impeller::FilterContentsFilterInput Class Reference

#include <filter_contents_filter_input.h>

Inheritance diagram for impeller::FilterContentsFilterInput:

Public Member Functions
	~FilterContentsFilterInput () override
Variant	GetInput () const override
std::optional< Snapshot >	GetSnapshot (const std::string &label, const ContentContext &renderer, const Entity &entity, std::optional< Rect > coverage_limit, int32_t mip_count) const override
std::optional< Rect >	GetCoverage (const Entity &entity) const override
std::optional< Rect >	GetSourceCoverage (const Matrix &effect_transform, const Rect &output_limit) const override
Matrix	GetLocalTransform (const Entity &entity) const override
	Get the local transform of this filter input. This transform is relative to the Entity transform space.
Matrix	GetTransform (const Entity &entity) const override
	Get the transform of this FilterInput. This is equivalent to calling entity.GetTransform() * GetLocalTransform().
void	PopulateGlyphAtlas (const std::shared_ptr< LazyGlyphAtlas > &lazy_glyph_atlas, Scalar scale) override
bool	IsTranslationOnly () const override
bool	IsLeaf () const override
	Returns true unless this input is a FilterInput, which may take other inputs.
void	SetLeafInputs (const FilterInput::Vector &inputs) override
	Replaces the inputs of all leaf FilterContents with a new set of inputs.
virtual void	SetEffectTransform (const Matrix &matrix) override
	Sets the effect transform of filter inputs.
virtual void	SetRenderingMode (Entity::RenderingMode rendering_mode) override
	Turns on subpass mode for filter inputs.
Public Member Functions inherited from impeller::FilterInput
virtual	~FilterInput ()
std::optional< Rect >	GetLocalCoverage (const Entity &entity) const

Additional Inherited Members
Public Types inherited from impeller::FilterInput
using	Ref = std::shared_ptr< FilterInput >
using	Vector = std::vector< FilterInput::Ref >
using	Variant = std::variant< std::shared_ptr< FilterContents >, std::shared_ptr< Contents >, std::shared_ptr< Texture >, Rect >
Static Public Member Functions inherited from impeller::FilterInput
static FilterInput::Ref	Make (Variant input, bool msaa_enabled=true)
static FilterInput::Ref	Make (std::shared_ptr< Texture > input, Matrix local_transform)
static FilterInput::Vector	Make (std::initializer_list< Variant > inputs)

Detailed Description

Definition at line 12 of file filter_contents_filter_input.h.

Constructor & Destructor Documentation

~FilterContentsFilterInput()

impeller::FilterContentsFilterInput::~FilterContentsFilterInput ( )

overridedefault

Member Function Documentation

GetCoverage()

std::optional< Rect > impeller::FilterContentsFilterInput::GetCoverage ( const Entity &  entity ) const

overridevirtual

Implements impeller::FilterInput.

Definition at line 43 of file filter_contents_filter_input.cc.

                                {
  return filter_->GetCoverage(entity);
}

GetInput()

FilterInput::Variant impeller::FilterContentsFilterInput::GetInput ( ) const

overridevirtual

Implements impeller::FilterInput.

Definition at line 20 of file filter_contents_filter_input.cc.

                                                             {
  return filter_;
}

GetLocalTransform()

Matrix impeller::FilterContentsFilterInput::GetLocalTransform ( const Entity &  entity ) const

overridevirtual

Get the local transform of this filter input. This transform is relative to the Entity transform space.

Reimplemented from impeller::FilterInput.

Definition at line 54 of file filter_contents_filter_input.cc.

                                {
  return filter_->GetLocalTransform(entity.GetTransform());
}

GetSnapshot()

std::optional< Snapshot > impeller::FilterContentsFilterInput::GetSnapshot ( const std::string &  label, const ContentContext &  renderer, const Entity &  entity, std::optional< Rect >  coverage_limit, int32_t  mip_count  ) const

overridevirtual

Implements impeller::FilterInput.

