diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index cfce40d..1fbfc2b 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -20,8 +20,10 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
+#include <gui/IConsumerListener.h>
 #include <gui/IGraphicBufferAlloc.h>
 #include <gui/IGraphicBufferProducer.h>
+#include <gui/IGraphicBufferConsumer.h>
 
 #include <ui/Fence.h>
 #include <ui/GraphicBuffer.h>
@@ -33,7 +35,7 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
-class BufferQueue : public BnGraphicBufferProducer {
+class BufferQueue : public BnGraphicBufferProducer, public BnGraphicBufferConsumer {
 public:
     enum { MIN_UNDEQUEUED_BUFFERS = 2 };
     enum { NUM_BUFFER_SLOTS = 32 };
@@ -45,31 +47,8 @@
     // producer and consumer can run asynchronously.
     enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
 
-    // ConsumerListener is the interface through which the BufferQueue notifies
-    // the consumer of events that the consumer may wish to react to.  Because
-    // the consumer will generally have a mutex that is locked during calls from
-    // the consumer to the BufferQueue, these calls from the BufferQueue to the
-    // consumer *MUST* be called only when the BufferQueue mutex is NOT locked.
-    struct ConsumerListener : public virtual RefBase {
-        // onFrameAvailable is called from queueBuffer each time an additional
-        // frame becomes available for consumption. This means that frames that
-        // are queued while in asynchronous mode only trigger the callback if no
-        // previous frames are pending. Frames queued while in synchronous mode
-        // always trigger the callback.
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onFrameAvailable() = 0;
-
-        // onBuffersReleased is called to notify the buffer consumer that the
-        // BufferQueue has released its references to one or more GraphicBuffers
-        // contained in its slots.  The buffer consumer should then call
-        // BufferQueue::getReleasedBuffers to retrieve the list of buffers
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onBuffersReleased() = 0;
-    };
+    // for backward source compatibility
+    typedef ::android::ConsumerListener ConsumerListener;
 
     // ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
     // reference to the actual consumer object.  It forwards all calls to that
@@ -80,19 +59,16 @@
     // reference in the BufferQueue class is because we're planning to expose the
     // consumer side of a BufferQueue as a binder interface, which doesn't support
     // weak references.
-    class ProxyConsumerListener : public BufferQueue::ConsumerListener {
+    class ProxyConsumerListener : public BnConsumerListener {
     public:
-
-        ProxyConsumerListener(const wp<BufferQueue::ConsumerListener>& consumerListener);
+        ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
         virtual ~ProxyConsumerListener();
         virtual void onFrameAvailable();
         virtual void onBuffersReleased();
-
     private:
-
-        // mConsumerListener is a weak reference to the ConsumerListener.  This is
+        // mConsumerListener is a weak reference to the IConsumerListener.  This is
         // the raison d'etre of ProxyConsumerListener.
-        wp<BufferQueue::ConsumerListener> mConsumerListener;
+        wp<ConsumerListener> mConsumerListener;
     };
 
 
@@ -102,6 +78,14 @@
     BufferQueue(const sp<IGraphicBufferAlloc>& allocator = NULL);
     virtual ~BufferQueue();
 
+    // dump our state in a String
+    virtual void dump(String8& result) const;
+    virtual void dump(String8& result, const char* prefix) const;
+
+    /*
+     * IGraphicBufferProducer interface
+     */
+
     // Query native window attributes.  The "what" values are enumerated in
     // window.h (e.g. NATIVE_WINDOW_FORMAT).
     virtual int query(int what, int* value);
@@ -216,62 +200,9 @@
     // connected to the specified producer API.
     virtual status_t disconnect(int api);
 
-    // dump our state in a String
-    virtual void dump(String8& result) const;
-    virtual void dump(String8& result, const char* prefix) const;
-
-    // public facing structure for BufferSlot
-    struct BufferItem {
-
-        BufferItem() :
-           mTransform(0),
-           mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-           mTimestamp(0),
-           mFrameNumber(0),
-           mBuf(INVALID_BUFFER_SLOT),
-           mIsDroppable(false),
-           mAcquireCalled(false) {
-             mCrop.makeInvalid();
-        }
-        // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-        // if the buffer in this slot has been acquired in the past (see
-        // BufferSlot.mAcquireCalled).
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mCrop is the current crop rectangle for this buffer slot.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot.
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot.
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
-        int64_t mTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.
-        uint64_t mFrameNumber;
-
-        // mBuf is the slot index of this buffer
-        int mBuf;
-
-        // mFence is a fence that will signal when the buffer is idle.
-        sp<Fence> mFence;
-
-        // mIsDroppable whether this buffer was queued with the
-        // property that it can be replaced by a new buffer for the purpose of
-        // making sure dequeueBuffer() won't block.
-        // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
-        // was queued.
-        bool mIsDroppable;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
-    };
-
-    // The following public functions are the consumer-facing interface
+    /*
+     * IGraphicBufferConsumer interface
+     */
 
