diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index 271a35f..45f1821 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -34,6 +34,7 @@
 // ----------------------------------------------------------------------------
 
 class IGraphicBufferAlloc;
+class String8;
 
 class SurfaceTexture : public BnSurfaceTexture {
 public:
@@ -157,6 +158,10 @@
     // getCurrentTransform returns the transform of the current buffer
     uint32_t getCurrentTransform() const;
 
+    // dump our state in a String
+    void dump(String8& result) const;
+    void dump(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
+
 protected:
 
     // freeAllBuffers frees the resources (both GraphicBuffer and EGLImage) for