Getting GOP Info | UEFI Dev (in C)

Getting GOP (graphics output protocol) mode information, and faffing about a bit.
The next video will have setting the mode, but that's just calling SetMode() from the gop with a mode number.
Notes:
- Day 3.14159/infinity of changing audio settings: Added a noise gate filter for this video, but removed it afterwards, since it didn't really help that much and made things choppier.
- I did try and fix cerr for Reset(cerr, FALSE) to reset stderr, and it still doesn't work. It could be similar to simple pointer protocol where OVMF doesn't have a driver included by default, or stderr isn't connected by default, or something else is wrong.
Links:
uefi.org/specifications (uefi & other specifications)
UEFI Programming playlist:
• UEFI Programming in C
Git Repo:
github.com/queso-fuego/uefi-dev
Repo state at the start of this video:
git clone --recurse-submodules github.com/queso-fuego/uefi-dev
cd uefi-dev
git checkout 6602f47ad24c649b6400015925c4b38601c6a314
Repo state at the end of this video:
git checkout 1fb351194c9f28e93a5ebd072fe9a23c51833544
Next video:
- Making the GOP mode choices into a "scrolling" menu, and setting different GOP modes.
Join the Community Discord: / discord
Contact:
queso_fuego.srht.site/contact.html
- Let me know if there's anything specific you'd like to see!
Questions about setup/software/etc.?
Check the FAQ: queso_fuego.srht.site/about.html
Outline:
0:00:00 Combine printf number functions into 1 function; fail at using stderr
0:23:18 Set up initial empty menu option
0:31:33 Get GOP definitions from UEFI spec
0:58:31 Use LocateProtocol() & QueryMode() to (almost) get GOP info
1:24:40 Fix getting GOP by using pointer, not struct
1:31:32 Up Next & Outro
Music credits:
Winter Night by Sakura Girl | / sakuragirl_official
Music promoted by www.chosic.com/free-music/all/
Creative Commons CC BY 3.0
creativecommons.org/licenses/...
#uefidev #cprogramming #gop

[@mihaicotin3261]

❤❤❤❤❤❤loving the content ! Thanks to your amazing series I made it at College ! You are an amazing person and inspiration

[@QuesoFuego]

Thanks, and that's awesome, congratulations!

[@philtoa334]

Nice.

[@AMith-lv2cv]

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