sl@0: // Copyright (c) 2007-2009 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: //
sl@0: 
sl@0: #include "sgimageimpl.h"
sl@0: #include "sgresourceinternal.h"
sl@0: 
sl@0: 
sl@0: // TSgImageMetaData
sl@0: 
sl@0: TSgImageMetaData::TSgImageMetaData(const TSgImageInfo& aInfo, TArray<TSgPixelFormatTableEntry> aPixelFormatTable, TBool aIsCached)
sl@0: 	: iCreatorProcess(RProcess().Id()),
sl@0: 	  iSizeInPixels(aInfo.iSizeInPixels),
sl@0: 	  iPixelFormat(aInfo.iPixelFormat),
sl@0: 	  iRequestedUsage(aInfo.iUsage),
sl@0: 	  iPotentialUsage(0),
sl@0: 	  iShareable(aInfo.iShareable),
sl@0: 	  iCpuAccess(aInfo.iCpuAccess),
sl@0: 	  iScreenId(aInfo.iScreenId),
sl@0: 	  iIsCached(aIsCached)
sl@0: 	{
sl@0: 	TUint32 usageMask = (aInfo.iUsage & KSgUsageAllSources ? KSgUsageAllSources : 0)
sl@0: 	                    | (aInfo.iUsage & KSgUsageAllTargets ? KSgUsageAllTargets : 0);
sl@0: 	TInt n = aPixelFormatTable.Count();
sl@0: 	for (TInt i = 0; i < n; ++i)
sl@0: 		{
sl@0: 		const TSgPixelFormatTableEntry& entry = aPixelFormatTable[i];
sl@0: 		if (entry.IsMatchIgnoringUsage(aInfo))
sl@0: 			{
sl@0: 			iPotentialUsage |= entry.iUsage & usageMask;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void TSgImageMetaData::GetInfo(TSgImageInfo& aInfo, TBool aGetPotentialUsage) const
sl@0: 	{
sl@0: 	aInfo.iSizeInPixels = iSizeInPixels;
sl@0: 	aInfo.iPixelFormat = iPixelFormat;
sl@0: 	aInfo.iUsage = aGetPotentialUsage ? iPotentialUsage : iRequestedUsage;
sl@0: 	aInfo.iShareable = iShareable;
sl@0: 	aInfo.iCpuAccess = iCpuAccess;
sl@0: 	aInfo.iScreenId = iScreenId;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // XSgImageImplBase
sl@0: 
sl@0: XSgImageImplBase::XSgImageImplBase(const XSgImageImplBase& aImage, TUint32 aFlags)
sl@0: 	: XSgBase(aImage.iDriverImpl)
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(iDriverImpl.IsMutexHeld(), Panic(ESgPanicMutexNotHeld));
sl@0: 	iId = aImage.iId;
sl@0: 	iId.iId[KSgImageIdFlagsIndex] = aFlags;
sl@0: 	aImage.iState->IncRefCount();
sl@0: 	iState = aImage.iState;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: XSgImageImplBase::~XSgImageImplBase()
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(iDriverImpl.IsMutexHeld(), Panic(ESgPanicMutexNotHeld));
sl@0: 	if (iState && iState->DecRefCount() == 0)
sl@0: 		{
sl@0: 		Unmap();
sl@0: 		iState->Delete();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::Compare(const TSgDrawableId* aId, const XSgImageImplBase& aImage)
sl@0: 	{
sl@0: 	return Mem::Compare(reinterpret_cast<const TUint8*>(aId), sizeof(TSgDrawableId),
sl@0: 	                    reinterpret_cast<const TUint8*>(&aImage.Id()), sizeof(TSgDrawableId));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::Compare(const XSgImageImplBase& aImage1, const XSgImageImplBase& aImage2)
sl@0: 	{
sl@0: 	return Compare(&aImage1.Id(), aImage2);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::CompareIgnoringFlags(const TSgDrawableId* aId, const XSgImageImplBase& aImage)
sl@0: 	{
sl@0: 	return Mem::Compare(reinterpret_cast<const TUint8*>(aId), sizeof(TSgDrawableId) - sizeof(TUint32),
sl@0: 	                    reinterpret_cast<const TUint8*>(&aImage.Id()), sizeof(TSgDrawableId) - sizeof(TUint32));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void XSgImageImplBase::Close()
