Inheritance diagram for ImageFilterDAGBench:

Public Member Functions
	ImageFilterDAGBench ()

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	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 27 of file ImageFilterDAGBench.cpp.

Constructor & Destructor Documentation

◆ ImageFilterDAGBench()

ImageFilterDAGBench::ImageFilterDAGBench ( )

inline

Definition at line 29 of file ImageFilterDAGBench.cpp.

29{}

Member Function Documentation

◆ onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 36 of file ImageFilterDAGBench.cpp.

                                                      {
        const SkRect rect = SkRect::Make(SkIRect::MakeWH(400, 400));
 
        // Set up the filters once, we're not interested in measuring allocation time here
        sk_sp<SkImageFilter> blur(SkImageFilters::Blur(20.0f, 20.0f, nullptr));
        sk_sp<SkImageFilter> inputs[kNumInputs];
        for (int i = 0; i < kNumInputs; ++i) {
            inputs[i] = blur;
        }
        SkPaint paint;
        paint.setImageFilter(SkImageFilters::Merge(inputs, kNumInputs));
 
        // Only measure the filter computations done in drawRect()
        // TODO (michaelludwig) - This benchmark, and the ones defined below, allocate their filters
        // outside of the loop. This means that repeatedly drawing with the same filter will hit
        // the global image filter cache inside the loop. Raster backend uses this cache so will see
        // artificially improved performance. Ganesh will not because it uses a cache per filter
        // call, so only within-DAG cache hits are measured (as desired). skbug:9297 wants to move
        // raster backend to the same pattern, which will make the benchmark executions fair again.
        for (int j = 0; j < loops; j++) {
            canvas->drawRect(rect, paint);
        }
    }

◆ onGetName()

const char * ImageFilterDAGBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 32 of file ImageFilterDAGBench.cpp.

                                     {
        return "image_filter_dag";
    }

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

third_party/skia/bench/ImageFilterDAGBench.cpp

Public Member Functions