Own legacy platform services on Web and Android

android/src/cpp/main.cpp

@@ -1090,9 +1090,10 @@ void android_main(struct android_app* state) {
     // Make sure glue isn't stripped.
     // DON'T REMOVE, even if the compiler say it's deprecated
     app_dummy();
+    auto platform_services = pp::platform::legacy::create_platform_services();
 
     App::I = new App;
-    App::I->set_platform_services(&pp::platform::legacy::platform_services());
+    App::I->set_platform_services(platform_services.get());
 
     memset(&g_engine, 0, sizeof(g_engine));
     state->userData = &g_engine;

docs/modernization/roadmap.md

@@ -70,6 +70,11 @@ What is already real:
 - `pp_app_core`
 
 Latest slice:
+- `webgl/src/main.cpp` now owns a TU-local legacy `PlatformServices`
+  instance and binds that owned service into `App` during `StartApp()`.
+- `android/src/cpp/main.cpp` now owns a function-lifetime legacy
+  `PlatformServices` instance in `android_main()` and binds that owned service
+  into `App` instead of binding the process-global fallback directly.
 - `src/platform_legacy/legacy_platform_services.*` now exposes an ownable
   `create_platform_services()` entrypoint alongside the legacy fallback
   accessor.

docs/modernization/tasks.md

@@ -78,6 +78,11 @@ Completed, blocked, and superseded task history moved to
   the queue is now ordered by code movement instead.
 
 Current slice:
+- `webgl/src/main.cpp` now binds an owned legacy `PlatformServices` instance
+  instead of reading the process-global fallback directly during `StartApp()`.
+- `android/src/cpp/main.cpp` now binds a function-lifetime owned legacy
+  `PlatformServices` instance in `android_main()`, replacing the direct bind to
+  the process-global fallback accessor.
 - `src/platform_legacy/legacy_platform_services.*` now exposes an ownable
   `create_platform_services()` entrypoint while keeping the fallback singleton
   for non-migrated platforms.

webgl/src/main.cpp

@@ -16,6 +16,7 @@ App app;
 GLFWwindow* wnd;
 float theta = 0;
 glm::vec2 g_cursor_pos;
+std::unique_ptr<pp::platform::PlatformServices> g_platform_services;
 
 template<typename F>
 class TaskCallback
@@ -120,7 +121,7 @@ void StartApp()
 {
     App::I = &app;
     pp::platform::legacy::set_legacy_glfw_window(wnd);
-    app.set_platform_services(&pp::platform::legacy::platform_services());
+    app.set_platform_services(g_platform_services.get());
     app.initLog();
     app.create();
     app.width = 1024;
@@ -197,6 +198,8 @@ void main_loop()
 
 int main()
 {
+    g_platform_services = pp::platform::legacy::create_platform_services();
+
     if (glfwInit() != GL_TRUE)
         printf("Failed to init GLFW");
     wnd = glfwCreateWindow(1024, 768, "PanoPainter", nullptr, nullptr);