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Tasklist

FS#73079 - [mesa] Consider dropping the SWR driver

Attached to Project: Arch Linux
Opened by Emil (xexaxo) - Saturday, 18 December 2021, 15:22 GMT
Last edited by Laurent Carlier (lordheavy) - Friday, 31 December 2021, 09:56 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Laurent Carlier (lordheavy)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

The driver has been practically unmaintained for nearly one year. 6 months ago the SWR developers proposed removing the driver [1] and the code was merged 1 week ago.

Considering lib32-mesa does not build the driver, we can also drop from the mesa package.

Note: the swr-llvm13-patch*.patch files are no longer applicable - both here (mesa) and in lib32-mesa.


Additional info:
* package version(s)
mesa 21.3.1-1 and lib32-mesa 21.3.1-1

* link to upstream bug report, if any
[1] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11264

This task depends upon

Closed by  Laurent Carlier (lordheavy)
Friday, 31 December 2021, 09:56 GMT
Reason for closing:  Fixed
Additional comments about closing:  mesa-2.3.3-2
Comment by Laurent Carlier (lordheavy) - Monday, 20 December 2021, 19:51 GMT
Maybe postpone this to release 22.x ?
Comment by Emil (xexaxo) - Thursday, 23 December 2021, 21:12 GMT
There is more to the driver than being unmaintained (and thus removed):
- building swr alone takes as much CPU time as all the other gallium drivers combined
- driver is untested by the upstream CI
- softpipe/llvmpipe provide better speed and features (for desktop use)

Basically there's little reason in wasting CPU/people cycles considering the lack of interest and lack of testing IMHO.
At the end of the day, it's not my call.

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