Clip projected ripples to outlines

bug:27343928

Also fixes positioning of ripples to a scrolled projection receiver.

Change-Id: I74b7233c46d7c15839ca8bf50e188ba6646d7432
diff --git a/libs/hwui/BakedOpState.h b/libs/hwui/BakedOpState.h
index 4365ef8..ffe2901 100644
--- a/libs/hwui/BakedOpState.h
+++ b/libs/hwui/BakedOpState.h
@@ -88,6 +88,7 @@
     const ClipBase* clipState = nullptr;
     Rect clippedBounds;
     int clipSideFlags = 0;
+    const SkPath* localProjectionPathMask = nullptr;
 };
 
 /**
@@ -154,7 +155,6 @@
     // simple state (straight pointer/value storage):
     const float alpha;
     const RoundRectClipState* roundRectClipState;
-    const ProjectionPathMask* projectionPathMask;
     const RecordedOp* op;
 
 private:
@@ -165,21 +165,18 @@
             : computedState(allocator, snapshot, recordedOp, expandForStroke)
             , alpha(snapshot.alpha)
             , roundRectClipState(snapshot.roundRectClipState)
-            , projectionPathMask(snapshot.projectionPathMask)
             , op(&recordedOp) {}
 
     BakedOpState(LinearAllocator& allocator, Snapshot& snapshot, const ShadowOp* shadowOpPtr)
             : computedState(allocator, snapshot)
             , alpha(snapshot.alpha)
             , roundRectClipState(snapshot.roundRectClipState)
-            , projectionPathMask(snapshot.projectionPathMask)
             , op(shadowOpPtr) {}
 
     BakedOpState(const ClipRect* clipRect, const Rect& dstRect, const RecordedOp& recordedOp)
             : computedState(clipRect, dstRect)
             , alpha(1.0f)
             , roundRectClipState(nullptr)
-            , projectionPathMask(nullptr)
             , op(&recordedOp) {}
 };