Bug 140264

Summary: [iOS][WK2] Push content bounds on layer tree commit to prevent drawing stale fixed position rects
Product: WebKit Reporter: Martin Hock <mhock>
Component: WebKit2Assignee: Martin Hock <mhock>
Status: RESOLVED FIXED    
Severity: Normal CC: benjamin
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
patch benjamin: review+, benjamin: commit-queue-

Description Martin Hock 2015-01-08 13:36:50 PST 
[iOS][WK2] Push content bounds on layer tree commit to prevent drawing stale fixed position rects
Comment 1 Martin Hock 2015-01-08 13:40:50 PST 
Created attachment 244290 [details]
patch
Comment 2 Benjamin Poulain 2015-01-08 13:59:39 PST 
Comment on attachment 244290 [details]
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=244290&action=review

> Source/WebKit2/ChangeLog:8
> +

You should give the complete explanation of what is going wrong in the buggy case.

This is a tricky bug. At some point in the future, someone will wonder why we are pushing a VisibleContentRect updates on LayerTree commit. She/he should be able to get back this changelog and fully understand the problem.
Comment 3 Martin Hock 2015-01-12 16:30:50 PST 
Committed r178307: <http://trac.webkit.org/changeset/178307>