dds.cpp

#include "header.h"

namespace dds
{
	struct XVTBL
	{
		HRESULT (__stdcall * QueryInterface)( WRAP* This, const IID& riid, void** ppvObject );
		ULONG   (__stdcall * AddRef)( WRAP* This );
		ULONG   (__stdcall * Release)( WRAP* This );
		HRESULT (__stdcall * AddAttachedSurface)( WRAP* This, LPDIRECTDRAWSURFACE lpDDSAttachedSurface );
		HRESULT (__stdcall * AddOverlayDirtyRect)( WRAP* This, LPRECT lpRect );
		HRESULT (__stdcall * Blt)( WRAP* This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx );
		HRESULT (__stdcall * BltBatch)( WRAP* This, LPDDBLTBATCH lpDDBltBatch, DWORD dwCount, DWORD dwFlags );
		HRESULT (__stdcall * BltFast)( WRAP* This, DWORD dwX, DWORD dwY, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwTrans );
		HRESULT (__stdcall * DeleteAttachedSurface)( WRAP* This, DWORD dwFlags, LPDIRECTDRAWSURFACE lpDDSAttachedSurface );
		HRESULT (__stdcall * EnumAttachedSurfaces)( WRAP* This, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpEnumSurfacesCallback );
		HRESULT (__stdcall * EnumOverlayZOrders)( WRAP* This, DWORD dwFlags, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpfnCallback );
		HRESULT (__stdcall * Flip)( WRAP* This, LPDIRECTDRAWSURFACE lpDDSurfaceTargetOverride, DWORD dwFlags );
		HRESULT (__stdcall * GetAttachedSurface)( WRAP* This, LPDDSCAPS lpDDSCaps, LPDIRECTDRAWSURFACE *lplpDDAttachedSurface );
		HRESULT (__stdcall * GetBltStatus)( WRAP* This, DWORD dwFlags );
		HRESULT (__stdcall * GetCaps)( WRAP* This, LPDDSCAPS lpDDSCaps );
		HRESULT (__stdcall * GetClipper)( WRAP* This, LPDIRECTDRAWCLIPPER *lplpDDClipper );
		HRESULT (__stdcall * GetColorKey)( WRAP* This, DWORD dwFlags, LPDDCOLORKEY lpDDColorKey );
		HRESULT (__stdcall * GetDC)( WRAP* This, HDC *lphDC );
		HRESULT (__stdcall * GetFlipStatus)( WRAP* This, DWORD dwFlags );
		HRESULT (__stdcall * GetOverlayPosition)( WRAP* This, LPLONG lplX, LPLONG lplY );
		HRESULT (__stdcall * GetPalette)( WRAP* This, LPDIRECTDRAWPALETTE *lplpDDPalette );
		HRESULT (__stdcall * GetPixelFormat)( WRAP* This, LPDDPIXELFORMAT lpDDPixelFormat );
		HRESULT (__stdcall * GetSurfaceDesc)( WRAP* This, LPDDSURFACEDESC lpDDSurfaceDesc );
		HRESULT (__stdcall * Initialize)( WRAP* This, LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc );
		HRESULT (__stdcall * IsLost)( WRAP* This );
		HRESULT (__stdcall * Lock)( WRAP* This, LPRECT lpDestRect, LPDDSURFACEDESC lpDDSurfaceDesc, DWORD dwFlags, HANDLE hEvent );
		HRESULT (__stdcall * ReleaseDC)( WRAP* This, HDC hDC );
		HRESULT (__stdcall * Restore)( WRAP* This );
		HRESULT (__stdcall * SetClipper)( WRAP* This, LPDIRECTDRAWCLIPPER lpDDClipper );
		HRESULT (__stdcall * SetColorKey)( WRAP* This, DWORD dwFlags, LPDDCOLORKEY lpDDColorKey );
		HRESULT (__stdcall * SetOverlayPosition)( WRAP* This, LONG lX, LONG lY );
		HRESULT (__stdcall * SetPalette)( WRAP* This, LPDIRECTDRAWPALETTE lpDDPalette );
		HRESULT (__stdcall * Unlock)( WRAP* This, LPVOID lpRect );
		HRESULT (__stdcall * UpdateOverlay)( WRAP* This, LPRECT lpSrcRect, LPDIRECTDRAWSURFACE lpDDDestSurface, LPRECT lpDestRect, DWORD dwFlags, LPDDOVERLAYFX lpDDOverlayFx );
		HRESULT (__stdcall * UpdateOverlayDisplay)( WRAP* This, DWORD dwFlags );
		HRESULT (__stdcall * UpdateOverlayZOrder)( WRAP* This, DWORD dwFlags, LPDIRECTDRAWSURFACE lpDDSReference );
		// added in v2
		HRESULT (__stdcall * GetDDInterface)( WRAP* This, LPVOID *lplpDD );
		HRESULT (__stdcall * PageLock)( WRAP* This, DWORD dwFlags );
		HRESULT (__stdcall * PageUnlock)( WRAP* This, DWORD dwFlags );
		// added in v3
		HRESULT (__stdcall * SetSurfaceDesc)( WRAP* This, LPDDSURFACEDESC lpDDSD, DWORD dwFlags );
		// added in v4
		HRESULT (__stdcall * SetPrivateData)( WRAP* This, const GUID & tag, LPVOID pData, DWORD cbSize, DWORD dwFlags );
		HRESULT (__stdcall * GetPrivateData)( WRAP* This, const GUID & tag, LPVOID pBuffer, LPDWORD pcbBufferSize );
		HRESULT (__stdcall * FreePrivateData)( WRAP* This, const GUID & tag );
		HRESULT (__stdcall * GetUniquenessValue)( WRAP* This, LPDWORD pValue );
		HRESULT (__stdcall * ChangeUniquenessValue)( WRAP* This );
		// added in v7
		HRESULT (__stdcall * SetPriority)( WRAP* This, DWORD prio );
		HRESULT (__stdcall * GetPriority)( WRAP* This, LPDWORD prio );
		HRESULT (__stdcall * SetLOD)( WRAP* This, DWORD lod );
		HRESULT (__stdcall * GetLOD)( WRAP* This, LPDWORD lod );
	};

