Fix Fl_Xdbe_Window_Driver::destroy_double_buffer() for an Fl_Overlay_…

…Window. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11391 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
fltk · Mar 20, 2016 · e4c90de · e4c90de
1 parent 02edfc2
commit e4c90de
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/drivers/X11/Fl_X11_Window_Driver.cxx b/src/drivers/X11/Fl_X11_Window_Driver.cxx
@@ -68,6 +68,7 @@ class Fl_Xdbe_Window_Driver : public Fl_X11_Window_Driver {
 };
 
 void Fl_Xdbe_Window_Driver::destroy_double_buffer() {
+  if (pWindow->as_overlay_window()) return Fl_X11_Window_Driver::destroy_double_buffer();
     Fl_X *i = Fl_X::i(pWindow);
     XdbeDeallocateBackBufferName(fl_display, i->other_xid);
     i->other_xid = 0;