diff -r bf7481649c98 -r 2717213c588a windowing/windowserver/test/tdynamicres/src/wsdynamicresbase.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/test/tdynamicres/src/wsdynamicresbase.cpp	Tue Jun 22 15:21:29 2010 +0300
@@ -0,0 +1,603 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <w32std.h>
+#include "wsdynamicresbase.h"
+#include "teflogextensions.h"
+#include "globalsettings.h"
+#include <bitdraw.h>
+#include <bitdrawinterfaceid.h>
+#include <bitdrawsurface.h>
+#include <graphics/surfaceconfiguration.h>
+#include "regionextend.h"
+
+
+#if defined(__X86GCC__)
+extern "C" TInt atexit(void (*function)(void))
+	{
+	return KErrNone;
+	}
+#endif
+
+CWsDynamicResBase::CWsDynamicResBase():
+	iUtility(this)
+	{
+	}
+
+CWsDynamicResBase::~CWsDynamicResBase()
+	{
+	}
+
+/**
+Common set up code for all tests.
+
+Creates the session and window group for further windows, plus a simple white
+background to obscure any unwanted stuff behind the test. Sets up the surface
+update session and surface manager, to work with surfaces. Creates a screen
+device for use in the tests.
+*/
+void CWsDynamicResBase::SetupL()
+	{
+	SetupL(EFalse);
+	}
+void CWsDynamicResBase::SetupL(TBool aUseOtherScreenForInfo)
+	{
+	CWsDynamicResWinBase::SetupL(aUseOtherScreenForInfo);
+	
+	
+//clean-up if previous test abended
+	if (PostTestCleanupInstance().iSharedUtility)
+	{
+//Temp removed - may be causing ONB fails!
+//	if (PostTestCleanupInstance().iSharedUtility->DestroyAll())
+//		{
+//		INFO_PRINTF1(_L("Destroyed some surfaces from previous test."));
+//
+//		}
+	}
+	if (!PostTestCleanupInstance().iCleanedUpOnExit)
+	PostTestCleanupInstance().iCleanedUpOnExit=EFalse;
+	
+	if (!GCEIsSupported())
+		{
+		INFO_PRINTF1(_L("Some Setup skipped: GCE support is not loaded"));
+		return;
+		}
+
+	TRAPD(err_FailedToCreateSurfaceUtility, iUtility = CSurfaceUtility::NewL( PostTestCleanupInstance().iSharedUtility));
+	ASSERT_EQUALS(err_FailedToCreateSurfaceUtility,KErrNone);
+
+	
+	}
+
+/**
+Common tear down code for all tests.
+
+Windows, group and session created are closed. Screen device is destroyed.
+Surfaces, manager and update session are closed.
+*/
+void CWsDynamicResBase::TearDownL()
+	{
+	CWsDynamicResWinBase::TearDownL();
+	delete iUtility();
+	PostTestCleanupInstance().iCleanedUpOnExit=ETrue;
+	//Pause(1000);
+	}
+/**
+ * Note that this is not the ideal mechanism.
+ * A derived class may thinks its TearDown is safe to do from delete, but in the class it is derived from it may not be safe
+ **/
+void CWsDynamicResBase::TearDownFromDeleteL()	
+	{
+	CWsDynamicResBase::TearDownL();	
+	}
+
+//Allocating an instance of surface utility here means all test code instances will share the same instance of the utility class.
+// Owns the singleton
+/*static*/ const CWsDynamicResBase::TPostTestCleanup& CWsDynamicResBase::PostTestCleanupInstance()
+	{
+	static 
+	class RPostTestCleanup:public TPostTestCleanup
+		{
+		public:
+		RPostTestCleanup()
+			{
+			iSharedUtility=NULL;
+			iCleanedUpOnExit=ETrue;
+			}
+		~RPostTestCleanup()
+			{
+	// I want to cleanly release the surface utility, but at this point the threads have already been pulled down!
+	//		if (iSharedUtility)
+	//			delete iSharedUtility;
+			iSharedUtility=NULL;	//avoid phoenix behaviour
+			}
+		}	staticInstance;
+		return staticInstance;
+	}
+
+void	CWsDynamicResBase::TPostTestCleanup::CreateSharedUtilityL()const
+	{
+	if (iSharedUtility==NULL)
+		iSharedUtility=CSurfaceUtility::NewL();
+	}
+
+/**
+Pause for the given number of milliseconds.
