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al_get_opengl_version(3)   Library Functions Manual   al_get_opengl_version(3)

NAME
       al_get_opengl_version - Allegro 5 API

SYNOPSIS
	      #include <allegro5/allegro_opengl.h>

	      uint32_t al_get_opengl_version(void)

DESCRIPTION
       Returns	the OpenGL or OpenGL ES	version	number of the client (the com-
       puter the program is running on), for the current  display.   "1.0"  is
       returned	 as 0x01000000,	"1.2.1"	is returned as 0x01020100, and "1.2.2"
       as 0x01020200, etc.

       A valid OpenGL context must exist for  this  function  to  work,	 which
       means you may not call it before	al_create_display(3).

SEE ALSO
       al_get_opengl_variant(3)

Allegro	reference manual			      al_get_opengl_version(3)

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