added documentation on glsl cvars to r_shadow_help

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@4955 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/r_shadow.c b/r_shadow.c
index 56a4e5fd75d7a44162e8efb76d28f80ba5af19e5..45927703e88acf2eee3afc67df541f7b20b6ccc5 100644 (file)
--- a/r_shadow.c
+++ b/r_shadow.c
@@ -566,6 +566,10 @@ void R_Shadow_Help_f(void)
 "r_shadow_realtime_world_dlightshadows : cast shadows from dlights\n"
 "r_shadow_realtime_world_lightmaps : use lightmaps in addition to lights\n"
 "r_shadow_realtime_world_shadows : cast shadows from world lights\n"
+"r_shadow_glsl : use OpenGL Shading Language for lighting\n"
+"r_shadow_glsl_offsetmapping : enables Offset Mapping bumpmap enhancement\n"
+"r_shadow_glsl_offsetmapping_scale : controls depth of Offset Mapping\n"
+"r_shadow_glsl_offsetmapping_bias : should be negative half of scale\n"
 "r_shadow_scissor : use scissor optimization\n"
 "r_shadow_shadow_polygonfactor : nudge shadow volumes closer/further\n"
 "r_shadow_shadow_polygonoffset : nudge shadow volumes closer/further\n"