impeller::testing::GaussianBlurFilterContentsTest Class Reference

Inheritance diagram for impeller::testing::GaussianBlurFilterContentsTest:

Public Member Functions
std::shared_ptr< Texture >	MakeTexture (ISize size)
	Create a texture that has been cleared to transparent black.
Public Member Functions inherited from impeller::EntityPlayground
	EntityPlayground ()
	~EntityPlayground ()
void	SetTypographerContext (std::shared_ptr< TypographerContext > typographer_context)
bool	OpenPlaygroundHere (Entity entity)
bool	OpenPlaygroundHere (EntityPass &entity_pass)
bool	OpenPlaygroundHere (EntityPlaygroundCallback callback)
std::shared_ptr< ContentContext >	GetContentContext () const
Public Member Functions inherited from impeller::PlaygroundTest
	PlaygroundTest ()
virtual	~PlaygroundTest ()
void	SetUp () override
void	TearDown () override
PlaygroundBackend	GetBackend () const
std::unique_ptr< fml::Mapping >	OpenAssetAsMapping (std::string asset_name) const override
RuntimeStage::Map	OpenAssetAsRuntimeStage (const char *asset_name) const
std::string	GetWindowTitle () const override
Public Member Functions inherited from impeller::Playground
	Playground (PlaygroundSwitches switches)
virtual	~Playground ()
void	SetupContext (PlaygroundBackend backend, const PlaygroundSwitches &switches)
void	SetupWindow ()
void	TeardownWindow ()
bool	IsPlaygroundEnabled () const
Point	GetCursorPosition () const
ISize	GetWindowSize () const
Point	GetContentScale () const
Scalar	GetSecondsElapsed () const
	Get the amount of time elapsed from the start of the playground's execution.
std::shared_ptr< Context >	GetContext () const
std::shared_ptr< Context >	MakeContext () const
bool	OpenPlaygroundHere (const Renderer::RenderCallback &render_callback)
bool	OpenPlaygroundHere (SinglePassCallback pass_callback)
std::shared_ptr< Texture >	CreateTextureForFixture (const char *fixture_name, bool enable_mipmapping=false) const
std::shared_ptr< Texture >	CreateTextureCubeForFixture (std::array< const char *, 6 > fixture_names) const
fml::Status	SetCapabilities (const std::shared_ptr< Capabilities > &capabilities)
bool	WillRenderSomething () const

Additional Inherited Members
Public Types inherited from impeller::EntityPlayground
using	EntityPlaygroundCallback = std::function< bool(ContentContext &context, RenderPass &pass)>
Public Types inherited from impeller::Playground
using	SinglePassCallback = std::function< bool(RenderPass &pass)>
Static Public Member Functions inherited from impeller::Playground
static bool	ShouldOpenNewPlaygrounds ()
static std::shared_ptr< CompressedImage >	LoadFixtureImageCompressed (std::shared_ptr< fml::Mapping > mapping)
static std::optional< DecompressedImage >	DecodeImageRGBA (const std::shared_ptr< CompressedImage > &compressed)
static std::shared_ptr< Texture >	CreateTextureForMapping (const std::shared_ptr< Context > &context, std::shared_ptr< fml::Mapping > mapping, bool enable_mipmapping=false)
static bool	SupportsBackend (PlaygroundBackend backend)
Protected Member Functions inherited from impeller::Playground
void	SetWindowSize (ISize size)
Protected Attributes inherited from impeller::Playground
const PlaygroundSwitches	switches_

Detailed Description

Definition at line 74 of file gaussian_blur_filter_contents_unittests.cc.

Member Function Documentation

MakeTexture()

std::shared_ptr< Texture > impeller::testing::GaussianBlurFilterContentsTest::MakeTexture ( ISize  size )

inline

Create a texture that has been cleared to transparent black.

Definition at line 77 of file gaussian_blur_filter_contents_unittests.cc.

                                                 {
    std::shared_ptr<CommandBuffer> command_buffer =
        GetContentContext()->GetContext()->CreateCommandBuffer();
    if (!command_buffer) {
      return nullptr;
    }
 
    auto render_target = GetContentContext()->MakeSubpass(
        "Clear Subpass", size, command_buffer,
        [](const ContentContext&, RenderPass&) { return true; });
 
    if (!GetContentContext()
             ->GetContext()
             ->GetCommandQueue()
             ->Submit(/*buffers=*/{command_buffer})
             .ok()) {
      return nullptr;
    }
 
    if (render_target.ok()) {
      return render_target.value().GetRenderTargetTexture();
    }
    return nullptr;
  }

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

• impeller/entity/contents/filters/gaussian_blur_filter_contents_unittests.cc