pub unsafe extern "C" fn ui_button_behavior_depth(
window_relative_pos: Vec3,
size: Vec2,
id: IdHashT,
button_depth: f32,
button_activation_depth: f32,
out_finger_offset: *mut f32,
out_button_state: *mut BtnState,
out_focus_state: *mut BtnState,
out_opt_hand: *mut i32,
)