[Webkit-unassigned] [Bug 36348] New: [Qt] Disable TILED_BACKING_STORE if Qt version is earlier than Qt4.6

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36348

           Summary: [Qt] Disable TILED_BACKING_STORE if Qt version is
                    earlier than Qt4.6
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: laszlo.1.gombos at nokia.com


It seems that the QtWebKit tiled backing store needs the QGraphicsItem::scale
function (seeQGraphicsWebViewPrivate::updateTiledBackingStoreScale).

I propose to turn off TILED_BACKING_STORE if Qt version is earlier than Qt4.6
(instead of making it work on Qt 4.5 or earlier).

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