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[fltk.general] How can I disable automatic buffer swapping in subwindows?

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How can I disable automatic buffer swapping in subwindows? jgcodes2020 Jul 31, 2022  
 
I'm considering FLTK to build an emulator frontend for Mupen64Plus.

To allow the emulator to provide output, it needs a (child) window that it gains exclusive control of. This means that I need to somehow disable calling swap_buffers() after draw() in an Fl_Gl_Window, so that I can manually call swap_buffers when I desire.

However, I only want to do this for the emulator's child window. I want everything else to draw according to FLTK's event loop.

How would I accomplish this?



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