Fake Bilinear filtering for pixelated games (almost done, still need help)

Hello, well thanks to everyone at reshade community =)
raven-05.narod.ru/reshade/temp3.fx
this is my custom shader thats emit lineat texture filtering when there is magnification look in action here
and here
and here
and here
and last one
so you can do what ever you want with this shader ,
you can use it as a base for your developments.
To be honest i just want to someone can polish it make it better looking and more accurate ,
coz my brain exploded , i can't find any ways myself on how to improve it =).
Hope you community can do it. As you more advanced developers =).