- Global AGL_ALLEGRO_FORMAT  
- This define is ignored. 
- Global AGL_FONT_LINES  
- Non-textured fonts will be dropped from AllegroGL. 
- Global AGL_FONT_POLYGONS  
- Non-textured fonts will be dropped from AllegroGL. 
- Global AGL_FONT_STYLE_ANTI_ALIASED  
- Non-textured fonts will be dropped from AllegroGL.  
- Global AGL_FONT_STYLE_BLACK  
- Non-textured fonts will be dropped from AllegroGL.  
- Global AGL_FONT_STYLE_BOLD  
- Non-textured fonts will be dropped from AllegroGL  
- Global AGL_FONT_STYLE_ITALIC  
- Non-textured fonts will be dropped from AllegroGL.  
- Global AGL_FONT_STYLE_STRIKEOUT  
- Non-textured fonts will be dropped from AllegroGL.  
- Global AGL_FONT_STYLE_UNDERLINE  
- Non-textured fonts will be dropped from AllegroGL.  
- Global AGL_FONT_TYPE_OUTLINE  
- Non-textured fonts will be dropped from AllegroGL. 
- Global allegro_gl_check_texture  (BITMAP *bmp)
- Global allegro_gl_convert_allegro_font  (FONT *f, int type, float scale)
- Global allegro_gl_flip_texture  (int enable)
- Global allegro_gl_get_texture_format  (BITMAP *bmp)
- Global allegro_gl_load_system_font  (char *name, int style, int w, int h)
- Global allegro_gl_load_system_font_ex  (char *name, int type, int style, int w, int h, float depth, int start, int end)
- Global allegro_gl_make_masked_texture  (BITMAP *bmp)
- Global allegro_gl_make_texture  (BITMAP *bmp)
- Global allegro_gl_set_font_generation_mode  (int mode)
- Global allegro_gl_set_texture_format  (GLint format)
- Global allegro_gl_use_alpha_channel  (int enable)
- Global allegro_gl_use_mipmapping  (int enable)