#include <dl_complexity_helper.h>

Inheritance diagram for flutter::ComplexityCalculatorHelper:

Public Member Functions
	ComplexityCalculatorHelper (unsigned int ceiling)

virtual	~ComplexityCalculatorHelper ()=default

void	setInvertColors (bool invert) override

void	setStrokeCap (DlStrokeCap cap) override

void	setStrokeJoin (DlStrokeJoin join) override

void	setStrokeMiter (DlScalar limit) override

void	setColor (DlColor color) override

void	setBlendMode (DlBlendMode mode) override

void	setColorSource (const DlColorSource *source) override

void	setImageFilter (const DlImageFilter *filter) override

void	setColorFilter (const DlColorFilter *filter) override

void	setMaskFilter (const DlMaskFilter *filter) override

void	save () override

void	restore () override

void	setAntiAlias (bool aa) override

void	setDrawStyle (DlDrawStyle style) override

void	setStrokeWidth (DlScalar width) override

void	drawColor (DlColor color, DlBlendMode mode) override

void	drawPaint () override

void	drawImageRect (const sk_sp< DlImage > image, const DlRect &src, const DlRect &dst, DlImageSampling sampling, bool render_with_attributes, DlSrcRectConstraint constraint=DlSrcRectConstraint::kFast) override

void	drawAtlas (const sk_sp< DlImage > atlas, const DlRSTransform xform[], const DlRect tex[], const DlColor colors[], int count, DlBlendMode mode, DlImageSampling sampling, const DlRect *cull_rect, bool render_with_attributes) override

unsigned int	ComplexityScore ()

Public Member Functions inherited from flutter::DlOpReceiver
virtual void	save (uint32_t total_content_depth)

virtual void	saveLayer (const DlRect &bounds, const SaveLayerOptions options, const DlImageFilter *backdrop=nullptr, std::optional< int64_t > backdrop_id=std::nullopt)=0

virtual void	saveLayer (const DlRect &bounds, const SaveLayerOptions &options, uint32_t total_content_depth, DlBlendMode max_content_blend_mode, const DlImageFilter *backdrop=nullptr, std::optional< int64_t > backdrop_id=std::nullopt)

virtual void	saveLayer (const DlRect bounds, const SaveLayerOptions options, const DlImageFilter backdrop=nullptr, std::optional< int64_t > backdrop_id=std::nullopt) final

virtual void	drawLine (const DlPoint &p0, const DlPoint &p1)=0

virtual void	drawDashedLine (const DlPoint &p0, const DlPoint &p1, DlScalar on_length, DlScalar off_length)=0

virtual void	drawRect (const DlRect &rect)=0

virtual void	drawOval (const DlRect &bounds)=0

virtual void	drawCircle (const DlPoint &center, DlScalar radius)=0

virtual void	drawRoundRect (const DlRoundRect &rrect)=0

virtual void	drawDiffRoundRect (const DlRoundRect &outer, const DlRoundRect &inner)=0

virtual void	drawRoundSuperellipse (const DlRoundSuperellipse &rse)=0

virtual void	drawPath (const DlPath &path)=0

virtual void	drawArc (const DlRect &oval_bounds, DlScalar start_degrees, DlScalar sweep_degrees, bool use_center)=0

virtual void	drawPoints (DlPointMode mode, uint32_t count, const DlPoint points[])=0

virtual void	drawVertices (const std::shared_ptr< DlVertices > &vertices, DlBlendMode mode)=0

virtual void	drawImage (const sk_sp< DlImage > image, const DlPoint &point, DlImageSampling sampling, bool render_with_attributes)=0

virtual void	drawImageNine (const sk_sp< DlImage > image, const DlIRect &center, const DlRect &dst, DlFilterMode filter, bool render_with_attributes)=0

virtual void	drawDisplayList (const sk_sp< DisplayList > display_list, DlScalar opacity=SK_Scalar1)=0

virtual void	drawText (const std::shared_ptr< DlText > &text, DlScalar x, DlScalar y)=0

virtual void	drawShadow (const DlPath &path, const DlColor color, const DlScalar elevation, bool transparent_occluder, DlScalar dpr)=0

