al_set_shader_matrix(3) al_set_shader_matrix(3)

al_set_shader_matrix - Allegro 5 API

#include <allegro5/allegro.h>
bool al_set_shader_matrix(const char *name,
   const ALLEGRO_TRANSFORM *matrix)

Sets a matrix uniform of the current 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.

5.1.0

al_use_shader(3)

Allegro reference manual