+
+@param aMilliseconds	Time to wait in milliseconds.
+*/
+void CWsDynamicResBase::Pause(TInt aMilliseconds)
+	{
+	User::After(TTimeIntervalMicroSeconds32(aMilliseconds * 1000));
+	}
+
+/**	Creates the normal scenario used by these tests.
+ *  With a large window behind and small window in front.
+ *  If the windows already exist then they are just repositioned and redrawn.
+ * 	@param	aOuterRect	Position of back window
+ * 	@param	aOuterColor	Background colour for back window
+ * 	@param	aInnerRect	Position of front window
+ * 	@param	aInnerColor	Background colour for front window
+ * 
+ **/
+void CWsDynamicResBase::MakeTestWindowPairL(TRect aOuterRect,TRgb aOuterColor,TRect aInnerRect,TRgb aInnerColor)
+	{
+	if (!iTestBack.WsHandle())
+		{
+		iTestBack=RWindow(iSession);
+		ASSERT_EQUALS_X(iTestBack.Construct(iGroup, ++iWindowHandle), KErrNone);
+#ifdef  FLICKER
+		iTestBack.Activate();
+#endif
+		iTestBack.SetRequiredDisplayMode(iDisplayMode);
+		iTestBack.SetBackgroundColor(aOuterColor);
+		iTestBack.SetExtent(aOuterRect.iTl,aOuterRect.Size());
+#ifndef FLICKER
+		iTestBack.Activate();
+#endif
+		}
+	else
+		{
+		iTestBack.SetRequiredDisplayMode(iDisplayMode);
+		iTestBack.SetBackgroundColor(aOuterColor);
+		iTestBack.SetExtent(aOuterRect.iTl,aOuterRect.Size());
+		}
+	iTestBack.BeginRedraw();
+	ActivateWithWipe(iGc,iTestBack,aOuterColor);
+	iGc->Deactivate();
+	iTestBack.EndRedraw();
+	iTestBack.SetVisible(ETrue);
+	
+	if (!iTestFront.WsHandle())
+		{
+		iTestFront=RWindow(iSession);
+		ASSERT_EQUALS_X(iTestFront.Construct(iGroup, ++iWindowHandle), KErrNone);
+#ifdef FLICKER
+		iTestFront.Activate();
+#endif
+		iTestFront.SetRequiredDisplayMode(iDisplayMode);
+		iTestFront.SetBackgroundColor(aInnerColor);	
+		iTestFront.SetExtent(aInnerRect.iTl,aInnerRect.Size());
+
+#ifndef FLICKER
+		iTestFront.Activate();
+#endif
+		}
+	else
+		{
+		iTestFront.SetRequiredDisplayMode(iDisplayMode);
+		iTestFront.SetBackgroundColor(aInnerColor);
+		iTestFront.SetExtent(aInnerRect.iTl,aInnerRect.Size());
+		}
+	
+	DrawPlainUI(iTestFront,EFalse,aInnerColor);
+	iTestFront.SetVisible(ETrue);
+	
+	}
+
+void CWsDynamicResBase::LargerTestWindow(TInt aPercentOfBack)
+	{
+	TRect newPos=iTestPos;
+	TSize backSize=iTestPos.Size();
+	newPos.Grow((aPercentOfBack-100)*backSize.iWidth/200,(aPercentOfBack-100)*backSize.iHeight/200);
+	iCenteredFrontWinRect=newPos;
+	if (iTestFront.WsHandle())
+		{
+		iTestFront.SetExtent(newPos.iTl,newPos.Size());
+		}
+	
+	}
+
+/** Destroys some or all of the test windows so the test can loop (or test the state after destruction.
+ *  The windows are destroyed when the test exits normally.
+ * 	Child windows are automatically killed when parent window is killed!
+ * 
+ **/
+void CWsDynamicResBase::DestroyTestWindowPair(TBool aKillTestBack,TBool aKillTestFront,TBool aKillTestChildren)
+	{
+	if (aKillTestBack && iTestBack.WsHandle())
+		{
+		iTestBack.Close();
+		}
+	if (aKillTestFront && iTestFront.WsHandle())
+		{
+		iTestFront.Close();
+		}
+	if (aKillTestChildren)
+		{
+		if (iTestChild.WsHandle())
+			{
+			iTestChild.Close();
+			}
+		if (iTestSecondChild.WsHandle())
+			{
+			iTestSecondChild.Close();
+			}
+		}
+	}
+/**	Creates a child window inside the front window of the usual test scenario
+*  With a large window behind and small window in front.
