Share the OpenAL context if one is already created.

core/src/main/java/com/threerings/openal/SoundManager.java

@@ -77,7 +77,7 @@ public class SoundManager
      */
     public void shutdown ()
     {
-        if (isInitialized()) {
+        if (isInitialized() && !_sharingAL) {
             AL.destroy();
         }
     }
@@ -201,6 +201,9 @@ public class SoundManager
         _rqueue = rqueue;
 
         // initialize the OpenAL sound system
+        if (AL.isCreated()) {
+            _sharingAL = true;
+        } else {
             try {
                 AL.create("", 44100, 15, false);
             } catch (Exception e) {
@@ -215,6 +218,7 @@ public class SoundManager
                 // don't start the background loading thread
                 return;
             }
+        }
 
         // configure our LRU map with a removal observer
         _clips.setRemovalObserver(new LRUHashMap.RemovalObserver<String, ClipBuffer>() {
@@ -411,6 +415,9 @@ public class SoundManager
         }
     };
 
+    /** Whether or not we're sharing an AL context that someone else created. */
+    protected boolean _sharingAL;
+
     /** Used to get back from the background thread to our "main" thread. */
     protected RunQueue _rqueue;