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-rw-r--r--src/mesa/shader/prog_execute.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 37750cc330a..0067512cfb2 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -1767,7 +1767,7 @@ _mesa_execute_program(GLcontext * ctx,
break;
case OPCODE_PRINT:
{
- if (inst->SrcReg[0].File != -1) {
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
GLfloat a[4];
fetch_vector4(&inst->SrcReg[0], machine, a);
printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,