     // acquireBuffer attempts to acquire ownership of the next pending buffer in
     // the BufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
@@ -286,7 +217,7 @@
     // future, the buffer won't be acquired, and PRESENT_LATER will be
     // returned.  The presentation time is in nanoseconds, and the time base
     // is CLOCK_MONOTONIC.
-    status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen);
+    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen);
 
     // releaseBuffer releases a buffer slot from the consumer back to the
     // BufferQueue.  This may be done while the buffer's contents are still
@@ -300,7 +231,7 @@
     //
     // Note that the dependencies on EGL will be removed once we switch to using
     // the Android HW Sync HAL.
-    status_t releaseBuffer(int buf, uint64_t frameNumber,
+    virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
             EGLDisplay display, EGLSyncKHR fence,
             const sp<Fence>& releaseFence);
 
@@ -312,25 +243,25 @@
     // the application.
     //
     // consumer may not be NULL.
-    status_t consumerConnect(const sp<ConsumerListener>& consumer, bool controlledByApp);
+    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp);
 
     // consumerDisconnect disconnects a consumer from the BufferQueue. All
     // buffers will be freed and the BufferQueue is placed in the "abandoned"
     // state, causing most interactions with the BufferQueue by the producer to
     // fail.
-    status_t consumerDisconnect();
+    virtual status_t consumerDisconnect();
 
     // getReleasedBuffers sets the value pointed to by slotMask to a bit mask
     // indicating which buffer slots have been released by the BufferQueue
     // but have not yet been released by the consumer.
     //
     // This should be called from the onBuffersReleased() callback.
-    status_t getReleasedBuffers(uint32_t* slotMask);
+    virtual status_t getReleasedBuffers(uint32_t* slotMask);
 
     // setDefaultBufferSize is used to set the size of buffers returned by
     // dequeueBuffer when a width and height of zero is requested.  Default
     // is 1x1.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
+    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h);
 
     // setDefaultMaxBufferCount sets the default value for the maximum buffer
     // count (the initial default is 2). If the producer has requested a
@@ -338,38 +269,38 @@
     // take effect if the producer sets the count back to zero.
     //
     // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    status_t setDefaultMaxBufferCount(int bufferCount);
+    virtual status_t setDefaultMaxBufferCount(int bufferCount);
 
     // disableAsyncBuffer disables the extra buffer used in async mode
     // (when both producer and consumer have set their "isControlledByApp"
     // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
     //
     // This can only be called before consumerConnect().
-    status_t disableAsyncBuffer();
+    virtual status_t disableAsyncBuffer();
 
     // setMaxAcquiredBufferCount sets the maximum number of buffers that can
     // be acquired by the consumer at one time (default 1).  This call will
     // fail if a producer is connected to the BufferQueue.
-    status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
+    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
 
     // setConsumerName sets the name used in logging
-    void setConsumerName(const String8& name);
+    virtual void setConsumerName(const String8& name);
 
     // setDefaultBufferFormat allows the BufferQueue to create
     // GraphicBuffers of a defaultFormat if no format is specified
     // in dequeueBuffer.  Formats are enumerated in graphics.h; the
     // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    status_t setDefaultBufferFormat(uint32_t defaultFormat);
+    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
 
     // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
     // These are merged with the bits passed to dequeueBuffer.  The values are
     // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    status_t setConsumerUsageBits(uint32_t usage);
+    virtual status_t setConsumerUsageBits(uint32_t usage);
 
     // setTransformHint bakes in rotation to buffers so overlays can be used.
     // The values are enumerated in window.h, e.g.
     // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    status_t setTransformHint(uint32_t hint);
+    virtual status_t setTransformHint(uint32_t hint);
 
 
 private:
@@ -560,7 +491,7 @@
     // mConsumerListener is used to notify the connected consumer of
     // asynchronous events that it may wish to react to.  It is initially set
     // to NULL and is written by consumerConnect and consumerDisconnect.
-    sp<ConsumerListener> mConsumerListener;
+    sp<IConsumerListener> mConsumerListener;
 
