} rast_tab[INTEL_MAX_TRIFUNC];
-#define DO_FALLBACK (IND & INTEL_FALLBACK_BIT)
-#define DO_OFFSET (IND & INTEL_OFFSET_BIT)
-#define DO_UNFILLED (IND & INTEL_UNFILLED_BIT)
-#define DO_TWOSIDE (IND & INTEL_TWOSIDE_BIT)
+#define DO_FALLBACK ((IND & INTEL_FALLBACK_BIT) != 0)
+#define DO_OFFSET ((IND & INTEL_OFFSET_BIT) != 0)
+#define DO_UNFILLED ((IND & INTEL_UNFILLED_BIT) != 0)
+#define DO_TWOSIDE ((IND & INTEL_TWOSIDE_BIT) != 0)
#define DO_FLAT 0
#define DO_TRI 1
#define DO_QUAD 1