Commit Graph
44 Commits
Author SHA1 Message Date
Kurt Himebauch d29a1a2dc2 ci: build and test on root self-hosted runners (#2237) 2026-11-07 17:02:19 -05:00
MaxsTechReview be0fe35271 fix(proot): let the fast path fall back when Android 10 refuses statx (#2224) 2026-11-07 15:48:44 -05:00
Kurt Himebauch aba55031c3 perf: answer chown and bound thermal paths through the proot fast path (#2203) 2026-11-07 01:08:06 -05:00
MaxsTechReview c5577478ca chore: remove source comments and unused code, translate every missing string (#1965)
* chore(i18n): translate every missing string in all locales

Adds the 87 strings the bottom-screen Dashboard and in-game stats pages
introduced to all 32 locales, plus the 51 older settings strings Japanese
and the 50 Chinese locales were still missing. Every locale now has all
3456 translatable strings with the same placeholders as English.

Also translates 36 entries that were still English where the language
does not use the English word, and makes es-419 touch_app_id use the same
%1$s placeholder as English.

* chore(patches): drop comments from the lines downstream patches add

Removes comment lines and trailing comments from lines our patches add,
with hunk headers recounted. Lines that a later patch uses as context
and the upstream backport 0123 are left as they are.

The gamescope, FEX, proot and xodus series still apply to their pinned
sources, and the patched trees differ only in those comments.
test_hud_frames now finds the HUD writer by its first declaration.

* docs: credit Greenlight, Better xCloud, viture-v2, GameNative and DiRTTelemetryErrorFix

These were credited only in source headers and NOTICE files.

* chore: remove source comments and unused functions

Removes explanatory comments from first-party Kotlin, Java, C, C++,
Rust, TypeScript, Python, shell, Gradle, CMake and workflow files.
License and attribution headers stay, and vendored third-party trees,
generated files and license files are untouched. A shellcheck directive
is kept, and udevmon's fallthrough comments became fallthrough attributes.

Syntax trees and token streams match the previous sources apart from the
comments and Python docstrings. Module docstrings that argparse prints
are kept, and device-smoke.sh prints the same --help text from a heredoc.

Also removes 37 functions and 4 fields that nothing referenced.

* chore: remove comments from the Syncthing integration and the latest main sources

* docs: credit Syncthing and the syncthing-android fork

* chore(i18n): translate the Syncthing strings in all locales

The 107 strings the Syncthing integration added are now in all 32 locales.
sync_web_path_locked names the Syncthing tab by its label.

* docs: credit @xXJSONDeruloXx for the HUD metric readers

The CPU, GPU load, thermal and battery readers come from their
PerformanceHudView pull requests #777, #877, #991, #1406 and #1573.
The FusionHUD credit line is unchanged.

* docs: credit the HUD metric readers to @xXJSONDeruloXx's work
2026-11-01 16:27:27 -05:00
MaxsTechReview 28067b3bbe Run x86_64 Flatpak apps through FEX (#1875)
* Run x86_64 Flatpak apps through FEX

* proot: run an execveat with an absolute path like execve

* Find x86_64 Flatpak installs and resolve sandbox paths like the sandbox does
2026-10-30 21:21:22 -04:00
MaxsTechReview 29c83976d0 Move the Linux runtime to Ubuntu 26.04 LTS with a separate Kubuntu desktop (#1733) 2026-10-29 09:05:20 -04:00
MaxsTechReview e9e0186e66 perf(fex): answer raw stat, readlink and statx syscalls through the proot fast path (#1757)
* perf(fex): answer raw stat, readlink and statx syscalls through the proot fast path

FEX issues newfstatat, readlinkat and statx as raw syscall() calls, which skipped the libc wrappers the fast path hooks and fell through to ptrace. Route them through libblfastpath the same way raw openat already is, and keep the fast path's own /proc/self/exe lookup off the hooked syscall().

* test(fex): keep the raw lookup test passing on kernels without statx
2026-10-29 07:25:39 -04:00
Kurt Himebauch 27bdc68867 ci: faster pipeline and fewer network flakes (#1719) 2026-10-28 11:31:20 -04:00
Kurt Himebauch 2c3c135b52 test(proot): address benchmark review findings 2026-10-28 10:19:29 -04:00
Kurt Himebauch ac8d97e098 test(proot): target memory patch access denial 2026-10-28 10:11:05 -04:00
Kurt Himebauch 4998b04636 fix(proot): harden relay state and unwinding 2026-10-28 10:06:44 -04:00
Kurt Himebauch ddb8ed32cb test(proot): record expanded relay validation 2026-10-28 08:05:50 -04:00
Kurt Himebauch 40b7c480a3 fix(build): mirror pinned talloc downloads 2026-10-28 07:44:59 -04:00
Kurt Himebauch 9a8f54dee7 fix(proot): preserve cleared robust-list state 2026-10-28 07:31:52 -04:00
Kurt Himebauch c62b9b5d1b perf(proot): expand and cache syscall relays 2026-10-28 07:17:53 -04:00
Kurt Himebauch 785d1bf1da perf(proot): enable syscall patching by default 2026-10-27 14:29:58 -04:00
Kurt Himebauch 4b230cbd0f perf(proot): add opt-in glibc syscall patching 2026-10-27 14:06:52 -04:00
Kurt Himebauch 815b93db5f feat: profile PRoot costs and test fast-path libraries without an APK rebuild (#1528) 2026-10-25 16:49:35 -04:00
597402107d [FIX] statx call on old kernels < 4.11 (#947)
* [FIX]
Fix git statx call on old kernels < 4.11 for correct using of "Fast proot path"

Issue
https://github.com/Droid-Deck/DroidDeck/issues/770

* [FIX]
fix: don't call major() from the proot fast path

* fix: preserve statx fallback request semantics

* fix statx fallback argument handling

* fix: silence statx null check warning

---------

Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>
Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>
2026-10-25 12:42:51 -04:00
MaxsTechReviewandKurt Himebauch 006db14561 perf: SD card library files resolve through the fast path instead of proot (#1331)
perf: files in an SD card library resolve through the fast path instead of proot

A library bound at several guest names (droiddeck-sd, bannerlator-sd and
case variants) made every symlink and /proc/self/fd readlink under it fall
back to proot. The fast path now orders its binds the way proot does and
gives each host path the name proot would, and lstat("link/.") follows
the link as the kernel does.

Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>
2026-10-22 19:11:29 +00:00
MaxsTechReview 3305724f06 perf: FEX's file lookups and opens go through the fast path instead of proot (#1283)
* perf: FEX's in-root path lookups go through the fast path instead of proot

Android has no openat2, so libblsession walks RESOLVE_IN_ROOT lookups for
FEX one component at a time. Every fstatat, readlinkat and openat in that
walk was a raw syscall that stopped in proot. When libblfastpath is loaded,
the walk now calls its fstatat, readlinkat and openat, which answer without
proot and fall back to the raw syscall themselves. Without it the walk uses
the raw syscalls as before.

One lookup drops from 250-940 us to 26-86 us. A Graveyard Keeper launch
makes 37.5k proot stops instead of 54.0k and reaches its first scene
0.31 s sooner.

* test: count fstatat64 where the preload asks for it

* perf: FEX's own file opens go through the fast path instead of proot

FEX opens host files for the game with syscall(SYS_openat), so every one
stopped in proot even when the fast path could answer it. libblsession's
syscall() now sends SYS_openat to the fast path's openat as well, the same
way the in-root walk does, and makes the raw syscall when the fast path is
not loaded.

A Graveyard Keeper launch makes 28.0k proot stops instead of 37.5k; FEX's
openat stops go from 6,739 to none.

* fix: the fast path's start-up reads don't come back through syscall()

libblsession's syscall() now sends SYS_openat to the fast path. A process
named FEX starts the fast path by reading /proc/self/cmdline with
syscall(SYS_openat), which came straight back into the fast path and
waited on its own pthread_once. Its start-up reads now call libc's
syscall directly.
2026-10-21 22:33:39 -04:00
MaxsTechReview 8ca389149b fix: native Linux games under FEX reach FEXServer, and a refused compat app no longer loops the sync (#1213)
FEX launched through a script (Valve's _v2-entry-point) was judged 32-bit, so the
fast path stayed off in the FEX client while FEXServer bound its socket through it.
The fast path now follows #! lines before judging the program.

