[PATCH xserver 3/4] glamor: Don't fail in glamor_get_formats if not dmabuf_capable.

[Adam Jackson]

On Mon, 2018-04-30 at 09:06 +0200, Mario Kleiner wrote:
> If dmabuf_capable is false, because the server "dmabuf_capable"
> debug flag isn't set, treat it as successfull query with zero
> returned formats, instead of failure.
> 
> This allows the servers cache_formats_and_modifiers() function
> to cache the fact that formats are not supported during the
> current server generation, instead of pointless retesting at
> every invocation.
> 
> Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>

Merged 1-3:

remote: I: patch #219611 updated using rev fbc5c5cd532962d2df96a04e5c8cc0d21b47b08a.
remote: I: patch #219612 updated using rev 55db3c9cfc1bc92a53b75b99e8fa49a32d7efe63.
remote: I: patch #219613 updated using rev e00ada9fbbddf4570fe38c3ceeb922af7afcfd1a.
remote: I: 3 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   19d006ee3d..e00ada9fbb  master -> master

4 is identical with the one Louis-Francis sent, so earlier wins.

- ajax