I did get the toggle-based Reshade fix working, as shown in these screenshots:
4:316:9The method was originally developed by a guy named Zelkar on Steam for FFVIII Remastered, I just adapted it for FFVII. The values in BasicFX.cfg are set for 1920x1080 resolution but you can adjust them if yours is different. It's not very hard to get this fix working, either. Just follow a few steps:
1. Install ReShade to your ff7.exe using the OpenGL option - you only need to install one filter, don't worry about more than that, it'll just cause ReShade to load more slowly
2. Download and unpack this file -
https://drive.google.com/open?id=1Nz5nfODesXwzZVQZrUNb_ETyRNrnWAmu3. Copy the "reshade-shaders" folder to your FFVII directory (same place as ff7.exe)
4. Run FFVII, and in the settings for ReShade (hit Home by default to bring up the overlay), set your toggle key (I used spacebar, but you can use whatever you want).
5. Enjoy! Hit your toggle key to turn the black bar on and off anytime!
Incidentally, if you use something like Joy2Key or PGP, you can set up a profile for FFVII that has a certain button or buttons on your controller (I use the triggers since FFVII itself doesn't use them for anything) activate your ReShade toggle key so you don't even have to use the keyboard to turn the black bar on and off. Just hit your assigned button(s) and off you go!