[Webkit-unassigned] [Bug 64874] REGRESSION(r91332): css3/images/optimize-contrast-canvas.html crashes

Wed Jul 20 23:05:52 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=64874


--- Comment #2 from Mike Lawther <mikelawther at chromium.org>  2011-07-20 23:05:52 PST ---
r91332 was rolled out in bug 64925.

Here is a crash log from Safari Mac (with WebKit built using --debug) when running LayoutTests/css3/images/optimize-contrast-canvas.html: 


ASSERTION FAILED: !useLowQualityScale
/Volumes/development/src/chromium-webkit/src/third_party/WebKit/Source/WebCore/platform/graphics/cg/ImageBufferCG.cpp(216) : void WebCore::ImageBuffer::draw(WebCore::GraphicsContext*, WebCore::ColorSpace, const WebCore::FloatRect&, const WebCore::FloatRect&, WebCore::CompositeOperator, bool)
1   WebCore::ImageBuffer::draw(WebCore::GraphicsContext*, WebCore::ColorSpace, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::CompositeOperator, bool)
2   WebCore::GraphicsContext::drawImageBuffer(WebCore::ImageBuffer*, WebCore::ColorSpace, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::CompositeOperator, bool)
3   WebCore::GraphicsContext::drawImageBuffer(WebCore::ImageBuffer*, WebCore::ColorSpace, WebCore::IntRect const&, WebCore::IntRect const&, WebCore::CompositeOperator, bool)
4   WebCore::GraphicsContext::drawImageBuffer(WebCore::ImageBuffer*, WebCore::ColorSpace, WebCore::IntRect const&, WebCore::CompositeOperator, bool)
5   WebCore::HTMLCanvasElement::paint(WebCore::GraphicsContext*, WebCore::IntRect const&, bool)
6   WebCore::RenderHTMLCanvas::paintReplaced(WebCore::PaintInfo&, WebCore::IntPoint const&)
7   WebCore::RenderReplaced::paint(WebCore::PaintInfo&, WebCore::IntPoint const&)
8   WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
9   WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul>*, WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
10  WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
11  WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul>*, WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
12  WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
13  WebCore::RenderLayer::paint(WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*)
14  WebCore::FrameView::paintContents(WebCore::GraphicsContext*, WebCore::IntRect const&)
15  -[WebFrame(WebInternal) _drawRect:contentsOnly:]
16  -[WebHTMLView drawSingleRect:]
17  -[WebHTMLView drawRect:]
18  -[NSView _drawRect:clip:]
19  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
20  -[WebHTMLView(WebPrivate) _recursiveDisplayAllDirtyWithLockFocus:visRect:]
21  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
22  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
23  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
24  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
25  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
26  -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
27  -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
28  -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
29  -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
30  -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
31  -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:]

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