Simple material shader with added debanding noise for use with GLES2 renderer that does not support full-screen debanding

Last update: Dec 22, 2022

Comments: 1

Debanding material shader

Simple material shader with added noise to fix ugly banding effects. To be used with GLES2 renderer that does not support full-screen debanding. Made for Godot 3.2.x.

Usage

Copy the debandingmaterial.shader -file to your project, create a new ShaderMaterial and load the file into it.

This is basically a SpatialMaterial converted to ShaderMaterial with some unnecessary features removed and debanding added. You can also copy-paste the debanding part fairly easily to your existing shader.

License

MIT license.

This shader was initially made for use in Polychoron game project.

Owner

Mikko Rytkönen

https://github.com/fractilegames/godot-gles2-debanding-material

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Comments

Clarify that the debanding won't have an effect when using GLES3

I believe this line disables the debanding part when using GLES3: https://github.com/fractilegames/godot-gles2-debanding-material/blob/main/debandingmaterial.shader#L27

This should be either documented in the README, or always enabled. You may need debanding when using GLES3 when HDR is disabled in the project settings (to improve performance), or when using GLES3 on mobile to workaround the built-in debanding shader not working.

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