     // mConsumerControlledByApp whether the connected consumer is controlled by the
     // application.
diff --git a/include/gui/ConsumerBase.h b/include/gui/ConsumerBase.h
index 7b58bc5..daad757 100644
--- a/include/gui/ConsumerBase.h
+++ b/include/gui/ConsumerBase.h
@@ -24,6 +24,7 @@
 #include <utils/String8.h>
 #include <utils/Vector.h>
 #include <utils/threads.h>
+#include <gui/IConsumerListener.h>
 
 namespace android {
 // ----------------------------------------------------------------------------
@@ -34,7 +35,7 @@
 // handles common tasks like management of the connection to the BufferQueue
 // and the buffer pool.
 class ConsumerBase : public virtual RefBase,
-        protected BufferQueue::ConsumerListener {
+        protected ConsumerListener {
 public:
     struct FrameAvailableListener : public virtual RefBase {
         // onFrameAvailable() is called each time an additional frame becomes
diff --git a/include/gui/IConsumerListener.h b/include/gui/IConsumerListener.h
new file mode 100644
index 0000000..ac2f9bb
--- /dev/null
+++ b/include/gui/IConsumerListener.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2013 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_GUI_ICONSUMERLISTENER_H
+#define ANDROID_GUI_ICONSUMERLISTENER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+#include <binder/IInterface.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+// ConsumerListener is the interface through which the BufferQueue notifies
+// the consumer of events that the consumer may wish to react to.  Because
+// the consumer will generally have a mutex that is locked during calls from
+// the consumer to the BufferQueue, these calls from the BufferQueue to the
+// consumer *MUST* be called only when the BufferQueue mutex is NOT locked.
+
+class ConsumerListener : public virtual RefBase {
+public:
+    ConsumerListener() { }
+    virtual ~ConsumerListener() { }
+
+    // onFrameAvailable is called from queueBuffer each time an additional
+    // frame becomes available for consumption. This means that frames that
+    // are queued while in asynchronous mode only trigger the callback if no
+    // previous frames are pending. Frames queued while in synchronous mode
+    // always trigger the callback.
+    //
+    // This is called without any lock held and can be called concurrently
+    // by multiple threads.
+    virtual void onFrameAvailable() = 0; /* Asynchronous */
+
+    // onBuffersReleased is called to notify the buffer consumer that the
+    // BufferQueue has released its references to one or more GraphicBuffers
+    // contained in its slots.  The buffer consumer should then call
+    // BufferQueue::getReleasedBuffers to retrieve the list of buffers
+    //
+    // This is called without any lock held and can be called concurrently
+    // by multiple threads.
+    virtual void onBuffersReleased() = 0; /* Asynchronous */
+};
+
+
+class IConsumerListener : public ConsumerListener, public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(ConsumerListener);
+};
+
+// ----------------------------------------------------------------------------
+
+class BnConsumerListener : public BnInterface<IConsumerListener>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_ICONSUMERLISTENER_H
diff --git a/include/gui/IGraphicBufferConsumer.h b/include/gui/IGraphicBufferConsumer.h
new file mode 100644
index 0000000..82b50c8
--- /dev/null
+++ b/include/gui/IGraphicBufferConsumer.h
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2013 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_GUI_IGRAPHICBUFFERCONSUMER_H
+#define ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+
+#include <binder/IInterface.h>
+#include <ui/Rect.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+class IConsumerListener;
+class GraphicBuffer;
+class Fence;
+
+class IGraphicBufferConsumer : public IInterface {
+
+public:
+
+    // public facing structure for BufferSlot
+    class BufferItem : public Flattenable<BufferItem> {
+        friend class Flattenable<BufferItem>;
+        size_t getPodSize() const;
+        size_t getFlattenedSize() const;
+        size_t getFdCount() const;
+        status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
+        status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
+
+    public:
+        enum { INVALID_BUFFER_SLOT = -1 };
+        BufferItem();
+
+        // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
+        // if the buffer in this slot has been acquired in the past (see
+        // BufferSlot.mAcquireCalled).
+        sp<GraphicBuffer> mGraphicBuffer;
+
+        // mFence is a fence that will signal when the buffer is idle.
+        sp<Fence> mFence;
+
+        // mCrop is the current crop rectangle for this buffer slot.
+        Rect mCrop;
+
+        // mTransform is the current transform flags for this buffer slot.
+        uint32_t mTransform;
+
+        // mScalingMode is the current scaling mode for this buffer slot.
+        uint32_t mScalingMode;
+
+        // mTimestamp is the current timestamp for this buffer slot. This gets
+        // to set by queueBuffer each time this slot is queued.
+        int64_t mTimestamp;
+
+        // mFrameNumber is the number of the queued frame for this slot.
+        uint64_t mFrameNumber;
+
+        // mBuf is the slot index of this buffer
+        int mBuf;
+
+        // mIsDroppable whether this buffer was queued with the
+        // property that it can be replaced by a new buffer for the purpose of
+        // making sure dequeueBuffer() won't block.
+        // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
+        // was queued.
+        bool mIsDroppable;
+
+        // Indicates whether this buffer has been seen by a consumer yet
+        bool mAcquireCalled;
+    };
+
+
