diff --git a/include/d3d.h b/include/d3d.h
index b9fdde9ca34..4f1ffba0752 100644
--- a/include/d3d.h
+++ b/include/d3d.h
@@ -213,7 +213,7 @@ DECLARE_INTERFACE_(IDirect3D,IUnknown)
     /*** IDirect3D methods ***/
     STDMETHOD(Initialize)(THIS_ REFIID riid) PURE;
     STDMETHOD(EnumDevices)(THIS_ LPD3DENUMDEVICESCALLBACK lpEnumDevicesCallback, LPVOID lpUserArg) PURE;
-    STDMETHOD(CreateLight)(THIS_ LPDIRECT3DLIGHT *lplpDirect3DLight, IUnknown *pUnkOuter) PURE;
+    STDMETHOD(CreateLight)(THIS_ struct IDirect3DLight **light, IUnknown *outer) PURE;
     STDMETHOD(CreateMaterial)(THIS_ struct IDirect3DMaterial **material, IUnknown *outer) PURE;
     STDMETHOD(CreateViewport)(THIS_ struct IDirect3DViewport **viewport, IUnknown *outer) PURE;
     STDMETHOD(FindDevice)(THIS_ LPD3DFINDDEVICESEARCH lpD3DDFS, LPD3DFINDDEVICERESULT lplpD3DDevice) PURE;
@@ -259,7 +259,7 @@ DECLARE_INTERFACE_(IDirect3D2,IUnknown)
     STDMETHOD_(ULONG,Release)(THIS) PURE;
     /*** IDirect3D2 methods ***/
     STDMETHOD(EnumDevices)(THIS_ LPD3DENUMDEVICESCALLBACK lpEnumDevicesCallback, LPVOID lpUserArg) PURE;
-    STDMETHOD(CreateLight)(THIS_ LPDIRECT3DLIGHT *lplpDirect3DLight, IUnknown *pUnkOuter) PURE;
+    STDMETHOD(CreateLight)(THIS_ struct IDirect3DLight **light, IUnknown *outer) PURE;
     STDMETHOD(CreateMaterial)(THIS_ struct IDirect3DMaterial2 **material, IUnknown *outer) PURE;
     STDMETHOD(CreateViewport)(THIS_ struct IDirect3DViewport2 **viewport, IUnknown *outer) PURE;
     STDMETHOD(FindDevice)(THIS_ LPD3DFINDDEVICESEARCH lpD3DDFS, LPD3DFINDDEVICERESULT lpD3DFDR) PURE;
@@ -307,7 +307,7 @@ DECLARE_INTERFACE_(IDirect3D3,IUnknown)
     STDMETHOD_(ULONG,Release)(THIS) PURE;
     /*** IDirect3D3 methods ***/
     STDMETHOD(EnumDevices)(THIS_ LPD3DENUMDEVICESCALLBACK lpEnumDevicesCallback, LPVOID lpUserArg) PURE;
-    STDMETHOD(CreateLight)(THIS_ LPDIRECT3DLIGHT *lplpDirect3DLight, IUnknown *pUnkOuter) PURE;
+    STDMETHOD(CreateLight)(THIS_ struct IDirect3DLight **light, IUnknown *outer) PURE;
     STDMETHOD(CreateMaterial)(THIS_ struct IDirect3DMaterial3 **material, IUnknown *outer) PURE;
     STDMETHOD(CreateViewport)(THIS_ struct IDirect3DViewport3 **viewport, IUnknown *outer) PURE;
     STDMETHOD(FindDevice)(THIS_ LPD3DFINDDEVICESEARCH lpD3DDFS, LPD3DFINDDEVICERESULT lpD3DFDR) PURE;
@@ -662,9 +662,9 @@ DECLARE_INTERFACE_(IDirect3DViewport,IUnknown)
     STDMETHOD(SetBackgroundDepth)(THIS_ IDirectDrawSurface *surface) PURE;
     STDMETHOD(GetBackgroundDepth)(THIS_ IDirectDrawSurface **surface, BOOL *valid) PURE;
     STDMETHOD(Clear)(THIS_ DWORD dwCount, LPD3DRECT lpRects, DWORD dwFlags) PURE;
-    STDMETHOD(AddLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(DeleteLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(NextLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight, LPDIRECT3DLIGHT *lplpDirect3DLight, DWORD dwFlags) PURE;
+    STDMETHOD(AddLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(DeleteLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(NextLight)(THIS_ IDirect3DLight *ref, IDirect3DLight **light, DWORD flags) PURE;
 };
 #undef INTERFACE
 
@@ -730,9 +730,9 @@ DECLARE_INTERFACE_(IDirect3DViewport2,IDirect3DViewport)
     STDMETHOD(SetBackgroundDepth)(THIS_ IDirectDrawSurface *surface) PURE;
     STDMETHOD(GetBackgroundDepth)(THIS_ IDirectDrawSurface **surface, BOOL *valid) PURE;
     STDMETHOD(Clear)(THIS_ DWORD dwCount, LPD3DRECT lpRects, DWORD dwFlags) PURE;
-    STDMETHOD(AddLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(DeleteLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(NextLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight, LPDIRECT3DLIGHT *lplpDirect3DLight, DWORD dwFlags) PURE;
+    STDMETHOD(AddLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(DeleteLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(NextLight)(THIS_ IDirect3DLight *ref, IDirect3DLight **light, DWORD flags) PURE;
     /*** IDirect3DViewport2 methods ***/
     STDMETHOD(GetViewport2)(THIS_ LPD3DVIEWPORT2 lpData) PURE;
     STDMETHOD(SetViewport2)(THIS_ LPD3DVIEWPORT2 lpData) PURE;
@@ -806,9 +806,9 @@ DECLARE_INTERFACE_(IDirect3DViewport3,IDirect3DViewport2)
     STDMETHOD(SetBackgroundDepth)(THIS_ IDirectDrawSurface *surface) PURE;
     STDMETHOD(GetBackgroundDepth)(THIS_ IDirectDrawSurface **surface, BOOL *valid) PURE;
     STDMETHOD(Clear)(THIS_ DWORD dwCount, LPD3DRECT lpRects, DWORD dwFlags) PURE;
-    STDMETHOD(AddLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(DeleteLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight) PURE;
-    STDMETHOD(NextLight)(THIS_ LPDIRECT3DLIGHT lpDirect3DLight, LPDIRECT3DLIGHT *lplpDirect3DLight, DWORD dwFlags) PURE;
+    STDMETHOD(AddLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(DeleteLight)(THIS_ IDirect3DLight *light) PURE;
+    STDMETHOD(NextLight)(THIS_ IDirect3DLight *ref, IDirect3DLight **light, DWORD flags) PURE;
     /*** IDirect3DViewport2 methods ***/
     STDMETHOD(GetViewport2)(THIS_ LPD3DVIEWPORT2 lpData) PURE;
     STDMETHOD(SetViewport2)(THIS_ LPD3DVIEWPORT2 lpData) PURE;