[PULL] glamor-next

[Markus Wick]

Am 2015-03-26 03:33, schrieb Eric Anholt:
> The only reason _nf is useful is if you need to implement faster
> software fallbacks -- otherwise, you should wrap above glamor, since 
> _nf
> would have been equivalent to calling down.

For faster fallbacks, we could delay the uploading part at the end of 
the fallback. So if the next call is also a fallback, we'd not have to 
readback it again.
But this is in opposition to only readback the affected part of the 
pixmap.