al_set_shader_bool(3) al_set_shader_bool(3)

al_set_shader_bool - Allegro 5 API

#include <allegro5/allegro.h>
bool al_set_shader_bool(const char *name, bool b)

Sets a boolean uniform of the target bitmap’s shader.

Returns true on success. Otherwise returns false, e.g. if the uniform by that name does not exist in the shader.

5.1.6

al_use_shader(3)

Allegro reference manual