#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 (SkScalar 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	setPathEffect (const DlPathEffect *effect) 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 (SkScalar width) override

void	drawColor (DlColor color, DlBlendMode mode) override

void	drawPaint () override

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

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

unsigned int	ComplexityScore ()

Public Member Functions inherited from flutter::DlOpReceiver
virtual bool	PrefersImpellerPaths () const

virtual void	clipPath (const CacheablePath &cache, ClipOp clip_op, bool is_aa)

virtual void	drawPath (const CacheablePath &cache)

virtual void	drawShadow (const CacheablePath &cache, const DlColor color, const SkScalar elevation, bool transparent_occluder, SkScalar dpr)

virtual void	save (uint32_t total_content_depth)

virtual void	saveLayer (const SkRect &bounds, const SaveLayerOptions options, const DlImageFilter *backdrop=nullptr)=0

virtual void	saveLayer (const SkRect &bounds, const SaveLayerOptions &options, uint32_t total_content_depth, const DlImageFilter *backdrop=nullptr)

virtual void	saveLayer (const SkRect bounds, const SaveLayerOptions options, const DlImageFilter backdrop=nullptr) final

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

virtual void	drawRect (const SkRect &rect)=0

virtual void	drawOval (const SkRect &bounds)=0

virtual void	drawCircle (const SkPoint &center, SkScalar radius)=0

virtual void	drawRRect (const SkRRect &rrect)=0

virtual void	drawDRRect (const SkRRect &outer, const SkRRect &inner)=0

virtual void	drawPath (const SkPath &path)=0

virtual void	drawArc (const SkRect &oval_bounds, SkScalar start_degrees, SkScalar sweep_degrees, bool use_center)=0

virtual void	drawPoints (PointMode mode, uint32_t count, const SkPoint points[])=0

virtual void	drawVertices (const DlVertices *vertices, DlBlendMode mode)=0

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

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

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

virtual void	drawTextBlob (const sk_sp< SkTextBlob > blob, SkScalar x, SkScalar y)=0

virtual void	drawTextFrame (const std::shared_ptr< impeller::TextFrame > &text_frame, SkScalar x, SkScalar y)=0

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

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

void	scale (SkScalar sx, SkScalar sy) override

void	rotate (SkScalar degrees) override

void	skew (SkScalar sx, SkScalar sy) override

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

void	transformFullPerspective (SkScalar mxx, SkScalar mxy, SkScalar mxz, SkScalar mxt, SkScalar myx, SkScalar myy, SkScalar myz, SkScalar myt, SkScalar mzx, SkScalar mzy, SkScalar mzz, SkScalar mzt, SkScalar mwx, SkScalar mwy, SkScalar mwz, SkScalar 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 SkPath &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 SkISize &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)

Protected Types inherited from flutter::DlOpReceiver
using	ClipOp = DlCanvas::ClipOp

using	PointMode = DlCanvas::PointMode

using	SrcRectConstraint = DlCanvas::SrcRectConstraint

Detailed Description

Definition at line 94 of file dl_complexity_helper.h.

Constructor & Destructor Documentation

◆ ComplexityCalculatorHelper()

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

inlineexplicit

Definition at line 99 of file dl_complexity_helper.h.

100 : ceiling_(ceiling) {}

◆ ~ComplexityCalculatorHelper()

virtual flutter::ComplexityCalculatorHelper::~ComplexityCalculatorHelper ( )

virtualdefault

Member Function Documentation

◆ AccumulateComplexity()

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

inlineprotected

Definition at line 201 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;
  }

◆ BatchedComplexity()

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

protectedpure virtual

◆ CalculatePathComplexity()

unsigned int flutter::ComplexityCalculatorHelper::CalculatePathComplexity	(	const SkPath &	path,
		unsigned int	line_verb_cost,
		unsigned int	quad_verb_cost,
		unsigned int	conic_verb_cost,
		unsigned int	cubic_verb_cost
	)

inlineprotected

Definition at line 218 of file dl_complexity_helper.h.

