Split Apple platform target and move platform state ownership

src/app_events.cpp

@@ -12,6 +12,9 @@
 #include <GLFW/glfw3.h>
 #include "platform_linux/linux_platform_services.h"
 #endif
+#ifdef _WIN32
+#include "platform_windows/windows_platform_services.h"
+#endif
 #include "platform_legacy/legacy_platform_services.h"
 #include "renderer_gl/opengl_capabilities.h"
 
@@ -435,6 +438,15 @@ void App::report_rendered_frames(int frames)
     active_platform_services().report_rendered_frames(frames);
 }
 
+VrSessionSnapshot App::vr_session_snapshot() const
+{
+#ifdef _WIN32
+    return pp::platform::windows::read_platform_vr_session_snapshot();
+#else
+    return {};
+#endif
+}
+
 void App::save_prepared_file(
     std::string path,
     std::string suggested_name,
@@ -655,10 +667,11 @@ bool App::touch_tap(const glm::vec2& pos, int fingers, int tap_count)
 }
 bool App::key_down(kKey key)
 {
+    const auto vr_session = vr_session_snapshot();
     const auto plan = pp::app::plan_app_key_down_dispatch(
         layout.get(main_id) != nullptr,
         key == kKey::KeySpacebar,
-        vr_active);
+        vr_session.vr_active);
     if (plan.sync_vr_camera_rotation)
         canvas->m_canvas->m_cam_rot = vr_rot;
     redraw = plan.request_redraw;