diff --git a/cmds/bugreport/bugreport.c b/cmds/bugreport/bugreport.c
index 4a0b511..11e9057 100644
--- a/cmds/bugreport/bugreport.c
+++ b/cmds/bugreport/bugreport.c
@@ -29,7 +29,7 @@
     property_set("ctl.start", "dumpstate");
 
     /* socket will not be available until service starts */
-    for (i = 0; i < 10; i++) {
+    for (i = 0; i < 20; i++) {
         s = socket_local_client("dumpstate",
                              ANDROID_SOCKET_NAMESPACE_RESERVED,
                              SOCK_STREAM);
diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
index 220af47..7fb5b12 100644
--- a/cmds/dumpstate/dumpstate.c
+++ b/cmds/dumpstate/dumpstate.c
@@ -174,9 +174,7 @@
     dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
     dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
 
-    run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
-            "/data/data/com.android.providers.settings/databases/settings.db",
-            "pragma user_version; select * from system; select * from secure; select * from global;", NULL);
+    for_each_userid(do_dump_settings, NULL);
 
     /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
     run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index 67bbd7e..d820495 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -26,6 +26,7 @@
 
 typedef void (for_each_pid_func)(int, const char *);
 typedef void (for_each_tid_func)(int, int, const char *);
+typedef void (for_each_userid_func)(int);
 
 /* prints the contents of a file */
 int dump_file(const char *title, const char* path);
@@ -51,6 +52,9 @@
 /* for each thread in the system, run the specified function */
 void for_each_tid(for_each_tid_func func, const char *header);
 
+/* for each user id in the system, run the specified function */
+void for_each_userid(for_each_userid_func func, const char *header);
+
 /* Displays a blocked processes in-kernel wait channel */
 void show_wchan(int pid, int tid, const char *name);
 
@@ -60,6 +64,9 @@
 /* Gets the dmesg output for the kernel */
 void do_dmesg();
 
+/* Dumps settings for a given user id */
+void do_dump_settings(int userid);
+
 /* Play a sound via Stagefright */
 void play_sound(const char* path);
 
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c
index fe716ac..7f84f98 100644
--- a/cmds/dumpstate/utils.c
+++ b/cmds/dumpstate/utils.c
@@ -51,6 +51,29 @@
         NULL,
 };
 
+void for_each_userid(void (*func)(int), const char *header) {
+    DIR *d;
+    struct dirent *de;
+
+    if (header) printf("\n------ %s ------\n", header);
+    func(0);
+
+    if (!(d = opendir("/data/system/users"))) {
+        printf("Failed to open /data/system/users (%s)\n", strerror(errno));
+        return;
+    }
+
+    while ((de = readdir(d))) {
+        int userid;
+        if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) {
+            continue;
+        }
+        func(userid);
+    }
+
+    closedir(d);
+}
+
 static void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) {
     DIR *d;
     struct dirent *de;
@@ -175,6 +198,22 @@
     return;
 }
 
+void do_dump_settings(int userid) {
+    char title[255];
+    char dbpath[255];
+    char sql[255];
+    sprintf(title, "SYSTEM SETTINGS (user %d)", userid);
+    if (userid == 0) {
+        strcpy(dbpath, "/data/data/com.android.providers.settings/databases/settings.db");
+        strcpy(sql, "pragma user_version; select * from system; select * from secure; select * from global;");
+    } else {
+        sprintf(dbpath, "/data/system/users/%d/settings.db", userid);
+        strcpy(sql, "pragma user_version; select * from system; select * from secure;");
+    }
+    run_command(title, 20, SU_PATH, "root", "sqlite3", dbpath, sql, NULL);
+    return;
+}
+
 void do_dmesg() {
     printf("------ KERNEL LOG (dmesg) ------\n");
     /* Get size of kernel buffer */
diff --git a/cmds/flatland/Main.cpp b/cmds/flatland/Main.cpp
index d6ac3d2..e80dbb1 100644
--- a/cmds/flatland/Main.cpp
+++ b/cmds/flatland/Main.cpp
@@ -73,7 +73,7 @@
         },
     },
 
-    { "3:2 Single Static Window",
+    { "4:3 Single Static Window",
         2048, 1536, { 1536 },
         {
             {   // Window
@@ -117,7 +117,7 @@
         },
     },
 
-    { "3:2 App -> Home Transition",
+    { "4:3 App -> Home Transition",
         2048, 1536, { 1536 },
         {
             {   // Wallpaper
@@ -173,7 +173,7 @@
         },
     },
 
-    { "3:2 SurfaceView -> Home Transition",
+    { "4:3 SurfaceView -> Home Transition",
         2048, 1536, { 1536 },
         {
             {   // Wallpaper
diff --git a/cmds/servicemanager/service_manager.c b/cmds/servicemanager/service_manager.c
index 79ce6ed..cacbea0 100644
--- a/cmds/servicemanager/service_manager.c
+++ b/cmds/servicemanager/service_manager.c
@@ -32,6 +32,8 @@
     { AID_MEDIA, "media.player" },
     { AID_MEDIA, "media.camera" },
     { AID_MEDIA, "media.audio_policy" },
+    { AID_AUDIO, "audio" },
+    { AID_INPUT, "input" },
     { AID_DRM,   "drm.drmManager" },
     { AID_NFC,   "nfc" },
     { AID_BLUETOOTH, "bluetooth" },
diff --git a/include/batteryservice/BatteryService.h b/include/batteryservice/BatteryService.h
index 829061a..7ae1342 100644
--- a/include/batteryservice/BatteryService.h
+++ b/include/batteryservice/BatteryService.h
@@ -43,6 +43,13 @@
     BATTERY_HEALTH_COLD = 7, // equals BatteryManager.BATTERY_HEALTH_COLD constant
 };
 
+// must be kept in sync with definitions in BatteryProperty.java
+enum {
+    BATTERY_PROP_CHARGE_COUNTER = 1, // equals BatteryProperty.BATTERY_PROP_CHARGE_COUNTER constant
+    BATTERY_PROP_CURRENT_NOW = 2, // equals BatteryProperty.BATTERY_PROP_CURRENT_NOW constant
+    BATTERY_PROP_CURRENT_AVG = 3, // equals BatteryProperty.BATTERY_PROP_CURRENT_AVG constant
+};
+
 struct BatteryProperties {
     bool chargerAcOnline;
     bool chargerUsbOnline;
@@ -52,8 +59,6 @@
     bool batteryPresent;
     int batteryLevel;
     int batteryVoltage;
-    int batteryCurrentNow;
-    int batteryChargeCounter;
     int batteryTemperature;
     String8 batteryTechnology;
 
@@ -61,6 +66,13 @@
     status_t readFromParcel(Parcel* parcel);
 };
 
+struct BatteryProperty {
+    int valueInt;
+
+    status_t writeToParcel(Parcel* parcel) const;
+    status_t readFromParcel(Parcel* parcel);
+};
+
 }; // namespace android
 
 #endif // ANDROID_BATTERYSERVICE_H
diff --git a/include/batteryservice/IBatteryPropertiesRegistrar.h b/include/batteryservice/IBatteryPropertiesRegistrar.h
index 8d28b1d..eca075d 100644
--- a/include/batteryservice/IBatteryPropertiesRegistrar.h
+++ b/include/batteryservice/IBatteryPropertiesRegistrar.h
@@ -26,6 +26,7 @@
 enum {
     REGISTER_LISTENER = IBinder::FIRST_CALL_TRANSACTION,
     UNREGISTER_LISTENER,
+    GET_PROPERTY,
 };
 
 class IBatteryPropertiesRegistrar : public IInterface {
@@ -34,6 +35,7 @@
 
     virtual void registerListener(const sp<IBatteryPropertiesListener>& listener) = 0;
     virtual void unregisterListener(const sp<IBatteryPropertiesListener>& listener) = 0;
+    virtual status_t getProperty(int id, struct BatteryProperty *val) = 0;
 };
 
 class BnBatteryPropertiesRegistrar : public BnInterface<IBatteryPropertiesRegistrar> {
diff --git a/include/binder/IBatteryStats.h b/include/binder/IBatteryStats.h
new file mode 100644
index 0000000..f4a8aa3
--- /dev/null
+++ b/include/binder/IBatteryStats.h
@@ -0,0 +1,55 @@
+/*
+ * 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_IBATTERYSTATS_H
+#define ANDROID_IBATTERYSTATS_H
+
+#include <binder/IInterface.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class IBatteryStats : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(BatteryStats);
+
+    virtual void noteStartSensor(int uid, int sensor) = 0;
+    virtual void noteStopSensor(int uid, int sensor) = 0;
+
+    enum {
+        NOTE_START_SENSOR_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
+        NOTE_STOP_SENSOR_TRANSACTION,
+    };
+};
+
+// ----------------------------------------------------------------------
+
+class BnBatteryStats : public BnInterface<IBatteryStats>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_IBATTERYSTATS_H
diff --git a/include/binder/IBinder.h b/include/binder/IBinder.h
index 8b84951..43b6543 100644
--- a/include/binder/IBinder.h
+++ b/include/binder/IBinder.h
@@ -81,14 +81,6 @@
                                         Parcel* reply,
                                         uint32_t flags = 0) = 0;
 
-    /**
-     * This method allows you to add data that is transported through
-     * IPC along with your IBinder pointer.  When implementing a Binder
-     * object, override it to write your desired data in to @a outData.
-     * You can then call getConstantData() on your IBinder to retrieve
-     * that data, from any process.  You MUST return the number of bytes
-     * written in to the parcel (including padding).
-     */
     class DeathRecipient : public virtual RefBase
     {
     public:
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index ed2e7df..e9966fe 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -128,6 +128,11 @@
     // will be closed once the parcel is destroyed.
     status_t            writeDupFileDescriptor(int fd);
 
+    // Writes a raw fd and optional comm channel fd to the parcel as a ParcelFileDescriptor.
+    // A dup's of the fds are made, which will be closed once the parcel is destroyed.
+    // Null values are passed as -1.
+    status_t            writeParcelFileDescriptor(int fd, int commChannel = -1);
+
     // Writes a blob to the parcel.
     // If the blob is small, then it is stored in-place, otherwise it is
     // transferred by way of an anonymous shared memory region.
@@ -187,6 +192,11 @@
     // in the parcel, which you do not own -- use dup() to get your own copy.
     int                 readFileDescriptor() const;
 
+    // Reads a ParcelFileDescriptor from the parcel.  Returns the raw fd as
+    // the result, and the optional comm channel fd in outCommChannel.
+    // Null values are returned as -1.
+    int                 readParcelFileDescriptor(int& outCommChannel) const;
+
     // Reads a blob from the parcel.
     // The caller should call release() on the blob after reading its contents.
     status_t            readBlob(size_t len, ReadableBlob* outBlob) const;
diff --git a/include/gui/BufferItemConsumer.h b/include/gui/BufferItemConsumer.h
index 52edf17..2c58ca5 100644
--- a/include/gui/BufferItemConsumer.h
+++ b/include/gui/BufferItemConsumer.h
@@ -44,6 +44,7 @@
 
     typedef BufferQueue::BufferItem BufferItem;
 
+    enum { MIN_UNDEQUEUED_BUFFERS = -1 };
     enum { INVALID_BUFFER_SLOT = BufferQueue::INVALID_BUFFER_SLOT };
     enum { NO_BUFFER_AVAILABLE = BufferQueue::NO_BUFFER_AVAILABLE };
 
@@ -54,7 +55,7 @@
     // controlledByApp tells whether this consumer is controlled by the
     // application.
     BufferItemConsumer(const sp<BufferQueue>& bq, uint32_t consumerUsage,
-            int bufferCount = BufferQueue::MIN_UNDEQUEUED_BUFFERS,
+            int bufferCount = MIN_UNDEQUEUED_BUFFERS,
             bool controlledByApp = false);
 
     virtual ~BufferItemConsumer();
diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index 408956b..15dc645 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -41,11 +41,16 @@
                     public BnGraphicBufferConsumer,
                     private IBinder::DeathRecipient {
 public:
-    enum { MIN_UNDEQUEUED_BUFFERS = 2 };
+    // BufferQueue will keep track of at most this value of buffers.
+    // Attempts at runtime to increase the number of buffers past this will fail.
     enum { NUM_BUFFER_SLOTS = 32 };
-    enum { NO_CONNECTED_API = 0 };
-    enum { INVALID_BUFFER_SLOT = -1 };
-    enum { STALE_BUFFER_SLOT = 1, NO_BUFFER_AVAILABLE, PRESENT_LATER };
+    // Used as a placeholder slot# when the value isn't pointing to an existing buffer.
+    enum { INVALID_BUFFER_SLOT = IGraphicBufferConsumer::BufferItem::INVALID_BUFFER_SLOT };
+    // Alias to <IGraphicBufferConsumer.h> -- please scope from there in future code!
+    enum {
+        NO_BUFFER_AVAILABLE = IGraphicBufferConsumer::NO_BUFFER_AVAILABLE,
+        PRESENT_LATER = IGraphicBufferConsumer::PRESENT_LATER,
+    };
 
     // When in async mode we reserve two slots in order to guarantee that the
     // producer and consumer can run asynchronously.
@@ -75,7 +80,6 @@
         wp<ConsumerListener> mConsumerListener;
     };
 
-
     // BufferQueue manages a pool of gralloc memory slots to be used by
     // producers and consumers. allocator is used to allocate all the
     // needed gralloc buffers.
@@ -103,7 +107,7 @@
     //
     // This will fail if the producer has dequeued any buffers, or if
     // bufferCount is invalid.  bufferCount must generally be a value
-    // between the minimum undequeued buffer count and NUM_BUFFER_SLOTS
+    // between the minimum undequeued buffer count (exclusive) and NUM_BUFFER_SLOTS
     // (inclusive).  It may also be set to zero (the default) to indicate
     // that the producer does not wish to set a value.  The minimum value
     // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
@@ -212,7 +216,7 @@
      */
 
     // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the BufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
+    // the BufferQueue.  If no buffer is pending then it returns NO_BUFFER_AVAILABLE. 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
@@ -224,7 +228,7 @@
     // 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.
-    virtual 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
@@ -312,8 +316,13 @@
     // dump our state in a String
     virtual void dump(String8& result, const char* prefix) const;
 
-
 private:
+    // The default API number used to indicate no producer client is connected.
+    enum { NO_CONNECTED_API = 0 };
+
+    // Aliases for using enums from <IGraphicBufferConsumer.h>
+    enum { STALE_BUFFER_SLOT = IGraphicBufferConsumer::STALE_BUFFER_SLOT };
+
     // freeBufferLocked frees the GraphicBuffer and sync resources for the
     // given slot.
     void freeBufferLocked(int index);
diff --git a/include/gui/IGraphicBufferConsumer.h b/include/gui/IGraphicBufferConsumer.h
index 0e35f13..9a6645c 100644
--- a/include/gui/IGraphicBufferConsumer.h
+++ b/include/gui/IGraphicBufferConsumer.h
@@ -48,6 +48,7 @@
         status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
 
     public:
+        // The default value of mBuf, used to indicate this doesn't correspond to a slot.
         enum { INVALID_BUFFER_SLOT = -1 };
         BufferItem();
 
@@ -63,13 +64,17 @@
         Rect mCrop;
 
         // mTransform is the current transform flags for this buffer slot.
+        // refer to NATIVE_WINDOW_TRANSFORM_* in <window.h>
         uint32_t mTransform;
 
         // mScalingMode is the current scaling mode for this buffer slot.
+        // refer to NATIVE_WINDOW_SCALING_* in <window.h>
         uint32_t mScalingMode;
 
         // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
+        // to set by queueBuffer each time this slot is queued. This value
+        // is guaranteed to be monotonically increasing for each newly
+        // acquired buffer.
         int64_t mTimestamp;
 
         // mIsAutoTimestamp indicates whether mTimestamp was generated
@@ -79,7 +84,7 @@
         // mFrameNumber is the number of the queued frame for this slot.
         uint64_t mFrameNumber;
 
-        // mBuf is the slot index of this buffer
+        // mBuf is the slot index of this buffer (default INVALID_BUFFER_SLOT).
         int mBuf;
 
         // mIsDroppable whether this buffer was queued with the
@@ -97,21 +102,42 @@
         bool mTransformToDisplayInverse;
     };
 
+    enum {
+        // Returned by releaseBuffer, after which the consumer must
+        // free any references to the just-released buffer that it might have.
+        STALE_BUFFER_SLOT = 1,
+        // Returned by dequeueBuffer if there are no pending buffers available.
+        NO_BUFFER_AVAILABLE,
+        // Returned by dequeueBuffer if it's too early for the buffer to be acquired.
+        PRESENT_LATER,
+    };
 
     // 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
+    // the BufferQueue.  If no buffer is pending then it returns
+    // NO_BUFFER_AVAILABLE.  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
+    // If presentWhen is non-zero, 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;
+    //
+    // Return of NO_ERROR means the operation completed as normal.
+    //
+    // Return of a positive value means the operation could not be completed
+    //    at this time, but the user should try again later:
+    // * NO_BUFFER_AVAILABLE - no buffer is pending (nothing queued by producer)
+    // * PRESENT_LATER - the buffer's timestamp is farther in the future
+    //
+    // Return of a negative value means an error has occurred:
+    // * INVALID_OPERATION - too many buffers have been acquired
+    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
@@ -125,6 +151,18 @@
     //
     // Note that the dependencies on EGL will be removed once we switch to using
     // the Android HW Sync HAL.
+    //
+    // Return of NO_ERROR means the operation completed as normal.
+    //
+    // Return of a positive value means the operation could not be completed
+    //    at this time, but the user should try again later:
+    // * STALE_BUFFER_SLOT - see above (second paragraph)
+    //
+    // Return of a negative value means an error has occurred:
+    // * BAD_VALUE - one of the following could've happened:
+    //               * the buffer slot was invalid
+    //               * the fence was NULL
+    //               * the buffer slot specified is not in the acquired state
     virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
             EGLDisplay display, EGLSyncKHR fence,
             const sp<Fence>& releaseFence) = 0;
@@ -137,24 +175,38 @@
     // the application.
     //
     // consumer may not be NULL.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned
+    // * BAD_VALUE - a NULL consumer was provided
     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.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * BAD_VALUE - no consumer is currently connected
     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.
+    // getReleasedBuffers sets the value pointed to by slotMask to a bit set.
+    // Each bit index with a 1 corresponds to a released buffer slot with that
+    // index value.  In particular, a released buffer is one that has
+    // been released by the BufferQueue but have not yet been released by the consumer.
     //
     // This should be called from the onBuffersReleased() callback.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
     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.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * BAD_VALUE - either w or h was zero
     virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
 
     // setDefaultMaxBufferCount sets the default value for the maximum buffer
@@ -163,6 +215,9 @@
     // take effect if the producer sets the count back to zero.
     //
     // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * BAD_VALUE - bufferCount was out of range (see above).
     virtual status_t setDefaultMaxBufferCount(int bufferCount) = 0;
 
     // disableAsyncBuffer disables the extra buffer used in async mode
@@ -170,11 +225,20 @@
     // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
     //
     // This can only be called before consumerConnect().
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * INVALID_OPERATION - attempting to call this after 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.
+    //
+    // maxAcquiredBuffers must be (inclusive) between 1 and MAX_MAX_ACQUIRED_BUFFERS.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * BAD_VALUE - maxAcquiredBuffers was out of range (see above).
+    // * INVALID_OPERATION - attempting to call this after a producer connected.
     virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) = 0;
 
     // setConsumerName sets the name used in logging
@@ -184,16 +248,22 @@
     // 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.
+    //
+    // Return of a value other than NO_ERROR means an unknown error has occurred.
     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.
+    //
+    // Return of a value other than NO_ERROR means an unknown error has occurred.
     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).
+    //
+    // Return of a value other than NO_ERROR means an unknown error has occurred.
     virtual status_t setTransformHint(uint32_t hint) = 0;
 
     // dump state into a string
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h
index 342ba08..7002530 100644
--- a/include/gui/IGraphicBufferProducer.h
+++ b/include/gui/IGraphicBufferProducer.h
@@ -54,7 +54,11 @@
     DECLARE_META_INTERFACE(GraphicBufferProducer);
 
     enum {
+        // A flag returned by dequeueBuffer when the client needs to call
+        // requestBuffer immediately thereafter.
         BUFFER_NEEDS_REALLOCATION = 0x1,
+        // A flag returned by dequeueBuffer when all mirrored slots should be
+        // released by the client. This flag should always be processed first.
         RELEASE_ALL_BUFFERS       = 0x2,
     };
 
@@ -63,51 +67,144 @@
     // buffer to the given slot index, and the client is expected to mirror the
     // slot->buffer mapping so that it's not necessary to transfer a
     // GraphicBuffer for every dequeue operation.
+    //
+    // The slot must be in the range of [0, NUM_BUFFER_SLOTS).
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
+    // * BAD_VALUE - one of the two conditions occurred:
+    //              * slot was out of range (see above)
+    //              * buffer specified by the slot is not dequeued
     virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf) = 0;
 
     // setBufferCount sets the number of buffer slots available. Calling this
     // will also cause all buffer slots to be emptied. The caller should empty
     // its mirrored copy of the buffer slots when calling this method.
+    //
+    // This function should not be called when there are any dequeued buffer
+    // slots, doing so will result in a BAD_VALUE error returned.
+    //
+    // The buffer count should be at most NUM_BUFFER_SLOTS (inclusive), but at least
+    // the minimum undequeued buffer count (exclusive). The minimum value
+    // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS).
+    // In particular the range is (minUndequeudBuffers, NUM_BUFFER_SLOTS].
+    //
+    // The buffer count may also be set to 0 (the default), to indicate that
+    // the producer does not wish to set a value.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
+    // * BAD_VALUE - one of the below conditions occurred:
+    //              * bufferCount was out of range (see above)
+    //              * client has one or more buffers dequeued
     virtual status_t setBufferCount(int bufferCount) = 0;
 
     // dequeueBuffer requests a new buffer slot for the client to use. Ownership
     // of the slot is transfered to the client, meaning that the server will not
-    // use the contents of the buffer associated with that slot. The slot index
-    // returned may or may not contain a buffer. If the slot is empty the client
-    // should call requestBuffer to assign a new buffer to that slot. The client
-    // is expected to either call cancelBuffer on the dequeued slot or to fill
-    // in the contents of its associated buffer contents and call queueBuffer.
-    // If dequeueBuffer return BUFFER_NEEDS_REALLOCATION, the client is
+    // use the contents of the buffer associated with that slot.
+    //
+    // The slot index returned may or may not contain a buffer (client-side).
+    // If the slot is empty the client should call requestBuffer to assign a new
+    // buffer to that slot.
+    //
+    // Once the client is done filling this buffer, it is expected to transfer
+    // buffer ownership back to the server with either cancelBuffer on
+    // the dequeued slot or to fill in the contents of its associated buffer
+    // contents and call queueBuffer.
+    //
+    // If dequeueBuffer returns the BUFFER_NEEDS_REALLOCATION flag, the client is
     // expected to call requestBuffer immediately.
     //
+    // If dequeueBuffer returns the RELEASE_ALL_BUFFERS flag, the client is
+    // expected to release all of the mirrored slot->buffer mappings.
+    //
     // The fence parameter will be updated to hold the fence associated with
     // the buffer. The contents of the buffer must not be overwritten until the
-    // fence signals. If the fence is NULL, the buffer may be written
+    // fence signals. If the fence is Fence::NO_FENCE, the buffer may be written
     // immediately.
     //
-    // The async parameter sets whether we're in asynchrnous mode for this
-    // deququeBuffer() call.
-    virtual status_t dequeueBuffer(int *slot, sp<Fence>* fence, bool async,
+    // The async parameter sets whether we're in asynchronous mode for this
+    // dequeueBuffer() call.
+    //
+    // The width and height parameters must be no greater than the minimum of
+    // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
+    // An error due to invalid dimensions might not be reported until
+    // updateTexImage() is called.  If width and height are both zero, the
+    // default values specified by setDefaultBufferSize() are used instead.
+    //
+    // The pixel formats are enumerated in <graphics.h>, e.g.
+    // HAL_PIXEL_FORMAT_RGBA_8888.  If the format is 0, the default format
+    // will be used.
+    //
+    // The usage argument specifies gralloc buffer usage flags.  The values
+    // are enumerated in <gralloc.h>, e.g. GRALLOC_USAGE_HW_RENDER.  These
+    // will be merged with the usage flags specified by
+    // IGraphicBufferConsumer::setConsumerUsageBits.
+    //
+    // This call will block until a buffer is available to be dequeued. If
+    // both the producer and consumer are controlled by the app, then this call
+    // can never block and will return WOULD_BLOCK if no buffer is available.
+    //
+    // A non-negative value with flags set (see above) will be returned upon
+    // success.
+    //
+    // Return of a negative means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
+    // * BAD_VALUE - one of the below conditions occurred:
+    //              * both in async mode and buffer count was less than the
+    //                max numbers of buffers that can be allocated at once
+    //              * attempting dequeue more than one buffer at a time
+    //                without setting the buffer count with setBufferCount()
+    // * -EBUSY - attempting to dequeue too many buffers at a time
+    // * WOULD_BLOCK - no buffer is currently available, and blocking is disabled
+    //                 since both the producer/consumer are controlled by app
+    // * NO_MEMORY - out of memory, cannot allocate the graphics buffer.
+    //
+    // All other negative values are an unknown error returned downstream
+    // from the graphics allocator (typically errno).
+    virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, bool async,
             uint32_t w, uint32_t h, uint32_t format, uint32_t usage) = 0;
 
     // queueBuffer indicates that the client has finished filling in the
     // contents of the buffer associated with slot and transfers ownership of
-    // that slot back to the server. It is not valid to call queueBuffer on a
-    // slot that is not owned by the client or one for which a buffer associated
-    // via requestBuffer. In addition, a timestamp must be provided by the
-    // client for this buffer. The timestamp is measured in nanoseconds, and
-    // must be monotonically increasing. Its other properties (zero point, etc)
+    // that slot back to the server.
+    //
+    // It is not valid to call queueBuffer on a slot that is not owned
+    // by the client or one for which a buffer associated via requestBuffer
+    // (an attempt to do so will fail with a return value of BAD_VALUE).
+    //
+    // In addition, the input must be described by the client (as documented
+    // below). Any other properties (zero point, etc)
     // are client-dependent, and should be documented by the client.
     //
-    // The async parameter sets whether we're queuing a buffer in asynchronous mode.
+    // The slot must be in the range of [0, NUM_BUFFER_SLOTS).
     //
-    // outWidth, outHeight and outTransform are filled with the default width
-    // and height of the window and current transform applied to buffers,
-    // respectively.
+    // Upon success, the output will be filled with meaningful values
+    // (refer to the documentation below).
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
+    // * BAD_VALUE - one of the below conditions occurred:
+    //              * fence was NULL
+    //              * scaling mode was unknown
+    //              * both in async mode and buffer count was less than the
+    //                max numbers of buffers that can be allocated at once
+    //              * slot index was out of range (see above).
+    //              * the slot was not in the dequeued state
+    //              * the slot was enqueued without requesting a buffer
+    //              * crop rect is out of bounds of the buffer dimensions
 
     struct QueueBufferInput : public Flattenable<QueueBufferInput> {
         friend class Flattenable<QueueBufferInput>;
         inline QueueBufferInput(const Parcel& parcel);
+        // timestamp - a monotonically increasing value in nanoseconds
+        // isAutoTimestamp - if the timestamp was synthesized at queue time
+        // crop - a crop rectangle that's used as a hint to the consumer
+        // scalingMode - a set of flags from NATIVE_WINDOW_SCALING_* in <window.h>
+        // transform - a set of flags from NATIVE_WINDOW_TRANSFORM_* in <window.h>
+        // async - if the buffer is queued in asynchronous mode
+        // fence - a fence that the consumer must wait on before reading the buffer,
+        //         set this to Fence::NO_FENCE if the buffer is ready immediately
         inline QueueBufferInput(int64_t timestamp, bool isAutoTimestamp,
                 const Rect& crop, int scalingMode, uint32_t transform, bool async,
                 const sp<Fence>& fence)
@@ -143,8 +240,13 @@
     };
 
     // QueueBufferOutput must be a POD structure
-    struct QueueBufferOutput {
+    struct __attribute__ ((__packed__)) QueueBufferOutput {
         inline QueueBufferOutput() { }
+        // outWidth - filled with default width applied to the buffer
+        // outHeight - filled with default height applied to the buffer
+        // outTransformHint - filled with default transform applied to the buffer
+        // outNumPendingBuffers - num buffers queued that haven't yet been acquired
+        //                        (counting the currently queued buffer)
         inline void deflate(uint32_t* outWidth,
                 uint32_t* outHeight,
                 uint32_t* outTransformHint,
@@ -174,24 +276,54 @@
     // cancelBuffer indicates that the client does not wish to fill in the
     // buffer associated with slot and transfers ownership of the slot back to
     // the server.
+    //
+    // The buffer is not queued for use by the consumer.
+    //
+    // The buffer will not be overwritten until the fence signals.  The fence
+    // will usually be the one obtained from dequeueBuffer.
     virtual void cancelBuffer(int slot, const sp<Fence>& fence) = 0;
 
     // query retrieves some information for this surface
-    // 'what' tokens allowed are that of android_natives.h
+    // 'what' tokens allowed are that of NATIVE_WINDOW_* in <window.h>
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - the buffer queue has been abandoned.
+    // * BAD_VALUE - what was out of range
     virtual int query(int what, int* value) = 0;
 
     // connect attempts to connect a client API to the IGraphicBufferProducer.
     // This must be called before any other IGraphicBufferProducer methods are
-    // called except for getAllocator.
+    // called except for getAllocator. A consumer must be already connected.
     //
     // This method will fail if the connect was previously called on the
     // IGraphicBufferProducer and no corresponding disconnect call was made.
     //
-    // outWidth, outHeight and outTransform are filled with the default width
-    // and height of the window and current transform applied to buffers,
-    // respectively. The token needs to be any binder object that lives in the
+    // The token needs to be any opaque binder object that lives in the
     // producer process -- it is solely used for obtaining a death notification
     // when the producer is killed.
+    //
+    // The api should be one of the NATIVE_WINDOW_API_* values in <window.h>
+    //
+    // The producerControlledByApp should be set to true if the producer is hosted
+    // by an untrusted process (typically app_process-forked processes). If both
+    // the producer and the consumer are app-controlled then all buffer queues
+    // will operate in async mode regardless of the async flag.
+    //
+    // Upon success, the output will be filled with meaningful data
+    // (refer to QueueBufferOutput documentation above).
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * NO_INIT - one of the following occurred:
+    //             * the buffer queue was abandoned
+    //             * no consumer has yet connected
+    // * BAD_VALUE - one of the following has occurred:
+    //             * the producer is already connected
+    //             * api was out of range (see above).
+    //             * output was NULL.
+    // * DEAD_OBJECT - the token is hosted by an already-dead process
+    //
+    // Additional negative errors may be returned by the internals, they
+    // should be treated as opaque fatal unrecoverable errors.
     virtual status_t connect(const sp<IBinder>& token,
             int api, bool producerControlledByApp, QueueBufferOutput* output) = 0;
 
@@ -203,6 +335,17 @@
     //
     // This method will fail if the the IGraphicBufferProducer is not currently
     // connected to the specified client API.
+    //
+    // The api should be one of the NATIVE_WINDOW_API_* values in <window.h>
+    //
+    // Disconnecting from an abandoned IGraphicBufferProducer is legal and
+    // is considered a no-op.
+    //
+    // Return of a value other than NO_ERROR means an error has occurred:
+    // * BAD_VALUE - one of the following has occurred:
+    //             * the api specified does not match the one that was connected
+    //             * api was out of range (see above).
+    // * DEAD_OBJECT - the token is hosted by an already-dead process
     virtual status_t disconnect(int api) = 0;
 };
 
diff --git a/include/input/IInputFlinger.h b/include/input/IInputFlinger.h
new file mode 100644
index 0000000..79ff12a
--- /dev/null
+++ b/include/input/IInputFlinger.h
@@ -0,0 +1,54 @@
+/*
+ * 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 _LIBINPUT_IINPUT_FLINGER_H
+#define _LIBINPUT_IINPUT_FLINGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/IInterface.h>
+
+namespace android {
+
+/*
+ * This class defines the Binder IPC interface for accessing various
+ * InputFlinger features.
+ */
+class IInputFlinger : public IInterface {
+public:
+    DECLARE_META_INTERFACE(InputFlinger);
+
+    virtual status_t doSomething() = 0;
+};
+
+
+/**
+ * Binder implementation.
+ */
+class BnInputFlinger : public BnInterface<IInputFlinger> {
+public:
+    enum {
+        DO_SOMETHING_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
+    };
+
+    virtual status_t onTransact(uint32_t code, const Parcel& data,
+            Parcel* reply, uint32_t flags = 0);
+};
+
+} // namespace android
+
+#endif // _LIBINPUT_IINPUT_FLINGER_H
diff --git a/include/input/Input.h b/include/input/Input.h
index e778076..37f3b72 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -65,6 +65,34 @@
     AINPUT_SOURCE_SWITCH = 0x80000000,
 };
 
+enum {
+    /**
+     * Constants for LEDs. Hidden from the API since we don't actually expose a way to interact
+     * with LEDs to developers
+     *
+     * NOTE: If you add LEDs here, you must also add them to KeycodeLabels.h
+     */
+
+    ALED_NUM_LOCK = 0x00,
+    ALED_CAPS_LOCK = 0x01,
+    ALED_SCROLL_LOCK = 0x02,
+    ALED_COMPOSE = 0x03,
+    ALED_KANA = 0x04,
+    ALED_SLEEP = 0x05,
+    ALED_SUSPEND = 0x06,
+    ALED_MUTE = 0x07,
+    ALED_MISC = 0x08,
+    ALED_MAIL = 0x09,
+    ALED_CHARGING = 0x0a,
+    ALED_CONTROLLER_1 = 0x10,
+    ALED_CONTROLLER_2 = 0x11,
+    ALED_CONTROLLER_3 = 0x12,
+    ALED_CONTROLLER_4 = 0x13,
+};
+
+/* Maximum number of controller LEDs we support */
+#define MAX_CONTROLLER_LEDS 4
+
 /*
  * SystemUiVisibility constants from View.
  */
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 1419b45..adf9fb9 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -46,6 +46,11 @@
     // Ideally, the way this value is computed should not change between Android releases
     // because that would invalidate persistent settings that rely on it.
     String8 descriptor;
+
+    // A value added to uniquely identify a device in the absence of a unique id. This
+    // is intended to be a minimum way to distinguish from other active devices and may
+    // reuse values that are not associated with an input anymore.
+    uint16_t nonce;
 };
 
 /*
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index eec11cf..1e8de71 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -67,6 +67,8 @@
     status_t mapKey(int32_t scanCode, int32_t usageCode,
             int32_t* outKeyCode, uint32_t* outFlags) const;
     status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
+    status_t findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const;
+    status_t findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const;
 
     status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
 
@@ -79,9 +81,16 @@
         uint32_t flags;
     };
 
