1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresourceimplementation/inc/sgdeviceimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,77 @@
     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 - logical device driver internal functionality
    1.18 +//
    1.19 +
    1.20 +#ifndef SGDEVICEIMPL_H
    1.21 +#define SGDEVICEIMPL_H
    1.22 +
    1.23 +#include <kernel/kernel.h>
    1.24 +#include <sgresource/sgdevice.h>
    1.25 +
    1.26 +enum TSgDevicePanicReason
    1.27 +	{
    1.28 +	ESgPanicMetaDataSizeTooBig = 1,
    1.29 +	ESgPanicDataSizeNegative = 2
    1.30 +	};
    1.31 +
    1.32 +void Panic(TSgDevicePanicReason aReason);
    1.33 +
    1.34 +class DSgDevice: public DLogicalDevice
    1.35 +	{
    1.36 +public:
    1.37 +	// From DLogicalDevice
    1.38 +	TInt Install();
    1.39 +	void GetCaps(TDes8& aDes) const;
    1.40 +	TInt Create(DLogicalChannelBase*& aChannel);
    1.41 +	};
    1.42 +
    1.43 +class DSgResource;
    1.44 +
    1.45 +class DSgChannel: public DLogicalChannelBase
    1.46 +	{
    1.47 +public:
    1.48 +	~DSgChannel();
    1.49 +	// From DLogicalChannelBase
    1.50 +	TInt DoCreate(TInt aUnit, const TDesC8* aInfo, const TVersion& aVersion);
    1.51 +	TInt Request(TInt aFunction, TAny* a1, TAny* a2);
    1.52 +private:
    1.53 +	TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, TUint64& aId);
    1.54 +	TInt OpenResource(TUint64 aId);
    1.55 +	TInt CloseResource(TUint64 aId);
    1.56 +	TUint32 ResourceAttributes(TUint64 aId) const;
    1.57 +	TInt GetResourceMetaData(TUint64 aId, TDes8& aMetaData) const;
    1.58 +	TAny* ResourceDataAddress(TUint64 aId) const;
    1.59 +	TInt ResourceDataSize(TUint64 aId) const;
    1.60 +	TInt GlobalResourceCount() const;
    1.61 +	TInt LocalGraphicsMemoryUsed() const;
    1.62 +	TInt GlobalGraphicsMemoryUsed() const;
    1.63 +private:
    1.64 +	class TResourceListItem
    1.65 +		{
    1.66 +	public:
    1.67 +		TResourceListItem(DSgResource* aResource, TInt aChunkHandle);
    1.68 +	public:
    1.69 +		DSgResource* iResource;
    1.70 +		TInt iChunkHandle;
    1.71 +		};
    1.72 +private:
    1.73 +	static TInt Compare(const TUint64* aId, const TResourceListItem& aResourceListItem);
    1.74 +	static TInt Compare(const TResourceListItem& aResourceListItem1, const TResourceListItem& aResourceListItem2);
    1.75 +private:
    1.76 +	DMutex* iMutex;
    1.77 +	RArray<TResourceListItem> iResources;
    1.78 +	};
    1.79 +
    1.80 +#endif // SGDEVICEIMPL_H