[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread Zamundaaa
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #10 from Zamundaaa  ---
yes, please do report it to Mesa. Other compositors have different renderer
architectures, use other buffer formats (10 bit per color with KWin vs 8 bit
per color with others), different effects and so on and will trigger different
driver code paths and thus different driver bugs than KWin.

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #9 from airisama...@gmail.com ---
? but I feel like it's more about the way the driver is used since gnome, sway
and cinnamon has almost no graphical glitches
so maybe reporting there is not the right move
although it kinda of gets better every new version of mesa
so, to clarify you line of thought, you just use their api's and expect it to
work?
if yes then maybe I should report it there

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread Zamundaaa
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #8 from Zamundaaa  ---
Okay. In case that doesn't exist yet, I'd still recommend you to make a bug
report about the driver issue you have problems with here:
https://gitlab.freedesktop.org/mesa/mesa/-/issues

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #7 from airisama...@gmail.com ---
anyway don't sweat about this and just make sure the
MESA_LOADER_DRIVER_OVERRIDE=llvmpipe env still works on future updates.
it's not a big deal

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #6 from airisama...@gmail.com ---
because of the graphical glitches
if I recall correctly the output says it ran out shaders or instructions.

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-19 Thread Zamundaaa
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #5 from Zamundaaa  ---
What do you mean with "sometimes you just have to switch to llvmpipe"?

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-18 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #4 from airisama...@gmail.com ---
yeah but on 3rd gen intel gpu sometimes you just have to switch to llvmpipe
not having a clear way to do so like on cinammon is a pain.

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-18 Thread Zamundaaa
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #3 from Zamundaaa  ---
What do you mean, "llvmpipe trick"? If hardware acceleration isn't available on
the kms node, Mesa automatically uses llvmpipe?

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-18 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=481489

--- Comment #2 from airisama...@gmail.com ---
then how are you supposed to deal with things like sway refusing to run because
llvmpipe is not a file
there is pixman renderer but are we not going to make a universal way for
software rendering?
I am 4 year linux user but I just found that llvmpipe trick a few months ago
and it wasn't on arch wiki or anything like that
I dont't really remember but maybe stack overflow or reddit.

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[kwin] [Bug 481489] kms_swrast DRI not working on i915

2024-02-18 Thread Zamundaaa
https://bugs.kde.org/show_bug.cgi?id=481489

Zamundaaa  changed:

   What|Removed |Added

 CC||xaver.h...@gmail.com
 Status|REPORTED|RESOLVED
 Resolution|--- |NOT A BUG

--- Comment #1 from Zamundaaa  ---
That sounds like KWin is working fine, but plasmashell doesn't start. Which is
the same situation as you have on Gnome, and also expected, since kms_swrast
tries to allocate dumb buffers for rendering, which only KWin has permissions
to do.

Because of that there is no point in running the session with kms_swrast. It's
simply not suitable for that purpose.

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