diff --git a/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
index 96ee502..f85ea9f 100644
--- a/camera/libcameraservice/CameraService.cpp
+++ b/camera/libcameraservice/CameraService.cpp
@@ -915,24 +915,24 @@
 void CameraService::Client::postAutoFocus(bool focused)
 {
     LOGV("postAutoFocus");
-    mCameraClient->autoFocusCallback(focused);
+    mCameraClient->notifyCallback(CAMERA_MSG_FOCUS, (int32_t)focused, 0);
 }
 
 void CameraService::Client::postShutter()
 {
-    mCameraClient->shutterCallback();
+    mCameraClient->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0);
 }
 
 void CameraService::Client::postRaw(const sp<IMemory>& mem)
 {
     LOGD("postRaw");
-    mCameraClient->rawCallback(mem);
+    mCameraClient->dataCallback(CAMERA_MSG_RAW_IMAGE, mem);
 }
 
 void CameraService::Client::postJpeg(const sp<IMemory>& mem)
 {
     LOGD("postJpeg");
-    mCameraClient->jpegCallback(mem);
+    mCameraClient->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem);
 }
 
 void CameraService::Client::copyFrameAndPostCopiedFrame(sp<IMemoryHeap> heap, size_t offset, size_t size)
@@ -960,7 +960,7 @@
         LOGE("failed to allocate space for frame callback");
         return;
     }
-    mCameraClient->previewCallback(frame);
+    mCameraClient->dataCallback(CAMERA_MSG_PREVIEW_FRAME, frame);
 }
 
 void CameraService::Client::postRecordingFrame(const sp<IMemory>& frame)
@@ -970,7 +970,7 @@
         LOGW("frame is a null pointer");
         return;
     }
-    mCameraClient->recordingCallback(frame);
+    mCameraClient->dataCallback(CAMERA_MSG_VIDEO_FRAME, frame);
 }
 
 void CameraService::Client::postPreviewFrame(const sp<IMemory>& mem)
@@ -1004,7 +1004,7 @@
         copyFrameAndPostCopiedFrame(heap, offset, size);
     } else {
         LOGV("frame is directly sent out without copying");
-        mCameraClient->previewCallback(mem);
+        mCameraClient->dataCallback(CAMERA_MSG_PREVIEW_FRAME, mem);
     }
 
     // Is this is one-shot only?
@@ -1018,7 +1018,7 @@
 
 void CameraService::Client::postError(status_t error)
 {
-    mCameraClient->errorCallback(error);
+    mCameraClient->notifyCallback(CAMERA_MSG_ERROR, error, 0);
 }
 
 status_t CameraService::dump(int fd, const Vector<String16>& args)
diff --git a/include/ui/Camera.h b/include/ui/Camera.h
index fd851d9..048bdd5 100644
--- a/include/ui/Camera.h
+++ b/include/ui/Camera.h
@@ -63,6 +63,23 @@
 #define FRAME_CALLBACK_FLAG_CAMERA                   0x05
 #define FRAME_CALLBACK_FLAG_BARCODE_SCANNER          0x07
 
+// msgType in notifyCallback function
+enum {
+    CAMERA_MSG_ERROR,
+    CAMERA_MSG_SHUTTER,
+    CAMERA_MSG_FOCUS,
+    CAMERA_MSG_ZOOM
+};
+
+// msgType in dataCallback function
+enum {
+    CAMERA_MSG_PREVIEW_FRAME,
+    CAMERA_MSG_VIDEO_FRAME,
+    CAMERA_MSG_POSTVIEW_FRAME,
+    CAMERA_MSG_RAW_IMAGE,
+    CAMERA_MSG_COMPRESSED_IMAGE
+};
+
 class ICameraService;
 class ICamera;
 class Surface;
@@ -136,13 +153,8 @@
             void        setAutoFocusCallback(autofocus_callback cb, void *cookie);
 
     // ICameraClient interface
-    virtual void        shutterCallback();
-    virtual void        rawCallback(const sp<IMemory>& picture);
-    virtual void        jpegCallback(const sp<IMemory>& picture);
-    virtual void        previewCallback(const sp<IMemory>& frame);
-    virtual void        errorCallback(status_t error);
-    virtual void        autoFocusCallback(bool focused);
-    virtual void        recordingCallback(const sp<IMemory>& frame);
+    virtual void        notifyCallback(int32_t msgType, int32_t ext, int32_t ext2);
+    virtual void        dataCallback(int32_t msgType, const sp<IMemory>& dataPtr);
 
     sp<ICamera>         remote();
 
diff --git a/include/ui/ICameraClient.h b/include/ui/ICameraClient.h
index 73b951c..c4bdd07 100644
--- a/include/ui/ICameraClient.h
+++ b/include/ui/ICameraClient.h
@@ -29,13 +29,8 @@
 public:
     DECLARE_META_INTERFACE(CameraClient);
 
-    virtual void            shutterCallback() = 0;
-    virtual void            rawCallback(const sp<IMemory>& picture) = 0;
-    virtual void            jpegCallback(const sp<IMemory>& picture) = 0;
-    virtual void            previewCallback(const sp<IMemory>& frame) = 0;
-    virtual void            errorCallback(status_t error) = 0;
-    virtual void            autoFocusCallback(bool focused) = 0;
-    virtual void            recordingCallback(const sp<IMemory>& frame) = 0;
+    virtual void            notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) = 0;
+    virtual void            dataCallback(int32_t msgType, const sp<IMemory>& data) = 0;
 
 };
 
diff --git a/include/utils/backup_helpers.h b/include/utils/backup_helpers.h
new file mode 100644
index 0000000..137c5f1
--- /dev/null
+++ b/include/utils/backup_helpers.h
@@ -0,0 +1,15 @@
+#ifndef _UTILS_BACKUP_HELPERS_H
+#define _UTILS_BACKUP_HELPERS_H
+
+int back_up_files(int oldSnapshotFD, int oldDataStream, int newSnapshotFD,
+        char const* fileBase, char const* const* files, int fileCount);
+
+#define TEST_BACKUP_HELPERS 0
+
+#if TEST_BACKUP_HELPERS
+int backup_helper_test_empty();
+int backup_helper_test_four();
+int backup_helper_test_files();
+#endif
+
+#endif // _UTILS_BACKUP_HELPERS_H
diff --git a/libs/ui/Camera.cpp b/libs/ui/Camera.cpp
index 41577c4..6613700 100644
--- a/libs/ui/Camera.cpp
+++ b/libs/ui/Camera.cpp
@@ -337,63 +337,65 @@
     mErrorCallbackCookie = cookie;
 }
 
-void Camera::autoFocusCallback(bool focused)
+// callback from camera service
+void Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
 {
-    LOGV("autoFocusCallback");
-    if (mAutoFocusCallback) {
-        mAutoFocusCallback(focused, mAutoFocusCallbackCookie);
+    switch(msgType) {
+    case CAMERA_MSG_ERROR:
+        LOGV("errorCallback");
+        if (mErrorCallback) {
+            mErrorCallback((status_t)ext1, mErrorCallbackCookie);
+        }
+        break;
+    case CAMERA_MSG_FOCUS:
+        LOGV("autoFocusCallback");
+        if (mAutoFocusCallback) {
+            mAutoFocusCallback((bool)ext1, mAutoFocusCallbackCookie);
+        }
+        break;
+    case CAMERA_MSG_SHUTTER:
+        LOGV("shutterCallback");
+        if (mShutterCallback) {
+            mShutterCallback(mShutterCallbackCookie);
+        }
+        break;
+    default:
+        LOGV("notifyCallback(%d, %d, %d)", msgType, ext1, ext2);
+        break;
     }
 }
 
-void Camera::shutterCallback()
+// callback from camera service when frame or image is ready
+void Camera::dataCallback(int32_t msgType, const sp<IMemory>& dataPtr)
 {
-    LOGV("shutterCallback");
-    if (mShutterCallback) {
-        mShutterCallback(mShutterCallbackCookie);
-    }
-}
-
-void Camera::rawCallback(const sp<IMemory>& picture)
-{
-    LOGV("rawCallback");
-    if (mRawCallback) {
-        mRawCallback(picture, mRawCallbackCookie);
-    }
-}
-
-// callback from camera service when image is ready
-void Camera::jpegCallback(const sp<IMemory>& picture)
-{
-    LOGV("jpegCallback");
-    if (mJpegCallback) {
-        mJpegCallback(picture, mJpegCallbackCookie);
-    }
-}
-
-// callback from camera service when preview frame is ready
-void Camera::previewCallback(const sp<IMemory>& frame)
-{
-    LOGV("frameCallback");
-    if (mPreviewCallback) {
-        mPreviewCallback(frame, mPreviewCallbackCookie);
-    }
-}
-
-// callback from camera service when a recording frame is ready
-void Camera::recordingCallback(const sp<IMemory>& frame)
-{
-    LOGV("recordingCallback");
-    if (mRecordingCallback) {
-        mRecordingCallback(frame, mRecordingCallbackCookie);
-    }
-}
-
-// callback from camera service when an error occurs in preview or takePicture
-void Camera::errorCallback(status_t error)
-{
-    LOGV("errorCallback");
-    if (mErrorCallback) {
-        mErrorCallback(error, mErrorCallbackCookie);
+    switch(msgType) {
+    case CAMERA_MSG_PREVIEW_FRAME:
+        LOGV("previewCallback");
+        if (mPreviewCallback) {
+            mPreviewCallback(dataPtr, mPreviewCallbackCookie);
+        }
+        break;
+    case CAMERA_MSG_VIDEO_FRAME:
+        LOGV("recordingCallback");
+        if (mRecordingCallback) {
+            mRecordingCallback(dataPtr, mRecordingCallbackCookie);
+        }
+        break;
+    case CAMERA_MSG_RAW_IMAGE:
+        LOGV("rawCallback");
+        if (mRawCallback) {
+            mRawCallback(dataPtr, mRawCallbackCookie);
+        }
+        break;
+    case CAMERA_MSG_COMPRESSED_IMAGE:
+        LOGV("jpegCallback");
+        if (mJpegCallback) {
+            mJpegCallback(dataPtr, mJpegCallbackCookie);
+        }
+        break;
+    default:
+        LOGV("dataCallback(%d, %p)", msgType, dataPtr.get());
+        break;
     }
 }
 
diff --git a/libs/ui/ICameraClient.cpp b/libs/ui/ICameraClient.cpp
index 4bec9d2..c6cf75c 100644
--- a/libs/ui/ICameraClient.cpp
+++ b/libs/ui/ICameraClient.cpp
@@ -25,13 +25,8 @@
 namespace android {
 
 enum {
-    SHUTTER_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
-    RAW_CALLBACK,
-    JPEG_CALLBACK,
-    PREVIEW_CALLBACK,
-    ERROR_CALLBACK,
-    AUTOFOCUS_CALLBACK,
-    RECORDING_CALLBACK,
+    NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
+    DATA_CALLBACK,
 };
 
 class BpCameraClient: public BpInterface<ICameraClient>
@@ -42,74 +37,29 @@
     {
     }
 