+    struct Led {
+        int32_t ledCode;
+    };
+
+
     KeyedVector<int32_t, Key> mKeysByScanCode;
     KeyedVector<int32_t, Key> mKeysByUsageCode;
     KeyedVector<int32_t, AxisInfo> mAxes;
+    KeyedVector<int32_t, Led> mLedsByScanCode;
+    KeyedVector<int32_t, Led> mLedsByUsageCode;
 
     KeyLayoutMap();
 
@@ -99,6 +108,7 @@
     private:
         status_t parseKey();
         status_t parseAxis();
+        status_t parseLed();
     };
 };
 
diff --git a/include/input/Keyboard.h b/include/input/Keyboard.h
index 846cb0c..25b2f07 100644
--- a/include/input/Keyboard.h
+++ b/include/input/Keyboard.h
@@ -94,18 +94,24 @@
 extern uint32_t getKeyFlagByLabel(const char* label);
 
 /**
- * Gets a axis by its short form label, eg. "X".
+ * Gets an axis by its short form label, eg. "X".
  * Returns -1 if unknown.
  */
 extern int32_t getAxisByLabel(const char* label);
 
 /**
- * Gets a axis label by its id.
+ * Gets an axis label by its id.
  * Returns NULL if unknown.
  */
 extern const char* getAxisLabel(int32_t axisId);
 
 /**
+ * Gets an LED by its short form label, eg. "CAPS_LOCK".
+ * Returns -1 if unknown.
+ */
+extern int32_t getLedByLabel(const char* label);
+
+/**
  * Updates a meta state field when a key is pressed or released.
  */
 extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
diff --git a/include/input/KeycodeLabels.h b/include/input/KeycodeLabels.h
index c64c5d8..19582e9 100644
--- a/include/input/KeycodeLabels.h
+++ b/include/input/KeycodeLabels.h
@@ -319,4 +319,26 @@
     { NULL, -1 }
 };
 
+static const KeycodeLabel LEDS[] = {
+    { "NUM_LOCK", 0x00 },
+    { "CAPS_LOCK", 0x01 },
+    { "SCROLL_LOCK", 0x02 },
+    { "COMPOSE", 0x03 },
+    { "KANA", 0x04 },
+    { "SLEEP", 0x05 },
+    { "SUSPEND", 0x06 },
+    { "MUTE", 0x07 },
+    { "MISC", 0x08 },
+    { "MAIL", 0x09 },
+    { "CHARGING", 0x0a },
+    { "CONTROLLER_1", 0x10 },
+    { "CONTROLLER_2", 0x11 },
+    { "CONTROLLER_3", 0x12 },
+    { "CONTROLLER_4", 0x13 },
+
+    // NOTE: If you add new LEDs here, you must also add them to Input.h
+
+    { NULL, -1 }
+};
+
 #endif // _LIBINPUT_KEYCODE_LABELS_H
diff --git a/include/media/hardware/HDCPAPI.h b/include/media/hardware/HDCPAPI.h
index d4abb3f..3a53e9f 100644
--- a/include/media/hardware/HDCPAPI.h
+++ b/include/media/hardware/HDCPAPI.h
@@ -88,6 +88,11 @@
     // Request to shutdown the active HDCP session.
     virtual status_t shutdownAsync() = 0;
 
+    // Returns the capability bitmask of this HDCP session.
+    virtual uint32_t getCaps() {
+        return HDCP_CAPS_ENCRYPT;
+    }
+
     // ENCRYPTION only:
     // Encrypt data according to the HDCP spec. "size" bytes of data are
     // available at "inData" (virtual address), "size" may not be a multiple
diff --git a/include/private/gui/LayerState.h b/include/private/gui/LayerState.h
index bf4bf03..5584fb1 100644
--- a/include/private/gui/LayerState.h
+++ b/include/private/gui/LayerState.h
@@ -30,11 +30,15 @@
 class Parcel;
 class ISurfaceComposerClient;
 
+/*
+ * Used to communicate layer information between SurfaceFlinger and its clients.
+ */
 struct layer_state_t {
 
 
     enum {
-        eLayerHidden        = 0x01,
+        eLayerHidden        = 0x01,     // SURFACE_HIDDEN in SurfaceControl.java
+        eLayerOpaque        = 0x02,     // SURFACE_OPAQUE
     };
 
     enum {
@@ -47,6 +51,7 @@
         eVisibilityChanged          = 0x00000040,
         eLayerStackChanged          = 0x00000080,
         eCropChanged                = 0x00000100,
+        eOpacityChanged             = 0x00000200,
     };
 
     layer_state_t()
diff --git a/include/ui/PixelFormat.h b/include/ui/PixelFormat.h
index 627cfb6..7e46945 100644
--- a/include/ui/PixelFormat.h
+++ b/include/ui/PixelFormat.h
@@ -56,13 +56,15 @@
 
     // real pixel formats supported for rendering -----------------------------
 
-    PIXEL_FORMAT_RGBA_8888   = HAL_PIXEL_FORMAT_RGBA_8888,  // 4x8-bit RGBA
-    PIXEL_FORMAT_RGBX_8888   = HAL_PIXEL_FORMAT_RGBX_8888,  // 4x8-bit RGB0
-    PIXEL_FORMAT_RGB_888     = HAL_PIXEL_FORMAT_RGB_888,    // 3x8-bit RGB
-    PIXEL_FORMAT_RGB_565     = HAL_PIXEL_FORMAT_RGB_565,    // 16-bit RGB
-    PIXEL_FORMAT_BGRA_8888   = HAL_PIXEL_FORMAT_BGRA_8888,  // 4x8-bit BGRA
-    PIXEL_FORMAT_RGBA_5551   = 6,                           // 16-bit ARGB
-    PIXEL_FORMAT_RGBA_4444   = 7,                           // 16-bit ARGB
+    PIXEL_FORMAT_RGBA_8888   = HAL_PIXEL_FORMAT_RGBA_8888,   // 4x8-bit RGBA
+    PIXEL_FORMAT_RGBX_8888   = HAL_PIXEL_FORMAT_RGBX_8888,   // 4x8-bit RGB0
+    PIXEL_FORMAT_RGB_888     = HAL_PIXEL_FORMAT_RGB_888,     // 3x8-bit RGB
+    PIXEL_FORMAT_RGB_565     = HAL_PIXEL_FORMAT_RGB_565,     // 16-bit RGB
+    PIXEL_FORMAT_BGRA_8888   = HAL_PIXEL_FORMAT_BGRA_8888,   // 4x8-bit BGRA
+    PIXEL_FORMAT_RGBA_5551   = 6,                            // 16-bit ARGB
+    PIXEL_FORMAT_RGBA_4444   = 7,                            // 16-bit ARGB
+    PIXEL_FORMAT_sRGB_A_8888 = HAL_PIXEL_FORMAT_sRGB_A_8888, // 4x8-bit sRGB + A
+    PIXEL_FORMAT_sRGB_X_8888 = HAL_PIXEL_FORMAT_sRGB_X_8888, // 4x8-bit sRGB, no A
 };
 
 typedef int32_t PixelFormat;
diff --git a/libs/binder/Android.mk b/libs/binder/Android.mk
index 673fc82..d8ae0aa 100644
--- a/libs/binder/Android.mk
+++ b/libs/binder/Android.mk
@@ -21,6 +21,7 @@
     Debug.cpp \
     IAppOpsCallback.cpp \
     IAppOpsService.cpp \
+    IBatteryStats.cpp \
     IInterface.cpp \
     IMemory.cpp \
     IPCThreadState.cpp \
diff --git a/libs/binder/IBatteryStats.cpp b/libs/binder/IBatteryStats.cpp
new file mode 100644
index 0000000..6469b08
--- /dev/null
+++ b/libs/binder/IBatteryStats.cpp
@@ -0,0 +1,84 @@
+/*
+ * 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 <binder/IBatteryStats.h>
+
+#include <utils/Debug.h>
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/binder/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpBatteryStats : public BpInterface<IBatteryStats>
+{
+public:
+    BpBatteryStats(const sp<IBinder>& impl)
+        : BpInterface<IBatteryStats>(impl)
+    {
+    }
+
+    virtual void noteStartSensor(int uid, int sensor) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IBatteryStats::getInterfaceDescriptor());
+        data.writeInt32(uid);
+        data.writeInt32(sensor);
+        remote()->transact(NOTE_START_SENSOR_TRANSACTION, data, &reply);
+    }
+
+    virtual void noteStopSensor(int uid, int sensor) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IBatteryStats::getInterfaceDescriptor());
+        data.writeInt32(uid);
+        data.writeInt32(sensor);
+        remote()->transact(NOTE_STOP_SENSOR_TRANSACTION, data, &reply);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(BatteryStats, "com.android.internal.app.IBatteryStats");
+
+// ----------------------------------------------------------------------
+
+status_t BnBatteryStats::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case NOTE_START_SENSOR_TRANSACTION: {
+            CHECK_INTERFACE(IBatteryStats, data, reply);
+            int uid = data.readInt32();
+            int sensor = data.readInt32();
+            noteStartSensor(uid, sensor);
+            reply->writeNoException();
+            return NO_ERROR;
+        } break;
+        case NOTE_STOP_SENSOR_TRANSACTION: {
+            CHECK_INTERFACE(IBatteryStats, data, reply);
+            int uid = data.readInt32();
+            int sensor = data.readInt32();
+            noteStopSensor(uid, sensor);
+            reply->writeNoException();
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+}; // namespace android
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 03bcf01..3791ad5 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -766,6 +766,32 @@
     return err;
 }
 
+// WARNING: This method must stay in sync with
+// Parcelable.Creator<ParcelFileDescriptor> CREATOR
+// in frameworks/base/core/java/android/os/ParcelFileDescriptor.java
+status_t Parcel::writeParcelFileDescriptor(int fd, int commChannel) {
+    status_t status;
+
+    if (fd < 0) {
+        status = writeInt32(0); // ParcelFileDescriptor is null
+        if (status) return status;
+    } else {
+        status = writeInt32(1); // ParcelFileDescriptor is not null
+        if (status) return status;
+        status = writeDupFileDescriptor(fd);
+        if (status) return status;
+        if (commChannel < 0) {
+            status = writeInt32(0); // commChannel is null
+            if (status) return status;
+        } else {
+            status = writeInt32(1); // commChannel is not null
+            if (status) return status;
+            status = writeDupFileDescriptor(commChannel);
+        }
+    }
+    return status;
+}
+
 status_t Parcel::writeBlob(size_t len, WritableBlob* outBlob)
 {
     status_t status;
@@ -1180,6 +1206,23 @@
     return BAD_TYPE;
 }
 
+// WARNING: This method must stay in sync with writeToParcel()
+// in frameworks/base/core/java/android/os/ParcelFileDescriptor.java
+int Parcel::readParcelFileDescriptor(int& outCommChannel) const {
+    int fd;
+    outCommChannel = -1;
+
+    if (readInt32() == 0) {
+        fd = -1;
+    } else {
+        fd = readFileDescriptor();
+        if (fd >= 0 && readInt32() != 0) {
+            outCommChannel = readFileDescriptor();
+        }
+    }
+    return fd;
+}
+
 status_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const
 {
     int32_t useAshmem;
diff --git a/libs/gui/BufferItemConsumer.cpp b/libs/gui/BufferItemConsumer.cpp
index 350887a..74a65ed 100644
--- a/libs/gui/BufferItemConsumer.cpp
+++ b/libs/gui/BufferItemConsumer.cpp
@@ -33,6 +33,13 @@
         uint32_t consumerUsage, int bufferCount, bool controlledByApp) :
     ConsumerBase(bq, controlledByApp)
 {
+    if (bufferCount == MIN_UNDEQUEUED_BUFFERS) {
+        status_t res;
+        res = bq->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &bufferCount);
+        LOG_ALWAYS_FATAL_IF(res != OK || bufferCount < 0,
+                            "Failed to query min buffer count");
+    }
+
     mConsumer->setConsumerUsageBits(consumerUsage);
     mConsumer->setMaxAcquiredBufferCount(bufferCount);
 }
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 2aecb67..2fa0433 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -31,7 +31,6 @@
 
 #include <utils/Log.h>
 #include <utils/Trace.h>
-#include <utils/CallStack.h>
 
 // Macros for including the BufferQueue name in log messages
 #define ST_LOGV(x, ...) ALOGV("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
@@ -196,6 +195,11 @@
     ATRACE_CALL();
     Mutex::Autolock lock(mMutex);
 
+    if (outValue == NULL) {
+        ST_LOGE("query: outValue was NULL");
+        return BAD_VALUE;
+    }
+
     if (mAbandoned) {
         ST_LOGE("query: BufferQueue has been abandoned!");
         return NO_INIT;
@@ -655,10 +659,15 @@
         return NO_INIT;
     }
 
+    if (output == NULL) {
+        ST_LOGE("connect: output was NULL");
+        return BAD_VALUE;
+    }
+
     if (mConnectedApi != NO_CONNECTED_API) {
         ST_LOGE("connect: already connected (cur=%d, req=%d)",
                 mConnectedApi, api);
-        return -EINVAL;
+        return BAD_VALUE;
     }
 
     // If we disconnect and reconnect quickly, we can be in a state where our slots are
@@ -694,7 +703,7 @@
             }
             break;
         default:
-            err = -EINVAL;
+            err = BAD_VALUE;
             break;
     }
 
@@ -704,7 +713,7 @@
     return err;
 }
 
-void BufferQueue::binderDied(const wp<IBinder>& who) {
+void BufferQueue::binderDied(const wp<IBinder>& who __attribute__((unused))) {
     // If we're here, it means that a producer we were connected to died.
     // We're GUARANTEED that we still are connected to it because it has no other way
     // to get disconnected -- or -- we wouldn't be here because we're removing this
diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index c4ec857..c5900aa 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -85,7 +85,7 @@
         "consumer is not abandoned!", mName.string());
 }
 
-void ConsumerBase::onLastStrongRef(const void* id) {
+void ConsumerBase::onLastStrongRef(const void* id __attribute__((unused))) {
     abandon();
 }
 
@@ -243,7 +243,7 @@
             slot, mSlots[slot].mFrameNumber);
     status_t err = mConsumer->releaseBuffer(slot, mSlots[slot].mFrameNumber,
             display, eglFence, mSlots[slot].mFence);
-    if (err == BufferQueue::STALE_BUFFER_SLOT) {
+    if (err == IGraphicBufferConsumer::STALE_BUFFER_SLOT) {
         freeBufferLocked(slot);
     }
 
diff --git a/libs/gui/IGraphicBufferConsumer.cpp b/libs/gui/IGraphicBufferConsumer.cpp
index 9574b61..876c895 100644
--- a/libs/gui/IGraphicBufferConsumer.cpp
+++ b/libs/gui/IGraphicBufferConsumer.cpp
@@ -223,7 +223,7 @@
     }
 
     virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
-            EGLDisplay display, EGLSyncKHR fence,
+            EGLDisplay display __attribute__((unused)), EGLSyncKHR fence __attribute__((unused)),
             const sp<Fence>& releaseFence) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 27dbc4e..975d005 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -251,7 +251,7 @@
     return BAD_VALUE;
 }
 
-int Surface::lockBuffer_DEPRECATED(android_native_buffer_t* buffer) {
+int Surface::lockBuffer_DEPRECATED(android_native_buffer_t* buffer __attribute__((unused))) {
     ALOGV("Surface::lockBuffer");
     Mutex::Autolock lock(mMutex);
     return OK;
@@ -482,7 +482,7 @@
     return lock(outBuffer, inOutDirtyBounds);
 }
 
-int Surface::dispatchUnlockAndPost(va_list args) {
+int Surface::dispatchUnlockAndPost(va_list args __attribute__((unused))) {
     return unlockAndPost();
 }
 
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index aafc4d2..2246f5f 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -309,7 +309,12 @@
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s)
         return BAD_INDEX;
-    s->what |= layer_state_t::eVisibilityChanged;
+    if (mask & layer_state_t::eLayerOpaque) {
+        s->what |= layer_state_t::eOpacityChanged;
+    }
+    if (mask & layer_state_t::eLayerHidden) {
+        s->what |= layer_state_t::eVisibilityChanged;
+    }
     s->flags &= ~mask;
     s->flags |= (flags & mask);
     s->mask |= mask;
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 16e533c..de182ee 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -23,7 +23,6 @@
 
 #include <android/native_window.h>
 
-#include <utils/CallStack.h>
 #include <utils/Errors.h>
 #include <utils/Log.h>
 #include <utils/threads.h>
diff --git a/libs/gui/tests/Android.mk b/libs/gui/tests/Android.mk
index 21bd875..2eeb5c7 100644
--- a/libs/gui/tests/Android.mk
+++ b/libs/gui/tests/Android.mk
@@ -9,9 +9,19 @@
 LOCAL_SRC_FILES := \
     BufferQueue_test.cpp \
     CpuConsumer_test.cpp \
+    FillBuffer.cpp \
+    GLTest.cpp \
+    IGraphicBufferProducer_test.cpp \
+    MultiTextureConsumer_test.cpp \
+    SRGB_test.cpp \
     SurfaceTextureClient_test.cpp \
-    SurfaceTexture_test.cpp \
+    SurfaceTextureFBO_test.cpp \
+    SurfaceTextureGLThreadToGL_test.cpp \
+    SurfaceTextureGLToGL_test.cpp \
+    SurfaceTextureGL_test.cpp \
+    SurfaceTextureMultiContextGL_test.cpp \
     Surface_test.cpp \
+    TextureRenderer.cpp \
 
 LOCAL_SHARED_LIBRARIES := \
 	libEGL \
diff --git a/libs/gui/tests/BufferQueue_test.cpp b/libs/gui/tests/BufferQueue_test.cpp
index 03c1a29..06f9a92 100644
--- a/libs/gui/tests/BufferQueue_test.cpp
+++ b/libs/gui/tests/BufferQueue_test.cpp
@@ -52,6 +52,12 @@
                 testInfo->name());
     }
 
+    void GetMinUndequeuedBufferCount(int* bufferCount) {
+        ASSERT_NE((void*)NULL, bufferCount);
+        ASSERT_EQ(OK, mBQ->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, bufferCount));
+        ASSERT_LE(0, *bufferCount); // non-negative
+    }
+
     sp<BufferQueue> mBQ;
 };
 
@@ -97,20 +103,28 @@
     sp<DummyConsumer> dc(new DummyConsumer);
     mBQ->consumerConnect(dc, false);
 
-    ASSERT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(0));
-    ASSERT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(-3));
-    ASSERT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(
+    int minBufferCount;
+    ASSERT_NO_FATAL_FAILURE(GetMinUndequeuedBufferCount(&minBufferCount));
+    EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(minBufferCount - 1));
+
+    EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(0));
+    EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(-3));
+    EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(
             BufferQueue::MAX_MAX_ACQUIRED_BUFFERS+1));
-    ASSERT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(100));
+    EXPECT_EQ(BAD_VALUE, mBQ->setMaxAcquiredBufferCount(100));
 }
 
 TEST_F(BufferQueueTest, SetMaxAcquiredBufferCountWithLegalValues_Succeeds) {
     sp<DummyConsumer> dc(new DummyConsumer);
     mBQ->consumerConnect(dc, false);
 
-    ASSERT_EQ(OK, mBQ->setMaxAcquiredBufferCount(1));
-    ASSERT_EQ(OK, mBQ->setMaxAcquiredBufferCount(2));
-    ASSERT_EQ(OK, mBQ->setMaxAcquiredBufferCount(
+    int minBufferCount;
+    ASSERT_NO_FATAL_FAILURE(GetMinUndequeuedBufferCount(&minBufferCount));
+
+    EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(1));
+    EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(2));
+    EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(minBufferCount));
+    EXPECT_EQ(OK, mBQ->setMaxAcquiredBufferCount(
             BufferQueue::MAX_MAX_ACQUIRED_BUFFERS));
 }
 