The live compat sync drops apps the client refuses GetCompatTools for instead of
reattaching forever.
2026-10-20 14:58:30 -04:00
MaxsTechReview 2862b77495 Work around Android's denial of executable stacks (#1208) 2026-10-20 12:44:49 -04:00
The412Banner db8d1c9910 feat: optional x86-64 Steam client (Valve's Linux client under FEX) beside the arm64 one (#152)
An opt-in second Steam client (Steam settings, Steam client: x86-64): Valve's
x86-64 Linux client, unchanged, runs under FEX in its own home with its own
game library and the same sign-in. Linux builds run directly, so titles such
as Team Fortress 2 and Half-Life use their Linux versions; Windows games use
DroidDeck-Proton as on arm64. The arm64 client stays the default.

- droiddeck-steam-x64: FEX and the x86-64 rootfs from DroidDeck-Components
  (sha256-pinned), client install and sync from Valve's CDN, sign-in shared
  with the arm64 client, its web helper on the GPU (ANGLE GL over FEX's GL
  thunk, zink, Turnip), Proton wrappers for the arm64 client's tools,
  DroidDeck direct for Linux builds, SD-card library (x86-64/ beside the
  arm64 one), repair.
- FEX 2610 built by build-fex.yml with thunks and three patches: an openat2
  fallback without openat2 (proot), newer-clang thunkgen, MAP_32BIT
  exhaustion returning ENOMEM. libblsession resolves RESOLVE_IN_ROOT paths
  inside the root.
- Session: x86-64 gating, shortcuts and compatibility tools per client,
  logs from the client that ran.
- App: client setting with the FEX version, an x86-64 chip on the Games
  header, the active client's library, art, storage, downloads, repair,
  Offline Mode, Decky, desktop mode, optional VAC diagnostics; per-client
  state for art, the content log, repair and leftovers.
- Strings in every locale.
- Review fixes: the library cache is saved only by the newest scan; an
  abandoned session's Steam logs come from the client it recorded; distinct
  VAC console names; FEXInterpreter in CPU pinning; clearer VAC hint in
  pl, ru, uk, cs and bg.
2026-10-17 23:57:52 -04:00
+13 16f9916825 Add VITURE XR controls, head tracking, and SteamVR (#732)
* Add VITURE glasses support: hardware control, 3D, head tracking

Glasses get their own controller over the MCU (permission, 120 Hz default, brightness, volume, sunblock, 2D/3D) and the game moves onto them when plugged in. The IMU drives Cardboard head tracking and the SteamVR driver. 3D falls back to one eye's view on phones that can't send the 3840x1080 signal. Options open from a glasses button in game and on the Steam page.

* Drop the glasses settings like Steam's: Play-style button, Settings lip, tabs

* Hang the glasses Settings lip over the top of the button

* Space glasses MCU commands so the IMU rate sticks, fit fixed resolutions to the glasses

* Keep Steam alive with SteamVR registered, run SteamVR at the glasses' rate, keep the glasses lip on top

* Fit VR games on the glasses: full view, seated origin at the head, pad hands reach with the d-pad

* Let the pad hands reach a metre out so buttons with deep colliders press

* Show every VR frame in order at 120 fps: wait for SteamVR's GPU work, present only finished copies, skip the grace on idle shared counters

* Glasses: SteamVR starts and stops with them, closer view with a field of view setting, Recenter on the pad

* Glasses: SteamVR field of view defaults to 90°

* VR pad hands: sticks move and aim the hands, left stick click switches the sticks to the game, d-pad pulls a held hand

* Glasses: Play SteamVR beside the glasses button instead of starting SteamVR with them, pad hands drawn as Index controllers and off while other VR controllers are connected, glasses sheet tabs sized like Steam's

* Track glasses mode, refresh-aware glasses window, align Play SteamVR with Play Steam

* Fix 3D on the glasses: full-res SteamVR presenter, revert VR 3D at session end, coalesce vsync ticks, no session restart after end

* Address review: glasses output after installs and session end, VR revert retry, display fallback, presenter swapchain retry, agent hex checks, drawer bumpers, glasses translations, docs

* Harden VITURE stereo negotiation and output refresh tracking

* Localize stereo recovery feedback and record Astra reconnect tests

* Improve test failure diagnostics and refresh Astra firmware findings

* Handle VITURE docks separately and reject truncated USB frames

* Glasses: remember a 3D fallback per model, docks as display only, VR timing fixes

- A 3D attempt that ends at the 640x480 fallback is remembered for that glasses
  model, so Play SteamVR no longer blacks out the glasses after every restart;
  Retry clears it and "3D for VR games" stays reachable
- A VITURE Mobile Dock on its own no longer counts as glasses; through a dock
  Play SteamVR is hidden and the sheet shows the output and why there is no control
- HDR is probed on the glasses when the session starts there
- Glasses frames with a mismatched checksum are marked in the status frame log
- SteamVR layer and driver vblank counters stay monotonic across refresh changes;
  one-eye render scale applies from activation and on mono/3D switches
- Compositor binds announce the refresh clients were last told; the presenter
  retries a failed first swapchain
- Dead strings and helpers removed; docs updated

* Glasses: drop USB frames with a bad checksum

* Glasses: count frames dropped for a bad checksum

* Feat/viture xr (#907)

* Add RayNeo Air and GT support to the XR glasses pipeline

* Add RayNeo Air and GT support to the XR glasses pipeline

* Checkpoint glasses tracking, calibration, and SteamVR launch integration

* Checkpoint glasses tracking, calibration, and SteamVR launch integration

* Add XREAL 1S support and correct GT and Pro 2 tracking

* Add XREAL 1S support and correct GT and Pro 2 tracking

* Fix mirrored glasses tracking and recover SteamVR after device loss

* Fix mirrored glasses tracking and recover SteamVR after device loss

* Document confirmed XREAL 1S brightness control

* Document confirmed XREAL 1S brightness control

* Fix SteamVR glasses defaults and rendering controls

* Fix SteamVR glasses defaults and rendering controls

* chore: keep only the 3 newest session log folders (#852)

* chore: add agent comment rules (#748)

Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>

* Fix SteamVR polling, VITURE checksums, and fence tracking

Keep manual SteamVR launches polled, discard corrupt VITURE packets, and retire Vulkan fences out of order without blocking submissions at a fixed capacity. Preserve the contiguous completion watermark used by the presenter.

Fix optional Windows launcher configuration and audited helper staging. Add Android, Windows, and native tracker regression coverage.

* Fix SteamVR polling, VITURE checksums, and fence tracking

Keep manual SteamVR launches polled, discard corrupt VITURE packets, and retire Vulkan fences out of order without blocking submissions at a fixed capacity. Preserve the contiguous completion watermark used by the presenter.

Fix optional Windows launcher configuration and audited helper staging. Add Android, Windows, and native tracker regression coverage.

* fix: wireless ADB page names the child-process switch the way Android shows it (#848)

* l10n: refresh stale and untranslated strings in es, fr, ko, ru (#850)

* l10n: refresh stale and untranslated strings in es, fr, ko, ru

- mode_added_art_hint: now mentions Steam then SteamGridDB (all four locales).
- wincomp_needs_installer / wincomp_installers_note: es and ko still described
  the old "coming soon" behaviour; align with the current English text.
- summary_remove_game: was still English in all four locales.

Machine-assisted translation; native-speaker review is welcome.

* l10n(es): say registro, not grabación, for the missing installer record

---------

Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>

* fix: a failed cloud save recovery no longer ends the app (#846)

The cloud-recovery thread started at every app start had nothing to
catch an error, so one went to CrashHandler, which halts the process
with status 2. In unit tests the thread can outlive the test that
started it, fail on the torn-down preferences, and take the whole test
run down. The error is now logged and the thread ends.