-    // callback to let the app know the shutter has closed, ideal for playing the shutter sound
-    void shutterCallback()
+    // generic callback from camera service to app
+    void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
     {
-        LOGV("shutterCallback");
+        LOGV("notifyCallback");
         Parcel data, reply;
         data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        remote()->transact(SHUTTER_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+        data.writeInt32(msgType);
+        data.writeInt32(ext1);
+        data.writeInt32(ext2);
+        remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
-    // callback from camera service to app with picture data
-    void rawCallback(const sp<IMemory>& picture)
+    // generic data callback from camera service to app with image data
+    void dataCallback(int32_t msgType, const sp<IMemory>& imageData)
     {
-        LOGV("rawCallback");
+        LOGV("dataCallback");
         Parcel data, reply;
         data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeStrongBinder(picture->asBinder());
-        remote()->transact(RAW_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+        data.writeInt32(msgType);
+        data.writeStrongBinder(imageData->asBinder());
+        remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
-    // callback from camera service to app with picture data
-    void jpegCallback(const sp<IMemory>& picture)
-    {
-        LOGV("jpegCallback");
-        Parcel data, reply;
-        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeStrongBinder(picture->asBinder());
-        remote()->transact(JPEG_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-
-    // callback from camera service to app with preview frame data
-    void previewCallback(const sp<IMemory>& frame)
-    {
-        LOGV("previewCallback");
-        Parcel data, reply;
-        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeStrongBinder(frame->asBinder());
-        remote()->transact(PREVIEW_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-
-    // callback from camera service to app with recording frame data
-    void recordingCallback(const sp<IMemory>& frame)
-    {
-        LOGV("recordingCallback");
-        Parcel data, reply;
-        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeStrongBinder(frame->asBinder());
-        remote()->transact(RECORDING_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-
-    // callback from camera service to app to report error
-    void errorCallback(status_t error)
-    {
-        LOGV("errorCallback");
-        Parcel data, reply;
-        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeInt32(error);
-        remote()->transact(ERROR_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
-    }
-
-    // callback from camera service to app to report autofocus completion
-    void autoFocusCallback(bool focused)
-    {
-        LOGV("autoFocusCallback");
-        Parcel data, reply;
-        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
-        data.writeInt32(focused);
-        remote()->transact(AUTOFOCUS_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
-    }
 };
 
 IMPLEMENT_META_INTERFACE(CameraClient, "android.hardware.ICameraClient");
@@ -126,52 +76,21 @@
     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
 {
     switch(code) {
-        case SHUTTER_CALLBACK: {
-            LOGV("SHUTTER_CALLBACK");
+        case NOTIFY_CALLBACK: {
+            LOGV("NOTIFY_CALLBACK");
             CHECK_INTERFACE(ICameraClient, data, reply);
-            shutterCallback();
+            int32_t msgType = data.readInt32();
+            int32_t ext1 = data.readInt32();
+            int32_t ext2 = data.readInt32();
+            notifyCallback(msgType, ext1, ext2);
             return NO_ERROR;
         } break;
-        case RAW_CALLBACK: {
+        case DATA_CALLBACK: {
             LOGV("RAW_CALLBACK");
             CHECK_INTERFACE(ICameraClient, data, reply);
-            sp<IMemory> picture = interface_cast<IMemory>(data.readStrongBinder());
-            rawCallback(picture);
-            return NO_ERROR;
-        } break;
-        case JPEG_CALLBACK: {
-            LOGV("JPEG_CALLBACK");
-            CHECK_INTERFACE(ICameraClient, data, reply);
-            sp<IMemory> picture = interface_cast<IMemory>(data.readStrongBinder());
-            jpegCallback(picture);
-            return NO_ERROR;
-        } break;
-        case PREVIEW_CALLBACK: {
-            LOGV("PREVIEW_CALLBACK");
-            CHECK_INTERFACE(ICameraClient, data, reply);
-            sp<IMemory> frame = interface_cast<IMemory>(data.readStrongBinder());
-            previewCallback(frame);
-            return NO_ERROR;
-        } break;
-        case RECORDING_CALLBACK: {
-            LOGV("RECORDING_CALLBACK");
-            CHECK_INTERFACE(ICameraClient, data, reply);
-            sp<IMemory> frame = interface_cast<IMemory>(data.readStrongBinder());
-            recordingCallback(frame);
-            return NO_ERROR;
-        } break;
-        case ERROR_CALLBACK: {
-            LOGV("ERROR_CALLBACK");
-            CHECK_INTERFACE(ICameraClient, data, reply);
-            status_t error = data.readInt32();
-            errorCallback(error);
-            return NO_ERROR;
-        } break;
-        case AUTOFOCUS_CALLBACK: {
-            LOGV("AUTOFOCUS_CALLBACK");
-            CHECK_INTERFACE(ICameraClient, data, reply);
-            bool focused = (bool)data.readInt32();
-            autoFocusCallback(focused);
+            int32_t msgType = data.readInt32();
+            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
+            dataCallback(msgType, imageData);
             return NO_ERROR;
         } break;
         default:
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index cdb8ca2..f9fb780 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -116,7 +116,8 @@
 	ProcessState.cpp \
 	IPermissionController.cpp \
 	IServiceManager.cpp \
-	Unicode.cpp
+	Unicode.cpp \
+	file_backup_helper.cpp
 
