diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index de447be..da4d56f 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -77,6 +77,11 @@
         eOrientationSwapMask    = 0x01
     };
     
+    enum {
+        eElectronBeamAnimationOn  = 0x01,
+        eElectronBeamAnimationOff = 0x10
+    };
+
     // flags for setOrientation
     enum {
         eOrientationAnimationDisable = 0x00000001
diff --git a/include/utils/Looper.h b/include/utils/Looper.h
index cc51490..eefff31 100644
--- a/include/utils/Looper.h
+++ b/include/utils/Looper.h
@@ -24,10 +24,10 @@
 
 #include <android/looper.h>
 
-// Currently using poll() instead of epoll_wait() since it does a better job of meeting a
-// timeout deadline.  epoll_wait() typically causes additional delays of up to 10ms
-// beyond the requested timeout.
-//#define LOOPER_USES_EPOLL
+// When defined, uses epoll_wait() for polling, otherwise uses poll().
+#define LOOPER_USES_EPOLL
+
+// When defined, logs performance statistics for tuning and debugging purposes.
 //#define LOOPER_STATISTICS
 
 #ifdef LOOPER_USES_EPOLL
diff --git a/libs/utils/ZipFileRO.cpp b/libs/utils/ZipFileRO.cpp
index 9b1f82f..5ff1f8f 100644
--- a/libs/utils/ZipFileRO.cpp
+++ b/libs/utils/ZipFileRO.cpp
@@ -32,6 +32,22 @@
 #include <assert.h>
 #include <unistd.h>
 
+#if HAVE_PRINTF_ZD
+#  define ZD "%zd"
+#  define ZD_TYPE ssize_t
+#else
+#  define ZD "%ld"
+#  define ZD_TYPE long
+#endif
+
+/*
+ * We must open binary files using open(path, ... | O_BINARY) under Windows.
+ * Otherwise strange read errors will happen.
+ */
+#ifndef O_BINARY
+#  define O_BINARY  0
+#endif
+
 /*
  * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
  * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
@@ -124,7 +140,7 @@
     /*
      * Open and map the specified file.
      */
-    fd = ::open(zipFileName, O_RDONLY);
+    fd = ::open(zipFileName, O_RDONLY | O_BINARY);
     if (fd < 0) {
         LOGW("Unable to open zip '%s': %s\n", zipFileName, strerror(errno));
         return NAME_NOT_FOUND;
@@ -172,8 +188,8 @@
  */
 bool ZipFileRO::mapCentralDirectory(void)
 {
-    size_t readAmount = kMaxEOCDSearch;
-    if (readAmount > (size_t) mFileLength)
+    ssize_t readAmount = kMaxEOCDSearch;
+    if (readAmount > (ssize_t) mFileLength)
         readAmount = mFileLength;
 
     unsigned char* scanBuf = (unsigned char*) malloc(readAmount);
@@ -233,7 +249,8 @@
     }
     actual = TEMP_FAILURE_RETRY(read(mFd, scanBuf, readAmount));
     if (actual != (ssize_t) readAmount) {
-        LOGW("Zip: read %zd failed: %s\n", readAmount, strerror(errno));
+        LOGW("Zip: read " ZD ", expected " ZD ". Failed: %s\n",
+            (ZD_TYPE) actual, (ZD_TYPE) readAmount, strerror(errno));
         free(scanBuf);
         return false;
     }
@@ -292,8 +309,8 @@
     }
 
     if (!mDirectoryMap->create(mFileName, mFd, dirOffset, dirSize, true)) {
-        LOGW("Unable to map '%s' (%zd to %zd): %s\n", mFileName,
-                dirOffset, dirOffset + dirSize, strerror(errno));
+        LOGW("Unable to map '%s' (" ZD " to " ZD "): %s\n", mFileName,
+                (ZD_TYPE) dirOffset, (ZD_TYPE) (dirOffset + dirSize), strerror(errno));
         return false;
     }
 
@@ -350,8 +367,8 @@
 
         ptr += kCDELen + fileNameLen + extraLen + commentLen;
         if ((size_t)(ptr - cdPtr) > cdLength) {
-            LOGW("bad CD advance (%d vs %zd) at entry %d\n",
-                (int) (ptr - cdPtr), cdLength, i);
+            LOGW("bad CD advance (%d vs " ZD ") at entry %d\n",
+                (int) (ptr - cdPtr), (ZD_TYPE) cdLength, i);
             goto bail;
         }
     }
@@ -556,8 +573,8 @@
             if (get4LE(lfhBuf) != kLFHSignature) {
                 off_t actualOffset = lseek(mFd, 0, SEEK_CUR);
                 LOGW("didn't find signature at start of lfh; wanted: offset=%ld data=0x%08x; "
-                        "got: offset=%zd data=0x%08lx\n",
-                        localHdrOffset, kLFHSignature, (size_t)actualOffset, get4LE(lfhBuf));
+                        "got: offset=" ZD " data=0x%08lx\n",
+                        localHdrOffset, kLFHSignature, (ZD_TYPE) actualOffset, get4LE(lfhBuf));
                 return false;
             }
         }
@@ -572,16 +589,16 @@
 
