HostDisplay: Support refresh rate queries on all platforms except Mac

.github/workflows/rolling-release.yml

@@ -166,7 +166,7 @@ jobs:
       shell: bash
       run: |
         sudo apt-get update
-        sudo apt-get -y install cmake ninja-build ccache libsdl2-dev libgtk-3-dev qtbase5-dev qtbase5-dev-tools qtbase5-private-dev qt5-default qttools5-dev libegl1-mesa-dev libevdev-dev libgbm-dev libdrm-dev libwayland-dev libwayland-egl-backend-dev extra-cmake-modules libcurl4-gnutls-dev
+        sudo apt-get -y install cmake ninja-build ccache libsdl2-dev libgtk-3-dev qtbase5-dev qtbase5-dev-tools qtbase5-private-dev qt5-default qttools5-dev libegl1-mesa-dev libevdev-dev libgbm-dev libdrm-dev libwayland-dev libwayland-egl-backend-dev extra-cmake-modules libcurl4-gnutls-dev libxrandr-dev
 
     - name: Compile build
       shell: bash

CMakeLists.txt

@@ -113,6 +113,9 @@ if(USE_EGL)
 endif()
 if(USE_X11)
   find_package(X11 REQUIRED)
+  if (NOT X11_Xrandr_FOUND)
+    message(FATAL_ERROR "XRandR extension is required")
+  endif()
 endif()
 if(USE_WAYLAND)
   find_package(ECM REQUIRED NO_MODULE)

README.md

@@ -184,7 +184,7 @@ Requirements:
 ### Linux
 Requirements (Debian/Ubuntu package names):
  - CMake (`cmake`)
- - SDL2 (`libsdl2-dev`)
+ - SDL2 (`libsdl2-dev`, `libxrandr-dev`)
  - pkgconfig (`pkg-config`)
  - Qt 5 (`qtbase5-dev`, `qtbase5-private-dev`, `qtbase5-dev-tools`, `qttools5-dev`)
  - libevdev (`libevdev-dev`)

android/app/src/cpp/android_host_interface.cpp

@@ -177,7 +177,7 @@ jbyteArray VectorToByteArray(JNIEnv* env, const std::vector<u8>& data)
 }
 
 jobjectArray CreateObjectArray(JNIEnv* env, jclass object_class, const jobject* objects, size_t num_objects,
-                               bool release_refs/* = false*/)
+                               bool release_refs /* = false*/)
 {
   if (!objects || num_objects == 0)
     return nullptr;
@@ -294,18 +294,21 @@ void AndroidHostInterface::RegisterHotkeys()
   CommonHostInterface::RegisterHotkeys();
 }
 
-bool AndroidHostInterface::GetMainDisplayRefreshRate(float* refresh_rate)
+float AndroidHostInterface::GetRefreshRate() const
 {
   if (!m_emulation_activity_object)
-    return false;
+    return 0.0f;
 
-  float value = AndroidHelpers::GetJNIEnv()->CallFloatMethod(m_emulation_activity_object,
+  const float value = AndroidHelpers::GetJNIEnv()->CallFloatMethod(m_emulation_activity_object,
-                                                             s_EmulationActivity_method_getRefreshRate);
+                                                                   s_EmulationActivity_method_getRefreshRate);
-  if (value <= 0.0f)
+  return (value > 0.0f) ? value : 0.0f;
-    return false;
+}
 
-  *refresh_rate = value;
+float AndroidHostInterface::GetSurfaceScale(int width, int height) const
-  return true;
+{
+  // TODO: Really need a better way of determining this.
+  return (wi.surface_width > wi.surface_height) ? (static_cast<float>(wi.surface_width) / 1280.0f) :
+                                                  (static_cast<float>(wi.surface_height) / 720.0f);
 }
 
 void AndroidHostInterface::SetUserDirectory()
@@ -591,9 +594,8 @@ bool AndroidHostInterface::AcquireHostDisplay()
   wi.window_handle = m_surface;
   wi.surface_width = ANativeWindow_getWidth(m_surface);
   wi.surface_height = ANativeWindow_getHeight(m_surface);
-
+  wi.surface_refresh_rate = GetRefreshRate();
-  // TODO: Really need a better way of determining this.
+  wi.surface_scale = GetSurfaceScale(wi.surface_width, wi.surface_height);
-  wi.surface_scale = 2.0f;
 
   switch (g_settings.gpu_renderer)
   {
@@ -709,7 +711,7 @@ void AndroidHostInterface::SurfaceChanged(ANativeWindow* surface, int format, in
     if (m_display && (width != m_display->GetWindowWidth() || height != m_display->GetWindowHeight()))
     {
       m_display->ResizeRenderWindow(width, height);
-      OnHostDisplayResized(width, height, m_display->GetWindowScale());
+      OnHostDisplayResized();
     }
 
     return;
@@ -724,7 +726,8 @@ void AndroidHostInterface::SurfaceChanged(ANativeWindow* surface, int format, in
     wi.window_handle = surface;
     wi.surface_width = width;
     wi.surface_height = height;
-    wi.surface_scale = m_display->GetWindowScale();
+    wi.surface_refresh_rate = GetRefreshRate();
+    wi.surface_scale = GetSurfaceScale(width, height);
 
     m_display->ChangeRenderWindow(wi);
     if (surface)
@@ -1666,7 +1669,6 @@ DEFINE_JNI_ARGS_METHOD(jstring, AndroidHostInterface_importBIOSImage, jobject ob
     return env->NewStringUTF(hash.ToString().c_str());
 }
 
