Try out SkTree in nanobench.

bench/nanobench.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 <ctype.h>
 
 #include "Benchmark.h"
 #include "CrashHandler.h"
 #include "GMBench.h"
 #include "ProcStats.h"
 #include "ResultsWriter.h"
 #include "RecordingBench.h"
 #include "SKPBench.h"
 #include "Stats.h"
 #include "Timer.h"
 
-#include "SkBBHFactory.h"
+#include "SkBBoxHierarchy.h"
 #include "SkCanvas.h"
 #include "SkCommonFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkOSFile.h"
 #include "SkPictureRecorder.h"
 #include "SkString.h"
 #include "SkSurface.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 32 matching lines @@
 DEFINE_bool(gpuCompressAlphaMasks, false, "Compress masks generated from falling back to "
                                           "software path rendering.");
 
 DEFINE_string(outResultsFile, "", "If given, write results here as JSON.");
 DEFINE_int32(maxCalibrationAttempts, 3,
              "Try up to this many times to guess loops for a bench, or skip the bench.");
 DEFINE_int32(maxLoops, 1000000, "Never run a bench more times than this.");
 DEFINE_string(clip, "0,0,1000,1000", "Clip for SKPs.");
 DEFINE_string(scales, "1.0", "Space-separated scales for SKPs.");
 DEFINE_bool(bbh, true, "Build a BBH for SKPs?");
-DEFINE_int32(benchTile, 256, "Tile dimension used for SKP playback.");
 DEFINE_int32(flushEvery, 10, "Flush --outResultsFile every Nth run.");
 
 static SkString humanize(double ms) {
     if (FLAGS_verbose) return SkStringPrintf("%llu", (uint64_t)(ms*1e6));
     if (ms > 1e+3)     return SkStringPrintf("%.3gs",  ms/1e3);
     if (ms < 1e-3)     return SkStringPrintf("%.3gns", ms*1e6);
 #ifdef SK_BUILD_FOR_WIN
     if (ms < 1)        return SkStringPrintf("%.3gus", ms*1e3);
 #else
     if (ms < 1)        return SkStringPrintf("%.3gµs", ms*1e3);
@@ skipping 424 matching lines @@
         // Then once each for each scale as SKPBenches (playback).
         while (fCurrentScale < fScales.count()) {
             while (fCurrentSKP < fSKPs.count()) {
                 const SkString& path = fSKPs[fCurrentSKP++];
                 SkAutoTUnref<SkPicture> pic;
                 if (!ReadPicture(path.c_str(), &pic)) {
                     continue;
                 }
                 if (FLAGS_bbh) {
                     // The SKP we read off disk doesn't have a BBH.  Re-record so it grows one.
-                    const SkTileGridFactory::TileGridInfo info = {
-                        SkISize::Make(FLAGS_benchTile, FLAGS_benchTile),  // tile interval
-                        SkISize::Make(0,0),                               // margin
-                        SkIPoint::Make(0,0),                              // offset
-                    };
-                    SkTileGridFactory factory(info);
+                    SkRTreeFactory factory;
                     SkPictureRecorder recorder;
                     pic->playback(recorder.beginRecording(pic->cullRect().width(),
                                                           pic->cullRect().height(),
                                                           &factory));
                     pic.reset(recorder.endRecording());
                 }
                 SkString name = SkOSPath::Basename(path.c_str());
                 fSourceType = "skp";
                 fBenchType  = "playback";
                 return SkNEW_ARGS(SKPBench,
@@ skipping 185 matching lines @@
                         , HUMANIZE(stats.max)
                         , stddev_percent
                         , stats.plot.c_str()
                         , config
                         , bench->getUniqueName()
                         );
             }
 #if SK_SUPPORT_GPU && GR_CACHE_STATS
             if (FLAGS_veryVerbose &&
                 Benchmark::kGPU_Backend == targets[j]->config.backend) {
-                gGrFactory->get(targets[j]->config.ctxType)->printCacheStats();  
+                gGrFactory->get(targets[j]->config.ctxType)->printCacheStats();
             }
 #endif
         }
         targets.deleteAll();
 
 #if SK_SUPPORT_GPU
         if (FLAGS_abandonGpuContext) {
             gGrFactory->abandonContexts();
         }
         if (FLAGS_resetGpuContext || FLAGS_abandonGpuContext) {
             gGrFactory->destroyContexts();
         }
 #endif
     }
 
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return nanobench_main();
 }
 #endif