diff --git a/include/d3d9.h b/include/d3d9.h
index 382b241019d..ce39c10358a 100644
--- a/include/d3d9.h
+++ b/include/d3d9.h
@@ -394,17 +394,17 @@ DECLARE_INTERFACE_(IDirect3DVolume9,IUnknown)
 DECLARE_INTERFACE_(IDirect3DSwapChain9,IUnknown)
 {
     /*** IUnknown methods ***/
-    STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void** ppvObject) PURE;
+    STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE;
     STDMETHOD_(ULONG,AddRef)(THIS) PURE;
     STDMETHOD_(ULONG,Release)(THIS) PURE;
     /*** IDirect3DSwapChain9 methods ***/
-    STDMETHOD(Present)(THIS_ CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion, DWORD dwFlags) PURE;
-    STDMETHOD(GetFrontBufferData)(THIS_ struct IDirect3DSurface9* pDestSurface) PURE;
-    STDMETHOD(GetBackBuffer)(THIS_ UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, struct IDirect3DSurface9** ppBackBuffer) PURE;
-    STDMETHOD(GetRasterStatus)(THIS_ D3DRASTER_STATUS* pRasterStatus) PURE;
-    STDMETHOD(GetDisplayMode)(THIS_ D3DDISPLAYMODE* pMode) PURE;
-    STDMETHOD(GetDevice)(THIS_ struct IDirect3DDevice9** ppDevice) PURE;
-    STDMETHOD(GetPresentParameters)(THIS_ D3DPRESENT_PARAMETERS* pPresentationParameters) PURE;
+    STDMETHOD(Present)(THIS_ CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) PURE;
+    STDMETHOD(GetFrontBufferData)(THIS_ struct IDirect3DSurface9 *pDestSurface) PURE;
+    STDMETHOD(GetBackBuffer)(THIS_ UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, struct IDirect3DSurface9 **ppBackBuffer) PURE;
+    STDMETHOD(GetRasterStatus)(THIS_ D3DRASTER_STATUS *pRasterStatus) PURE;
+    STDMETHOD(GetDisplayMode)(THIS_ D3DDISPLAYMODE *pMode) PURE;
+    STDMETHOD(GetDevice)(THIS_ struct IDirect3DDevice9 **ppDevice) PURE;
+    STDMETHOD(GetPresentParameters)(THIS_ D3DPRESENT_PARAMETERS *pPresentationParameters) PURE;
 };
 #undef INTERFACE
 
@@ -436,6 +436,67 @@ DECLARE_INTERFACE_(IDirect3DSwapChain9,IUnknown)
 #define IDirect3DSwapChain9_GetPresentParameters(p,a)    (p)->GetPresentParameters(a)
 #endif
 
