5 extern int win_width, win_height;
6 extern bool opt_gear_wireframe;
18 void app_reshape(int x, int y);
20 void app_keyboard(int key, bool pressed);
21 void app_mouse_button(int bn, bool pressed, int x, int y);
22 void app_mouse_motion(int x, int y);
24 // the following functions are implemented by the backend (main.cc)
26 void app_swap_buffers();
27 unsigned int app_get_modifiers();