From: José Fonseca <jrfonseca@tungstengraphics.com>
Date: Wed, 10 Sep 2008 01:32:52 +0000 (+0900)
Subject: tgsi: Verify constants are set before attempting to read them.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dc1834a873726b9920c2cae6ffad86e09d4637ee;p=mesa.git

tgsi: Verify constants are set before attempting to read them.
---

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index fb573fe1f0c..df002939c6b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -957,6 +957,7 @@ fetch_src_file_channel(
    case TGSI_EXTSWIZZLE_W:
       switch( file ) {
       case TGSI_FILE_CONSTANT:
+         assert(mach->Consts);
          chan->f[0] = mach->Consts[index->i[0]][swizzle];
          chan->f[1] = mach->Consts[index->i[1]][swizzle];
          chan->f[2] = mach->Consts[index->i[2]][swizzle];