+/*****************************************************************************
+ * IDirect3DSwapChain9Ex interface
+ */
+#define INTERFACE IDirect3DSwapChain9Ex
+DECLARE_INTERFACE_(IDirect3DSwapChain9Ex,IDirect3DSwapChain9)
+{
+    /*** IUnknown methods ***/
+    STDMETHOD_(HRESULT,QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE;
+    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+    STDMETHOD_(ULONG,Release)(THIS) PURE;
+    /*** IDirect3DSwapChain9 methods ***/
+    STDMETHOD(Present)(THIS_ CONST RECT *pSourceRect, CONST RECT *pDestRect, HWND hDestWindowOverride, CONST RGNDATA *pDirtyRegion, DWORD dwFlags) PURE;
+    STDMETHOD(GetFrontBufferData)(THIS_ struct IDirect3DSurface9 *pDestSurface) PURE;
+    STDMETHOD(GetBackBuffer)(THIS_ UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, struct IDirect3DSurface9 **ppBackBuffer) PURE;
+    STDMETHOD(GetRasterStatus)(THIS_ D3DRASTER_STATUS *pRasterStatus) PURE;
+    STDMETHOD(GetDisplayMode)(THIS_ D3DDISPLAYMODE *pMode) PURE;
+    STDMETHOD(GetDevice)(THIS_ struct IDirect3DDevice9 **ppDevice) PURE;
+    STDMETHOD(GetPresentParameters)(THIS_ D3DPRESENT_PARAMETERS *pPresentationParameters) PURE;
+    /*** IDirect3DSwapChain9Ex methods ***/
+    STDMETHOD(GetLastPresentCount)(THIS_ UINT *pLastPresentCount) PURE;
+    STDMETHOD(GetPresentStats)(THIS_ D3DPRESENTSTATS *pPresentationStatistics) PURE;
+    STDMETHOD(GetDisplayModeEx)(THIS_ D3DDISPLAYMODEEX *pMode, D3DDISPLAYROTATION *pRotation) PURE;
+};
+#undef INTERFACE
+
+#if !defined(__cplusplus) || defined(CINTERFACE)
+/*** IUnknown methods ***/
+#define IDirect3DSwapChain9Ex_QueryInterface(p,a,b)      (p)->lpVtbl->QueryInterface(p,a,b)
+#define IDirect3DSwapChain9Ex_AddRef(p)                  (p)->lpVtbl->AddRef(p)
+#define IDirect3DSwapChain9Ex_Release(p)                 (p)->lpVtbl->Release(p)
+/*** IDirect3DSwapChain9 methods ***/
+#define IDirect3DSwapChain9Ex_Present(p,a,b,c,d,e)       (p)->lpVtbl->Present(p,a,b,c,d,e)
+#define IDirect3DSwapChain9Ex_GetFrontBufferData(p,a)    (p)->lpVtbl->GetFrontBufferData(p,a)
+#define IDirect3DSwapChain9EX_GetBackBuffer(p,a,b,c)     (p)->lpVtbl->GetBackBuffer(p,a,b,c)
+#define IDirect3DSwapChain9EX_GetRasterStatus(p,a)       (p)->lpVtbl->GetRasterStatus(p,a)
+#define IDirect3DSwapChain9Ex_GetDisplayMode(p,a)        (p)->lpVtbl->GetDisplayMode(p,a)
+#define IDirect3DSwapChain9Ex_GetDevice(p,a)             (p)->lpVtbl->GetDevice(p,a)
+#define IDirect3DSwapChain9Ex_GetPresentParameters(p,a)  (p)->lpVtbl->GetPresentParameters(p,a)
+/*** IDirect3DSwapChain9Ex methods ***/
+#define IDirect3DSwapChain9Ex_GetLastPresentCount(p,a)   (p)->lpVtbl->GetLastPresentCount(p,a)
+#define IDirect3DSwapChain9Ex_GetPresentStats(p,a)       (p)->lpVtbl->GetPresentStats(p,a)
+#define IDirect3DSwapChain9Ex_GetDisplayModeEx(p,a,b)    (p)->lpVtbl->GetDisplayModeEx(p,a,b)
+#else
+/*** IUnknown methods ***/
+#define IDirect3DSwapChain9Ex_QueryInterface(p,a,b)      (p)->QueryInterface(a,b)
+#define IDirect3DSwapChain9Ex_AddRef(p)                  (p)->AddRef()
+#define IDirect3DSwapChain9Ex_Release(p)                 (p)->Release()
+/*** IDirect3DSwapChain9 methods ***/
+#define IDirect3DSwapChain9Ex_Present(p,a,b,c,d,e)       (p)->Present(a,b,c,d,e)
+#define IDirect3DSwapChain9Ex_GetFrontBufferData(p,a)    (p)->GetFrontBufferData(a)
+#define IDirect3DSwapChain9Ex_GetBackBuffer(p,a,b,c)     (p)->GetBackBuffer(a,b,c)
+#define IDirect3DSwapChain9Ex_GetRasterStatus(p,a)       (p)->GetRasterStatus(a)
+#define IDirect3DSwapChain9Ex_GetDisplayMode(p,a)        (p)->GetDisplayMode(a)
+#define IDirect3DSwapChain9Ex_GetDevice(p,a)             (p)->GetDevice(a)
+#define IDirect3DSwapChain9Ex_GetPresentParameters(p,a)  (p)->GetPresentParameters(a)
+/*** IDirect3DSwapChain9Ex methods ***/
+#define IDirect3DSwapChain9Ex_GetLastPresentCount(p,a)   (p)->GetLastPresentCount(a)
+#define IDirect3DSwapChain9Ex_GetPresentStats(p,a)       (p)->GetPresentStats(a)
+#define IDirect3DSwapChain9Ex_GetDisplayModeEx(p,a,b)    (p)->GetDisplayModeEx(a,b)
+#endif
+
 /*****************************************************************************
  * IDirect3DResource9 interface
  */
diff --git a/include/d3d9types.h b/include/d3d9types.h
index cdd3ada0fe0..4cc1195acf7 100644
--- a/include/d3d9types.h
+++ b/include/d3d9types.h
@@ -1559,6 +1559,16 @@ typedef enum _D3DCOMPOSERECTSOP{
     D3DCOMPOSERECTS_NEG,
     D3DCOMPOSERECTS_FORCE_DWORD = 0x7fffffff
 } D3DCOMPOSERECTSOP;
+
+typedef struct _D3DPRESENTSTATS
+{
+    UINT          PresentCount;
+    UINT          PresentRefreshCount;
+    UINT          SyncRefreshCount;
+    LARGE_INTEGER SyncQPCTime;
+    LARGE_INTEGER SyncGPUTime;
+} D3DPRESENTSTATS;
+
 #endif /* D3D_DISABLE_9EX */
 
 typedef enum _D3DSHADER_COMPARISON