RectBench Class Reference

Inheritance diagram for RectBench:

Public Types
enum	{ W = 640 , H = 480 , N = 300 }
Public Types inherited from Benchmark
enum class	Backend {   kNonRendering , kRaster , kGanesh , kGraphite ,   kPDF , kHWUI }

Public Member Functions
	RectBench (int shift, int stroke=0, bool aa=true, bool perspective=false)
const char *	computeName (const char root[])
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

Public Attributes
int	fShift
int	fStroke
SkRect	fRects [N]
SkColor	fColors [N]
bool	fAA
bool	fPerspective

Protected Member Functions
virtual void	drawThisRect (SkCanvas *c, const SkRect &r, const SkPaint &p)
const char *	onGetName () override
void	onDelayedSetup () override
void	onDraw (int loops, SkCanvas *canvas) override
void	setupPaint (SkPaint *paint) override
Protected Member Functions inherited from Benchmark
void	setUnits (int units)
virtual const char *	onGetUniqueName ()
virtual void	onPerCanvasPreDraw (SkCanvas *)
virtual void	onPerCanvasPostDraw (SkCanvas *)
virtual void	onPreDraw (SkCanvas *)
virtual void	onPostDraw (SkCanvas *)
virtual SkISize	onGetSize ()

Detailed Description

Definition at line 20 of file RectBench.cpp.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
W
H
N

Definition at line 23 of file RectBench.cpp.

         {
        W = 640,
        H = 480,
        N = 300,
    };

Constructor & Destructor Documentation

RectBench()

RectBench::RectBench ( int  shift, int  stroke = 0, bool  aa = true, bool  perspective = false  )

inline

Definition at line 33 of file RectBench.cpp.

        : fShift(shift)
        , fStroke(stroke)
        , fAA(aa)
        , fPerspective(perspective) {}

Member Function Documentation

computeName()

const char * RectBench::computeName ( const char  root[] )

inline

Definition at line 39 of file RectBench.cpp.

                                               {
        fBaseName.printf("%s_%d", root, fShift);
        if (fStroke > 0) {
            fBaseName.appendf("_stroke_%d", fStroke);
        }
        if (fAA) {
            fBaseName.appendf("_aa");
        } else {
            fBaseName.appendf("_bw");
        }
        if (fPerspective) {
            fBaseName.appendf("_persp");
        }
        return fBaseName.c_str();
    }

drawThisRect()

virtual void RectBench::drawThisRect ( SkCanvas *  c, const SkRect &  r, const SkPaint &  p  )

inlineprotectedvirtual

Reimplemented in OvalBench, and RRectBench.

Definition at line 57 of file RectBench.cpp.

                                                                              {
        c->drawRect(r, p);
    }

onDelayedSetup()

void RectBench::onDelayedSetup ( )

inlineoverrideprotectedvirtual

Reimplemented from Benchmark.

Definition at line 63 of file RectBench.cpp.

                                   {
        SkRandom rand;
        const SkScalar offset = SK_Scalar1/3;
        for (int i = 0; i < N; i++) {
            int x = rand.nextU() % W;
            int y = rand.nextU() % H;
            int w = rand.nextU() % W;
            int h = rand.nextU() % H;
            w >>= fShift;
            h >>= fShift;
            x -= w/2;
            y -= h/2;
            fRects[i].setXYWH(SkIntToScalar(x), SkIntToScalar(y),
                              SkIntToScalar(w), SkIntToScalar(h));
            fRects[i].offset(offset, offset);
            fColors[i] = rand.nextU() | 0xFF808080;
        }
    }

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 82 of file RectBench.cpp.

                                                      {
        SkPaint paint;
        if (fStroke > 0) {
            paint.setStyle(SkPaint::kStroke_Style);
            paint.setStrokeWidth(SkIntToScalar(fStroke));
        }
        if (fPerspective) {
            // Apply some fixed perspective to change how ops may draw the rects
            SkMatrix perspective;
            perspective.setIdentity();
            perspective.setPerspX(1e-4f);
            perspective.setPerspY(1e-3f);
            perspective.setSkewX(0.1f);
            canvas->concat(perspective);
        }
        for (int i = 0; i < loops; i++) {
            paint.setColor(fColors[i % N]);
            this->setupPaint(&paint);
            this->drawThisRect(canvas, fRects[i % N], paint);
        }
    }

onGetName()

const char * RectBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Reimplemented in SrcModeRectBench, TransparentRectBench, and RRectBench.

Definition at line 61 of file RectBench.cpp.

{ return computeName("rects"); }

setupPaint()

void RectBench::setupPaint ( SkPaint *  paint )

inlineoverrideprotectedvirtual

Reimplemented from Benchmark.

Reimplemented in SrcModeRectBench, and TransparentRectBench.

Definition at line 104 of file RectBench.cpp.

                                             {
        this->INHERITED::setupPaint(paint);
        paint->setAntiAlias(fAA);
    }

Member Data Documentation

fAA

bool RectBench::fAA

Definition at line 30 of file RectBench.cpp.

fColors

SkColor RectBench::fColors[N]

Definition at line 29 of file RectBench.cpp.

fPerspective

bool RectBench::fPerspective

Definition at line 31 of file RectBench.cpp.

fRects

SkRect RectBench::fRects[N]

Definition at line 28 of file RectBench.cpp.

fShift

int RectBench::fShift

Definition at line 22 of file RectBench.cpp.

fStroke

int RectBench::fStroke

Definition at line 22 of file RectBench.cpp.

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

• third_party/skia/bench/RectBench.cpp