Provided by: allegro5-doc_5.2.9.1+dfsg-1.1build4_all 
NAME
al_get_current_shader - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h>
ALLEGRO_SHADER *al_get_current_shader()
DESCRIPTION
Return the shader of the target bitmap, or NULL if one isn’t being used.
SINCE
5.2.9
SEE ALSO
al_use_shader(3alleg5)