mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
James Clarke
ff484d4f69
Start work on flutter/flutter#30726 by adding an alternative win32 shell platform implementation for Windows that is not based on GLFW and that uses LIBANGLE for rendering and native win32 windowing and input. This change does not replace the GLFW implementation but rather runs side by side with it producing a secondary flutter_windows_win32.dll artifact. The following items must be added to attain parity with the GLFW implementation: - Custom task scheduling - Support for keyboard modifier keys - Async texture uploads - Correct high DPI handling on Windows versions < 1703 and will be added in subsequent changes.
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "include/flutter/flutter_window_controller.h"
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#include <algorithm>
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#include <iostream>
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namespace flutter {
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FlutterWindowController::FlutterWindowController(
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const std::string& icu_data_path)
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: icu_data_path_(icu_data_path) {
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init_succeeded_ = FlutterDesktopInit();
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}
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FlutterWindowController::~FlutterWindowController() {
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if (controller_) {
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FlutterDesktopDestroyWindow(controller_);
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}
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if (init_succeeded_) {
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FlutterDesktopTerminate();
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}
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}
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bool FlutterWindowController::CreateWindow(
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int width,
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int height,
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const std::string& title,
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const std::string& assets_path,
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const std::vector<std::string>& arguments) {
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if (!init_succeeded_) {
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std::cerr << "Could not create window; FlutterDesktopInit failed."
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<< std::endl;
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return false;
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}
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if (controller_) {
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std::cerr << "Only one Flutter window can exist at a time." << std::endl;
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return false;
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}
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std::vector<const char*> engine_arguments;
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std::transform(
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arguments.begin(), arguments.end(), std::back_inserter(engine_arguments),
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[](const std::string& arg) -> const char* { return arg.c_str(); });
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size_t arg_count = engine_arguments.size();
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controller_ = FlutterDesktopCreateWindow(
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width, height, title.c_str(), assets_path.c_str(), icu_data_path_.c_str(),
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arg_count > 0 ? &engine_arguments[0] : nullptr, arg_count);
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if (!controller_) {
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std::cerr << "Failed to create window." << std::endl;
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return false;
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}
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window_ =
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std::make_unique<FlutterWindow>(FlutterDesktopGetWindow(controller_));
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return true;
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}
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FlutterDesktopPluginRegistrarRef FlutterWindowController::GetRegistrarForPlugin(
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const std::string& plugin_name) {
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if (!controller_) {
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std::cerr << "Cannot get plugin registrar without a window; call "
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"CreateWindow first."
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<< std::endl;
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return nullptr;
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}
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return FlutterDesktopGetPluginRegistrar(controller_, plugin_name.c_str());
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}
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void FlutterWindowController::RunEventLoop() {
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if (controller_) {
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FlutterDesktopRunWindowLoop(controller_);
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}
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window_ = nullptr;
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controller_ = nullptr;
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}
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} // namespace flutter
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