TiledPlaybackBench Class Reference

Inheritance diagram for TiledPlaybackBench:

Public Member Functions
	TiledPlaybackBench (BBH bbh, Mode mode)
const char *	onGetName () override
SkISize	onGetSize () override
void	onDelayedSetup () override
void	onDraw (int loops, SkCanvas *canvas) override
Public Member Functions inherited from Benchmark
	Benchmark ()
const char *	getName ()
const char *	getUniqueName ()
SkISize	getSize ()
virtual bool	isSuitableFor (Backend backend)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual bool	shouldLoop () const
void	delayedSetup ()
void	perCanvasPreDraw (SkCanvas *)
void	perCanvasPostDraw (SkCanvas *)
void	preDraw (SkCanvas *)
void	postDraw (SkCanvas *)
void	draw (int loops, SkCanvas *)
virtual void	getGpuStats (SkCanvas *, skia_private::TArray< SkString > *keys, skia_private::TArray< double > *values)
virtual bool	getDMSAAStats (GrRecordingContext *)
int	getUnits () const
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Additional Inherited Members
Public Types inherited from Benchmark
enum class	Backend {   kNonRendering , kRaster , kGanesh , kGraphite ,   kPDF , kHWUI }
Protected Member Functions inherited from Benchmark
void	setUnits (int units)
virtual void	setupPaint (SkPaint *paint)
virtual const char *	onGetUniqueName ()
virtual void	onPerCanvasPreDraw (SkCanvas *)
virtual void	onPerCanvasPostDraw (SkCanvas *)
virtual void	onPreDraw (SkCanvas *)
virtual void	onPostDraw (SkCanvas *)

Detailed Description

Definition at line 30 of file PicturePlaybackBench.cpp.

Constructor & Destructor Documentation

TiledPlaybackBench()

TiledPlaybackBench::TiledPlaybackBench ( BBH  bbh, Mode  mode  )

inline

Definition at line 32 of file PicturePlaybackBench.cpp.

                                           : fBBH(bbh), fMode(mode), fName("tiled_playback") {
        switch (fBBH) {
            case kNone:     fName.append("_none"    ); break;
            case kRTree:    fName.append("_rtree"   ); break;
        }
        switch (fMode) {
            case kTiled:  fName.append("_tiled" ); break;
            case kRandom: fName.append("_random"); break;
        }
    }

Member Function Documentation

onDelayedSetup()

void TiledPlaybackBench::onDelayedSetup ( )

inlineoverridevirtual

Reimplemented from Benchmark.

Definition at line 46 of file PicturePlaybackBench.cpp.

                                   {
        std::unique_ptr<SkBBHFactory> factory;
        switch (fBBH) {
            case kNone:                                                   break;
            case kRTree:    factory = std::make_unique<SkRTreeFactory>(); break;
        }
 
        SkPictureRecorder recorder;
        SkCanvas* canvas = recorder.beginRecording(1024, 1024, factory.get());
            SkRandom rand;
            for (int i = 0; i < 10000; i++) {
                SkScalar x = rand.nextRangeScalar(0, 1024),
                         y = rand.nextRangeScalar(0, 1024),
                         w = rand.nextRangeScalar(0, 128),
                         h = rand.nextRangeScalar(0, 128);
                SkPaint paint;
                paint.setColor(rand.nextU());
                paint.setAlpha(0xFF);
                canvas->drawRect(SkRect::MakeXYWH(x,y,w,h), paint);
            }
        fPic = recorder.finishRecordingAsPicture();
    }

onDraw()

void TiledPlaybackBench::onDraw ( int  loops, SkCanvas *  canvas  )

inlineoverridevirtual

Implements Benchmark.

Definition at line 69 of file PicturePlaybackBench.cpp.

                                                      {
        for (int i = 0; i < loops; i++) {
            // This inner loop guarantees we make the same choices for all bench variants.
            SkRandom rand;
            for (int j = 0; j < 10; j++) {
                SkScalar x = 0, y = 0;
                switch (fMode) {
                    case kTiled:  x = SkScalar(256 * rand.nextULessThan(4));
                                  y = SkScalar(256 * rand.nextULessThan(4));
                                  break;
                    case kRandom: x = rand.nextRangeScalar(0, 768);
                                  y = rand.nextRangeScalar(0, 768);
                                  break;
                }
                SkAutoCanvasRestore ar(canvas, true/*save now*/);
                canvas->clipRect(SkRect::MakeXYWH(x,y,256,256));
                fPic->playback(canvas);
            }
        }
    }

onGetName()

const char * TiledPlaybackBench::onGetName ( )

inlineoverridevirtual

Implements Benchmark.

Definition at line 43 of file PicturePlaybackBench.cpp.

{ return fName.c_str(); }

onGetSize()

SkISize TiledPlaybackBench::onGetSize ( )

inlineoverridevirtual

Reimplemented from Benchmark.

Definition at line 44 of file PicturePlaybackBench.cpp.

{ return SkISize::Make(1024,1024); }

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The documentation for this class was generated from the following file:

• third_party/skia/bench/PicturePlaybackBench.cpp