diff --git a/include/d3d.h b/include/d3d.h
index 6158045a27d..22dafa8a06e 100644
--- a/include/d3d.h
+++ b/include/d3d.h
@@ -1177,8 +1177,11 @@ DECLARE_INTERFACE_(IDirect3DDevice3,IUnknown)
     STDMETHOD(DrawIndexedPrimitive)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType, DWORD d3dvtVertexType, LPVOID lpvVertices, DWORD dwVertexCount, LPWORD dwIndices, DWORD dwIndexCount, DWORD dwFlags) PURE;
     STDMETHOD(SetClipStatus)(THIS_ D3DCLIPSTATUS *clip_status) PURE;
     STDMETHOD(GetClipStatus)(THIS_ D3DCLIPSTATUS *clip_status) PURE;
-    STDMETHOD(DrawPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType,DWORD dwVertexType,LPD3DDRAWPRIMITIVESTRIDEDDATA lpD3DDrawPrimStrideData,DWORD dwVertexCount,DWORD dwFlags) PURE;
-    STDMETHOD(DrawIndexedPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType,DWORD dwVertexType,LPD3DDRAWPRIMITIVESTRIDEDDATA lpD3DDrawPrimStrideData,DWORD dwVertexCount,LPWORD lpIndex,DWORD dwIndexCount,DWORD dwFlags) PURE;
+    STDMETHOD(DrawPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE primitive_type, DWORD fvf,
+            D3DDRAWPRIMITIVESTRIDEDDATA *strided_data, DWORD vertex_count, DWORD flags) PURE;
+    STDMETHOD(DrawIndexedPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE primitive_type, DWORD fvf,
+            D3DDRAWPRIMITIVESTRIDEDDATA *strided_data, DWORD vertex_count, WORD *indices, DWORD index_count,
+            DWORD flags) PURE;
     STDMETHOD(DrawPrimitiveVB)(THIS_ D3DPRIMITIVETYPE primitive_type, struct IDirect3DVertexBuffer *vb,
             DWORD start_vertex, DWORD vertex_count, DWORD flags) PURE;
     STDMETHOD(DrawIndexedPrimitiveVB)(THIS_ D3DPRIMITIVETYPE primitive_type, struct IDirect3DVertexBuffer *vb,
@@ -1322,8 +1325,11 @@ DECLARE_INTERFACE_(IDirect3DDevice7,IUnknown)
     STDMETHOD(DrawIndexedPrimitive)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType, DWORD d3dvtVertexType, LPVOID lpvVertices, DWORD dwVertexCount, LPWORD dwIndices, DWORD dwIndexCount, DWORD dwFlags) PURE;
     STDMETHOD(SetClipStatus)(THIS_ D3DCLIPSTATUS *clip_status) PURE;
     STDMETHOD(GetClipStatus)(THIS_ D3DCLIPSTATUS *clip_status) PURE;
-    STDMETHOD(DrawPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType,DWORD dwVertexType,LPD3DDRAWPRIMITIVESTRIDEDDATA lpD3DDrawPrimStrideData,DWORD dwVertexCount,DWORD dwFlags) PURE;
-    STDMETHOD(DrawIndexedPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE d3dptPrimitiveType,DWORD dwVertexType,LPD3DDRAWPRIMITIVESTRIDEDDATA lpD3DDrawPrimStrideData,DWORD dwVertexCount,LPWORD lpIndex,DWORD dwIndexCount,DWORD dwFlags) PURE;
+    STDMETHOD(DrawPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE primitive_type, DWORD fvf,
+            D3DDRAWPRIMITIVESTRIDEDDATA *strided_data, DWORD vertex_count, DWORD flags) PURE;
+    STDMETHOD(DrawIndexedPrimitiveStrided)(THIS_ D3DPRIMITIVETYPE primitive_type, DWORD fvf,
+            D3DDRAWPRIMITIVESTRIDEDDATA *strided_data, DWORD vertex_count, WORD *indices, DWORD index_count,
+            DWORD flags) PURE;
     STDMETHOD(DrawPrimitiveVB)(THIS_ D3DPRIMITIVETYPE primitive_type, struct IDirect3DVertexBuffer7 *vb,
             DWORD start_vertex, DWORD vertex_count, DWORD flags) PURE;
     STDMETHOD(DrawIndexedPrimitiveVB)(THIS_ D3DPRIMITIVETYPE primitive_type, struct IDirect3DVertexBuffer7 *vb,