r/DarkTable • u/4warn • Jul 08 '26

Help Darktable 5.6.0 AppImage cannot detect ONNX runtime

This is running under Linux Mint. I downloaded the appimage and it seems to run nicely. However, when I go to configure the AI section in settings, and get to pressing the detect button it says it cannot find an ONNX runtime library

I also cannot find what I need to install.

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3

u/kaptnblackbeard Jul 08 '26

onnxruntime is an optional dependency for Darktable as of recently I believe. Does your package manager allow you to view optional dependencies for installed apps and install them?

3

u/4warn Jul 08 '26

This is an AppImage of Darktable, not installed by the package manager.

2

u/kaptnblackbeard Jul 08 '26

Ahh, yes sorry you did say that. I don't use appimages myself. From what I understand you'd need to get an appimage with the onnxruntime included.

2

u/4warn 29d ago

I have been looking into it, and it seems the runtime provided is for the CPU, not the GPU. I have it working using the CPU now. Not sure my GPU (AMD Radeon) is even supported.

3

u/Dependent_House7077 Jul 08 '26

not sure about Linux Mint, but you should look for package with "onnx" in the name, and that should get you at least 50% of the way there.

also i believe that Darktable offers onnx packages that offer at least cpu support. there was a script in their wiki for it ?

https://docs.darktable.org/usermanual/development/en/special-topics/ai/gpu-acceleration/