WIP: GPU-accelerated trapezoidal path renderer.

src/core/SkScan_AntiPath.cpp

Index: src/core/SkScan_AntiPath.cpp
diff --git a/src/core/SkScan_AntiPath.cpp b/src/core/SkScan_AntiPath.cpp
index 6ea6b8b07ea37e78ef79e752a1e34d4ddbf8a1f6..09b3260c880c4eec341fd9f3e9fe2eaf9d089bd6 100644
--- a/src/core/SkScan_AntiPath.cpp
+++ b/src/core/SkScan_AntiPath.cpp
@@ -715,10 +715,10 @@ void SkScan::AntiFillPath(const SkPath& path, const SkRegion& origClip,
     if (!isInverse && MaskSuperBlitter::CanHandleRect(ir) && !forceRLE) {
         MaskSuperBlitter    superBlit(blitter, ir, *clipRgn, isInverse);
         SkASSERT(SkIntToScalar(ir.fTop) <= path.getBounds().fTop);
-        sk_fill_path(path, superClipRect, &superBlit, ir.fTop, ir.fBottom, SHIFT, *clipRgn);
+        sk_fill_path(path, superClipRect, &superBlit, NULL, ir.fTop, ir.fBottom, SHIFT, *clipRgn);
     } else {
         SuperBlitter    superBlit(blitter, ir, *clipRgn, isInverse);
-        sk_fill_path(path, superClipRect, &superBlit, ir.fTop, ir.fBottom, SHIFT, *clipRgn);
+        sk_fill_path(path, superClipRect, &superBlit, NULL, ir.fTop, ir.fBottom, SHIFT, *clipRgn);
     }
 
     if (isInverse) {