auto import from //branches/cupcake/...@130745

38 files changed, 1502 insertions, 392 deletions

diff --git a/libs/audioflinger/A2dpAudioInterface.cpp b/libs/audioflinger/A2dpAudioInterface.cpp
index c8c8431..3c18036 100644
--- a/libs/audioflinger/A2dpAudioInterface.cpp
+++ b/libs/audioflinger/A2dpAudioInterface.cpp
@@ -99,6 +99,10 @@ status_t A2dpAudioInterface::setParameter(const char *key, const char *value)
     if (strcmp(key, "a2dp_sink_address") == 0) {        
         return mOutput->setAddress(value);
     }
+    if (strcmp(key, "bluetooth_enabled") == 0 &&
+        strcmp(value, "false") == 0) {
+        return mOutput->close();
+    }
 
     return 0;
 }
@@ -154,8 +158,7 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::set(
 
 A2dpAudioInterface::A2dpAudioStreamOut::~A2dpAudioStreamOut()
 {
-    if (mData)
-        a2dp_cleanup(mData);
+    close();
 }
 
 ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t bytes)
@@ -186,7 +189,8 @@ ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t
     
     return bytes;
 
-Error:   
+Error:
+    close();
     // Simulate audio output timing in case of error
     usleep(bytes * 1000000 / frameSize() / sampleRate());
 
@@ -213,17 +217,22 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::setAddress(const char* address)
 
     if (strcmp(address, mA2dpAddress)) {
         strcpy(mA2dpAddress, address);
-        
-        if (mInitialized) {
-            a2dp_cleanup(mData);
-            mData = NULL;
-            mInitialized = false;
-        }
+        close();
     }
     
     return NO_ERROR;
 }
 
+status_t A2dpAudioInterface::A2dpAudioStreamOut::close()
+{
+    if (mData) {
+        a2dp_cleanup(mData);
+        mData = NULL;
+        mInitialized = false;
+    }
+    return NO_ERROR;
+}
+
 status_t A2dpAudioInterface::A2dpAudioStreamOut::dump(int fd, const Vector<String16>& args)
 {
     return NO_ERROR;
diff --git a/libs/audioflinger/A2dpAudioInterface.h b/libs/audioflinger/A2dpAudioInterface.h
index 2197d0e..38ba684 100644
--- a/libs/audioflinger/A2dpAudioInterface.h
+++ b/libs/audioflinger/A2dpAudioInterface.h
@@ -77,10 +77,11 @@ private:
         virtual size_t      bufferSize() const { return 512 * 20; }
         virtual int         channelCount() const { return 2; }
         virtual int         format() const { return AudioSystem::PCM_16_BIT; }
-        virtual uint32_t    latency() const { return ((1000*channelCount()*bufferSize())/frameSize())/sampleRate() + 200; }
+        virtual uint32_t    latency() const { return ((1000*bufferSize())/frameSize())/sampleRate() + 200; }
         virtual status_t    setVolume(float volume) { return INVALID_OPERATION; }
         virtual ssize_t     write(const void* buffer, size_t bytes);
                 status_t    standby();
+                status_t    close();
         virtual status_t    dump(int fd, const Vector<String16>& args);
 
     private:
diff --git a/libs/audioflinger/AudioFlinger.cpp b/libs/audioflinger/AudioFlinger.cpp
index c330bc8..017a298 100644
--- a/libs/audioflinger/AudioFlinger.cpp
+++ b/libs/audioflinger/AudioFlinger.cpp
@@ -183,6 +183,7 @@ AudioFlinger::~AudioFlinger()
 void AudioFlinger::setOutput(AudioStreamOut* output)
 {
     mRequestedOutput = output;
+    mWaitWorkCV.broadcast();
 }
 
 void AudioFlinger::doSetOutput(AudioStreamOut* output)
@@ -198,6 +199,7 @@ void AudioFlinger::doSetOutput(AudioStreamOut* output)
     mFrameCount = getOutputFrameCount(output);
     mAudioMixer = (output == mA2dpOutput ? mA2dpAudioMixer : mHardwareAudioMixer);
     mOutput = output;
+    notifyOutputChange_l();
 }
 
 size_t AudioFlinger::getOutputFrameCount(AudioStreamOut* output) 
@@ -211,6 +213,8 @@ bool AudioFlinger::streamDisablesA2dp(int streamType)
     return (streamType == AudioTrack::SYSTEM ||
             streamType == AudioTrack::RING ||
             streamType == AudioTrack::ALARM ||
+            streamType == AudioTrack::VOICE_CALL ||
+            streamType == AudioTrack::BLUETOOTH_SCO ||
             streamType == AudioTrack::NOTIFICATION);
 }
 
@@ -344,7 +348,8 @@ bool AudioFlinger::threadLoop()
     int16_t* curBuf = mMixBuffer;
     Vector< sp<Track> > tracksToRemove;
     size_t enabledTracks = 0;
-    nsecs_t standbyTime = systemTime();
+    nsecs_t standbyTime = systemTime();    
+    nsecs_t outputSwitchStandbyTime = 0;
 
     do {
         enabledTracks = 0;
@@ -362,6 +367,11 @@ bool AudioFlinger::threadLoop()
                     mOutput->standby();
                     mStandby = true;
                 }
+                if (outputSwitchStandbyTime) {
+                    AudioStreamOut *output = (mOutput == mHardwareOutput) ? mA2dpOutput : mHardwareOutput;
+                    output->standby();
+                    outputSwitchStandbyTime = 0;
+                }
                 mHardwareStatus = AUDIO_HW_IDLE;
                 // we're about to wait, flush the binder command buffer
                 IPCThreadState::self()->flushCommands();
@@ -375,11 +385,18 @@ bool AudioFlinger::threadLoop()
             if (mRequestedOutput != mOutput) {
 
                 // put current output into standby mode
-                if (mOutput) mOutput->standby();
+                if (mOutput) {
+                    outputSwitchStandbyTime = systemTime() + milliseconds(mOutput->latency());
+                }
 
                 // change output
                 doSetOutput(mRequestedOutput);
             }
+            if (outputSwitchStandbyTime && systemTime() > outputSwitchStandbyTime) {
+                AudioStreamOut *output = (mOutput == mHardwareOutput) ? mA2dpOutput : mHardwareOutput;
+                output->standby();
+                outputSwitchStandbyTime = 0;
+            }
 
             // find out which tracks need to be processed
             size_t count = activeTracks.size();
@@ -481,7 +498,7 @@ bool AudioFlinger::threadLoop()
                     removeActiveTrack(track);
                     if (track->isTerminated()) {
                         mTracks.remove(track);
-                        mAudioMixer->deleteTrackName(track->mName);
+                        deleteTrackName(track->mName);
                     }
                 }
             }  
@@ -512,7 +529,7 @@ bool AudioFlinger::threadLoop()
             // active tracks were late. Sleep a little bit to give
             // them another chance. If we're too late, the audio
             // hardware will zero-fill for us.
-            LOGV("no buffers - usleep(%lu)", sleepTime);
+//            LOGV("no buffers - usleep(%lu)", sleepTime);
             usleep(sleepTime);
             if (sleepTime < kMaxBufferRecoveryInUsecs) {
                 sleepTime += kBufferRecoveryInUsecs;
@@ -802,12 +819,14 @@ status_t AudioFlinger::setStreamVolume(int stream, float value)
 
     mStreamTypes[stream].volume = value;
     status_t ret = NO_ERROR;
-    if (stream == AudioTrack::VOICE_CALL) {
+    if (stream == AudioTrack::VOICE_CALL ||
+        stream == AudioTrack::BLUETOOTH_SCO) {
         AutoMutex lock(mHardwareLock);
         mHardwareStatus = AUDIO_SET_VOICE_VOLUME;
         ret = mAudioHardware->setVoiceVolume(value);
         mHardwareStatus = AUDIO_HW_IDLE;
     }
+
     return ret;
 }
 
@@ -821,7 +840,20 @@ status_t AudioFlinger::setStreamMute(int stream, bool muted)
     if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) {
         return BAD_VALUE;
     }
+#ifdef WITH_A2DP
+    if (stream == AudioTrack::MUSIC) 
+    {
+        AutoMutex lock(&mLock);
+        if (mA2dpDisableCount > 0)
+            mMusicMuteSaved = muted;
+        else
+            mStreamTypes[stream].mute = muted;
+    } else {
+        mStreamTypes[stream].mute = muted;
+    }
+#else
     mStreamTypes[stream].mute = muted;
+#endif
     return NO_ERROR;
 }
 
@@ -838,6 +870,12 @@ bool AudioFlinger::streamMute(int stream) const
     if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) {
         return true;
     }
+#ifdef WITH_A2DP
+    if (stream == AudioTrack::MUSIC && mA2dpDisableCount > 0) 
+    {
+        return mMusicMuteSaved;
+    }
+#endif
     return mStreamTypes[stream].mute;
 }
 
@@ -869,6 +907,59 @@ status_t AudioFlinger::setParameter(const char* key, const char* value)
     return result;
 }
 
+
+void AudioFlinger::registerClient(const sp<IAudioFlingerClient>& client)
+{
+    Mutex::Autolock _l(mLock);
+
+    sp<IBinder> binder = client->asBinder();
+    if (mNotificationClients.indexOf(binder) < 0) {
+        LOGV("Adding notification client %p", binder.get());
+        binder->linkToDeath(this);
+        mNotificationClients.add(binder);
+    }
+}
+
+
+size_t AudioFlinger::getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
+{
+    return mAudioHardware->getInputBufferSize(sampleRate, format, channelCount);
+}
+
+void AudioFlinger::wakeUp()
+{
+    mWaitWorkCV.broadcast();
+}
+
+void AudioFlinger::binderDied(const wp<IBinder>& who) {
+    Mutex::Autolock _l(mLock);
+
+    IBinder *binder = who.unsafe_get();
+
+    if (binder != NULL) {
+        int index = mNotificationClients.indexOf(binder);
+        if (index >= 0) {
+            LOGV("Removing notification client %p", binder);
+            mNotificationClients.removeAt(index);
+        }
+    }
+}
+
+// must be called with mLock held
+void AudioFlinger::notifyOutputChange_l()
+{
+    size_t size = mNotificationClients.size();
+    uint32_t latency = mOutput->latency();
+    for (size_t i = 0; i < size; i++) {
+        sp<IBinder> binder = mNotificationClients.itemAt(i).promote();
+        if (binder != NULL) {
+            LOGV("Notifying output change to client %p", binder.get());
+            sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient> (binder);
+            client->audioOutputChanged(mFrameCount, mSampleRate, latency);
+        }
+    }
+}
+
 void AudioFlinger::removeClient(pid_t pid)
 {
     Mutex::Autolock _l(mLock);
@@ -920,7 +1011,7 @@ void AudioFlinger::remove_track_l(wp<Track> track, int name)
     if (t!=NULL) {
         t->reset();
     }
-    audioMixer()->deleteTrackName(name);
+    deleteTrackName(name);
     removeActiveTrack(track);
     mWaitWorkCV.broadcast();
 }
@@ -938,7 +1029,7 @@ void AudioFlinger::destroyTrack(const sp<Track>& track)
     if (mActiveTracks.indexOf(track) < 0) {
         LOGV("remove track (%d) and delete from mixer", track->name());
         mTracks.remove(track);
-        audioMixer()->deleteTrackName(keep->name());
+        deleteTrackName(keep->name());
     }
 }
 
@@ -953,9 +1044,11 @@ void AudioFlinger::addActiveTrack(const wp<Track>& t)
         if (mA2dpDisableCount++ == 0 && isA2dpEnabled()) {
             setA2dpEnabled(false);
             mA2dpSuppressed = true;
-            LOGD("mA2dpSuppressed = true\n");
+            mMusicMuteSaved = mStreamTypes[AudioTrack::MUSIC].mute;
+            mStreamTypes[AudioTrack::MUSIC].mute = true;
+            LOGV("mA2dpSuppressed = true, track %d\n", track->name());
         }
-        LOGD("mA2dpDisableCount incremented to %d\n", mA2dpDisableCount);
+        LOGV("mA2dpDisableCount incremented to %d, track %d\n", mA2dpDisableCount, track->name());
     }
 #endif
 }
@@ -969,17 +1062,45 @@ void AudioFlinger::removeActiveTrack(const wp<Track>& t)
     if (streamDisablesA2dp(track->type())) {
         if (mA2dpDisableCount > 0) {
             mA2dpDisableCount--;
+            LOGV("mA2dpDisableCount decremented to %d, track %d\n", mA2dpDisableCount, track->name());
             if (mA2dpDisableCount == 0 && mA2dpSuppressed) {
                 setA2dpEnabled(true);
                 mA2dpSuppressed = false;
-            }
-            LOGD("mA2dpDisableCount decremented to %d\n", mA2dpDisableCount);
+                mStreamTypes[AudioTrack::MUSIC].mute = mMusicMuteSaved;
+                LOGV("mA2dpSuppressed = false, track %d\n", track->name());
+            }   
         } else
             LOGE("mA2dpDisableCount is already zero");
     }
 #endif
 }
 
+int AudioFlinger::getTrackName()
+{
+    // Both mixers must have the same set of track used to avoid mismatches when
+    // switching from A2DP output to hardware output
+    int a2DpName;
+    int hwName;
+#ifdef WITH_A2DP
+    a2DpName = mA2dpAudioMixer->getTrackName();
+#endif
+    hwName = mHardwareAudioMixer->getTrackName();
+    
+    LOGW_IF((a2DpName != hwName), "getTrackName track name mismatch! A2DP %d, HW %d", a2DpName, hwName);
+    
+    return hwName;
+}
+
+void AudioFlinger::deleteTrackName(int name)
+{
+    // Both mixers must have the same set of track used to avoid mismatches when
+    // switching from A2DP output to hardware output
+    mHardwareAudioMixer->deleteTrackName(name);
+#ifdef WITH_A2DP
+    mA2dpAudioMixer->deleteTrackName(name);
+#endif
+}
+
 // ----------------------------------------------------------------------------
 
