--- a/uiacceltk/hitchcock/coretoolkit/src/HuiFxFilterLayer.cpp	Tue Aug 31 16:07:35 2010 +0300
+++ b/uiacceltk/hitchcock/coretoolkit/src/HuiFxFilterLayer.cpp	Wed Sep 01 12:16:53 2010 +0100
@@ -76,6 +76,10 @@
     return iFilter->PrepareDrawL(aEngine);
     }
 
+EXPORT_C void CHuiFxFilterLayer::ReleaseAllCachedRenderTargets(CHuiFxEngine& /*aEngine*/)
+    {
+    // currently filter effects do not permanently reserve their render targets, only for frame drawing.
+    }
 
 EXPORT_C TBool CHuiFxFilterLayer::Changed() const
     {