We'd previously take the copy path. If we were actually flipping (in
which case skipped frames are more likely to occur), we'd ping-pong
between a smaller and larger number of back buffers, and frame-rate
could vary / take a dip due to the buffer management overhead.
While I'm not sure this is actually possible to hit at this point, it
definitely will be with the next change.
Cc: mesa-stable
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7033>
draw->max_num_back = 3;
break;
+ case XCB_PRESENT_COMPLETE_MODE_SKIP:
+ break;
+
default:
/* On transition from flips to copies, start with a single buffer again,
* a second one will be allocated if needed