[Webkit-unassigned] [Bug 69441] New: [chromium] Keep track of the paint rect in layers

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Oct 5 10:37:19 PDT 2011


           Summary: [chromium] Keep track of the paint rect in layers
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shawnsingh at chromium.org

This is part 1 of adding compositor support for --show-paint-rects.  Note that the "dirty rect" (area marked as needing repaint) is not necessarily the same as the "paint rect" (area that is actually repainted), even though they will often be the same.  In addition to visualizing paint rects, keeping track of this will be useful for computing a good scissor rect as well.

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