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by emersion 2689 days ago
Wayland doesn't require you to use GPUs. Only wl_shm is in the core protocol, you can build a software-only Wayland compositor without any hacks, with shared memory.

By the way, Wayland has nothing to do with drawing text, lines and icons. You just give Wayland a bunch of pixels.

That said, using the GPU for compositing is often better for performance and battery savings. It doesn't require anything fancy, GLESv2 is used by many Wayland compositors and is widely available, even on old hardware. It doesn't require proprietary blobs.