Shaders

FO supports shaders through Iris. You can find shaders from Modrinth or shaders from CurseForge.

To install an Iris shader:

  1. Download any shader. You should get a zip file

  2. In Minecraft's main menu, click on Options...

  3. Click on Video Settings...

  4. Click on Shader Packs...

  5. Drag the zip file you downloaded in step 1 to the screen you opened in step 4

  6. Select the shader

  7. Make sure Shaders is enabled

  8. If you want to configure the shader, use the Shader Pack Settings... button

  9. Click on Apply

If you run into any issues, please report them on the Iris issue tracker.

Internal Shaders

To get OptiFine's internal shaders, you can use:

Fabulous Shaders

Fabulous shaders are vanilla shaders which work by enabling Fabulous! graphics in video settings.

Examples of Fabulous Shaders include:

Core Shaders

Core shaders are used by resource packs to adjust the HUD and add special effects to some blocks. Not all core shaders are compatible with FO.

Examples from Vanilla Tweaks include:

The ones which do not work may be replicated by adding a mod.

For developers: You may make your resource pack work with the Sodium manifest or with the Sodium Shader Support mod.

Canvas Shaders

Canvas shaders are a kind of shader optimized for powerful computers, to be used with the Canvas Renderer mod.

Examples include:

Canvas shaders are not supported by FO, but you can replace some mods to support them:

  1. Disable the following mods:

    • Sodium

    • Sodium Extra

    • Reese's Sodium Settings

    • Iris

  2. Enable it from Options...Video Settings...CanvasPipeline OptionsPipelines

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