diff --git a/libs/surfaceflinger/LayerOrientationAnim.cpp b/libs/surfaceflinger/LayerOrientationAnim.cpp
index 5fec325..2b72d7c 100644
--- a/libs/surfaceflinger/LayerOrientationAnim.cpp
+++ b/libs/surfaceflinger/LayerOrientationAnim.cpp
@@ -55,7 +55,6 @@
     mOrientationCompleted = false;
     mFirstRedraw = false;
     mLastNormalizedTime = 0;
-    mLastAngle = 0;
     mLastScale = 0;
     mNeedsBlending = false;
 }
@@ -95,6 +94,10 @@
     transparentRegionScreen.clear();
     mTransformed = true;
     mCanUseCopyBit = false;
+    copybit_device_t* copybit = mFlinger->getBlitEngine();
+    if (copybit) { 
+        mCanUseCopyBit = true;
+    }
 }
 
 void LayerOrientationAnim::onOrientationCompleted()
@@ -106,33 +109,35 @@
     mFlinger->invalidateLayerVisibility(this);
 }
 
-const float ROTATION = M_PI * 0.5f;
-const float ROTATION_FACTOR = 1.0f; // 1.0 or 2.0
-const float DURATION = ms2ns(200);
-const float BOUNCES_PER_SECOND = 1.618f;
-const float BOUNCES_AMPLITUDE = (5.0f/180.f) * M_PI;
-
 void LayerOrientationAnim::onDraw(const Region& clip) const
 {
     // Animation...
+    const float MIN_SCALE = 0.5f;
+    const float DURATION = ms2ns(200);
+    const float BOUNCES_PER_SECOND = 1.618f;
+    const float BOUNCES_AMPLITUDE = 1.0f/32.0f;
 
-    // FIXME: works only for portrait framebuffers
-    const Point size(getPhysicalSize());
-    const float TARGET_SCALE = size.x * (1.0f / size.y);
-    
     const nsecs_t now = systemTime();
-    float angle, scale, alpha;
+    float scale, alpha;
     
     if (mOrientationCompleted) {
         if (mFirstRedraw) {
+            mFirstRedraw = false;
+            
             // make a copy of what's on screen
             copybit_image_t image;
             mBitmapIn.getBitmapSurface(&image);
             const DisplayHardware& hw(graphicPlane(0).displayHardware());
             hw.copyBackToImage(image);
+
+            // and erase the screen for this round
+            glDisable(GL_BLEND);
+            glDisable(GL_DITHER);
+            glDisable(GL_SCISSOR_TEST);
+            glClearColor(0,0,0,0);
+            glClear(GL_COLOR_BUFFER_BIT);
             
             // FIXME: code below is gross
-            mFirstRedraw = false; 
             mNeedsBlending = false;
             LayerOrientationAnim* self(const_cast<LayerOrientationAnim*>(this));
             mFlinger->invalidateLayerVisibility(self);
@@ -143,39 +148,36 @@
         const float normalizedTime = (float(now - mFinishTime) / duration);
         if (normalizedTime <= 1.0f) {
             const float squaredTime = normalizedTime*normalizedTime;
-            angle = (ROTATION*ROTATION_FACTOR - mLastAngle)*squaredTime + mLastAngle;
             scale = (1.0f - mLastScale)*squaredTime + mLastScale;
-            alpha = normalizedTime;
+            alpha = (1.0f - normalizedTime);
+            alpha *= alpha;
+            alpha *= alpha;
         } else {
             mAnim->onAnimationFinished();
-            angle = ROTATION;
-            alpha = 1.0f;
             scale = 1.0f;
+            alpha = 0.0f;
         }
     } else {
         const float normalizedTime = float(now - mStartTime) / DURATION;
         if (normalizedTime <= 1.0f) {
             mLastNormalizedTime = normalizedTime;
             const float squaredTime = normalizedTime*normalizedTime;
-            angle = ROTATION * squaredTime;
-            scale = (TARGET_SCALE - 1.0f)*squaredTime + 1.0f;
-            alpha = 0;
+            scale = (MIN_SCALE-1.0f)*squaredTime + 1.0f;
+            alpha = 1.0f;
         } else {
             mLastNormalizedTime = 1.0f;
             const float to_seconds = DURATION / seconds(1);
             const float phi = BOUNCES_PER_SECOND * 
-            (((normalizedTime - 1.0f) * to_seconds)*M_PI*2);
-            angle = ROTATION + BOUNCES_AMPLITUDE * sinf(phi);
-            scale = TARGET_SCALE;
-            alpha = 0;
+                    (((normalizedTime - 1.0f) * to_seconds)*M_PI*2);
+            scale = MIN_SCALE + BOUNCES_AMPLITUDE * (1.0f - cosf(phi));
+            alpha = 1.0f;
         }
-        mLastAngle = angle;
         mLastScale = scale;
     }
-    drawScaled(angle, scale, alpha);
+    drawScaled(scale, alpha);
 }
 
