diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
new file mode 100644
index 0000000..54ce789
--- /dev/null
+++ b/include/gui/SurfaceTexture.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2010 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_SURFACETEXTURE_H
+#define ANDROID_GUI_SURFACETEXTURE_H
+
+namespace android {
+
+struct SurfaceTexture {
+    struct FrameAvailableListener : public virtual RefBase {};
+
+    SurfaceTexture(GLuint) {}
+    void updateTexImage() {}
+    void decStrong(android::sp<android::SurfaceTexture>* const) {}
+    void incStrong(android::sp<android::SurfaceTexture>* const) {}
+    void getTransformMatrix(float mtx[16]) {}
+    void setFrameAvailableListener(const sp<FrameAvailableListener>&) {}
+};
+
+}
+
+#endif
diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
new file mode 100644
index 0000000..a83756e
--- /dev/null
+++ b/include/gui/SurfaceTextureClient.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2010 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_SURFACETEXTURECLIENT_H
+#define ANDROID_GUI_SURFACETEXTURECLIENT_H
+
+#include <ui/egl/android_natives.h>
+
+namespace android {
+
+struct SurfaceTextureClient : public ANativeWindow {
+    SurfaceTextureClient(const sp<SurfaceTexture>&){}
+};
+
+}
+
+#endif
diff --git a/include/ui/FramebufferNativeWindow.h b/include/ui/FramebufferNativeWindow.h
index c913355..2cd0911 100644
--- a/include/ui/FramebufferNativeWindow.h
+++ b/include/ui/FramebufferNativeWindow.h
@@ -29,6 +29,7 @@
 
 #include <ui/egl/android_natives.h>
 
+#define NUM_FRAME_BUFFERS  2
 
 extern "C" EGLNativeWindowType android_createDisplaySurface(void);
 
@@ -72,7 +73,7 @@
     framebuffer_device_t* fbDev;
     alloc_device_t* grDev;
 
-    sp<NativeBuffer> buffers[2];
+    sp<NativeBuffer> buffers[NUM_FRAME_BUFFERS];
     sp<NativeBuffer> front;
     
     mutable Mutex mutex;
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 8c6018b..4e809d6 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -38,6 +38,15 @@
     AKEY_EVENT_FLAG_START_TRACKING = 0x40000000
 };
 
+enum {
+    /*
+     * Indicates that an input device has switches.
+     * This input source flag is hidden from the API because switches are only used by the system
+     * and applications have no way to interact with them.
+     */
+    AINPUT_SOURCE_SWITCH = 0x80000000,
+};
+
 /*
  * Maximum number of pointers supported per motion event.
  * Smallest number of pointers is 1.
diff --git a/include/utils/Functor.h b/include/utils/Functor.h
new file mode 100644
index 0000000..56a7557
--- /dev/null
+++ b/include/utils/Functor.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2011 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_FUNCTOR_H
+#define ANDROID_FUNCTOR_H
+
+namespace  android {
+
+struct Functor{};
+
+}
+
+#endif
+
diff --git a/include/utils/ResourceTypes.h b/include/utils/ResourceTypes.h
index da86da4..ab7b973 100644
--- a/include/utils/ResourceTypes.h
+++ b/include/utils/ResourceTypes.h
@@ -1983,6 +1983,7 @@
 
 #ifndef HAVE_ANDROID_OS
     void print(bool inclValues) const;
+    static String8 normalizeForOutput(const char* input);
 #endif
 
 private:
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index f329ac4..d57f2c9 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -619,7 +619,10 @@
 status_t Parcel::writeString8(const String8& str)
 {
     status_t err = writeInt32(str.bytes());
-    if (err == NO_ERROR) {
+    // only write string if its length is more than zero characters,
+    // as readString8 will only read if the length field is non-zero.
+    // this is slightly different from how writeString16 works.
+    if (str.bytes() > 0 && err == NO_ERROR) {
         err = write(str.string(), str.bytes()+1);
     }
     return err;
diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index a36d555..04a0195 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -83,6 +83,7 @@
     if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) {
         int stride;
         int err;
+        int i;
         err = framebuffer_open(module, &fbDev);
         LOGE_IF(err, "couldn't open framebuffer HAL (%s)", strerror(-err));
         
