OpenVR and TouchDesigner are using different GPUs

I’m trying to use the OpenVR CHOP to get the position of a single Vive tracker inside TD. Whenever I add the CHOP though, it has a warning “OpenVR and TouchDesigner are using different GPUs” and it doesn’t output my tracker’s position.

What could be causing this issue? I only have 1 GPU on my PC so not sure how they could be using different ones.

I am running SteamVR without an HMD to just use the tracker with two base stations, which does work when I use an external Python library (triad_openvr) but not TD. Not sure if this could be causing this kind of issue.

+1, I have the exact same issue, no headset.

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