AtlasBench Class Reference

Inheritance diagram for AtlasBench:

Public Member Functions
	AtlasBench (unsigned flags)
	~AtlasBench () 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

Protected Member Functions
const char *	onGetName () override
void	onDelayedSetup () override
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 *	onGetName ()=0
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 ()

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

Detailed Description

Definition at line 163 of file VertBench.cpp.

Constructor & Destructor Documentation

AtlasBench()

AtlasBench::AtlasBench ( unsigned  flags )

inline

Definition at line 177 of file VertBench.cpp.

                               : fFlags(flags) {
        fName.printf("drawAtlas");
        if (flags & kColors_Flag) {
            fName.append("_colors");
        }
        if (flags & kRotate_Flag) {
            fName.append("_rotated");
        }
        if (flags & kPersp_Flag) {
            fName.append("_persp");
        }
    }

~AtlasBench()

AtlasBench::~AtlasBench ( )

inlineoverride

Definition at line 189 of file VertBench.cpp.

{}

Member Function Documentation

onDelayedSetup()

void AtlasBench::onDelayedSetup ( )

inlineoverrideprotectedvirtual

Reimplemented from Benchmark.

Definition at line 193 of file VertBench.cpp.

                                   {
        fAtlas = ToolUtils::GetResourceAsImage("images/mandrill_256.png");
        if (fAtlas) {
            fAtlas = fAtlas->makeRasterImage();
        }
 
        const SkScalar imageW = fAtlas->width();
        const SkScalar imageH = fAtlas->height();
        SkScalar scos = 1;
        SkScalar ssin = 0;
        if (fFlags & kRotate_Flag) {
            scos = 0.866025403784439f;  // sqrt(3)/2
            ssin = 0.5f;
        }
 
        SkRandom rand;
        for (int i = 0; i < N; ++i) {
            fRects[i] = SkRect::MakeXYWH(rand.nextF() * (imageW - 8),
                                         rand.nextF() * (imageH - 8), 8, 8);
            fColors[i] = rand.nextU() | 0xFF000000;
            fXforms[i] = SkRSXform::Make(scos, ssin, rand.nextF() * W, rand.nextF() * H);
        }
    }

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 216 of file VertBench.cpp.

                                                      {
        const SkRect* cullRect = nullptr;
        const SkPaint* paintPtr = nullptr;
        const SkColor* colors = nullptr;
        if (fFlags & kColors_Flag) {
            colors = fColors;
        }
        if (fFlags & kPersp_Flag) {
            tiny_persp_effect(canvas);
        }
        for (int i = 0; i < loops; i++) {
            canvas->drawAtlas(fAtlas.get(), fXforms, fRects, colors, N, SkBlendMode::kModulate,
                              SkSamplingOptions(), cullRect, paintPtr);
        }
    }

onGetName()

const char * AtlasBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 192 of file VertBench.cpp.

{ return fName.c_str(); }

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

• third_party/skia/bench/VertBench.cpp