[compiz] Re: [PATCH] Resize improvements (Multiple resize modes, better aspect ratio constraining)

[Matt Russell]

So is the poor resize performance seen on Nvidia cards caused by the
drivers and not compiz?

On Thu, 2007-04-19 at 12:38 -0400, David Reveman wrote:
> On Thu, 2007-04-19 at 09:41 +0100, Colin Guthrie wrote:
> > Anders Storsveen wrote:
> > > how can vista resizing and redrawing be so fast, while compiz and osx'
> > > resizing is slow? as I understand it, vista also uses composition in
> > > their aero-glass stuff too.
> > 
> > ????
> > 
> > Seems pretty fast resizing here? Can you be more descriptive? Do you
> > mean on certain applications adapting to the resized space and changing
> > their layout accordingly (e.g. a webpage in Firefox) or do you mean
> > literally the resizing part (that part which compiz does)?
> 
> Compiz has very little to do with resize performance. It's all about
> offscreen memory management and how fast applications can redraw. Any
> alternative resize modes that compiz might use like stretching is only
> ways to avoid resizing.
> 
> There's server side changes that can be made to improve resize
> performance but not much that can be done in compiz itself.
> 
> btw, if you've been able to use the video plugin and the video interface
> I added recently you'll see how good resize performance you can get when
> the server and application doesn't have to be involved.
> 
> - David
> 
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