diff --git a/include/gui/ISurfaceTexture.h b/include/gui/ISurfaceTexture.h
index 1eda646..50626a0 100644
--- a/include/gui/ISurfaceTexture.h
+++ b/include/gui/ISurfaceTexture.h
@@ -111,7 +111,12 @@
     //
     // This method will fail if the connect was previously called on the
     // SurfaceTexture and no corresponding disconnect call was made.
-    virtual status_t connect(int api) = 0;
+    //
+    // outWidth, outHeight and outTransform are filled with the default width
+    // and height of the window and current transform applied to buffers,
+    // respectively.
+    virtual status_t connect(int api,
+            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) = 0;
 
     // disconnect attempts to disconnect a client API from the SurfaceTexture.
     // Calling this method will cause any subsequent calls to other
diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index 2a8e725..3f9e68d 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -106,7 +106,8 @@
     //
     // This method will fail if the connect was previously called on the
     // SurfaceTexture and no corresponding disconnect call was made.
-    virtual status_t connect(int api);
+    virtual status_t connect(int api,
+            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform);
 
     // disconnect attempts to disconnect a client API from the SurfaceTexture.
     // Calling this method will cause any subsequent calls to other
diff --git a/libs/gui/ISurfaceTexture.cpp b/libs/gui/ISurfaceTexture.cpp
index 55246dc..babd2c0 100644
--- a/libs/gui/ISurfaceTexture.cpp
+++ b/libs/gui/ISurfaceTexture.cpp
@@ -162,11 +162,15 @@
         return result;
     }
 
-    virtual status_t connect(int api) {
+    virtual status_t connect(int api,
+            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceTexture::getInterfaceDescriptor());
         data.writeInt32(api);
         remote()->transact(CONNECT, data, &reply);
+        *outWidth = reply.readInt32();
+        *outHeight = reply.readInt32();
+        *outTransform = reply.readInt32();
         status_t result = reply.readInt32();
         return result;
     }
@@ -283,7 +287,12 @@
         case CONNECT: {
             CHECK_INTERFACE(ISurfaceTexture, data, reply);
             int api = data.readInt32();
-            status_t res = connect(api);
+            uint32_t outWidth, outHeight, outTransform;
+            status_t res = connect(api,
+                    &outWidth, &outHeight, &outTransform);
+            reply->writeInt32(outWidth);
+            reply->writeInt32(outHeight);
+            reply->writeInt32(outTransform);
             reply->writeInt32(res);
             return NO_ERROR;
         } break;
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 1a036ee..4bbf7eb 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -548,7 +548,8 @@
     return OK;
 }
 
-status_t SurfaceTexture::connect(int api) {
+status_t SurfaceTexture::connect(int api,
+        uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
     LOGV("SurfaceTexture::connect(this=%p, %d)", this, api);
     Mutex::Autolock lock(mMutex);
 
@@ -569,6 +570,9 @@
                 err = -EINVAL;
             } else {
                 mConnectedApi = api;
+                *outWidth = mDefaultWidth;
+                *outHeight = mDefaultHeight;
+                *outTransform = 0;
             }
             break;
         default:
@@ -595,6 +599,7 @@
         case NATIVE_WINDOW_API_CAMERA:
             if (mConnectedApi == api) {
                 mConnectedApi = NO_CONNECTED_API;
+                freeAllBuffers();
             } else {
                 LOGE("disconnect: connected to another api (cur=%d, req=%d)",
                         mConnectedApi, api);
@@ -628,16 +633,32 @@
     LOGV("SurfaceTexture::updateTexImage");
     Mutex::Autolock lock(mMutex);
 
+    if (mAbandoned) {
+        LOGE("calling updateTexImage() on an abandoned SurfaceTexture");
+        //return NO_INIT;
+    }
+
     // In asynchronous mode the list is guaranteed to be one buffer
     // deep, while in synchronous mode we use the oldest buffer.
     if (!mQueue.empty()) {
         Fifo::iterator front(mQueue.begin());
         int buf = *front;
 
