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Unknown
Since this is a DirectX 8 game, it will use WineD3D instead of DXVK. In my testing, this causes the game to have an increase in CPU usage by a significant amount. This behaviour is also noticed in the older titles running through vanilla Wine. The solution, if your system supports Vulkan, is to:
- Install a d3d8 wrapper like d3d8to9 to the game's folder.
- Run
protontricks 1420810 winecfg, go to the Libraries tab, and create a new native override for d3d8.
Now the game should run with DXVK instead.
Running with thcrap
In order to play the game with thcrap, while keeping Steam integration, use this wrapper: https://github.com/tactikauan/thcrap-steam-proton-wrapper
Custom wrapper script
Directx 8
As all of the first-generation Windows Touhou games, this one uses the Directx 8 API, which is known to cause issues in recent versions of Windows, most notably, an awful input lag.
With Proton, however, I had none of the common issues related to that API. The game ran fine out-of-the-box, and input lag was nonexistent.
Because DXVK only supports DirectX from version 9 onwards, the game will run by default with WineD3D.
Running with thcrap
Thcrap only works with the version 1.50a of the game, which needs to be enabled in the "Betas" menu inside the game properties.
In order to play the game with thcrap, while keeping Steam integration, use this wrapper: https://github.com/tactikauan/thcrap-steam-proton-wrapper
Working as expected.
Plays perfectly without any tinkering.
Works perfectly well, with great input responsiveness. Sound effects are muffled with Proton and vanilla Wine
I used Lutris's Wine to fix the muffled sound effects (bad resampling) and to play with thcrap english patch
