os/graphics/graphicsresourceservices/graphicsresourceadaptation/src/sgimagecollectionimpl.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresourceadaptation/src/sgimagecollectionimpl.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,192 @@
1.4 +// Copyright (c) 2007-2009 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 +//
1.18 +
1.19 +#include "sgimagecollectionimpl.h"
1.20 +#include "sgimageimpl.h"
1.21 +
1.22 +
1.23 +TInt XSgImageCollectionImpl::New(XSgImageCollectionImpl*& aPtr, XSgDriverImpl& aDriverImpl,
1.24 + const TSgImageInfo& aInfo, TInt aImageCount, TBool aIsCached,
1.25 + TInt aStride, TInt aOffsetToFirstBuffer, TInt aOffsetBetweenBuffers,
1.26 + TInt aMetaDataIndex, const XSgImageCollectionImpl* aCollection)
1.27 + {
1.28 + aPtr = static_cast<XSgImageCollectionImpl*>(aDriverImpl.Alloc(sizeof(XSgImageCollectionImpl)));
1.29 + if (!aPtr)
1.30 + {
1.31 + return KErrNoMemory;
1.32 + }
1.33 + new(aPtr) XSgImageCollectionImpl(aDriverImpl);
1.34 + TInt err = aPtr->Construct(aInfo, aImageCount, aIsCached, aStride, aOffsetToFirstBuffer, aOffsetBetweenBuffers, aMetaDataIndex, aCollection);
1.35 + if (err != KErrNone)
1.36 + {
1.37 + aPtr->Delete();
1.38 + aPtr = NULL;
1.39 + }
1.40 + return err;
1.41 + }
1.42 +
1.43 +
1.44 +TInt XSgImageCollectionImpl::Construct(const TSgImageInfo& aInfo, TInt aImageCount, TBool aIsCached,
1.45 + TInt aStride, TInt aOffsetToFirstBuffer, TInt aOffsetBetweenBuffers,
1.46 + TInt aMetaDataIndex, const XSgImageCollectionImpl* aCollection)
1.47 + {
1.48 + TInt maxNumberOfHints;
1.49 + TInt err;
1.50 + err=iDriverImpl.GetSurfaceManagerAttrib(RSurfaceManager::EMaxNumberOfHints,maxNumberOfHints);
1.51 + if (err != KErrNone)
1.52 + {
1.53 + return err;
1.54 + }
1.55 +
1.56 + if (aInfo.iUserAttributeCount > maxNumberOfHints)
1.57 + {
1.58 + return KErrOverflow;
1.59 + }
1.60 + RSurfaceManager::THintPair* hints = new RSurfaceManager::THintPair[aInfo.iUserAttributeCount];
1.61 + if(!hints)
1.62 + {
1.63 + return KErrNoMemory;
1.64 + }
1.65 +
1.66 + RSurfaceManager::TSurfaceCreationAttributesBuf reqs;
1.67 + reqs().iSize = aInfo.iSizeInPixels;
1.68 + reqs().iBuffers = aImageCount;
1.69 + reqs().iPixelFormat = aInfo.iPixelFormat;
1.70 + reqs().iStride = aStride;
1.71 + reqs().iOffsetToFirstBuffer = aOffsetToFirstBuffer;
1.72 + reqs().iAlignment = 4;
1.73 + reqs().iContiguous = EFalse;
1.74 + reqs().iCacheAttrib = aIsCached ? RSurfaceManager::ECached : RSurfaceManager::ENotCached;
1.75 + reqs().iMappable = ETrue;
1.76 + reqs().iOffsetBetweenBuffers = aOffsetBetweenBuffers;
1.77 + reqs().iSurfaceHints = hints;
1.78 + reqs().iHintCount = aInfo.iUserAttributeCount;
1.79 + for (TInt i = 0; i < aInfo.iUserAttributeCount; ++i)
1.80 + {
1.81 + reqs().iSurfaceHints[i].iKey = aInfo.iUserAttributes[i].iUid;
1.82 + reqs().iSurfaceHints[i].iValue = aInfo.iUserAttributes[i].iValue;
1.83 + reqs().iSurfaceHints[i].iMutable = EFalse;
1.84 + }
1.85 + TSurfaceId surfaceId;
1.86 + if (!aCollection)
1.87 + {
