Flutter Impeller
impeller::PlaygroundImplMTL Class Referencefinal

#include <playground_impl_mtl.h>

Inheritance diagram for impeller::PlaygroundImplMTL:
impeller::PlaygroundImpl

Classes

struct  Data
 

Public Member Functions

 PlaygroundImplMTL (PlaygroundSwitches switches)
 
 ~PlaygroundImplMTL ()
 
fml::Status SetCapabilities (const std::shared_ptr< Capabilities > &capabilities) override
 
- Public Member Functions inherited from impeller::PlaygroundImpl
virtual ~PlaygroundImpl ()
 
Vector2 GetContentScale () const
 
virtual Playground::GLProcAddressResolver CreateGLProcAddressResolver () const
 
virtual Playground::VKProcAddressResolver CreateVKProcAddressResolver () const
 

Additional Inherited Members

- Public Types inherited from impeller::PlaygroundImpl
using WindowHandle = void *
 
- Static Public Member Functions inherited from impeller::PlaygroundImpl
static std::unique_ptr< PlaygroundImplCreate (PlaygroundBackend backend, PlaygroundSwitches switches)
 
- Protected Member Functions inherited from impeller::PlaygroundImpl
 PlaygroundImpl (PlaygroundSwitches switches)
 
- Protected Attributes inherited from impeller::PlaygroundImpl
const PlaygroundSwitches switches_
 

Detailed Description

Definition at line 20 of file playground_impl_mtl.h.

Constructor & Destructor Documentation

◆ PlaygroundImplMTL()

impeller::PlaygroundImplMTL::PlaygroundImplMTL ( PlaygroundSwitches  switches)
explicit

Definition at line 65 of file playground_impl_mtl.mm.

66  : PlaygroundImpl(switches),
67  handle_(nullptr, &DestroyWindowHandle),
68  data_(std::make_unique<Data>()),
69  concurrent_loop_(fml::ConcurrentMessageLoop::Create()),
70  is_gpu_disabled_sync_switch_(new fml::SyncSwitch(false)) {
71  ::glfwDefaultWindowHints();
72  ::glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
73  ::glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
74  auto window = ::glfwCreateWindow(1, 1, "Test", nullptr, nullptr);
75  if (!window) {
76  return;
77  }
78 
79  auto context = ContextMTL::Create(
80  switches.flags, ShaderLibraryMappingsForPlayground(),
81  is_gpu_disabled_sync_switch_, "Playground Library",
82  switches.enable_wide_gamut
83  ? std::optional<PixelFormat>(PixelFormat::kB10G10R10A10XR)
84  : std::nullopt);
85  if (!context) {
86  return;
87  }
88  NSWindow* cocoa_window = ::glfwGetCocoaWindow(window);
89  if (cocoa_window == nil) {
90  return;
91  }
92  data_->metal_layer = [CAMetalLayer layer];
93  data_->metal_layer.device = ContextMTL::Cast(*context).GetMTLDevice();
94  data_->metal_layer.pixelFormat =
95  ToMTLPixelFormat(context->GetCapabilities()->GetDefaultColorFormat());
96  data_->metal_layer.framebufferOnly = NO;
97  cocoa_window.contentView.layer = data_->metal_layer;
98  cocoa_window.contentView.wantsLayer = YES;
99 
100  handle_.reset(window);
101  context_ = std::move(context);
102  swapchain_transients_ = std::make_shared<SwapchainTransientsMTL>(
103  context_->GetResourceAllocator());
104 }
static ContextMTL & Cast(Context &base)
Definition: backend_cast.h:13
static std::shared_ptr< ContextMTL > Create(const Flags &flags, const std::vector< std::string > &shader_library_paths, std::shared_ptr< const fml::SyncSwitch > is_gpu_disabled_sync_switch)
Definition: context_mtl.mm:229
id< MTLDevice > GetMTLDevice() const
Definition: context_mtl.mm:361
PlaygroundImpl(PlaygroundSwitches switches)
ScopedObject< Object > Create(CtorArgs &&... args)
Definition: object.h:161
static std::vector< std::shared_ptr< fml::Mapping > > ShaderLibraryMappingsForPlayground()
constexpr MTLPixelFormat ToMTLPixelFormat(PixelFormat format)
Definition: formats_mtl.h:76

References impeller::BackendCast< ContextMTL, Context >::Cast(), impeller::ContextMTL::Create(), impeller::PlaygroundSwitches::enable_wide_gamut, impeller::PlaygroundSwitches::flags, impeller::ContextMTL::GetMTLDevice(), impeller::kB10G10R10A10XR, impeller::ShaderLibraryMappingsForPlayground(), and impeller::ToMTLPixelFormat().

◆ ~PlaygroundImplMTL()

impeller::PlaygroundImplMTL::~PlaygroundImplMTL ( )
default

Member Function Documentation

◆ SetCapabilities()

fml::Status impeller::PlaygroundImplMTL::SetCapabilities ( const std::shared_ptr< Capabilities > &  capabilities)
overridevirtual

Implements impeller::PlaygroundImpl.

Definition at line 135 of file playground_impl_mtl.mm.

136  {
137  context_->SetCapabilities(capabilities);
138  return fml::Status();
139 }

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