+ *  If the windows already exist then they are just repositioned and redrawn.
+ * 	@param	aOuterRect	Position of back window
+ * 	@param	aOuterColor	Background colour for back window
+ * 	@param	aInnerRect	Position of front window
+ * 	@param	aInnerColor	Background colour for front window
+ * 	@param	aChildRect	Position of child window
+ * 	@param	aChildColor	Background colour for child window
+ * 	@param	aSecondChildRect	Position of Second child window
+ * 	@param	aSecondChildColor	Background colour for Second child window
+ * 
+ **/
+void CWsDynamicResBase::MakeTestWindowTripleL(TRect aOuterRect,TRgb aOuterColor,TRect aInnerRect,TRgb aInnerColor,TRect aChildRect,TRgb aChildColor,TRect aSecondChildRect,TRgb aSecondChildColor)
+	{
+	MakeTestWindowTripleL(aOuterRect,aOuterColor,aInnerRect,aInnerColor,aChildRect,aChildColor);
+
+	MakeExtraChildWindowL(iTestChild,aSecondChildRect,aSecondChildColor);
+	}
+
+/**	Creates a child window inside the front window of the usual test scenario
+*  With a large window behind and small window in front.
+ *  If the windows already exist then they are just repositioned and redrawn.
+ * 	@param	aOuterRect	Position of back window
+ * 	@param	aOuterColor	Background colour for back window
+ * 	@param	aInnerRect	Position of front window
+ * 	@param	aInnerColor	Background colour for front window
+ * 	@param	aChildRect	Position of child window
+ * 	@param	aChildColor	Background colour for child window
+ *  @param	aSecondChildRect	Position of second child window
+ * 	@param	aSecondChildColor	Background colour for second child window
+ * 
+ **/
+void CWsDynamicResBase::CreateTestWindowQuadL(TRect aOuterRect,TRgb aOuterColor,TRect aInnerRect,TRgb aInnerColor,TRect aChildRect,TRgb aChildColor,TRect aSecondChildRect,TRgb aSecondChildColor)
+	{
+	MakeTestWindowTripleL(aOuterRect,aOuterColor,aInnerRect,aInnerColor,aChildRect,aChildColor);
+	
+	MakeExtraChildWindowL(iTestFront,aSecondChildRect,aSecondChildColor);
+	}
+
+void CWsDynamicResBase::MakeExtraChildWindowL(const RWindowBase& aFromParent,TRect aChildRect,TRgb aChildColor)
+	{
+	ASSERT(aFromParent.WsHandle());
+	if (!iTestSecondChild.WsHandle())
+		{
+		iTestSecondChild=RWindow(iSession);
+		ASSERT_EQUALS_X(iTestSecondChild.Construct(aFromParent, ++iWindowHandle), KErrNone);
+		iTestSecondChild.SetRequiredDisplayMode(iDisplayMode);
+		}
+	iTestSecondChild.SetBackgroundColor(aChildColor);
+	iTestSecondChild.SetExtent(aChildRect.iTl,aChildRect.Size());
+	iTestSecondChild.Activate();
+	iTestSecondChild.BeginRedraw();
+	iGc->Activate(iCompare);
+	iGc->SetBrushColor(iBlue);
+	iGc->Clear();
+	iGc->Deactivate();
+	iTestSecondChild.EndRedraw();
+	iTestSecondChild.SetVisible(ETrue);
+	}
+
+CWsDynamicResBase::LoopingGcPtr  CWsDynamicResBase::LoopBeginActivateWithWipe(const TRegion& aRegion,RWindow& aWin,TRgb aColor)
+	{
+	InvalidateRegion(aRegion,aWin);
+	return LoopingGcPtr(aRegion,aWin,aColor,GcForWindow(aWin));
+	}
+
+//This gets called each itteration of the while loop, and is used to step the rectangle count!
