[Bf-committers] OpenGL behaviour

[Alexander Ewering]

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?

| alexander ewering              instinctive mediaworks
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