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docs(readme): Windows host capture is IDD-push, not DXGI/WGC

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The DXGI Desktop Duplication + WGC relay paths were removed; sealed
IDD-push (finished frames pushed straight into the host's own IddCx
driver, no screen-scraping) is now the sole Windows capture path. Fix the
stale "DXGI/WGC capture" claims in the root and punktfunk-host READMEs,
which also contradicted the push-based IDD description already present in
the root README.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-07-06 07:28:29 +02:00
parent 27c53a4b53
commit ab56536842
2 changed files with 5 additions and 4 deletions
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crates/punktfunk-host/README.md
+4 -3
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@@ -20,8 +20,9 @@ platform-facing around it.
- **Per-client virtual displays at the exact WxH@Hz.** Linux uses per-compositor backends — **KWin**,
**gamescope**, **Mutter**, and **Sway/wlroots**; Windows uses its own all-Rust IddCx virtual display,
even on the secure desktop (UAC / lock screen).
- **GPU zero-copy capture → encode.** dmabuf → CUDA/Vulkan → NVENC on Linux; DXGI/WGC → GPU encode on
Windows. Encoders auto-select by GPU vendor: **NVENC** (NVIDIA), **VAAPI** (Linux AMD/Intel),
- **GPU zero-copy capture → encode.** dmabuf → CUDA/Vulkan → NVENC on Linux; on Windows the host
pushes frames straight into its own IDD (sealed IDD-push, no screen-scraping) → GPU encode.
Encoders auto-select by GPU vendor: **NVENC** (NVIDIA), **VAAPI** (Linux AMD/Intel),
**AMF/QSV** (Windows AMD/Intel), or software H.264 as a floor. HDR/10-bit and HEVC 4:4:4 supported.
- **Input injection.** Mouse/keyboard (libei / gamescope EIS / wlr / Windows SendInput) and virtual
**gamepads** — Xbox 360/One, DualSense, DualShock 4 — with rumble and HID feedback back-channels.
@@ -70,7 +71,7 @@ src/
main.rs CLI + subcommand dispatch
config.rs · session_plan.rs · session_tuning.rs · pipeline.rs session setup + the frame pipeline
vdisplay/ per-compositor virtual outputs (kwin · gamescope · mutter · wlroots)
capture/ · capture.rs screen/dmabuf capture (+ Windows DXGI/WGC)
capture/ · capture.rs screen/dmabuf capture (+ Windows IDD-push)
encode/ · encode.rs per-GPU encoders (nvenc · vaapi · ffmpeg_win (AMF/QSV) · sw)
zerocopy/ dmabuf → CUDA → NVENC bridges (EGL/GL tiled, Vulkan LINEAR)
inject/ · inject.rs input backends (libei · wlr · uinput gamepads · UHID DualSense/DS4)