diff --git a/include/gui/ISurfaceComposer.h b/include/gui/ISurfaceComposer.h
index 82a5956..b2f8889 100644
--- a/include/gui/ISurfaceComposer.h
+++ b/include/gui/ISurfaceComposer.h
@@ -39,54 +39,13 @@
 class IDisplayEventConnection;
 class IMemoryHeap;
 
-class ISurfaceComposer : public IInterface
-{
+class ISurfaceComposer: public IInterface {
 public:
     DECLARE_META_INTERFACE(SurfaceComposer);
 
-    enum { // (keep in sync with Surface.java)
-        eHidden             = 0x00000004,
-        eDestroyBackbuffer  = 0x00000020,
-        eSecure             = 0x00000080,
-        eNonPremultiplied   = 0x00000100,
-        eOpaque             = 0x00000400,
-        eProtectedByApp     = 0x00000800,
-        eProtectedByDRM     = 0x00001000,
-
-        eFXSurfaceNormal    = 0x00000000,
-        eFXSurfaceBlur      = 0x00010000,
-        eFXSurfaceDim       = 0x00020000,
-        eFXSurfaceScreenshot= 0x00030000,
-        eFXSurfaceMask      = 0x000F0000,
-    };
-
+    // flags for setTransactionState()
     enum {
-        ePositionChanged            = 0x00000001,
-        eLayerChanged               = 0x00000002,
-        eSizeChanged                = 0x00000004,
-        eAlphaChanged               = 0x00000008,
-        eMatrixChanged              = 0x00000010,
-        eTransparentRegionChanged   = 0x00000020,
-        eVisibilityChanged          = 0x00000040,
-        eLayerStackChanged          = 0x00000080,
-        eCropChanged                = 0x00000100,
-    };
-
-    enum {
-        eLayerHidden        = 0x01,
-    };
-
-    enum {
-        eOrientationDefault     = 0,
-        eOrientation90          = 1,
-        eOrientation180         = 2,
-        eOrientation270         = 3,
-        eOrientationUnchanged   = 4,
-        eOrientationSwapMask    = 0x01
-    };
-
-    enum {
-        eSynchronous            = 0x01,
+        eSynchronous = 0x01,
     };
 
     /* create connection with surface flinger, requires
@@ -99,10 +58,8 @@
     virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc() = 0;
 
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
-    virtual void setTransactionState(
-            const Vector<ComposerState>& state,
-            const Vector<DisplayState>& displays,
-            uint32_t flags) = 0;
+    virtual void setTransactionState(const Vector<ComposerState>& state,
+            const Vector<DisplayState>& displays, uint32_t flags) = 0;
 
     /* signal that we're done booting.
      * Requires ACCESS_SURFACE_FLINGER permission
@@ -112,11 +69,10 @@
     /* Capture the specified screen. requires READ_FRAME_BUFFER permission
      * This function will fail if there is a secure window on screen.
      */
-    virtual status_t captureScreen(DisplayID dpy,
-            sp<IMemoryHeap>* heap,
+    virtual status_t captureScreen(DisplayID dpy, sp<IMemoryHeap>* heap,
             uint32_t* width, uint32_t* height, PixelFormat* format,
-            uint32_t reqWidth, uint32_t reqHeight,
-            uint32_t minLayerZ, uint32_t maxLayerZ) = 0;
+            uint32_t reqWidth, uint32_t reqHeight, uint32_t minLayerZ,
+            uint32_t maxLayerZ) = 0;
 
     /* verify that an ISurfaceTexture was created by SurfaceFlinger.
      */
@@ -142,8 +98,7 @@
 
