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Alright, getting somewhere! I think I've figured out a good code structure for the xray blur. It now correctly works even inside offscreens (opening animation, and when you drag a window targeting the tiling layout), and it should also work properly with the upcoming screen magnifier (that we have in pull requests).
Still not a single blur re-render in this entire video!
you know it's serious when you have to pull out a notebook to figure out the coordinate transforms
Today, got xray working on the closing window animations. The reason this needs special treatment is that when a window closes, niri renders a snapshot of its last visible contents to use for the animation. This happens outside the normal rendering path so I needed to thread through the xray background rendering logic as well as the correct window coordinates (since the xray background needs to know where the window is to draw the correct thing).
Today: implemented (a limited but useful subset of) both ext-background-effect and org-kde-kwin-blur protocols. Clients use these to request blur on their surfaces without having to configure anything in the compositor. These protocols also allow clients to blur only parts of their surfaces, for example here excluding client-side decoration bars and shadows.
Here are three terminals all with their org-kde-kwin-blur setting enabled.
I moved the niri repo from my personal GitHub to a new org: https://github.com/niri-wm/niri
I set up a redirect for GitHub Pages, so hopefully all old links keep working
The primary reason to move to an org is giving granular repo permissions, e.g. let Semper triage and manage issues (who's been doing a fantastic work helping with issues, thanks a ton!). This is unfortunately only possible in organizations and not in personal repos
We'll also add more related repos like awesome-niri to the org