[SteamOS / Flatpak] Can't stack shader presets due to path mismatch
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- C
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Description
Description
On Steam Deck Linux, using the Flatpak build of RetroArch 1.15.1, load any shader preset and then attempt to append or prepend any other preset. The operation will fail.
Actual behavior
The log reveals the problem:
[WARN] [Shaders]: Could not read root preset: "/app/share/libretro/shaders/retroarch.slangp".
There is no retroarch.slangp present in that location. The stock presets are stored there, but retroarch.slangp is actually located at /home/deck/.var/app/org.libretro.RetroArch/config/retroarch/config/retroarch.slangp. Symlinking the latter to the former has been tested and seems to rectify the problem.
Expected behavior
RetroArch should locate the file without me having to symlink it after every update.
Steps to reproduce the bug
See above.
Version/Commit
- RetroArch: 1.15.1 (Installed from Flathub via the Steam OS Discover app)
Environment information
- OS: Steam Deck OS 3.4.8
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing shader preset append/prepend handling and how the Flatpak build resolves the root preset path. Reproduce on SteamOS with RetroArch 1.15.1, compare /app/share/libretro/shaders/retroarch.slangp with the config path under /home/deck/.var/app/org.libretro.RetroArch, and verify presets can be stacked without a symlink.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- computer-graphics, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100