Definitive Manual

The Gaming Bible

From DXVK Mathematics to Kernel Frame-Timing: The Ultimate Linux Gaming Treatise.

The Paradigm Shift: Console-Grade Desktop

For twenty years, Linux gaming was a game of "cat and mouse." We were emulating Windows calls, fighting with Wine prefixes, and begging developers for native ports. In 2026, the era of "begging" is over. Through the success of the Steam Deck and the maturity of the Vulkan ecosystem, Linux has become the Reference Platform for high-performance gaming. Tebian is the weaponization of that platform.

This treatise breaks down the C-level stack that makes Tebian faster than Windows for 90% of modern titles. We don't use "Compatibility Layers"; we use Translation Proxies that speak directly to the GPU.

1. The Mathematics of DXVK: DirectX to Vulkan

Most modern games are written for DirectX 11 or 12. Windows executes these calls through its own closed-source drivers. Tebian uses DXVK (DirectX-over-Vulkan). This is not emulation. It is a translation of the DirectX state machine into Vulkan commands.

How it works at the C-Level

When a game issues a Draw() call in DirectX, DXVK intercepts that call and translates it into a Vulkan vkCmdDraw(). Because Vulkan is a lower-level API than DirectX 11, it allows for more efficient multi-threading. While Windows chokes on single-threaded DirectX dispatching, Tebian's DXVK can spread that load across all CPU cores. This results in lower CPU overhead and higher minimum 1% lows.

  • Shader Pre-Caching: Tebian's Steam integration pre-compiles shaders before you launch the game. This eliminates the "Shader Stutter" common on Windows.
  • VKD3D: For DirectX 12, we use VKD3D-Proton, which maps DX12's heavy multi-threading directly to Vulkan's queue architecture.

2. Kernel Frame-Timing: Eliminating Jitter

The difference between "60 FPS" and "Smooth 60 FPS" is Frame-Time Consistency. If your frames arrive at 16.6ms, 12ms, then 20ms, you will experience "stutter" even if the average FPS is high. Windows 11 is notorious for "Background Jitter"—background services checking for updates or sending telemetry interrupt the CPU every few milliseconds.

Tebian's GameMode daemon, written in C, performs a surgical strike on the kernel when you launch a game:

  • CPU Governor: It sets the CPU governor to performance, preventing the CPU from "downclocking" during quiet moments in a game.
  • I/O Priority: It grants the game process SCHED_ISO (isochronous) priority, ensuring that even if a background disk write happens, the game's frame-dispatch remains uninterrupted.
  • GPU Power States: It locks your NVIDIA or AMD GPU into its highest P-State, ensuring consistent clock speeds.

3. The Anti-Cheat Frontier: Sovereignty vs. Slavery

The final boss of Linux gaming is Kernel-Level Anti-Cheat (KLAC). Games like Valorant, Destiny 2, and Modern Warfare use drivers that sit in "Ring 0"—the same level as your OS kernel. They have total access to your hardware and your data. From a security perspective, these are "Authorized Rootkits."

The Tebian Approach: The Safe Dual-Boot

We believe your OS kernel belongs to you, not to a game developer. We refuse to compromise the security of Tebian by allowing proprietary rootkits into our kernel. Instead, we provide the Windows Escape Hatch.

During setup, Tebian guides you through a safe, non-destructive partition of your SSD. You keep a minimal Windows install specifically for KLAC games. Tebian's GRUB menu allows you to switch in seconds. You are not "dual-booting distros"; you are isolating corporate-controlled software from your sovereign workstation.

4. Real-Time Telemetry: MangoHud and Glow

A professional gamer needs data. Tebian comes pre-configured with MangoHud, a C-based overlay that provides more data than MSI Afterburner ever could. You can see your VRAM usage, your frame-times (in graph form), your GPU power draw, and your CPU thermals—all rendered via Vulkan so they don't impact FPS.

For system-wide monitoring, we use Glow (the CLI monitor). It reads directly from /proc and /sys, giving you a C-level view of your hardware health without the overhead of a GUI dashboard.

Conclusion: The Only Gaming OS You Need

Tebian isn't a "Linux for Gamers." It is a high-performance C-based foundation that happens to be the best gaming platform in the world. By removing the telemetry, the frameworks, and the background noise of Windows, we give you 100% of the hardware you paid for. One ISO. One menu. Native speed. This is the end of the "Gaming on Linux" myth. It is just gaming. And it is better here.