DualSense adaptive trigger support

[ABeltramo]

This is part of a series of PRs:

Moonlight client

• Protocol extension: DualSense adaptive trigger support moonlight-common-c#102 to extend the Moonlight protocol for this new event
• DualSense adaptive trigger support #1561 requires the changes in moonlight-common-c and exposes the adaptive trigger events via SDL

Sunshine server

• DualSense adaptive trigger support games-on-whales/inputtino#26 to expose the adaptive triggers events in Linux
• feat(input/linux): DualSense adaptive trigger support LizardByte/Sunshine#3738 requires the changes in moonlight-common-c and inputtino and delivers the adaptive trigger events to Moonlight clients

20250319_175750.mp4

[moi952]

Hi, does this allow the DualSense to be detected as a DualSense for compatible games?

I think it's currently emulated as a PS4 controller, is that correct?

Is it only compatible with a Linux host? Or is it also compatible with Windows?

[ABeltramo]

@moi952 the Moonlight code in this PR would send the adaptive trigger events to the locally connected joypad across platforms; I've tested it on Linux and OSX.

Server side, only Linux has full support for a DualSense joypad currently.

[moi952]

@moi952 the Moonlight code in this PR would send the adaptive trigger events to the locally connected joypad across platforms; I've tested it on Linux and OSX.

Server side, only Linux has full support for a DualSense joypad currently.

Thanks for your answer !

1 - Windows doesn't support it because it has to be developed on Sunshine?
2 - What's changing?

Sorry, these may be stupid questions.

On Windows, directly on my PC, the DualSense works well, people would be happy if it worked.

3 - Is it compatible for games that natively use DualSense?

Thanks

[hgaiser]

I've been testing this through moonshine and it seems to be working great! With these PRs and Steam Input disabled, Horizon Forbidden West correctly sends trigger effects when firing arrows. Haven't tested any other games, but there's also very few games that use this functionality.

[ABeltramo]

I've updated moonlight-common-c to bring in the merged changes, this should be ready for review.

If you need a quick way to test this out with a DualSense joypad you can use https://github.com/games-on-whales/sdl-jstest. After building, you can just call

./sdl2-jstest --gamecontroller 0

during a streaming session and by pressing the microphone button, it'll cycle through a couple of different trigger effects.
(that is what I use on the video above 😉)

[daniele-athome]

Thanks for this! I'm going to try it soon. Does it by any chance work with Bluetooth too?

[hgaiser]

Yep it does

[daniele-athome]

I can confirm it works with Steam Input disabled, as if it's attached to the gaming host (tried Ghost of Tushima and Horizon Forbidden West).

[ABeltramo]

Nice, thanks for testing @daniele-athome!

[Itay080]

Hi, thanks for doing this!
This may be a stupid question and I'm likely missing something but it doesn't seem to be working for me.

I've built moonlight-qt from source with the build-appimage script and copied it to my Steam Deck with a DualSense connected through Bluetooth.

Sunshine on my Linux host appears to detect and emulate the controller as a Dualsense but the adaptive triggers do not work in supported games

Steam Input is disabled in both the client and the host