	HRESULT __stdcall QueryInterface( WRAP* This, const IID& riid, void** ppvObject )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->QueryInterface(This->dds1, riid, ppvObject);
		INFO("QueryInterface DDS %08X -> %08X (IID %08X)\n", This->dds1, *ppvObject, riid);
		if (SUCCEEDED(hResult)) {
			// Update our records so that we don't lose track
			if (This->dds1 == This->dd_parent->fake[0]) This->dd_parent->fake[0] = (LPDIRECTDRAWSURFACE)*ppvObject;
			else if (This->dds1 == This->dd_parent->fake[1]) This->dd_parent->fake[1] = (LPDIRECTDRAWSURFACE)*ppvObject;
			Wrap(This->dd_parent, iid_to_vtbl(riid), ppvObject);
		}
		EPILOGUE( hResult );
	}

	ULONG __stdcall AddRef( WRAP* This )
	{
		PROLOGUE;
		ULONG dwCount = This->dds1->lpVtbl->AddRef( This->dds1 );
		EPILOGUE( dwCount );
	}

	ULONG __stdcall Release( WRAP* This )
	{ 	
		PROLOGUE;
		ULONG dwCount = WrapRelease(This);
		INFO("Release DDS %08X dwCount %08X\n", This->dds1, dwCount);
		if (!dwCount) {
			if (This->dds1 == This->dd_parent->fake[0]) { // Release real surfaces when the fake primary is released
				if (This->dd_parent->fake[1]) { // fakes are not chained. We released them as if chained
					Wrap(This->dd_parent, This->xVtbl, (void**)&This->dd_parent->fake[1]); // Get outter interface
					WrapRelease((WRAP*)This->dd_parent->fake[1]);
				}
				if (This->dd_parent->buffer) This->dd_parent->buffer->lpVtbl->Release(This->dd_parent->buffer);
				if (This->dd_parent->real[1]) This->dd_parent->real[1]->lpVtbl->Release(This->dd_parent->real[1]); // Release sequence matters for complex surfaces
				This->dd_parent->real[0]->lpVtbl->Release(This->dd_parent->real[0]);
				This->dd_parent->real[0] = This->dd_parent->real[1] = This->dd_parent->buffer = This->dd_parent->fake[0] = This->dd_parent->fake[1] = NULL;
				INFO("  released all real, fake and buffer\n");
			} else if (This->dds1 == This->dd_parent->fake[1]) {
				dwCount = 1; // Emulate complex surface release behavior
				This->dd_parent->fake[1] = NULL;
			}
		}
		EPILOGUE( dwCount );
	}

	HRESULT __stdcall AddAttachedSurface( WRAP* This, LPDIRECTDRAWSURFACE lpDDSAttachedSurface )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->AddAttachedSurface( This->dds1, GetInnerInterface( lpDDSAttachedSurface ) );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall AddOverlayDirtyRect( WRAP* This, LPRECT lpRect )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->AddOverlayDirtyRect( This->dds1, lpRect );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall Blt( WRAP* This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx )
	{ 		
		PROLOGUE;
		HRESULT hResult;
		// dwDDROP is ignored as "no such ROPs are currently defined"
		// dwROP is assumed to be a rop3 with redundant low-word ignored

		// unwrap interfaces in the DDBLTFX structure if used //
		DDBLTFX fx;
		if (lpDDBltFx) {
			bool UsesPattern = dwFlags & DDBLT_ROP ? ((lpDDBltFx->dwROP & 0x00F00000) >> 4) != (lpDDBltFx->dwROP & 0x000F0000) : false;		
			if (UsesPattern || (dwFlags & (DDBLT_ALPHADESTSURFACEOVERRIDE | DDBLT_ALPHASRCSURFACEOVERRIDE | DDBLT_ZBUFFERDESTOVERRIDE | DDBLT_ZBUFFERSRCOVERRIDE))) {
				if(lpDDBltFx->dwSize >= sizeof(fx)) {
					memcpy(&fx, lpDDBltFx, sizeof(fx));
					if(dwFlags & DDBLT_ALPHADESTSURFACEOVERRIDE) fx.lpDDSAlphaDest   = GetInnerInterface(fx.lpDDSAlphaDest  );
					if(dwFlags & DDBLT_ALPHASRCSURFACEOVERRIDE ) fx.lpDDSAlphaSrc    = GetInnerInterface(fx.lpDDSAlphaSrc   );
					if(dwFlags & DDBLT_ZBUFFERDESTOVERRIDE     ) fx.lpDDSZBufferDest = GetInnerInterface(fx.lpDDSZBufferDest);
					if(dwFlags & DDBLT_ZBUFFERSRCOVERRIDE      ) fx.lpDDSZBufferSrc  = GetInnerInterface(fx.lpDDSZBufferSrc );
					if(UsesPattern                             ) fx.lpDDSPattern     = GetInnerInterface(fx.lpDDSPattern    );
					lpDDBltFx = &fx;
				}
			}
		}

