-void v3d_simulator_init(struct v3d_screen *screen);
-void v3d_simulator_destroy(struct v3d_screen *screen);
-uint32_t v3d_simulator_get_spill(uint32_t spill_size);
-int v3d_simulator_ioctl(int fd, unsigned long request, void *arg);
-void v3d_simulator_open_from_handle(int fd, int handle, uint32_t size);
-