#include <dl_dispatcher.h>

Inheritance diagram for impeller::CanvasDlDispatcher:

Public Member Functions
	CanvasDlDispatcher (ContentContext &renderer, RenderTarget &render_target, bool is_onscreen, bool has_root_backdrop_filter, flutter::DlBlendMode max_root_blend_mode, IRect32 cull_rect)

	~CanvasDlDispatcher ()=default

void	SetBackdropData (std::unordered_map< int64_t, BackdropData > backdrop, size_t backdrop_count)

void	save () override

void	saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions options, const flutter::DlImageFilter *backdrop, std::optional< int64_t > backdrop_id) override

void	FinishRecording ()

void	drawVertices (const std::shared_ptr< flutter::DlVertices > &vertices, flutter::DlBlendMode dl_mode) override

void	save (uint32_t total_content_depth) override

void	saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions &options, uint32_t total_content_depth, flutter::DlBlendMode max_content_mode, const flutter::DlImageFilter *backdrop, std::optional< int64_t > backdrop_id) override

Public Member Functions inherited from impeller::DlDispatcherBase
	DlDispatcherBase ()

virtual	~DlDispatcherBase ()=default

void	setAntiAlias (bool aa) override

void	setDrawStyle (flutter::DlDrawStyle style) override

void	setColor (flutter::DlColor color) override

void	setStrokeWidth (DlScalar width) override

void	setStrokeMiter (DlScalar limit) override

void	setStrokeCap (flutter::DlStrokeCap cap) override

void	setStrokeJoin (flutter::DlStrokeJoin join) override

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

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

void	setInvertColors (bool invert) override

void	setBlendMode (flutter::DlBlendMode mode) override

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

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

void	save (uint32_t total_content_depth) override

void	saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions &options, uint32_t total_content_depth, flutter::DlBlendMode max_content_mode, const flutter::DlImageFilter *backdrop, std::optional< int64_t > backdrop_id) override

void	restore () override

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

void	clipRect (const DlRect &rect, flutter::DlClipOp clip_op, bool is_aa) override

void	clipOval (const DlRect &bounds, flutter::DlClipOp clip_op, bool is_aa) override

void	clipRoundRect (const DlRoundRect &rrect, flutter::DlClipOp clip_op, bool is_aa) override

void	clipRoundSuperellipse (const DlRoundSuperellipse &rse, flutter::DlClipOp clip_op, bool is_aa) override

void	clipPath (const DlPath &path, flutter::DlClipOp clip_op, bool is_aa) override

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

void	drawPaint () override

void	drawLine (const DlPoint &p0, const DlPoint &p1) override

void	drawDashedLine (const DlPoint &p0, const DlPoint &p1, DlScalar on_length, DlScalar off_length) override

void	drawRect (const DlRect &rect) override

void	drawOval (const DlRect &bounds) override

void	drawCircle (const DlPoint &center, DlScalar radius) override

void	drawRoundRect (const DlRoundRect &rrect) override

void	drawDiffRoundRect (const DlRoundRect &outer, const DlRoundRect &inner) override

void	drawRoundSuperellipse (const DlRoundSuperellipse &rse) override

void	drawPath (const DlPath &path) override

void	drawArc (const DlRect &oval_bounds, DlScalar start_degrees, DlScalar sweep_degrees, bool use_center) override

void	drawPoints (flutter::DlPointMode mode, uint32_t count, const DlPoint points[]) override

void	drawVertices (const std::shared_ptr< flutter::DlVertices > &vertices, flutter::DlBlendMode dl_mode) override

void	drawImage (const sk_sp< flutter::DlImage > image, const DlPoint &point, flutter::DlImageSampling sampling, bool render_with_attributes) override

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

void	drawImageNine (const sk_sp< flutter::DlImage > image, const DlIRect &center, const DlRect &dst, flutter::DlFilterMode filter, bool render_with_attributes) override

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

void	drawDisplayList (const sk_sp< flutter::DisplayList > display_list, DlScalar opacity) override

void	drawText (const std::shared_ptr< flutter::DlText > &text, DlScalar x, DlScalar y) override

void	drawShadow (const DlPath &path, const flutter::DlColor color, const DlScalar elevation, bool transparent_occluder, DlScalar dpr) override

std::shared_ptr< Texture >	GetTexture (const sk_sp< flutter::DlImage > &image)

Public Member Functions inherited from flutter::DlOpReceiver
virtual void	saveLayer (const DlRect bounds, const SaveLayerOptions options, const DlImageFilter backdrop=nullptr, std::optional< int64_t > backdrop_id=std::nullopt) final

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

Static Protected Member Functions inherited from impeller::DlDispatcherBase
static void	SimplifyOrDrawPath (Canvas &canvas, const DlPath &cache, const Paint &paint)

Protected Attributes inherited from impeller::DlDispatcherBase
Paint	paint_

Matrix	initial_matrix_

Detailed Description

Specific non-virtual dispatcher utility class that uses DlDispatcherBase to implement most operations but provides additional implementation of operations that are specific to the rendering pass of the Impeller 2-pass rendering procedure.

Definition at line 309 of file dl_dispatcher.h.

