diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
index 57f9e15..971a1b8 100644
--- a/include/gui/SurfaceTextureClient.h
+++ b/include/gui/SurfaceTextureClient.h
@@ -40,6 +40,7 @@
 
 protected:
     SurfaceTextureClient();
+    virtual ~SurfaceTextureClient();
     void setISurfaceTexture(const sp<ISurfaceTexture>& surfaceTexture);
 
 private:
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 3c0d475..0561909 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -437,6 +437,11 @@
             mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR;
             mSlots[buf].mEglDisplay = EGL_NO_DISPLAY;
         }
+        if (mCurrentTexture == buf) {
+            // The current texture no longer references the buffer in this slot
+            // since we just allocated a new buffer.
+            mCurrentTexture = INVALID_BUFFER_SLOT;
+        }
         returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
     }
     ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", buf,
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index 98fa171..48070d6 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -36,6 +36,12 @@
     SurfaceTextureClient::init();
 }
 
+SurfaceTextureClient::~SurfaceTextureClient() {
+    if (mConnectedToCpu) {
+        SurfaceTextureClient::disconnect(NATIVE_WINDOW_API_CPU);
+    }
+}
+
 void SurfaceTextureClient::init() {
     // Initialize the ANativeWindow function pointers.
     ANativeWindow::setSwapInterval  = hook_setSwapInterval;
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index 13a4929..fe32d43 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -85,7 +85,7 @@
             bool atStart = !strncmp(BC_EXT_STR " ", exts, bcExtLen+1);
             bool atEnd = (bcExtLen+1) < extsLen &&
                     !strcmp(" " BC_EXT_STR, exts + extsLen - (bcExtLen+1));
-            bool inMiddle = strstr(" " BC_EXT_STR " ", exts);
+            bool inMiddle = strstr(exts, " " BC_EXT_STR " ");
             if (equal || atStart || atEnd || inMiddle) {
                 PFNEGLSETBLOBCACHEFUNCSANDROIDPROC eglSetBlobCacheFuncsANDROID;
                 eglSetBlobCacheFuncsANDROID =
diff --git a/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if b/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
index c5e34cd..0c5fa04 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
+++ b/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
@@ -124,6 +124,10 @@
     public static final int GL_TEXTURE_MAX_ANISOTROPY_EXT                           = 0x84FE;
     public static final int GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT                       = 0x84FF;
     public static final int GL_BGRA                                                 = 0x80E1;
+    public static final int GL_TEXTURE_EXTERNAL_OES                                 = 0x8D65;
+    public static final int GL_SAMPLER_EXTERNAL_OES                                 = 0x8D66;
+    public static final int GL_TEXTURE_BINDING_EXTERNAL_OES                         = 0x8D67;
+    public static final int GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES                     = 0x8D68;
 
     native private static void _nativeClassInit();
     static {
@@ -135,4 +139,4 @@
     private static final int GL_FLOAT = GLES10.GL_FLOAT;
     private static final int GL_SHORT = GLES10.GL_SHORT;
     
-    private static Buffer _matrixIndexPointerOES;
\ No newline at end of file
+    private static Buffer _matrixIndexPointerOES;