From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 19 May 2008 22:04:02 +0000 (-0600)
Subject: fix tempReg test in _mesa_combine_programs()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8493f0849f6fa6ef87388c3a7e179a329447a763;p=mesa.git

fix tempReg test in _mesa_combine_programs()
---

diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index e06ab5aa237..a0817a91ec0 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;