diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
index fe9b049..c77bc4c 100644
--- a/include/gui/SurfaceTextureClient.h
+++ b/include/gui/SurfaceTextureClient.h
@@ -45,20 +45,20 @@
     SurfaceTextureClient(const SurfaceTextureClient& rhs);
 
     // ANativeWindow hooks
-    static int cancelBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
-    static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
+    static int lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
     static int perform(ANativeWindow* window, int operation, ...);
-    static int query(ANativeWindow* window, int what, int* value);
-    static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
+    static int query(const ANativeWindow* window, int what, int* value);
+    static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
     static int setSwapInterval(ANativeWindow* window, int interval);
 
-    int cancelBuffer(android_native_buffer_t* buffer);
-    int dequeueBuffer(android_native_buffer_t** buffer);
-    int lockBuffer(android_native_buffer_t* buffer);
+    int cancelBuffer(ANativeWindowBuffer* buffer);
+    int dequeueBuffer(ANativeWindowBuffer** buffer);
+    int lockBuffer(ANativeWindowBuffer* buffer);
     int perform(int operation, va_list args);
-    int query(int what, int* value);
-    int queueBuffer(android_native_buffer_t* buffer);
+    int query(int what, int* value) const;
+    int queueBuffer(ANativeWindowBuffer* buffer);
     int setSwapInterval(int interval);
 
     int dispatchConnect(va_list args);
diff --git a/include/private/opengles/gl_context.h b/include/private/opengles/gl_context.h
index 72416c1..6b1fa77 100644
--- a/include/private/opengles/gl_context.h
+++ b/include/private/opengles/gl_context.h
@@ -31,8 +31,6 @@
 #include <GLES/gl.h>
 #include <GLES/glext.h>
 
-struct android_native_buffer_t;
-
 namespace android {
 
 
@@ -603,13 +601,6 @@
     void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*);
 };
 
-struct copybits_context_t {
-    // A handle to the blit engine, if it exists, else NULL.
-    int32_t                 minScale;
-    int32_t                 maxScale;
-    android_native_buffer_t* drawSurfaceBuffer;
-};
-
 struct ogles_context_t {
     context_t               rasterizer;
     array_machine_t         arrays         __attribute__((aligned(32)));
@@ -634,13 +625,6 @@
     EGLSurfaceManager*      surfaceManager;
     EGLBufferObjectManager* bufferObjectManager;
 
-    // copybits is only used if LIBAGL_USE_GRALLOC_COPYBITS is
-    // defined, but it is always present because ogles_context_t is a public
-    // struct that is used by clients of libagl. We want the size and offsets
-    // to stay the same, whether or not LIBAGL_USE_GRALLOC_COPYBITS is defined.
-
-    copybits_context_t      copybits;
-
     GLenum                  error;
 
     static inline ogles_context_t* get() {
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h
index 3923e61..ab30f45 100644
--- a/include/surfaceflinger/Surface.h
+++ b/include/surfaceflinger/Surface.h
@@ -202,18 +202,18 @@
      *  ANativeWindow hooks
      */
     static int setSwapInterval(ANativeWindow* window, int interval);
-    static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
-    static int cancelBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int query(ANativeWindow* window, int what, int* value);
+    static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
+    static int cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int query(const ANativeWindow* window, int what, int* value);
     static int perform(ANativeWindow* window, int operation, ...);
 
-    int dequeueBuffer(android_native_buffer_t** buffer);
-    int lockBuffer(android_native_buffer_t* buffer);
-    int queueBuffer(android_native_buffer_t* buffer);
-    int cancelBuffer(android_native_buffer_t* buffer);
-    int query(int what, int* value);
+    int dequeueBuffer(ANativeWindowBuffer** buffer);
+    int lockBuffer(ANativeWindowBuffer* buffer);
+    int queueBuffer(ANativeWindowBuffer* buffer);
+    int cancelBuffer(ANativeWindowBuffer* buffer);
+    int query(int what, int* value) const;
     int perform(int operation, va_list args);
 
     void dispatch_setUsage(va_list args);
diff --git a/include/ui/FramebufferNativeWindow.h b/include/ui/FramebufferNativeWindow.h
index 16117ad..302d012 100644
--- a/include/ui/FramebufferNativeWindow.h
+++ b/include/ui/FramebufferNativeWindow.h
@@ -67,10 +67,10 @@
     friend class LightRefBase<FramebufferNativeWindow>;    
     ~FramebufferNativeWindow(); // this class cannot be overloaded
     static int setSwapInterval(ANativeWindow* window, int interval);
-    static int dequeueBuffer(ANativeWindow* window, android_native_buffer_t** buffer);
-    static int lockBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int queueBuffer(ANativeWindow* window, android_native_buffer_t* buffer);
-    static int query(ANativeWindow* window, int what, int* value);
+    static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
+    static int lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
+    static int query(const ANativeWindow* window, int what, int* value);
     static int perform(ANativeWindow* window, int operation, ...);
     
     framebuffer_device_t* fbDev;
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 02d6f8f..370253a 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -26,7 +26,7 @@
 #include <utils/Flattenable.h>
 #include <pixelflinger/pixelflinger.h>
 
-struct android_native_buffer_t;
+struct ANativeWindowBuffer;
 
 namespace android {
 
@@ -38,7 +38,7 @@
 
 class GraphicBuffer
     : public EGLNativeBase<
-        android_native_buffer_t, 
+        ANativeWindowBuffer,
         GraphicBuffer, 
         LightRefBase<GraphicBuffer> >, public Flattenable
 {
@@ -74,8 +74,8 @@
     GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
             uint32_t stride, native_handle_t* handle, bool keepOwnership);
 
-    // create a buffer from an existing android_native_buffer_t
-    GraphicBuffer(android_native_buffer_t* buffer, bool keepOwnership);
+    // create a buffer from an existing ANativeWindowBuffer
+    GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership);
 
     // return status
     status_t initCheck() const;
@@ -94,7 +94,7 @@
     status_t lock(GGLSurface* surface, uint32_t usage);
     status_t unlock();
 
