Check for xfer barriers in GrBatch, auto-issue barriers in GrGpu

src/gpu/effects/GrDashingEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDashingEffect.h"
 
 #include "GrBatchTarget.h"
@@ skipping 599 matching lines @@
         SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth;
         fBounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]);
         fBounds.outset(xBloat, halfStrokeWidth);
 
         // Note, we actually create the combined matrix here, and save the work
         SkMatrix& combinedMatrix = fGeoData[0].fSrcRotInv;
         combinedMatrix.postConcat(geometry.fViewMatrix);
         combinedMatrix.mapRect(&fBounds);
     }
 
-    bool onCombineIfPossible(GrBatch* t) override {
-        if (!this->pipeline()->isEqual(*t->pipeline())) {
+    bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+        if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *t->pipeline(), t->bounds(),
+                                    caps)) {
             return false;
         }
 
         DashBatch* that = t->cast<DashBatch>();
 
         if (this->aaMode() != that->aaMode()) {
             return false;
         }
 
         if (this->fullDash() != that->fullDash()) {
@@ skipping 665 matching lines @@
     info.fIntervals = intervals;
     info.fCount = 2;
     info.fPhase = phase;
     SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info);
     SkASSERT(success);
 
     return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT);
 }
 
 #endif