		/*
		// Unwrap lpDDSrcSurface only if used
		if (lpDDSrcSurface) {
			bool UsesSource = dwFlags & DDBLT_ROP ? ((lpDDBltFx->dwROP & 0x00F00000) % 0x00500000) || ((lpDDBltFx->dwROP & 0x000F0000) % 0x00050000) : true;
			if (UsesSource || !(dwFlags & (DDBLT_COLORFILL | DDBLT_DEPTHFILL))) {
				lpDDSrcSurface = GetInnerInterface(lpDDSrcSurface);
			}
		}
		*/
		lpDDSrcSurface = GetInnerInterface(lpDDSrcSurface);

		LPDIRECTDRAWSURFACE src = dx::MatchFlip(This, lpDDSrcSurface);
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		hResult = sf->lpVtbl->Blt(sf, lpDestRect, src, lpSrcRect, dwFlags, lpDDBltFx);
		INFO("Blt %08X (%08X) <- %08X (%08X) dwFlags %08X, %08X\n", This->dds1, sf, lpDDSrcSurface, src, dwFlags, lpDDBltFx);
		if (SUCCEEDED(hResult) && This->dds1 == This->dd_parent->fake[0]) { // Front
			dx::Flush(This, sf, lpDestRect);
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall BltBatch( WRAP* This, LPDDBLTBATCH lpDDBltBatch, DWORD dwCount, DWORD dwFlags )
	{	// This method was never implemented by ddraw?
		PROLOGUE;
		UNREFERENCED_PARAMETER( This );
		UNREFERENCED_PARAMETER( lpDDBltBatch );
		UNREFERENCED_PARAMETER( dwCount );
		UNREFERENCED_PARAMETER( dwFlags );
		WARN( "E_NOTIMPL" );
		EPILOGUE( E_NOTIMPL );
	}

	HRESULT __stdcall BltFast( WRAP* This, DWORD dwX, DWORD dwY, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwTrans )
	{
		PROLOGUE;
		lpDDSrcSurface = GetInnerInterface(lpDDSrcSurface);
		LPDIRECTDRAWSURFACE src = dx::MatchFlip(This, lpDDSrcSurface);
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->BltFast(sf, dwX, dwY, src, lpSrcRect, dwTrans);
		INFO("BltFast %08X (%08X) <- %08X (%08X) : %08X\n", This->dds1, sf, lpDDSrcSurface, src, dwTrans);
		if (SUCCEEDED(hResult) && This->dds1 == This->dd_parent->fake[0]) { // Front
			if (lpSrcRect) {
				RECT r = {(int)dwX, (int)dwY, lpSrcRect->right - lpSrcRect->left + (int)dwX, lpSrcRect->bottom - lpSrcRect->top + (int)dwY};
				dx::Flush(This, sf, &r);
			} else {
				dx::Flush(This, sf);
			}
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall DeleteAttachedSurface( WRAP* This, DWORD dwFlags, LPDIRECTDRAWSURFACE lpDDSAttachedSurface)
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->DeleteAttachedSurface( This->dds1, dwFlags, GetInnerInterface( lpDDSAttachedSurface ) );
		EPILOGUE( hResult );
	}


