diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index 91cba76..f9cf0be 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -144,6 +144,10 @@
     // updateTexImage() is called.
     status_t setDefaultBufferSize(uint32_t width, uint32_t height);
 
+    // setFilteringEnabled sets whether the transform matrix should be computed
+    // for use with bilinear filtering.
+    void setFilteringEnabled(bool enabled);
+
     // getCurrentBuffer returns the buffer associated with the current image.
     sp<GraphicBuffer> getCurrentBuffer() const;
 
@@ -289,6 +293,11 @@
 
     uint32_t mDefaultWidth, mDefaultHeight;
 
+    // mFilteringEnabled indicates whether the transform matrix is computed for
+    // use with bilinear filtering. It defaults to true and is changed by
+    // setFilteringEnabled().
+    bool mFilteringEnabled;
+
     // mTexName is the name of the OpenGL texture to which streamed images will
     // be bound when updateTexImage is called. It is set at construction time
     // and can be changed with a call to attachToContext.