[dxgi] Leave fullscreen mode when window looses focus

src/dxgi/dxgi_factory.cpp

@@ -215,7 +215,7 @@ namespace dxvk {
         return hr;
       }
 
-      frontendSwapChain = new DxgiSwapChain(this, presenter.ptr(), hWnd, &desc, &fsDesc);
+      frontendSwapChain = new DxgiSwapChain(this, presenter.ptr(), hWnd, &desc, &fsDesc, pDevice);
     } else {
       Logger::err("DXGI: CreateSwapChainForHwnd: Unsupported device type");
       return DXGI_ERROR_UNSUPPORTED;

src/dxgi/dxgi_swapchain.cpp

@@ -4,6 +4,8 @@
 
 #include "../util/util_misc.h"
 
+#include <d3d12.h>
+
 namespace dxvk {
   
   DxgiSwapChain::DxgiSwapChain(
@@ -11,14 +13,17 @@ namespace dxvk {
           IDXGIVkSwapChain*           pPresenter,
           HWND                        hWnd,
     const DXGI_SWAP_CHAIN_DESC1*      pDesc,
-    const DXGI_SWAP_CHAIN_FULLSCREEN_DESC*  pFullscreenDesc)
+    const DXGI_SWAP_CHAIN_FULLSCREEN_DESC*  pFullscreenDesc,
+          IUnknown*                   pDevice)
   : m_factory   (pFactory),
     m_window    (hWnd),
     m_desc      (*pDesc),
     m_descFs    (*pFullscreenDesc),
     m_presentCount(0u),
     m_presenter (pPresenter),
-    m_monitor   (wsi::getWindowMonitor(m_window)) {
+    m_monitor   (wsi::getWindowMonitor(m_window)),
+    m_is_d3d12(SUCCEEDED(pDevice->QueryInterface(__uuidof(ID3D12CommandQueue), reinterpret_cast<void**>(&Com<ID3D12CommandQueue>())))) {
+
     if (FAILED(m_presenter->GetAdapter(__uuidof(IDXGIAdapter), reinterpret_cast<void**>(&m_adapter))))
       throw DxvkError("DXGI: Failed to get adapter for present device");
     
@@ -214,7 +219,9 @@ namespace dxvk {
           BOOL*         pFullscreen,
           IDXGIOutput** ppTarget) {
     HRESULT hr = S_OK;
-    
+
+    if (!m_is_d3d12 && !m_descFs.Windowed && wsi::isOccluded(m_window))
+      SetFullscreenState(FALSE, nullptr);
     if (pFullscreen != nullptr)
       *pFullscreen = !m_descFs.Windowed;
     
@@ -287,6 +294,16 @@ namespace dxvk {
     if (SyncInterval > 4)
       return DXGI_ERROR_INVALID_CALL;
 
+    if (!m_is_d3d12 && wsi::isMinimized(m_window))
+      return DXGI_STATUS_OCCLUDED;
+
+    if (!m_descFs.Windowed && wsi::isOccluded(m_window))
+    {
+      if (!(PresentFlags & DXGI_PRESENT_TEST))
+        SetFullscreenState(FALSE, nullptr);
+      return DXGI_STATUS_OCCLUDED;
+    }
+
     std::lock_guard<dxvk::recursive_mutex> lockWin(m_lockWindow);
     std::lock_guard<dxvk::mutex> lockBuf(m_lockBuffer);
 

src/dxgi/dxgi_swapchain.h

@@ -31,7 +31,8 @@ namespace dxvk {
             IDXGIVkSwapChain*           pPresenter,
             HWND                        hWnd,
       const DXGI_SWAP_CHAIN_DESC1*      pDesc,
-      const DXGI_SWAP_CHAIN_FULLSCREEN_DESC*  pFullscreenDesc);
+      const DXGI_SWAP_CHAIN_FULLSCREEN_DESC*  pFullscreenDesc,
+            IUnknown*                   pDevice);
     
     ~DxgiSwapChain();
     
@@ -189,7 +190,9 @@ namespace dxvk {
     
     HMONITOR                        m_monitor;
     wsi::DxvkWindowState            m_windowState;
-    
+
+    bool                            m_is_d3d12;
+
     HRESULT EnterFullscreenMode(
             IDXGIOutput1            *pTarget);
     

src/wsi/glfw/wsi_window_glfw.cpp

@@ -124,6 +124,18 @@ namespace dxvk::wsi {
     return window != nullptr;
   }
 
+
+  bool isMinimized(HWND hWindow) {
+    GLFWwindow* window = fromHwnd(hWindow);
+    return glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0;
+  }
+
+
+  bool isOccluded(HWND hWindow) {
+    return false;
+  }
+
+
   void updateFullscreenWindow(
       HMONITOR hMonitor,
       HWND     hWindow,
@@ -141,4 +153,4 @@ namespace dxvk::wsi {
     return glfwCreateWindowSurface(instance, window, nullptr, pSurface);
   }
 
-}
+}

src/wsi/sdl2/wsi_window_sdl2.cpp

@@ -134,6 +134,17 @@ namespace dxvk::wsi {
   }
 
 
+  bool isMinimized(HWND hWindow) {
+    SDL_Window* window = fromHwnd(hWindow);
+    return (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED) != 0;
+  }
+
+
+  bool isOccluded(HWND hWindow) {
+    return false;
+  }
+
+
   void updateFullscreenWindow(
           HMONITOR hMonitor,
           HWND     hWindow,

src/wsi/win32/wsi_window_win32.cpp

@@ -253,6 +253,16 @@ namespace dxvk::wsi {
   }
 
 
+  bool isMinimized(HWND hWindow) {
+    return (::GetWindowLongW(hWindow, GWL_STYLE) & WS_MINIMIZE) != 0;
+  }
+
+
+  bool isOccluded(HWND hWindow) {
+    return ::GetForegroundWindow() != hWindow;
+  }
+
+
   void updateFullscreenWindow(
           HMONITOR hMonitor,
           HWND     hWindow,

src/wsi/wsi_window.h

@@ -99,6 +99,22 @@ namespace dxvk::wsi {
     */
   bool isWindow(HWND hWindow);
 
+  /**
+    * \brief Is window minimized?
+    *
+    * \param [in] hWindow The window
+    * \returns Is window minimized?
+    */
+  bool isMinimized(HWND hWindow);
+
+  /**
+    * \brief Is window occluded?
+    *
+    * \param [in] hWindow The window
+    * \returns Is window occluded?
+    */
+  bool isOccluded(HWND hWindow);
+
   /**
     * \brief Update a fullscreen window's position/size
     *