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.gitlfsconfig
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ANNOUNCEMENT.md
ANNOUNCEMENT.md
 
 
AUR_CHECKLIST.md
AUR_CHECKLIST.md
 
 
AUR_PUBLISH_COMMANDS.sh
AUR_PUBLISH_COMMANDS.sh
 
 
CONTRIBUTING.md
CONTRIBUTING.md
 
 
LICENSE
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PROJECT_DESIGN.md
PROJECT_DESIGN.md
 
 
PROJECT_STATUS.md
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README.md
README.md
 
 
RELEASE_NOTES_FSR4.2.0_SUPPORT.md
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RELEASE_NOTES_v0.1.0.md
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OptiScaler for Linux: Boost FPS in Games with FSR4, XeSS & DLSS on Steam, Proton & Steam Deck

💎 Automated GPU Optimization for Linux Gaming 💎

FPS Boost Latency Quality Steam Deck FSR4

CI License Status Version Platform AUR

🚀 Automatically configure OptiScaler for FSR4 • XeSS • DLSS

Intelligent • Automated • Safe • Open Source

TL;DR: OptiScaler for Linux automatically configures FSR4, XeSS, and DLSS upscaling for massive FPS gains in Linux games. One-command installation. Works with Steam, Proton, and Steam Deck. Supports AMD, Intel, and NVIDIA GPUs. 50-80% FPS boost in Cyberpunk 2077, Starfield, and more.

🎉 NEW: FSR 4.2.0 Support Released!

🚀 70-90% FPS Boost with Advanced AI Upscaling

FSR 4.2.0 is now fully supported with optimizations for Steam Deck and all AMD RDNA GPUs!

Feature Improvement
FPS Boost 70-90% (vs 50-70% FSR3.1)
Image Quality 92-94% of native (vs 85% FSR3.1)
Latency Reduction 40-50% (vs 30-40% FSR3.1)
Motion Handling Advanced AI-based prediction
Frame Generation Experimental support available

👉 Read FSR 4.2.0 Release Notes for full details

🎮 Boost FPS in Linux Games by 50-80% with Automated OptiScaler Setup

Are you experiencing low FPS, stuttering, or poor performance in your Linux games?

OptiScaler for Linux automatically configures OptiScaler on your system to unlock massive performance gains using FSR 3.1/4, XeSS, and DLSS upscaling technologies.

Whether you're gaming on Steam with Proton, running native Linux games, or playing on Steam Deck, this tool:

  • ✅ Detects your GPU (AMD, Intel, or NVIDIA) and its capabilities
  • ✅ Scans your Steam library and finds compatible games automatically
  • ✅ Generates optimal configurations for FSR4, XeSS, or DLSS based on your hardware
  • ✅ Installs everything automatically with full backup and rollback support

One command. Massive FPS boost. Perfect for Steam Deck users.

👥 Who Should Use OptiScaler for Linux?

This automated installer is designed for:

  • 🐧 Linux gamers who want better FPS without upgrading hardware
  • 🎮 Steam users playing Windows games via Proton on Linux
  • 🎯 Steam Deck owners looking to maximize portable gaming performance
  • 🔧 GPU owners: Works with AMD (RDNA1/2/3/4), Intel Arc, and NVIDIA RTX/GTX cards
  • 🚀 Performance seekers wanting FSR4, XeSS, or DLSS upscaling on Linux

No manual configuration required. No technical expertise needed. Just run the installer and enjoy better FPS.

🎯 The Ultimate Linux Gaming Performance Booster

🐧 Linux Native 🎮 Windows Games 🔥 Steam Ready 💎 Multi-GPU
Full Linux support via Proton/Wine Deck compatible AMD/Intel/NVIDIA

🎬 How OptiScaler Boosts FPS in Linux Games with Steam & Proton

Three Simple Steps to Maximum Performance in Linux Gaming

🔍 Step 1: Detect

Automatic GPU Recognition

AMD
Intel
NVIDIA

All vendors supported
Driver validation
Capability analysis

⚙️ Step 2: Configure

Smart Optimization

OptiScaler ✓
FSR3.1 / FSR4
XeSS / DLSS

fakenvapi (AMD/Intel)
Anti-Lag 2
Reflex emulation

🚀 Step 3: Game

Instant Results

+50-80% FPS
-30-45% Latency
9/10 Quality

Auto backups ✓
One command ✓

💡 What You Get Per GPU Vendor for Linux Gaming

GPU Vendor OptiScaler fakenvapi Benefit
AMD ✅ FSR3.1/4 ✅ Anti-Lag 2 Full optimization
Intel ✅ XeSS ✅ Reflex-like Complete support
NVIDIA ✅ DLSS boost ➖ Native Reflex Already optimized

