flutter::testing::EmbedderTestBackingStoreProducerMetal Class Reference

#include <embedder_test_backingstore_producer_metal.h>

Inheritance diagram for flutter::testing::EmbedderTestBackingStoreProducerMetal:

Public Member Functions
	EmbedderTestBackingStoreProducerMetal (sk_sp< GrDirectContext > context, RenderTargetType type)
virtual	~EmbedderTestBackingStoreProducerMetal ()
bool	Create (const FlutterBackingStoreConfig *config, FlutterBackingStore *backing_store_out) override
sk_sp< SkSurface >	GetSurface (const FlutterBackingStore *backing_store) const override
sk_sp< SkImage >	MakeImageSnapshot (const FlutterBackingStore *backing_store) const override
Public Member Functions inherited from flutter::testing::EmbedderTestBackingStoreProducer
	EmbedderTestBackingStoreProducer (sk_sp< GrDirectContext > context, RenderTargetType type)
virtual	~EmbedderTestBackingStoreProducer ()

Additional Inherited Members
Public Types inherited from flutter::testing::EmbedderTestBackingStoreProducer
enum class	RenderTargetType {   kSoftwareBuffer ,   kSoftwareBuffer2 ,   kOpenGLFramebuffer ,   kOpenGLTexture ,   kOpenGLSurface ,   kMetalTexture ,   kVulkanImage }
Protected Member Functions inherited from flutter::testing::EmbedderTestBackingStoreProducer
	FML_DISALLOW_COPY_AND_ASSIGN (EmbedderTestBackingStoreProducer)
Protected Attributes inherited from flutter::testing::EmbedderTestBackingStoreProducer
sk_sp< GrDirectContext >	context_
RenderTargetType	type_

Detailed Description

Definition at line 13 of file embedder_test_backingstore_producer_metal.h.

Constructor & Destructor Documentation

EmbedderTestBackingStoreProducerMetal()

flutter::testing::EmbedderTestBackingStoreProducerMetal::EmbedderTestBackingStoreProducerMetal	(	sk_sp< GrDirectContext >	context,
		RenderTargetType	type
	)

Definition at line 18 of file embedder_test_backingstore_producer_metal.mm.

    : EmbedderTestBackingStoreProducer(std::move(context), type),
      test_metal_context_(std::make_unique<TestMetalContext>()) {}

~EmbedderTestBackingStoreProducerMetal()

flutter::testing::EmbedderTestBackingStoreProducerMetal::~EmbedderTestBackingStoreProducerMetal ( )

virtualdefault

Member Function Documentation

Create()

bool flutter::testing::EmbedderTestBackingStoreProducerMetal::Create ( const FlutterBackingStoreConfig *  config, FlutterBackingStore *  backing_store_out  )

overridevirtual

Implements flutter::testing::EmbedderTestBackingStoreProducer.

Definition at line 26 of file embedder_test_backingstore_producer_metal.mm.

                                                                                           {
  // TODO(gw280): Use SkSurfaces::RenderTarget instead of generating our
  // own MTLTexture and wrapping it.
  auto surface_size = DlISize(config->size.width, config->size.height);
  auto texture_info = test_metal_context_->CreateMetalTexture(surface_size);
 
  GrMtlTextureInfo skia_texture_info;
  skia_texture_info.fTexture.reset(SkCFSafeRetain(texture_info.texture));
  GrBackendTexture backend_texture = GrBackendTextures::MakeMtl(
      surface_size.width, surface_size.height, skgpu::Mipmapped::kNo, skia_texture_info);
 
  sk_sp<SkSurface> surface =
      SkSurfaces::WrapBackendTexture(context_.get(), backend_texture, kTopLeft_GrSurfaceOrigin, 1,
                                     kBGRA_8888_SkColorType, nullptr, nullptr);
 
  if (!surface) {
    FML_LOG(ERROR) << "Could not create Skia surface from a Metal texture.";
    return false;
  }
 
  backing_store_out->type = kFlutterBackingStoreTypeMetal;
  backing_store_out->user_data = surface.get();
  backing_store_out->metal.texture.texture = texture_info.texture;
  // The balancing unref is in the destruction callback.
  surface->ref();
  backing_store_out->metal.struct_size = sizeof(FlutterMetalBackingStore);
  backing_store_out->metal.texture.user_data = surface.get();
  backing_store_out->metal.texture.destruction_callback = [](void* user_data) {
    reinterpret_cast<SkSurface*>(user_data)->unref();
  };
 
  return true;
}

References flutter::testing::EmbedderTestBackingStoreProducer::context_, FlutterMetalTexture::destruction_callback, FML_LOG, FlutterSize::height, kFlutterBackingStoreTypeMetal, FlutterBackingStore::metal, FlutterBackingStoreConfig::size, FlutterMetalBackingStore::struct_size, surface, FlutterMetalTexture::texture, FlutterMetalBackingStore::texture, FlutterBackingStore::type, user_data, FlutterMetalTexture::user_data, FlutterBackingStore::user_data, and FlutterSize::width.

GetSurface()

sk_sp< SkSurface > flutter::testing::EmbedderTestBackingStoreProducerMetal::GetSurface ( const FlutterBackingStore *  backing_store ) const

overridevirtual

Implements flutter::testing::EmbedderTestBackingStoreProducer.

Definition at line 61 of file embedder_test_backingstore_producer_metal.mm.

                                                    {
  FML_LOG(FATAL) << "Unimplemented.";
  std::terminate();
}

References FML_LOG.

MakeImageSnapshot()

sk_sp< SkImage > flutter::testing::EmbedderTestBackingStoreProducerMetal::MakeImageSnapshot ( const FlutterBackingStore *  backing_store ) const

overridevirtual

Implements flutter::testing::EmbedderTestBackingStoreProducer.

Definition at line 67 of file embedder_test_backingstore_producer_metal.mm.

                                                    {
  FML_LOG(FATAL) << "Unimplemented.";
  std::terminate();
}

References FML_LOG.

---

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

• shell/platform/embedder/tests/embedder_test_backingstore_producer_metal.h
• shell/platform/embedder/tests/embedder_test_backingstore_producer_metal.mm