late response (only an year xd) but I think toggling antialiasing to disabled did the job for me!
https://gyazo.com/846261ac10e663e4126ff36a33ef21ce
top is on, bottom is off
https://gyazo.com/b1443a22c840f73303f9b40dc8978b93
also have to keep in mind, smaller size images will have blurry image for antialiasing on