android: More robust surface recreation

src/android/app/src/main/jni/emu_window/emu_window.cpp

@@ -35,6 +35,7 @@ void EmuWindow_Android::OnSurfaceChanged(ANativeWindow* surface) {
     window_info.render_surface = surface;
 
     StopPresenting();
+    OnFramebufferSizeChanged();
 }
 
 bool EmuWindow_Android::OnTouchEvent(int x, int y, bool pressed) {

src/video_core/renderer_vulkan/vk_present_window.cpp

@@ -100,8 +100,8 @@ PresentWindow::PresentWindow(Frontend::EmuWindow& emu_window_, const Instance& i
                              Scheduler& scheduler_)
     : emu_window{emu_window_}, instance{instance_}, scheduler{scheduler_},
       surface{CreateSurface(instance.GetInstance(), emu_window)},
-      swapchain{instance, emu_window.GetFramebufferLayout().width,
-                emu_window.GetFramebufferLayout().height, surface},
+      next_surface{surface}, swapchain{instance, emu_window.GetFramebufferLayout().width,
+                                       emu_window.GetFramebufferLayout().height, surface},
       graphics_queue{instance.GetGraphicsQueue()}, present_renderpass{CreateRenderpass()},
       vsync_enabled{Settings::values.use_vsync_new.GetValue()},
       blit_supported{
@@ -328,32 +328,26 @@ void PresentWindow::PresentThread(std::stop_token token) {
 void PresentWindow::NotifySurfaceChanged() {
 #ifdef ANDROID
     std::scoped_lock lock{recreate_surface_mutex};
+    next_surface = CreateSurface(instance.GetInstance(), emu_window);
     recreate_surface_cv.notify_one();
 #endif
 }
 
 void PresentWindow::CopyToSwapchain(Frame* frame) {
     const auto recreate_swapchain = [&] {
+#ifdef ANDROID
+        {
+            std::unique_lock lock{recreate_surface_mutex};
+            recreate_surface_cv.wait(lock, [this]() { return surface != next_surface; });
+            surface = next_surface;
+        }
+#endif
         std::scoped_lock submit_lock{scheduler.submit_mutex};
         graphics_queue.waitIdle();
         swapchain.Create(frame->width, frame->height, surface);
     };
 
-#ifdef ANDROID
-    std::unique_lock lock{recreate_surface_mutex};
-
-    recreate_surface_cv.wait_for(lock, std::chrono::milliseconds(400), [&]() {
-        return last_render_surface == emu_window.GetWindowInfo().render_surface;
-    });
-
-    // If the frontend recreated the surface, recreate the renderer surface and swapchain.
-    void* const render_surface = emu_window.GetWindowInfo().render_surface;
-    if (last_render_surface != render_surface) {
-        last_render_surface = render_surface;
-        surface = CreateSurface(instance.GetInstance(), emu_window);
-        recreate_swapchain();
-    }
-#else
+#ifndef ANDROID
     const bool use_vsync = Settings::values.use_vsync_new.GetValue();
     const bool size_changed =
         swapchain.GetWidth() != frame->width || swapchain.GetHeight() != frame->height;

src/video_core/renderer_vulkan/vk_present_window.h

@@ -75,6 +75,7 @@ private:
     const Instance& instance;
     Scheduler& scheduler;
     vk::SurfaceKHR surface;
+    vk::SurfaceKHR next_surface{};
     Swapchain swapchain;
     vk::CommandPool command_pool;
     vk::Queue graphics_queue;

src/video_core/renderer_vulkan/vk_swapchain.cpp

@@ -88,6 +88,7 @@ bool Swapchain::AcquireNextImage() {
     case vk::Result::eSuccess:
         break;
     case vk::Result::eSuboptimalKHR:
+    case vk::Result::eErrorSurfaceLostKHR:
     case vk::Result::eErrorOutOfDateKHR:
         needs_recreation = true;
         break;