Mesa (master): i965/gen6/GT1: Increase max_vs_entries to 256.

[Paul Berry]

Module: Mesa
Branch: master
Commit: dc435ae774b1deed3d00b7c7d33133c08b626737
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dc435ae774b1deed3d00b7c7d33133c08b626737

Author: Paul Berry <stereotype441 at gmail.com>
Date:   Tue Jan 24 12:16:29 2012 -0800

i965/gen6/GT1: Increase max_vs_entries to 256.

Previously, max_vs_entries was set to 128 for GT1, and 256 for GT2,
based on the PRM (see Vol2, part1, p28).  However, Bspec section 1.6.5
indicates that the maximum number of VS entries is 256 for GT1.

No piglit regressions on GT1.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_context.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index eb152f9..87ea1a5 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -328,7 +328,7 @@ brwCreateContext(int api,
 	 brw->max_vs_threads = 24;
 	 brw->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
 	 brw->urb.size = 32;            /* volume 5c.5 section 5.1 */
-	 brw->urb.max_vs_entries = 128; /* volume 2a (see 3DSTATE_URB) */
+	 brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
 	 brw->urb.max_gs_entries = 256;
       }
       brw->urb.gen6_gs_previously_active = false;