diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index 1581474..92021d0 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -41,7 +41,8 @@
 #include "BootAnimation.h"
 #include "Barrier.h"
 
-struct copybit_t;
+struct copybit_device_t;
+struct overlay_device_t;
 
 namespace android {
 
@@ -74,7 +75,7 @@
             int32_t                 generateId(int pid);
             void                    free(int32_t id);
             status_t                bindLayer(LayerBaseClient* layer, int32_t id);
-            sp<MemoryDealer>        createAllocator(int memory_type);
+            sp<MemoryDealer>        createAllocator(uint32_t memory_type);
 
     inline  bool                    isValid(int32_t i) const;
     inline  const uint8_t*          inUseArray() const;
@@ -92,7 +93,6 @@
     
 private:
     int                     getClientPid() const { return mPid; }
-    const sp<GPUHardwareInterface>&  getGPU() const;
         
     int                         mPid;
     uint32_t                    mBitmap;
@@ -179,7 +179,8 @@
                 return mGPU; 
             }
 
-            copybit_t* getBlitEngine() const;
+            copybit_device_t* getBlitEngine() const;
+            overlay_device_t* getOverlayEngine() const;
             
 private:
     friend class BClient;