[Webkit-unassigned] [Bug 132481] New: [iOS] deviceScaleFactor is being double-applied when rendering captions in full screen mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=132481

           Summary: [iOS] deviceScaleFactor is being double-applied when
                    rendering captions in full screen mode
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: iOS
        OS/Version: All
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bfulgham at webkit.org


When captions are played in full screen mode, they are about half the size we would expect. It looks like we are configuring the text track representation's graphics context to scale by the device scale factor, but later we apply that device scale factor again when generating the final image we pass to the full screen compositing step.

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