If DirectDrawCreate gets passed a IDirectDraw{2,4,7} interface, get

this interface and do not use IDirectDraw.

If DirectDrawCreate gets passed a IDirectDraw{2,4,7} interface, get
c9afc46e · Marcus Meissner · Alexandre Julliard · 8a5de1c9 · c9afc46e
Commit c9afc46e authored Dec 14, 2000 by Marcus Meissner Committed by Alexandre Julliard Dec 14, 2000
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main.c dlls/ddraw/main.c +13 -0

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--- a/dlls/ddraw/main.c
+++ b/dlls/ddraw/main.c
@@ -315,6 +315,19 @@ HRESULT WINAPI DirectDrawCreate(
 	    break;
 	ddraw_drivers[drvindex] = NULL; /* mark this one as unusable */
    }
+
+    if (IsEqualGUID( &IID_IDirectDraw2, lpGUID ) ||
+	IsEqualGUID( &IID_IDirectDraw4, lpGUID ) ||
+	IsEqualGUID( &IID_IDirectDraw7, lpGUID )
+    ) {
+	LPVOID x;
+	ret = IDirectDraw_QueryInterface(*lplpDD,lpGUID,&x);
+	IDirectDraw_Release(*lplpDD); /* either drop 1 refcount, or release */
+	if (!ret)
+	    *lplpDD = x;
+	else
+	    return ret;
+    }
    wc.style		= CS_GLOBALCLASS;
    wc.lpfnWndProc	= DDWndProc;
    wc.cbClsExtra	= 0;