create and thread batch tracker object

src/gpu/GrOptDrawState.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 "GrOptDrawState.h"
 
 #include "GrDrawState.h"
@@ skipping 104 matching lines @@
     for (int i = firstCoverageStageIdx; i < drawState.numCoverageStages(); ++i) {
         SkNEW_APPEND_TO_TARRAY(&fFragmentStages,
                                GrPendingFragmentStage,
                                (drawState.fCoverageStages[i], hasLocalCoords));
     }
 
     this->setOutputStateInfo(drawState, blendOpt, *gpu->caps(), &descInfo);
 
     // now create a key
     gpu->buildProgramDesc(*this, descInfo, drawType, &fDesc);
+
+    // let the GP init the batch tracker
+    if (drawState.hasGeometryProcessor()) {
+        GrGeometryProcessor::InitBT init;
+        init.fOutputColor = descInfo.fInputColorIsUsed;
+        init.fOutputCoverage = descInfo.fInputCoverageIsUsed;
+        init.fColor = this->getColor();
+        init.fCoverage = this->getCoverage();
+        fGeometryProcessor->initBatchTracker(&fBatchTracker, init);
+    }
 };
 
 void GrOptDrawState::setOutputStateInfo(const GrDrawState& ds,
                                         GrDrawState::BlendOpt blendOpt,
                                         const GrDrawTargetCaps& caps,
                                         GrProgramDesc::DescInfo* descInfo) {
     // Set this default and then possibly change our mind if there is coverage.
     descInfo->fPrimaryOutputType = GrProgramDesc::kModulate_PrimaryOutputType;
     descInfo->fSecondaryOutputType = GrProgramDesc::kNone_SecondaryOutputType;
 
@@ skipping 131 matching lines @@
     SkASSERT(this->numFragmentStages() == that.numFragmentStages());
     for (int i = 0; i < this->numFragmentStages(); i++) {
 
         if (this->getFragmentStage(i) != that.getFragmentStage(i)) {
             return false;
         }
     }
     return true;
 }