Home | History | Annotate | Download | only in bench 
      1 /*
      2  * Copyright 2017 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 "sk_tool_utils.h"
     10 #include "SkCanvas.h"
     11 #include "SkColorSpace.h"
     12 #include "SkImage.h"
     13 #include "SkPictureRecorder.h"
     14 #include "SkString.h"
     15 #include "SkSurface.h"
     16 
     17 static void DrawMask(SkCanvas* canvas) {
     18     sk_tool_utils::draw_checkerboard(canvas, SK_ColorTRANSPARENT, SK_ColorGREEN, 10);
     19 }
     20 
     21 class ClipMaskBench : public Benchmark {
     22 public:
     23     using MaskMakerFunc = sk_sp<SkImage> (*)(int);
     24 
     25     ClipMaskBench(const char name[], const MaskMakerFunc maskMaker)
     26         : fName(SkStringPrintf("clipmask_%s", name))
     27         , fClip(maskMaker(kSize)) {}
     28 
     29 protected:
     30     const char* onGetName() override { return fName.c_str(); }
     31 
     32     void onDraw(int loops, SkCanvas* canvas) override {
     33         SkCanvas::SaveLayerRec rec(nullptr, nullptr, nullptr, fClip.get(), nullptr, 0);
     34 
     35         for (int i = 0; i < loops; ++i) {
     36             canvas->saveLayer(rec);
     37             canvas->drawColor(SK_ColorBLUE);
     38             canvas->restore();
     39         }
     40     }
     41 
     42 private:
     43     static constexpr int kSize = 400;
     44 
     45     SkString       fName;
     46     sk_sp<SkImage> fClip;
     47 };
     48 
     49 DEF_BENCH(return new ClipMaskBench("a8", [](int size) -> sk_sp<SkImage> {
     50     sk_sp<SkSurface> surface = SkSurface::MakeRaster(SkImageInfo::MakeA8(size, size));
     51     DrawMask(surface->getCanvas());
     52     return surface->makeImageSnapshot();
     53 });)
     54 
     55 DEF_BENCH(return new ClipMaskBench("8888", [](int size) -> sk_sp<SkImage> {
     56     sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(size, size);
     57     DrawMask(surface->getCanvas());
     58     return surface->makeImageSnapshot();
     59 });)
     60 
     61 DEF_BENCH(return new ClipMaskBench("picture", [](int size) -> sk_sp<SkImage> {
     62     SkPictureRecorder recorder;
     63     DrawMask(recorder.beginRecording(size, size));
     64     return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(), SkISize::Make(size, size),
     65                                     nullptr, nullptr, SkImage::BitDepth::kU8,
     66                                     SkColorSpace::MakeSRGB());
     67 });)
     68 
     69