glthread: don't upload for glDraw inside a display list and always sync
Let the vbo module handle it, not glthread.
This handles functions set in vbo_initialize_save_dispatch.
Fixes: 2840bc30 Closes: #3001 (closed)
Let the vbo module handle it, not glthread.
This handles functions set in vbo_initialize_save_dispatch.
Fixes: 2840bc30 Closes: #3001 (closed)