-
 DEFINE_JNI_ARGS_METHOD(jboolean, AndroidHostInterface_hasMediaSubImages, jobject obj)
 {
   if (!System::IsValid())

android/app/src/cpp/android_host_interface.h

@@ -39,7 +39,6 @@ public:
   void ReportMessage(const char* message) override;
 
   std::unique_ptr<ByteStream> OpenPackageFile(const char* path, u32 flags) override;
-  bool GetMainDisplayRefreshRate(float* refresh_rate) override;
 
   bool IsEmulationThreadRunning() const { return m_emulation_thread_running.load(); }
   bool IsEmulationThreadPaused() const;
@@ -90,6 +89,8 @@ private:
   void UpdateInputMap(SettingsInterface& si) override;
   void SetVibration(bool enabled);
   void UpdateVibration();
+  float GetRefreshRate() const;
+  float GetSurfaceScale(int width, int height) const;
 
   jobject m_java_object = {};
   jobject m_emulation_activity_object = {};

src/common/CMakeLists.txt

@@ -108,6 +108,8 @@ add_library(common
   vulkan/util.h
   wav_writer.cpp
   wav_writer.h
+  window_info.cpp
+  window_info.h
 )
 
 target_include_directories(common PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/..")
@@ -147,8 +149,8 @@ if(USE_X11)
     gl/x11_window.h
   )
   target_compile_definitions(common PRIVATE "-DUSE_X11=1")
-  target_include_directories(common PRIVATE "${X11_INCLUDE_DIR}")
+  target_include_directories(common PRIVATE "${X11_INCLUDE_DIR}" "${X11_Xrandr_INCLUDE_PATH}")
-  target_link_libraries(common PRIVATE "${X11_LIBRARIES}")
+  target_link_libraries(common PRIVATE "${X11_LIBRARIES}" "${X11_Xrandr_LIB}")
 endif()
 
 if(USE_DRMKMS)

src/common/common.vcxproj

@@ -189,6 +189,7 @@
     <ClCompile Include="vulkan\util.cpp" />
     <ClCompile Include="wav_writer.cpp" />
     <ClCompile Include="win32_progress_callback.cpp" />
+    <ClCompile Include="window_info.cpp" />
   </ItemGroup>
   <ItemGroup>
     <Natvis Include="bitfield.natvis" />

src/common/common.vcxproj.filters

@@ -217,6 +217,7 @@
     <ClCompile Include="cd_image_pbp.cpp" />
     <ClCompile Include="error.cpp" />
     <ClCompile Include="cd_image_m3u.cpp" />
+    <ClCompile Include="window_info.cpp" />
   </ItemGroup>
   <ItemGroup>
     <Natvis Include="bitfield.natvis" />

src/common/drm_display.h

@@ -17,6 +17,11 @@ public:
   int GetCardFD() const { return m_card_fd; }
   u32 GetWidth() const { return m_mode->hdisplay; }
   u32 GetHeight() const { return m_mode->vdisplay; }
+  float GetRefreshRate() const
+  {
+    return (static_cast<float>(m_mode->clock) * 1000.0f) /
+           (static_cast<float>(m_mode->htotal) * static_cast<float>(m_mode->vtotal));
+  }
 
   u32 GetModeCount() const { return m_connector->count_modes; }
   u32 GetModeWidth(u32 i) const { return m_connector->modes[i].hdisplay; }

src/common/gl/context_egl_gbm.cpp

@@ -43,7 +43,7 @@ std::unique_ptr<Context> ContextEGLGBM::Create(const WindowInfo& wi, const Versi
                                                size_t num_versions_to_try)
 {
   std::unique_ptr<ContextEGLGBM> context = std::make_unique<ContextEGLGBM>(wi);
-  if (!context->CreateDisplay(wi) || !context->CreateGBMDevice() ||
+  if (!context->CreateDisplay() || !context->CreateGBMDevice() ||
       !context->Initialize(versions_to_try, num_versions_to_try))
   {
     return nullptr;
@@ -81,9 +81,15 @@ bool ContextEGLGBM::CreateGBMDevice()
   return true;
 }
 
-bool ContextEGLGBM::CreateDisplay(const WindowInfo& wi)
+bool ContextEGLGBM::CreateDisplay()
 {
-  return m_drm_display.Initialize(wi.surface_width, wi.surface_height, wi.surface_refresh_rate);
+  if (!m_drm_display.Initialize(m_wi.surface_width, m_wi.surface_height, m_wi.surface_refresh_rate))
+    return false;
+
+  m_wi.surface_width = m_drm_display.GetWidth();
+  m_wi.surface_height = m_drm_display.GetHeight();
+  m_wi.surface_refresh_rate = m_drm_display.GetRefreshRate();
+  return true;
 }
 
 bool ContextEGLGBM::SetDisplay()

src/common/gl/context_egl_gbm.h

@@ -44,7 +44,7 @@ private:
     u32 fb_id;
   };
 
-  bool CreateDisplay(const WindowInfo& wi);
+  bool CreateDisplay();
 
   bool CreateGBMDevice();
   Buffer* LockFrontBuffer();

src/common/vulkan/context.cpp

@@ -353,7 +353,7 @@ bool Context::Create(std::string_view gpu_name, const WindowInfo* wi, std::uniqu
     wi_copy = *wi;
 
   if (enable_surface &&
-      (surface = SwapChain::CreateVulkanSurface(instance, gpus[gpu_index], wi_copy)) == VK_NULL_HANDLE)
+      (surface = SwapChain::CreateVulkanSurface(instance, gpus[gpu_index], &wi_copy)) == VK_NULL_HANDLE)
   {
     vkDestroyInstance(instance, nullptr);
     Vulkan::UnloadVulkanLibrary();

src/common/vulkan/swap_chain.cpp

@@ -20,9 +20,9 @@ Log_SetChannel(Vulkan::SwapChain);
 #if defined(__APPLE__)
 #include <objc/message.h>
 
-static bool CreateMetalLayer(WindowInfo& wi)
+static bool CreateMetalLayer(WindowInfo* wi)
 {
-  id view = reinterpret_cast<id>(wi.window_handle);
+  id view = reinterpret_cast<id>(wi->window_handle);
 
   Class clsCAMetalLayer = objc_getClass("CAMetalLayer");
   if (!clsCAMetalLayer)
@@ -55,28 +55,28 @@ static bool CreateMetalLayer(WindowInfo& wi)
   reinterpret_cast<void (*)(id, SEL, double)>(objc_msgSend)(layer, sel_getUid("setContentsScale:"), factor);
 
   // Store the layer pointer, that way MoltenVK doesn't call [NSView layer] outside the main thread.
-  wi.surface_handle = layer;
+  wi->surface_handle = layer;
   return true;
 }
 
