al_get_shader_platform - Allegro 5 API

       Returns the platform the shader was created with (either ALLEGRO_SHADER_HLSL or ALLEGRO_SHADER_GLSL).

       al_get_shader_platform - Allegro 5 API

al_create_shader(3alleg5)

Allegro reference manual                                                         al_get_shader_platform(3alleg5)

       5.1.6

              #include <allegro5/allegro.h>

              ALLEGRO_SHADER_PLATFORM al_get_shader_platform(ALLEGRO_SHADER *shader)