bench/BlurRoundRectBench.cpp

   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 "SkBlurMask.h"
  10 #include "SkBlurMaskFilter.h"
  11 #include "SkCanvas.h"
  12 #include "SkColorFilter.h"
  13 #include "SkLayerDrawLooper.h"
  14 #include "SkPaint.h"
  15 #include "SkPath.h"
  16 #include "SkPoint.h"
  17 #include "SkRRect.h"
  18 #include "SkRect.h"
  19 #include "SkString.h"
  20 #include "SkXfermode.h"
  21
  22 // Large blurred RR appear frequently on web pages. This benchmark measures our
  23 // performance in this case.
  24 class BlurRoundRectBench : public Benchmark {
  25 public:
  26     BlurRoundRectBench(int width, int height, int cornerRadius)
  27         : fName("blurroundrect") {
  28         fName.appendf("_WH[%ix%i]_cr[%i]", width, height, cornerRadius);
  29         SkRect r = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
  30         fRRect.setRectXY(r, SkIntToScalar(cornerRadius), SkIntToScalar(cornerRadius));
  31     }
  32
  33     const char* onGetName() SK_OVERRIDE {
  34         return fName.c_str();
  35     }
  36
  37     SkIPoint onGetSize() SK_OVERRIDE {
  38         return SkIPoint::Make(SkScalarCeilToInt(fRRect.rect().width()),
  39                               SkScalarCeilToInt(fRRect.rect().height()));
  40     }
  41
  42     void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
  43         SkLayerDrawLooper::Builder looperBuilder;
  44         {
  45             SkLayerDrawLooper::LayerInfo info;
  46             info.fPaintBits = SkLayerDrawLooper::kMaskFilter_Bit
  47                               | SkLayerDrawLooper::kColorFilter_Bit;
  48             info.fColorMode = SkXfermode::kSrc_Mode;
  49             info.fOffset = SkPoint::Make(SkIntToScalar(-1), SkIntToScalar(0));
  50             info.fPostTranslate = false;
  51             SkPaint* paint = looperBuilder.addLayerOnTop(info);
  52             SkMaskFilter* maskFilter = SkBlurMaskFilter::Create(
  53                     kNormal_SkBlurStyle,
  54                     SkBlurMask::ConvertRadiusToSigma(SK_ScalarHalf),
  55                     SkBlurMaskFilter::kHighQuality_BlurFlag);
  56             paint->setMaskFilter(maskFilter)->unref();
  57             SkColorFilter* colorFilter = SkColorFilter::CreateModeFilter(SK_ColorLTGRAY,
  58                     SkXfermode::kSrcIn_Mode);
  59             paint->setColorFilter(colorFilter)->unref();
  60             paint->setColor(SK_ColorGRAY);
  61         }
  62         {
  63             SkLayerDrawLooper::LayerInfo info;
  64             looperBuilder.addLayerOnTop(info);
  65         }
  66         SkPaint dullPaint;
  67         dullPaint.setAntiAlias(true);
  68
  69         SkPaint loopedPaint;
  70         loopedPaint.setLooper(looperBuilder.detachLooper())->unref();
  71         loopedPaint.setAntiAlias(true);
  72         loopedPaint.setColor(SK_ColorCYAN);
  73
  74         for (int i = 0; i < loops; i++) {
  75             canvas->drawRect(fRRect.rect(), dullPaint);
  76             canvas->drawRRect(fRRect, loopedPaint);
  77         }
  78     }
  79
  80 private:
  81     SkString    fName;
  82     SkRRect     fRRect;
  83
  84     typedef     Benchmark INHERITED;
  85 };
  86
  87 // Create one with dimensions/rounded corners based on the skp
  88 DEF_BENCH(return new BlurRoundRectBench(600, 5514, 6);)
  89 // Same radii, much smaller rectangle
  90 DEF_BENCH(return new BlurRoundRectBench(100, 100, 6);)
  91 // Other radii options
  92 DEF_BENCH(return new BlurRoundRectBench(100, 100, 30);)
  93 DEF_BENCH(return new BlurRoundRectBench(100, 100, 90);)