i965: Add comments about URB size units and limits.

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Acked-by: Chris Wilson <[email protected]>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index ab0c78ff8f8..f3312360213 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -555,12 +555,12 @@ struct brw_context
       GLuint nr_sf_entries;
       GLuint nr_cs_entries;
 
-      /* gen6 */
+      /* gen6:
+       * The length of each URB entry owned by the VS (or GS), as
+       * a number of 1024-bit (128-byte) rows.  Should be >= 1.
+       */
       GLuint vs_size;
 /*       GLuint gs_size; */
-/*       GLuint clip_size; */
-/*       GLuint sf_size; */
-/*       GLuint cs_size; */
 
       GLuint vs_start;
       GLuint gs_start;