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-rw-r--r--src/mesa/shader/prog_parameter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
index aac488c79ab..ddbfe95c152 100644
--- a/src/mesa/shader/prog_parameter.c
+++ b/src/mesa/shader/prog_parameter.c
@@ -591,7 +591,7 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
if (vSize == 1) {
/* look for v[0] anywhere within float[4] value */
GLuint j;
- for (j = 0; j < 4; j++) {
+ for (j = 0; j < list->Parameters[i].Size; j++) {
if (list->ParameterValues[i][j] == v[0]) {
/* found it */
*posOut = i;