Increase LOD bias for mipmapping
Increase LOD bias for mipmapping

Mipmapping caused too much blurring.

Using a LOD bias of -1 instead of -0.5 seems a better compromise to
avoid low-quality downscaling while keeping sharp edges in any case.

Refs <https://github.com/Genymobile/scrcpy/issues/1394>
Refs <https://github.com/Genymobile/scrcpy/issues/40#issuecomment-591917787>

Genymobile/scrcpy,Genymobile/scrcpy,Genymobile/scrcpy