-    android_native_buffer_t* getNativeBuffer() const;
+    ANativeWindowBuffer* getNativeBuffer() const;
     
     void setIndex(int index);
     int getIndex() const;
@@ -149,7 +149,7 @@
 
     // If we're wrapping another buffer then this reference will make sure it
     // doesn't get freed.
-    sp<android_native_buffer_t> mWrappedBuffer;
+    sp<ANativeWindowBuffer> mWrappedBuffer;
 };
 
 }; // namespace android
diff --git a/include/ui/android_native_buffer.h b/include/ui/android_native_buffer.h
index 402843e..b6e1db4 100644
--- a/include/ui/android_native_buffer.h
+++ b/include/ui/android_native_buffer.h
@@ -19,53 +19,4 @@
 
 #include <ui/egl/android_natives.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*****************************************************************************/
-
-typedef struct android_native_buffer_t
-{
-#ifdef __cplusplus
-    android_native_buffer_t() { 
-        common.magic = ANDROID_NATIVE_BUFFER_MAGIC;
-        common.version = sizeof(android_native_buffer_t);
-        memset(common.reserved, 0, sizeof(common.reserved));
-    }
-
-    // Implement the methods that sp<android_native_buffer_t> expects so that it
-    // can be used to automatically refcount android_native_buffer_t's.
-    void incStrong(const void* id) const {
-        common.incRef(const_cast<android_native_base_t*>(&common));
-    }
-    void decStrong(const void* id) const {
-        common.decRef(const_cast<android_native_base_t*>(&common));
-    }
-#endif
-
-    struct android_native_base_t common;
-
-    int width;
-    int height;
-    int stride;
-    int format;
-    int usage;
-    
-    void* reserved[2];
-
-    buffer_handle_t handle;
-
-    void* reserved_proc[8];
-} android_native_buffer_t;
-
-
-/*****************************************************************************/
-
-#ifdef __cplusplus
-}
-#endif
-
-/*****************************************************************************/
-
 #endif /* ANDROID_ANDROID_NATIVES_PRIV_H */
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
index 0a6e4fb..9ac50a5 100644
--- a/include/ui/egl/android_natives.h
+++ b/include/ui/egl/android_natives.h
@@ -21,400 +21,9 @@
 #include <string.h>
 
