Bug 36134

Summary:

Drop out of compositing mode when no elements need to composite

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Layout and Rendering

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

Keywords:

InRadar

Priority:

Version:

528+ (Nightly build)

Hardware:

OS:

OS X 10.5

Attachments:

Description	Flags
Patch	mitz: review+

Description Simon Fraser (smfr) 2010-03-15 13:34:39 PDT

Currently we never go out of compositing mode on a given page, even if no elements need to be composited. This means that we keep a layer-backed view subview of the WebHTMLView around, which can impact resize performance.

Comment 1 Simon Fraser (smfr) 2010-03-15 14:29:19 PDT

Created attachment 50740 [details]
Patch

Comment 2 mitz 2010-03-15 14:39:27 PDT

Comment on attachment 50740 [details]
Patch


> +            } else {
> +                m_rootPlatformLayer->setChildren(childList);
> +            }

Braces around one-line block.

Comment 3 Simon Fraser (smfr) 2010-03-15 14:47:46 PDT

http://trac.webkit.org/changeset/56017

Comment 4 Simon Fraser (smfr) 2010-03-15 14:49:02 PDT

<rdar://problem/7748315>