set_add_blender - Enables an additive blender mode. Allegro game programming library.

       Enables an additive blender mode for combining translucent or lit truecolor pixels.

       set_add_blender - Enables an additive blender mode. Allegro game programming library.

set_trans_blender(3alleg4), drawing_mode(3alleg4)

Allegro                                           version 4.4.3                         set_add_blender(3alleg4)

#include<allegro.h>voidset_add_blender(intr,intg,intb,inta);