 #include <hardware/gralloc.h>
-
+#include <system/window.h>
+// FIXME: remove this header, it's for legacy use.  native_window is pulled from frameworks/base/native/include/android/
 #include <android/native_window.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*****************************************************************************/
-
-#define ANDROID_NATIVE_MAKE_CONSTANT(a,b,c,d) \
-    (((unsigned)(a)<<24)|((unsigned)(b)<<16)|((unsigned)(c)<<8)|(unsigned)(d))
-
-#define ANDROID_NATIVE_WINDOW_MAGIC \
-    ANDROID_NATIVE_MAKE_CONSTANT('_','w','n','d')
-
-#define ANDROID_NATIVE_BUFFER_MAGIC \
-    ANDROID_NATIVE_MAKE_CONSTANT('_','b','f','r')
-
-// ---------------------------------------------------------------------------
-
-struct android_native_buffer_t;
-
-typedef struct android_native_rect_t
-{
-    int32_t left;
-    int32_t top;
-    int32_t right;
-    int32_t bottom;
-} android_native_rect_t;
-
-// ---------------------------------------------------------------------------
-
-typedef struct android_native_base_t
-{
-    /* a magic value defined by the actual EGL native type */
-    int magic;
-
-    /* the sizeof() of the actual EGL native type */
-    int version;
-
-    void* reserved[4];
-
-    /* reference-counting interface */
-    void (*incRef)(struct android_native_base_t* base);
-    void (*decRef)(struct android_native_base_t* base);
-} android_native_base_t;
-
-// ---------------------------------------------------------------------------
-
-/* attributes queriable with query() */
-enum {
-    NATIVE_WINDOW_WIDTH     = 0,
-    NATIVE_WINDOW_HEIGHT,
-    NATIVE_WINDOW_FORMAT,
-
-    /* The minimum number of buffers that must remain un-dequeued after a buffer
-     * has been queued.  This value applies only if set_buffer_count was used to
-     * override the number of buffers and if a buffer has since been queued.
-     * Users of the set_buffer_count ANativeWindow method should query this
-     * value before calling set_buffer_count.  If it is necessary to have N
-     * buffers simultaneously dequeued as part of the steady-state operation,
-     * and this query returns M then N+M buffers should be requested via
-     * native_window_set_buffer_count.
-     *
-     * Note that this value does NOT apply until a single buffer has been
-     * queued.  In particular this means that it is possible to:
-     *
-     * 1. Query M = min undequeued buffers
-     * 2. Set the buffer count to N + M
-     * 3. Dequeue all N + M buffers
-     * 4. Cancel M buffers
-     * 5. Queue, dequeue, queue, dequeue, ad infinitum
-     */
-    NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-
-    /* Check whether queueBuffer operations on the ANativeWindow send the buffer
-     * to the window compositor.  The query sets the returned 'value' argument
-     * to 1 if the ANativeWindow DOES send queued buffers directly to the window
-     * compositor and 0 if the buffers do not go directly to the window
-     * compositor.
-     *
-     * This can be used to determine whether protected buffer content should be
-     * sent to the ANativeWindow.  Note, however, that a result of 1 does NOT
-     * indicate that queued buffers will be protected from applications or users
-     * capturing their contents.  If that behavior is desired then some other
-     * mechanism (e.g. the GRALLOC_USAGE_PROTECTED flag) should be used in
-     * conjunction with this query.
-     */
-    NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
-
-    /* Get the concrete type of a ANativeWindow.  See below for the list of
-     * possible return values.
-     *
-     * This query should not be used outside the Android framework and will
-     * likely be removed in the near future.
-     */
-    NATIVE_WINDOW_CONCRETE_TYPE,
-};
-
-/* valid operations for the (*perform)() hook */
-enum {
-    NATIVE_WINDOW_SET_USAGE  = 0,
-    NATIVE_WINDOW_CONNECT,
-    NATIVE_WINDOW_DISCONNECT,
-    NATIVE_WINDOW_SET_CROP,
-    NATIVE_WINDOW_SET_BUFFER_COUNT,
-    NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
-    NATIVE_WINDOW_SET_BUFFERS_TRANSFORM,
-    NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP,
-};
-
-/* parameter for NATIVE_WINDOW_[DIS]CONNECT */
-enum {
-    NATIVE_WINDOW_API_EGL = 1
-};
-
-/* parameter for NATIVE_WINDOW_SET_BUFFERS_TRANSFORM */
-enum {
-    /* flip source image horizontally */
-    NATIVE_WINDOW_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H ,
-    /* flip source image vertically */
-    NATIVE_WINDOW_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V,
-    /* rotate source image 90 degrees clock-wise */
-    NATIVE_WINDOW_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90,
-    /* rotate source image 180 degrees */
-    NATIVE_WINDOW_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180,
-    /* rotate source image 270 degrees clock-wise */
-    NATIVE_WINDOW_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270,
-};
-
-/* values returned by the NATIVE_WINDOW_CONCRETE_TYPE query */
-enum {
-    NATIVE_WINDOW_FRAMEBUFFER,                  // FramebufferNativeWindow
-    NATIVE_WINDOW_SURFACE,                      // Surface
-    NATIVE_WINDOW_SURFACE_TEXTURE_CLIENT,       // SurfaceTextureClient
-};
-
-/* parameter for NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP
- *
- * Special timestamp value to indicate that timestamps should be auto-generated
- * by the native window when queueBuffer is called.  This is equal to INT64_MIN,
- * defined directly to avoid problems with C99/C++ inclusion of stdint.h.
- */
-const int64_t NATIVE_WINDOW_TIMESTAMP_AUTO = (-9223372036854775807LL-1);
-
-struct ANativeWindow
-{
-#ifdef __cplusplus
-    ANativeWindow()
-        : flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0)
-    {
-        common.magic = ANDROID_NATIVE_WINDOW_MAGIC;
-        common.version = sizeof(ANativeWindow);
-        memset(common.reserved, 0, sizeof(common.reserved));
-    }
-
-    // Implement the methods that sp<ANativeWindow> expects so that it
-    // can be used to automatically refcount ANativeWindow's.
-    void incStrong(const void* id) const {
-        common.incRef(const_cast<android_native_base_t*>(&common));
-    }
-    void decStrong(const void* id) const {
-        common.decRef(const_cast<android_native_base_t*>(&common));
-    }
-#endif
-    
-    struct android_native_base_t common;
-
-    /* flags describing some attributes of this surface or its updater */
-    const uint32_t flags;
-    
-    /* min swap interval supported by this updated */
-    const int   minSwapInterval;
-
-    /* max swap interval supported by this updated */
-    const int   maxSwapInterval;
-
-    /* horizontal and vertical resolution in DPI */
-    const float xdpi;
-    const float ydpi;
-
-    /* Some storage reserved for the OEM's driver. */
-    intptr_t    oem[4];
-        
-
-    /*
-     * Set the swap interval for this surface.
-     * 
-     * Returns 0 on success or -errno on error.
-     */
-    int     (*setSwapInterval)(struct ANativeWindow* window,
-                int interval);
-    
-    /*
-     * hook called by EGL to acquire a buffer. After this call, the buffer
-     * is not locked, so its content cannot be modified.
-     * this call may block if no buffers are available.
-     * 
-     * Returns 0 on success or -errno on error.
-     */
-    int     (*dequeueBuffer)(struct ANativeWindow* window,
-                struct android_native_buffer_t** buffer);
-
-    /*
-     * hook called by EGL to lock a buffer. This MUST be called before modifying
-     * the content of a buffer. The buffer must have been acquired with 
-     * dequeueBuffer first.
-     * 
-     * Returns 0 on success or -errno on error.
-     */
-    int     (*lockBuffer)(struct ANativeWindow* window,
-                struct android_native_buffer_t* buffer);
-   /*
-    * hook called by EGL when modifications to the render buffer are done. 
-    * This unlocks and post the buffer.
-    * 
-    * Buffers MUST be queued in the same order than they were dequeued.
-    * 
-    * Returns 0 on success or -errno on error.
-    */
-    int     (*queueBuffer)(struct ANativeWindow* window,
-                struct android_native_buffer_t* buffer);
-
-    /*
-     * hook used to retrieve information about the native window.
-     * 
-     * Returns 0 on success or -errno on error.
-     */
-    int     (*query)(struct ANativeWindow* window,
-                int what, int* value);
-    
-    /*
-     * hook used to perform various operations on the surface.
-     * (*perform)() is a generic mechanism to add functionality to
-     * ANativeWindow while keeping backward binary compatibility.
-     * 
-     * This hook should not be called directly, instead use the helper functions
-     * defined below.
-     * 
-     *  (*perform)() returns -ENOENT if the 'what' parameter is not supported
-     *  by the surface's implementation.
-     *
-     * The valid operations are:
-     *     NATIVE_WINDOW_SET_USAGE
-     *     NATIVE_WINDOW_CONNECT
-     *     NATIVE_WINDOW_DISCONNECT
-     *     NATIVE_WINDOW_SET_CROP
-     *     NATIVE_WINDOW_SET_BUFFER_COUNT
-     *     NATIVE_WINDOW_SET_BUFFERS_GEOMETRY
-     *     NATIVE_WINDOW_SET_BUFFERS_TRANSFORM
-     *     NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP
-     *
-     */
-    
-    int     (*perform)(struct ANativeWindow* window,
-                int operation, ... );
-    
-    /*
-     * hook used to cancel a buffer that has been dequeued.
-     * No synchronization is performed between dequeue() and cancel(), so
-     * either external synchronization is needed, or these functions must be
-     * called from the same thread.
-     */
-    int     (*cancelBuffer)(struct ANativeWindow* window,
-                struct android_native_buffer_t* buffer);
-
-
-    void* reserved_proc[2];
-};
-
-// Backwards compatibility...  please switch to ANativeWindow.
-typedef struct ANativeWindow android_native_window_t;
-
-/*
- *  native_window_set_usage(..., usage)
- *  Sets the intended usage flags for the next buffers
- *  acquired with (*lockBuffer)() and on.
- *  By default (if this function is never called), a usage of
- *      GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE
- *  is assumed.
- *  Calling this function will usually cause following buffers to be
- *  reallocated.
- */
-
-static inline int native_window_set_usage(
-        ANativeWindow* window, int usage)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage);
-}
-
-/*
- * native_window_connect(..., NATIVE_WINDOW_API_EGL)
- * Must be called by EGL when the window is made current.
- * Returns -EINVAL if for some reason the window cannot be connected, which
- * can happen if it's connected to some other API.
- */
-static inline int native_window_connect(
-        ANativeWindow* window, int api)
-{
-    return window->perform(window, NATIVE_WINDOW_CONNECT, api);
-}
-
-/*
- * native_window_disconnect(..., NATIVE_WINDOW_API_EGL)
- * Must be called by EGL when the window is made not current.
- * An error is returned if for instance the window wasn't connected in the
- * first place.
- */
-static inline int native_window_disconnect(
-        ANativeWindow* window, int api)
-{
-    return window->perform(window, NATIVE_WINDOW_DISCONNECT, api);
-}
-
-/*
- * native_window_set_crop(..., crop)
- * Sets which region of the next queued buffers needs to be considered.
- * A buffer's crop region is scaled to match the surface's size.
- *
- * The specified crop region applies to all buffers queued after it is called.
- *
- * if 'crop' is NULL, subsequently queued buffers won't be cropped.
- *
- * An error is returned if for instance the crop region is invalid,
- * out of the buffer's bound or if the window is invalid.
- */
-static inline int native_window_set_crop(
-        ANativeWindow* window,
-        android_native_rect_t const * crop)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_CROP, crop);
-}
-
-/*
- * native_window_set_buffer_count(..., count)
- * Sets the number of buffers associated with this native window.
- */
-static inline int native_window_set_buffer_count(
-        ANativeWindow* window,
-        size_t bufferCount)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_BUFFER_COUNT, bufferCount);
-}
-
-/*
- * native_window_set_buffers_geometry(..., int w, int h, int format)
- * All buffers dequeued after this call will have the geometry specified.
- * In particular, all buffers will have a fixed-size, independent form the
- * native-window size. They will be appropriately scaled to the window-size
- * upon composition.
- *
- * If all parameters are 0, the normal behavior is restored. That is,
- * dequeued buffers following this call will be sized to the window's size.
- *
- * Calling this function will reset the window crop to a NULL value, which
- * disables cropping of the buffers.
- */
-static inline int native_window_set_buffers_geometry(
-        ANativeWindow* window,
-        int w, int h, int format)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
-            w, h, format);
-}
-
-/*
- * native_window_set_buffers_transform(..., int transform)
- * All buffers queued after this call will be displayed transformed according
- * to the transform parameter specified.
- */
-static inline int native_window_set_buffers_transform(
-        ANativeWindow* window,
-        int transform)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TRANSFORM,
-            transform);
-}
-
-/*
- * native_window_set_buffers_timestamp(..., int64_t timestamp)
- * All buffers queued after this call will be associated with the timestamp
- * parameter specified. If the timestamp is set to NATIVE_WINDOW_TIMESTAMP_AUTO
- * (the default), timestamps will be generated automatically when queueBuffer is
- * called. The timestamp is measured in nanoseconds, and must be monotonically
- * increasing.
- */
-static inline int native_window_set_buffers_timestamp(
-        ANativeWindow* window,
-        int64_t timestamp)
-{
-    return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP,
-            timestamp);
-}
-
 // ---------------------------------------------------------------------------
 