 AudioFlinger::Client::Client(const sp<AudioFlinger>& audioFlinger, pid_t pid)
@@ -1022,7 +1143,8 @@ AudioFlinger::TrackBase::TrackBase(
         mFormat(format),
         mFlags(0)
 {
-    mName = audioFlinger->audioMixer()->getTrackName();
+    mName = audioFlinger->getTrackName();
+    LOGV("TrackBase contructor name %d, calling thread %d", mName, IPCThreadState::self()->getCallingPid());
     if (mName < 0) {
         LOGE("no more track names availlable");
         return;
@@ -1237,14 +1359,14 @@ bool AudioFlinger::Track::isReady() const {
 
 status_t AudioFlinger::Track::start()
 {
-    LOGV("start(%d)", mName);
+    LOGV("start(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
     mAudioFlinger->addTrack(this);
     return NO_ERROR;
 }
 
 void AudioFlinger::Track::stop()
 {
-    LOGV("stop(%d)", mName);
+    LOGV("stop(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
     Mutex::Autolock _l(mAudioFlinger->mLock);
     if (mState > STOPPED) {
         mState = STOPPED;
@@ -1258,7 +1380,7 @@ void AudioFlinger::Track::stop()
 
 void AudioFlinger::Track::pause()
 {
-    LOGV("pause(%d)", mName);
+    LOGV("pause(%d), calling thread %d", mName, IPCThreadState::self()->getCallingPid());
     Mutex::Autolock _l(mAudioFlinger->mLock);
     if (mState == ACTIVE || mState == RESUMING) {
         mState = PAUSING;
@@ -1485,7 +1607,7 @@ AudioFlinger::RecordTrack::RecordTrack(
 
 AudioFlinger::RecordTrack::~RecordTrack()
 {
-    mAudioFlinger->audioMixer()->deleteTrackName(mName);
+    mAudioFlinger->deleteTrackName(mName);
 }
 
 status_t AudioFlinger::RecordTrack::getNextBuffer(AudioBufferProvider::Buffer* buffer)
diff --git a/libs/audioflinger/AudioFlinger.h b/libs/audioflinger/AudioFlinger.h
index 9ab362a..38fa001 100644
--- a/libs/audioflinger/AudioFlinger.h
+++ b/libs/audioflinger/AudioFlinger.h
@@ -22,6 +22,7 @@
 #include <sys/types.h>
 
 #include <media/IAudioFlinger.h>
+#include <media/IAudioFlingerClient.h>
 #include <media/IAudioTrack.h>
 #include <media/IAudioRecord.h>
 #include <media/AudioTrack.h>
@@ -54,7 +55,7 @@ class AudioBuffer;
 
 static const nsecs_t kStandbyTimeInNsecs = seconds(3);
 
-class AudioFlinger : public BnAudioFlinger, protected Thread
+class AudioFlinger : public BnAudioFlinger, protected Thread, public IBinder::DeathRecipient 
 {
 public:
     static void instantiate();
@@ -109,6 +110,15 @@ public:
 
     virtual     status_t    setParameter(const char* key, const char* value);
 
+    virtual     void        registerClient(const sp<IAudioFlingerClient>& client);
+    
+    virtual     size_t      getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
+    
+    virtual     void        wakeUp();
+    
+    // IBinder::DeathRecipient
+    virtual     void        binderDied(const wp<IBinder>& who);
+
     enum hardware_call_state {
         AUDIO_HW_IDLE = 0,
         AUDIO_HW_INIT,
@@ -314,7 +324,7 @@ private:
         virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
 
         bool isMuted() const {
-            return mMute;
+            return (mMute || mAudioFlinger->mStreamTypes[mStreamType].mute);
         }
 
         bool isPausing() const {
@@ -382,6 +392,8 @@ private:
                 void        destroyTrack(const sp<Track>& track);
                 void        addActiveTrack(const wp<Track>& track);
                 void        removeActiveTrack(const wp<Track>& track);
+                int         getTrackName();
+                void        deleteTrackName(int name);
 
                 AudioMixer* audioMixer() {
                     return mAudioMixer;
@@ -460,6 +472,8 @@ private:
                 status_t    startRecord(RecordTrack* recordTrack);
                 void        stopRecord(RecordTrack* recordTrack);
 
+                void notifyOutputChange_l();
+
     mutable     Mutex                                       mHardwareLock;
     mutable     Mutex                                       mLock;
     mutable     Condition                                   mWaitWorkCV;
@@ -494,6 +508,8 @@ private:
                 bool                                mInWrite;
                 int                                 mA2dpDisableCount;
                 bool                                mA2dpSuppressed;
+                bool                                mMusicMuteSaved;
+                SortedVector< wp<IBinder> >         mNotificationClients;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/Android.mk b/libs/surfaceflinger/Android.mk
index d14cebf..53ba3bc 100644
--- a/libs/surfaceflinger/Android.mk
+++ b/libs/surfaceflinger/Android.mk
@@ -15,7 +15,9 @@ LOCAL_SRC_FILES:= \
     LayerBlur.cpp \
     LayerBitmap.cpp \
     LayerDim.cpp \
+    LayerOrientationAnim.cpp \
     LayerScreenshot.cpp \
+    OrientationAnimation.cpp \
     RFBServer.cpp \
     SurfaceFlinger.cpp \
     Tokenizer.cpp \
@@ -38,7 +40,8 @@ LOCAL_SHARED_LIBRARIES := \
 	libcorecg \
 	libsgl \
 	libpixelflinger \
-	libGLES_CM
+	libEGL \
+	libGLESv1_CM
 
 LOCAL_C_INCLUDES := \
 	$(call include-path-for, corecg graphics)
diff --git a/libs/surfaceflinger/BootAnimation.cpp b/libs/surfaceflinger/BootAnimation.cpp
index d18f59a..2b30336 100644
--- a/libs/surfaceflinger/BootAnimation.cpp
+++ b/libs/surfaceflinger/BootAnimation.cpp
@@ -39,7 +39,9 @@
 #include <core/SkBitmap.h>
 #include <images/SkImageDecoder.h>
 
-#include <GLES/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/eglext.h>
 
 #include "BootAnimation.h"
 
@@ -47,32 +49,28 @@ namespace android {
 
 // ---------------------------------------------------------------------------
 
-BootAnimation::BootAnimation(const sp<ISurfaceComposer>& composer)
-:   Thread(false)
-{
+BootAnimation::BootAnimation(const sp<ISurfaceComposer>& composer) :
+    Thread(false) {
     mSession = SurfaceComposerClient::clientForConnection(
             composer->createConnection()->asBinder());
 }
 
-BootAnimation::~BootAnimation()
-{
+BootAnimation::~BootAnimation() {
 }
 
-void BootAnimation::onFirstRef()
-{
+void BootAnimation::onFirstRef() {
     run("BootAnimation", PRIORITY_DISPLAY);
 }
 
-const sp<SurfaceComposerClient>& BootAnimation::session() const 
-{
+const sp<SurfaceComposerClient>& BootAnimation::session() const {
     return mSession;
 }
 
-status_t BootAnimation::initTexture(
-        Texture* texture, AssetManager& assets, const char* name)
-{
+status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
+        const char* name) {
     Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
-    if (!asset) return NO_INIT;
+    if (!asset)
+        return NO_INIT;
     SkBitmap bitmap;
     SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(),
             &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode);
@@ -84,32 +82,32 @@ status_t BootAnimation::initTexture(
     bitmap.lockPixels();
 
     const int w = bitmap.width();
-    const int h = bitmap.height();    
+    const int h = bitmap.height();
     const void* p = bitmap.getPixels();
-    
+
     GLint crop[4] = { 0, h, w, -h };
     texture->w = w;
     texture->h = h;
 
     glGenTextures(1, &texture->name);
     glBindTexture(GL_TEXTURE_2D, texture->name);
-    
-    switch(bitmap.getConfig()) {
+
+    switch (bitmap.getConfig()) {
         case SkBitmap::kA8_Config:
-            glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0,
-                    GL_ALPHA, GL_UNSIGNED_BYTE, p);
+            glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
+                    GL_UNSIGNED_BYTE, p);
             break;
         case SkBitmap::kARGB_4444_Config:
-            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0,
-                    GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, p);
+            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
+                    GL_UNSIGNED_SHORT_4_4_4_4, p);
             break;
         case SkBitmap::kARGB_8888_Config:
-            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0,
-                    GL_RGBA, GL_UNSIGNED_BYTE, p);
+            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
+                    GL_UNSIGNED_BYTE, p);
             break;
         case SkBitmap::kRGB_565_Config:
-            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0,
-                    GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p);
+            glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
+                    GL_UNSIGNED_SHORT_5_6_5, p);
             break;
         default:
             break;
@@ -123,8 +121,7 @@ status_t BootAnimation::initTexture(
     return NO_ERROR;
 }
 
-status_t BootAnimation::readyToRun()
-{
+status_t BootAnimation::readyToRun() {
     mAssets.addDefaultAssets();
 
     DisplayInfo dinfo;
@@ -133,32 +130,27 @@ status_t BootAnimation::readyToRun()
         return -1;
 
     // create the native surface
-    sp<Surface> s = session()->createSurface(getpid(), 0, 
-            dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
+    sp<Surface> s = session()->createSurface(getpid(), 0, dinfo.w, dinfo.h,
+            PIXEL_FORMAT_RGB_565);
     session()->openTransaction();
     s->setLayer(0x40000000);
     session()->closeTransaction();
 
     // initialize opengl and egl
-    const EGLint attribs[] = {
-            EGL_RED_SIZE,       5,
-            EGL_GREEN_SIZE,     6,
-            EGL_BLUE_SIZE,      5,
-            EGL_DEPTH_SIZE,     0,
-            EGL_NONE
-    };
+    const EGLint attribs[] = { EGL_RED_SIZE, 5, EGL_GREEN_SIZE, 6,
+            EGL_BLUE_SIZE, 5, EGL_DEPTH_SIZE, 0, EGL_NONE };
     EGLint w, h, dummy;
     EGLint numConfigs;
     EGLConfig config;
     EGLSurface surface;
     EGLContext context;
     EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-    eglInitialize(display, NULL, NULL);
     eglChooseConfig(display, attribs, &config, 1, &numConfigs);
 
-    surface = eglCreateWindowSurface(
-            display, config, new EGLNativeWindowSurface(s), NULL);
-    
+    mNativeWindowSurface = new EGLNativeWindowSurface(s);
+    surface = eglCreateWindowSurface(display, config, 
+            mNativeWindowSurface.get(), NULL);
+
     context = eglCreateContext(display, config, NULL, NULL);
     eglQuerySurface(display, surface, EGL_WIDTH, &w);
     eglQuerySurface(display, surface, EGL_HEIGHT, &h);
@@ -167,7 +159,7 @@ status_t BootAnimation::readyToRun()
     mContext = context;
     mSurface = surface;
     mWidth = w;
-    mHeight= h;
+    mHeight = h;
     mFlingerSurface = s;
 
     // initialize GL
@@ -180,25 +172,21 @@ status_t BootAnimation::readyToRun()
     return NO_ERROR;
 }
 
-void BootAnimation::requestExit()
-{
+void BootAnimation::requestExit() {
     mBarrier.open();
     Thread::requestExit();
 }
 
-bool BootAnimation::threadLoop()
-{
+bool BootAnimation::threadLoop() {
     bool r = android();
-    eglMakeCurrent(mDisplay, 0, 0, 0);
-    eglDestroyContext(mDisplay, mContext);    
+    eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+    eglDestroyContext(mDisplay, mContext);
     eglDestroySurface(mDisplay, mSurface);
-    eglTerminate(mDisplay);
+    mNativeWindowSurface.clear();
     return r;
 }
 
-
-bool BootAnimation::android()
-{
+bool BootAnimation::android() {
     initTexture(&mAndroid[0], mAssets, "images/android_320x480.png");
     initTexture(&mAndroid[1], mAssets, "images/boot_robot.png");
     initTexture(&mAndroid[2], mAssets, "images/boot_robot_glow.png");
@@ -219,9 +207,9 @@ bool BootAnimation::android()
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
     const int steps = 8;
-    for (int i=1 ; i<steps ; i++) {
+    for (int i = 1; i < steps; i++) {
         float fade = i / float(steps);
-        glColor4f(1, 1, 1, fade*fade);
+        glColor4f(1, 1, 1, fade * fade);
         glClear(GL_COLOR_BUFFER_BIT);
         glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h);
         eglSwapBuffers(mDisplay, mSurface);
@@ -232,79 +220,73 @@ bool BootAnimation::android()
     glDisable(GL_BLEND);
     glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h);
     eglSwapBuffers(mDisplay, mSurface);
-    
-    
+
     // update rect for the robot
     const int x = mWidth - mAndroid[1].w - 33;
-    const int y = (mHeight - mAndroid[1].h)/2 - 1;
-    const Rect updateRect(x, y, x+mAndroid[1].w, y+mAndroid[1].h);
+    const int y = (mHeight - mAndroid[1].h) / 2 - 1;
+    const Rect updateRect(x, y, x + mAndroid[1].w, y + mAndroid[1].h);
 
     // draw and update only what we need
-    eglSwapRectangleANDROID(mDisplay, mSurface,
-            updateRect.left, updateRect.top, 
-            updateRect.width(), updateRect.height());
+    mNativeWindowSurface->setSwapRectangle(updateRect.left,
+            updateRect.top, updateRect.width(), updateRect.height());
 
     glEnable(GL_SCISSOR_TEST);
-    glScissor(updateRect.left, mHeight-updateRect.bottom,
-            updateRect.width(), updateRect.height()); 
+    glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
+            updateRect.height());
 
     const nsecs_t startTime = systemTime();
-    do
-    {
+    do {
         // glow speed and shape
         nsecs_t time = systemTime() - startTime;
-        float t = ((4.0f/(360.0f*us2ns(16667))) * time);
+        float t = ((4.0f / (360.0f * us2ns(16667))) * time);
         t = t - floorf(t);
-        const float fade = 0.5f + 0.5f*sinf(t * 2*M_PI);
+        const float fade = 0.5f + 0.5f * sinf(t * 2 * M_PI);
 
         // fade the glow in and out
         glDisable(GL_BLEND);
         glBindTexture(GL_TEXTURE_2D, mAndroid[2].name);
         glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
         glColor4f(fade, fade, fade, fade);
-        glDrawTexiOES(updateRect.left, mHeight-updateRect.bottom, 0,
+        glDrawTexiOES(updateRect.left, mHeight - updateRect.bottom, 0,
                 updateRect.width(), updateRect.height());
 
         // draw the robot
         glEnable(GL_BLEND);
         glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
         glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-        glDrawTexiOES(updateRect.left, mHeight-updateRect.bottom, 0,
+        glDrawTexiOES(updateRect.left, mHeight - updateRect.bottom, 0,
                 updateRect.width(), updateRect.height());
 
