softpipe: setup pixel_offset for all primitive types
If we don't update this for all primitive-types, we end up rendering slightly offset points and lines up until the point where the first triangle gets drawn. This is obviously not correct, and violates OpenGL's repeatability rule.
Signed-off-by: Erik Faye-Lund erik.faye-lund@collabora.com Fixes: ca9c4136 ("softpipe: Respect gl_rasterization_rules in primitive setup.")