DOKK / manpages / debian 10 / allegro5-doc / al_get_opengl_variant.3alleg5.en
al_get_opengl_variant(3alleg5) al_get_opengl_variant(3alleg5)

al_get_opengl_variant - Allegro 5 API

#include <allegro5/allegro_opengl.h>
int al_get_opengl_variant(void)
    

Returns the variant or type of OpenGL used on the running platform. This function can be called before creating a display or setting properties for new displays. Possible values are:

Regular OpenGL as seen on desktop/laptop computers.
Trimmed down version of OpenGL used on many small consumer electronic devices such as handheld (and sometimes full size) consoles.

al_get_opengl_version(3alleg5)

Allegro reference manual