Doesn't seem to help with glean's paths test, but I'm pretty sure it's correct.
#define POINT_FALLBACK (DD_POINT_SMOOTH)
#define LINE_FALLBACK (DD_LINE_STIPPLE|DD_LINE_SMOOTH)
-#define TRI_FALLBACK (DD_TRI_SMOOTH)
+#define TRI_FALLBACK (DD_TRI_STIPPLE|DD_TRI_SMOOTH)
#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)
#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
#define _SIS_NEW_RENDER_STATE (ANY_RASTER_FLAGS | ANY_FALLBACK_FLAGS)