From 272622a2e016c2e378efd64f22b5e37e342a1f48 Mon Sep 17 00:00:00 2001
From: Brian <brian@yutani.localnet.net>
Date: Wed, 17 Jan 2007 18:21:00 -0700
Subject: do bounds check in _slang_push_var_table(), added comment

---
 src/mesa/shader/slang/slang_vartable.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/mesa')

diff --git a/src/mesa/shader/slang/slang_vartable.c b/src/mesa/shader/slang/slang_vartable.c
index f9121f740b..6d2b4369d9 100644
--- a/src/mesa/shader/slang/slang_vartable.c
+++ b/src/mesa/shader/slang/slang_vartable.c
@@ -32,6 +32,8 @@ struct slang_var_table_
 
 /**
  * Create new table, put at head, return ptr to it.
+ * XXX we should take a maxTemps parameter to indicate how many temporaries
+ * are available for the current shader/program target.
  */
 slang_var_table *
 _slang_push_var_table(slang_var_table *parent)
@@ -139,7 +141,7 @@ alloc_reg(slang_var_table *t, GLint size, GLboolean isTemp)
    for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
       GLuint found = 0;
       for (j = 0; j < sz4; j++) {
-         if (!t->temps[i + j]) {
+         if (i + j < MAX_PROGRAM_TEMPS && !t->temps[i + j]) {
             found++;
          }
          else {
-- 
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