From: Brian <brian.paul@tungstengraphics.com>
Date: Tue, 19 Feb 2008 23:28:25 +0000 (-0700)
Subject: gallium: initialize the killmask register to zero before running shader
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=75a4524f2c6444b27055e539da052827670b62cf;p=mesa.git

gallium: initialize the killmask register to zero before running shader

This fixes mysterious missing fragments when running with SSE.
---

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,