diff --git a/include/surfaceflinger/ISurface.h b/include/surfaceflinger/ISurface.h
new file mode 100644
index 0000000..472f759
--- /dev/null
+++ b/include/surfaceflinger/ISurface.h
@@ -0,0 +1,112 @@
+/*
+ * 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_SF_ISURFACE_H
+#define ANDROID_SF_ISURFACE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <binder/IInterface.h>
+
+#include <ui/PixelFormat.h>
+
+#include <hardware/hardware.h>
+#include <hardware/gralloc.h>
+
+namespace android {
+
+typedef int32_t    SurfaceID;
+
+class IMemoryHeap;
+class OverlayRef;
+class GraphicBuffer;
+
+class ISurface : public IInterface
+{
+protected:
+    enum {
+        REGISTER_BUFFERS = IBinder::FIRST_CALL_TRANSACTION,
+        UNREGISTER_BUFFERS,
+        POST_BUFFER, // one-way transaction
+        CREATE_OVERLAY,
+        REQUEST_BUFFER,
+    };
+
+public: 
+    DECLARE_META_INTERFACE(Surface);
+
+    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage) = 0; 
+    
+    class BufferHeap {
+    public:
+        enum {
+            /* rotate source image */
+            ROT_0     = 0,
+            ROT_90    = HAL_TRANSFORM_ROT_90,
+            ROT_180   = HAL_TRANSFORM_ROT_180,
+            ROT_270   = HAL_TRANSFORM_ROT_270,
+        };
+        BufferHeap();
+        
+        BufferHeap(uint32_t w, uint32_t h,
+                int32_t hor_stride, int32_t ver_stride, 
+                PixelFormat format, const sp<IMemoryHeap>& heap);
+        
+        BufferHeap(uint32_t w, uint32_t h,
+                int32_t hor_stride, int32_t ver_stride, 
+                PixelFormat format, uint32_t transform, uint32_t flags,
+                const sp<IMemoryHeap>& heap);
+        
+        ~BufferHeap(); 
+        
+        uint32_t w;
+        uint32_t h;
+        int32_t hor_stride;
+        int32_t ver_stride;
+        PixelFormat format;
+        uint32_t transform;
+        uint32_t flags;
+        sp<IMemoryHeap> heap;
+    };
+    
+    virtual status_t registerBuffers(const BufferHeap& buffers) = 0;
+    virtual void postBuffer(ssize_t offset) = 0; // one-way
+    virtual void unregisterBuffers() = 0;
+    
+    virtual sp<OverlayRef> createOverlay(
+            uint32_t w, uint32_t h, int32_t format, int32_t orientation) = 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_SF_ISURFACE_H
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
new file mode 100644
index 0000000..d1e7785
--- /dev/null
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2006 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_SF_ISURFACE_COMPOSER_H
+#define ANDROID_SF_ISURFACE_COMPOSER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/Errors.h>
+
+#include <binder/IInterface.h>
+
+#include <ui/PixelFormat.h>
+
+#include <surfaceflinger/ISurfaceFlingerClient.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+class ISurfaceComposer : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(SurfaceComposer);
+
+    enum { // (keep in sync with Surface.java)
+        eHidden             = 0x00000004,
+        eDestroyBackbuffer  = 0x00000020,
+        eSecure             = 0x00000080,
+        eNonPremultiplied   = 0x00000100,
+        ePushBuffers        = 0x00000200,
+
+        eFXSurfaceNormal    = 0x00000000,
+        eFXSurfaceBlur      = 0x00010000,
+        eFXSurfaceDim       = 0x00020000,
+        eFXSurfaceMask      = 0x000F0000,
+    };
+
+    enum {
+        ePositionChanged            = 0x00000001,
+        eLayerChanged               = 0x00000002,
+        eSizeChanged                = 0x00000004,
+        eAlphaChanged               = 0x00000008,
+        eMatrixChanged              = 0x00000010,
+        eTransparentRegionChanged   = 0x00000020,
+        eVisibilityChanged          = 0x00000040,
+        eFreezeTintChanged          = 0x00000080,
+    };
+
+    enum {
+        eLayerHidden        = 0x01,
+        eLayerFrozen        = 0x02,
+        eLayerDither        = 0x04,
+        eLayerFilter        = 0x08,
+        eLayerBlurFreeze    = 0x10
+    };
+
+    enum {
+        eOrientationDefault     = 0,
+        eOrientation90          = 1,
+        eOrientation180         = 2,
+        eOrientation270         = 3,
+        eOrientationSwapMask    = 0x01
+    };
+    
+    // flags for setOrientation
+    enum {
+        eOrientationAnimationDisable = 0x00000001
+    };
+
+    /* create connection with surface flinger, requires
+     * ACCESS_SURFACE_FLINGER permission
+     */
+
+    virtual sp<ISurfaceFlingerClient> createConnection() = 0;
+
+    /* retrieve the control block */
+    virtual sp<IMemoryHeap> getCblk() const = 0;
+
+    /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
+    virtual void openGlobalTransaction() = 0;
+    virtual void closeGlobalTransaction() = 0;
+
+    /* [un]freeze display. requires ACCESS_SURFACE_FLINGER permission */
+    virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) = 0;
+    virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) = 0;
+
+    /* Set display orientation. requires ACCESS_SURFACE_FLINGER permission */
+    virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags) = 0;
+
+    /* signal that we're done booting.
