PictureNesting Class Reference

Inheritance diagram for PictureNesting:

Public Member Functions
	PictureNesting (const char *name, int maxLevel, int maxPictureLevel)
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

Protected Member Functions
const char *	onGetName () override
void	doDraw (SkCanvas *canvas)
int	sierpinsky (SkCanvas *canvas, int lvl, const SkPaint &paint)
Protected Member Functions inherited from Benchmark
void	setUnits (int units)
virtual void	setupPaint (SkPaint *paint)
virtual const char *	onGetUniqueName ()
virtual void	onDelayedSetup ()
virtual void	onPerCanvasPreDraw (SkCanvas *)
virtual void	onPerCanvasPostDraw (SkCanvas *)
virtual void	onPreDraw (SkCanvas *)
virtual void	onPostDraw (SkCanvas *)
virtual void	onDraw (int loops, SkCanvas *)=0
virtual SkISize	onGetSize ()

Protected Attributes
int	fMaxLevel
int	fMaxPictureLevel

Additional Inherited Members
Public Types inherited from Benchmark
enum class	Backend {   kNonRendering , kRaster , kGanesh , kGraphite ,   kPDF , kHWUI }

Detailed Description

Definition at line 17 of file PictureNestingBench.cpp.

Constructor & Destructor Documentation

PictureNesting()

PictureNesting::PictureNesting ( const char *  name, int  maxLevel, int  maxPictureLevel  )

inline

Definition at line 19 of file PictureNestingBench.cpp.

        : fMaxLevel(maxLevel)
        , fMaxPictureLevel(maxPictureLevel) {
        fName.printf("picture_nesting_%s_%d", name, this->countPics());
        fPaint.setColor(SK_ColorRED);
        fPaint.setAntiAlias(true);
        fPaint.setStyle(SkPaint::kStroke_Style);
    }

Member Function Documentation

doDraw()

void PictureNesting::doDraw ( SkCanvas *  canvas )

inlineprotected

Definition at line 33 of file PictureNestingBench.cpp.

                                  {
        SkISize canvasSize = onGetSize();
        canvas->save();
        canvas->scale(SkIntToScalar(canvasSize.width()), SkIntToScalar(canvasSize.height()));
 
        SkDEBUGCODE(int pics = ) this->sierpinsky(canvas, 0, fPaint);
        SkASSERT(pics == this->countPics());
 
        canvas->restore();
    }

onGetName()

const char * PictureNesting::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 29 of file PictureNestingBench.cpp.

                                     {
        return fName.c_str();
    }

sierpinsky()

int PictureNesting::sierpinsky ( SkCanvas *  canvas, int  lvl, const SkPaint &  paint  )

inlineprotected

Definition at line 44 of file PictureNestingBench.cpp.

                                                                    {
        if (++lvl > fMaxLevel) {
            return 0;
        }
 
        int pics = 0;
        bool recordPicture = lvl <= fMaxPictureLevel;
        SkPictureRecorder recorder;
        SkCanvas* c = canvas;
 
        if (recordPicture) {
            c = recorder.beginRecording(1, 1);
            pics++;
        }
 
        c->drawLine(0.5, 0, 0, 1, paint);
        c->drawLine(0.5, 0, 1, 1, paint);
        c->drawLine(0,   1, 1, 1, paint);
 
        c->save();
            c->scale(0.5, 0.5);
 
            c->translate(0, 1);
            pics += this->sierpinsky(c, lvl, paint);
 
            c->translate(1, 0);
            pics += this->sierpinsky(c, lvl, paint);
 
            c->translate(-0.5, -1);
            pics += this->sierpinsky(c, lvl, paint);
        c->restore();
 
        if (recordPicture) {
            canvas->drawPicture(recorder.finishRecordingAsPicture());
        }
 
        return pics;
    }

Member Data Documentation

fMaxLevel

int PictureNesting::fMaxLevel

protected

Definition at line 83 of file PictureNestingBench.cpp.

fMaxPictureLevel

int PictureNesting::fMaxPictureLevel

protected

Definition at line 84 of file PictureNestingBench.cpp.

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

• third_party/skia/bench/PictureNestingBench.cpp