diff --git a/libs/gui/tests/DisconnectWaiter.h b/libs/gui/tests/DisconnectWaiter.h
new file mode 100644
index 0000000..3a30a19
--- /dev/null
+++ b/libs/gui/tests/DisconnectWaiter.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright 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_DISCONNECT_WAITER_H
+#define ANDROID_DISCONNECT_WAITER_H
+
+#include <gui/IConsumerListener.h>
+
+#include <utils/Condition.h>
+#include <utils/Mutex.h>
+
+namespace android {
+
+// Note that GLConsumer will lose the notifications
+// onBuffersReleased and onFrameAvailable as there is currently
+// 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 BnConsumerListener {
+public:
+    DisconnectWaiter () :
+        mWaitForDisconnect(false),
+        mPendingFrames(0) {
+    }
+
+    void waitForFrame() {
+        Mutex::Autolock lock(mMutex);
+        while (mPendingFrames == 0) {
+            mFrameCondition.wait(mMutex);
+        }
+        mPendingFrames--;
+    }
+
+    virtual void onFrameAvailable() {
+        Mutex::Autolock lock(mMutex);
+        mPendingFrames++;
+        mFrameCondition.signal();
+    }
+
+    virtual void onBuffersReleased() {
+        Mutex::Autolock lock(mMutex);
+        while (!mWaitForDisconnect) {
+            mDisconnectCondition.wait(mMutex);
+        }
+    }
+
+    void finishDisconnect() {
+        Mutex::Autolock lock(mMutex);
+        mWaitForDisconnect = true;
+        mDisconnectCondition.signal();
+    }
+
+private:
+    Mutex mMutex;
+
+    bool mWaitForDisconnect;
+    Condition mDisconnectCondition;
+
+    int mPendingFrames;
+    Condition mFrameCondition;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/FillBuffer.cpp b/libs/gui/tests/FillBuffer.cpp
new file mode 100644
index 0000000..079962c
--- /dev/null
+++ b/libs/gui/tests/FillBuffer.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright 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 "FillBuffer.h"
+
+#include <ui/GraphicBuffer.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+void fillYV12Buffer(uint8_t* buf, int w, int h, int stride) {
+    const int blockWidth = w > 16 ? w / 16 : 1;
+    const int blockHeight = h > 16 ? h / 16 : 1;
+    const int yuvTexOffsetY = 0;
+    int yuvTexStrideY = stride;
+    int yuvTexOffsetV = yuvTexStrideY * h;
+    int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
+    int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
+    int yuvTexStrideU = yuvTexStrideV;
+    for (int x = 0; x < w; x++) {
+        for (int y = 0; y < h; y++) {
+            int parityX = (x / blockWidth) & 1;
+            int parityY = (y / blockHeight) & 1;
+            unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
+            buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
+            if (x < w / 2 && y < h / 2) {
+                buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
+                if (x * 2 < w / 2 && y * 2 < h / 2) {
+                    buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 0] =
+                    buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 1] =
+                    buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 0] =
+                    buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 1] =
+                        intensity;
+                }
+            }
+        }
+    }
+}
+
+void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
+        const android_native_rect_t& rect) {
+    const int yuvTexOffsetY = 0;
+    int yuvTexStrideY = stride;
+    int yuvTexOffsetV = yuvTexStrideY * h;
+    int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
+    int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
+    int yuvTexStrideU = yuvTexStrideV;
+    for (int x = 0; x < w; x++) {
+        for (int y = 0; y < h; y++) {
+            bool inside = rect.left <= x && x < rect.right &&
+                    rect.top <= y && y < rect.bottom;
+            buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = inside ? 240 : 64;
+            if (x < w / 2 && y < h / 2) {
+                bool inside = rect.left <= 2*x && 2*x < rect.right &&
+                        rect.top <= 2*y && 2*y < rect.bottom;
+                buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = 16;
+                buf[yuvTexOffsetV + (y * yuvTexStrideV) + x] =
+                        inside ? 16 : 255;
+            }
+        }
+    }
+}
+
+void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride) {
+    const size_t PIXEL_SIZE = 4;
+    for (int x = 0; x < w; x++) {
+        for (int y = 0; y < h; y++) {
+            off_t offset = (y * stride + x) * PIXEL_SIZE;
+            for (int c = 0; c < 4; c++) {
+                int parityX = (x / (1 << (c+2))) & 1;
+                int parityY = (y / (1 << (c+2))) & 1;
+                buf[offset + c] = (parityX ^ parityY) ? 231 : 35;
+            }
+        }
+    }
+}
+
+void produceOneRGBA8Frame(const sp<ANativeWindow>& anw) {
+    android_native_buffer_t* anb;
+    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
+            &anb));
+    ASSERT_TRUE(anb != NULL);
+
+    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+    uint8_t* img = NULL;
+    ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
+            (void**)(&img)));
+    fillRGBA8Buffer(img, buf->getWidth(), buf->getHeight(), buf->getStride());
+    ASSERT_EQ(NO_ERROR, buf->unlock());
+    ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf->getNativeBuffer(),
+            -1));
+}
+} // namespace android
diff --git a/libs/gui/tests/FillBuffer.h b/libs/gui/tests/FillBuffer.h
new file mode 100644
index 0000000..b584179
--- /dev/null
+++ b/libs/gui/tests/FillBuffer.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 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_FILL_BUFFER_H
+#define ANDROID_FILL_BUFFER_H
+
+#include <system/window.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+// Fill a YV12 buffer with a multi-colored checkerboard pattern
+void fillYV12Buffer(uint8_t* buf, int w, int h, int stride);
+
+// Fill a YV12 buffer with red outside a given rectangle and green inside it.
+void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
+        const android_native_rect_t& rect);
+
+void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride);
+
+// Produce a single RGBA8 frame by filling a buffer with a checkerboard pattern
+// using the CPU.  This assumes that the ANativeWindow is already configured to
+// allow this to be done (e.g. the format is set to RGBA8).
+//
+// Calls to this function should be wrapped in an ASSERT_NO_FATAL_FAILURE().
+void produceOneRGBA8Frame(const sp<ANativeWindow>& anw);
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/FrameWaiter.h b/libs/gui/tests/FrameWaiter.h
new file mode 100644
index 0000000..bdedba6
--- /dev/null
+++ b/libs/gui/tests/FrameWaiter.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright 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_FRAME_WAITER_H
+#define ANDROID_FRAME_WAITER_H
+
+#include <gui/GLConsumer.h>
+
+namespace android {
+
+class FrameWaiter : public GLConsumer::FrameAvailableListener {
+public:
+    FrameWaiter():
+            mPendingFrames(0) {
+    }
+
+    void waitForFrame() {
+        Mutex::Autolock lock(mMutex);
+        while (mPendingFrames == 0) {
+            mCondition.wait(mMutex);
+        }
+        mPendingFrames--;
+    }
+
+    virtual void onFrameAvailable() {
+        Mutex::Autolock lock(mMutex);
+        mPendingFrames++;
+        mCondition.signal();
+    }
+
+private:
+    int mPendingFrames;
+    Mutex mMutex;
+    Condition mCondition;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/GLTest.cpp b/libs/gui/tests/GLTest.cpp
new file mode 100644
index 0000000..1739d9c
--- /dev/null
+++ b/libs/gui/tests/GLTest.cpp
@@ -0,0 +1,339 @@
+/*
+ * Copyright 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 "GLTest.h"
+
+#include <gui/Surface.h>
+
+#include <GLES2/gl2.h>
+
+namespace android {
+
+static int abs(int value) {
+    return value > 0 ? value : -value;
+}
+
+void GLTest::SetUp() {
+    const ::testing::TestInfo* const testInfo =
+        ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGV("Begin test: %s.%s", testInfo->test_case_name(), testInfo->name());
+
+    mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
+
+    EGLint majorVersion;
+    EGLint minorVersion;
+    EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    RecordProperty("EglVersionMajor", majorVersion);
+    RecordProperty("EglVersionMinor", minorVersion);
+
+    EGLint numConfigs = 0;
+    EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(), &mGlConfig, 1,
+            &numConfigs));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    char* displaySecsEnv = getenv("GLTEST_DISPLAY_SECS");
+    if (displaySecsEnv != NULL) {
+        mDisplaySecs = atoi(displaySecsEnv);
+        if (mDisplaySecs < 0) {
+            mDisplaySecs = 0;
+        }
+    } else {
+        mDisplaySecs = 0;
+    }
+
+    if (mDisplaySecs > 0) {
+        mComposerClient = new SurfaceComposerClient;
+        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
+
+        mSurfaceControl = mComposerClient->createSurface(
+                String8("Test Surface"), getSurfaceWidth(), getSurfaceHeight(),
+                PIXEL_FORMAT_RGB_888, 0);
+
+        ASSERT_TRUE(mSurfaceControl != NULL);
+        ASSERT_TRUE(mSurfaceControl->isValid());
+
+        SurfaceComposerClient::openGlobalTransaction();
+        ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF));
+        ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
+        SurfaceComposerClient::closeGlobalTransaction();
+
+        sp<ANativeWindow> window = mSurfaceControl->getSurface();
+        mEglSurface = createWindowSurface(mEglDisplay, mGlConfig, window);
+    } else {
+        EGLint pbufferAttribs[] = {
+            EGL_WIDTH, getSurfaceWidth(),
+            EGL_HEIGHT, getSurfaceHeight(),
+            EGL_NONE };
+
+        mEglSurface = eglCreatePbufferSurface(mEglDisplay, mGlConfig,
+                pbufferAttribs);
+    }
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
+
+    mEglContext = eglCreateContext(mEglDisplay, mGlConfig, EGL_NO_CONTEXT,
+            getContextAttribs());
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
+
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    EGLint w, h;
+    EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &w));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &h));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    RecordProperty("EglSurfaceWidth", w);
+    RecordProperty("EglSurfaceHeight", h);
+
+    glViewport(0, 0, w, h);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+}
+
+void GLTest::TearDown() {
+    // Display the result
+    if (mDisplaySecs > 0 && mEglSurface != EGL_NO_SURFACE) {
+        eglSwapBuffers(mEglDisplay, mEglSurface);
+        sleep(mDisplaySecs);
+    }
+
+    if (mComposerClient != NULL) {
+        mComposerClient->dispose();
+    }
+    if (mEglContext != EGL_NO_CONTEXT) {
+        eglDestroyContext(mEglDisplay, mEglContext);
+    }
+    if (mEglSurface != EGL_NO_SURFACE) {
+        eglDestroySurface(mEglDisplay, mEglSurface);
+    }
+    if (mEglDisplay != EGL_NO_DISPLAY) {
+        eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+                EGL_NO_CONTEXT);
+        eglTerminate(mEglDisplay);
+    }
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    const ::testing::TestInfo* const testInfo =
+        ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGV("End test:   %s.%s", testInfo->test_case_name(), testInfo->name());
+}
+
+EGLint const* GLTest::getConfigAttribs() {
+    static const EGLint sDefaultConfigAttribs[] = {
+        EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+        EGL_RED_SIZE, 8,
+        EGL_GREEN_SIZE, 8,
+        EGL_BLUE_SIZE, 8,
+        EGL_ALPHA_SIZE, 8,
+        EGL_DEPTH_SIZE, 16,
+        EGL_STENCIL_SIZE, 8,
+        EGL_NONE };
+
+    return sDefaultConfigAttribs;
+}
+
+EGLint const* GLTest::getContextAttribs() {
+    static const EGLint sDefaultContextAttribs[] = {
+        EGL_CONTEXT_CLIENT_VERSION, 2,
+        EGL_NONE };
+
+    return sDefaultContextAttribs;
+}
+
+EGLint GLTest::getSurfaceWidth() {
+    return 512;
+}
+
+EGLint GLTest::getSurfaceHeight() {
+    return 512;
+}
+
+EGLSurface GLTest::createWindowSurface(EGLDisplay display, EGLConfig config,
+                                       sp<ANativeWindow>& window) const {
+    return eglCreateWindowSurface(display, config, window.get(), NULL);
+}
+
+::testing::AssertionResult GLTest::checkPixel(int x, int y,
+        int r, int g, int b, int a, int tolerance) {
+    GLubyte pixel[4];
+    String8 msg;
+    glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+    GLenum err = glGetError();
+    if (err != GL_NO_ERROR) {
+        msg += String8::format("error reading pixel: %#x", err);
+        while ((err = glGetError()) != GL_NO_ERROR) {
+            msg += String8::format(", %#x", err);
+        }
+        return ::testing::AssertionFailure(::testing::Message(msg.string()));
+    }
+    if (r >= 0 && abs(r - int(pixel[0])) > tolerance) {
+        msg += String8::format("r(%d isn't %d)", pixel[0], r);
+    }
+    if (g >= 0 && abs(g - int(pixel[1])) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("g(%d isn't %d)", pixel[1], g);
+    }
+    if (b >= 0 && abs(b - int(pixel[2])) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("b(%d isn't %d)", pixel[2], b);
+    }
+    if (a >= 0 && abs(a - int(pixel[3])) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("a(%d isn't %d)", pixel[3], a);
+    }
+    if (!msg.isEmpty()) {
+        return ::testing::AssertionFailure(::testing::Message(msg.string()));
+    } else {
+        return ::testing::AssertionSuccess();
+    }
+}
+
+::testing::AssertionResult GLTest::assertRectEq(const Rect &r1, const Rect &r2,
+                                                int tolerance) {
+    String8 msg;
+
+    if (abs(r1.left - r2.left) > tolerance) {
+        msg += String8::format("left(%d isn't %d)", r1.left, r2.left);
+    }
+    if (abs(r1.top - r2.top) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("top(%d isn't %d)", r1.top, r2.top);
+    }
+    if (abs(r1.right - r2.right) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("right(%d isn't %d)", r1.right, r2.right);
+    }
+    if (abs(r1.bottom - r2.bottom) > tolerance) {
+        if (!msg.isEmpty()) {
+            msg += " ";
+        }
+        msg += String8::format("bottom(%d isn't %d)", r1.bottom, r2.bottom);
+    }
+    if (!msg.isEmpty()) {
+        msg += String8::format(" R1: [%d %d %d %d] R2: [%d %d %d %d]",
+                               r1.left, r1.top, r1.right, r1.bottom,
+                               r2.left, r2.top, r2.right, r2.bottom);
+        fprintf(stderr, "assertRectEq: %s\n", msg.string());
+        return ::testing::AssertionFailure(::testing::Message(msg.string()));
+    } else {
+        return ::testing::AssertionSuccess();
+    }
+}
+
+void GLTest::loadShader(GLenum shaderType, const char* pSource,
+        GLuint* outShader) {
+    GLuint shader = glCreateShader(shaderType);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    if (shader) {
+        glShaderSource(shader, 1, &pSource, NULL);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+        glCompileShader(shader);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+        GLint compiled = 0;
+        glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+        if (!compiled) {
+            GLint infoLen = 0;
+            glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
+            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+            if (infoLen) {
+                char* buf = (char*) malloc(infoLen);
+                if (buf) {
+                    glGetShaderInfoLog(shader, infoLen, NULL, buf);
+                    printf("Shader compile log:\n%s\n", buf);
+                    free(buf);
+                    FAIL();
+                }
+            } else {
+                char* buf = (char*) malloc(0x1000);
+                if (buf) {
+                    glGetShaderInfoLog(shader, 0x1000, NULL, buf);
+                    printf("Shader compile log:\n%s\n", buf);
+                    free(buf);
+                    FAIL();
+                }
+            }
+            glDeleteShader(shader);
+            shader = 0;
+        }
+    }
+    ASSERT_TRUE(shader != 0);
+    *outShader = shader;
+}
+
+void GLTest::createProgram(const char* pVertexSource,
+        const char* pFragmentSource, GLuint* outPgm) {
+    GLuint vertexShader, fragmentShader;
+    {
+        SCOPED_TRACE("compiling vertex shader");
+        ASSERT_NO_FATAL_FAILURE(loadShader(GL_VERTEX_SHADER, pVertexSource,
+                &vertexShader));
+    }
+    {
+        SCOPED_TRACE("compiling fragment shader");
+        ASSERT_NO_FATAL_FAILURE(loadShader(GL_FRAGMENT_SHADER, pFragmentSource,
+                &fragmentShader));
+    }
+
+    GLuint program = glCreateProgram();
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    if (program) {
+        glAttachShader(program, vertexShader);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+        glAttachShader(program, fragmentShader);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+        glLinkProgram(program);
+        GLint linkStatus = GL_FALSE;
+        glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
+        if (linkStatus != GL_TRUE) {
+            GLint bufLength = 0;
+            glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
+            if (bufLength) {
+                char* buf = (char*) malloc(bufLength);
+                if (buf) {
+                    glGetProgramInfoLog(program, bufLength, NULL, buf);
+                    printf("Program link log:\n%s\n", buf);
+                    free(buf);
+                    FAIL();
+                }
+            }
+            glDeleteProgram(program);
+            program = 0;
+        }
+    }
+    glDeleteShader(vertexShader);
+    glDeleteShader(fragmentShader);
+    ASSERT_TRUE(program != 0);
+    *outPgm = program;
+}
+
+} // namespace android
diff --git a/libs/gui/tests/GLTest.h b/libs/gui/tests/GLTest.h
new file mode 100644
index 0000000..d3c4a95
--- /dev/null
+++ b/libs/gui/tests/GLTest.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 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_GL_TEST_H
+#define ANDROID_GL_TEST_H
+
+#include <gtest/gtest.h>
+
+#include <gui/SurfaceComposerClient.h>
+
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+
+namespace android {
+
+class GLTest : public ::testing::Test {
+public:
+    static void loadShader(GLenum shaderType, const char* pSource,
+            GLuint* outShader);
+    static void createProgram(const char* pVertexSource,
+            const char* pFragmentSource, GLuint* outPgm);
+
+protected:
+    GLTest() :
+            mEglDisplay(EGL_NO_DISPLAY),
+            mEglSurface(EGL_NO_SURFACE),
+            mEglContext(EGL_NO_CONTEXT) {
+    }
+
+    virtual void SetUp();
+    virtual void TearDown();
+
+    virtual EGLint const* getConfigAttribs();
+    virtual EGLint const* getContextAttribs();
+    virtual EGLint getSurfaceWidth();
+    virtual EGLint getSurfaceHeight();
+    virtual EGLSurface createWindowSurface(EGLDisplay display, EGLConfig config,
+                                           sp<ANativeWindow>& window) const;
+
+    ::testing::AssertionResult checkPixel(int x, int y,
+            int r, int g, int b, int a, int tolerance = 2);
+    ::testing::AssertionResult assertRectEq(const Rect &r1, const Rect &r2,
+            int tolerance = 1);
+
+    int mDisplaySecs;
+    sp<SurfaceComposerClient> mComposerClient;
+    sp<SurfaceControl> mSurfaceControl;
+
+    EGLDisplay mEglDisplay;
+    EGLSurface mEglSurface;
+    EGLContext mEglContext;
+    EGLConfig  mGlConfig;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/IGraphicBufferProducer_test.cpp b/libs/gui/tests/IGraphicBufferProducer_test.cpp
new file mode 100644
index 0000000..d16177b
--- /dev/null
+++ b/libs/gui/tests/IGraphicBufferProducer_test.cpp
@@ -0,0 +1,568 @@
+/*
+ * 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 LOG_TAG "IGraphicBufferProducer_test"
+//#define LOG_NDEBUG 0
+
+#include <gtest/gtest.h>
+
+#include <utils/String8.h>
+#include <utils/threads.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/FramebufferNativeWindow.h>
+
+#include <gui/BufferQueue.h>
+
+#include <vector>
+
+#define ASSERT_OK(x) ASSERT_EQ(OK, (x))
+#define EXPECT_OK(x) EXPECT_EQ(OK, (x))
+
+#define TEST_TOKEN ((IBinder*)(NULL))
+#define TEST_API NATIVE_WINDOW_API_CPU
+#define TEST_API_OTHER NATIVE_WINDOW_API_EGL // valid API that's not TEST_API
+#define TEST_CONTROLLED_BY_APP false
+#define TEST_PRODUCER_USAGE_BITS (0)
+
+// TODO: Make these public constants in a header
+enum {
+    // Default dimensions before setDefaultBufferSize is called
+    DEFAULT_WIDTH = 1,
+    DEFAULT_HEIGHT = 1,
+
+    // Default format before setDefaultBufferFormat is called
+    DEFAULT_FORMAT = HAL_PIXEL_FORMAT_RGBA_8888,
+
+    // Default transform hint before setTransformHint is called
+    DEFAULT_TRANSFORM_HINT = 0,
+};
+
+namespace android {
+
+namespace {
+// Parameters for a generic "valid" input for queueBuffer.
+const int64_t QUEUE_BUFFER_INPUT_TIMESTAMP = 1384888611;
+const bool QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP = false;
+const Rect QUEUE_BUFFER_INPUT_RECT = Rect(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+const int QUEUE_BUFFER_INPUT_SCALING_MODE = 0;
+const int QUEUE_BUFFER_INPUT_TRANSFORM = 0;
+const bool QUEUE_BUFFER_INPUT_ASYNC = false;
+const sp<Fence> QUEUE_BUFFER_INPUT_FENCE = Fence::NO_FENCE;
+}; // namespace anonymous
+
+struct DummyConsumer : public BnConsumerListener {
+    virtual void onFrameAvailable() {}
+    virtual void onBuffersReleased() {}
+};
+
+class IGraphicBufferProducerTest : public ::testing::Test {
+protected:
+
+    IGraphicBufferProducerTest() {}
+
+    virtual void SetUp() {
+        const ::testing::TestInfo* const testInfo =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+        ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
+                testInfo->name());
+
+        mBQ = new BufferQueue();
+        mDC = new DummyConsumer;
+
+        mProducer = mBQ;
+        mConsumer = mBQ;
+
+        // Test check: Can't connect producer if no consumer yet
+        ASSERT_EQ(NO_INIT, TryConnectProducer());
+
+        // Must connect consumer before producer connects will succeed.
+        ASSERT_OK(mConsumer->consumerConnect(mDC, /*controlledByApp*/false));
+    }
+
+    virtual void TearDown() {
+        const ::testing::TestInfo* const testInfo =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+        ALOGV("End test:   %s.%s", testInfo->test_case_name(),
+                testInfo->name());
+    }
+
+    status_t TryConnectProducer() {
+        IGraphicBufferProducer::QueueBufferOutput output;
+        return mProducer->connect(TEST_TOKEN,
+                                  TEST_API,
+                                  TEST_CONTROLLED_BY_APP,
+                                  &output);
+        // TODO: use params to vary token, api, producercontrolledbyapp, etc
+    }
+
+    // Connect to a producer in a 'correct' fashion.
+    //   Precondition: Consumer is connected.
+    void ConnectProducer() {
+        ASSERT_OK(TryConnectProducer());
+    }
+
+    // Create a generic "valid" input for queueBuffer
+    // -- uses the default buffer format, width, etc.
+    static IGraphicBufferProducer::QueueBufferInput CreateBufferInput() {
+        return QueueBufferInputBuilder().build();
+    }
+
+    // Builder pattern to slightly vary *almost* correct input
+    // -- avoids copying and pasting
+    struct QueueBufferInputBuilder {
+        QueueBufferInputBuilder() {
+           timestamp = QUEUE_BUFFER_INPUT_TIMESTAMP;
+           isAutoTimestamp = QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP;
+           crop = QUEUE_BUFFER_INPUT_RECT;
+           scalingMode = QUEUE_BUFFER_INPUT_SCALING_MODE;
+           transform = QUEUE_BUFFER_INPUT_TRANSFORM;
+           async = QUEUE_BUFFER_INPUT_ASYNC;
+           fence = QUEUE_BUFFER_INPUT_FENCE;
+        }
+
+        IGraphicBufferProducer::QueueBufferInput build() {
+            return IGraphicBufferProducer::QueueBufferInput(
+                    timestamp,
+                    isAutoTimestamp,
+                    crop,
+                    scalingMode,
+                    transform,
+                    async,
+                    fence);
+        }
+
+        QueueBufferInputBuilder& setTimestamp(int64_t timestamp) {
+            this->timestamp = timestamp;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setIsAutoTimestamp(bool isAutoTimestamp) {
+            this->isAutoTimestamp = isAutoTimestamp;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setCrop(Rect crop) {
+            this->crop = crop;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setScalingMode(int scalingMode) {
+            this->scalingMode = scalingMode;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setTransform(uint32_t transform) {
+            this->transform = transform;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setAsync(bool async) {
+            this->async = async;
+            return *this;
+        }
+
+        QueueBufferInputBuilder& setFence(sp<Fence> fence) {
+            this->fence = fence;
+            return *this;
+        }
+
+    private:
+        int64_t timestamp;
+        bool isAutoTimestamp;
+        Rect crop;
+        int scalingMode;
+        uint32_t transform;
+        int async;
+        sp<Fence> fence;
+    }; // struct QueueBufferInputBuilder
+
+    // To easily store dequeueBuffer results into containers
+    struct DequeueBufferResult {
+        int slot;
+        sp<Fence> fence;
+    };
+
+    status_t dequeueBuffer(bool async, uint32_t w, uint32_t h, uint32_t format, uint32_t usage, DequeueBufferResult* result) {
+        return mProducer->dequeueBuffer(&result->slot, &result->fence, async, w, h, format, usage);
+    }
+
+private: // hide from test body
+    sp<BufferQueue> mBQ;
+    sp<DummyConsumer> mDC;
+
+protected: // accessible from test body
+    sp<IGraphicBufferProducer> mProducer;
+    sp<IGraphicBufferConsumer> mConsumer;
+};
+
+TEST_F(IGraphicBufferProducerTest, ConnectFirst_ReturnsError) {
+    IGraphicBufferProducer::QueueBufferOutput output;
+
+    // NULL output returns BAD_VALUE
+    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
+                                            TEST_API,
+                                            TEST_CONTROLLED_BY_APP,
+                                            /*output*/NULL));
+
+    // Invalid API returns bad value
+    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
+                                            /*api*/0xDEADBEEF,
+                                            TEST_CONTROLLED_BY_APP,
+                                            &output));
+
+    // TODO: get a token from a dead process somehow
+}
+
+TEST_F(IGraphicBufferProducerTest, ConnectAgain_ReturnsError) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    // Can't connect when there is already a producer connected
+    IGraphicBufferProducer::QueueBufferOutput output;
+    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
+                                            TEST_API,
+                                            TEST_CONTROLLED_BY_APP,
+                                            &output));
+
+    ASSERT_OK(mConsumer->consumerDisconnect());
+    // Can't connect when IGBP is abandoned
+    EXPECT_EQ(NO_INIT, mProducer->connect(TEST_TOKEN,
+                                          TEST_API,
+                                          TEST_CONTROLLED_BY_APP,
+                                          &output));
+}
+
+TEST_F(IGraphicBufferProducerTest, Disconnect_Succeeds) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    ASSERT_OK(mProducer->disconnect(TEST_API));
+}
+
+
+TEST_F(IGraphicBufferProducerTest, Disconnect_ReturnsError) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    // Must disconnect with same API number
+    ASSERT_EQ(BAD_VALUE, mProducer->disconnect(TEST_API_OTHER));
+    // API must not be out of range
+    ASSERT_EQ(BAD_VALUE, mProducer->disconnect(/*api*/0xDEADBEEF));
+
+    // TODO: somehow kill mProducer so that this returns DEAD_OBJECT
+}
+
+TEST_F(IGraphicBufferProducerTest, Query_Succeeds) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    // TODO: Make these constants in header
+    const int DEFAULT_CONSUMER_USAGE_BITS = 0;
+
+    int value = -1;
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_WIDTH, &value));
+    EXPECT_EQ(DEFAULT_WIDTH, value);
+
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_HEIGHT, &value));
+    EXPECT_EQ(DEFAULT_HEIGHT, value);
+
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_FORMAT, &value));
+    EXPECT_EQ(DEFAULT_FORMAT, value);
+
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &value));
+    EXPECT_LE(0, value);
+    EXPECT_GE(BufferQueue::NUM_BUFFER_SLOTS, value);
+
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &value));
+    EXPECT_FALSE(value); // Can't run behind when we haven't touched the queue
+
+    EXPECT_OK(mProducer->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &value));
+    EXPECT_EQ(DEFAULT_CONSUMER_USAGE_BITS, value);
+
+}
+
+TEST_F(IGraphicBufferProducerTest, Query_ReturnsError) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    // One past the end of the last 'query' enum value. Update this if we add more enums.
+    const int NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE = NATIVE_WINDOW_CONSUMER_USAGE_BITS + 1;
+
+    int value;
+    // What was out of range
+    EXPECT_EQ(BAD_VALUE, mProducer->query(/*what*/-1, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(/*what*/0xDEADBEEF, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE, &value));
+
+    // Some enums from window.h are 'invalid'
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_CONCRETE_TYPE, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_DEFAULT_WIDTH, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_DEFAULT_HEIGHT, &value));
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_TRANSFORM_HINT, &value));
+    // TODO: Consider documented the above enums as unsupported or make a new enum for IGBP
+
+    // Value was NULL
+    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_FORMAT, /*value*/NULL));
+
+    ASSERT_OK(mConsumer->consumerDisconnect());
+
+    // BQ was abandoned
+    EXPECT_EQ(NO_INIT, mProducer->query(NATIVE_WINDOW_FORMAT, &value));
+
+    // TODO: other things in window.h that are supported by Surface::query
+    // but not by BufferQueue::query
+}
+
+// TODO: queue under more complicated situations not involving just a single buffer
+TEST_F(IGraphicBufferProducerTest, Queue_Succeeds) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    int dequeuedSlot = -1;
+    sp<Fence> dequeuedFence;
+
+    // XX: OK to assume first call returns this flag or not? Not really documented.
+    ASSERT_EQ(OK | IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION,
+            mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
+                                     QUEUE_BUFFER_INPUT_ASYNC,
+                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                                     TEST_PRODUCER_USAGE_BITS));
+
+    EXPECT_LE(0, dequeuedSlot);
+    EXPECT_GT(BufferQueue::NUM_BUFFER_SLOTS, dequeuedSlot);
+
+    // Request the buffer (pre-requisite for queueing)
+    sp<GraphicBuffer> dequeuedBuffer;
+    ASSERT_OK(mProducer->requestBuffer(dequeuedSlot, &dequeuedBuffer));
+
+    // A generic "valid" input
+    IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
+    IGraphicBufferProducer::QueueBufferOutput output;
+
+    // Queue the buffer back into the BQ
+    ASSERT_OK(mProducer->queueBuffer(dequeuedSlot, input, &output));
+
+    {
+        uint32_t width;
+        uint32_t height;
+        uint32_t transformHint;
+        uint32_t numPendingBuffers;
+
+        output.deflate(&width, &height, &transformHint, &numPendingBuffers);
+
+        EXPECT_EQ(DEFAULT_WIDTH, width);
+        EXPECT_EQ(DEFAULT_HEIGHT, height);
+        EXPECT_EQ(DEFAULT_TRANSFORM_HINT, transformHint);
+        EXPECT_EQ(1, numPendingBuffers); // since queueBuffer was called exactly once
+    }
+
+    // Buffer was not in the dequeued state
+    EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+}
+
+TEST_F(IGraphicBufferProducerTest, Queue_ReturnsError) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    // Invalid slot number
+    {
+        // A generic "valid" input
+        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/-1, input, &output));
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/0xDEADBEEF, input, &output));
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(BufferQueue::NUM_BUFFER_SLOTS,
+                                                    input, &output));
+    }
+
+    // Slot was not in the dequeued state (all slots start out in Free state)
+    {
+        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/0, input, &output));
+    }
+
+    // Put the slot into the "dequeued" state for the rest of the test
+    int dequeuedSlot = -1;
+    sp<Fence> dequeuedFence;
+
+    ASSERT_EQ(OK | IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION,
+            mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
+                                     QUEUE_BUFFER_INPUT_ASYNC,
+                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                                     TEST_PRODUCER_USAGE_BITS));
+
+    // Slot was enqueued without requesting a buffer
+    {
+        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+    }
+
+    // Request the buffer so that the rest of the tests don't fail on earlier checks.
+    sp<GraphicBuffer> dequeuedBuffer;
+    ASSERT_OK(mProducer->requestBuffer(dequeuedSlot, &dequeuedBuffer));
+
+    // Fence was NULL
+    {
+        sp<Fence> nullFence = NULL;
+
+        IGraphicBufferProducer::QueueBufferInput input =
+                QueueBufferInputBuilder().setFence(nullFence).build();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+    }
+
+    // Scaling mode was unknown
+    {
+        IGraphicBufferProducer::QueueBufferInput input =
+                QueueBufferInputBuilder().setScalingMode(-1).build();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+
+        input = QueueBufferInputBuilder().setScalingMode(0xDEADBEEF).build();
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+    }
+
+    // Crop rect is out of bounds of the buffer dimensions
+    {
+        IGraphicBufferProducer::QueueBufferInput input =
+                QueueBufferInputBuilder().setCrop(Rect(DEFAULT_WIDTH + 1, DEFAULT_HEIGHT + 1))
+                .build();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
+    }
+
+    // Abandon the buffer queue so that the last test fails
+    ASSERT_OK(mConsumer->consumerDisconnect());
+
+    // The buffer queue has been abandoned.
+    {
+        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
+        IGraphicBufferProducer::QueueBufferOutput output;
+
+        EXPECT_EQ(NO_INIT, mProducer->queueBuffer(dequeuedSlot, input, &output));
+    }
+}
+
+TEST_F(IGraphicBufferProducerTest, CancelBuffer_DoesntCrash) {
+    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
+
+    int dequeuedSlot = -1;
+    sp<Fence> dequeuedFence;
+
+    ASSERT_EQ(OK | IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION,
+            mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
+                                     QUEUE_BUFFER_INPUT_ASYNC,
+                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                                     TEST_PRODUCER_USAGE_BITS));
+
+    // No return code, but at least test that it doesn't blow up...
+    // TODO: add a return code
+    mProducer->cancelBuffer(dequeuedSlot, dequeuedFence);
+}
+
+TEST_F(IGraphicBufferProducerTest, SetBufferCount_Succeeds) {
+
+    // The producer does not wish to set a buffer count
+    EXPECT_OK(mProducer->setBufferCount(0)) << "bufferCount: " << 0;
+    // TODO: how to test "0" buffer count?
+
+    int minBuffers;
+    ASSERT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minBuffers));
+
+    // The MIN_UNDEQUEUED_BUFFERS limit is exclusive, so need to increment by at least 1
+    minBuffers++;
+
+    ASSERT_OK(mProducer->setBufferCount(minBuffers)) << "bufferCount: " << minBuffers;
+
+    std::vector<DequeueBufferResult> dequeueList;
+
+    // Should now be able to dequeue up to minBuffers times
+    for (int i = 0; i < minBuffers; ++i) {
+        DequeueBufferResult result;
+
+        EXPECT_LE(OK,
+                dequeueBuffer(QUEUE_BUFFER_INPUT_ASYNC,
+                              DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                              TEST_PRODUCER_USAGE_BITS, &result))
+                << "iteration: " << i << ", slot: " << result.slot;
+
+        dequeueList.push_back(result);
+    }
+
+    // Cancel every buffer, so we can set buffer count again
+    for (int i = 0; i < minBuffers; ++i) {
+        DequeueBufferResult& result = dequeueList[i];
+        mProducer->cancelBuffer(result.slot, result.fence);
+    }
+
+    ASSERT_OK(mProducer->setBufferCount(BufferQueue::NUM_BUFFER_SLOTS));
+
+    // Should now be able to dequeue up to NUM_BUFFER_SLOTS times
+    for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; ++i) {
+        int dequeuedSlot = -1;
+        sp<Fence> dequeuedFence;
+
+        EXPECT_LE(OK,
+                mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
+                                         QUEUE_BUFFER_INPUT_ASYNC,
+                                         DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                                         TEST_PRODUCER_USAGE_BITS))
+                << "iteration: " << i << ", slot: " << dequeuedSlot;
+    }
+}
+
+TEST_F(IGraphicBufferProducerTest, SetBufferCount_Fails) {
+    int minBuffers;
+    ASSERT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minBuffers));
+
+    // The MIN_UNDEQUEUED_BUFFERS limit is exclusive, so need to increment by at least 1
+    minBuffers++;
+
+    // Buffer count was out of range
+    EXPECT_EQ(BAD_VALUE, mProducer->setBufferCount(-1)) << "bufferCount: " << -1;
+    EXPECT_EQ(BAD_VALUE, mProducer->setBufferCount(minBuffers - 1)) << "bufferCount: " << minBuffers - 1;
+    EXPECT_EQ(BAD_VALUE, mProducer->setBufferCount(BufferQueue::NUM_BUFFER_SLOTS + 1))
+            << "bufferCount: " << BufferQueue::NUM_BUFFER_SLOTS + 1;
+
+    // Pre-requisite to fail out a valid setBufferCount call
+    {
+        int dequeuedSlot = -1;
+        sp<Fence> dequeuedFence;
+
+        ASSERT_LE(OK,
+                mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
+                                         QUEUE_BUFFER_INPUT_ASYNC,
+                                         DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
+                                         TEST_PRODUCER_USAGE_BITS))
+                << "slot: " << dequeuedSlot;
+    }
+
+    // Client has one or more buffers dequeued
+    EXPECT_EQ(BAD_VALUE, mProducer->setBufferCount(minBuffers)) << "bufferCount: " << minBuffers;
+
+    // Abandon buffer queue
+    ASSERT_OK(mConsumer->consumerDisconnect());
+
+    // Fail because the buffer queue was abandoned
+    EXPECT_EQ(NO_INIT, mProducer->setBufferCount(minBuffers)) << "bufferCount: " << minBuffers;
+
+}
+
+} // namespace android
diff --git a/libs/gui/tests/MultiTextureConsumer_test.cpp b/libs/gui/tests/MultiTextureConsumer_test.cpp
new file mode 100644
index 0000000..853c25c
--- /dev/null
+++ b/libs/gui/tests/MultiTextureConsumer_test.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright 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 LOG_TAG "MultiTextureConsumer_test"
+//#define LOG_NDEBUG 0
+
+#include "GLTest.h"
+
+#include <gui/GLConsumer.h>
+#include <gui/Surface.h>
+
+#include <android/native_window.h>
+
+#include <GLES/glext.h>
+
+namespace android {
+
+class MultiTextureConsumerTest : public GLTest {
+protected:
+    enum { TEX_ID = 123 };
+
+    virtual void SetUp() {
+        GLTest::SetUp();
+        sp<BufferQueue> bq = new BufferQueue();
+        mGlConsumer = new GLConsumer(bq, TEX_ID);
+        mSurface = new Surface(bq);
+        mANW = mSurface.get();
+
+    }
+    virtual void TearDown() {
+        GLTest::TearDown();
+    }
+    virtual EGLint const* getContextAttribs() {
+        return NULL;
+    }
+    virtual EGLint const* getConfigAttribs() {
+        static EGLint sDefaultConfigAttribs[] = {
+            EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
+            EGL_RED_SIZE, 8,
+            EGL_GREEN_SIZE, 8,
+            EGL_BLUE_SIZE, 8,
+            EGL_ALPHA_SIZE, 8,
+            EGL_NONE };
+
+        return sDefaultConfigAttribs;
+    }
+    sp<GLConsumer> mGlConsumer;
+    sp<Surface> mSurface;
+    ANativeWindow* mANW;
+};
+
+TEST_F(MultiTextureConsumerTest, EGLImageTargetWorks) {
+    ANativeWindow_Buffer buffer;
+
+    ASSERT_EQ(native_window_set_usage(mANW, GRALLOC_USAGE_SW_WRITE_OFTEN), NO_ERROR);
+    ASSERT_EQ(native_window_set_buffers_format(mANW, HAL_PIXEL_FORMAT_RGBA_8888), NO_ERROR);
+
+    glShadeModel(GL_FLAT);
+    glDisable(GL_DITHER);
+    glDisable(GL_CULL_FACE);
+    glViewport(0, 0, getSurfaceWidth(), getSurfaceHeight());
+    glOrthof(0, getSurfaceWidth(), 0, getSurfaceHeight(), 0, 1);
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glColor4f(1, 1, 1, 1);
+
+    glBindTexture(GL_TEXTURE_EXTERNAL_OES, TEX_ID);
+    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    uint32_t texel = 0x80808080;
+    glBindTexture(GL_TEXTURE_2D, TEX_ID+1);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &texel);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    glActiveTexture(GL_TEXTURE1);
+    glBindTexture(GL_TEXTURE_2D, TEX_ID+1);
+    glEnable(GL_TEXTURE_2D);
+    glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+    glActiveTexture(GL_TEXTURE0);
+    glBindTexture(GL_TEXTURE_EXTERNAL_OES, TEX_ID);
+    glEnable(GL_TEXTURE_EXTERNAL_OES);
+    glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+    glClear(GL_COLOR_BUFFER_BIT);
+    for (int i=0 ; i<8 ; i++) {
+        mSurface->lock(&buffer, NULL);
+        memset(buffer.bits, (i&7) * 0x20, buffer.stride * buffer.height * 4);
+        mSurface->unlockAndPost();
+
+        mGlConsumer->updateTexImage();
+
+        GLfloat vertices[][2] = { {i*16.0f, 0}, {(i+1)*16.0f, 0}, {(i+1)*16.0f, 16.0f}, {i*16.0f, 16.0f} };
+        glVertexPointer(2, GL_FLOAT, 0, vertices);
+        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    }
+
+    for (int i=0 ; i<8 ; i++) {
+        EXPECT_TRUE(checkPixel(i*16 + 8,  8, i*16, i*16, i*16, i*16, 0));
+    }
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SRGB_test.cpp b/libs/gui/tests/SRGB_test.cpp
new file mode 100644
index 0000000..1077c9d
--- /dev/null
+++ b/libs/gui/tests/SRGB_test.cpp
@@ -0,0 +1,476 @@
+/*
+ * Copyright 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 LOG_TAG "SRGB_test"
+//#define LOG_NDEBUG 0
+
+#include "GLTest.h"
+
+#include <gui/CpuConsumer.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES3/gl3.h>
+
+#include <android/native_window.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+class SRGBTest : public ::testing::Test {
+protected:
+    // Class constants
+    enum {
+        DISPLAY_WIDTH = 512,
+        DISPLAY_HEIGHT = 512,
+        PIXEL_SIZE = 4, // bytes or components
+        DISPLAY_SIZE = DISPLAY_WIDTH * DISPLAY_HEIGHT * PIXEL_SIZE,
+        ALPHA_VALUE = 223, // should be in [0, 255]
+        TOLERANCE = 1,
+    };
+    static const char SHOW_DEBUG_STRING[];
+
+    SRGBTest() :
+            mInputSurface(), mCpuConsumer(), mLockedBuffer(),
+            mEglDisplay(EGL_NO_DISPLAY), mEglConfig(),
+            mEglContext(EGL_NO_CONTEXT), mEglSurface(EGL_NO_SURFACE),
+            mComposerClient(), mSurfaceControl(), mOutputSurface() {
+    }
+
+    virtual ~SRGBTest() {
+        if (mEglDisplay != EGL_NO_DISPLAY) {
+            if (mEglSurface != EGL_NO_SURFACE) {
+                eglDestroySurface(mEglDisplay, mEglSurface);
+            }
+            if (mEglContext != EGL_NO_CONTEXT) {
+                eglDestroyContext(mEglDisplay, mEglContext);
+            }
+            eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+                    EGL_NO_CONTEXT);
+            eglTerminate(mEglDisplay);
+        }
+    }
+
+    virtual void SetUp() {
+        mBufferQueue = new BufferQueue();
+        ASSERT_EQ(NO_ERROR, mBufferQueue->setDefaultBufferSize(
+                DISPLAY_WIDTH, DISPLAY_HEIGHT));
+        mCpuConsumer = new CpuConsumer(mBufferQueue, 1);
+        String8 name("CpuConsumer_for_SRGBTest");
+        mCpuConsumer->setName(name);
+        mInputSurface = new Surface(mBufferQueue);
+
+        ASSERT_NO_FATAL_FAILURE(createEGLSurface(mInputSurface.get()));
+        ASSERT_NO_FATAL_FAILURE(createDebugSurface());
+    }
+
+    virtual void TearDown() {
+        ASSERT_NO_FATAL_FAILURE(copyToDebugSurface());
+        ASSERT_TRUE(mLockedBuffer.data != NULL);
+        ASSERT_EQ(NO_ERROR, mCpuConsumer->unlockBuffer(mLockedBuffer));
+    }
+
+    static float linearToSRGB(float l) {
+        if (l <= 0.0031308f) {
+            return l * 12.92f;
+        } else {
+            return 1.055f * pow(l, (1 / 2.4f)) - 0.055f;
+        }
+    }
+
+    static float srgbToLinear(float s) {
+        if (s <= 0.04045) {
+            return s / 12.92f;
+        } else {
+            return pow(((s + 0.055f) / 1.055f), 2.4f);
+        }
+    }
+
+    static uint8_t srgbToLinear(uint8_t u) {
+        float f = u / 255.0f;
+        return static_cast<uint8_t>(srgbToLinear(f) * 255.0f + 0.5f);
+    }
+
+    void fillTexture(bool writeAsSRGB) {
+        uint8_t* textureData = new uint8_t[DISPLAY_SIZE];
+
+        for (int y = 0; y < DISPLAY_HEIGHT; ++y) {
+            for (int x = 0; x < DISPLAY_WIDTH; ++x) {
+                float realValue = static_cast<float>(x) / (DISPLAY_WIDTH - 1);
+                realValue *= ALPHA_VALUE / 255.0f; // Premultiply by alpha
+                if (writeAsSRGB) {
+                    realValue = linearToSRGB(realValue);
+                }
+
+                int offset = (y * DISPLAY_WIDTH + x) * PIXEL_SIZE;
+                for (int c = 0; c < 3; ++c) {
+                    uint8_t intValue = static_cast<uint8_t>(
+                            realValue * 255.0f + 0.5f);
+                    textureData[offset + c] = intValue;
+                }
+                textureData[offset + 3] = ALPHA_VALUE;
+            }
+        }
+
+        glTexImage2D(GL_TEXTURE_2D, 0, writeAsSRGB ? GL_SRGB8_ALPHA8 : GL_RGBA8,
+                DISPLAY_WIDTH, DISPLAY_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                textureData);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+
+        delete[] textureData;
+    }
+
+    void initShaders() {
+        static const char vertexSource[] =
+            "attribute vec4 vPosition;\n"
+            "varying vec2 texCoords;\n"
+            "void main() {\n"
+            "  texCoords = 0.5 * (vPosition.xy + vec2(1.0, 1.0));\n"
+            "  gl_Position = vPosition;\n"
+            "}\n";
+
+        static const char fragmentSource[] =
+            "precision mediump float;\n"
+            "uniform sampler2D texSampler;\n"
+            "varying vec2 texCoords;\n"
+            "void main() {\n"
+            "  gl_FragColor = texture2D(texSampler, texCoords);\n"
+            "}\n";
+
+        GLuint program;
+        {
+            SCOPED_TRACE("Creating shader program");
+            ASSERT_NO_FATAL_FAILURE(GLTest::createProgram(
+                    vertexSource, fragmentSource, &program));
+        }
+
+        GLint positionHandle = glGetAttribLocation(program, "vPosition");
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        ASSERT_NE(-1, positionHandle);
+
+        GLint samplerHandle = glGetUniformLocation(program, "texSampler");
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        ASSERT_NE(-1, samplerHandle);
+
+        static const GLfloat vertices[] = {
+            -1.0f, 1.0f,
+            -1.0f, -1.0f,
+            1.0f, -1.0f,
+            1.0f, 1.0f,
+        };
+
+        glVertexAttribPointer(positionHandle, 2, GL_FLOAT, GL_FALSE, 0, vertices);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glEnableVertexAttribArray(positionHandle);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+
+        glUseProgram(program);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glUniform1i(samplerHandle, 0);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+
+        GLuint textureHandle;
+        glGenTextures(1, &textureHandle);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glBindTexture(GL_TEXTURE_2D, textureHandle);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+    }
+
+    void drawTexture(bool asSRGB, GLint x, GLint y, GLsizei width,
+            GLsizei height) {
+        ASSERT_NO_FATAL_FAILURE(fillTexture(asSRGB));
+        glViewport(x, y, width, height);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+        ASSERT_EQ(GL_NO_ERROR, glGetError());
+    }
+
+    void checkLockedBuffer(PixelFormat format) {
+        ASSERT_EQ(mLockedBuffer.format, format);
+        ASSERT_EQ(mLockedBuffer.width, DISPLAY_WIDTH);
+        ASSERT_EQ(mLockedBuffer.height, DISPLAY_HEIGHT);
+    }
+
+    static bool withinTolerance(int a, int b) {
+        int diff = a - b;
+        return diff >= 0 ? diff <= TOLERANCE : -diff <= TOLERANCE;
+    }
+
+    // Primary producer and consumer
+    sp<BufferQueue> mBufferQueue;
+    sp<Surface> mInputSurface;
+    sp<CpuConsumer> mCpuConsumer;
+    CpuConsumer::LockedBuffer mLockedBuffer;
+
+    EGLDisplay mEglDisplay;
+    EGLConfig mEglConfig;
+    EGLContext mEglContext;
+    EGLSurface mEglSurface;
+
+    // Auxiliary display output
+    sp<SurfaceComposerClient> mComposerClient;
+    sp<SurfaceControl> mSurfaceControl;
+    sp<Surface> mOutputSurface;
+
+private:
+    void createEGLSurface(Surface* inputSurface) {
+        mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
+
+        EXPECT_TRUE(eglInitialize(mEglDisplay, NULL, NULL));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+        static const EGLint configAttribs[] = {
+            EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+            EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT_KHR,
+            EGL_RED_SIZE, 8,
+            EGL_GREEN_SIZE, 8,
+            EGL_BLUE_SIZE, 8,
+            EGL_ALPHA_SIZE, 8,
+            EGL_NONE };
+
+        EGLint numConfigs = 0;
+        EXPECT_TRUE(eglChooseConfig(mEglDisplay, configAttribs, &mEglConfig, 1,
+                &numConfigs));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_GT(numConfigs, 0);
+
+        static const EGLint contextAttribs[] = {
+            EGL_CONTEXT_CLIENT_VERSION, 3,
+            EGL_NONE } ;
+
+        mEglContext = eglCreateContext(mEglDisplay, mEglConfig, EGL_NO_CONTEXT,
+                contextAttribs);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
+
+        mEglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig,
+                inputSurface, NULL);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
+
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    }
+
+    void createDebugSurface() {
+        if (getenv(SHOW_DEBUG_STRING) == NULL) return;
+
+        mComposerClient = new SurfaceComposerClient;
+        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
+
+        mSurfaceControl = mComposerClient->createSurface(
+                String8("SRGBTest Surface"), DISPLAY_WIDTH, DISPLAY_HEIGHT,
+                PIXEL_FORMAT_RGBA_8888);
+
+        ASSERT_TRUE(mSurfaceControl != NULL);
+        ASSERT_TRUE(mSurfaceControl->isValid());
+
+        SurfaceComposerClient::openGlobalTransaction();
+        ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF));
+        ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
+        SurfaceComposerClient::closeGlobalTransaction();
+
+        ANativeWindow_Buffer outBuffer;
+        ARect inOutDirtyBounds;
+        mOutputSurface = mSurfaceControl->getSurface();
+        mOutputSurface->lock(&outBuffer, &inOutDirtyBounds);
+        uint8_t* bytePointer = reinterpret_cast<uint8_t*>(outBuffer.bits);
+        for (int y = 0; y < outBuffer.height; ++y) {
+            int rowOffset = y * outBuffer.stride; // pixels
+            for (int x = 0; x < outBuffer.width; ++x) {
+                int colOffset = (rowOffset + x) * PIXEL_SIZE; // bytes
+                for (int c = 0; c < PIXEL_SIZE; ++c) {
+                    int offset = colOffset + c;
+                    bytePointer[offset] = ((c + 1) * 56) - 1;
+                }
+            }
+        }
+        mOutputSurface->unlockAndPost();
+    }
+
+    void copyToDebugSurface() {
+        if (!mOutputSurface.get()) return;
+
+        size_t bufferSize = mLockedBuffer.height * mLockedBuffer.stride *
+                PIXEL_SIZE;
+
+        ANativeWindow_Buffer outBuffer;
+        ARect outBufferBounds;
+        mOutputSurface->lock(&outBuffer, &outBufferBounds);
+        ASSERT_EQ(mLockedBuffer.width, outBuffer.width);
+        ASSERT_EQ(mLockedBuffer.height, outBuffer.height);
+        ASSERT_EQ(mLockedBuffer.stride, outBuffer.stride);
+
+        if (mLockedBuffer.format == outBuffer.format) {
+            memcpy(outBuffer.bits, mLockedBuffer.data, bufferSize);
+        } else {
+            ASSERT_EQ(mLockedBuffer.format, PIXEL_FORMAT_sRGB_A_8888);
+            ASSERT_EQ(outBuffer.format, PIXEL_FORMAT_RGBA_8888);
+            uint8_t* outPointer = reinterpret_cast<uint8_t*>(outBuffer.bits);
+            for (int y = 0; y < outBuffer.height; ++y) {
+                int rowOffset = y * outBuffer.stride; // pixels
+                for (int x = 0; x < outBuffer.width; ++x) {
+                    int colOffset = (rowOffset + x) * PIXEL_SIZE; // bytes
+
+                    // RGB are converted
+                    for (int c = 0; c < (PIXEL_SIZE - 1); ++c) {
+                        outPointer[colOffset + c] = srgbToLinear(
+                                mLockedBuffer.data[colOffset + c]);
+                    }
+
+                    // Alpha isn't converted
+                    outPointer[colOffset + 3] =
+                            mLockedBuffer.data[colOffset + 3];
+                }
+            }
+        }
+        mOutputSurface->unlockAndPost();
+
+        int sleepSeconds = atoi(getenv(SHOW_DEBUG_STRING));
+        sleep(sleepSeconds);
+    }
+};
+
+const char SRGBTest::SHOW_DEBUG_STRING[] = "DEBUG_OUTPUT_SECONDS";
+
+TEST_F(SRGBTest, GLRenderFromSRGBTexture) {
+    ASSERT_NO_FATAL_FAILURE(initShaders());
+
+    // The RGB texture is displayed in the top half
+    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, DISPLAY_HEIGHT / 2,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT / 2));
+
+    // The SRGB texture is displayed in the bottom half
+    ASSERT_NO_FATAL_FAILURE(drawTexture(true, 0, 0,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT / 2));
+
+    eglSwapBuffers(mEglDisplay, mEglSurface);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Lock
+    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
+    ASSERT_NO_FATAL_FAILURE(checkLockedBuffer(PIXEL_FORMAT_RGBA_8888));
+
+    // Compare a pixel in the middle of each texture
+    int midSRGBOffset = (DISPLAY_HEIGHT / 4) * mLockedBuffer.stride *
+            PIXEL_SIZE;
+    int midRGBOffset = midSRGBOffset * 3;
+    midRGBOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
+    midSRGBOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
+    for (int c = 0; c < PIXEL_SIZE; ++c) {
+        int expectedValue = mLockedBuffer.data[midRGBOffset + c];
+        int actualValue = mLockedBuffer.data[midSRGBOffset + c];
+        ASSERT_PRED2(withinTolerance, expectedValue, actualValue);
+    }
+
+    // mLockedBuffer is unlocked in TearDown so we can copy data from it to
+    // the debug surface if necessary
+}
+
+TEST_F(SRGBTest, RenderToSRGBSurface) {
+    ASSERT_NO_FATAL_FAILURE(initShaders());
+
+    // By default, the first buffer we write into will be RGB
+
+    // Render an RGB texture across the whole surface
+    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, 0,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT));
+    eglSwapBuffers(mEglDisplay, mEglSurface);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Lock
+    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
+    ASSERT_NO_FATAL_FAILURE(checkLockedBuffer(PIXEL_FORMAT_RGBA_8888));
+
+    // Save the values of the middle pixel for later comparison against SRGB
+    uint8_t values[PIXEL_SIZE] = {};
+    int middleOffset = (DISPLAY_HEIGHT / 2) * mLockedBuffer.stride *
+            PIXEL_SIZE;
+    middleOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
+    for (int c = 0; c < PIXEL_SIZE; ++c) {
+        values[c] = mLockedBuffer.data[middleOffset + c];
+    }
+
+    // Unlock
+    ASSERT_EQ(NO_ERROR, mCpuConsumer->unlockBuffer(mLockedBuffer));
+
+    // Switch to SRGB window surface
+#define EGL_GL_COLORSPACE_KHR      EGL_VG_COLORSPACE
+#define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
+
+    static const int srgbAttribs[] = {
+        EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR,
+        EGL_NONE,
+    };
+
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    mEglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig,
+            mInputSurface.get(), srgbAttribs);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
+
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Render the texture again
+    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, 0,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT));
+    eglSwapBuffers(mEglDisplay, mEglSurface);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Lock
+    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
+
+    // Make sure we actually got the SRGB buffer on the consumer side
+    ASSERT_NO_FATAL_FAILURE(checkLockedBuffer(PIXEL_FORMAT_sRGB_A_8888));
+
+    // Verify that the stored value is the same, accounting for RGB/SRGB
+    for (int c = 0; c < PIXEL_SIZE; ++c) {
+        // The alpha value should be equivalent before linear->SRGB
+        float rgbAsSRGB = (c == 3) ? values[c] / 255.0f :
+                linearToSRGB(values[c] / 255.0f);
+        int expectedValue = rgbAsSRGB * 255.0f + 0.5f;
+        int actualValue = mLockedBuffer.data[middleOffset + c];
+        ASSERT_PRED2(withinTolerance, expectedValue, actualValue);
+    }
+
+    // mLockedBuffer is unlocked in TearDown so we can copy data from it to
+    // the debug surface if necessary
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTextureFBO.h b/libs/gui/tests/SurfaceTextureFBO.h
new file mode 100644
index 0000000..7f1ae84
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureFBO.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright 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_SURFACE_TEXTURE_FBO_H
+#define ANDROID_SURFACE_TEXTURE_FBO_H
+
+#include "SurfaceTextureGL.h"
+
+#include <GLES2/gl2.h>
+
+namespace android {
+
+class SurfaceTextureFBOTest : public SurfaceTextureGLTest {
+protected:
+    virtual void SetUp() {
+        SurfaceTextureGLTest::SetUp();
+
+        glGenFramebuffers(1, &mFbo);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+        glGenTextures(1, &mFboTex);
+        glBindTexture(GL_TEXTURE_2D, mFboTex);
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSurfaceWidth(),
+                getSurfaceHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+        glBindTexture(GL_TEXTURE_2D, 0);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+        glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
+        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+                GL_TEXTURE_2D, mFboTex, 0);
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    }
+
+    virtual void TearDown() {
+        SurfaceTextureGLTest::TearDown();
+
+        glDeleteTextures(1, &mFboTex);
+        glDeleteFramebuffers(1, &mFbo);
+    }
+
+    GLuint mFbo;
+    GLuint mFboTex;
+};
+
+void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride,
+        uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
+    const size_t PIXEL_SIZE = 4;
+    for (int y = 0; y < h; y++) {
+        for (int x = 0; x < w; x++) {
+            off_t offset = (y * stride + x) * PIXEL_SIZE;
+            buf[offset + 0] = r;
+            buf[offset + 1] = g;
+            buf[offset + 2] = b;
+            buf[offset + 3] = a;
+        }
+    }
+}
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/SurfaceTextureFBO_test.cpp b/libs/gui/tests/SurfaceTextureFBO_test.cpp
new file mode 100644
index 0000000..b165ae6
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureFBO_test.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright 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 LOG_TAG "SurfaceTextureFBO_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureFBO.h"
+
+namespace android {
+
+// This test is intended to verify that proper synchronization is done when
+// rendering into an FBO.
+TEST_F(SurfaceTextureFBOTest, BlitFromCpuFilledBufferToFbo) {
+    const int texWidth = 64;
+    const int texHeight = 64;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    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;
+    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    ASSERT_TRUE(anb != NULL);
+
+    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+    // Fill the buffer with green
+    uint8_t* img = NULL;
+    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
+    fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 0, 255,
+            0, 255);
+    buf->unlock();
+    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
+            -1));
+
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
+    drawTexture();
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+    for (int i = 0; i < 4; i++) {
+        SCOPED_TRACE(String8::format("frame %d", i).string());
+
+        ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+                &anb));
+        ASSERT_TRUE(anb != NULL);
+
+        buf = new GraphicBuffer(anb, false);
+
+        // Fill the buffer with red
+        ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
+                (void**)(&img)));
+        fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 255, 0,
+                0, 255);
+        ASSERT_EQ(NO_ERROR, buf->unlock());
+        ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
+                buf->getNativeBuffer(), -1));
+
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+        drawTexture();
+
+        EXPECT_TRUE(checkPixel( 24, 39, 255, 0, 0, 255));
+    }
+
+    glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
+
+    EXPECT_TRUE(checkPixel( 24, 39, 0, 255, 0, 255));
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTextureGL.h b/libs/gui/tests/SurfaceTextureGL.h
new file mode 100644
index 0000000..ac112c4
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGL.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 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_SURFACE_TEXTURE_GL_H
+#define ANDROID_SURFACE_TEXTURE_GL_H
+
+#include "GLTest.h"
+
+#include "FrameWaiter.h"
+#include "TextureRenderer.h"
+
+#include <gui/GLConsumer.h>
+#include <gui/Surface.h>
+
+namespace android {
+
+class FrameWaiter;
+class GLConsumer;
+class TextureRenderer;
+
+class SurfaceTextureGLTest : public GLTest {
+protected:
+    enum { TEX_ID = 123 };
+
+    void SetUp() {
+        GLTest::SetUp();
+        sp<BufferQueue> bq = new BufferQueue();
+        mBQ = bq;
+        mST = new GLConsumer(bq, TEX_ID);
+        mSTC = new Surface(bq);
+        mANW = mSTC;
+        mTextureRenderer = new TextureRenderer(TEX_ID, mST);
+        ASSERT_NO_FATAL_FAILURE(mTextureRenderer->SetUp());
+        mFW = new FrameWaiter;
+        mST->setFrameAvailableListener(mFW);
+    }
+
+    void TearDown() {
+        mTextureRenderer.clear();
+        mANW.clear();
+        mSTC.clear();
+        mST.clear();
+        GLTest::TearDown();
+    }
+
+    void drawTexture() {
+        mTextureRenderer->drawTexture();
+    }
+
+    sp<BufferQueue> mBQ;
+    sp<GLConsumer> mST;
+    sp<Surface> mSTC;
+    sp<ANativeWindow> mANW;
+    sp<TextureRenderer> mTextureRenderer;
+    sp<FrameWaiter> mFW;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/SurfaceTextureGLThreadToGL.h b/libs/gui/tests/SurfaceTextureGLThreadToGL.h
new file mode 100644
index 0000000..6410516
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGLThreadToGL.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright 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_SURFACE_TEXTURE_GL_THREAD_TO_GL_H
+#define ANDROID_SURFACE_TEXTURE_GL_THREAD_TO_GL_H
+
+#include "SurfaceTextureGLToGL.h"
+
+namespace android {
+
+/*
+ * This test fixture is for testing GL -> GL texture streaming from one thread
+ * to another.  It contains functionality to create a producer thread that will
+ * perform GL rendering to an ANativeWindow that feeds frames to a
+ * GLConsumer.  Additionally it supports interlocking the producer and
+ * consumer threads so that a specific sequence of calls can be
+ * deterministically created by the test.
+ *
+ * The intended usage is as follows:
+ *
+ * TEST_F(...) {
+ *     class PT : public ProducerThread {
+ *         virtual void render() {
+ *             ...
+ *             swapBuffers();
+ *         }
+ *     };
+ *
+ *     runProducerThread(new PT());
+ *
+ *     // The order of these calls will vary from test to test and may include
+ *     // multiple frames and additional operations (e.g. GL rendering from the
+ *     // texture).
+ *     fc->waitForFrame();
+ *     mST->updateTexImage();
+ *     fc->finishFrame();
+ * }
+ *
+ */
+class SurfaceTextureGLThreadToGLTest : public SurfaceTextureGLToGLTest {
+protected:
+
+    // ProducerThread is an abstract base class to simplify the creation of
+    // OpenGL ES frame producer threads.
+    class ProducerThread : public Thread {
+    public:
+        virtual ~ProducerThread() {
+        }
+
+        void setEglObjects(EGLDisplay producerEglDisplay,
+                EGLSurface producerEglSurface,
+                EGLContext producerEglContext) {
+            mProducerEglDisplay = producerEglDisplay;
+            mProducerEglSurface = producerEglSurface;
+            mProducerEglContext = producerEglContext;
+        }
+
+        virtual bool threadLoop() {
+            eglMakeCurrent(mProducerEglDisplay, mProducerEglSurface,
+                    mProducerEglSurface, mProducerEglContext);
+            render();
+            eglMakeCurrent(mProducerEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+                    EGL_NO_CONTEXT);
+            return false;
+        }
+
+    protected:
+        virtual void render() = 0;
+
+        void swapBuffers() {
+            eglSwapBuffers(mProducerEglDisplay, mProducerEglSurface);
+        }
+
+        EGLDisplay mProducerEglDisplay;
+        EGLSurface mProducerEglSurface;
+        EGLContext mProducerEglContext;
+    };
+
+    // FrameCondition is a utility class for interlocking between the producer
+    // and consumer threads.  The FrameCondition object should be created and
+    // destroyed in the consumer thread only.  The consumer thread should set
+    // the FrameCondition as the FrameAvailableListener of the GLConsumer,
+    // and should call both waitForFrame and finishFrame once for each expected
+    // frame.
+    //
+    // This interlocking relies on the fact that onFrameAvailable gets called
+    // synchronously from GLConsumer::queueBuffer.
+    class FrameCondition : public GLConsumer::FrameAvailableListener {
+    public:
+        FrameCondition():
+                mFrameAvailable(false),
+                mFrameFinished(false) {
+        }
+
+        // waitForFrame waits for the next frame to arrive.  This should be
+        // called from the consumer thread once for every frame expected by the
+        // test.
+        void waitForFrame() {
+            Mutex::Autolock lock(mMutex);
+            ALOGV("+waitForFrame");
+            while (!mFrameAvailable) {
+                mFrameAvailableCondition.wait(mMutex);
+            }
+            mFrameAvailable = false;
+            ALOGV("-waitForFrame");
+        }
+
+        // Allow the producer to return from its swapBuffers call and continue
+        // on to produce the next frame.  This should be called by the consumer
+        // thread once for every frame expected by the test.
+        void finishFrame() {
+            Mutex::Autolock lock(mMutex);
+            ALOGV("+finishFrame");
+            mFrameFinished = true;
+            mFrameFinishCondition.signal();
+            ALOGV("-finishFrame");
+        }
+
+        // This should be called by GLConsumer on the producer thread.
+        virtual void onFrameAvailable() {
+            Mutex::Autolock lock(mMutex);
+            ALOGV("+onFrameAvailable");
+            mFrameAvailable = true;
+            mFrameAvailableCondition.signal();
+            while (!mFrameFinished) {
+                mFrameFinishCondition.wait(mMutex);
+            }
+            mFrameFinished = false;
+            ALOGV("-onFrameAvailable");
+        }
+
+    protected:
+        bool mFrameAvailable;
+        bool mFrameFinished;
+
+        Mutex mMutex;
+        Condition mFrameAvailableCondition;
+        Condition mFrameFinishCondition;