+    // acquireBuffer attempts to acquire ownership of the next pending buffer in
+    // the BufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
+    // buffer is successfully acquired, the information about the buffer is
+    // returned in BufferItem.  If the buffer returned had previously been
+    // acquired then the BufferItem::mGraphicBuffer field of buffer is set to
+    // NULL and it is assumed that the consumer still holds a reference to the
+    // buffer.
+    //
+    // If presentWhen is nonzero, it indicates the time when the buffer will
+    // be displayed on screen.  If the buffer's timestamp is farther in the
+    // future, the buffer won't be acquired, and PRESENT_LATER will be
+    // returned.  The presentation time is in nanoseconds, and the time base
+    // is CLOCK_MONOTONIC.
+    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) = 0;
+
+    // releaseBuffer releases a buffer slot from the consumer back to the
+    // BufferQueue.  This may be done while the buffer's contents are still
+    // being accessed.  The fence will signal when the buffer is no longer
+    // in use. frameNumber is used to indentify the exact buffer returned.
+    //
+    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
+    // any references to the just-released buffer that it might have, as if it
+    // had received a onBuffersReleased() call with a mask set for the released
+    // buffer.
+    //
+    // Note that the dependencies on EGL will be removed once we switch to using
+    // the Android HW Sync HAL.
+    virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
+            EGLDisplay display, EGLSyncKHR fence,
+            const sp<Fence>& releaseFence) = 0;
+
+    // consumerConnect connects a consumer to the BufferQueue.  Only one
+    // consumer may be connected, and when that consumer disconnects the
+    // BufferQueue is placed into the "abandoned" state, causing most
+    // interactions with the BufferQueue by the producer to fail.
+    // controlledByApp indicates whether the consumer is controlled by
+    // the application.
+    //
+    // consumer may not be NULL.
+    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) = 0;
+
+    // consumerDisconnect disconnects a consumer from the BufferQueue. All
+    // buffers will be freed and the BufferQueue is placed in the "abandoned"
+    // state, causing most interactions with the BufferQueue by the producer to
+    // fail.
+    virtual status_t consumerDisconnect() = 0;
+
+    // getReleasedBuffers sets the value pointed to by slotMask to a bit mask
+    // indicating which buffer slots have been released by the BufferQueue
+    // but have not yet been released by the consumer.
+    //
+    // This should be called from the onBuffersReleased() callback.
+    virtual status_t getReleasedBuffers(uint32_t* slotMask) = 0;
+
+    // setDefaultBufferSize is used to set the size of buffers returned by
+    // dequeueBuffer when a width and height of zero is requested.  Default
+    // is 1x1.
+    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
+
+    // setDefaultMaxBufferCount sets the default value for the maximum buffer
+    // count (the initial default is 2). If the producer has requested a
+    // buffer count using setBufferCount, the default buffer count will only
+    // take effect if the producer sets the count back to zero.
+    //
+    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
+    virtual status_t setDefaultMaxBufferCount(int bufferCount) = 0;
+
+    // disableAsyncBuffer disables the extra buffer used in async mode
+    // (when both producer and consumer have set their "isControlledByApp"
+    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
+    //
+    // This can only be called before consumerConnect().
+    virtual status_t disableAsyncBuffer() = 0;
+
+    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
+    // be acquired by the consumer at one time (default 1).  This call will
+    // fail if a producer is connected to the BufferQueue.
+    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) = 0;
+
+    // setConsumerName sets the name used in logging
+    virtual void setConsumerName(const String8& name) = 0;
+
+    // setDefaultBufferFormat allows the BufferQueue to create
+    // GraphicBuffers of a defaultFormat if no format is specified
+    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
+    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
+    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) = 0;
+
+    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
+    // These are merged with the bits passed to dequeueBuffer.  The values are
+    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
+    virtual status_t setConsumerUsageBits(uint32_t usage) = 0;
+
+    // setTransformHint bakes in rotation to buffers so overlays can be used.
+    // The values are enumerated in window.h, e.g.
+    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
+    virtual status_t setTransformHint(uint32_t hint) = 0;
+
+public:
+    DECLARE_META_INTERFACE(GraphicBufferConsumer);
+};
+
+// ----------------------------------------------------------------------------
+
+class BnGraphicBufferConsumer : public BnInterface<IGraphicBufferConsumer>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H
diff --git a/libs/gui/Android.mk b/libs/gui/Android.mk
index f627e5d..c14c950 100644
--- a/libs/gui/Android.mk
+++ b/libs/gui/Android.mk
@@ -2,6 +2,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:= \
+	IGraphicBufferConsumer.cpp \
+	IConsumerListener.cpp \
 	BitTube.cpp \
 	BufferItemConsumer.cpp \
 	BufferQueue.cpp \
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index e20ac86..8524a8b 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -25,6 +25,7 @@
 #include <EGL/eglext.h>
 
