impeller::PlaygroundImpl Class Reference

#include <playground_impl.h>

Inheritance diagram for impeller::PlaygroundImpl:

Public Types
using	WindowHandle = void *

Public Member Functions
virtual	~PlaygroundImpl ()
virtual WindowHandle	GetWindowHandle () const =0
virtual std::shared_ptr< Context >	GetContext () const =0
virtual std::unique_ptr< Surface >	AcquireSurfaceFrame (std::shared_ptr< Context > context)=0
Vector2	GetContentScale () const

Static Public Member Functions
static std::unique_ptr< PlaygroundImpl >	Create (PlaygroundBackend backend, PlaygroundSwitches switches)

Protected Member Functions
	PlaygroundImpl (PlaygroundSwitches switches)

Protected Attributes
const PlaygroundSwitches	switches_

Detailed Description

Definition at line 17 of file playground_impl.h.

Member Typedef Documentation

WindowHandle

using impeller::PlaygroundImpl::WindowHandle = void*

Definition at line 24 of file playground_impl.h.

Constructor & Destructor Documentation

~PlaygroundImpl()

impeller::PlaygroundImpl::~PlaygroundImpl ( )

virtualdefault

PlaygroundImpl()

impeller::PlaygroundImpl::PlaygroundImpl ( PlaygroundSwitches  switches )

explicitprotected

Definition at line 48 of file playground_impl.cc.

    : switches_(switches) {}

Member Function Documentation

AcquireSurfaceFrame()

virtual std::unique_ptr<Surface> impeller::PlaygroundImpl::AcquireSurfaceFrame ( std::shared_ptr< Context >  context )

pure virtual

Create()

std::unique_ptr< PlaygroundImpl > impeller::PlaygroundImpl::Create ( PlaygroundBackend  backend, PlaygroundSwitches  switches  )

static

Definition at line 24 of file playground_impl.cc.

                                 {
  switch (backend) {
#if IMPELLER_ENABLE_METAL
    case PlaygroundBackend::kMetal:
      return std::make_unique<PlaygroundImplMTL>(switches);
#endif  // IMPELLER_ENABLE_METAL
#if IMPELLER_ENABLE_OPENGLES
    case PlaygroundBackend::kOpenGLES:
      return std::make_unique<PlaygroundImplGLES>(switches);
#endif  // IMPELLER_ENABLE_OPENGLES
#if IMPELLER_ENABLE_VULKAN
    case PlaygroundBackend::kVulkan:
      return std::make_unique<PlaygroundImplVK>(switches);
#endif  // IMPELLER_ENABLE_VULKAN
    default:
      FML_CHECK(false) << "Attempted to create playground with backend that "
                          "isn't available or was disabled on this platform: "
                       << PlaygroundBackendToString(backend);
  }
  FML_UNREACHABLE();
}

References impeller::kMetal, impeller::kOpenGLES, impeller::kVulkan, and impeller::PlaygroundBackendToString().

Referenced by impeller::testing::MetalScreenshoter::MetalScreenshoter(), and impeller::Playground::SetupContext().

GetContentScale()

Vector2 impeller::PlaygroundImpl::GetContentScale

(

)

const

Definition at line 53 of file playground_impl.cc.

                                              {
  auto window = reinterpret_cast<GLFWwindow*>(GetWindowHandle());
 
  Vector2 scale(1, 1);
  ::glfwGetWindowContentScale(window, &scale.x, &scale.y);
 
  return scale;
}

References GetWindowHandle(), impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

GetContext()

virtual std::shared_ptr<Context> impeller::PlaygroundImpl::GetContext ( ) const

pure virtual

GetWindowHandle()

virtual WindowHandle impeller::PlaygroundImpl::GetWindowHandle ( ) const

pure virtual

Referenced by GetContentScale().

Member Data Documentation

switches_

const PlaygroundSwitches impeller::PlaygroundImpl::switches_

protected

Definition at line 36 of file playground_impl.h.

Referenced by impeller::PlaygroundImplVK::PlaygroundImplVK().

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

• impeller/playground/playground_impl.h
• impeller/playground/playground_impl.cc