[d3d9] Do not set window size and position when restoring from fullscreen state

Closes #2920.

src/d3d9/d3d9_swapchain.cpp

@@ -1055,7 +1055,7 @@ namespace dxvk {
 
     ResetWindowProc(m_window);
     
-    if (!wsi::leaveFullscreenMode(m_window, &m_windowState)) {
+    if (!wsi::leaveFullscreenMode(m_window, &m_windowState, false)) {
       Logger::err("D3D9: LeaveFullscreenMode: Failed to exit fullscreen mode");
       return D3DERR_NOTAVAILABLE;
     }

src/dxgi/dxgi_swapchain.cpp

@@ -616,7 +616,7 @@ namespace dxvk {
     if (!wsi::isWindow(m_window))
       return S_OK;
     
-    if (!wsi::leaveFullscreenMode(m_window, &m_windowState)) {
+    if (!wsi::leaveFullscreenMode(m_window, &m_windowState, true)) {
       Logger::err("DXGI: LeaveFullscreenMode: Failed to exit fullscreen mode");
       return DXGI_ERROR_NOT_CURRENTLY_AVAILABLE;
     }

src/wsi/sdl2/wsi_window_sdl2.cpp

@@ -101,7 +101,8 @@ namespace dxvk::wsi {
 
   bool leaveFullscreenMode(
           HWND             hWindow,
-          DxvkWindowState* pState) {
+          DxvkWindowState* pState,
+          bool             restoreCoordinates) {
     SDL_Window* window = fromHwnd(hWindow);
 
     if (SDL_SetWindowFullscreen(window, 0) != 0) {
@@ -152,4 +153,4 @@ namespace dxvk::wsi {
          : VK_ERROR_OUT_OF_HOST_MEMORY;
   }
 
-}
+}

src/wsi/win32/wsi_window_win32.cpp

@@ -198,7 +198,8 @@ namespace dxvk::wsi {
 
   bool leaveFullscreenMode(
           HWND             hWindow,
-          DxvkWindowState* pState) {
+          DxvkWindowState* pState,
+          bool             restoreCoordinates) {
     // Only restore the window style if the application hasn't
     // changed them. This is in line with what native DXGI does.
     LONG curStyle   = ::GetWindowLongW(hWindow, GWL_STYLE)   & ~WS_VISIBLE;
@@ -211,11 +212,14 @@ namespace dxvk::wsi {
     }
 
     // Restore window position and apply the style
+    UINT flags = SWP_FRAMECHANGED | SWP_NOACTIVATE;
     const RECT rect = pState->rect;
+
+    if (!restoreCoordinates)
+      flags |= SWP_NOSIZE | SWP_NOMOVE;
     
     ::SetWindowPos(hWindow, (pState->exstyle & WS_EX_TOPMOST) ? HWND_TOPMOST : HWND_NOTOPMOST,
-      rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
-      SWP_FRAMECHANGED | SWP_NOACTIVATE);
+      rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, flags);
 
     return true;
   }
@@ -285,4 +289,4 @@ namespace dxvk::wsi {
       vki->instance(), &info, nullptr, pSurface);
   }
 
-}
+}

src/wsi/wsi_window.h

@@ -73,7 +73,8 @@ namespace dxvk::wsi {
     */
   bool leaveFullscreenMode(
           HWND             hWindow,
-          DxvkWindowState* pState);
+          DxvkWindowState* pState,
+          bool             restoreCoordinates);
 
   /**
     * \brief Restores the display mode if necessary