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 "include/core/SkTileMode.h" 14 #include "tools/DecodeUtils.h" 15 #include "tools/Resources.h" 16 17 class FilteringBench : public Benchmark { 18 public: FilteringBench(SkFilterMode fm,SkMipmapMode mm)19 FilteringBench(SkFilterMode fm, SkMipmapMode mm) : fSampling(fm, mm) { 20 fName.printf("samplingoptions_filter_%d_mipmap_%d", (int)fm, (int)mm); 21 } 22 23 protected: onGetName()24 const char* onGetName() override { 25 return fName.c_str(); 26 } 27 onDelayedSetup()28 void onDelayedSetup() override { 29 auto img = ToolUtils::GetResourceAsImage("images/ship.png"); 30 // need to force raster since lazy doesn't support filteroptions yet 31 img = img->makeRasterImage(); 32 33 fRect = SkRect::MakeIWH(img->width(), img->height()); 34 fShader = img->makeShader(SkTileMode::kClamp, SkTileMode::kClamp, fSampling); 35 } 36 onDraw(int loops,SkCanvas * canvas)37 void onDraw(int loops, SkCanvas* canvas) override { 38 // scale so we will trigger lerping between levels if we mipmapping 39 canvas->scale(0.75f, 0.75f); 40 41 SkPaint paint; 42 paint.setShader(fShader); 43 for (int i = 0; i < loops; ++i) { 44 for (int j = 0; j < 10; ++j) { 45 canvas->drawRect(fRect, paint); 46 } 47 } 48 } 49 50 private: 51 SkString fName; 52 SkRect fRect; 53 sk_sp<SkShader> fShader; 54 SkSamplingOptions fSampling; 55 56 using INHERITED = Benchmark; 57 }; 58 59 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kLinear); ) 60 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNearest); ) 61 DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNone); ) 62 63 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kLinear); ) 64 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNearest); ) 65 DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNone); ) 66
