From 75a4524f2c6444b27055e539da052827670b62cf Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Tue, 19 Feb 2008 16:28:25 -0700
Subject: [PATCH] gallium: initialize the killmask register to zero before
 running shader

This fixes mysterious missing fragments when running with SSE.
---
 src/gallium/drivers/softpipe/sp_fs_sse.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/softpipe/sp_fs_sse.c b/src/gallium/drivers/softpipe/sp_fs_sse.c
index b18772f4e6d..53050b78230 100644
--- a/src/gallium/drivers/softpipe/sp_fs_sse.c
+++ b/src/gallium/drivers/softpipe/sp_fs_sse.c
@@ -124,6 +124,9 @@ fs_sse_run( struct sp_fragment_shader *base,
 		       (float)quad->x0, (float)quad->y0, 
 		       machine->Temps);
 
+   /* init kill mask */
+   machine->Temps[TGSI_EXEC_TEMP_KILMASK_I].xyzw[TGSI_EXEC_TEMP_KILMASK_C].u[0] = 0x0;
+
    shader->func( machine->Inputs,
 		 machine->Outputs,
 		 machine->Consts,
-- 
2.30.2