[Bug 46653] New: Doom3 low framerate at certain locations in game with Radeon driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46653

             Bug #: 46653
           Summary: Doom3 low framerate at certain locations in game with
                    Radeon driver
    Classification: Unclassified
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: abc.mikey at googlemail.com
         QAContact: xorg-team at lists.x.org


There are certain effects that appear at certain locations in the game doom3
that reduce framerate by about half. One is the first room in Mars City Level 2
where there are a number of terminals and red fog alcoves build into a wall
opposite the lift (see attached image). 

System:


3.8 GHz PhenomII x4 core AMD processsor
4GB DDR3 RAM
Sapphire Radeon 6950 graphics card

$yum info xorg-x11-drv-ati.x86_64 

gives:

Installed Packages
Name        : xorg-x11-drv-ati
Arch        : x86_64
Version     : 6.14.3
Release     : 3.20111125git534fb6e41.fc16
Size        : 1.2 M
Repo        : installed