All batches do their own pipeline compare

src/gpu/GrDefaultPathRenderer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDefaultPathRenderer.h"
 
 #include "GrBatch.h"
@@ skipping 366 matching lines @@
         this->initClassID<DefaultPathBatch>();
         fBatch.fCoverage = coverage;
         fBatch.fIsHairline = isHairline;
         fBatch.fViewMatrix = viewMatrix;
         fGeoData.push_back(geometry);
 
         this->setBounds(devBounds);
     }
 
     bool onCombineIfPossible(GrBatch* t) override {
+        if (!this->pipeline()->isEqual(*t->pipeline())) {
+            return false;
+        }
+
         DefaultPathBatch* that = t->cast<DefaultPathBatch>();
 
         if (this->color() != that->color()) {
             return false;
         }
 
         if (this->coverage() != that->coverage()) {
             return false;
         }
 
@@ skipping 361 matching lines @@
     geometry.fColor = color;
     geometry.fPath = path;
     geometry.fTolerance = srcSpaceTol;
 
     viewMatrix.mapRect(&bounds);
     uint8_t coverage = GrRandomCoverage(random);
     return DefaultPathBatch::Create(geometry, coverage, viewMatrix, true, bounds);
 }
 
 #endif