| Flutter Windows Embedder |

Classes | Typedefs | Functions
flutter_windows.h File Reference
`#include <dxgi.h>`
`#include <stddef.h>`
`#include <stdint.h>`
`#include <windows.h>`
`#include "flutter_export.h"`
`#include "flutter_messenger.h"`
`#include "flutter_plugin_registrar.h"`

Go to the source code of this file.

## Classes
struct | FlutterDesktopEngineProperties

## Typedefs
typedef void(* | VoidCallback) (void *)
typedef struct FlutterDesktopViewController * | FlutterDesktopViewControllerRef
typedef struct FlutterDesktopView * | FlutterDesktopViewRef
typedef struct FlutterDesktopEngine * | FlutterDesktopEngineRef
typedef int64_t | FlutterDesktopViewId
typedef bool(* | FlutterDesktopWindowProcCallback) (HWND, UINT, WPARAM, LPARAM, void *, LRESULT *result)

## Functions
FLUTTER_EXPORT FlutterDesktopViewControllerRef | FlutterDesktopViewControllerCreate (int width, int height, FlutterDesktopEngineRef engine)
FLUTTER_EXPORT void | FlutterDesktopViewControllerDestroy (FlutterDesktopViewControllerRef controller)
FLUTTER_EXPORT FlutterDesktopViewId | FlutterDesktopViewControllerGetViewId (FlutterDesktopViewControllerRef view_controller)
FLUTTER_EXPORT FlutterDesktopEngineRef | FlutterDesktopViewControllerGetEngine (FlutterDesktopViewControllerRef controller)
FLUTTER_EXPORT FlutterDesktopViewRef | FlutterDesktopViewControllerGetView (FlutterDesktopViewControllerRef controller)
FLUTTER_EXPORT void | FlutterDesktopViewControllerForceRedraw (FlutterDesktopViewControllerRef controller)
FLUTTER_EXPORT bool | FlutterDesktopViewControllerHandleTopLevelWindowProc (FlutterDesktopViewControllerRef controller, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam, LRESULT *result)
FLUTTER_EXPORT FlutterDesktopEngineRef | FlutterDesktopEngineCreate (const FlutterDesktopEngineProperties *engine_properties)
FLUTTER_EXPORT bool | FlutterDesktopEngineDestroy (FlutterDesktopEngineRef engine)
FLUTTER_EXPORT bool | FlutterDesktopEngineRun (FlutterDesktopEngineRef engine, const char *entry_point)
FLUTTER_EXPORT uint64_t | FlutterDesktopEngineProcessMessages (FlutterDesktopEngineRef engine)
FLUTTER_EXPORT void | FlutterDesktopEngineReloadSystemFonts (FlutterDesktopEngineRef engine)
FLUTTER_EXPORT FlutterDesktopPluginRegistrarRef | FlutterDesktopEngineGetPluginRegistrar (FlutterDesktopEngineRef engine, const char *plugin_name)
FLUTTER_EXPORT FlutterDesktopMessengerRef | FlutterDesktopEngineGetMessenger (FlutterDesktopEngineRef engine)
FLUTTER_EXPORT FlutterDesktopTextureRegistrarRef | FlutterDesktopEngineGetTextureRegistrar (FlutterDesktopEngineRef engine)
FLUTTER_EXPORT void | FlutterDesktopEngineSetNextFrameCallback (FlutterDesktopEngineRef engine, VoidCallback callback, void *user_data)
FLUTTER_EXPORT HWND | FlutterDesktopViewGetHWND (FlutterDesktopViewRef view)
FLUTTER_EXPORT IDXGIAdapter * | FlutterDesktopViewGetGraphicsAdapter (FlutterDesktopViewRef view)
FLUTTER_EXPORT bool | FlutterDesktopEngineProcessExternalWindowMessage (FlutterDesktopEngineRef engine, HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam, LRESULT *result)
FLUTTER_EXPORT FlutterDesktopViewRef | FlutterDesktopPluginRegistrarGetView (FlutterDesktopPluginRegistrarRef registrar)
FLUTTER_EXPORT FlutterDesktopViewRef | FlutterDesktopPluginRegistrarGetViewById (FlutterDesktopPluginRegistrarRef registrar, FlutterDesktopViewId view_id)
FLUTTER_EXPORT void | FlutterDesktopPluginRegistrarRegisterTopLevelWindowProcDelegate (FlutterDesktopPluginRegistrarRef registrar, FlutterDesktopWindowProcCallback delegate, void *user_data)
FLUTTER_EXPORT void | FlutterDesktopPluginRegistrarUnregisterTopLevelWindowProcDelegate (FlutterDesktopPluginRegistrarRef registrar, FlutterDesktopWindowProcCallback delegate)
FLUTTER_EXPORT UINT | FlutterDesktopGetDpiForHWND (HWND hwnd)
FLUTTER_EXPORT UINT | FlutterDesktopGetDpiForMonitor (HMONITOR monitor)
FLUTTER_EXPORT void | FlutterDesktopResyncOutputStreams ()

