35 lines
1.7 KiB
Bash
35 lines
1.7 KiB
Bash
#!/bin/sh
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# regreet-session.sh — greetd session command: run ReGreet inside a cage kiosk.
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#
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# greetd runs this as the unprivileged `greeter` user. cage is a minimal
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# wlroots/Wayland compositor; `-s` allows VT switching (so Ctrl+Alt+F-keys still
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# reach a console). Env here tunes the greeter's look/behaviour before ReGreet starts.
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#
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# Scaling: cage renders at output scale 1. Bump XCURSOR_SIZE for a larger cursor;
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# uncomment GDK_SCALE to integer-scale the whole greeter (careful on mixed-DPI
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# multi-monitor — it scales every output). Prefer regreet.toml's font_name for
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# finer control.
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export XCURSOR_SIZE=32
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# export GDK_SCALE=2
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# ── Multi-GPU: pin the greeter to a DRM card that actually drives a monitor ─────
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# On a dual-GPU box (dGPU + iGPU) wlroots enumerates both cards and may pick the
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# display-less one, giving a blank or input-frozen greeter. Hand it only the first
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# card that has a connected output. Evaluated live, so it stays portable across
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# boots and machines (no hard-coded PCI path).
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for _status in /sys/class/drm/card[0-9]*-*/status; do
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[ "$(cat "$_status" 2>/dev/null)" = "connected" ] || continue
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_card="/dev/dri/$(basename "$(dirname "$_status")" | cut -d- -f1)"
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[ -e "$_card" ] && { WLR_DRM_DEVICES="$_card"; export WLR_DRM_DEVICES; break; }
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done
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# amdgpu hardware cursors can freeze on this hardware (the cursor sticks and input
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# feels dead); software cursors are reliable.
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export WLR_NO_HARDWARE_CURSORS=1
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# cage's default is "-m extend", which stretches one canvas across every monitor and
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# leaves ReGreet's login card floating in the middle of the whole multi-monitor span.
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# "-m last" renders on a single output instead, so the card is centred on one screen.
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exec cage -s -m last -- regreet
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