diff --git a/include/d3d9.h b/include/d3d9.h
index c6c300490ed..1eca3624940 100644
--- a/include/d3d9.h
+++ b/include/d3d9.h
@@ -1479,10 +1479,19 @@ DECLARE_INTERFACE_(IDirect3DDevice9,IUnknown)
 #define IDirect3DDevice9_CreateQuery(p,a,b)                            (p)->CreateQuery(a,b)
 #endif
 
+
 #ifdef __cplusplus
 extern "C" {
 #endif  /* defined(__cplusplus) */
 
+int         WINAPI D3DPERF_BeginEvent(D3DCOLOR,LPCWSTR);
+int         WINAPI D3DPERF_EndEvent(void);
+DWORD       WINAPI D3DPERF_GetStatus(void);
+BOOL        WINAPI D3DPERF_QueryRepeatFrame(void);
+void        WINAPI D3DPERF_SetMarker(D3DCOLOR,LPCWSTR);
+void        WINAPI D3DPERF_SetOptions(DWORD);
+void        WINAPI D3DPERF_SetRegion(D3DCOLOR,LPCWSTR);
+
 /* Define the main entrypoint as well */
 IDirect3D9* WINAPI Direct3DCreate9(UINT SDKVersion);