	HRESULT __stdcall EnumAttachedSurfaces( WRAP* This, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpEnumSurfacesCallback )
	{
		PROLOGUE;
		HRESULT hResult;
		if (This->dds1 == This->dd_parent->fake[0]) { // Front
			DDSURFACEDESC DDSurfaceDesc = {0};
			DDSurfaceDesc.dwSize = sizeof(DDSURFACEDESC);
			hResult = This->dd_parent->fake[1]->lpVtbl->GetSurfaceDesc(This->dd_parent->fake[1], &DDSurfaceDesc);
			if (SUCCEEDED(hResult)) {
				LPDIRECTDRAWSURFACE lpDDSurface = This->dd_parent->fake[1];
				Wrap(This->dd_parent, This->xVtbl, (void**)&lpDDSurface); // Get outter interface
				lpEnumSurfacesCallback(lpDDSurface, &DDSurfaceDesc, lpContext);
			}
		} else {
			EnumStruct e;
			e.callback = (void*)lpEnumSurfacesCallback;
			e.context = lpContext;
			e.dd_parent = This->dd_parent;
			e.xVtbl = This->xVtbl;
			e.must_exist = true;
			hResult = This->dds1->lpVtbl->EnumAttachedSurfaces( This->dds1, &e, &WrapEnumSurfacesCallback );
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall EnumOverlayZOrders( WRAP* This, DWORD dwFlags, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpfnCallback )
	{
		PROLOGUE;
		EnumStruct e;
		e.callback = (void*)lpfnCallback;
		e.context = lpContext;
		e.dd_parent = This->dd_parent;
		e.xVtbl = This->xVtbl;
		e.must_exist = true;
		HRESULT hResult = This->dds1->lpVtbl->EnumOverlayZOrders( This->dds1, dwFlags, &e, &WrapEnumSurfacesCallback );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall Flip( WRAP* This, LPDIRECTDRAWSURFACE lpDDSurfaceTargetOverride, DWORD dwFlags )
	{
		PROLOGUE;
		HRESULT hResult;
		if (This->dds1 == This->dd_parent->fake[0] || This->dds1 == This->dd_parent->fake[1]) {
			INFO("Flip to fake %d dwFlags %08X\n", !This->dd_parent->flip, dwFlags);
			hResult = dx::Flush(This, This->dd_parent->fake[!This->dd_parent->flip], NULL, 0, dwFlags); // Back
			if (SUCCEEDED(hResult)) This->dd_parent->flip = !This->dd_parent->flip;
		} else {
			hResult = This->dds1->lpVtbl->Flip( This->dds1, GetInnerInterface( lpDDSurfaceTargetOverride ), dwFlags );
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetAttachedSurface( WRAP* This, LPDDSCAPS lpDDSCaps, LPDIRECTDRAWSURFACE* lplpDDAttachedSurface )
	{
		PROLOGUE;
		HRESULT hResult = DD_OK;
		if (This->dds1 == This->dd_parent->fake[0]) { // Front
			*lplpDDAttachedSurface = This->dd_parent->fake[1];
		} else {
			hResult = This->dds1->lpVtbl->GetAttachedSurface( This->dds1, lpDDSCaps, lplpDDAttachedSurface );
		}
		INFO("GetAttachedSurface %08X -> %08X, dwCaps %08X\n", This->dds1, *lplpDDAttachedSurface, lpDDSCaps->dwCaps);
		if (SUCCEEDED(hResult)) Wrap(This->dd_parent, This->xVtbl, (void**)lplpDDAttachedSurface);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetBltStatus( WRAP* This, DWORD dwFlags )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->GetBltStatus(sf, dwFlags);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetCaps( WRAP* This, LPDDSCAPS lpDDSCaps )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetCaps( This->dds1, lpDDSCaps );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetClipper( WRAP* This, LPDIRECTDRAWCLIPPER *lplpDDClipper )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetClipper( This->dds1, lplpDDClipper );
		if (SUCCEEDED(hResult)) Wrap( This->dd_parent, iid_to_vtbl( IID_IDirectDrawClipper ), (void**)lplpDDClipper );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetColorKey( WRAP* This, DWORD dwFlags, LPDDCOLORKEY lpDDColorKey )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetColorKey( This->dds1, dwFlags, lpDDColorKey );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetDC( WRAP* This, HDC *lphDC )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		// Set palette for offScreen surface in case it doesn't have one
		if (This->dd_parent->palette && sf != This->dd_parent->fake[0] && sf != This->dd_parent->fake[1]) { sf->lpVtbl->SetPalette(sf, This->dd_parent->palette); }
		HRESULT hResult = sf->lpVtbl->GetDC(sf, lphDC);
		INFO("GetDC %08X (%08X)\n", This->dds1, sf);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetFlipStatus( WRAP* This, DWORD dwFlags )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = This->dds1;
		if (sf == This->dd_parent->fake[0] || sf == This->dd_parent->fake[1]) sf = This->dd_parent->real[0];
		HRESULT hResult = sf->lpVtbl->GetFlipStatus(sf, dwFlags);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetOverlayPosition( WRAP* This, LPLONG lplX, LPLONG lplY )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetOverlayPosition( This->dds1, lplX, lplY );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetPalette( WRAP* This, LPDIRECTDRAWPALETTE *lplpDDPalette )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetPalette( This->dds1, lplpDDPalette );
		if (SUCCEEDED(hResult)) Wrap( This->dd_parent, iid_to_vtbl( IID_IDirectDrawPalette ), (void**)lplpDDPalette );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetPixelFormat( WRAP* This, LPDDPIXELFORMAT lpDDPixelFormat )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetPixelFormat( This->dds1, lpDDPixelFormat );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetSurfaceDesc( WRAP* This, LPDDSURFACEDESC lpDDSurfaceDesc )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->GetSurfaceDesc( This->dds1, lpDDSurfaceDesc );
		INFO("GetSurfaceDesc %08X\n", This->dds1);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall Initialize( WRAP* This, LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->Initialize( This->dds1, GetInnerInterface( lpDD ), lpDDSurfaceDesc );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall IsLost( WRAP* This )
	{
		PROLOGUE;
		HRESULT hResult;
		if (This->dds1 == This->dd_parent->fake[0] || This->dds1 == This->dd_parent->fake[1]) {
			hResult = This->dd_parent->real[0]->lpVtbl->IsLost(This->dd_parent->real[0]);
		} else {
			hResult = This->dds1->lpVtbl->IsLost(This->dds1);
		}
		INFO("IsLost %08X -> %08X\n", This->dds1, hResult);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall Lock( WRAP* This, LPRECT lpDestRect, LPDDSURFACEDESC lpDDSurfaceDesc, DWORD dwFlags, HANDLE hEvent )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->Lock(sf, lpDestRect, lpDDSurfaceDesc, dwFlags, hEvent);
		INFO("Lock %08X (%08X) rect %08X dwFlags %08X\n", This->dds1, sf, lpDestRect, dwFlags);
		if (SUCCEEDED(hResult) && This->dds1 == This->dd_parent->fake[0]) { // Front
			This->dd_parent->write = dwFlags & DDLOCK_READONLY ? 0 : 1;
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall ReleaseDC( WRAP* This, HDC hDC )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->ReleaseDC(sf, hDC);
		INFO("ReleaseDC %08X (%08X)\n", This->dds1, sf);
		if (SUCCEEDED(hResult) && This->dds1 == This->dd_parent->fake[0]) { // Front
			dx::Flush(This, sf);
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall Restore( WRAP* This )
	{
		PROLOGUE;
		HRESULT hResult;
		if (This->dds1 == This->dd_parent->fake[0] || This->dds1 == This->dd_parent->fake[1]) {
			hResult = This->dd_parent->real[0]->lpVtbl->Restore(This->dd_parent->real[0]);
		} else {
			hResult = This->dds1->lpVtbl->Restore(This->dds1);
		}
		INFO("Restore %08X -> %08X\n", This->dds1, hResult);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall SetClipper( WRAP* This, LPDIRECTDRAWCLIPPER lpDDClipper )
	{
		PROLOGUE;
		HRESULT hResult;
		LPDIRECTDRAWCLIPPER old_clipper = NULL;
		lpDDClipper = GetInnerInterface(lpDDClipper);
		if (SUCCEEDED(This->dds1->lpVtbl->GetClipper(This->dds1, &old_clipper))) {
			Wrap(This->dd_parent, iid_to_vtbl(IID_IDirectDrawClipper), (void**)&old_clipper);
		}
		hResult = This->dds1->lpVtbl->SetClipper(This->dds1, lpDDClipper);
		INFO("SetClipper %08X to %08X\n", lpDDClipper, This->dds1);
		if (old_clipper != NULL) {
			WrapRelease((WRAP*)old_clipper);
			old_clipper = NULL;
		}

