1 files changed, 18 insertions, 0 deletions
diff --git a/module/math/polyfill.m b/module/math/polyfill.m
new file mode 100644
index 00000000..be9af8db
--- /dev/null
+++ b/module/math/polyfill.m
@@ -0,0 +1,18 @@
+Polyfill: module
+{
+	PATH: con "/dis/math/polyfill.dis";
+
+	Zstate: adt{
+		r: Draw->Rect;
+		zbuf0, zbuf1: array of int;
+		xlen: int;
+		ylen: int;
+		xylen: int;
+	};
+
+	init: fn();
+	initzbuf: fn(r: Draw->Rect): ref Zstate;
+	clearzbuf: fn(s: ref Zstate);
+	setzbuf: fn(s: ref Zstate, zd: int);
+	fillpoly: fn(d: ref Image, v: array of Point, w: int, s: ref Image, p: Point, zstate: ref Zstate, dc, dx, dy: int);
+};
+\ No newline at end of file