                                                                     {
    int verb_count = path.countVerbs();
    std::vector<uint8_t> verbs(verb_count);
    path.getVerbs(verbs.data(), verbs.size());
 
    unsigned int complexity = 0;
    for (int i = 0; i < verb_count; i++) {
      switch (verbs[i]) {
        case SkPath::Verb::kLine_Verb:
          complexity += line_verb_cost;
          break;
        case SkPath::Verb::kQuad_Verb:
          complexity += quad_verb_cost;
          break;
        case SkPath::Verb::kConic_Verb:
          complexity += conic_verb_cost;
          break;
        case SkPath::Verb::kCubic_Verb:
          complexity += cubic_verb_cost;
          break;
      }
    }
    return complexity;
  }

◆ Ceiling()

unsigned int flutter::ComplexityCalculatorHelper::Ceiling ( )

inlineprotected

Definition at line 215 of file dl_complexity_helper.h.

215{ return ceiling_; }

◆ ComplexityScore()

unsigned int flutter::ComplexityCalculatorHelper::ComplexityScore ( )

inline

Definition at line 182 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;
  }

◆ CurrentComplexityScore()

unsigned int flutter::ComplexityCalculatorHelper::CurrentComplexityScore ( )

inlineprotected

Definition at line 216 of file dl_complexity_helper.h.

216{ return complexity_score_; }

◆ drawAtlas()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 161 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(SkISize::Make(tex[i].width(), tex[i].height()), true,
                render_with_attributes, true);
    }
  }

◆ 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);
  }

◆ drawImageRect()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 147 of file dl_complexity_helper.h.

                                                                      {
    if (IsComplex()) {
      return;
    }
    ImageRect(image->dimensions(), image->isTextureBacked(),
              render_with_attributes, constraint == SrcRectConstraint::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);
  }

◆ DrawStyle()

DlDrawStyle flutter::ComplexityCalculatorHelper::DrawStyle ( )

inlineprotected

Definition at line 213 of file dl_complexity_helper.h.

213{ return current_paint_.getDrawStyle(); }

flutter::DlPaint::getDrawStyle

DlDrawStyle getDrawStyle() const

Definition dl_paint.h:92

◆ ImageRect()

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

protectedpure virtual

◆ IsAntiAliased()

bool flutter::ComplexityCalculatorHelper::IsAntiAliased ( )

inlineprotected

Definition at line 211 of file dl_complexity_helper.h.

211{ return current_paint_.isAntiAlias(); }

flutter::DlPaint::isAntiAlias

bool isAntiAlias() const

Definition dl_paint.h:58

◆ IsComplex()

bool flutter::ComplexityCalculatorHelper::IsComplex ( )

inlineprotected

Definition at line 214 of file dl_complexity_helper.h.

214{ return is_complex_; }

◆ IsHairline()

bool flutter::ComplexityCalculatorHelper::IsHairline ( )

inlineprotected

Definition at line 212 of file dl_complexity_helper.h.

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

flutter::DlPaint::getStrokeWidth

float getStrokeWidth() const

Definition dl_paint.h:116

◆ 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:59

◆ setBlendMode()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 109 of file dl_complexity_helper.h.

109{}

◆ setColor()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 108 of file dl_complexity_helper.h.

108{}

◆ setColorFilter()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 112 of file dl_complexity_helper.h.

112{}

◆ setColorSource()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 110 of file dl_complexity_helper.h.

110{}

◆ 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);
  }

◆ setImageFilter()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 111 of file dl_complexity_helper.h.

111{}

◆ setInvertColors()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 104 of file dl_complexity_helper.h.

104{}

◆ setMaskFilter()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 114 of file dl_complexity_helper.h.

114{}

◆ setPathEffect()

void flutter::ComplexityCalculatorHelper::setPathEffect ( const DlPathEffect * effect )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 113 of file dl_complexity_helper.h.

113{}

◆ setStrokeCap()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 105 of file dl_complexity_helper.h.

105{}

◆ setStrokeJoin()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 106 of file dl_complexity_helper.h.

106{}

◆ setStrokeMiter()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 107 of file dl_complexity_helper.h.

107{}

◆ setStrokeWidth()

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

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 126 of file dl_complexity_helper.h.

                                               {
    current_paint_.setStrokeWidth(width);
  }

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

display_list/benchmarking/dl_complexity_helper.h

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()

◆ setPathEffect()

◆ setStrokeCap()

◆ setStrokeJoin()

◆ setStrokeMiter()

◆ setStrokeWidth()