texture_filter
The option documentation is properly formatted yet
Description: "Texture filter" Default: linear Example: nearest Since: 1.3.8 Type: choice
FS-UAE by default renders the Amiga display as a texture with texture filter set to GL_LINEAR. You can use this option to force GL_NEAREST filter.
Value: nearest (GL_NEAREST) Value: linear (GL_LINEAR)
Source: https://github.com/FrodeSolheim/fs-uae/blob/master/docs/options/texture_filter