Driver, 572.16, breaks support for AO baking in Substance Painter

Upgrading to the latest driver, 572.16, breaks support for AO baking in Substance Painter. Reverting back to 566.36 fixes the problem, and this behavior is 100% reproducible on multiple systems. This problem was reported to me by LevelCap when he was trying to bake on the 5090. However, in his case, he can’t revert drivers, so he’s stuck until this problem is addressed.

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CPU Bake


GPU Bake: 566.36

GPU Bake: 572.16

Hi @JohnLogostini, welcome to the forums and thank you for reporting this!

I opened a bug internally so that this can be addressed.

Can you maybe check if the newest hotfix driver by any chance fixes this already?

Thanks!

One more thing, which GPU did you use in your testing?

I was using a 3090 and LevelCap was using a 5090 same problem on both

Thanks!

So, I updated to 572.24 and rebooted, but the problem persists with the same outcome.

So, if you add --force-optix to your launch arguments, the baking works once again. Adobe said this looks like you guys probably broke the DXR API with the latest driver. As a test, I tried baking in Painter 2020 and got the exact same output. Just to reiterate, adding --force-optix to the launch argument in Steam does function.

Painter 2020


Painter 2024 with OptiX

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