Add option to control swapbuffers behavior

Until we get triple buffering, we'll want this so users can avoid taking a
performance hit on apps that render slower than the refresh rate.

Fixes fdo bug #22234.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/i830.h b/src/i830.h
index 19b189c2..6825e77e 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -414,6 +414,7 @@ typedef struct _I830Rec {
 
    Bool tiling;
    Bool fb_compression;
+   Bool swapbuffers_wait;
 
    Bool CursorNeedsPhysical;