Bug 135248

Summary: Subpixel rendering: Composited and non-composited layers are positioned/sized differently on scaled context.
Product: WebKit Reporter: zalan <zalan>
Component: Layout and RenderingAssignee: zalan <zalan>
Status: ASSIGNED ---    
Severity: Normal CC: simon.fraser
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Test reduction none

Description zalan 2014-07-24 12:17:18 PDT
Created attachment 235443 [details]
Test reduction

Composited layers take page scale into account when pixel snapping while non-composited layers only use device pixel factor (ignore page scale)
see attached test reduction.