diff --git a/rsThreadIO.cpp b/rsThreadIO.cpp
new file mode 100644
index 0000000..d5ac70b
--- /dev/null
+++ b/rsThreadIO.cpp
@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+#include "rsContext.h"
+
+#include <utils/Log.h>
+
+#include "rsThreadIO.h"
+
+using namespace android;
+using namespace android::renderscript;
+
+ThreadIO *android::renderscript::gIO = NULL;
+
+ThreadIO::ThreadIO()
+{
+    mToCore.init(16 * 1024);
+}
+
+ThreadIO::~ThreadIO()
+{
+}
+
+void ThreadIO::playCoreCommands(Context *con)
+{
+    //LOGE("playCoreCommands 1");
+    uint32_t cmdID = 0;
+    uint32_t cmdSize = 0;
+    while(!mToCore.isEmpty()) {
+        //LOGE("playCoreCommands 2");
+        const void * data = mToCore.get(&cmdID, &cmdSize);
+        //LOGE("playCoreCommands 3 %i %i", cmdID, cmdSize);
+
+        gPlaybackFuncs[cmdID](con, data);
+        //LOGE("playCoreCommands 4");
+
+        mToCore.next();
+        //LOGE("playCoreCommands 5");
+    }
+}
+
+