 // ----------------------------------------------------------------------------
 
-class BnSurfaceComposer : public BnInterface<ISurfaceComposer>
-{
+class BnSurfaceComposer: public BnInterface<ISurfaceComposer> {
 public:
     enum {
         // Note: BOOT_FINISHED must remain this value, it is called from
@@ -153,7 +108,6 @@
         CREATE_GRAPHIC_BUFFER_ALLOC,
         GET_DISPLAY_INFO,
         SET_TRANSACTION_STATE,
-        SET_ORIENTATION,
         CAPTURE_SCREEN,
         AUTHENTICATE_SURFACE,
         CREATE_DISPLAY_EVENT_CONNECTION,
@@ -162,10 +116,8 @@
         CONNECT_DISPLAY,
     };
 
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
+    virtual status_t onTransact(uint32_t code, const Parcel& data,
+            Parcel* reply, uint32_t flags = 0);
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/gui/ISurfaceComposerClient.h b/include/gui/ISurfaceComposerClient.h
index c793933..259c1df 100644
--- a/include/gui/ISurfaceComposerClient.h
+++ b/include/gui/ISurfaceComposerClient.h
@@ -42,9 +42,26 @@
 public:
     DECLARE_META_INTERFACE(SurfaceComposerClient);
 
+    // flags for createSurface()
+    enum { // (keep in sync with Surface.java)
+        eHidden             = 0x00000004,
+        eDestroyBackbuffer  = 0x00000020,
+        eSecure             = 0x00000080,
+        eNonPremultiplied   = 0x00000100,
+        eOpaque             = 0x00000400,
+        eProtectedByApp     = 0x00000800,
+        eProtectedByDRM     = 0x00001000,
+
+        eFXSurfaceNormal    = 0x00000000,
+        eFXSurfaceBlur      = 0x00010000, // deprecated, same as Dim
+        eFXSurfaceDim       = 0x00020000,
+        eFXSurfaceScreenshot= 0x00030000,
+        eFXSurfaceMask      = 0x000F0000,
+    };
+
     struct surface_data_t {
-        int32_t             token;
-        int32_t             identity;
+        int32_t token;
+        int32_t identity;
         status_t readFromParcel(const Parcel& parcel);
         status_t writeToParcel(Parcel* parcel) const;
     };
@@ -52,29 +69,22 @@
     /*
      * Requires ACCESS_SURFACE_FLINGER permission
      */
-    virtual sp<ISurface> createSurface( surface_data_t* data,
-                                        const String8& name,
-                                        DisplayID display,
-                                        uint32_t w,
-                                        uint32_t h,
-                                        PixelFormat format,
-                                        uint32_t flags) = 0;
+    virtual sp<ISurface> createSurface(surface_data_t* data,
+            const String8& name, DisplayID display, uint32_t w, uint32_t h,
+            PixelFormat format, uint32_t flags) = 0;
 
     /*
      * Requires ACCESS_SURFACE_FLINGER permission
      */
-    virtual status_t    destroySurface(SurfaceID sid) = 0;
+    virtual status_t destroySurface(SurfaceID sid) = 0;
 };
 
 // ----------------------------------------------------------------------------
 
-class BnSurfaceComposerClient : public BnInterface<ISurfaceComposerClient>
-{
+class BnSurfaceComposerClient: public BnInterface<ISurfaceComposerClient> {
 public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
+    virtual status_t onTransact(uint32_t code, const Parcel& data,
+            Parcel* reply, uint32_t flags = 0);
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/private/gui/LayerState.h b/include/private/gui/LayerState.h
index 61acaac..90e74a9 100644
--- a/include/private/gui/LayerState.h
+++ b/include/private/gui/LayerState.h
@@ -33,6 +33,23 @@
 
 struct layer_state_t {
 
+
+    enum {
+        eLayerHidden        = 0x01,
+    };
+
+    enum {
+        ePositionChanged            = 0x00000001,
+        eLayerChanged               = 0x00000002,
+        eSizeChanged                = 0x00000004,
+        eAlphaChanged               = 0x00000008,
+        eMatrixChanged              = 0x00000010,
+        eTransparentRegionChanged   = 0x00000020,
+        eVisibilityChanged          = 0x00000040,
+        eLayerStackChanged          = 0x00000080,
+        eCropChanged                = 0x00000100,
+    };
+
     layer_state_t()
         :   surface(0), what(0),
             x(0), y(0), z(0), w(0), h(0), layerStack(0),
@@ -79,6 +96,16 @@
 };
 
