[Mesa-dev] [PATCH] i965/gen6/GT1: Increase max_vs_entries to 256.

Paul Berry stereotype441 at gmail.com
Tue Jan 24 12:35:45 PST 2012


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.
---
 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;
-- 
1.7.6.5



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