-void LayerOrientationAnim::drawScaled(float f, float s, float alpha) const
+void LayerOrientationAnim::drawScaled(float f, float alpha) const
 {
     copybit_image_t dst;
     const GraphicPlane& plane(graphicPlane(0));
@@ -185,83 +187,98 @@
     // clear screen
     // TODO: with update on demand, we may be able 
     // to not erase the screen at all during the animation 
-    glDisable(GL_BLEND);
-    glDisable(GL_DITHER);
-    glDisable(GL_SCISSOR_TEST);
-    glClearColor(0,0,0,0);
-    glClear(GL_COLOR_BUFFER_BIT);
+    if (!mOrientationCompleted) {
+        glDisable(GL_BLEND);
+        glDisable(GL_DITHER);
+        glDisable(GL_SCISSOR_TEST);
+        glClearColor(0,0,0,0);
+        glClear(GL_COLOR_BUFFER_BIT);
+    }
     
-    const int w = dst.w; 
-    const int h = dst.h; 
+    const int w = dst.w*f; 
+    const int h = dst.h*f; 
+    const int xc = uint32_t(dst.w-w)/2;
+    const int yc = uint32_t(dst.h-h)/2;
+    const copybit_rect_t drect = { xc, yc, xc+w, yc+h }; 
 
     copybit_image_t src;
     mBitmap.getBitmapSurface(&src);
     const copybit_rect_t srect = { 0, 0, src.w, src.h };
 
+    int err = NO_ERROR;
+    const int can_use_copybit = canUseCopybit();
+    if (can_use_copybit)  {
+        copybit_device_t* copybit = mFlinger->getBlitEngine();
+        copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+        copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
 
-    GGLSurface t;
-    t.version = sizeof(GGLSurface);
-    t.width  = src.w;
-    t.height = src.h;
-    t.stride = src.w;
-    t.vstride= src.h;
-    t.format = src.format;
-    t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
+        if (alpha < 1.0f) {
+            copybit_image_t srcIn;
+            mBitmapIn.getBitmapSurface(&srcIn);
+            region_iterator it(Region(Rect( drect.l, drect.t, drect.r, drect.b )));
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+            err = copybit->stretch(copybit, &dst, &srcIn, &drect, &srect, &it);
+        }
 
-    const int targetOrientation = plane.getOrientation(); 
-    if (!targetOrientation) {
-        f = -f;
+        if (!err && alpha > 0.0f) {
+            region_iterator it(Region(Rect( drect.l, drect.t, drect.r, drect.b )));
+            copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, int(alpha*255));
+            err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+        }
+        LOGE_IF(err != NO_ERROR, "copybit failed (%s)", strerror(err));
     }
+    if (!can_use_copybit || err) {   
+        GGLSurface t;
+        t.version = sizeof(GGLSurface);
+        t.width  = src.w;
+        t.height = src.h;
+        t.stride = src.w;
+        t.vstride= src.h;
+        t.format = src.format;
+        t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
 
