diff --git a/include/surfaceflinger/IGraphicBufferAlloc.h b/include/surfaceflinger/IGraphicBufferAlloc.h
index 01e4bd9..e1b6b57 100644
--- a/include/surfaceflinger/IGraphicBufferAlloc.h
+++ b/include/surfaceflinger/IGraphicBufferAlloc.h
@@ -27,6 +27,8 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
+class GraphicBuffer;
+
 class IGraphicBufferAlloc : public IInterface
 {
 public:
diff --git a/include/surfaceflinger/ISurface.h b/include/surfaceflinger/ISurface.h
index cd0ee40..5fdf234 100644
--- a/include/surfaceflinger/ISurface.h
+++ b/include/surfaceflinger/ISurface.h
@@ -27,42 +27,23 @@
 
 #include <ui/PixelFormat.h>
 
-#include <hardware/hardware.h>
-#include <hardware/gralloc.h>
-
 namespace android {
 
 typedef int32_t    SurfaceID;
 
-class GraphicBuffer;
+class ISurfaceTexture;
 
 class ISurface : public IInterface
 {
 protected:
     enum {
-        RESERVED0 = IBinder::FIRST_CALL_TRANSACTION,
-        RESERVED1,
-        RESERVED2,
-        REQUEST_BUFFER,
-        SET_BUFFER_COUNT,
+        GET_SURFACE_TEXTURE = IBinder::FIRST_CALL_TRANSACTION,
     };
 
 public: 
     DECLARE_META_INTERFACE(Surface);
 
-    /*
-     * requests a new buffer for the given index. If w, h, or format are
-     * null the buffer is created with the parameters assigned to the
-     * surface it is bound to. Otherwise the buffer's parameters are
-     * set to those specified.
-     */
-    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx,
-            uint32_t w, uint32_t h, uint32_t format, uint32_t usage) = 0;
-
-    /*
-     * sets the number of buffers dequeuable for this surface.
-     */
-    virtual status_t setBufferCount(int bufferCount) = 0;
+    virtual sp<ISurfaceTexture> getSurfaceTexture() const = 0;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index dea1b10..03fd01b 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -33,6 +33,8 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
+class IMemoryHeap;
+
 class ISurfaceComposer : public IInterface
 {
 public:
@@ -95,10 +97,6 @@
      */
     virtual sp<ISurfaceComposerClient> createConnection() = 0;
 
-    /* create a client connection with surface flinger
-     */
-    virtual sp<ISurfaceComposerClient> createClientConnection() = 0;
-
     /* create a graphic buffer allocator
      */
     virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc() = 0;
@@ -134,11 +132,6 @@
     virtual status_t turnElectronBeamOff(int32_t mode) = 0;
     virtual status_t turnElectronBeamOn(int32_t mode) = 0;
 
-    /* Signal surfaceflinger that there might be some work to do
-     * This is an ASYNCHRONOUS call.
-     */
-    virtual void signal() const = 0;
-
     /* verify that an ISurface was created by SurfaceFlinger.
      */
     virtual bool authenticateSurface(const sp<ISurface>& surface) const = 0;
@@ -154,7 +147,6 @@
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
         CREATE_CONNECTION,
-        CREATE_CLIENT_CONNECTION,
         CREATE_GRAPHIC_BUFFER_ALLOC,
         GET_CBLK,
         OPEN_GLOBAL_TRANSACTION,
@@ -162,7 +154,6 @@
         SET_ORIENTATION,
         FREEZE_DISPLAY,
         UNFREEZE_DISPLAY,
-        SIGNAL,
         CAPTURE_SCREEN,
         TURN_ELECTRON_BEAM_OFF,
         TURN_ELECTRON_BEAM_ON,
diff --git a/include/surfaceflinger/ISurfaceComposerClient.h b/include/surfaceflinger/ISurfaceComposerClient.h
index 46b1bb7..2e75a0e 100644
--- a/include/surfaceflinger/ISurfaceComposerClient.h
+++ b/include/surfaceflinger/ISurfaceComposerClient.h
@@ -33,9 +33,6 @@
 
 // ----------------------------------------------------------------------------
 
-class IMemoryHeap;
-
-typedef int32_t    ClientID;
 typedef int32_t    DisplayID;
 
 // ----------------------------------------------------------------------------
@@ -57,9 +54,6 @@
         status_t writeToParcel(Parcel* parcel) const;
     };
 
-    virtual sp<IMemoryHeap> getControlBlock() const = 0;
-    virtual ssize_t getTokenForSurface(const sp<ISurface>& sur) const = 0;
-
     /*
      * Requires ACCESS_SURFACE_FLINGER permission
      */
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h
index ab30f45..8845dc9 100644
--- a/include/surfaceflinger/Surface.h
+++ b/include/surfaceflinger/Surface.h
@@ -43,9 +43,7 @@
 class Rect;
 class Surface;
 class SurfaceComposerClient;
-class SharedClient;
-class SharedBufferClient;
-class SurfaceClient;
+class SurfaceTextureClient;
 
