From a053f389bdc31af1d10b1269493d4a6efcd8e83a Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Sun, 13 Sep 2020 14:37:00 +1000
Subject: [PATCH] VulkanHostDisplay: Don't choke when we lose the surface

---
 src/frontend-common/vulkan_host_display.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/frontend-common/vulkan_host_display.cpp b/src/frontend-common/vulkan_host_display.cpp
index bcd5bddc1..244b4951b 100644
--- a/src/frontend-common/vulkan_host_display.cpp
+++ b/src/frontend-common/vulkan_host_display.cpp
@@ -118,7 +118,12 @@ void* VulkanHostDisplay::GetRenderContext() const
 
 bool VulkanHostDisplay::ChangeRenderWindow(const WindowInfo& new_wi)
 {
-  Assert(!m_swap_chain);
+  if (new_wi.type == WindowInfo::Type::Surfaceless)
+  {
+    g_vulkan_context->ExecuteCommandBuffer(true);
+    m_swap_chain.reset();
+    return true;
+  }
 
   WindowInfo wi_copy(new_wi);
   VkSurfaceKHR surface = Vulkan::SwapChain::CreateVulkanSurface(g_vulkan_context->GetVulkanInstance(), wi_copy);