sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Graphics Resource - constants
sl@0: //
sl@0: 
sl@0: #ifndef SGCONST_H
sl@0: #define SGCONST_H
sl@0: 
sl@0: #include <pixelformats.h>
sl@0: #include <sgresource/sgerror.h>
sl@0: 
sl@0: /**
sl@0: The constants defined in TSgUsageBits correspond to the different usages for which 
sl@0: an image can be created.  They can be combined using the bitwise OR operator to 
sl@0: specify more than one usage.
sl@0: */
sl@0: enum TSgUsageBits
sl@0: 	{
sl@0: 	/** Usage as a VGImage with OpenVG via EGLImage.*/
sl@0: 	ESgUsageBitOpenVgImage        = 0x0001,
sl@0: 	/** Usage as a two-dimensional texture with OpenGL ES 1.x via EGLImage.*/
sl@0: 	ESgUsageBitOpenGlesTexture2D  = 0x0002,
sl@0: 	/** Usage as a two-dimensional texture with OpenGL ES 2.x via EGLImage.*/
sl@0: 	ESgUsageBitOpenGles2Texture2D = 0x0004,
sl@0: 	/** Usage as a target of an OpenVG rendering context.*/
sl@0: 	ESgUsageBitOpenVgSurface      = 0x0010,
sl@0: 	/** Usage as a target of an OpenGL ES 1.x rendering context.*/
sl@0: 	ESgUsageBitOpenGlesSurface    = 0x0020,
sl@0: 	/** Usage as a target of an OpenGL ES 2.x rendering context.*/
sl@0: 	ESgUsageBitOpenGles2Surface   = 0x0040,
sl@0: 	/** Usage as a target of an OpenGL rendering context.*/
sl@0: 	ESgUsageBitOpenGlSurface      = 0x0080
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: The subset of pixel formats defined in pixelformats.h which are guaranteed to be 
sl@0: supported by all implementations of the Graphics Resource API.
sl@0: */
sl@0: enum TSgPixelFormat
sl@0: 	{
sl@0: 	ESgPixelFormatARGB_8888_PRE = EUidPixelFormatARGB_8888_PRE,
sl@0: 	ESgPixelFormatARGB_8888     = EUidPixelFormatARGB_8888,
sl@0: 	ESgPixelFormatXRGB_8888     = EUidPixelFormatXRGB_8888,
sl@0: 	ESgPixelFormatRGB_565       = EUidPixelFormatRGB_565,
sl@0: 	ESgPixelFormatA_8           = EUidPixelFormatA_8
sl@0: 	};
sl@0: 
sl@0: #endif // SGCONST_H