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-rw-r--r--GL/glx/glxscreens.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/GL/glx/glxscreens.h b/GL/glx/glxscreens.h
index 8beec17ec..a7700f649 100644
--- a/GL/glx/glxscreens.h
+++ b/GL/glx/glxscreens.h
@@ -62,6 +62,8 @@ struct __GLXscreen {
DrawablePtr pDraw,
XID drawId,
__GLcontextModes *modes);
+ int (*swapInterval) (__GLXdrawable *drawable,
+ int interval);
ScreenPtr pScreen;