[Mesa-dev] [Bug 110995] performance regression in Heroes of the Storm with Mesa 19.1.1 & Polaris

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110995

            Bug ID: 110995
           Summary: performance regression in Heroes of the Storm with
                    Mesa 19.1.1 & Polaris
           Product: Mesa
           Version: 19.1
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/radeon
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: tempel.julian at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

I lose at least 10 fps with 19.1.1 vs. 19.0 on RX 580.

19.1 (at least 168 fps):
https://abload.de/img/screenshot_20190625_16akrb.png

19.1.1 (not more than 158fps):
https://abload.de/img/screenshot_20190625_1kij8n.png


Performance regressions first occured in mesa-git around a week ago which is
why I switched to stable 19.0. mesa-git was even worse though with ~150fps.
Probably related to work regarding DCC?


linux 5.1
dxvk-git
both LLVM 8 & 9

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