sl@0: 	{
sl@0: 	XSgDriverImpl& driverImpl = iDriverImpl;
sl@0: 	driverImpl.Wait();
sl@0: 	if (DecRefCount() == 0)
sl@0: 		{
sl@0: 		driverImpl.DeleteImage(this);
sl@0: 		}
sl@0: 	driverImpl.Signal();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: const TSgDrawableId& XSgImageImplBase::Id() const
sl@0: 	{
sl@0: 	return iId;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TUid XSgImageImplBase::DrawableType() const
sl@0: 	{
sl@0: 	return KSgImageTypeUid;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr)
sl@0: 	{
sl@0: 	if (aInterfaceUid.iUid == MSgImage_Sw::EInterfaceUid)
sl@0: 		{
sl@0: 		aInterfacePtr = static_cast<MSgImage_Sw*>(this);
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	return KErrExtensionNotSupported;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::GetInfo(TSgImageInfo& aInfo) const
sl@0: 	{
sl@0: 	iState->MetaData().GetInfo(aInfo, iId.iId[KSgImageIdFlagsIndex] & ESgDoNotRestrictUsage);
sl@0: 	return iState->GetUserAttributes(aInfo.iUserAttributes, aInfo.iUserAttributeCount);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::MapReadOnly(const TAny*& aDataAddress, TInt& aDataStride)
sl@0: 	{
sl@0: 	TInt err = iState->BeginDataAccess(ESgCpuAccessReadOnly, ETrue);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	aDataAddress = iState->DataAddress();
sl@0: 	aDataStride = iState->DataStride();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::MapWriteOnly(TAny*& aDataAddress, TInt& aDataStride)
sl@0: 	{
sl@0: 	TInt err = iState->BeginDataAccess(ESgCpuAccessWriteOnly, ETrue);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	aDataAddress = iState->DataAddress();
sl@0: 	aDataStride = iState->DataStride();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::MapReadWrite(TAny*& aDataAddress, TInt& aDataStride)
sl@0: 	{
sl@0: 	TInt err = iState->BeginDataAccess(ESgCpuAccessReadWrite, ETrue);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	aDataAddress = iState->DataAddress();
sl@0: 	aDataStride = iState->DataStride();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::Unmap()
sl@0: 	{
sl@0: 	return iState->EndDataAccess(ETrue);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TAny* XSgImageImplBase::DataAddress() const
sl@0: 	{
sl@0: 	return iState->DataAddress();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::DataStride() const
sl@0: 	{
sl@0: 	return iState->DataStride();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::BeginDataAccess(TSgCpuAccess aCpuAccess)
sl@0: 	{
sl@0: 	return iState->BeginDataAccess(aCpuAccess, EFalse);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::EndDataAccess()
sl@0: 	{
sl@0: 	return iState->EndDataAccess(EFalse);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImplBase::SetData(const TAny* aDataAddress, TInt aDataStride)
sl@0: 	{
sl@0: 	if (aDataAddress)
sl@0: 		{
sl@0: 		TInt err = BeginDataAccess(ESgCpuAccessWriteOnly);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			return err;
sl@0: 			}
sl@0: 		const TSgImageMetaData& metaData = iState->MetaData();
sl@0: 		const TAny* src = aDataAddress;
sl@0: 		TAny* trg = iState->DataAddress();
sl@0: 		TInt dataStride = iState->DataStride();
sl@0: 		TInt minDataStride = SgMinDataStride(metaData.iSizeInPixels.iWidth, metaData.iPixelFormat);
