diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicscomposition/openwfc_ri_displaychannel/inc/openwfc_ri_displaychannel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/graphicscomposition/openwfc_ri_displaychannel/inc/openwfc_ri_displaychannel.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,69 @@
+// Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and/or associated documentation files (the
+// "Materials"), to deal in the Materials without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Materials, and to
+// permit persons to whom the Materials are furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Materials.
+//
+// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+// 
+// Description:
+// Display Screen Interface implementation for Display Channel
+// 
+//
+
+#ifndef OPENWFC_RI_DISPLAYCHANNEL_H
+#define OPENWFC_RI_DISPLAYCHANNEL_H
+
+#include <WF/openwfc_ri_display.h>
+#include <dispchannel.h>
+
+NONSHARABLE_CLASS(COpenWFC_RI_DisplayChannel) : public COpenWFC_RI_Display
+    {
+public:
+    ~COpenWFC_RI_DisplayChannel();
+    static COpenWFC_RI_DisplayChannel* NewL(TUint aScreen);
+public:
+    TInt GetAttribute(TInt aAttributeId, TAny* aAttribute, TInt aAttributeSize);
+    TInt SetAttribute(TInt aAttributeId, TAny* aAttribute, TInt aAttributeSize);
+    TInt CommitAttribute();
+    TInt SetLayerSurface(TInt aLayer, SymbianStreamType aStream,TInt* aNonTrivialAttribs);
+    TInt UpdateDisplay();
+    TInt SetTopLayerSurface(SymbianStreamType aStream,TInt* aNonTrivialAttribs);
+    
+private:    
+    COpenWFC_RI_DisplayChannel(TUint aScreen);
+    void ConstructL();
+private:
+    struct TBufferAddress
+        {
+        RChunk  iChunk;
+        TInt    iOffset;
+        TUint8* iAddress;
+        };
+private:
+    TUint iScreenNumber;
+    TInt iRotationOffset;
+    RDisplayChannel::TDisplayRotation iDefaultRotation;
+    TScreenGeometryAttribute iScreenInfo;
+    RArray <TBufferAddress*> iCompositionBuffer;
+    RDisplayChannel iDispChan;
+    TScreenRotation iNewRotation;
+    SymbianStreamType iCurrentSceneStream;
+public:
+    static const TInt32 KImplementationVersion = 0x00000001;
+    };
+
+#endif // OPENWFC_RI_DISPLAYCHANNEL_H