1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Graphics Resource - internal functionality

    15 //

    16 

    17 #ifndef SGDRIVER_H

    18 #define SGDRIVER_H

    19 

    20 #include <sgresource/sgimage.h>

    21 #include <sgresource/sgimage_sw.h>

    22 #include <sgresource/sgdriver_test.h>

    23 #include <sgresource/sgdriver_profiling.h>

    24 #include <pls.h>

    25 #include "sgdevice.h"

    26 

    27 const TUid KSgResourceLibraryUid = {0x102872C5};

    28 

    29 const TInt KSgUsageAll = ESgUsageBitOpenVgImage | ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGles2Texture2D

    30                        | ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;

    31 const TInt KSgUsageAllSurfaceTypes = ESgUsageBitOpenVgSurface | ESgUsageBitOpenGlesSurface | ESgUsageBitOpenGles2Surface;

    32 

    33 enum TSgResourceImplPanicReason

    34 	{

    35 	ESgPanicResourceImplGeneral = 1,

    36 	ESgPanicBadRefCount = 2,

    37 	ESgPanicBadImagePointer = 3

    38 	};

    39 

    40 void Panic(TSgResourceImplPanicReason aReason);

    41 

    42 NONSHARABLE_CLASS(XSgImage)

    43 	: public MSgImage_Sw

    44 	{

    45 public:

    46 	XSgImage(TSgDrawableId aId, TUint32 aAttribs, const TSgImageMetaData& aMetaData, TAny* aDataAddress, TInt aDataStride);

    47 	~XSgImage();

    48 	TInt Open();

    49 	void Close();

    50 	TInt RefCount() const;

    51 	TSgDrawableId Id() const;

    52 	TUid DrawableType() const;

    53 	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);

    54 	void GetInfo(TSgImageInfo& aInfo) const;

    55 	TInt GetAttribute(TUid aUid, TInt& aValue) const;

    56 	static TInt Compare(const XSgImage& aImage1, const XSgImage& aImage2);

    57 	static TInt Compare(const TSgDrawableId* aId, const XSgImage& aImage);

    58 	// From MSgImage_Sw

    59 	TAny* DataAddress() const;

    60 	TInt DataStride() const;

    61 private:

    62 	TInt iRefCount;

    63 	TSgDrawableId iId;

    64 	TSgImageInfo iInfo;

    65 	TAny* iDataAddress;

    66 	TInt iDataStride;

    67 	};

    68 

    69 NONSHARABLE_CLASS(XSgDriver)

    70 	: public MSgDriver_Profiling

    71 #ifdef _DEBUG

    72 	, public MSgDriver_Test

    73 #endif

    74 	{

    75 public:

    76 	XSgDriver(RHeap* aHeap);

    77 	~XSgDriver();

    78 	TInt Construct();

    79 	void Delete();

    80 	TInt CreateImage(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);

    81 	TInt CreateImage(const TSgImageInfo& aInfo, const XSgImage* aImageImpl, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);

    82 	TInt FindAndOpenImage(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes, TAny*& aResult);

    83 	void DeleteImage(XSgImage* aImageImpl);

    84 	TUint32 MatchingEglConfigUsage(TUint32 aUsage) const;

    85 	TInt CheckImageInfo(const TSgImageInfo& aInfo) const;

    86 	TBool CheckImage(const TAny* aImageImpl) const;

    87 	TInt GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr);

    88 	// From MSgDriver_Profiling

    89 	TInt LocalResourceCount() const;

    90 	TInt GlobalResourceCount() const;

    91 	TInt LocalGraphicsMemoryUsed() const;

    92 	TInt GlobalGraphicsMemoryUsed() const;

    93 #ifdef _DEBUG

    94 	// From MSgDriver_Test

    95 	void AllocMarkStart();

    96 	void AllocMarkEnd(TInt aCount);

    97 	void SetAllocFail(RAllocator::TAllocFail aType, TInt aRate);

    98 #endif

    99 private:

   100 	RHeap* iHeap;

   101 	mutable RMutex iMutex;

   102 	mutable RSgDevice iDevice;

   103 	RPointerArray<XSgImage> iImagesByAddress;

   104 	RPointerArray<XSgImage> iImagesById;

   105 	TBool iHasOpenVg;

   106 	TBool iHasOpenGles;

   107 	TBool iHasOpenGles2;

   108 	};

   109 

   110 NONSHARABLE_CLASS(XSgDriverPls)

   111 	{

   112 public:

   113 	XSgDriverPls();

   114 public:

   115 	TInt iError;

   116 	RMutex iMutex;

   117 	TInt iOpenCount;

   118 	XSgDriver* iDriver;

   119 	};

   120 

   121 #ifdef __WINS__

   122 #define gPls (*Pls<XSgDriverPls>(KSgResourceLibraryUid))

   123 #else

   124 extern XSgDriverPls gPls;

   125 #endif

   126 

   127 #endif // SGDRIVER_H