         /* check lengths */
         if ((off_t)(dataOffset + compLen) > cdOffset) {
-            LOGW("bad compressed length in zip (%ld + %zd > %ld)\n",
-                (long) dataOffset, compLen, (long) cdOffset);
+            LOGW("bad compressed length in zip (%ld + " ZD " > %ld)\n",
+                (long) dataOffset, (ZD_TYPE) compLen, (long) cdOffset);
             return false;
         }
 
         if (method == kCompressStored &&
             (off_t)(dataOffset + uncompLen) > cdOffset)
         {
-            LOGE("ERROR: bad uncompressed length in zip (%ld + %zd > %ld)\n",
-                (long) dataOffset, uncompLen, (long) cdOffset);
+            LOGE("ERROR: bad uncompressed length in zip (%ld + " ZD " > %ld)\n",
+                (long) dataOffset, (ZD_TYPE) uncompLen, (long) cdOffset);
             return false;
         }
 
@@ -732,8 +749,8 @@
             LOGE("Write failed: %s\n", strerror(errno));
             goto unmap;
         } else if ((size_t) actual != uncompLen) {
-            LOGE("Partial write during uncompress (%zd of %zd)\n",
-                (size_t)actual, (size_t)uncompLen);
+            LOGE("Partial write during uncompress (" ZD " of " ZD ")\n",
+                (ZD_TYPE) actual, (ZD_TYPE) uncompLen);
             goto unmap;
         } else {
             LOGI("+++ successful write\n");
@@ -802,8 +819,8 @@
 
     /* paranoia */
     if (zstream.total_out != uncompLen) {
-        LOGW("Size mismatch on inflated file (%ld vs %zd)\n",
-            zstream.total_out, uncompLen);
+        LOGW("Size mismatch on inflated file (%ld vs " ZD ")\n",
+            zstream.total_out, (ZD_TYPE) uncompLen);
         goto z_bail;
     }
 
@@ -891,8 +908,8 @@
 
     /* paranoia */
     if (zstream.total_out != uncompLen) {
-        LOGW("Size mismatch on inflated file (%ld vs %zd)\n",
-            zstream.total_out, uncompLen);
+        LOGW("Size mismatch on inflated file (%ld vs " ZD ")\n",
+            zstream.total_out, (ZD_TYPE) uncompLen);
         goto z_bail;
     }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3734969..a9b3965 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -80,7 +80,7 @@
         mVisibleRegionsDirty(false),
         mDeferReleaseConsole(false),
         mFreezeDisplay(false),
-        mElectronBeamAnimation(false),
+        mElectronBeamAnimationMode(0),
         mFreezeCount(0),
         mFreezeDisplayTime(0),
         mDebugRegion(0),
@@ -424,8 +424,7 @@
         hw.acquireScreen();
         // this is a temporary work-around, eventually this should be called
         // by the power-manager
-        if (mElectronBeamAnimation)
-            SurfaceFlinger::turnElectronBeamOn(0);
+        SurfaceFlinger::turnElectronBeamOn(mElectronBeamAnimationMode);
     }
 
     if (mDeferReleaseConsole && hw.isScreenAcquired()) {
@@ -1576,6 +1575,7 @@
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
             hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
     if (glGetError() != GL_NO_ERROR) {
+        while ( glGetError() != GL_NO_ERROR ) ;
         GLint tw = (2 << (31 - clz(hw_w)));
         GLint th = (2 << (31 - clz(hw_h)));
         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
@@ -1839,8 +1839,8 @@
         }
     };
 
-    // the full animation is 24 frames
-    const int nbFrames = 12;
+    // the full animation is 12 frames
+    int nbFrames = 8;
     s_curve_interpolator itr(nbFrames, 7.5f);
     s_curve_interpolator itg(nbFrames, 8.0f);
     s_curve_interpolator itb(nbFrames, 8.5f);
@@ -1858,6 +1858,7 @@
         hw.flip(screenBounds);
     }
 
+    nbFrames = 4;
     v_stretch vverts(hw_w, hw_h);
     glEnable(GL_BLEND);
     glBlendFunc(GL_ONE, GL_ONE);
@@ -1900,43 +1901,49 @@
 
 // ---------------------------------------------------------------------------
 
-status_t SurfaceFlinger::turnElectronBeamOffImplLocked()
+status_t SurfaceFlinger::turnElectronBeamOffImplLocked(int32_t mode)
 {
     DisplayHardware& hw(graphicPlane(0).editDisplayHardware());
     if (!hw.canDraw()) {
         // we're already off
         return NO_ERROR;
     }
-    status_t result = electronBeamOffAnimationImplLocked();
-    if (result == NO_ERROR) {
-        hw.setCanDraw(false);
+    if (mode & ISurfaceComposer::eElectronBeamAnimationOff) {
+        electronBeamOffAnimationImplLocked();
     }
-    return result;
+
+    // always clear the whole screen at the end of the animation
+    glClearColor(0,0,0,1);
+    glDisable(GL_SCISSOR_TEST);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glEnable(GL_SCISSOR_TEST);
+    hw.flip( Region(hw.bounds()) );
+
+    hw.setCanDraw(false);
+    return NO_ERROR;
 }
 