 /* FIXME: this is legacy for pixmaps */
@@ -437,13 +46,6 @@
 /*****************************************************************************/
 
 #ifdef __cplusplus
-}
-#endif
-
-
-/*****************************************************************************/
-
-#ifdef __cplusplus
 
 #include <utils/RefBase.h>
 
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 44d9b4b..0c5767b 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -513,32 +513,32 @@
 }
 
 int Surface::dequeueBuffer(ANativeWindow* window, 
-        android_native_buffer_t** buffer) {
+        ANativeWindowBuffer** buffer) {
     Surface* self = getSelf(window);
     return self->dequeueBuffer(buffer);
 }
 
 int Surface::cancelBuffer(ANativeWindow* window,
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     Surface* self = getSelf(window);
     return self->cancelBuffer(buffer);
 }
 
 int Surface::lockBuffer(ANativeWindow* window, 
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     Surface* self = getSelf(window);
     return self->lockBuffer(buffer);
 }
 
 int Surface::queueBuffer(ANativeWindow* window, 
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     Surface* self = getSelf(window);
     return self->queueBuffer(buffer);
 }
 
-int Surface::query(ANativeWindow* window, 
+int Surface::query(const ANativeWindow* window,
         int what, int* value) {
-    Surface* self = getSelf(window);
+    const Surface* self = getSelf(window);
     return self->query(what, value);
 }
 
@@ -570,7 +570,7 @@
     return newNeewBuffer;
 }
 
-int Surface::dequeueBuffer(android_native_buffer_t** buffer)
+int Surface::dequeueBuffer(ANativeWindowBuffer** buffer)
 {
     status_t err = validate();
     if (err != NO_ERROR)
@@ -624,7 +624,7 @@
     return err;
 }
 
-int Surface::cancelBuffer(android_native_buffer_t* buffer)
+int Surface::cancelBuffer(ANativeWindowBuffer* buffer)
 {
     status_t err = validate(true);
     switch (err) {
@@ -651,7 +651,7 @@
 }
 
 
-int Surface::lockBuffer(android_native_buffer_t* buffer)
+int Surface::lockBuffer(ANativeWindowBuffer* buffer)
 {
     status_t err = validate();
     if (err != NO_ERROR)
@@ -670,7 +670,7 @@
     return err;
 }
 
-int Surface::queueBuffer(android_native_buffer_t* buffer)
+int Surface::queueBuffer(ANativeWindowBuffer* buffer)
 {
     status_t err = validate();
     if (err != NO_ERROR)
@@ -697,7 +697,7 @@
     return err;
 }
 