sl@0: 		__ASSERT_DEBUG(minDataStride > 0, Panic(ESgPanicResourceAdapterGeneral));
sl@0: 		for (TInt y = 0; y < metaData.iSizeInPixels.iHeight; ++y)
sl@0: 			{
sl@0: 			Mem::Copy(trg, src, minDataStride);
sl@0: 			src = PtrAdd(src, aDataStride);
sl@0: 			trg = PtrAdd(trg, dataStride);
sl@0: 			}
sl@0: 		EndDataAccess();
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageStateBase::BeginDataAccess(TSgCpuAccess aCpuAccess, TBool aIsUserAccess)
sl@0: 	{
sl@0: 	if (aCpuAccess == ESgCpuAccessNone)
sl@0: 		{
sl@0: 		return KErrArgument;
sl@0: 		}
sl@0: 	const TSgImageMetaData& metaData = MetaData();
sl@0: 	if (aIsUserAccess && (~metaData.iCpuAccess & aCpuAccess))
sl@0: 		{
sl@0: 		return KErrAccessDenied;
sl@0: 		}
sl@0: 	if (aIsUserAccess && metaData.iCreatorProcess != RProcess().Id())
sl@0: 		{
sl@0: 		return KErrPermissionDenied;
sl@0: 		}
sl@0: 	iDriverImpl.Wait();
sl@0: 	if (iCpuAccess != ESgCpuAccessNone)
sl@0: 		{
sl@0: 		iDriverImpl.Signal();
sl@0: 		return KErrInUse;
sl@0: 		}
sl@0: 	iCpuAccess = aCpuAccess;
sl@0: 	iIsUserAccess = aIsUserAccess;
sl@0: 	iDriverImpl.Signal();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageStateBase::EndDataAccess(TBool aIsUserAccess)
sl@0: 	{
sl@0: 	iDriverImpl.Wait();
sl@0: 	if (iCpuAccess == ESgCpuAccessNone || iIsUserAccess != aIsUserAccess)
sl@0: 		{
sl@0: 		iDriverImpl.Signal();
sl@0: 		return KErrGeneral;
sl@0: 		}
sl@0: 	iCpuAccess = ESgCpuAccessNone;
sl@0: 	iIsUserAccess = EFalse;
sl@0: 	iDriverImpl.Signal();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: #ifndef SYMBIAN_GRAPHICS_USE_GPU
sl@0: 
sl@0: // XSgImageImpl_SwLocal
sl@0: 
sl@0: TInt XSgImageImpl_SwLocal::New(XSgImageImpl_SwLocal*& aPtr, XSgDriverImpl& aDriverImpl, const TSgDrawableId& aId,
sl@0: 	                           const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageImpl_SwLocal*>(aDriverImpl.Alloc(sizeof(XSgImageImpl_SwLocal)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageImpl_SwLocal(aDriverImpl, aId);
sl@0: 	TInt err = aPtr->Construct(aInfo, aDataAddress, aDataStride);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		aPtr->Delete();
sl@0: 		aPtr = NULL;
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SwLocal::New(XSgImageImpl_SwLocal*& aPtr, const XSgImageImpl_SwLocal& aImage, TUint32 aFlags)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageImpl_SwLocal*>(aImage.iDriverImpl.Alloc(sizeof(XSgImageImpl_SwLocal)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageImpl_SwLocal(aImage, aFlags);
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SwLocal::Construct(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride)
sl@0: 	{
sl@0: 	XSgImageState_SwLocal* state;
sl@0: 	TInt err = XSgImageState_SwLocal::New(state, iDriverImpl, aInfo);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	state->IncRefCount();
sl@0: 	iState = state;
sl@0: 	return SetData(aDataAddress, aDataStride);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // XSgImageState_SwLocal
sl@0: 
sl@0: TInt XSgImageState_SwLocal::New(XSgImageState_SwLocal*& aPtr, XSgDriverImpl& aDriverImpl, const TSgImageInfo& aInfo)
sl@0: 	{
sl@0: 	TInt dataStride = Align4(SgMinDataStride(aInfo.iSizeInPixels.iWidth, aInfo.iPixelFormat));
