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= Replace SDL 2 with sdl2-compat using SDL 3 = | = Replace SDL 2 with sdl2-compat using SDL 3 = | ||
== Summary == | == Summary == | ||
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== Current status == | == Current status == | ||
[[Category: | [[Category:ChangeAcceptedF42]] | ||
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* [https://discussion.fedoraproject.org/t/f42-change-proposal-replace-sdl-2-with-sdl2-compat-using-sdl-3-self-contained/138987 Discussion thread] | * [https://discussion.fedoraproject.org/t/f42-change-proposal-replace-sdl-2-with-sdl2-compat-using-sdl-3-self-contained/138987 Discussion thread] | ||
* FESCo issue: [https://pagure.io/fesco/issue/3301 #3301] | * FESCo issue: [https://pagure.io/fesco/issue/3301 #3301] | ||
* Tracker bug: | * Tracker bug: [https://bugzilla.redhat.com/show_bug.cgi?id=2335933 #2335933] | ||
* Release notes tracker: <will be assigned by the Wrangler> | * Release notes tracker: <will be assigned by the Wrangler> | ||
Latest revision as of 18:58, 6 January 2025
Replace SDL 2 with sdl2-compat using SDL 3
Summary
This Change proposes to replace SDL 2 with sdl2-compat, which uses SDL 3.
Owner
- Name: Neal Gompa
- Email: ngompa13@gmail.com
Current status
- Targeted release: Fedora Linux 42
- Last updated: 2025-01-06
- Announced
- Discussion thread
- FESCo issue: #3301
- Tracker bug: #2335933
- Release notes tracker: <will be assigned by the Wrangler>
Detailed Description
SDL 2 feature development ended some time ago with efforts being focused on SDL 3. However, many older games still use SDL 2 and cannot change to SDL 3. In order to continue to support SDL 2 games in the modern world, let's replace SDL 2 with sdl2-compat, which uses SDL 3. This also has the effect of moving SDL 1.2 games to SDL3 through sdl12-compat running on sdl2-compat.
Feedback
Benefit to Fedora
Switching SDL 2 powered games to use sdl2-compat ensures that SDL-based applications continue to use the actively developed codebase. This also has the effect of SDL 1.2 powered games that use sdl12-compat to run on SDL3 as well through the fully supported path of sdl12-compat running on sdl2-compat running on SDL3.
Scope
- Proposal owners:
- Package libsdl2-compat (native: RH#2316576, mingw: RH#2330101)
- Retire
SDL2
- Other developers:
- Release engineering: #12485
- Policies and guidelines: N/A (not needed for this Change)
- Trademark approval: N/A (not needed for this Change)
- Alignment with the Fedora Strategy: N/A (not needed for this Change)
Upgrade/compatibility impact
The SDL2 package would be transparently upgraded to libsdl2-compat package and games using it should just transparently start using SDL 3.0.
How To Test
The testing steps are simple:
0. Enable the SDL2onSDL3 COPR: dnf copr enable ngompa/SDL2onSDL3
1. Swap SDL2 for sdl2-compat: dnf swap SDL2 sdl2-compat
2. Run something that uses SDL 2 like 
supertuxkart
3. Run something that uses SDL 1.2 like
Issues should be reported upstream for the fastest response: https://github.com/libsdl-org/sdl2-compat/issues
User Experience
There shouldn't be a noticeable user impact, other than possibly a smoother experience because applications are using SDL 3.0.
Dependencies
Contingency Plan
- Contingency mechanism: Revert back to shipping SDL2 / mingw-SDL2 packages
- Contingency deadline: Final Freeze
- Blocks release? N/A (not a System Wide Change)
Documentation
N/A (not a System Wide Change)
Release Notes
Applications that use SDL 2 will now transparently use SDL 3 through the sdl2-compat package. This makes it so applications that historically used SDL 2 now use SDL 3.