flutter::testing::DlOpenGLSurfaceProvider Class Reference

#include <dl_test_surface_gl.h>

Inheritance diagram for flutter::testing::DlOpenGLSurfaceProvider:

Public Member Functions
	DlOpenGLSurfaceProvider ()
virtual	~DlOpenGLSurfaceProvider ()=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
Public Member Functions inherited from flutter::testing::DlSurfaceProvider
virtual	~DlSurfaceProvider ()=default
virtual bool	supports_impeller () const
virtual bool	Snapshot (std::string &filename) const
virtual sk_sp< DlPixelData >	ImpellerSnapshot (const sk_sp< DisplayList > &list, int width, int height) const
virtual sk_sp< DlImage >	MakeImpellerImage (const sk_sp< DisplayList > &list, int width, int height) 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 15 of file dl_test_surface_gl.h.

Constructor & Destructor Documentation

DlOpenGLSurfaceProvider()

flutter::testing::DlOpenGLSurfaceProvider::DlOpenGLSurfaceProvider ( )

inline

Definition at line 17 of file dl_test_surface_gl.h.

: DlSurfaceProvider() {}

~DlOpenGLSurfaceProvider()

virtual flutter::testing::DlOpenGLSurfaceProvider::~DlOpenGLSurfaceProvider ( )

virtualdefault

Member Function Documentation

backend_name()

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

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 28 of file dl_test_surface_gl.h.

{ return "OpenGL"; }

backend_type()

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

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 29 of file dl_test_surface_gl.h.

{ return kOpenGlBackend; }

References flutter::testing::DlSurfaceProvider::kOpenGlBackend.

GetPrimarySurface()

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

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 25 of file dl_test_surface_gl.cc.

          {
  if (!gl_surface_->MakeCurrent()) {
    return nullptr;
  }
  return primary_;
}

InitializeSurface()

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

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 15 of file dl_test_surface_gl.cc.

                                                                    {
  gl_surface_ = std::make_unique<TestGLSurface>(DlISize(width, height));
  gl_surface_->MakeCurrent();
 
  primary_ = MakeOffscreenSurface(width, height, format);
  return true;
}

References format, height, MakeOffscreenSurface(), and width.

MakeOffscreenSurface()

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

overridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 34 of file dl_test_surface_gl.cc.

                                                                        {
  auto offscreen_surface = SkSurfaces::RenderTarget(
      (GrRecordingContext*)gl_surface_->GetGrContext().get(),
      skgpu::Budgeted::kNo, MakeInfo(format, width, height), 1,
      kTopLeft_GrSurfaceOrigin, nullptr, false);
 
  offscreen_surface->getCanvas()->clear(SK_ColorTRANSPARENT);
  return std::make_shared<DlSurfaceInstanceBase>(offscreen_surface);
}

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

Referenced by InitializeSurface().

supports()

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

inlineoverridevirtual

Implements flutter::testing::DlSurfaceProvider.

Definition at line 30 of file dl_test_surface_gl.h.

                                                   {
    return format == kN32PremulPixelFormat;
  }

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

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

• display_list/testing/dl_test_surface_gl.h
• display_list/testing/dl_test_surface_gl.cc