merge from eclair

1 files changed, 139 insertions, 0 deletions

diff --git a/libs/rs/rsObjectBase.h b/libs/rs/rsObjectBase.h
new file mode 100644
index 000000000000..dc85ac7b21e3
--- /dev/null
+++ b/libs/rs/rsObjectBase.h
@@ -0,0 +1,139 @@
+/*
+ * 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 {
+
+class Context;
+
+// An element is a group of Components that occupies one cell in a structure.
+class ObjectBase
+{
+public:
+    ObjectBase(Context *rsc);
+    virtual ~ObjectBase();
+
+    void incSysRef() const;
+    bool decSysRef() const;
+
+    void incUserRef() const;
+    bool decUserRef() const;
+    bool zeroUserRef() const;
+
+    const char * getName() const {
+        return mName;
+    }
+    void setName(const char *);
+    void setName(const char *, uint32_t len);
+
+    Context * getContext() const {return mRSC;}
+    void setContext(Context *);
+
+    static void zeroAllUserRef(Context *rsc);
+
+    virtual void dumpLOGV(const char *prefix) const;
+
+protected:
+    const char *mAllocFile;
+    uint32_t mAllocLine;
+
+private:
+    void add() const;
+    void remove() const;
+
+    bool checkDelete() const;
+
+    char * mName;
+    Context *mRSC;
+    mutable int32_t mSysRefCount;
+    mutable int32_t mUserRefCount;
+
+    mutable const ObjectBase * mPrev;
+    mutable const ObjectBase * mNext;
+};
+
+template<class T>
+class ObjectBaseRef
+{
+public:
+    ObjectBaseRef() {
+        mRef = NULL;
+    }
+
+    ObjectBaseRef(const ObjectBaseRef &ref) {
+        mRef = ref.get();
+        if (mRef) {
+            mRef->incSysRef();
+        }
+    }
+
+    ObjectBaseRef(T *ref) {
+        mRef = ref;
+        if (mRef) {
+            ref->incSysRef();
+        }
+    }
+
+    ~ObjectBaseRef() {
+        clear();
+    }
+
+    void set(T *ref) {
+        if (mRef != ref) {
+            clear();
+            mRef = ref;
+            if (mRef) {
+                ref->incSysRef();
+            }
+        }
+    }
+
+    void set(const ObjectBaseRef &ref) {
+        set(ref.mRef);
+    }
+
+    void clear() {
+        if (mRef) {
+            mRef->decSysRef();
+        }
+        mRef = NULL;
+    }
+
+    inline T * get() const {
+        return mRef;
+    }
+
+    inline T * operator-> () const {
+        return mRef;
+    }
+
+protected:
+    T * mRef;
+
+};
+
+
+}
+}
+
+#endif //ANDROID_RS_OBJECT_BASE_H
+