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Image effects for post processing stack created with shader graph for Unity
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Image effects for post processing stack created with shader graph for Unity

ImageEffectGraph running on an AR Foundation app

This repo is attempt to extend ShaderGraph to create postprocessing effects compatible with the Postprocessing Stack, using the either the new Scriptable Render Pipeline (HD/Lightweight) or legacy graphics.

⚠️ This repo is extremely experimental, hacky and buggy. For now, it is everything you don't want to use in production.

(In simpler words, things are constantly getting fixes, and there are constant changes to serialization and shader generation, which might not be backward compatible with effects created with a previous version of this tool. This shall change once this repo gets to a stable state)

Getting started

To get started, create a effect graph using the context menu Assets -> Create -> Shader -> Image Effect Graph. Create a material, and assign the shader to it. Finally, add the Render With Material effect to your postprocessing volume, and assign the material to it.

Please note that there are a couple of effect examples (Invert colors, camera transitions, TV flicker, etc...) The demo scenes will cycle through them automatically to showcase the examples.

Please note that the example comes with 3 scenes, for legacy, HD pipeline, and lightweight graphics.
Make sure to select an appropriate pipeline asset when trying a scene.

Using multiple effects

Please refer to this


Camera transition effect textures

I think the original idea of the camera transition effect was from here (the shader is pretty different though, and is created with shader graph) Nonetheless, the texture files for the transitions were definitely from the package of that tutorial (Thus belongs to their creator, and are not under MIT license - but under CC 4.0 last time I checked).

TV effect

Taken straight from keijiro/ShaderGraphExamples

Overlay effect texture

Texture from keijiro/SketchyFx (OTF_Crumpled_Paper_08.jpg) by Brent Leimenstoll

Regular Hexagon Tiling effect

Translated from ShaderToy, original shader by pwd

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