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docs: first-class Linux + Windows positioning + IDD-push differentiator

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Drop the "Linux-first" framing across the README and docs site in favor of
first-class Linux AND Windows hosts, and surface the Windows IDD-push
virtual-display path as a distinct differentiator (punktfunk's own indirect
display driver the host pushes frames into — a real virtual display, no physical
monitor or dummy plug, even on the secure desktop).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-06-26 11:53:02 +00:00
parent 0925f1aaa1
commit 3f96e96106
7 changed files with 44 additions and 26 deletions
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docs-site/content/docs/how-it-works.md
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@@ -16,14 +16,22 @@ monitor. When the client disconnects, the virtual display goes away.
That's why a 1080p60 laptop and a 1440p120 desktop can stream from the same host **at the same time**,
each at its own mode — they each get their own virtual display.
How the virtual display is created depends on your desktop:
How the virtual display is created depends on your host:
| Desktop | How |
| Host | How |
|---|---|
| **GNOME** (Mutter) | A virtual monitor via the screen-cast API |
| **KDE Plasma** (KWin) | A virtual output via KWin's screencast |
| **Bazzite / Steam** (gamescope) | A nested gamescope session launched at the client's mode |
| **Sway** (wlroots) | A headless output added to the running session |
| **Windows** | A virtual-display driver — including punktfunk's own **indirect display driver** the host pushes frames straight into — a real virtual display, no physical monitor, even on the secure desktop |
That last one is the distinctive part on Windows: rather than only capturing an existing screen,
punktfunk has **its own indirect display driver (IDD)**, and the host can push finished frames
**straight into the driver**. You get the same on-the-fly virtual display the Linux compositors give
you — at the client's exact mode, with no physical monitor or dummy HDMI dongle, and even on the
secure desktop (UAC / lock screen). That tight, push-based integration is unusual among Windows
streaming hosts.
## From screen to GPU to wire