+    };
+
+    virtual void SetUp() {
+        SurfaceTextureGLToGLTest::SetUp();
+        mFC = new FrameCondition();
+        mST->setFrameAvailableListener(mFC);
+    }
+
+    virtual void TearDown() {
+        if (mProducerThread != NULL) {
+            mProducerThread->requestExitAndWait();
+        }
+        mProducerThread.clear();
+        mFC.clear();
+        SurfaceTextureGLToGLTest::TearDown();
+    }
+
+    void runProducerThread(const sp<ProducerThread> producerThread) {
+        ASSERT_TRUE(mProducerThread == NULL);
+        mProducerThread = producerThread;
+        producerThread->setEglObjects(mEglDisplay, mProducerEglSurface,
+                mProducerEglContext);
+        producerThread->run();
+    }
+
+    sp<ProducerThread> mProducerThread;
+    sp<FrameCondition> mFC;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp b/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp
new file mode 100644
index 0000000..9776733
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp
@@ -0,0 +1,186 @@
+/*
+ * Copyright 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 LOG_TAG "SurfaceTextureGLThreadToGL_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureGLThreadToGL.h"
+
+namespace android {
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        UpdateTexImageBeforeFrameFinishedCompletes) {
+    class PT : public ProducerThread {
+        virtual void render() {
+            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            swapBuffers();
+        }
+    };
+
+    runProducerThread(new PT());
+
+    mFC->waitForFrame();
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    mFC->finishFrame();
+
+    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        UpdateTexImageAfterFrameFinishedCompletes) {
+    class PT : public ProducerThread {
+        virtual void render() {
+            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            swapBuffers();
+        }
+    };
+
+    runProducerThread(new PT());
+
+    mFC->waitForFrame();
+    mFC->finishFrame();
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        RepeatedUpdateTexImageBeforeFrameFinishedCompletes) {
+    enum { NUM_ITERATIONS = 1024 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    runProducerThread(new PT());
+
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        mFC->waitForFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+        mFC->finishFrame();
+
+        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+    }
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        RepeatedUpdateTexImageAfterFrameFinishedCompletes) {
+    enum { NUM_ITERATIONS = 1024 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    runProducerThread(new PT());
+
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        mFC->waitForFrame();
+        mFC->finishFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+
+        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+    }
+}
+
+// XXX: This test is disabled because it is currently hanging on some devices.
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        DISABLED_RepeatedSwapBuffersWhileDequeueStalledCompletes) {
+    enum { NUM_ITERATIONS = 64 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
+
+    runProducerThread(new PT());
+
+    // Allow three frames to be rendered and queued before starting the
+    // rendering in this thread.  For the latter two frames we don't call
+    // updateTexImage so the next dequeue from the producer thread will block
+    // waiting for a frame to become available.
+    mFC->waitForFrame();
+    mFC->finishFrame();
+
+    // We must call updateTexImage to consume the first frame so that the
+    // SurfaceTexture is able to reduce the buffer count to 2.  This is because
+    // the GL driver may dequeue a buffer when the EGLSurface is created, and
+    // that happens before we call setDefaultMaxBufferCount.  It's possible that the
+    // driver does not dequeue a buffer at EGLSurface creation time, so we
+    // cannot rely on this to cause the second dequeueBuffer call to block.
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    mFC->waitForFrame();
+    mFC->finishFrame();
+    mFC->waitForFrame();
+    mFC->finishFrame();
+
+    // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
+    // block waiting for a buffer to become available.
+    usleep(100000);
+
+    // Render and present a number of images.  This thread should not be blocked
+    // by the fact that the producer thread is blocking in dequeue.
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        glClear(GL_COLOR_BUFFER_BIT);
+        eglSwapBuffers(mEglDisplay, mEglSurface);
+    }
+
+    // Consume the two pending buffers to unblock the producer thread.
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // Consume the remaining buffers from the producer thread.
+    for (int i = 0; i < NUM_ITERATIONS-3; i++) {
+        mFC->waitForFrame();
+        mFC->finishFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+    }
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTextureGLToGL.h b/libs/gui/tests/SurfaceTextureGLToGL.h
new file mode 100644
index 0000000..5a2eff3
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGLToGL.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 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_SURFACE_TEXTURE_GL_TO_GL_H
+#define ANDROID_SURFACE_TEXTURE_GL_TO_GL_H
+
+#include "SurfaceTextureGL.h"
+
+namespace android {
+
+/*
+ * This test fixture is for testing GL -> GL texture streaming.  It creates an
+ * EGLSurface and an EGLContext for the image producer to use.
+ */
+class SurfaceTextureGLToGLTest : public SurfaceTextureGLTest {
+protected:
+    SurfaceTextureGLToGLTest():
+            mProducerEglSurface(EGL_NO_SURFACE),
+            mProducerEglContext(EGL_NO_CONTEXT) {
+    }
+
+    virtual void SetUp() {
+        SurfaceTextureGLTest::SetUp();
+
+        mProducerEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
+                mANW.get(), NULL);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_SURFACE, mProducerEglSurface);
+
+        mProducerEglContext = eglCreateContext(mEglDisplay, mGlConfig,
+                EGL_NO_CONTEXT, getContextAttribs());
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_CONTEXT, mProducerEglContext);
+    }
+
+    virtual void TearDown() {
+        if (mProducerEglContext != EGL_NO_CONTEXT) {
+            eglDestroyContext(mEglDisplay, mProducerEglContext);
+        }
+        if (mProducerEglSurface != EGL_NO_SURFACE) {
+            eglDestroySurface(mEglDisplay, mProducerEglSurface);
+        }
+        SurfaceTextureGLTest::TearDown();
+    }
+
+    EGLSurface mProducerEglSurface;
+    EGLContext mProducerEglContext;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/gui/tests/SurfaceTextureGLToGL_test.cpp b/libs/gui/tests/SurfaceTextureGLToGL_test.cpp
new file mode 100644
index 0000000..f4c7961
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGLToGL_test.cpp
@@ -0,0 +1,502 @@
+/*
+ * Copyright 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 LOG_TAG "SurfaceTextureGLToGL_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureGLToGL.h"
+
+namespace android {
+
+TEST_F(SurfaceTextureGLToGLTest, TransformHintGetsRespected) {
+    const uint32_t texWidth = 32;
+    const uint32_t texHeight = 64;
+
+    mST->setDefaultBufferSize(texWidth, texHeight);
+    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
+
+    // This test requires 3 buffers to avoid deadlock because we're
+    // both producer and consumer, and only using one thread.
+    mST->setDefaultMaxBufferCount(3);
+
+    // Do the producer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Start a buffer with our chosen size and transform hint moving
+    // through the system.
+    glClear(GL_COLOR_BUFFER_BIT);  // give the driver something to do
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+    mST->updateTexImage();  // consume it
+    // Swap again.
+    glClear(GL_COLOR_BUFFER_BIT);
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+    mST->updateTexImage();
+
+    // The current buffer should either show the effects of the transform
+    // hint (in the form of an inverse transform), or show that the
+    // transform hint has been ignored.
+    sp<GraphicBuffer> buf = mST->getCurrentBuffer();
+    if (mST->getCurrentTransform() == NATIVE_WINDOW_TRANSFORM_ROT_270) {
+        ASSERT_EQ(texWidth, buf->getHeight());
+        ASSERT_EQ(texHeight, buf->getWidth());
+    } else {
+        ASSERT_EQ(texWidth, buf->getWidth());
+        ASSERT_EQ(texHeight, buf->getHeight());
+    }
+
+    // Reset the transform hint and confirm that it takes.
+    mST->setTransformHint(0);
+    glClear(GL_COLOR_BUFFER_BIT);
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+    mST->updateTexImage();
+    glClear(GL_COLOR_BUFFER_BIT);
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+    mST->updateTexImage();
+
+    buf = mST->getCurrentBuffer();
+    ASSERT_EQ((uint32_t) 0, mST->getCurrentTransform());
+    ASSERT_EQ(texWidth, buf->getWidth());
+    ASSERT_EQ(texHeight, buf->getHeight());
+}
+
+TEST_F(SurfaceTextureGLToGLTest, TexturingFromGLFilledRGBABufferPow2) {
+    const int texWidth = 64;
+    const int texHeight = 64;
+
+    mST->setDefaultBufferSize(texWidth, texHeight);
+
+    // This test requires 3 buffers to complete run on a single thread.
+    mST->setDefaultMaxBufferCount(3);
+
+    // Do the producer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // This is needed to ensure we pick up a buffer of the correct size.
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    glClearColor(0.6, 0.6, 0.6, 0.6);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(4, 4, 4, 4);
+    glClearColor(1.0, 0.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScissor(24, 48, 4, 4);
+    glClearColor(0.0, 1.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScissor(37, 17, 4, 4);
+    glClearColor(0.0, 0.0, 1.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    // Do the consumer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    glDisable(GL_SCISSOR_TEST);
+
+    // Skip the first frame, which was empty
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
+
+    EXPECT_TRUE(checkPixel( 4,  7, 255,   0,   0, 255));
+    EXPECT_TRUE(checkPixel(25, 51,   0, 255,   0, 255));
+    EXPECT_TRUE(checkPixel(40, 19,   0,   0, 255, 255));
+    EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(13,  8, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(46,  3, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
+}
+
+TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
+    sp<GraphicBuffer> buffers[2];
+
+    // This test requires async mode to run on a single thread.
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    for (int i = 0; i < 2; i++) {
+        // Produce a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+                mProducerEglSurface, mProducerEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        glClear(GL_COLOR_BUFFER_BIT);
+        eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+        // Consume a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        mFW->waitForFrame();
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        buffers[i] = mST->getCurrentBuffer();
+    }
+
+    // Destroy the GL texture object to release its ref on buffers[2].
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // Destroy the EGLSurface
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    mProducerEglSurface = EGL_NO_SURFACE;
+
+    // This test should have the only reference to buffer 0.
+    EXPECT_EQ(1, buffers[0]->getStrongCount());
+
+    // The GLConsumer should hold a single reference to buffer 1 in its
+    // mCurrentBuffer member.  All of the references in the slots should have
+    // been released.
+    EXPECT_EQ(2, buffers[1]->getStrongCount());
+}
+
+TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
+    sp<GraphicBuffer> buffers[3];
+
+    // This test requires async mode to run on a single thread.
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    for (int i = 0; i < 3; i++) {
+        // Produce a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+                mProducerEglSurface, mProducerEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        glClear(GL_COLOR_BUFFER_BIT);
+        EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+        // Consume a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        mFW->waitForFrame();
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        buffers[i] = mST->getCurrentBuffer();
+    }
+
+    // Abandon the GLConsumer, releasing the ref that the GLConsumer has
+    // on buffers[2].
+    mST->abandon();
+
+    // Destroy the GL texture object to release its ref on buffers[2].
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // Destroy the EGLSurface.
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    mProducerEglSurface = EGL_NO_SURFACE;
+
+    EXPECT_EQ(1, buffers[0]->getStrongCount());
+    EXPECT_EQ(1, buffers[1]->getStrongCount());
+
+    // Depending on how lazily the GL driver dequeues buffers, we may end up
+    // with either two or three total buffers.  If there are three, make sure
+    // the last one was properly down-ref'd.
+    if (buffers[2] != buffers[0]) {
+        EXPECT_EQ(1, buffers[2]->getStrongCount());
+    }
+}
+
+TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentBeforeConsumerDeathUnrefsBuffers) {
+    sp<GraphicBuffer> buffer;
+
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+
+    // Produce a frame
+    glClear(GL_COLOR_BUFFER_BIT);
+    EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Destroy the EGLSurface.
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    mProducerEglSurface = EGL_NO_SURFACE;
+    mSTC.clear();
+    mANW.clear();
+    mTextureRenderer.clear();
+
+    // Consume a frame
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    buffer = mST->getCurrentBuffer();
+
+    // Destroy the GL texture object to release its ref
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // make un-current, all references to buffer should be gone
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
+            EGL_NO_SURFACE, EGL_NO_CONTEXT));
+
+    // Destroy consumer
+    mST.clear();
+
+    EXPECT_EQ(1, buffer->getStrongCount());
+}
+
+TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentAfterConsumerDeathUnrefsBuffers) {
+    sp<GraphicBuffer> buffer;
+
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+
+    // Produce a frame
+    glClear(GL_COLOR_BUFFER_BIT);
+    EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Destroy the EGLSurface.
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    mProducerEglSurface = EGL_NO_SURFACE;
+    mSTC.clear();
+    mANW.clear();
+    mTextureRenderer.clear();
+
+    // Consume a frame
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    buffer = mST->getCurrentBuffer();
+
+    // Destroy the GL texture object to release its ref
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // Destroy consumer
+    mST.clear();
+
+    // make un-current, all references to buffer should be gone
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
+            EGL_NO_SURFACE, EGL_NO_CONTEXT));
+
+    EXPECT_EQ(1, buffer->getStrongCount());
+}
+
+TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
+    enum { texWidth = 64 };
+    enum { texHeight = 64 };
+
+    // This test requires 3 buffers to complete run on a single thread.
+    mST->setDefaultMaxBufferCount(3);
+
+    // Set the user buffer size.
+    native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
+
+    // Do the producer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // This is needed to ensure we pick up a buffer of the correct size.
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    glClearColor(0.6, 0.6, 0.6, 0.6);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(4, 4, 1, 1);
+    glClearColor(1.0, 0.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    // Do the consumer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    glDisable(GL_SCISSOR_TEST);
+
+    // Skip the first frame, which was empty
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
+
+    EXPECT_TRUE(checkPixel( 4,  4, 255,   0,   0, 255));
+    EXPECT_TRUE(checkPixel( 5,  5, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 3,  3, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
+}
+
+TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
+    enum { texWidth = 64 };
+    enum { texHeight = 16 };
+
+    // This test requires 3 buffers to complete run on a single thread.
+    mST->setDefaultMaxBufferCount(3);
+
+    // Set the transform hint.
+    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
+
+    // Set the user buffer size.
+    native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
+
+    // Do the producer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // This is needed to ensure we pick up a buffer of the correct size and the
+    // new rotation hint.
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    glClearColor(0.6, 0.6, 0.6, 0.6);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(24, 4, 1, 1);
+    glClearColor(1.0, 0.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    // Do the consumer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    glDisable(GL_SCISSOR_TEST);
+
+    // Skip the first frame, which was empty
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
+
+    EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
+    EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
+}
+
+TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
+    enum { texWidth = 64 };
+    enum { texHeight = 16 };
+
+    // This test requires 3 buffers to complete run on a single thread.
+    mST->setDefaultMaxBufferCount(3);
+
+    // Set the transform hint.
+    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
+
+    // Set the default buffer size.
+    mST->setDefaultBufferSize(texWidth, texHeight);
+
+    // Do the producer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
+            mProducerEglSurface, mProducerEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // This is needed to ensure we pick up a buffer of the correct size and the
+    // new rotation hint.
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    glClearColor(0.6, 0.6, 0.6, 0.6);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(24, 4, 1, 1);
+    glClearColor(1.0, 0.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
+
+    // Do the consumer side of things
+    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    glDisable(GL_SCISSOR_TEST);
+
+    // Skip the first frame, which was empty
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
+
+    EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
+    EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
+    EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTextureGL_test.cpp b/libs/gui/tests/SurfaceTextureGL_test.cpp
new file mode 100644
index 0000000..25b2319
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGL_test.cpp
@@ -0,0 +1,703 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "SurfaceTextureGL_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureGL.h"
+
+#include "DisconnectWaiter.h"
+#include "FillBuffer.h"
+
+namespace android {
+
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferNpot) {
+    const int texWidth = 64;
+    const int texHeight = 66;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    ANativeWindowBuffer* anb;
+    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    ASSERT_TRUE(anb != NULL);
+
+    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+    // Fill the buffer with the a checkerboard pattern
+    uint8_t* img = NULL;
+    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
+    fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
+    buf->unlock();
+    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
+            -1));
+
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 255, 127, 255, 255, 3));
+    EXPECT_TRUE(checkPixel(63,  0,   0, 133,   0, 255, 3));
+    EXPECT_TRUE(checkPixel(63, 65,   0, 133,   0, 255, 3));
+    EXPECT_TRUE(checkPixel( 0, 65, 255, 127, 255, 255, 3));
+
+    EXPECT_TRUE(checkPixel(22, 44, 255, 127, 255, 255, 3));
+    EXPECT_TRUE(checkPixel(45, 52, 255, 127, 255, 255, 3));
+    EXPECT_TRUE(checkPixel(52, 51,  98, 255,  73, 255, 3));
+    EXPECT_TRUE(checkPixel( 7, 31, 155,   0, 118, 255, 3));
+    EXPECT_TRUE(checkPixel(31,  9, 107,  24,  87, 255, 3));
+    EXPECT_TRUE(checkPixel(29, 35, 255, 127, 255, 255, 3));
+    EXPECT_TRUE(checkPixel(36, 22, 155,  29,   0, 255, 3));
+}
+
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferPow2) {
+    const int texWidth = 64;
+    const int texHeight = 64;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    ANativeWindowBuffer* anb;
+    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    ASSERT_TRUE(anb != NULL);
+
+    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+    // Fill the buffer with the a checkerboard pattern
+    uint8_t* img = NULL;
+    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
+    fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
+    buf->unlock();
+    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
+            -1));
+
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0,   0, 133,   0, 255));
+    EXPECT_TRUE(checkPixel(63,  0, 255, 127, 255, 255));
+    EXPECT_TRUE(checkPixel(63, 63,   0, 133,   0, 255));
+    EXPECT_TRUE(checkPixel( 0, 63, 255, 127, 255, 255));
+
+    EXPECT_TRUE(checkPixel(22, 19, 100, 255,  74, 255));
+    EXPECT_TRUE(checkPixel(45, 11, 100, 255,  74, 255));
+    EXPECT_TRUE(checkPixel(52, 12, 155,   0, 181, 255));
+    EXPECT_TRUE(checkPixel( 7, 32, 150, 237, 170, 255));
+    EXPECT_TRUE(checkPixel(31, 54,   0,  71, 117, 255));
+    EXPECT_TRUE(checkPixel(29, 28,   0, 133,   0, 255));
+    EXPECT_TRUE(checkPixel(36, 41, 100, 232, 255, 255));
+}
+
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferWithCrop) {
+    const int texWidth = 64;
+    const int texHeight = 66;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    android_native_rect_t crops[] = {
+        {4, 6, 22, 36},
+        {0, 6, 22, 36},
+        {4, 0, 22, 36},
+        {4, 6, texWidth, 36},
+        {4, 6, 22, texHeight},
+    };
+
+    for (int i = 0; i < 5; i++) {
+        const android_native_rect_t& crop(crops[i]);
+        SCOPED_TRACE(String8::format("rect{ l: %d t: %d r: %d b: %d }",
+                crop.left, crop.top, crop.right, crop.bottom).string());
+
+        ASSERT_EQ(NO_ERROR, native_window_set_crop(mANW.get(), &crop));
+
+        ANativeWindowBuffer* anb;
+        ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+                &anb));
+        ASSERT_TRUE(anb != NULL);
+
+        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+        uint8_t* img = NULL;
+        buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
+        fillYV12BufferRect(img, texWidth, texHeight, buf->getStride(), crop);
+        buf->unlock();
+        ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
+                buf->getNativeBuffer(), -1));
+
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+        glClearColor(0.2, 0.2, 0.2, 0.2);
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        glViewport(0, 0, 64, 64);
+        drawTexture();
+
+        EXPECT_TRUE(checkPixel( 0,  0,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(63,  0,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(63, 63,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel( 0, 63,  82, 255,  35, 255));
+
+        EXPECT_TRUE(checkPixel(25, 14,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(35, 31,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(57,  6,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel( 5, 42,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(32, 33,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(16, 26,  82, 255,  35, 255));
+        EXPECT_TRUE(checkPixel(46, 51,  82, 255,  35, 255));
+    }
+}
+
+// This test is intended to catch synchronization bugs between the CPU-written
+// and GPU-read buffers.
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BuffersRepeatedly) {
+    enum { texWidth = 16 };
+    enum { texHeight = 16 };
+    enum { numFrames = 1024 };
+
+    ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    struct TestPixel {
+        int x;
+        int y;
+    };
+    const TestPixel testPixels[] = {
+        {  4, 11 },
+        { 12, 14 },
+        {  7,  2 },
+    };
+    enum {numTestPixels = sizeof(testPixels) / sizeof(testPixels[0])};
+
+    class ProducerThread : public Thread {
+    public:
+        ProducerThread(const sp<ANativeWindow>& anw,
+                const TestPixel* testPixels):
+                mANW(anw),
+                mTestPixels(testPixels) {
+        }
+
+        virtual ~ProducerThread() {
+        }
+
+        virtual bool threadLoop() {
+            for (int i = 0; i < numFrames; i++) {
+                ANativeWindowBuffer* anb;
+                if (native_window_dequeue_buffer_and_wait(mANW.get(),
+                        &anb) != NO_ERROR) {
+                    return false;
+                }
+                if (anb == NULL) {
+                    return false;
+                }
+
+                sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
+
+                const int yuvTexOffsetY = 0;
+                int stride = buf->getStride();
+                int yuvTexStrideY = stride;
+                int yuvTexOffsetV = yuvTexStrideY * texHeight;
+                int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
+                int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * texHeight/2;
+                int yuvTexStrideU = yuvTexStrideV;
+
+                uint8_t* img = NULL;
+                buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
+
+                // Gray out all the test pixels first, so we're more likely to
+                // see a failure if GL is still texturing from the buffer we
+                // just dequeued.
+                for (int j = 0; j < numTestPixels; j++) {
+                    int x = mTestPixels[j].x;
+                    int y = mTestPixels[j].y;
+                    uint8_t value = 128;
+                    img[y*stride + x] = value;
+                }
+
+                // Fill the buffer with gray.
+                for (int y = 0; y < texHeight; y++) {
+                    for (int x = 0; x < texWidth; x++) {
+                        img[yuvTexOffsetY + y*yuvTexStrideY + x] = 128;
+                        img[yuvTexOffsetU + (y/2)*yuvTexStrideU + x/2] = 128;
+                        img[yuvTexOffsetV + (y/2)*yuvTexStrideV + x/2] = 128;
+                    }
+                }
+
+                // Set the test pixels to either white or black.
+                for (int j = 0; j < numTestPixels; j++) {
+                    int x = mTestPixels[j].x;
+                    int y = mTestPixels[j].y;
+                    uint8_t value = 0;
+                    if (j == (i % numTestPixels)) {
+                        value = 255;
+                    }
+                    img[y*stride + x] = value;
+                }
+
+                buf->unlock();
+                if (mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(), -1)
+                        != NO_ERROR) {
+                    return false;
+                }
+            }
+            return false;
+        }
+
+        sp<ANativeWindow> mANW;
+        const TestPixel* mTestPixels;
+    };
+
+    sp<Thread> pt(new ProducerThread(mANW, testPixels));
+    pt->run();
+
+    glViewport(0, 0, texWidth, texHeight);
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    // We wait for the first two frames up front so that the producer will be
+    // likely to dequeue the buffer that's currently being textured from.
+    mFW->waitForFrame();
+    mFW->waitForFrame();
+
+    for (int i = 0; i < numFrames; i++) {
+        SCOPED_TRACE(String8::format("frame %d", i).string());
+
+        // We must wait for each frame to come in because if we ever do an
+        // updateTexImage call that doesn't consume a newly available buffer
+        // then the producer and consumer will get out of sync, which will cause
+        // a deadlock.
+        if (i > 1) {
+            mFW->waitForFrame();
+        }
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        drawTexture();
+
+        for (int j = 0; j < numTestPixels; j++) {
+            int x = testPixels[j].x;
+            int y = testPixels[j].y;
+            uint8_t value = 0;
+            if (j == (i % numTestPixels)) {
+                // We must y-invert the texture coords
+                EXPECT_TRUE(checkPixel(x, texHeight-y-1, 255, 255, 255, 255));
+            } else {
+                // We must y-invert the texture coords
+                EXPECT_TRUE(checkPixel(x, texHeight-y-1, 0, 0, 0, 255));
+            }
+        }
+    }
+
+    pt->requestExitAndWait();
+}
+
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferNpot) {
+    const int texWidth = 64;
+    const int texHeight = 66;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+    EXPECT_TRUE(checkPixel(63,  0, 231, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(63, 65, 231, 231, 231, 231));
+    EXPECT_TRUE(checkPixel( 0, 65,  35,  35,  35,  35));
+
+    EXPECT_TRUE(checkPixel(15, 10,  35, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(23, 65, 231,  35, 231,  35));
+    EXPECT_TRUE(checkPixel(19, 40,  35, 231,  35,  35));
+    EXPECT_TRUE(checkPixel(38, 30, 231,  35,  35,  35));
+    EXPECT_TRUE(checkPixel(42, 54,  35,  35,  35, 231));
+    EXPECT_TRUE(checkPixel(37, 34,  35, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(31,  8, 231,  35,  35, 231));
+    EXPECT_TRUE(checkPixel(37, 47, 231,  35, 231, 231));
+    EXPECT_TRUE(checkPixel(25, 38,  35,  35,  35,  35));
+    EXPECT_TRUE(checkPixel(49,  6,  35, 231,  35,  35));
+    EXPECT_TRUE(checkPixel(54, 50,  35, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(27, 26, 231, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(10,  6,  35,  35, 231, 231));
+    EXPECT_TRUE(checkPixel(29,  4,  35,  35,  35, 231));
+    EXPECT_TRUE(checkPixel(55, 28,  35,  35, 231,  35));
+    EXPECT_TRUE(checkPixel(58, 55,  35,  35, 231, 231));
+}
+
+TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferPow2) {
+    const int texWidth = 64;
+    const int texHeight = 64;
+
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
+            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
+
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, texWidth, texHeight);
+    drawTexture();
+
+    EXPECT_TRUE(checkPixel( 0,  0, 231, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(63,  0,  35,  35,  35,  35));
+    EXPECT_TRUE(checkPixel(63, 63, 231, 231, 231, 231));
+    EXPECT_TRUE(checkPixel( 0, 63,  35,  35,  35,  35));
+
+    EXPECT_TRUE(checkPixel(12, 46, 231, 231, 231,  35));
+    EXPECT_TRUE(checkPixel(16,  1, 231, 231,  35, 231));
+    EXPECT_TRUE(checkPixel(21, 12, 231,  35,  35, 231));
+    EXPECT_TRUE(checkPixel(26, 51, 231,  35, 231,  35));
+    EXPECT_TRUE(checkPixel( 5, 32,  35, 231, 231,  35));
+    EXPECT_TRUE(checkPixel(13,  8,  35, 231, 231, 231));
+    EXPECT_TRUE(checkPixel(46,  3,  35,  35, 231,  35));
+    EXPECT_TRUE(checkPixel(30, 33,  35,  35,  35,  35));
+    EXPECT_TRUE(checkPixel( 6, 52, 231, 231,  35,  35));
+    EXPECT_TRUE(checkPixel(55, 33,  35, 231,  35, 231));
+    EXPECT_TRUE(checkPixel(16, 29,  35,  35, 231, 231));
+    EXPECT_TRUE(checkPixel( 1, 30,  35,  35,  35, 231));
+    EXPECT_TRUE(checkPixel(41, 37,  35,  35, 231, 231));
+    EXPECT_TRUE(checkPixel(46, 29, 231, 231,  35,  35));
+    EXPECT_TRUE(checkPixel(15, 25,  35, 231,  35, 231));
+    EXPECT_TRUE(checkPixel( 3, 52,  35, 231,  35,  35));
+}
+
+// Tests if GLConsumer and BufferQueue are robust enough
+// to handle a special case where updateTexImage is called
+// in the middle of disconnect.  This ordering is enforced
+// by blocking in the disconnect callback.
+TEST_F(SurfaceTextureGLTest, DisconnectStressTest) {
+
+    class ProducerThread : public Thread {
+    public:
+        ProducerThread(const sp<ANativeWindow>& anw):
+                mANW(anw) {
+        }
+
+        virtual ~ProducerThread() {
+        }
+
+        virtual bool threadLoop() {
+            ANativeWindowBuffer* anb;
+
+            native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_EGL);
+
+            for (int numFrames =0 ; numFrames < 2; numFrames ++) {
+
+                if (native_window_dequeue_buffer_and_wait(mANW.get(),
+                        &anb) != NO_ERROR) {
+                    return false;
+                }
+                if (anb == NULL) {
+                    return false;
+                }
+                if (mANW->queueBuffer(mANW.get(), anb, -1)
+                        != NO_ERROR) {
+                    return false;
+                }
+            }
+
+            native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_EGL);
+
+            return false;
+        }
+
+    private:
+        sp<ANativeWindow> mANW;
+    };
+
+    sp<DisconnectWaiter> dw(new DisconnectWaiter());
+    mBQ->consumerConnect(dw, false);
+
+
+    sp<Thread> pt(new ProducerThread(mANW));
+    pt->run();
+
+    // eat a frame so GLConsumer will own an at least one slot
+    dw->waitForFrame();
+    EXPECT_EQ(OK,mST->updateTexImage());
+
+    dw->waitForFrame();
+    // Could fail here as GLConsumer thinks it still owns the slot
+    // but bufferQueue has released all slots
+    EXPECT_EQ(OK,mST->updateTexImage());
+
+    dw->finishDisconnect();
+}
+
+
+// This test ensures that the GLConsumer clears the mCurrentTexture
+// when it is disconnected and reconnected.  Otherwise it will
+// attempt to release a buffer that it does not owned
+TEST_F(SurfaceTextureGLTest, DisconnectClearsCurrentTexture) {
+    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
+            NATIVE_WINDOW_API_EGL));
+
+    ANativeWindowBuffer *anb;
+
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+
+    EXPECT_EQ(OK,mST->updateTexImage());
+    EXPECT_EQ(OK,mST->updateTexImage());
+
+    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
+            NATIVE_WINDOW_API_EGL));
+    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
+            NATIVE_WINDOW_API_EGL));
+
+    EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+
+    // Will fail here if mCurrentTexture is not cleared properly
+    mFW->waitForFrame();
+    EXPECT_EQ(OK,mST->updateTexImage());
+
+    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
+            NATIVE_WINDOW_API_EGL));
+}
+
+TEST_F(SurfaceTextureGLTest, ScaleToWindowMode) {
+    ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
+        NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW));
+
+    // The producer image size
+    ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
+
+    // The consumer image size (16 x 9) ratio
+    mST->setDefaultBufferSize(1280, 720);
+
+    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
+            NATIVE_WINDOW_API_CPU));
+
+    ANativeWindowBuffer *anb;
+
+    android_native_rect_t odd = {23, 78, 123, 477};
+    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &odd));
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+    mFW->waitForFrame();
+    EXPECT_EQ(OK, mST->updateTexImage());
+    Rect r = mST->getCurrentCrop();
+    assertRectEq(Rect(23, 78, 123, 477), r);
+
+    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
+            NATIVE_WINDOW_API_CPU));
+}
+
+// This test ensures the scaling mode does the right thing
+// ie NATIVE_WINDOW_SCALING_MODE_CROP should crop
+// the image such that it has the same aspect ratio as the
+// default buffer size
+TEST_F(SurfaceTextureGLTest, CroppedScalingMode) {
+    ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
+        NATIVE_WINDOW_SCALING_MODE_SCALE_CROP));
+
+    // The producer image size
+    ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
+
+    // The consumer image size (16 x 9) ratio
+    mST->setDefaultBufferSize(1280, 720);
+
+    native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU);
+
+    ANativeWindowBuffer *anb;
+
+    // The crop is in the shape of (320, 180) === 16 x 9
+    android_native_rect_t standard = {10, 20, 330, 200};
+    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &standard));
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+    mFW->waitForFrame();
+    EXPECT_EQ(OK, mST->updateTexImage());
+    Rect r = mST->getCurrentCrop();
+    // crop should be the same as crop (same aspect ratio)
+    assertRectEq(Rect(10, 20, 330, 200), r);
+
+    // make this wider then desired aspect 239 x 100 (2.39:1)
+    android_native_rect_t wide = {20, 30, 259, 130};
+    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &wide));
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+    mFW->waitForFrame();
+    EXPECT_EQ(OK, mST->updateTexImage());
+    r = mST->getCurrentCrop();
+    // crop should be the same height, but have cropped left and right borders
+    // offset is 30.6 px L+, R-
+    assertRectEq(Rect(51, 30, 228, 130), r);
+
+    // This image is taller then desired aspect 400 x 300 (4:3)
+    android_native_rect_t narrow = {0, 0, 400, 300};
+    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &narrow));
+    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
+    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
+    mFW->waitForFrame();
+    EXPECT_EQ(OK, mST->updateTexImage());
+    r = mST->getCurrentCrop();
+    // crop should be the same width, but have cropped top and bottom borders
+    // offset is 37.5 px
+    assertRectEq(Rect(0, 37, 400, 262), r);
+
+    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
+}
+
+TEST_F(SurfaceTextureGLTest, AbandonUnblocksDequeueBuffer) {
+    class ProducerThread : public Thread {
+    public:
+        ProducerThread(const sp<ANativeWindow>& anw):
+                mANW(anw),
+                mDequeueError(NO_ERROR) {
+        }
+
+        virtual ~ProducerThread() {
+        }
+
+        virtual bool threadLoop() {
+            Mutex::Autolock lock(mMutex);
+            ANativeWindowBuffer* anb;
+
+            // Frame 1
+            if (native_window_dequeue_buffer_and_wait(mANW.get(),
+                    &anb) != NO_ERROR) {
+                return false;
+            }
+            if (anb == NULL) {
+                return false;
+            }
+            if (mANW->queueBuffer(mANW.get(), anb, -1)
+                    != NO_ERROR) {
+                return false;
+            }
+
+            // Frame 2
+            if (native_window_dequeue_buffer_and_wait(mANW.get(),
+                    &anb) != NO_ERROR) {
+                return false;
+            }
+            if (anb == NULL) {
+                return false;
+            }
+            if (mANW->queueBuffer(mANW.get(), anb, -1)
+                    != NO_ERROR) {
+                return false;
+            }
+
+            // Frame 3 - error expected
+            mDequeueError = native_window_dequeue_buffer_and_wait(mANW.get(),
+                &anb);
+            return false;
+        }
+
+        status_t getDequeueError() {
+            Mutex::Autolock lock(mMutex);
+            return mDequeueError;
+        }
+
+    private:
+        sp<ANativeWindow> mANW;
+        status_t mDequeueError;
+        Mutex mMutex;
+    };
+
+    ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
+
+    sp<Thread> pt(new ProducerThread(mANW));
+    pt->run();
+
+    mFW->waitForFrame();
+    mFW->waitForFrame();
+
+    // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
+    // block waiting for a buffer to become available.
+    usleep(100000);
+
+    mST->abandon();
+
+    pt->requestExitAndWait();
+    ASSERT_EQ(NO_INIT,
+            reinterpret_cast<ProducerThread*>(pt.get())->getDequeueError());
+}
+
+TEST_F(SurfaceTextureGLTest, InvalidWidthOrHeightFails) {
+    int texHeight = 16;
+    ANativeWindowBuffer* anb;
+
+    GLint maxTextureSize;
+    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
+
+    // make sure it works with small textures
+    mST->setDefaultBufferSize(16, texHeight);
+    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    EXPECT_EQ(16, anb->width);
+    EXPECT_EQ(texHeight, anb->height);
+    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
+    EXPECT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // make sure it works with GL_MAX_TEXTURE_SIZE
+    mST->setDefaultBufferSize(maxTextureSize, texHeight);
+    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    EXPECT_EQ(maxTextureSize, anb->width);
+    EXPECT_EQ(texHeight, anb->height);
+    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
+    EXPECT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // make sure it fails with GL_MAX_TEXTURE_SIZE+1
+    mST->setDefaultBufferSize(maxTextureSize+1, texHeight);
+    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
+            &anb));
+    EXPECT_EQ(maxTextureSize+1, anb->width);
+    EXPECT_EQ(texHeight, anb->height);
+    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
+    ASSERT_NE(NO_ERROR, mST->updateTexImage());
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTextureMultiContextGL.h b/libs/gui/tests/SurfaceTextureMultiContextGL.h
new file mode 100644
index 0000000..7934bbc
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureMultiContextGL.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright 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_SURFACE_TEXTURE_MULTI_CONTEXT_GL_H
+#define ANDROID_SURFACE_TEXTURE_MULTI_CONTEXT_GL_H
+
+#include "SurfaceTextureGL.h"
+
+namespace android {
+
+class SurfaceTextureMultiContextGLTest : public SurfaceTextureGLTest {
+protected:
+    enum { SECOND_TEX_ID = 123 };
+    enum { THIRD_TEX_ID = 456 };
+
+    SurfaceTextureMultiContextGLTest():
+            mSecondEglContext(EGL_NO_CONTEXT) {
+    }
+
+    virtual void SetUp() {
+        SurfaceTextureGLTest::SetUp();
+
+        // Set up the secondary context and texture renderer.
+        mSecondEglContext = eglCreateContext(mEglDisplay, mGlConfig,
+                EGL_NO_CONTEXT, getContextAttribs());
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_CONTEXT, mSecondEglContext);
+
+        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mSecondEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        mSecondTextureRenderer = new TextureRenderer(SECOND_TEX_ID, mST);
+        ASSERT_NO_FATAL_FAILURE(mSecondTextureRenderer->SetUp());
+
+        // Set up the tertiary context and texture renderer.
+        mThirdEglContext = eglCreateContext(mEglDisplay, mGlConfig,
+                EGL_NO_CONTEXT, getContextAttribs());
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_NE(EGL_NO_CONTEXT, mThirdEglContext);
+
+        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mThirdEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        mThirdTextureRenderer = new TextureRenderer(THIRD_TEX_ID, mST);
+        ASSERT_NO_FATAL_FAILURE(mThirdTextureRenderer->SetUp());
+
+        // Switch back to the primary context to start the tests.
+        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+    }
+
+    virtual void TearDown() {
+        if (mThirdEglContext != EGL_NO_CONTEXT) {
+            eglDestroyContext(mEglDisplay, mThirdEglContext);
+        }
+        if (mSecondEglContext != EGL_NO_CONTEXT) {
+            eglDestroyContext(mEglDisplay, mSecondEglContext);
+        }
+        SurfaceTextureGLTest::TearDown();
+    }
+
+    EGLContext mSecondEglContext;
+    sp<TextureRenderer> mSecondTextureRenderer;
+
+    EGLContext mThirdEglContext;
+    sp<TextureRenderer> mThirdTextureRenderer;
+};
+
+}
+
+#endif
diff --git a/libs/gui/tests/SurfaceTextureMultiContextGL_test.cpp b/libs/gui/tests/SurfaceTextureMultiContextGL_test.cpp
new file mode 100644
index 0000000..115a47d
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureMultiContextGL_test.cpp
@@ -0,0 +1,389 @@
+/*
+ * Copyright 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 LOG_TAG "SurfaceTextureMultiContextGL_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureMultiContextGL.h"
+
+#include "FillBuffer.h"
+
+#include <GLES/glext.h>
+
+namespace android {
+
+TEST_F(SurfaceTextureMultiContextGLTest, UpdateFromMultipleContextsFails) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Attempt to latch the texture on the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextSucceeds) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Check that the GL texture was deleted.
+    EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        DetachFromContextSucceedsAfterProducerDisconnect) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Check that the GL texture was deleted.
+    EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenAbandoned) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Attempt to detach from the primary context.
+    mST->abandon();
+    ASSERT_EQ(NO_INIT, mST->detachFromContext());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenDetached) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attempt to detach from the primary context again.
+    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoDisplay) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Make there be no current display.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+            EGL_NO_CONTEXT));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Attempt to detach from the primary context.
+    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoContext) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Make current context be incorrect.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Attempt to detach from the primary context.
+    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, UpdateTexImageFailsWhenDetached) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attempt to latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceeds) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Verify that the texture object was created and bound.
+    GLint texBinding = -1;
+    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
+    EXPECT_EQ(SECOND_TEX_ID, texBinding);
+
+    // Try to use the texture from the secondary context.
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glViewport(0, 0, 1, 1);
+    mSecondTextureRenderer->drawTexture();
+    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        AttachToContextSucceedsAfterProducerDisconnect) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Verify that the texture object was created and bound.
+    GLint texBinding = -1;
+    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
+    EXPECT_EQ(SECOND_TEX_ID, texBinding);
+
+    // Try to use the texture from the secondary context.
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glViewport(0, 0, 1, 1);
+    mSecondTextureRenderer->drawTexture();
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        AttachToContextSucceedsBeforeUpdateTexImage) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Detach from the primary context.
+    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Verify that the texture object was created and bound.
+    GLint texBinding = -1;
+    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
+    EXPECT_EQ(SECOND_TEX_ID, texBinding);
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Try to use the texture from the secondary context.
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glViewport(0, 0, 1, 1);
+    mSecondTextureRenderer->drawTexture();
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAbandoned) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attempt to attach to the secondary context.
+    mST->abandon();
+
+    // Attempt to attach to the primary context.
+    ASSERT_EQ(NO_INIT, mST->attachToContext(SECOND_TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAttached) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Attempt to attach to the primary context.
+    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        AttachToContextFailsWhenAttachedBeforeUpdateTexImage) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Attempt to attach to the primary context.
+    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWithNoDisplay) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Make there be no current display.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
+            EGL_NO_CONTEXT));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Attempt to attach with no context current.
+    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceedsTwice) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Latch the texture contents on the primary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Detach from the secondary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the tertiary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mThirdEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
+
+    // Verify that the texture object was created and bound.
+    GLint texBinding = -1;
+    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
+    EXPECT_EQ(THIRD_TEX_ID, texBinding);
+
+    // Try to use the texture from the tertiary context.
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glViewport(0, 0, 1, 1);
+    mThirdTextureRenderer->drawTexture();
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        AttachToContextSucceedsTwiceBeforeUpdateTexImage) {
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Detach from the primary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the secondary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Detach from the secondary context.
+    ASSERT_EQ(OK, mST->detachFromContext());
+
+    // Attach to the tertiary context.
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mThirdEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
+
+    // Verify that the texture object was created and bound.
+    GLint texBinding = -1;
+    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
+    EXPECT_EQ(THIRD_TEX_ID, texBinding);
+
+    // Latch the texture contents on the tertiary context.
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // Try to use the texture from the tertiary context.
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glViewport(0, 0, 1, 1);
+    mThirdTextureRenderer->drawTexture();
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
+}
+
+TEST_F(SurfaceTextureMultiContextGLTest,
+        UpdateTexImageSucceedsForBufferConsumedBeforeDetach) {
+    ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
+
+    // produce two frames and consume them both on the primary context
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+
+    // produce one more frame
+    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
+
+    // Detach from the primary context and attach to the secondary context
+    ASSERT_EQ(OK, mST->detachFromContext());
+    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+            mSecondEglContext));
+    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
+
+    // Consume final frame on secondary context
+    mFW->waitForFrame();
+    ASSERT_EQ(OK, mST->updateTexImage());
+}
+
+} // namespace android
diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp
deleted file mode 100644
index e4fba15..0000000
--- a/libs/gui/tests/SurfaceTexture_test.cpp
+++ /dev/null
@@ -1,2816 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "SurfaceTexture_test"
-//#define LOG_NDEBUG 0
-
-#include <gtest/gtest.h>
-#include <gui/GLConsumer.h>
-#include <ui/GraphicBuffer.h>
-#include <utils/String8.h>
-#include <utils/threads.h>
-
-#include <gui/ISurfaceComposer.h>
-#include <gui/Surface.h>
-#include <gui/SurfaceComposerClient.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-
-#include <ui/FramebufferNativeWindow.h>
-#include <android/native_window.h>
-
-namespace android {
-
-class GLTest : public ::testing::Test {
-protected:
-
-    GLTest():
-            mEglDisplay(EGL_NO_DISPLAY),
-            mEglSurface(EGL_NO_SURFACE),
-            mEglContext(EGL_NO_CONTEXT) {
-    }
-
-    virtual void SetUp() {
-        const ::testing::TestInfo* const testInfo =
-            ::testing::UnitTest::GetInstance()->current_test_info();
-        ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
-                testInfo->name());
-
-        mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
-
-        EGLint majorVersion;
-        EGLint minorVersion;
-        EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        RecordProperty("EglVersionMajor", majorVersion);
-        RecordProperty("EglVersionMajor", minorVersion);
-
-        EGLint numConfigs = 0;
-        EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(), &mGlConfig,
-                1, &numConfigs));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-        char* displaySecsEnv = getenv("GLTEST_DISPLAY_SECS");
-        if (displaySecsEnv != NULL) {
-            mDisplaySecs = atoi(displaySecsEnv);
-            if (mDisplaySecs < 0) {
-                mDisplaySecs = 0;
-            }
-        } else {
-            mDisplaySecs = 0;
-        }
-
-        if (mDisplaySecs > 0) {
-            mComposerClient = new SurfaceComposerClient;
-            ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-
-            mSurfaceControl = mComposerClient->createSurface(
-                    String8("Test Surface"),
-                    getSurfaceWidth(), getSurfaceHeight(),
-                    PIXEL_FORMAT_RGB_888, 0);
-
-            ASSERT_TRUE(mSurfaceControl != NULL);
-            ASSERT_TRUE(mSurfaceControl->isValid());
-
-            SurfaceComposerClient::openGlobalTransaction();
-            ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF));
-            ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
-            SurfaceComposerClient::closeGlobalTransaction();
-
-            sp<ANativeWindow> window = mSurfaceControl->getSurface();
-            mEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
-                    window.get(), NULL);
-        } else {
-            EGLint pbufferAttribs[] = {
-                EGL_WIDTH, getSurfaceWidth(),
-                EGL_HEIGHT, getSurfaceHeight(),
-                EGL_NONE };
-
-            mEglSurface = eglCreatePbufferSurface(mEglDisplay, mGlConfig,
-                    pbufferAttribs);
-        }
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
-
-        mEglContext = eglCreateContext(mEglDisplay, mGlConfig, EGL_NO_CONTEXT,
-                getContextAttribs());
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
-
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-        EGLint w, h;
-        EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &w));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &h));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        RecordProperty("EglSurfaceWidth", w);
-        RecordProperty("EglSurfaceHeight", h);
-
-        glViewport(0, 0, w, h);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    }
-
-    virtual void TearDown() {
-        // Display the result
-        if (mDisplaySecs > 0 && mEglSurface != EGL_NO_SURFACE) {
-            eglSwapBuffers(mEglDisplay, mEglSurface);
-            sleep(mDisplaySecs);
-        }
-
-        if (mComposerClient != NULL) {
-            mComposerClient->dispose();
-        }
-        if (mEglContext != EGL_NO_CONTEXT) {
-            eglDestroyContext(mEglDisplay, mEglContext);
-        }
-        if (mEglSurface != EGL_NO_SURFACE) {
-            eglDestroySurface(mEglDisplay, mEglSurface);
-        }
-        if (mEglDisplay != EGL_NO_DISPLAY) {
-            eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-                    EGL_NO_CONTEXT);
-            eglTerminate(mEglDisplay);
-        }
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-        const ::testing::TestInfo* const testInfo =
-            ::testing::UnitTest::GetInstance()->current_test_info();
-        ALOGV("End test:   %s.%s", testInfo->test_case_name(),
-                testInfo->name());
-    }
-
-    virtual EGLint const* getConfigAttribs() {
-        static EGLint sDefaultConfigAttribs[] = {
-            EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
-            EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-            EGL_RED_SIZE, 8,
-            EGL_GREEN_SIZE, 8,
-            EGL_BLUE_SIZE, 8,
-            EGL_ALPHA_SIZE, 8,
-            EGL_DEPTH_SIZE, 16,
-            EGL_STENCIL_SIZE, 8,
-            EGL_NONE };
-
-        return sDefaultConfigAttribs;
-    }
-
-    virtual EGLint const* getContextAttribs() {
-        static EGLint sDefaultContextAttribs[] = {
-            EGL_CONTEXT_CLIENT_VERSION, 2,
-            EGL_NONE };
-
-        return sDefaultContextAttribs;
-    }
-
-    virtual EGLint getSurfaceWidth() {
-        return 512;
-    }
-
-    virtual EGLint getSurfaceHeight() {
-        return 512;
-    }
-
-    ::testing::AssertionResult checkPixel(int x, int y, int r,
-            int g, int b, int a, int tolerance=2) {
-        GLubyte pixel[4];
-        String8 msg;
-        glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
-        GLenum err = glGetError();
-        if (err != GL_NO_ERROR) {
-            msg += String8::format("error reading pixel: %#x", err);
-            while ((err = glGetError()) != GL_NO_ERROR) {
-                msg += String8::format(", %#x", err);
-            }
-            return ::testing::AssertionFailure(
-                    ::testing::Message(msg.string()));
-        }
-        if (r >= 0 && abs(r - int(pixel[0])) > tolerance) {
-            msg += String8::format("r(%d isn't %d)", pixel[0], r);
-        }
-        if (g >= 0 && abs(g - int(pixel[1])) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("g(%d isn't %d)", pixel[1], g);
-        }
-        if (b >= 0 && abs(b - int(pixel[2])) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("b(%d isn't %d)", pixel[2], b);
-        }
-        if (a >= 0 && abs(a - int(pixel[3])) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("a(%d isn't %d)", pixel[3], a);
-        }
-        if (!msg.isEmpty()) {
-            return ::testing::AssertionFailure(
-                    ::testing::Message(msg.string()));
-        } else {
-            return ::testing::AssertionSuccess();
-        }
-    }
-
-    ::testing::AssertionResult assertRectEq(const Rect &r1,
-        const Rect &r2, int tolerance=1) {
-
-        String8 msg;
-
-        if (abs(r1.left - r2.left) > tolerance) {
-            msg += String8::format("left(%d isn't %d)", r1.left, r2.left);
-        }
-        if (abs(r1.top - r2.top) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("top(%d isn't %d)", r1.top, r2.top);
-        }
-        if (abs(r1.right - r2.right) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("right(%d isn't %d)", r1.right, r2.right);
-        }
-        if (abs(r1.bottom - r2.bottom) > tolerance) {
-            if (!msg.isEmpty()) {
-                msg += " ";
-            }
-            msg += String8::format("bottom(%d isn't %d)", r1.bottom, r2.bottom);
-        }
-        if (!msg.isEmpty()) {
-            msg += String8::format(" R1: [%d %d %d %d] R2: [%d %d %d %d]",
-                r1.left, r1.top, r1.right, r1.bottom,
-                r2.left, r2.top, r2.right, r2.bottom);
-            fprintf(stderr, "assertRectEq: %s\n", msg.string());
-            return ::testing::AssertionFailure(
-                    ::testing::Message(msg.string()));
-        } else {
-            return ::testing::AssertionSuccess();
-        }
-    }
-
-    int mDisplaySecs;
-    sp<SurfaceComposerClient> mComposerClient;
-    sp<SurfaceControl> mSurfaceControl;
-
-    EGLDisplay mEglDisplay;
-    EGLSurface mEglSurface;
-    EGLContext mEglContext;
-    EGLConfig  mGlConfig;
-};
-
-static void loadShader(GLenum shaderType, const char* pSource,
-        GLuint* outShader) {
-    GLuint shader = glCreateShader(shaderType);
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    if (shader) {
-        glShaderSource(shader, 1, &pSource, NULL);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        glCompileShader(shader);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        GLint compiled = 0;
-        glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        if (!compiled) {
-            GLint infoLen = 0;
-            glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            if (infoLen) {
-                char* buf = (char*) malloc(infoLen);
-                if (buf) {
-                    glGetShaderInfoLog(shader, infoLen, NULL, buf);
-                    printf("Shader compile log:\n%s\n", buf);
-                    free(buf);
-                    FAIL();
-                }
-            } else {
-                char* buf = (char*) malloc(0x1000);
-                if (buf) {
-                    glGetShaderInfoLog(shader, 0x1000, NULL, buf);
-                    printf("Shader compile log:\n%s\n", buf);
-                    free(buf);
-                    FAIL();
-                }
-            }
-            glDeleteShader(shader);
-            shader = 0;
-        }
-    }
-    ASSERT_TRUE(shader != 0);
-    *outShader = shader;
-}
-
-static void createProgram(const char* pVertexSource,
-        const char* pFragmentSource, GLuint* outPgm) {
-    GLuint vertexShader, fragmentShader;
-    {
-        SCOPED_TRACE("compiling vertex shader");
-        ASSERT_NO_FATAL_FAILURE(loadShader(GL_VERTEX_SHADER, pVertexSource,
-                &vertexShader));
-    }
-    {
-        SCOPED_TRACE("compiling fragment shader");
-        ASSERT_NO_FATAL_FAILURE(loadShader(GL_FRAGMENT_SHADER, pFragmentSource,
-                &fragmentShader));
-    }
-
-    GLuint program = glCreateProgram();
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    if (program) {
-        glAttachShader(program, vertexShader);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        glAttachShader(program, fragmentShader);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        glLinkProgram(program);
-        GLint linkStatus = GL_FALSE;
-        glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
-        if (linkStatus != GL_TRUE) {
-            GLint bufLength = 0;
-            glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
-            if (bufLength) {
-                char* buf = (char*) malloc(bufLength);
-                if (buf) {
-                    glGetProgramInfoLog(program, bufLength, NULL, buf);
-                    printf("Program link log:\n%s\n", buf);
-                    free(buf);
-                    FAIL();
-                }
-            }
-            glDeleteProgram(program);
-            program = 0;
-        }
-    }
-    glDeleteShader(vertexShader);
-    glDeleteShader(fragmentShader);
-    ASSERT_TRUE(program != 0);
-    *outPgm = program;
-}
-
-static int abs(int value) {
-    return value > 0 ? value : -value;
-}
-
-
-// XXX: Code above this point should live elsewhere
-
-class MultiTextureConsumerTest : public GLTest {
-protected:
-    enum { TEX_ID = 123 };
-
-    virtual void SetUp() {
-        GLTest::SetUp();
-        sp<BufferQueue> bq = new BufferQueue();
-        mGlConsumer = new GLConsumer(bq, TEX_ID);
-        mSurface = new Surface(bq);
-        mANW = mSurface.get();
-
-    }
-    virtual void TearDown() {
-        GLTest::TearDown();
-    }
-    virtual EGLint const* getContextAttribs() {
-        return NULL;
-    }
-    virtual EGLint const* getConfigAttribs() {
-        static EGLint sDefaultConfigAttribs[] = {
-            EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
-            EGL_RED_SIZE, 8,
-            EGL_GREEN_SIZE, 8,
-            EGL_BLUE_SIZE, 8,
-            EGL_ALPHA_SIZE, 8,
-            EGL_NONE };
-
-        return sDefaultConfigAttribs;
-    }
-    sp<GLConsumer> mGlConsumer;
-    sp<Surface> mSurface;
-    ANativeWindow* mANW;
-};
-
-
-TEST_F(MultiTextureConsumerTest, EGLImageTargetWorks) {
-    ANativeWindow_Buffer buffer;
-
-    ASSERT_EQ(native_window_set_usage(mANW, GRALLOC_USAGE_SW_WRITE_OFTEN), NO_ERROR);
-    ASSERT_EQ(native_window_set_buffers_format(mANW, HAL_PIXEL_FORMAT_RGBA_8888), NO_ERROR);
-
-    glShadeModel(GL_FLAT);
-    glDisable(GL_DITHER);
-    glDisable(GL_CULL_FACE);
-    glViewport(0, 0, getSurfaceWidth(), getSurfaceHeight());
-    glOrthof(0, getSurfaceWidth(), 0, getSurfaceHeight(), 0, 1);
-    glEnableClientState(GL_VERTEX_ARRAY);
-    glColor4f(1, 1, 1, 1);
-
-    glBindTexture(GL_TEXTURE_EXTERNAL_OES, TEX_ID);
-    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-    uint32_t texel = 0x80808080;
-    glBindTexture(GL_TEXTURE_2D, TEX_ID+1);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &texel);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-    glActiveTexture(GL_TEXTURE1);
-    glBindTexture(GL_TEXTURE_2D, TEX_ID+1);
-    glEnable(GL_TEXTURE_2D);
-    glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-    glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_EXTERNAL_OES, TEX_ID);
-    glEnable(GL_TEXTURE_EXTERNAL_OES);
-    glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-    glClear(GL_COLOR_BUFFER_BIT);
-    for (int i=0 ; i<8 ; i++) {
-        mSurface->lock(&buffer, NULL);
-        memset(buffer.bits, (i&7) * 0x20, buffer.stride * buffer.height * 4);
-        mSurface->unlockAndPost();
-
-        mGlConsumer->updateTexImage();
-
-        GLfloat vertices[][2] = { {i*16.0f, 0}, {(i+1)*16.0f, 0}, {(i+1)*16.0f, 16.0f}, {i*16.0f, 16.0f} };
-        glVertexPointer(2, GL_FLOAT, 0, vertices);
-        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    }
-
-    for (int i=0 ; i<8 ; i++) {
-        EXPECT_TRUE(checkPixel(i*16 + 8,  8, i*16, i*16, i*16, i*16, 0));
-    }
-}
-
-
-
-class SurfaceTextureGLTest : public GLTest {
-protected:
-    enum { TEX_ID = 123 };
-
-    virtual void SetUp() {
-        GLTest::SetUp();
-        sp<BufferQueue> bq = new BufferQueue();
-        mBQ = bq;
-        mST = new GLConsumer(bq, TEX_ID);
-        mSTC = new Surface(bq);
-        mANW = mSTC;
-        mTextureRenderer = new TextureRenderer(TEX_ID, mST);
-        ASSERT_NO_FATAL_FAILURE(mTextureRenderer->SetUp());
-        mFW = new FrameWaiter;
-        mST->setFrameAvailableListener(mFW);
-    }
-
-    virtual void TearDown() {
-        mANW.clear();
-        mSTC.clear();
-        mST.clear();
-        GLTest::TearDown();
-    }
-
-    void drawTexture() {
-        mTextureRenderer->drawTexture();
-    }
-
-    class TextureRenderer: public RefBase {
-    public:
-        TextureRenderer(GLuint texName, const sp<GLConsumer>& st):
-                mTexName(texName),
-                mST(st) {
-        }
-
-        void SetUp() {
-            const char vsrc[] =
-                "attribute vec4 vPosition;\n"
-                "varying vec2 texCoords;\n"
-                "uniform mat4 texMatrix;\n"
-                "void main() {\n"
-                "  vec2 vTexCoords = 0.5 * (vPosition.xy + vec2(1.0, 1.0));\n"
-                "  texCoords = (texMatrix * vec4(vTexCoords, 0.0, 1.0)).xy;\n"
-                "  gl_Position = vPosition;\n"
-                "}\n";
-
-            const char fsrc[] =
-                "#extension GL_OES_EGL_image_external : require\n"
-                "precision mediump float;\n"
-                "uniform samplerExternalOES texSampler;\n"
-                "varying vec2 texCoords;\n"
-                "void main() {\n"
-                "  gl_FragColor = texture2D(texSampler, texCoords);\n"
-                "}\n";
-
-            {
-                SCOPED_TRACE("creating shader program");
-                ASSERT_NO_FATAL_FAILURE(createProgram(vsrc, fsrc, &mPgm));
-            }
-
-            mPositionHandle = glGetAttribLocation(mPgm, "vPosition");
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            ASSERT_NE(-1, mPositionHandle);
-            mTexSamplerHandle = glGetUniformLocation(mPgm, "texSampler");
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            ASSERT_NE(-1, mTexSamplerHandle);
-            mTexMatrixHandle = glGetUniformLocation(mPgm, "texMatrix");
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            ASSERT_NE(-1, mTexMatrixHandle);
-        }
-
-        // drawTexture draws the GLConsumer over the entire GL viewport.
-        void drawTexture() {
-            static const GLfloat triangleVertices[] = {
-                -1.0f, 1.0f,
-                -1.0f, -1.0f,
-                1.0f, -1.0f,
-                1.0f, 1.0f,
-            };
-
-            glVertexAttribPointer(mPositionHandle, 2, GL_FLOAT, GL_FALSE, 0,
-                    triangleVertices);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            glEnableVertexAttribArray(mPositionHandle);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-
-            glUseProgram(mPgm);
-            glUniform1i(mTexSamplerHandle, 0);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-
-            // XXX: These calls are not needed for GL_TEXTURE_EXTERNAL_OES as
-            // they're setting the defautls for that target, but when hacking
-            // things to use GL_TEXTURE_2D they are needed to achieve the same
-            // behavior.
-            glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER,
-                    GL_LINEAR);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER,
-                    GL_LINEAR);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S,
-                    GL_CLAMP_TO_EDGE);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-            glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T,