## Typedef Documentation

## ◆ FlutterDesktopEngineRef

typedef struct FlutterDesktopEngine* FlutterDesktopEngineRef

Definition at line 33 of file flutter_windows.h.

## ◆ FlutterDesktopViewControllerRef

typedef struct FlutterDesktopViewController* FlutterDesktopViewControllerRef

Definition at line 25 of file flutter_windows.h.

## ◆ FlutterDesktopViewId

typedef int64_t FlutterDesktopViewId

Definition at line 36 of file flutter_windows.h.

## ◆ FlutterDesktopViewRef

typedef struct FlutterDesktopView* FlutterDesktopViewRef

Definition at line 29 of file flutter_windows.h.

## ◆ FlutterDesktopWindowProcCallback

typedef bool(* FlutterDesktopWindowProcCallback) (HWND, UINT, WPARAM, LPARAM, void *, LRESULT *result)

Definition at line 245 of file flutter_windows.h.

## ◆ VoidCallback

typedef void(* VoidCallback) (void *)

Definition at line 21 of file flutter_windows.h.

## Function Documentation

## ◆ FlutterDesktopEngineCreate()

FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopEngineCreate | ( | const FlutterDesktopEngineProperties * | engine_properties | ) |

Definition at line 183 of file flutter_windows.cc.

184 {
185 flutter::FlutterProjectBundle project(*engine_properties);
186 auto engine = std::make_unique<flutter::FlutterWindowsEngine>(project);
187 return HandleForEngine(engine.release());
188 }
flutter::FlutterProjectBundle
Definition: flutter_project_bundle.h:21
HandleForEngine
static FlutterDesktopEngineRef HandleForEngine(flutter::FlutterWindowsEngine *engine)
Definition: flutter_windows.cc:38

References HandleForEngine().

Referenced by flutter::FlutterEngine::FlutterEngine(), and flutter::testing::TEST().

## ◆ FlutterDesktopEngineDestroy()

FLUTTER_EXPORT bool FlutterDesktopEngineDestroy | ( | FlutterDesktopEngineRef | engine | ) |

Definition at line 190 of file flutter_windows.cc.

190 {
191 flutter::FlutterWindowsEngine* engine = EngineFromHandle(engine_ref);
192 bool result = true;
193 if (engine->running()) {
194 result = engine->Stop();
195 }
196 delete engine;
197 return result;
198 }
flutter::FlutterWindowsEngine
Definition: flutter_windows_engine.h:90
flutter::FlutterWindowsEngine::running
virtual bool running() const
Definition: flutter_windows_engine.h:117
flutter::FlutterWindowsEngine::Stop
virtual bool Stop()
Definition: flutter_windows_engine.cc:483
EngineFromHandle
static flutter::FlutterWindowsEngine * EngineFromHandle(FlutterDesktopEngineRef ref)
Definition: flutter_windows.cc:32

References EngineFromHandle(), flutter::FlutterWindowsEngine::running(), and flutter::FlutterWindowsEngine::Stop().

Referenced by flutter::FlutterEngine::ShutDown(), and flutter::testing::TEST().

## ◆ FlutterDesktopEngineGetMessenger()

FLUTTER_EXPORT FlutterDesktopMessengerRef FlutterDesktopEngineGetMessenger | ( | FlutterDesktopEngineRef | engine | ) |

Definition at line 228 of file flutter_windows.cc.

229 {
230 return EngineFromHandle(engine)->messenger();
231 }
flutter::FlutterWindowsEngine::messenger
FlutterDesktopMessengerRef messenger()
Definition: flutter_windows_engine.h:149

References EngineFromHandle(), and flutter::FlutterWindowsEngine::messenger().

Referenced by flutter::FlutterEngine::FlutterEngine().