 ifeq ($(TARGET_SIMULATOR),true)
 LOCAL_SRC_FILES += $(hostSources)
diff --git a/libs/utils/file_backup_helper.cpp b/libs/utils/file_backup_helper.cpp
new file mode 100644
index 0000000..453084a
--- /dev/null
+++ b/libs/utils/file_backup_helper.cpp
@@ -0,0 +1,685 @@
+#define LOG_TAG "file_backup_helper"
+
+#include <utils/backup_helpers.h>
+
+#include <utils/KeyedVector.h>
+#include <utils/ByteOrder.h>
+#include <utils/String8.h>
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <utime.h>
+#include <fcntl.h>
+#include <zlib.h>
+
+#include <cutils/log.h>
+
+using namespace android;
+
+#define MAGIC0 0x70616e53 // Snap
+#define MAGIC1 0x656c6946 // File
+
+#define LOGP(x...) LOGD(x)
+//#define LOGP(x...) printf(x)
+
+struct SnapshotHeader {
+    int magic0;
+    int fileCount;
+    int magic1;
+    int totalSize;
+};
+
+struct FileState {
+    int modTime_sec;
+    int modTime_nsec;
+    int size;
+    int crc32;
+    int nameLen;
+};
+
+const static int ROUND_UP[4] = { 0, 3, 2, 1 };
+
+static inline int
+round_up(int n)
+{
+    return n + ROUND_UP[n % 4];
+}
+
+static int
+read_snapshot_file(int fd, KeyedVector<String8,FileState>* snapshot)
+{
+    int bytesRead = 0;
+    int amt;
+    SnapshotHeader header;
+
+    amt = read(fd, &header, sizeof(header));
+    if (amt != sizeof(header)) {
+        return errno;
+    }
+    bytesRead += amt;
+
+    if (header.magic0 != MAGIC0 || header.magic1 != MAGIC1) {
+        LOGW("read_snapshot_file header.magic0=0x%08x magic1=0x%08x", header.magic0, header.magic1);
+        return 1;
+    }
+
+    for (int i=0; i<header.fileCount; i++) {
+        FileState file;
+        char filenameBuf[128];
+
+        amt = read(fd, &file, sizeof(file));
+        if (amt != sizeof(file)) {
+            LOGW("read_snapshot_file FileState truncated/error with read at %d bytes\n", bytesRead);
+            return 1;
+        }
+        bytesRead += amt;
+
+        // filename is not NULL terminated, but it is padded
+        int nameBufSize = round_up(file.nameLen);
+        char* filename = nameBufSize <= (int)sizeof(filenameBuf)
+                ? filenameBuf
+                : (char*)malloc(nameBufSize);
+        amt = read(fd, filename, nameBufSize);
+        if (amt == nameBufSize) {
+            snapshot->add(String8(filename, file.nameLen), file);
+        }
+        bytesRead += amt;
+        if (filename != filenameBuf) {
+            free(filename);
+        }
+        if (amt != nameBufSize) {
+            LOGW("read_snapshot_file filename truncated/error with read at %d bytes\n", bytesRead);
+            return 1;
+        }
+    }
+
+    if (header.totalSize != bytesRead) {
+        LOGW("read_snapshot_file length mismatch: header.totalSize=%d bytesRead=%d\n",
+                header.totalSize, bytesRead);
+        return 1;
+    }
+
+    return 0;
+}
+
+static int
+write_snapshot_file(int fd, const KeyedVector<String8,FileState>& snapshot)
+{
+    int bytesWritten = sizeof(SnapshotHeader);
+    // preflight size
+    const int N = snapshot.size();
+    for (int i=0; i<N; i++) {
+        const String8& name = snapshot.keyAt(i);
+        bytesWritten += sizeof(FileState) + round_up(name.length());
+    }
+
+    int amt;
+    SnapshotHeader header = { MAGIC0, N, MAGIC1, bytesWritten };
+
+    amt = write(fd, &header, sizeof(header));
+    if (amt != sizeof(header)) {
+        LOGW("write_snapshot_file error writing header %s", strerror(errno));
+        return errno;
+    }
+
+    for (int i=0; i<header.fileCount; i++) {
+        const String8& name = snapshot.keyAt(i);
+        FileState file = snapshot.valueAt(i);
+        int nameLen = file.nameLen = name.length();
+
+        amt = write(fd, &file, sizeof(file));
+        if (amt != sizeof(file)) {
+            LOGW("write_snapshot_file error writing header %s", strerror(errno));
+            return 1;
+        }
+
+        // filename is not NULL terminated, but it is padded
+        amt = write(fd, name.string(), nameLen);
+        if (amt != nameLen) {
+            LOGW("write_snapshot_file error writing filename %s", strerror(errno));
+            return 1;
+        }
+        int paddingLen = ROUND_UP[nameLen % 4];
+        if (paddingLen != 0) {
+            int padding = 0xabababab;
+            amt = write(fd, &padding, paddingLen);
+            if (amt != paddingLen) {
+                LOGW("write_snapshot_file error writing %d bytes of filename padding %s",
+                        paddingLen, strerror(errno));
+                return 1;
+            }
+        }
+    }
+
+    return 0;
+}
+
+static int
+write_delete_file(const String8& key)
+{
+    LOGP("write_delete_file %s\n", key.string());
+    return 0;
+}
+
+static int
+write_update_file(const String8& realFilename, const String8& key)
+{
+    LOGP("write_update_file %s (%s)\n", realFilename.string(), key.string());
+    return 0;
+}
+
+static int
+compute_crc32(const String8& filename)
+{
+    const int bufsize = 4*1024;
+    int amt;
+
+    int fd = open(filename.string(), O_RDONLY);
+    if (fd == -1) {
+        return -1;
+    }
+
+    char* buf = (char*)malloc(bufsize);
+    int crc = crc32(0L, Z_NULL, 0);
+
+    while ((amt = read(fd, buf, bufsize)) != 0) {
+        crc = crc32(crc, (Bytef*)buf, amt);
+    }
+
+    close(fd);
+    free(buf);
+
+    return crc;
+}
+
+int
+back_up_files(int oldSnapshotFD, int oldDataStream, int newSnapshotFD,
+        char const* fileBase, char const* const* files, int fileCount)
+{
+    int err;
+    const String8 base(fileBase);
+    KeyedVector<String8,FileState> oldSnapshot;
+    KeyedVector<String8,FileState> newSnapshot;
+
+    if (oldSnapshotFD != -1) {
+        err = read_snapshot_file(oldSnapshotFD, &oldSnapshot);
+        if (err != 0) {
+            // On an error, treat this as a full backup.
+            oldSnapshot.clear();
+        }
+    }
+
+    for (int i=0; i<fileCount; i++) {
+        String8 name(files[i]);
+        FileState s;
+        struct stat st;
+        String8 realFilename(base);
+        realFilename.appendPath(name);
+
+        err = stat(realFilename.string(), &st);
+        if (err != 0) {
+            LOGW("Error stating file %s", realFilename.string());
+            continue;
+        }
+
+        s.modTime_sec = st.st_mtime;
+        s.modTime_nsec = 0; // workaround sim breakage
+        //s.modTime_nsec = st.st_mtime_nsec;
+        s.size = st.st_size;
+        s.crc32 = compute_crc32(realFilename);
+
+        newSnapshot.add(name, s);
+    }
+
+    int n = 0;
+    int N = oldSnapshot.size();
+    int m = 0;
+
+    while (n<N && m<fileCount) {
+        const String8& p = oldSnapshot.keyAt(n);
+        const String8& q = newSnapshot.keyAt(m);
+        int cmp = p.compare(q);
+        if (cmp > 0) {
+            // file added
+            String8 realFilename(base);
+            realFilename.appendPath(q);
+            write_update_file(realFilename, q);
+            m++;
+        }
+        else if (cmp < 0) {
+            // file removed
+            write_delete_file(p);
+            n++;
+        }
+        else {
+            // both files exist, check them
+            String8 realFilename(base);
+            realFilename.appendPath(q);
+            const FileState& f = oldSnapshot.valueAt(n);
+            const FileState& g = newSnapshot.valueAt(m);
+
+            LOGP("%s\n", q.string());
+            LOGP("  new: modTime=%d,%d size=%-3d crc32=0x%08x\n",
+                    f.modTime_sec, f.modTime_nsec, f.size, f.crc32);
+            LOGP("  old: modTime=%d,%d size=%-3d crc32=0x%08x\n",
+                    g.modTime_sec, g.modTime_nsec, g.size, g.crc32);
+            if (f.modTime_sec != g.modTime_sec || f.modTime_nsec != g.modTime_nsec
+                    || f.size != g.size || f.crc32 != g.crc32) {
+                write_update_file(realFilename, p);
+            }
+            n++;
+            m++;
+        }
+    }
+
+    // these were deleted
+    while (n<N) {
+        write_delete_file(oldSnapshot.keyAt(n));
+        n++;
+    }
+
+    // these were added
+    while (m<fileCount) {
+        const String8& q = newSnapshot.keyAt(m);
+        String8 realFilename(base);
+        realFilename.appendPath(q);
+        write_update_file(realFilename, q);
+        m++;
+    }
+
+    err = write_snapshot_file(newSnapshotFD, newSnapshot);
+
+    return 0;
+}
+
+#if TEST_BACKUP_HELPERS
+
+#define SCRATCH_DIR "/data/backup_helper_test/"
+
+static int
+write_text_file(const char* path, const char* data)
+{
+    int amt;
+    int fd;
+    int len;
+
+    fd = creat(path, 0666);
+    if (fd == -1) {
+        fprintf(stderr, "creat %s failed\n", path);
+        return errno;
+    }
+
+    len = strlen(data);
+    amt = write(fd, data, len);
+    if (amt != len) {
+        fprintf(stderr, "error (%s) writing to file %s\n", strerror(errno), path);
+        return errno;
+    }
+
+    close(fd);
+
+    return 0;
+}
+
+static int
+compare_file(const char* path, const unsigned char* data, int len)
+{
+    int fd;
+    int amt;
+
+    fd = open(path, O_RDONLY);
+    if (fd == -1) {
+        fprintf(stderr, "compare_file error (%s) opening %s\n", strerror(errno), path);
+        return errno;
+    }
+
+    unsigned char* contents = (unsigned char*)malloc(len);
+    if (contents == NULL) {
+        fprintf(stderr, "malloc(%d) failed\n", len);
+        return ENOMEM;
+    }
+
+    bool sizesMatch = true;
+    amt = lseek(fd, 0, SEEK_END);
+    if (amt != len) {
+        fprintf(stderr, "compare_file file length should be %d, was %d\n", len, amt);
+        sizesMatch = false;
+    }
+    lseek(fd, 0, SEEK_SET);
+
+    int readLen = amt < len ? amt : len;
+    amt = read(fd, contents, readLen);
+    if (amt != readLen) {
+        fprintf(stderr, "compare_file read expected %d bytes but got %d\n", len, amt);
+    }
+
+    bool contentsMatch = true;
+    for (int i=0; i<readLen; i++) {
+        if (data[i] != contents[i]) {
+            if (contentsMatch) {
