flutter::DisplayList Class Reference

#include <display_list.h>

Inheritance diagram for flutter::DisplayList:

Public Member Functions
	DisplayList ()
	~DisplayList ()
void	Dispatch (DlOpReceiver &ctx) const
void	Dispatch (DlOpReceiver &ctx, const SkRect &cull_rect) const
void	Dispatch (DlOpReceiver &ctx, const SkIRect &cull_rect) const
size_t	bytes (bool nested=true) const
uint32_t	op_count (bool nested=false) const
uint32_t	total_depth () const
uint32_t	unique_id () const
const SkRect &	bounds () const
bool	has_rtree () const
sk_sp< const DlRTree >	rtree () const
bool	Equals (const DisplayList *other) const
bool	Equals (const DisplayList &other) const
bool	Equals (const sk_sp< const DisplayList > &other) const
bool	can_apply_group_opacity () const
bool	isUIThreadSafe () const
bool	modifies_transparent_black () const
	Indicates if there are any rendering operations in this DisplayList that will modify a surface of transparent black pixels.
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Friends
class	DisplayListBuilder

Detailed Description

Definition at line 259 of file display_list.h.

Constructor & Destructor Documentation

DisplayList()

flutter::DisplayList::DisplayList

(

)

Definition at line 17 of file display_list.cc.

    : byte_count_(0),
      op_count_(0),
      nested_byte_count_(0),
      nested_op_count_(0),
      total_depth_(0),
      unique_id_(0),
      bounds_({0, 0, 0, 0}),
      can_apply_group_opacity_(true),
      is_ui_thread_safe_(true),
      modifies_transparent_black_(false) {}

~DisplayList()

flutter::DisplayList::~DisplayList

(

)

Definition at line 53 of file display_list.cc.

                          {
  uint8_t* ptr = storage_.get();
  DisposeOps(ptr, ptr + byte_count_);
}

Member Function Documentation

bounds()

const SkRect & flutter::DisplayList::bounds ( ) const

inline

Definition at line 285 of file display_list.h.

{ return bounds_; }

bytes()

size_t flutter::DisplayList::bytes ( bool  nested = true ) const

inline

Definition at line 272 of file display_list.h.

                                         {
    return sizeof(DisplayList) + byte_count_ +
           (nested ? nested_byte_count_ : 0);
  }

can_apply_group_opacity()

bool flutter::DisplayList::can_apply_group_opacity ( ) const

inline

Definition at line 296 of file display_list.h.

{ return can_apply_group_opacity_; }

Dispatch() [1/3]

void flutter::DisplayList::Dispatch

(

DlOpReceiver &

ctx

)

const

Definition at line 144 of file display_list.cc.

                                                       {
  uint8_t* ptr = storage_.get();
  Dispatch(receiver, ptr, ptr + byte_count_, NopCuller::instance);
}

Dispatch() [2/3]

void flutter::DisplayList::Dispatch	(	DlOpReceiver &	ctx,
		const SkIRect &	cull_rect
	)		const

Definition at line 149 of file display_list.cc.

                                                           {
  Dispatch(receiver, SkRect::Make(cull_rect));
}

Dispatch() [3/3]

void flutter::DisplayList::Dispatch	(	DlOpReceiver &	ctx,
		const SkRect &	cull_rect
	)		const

Definition at line 154 of file display_list.cc.

                                                          {
  if (cull_rect.isEmpty()) {
    return;
  }
  if (!has_rtree() || cull_rect.contains(bounds())) {
    Dispatch(receiver);
    return;
  }
  const DlRTree* rtree = this->rtree().get();
  FML_DCHECK(rtree != nullptr);
  uint8_t* ptr = storage_.get();
  std::vector<int> rect_indices;
  rtree->search(cull_rect, &rect_indices);
  VectorCuller culler(rtree, rect_indices);
  Dispatch(receiver, ptr, ptr + byte_count_, culler);
}

Equals() [1/3]

bool flutter::DisplayList::Equals ( const DisplayList &  other ) const

inline

Definition at line 291 of file display_list.h.

{ return Equals(&other); }

Equals() [2/3]

bool flutter::DisplayList::Equals

(

const DisplayList *

other

)

const

Definition at line 306 of file display_list.cc.

                                                       {
  if (this == other) {
    return true;
  }
  if (byte_count_ != other->byte_count_ || op_count_ != other->op_count_) {
    return false;
  }
  uint8_t* ptr = storage_.get();
  uint8_t* o_ptr = other->storage_.get();
  if (ptr == o_ptr) {
    return true;
  }
  return CompareOps(ptr, ptr + byte_count_, o_ptr, o_ptr + other->byte_count_);
}

Equals() [3/3]

bool flutter::DisplayList::Equals ( const sk_sp< const DisplayList > &  other ) const

inline

Definition at line 292 of file display_list.h.

                                                           {
    return Equals(other.get());
  }

has_rtree()

bool flutter::DisplayList::has_rtree ( ) const

inline

Definition at line 287 of file display_list.h.

{ return rtree_ != nullptr; }

isUIThreadSafe()

bool flutter::DisplayList::isUIThreadSafe ( ) const

inline

Definition at line 297 of file display_list.h.

{ return is_ui_thread_safe_; }

modifies_transparent_black()

bool flutter::DisplayList::modifies_transparent_black ( ) const

inline

Indicates if there are any rendering operations in this DisplayList that will modify a surface of transparent black pixels.

This condition can be used to determine whether to create a cleared surface, render a DisplayList into it, and then composite the result into a scene. It is not uncommon for code in the engine to come across such degenerate DisplayList objects when slicing up a frame between platform views.

Definition at line 308 of file display_list.h.

                                          {
    return modifies_transparent_black_;
  }

op_count()

uint32_t flutter::DisplayList::op_count ( bool  nested = false ) const

inline

Definition at line 277 of file display_list.h.

                                               {
    return op_count_ + (nested ? nested_op_count_ : 0);
  }

rtree()

sk_sp< const DlRTree > flutter::DisplayList::rtree ( ) const

inline

Definition at line 288 of file display_list.h.

{ return rtree_; }

total_depth()

uint32_t flutter::DisplayList::total_depth ( ) const

inline

Definition at line 281 of file display_list.h.

{ return total_depth_; }

unique_id()

uint32_t flutter::DisplayList::unique_id ( ) const

inline

Definition at line 283 of file display_list.h.

{ return unique_id_; }

Friends And Related Symbol Documentation

DisplayListBuilder

friend class DisplayListBuilder

friend

Definition at line 352 of file display_list.h.

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

• display_list/display_list.h
• display_list/display_list.cc