Sorry my bad English. I work 3d shape with opengl on raspberry pi3(debian) for a while. I want to run my code don't use on desktop(or window). I searched but puzzled my mind. In a nutshell I want to run my code as well as in image below.
When I searched this topic, I have seen about EGL library but I don't know if I can use this.
If you used OpenMAX library before you know openmax doesn't use window. All image or video can run on console mode. You don't need any dosktop. I wonder this Is there a way I can use Opengl in this way ?(Can Opengl run like OpenMAX library or not) If there is any way How should I build my code ? I want render my image without desktop. I want use console mode.
Thanks your time. Best Regards.
The most straightforward solution would be to just create a fullscreen window, that has no border and no decorations (titlebar, buttons, etc.). If you want actual graphic output, there's nothing wrong with using X11. Despite some hearsay thrown around on the Internet the Xorg X11 servers are actually pretty lightweight.
If you really want to go without X11, then you should look at things like the kmscube demo https://cgit.freedesktop.org/mesa/kmscube/tree/ which does OpenGL directly to the display, without a graphics server or windowing system in between.
If you want it to be a little more abstracted, then have a look at how Wayland compositors talk to the display. The developers of the Sway Wayland compositor developed a nice abstraction library for this: https://github.com/swaywm/wlroots