+void CWsDynamicResBase::LoopingGcPtr::operator ++()
+	{
+	iPass++;
+	if (iPass<iRegion.Count())
+		{	//Invalidate all the rectangles in the region
+		iWin.BeginRedraw(iRegion[iPass]);
+		CWsDynamicResWinBase::ActivateWithWipe(iGc,iWin,iColor);
+//		return true;
+		}
+	else
+		{
+		iGc=NULL;
+//		return false;
+		}
+	}
+
+CWindowGc*	CWsDynamicResBase::BeginActivateWithWipe(TBool aInvalidate,RWindow& aWin,TRgb aColor)
+	{
+	return CWsDynamicResWinBase::BeginActivateWithWipe(aInvalidate,aWin,aColor);
+	}
+
+CWindowGc*	CWsDynamicResBase::BeginActivateWithWipe(TBool aInvalidate,TRect aRect,RWindow& aWin,TRgb aColor)
+	{
+	return CWsDynamicResWinBase::BeginActivateWithWipe(aInvalidate,aRect,aWin,aColor);
+	}
+
+CWindowGc*	CWsDynamicResBase::BeginActivateWithWipe(const TRegion& aRegion,RWindow& aWin,TRgb aColor)
+	{
+	return CWsDynamicResWinBase::BeginActivateWithWipe(aRegion,aWin,aColor);
+	}
+
+/**	Creates a child window inside the front window of the usual test scenario
+*  With a large window behind and small window in front.
+ *  If the windows already exist then they are just repositioned and redrawn.
+ * 	@param	aOuterRect	Position of back window
+ * 	@param	aOuterColor	Background colour for back window
+ * 	@param	aInnerRect	Position of front window
+ * 	@param	aInnerColor	Background colour for front window
+ * 	@param	aChildRect	Position of child window
+ * 	@param	aChildColor	Background colour for child window
+ * 
+ **/
+void CWsDynamicResBase::MakeTestWindowTripleL(TRect aOuterRect,TRgb aOuterColor,TRect aInnerRect,TRgb aInnerColor,TRect aChildRect,TRgb aChildColor)
+	{
+	MakeTestWindowPairL(aOuterRect,aOuterColor,aInnerRect,aInnerColor);
+	ASSERT(iTestFront.WsHandle());
+	
+	if (!iTestChild.WsHandle())
+		{
+		iTestChild=RWindow(iSession);
+		ASSERT_EQUALS_X(iTestChild.Construct(iTestFront, ++iWindowHandle), KErrNone);
+		iTestChild.SetRequiredDisplayMode(iDisplayMode);
+		}
+	iTestChild.SetBackgroundColor(aChildColor);
+	iTestChild.SetExtent(aChildRect.iTl,aChildRect.Size());
+	iTestChild.Activate();
+	iTestChild.BeginRedraw();
+	iGc->Activate(iCompare);
+	iGc->SetBrushColor(iBlue);
+	iGc->Clear();
+	iGc->Deactivate();
+	iTestChild.EndRedraw();
+	iTestChild.SetVisible(ETrue);
+	}
+/**	
+ * 	Generates a valid surfaceID for the current display mode.
+ * 	This is then used in negative testing.
+ * 
+ * 
+ **/
+void CWsDynamicResBase::UISurfaceL(TSurfaceId& aSurfaceId) const
+	{
+	CFbsDrawDevice* screenDevice=NULL;
+	TDisplayMode displayMode=iScreenDevice->DisplayMode();
+	screenDevice = CFbsDrawDevice::NewScreenDeviceL(TGlobalSettings::Instance().iScreen, displayMode);
+	CleanupStack::PushL(screenDevice);
+	TAny* p=NULL;
+	User::LeaveIfError(screenDevice->GetInterface(KSurfaceInterfaceID, p));
+	MSurfaceId* uiSurface = static_cast<MSurfaceId*>(p);
+	uiSurface->GetSurface(aSurfaceId);
+	CleanupStack::PopAndDestroy(screenDevice);
+	}
+
+/**
+Common set up code for creating a surface based window.
+
+Given window and surface objects and a color: creates the window and surface,
+sets the window to a default size (the same as the surface), sets the background
+to the bitwise inverse of the given color, sets the surface as the background,
+fills the surface with the color and completes a redraw to prevent an event.
+
+@param aWindow	The window object, connected to a session.
+@param aSurface	The surface object, to be initialized.
+@param aColor	The color to fill the surface with.