+                fprintf(stderr, "compare_file contents are different: (index, expected, actual)\n");
+                contentsMatch = false;
+            }
+            fprintf(stderr, "  [%-2d] %02x %02x\n", i, data[i], contents[i]);
+        }
+    }
+
+    return contentsMatch && sizesMatch ? 0 : 1;
+}
+
+int
+backup_helper_test_empty()
+{
+    int err;
+    int fd;
+    KeyedVector<String8,FileState> snapshot;
+    const char* filename = SCRATCH_DIR "backup_helper_test_empty.snap";
+
+    system("rm -r " SCRATCH_DIR);
+    mkdir(SCRATCH_DIR, 0777);
+
+    // write
+    fd = creat(filename, 0666);
+    if (fd == -1) {
+        fprintf(stderr, "error creating %s\n", filename);
+        return 1;
+    }
+
+    err = write_snapshot_file(fd, snapshot);
+
+    close(fd);
+
+    if (err != 0) {
+        fprintf(stderr, "write_snapshot_file reported error %d (%s)\n", err, strerror(err));
+        return err;
+    }
+
+    static const unsigned char correct_data[] = {
+        0x53, 0x6e, 0x61, 0x70,  0x00, 0x00, 0x00, 0x00,
+        0x46, 0x69, 0x6c, 0x65,  0x10, 0x00, 0x00, 0x00
+    };
+
+    err = compare_file(filename, correct_data, sizeof(correct_data));
+    if (err != 0) {
+        return err;
+    }
+
+    // read
+    fd = open(filename, O_RDONLY);
+    if (fd == -1) {
+        fprintf(stderr, "error opening for read %s\n", filename);
+        return 1;
+    }
+
+    KeyedVector<String8,FileState> readSnapshot;
+    err = read_snapshot_file(fd, &readSnapshot);
+    if (err != 0) {
+        fprintf(stderr, "read_snapshot_file failed %d\n", err);
+        return err;
+    }
+
+    if (readSnapshot.size() != 0) {
+        fprintf(stderr, "readSnapshot should be length 0\n");
+        return 1;
+    }
+
+    return 0;
+}
+
+int
+backup_helper_test_four()
+{
+    int err;
+    int fd;
+    KeyedVector<String8,FileState> snapshot;
+    const char* filename = SCRATCH_DIR "backup_helper_test_four.snap";
+
+    system("rm -r " SCRATCH_DIR);
+    mkdir(SCRATCH_DIR, 0777);
+
+    // write
+    fd = creat(filename, 0666);
+    if (fd == -1) {
+        fprintf(stderr, "error opening %s\n", filename);
+        return 1;
+    }
+
+    String8 filenames[4];
+    FileState states[4];
+
+    states[0].modTime_sec = 0xfedcba98;
+    states[0].modTime_nsec = 0xdeadbeef;
+    states[0].size = 0xababbcbc;
+    states[0].crc32 = 0x12345678;
+    states[0].nameLen = -12;
+    filenames[0] = String8("bytes_of_padding");
+    snapshot.add(filenames[0], states[0]);
+
+    states[1].modTime_sec = 0x93400031;
+    states[1].modTime_nsec = 0xdeadbeef;
+    states[1].size = 0x88557766;
+    states[1].crc32 = 0x22334422;
+    states[1].nameLen = -1;
+    filenames[1] = String8("bytes_of_padding3");
+    snapshot.add(filenames[1], states[1]);
+
+    states[2].modTime_sec = 0x33221144;
+    states[2].modTime_nsec = 0xdeadbeef;
+    states[2].size = 0x11223344;
+    states[2].crc32 = 0x01122334;
+    states[2].nameLen = 0;
+    filenames[2] = String8("bytes_of_padding_2");
+    snapshot.add(filenames[2], states[2]);
+
+    states[3].modTime_sec = 0x33221144;
+    states[3].modTime_nsec = 0xdeadbeef;
+    states[3].size = 0x11223344;
+    states[3].crc32 = 0x01122334;
+    states[3].nameLen = 0;
+    filenames[3] = String8("bytes_of_padding__1");
+    snapshot.add(filenames[3], states[3]);
+
+    err = write_snapshot_file(fd, snapshot);
+
+    close(fd);
+
+    if (err != 0) {
+        fprintf(stderr, "write_snapshot_file reported error %d (%s)\n", err, strerror(err));
+        return err;
+    }
+
+    static const unsigned char correct_data[] = {
+        // header
+        0x53, 0x6e, 0x61, 0x70,  0x04, 0x00, 0x00, 0x00,
+        0x46, 0x69, 0x6c, 0x65,  0xac, 0x00, 0x00, 0x00,
+
+        // bytes_of_padding
+        0x98, 0xba, 0xdc, 0xfe,  0xef, 0xbe, 0xad, 0xde,
+        0xbc, 0xbc, 0xab, 0xab,  0x78, 0x56, 0x34, 0x12,
+        0x10, 0x00, 0x00, 0x00,  0x62, 0x79, 0x74, 0x65,
+        0x73, 0x5f, 0x6f, 0x66,  0x5f, 0x70, 0x61, 0x64,
+        0x64, 0x69, 0x6e, 0x67,
+
+        // bytes_of_padding3
+        0x31, 0x00, 0x40, 0x93,  0xef, 0xbe, 0xad, 0xde,
+        0x66, 0x77, 0x55, 0x88,  0x22, 0x44, 0x33, 0x22,
+        0x11, 0x00, 0x00, 0x00,  0x62, 0x79, 0x74, 0x65,
+        0x73, 0x5f, 0x6f, 0x66,  0x5f, 0x70, 0x61, 0x64,
+        0x64, 0x69, 0x6e, 0x67,  0x33, 0xab, 0xab, 0xab,
+        
+        // bytes of padding2
+        0x44, 0x11, 0x22, 0x33,  0xef, 0xbe, 0xad, 0xde,
+        0x44, 0x33, 0x22, 0x11,  0x34, 0x23, 0x12, 0x01,
+        0x12, 0x00, 0x00, 0x00,  0x62, 0x79, 0x74, 0x65,
+        0x73, 0x5f, 0x6f, 0x66,  0x5f, 0x70, 0x61, 0x64,
+        0x64, 0x69, 0x6e, 0x67,  0x5f, 0x32, 0xab, 0xab,
+        
+        // bytes of padding3
+        0x44, 0x11, 0x22, 0x33,  0xef, 0xbe, 0xad, 0xde,
+        0x44, 0x33, 0x22, 0x11,  0x34, 0x23, 0x12, 0x01,
+        0x13, 0x00, 0x00, 0x00,  0x62, 0x79, 0x74, 0x65,
+        0x73, 0x5f, 0x6f, 0x66,  0x5f, 0x70, 0x61, 0x64,
+        0x64, 0x69, 0x6e, 0x67,  0x5f, 0x5f, 0x31, 0xab
+    };
+
+    err = compare_file(filename, correct_data, sizeof(correct_data));
+    if (err != 0) {
+        return err;
+    }
+    
+    // read
+    fd = open(filename, O_RDONLY);
+    if (fd == -1) {
+        fprintf(stderr, "error opening for read %s\n", filename);
+        return 1;
+    }
+
+
+    KeyedVector<String8,FileState> readSnapshot;
+    err = read_snapshot_file(fd, &readSnapshot);
+    if (err != 0) {
+        fprintf(stderr, "read_snapshot_file failed %d\n", err);
+        return err;
+    }
+
+    if (readSnapshot.size() != 4) {
+        fprintf(stderr, "readSnapshot should be length 4 is %d\n", readSnapshot.size());
+        return 1;
+    }
+
+    bool matched = true;
+    for (size_t i=0; i<readSnapshot.size(); i++) {
+        const String8& name = readSnapshot.keyAt(i);
+        const FileState state = readSnapshot.valueAt(i);
+
+        if (name != filenames[i] || states[i].modTime_sec != state.modTime_sec
+                || states[i].modTime_nsec != state.modTime_nsec
+                || states[i].size != state.size || states[i].crc32 != states[i].crc32) {
+            fprintf(stderr, "state %d expected={%d/%d, 0x%08x, 0x%08x, %3d} '%s'\n"
+                            "          actual={%d/%d, 0x%08x, 0x%08x, %3d} '%s'\n", i,
+                    states[i].modTime_sec, states[i].modTime_nsec, states[i].size, states[i].crc32,
+                    name.length(), filenames[i].string(),
+                    state.modTime_sec, state.modTime_nsec, state.size, state.crc32, state.nameLen,
+                    name.string());
+            matched = false;
+        }
+    }
+    
+    return matched ? 0 : 1;
+}
+
+static int
+get_mod_time(const char* filename, struct timeval times[2])
+{
+    int err;
+    struct stat64 st;
+    err = stat64(filename, &st);
+    if (err != 0) {
+        fprintf(stderr, "stat '%s' failed: %s\n", filename, strerror(errno));
+        return errno;
+    }
+    times[0].tv_sec = st.st_atime;
+    times[0].tv_usec = st.st_atime_nsec / 1000;
+    times[1].tv_sec = st.st_mtime;
+    times[1].tv_usec = st.st_mtime_nsec / 1000;
+    return 0;
+}
+
+int
+backup_helper_test_files()
+{
+    int err;
+    int newSnapshotFD;
+    int oldSnapshotFD;
+
+    system("rm -r " SCRATCH_DIR);
+    mkdir(SCRATCH_DIR, 0777);
+    mkdir(SCRATCH_DIR "data", 0777);
+
+    write_text_file(SCRATCH_DIR "data/b", "b\nbb\n");
+    write_text_file(SCRATCH_DIR "data/c", "c\ncc\n");
+    write_text_file(SCRATCH_DIR "data/d", "d\ndd\n");
+    write_text_file(SCRATCH_DIR "data/e", "e\nee\n");
+    write_text_file(SCRATCH_DIR "data/f", "f\nff\n");
+    write_text_file(SCRATCH_DIR "data/h", "h\nhh\n");
+
+    char const* files_before[] = {
+        "data/b",
+        "data/c",
+        "data/d",
+        "data/e",
+        "data/f"
+    };
+
+    newSnapshotFD = creat(SCRATCH_DIR "before.snap", 0666);
+    if (newSnapshotFD == -1) {
+        fprintf(stderr, "error creating: %s\n", strerror(errno));
+        return errno;
+    }
+
+    err = back_up_files(-1, newSnapshotFD, 0, SCRATCH_DIR, files_before, 5);
+    if (err != 0) {
+        return err;
+    }
+
+    close(newSnapshotFD);
+
+    sleep(3);
+
+    struct timeval d_times[2];
+    struct timeval e_times[2];
+
+    err = get_mod_time(SCRATCH_DIR "data/d", d_times);
+    err |= get_mod_time(SCRATCH_DIR "data/e", e_times);
+    if (err != 0) {
+        return err;
+    }
+
+    write_text_file(SCRATCH_DIR "data/a", "a\naa\n");
+    unlink(SCRATCH_DIR "data/c");
+    write_text_file(SCRATCH_DIR "data/c", "c\ncc\n");
+    write_text_file(SCRATCH_DIR "data/d", "dd\ndd\n");
+    utimes(SCRATCH_DIR "data/d", d_times);
+    write_text_file(SCRATCH_DIR "data/e", "z\nzz\n");
+    utimes(SCRATCH_DIR "data/e", e_times);
+    write_text_file(SCRATCH_DIR "data/g", "g\ngg\n");
+    unlink(SCRATCH_DIR "data/f");
+    
+    char const* files_after[] = {
+        "data/a", // added
+        "data/b", // same
+        "data/c", // different mod time
+        "data/d", // different size (same mod time)
+        "data/e", // different contents (same mod time, same size)
+        "data/g"  // added
+    };
+
+    oldSnapshotFD = open(SCRATCH_DIR "before.snap", O_RDONLY);
+    if (oldSnapshotFD == -1) {
+        fprintf(stderr, "error opening: %s\n", strerror(errno));
+        return errno;
+    }
+
+    newSnapshotFD = creat(SCRATCH_DIR "after.snap", 0666);
+    if (newSnapshotFD == -1) {
+        fprintf(stderr, "error creating: %s\n", strerror(errno));
+        return errno;
+    }
+
+    err = back_up_files(oldSnapshotFD, newSnapshotFD, 0, SCRATCH_DIR, files_after, 6);
+    if (err != 0) {
+        return err;
+    }
+
+    close(oldSnapshotFD);
+    close(newSnapshotFD);
+    
+    return 0;
+}
+
+#endif // TEST_BACKUP_HELPERS
diff --git a/opengl/include/GLES/glext.h b/opengl/include/GLES/glext.h
index 4c01871..a8fe2e9 100644
--- a/opengl/include/GLES/glext.h
+++ b/opengl/include/GLES/glext.h
@@ -599,21 +599,6 @@
 #define GL_EXT_texture_filter_anisotropic 1
 #endif
 
