Bug 77825 (BgImageRepaint)

Summary: Background image with fixed position Repainting causes huge performance hits
Product: WebKit Reporter: Zach <ztratar>
Component: ImagesAssignee: Nobody <webkit-unassigned>
Status: UNCONFIRMED ---    
Severity: Major    
Priority: P4    
Version: 525.x (Safari 3.2)   
Hardware: Mac (Intel)   
OS: OS X 10.6   

Description Zach 2012-02-04 22:43:29 PST 
With CSS3 developers will be using the background-size: cover a large amount.

When setting this property, any site with a considerable amount of scrolling has a huge performance hit. On larger browser windows, the problem scales linearly.