diff --git a/rsFileA3DDecls.h b/rsFileA3DDecls.h
new file mode 100644
index 0000000..2a08bd3
--- /dev/null
+++ b/rsFileA3DDecls.h
@@ -0,0 +1,44 @@
+/*
+ * 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_FILE_A3D_DECLS_H
+#define ANDROID_RS_FILE_A3D_DECLS_H
+
+
+#define A3D_MAGIC_KEY "Android3D_ff"
+
+namespace android {
+namespace renderscript {
+
+    enum A3DChunkType {
+        CHUNK_EMPTY,
+
+        CHUNK_ELEMENT,
+        CHUNK_ELEMENT_SOURCE,
+        CHUNK_VERTICIES,
+        CHUNK_MESH,
+        CHUNK_PRIMITIVE,
+
+        CHUNK_LAST
+    };
+
+
+}
+}
+#endif //ANDROID_RS_FILE_A3D_H
+
+
+