-/*------------------------------------------------------------------------*
- * dalvik extension functions
- *------------------------------------------------------------------------*/
-#ifdef ANDROID
-void glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
-        const GLvoid *ptr, GLsizei count);
-void glNormalPointerBounds(GLenum type, GLsizei stride,
-        const GLvoid *pointer, GLsizei count);
-void glTexCoordPointerBounds(GLint size, GLenum type,
-        GLsizei stride, const GLvoid *pointer, GLsizei count);
-void glVertexPointerBounds(GLint size, GLenum type,
-        GLsizei stride, const GLvoid *pointer, GLsizei count);
-#endif
-
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/opengl/include/KHR/khrplatform.h b/opengl/include/KHR/khrplatform.h
index 4cc27c5..1660bd7 100644
--- a/opengl/include/KHR/khrplatform.h
+++ b/opengl/include/KHR/khrplatform.h
@@ -91,6 +91,8 @@
 #   define KHRONOS_APICALL __declspec(dllimport)
 #elif defined (__SYMBIAN32__)
 #   define KHRONOS_APICALL IMPORT_C
+#elif defined(ANDROID)
+#   define KHRONOS_APICALL __attribute__((visibility("default")))
 #else
 #   define KHRONOS_APICALL
 #endif
diff --git a/opengl/libagl/Android.mk b/opengl/libagl/Android.mk
index 99efe4c..3ce0414 100644
--- a/opengl/libagl/Android.mk
+++ b/opengl/libagl/Android.mk
@@ -33,6 +33,8 @@
 endif
 