+     * Requires ACCESS_SURFACE_FLINGER permission
+     */
+    virtual void bootFinished() = 0;
+
+    /* Signal surfaceflinger that there might be some work to do
+     * This is an ASYNCHRONOUS call.
+     */
+    virtual void signal() const = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSurfaceComposer : public BnInterface<ISurfaceComposer>
+{
+public:
+    enum {
+        // Note: BOOT_FINISHED must remain this value, it is called from
+        // Java by ActivityManagerService.
+        BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
+        CREATE_CONNECTION,
+        GET_CBLK,
+        OPEN_GLOBAL_TRANSACTION,
+        CLOSE_GLOBAL_TRANSACTION,
+        SET_ORIENTATION,
+        FREEZE_DISPLAY,
+        UNFREEZE_DISPLAY,
+        SIGNAL
+    };
+
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_SF_ISURFACE_COMPOSER_H
diff --git a/include/surfaceflinger/ISurfaceFlingerClient.h b/include/surfaceflinger/ISurfaceFlingerClient.h
new file mode 100644
index 0000000..1fba162
--- /dev/null
+++ b/include/surfaceflinger/ISurfaceFlingerClient.h
@@ -0,0 +1,90 @@
+/*
+ * 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_SF_ISURFACE_FLINGER_CLIENT_H
+#define ANDROID_SF_ISURFACE_FLINGER_CLIENT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <binder/IInterface.h>
+
+#include <ui/PixelFormat.h>
+  
+#include <surfaceflinger/ISurface.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class IMemoryHeap;
+
+typedef int32_t    ClientID;
+typedef int32_t    DisplayID;
+
+// ----------------------------------------------------------------------------
+
+class layer_state_t;
+
+class ISurfaceFlingerClient : public IInterface
+{
+public: 
+    DECLARE_META_INTERFACE(SurfaceFlingerClient);
+
+    struct surface_data_t {
+        int32_t             token;
+        int32_t             identity;
+        uint32_t            width;
+        uint32_t            height;
+        uint32_t            format;
+        status_t readFromParcel(const Parcel& parcel);
+        status_t writeToParcel(Parcel* parcel) const;
+    };
+    
+    virtual sp<IMemoryHeap> getControlBlock() const = 0;
+
+    virtual sp<ISurface> createSurface( surface_data_t* data,
+                                        int pid, 
+                                        DisplayID display,
+                                        uint32_t w,
+                                        uint32_t h,
+                                        PixelFormat format,
+                                        uint32_t flags) = 0;
+                                    
+    virtual status_t    destroySurface(SurfaceID sid) = 0;
+
+    virtual status_t    setState(int32_t count, const layer_state_t* states) = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSurfaceFlingerClient : public BnInterface<ISurfaceFlingerClient>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_SF_ISURFACE_FLINGER_CLIENT_H
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h
new file mode 100644
index 0000000..9808832
--- /dev/null
+++ b/include/surfaceflinger/Surface.h
@@ -0,0 +1,254 @@
+/*
+ * 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_SF_SURFACE_H
+#define ANDROID_SF_SURFACE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+#include <ui/PixelFormat.h>
+#include <ui/Region.h>
+#include <ui/egl/android_natives.h>
+
+#include <surfaceflinger/ISurface.h>
+#include <surfaceflinger/ISurfaceFlingerClient.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class GraphicBufferMapper;
+class IOMX;
+class Rect;
+class Surface;
+class SurfaceComposerClient;
+class SharedClient;
+class SharedBufferClient;
+
+// ---------------------------------------------------------------------------
+
+class SurfaceControl : public RefBase
+{
+public:
+    static bool isValid(const sp<SurfaceControl>& surface) {
+        return (surface != 0) && surface->isValid();
+    }
+    bool isValid() {
+        return mToken>=0 && mClient!=0;