@@ -96,27 +97,33 @@
         mUpdateOnDemand = (fbDev->setUpdateRect != 0);
         
         // initialize the buffer FIFO
-        mNumBuffers = 2;
-        mNumFreeBuffers = 2;
+        mNumBuffers = NUM_FRAME_BUFFERS;
+        mNumFreeBuffers = NUM_FRAME_BUFFERS;
         mBufferHead = mNumBuffers-1;
-        buffers[0] = new NativeBuffer(
-                fbDev->width, fbDev->height, fbDev->format, GRALLOC_USAGE_HW_FB);
-        buffers[1] = new NativeBuffer(
-                fbDev->width, fbDev->height, fbDev->format, GRALLOC_USAGE_HW_FB);
-        
-        err = grDev->alloc(grDev,
-                fbDev->width, fbDev->height, fbDev->format, 
-                GRALLOC_USAGE_HW_FB, &buffers[0]->handle, &buffers[0]->stride);
 
-        LOGE_IF(err, "fb buffer 0 allocation failed w=%d, h=%d, err=%s",
-                fbDev->width, fbDev->height, strerror(-err));
+        for (i = 0; i < mNumBuffers; i++)
+        {
+                buffers[i] = new NativeBuffer(
+                        fbDev->width, fbDev->height, fbDev->format, GRALLOC_USAGE_HW_FB);
+        }
 
-        err = grDev->alloc(grDev,
-                fbDev->width, fbDev->height, fbDev->format, 
-                GRALLOC_USAGE_HW_FB, &buffers[1]->handle, &buffers[1]->stride);
+        for (i = 0; i < mNumBuffers; i++)
+        {
+                err = grDev->alloc(grDev,
+                        fbDev->width, fbDev->height, fbDev->format,
+                        GRALLOC_USAGE_HW_FB, &buffers[i]->handle, &buffers[i]->stride);
 
-        LOGE_IF(err, "fb buffer 1 allocation failed w=%d, h=%d, err=%s",
-                fbDev->width, fbDev->height, strerror(-err));
+                LOGE_IF(err, "fb buffer %d allocation failed w=%d, h=%d, err=%s",
+                        i, fbDev->width, fbDev->height, strerror(-err));
+
+                if (err)
+                {
+                        mNumBuffers = i;
+                        mNumFreeBuffers = i;
+                        mBufferHead = mNumBuffers-1;
+                        break;
+                }
+        }
 
         const_cast<uint32_t&>(ANativeWindow::flags) = fbDev->flags; 
         const_cast<float&>(ANativeWindow::xdpi) = fbDev->xdpi;
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index 83b382b..34e44e4 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -824,7 +824,7 @@
 }
 
 uint32_t SwitchInputMapper::getSources() {
-    return 0;
+    return AINPUT_SOURCE_SWITCH;
 }
 
 void SwitchInputMapper::process(const RawEvent* rawEvent) {
diff --git a/libs/ui/Overlay.cpp b/libs/ui/Overlay.cpp
index 3aa8950..b082c53 100644
--- a/libs/ui/Overlay.cpp
+++ b/libs/ui/Overlay.cpp
@@ -96,7 +96,6 @@
 }
 
 void Overlay::destroy() {  
-    if (mStatus != NO_ERROR) return;
 
     // Must delete the objects in reverse creation order, thus the
     //  data side must be closed first and then the destroy send to
@@ -104,9 +103,15 @@
     if (mOverlayData) {
         overlay_data_close(mOverlayData);
         mOverlayData = NULL;
+    } else {
+        LOGD("Overlay::destroy mOverlayData is NULL");
     }
 
-    mOverlayRef->mOverlayChannel->destroy();
+    if (mOverlayRef != 0) {
+        mOverlayRef->mOverlayChannel->destroy();
+    } else {
+        LOGD("Overlay::destroy mOverlayRef is NULL");
+    }
 }
 
 status_t Overlay::getStatus() const {
diff --git a/libs/ui/tests/InputReader_test.cpp b/libs/ui/tests/InputReader_test.cpp
index f31a6be..09d1680 100644
--- a/libs/ui/tests/InputReader_test.cpp
+++ b/libs/ui/tests/InputReader_test.cpp
@@ -1368,7 +1368,7 @@
     SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
     addMapperAndConfigure(mapper);
 
