Validate context when using RS objects.

BUG=6035422

Change-Id: I8586be0085b36767289e1f634111c0ff076cec3c

1 files changed, 8 insertions, 2 deletions

diff --git a/graphics/java/android/renderscript/BaseObj.java b/graphics/java/android/renderscript/BaseObj.java
index 2e55c48..f464f9b 100644
--- a/graphics/java/android/renderscript/BaseObj.java
+++ b/graphics/java/android/renderscript/BaseObj.java
@@ -43,16 +43,22 @@ public class BaseObj {
      * Lookup the native object ID for this object.  Primarily used by the
      * generated reflected code.
      *
+     * @param rs Context to verify against internal context for
+     *           match.
      *
      * @return int
      */
-    int getID() {
+    int getID(RenderScript rs) {
+        mRS.validate();
         if (mDestroyed) {
             throw new RSInvalidStateException("using a destroyed object.");
         }
         if (mID == 0) {
             throw new RSRuntimeException("Internal error: Object id 0.");
         }
+        if ((rs != null) && (rs != mRS)) {
+            throw new RSInvalidStateException("using object with mismatched context.");
+        }
         return mID;
     }
 
@@ -138,7 +144,7 @@ public class BaseObj {
      */
     void updateFromNative() {
         mRS.validate();
-        mName = mRS.nGetName(getID());
+        mName = mRS.nGetName(getID(mRS));
     }
 
     /**