gallium: added comment

diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index c25c668329a91e699a181328da0120d6f1f35cd2..59314a32322d3eb812d74a085d7516d8aa01e4aa 100644 (file)
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -187,6 +187,12 @@ st_translate_vertex_program(struct st_context *st,
       if (stvp->Base.Base.OutputsWritten & (1 << attr)) {
          GLuint slot;
 
+         /* XXX
+          * Pass in the fragment program's input's semantic info.
+          * Use the generic semantic indexes from there, instead of
+          * guessing below.
+          */
+
          if (outputMapping) {
             slot = outputMapping[attr];
             assert(slot != ~0);