diff -r 2717213c588a -r 171fae344dd4 graphicshwdrivers/surfacemgr/inc/surface_hints.h
--- a/graphicshwdrivers/surfacemgr/inc/surface_hints.h	Tue Jun 22 15:21:29 2010 +0300
+++ b/graphicshwdrivers/surfacemgr/inc/surface_hints.h	Fri Jul 16 11:45:55 2010 +0300
@@ -1,4 +1,4 @@
-// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
 // All rights reserved.
 // This component and the accompanying materials are made available
 // under the terms of "Eclipse Public License v1.0"
@@ -47,6 +47,12 @@
 */
 const TInt KSurfaceProtection = 0x3;
 
+/** Hint about the surface’s characteristics or properties,
+   For example if a surface can be persisted by the effects engine.
+   @see TSurfaceCharacteristics for possible values.
+*/
+const TInt KSurfaceCharacteristics = 0x4;
+
 
 /** Values used for the KSurfaceContent key */
 enum TSurfaceContent
@@ -120,6 +126,17 @@
     };
 
 
+/** Values used for the KSurfaceCharacteristics key. The values are bitmasks and can be combined.
+*/
+enum TSurfaceCharacteristics
+    {
+    /**
+    * Surface cannot be persisted once it has been closed by the creator
+    */
+    ENotPersistable = 1,
+    };
+
+
 class TSurfaceUpdate
     {
     /** Constructor.
@@ -185,7 +202,7 @@
     return ( iValue & 0x80000000 ) ? ETrue : EFalse;
     }
 
-}; //namespace surfaceHints
+} //namespace surfaceHints
 
 #endif //__SURFACE_HINTS_H__