[Webkit-unassigned] [Bug 50044] Windowless plugin not visible without using QGraphicsView

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50044





--- Comment #5 from Noam Rosenthal <noam.rosenthal at nokia.com>  2012-02-21 09:43:40 PST ---
(In reply to comment #3)
> The given link makes the WebProcess crash in MiniBrowser
> CC'ing people who know their way around TextureMapper.
> 
> process 4345 is executing new program: /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/bin/QtWebProcess
> ASSERTION FAILED: !data().sharedGLData().clipStack.isEmpty()
> ../../../../Source/WebCore/platform/graphics/opengl/TextureMapperGL.cpp(857) : bool WebCore::TextureMapperGL::endScissorClip()
> 1   0x7ffff561e6f8 /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN7WebCore15TextureMapperGL14endScissorClipEv+0x78) [0x7ffff561e6f8]
> 2   0x7ffff561ee0b /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN7WebCore15TextureMapperGL7endClipEv+0x1b) [0x7ffff561ee0b]
> 3   0x7ffff4694663 /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN6WebKit18LayerTreeHostProxy23paintToCurrentGLContextERKN7WebCore20TransformationMatrixEfRKNS1_9FloatRectE+0x2cf) [0x7ffff4694663]
> 4   0x7ffff45e7bbe /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN6WebKit20DrawingAreaProxyImpl23paintToCurrentGLContextERKN7WebCore20TransformationMatrixEfRKNS1_9FloatRectE+0x5c) [0x7ffff45e7bbe]
> 5   0x7ffff45d2ed9 /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN20QQuickWebPagePrivate23paintToCurrentGLContextEv+0x187) [0x7ffff45d2ed9]
> 6   0x7ffff45d32a2 /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/lib/libQtWebKit.so.4(_ZN23PageProxyMaterialShader11updateStateERKN17QSGMaterialShader11RenderStateEP11QSGMaterialS5_+0x4e) [0x7ffff45d32a2]
> 7   0x7ffff1f48f04 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(+0x165f04) [0x7ffff1f48f04]
> 8   0x7ffff1f47b50 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(+0x164b50) [0x7ffff1f47b50]
> 9   0x7ffff1f525bb /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(_ZN11QSGRenderer11renderSceneERK11QSGBindable+0x147) [0x7ffff1f525bb]
> 10  0x7ffff1f52446 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(_ZN11QSGRenderer11renderSceneEv+0x2c) [0x7ffff1f52446]
> 11  0x7ffff1f706d0 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(_ZN10QSGContext15renderNextFrameEP11QSGRendererj+0x58) [0x7ffff1f706d0]
> 12  0x7ffff1fb6b76 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(_ZN19QQuickCanvasPrivate16renderSceneGraphERK5QSize+0x1aa) [0x7ffff1fb6b76]
> 13  0x7ffff20c0cb1 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(+0x2ddcb1) [0x7ffff20c0cb1]
> 14  0x7ffff20c113a /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtQuick.so.5(+0x2de13a) [0x7ffff20c113a]
> 15  0x7fffefd65a22 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN23QCoreApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x76) [0x7fffefd65a22]
> 16  0x7fffefd65762 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication6notifyEP7QObjectP6QEvent+0xc2) [0x7fffefd65762]
> 17  0x7ffff02d5999 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtGui.so.5(_ZN15QGuiApplication6notifyEP7QObjectP6QEvent+0xb3) [0x7ffff02d5999]
> 18  0x40db7b /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/bin/MiniBrowser() [0x40db7b]
> 19  0x7fffefd6566e /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x9e) [0x7fffefd6566e]
> 20  0x7fffefd6937d /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication9sendEventEP7QObjectP6QEvent+0x51) [0x7fffefd6937d]
> 21  0x7fffefd6675c /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x458) [0x7fffefd6675c]
> 22  0x7fffefd66301 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication16sendPostedEventsEP7QObjecti+0x2d) [0x7fffefd66301]
> 23  0x7fffefdc7619 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication16sendPostedEventsEv+0x13) [0x7fffefdc7619]
> 24  0x7fffefdc6421 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(+0x272421) [0x7fffefdc6421]
> 25  0x7fffeae078bd /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1dd) [0x7fffeae078bd]
> 26  0x7fffeae080b8 /usr/lib/libglib-2.0.so.0(+0x450b8) [0x7fffeae080b8]
> 27  0x7fffeae08289 /usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x69) [0x7fffeae08289]
> 28  0x7fffefdc6ce1 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x101) [0x7fffefdc6ce1]
> 29  0x7fffefd62b9a /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x7a) [0x7fffefd62b9a]
> 30  0x7fffefd62e91 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x181) [0x7fffefd62e91]
> 31  0x7fffefd65cd5 /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5(_ZN16QCoreApplication4execEv+0x185) [0x7fffefd65cd5]

Reopened https://bugs.webkit.org/show_bug.cgi?id=78677 to fix this problem.

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