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Old 08-18-2008, 09:03 AM   #1
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ATI (rv350) + open-source driver + wine gaming issues

I seem to have a bit of a problem running some 3D accelerated games under wine, while using the open-source ATI Radeon driver. My graphics card is Radeon 9700, and the open-source drivers overall work much better than the proprietary fglrx.

The fglrx driver allows me (in most cases) to run games like Temple of Elemental Evil (particularily) or Morrowind normally, but I can't use it for everyday work because of it's constant issues which get fixed and then re-appear from version to version.

The problem with ATI open-source driver is that no Direct3D stuff is accelerated. For instance, the Temple of Elemental Evil runs fine with fglrx, but with open-source driver even the main menu is unplayably slow (say, 1-2 FPS at it's best).

My xorg.conf section for the open-source driver looks like this:

Section "Device"
	Identifier  "** ATI Radeon (generic)               [radeon]"
	Driver		"radeon"
	VideoRam	65536
#	Option		"RenderAccel" "on"
	Option		"AGPMode" "4"
	Option		"ColorTiling" "on"
	Option		"AccelMethod" "XAA"
	Option		"EnablePageFlip" "on"
	Option		"AGPFastWrite" "False"
	Option		"XAANoOffscreenPixmaps" "True"
	Option		"BackingStore" "True"
	Option		"DynamicClocks" "on"
glxinfo reports that direct rendering is OK, and glxgears show about 2800 FPS (with fglrx they never show over 2950 FPS, so I guess the driver should be ok, and the acceleration should work fine).

Can anyone help me get something more decent out of Wine?
Many thanks!

Last edited by Wintershade; 08-18-2008 at 11:34 AM. Reason: typos
Old 08-19-2008, 01:23 PM   #2
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i have no idea, but it's a worthwhile guess that a driver that is open source will not go near anything MS-y.
don't play games that use directx
Old 08-19-2008, 05:12 PM   #3
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In some games I saw an option to use opengl instead of directx output.

It is also worth trying "AccelMethod" "EXA" (this is the method which is better supported with the open-source driver) and removing options like "BackingStore" "DynamicClocks" "VideoRam" and in that case "XAANoOffscreenPixmaps" of course.
The defaults are usually fine. I have none of these set - just the driver and AccelMethod.

But then again - I don't have the games you have...

Look through the file /var/log/Xorg.0.log for warnings and such...
Old 08-19-2008, 07:51 PM   #4
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The driver was configured according to the /var/log/Xorg.0.log warnings and announcements.
"AccelMethod" "EXA" makes several 3D applications (such as glxgears) run faster (but the framerate with EXA was the same as with XAA and other options mentioned here), while any other app, especiall GTK/GTK2 apps become painfully slow. So, that one's a no-go.

The open-source driver is not an par with the fglrx, this is true, but I'm forced to use it because of stability issues (e.g. the fglrx driver completely freezes my system if I try to restart X, and I have to do a hard reset).


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