1 /* 2 * Copyright 2013 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 "Benchmark.h" 9 #include "SkBitmapSource.h" 10 #include "SkCanvas.h" 11 #include "SkMergeImageFilter.h" 12 13 #define FILTER_WIDTH_SMALL SkIntToScalar(32) 14 #define FILTER_HEIGHT_SMALL SkIntToScalar(32) 15 #define FILTER_WIDTH_LARGE SkIntToScalar(256) 16 #define FILTER_HEIGHT_LARGE SkIntToScalar(256) 17 18 class MergeBench : public Benchmark { 19 public: 20 MergeBench(bool small) : fIsSmall(small), fInitialized(false) { } 21 22 protected: 23 const char* onGetName() override { 24 return fIsSmall ? "merge_small" : "merge_large"; 25 } 26 27 void onPreDraw() override { 28 if (!fInitialized) { 29 make_bitmap(); 30 make_checkerboard(); 31 fInitialized = true; 32 } 33 } 34 35 void onDraw(const int loops, SkCanvas* canvas) override { 36 SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) : 37 SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE); 38 SkPaint paint; 39 paint.setImageFilter(mergeBitmaps())->unref(); 40 for (int i = 0; i < loops; i++) { 41 canvas->drawRect(r, paint); 42 } 43 } 44 45 private: 46 SkImageFilter* mergeBitmaps() { 47 SkImageFilter* first = SkBitmapSource::Create(fCheckerboard); 48 SkImageFilter* second = SkBitmapSource::Create(fBitmap); 49 SkAutoUnref aur0(first); 50 SkAutoUnref aur1(second); 51 return SkMergeImageFilter::Create(first, second); 52 } 53 54 void make_bitmap() { 55 fBitmap.allocN32Pixels(80, 80); 56 SkCanvas canvas(fBitmap); 57 canvas.clear(0x00000000); 58 SkPaint paint; 59 paint.setAntiAlias(true); 60 paint.setColor(0xFF884422); 61 paint.setTextSize(SkIntToScalar(96)); 62 const char* str = "g"; 63 canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint); 64 } 65 66 void make_checkerboard() { 67 fCheckerboard.allocN32Pixels(80, 80); 68 SkCanvas canvas(fCheckerboard); 69 canvas.clear(0x00000000); 70 SkPaint darkPaint; 71 darkPaint.setColor(0xFF804020); 72 SkPaint lightPaint; 73 lightPaint.setColor(0xFF244484); 74 for (int y = 0; y < 80; y += 16) { 75 for (int x = 0; x < 80; x += 16) { 76 canvas.save(); 77 canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); 78 canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); 79 canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); 80 canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); 81 canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); 82 canvas.restore(); 83 } 84 } 85 } 86 87 bool fIsSmall; 88 bool fInitialized; 89 SkBitmap fBitmap, fCheckerboard; 90 91 typedef Benchmark INHERITED; 92 }; 93 94 /////////////////////////////////////////////////////////////////////////////// 95 96 DEF_BENCH( return new MergeBench(true); ) 97 DEF_BENCH( return new MergeBench(false); ) 98