[Bug 110636] [radv] DOOM 2016 particle artifacting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110636

            Bug ID: 110636
           Summary: [radv] DOOM 2016 particle artifacting
           Product: Mesa
           Version: 19.0
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: lolisamurai at tfwno.gf
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 144189
  --> https://bugs.freedesktop.org/attachment.cgi?id=144189&action=edit
gif showing the artifacting

since mesa 19 (using 19.0.2 at the moment), I've been experiencing artifacting
/ incorrect rendering of particles in DOOM 2016 running on a r9 270x with the
amdgpu driver.

this happens with both vulkan and opengl renderers.

I have attached a gif that shows the artifacts. I also uploaded a renderdoc
capture to mega (it's almost 1 gig, so I felt like it would be too much to add
as a normal attachment):
https://mega.nz/#!EV53mC5Q!vAugOwDn2iKqGaQ-KYNvfXg7oDNlhB3i74DvSnwdYD4

this doesn't happen on mesa 18.3.5

the game is running through proton 3.7-8 on steam. newer proton versions don't
help

how to reproduce:

play any map that contains ambient particles, for example "kagindir sanctum" on
arcade or story mode should have them right at the start

I don't have a renderdoc of particles working as intended but i will get one
when i downgrade to mesa 18 again. you can look up videos of those maps on
youtube to see that it's definitely not supposed to look like that. it feels
like the intensity and speed of the particles is way higher than it should

my system info at the time of capture is also attached

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