Enabling more efficient transparent windowless painting

Brett Wilson brettw at google.com
Sat Apr 10 21:55:41 PDT 2010

On Sat, Apr 10, 2010 at 4:34 PM, Rafal Chlodnicki <rchl2k at gmail.com> wrote:
> On Fri, 09 Apr 2010 18:39:44 +0200, Carlos Pizano <cpu at google.com> wrote:
>> In case it was lost in the discussion is that in this mode you don't
>> have to capture bits and call into the plugin while scrolling. My
>> guess is that this will make scrolling like 10x better.
> Currently browsers do not request paint while scrolling either. Only do that
> when plugin moves into viewport.

When scrolling the plugin into view, there are many small paints. For
browsers that run plugins out of process, the performance hit is quite


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