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DeeJanuzandClaude Opus 5.5
e2abaa06b6
- The runtime files move to /run/user/UID/frametop-hands/: the desktop session deletes /run/user/UID/frametop at every start. - The cutout copy shader runs at highp: mediump (16-bit on Adreno) stepped 1.7 texels across a 3440-pixel screen. - One hand no longer pinches both sides after its left/right call flips mid-pinch, and --pinch-palm-down (0.6) holds back pinches with the palm facing down (typing on a lap keyboard). - ft-camd judges a colour frame fresh by its luma rows only, and logs per-buffer changes at stale colour frames with FT_CAMD_DEBUG=1. - hands/run.sh caps skips the setcap when ft-camd already has them. - The replay tool dumps poses (--poses), and its pinch events carry the hand id. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
61 lines
2.9 KiB
Bash
Executable File
61 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Install, start, stop, or inspect hand tracking on the Frame: ft-camd (the camera broker) and
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# ft-hands (the tracker), user services that start and stop with SteamVR.
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# Usage: hands/run.sh install|uninstall
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# hands/run.sh caps # give ft-camd its capabilities again (a rebuild clears them)
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# hands/run.sh start|stop|restart|status|log [lines]
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# install and caps need the password (sudo setcap, once per build of ft-camd). On the Frame,
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# sudo asks in the terminal. From a PC (or with no terminal), the password comes from
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# steamos_root_pwd in the repo's .env and is sent to sudo -S on stdin, never on a command line.
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set -euo pipefail
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root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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. "$root/scripts/_env.sh"
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frame="$root/scripts/frame.sh"
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units="frametop-camd.service frametop-hands.service"
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# pidfd_getfd on XRService (ptrace_scope=1), system-wide tracepoints, and their root-only
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# format files. ft-camd drops them all once it has set up.
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caps=cap_sys_ptrace,cap_perfmon,cap_dac_read_search+ep
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sudo_run() {
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if [ "$FRAME_LOCAL" = 1 ] && [ -t 0 ]; then
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sudo bash -c "$1" # asks for the password here
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return
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fi
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local pw
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pw=$(sed -n 's/^steamos_root_pwd=//p' "$root/.env" 2>/dev/null)
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pw=${pw#[\"\']}; pw=${pw%[\"\']} # .env values may be quoted
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[ -n "$pw" ] || { echo "no terminal for sudo, and steamos_root_pwd is missing from $root/.env" >&2; exit 1; }
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printf '%s\n' "$pw" | on_frame "sudo -S -p '' bash -c $(printf %q "$1")"
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}
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set_caps() { # only when missing: a rebuild clears them, a reinstall doesn't
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local bin
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bin=$(printf %q "$FRAME_REPO/hands/build/ft-camd")
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if on_frame "getcap $bin | grep -q cap_sys_ptrace"; then
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echo "ft-camd has its capabilities"
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return
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fi
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sudo_run "setcap $caps $bin && getcap $bin"
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}
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states="for u in $units; do echo \"\$u: \$(systemctl --user is-active \$u)\"; done"
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case ${1:-status} in
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install)
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"$root/hands/build.sh"
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set_caps
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for u in $units; do
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fill_template "$root/hands/$u" | on_frame "mkdir -p ~/.config/systemd/user && cat > ~/.config/systemd/user/$u"
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done
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"$frame" --host "set -e; systemctl --user daemon-reload; systemctl --user enable $units
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if systemctl --user -q is-active steamvr.service; then systemctl --user restart $units; sleep 5; fi
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$states" ;;
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caps) set_caps ;;
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uninstall) "$frame" --host "systemctl --user disable --now $units 2>/dev/null
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for u in $units; do rm -f ~/.config/systemd/user/\$u; done; systemctl --user daemon-reload; echo removed" ;;
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start|stop|restart) "$frame" --host "systemctl --user $1 $units; $states" ;;
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status) "$frame" --host "$states; journalctl --user -u frametop-hands.service --no-pager -o cat -n 4" || true ;;
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log) "$frame" --host "journalctl --user -u frametop-camd.service -u frametop-hands.service --no-pager -o short -n ${2:-30}" ;;
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*) echo "usage: $0 install|uninstall|caps|start|stop|restart|status|log [lines]" >&2; exit 2 ;;
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esac
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