[PATCH v3 7/7] composite: Provide a CopyArea based compWindowUpdateAutomatic

Ville Syrjälä ville.syrjala at nokia.com
Tue Jan 4 08:40:06 PST 2011

On Tue, Jan 04, 2011 at 08:16:18AM -0800, ext Keith Packard wrote:
> On Tue,  4 Jan 2011 17:55:53 +0200, ville.syrjala at nokia.com wrote:
> > From: Ville Syrjälä <ville.syrjala at nokia.com>
> > 
> > Use CopyArea in compWindowUpdateAutomatic if the window and parent
> > depths match. It appears EXA Composite op can already switch to
> > a straight copy when the conditions are right, but non-EXA drivers
> > would fall back to software rendering.
> XAA also handles this case, so I don't think this is necessary.

Ah, so it does. I just assumed it didn't, based on the fact that
compNewPixmap already had the CopyArea path in addition to the
CompositePicture path. Is there another reason why compNewPixmap
should be treated differently, or could we just eliminate the CopyArea
path there?

Ville Syrjälä

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