This reverts commit 77c684c1.

* Add VfsFile and VfsDirectory classes

* Finish abstract Vfs classes

* Implement RealVfsFile (computer fs backend)

* Finish RealVfsFile and RealVfsDirectory

* Finished OffsetVfsFile

* More changes

* Fix import paths

* Major refactor

* Remove double const

* Use experimental/filesystem or filesystem depending on compiler

* Port partition_filesystem

* More changes

* More Overhaul

* FSP_SRV fixes

* Fixes and testing

* Try to get filesystem to compile

* Filesystem on linux

* Remove std::filesystem and document/test

* Compile fixes

* Missing include

* Bug fixes

* Fixes

* Rename v_file and v_dir

* clang-format fix

* Rename NGLOG_* to LOG_*

* Most review changes

* Fix TODO

* Guess 'main' to be Directory by filename

These seem to be just a valid as the GL token values. Thanks @ReinUsesLisp

This restores graphical output to Disgaea 5

It's implemented via the GLSL 'roundEven()' function.

It is unknown at this moment if we actually need to do something with these instructions or if the GLSL compiler takes care of that for us.

Both signed and unsigned variants.

It's similar to the isetp and fsetp instructions but it works on predicates instead.

OpenGL's default behavior is already correct when the GPU is configured to flip the triangles.

This fixes 1-2 Switch's splash screen.

Don't try to configure the color buffer if it is not being cleared, it may not be completely valid at this point.

* voice section updating

* fixed slight offset miscalculation

* fixed overflow

Some games set the full GL define value here (including nouveau), but others just seem to set those last 3 bits.

This fixes Stardew Valley.

This behavior is confirmed by reverse engineering.