[d3d9] Skip some validations when hDeviceWindow is NULL

src/d3d9/d3d9_device.cpp

@@ -8309,9 +8309,12 @@ namespace dxvk {
       "    - Windowed:           ", pPresentationParameters->Windowed ? "true" : "false", "\n",
       "    - Swap effect:        ", pPresentationParameters->SwapEffect, "\n"));
 
-    if (!pPresentationParameters->Windowed &&
-        (pPresentationParameters->BackBufferWidth  == 0
-      || pPresentationParameters->BackBufferHeight == 0)) {
+    // Black Desert creates a device with a NULL hDeviceWindow and
+    // seemingly expects this validation to not prevent a swapchain reset.
+    if (pPresentationParameters->hDeviceWindow != nullptr &&
+       !pPresentationParameters->Windowed &&
+       (pPresentationParameters->BackBufferWidth  == 0
+     || pPresentationParameters->BackBufferHeight == 0)) {
       return D3DERR_INVALIDCALL;
     }
 

src/d3d9/d3d9_interface.h

@@ -135,7 +135,10 @@ namespace dxvk {
       }
 
       // The swap effect value can not be 0.
-      if (unlikely(!pPresentationParameters->SwapEffect))
+      // Black Desert sets this to 0 with a NULL hDeviceWindow
+      // and expects device creation to succeed.
+      if (unlikely(pPresentationParameters->hDeviceWindow != nullptr
+               && !pPresentationParameters->SwapEffect))
         return D3DERR_INVALIDCALL;
 
       // D3DSWAPEFFECT_COPY can not be used with more than one back buffer.