Attempt to combine batches in forward direction before flush

src/gpu/GrContext.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 "GrContext.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
@@ skipping 77 matching lines @@
     fResourceProvider = new GrResourceProvider(fGpu, fResourceCache, &fSingleOwner);
 
     fLayerCache.reset(new GrLayerCache(this));
 
     fDidTestPMConversions = false;
 
     GrDrawTarget::Options dtOptions;
     dtOptions.fClipBatchToBounds = options.fClipBatchToBounds;
     dtOptions.fDrawBatchBounds = options.fDrawBatchBounds;
     dtOptions.fMaxBatchLookback = options.fMaxBatchLookback;
+    dtOptions.fMaxBatchLookahead = options.fMaxBatchLookahead;
     fDrawingManager.reset(new GrDrawingManager(this, dtOptions, &fSingleOwner));
 
     // GrBatchFontCache will eventually replace GrFontCache
     fBatchFontCache = new GrBatchFontCache(this);
 
     fTextBlobCache.reset(new GrTextBlobCache(TextBlobCacheOverBudgetCB, this));
 }
 
 GrContext::~GrContext() {
     ASSERT_SINGLE_OWNER
@@ skipping 554 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }