All batches do their own pipeline compare

src/gpu/GrAAConvexPathRenderer.cpp

Index: src/gpu/GrAAConvexPathRenderer.cpp
diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index fed6a7afd7451c32605bf82f0dfeb17708dc51cc..7e65fccc4502b5d314e324b711af6140723263f7 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -938,6 +938,10 @@ private:
     }
 
     bool onCombineIfPossible(GrBatch* t) override {
+        if (!this->pipeline()->isEqual(*t->pipeline())) {
+            return false;
+        }
+
         AAConvexPathBatch* that = t->cast<AAConvexPathBatch>();
 
         if (this->color() != that->color()) {