Confirmed.

Distro: Linux Mint 19 Tara
Processor: AMD Ryzen 7 1700
GPU: GTX 1070, Nvidia proprietary driver 396.54
RAM: 32GB
Kernel (custom) - 4.17.14 (optimized for Ryzen)
Resolution: 1920x1080
Proton 3.7-3

Confirmed, works good.

Distribution: openSUSE Tumbleweed
Linux: 4.18.5
GPU: AMD Radeon R9 280
GPU driver: amdgpu 18.0.1 / Mesa 18.1.6 / LLVM 6.0.1
GPU memory: 3072MB
CPU: AMD FX 6300
RAM: 16GB
Resolution: 1920x1080
Proton: 3.7-5

Full specs: https://gist.github.com/buschmann23/f0040553d4bc4bdeb567778bd52f7946

Whitelist Request

• Name of the game to be whitelisted: SpellForce: Platinum Edition
• Steam AppID of the game: 39540

System Information

• GPU: GTX 1060
• Driver/LLVM version: nvidia 396.54
• Kernel version: 4.18
• Link to full system information report as Gist
• Proton version: 3.7-5 Beta

I confirm:

• [x] that pressing the Play button in the Steam client is sufficient.
• [ ] that runtime config options are necessary to run the game.
• [x] that no workarounds other than the mentioned ones are necessary.

Issues

• [x] I haven't experienced any issues.
• [x] There are no issues left open for this game.
• [x] Although I consider the gaming experience equal to Windows there are
  remaining issues: on highest video settings in 4k fps is not stable, can drop from 90 to 20, especially when switching to 3rd person view.

My mouse pointer is blinking... Am I the only one?

just checked with current proton beta and nvidia 410.66, does not happen to me. even tried vsync on/off and "avoid input lag" on/off - no issues. anything with "error" in your proton log?

Nvidia 410.66 too, I'm on Arch.

The only error I have in the log is this one:

ERROR: ld.so: object '/home/neros/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.

Hello @kisak-valve, yes this is how I've got the log. Every ERROR are the same with LD_PRELOAD, nothing more...

My issue is fixed, I don't have an issue with my cursor anymore =)

It doesn't work anymore with Proton 5.0 (black screen then it crashes). Have to be launch with Proton 4.11. Tested with DXVK and WINED3D and in windowed mode.

Log:
steam-39540.tar.gz
(compressed because it's a 90 Mo file)

My config:
info.txt

It's a bug in the game. When your system reports too many resolutions (multiplied by supported d3d9 formats) the games does something weird and corrupts the stack. DXVK reports more supported formats than wined3d so it's much easier to hit this bug.

Wine 5.0 had suffered from another regression that was fixed in 5.14 with the patch introducing XRandR 1.4 support. It's cherry-picked to Proton 5.13 so if you force wined3d the game should work assuming the monitor is not 8k with too-many-supported-resolutions.

Adding the following key to the registry in the game's prefix with Proton 5.13 should make it work for both wined3d and DXVK no matter what monitor you have connected.

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Wine\AppDefaults\SpellForce.exe\X11 Driver]
"LimitNumberOfResolutions"="16"

Yes! It works! 🥳

So, DXVK can't do something about that?

I have few other games in my list that might have the same issue....

I don't think DXVK can help much with games having bugs. They honestly list the supported formats and resolutions they get from EnumDisplaySettings*().

DXVK would need to start limiting number of exposed formats / resolutions for certain games in config.cpp like they do with other kinds of workarounds - there are no knobs for that yet and we already do cap resolution list in proton https://github.com/ValveSoftware/wine/commit/ac123a40c68f5cfa50dc40ed99015f27b0b88e09 which works for both DXVK and wined3d.

Entry for SpellForce will likely make it in the next dash release of Proton 5.13.

Any reason you would like to have it in DXVK instead?

Any reason you would like to have it in DXVK instead?

I have no idea what is the best choice 🤷 @Joshua-Ashton should know better than me.

Good news, the above issue was fixed in DXVK 1.10.2:
https://github.com/doitsujin/dxvk/issues/2710

Performance really seems to be a serious issue with this game. I'm playing on a 6950XT and a 5800X3D and get everything from 144 FPS to 10 FPS (in battles, but also when just moving the camera).
Different Proton versions and launch arguments make little to no difference.
Lower resolutions and graphics settings make very little difference.

Does anyone know what even causes this? Is this something that could be improved with reasonable effort? Is there anything I can contribute with no knowledge of low level programming that could help?

With latest Proton 8.0-4 and Fedora 39/Wayland + Radeon RX 6600XT game doesn't even run. Just small black screen in the corner and nothing more.

Issue resurfaced using Wayland, black box opens then closes as described before using proton experimental, 9.0-4, 8.0-5, ge-proton9-21. Does work on proton 7.0-6 Wayland but with heavy lag and low performance and works on X11 on any previously mentioned proton versions without issues (low performance on 7.0-6). Also tested on 2 other systems with AMD and Nvidia cards all running Arch Linux with same results.

The game launches with Gamescope under Wayland and GEProton9-22 and Proton 9.0 / Experimental.

Also had to enable force-grab-cursor to get the cursor to not snap miles away when trying to scroll the screen holding right mouse.

Game works smoothly otherwise

SpellForce not launching on Wayland is now fixed with latest Proton Hotfix and GE-Proton9-27 Release.