-int Surface::query(int what, int* value)
+int Surface::query(int what, int* value) const
 {
     switch (what) {
     case NATIVE_WINDOW_WIDTH:
@@ -969,7 +969,7 @@
     // we're intending to do software rendering from this point
     setUsage(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
 
-    android_native_buffer_t* out;
+    ANativeWindowBuffer* out;
     status_t err = dequeueBuffer(&out);
     LOGE_IF(err, "dequeueBuffer failed (%s)", strerror(-err));
     if (err == NO_ERROR) {
@@ -1063,7 +1063,7 @@
     if (idx < 0) {
         // The buffer doesn't have an index set.  See if the handle the same as
         // one of the buffers for which we do know the index.  This can happen
-        // e.g. if GraphicBuffer is used to wrap an android_native_buffer_t that
+        // e.g. if GraphicBuffer is used to wrap an ANativeWindowBuffer that
         // was dequeued from an ANativeWindow.
         for (size_t i = 0; i < mBuffers.size(); i++) {
             if (mBuffers[i] != 0 && buffer->handle == mBuffers[i]->handle) {
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index f4b2416..ec6da43 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -53,31 +53,32 @@
 }
 
 int SurfaceTextureClient::dequeueBuffer(ANativeWindow* window,
-        android_native_buffer_t** buffer) {
+        ANativeWindowBuffer** buffer) {
     SurfaceTextureClient* c = getSelf(window);
     return c->dequeueBuffer(buffer);
 }
 
 int SurfaceTextureClient::cancelBuffer(ANativeWindow* window,
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     SurfaceTextureClient* c = getSelf(window);
     return c->cancelBuffer(buffer);
 }
 
 int SurfaceTextureClient::lockBuffer(ANativeWindow* window,
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     SurfaceTextureClient* c = getSelf(window);
     return c->lockBuffer(buffer);
 }
 
 int SurfaceTextureClient::queueBuffer(ANativeWindow* window,
-        android_native_buffer_t* buffer) {
+        ANativeWindowBuffer* buffer) {
     SurfaceTextureClient* c = getSelf(window);
     return c->queueBuffer(buffer);
 }
 
-int SurfaceTextureClient::query(ANativeWindow* window, int what, int* value) {
-    SurfaceTextureClient* c = getSelf(window);
+int SurfaceTextureClient::query(const ANativeWindow* window,
+                                int what, int* value) {
+    const SurfaceTextureClient* c = getSelf(window);
     return c->query(what, value);
 }
 
@@ -160,7 +161,7 @@
     return BAD_VALUE;
 }
 
-int SurfaceTextureClient::query(int what, int* value) {
+int SurfaceTextureClient::query(int what, int* value) const {
     LOGV("SurfaceTextureClient::query");
     Mutex::Autolock lock(mMutex);
     switch (what) {
diff --git a/libs/gui/tests/SurfaceTextureClient_test.cpp b/libs/gui/tests/SurfaceTextureClient_test.cpp
index db781de..753e933 100644
--- a/libs/gui/tests/SurfaceTextureClient_test.cpp
+++ b/libs/gui/tests/SurfaceTextureClient_test.cpp
@@ -113,7 +113,7 @@
 
 TEST_F(SurfaceTextureClientTest, DefaultGeometryValues) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(1, buf->width);
     EXPECT_EQ(1, buf->height);
@@ -123,7 +123,7 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometryCanBeSet) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 16, 8, PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(16, buf->width);
@@ -134,7 +134,7 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometryDefaultSizeSetFormat) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 0, 0, PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(1, buf->width);
@@ -145,7 +145,7 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySetSizeDefaultFormat) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 16, 8, 0));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(16, buf->width);
@@ -156,7 +156,7 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeUnset) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 16, 8, 0));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(16, buf->width);
@@ -173,7 +173,7 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeChangedWithoutFormat) {
     sp<ANativeWindow> anw(mSTC);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 0, 0, PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(1, buf->width);
@@ -191,7 +191,7 @@
 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSize) {
     sp<ANativeWindow> anw(mSTC);
     sp<SurfaceTexture> st(mST);
-    android_native_buffer_t* buf;
+    ANativeWindowBuffer* buf;
     EXPECT_EQ(OK, st->setDefaultBufferSize(16, 8));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf));
     EXPECT_EQ(16, buf->width);
@@ -203,7 +203,7 @@
 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSizeAfterDequeue) {
     sp<ANativeWindow> anw(mSTC);
     sp<SurfaceTexture> st(mST);
-    android_native_buffer_t* buf[2];
+    ANativeWindowBuffer* buf[2];
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf[0]));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf[1]));
     EXPECT_NE(buf[0], buf[1]);
@@ -224,7 +224,7 @@
 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSizeVsGeometry) {
     sp<ANativeWindow> anw(mSTC);
     sp<SurfaceTexture> st(mST);
-    android_native_buffer_t* buf[2];
+    ANativeWindowBuffer* buf[2];
     EXPECT_EQ(OK, st->setDefaultBufferSize(16, 8));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf[0]));
     ASSERT_EQ(OK, anw->dequeueBuffer(anw.get(), &buf[1]));
diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp
index 6c71343..8747ba5 100644
--- a/libs/gui/tests/SurfaceTexture_test.cpp
+++ b/libs/gui/tests/SurfaceTexture_test.cpp
@@ -476,7 +476,7 @@
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
-    android_native_buffer_t* anb;
+    ANativeWindowBuffer* anb;
     ASSERT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
     ASSERT_TRUE(anb != NULL);
 
@@ -524,7 +524,7 @@
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
-    android_native_buffer_t* anb;
+    ANativeWindowBuffer* anb;
     ASSERT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
     ASSERT_TRUE(anb != NULL);
 
@@ -583,7 +583,7 @@
 
         ASSERT_EQ(NO_ERROR, native_window_set_crop(mANW.get(), &crop));
 
-        android_native_buffer_t* anb;
+        ANativeWindowBuffer* anb;
         ASSERT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
         ASSERT_TRUE(anb != NULL);
 