-static void DestroyMetalLayer(WindowInfo& wi)
+static void DestroyMetalLayer(WindowInfo* wi)
 {
-  id view = reinterpret_cast<id>(wi.window_handle);
+  id view = reinterpret_cast<id>(wi->window_handle);
-  id layer = reinterpret_cast<id>(wi.surface_handle);
+  id layer = reinterpret_cast<id>(wi->surface_handle);
   if (layer == nil)
     return;
 
   reinterpret_cast<void (*)(id, SEL, id)>(objc_msgSend)(view, sel_getUid("setLayer:"), nil);
   reinterpret_cast<void (*)(id, SEL, BOOL)>(objc_msgSend)(view, sel_getUid("setWantsLayer:"), NO);
   reinterpret_cast<void (*)(id, SEL)>(objc_msgSend)(layer, sel_getUid("release"));
-  wi.surface_handle = nullptr;
+  wi->surface_handle = nullptr;
 }
 
 #endif
 
 namespace Vulkan {
 SwapChain::SwapChain(const WindowInfo& wi, VkSurfaceKHR surface, bool vsync)
-  : m_wi(wi), m_vsync_enabled(vsync), m_surface(surface)
+  : m_window_info(wi), m_surface(surface), m_vsync_enabled(vsync)
 {
 }
 
@@ -88,9 +88,9 @@ SwapChain::~SwapChain()
   DestroySurface();
 }
 
-static VkSurfaceKHR CreateDisplaySurface(VkInstance instance, VkPhysicalDevice physical_device, const WindowInfo& wi)
+static VkSurfaceKHR CreateDisplaySurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo* wi)
 {
-  Log_InfoPrintf("Trying to create a VK_KHR_display surface of %ux%u", wi.surface_width, wi.surface_height);
+  Log_InfoPrintf("Trying to create a VK_KHR_display surface of %ux%u", wi->surface_width, wi->surface_height);
 
   u32 num_displays;
   VkResult res = vkGetPhysicalDeviceDisplayPropertiesKHR(physical_device, &num_displays, nullptr);
@@ -137,9 +137,9 @@ static VkSurfaceKHR CreateDisplaySurface(VkInstance instance, VkPhysicalDevice p
                     refresh_rate);
 
       if (!matched_mode &&
-          ((wi.surface_width == 0 && wi.surface_height == 0) ||
+          ((wi->surface_width == 0 && wi->surface_height == 0) ||
-           (mode.parameters.visibleRegion.width == wi.surface_width && mode.parameters.visibleRegion.height &&
+           (mode.parameters.visibleRegion.width == wi->surface_width && mode.parameters.visibleRegion.height &&
-            (wi.surface_refresh_rate == 0.0f || std::abs(refresh_rate - wi.surface_refresh_rate) < 0.1f))))
+            (wi->surface_refresh_rate == 0.0f || std::abs(refresh_rate - wi->surface_refresh_rate) < 0.1f))))
       {
         matched_mode = &mode;
       }
@@ -219,6 +219,7 @@ static VkSurfaceKHR CreateDisplaySurface(VkInstance instance, VkPhysicalDevice p
       continue;
     }
 
+    wi->surface_refresh_rate = static_cast<float>(matched_mode->parameters.refreshRate) / 1000.0f;
     return surface;
   }
 
@@ -286,17 +287,17 @@ static std::vector<SwapChain::FullscreenModeInfo> GetDisplayModes(VkInstance ins
   return result;
 }
 
-VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo& wi)
+VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo* wi)
 {
 #if defined(VK_USE_PLATFORM_WIN32_KHR)
-  if (wi.type == WindowInfo::Type::Win32)
+  if (wi->type == WindowInfo::Type::Win32)
   {
     VkWin32SurfaceCreateInfoKHR surface_create_info = {
       VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR, // VkStructureType               sType
       nullptr,                                         // const void*                   pNext
       0,                                               // VkWin32SurfaceCreateFlagsKHR  flags
       nullptr,                                         // HINSTANCE                     hinstance
-      reinterpret_cast<HWND>(wi.window_handle)         // HWND                          hwnd
+      reinterpret_cast<HWND>(wi->window_handle)        // HWND                          hwnd
     };
 
     VkSurfaceKHR surface;
@@ -312,14 +313,14 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
 #endif
 
 #if defined(VK_USE_PLATFORM_XLIB_KHR)
-  if (wi.type == WindowInfo::Type::X11)
+  if (wi->type == WindowInfo::Type::X11)
   {
     VkXlibSurfaceCreateInfoKHR surface_create_info = {
       VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR, // VkStructureType               sType
       nullptr,                                        // const void*                   pNext
       0,                                              // VkXlibSurfaceCreateFlagsKHR   flags
-      static_cast<Display*>(wi.display_connection),   // Display*                      dpy
+      static_cast<Display*>(wi->display_connection),  // Display*                      dpy
-      reinterpret_cast<Window>(wi.window_handle)      // Window                        window
+      reinterpret_cast<Window>(wi->window_handle)     // Window                        window
     };
 
     VkSurfaceKHR surface;
@@ -335,11 +336,11 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
 #endif
 
 #if defined(VK_USE_PLATFORM_WAYLAND_KHR)
-  if (wi.type == WindowInfo::Type::Wayland)
+  if (wi->type == WindowInfo::Type::Wayland)
   {
     VkWaylandSurfaceCreateInfoKHR surface_create_info = {VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR, nullptr, 0,
-                                                         static_cast<struct wl_display*>(wi.display_connection),
+                                                         static_cast<struct wl_display*>(wi->display_connection),
-                                                         static_cast<struct wl_surface*>(wi.window_handle)};
+                                                         static_cast<struct wl_surface*>(wi->window_handle)};
 
     VkSurfaceKHR surface;
     VkResult res = vkCreateWaylandSurfaceKHR(instance, &surface_create_info, nullptr, &surface);
@@ -354,13 +355,13 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
 #endif
 
 #if defined(VK_USE_PLATFORM_ANDROID_KHR)
-  if (wi.type == WindowInfo::Type::Android)
+  if (wi->type == WindowInfo::Type::Android)
   {
     VkAndroidSurfaceCreateInfoKHR surface_create_info = {
-      VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR, // VkStructureType                sType
+      VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR,  // VkStructureType                sType
-      nullptr,                                           // const void*                    pNext
+      nullptr,                                            // const void*                    pNext
-      0,                                                 // VkAndroidSurfaceCreateFlagsKHR flags
+      0,                                                  // VkAndroidSurfaceCreateFlagsKHR flags
-      reinterpret_cast<ANativeWindow*>(wi.window_handle) // ANativeWindow* window
+      reinterpret_cast<ANativeWindow*>(wi->window_handle) // ANativeWindow* window
     };
 
