al_set_shader_float_vector - Man Page

#include <allegro5/allegro.h>

bool al_set_shader_float_vector(const char *name,
   int num_components, const float *f, int num_elems)

Same as al_set_shader_int_vector(3) except all values are float instead of int.

5.1.0

al_set_shader_int_vector(3), al_use_shader(3)

al_set_shader_int_vector(3), al_use_shader(3).