[Webkit-unassigned] [Bug 107625] Coordinated Graphics : Reduce the number of messages sent to UIProcess when creating and deleting compositing layers.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107625





--- Comment #1 from Seulgi, Kim <seulgikim at company100.net>  2013-01-22 21:18:05 PST ---
I tested http://black.company100.net/test/TC/leaves1000.

And stack trace is below.
ASSERTION FAILED: m_layers.contains(id)
/home/sgkim126/Project/WebKit/Qt/Source/WebKit2/UIProcess/CoordinatedGraphics/LayerTreeRenderer.h(123) : WebCore::GraphicsLayer* WebKit::LayerTreeRenderer::layerByID(WebKit::CoordinatedLayerID)
1   0x7fb4605b3142 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit17LayerTreeRenderer9layerByIDEj+0x54) [0x7fb4605b3142]
2   0x7fb4605b4d69 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit17LayerTreeRenderer16setLayerChildrenEjRKN3WTF6VectorIjLm0EEE+0x67) [0x7fb4605b4d69]
3   0x7fb4605b2763 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN3WTF15FunctionWrapperIMN6WebKit17LayerTreeRendererEFvjRKNS_6VectorIjLm0EEEEEclEPS2_jS6_+0x69) [0x7fb4605b2763]
4   0x7fb4605b1ad1 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN3WTF17BoundFunctionImplINS_15FunctionWrapperIMN6WebKit17LayerTreeRendererEFvjRKNS_6VectorIjLm0EEEEEEFvPS3_jS5_EEclEv+0x73) [0x7fb4605b1ad1]
5   0x7fb4605b7cc0 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZNK3WTF8FunctionIFvvEEclEv+0x72) [0x7fb4605b7cc0]
6   0x7fb4605b7280 /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit17LayerTreeRenderer17syncRemoteContentEv+0x9e) [0x7fb4605b7280]
7   0x7fb4605b3e5b /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit17LayerTreeRenderer23paintToCurrentGLContextERKN7WebCore20TransformationMatrixEfRKNS1_9FloatRectEj+0x109) [0x7fb4605b3e5b]
8   0x7fb4607eaacd /home/sgkim126/Project/WebKit/Qt/WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit14ContentsSGNode6renderERKN13QSGRenderNode11RenderStateE+0x2a1) [0x7fb4607eaacd]
9   0x7fb45f941b48 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN18QSGDefaultRenderer11renderNodesEPKP7QSGNodei+0x208) [0x7fb45f941b48]
10  0x7fb45f942653 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN18QSGDefaultRenderer6renderEv+0x353) [0x7fb45f942653]
11  0x7fb45f948529 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN11QSGRenderer11renderSceneERK11QSGBindable+0x69) [0x7fb45f948529]
12  0x7fb45f948657 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN11QSGRenderer11renderSceneEv+0x17) [0x7fb45f948657]
13  0x7fb45f952724 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN10QSGContext15renderNextFrameEP11QSGRendererj+0x14) [0x7fb45f952724]
14  0x7fb45f9822ee /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(_ZN19QQuickWindowPrivate16renderSceneGraphERK5QSize+0x1be) [0x7fb45f9822ee]
15  0x7fb45fa6b397 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Quick.so.5(+0x230397) [0x7fb45fa6b397]
16  0x7fb45e854886 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(+0x8c886) [0x7fb45e854886]
17  0x7fb456240734 /usr/lib/nvidia-current-updates/libGL.so.1(+0xaa734) [0x7fb456240734]

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