From b5d76b68588c3be2a6b73f80e41a169716463644 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airliedfreedesktop.org>
Date: Wed, 19 Apr 2006 23:15:51 +0000
Subject: [PATCH] SrcReg->Swizzle is always initialized to SWIZZLE_NOOP, and if
 the program specifies a 2/3/4-compontent swizzle suffix, SrcReg->Swizzles is
 just ORed against the new component values, without resetting it first.

Attached patch makes tests/vptest2 pass.

From Tilam Sauerbeck bug 6673
---
 src/mesa/shader/nvvertparse.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mesa/shader/nvvertparse.c b/src/mesa/shader/nvvertparse.c
index 71d5116b3ef..a7e062c61cb 100644
--- a/src/mesa/shader/nvvertparse.c
+++ b/src/mesa/shader/nvvertparse.c
@@ -699,6 +699,9 @@ Parse_SwizzleSrcReg(struct parse_state *parseState, struct prog_src_register *sr
       else {
          /* 2, 3 or 4-component swizzle */
          GLint k;
+
+         srcReg->Swizzle = 0;
+
          for (k = 0; token[k] && k < 5; k++) {
             if (token[k] == 'x')
                srcReg->Swizzle |= 0 << (k*3);
-- 
2.30.2