sl@0: // Copyright (c) 2008-2009 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: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @publishedPartner
sl@0:  @prototype
sl@0: */
sl@0: 
sl@0: #ifndef SGCONST_H
sl@0: #define SGCONST_H
sl@0: 
sl@0: #include <graphics/sgerror.h>
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @deprecated
sl@0: 
sl@0: Identifier of the primary screen, which always exists.
sl@0: */
sl@0: const TInt KSgScreenIdMain = 0;
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @deprecated
sl@0: 
sl@0: Value that specifies, when passed in as screen identifier, that a resource can be
sl@0: used on all screens.
sl@0: */
sl@0: const TInt KSgScreenIdAny = -1;
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @deprecated
sl@0: 
sl@0: Set of flags that specify how a graphics resource can be used in different rendering
sl@0: pipelines.
sl@0: */
sl@0: enum TSgUsageFlags
sl@0: 	{
sl@0: 	/** The resource cannot be used in any rendering pipeline. */
sl@0: 	ESgUsageNone = 0,
sl@0: 	/** The resource can be bound as source of DirectGDI rendering. */
sl@0: 	ESgUsageDirectGdiSource = 0x0001,
sl@0: 	/** The resource can be bound as target of DirectGDI rendering. */
sl@0: 	ESgUsageDirectGdiTarget = 0x0002,
sl@0: 	/** The resource can be bound as source of the composition engine. */
sl@0: 	ESgUsageCompositionSource = 0x0004,
sl@0: 	/** The resource can be bound as target of the composition engine. */
sl@0: 	ESgUsageCompositionTarget = 0x0008,
sl@0: 	/** The resource can be used directly as screen contents. */
sl@0: 	ESgUsageScreenSource = 0x0010,
sl@0: 	/** The resource can be bound as OpenGL ES 1.X 2D texture. */
sl@0: 	ESgUsageOpenGlesTexture2D = 0x0020,
sl@0: 	/** The resource can be bound as target of OpenGL ES 1.X rendering. */
sl@0: 	ESgUsageOpenGlesTarget = 0x0040,
sl@0: 	/** The resource can be bound as OpenVG image. */
sl@0: 	ESgUsageOpenVgImage = 0x0080,
sl@0: 	/** The resource can be bound as target of OpenVG rendering. */
sl@0: 	ESgUsageOpenVgTarget = 0x0100,
sl@0: 	/** The resource can be used as destination in calls to eglCopyBuffers(). */
sl@0: 	ESgUsageEglCopyBuffersTarget = 0x0200,
sl@0: 	/** The resource can be bound as OpenGL ES 2.0 2D texture. */
sl@0: 	ESgUsageOpenGles2Texture2D = 0x0400,
sl@0: 	/** The resource can be bound as target of OpenGL ES 2.0 rendering. */
sl@0: 	ESgUsageOpenGles2Target = 0x0800,
sl@0: 	/** The resource can be bound as source of window graphics context rendering. @see CWindowGc */
sl@0: 	ESgUsageWindowGcSource = 0x1000
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @deprecated
sl@0: 
sl@0: Components of TSgCpuAccess. This enumeration is not intended to be used directly, but
sl@0: provides components for the definition of TSgCpuAccess.
sl@0: */
sl@0: enum TSgCpuAccessComponents
sl@0: 	{
sl@0: 	/** Value of the bit in TSgCpuAccess that indicates ability to read when set. */
sl@0: 	ESgCpuAccessReadable = 1,
sl@0: 	/** Value of the bit in TSgCpuAccess that indicates ability to write when set. */
sl@0: 	ESgCpuAccessWritable = 2
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @deprecated
sl@0: 
sl@0: Enumeration used to specify how a graphics resource can be accessed by the CPU.
sl@0: */
sl@0: enum TSgCpuAccess
sl@0: 	{
sl@0: 	/** The resource cannot be accessed by the CPU. */
sl@0: 	ESgCpuAccessNone = 0,
sl@0: 	/** The resource can only be read by the CPU. */
sl@0: 	ESgCpuAccessReadOnly = ESgCpuAccessReadable,
sl@0: 	/** The resource can only be written by the CPU. */
sl@0: 	ESgCpuAccessWriteOnly = ESgCpuAccessWritable,
sl@0: 	/** The resource can be both read and written by the CPU. */
sl@0: 	ESgCpuAccessReadWrite = ESgCpuAccessReadable | ESgCpuAccessWritable
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif // SGCONST_H