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by solarkraft 1758 days ago
Only framebuffers are currently available and a typical Wayland compositor runs through DRI (direct rendering infrastructure), which is a whole bunch more complex.

I haven't ruled out Mutter having a framebuffer backend, but I suspect she just ran it through X, which has one.

Edit: Looks like DRI is there after all: "Sven and the #dri-devel crew helped me spin up #2, which is what I'm using now."(https://twitter.com/alyssarzg/status/1429583864679129098).
1 comments
floatboth 1758 days ago
"DRI" is a fuzzy term :)

What's there is a basic KMS driver, so rather than one single framebuffer, userspace can do pageflips. Mutter can run with a display-only KMS driver + llvmpipe for rendering by now I'm pretty sure. wlroots has landed this feature recently-ish too.

link