# Objective
Fixes https://github.com/bevyengine/bevy/issues/18366 which seems to
have a similar underlying cause than the already closed (but not fixed)
https://github.com/bevyengine/bevy/issues/16185.
## Solution
For Windows with the AMD vulkan driver, there was already a hack to
force serial command encoding, which prevented these issues. The Linux
version of the AMD vulkan driver seems to have similar issues than its
Windows counterpart, so I extended the hack to also cover AMD on Linux.
I also removed the mention of `wgpu` since it was already outdated, and
doesn't seem to be relevant to the core issue (the AMD driver being
buggy).
## Testing
- Did you test these changes? If so, how?
- I ran the `3d_scene` example, which on `main` produced the flickering
shadows on Linux with the amdvlk driver, while it no longer does with
the workaround applied.
- Are there any parts that need more testing?
- Not sure.
- How can other people (reviewers) test your changes? Is there anything
specific they need to know?
- Requires a Linux system with an AMD card and the AMDVLK driver.
- If relevant, what platforms did you test these changes on, and are
there any important ones you can't test?
- My change should only affect Linux, where I did test it.
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