         // make sure sleep a lot to not take too much CPU away from 
         // the boot process. With this "glow" animation there is no
         // visible difference. 
-        usleep(16667*4);
+        usleep(16667 * 4);
 
         eglSwapBuffers(mDisplay, mSurface);
     } while (!exitPending());
-    
-    
+
     glDeleteTextures(1, &mAndroid[0].name);
     glDeleteTextures(1, &mAndroid[1].name);
     glDeleteTextures(1, &mAndroid[2].name);
     return false;
 }
 
-
-bool BootAnimation::cylon()
-{
+bool BootAnimation::cylon() {
     // initialize the textures...
-    initTexture(&mLeftTrail,  mAssets, "images/cylon_left.png");
+    initTexture(&mLeftTrail, mAssets, "images/cylon_left.png");
     initTexture(&mRightTrail, mAssets, "images/cylon_right.png");
     initTexture(&mBrightSpot, mAssets, "images/cylon_dot.png");
 
     int w = mWidth;
     int h = mHeight;
 
-    const Point c(w/2 , h/2);
+    const Point c(w / 2, h / 2);
     const GLint amplitude = 60;
-    const int scx = c.x - amplitude - mBrightSpot.w/2;
-    const int scy = c.y - mBrightSpot.h/2;
-    const int scw = amplitude*2 + mBrightSpot.w;
+    const int scx = c.x - amplitude - mBrightSpot.w / 2;
+    const int scy = c.y - mBrightSpot.h / 2;
+    const int scw = amplitude * 2 + mBrightSpot.w;
     const int sch = mBrightSpot.h;
-    const Rect updateRect(scx, h-scy-sch, scx+scw, h-scy);
+    const Rect updateRect(scx, h - scy - sch, scx + scw, h - scy);
 
     // erase screen
     glDisable(GL_SCISSOR_TEST);
@@ -314,33 +296,29 @@ bool BootAnimation::cylon()
 
     glClear(GL_COLOR_BUFFER_BIT);
 
-    eglSwapRectangleANDROID(mDisplay, mSurface,
-            updateRect.left, updateRect.top, 
-            updateRect.width(), updateRect.height());
+    mNativeWindowSurface->setSwapRectangle(updateRect.left,
+            updateRect.top, updateRect.width(), updateRect.height());
 
     glEnable(GL_SCISSOR_TEST);
     glEnable(GL_BLEND);
     glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
 
-
     // clear the screen to white
     Point p;
     float t = 0;
     float alpha = 1.0f;
     const nsecs_t startTime = systemTime();
     nsecs_t fadeTime = 0;
-    
-    do
-    {
+
+    do {
         // Set scissor in interesting area
-        glScissor(scx, scy, scw, sch); 
+        glScissor(scx, scy, scw, sch);
 
         // erase screen
         glClear(GL_COLOR_BUFFER_BIT);
 
-
         // compute wave
-        const float a = (t * 2*M_PI) - M_PI/2;
+        const float a = (t * 2 * M_PI) - M_PI / 2;
         const float sn = sinf(a);
         const float cs = cosf(a);
         GLint x = GLint(amplitude * sn);
@@ -350,50 +328,50 @@ bool BootAnimation::cylon()
 
         if (derivative > 0) {
             // vanishing trail...
-            p.x = (-amplitude + c.x) - mBrightSpot.w/2;
-            p.y = c.y-mLeftTrail.h/2;
-            float fade = 2.0f*(0.5f-t);
+            p.x = (-amplitude + c.x) - mBrightSpot.w / 2;
+            p.y = c.y - mLeftTrail.h / 2;
+            float fade = 2.0f * (0.5f - t);
             //fade *= fade;
             glColor4f(fade, fade, fade, fade);
             glBindTexture(GL_TEXTURE_2D, mLeftTrail.name);
             glDrawTexiOES(p.x, p.y, 0, mLeftTrail.w, mLeftTrail.h);
 
             // trail...
-            p.x = (x + c.x) - (mRightTrail.w + mBrightSpot.w/2) + 16;
-            p.y = c.y-mRightTrail.h/2;
-            fade = t<0.25f ? t*4.0f : 1.0f;
+            p.x = (x + c.x) - (mRightTrail.w + mBrightSpot.w / 2) + 16;
+            p.y = c.y - mRightTrail.h / 2;
+            fade = t < 0.25f ? t * 4.0f : 1.0f;
             fade *= fade;
             glColor4f(fade, fade, fade, fade);
             glBindTexture(GL_TEXTURE_2D, mRightTrail.name);
             glDrawTexiOES(p.x, p.y, 0, mRightTrail.w, mRightTrail.h);
-        } else { 
+        } else {
             // vanishing trail..
-            p.x = (amplitude + c.x) - (mRightTrail.w + mBrightSpot.w/2) + 16;
-            p.y = c.y-mRightTrail.h/2;
-            float fade = 2.0f*(0.5f-(t-0.5f));
+            p.x = (amplitude + c.x) - (mRightTrail.w + mBrightSpot.w / 2) + 16;
+            p.y = c.y - mRightTrail.h / 2;
+            float fade = 2.0f * (0.5f - (t - 0.5f));
             //fade *= fade;
             glColor4f(fade, fade, fade, fade);
             glBindTexture(GL_TEXTURE_2D, mRightTrail.name);
             glDrawTexiOES(p.x, p.y, 0, mRightTrail.w, mRightTrail.h);
 
             // trail...
-            p.x = (x + c.x) - mBrightSpot.w/2;
-            p.y = c.y-mLeftTrail.h/2;
-            fade = t<0.5f+0.25f ? (t-0.5f)*4.0f : 1.0f;
+            p.x = (x + c.x) - mBrightSpot.w / 2;
+            p.y = c.y - mLeftTrail.h / 2;
+            fade = t < 0.5f + 0.25f ? (t - 0.5f) * 4.0f : 1.0f;
             fade *= fade;
             glColor4f(fade, fade, fade, fade);
             glBindTexture(GL_TEXTURE_2D, mLeftTrail.name);
             glDrawTexiOES(p.x, p.y, 0, mLeftTrail.w, mLeftTrail.h);
         }
 
-        const Point p( x + c.x-mBrightSpot.w/2, c.y-mBrightSpot.h/2 );
+        const Point p(x + c.x - mBrightSpot.w / 2, c.y - mBrightSpot.h / 2);
         glBindTexture(GL_TEXTURE_2D, mBrightSpot.name);
-        glColor4f(1,0.5,0.5,1);
+        glColor4f(1, 0.5, 0.5, 1);
         glDrawTexiOES(p.x, p.y, 0, mBrightSpot.w, mBrightSpot.h);
 
         // update animation
         nsecs_t time = systemTime() - startTime;
-        t = ((4.0f/(360.0f*us2ns(16667))) * time);
+        t = ((4.0f / (360.0f * us2ns(16667))) * time);
         t = t - floorf(t);
 
         eglSwapBuffers(mDisplay, mSurface);
@@ -406,7 +384,7 @@ bool BootAnimation::cylon()
             alpha = 1.0f - ((float(time) * 6.0f) / float(s2ns(1)));
 
             session()->openTransaction();
-            mFlingerSurface->setAlpha(alpha*alpha);
+            mFlingerSurface->setAlpha(alpha * alpha);
             session()->closeTransaction();
         }
     } while (alpha > 0);
@@ -421,4 +399,5 @@ bool BootAnimation::cylon()
 
 // ---------------------------------------------------------------------------
 
-}; // namespace android
+}
+; // namespace android
diff --git a/libs/surfaceflinger/BootAnimation.h b/libs/surfaceflinger/BootAnimation.h
index a4a6d49..b20cea0 100644
--- a/libs/surfaceflinger/BootAnimation.h
+++ b/libs/surfaceflinger/BootAnimation.h
@@ -26,7 +26,8 @@
 #include <ui/ISurfaceComposer.h>
 #include <ui/SurfaceComposerClient.h>
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
+#include <GLES/gl.h>
 
 #include "Barrier.h"
 
@@ -35,6 +36,7 @@ class SkBitmap;
 namespace android {
 
 class AssetManager;
+class EGLNativeWindowSurface;
 
 // ---------------------------------------------------------------------------
 
@@ -74,6 +76,7 @@ private:
     EGLDisplay  mContext;
     EGLDisplay  mSurface;
     sp<Surface> mFlingerSurface;
+    sp<EGLNativeWindowSurface> mNativeWindowSurface;
     Barrier mBarrier;
 };
 
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index 92588fa..f14d7e9 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -21,14 +21,16 @@
 #include <string.h>
 #include <math.h>
 
-#include <GLES/egl.h>
-
 #include <cutils/properties.h>
 
 #include <utils/Log.h>
 
 #include <ui/EGLDisplaySurface.h>
 
+#include <GLES/gl.h>
+#include <EGL/eglext.h>
+
+
 #include "DisplayHardware/DisplayHardware.h"
 
 #include <hardware/copybit.h>
@@ -136,26 +138,19 @@ void DisplayHardware::init(uint32_t dpy)
     const char* const egl_extensions = eglQueryString(
             display, EGL_EXTENSIONS);
     
-    const char* egl_extensions_config = egl_extensions;
-    
-    if (strstr(egl_extensions, "EGL_ANDROID_query_string_config")) {
-        egl_extensions_config = eglQueryStringConfigANDROID(
-                display, config, EGL_EXTENSIONS);
-    }
-
     LOGI("EGL informations:");
     LOGI("# of configs : %d", numConfigs);
     LOGI("vendor    : %s", eglQueryString(display, EGL_VENDOR));
     LOGI("version   : %s", eglQueryString(display, EGL_VERSION));
     LOGI("extensions: %s", egl_extensions);
-    LOGI("ext/config: %s", egl_extensions_config);
     LOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS)?:"Not Supported");
 
-    if (strstr(egl_extensions_config, "EGL_ANDROID_swap_rectangle")) {
-        mFlags |= SWAP_RECTANGLE_EXTENSION;
-        // TODO: get the real "update_on_demand" behavior
-        mFlags |= UPDATE_ON_DEMAND;
-    }
+    // TODO: get this from the devfb driver (probably should be HAL module)
+    mFlags |= SWAP_RECTANGLE_EXTENSION;
+    
+    // TODO: get the real "update_on_demand" behavior (probably should be HAL module)
+    mFlags |= UPDATE_ON_DEMAND;
+
     if (eglGetConfigAttrib(display, config, EGL_CONFIG_CAVEAT, &dummy) == EGL_TRUE) {
         if (dummy == EGL_SLOW_CONFIG)
             mFlags |= SLOW_CONFIG;
@@ -173,9 +168,6 @@ void DisplayHardware::init(uint32_t dpy)
     if (eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &dummy) == EGL_TRUE) {
         if (dummy == EGL_BUFFER_PRESERVED) {
             mFlags |= BUFFER_PRESERVED;
-            if (strstr(egl_extensions_config, "EGL_ANDROID_copy_front_to_back")) {
-                mFlags |= COPY_BACK_EXTENSION;
-            }
         }
     }
     
@@ -330,8 +322,7 @@ void DisplayHardware::flip(const Region& dirty) const
 
     if (mFlags & SWAP_RECTANGLE_EXTENSION) {
         const Rect& b(newDirty.bounds());
-        eglSwapRectangleANDROID(
-                dpy, surface,
+        mDisplaySurface->setSwapRectangle(
                 b.left, b.top, b.width(), b.height());
     }
 
@@ -352,3 +343,11 @@ void DisplayHardware::makeCurrent() const
 {
     eglMakeCurrent(mDisplay, mSurface, mSurface, mContext);
 }
+
+void DisplayHardware::copyFrontToImage(const copybit_image_t& front) const {
+    mDisplaySurface->copyFrontToImage(front);
+}
+
+void DisplayHardware::copyBackToImage(const copybit_image_t& front) const {
+    mDisplaySurface->copyBackToImage(front);
+}
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h b/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
index df97b60..550a4d1 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
@@ -22,7 +22,7 @@
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
 
 #include "DisplayHardware/DisplayHardwareBase.h"
 
@@ -39,7 +39,6 @@ class DisplayHardware : public DisplayHardwareBase
 {
 public:
     enum {
-        COPY_BACK_EXTENSION     = 0x00000001,
         DIRECT_TEXTURE          = 0x00000002,
         SWAP_RECTANGLE_EXTENSION= 0x00000004,
         COPY_BITS_EXTENSION     = 0x00000008,
@@ -80,6 +79,9 @@ public:
     copybit_device_t* getBlitEngine() const { return mBlitEngine; }
     overlay_control_device_t* getOverlayEngine() const { return mOverlayEngine; }
     
+    void copyFrontToImage(const copybit_image_t& front) const;
+    void copyBackToImage(const copybit_image_t& front) const;
+       
     Rect bounds() const {
         return Rect(mWidth, mHeight);
     }
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index f65d669..31e63ef 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -186,9 +186,7 @@ void Layer::onDraw(const Region& clip) const
         copybit_device_t* copybit = mFlinger->getBlitEngine();
         copybit->set_parameter(copybit, COPYBIT_TRANSFORM, getOrientation());
         copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha);
-        copybit->set_parameter(copybit, COPYBIT_DITHER,
-                s.flags & ISurfaceComposer::eLayerDither ?
-                        COPYBIT_ENABLE : COPYBIT_DISABLE);
+        copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
 
         region_iterator it(clip);
         err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index bdefba3..9277a64 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -23,6 +23,9 @@
 #include <utils/Errors.h>
 #include <utils/Log.h>
 
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
 #include "clz.h"
 #include "LayerBase.h"
 #include "LayerBlur.h"
@@ -111,6 +114,12 @@ void LayerBase::commitTransaction(bool skipSize) {
         mDrawingState.h = h;
     }
 }
+void LayerBase::forceVisibilityTransaction() {
+    // this can be called without SurfaceFlinger.mStateLock, but if we
+    // can atomically increment the sequence number, it doesn't matter.
+    android_atomic_inc(&mCurrentState.sequence);
+    requestTransaction();
+}
 bool LayerBase::requestTransaction() {
     int32_t old = setTransactionFlags(eTransactionNeeded);
     return ((old & eTransactionNeeded) == 0);
@@ -220,10 +229,15 @@ Point LayerBase::getPhysicalSize() const
     return Point(front.w, front.h);
 }
 
