Flutter Impeller
impeller::DlImageImpeller Class Referencefinal

#include <dl_image_impeller.h>

Inheritance diagram for impeller::DlImageImpeller:

Public Member Functions

 ~DlImageImpeller () override
 
sk_sp< SkImage > skia_image () const override
 
std::shared_ptr< impeller::Textureimpeller_texture () const override
 
bool isOpaque () const override
 
bool isTextureBacked () const override
 
bool isUIThreadSafe () const override
 
flutter::DlISize GetSize () const override
 
size_t GetApproximateByteSize () const override
 
OwningContext owning_context () const override
 

Static Public Member Functions

static sk_sp< DlImageImpellerMake (std::shared_ptr< Texture > texture, OwningContext owning_context=OwningContext::kIO)
 
static sk_sp< DlImageImpellerMakeFromYUVTextures (AiksContext *aiks_context, std::shared_ptr< Texture > y_texture, std::shared_ptr< Texture > uv_texture, YUVColorSpace yuv_color_space)
 

Detailed Description

Definition at line 15 of file dl_image_impeller.h.

Constructor & Destructor Documentation

◆ ~DlImageImpeller()

impeller::DlImageImpeller::~DlImageImpeller ( )
overridedefault

Member Function Documentation

◆ GetApproximateByteSize()

size_t impeller::DlImageImpeller::GetApproximateByteSize ( ) const
override

Definition at line 115 of file dl_image_impeller.cc.

115  {
116  auto size = sizeof(*this);
117  if (texture_) {
118  size += texture_->GetTextureDescriptor().GetByteSizeOfBaseMipLevel();
119  }
120  return size;
121 }

◆ GetSize()

flutter::DlISize impeller::DlImageImpeller::GetSize ( ) const
override

Definition at line 108 of file dl_image_impeller.cc.

108  {
109  // texture |GetSize()| returns a 64-bit size, but we need a 32-bit size,
110  // so we need to convert to DlISize (the 32-bit variant) either way.
111  return texture_ ? flutter::DlISize(texture_->GetSize()) : flutter::DlISize();
112 }

◆ impeller_texture()

std::shared_ptr< impeller::Texture > impeller::DlImageImpeller::impeller_texture ( ) const
override

Definition at line 85 of file dl_image_impeller.cc.

85  {
86  return texture_;
87 }

◆ isOpaque()

bool impeller::DlImageImpeller::isOpaque ( ) const
override

Definition at line 90 of file dl_image_impeller.cc.

90  {
91  // Impeller doesn't currently implement opaque alpha types.
92  return false;
93 }

◆ isTextureBacked()

bool impeller::DlImageImpeller::isTextureBacked ( ) const
override

Definition at line 96 of file dl_image_impeller.cc.

96  {
97  // Impeller textures are always ... textures :/
98  return true;
99 }

◆ isUIThreadSafe()

bool impeller::DlImageImpeller::isUIThreadSafe ( ) const
override

Definition at line 102 of file dl_image_impeller.cc.

102  {
103  // Impeller textures are always thread-safe
104  return true;
105 }

◆ Make()

sk_sp< DlImageImpeller > impeller::DlImageImpeller::Make ( std::shared_ptr< Texture texture,
OwningContext  owning_context = OwningContext::kIO 
)
static

Definition at line 23 of file dl_image_impeller.cc.

24  {
25  if (!texture) {
26  return nullptr;
27  }
28  return sk_sp<DlImageImpeller>(
29  new DlImageImpeller(std::move(texture), owning_context));
30 }
OwningContext owning_context() const override

References owning_context().

Referenced by impeller::DlPlayground::CreateDlImageForFixture(), impeller::GoldenPlaygroundTest::CreateDlImageForFixture(), MakeFromYUVTextures(), impeller::interop::Texture::MakeImage(), impeller::interop::ReadSamplersAndUniforms(), and impeller::testing::TEST_P().

◆ MakeFromYUVTextures()

sk_sp< DlImageImpeller > impeller::DlImageImpeller::MakeFromYUVTextures ( AiksContext aiks_context,
std::shared_ptr< Texture y_texture,
std::shared_ptr< Texture uv_texture,
YUVColorSpace  yuv_color_space 
)
static

Definition at line 33 of file dl_image_impeller.cc.

37  {
38  if (!aiks_context || !y_texture || !uv_texture) {
39  return nullptr;
40  }
41  auto yuv_to_rgb_filter_contents = FilterContents::MakeYUVToRGBFilter(
42  std::move(y_texture), std::move(uv_texture), yuv_color_space);
43  impeller::Entity entity;
45  std::optional<Snapshot> snapshot =
46  yuv_to_rgb_filter_contents->RenderToSnapshot(
47  aiks_context->GetContentContext(), // renderer
48  entity, // entity
49  std::nullopt, // coverage_limit
50  std::nullopt, // sampler_descriptor
51  true, // msaa_enabled
52  /*mip_count=*/1,
53  "MakeYUVToRGBFilter Snapshot"); // label
54  if (!snapshot.has_value()) {
55  return nullptr;
56  }
57  return impeller::DlImageImpeller::Make(snapshot->texture);
58 }
static sk_sp< DlImageImpeller > Make(std::shared_ptr< Texture > texture, OwningContext owning_context=OwningContext::kIO)
void SetBlendMode(BlendMode blend_mode)
Definition: entity.cc:97
static std::shared_ptr< FilterContents > MakeYUVToRGBFilter(std::shared_ptr< Texture > y_texture, std::shared_ptr< Texture > uv_texture, YUVColorSpace yuv_color_space)

References impeller::AiksContext::GetContentContext(), impeller::kSrc, Make(), impeller::FilterContents::MakeYUVToRGBFilter(), and impeller::Entity::SetBlendMode().

◆ owning_context()

OwningContext impeller::DlImageImpeller::owning_context ( ) const
inlineoverride

Definition at line 57 of file dl_image_impeller.h.

57 { return owning_context_; }

Referenced by Make().

◆ skia_image()

sk_sp< SkImage > impeller::DlImageImpeller::skia_image ( ) const
override

Definition at line 80 of file dl_image_impeller.cc.

80  {
81  return nullptr;
82 };

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