[Bug 66921] New: [r300g] Heroes of Newerth: HiZ related corruption

[Bug 66921] New: [r300g] Heroes of Newerth: HiZ related corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=66921

          Priority: medium
            Bug ID: 66921
          Keywords: regression
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r300g] Heroes of Newerth: HiZ related corruption
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: pavel.ondracka@email.cz
               URL: http://www.heroesofnewerth.com/download/
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r300
           Product: Mesa

Created attachment 82440
  --> https://bugs.freedesktop.org/attachment.cgi?id=82440&action=edit
screenshot

In Heroes of Newerth, there is massive black corruption over top half of screen
anytime, when you move mouse over some game objects, like buildings. This is
HiZ related and goes away when RADEON_DEBUG=nohiz is set. 
I also found out that it goes away completely when I revert
commit 631c631cbf5b7e84e42a7cfffa1c206d63143370
Author: Marek Olšák <maraeo@gmail.com>
Date:   Fri May 13 02:26:08 2011 +0200

    r300g: allow HiZ with a 16-bit zbuffer

HoN is free to play, however I can make an apitrace if needed.

GPU:RV530 (R520 also affected)
Mesa: b616d0166158872a135153e27c391424fe655117
Kernel: 3.9.4-200.fc18.i686
libdrm: f8f1f6e37ae2c3eb4a9c045ba3294b3ccf926c07

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[Bug 66921] [r300g] Heroes of Newerth: HiZ related corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=66921

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #1 from Marek Olšák <maraeo@gmail.com> ---
Okay, I have reverted the commit.

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