Public Member Functions inherited from flutter::IgnoreTransformDispatchHelper
void	translate (DlScalar tx, DlScalar ty) override

void	scale (DlScalar sx, DlScalar sy) override

void	rotate (DlScalar degrees) override

void	skew (DlScalar sx, DlScalar sy) override

void	transform2DAffine (DlScalar mxx, DlScalar mxy, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myt) override

void	transformFullPerspective (DlScalar mxx, DlScalar mxy, DlScalar mxz, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myz, DlScalar myt, DlScalar mzx, DlScalar mzy, DlScalar mzz, DlScalar mzt, DlScalar mwx, DlScalar mwy, DlScalar mwz, DlScalar mwt) override

void	transformReset () override

Protected Member Functions
void	AccumulateComplexity (unsigned int complexity)

bool	IsAntiAliased ()

bool	IsHairline ()

DlDrawStyle	DrawStyle ()

bool	IsComplex ()

unsigned int	Ceiling ()

unsigned int	CurrentComplexityScore ()

unsigned int	CalculatePathComplexity (const DlPath &dl_path, unsigned int line_verb_cost, unsigned int quad_verb_cost, unsigned int conic_verb_cost, unsigned int cubic_verb_cost)

virtual void	ImageRect (const DlISize &size, bool texture_backed, bool render_with_attributes, bool enforce_src_edges)=0

virtual unsigned int	BatchedComplexity ()=0

Additional Inherited Members
Static Public Attributes inherited from flutter::DlOpReceiver
static constexpr int	kMaxDrawPointsCount = ((1 << 29) - 1)

Detailed Description

Definition at line 95 of file dl_complexity_helper.h.

Constructor & Destructor Documentation

◆ ComplexityCalculatorHelper()

flutter::ComplexityCalculatorHelper::ComplexityCalculatorHelper ( unsigned int ceiling )

inlineexplicit

Definition at line 100 of file dl_complexity_helper.h.

101 : ceiling_(ceiling) {}

◆ ~ComplexityCalculatorHelper()

virtual flutter::ComplexityCalculatorHelper::~ComplexityCalculatorHelper ( )

virtualdefault

Member Function Documentation

◆ AccumulateComplexity()

void flutter::ComplexityCalculatorHelper::AccumulateComplexity ( unsigned int complexity )

inlineprotected

Definition at line 202 of file dl_complexity_helper.h.

                                                     {
    // Check to see if we will overflow by accumulating this complexity score
    if (ceiling_ - complexity_score_ < complexity) {
      is_complex_ = true;
      return;
    }
 
    complexity_score_ += complexity;
  }

Referenced by drawColor(), and drawPaint().

◆ BatchedComplexity()

virtual unsigned int flutter::ComplexityCalculatorHelper::BatchedComplexity ( )

protectedpure virtual

Referenced by ComplexityScore().

◆ CalculatePathComplexity()

unsigned int flutter::ComplexityCalculatorHelper::CalculatePathComplexity	(	const DlPath &	dl_path,
		unsigned int	line_verb_cost,
		unsigned int	quad_verb_cost,
		unsigned int	conic_verb_cost,
		unsigned int	cubic_verb_cost
	)

protected

Definition at line 42 of file dl_complexity_helper.cc.

                                  {
  DlComplexityPathReceiver receiver;
  dl_path.Dispatch(receiver);
  return (line_verb_cost * receiver.line_verb_count) +
         (quad_verb_cost * receiver.quad_verb_count) +
         (conic_verb_cost * receiver.conic_verb_count) +
         (cubic_verb_cost * receiver.cubic_verb_count);
}

References flutter::DlPath::Dispatch().

◆ Ceiling()

unsigned int flutter::ComplexityCalculatorHelper::Ceiling ( )

inlineprotected

Definition at line 216 of file dl_complexity_helper.h.

216{ return ceiling_; }

Referenced by ComplexityScore().

◆ ComplexityScore()

unsigned int flutter::ComplexityCalculatorHelper::ComplexityScore ( )

inline

Definition at line 183 of file dl_complexity_helper.h.

                                 {
    // We hit our ceiling, so return that
    if (IsComplex()) {
      return Ceiling();
    }
 
    // Calculate the impact of any draw ops where the complexity is dependent
    // on the number of calls made.
    unsigned int batched_complexity = BatchedComplexity();
 
    // Check for overflow
    if (Ceiling() - complexity_score_ < batched_complexity) {
      return Ceiling();
    }
 
    return complexity_score_ + batched_complexity;
  }

References BatchedComplexity(), Ceiling(), and IsComplex().

