https://bugs.kde.org/show_bug.cgi?id=371480
Bug ID: 371480
Summary: SDL2 Apps causing desktop effects to disappear,
task-manager function weirdly, all desktop widgets to
disappear and sometimes kwin to crash
Product: kwin
Version: 5.7.5
Platform: unspecified
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: marty188...@gmail.com
While I'm working on my Ray Tracer I found that causes the entire desktop to
lose all the effects, task-manager function weirdly (missing some opened
window), all desktop widgets to disappear and sometimes kwin to crash.
Everything will comeback to normal after closing the SDL2 window.
After more testing, I found that its SDL2 causing it. Even running simple SDL2
tutorial codes will resulting in the situation described above.
Note that I seems to only happen with SDL2. Creating and running SDL1 windows
does not cause the problem.
My ray tracer: https://bitbucket.org/Seanstone5923/simpleray
SDL2 tutorial code that I found that can reproduce the issue:
http://lazyfoo.net/tutorials/SDL/02_getting_an_image_on_the_screen/index.php
Reproducible: Always
Steps to Reproduce:
1. Compile and run any SDL2 program (LazyFoo's tutoral or my Ray Tracer will do
the job)
2. Weird things described above starts to happen
Actual Results:
Weird things described above starts to happen
Expected Results:
Work properly.
- Happens on both Intel and Nvidia GPU(proprietary driver, not tested on
Mesa), not tested on AMD GPUs.
- No matter what composting back-end I'm using. It will happen.
- Tested with SDL 2.0.4
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