impeller::DlImageImpellerTexture Class Reference

#include <dl_image_impeller.h>

Inheritance diagram for impeller::DlImageImpellerTexture:

Public Member Functions
	DlImageImpellerTexture (std::shared_ptr< Texture > texture, OwningContext owning_context)
	~DlImageImpellerTexture () override
std::shared_ptr< Texture >	GetImpellerTexture (const std::shared_ptr< Context > &context) const override
flutter::DlColorSpace	GetColorSpace () const override
bool	isOpaque () const override
bool	isUIThreadSafe () const override
flutter::DlISize	GetSize () const override
size_t	GetApproximateByteSize () const override
OwningContext	owning_context () const override
Public Member Functions inherited from impeller::DlImageImpeller
Type	GetImageType () const override
const DlImageImpeller *	asImpellerImage () const override
bool	isTextureBacked () const override
std::shared_ptr< Texture >	GetCachedTexture (const ContentContext &renderer) const

Additional Inherited Members
Static Public Member Functions inherited from impeller::DlImageImpeller
static sk_sp< DlImageImpeller >	Make (std::shared_ptr< Texture > texture, OwningContext owning_context=OwningContext::kIO)
static sk_sp< DlImageImpeller >	MakeFromYUVTextures (AiksContext *aiks_context, std::shared_ptr< Texture > y_texture, std::shared_ptr< Texture > uv_texture, YUVColorSpace yuv_color_space)

Detailed Description

Definition at line 45 of file dl_image_impeller.h.

Constructor & Destructor Documentation

DlImageImpellerTexture()

impeller::DlImageImpellerTexture::DlImageImpellerTexture	(	std::shared_ptr< Texture >	texture,
		OwningContext	owning_context
	)

Definition at line 65 of file dl_image_impeller.cc.

    : texture_(std::move(texture)), owning_context_(owning_context) {}

~DlImageImpellerTexture()

impeller::DlImageImpellerTexture::~DlImageImpellerTexture ( )

overridedefault

Member Function Documentation

GetApproximateByteSize()

size_t impeller::DlImageImpellerTexture::GetApproximateByteSize ( ) const

override

Definition at line 112 of file dl_image_impeller.cc.

                                                            {
  auto size = sizeof(*this);
  if (texture_) {
    size += texture_->GetTextureDescriptor().GetByteSizeOfBaseMipLevel();
  }
  return size;
}

GetColorSpace()

flutter::DlColorSpace impeller::DlImageImpellerTexture::GetColorSpace ( ) const

override

Definition at line 79 of file dl_image_impeller.cc.

                                                                {
  if (!texture_) {
    return flutter::DlColorSpace::kSRGB;
  }
  switch (texture_->GetTextureDescriptor().format) {
    case impeller::PixelFormat::kB10G10R10XR:
    case impeller::PixelFormat::kR16G16B16A16Float:
      return flutter::DlColorSpace::kExtendedSRGB;
    default:
      return flutter::DlColorSpace::kSRGB;
  }
}

References impeller::kB10G10R10XR, and impeller::kR16G16B16A16Float.

GetImpellerTexture()

std::shared_ptr< impeller::Texture > impeller::DlImageImpellerTexture::GetImpellerTexture ( const std::shared_ptr< Context > &  context ) const

overridevirtual

Implements impeller::DlImageImpeller.

Definition at line 73 of file dl_image_impeller.cc.

                                                         {
  return texture_;
}

GetSize()

flutter::DlISize impeller::DlImageImpellerTexture::GetSize ( ) const

override

Definition at line 105 of file dl_image_impeller.cc.

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

isOpaque()

bool impeller::DlImageImpellerTexture::isOpaque ( ) const

override

Definition at line 93 of file dl_image_impeller.cc.

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

isUIThreadSafe()

bool impeller::DlImageImpellerTexture::isUIThreadSafe ( ) const

override

Definition at line 99 of file dl_image_impeller.cc.

                                                  {
  // Impeller textures are always thread-safe
  return true;
}

owning_context()

OwningContext impeller::DlImageImpellerTexture::owning_context ( ) const

inlineoverride

Definition at line 61 of file dl_image_impeller.h.

{ return owning_context_; }

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

• impeller/display_list/dl_image_impeller.h
• impeller/display_list/dl_image_impeller.cc