[PATCH 2/4] modesetting: Use a gbm buffer for shadow if we can

[Keith Packard]

Jason Ekstrand <jason at jlekstrand.net> writes:

> Signed-off-by: Jason Ekstrand <jason.ekstrand at intel.com>

We probably only want to use a gbm buffer if we're using glamor;
otherwise, it's possible we'll get potentially slow video memory for our
software rendering path, and that would defeat most of the reason for
using a shadow frame buffer.

-- 
keith.packard at intel.com
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