Flutter Impeller
impeller::FilterContentsFilterInput Class Referencefinal

#include <filter_contents_filter_input.h>

Inheritance diagram for impeller::FilterContentsFilterInput:
impeller::FilterInput

Public Member Functions

 ~FilterContentsFilterInput () override
 
std::optional< SnapshotGetSnapshot (std::string_view label, const ContentContext &renderer, const Entity &entity, std::optional< Rect > coverage_limit, int32_t mip_count) const override
 
std::optional< RectGetCoverage (const Entity &entity) const override
 
std::optional< RectGetSourceCoverage (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. More...
 
Matrix GetTransform (const Entity &entity) const override
 Get the transform of this FilterInput. This is equivalent to calling entity.GetTransform() * GetLocalTransform(). More...
 
virtual void SetEffectTransform (const Matrix &matrix) override
 Sets the effect transform of filter inputs. More...
 
virtual void SetRenderingMode (Entity::RenderingMode rendering_mode) override
 Turns on subpass mode for filter inputs. More...
 
- Public Member Functions inherited from impeller::FilterInput
virtual ~FilterInput ()
 
std::optional< RectGetLocalCoverage (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 38 of file filter_contents_filter_input.cc.

39  {
40  return filter_->GetCoverage(entity);
41 }

◆ 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 49 of file filter_contents_filter_input.cc.

50  {
51  return filter_->GetLocalTransform(entity.GetTransform());
52 }

References impeller::Entity::GetTransform().

◆ GetSnapshot()

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

Implements impeller::FilterInput.

Definition at line 20 of file filter_contents_filter_input.cc.

25  {
26  if (!snapshot_.has_value()) {
27  snapshot_ = filter_->RenderToSnapshot(renderer, // renderer
28  entity, // entity
29  coverage_limit, // coverage_limit
30  std::nullopt, // sampler_descriptor
31  true, // msaa_enabled
32  /*mip_count=*/mip_count, //
33  label); // label
34  }
35  return snapshot_;
36 }

◆ GetSourceCoverage()

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

Reimplemented from impeller::FilterInput.

Definition at line 43 of file filter_contents_filter_input.cc.

45  {
46  return filter_->GetSourceCoverage(effect_transform, output_limit);
47 }

◆ 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 54 of file filter_contents_filter_input.cc.

54  {
55  return filter_->GetTransform(entity.GetTransform());
56 }

References impeller::Entity::GetTransform().

◆ SetEffectTransform()

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

Sets the effect transform of filter inputs.

Reimplemented from impeller::FilterInput.

Definition at line 58 of file filter_contents_filter_input.cc.

58  {
59  filter_->SetEffectTransform(matrix);
60 }

◆ SetRenderingMode()

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

Turns on subpass mode for filter inputs.

Reimplemented from impeller::FilterInput.

Definition at line 62 of file filter_contents_filter_input.cc.

63  {
64  filter_->SetRenderingMode(rendering_mode);
65 }

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