From d609a7c8bf67296f85e47b1a78dd7ed90580f8e8 Mon Sep 17 00:00:00 2001
From: Stuart Kenny <stuartkenny@gmail.com>
Date: Thu, 25 Nov 2021 15:32:44 +0000
Subject: [PATCH] Destroy backbuffer when shutting down vulkan conext.

---
 libretro/LibretroVulkanContext.cpp | 31 +++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/libretro/LibretroVulkanContext.cpp b/libretro/LibretroVulkanContext.cpp
index baec2450d5..06c75af08f 100644
--- a/libretro/LibretroVulkanContext.cpp
+++ b/libretro/LibretroVulkanContext.cpp
@@ -143,23 +143,28 @@ void LibretroVulkanContext::CreateDrawContext() {
 }
 
 void LibretroVulkanContext::Shutdown() {
-	LibretroHWRenderContext::Shutdown();
+   if (!vk) {
+      return;
+   }
 
-	if (!vk) {
-		return;
-	}
+   if (draw_)
+      draw_->HandleEvent(Draw::Event::LOST_BACKBUFFER, vk->GetBackbufferWidth(), vk->GetBackbufferHeight());
 
-	vk->WaitUntilQueueIdle();
+   delete draw_;
+   draw_ = nullptr;
 
-	vk->DestroySwapchain();
-	vk->DestroySurface();
-	vk->DestroyDevice();
-	vk->DestroyInstance();
-	delete vk;
-	vk = nullptr;
+   vk->WaitUntilQueueIdle();
 
-	finalize_glslang();
-	vk_libretro_shutdown();
+   vk->DestroySwapchain();
+   vk->DestroySurface();
+   vk->DestroyDevice();
+   vk->DestroyInstance();
+
+   delete vk;
+   vk = nullptr;
+
+   finalize_glslang();
+   vk_libretro_shutdown();
 }
 
 void *LibretroVulkanContext::GetAPIContext() { return vk; }