EXA performance issue

Holger Freyther zecke at openmoko.org
Sat Jun 11 03:40:00 PDT 2011

On 06/09/2011 03:51 PM, prudhvi raj wrote:
> Hello,

> When we consider the web-page scrolling scenario, i guess it also must be
> making a call to XCopyArea() only finally to bitblit the entire window
> contents during scrolling.
> But when i test the performance using some auto scrolling webpage on my
> web-browser app, if EXA is enabled its getting worse.

do you have a WebKit/GTK+ that is scrolling without repainting? Compare with
ChromeClient::scroll (WebKit/gtk/WebCoreSupport/ChromeClientGtk.cpp) and see
if it is doing what you think it is doing.


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