RotRectBench Class Reference

Inheritance diagram for RotRectBench:

Public Member Functions
	RotRectBench (bool aa, ColorType ct, SkBlendMode mode, bool perspective=false)
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 72 of file RotatedRectBench.cpp.

Constructor & Destructor Documentation

RotRectBench()

RotRectBench::RotRectBench ( bool  aa, ColorType  ct, SkBlendMode  mode, bool  perspective = false  )

inline

Definition at line 74 of file RotatedRectBench.cpp.

        : fAA(aa)
        , fPerspective(perspective)
        , fColorType(ct)
        , fMode(mode) {
        this->makeName();
    }

Member Function Documentation

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 85 of file RotatedRectBench.cpp.

                                                      {
        SkPaint paint;
        paint.setAntiAlias(fAA);
        paint.setBlendMode(fMode);
        SkColor color = start_color(fColorType);
 
        int w = this->getSize().width();
        int h = this->getSize().height();
 
        static const SkScalar kRectW = 25.1f;
        static const SkScalar kRectH = 25.9f;
 
        if (fColorType == kShaderOpaque_ColorType) {
            // The only requirement for the shader is that it requires local coordinates
            SkPoint pts[2] = { {0.0f, 0.0f}, {kRectW, kRectH} };
            SkColor colors[] = { color, SK_ColorBLUE };
            paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, 2,
                                                         SkTileMode::kClamp));
        }
 
        SkMatrix rotate;
        // This value was chosen so that we frequently hit the axis-aligned case.
        rotate.setRotate(30.f, kRectW / 2, kRectH / 2);
        SkMatrix m = rotate;
 
        SkScalar tx = 0, ty = 0;
 
        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) {
            canvas->save();
            canvas->translate(tx, ty);
            canvas->concat(m);
            paint.setColor(color);
            color = advance_color(color, fColorType, i);
 
            canvas->drawRect(SkRect::MakeWH(kRectW, kRectH), paint);
            canvas->restore();
 
            tx += kRectW + 2;
            if (tx > w) {
                tx = 0;
                ty += kRectH + 2;
                if (ty > h) {
                    ty = 0;
                }
            }
 
            m.postConcat(rotate);
        }
    }

onGetName()

const char * RotRectBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 83 of file RotatedRectBench.cpp.

{ return fName.c_str(); }

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

• third_party/skia/bench/RotatedRectBench.cpp