[Bf-committers] OpenGL behaviour

[Ton Roosendaal]

Hi,

Its in the blender.org linux faq for at least 2 years;
http://www.blender.org/cms/Linux.301.0.html

Not that people read it... :/

-Ton-

On 3 Apr, 2006, at 13:16, Mats Holmberg wrote:

> Alexander Ewering wrote:
>
>>
>> On Mon, 3 Apr 2006, Mats Holmberg wrote:
>>
>>> I've had slight graphic trouble with blender, until today I finally  
>>> realized how to fix it.
>>>
>>> I've used only nvidia cards (on multiple computers), and always had  
>>> the same troubles. Running blender in fullscreen mode, as prefered,  
>>> was screwing up my display a bit. Blender itself has been running  
>>> fine, but it's been really irritating when buttons dissappear,  
>>> screen goes blank and/or things start blinking. When running with  
>>> the -w flag everything was just fine.
>>>
>>> Today I accidentaly stumbled upon a program called nvidia-settings  
>>> (found it in ubuntu repositories) and just had to try all the  
>>> switches there to see if it had any effect. And to my surprise,  
>>> turning off 'allow flipping' in 'OpenGL settings' made blender run  
>>> perfectly also in fullscreen mode. So, is this something that can be  
>>> called a bug? And if so, is it nvidia or blender related?
>>
>>
>> That's a very old and known thing... and nvidia-settings is - to my
>> knowledge - even included with the NVidia driver :)
>>
>> There's also a corresponding XF86Config option, called Option  
>> "NoFlip",
>> which indeed has to be turned "On" for Blender to run smoothly.
>>
>> It isn't in any FAQ?
>
>
> Not that I know of. Maybe the problem is where to actually find the  
> FAQ it would be mentioned in, as googling will reveal an overwhelming  
> amount of graphics hardware problems related to blender. I now found  
> an old post from 2004 by yourself, regarding the issue. But I needed  
> to know the problem before I could be specific enough for google, so  
> it was help too late.
>
> On ubuntu you install nvidia-settings separately. But the solution  
> reached even me now, so I'm satisfied with that =)
>
> Thanks,
> Mats
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------------------------------------------------------------------------ 
--
Ton Roosendaal  Blender Foundation ton at blender.org  
http://www.blender.org