-                    GL_CLAMP_TO_EDGE);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-
-            GLfloat texMatrix[16];
-            mST->getTransformMatrix(texMatrix);
-            glUniformMatrix4fv(mTexMatrixHandle, 1, GL_FALSE, texMatrix);
-
-            glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-            ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-        }
-
-        GLuint mTexName;
-        sp<GLConsumer> mST;
-        GLuint mPgm;
-        GLint mPositionHandle;
-        GLint mTexSamplerHandle;
-        GLint mTexMatrixHandle;
-    };
-
-    class FrameWaiter : public GLConsumer::FrameAvailableListener {
-    public:
-        FrameWaiter():
-                mPendingFrames(0) {
-        }
-
-        void waitForFrame() {
-            Mutex::Autolock lock(mMutex);
-            while (mPendingFrames == 0) {
-                mCondition.wait(mMutex);
-            }
-            mPendingFrames--;
-        }
-
-        virtual void onFrameAvailable() {
-            Mutex::Autolock lock(mMutex);
-            mPendingFrames++;
-            mCondition.signal();
-        }
-
-        int mPendingFrames;
-        Mutex mMutex;
-        Condition mCondition;
-    };
-
-    // Note that GLConsumer will lose the notifications
-    // onBuffersReleased and onFrameAvailable as there is currently
-    // 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 BnConsumerListener {
-    public:
-        DisconnectWaiter () :
-            mWaitForDisconnect(false),
-            mPendingFrames(0) {
-        }
-
-        void waitForFrame() {
-            Mutex::Autolock lock(mMutex);
-            while (mPendingFrames == 0) {
-                mFrameCondition.wait(mMutex);
-            }
-            mPendingFrames--;
-        }
-
-        virtual void onFrameAvailable() {
-            Mutex::Autolock lock(mMutex);
-            mPendingFrames++;
-            mFrameCondition.signal();
-        }
-
-        virtual void onBuffersReleased() {
-            Mutex::Autolock lock(mMutex);
-            while (!mWaitForDisconnect) {
-                mDisconnectCondition.wait(mMutex);
-            }
-        }
-
-        void finishDisconnect() {
-            Mutex::Autolock lock(mMutex);
-            mWaitForDisconnect = true;
-            mDisconnectCondition.signal();
-        }
-
-    private:
-        Mutex mMutex;
-
-        bool mWaitForDisconnect;
-        Condition mDisconnectCondition;
-
-        int mPendingFrames;
-        Condition mFrameCondition;
-    };
-
-    sp<BufferQueue> mBQ;
-    sp<GLConsumer> mST;
-    sp<Surface> mSTC;
-    sp<ANativeWindow> mANW;
-    sp<TextureRenderer> mTextureRenderer;
-    sp<FrameWaiter> mFW;
-};
-
-// Fill a YV12 buffer with a multi-colored checkerboard pattern
-void fillYV12Buffer(uint8_t* buf, int w, int h, int stride) {
-    const int blockWidth = w > 16 ? w / 16 : 1;
-    const int blockHeight = h > 16 ? h / 16 : 1;
-    const int yuvTexOffsetY = 0;
-    int yuvTexStrideY = stride;
-    int yuvTexOffsetV = yuvTexStrideY * h;
-    int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
-    int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
-    int yuvTexStrideU = yuvTexStrideV;
-    for (int x = 0; x < w; x++) {
-        for (int y = 0; y < h; y++) {
-            int parityX = (x / blockWidth) & 1;
-            int parityY = (y / blockHeight) & 1;
-            unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
-            buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
-            if (x < w / 2 && y < h / 2) {
-                buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
-                if (x * 2 < w / 2 && y * 2 < h / 2) {
-                    buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 0] =
-                    buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 1] =
-                    buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 0] =
-                    buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 1] =
-                        intensity;
-                }
-            }
-        }
-    }
-}
-
-// Fill a YV12 buffer with red outside a given rectangle and green inside it.
-void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
-        const android_native_rect_t& rect) {
-    const int yuvTexOffsetY = 0;
-    int yuvTexStrideY = stride;
-    int yuvTexOffsetV = yuvTexStrideY * h;
-    int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
-    int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
-    int yuvTexStrideU = yuvTexStrideV;
-    for (int x = 0; x < w; x++) {
-        for (int y = 0; y < h; y++) {
-            bool inside = rect.left <= x && x < rect.right &&
-                    rect.top <= y && y < rect.bottom;
-            buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = inside ? 240 : 64;
-            if (x < w / 2 && y < h / 2) {
-                bool inside = rect.left <= 2*x && 2*x < rect.right &&
-                        rect.top <= 2*y && 2*y < rect.bottom;
-                buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = 16;
-                buf[yuvTexOffsetV + (y * yuvTexStrideV) + x] =
-                        inside ? 16 : 255;
-            }
-        }
-    }
-}
-
-void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride) {
-    const size_t PIXEL_SIZE = 4;
-    for (int x = 0; x < w; x++) {
-        for (int y = 0; y < h; y++) {
-            off_t offset = (y * stride + x) * PIXEL_SIZE;
-            for (int c = 0; c < 4; c++) {
-                int parityX = (x / (1 << (c+2))) & 1;
-                int parityY = (y / (1 << (c+2))) & 1;
-                buf[offset + c] = (parityX ^ parityY) ? 231 : 35;
-            }
-        }
-    }
-}
-
-void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride, uint8_t r,
-        uint8_t g, uint8_t b, uint8_t a) {
-    const size_t PIXEL_SIZE = 4;
-    for (int y = 0; y < h; y++) {
-        for (int x = 0; x < h; x++) {
-            off_t offset = (y * stride + x) * PIXEL_SIZE;
-            buf[offset + 0] = r;
-            buf[offset + 1] = g;
-            buf[offset + 2] = b;
-            buf[offset + 3] = a;
-        }
-    }
-}
-
-// Produce a single RGBA8 frame by filling a buffer with a checkerboard pattern
-// using the CPU.  This assumes that the ANativeWindow is already configured to
-// allow this to be done (e.g. the format is set to RGBA8).
-//
-// Calls to this function should be wrapped in an ASSERT_NO_FATAL_FAILURE().
-void produceOneRGBA8Frame(const sp<ANativeWindow>& anw) {
-    android_native_buffer_t* anb;
-    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
-            &anb));
-    ASSERT_TRUE(anb != NULL);
-
-    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-    uint8_t* img = NULL;
-    ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
-            (void**)(&img)));
-    fillRGBA8Buffer(img, buf->getWidth(), buf->getHeight(), buf->getStride());
-    ASSERT_EQ(NO_ERROR, buf->unlock());
-    ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf->getNativeBuffer(),
-            -1));
-}
-
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferNpot) {
-    const int texWidth = 64;
-    const int texHeight = 66;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    ANativeWindowBuffer* anb;
-    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    ASSERT_TRUE(anb != NULL);
-
-    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-    // Fill the buffer with the a checkerboard pattern
-    uint8_t* img = NULL;
-    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
-    fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
-    buf->unlock();
-    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
-            -1));
-
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 255, 127, 255, 255, 3));
-    EXPECT_TRUE(checkPixel(63,  0,   0, 133,   0, 255, 3));
-    EXPECT_TRUE(checkPixel(63, 65,   0, 133,   0, 255, 3));
-    EXPECT_TRUE(checkPixel( 0, 65, 255, 127, 255, 255, 3));
-
-    EXPECT_TRUE(checkPixel(22, 44, 255, 127, 255, 255, 3));
-    EXPECT_TRUE(checkPixel(45, 52, 255, 127, 255, 255, 3));
-    EXPECT_TRUE(checkPixel(52, 51,  98, 255,  73, 255, 3));
-    EXPECT_TRUE(checkPixel( 7, 31, 155,   0, 118, 255, 3));
-    EXPECT_TRUE(checkPixel(31,  9, 107,  24,  87, 255, 3));
-    EXPECT_TRUE(checkPixel(29, 35, 255, 127, 255, 255, 3));
-    EXPECT_TRUE(checkPixel(36, 22, 155,  29,   0, 255, 3));
-}
-
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferPow2) {
-    const int texWidth = 64;
-    const int texHeight = 64;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    ANativeWindowBuffer* anb;
-    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    ASSERT_TRUE(anb != NULL);
-
-    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-    // Fill the buffer with the a checkerboard pattern
-    uint8_t* img = NULL;
-    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
-    fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
-    buf->unlock();
-    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
-            -1));
-
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0,   0, 133,   0, 255));
-    EXPECT_TRUE(checkPixel(63,  0, 255, 127, 255, 255));
-    EXPECT_TRUE(checkPixel(63, 63,   0, 133,   0, 255));
-    EXPECT_TRUE(checkPixel( 0, 63, 255, 127, 255, 255));
-
-    EXPECT_TRUE(checkPixel(22, 19, 100, 255,  74, 255));
-    EXPECT_TRUE(checkPixel(45, 11, 100, 255,  74, 255));
-    EXPECT_TRUE(checkPixel(52, 12, 155,   0, 181, 255));
-    EXPECT_TRUE(checkPixel( 7, 32, 150, 237, 170, 255));
-    EXPECT_TRUE(checkPixel(31, 54,   0,  71, 117, 255));
-    EXPECT_TRUE(checkPixel(29, 28,   0, 133,   0, 255));
-    EXPECT_TRUE(checkPixel(36, 41, 100, 232, 255, 255));
-}
-
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferWithCrop) {
-    const int texWidth = 64;
-    const int texHeight = 66;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    android_native_rect_t crops[] = {
-        {4, 6, 22, 36},
-        {0, 6, 22, 36},
-        {4, 0, 22, 36},
-        {4, 6, texWidth, 36},
-        {4, 6, 22, texHeight},
-    };
-
-    for (int i = 0; i < 5; i++) {
-        const android_native_rect_t& crop(crops[i]);
-        SCOPED_TRACE(String8::format("rect{ l: %d t: %d r: %d b: %d }",
-                crop.left, crop.top, crop.right, crop.bottom).string());
-
-        ASSERT_EQ(NO_ERROR, native_window_set_crop(mANW.get(), &crop));
-
-        ANativeWindowBuffer* anb;
-        ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-                &anb));
-        ASSERT_TRUE(anb != NULL);
-
-        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-        uint8_t* img = NULL;
-        buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
-        fillYV12BufferRect(img, texWidth, texHeight, buf->getStride(), crop);
-        buf->unlock();
-        ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
-                buf->getNativeBuffer(), -1));
-
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-        glClearColor(0.2, 0.2, 0.2, 0.2);
-        glClear(GL_COLOR_BUFFER_BIT);
-
-        glViewport(0, 0, 64, 64);
-        drawTexture();
-
-        EXPECT_TRUE(checkPixel( 0,  0,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(63,  0,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(63, 63,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel( 0, 63,  82, 255,  35, 255));
-
-        EXPECT_TRUE(checkPixel(25, 14,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(35, 31,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(57,  6,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel( 5, 42,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(32, 33,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(16, 26,  82, 255,  35, 255));
-        EXPECT_TRUE(checkPixel(46, 51,  82, 255,  35, 255));
-    }
-}
-
-// This test is intended to catch synchronization bugs between the CPU-written
-// and GPU-read buffers.
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BuffersRepeatedly) {
-    enum { texWidth = 16 };
-    enum { texHeight = 16 };
-    enum { numFrames = 1024 };
-
-    ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    struct TestPixel {
-        int x;
-        int y;
-    };
-    const TestPixel testPixels[] = {
-        {  4, 11 },
-        { 12, 14 },
-        {  7,  2 },
-    };
-    enum {numTestPixels = sizeof(testPixels) / sizeof(testPixels[0])};
-
-    class ProducerThread : public Thread {
-    public:
-        ProducerThread(const sp<ANativeWindow>& anw,
-                const TestPixel* testPixels):
-                mANW(anw),
-                mTestPixels(testPixels) {
-        }
-
-        virtual ~ProducerThread() {
-        }
-
-        virtual bool threadLoop() {
-            for (int i = 0; i < numFrames; i++) {
-                ANativeWindowBuffer* anb;
-                if (native_window_dequeue_buffer_and_wait(mANW.get(),
-                        &anb) != NO_ERROR) {
-                    return false;
-                }
-                if (anb == NULL) {
-                    return false;
-                }
-
-                sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-                const int yuvTexOffsetY = 0;
-                int stride = buf->getStride();
-                int yuvTexStrideY = stride;
-                int yuvTexOffsetV = yuvTexStrideY * texHeight;
-                int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
-                int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * texHeight/2;
-                int yuvTexStrideU = yuvTexStrideV;
-
-                uint8_t* img = NULL;
-                buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
-
-                // Gray out all the test pixels first, so we're more likely to
-                // see a failure if GL is still texturing from the buffer we
-                // just dequeued.
-                for (int j = 0; j < numTestPixels; j++) {
-                    int x = mTestPixels[j].x;
-                    int y = mTestPixels[j].y;
-                    uint8_t value = 128;
-                    img[y*stride + x] = value;
-                }
-
-                // Fill the buffer with gray.
-                for (int y = 0; y < texHeight; y++) {
-                    for (int x = 0; x < texWidth; x++) {
-                        img[yuvTexOffsetY + y*yuvTexStrideY + x] = 128;
-                        img[yuvTexOffsetU + (y/2)*yuvTexStrideU + x/2] = 128;
-                        img[yuvTexOffsetV + (y/2)*yuvTexStrideV + x/2] = 128;
-                    }
-                }
-
-                // Set the test pixels to either white or black.
-                for (int j = 0; j < numTestPixels; j++) {
-                    int x = mTestPixels[j].x;
-                    int y = mTestPixels[j].y;
-                    uint8_t value = 0;
-                    if (j == (i % numTestPixels)) {
-                        value = 255;
-                    }
-                    img[y*stride + x] = value;
-                }
-
-                buf->unlock();
-                if (mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(), -1)
-                        != NO_ERROR) {
-                    return false;
-                }
-            }
-            return false;
-        }
-
-        sp<ANativeWindow> mANW;
-        const TestPixel* mTestPixels;
-    };
-
-    sp<Thread> pt(new ProducerThread(mANW, testPixels));
-    pt->run();
-
-    glViewport(0, 0, texWidth, texHeight);
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    // We wait for the first two frames up front so that the producer will be
-    // likely to dequeue the buffer that's currently being textured from.
-    mFW->waitForFrame();
-    mFW->waitForFrame();
-
-    for (int i = 0; i < numFrames; i++) {
-        SCOPED_TRACE(String8::format("frame %d", i).string());
-
-        // We must wait for each frame to come in because if we ever do an
-        // updateTexImage call that doesn't consume a newly available buffer
-        // then the producer and consumer will get out of sync, which will cause
-        // a deadlock.
-        if (i > 1) {
-            mFW->waitForFrame();
-        }
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        drawTexture();
-
-        for (int j = 0; j < numTestPixels; j++) {
-            int x = testPixels[j].x;
-            int y = testPixels[j].y;
-            uint8_t value = 0;
-            if (j == (i % numTestPixels)) {
-                // We must y-invert the texture coords
-                EXPECT_TRUE(checkPixel(x, texHeight-y-1, 255, 255, 255, 255));
-            } else {
-                // We must y-invert the texture coords
-                EXPECT_TRUE(checkPixel(x, texHeight-y-1, 0, 0, 0, 255));
-            }
-        }
-    }
-
-    pt->requestExitAndWait();
-}
-
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferNpot) {
-    const int texWidth = 64;
-    const int texHeight = 66;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-    EXPECT_TRUE(checkPixel(63,  0, 231, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(63, 65, 231, 231, 231, 231));
-    EXPECT_TRUE(checkPixel( 0, 65,  35,  35,  35,  35));
-
-    EXPECT_TRUE(checkPixel(15, 10,  35, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(23, 65, 231,  35, 231,  35));
-    EXPECT_TRUE(checkPixel(19, 40,  35, 231,  35,  35));
-    EXPECT_TRUE(checkPixel(38, 30, 231,  35,  35,  35));
-    EXPECT_TRUE(checkPixel(42, 54,  35,  35,  35, 231));
-    EXPECT_TRUE(checkPixel(37, 34,  35, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(31,  8, 231,  35,  35, 231));
-    EXPECT_TRUE(checkPixel(37, 47, 231,  35, 231, 231));
-    EXPECT_TRUE(checkPixel(25, 38,  35,  35,  35,  35));
-    EXPECT_TRUE(checkPixel(49,  6,  35, 231,  35,  35));
-    EXPECT_TRUE(checkPixel(54, 50,  35, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(27, 26, 231, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(10,  6,  35,  35, 231, 231));
-    EXPECT_TRUE(checkPixel(29,  4,  35,  35,  35, 231));
-    EXPECT_TRUE(checkPixel(55, 28,  35,  35, 231,  35));
-    EXPECT_TRUE(checkPixel(58, 55,  35,  35, 231, 231));
-}
-
-TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferPow2) {
-    const int texWidth = 64;
-    const int texHeight = 64;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
-    ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
-            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
-
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 231, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(63,  0,  35,  35,  35,  35));
-    EXPECT_TRUE(checkPixel(63, 63, 231, 231, 231, 231));
-    EXPECT_TRUE(checkPixel( 0, 63,  35,  35,  35,  35));
-
-    EXPECT_TRUE(checkPixel(12, 46, 231, 231, 231,  35));
-    EXPECT_TRUE(checkPixel(16,  1, 231, 231,  35, 231));
-    EXPECT_TRUE(checkPixel(21, 12, 231,  35,  35, 231));
-    EXPECT_TRUE(checkPixel(26, 51, 231,  35, 231,  35));
-    EXPECT_TRUE(checkPixel( 5, 32,  35, 231, 231,  35));
-    EXPECT_TRUE(checkPixel(13,  8,  35, 231, 231, 231));
-    EXPECT_TRUE(checkPixel(46,  3,  35,  35, 231,  35));
-    EXPECT_TRUE(checkPixel(30, 33,  35,  35,  35,  35));
-    EXPECT_TRUE(checkPixel( 6, 52, 231, 231,  35,  35));
-    EXPECT_TRUE(checkPixel(55, 33,  35, 231,  35, 231));
-    EXPECT_TRUE(checkPixel(16, 29,  35,  35, 231, 231));
-    EXPECT_TRUE(checkPixel( 1, 30,  35,  35,  35, 231));
-    EXPECT_TRUE(checkPixel(41, 37,  35,  35, 231, 231));
-    EXPECT_TRUE(checkPixel(46, 29, 231, 231,  35,  35));
-    EXPECT_TRUE(checkPixel(15, 25,  35, 231,  35, 231));
-    EXPECT_TRUE(checkPixel( 3, 52,  35, 231,  35,  35));
-}
-
-// Tests if GLConsumer and BufferQueue are robust enough
-// to handle a special case where updateTexImage is called
-// in the middle of disconnect.  This ordering is enforced
-// by blocking in the disconnect callback.
-TEST_F(SurfaceTextureGLTest, DisconnectStressTest) {
-
-    class ProducerThread : public Thread {
-    public:
-        ProducerThread(const sp<ANativeWindow>& anw):
-                mANW(anw) {
-        }
-
-        virtual ~ProducerThread() {
-        }
-
-        virtual bool threadLoop() {
-            ANativeWindowBuffer* anb;
-
-            native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_EGL);
-
-            for (int numFrames =0 ; numFrames < 2; numFrames ++) {
-
-                if (native_window_dequeue_buffer_and_wait(mANW.get(),
-                        &anb) != NO_ERROR) {
-                    return false;
-                }
-                if (anb == NULL) {
-                    return false;
-                }
-                if (mANW->queueBuffer(mANW.get(), anb, -1)
-                        != NO_ERROR) {
-                    return false;
-                }
-            }
-
-            native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_EGL);
-
-            return false;
-        }
-
-    private:
-        sp<ANativeWindow> mANW;
-    };
-
-    sp<DisconnectWaiter> dw(new DisconnectWaiter());
-    mBQ->consumerConnect(dw, false);
-
-
-    sp<Thread> pt(new ProducerThread(mANW));
-    pt->run();
-
-    // eat a frame so GLConsumer will own an at least one slot
-    dw->waitForFrame();
-    EXPECT_EQ(OK,mST->updateTexImage());
-
-    dw->waitForFrame();
-    // Could fail here as GLConsumer thinks it still owns the slot
-    // but bufferQueue has released all slots
-    EXPECT_EQ(OK,mST->updateTexImage());
-
-    dw->finishDisconnect();
-}
-
-
-// This test ensures that the GLConsumer clears the mCurrentTexture
-// when it is disconnected and reconnected.  Otherwise it will
-// attempt to release a buffer that it does not owned
-TEST_F(SurfaceTextureGLTest, DisconnectClearsCurrentTexture) {
-    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
-            NATIVE_WINDOW_API_EGL));
-
-    ANativeWindowBuffer *anb;
-
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-
-    EXPECT_EQ(OK,mST->updateTexImage());
-    EXPECT_EQ(OK,mST->updateTexImage());
-
-    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
-            NATIVE_WINDOW_API_EGL));
-    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
-            NATIVE_WINDOW_API_EGL));
-
-    EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-
-    // Will fail here if mCurrentTexture is not cleared properly
-    mFW->waitForFrame();
-    EXPECT_EQ(OK,mST->updateTexImage());
-
-    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
-            NATIVE_WINDOW_API_EGL));
-}
-
-TEST_F(SurfaceTextureGLTest, ScaleToWindowMode) {
-    ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
-        NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW));
-
-    // The producer image size
-    ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
-
-    // The consumer image size (16 x 9) ratio
-    mST->setDefaultBufferSize(1280, 720);
-
-    ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
-            NATIVE_WINDOW_API_CPU));
-
-    ANativeWindowBuffer *anb;
-
-    android_native_rect_t odd = {23, 78, 123, 477};
-    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &odd));
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-    mFW->waitForFrame();
-    EXPECT_EQ(OK, mST->updateTexImage());
-    Rect r = mST->getCurrentCrop();
-    assertRectEq(Rect(23, 78, 123, 477), r);
-
-    ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
-            NATIVE_WINDOW_API_CPU));
-}
-
-// This test ensures the scaling mode does the right thing
-// ie NATIVE_WINDOW_SCALING_MODE_CROP should crop
-// the image such that it has the same aspect ratio as the
-// default buffer size
-TEST_F(SurfaceTextureGLTest, CroppedScalingMode) {
-    ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
-        NATIVE_WINDOW_SCALING_MODE_SCALE_CROP));
-
-    // The producer image size
-    ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
-
-    // The consumer image size (16 x 9) ratio
-    mST->setDefaultBufferSize(1280, 720);
-
-    native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU);
-
-    ANativeWindowBuffer *anb;
-
-    // The crop is in the shape of (320, 180) === 16 x 9
-    android_native_rect_t standard = {10, 20, 330, 200};
-    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &standard));
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-    mFW->waitForFrame();
-    EXPECT_EQ(OK, mST->updateTexImage());
-    Rect r = mST->getCurrentCrop();
-    // crop should be the same as crop (same aspect ratio)
-    assertRectEq(Rect(10, 20, 330, 200), r);
-
-    // make this wider then desired aspect 239 x 100 (2.39:1)
-    android_native_rect_t wide = {20, 30, 259, 130};
-    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &wide));
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-    mFW->waitForFrame();
-    EXPECT_EQ(OK, mST->updateTexImage());
-    r = mST->getCurrentCrop();
-    // crop should be the same height, but have cropped left and right borders
-    // offset is 30.6 px L+, R-
-    assertRectEq(Rect(51, 30, 228, 130), r);
-
-    // This image is taller then desired aspect 400 x 300 (4:3)
-    android_native_rect_t narrow = {0, 0, 400, 300};
-    ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &narrow));
-    EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
-    EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
-    mFW->waitForFrame();
-    EXPECT_EQ(OK, mST->updateTexImage());
-    r = mST->getCurrentCrop();
-    // crop should be the same width, but have cropped top and bottom borders
-    // offset is 37.5 px
-    assertRectEq(Rect(0, 37, 400, 262), r);
-
-    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
-}
-
-TEST_F(SurfaceTextureGLTest, AbandonUnblocksDequeueBuffer) {
-    class ProducerThread : public Thread {
-    public:
-        ProducerThread(const sp<ANativeWindow>& anw):
-                mANW(anw),
-                mDequeueError(NO_ERROR) {
-        }
-
-        virtual ~ProducerThread() {
-        }
-
-        virtual bool threadLoop() {
-            Mutex::Autolock lock(mMutex);
-            ANativeWindowBuffer* anb;
-
-            // Frame 1
-            if (native_window_dequeue_buffer_and_wait(mANW.get(),
-                    &anb) != NO_ERROR) {
-                return false;
-            }
-            if (anb == NULL) {
-                return false;
-            }
-            if (mANW->queueBuffer(mANW.get(), anb, -1)
-                    != NO_ERROR) {
-                return false;
-            }
-
-            // Frame 2
-            if (native_window_dequeue_buffer_and_wait(mANW.get(),
-                    &anb) != NO_ERROR) {
-                return false;
-            }
-            if (anb == NULL) {
-                return false;
-            }
-            if (mANW->queueBuffer(mANW.get(), anb, -1)
-                    != NO_ERROR) {
-                return false;
-            }
-
-            // Frame 3 - error expected
-            mDequeueError = native_window_dequeue_buffer_and_wait(mANW.get(),
-                &anb);
-            return false;
-        }
-
-        status_t getDequeueError() {
-            Mutex::Autolock lock(mMutex);
-            return mDequeueError;
-        }
-
-    private:
-        sp<ANativeWindow> mANW;
-        status_t mDequeueError;
-        Mutex mMutex;
-    };
-
-    ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
-
-    sp<Thread> pt(new ProducerThread(mANW));
-    pt->run();
-
-    mFW->waitForFrame();
-    mFW->waitForFrame();
-
-    // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
-    // block waiting for a buffer to become available.
-    usleep(100000);
-
-    mST->abandon();
-
-    pt->requestExitAndWait();
-    ASSERT_EQ(NO_INIT,
-            reinterpret_cast<ProducerThread*>(pt.get())->getDequeueError());
-}
-
-TEST_F(SurfaceTextureGLTest, InvalidWidthOrHeightFails) {
-    int texHeight = 16;
-    ANativeWindowBuffer* anb;
-
-    GLint maxTextureSize;
-    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
-
-    // make sure it works with small textures
-    mST->setDefaultBufferSize(16, texHeight);
-    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    EXPECT_EQ(16, anb->width);
-    EXPECT_EQ(texHeight, anb->height);
-    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
-    EXPECT_EQ(NO_ERROR, mST->updateTexImage());
-
-    // make sure it works with GL_MAX_TEXTURE_SIZE
-    mST->setDefaultBufferSize(maxTextureSize, texHeight);
-    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    EXPECT_EQ(maxTextureSize, anb->width);
-    EXPECT_EQ(texHeight, anb->height);
-    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
-    EXPECT_EQ(NO_ERROR, mST->updateTexImage());
-
-    // make sure it fails with GL_MAX_TEXTURE_SIZE+1
-    mST->setDefaultBufferSize(maxTextureSize+1, texHeight);
-    EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    EXPECT_EQ(maxTextureSize+1, anb->width);
-    EXPECT_EQ(texHeight, anb->height);
-    EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
-    ASSERT_NE(NO_ERROR, mST->updateTexImage());
-}
-
-/*
- * This test fixture is for testing GL -> GL texture streaming.  It creates an
- * EGLSurface and an EGLContext for the image producer to use.
- */
-class SurfaceTextureGLToGLTest : public SurfaceTextureGLTest {
-protected:
-    SurfaceTextureGLToGLTest():
-            mProducerEglSurface(EGL_NO_SURFACE),
-            mProducerEglContext(EGL_NO_CONTEXT) {
-    }
-
-    virtual void SetUp() {
-        SurfaceTextureGLTest::SetUp();
-
-        mProducerEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
-                mANW.get(), NULL);
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_SURFACE, mProducerEglSurface);
-
-        mProducerEglContext = eglCreateContext(mEglDisplay, mGlConfig,
-                EGL_NO_CONTEXT, getContextAttribs());
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_CONTEXT, mProducerEglContext);
-    }
-
-    virtual void TearDown() {
-        if (mProducerEglContext != EGL_NO_CONTEXT) {
-            eglDestroyContext(mEglDisplay, mProducerEglContext);
-        }
-        if (mProducerEglSurface != EGL_NO_SURFACE) {
-            eglDestroySurface(mEglDisplay, mProducerEglSurface);
-        }
-        SurfaceTextureGLTest::TearDown();
-    }
-
-    EGLSurface mProducerEglSurface;
-    EGLContext mProducerEglContext;
-};
-
-TEST_F(SurfaceTextureGLToGLTest, TransformHintGetsRespected) {
-    const uint32_t texWidth = 32;
-    const uint32_t texHeight = 64;
-
-    mST->setDefaultBufferSize(texWidth, texHeight);
-    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
-
-    // This test requires 3 buffers to avoid deadlock because we're
-    // both producer and consumer, and only using one thread.
-    mST->setDefaultMaxBufferCount(3);
-
-    // Do the producer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Start a buffer with our chosen size and transform hint moving
-    // through the system.
-    glClear(GL_COLOR_BUFFER_BIT);  // give the driver something to do
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-    mST->updateTexImage();  // consume it
-    // Swap again.
-    glClear(GL_COLOR_BUFFER_BIT);
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-    mST->updateTexImage();
-
-    // The current buffer should either show the effects of the transform
-    // hint (in the form of an inverse transform), or show that the
-    // transform hint has been ignored.
-    sp<GraphicBuffer> buf = mST->getCurrentBuffer();
-    if (mST->getCurrentTransform() == NATIVE_WINDOW_TRANSFORM_ROT_270) {
-        ASSERT_EQ(texWidth, buf->getHeight());
-        ASSERT_EQ(texHeight, buf->getWidth());
-    } else {
-        ASSERT_EQ(texWidth, buf->getWidth());
-        ASSERT_EQ(texHeight, buf->getHeight());
-    }
-
-    // Reset the transform hint and confirm that it takes.
-    mST->setTransformHint(0);
-    glClear(GL_COLOR_BUFFER_BIT);
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-    mST->updateTexImage();
-    glClear(GL_COLOR_BUFFER_BIT);
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-    mST->updateTexImage();
-
-    buf = mST->getCurrentBuffer();
-    ASSERT_EQ((uint32_t) 0, mST->getCurrentTransform());
-    ASSERT_EQ(texWidth, buf->getWidth());
-    ASSERT_EQ(texHeight, buf->getHeight());
-}
-
-TEST_F(SurfaceTextureGLToGLTest, TexturingFromGLFilledRGBABufferPow2) {
-    const int texWidth = 64;
-    const int texHeight = 64;
-
-    mST->setDefaultBufferSize(texWidth, texHeight);
-
-    // This test requires 3 buffers to complete run on a single thread.
-    mST->setDefaultMaxBufferCount(3);
-
-    // Do the producer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // This is needed to ensure we pick up a buffer of the correct size.
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    glClearColor(0.6, 0.6, 0.6, 0.6);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glEnable(GL_SCISSOR_TEST);
-    glScissor(4, 4, 4, 4);
-    glClearColor(1.0, 0.0, 0.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glScissor(24, 48, 4, 4);
-    glClearColor(0.0, 1.0, 0.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glScissor(37, 17, 4, 4);
-    glClearColor(0.0, 0.0, 1.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    // Do the consumer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    glDisable(GL_SCISSOR_TEST);
-
-    // Skip the first frame, which was empty
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
-
-    EXPECT_TRUE(checkPixel( 4,  7, 255,   0,   0, 255));
-    EXPECT_TRUE(checkPixel(25, 51,   0, 255,   0, 255));
-    EXPECT_TRUE(checkPixel(40, 19,   0,   0, 255, 255));
-    EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(13,  8, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(46,  3, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
-}
-
-TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
-    sp<GraphicBuffer> buffers[2];
-
-    // This test requires async mode to run on a single thread.
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    for (int i = 0; i < 2; i++) {
-        // Produce a frame
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-                mProducerEglSurface, mProducerEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        glClear(GL_COLOR_BUFFER_BIT);
-        eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-        // Consume a frame
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        mFW->waitForFrame();
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        buffers[i] = mST->getCurrentBuffer();
-    }
-
-    // Destroy the GL texture object to release its ref on buffers[2].
-    GLuint texID = TEX_ID;
-    glDeleteTextures(1, &texID);
-
-    // Destroy the EGLSurface
-    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    mProducerEglSurface = EGL_NO_SURFACE;
-
-    // This test should have the only reference to buffer 0.
-    EXPECT_EQ(1, buffers[0]->getStrongCount());
-
-    // The GLConsumer should hold a single reference to buffer 1 in its
-    // mCurrentBuffer member.  All of the references in the slots should have
-    // been released.
-    EXPECT_EQ(2, buffers[1]->getStrongCount());
-}
-
-TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
-    sp<GraphicBuffer> buffers[3];
-
-    // This test requires async mode to run on a single thread.
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    for (int i = 0; i < 3; i++) {
-        // Produce a frame
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-                mProducerEglSurface, mProducerEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        glClear(GL_COLOR_BUFFER_BIT);
-        EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-        // Consume a frame
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        mFW->waitForFrame();
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        buffers[i] = mST->getCurrentBuffer();
-    }
-
-    // Abandon the GLConsumer, releasing the ref that the GLConsumer has
-    // on buffers[2].
-    mST->abandon();
-
-    // Destroy the GL texture object to release its ref on buffers[2].
-    GLuint texID = TEX_ID;
-    glDeleteTextures(1, &texID);
-
-    // Destroy the EGLSurface.
-    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    mProducerEglSurface = EGL_NO_SURFACE;
-
-    EXPECT_EQ(1, buffers[0]->getStrongCount());
-    EXPECT_EQ(1, buffers[1]->getStrongCount());
-
-    // Depending on how lazily the GL driver dequeues buffers, we may end up
-    // with either two or three total buffers.  If there are three, make sure
-    // the last one was properly down-ref'd.
-    if (buffers[2] != buffers[0]) {
-        EXPECT_EQ(1, buffers[2]->getStrongCount());
-    }
-}
-
-TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentBeforeConsumerDeathUnrefsBuffers) {
-    sp<GraphicBuffer> buffer;
-
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-
-    // Produce a frame
-    glClear(GL_COLOR_BUFFER_BIT);
-    EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Destroy the EGLSurface.
-    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    mProducerEglSurface = EGL_NO_SURFACE;
-    mSTC.clear();
-    mANW.clear();
-    mTextureRenderer.clear();
-
-    // Consume a frame
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    buffer = mST->getCurrentBuffer();
-
-    // Destroy the GL texture object to release its ref
-    GLuint texID = TEX_ID;
-    glDeleteTextures(1, &texID);
-
-    // make un-current, all references to buffer should be gone
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
-            EGL_NO_SURFACE, EGL_NO_CONTEXT));
-
-    // Destroy consumer
-    mST.clear();
-
-    EXPECT_EQ(1, buffer->getStrongCount());
-}
-
-TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentAfterConsumerDeathUnrefsBuffers) {
-    sp<GraphicBuffer> buffer;
-
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-
-    // Produce a frame
-    glClear(GL_COLOR_BUFFER_BIT);
-    EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Destroy the EGLSurface.
-    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    mProducerEglSurface = EGL_NO_SURFACE;
-    mSTC.clear();
-    mANW.clear();
-    mTextureRenderer.clear();
-
-    // Consume a frame
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    buffer = mST->getCurrentBuffer();
-
-    // Destroy the GL texture object to release its ref
-    GLuint texID = TEX_ID;
-    glDeleteTextures(1, &texID);
-
-    // Destroy consumer
-    mST.clear();
-
-    // make un-current, all references to buffer should be gone
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
-            EGL_NO_SURFACE, EGL_NO_CONTEXT));
-
-    EXPECT_EQ(1, buffer->getStrongCount());
-}
-
-TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
-    enum { texWidth = 64 };
-    enum { texHeight = 64 };
-
-    // This test requires 3 buffers to complete run on a single thread.
-    mST->setDefaultMaxBufferCount(3);
-
-    // Set the user buffer size.
-    native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
-
-    // Do the producer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // This is needed to ensure we pick up a buffer of the correct size.
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    glClearColor(0.6, 0.6, 0.6, 0.6);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glEnable(GL_SCISSOR_TEST);
-    glScissor(4, 4, 1, 1);
-    glClearColor(1.0, 0.0, 0.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    // Do the consumer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    glDisable(GL_SCISSOR_TEST);
-
-    // Skip the first frame, which was empty
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
-
-    EXPECT_TRUE(checkPixel( 4,  4, 255,   0,   0, 255));
-    EXPECT_TRUE(checkPixel( 5,  5, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 3,  3, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
-}
-
-TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
-    enum { texWidth = 64 };
-    enum { texHeight = 16 };
-
-    // This test requires 3 buffers to complete run on a single thread.
-    mST->setDefaultMaxBufferCount(3);
-
-    // Set the transform hint.
-    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
-
-    // Set the user buffer size.
-    native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
-
-    // Do the producer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // This is needed to ensure we pick up a buffer of the correct size and the
-    // new rotation hint.
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    glClearColor(0.6, 0.6, 0.6, 0.6);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glEnable(GL_SCISSOR_TEST);
-    glScissor(24, 4, 1, 1);
-    glClearColor(1.0, 0.0, 0.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    // Do the consumer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    glDisable(GL_SCISSOR_TEST);
-
-    // Skip the first frame, which was empty
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
-
-    EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
-    EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
-}
-
-TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
-    enum { texWidth = 64 };
-    enum { texHeight = 16 };
-
-    // This test requires 3 buffers to complete run on a single thread.
-    mST->setDefaultMaxBufferCount(3);
-
-    // Set the transform hint.
-    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
-
-    // Set the default buffer size.
-    mST->setDefaultBufferSize(texWidth, texHeight);
-
-    // Do the producer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
-            mProducerEglSurface, mProducerEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // This is needed to ensure we pick up a buffer of the correct size and the
-    // new rotation hint.
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    glClearColor(0.6, 0.6, 0.6, 0.6);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glEnable(GL_SCISSOR_TEST);
-    glScissor(24, 4, 1, 1);
-    glClearColor(1.0, 0.0, 0.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    eglSwapBuffers(mEglDisplay, mProducerEglSurface);
-
-    // Do the consumer side of things
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    glDisable(GL_SCISSOR_TEST);
-
-    // Skip the first frame, which was empty
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-
-    glViewport(0, 0, texWidth, texHeight);
-    drawTexture();
-
-    EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
-
-    EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
-    EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
-    EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
-}
-
-/*
- * This test fixture is for testing GL -> GL texture streaming from one thread
- * to another.  It contains functionality to create a producer thread that will
- * perform GL rendering to an ANativeWindow that feeds frames to a
- * GLConsumer.  Additionally it supports interlocking the producer and
- * consumer threads so that a specific sequence of calls can be
- * deterministically created by the test.
- *
- * The intended usage is as follows:
- *
- * TEST_F(...) {
- *     class PT : public ProducerThread {
- *         virtual void render() {
- *             ...
- *             swapBuffers();
- *         }
- *     };
- *
- *     runProducerThread(new PT());
- *
- *     // The order of these calls will vary from test to test and may include
- *     // multiple frames and additional operations (e.g. GL rendering from the
- *     // texture).
- *     fc->waitForFrame();
- *     mST->updateTexImage();
- *     fc->finishFrame();
- * }
- *
- */
-class SurfaceTextureGLThreadToGLTest : public SurfaceTextureGLToGLTest {
-protected:
-
-    // ProducerThread is an abstract base class to simplify the creation of
-    // OpenGL ES frame producer threads.
-    class ProducerThread : public Thread {
-    public:
-        virtual ~ProducerThread() {
-        }
-
-        void setEglObjects(EGLDisplay producerEglDisplay,
-                EGLSurface producerEglSurface,
-                EGLContext producerEglContext) {
-            mProducerEglDisplay = producerEglDisplay;
-            mProducerEglSurface = producerEglSurface;
-            mProducerEglContext = producerEglContext;
-        }
-
-        virtual bool threadLoop() {
-            eglMakeCurrent(mProducerEglDisplay, mProducerEglSurface,
-                    mProducerEglSurface, mProducerEglContext);
-            render();
-            eglMakeCurrent(mProducerEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-                    EGL_NO_CONTEXT);
-            return false;
-        }
-
-    protected:
-        virtual void render() = 0;
-
-        void swapBuffers() {
-            eglSwapBuffers(mProducerEglDisplay, mProducerEglSurface);
-        }
-
-        EGLDisplay mProducerEglDisplay;
-        EGLSurface mProducerEglSurface;
-        EGLContext mProducerEglContext;
-    };
-
-    // FrameCondition is a utility class for interlocking between the producer
-    // and consumer threads.  The FrameCondition object should be created and
-    // destroyed in the consumer thread only.  The consumer thread should set
-    // the FrameCondition as the FrameAvailableListener of the GLConsumer,
-    // and should call both waitForFrame and finishFrame once for each expected
-    // frame.
-    //
-    // This interlocking relies on the fact that onFrameAvailable gets called
-    // synchronously from GLConsumer::queueBuffer.
-    class FrameCondition : public GLConsumer::FrameAvailableListener {
-    public:
-        FrameCondition():
-                mFrameAvailable(false),
-                mFrameFinished(false) {
-        }
-
-        // waitForFrame waits for the next frame to arrive.  This should be
-        // called from the consumer thread once for every frame expected by the
-        // test.
-        void waitForFrame() {
-            Mutex::Autolock lock(mMutex);
-            ALOGV("+waitForFrame");
-            while (!mFrameAvailable) {
-                mFrameAvailableCondition.wait(mMutex);
-            }
-            mFrameAvailable = false;
-            ALOGV("-waitForFrame");
-        }
-
-        // Allow the producer to return from its swapBuffers call and continue
-        // on to produce the next frame.  This should be called by the consumer
-        // thread once for every frame expected by the test.
-        void finishFrame() {
-            Mutex::Autolock lock(mMutex);
-            ALOGV("+finishFrame");
-            mFrameFinished = true;
-            mFrameFinishCondition.signal();
-            ALOGV("-finishFrame");
-        }
-
-        // This should be called by GLConsumer on the producer thread.
-        virtual void onFrameAvailable() {
-            Mutex::Autolock lock(mMutex);
-            ALOGV("+onFrameAvailable");
-            mFrameAvailable = true;
-            mFrameAvailableCondition.signal();
-            while (!mFrameFinished) {
-                mFrameFinishCondition.wait(mMutex);
-            }
-            mFrameFinished = false;
-            ALOGV("-onFrameAvailable");
-        }
-
-    protected:
-        bool mFrameAvailable;
-        bool mFrameFinished;
-
-        Mutex mMutex;
-        Condition mFrameAvailableCondition;
-        Condition mFrameFinishCondition;
-    };
-
-    virtual void SetUp() {
-        SurfaceTextureGLToGLTest::SetUp();
-        mFC = new FrameCondition();
-        mST->setFrameAvailableListener(mFC);
-    }
-
-    virtual void TearDown() {
-        if (mProducerThread != NULL) {
-            mProducerThread->requestExitAndWait();
-        }
-        mProducerThread.clear();
-        mFC.clear();
-        SurfaceTextureGLToGLTest::TearDown();
-    }
-
-    void runProducerThread(const sp<ProducerThread> producerThread) {
-        ASSERT_TRUE(mProducerThread == NULL);
-        mProducerThread = producerThread;
-        producerThread->setEglObjects(mEglDisplay, mProducerEglSurface,
-                mProducerEglContext);
-        producerThread->run();
-    }
-
-    sp<ProducerThread> mProducerThread;
-    sp<FrameCondition> mFC;
-};
-
-TEST_F(SurfaceTextureGLThreadToGLTest,
-        UpdateTexImageBeforeFrameFinishedCompletes) {
-    class PT : public ProducerThread {
-        virtual void render() {
-            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
-            glClear(GL_COLOR_BUFFER_BIT);
-            swapBuffers();
-        }
-    };
-
-    runProducerThread(new PT());
-
-    mFC->waitForFrame();
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    mFC->finishFrame();
-
-    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
-}
-
-TEST_F(SurfaceTextureGLThreadToGLTest,
-        UpdateTexImageAfterFrameFinishedCompletes) {
-    class PT : public ProducerThread {
-        virtual void render() {
-            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
-            glClear(GL_COLOR_BUFFER_BIT);
-            swapBuffers();
-        }
-    };
-
-    runProducerThread(new PT());
-
-    mFC->waitForFrame();
-    mFC->finishFrame();
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
-}
-
-TEST_F(SurfaceTextureGLThreadToGLTest,
-        RepeatedUpdateTexImageBeforeFrameFinishedCompletes) {
-    enum { NUM_ITERATIONS = 1024 };
-
-    class PT : public ProducerThread {
-        virtual void render() {
-            for (int i = 0; i < NUM_ITERATIONS; i++) {
-                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
-                glClear(GL_COLOR_BUFFER_BIT);
-                ALOGV("+swapBuffers");
-                swapBuffers();
-                ALOGV("-swapBuffers");
-            }
-        }
-    };
-
-    runProducerThread(new PT());
-
-    for (int i = 0; i < NUM_ITERATIONS; i++) {
-        mFC->waitForFrame();
-        ALOGV("+updateTexImage");
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        ALOGV("-updateTexImage");
-        mFC->finishFrame();
-
-        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
-    }
-}
-
-TEST_F(SurfaceTextureGLThreadToGLTest,
-        RepeatedUpdateTexImageAfterFrameFinishedCompletes) {
-    enum { NUM_ITERATIONS = 1024 };
-
-    class PT : public ProducerThread {
-        virtual void render() {
-            for (int i = 0; i < NUM_ITERATIONS; i++) {
-                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
-                glClear(GL_COLOR_BUFFER_BIT);
-                ALOGV("+swapBuffers");
-                swapBuffers();
-                ALOGV("-swapBuffers");
-            }
-        }
-    };
-
-    runProducerThread(new PT());
-
-    for (int i = 0; i < NUM_ITERATIONS; i++) {
-        mFC->waitForFrame();
-        mFC->finishFrame();
-        ALOGV("+updateTexImage");
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        ALOGV("-updateTexImage");
-
-        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
-    }
-}
-
-// XXX: This test is disabled because it is currently hanging on some devices.
-TEST_F(SurfaceTextureGLThreadToGLTest,
-        DISABLED_RepeatedSwapBuffersWhileDequeueStalledCompletes) {
-    enum { NUM_ITERATIONS = 64 };
-
-    class PT : public ProducerThread {
-        virtual void render() {
-            for (int i = 0; i < NUM_ITERATIONS; i++) {
-                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
-                glClear(GL_COLOR_BUFFER_BIT);
-                ALOGV("+swapBuffers");
-                swapBuffers();
-                ALOGV("-swapBuffers");
-            }
-        }
-    };
-
-    ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
-
-    runProducerThread(new PT());
-
-    // Allow three frames to be rendered and queued before starting the
-    // rendering in this thread.  For the latter two frames we don't call
-    // updateTexImage so the next dequeue from the producer thread will block
-    // waiting for a frame to become available.
-    mFC->waitForFrame();
-    mFC->finishFrame();
-
-    // We must call updateTexImage to consume the first frame so that the
-    // SurfaceTexture is able to reduce the buffer count to 2.  This is because
-    // the GL driver may dequeue a buffer when the EGLSurface is created, and
-    // that happens before we call setDefaultMaxBufferCount.  It's possible that the
-    // driver does not dequeue a buffer at EGLSurface creation time, so we
-    // cannot rely on this to cause the second dequeueBuffer call to block.
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    mFC->waitForFrame();
-    mFC->finishFrame();
-    mFC->waitForFrame();
-    mFC->finishFrame();
-
-    // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
-    // block waiting for a buffer to become available.
-    usleep(100000);
-
-    // Render and present a number of images.  This thread should not be blocked
-    // by the fact that the producer thread is blocking in dequeue.
-    for (int i = 0; i < NUM_ITERATIONS; i++) {
-        glClear(GL_COLOR_BUFFER_BIT);
-        eglSwapBuffers(mEglDisplay, mEglSurface);
-    }
-
-    // Consume the two pending buffers to unblock the producer thread.
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    // Consume the remaining buffers from the producer thread.
-    for (int i = 0; i < NUM_ITERATIONS-3; i++) {
-        mFC->waitForFrame();
-        mFC->finishFrame();
-        ALOGV("+updateTexImage");
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-        ALOGV("-updateTexImage");
-    }
-}
-
-class SurfaceTextureFBOTest : public SurfaceTextureGLTest {
-protected:
-
-    virtual void SetUp() {
-        SurfaceTextureGLTest::SetUp();
-
-        glGenFramebuffers(1, &mFbo);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-
-        glGenTextures(1, &mFboTex);
-        glBindTexture(GL_TEXTURE_2D, mFboTex);
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSurfaceWidth(),
-                getSurfaceHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-        glBindTexture(GL_TEXTURE_2D, 0);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-
-        glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
-        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
-                GL_TEXTURE_2D, mFboTex, 0);
-        glBindFramebuffer(GL_FRAMEBUFFER, 0);
-        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    }
-
-    virtual void TearDown() {
-        SurfaceTextureGLTest::TearDown();
-
-        glDeleteTextures(1, &mFboTex);
-        glDeleteFramebuffers(1, &mFbo);
-    }
-
-    GLuint mFbo;
-    GLuint mFboTex;
-};
-
-// This test is intended to verify that proper synchronization is done when
-// rendering into an FBO.
-TEST_F(SurfaceTextureFBOTest, BlitFromCpuFilledBufferToFbo) {
-    const int texWidth = 64;
-    const int texHeight = 64;
-
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
-    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;
-    ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-            &anb));
-    ASSERT_TRUE(anb != NULL);
-
-    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
-
-    // Fill the buffer with green
-    uint8_t* img = NULL;
-    buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
-    fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 0, 255,
-            0, 255);
-    buf->unlock();
-    ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
-            -1));
-
-    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-    glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
-    drawTexture();
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-    for (int i = 0; i < 4; i++) {
-        SCOPED_TRACE(String8::format("frame %d", i).string());
-
-        ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
-                &anb));
-        ASSERT_TRUE(anb != NULL);
-
-        buf = new GraphicBuffer(anb, false);
-
-        // Fill the buffer with red
-        ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
-                (void**)(&img)));
-        fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 255, 0,
-                0, 255);
-        ASSERT_EQ(NO_ERROR, buf->unlock());
-        ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
-                buf->getNativeBuffer(), -1));
-
-        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
-
-        drawTexture();
-
-        EXPECT_TRUE(checkPixel( 24, 39, 255, 0, 0, 255));
-    }
-
-    glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
-
-    EXPECT_TRUE(checkPixel( 24, 39, 0, 255, 0, 255));
-}
-
-class SurfaceTextureMultiContextGLTest : public SurfaceTextureGLTest {
-protected:
-    enum { SECOND_TEX_ID = 123 };
-    enum { THIRD_TEX_ID = 456 };
-
-    SurfaceTextureMultiContextGLTest():
-            mSecondEglContext(EGL_NO_CONTEXT) {
-    }
-
-    virtual void SetUp() {
-        SurfaceTextureGLTest::SetUp();
-
-        // Set up the secondary context and texture renderer.
-        mSecondEglContext = eglCreateContext(mEglDisplay, mGlConfig,
-                EGL_NO_CONTEXT, getContextAttribs());
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_CONTEXT, mSecondEglContext);
-
-        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mSecondEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        mSecondTextureRenderer = new TextureRenderer(SECOND_TEX_ID, mST);
-        ASSERT_NO_FATAL_FAILURE(mSecondTextureRenderer->SetUp());
-
-        // Set up the tertiary context and texture renderer.
-        mThirdEglContext = eglCreateContext(mEglDisplay, mGlConfig,
-                EGL_NO_CONTEXT, getContextAttribs());
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_CONTEXT, mThirdEglContext);
-
-        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mThirdEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        mThirdTextureRenderer = new TextureRenderer(THIRD_TEX_ID, mST);
-        ASSERT_NO_FATAL_FAILURE(mThirdTextureRenderer->SetUp());
-
-        // Switch back to the primary context to start the tests.
-        ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mEglContext));
-    }
-
-    virtual void TearDown() {
-        if (mThirdEglContext != EGL_NO_CONTEXT) {
-            eglDestroyContext(mEglDisplay, mThirdEglContext);
-        }
-        if (mSecondEglContext != EGL_NO_CONTEXT) {
-            eglDestroyContext(mEglDisplay, mSecondEglContext);
-        }
-        SurfaceTextureGLTest::TearDown();
-    }
-
-    EGLContext mSecondEglContext;
-    sp<TextureRenderer> mSecondTextureRenderer;
-
-    EGLContext mThirdEglContext;
-    sp<TextureRenderer> mThirdTextureRenderer;
-};
-
-TEST_F(SurfaceTextureMultiContextGLTest, UpdateFromMultipleContextsFails) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Attempt to latch the texture on the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextSucceeds) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Check that the GL texture was deleted.
-    EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        DetachFromContextSucceedsAfterProducerDisconnect) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Check that the GL texture was deleted.
-    EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenAbandoned) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Attempt to detach from the primary context.
-    mST->abandon();
-    ASSERT_EQ(NO_INIT, mST->detachFromContext());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenDetached) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attempt to detach from the primary context again.
-    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoDisplay) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Make there be no current display.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-            EGL_NO_CONTEXT));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Attempt to detach from the primary context.
-    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoContext) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Make current context be incorrect.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Attempt to detach from the primary context.
-    ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, UpdateTexImageFailsWhenDetached) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attempt to latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceeds) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Verify that the texture object was created and bound.
-    GLint texBinding = -1;
-    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
-    EXPECT_EQ(SECOND_TEX_ID, texBinding);
-
-    // Try to use the texture from the secondary context.
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glViewport(0, 0, 1, 1);
-    mSecondTextureRenderer->drawTexture();
-    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        AttachToContextSucceedsAfterProducerDisconnect) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Verify that the texture object was created and bound.
-    GLint texBinding = -1;
-    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
-    EXPECT_EQ(SECOND_TEX_ID, texBinding);
-
-    // Try to use the texture from the secondary context.
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glViewport(0, 0, 1, 1);
-    mSecondTextureRenderer->drawTexture();
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        AttachToContextSucceedsBeforeUpdateTexImage) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Detach from the primary context.
-    native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Verify that the texture object was created and bound.
-    GLint texBinding = -1;
-    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
-    EXPECT_EQ(SECOND_TEX_ID, texBinding);
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Try to use the texture from the secondary context.
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glViewport(0, 0, 1, 1);
-    mSecondTextureRenderer->drawTexture();
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAbandoned) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attempt to attach to the secondary context.
-    mST->abandon();
-
-    // Attempt to attach to the primary context.
-    ASSERT_EQ(NO_INIT, mST->attachToContext(SECOND_TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAttached) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Attempt to attach to the primary context.
-    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        AttachToContextFailsWhenAttachedBeforeUpdateTexImage) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Attempt to attach to the primary context.
-    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWithNoDisplay) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Make there be no current display.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-            EGL_NO_CONTEXT));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Attempt to attach with no context current.
-    ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceedsTwice) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Latch the texture contents on the primary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Detach from the secondary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the tertiary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mThirdEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
-
-    // Verify that the texture object was created and bound.
-    GLint texBinding = -1;
-    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
-    EXPECT_EQ(THIRD_TEX_ID, texBinding);
-
-    // Try to use the texture from the tertiary context.
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glViewport(0, 0, 1, 1);
-    mThirdTextureRenderer->drawTexture();
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        AttachToContextSucceedsTwiceBeforeUpdateTexImage) {
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Detach from the primary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the secondary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Detach from the secondary context.
-    ASSERT_EQ(OK, mST->detachFromContext());
-
-    // Attach to the tertiary context.
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mThirdEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
-
-    // Verify that the texture object was created and bound.
-    GLint texBinding = -1;
-    glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
-    EXPECT_EQ(THIRD_TEX_ID, texBinding);
-
-    // Latch the texture contents on the tertiary context.
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // Try to use the texture from the tertiary context.
-    glClearColor(0.2, 0.2, 0.2, 0.2);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glViewport(0, 0, 1, 1);
-    mThirdTextureRenderer->drawTexture();
-    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
-    ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
-}
-
-TEST_F(SurfaceTextureMultiContextGLTest,
-        UpdateTexImageSucceedsForBufferConsumedBeforeDetach) {
-    ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
-
-    // produce two frames and consume them both on the primary context
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-
-    // produce one more frame
-    ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
-
-    // Detach from the primary context and attach to the secondary context
-    ASSERT_EQ(OK, mST->detachFromContext());
-    ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mSecondEglContext));
-    ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
-
-    // Consume final frame on secondary context
-    mFW->waitForFrame();
-    ASSERT_EQ(OK, mST->updateTexImage());
-}
-
-} // namespace android
diff --git a/libs/gui/tests/TextureRenderer.cpp b/libs/gui/tests/TextureRenderer.cpp
new file mode 100644
index 0000000..90951b3
--- /dev/null
+++ b/libs/gui/tests/TextureRenderer.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright 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 "TextureRenderer.h"
+
+#include "GLTest.h"
+
+#include <gui/GLConsumer.h>
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <gtest/gtest.h>
+
+namespace android {
+
+TextureRenderer::TextureRenderer(GLuint texName,
+        const sp<GLConsumer>& st) : mTexName(texName), mST(st) {
+}
+
+void TextureRenderer::SetUp() {
+    const char vsrc[] =
+        "attribute vec4 vPosition;\n"
+        "varying vec2 texCoords;\n"
+        "uniform mat4 texMatrix;\n"
+        "void main() {\n"
+        "  vec2 vTexCoords = 0.5 * (vPosition.xy + vec2(1.0, 1.0));\n"
+        "  texCoords = (texMatrix * vec4(vTexCoords, 0.0, 1.0)).xy;\n"
+        "  gl_Position = vPosition;\n"
+        "}\n";
+
+    const char fsrc[] =
+        "#extension GL_OES_EGL_image_external : require\n"
+        "precision mediump float;\n"
+        "uniform samplerExternalOES texSampler;\n"
+        "varying vec2 texCoords;\n"
+        "void main() {\n"
+        "  gl_FragColor = texture2D(texSampler, texCoords);\n"
+        "}\n";
+
+    {
+        SCOPED_TRACE("creating shader program");
+        ASSERT_NO_FATAL_FAILURE(GLTest::createProgram(vsrc, fsrc, &mPgm));
+    }
+
+    mPositionHandle = glGetAttribLocation(mPgm, "vPosition");
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_NE(-1, mPositionHandle);
+    mTexSamplerHandle = glGetUniformLocation(mPgm, "texSampler");
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_NE(-1, mTexSamplerHandle);
+    mTexMatrixHandle = glGetUniformLocation(mPgm, "texMatrix");
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    ASSERT_NE(-1, mTexMatrixHandle);
+}
+
+// drawTexture draws the GLConsumer over the entire GL viewport.
+void TextureRenderer::drawTexture() {
+    static const GLfloat triangleVertices[] = {
+        -1.0f, 1.0f,
+        -1.0f, -1.0f,
+        1.0f, -1.0f,
+        1.0f, 1.0f,
+    };
+
+    glVertexAttribPointer(mPositionHandle, 2, GL_FLOAT, GL_FALSE, 0,
+            triangleVertices);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    glEnableVertexAttribArray(mPositionHandle);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+    glUseProgram(mPgm);
+    glUniform1i(mTexSamplerHandle, 0);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+    // XXX: These calls are not needed for GL_TEXTURE_EXTERNAL_OES as
+    // they're setting the defautls for that target, but when hacking
+    // things to use GL_TEXTURE_2D they are needed to achieve the same
+    // behavior.
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER,
+            GL_LINEAR);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER,
+            GL_LINEAR);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S,
+            GL_CLAMP_TO_EDGE);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T,
+            GL_CLAMP_TO_EDGE);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+    GLfloat texMatrix[16];
+    mST->getTransformMatrix(texMatrix);
+    glUniformMatrix4fv(mTexMatrixHandle, 1, GL_FALSE, texMatrix);
+
+    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+    ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+}
+
+} // namespace android
diff --git a/libs/gui/tests/TextureRenderer.h b/libs/gui/tests/TextureRenderer.h
new file mode 100644
index 0000000..37b2b47
--- /dev/null
+++ b/libs/gui/tests/TextureRenderer.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 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_TEXTURE_RENDERER_H
+#define ANDROID_TEXTURE_RENDERER_H
+
+#include <GLES/gl.h>
+
+#include <utils/RefBase.h>
+
+namespace android {
+
+class GLConsumer;
+
+class TextureRenderer : public RefBase {
+public:
+    TextureRenderer(GLuint texName, const sp<GLConsumer>& st);
+
+    void SetUp();
+    void drawTexture();
+
+private:
+    GLuint mTexName;
+    sp<GLConsumer> mST;
+    GLuint mPgm;
+    GLint mPositionHandle;
+    GLint mTexSamplerHandle;
+    GLint mTexMatrixHandle;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/input/Android.mk b/libs/input/Android.mk
index f1921a4..944ac7f 100644
--- a/libs/input/Android.mk
+++ b/libs/input/Android.mk
@@ -27,6 +27,7 @@
 
