This helps us moving opengl dependencies into a single source file so we
can easily disable it.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This currently does not work properly so disable it. However, we
definitely need to fix this later.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
The GL subsystem is copied from the old output_context subsystem and now
provides shader and GL-math. It will replace the old output_context subs
soon.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