		LPDIRECTDRAWSURFACE sf = NULL;
		if (This->dds1 == This->dd_parent->fake[0]) sf = This->dd_parent->fake[1];
		else if (This->dds1 == This->dd_parent->fake[1]) sf = This->dd_parent->fake[0];
		if (sf) {
			This->dd_parent->clipper = lpDDClipper;
			if (SUCCEEDED(sf->lpVtbl->GetClipper(sf, &old_clipper))) {
				Wrap(This->dd_parent, iid_to_vtbl(IID_IDirectDrawClipper), (void**)&old_clipper);
			}
			sf->lpVtbl->SetClipper(sf, lpDDClipper);
			if (old_clipper != NULL) {
				WrapRelease((WRAP*)old_clipper);
				old_clipper = NULL;
			}
			sf = This->dd_parent->real[0];
			if (SUCCEEDED(sf->lpVtbl->GetClipper(sf, &old_clipper))) {
				Wrap(This->dd_parent, iid_to_vtbl(IID_IDirectDrawClipper), (void**)&old_clipper);
			}
			sf->lpVtbl->SetClipper(sf, lpDDClipper);
			if (old_clipper != NULL) {
				WrapRelease((WRAP*)old_clipper);
				old_clipper = NULL;
			}
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall SetColorKey( WRAP* This, DWORD dwFlags, LPDDCOLORKEY lpDDColorKey )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->SetColorKey(This->dds1, dwFlags, lpDDColorKey);
		INFO("SetColorKey L:%08X H:%08X to %08X dwFlags %08X\n", lpDDColorKey->dwColorSpaceLowValue, lpDDColorKey->dwColorSpaceHighValue, This->dds1, dwFlags);

		LPDIRECTDRAWSURFACE sf = NULL;
		if (This->dds1 == This->dd_parent->fake[0]) sf = This->dd_parent->fake[1];
		else if (This->dds1 == This->dd_parent->fake[1]) sf = This->dd_parent->fake[0];
		if (sf) {
			sf->lpVtbl->SetColorKey(sf, dwFlags, lpDDColorKey);
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall SetOverlayPosition( WRAP* This, LONG lX, LONG lY )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->SetOverlayPosition( This->dds1, lX, lY );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall SetPalette( WRAP* This, LPDIRECTDRAWPALETTE lpDDPalette )
	{
		PROLOGUE;
		HRESULT hResult;
		LPDIRECTDRAWPALETTE old_palette = NULL;
		lpDDPalette = GetInnerInterface(lpDDPalette);
		if (SUCCEEDED(This->dds1->lpVtbl->GetPalette(This->dds1, &old_palette))) {
			Wrap(This->dd_parent, iid_to_vtbl(IID_IDirectDrawPalette), (void**)&old_palette);
		}
		hResult = This->dds1->lpVtbl->SetPalette(This->dds1, lpDDPalette);
		INFO("SetPalette %08X to %08X\n", lpDDPalette, This->dds1);
		if(old_palette != NULL) {
			WrapRelease((WRAP*)old_palette);
			old_palette = NULL;
		}

		LPDIRECTDRAWSURFACE sf = NULL;
		if (This->dds1 == This->dd_parent->fake[0]) sf = This->dd_parent->fake[1];
		else if (This->dds1 == This->dd_parent->fake[1]) sf = This->dd_parent->fake[0];
		if (sf) {
			This->dd_parent->palette = lpDDPalette;
			if (SUCCEEDED(sf->lpVtbl->GetPalette(sf, &old_palette))) {
				Wrap(This->dd_parent, iid_to_vtbl(IID_IDirectDrawPalette), (void**)&old_palette);
			}
			sf->lpVtbl->SetPalette(sf, lpDDPalette);
			if(old_palette != NULL) {
				WrapRelease((WRAP*)old_palette);
				old_palette = NULL;
			}
		}
		EPILOGUE( hResult );
	}

