Linux-CEF : How to show Devtools ?

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mkbatista

- Overboy
- - Joined 21 Oct, 2013
  - 9 topics • 136 posts
- 1
- 8 Jan, 2025
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Hi Ashley,

I'm currently doing a lot of experiments with exports for my game and the loading of my game is stuck at 100% on a Linux-CEF export for Steam Deck.

It's probably due to an error on my end as the loading of my game is quite complex but the issue is that i have no way to debug this.

Could you tell me how I can open the Devtools from code on a Linux CEF so i can debug my game on steamdeck ?

I know showing devtools from code isn't supported by regular browsers, but i think each bundler such as NWJS/Electron/MicrosoftWV2/Linux-CEF etc... provide ways to do this

Might be great if Scirra made an addon that allow to handle this kind of operation for all Custom Scirra exporters ?

But yeah in the meantime could you please help me to do this for Linux-CEF export please?
- Ashley Construct Team Founder
- Moderator
- - Joined 21 May, 2007
  - 670 topics • 30,423 posts
- 1
- 8 Jan, 2025
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Due to architectural differences with CEF it doesn't currently support opening dev tools automatically, but you should still be able to access it via chrome://inspect. It's documented here. You can also use that to debug a different device via remote debugging, similar to how it works for Android devices.
- Overboy
- - Joined 21 Oct, 2013
  - 9 topics • 136 posts
- 1
- 8 Jan, 2025
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I see thanks, we're getting this error: Error loading ".../steamworks-x64.ext.so': libsteam_api.so: cannot open shared object file: No such file or directory"

Do you know what it could be ?
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- Ashley Construct Team Founder
- Moderator
- - Joined 21 May, 2007
  - 670 topics • 30,423 posts
- 1
- 8 Jan, 2025
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It sounds like one of the Steam library files is missing - is libsteam_api.so there? If not, that's the problem. Maybe try a fresh export and make sure all files are uploaded and fully overwrite the existing files on the device.
- Overboy
- - Joined 21 Oct, 2013
  - 9 topics • 136 posts
- 1
- 9 Jan, 2025
- Quote
I don't know what happenned but yes it was one of the problems I had, thanks!

Would it be possible to provide a reliable way to tell if the game is running on a steamdeck ? From JS if possible

Additionally, detecting Steam OS might be great too ? As it seems valve is opening the paltform to other constructors.
- Ashley Construct Team Founder
- Moderator
- - Joined 21 May, 2007
  - 670 topics • 30,423 posts
- 1
- 9 Jan, 2025
- Quote
Would it be possible to provide a reliable way to tell if the game is running on a steamdeck ?

The Steamworks plugin has an 'Is running on Steam Deck' condition. It actually also has a script interface and you can use the isRunningOnSteamDeck property from JavaScript too. However I realise that script interface is currently undocumented - I'll see if we can get that written up somewhere.

Additionally, detecting Steam OS might be great too ?

I don't think there is any way to specifically detect Steam OS - I think it looks to the app like any other Linux system, and there doesn't seem to be a Steamworks API to identify Steam OS specifically (just the Steam Deck). If you only use Linux exports for Steam OS then you can probably just use the Platform Info 'Is Linux export' condition (or equivalent JS API).