[PATCH] modesetting: 24bpp are too confusing, shadow our way out.

Keith Packard keithp at keithp.com
Sat Jan 25 21:24:14 PST 2014

Dave Airlie <airlied at gmail.com> writes:

> Currently we seem to get a lot of broken rendering in qt, mesa, gnome
> if we expose the frontbuffer as 24bpp, nobody seems to test this
> anymore upstream so client side apps are constantly broken, so lets
> just make -modesetting expose a 24/32 shadow frontbuffer, and use
> the shadow update hook to convert down to the actual 24bpp front,
> this might be slower, but its correct and really anyone that wants
> this already has enough problems.

We should already be hiding this from clients -- 24bpp front buffer
exposes 32bpp images and shared memory pixmaps. Are you saying that
in-server software rendering to 24bpp object is broken?

keith.packard at intel.com
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