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 440a48b..35c8640 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -93,7 +93,7 @@
     ASSERT_EQ(NO_ERROR, native_window_set_usage(anw.get(),
             GRALLOC_USAGE_PROTECTED));
     ASSERT_EQ(NO_ERROR, native_window_set_buffer_count(anw.get(), 3));
-    android_native_buffer_t* buf = 0;
+    ANativeWindowBuffer* buf = 0;
     for (int i = 0; i < 4; i++) {
         // Loop to make sure SurfaceFlinger has retired a protected buffer.
         ASSERT_EQ(NO_ERROR, anw->dequeueBuffer(anw.get(), &buf));
diff --git a/libs/ui/FramebufferNativeWindow.cpp b/libs/ui/FramebufferNativeWindow.cpp
index dc223f9..4393504 100644
--- a/libs/ui/FramebufferNativeWindow.cpp
+++ b/libs/ui/FramebufferNativeWindow.cpp
@@ -47,16 +47,16 @@
 
 class NativeBuffer 
     : public EGLNativeBase<
-        android_native_buffer_t, 
+        ANativeWindowBuffer, 
         NativeBuffer, 
         LightRefBase<NativeBuffer> >
 {
 public:
     NativeBuffer(int w, int h, int f, int u) : BASE() {
-        android_native_buffer_t::width  = w;
-        android_native_buffer_t::height = h;
-        android_native_buffer_t::format = f;
-        android_native_buffer_t::usage  = u;
+        ANativeWindowBuffer::width  = w;
+        ANativeWindowBuffer::height = h;
+        ANativeWindowBuffer::format = f;
+        ANativeWindowBuffer::usage  = u;
     }
 private:
     friend class LightRefBase<NativeBuffer>;    
@@ -201,7 +201,7 @@
 }
 
 int FramebufferNativeWindow::dequeueBuffer(ANativeWindow* window, 
-        android_native_buffer_t** buffer)
+        ANativeWindowBuffer** buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
     Mutex::Autolock _l(self->mutex);
@@ -229,7 +229,7 @@
 }
 
 int FramebufferNativeWindow::lockBuffer(ANativeWindow* window, 
-        android_native_buffer_t* buffer)
+        ANativeWindowBuffer* buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
     Mutex::Autolock _l(self->mutex);
@@ -249,7 +249,7 @@
 }
 
 int FramebufferNativeWindow::queueBuffer(ANativeWindow* window, 
-        android_native_buffer_t* buffer)
+        ANativeWindowBuffer* buffer)
 {
     FramebufferNativeWindow* self = getSelf(window);
     Mutex::Autolock _l(self->mutex);
@@ -270,10 +270,10 @@
     return res;
 }
 
-int FramebufferNativeWindow::query(ANativeWindow* window,
+int FramebufferNativeWindow::query(const ANativeWindow* window,
         int what, int* value) 
 {
-    FramebufferNativeWindow* self = getSelf(window);
+    const FramebufferNativeWindow* self = getSelf(window);
     Mutex::Autolock _l(self->mutex);
     framebuffer_device_t* fb = self->fbDev;
     switch (what) {
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 97312a6..54a3ffa 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -33,7 +33,7 @@
 namespace android {
 
 // ===========================================================================
-// Buffer and implementation of android_native_buffer_t
+// Buffer and implementation of ANativeWindowBuffer
 // ===========================================================================
 
 GraphicBuffer::GraphicBuffer()
@@ -77,7 +77,7 @@
     handle = inHandle;
 }
 
-GraphicBuffer::GraphicBuffer(android_native_buffer_t* buffer, bool keepOwnership)
+GraphicBuffer::GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership)
     : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
       mBufferMapper(GraphicBufferMapper::get()),
       mInitCheck(NO_ERROR), mIndex(-1), mWrappedBuffer(buffer)
@@ -119,9 +119,9 @@
     GraphicBufferAllocator::dumpToSystemLog();
 }
 
-android_native_buffer_t* GraphicBuffer::getNativeBuffer() const
+ANativeWindowBuffer* GraphicBuffer::getNativeBuffer() const
 {
-    return static_cast<android_native_buffer_t*>(
+    return static_cast<ANativeWindowBuffer*>(
             const_cast<GraphicBuffer*>(this));
 }
 
diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index 1ffcd56..1123e16 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -225,7 +225,7 @@
 
 #ifndef EGL_ANDROID_image_native_buffer
 #define EGL_ANDROID_image_native_buffer 1
-struct android_native_buffer_t;
+struct ANativeWindowBuffer;
 #define EGL_NATIVE_BUFFER_ANDROID       0x3140  /* eglCreateImageKHR target */
 #endif
 
diff --git a/opengl/libagl/TextureObjectManager.cpp b/opengl/libagl/TextureObjectManager.cpp
index bbb82fc..022de09 100644
--- a/opengl/libagl/TextureObjectManager.cpp
+++ b/opengl/libagl/TextureObjectManager.cpp
@@ -145,7 +145,7 @@
     return NO_ERROR;
 }
 
-status_t EGLTextureObject::setImage(android_native_buffer_t* native_buffer)
+status_t EGLTextureObject::setImage(ANativeWindowBuffer* native_buffer)
 {
     GGLSurface sur;
     sur.version = sizeof(GGLSurface);
diff --git a/opengl/libagl/TextureObjectManager.h b/opengl/libagl/TextureObjectManager.h
index 70e3bef..de9e03e 100644
--- a/opengl/libagl/TextureObjectManager.h
+++ b/opengl/libagl/TextureObjectManager.h
@@ -48,7 +48,7 @@
                    ~EGLTextureObject();
 
     status_t    setSurface(GGLSurface const* s);
-    status_t    setImage(android_native_buffer_t* buffer);
+    status_t    setImage(ANativeWindowBuffer* buffer);
     void        setImageBits(void* vaddr) { surface.data = (GGLubyte*)vaddr; }
 
     status_t            reallocate(GLint level,
@@ -80,7 +80,7 @@
     GLint               crop_rect[4];
     GLint               generate_mipmap;
     GLint               direct;
-    android_native_buffer_t* buffer;
+    ANativeWindowBuffer* buffer;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index 40fa148..0d03361 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -230,11 +230,11 @@
     virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
     
 private:
-    status_t lock(android_native_buffer_t* buf, int usage, void** vaddr);
-    status_t unlock(android_native_buffer_t* buf);
+    status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr);
+    status_t unlock(ANativeWindowBuffer* buf);
     ANativeWindow*   nativeWindow;
-    android_native_buffer_t*   buffer;
-    android_native_buffer_t*   previousBuffer;
+    ANativeWindowBuffer*   buffer;
+    ANativeWindowBuffer*   previousBuffer;
     gralloc_module_t const*    module;
     int width;
     int height;
@@ -322,8 +322,8 @@
     };
     
     void copyBlt(
-            android_native_buffer_t* dst, void* dst_vaddr,
-            android_native_buffer_t* src, void const* src_vaddr,
+            ANativeWindowBuffer* dst, void* dst_vaddr,
+            ANativeWindowBuffer* src, void const* src_vaddr,
             const Region& clip);
 
