flutter::testing::DlSurfaceProvider Class Reference

#include <dl_test_surface_provider.h>

Inheritance diagram for flutter::testing::DlSurfaceProvider:

Public Types
enum	PixelFormat {   kN32PremulPixelFormat ,   k565PixelFormat }
enum	BackendType {   kSoftwareBackend ,   kOpenGlBackend ,   kMetalBackend }

Public Member Functions
virtual	~DlSurfaceProvider ()=default
virtual const std::string	backend_name () const =0
virtual BackendType	backend_type () const =0
virtual bool	supports (PixelFormat format) const =0
virtual bool	supports_impeller () const
virtual bool	InitializeSurface (size_t width, size_t height, PixelFormat format=kN32PremulPixelFormat)=0
virtual std::shared_ptr< DlSurfaceInstance >	GetPrimarySurface () const =0
virtual std::shared_ptr< DlSurfaceInstance >	MakeOffscreenSurface (size_t width, size_t height, PixelFormat format=kN32PremulPixelFormat) const =0
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

Static Public Member Functions
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
	DlSurfaceProvider ()=default

Detailed Description

Definition at line 57 of file dl_test_surface_provider.h.

Member Enumeration Documentation

BackendType

enum flutter::testing::DlSurfaceProvider::BackendType

Enumerator
kSoftwareBackend
kOpenGlBackend
kMetalBackend

Definition at line 60 of file dl_test_surface_provider.h.

{ kSoftwareBackend, kOpenGlBackend, kMetalBackend } BackendType;

PixelFormat

enum flutter::testing::DlSurfaceProvider::PixelFormat

Enumerator
kN32PremulPixelFormat
k565PixelFormat

Definition at line 59 of file dl_test_surface_provider.h.

{ kN32PremulPixelFormat, k565PixelFormat } PixelFormat;

Constructor & Destructor Documentation

~DlSurfaceProvider()

virtual flutter::testing::DlSurfaceProvider::~DlSurfaceProvider ( )

virtualdefault

DlSurfaceProvider()

flutter::testing::DlSurfaceProvider::DlSurfaceProvider ( )

protecteddefault

Member Function Documentation

backend_name()

virtual const std::string flutter::testing::DlSurfaceProvider::backend_name ( ) const

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

Referenced by flutter::testing::RenderEnvironment::backend_name().

backend_type()

virtual BackendType flutter::testing::DlSurfaceProvider::backend_type ( ) const

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

Referenced by Create(), flutter::testing::CanvasCompareTester::groupOpacityFudgeFactor(), and flutter::testing::CanvasCompareTester::RenderWithStrokes().

BackendName()

std::string flutter::testing::DlSurfaceProvider::BackendName ( BackendType  type )

static

Definition at line 12 of file dl_test_surface_provider.cc.

                                                         {
  switch (type) {
    case kSoftwareBackend:
      return "Software";
    case kOpenGlBackend:
      return "OpenGL";
    case kMetalBackend:
      return "Metal";
  }
}

References kMetalBackend, kOpenGlBackend, kSoftwareBackend, and type.

Referenced by flutter::testing::CanvasCompareTester::GetProvider(), and flutter::testing::DisplayListRenderingTestBase< BaseT >::SetUpTestSuite().

Create()

std::unique_ptr< DlSurfaceProvider > flutter::testing::DlSurfaceProvider::Create ( BackendType  backend_type )

static

Definition at line 23 of file dl_test_surface_provider.cc.

                              {
  switch (backend_type) {
    case kSoftwareBackend:
      return CreateSoftware();
    case kOpenGlBackend:
      return CreateOpenGL();
    case kMetalBackend:
      return CreateMetal();
  }
}

References backend_type(), kMetalBackend, kOpenGlBackend, and kSoftwareBackend.

Referenced by flutter::testing::BM_DrawArc(), flutter::testing::BM_DrawCircle(), flutter::testing::BM_DrawDRRect(), flutter::testing::BM_DrawImage(), flutter::testing::BM_DrawImageNine(), flutter::testing::BM_DrawImageRect(), flutter::testing::BM_DrawLine(), flutter::testing::BM_DrawOval(), flutter::testing::BM_DrawPath(), flutter::testing::BM_DrawPoints(), flutter::testing::BM_DrawRect(), flutter::testing::BM_DrawRRect(), flutter::testing::BM_DrawShadow(), flutter::testing::BM_DrawTextBlob(), flutter::testing::BM_DrawVertices(), flutter::testing::BM_SaveLayer(), and flutter::testing::CanvasCompareTester::GetProvider().