+    }
+    static bool isSameSurface(
+            const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs);
+        
+    SurfaceID   ID() const      { return mToken; }
+    uint32_t    getFlags() const { return mFlags; }
+    uint32_t    getIdentity() const { return mIdentity; }
+
+    // release surface data from java
+    void        clear();
+    
+    status_t    setLayer(int32_t layer);
+    status_t    setPosition(int32_t x, int32_t y);
+    status_t    setSize(uint32_t w, uint32_t h);
+    status_t    hide();
+    status_t    show(int32_t layer = -1);
+    status_t    freeze();
+    status_t    unfreeze();
+    status_t    setFlags(uint32_t flags, uint32_t mask);
+    status_t    setTransparentRegionHint(const Region& transparent);
+    status_t    setAlpha(float alpha=1.0f);
+    status_t    setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
+    status_t    setFreezeTint(uint32_t tint);
+
+    static status_t writeSurfaceToParcel(
+            const sp<SurfaceControl>& control, Parcel* parcel);
+
+    sp<Surface> getSurface() const;
+
+private:
+    // can't be copied
+    SurfaceControl& operator = (SurfaceControl& rhs);
+    SurfaceControl(const SurfaceControl& rhs);
+
+    
+    friend class SurfaceComposerClient;
+
+    // camera and camcorder need access to the ISurface binder interface for preview
+    friend class Camera;
+    friend class MediaRecorder;
+    // mediaplayer needs access to ISurface for display
+    friend class MediaPlayer;
+    // for testing
+    friend class Test;
+    const sp<ISurface>& getISurface() const { return mSurface; }
+    
+
+    friend class Surface;
+
+    SurfaceControl(
+            const sp<SurfaceComposerClient>& client,
+            const sp<ISurface>& surface,
+            const ISurfaceFlingerClient::surface_data_t& data,
+            uint32_t w, uint32_t h, PixelFormat format, uint32_t flags);
+
+    ~SurfaceControl();
+
+    status_t validate() const;
+    void destroy();
+    
+    sp<SurfaceComposerClient>   mClient;
+    sp<ISurface>                mSurface;
+    SurfaceID                   mToken;
+    uint32_t                    mIdentity;
+    uint32_t                    mWidth;
+    uint32_t                    mHeight;
+    PixelFormat                 mFormat;
+    uint32_t                    mFlags;
+    mutable Mutex               mLock;
+    
+    mutable sp<Surface>         mSurfaceData;
+};
+    
+// ---------------------------------------------------------------------------
+
+class Surface 
+    : public EGLNativeBase<android_native_window_t, Surface, RefBase>
+{
+public:
+    struct SurfaceInfo {
+        uint32_t    w;
+        uint32_t    h;
+        uint32_t    s;
+        uint32_t    usage;
+        PixelFormat format;
+        void*       bits;
+        uint32_t    reserved[2];
+    };
+
+    Surface(const Parcel& data);
+
+    static bool isValid(const sp<Surface>& surface) {
+        return (surface != 0) && surface->isValid();
+    }
+
+    static bool isSameSurface(
+            const sp<Surface>& lhs, const sp<Surface>& rhs);
+
+    bool        isValid();
+    SurfaceID   ID() const          { return mToken; }
+    uint32_t    getFlags() const    { return mFlags; }
+    uint32_t    getIdentity() const { return mIdentity; }
+
+    // the lock/unlock APIs must be used from the same thread
+    status_t    lock(SurfaceInfo* info, bool blocking = true);
+    status_t    lock(SurfaceInfo* info, Region* dirty, bool blocking = true);
+    status_t    unlockAndPost();
+
+    // setSwapRectangle() is intended to be used by GL ES clients
+    void        setSwapRectangle(const Rect& r);
+
+private:
+    // can't be copied
+    Surface& operator = (Surface& rhs);
+    Surface(const Surface& rhs);
+
+    Surface(const sp<SurfaceControl>& control);
+    void init();
+     ~Surface();
+  
+    friend class SurfaceComposerClient;
+    friend class SurfaceControl;
