diff --git a/include/gui/CpuConsumer.h b/include/gui/CpuConsumer.h
index 3b07a31..f9d0e7d 100644
--- a/include/gui/CpuConsumer.h
+++ b/include/gui/CpuConsumer.h
@@ -67,6 +67,25 @@
         uint8_t    *dataCr;
         uint32_t    chromaStride;
         uint32_t    chromaStep;
+
+        LockedBuffer() :
+            data(NULL),
+            width(0),
+            height(0),
+            format(PIXEL_FORMAT_NONE),
+            stride(0),
+            crop(0, 0, 0, 0),
+            transform(0),
+            scalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
+            timestamp(0),
+            dataSpace(HAL_DATASPACE_UNKNOWN),
+            frameNumber(0),
+            flexFormat(PIXEL_FORMAT_NONE),
+            dataCb(NULL),
+            dataCr(NULL),
+            chromaStride(0),
+            chromaStep(0)
+        {}
     };
 
     // Create a new CPU consumer. The maxLockedBuffers parameter specifies
diff --git a/include/private/gui/LayerState.h b/include/private/gui/LayerState.h
index cbe8733..b2574d0 100644
--- a/include/private/gui/LayerState.h
+++ b/include/private/gui/LayerState.h
@@ -58,11 +58,10 @@
         :   what(0),
             x(0), y(0), z(0), w(0), h(0), layerStack(0),
             alpha(0), flags(0), mask(0),
-            reserved(0)
+            reserved(0), crop(Rect::INVALID_RECT)
     {
         matrix.dsdx = matrix.dtdy = 1.0f;
         matrix.dsdy = matrix.dtdx = 0.0f;
-        crop.makeInvalid();
     }
 
     status_t    write(Parcel& output) const;
@@ -117,6 +116,8 @@
         eDisplaySizeChanged         = 0x08
     };
 
+    DisplayState();
+
     uint32_t what;
     sp<IBinder> token;
     sp<IGraphicBufferProducer> surface;
diff --git a/include/private/ui/RegionHelper.h b/include/private/ui/RegionHelper.h
index 8c190dd..84eb100 100644
--- a/include/private/ui/RegionHelper.h
+++ b/include/private/ui/RegionHelper.h
@@ -72,7 +72,7 @@
     }
 
     void operator()(region_rasterizer& rasterizer) {
-        RECT current;
+        RECT current(Rect::EMPTY_RECT);
         do {
             SpannerInner spannerInner(spanner.lhs, spanner.rhs);
             int inside = spanner.next(current.top, current.bottom);
diff --git a/include/ui/Rect.h b/include/ui/Rect.h
index 3886f93..6310502 100644
--- a/include/ui/Rect.h
+++ b/include/ui/Rect.h
@@ -32,13 +32,12 @@
     typedef ARect::value_type value_type;
 
     static const Rect INVALID_RECT;
+    static const Rect EMPTY_RECT;
 
     // we don't provide copy-ctor and operator= on purpose
     // because we want the compiler generated versions
 
-    inline Rect() {
-      left = right = top = bottom = 0;
-    }
+    inline Rect() : Rect(INVALID_RECT) {}
 
     inline Rect(int32_t w, int32_t h) {
         left = top = 0;