## ◆ FlutterDesktopEngineGetPluginRegistrar()

FLUTTER_EXPORT FlutterDesktopPluginRegistrarRef FlutterDesktopEngineGetPluginRegistrar | ( | FlutterDesktopEngineRef | engine,
|  | const char * | plugin_name
| ) |  |

Definition at line 218 of file flutter_windows.cc.

220 {
221 // Currently, one registrar acts as the registrar for all plugins, so the
222 // name is ignored. It is part of the API to reduce churn in the future when
223 // aligning more closely with the Flutter registrar system.
224
225 return EngineFromHandle(engine)->GetRegistrar();
226 }
flutter::FlutterWindowsEngine::GetRegistrar
FlutterDesktopPluginRegistrarRef GetRegistrar()
Definition: flutter_windows_engine.cc:669

References EngineFromHandle(), and flutter::FlutterWindowsEngine::GetRegistrar().

Referenced by flutter::FlutterEngine::GetRegistrarForPlugin(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopEngineGetTextureRegistrar()

FLUTTER_EXPORT FlutterDesktopTextureRegistrarRef FlutterDesktopEngineGetTextureRegistrar | ( | FlutterDesktopEngineRef | engine | ) |

Definition at line 233 of file flutter_windows.cc.

234 {
235 return HandleForTextureRegistrar(
236 EngineFromHandle(engine)->texture_registrar());
237 }
HandleForTextureRegistrar
static FlutterDesktopTextureRegistrarRef HandleForTextureRegistrar(flutter::FlutterWindowsTextureRegistrar *registrar)
Definition: flutter_windows.cc:70

References EngineFromHandle(), and HandleForTextureRegistrar().

Referenced by flutter::testing::TEST().

## ◆ FlutterDesktopEngineProcessExternalWindowMessage()

FLUTTER_EXPORT bool FlutterDesktopEngineProcessExternalWindowMessage | ( | FlutterDesktopEngineRef | engine,
|  | HWND | hwnd,
|  | UINT | message,
|  | WPARAM | wparam,
|  | LPARAM | lparam,
|  | LRESULT * | result
| ) |  |

Definition at line 266 of file flutter_windows.cc.

272 {
273 std::optional<LRESULT> lresult =
274 EngineFromHandle(engine)->ProcessExternalWindowMessage(hwnd, message,
275 wparam, lparam);
276 if (result && lresult.has_value()) {
277 *result = lresult.value();
278 }
279 return lresult.has_value();
280 }
flutter::FlutterWindowsEngine::ProcessExternalWindowMessage
std::optional< LRESULT > ProcessExternalWindowMessage(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
Definition: flutter_windows_engine.cc:967
message
Win32Message message
Definition: keyboard_unittests.cc:137

References EngineFromHandle(), message, and flutter::FlutterWindowsEngine::ProcessExternalWindowMessage().

Referenced by flutter::FlutterEngine::ProcessExternalWindowMessage().

## ◆ FlutterDesktopEngineProcessMessages()

FLUTTER_EXPORT uint64_t FlutterDesktopEngineProcessMessages | ( | FlutterDesktopEngineRef | engine | ) |

Definition at line 210 of file flutter_windows.cc.

210 {
211 return std::chrono::nanoseconds::max().count();
212 }

Referenced by flutter::FlutterEngine::ProcessMessages().

## ◆ FlutterDesktopEngineReloadSystemFonts()

FLUTTER_EXPORT void FlutterDesktopEngineReloadSystemFonts | ( | FlutterDesktopEngineRef | engine | ) |

Definition at line 214 of file flutter_windows.cc.

214 {
215 EngineFromHandle(engine)->ReloadSystemFonts();
216 }
flutter::FlutterWindowsEngine::ReloadSystemFonts
void ReloadSystemFonts()
Definition: flutter_windows_engine.cc:755

References EngineFromHandle(), and flutter::FlutterWindowsEngine::ReloadSystemFonts().

Referenced by flutter::FlutterEngine::ReloadSystemFonts().

## ◆ FlutterDesktopEngineRun()

FLUTTER_EXPORT bool FlutterDesktopEngineRun | ( | FlutterDesktopEngineRef | engine,
|  | const char * | entry_point
| ) |  |

Definition at line 200 of file flutter_windows.cc.

201 {
202 std::string_view entry_point_view{""};
203 if (entry_point != nullptr) {
204 entry_point_view = entry_point;
205 }
206
207 return EngineFromHandle(engine)->Run(entry_point_view);
208 }
flutter::FlutterWindowsEngine::Run
bool Run()
Definition: flutter_windows_engine.cc:239

References EngineFromHandle(), and flutter::FlutterWindowsEngine::Run().

