[Webkit-unassigned] [Bug 48070] New: [Qt] When doing rendering through tiling, it seems the tiles are not initialized before rendering

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48070

           Summary: [Qt] When doing rendering through tiling, it seems the
                    tiles are not initialized before rendering
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: Qt, QtTriaged
          Severity: Major
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: benjamin.poulain at nokia.com
                CC: koivisto at iki.fi, kenneth at webkit.org,
                    benjamin.poulain at nokia.com, noam.rosenthal at nokia.com


Created an attachment (id=71441)
 --> (https://bugs.webkit.org/attachment.cgi?id=71441&action=review)
Simple application showing the issue

When a page is not defining a background color, the rendering of the background is incorect when tiling is used.

The attached file show a page not rendered correctly when tiling is enabled.

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