 deviceSources := \
     $(commonSources) \
+    IInputFlinger.cpp \
     InputTransport.cpp \
     VelocityControl.cpp \
     VelocityTracker.cpp
diff --git a/libs/input/IInputFlinger.cpp b/libs/input/IInputFlinger.cpp
new file mode 100644
index 0000000..e009731
--- /dev/null
+++ b/libs/input/IInputFlinger.cpp
@@ -0,0 +1,59 @@
+/*
+ * 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/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+#include <input/IInputFlinger.h>
+
+
+namespace android {
+
+class BpInputFlinger : public BpInterface<IInputFlinger> {
+public:
+    BpInputFlinger(const sp<IBinder>& impl) :
+            BpInterface<IInputFlinger>(impl) { }
+
+    virtual status_t doSomething() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IInputFlinger::getInterfaceDescriptor());
+        remote()->transact(BnInputFlinger::DO_SOMETHING_TRANSACTION, data, &reply);
+        return reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(InputFlinger, "android.input.IInputFlinger");
+
+
+status_t BnInputFlinger::onTransact(
+        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
+    switch(code) {
+    case DO_SOMETHING_TRANSACTION: {
+        CHECK_INTERFACE(IInputFlinger, data, reply);
+        reply->writeInt32(0);
+        break;
+    }
+    default:
+        return BBinder::onTransact(code, data, reply, flags);
+    }
+    return NO_ERROR;
+}
+
+};
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 2f5494b..0800a31 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -150,6 +150,40 @@
     return NO_ERROR;
 }
 
