[Bug 107912] Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to radeonsi

[Bug 107912] Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to radeonsi

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=107912

            Bug ID: 107912
           Summary: Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to
                    radeonsi
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: davyaxel0@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

PIPE_CAP_TGSI_MUL_ZERO_WINS is a cap currently supported by nv50, nvc0 and
r600, which means that TGSI_PROPERTY_MUL_ZERO_WINS is supported.

When enabled, the affected shaders have the behaviour 0*anything = 0 (including
inside a mad). It is used by gallium nine when available.

All GCN cards support special legacy instructions to handle the behaviour.

Since opengl compat used to be a thing "we will never support because lack of
time" and is now implemented, I thought maybe this MUL_ZERO_WINS may get added
to the new radeonsi TODO list.

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[Bug 107912] Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to radeonsi

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https://bugs.freedesktop.org/show_bug.cgi?id=107912

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

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

--- Comment #1 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/1328.

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