[Webkit-unassigned] [Bug 110299] New: [WK2] add setNeedsDisplay in DrawingArea to mark whole layer as dirty.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110299

           Summary: [WK2] add setNeedsDisplay in DrawingArea to mark whole
                    layer as dirty.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: luxtella at company100.net


Currently, we call setNeedsDisplay with the size of WebPage to mark whole
backing store as dirty. However, the size of non compositing layer can be
inconsistent with the size of WebPage. For example, in Coordinated Graphics, the
size of non compositing layer is contents size.

So, WebPage should not assume the size of non compositing layer, and should just
call setNeedsDisplay when marking whole layer as dirty.

In addition, this patch renames from setNeedsDisplay() with a rect argument to
setNeedsDisplayInRect(), which matches to the terms of GraphicsLayer.

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