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-rw-r--r--src/mesa/tnl/t_vb_program.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c
index 66c5e13729c..dc954bcba14 100644
--- a/src/mesa/tnl/t_vb_program.c
+++ b/src/mesa/tnl/t_vb_program.c
@@ -386,6 +386,9 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
#endif
COPY_4V(store->results[attr].data[i], machine.Outputs[attr]);
}
+#ifdef NAN_CHECK
+ ASSERT(machine.Outputs[0][3] != 0.0F);
+#endif
#if 0
printf("HPOS: %f %f %f %f\n",
machine.Outputs[0][0],