCreatesStackingContext

To test, scroll the page up and down. The test passes if there is no temporary or permanent red in the page.