 struct DisplayState {
+
+    enum {
+        eOrientationDefault     = 0,
+        eOrientation90          = 1,
+        eOrientation180         = 2,
+        eOrientation270         = 3,
+        eOrientationUnchanged   = 4,
+        eOrientationSwapMask    = 0x01
+    };
+
     int32_t             displayId;
     sp<ISurfaceTexture> surface;
     uint32_t            layerStack;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 1aecddb..7f42a34 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -83,7 +83,7 @@
     uint32_t                    mForceSynchronous;
 
     Composer() : Singleton<Composer>(),
-        mOrientation(ISurfaceComposer::eOrientationUnchanged),
+        mOrientation(DisplayState::eOrientationUnchanged),
         mForceSynchronous(0)
     { }
 
@@ -141,7 +141,7 @@
         item.orientation = mOrientation;
         displayTransaction.add(item);
 
-        mOrientation = ISurfaceComposer::eOrientationUnchanged;
+        mOrientation = DisplayState::eOrientationUnchanged;
 
         if (synchronous || mForceSynchronous) {
             flags |= ISurfaceComposer::eSynchronous;
@@ -175,7 +175,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::ePositionChanged;
+    s->what |= layer_state_t::ePositionChanged;
     s->x = x;
     s->y = y;
     return NO_ERROR;
@@ -187,7 +187,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eSizeChanged;
+    s->what |= layer_state_t::eSizeChanged;
     s->w = w;
     s->h = h;
 
@@ -203,7 +203,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eLayerChanged;
+    s->what |= layer_state_t::eLayerChanged;
     s->z = z;
     return NO_ERROR;
 }
@@ -215,7 +215,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eVisibilityChanged;
+    s->what |= layer_state_t::eVisibilityChanged;
     s->flags &= ~mask;
     s->flags |= (flags & mask);
     s->mask |= mask;
@@ -229,7 +229,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eTransparentRegionChanged;
+    s->what |= layer_state_t::eTransparentRegionChanged;
     s->transparentRegion = transparentRegion;
     return NO_ERROR;
 }
@@ -240,7 +240,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eAlphaChanged;
+    s->what |= layer_state_t::eAlphaChanged;
     s->alpha = alpha;
     return NO_ERROR;
 }
@@ -251,7 +251,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eLayerStackChanged;
+    s->what |= layer_state_t::eLayerStackChanged;
     s->layerStack = layerStack;
     return NO_ERROR;
 }
@@ -263,7 +263,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eMatrixChanged;
+    s->what |= layer_state_t::eMatrixChanged;
     layer_state_t::matrix22_t matrix;
     matrix.dsdx = dsdx;
     matrix.dtdx = dtdx;
@@ -289,7 +289,7 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= ISurfaceComposer::eCropChanged;
+    s->what |= layer_state_t::eCropChanged;
     s->crop = crop;
     return NO_ERROR;
 }
@@ -420,14 +420,14 @@
 
 status_t SurfaceComposerClient::hide(SurfaceID id) {
     return getComposer().setFlags(this, id,
-            ISurfaceComposer::eLayerHidden,
-            ISurfaceComposer::eLayerHidden);
+            layer_state_t::eLayerHidden,
+            layer_state_t::eLayerHidden);
 }
 
 status_t SurfaceComposerClient::show(SurfaceID id, int32_t) {
     return getComposer().setFlags(this, id,
             0,
-            ISurfaceComposer::eLayerHidden);
+            layer_state_t::eLayerHidden);
 }
 
 status_t SurfaceComposerClient::setFlags(SurfaceID id, uint32_t flags,
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 326a124..e3655f8 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -59,39 +59,6 @@
     } while(true);
 }
 