◆ CurrentComplexityScore()

unsigned int flutter::ComplexityCalculatorHelper::CurrentComplexityScore ( )

inlineprotected

Definition at line 217 of file dl_complexity_helper.h.

217{ return complexity_score_; }

◆ drawAtlas()

void flutter::ComplexityCalculatorHelper::drawAtlas	(	const sk_sp< DlImage >	atlas,
		const DlRSTransform	xform[],
		const DlRect	tex[],
		const DlColor	colors[],
		int	count,
		DlBlendMode	mode,
		DlImageSampling	sampling,
		const DlRect *	cull_rect,
		bool	render_with_attributes
	)

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 162 of file dl_complexity_helper.h.

                                                       {
    if (IsComplex()) {
      return;
    }
    // This API just does a series of drawImage calls from the atlas
    // This is equivalent to calling drawImageRect lots of times
    for (int i = 0; i < count; i++) {
      ImageRect(DlIRect::RoundOut(tex[i]).GetSize(), true,
                render_with_attributes, true);
    }
  }

References i, ImageRect(), IsComplex(), and impeller::TRect< T >::RoundOut().

◆ drawColor()

void flutter::ComplexityCalculatorHelper::drawColor	(	DlColor	color,
		DlBlendMode	mode
	)

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 130 of file dl_complexity_helper.h.

                                                           {
    if (IsComplex()) {
      return;
    }
    // Placeholder value here. This is a relatively cheap operation.
    AccumulateComplexity(50);
  }

References AccumulateComplexity(), and IsComplex().

◆ drawImageRect()

void flutter::ComplexityCalculatorHelper::drawImageRect	(	const sk_sp< DlImage >	image,
		const DlRect &	src,
		const DlRect &	dst,
		DlImageSampling	sampling,
		bool	render_with_attributes,
		DlSrcRectConstraint	constraint = `DlSrcRectConstraint::kFast`
	)

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 147 of file dl_complexity_helper.h.

                                                                          {
    if (IsComplex()) {
      return;
    }
    ImageRect(image->GetBounds().GetSize(), image->isTextureBacked(),
              render_with_attributes,
              constraint == DlSrcRectConstraint::kStrict);
  }

References image, ImageRect(), IsComplex(), and flutter::kStrict.

◆ drawPaint()

void flutter::ComplexityCalculatorHelper::drawPaint ( )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 138 of file dl_complexity_helper.h.

                            {
    if (IsComplex()) {
      return;
    }
    // Placeholder value here. This can be cheap (e.g. effectively a drawColor),
    // or expensive (e.g. a bitmap shader with an image filter)
    AccumulateComplexity(50);
  }

References AccumulateComplexity(), and IsComplex().

◆ DrawStyle()

DlDrawStyle flutter::ComplexityCalculatorHelper::DrawStyle ( )

inlineprotected

Definition at line 214 of file dl_complexity_helper.h.

214{ return current_paint_.getDrawStyle(); }

flutter::DlPaint::getDrawStyle

DlDrawStyle getDrawStyle() const

Definition dl_paint.h:90

References flutter::DlPaint::getDrawStyle().

◆ ImageRect()

virtual void flutter::ComplexityCalculatorHelper::ImageRect	(	const DlISize &	size,
		bool	texture_backed,
		bool	render_with_attributes,
		bool	enforce_src_edges
	)

protectedpure virtual

Referenced by drawAtlas(), and drawImageRect().

◆ IsAntiAliased()

bool flutter::ComplexityCalculatorHelper::IsAntiAliased ( )

inlineprotected

Definition at line 212 of file dl_complexity_helper.h.

212{ return current_paint_.isAntiAlias(); }

flutter::DlPaint::isAntiAlias

bool isAntiAlias() const

Definition dl_paint.h:57

References flutter::DlPaint::isAntiAlias().

◆ IsComplex()

bool flutter::ComplexityCalculatorHelper::IsComplex ( )

inlineprotected

Definition at line 215 of file dl_complexity_helper.h.

215{ return is_complex_; }

Referenced by ComplexityScore(), drawAtlas(), drawColor(), drawImageRect(), and drawPaint().

◆ IsHairline()

bool flutter::ComplexityCalculatorHelper::IsHairline ( )

inlineprotected

Definition at line 213 of file dl_complexity_helper.h.

