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Split the docs' single distro×desktop axis (ubuntu-gnome / ubuntu-kde / fedora-kde) into two,
which deduplicates the shared mechanics and scales to distros that run several desktops (Arch):
- Install the host — per distro/OS (ubuntu, fedora, arch, bazzite, steamos-host, windows-host):
GPU driver + package + input group, then a canonical "Configure your desktop" funnel.
- Configure your desktop — per compositor (kde, gnome, gamescope, sway): host.env, compositor
quirks, the headless session, and starting the host.
New shared web-console page (enable · login password · arm pairing) removes the console/password
block that was copy-pasted across all seven host pages. Merged ubuntu-gnome + ubuntu-kde into
ubuntu; renamed fedora-kde to fedora; kept bazzite and steamos-host as dedicated appliance guides
(trimmed of duplication). Moved the KWin headless session, the GNOME EGL/lock traps, and the
gamescope attach/managed model out of the distro pages onto their compositor pages.
Fixed while restructuring: distro-specific paths on kde (kde-desktop-setup.sh is Fedora/Bazzite-only;
the .deb ships host.env.kde under /usr/share/punktfunk-host), the interactive "start the host" step
that was lost in the merge, sway over-claiming Hyprland, and a pre-existing broken anchor in
how-it-works.
Removal of the three old pages was captured by the preceding commit 8ebb614 (a concurrent commit
swept up the staged git-rm); the net docs tree is correct. Fumadocs build + internal link/anchor
check green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
69 lines
2.9 KiB
Markdown
69 lines
2.9 KiB
Markdown
---
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title: Sway / wlroots
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description: Configure a punktfunk host on a wlroots compositor (Sway, Hyprland).
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---
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The wlroots family can host — but **Sway is the only validated path.** The host adds a per-client
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headless output at the client's exact mode and captures it through the xdg-desktop-portal-wlr (xdpw)
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ScreenCast portal, injecting input via the wlroots virtual pointer/keyboard protocols. Hyprland and
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other wlroots compositors are best-effort (see [How it works](#how-it-works) for the caveat).
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This is **not a primary target.** It works and is validated live on **sway 1.11** (zero-copy), but it
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sees far less testing than the KDE and GNOME paths — expect rougher edges. If you have a choice,
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[KDE](/docs/kde) or [GNOME](/docs/gnome) are the better-exercised desktops.
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This page assumes the package is already installed — see [Arch](/docs/arch), [Ubuntu](/docs/ubuntu),
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or [Fedora](/docs/fedora).
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> New here? Read [Security & Safe Use](/docs/security) first — a streaming host is remote control of
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> the machine, so keep it on a trusted LAN or VPN and require pairing.
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## host.env
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The host auto-detects a wlroots session, so you usually need nothing here. To force the backend, set
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these in `~/.config/punktfunk/host.env`:
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```ini
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PUNKTFUNK_COMPOSITOR=wlroots # aliases: sway, hyprland
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PUNKTFUNK_INPUT_BACKEND=wlr
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PUNKTFUNK_VIDEO_SOURCE=virtual
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PUNKTFUNK_ZEROCOPY=1 # GPU zero-copy capture→encode; auto-falls back to CPU
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```
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See [Configuration](/docs/configuration) for the full reference.
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## How it works
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- **Video** — the host adds a headless output at the client's exact mode with `swaymsg create_output`.
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This uses Sway's IPC specifically; other wlroots compositors (Hyprland, …) don't expose an
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equivalent, so virtual-output creation isn't wired up for them yet — Sway is the supported wlroots
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path today.
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- **Capture** — it captures that output through the **xdg-desktop-portal-wlr (xdpw)** ScreenCast
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portal. The host writes a managed chooser config so the output pick is automatic — no interactive
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picker dialog to answer.
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- **Input** — mouse and keyboard are injected via the wlroots **virtual pointer** and **virtual
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keyboard** protocols.
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For how long the virtual output lives, and extend-vs-exclusive topology, see
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[Virtual displays](/docs/virtual-displays).
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## Requirements
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- A running wlroots session (Sway, Hyprland, …).
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- **xdg-desktop-portal-wlr (xdpw)** installed and running — the host captures through its ScreenCast
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portal. Without it there is no video.
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## Start the host
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With the backend selected, start the host from **inside your Sway session**:
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```sh
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systemctl --user enable --now punktfunk-host
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journalctl --user -u punktfunk-host -f
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```
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## Bring up the console and pair
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Enable the web console, read its login password, and arm PIN pairing — see
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[The Web Console](/docs/web-console). Then [connect a client](/docs/clients).
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