--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresourceimplementation/inc/sgdriver.h	Fri Apr 16 16:21:04 2010 +0300
@@ -0,0 +1,127 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Graphics Resource - internal functionality
+//
+
+#ifndef SGDRIVER_H
+#define SGDRIVER_H
+
+#include <sgresource/sgimage.h>
+#include <sgresource/sgimage_sw.h>
+#include <sgresource/sgdriver_test.h>
+#include <sgresource/sgdriver_profiling.h>
+#include <pls.h>
+#include "sgdevice.h"
+
+const TUid KSgResourceLibraryUid = {0x102872C5};
+
+const TInt KSgUsageAll = ESgUsageBitOpenVgImage | ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGles2Texture2D
+                       | ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
+const TInt KSgUsageAllSurfaceTypes = ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
+
+enum TSgResourceImplPanicReason
+	{
+	ESgPanicResourceImplGeneral = 1,
+	ESgPanicBadRefCount = 2,
+	ESgPanicBadImagePointer = 3
+	};
+
+void Panic(TSgResourceImplPanicReason aReason);
+
+NONSHARABLE_CLASS(XSgImage)
+	: public MSgImage_Sw
+	{
+public:
+	XSgImage(TSgDrawableId aId, TUint32 aAttribs, const TSgImageMetaData& aMetaData, TAny* aDataAddress, TInt aDataStride);
+	~XSgImage();
+	TInt Open();
+	void Close();
+	TInt RefCount() const;
+	TSgDrawableId Id() const;
+	TUid DrawableType() const;
+	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
+	void GetInfo(TSgImageInfo& aInfo) const;
+	TInt GetAttribute(TUid aUid, TInt& aValue) const;
+	static TInt Compare(const XSgImage& aImage1, const XSgImage& aImage2);
+	static TInt Compare(const TSgDrawableId* aId, const XSgImage& aImage);
+	// From MSgImage_Sw
+	TAny* DataAddress() const;
+	TInt DataStride() const;
+private:
+	TInt iRefCount;
+	TSgDrawableId iId;
+	TSgImageInfo iInfo;
+	TAny* iDataAddress;
+	TInt iDataStride;
+	};
+
+NONSHARABLE_CLASS(XSgDriver)
+	: public MSgDriver_Profiling
+#ifdef _DEBUG
+	, public MSgDriver_Test
+#endif
+	{
+public:
+	XSgDriver(RHeap* aHeap);
+	~XSgDriver();
+	TInt Construct();
+	void Delete();
+	TInt CreateImage(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
+	TInt CreateImage(const TSgImageInfo& aInfo, const XSgImage* aImageImpl, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
+	TInt FindAndOpenImage(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
+	void DeleteImage(XSgImage* aImageImpl);
+	TUint32 MatchingEglConfigUsage(TUint32 aUsage) const;
+	TInt CheckImageInfo(const TSgImageInfo& aInfo) const;
+	TBool CheckImage(const TAny* aImageImpl) const;
+	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
+	// From MSgDriver_Profiling
+	TInt LocalResourceCount() const;
+	TInt GlobalResourceCount() const;
+	TInt LocalGraphicsMemoryUsed() const;
+	TInt GlobalGraphicsMemoryUsed() const;
+#ifdef _DEBUG
+	// From MSgDriver_Test
+	void AllocMarkStart();
+	void AllocMarkEnd(TInt aCount);
+	void SetAllocFail(RAllocator::TAllocFail aType, TInt aRate);
+#endif
+private:
+	RHeap* iHeap;
+	mutable RMutex iMutex;
+	mutable RSgDevice iDevice;
+	RPointerArray<XSgImage> iImagesByAddress;
+	RPointerArray<XSgImage> iImagesById;
+	TBool iHasOpenVg;
+	TBool iHasOpenGles;
+	TBool iHasOpenGles2;
+	};
+
+NONSHARABLE_CLASS(XSgDriverPls)
+	{
+public:
+	XSgDriverPls();
+public:
+	TInt iError;
+	RMutex iMutex;
+	TInt iOpenCount;
+	XSgDriver* iDriver;
+	};
+
+#ifdef __WINS__
+#define gPls (*Pls<XSgDriverPls>(KSgResourceLibraryUid))
+#else
+extern XSgDriverPls gPls;
+#endif
+
+#endif // SGDRIVER_H