213{ return current_paint_.getStrokeWidth() == 0.0f; }

flutter::DlPaint::getStrokeWidth

float getStrokeWidth() const

Definition dl_paint.h:114

References flutter::DlPaint::getStrokeWidth().

◆ restore()

void flutter::ComplexityCalculatorHelper::restore ( )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 118 of file dl_complexity_helper.h.

118{}

◆ save()

void flutter::ComplexityCalculatorHelper::save ( )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 116 of file dl_complexity_helper.h.

116{}

◆ setAntiAlias()

void flutter::ComplexityCalculatorHelper::setAntiAlias ( bool aa )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 120 of file dl_complexity_helper.h.

120{ current_paint_.setAntiAlias(aa); }

flutter::DlPaint::setAntiAlias

DlPaint & setAntiAlias(bool isAntiAlias)

Definition dl_paint.h:58

References flutter::DlPaint::setAntiAlias().

◆ setBlendMode()

void flutter::ComplexityCalculatorHelper::setBlendMode ( DlBlendMode mode )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 110 of file dl_complexity_helper.h.

110{}

◆ setColor()

void flutter::ComplexityCalculatorHelper::setColor ( DlColor color )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 109 of file dl_complexity_helper.h.

109{}

◆ setColorFilter()

void flutter::ComplexityCalculatorHelper::setColorFilter ( const DlColorFilter * filter )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 113 of file dl_complexity_helper.h.

113{}

◆ setColorSource()

void flutter::ComplexityCalculatorHelper::setColorSource ( const DlColorSource * source )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 111 of file dl_complexity_helper.h.

111{}

◆ setDrawStyle()

void flutter::ComplexityCalculatorHelper::setDrawStyle ( DlDrawStyle style )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 122 of file dl_complexity_helper.h.

                                                {
    current_paint_.setDrawStyle(style);
  }

References flutter::DlPaint::setDrawStyle().

◆ setImageFilter()

void flutter::ComplexityCalculatorHelper::setImageFilter ( const DlImageFilter * filter )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 112 of file dl_complexity_helper.h.

112{}

◆ setInvertColors()

void flutter::ComplexityCalculatorHelper::setInvertColors ( bool invert )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 105 of file dl_complexity_helper.h.

105{}

◆ setMaskFilter()

void flutter::ComplexityCalculatorHelper::setMaskFilter ( const DlMaskFilter * filter )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 114 of file dl_complexity_helper.h.

114{}

◆ setStrokeCap()

void flutter::ComplexityCalculatorHelper::setStrokeCap ( DlStrokeCap cap )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 106 of file dl_complexity_helper.h.

106{}

◆ setStrokeJoin()

void flutter::ComplexityCalculatorHelper::setStrokeJoin ( DlStrokeJoin join )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 107 of file dl_complexity_helper.h.

107{}

◆ setStrokeMiter()

void flutter::ComplexityCalculatorHelper::setStrokeMiter ( DlScalar limit )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 108 of file dl_complexity_helper.h.

108{}

◆ setStrokeWidth()

void flutter::ComplexityCalculatorHelper::setStrokeWidth ( DlScalar width )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 126 of file dl_complexity_helper.h.

                                               {
    current_paint_.setStrokeWidth(width);
  }

References flutter::DlPaint::setStrokeWidth(), and width.

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

display_list/benchmarking/dl_complexity_helper.h
display_list/benchmarking/dl_complexity_helper.cc

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ComplexityCalculatorHelper()

◆ ~ComplexityCalculatorHelper()

Member Function Documentation

◆ AccumulateComplexity()

◆ BatchedComplexity()

◆ CalculatePathComplexity()

◆ Ceiling()

◆ ComplexityScore()

◆ CurrentComplexityScore()

◆ drawAtlas()

◆ drawColor()

◆ drawImageRect()

◆ drawPaint()

◆ DrawStyle()

◆ ImageRect()

◆ IsAntiAliased()

◆ IsComplex()

◆ IsHairline()

◆ restore()

◆ save()

◆ setAntiAlias()

◆ setBlendMode()

◆ setColor()

◆ setColorFilter()

◆ setColorSource()

◆ setDrawStyle()

◆ setImageFilter()

◆ setInvertColors()

◆ setMaskFilter()

◆ setStrokeCap()

◆ setStrokeJoin()

◆ setStrokeMiter()

◆ setStrokeWidth()