1 files changed, 90 insertions, 0 deletions
diff --git a/libs/rs/rsObjectBase.h b/libs/rs/rsObjectBase.h
new file mode 100644
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--- /dev/null
+++ b/libs/rs/rsObjectBase.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_RS_OBJECT_BASE_H
+#define ANDROID_RS_OBJECT_BASE_H
+
+#include "rsUtils.h"
+
+
+namespace android {
+namespace renderscript {
+
+// An element is a group of Components that occupies one cell in a structure.
+class ObjectBase
+{
+public:
+    ObjectBase();
+    virtual ~ObjectBase();
+
+    void incRef() const;
+    void decRef() const;
+
+private:
+    mutable int32_t mRefCount;
+
+
+};
+
+template<class T> 
+class ObjectBaseRef 
+{
+public:
+    ObjectBaseRef() {
+        mRef = NULL;
+    }
+
+    ~ObjectBaseRef() {
+        clear();
+    }
+
+    void set(T *ref) {
+        if (mRef != ref) {
+            clear();
+            mRef = ref;
+            ref->incRef();
+        }
+    }
+
+    void clear() {
+        if (mRef) {
+            mRef->decRef();
+        }
+        mRef = NULL;
+    }
+
+    inline T * get() const {
+        return mRef;
+    }
+
+    inline T * operator-> () const { 
+        return mRef;  
+    }
+
+protected:
+    T * mRef;
+
+private:
+    ObjectBaseRef(const ObjectBaseRef &) {};
+
+};
+
+
+}
+}
+
+#endif //ANDROID_RS_OBJECT_BASE_H
+