STDMETHOD_(UINT, GetNumInterfaceSlots)(THIS) PURE;
STDMETHOD(GetMinFeatureLevel)(THIS_ enum D3D_FEATURE_LEVEL *level) PURE;
STDMETHOD_(UINT, GetThreadGroupSize)(THIS_ UINT *sizex, UINT *sizey, UINT *sizez) PURE;
+ STDMETHOD_(UINT64, GetRequiresFlags)(THIS) PURE;
};
#undef INTERFACE