IDirect3D9::GetDeviceCaps Retrieves device-specific information about a device. HRESULT GetDeviceCaps( UINT Adapter, D3DDEVTYPE DeviceType, D3DCAPS9 * pCaps ); Parameters Adapter [in] Ordinal number that denotes the display adapter. D3DADAPTER_DEFAULT is always the primary display adapter. DeviceType [in] Member of the D3DDEVTYPE enumerated type. Denotes the device type. pCaps [out] Pointer to a..