Trivial simple OpenGl working example

[Dennis]

On Thursday, 8 July 2021 at 13:51:51 UTC, Виталий Фадеев wrote:
> I searching trivial simple D/OpenGL working in 2021 year 
> example.

https://github.com/dkorpel/glfw-d/tree/master/examples/triangle-gl

Uses bindbc-opengl + glfw-d (my package), example uses OpenGL 
3.3. Should works on Windows and Linux out of the box, if not, 
please open an issue.