When using an
--pixel-depth=30 and a client with a 24 bit display (that's over 99% of them), we convert
BGRA and only restride afterwards.
So we end up copying huge amounts of data, only to discard it on the next step.
Done in r26891.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2773