> El 9 sep. 2022, a las 02:07, Manolo <manolo.gouy@gmail.com> escribió:
> 
> Gonzalo: you may try to put your GL widgets in a new Fl_Gl_Window object
> with fully transparent background color, the same size as your GL4-using
> window and positionned right above it. I didn't try that, but I see no reason
> it should not work.
> 

That seemed like a nice hack.  Unfortunately I was unable to make it work with the OpenGL3text.cxx example.  

I still get a crash in the gl2 window object when It calls Fl_Gl_Window.  And any glBegin()/End() for opengl2 lines or triangles and the like also don’t show.

Find attached the 3 tiny files I am using in case you can see something wrong.

—
Gonzalo Garramuno
ggarra13@gmail.com



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