baronsmv

baronsmv / linux-rt-upscaler

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A real‑time AI upscaler for any application window on GNU/Linux.

pypi.orgprojectlinux-rt-upscaler compushady cunny ewmh hsls illustrations
17
0
100% credibility
Found Mar 18, 2026 at 17 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
HLSL
AI Summary

A Linux tool that captures any application window, upscales it in real-time using AI for sharper full-screen display, and forwards mouse inputs to the original window.

How It Works

1
💡 Discover the Magic Tool

You learn about a handy Linux tool that makes any small window look big, sharp, and beautiful on your full screen.

2
📥 Set It Up Easily

Follow a few simple steps to add the upscaler to your computer so it's ready to use anytime.

3
Pick Your Window
👆
Use the One You're On

It waits a few seconds and grabs whatever window is active right now.

📋
Choose from a List

See all open windows and pick the exact one you want to upscale.

🚀
Start a New App

Launch your game or program, and it finds and upscales its window automatically.

4
✨ See It Transform

Your window explodes to fill the whole screen, now super clear and detailed like never before.

5
🖱️ Interact Naturally

Click, drag, and move your mouse on the giant sharp image – it controls the original perfectly.

🎉 Enjoy Stunning Views

Relax and play with your apps looking crisp and vibrant, making every detail pop beautifully.

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Star Growth

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AI-Generated Review

What is linux-rt-upscaler?

This realtime AI upscaler grabs any application window on GNU/Linux and scales it 2x or 4x using CuNNy neural networks via HLSL shaders on Vulkan GPUs. It overlays the result full-screen with black bars to preserve aspect ratio, while forwarding mouse clicks and motion to the original window. Run `upscale` from CLI to target the active window, pick one interactively with `-s`, or launch a program like `upscale firefox`.

Why is it gaining traction?

Linux lacks native realtime image upscaler tools like Windows' Magpie— this fills the gap with low-overhead GPU acceleration on NVIDIA, AMD, or Intel, plus XWayland support for Wayland desktops. Nine CuNNy models balance quality vs speed (e.g., `veryfast` for weak hardware, `8x32` for max detail), tuned for anime-style art and illustrations. Input passthrough and dimming options make it feel seamless for full-screen use.

Who should use this?

Visual novel players on Linux scaling 800x600 games to 4K monitors without blurriness. Retro gamers upscaling emulators or low-res apps like DOSBox windows. UI designers previewing pixel art or legacy software in crisp full-screen on modern displays.

Verdict

Try it if you're on GNU/Linux needing a realtime window upscaler—pipx install is dead simple, docs are thorough, but 17 stars and 1.0% credibility reflect beta maturity (no Python 3.14 support yet). Solid for niche workflows, monitor issues for native Wayland.

(198 words)

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