Meanwhile I found a other hint -> https://github.com/anholt/libepoxy/issues/201#issuecomment-473466249
And so I changed the xlib.py in pyglet: # self._have_MESA_swap_control = config.glx_info.have_extension('GLX_MESA_swap_control') self._have_MESA_swap_control = config.glx_info.have_extension('GLX_EXT_swap_control') # vs. 19/8/19 This works for me. But my raspi 4 is actually to slow to show my sprites smoothly... Am Montag, 19. August 2019 14:24:30 UTC+2 schrieb Benjamin Moran: > > What happens if you set vsync=False when creating the window? -- You received this message because you are subscribed to the Google Groups "pyglet-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to pyglet-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/pyglet-users/2791dfb0-e4cd-4711-a2f6-2ed931b76dd6%40googlegroups.com.