[PATCH 2/2] composite: Don't backfill non-MapWindow allocations

[Aaron Plattner]

On Thu, May 06, 2010 at 07:34:58AM -0700, Adam Jackson wrote:
> On Wed, 2010-05-05 at 17:20 -0700, Aaron Plattner wrote:
> > Just to make sure I understand this right, does this work because the
> > compReallocPixmap callers always go through the compCopyWindow path and use
> > CopyArea to initialize the new pixmap?  It would be nice if that were
> > described in the commit log, and maybe in the source code.
>
> They take a circuitous route to get there, but yes, that's the intent.

Okay, cool.  What about bg=None windows being resized to a larger size?
Doesn't the newly-created portion of the window need to be backfilled from
the screen?

I can't help but think that this would all be simpler if Composite could
wrap PaintWindow.  ;)

-- Aaron