Referenced by flutter::FlutterEngine::Run(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopEngineSetNextFrameCallback()

FLUTTER_EXPORT void FlutterDesktopEngineSetNextFrameCallback | ( | FlutterDesktopEngineRef | engine,
|  | VoidCallback | callback,
|  | void * | user_data
| ) |  |

Definition at line 239 of file flutter_windows.cc.

241 {
242 EngineFromHandle(engine)->SetNextFrameCallback(
243 [callback, user_data]() { callback(user_data); });
244 }
flutter::FlutterWindowsEngine::SetNextFrameCallback
void SetNextFrameCallback(fml::closure callback)
Definition: flutter_windows_engine.cc:763
user_data
void * user_data
Definition: flutter_windows_view_unittests.cc:53
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:52

References callback, EngineFromHandle(), flutter::FlutterWindowsEngine::SetNextFrameCallback(), and user_data.

Referenced by flutter::FlutterEngine::SetNextFrameCallback(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopGetDpiForHWND()

FLUTTER_EXPORT UINT FlutterDesktopGetDpiForHWND | ( | HWND | hwnd | ) |

Definition at line 316 of file flutter_windows.cc.

316 {
317 return flutter::GetDpiForHWND(hwnd);
318 }
flutter::GetDpiForHWND
UINT GetDpiForHWND(HWND hwnd)
Definition: dpi_utils.cc:130

References flutter::GetDpiForHWND().

## ◆ FlutterDesktopGetDpiForMonitor()

FLUTTER_EXPORT UINT FlutterDesktopGetDpiForMonitor | ( | HMONITOR | monitor | ) |

Definition at line 320 of file flutter_windows.cc.

320 {
321 return flutter::GetDpiForMonitor(monitor);
322 }
flutter::GetDpiForMonitor
UINT GetDpiForMonitor(HMONITOR monitor)
Definition: dpi_utils.cc:134

References flutter::GetDpiForMonitor().

## ◆ FlutterDesktopPluginRegistrarGetView()

FLUTTER_EXPORT FlutterDesktopViewRef FlutterDesktopPluginRegistrarGetView | ( | FlutterDesktopPluginRegistrarRef | registrar | ) |

Definition at line 290 of file flutter_windows.cc.

291 {
292 return HandleForView(registrar->engine->view(flutter::kImplicitViewId));
293 }
flutter::FlutterWindowsEngine::view
FlutterWindowsView * view(FlutterViewId view_id) const
Definition: flutter_windows_engine.cc:657
HandleForView
static FlutterDesktopViewRef HandleForView(flutter::FlutterWindowsView *view)
Definition: flutter_windows.cc:59
flutter::kImplicitViewId
constexpr FlutterViewId kImplicitViewId
Definition: flutter_windows_engine.h:55
FlutterDesktopPluginRegistrar::engine
flutter::FlutterWindowsEngine * engine
Definition: window_state.h:25

References FlutterDesktopPluginRegistrar::engine, HandleForView(), flutter::kImplicitViewId, and flutter::FlutterWindowsEngine::view().

Referenced by flutter::PluginRegistrarWindows::PluginRegistrarWindows(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopPluginRegistrarGetViewById()

FLUTTER_EXPORT FlutterDesktopViewRef FlutterDesktopPluginRegistrarGetViewById | ( | FlutterDesktopPluginRegistrarRef | registrar,
|  | FlutterDesktopViewId | view_id
| ) |  |

Definition at line 295 of file flutter_windows.cc.

297 {
298 return HandleForView(registrar->engine->view(view_id));
299 }

References FlutterDesktopPluginRegistrar::engine, HandleForView(), and flutter::FlutterWindowsEngine::view().

Referenced by flutter::PluginRegistrarWindows::GetViewById(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopPluginRegistrarRegisterTopLevelWindowProcDelegate()

FLUTTER_EXPORT void FlutterDesktopPluginRegistrarRegisterTopLevelWindowProcDelegate | ( | FlutterDesktopPluginRegistrarRef | registrar,
|  | FlutterDesktopWindowProcCallback | delegate,
|  | void * | user_data
| ) |  |

Definition at line 301 of file flutter_windows.cc.

