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: // Graphics Resource - image implementation
sl@0: //
sl@0: 
sl@0: #include "sgdriver.h"
sl@0: 
sl@0: EXPORT_C TInt RSgImage::Create(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes)
sl@0: 	{
sl@0: 	if (iImpl)
sl@0: 		{
sl@0: 		return KErrInUse;
sl@0: 		}
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));
sl@0: 	return gPls.iDriver->CreateImage(aInfo, aDataAddress, aDataStride, aAttributes, iImpl);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RSgImage::Create(const TSgImageInfo& aInfo, const RSgImage& aImage, const TSgAttributeArrayBase* aAttributes)
sl@0: 	{
sl@0: 	if (iImpl)
sl@0: 		{
sl@0: 		return KErrInUse;
sl@0: 		}
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));
sl@0: 	return gPls.iDriver->CreateImage(aInfo, static_cast<XSgImage*>(aImage.iImpl), aAttributes, iImpl);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RSgImage::GetInfo(TSgImageInfo& aInfo) const
sl@0: 	{
sl@0: 	if (!iImpl)
sl@0: 		{
sl@0: 		return KErrBadHandle;
sl@0: 		}
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));
sl@0: 	static_cast<XSgImage*>(iImpl)->GetInfo(aInfo);
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RSgImage::GetAttribute(TUid aUid, TInt& aValue) const
sl@0: 	{
sl@0: 	if (!iImpl)
sl@0: 		{
sl@0: 		return KErrBadHandle;
sl@0: 		}
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));
sl@0: 	__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));
sl@0: 	return static_cast<XSgImage*>(iImpl)->GetAttribute(aUid, aValue);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RSgImage::GetPixelFormats(TUint32 aUsage, RArray<TInt>& aPixelFormats, const TSgAttributeArrayBase* aAttributes)
sl@0: 	{
sl@0: 	static const TInt KSupportedPixelFormats[] =
sl@0: 		{
sl@0: 		ESgPixelFormatA_8,
sl@0: 		ESgPixelFormatRGB_565,
sl@0: 		ESgPixelFormatXRGB_8888,
sl@0: 		ESgPixelFormatARGB_8888,
sl@0: 		ESgPixelFormatARGB_8888_PRE
sl@0: 		};
sl@0: 	static const TInt KNumSupportedPixelFormats = sizeof(KSupportedPixelFormats) / sizeof(TInt);
sl@0: 	if (aUsage == 0 || aPixelFormats.Count() != 0)
sl@0: 		{
sl@0: 		return KErrArgument;
sl@0: 		}
sl@0: 	if (aAttributes)
sl@0: 		{
sl@0: 		return KErrNotSupported;
sl@0: 		}
sl@0: 	if (aUsage & ~KSgUsageAll)
sl@0: 		{
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	_LIT(KLibOpenVg, "libOpenVG.dll");
sl@0: 	_LIT(KLibOpenGles, "libGLESv1_CM.dll");
sl@0: 	_LIT(KLibOpenGles2, "libGLESv2.dll");
sl@0: 	RLibrary lib;
sl@0: 	if (aUsage & (ESgUsageBitOpenVgImage | ESgUsageBitOpenVgSurface))
sl@0: 		{
sl@0: 		if (lib.Load(KLibOpenVg) != KErrNone)
sl@0: 			{
sl@0: 			return KErrNone;
sl@0: 			}
sl@0: 		lib.Close();
sl@0: 		}
sl@0: 	if (aUsage & (ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGlesSurface))
sl@0: 		{
sl@0: 		if (lib.Load(KLibOpenGles) != KErrNone)
sl@0: 			{
sl@0: 			return KErrNone;
sl@0: 			}
sl@0: 		lib.Close();
sl@0: 		}
sl@0: 	if (aUsage & (ESgUsageBitOpenGles2Texture2D | ESgUsageBitOpenGles2Surface))
sl@0: 		{
sl@0: 		if (lib.Load(KLibOpenGles2) != KErrNone)
sl@0: 			{
sl@0: 			return KErrNone;
sl@0: 			}
sl@0: 		lib.Close();
sl@0: 		}
sl@0: 	TInt err = KErrNone;
sl@0: 	for (TInt i = 0; i < KNumSupportedPixelFormats; ++i)
sl@0: 		{
sl@0: 		if (KSupportedPixelFormats[i] == ESgPixelFormatA_8 && (aUsage & KSgUsageAllSurfaceTypes))
sl@0: 			{
sl@0: 			continue;
sl@0: 			}
sl@0: 		err = aPixelFormats.Append(KSupportedPixelFormats[i]);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: XSgImage::XSgImage(TSgDrawableId aId, TUint32 aAttribs, const TSgImageMetaData& aMetaData, TAny* aDataAddress, TInt aDataStride)
sl@0: 	: iRefCount(1), iId(aId), iInfo(aMetaData.iSizeInPixels, aMetaData.iPixelFormat, aAttribs & KSgUsageBitMask),
sl@0: 	  iDataAddress(aDataAddress), iDataStride(aDataStride)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: XSgImage::~XSgImage()
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(iRefCount == 0, Panic(ESgPanicBadRefCount));
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::Open()
sl@0: 	{
sl@0: 	if (User::SafeInc(iRefCount) == 0)
sl@0: 		{
sl@0: 		return KErrNotFound;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: void XSgImage::Close()
sl@0: 	{
sl@0: 	if (User::SafeDec(iRefCount) == 1)
sl@0: 		{
sl@0: 		gPls.iDriver->DeleteImage(this);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::RefCount() const
sl@0: 	{
sl@0: 	return iRefCount;
sl@0: 	}
sl@0: 
sl@0: TSgDrawableId XSgImage::Id() const
sl@0: 	{
sl@0: 	return iId;
sl@0: 	}
sl@0: 
sl@0: TUid XSgImage::DrawableType() const
sl@0: 	{
sl@0: 	return KSgImageTypeUid;
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr)
sl@0: 	{
sl@0: 	if (aInterfaceUid == KNullUid)
sl@0: 		{
sl@0: 		return KErrArgument;
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: void XSgImage::GetInfo(TSgImageInfo& aInfo) const
sl@0: 	{
sl@0: 	aInfo = iInfo;
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::GetAttribute(TUid aUid, TInt& /*aValue*/) const
sl@0: 	{
sl@0: 	if (aUid == KNullUid)
sl@0: 		{
sl@0: 		return KErrArgument;
sl@0: 		}
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::Compare(const XSgImage& aImage1, const XSgImage& aImage2)
sl@0: 	{
sl@0: 	return Compare(&aImage1.iId, aImage2);
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::Compare(const TSgDrawableId* aId, const XSgImage& aImage)
sl@0: 	{
sl@0: 	if (aId->iId > aImage.iId.iId)
sl@0: 		{
sl@0: 		return 1;
sl@0: 		}
sl@0: 	if (aId->iId < aImage.iId.iId)
sl@0: 		{
sl@0: 		return -1;
sl@0: 		}
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: TAny* XSgImage::DataAddress() const
sl@0: 	{
sl@0: 	return iDataAddress;
sl@0: 	}
sl@0: 
sl@0: TInt XSgImage::DataStride() const
sl@0: 	{
sl@0: 	return iDataStride;
sl@0: 	}