sl@0: 	TInt size = _FOFF(XSgImageState_SwLocal, iUserAttributes) + aInfo.iUserAttributeCount * sizeof(TSgUserAttribute) + dataStride * aInfo.iSizeInPixels.iHeight;
sl@0: 	aPtr = static_cast<XSgImageState_SwLocal*>(aDriverImpl.Alloc(size));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageState_SwLocal(aDriverImpl, aInfo, dataStride);
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: XSgImageState_SwLocal::XSgImageState_SwLocal(XSgDriverImpl& aDriverImpl, const TSgImageInfo& aInfo, TInt aDataStride)
sl@0: 	: XSgImageStateBase(aDriverImpl, aDataStride), iMetaData(aInfo, aDriverImpl.PixelFormatTable())
sl@0: 	{
sl@0: 	iUserAttributeCount = aInfo.iUserAttributeCount;
sl@0: 	Mem::Copy(iUserAttributes, aInfo.iUserAttributes, aInfo.iUserAttributeCount * sizeof(TSgUserAttribute));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: const TSgImageMetaData& XSgImageState_SwLocal::MetaData() const
sl@0: 	{
sl@0: 	return iMetaData;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SwLocal::GetUserAttributes(TSgUserAttribute* aUserAttributes, TInt aUserAttributeCount) const
sl@0: 	{
sl@0: 	for (TInt i = 0; i < aUserAttributeCount; ++i)
sl@0: 		{
sl@0: 		TBool found = EFalse;
sl@0: 		for (TInt j = 0; j < iUserAttributeCount; ++j)
sl@0: 			{
sl@0: 			if (aUserAttributes[i].iUid == iUserAttributes[j].iUid)
sl@0: 				{
sl@0: 				aUserAttributes[i].iValue = iUserAttributes[j].iValue;
sl@0: 				found = ETrue;
sl@0: 				break;
sl@0: 				}
sl@0: 			}
sl@0: 		if (!found)
sl@0: 			{
sl@0: 			return KErrNotFound;
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TAny* XSgImageState_SwLocal::DataAddress() const
sl@0: 	{
sl@0: 	//__ASSERT_DEBUG(iCpuAccess != ESgCpuAccessNone, ::Panic(ESgPanicNoCpuAccess));
sl@0: 	return (TAny*)PtrAdd(iUserAttributes, iUserAttributeCount * sizeof(TSgUserAttribute));
sl@0: 	}
sl@0: 
sl@0: #endif
sl@0: 
sl@0: 
sl@0: // XSgImageImpl_SurfaceManager
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::New(XSgImageImpl_SurfaceManager*& aPtr, XSgDriverImpl& aDriverImpl,
sl@0:                                       const TSgImageInfo& aInfo, TBool aIsCached, const TAny* aDataAddress, TInt aDataStride)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageImpl_SurfaceManager*>(aDriverImpl.Alloc(sizeof(XSgImageImpl_SurfaceManager)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageImpl_SurfaceManager(aDriverImpl);
sl@0: 	TInt err = aPtr->Construct(aInfo, aIsCached, aDataAddress, aDataStride);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		aPtr->Delete();
sl@0: 		aPtr = NULL;
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::New(XSgImageImpl_SurfaceManager*& aPtr, XSgDriverImpl& aDriverImpl, const TSgDrawableId& aId)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageImpl_SurfaceManager*>(aDriverImpl.Alloc(sizeof(XSgImageImpl_SurfaceManager)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageImpl_SurfaceManager(aDriverImpl, aId);
sl@0: 	TInt err = aPtr->Construct(aId);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		aPtr->Delete();
sl@0: 		aPtr = NULL;
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::New(XSgImageImpl_SurfaceManager*& aPtr, const XSgImageImpl_SurfaceManager& aImage, TUint32 aFlags)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageImpl_SurfaceManager*>(aImage.iDriverImpl.Alloc(sizeof(XSgImageImpl_SurfaceManager)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageImpl_SurfaceManager(aImage, aFlags);