Constructor & Destructor Documentation

◆ CanvasDlDispatcher()

impeller::CanvasDlDispatcher::CanvasDlDispatcher	(	ContentContext &	renderer,
		RenderTarget &	render_target,
		bool	is_onscreen,
		bool	has_root_backdrop_filter,
		flutter::DlBlendMode	max_root_blend_mode,
		IRect32	cull_rect
	)

Definition at line 939 of file dl_dispatcher.cc.

    : DlDispatcherBase(),
      canvas_(renderer,
              render_target,
              is_onscreen,
              has_root_backdrop_filter ||
                  RequiresReadbackForBlends(renderer, max_root_blend_mode),
              cull_rect),
      renderer_(renderer) {}

◆ ~CanvasDlDispatcher()

impeller::CanvasDlDispatcher::~CanvasDlDispatcher ( )

default

Member Function Documentation

◆ drawVertices()

void impeller::CanvasDlDispatcher::drawVertices	(	const std::shared_ptr< flutter::DlVertices > &	vertices,
		flutter::DlBlendMode	dl_mode
	)

overridevirtual

Implements flutter::DlOpReceiver.

Definition at line 962 of file dl_dispatcher.cc.

                                {
  AUTO_DEPTH_WATCHER(1u);
 
  GetCanvas().DrawVertices(
      std::make_shared<DlVerticesGeometry>(vertices, renderer_), dl_mode,
      paint_);
}

References AUTO_DEPTH_WATCHER, impeller::Canvas::DrawVertices(), and impeller::DlDispatcherBase::paint_.

◆ FinishRecording()

void impeller::CanvasDlDispatcher::FinishRecording ( )

inline

Definition at line 342 of file dl_dispatcher.h.

342{ canvas_.EndReplay(); }

impeller::Canvas::EndReplay

void EndReplay()

Definition canvas.cc:2428

References impeller::Canvas::EndReplay().

Referenced by impeller::DisplayListToTexture(), and impeller::RenderToTarget().

◆ save() [1/2]

void impeller::CanvasDlDispatcher::save ( )

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 324 of file dl_dispatcher.h.

                       {
    // This dispatcher should never be used with the save() variant
    // that does not include the content_depth parameter.
    FML_UNREACHABLE();
  }

References FML_UNREACHABLE.

◆ save() [2/2]

void impeller::DlDispatcherBase::save ( uint32_t total_content_depth )

overridevirtual

Reimplemented from flutter::DlOpReceiver.

Definition at line 111 of file dl_dispatcher.cc.

                                                        {
  AUTO_DEPTH_WATCHER(1u);
 
  GetCanvas().Save(total_content_depth);
}

◆ saveLayer() [1/2]

void impeller::DlDispatcherBase::saveLayer	(	const DlRect &	bounds,
		const flutter::SaveLayerOptions &	options,
		uint32_t	total_content_depth,
		flutter::DlBlendMode	max_content_mode,
		const flutter::DlImageFilter *	backdrop,
		std::optional< int64_t >	backdrop_id
	)

overridevirtual

Reimplemented from flutter::DlOpReceiver.

Definition at line 114 of file dl_dispatcher.cc.

                                                                   {
  AUTO_DEPTH_WATCHER(1u);
 
  auto paint = options.renders_with_attributes() ? paint_ : Paint{};
  auto promise = options.content_is_clipped()
                     ? ContentBoundsPromise::kMayClipContents
                     : ContentBoundsPromise::kContainsContents;
  std::optional<Rect> impeller_bounds;
  // If the content is unbounded but has developer specified bounds, we take
  // the original bounds so that we clip the content as expected.
  if (!options.content_is_unbounded() || options.bounds_from_caller()) {
    impeller_bounds = bounds;
  }
 
  GetCanvas().SaveLayer(
      paint, impeller_bounds, backdrop, promise, total_content_depth,
      // Unbounded content can still have user specified bounds that require a
      // saveLayer to be created to perform the clip.
      options.can_distribute_opacity() && !options.content_is_unbounded(),
      backdrop_id  //
  );
}

◆ saveLayer() [2/2]

void impeller::CanvasDlDispatcher::saveLayer	(	const DlRect &	bounds,
		const flutter::SaveLayerOptions	options,
		const flutter::DlImageFilter *	backdrop,
		std::optional< int64_t >	backdrop_id
	)

inlineoverridevirtual

Implements flutter::DlOpReceiver.

Definition at line 332 of file dl_dispatcher.h.

                                                            {
    // This dispatcher should never be used with the saveLayer() variant
    // that does not include the content_depth parameter.
    FML_UNREACHABLE();
  }

References FML_UNREACHABLE.

◆ SetBackdropData()

void impeller::CanvasDlDispatcher::SetBackdropData	(	std::unordered_map< int64_t, BackdropData >	backdrop,
		size_t	backdrop_count
	)

Definition at line 972 of file dl_dispatcher.cc.

                           {
  GetCanvas().SetBackdropData(std::move(backdrop), backdrop_count);
}

References impeller::Canvas::SetBackdropData().

Referenced by impeller::DisplayListToTexture(), and impeller::RenderToTarget().

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

impeller/display_list/dl_dispatcher.h
impeller/display_list/dl_dispatcher.cc

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CanvasDlDispatcher()

◆ ~CanvasDlDispatcher()

Member Function Documentation

◆ drawVertices()

◆ FinishRecording()

◆ save() [1/2]

◆ save() [2/2]

◆ saveLayer() [1/2]

◆ saveLayer() [2/2]

◆ SetBackdropData()