diff --git a/src/ddsurface.c b/src/ddsurface.c index be89140..55f0ebd 100644 --- a/src/ddsurface.c +++ b/src/ddsurface.c @@ -542,10 +542,12 @@ HRESULT dds_Flip(IDirectDrawSurfaceImpl* This, IDirectDrawSurfaceImpl* lpDDSurfa void* buf = InterlockedExchangePointer(&This->surface, backbuffer->surface); HBITMAP bitmap = (HBITMAP)InterlockedExchangePointer(&This->bitmap, backbuffer->bitmap); HDC dc = (HDC)InterlockedExchangePointer(&This->hdc, backbuffer->hdc); + HANDLE map = (HANDLE)InterlockedExchangePointer(&This->surface_mapping, backbuffer->surface_mapping); InterlockedExchangePointer(&backbuffer->surface, buf); InterlockedExchangePointer(&backbuffer->bitmap, bitmap); InterlockedExchangePointer(&backbuffer->hdc, dc); + InterlockedExchangePointer(&backbuffer->surface_mapping, map); if (g_ddraw->flipclear) {