On Sun, Dec 18, 2011 at 06:22:01PM +0200, Ville Syrjälä wrote: > Ever since xserver commit 531869448d07e00ae241120b59f3aaaa5709d59c, > the server no longer sends invalidate events to clients, unless they > have performed a GetBuffers request since the drawable was last > invalidated. > > If the drawable gets invalidated immediately after the GetBuffers > request was processed by the X server, it's possible that Xlib > will process the invalidate event while waiting for the GetBuffers > reply. So the server, thinking the client knows that the buffers > are invalid, is waiting for another GetBuffers request before > sending any more invalidate events. The client, on the other hand, > believes the buffers to be valid, and thus is expecting to receive > another invalidate event before it has to send another GetBuffers > request. The end result is that the client never again sends > a GetBuffers request. > > To avoid this problem, take a snapshot of lastStamp before > doing GetBuffers, and retry if the snapshot and the current > lastStamp no longer match after the GetBuffers reply has been > processed. > > Signed-off-by: Ville Syrjälä <syrj...@sci.fi>
Ping. Anyone interested in having Mesa 7.11 work with xserver >= 1.11? -- Ville Syrjälä syrj...@sci.fi http://www.sci.fi/~syrjala/ _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
