1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresourceimplementation/inc/sgdriver.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,127 @@
     1.4 +// Copyright (c) 2008-2009 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 - internal functionality
    1.18 +//
    1.19 +
    1.20 +#ifndef SGDRIVER_H
    1.21 +#define SGDRIVER_H
    1.22 +
    1.23 +#include <sgresource/sgimage.h>
    1.24 +#include <sgresource/sgimage_sw.h>
    1.25 +#include <sgresource/sgdriver_test.h>
    1.26 +#include <sgresource/sgdriver_profiling.h>
    1.27 +#include <pls.h>
    1.28 +#include "sgdevice.h"
    1.29 +
    1.30 +const TUid KSgResourceLibraryUid = {0x102872C5};
    1.31 +
    1.32 +const TInt KSgUsageAll = ESgUsageBitOpenVgImage | ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGles2Texture2D
    1.33 +                       | ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
    1.34 +const TInt KSgUsageAllSurfaceTypes = ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;
    1.35 +
    1.36 +enum TSgResourceImplPanicReason
    1.37 +	{
    1.38 +	ESgPanicResourceImplGeneral = 1,
    1.39 +	ESgPanicBadRefCount = 2,
    1.40 +	ESgPanicBadImagePointer = 3
    1.41 +	};
    1.42 +
    1.43 +void Panic(TSgResourceImplPanicReason aReason);
    1.44 +
    1.45 +NONSHARABLE_CLASS(XSgImage)
    1.46 +	: public MSgImage_Sw
    1.47 +	{
    1.48 +public:
    1.49 +	XSgImage(TSgDrawableId aId, TUint32 aAttribs, const TSgImageMetaData& aMetaData, TAny* aDataAddress, TInt aDataStride);
    1.50 +	~XSgImage();
    1.51 +	TInt Open();
    1.52 +	void Close();
    1.53 +	TInt RefCount() const;
    1.54 +	TSgDrawableId Id() const;
    1.55 +	TUid DrawableType() const;
    1.56 +	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
    1.57 +	void GetInfo(TSgImageInfo& aInfo) const;
    1.58 +	TInt GetAttribute(TUid aUid, TInt& aValue) const;
    1.59 +	static TInt Compare(const XSgImage& aImage1, const XSgImage& aImage2);
    1.60 +	static TInt Compare(const TSgDrawableId* aId, const XSgImage& aImage);
    1.61 +	// From MSgImage_Sw
    1.62 +	TAny* DataAddress() const;
    1.63 +	TInt DataStride() const;
    1.64 +private:
    1.65 +	TInt iRefCount;
    1.66 +	TSgDrawableId iId;
    1.67 +	TSgImageInfo iInfo;
    1.68 +	TAny* iDataAddress;
    1.69 +	TInt iDataStride;
    1.70 +	};
    1.71 +
    1.72 +NONSHARABLE_CLASS(XSgDriver)
    1.73 +	: public MSgDriver_Profiling
    1.74 +#ifdef _DEBUG
    1.75 +	, public MSgDriver_Test
    1.76 +#endif
    1.77 +	{
    1.78 +public:
    1.79 +	XSgDriver(RHeap* aHeap);
    1.80 +	~XSgDriver();
    1.81 +	TInt Construct();
    1.82 +	void Delete();
    1.83 +	TInt CreateImage(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
    1.84 +	TInt CreateImage(const TSgImageInfo& aInfo, const XSgImage* aImageImpl, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
    1.85 +	TInt FindAndOpenImage(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);
    1.86 +	void DeleteImage(XSgImage* aImageImpl);
    1.87 +	TUint32 MatchingEglConfigUsage(TUint32 aUsage) const;
    1.88 +	TInt CheckImageInfo(const TSgImageInfo& aInfo) const;
    1.89 +	TBool CheckImage(const TAny* aImageImpl) const;
    1.90 +	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);
    1.91 +	// From MSgDriver_Profiling
    1.92 +	TInt LocalResourceCount() const;
    1.93 +	TInt GlobalResourceCount() const;
    1.94 +	TInt LocalGraphicsMemoryUsed() const;
    1.95 +	TInt GlobalGraphicsMemoryUsed() const;
    1.96 +#ifdef _DEBUG
    1.97 +	// From MSgDriver_Test
    1.98 +	void AllocMarkStart();
    1.99 +	void AllocMarkEnd(TInt aCount);
   1.100 +	void SetAllocFail(RAllocator::TAllocFail aType, TInt aRate);
   1.101 +#endif
   1.102 +private:
   1.103 +	RHeap* iHeap;
   1.104 +	mutable RMutex iMutex;
   1.105 +	mutable RSgDevice iDevice;
   1.106 +	RPointerArray<XSgImage> iImagesByAddress;
   1.107 +	RPointerArray<XSgImage> iImagesById;
   1.108 +	TBool iHasOpenVg;
   1.109 +	TBool iHasOpenGles;
   1.110 +	TBool iHasOpenGles2;
   1.111 +	};
   1.112 +
   1.113 +NONSHARABLE_CLASS(XSgDriverPls)
   1.114 +	{
   1.115 +public:
   1.116 +	XSgDriverPls();
   1.117 +public:
   1.118 +	TInt iError;
   1.119 +	RMutex iMutex;
   1.120 +	TInt iOpenCount;
   1.121 +	XSgDriver* iDriver;
   1.122 +	};
   1.123 +
   1.124 +#ifdef __WINS__
   1.125 +#define gPls (*Pls<XSgDriverPls>(KSgResourceLibraryUid))
   1.126 +#else
   1.127 +extern XSgDriverPls gPls;
   1.128 +#endif
   1.129 +
   1.130 +#endif // SGDRIVER_H