diff --git a/include/ui/ISurfaceFlingerClient.h b/include/ui/ISurfaceFlingerClient.h
index 932a70a..5d231e6 100644
--- a/include/ui/ISurfaceFlingerClient.h
+++ b/include/ui/ISurfaceFlingerClient.h
@@ -52,6 +52,9 @@
     struct surface_data_t {
         int32_t             token;
         int32_t             identity;
+        uint32_t            width;
+        uint32_t            height;
+        uint32_t            format;
         status_t readFromParcel(const Parcel& parcel);
         status_t writeToParcel(Parcel* parcel) const;
     };