[Webkit-unassigned] [Bug 108892] Passing alpha to DeferredImageDecoder once decoding completes
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bugzilla-daemon at webkit.org
Tue Feb 12 21:32:29 PST 2013
https://bugs.webkit.org/show_bug.cgi?id=108892
--- Comment #10 from Hin-Chung Lam <hclam at google.com> 2013-02-12 21:34:43 PST ---
(From update of attachment 187898)
View in context: https://bugs.webkit.org/attachment.cgi?id=187898&action=review
> Source/WebCore/platform/graphics/chromium/DeferredImageDecoder.cpp:186
> + return pixelRef->frameGenerator()->hasAlpha();
DeferredImageDecoder already has a pointer to ImageFrameGenerator.
> Source/WebCore/platform/graphics/chromium/ImageFrameGenerator.h:70
> + bool hasAlpha() const { return m_hasAlpha; }
This is not thread-safe and we need a lock for reading and writing to this value.
You don't want to acquire the decodeMutex.. so I guess it's fine to have a alphaMutex (reluctantly..)
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