From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 5 Nov 2008 20:55:56 +0000 (-0700)
Subject: gallium: added some sanity check assertions for constant buffer indexing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a137f03c56688c190f3542fb6b7c9a4ff4c80cff;p=mesa.git

gallium: added some sanity check assertions for constant buffer indexing
---

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index df002939c6b..ea5a44fb8ab 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -958,6 +958,10 @@ fetch_src_file_channel(
       switch( file ) {
       case TGSI_FILE_CONSTANT:
          assert(mach->Consts);
+         assert(index->i[0] >= 0);
+         assert(index->i[1] >= 0);
+         assert(index->i[2] >= 0);
+         assert(index->i[3] >= 0);
          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];