 // ---------------------------------------------------------------------------
 
@@ -162,9 +160,6 @@
     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);
-
     sp<IBinder> asBinder() const;
 
 private:
@@ -209,6 +204,7 @@
     static int query(const ANativeWindow* window, int what, int* value);
     static int perform(ANativeWindow* window, int operation, ...);
 
+    int setSwapInterval(int interval);
     int dequeueBuffer(ANativeWindowBuffer** buffer);
     int lockBuffer(ANativeWindowBuffer* buffer);
     int queueBuffer(ANativeWindowBuffer* buffer);
@@ -216,83 +212,23 @@
     int query(int what, int* value) const;
     int perform(int operation, va_list args);
 
-    void dispatch_setUsage(va_list args);
-    int  dispatch_connect(va_list args);
-    int  dispatch_disconnect(va_list args);
-    int  dispatch_crop(va_list args);
-    int  dispatch_set_buffer_count(va_list args);
-    int  dispatch_set_buffers_geometry(va_list args);
-    int  dispatch_set_buffers_transform(va_list args);
-    int  dispatch_set_buffers_timestamp(va_list args);
-
-    void setUsage(uint32_t reqUsage);
-    int  connect(int api);
-    int  disconnect(int api);
-    int  crop(Rect const* rect);
-    int  setBufferCount(int bufferCount);
-    int  setBuffersGeometry(int w, int h, int format);
-    int  setBuffersTransform(int transform);
-    int  setBuffersTimestamp(int64_t timestamp);
-
     /*
      *  private stuff...
      */
     void init();
     status_t validate(bool inCancelBuffer = false) const;
 
-    // When the buffer pool is a fixed size we want to make sure SurfaceFlinger
-    // won't stall clients, so we require an extra buffer.
-    enum { MIN_UNDEQUEUED_BUFFERS = 2 };
-
-    inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; }
-    inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; }
-
-    status_t getBufferLocked(int index,
-            uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
-    int getBufferIndex(const sp<GraphicBuffer>& buffer) const;
-
     int getConnectedApi() const;
     
-    bool needNewBuffer(int bufIdx,
-            uint32_t *pWidth, uint32_t *pHeight,
-            uint32_t *pFormat, uint32_t *pUsage) const;
-
     static void cleanCachedSurfacesLocked();
 
-    class BufferInfo {
-        uint32_t mWidth;
-        uint32_t mHeight;
-        uint32_t mFormat;
-        uint32_t mUsage;
-        mutable uint32_t mDirty;
-        enum {
-            GEOMETRY = 0x01
-        };
-    public:
-        BufferInfo();
-        void set(uint32_t w, uint32_t h, uint32_t format);
-        void set(uint32_t usage);
-        void get(uint32_t *pWidth, uint32_t *pHeight,
-                uint32_t *pFormat, uint32_t *pUsage) const;
-        bool validateBuffer(const sp<GraphicBuffer>& buffer) const;
-    };
-
     // constants
-    GraphicBufferMapper&        mBufferMapper;
-    SurfaceClient&              mClient;
-    SharedBufferClient*         mSharedBufferClient;
     status_t                    mInitCheck;
     sp<ISurface>                mSurface;
+    sp<SurfaceTextureClient>    mSurfaceTextureClient;
     uint32_t                    mIdentity;
     PixelFormat                 mFormat;
     uint32_t                    mFlags;
-
-    // protected by mSurfaceLock
-    Rect                        mSwapRectangle;
-    int                         mConnected;
-    Rect                        mNextBufferCrop;
-    uint32_t                    mNextBufferTransform;
-    BufferInfo                  mBufferInfo;
     
     // protected by mSurfaceLock. These are also used from lock/unlock
     // but in that case, they must be called form the same thread.
@@ -304,9 +240,6 @@
     mutable Region              mOldDirtyRegion;
     bool                        mReserved;
 
-    // only used from dequeueBuffer()
-    Vector< sp<GraphicBuffer> > mBuffers;
-
     // query() must be called from dequeueBuffer() thread
     uint32_t                    mWidth;
     uint32_t                    mHeight;
diff --git a/include/surfaceflinger/SurfaceComposerClient.h b/include/surfaceflinger/SurfaceComposerClient.h
index c61a5bf..140b9f8 100644
--- a/include/surfaceflinger/SurfaceComposerClient.h
+++ b/include/surfaceflinger/SurfaceComposerClient.h
@@ -36,10 +36,10 @@
 
 // ---------------------------------------------------------------------------
 
-class Region;
-class SharedClient;
-class ISurfaceComposer;
 class DisplayInfo;
+class IMemoryHeap;
+class ISurfaceComposer;
+class Region;
 class surface_flinger_cblk_t;
 
 // ---------------------------------------------------------------------------