[windows] Fixed /windows high CPU usage

analysis_options.yaml

@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

windows/flutter/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.14)
 
 set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
 
@@ -23,6 +23,7 @@ list(APPEND FLUTTER_LIBRARY_HEADERS
   "flutter_windows.h"
   "flutter_messenger.h"
   "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
 )
 list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
 add_library(flutter INTERFACE)

windows/runner/CMakeLists.txt

@@ -4,7 +4,6 @@ project(runner LANGUAGES CXX)
 add_executable(${BINARY_NAME} WIN32
   "flutter_window.cpp"
   "main.cpp"
-  "run_loop.cpp"
   "utils.cpp"
   "win32_window.cpp"
   "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"

windows/runner/Runner.rc

@@ -63,13 +63,13 @@ IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
 #ifdef FLUTTER_BUILD_NUMBER
 #define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER
 #else
-#define VERSION_AS_NUMBER 0,3,2
+#define VERSION_AS_NUMBER 1,0,0
 #endif
 
 #ifdef FLUTTER_BUILD_NAME
 #define VERSION_AS_STRING #FLUTTER_BUILD_NAME
 #else
-#define VERSION_AS_STRING "0.3.2"
+#define VERSION_AS_STRING "1.0.0"
 #endif
 
 VS_VERSION_INFO VERSIONINFO

windows/runner/flutter_window.cpp

@@ -4,9 +4,8 @@
 
 #include "flutter/generated_plugin_registrant.h"
 
-FlutterWindow::FlutterWindow(RunLoop* run_loop,
-                             const flutter::DartProject& project)
-    : run_loop_(run_loop), project_(project) {}
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
 
 FlutterWindow::~FlutterWindow() {}
 
@@ -26,14 +25,12 @@ bool FlutterWindow::OnCreate() {
     return false;
   }
   RegisterPlugins(flutter_controller_->engine());
-  run_loop_->RegisterFlutterInstance(flutter_controller_->engine());
   SetChildContent(flutter_controller_->view()->GetNativeWindow());
   return true;
 }
 
 void FlutterWindow::OnDestroy() {
   if (flutter_controller_) {
-    run_loop_->UnregisterFlutterInstance(flutter_controller_->engine());
     flutter_controller_ = nullptr;
   }
 
@@ -44,7 +41,7 @@ LRESULT
 FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
                               WPARAM const wparam,
                               LPARAM const lparam) noexcept {
-  // Give Flutter, including plugins, an opporutunity to handle window messages.
+  // Give Flutter, including plugins, an opportunity to handle window messages.
   if (flutter_controller_) {
     std::optional<LRESULT> result =
         flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,

windows/runner/flutter_window.h

@@ -6,16 +6,13 @@
 
 #include <memory>
 
-#include "run_loop.h"
 #include "win32_window.h"
 
 // A window that does nothing but host a Flutter view.
 class FlutterWindow : public Win32Window {
  public:
-  // Creates a new FlutterWindow driven by the |run_loop|, hosting a
-  // Flutter view running |project|.
-  explicit FlutterWindow(RunLoop* run_loop,
-                         const flutter::DartProject& project);
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
   virtual ~FlutterWindow();
 
  protected:
@@ -26,9 +23,6 @@ class FlutterWindow : public Win32Window {
                          LPARAM const lparam) noexcept override;
 
  private:
-  // The run loop driving events for this window.
-  RunLoop* run_loop_;
-
   // The project to run.
   flutter::DartProject project_;
 

windows/runner/main.cpp

@@ -3,7 +3,6 @@
 #include <windows.h>
 
 #include "flutter_window.h"
-#include "run_loop.h"
 #include "utils.h"
 
 int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
@@ -25,24 +24,26 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   // plugins.
   ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
-  RunLoop run_loop;
-
   flutter::DartProject project(L"data");
 
   std::vector<std::string> command_line_arguments =
       GetCommandLineArguments();
 
   project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
 
-  FlutterWindow window(&run_loop, project);
+  FlutterWindow window(project);
   Win32Window::Point origin(10, 10);
   Win32Window::Size size(380, 185);
   if (!window.CreateAndShow(L"biyi", origin, size)) {
     return EXIT_FAILURE;
   }
   window.SetQuitOnClose(true);
 
-  run_loop.Run();
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
 
   ::CoUninitialize();
   return EXIT_SUCCESS;