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-rw-r--r--src/mesa/shader/prog_execute.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index a1c20a325e6..37750cc330a 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -1767,10 +1767,15 @@ _mesa_execute_program(GLcontext * ctx,
break;
case OPCODE_PRINT:
{
- GLfloat a[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
- a[0], a[1], a[2], a[3]);
+ if (inst->SrcReg[0].File != -1) {
+ GLfloat a[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
+ a[0], a[1], a[2], a[3]);
+ }
+ else {
+ printf("%s\n", (const char *) inst->Data);
+ }
}
break;
case OPCODE_END: