Improve renderscript context teardown. Track object in the system and then force their cleanup by releasing all user references once destroy context is called. Java layer will no longer send destroy notifications for objects garbage collected once a context is destroyed.

2 files changed, 33 insertions, 1 deletions

diff --git a/libs/rs/java/Fountain/src/com/android/fountain/Fountain.java b/libs/rs/java/Fountain/src/com/android/fountain/Fountain.java
index 58c78fa..9ae3e67 100644
--- a/libs/rs/java/Fountain/src/com/android/fountain/Fountain.java
+++ b/libs/rs/java/Fountain/src/com/android/fountain/Fountain.java
@@ -62,6 +62,8 @@ public class Fountain extends Activity {
 
     @Override
     protected void onResume() {
+        Log.e("rs", "onResume");
+
         // Ideally a game should implement onResume() and onPause()
         // to take appropriate action when the activity looses focus
         super.onResume();
@@ -70,12 +72,16 @@ public class Fountain extends Activity {
 
     @Override
     protected void onPause() {
+        Log.e("rs", "onPause");
+
         // Ideally a game should implement onResume() and onPause()
         // to take appropriate action when the activity looses focus
         super.onPause();
         mView.onPause();
 
-        Runtime.getRuntime().exit(0);
+
+
+        //Runtime.getRuntime().exit(0);
     }
 
 
diff --git a/libs/rs/java/Fountain/src/com/android/fountain/FountainView.java b/libs/rs/java/Fountain/src/com/android/fountain/FountainView.java
index 1b07f98..116afd0 100644
--- a/libs/rs/java/Fountain/src/com/android/fountain/FountainView.java
+++ b/libs/rs/java/Fountain/src/com/android/fountain/FountainView.java
@@ -49,14 +49,40 @@ public class FountainView extends RSSurfaceView {
     private RenderScript mRS;
     private FountainRS mRender;
 
+    private void destroyRS() {
+        if(mRS != null) {
+            mRS = null;
+            destroyRenderScript();
+        }
+        java.lang.System.gc();
+    }
+
     public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
         super.surfaceChanged(holder, format, w, h);
 
+        Log.e("rs", "surfaceChanged");
+        destroyRS();
+
+
         mRS = createRenderScript(false, true);
         mRender = new FountainRS();
         mRender.init(mRS, getResources(), w, h);
     }
 
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        // Surface will be destroyed when we return
+        Log.v("rs", "surfaceDestroyed");
+        destroyRS();
+
+        try {
+            java.lang.Thread.sleep(5000);
+        } catch(InterruptedException e) {
+
+        }
+        Runtime.getRuntime().exit(0);
+    }
+
+
 
     @Override
     public boolean onTouchEvent(MotionEvent ev)