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Re: CGL + single graphics contexts across dual screen


On Apr 29, 2005, at 2:21 PM, Robert Osfield wrote:
--the path of least resistance would be a window
spanning the two screens (or maybe two windows, one spanning each
screen). You can make the windows borderless and hide the system GUI,
so it will still be immersive. Using CGL for this work is sort of
swimming against the current, though, since Apple explicitly designed
agl and NSOpenGLView for windowed OpenGL display, and they take care of
a lot of the hassles for you automatically. 

I don't need a border window right now, but if CGL ain't up to the
task then I will have to dump it and go for agl.  However, I'd rather
not learn a new API just because I haven't been able to track down a
simple setting in CGL.

I do the above 'border-less window' suggestion right now mainly because grabbing a fullscreen display will lock focus on that context and you can't get back to another window. Fullscreen on OSX now seems somewhat geared towards a single display game format and every other use has suffered since 10.3.

don't think AGL really offers anything beyond CGL does it? It was my understanding that AGL calls map to CGL equivalents.

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References: 
 >CGL + single graphics contexts across dual screen (From: Robert Osfield <email@hidden>)
 >Re: CGL + single graphics contexts across dual screen (From: John Stiles <email@hidden>)
 >Re: CGL + single graphics contexts across dual screen (From: Robert Osfield <email@hidden>)
 >Re: CGL + single graphics contexts across dual screen (From: John Stiles <email@hidden>)
 >Re: CGL + single graphics contexts across dual screen (From: Robert Osfield <email@hidden>)



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