diff --git a/include/ui/ISurface.h b/include/ui/ISurface.h
new file mode 100644
index 0000000..ca691f5
--- /dev/null
+++ b/include/ui/ISurface.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2007 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_ISURFACE_H
+#define ANDROID_ISURFACE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/IInterface.h>
+#include <utils/RefBase.h>
+#include <ui/PixelFormat.h>
+
+namespace android {
+
+typedef int32_t    SurfaceID;
+
+class IMemoryHeap;
+
+class ISurface : public IInterface
+{
+public: 
+    DECLARE_META_INTERFACE(Surface);
+
+    virtual status_t registerBuffers(int w, int h, int hstride, int vstride,
+            PixelFormat format, const sp<IMemoryHeap>& heap) = 0;
+
+    virtual void postBuffer(ssize_t offset) = 0; // one-way
+
+    virtual void unregisterBuffers() = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSurface : public BnInterface<ISurface>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_ISURFACE_H