GetPrimarySurface()

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

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

Referenced by Snapshot().

ImpellerSnapshot()

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

inlinevirtual

Reimplemented in flutter::testing::DlMetalSurfaceProvider.

Definition at line 92 of file dl_test_surface_provider.h.

                                                                {
    return nullptr;
  }

Referenced by flutter::testing::RenderEnvironment::getImpellerResult().

InitializeSurface()

virtual bool flutter::testing::DlSurfaceProvider::InitializeSurface ( size_t  width, size_t  height, PixelFormat  format = kN32PremulPixelFormat  )

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

MakeImpellerImage()

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

inlinevirtual

Reimplemented in flutter::testing::DlMetalSurfaceProvider.

Definition at line 97 of file dl_test_surface_provider.h.

                                                             {
    return nullptr;
  }

MakeInfo()

static SkImageInfo flutter::testing::DlSurfaceProvider::MakeInfo ( PixelFormat  format, int  w, int  h  )

inlinestatic

Definition at line 62 of file dl_test_surface_provider.h.

                                                                {
    switch (format) {
      case kN32PremulPixelFormat:
        return SkImageInfo::MakeN32Premul(w, h);
      case k565PixelFormat:
        return SkImageInfo::Make(SkISize::Make(w, h), kRGB_565_SkColorType,
                                 kOpaque_SkAlphaType);
    }
    FML_DCHECK(false);
  }

References FML_DCHECK, format, flutter::h, k565PixelFormat, and kN32PremulPixelFormat.

Referenced by flutter::testing::DlOpenGLSurfaceProvider::MakeOffscreenSurface(), and flutter::testing::DlSoftwareSurfaceProvider::MakeOffscreenSurface().

MakeOffscreenSurface()

virtual std::shared_ptr< DlSurfaceInstance > flutter::testing::DlSurfaceProvider::MakeOffscreenSurface ( size_t  width, size_t  height, PixelFormat  format = kN32PremulPixelFormat  ) const

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

Referenced by flutter::testing::RenderEnvironment::RenderEnvironment().

Snapshot()

bool flutter::testing::DlSurfaceProvider::Snapshot ( std::string &  filename ) const

virtual

Definition at line 35 of file dl_test_surface_provider.cc.

                                                          {
#ifdef BENCHMARKS_NO_SNAPSHOT
  return false;
#else
  auto image = GetPrimarySurface()->sk_surface()->makeImageSnapshot();
  if (!image) {
    return false;
  }
  auto raster = image->makeRasterImage(nullptr);
  if (!raster) {
    return false;
  }
  auto data = SkPngEncoder::Encode(nullptr, raster.get(), {});
  if (!data) {
    return false;
  }
  fml::NonOwnedMapping mapping(static_cast<const uint8_t*>(data->data()),
                               data->size());
  return WriteAtomically(OpenFixturesDirectory(), filename.c_str(), mapping);
#endif
}

References flutter::data, GetPrimarySurface(), image, and flutter::testing::OpenFixturesDirectory().

supports()

virtual bool flutter::testing::DlSurfaceProvider::supports ( PixelFormat  format ) const

pure virtual

Implemented in flutter::testing::DlOpenGLSurfaceProvider, flutter::testing::DlMetalSurfaceProvider, and flutter::testing::DlSoftwareSurfaceProvider.

Referenced by flutter::testing::RenderEnvironment::RenderEnvironment(), and flutter::testing::RenderEnvironment::valid().

supports_impeller()

virtual bool flutter::testing::DlSurfaceProvider::supports_impeller ( ) const

inlinevirtual

Reimplemented in flutter::testing::DlMetalSurfaceProvider.

Definition at line 80 of file dl_test_surface_provider.h.

{ return false; }

Referenced by flutter::testing::RenderEnvironment::supports_impeller().

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

• display_list/testing/dl_test_surface_provider.h
• display_list/testing/dl_test_surface_provider.cc
• display_list/testing/dl_test_surface_provider_gl.cc
• display_list/testing/dl_test_surface_provider_metal.mm
• display_list/testing/dl_test_surface_provider_software.cc