-static __attribute__((noinline))
-void checkEGLErrors(const char* token)
-{
-    struct EGLUtils {
-        static const char *strerror(EGLint err) {
-            switch (err){
-                case EGL_SUCCESS:           return "EGL_SUCCESS";
-                case EGL_NOT_INITIALIZED:   return "EGL_NOT_INITIALIZED";
-                case EGL_BAD_ACCESS:        return "EGL_BAD_ACCESS";
-                case EGL_BAD_ALLOC:         return "EGL_BAD_ALLOC";
-                case EGL_BAD_ATTRIBUTE:     return "EGL_BAD_ATTRIBUTE";
-                case EGL_BAD_CONFIG:        return "EGL_BAD_CONFIG";
-                case EGL_BAD_CONTEXT:       return "EGL_BAD_CONTEXT";
-                case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
-                case EGL_BAD_DISPLAY:       return "EGL_BAD_DISPLAY";
-                case EGL_BAD_MATCH:         return "EGL_BAD_MATCH";
-                case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
-                case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
-                case EGL_BAD_PARAMETER:     return "EGL_BAD_PARAMETER";
-                case EGL_BAD_SURFACE:       return "EGL_BAD_SURFACE";
-                case EGL_CONTEXT_LOST:      return "EGL_CONTEXT_LOST";
-                default: return "UNKNOWN";
-            }
-        }
-    };
-
-    EGLint error = eglGetError();
-    if (error && error != EGL_SUCCESS) {
-        ALOGE("%s: EGL error 0x%04x (%s)",
-                token, int(error), EGLUtils::strerror(error));
-    }
-}
-
 // ----------------------------------------------------------------------------
 
 /*
@@ -220,7 +187,7 @@
     mPageFlipCount = 0;
 
     // initialize the display orientation transform.
-    DisplayDevice::setOrientation(ISurfaceComposer::eOrientationDefault);
+    DisplayDevice::setOrientation(DisplayState::eOrientationDefault);
 }
 
 uint32_t DisplayDevice::getPageFlipCount() const {
@@ -325,16 +292,16 @@
 {
     uint32_t flags = 0;
     switch (orientation) {
-    case ISurfaceComposer::eOrientationDefault:
+    case DisplayState::eOrientationDefault:
         flags = Transform::ROT_0;
         break;
-    case ISurfaceComposer::eOrientation90:
+    case DisplayState::eOrientation90:
         flags = Transform::ROT_90;
         break;
-    case ISurfaceComposer::eOrientation180:
+    case DisplayState::eOrientation180:
         flags = Transform::ROT_180;
         break;
-    case ISurfaceComposer::eOrientation270:
+    case DisplayState::eOrientation270:
         flags = Transform::ROT_270;
         break;
     default:
@@ -350,7 +317,7 @@
 
     DisplayDevice::orientationToTransfrom(
             orientation, w, h, &mGlobalTransform);
-    if (orientation & ISurfaceComposer::eOrientationSwapMask) {
+    if (orientation & DisplayState::eOrientationSwapMask) {
         int tmp = w;
         w = h;
         h = tmp;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 90e5d9a..0825ec6 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -182,9 +182,9 @@
 
     mFormat = format;
 
-    mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
-    mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false;
-    mOpaqueLayer = (flags & ISurfaceComposer::eOpaque);
+    mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false;
+    mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
+    mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque);
     mCurrentOpacity = getOpacityForFormat(format);
 
     mSurfaceTexture->setDefaultBufferSize(w, h);
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index e1477a9..e6189f7 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -66,10 +66,10 @@
 void LayerBase::initStates(uint32_t w, uint32_t h, uint32_t flags)
 {
     uint32_t layerFlags = 0;
-    if (flags & ISurfaceComposer::eHidden)
-        layerFlags = ISurfaceComposer::eLayerHidden;
+    if (flags & ISurfaceComposerClient::eHidden)
+        layerFlags = layer_state_t::eLayerHidden;
 
