[Spice-devel] [common PATCH 8/8 v3] ppc: Fix alpha state checking and clearing on BE machines

[Lukas Venhoda]

Hi

On Mon, Oct 26, 2015 at 2:19 PM, Christophe Fergeau <cfergeau at redhat.com>
wrote:

> On Thu, Oct 22, 2015 at 05:02:54PM +0200, Lukas Venhoda wrote:
> > When checking, whether we use alpha channel, we need to compare color
> > format with constant with the same byte order.
> >
> > When clearing alpha channel, we must clear in proper byte order.
>
> Regarding cleanup of alpha channel, there is clear_dest_alpha() in
> sw_canvas.c, is it all fine with respect to endianness handling?
>
> Christophe
>

Just tried this, and clear_dest_alpha() is endianess safe.
It is clearing the alpha before LE to BE conversion,
so it stays the same on BE machine.

Lukas Venhoda
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