1 /* 2 * Copyright 2012 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/SkPaint.h" 11 #include "include/core/SkShader.h" 12 #include "include/core/SkString.h" 13 #include "tools/Resources.h" 14 15 class FilteringBench : public Benchmark { 16 public: FilteringBench(SkFilterMode fm,SkMipmapMode mm)17 FilteringBench(SkFilterMode fm, SkMipmapMode mm) : fSampling(fm, mm) { 18 fName.printf("samplingoptions_filter_%d_mipmap_%d", (int)fm, (int)mm); 19 } 20 21 protected: onGetName()22 const char* onGetName() override { 23 return fName.c_str(); 24 } 25 onDelayedSetup()26 void onDelayedSetup() override { 27 auto img = GetResourceAsImage("images/ship.png"); 28 // need to force raster since lazy doesn't support filteroptions yet 29 img = img->makeRasterImage(); 30 31 fRect = SkRect::MakeIWH(img->width(), img->height()); 32 fShader = img->makeShader(SkTileMode::kClamp, SkTileMode::kClamp, fSampling); 33 } 34 onDraw(int loops,SkCanvas * canvas)35 void onDraw(int loops, SkCanvas* canvas) override { 36 // scale so we will trigger lerping between levels if we mipmapping 37 canvas->scale(0.75f, 0.75f); 38 39 SkPaint paint; 40 paint.setShader(fShader); 41 for (int i = 0; i < loops; ++i) { 42 for (int j = 0; j < 10; ++j) { 43 canvas->drawRect(fRect, paint); 44 } 45 } 46 } 47 48 private: 49 SkString fName; 50 SkRect fRect; 51 sk_sp<SkShader> fShader; 52 SkSamplingOptions fSampling; 53 54 using INHERITED = Benchmark; 55 }; 56 57 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kLinear); ) 58 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNearest); ) 59 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNone); ) 60 61 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kLinear); ) 62 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNearest); ) 63 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNone); ) 64
