Compute/setup fog coordinates even if vertex program is enabled.
Only when fog's enabled, of course.
In the usual case, this is just a pass-through operation.
diff --git a/src/mesa/tnl/t_pipeline.c b/src/mesa/tnl/t_pipeline.c
index 2a0ed88..357ef1e 100644
--- a/src/mesa/tnl/t_pipeline.c
+++ b/src/mesa/tnl/t_pipeline.c
@@ -199,11 +199,11 @@
&_tnl_vertex_transform_stage,
&_tnl_normal_transform_stage,
&_tnl_lighting_stage,
- &_tnl_fog_coordinate_stage,
&_tnl_texgen_stage,
&_tnl_texture_transform_stage,
&_tnl_point_attenuation_stage,
&_tnl_vertex_program_stage,
+ &_tnl_fog_coordinate_stage,
&_tnl_render_stage,
NULL
};