?????IDirect3DDevice9Ex???????????????

visualvisual

?????IDirect3DDevice9??DX???????

D3DXCreateTextureFromFileEx(pD3DDevice , strSrcFile , ImageInfo.Width , ImageInfo.Height , D3DX_FROM_FILE,
                                0, D3DFMT_UNKNOWN , D3DPOOL_MANAGED , D3DX_FILTER_BOX , D3DX_FILTER_BOX ,
                                D3DCOLOR_RGBA(0,0,0,0) , NULL , NULL , &m_pTexture)

?

pD3DDevice->CreateVertexBuffer(nVertexCount * nVertexStructSize , 0 , 0 , D3DPOOL_MANAGED , ppVertexBuffer , NULL)

???????????IDirect3DDevice9Ex????????????????????????????????