+        if (uint32_t(buf) >= NUM_BUFFER_SLOTS) {
+            LOGE("buffer index out of range (index=%d)", buf);
+            //return BAD_VALUE;
+        }
+
         // Update the GL texture object.
         EGLImageKHR image = mSlots[buf].mEglImage;
         if (image == EGL_NO_IMAGE_KHR) {
             EGLDisplay dpy = eglGetCurrentDisplay();
+
+            if (mSlots[buf].mGraphicBuffer == 0) {
+                LOGE("buffer at slot %d is null", buf);
+                //return BAD_VALUE;
+            }
+
             image = createImage(dpy, mSlots[buf].mGraphicBuffer);
             mSlots[buf].mEglImage = image;
             mSlots[buf].mEglDisplay = dpy;
@@ -966,13 +987,24 @@
     for (int i=0 ; i<mBufferCount ; i++) {
         const BufferSlot& slot(mSlots[i]);
         snprintf(buffer, SIZE,
-                "%s%s[%02d] state=%-8s, crop=[%d,%d,%d,%d], transform=0x%02x, "
-                "timestamp=%lld\n",
-                prefix, (i==mCurrentTexture)?">":" ", i, stateName(slot.mBufferState),
+                "%s%s[%02d] "
+                "state=%-8s, crop=[%d,%d,%d,%d], "
+                "transform=0x%02x, timestamp=%lld",
+                prefix, (i==mCurrentTexture)?">":" ", i,
+                stateName(slot.mBufferState),
                 slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, slot.mCrop.bottom,
                 slot.mTransform, slot.mTimestamp
         );
         result.append(buffer);
+
+        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
+        if (buf != NULL) {
+            snprintf(buffer, SIZE,
+                    ", %p [%4ux%4u:%4u,%3X]",
+                    buf->handle, buf->width, buf->height, buf->stride, buf->format);
+            result.append(buffer);
+        }
+        result.append("\n");
     }
 }
 
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index d1037de..e91be84 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -385,7 +385,8 @@
 int SurfaceTextureClient::connect(int api) {
     LOGV("SurfaceTextureClient::connect");
     Mutex::Autolock lock(mMutex);
-    int err = mSurfaceTexture->connect(api);
+    int err = mSurfaceTexture->connect(api,
+            &mDefaultWidth, &mDefaultHeight, &mTransformHint);
     if (!err && api == NATIVE_WINDOW_API_CPU) {
         mConnectedToCpu = true;
     }
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 383c045..505c843 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -533,7 +533,7 @@
     }
     snprintf(buffer, SIZE,
             "      "
-            "format=%2d, activeBuffer=[%3ux%3u:%3u,%3u],"
+            "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
             " freezeLock=%p, queued-frames=%d\n",
             mFormat, w0, h0, s0,f0,
             getFreezeLock().get(), mQueuedFrames);
diff --git a/services/surfaceflinger/SurfaceTextureLayer.cpp b/services/surfaceflinger/SurfaceTextureLayer.cpp
index 5973e76..79cd0c3 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.cpp
+++ b/services/surfaceflinger/SurfaceTextureLayer.cpp
@@ -86,9 +86,19 @@
     return res;
 }
 
-status_t SurfaceTextureLayer::connect(int api) {
-    status_t err = SurfaceTexture::connect(api);
+status_t SurfaceTextureLayer::connect(int api,
+        uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
+    status_t err = SurfaceTexture::connect(api,
+            outWidth, outHeight, outTransform);
     if (err == NO_ERROR) {
+        sp<Layer> layer(mLayer.promote());
+        if (layer != NULL) {
+            uint32_t orientation = layer->getOrientation();
+            if (orientation & Transform::ROT_INVALID) {
+                orientation = 0;
+            }
+            *outTransform = orientation;
+        }
         switch(api) {
             case NATIVE_WINDOW_API_MEDIA:
             case NATIVE_WINDOW_API_CAMERA:
diff --git a/services/surfaceflinger/SurfaceTextureLayer.h b/services/surfaceflinger/SurfaceTextureLayer.h
index 5d328b7..9508524 100644
--- a/services/surfaceflinger/SurfaceTextureLayer.h
+++ b/services/surfaceflinger/SurfaceTextureLayer.h
@@ -51,7 +51,8 @@
     virtual status_t dequeueBuffer(int *buf, uint32_t w, uint32_t h,
             uint32_t format, uint32_t usage);
 
-    virtual status_t connect(int api);
+    virtual status_t connect(int api,
+            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform);
 };
 
 // ---------------------------------------------------------------------------