- result<int> api_request_surface(char const *appid, char const *drawing_name);
- char const *api_request_surface(char const *appid, char const *drawing_name, char const *ivi_id);
- void api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply);
- void api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply);
- void api_enddraw(char const *appid, char const *drawing_name);
+ result<int> api_request_surface(char const *appid, char const *role);
+ char const *api_request_surface(char const *appid, char const *role, char const *ivi_id);
+ void api_activate_surface(char const *appid, char const *role, char const *drawing_area, const reply_func &reply);
+ void api_deactivate_surface(char const *appid, char const *role, const reply_func &reply);
+ void api_enddraw(char const *appid, char const *role);