[Webkit-unassigned] [Bug 86483] LayerAnimation is not thread safe, which makes dereferencing an expensive operation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86483





--- Comment #6 from Simon Fraser (smfr) <simon.fraser at apple.com>  2012-05-16 12:43:02 PST ---
(From update of attachment 141984)
View in context: https://bugs.webkit.org/attachment.cgi?id=141984&action=review

> Source/WebCore/platform/animation/TimingFunction.h:32
> -class TimingFunction : public RefCounted<TimingFunction> {
> +class TimingFunction : public ThreadSafeRefCounted<TimingFunction> {

Why force all platforms to take a perf hit when only BlackBerry needs the thread safety?

> Source/WebCore/platform/graphics/transforms/TransformOperation.h:37
> -class TransformOperation : public RefCounted<TransformOperation> {
> +class TransformOperation : public ThreadSafeRefCounted<TransformOperation> {

Ditto.

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