Is it possible to use SSAO in Eevee without world lighting?

Question

I'd love to use SSAO in eevee to just add a little depth to my scene, but I've created a studio-esque lighting set up, and as such need to keep the world lighting dark, only lighting my scene with lights.

Is there a way to force AO in a dark scene? It seems like AO in eevee only works when the world is emitting light. Is there a workaround for this?

BuzzKirill · Answer

I faced a similar problem, ended up just plugging in the AO into the color input of Background. For your case the setup could've been a little trickier, such as using Mix/Add nodes, etc.

gandalf3 · Answer

If you only need it in the final render, you can apply it in the compositor:

Enable the Ambient Occlusion pass in Properties > Render Layers > Passes.
Use a Mix node to multiply it with the render.

Is it possible to use SSAO in Eevee without world lighting?

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