-    Transform tr;
-    tr.set(f, w*0.5f, h*0.5f);
-    tr.scale(s, w*0.5f, h*0.5f);
-
-    // FIXME: we should not access mVertices and mDrawingState like that,
-    // but since we control the animation, we know it's going to work okay.
-    // eventually we'd need a more formal way of doing things like this.
-    LayerOrientationAnim& self(const_cast<LayerOrientationAnim&>(*this));
-    tr.transform(self.mVertices[0], 0, 0);
-    tr.transform(self.mVertices[1], 0, src.h);
-    tr.transform(self.mVertices[2], src.w, src.h);
-    tr.transform(self.mVertices[3], src.w, 0);
-
-    if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
-        // Too slow to do this in software
-        self.mDrawingState.flags |= ISurfaceComposer::eLayerFilter;
-    }
-
-    if (UNLIKELY(mTextureName == -1LU)) {
-        mTextureName = createTexture();
-        GLuint w=0, h=0;
-        const Region dirty(Rect(t.width, t.height));
-        loadTexture(dirty, mTextureName, t, w, h);
-    }
-    self.mDrawingState.alpha = 255; //-int(alpha*255);
-    const Region clip(Rect( srect.l, srect.t, srect.r, srect.b ));
-    drawWithOpenGL(clip, mTextureName, t);
-    
-    if (alpha > 0) {
-        const float sign = (!targetOrientation) ? 1.0f : -1.0f;
-        tr.set(f + sign*(M_PI * 0.5f * ROTATION_FACTOR), w*0.5f, h*0.5f);
-        tr.scale(s, w*0.5f, h*0.5f);
+        Transform tr;
+        tr.set(f,0,0,f);
+        tr.set(xc, yc);
+        
+        // FIXME: we should not access mVertices and mDrawingState like that,
+        // but since we control the animation, we know it's going to work okay.
+        // eventually we'd need a more formal way of doing things like this.
+        LayerOrientationAnim& self(const_cast<LayerOrientationAnim&>(*this));
         tr.transform(self.mVertices[0], 0, 0);
         tr.transform(self.mVertices[1], 0, src.h);
         tr.transform(self.mVertices[2], src.w, src.h);
         tr.transform(self.mVertices[3], src.w, 0);
+        if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
+            // Too slow to do this in software
+            self.mDrawingState.flags |= ISurfaceComposer::eLayerFilter;
+        }
 
-        copybit_image_t src;
-        mBitmapIn.getBitmapSurface(&src);
+        if (alpha < 1.0f) {
+            copybit_image_t src;
+            mBitmapIn.getBitmapSurface(&src);
+            t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
+            if (UNLIKELY(mTextureNameIn == -1LU)) {
+                mTextureNameIn = createTexture();
+                GLuint w=0, h=0;
+                const Region dirty(Rect(t.width, t.height));
+                loadTexture(dirty, mTextureNameIn, t, w, h);
+            }
+            self.mDrawingState.alpha = 255;
+            const Region clip(Rect( drect.l, drect.t, drect.r, drect.b ));
+            drawWithOpenGL(clip, mTextureName, t);
+        }
+
         t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
-        if (UNLIKELY(mTextureNameIn == -1LU)) {
-            mTextureNameIn = createTexture();
+        if (UNLIKELY(mTextureName == -1LU)) {
+            mTextureName = createTexture();
             GLuint w=0, h=0;
             const Region dirty(Rect(t.width, t.height));
-            loadTexture(dirty, mTextureNameIn, t, w, h);
+            loadTexture(dirty, mTextureName, t, w, h);
         }
         self.mDrawingState.alpha = int(alpha*255);
-        const Region clip(Rect( srect.l, srect.t, srect.r, srect.b ));
-        drawWithOpenGL(clip, mTextureNameIn, t);
+        const Region clip(Rect( drect.l, drect.t, drect.r, drect.b ));
+        drawWithOpenGL(clip, mTextureName, t);
     }
 }
 
diff --git a/libs/surfaceflinger/LayerOrientationAnim.h b/libs/surfaceflinger/LayerOrientationAnim.h
index b527c7e..7367685 100644
--- a/libs/surfaceflinger/LayerOrientationAnim.h
+++ b/libs/surfaceflinger/LayerOrientationAnim.h
@@ -52,7 +52,7 @@
     virtual bool needsBlending() const;
     virtual bool isSecure() const       { return false; }
 private:
-    void drawScaled(float angle, float scale, float alpha) const;
+    void drawScaled(float scale, float alpha) const;
 
