flutter::testing::DlMetalSurfaceProvider Class Reference

#include <dl_test_surface_metal.h>

Inheritance diagram for flutter::testing::DlMetalSurfaceProvider:

Public Member Functions
	DlMetalSurfaceProvider ()
virtual	~DlMetalSurfaceProvider ()=default
bool	InitializeSurface (size_t width, size_t height, PixelFormat format) override
std::shared_ptr< DlSurfaceInstance >	GetPrimarySurface () const override
std::shared_ptr< DlSurfaceInstance >	MakeOffscreenSurface (size_t width, size_t height, PixelFormat format) const override
const std::string	backend_name () const override
BackendType	backend_type () const override
bool	supports (PixelFormat format) const override
bool	supports_impeller () const override
sk_sp< DlPixelData >	ImpellerSnapshot (const sk_sp< DisplayList > &list, int width, int height) const override
virtual sk_sp< DlImage >	MakeImpellerImage (const sk_sp< DisplayList > &list, int width, int height) const override
Public Member Functions inherited from flutter::testing::DlSurfaceProvider
virtual	~DlSurfaceProvider ()=default
virtual bool	Snapshot (std::string &filename) const

Additional Inherited Members
Public Types inherited from flutter::testing::DlSurfaceProvider
enum	PixelFormat {   kN32PremulPixelFormat ,   k565PixelFormat }
enum	BackendType {   kSoftwareBackend ,   kOpenGlBackend ,   kMetalBackend }
Static Public Member Functions inherited from flutter::testing::DlSurfaceProvider
static SkImageInfo	MakeInfo (PixelFormat format, int w, int h)
static std::string	BackendName (BackendType type)
static std::unique_ptr< DlSurfaceProvider >	Create (BackendType backend_type)
Protected Member Functions inherited from flutter::testing::DlSurfaceProvider
	DlSurfaceProvider ()=default

Detailed Description

Definition at line 18 of file dl_test_surface_metal.h.

Constructor & Destructor Documentation

DlMetalSurfaceProvider()

flutter::testing::DlMetalSurfaceProvider::DlMetalSurfaceProvider ( )

inlineexplicit

Definition at line 20 of file dl_test_surface_metal.h.

: DlSurfaceProvider() {}

~DlMetalSurfaceProvider()

virtual flutter::testing::DlMetalSurfaceProvider::~DlMetalSurfaceProvider ( )

virtualdefault

Member Function Documentation

backend_name()

const std::string flutter::testing::DlMetalSurfaceProvider::backend_name ( ) const

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 31 of file dl_test_surface_metal.h.

{ return "Metal"; }

backend_type()

BackendType flutter::testing::DlMetalSurfaceProvider::backend_type ( ) const

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 32 of file dl_test_surface_metal.h.

{ return kMetalBackend; }

References flutter::testing::DlSurfaceProvider::kMetalBackend.

GetPrimarySurface()

std::shared_ptr< DlSurfaceInstance > flutter::testing::DlMetalSurfaceProvider::GetPrimarySurface ( ) const

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 39 of file dl_test_surface_metal.mm.

                                                                                 {
  if (!metal_surface_) {
    return nullptr;
  }
  return metal_surface_;
}

ImpellerSnapshot()

sk_sp< DlPixelData > flutter::testing::DlMetalSurfaceProvider::ImpellerSnapshot ( const sk_sp< DisplayList > &  list, int  width, int  height  ) const

overridevirtual

Reimplemented from flutter::testing::DlSurfaceProvider.

Definition at line 76 of file dl_test_surface_metal.mm.

                                                                              {
  auto texture = DisplayListToTexture(list, {width, height}, *aiks_context_);
  return sk_make_sp<DlMetalPixelData>(snapshotter_->MakeScreenshot(*aiks_context_, texture));
}

References impeller::DisplayListToTexture(), height, texture, and width.

InitializeSurface()

bool flutter::testing::DlMetalSurfaceProvider::InitializeSurface ( size_t  width, size_t  height, PixelFormat  format  )

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 30 of file dl_test_surface_metal.mm.

                                                                                              {
  if (format != kN32PremulPixelFormat) {
    return false;
  }
  metal_context_ = std::make_unique<TestMetalContext>();
  metal_surface_ = MakeOffscreenSurface(width, height, format);
  return true;
}

References format, height, flutter::testing::DlSurfaceProvider::kN32PremulPixelFormat, MakeOffscreenSurface(), and width.

MakeImpellerImage()

sk_sp< DlImage > flutter::testing::DlMetalSurfaceProvider::MakeImpellerImage ( const sk_sp< DisplayList > &  list, int  width, int  height  ) const

overridevirtual

Reimplemented from flutter::testing::DlSurfaceProvider.

Definition at line 83 of file dl_test_surface_metal.mm.

                                                                           {
  InitScreenShotter();
  return impeller::DlImageImpeller::Make(
      DisplayListToTexture(list, {width, height}, *aiks_context_));
}

References impeller::DisplayListToTexture(), height, impeller::DlImageImpeller::Make(), and width.

MakeOffscreenSurface()

std::shared_ptr< DlSurfaceInstance > flutter::testing::DlMetalSurfaceProvider::MakeOffscreenSurface ( size_t  width, size_t  height, PixelFormat  format  ) const

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 46 of file dl_test_surface_metal.mm.

                              {
  auto surface = TestMetalSurface::Create(*metal_context_, DlISize(width, height));
  surface->GetSurface()->getCanvas()->clear(SK_ColorTRANSPARENT);
  return std::make_shared<DlMetalSurfaceInstance>(std::move(surface));
}

References flutter::testing::TestMetalSurface::Create(), height, surface, and width.

Referenced by InitializeSurface().

supports()

bool flutter::testing::DlMetalSurfaceProvider::supports ( PixelFormat  format ) const

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 33 of file dl_test_surface_metal.h.

                                                   {
    return format == kN32PremulPixelFormat;
  }

References format, and flutter::testing::DlSurfaceProvider::kN32PremulPixelFormat.

supports_impeller()

bool flutter::testing::DlMetalSurfaceProvider::supports_impeller ( ) const

inlineoverridevirtual

Reimplemented from flutter::testing::DlSurfaceProvider.

Definition at line 36 of file dl_test_surface_metal.h.

{ return true; }

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

• display_list/testing/dl_test_surface_metal.h
• display_list/testing/dl_test_surface_metal.mm