#include <dl_playground.h>

Inheritance diagram for impeller::DlPlayground:

Public Types
using	DisplayListPlaygroundCallback = std::function< sk_sp< flutter::DisplayList >()>

Public Types inherited from impeller::Playground
using	SinglePassCallback = std::function< bool(RenderPass &pass)>

using	RenderCallback = std::function< bool(RenderTarget &render_target)>

using	GLProcAddressResolver = std::function< void (const char proc_name)>

Public Member Functions
	DlPlayground ()

	~DlPlayground ()

bool	OpenPlaygroundHere (flutter::DisplayListBuilder &builder)

bool	OpenPlaygroundHere (sk_sp< flutter::DisplayList > list)

bool	OpenPlaygroundHere (DisplayListPlaygroundCallback callback)

std::unique_ptr< testing::Screenshot >	MakeScreenshot (const sk_sp< flutter::DisplayList > &list)

SkFont	CreateTestFontOfSize (SkScalar scalar)

SkFont	CreateTestFont ()

sk_sp< flutter::DlImage >	CreateDlImageForFixture (const char *fixture_name, bool enable_mipmapping=false) 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. More...

std::shared_ptr< Context >	GetContext () const

std::shared_ptr< Context >	MakeContext () const

bool	OpenPlaygroundHere (const 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
	Returns true if `OpenPlaygroundHere` will actually render anything. More...

GLProcAddressResolver	CreateGLProcAddressResolver () const

Additional Inherited Members
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 16 of file dl_playground.h.

Member Typedef Documentation

◆ DisplayListPlaygroundCallback

using impeller::DlPlayground::DisplayListPlaygroundCallback = std::function<sk_sp<flutter::DisplayList>()>

Definition at line 19 of file dl_playground.h.

Constructor & Destructor Documentation

◆ DlPlayground()

impeller::DlPlayground::DlPlayground ( )

default

◆ ~DlPlayground()

impeller::DlPlayground::~DlPlayground ( )

default

Member Function Documentation

◆ CreateDlImageForFixture()

sk_sp< flutter::DlImage > impeller::DlPlayground::CreateDlImageForFixture	(	const char *	fixture_name,
		bool	enable_mipmapping = `false`
	)		const

Definition at line 83 of file dl_playground.cc.

                                   {
   std::shared_ptr<fml::Mapping> mapping =
       flutter::testing::OpenFixtureAsMapping(fixture_name);
   std::shared_ptr<Texture> texture = Playground::CreateTextureForMapping(
       GetContext(), mapping, enable_mipmapping);
   if (texture) {
     texture->SetLabel(fixture_name);
   }
   return DlImageImpeller::Make(texture);
 }

References impeller::Playground::CreateTextureForMapping(), impeller::Playground::GetContext(), and impeller::DlImageImpeller::Make().

◆ CreateTestFont()

SkFont impeller::DlPlayground::CreateTestFont ( )

Definition at line 79 of file dl_playground.cc.

                                     {
   return CreateTestFontOfSize(50);
 }

References CreateTestFontOfSize().

◆ CreateTestFontOfSize()

SkFont impeller::DlPlayground::CreateTestFontOfSize ( SkScalar scalar )

Definition at line 71 of file dl_playground.cc.

                                                          {
   static constexpr const char* kTestFontFixture = "Roboto-Regular.ttf";
   auto mapping = flutter::testing::OpenFixtureAsSkData(kTestFontFixture);
   FML_CHECK(mapping);
   sk_sp<SkFontMgr> font_mgr = txt::GetDefaultFontManager();
   return SkFont{font_mgr->makeFromData(mapping), scalar};
 }

Referenced by CreateTestFont().

◆ MakeScreenshot()

std::unique_ptr< testing::Screenshot > impeller::DlPlayground::MakeScreenshot ( const sk_sp< flutter::DisplayList > & list )

Definition at line 66 of file dl_playground.cc.

                                            {
   return nullptr;
 }

◆ OpenPlaygroundHere() [1/3]

bool impeller::DlPlayground::OpenPlaygroundHere ( DisplayListPlaygroundCallback callback )

Definition at line 32 of file dl_playground.cc.

                                                                             {
   if (!switches_.enable_playground) {
     return true;
   }
  
   AiksContext context(GetContext(), TypographerContextSkia::Make());
   if (!context.IsValid()) {
     return false;
   }
   return Playground::OpenPlaygroundHere(
       [&context, &callback](RenderTarget& render_target) -> bool {
         static bool wireframe = false;
         if (ImGui::IsKeyPressed(ImGuiKey_Z)) {
           wireframe = !wireframe;
           context.GetContentContext().SetWireframe(wireframe);
         }
  
         auto list = callback();
         TextFrameDispatcher collector(context.GetContentContext(), Matrix(),
                                       Rect::MakeMaximum());
         list->Dispatch(collector);
  
         CanvasDlDispatcher impeller_dispatcher(
             context.GetContentContext(), render_target,
             list->root_has_backdrop_filter(), list->max_root_blend_mode(),
             IRect::MakeMaximum());
         list->Dispatch(impeller_dispatcher);
         impeller_dispatcher.FinishRecording();
         context.GetContentContext().GetTransientsBuffer().Reset();
         context.GetContentContext().GetLazyGlyphAtlas()->ResetTextFrames();
         return true;
       });
 }

References impeller::PlaygroundSwitches::enable_playground, impeller::CanvasDlDispatcher::FinishRecording(), impeller::AiksContext::GetContentContext(), impeller::Playground::GetContext(), impeller::ContentContext::GetLazyGlyphAtlas(), impeller::ContentContext::GetTransientsBuffer(), impeller::AiksContext::IsValid(), impeller::TypographerContextSkia::Make(), impeller::TRect< Scalar >::MakeMaximum(), impeller::TRect< T >::MakeMaximum(), impeller::Playground::OpenPlaygroundHere(), impeller::HostBuffer::Reset(), and impeller::Playground::switches_.

◆ OpenPlaygroundHere() [2/3]

bool impeller::DlPlayground::OpenPlaygroundHere ( flutter::DisplayListBuilder & builder )

Definition at line 24 of file dl_playground.cc.

                                                                         {
   return OpenPlaygroundHere(builder.Build());
 }

References OpenPlaygroundHere().

Referenced by OpenPlaygroundHere().

◆ OpenPlaygroundHere() [3/3]

bool impeller::DlPlayground::OpenPlaygroundHere ( sk_sp< flutter::DisplayList > list )

Definition at line 28 of file dl_playground.cc.

                                                                     {
   return OpenPlaygroundHere([&list]() { return list; });
 }