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::Construct(const TSgImageInfo& aInfo, TBool aIsCached, const TAny* aDataAddress, TInt aDataStride)
sl@0: 	{
sl@0: 	XSgImageState_SurfaceManager* state;
sl@0: 	TInt err = XSgImageState_SurfaceManager::New(state, iDriverImpl, aInfo, aIsCached);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	Mem::Copy(&iId, &state->SurfaceId(), sizeof(TSurfaceId));
sl@0: 	state->IncRefCount();
sl@0: 	iState = state;
sl@0: 	return SetData(aDataAddress, aDataStride);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::Construct(const TSgDrawableId& aId)
sl@0: 	{
sl@0: 	XSgImageState_SurfaceManager* state;
sl@0: 	TInt err = XSgImageState_SurfaceManager::New(state, iDriverImpl, aId);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	state->IncRefCount();
sl@0: 	iState = state;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr)
sl@0: 	{
sl@0: 	if (aInterfaceUid.iUid == MSgImage_Chunk::EInterfaceUid)
sl@0: 		{
sl@0: 		aInterfacePtr = static_cast<MSgImage_Chunk*>(this);
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	return XSgImageImplBase::GetInterface(aInterfaceUid, aInterfacePtr);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: const RChunk& XSgImageImpl_SurfaceManager::DataChunk() const
sl@0: 	{
sl@0: 	return static_cast<XSgImageState_SurfaceManager*>(iState)->DataChunk();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::DataOffset() const
sl@0: 	{
sl@0: 	return static_cast<XSgImageState_SurfaceManager*>(iState)->DataOffset();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageImpl_SurfaceManager::DataStride() const
sl@0: 	{
sl@0: 	return iState->DataStride();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // XSgImageState_SurfaceManager
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::New(XSgImageState_SurfaceManager*& aPtr, XSgDriverImpl& aDriverImpl, const TSgImageInfo& aInfo, TBool aIsCached)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageState_SurfaceManager*>(aDriverImpl.Alloc(sizeof(XSgImageState_SurfaceManager)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageState_SurfaceManager(aDriverImpl);
sl@0: 	TInt err = aPtr->Construct(aInfo, aIsCached);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		aPtr->Delete();
sl@0: 		aPtr = NULL;
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::New(XSgImageState_SurfaceManager*& aPtr, XSgDriverImpl& aDriverImpl, const TSgDrawableId& aId)
sl@0: 	{
sl@0: 	aPtr = static_cast<XSgImageState_SurfaceManager*>(aDriverImpl.Alloc(sizeof(XSgImageState_SurfaceManager)));
sl@0: 	if (!aPtr)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	new(aPtr) XSgImageState_SurfaceManager(aDriverImpl);
sl@0: 	TInt err = aPtr->Construct(aId);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		aPtr->Delete();
sl@0: 		aPtr = NULL;
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::Construct(const TSgImageInfo& aInfo, TBool aIsCached)
sl@0: 	{
sl@0: 	TInt maxNumberOfHints;
sl@0: 	TInt err;
sl@0: 	err=iDriverImpl.GetSurfaceManagerAttrib(RSurfaceManager::EMaxNumberOfHints,maxNumberOfHints);
sl@0: 	if (err!=KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	
