llvmpipe: comments

diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 632cafa2e6e9f3b4ea1f62e2ef2bc8d94f4bbd60..2c349fdb1d11a77fd618e9f55faf0554de303e00 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -135,9 +135,11 @@ compute_vertex_info(struct llvmpipe_context *llvmpipe)
 }
 
 
-
-
-/* Hopefully this will remain quite simple, otherwise need to pull in
+/**
+ * Handle state changes.
+ * Called just prior to drawing anything (pipe::draw_arrays(), etc).
+ *
+ * Hopefully this will remain quite simple, otherwise need to pull in
  * something like the state tracker mechanism.
  */
 void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe )