Been slowly uploading general graphics related short presentations to this YouTube playlist:
https://www.youtube.com/playlist?list=PLKkGMhjiYwWft02EKMYRcnt7BvOc5adQ8
It's not specific to any particular programming language with some short pseudo-code examples.
Check it our if you're interested. Currently it's mostly relatively beginner-level stuff, but in time I plan to have more advanced level content.