Definition at line 24 of file filter_contents_filter_input.cc.

                             {
  if (!snapshot_.has_value()) {
    snapshot_ = filter_->RenderToSnapshot(
        renderer,        // renderer
        entity,          // entity
        coverage_limit,  // coverage_limit
        std::nullopt,    // sampler_descriptor
        true,            // msaa_enabled
        /*mip_count=*/mip_count,
        SPrintF("Filter to %s Filter Snapshot", label.c_str()));  // label
  }
  return snapshot_;
}

GetSourceCoverage()

std::optional< Rect > impeller::FilterContentsFilterInput::GetSourceCoverage ( const Matrix &  effect_transform, const Rect &  output_limit  ) const

overridevirtual

Reimplemented from impeller::FilterInput.

Definition at line 48 of file filter_contents_filter_input.cc.

                                    {
  return filter_->GetSourceCoverage(effect_transform, output_limit);
}

GetTransform()

Matrix impeller::FilterContentsFilterInput::GetTransform ( const Entity &  entity ) const

overridevirtual

Get the transform of this FilterInput. This is equivalent to calling entity.GetTransform() * GetLocalTransform().

Reimplemented from impeller::FilterInput.

Definition at line 59 of file filter_contents_filter_input.cc.

                                                                         {
  return filter_->GetTransform(entity.GetTransform());
}

IsLeaf()

bool impeller::FilterContentsFilterInput::IsLeaf ( ) const

overridevirtual

Returns true unless this input is a FilterInput, which may take other inputs.

Reimplemented from impeller::FilterInput.

Definition at line 73 of file filter_contents_filter_input.cc.

                                             {
  return false;
}

IsTranslationOnly()

bool impeller::FilterContentsFilterInput::IsTranslationOnly ( ) const

overridevirtual

See also

FilterContents::HasBasisTransforms

Reimplemented from impeller::FilterInput.

Definition at line 69 of file filter_contents_filter_input.cc.

                                                        {
  return filter_->IsTranslationOnly();
}

PopulateGlyphAtlas()

void impeller::FilterContentsFilterInput::PopulateGlyphAtlas ( const std::shared_ptr< LazyGlyphAtlas > &  lazy_glyph_atlas, Scalar  scale  )

overridevirtual

See also

Contents::PopulateGlyphAtlas

Reimplemented from impeller::FilterInput.

Definition at line 63 of file filter_contents_filter_input.cc.

                  {
  filter_->PopulateGlyphAtlas(lazy_glyph_atlas, scale);
}

SetEffectTransform()

void impeller::FilterContentsFilterInput::SetEffectTransform ( const Matrix &  matrix )

overridevirtual

Sets the effect transform of filter inputs.

Reimplemented from impeller::FilterInput.

Definition at line 82 of file filter_contents_filter_input.cc.

                                                                       {
  filter_->SetEffectTransform(matrix);
}

SetLeafInputs()

void impeller::FilterContentsFilterInput::SetLeafInputs ( const FilterInput::Vector &  inputs )

overridevirtual

Replaces the inputs of all leaf FilterContents with a new set of inputs.

See also

FilterInput::IsLeaf

Reimplemented from impeller::FilterInput.

Definition at line 77 of file filter_contents_filter_input.cc.

                                     {
  filter_->SetLeafInputs(inputs);
}

SetRenderingMode()

void impeller::FilterContentsFilterInput::SetRenderingMode ( Entity::RenderingMode  rendering_mode )

overridevirtual

Turns on subpass mode for filter inputs.

Reimplemented from impeller::FilterInput.

Definition at line 86 of file filter_contents_filter_input.cc.

                                        {
  filter_->SetRenderingMode(rendering_mode);
}

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

• impeller/entity/contents/filters/inputs/filter_contents_filter_input.h
• impeller/entity/contents/filters/inputs/filter_contents_filter_input.cc