+status_t KeyLayoutMap::findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const {
+    const size_t N = mLedsByScanCode.size();
+    for (size_t i = 0; i < N; i++) {
+        if (mLedsByScanCode.valueAt(i).ledCode == ledCode) {
+            *outScanCode = mLedsByScanCode.keyAt(i);
+#if DEBUG_MAPPING
+            ALOGD("findScanCodeForLed: ledCode=%d, scanCode=%d.", ledCode, *outScanCode);
+#endif
+            return NO_ERROR;
+        }
+    }
+#if DEBUG_MAPPING
+            ALOGD("findScanCodeForLed: ledCode=%d ~ Not found.", ledCode);
+#endif
+    return NAME_NOT_FOUND;
+}
+
+status_t KeyLayoutMap::findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const {
+    const size_t N = mLedsByUsageCode.size();
+    for (size_t i = 0; i < N; i++) {
+        if (mLedsByUsageCode.valueAt(i).ledCode == ledCode) {
+            *outUsageCode = mLedsByUsageCode.keyAt(i);
+#if DEBUG_MAPPING
+            ALOGD("findUsageForLed: ledCode=%d, usage=%x.", ledCode, *outUsageCode);
+#endif
+            return NO_ERROR;
+        }
+    }
+#if DEBUG_MAPPING
+            ALOGD("findUsageForLed: ledCode=%d ~ Not found.", ledCode);
+#endif
+    return NAME_NOT_FOUND;
+}
+
 
