How to connect layer_shader and bump2d

[zer0_0ne]

How to connect layer_shader and bump2d?

If I connect bump2d shader as a layer to layer_shader then I get something like this:

[peter.horvath6V6K3]

The bump2d shader returns normals instead of a color, so similar to the normal_map shader, it has to be connected to the Geometry > Normal slot of the standard_surface shader. Then you can mix the standard_surface shaders with the layer_shader.

[zer0_0ne]

If I try to mix it with mix_shader or add new standard_surface shader as a layer to layer_shader I get something like this

But original result of layer_shader looks like this

[peter.horvath6V6K3]

You can not add bump to the layer output directly, only to a standard surface shader within a layer. The equivalent of adding the bump over the layer shader output is to add the bump to all layers, so when they are mixed together the output is the full bump. Hope this makes sense.

[madsd]

Hello, arn't you looking for a pipe that looks more down the line of this?

You source the layer into the bump, not the other way around. So you can add them up, or what ever you would like.
I would use a different node than the layers node, composit for example, or some other type of blender since layers is missing blend modes and you probably want to blend a lot of bump maps if I understand you correctly.


Max UI, but you should be able to decifer how to stack them bump maps, if that is what you want.