     Rect dirtyRegion;
@@ -415,7 +415,7 @@
 }
 
 status_t egl_window_surface_v2_t::lock(
-        android_native_buffer_t* buf, int usage, void** vaddr)
+        ANativeWindowBuffer* buf, int usage, void** vaddr)
 {
     int err;
 
@@ -425,7 +425,7 @@
     return err;
 }
 
-status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf)
+status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf)
 {
     if (!buf) return BAD_VALUE;
     int err = NO_ERROR;
@@ -436,11 +436,10 @@
 }
 
 void egl_window_surface_v2_t::copyBlt(
-        android_native_buffer_t* dst, void* dst_vaddr,
-        android_native_buffer_t* src, void const* src_vaddr,
+        ANativeWindowBuffer* dst, void* dst_vaddr,
+        ANativeWindowBuffer* src, void const* src_vaddr,
         const Region& clip)
 {
-    // FIXME: use copybit if possible
     // NOTE: dst and src must be the same format
     
     Region::const_iterator cur = clip.begin();
@@ -2004,12 +2003,12 @@
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)buffer;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer;
 
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
 
-    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer))
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
 
     switch (native_buffer->format) {
@@ -2035,12 +2034,12 @@
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)img;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img;
 
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
 
-    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer))
         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
 
     native_buffer->common.decRef(&native_buffer->common);
diff --git a/opengl/libagl/texture.cpp b/opengl/libagl/texture.cpp
index eb96895..8eb17c4 100644
--- a/opengl/libagl/texture.cpp
+++ b/opengl/libagl/texture.cpp
@@ -126,7 +126,7 @@
     for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
         if (c->rasterizer.state.texture[i].enable) {
             texture_unit_t& u(c->textures.tmu[i]);
-            android_native_buffer_t* native_buffer = u.texture->buffer;
+            ANativeWindowBuffer* native_buffer = u.texture->buffer;
             if (native_buffer) {
                 c->rasterizer.procs.activeTexture(c, i);
                 hw_module_t const* pModule;
@@ -154,7 +154,7 @@
     for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
         if (c->rasterizer.state.texture[i].enable) {
             texture_unit_t& u(c->textures.tmu[i]);
-            android_native_buffer_t* native_buffer = u.texture->buffer;
+            ANativeWindowBuffer* native_buffer = u.texture->buffer;
             if (native_buffer) {
                 c->rasterizer.procs.activeTexture(c, i);
                 hw_module_t const* pModule;
@@ -1615,12 +1615,12 @@
         return;
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)image;
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
@@ -1643,12 +1643,12 @@
         return;
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)image;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)image;
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
-    if (native_buffer->common.version != sizeof(android_native_buffer_t)) {
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) {
         ogles_error(c, GL_INVALID_VALUE);
         return;
     }
diff --git a/opengl/libagl2/src/egl.cpp b/opengl/libagl2/src/egl.cpp
index ba771c3..0d02ce6 100644
--- a/opengl/libagl2/src/egl.cpp
+++ b/opengl/libagl2/src/egl.cpp
@@ -211,11 +211,11 @@
     virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
 
 private:
-    status_t lock(android_native_buffer_t* buf, int usage, void** vaddr);
-    status_t unlock(android_native_buffer_t* buf);
+    status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr);
+    status_t unlock(ANativeWindowBuffer* buf);
     ANativeWindow*   nativeWindow;
-    android_native_buffer_t*   buffer;
-    android_native_buffer_t*   previousBuffer;
+    ANativeWindowBuffer*   buffer;
+    ANativeWindowBuffer*   previousBuffer;
     gralloc_module_t const*    module;
     int width;
     int height;
@@ -307,8 +307,8 @@
     };
 
     void copyBlt(
-            android_native_buffer_t* dst, void* dst_vaddr,
-            android_native_buffer_t* src, void const* src_vaddr,
+            ANativeWindowBuffer* dst, void* dst_vaddr,
+            ANativeWindowBuffer* src, void const* src_vaddr,
             const Region& clip);
 
     Rect dirtyRegion;
@@ -407,7 +407,7 @@
 }
 
 status_t egl_window_surface_v2_t::lock(
-        android_native_buffer_t* buf, int usage, void** vaddr)
+        ANativeWindowBuffer* buf, int usage, void** vaddr)
 {
     int err;
 
@@ -417,7 +417,7 @@
     return err;
 }
 
-status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf)
+status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf)
 {
     if (!buf) return BAD_VALUE;
     int err = NO_ERROR;
@@ -428,11 +428,10 @@
 }
 
 void egl_window_surface_v2_t::copyBlt(
-        android_native_buffer_t* dst, void* dst_vaddr,
-        android_native_buffer_t* src, void const* src_vaddr,
+        ANativeWindowBuffer* dst, void* dst_vaddr,
+        ANativeWindowBuffer* src, void const* src_vaddr,
         const Region& clip)
 {
-    // FIXME: use copybit if possible
     // NOTE: dst and src must be the same format
 
     Region::const_iterator cur = clip.begin();
@@ -2106,12 +2105,12 @@
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)buffer;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer;
 
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
 
-    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer))
         return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
 
     switch (native_buffer->format) {
@@ -2137,12 +2136,12 @@
         return setError(EGL_BAD_DISPLAY, EGL_FALSE);
     }
 