 LOCAL_SHARED_LIBRARIES := libcutils libutils libpixelflinger
+LOCAL_CFLAGS += -fvisibility=hidden
+
 LOCAL_LDLIBS := -lpthread -ldl
 LOCAL_MODULE:= libagl
 
diff --git a/opengl/libs/Android.mk b/opengl/libs/Android.mk
index d636d73..5ba6b76 100644
--- a/opengl/libs/Android.mk
+++ b/opengl/libs/Android.mk
@@ -23,6 +23,8 @@
     LOCAL_CFLAGS += -I$(LOCAL_PATH)/../../../../bionic/libc/private
 endif
 
+LOCAL_CFLAGS += -fvisibility=hidden
+
 include $(BUILD_SHARED_LIBRARY)
 
 
@@ -49,4 +51,6 @@
     LOCAL_CFLAGS += -I$(LOCAL_PATH)/../../../../bionic/libc/private
 endif
 
+LOCAL_CFLAGS += -fvisibility=hidden
+
 include $(BUILD_SHARED_LIBRARY)
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
index 5ed3ecc..25e31ee 100644
--- a/opengl/libs/EGL/egl.cpp
+++ b/opengl/libs/EGL/egl.cpp
@@ -164,8 +164,8 @@
 
 // ----------------------------------------------------------------------------
 
-gl_hooks_t gHooks[IMPL_NUM_IMPLEMENTATIONS];
-pthread_key_t gGLWrapperKey = -1;
+EGLAPI gl_hooks_t gHooks[IMPL_NUM_IMPLEMENTATIONS];
+EGLAPI pthread_key_t gGLWrapperKey = -1;
 
 // ----------------------------------------------------------------------------
 
diff --git a/opengl/libs/EGL/gpu.cpp b/opengl/libs/EGL/gpu.cpp
index 3f9fd63..f9dc5f1 100644
--- a/opengl/libs/EGL/gpu.cpp
+++ b/opengl/libs/EGL/gpu.cpp
@@ -53,7 +53,7 @@
 static Mutex                            gRegionsLock;
 static request_gpu_t                    gRegions;
 static sp<ISurfaceComposer>             gSurfaceManager;
-ISurfaceComposer*                       GLES_localSurfaceManager = 0;
+GL_API ISurfaceComposer*                GLES_localSurfaceManager = 0;
 
 extern egl_connection_t gEGLImpl[2];
 
diff --git a/opengl/libs/GLES_CM/gl.cpp b/opengl/libs/GLES_CM/gl.cpp
index 0057168..384b59a 100644
--- a/opengl/libs/GLES_CM/gl.cpp
+++ b/opengl/libs/GLES_CM/gl.cpp
@@ -37,6 +37,17 @@
 // extensions for the framework
 // ----------------------------------------------------------------------------
 
+extern "C" {
+GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
+        const GLvoid *ptr, GLsizei count);
+GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
+        const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+}
+
 void glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
         const GLvoid *ptr, GLsizei count) {
     glColorPointer(size, type, stride, ptr);
diff --git a/opengl/libs/egl_impl.h b/opengl/libs/egl_impl.h
index 62ce3fc..312b176 100644
--- a/opengl/libs/egl_impl.h
+++ b/opengl/libs/egl_impl.h
@@ -20,6 +20,8 @@
 #include <ctype.h>
 