+Transform LayerBase::getDrawingStateTransform() const
+{
+    return drawingState().transform;
+}
+
 void LayerBase::validateVisibility(const Transform& planeTransform)
 {
     const Layer::State& s(drawingState());
-    const Transform tr(planeTransform * s.transform);
+    const Transform tr(planeTransform * getDrawingStateTransform());
     const bool transformed = tr.transformed();
    
     const Point size(getPhysicalSize());
@@ -350,6 +364,10 @@ void LayerBase::draw(const Region& inClip) const
             return;
         }        
     }
+
+    // reset GL state
+    glEnable(GL_SCISSOR_TEST);
+
     onDraw(clip);
 
     /*
@@ -391,6 +409,7 @@ void LayerBase::clearWithOpenGL(const Region& clip) const
     Rect r;
     Region::iterator iterator(clip);
     if (iterator) {
+        glEnable(GL_SCISSOR_TEST);
         glVertexPointer(2, GL_FIXED, 0, mVertices);
         while (iterator.iterate(&r)) {
             const GLint sy = fbHeight - (r.top + r.height());
diff --git a/libs/surfaceflinger/LayerBase.h b/libs/surfaceflinger/LayerBase.h
index 5e14dc8..2377a14 100644
--- a/libs/surfaceflinger/LayerBase.h
+++ b/libs/surfaceflinger/LayerBase.h
@@ -86,8 +86,8 @@ public:
                 uint32_t        z;
                 uint8_t         alpha;
                 uint8_t         flags;
-                uint8_t         sequence;   // changes when visible regions can change
-                uint8_t         reserved;
+                uint8_t         reserved[2];
+                int32_t         sequence;   // changes when visible regions can change
                 uint32_t        tint;
                 Transform       transform;
                 Region          transparentRegion;
@@ -104,11 +104,11 @@ public:
             
             void commitTransaction(bool skipSize);
             bool requestTransaction();
-
+            void forceVisibilityTransaction();
+            
             uint32_t getTransactionFlags(uint32_t flags);
             uint32_t setTransactionFlags(uint32_t flags);
             
-            void validateVisibility(const Transform& globalTransform);
             Rect visibleBounds() const;
             void drawRegion(const Region& reg) const;
 
@@ -162,7 +162,19 @@ public:
      * the bitmap (as opposed to the size of the drawing state).
      */
     virtual Point getPhysicalSize() const;
-    
+
+    /**
+     * validateVisibility - cache a bunch of things
+     */
+    virtual void validateVisibility(const Transform& globalTransform);
+
+    /**
+     * getDrawingStateTransform - returns the drawing state's transform.
+     * This is used in validateVisibility() and can be use to override or
+     * modify the transform (if so make sure to trigger a transaction).
+     */
+    virtual Transform getDrawingStateTransform() const;
+
     /**
      * lockPageFlip - called each time the screen is redrawn and returns whether
      * the visible regions need to be recomputed (this is a fairly heavy
@@ -320,8 +332,7 @@ public:
             *params = mParams;
         }
 
-        virtual status_t registerBuffers(int w, int h, int hstride, int vstride,
-                PixelFormat format, const sp<IMemoryHeap>& heap) 
+        virtual status_t registerBuffers(const ISurface::BufferHeap& buffers) 
                 { return INVALID_OPERATION; }
         virtual void postBuffer(ssize_t offset) { }
         virtual void unregisterBuffers() { };
diff --git a/libs/surfaceflinger/LayerBitmap.cpp b/libs/surfaceflinger/LayerBitmap.cpp
index 7c98857..e844350 100644
--- a/libs/surfaceflinger/LayerBitmap.cpp
+++ b/libs/surfaceflinger/LayerBitmap.cpp
@@ -69,18 +69,15 @@ status_t LayerBitmap::setBits(uint32_t w, uint32_t h, uint32_t alignment,
         return NO_ERROR;
     }
 
+    PixelFormatInfo info;
+    getPixelFormatInfo(format, &info);
+
     uint32_t allocFlags = MemoryDealer::PAGE_ALIGNED;
     const uint32_t align = 4; // must match GL_UNPACK_ALIGNMENT
-    const uint32_t Bpp = bytesPerPixel(format);
+    const uint32_t Bpp = info.bytesPerPixel;
     uint32_t stride = (w + (alignment-1)) & ~(alignment-1);
     stride = ((stride * Bpp + (align-1)) & ~(align-1)) / Bpp;
-    size_t size = stride * h * Bpp;
-    if (format == PIXEL_FORMAT_YCbCr_422_SP ||
-        format == PIXEL_FORMAT_YCbCr_420_SP) {
-        // in YUV planar, bitsPerPixel is for the Y plane
-        size = (size * bitsPerPixel(format)) / 8;
-    }
-
+    size_t size = info.getScanlineSize(stride) * h;
     if (allocFlags & MemoryDealer::PAGE_ALIGNED) {
         size_t pagesize = getpagesize();
         size = (size + (pagesize-1)) & ~(pagesize-1);
diff --git a/libs/surfaceflinger/LayerBitmap.h b/libs/surfaceflinger/LayerBitmap.h
index 4c2eb50..9ad64c4 100644
--- a/libs/surfaceflinger/LayerBitmap.h
+++ b/libs/surfaceflinger/LayerBitmap.h
@@ -70,9 +70,6 @@ public:
     void getBitmapSurface(copybit_image_t* img) const;
 
 private:
-    LayerBitmap(const LayerBitmap& rhs);
-    LayerBitmap& operator = (const LayerBitmap& rhs);
-
     sp<MemoryDealer>        mAllocator;
     sp<IMemory>             mBitsMemory;
     uint32_t                mAllocFlags;
diff --git a/libs/surfaceflinger/LayerBlur.cpp b/libs/surfaceflinger/LayerBlur.cpp
index efadbcf..d3e456f 100644
--- a/libs/surfaceflinger/LayerBlur.cpp
+++ b/libs/surfaceflinger/LayerBlur.cpp
@@ -23,6 +23,9 @@
 #include <utils/Errors.h>
 #include <utils/Log.h>
 
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
 #include "BlurFilter.h"
 #include "LayerBlur.h"
 #include "SurfaceFlinger.h"
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index c9cebf4..fc0a603 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -25,6 +25,9 @@
 #include <utils/Log.h>
 #include <utils/StopWatch.h>
 
+#include <utils/IPCThreadState.h>
+#include <utils/IServiceManager.h>
+
 #include <ui/PixelFormat.h>
 #include <ui/EGLDisplaySurface.h>
 
@@ -100,6 +103,15 @@ void LayerBuffer::unregisterBuffers()
         source->unregisterBuffers();
 }
 
+Transform LayerBuffer::getDrawingStateTransform() const
+{
+    Transform tr(LayerBaseClient::getDrawingStateTransform());
+    sp<Source> source(getSource());
+    if (source != 0)
+        source->updateTransform(&tr);
+    return tr;
+}
+
 uint32_t LayerBuffer::doTransaction(uint32_t flags)
 {
     sp<Source> source(getSource());
@@ -132,15 +144,13 @@ void LayerBuffer::onDraw(const Region& clip) const
 /**
  * This creates a "buffer" source for this surface
  */
-status_t LayerBuffer::registerBuffers(int w, int h, int hstride, int vstride,
-        PixelFormat format, const sp<IMemoryHeap>& memoryHeap)
+status_t LayerBuffer::registerBuffers(const ISurface::BufferHeap& buffers)
 {
     Mutex::Autolock _l(mLock);
     if (mSource != 0)
         return INVALID_OPERATION;
 
-    sp<BufferSource> source = new BufferSource(*this, w, h,
-            hstride, vstride, format, memoryHeap);
+    sp<BufferSource> source = new BufferSource(*this, buffers);
 
     status_t result = source->getStatus();
     if (result == NO_ERROR) {
@@ -194,13 +204,39 @@ LayerBuffer::SurfaceBuffer::~SurfaceBuffer()
     mOwner = 0;
 }
 
-status_t LayerBuffer::SurfaceBuffer::registerBuffers(
-        int w, int h, int hs, int vs,
-        PixelFormat format, const sp<IMemoryHeap>& heap)
+status_t LayerBuffer::SurfaceBuffer::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch (code) {
+        case REGISTER_BUFFERS:
+        case UNREGISTER_BUFFERS:
+        case CREATE_OVERLAY:
+        {
+            // codes that require permission check
+            IPCThreadState* ipc = IPCThreadState::self();
+            const int pid = ipc->getCallingPid();
+            const int self_pid = getpid();
+            if (LIKELY(pid != self_pid)) {
+                // we're called from a different process, do the real check
+                if (!checkCallingPermission(
+                        String16("android.permission.ACCESS_SURFACE_FLINGER")))
+                {
+                    const int uid = ipc->getCallingUid();
+                    LOGE("Permission Denial: "
+                            "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
+                    return PERMISSION_DENIED;
+                }
+            }
+        }
+    }
+    return LayerBaseClient::Surface::onTransact(code, data, reply, flags);
+}
+
+status_t LayerBuffer::SurfaceBuffer::registerBuffers(const ISurface::BufferHeap& buffers)
 {
     LayerBuffer* owner(getOwner());
     if (owner)
-        return owner->registerBuffers(w, h, hs, vs, format, heap);
+        return owner->registerBuffers(buffers);
     return NO_INIT;
 }
 
@@ -237,23 +273,20 @@ void LayerBuffer::SurfaceBuffer::disown()
 // LayerBuffer::Buffer
 // ============================================================================
 
-LayerBuffer::Buffer::Buffer(const sp<IMemoryHeap>& heap, ssize_t offset,
-        int w, int h, int hs, int vs, int f)
-: mHeap(heap)
+LayerBuffer::Buffer::Buffer(const ISurface::BufferHeap& buffers, ssize_t offset)
+    : mBufferHeap(buffers)
 {
     NativeBuffer& src(mNativeBuffer);
     src.crop.l = 0;
     src.crop.t = 0;
-    src.crop.r = w;
-    src.crop.b = h;
-    src.img.w = hs ?: w;
-    src.img.h = vs ?: h;
-    src.img.format = f;
+    src.crop.r = buffers.w;
+    src.crop.b = buffers.h;
+    src.img.w = buffers.hor_stride ?: buffers.w;
+    src.img.h = buffers.ver_stride ?: buffers.h;
+    src.img.format = buffers.format;
     src.img.offset = offset;
-    src.img.base   = heap->base();
-    src.img.fd     = heap->heapID();
-    // FIXME: make sure this buffer lies within the heap, in which case, set
-    // mHeap to null
+    src.img.base   = buffers.heap->base();
+    src.img.fd     = buffers.heap->heapID();
 }
 
 LayerBuffer::Buffer::~Buffer()
@@ -283,41 +316,53 @@ void LayerBuffer::Source::postBuffer(ssize_t offset) {
 }
 void LayerBuffer::Source::unregisterBuffers() {
 }
+void LayerBuffer::Source::updateTransform(Transform* tr) const {
+}
 
 // ---------------------------------------------------------------------------
 
 LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer,
-        int w, int h, int hstride, int vstride,
-        PixelFormat format, const sp<IMemoryHeap>& memoryHeap)
-    : Source(layer), mStatus(NO_ERROR), mTextureName(-1U)
+        const ISurface::BufferHeap& buffers)
+    : Source(layer), mStatus(NO_ERROR), 
+      mBufferSize(0), mTextureName(-1U)
 {
-    if (memoryHeap == NULL) {
+    if (buffers.heap == NULL) {
         // this is allowed, but in this case, it is illegal to receive
         // postBuffer(). The surface just erases the framebuffer with
         // fully transparent pixels.
-        mHeap.clear();
-        mWidth = w;
-        mHeight = h;
+        mBufferHeap = buffers;
         mLayer.setNeedsBlending(false);
         return;
     }
 
-    status_t err = (memoryHeap->heapID() >= 0) ? NO_ERROR : NO_INIT;
+    status_t err = (buffers.heap->heapID() >= 0) ? NO_ERROR : NO_INIT;
     if (err != NO_ERROR) {
+        LOGE("LayerBuffer::BufferSource: invalid heap (%s)", strerror(err));
         mStatus = err;
         return;
     }
-
-    // TODO: validate format/parameters
-    mHeap = memoryHeap;
-    mWidth = w;
-    mHeight = h;
-    mHStride = hstride;
-    mVStride = vstride;
-    mFormat = format;
+    
     PixelFormatInfo info;
-    getPixelFormatInfo(format, &info);
-    mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0);
+    err = getPixelFormatInfo(buffers.format, &info);
+    if (err != NO_ERROR) {
+        LOGE("LayerBuffer::BufferSource: invalid format %d (%s)",
+                buffers.format, strerror(err));
+        mStatus = err;
+        return;
+    }
+
+    if (buffers.hor_stride<0 || buffers.ver_stride<0) {
+        LOGE("LayerBuffer::BufferSource: invalid parameters "
+             "(w=%d, h=%d, xs=%d, ys=%d)", 
+             buffers.w, buffers.h, buffers.hor_stride, buffers.ver_stride);
+        mStatus = BAD_VALUE;
+        return;
+    }
+
+    mBufferHeap = buffers;
+    mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0);    
+    mBufferSize = info.getScanlineSize(buffers.hor_stride)*buffers.ver_stride;
+    mLayer.forceVisibilityTransaction();
 }
 
 LayerBuffer::BufferSource::~BufferSource()
@@ -329,21 +374,24 @@ LayerBuffer::BufferSource::~BufferSource()
 
 void LayerBuffer::BufferSource::postBuffer(ssize_t offset)
 {    
-    sp<IMemoryHeap> heap;
-    int w, h, hs, vs, f;
+    ISurface::BufferHeap buffers;
     { // scope for the lock
         Mutex::Autolock _l(mLock);
-        w = mWidth;
-        h = mHeight;
-        hs= mHStride;
-        vs= mVStride;
-        f = mFormat;
-        heap = mHeap;
+        buffers = mBufferHeap;
+        if (buffers.heap != 0) {
+            const size_t memorySize = buffers.heap->getSize();
+            if ((size_t(offset) + mBufferSize) > memorySize) {
+                LOGE("LayerBuffer::BufferSource::postBuffer() "
+                     "invalid buffer (offset=%d, size=%d, heap-size=%d",
+                     int(offset), int(mBufferSize), int(memorySize));
+                return;
+            }
+        }
     }
 
     sp<Buffer> buffer;
-    if (heap != 0) {
-        buffer = new LayerBuffer::Buffer(heap, offset, w, h, hs, vs, f);
+    if (buffers.heap != 0) {
+        buffer = new LayerBuffer::Buffer(buffers, offset);
         if (buffer->getStatus() != NO_ERROR)
             buffer.clear();
         setBuffer(buffer);
@@ -354,7 +402,7 @@ void LayerBuffer::BufferSource::postBuffer(ssize_t offset)
 void LayerBuffer::BufferSource::unregisterBuffers()
 {
     Mutex::Autolock _l(mLock);
-    mHeap.clear();
+    mBufferHeap.heap.clear();
     mBuffer.clear();
     mLayer.invalidate();
 }
@@ -371,6 +419,17 @@ void LayerBuffer::BufferSource::setBuffer(const sp<LayerBuffer::Buffer>& buffer)
     mBuffer = buffer;
 }
 