304 {
305 registrar->engine->window_proc_delegate_manager()
306 ->RegisterTopLevelWindowProcDelegate(delegate, user_data);
307 }
flutter::FlutterWindowsEngine::window_proc_delegate_manager
WindowProcDelegateManager * window_proc_delegate_manager()
Definition: flutter_windows_engine.h:167
flutter::WindowProcDelegateManager::RegisterTopLevelWindowProcDelegate
void RegisterTopLevelWindowProcDelegate(FlutterDesktopWindowProcCallback callback, void *user_data)
Definition: window_proc_delegate_manager.cc:16

References FlutterDesktopPluginRegistrar::engine, flutter::WindowProcDelegateManager::RegisterTopLevelWindowProcDelegate(), user_data, and flutter::FlutterWindowsEngine::window_proc_delegate_manager().

Referenced by flutter::PluginRegistrarWindows::RegisterTopLevelWindowProcDelegate().

## ◆ FlutterDesktopPluginRegistrarUnregisterTopLevelWindowProcDelegate()

FLUTTER_EXPORT void FlutterDesktopPluginRegistrarUnregisterTopLevelWindowProcDelegate | ( | FlutterDesktopPluginRegistrarRef | registrar,
|  | FlutterDesktopWindowProcCallback | delegate
| ) |  |

Definition at line 309 of file flutter_windows.cc.

311 {
312 registrar->engine->window_proc_delegate_manager()
313 ->UnregisterTopLevelWindowProcDelegate(delegate);
314 }
flutter::WindowProcDelegateManager::UnregisterTopLevelWindowProcDelegate
void UnregisterTopLevelWindowProcDelegate(FlutterDesktopWindowProcCallback callback)
Definition: window_proc_delegate_manager.cc:27

References FlutterDesktopPluginRegistrar::engine, flutter::WindowProcDelegateManager::UnregisterTopLevelWindowProcDelegate(), and flutter::FlutterWindowsEngine::window_proc_delegate_manager().

Referenced by flutter::PluginRegistrarWindows::UnregisterTopLevelWindowProcDelegate().

## ◆ FlutterDesktopResyncOutputStreams()

FLUTTER_EXPORT void FlutterDesktopResyncOutputStreams | ( |  | ) |

Definition at line 324 of file flutter_windows.cc.

324 {
325 FILE* unused;
326 if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
327 _dup2(_fileno(stdout), 1);
328 }
329 if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
330 _dup2(_fileno(stdout), 2);
331 }
332 std::ios::sync_with_stdio();
333 }

## ◆ FlutterDesktopViewControllerCreate()

FLUTTER_EXPORT FlutterDesktopViewControllerRef FlutterDesktopViewControllerCreate | ( | int | width,
|  | int | height,
|  | FlutterDesktopEngineRef | engine
| ) |  |

Definition at line 121 of file flutter_windows.cc.

124 {
125 return CreateViewController(engine, width, height, /*owns_engine=*/true);
126 }
CreateViewController
static FlutterDesktopViewControllerRef CreateViewController(FlutterDesktopEngineRef engine_ref, int width, int height, bool owns_engine)
Definition: flutter_windows.cc:79

References CreateViewController().

Referenced by flutter::FlutterViewController::FlutterViewController(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopViewControllerDestroy()

FLUTTER_EXPORT void FlutterDesktopViewControllerDestroy | ( | FlutterDesktopViewControllerRef | controller | ) |

Definition at line 135 of file flutter_windows.cc.

135 {
136 auto controller = ViewControllerFromHandle(ref);
137 controller->Destroy();
138 delete controller;
139 }
ViewControllerFromHandle
static flutter::FlutterWindowsViewController * ViewControllerFromHandle(FlutterDesktopViewControllerRef ref)
Definition: flutter_windows.cc:43

References ViewControllerFromHandle().

Referenced by flutter::FlutterViewController::~FlutterViewController().

## ◆ FlutterDesktopViewControllerForceRedraw()

FLUTTER_EXPORT void FlutterDesktopViewControllerForceRedraw | ( | FlutterDesktopViewControllerRef | controller | ) |

Definition at line 159 of file flutter_windows.cc.

160 {
161 auto controller = ViewControllerFromHandle(ref);
162 controller->view()->ForceRedraw();
163 }

References ViewControllerFromHandle().

Referenced by flutter::FlutterViewController::ForceRedraw().

## ◆ FlutterDesktopViewControllerGetEngine()

FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopViewControllerGetEngine | ( | FlutterDesktopViewControllerRef | controller | ) |

Definition at line 147 of file flutter_windows.cc.

148 {
149 auto controller = ViewControllerFromHandle(ref);
150 return HandleForEngine(controller->engine());
151 }

References HandleForEngine(), and ViewControllerFromHandle().