Co-authored-by: Kirk <12691869+KirkPatrickJunsay@users.noreply.github.com>

* fix: an interrupted Linux runtime download resumes instead of starting again (#847)

* fix: an interrupted Linux runtime download resumes instead of starting again

installOnce() asked the downloader to resume but always deleted the archive in its finally block, so the next attempt began at zero. The archive is now named after the release version and checksum, a failed download keeps what it fetched, and archives of other releases (and the old fixed name) are removed. A checksum or extraction failure still deletes the file.

* test: Downloader resumes a cut-off download from the bytes it kept

Starts a socket server that promises the whole file, hangs up part way and then answers a Range request, and checks that the second downloadFile call resumes with the right offset and ends with identical bytes.

* fix: a resumed download discards a 206 that does not start where the kept bytes end

Downloader appended every 206 response to the partial file without
looking at Content-Range. A server or proxy that answers a Range request
with a different offset would leave a corrupt file. Check that the range
starts at the kept length; otherwise delete the partial file and start
again without a Range header.

Adds a test with a server that answers the Range request from offset 0.

---------

Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>

* l10n: German, French, Spanish, Italian, Portuguese and Russian for the zRAM, reset-settings and store free-space strings (#849)

* l10n: German, French, Spanish, Italian, Portuguese and Russian for the zRAM, reset-settings and store free-space strings

Adds the strings values-de, values-it and values-pt were missing (14 each) and the six that values-fr, values-es and values-ru were missing. Machine-assisted drafts that follow each file's existing register and terms; native review is welcome.

* l10n: correct missing active swap translations

---------

Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>
Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>

* fix: droiddeckctl reaches variant-package builds (recover #842) (#854)

fix: droiddeckctl reaches builds shipped under a variant package

The provider authority and the start Activity's component were fixed to
com.droiddeck.launcher, so droiddeckctl could not talk to the antutu,
ludashi or pubg builds from tools/release/variants.txt. DROIDDECK_PACKAGE
now picks the package; the Activity's class name stays the same in every
variant.

Co-authored-by: angelrenefm <17342133+angelrenefm@users.noreply.github.com>

* feat: droiddeckctl reports on-screen pacing (recover #843) (#855)

feat: droiddeckctl pacing reports the frames that reached the screen

Reads SurfaceFlinger's timestats for the game's layer (or the session's
SurfaceView) over a capture: frames on screen, fps on screen, the
present-to-present histogram and how many intervals were off the usual
cadence. Records split by a refresh-rate change are summed. A game's own fps
counter counts frames handed over, so it can't show dropped or doubled frames.

Co-authored-by: angelrenefm <17342133+angelrenefm@users.noreply.github.com>

* fix: Steam can restart more than twice in a session (#754)

* fix: Steam can restart more than twice in a session

Every exit 42 counted toward the cap that stops an update which will
not install, and the count was never cleared, so the third restart of
a session ended it however far apart they were. A client that ran for
a minute before asking is not that loop: the count starts again.

* fix: measure the client's run time as it exits

The time spent collecting logs and checking FEX after the client exits
counted toward its run, so a slow cleanup could make a quick exit 42
look like a long one and clear the count.

---------

Co-authored-by: Kirk <12691869+KirkPatrickJunsay@users.noreply.github.com>
Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>

* fix: the front end keeps its page when the Fold is folded or unfolded (#832)

* fix: the front end keeps its page when the Fold is folded or unfolded

MainActivity, FileManagerActivity, FilePickerActivity and StoreLoginActivity did not declare the screen-size configuration changes, so folding or unfolding a foldable recreated them and dropped their in-memory state. They now handle orientation, screenSize, screenLayout, smallestScreenSize and density themselves, like SessionActivity already does. uiMode is left out on purpose.

* fix: store login keeps rebuilding its toolbar when the display density changes

StoreLoginActivity builds its toolbar in code with dp-to-pixel values taken at creation time and has no onConfigurationChanged. It no longer declares density in configChanges, so a density change recreates it as before this PR. Size and layout changes are still handled in place.

---------

Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>

* Release pointer buttons without replaying stale motion (#803)

* Fix cursor warping on native touch down

* Preserve input cleanup without replaying stale pointer motion

---------

Co-authored-by: siyuan.qsy <siyuan.qsy@alibaba-inc.com>

* l10n: translate the strings added since #284 into zh-CN, zh-HK, zh-TW and ja (#539)

* l10n: translate the 184 strings added since #284 (zh-CN/HK/TW, ja)

The stores, cloud saves, Windows components, Steam touch, desktop
removal and background-downloads strings landed after #284's
translation snapshot, so every one of them fell back to English.
Translate all 184 into Simplified Chinese, Traditional Chinese
(Taiwan and Hong Kong) and Japanese, keeping each locale file's own
vocabulary (工作階段/會話, 解除安裝/卸載, 元件/組件, 設定).

Also fix four Hong Kong strings that kept the simplified 着色器.

* l10n(zh): fix stale and ambiguous strings found in review

Severe: summary_remove_game was untranslated English in all three
files; mode_added_art_hint, wincomp_installers_note and
wincomp_needs_installer still described the pre-#480/#492 English.

Also: distinguish the Setup wizard from Android system settings in
zh-HK/zh-TW (初始設定 / 系統設定 / Android 設定), unify library as
收藏庫, component as 組件 in zh-HK, session as 會話 in zh-HK, account
as 帳戶 in zh-HK, Trending as 趋势/趨勢, Forget as 清除, reword the
re-applied-at-launch, action-failed and already-in-Games strings, and
play as 執行/開啟遊戲 in zh-TW/zh-HK.

* l10n(ja): fix stale and ambiguous strings found in review

---------

Co-authored-by: Dantalian <Dantalian-dev@users.noreply.github.com>
Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>

* Rebuild and verify Windows VR runtime components

* Rebuild and verify Windows VR runtime components

* Add top, bottom, and centered picture positions for Steam sessions (#871)

* fix: dependency scan ignores folders above the game folder (#859)

* DroidDeck-Proton: get releases from the Droid-Deck org repo

DroidDeck-Proton is now built and released on Droid-Deck/DroidDeck-Proton
(11-9.1 is Latest there), so the Components page, the update check and the
guest installer read releases from the org repo instead of The412Banner's.

* feat: low-latency controller and touch toggles in the session drawer (#808)

* fix: SteamGridDB lookups no longer stick as "no match" after a failure; add a search to the art chooser (#876)

* feat: Steam home wall fills from the signed-in library instead of store picks (#878)

* test: cover GPU family and support classification (#880)

* Fix local builds on Linux failing after the first Comet build (#866)

* feat: sort the store library and installed tabs, and switch between card and list views (#798)

* feat: three-finger tap toggles Steam's on-screen keyboard in game mode (#782)

* fix: keep Quest-patched Turnip as the auto default (#853)

* Fix deploy_local.sh and droiddeckctl not finding a phone connected over wireless debugging (#864)

* fix: keep proot sessions alive when the kernel loses fork events (#457)

* fix(quest): correct desktop and Steam display corruption across sessions (#733)

fix(quest): stabilize desktop and Steam layer presentation

Keep Quest SDR scenes and the black backdrop off the Android Vulkan swapchain regardless of session order or HDR preferences. Only report the first frame after client content is submitted.

Add backdrop lifecycle and first-frame regression coverage. Record the user's successful Quest 3 Test 2 result.

Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>

* fix: keep SteamVR syscall hooks and report Steam crashes (#905)

* fix: preserve SteamVR syscall hooks

* fix: report Steam crashes through gamescope

* fix: honor glasses pacing and resolution in SteamVR launches

---------

Co-authored-by: connor g <connorsspam1992@gmail.com>
Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>
Co-authored-by: Yassine Gherbi <y.gherbi.dev@gmail.com>
Co-authored-by: Resul Övür <92828257+ovurrsl@users.noreply.github.com>
Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>
Co-authored-by: Kirk <kirtoy.junsay@gmail.com>
Co-authored-by: Kirk <12691869+KirkPatrickJunsay@users.noreply.github.com>
Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>
Co-authored-by: angelrenefm <17342133+angelrenefm@users.noreply.github.com>
Co-authored-by: asdf17128 <asdf17128@gmail.com>
Co-authored-by: siyuan.qsy <siyuan.qsy@alibaba-inc.com>
Co-authored-by: Dantalian <wsu091227@qq.com>
Co-authored-by: Dantalian <Dantalian-dev@users.noreply.github.com>
Co-authored-by: The412Banner <the412banner@users.noreply.github.com>
Co-authored-by: The412Banner <205237651+The412Banner@users.noreply.github.com>
Co-authored-by: FX1922 <120828496+FX192@users.noreply.github.com>
Co-authored-by: Muaz Kadan <32595066+muazkadan@users.noreply.github.com>
Co-authored-by: kingokksa <47888451+kingokksa@users.noreply.github.com>
Co-authored-by: Jamie Schenker <jam1esch3nk3r@gmail.com>
Co-authored-by: Jagger15 <jagger2333@live.com>

* Glasses: keep a pending 2D restore and the SteamVR recovery offer, show Play SteamVR only with a picture

* Translate the glasses calibration, XREAL and SteamVR recovery strings

* SteamVR recovery: give a finished teardown time to collect logs before restarting

* Credit the projects the XR glasses support builds on

* Joy-Cons: SteamVR hands from their gyro while SteamVR runs, one combined pad otherwise

* Headsets: settings badge on Play SteamVR instead of a top-right button, both shown only once connected

* Hand tracking: camera-tracked Joy-Cons and bare hands in SteamVR, drawn as white gloves

- Joy-Con movement from the accelerometer (report reordering, per-Joy-Con calibration, zero-velocity updates)
- MediaPipe pose and hand landmarks from the device camera, placement check, per-hand Kalman filter with the Joy-Con
- No controller connected: bare camera hands with Quest-style gestures, 1€ filtered, rendered as a white glove model built from a distance field
- SteamVR safe mode cleared before each start so one crash no longer blocks the driver

---------

Co-authored-by: MaxsTechReview <6025299+maxjivi05@users.noreply.github.com>
Co-authored-by: informalTechCode <informaltechyt@gmail.com>
Co-authored-by: connor g <connorsspam1992@gmail.com>
Co-authored-by: Kurt Himebauch <136133082+xXJSONDeruloXx@users.noreply.github.com>
Co-authored-by: Yassine Gherbi <y.gherbi.dev@gmail.com>
Co-authored-by: Resul Övür <92828257+ovurrsl@users.noreply.github.com>
Co-authored-by: ovurrsl <ovurrsl@users.noreply.github.com>
Co-authored-by: Kirk <kirtoy.junsay@gmail.com>
Co-authored-by: Kirk <12691869+KirkPatrickJunsay@users.noreply.github.com>
Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>
Co-authored-by: angelrenefm <17342133+angelrenefm@users.noreply.github.com>
Co-authored-by: asdf17128 <asdf17128@gmail.com>
Co-authored-by: siyuan.qsy <siyuan.qsy@alibaba-inc.com>
Co-authored-by: Dantalian <wsu091227@qq.com>
Co-authored-by: Dantalian <Dantalian-dev@users.noreply.github.com>
Co-authored-by: The412Banner <the412banner@users.noreply.github.com>
Co-authored-by: The412Banner <205237651+The412Banner@users.noreply.github.com>
Co-authored-by: FX1922 <120828496+FX192@users.noreply.github.com>
Co-authored-by: Muaz Kadan <32595066+muazkadan@users.noreply.github.com>
Co-authored-by: kingokksa <47888451+kingokksa@users.noreply.github.com>
Co-authored-by: Jamie Schenker <jam1esch3nk3r@gmail.com>
Co-authored-by: Jagger15 <jagger2333@live.com>
2026-10-17 13:17:05 -04:00
angelrenefm 91b02a9dda fix: the proot fast path finds unix sockets whose host path is longer than sun_path (#841)
* fix: the proot fast path finds unix sockets whose host path is longer than sun_path

When a socket's host path did not fit sun_path, bind() went to proot, which
bound it to a short temporary name the fast path cannot see. The fast path's
own connect, stat and unlink then answered ENOENT, so FEXServer's socket under
compatdata/<app>/fex-emu/Server could never be reached (#839, #579).

Name such a socket through its directory (/proc/self/fd/N/<name>) instead, so
it lives at its real host path for every process, and report the guest path
back from getsockname, getpeername and accept. equiv3.py's long-path section
binds, connects, stats, names and unlinks a socket there.

* fix: key long socket names per socket and reset their lock after fork

Review follow-up. A long name is now looked up by the socket's inode and the
name, separately for its own and its peer's address, so two sockets with the
same file name in different directories no longer mix up; a missing entry is
left as the kernel reports it. The lock is re-initialised in the child after
fork, and the copies use snprintf. equiv3.py binds a second socket with the
same name in a sibling directory and checks both names.
2026-10-16 10:05:12 -04:00
Jamie Schenker c3cd955686 fix: keep proot sessions alive when the kernel loses fork events (#457) 2026-10-15 09:50:29 -04:00
34969ccf44 fix: desktop session: Shift no longer stays held after typing capitals on a physical keyboard (#766)
* fix: desktop session: Shift no longer stays held after typing capitals on a physical keyboard

Android repeats a held key as more key presses. Those were forwarded to the
session as more wl_keyboard presses, and KWin's xkb counts every press of a
modifier, so Shift held for a few capitals took several presses and one
release and stayed held: digits typed !@#, letters stayed capital. The same
applied to Ctrl and Alt.

- the compositor no longer sends a press for a key that is already down;
  releases always go through (clients repeat keys themselves from the
  repeat_info it already sends)
- the app stops forwarding Android's repeat events for keyboard keys

Reported by whatsupbros with a Keychron Q7 over USB - thank you.

* Remove stale comments from statx patch

---------

Co-authored-by: The412Banner <the412banner@users.noreply.github.com>
Co-authored-by: xXJsonDeruloXx <danielhimebauch@gmail.com>
2026-10-13 22:03:28 -04:00
Kurt Himebauch b616c9bef4 Fix Flatpak installs on older Android kernels (#752) 2026-10-13 21:31:26 -04:00
Kurt Himebauch aecd2ebe1d cleanup (#764) 2026-10-13 21:27:42 -04:00
MaxsTechReview 15b2d19f68 Performance: idle front end, proot stops, launch-time passes and log collection (#529)
* Front end: draw the capsule wall without clipping it every frame

The tilted wall clipped each capsule to a rounded rect and recomposed its columns on every drift
step, and a rotated rounded clip is rasterised in software on the render threads: the idle main
page held about 1.7 cores. The art is now loaded at the capsule's size with its corners already
rounded, each column draws its capsules itself in one layer moved by the drift, and the drift
advances at most every 15 ms. The idle page takes about a third of a core.

* libfakeinput: let calls on descriptors it does not serve skip its lock

Every read, write, ioctl, close and poll of every process in a Proton session went through the
controller lock and the three map lookups, Wine's wineserver pipes and the game's files alike.
A bitmap of the descriptors the maps hold, set before one is handed out and cleared when it is
closed, lets everything else go straight to the kernel.

* Pad motion: ask the display for its rotation four times a second

The rotation was looked up for every sensor reading, every 2 ms, and cost more than the rest of
the reading; it is now refreshed every 250 ms, and the readings no longer allocate pairs.

* Session: keep the library passes out of a game's launch

The redist seeder stamped each prefix with the checksum of the whole set of names, which differs
between the session's pass and the game launch's (the game's own names are added), so every
launch re-appended the markers to every prefix in the library while the game loaded. Each
prefix's marker now lists the names it was given and only the missing ones are added.

The beat's seed and compatibility passes, and the Lossless Scaling ownership probe (which loads
steamclient.so), also wait while a wineserver runs: a launch rewrites the manifest and made them
due at exactly that moment. The game's own launch seeds its prefix regardless.

* Agent: keep the focus watcher's X connection open while nothing changes

The connect timeout stayed on the socket, so with no property change the read timed out, and the
watcher dropped the connection, reconnected and took a fresh snapshot every few seconds.

* Game environment: start Cyberpunk 2077 without REDlauncher

The prelauncher opens REDlauncher, a Qt WebEngine window that hands over to the game half a
minute later and then stays up beside it, well over a core busy for as long as the game runs; its
own --launcher-skip started the game twice. The game's executable is started directly instead.

