[ bzflag-Bugs-851865 ] Brightness problems on Radeon M9 with ATI's fglrx drivers

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Bugs item #851865, was opened at 2003-11-30 19:35
Message generated for change (Comment added) made by jeffm2501
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Category: None
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Private: No
Submitted By: Anders Kaseorg (anders1)
Assigned to: Nobody/Anonymous (nobody)
Summary: Brightness problems on Radeon M9 with ATI's fglrx drivers

Initial Comment:
I have a laptop running Fedora Core 1 Linux, with ATI's
fglrx drivers (3.2.8) for my Radeon M9, and BZFlag
1.9.9.20031118. The default brightness setting was way
too low, so I went into options and turned it up. This
worked. (BTW -- perhaps it should default to gamma 2.2
for standard PC monitors?)

After exiting bzflag, though, the brightness was not
reset and the display was too bright. I had to fix this
with fglrx_xgamma -gamma 1.0; (unfortunately, regular
xgamma doesn't work with these drivers...).

I started bzflag again, and the brightness was back to
the default low setting, although the slider in options
was where I had left it. Moving it left once and right
once restored my higher setting. Of course, exiting
again had the same problem as before.

I'm currently working around this with a shell script
wrapper that calls fglrx_xgamma -gamma 2.2; bzflag $*;
fglrx_xgamma -1.0. This may be a problem with ATI's
drivers and not bzflag, but I think someone here will
be able to tell for sure.

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>Comment By: Jeff Myers (jeffm2501)
Date: 2007-08-30 14:32

Message:
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Originator: NO

technically a driver problem

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Comment By: Kent Johnson (bzflagwiz)
Date: 2004-01-12 12:30

Message:
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user_id=617680

I have almost this exact same problem on WinXP SP1a with 
Radeon All-In-Wonder 7500 running latest Catalyst 3.10 
drivers.

Every time I start BZFlag I have to move the brightness 
slider either left or right and then back again to make the 
brightness correct.

The only difference is that upon exiting BZFlag my system 
brightness is returned to normal without any intervention.

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