[webkit-dev] Gtk scroll improvement

[zaheer ahmad]

hi,
iam looking at improving scroll perf on webkit gtk port and came across this
patch https://bugs.webkit.org/show_bug.cgi?id=15070 that uses double buffer.

Taking the patch only vertical scroll down seems to work. i was suspecting
-ve values in gdk_draw_drawable scrollStore when dx/dy is <0, but that did
not help..

Also is there a way to capture the backing store data to an image (similar
to cairo write to png). could not find one.

Appreciate any inputs on this.

thanks,
Zaheer
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