+
+    
+    // camera and camcorder need access to the ISurface binder interface for preview
+    friend class Camera;
+    friend class MediaRecorder;
+    // mediaplayer needs access to ISurface for display
+    friend class MediaPlayer;
+    friend class IOMX;
+    // this is just to be able to write some unit tests
+    friend class Test;
+
+    sp<SurfaceComposerClient> getClient() const;
+    sp<ISurface> getISurface() const;
+
+    status_t getBufferLocked(int index, int usage);
+   
+           status_t validate() const;
+
+    inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
+    inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
+    
+    static int setSwapInterval(android_native_window_t* window, int interval);
+    static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
+    static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+    static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+    static int query(android_native_window_t* window, int what, int* value);
+    static int perform(android_native_window_t* window, int operation, ...);
+
+    int dequeueBuffer(android_native_buffer_t** buffer);
+    int lockBuffer(android_native_buffer_t* buffer);
+    int queueBuffer(android_native_buffer_t* buffer);
+    int query(int what, int* value);
+    int perform(int operation, va_list args);
+
+    status_t dequeueBuffer(sp<GraphicBuffer>* buffer);
+
+    
+    void setUsage(uint32_t reqUsage);
+    uint32_t getUsage() const;
+    
+    // constants
+    sp<SurfaceComposerClient>   mClient;
+    sp<ISurface>                mSurface;
+    SurfaceID                   mToken;
+    uint32_t                    mIdentity;
+    PixelFormat                 mFormat;
+    uint32_t                    mFlags;
+    GraphicBufferMapper&        mBufferMapper;
+    SharedBufferClient*         mSharedBufferClient;
+
+    // protected by mSurfaceLock
+    Rect                        mSwapRectangle;
+    uint32_t                    mUsage;
+    
+    // protected by mSurfaceLock. These are also used from lock/unlock
+    // but in that case, they must be called form the same thread.
+    sp<GraphicBuffer>           mBuffers[2];
+    mutable Region              mDirtyRegion;
+
+    // must be used from the lock/unlock thread
+    sp<GraphicBuffer>           mLockedBuffer;
+    sp<GraphicBuffer>           mPostedBuffer;
+    mutable Region              mOldDirtyRegion;
+    bool                        mNeedFullUpdate;
+
+    // query() must be called from dequeueBuffer() thread
+    uint32_t                    mWidth;
+    uint32_t                    mHeight;
+
+    // Inherently thread-safe
+    mutable Mutex               mSurfaceLock;
+    mutable Mutex               mApiLock;
+};
+
+}; // namespace android
+
+#endif // ANDROID_SF_SURFACE_H
+
diff --git a/include/surfaceflinger/SurfaceComposerClient.h b/include/surfaceflinger/SurfaceComposerClient.h
new file mode 100644
index 0000000..49e83c0
--- /dev/null
+++ b/include/surfaceflinger/SurfaceComposerClient.h
@@ -0,0 +1,163 @@
+/*
+ * 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_SF_SURFACE_COMPOSER_CLIENT_H
+#define ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/IBinder.h>
+
+#include <utils/SortedVector.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+#include <ui/PixelFormat.h>
+#include <ui/Region.h>
+
+#include <surfaceflinger/Surface.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class Region;
+class SharedClient;
+class ISurfaceComposer;
+class DisplayInfo;
+
+class SurfaceComposerClient : virtual public RefBase
+{
+public:    
+                SurfaceComposerClient();
+    virtual     ~SurfaceComposerClient();
+
+    // Always make sure we could initialize
+    status_t    initCheck() const;
+
+    // Return the connection of this client
+    sp<IBinder> connection() const;
+    
+    // Retrieve a client for an existing connection.