 #include <gui/BufferQueue.h>
+#include <gui/IConsumerListener.h>
 #include <gui/ISurfaceComposer.h>
 #include <private/gui/ComposerService.h>
 
@@ -138,7 +139,7 @@
 status_t BufferQueue::setBufferCount(int bufferCount) {
     ST_LOGV("setBufferCount: count=%d", bufferCount);
 
-    sp<ConsumerListener> listener;
+    sp<IConsumerListener> listener;
     {
         Mutex::Autolock lock(mMutex);
 
@@ -492,7 +493,7 @@
             return -EINVAL;
     }
 
-    sp<ConsumerListener> listener;
+    sp<IConsumerListener> listener;
 
     { // scope for the lock
         Mutex::Autolock lock(mMutex);
@@ -675,7 +676,7 @@
     ST_LOGV("disconnect: api=%d", api);
 
     int err = NO_ERROR;
-    sp<ConsumerListener> listener;
+    sp<IConsumerListener> listener;
 
     { // Scope for the lock
         Mutex::Autolock lock(mMutex);
@@ -951,7 +952,7 @@
     return NO_ERROR;
 }
 
-status_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener,
+status_t BufferQueue::consumerConnect(const sp<IConsumerListener>& consumerListener,
         bool controlledByApp) {
     ST_LOGV("consumerConnect");
     Mutex::Autolock lock(mMutex);
@@ -1127,20 +1128,20 @@
 }
 
 BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
-        const wp<BufferQueue::ConsumerListener>& consumerListener):
+        const wp<ConsumerListener>& consumerListener):
         mConsumerListener(consumerListener) {}
 
 BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
 
 void BufferQueue::ProxyConsumerListener::onFrameAvailable() {
-    sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote());
+    sp<ConsumerListener> listener(mConsumerListener.promote());
     if (listener != NULL) {
         listener->onFrameAvailable();
     }
 }
 
 void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
-    sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote());
+    sp<ConsumerListener> listener(mConsumerListener.promote());
     if (listener != NULL) {
         listener->onBuffersReleased();
     }
diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index cd94ce1..d748786 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -61,10 +61,8 @@
     // reference once the ctor ends, as that would cause the refcount of 'this'
     // dropping to 0 at the end of the ctor.  Since all we need is a wp<...>
     // that's what we create.
-    wp<BufferQueue::ConsumerListener> listener;
-    sp<BufferQueue::ConsumerListener> proxy;
-    listener = static_cast<BufferQueue::ConsumerListener*>(this);
-    proxy = new BufferQueue::ProxyConsumerListener(listener);
+    wp<ConsumerListener> listener = static_cast<ConsumerListener*>(this);
+    sp<IConsumerListener> proxy = new BufferQueue::ProxyConsumerListener(listener);
 
