Shi Notes

My notes for OptiScaler with XeFG

OptiScaler - GitHub Sponsors - Buy Me a Coffee

dashdogy - Ko-fi

• I - Quickstart
  • Prerequisites
  • Install
  • In-game
  • Update & Beta
• II - OptiScaler
  • 1. Upscaling
  • 2. Frame Generation
  • 3. Latency & FPS
• Known Issues
  • How to Send Logs
  • By GPU
  • By Engine
  • By Game
• Links & Changelog
  • dashdogy
  • Pliskin
  • XeFG
• Full Credit

I - Quickstart (5-15 minutes)

Note: This is for Stable, as for Beta, it will be the same with some minor changes here

Prerequisites

Install

1
2
3
4
5
6
7

📁 Opti
├── 📄 setup_windows.bat                     <-- # setup_linux.sh for Linux
├── 📄 OptiScaler.dll                        <-- # Replace with dashdogy's OptiScaler.dll
├── 📄 OptiScaler.ini                        <-- # Set: LoadAsiPlugins = true
└── 📁 OptiScaler
    └── 📁 plugins                           <-- # Create folder
        └── 📄 MFGUnlocker.asi               <-- # Rename from .dll to .asi

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17

📁 Game
├── 📄 Game.exe
│
├── OptiScaler -----------------------------------------
├── 📄 setup_windows.bat                     <-- # Run this (or setup_linux.sh)
├── 📄 OptiScaler.dll                        <-- # winmm.dll | dxgi.dll | d3d12.dll | ...
├── 📄 OptiScaler.ini
├── 📁 OptiScaler
│   ├── 📄 Streamlined_fetcher_windows.bat   <-- # Run this
│   ├── 📁 streamline
│   └── 📁 plugins
│       ├── 📄 MFGUnlocker.asi
│       └── 📄 OptiPatcher.asi               <-- # Auto-installed by setup_windows.bat/setup_linux.sh if needed
│
├── Other ----------------------------------------------
├── 📄 REFramework.dll                       <-- # (If needed, check OptiScaler Compatibility List)
└── 📄 Ultimate ASI Loader.dll               <-- # (If needed, check OptiScaler Compatibility List)

In-game

Update & Beta

II - OptiScaler

1. Upscaling

• Pick presets based on priority: Quality > Latency > Performance Cost.
• E/K/M/L tend to look the best at their respective quality levels from what the community's found.
• Recommended mappings:
  - Preset E: DLAA / Ultra Quality
  - Preset K: Quality (varies by game, can look bad in e.g. UE5)
  - Preset M: Quality / Balanced / Performance
  - Preset L: Performance / Ultra Performance
• If latency and cost aren't a concern, experiment freely (e.g., DLAA + Preset L). Estimate latency/cost from the reference below.

2. Frame Generation

• DLSSG via Streamline — Best option. DX12 only, requires DLSS-G support. Streamline 1 games aren't supported.
• FSR 3.1 / 3.0 FG — Fallback if Streamline doesn't work.

• OptiFG — For DX12/DX11 games without native FG. HUD might break — try HUDFix. Details on the OptiFG page.

• Frame Gen — Main toggle, sets the FG multiplier (2X, 3X, etc.). Keep base FPS above ~35, or interpolation will feel off.
• Dynamic MFG — Recommended. Dynamically adjusts the multiplier per-frame based on current FPS, help with lag spikes.
• Max Frame Gen — Only with DMFG on. Caps how high DMFG can scale. 4X is all-around good.
• Rounding: Only with DMFG on. Controls how DMFG adapts its multiplier relative to Target FPS.
  - Around target — Adapts to whichever multiplier lands closest to Target FPS.
  - At most target — Only adapts to multipliers at or below Target FPS. Acts as max FPS limiter — disable OptiScaler's FPS Limiter to avoid conflicts.
  - At least target — Only adapts to multipliers at or above Target FPS. Acts as min FPS limiter.

3. Latency & FPS

• Use the VRR Frame Cap Calculator or use this formula on Wolfram (set 000 to your monitor Hz) . Enable to keep latency in check.
• Set to 0 (OFF) only if using At most rounding in DMFG — otherwise they conflict.

• Active Input — Leave on default, you usually only have one option, change only if you know what you're doing.
• Active Output — For XeFG, XeLL (default) is the stable pick. Can try Reflex or AL2 to compare, could be better depending on the build.

Known Issues

How to Send Logs

1. Set LogToFile = true in OptiScaler.ini. 2. Attach both OptiScaler.log and RTXMFG.log. 3. Include some info like below with your logs:

• [Game] - [API] - [GPU]
• Description: What went wrong vs. what was expected to happen.
• Other Tools: Using anything on top of it (e.g., RTSS, ReShade, OptiScaler forks, mods).

Example:

• Arknights Endfield - Vulkan - RTX 5090
• Description: Black screen on launch, FG is stuck at 2X.
• Other Tools: Using RTSS and ReShade.

By GPU

By Engine

By Game

1
2
3

SpoofedDeviceId = 0x2b80
SpoofedGPUName = NVIDIA GeForce RTX 5090
Dxgi = true

Links & Changelog

dashdogy

sdli1995

Pliskin

XeFG

Full Credit

• OptiScaler team for OptiScaler - GitHub Sponsors - Buy Me a Coffee
• dashdogy for MFGUnlocker - Ko-fi
• sdli1995 for DLSSG for SM86 - XeMFG CUDA
• Discord@realdody for XeFGUnlock
• praydog for REFramework - GitHub Sponsors - Patreon
• onehoon for REFramework's fork

── ── ── ── ── 🚧 [ WIP AREA ] 🚧 ── ── ── ── ──

III - ReShade

── ── ── ── ── 🚧 [ WIP AREA ] 🚧 ── ── ── ── ──