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On a headless KDE appliance the session has two outputs — run-headless-kde.sh's `kwin --virtual` bootstrap (where plasmashell draws by default) and our per-session streamed output — so the client saw only the wallpaper of an empty extended output (the KWin analogue of the GNOME/Mutter VIRTUAL_PRIMARY issue). New opt-in PUNKTFUNK_KWIN_VIRTUAL_PRIMARY: after creating the virtual output, set it primary via kscreen-doctor (KWin then re-homes the desktop onto it and disables the bootstrap), then belt-and-suspenders disable anything still enabled. The keepalive re-enables the bootstrap on teardown — though KWin also auto-re-enables it when our output is reclaimed, so there's never a zero-output window. Set in packaging/kde/host.env. Verified live on the Fedora 44 KDE box: mid-session the streamed output is the sole desktop at 0,0; post-session the bootstrap is back. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
18 lines
1.0 KiB
Bash
18 lines
1.0 KiB
Bash
# punktfunk host config for a Fedora/Ubuntu KDE Plasma appliance (kwin backend).
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# Copy to ~/.config/punktfunk/host.env. Pairs with punktfunk-kde-session.service, which brings
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# up a headless `kwin --virtual` on wayland-kde (with KWIN_WAYLAND_NO_PERMISSION_CHECKS=1 so the
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# host can bind KWin's privileged zkde_screencast protocol — an interactive Plasma session will
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# NOT hand that protocol to an external client). The host streams a per-client virtual output
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# from that session, captured zero-copy (dmabuf -> CUDA -> NVENC) on NVIDIA.
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WAYLAND_DISPLAY=wayland-kde
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XDG_CURRENT_DESKTOP=KDE
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PUNKTFUNK_COMPOSITOR=kwin
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PUNKTFUNK_VIDEO_SOURCE=virtual
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PUNKTFUNK_ZEROCOPY=1
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PUNKTFUNK_INPUT_BACKEND=libei
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# Make the per-session streamed output the SOLE desktop, so plasmashell + windows render on it
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# rather than on the headless session's `kwin --virtual` bootstrap output (without this the client
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# sees only the wallpaper of an empty extended output). KWin re-homes the desktop; the bootstrap is
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# re-enabled on teardown.
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PUNKTFUNK_KWIN_VIRTUAL_PRIMARY=1
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