alt Hacker News1. Familiarity with all GL APIs, but deep focus on 1 or 2.
If you want to work with Windows, probably DirectX.
2. Make awesome shaders. Check this out: https://fragcoord.xyz
I would say being a long-time user of Photoshop and Blender helps a lot. It's not a main tool, but supplemental. Maybe AI will take over some of this though.
Hell, maybe that other stuff too, hahaha!
Why outsource my learning to Al? The whole point is the joy of the process. I could easily take a photo of a scene (since the inception of photography) instead of learning to paint it, but I would gain no skills through that. People still paint. I'm just tired, boss... I yearn for a past when we didn't have to end every conversation with a disclaimer about Al taking over.