Add cube GtkGL example

[grits] / src / grits-viewer.h

diff --git a/src/grits-viewer.h b/src/grits-viewer.h
index fa9fc079694b2789153840d7d54032e9e26de5d8..581751edfa10369763e18bda7637c9252ef8c8e1 100644 (file)
--- a/src/grits-viewer.h
+++ b/src/grits-viewer.h
@@ -122,6 +122,7 @@ struct _GritsViewer {
 
        /* For queue_draw */
        guint   draw_source;
+       GMutex  draw_lock;
 };
 
 struct _GritsViewerClass {