vk_present_manager: recreate surface on any surface loss

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

@@ -218,7 +218,6 @@ public:
             return;
         }
         m_window->OnSurfaceChanged(m_native_window);
-        m_system.Renderer().NotifySurfaceChanged();
     }
 
     void ConfigureFilesystemProvider(const std::string& filepath) {

src/video_core/renderer_base.h

@@ -89,9 +89,6 @@ public:
     void RequestScreenshot(void* data, std::function<void(bool)> callback,
                            const Layout::FramebufferLayout& layout);
 
-    /// This is called to notify the rendering backend of a surface change
-    virtual void NotifySurfaceChanged() {}
-
 protected:
     Core::Frontend::EmuWindow& render_window; ///< Reference to the render window handle.
     std::unique_ptr<Core::Frontend::GraphicsContext> context;

src/video_core/renderer_vulkan/renderer_vulkan.h

@@ -56,10 +56,6 @@ public:
         return device.GetDriverName();
     }
 
-    void NotifySurfaceChanged() override {
-        present_manager.NotifySurfaceChanged();
-    }
-
 private:
     void Report() const;
 

src/video_core/renderer_vulkan/vk_present_manager.cpp

@@ -103,8 +103,7 @@ PresentManager::PresentManager(const vk::Instance& instance_,
       surface{surface_}, blit_supported{CanBlitToSwapchain(device.GetPhysical(),
                                                            swapchain.GetImageViewFormat())},
       use_present_thread{Settings::values.async_presentation.GetValue()},
-      image_count{swapchain.GetImageCount()}, last_render_surface{
-                                                  render_window_.GetWindowInfo().render_surface} {
+      image_count{swapchain.GetImageCount()} {
 
     auto& dld = device.GetLogical();
     cmdpool = dld.CreateCommandPool({
@@ -289,44 +288,36 @@ void PresentManager::PresentThread(std::stop_token token) {
     }
 }
 
-void PresentManager::NotifySurfaceChanged() {
-#ifdef ANDROID
-    std::scoped_lock lock{recreate_surface_mutex};
-    recreate_surface_cv.notify_one();
-#endif
+void PresentManager::RecreateSwapchain(Frame* frame) {
+    swapchain.Create(*surface, frame->width, frame->height, frame->is_srgb);
+    image_count = swapchain.GetImageCount();
 }
 
 void PresentManager::CopyToSwapchain(Frame* frame) {
-    MICROPROFILE_SCOPE(Vulkan_CopyToSwapchain);
+    bool requires_recreation = false;
 
-    const auto recreate_swapchain = [&] {
-        swapchain.Create(*surface, frame->width, frame->height, frame->is_srgb);
-        image_count = swapchain.GetImageCount();
-    };
+    while (true) {
+        try {
+            // Recreate surface and swapchain if needed.
+            if (requires_recreation) {
+                surface = CreateSurface(instance, render_window.GetWindowInfo());
+                RecreateSwapchain(frame);
+            }
 
-#ifdef ANDROID
-    std::unique_lock lock{recreate_surface_mutex};
+            // Draw to swapchain.
+            return CopyToSwapchainImpl(frame);
+        } catch (const vk::Exception& except) {
+            if (except.GetResult() != VK_ERROR_SURFACE_LOST_KHR) {
+                throw;
+            }
 
-    const auto needs_recreation = [&] {
-        if (last_render_surface != render_window.GetWindowInfo().render_surface) {
-            return true;
+            requires_recreation = true;
         }
-        if (swapchain.NeedsRecreation(frame->is_srgb)) {
-            return true;
-        }
-        return false;
-    };
-
-    recreate_surface_cv.wait_for(lock, std::chrono::milliseconds(400),
-                                 [&]() { return !needs_recreation(); });
-
-    // If the frontend recreated the surface, recreate the renderer surface and swapchain.
-    if (last_render_surface != render_window.GetWindowInfo().render_surface) {
-        last_render_surface = render_window.GetWindowInfo().render_surface;
-        surface = CreateSurface(instance, render_window.GetWindowInfo());
-        recreate_swapchain();
     }
-#endif
+}
+
+void PresentManager::CopyToSwapchainImpl(Frame* frame) {
+    MICROPROFILE_SCOPE(Vulkan_CopyToSwapchain);
 
     // If the size or colorspace of the incoming frames has changed, recreate the swapchain
     // to account for that.
@@ -334,11 +325,11 @@ void PresentManager::CopyToSwapchain(Frame* frame) {
     const bool size_changed =
         swapchain.GetWidth() != frame->width || swapchain.GetHeight() != frame->height;
     if (srgb_changed || size_changed) {
-        recreate_swapchain();
+        RecreateSwapchain(frame);
     }
 
     while (swapchain.AcquireNextImage()) {
-        recreate_swapchain();
+        RecreateSwapchain(frame);
     }
 
     const vk::CommandBuffer cmdbuf{frame->cmdbuf};

src/video_core/renderer_vulkan/vk_present_manager.h

@@ -54,14 +54,15 @@ public:
     /// Waits for the present thread to finish presenting all queued frames.
     void WaitPresent();
 
-    /// This is called to notify the rendering backend of a surface change
-    void NotifySurfaceChanged();
-
 private:
     void PresentThread(std::stop_token token);
 
     void CopyToSwapchain(Frame* frame);
 
+    void CopyToSwapchainImpl(Frame* frame);
+
+    void RecreateSwapchain(Frame* frame);
+
 private:
     const vk::Instance& instance;
     Core::Frontend::EmuWindow& render_window;
@@ -76,16 +77,13 @@ private:
     std::queue<Frame*> free_queue;
     std::condition_variable_any frame_cv;
     std::condition_variable free_cv;
-    std::condition_variable recreate_surface_cv;
     std::mutex swapchain_mutex;
-    std::mutex recreate_surface_mutex;
     std::mutex queue_mutex;
     std::mutex free_mutex;
     std::jthread present_thread;
     bool blit_supported;
     bool use_present_thread;
     std::size_t image_count{};
-    void* last_render_surface{};
 };
 
 } // namespace Vulkan

src/video_core/vulkan_common/vulkan_wrapper.h

@@ -117,6 +117,9 @@ public:
     virtual ~Exception() = default;
 
     const char* what() const noexcept override;
+    VkResult GetResult() const noexcept {
+        return result;
+    }
 
 private:
     VkResult result;