It's a legit copy of the game for sure.
Cfg:
# ff7_opengl-0.7.8b config file
# mod directory
# subdirectroy of mods/ where textures will be loaded from
# does not affect the old external textures feature, those should still go in textures/
mod_path = none
# use shaders, if available and supported
# turn shaders off to use the OpenGL 1.1 backend
use_shaders = yes
# plugins
# a movie plugin is required, the music plugin is optional, but required to make FF7Music work
movie_plugin = plugins/ffmpeg_movies.fgp
#music_plugin = plugins/ff7music.fgp
# vertex and fragment shaders
vert_source = shaders/main.vert
frag_source = shaders/main.frag
# YUV fast path shader
yuv_source = shaders/yuv.frag
# post-processing shader, used to apply fullscreen effects
post_source = shaders/bloom2.post
enable_postprocessing = no
# display frames per second counter in upper right corner
show_fps = no
# display some real-time debug information
show_stats = no
# set the window size (and fullscreen resolution) of FF7
# 0 means use original resolution (whatever ff7.exe provides)
# preserve_aspect adds black borders as needed to preserve a 4:3 aspect ratio
window_size_x = 720
window_size_y = 480
preserve_aspect = no
fullscreen = no
# prevent glitches due to rounding errors by rendering in the nearest (larger, if supported)
# multiple of the original resolution and up/down-scaling
prevent_rounding_errors = yes
# check your driver settings if this option doesn't seem to work
enable_vsync = yes
# limit snowboard, coaster and highway minigames to refresh rate / 2, i.e. 30fps for a 60hz display mode
# vsync must be enabled and working for this to have any effect
minigame_framelimiter = on
# same thing, but for the battle swirl
battleswirl_framelimiter = off
# replace FF7's default framelimiter timer source
use_new_timer = yes
# use a more stable (but less accurate) timer to control FF7's framelimiter
# this option has no effect unless the use_new_timer option is on
use_stable_timer = no
# allow FF7 to use linear filtering for its textures
# some things look slightly better with this option on, but alot of textures just lose their detail
linear_filter = off
# make all dialog boxes transparent, same effect as the transparent dialog boxes YAMP patch
transparent_dialogs = off
# allow max hp/mp to go over 9999, same effect as the YAMP patch by dziugo
break_9999limit = no
# include armor in magic defense calculation
mdef_fix = yes
# expand battle viewport to cover entire screen and make the battle menu transparent
new_battle_interface = off
# enable alpha blending for textures without an existing blending effect
fancy_transparency = on
# store external textures in a compressed cache for increased performance
# compression is not lossless, some artifacts may appear when this option is in use
# texture cache does NOT update automatically if the source image changes, however, deleting anything from the cache
# will cause that file to be recreated from the source
compress_textures = yes
# read files directly instead of using LGP archives
# for example; if FF7 is looking for aaab.rsd in char.lgp, this option will make it open direct/char/aaab.rsd first,
# if this file doesn't exist it will look for the original in the LGP archive
# this option should be used for testing only, performance will take a hit
direct_mode = off
# show every failed attempt at loading a .png texture
# this option is for modders only, it's useful to find out which texture to replace and which palettes it needs
show_missing_textures = no
