submodule/skia/bench/PictureOverheadBench.cpp

   1 /*
   2  * Copyright 2015 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "bench/Benchmark.h"
   9 #include "include/core/SkCanvas.h"
  10 #include "include/core/SkPictureRecorder.h"
  11 #include "include/core/SkRRect.h"
  12
  13 class ClipOverheadRecordingBench : public Benchmark {
  14 public:
  15     ClipOverheadRecordingBench() {}
  16
  17 private:
  18     const char* onGetName() override { return "clip_overhead_recording"; }
  19     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
  20
  21     void onDraw(int loops, SkCanvas*) override {
  22         SkPictureRecorder rec;
  23
  24         for (int loop = 0; loop < loops; loop++) {
  25             SkCanvas* canvas = rec.beginRecording({0,0, 2000,3000});
  26
  27             SkPaint paint;
  28             SkRRect rrect;
  29             rrect.setOval({0, 0, 1000, 1000});
  30             for (int i = 0; i < 1000; i++) {
  31                 canvas->save();
  32                     canvas->translate(10, 10);
  33                     canvas->clipRect({10,10, 1000, 1000});
  34                     canvas->drawRRect(rrect, paint);
  35                 canvas->restore();
  36             }
  37
  38             (void)rec.finishRecordingAsPicture();
  39         }
  40     }
  41 };
  42 DEF_BENCH( return new ClipOverheadRecordingBench; )