2 files changed, 17 insertions, 0 deletions
diff --git a/src/core/SkClipStack.cpp b/src/core/SkClipStack.cpp
index bc8c5c5d62..f41945e090 100644
--- a/src/core/SkClipStack.cpp
+++ b/src/core/SkClipStack.cpp
@@ -580,6 +580,20 @@ void SkClipStack::restoreTo(int saveCount) {
     }
 }
 
+SkRect SkClipStack::bounds(const SkIRect& deviceBounds) const {
+    // TODO: optimize this.
+    SkRect r;
+    SkClipStack::BoundsType bounds;
+    this->getBounds(&r, &bounds);
+    if (bounds == SkClipStack::kInsideOut_BoundsType) {
+        return SkRect::Make(deviceBounds);
+    }
+    return r.intersect(SkRect::Make(deviceBounds)) ? r : SkRect::MakeEmpty();
+}
+
+// TODO: optimize this.
+bool SkClipStack::isEmpty(const SkIRect& r) const { return this->bounds(r).isEmpty(); }
+
 void SkClipStack::getBounds(SkRect* canvFiniteBound,
                             BoundsType* boundType,
                             bool* isIntersectionOfRects) const {
diff --git a/src/core/SkClipStack.h b/src/core/SkClipStack.h
index 2f24d69502..080712dfe3 100644
--- a/src/core/SkClipStack.h
+++ b/src/core/SkClipStack.h
@@ -353,6 +353,9 @@ public:
                    BoundsType* boundType,
                    bool* isIntersectionOfRects = NULL) const;
 
+    SkRect bounds(const SkIRect& deviceBounds) const;
+    bool isEmpty(const SkIRect& deviceBounds) const;
+
     /**
      * Returns true if the input (r)rect in device space is entirely contained
      * by the clip. A return value of false does not guarantee that the (r)rect