Gravy Mods
Upscaling in SimplePlanes 2

Upscaling

Sharper upscaling with AMD FSR 1, plus a finer render-scale setting.

Version
Version 0.1.0
Works with
SimplePlanes 2 0.7.9
Updated
Online
Local onlyExperimental: still has bugs in multiplayer
Needs
BepInEx 5. The Gravy Mod Menu is recommended.

How to install

What it does

Better image quality at a lower render resolution in SimplePlanes 2. The game runs on Unity 6's Universal Render Pipeline, which has AMD FSR 1 built in, but the game upscales with plain bilinear. This mod switches FSR 1 on, ties it to the game's Resolution Scale setting (or a finer render-scale slider of its own) and shows what is actually running.

Features

  • Upscaler choice: FSR 1, plain Bilinear or Point (for comparison), or Game default.
  • Fallback, so the picture never breaks: if FSR 1 can't run on your graphics card, the game's default is used. The log has one line saying why, and so does the status.
  • Render scale:
    • By default the game's own Resolution Scale setting (Settings > Display) is used.
    • Override Render Scale gives a 50–100% slider in 1% steps, so 67% and 77% are possible. The game's setting is kept and comes back when the override is switched off.
  • FSR 1 sharpness slider.
  • Keeps your anti-aliasing: SMAA, FXAA, MSAA or Graphics Plus's TAA run at the internal resolution, then FSR 1 upscales and sharpens the result.
  • Restores cleanly: every value is put back to what was underneath (the game's, or another mod's) when you switch an option off.
  • Rendering only (see Multiplayer below).

Usage

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Settings and the live status are in the Gravy Mod Menu (Upscaling tab) if that mod is installed. Without it, edit BepInEx/config/rygar.sp2.upscaling.cfg. Changes apply immediately.

Upscaling tab in the Gravy Mod Menu (open larger)
Upscaling tab in the Gravy Mod Menu

Status rows:

  • Upscaler: what's in effect. Fallback reason: why it isn't what you chose.
  • Render scale: the value, and whether it's this mod's, the game's or another mod's.
  • Main camera: what upscales the flight camera right now.
  • Resolution: internal → screen resolution.
  • Anti-aliasing: what anti-aliases the picture.

Buttons:

  • Log Cameras: writes one line per camera to the BepInEx log: its size, post-processing, anti-aliasing, target and what upscales it now.

Multiplayer

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Experimental online. This mod runs in multiplayer, but it still has bugs there that aren't fixed yet. It works best in single player for now.

Local only. Rendering only: nothing changes for other players, they don't need the mod, and it works the same whether you host or join.

Settings

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SectionSettingDefault
UpscalerUpscalerFSR1GameDefault / FSR1 / Bilinear / Point
UpscalerOverrideRenderScalefalseOff = the game's Resolution Scale
UpscalerRenderScale77%50–100%, used when the override is on. Above 95% renders at 100% (Unity rounds)
UpscalerFsrSharpness92%FSR 1 sharpening

Working with the other Gravy mods

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  • Performance: its render-scale cap and FSR option set the same URP values. This mod applies after it:

    • with Override Render Scale off, Performance's cap still sets the render scale and this mod's upscaler is used on it;
    • with the override on, this mod's render scale wins;
    • with Upscaler set to GameDefault, Performance's FSR option works as before.

    Switching an option here off hands the value back to Performance.

  • Graphics Plus: its TAA runs at the internal resolution, and FSR 1 upscales and sharpens the result.

Known limitations

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  • FSR 1 is a spatial upscaler: it sharpens the picture but can't add detail that the lower resolution didn't render.
  • Render scale and the upscaler are global in Unity: every camera renders at the same scale.
  • The user interface always renders at full resolution.
  • In VR, the mod leaves everything to the game.

Requirements

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  • SimplePlanes 2 0.7.9 (Unity 6000.3)
  • BepInEx 5 (5.4.x, x64 Mono build) installed in the game folder. On Linux/Steam Deck with Proton, add WINEDLLOVERRIDES="winhttp=n,b" %command% to the game's launch options.

The Gravy Mod Menu is recommended: most mods keep their in-game settings and status there. Without it, edit the .cfg files in BepInEx/config/.

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