QPixmap vs. QImage

Zack Rusin zack at kde.org
Wed Nov 11 20:45:07 CET 2009


On Wednesday 11 November 2009 14:34:36 Aaron J. Seigo wrote:
> On November 11, 2009, Zack Rusin wrote:
> > So when we start a desktop for the first time we should run a quick
> > representatives benchmark that will tell us whether GL is fast enough,
> >  whether Xrender is fast enough or whether we should use raster. Encode
> >  that result in a cpu/gpu/driver version key and store it (rerun if the
> > key changes). Depending on the result we should store what graphicssystem
> > Qt should be using globally. Then always use QPixmap. Qt, depending on
> > which
> 
> makes sense; we could experiment with it plasma-desktop first and if it
>  proves itself move it to an at-log-in service (in kded?) and set the key
>  in kdeglobal.

That shiznit would be even simpler. We can "-graphicsystem trace" a hardcore 
plasma-desktop session, then on startup replay it 0.33 second with raster, 
native and opengl engines, figure out which one was the fastest and get plasma-
desktop to start with that graphicssystem. Problem solved!


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