Restrict query bounds for reduce clip to dev bounds

src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp

Index: src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
diff --git a/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp b/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
index e6cf035ce6a86ec6170bbe95109ae8c59d63ba02..163cda693cc3c0c8db85aac5b321b9a5682a8538 100644
--- a/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
+++ b/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
@@ -264,6 +264,14 @@ private:
 
         // compute bounds
         fBounds = geometry.fPath.getBounds();
+        SkScalar w = geometry.fStrokeWidth;
+        if (w > 0) {
+            w /= 2;
+            if (SkPaint::kMiter_Join == geometry.fJoin) {

[robertphillips, 2015/11/23 17:22:55]

Shouldn't this be a max ?
Does the miterLimit apply to hairlines (i.e., should we check it for hairlines
too) ?

[bsalomon, 2015/11/23 17:59:34]

hairlines don't get joins applied to them. Do you mean max(w, w*miterlimit)? I
was assuming miter limit is >= 1, but will check.

+                w *= geometry.fMiterLimit;
+            }
+            fBounds.outset(w, w);
+        }
         geometry.fViewMatrix.mapRect(&fBounds);
     }