 #include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <EGL/eglplatform.h>
 
 // ----------------------------------------------------------------------------
 namespace android {
diff --git a/opengl/tools/glgen/specs/gles11/checks.spec b/opengl/tools/glgen/specs/gles11/checks.spec
index 97dac2e..e31a2ce 100644
--- a/opengl/tools/glgen/specs/gles11/checks.spec
+++ b/opengl/tools/glgen/specs/gles11/checks.spec
@@ -9,7 +9,7 @@
 glGenBuffers check buffers n
 glGenTextures check textures n
 glGetClipPlane check eqn 4
-glGetIntegerv ifcheck params 1 pname GL_ALPHA_BITS,GL_ALPHA_TEST_FUNC,GL_ALPHA_TEST_REF,GL_BLEND_DST,GL_BLUE_BITS,GL_COLOR_ARRAY_BUFFER_BINDING,GL_COLOR_ARRAY_SIZE,GL_COLOR_ARRAY_STRIDE,GL_COLOR_ARRAY_TYPE,GL_CULL_FACE,GL_DEPTH_BITS,GL_DEPTH_CLEAR_VALUE,GL_DEPTH_FUNC,GL_DEPTH_WRITEMASK,GL_FOG_DENSITY,GL_FOG_END,GL_FOG_MODE,GL_FOG_START,GL_FRONT_FACE,GL_GREEN_BITS,GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES,GL_IMPLEMENTATION_COLOR_READ_TYPE_OES,GL_LIGHT_MODEL_TWO_SIDE,GL_LINE_SMOOTH_HINT,GL_LINE_WIDTH,GL_LOGIC_OP_MODE,GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES,GL_MATRIX_INDEX_ARRAY_SIZE_OES,GL_MATRIX_INDEX_ARRAY_STRIDE_OES,GL_MATRIX_INDEX_ARRAY_TYPE_OES,GL_MATRIX_MODE,GL_MAX_CLIP_PLANES,GL_MAX_ELEMENTS_INDICES,GL_MAX_ELEMENTS_VERTICES,GL_MAX_LIGHTS,GL_MAX_MODELVIEW_STACK_DEPTH,GL_MAX_PALETTE_MATRICES_OES,GL_MAX_PROJECTION_STACK_DEPTH,GL_MAX_TEXTURE_SIZE,GL_MAX_TEXTURE_STACK_DEPTH,GL_MAX_TEXTURE_UNITS,GL_MAX_VERTEX_UNITS_OES,GL_MODELVIEW_STACK_DEPTH,GL_NORMAL_ARRAY_BUFFER_BINDING,GL_NORMAL_ARRAY_STRIDE,GL_NORMAL_ARRAY_TYPE,GL_NUM_COMPRESSED_TEXTURE_FORMATS,GL_PACK_ALIGNMENT,GL_PERSPECTIVE_CORRECTION_HINT,GL_POINT_SIZE,GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES,GL_POINT_SIZE_ARRAY_STRIDE_OES,GL_POINT_SIZE_ARRAY_TYPE_OES,GL_POINT_SMOOTH_HINT,GL_POLYGON_OFFSET_FACTOR,GL_POLYGON_OFFSET_UNITS,GL_PROJECTION_STACK_DEPTH,GL_RED_BITS,GL_SHADE_MODEL,GL_STENCIL_BITS,GL_STENCIL_CLEAR_VALUE,GL_STENCIL_FAIL,GL_STENCIL_FUNC,GL_STENCIL_PASS_DEPTH_FAIL,GL_STENCIL_PASS_DEPTH_PASS,GL_STENCIL_REF,GL_STENCIL_VALUE_MASK,GL_STENCIL_WRITEMASK,GL_SUBPIXEL_BITS,GL_TEXTURE_BINDING_2D,GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING,GL_TEXTURE_COORD_ARRAY_SIZE,GL_TEXTURE_COORD_ARRAY_STRIDE,GL_TEXTURE_COORD_ARRAY_TYPE,GL_TEXTURE_STACK_DEPTH,GL_UNPACK_ALIGNMENT,GL_VERTEX_ARRAY_BUFFER_BINDING,GL_VERTEX_ARRAY_SIZE,GL_VERTEX_ARRAY_STRIDE,GL_VERTEX_ARRAY_TYPE,GL_WEIGHT_ARRAY_BUFFER_BINDING_OES,GL_WEIGHT_ARRAY_SIZE_OES,GL_WEIGHT_ARRAY_STRIDE_OES,GL_WEIGHT_ARRAY_TYPE_OES ifcheck params 2 pname GL_ALIASED_POINT_SIZE_RANGE,GL_ALIASED_LINE_WIDTH_RANGE,GL_DEPTH_RANGE,GL_MAX_VIEWPORT_DIMS,GL_SMOOTH_LINE_WIDTH_RANGE,GL_SMOOTH_POINT_SIZE_RANGE ifcheck params 4 pname GL_COLOR_CLEAR_VALUE,GL_COLOR_WRITEMASK,GL_SCISSOR_BOX,GL_VIEWPORT ifcheck params 16 pname GL_MODELVIEW_MATRIX,GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES,GL_PROJECTION_MATRIX,GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES,GL_TEXTURE_MATRIX,GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES ifcheck params _NUM_COMPRESSED_TEXTURE_FORMATS pname GL_COMPRESSED_TEXTURE_FORMATS,GL_FOG_COLOR,GL_LIGHT_MODEL_AMBIENT
+glGetIntegerv ifcheck params 1 pname GL_ALPHA_BITS,GL_ALPHA_TEST_FUNC,GL_ALPHA_TEST_REF,GL_BLEND_DST,GL_BLUE_BITS,GL_COLOR_ARRAY_BUFFER_BINDING,GL_COLOR_ARRAY_SIZE,GL_COLOR_ARRAY_STRIDE,GL_COLOR_ARRAY_TYPE,GL_CULL_FACE,GL_DEPTH_BITS,GL_DEPTH_CLEAR_VALUE,GL_DEPTH_FUNC,GL_DEPTH_WRITEMASK,GL_FOG_DENSITY,GL_FOG_END,GL_FOG_MODE,GL_FOG_START,GL_FRONT_FACE,GL_GREEN_BITS,GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES,GL_IMPLEMENTATION_COLOR_READ_TYPE_OES,GL_LIGHT_MODEL_COLOR_CONTROL,GL_LIGHT_MODEL_LOCAL_VIEWER,GL_LIGHT_MODEL_TWO_SIDE,GL_LINE_SMOOTH_HINT,GL_LINE_WIDTH,GL_LOGIC_OP_MODE,GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES,GL_MATRIX_INDEX_ARRAY_SIZE_OES,GL_MATRIX_INDEX_ARRAY_STRIDE_OES,GL_MATRIX_INDEX_ARRAY_TYPE_OES,GL_MATRIX_MODE,GL_MAX_CLIP_PLANES,GL_MAX_ELEMENTS_INDICES,GL_MAX_ELEMENTS_VERTICES,GL_MAX_LIGHTS,GL_MAX_MODELVIEW_STACK_DEPTH,GL_MAX_PALETTE_MATRICES_OES,GL_MAX_PROJECTION_STACK_DEPTH,GL_MAX_TEXTURE_SIZE,GL_MAX_TEXTURE_STACK_DEPTH,GL_MAX_TEXTURE_UNITS,GL_MAX_VERTEX_UNITS_OES,GL_MODELVIEW_STACK_DEPTH,GL_NORMAL_ARRAY_BUFFER_BINDING,GL_NORMAL_ARRAY_STRIDE,GL_NORMAL_ARRAY_TYPE,GL_NUM_COMPRESSED_TEXTURE_FORMATS,GL_PACK_ALIGNMENT,GL_PERSPECTIVE_CORRECTION_HINT,GL_POINT_SIZE,GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES,GL_POINT_SIZE_ARRAY_STRIDE_OES,GL_POINT_SIZE_ARRAY_TYPE_OES,GL_POINT_SMOOTH_HINT,GL_POLYGON_OFFSET_FACTOR,GL_POLYGON_OFFSET_UNITS,GL_PROJECTION_STACK_DEPTH,GL_RED_BITS,GL_SHADE_MODEL,GL_STENCIL_BITS,GL_STENCIL_CLEAR_VALUE,GL_STENCIL_FAIL,GL_STENCIL_FUNC,GL_STENCIL_PASS_DEPTH_FAIL,GL_STENCIL_PASS_DEPTH_PASS,GL_STENCIL_REF,GL_STENCIL_VALUE_MASK,GL_STENCIL_WRITEMASK,GL_SUBPIXEL_BITS,GL_TEXTURE_BINDING_2D,GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING,GL_TEXTURE_COORD_ARRAY_SIZE,GL_TEXTURE_COORD_ARRAY_STRIDE,GL_TEXTURE_COORD_ARRAY_TYPE,GL_TEXTURE_STACK_DEPTH,GL_UNPACK_ALIGNMENT,GL_VERTEX_ARRAY_BUFFER_BINDING,GL_VERTEX_ARRAY_SIZE,GL_VERTEX_ARRAY_STRIDE,GL_VERTEX_ARRAY_TYPE,GL_WEIGHT_ARRAY_BUFFER_BINDING_OES,GL_WEIGHT_ARRAY_SIZE_OES,GL_WEIGHT_ARRAY_STRIDE_OES,GL_WEIGHT_ARRAY_TYPE_OES ifcheck params 2 pname GL_ALIASED_POINT_SIZE_RANGE,GL_ALIASED_LINE_WIDTH_RANGE,GL_DEPTH_RANGE,GL_MAX_VIEWPORT_DIMS,GL_SMOOTH_LINE_WIDTH_RANGE,GL_SMOOTH_POINT_SIZE_RANGE ifcheck params 4 pname GL_COLOR_CLEAR_VALUE,GL_COLOR_WRITEMASK,GL_FOG_COLOR,GL_LIGHT_MODEL_AMBIENT,GL_SCISSOR_BOX,GL_VIEWPORT ifcheck params 16 pname GL_MODELVIEW_MATRIX,GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES,GL_PROJECTION_MATRIX,GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES,GL_TEXTURE_MATRIX,GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES ifcheck params getNumCompressedTextureFormats() pname GL_COMPRESSED_TEXTURE_FORMATS
 glGetLight ifcheck params 1 pname GL_SPOT_EXPONENT,GL_SPOT_CUTOFF,GL_CONSTANT_ATTENUATION,GL_LINEAR_ATTENUATION,GL_QUADRATIC_ATTENUATION ifcheck params 3 pname GL_SPOT_DIRECTION ifcheck params 4 pname GL_AMBIENT,GL_DIFFUSE,GL_SPECULAR,GL_EMISSION
 glGetMaterial ifcheck params 1 pname GL_SHININESS ifcheck params 4 pname GL_AMBIENT,GL_DIFFUSE,GL_SPECULAR,GL_EMISSION,GL_AMBIENT_AND_DIFFUSE
 glGetTexEnv ifcheck params 1 pname GL_TEXTURE_ENV_MODE,GL_COMBINE_RGB,GL_COMBINE_ALPHA ifcheck params 4 pname GL_TEXTURE_ENV_COLOR
diff --git a/opengl/tools/glgen/specs/jsr239/glspec-checks b/opengl/tools/glgen/specs/jsr239/glspec-checks
index a84ed65..55840fa 100644
--- a/opengl/tools/glgen/specs/jsr239/glspec-checks
+++ b/opengl/tools/glgen/specs/jsr239/glspec-checks
@@ -7,7 +7,7 @@
 glGenBuffers check buffers n
 glGenTextures check textures n
 glGetClipPlane check eqn 4
-glGetIntegerv ifcheck params 1 pname GL_ALPHA_BITS,GL_ALPHA_TEST_FUNC,GL_ALPHA_TEST_REF,GL_BLEND_DST,GL_BLUE_BITS,GL_COLOR_ARRAY_BUFFER_BINDING,GL_COLOR_ARRAY_SIZE,GL_COLOR_ARRAY_STRIDE,GL_COLOR_ARRAY_TYPE,GL_CULL_FACE,GL_DEPTH_BITS,GL_DEPTH_CLEAR_VALUE,GL_DEPTH_FUNC,GL_DEPTH_WRITEMASK,GL_FOG_DENSITY,GL_FOG_END,GL_FOG_MODE,GL_FOG_START,GL_FRONT_FACE,GL_GREEN_BITS,GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES,GL_IMPLEMENTATION_COLOR_READ_TYPE_OES,GL_LIGHT_MODEL_TWO_SIDE,GL_LINE_SMOOTH_HINT,GL_LINE_WIDTH,GL_LOGIC_OP_MODE,GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES,GL_MATRIX_INDEX_ARRAY_SIZE_OES,GL_MATRIX_INDEX_ARRAY_STRIDE_OES,GL_MATRIX_INDEX_ARRAY_TYPE_OES,GL_MATRIX_MODE,GL_MAX_CLIP_PLANES,GL_MAX_ELEMENTS_INDICES,GL_MAX_ELEMENTS_VERTICES,GL_MAX_LIGHTS,GL_MAX_MODELVIEW_STACK_DEPTH,GL_MAX_PALETTE_MATRICES_OES,GL_MAX_PROJECTION_STACK_DEPTH,GL_MAX_TEXTURE_SIZE,GL_MAX_TEXTURE_STACK_DEPTH,GL_MAX_TEXTURE_UNITS,GL_MAX_VERTEX_UNITS_OES,GL_MODELVIEW_STACK_DEPTH,GL_NORMAL_ARRAY_BUFFER_BINDING,GL_NORMAL_ARRAY_STRIDE,GL_NORMAL_ARRAY_TYPE,GL_NUM_COMPRESSED_TEXTURE_FORMATS,GL_PACK_ALIGNMENT,GL_PERSPECTIVE_CORRECTION_HINT,GL_POINT_SIZE,GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES,GL_POINT_SIZE_ARRAY_STRIDE_OES,GL_POINT_SIZE_ARRAY_TYPE_OES,GL_POINT_SMOOTH_HINT,GL_POLYGON_OFFSET_FACTOR,GL_POLYGON_OFFSET_UNITS,GL_PROJECTION_STACK_DEPTH,GL_RED_BITS,GL_SHADE_MODEL,GL_STENCIL_BITS,GL_STENCIL_CLEAR_VALUE,GL_STENCIL_FAIL,GL_STENCIL_FUNC,GL_STENCIL_PASS_DEPTH_FAIL,GL_STENCIL_PASS_DEPTH_PASS,GL_STENCIL_REF,GL_STENCIL_VALUE_MASK,GL_STENCIL_WRITEMASK,GL_SUBPIXEL_BITS,GL_TEXTURE_BINDING_2D,GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING,GL_TEXTURE_COORD_ARRAY_SIZE,GL_TEXTURE_COORD_ARRAY_STRIDE,GL_TEXTURE_COORD_ARRAY_TYPE,GL_TEXTURE_STACK_DEPTH,GL_UNPACK_ALIGNMENT,GL_VERTEX_ARRAY_BUFFER_BINDING,GL_VERTEX_ARRAY_SIZE,GL_VERTEX_ARRAY_STRIDE,GL_VERTEX_ARRAY_TYPE,GL_WEIGHT_ARRAY_BUFFER_BINDING_OES,GL_WEIGHT_ARRAY_SIZE_OES,GL_WEIGHT_ARRAY_STRIDE_OES,GL_WEIGHT_ARRAY_TYPE_OES ifcheck params 2 pname GL_ALIASED_POINT_SIZE_RANGE,GL_ALIASED_LINE_WIDTH_RANGE,GL_DEPTH_RANGE,GL_MAX_VIEWPORT_DIMS,GL_SMOOTH_LINE_WIDTH_RANGE,GL_SMOOTH_POINT_SIZE_RANGE ifcheck params 4 pname GL_COLOR_CLEAR_VALUE,GL_COLOR_WRITEMASK,GL_SCISSOR_BOX,GL_VIEWPORT ifcheck params 16 pname GL_MODELVIEW_MATRIX,GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES,GL_PROJECTION_MATRIX,GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES,GL_TEXTURE_MATRIX,GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES ifcheck params _NUM_COMPRESSED_TEXTURE_FORMATS pname GL_COMPRESSED_TEXTURE_FORMATS,GL_FOG_COLOR,GL_LIGHT_MODEL_AMBIENT
+glGetIntegerv ifcheck params 1 pname GL_ALPHA_BITS,GL_ALPHA_TEST_FUNC,GL_ALPHA_TEST_REF,GL_BLEND_DST,GL_BLUE_BITS,GL_COLOR_ARRAY_BUFFER_BINDING,GL_COLOR_ARRAY_SIZE,GL_COLOR_ARRAY_STRIDE,GL_COLOR_ARRAY_TYPE,GL_CULL_FACE,GL_DEPTH_BITS,GL_DEPTH_CLEAR_VALUE,GL_DEPTH_FUNC,GL_DEPTH_WRITEMASK,GL_FOG_DENSITY,GL_FOG_END,GL_FOG_MODE,GL_FOG_START,GL_FRONT_FACE,GL_GREEN_BITS,GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES,GL_IMPLEMENTATION_COLOR_READ_TYPE_OES,GL_LIGHT_MODEL_COLOR_CONTROL,GL_LIGHT_MODEL_LOCAL_VIEWER,GL_LIGHT_MODEL_TWO_SIDE,GL_LINE_SMOOTH_HINT,GL_LINE_WIDTH,GL_LOGIC_OP_MODE,GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES,GL_MATRIX_INDEX_ARRAY_SIZE_OES,GL_MATRIX_INDEX_ARRAY_STRIDE_OES,GL_MATRIX_INDEX_ARRAY_TYPE_OES,GL_MATRIX_MODE,GL_MAX_CLIP_PLANES,GL_MAX_ELEMENTS_INDICES,GL_MAX_ELEMENTS_VERTICES,GL_MAX_LIGHTS,GL_MAX_MODELVIEW_STACK_DEPTH,GL_MAX_PALETTE_MATRICES_OES,GL_MAX_PROJECTION_STACK_DEPTH,GL_MAX_TEXTURE_SIZE,GL_MAX_TEXTURE_STACK_DEPTH,GL_MAX_TEXTURE_UNITS,GL_MAX_VERTEX_UNITS_OES,GL_MODELVIEW_STACK_DEPTH,GL_NORMAL_ARRAY_BUFFER_BINDING,GL_NORMAL_ARRAY_STRIDE,GL_NORMAL_ARRAY_TYPE,GL_NUM_COMPRESSED_TEXTURE_FORMATS,GL_PACK_ALIGNMENT,GL_PERSPECTIVE_CORRECTION_HINT,GL_POINT_SIZE,GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES,GL_POINT_SIZE_ARRAY_STRIDE_OES,GL_POINT_SIZE_ARRAY_TYPE_OES,GL_POINT_SMOOTH_HINT,GL_POLYGON_OFFSET_FACTOR,GL_POLYGON_OFFSET_UNITS,GL_PROJECTION_STACK_DEPTH,GL_RED_BITS,GL_SHADE_MODEL,GL_STENCIL_BITS,GL_STENCIL_CLEAR_VALUE,GL_STENCIL_FAIL,GL_STENCIL_FUNC,GL_STENCIL_PASS_DEPTH_FAIL,GL_STENCIL_PASS_DEPTH_PASS,GL_STENCIL_REF,GL_STENCIL_VALUE_MASK,GL_STENCIL_WRITEMASK,GL_SUBPIXEL_BITS,GL_TEXTURE_BINDING_2D,GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING,GL_TEXTURE_COORD_ARRAY_SIZE,GL_TEXTURE_COORD_ARRAY_STRIDE,GL_TEXTURE_COORD_ARRAY_TYPE,GL_TEXTURE_STACK_DEPTH,GL_UNPACK_ALIGNMENT,GL_VERTEX_ARRAY_BUFFER_BINDING,GL_VERTEX_ARRAY_SIZE,GL_VERTEX_ARRAY_STRIDE,GL_VERTEX_ARRAY_TYPE,GL_WEIGHT_ARRAY_BUFFER_BINDING_OES,GL_WEIGHT_ARRAY_SIZE_OES,GL_WEIGHT_ARRAY_STRIDE_OES,GL_WEIGHT_ARRAY_TYPE_OES ifcheck params 2 pname GL_ALIASED_POINT_SIZE_RANGE,GL_ALIASED_LINE_WIDTH_RANGE,GL_DEPTH_RANGE,GL_MAX_VIEWPORT_DIMS,GL_SMOOTH_LINE_WIDTH_RANGE,GL_SMOOTH_POINT_SIZE_RANGE ifcheck params 4 pname GL_COLOR_CLEAR_VALUE,GL_COLOR_WRITEMASK,GL_FOG_COLOR,GL_LIGHT_MODEL_AMBIENT,GL_SCISSOR_BOX,GL_VIEWPORT ifcheck params 16 pname GL_MODELVIEW_MATRIX,GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES,GL_PROJECTION_MATRIX,GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES,GL_TEXTURE_MATRIX,GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES ifcheck params getNumCompressedTextureFormats() pname GL_COMPRESSED_TEXTURE_FORMATS
 glGetLight ifcheck params 1 pname GL_SPOT_EXPONENT,GL_SPOT_CUTOFF,GL_CONSTANT_ATTENUATION,GL_LINEAR_ATTENUATION,GL_QUADRATIC_ATTENUATION ifcheck params 3 pname GL_SPOT_DIRECTION ifcheck params 4 pname GL_AMBIENT,GL_DIFFUSE,GL_SPECULAR,GL_EMISSION
 glGetMaterial ifcheck params 1 pname GL_SHININESS ifcheck params 4 pname GL_AMBIENT,GL_DIFFUSE,GL_SPECULAR,GL_EMISSION,GL_AMBIENT_AND_DIFFUSE
 glGetTexEnv ifcheck params 1 pname GL_TEXTURE_ENV_MODE,GL_COMBINE_RGB,GL_COMBINE_ALPHA ifcheck params 4 pname GL_TEXTURE_ENV_COLOR
diff --git a/opengl/tools/glgen/src/JniCodeEmitter.java b/opengl/tools/glgen/src/JniCodeEmitter.java
index ef0dbd0..b0997b1 100644
--- a/opengl/tools/glgen/src/JniCodeEmitter.java
+++ b/opengl/tools/glgen/src/JniCodeEmitter.java
@@ -454,6 +454,15 @@
 
