UnityEngine.RenderTexture.INTERNAL_CALL_GenerateMips C# (CSharp) Method

        private static extern void INTERNAL_CALL_GenerateMips(RenderTexture self);
        [MethodImpl(MethodImplOptions.InternalCall)]

 public void GenerateMips()
 {
     RenderTexture.INTERNAL_CALL_GenerateMips(this);
 }