	// lpData is ddsd.lpSurface in version 1, 2, and 3
	// lpData is lpRect in versions 4 and 7
	HRESULT __stdcall Unlock( WRAP* This, LPVOID lpData )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE sf = dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->Unlock(sf, lpData);
		INFO("Unlock %08X (%08X)\n", This->dds1, sf);
		if (SUCCEEDED(hResult) && This->dds1 == This->dd_parent->fake[0] && This->dd_parent->write) { // Front
			dx::Flush(This, sf); // Should have captured the RECT, but lock on primary surface is unlikely to happen
		}
		EPILOGUE( hResult );
	}

	HRESULT __stdcall UpdateOverlay( WRAP* This, LPRECT lpSrcRect, LPDIRECTDRAWSURFACE lpDDDestSurface, LPRECT lpDestRect, DWORD dwFlags, LPDDOVERLAYFX lpDDOverlayFx )
	{
		PROLOGUE;
		DDOVERLAYFX fx;

		// unwrap interfaces in the DDOVERLAYFX structure if used //
		if( dwFlags & ( DDOVER_ALPHADESTSURFACEOVERRIDE | DDOVER_ALPHASRCSURFACEOVERRIDE ) )
		{
			if( ( lpDDOverlayFx != NULL ) && ( sizeof( fx ) <= lpDDOverlayFx->dwSize ) )
			{
				memcpy( &fx, lpDDOverlayFx, sizeof(fx) );
				if( dwFlags & DDOVER_ALPHADESTSURFACEOVERRIDE ) fx.lpDDSAlphaDest   = GetInnerInterface( fx.lpDDSAlphaDest   );
				if( dwFlags & DDOVER_ALPHASRCSURFACEOVERRIDE  ) fx.lpDDSAlphaSrc    = GetInnerInterface( fx.lpDDSAlphaSrc    );
				lpDDOverlayFx = &fx;
			}
		}

		HRESULT hResult = This->dds1->lpVtbl->UpdateOverlay( This->dds1, lpSrcRect, GetInnerInterface( lpDDDestSurface ), lpDestRect, dwFlags, lpDDOverlayFx );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall UpdateOverlayDisplay( WRAP* This, DWORD dwFlags )
	{
		PROLOGUE;
		HRESULT hResult = This->dds1->lpVtbl->UpdateOverlayDisplay( This->dds1, dwFlags );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall UpdateOverlayZOrder( WRAP* This, DWORD dwFlags, LPDIRECTDRAWSURFACE lpDDSReference )
	{
		PROLOGUE;
		//if( dwFlags & ( DDOVERZ_INSERTINBACKOF | DDOVERZ_INSERTINFRONTOF ) ) lpDDSReference = GetInnerInterface( lpDDSReference );
		HRESULT hResult = This->dds1->lpVtbl->UpdateOverlayZOrder( This->dds1, dwFlags, lpDDSReference );
		EPILOGUE( hResult );
	}

	// v2 //

	HRESULT __stdcall GetDDInterface( WRAP* This, LPVOID* lplpDD )
	{
		// theoretically returns IUnknown but some programs may cast it to a different interface pointer
		// instead of querying for the interface
		PROLOGUE;
		HRESULT hResult = This->dds2->lpVtbl->GetDDInterface( This->dds2, lplpDD );
		if( SUCCEEDED( hResult ) ) Wrap( This->dd_parent, dds_to_dd_vtbl( This ), (void**)lplpDD );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall PageLock( WRAP* This, DWORD dwFlags )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE2 sf = (LPDIRECTDRAWSURFACE2)dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->PageLock(sf, dwFlags);
		EPILOGUE( hResult );
	}

	HRESULT __stdcall PageUnlock( WRAP* This, DWORD dwFlags )
	{
		PROLOGUE;
		LPDIRECTDRAWSURFACE2 sf = (LPDIRECTDRAWSURFACE2)dx::MatchFlip(This, This->dds1);
		HRESULT hResult = sf->lpVtbl->PageUnlock(sf, dwFlags);
		EPILOGUE( hResult );
	}

	// v3 //

	HRESULT __stdcall SetSurfaceDesc( WRAP* This, LPDDSURFACEDESC lpDDSD, DWORD dwFlags )
	{
		PROLOGUE;
		HRESULT hResult = This->dds3->lpVtbl->SetSurfaceDesc( This->dds3, lpDDSD, dwFlags );
		EPILOGUE( hResult );
	}

	// v4 //

	HRESULT __stdcall SetPrivateData( WRAP* This, const GUID & tag, LPVOID pData, DWORD cbSize, DWORD dwFlags )
	{
		PROLOGUE;
		HRESULT hResult = This->dds4->lpVtbl->SetPrivateData( This->dds4, tag, pData, cbSize, dwFlags );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetPrivateData( WRAP* This, const GUID & tag, LPVOID pBuffer, LPDWORD pcbBufferSize )
	{
		PROLOGUE;
		HRESULT hResult = This->dds4->lpVtbl->GetPrivateData( This->dds4, tag, pBuffer, pcbBufferSize );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall FreePrivateData( WRAP* This, const GUID & tag )
	{
		PROLOGUE;
		HRESULT hResult = This->dds4->lpVtbl->FreePrivateData( This->dds4, tag );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetUniquenessValue( WRAP* This, LPDWORD pValue )
	{
		PROLOGUE;
		HRESULT hResult = This->dds4->lpVtbl->GetUniquenessValue( This->dds4, pValue );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall ChangeUniquenessValue( WRAP* This )
	{
		PROLOGUE;
		HRESULT hResult = This->dds4->lpVtbl->ChangeUniquenessValue( This->dds4 );
		EPILOGUE( hResult );
	}

