crtc.py 文件源码

def set(self, fb, x, y, mode, *conns):
        arg = DrmModeCrtcC()
        arg.crtc_id = self.id
        arg.fb_id = fb.id
        arg.x = x
        arg.y = y
        arg.mode_valid = 1
        arg.mode = mode._arg

        connector_ids = (ctypes.c_uint32 * len(conns))(*[conn.id for conn in conns])
        arg.set_connectors_ptr = ctypes.cast(ctypes.pointer(connector_ids), ctypes.c_void_p).value
        arg.count_connectors = len(conns)

        fcntl.ioctl(self._drm.fd, DRM_IOCTL_MODE_SETCRTC, arg)

        self.fetch()