+    static sp<SurfaceComposerClient>
+                clientForConnection(const sp<IBinder>& conn);
+
+    // Forcibly remove connection before all references have gone away.
+    void        dispose();
+
+    // ------------------------------------------------------------------------
+    // surface creation / destruction
+
+    //! Create a surface
+    sp<SurfaceControl> createSurface(
+            int pid,            // pid of the process the surface is for
+            DisplayID display,  // Display to create this surface on
+            uint32_t w,         // width in pixel
+            uint32_t h,         // height in pixel
+            PixelFormat format, // pixel-format desired
+            uint32_t flags = 0  // usage flags
+    );
+
+    // ------------------------------------------------------------------------
+    // Composer parameters
+    // All composer parameters must be changed within a transaction
+    // several surfaces can be updated in one transaction, all changes are
+    // committed at once when the transaction is closed.
+    // CloseTransaction() usually requires an IPC with the server.
+    
+    //! Open a composer transaction
+    status_t    openTransaction();
+
+    //! commit the transaction
+    status_t    closeTransaction();
+
+    //! Open a composer transaction on all active SurfaceComposerClients.
+    static void openGlobalTransaction();
+        
+    //! Close a composer transaction on all active SurfaceComposerClients.
+    static void closeGlobalTransaction();
+    
+    //! Freeze the specified display but not transactions.
+    static status_t freezeDisplay(DisplayID dpy, uint32_t flags = 0);
+        
+    //! Resume updates on the specified display.
+    static status_t unfreezeDisplay(DisplayID dpy, uint32_t flags = 0);
+
+    //! Set the orientation of the given display
+    static int setOrientation(DisplayID dpy, int orientation, uint32_t flags);
+
+    // Query the number of displays
+    static ssize_t getNumberOfDisplays();
+
+    // Get information about a display
+    static status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info);
+    static ssize_t getDisplayWidth(DisplayID dpy);
+    static ssize_t getDisplayHeight(DisplayID dpy);
+    static ssize_t getDisplayOrientation(DisplayID dpy);
+
+    status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
+            void* cookie = NULL, uint32_t flags = 0);
+
+private:
+    friend class Surface;
+    friend class SurfaceControl;
+    
+    SurfaceComposerClient(const sp<ISurfaceComposer>& sm, 
+            const sp<IBinder>& conn);
+
+    status_t    hide(SurfaceID id);
+    status_t    show(SurfaceID id, int32_t layer = -1);
+    status_t    freeze(SurfaceID id);
+    status_t    unfreeze(SurfaceID id);
+    status_t    setFlags(SurfaceID id, uint32_t flags, uint32_t mask);
+    status_t    setTransparentRegionHint(SurfaceID id, const Region& transparent);
+    status_t    setLayer(SurfaceID id, int32_t layer);
+    status_t    setAlpha(SurfaceID id, float alpha=1.0f);
+    status_t    setFreezeTint(SurfaceID id, uint32_t tint);
+    status_t    setMatrix(SurfaceID id, float dsdx, float dtdx, float dsdy, float dtdy);
+    status_t    setPosition(SurfaceID id, int32_t x, int32_t y);
+    status_t    setSize(SurfaceID id, uint32_t w, uint32_t h);
+    
+    void        signalServer();
+
+    status_t    destroySurface(SurfaceID sid);
+
+    void        _init(const sp<ISurfaceComposer>& sm,
+                    const sp<ISurfaceFlingerClient>& conn);
+
+    inline layer_state_t*   _get_state_l(SurfaceID id);
+    layer_state_t*          _lockLayerState(SurfaceID id);
+    inline void             _unlockLayerState();
+
+    mutable     Mutex                               mLock;
+                layer_state_t*                      mPrebuiltLayerState;
+                SortedVector<layer_state_t>         mStates;
+                int32_t                             mTransactionOpen;
+
+                // these don't need to be protected because they never change
+                // after assignment
+                status_t                    mStatus;
+                SharedClient*               mControl;
+                sp<IMemoryHeap>             mControlMemory;
+                sp<ISurfaceFlingerClient>   mClient;
+                sp<ISurfaceComposer>        mSignalServer;
+};
+
+}; // namespace android
+
+#endif // ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
+