diff --git a/include/utils/VectorImpl.h b/include/utils/VectorImpl.h
index b1224c6..c4ec2ff 100644
--- a/include/utils/VectorImpl.h
+++ b/include/utils/VectorImpl.h
@@ -104,6 +104,16 @@
     virtual void            do_splat(void* dest, const void* item, size_t num) const = 0;
     virtual void            do_move_forward(void* dest, const void* from, size_t num) const = 0;
     virtual void            do_move_backward(void* dest, const void* from, size_t num) const = 0;
+
+    // take care of FBC...
+    virtual void            reservedVectorImpl1();
+    virtual void            reservedVectorImpl2();
+    virtual void            reservedVectorImpl3();
+    virtual void            reservedVectorImpl4();
+    virtual void            reservedVectorImpl5();
+    virtual void            reservedVectorImpl6();
+    virtual void            reservedVectorImpl7();
+    virtual void            reservedVectorImpl8();
     
 private:
         void* _grow(size_t where, size_t amount);
@@ -155,6 +165,16 @@
 protected:
     virtual int             do_compare(const void* lhs, const void* rhs) const = 0;
 
+    // take care of FBC...
+    virtual void            reservedSortedVectorImpl1();
+    virtual void            reservedSortedVectorImpl2();
+    virtual void            reservedSortedVectorImpl3();
+    virtual void            reservedSortedVectorImpl4();
+    virtual void            reservedSortedVectorImpl5();
+    virtual void            reservedSortedVectorImpl6();
+    virtual void            reservedSortedVectorImpl7();
+    virtual void            reservedSortedVectorImpl8();
+
 private:
             ssize_t         _indexOrderOf(const void* item, size_t* order = 0) const;
 
diff --git a/libs/utils/VectorImpl.cpp b/libs/utils/VectorImpl.cpp
index 8083bba..c3257bb 100644
--- a/libs/utils/VectorImpl.cpp
+++ b/libs/utils/VectorImpl.cpp
@@ -494,6 +494,15 @@
     do_move_backward(dest, from, num);
 }
 
+void VectorImpl::reservedVectorImpl1() { }
+void VectorImpl::reservedVectorImpl2() { }
+void VectorImpl::reservedVectorImpl3() { }
+void VectorImpl::reservedVectorImpl4() { }
+void VectorImpl::reservedVectorImpl5() { }
+void VectorImpl::reservedVectorImpl6() { }
+void VectorImpl::reservedVectorImpl7() { }
+void VectorImpl::reservedVectorImpl8() { }
+
 /*****************************************************************************/
 
 SortedVectorImpl::SortedVectorImpl(size_t itemSize, uint32_t flags)
@@ -609,6 +618,16 @@
     return i;
 }
 
+void SortedVectorImpl::reservedSortedVectorImpl1() { };
+void SortedVectorImpl::reservedSortedVectorImpl2() { };
+void SortedVectorImpl::reservedSortedVectorImpl3() { };
+void SortedVectorImpl::reservedSortedVectorImpl4() { };
+void SortedVectorImpl::reservedSortedVectorImpl5() { };
+void SortedVectorImpl::reservedSortedVectorImpl6() { };
+void SortedVectorImpl::reservedSortedVectorImpl7() { };
+void SortedVectorImpl::reservedSortedVectorImpl8() { };
+
+
 /*****************************************************************************/
 
 }; // namespace android
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 26e9c60..7ee6e5e 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1500,6 +1500,28 @@
                 drawWormhole(hw, region);
             }
         }
+
+        if (hw->getDisplayType() >= DisplayDevice::DISPLAY_EXTERNAL) {
+            // TODO: just to be on the safe side, we don't set the
+            // scissor on the main display. It should never be needed
+            // anyways (though in theory it could since the API allows it).
+            const Rect& bounds(hw->getBounds());
+            const Transform& tr(hw->getTransform());
+            const Rect scissor(tr.transform(hw->getViewport()));
+            if (scissor != bounds) {
+                // scissor doesn't match the screen's dimensions, so we
+                // need to clear everything outside of it and enable
+                // the GL scissor so we don't draw anything where we shouldn't
+                const GLint height = hw->getHeight();
+                glScissor(scissor.left, height - scissor.bottom,
+                        scissor.getWidth(), scissor.getHeight());
+                // clear everything unscissored
+                glClearColor(0, 0, 0, 0);
+                glClear(GL_COLOR_BUFFER_BIT);
+                // enable scissor for this frame
+                glEnable(GL_SCISSOR_TEST);
+            }
+        }
     }
 
     /*
@@ -1552,6 +1574,9 @@
             }
         }
     }
+
+    // disable scissor at the end of the frame
+    glDisable(GL_SCISSOR_TEST);
 }
 
 void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& hw,