what are the differences in vue 2014 between open Gl 2.2(shader 4)and open GL (fixed hardware pipeline)? I am using a geforce Titan graphics card that has 6GB RAM.Vue chose open Gl 2.2(shader 4)by default ,so what are the reasons for using one over the other ?Where might I expect see any benefits of one over the other ?Rest of the system is intel i7 4007k 8 thread haswell cpu @4.5GHz and 32 GB RAM 2 x 2TB hard drives.