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
noticeable.

Brett


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