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: // Graphics Resource - internal functionality
sl@0: //
sl@0: 
sl@0: #ifndef SGDRIVER_H
sl@0: #define SGDRIVER_H
sl@0: 
sl@0: #include <sgresource/sgimage.h>
sl@0: #include <sgresource/sgimage_sw.h>
sl@0: #include <sgresource/sgdriver_test.h>
sl@0: #include <sgresource/sgdriver_profiling.h>
sl@0: #include <pls.h>
sl@0: #include "sgdevice.h"
sl@0: 
sl@0: const TUid KSgResourceLibraryUid = {0x102872C5};
sl@0: 
sl@0: const TInt KSgUsageAll = ESgUsageBitOpenVgImage | ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGles2Texture2D
sl@0:                        | ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
sl@0: const TInt KSgUsageAllSurfaceTypes = ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
sl@0: 
sl@0: enum TSgResourceImplPanicReason
sl@0: 	{
sl@0: 	ESgPanicResourceImplGeneral = 1,
sl@0: 	ESgPanicBadRefCount = 2,
sl@0: 	ESgPanicBadImagePointer = 3
sl@0: 	};
sl@0: 
sl@0: void Panic(TSgResourceImplPanicReason aReason);
sl@0: 
sl@0: NONSHARABLE_CLASS(XSgImage)
sl@0: 	: public MSgImage_Sw
sl@0: 	{
sl@0: public:
sl@0: 	XSgImage(TSgDrawableId aId, TUint32 aAttribs, const TSgImageMetaData& aMetaData, TAny* aDataAddress, TInt aDataStride);
sl@0: 	~XSgImage();
sl@0: 	TInt Open();
sl@0: 	void Close();
sl@0: 	TInt RefCount() const;
sl@0: 	TSgDrawableId Id() const;
sl@0: 	TUid DrawableType() const;
sl@0: 	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
sl@0: 	void GetInfo(TSgImageInfo& aInfo) const;
sl@0: 	TInt GetAttribute(TUid aUid, TInt& aValue) const;
sl@0: 	static TInt Compare(const XSgImage& aImage1, const XSgImage& aImage2);
sl@0: 	static TInt Compare(const TSgDrawableId* aId, const XSgImage& aImage);
sl@0: 	// From MSgImage_Sw
sl@0: 	TAny* DataAddress() const;
sl@0: 	TInt DataStride() const;
sl@0: private:
sl@0: 	TInt iRefCount;
sl@0: 	TSgDrawableId iId;
sl@0: 	TSgImageInfo iInfo;
sl@0: 	TAny* iDataAddress;
sl@0: 	TInt iDataStride;
sl@0: 	};
sl@0: 
sl@0: NONSHARABLE_CLASS(XSgDriver)
sl@0: 	: public MSgDriver_Profiling
sl@0: #ifdef _DEBUG
sl@0: 	, public MSgDriver_Test
sl@0: #endif
sl@0: 	{
sl@0: public:
sl@0: 	XSgDriver(RHeap* aHeap);
sl@0: 	~XSgDriver();
sl@0: 	TInt Construct();
sl@0: 	void Delete();
sl@0: 	TInt CreateImage(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
sl@0: 	TInt CreateImage(const TSgImageInfo& aInfo, const XSgImage* aImageImpl, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
sl@0: 	TInt FindAndOpenImage(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
sl@0: 	void DeleteImage(XSgImage* aImageImpl);
sl@0: 	TUint32 MatchingEglConfigUsage(TUint32 aUsage) const;
sl@0: 	TInt CheckImageInfo(const TSgImageInfo& aInfo) const;
sl@0: 	TBool CheckImage(const TAny* aImageImpl) const;
sl@0: 	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
sl@0: 	// From MSgDriver_Profiling
sl@0: 	TInt LocalResourceCount() const;
sl@0: 	TInt GlobalResourceCount() const;
sl@0: 	TInt LocalGraphicsMemoryUsed() const;
sl@0: 	TInt GlobalGraphicsMemoryUsed() const;
sl@0: #ifdef _DEBUG
sl@0: 	// From MSgDriver_Test
sl@0: 	void AllocMarkStart();
sl@0: 	void AllocMarkEnd(TInt aCount);
sl@0: 	void SetAllocFail(RAllocator::TAllocFail aType, TInt aRate);
sl@0: #endif
sl@0: private:
sl@0: 	RHeap* iHeap;
sl@0: 	mutable RMutex iMutex;
sl@0: 	mutable RSgDevice iDevice;
sl@0: 	RPointerArray<XSgImage> iImagesByAddress;
sl@0: 	RPointerArray<XSgImage> iImagesById;
sl@0: 	TBool iHasOpenVg;
sl@0: 	TBool iHasOpenGles;
sl@0: 	TBool iHasOpenGles2;
sl@0: 	};
sl@0: 
sl@0: NONSHARABLE_CLASS(XSgDriverPls)
sl@0: 	{
sl@0: public:
sl@0: 	XSgDriverPls();
sl@0: public:
sl@0: 	TInt iError;
sl@0: 	RMutex iMutex;
sl@0: 	TInt iOpenCount;
sl@0: 	XSgDriver* iDriver;
sl@0: 	};
sl@0: 
sl@0: #ifdef __WINS__
sl@0: #define gPls (*Pls<XSgDriverPls>(KSgResourceLibraryUid))
sl@0: #else
sl@0: extern XSgDriverPls gPls;
sl@0: #endif
sl@0: 
sl@0: #endif // SGDRIVER_H