+void LayerBuffer::BufferSource::updateTransform(Transform* tr) const
+{
+    uint32_t bufTransform = mBufferHeap.transform;
+    // TODO: handle all transforms
+    if (bufTransform == ISurface::BufferHeap::ROT_90) {
+        Transform rot90;
+        rot90.set(0, -1, 1, 0);
+        *tr = (*tr) * rot90;
+    }
+}
+
 void LayerBuffer::BufferSource::onDraw(const Region& clip) const 
 {
     sp<Buffer> buffer(getBuffer());
@@ -452,11 +511,13 @@ void LayerBuffer::BufferSource::onDraw(const Region& clip) const
         region_iterator it(clip);
         copybit->set_parameter(copybit, COPYBIT_TRANSFORM, mLayer.getOrientation());
         copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha);
-        copybit->set_parameter(copybit, COPYBIT_DITHER,
-                s.flags & ISurfaceComposer::eLayerDither ?
-                        COPYBIT_ENABLE : COPYBIT_DISABLE);
+        copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
+
         err = copybit->stretch(copybit,
                 &dst, &src.img, &drect, &src.crop, &it);
+        if (err != NO_ERROR) {
+            LOGE("copybit failed (%s)", strerror(err));
+        }
     }
 
     if (!can_use_copybit || err) {
diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index 6e3d49f..5532532 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -22,7 +22,7 @@
 
 #include <utils/IMemory.h>
 #include <private/ui/LayerState.h>
-#include <GLES/eglnatives.h>
+#include <EGL/eglnatives.h>
 
 #include "LayerBase.h"
 #include "LayerBitmap.h"
@@ -46,6 +46,7 @@ class LayerBuffer : public LayerBaseClient
         virtual void onVisibilityResolved(const Transform& planeTransform);
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
+        virtual void updateTransform(Transform* tr) const;
     protected:
         LayerBuffer& mLayer;
     };
@@ -67,9 +68,9 @@ public:
     virtual void onDraw(const Region& clip) const;
     virtual uint32_t doTransaction(uint32_t flags);
     virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
+    virtual Transform getDrawingStateTransform() const;
 
-    status_t registerBuffers(int w, int h, int hstride, int vstride,
-            PixelFormat format, const sp<IMemoryHeap>& heap);
+    status_t registerBuffers(const ISurface::BufferHeap& buffers);
     void postBuffer(ssize_t offset);
     void unregisterBuffers();
     sp<OverlayRef> createOverlay(uint32_t w, uint32_t h, int32_t format);
@@ -89,10 +90,9 @@ private:
 
     class Buffer : public LightRefBase<Buffer> {
     public:
-        Buffer(const sp<IMemoryHeap>& heap, ssize_t offset,
-                int w, int h, int hs, int vs, int f);
+        Buffer(const ISurface::BufferHeap& buffers, ssize_t offset);
         inline status_t getStatus() const {
-            return mHeap!=0 ? NO_ERROR : NO_INIT;
+            return mBufferHeap.heap!=0 ? NO_ERROR : NO_INIT;
         }
         inline const NativeBuffer& getBuffer() const {
             return mNativeBuffer;
@@ -103,34 +103,29 @@ private:
         Buffer(const Buffer& rhs);
         ~Buffer();
     private:
-        sp<IMemoryHeap>    mHeap;
-        NativeBuffer       mNativeBuffer;
+        ISurface::BufferHeap    mBufferHeap;
+        NativeBuffer            mNativeBuffer;
     };
 
     class BufferSource : public Source {
     public:
-        BufferSource(LayerBuffer& layer,
-                int w, int h, int hstride, int vstride,
-                PixelFormat format, const sp<IMemoryHeap>& heap);
+        BufferSource(LayerBuffer& layer, const ISurface::BufferHeap& buffers);
         virtual ~BufferSource();
 
         status_t getStatus() const { return mStatus; }
         sp<Buffer> getBuffer() const;
         void setBuffer(const sp<Buffer>& buffer);
 
+        virtual void updateTransform(Transform* tr) const; 
         virtual void onDraw(const Region& clip) const;
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
     private:
         mutable Mutex   mLock;
-        sp<IMemoryHeap> mHeap;
         sp<Buffer>      mBuffer;
         status_t        mStatus;
-        int             mWidth;
-        int             mHeight;
-        int             mHStride;
-        int             mVStride;
-        int             mFormat;
+        ISurface::BufferHeap mBufferHeap;
+        size_t          mBufferSize;
         mutable sp<MemoryDealer> mTemporaryDealer;
         mutable LayerBitmap mTempBitmap;
         mutable GLuint  mTextureName;
@@ -186,8 +181,9 @@ private:
     public:
                 SurfaceBuffer(SurfaceID id, LayerBuffer* owner);
         virtual ~SurfaceBuffer();
-        virtual status_t registerBuffers(int w, int h, int hstride, int vstride,
-                PixelFormat format, const sp<IMemoryHeap>& heap);
+        virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
+        virtual status_t registerBuffers(const ISurface::BufferHeap& buffers);
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
         virtual sp<OverlayRef> createOverlay(
diff --git a/libs/surfaceflinger/LayerOrientationAnim.cpp b/libs/surfaceflinger/LayerOrientationAnim.cpp
new file mode 100644
index 0000000..46b3b19
--- /dev/null
+++ b/libs/surfaceflinger/LayerOrientationAnim.cpp
@@ -0,0 +1,287 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SurfaceFlinger"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <core/SkBitmap.h>
+
+#include <ui/EGLDisplaySurface.h>
+
+#include "LayerBase.h"
+#include "LayerOrientationAnim.h"
+#include "SurfaceFlinger.h"
+#include "DisplayHardware/DisplayHardware.h"
+#include "OrientationAnimation.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+const uint32_t LayerOrientationAnim::typeInfo = LayerBase::typeInfo | 0x80;
+const char* const LayerOrientationAnim::typeID = "LayerOrientationAnim";
+
+// ---------------------------------------------------------------------------
+
+LayerOrientationAnim::LayerOrientationAnim(
+        SurfaceFlinger* flinger, DisplayID display, 
+        OrientationAnimation* anim, 
+        const LayerBitmap& bitmap,
+        const LayerBitmap& bitmapIn)
+    : LayerBase(flinger, display), mAnim(anim), 
+      mBitmap(bitmap), mBitmapIn(bitmapIn), 
+      mTextureName(-1), mTextureNameIn(-1)
+{
+    mStartTime = systemTime();
+    mFinishTime = 0;
+    mOrientationCompleted = false;
+    mFirstRedraw = false;
+    mLastNormalizedTime = 0;
+    mLastScale = 0;
+    mNeedsBlending = false;
+}
+
+LayerOrientationAnim::~LayerOrientationAnim()
+{
+    if (mTextureName != -1U) {
+        LayerBase::deletedTextures.add(mTextureName);
+    }
+    if (mTextureNameIn != -1U) {
+        LayerBase::deletedTextures.add(mTextureNameIn);
+    }
+}
+
+bool LayerOrientationAnim::needsBlending() const 
+{
+    return mNeedsBlending; 
+}
+
+Point LayerOrientationAnim::getPhysicalSize() const
+{
+    const GraphicPlane& plane(graphicPlane(0));
+    const DisplayHardware& hw(plane.displayHardware());
+    return Point(hw.getWidth(), hw.getHeight());
+}
+
+void LayerOrientationAnim::validateVisibility(const Transform&)
+{
+    const Layer::State& s(drawingState());
+    const Transform tr(getDrawingStateTransform());
+    const Point size(getPhysicalSize());
+    uint32_t w = size.x;
+    uint32_t h = size.y;
+    mTransformedBounds = tr.makeBounds(w, h);
+    mLeft = tr.tx();
+    mTop  = tr.ty();
+    transparentRegionScreen.clear();
+    mTransformed = true;
+    mCanUseCopyBit = false;
+    copybit_device_t* copybit = mFlinger->getBlitEngine();
+    if (copybit) { 
+        mCanUseCopyBit = true;
+    }
+}
+
+void LayerOrientationAnim::onOrientationCompleted()
+{
+    mFinishTime = systemTime();
+    mOrientationCompleted = true;
+    mFirstRedraw = true;
+    mNeedsBlending = true;
+    mFlinger->invalidateLayerVisibility(this);
+}
+
+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;
+
+    const nsecs_t now = systemTime();
+    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
+            mNeedsBlending = false;
+            LayerOrientationAnim* self(const_cast<LayerOrientationAnim*>(this));
+            mFlinger->invalidateLayerVisibility(self);
+        }
+
+        // make sure pick-up where we left off
+        const float duration = DURATION * mLastNormalizedTime;
+        const float normalizedTime = (float(now - mFinishTime) / duration);
+        if (normalizedTime <= 1.0f) {
+            const float squaredTime = normalizedTime*normalizedTime;
+            scale = (1.0f - mLastScale)*squaredTime + mLastScale;
+            alpha = (1.0f - normalizedTime);
+            alpha *= alpha;
+            alpha *= alpha;
+        } else {
+            mAnim->onAnimationFinished();
+            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;
+            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);
+            scale = MIN_SCALE + BOUNCES_AMPLITUDE * (1.0f - cosf(phi));
+            alpha = 1.0f;
+        }
+        mLastScale = scale;
+    }
+    drawScaled(scale, alpha);
+}
+
+void LayerOrientationAnim::drawScaled(float f, float alpha) const
+{
+    copybit_image_t dst;
+    const GraphicPlane& plane(graphicPlane(0));
+    const DisplayHardware& hw(plane.displayHardware());
+    hw.getDisplaySurface(&dst);
+
+    // clear screen
+    // TODO: with update on demand, we may be able 
+    // to not erase the screen at all during the animation 
+    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*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);
+
+        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);
+        }
+
+        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,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;
+        }
+
+        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(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 = int(alpha*255);
+        const Region clip(Rect( drect.l, drect.t, drect.r, drect.b ));
+        drawWithOpenGL(clip, mTextureName, t);
+    }
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libs/surfaceflinger/LayerOrientationAnim.h b/libs/surfaceflinger/LayerOrientationAnim.h
new file mode 100644
index 0000000..7367685
--- /dev/null
+++ b/libs/surfaceflinger/LayerOrientationAnim.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_LAYER_ORIENTATION_ANIM_H
+#define ANDROID_LAYER_ORIENTATION_ANIM_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <utils/threads.h>
+#include <utils/Parcel.h>
+
+#include "LayerBase.h"
+#include "LayerBitmap.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+class OrientationAnimation;
+
+class LayerOrientationAnim : public LayerBase
+{
+public:    
+    static const uint32_t typeInfo;
+    static const char* const typeID;
+    virtual char const* getTypeID() const { return typeID; }
+    virtual uint32_t getTypeInfo() const { return typeInfo; }
+    
+                LayerOrientationAnim(SurfaceFlinger* flinger, DisplayID display,
+                        OrientationAnimation* anim, 
+                        const LayerBitmap& zoomOut,
+                        const LayerBitmap& zoomIn);
+        virtual ~LayerOrientationAnim();
+
+            void onOrientationCompleted();
+
+    virtual void onDraw(const Region& clip) const;
+    virtual Point getPhysicalSize() const;
+    virtual void validateVisibility(const Transform& globalTransform);
+    virtual bool needsBlending() const;
+    virtual bool isSecure() const       { return false; }
+private:
+    void drawScaled(float scale, float alpha) const;
+
+    OrientationAnimation* mAnim;
+    LayerBitmap mBitmap;
+    LayerBitmap mBitmapIn;
+    nsecs_t mStartTime;
+    nsecs_t mFinishTime;
+    bool mOrientationCompleted;
+    mutable bool mFirstRedraw;
+    mutable float mLastNormalizedTime;
+    mutable float mLastScale;
+    mutable GLuint  mTextureName;
+    mutable GLuint  mTextureNameIn;
+    mutable bool mNeedsBlending;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_ORIENTATION_ANIM_H
diff --git a/libs/surfaceflinger/LayerScreenshot.cpp b/libs/surfaceflinger/LayerScreenshot.cpp
index 3e7132b..40c47b0 100644
--- a/libs/surfaceflinger/LayerScreenshot.cpp
+++ b/libs/surfaceflinger/LayerScreenshot.cpp
@@ -35,7 +35,7 @@
 namespace android {
 // ---------------------------------------------------------------------------
 
