include: Add DDHAL_UPDATEOVERLAYDATA structure.
diff --git a/include/ddrawi.h b/include/ddrawi.h
index 40e34aa..8b3b632 100644
--- a/include/ddrawi.h
+++ b/include/ddrawi.h
@@ -592,6 +592,18 @@
     LPRECT			prDestRects;
 } DDHAL_BLTDATA;
 
+typedef struct _DDHAL_UPDATEOVERLAYDATA {
+ LPDDRAWI_DIRECTDRAW_GBL lpDD;
+ LPDDRAWI_DDRAWSURFACE_LCL lpDDDestSurface;
+ RECTL rDest;
+ LPDDRAWI_DDRAWSURFACE_LCL lpDDSrcSurface;
+ RECTL rSrc;
+ DWORD dwFlags;
+ DDOVERLAYFX overlayFX;
+ HRESULT ddRVal;
+ LPDDHALSURFCB_UPDATEOVERLAY UpdateOverlay;
+} DDHAL_UPDATEOVERLAYDATA;
+
 typedef struct _DDHAL_SETPALETTEDATA {
     LPDDRAWI_DIRECTDRAW_GBL	lpDD;
     LPDDRAWI_DDRAWSURFACE_LCL	lpDDSurface;