[Webkit-unassigned] [Bug 83131] New: [BlackBerry] Force compositing mode when backing store is not active

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83131

           Summary: [BlackBerry] Force compositing mode when backing store
                    is not active
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit BlackBerry
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: anilsson at rim.com
                CC: tonikitoo at webkit.org, jpetsovits at rim.com,
                    fspacek at rim.com


Normally, we'd resort to direct rendering when the backing store is not active. However, direct rendering is broken with OpenGL compositing code path, and we have a better option anyway - use accelerated compositing layer to render the root layer instead of backing store. This will give us a tiled layer backing the root layer.

This in turn will enable multiple web pages to be composited at once with the new WebPageCompositor API.

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