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 // A benchmark designed to isolate the constant overheads of picture recording. 9 // We record an empty picture and a picture with one draw op to force memory allocation. 10 11 #include "Benchmark.h" 12 #include "SkCanvas.h" 13 #include "SkPictureRecorder.h" 14 15 template <bool kDraw> 16 struct PictureOverheadBench : public Benchmark { onGetNamePictureOverheadBench17 const char* onGetName() override { 18 return kDraw ? "picture_overhead_draw" : "picture_overhead_nodraw"; 19 } isSuitableForPictureOverheadBench20 bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; } 21 onDrawPictureOverheadBench22 void onDraw(const int loops, SkCanvas*) override { 23 SkPictureRecorder rec; 24 for (int i = 0; i < loops; i++) { 25 rec.beginRecording(SkRect::MakeWH(2000,3000)); 26 if (kDraw) { 27 rec.getRecordingCanvas()->drawRect(SkRect::MakeXYWH(10, 10, 1000, 1000), SkPaint()); 28 } 29 SkAutoTUnref<SkPicture> pic(rec.endRecordingAsPicture()); 30 } 31 } 32 }; 33 34 DEF_BENCH(return (new PictureOverheadBench<false>);) 35 DEF_BENCH(return (new PictureOverheadBench< true>);) 36