NestedAAClipBench Class Reference

Inheritance diagram for NestedAAClipBench:

Public Member Functions
	NestedAAClipBench (bool doAA)
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	recurse (SkCanvas *canvas, int depth, const SkPoint &offset)
void	onDraw (int loops, SkCanvas *canvas) override
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 SkISize	onGetSize ()

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

Detailed Description

Definition at line 86 of file AAClipBench.cpp.

Constructor & Destructor Documentation

NestedAAClipBench()

NestedAAClipBench::NestedAAClipBench ( bool  doAA )

inline

Definition at line 98 of file AAClipBench.cpp.

                                 : fDoAA(doAA) {
        fName.printf("nested_aaclip_%s", doAA ? "AA" : "BW");
 
        fDrawRect = SkRect::MakeLTRB(0, 0,
                                     SkIntToScalar(kImageSize),
                                     SkIntToScalar(kImageSize));
 
        fSizes[0].set(SkIntToScalar(kImageSize), SkIntToScalar(kImageSize));
 
        for (int i = 1; i < kNestingDepth+1; ++i) {
            fSizes[i].set(fSizes[i-1].fX/2, fSizes[i-1].fY/2);
        }
    }

Member Function Documentation

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 156 of file AAClipBench.cpp.

                                                      {
 
        for (int i = 0; i < loops; ++i) {
            SkPoint offset = SkPoint::Make(0, 0);
            this->recurse(canvas, 0, offset);
        }
    }

onGetName()

const char * NestedAAClipBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 113 of file AAClipBench.cpp.

{ return fName.c_str(); }

recurse()

void NestedAAClipBench::recurse ( SkCanvas *  canvas, int  depth, const SkPoint &  offset  )

inlineprotected

Definition at line 116 of file AAClipBench.cpp.

                                        {
 
            canvas->save();
 
            SkRect temp = SkRect::MakeLTRB(0, 0,
                                           fSizes[depth].fX, fSizes[depth].fY);
            temp.offset(offset);
 
            SkPath path;
            path.addRoundRect(temp, SkIntToScalar(3), SkIntToScalar(3));
            SkASSERT(path.isConvex());
 
            canvas->clipPath(path, SkClipOp::kIntersect, fDoAA);
 
            if (kNestingDepth == depth) {
                // we only draw the draw rect at the lowest nesting level
                SkPaint paint;
                paint.setColor(0xff000000 | fRandom.nextU());
                canvas->drawRect(fDrawRect, paint);
            } else {
                SkPoint childOffset = offset;
                this->recurse(canvas, depth+1, childOffset);
 
                childOffset += fSizes[depth+1];
                this->recurse(canvas, depth+1, childOffset);
 
                childOffset.fX = offset.fX + fSizes[depth+1].fX;
                childOffset.fY = offset.fY;
                this->recurse(canvas, depth+1, childOffset);
 
                childOffset.fX = offset.fX;
                childOffset.fY = offset.fY + fSizes[depth+1].fY;
                this->recurse(canvas, depth+1, childOffset);
            }
 
            canvas->restore();
    }

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

• third_party/skia/bench/AAClipBench.cpp