fix tempReg test in _mesa_combine_programs()

2008-05-19 16:03:43 -06:00
parent fbfe2a58de
commit e469d78d33
1 changed files with 1 additions and 1 deletions
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -641,7 +641,7 @@ _mesa_combine_programs(GLcontext *ctx,
      if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) &&
          (progB->InputsRead & (1 << FRAG_ATTRIB_COL0))) {
         GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY);
-         if (!tempReg) {
+         if (tempReg < 0) {
            _mesa_problem(ctx, "No free temp regs found in "
                          "_mesa_combine_programs(), using 31");
            tempReg = 31;