✨ Features: Intelligent GPU Detection & Automated Configuration for Linux Gaming

🎯 Intelligent Detection

  • 🔍 Automatic GPU identification
    • AMD (RDNA1/2/3/4, GCN)
    • Intel (Arc, Integrated)
    • NVIDIA (RTX 20/30/40)
  • 🎮 Steam library scanning
  • 📊 Driver version checking
  • ⚙️ Capability analysis

🚀 Smart Configuration

  • 📝 Profile-based optimization
    • 6 GPU profiles
    • 10+ game profiles
  • 🔧 Automated file generation
    • OptiScaler.ini
    • fakenvapi.ini (AMD/Intel)
  • 💾 Automatic backups
  • 🔄 Easy rollback

🚀 Quick Start: Boost Your FPS on Linux in 30 Seconds

Option 1: One-Line Install (Fastest)

git clone https://github.com/ind4skylivey/0ptiscaler4linux.git
cd 0ptiscaler4linux
bash scripts/install.sh

Option 2: AUR Package (Arch/Manjaro Users)

# Using yay
yay -S optiscaler-universal

# Using paru
paru -S optiscaler-universal

# Manual install
git clone https://aur.archlinux.org/optiscaler-universal.git
cd optiscaler-universal
makepkg -si

After installation, run:

optiscaler-install  # System-wide command

Steam Deck users: Follow our Steam Deck Setup Guide for optimized installation.

🔍 Advanced Game Detection

OptiScaler now includes an intelligent multi-disk Steam scanner:

  • ✅ Universal library discovery across all mounted disks (/mnt, /media, Steam Deck)
  • ✅ AppID-first matching (100% reliable when manifests exist)
  • ✅ 4-method fallback: manifest → folder fuzzy → executable probe → compatdata lookup
  • ✅ Proton prefix awareness and writable-path checks
  • ✅ Smart caching (5-minute TTL) with --force-rescan to bypass

CLI flags you can use:

# Scan only (no install), cached
bash scripts/install.sh --scan-only --verbose

# Force fresh scan
bash scripts/install.sh --scan-only --force-rescan

# List supported games
bash scripts/install.sh --list-games

# Max detail for debugging
LOG_LEVEL=DEBUG bash scripts/install.sh --scan-only --debug

See the detailed flow in docs/multi-disk-detection.md.

💥 Linux Gaming Performance: Real FPS Gains

🎮 Game 🖥️ GPU 📈 Before 📈 After 🚀 Gain
Cyberpunk 2077 RX 7900 XTX 85 FPS 142 FPS +67%
Starfield RX 6800 XT 52 FPS 89 FPS +71%
Hogwarts Legacy Arc A770 45 FPS 72 FPS +60%
Red Dead 2 RX 7600 58 FPS 95 FPS +64%

All tests performed on Linux with Steam + Proton

Want to optimize Cyberpunk 2077 on Linux? Check out our Cyberpunk 2077 Linux FSR4 Guide.

🎮 Supported Games: Linux Gaming Performance Tested with Proton & Steam

Cyberpunk
Full RT Support 		Starfield
Creation Engine 2 		Spider-Man
Excellent RT 		Hogwarts
Full RT Support
RDR2
Vulkan Optimized 		GoW
DX12 Optimized 		AW2
Path Tracing
+ Many More Compatible Linux Games!

📋 View Full Game Compatibility List →

🖥️ Supported GPUs for Linux Gaming

🎯 Comprehensive GPU Support for AMD, Intel & NVIDIA

🔴 AMD

  • ✅ RDNA4 (RX 9000)
    • FSR4 native
    • +60-80% FPS
  • ✅ RDNA3 (RX 7000)
    • FSR3.1 optimized
    • +50-70% FPS
  • ✅ RDNA2 (RX 6000)
    • Anti-Lag 2
    • +55-75% FPS
  • ✅ RDNA1 (RX 5000)
    • +40-60% FPS

🔵 Intel

  • ✅ Arc A-series
    • XeSS native
    • +40-60% FPS
    • DX12/Vulkan
  • ⚠️ Integrated
    • FSR3.1 fallback
    • +30-50% FPS

🟢 NVIDIA

  • ✅ RTX 40/30/20
    • Native DLSS
    • Native Reflex
    • OptiScaler optional
  • ⚠️ GTX 16/10
    • FSR3.1 support
    • +35-55% FPS

For detailed profiles and recommendations, see our GPU Profiles Guide for Linux Gaming.

📚 Documentation

Getting Started:

Technical Guides:

Game-Specific:

Project Info:

🛠️ Advanced Features

🔍 GPU Detection & Driver Validation
  • Automatic vendor identification (AMD/Intel/NVIDIA)
  • Architecture detection (RDNA, Arc, Ampere, etc.)
  • Driver version checking (Mesa/NVIDIA)
  • Capability analysis (FSR4, XeSS, DLSS support)
  • Profile selection based on hardware
🎮 Steam Library Scanner
  • Steam library auto-detection
  • Multiple library support
  • Proton compatibility checking
  • Game-specific profile matching
  • Installation verification
⚙️ Configuration Generator
  • Optimal settings per GPU
  • Game-specific tuning
  • FSR/XeSS/DLSS configuration
  • Anti-Lag/Reflex setup
  • Quality vs Performance presets
💾 Safety Features
  • Automatic file backups
  • One-command rollback
  • Non-destructive installation
  • Dry-run mode available
  • Comprehensive logging

🔧 Advanced Usage

Manual Game Addition

bash scripts/install.sh --game-dir "/path/to/game" --game-profile "generic"

Custom GPU Profile

bash scripts/install.sh --gpu-profile "custom.yaml"

Benchmark Mode

bash scripts/benchmark.sh --game "Cyberpunk 2077" --runs 5

Diagnostics

bash scripts/diagnose.sh --game "New World" --verbose

🤝 Contributing

We welcome contributions from the Linux gaming community! Whether it's:

  • 🐛 Bug reports
  • ✨ Feature requests for Linux gaming optimization
  • 📝 Documentation improvements
  • 🎮 New game profiles for Steam/Proton games
  • 🖥️ GPU profile optimizations for AMD/Intel/NVIDIA
  • 🧪 Testing and feedback on Steam Deck

Please see Contributing Guide for guidelines.

📊 Project Status

Current Version: 0.1.0-alpha

Phase 1: Alpha Release ✅ Complete!

  • Project structure
  • Design documentation
  • GPU detection (AMD/Intel/NVIDIA)
  • Steam game scanner
  • 10 game profiles
  • Configuration generator
  • Automated installer
  • Core documentation

View full roadmap →

🌐 Linux Gaming Community

⭐ Found This Useful?

If OptiScaler for Linux helped boost your FPS, please:

  • ⭐ Star this repository to help other Linux gamers and Steam Deck users find it
  • 🐛 Report issues if you encounter problems: Open an issue
  • 💬 Share your FPS gains on r/linux_gaming or ProtonDB
  • 🤝 Contribute game profiles, GPU optimizations, or Steam Deck tweaks

Your feedback makes Linux gaming better for everyone.

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

Third-Party Software

🙏 Acknowledgments

  • OptiScaler Team - For creating the amazing OptiScaler mod
  • fakenvapi - For enabling Anti-Lag 2 on AMD GPUs for Linux
  • Linux Gaming Community - For continuous support and testing
  • AMD, Intel, NVIDIA - For their upscaling technologies (FSR4, XeSS, DLSS)
  • Valve - For Proton and Steam Deck, advancing Linux gaming

⚠️ Disclaimer

This is an unofficial tool not affiliated with or endorsed by AMD, Intel, NVIDIA, Valve, or any game developers. Use at your own risk. Always backup your game files before modification.

This tool is designed specifically for Linux gaming with Steam, Proton, and Steam Deck.

🚀 Ready to Boost Your Linux Gaming FPS?

Get Started in 30 Seconds

git clone https://github.com/ind4skylivey/0ptiscaler4linux.git
cd 0ptiscaler4linux
bash scripts/install.sh

🎯 Quick Links

Get Started Documentation Report Bug Contribute

💬 Join the Linux Gaming Community

GitHub Issues GitHub Stars GitHub Forks

r/linux_gaming • ProtonDB • Gaming on Linux • Steam Deck HQ

🎮 Unlock Massive FPS Gains on Linux

Automated • Intelligent • Safe • Perfect for Steam Deck

Built with ❤️ by S1BGr0up for the Linux gaming community

Powered by OptiScaler • fakenvapi • The Linux Gaming Community

About

The intelligent OptiScaler installer Linux gamers needed. Automates FSR4, XeSS & DLSS configuration with GPU-optimized profiles for RDNA3/4, Arc & RTX cards.

ind4skylivey.github.io/0ptiscaler4linux/

Topics

vulkan proton linux-tools shell-scripting upscaling mesa gaming-performance gpu-optimization dlss linux-gaming xess steam-deck rdna3 frame-generation rdna4 optiscaler fsr4 amd-fsr

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# OptiScaler4Linux - FSR 4.2.0 Support Release Latest
Jan 7, 2026
+ 3 releases

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