-    if (flags & ISurfaceComposer::eNonPremultiplied)
+    if (flags & ISurfaceComposerClient::eNonPremultiplied)
         mPremultipliedAlpha = false;
 
     mCurrentState.active.w = w;
diff --git a/services/surfaceflinger/LayerScreenshot.cpp b/services/surfaceflinger/LayerScreenshot.cpp
index da2de76..799ecdc 100644
--- a/services/surfaceflinger/LayerScreenshot.cpp
+++ b/services/surfaceflinger/LayerScreenshot.cpp
@@ -80,7 +80,7 @@
 
 void LayerScreenshot::initStates(uint32_t w, uint32_t h, uint32_t flags) {
     LayerBaseClient::initStates(w, h, flags);
-    if (!(flags & ISurfaceComposer::eHidden)) {
+    if (!(flags & ISurfaceComposerClient::eHidden)) {
         capture();
     }
 }
@@ -90,15 +90,15 @@
     const LayerBase::State& draw(drawingState());
     const LayerBase::State& curr(currentState());
 
-    if (draw.flags & ISurfaceComposer::eLayerHidden) {
-        if (!(curr.flags & ISurfaceComposer::eLayerHidden)) {
+    if (draw.flags & layer_state_t::eLayerHidden) {
+        if (!(curr.flags & layer_state_t::eLayerHidden)) {
             // we're going from hidden to visible
             status_t err = captureLocked();
             if (err != NO_ERROR) {
                 ALOGW("createScreenshotSurface failed (%s)", strerror(-err));
             }
         }
-    } else if (curr.flags & ISurfaceComposer::eLayerHidden) {
+    } else if (curr.flags & layer_state_t::eLayerHidden) {
         // we're going from visible to hidden
         if (mTextureName) {
             glDeleteTextures(1, &mTextureName);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f17a7d2..e7923be 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -142,7 +142,7 @@
     Vector<ComposerState> state;
     Vector<DisplayState> displays;
     DisplayState d;
-    d.orientation = eOrientationDefault;
+    d.orientation = DisplayState::eOrientationDefault;
     displays.add(d);
     setTransactionState(state, displays, 0);
 
@@ -970,7 +970,7 @@
 
 
         // handle hidden surfaces by setting the visible region to empty
-        if (CC_LIKELY(!(s.flags & ISurfaceComposer::eLayerHidden) && s.alpha)) {
+        if (CC_LIKELY(!(s.flags & layer_state_t::eLayerHidden) && s.alpha)) {
             const bool translucent = !layer->isOpaque();
             Rect bounds(layer->computeBounds());
             visibleRegion.set(bounds);
@@ -1366,7 +1366,7 @@
 {
     Mutex::Autolock _l(mStateLock);
 
-    int orientation = eOrientationUnchanged;
+    int orientation = DisplayState::eOrientationUnchanged;
     if (displays.size()) {
         // TODO: handle all displays
         orientation = displays[0].orientation;
@@ -1375,10 +1375,10 @@
     uint32_t transactionFlags = 0;
     // FIXME: don't hardcode display id here
     if (mCurrentState.displays.valueFor(0).orientation != orientation) {
-        if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
+        if (uint32_t(orientation) <= DisplayState::eOrientation270) {
             mCurrentState.displays.editValueFor(0).orientation = orientation;
             transactionFlags |= eTransactionNeeded;
-        } else if (orientation != eOrientationUnchanged) {
+        } else if (orientation != DisplayState::eOrientationUnchanged) {
             ALOGW("setTransactionState: ignoring unrecognized orientation: %d",
                     orientation);
         }
@@ -1430,17 +1430,15 @@
     }
 