-const uint32_t LayerScreenshot::typeInfo = LayerBase::typeInfo | 0x20;
+const uint32_t LayerScreenshot::typeInfo = LayerBase::typeInfo | 0x40;
 const char* const LayerScreenshot::typeID = "LayerScreenshot";
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/OrientationAnimation.cpp b/libs/surfaceflinger/OrientationAnimation.cpp
new file mode 100644
index 0000000..f6f1326
--- /dev/null
+++ b/libs/surfaceflinger/OrientationAnimation.cpp
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SurfaceFlinger"
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <limits.h>
+
+#include "LayerOrientationAnim.h"
+#include "OrientationAnimation.h"
+#include "SurfaceFlinger.h"
+#include "VRamHeap.h"
+
+#include "DisplayHardware/DisplayHardware.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+OrientationAnimation::OrientationAnimation(const sp<SurfaceFlinger>& flinger)
+    : mFlinger(flinger), mLayerOrientationAnim(NULL), mState(DONE)
+{
+    // allocate a memory-dealer for this the first time
+    mTemporaryDealer = mFlinger->getSurfaceHeapManager()->createHeap(
+            ISurfaceComposer::eHardware);
+}
+
+OrientationAnimation::~OrientationAnimation()
+{
+}
+
+void OrientationAnimation::onOrientationChanged()
+{
+    if (mState == DONE)
+        mState = PREPARE;
+}
+
+void OrientationAnimation::onAnimationFinished()
+{
+    if (mState != DONE)
+        mState = FINISH;
+}
+
+bool OrientationAnimation::run_impl()
+{
+    bool skip_frame;
+    switch (mState) {
+        default:
+        case DONE:
+            skip_frame = done();
+            break;
+        case PREPARE:
+            skip_frame = prepare();
+            break;
+        case PHASE1:
+            skip_frame = phase1();
+            break;
+        case PHASE2:
+            skip_frame = phase2();
+            break;
+        case FINISH:
+            skip_frame = finished();
+            break;
+    }
+    return skip_frame;
+}
+
+bool OrientationAnimation::done()
+{
+    if (mFlinger->isFrozen()) {
+        // we are not allowed to draw, but pause a bit to make sure
+        // apps don't end up using the whole CPU, if they depend on
+        // surfaceflinger for synchronization.
+        usleep(8333); // 8.3ms ~ 120fps
+        return true;
+    }
+    return false;
+}
+
+bool OrientationAnimation::prepare()
+{
+    mState = PHASE1;
+    
+    const GraphicPlane& plane(mFlinger->graphicPlane(0));
+    const DisplayHardware& hw(plane.displayHardware());
+    const uint32_t w = hw.getWidth();
+    const uint32_t h = hw.getHeight();
+
+    LayerBitmap bitmap;
+    bitmap.init(mTemporaryDealer);
+    bitmap.setBits(w, h, 1, hw.getFormat());
+
+    LayerBitmap bitmapIn;
+    bitmapIn.init(mTemporaryDealer);
+    bitmapIn.setBits(w, h, 1, hw.getFormat());
+
+    copybit_image_t front;
+    bitmap.getBitmapSurface(&front);
+    hw.copyFrontToImage(front);
+
+    LayerOrientationAnim* l = new LayerOrientationAnim(
+            mFlinger.get(), 0, this, bitmap, bitmapIn);
+    l->initStates(w, h, 0);
+    l->setLayer(INT_MAX-1);
+    mFlinger->addLayer(l);
+    mLayerOrientationAnim = l;
+    return true;
+}
+
+bool OrientationAnimation::phase1()
+{
+    if (mFlinger->isFrozen() == false) {
+        // start phase 2
+        mState = PHASE2;
+        mLayerOrientationAnim->onOrientationCompleted();
+        mLayerOrientationAnim->invalidate();
+        return true;
+        
+    }
+    mLayerOrientationAnim->invalidate();
+    return false;
+}
+
+bool OrientationAnimation::phase2()
+{
+    // do the 2nd phase of the animation
+    mLayerOrientationAnim->invalidate();
+    return false;
+}
+
+bool OrientationAnimation::finished()
+{
+    mState = DONE;
+    mFlinger->removeLayer(mLayerOrientationAnim);
+    mLayerOrientationAnim = NULL;
+    return true;
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libs/surfaceflinger/OrientationAnimation.h b/libs/surfaceflinger/OrientationAnimation.h
new file mode 100644
index 0000000..ba33fce
--- /dev/null
+++ b/libs/surfaceflinger/OrientationAnimation.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_ORIENTATION_ANIMATION_H
+#define ANDROID_ORIENTATION_ANIMATION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "SurfaceFlinger.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class SurfaceFlinger;
+class MemoryDealer;
+class LayerOrientationAnim;
+
+class OrientationAnimation
+{
+public:    
+                 OrientationAnimation(const sp<SurfaceFlinger>& flinger);
+        virtual ~OrientationAnimation();
+
+   void onOrientationChanged();
+   void onAnimationFinished();
+   inline bool run() {
+       if (LIKELY(mState == DONE))
+           return false;
+       return run_impl();
+   }
+
+private:
+    enum {
+        DONE = 0,
+        PREPARE,
+        PHASE1,
+        PHASE2,
+        FINISH
+    };
+
+    bool run_impl();
+    bool done();
+    bool prepare();
+    bool phase1();
+    bool phase2();
+    bool finished();
+
+    sp<SurfaceFlinger> mFlinger;
+    sp<MemoryDealer> mTemporaryDealer;
+    LayerOrientationAnim* mLayerOrientationAnim;
+    int mState;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_ORIENTATION_ANIMATION_H
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index 4c719e8..4e457c9 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -52,7 +52,9 @@
 #include "LayerBuffer.h"
 #include "LayerDim.h"
 #include "LayerBitmap.h"
+#include "LayerOrientationAnim.h"
 #include "LayerScreenshot.h"
+#include "OrientationAnimation.h"
 #include "SurfaceFlinger.h"
 #include "RFBServer.h"
 #include "VRamHeap.h"
@@ -224,6 +226,7 @@ void SurfaceFlinger::init()
 SurfaceFlinger::~SurfaceFlinger()
 {
     glDeleteTextures(1, &mWormholeTexName);
+    delete mOrientationAnimation;
 }
 
 copybit_device_t* SurfaceFlinger::getBlitEngine() const
@@ -447,6 +450,8 @@ status_t SurfaceFlinger::readyToRun()
      *  We're now ready to accept clients...
      */
 
+    mOrientationAnimation = new OrientationAnimation(this);
+    
     // start CPU gauge display
     if (mDebugCpu)
         mCpuGauge = new CPUGauge(this, ms2ns(500));
@@ -471,8 +476,8 @@ void SurfaceFlinger::waitForEvent()
 {
     // wait for something to do
     if (UNLIKELY(isFrozen())) {
-        // wait 2 seconds
-        int err = mSyncObject.wait(ms2ns(3000));
+        // wait 5 seconds
+        int err = mSyncObject.wait(ms2ns(5000));
         if (err != NO_ERROR) {
             if (isFrozen()) {
                 // we timed out and are still frozen
@@ -555,11 +560,8 @@ bool SurfaceFlinger::threadLoop()
 
 void SurfaceFlinger::postFramebuffer()
 {
-    if (UNLIKELY(isFrozen())) {
-        // we are not allowed to draw, but pause a bit to make sure
-        // apps don't end up using the whole CPU, if they depend on
-        // surfaceflinger for synchronization.
-        usleep(8333); // 8.3ms ~ 120fps
+    const bool skip = mOrientationAnimation->run();
+    if (UNLIKELY(skip)) {
         return;
     }
 
@@ -684,6 +686,8 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
 
             mVisibleRegionsDirty = true;
             mDirtyRegion.set(hw.bounds());
+
+            mOrientationAnimation->onOrientationChanged();
         }
 
         if (mCurrentState.freezeDisplay != mDrawingState.freezeDisplay) {
@@ -874,19 +878,9 @@ void SurfaceFlinger::handleRepaint()
 
     uint32_t flags = hw.getFlags();
     if (flags & DisplayHardware::BUFFER_PRESERVED) {
-        if (flags & DisplayHardware::COPY_BACK_EXTENSION) {
-            // yay. nothing to do here.
-        } else {
-            if (flags & DisplayHardware::UPDATE_ON_DEMAND) {
-                // we need to fully redraw the part that will be updated
-                mDirtyRegion.set(mInvalidRegion.bounds());
-            } else {
-                // TODO: we only need te redraw the part that had been drawn
-                // the round before and is not drawn now
-            }
-        }
+        // here we assume DisplayHardware::flip()'s  implementation
+        // performs the copy-back optimization.
     } else {
-        // COPY_BACK_EXTENSION makes no sense here
         if (flags & DisplayHardware::UPDATE_ON_DEMAND) {
             // we need to fully redraw the part that will be updated
             mDirtyRegion.set(mInvalidRegion.bounds());
@@ -1076,6 +1070,29 @@ void SurfaceFlinger::debugShowFPS() const
     // XXX: mFPS has the value we want
  }
 
+status_t SurfaceFlinger::addLayer(LayerBase* layer)
+{
+    Mutex::Autolock _l(mStateLock);
+    addLayer_l(layer);
+    setTransactionFlags(eTransactionNeeded|eTraversalNeeded);
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::removeLayer(LayerBase* layer)
+{
+    Mutex::Autolock _l(mStateLock);
+    removeLayer_l(layer);
+    setTransactionFlags(eTransactionNeeded);
+    return NO_ERROR;
+}
+
+status_t SurfaceFlinger::invalidateLayerVisibility(LayerBase* layer)
+{
+    layer->forceVisibilityTransaction();
+    setTransactionFlags(eTraversalNeeded);
+    return NO_ERROR;
+}
+
 status_t SurfaceFlinger::addLayer_l(LayerBase* layer)
 {
     ssize_t i = mCurrentState.layersSortedByZ.add(
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index a242f1a..8e5fd88 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -35,11 +35,11 @@
 #include <private/ui/LayerState.h>
 #include <private/ui/SurfaceFlingerSynchro.h>
 
+#include "Barrier.h"
+#include "BootAnimation.h"
+#include "CPUGauge.h"
 #include "Layer.h"
 #include "Tokenizer.h"
-#include "CPUGauge.h"
-#include "BootAnimation.h"
-#include "Barrier.h"
 
 struct copybit_device_t;
 struct overlay_device_t;
@@ -48,16 +48,18 @@ namespace android {
 
 // ---------------------------------------------------------------------------
 
-class BClient;
 class Client;
+class BClient;
 class DisplayHardware;
+class FreezeLock;
 class GPUHardwareInterface;
 class IGPUCallback;
 class Layer;
 class LayerBuffer;
+class LayerOrientationAnim;
+class OrientationAnimation;
 class RFBServer;
 class SurfaceHeapManager;
-class FreezeLock;
 
 typedef int32_t ClientID;
 
@@ -181,7 +183,12 @@ public:
 
             copybit_device_t* getBlitEngine() const;
             overlay_control_device_t* getOverlayEngine() const;
+
             
+    status_t removeLayer(LayerBase* layer);
+    status_t addLayer(LayerBase* layer);
+    status_t invalidateLayerVisibility(LayerBase* layer);
+    
 private:
     friend class BClient;
     friend class LayerBase;
@@ -352,6 +359,8 @@ private:
                 bool                        mFreezeDisplay;
                 int32_t                     mFreezeCount;
                 nsecs_t                     mFreezeDisplayTime;
+                friend class OrientationAnimation;
+                OrientationAnimation*       mOrientationAnimation;
 
                 // access protected by mDebugLock
     mutable     Mutex                       mDebugLock;
diff --git a/libs/surfaceflinger/VRamHeap.cpp b/libs/surfaceflinger/VRamHeap.cpp
index 77bc576..0ccd71f 100644
--- a/libs/surfaceflinger/VRamHeap.cpp
+++ b/libs/surfaceflinger/VRamHeap.cpp
@@ -35,8 +35,6 @@
 #include <utils/MemoryHeapPmem.h>
 #include <utils/MemoryHeapBase.h>
 
-#include <GLES/eglnatives.h>
-
 #include "GPUHardware/GPUHardware.h"
 #include "SurfaceFlinger.h"
 #include "VRamHeap.h"
diff --git a/libs/ui/Camera.cpp b/libs/ui/Camera.cpp
index 50c6008..6c60b85 100644
--- a/libs/ui/Camera.cpp
+++ b/libs/ui/Camera.cpp
@@ -84,8 +84,10 @@ void Camera::init()
     mRawCallbackCookie = 0;
     mJpegCallback = 0;
     mJpegCallbackCookie = 0;
-    mFrameCallback = 0;
-    mFrameCallbackCookie = 0;
+    mPreviewCallback = 0;
+    mPreviewCallbackCookie = 0;
+    mRecordingCallback = 0;
+    mRecordingCallbackCookie = 0;
     mErrorCallback = 0;
     mErrorCallbackCookie = 0;
     mAutoFocusCallback = 0;
@@ -184,6 +186,15 @@ status_t Camera::startPreview()
     return c->startPreview();
 }
 
+// start recording mode, must call setPreviewDisplay first
+status_t Camera::startRecording()
+{
+    LOGV("startRecording");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->startRecording();
+}
+
 // stop preview mode
 void Camera::stopPreview()
 {
@@ -193,6 +204,24 @@ void Camera::stopPreview()
     c->stopPreview();
 }
 
+// stop recording mode
+void Camera::stopRecording()
+{
+    LOGV("stopRecording");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    c->stopRecording();
+}
+
+// release a recording frame
+void Camera::releaseRecordingFrame(const sp<IMemory>& mem)
+{
+    LOGV("releaseRecordingFrame");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    c->releaseRecordingFrame(mem);
+}
+
 // get preview state
 bool Camera::previewEnabled()
 {
@@ -202,6 +231,15 @@ bool Camera::previewEnabled()
     return c->previewEnabled();
 }
 
+// get recording state
+bool Camera::recordingEnabled()
+{
+    LOGV("recordingEnabled");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return false;
+    return c->recordingEnabled();
+}
+
 status_t Camera::autoFocus()
 {
     LOGV("autoFocus");
@@ -266,14 +304,21 @@ void Camera::setJpegCallback(frame_callback cb, void *cookie)
     mJpegCallbackCookie = cookie;
 }
 
-void Camera::setFrameCallback(frame_callback cb, void *cookie, int frame_callback_flag)
+void Camera::setPreviewCallback(frame_callback cb, void *cookie, int flag)
 {
-    LOGV("setFrameCallback");
-    mFrameCallback = cb;
-    mFrameCallbackCookie = cookie;
+    LOGV("setPreviewCallback");
+    mPreviewCallback = cb;
+    mPreviewCallbackCookie = cookie;
     sp <ICamera> c = mCamera;
     if (c == 0) return;
-    mCamera->setFrameCallbackFlag(frame_callback_flag);
+    mCamera->setPreviewCallbackFlag(flag);
+}
+
+void Camera::setRecordingCallback(frame_callback cb, void *cookie)
+{
+    LOGV("setRecordingCallback");
+    mRecordingCallback = cb;
+    mRecordingCallbackCookie = cookie;
 }
 
 void Camera::setErrorCallback(error_callback cb, void *cookie)
@@ -316,12 +361,21 @@ void Camera::jpegCallback(const sp<IMemory>& picture)
     }
 }
 
