Add warmup bench to visual bench

bench/RectBench.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 "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkCommandLineFlags.h"
@@ skipping 21 matching lines @@
 
     SkString fName;
     const char* computeName(const char root[]) {
         fName.printf("%s_%d", root, fShift);
         if (fStroke > 0) {
             fName.appendf("_stroke_%d", fStroke);
         }
         return fName.c_str();
     }
 
+    bool isVisual() override { return true; }
+
 protected:
     virtual void drawThisRect(SkCanvas* c, const SkRect& r, const SkPaint& p) {
         c->drawRect(r, p);
     }
 
     virtual const char* onGetName() { return computeName("rects"); }
 
     virtual void onPreDraw() {
         SkRandom rand;
         const SkScalar offset = SK_Scalar1/3;
@@ skipping 222 matching lines @@
                                    "maskopaque");)
 DEF_BENCH(return new BlitMaskBench(SkCanvas::kPoints_PointMode,
                                    BlitMaskBench::kMaskBlack,
                                    "maskblack");)
 DEF_BENCH(return new BlitMaskBench(SkCanvas::kPoints_PointMode,
                                    BlitMaskBench::kMaskColor,
                                    "maskcolor");)
 DEF_BENCH(return new BlitMaskBench(SkCanvas::kPoints_PointMode,
                                    BlitMaskBench::KMaskShader,
                                    "maskshader");)