C++ (Cpp) TextureClientSurface::UpdateSurface示例

示例#1

文件： TestTextures.cpp 项目： MrKeiKun/mozilla-central

// Run the test for a texture client and a surface
void TestTextureClientSurface(TextureClient* texture, gfxImageSurface* surface) {

  // client allocation
  ASSERT_TRUE(texture->AsTextureClientSurface() != nullptr);
  TextureClientSurface* client = texture->AsTextureClientSurface();
  client->AllocateForSurface(ToIntSize(surface->GetSize()));
  ASSERT_TRUE(texture->IsAllocated());

  // client painting
  client->UpdateSurface(surface);

  nsRefPtr<gfxASurface> aSurface = client->GetAsSurface();
  nsRefPtr<gfxImageSurface> clientSurface = aSurface->GetAsImageSurface();

  ASSERT_TRUE(texture->Lock(OPEN_READ_ONLY));
  AssertSurfacesEqual(surface, clientSurface);
  texture->Unlock();

  // client serialization
  texture->SetID(1);
  SurfaceDescriptor descriptor;
  ASSERT_TRUE(texture->ToSurfaceDescriptor(descriptor));

  ASSERT_NE(descriptor.type(), SurfaceDescriptor::Tnull_t);

  // host deserialization
  RefPtr<TextureHost> host = CreateBackendIndependentTextureHost(texture->GetID(),
                                                                 descriptor, nullptr,
                                                                 texture->GetFlags());

  ASSERT_TRUE(host.get() != nullptr);
  ASSERT_EQ(host->GetFlags(), texture->GetFlags());
  ASSERT_EQ(host->GetID(), texture->GetID());

  // host read
  ASSERT_TRUE(host->Lock());
  nsRefPtr<gfxImageSurface> hostSurface = host->GetAsSurface();
  host->Unlock();

  AssertSurfacesEqual(surface, hostSurface.get());

  // host deallocation
  host->DeallocateSharedData();
}

示例#2

文件： TestTextures.cpp 项目： PatMart/gecko-dev

// Run the test for a texture client and a surface
void TestTextureClientSurface(TextureClient* texture, gfxImageSurface* surface) {

  // client allocation
  ASSERT_TRUE(texture->AsTextureClientSurface() != nullptr);
  TextureClientSurface* client = texture->AsTextureClientSurface();
  client->AllocateForSurface(ToIntSize(surface->GetSize()));
  ASSERT_TRUE(texture->IsAllocated());

  ASSERT_TRUE(texture->Lock(OPEN_READ_WRITE));
  // client painting
  client->UpdateSurface(surface);

  nsRefPtr<gfxASurface> aSurface = client->GetAsSurface();
  nsRefPtr<gfxImageSurface> clientSurface = aSurface->GetAsImageSurface();

  AssertSurfacesEqual(surface, clientSurface);
  texture->Unlock();

  // client serialization
  SurfaceDescriptor descriptor;
  ASSERT_TRUE(texture->ToSurfaceDescriptor(descriptor));

  ASSERT_NE(descriptor.type(), SurfaceDescriptor::Tnull_t);

  // host deserialization
  RefPtr<TextureHost> host = CreateBackendIndependentTextureHost(descriptor, nullptr,
                                                                 texture->GetFlags());

  ASSERT_TRUE(host.get() != nullptr);
  ASSERT_EQ(host->GetFlags(), texture->GetFlags());

  // host read
  ASSERT_TRUE(host->Lock());
  RefPtr<mozilla::gfx::DataSourceSurface> hostDataSurface = host->GetAsSurface();
  host->Unlock();

  nsRefPtr<gfxImageSurface> hostSurface =
    new gfxImageSurface(hostDataSurface->GetData(),
                        ThebesIntSize(hostDataSurface->GetSize()),
                        hostDataSurface->Stride(),
                        SurfaceFormatToImageFormat(hostDataSurface->GetFormat()));
  AssertSurfacesEqual(surface, hostSurface.get());
}