+*/
+void CWsDynamicResBase::CommonSurfaceWindowSetupL(RWindow& aWindow, TSurfaceId& aSurface, const TRgb& aColor)
+	{
+	TInt err = KErrNone;
+
+	TRAP(err, aSurface = iUtility->CreateSurfaceL(TSize(KSurfaceWidth, KSurfaceHeight), 
+			KSurfaceFormat, KSurfaceWidth * KBytesPerPixel));
+	PRINT_ON_ERROR2_L(err, _L("Failed to create surface: %d"), err);
+	ASSERT_EQUALS_X(aWindow.Construct(iGroup, ++iWindowHandle), KErrNone);
+
+	aWindow.SetRequiredDisplayMode(iDisplayMode);
+	aWindow.SetExtent(TPoint(0, 0), TSize(KSurfaceWidth, KSurfaceHeight));
+	aWindow.SetBackgroundColor(TRgb(aColor.Value() ^ 0xFFFFFF));
+
+	ASSERT_EQUALS_X(aWindow.SetBackgroundSurface(aSurface), KErrNone);
+
+	TRAP(err, iUtility->FillSurfaceL(aSurface, aColor));
+	PRINT_ON_ERROR2_L(err, _L("Failed to fill surface: %d"), err);
+	DrawUIContent(aWindow);
+	}
+
+/**
+Common set up code for resizing tests.
+
+Similar to the common surface window code, but filling the surface with a grid
+instead of a solid color. The grid lines are always black. Also, the background
+color is always blue.
+*/
+void CWsDynamicResBase::ResizeTestCommonSetupL(RWindow& aWindow, const TRgb& aColor)
+	{
+	// Session and group created in SetUpL()
+
+	TSurfaceId surface;
+	TInt err = KErrNone;
+
+	TRAP(err, surface = iUtility->CreateSurfaceL(TSize(KSurfaceWidth, KSurfaceHeight), 
+			KSurfaceFormat, KSurfaceWidth * KBytesPerPixel));
+	PRINT_ON_ERROR2_L(err, _L("Failed to create surface: %d"), err);
+
+	ASSERT_EQUALS_X(aWindow.Construct(iGroup, ++iWindowHandle), KErrNone);
+
+	aWindow.SetRequiredDisplayMode(iDisplayMode);
+	aWindow.SetExtent(TPoint(0, 0), TSize(KSurfaceWidth, KSurfaceHeight));
+	aWindow.SetBackgroundColor(iBlue);
+	ASSERT_EQUALS_X(aWindow.SetBackgroundSurface(surface), KErrNone);
+
+	TRAP(err, iUtility->GridFillSurfaceL(surface, aColor, TRgb(0)));
+	PRINT_ON_ERROR2_L(err, _L("Failed to grid fill surface: %d"), err);
+	DrawUIContent(aWindow);
+	}
+
+CFbsBitmap* CWsDynamicResBase::RotateBitmapLC(const CFbsBitmap* aSrcBitmap)
+	{
+	CFbsBitmap* rv=new CFbsBitmap;
+	CleanupStack::PushL(rv);
+	TSize srcSize=aSrcBitmap->SizeInPixels();
+	rv->Create(TSize(srcSize.iHeight,srcSize.iWidth),EColor16MA);
+	TRgb* linestore=new TRgb[srcSize.iHeight];
+	TPtr8 buff((unsigned char*)linestore,srcSize.iHeight*sizeof(TRgb),srcSize.iHeight*sizeof(TRgb));
+	for (TInt col=0;col<aSrcBitmap->SizeInPixels().iWidth;col++)
+		{
+		for (TInt row=0,brow=srcSize.iHeight-1;row<srcSize.iHeight;row++,brow--)
+			{
+			aSrcBitmap->GetPixel(linestore[row],TPoint(col,brow));
+			}
+		rv->SetScanLine(buff,col);
+		}
+	delete[] linestore;
+	return rv;
+	}
+
+
+//
+//
+//
+// Pattern checking. Is a given pattern still present?
+// To make life interesting, the pattern is stored backwards!
