Re: [GtkGLExt] [Gtk-osx-users] OS X Quartz developers Call to Arms

[Jacob Juul Kolding <jacob juvul com>]

On Nov 23, 2009, at 5:35 PM, Shawn Bakhtiar wrote:

Cool... did not even know there was a list for gtkglext. 

I actually have some need of this. Just don't have time to work it,  not sure if I have the know how either.. I am swamped with other work.

I myself do not have a good grasp of the Next Step Windowing system, but it looks like the implementation uses the NSView (check in gdkglwindow-quartz.h) instead of the NSOpenGLView, which means (given the dates on the patch) that some of this needs to be changed before it will work.

I bet you if you just change these lines to use the new NSOpenGLView it may indeed work

gdk/quartz/gdkglcontext-quartz.c:294: NSView *quartzView; gdk/quartz/gdkglcontext-quartz.c:325: name: NSViewFrameDidChangeNotification gdk/quartz/gdkglwindow-quartz.c:127: NSView *quartzView; gdk/quartz/gdkglwindow-quartz.c:184: NSView *view = GDK_GL_WINDOW_IMPL_QUARTZ (draw)->quartzView; gdk/quartz/gdkglwindow-quartz.h:23: NSView *quartzView;

I've tried changing to NSOpenGLView, but it doesn't seem to have any effect.

My app behaves the same way after re-linking and

grep'ing the lib still shows only NSView and NSOpenGLContext. (this is after a completely clean patch/build/install)

Maybe it has something to do with gtkglext compiling against SDK 10.5?

Regards

Jacob Kolding

dacobi juvul com

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---

From: jacob juvul com
Date: Sun, 22 Nov 2009 11:49:44 +0100
To: braden endoframe com
CC: gtk-devel-list gnome org; gtkglext-list gnome org; gtk-osx-users lists sourceforge net
Subject: Re: [Gtk-osx-users] [GtkGLExt] OS X Quartz developers Call to Arms

On Nov 21, 2009, at 6:30 AM, Braden McDaniel wrote:

On Sat, 2009-11-21 at 02:33 +0100, Jack Skellington wrote: 

Hi all!

I'm currently working on porting a commercial Gtk+ OpenGL App to Snow

Leopard using the actively developed and maintained Gtk+ OS X Quartz

backend. My last problem now is that GtkGlExt only works with X11. I'm

not familiar with the Low Level OS X API's, so I'd properly wouldn't

be able to write the backend myself but I think it would be awesome if

someone here could help with the native OS X backend, getting closer

to a fully supported native Gtk+ :)

This patch is probably a good starting point:

       https://sourceforge.net/tracker/?func=detail&aid=2750584&group_id=54333&atid=473436

I'll try to get back to reviewing this soon; though it might have to
wait until I get my KVM back from RMA.

Do let me know how it goes for you.

I managed to apply the patch and compile both GtkGLExt and my app, but when I start my app

the main windows is complete empty of any gtk widgets (white background everywhere), the only thing thats visible is the borders I draw in the opengl area, but

when I move the mouse up the the invisible file menu I'm able to open other (non opengl) windows which works as expected??

Regards

Jacob Kolding

dacobi juvul com

-- 
Braden McDaniel <braden endoframe com>

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