void  SetTextureFiltering(int anisotropic,bool mipmap,int filtering)

anisotropic: Value of texture anisotroy. I can not be more then the maximum from DDDengine.caps.maxanisotropic. If it is 0, so the anisotropic will be disabled.

Note: The larger value decreases the speed.

mipmap: mipmap is enabled

filtering:

   D3DTEXF_POINT         :  sharp textures

   D3DTEXF_LINEAR         :  smoothed textures