check for culled-out paths inside SkDraw
BUG=629026
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2155213002
Review-Url: https://codereview.chromium.org/2155213002
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index efc43d2..32fe4bb 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -1017,6 +1017,27 @@
void SkDraw::drawDevPath(const SkPath& devPath, const SkPaint& paint, bool drawCoverage,
SkBlitter* customBlitter, bool doFill) const {
+ // Do a conservative quick-reject test, since a looper or other modifier may have moved us
+ // out of range.
+ if (!devPath.isInverseFillType()) {
+ // If we're a H or V line, our bounds will be empty. So we bloat here just so we don't
+ // appear empty to the intersects call. This also gives us slop in case we're antialiasing
+ SkRect pathBounds = devPath.getBounds().makeOutset(1, 1);
+
+ if (paint.getMaskFilter()) {
+ paint.getMaskFilter()->computeFastBounds(pathBounds, &pathBounds);
+
+ // Need to outset the path to work-around a bug in blurmaskfilter. When that is fixed
+ // we can remove this hack. See skbug.com/5542
+ pathBounds.outset(7, 7);
+ }
+
+ // Now compare against the clip's bounds
+ if (!SkRect::Make(fRC->getBounds()).intersects(pathBounds)) {
+ return;
+ }
+ }
+
SkBlitter* blitter = nullptr;
SkAutoBlitterChoose blitterStorage;
if (nullptr == customBlitter) {
