Bug 144502 - Avoid compositing updates after style recalcs which have no compositing implications
Summary: Avoid compositing updates after style recalcs which have no compositing impli...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: 528+ (Nightly build)
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2015-05-01 15:12 PDT by Simon Fraser (smfr)
Modified: 2015-05-01 19:34 PDT (History)
8 users (show)

See Also:

Attachments
Patch (17.07 KB, patch)
2015-05-01 15:25 PDT, Simon Fraser (smfr) 		darin: review+
Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Simon Fraser (smfr) 2015-05-01 15:12:32 PDT 
Avoid compositing updates after style recalcs which have no compositing implications
Comment 1 Simon Fraser (smfr) 2015-05-01 15:25:07 PDT 
Created attachment 252176 [details]
Patch
Comment 2 Simon Fraser (smfr) 2015-05-01 15:26:57 PDT 
rdar://problem/20592758
Comment 3 Darin Adler 2015-05-01 16:44:33 PDT 
Comment on attachment 252176 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=252176&action=review

> Source/WebCore/rendering/RenderLayerCompositor.cpp:4219
> +void RenderLayerCompositor::startTrackingCompositingUpdates()
> +{
> +    m_compositingUpdateCount = 0;
> +}
> +
> +unsigned RenderLayerCompositor::compositingUpdateCount() const
> +{
> +    return m_compositingUpdateCount;
> +}

Can these go inside of some #If?
Comment 4 Simon Fraser (smfr) 2015-05-01 19:34:27 PDT 
https://trac.webkit.org/r183710