SkyGfx (Sky is the PS2 name for RenderWare, any semblance of a real sky is purely coincidental) brings PS2 and Xbox accurate graphics to the PC version of San Andreas. You can find all the details about the project here.
What's new in version 4.2a (2020-03-26): - Fixed issues with timecycle alpha value. This fixes a visual bug that occurred when using the PC color filter with the PS2 version of the timecycp.dat file. - Fixed screen dimming filter
What's new in version 4.2 (2020-01-07): - Fixed a bug with inverted car reflections when using Env. Now they do not darken in a bright environment. - Implemented per-pixel effects for Env - Added even more settings to the ini file - Improved compatibility with GTA Underground
What's new in version 4.1 (2019-12-24): - Implemented shader emissions - Added more settings to ini file - Implemented a new car rendering method: Env. It combines the best of Neo, Mobile and PS2 methods.
What's new in version 4.0 (2018-12-12): - Mobile reflections on cars - Fixed leeds(GTA LCS/VCS) reflections on auto - Slightly modified neo cars (changed carTweakingTable.dat) - New realtime reflection rendering features (neo, leeds, mobile) (may cause problems!) - Disabled wheel reflections - Removed "PC" building reflections and replaced with XBOX style - Fixed distribution of building reflections (fixes parachute bugs on PC) - Fixed tags (graffiti?) - Fixed neo water/blood drops (thanks to ThirteenAG)
Installation: Move the contents of the SkyGfx_SA_4.2a folder to the root of your game, after installing CLEO 4.