     OrientationAnimation* mAnim;
     LayerBitmap mBitmap;
@@ -62,7 +62,6 @@
     bool mOrientationCompleted;
     mutable bool mFirstRedraw;
     mutable float mLastNormalizedTime;
-    mutable float mLastAngle;
     mutable float mLastScale;
     mutable GLuint  mTextureName;
     mutable GLuint  mTextureNameIn;
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index 8499b67..d915a84 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -1804,7 +1804,6 @@
     if (orientation == ISurfaceComposer::eOrientationDefault) {
         // make sure the default orientation is optimal
         mOrientationTransform.reset();
-        mOrientation = orientation;
         mGlobalTransform = mTransform;
         return NO_ERROR;
     }
@@ -1825,7 +1824,7 @@
         GraphicPlane::orientationToTransfrom(orientation, w, h,
                 &mOrientationTransform);
     }
-    mOrientation = orientation;
+    
     mGlobalTransform = mOrientationTransform * mTransform;
     return NO_ERROR;
 }
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index 3c10481..f7d7764 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -122,7 +122,6 @@
         void                    setDisplayHardware(DisplayHardware *);
         void                    setTransform(const Transform& tr);
         status_t                setOrientation(int orientation);
-        int                     getOrientation() const { return mOrientation; }
 
         const DisplayHardware&  displayHardware() const;
         const Transform&        transform() const;
@@ -134,7 +133,6 @@
         Transform               mTransform;
         Transform               mOrientationTransform;
         Transform               mGlobalTransform;
-        int                     mOrientation;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/Transform.cpp b/libs/surfaceflinger/Transform.cpp
index e8b0f45..bec7a64 100644
--- a/libs/surfaceflinger/Transform.cpp
+++ b/libs/surfaceflinger/Transform.cpp
@@ -103,25 +103,6 @@
     mType |= 0x80000000;
 }
 
-void Transform::set(float radian, float x, float y)
-{
-    float r00 = cosf(radian);    float r01 = -sinf(radian);
-    float r10 = sinf(radian);    float r11 =  cosf(radian);
-    mTransform.set(SkMatrix::kMScaleX, SkFloatToScalar(r00));
-    mTransform.set(SkMatrix::kMSkewX, SkFloatToScalar(r01));
-    mTransform.set(SkMatrix::kMSkewY, SkFloatToScalar(r10));
-    mTransform.set(SkMatrix::kMScaleY, SkFloatToScalar(r11));
-    mTransform.set(SkMatrix::kMTransX, SkIntToScalar(x - r00*x - r01*y));
-    mTransform.set(SkMatrix::kMTransY, SkIntToScalar(y - r10*x - r11*y));
-    mType |= 0x80000000 | SkMatrix::kTranslate_Mask;
-}
-
-void Transform::scale(float s, float x, float y)
-{
-    mTransform.postScale(s, s, x, y); 
-    mType |= 0x80000000;
-}
-
 void Transform::set(int tx, int ty)
 {
     if (tx | ty) {
diff --git a/libs/surfaceflinger/Transform.h b/libs/surfaceflinger/Transform.h
index 4c4528e..0b4835e 100644
--- a/libs/surfaceflinger/Transform.h
+++ b/libs/surfaceflinger/Transform.h
@@ -60,9 +60,7 @@
             void    reset();
             void    set(float xx, float xy, float yx, float yy);
             void    set(int tx, int ty);
-            void    set(float radian, float x, float y);
-            void    scale(float s, float x, float y);
-            
+
             Rect    makeBounds(int w, int h) const;
             void    transform(GLfixed* point, int x, int y) const;
             Region  transform(const Region& reg) const;