al_get_separate_bitmap_blender - Allegro 5 API

       Returns  the  current  blender being used by the target bitmap.  You can pass NULL for values you are not
       interested in.

       al_get_separate_bitmap_blender - Allegro 5 API

al_set_separate_bitmap_blender(3alleg5), al_get_bitmap_blender(3alleg5)

Allegro reference manual                                                 al_get_separate_bitmap_blender(3alleg5)

       5.2.5

              [UnstableAPI]: New API.

              #include <allegro5/allegro.h>

              void al_get_separate_bitmap_blender(int *op, int *src, int *dst, int *alpha_op, int *alpha_src, int *alpha_dst)