sl@0: 	if (aInfo.iUserAttributeCount > maxNumberOfHints)
sl@0: 		{
sl@0: 		return KErrOverflow;
sl@0: 		}
sl@0: 	RSurfaceManager::THintPair* hints = new RSurfaceManager::THintPair[aInfo.iUserAttributeCount];
sl@0: 	if(!hints)
sl@0: 		{
sl@0: 		return KErrNoMemory;
sl@0: 		}
sl@0: 	RSurfaceManager::TSurfaceCreationAttributesBuf reqs;
sl@0: 	reqs().iSurfaceHints = hints;
sl@0: 	reqs().iHintCount = aInfo.iUserAttributeCount;
sl@0: 	reqs().iSize = aInfo.iSizeInPixels;
sl@0: 	reqs().iBuffers = 1;
sl@0: 	reqs().iPixelFormat = aInfo.iPixelFormat;
sl@0: 	reqs().iStride = SgAlignedDataStride(aInfo.iSizeInPixels.iWidth, aInfo.iPixelFormat);
sl@0: 	reqs().iOffsetToFirstBuffer = SgOffsetToFirstBuffer(sizeof(TSgImageMetaData));
sl@0: 	reqs().iAlignment = 4;
sl@0: 	reqs().iContiguous = EFalse;
sl@0: 	reqs().iCacheAttrib = aIsCached ? RSurfaceManager::ECached : RSurfaceManager::ENotCached;
sl@0: 	reqs().iOffsetBetweenBuffers = SgOffsetBetweenBuffers(reqs().iStride, aInfo.iSizeInPixels.iHeight);
sl@0: 	reqs().iMappable = ETrue;
sl@0: 	for (TInt i = 0; i < aInfo.iUserAttributeCount; ++i)
sl@0: 		{
sl@0: 		reqs().iSurfaceHints[i].iKey = aInfo.iUserAttributes[i].iUid;
sl@0: 		reqs().iSurfaceHints[i].iValue = aInfo.iUserAttributes[i].iValue;
sl@0: 		reqs().iSurfaceHints[i].iMutable = EFalse;
sl@0: 		}
sl@0: 	TSurfaceId surfaceId;
sl@0: 	err = iDriverImpl.CreateSurface(reqs, surfaceId);
sl@0: 	delete[] hints;
sl@0: 	hints = NULL;
sl@0: 	reqs().iSurfaceHints = NULL;
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	iSurfaceId = surfaceId;
sl@0: 	RSurfaceManager::TInfoBuf info;
sl@0: 	err = iDriverImpl.SurfaceInfo(surfaceId, info);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	err=iDriverImpl.GetBufferOffset(surfaceId,0,iDataOffset);	
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}	
sl@0: 	iDataStride = info().iStride;
sl@0: 	RChunk chunk;
sl@0: 	err = iDriverImpl.MapSurface(surfaceId, chunk);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	iDataChunk = chunk;
sl@0: 	new(chunk.Base()) TSgImageMetaData(aInfo, iDriverImpl.PixelFormatTable(), aIsCached);
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::Construct(const TSgDrawableId& aId)
sl@0: 	{
sl@0: 	const TSgImageId_SurfaceManager& id_SurfaceManager = reinterpret_cast<const TSgImageId_SurfaceManager&>(aId);
sl@0: 	if (id_SurfaceManager.iBufferIndex < 0)
sl@0: 		{
sl@0: 		return KErrNotFound;
sl@0: 		}
sl@0: 	if (id_SurfaceManager.iMetaDataIndex < 0)
sl@0: 		{
sl@0: 		return KErrNotFound;
sl@0: 		}
sl@0: 	TInt err = iDriverImpl.OpenSurface(id_SurfaceManager.iSurfaceId);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	iSurfaceId = id_SurfaceManager.iSurfaceId;
sl@0: 	RSurfaceManager::TInfoBuf info;
sl@0: 	err = iDriverImpl.SurfaceInfo(id_SurfaceManager.iSurfaceId, info);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	iDataStride = info().iStride;
sl@0: 	if (id_SurfaceManager.iBufferIndex >= info().iBuffers)
sl@0: 		{
sl@0: 		return KErrNotFound;
sl@0: 		}
sl@0: 	iBufferIndex = id_SurfaceManager.iBufferIndex;
sl@0: 	TInt offsetToFirstBuffer;
sl@0: 	err=iDriverImpl.GetBufferOffset(id_SurfaceManager.iSurfaceId,0,offsetToFirstBuffer);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}	
