[PATCH v2 2/4] win32u: Check for NULL hwnd before calling vulkan_surface_presented() driver callback.

[Paul Gofman]

From: Paul Gofman

---
 dlls/win32u/vulkan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/vulkan.c b/dlls/win32u/vulkan.c
index ba6a7f604b4..1e7cc917f23 100644
--- a/dlls/win32u/vulkan.c
+++ b/dlls/win32u/vulkan.c
@@ -480,7 +480,8 @@ static VkResult win32u_vkQueuePresentKHR( VkQueue client_queue, const VkPresentI
         struct surface *surface = swapchain->surface;
         RECT client_rect;

-        driver_funcs->p_vulkan_surface_presented( surface->hwnd, surface->driver_private, swapchain_res );
+        if (surface->hwnd)
+            driver_funcs->p_vulkan_surface_presented( surface->hwnd, surface->driver_private, swapchain_res );

if (swapchain_res < VK_SUCCESS) continue;
         if (!NtUserGetClientRect( surface->hwnd, &client_rect, NtUserGetDpiForWindow( surface->hwnd ) ))