-// callback from camera service when video frame is ready
-void Camera::frameCallback(const sp<IMemory>& frame)
+// callback from camera service when preview frame is ready
+void Camera::previewCallback(const sp<IMemory>& frame)
 {
     LOGV("frameCallback");
-    if (mFrameCallback) {
-        mFrameCallback(frame, mFrameCallbackCookie);
+    if (mPreviewCallback) {
+        mPreviewCallback(frame, mPreviewCallbackCookie);
+    }
+}
+
+// callback from camera service when a recording frame is ready
+void Camera::recordingCallback(const sp<IMemory>& frame)
+{
+    LOGV("recordingCallback");
+    if (mRecordingCallback) {
+        mRecordingCallback(frame, mRecordingCallbackCookie);
     }
 }
 
diff --git a/libs/ui/CameraParameters.cpp b/libs/ui/CameraParameters.cpp
index 7ca77bb..6c25836 100644
--- a/libs/ui/CameraParameters.cpp
+++ b/libs/ui/CameraParameters.cpp
@@ -24,6 +24,9 @@
 
 namespace android {
 
+static const char* portrait = "portrait";
+static const char* landscape = "landscape";
+
 CameraParameters::CameraParameters()
                 : mMap()
 {
@@ -182,6 +185,23 @@ void CameraParameters::setPreviewFormat(const char *format)
     set("preview-format", format);
 }
 
+int CameraParameters::getOrientation() const
+{
+    const char* orientation = get("orientation");
+    if (orientation && !strcmp(orientation, portrait))
+        return CAMERA_ORIENTATION_PORTRAIT;
+    return CAMERA_ORIENTATION_LANDSCAPE;
+}
+
+void CameraParameters::setOrientation(int orientation)
+{
+    if (orientation == CAMERA_ORIENTATION_PORTRAIT) {
+        set("preview-format", portrait);
+    } else {
+        set("preview-format", landscape);
+    }
+}
+
 const char *CameraParameters::getPreviewFormat() const
 {
     return get("preview-format");
diff --git a/libs/ui/EGLDisplaySurface.cpp b/libs/ui/EGLDisplaySurface.cpp
index 44258a8..d06c98b 100644
--- a/libs/ui/EGLDisplaySurface.cpp
+++ b/libs/ui/EGLDisplaySurface.cpp
@@ -42,7 +42,7 @@
 #include <linux/msm_mdp.h>
 #endif
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
 
 #include <pixelflinger/format.h>
 
@@ -71,8 +71,6 @@ EGLDisplaySurface::EGLDisplaySurface()
     egl_native_window_t::incRef = &EGLDisplaySurface::hook_incRef;
     egl_native_window_t::decRef = &EGLDisplaySurface::hook_decRef;
     egl_native_window_t::swapBuffers = &EGLDisplaySurface::hook_swapBuffers;
-    egl_native_window_t::setSwapRectangle = &EGLDisplaySurface::hook_setSwapRectangle;
-    egl_native_window_t::nextBuffer = &EGLDisplaySurface::hook_nextBuffer;
     egl_native_window_t::connect = 0;
     egl_native_window_t::disconnect = 0;
 
@@ -136,15 +134,6 @@ uint32_t EGLDisplaySurface::hook_swapBuffers(NativeWindowType window) {
     EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window);
     return that->swapBuffers();
 }
-uint32_t EGLDisplaySurface::hook_nextBuffer(NativeWindowType window) {
-    EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window);
-    return that->nextBuffer();
-}
-void EGLDisplaySurface::hook_setSwapRectangle(NativeWindowType window,
-        int l, int t, int w, int h) {
-    EGLDisplaySurface* that = static_cast<EGLDisplaySurface*>(window);
-    that->setSwapRectangle(l, t, w, h);
-}
 
 void EGLDisplaySurface::setSwapRectangle(int l, int t, int w, int h)
 {
@@ -249,15 +238,6 @@ int32_t EGLDisplaySurface::getPageFlipCount() const
     return mPageFlipCount;
 }
 
-uint32_t EGLDisplaySurface::nextBuffer()
-{
-    // update the address of the buffer to draw to next
-    const GGLSurface& buffer = mFb[mIndex];
-    egl_native_window_t::offset =
-        intptr_t(buffer.data) - egl_native_window_t::base;
-    return 0;
-}
-
 void EGLDisplaySurface::copyFrontToBack(const Region& copyback)
 {
 #if HAVE_ANDROID_OS
@@ -318,6 +298,59 @@ void EGLDisplaySurface::copyFrontToBack(const Region& copyback)
     }
 }
 
+void EGLDisplaySurface::copyFrontToImage(const copybit_image_t& dst)
+{
+#if HAVE_ANDROID_OS
+    if (mBlitEngine) {
+        copybit_image_t src = {
+                w:      egl_native_window_t::stride,
+                h:      egl_native_window_t::height,
+                format: egl_native_window_t::format,
+                offset: mFb[mIndex].data - mFb[0].data,
+                base:   (void*)egl_native_window_t::base,
+                fd:     egl_native_window_t::fd
+        };
+        region_iterator it(Region(Rect(
+                egl_native_window_t::width, egl_native_window_t::height)));
+        mBlitEngine->blit(mBlitEngine, &dst, &src, &it);
+    } else
+#endif
+    {
+        uint8_t* const screen_src = mFb[  mIndex].data;
+        const size_t bpp = bytesPerPixel(egl_native_window_t::format);
+        const size_t bpr = egl_native_window_t::stride * bpp;
+        memcpy((char*)dst.base + dst.offset, screen_src,
+                bpr*egl_native_window_t::height);
+    }
+}
+
+void EGLDisplaySurface::copyBackToImage(const copybit_image_t& dst)
+{
+#if HAVE_ANDROID_OS
+    if (mBlitEngine) {
+        copybit_image_t src = {
+                w:      egl_native_window_t::stride,
+                h:      egl_native_window_t::height,
+                format: egl_native_window_t::format,
+                offset: mFb[1-mIndex].data - mFb[0].data,
+                base:   (void*)egl_native_window_t::base,
+                fd:     egl_native_window_t::fd
+        };
+        region_iterator it(Region(Rect(
+                egl_native_window_t::width, egl_native_window_t::height)));
+        mBlitEngine->blit(mBlitEngine, &dst, &src, &it);
+    } else
+#endif
+    {
+        uint8_t* const screen_src = mFb[1-mIndex].data;
+        const size_t bpp = bytesPerPixel(egl_native_window_t::format);
+        const size_t bpr = egl_native_window_t::stride * bpp;
+        memcpy((char*)dst.base + dst.offset, screen_src,
+                bpr*egl_native_window_t::height);
+    }
+}
+
+
 status_t EGLDisplaySurface::mapFrameBuffer()
 {
     char const * const device_template[] = {
diff --git a/libs/ui/EGLNativeWindowSurface.cpp b/libs/ui/EGLNativeWindowSurface.cpp
index d55fb70..f1071cf 100644
--- a/libs/ui/EGLNativeWindowSurface.cpp
+++ b/libs/ui/EGLNativeWindowSurface.cpp
@@ -28,7 +28,7 @@
 #include <ui/DisplayInfo.h>
 #include <ui/Rect.h>
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
 
 #include <pixelflinger/format.h>
 
@@ -48,8 +48,6 @@ EGLNativeWindowSurface::EGLNativeWindowSurface(const sp<Surface>& surface)
     egl_native_window_t::incRef = &EGLNativeWindowSurface::hook_incRef;
     egl_native_window_t::decRef = &EGLNativeWindowSurface::hook_decRef;
     egl_native_window_t::swapBuffers = &EGLNativeWindowSurface::hook_swapBuffers;
-    egl_native_window_t::nextBuffer = &EGLNativeWindowSurface::hook_nextBuffer;
-    egl_native_window_t::setSwapRectangle = &EGLNativeWindowSurface::hook_setSwapRectangle;
     egl_native_window_t::connect = &EGLNativeWindowSurface::hook_connect;
     egl_native_window_t::disconnect = &EGLNativeWindowSurface::hook_disconnect;
     
@@ -98,18 +96,6 @@ uint32_t EGLNativeWindowSurface::hook_swapBuffers(NativeWindowType window)
     return that->swapBuffers();
 }
 
-uint32_t EGLNativeWindowSurface::hook_nextBuffer(NativeWindowType window)
-{
-    EGLNativeWindowSurface* that = static_cast<EGLNativeWindowSurface*>(window);
-    return that->nextBuffer();
-}
-
-void EGLNativeWindowSurface::hook_setSwapRectangle(NativeWindowType window, int l, int t, int w, int h)
-{
-    EGLNativeWindowSurface* that = static_cast<EGLNativeWindowSurface*>(window);
-    that->setSwapRectangle(l, t, w, h);
-}
-
 void EGLNativeWindowSurface::setSwapRectangle(int l, int t, int w, int h)
 {
     mSurface->setSwapRectangle(Rect(l, t, l+w, t+h));
@@ -138,17 +124,6 @@ uint32_t EGLNativeWindowSurface::swapBuffers()
     return 0;
 }
 
-uint32_t EGLNativeWindowSurface::nextBuffer()
-{
-    const sp<Surface>& surface(mSurface);
-    Surface::SurfaceInfo info;
-    surface->nextBuffer(&info);
-    // update the address of the buffer to draw to next
-    egl_native_window_t::base   = intptr_t(info.base);
-    egl_native_window_t::offset = intptr_t(info.bits) - intptr_t(info.base);
-    return 0;
-}
-
 void EGLNativeWindowSurface::connect()
 {   
     if (!mConnected) {
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 700aa3a..3b29b09 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -71,10 +71,11 @@ static inline int max(int v1, int v2)
 
 EventHub::device_t::device_t(int32_t _id, const char* _path)
     : id(_id), path(_path), classes(0)
-    , layoutMap(new KeyLayoutMap()), next(NULL) {
+    , keyBitmask(NULL), layoutMap(new KeyLayoutMap()), next(NULL) {
 }
 
 EventHub::device_t::~device_t() {
+    delete [] keyBitmask;
     delete layoutMap;
 }
 
@@ -403,6 +404,36 @@ bool EventHub::openPlatformInput(void)
     return true;
 }
 
+/*
+ * Inspect the known devices to determine whether physical keys exist for the given
+ * framework-domain key codes.
+ */
+bool EventHub::hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags) {
+    for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
+        outFlags[codeIndex] = 0;
+
+        // check each available hardware device for support for this keycode
+        Vector<int32_t> scanCodes;
+        for (int n = 0; (n < mFDCount) && (outFlags[codeIndex] == 0); n++) {
+            if (mDevices[n]) {
+                status_t err = mDevices[n]->layoutMap->findScancodes(keyCodes[codeIndex], &scanCodes);
+                if (!err) {
+                    // check the possible scan codes identified by the layout map against the
+                    // map of codes actually emitted by the driver
+                    for (size_t sc = 0; sc < scanCodes.size(); sc++) {
+                        if (test_bit(scanCodes[sc], mDevices[n]->keyBitmask)) {
+                            outFlags[codeIndex] = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return true;
+}
+
 // ----------------------------------------------------------------------------
 
 int EventHub::open_device(const char *deviceName)
@@ -527,6 +558,16 @@ int EventHub::open_device(const char *deviceName)
                 break;
             }
         }
+        if ((device->classes & CLASS_KEYBOARD) != 0) {
+            device->keyBitmask = new uint8_t[(KEY_MAX+1)/8];
+            if (device->keyBitmask != NULL) {
+                memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
+            } else {
+                delete device;
+                LOGE("out of memory allocating key bitmask");
+                return -1;
+            }
+        }
     }
     if (test_bit(BTN_MOUSE, key_bitmask)) {
         uint8_t rel_bitmask[(REL_MAX+1)/8];
diff --git a/libs/ui/ICamera.cpp b/libs/ui/ICamera.cpp
index 7b0922e..ab0fef1 100644
--- a/libs/ui/ICamera.cpp
+++ b/libs/ui/ICamera.cpp
@@ -28,7 +28,7 @@ namespace android {
 enum {
     DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
     SET_PREVIEW_DISPLAY,
-    SET_FRAME_CALLBACK_FLAG,
+    SET_PREVIEW_CALLBACK_FLAG,
     START_PREVIEW,
     STOP_PREVIEW,
     AUTO_FOCUS,
@@ -38,7 +38,11 @@ enum {
     CONNECT,
     LOCK,
     UNLOCK,
-    PREVIEW_ENABLED
+    PREVIEW_ENABLED,
+    START_RECORDING,
+    STOP_RECORDING,
+    RECORDING_ENABLED,
+    RELEASE_RECORDING_FRAME,
 };
 
 class BpCamera: public BpInterface<ICamera>
@@ -69,15 +73,15 @@ public:
         return reply.readInt32();
     }
 
-    // set the frame callback flag to affect how the received frames from
-    // preview are handled.
-    void setFrameCallbackFlag(int frame_callback_flag)
+    // set the preview callback flag to affect how the received frames from
+    // preview are handled. See Camera.h for details.
+    void setPreviewCallbackFlag(int flag)
     {
-        LOGV("setFrameCallbackFlag(%d)", frame_callback_flag);
+        LOGV("setPreviewCallbackFlag(%d)", flag);
         Parcel data, reply;
         data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
-        data.writeInt32(frame_callback_flag);
-        remote()->transact(SET_FRAME_CALLBACK_FLAG, data, &reply);
+        data.writeInt32(flag);
+        remote()->transact(SET_PREVIEW_CALLBACK_FLAG, data, &reply);
     }
 
     // start preview mode, must call setPreviewDisplay first
@@ -90,6 +94,16 @@ public:
         return reply.readInt32();
     }
 
+    // start recording mode, must call setPreviewDisplay first
+    status_t startRecording()
+    {
+        LOGV("startRecording");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(START_RECORDING, data, &reply);
+        return reply.readInt32();
+    }
+
     // stop preview mode
     void stopPreview()
     {
@@ -99,6 +113,24 @@ public:
         remote()->transact(STOP_PREVIEW, data, &reply);
     }
 
+    // stop recording mode
+    void stopRecording()
+    {
+        LOGV("stopRecording");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(STOP_RECORDING, data, &reply);
+    }
+
+    void releaseRecordingFrame(const sp<IMemory>& mem)
+    {
+        LOGV("releaseRecordingFrame");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeStrongBinder(mem->asBinder());
+        remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
+    }
+
     // check preview state
     bool previewEnabled()
     {
@@ -109,6 +141,16 @@ public:
         return reply.readInt32();
     }
 