+// The pattern is fibonnacci sequence masked to byte:
+//	1	2	3	5	8	13	21	34	55	89	144	233	121
+//	98	219	61	24	85	109	194	47	241	32	17	49	66
+//	115	181	40	221	5	226	231	201	176	121	41	162
+//
+//
+void Pattern::Fill(void* aTrg,TInt aOffset,TInt aLength)
+	{
+	unsigned char* ptr=(unsigned char*)aTrg;
+	TInt a=0;
+	TInt b=1;
+	while (--aLength)
+		{
+			TInt c=a+b;
+			*(ptr+aOffset+aLength)=c&0xff;
+			a=b;
+			b=c;
+		}
+	}
+TBool Pattern::Check(void* aTrg,TInt aOffset,TInt aLength)
+	{
+	unsigned char* ptr=(unsigned char*)aTrg;
+	TInt a=0;
+	TInt b=1;
+	while (--aLength)
+		{
+			TInt c=a+b;
+			if (*(ptr+aOffset+aLength)!=c&0xff)
+				return EFalse;
+			a=b;
+			b=c;
+		}
+	return ETrue;
+	}
+TBool Pattern::CheckVal(void* aTrg,TInt aOffset,TInt aLength,char val)
+	{
+	unsigned char* ptr=(unsigned char*)aTrg;
+	while (--aLength)
+		{
+			if (*(ptr+aOffset+aLength)!=val&0xff)
+				return EFalse;
+		}
+	return ETrue;
+	}
+
+//I have removed these only because they use TRegionExtend
+//
+//TInt	CWsDynamicResBase::RegionDiffForUiLayer(TInt aUiLayer)
+//	{
+//	EWsDebugGetUILayerConfig,		//return: TSurfaceConfig		//Index UI layer via EWsDebugArgLayerMask
+//	EWsDebugGetUILayerBase,			//return: TRect[]
+//	
+//	RRegion 	layerRegion;
+//	TInt layerRegionLen=iSession.DebugInfo(EWsDebugGetUILayerBase,iSession.ObjInd(0,aUiLayer),layerRegion);
+//	if (layerRegionLen==KErrCancel)
+//		return TRegionExtend::EExact;
+//	ASSERT_TRUE(layerRegionLen>=0);
+//	TBuf8<sizeof(TSurfaceConfiguration)> configBuf(sizeof(TSurfaceConfiguration));
+//	const TSurfaceConfiguration* config;
+//	TInt configLen=iSession.DebugInfo(EWsDebugGetUILayerConfig,iSession.ObjInd(0,aUiLayer),configBuf,config);
+//	ASSERT_TRUE(configLen>=0);
+//	TRect layerExtent;
+//	config->GetExtent(layerExtent);
+//	TInt retVal=TRegionExtend::Cast(layerRegion).TestDifference(layerExtent.Size());
+//	layerRegion.Close();
+//	return retVal;
+//	}
+//CWsDynamicResBase::FastPathMode	CWsDynamicResBase::DeduceUiFastPathMode()
+//	{
+//	TInt blendedRegionState=RegionDiffForUiLayer(0);
+//	TInt opaqueRegionState=RegionDiffForUiLayer(1);
+//	if (blendedRegionState&TRegionExtend::ENoIntersect)
+//		{
+//		if (opaqueRegionState&TRegionExtend::ENoIntersect)
+//			{
+//			return EFpExternalOpaque;			//fullscreen fast-path external surface
+//			}
+//		else
+//			if (opaqueRegionState&TRegionExtend::EAdd)
+//				{
+//				return (FastPathMode)(EFpUiOpaque|EFpUiRegions);	//windowed max-opt no blending
+//				}
+//			else
+//				{
+//				return EFpUiOpaque;		//full-screen fastpath
+//				}
+//		}
+//	else
+//		{
+//		if (opaqueRegionState&TRegionExtend::ENoIntersect)
+//			{
+//			if (blendedRegionState&TRegionExtend::EAdd)
+//				{
+//				return (FastPathMode)(EFpUiBlended|EFpUiRegions);	//windowed max-opt no opaque
+//				}
+//			else
+//				{
+//				return (EFpUiBlended);	//full-screen blended
+//				}
+//			}
+//		else
+//			{
+//			if ((blendedRegionState|opaqueRegionState)&TRegionExtend::EAdd)
+//				{
+//				return (FastPathMode)(EFpUiComplex|EFpUiRegions);	//moxed blending, opaque and external max optimisation
+//				}
+//			else
+//				{
+//				return EFpUiComplex;	//Error! blend and opaque both enabled and full-screen!
+//				}
+//			}
+//		
+//		}
+//	}