     status_t err = mBufferQueue->consumerConnect(proxy, controlledByApp);
     if (err != NO_ERROR) {
diff --git a/libs/gui/IConsumerListener.cpp b/libs/gui/IConsumerListener.cpp
new file mode 100644
index 0000000..5304462
--- /dev/null
+++ b/libs/gui/IConsumerListener.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+#include <gui/IConsumerListener.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+enum {
+    ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION,
+    ON_BUFFER_RELEASED
+};
+
+class BpConsumerListener : public BpInterface<IConsumerListener>
+{
+public:
+    BpConsumerListener(const sp<IBinder>& impl)
+        : BpInterface<IConsumerListener>(impl) {
+    }
+
+    virtual void onFrameAvailable() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
+        remote()->transact(ON_FRAME_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    virtual void onBuffersReleased() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
+        remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(ConsumerListener, "android.gui.IConsumerListener");
+
+// ----------------------------------------------------------------------
+
+status_t BnConsumerListener::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case ON_FRAME_AVAILABLE:
+            CHECK_INTERFACE(IConsumerListener, data, reply);
+            onFrameAvailable();
+            return NO_ERROR;
+        case ON_BUFFER_RELEASED:
+            CHECK_INTERFACE(IConsumerListener, data, reply);
+            onBuffersReleased();
+            return NO_ERROR;
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+// ---------------------------------------------------------------------------
diff --git a/libs/gui/IGraphicBufferConsumer.cpp b/libs/gui/IGraphicBufferConsumer.cpp
new file mode 100644
index 0000000..5263281
--- /dev/null
+++ b/libs/gui/IGraphicBufferConsumer.cpp
@@ -0,0 +1,459 @@
+/*
+ * Copyright (C) 2013 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 EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+
+#include <binder/Parcel.h>
+#include <binder/IInterface.h>
+
+#include <gui/IConsumerListener.h>
+#include <gui/IGraphicBufferConsumer.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/Fence.h>
+
+#include <system/window.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+IGraphicBufferConsumer::BufferItem::BufferItem() :
+    mTransform(0),
+    mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
+    mTimestamp(0),
+    mFrameNumber(0),
+    mBuf(INVALID_BUFFER_SLOT),
+    mIsDroppable(false),
+    mAcquireCalled(false) {
+    mCrop.makeInvalid();
+}
+
+size_t IGraphicBufferConsumer::BufferItem::getPodSize() const {
+    size_t c =  sizeof(mCrop) +
+            sizeof(mTransform) +
+            sizeof(mScalingMode) +
+            sizeof(mTimestamp) +
+            sizeof(mFrameNumber) +
+            sizeof(mBuf) +
+            sizeof(mIsDroppable) +
+            sizeof(mAcquireCalled);
+    return c;
+}
+
+size_t IGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
+    size_t c = 0;
+    if (mGraphicBuffer != 0) {
+        c += mGraphicBuffer->getFlattenedSize();
+        FlattenableUtils::align<4>(c);
+    }
+    if (mFence != 0) {
+        c += mFence->getFlattenedSize();
+        FlattenableUtils::align<4>(c);
+    }
+    return sizeof(int32_t) + c + getPodSize();
+}
+
+size_t IGraphicBufferConsumer::BufferItem::getFdCount() const {
+    size_t c = 0;
+    if (mGraphicBuffer != 0) {
+        c += mGraphicBuffer->getFdCount();
+    }
+    if (mFence != 0) {
+        c += mFence->getFdCount();
+    }
+    return c;
+}
+
+status_t IGraphicBufferConsumer::BufferItem::flatten(
+        void*& buffer, size_t& size, int*& fds, size_t& count) const {
+
+    // make sure we have enough space
+    if (count < BufferItem::getFlattenedSize()) {
+        return NO_MEMORY;
+    }
+
+    // content flags are stored first
+    uint32_t& flags = *static_cast<uint32_t*>(buffer);
+
+    // advance the pointer
+    FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
+
+    flags = 0;
+    if (mGraphicBuffer != 0) {
+        status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
+        if (err) return err;
+        size -= FlattenableUtils::align<4>(buffer);
+        flags |= 1;
+    }
+    if (mFence != 0) {
+        status_t err = mFence->flatten(buffer, size, fds, count);
+        if (err) return err;
+        size -= FlattenableUtils::align<4>(buffer);
+        flags |= 2;
+    }
+
+    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
+    if (size < getPodSize()) {
+        return NO_MEMORY;
+    }
+
+    FlattenableUtils::write(buffer, size, mCrop);
+    FlattenableUtils::write(buffer, size, mTransform);
+    FlattenableUtils::write(buffer, size, mScalingMode);
+    FlattenableUtils::write(buffer, size, mTimestamp);
+    FlattenableUtils::write(buffer, size, mFrameNumber);
+    FlattenableUtils::write(buffer, size, mBuf);
+    FlattenableUtils::write(buffer, size, mIsDroppable);
+    FlattenableUtils::write(buffer, size, mAcquireCalled);
+
+    return NO_ERROR;
+}
+
+status_t IGraphicBufferConsumer::BufferItem::unflatten(
+        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
+
+    if (size < sizeof(uint32_t))
+        return NO_MEMORY;
+
+    uint32_t flags = 0;
+    FlattenableUtils::read(buffer, size, flags);
+
+    if (flags & 1) {
+        mGraphicBuffer = new GraphicBuffer();
+        status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
+        if (err) return err;
+        size -= FlattenableUtils::align<4>(buffer);
+    }
+
+    if (flags & 2) {
+        mFence = new Fence();
+        status_t err = mFence->unflatten(buffer, size, fds, count);
+        if (err) return err;
+        size -= FlattenableUtils::align<4>(buffer);
+    }
+
+    // check we have enough space
+    if (size < getPodSize()) {
+        return NO_MEMORY;
+    }
+
+    FlattenableUtils::read(buffer, size, mCrop);
+    FlattenableUtils::read(buffer, size, mTransform);
+    FlattenableUtils::read(buffer, size, mScalingMode);
+    FlattenableUtils::read(buffer, size, mTimestamp);
+    FlattenableUtils::read(buffer, size, mFrameNumber);
+    FlattenableUtils::read(buffer, size, mBuf);
+    FlattenableUtils::read(buffer, size, mIsDroppable);
+    FlattenableUtils::read(buffer, size, mAcquireCalled);
+
+    return NO_ERROR;
+}
+
+// ---------------------------------------------------------------------------
+
+enum {
+    ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
