#include <entity_playground.h>

Inheritance diagram for impeller::EntityPlayground:

Public Types
using	EntityPlaygroundCallback = std::function< bool(ContentContext &context, RenderPass &pass)>

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

Public Member Functions
	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
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 18 of file entity_playground.h.

Member Typedef Documentation

◆ EntityPlaygroundCallback

using impeller::EntityPlayground::EntityPlaygroundCallback = std::function<bool(ContentContext& context, RenderPass& pass)>

Definition at line 20 of file entity_playground.h.

Constructor & Destructor Documentation

◆ EntityPlayground()

impeller::EntityPlayground::EntityPlayground ( )

Definition at line 13 of file entity_playground.cc.

14 : typographer_context_(TypographerContextSkia::Make()) {}

impeller::TypographerContextSkia::Make

static std::shared_ptr< TypographerContext > Make()

Definition typographer_context_skia.cc:32

◆ ~EntityPlayground()

impeller::EntityPlayground::~EntityPlayground ( )

default

Member Function Documentation

◆ GetContentContext()

std::shared_ptr< ContentContext > impeller::EntityPlayground::GetContentContext ( ) const

Definition at line 45 of file entity_playground.cc.

                                                                        {
  return std::make_shared<ContentContext>(GetContext(), typographer_context_);
}

◆ OpenPlaygroundHere() [1/3]

bool impeller::EntityPlayground::OpenPlaygroundHere ( Entity entity )

Definition at line 49 of file entity_playground.cc.

                                                       {
  if (!switches_.enable_playground) {
    return true;
  }
 
  auto content_context = GetContentContext();
  if (!content_context->IsValid()) {
    return false;
  }
  SinglePassCallback callback = [&](RenderPass& pass) -> bool {
    content_context->GetRenderTargetCache()->Start();
    bool result = entity.Render(*content_context, pass);
    content_context->GetRenderTargetCache()->End();
    content_context->GetTransientsBuffer().Reset();
    return result;
  };
  return Playground::OpenPlaygroundHere(callback);
}

◆ OpenPlaygroundHere() [2/3]

bool impeller::EntityPlayground::OpenPlaygroundHere ( EntityPass & entity_pass )

Definition at line 23 of file entity_playground.cc.

                                                                 {
  if (!switches_.enable_playground) {
    return true;
  }
 
  ContentContext content_context(GetContext(), typographer_context_);
  if (!content_context.IsValid()) {
    return false;
  }
 
  // Resolve any lingering tracked clips by assigning an arbitrarily high
  // number. The number to assign just needs to be at least as high as larger
  // any previously assigned clip depth in the scene. Normally, Aiks handles
  // this correctly when wrapping up the base pass as an `impeller::Picture`.
  entity_pass.PopAllClips(99999);
 
  auto callback = [&](RenderTarget& render_target) -> bool {
    return entity_pass.Render(content_context, render_target);
  };
  return Playground::OpenPlaygroundHere(callback);
}

◆ OpenPlaygroundHere() [3/3]

bool impeller::EntityPlayground::OpenPlaygroundHere ( EntityPlaygroundCallback callback )

Definition at line 68 of file entity_playground.cc.

                                                                           {
  if (!switches_.enable_playground) {
    return true;
  }
 
  ContentContext content_context(GetContext(), typographer_context_);
  if (!content_context.IsValid()) {
    return false;
  }
  SinglePassCallback pass_callback = [&](RenderPass& pass) -> bool {
    static bool wireframe = false;
    if (ImGui::IsKeyPressed(ImGuiKey_Z)) {
      wireframe = !wireframe;
      content_context.SetWireframe(wireframe);
    }
    content_context.GetRenderTargetCache()->Start();
    bool result = callback(content_context, pass);
    content_context.GetRenderTargetCache()->End();
    content_context.GetTransientsBuffer().Reset();
    return result;
  };
  return Playground::OpenPlaygroundHere(pass_callback);
}

◆ SetTypographerContext()

void impeller::EntityPlayground::SetTypographerContext ( std::shared_ptr< TypographerContext > typographer_context )

Definition at line 18 of file entity_playground.cc.

                                                           {
  typographer_context_ = std::move(typographer_context);
}

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

impeller/entity/entity_playground.h
impeller/entity/entity_playground.cc

Public Types

Public Member Functions

Additional Inherited Members