     VkSurfaceKHR surface;
@@ -376,13 +377,13 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
 #endif
 
 #if defined(VK_USE_PLATFORM_METAL_EXT)
-  if (wi.type == WindowInfo::Type::MacOS)
+  if (wi->type == WindowInfo::Type::MacOS)
   {
-    if (!wi.surface_handle && !CreateMetalLayer(wi))
+    if (!wi->surface_handle && !CreateMetalLayer(wi))
       return VK_NULL_HANDLE;
 
     VkMetalSurfaceCreateInfoEXT surface_create_info = {VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT, nullptr, 0,
-                                                       static_cast<const CAMetalLayer*>(wi.surface_handle)};
+                                                       static_cast<const CAMetalLayer*>(wi->surface_handle)};
 
     VkSurfaceKHR surface;
     VkResult res = vkCreateMetalSurfaceEXT(instance, &surface_create_info, nullptr, &surface);
@@ -395,10 +396,10 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
     return surface;
   }
 #elif defined(VK_USE_PLATFORM_MACOS_MVK)
-  if (wi.type == WindowInfo::Type::MacOS)
+  if (wi->type == WindowInfo::Type::MacOS)
   {
     VkMacOSSurfaceCreateInfoMVK surface_create_info = {VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK, nullptr, 0,
-                                                       wi.window_handle};
+                                                       wi->window_handle};
 
     VkSurfaceKHR surface;
     VkResult res = vkCreateMacOSSurfaceMVK(instance, &surface_create_info, nullptr, &surface);
@@ -412,18 +413,18 @@ VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevic
   }
 #endif
 
-  if (wi.type == WindowInfo::Type::Display)
+  if (wi->type == WindowInfo::Type::Display)
     return CreateDisplaySurface(instance, physical_device, wi);
 
   return VK_NULL_HANDLE;
 }
 
-void SwapChain::DestroyVulkanSurface(VkInstance instance, WindowInfo& wi, VkSurfaceKHR surface)
+void SwapChain::DestroyVulkanSurface(VkInstance instance, WindowInfo* wi, VkSurfaceKHR surface)
 {
   vkDestroySurfaceKHR(g_vulkan_context->GetVulkanInstance(), surface, nullptr);
 
 #if defined(__APPLE__)
-  if (wi.type == WindowInfo::Type::MacOS && wi.surface_handle)
+  if (wi->type == WindowInfo::Type::MacOS && wi->surface_handle)
     DestroyMetalLayer(wi);
 #endif
 }
@@ -567,8 +568,8 @@ bool SwapChain::CreateSwapChain()
   if (size.width == UINT32_MAX)
 #endif
   {
-    size.width = m_wi.surface_width;
+    size.width = m_window_info.surface_width;
-    size.height = m_wi.surface_height;
+    size.height = m_window_info.surface_height;
   }
   size.width =
     std::clamp(size.width, surface_capabilities.minImageExtent.width, surface_capabilities.maxImageExtent.width);
@@ -637,8 +638,8 @@ bool SwapChain::CreateSwapChain()
   if (old_swap_chain != VK_NULL_HANDLE)
     vkDestroySwapchainKHR(g_vulkan_context->GetDevice(), old_swap_chain, nullptr);
 
-  m_width = size.width;
+  m_window_info.surface_width = size.width;
-  m_height = size.height;
+  m_window_info.surface_height = size.height;
   return true;
 }
 
@@ -675,8 +676,8 @@ bool SwapChain::SetupSwapChainImages()
     image.image = images[i];
 
     // Create texture object, which creates a view of the backbuffer
-    if (!image.texture.Adopt(image.image, VK_IMAGE_VIEW_TYPE_2D, m_width, m_height, 1, 1, m_surface_format.format,
+    if (!image.texture.Adopt(image.image, VK_IMAGE_VIEW_TYPE_2D, m_window_info.surface_width,
-                             VK_SAMPLE_COUNT_1_BIT))
+                             m_window_info.surface_height, 1, 1, m_surface_format.format, VK_SAMPLE_COUNT_1_BIT))
     {
       return false;
     }
@@ -723,8 +724,8 @@ bool SwapChain::ResizeSwapChain(u32 new_width /* = 0 */, u32 new_height /* = 0 *
 
   if (new_width != 0 && new_height != 0)
   {
-    m_wi.surface_width = new_width;
+    m_window_info.surface_width = new_width;
-    m_wi.surface_height = new_height;
+    m_window_info.surface_height = new_height;
   }
 
   if (!CreateSwapChain() || !SetupSwapChainImages() || !CreateSemaphores())
@@ -769,8 +770,9 @@ bool SwapChain::RecreateSurface(const WindowInfo& new_wi)
   DestroySurface();
 
   // Re-create the surface with the new native handle
-  m_wi = new_wi;
+  m_window_info = new_wi;
-  m_surface = CreateVulkanSurface(g_vulkan_context->GetVulkanInstance(), g_vulkan_context->GetPhysicalDevice(), m_wi);
+  m_surface =
+    CreateVulkanSurface(g_vulkan_context->GetVulkanInstance(), g_vulkan_context->GetPhysicalDevice(), &m_window_info);
   if (m_surface == VK_NULL_HANDLE)
     return false;
 
@@ -799,7 +801,7 @@ bool SwapChain::RecreateSurface(const WindowInfo& new_wi)
 
 void SwapChain::DestroySurface()
 {
-  DestroyVulkanSurface(g_vulkan_context->GetVulkanInstance(), m_wi, m_surface);
+  DestroyVulkanSurface(g_vulkan_context->GetVulkanInstance(), &m_window_info, m_surface);
   m_surface = VK_NULL_HANDLE;
 }
 

src/common/vulkan/swap_chain.h

@@ -21,10 +21,10 @@ public:
   ~SwapChain();
 
   // Creates a vulkan-renderable surface for the specified window handle.
-  static VkSurfaceKHR CreateVulkanSurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo& wi);
+  static VkSurfaceKHR CreateVulkanSurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo* wi);
 