-    ASSERT_EQ(uint32_t(0), mapper->getSources());
+    ASSERT_EQ(uint32_t(AINPUT_SOURCE_SWITCH), mapper->getSources());
 }
 
 TEST_F(SwitchInputMapperTest, GetSwitchState) {
diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index 8345cc3..7fb7ae3 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -4038,6 +4038,38 @@
     }
 }
 
+// Normalize a string for output
+String8 ResTable::normalizeForOutput( const char *input )
+{
+    String8 ret;
+    char buff[2];
+    buff[1] = '\0';
+
+    while (*input != '\0') {
+        switch (*input) {
+            // All interesting characters are in the ASCII zone, so we are making our own lives
+            // easier by scanning the string one byte at a time.
+        case '\\':
+            ret += "\\\\";
+            break;
+        case '\n':
+            ret += "\\n";
+            break;
+        case '"':
+            ret += "\\\"";
+            break;
+        default:
+            buff[0] = *input;
+            ret += buff;
+            break;
+        }
+
+        input++;
+    }
+
+    return ret;
+}
+
 void ResTable::print_value(const Package* pkg, const Res_value& value) const
 {
     if (value.dataType == Res_value::TYPE_NULL) {
@@ -4051,13 +4083,13 @@
         const char* str8 = pkg->header->values.string8At(
                 value.data, &len);
         if (str8 != NULL) {
-            printf("(string8) \"%s\"\n", str8);
+            printf("(string8) \"%s\"\n", normalizeForOutput(str8).string());
         } else {
             const char16_t* str16 = pkg->header->values.stringAt(
                     value.data, &len);
             if (str16 != NULL) {
                 printf("(string16) \"%s\"\n",
-                    String8(str16, len).string());
+                    normalizeForOutput(String8(str16, len).string()).string());
             } else {
                 printf("(string) null\n");
             }
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index 662a1fa..5c09dcc 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -480,13 +480,13 @@
     copybit_device_t* const copybit = blitengine;
     if (copybit)  {
         copybit_image_t simg;
-        simg.w = src->width;
+        simg.w = src->stride;
         simg.h = src->height;
         simg.format = src->format;
         simg.handle = const_cast<native_handle_t*>(src->handle);
 
         copybit_image_t dimg;
-        dimg.w = dst->width;
+        dimg.w = dst->stride;
         dimg.h = dst->height;
         dimg.format = dst->format;
         dimg.handle = const_cast<native_handle_t*>(dst->handle);
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
index 7e0c169..d26d13e 100644
--- a/opengl/libs/EGL/egl.cpp
+++ b/opengl/libs/EGL/egl.cpp
@@ -1843,3 +1843,8 @@
     }
     return setError(EGL_BAD_DISPLAY, NULL);
 }
+
+EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync) { return 0; }
+EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list) { return 0; }
+EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout) { return 0; }
+
diff --git a/opengl/tests/gl_jni/jni/gl_code.cpp b/opengl/tests/gl_jni/jni/gl_code.cpp
index f031c79..ef66841 100644
--- a/opengl/tests/gl_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl_jni/jni/gl_code.cpp
@@ -181,4 +181,3 @@
 {
     background = 1.0f - background;
 }
-
diff --git a/services/surfaceflinger/LayerBuffer.cpp b/services/surfaceflinger/LayerBuffer.cpp
index edc00f1..23506cf 100644
--- a/services/surfaceflinger/LayerBuffer.cpp
+++ b/services/surfaceflinger/LayerBuffer.cpp
@@ -509,7 +509,7 @@
     const ISurface::BufferHeap& buffers(mBufferHeap);
     uint32_t w = mLayer.mTransformedBounds.width();
     uint32_t h = mLayer.mTransformedBounds.height();
-    if (buffers.w * h != buffers.h * w) {
+    if (mLayer.getOrientation() & (Transform::ROT_90 | Transform::ROT_270)) {
         int t = w; w = h; h = t;
     }