             String iii = indent + indent;
 
+            // emitBoundsChecks(jfunc, out, iii);
+            emitFunctionCall(jfunc, out, iii, false);
+
+            // Set the pointer after we call the native code, so that if
+            // the native code throws an exception we don't modify the
+            // pointer. We assume that the native code is written so that
+            // if an exception is thrown, then the underlying glXXXPointer
+            // function will not have been called.
+
             String fname = jfunc.getName();
             if (isPointerFunc) {
                 // TODO - deal with VBO variants
@@ -498,9 +507,6 @@
                 }
             }
 
-            // emitBoundsChecks(jfunc, out, iii);
-            emitFunctionCall(jfunc, out, iii, false);
-
             boolean isVoid = jfunc.getType().isVoid();
 
             if (!isVoid) {
@@ -873,19 +879,39 @@
                     String array = numBufferArgs <= 1 ? "_array" :
                         "_" + bufferArgNames.get(bufArgIdx++) + "Array";
 
-                    boolean nullAllowed = isNullAllowed(cfunc);
+                    boolean nullAllowed = isNullAllowed(cfunc) || isPointerFunc;
                     if (nullAllowed) {
                         out.println(indent + "if (" + cname + "_buf) {");
                         out.print(indent);
                     }
 
-                    out.println(indent +
+                    if (isPointerFunc) {
+                        out.println(indent +
                                 cname +
                                 " = (" +
                                 cfunc.getArgType(cIndex).getDeclaration() +
-                                ")getPointer(_env, " +
-                                cname +
-                                "_buf, &" + array + ", &" + remaining + ");");
+                                ") _env->GetDirectBufferAddress(" +
+                                (mUseCPlusPlus ? "" : "_env, ") +
+                                cname + "_buf);");
+                        String iii = "    ";
+                        out.println(iii + indent + "if ( ! " + cname + " ) {");
+                        out.println(iii + iii + indent +
+                                (mUseCPlusPlus ? "_env" : "(*_env)") +
+                                "->ThrowNew(" +
+                                (mUseCPlusPlus ? "" : "_env, ") +
+                                "IAEClass, \"Must use a native order direct Buffer\");");
+                        out.println(iii + iii + indent + "return;");
+                        out.println(iii + indent + "}");
+                    } else {
+                        out.println(indent +
+                                    cname +
+                                    " = (" +
+                                    cfunc.getArgType(cIndex).getDeclaration() +
+                                    ")getPointer(_env, " +
+                                    cname +
+                                    "_buf, &" + array + ", &" + remaining +
+                                    ");");
+                    }
 
                     if (nullAllowed) {
                         out.println(indent + "}");
@@ -987,17 +1013,20 @@
                                 ");");
                     out.println(indent + "}");
                 } else if (jfunc.getArgType(idx).isBuffer()) {
-                    String array = numBufferArgs <= 1 ? "_array" :
-                        "_" + bufferArgNames.get(bufArgIdx++) + "Array";
-                    out.println(indent + "if (" + array + ") {");
-                    out.println(indent + indent +
-                                "releasePointer(_env, " + array + ", " +
-                                cfunc.getArgName(cIndex) +
-                                ", " +
-                                (cfunc.getArgType(cIndex).isConst() ?
-                                 "JNI_FALSE" : "_exception ? JNI_FALSE : JNI_TRUE") +
-                                ");");
-                    out.println(indent + "}");
+                    if (! isPointerFunc) {
+                        String array = numBufferArgs <= 1 ? "_array" :
+                            "_" + bufferArgNames.get(bufArgIdx++) + "Array";
+                        out.println(indent + "if (" + array + ") {");
+                        out.println(indent + indent +
+                                    "releasePointer(_env, " + array + ", " +
+                                    cfunc.getArgName(cIndex) +
+                                    ", " +
+                                    (cfunc.getArgType(cIndex).isConst() ?
+                                     "JNI_FALSE" : "_exception ? JNI_FALSE :" +
+                                             " JNI_TRUE") +
+                                    ");");
+                        out.println(indent + "}");
+                    }
                 }
             }
         }
diff --git a/opengl/tools/glgen/stubs/gles11/GLES10ExtcHeader.cpp b/opengl/tools/glgen/stubs/gles11/GLES10ExtcHeader.cpp
index 3e5c19c..294d1ce 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES10ExtcHeader.cpp
+++ b/opengl/tools/glgen/stubs/gles11/GLES10ExtcHeader.cpp
@@ -21,11 +21,7 @@
 
 #include <assert.h>
 #include <GLES/gl.h>
-
-#include <private/opengles/gl_context.h>
-
-#define _NUM_COMPRESSED_TEXTURE_FORMATS \
-        (::android::OGLES_NUM_COMPRESSED_TEXTURE_FORMATS)
+#include <GLES/glext.h>
 
 static int initialized = 0;
 
diff --git a/opengl/tools/glgen/stubs/gles11/GLES10cHeader.cpp b/opengl/tools/glgen/stubs/gles11/GLES10cHeader.cpp
index 3e5c19c..3948fd3 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES10cHeader.cpp
+++ b/opengl/tools/glgen/stubs/gles11/GLES10cHeader.cpp
@@ -21,11 +21,20 @@
 
 #include <assert.h>
 #include <GLES/gl.h>
+#include <GLES/glext.h>
 
-#include <private/opengles/gl_context.h>
-
-#define _NUM_COMPRESSED_TEXTURE_FORMATS \
-        (::android::OGLES_NUM_COMPRESSED_TEXTURE_FORMATS)
+/* special calls implemented in Android's GLES wrapper used to more
+ * efficiently bound-check passed arrays */
+extern "C" {
+GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
+        const GLvoid *ptr, GLsizei count);
+GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
+        const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+}
 
 static int initialized = 0;
 
@@ -66,7 +75,6 @@
         _env->GetFieldID(bufferClass, "_elementSizeShift", "I");
 }
 
-
 static void
 nativeClassInit(JNIEnv *_env, jclass glImplClass)
 {
@@ -117,7 +125,6 @@
     return (void *) ((char *) data + offset);
 }
 
-
 static void
 releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
 {
@@ -125,5 +132,12 @@
 					   commit ? 0 : JNI_ABORT);
 }
 
+static int
+getNumCompressedTextureFormats() {
+    int numCompressedTextureFormats = 0;
+    glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats);
+    return numCompressedTextureFormats;
+}
+
 // --------------------------------------------------------------------------
 
diff --git a/opengl/tools/glgen/stubs/gles11/GLES11ExtcHeader.cpp b/opengl/tools/glgen/stubs/gles11/GLES11ExtcHeader.cpp
index 3e5c19c..294d1ce 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES11ExtcHeader.cpp
+++ b/opengl/tools/glgen/stubs/gles11/GLES11ExtcHeader.cpp
@@ -21,11 +21,7 @@
 
 #include <assert.h>
 #include <GLES/gl.h>
-
-#include <private/opengles/gl_context.h>
-
-#define _NUM_COMPRESSED_TEXTURE_FORMATS \
-        (::android::OGLES_NUM_COMPRESSED_TEXTURE_FORMATS)
+#include <GLES/glext.h>
 
 static int initialized = 0;
 
diff --git a/opengl/tools/glgen/stubs/gles11/GLES11cHeader.cpp b/opengl/tools/glgen/stubs/gles11/GLES11cHeader.cpp
index 3e5c19c..294d1ce 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES11cHeader.cpp
+++ b/opengl/tools/glgen/stubs/gles11/GLES11cHeader.cpp
@@ -21,11 +21,7 @@
 
 #include <assert.h>
 #include <GLES/gl.h>
-
-#include <private/opengles/gl_context.h>
-
-#define _NUM_COMPRESSED_TEXTURE_FORMATS \
-        (::android::OGLES_NUM_COMPRESSED_TEXTURE_FORMATS)
+#include <GLES/glext.h>
 
 static int initialized = 0;
 
diff --git a/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp b/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
index 4636081..11c6087 100644
--- a/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
+++ b/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
@@ -21,11 +21,20 @@
 
 #include <assert.h>
 #include <GLES/gl.h>
+#include <GLES/glext.h>
 
-#include <private/opengles/gl_context.h>
-
-#define _NUM_COMPRESSED_TEXTURE_FORMATS \
-        (::android::OGLES_NUM_COMPRESSED_TEXTURE_FORMATS)
+/* special calls implemented in Android's GLES wrapper used to more
+ * efficiently bound-check passed arrays */
+extern "C" {
+GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
+        const GLvoid *ptr, GLsizei count);
+GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
+        const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
+        GLsizei stride, const GLvoid *pointer, GLsizei count);
+}
 
 static int initialized = 0;
 
@@ -66,7 +75,6 @@
         _env->GetFieldID(bufferClass, "_elementSizeShift", "I");
 }
 
-
 static void
 nativeClassInit(JNIEnv *_env, jclass glImplClass)
 {
@@ -117,7 +125,6 @@
     return (void *) ((char *) data + offset);
 }
 
-
 static void
 releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
 {
@@ -125,5 +132,12 @@
 					   commit ? 0 : JNI_ABORT);
 }
 
+static int
+getNumCompressedTextureFormats() {
+    int numCompressedTextureFormats = 0;
+    glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats);
+    return numCompressedTextureFormats;
+}
+
 // --------------------------------------------------------------------------