   // Destroys a previously-created surface.
-  static void DestroyVulkanSurface(VkInstance instance, WindowInfo& wi, VkSurfaceKHR surface);
+  static void DestroyVulkanSurface(VkInstance instance, WindowInfo* wi, VkSurfaceKHR surface);
 
   // Enumerates fullscreen modes for window info.
   struct FullscreenModeInfo
@@ -44,8 +44,9 @@ public:
   ALWAYS_INLINE VkFormat GetTextureFormat() const { return m_surface_format.format; }
   ALWAYS_INLINE bool IsVSyncEnabled() const { return m_vsync_enabled; }
   ALWAYS_INLINE VkSwapchainKHR GetSwapChain() const { return m_swap_chain; }
-  ALWAYS_INLINE u32 GetWidth() const { return m_width; }
+  ALWAYS_INLINE const WindowInfo& GetWindowInfo() const { return m_window_info; }
-  ALWAYS_INLINE u32 GetHeight() const { return m_height; }
+  ALWAYS_INLINE u32 GetWidth() const { return m_window_info.surface_width; }
+  ALWAYS_INLINE u32 GetHeight() const { return m_window_info.surface_height; }
   ALWAYS_INLINE u32 GetCurrentImageIndex() const { return m_current_image; }
   ALWAYS_INLINE u32 GetImageCount() const { return static_cast<u32>(m_images.size()); }
   ALWAYS_INLINE VkImage GetCurrentImage() const { return m_images[m_current_image].image; }
@@ -87,10 +88,7 @@ private:
     VkFramebuffer framebuffer;
   };
 
-  u32 m_width = 0;
+  WindowInfo m_window_info;
-  u32 m_height = 0;
-  WindowInfo m_wi;
-  bool m_vsync_enabled = false;
 
   VkSurfaceKHR m_surface = VK_NULL_HANDLE;
   VkSurfaceFormatKHR m_surface_format = {};
@@ -105,6 +103,7 @@ private:
   VkSwapchainKHR m_swap_chain = VK_NULL_HANDLE;
   std::vector<SwapChainImage> m_images;
   u32 m_current_image = 0;
+  bool m_vsync_enabled = false;
 };
 
 } // namespace Vulkan

src/common/window_info.cpp

@@ -0,0 +1,191 @@
+#include "window_info.h"
+#include "common/log.h"
+Log_SetChannel(WindowInfo);
+
+#if defined(_WIN32)
+
+#include "common/windows_headers.h"
+#include <dwmapi.h>
+
+static bool GetRefreshRateFromDWM(HWND hwnd, float* refresh_rate)
+{
+  static HMODULE dwm_module = nullptr;
+  static HRESULT(STDAPICALLTYPE * is_composition_enabled)(BOOL * pfEnabled) = nullptr;
+  static HRESULT(STDAPICALLTYPE * get_timing_info)(HWND hwnd, DWM_TIMING_INFO * pTimingInfo) = nullptr;
+  static bool load_tried = false;
+  if (!load_tried)
+  {
+    load_tried = true;
+    dwm_module = LoadLibrary("dwmapi.dll");
+    if (dwm_module)
+    {
+      std::atexit([]() {
+        FreeLibrary(dwm_module);
+        dwm_module = nullptr;
+      });
+      is_composition_enabled =
+        reinterpret_cast<decltype(is_composition_enabled)>(GetProcAddress(dwm_module, "DwmIsCompositionEnabled"));
+      get_timing_info =
+        reinterpret_cast<decltype(get_timing_info)>(GetProcAddress(dwm_module, "DwmGetCompositionTimingInfo"));
+    }
+  }
+
+  BOOL composition_enabled;
+  if (!is_composition_enabled || FAILED(is_composition_enabled(&composition_enabled) || !get_timing_info))
+    return false;
+
+  DWM_TIMING_INFO ti = {};
+  ti.cbSize = sizeof(ti);
+  HRESULT hr = get_timing_info(nullptr, &ti);
+  if (SUCCEEDED(hr))
+  {
+    if (ti.rateRefresh.uiNumerator == 0 || ti.rateRefresh.uiDenominator == 0)
+      return false;
+
+    *refresh_rate = static_cast<float>(ti.rateRefresh.uiNumerator) / static_cast<float>(ti.rateRefresh.uiDenominator);
+    return true;
+  }
+
+  return false;
+}
+
+static bool GetRefreshRateFromMonitor(HWND hwnd, float* refresh_rate)
+{
+  HMONITOR mon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
+  if (!mon)
+    return false;
+
+  MONITORINFOEXW mi = {};
+  mi.cbSize = sizeof(mi);
+  if (GetMonitorInfoW(mon, &mi))
+  {
+    DEVMODEW dm = {};
+    dm.dmSize = sizeof(dm);
+
+    // 0/1 are reserved for "defaults".
+    if (EnumDisplaySettingsW(mi.szDevice, ENUM_CURRENT_SETTINGS, &dm) && dm.dmDisplayFrequency > 1)
+    {
+      *refresh_rate = static_cast<float>(dm.dmDisplayFrequency);
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool WindowInfo::QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate)
+{
+  if (wi.type != Type::Win32 || !wi.window_handle)
+    return false;
+
+  // Try DWM first, then fall back to integer values.
+  const HWND hwnd = static_cast<HWND>(wi.window_handle);
+  return GetRefreshRateFromDWM(hwnd, refresh_rate) || GetRefreshRateFromMonitor(hwnd, refresh_rate);
+}
+
+#elif defined(__linux__)
+
+#ifdef USE_X11
+
+#include "common/scope_guard.h"
+#include "gl/x11_window.h"
+#include <X11/extensions/Xrandr.h>
+
+static bool GetRefreshRateFromXRandR(const WindowInfo& wi, float* refresh_rate)
+{
+  Display* display = static_cast<Display*>(wi.display_connection);
+  Window window = static_cast<Window>(reinterpret_cast<uintptr_t>(wi.window_handle));
+  if (!display || !window)
+    return false;
+
+  GL::X11InhibitErrors inhibiter;
+
+  XRRScreenResources* res = XRRGetScreenResources(display, window);
+  if (!res)
+  {
+    Log_ErrorPrint("XRRGetScreenResources() failed");
+    return false;
+  }
+
+  Common::ScopeGuard res_guard([res]() { XRRFreeScreenResources(res); });
+
+  int num_monitors;
+  XRRMonitorInfo* mi = XRRGetMonitors(display, window, True, &num_monitors);
+  if (num_monitors < 0)
+  {
+    Log_ErrorPrint("XRRGetMonitors() failed");
+    return false;
+  }
+  else if (num_monitors > 1)
+  {
+    Log_WarningPrintf("XRRGetMonitors() returned %d monitors, using first", num_monitors);
+  }
+
+  Common::ScopeGuard mi_guard([mi]() { XRRFreeMonitors(mi); });
+  if (mi->noutput <= 0)
+  {
+    Log_ErrorPrint("Monitor has no outputs");
+    return false;
+  }
+  else if (mi->noutput > 1)
+  {
+    Log_WarningPrintf("Monitor has %d outputs, using first", mi->noutput);
+  }
+
+  XRROutputInfo* oi = XRRGetOutputInfo(display, res, mi->outputs[0]);
+  if (!oi)
+  {
+    Log_ErrorPrint("XRRGetOutputInfo() failed");
+    return false;
+  }
+
+  Common::ScopeGuard oi_guard([oi]() { XRRFreeOutputInfo(oi); });
+
+  XRRCrtcInfo* ci = XRRGetCrtcInfo(display, res, oi->crtc);
+  if (!ci)
+  {
+    Log_ErrorPrint("XRRGetCrtcInfo() failed");
+    return false;
+  }
+
+  Common::ScopeGuard ci_guard([ci]() { XRRFreeCrtcInfo(ci); });
+
+  XRRModeInfo* mode = nullptr;
+  for (int i = 0; i < res->nmode; i++)
+  {
+    if (res->modes[i].id == ci->mode)
+    {
+      mode = &res->modes[i];
+      break;
+    }
+  }
+  if (!mode)
+  {
+    Log_ErrorPrintf("Failed to look up mode %d (of %d)", static_cast<int>(ci->mode), res->nmode);
+    return false;
+  }
+
+  if (mode->dotClock == 0 || mode->hTotal == 0 || mode->vTotal == 0)
+  {
+    Log_ErrorPrintf("Modeline is invalid: %ld/%d/%d", mode->dotClock, mode->hTotal, mode->vTotal);
+    return false;
+  }
+
+  *refresh_rate =
+    static_cast<double>(mode->dotClock) / (static_cast<double>(mode->hTotal) * static_cast<double>(mode->vTotal));
+  return true;
+}
+
+#endif // USE_X11
+
+bool WindowInfo::QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate)
+{
+#if defined(USE_X11)
+  if (wi.type == WindowInfo::Type::X11)
+    return GetRefreshRateFromXRandR(wi, refresh_rate);
+#endif
+
+  return false;
+}
+
+#endif

