Shutdown: clear effects cleanly.

Avoids effects (and referenced properties / objects within) persisting
due to references in the effects cache, after globals are gone.

diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index 7756a6d0cdeae0118688b3f40f38915957bf6f6d..f64e0d38a19de57af3a45638115f7ed9f06f61f1 100644 (file)
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -37,6 +37,7 @@
 #include <simgear/canvas/VGInitOperation.hxx>
 #include <simgear/scene/model/modellib.hxx>
 #include <simgear/scene/material/matlib.hxx>
+#include <simgear/scene/material/Effect.hxx>
 #include <simgear/props/AtomicChangeListener.hxx>
 #include <simgear/props/props.hxx>
 #include <simgear/timing/sg_time.hxx>
@@ -433,6 +434,8 @@ int fgMainInit( int argc, char **argv ) {
     frame_signal.clear();
     fgOSCloseWindow();
     
+    simgear::clearEffectCache();
+    
     // clean up here; ensure we null globals to avoid
     // confusing the atexit() handler
     delete globals;