	// v7 //

	HRESULT __stdcall SetPriority( WRAP* This, DWORD prio )
	{
		PROLOGUE;
		HRESULT hResult = This->dds7->lpVtbl->SetPriority( This->dds7, prio );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetPriority( WRAP* This, LPDWORD prio )
	{
		PROLOGUE;
		HRESULT hResult = This->dds7->lpVtbl->GetPriority( This->dds7, prio );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall SetLOD( WRAP* This, DWORD lod )
	{
		PROLOGUE;
		HRESULT hResult = This->dds7->lpVtbl->SetLOD( This->dds7, lod );
		EPILOGUE( hResult );
	}

	HRESULT __stdcall GetLOD( WRAP* This, LPDWORD lod )
	{
		PROLOGUE;
		HRESULT hResult = This->dds7->lpVtbl->GetLOD( This->dds7, lod );
		EPILOGUE( hResult );
	}

	const XVTBL xVtbl1 = {
		QueryInterface,         // 0x00
		AddRef,                 // 0x04
		Release,                // 0x08
		AddAttachedSurface,     // 0x0C
		AddOverlayDirtyRect,    // 0x10
		Blt,                    // 0x14
		BltBatch,               // 0x18
		BltFast,                // 0x1C
		DeleteAttachedSurface,  // 0x20
		EnumAttachedSurfaces,   // 0x24
		EnumOverlayZOrders,     // 0x28
		Flip,                   // 0x2C
		GetAttachedSurface,     // 0x30
		GetBltStatus,           // 0x34
		GetCaps,                // 0x38
		GetClipper,             // 0x3C
		GetColorKey,            // 0x40
		GetDC,                  // 0x44
		GetFlipStatus,          // 0x48
		GetOverlayPosition,     // 0x4C
		GetPalette,             // 0x50
		GetPixelFormat,         // 0x54
		GetSurfaceDesc,         // 0x58
		Initialize,             // 0x5C
		IsLost,                 // 0x60
		Lock,                   // 0x64
		ReleaseDC,              // 0x68
		Restore,                // 0x6C
		SetClipper,             // 0x70
		SetColorKey,            // 0x74
		SetOverlayPosition,     // 0x78
		SetPalette,             // 0x7C
		Unlock,                 // 0x80
		UpdateOverlay,          // 0x84
		UpdateOverlayDisplay,   // 0x88
		UpdateOverlayZOrder,    // 0x8C
		0, // 0x90
		0, // 0x94
		0, // 0x98
		0, // 0x9C
		0, // 0xA0
		0, // 0xA4
		0, // 0xA8
		0, // 0xAC
		0, // 0xB0
		0, // 0xB4
		0, // 0xB8
		0, // 0xBC
		0, // 0xC0
	};

	const XVTBL xVtbl2 = {
		QueryInterface,         // 0x00
		AddRef,                 // 0x04
		Release,                // 0x08
		AddAttachedSurface,     // 0x0C
		AddOverlayDirtyRect,    // 0x10
		Blt,                    // 0x14
		BltBatch,               // 0x18
		BltFast,                // 0x1C
		DeleteAttachedSurface,  // 0x20
		EnumAttachedSurfaces,   // 0x24
		EnumOverlayZOrders,     // 0x28
		Flip,                   // 0x2C
		GetAttachedSurface,     // 0x30
		GetBltStatus,           // 0x34
		GetCaps,                // 0x38
		GetClipper,             // 0x3C
		GetColorKey,            // 0x40
		GetDC,                  // 0x44
		GetFlipStatus,          // 0x48
		GetOverlayPosition,     // 0x4C
		GetPalette,             // 0x50
		GetPixelFormat,         // 0x54
		GetSurfaceDesc,         // 0x58
		Initialize,             // 0x5C
		IsLost,                 // 0x60
		Lock,                   // 0x64
		ReleaseDC,              // 0x68
		Restore,                // 0x6C
		SetClipper,             // 0x70
		SetColorKey,            // 0x74
		SetOverlayPosition,     // 0x78
		SetPalette,             // 0x7C
		Unlock,                 // 0x80
		UpdateOverlay,          // 0x84
		UpdateOverlayDisplay,   // 0x88
		UpdateOverlayZOrder,    // 0x8C
		GetDDInterface,         // 0x90
		PageLock,               // 0x94
		PageUnlock,             // 0x98
		0, // 0x9C
		0, // 0xA0
		0, // 0xA4
		0, // 0xA8
		0, // 0xAC
		0, // 0xB0
		0, // 0xB4
		0, // 0xB8
		0, // 0xBC
		0, // 0xC0
	};