src/common/window_info.h

@@ -38,4 +38,6 @@ struct WindowInfo
 #ifdef __APPLE__
   void* surface_handle = nullptr;
 #endif
+
+  static bool QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate);
 };

src/core/host_display.cpp

@@ -88,7 +88,13 @@ bool HostDisplay::SetDisplayPixels(HostDisplayPixelFormat format, u32 width, u32
 
 bool HostDisplay::GetHostRefreshRate(float* refresh_rate)
 {
-  return g_host_interface->GetMainDisplayRefreshRate(refresh_rate);
+  if (m_window_info.surface_refresh_rate > 0.0f)
+  {
+    *refresh_rate = m_window_info.surface_refresh_rate;
+    return true;
+  }
+
+  return WindowInfo::QueryRefreshRateForWindow(m_window_info, refresh_rate);
 }
 
 void HostDisplay::SetSoftwareCursor(std::unique_ptr<HostDisplayTexture> texture, float scale /*= 1.0f*/)

src/core/host_interface.cpp

@@ -25,11 +25,6 @@
 #include <stdlib.h>
 Log_SetChannel(HostInterface);
 
-#ifdef _WIN32
-#include "common/windows_headers.h"
-#include <dwmapi.h>
-#endif
-
 HostInterface* g_host_interface;
 
 HostInterface::HostInterface()
@@ -1065,43 +1060,6 @@ std::string HostInterface::TranslateStdString(const char* context, const char* s
   return result;
 }
 
-bool HostInterface::GetMainDisplayRefreshRate(float* refresh_rate)
-{
-#ifdef _WIN32
-  static HMODULE dwm_module = nullptr;
-  static HRESULT(STDAPICALLTYPE * get_timing_info)(HWND hwnd, DWM_TIMING_INFO * pTimingInfo) = nullptr;
-  static bool load_tried = false;
-  if (!load_tried)
-  {
-    load_tried = true;
-    dwm_module = LoadLibrary("dwmapi.dll");
-    if (dwm_module)
-    {
-      std::atexit([]() {
-        FreeLibrary(dwm_module);
-        dwm_module = nullptr;
-      });
-      get_timing_info =
-        reinterpret_cast<decltype(get_timing_info)>(GetProcAddress(dwm_module, "DwmGetCompositionTimingInfo"));
-    }
-  }
-
-  DWM_TIMING_INFO ti = {};
-  ti.cbSize = sizeof(ti);
-  HRESULT hr = get_timing_info(nullptr, &ti);
-  if (SUCCEEDED(hr))
-  {
-    if (ti.rateRefresh.uiNumerator == 0 || ti.rateRefresh.uiDenominator == 0)
-      return false;
-
-    *refresh_rate = static_cast<float>(ti.rateRefresh.uiNumerator) / static_cast<float>(ti.rateRefresh.uiDenominator);
-    return true;
-  }
-#endif
-
-  return false;
-}
-
 void HostInterface::ToggleSoftwareRendering()
 {
   if (System::IsShutdown() || g_settings.gpu_renderer == GPURenderer::Software)

src/core/host_interface.h

@@ -126,10 +126,6 @@ public:
   virtual std::string TranslateStdString(const char* context, const char* str, const char* disambiguation = nullptr,
                                          int n = -1) const;
 