 status_t SurfaceFlinger::turnElectronBeamOff(int32_t mode)
 {
-    if (!GLExtensions::getInstance().haveFramebufferObject())
-        return INVALID_OPERATION;
-
     class MessageTurnElectronBeamOff : public MessageBase {
         SurfaceFlinger* flinger;
+        int32_t mode;
         status_t result;
     public:
-        MessageTurnElectronBeamOff(SurfaceFlinger* flinger)
-            : flinger(flinger), result(PERMISSION_DENIED) {
+        MessageTurnElectronBeamOff(SurfaceFlinger* flinger, int32_t mode)
+            : flinger(flinger), mode(mode), result(PERMISSION_DENIED) {
         }
         status_t getResult() const {
             return result;
         }
         virtual bool handler() {
             Mutex::Autolock _l(flinger->mStateLock);
-            result = flinger->turnElectronBeamOffImplLocked();
+            result = flinger->turnElectronBeamOffImplLocked(mode);
             return true;
         }
     };
 
-    sp<MessageBase> msg = new MessageTurnElectronBeamOff(this);
+    sp<MessageBase> msg = new MessageTurnElectronBeamOff(this, mode);
     status_t res = postMessageSync(msg);
     if (res == NO_ERROR) {
         res = static_cast<MessageTurnElectronBeamOff*>( msg.get() )->getResult();
@@ -1944,50 +1951,53 @@
         // work-around: when the power-manager calls us we activate the
         // animation. eventually, the "on" animation will be called
         // by the power-manager itself
-        mElectronBeamAnimation = true;
+        mElectronBeamAnimationMode = mode;
     }
     return res;
 }
 
 // ---------------------------------------------------------------------------
 
-status_t SurfaceFlinger::turnElectronBeamOnImplLocked()
+status_t SurfaceFlinger::turnElectronBeamOnImplLocked(int32_t mode)
 {
     DisplayHardware& hw(graphicPlane(0).editDisplayHardware());
     if (hw.canDraw()) {
         // we're already on
         return NO_ERROR;
     }
-    status_t result = electronBeamOnAnimationImplLocked();
-    if (result == NO_ERROR) {
-        hw.setCanDraw(true);
+    if (mode & ISurfaceComposer::eElectronBeamAnimationOn) {
+        electronBeamOnAnimationImplLocked();
     }
-    return result;
+    hw.setCanDraw(true);
+
+    // make sure to redraw the whole screen when the animation is done
+    mDirtyRegion.set(hw.bounds());
+    signalEvent();
+
+    return NO_ERROR;
 }
 
 status_t SurfaceFlinger::turnElectronBeamOn(int32_t mode)
 {
-    if (!GLExtensions::getInstance().haveFramebufferObject())
-        return INVALID_OPERATION;
-
     class MessageTurnElectronBeamOn : public MessageBase {
         SurfaceFlinger* flinger;
+        int32_t mode;
         status_t result;
     public:
-        MessageTurnElectronBeamOn(SurfaceFlinger* flinger)
-            : flinger(flinger), result(PERMISSION_DENIED) {
+        MessageTurnElectronBeamOn(SurfaceFlinger* flinger, int32_t mode)
+            : flinger(flinger), mode(mode), result(PERMISSION_DENIED) {
         }
         status_t getResult() const {
             return result;
         }
         virtual bool handler() {
             Mutex::Autolock _l(flinger->mStateLock);
-            result = flinger->turnElectronBeamOnImplLocked();
+            result = flinger->turnElectronBeamOnImplLocked(mode);
             return true;
         }
     };
 
-    postMessageAsync( new MessageTurnElectronBeamOn(this) );
+    postMessageAsync( new MessageTurnElectronBeamOn(this, mode) );
     return NO_ERROR;
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index d07a3ad..4262175 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -328,8 +328,8 @@
                     uint32_t* width, uint32_t* height, PixelFormat* format,
                     uint32_t reqWidth = 0, uint32_t reqHeight = 0);
 
-            status_t turnElectronBeamOffImplLocked();
-            status_t turnElectronBeamOnImplLocked();
+            status_t turnElectronBeamOffImplLocked(int32_t mode);
+            status_t turnElectronBeamOnImplLocked(int32_t mode);
             status_t electronBeamOffAnimationImplLocked();
             status_t electronBeamOnAnimationImplLocked();
             status_t renderScreenToTextureLocked(DisplayID dpy,
@@ -395,7 +395,7 @@
                 bool                        mVisibleRegionsDirty;
                 bool                        mDeferReleaseConsole;
                 bool                        mFreezeDisplay;
-                bool                        mElectronBeamAnimation;
+                int32_t                     mElectronBeamAnimationMode;
                 int32_t                     mFreezeCount;
                 nsecs_t                     mFreezeDisplayTime;
                 Vector< sp<LayerBase> >     mVisibleLayersSortedByZ;