OpenGL Context in a child window

OpenGL
1

Hi,

has anybody a short example of using OpenGL with Xlib, and drawing to a child window?

When I create just one window, OpenGL works fine, but if I create this Window and within another child-window, I am not able to draw to the child window using opengl?

Any ideas?

Thanks,

Harald

2

You need to use either glXMakeCurrent or glXMakeContextCurrent to make the child window’s context current. And obviously use those functions to switch back to the main window’s context.

3

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