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authorIan Romanick <ian.d.romanick@intel.com>2009-10-20 10:58:14 -0700
committerIan Romanick <ian.d.romanick@intel.com>2009-10-22 19:20:15 -0700
commitdd245016657c599ecf24c4abe999319f9c870c47 (patch)
tree7316bb394e1e98137eb7ffa666e8a7d919103e5b /src/mesa/shader
parent55058652b886b95bfc24109a9edb04d274c01c1a (diff)
ARB prog parser: Fix parameter array size comparison
Array indexes are invalid when >= the maximum, but array sizes are only in valid when > the maximum. This prevented programs from declaring a single maximum size array. See the piglit vp-max-array test.
Diffstat (limited to 'src/mesa/shader')
-rw-r--r--src/mesa/shader/program_parse.tab.c2
-rw-r--r--src/mesa/shader/program_parse.y2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/shader/program_parse.tab.c b/src/mesa/shader/program_parse.tab.c
index 9f2d4de90fc..c255e912ed2 100644
--- a/src/mesa/shader/program_parse.tab.c
+++ b/src/mesa/shader/program_parse.tab.c
@@ -3109,7 +3109,7 @@ yyreduce:
/* Line 1455 of yacc.c */
#line 1041 "program_parse.y"
{
- if (((yyvsp[(1) - (1)].integer) < 1) || ((unsigned) (yyvsp[(1) - (1)].integer) >= state->limits->MaxParameters)) {
+ if (((yyvsp[(1) - (1)].integer) < 1) || ((unsigned) (yyvsp[(1) - (1)].integer) > state->limits->MaxParameters)) {
yyerror(& (yylsp[(1) - (1)]), state, "invalid parameter array size");
YYERROR;
} else {
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y
index 06c1915fbee..ae9e15ae5ae 100644
--- a/src/mesa/shader/program_parse.y
+++ b/src/mesa/shader/program_parse.y
@@ -1039,7 +1039,7 @@ optArraySize:
}
| INTEGER
{
- if (($1 < 1) || ((unsigned) $1 >= state->limits->MaxParameters)) {
+ if (($1 < 1) || ((unsigned) $1 > state->limits->MaxParameters)) {
yyerror(& @1, state, "invalid parameter array size");
YYERROR;
} else {