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Any news on Material Functions?

A friend just asked me about this because he really wants to do it with Unity (as he's done with Unreal). I've told him to give Shader Functions a try until then.

Forcing Forward is something we want to avoid.

I found an answer and managed to get it working by having a custom Deferred Shader:
https://www.gamasutra.com/blogs/DavidLeon/20170519/298374/NextGen_Cel_Shading_in_Unity_56.php
Article says Unity 5.6 but this is in Unity 2017.1.0

AO works fine now ...

However, AO and DoF should work as expected. From the screenshot it seems that the shader is not writing to depth, or perhaps depth+normal.

Would it be possible to test a sample on our side?

That's the thing though, your own included toon shader example is behaving in the same "wrong" manner ...

Is there a way to have toon shading with deferred lightning?

Me and my team have worked on a nice toon shader but noticed in debugging post-processing effects that it has buggy behaviors in deferred lighting mode. You can see anything with the toon shader disappears when viewing normals (in the ...

Yes, I was thinking of SFs as a way to make something resusable.

As for my other question, ASE has this node: http://wiki.amplify.pt/index.php?title=Unity_Products:Amplify_Shader_Editor/Vertex_Bitangent

I wanted to know if it works like the binormal described in the Unity documentation (since the ...

There's no specific node for that purpose but you can get that value by using the dot product of the lighting direction and view vector.
Yes, I believe I had to set the view vector to tangent to get it to work. I imagine it doesn't see much use which is why there's no node.

I don't know if I ...

I know that in Unity there's a way to get the half-vector but didn't find a node for it in ASE. I come from Shader Forge and was doing a test and that one has a node for it. So any help to get a half vector would be appreciated.
The half-vector (halfway between lighting direction and view vector ...