1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresourceimplementation/inc/sgextensionimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,62 @@
     1.4 +// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Graphics Resource - kernel extension internal functionality
    1.18 +//
    1.19 +
    1.20 +#ifndef SGEXTENSIONIMPL_H
    1.21 +#define SGEXTENSIONIMPL_H
    1.22 +
    1.23 +#include <sgresource/sgextension.h>
    1.24 +
    1.25 +NONSHARABLE_CLASS(DSgExtensionImpl): public DBase
    1.26 +	{
    1.27 +public:
    1.28 +	TInt Construct();
    1.29 +	TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, DSgResource*& aResource);
    1.30 +	TInt FindAndOpenResource(TUint64 aId, DSgResource*& aResource);
    1.31 +	void DeleteResource(DSgResource* aResource);
    1.32 +	TInt GlobalResourceCount() const;
    1.33 +	TInt GlobalGraphicsMemoryUsed() const;
    1.34 +private:
    1.35 +	DMutex* iMutex;
    1.36 +	TUint64 iLastResourceId;
    1.37 +	RPointerArray<DSgResource> iResources;
    1.38 +	};
    1.39 +
    1.40 +NONSHARABLE_CLASS(DSgResourceImpl): public DSgResource
    1.41 +	{
    1.42 +public:
    1.43 +	DSgResourceImpl(DSgExtensionImpl& aExtensionImpl, TUint64 aId, TUint32 aAttribs,
    1.44 +	                const TDesC8& aMetaData, DChunk* aDataChunk, TInt aDataSize);
    1.45 +	// From DSgResource
    1.46 +	TInt Open();
    1.47 +	void Close();
    1.48 +	TUint64 Id() const;
    1.49 +	TUint32 Attributes() const;
    1.50 +	TInt GetMetaData(TDes8& aMetaData) const;
    1.51 +	DChunk* DataChunk() const;
    1.52 +	TInt DataSize() const;
    1.53 +private:
    1.54 +	~DSgResourceImpl();
    1.55 +private:
    1.56 +	DSgExtensionImpl& iExtensionImpl;
    1.57 +	TInt iRefCount;
    1.58 +	TUint64 iId;
    1.59 +	TUint32 iAttributes;
    1.60 +	TInt iMetaDataSize;
    1.61 +	DChunk* iDataChunk;
    1.62 +	TInt iDataSize;
    1.63 +	};
    1.64 +
    1.65 +#endif // SGEXTENSIONIMPL_H