 // --- KeyLayoutMap::Parser ---
 
@@ -179,6 +213,10 @@
                 mTokenizer->skipDelimiters(WHITESPACE);
                 status_t status = parseAxis();
                 if (status) return status;
+            } else if (keywordToken == "led") {
+                mTokenizer->skipDelimiters(WHITESPACE);
+                status_t status = parseLed();
+                if (status) return status;
             } else {
                 ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
                         keywordToken.string());
@@ -215,8 +253,7 @@
                 mapUsage ? "usage" : "scan code", codeToken.string());
         return BAD_VALUE;
     }
-    KeyedVector<int32_t, Key>& map =
-            mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
+    KeyedVector<int32_t, Key>& map = mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
     if (map.indexOfKey(code) >= 0) {
         ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
                 mapUsage ? "usage" : "scan code", codeToken.string());
@@ -364,4 +401,46 @@
     return NO_ERROR;
 }
 
+status_t KeyLayoutMap::Parser::parseLed() {
+    String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+    bool mapUsage = false;
+    if (codeToken == "usage") {
+        mapUsage = true;
+        mTokenizer->skipDelimiters(WHITESPACE);
+        codeToken = mTokenizer->nextToken(WHITESPACE);
+    }
+    char* end;
+    int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+    if (*end) {
+        ALOGE("%s: Expected led %s number, got '%s'.", mTokenizer->getLocation().string(),
+                mapUsage ? "usage" : "scan code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    KeyedVector<int32_t, Led>& map = mapUsage ? mMap->mLedsByUsageCode : mMap->mLedsByScanCode;
+    if (map.indexOfKey(code) >= 0) {
+        ALOGE("%s: Duplicate entry for led %s '%s'.", mTokenizer->getLocation().string(),
+                mapUsage ? "usage" : "scan code", codeToken.string());
+        return BAD_VALUE;
+    }
+
+    mTokenizer->skipDelimiters(WHITESPACE);
+    String8 ledCodeToken = mTokenizer->nextToken(WHITESPACE);
+    int32_t ledCode = getLedByLabel(ledCodeToken.string());
+    if (ledCode < 0) {
+        ALOGE("%s: Expected LED code label, got '%s'.", mTokenizer->getLocation().string(),
+                ledCodeToken.string());
+        return BAD_VALUE;
+    }
+
+#if DEBUG_PARSER
+    ALOGD("Parsed led %s: code=%d, ledCode=%d.",
+            mapUsage ? "usage" : "scan code", code, ledCode);
+#endif
+
+    Led led;
+    led.ledCode = ledCode;
+    map.add(code, led);
+    return NO_ERROR;
+}
 };
diff --git a/libs/input/Keyboard.cpp b/libs/input/Keyboard.cpp
index b6551ee..7d4ac92 100644
--- a/libs/input/Keyboard.cpp
+++ b/libs/input/Keyboard.cpp
@@ -203,6 +203,10 @@
     return lookupLabelByValue(axisId, AXES);
 }
 
+int32_t getLedByLabel(const char* label) {
+    return int32_t(lookupValueByLabel(label, LEDS));
+}
+
 static int32_t setEphemeralMetaState(int32_t mask, bool down, int32_t oldMetaState) {
     int32_t newMetaState;
     if (down) {
diff --git a/libs/ui/PixelFormat.cpp b/libs/ui/PixelFormat.cpp
index d2d103a..5ce7fba 100644
--- a/libs/ui/PixelFormat.cpp
+++ b/libs/ui/PixelFormat.cpp
@@ -26,6 +26,8 @@
         case PIXEL_FORMAT_RGBA_8888:
         case PIXEL_FORMAT_RGBX_8888:
         case PIXEL_FORMAT_BGRA_8888:
+        case PIXEL_FORMAT_sRGB_A_8888:
+        case PIXEL_FORMAT_sRGB_X_8888:
             return 4;
         case PIXEL_FORMAT_RGB_888:
             return 3;
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index d96b54f..b6ffdb2 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -408,9 +408,11 @@
     if (dp) {
         EGLDisplay iDpy = dp->disp.dpy;
 
-        if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != OK) {
-            ALOGE("EGLNativeWindowType %p already connected to another API",
-                    window);
+        int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
+        if (result != OK) {
+            ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
+                    "failed (%#x) (already connected to another API?)",
+                    window, result);
             return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
         }
 
diff --git a/services/batteryservice/Android.mk b/services/batteryservice/Android.mk
index 0a29c36..9354b99 100644
--- a/services/batteryservice/Android.mk
+++ b/services/batteryservice/Android.mk
@@ -3,6 +3,7 @@
 
 LOCAL_SRC_FILES:= \
 	BatteryProperties.cpp \
+	BatteryProperty.cpp \
 	IBatteryPropertiesListener.cpp \
 	IBatteryPropertiesRegistrar.cpp
 
diff --git a/services/batteryservice/BatteryProperties.cpp b/services/batteryservice/BatteryProperties.cpp
index e4a42ed..ab636a9 100644
--- a/services/batteryservice/BatteryProperties.cpp
+++ b/services/batteryservice/BatteryProperties.cpp
@@ -38,8 +38,6 @@
     batteryPresent = p->readInt32() == 1 ? true : false;
     batteryLevel = p->readInt32();
     batteryVoltage = p->readInt32();
-    batteryCurrentNow = p->readInt32();
-    batteryChargeCounter = p->readInt32();
     batteryTemperature = p->readInt32();
     batteryTechnology = String8((p->readString16()).string());
     return OK;
@@ -54,8 +52,6 @@
     p->writeInt32(batteryPresent ? 1 : 0);
     p->writeInt32(batteryLevel);
     p->writeInt32(batteryVoltage);
-    p->writeInt32(batteryCurrentNow);
-    p->writeInt32(batteryChargeCounter);
     p->writeInt32(batteryTemperature);
     p->writeString16(String16(batteryTechnology));
     return OK;
diff --git a/services/batteryservice/BatteryProperty.cpp b/services/batteryservice/BatteryProperty.cpp
new file mode 100644
index 0000000..6cbc896
--- /dev/null
+++ b/services/batteryservice/BatteryProperty.cpp
@@ -0,0 +1,40 @@
+/*
+ * 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 <batteryservice/BatteryService.h>
+#include <binder/Parcel.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+/*
+ * Parcel read/write code must be kept in sync with
+ * frameworks/base/core/java/android/os/BatteryProperty.java
+ */
+
+status_t BatteryProperty::readFromParcel(Parcel* p) {
+    valueInt = p->readInt32();
+    return OK;
+}
+
+status_t BatteryProperty::writeToParcel(Parcel* p) const {
+    p->writeInt32(valueInt);
+    return OK;
+}
+
+}; // namespace android
diff --git a/services/batteryservice/IBatteryPropertiesRegistrar.cpp b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
index 6c2d2a5..6647122 100644
--- a/services/batteryservice/IBatteryPropertiesRegistrar.cpp
+++ b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
@@ -44,6 +44,18 @@
             data.writeStrongBinder(listener->asBinder());
             remote()->transact(UNREGISTER_LISTENER, data, NULL);
         }
+
+        status_t getProperty(int id, struct BatteryProperty *val) {
+            Parcel data, reply;
+            data.writeInterfaceToken(IBatteryPropertiesRegistrar::getInterfaceDescriptor());
+            data.writeInt32(id);
+            remote()->transact(GET_PROPERTY, data, &reply);
+            status_t ret = reply.readInt32();
+            int parcelpresent = reply.readInt32();
+            if (parcelpresent)
+                val->readFromParcel(&reply);
+            return ret;
+        }
 };
 
 IMPLEMENT_META_INTERFACE(BatteryPropertiesRegistrar, "android.os.IBatteryPropertiesRegistrar");
@@ -69,6 +81,18 @@
             unregisterListener(listener);
             return OK;
         }
+
+        case GET_PROPERTY: {
+            CHECK_INTERFACE(IBatteryPropertiesRegistrar, data, reply);
+            int id = data.readInt32();
+            struct BatteryProperty val;
+            status_t result = getProperty(id, &val);
+            reply->writeNoException();
+            reply->writeInt32(result);
+            reply->writeInt32(1);
+            val.writeToParcel(reply);
+            return OK;
+        }
     }
     return BBinder::onTransact(code, data, reply, flags);
 };
diff --git a/services/inputflinger/Android.mk b/services/inputflinger/Android.mk
new file mode 100644
index 0000000..e32d38a
--- /dev/null
+++ b/services/inputflinger/Android.mk
@@ -0,0 +1,50 @@
+# 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.
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    InputFlinger.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libbinder \
+    libcutils \
+    libinput \
+    liblog \
+    libutils
+
+LOCAL_CFLAGS += -fvisibility=hidden
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
+
+LOCAL_MODULE := libinputflinger
+
+include $(BUILD_SHARED_LIBRARY)
+
+########################################################################
+# build input flinger executable
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	main.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libbinder \
+	libinputflinger \
+	libutils
+
+LOCAL_MODULE := inputflinger
+
+include $(BUILD_EXECUTABLE)
diff --git a/services/inputflinger/InputFlinger.cpp b/services/inputflinger/InputFlinger.cpp
new file mode 100644
index 0000000..9ea6ce5
--- /dev/null
+++ b/services/inputflinger/InputFlinger.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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 LOG_TAG "InputFlinger"
+
+#include "InputFlinger.h"
+
+#include <stdint.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+
+#include <binder/IPCThreadState.h>
+#include <binder/PermissionCache.h>
+#include <cutils/log.h>
+#include <private/android_filesystem_config.h>
+
+namespace android {
+
+const String16 sAccessInputFlingerPermission("android.permission.ACCESS_INPUT_FLINGER");
+const String16 sDumpPermission("android.permission.DUMP");
+
+
+InputFlinger::InputFlinger() :
+        BnInputFlinger() {
+    ALOGI("InputFlinger is starting");
+}
+
+InputFlinger::~InputFlinger() {
+}
+
+status_t InputFlinger::onTransact(
+        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
+    switch (code) {
+    case DO_SOMETHING_TRANSACTION:
+        const IPCThreadState* ipc = IPCThreadState::self();
+        const int pid = ipc->getCallingPid();
+        const int uid = ipc->getCallingUid();
+        if (!PermissionCache::checkPermission(sAccessInputFlingerPermission, pid, uid)) {
+            ALOGE("Permission Denial: "
+                    "can't access InputFlinger from pid=%d, uid=%d", pid, uid);
+            return PERMISSION_DENIED;
+        }
+        break;
+    }
+
+    return BnInputFlinger::onTransact(code, data, reply, flags);
+}
+
+status_t InputFlinger::dump(int fd, const Vector<String16>& args) {
+    String8 result;
+    const IPCThreadState* ipc = IPCThreadState::self();
+    const int pid = ipc->getCallingPid();
+    const int uid = ipc->getCallingUid();
+    if ((uid != AID_SHELL)
+            && !PermissionCache::checkPermission(sDumpPermission, pid, uid)) {
+        result.appendFormat("Permission Denial: "
+                "can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
+    } else {
+        dumpInternal(result);
+    }
+    write(fd, result.string(), result.size());
+    return OK;
+}
+
+void InputFlinger::dumpInternal(String8& result) {
+    result.append("INPUT FLINGER (dumpsys inputflinger)\n");
+    result.append("... nothing here yet...\n");
+}
+
+status_t InputFlinger::doSomething() {
+    ALOGI("Did something...");
+    return OK;
+}
+
+}; // namespace android
diff --git a/services/inputflinger/InputFlinger.h b/services/inputflinger/InputFlinger.h
new file mode 100644
index 0000000..731ab17
--- /dev/null
+++ b/services/inputflinger/InputFlinger.h
@@ -0,0 +1,54 @@
+/*
+ * 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_INPUT_FLINGER_H
+#define ANDROID_INPUT_FLINGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <cutils/compiler.h>
+#include <input/IInputFlinger.h>
+#include <utils/String8.h>
+#include <utils/String16.h>
+
+namespace android {
+
+class InputFlinger : public BnInputFlinger {
+public:
+    static char const* getServiceName() ANDROID_API {
+        return "inputflinger";
+    }
+
+    InputFlinger() ANDROID_API;
+
+    // IBinder interface
+    virtual status_t onTransact(uint32_t code,
+            const Parcel& data, Parcel* reply, uint32_t flags);
+    virtual status_t dump(int fd, const Vector<String16>& args);
+
+    // IInputFlinger interface
+    virtual status_t doSomething();
+
+private:
+    virtual ~InputFlinger();
+
+    void dumpInternal(String8& result);
+};
+
+} // namespace android
+
+#endif // ANDROID_INPUT_FLINGER_H
diff --git a/services/inputflinger/main.cpp b/services/inputflinger/main.cpp
new file mode 100644
index 0000000..3209a62
--- /dev/null
+++ b/services/inputflinger/main.cpp
@@ -0,0 +1,26 @@
+/*
+ * 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 <binder/BinderService.h>
+#include "InputFlinger.h"
+
+using namespace android;
+
+int main(int argc, char** argv) {
+    ProcessState::self()->setThreadPoolMaxThreadCount(4);
+    BinderService<InputFlinger>::publishAndJoinThreadPool(true);
+    return 0;
+}
diff --git a/services/sensorservice/BatteryService.cpp b/services/sensorservice/BatteryService.cpp
index 38dc749..cb962a6 100644
--- a/services/sensorservice/BatteryService.cpp
+++ b/services/sensorservice/BatteryService.cpp
@@ -34,32 +34,10 @@
     const sp<IServiceManager> sm(defaultServiceManager());
     if (sm != NULL) {
         const String16 name("batterystats");
-        mBatteryStatService = sm->getService(name);
+        mBatteryStatService = interface_cast<IBatteryStats>(sm->getService(name));
     }
 }
 
-status_t BatteryService::noteStartSensor(int uid, int handle) {
-    Parcel data, reply;
-    data.writeInterfaceToken(DESCRIPTOR);
-    data.writeInt32(uid);
-    data.writeInt32(handle);
-    status_t err = mBatteryStatService->transact(
-            TRANSACTION_noteStartSensor, data, &reply, 0);
-    err = reply.readExceptionCode();
-    return err;
-}
-
-status_t BatteryService::noteStopSensor(int uid, int handle) {
-    Parcel data, reply;
-    data.writeInterfaceToken(DESCRIPTOR);
-    data.writeInt32(uid);
-    data.writeInt32(handle);
-    status_t err = mBatteryStatService->transact(
-            TRANSACTION_noteStopSensor, data, &reply, 0);
-    err = reply.readExceptionCode();
-    return err;
-}
-
 bool BatteryService::addSensor(uid_t uid, int handle) {
     Mutex::Autolock _l(mActivationsLock);
     Info key(uid, handle);
@@ -86,7 +64,7 @@
     if (mBatteryStatService != 0) {
         if (addSensor(uid, handle)) {
             int64_t identity = IPCThreadState::self()->clearCallingIdentity();
-            noteStartSensor(uid, handle);
+            mBatteryStatService->noteStartSensor(uid, handle);
             IPCThreadState::self()->restoreCallingIdentity(identity);
         }
     }
@@ -95,7 +73,7 @@
     if (mBatteryStatService != 0) {
         if (removeSensor(uid, handle)) {
             int64_t identity = IPCThreadState::self()->clearCallingIdentity();
-            noteStopSensor(uid, handle);
+            mBatteryStatService->noteStopSensor(uid, handle);
             IPCThreadState::self()->restoreCallingIdentity(identity);
         }
     }
@@ -108,7 +86,7 @@
         for (ssize_t i=0 ; i<mActivations.size() ; i++) {
             const Info& info(mActivations[i]);
             if (info.uid == uid) {
-                noteStopSensor(info.uid, info.handle);
+                mBatteryStatService->noteStopSensor(info.uid, info.handle);
                 mActivations.removeAt(i);
                 i--;
             }
@@ -117,8 +95,6 @@
     }
 }
 
-const String16 BatteryService::DESCRIPTOR("com.android.internal.app.IBatteryStats");
-
 ANDROID_SINGLETON_STATIC_INSTANCE(BatteryService)
 
 // ---------------------------------------------------------------------------
diff --git a/services/sensorservice/BatteryService.h b/services/sensorservice/BatteryService.h
index 86cc884..08ba857 100644
--- a/services/sensorservice/BatteryService.h
+++ b/services/sensorservice/BatteryService.h
@@ -17,22 +17,18 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <binder/IBatteryStats.h>
 #include <utils/Singleton.h>
 
 namespace android {
 // ---------------------------------------------------------------------------
 
 class BatteryService : public Singleton<BatteryService> {
-    static const int TRANSACTION_noteStartSensor = IBinder::FIRST_CALL_TRANSACTION + 3;
-    static const int TRANSACTION_noteStopSensor = IBinder::FIRST_CALL_TRANSACTION + 4;
-    static const String16 DESCRIPTOR;
 
     friend class Singleton<BatteryService>;
-    sp<IBinder> mBatteryStatService;
+    sp<IBatteryStats> mBatteryStatService;
 
     BatteryService();
-    status_t noteStartSensor(int uid, int handle);
-    status_t noteStopSensor(int uid, int handle);
 
     void enableSensorImpl(uid_t uid, int handle);
     void disableSensorImpl(uid_t uid, int handle);
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 0d0f98d..e5ecf07 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -199,8 +199,8 @@
     mPageFlipCount++;
 }
 
-status_t DisplayDevice::beginFrame() const {
-    return mDisplaySurface->beginFrame();
+status_t DisplayDevice::beginFrame(bool mustRecompose) const {
+    return mDisplaySurface->beginFrame(mustRecompose);
 }
 
 status_t DisplayDevice::prepareFrame(const HWComposer& hwc) const {
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index 01a9d2e..f750c6c 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -124,7 +124,9 @@
     int32_t                 getHwcDisplayId() const { return mHwcDisplayId; }
     const wp<IBinder>&      getDisplayToken() const { return mDisplayToken; }
 
-    status_t beginFrame() const;
+    // We pass in mustRecompose so we can keep VirtualDisplaySurface's state
+    // machine happy without actually queueing a buffer if nothing has changed
+    status_t beginFrame(bool mustRecompose) const;
     status_t prepareFrame(const HWComposer& hwc) const;
 
     void swapBuffers(HWComposer& hwc) const;
diff --git a/services/surfaceflinger/DisplayHardware/DisplaySurface.h b/services/surfaceflinger/DisplayHardware/DisplaySurface.h
index 48bf3f2..1db3eb8 100644
--- a/services/surfaceflinger/DisplayHardware/DisplaySurface.h
+++ b/services/surfaceflinger/DisplayHardware/DisplaySurface.h
@@ -33,7 +33,9 @@
     // beginFrame is called at the beginning of the composition loop, before
     // the configuration is known. The DisplaySurface should do anything it
     // needs to do to enable HWComposer to decide how to compose the frame.
-    virtual status_t beginFrame() = 0;
+    // We pass in mustRecompose so we can keep VirtualDisplaySurface's state
+    // machine happy without actually queueing a buffer if nothing has changed.
+    virtual status_t beginFrame(bool mustRecompose) = 0;
 
     // prepareFrame is called after the composition configuration is known but
     // before composition takes place. The DisplaySurface can use the
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
index 8c634ed..0f34764 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
@@ -68,7 +68,7 @@
     mConsumer->setDefaultMaxBufferCount(NUM_FRAMEBUFFER_SURFACE_BUFFERS);
 }
 
-status_t FramebufferSurface::beginFrame() {
+status_t FramebufferSurface::beginFrame(bool mustRecompose) {
     return NO_ERROR;
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
index 1d67446..ba72ce3 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
@@ -39,7 +39,7 @@
 public:
     FramebufferSurface(HWComposer& hwc, int disp, const sp<IGraphicBufferConsumer>& consumer);
 
-    virtual status_t beginFrame();
+    virtual status_t beginFrame(bool mustRecompose);
     virtual status_t prepareFrame(CompositionType compositionType);
     virtual status_t compositionComplete();
     virtual status_t advanceFrame();
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 1b652c3..474f633 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -23,7 +23,6 @@
 #include <sys/types.h>
 #include <math.h>
 
-#include <utils/CallStack.h>
 #include <utils/Errors.h>
 #include <utils/misc.h>
 #include <utils/String8.h>
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index d7fef8c..a1820ab 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -56,7 +56,8 @@
     mOutputUsage(GRALLOC_USAGE_HW_COMPOSER),
     mProducerSlotSource(0),
     mDbgState(DBG_STATE_IDLE),
-    mDbgLastCompositionType(COMPOSITION_UNKNOWN)
+    mDbgLastCompositionType(COMPOSITION_UNKNOWN),
+    mMustRecompose(false)
 {
     mSource[SOURCE_SINK] = sink;
     mSource[SOURCE_SCRATCH] = bq;
@@ -92,10 +93,12 @@
 VirtualDisplaySurface::~VirtualDisplaySurface() {
 }
 
-status_t VirtualDisplaySurface::beginFrame() {
+status_t VirtualDisplaySurface::beginFrame(bool mustRecompose) {
     if (mDisplayId < 0)
         return NO_ERROR;
 
+    mMustRecompose = mustRecompose;
+
     VDS_LOGW_IF(mDbgState != DBG_STATE_IDLE,
             "Unexpected beginFrame() in %s state", dbgStateStr());
     mDbgState = DBG_STATE_BEGUN;
@@ -228,16 +231,24 @@
         QueueBufferOutput qbo;
         sp<Fence> outFence = mHwc.getLastRetireFence(mDisplayId);
         VDS_LOGV("onFrameCommitted: queue sink sslot=%d", sslot);
-        status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot,
-                QueueBufferInput(
-                    systemTime(), false /* isAutoTimestamp */,
-                    Rect(mSinkBufferWidth, mSinkBufferHeight),
-                    NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */,
-                    true /* async*/,
-                    outFence),
-                &qbo);
-        if (result == NO_ERROR) {
-            updateQueueBufferOutput(qbo);
+        if (mMustRecompose) {
+            status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot,
+                    QueueBufferInput(
+                        systemTime(), false /* isAutoTimestamp */,
+                        Rect(mSinkBufferWidth, mSinkBufferHeight),
+                        NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */,
+                        true /* async*/,
+                        outFence),
+                    &qbo);
+            if (result == NO_ERROR) {
+                updateQueueBufferOutput(qbo);
+            }
+        } else {
+            // If the surface hadn't actually been updated, then we only went
+            // through the motions of updating the display to keep our state
+            // machine happy. We cancel the buffer to avoid triggering another
+            // re-composition and causing an infinite loop.
+            mSource[SOURCE_SINK]->cancelBuffer(sslot, outFence);
         }
     }
 
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
index 1e85ac4..6899904 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
@@ -79,7 +79,7 @@
     //
     // DisplaySurface interface
     //
-    virtual status_t beginFrame();
+    virtual status_t beginFrame(bool mustRecompose);
     virtual status_t prepareFrame(CompositionType compositionType);
     virtual status_t compositionComplete();
     virtual status_t advanceFrame();
@@ -222,6 +222,8 @@
 
     const char* dbgStateStr() const;
     static const char* dbgSourceStr(Source s);
+
+    bool mMustRecompose;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 61af51f..fcc9d78 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -64,7 +64,6 @@
         mName("unnamed"),
         mDebug(false),
         mFormat(PIXEL_FORMAT_NONE),
-        mOpaqueLayer(true),
         mTransactionFlags(0),
         mQueuedFrames(0),
         mCurrentTransform(0),
@@ -86,7 +85,9 @@
 
     uint32_t layerFlags = 0;
     if (flags & ISurfaceComposerClient::eHidden)
-        layerFlags = layer_state_t::eLayerHidden;
+        layerFlags |= layer_state_t::eLayerHidden;
+    if (flags & ISurfaceComposerClient::eOpaque)
+        layerFlags |= layer_state_t::eLayerOpaque;
 
     if (flags & ISurfaceComposerClient::eNonPremultiplied)
         mPremultipliedAlpha = false;
@@ -189,7 +190,6 @@
 
     mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false;
     mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
-    mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque);
     mCurrentOpacity = getOpacityForFormat(format);
 
     mSurfaceFlingerConsumer->setDefaultBufferSize(w, h);
@@ -352,7 +352,7 @@
 
     // this gives us only the "orientation" component of the transform
     const State& s(getDrawingState());
-    if (!isOpaque() || s.alpha != 0xFF) {
+    if (!isOpaque(s) || s.alpha != 0xFF) {
         layer.setBlending(mPremultipliedAlpha ?
                 HWC_BLENDING_PREMULT :
                 HWC_BLENDING_COVERAGE);
@@ -596,7 +596,7 @@
     texCoords[3] = vec2(right, 1.0f - top);
 
     RenderEngine& engine(mFlinger->getRenderEngine());
-    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(), s.alpha);
+    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s), s.alpha);
     engine.drawMesh(mMesh);
     engine.disableBlending();
 }
@@ -656,7 +656,7 @@
     }
 }
 
-bool Layer::isOpaque() const
+bool Layer::isOpaque(const Layer::State& s) const
 {
     // if we don't have a buffer yet, we're translucent regardless of the
     // layer's opaque flag.
@@ -666,7 +666,7 @@
 
     // if the layer has the opaque flag, then we're always opaque,
     // otherwise we use the current buffer's format.
-    return mOpaqueLayer || mCurrentOpacity;
+    return ((s.flags & layer_state_t::eLayerOpaque) != 0) || mCurrentOpacity;
 }
 
 bool Layer::isProtected() const
@@ -954,7 +954,8 @@
         }
 
         // Capture the old state of the layer for comparisons later
-        const bool oldOpacity = isOpaque();
+        const State& s(getDrawingState());
+        const bool oldOpacity = isOpaque(s);
         sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer;
 
         struct Reject : public SurfaceFlingerConsumer::BufferRejecter {
@@ -1122,12 +1123,11 @@
         }
 
         mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format);
-        if (oldOpacity != isOpaque()) {
+        if (oldOpacity != isOpaque(s)) {
             recomputeVisibleRegions = true;
         }
 
         // FIXME: postedRegion should be dirty & bounds
-        const Layer::State& s(getDrawingState());
         Region dirtyRegion(Rect(s.active.w, s.active.h));
 
         // transform the dirty region to window-manager space
@@ -1188,7 +1188,7 @@
             s.layerStack, s.z, s.transform.tx(), s.transform.ty(), s.active.w, s.active.h,
             s.active.crop.left, s.active.crop.top,
             s.active.crop.right, s.active.crop.bottom,
-            isOpaque(), contentDirty,
+            isOpaque(s), contentDirty,
             s.alpha, s.flags,
             s.transform[0][0], s.transform[0][1],
             s.transform[1][0], s.transform[1][1],
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index ef4a7e9..ea65ded 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -149,8 +149,12 @@
 
     /*
      * isOpaque - true if this surface is opaque
+     *
+     * This takes into account the buffer format (i.e. whether or not the
+     * pixel format includes an alpha channel) and the "opaque" flag set
+     * on the layer.  It does not examine the current plane alpha value.
      */
-    virtual bool isOpaque() const;
+    virtual bool isOpaque(const Layer::State& s) const;
 
     /*
      * isSecure - true if this surface is secure, that is if it prevents
@@ -335,7 +339,6 @@
     String8 mName;
     mutable bool mDebug;
     PixelFormat mFormat;
-    bool mOpaqueLayer;
 
     // these are protected by an external lock
     State mCurrentState;
diff --git a/services/surfaceflinger/RenderEngine/ProgramCache.cpp b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
index 09b0ddc..d130506 100644
--- a/services/surfaceflinger/RenderEngine/ProgramCache.cpp
+++ b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
@@ -169,7 +169,8 @@
             fs << "gl_FragColor.rgb = gl_FragColor.rgb/gl_FragColor.a;";
         }
         fs << "gl_FragColor.rgb = pow(gl_FragColor.rgb, vec3(2.2));";
-        fs << "gl_FragColor     = colorMatrix*gl_FragColor;";
+        fs << "vec4 transformed = colorMatrix * vec4(gl_FragColor.rgb, 1);";
+        fs << "gl_FragColor.rgb = transformed.rgb/transformed.a;";
         fs << "gl_FragColor.rgb = pow(gl_FragColor.rgb, vec3(1.0 / 2.2));";
         if (!needs.isOpaque() && needs.isPremultiplied()) {
             // and re-premultiply if needed after gamma correction
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index c00b034..9f687e2 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -152,7 +152,8 @@
         mBootFinished(false),
         mPrimaryHWVsyncEnabled(false),
         mHWVsyncAvailable(false),
-        mDaltonize(false)
+        mDaltonize(false),
+        mHasColorMatrix(false)
 {
     ALOGI("SurfaceFlinger is starting");
 
@@ -881,7 +882,9 @@
 
 void SurfaceFlinger::setUpHWComposer() {
     for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
-        mDisplays[dpy]->beginFrame();
+        bool mustRecompose =
+                !(mDisplays[dpy]->getDirtyRegion(false).isEmpty());
+        mDisplays[dpy]->beginFrame(mustRecompose);
     }
 
     HWComposer& hwc(getHwComposer());
@@ -902,7 +905,7 @@
                         for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
                             const sp<Layer>& layer(currentLayers[i]);
                             layer->setGeometry(hw, *cur);
-                            if (mDebugDisableHWC || mDebugRegion || mDaltonize) {
+                            if (mDebugDisableHWC || mDebugRegion || mDaltonize || mHasColorMatrix) {
                                 cur->setSkip(true);
                             }
                         }
@@ -1379,7 +1382,7 @@
 
         // handle hidden surfaces by setting the visible region to empty
         if (CC_LIKELY(layer->isVisible())) {
-            const bool translucent = !layer->isOpaque();
+            const bool translucent = !layer->isOpaque(s);
             Rect bounds(s.transform.transform(layer->computeBounds()));
             visibleRegion.set(bounds);
             if (!visibleRegion.isEmpty()) {
@@ -1499,6 +1502,15 @@
 void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& hw,
         const Region& inDirtyRegion)
 {
+    // We only need to actually compose the display if:
+    // 1) It is being handled by hardware composer, which may need this to
+    //    keep its virtual display state machine in sync, or
+    // 2) There is work to be done (the dirty region isn't empty)
+    bool isHwcDisplay = hw->getHwcDisplayId() >= 0;
+    if (!isHwcDisplay && inDirtyRegion.isEmpty()) {
+        return;
+    }
+
     Region dirtyRegion(inDirtyRegion);
 
     // compute the invalid region
@@ -1524,11 +1536,15 @@
         }
     }
 
-    if (CC_LIKELY(!mDaltonize)) {
+    if (CC_LIKELY(!mDaltonize && !mHasColorMatrix)) {
         doComposeSurfaces(hw, dirtyRegion);
     } else {
         RenderEngine& engine(getRenderEngine());
-        engine.beginGroup(mDaltonizer());
+        mat4 colorMatrix = mColorMatrix;
+        if (mDaltonize) {
+            colorMatrix = colorMatrix * mDaltonizer();
+        }
+        engine.beginGroup(colorMatrix);
         doComposeSurfaces(hw, dirtyRegion);
         engine.endGroup();
     }
@@ -1624,7 +1640,7 @@
                         const Layer::State& state(layer->getDrawingState());
                         if ((cur->getHints() & HWC_HINT_CLEAR_FB)
                                 && i
-                                && layer->isOpaque() && (state.alpha == 0xFF)
+                                && layer->isOpaque(state) && (state.alpha == 0xFF)
                                 && hasGlesComposition) {
                             // never clear the very first layer since we're
                             // guaranteed the FB is already cleared
@@ -1868,7 +1884,9 @@
             if (layer->setTransparentRegionHint(s.transparentRegion))
                 flags |= eTraversalNeeded;
         }
-        if (what & layer_state_t::eVisibilityChanged) {
+        if ((what & layer_state_t::eVisibilityChanged) ||
+                (what & layer_state_t::eOpacityChanged)) {
+            // TODO: should we just use an eFlagsChanged for this?
             if (layer->setFlags(s.flags, s.mask))
                 flags |= eTraversalNeeded;
         }
@@ -2415,7 +2433,8 @@
     colorizer.reset(result);
     result.appendFormat("  h/w composer %s and %s\n",
             hwc.initCheck()==NO_ERROR ? "present" : "not present",
-                    (mDebugDisableHWC || mDebugRegion || mDaltonize) ? "disabled" : "enabled");
+                    (mDebugDisableHWC || mDebugRegion || mDaltonize
+                            || mHasColorMatrix) ? "disabled" : "enabled");
     hwc.dump(result);
 
     /*
@@ -2578,8 +2597,28 @@
                 mDaltonize = n > 0;
                 invalidateHwcGeometry();
                 repaintEverything();
+                return NO_ERROR;
             }
-            return NO_ERROR;
+            case 1015: {
+                // apply a color matrix
+                n = data.readInt32();
+                mHasColorMatrix = n ? 1 : 0;
+                if (n) {
+                    // color matrix is sent as mat3 matrix followed by vec3
+                    // offset, then packed into a mat4 where the last row is
+                    // the offset and extra values are 0
+                    for (size_t i = 0 ; i < 4; i++) {
+                      for (size_t j = 0; j < 4; j++) {
+                          mColorMatrix[i][j] = data.readFloat();
+                      }
+                    }
+                } else {
+                    mColorMatrix = mat4();
+                }
+                invalidateHwcGeometry();
+                repaintEverything();
+                return NO_ERROR;
+            }
         }
     }
     return err;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 80bb619..9db0ce1 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -38,6 +38,7 @@
 #include <binder/IMemory.h>
 
 #include <ui/PixelFormat.h>
+#include <ui/mat4.h>
 
 #include <gui/ISurfaceComposer.h>
 #include <gui/ISurfaceComposerClient.h>
@@ -472,6 +473,9 @@
 
     Daltonizer mDaltonizer;
     bool mDaltonize;
+
+    mat4 mColorMatrix;
+    bool mHasColorMatrix;
 };
 
 }; // namespace android