From 44e0b7ef31c1ec9565508289e74199ea2702d6b1 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Thu, 2 Mar 2023 20:15:55 +0100
Subject: [PATCH] fix null handles in vkDestroy* functions

Fixes https://github.com/DadSchoorse/vkBasalt/issues/205
---
 src/basalt.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/basalt.cpp b/src/basalt.cpp
index 7e539f1..8061050 100644
--- a/src/basalt.cpp
+++ b/src/basalt.cpp
@@ -141,6 +141,9 @@ namespace vkBasalt
 
     void VKAPI_CALL vkBasalt_DestroyInstance(VkInstance instance, const VkAllocationCallbacks* pAllocator)
     {
+        if (!instance)
+            return;
+
         scoped_lock l(globalLock);
 
         Logger::trace("vkDestroyInstance");
@@ -291,6 +294,9 @@ namespace vkBasalt
 
     void VKAPI_CALL vkBasalt_DestroyDevice(VkDevice device, const VkAllocationCallbacks* pAllocator)
     {
+        if (!device)
+            return;
+
         scoped_lock l(globalLock);
 
         Logger::trace("vkDestroyDevice");
@@ -605,6 +611,9 @@ namespace vkBasalt
 
     VKAPI_ATTR void VKAPI_CALL vkBasalt_DestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain, const VkAllocationCallbacks* pAllocator)
     {
+        if (!swapchain)
+            return;
+
         scoped_lock l(globalLock);
         // we need to delete the infos of the oldswapchain
 
@@ -699,6 +708,9 @@ namespace vkBasalt
 
     VKAPI_ATTR void VKAPI_CALL vkBasalt_DestroyImage(VkDevice device, VkImage image, const VkAllocationCallbacks* pAllocator)
     {
+        if (!image)
+            return;
+
         scoped_lock l(globalLock);
 
         LogicalDevice* pLogicalDevice = deviceMap[GetKey(device)].get();