[Webkit-unassigned] [Bug 129128] New: WinCairo should use coordinated graphics and tiled backing store

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=129128

           Summary: WinCairo should use coordinated graphics and tiled
                    backing store
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 8
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alex.christensen at flexsim.com
                CC: bfulgham at webkit.org


Now that everybody is using accelerated compositing, WinCairo should also be using coordinated graphics and tiled backing store.  GStreamer video doesn't show up on the screen without them, and I imagine there are other features that use them, too.

On a related note, I got WinCairo compiling and running with FeatureDefines.props. instead of FeatureDefinesCairo.props.  The differences between these two files could cause problems, and using the same feature defines would unite the ports more.  Do you think this would be worth upstreaming?  Specifically ENABLE_3D_RENDERING, ENABLE_CSS_FILTERS, ENABLE_CSS_SHAPE_INSIDE, ENABLE_IFRAME_SEAMLESS, ENABLE_MEDIA_STATISTICS, ENABLE_REQUEST_ANIMATION_FRAME, ENABLE_SUBPIXEL_LAYOUT, ENABLE_TEMPLATE_ELEMENT, and ENABLE_VIEW_MODE_CSS_MEDIA are different.

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