From 65075da8c39f686ec4ab6593d7b0574982d21a23 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 19 May 2008 16:04:02 -0600
Subject: fix tempReg test in _mesa_combine_programs()

---
 src/mesa/shader/program.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index e06ab5aa23..a0817a91ec 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -602,7 +602,7 @@ _mesa_combine_programs(GLcontext *ctx,
       if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) &&
           (progB->InputsRead & (1 << FRAG_ATTRIB_COL0))) {
          GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY);
-         if (!tempReg) {
+         if (tempReg < 0) {
             _mesa_problem(ctx, "No free temp regs found in "
                           "_mesa_combine_programs(), using 31");
             tempReg = 31;
-- 
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