XfermodeBench Class Reference

Inheritance diagram for XfermodeBench:

Public Member Functions
	XfermodeBench (SkBlendMode mode, Type t)
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 33 of file BlendmodeBench.cpp.

Constructor & Destructor Documentation

XfermodeBench()

XfermodeBench::XfermodeBench ( SkBlendMode  mode, Type  t  )

inline

Definition at line 35 of file BlendmodeBench.cpp.

                                            : fBlendMode(mode) {
        fType = t;
        fName.printf("blendmicro_%s_%s", gTypeNames[t], SkBlendMode_Name(mode));
    }

Member Function Documentation

onDelayedSetup()

void XfermodeBench::onDelayedSetup ( )

inlineoverrideprotectedvirtual

Reimplemented from Benchmark.

Definition at line 43 of file BlendmodeBench.cpp.

                                   {
        if (fType == kSprite) {
            fImage = ToolUtils::GetResourceAsImage("images/color_wheel.png");
        }
    }

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 49 of file BlendmodeBench.cpp.

                                                      {
        const char* text = "Hamburgefons";
        size_t len = strlen(text);
        SkISize size = canvas->getBaseLayerSize();
        SkRandom random;
        while (loops > 0) {
            SkPaint paint;
            paint.setBlendMode(fBlendMode);
            paint.setColor(random.nextU());
            switch (fType) {
                case kText: {
                    // Draw text to exercise AA code paths.
                    SkFont font = ToolUtils::DefaultFont();
                    font.setSize(random.nextRangeScalar(12, 96));
                    SkScalar x = random.nextRangeScalar(0, (SkScalar)size.fWidth),
                             y = random.nextRangeScalar(0, (SkScalar)size.fHeight);
                    auto blob = SkTextBlob::MakeFromText(text, len, font, SkTextEncoding::kUTF8);
                    int iterations = std::min(1000, loops);
                    for (int j = 0; j < iterations; ++j) {
                        canvas->drawTextBlob(blob, x, y, paint);
                    }
                    loops -= iterations;
                } break;
                case kRect: {
                    // Draw rects to exercise non-AA code paths.
                    SkScalar w = random.nextRangeScalar(50, 100);
                    SkScalar h = random.nextRangeScalar(50, 100);
                    SkRect rect = SkRect::MakeXYWH(
                        random.nextUScalar1() * (size.fWidth - w),
                        random.nextUScalar1() * (size.fHeight - h),
                        w,
                        h
                    );
                    int iterations = std::min(1000, loops);
                    for (int j = 0; j < iterations; ++j) {
                        canvas->drawRect(rect, paint);
                    }
                    loops -= iterations;
                } break;
                case kSprite:
                    paint.setAlphaf(1.0f);
                    for (int i = 0; i < 10; ++i) {
                        canvas->drawImage(fImage, 0, 0, SkSamplingOptions(), &paint);
                    }
                    loops -= 1;
                    break;
            }
        }
    }

onGetName()

const char * XfermodeBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 41 of file BlendmodeBench.cpp.

{ return fName.c_str(); }

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

• third_party/skia/bench/BlendmodeBench.cpp