Low resolution textures on Maya 2018 viewport 2.0

Tools Maya
1

hi,
I was using Maya 2016 and my textures display ok
but in Maya 2018 the textures look really pixelated

low
low.PNG824×631 90.4 KB

2016
low2
low2.PNG873×615 25.4 KB

2

any idea why is there a setting?
thanks in advance,
-alex