[Webkit-unassigned] [Bug 197766] New: When the scroller hosting a shared layer becomes non-scrollable, content disappears

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 9 21:42:57 PDT 2019


https://bugs.webkit.org/show_bug.cgi?id=197766

            Bug ID: 197766
           Summary: When the scroller hosting a shared layer becomes
                    non-scrollable, content disappears
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Compositing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

Created attachment 369542

  --> https://bugs.webkit.org/attachment.cgi?id=369542&action=review

Testcase

Attached testcase shows a bug where when a scroller becomes non-scrollable, we change the layer configuration in a way that ends up leaving content unpainted.

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