     //ALOGD("createLayer for (%d x %d), name=%s", w, h, name.string());
-    switch (flags & eFXSurfaceMask) {
-        case eFXSurfaceNormal:
+    switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
+        case ISurfaceComposerClient::eFXSurfaceNormal:
             layer = createNormalLayer(client, d, w, h, flags, format);
             break;
-        case eFXSurfaceBlur:
-            // for now we treat Blur as Dim, until we can implement it
-            // efficiently.
-        case eFXSurfaceDim:
+        case ISurfaceComposerClient::eFXSurfaceBlur:
+        case ISurfaceComposerClient::eFXSurfaceDim:
             layer = createDimLayer(client, d, w, h, flags);
             break;
-        case eFXSurfaceScreenshot:
+        case ISurfaceComposerClient::eFXSurfaceScreenshot:
             layer = createScreenshotLayer(client, d, w, h, flags);
             break;
     }
@@ -1564,11 +1562,11 @@
     sp<LayerBaseClient> layer(client->getLayerUser(s.surface));
     if (layer != 0) {
         const uint32_t what = s.what;
-        if (what & ePositionChanged) {
+        if (what & layer_state_t::ePositionChanged) {
             if (layer->setPosition(s.x, s.y))
                 flags |= eTraversalNeeded;
         }
-        if (what & eLayerChanged) {
+        if (what & layer_state_t::eLayerChanged) {
             // NOTE: index needs to be calculated before we update the state
             ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
             if (layer->setLayer(s.z)) {
@@ -1579,32 +1577,32 @@
                 flags |= eTransactionNeeded|eTraversalNeeded;
             }
         }
-        if (what & eSizeChanged) {
+        if (what & layer_state_t::eSizeChanged) {
             if (layer->setSize(s.w, s.h)) {
                 flags |= eTraversalNeeded;
             }
         }
-        if (what & eAlphaChanged) {
+        if (what & layer_state_t::eAlphaChanged) {
             if (layer->setAlpha(uint8_t(255.0f*s.alpha+0.5f)))
                 flags |= eTraversalNeeded;
         }
-        if (what & eMatrixChanged) {
+        if (what & layer_state_t::eMatrixChanged) {
             if (layer->setMatrix(s.matrix))
                 flags |= eTraversalNeeded;
         }
-        if (what & eTransparentRegionChanged) {
+        if (what & layer_state_t::eTransparentRegionChanged) {
             if (layer->setTransparentRegionHint(s.transparentRegion))
                 flags |= eTraversalNeeded;
         }
-        if (what & eVisibilityChanged) {
+        if (what & layer_state_t::eVisibilityChanged) {
             if (layer->setFlags(s.flags, s.mask))
                 flags |= eTraversalNeeded;
         }
-        if (what & eCropChanged) {
+        if (what & layer_state_t::eCropChanged) {
             if (layer->setCrop(s.crop))
                 flags |= eTraversalNeeded;
         }
-        if (what & eLayerStackChanged) {
+        if (what & layer_state_t::eLayerStackChanged) {
             // NOTE: index needs to be calculated before we update the state
             ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
             if (layer->setLayerStack(s.layerStack)) {
@@ -1907,7 +1905,6 @@
     switch (code) {
         case CREATE_CONNECTION:
         case SET_TRANSACTION_STATE:
-        case SET_ORIENTATION:
         case BOOT_FINISHED:
         case BLANK:
         case UNBLANK:
@@ -2162,7 +2159,7 @@
         for (size_t i=0 ; i<count ; ++i) {
             const sp<LayerBase>& layer(layers[i]);
             const uint32_t flags = layer->drawingState().flags;
-            if (!(flags & ISurfaceComposer::eLayerHidden)) {
+            if (!(flags & layer_state_t::eLayerHidden)) {
                 const uint32_t z = layer->drawingState().z;
                 if (z >= minLayerZ && z <= maxLayerZ) {
                     if (filtering) layer->setFiltering(true);