+    // check recording state
+    bool recordingEnabled()
+    {
+        LOGV("recordingEnabled");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(RECORDING_ENABLED, data, &reply);
+        return reply.readInt32();
+    }
+
     // auto focus
     status_t autoFocus()
     {
@@ -202,11 +244,11 @@ status_t BnCamera::onTransact(
             reply->writeInt32(setPreviewDisplay(surface));
             return NO_ERROR;
         } break;
-        case SET_FRAME_CALLBACK_FLAG: {
-            LOGV("SET_FRAME_CALLBACK_TYPE");
+        case SET_PREVIEW_CALLBACK_FLAG: {
+            LOGV("SET_PREVIEW_CALLBACK_TYPE");
             CHECK_INTERFACE(ICamera, data, reply);
-            int frame_callback_flag = data.readInt32();
-            setFrameCallbackFlag(frame_callback_flag);
+            int callback_flag = data.readInt32();
+            setPreviewCallbackFlag(callback_flag);
             return NO_ERROR;
         } break;
         case START_PREVIEW: {
@@ -215,18 +257,43 @@ status_t BnCamera::onTransact(
             reply->writeInt32(startPreview());
             return NO_ERROR;
         } break;
+        case START_RECORDING: {
+            LOGV("START_RECORDING");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(startRecording());
+            return NO_ERROR;
+        } break;
         case STOP_PREVIEW: {
             LOGV("STOP_PREVIEW");
             CHECK_INTERFACE(ICamera, data, reply);
             stopPreview();
             return NO_ERROR;
         } break;
+        case STOP_RECORDING: {
+            LOGV("STOP_RECORDING");
+            CHECK_INTERFACE(ICamera, data, reply);
+            stopRecording();
+            return NO_ERROR;
+        } break;
+        case RELEASE_RECORDING_FRAME: {
+            LOGV("RELEASE_RECORDING_FRAME");
+            CHECK_INTERFACE(ICamera, data, reply);
+            sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
+            releaseRecordingFrame(mem);
+            return NO_ERROR;
+        } break;
         case PREVIEW_ENABLED: {
             LOGV("PREVIEW_ENABLED");
             CHECK_INTERFACE(ICamera, data, reply);
             reply->writeInt32(previewEnabled());
             return NO_ERROR;
         } break;
+        case RECORDING_ENABLED: {
+            LOGV("RECORDING_ENABLED");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(recordingEnabled());
+            return NO_ERROR;
+        } break;
         case AUTO_FOCUS: {
             LOGV("AUTO_FOCUS");
             CHECK_INTERFACE(ICamera, data, reply);
diff --git a/libs/ui/ICameraClient.cpp b/libs/ui/ICameraClient.cpp
index c5d6d52..4bec9d2 100644
--- a/libs/ui/ICameraClient.cpp
+++ b/libs/ui/ICameraClient.cpp
@@ -28,9 +28,10 @@ enum {
     SHUTTER_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
     RAW_CALLBACK,
     JPEG_CALLBACK,
-    FRAME_CALLBACK,
+    PREVIEW_CALLBACK,
     ERROR_CALLBACK,
-    AUTOFOCUS_CALLBACK
+    AUTOFOCUS_CALLBACK,
+    RECORDING_CALLBACK,
 };
 
 class BpCameraClient: public BpInterface<ICameraClient>
@@ -70,14 +71,24 @@ public:
         remote()->transact(JPEG_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
-    // callback from camera service to app with video frame data
-    void frameCallback(const sp<IMemory>& frame)
+    // callback from camera service to app with preview frame data
+    void previewCallback(const sp<IMemory>& frame)
     {
-        LOGV("frameCallback");
+        LOGV("previewCallback");
         Parcel data, reply;
         data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
         data.writeStrongBinder(frame->asBinder());
-        remote()->transact(FRAME_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+        remote()->transact(PREVIEW_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    // callback from camera service to app with recording frame data
+    void recordingCallback(const sp<IMemory>& frame)
+    {
+        LOGV("recordingCallback");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
+        data.writeStrongBinder(frame->asBinder());
+        remote()->transact(RECORDING_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
     // callback from camera service to app to report error
@@ -135,11 +146,18 @@ status_t BnCameraClient::onTransact(
             jpegCallback(picture);
             return NO_ERROR;
         } break;
-        case FRAME_CALLBACK: {
-            LOGV("FRAME_CALLBACK");
+        case PREVIEW_CALLBACK: {
+            LOGV("PREVIEW_CALLBACK");
+            CHECK_INTERFACE(ICameraClient, data, reply);
+            sp<IMemory> frame = interface_cast<IMemory>(data.readStrongBinder());
+            previewCallback(frame);
+            return NO_ERROR;
+        } break;
+        case RECORDING_CALLBACK: {
+            LOGV("RECORDING_CALLBACK");
             CHECK_INTERFACE(ICameraClient, data, reply);
             sp<IMemory> frame = interface_cast<IMemory>(data.readStrongBinder());
-            frameCallback(frame);
+            recordingCallback(frame);
             return NO_ERROR;
         } break;
         case ERROR_CALLBACK: {
diff --git a/libs/ui/ISurface.cpp b/libs/ui/ISurface.cpp
index 6f3cd47..abd3634 100644
--- a/libs/ui/ISurface.cpp
+++ b/libs/ui/ISurface.cpp
@@ -27,12 +27,33 @@
 
 namespace android {
 
-enum {
-    REGISTER_BUFFERS = IBinder::FIRST_CALL_TRANSACTION,
-    UNREGISTER_BUFFERS,
-    POST_BUFFER, // one-way transaction
-    CREATE_OVERLAY,
-};
+ISurface::BufferHeap::BufferHeap() 
+    : w(0), h(0), hor_stride(0), ver_stride(0), format(0),
+    transform(0), flags(0) 
+{     
+}
+
+ISurface::BufferHeap::BufferHeap(uint32_t w, uint32_t h,
+        int32_t hor_stride, int32_t ver_stride,
+        PixelFormat format, const sp<IMemoryHeap>& heap)
+    : w(w), h(h), hor_stride(hor_stride), ver_stride(ver_stride),
+      format(format), heap(heap) 
+{
+}
+
+ISurface::BufferHeap::BufferHeap(uint32_t w, uint32_t h,
+        int32_t hor_stride, int32_t ver_stride,
+        PixelFormat format, uint32_t transform, uint32_t flags,
+        const sp<IMemoryHeap>& heap)
+        : w(w), h(h), hor_stride(hor_stride), ver_stride(ver_stride),
+          format(format), transform(transform), flags(flags), heap(heap) 
+{
+}
+
+
+ISurface::BufferHeap::~BufferHeap() 
+{     
+}
 
 class BpSurface : public BpInterface<ISurface>
 {
@@ -42,17 +63,18 @@ public:
     {
     }
 
-    virtual status_t registerBuffers(int w, int h, int hstride, int vstride,
-            PixelFormat format, const sp<IMemoryHeap>& heap)
+    virtual status_t registerBuffers(const BufferHeap& buffers)
     {
         Parcel data, reply;
         data.writeInterfaceToken(ISurface::getInterfaceDescriptor());
-        data.writeInt32(w);
-        data.writeInt32(h);
-        data.writeInt32(hstride);
-        data.writeInt32(vstride);
-        data.writeInt32(format);
-        data.writeStrongBinder(heap->asBinder());
+        data.writeInt32(buffers.w);
+        data.writeInt32(buffers.h);
+        data.writeInt32(buffers.hor_stride);
+        data.writeInt32(buffers.ver_stride);
+        data.writeInt32(buffers.format);
+        data.writeInt32(buffers.transform);
+        data.writeInt32(buffers.flags);
+        data.writeStrongBinder(buffers.heap->asBinder());
         remote()->transact(REGISTER_BUFFERS, data, &reply);
         status_t result = reply.readInt32();
         return result;
@@ -102,13 +124,16 @@ status_t BnSurface::onTransact(
     switch(code) {
         case REGISTER_BUFFERS: {
             CHECK_INTERFACE(ISurface, data, reply);
-            int w = data.readInt32();
-            int h = data.readInt32();
-            int hs= data.readInt32();
-            int vs= data.readInt32();
-            PixelFormat f = data.readInt32();
-            sp<IMemoryHeap> heap(interface_cast<IMemoryHeap>(data.readStrongBinder()));
-            status_t err = registerBuffers(w,h,hs,vs,f,heap);
+            BufferHeap buffer;
+            buffer.w = data.readInt32();
+            buffer.h = data.readInt32();
+            buffer.hor_stride = data.readInt32();
+            buffer.ver_stride= data.readInt32();
+            buffer.format = data.readInt32();
+            buffer.transform = data.readInt32();
+            buffer.flags = data.readInt32();
+            buffer.heap = interface_cast<IMemoryHeap>(data.readStrongBinder());
+            status_t err = registerBuffers(buffer);
             reply->writeInt32(err);
             return NO_ERROR;
         } break;
diff --git a/libs/ui/Overlay.cpp b/libs/ui/Overlay.cpp
index c8e6168..b236edc 100644
--- a/libs/ui/Overlay.cpp
+++ b/libs/ui/Overlay.cpp
@@ -59,6 +59,12 @@ status_t Overlay::queueBuffer(overlay_buffer_t buffer)
     return mOverlayData->queueBuffer(mOverlayData, buffer);
 }
 
+int32_t Overlay::getBufferCount() const
+{
+    if (mStatus != NO_ERROR) return mStatus;
+    return mOverlayData->getBufferCount(mOverlayData);
+}
+
 void* Overlay::getBufferAddress(overlay_buffer_t buffer)
 {
     if (mStatus != NO_ERROR) return NULL;
diff --git a/libs/ui/PixelFormat.cpp b/libs/ui/PixelFormat.cpp
index 605c8ae..b65ed97 100644
--- a/libs/ui/PixelFormat.cpp
+++ b/libs/ui/PixelFormat.cpp
@@ -19,6 +19,18 @@
 
 namespace android {
 
+size_t PixelFormatInfo::getScanlineSize(unsigned int width) const
+{
+    size_t size;
+    if ((components >= 6) && (components <= 8)) {
+        // YCbCr formats are differents.
+        size = (width * bitsPerPixel)>>3;
+    } else {
+        size = width * bytesPerPixel;
+    }
+    return size;
+}
+
 ssize_t bytesPerPixel(PixelFormat format)
 {
     PixelFormatInfo info;
@@ -47,7 +59,25 @@ status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info)
     if (!valid) {
         return BAD_INDEX;
     }
-
+    
+    #define COMPONENT(name) \ 
+        case GGL_##name: info->components = PixelFormatInfo::name; break;
+    
+    switch (i->components) {
+        COMPONENT(ALPHA)
+        COMPONENT(RGB)
+        COMPONENT(RGBA)
+        COMPONENT(LUMINANCE)
+        COMPONENT(LUMINANCE_ALPHA)
+        COMPONENT(Y_CB_CR_SP)
+        COMPONENT(Y_CB_CR_P)
+        COMPONENT(Y_CB_CR_I)
+        default:
+            return BAD_INDEX;
+    }
+    
+    #undef COMPONENT
+    
     info->format = format;
     info->bytesPerPixel = i->size;
     info->bitsPerPixel  = i->bitsPerPixel;
@@ -59,6 +89,7 @@ status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info)
     info->l_green       = i->gl;
     info->h_blue        = i->bh;
     info->l_blue        = i->bl;
+
     return NO_ERROR;
 }
 
diff --git a/libs/utils/Parcel.cpp b/libs/utils/Parcel.cpp
index 0eba0b0..0f4b647 100644
--- a/libs/utils/Parcel.cpp
+++ b/libs/utils/Parcel.cpp
@@ -658,15 +658,20 @@ status_t Parcel::writeNativeHandle(const native_handle& handle)
     status_t err;
     err = writeInt32(handle.numFds);
     if (err != NO_ERROR) return err;
-    
+
     err = writeInt32(handle.numInts);
     if (err != NO_ERROR) return err;
-    
+
     for (int i=0 ; err==NO_ERROR && i<handle.numFds ; i++)
         err = writeDupFileDescriptor(handle.data[i]);
-    
+
+    if (err != NO_ERROR) {
+        LOGD("write native handle, write dup fd failed");
+        return err;
+    }
+
     err = write(handle.data + handle.numFds, sizeof(int)*handle.numInts);
-    
+
     return err;
 }
 
@@ -947,7 +952,7 @@ native_handle* Parcel::readNativeHandle(native_handle* (*alloc)(void*, int, int)
     }
     
     for (int i=0 ; err==NO_ERROR && i<numFds ; i++) {
-        h->data[i] = readFileDescriptor();
+        h->data[i] = dup(readFileDescriptor());
         if (h->data[i] < 0) err = BAD_VALUE;
     }
     
diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index 5a09fb4..71e7cd7 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -1736,7 +1736,7 @@ bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const
 }
 
 ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag,
-        uint32_t* outSpecFlags) const
+        uint32_t* outSpecFlags, ResTable_config* outConfig) const
 {
     if (mError != NO_ERROR) {
         return mError;
@@ -1809,7 +1809,7 @@ ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag
             (const Res_value*)(((const uint8_t*)type) + offset);
         ResTable_config thisConfig;
         thisConfig.copyFromDtoH(type->config);
-        
+
         if (outSpecFlags != NULL) {
             if (typeClass->typeSpecFlags != NULL) {
                 *outSpecFlags |= dtohl(typeClass->typeSpecFlags[e]);
@@ -1834,6 +1834,9 @@ ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag
         outValue->res0 = bestValue->res0;
         outValue->dataType = bestValue->dataType;
         outValue->data = dtohl(bestValue->data);
+        if (outConfig != NULL) {
+            *outConfig = bestItem;
+        }
         TABLE_NOISY(size_t len;
               printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n",
                      bestPackage->header->index,
@@ -3484,7 +3487,7 @@ ssize_t ResTable::getEntry(
         
         ResTable_config thisConfig;
         thisConfig.copyFromDtoH(thisType->config);
-        
+
         TABLE_GETENTRY(LOGI("Match entry 0x%x in type 0x%x (sz 0x%x): imsi:%d/%d=%d/%d lang:%c%c=%c%c cnt:%c%c=%c%c "
                             "orien:%d=%d touch:%d=%d density:%d=%d key:%d=%d inp:%d=%d nav:%d=%d w:%d=%d h:%d=%d\n",
                            entryIndex, typeIndex+1, dtohl(thisType->config.size),
diff --git a/libs/utils/String8.cpp b/libs/utils/String8.cpp
index ab843f6..c50d343 100644
--- a/libs/utils/String8.cpp
+++ b/libs/utils/String8.cpp
@@ -317,8 +317,10 @@ status_t String8::real_append(const char* other, size_t otherLen)
         ->editResize(myLen+otherLen+1);
     if (buf) {
         char* str = (char*)buf->data();
-        memcpy(str+myLen, other, otherLen+1);
         mString = str;
+        str += myLen;
+        memcpy(str, other, otherLen);
+        str[otherLen] = '\0';
         return NO_ERROR;
     }
     return NO_MEMORY;