-  /// Returns the refresh rate for the "main" display. Use when it's not possible to query the graphics API for the
-  /// refresh rate of the monitor the window is running in.
-  virtual bool GetMainDisplayRefreshRate(float* refresh_rate);
-
   /// Returns the path to the directory to search for BIOS images.
   virtual std::string GetBIOSDirectory();
 

src/duckstation-nogui/sdl_host_interface.cpp

@@ -95,12 +95,6 @@ bool SDLHostInterface::SetFullscreen(bool enabled)
     return true;
 
   SDL_SetWindowFullscreen(m_window, enabled ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
-
-  int window_width, window_height;
-  SDL_GetWindowSize(m_window, &window_width, &window_height);
-  m_display->ResizeRenderWindow(window_width, window_height);
-  OnHostDisplayResized(window_width, window_height, GetDPIScaleFactor(m_window));
-
   m_fullscreen = enabled;
   return true;
 }
@@ -119,11 +113,6 @@ bool SDLHostInterface::RequestRenderWindowSize(s32 new_window_width, s32 new_win
     1);
 
   SDL_SetWindowSize(m_window, scaled_width, scaled_height);
-
-  s32 window_width, window_height;
-  SDL_GetWindowSize(m_window, &window_width, &window_height);
-  m_display->ResizeRenderWindow(window_width, window_height);
-
   return true;
 }
 
@@ -287,14 +276,12 @@ void SDLHostInterface::HandleSDLEvent(const SDL_Event* event)
   {
     case SDL_WINDOWEVENT:
     {
-      if (event->window.event == SDL_WINDOWEVENT_RESIZED)
+      if (event->window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
       {
-        m_display->ResizeRenderWindow(event->window.data1, event->window.data2);
+        s32 window_width, window_height;
-        OnHostDisplayResized(event->window.data1, event->window.data2, GetDPIScaleFactor(m_window));
+        SDL_GetWindowSize(m_window, &window_width, &window_height);
-      }
+        m_display->ResizeRenderWindow(window_width, window_height);
-      else if (event->window.event == SDL_WINDOWEVENT_MOVED)
+        OnHostDisplayResized();
-      {
-        // TODO: Do we want to update DPI scale here?
       }
     }
     break;

src/duckstation-qt/qthostinterface.cpp

@@ -470,7 +470,7 @@ void QtHostInterface::onDisplayWindowResized(int width, int height)
 
   Log_DevPrintf("Display window resized to %dx%d", width, height);
   m_display->ResizeRenderWindow(width, height);
-  OnHostDisplayResized(width, height, m_display->GetWindowScale());
+  OnHostDisplayResized();
 
   // re-render the display, since otherwise it will be out of date and stretched if paused
   if (!System::IsShutdown())
@@ -615,7 +615,7 @@ void QtHostInterface::updateDisplayState()
   connectDisplaySignals(display_widget);
   m_is_exclusive_fullscreen = m_display->IsFullscreen();
 
-  OnHostDisplayResized(m_display->GetWindowWidth(), m_display->GetWindowHeight(), m_display->GetWindowScale());
+  OnHostDisplayResized();
 
   if (!System::IsShutdown())
   {

src/frontend-common/common_host_interface.cpp

@@ -520,6 +520,8 @@ bool CommonHostInterface::CreateHostDisplayResources()
 
   const float framebuffer_scale = m_display->GetWindowScale();
   ImGui::GetIO().DisplayFramebufferScale = ImVec2(framebuffer_scale, framebuffer_scale);
+  ImGui::GetIO().DisplaySize.x = static_cast<float>(m_display->GetWindowWidth());
+  ImGui::GetIO().DisplaySize.y = static_cast<float>(m_display->GetWindowHeight());
   ImGui::GetStyle() = ImGuiStyle();
   ImGui::StyleColorsDarker();
   ImGui::GetStyle().ScaleAllSizes(framebuffer_scale);
@@ -566,8 +568,15 @@ void CommonHostInterface::ReleaseHostDisplayResources()
   m_logo_texture.reset();
 }
 
-void CommonHostInterface::OnHostDisplayResized(u32 new_width, u32 new_height, float new_scale)
+void CommonHostInterface::OnHostDisplayResized()
 {
+  const u32 new_width = m_display ? std::max<u32>(m_display->GetWindowWidth(), 1) : 0;
+  const u32 new_height = m_display ? std::max<u32>(m_display->GetWindowHeight(), 1) : 0;
+  const float new_scale = m_display ? m_display->GetWindowScale() : 1.0f;
+
+  ImGui::GetIO().DisplaySize.x = static_cast<float>(new_width);
+  ImGui::GetIO().DisplaySize.y = static_cast<float>(new_height);
+
   if (new_scale != ImGui::GetIO().DisplayFramebufferScale.x)
   {
     ImGui::GetIO().DisplayFramebufferScale = ImVec2(new_scale, new_scale);
@@ -1792,7 +1801,7 @@ void CommonHostInterface::RegisterGeneralHotkeys()
                    if (pressed)
                      SetTurboEnabled(!m_turbo_enabled);
                  });
-#ifndef ANDROID
+#ifndef __ANDROID__
   RegisterHotkey(StaticString(TRANSLATABLE("Hotkeys", "General")), StaticString("ToggleFullscreen"),
                  StaticString(TRANSLATABLE("Hotkeys", "Toggle Fullscreen")), [this](bool pressed) {
                    if (pressed)

src/frontend-common/common_host_interface.h

@@ -414,7 +414,7 @@ protected:
 
   bool CreateHostDisplayResources();
   void ReleaseHostDisplayResources();
-  void OnHostDisplayResized(u32 new_width, u32 new_height, float new_scale);
+  void OnHostDisplayResized();
 
   virtual void DrawImGuiWindows();
 

src/frontend-common/d3d11_host_display.cpp

@@ -473,10 +473,17 @@ bool D3D11HostDisplay::CreateSwapChainRTV()
   m_window_info.surface_width = backbuffer_desc.Width;
   m_window_info.surface_height = backbuffer_desc.Height;
 
