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

Jason Ekstrand jason at jlekstrand.net
Wed Jan 7 07:06:48 PST 2015


On Thu, Dec 25, 2014 at 1:46 PM, Keith Packard <keithp at keithp.com> wrote:

> 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.
>

The commit message is a lie.  It uses drmmode_create_bo which creates a gbm
buffer if we're using glamor and a dumb bo otherwise.  I'll fix the commit
message.


>
> --
> keith.packard at intel.com
>
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