+    RELEASE_BUFFER,
+    CONSUMER_CONNECT,
+    CONSUMER_DISCONNECT,
+    GET_RELEASED_BUFFERS,
+    SET_DEFAULT_BUFFER_SIZE,
+    SET_DEFAULT_MAX_BUFFER_COUNT,
+    DISABLE_ASYNC_BUFFER,
+    SET_MAX_ACQUIRED_BUFFER_COUNT,
+    SET_CONSUMER_NAME,
+    SET_DEFAULT_BUFFER_FORMAT,
+    SET_CONSUMER_USAGE_BITS,
+    SET_TRANSFORM_HINT
+};
+
+
+class BpGraphicBufferConsumer : public BpInterface<IGraphicBufferConsumer>
+{
+public:
+    BpGraphicBufferConsumer(const sp<IBinder>& impl)
+        : BpInterface<IGraphicBufferConsumer>(impl)
+    {
+    }
+
+    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt64(presentWhen);
+        status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        result = reply.read(*buffer);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
+            EGLDisplay display, EGLSyncKHR fence,
+            const sp<Fence>& releaseFence) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(buf);
+        data.writeInt64(frameNumber);
+        data.write(*releaseFence);
+        status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeStrongBinder(consumer->asBinder());
+        data.writeInt32(controlledByApp);
+        status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t consumerDisconnect() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t getReleasedBuffers(uint32_t* slotMask) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        *slotMask = reply.readInt32();
+        return reply.readInt32();
+    }
+
+    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(w);
+        data.writeInt32(h);
+        status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t setDefaultMaxBufferCount(int bufferCount) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(bufferCount);
+        status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t disableAsyncBuffer() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(maxAcquiredBuffers);
+        status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual void setConsumerName(const String8& name) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeString8(name);
+        remote()->transact(SET_CONSUMER_NAME, data, &reply);
+    }
+
+    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(defaultFormat);
+        status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t setConsumerUsageBits(uint32_t usage) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(usage);
+        status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+
+    virtual status_t setTransformHint(uint32_t hint) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        data.writeInt32(hint);
+        status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        return reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer");
+
+// ----------------------------------------------------------------------
+
+status_t BnGraphicBufferConsumer::onTransact(
+        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case ACQUIRE_BUFFER: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            BufferItem item;
+            int64_t presentWhen = data.readInt64();
+            status_t result = acquireBuffer(&item, presentWhen);
+            status_t err = reply->write(item);
+            if (err) return err;
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case RELEASE_BUFFER: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            int buf = data.readInt32();
+            uint64_t frameNumber = data.readInt64();
+            sp<Fence> releaseFence = new Fence();
+            status_t err = data.read(*releaseFence);
+            if (err) return err;
+            status_t result = releaseBuffer(buf, frameNumber,
+                    EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case CONSUMER_CONNECT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
+            bool controlledByApp = data.readInt32();
+            status_t result = consumerConnect(consumer, controlledByApp);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case CONSUMER_DISCONNECT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            status_t result = consumerDisconnect();
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case GET_RELEASED_BUFFERS: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t slotMask;
+            status_t result = getReleasedBuffers(&slotMask);
+            reply->writeInt32(slotMask);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_DEFAULT_BUFFER_SIZE: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t w = data.readInt32();
+            uint32_t h = data.readInt32();
+            status_t result = setDefaultBufferSize(w, h);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_DEFAULT_MAX_BUFFER_COUNT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t bufferCount = data.readInt32();
+            status_t result = setDefaultMaxBufferCount(bufferCount);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case DISABLE_ASYNC_BUFFER: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            status_t result = disableAsyncBuffer();
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_MAX_ACQUIRED_BUFFER_COUNT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t maxAcquiredBuffers = data.readInt32();
+            status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_CONSUMER_NAME: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            setConsumerName( data.readString8() );
+            return NO_ERROR;
+        } break;
+        case SET_DEFAULT_BUFFER_FORMAT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t defaultFormat = data.readInt32();
+            status_t result = setDefaultBufferFormat(defaultFormat);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_CONSUMER_USAGE_BITS: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t usage = data.readInt32();
+            status_t result = setConsumerUsageBits(usage);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+        case SET_TRANSFORM_HINT: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            uint32_t hint = data.readInt32();
+            status_t result = setTransformHint(hint);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+}; // namespace android
diff --git a/libs/gui/tests/BufferQueue_test.cpp b/libs/gui/tests/BufferQueue_test.cpp
index b691fc1..da98c8d 100644
--- a/libs/gui/tests/BufferQueue_test.cpp
+++ b/libs/gui/tests/BufferQueue_test.cpp
@@ -55,7 +55,7 @@
     sp<BufferQueue> mBQ;
 };
 
