Commit Graph

2 Commits

Author SHA1 Message Date
enricobuehler 61aa1053e7 feat(host/gamescope): headless game mode that follows the box + matches the client
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Make Steam game mode work on a display-less streaming host and stream it at the
client's resolution:

* Ship /etc/gamescope-session-plus/sessions.d/steam (packaging/bazzite/
  gamescope-headless-session, installed by the RPM + Arch PKGBUILD): fall back to
  gamescope's headless backend when no display is connected, so "Switch to Game
  Mode" boots offscreen instead of crashing on the missing panel (and 5-striking
  back to desktop). No-op on display-attached boxes; only sets unset values so
  the host's per-client mode still wins.

* Default Bazzite/SteamOS to ATTACH (PUNKTFUNK_GAMESCOPE_ATTACH=1 in host.env):
  the box owns its session (Desktop<->Game, persistent), the host follows +
  captures it and never tears it down — so switching is rock-solid and a
  disconnect leaves the box in its mode (reconnect returns there).

* Resize-on-attach (gamescope.rs): on connect, ensure the box's own game-mode
  session runs at the CLIENT's resolution — reuse it when already matching (fast
  path, no restart), else reconfigure + restart the box's own autologin
  gamescope-session-plus@<client> at the client mode (cooperative: no competing
  unit, so no autologin-respawn fight). Detect the live gamescope's -W/-H via
  argv[0] in /proc (its /proc/<pid>/exe is unreadable for that process).

Validated live on a headless bazzite-deck-nvidia box: game mode boots headless +
stable (0 strikes); the host attaches + streams video/audio/EIS input; a
5120x1440 client reuses the matching session and streams at 5120x1440.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-28 11:09:45 +00:00
enricobuehler 38c68c33e5 refactor(windows-host): confine platform code under windows/ + linux/ folders (Goal-1 stage 6)
Move 36 platform-specific files into per-module `windows/` and `linux/` subfolders (and the
shared HID codecs into `inject/proto/`):
  capture/{windows,linux}/  encode/{windows,linux}/  inject/{windows,linux,proto}/
  audio/{windows,linux}/  vdisplay/{windows,linux}/
  src/windows/ (service, wgc_helper, win_adapter, win_display)
  src/linux/  (dmabuf_fence, drm_sync, zerocopy/)

Done with `#[path]`, NOT a module rename: every file moves into its folder while the
`crate::*::*` module names stay FLAT, so all caller paths and every internal `super::`/`crate::`
reference are unchanged — only the parent `mod` decls gained `#[path = "..."]`. This is the
codebase's existing pattern (inject's gamepad_windows) and makes the move byte-identical in
behaviour with ZERO reference churn, far lower risk than collapsing to a single
`crate::capture::windows::` namespace (that deeper rename is an optional follow-on; this delivers
the cfg-sprawl folder confinement the stage is about). Done LAST, after the semantic stages, so
the path churn didn't fight them.

Verified: Linux cargo check + clippy (-D warnings) clean; my mod-decl changes fmt-clean (the 3
remaining fmt diffs are pre-existing local-rustfmt-version skew that moved with their files); all
36 `#[path]` targets exist; no internal `#[path]`/`include!`/file-child-mod in any moved file
(the inline `mod X {` blocks are self-contained). Box build to follow.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-25 18:53:45 +00:00