diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsresourceservices/graphicsresourceinterface/inc/sgconst.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/graphicsresourceservices/graphicsresourceinterface/inc/sgconst.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,59 @@
+// Copyright (c) 2007-2009 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"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Graphics Resource - constants
+//
+
+#ifndef SGCONST_H
+#define SGCONST_H
+
+#include <pixelformats.h>
+#include <sgresource/sgerror.h>
+
+/**
+The constants defined in TSgUsageBits correspond to the different usages for which 
+an image can be created.  They can be combined using the bitwise OR operator to 
+specify more than one usage.
+*/
+enum TSgUsageBits
+	{
+	/** Usage as a VGImage with OpenVG via EGLImage.*/
+	ESgUsageBitOpenVgImage        = 0x0001,
+	/** Usage as a two-dimensional texture with OpenGL ES 1.x via EGLImage.*/
+	ESgUsageBitOpenGlesTexture2D  = 0x0002,
+	/** Usage as a two-dimensional texture with OpenGL ES 2.x via EGLImage.*/
+	ESgUsageBitOpenGles2Texture2D = 0x0004,
+	/** Usage as a target of an OpenVG rendering context.*/
+	ESgUsageBitOpenVgSurface      = 0x0010,
+	/** Usage as a target of an OpenGL ES 1.x rendering context.*/
+	ESgUsageBitOpenGlesSurface    = 0x0020,
+	/** Usage as a target of an OpenGL ES 2.x rendering context.*/
+	ESgUsageBitOpenGles2Surface   = 0x0040,
+	/** Usage as a target of an OpenGL rendering context.*/
+	ESgUsageBitOpenGlSurface      = 0x0080
+	};
+
+/**
+The subset of pixel formats defined in pixelformats.h which are guaranteed to be 
+supported by all implementations of the Graphics Resource API.
+*/
+enum TSgPixelFormat
+	{
+	ESgPixelFormatARGB_8888_PRE = EUidPixelFormatARGB_8888_PRE,
+	ESgPixelFormatARGB_8888     = EUidPixelFormatARGB_8888,
+	ESgPixelFormatXRGB_8888     = EUidPixelFormatXRGB_8888,
+	ESgPixelFormatRGB_565       = EUidPixelFormatRGB_565,
+	ESgPixelFormatA_8           = EUidPixelFormatA_8
+	};
+
+#endif // SGCONST_H