* netif: answer Wine's network driver from a reading of the link

Mortal Kombat X has Wine's network driver enumerate every interface, address and route table
hundreds of times a second. Each enumeration read /etc/droiddeck-net several times, asked the
kernel for its interface dump again (a netlink socket bound under proot, refused each time) and
looked the real functions up with dlsym. The link file is now read at most once a second, a
refused dump is not asked for again within that second, and the real functions are looked up
once.

* Fast path: create memfds without a stop in proot

proot looks at a memfd's name only to refuse the few that are then executed or locked; every other
memfd_create is now issued from the trampoline. The session's /proc/net and status copies made
one per read, a stop each. Without memfd in the kernel the call still goes to proot's ashmem.

* Logs: run each redaction rule only on a line that could match it

A session's end copies some 70 MB of the Steam client's logs and puts every line through all
twenty-odd rules, most of a minute of a core on the phone after every session. Each rule now runs
only on a line holding what it cannot match without: its keyword, the five separators of a MAC,
the four dashes of a GUID, a long enough hex or token run, the learned account or address text.
Lines with non-ASCII text still meet every case-insensitive rule. Over 895,000 lines of real
client logs, with the device's accounts and addresses learned, the output is identical and the
pass takes a twentieth of the time.
2026-10-10 19:00:33 -04:00
Muaz Kadan e845f91177 Fix CPU temperature showing 0°C in the performance overlay (#516)
Since the proot speed-up in #494, the overlay couldn't find the CPU sensor and showed 0°C. It shows the real temperature again.
2026-10-10 14:39:30 -04:00
MaxsTechReview a6d15bcd0b Expanded Fastpaths for proot and increased performance up to 57% (#494)
* perf: fast path resolves links, /proc and glue as proot does, and answers uname, isatty and passwd

The fast path handed back to proot whatever crossed a symlink, /proc or a directory proot
only shows as glue, which is most of what Steam and Wine ask. It now walks a path the way
proot's canonicalize() does, so those calls stay in-process:

- links are followed in guest terms and their text detranslated as detranslate_path() does,
  including readlink into a buffer the kernel cut short and /proc's exe, cwd and fd links;
- a binding proot dropped at start is dropped here too, glue above a binding is ENOENT, and a
  last component proot cannot stat is left to the kernel;
- pipe and socket dirfds are ENOTDIR, rmdir("dir/") removes dir, and "." and ".." go to proot;
- a blocking accept() with a connection already waiting no longer goes to proot.

Also answered: uname() and gethostname() (proot's utsname never changes), isatty() (glibc
2.43 asks with TCGETS2, which proot rewrites) and getpwnam/getpwuid when nsswitch.conf
sends passwd to files first and the entry is there (Xwayland asks for every client).

equiv.py, equiv2.py and equiv3.py match line for line with and without the fast path
(222, 507 and 924 lines). Per call on the RedMagic: realpath 240 us -> 1.0 us,
realpath /proc/self/fd/N 408 -> 9.9, getpwuid 41.5 -> 4.6, uname 28 -> 0.006.

* perf: LD_AUDIT module skips library lookups proot would fail

ld.so looks each library up along the game's search path, and Proton puts the game's
directory, Steam's runtime and video directories and its own library directories ahead of
/usr/lib: 72% of ld.so's opens in an Among Us launch failed, each a round trip to proot.

libblaudit.so answers la_objsearch() for a candidate proot would certainly fail with ENOENT
(its directory walked as canonicalize() walks it, the name or a directory on the way missing).
It has no libc and maps the fast path's trampoline itself. Each lookup's first candidate is
still opened, since a skipped one fails with ld.so's errno as it stands, and the default
directories are never skipped, so dlerror() reads the same. droiddeck-proton and the extra
wrapper add it to LD_AUDIT when the fast path is on.

* perf: droiddeck-proton checks a tool's components with one sha256sum

Each program the launcher starts pays a dozen traced library lookups under the game's search
path before it does anything. One sha256sum over every listed file replaces one per file;
the check itself is unchanged.

* perf: build a locale archive for C.UTF-8

Every program loads the locale LANG names before main(). glibc ships C.UTF-8 as a directory
it looks for once per category under two spellings, before reading gconv's module lists:
about 30 opens, each a stop in proot, in every process of the session. droiddeck-session
builds /usr/lib/locale/locale-archive (and gconv's cache) once per glibc package, so that is
one open.

localedef names a finished archive by hard link, which Android refuses; with
DROIDDECK_LINK_RENAME=1 libblsession turns a refused link into a rename that will not replace
an existing name.

* perf: library beat starts its helpers only when what they read changed

Every 15 s the session ran droiddeck-seed-redists (some forty programs under proot) and, when
a library directory had changed, steam-compatibility: a burst of thousands of proot stops each
quarter minute, game loads included. The seeder now runs when a library changed or a prefix
(or Proton's template for them) is unmarked, the compat pass when a manifest, depot, tool or
config.vdf changed, both checked from bash without starting anything, and each every five
minutes regardless. The seeder reads its stamp and the time without a subshell each.

* perf: fakeinput opens pad.log on its first line

Every process the library is loaded in opened the session's pad.log at start, a stop in proot
on shared storage, and most never write to it. The file is now opened when there is a line to
write.

* docs: the fast path as it ships, the audit module and measured launch times

* fix: a game the app launches after an idle spell comes to the front

The Steam client brings a game it launched forward only while it counts someone as present,
which it reads from gamescope's input counter. A game the app launched after four or more
minutes without a touch started, mapped its window, and stayed behind the library page until
the next input (device: Palworld, Stardew Valley, Fallout: New Vegas, Mortal Kombat X; the same
on main). The session now watches a requested launch, and when the game's window is focusable
but the interface keeps focus for two polls, counts one input on gamescope's counter, as a key
would. Nothing changes for a launch the client already brings forward.
2026-10-09 20:55:18 -04:00
Kurt Himebauch d99ed8e00b fix(desktop): address KDE feedback and keep local builds in sync with CI (#488) 2026-10-09 21:35:37 +00:00
Kurt Himebauch 416c1b9efd fix: proot fast path hands opendir of a directory symlink to proot (#454) 2026-10-09 07:11:09 -04:00
Kurt Himebauch 7c758c817f perf: fast path answers Steam's pre-2.33 stat calls and stays off without the patched proot (#466) 2026-10-09 03:14:29 +00:00
The412BannerandThe412Banner dba632ea14 Fast path: hold every bind, so added games start in their own folder (#343)
* Fast path: hold every bind, so added games start in their own folder

libblfastpath kept the first 64 binds and dropped the rest without a word. A session has 87 (two
Games folders are the last two), so /root/Games/<folder>/... was mapped into the rootfs - the
empty mount point - instead of the bound storage. Wine resolves a new process's working directory
by those paths, found no drive for it and started every added game in C:\windows ("could not
find DOS drive for current working directory"): DiRT 3 did not mind, FEZ looks for
Content\Essentials.pak there and quits.

The library now holds 256, and turns itself off for the process when a bind does not fit or the
list runs past that, leaving the call to proot, which never maps it wrong. The app keeps the fast
path off for a session with more binds than that.

Verified on an AYANEO Pocket FIT: FEZ (added game) reaches its title screen; the warning is gone.

* Fast path: say in the session log when it stays off

---------

Co-authored-by: The412Banner <the412banner@users.noreply.github.com>
2026-10-06 13:48:01 -04:00
MaxsTechReview 27782068a3 ESync, FSync, NTSync + OpenNow + FEX for Desktop Apps (#197)
* Make the Compatible Proton ARM64 the default and label compatible builds

The CompatToolMapping "0" default always points at DroidDeck's Proton
ARM64 tool, and per-game picks of adopted GE/CachyOS builds are kept,
including when the shortcuts writer remaps.

The tool is named after the Proton build it runs, Proton Experimental
ARM64 (Compatible), or Proton 11.0 ARM64 (Compatible) once that newer build
is installed. Adopted builds carry the same Compatible mark, read from a
string resource the app stages into the runtime, and the Proton page
explains which builds have the prefix fixes.

