[Webkit-unassigned] [Bug 59655] New: GTK port of WebKit2 should switch to new DrawingAreaImpl model

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=59655

           Summary: GTK port of WebKit2 should switch to new
                    DrawingAreaImpl model
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sam at webkit.org
                CC: andersca at apple.com, alex at igalia.com,
                    mrobinson at webkit.org


The GTK port is the only port left using the ChunkedUpdate model for DrawingAreas.  I would like to remove the ChunkedUpdate model soon, but getting the GTK port off it is a blocker.  The new model is quite a bit simpler from a porting perspective, but has a lot more functionality.  The Qt guys made the change recently in http://trac.webkit.org/changeset/84613.

The main things you have to do in order to make the change are:
- Fill out an implementation of BackingStore.
- Update your native views painting routine to call the new DrawingArea's paint function.
- Add some stubs for accelerated compositing.

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