sl@0: 	if ((id_SurfaceManager.iMetaDataIndex + 1) * sizeof(TSgImageMetaData) > offsetToFirstBuffer)
sl@0: 		{
sl@0: 		return KErrNotFound;
sl@0: 		}
sl@0: 	iMetaDataOffset = id_SurfaceManager.iMetaDataIndex * sizeof(TSgImageMetaData);
sl@0: 	RChunk chunk;
sl@0: 	err = iDriverImpl.MapSurface(id_SurfaceManager.iSurfaceId, chunk);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	iDataChunk = chunk;
sl@0: 	err=iDriverImpl.GetBufferOffset(id_SurfaceManager.iSurfaceId,id_SurfaceManager.iBufferIndex,iDataOffset);	
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: XSgImageState_SurfaceManager::~XSgImageState_SurfaceManager()
sl@0: 	{
sl@0: 	if (!iSurfaceId.IsNull())
sl@0: 		{
sl@0: 		iDriverImpl.CloseSurface(iSurfaceId);
sl@0: 		iDataChunk.Close();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: const TSgImageMetaData& XSgImageState_SurfaceManager::MetaData() const
sl@0: 	{
sl@0: 	return *reinterpret_cast<TSgImageMetaData*>(iDataChunk.Base() + iMetaDataOffset);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::GetUserAttributes(TSgUserAttribute* aUserAttributes, TInt aUserAttributeCount) const
sl@0: 	{
sl@0: 	for (TInt i = 0; i < aUserAttributeCount; ++i)
sl@0: 		{
sl@0: 		RSurfaceManager::THintPair hint;
sl@0: 		hint.iKey = aUserAttributes[i].iUid;
sl@0: 		TInt err = iDriverImpl.GetSurfaceHint(iSurfaceId, hint);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			return err;
sl@0: 			}
sl@0: 		aUserAttributes[i].iValue = hint.iValue;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TAny* XSgImageState_SurfaceManager::DataAddress() const
sl@0: 	{
sl@0: #ifdef SYMBIAN_GRAPHICS_AUTOFLUSH_CACHE
sl@0: 	__ASSERT_DEBUG(iCpuAccess != ESgCpuAccessNone, ::Panic(ESgPanicNoCpuAccess));
sl@0: #endif
sl@0: 	return iDataChunk.Base() + iDataOffset;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: #ifdef SYMBIAN_GRAPHICS_AUTOFLUSH_CACHE
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::BeginDataAccess(TSgCpuAccess aCpuAccess, TBool aIsUserAccess)
sl@0: 	{
sl@0: 	TInt err = XSgImageStateBase::BeginDataAccess(aCpuAccess, aIsUserAccess);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	if (aCpuAccess != ESgCpuAccessWriteOnly && MetaData().iIsCached && (MetaData().iPotentialUsage & KSgUsageAllTargets))
sl@0: 		{
sl@0: 		// Cache::SyncMemoryAfterDmaRead() cannot fail so the following should not fail if the arguments are correct
sl@0: 		err = iDriverImpl.SynchronizeCache(iSurfaceId, iBufferIndex, RSurfaceManager::ESyncAfterNonCPUWrite);
sl@0: 		__ASSERT_DEBUG(err == KErrNone, Panic(ESgPanicResourceAdapterGeneral));
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt XSgImageState_SurfaceManager::EndDataAccess(TBool aIsUserAccess)
sl@0: 	{
sl@0: 	TSgCpuAccess prevCpuAccess = iCpuAccess;
sl@0: 	TInt err = XSgImageStateBase::EndDataAccess(aIsUserAccess);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	if (prevCpuAccess != ESgCpuAccessReadOnly && MetaData().iIsCached)
sl@0: 		{
sl@0: 		// Cache::SyncMemoryBeforeDmaWrite() cannot fail so the following should not fail if the arguments are correct
sl@0: 		err = iDriverImpl.SynchronizeCache(iSurfaceId, iBufferIndex, RSurfaceManager::ESyncBeforeNonCPURead);
sl@0: 		__ASSERT_DEBUG(err == KErrNone, Panic(ESgPanicResourceAdapterGeneral));
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: #endif