-struct DummyConsumer : public BufferQueue::ConsumerListener {
+struct DummyConsumer : public BnConsumerListener {
     virtual void onFrameAvailable() {}
     virtual void onBuffersReleased() {}
 };
diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp
index e6d87db..ae223c6 100644
--- a/libs/gui/tests/SurfaceTexture_test.cpp
+++ b/libs/gui/tests/SurfaceTexture_test.cpp
@@ -628,7 +628,7 @@
     // no way to forward the events.  This DisconnectWaiter will not let the
     // disconnect finish until finishDisconnect() is called.  It will
     // also block until a disconnect is called
-    class DisconnectWaiter : public BufferQueue::ConsumerListener {
+    class DisconnectWaiter : public BnConsumerListener {
     public:
         DisconnectWaiter () :
             mWaitForDisconnect(false),
diff --git a/opengl/tests/EGLTest/Android.mk b/opengl/tests/EGLTest/Android.mk
index 1a9ee5c..f37efec 100644
--- a/opengl/tests/EGLTest/Android.mk
+++ b/opengl/tests/EGLTest/Android.mk
@@ -13,6 +13,7 @@
 LOCAL_SHARED_LIBRARIES := \
 	libEGL \
 	libcutils \
+	libbinder \
 	libstlport \
 	libutils \
 	libgui \
diff --git a/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index 86bbb84..f6644fb 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -100,7 +100,7 @@
     };
     EXPECT_TRUE(eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs));
 
-    struct DummyConsumer : public BufferQueue::ConsumerListener {
+    struct DummyConsumer : public BnConsumerListener {
         virtual void onFrameAvailable() {}
         virtual void onBuffersReleased() {}
     };
diff --git a/services/surfaceflinger/SurfaceTextureLayer.cpp b/services/surfaceflinger/SurfaceTextureLayer.cpp
index b76dc0c..9d79ce2 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.cpp
+++ b/services/surfaceflinger/SurfaceTextureLayer.cpp
@@ -48,7 +48,8 @@
             return true;
         }
     };
-    flinger->postMessageAsync( new MessageCleanUpList(flinger, this) );
+    flinger->postMessageAsync(
+            new MessageCleanUpList(flinger, static_cast<BnGraphicBufferProducer*>(this)) );
 }
 
 // ---------------------------------------------------------------------------