-  if (ImGui::GetCurrentContext())
+  BOOL fullscreen = FALSE;
+  DXGI_SWAP_CHAIN_DESC desc;
+  if (SUCCEEDED(m_swap_chain->GetFullscreenState(&fullscreen, nullptr)) && fullscreen &&
+      SUCCEEDED(m_swap_chain->GetDesc(&desc)))
   {
-    ImGui::GetIO().DisplaySize.x = static_cast<float>(backbuffer_desc.Width);
+    m_window_info.surface_refresh_rate = static_cast<float>(desc.BufferDesc.RefreshRate.Numerator) /
-    ImGui::GetIO().DisplaySize.y = static_cast<float>(backbuffer_desc.Height);
+                                         static_cast<float>(desc.BufferDesc.RefreshRate.Denominator);
+  }
+  else
+  {
+    m_window_info.surface_refresh_rate = 0.0f;
   }
 
   return true;
@@ -664,8 +671,6 @@ void D3D11HostDisplay::DestroyResources()
 
 bool D3D11HostDisplay::CreateImGuiContext()
 {
-  ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-  ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
   return ImGui_ImplDX11_Init(m_device.Get(), m_context.Get());
 }
 

src/frontend-common/opengl_host_display.cpp

@@ -384,9 +384,7 @@ bool OpenGLHostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_vie
     return false;
   }
 
-  m_window_info = wi;
+  m_window_info = m_gl_context->GetWindowInfo();
-  m_window_info.surface_width = m_gl_context->GetSurfaceWidth();
-  m_window_info.surface_height = m_gl_context->GetSurfaceHeight();
   return true;
 }
 
@@ -467,16 +465,7 @@ bool OpenGLHostDisplay::ChangeRenderWindow(const WindowInfo& new_wi)
     return false;
   }
 
-  m_window_info = new_wi;
+  m_window_info = m_gl_context->GetWindowInfo();
-  m_window_info.surface_width = m_gl_context->GetSurfaceWidth();
-  m_window_info.surface_height = m_gl_context->GetSurfaceHeight();
-
-  if (ImGui::GetCurrentContext())
-  {
-    ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-    ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
-  }
-
   return true;
 }
 
@@ -486,14 +475,7 @@ void OpenGLHostDisplay::ResizeRenderWindow(s32 new_window_width, s32 new_window_
     return;
 
   m_gl_context->ResizeSurface(static_cast<u32>(new_window_width), static_cast<u32>(new_window_height));
-  m_window_info.surface_width = m_gl_context->GetSurfaceWidth();
+  m_window_info = m_gl_context->GetWindowInfo();
-  m_window_info.surface_height = m_gl_context->GetSurfaceHeight();
-
-  if (ImGui::GetCurrentContext())
-  {
-    ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-    ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
-  }
 }
 
 bool OpenGLHostDisplay::SupportsFullscreen() const
@@ -539,8 +521,6 @@ void OpenGLHostDisplay::DestroyRenderSurface()
 
 bool OpenGLHostDisplay::CreateImGuiContext()
 {
-  ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-  ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
   return ImGui_ImplOpenGL3_Init(GetGLSLVersionString());
 }
 

src/frontend-common/vulkan_host_display.cpp

@@ -76,12 +76,13 @@ bool VulkanHostDisplay::ChangeRenderWindow(const WindowInfo& new_wi)
   {
     g_vulkan_context->ExecuteCommandBuffer(true);
     m_swap_chain.reset();
+    m_window_info = new_wi;
     return true;
   }
 
   WindowInfo wi_copy(new_wi);
   VkSurfaceKHR surface = Vulkan::SwapChain::CreateVulkanSurface(g_vulkan_context->GetVulkanInstance(),
-                                                                g_vulkan_context->GetPhysicalDevice(), wi_copy);
+                                                                g_vulkan_context->GetPhysicalDevice(), &wi_copy);
   if (surface == VK_NULL_HANDLE)
   {
     Log_ErrorPrintf("Failed to create new surface for swap chain");
@@ -95,16 +96,7 @@ bool VulkanHostDisplay::ChangeRenderWindow(const WindowInfo& new_wi)
     return false;
   }
 
-  m_window_info = wi_copy;
+  m_window_info = m_swap_chain->GetWindowInfo();
-  m_window_info.surface_width = m_swap_chain->GetWidth();
-  m_window_info.surface_height = m_swap_chain->GetHeight();
-
-  if (ImGui::GetCurrentContext())
-  {
-    ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-    ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
-  }
-
   return true;
 }
 
@@ -115,14 +107,7 @@ void VulkanHostDisplay::ResizeRenderWindow(s32 new_window_width, s32 new_window_
   if (!m_swap_chain->ResizeSwapChain(new_window_width, new_window_height))
     Panic("Failed to resize swap chain");
 
-  m_window_info.surface_width = m_swap_chain->GetWidth();
+  m_window_info = m_swap_chain->GetWindowInfo();
-  m_window_info.surface_height = m_swap_chain->GetHeight();
-
-  if (ImGui::GetCurrentContext())
-  {
-    ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-    ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
-  }
 }
 
 bool VulkanHostDisplay::SupportsFullscreen() const
@@ -320,19 +305,15 @@ void VulkanHostDisplay::SetVSync(bool enabled)
 bool VulkanHostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device,
                                            bool threaded_presentation)
 {
-  if (!Vulkan::Context::Create(adapter_name, &wi, &m_swap_chain, threaded_presentation, debug_device, false))
+  WindowInfo local_wi(wi);
+  if (!Vulkan::Context::Create(adapter_name, &local_wi, &m_swap_chain, threaded_presentation, debug_device, false))
   {
     Log_ErrorPrintf("Failed to create Vulkan context");
+    m_window_info = {};
     return false;
   }
 
-  m_window_info = wi;
+  m_window_info = m_swap_chain ? m_swap_chain->GetWindowInfo() : local_wi;
-  if (m_swap_chain)
-  {
-    m_window_info.surface_width = m_swap_chain->GetWidth();
-    m_window_info.surface_height = m_swap_chain->GetHeight();
-  }
-
   return true;
 }
 
@@ -526,9 +507,6 @@ void VulkanHostDisplay::DestroyResources()
 
 bool VulkanHostDisplay::CreateImGuiContext()
 {
-  ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_info.surface_width);
-  ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_info.surface_height);
-
   ImGui_ImplVulkan_InitInfo vii = {};
   vii.Instance = g_vulkan_context->GetVulkanInstance();
   vii.PhysicalDevice = g_vulkan_context->GetPhysicalDevice();