I'm sure this is something many of us have found themselves wanting at one point or another, so I thought: let's think about this together. I'm talking about being able to use the clone-brush on all of your different textures at once, so normal, spec, diffuse... This is something I've been thinking about for a long time…
Depending on what you want to do... One version of this I do in Photoshop when putting my AO bakes in the diffuse and spec mask. I take all my layers for AO, cavity and anything else I want in both the diffuse and spec, and turn them into a smart layer. double click on the smart layer, it opens up another file and you can…