Bug 48024

Summary:

Composited elements drawn twice when WebView is layer-backed

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

WebKit Misc.

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

simon.fraser

Priority:

Keywords:

InRadar

Version:

528+ (Nightly build)

Hardware:

Mac

OS:

OS X 10.5

Attachments:

Description	Flags
Patch	none
Patch	mitz: review+

Simon Fraser (smfr)

Reported 2010-10-20 16:29:41 PDT

If the WebView is layer backed (via -setWantsLayer:YES), then there are issues with the rendering of composited content. It draws twice.

Attachments
Patch (4.86 KB, patch) 2010-10-20 16:33 PDT, Simon Fraser (smfr)	no flags	Details Formatted Diff Diff
Patch (4.83 KB, patch) 2010-10-20 17:31 PDT, Simon Fraser (smfr)	mitz: review+	Details Formatted Diff Diff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.

Simon Fraser (smfr)

Comment 1 2010-10-20 16:30:04 PDT

<rdar://problem/7916580>

Simon Fraser (smfr)

Comment 2 2010-10-20 16:33:19 PDT

Created attachment 71358 [details] Patch

mitz

Comment 3 2010-10-20 17:08:22 PDT

Comment on attachment 71358 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=71358&action=review > WebKit/mac/WebView/WebFrame.mm:532 > +- (BOOL)_showFlattenedCompositingLayers:(CGContextRef)context This name is no good. This method doesn’t show anything. > WebKit/mac/WebView/WebFrame.mm:540 > + if (WKCGContextIsBitmapContext(context)) { Can reverse the test and return early here.

Simon Fraser (smfr)

Comment 4 2010-10-20 17:31:11 PDT

Created attachment 71371 [details] Patch

Simon Fraser (smfr)

Comment 5 2010-10-20 18:18:02 PDT

http://trac.webkit.org/changeset/70199

Note You need to log in before you can comment on or make changes to this bug.