The traditional way of doing an OpenGL (gCGLPFAFullScreen,
CGLSetFullScreen()) have been deprecated. At WWDC this year, in the
Snow Leopard OpenGL session, a new all-Cocoa method was shown where
you basically just resize the window containing the NSOpenGLView and
layer it above the menu bar. This new method was strongly recommended
because it plays more nicely with multiple contexts/screens/graphic
cards. The new approach doesn't seem to have made it into the 10.6 API
documentation, however, and the OpenGL fullscreen demo source is from
like 2002 (ProjectBuilder project) and uses the old technique.
I've taken the old NSOpenGLFullScreen sample code and am working on
updating it to this new technique. I've gotten full screen working
using this new Snow Leopardy approach, and it's great - nice and
simple, lots less code to implement, and it's all Cocoa.
What doesn't work 100% correctly, however, is zooming from a regular
window to a full-screen window and back again. There are two problems
with this:
1) I can't get the OpenGL view to programmatically become first
responder after full screen becomes active, though it works fine once
you click in the window
2) When I zoom back down from full screen, the close/zoom/minimize
buttons are missing from the window.
Most of the examples I've found online of "zooming" to full screen and
back involved using two different window instances. I may try that
approach if I can't get this working with a single instance.
Anyway, if you want to check out my in-progress update of the full-
screen sample code, it can be downloaded from:
http://www.innerloop.biz/code/OpenGL%20Full%20Screen.zip
If you are writing a full-screen only application, you can probably
get what you need out of that And if anyone has any insight into how I
can get the zoom working 100% correctly, I'd appreciate hearing it.
I'll post the correct version once I get it figured out.
Thanks, all.
Jeff
BTW: the texture loading from the original sample code is borked under
Snow Leopard, probably due to one of the changes made to NSImage, I'm
not too concerned about that right now, though I may look at fixing it
once I get the full-screen stuff working correctly.
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