diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 9f687e2..808fa1b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -190,7 +190,7 @@
     eglTerminate(display);
 }
 
-void SurfaceFlinger::binderDied(const wp<IBinder>& who)
+void SurfaceFlinger::binderDied(const wp<IBinder>& /* who */)
 {
     // the window manager died on us. prepare its eulogy.
 
@@ -593,12 +593,12 @@
 }
 
 status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
+        nsecs_t reltime, uint32_t /* flags */) {
     return mEventQueue.postMessage(msg, reltime);
 }
 
 status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
+        nsecs_t reltime, uint32_t /* flags */) {
     status_t res = mEventQueue.postMessage(msg, reltime);
     if (res == NO_ERROR) {
         msg->wait();
@@ -1710,7 +1710,7 @@
     return status_t(index);
 }
 
-uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t flags) {
+uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t /* flags */) {
     return android_atomic_release_load(&mTransactionFlags);
 }
 
@@ -2220,8 +2220,8 @@
     return NO_ERROR;
 }
 
-void SurfaceFlinger::listLayersLocked(const Vector<String16>& args, size_t& index,
-        String8& result) const
+void SurfaceFlinger::listLayersLocked(const Vector<String16>& /* args */,
+        size_t& /* index */, String8& result) const
 {
     const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
     const size_t count = currentLayers.size();
@@ -2259,7 +2259,7 @@
 }
 
 void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
-        String8& result)
+        String8& /* result */)
 {
     String8 name;
     if (index < args.size()) {
@@ -2664,7 +2664,7 @@
      * data and reply Parcel and forward them to the calling thread.
      */
     virtual status_t transact(uint32_t code,
-            const Parcel& data, Parcel* reply, uint32_t flags) {
+            const Parcel& data, Parcel* reply, uint32_t /* flags */) {
         this->code = code;
         this->data = &data;
         this->reply = reply;
@@ -2718,7 +2718,8 @@
 status_t SurfaceFlinger::captureScreen(const sp<IBinder>& display,
         const sp<IGraphicBufferProducer>& producer,
         uint32_t reqWidth, uint32_t reqHeight,
-        uint32_t minLayerZ, uint32_t maxLayerZ) {
+        uint32_t minLayerZ, uint32_t maxLayerZ,
+        bool useIdentityTransform) {
 
     if (CC_UNLIKELY(display == 0))
         return BAD_VALUE;
@@ -2744,16 +2745,19 @@
         sp<IGraphicBufferProducer> producer;
         uint32_t reqWidth, reqHeight;
         uint32_t minLayerZ,maxLayerZ;
+        bool useIdentityTransform;
         status_t result;
     public:
         MessageCaptureScreen(SurfaceFlinger* flinger,
                 const sp<IBinder>& display,
                 const sp<IGraphicBufferProducer>& producer,
                 uint32_t reqWidth, uint32_t reqHeight,
-                uint32_t minLayerZ, uint32_t maxLayerZ)
+                uint32_t minLayerZ, uint32_t maxLayerZ,
+                bool useIdentityTransform)
             : flinger(flinger), display(display), producer(producer),
               reqWidth(reqWidth), reqHeight(reqHeight),
               minLayerZ(minLayerZ), maxLayerZ(maxLayerZ),
+              useIdentityTransform(useIdentityTransform),
               result(PERMISSION_DENIED)
         {
         }
@@ -2763,8 +2767,9 @@
         virtual bool handler() {
             Mutex::Autolock _l(flinger->mStateLock);
             sp<const DisplayDevice> hw(flinger->getDisplayDevice(display));
-            result = flinger->captureScreenImplLocked(hw,
-                    producer, reqWidth, reqHeight, minLayerZ, maxLayerZ);
+            result = flinger->captureScreenImplLocked(hw, producer,
+                    reqWidth, reqHeight, minLayerZ, maxLayerZ,
+                    useIdentityTransform);
             static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(result);
             return true;
         }
@@ -2786,7 +2791,7 @@
     // which does the marshaling work forwards to our "fake remote" above.
     sp<MessageBase> msg = new MessageCaptureScreen(this,
             display, IGraphicBufferProducer::asInterface( wrapper ),
-            reqWidth, reqHeight, minLayerZ, maxLayerZ);
+            reqWidth, reqHeight, minLayerZ, maxLayerZ, useIdentityTransform);
 
     status_t res = postMessageAsync(msg);
     if (res == NO_ERROR) {
@@ -2800,7 +2805,7 @@
         const sp<const DisplayDevice>& hw,
         uint32_t reqWidth, uint32_t reqHeight,
         uint32_t minLayerZ, uint32_t maxLayerZ,
-        bool yswap)
+        bool yswap, bool useIdentityTransform)
 {
     ATRACE_CALL();
     RenderEngine& engine(getRenderEngine());
@@ -2829,7 +2834,7 @@
             if (state.z >= minLayerZ && state.z <= maxLayerZ) {
                 if (layer->isVisible()) {
                     if (filtering) layer->setFiltering(true);
-                    layer->draw(hw);
+                    layer->draw(hw, useIdentityTransform);
                     if (filtering) layer->setFiltering(false);
                 }
             }
@@ -2846,7 +2851,8 @@
         const sp<const DisplayDevice>& hw,
         const sp<IGraphicBufferProducer>& producer,
         uint32_t reqWidth, uint32_t reqHeight,
-        uint32_t minLayerZ, uint32_t maxLayerZ)
+        uint32_t minLayerZ, uint32_t maxLayerZ,
+        bool useIdentityTransform)
 {
     ATRACE_CALL();
 
@@ -2900,7 +2906,7 @@
                         // an EGLSurface and therefore we're not
                         // dependent on the context's EGLConfig.
                         renderScreenImplLocked(hw, reqWidth, reqHeight,
-                                minLayerZ, maxLayerZ, true);
+                                minLayerZ, maxLayerZ, true, useIdentityTransform);
 
                         // Create a sync point and wait on it, so we know the buffer is
                         // ready before we pass it along.  We can't trivially call glFlush(),