[Bug 106493] "New game" in stellaris triggers Assertion `rtex->surface.u.legacy.level[level].dcc_fast_clear_size' failed.

[Bug 106493] "New game" in stellaris triggers Assertion `rtex->surface.u.legacy.level[level].dcc_fast_clear_size' failed.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106493

            Bug ID: 106493
           Summary: "New game" in stellaris triggers Assertion
                    `rtex->surface.u.legacy.level[level].dcc_fast_clear_si
                    ze' failed.
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mceier+freedesktop@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 139529
  --> https://bugs.freedesktop.org/attachment.cgi?id=139529&action=edit
Backtrace

Stellaris triggers assertion when clicking on "New game" and mesa is built in
debug mode:

stellaris:
/var/tmp/portage/media-libs/mesa-9999/work/mesa-9999/src/gallium/drivers/radeonsi/si_clear.c:256:
vi_dcc_clear_level: Assertion
`rtex->surface.u.legacy.level[level].dcc_fast_clear_size' failed.


The comment above the assertion says:

/* If this is 0, fast clear isn't possible. (can occur with MSAA) */



if it can occur with MSAA should it really be an assertion ?

I have Radeon Fury X.

Attaching backtrace.

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[Bug 106493] "New game" in stellaris triggers Assertion `rtex->surface.u.legacy.level[level].dcc_fast_clear_size' failed.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106493

Mariusz Ceier <mceier+freedesktop@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #139529|0                           |1
        is obsolete|                            |

--- Comment #1 from Mariusz Ceier <mceier+freedesktop@gmail.com> ---
Created attachment 139535
  --> https://bugs.freedesktop.org/attachment.cgi?id=139535&action=edit
Detailed backtrace

Seems like the workaround is to set "Multisample level" option to 0. Any other
value (2,4,8) triggers the assertion.

Attached more detailed backtrace.

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[Bug 106493] "New game" in stellaris triggers Assertion `rtex->surface.u.legacy.level[level].dcc_fast_clear_size' failed.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106493

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1313.

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