The registrar is renamed steam-compatibility and the tool
droiddeck-proton-arm64. Existing installs migrate on the next session: the
old tool directory is removed, every mapping that named it moves to the new
tool, and the retired bannerlator-steam-compat script is removed from the
runtime. CI and local packaging include the renamed script.

* Drop the duplicate R import left by merging main

* Add userspace ntsync for Proton on Android

Android kernels have no /dev/ntsync and its app policy refuses futex_waitv,
so every Proton 11 build here fell back to wineserver for every wait.
libblsession now serves /dev/ntsync itself: wineserver opens a memfd region,
each sync object is a timerfd that carries its slot, and the kernel ntsync
ioctls are answered in shared memory with futexes, following the kernel
driver's wake order. Valve's Proton Experimental ARM64, GE-Proton and
proton-cachyos use it unchanged.

Locks record their owner so a killed process cannot wedge the others,
signals are held off inside each critical section, dead processes and
exiting threads are swept, and object lifetimes follow close, dup2, dup3,
close_range and received descriptors.

Fast sync is on by default under Performance > Session fixes, and
PROTON_NO_NTSYNC=1 turns it off per game.

* Add droiddeck-esync as the default sync for Proton on Android

Without a kernel ntsync driver, Proton 11 builds here fell back to
wineserver for every wait. droiddeck-esync brings eventfd and shared-memory
sync to the exact Proton build a game runs on: a pack holds that build's
ntdll.so and wineserver with the patch series in tools/droiddeck-esync
applied, and the guest runs Proton from a shadow tree that links the stock
tool and swaps in those two files. A wineserver from a pack still prefers
/dev/ntsync when a kernel driver or droiddeck-ntsync is there.

Packs are built in Valve's SDK image from each release's own wine source
(Proton Experimental ARM64 tags, GE-Proton and proton-cachyos releases); the
control build must reproduce the release binaries byte for byte, and a
signed index lists the packs. The APK bundles the packs pinned in
release.env, the app fetches newer ones, and Steam's compatibility tool
picks the pack for each Proton build, so new Proton releases get packs
without an app update.

The ntdll side reads, writes and polls its eventfds with raw system calls,
so the guest's LD_PRELOAD wrappers stay out of the sync path. The server
abandons a mutex once a thread killed by TerminateThread has really exited
and when its process dies, and a mutex's owner and recursion count change
in one atomic step, so a killed owner cannot touch the next owner's count.

droiddeck-esync is on by default and PROTON_NO_ESYNC=1 turns it off per
game; droiddeck-ntsync, the userspace ntsync, is now an opt-in toggle.

* Watch Valve's Proton releases and build droiddeck-esync packs for them

A scheduled workflow reads the Proton ARM64 builds Steam ships (anonymous
steamcmd app info) and the upstream source tags, compares them with the
previous watch state and starts the pack build for any build that has no
pack yet. The pack build applies the patch series with --fuzz=0 and runs a
smoke test of each new pack against the esstress suite before it is
published.

* Add droiddeck-fsync, keep Steam and the app on one Proton, fix DirectAudio

droiddeck-fsync: libblsession answers futex_waitv(2), which the app
sandbox refuses, in userspace, so Proton's own fsync runs on the stock
Proton files with no pack. Waiters register the words they wait on in a
table beside the fsync shared memory and sleep on a futex of their own;
FUTEX_WAKE on the fsync memory wakes the registered waiters. Slots carry
one owner word that the sweeper and the owner claim with a CAS, and the
mapping table is rebuilt under a lock held across the real munmap, so a
reused address or a recycled slot cannot lose a waiter. It stands in for
a Proton build without a pack (droiddeck-ntsync where fsync is off), takes
over for games with esync off, and the "droiddeck-fsync first" toggle
(BL_FSYNC_FIRST, also per game) puts it ahead of the packs. The games
Proton keeps off fsync and esync never get it. A launch into a prefix
whose wineserver is still running keeps that server's sync choice.

One Proton for Steam and the app: the Components page's Proton is the
default Steam uses, applied live through the client while Steam runs
(droiddeck-steam-compat) and at the next start otherwise; a choice made in
Steam's menu comes back to the app. Requests are ordered by a sequence that
never goes backwards, and the page no longer jumps back to the default
after a swap or restore.

DirectAudio: the wrapper wrote the driver key with its backslashes
stripped, so no game ever used DirectAudio. Wine 11 also loads a builtin
only from the prefix, so the driver is now linked into system32 and
syswow64 before "directaudio,pulse" is selected; mmdevapi falls back to
winepulse whenever DirectAudio cannot start.

* Pick esync, ntsync or fsync from the Steam settings' Games group

A three-way tab row above the FEX preset sets the sync Proton games use. It
writes the existing switches together (droiddeck-ntsync, droiddeck-fsync
first, droiddeck-esync), so the Performance toggles and the tabs always agree,
starts on esync and keeps the choice until it is changed again.

* Make droiddeck-fsync the default sync for Proton games

A fresh install, or one that never picked a sync, starts on fsync; a choice made
in the Steam settings' Games group still sticks. Games Proton keeps off fsync
still fall back to droiddeck-esync.

* Add wineserver to the Wine sync tabs and order them ntsync, fsync, esync, wineserver

wineserver turns every in-process sync off so games wait through wineserver;
picking any other tab turns sync back on. The tabs shrink to fit a narrow pane.

* Shorten the Wine sync description

* Answer openat2 and execveat for FEX in the session preload

FEX opens every file of its x86 rootfs with openat2(RESOLVE_IN_ROOT) and
only falls back to the host path on EXDEV. Under proot on Android openat2
answers ENOSYS, so each lookup of an x86 library silently went to the host
and missed. The exported syscall() now turns openat2 into openat once the
real call reports ENOSYS: RESOLVE_IN_ROOT paths are taken relative to the
root fd (FEX has already resolved the links inside the rootfs), and an
absolute path under RESOLVE_BENEATH fails with EXDEV as the kernel would.

execveat with an absolute path, or relative to AT_FDCWD, and without
AT_EMPTY_PATH or AT_SYMLINK_NOFOLLOW, is plain execve; it is sent as such
because proot refuses execveat with a directory fd, which FEX uses when it
re-executes itself for a child x86 program.

* Run x86 Linux games and programs through FEX

Steam: Linux-only titles that have no ARM64 build (from the client's
appinfo cache: type game, demo, application or beta) are mapped to a new
compatibility tool, droiddeck-fex ("Linux x86 (FEX)", linux to linux,
no required runtime). Valve's own "fex" tool needs pressure-vessel, which
cannot run under proot, so a mapping to it or to a Steam Linux Runtime is
replaced; any other pick the user made stays. Titles that also ship for
Windows stay on Proton. When such a title is installed and FEX or the
sniper runtime is missing, the client is asked to install them.

droiddeck-fex runs the program under the FEX that Steam installs (app
3127680), with Steam Linux Runtime 3.0 (sniper, app 1628350) as the x86
rootfs:
- the sniper platform is linked in place from its usr-mtree (relative
  links only, files/usr -> .), once per runtime version;
- the x86_64 and i386 builds of libblsession and libfakeinput go into the
  runtime's lib/<triplet>/droiddeck and its etc/ld.so.preload, mirroring
  the session's own list, so x86 programs get the pads and the session
  fixes (FEX passes their system calls straight to the kernel, so the
  ARM64 preloads cannot reach them);
- Config.json sets RootFS and the GL and Vulkan thunks, so x86 games draw
  with the device's Turnip and Mesa;
- the FEX preset and the game's own environment from the Steam settings
  apply, and ARM64 entries are dropped from LD_PRELOAD/LD_LIBRARY_PATH.
It also links ~/.steam/sdk64 and sdk32 to the client's x86 steamclient
when the client has one and nothing is there yet.

Desktop: x86_64 and i386 AppImages can be imported now; they unpack
through FEX (or unsquashfs) and record their architecture. Scripts,
AppImages and programs started in a run session use FEX automatically
when they are x86, and each added app has a "Use FEX" Auto/On/Off choice
in its edit dialog. The launchers' "still running" checks also look at
FEX processes, whose exe is FEX rather than the program. A GitHub release
without an ARM64 AppImage falls back to its x86_64 one. Decky's x86
loader starts through droiddeck-fex instead of the fex-mesa rootfs path,
which no runtime ships.