Referenced by flutter::testing::TEST_F().

## ◆ FlutterDesktopViewControllerGetView()

FLUTTER_EXPORT FlutterDesktopViewRef FlutterDesktopViewControllerGetView | ( | FlutterDesktopViewControllerRef | controller | ) |

Definition at line 153 of file flutter_windows.cc.

154 {
155 auto controller = ViewControllerFromHandle(ref);
156 return HandleForView(controller->view());
157 }

References HandleForView(), and ViewControllerFromHandle().

Referenced by flutter::FlutterViewController::FlutterViewController(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopViewControllerGetViewId()

FLUTTER_EXPORT FlutterDesktopViewId FlutterDesktopViewControllerGetViewId | ( | FlutterDesktopViewControllerRef | view_controller | ) |

Definition at line 141 of file flutter_windows.cc.

142 {
143 auto controller = ViewControllerFromHandle(ref);
144 return static_cast<FlutterDesktopViewId>(controller->view()->view_id());
145 }
FlutterDesktopViewId
int64_t FlutterDesktopViewId
Definition: flutter_windows.h:36

References ViewControllerFromHandle().

Referenced by flutter::testing::TEST_F(), and flutter::FlutterViewController::view_id().

## ◆ FlutterDesktopViewControllerHandleTopLevelWindowProc()

FLUTTER_EXPORT bool FlutterDesktopViewControllerHandleTopLevelWindowProc | ( | FlutterDesktopViewControllerRef | controller,
|  | HWND | hwnd,
|  | UINT | message,
|  | WPARAM | wparam,
|  | LPARAM | lparam,
|  | LRESULT * | result
| ) |  |

Definition at line 165 of file flutter_windows.cc.

171 {
172 auto controller = ViewControllerFromHandle(ref);
173 std::optional<LRESULT> delegate_result =
174 controller->engine()
175 ->window_proc_delegate_manager()
176 ->OnTopLevelWindowProc(hwnd, message, wparam, lparam);
177 if (delegate_result) {
178 *result = *delegate_result;
179 }
180 return delegate_result.has_value();
181 }

References message, and ViewControllerFromHandle().

Referenced by flutter::FlutterViewController::HandleTopLevelWindowProc().

## ◆ FlutterDesktopViewGetGraphicsAdapter()

FLUTTER_EXPORT IDXGIAdapter* FlutterDesktopViewGetGraphicsAdapter | ( | FlutterDesktopViewRef | view | ) |

Definition at line 250 of file flutter_windows.cc.

250 {
251 auto egl_manager = ViewFromHandle(view)->GetEngine()->egl_manager();
252 if (egl_manager) {
253 Microsoft::WRL::ComPtr<ID3D11Device> d3d_device;
254 Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device;
255 if (egl_manager->GetDevice(d3d_device.GetAddressOf()) &&
256 SUCCEEDED(d3d_device.As(&dxgi_device))) {
257 IDXGIAdapter* adapter;
258 if (SUCCEEDED(dxgi_device->GetAdapter(&adapter))) {
259 return adapter;
260 }
261 }
262 }
263 return nullptr;
264 }
flutter::FlutterWindowsEngine::egl_manager
egl::Manager * egl_manager() const
Definition: flutter_windows_engine.h:165
flutter::FlutterWindowsView::GetEngine
FlutterWindowsEngine * GetEngine() const
Definition: flutter_windows_view.cc:765
ViewFromHandle
static flutter::FlutterWindowsView * ViewFromHandle(FlutterDesktopViewRef ref)
Definition: flutter_windows.cc:54

References flutter::FlutterWindowsEngine::egl_manager(), flutter::FlutterWindowsView::GetEngine(), and ViewFromHandle().

Referenced by flutter::FlutterView::GetGraphicsAdapter(), and flutter::testing::TEST_F().

## ◆ FlutterDesktopViewGetHWND()

FLUTTER_EXPORT HWND FlutterDesktopViewGetHWND | ( | FlutterDesktopViewRef | view | ) |

Definition at line 246 of file flutter_windows.cc.

246 {
247 return ViewFromHandle(view)->GetWindowHandle();
248 }
flutter::FlutterWindowsView::GetWindowHandle
virtual HWND GetWindowHandle() const
Definition: flutter_windows_view.cc:761

References flutter::FlutterWindowsView::GetWindowHandle(), and ViewFromHandle().

Referenced by flutter::FlutterView::GetNativeWindow(), and flutter::testing::TEST_F().