[Webkit-unassigned] [Bug 54138] New: QWebPage with WebGL content crashes when rendering if no QWebView parent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54138

           Summary: QWebPage with WebGL content crashes when rendering if
                    no QWebView parent
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rectalogic at rectalogic.com


Created an attachment (id=81860)
 --> (https://bugs.webkit.org/attachment.cgi?id=81860&action=review)
Qt app that demonstrates the crash

This bug depends on a working WebGL build from bug 53431

If a QWebPage content contains WebGL, when the page is rendered it crashes because WebCore::GraphicsContext3DInternal::getOwnerGLWidget assumes we have a QWebPageClient. Need to check and return 0 if no QWebPageClient was set.

Simple demo app attached, and backtrace from running it.

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