The x86 preloads are built against glibc 2.31 (Debian 11) so they load
in sniper: tools/linuxfs/build-x86-preloads.sh, run in CI and by
build_local.sh. fakeinput's stat hooks fall back to __xstat on a glibc
without a stat export, and mmap64 takes off64_t for the i386 build.

* Keep a FEX unixlib from outliving its DLL

A FEX package or original bundle without the aarch64-unix helpers left
the previous version's libarm64ecfex.so / libwow64fex.so in the Proton,
so the new DLLs loaded a unixlib built for another FEX. A swap now removes
the helpers the package does not carry; FEX then runs DLL-only, which it
already falls back to when Wine cannot load the unixlib.

* Fix the Wine sync choices an audit found

- wineserver tab: it passed Proton's environment through, so a build with
  esync built in (GE, cachyos) still ran esync and a kernel ntsync would
  still be used. It now sets PROTON_NO_ESYNC, PROTON_NO_FSYNC and
  PROTON_NO_NTSYNC (unless the game's own environment sets them).
- ntsync tab: a Proton whose wineserver has no /dev/ntsync client got
  wineserver-only sync although fsync would work. The hash cache records
  whether the wineserver has one; without it the launch goes to
  droiddeck-fsync, and no stand-in or pack turns droiddeck-ntsync on.
- A build with esync built in returned before the per-game fallbacks, so
  a game that turns esync off ran with no in-process sync. It now gets
  droiddeck-fsync, or droiddeck-ntsync where fsync is off too.
- When a pack's proton cannot start and the stock one is used, or the
  selection fails, the prefix's record now says stock, so a second
  launch into the same running prefix no longer picks the pack's ntdll.
- droiddeck-fsync: its mutex is held across fork and re-made in the
  child, a closed or replaced shm fd is forgotten (close, dup2, dup3,
  close_range, closefrom), and a waiter woken while it was leaving on a
  timeout or signal reports the wake instead of losing it.
- BL_SYNC_MIN_NOFILE applies per game to every verb, debug logs carry
  prefixes.json, the device report names the chosen sync instead of the
  three raw switches, and PATCHES.md and the proot notes describe the
  selector, the fsync default and droiddeck-fsync's futex_waitv.

* Name the runtime's scripts and files droiddeck, migrating old installs

The guest scripts are droiddeck-* now (droiddeck-session and the other 19),
as are the files the app and scripts generate (etc/droiddeck, the network
state files, the components dir, the Steam install stamp, the redist marker,
the extra-Proton wrapper and backups) and the compositor's own names
(libdroiddeckwayland, droiddeck_* sources, DROIDDECK_* switches, the
wl_output and seat names).

Installed runtimes carry on: LegacyNames moves etc/bannerlator and
share/bannerlator over and leaves relative links at the old paths before
every proot command, turns any old script into a link to its new name,
moves the generated files and points menu entries at the new scripts.
The session scripts and steam-compatibility move their markers on first
use, the components dir's desired.tsv is rewritten with it, and the
runtime counts as installed under either session script.

Kept: the banner_ahb_v1/banner_desktop_v1 wire names and BANNER_AUDIO_DIRECT
(read by prebuilt Turnip and Wine builds), Banners-Turnip and other
third-party names, BL_* switches, libblsession, and credits to Bannerlator.

* Unpack x86 AppImages without FEX, then ask Steam for FEX

Importing an x86 AppImage failed when FEX was not installed yet ("needs FEX
to unpack and no unsquashfs is installed"). AppImages now unpack with
uruntime (VHSgunzo, MIT, v0.8.1 aarch64, pinned by sha256 and shipped
unmodified with its licence), which reads SquashFS and DwarFS images of any
architecture natively. FEX's own --appimage-extract and unsquashfs stay as
fallbacks, and an ARM64 image whose own runtime cannot unpack it goes the
same way.

An x86 import with FEX missing records that FEX is wanted, so the next
Steam session requests FEX and the Steam Linux Runtime, and the program's
page says FEX is not set up yet and how to get it.

* Run Vulkan Qt Quick AppImages on Wayland

OpenNOW (Qt 6.8, Qt Quick on Vulkan) closed within two seconds in a run
mode. The session sends toolkits to gamescope's Xwayland, and Qt's xcb
backend only presents with Vulkan when Mesa's X11 WSI does, which needs
DRI3; Xwayland on KGSL has none, so Qt found no queue that can present and
aborted ("Failed to create RHI").

An AppImage that bundles Qt Quick, the Vulkan loader and Qt's Wayland
plugin now runs on gamescope's Wayland socket (the desktop's, outside
gamescope), where Turnip presents as it does for games, with Qt's xcb
backend as the fallback. SDL_VIDEODRIVER and XDG_SESSION_TYPE follow, so
helpers that pick their window system from them (OpenNOW's streamer) agree
with Qt. Everything else stays on X11; a qt file in the app's directory
(wayland or xcb) overrides the choice.

* Keep gamescope's WSI layer away from Qt apps on its Wayland socket

OpenNOW still closed at once: its FFmpeg (the Raspberry Pi fork, libavutil
61) creates its Vulkan queues internally synchronized whenever the driver
offers VK_KHR_internally_synchronized_queues, which DD-Turnip does. The
gamescope WSI layer registers every queue of a new device through
vkGetDeviceQueue, which only returns queues created without flags, so it
got VK_NULL_HANDLE and vkroots aborted on assert(obj) before Qt opened a
window.

Programs that draw on gamescope's Wayland socket do not need the layer,
which only carries X11 windows past Xwayland, so it is turned off for
them. OpenNOW bundles no Vulkan loader (it reaches Vulkan through Qt and
dlopen), so a binary that uses QVulkanInstance counts as a Vulkan app too,
and a Qt Quick app left on X11 says why in the session log.

* Keep the end of the session log, and say when FEX is missing

The session sends its output through head -c into session.log. head
writes through stdio, so it held up to 4 KB that proot's --kill-on-exit
threw away when the guest ended: every log stopped mid-line at a 4096-byte
boundary, losing exactly the lines that say why a program quit (an x86
AppImage's "x86 Linux programs need FEX" among them). dd writes each read
as it comes and keeps the same cap.

A run mode always ends with status 0 (gamescope does not pass its child's
on), so a program that could not start just closed. When the log says FEX
is missing, the ended screen now says so and how to get it.

The app reads FEX's readiness from status.json, which only a launch or an
import wrote, so it still said "not set up" after Steam installed FEX.
droiddeck-fex status rewrites it, and a Steam session ends with it while
FEX is wanted. FEX is also looked for at the tool's root and under files/,
and a tool folder without it lists what it holds.

* Let FEX and its runtime install runnable on an SD card library

A Steam library on shared storage loses the executable bits, so native
tools are staged in private directories bound over it; only Proton and
SteamLinuxRuntime folders were. FEX (3127680) installed there could never
run, droiddeck-fex saw no FEX and kept asking Steam for it. FEX and the
sniper runtime (1628350) now get private directories from their first
download, whatever their install folder is called.

* Keep fsync off in the pack smoke test

A runner whose kernel allows futex_waitv started stock Proton with fsync,
so the server-side baseline never said what the test waits for and every
pack was waved through as untestable; the esync run would have measured
fsync too.

* Judge a pack against stock's own esstress failures

Stock Proton fails esstress's dup wait all under server-side sync as well
(a Wine bug, seen on the phone too), and any stock failure made the test
call the runner unusable. A pack now fails only when it crashes, hangs or
fails a check stock passes.

* Ask Steam for FEX and its runtime one at a time

Both steam://install requests were started together, and the running client
took only the first: FEX installed, the sniper runtime FEX needs never did.
Each request now waits for the client to take it before the next.

* Bundle the first published droiddeck-esync packs in the apk

* Log how an x86 program under FEX ends

FEX keeps its own errors quiet unless asked, so a program it could not run
left nothing in the session log. Its log now goes to stderr, and the AppImage
launcher records the program's exit status or the signal that ended it.