1.88 + err = iDriverImpl.CreateSurface(reqs, surfaceId);
1.89 + }
1.90 + else
1.91 + {
1.92 + err = iDriverImpl.CreateSurface(reqs, surfaceId, aCollection->iDataChunk);
1.93 + }
1.94 + delete[] hints;
1.95 + hints = NULL;
1.96 + reqs().iSurfaceHints = NULL;
1.97 + if (err != KErrNone)
1.98 + {
1.99 + return err;
1.100 + }
1.101 + iSurfaceId = surfaceId;
1.102 + iCount = aImageCount;
1.103 + RChunk chunk;
1.104 + if (!aCollection)
1.105 + {
1.106 + err = iDriverImpl.MapSurface(surfaceId, chunk);
1.107 + }
1.108 + else
1.109 + {
1.110 + chunk = aCollection->iDataChunk;
1.111 + err = chunk.Duplicate(RThread()); // Get a process-wide handle
1.112 + }
1.113 + if (err != KErrNone)
1.114 + {
1.115 + return err;
1.116 + }
1.117 + iDataChunk = chunk;
1.118 + iMetaDataIndex = aMetaDataIndex;
1.119 + new(chunk.Base() + aMetaDataIndex * sizeof(TSgImageMetaData)) TSgImageMetaData(aInfo, iDriverImpl.PixelFormatTable(), aIsCached);
1.120 + return KErrNone;
1.121 + }
1.122 +
1.123 +
1.124 +XSgImageCollectionImpl::~XSgImageCollectionImpl()
1.125 + {
1.126 + if (!iSurfaceId.IsNull())
1.127 + {
1.128 + iDriverImpl.CloseSurface(iSurfaceId);
1.129 + iDataChunk.Close();
1.130 + }
1.131 + }
1.132 +
1.133 +
1.134 +void XSgImageCollectionImpl::Close()
1.135 + {
1.136 + XSgDriverImpl& driverImpl = iDriverImpl;
1.137 + driverImpl.Wait();
1.138 + if (DecRefCount() == 0)
1.139 + {
1.140 + driverImpl.DeleteImageCollection(this);
1.141 + }
1.142 + driverImpl.Signal();
1.143 + }
1.144 +
1.145 +
1.146 +const TSurfaceId& XSgImageCollectionImpl::SurfaceId() const
1.147 + {
1.148 + return iSurfaceId;
1.149 + }
1.150 +
1.151 +
1.152 +TInt XSgImageCollectionImpl::GetInfo(TSgImageInfo& aInfo) const
1.153 + {
1.154 + reinterpret_cast<TSgImageMetaData*>(iDataChunk.Base() + iMetaDataIndex * sizeof(TSgImageMetaData))->GetInfo(aInfo);
1.155 + for (TInt i = 0; i < aInfo.iUserAttributeCount; ++i)
1.156 + {
1.157 + RSurfaceManager::THintPair hint;
1.158 + hint.iKey = aInfo.iUserAttributes[i].iUid;
1.159 + TInt err = iDriverImpl.GetSurfaceHint(iSurfaceId, hint);
1.160 + if (err != KErrNone)
1.161 + {
1.162 + return err;
1.163 + }
1.164 + aInfo.iUserAttributes[i].iValue = hint.iValue;
1.165 + }
1.166 + return KErrNone;
1.167 + }
1.168 +
1.169 +
1.170 +TInt XSgImageCollectionImpl::Count() const
1.171 + {
1.172 + return iCount;
1.173 + }
1.174 +
1.175 +
1.176 +TInt XSgImageCollectionImpl::OpenImage(TInt aIndex, MSgDrawableAdapter*& aResult)
1.177 + {
1.178 + if (aIndex < 0 || aIndex >= iCount)
1.179 + {
1.180 + return KErrArgument;
1.181 + }
1.182 + union
1.183 + {
1.184 + TSgDrawableId id;
1.185 + TSgImageId_SurfaceManager id_SurfaceManager;
1.186 + };
1.187 + id_SurfaceManager.iSurfaceId = iSurfaceId;
1.188 + id_SurfaceManager.iBufferIndex = aIndex;
1.189 + id_SurfaceManager.iMetaDataIndex = iMetaDataIndex;
1.190 + id_SurfaceManager.iFlags = 0;
1.191 + iDriverImpl.Wait();
1.192 + TInt err = iDriverImpl.OpenImage(id, KSgDefaultOpenMode, aResult);
1.193 + iDriverImpl.Signal();
1.194 + return err;
1.195 + }