[PATCH 1/4] modesetting: Implement 32->24 bpp conversion in shadow update

[Eric Anholt]

Adam Jackson <ajax at redhat.com> writes:

> On Mon, 2015-07-27 at 13:29 -0700, Eric Anholt wrote:
>> It's clearly derived from fb/fb24_32.c.  But I'm not sure where
>> things would have switched from SuSE to keithp.
>> 
>> It does make me wonder why we don't just use fb's CopyArea to do the
>> job, though.
>
> shadow's not really set up that way in general, the dix code draws to a
> pixmap but the "front buffer" is arbitrary storage.  I guess you could
> wrap it in a scratch pixmap header for this case, but that would be
> true of shpacked.c too.

Yeah, that's what I was thinking.
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