-    android_native_buffer_t* native_buffer = (android_native_buffer_t*)img;
+    ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img;
 
     if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
 
-    if (native_buffer->common.version != sizeof(android_native_buffer_t))
+    if (native_buffer->common.version != sizeof(ANativeWindowBuffer))
         return setError(EGL_BAD_PARAMETER, EGL_FALSE);
 
     native_buffer->common.decRef(&native_buffer->common);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 7506f29..e8f0328 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -395,7 +395,7 @@
     if (LIKELY(mTransactionCount == 0)) {
         // if we're in a global transaction, don't do anything.
         const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
-        uint32_t transactionFlags = getTransactionFlags(mask);
+        uint32_t transactionFlags = peekTransactionFlags(mask);
         if (LIKELY(transactionFlags)) {
             handleTransaction(transactionFlags);
         }
@@ -490,7 +490,17 @@
         Mutex::Autolock _l(mStateLock);
         const nsecs_t now = systemTime();
         mDebugInTransaction = now;
+
+        // Here we're guaranteed that some transaction flags are set
+        // so we can call handleTransactionLocked() unconditionally.
+        // We call getTransactionFlags(), which will also clear the flags,
+        // with mStateLock held to guarantee that mCurrentState won't change
+        // until the transaction is commited.
+
+        const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
+        transactionFlags = getTransactionFlags(mask);
         handleTransactionLocked(transactionFlags, ditchedLayers);
+
         mLastTransactionTime = systemTime() - now;
         mDebugInTransaction = 0;
         invalidateHwcGeometry();
@@ -1094,15 +1104,15 @@
 ssize_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
         const sp<LayerBaseClient>& lbc)
 {
-    Mutex::Autolock _l(mStateLock);
-
     // attach this layer to the client
-    ssize_t name = client->attachLayer(lbc);
+    size_t name = client->attachLayer(lbc);
+
+    Mutex::Autolock _l(mStateLock);
 
     // add this layer to the current state list
     addLayer_l(lbc);
 
-    return name;
+    return ssize_t(name);
 }
 
 status_t SurfaceFlinger::removeLayer(const sp<LayerBase>& layer)
@@ -1153,6 +1163,11 @@
     return NO_ERROR;
 }
 
+uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t flags)
+{
+    return android_atomic_release_load(&mTransactionFlags);
+}
+
 uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags)
 {
     return android_atomic_and(~flags, &mTransactionFlags) & flags;
@@ -2381,15 +2396,17 @@
     return NO_ERROR;
 }
 
-ssize_t Client::attachLayer(const sp<LayerBaseClient>& layer)
+size_t Client::attachLayer(const sp<LayerBaseClient>& layer)
 {
-    int32_t name = android_atomic_inc(&mNameGenerator);
+    Mutex::Autolock _l(mLock);
+    size_t name = mNameGenerator++;
     mLayers.add(name, layer);
     return name;
 }
 
 void Client::detachLayer(const LayerBaseClient* layer)
 {
+    Mutex::Autolock _l(mLock);
     // we do a linear search here, because this doesn't happen often
     const size_t count = mLayers.size();
     for (size_t i=0 ; i<count ; i++) {
@@ -2399,9 +2416,11 @@
         }
     }
 }
-sp<LayerBaseClient> Client::getLayerUser(int32_t i) const {
+sp<LayerBaseClient> Client::getLayerUser(int32_t i) const
+{
+    Mutex::Autolock _l(mLock);
     sp<LayerBaseClient> lbc;
-    const wp<LayerBaseClient>& layer(mLayers.valueFor(i));
+    wp<LayerBaseClient> layer(mLayers.valueFor(i));
     if (layer != 0) {
         lbc = layer.promote();
         LOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i));
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 1b36d1c..1e16943 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -65,7 +65,7 @@
     status_t initCheck() const;
 
     // protected by SurfaceFlinger::mStateLock
-    ssize_t attachLayer(const sp<LayerBaseClient>& layer);
+    size_t attachLayer(const sp<LayerBaseClient>& layer);
     void detachLayer(const LayerBaseClient* layer);
     sp<LayerBaseClient> getLayerUser(int32_t i) const;
 
@@ -81,9 +81,15 @@
     virtual status_t destroySurface(SurfaceID surfaceId);
     virtual status_t setState(int32_t count, const layer_state_t* states);
 
-    DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
+    // constant
     sp<SurfaceFlinger> mFlinger;
-    int32_t mNameGenerator;
+
+    // protected by mLock
+    DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
+    size_t mNameGenerator;
+
+    // thread-safe
+    mutable Mutex mLock;
 };
 
 class UserClient : public BnSurfaceComposerClient
@@ -319,6 +325,7 @@
             status_t    purgatorizeLayer_l(const sp<LayerBase>& layer);
 
             uint32_t    getTransactionFlags(uint32_t flags);
+            uint32_t    peekTransactionFlags(uint32_t flags);
             uint32_t    setTransactionFlags(uint32_t flags);
             void        commitTransaction();
 
diff --git a/services/surfaceflinger/TextureManager.cpp b/services/surfaceflinger/TextureManager.cpp
index 9e24f90d..bb63c37 100644
--- a/services/surfaceflinger/TextureManager.cpp
+++ b/services/surfaceflinger/TextureManager.cpp
@@ -144,7 +144,7 @@
     }
 
     // construct an EGL_NATIVE_BUFFER_ANDROID
-    android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
+    ANativeWindowBuffer* clientBuf = buffer->getNativeBuffer();
 
     // create the new EGLImageKHR
     const EGLint attrs[] = {
diff --git a/services/surfaceflinger/tests/surface/surface.cpp b/services/surfaceflinger/tests/surface/surface.cpp
index 67ecf7e..5265f91 100644
--- a/services/surfaceflinger/tests/surface/surface.cpp
+++ b/services/surfaceflinger/tests/surface/surface.cpp
@@ -53,7 +53,7 @@
     printf("window=%p\n", window);
 
     int err = native_window_set_buffer_count(window, 8);
-    android_native_buffer_t* buffer;
+    ANativeWindowBuffer* buffer;
 
     for (int i=0 ; i<8 ; i++) {
         window->dequeueBuffer(window, &buffer);