	const XVTBL xVtbl3 = {
		QueryInterface,         // 0x00
		AddRef,                 // 0x04
		Release,                // 0x08
		AddAttachedSurface,     // 0x0C
		AddOverlayDirtyRect,    // 0x10
		Blt,                    // 0x14
		BltBatch,               // 0x18
		BltFast,                // 0x1C
		DeleteAttachedSurface,  // 0x20
		EnumAttachedSurfaces,   // 0x24
		EnumOverlayZOrders,     // 0x28
		Flip,                   // 0x2C
		GetAttachedSurface,     // 0x30
		GetBltStatus,           // 0x34
		GetCaps,                // 0x38
		GetClipper,             // 0x3C
		GetColorKey,            // 0x40
		GetDC,                  // 0x44
		GetFlipStatus,          // 0x48
		GetOverlayPosition,     // 0x4C
		GetPalette,             // 0x50
		GetPixelFormat,         // 0x54
		GetSurfaceDesc,         // 0x58
		Initialize,             // 0x5C
		IsLost,                 // 0x60
		Lock,                   // 0x64
		ReleaseDC,              // 0x68
		Restore,                // 0x6C
		SetClipper,             // 0x70
		SetColorKey,            // 0x74
		SetOverlayPosition,     // 0x78
		SetPalette,             // 0x7C
		Unlock,                 // 0x80
		UpdateOverlay,          // 0x84
		UpdateOverlayDisplay,   // 0x88
		UpdateOverlayZOrder,    // 0x8C
		GetDDInterface,         // 0x90
		PageLock,               // 0x94
		PageUnlock,             // 0x98
		SetSurfaceDesc,         // 0x9C
		0, // 0xA0
		0, // 0xA4
		0, // 0xA8
		0, // 0xAC
		0, // 0xB0
		0, // 0xB4
		0, // 0xB8
		0, // 0xBC
		0, // 0xC0
	};

	const XVTBL xVtbl4 = {
		QueryInterface,         // 0x00
		AddRef,                 // 0x04
		Release,                // 0x08
		AddAttachedSurface,     // 0x0C
		AddOverlayDirtyRect,    // 0x10
		Blt,                    // 0x14
		BltBatch,               // 0x18
		BltFast,                // 0x1C
		DeleteAttachedSurface,  // 0x20
		EnumAttachedSurfaces,   // 0x24
		EnumOverlayZOrders,     // 0x28
		Flip,                   // 0x2C
		GetAttachedSurface,     // 0x30
		GetBltStatus,           // 0x34
		GetCaps,                // 0x38
		GetClipper,             // 0x3C
		GetColorKey,            // 0x40
		GetDC,                  // 0x44
		GetFlipStatus,          // 0x48
		GetOverlayPosition,     // 0x4C
		GetPalette,             // 0x50
		GetPixelFormat,         // 0x54
		GetSurfaceDesc,         // 0x58
		Initialize,             // 0x5C
		IsLost,                 // 0x60
		Lock,                   // 0x64
		ReleaseDC,              // 0x68
		Restore,                // 0x6C
		SetClipper,             // 0x70
		SetColorKey,            // 0x74
		SetOverlayPosition,     // 0x78
		SetPalette,             // 0x7C
		Unlock,                 // 0x80
		UpdateOverlay,          // 0x84
		UpdateOverlayDisplay,   // 0x88
		UpdateOverlayZOrder,    // 0x8C
		GetDDInterface,         // 0x90
		PageLock,               // 0x94
		PageUnlock,             // 0x98
		SetSurfaceDesc,         // 0x9C
		SetPrivateData,         // 0xA0
		GetPrivateData,         // 0xA4
		FreePrivateData,        // 0xA8
		GetUniquenessValue,     // 0xAC
		ChangeUniquenessValue,  // 0xB0
		0, // 0xB4
		0, // 0xB8
		0, // 0xBC
		0, // 0xC0
	};

	const XVTBL xVtbl7 = {
		QueryInterface,         // 0x00
		AddRef,                 // 0x04
		Release,                // 0x08
		AddAttachedSurface,     // 0x0C
		AddOverlayDirtyRect,    // 0x10
		Blt,                    // 0x14
		BltBatch,               // 0x18
		BltFast,                // 0x1C
		DeleteAttachedSurface,  // 0x20
		EnumAttachedSurfaces,   // 0x24
		EnumOverlayZOrders,     // 0x28
		Flip,                   // 0x2C
		GetAttachedSurface,     // 0x30
		GetBltStatus,           // 0x34
		GetCaps,                // 0x38
		GetClipper,             // 0x3C
		GetColorKey,            // 0x40
		GetDC,                  // 0x44
		GetFlipStatus,          // 0x48
		GetOverlayPosition,     // 0x4C
		GetPalette,             // 0x50
		GetPixelFormat,         // 0x54
		GetSurfaceDesc,         // 0x58
		Initialize,             // 0x5C
		IsLost,                 // 0x60
		Lock,                   // 0x64
		ReleaseDC,              // 0x68
		Restore,                // 0x6C
		SetClipper,             // 0x70
		SetColorKey,            // 0x74
		SetOverlayPosition,     // 0x78
		SetPalette,             // 0x7C
		Unlock,                 // 0x80
		UpdateOverlay,          // 0x84
		UpdateOverlayDisplay,   // 0x88
		UpdateOverlayZOrder,    // 0x8C
		GetDDInterface,         // 0x90
		PageLock,               // 0x94
		PageUnlock,             // 0x98
		SetSurfaceDesc,         // 0x9C
		SetPrivateData,         // 0xA0
		GetPrivateData,         // 0xA4
		FreePrivateData,        // 0xA8
		GetUniquenessValue,     // 0xAC
		ChangeUniquenessValue,  // 0xB0
		SetPriority,            // 0xB4
		GetPriority,            // 0xB8
		SetLOD,                 // 0xBC
		GetLOD,                 // 0xC0
	};
};