* Show the log a failed AppImage program wrote

Programs like Eden stop themselves on a failed check and say why only in
their own log under the home folder. When the program ends badly, the end of
any log it wrote during the run is copied into the session log.

* Report where an x86 program under FEX hit an illegal instruction

A tiny x86_64 preload, built without libc, catches SIGILL and writes the
address, the instruction bytes and the mapping they belong to before the
program dies as it would have. droiddeck-fex preloads it into x86_64 programs.

* Load the fault reporter from the x86 runtime

Programs under FEX look libraries up in the x86 runtime, so the reporter is
copied there with the other preloads and named by its path inside it.

* Hand FEX its x86 runtime and thunks through the environment

Valve's FEX runs portable and reads its config beside itself, so the
Config.json droiddeck-fex writes was not seen: programs ran without the
runtime. The runtime, thunk libraries and thunk list now also go in FEX's
own environment variables, and each launch says what it was given.

* Use the sync pack built for the installed Proton release

Some Proton releases ship byte-identical ntdll.so and wineserver (Valve
11.0-2b/2c, CachyOS 0702/0703), so a pack built for a newer release
matched an older install exactly and the older install never fetched its
own pack. A pack from a newer release no longer counts as an exact match;
among matches the one built for the installed version wins, then rev.

The app ranks the pack a tool already uses the same way and only fetches
a pack that ranks higher, reads the release epoch from tools.tsv and
refetches when tools.tsv changes. A prefix whose server is still running
re-checks its recorded pack on waitforexitandrun and starts fresh when a
better one now applies.

* Keep published sync packs and revocations consistent

The publish step never replaces a pack that has an entry beside it; a
pack left without its entry by an interrupted run is replaced so the
build stops repeating. Discovery counts revocations the signed index does
not show yet, including superseded packs only the flavor releases list,
so the index is signed again. The release watch always builds every
flavor.

* Fetch the droiddeck-esync packs from DroidDeck-Components

The packs, the signed index and the apk bundle now live in the releases
of Droid-Deck/DroidDeck-Components, together with the pipeline that
builds them, so this repository keeps only the app and the guest code
that consumes them. The app's index and asset URLs point there,
release.env names the repository its bundle comes from, and the apk
builds drop bundled packs that the published index revokes.

* Stop the apk build when the published sync index cannot be read

* Ask Steam for one FEX dependency at a time

The client shows a confirmation dialog for each steam://install, and a
second request replaces the first dialog, so FEX was never installed
when the runtime was requested right after it. The next dependency is
now requested once the previous one has an app manifest.

* Use generic names in the AppImage test fixtures

* Give x86-64 apps under FEX the Vulkan thunk

Apps that bring their own glibc and Vulkan loader skipped FEX's thunk
overlay and loaded their bundled desktop Mesa drivers, which crash on the
phone's GPU during Vulkan setup. droiddeck-fex now adds an x86-64 audit
module when a program's bundled glibc and libstdc++ meet the thunk's
version needs. The module sends libvulkan.so.1 lookups to a nodelete stub
that needs FEX's thunk path. That keeps the thunk mapped when an app
unloads Vulkan and loads it again, since FEX keeps its first trampoline
links and the old addresses get reused.

The fault reporter now restores the default action before re-raising,
because FEX ignores SA_RESETHAND and the handler looped.
2026-10-04 12:43:57 -04:00
maxjivi05 fc90b80fd8 Add proot fast path for in-process path lookups
Preload library answers stat/open/access/readlink in-process via a
trampoline page proot 0014 lets through seccomp. On by default with a
Performance toggle; also sets GLIBC_TUNABLES rseq=0 and malloc top_pad.
2026-09-30 21:05:10 -04:00
Kurt HimebauchandMaxsTechReview 4a234b2824 feat: Flatpak apps and a Flathub store (#77)
* feat: run Flatpak apps through a proot bwrap stand-in and add a Flathub store

* feat: give Flatpak apps the KGSL GPU, the controllers and a CPU LLVM can target

* feat: Flatpak games on the desktop, Store apps on the Desktop page, safer remove

* test: cover the sandbox planner and store helpers; docs: explain Flatpak on DroidDeck

* fix: keep controller focus through Store tabs and app pages; show progress per Flatpak step

* fix: let Chromium, Electron and Firefox Flatpaks start without their own sandboxes

* fix: fetch Flatpak's supporting libraries when the runtime lacks them

* fix: add Flathub without a download, log store commands, keep Electron apps on X11 under gamescope

* feat: import ARM64 AppImages from storage and run them from the Desktop page

* fix: report failed Flatpak installs as failures and deploy runtimes that ship a resolv.conf link

* fix: let Flatpak create its repo where Android denies hard links

* fix: point store commands at the current network's DNS

* fix: keep failed Flatpak extensions non-fatal, give Electron AppImages a bus, X11 and time to relaunch

* docs: AppImage import and what x86 apps would take

* feat: put the Flathub Store and AppImage import behind beta toggles in Setup

---------

Co-authored-by: MaxsTechReview <maxjividen@gmail.com>
2026-09-30 00:35:49 -04:00
maxjivi05 cc37cc8a4d perf: stop proot's fake_id0 and ioctl traps from stopping every stat, sendmsg and GPU ioctl
fake_id0 (loaded by -i for Xwayland's set*id) now traces only the set*id
family and the xattr fixups when the ids given are proot's own, and the
seccomp filter traces ioctl only for the termios and FICLONE requests
proot rewrites. The faccessat2 and statx exit stops are dropped on
kernels that have the calls.
2026-09-29 18:44:32 -04:00
xXJsonDeruloXx 4f14d396bc perf: stop proot's kompat from trapping futex/epoll/fcntl and stripping the vDSO when only the hostname changes 2026-09-29 14:39:53 -04:00
maxjivi05 866cfbd17a proot: port WinNative's seccomp and tracee performance fixes
Brings the proot patch set up to WinNative 53836ca9 on top of the #772 port:

- trace prctl, setrlimit and prlimit64 in the seccomp filter only for the
  arguments proot acts on, and uname only where the core rewrites it
- answer a seccomp stop's filter flags from the registers fetched for its
  translation, reuse those registers, and skip the sysexit stop of wait4 left
  to the kernel and accept without a sockaddr; the flags come from proot's list
  merged with the enabled extensions, and a syscall an extension replaced
  keeps its exit stop
- take a clone3 child's flags and exit signal from struct clone_args
- name a thread's /proc/self by its thread group and resolve /proc/thread-self
- translate fchmodat2, send openat2 callers to openat, and bound sysnum lookups
  by the table length
- sweep relatives only for tracees that have children or ptracees, and empty
  the per-stop memory collector instead of reallocating it
2026-09-27 08:10:58 -04:00
maxjivi05 b8fcef622e proot: build the runtime's proot from source with WinNative's performance fixes
The runtime carries Termux's proot 5.1.107-70 as a prebuilt binary, built from
termux/proot 4dba3afb (every file:line site in it matches that commit). The apk
now builds that same commit with the NDK, with three patches ported from
WinNative's feature/proot-enhancements, and prefers it over the runtime's copy:

- Tracees are hashed by pid, so each ptrace stop finds its tracee without
  walking a list of every thread, and terminated tracees are swept only after
  a termination.
- A clean absolute path three or more directories deep under the rootfs alone
  has its parent opened once and taken as canonical when the kernel's path for
  it is the one proot would build, instead of an lstat per component; the final
  component of a call that does not follow it is no longer lstat'ed. Extensions
  still see the parent's host path, and the f2fs workaround keeps the old walk.
- A clone3 thread keeps its inherited flags when clone_args cannot be read.

talloc is linked in statically from Samba's release tarball, so libproot.so
needs only libc and libdl. On an x86_64 Android 15 emulator the same build ran
a path and thread test suite with output identical to the unpatched commit
(fake id, fake root, link2symlink, with and without seccomp), and a stat-heavy
benchmark ran 25-27% faster, 31-36% with 1500 live threads.
2026-09-23 22:03:57 -04:00