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On 8/9/22 14:20, Greg Ercolano wrote:
I read that to mean he's calling Fl_Gl_Window::draw() and the
bottom of his widget's draw()
because he (probably) has FLTK widgets that are children of his
Fl_Gl_Window derived widget.
According to the docs, your draw() is supposed to do all the GL
stuff, then the last thing
you do before return()ing is to call Fl_Gl_Window::draw() so that
the child widgets can
be drawn over your opengl drawing.
Yes, that's exactly what I was trying to do. On Linux and Windows this
works, but on macOS, as Manolo said, it does not, as it does not allow
mixing OpenGL2 and OpenGL3+ calls. That sucks, as I was now relying on
that feature for my program. It is a pity as the video library I am now
using requires OpenGL4.1, while FLTK is still stuck on GL2.
Oh well... one more thing the new rewrite of my program won't support.
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