fix: fix VMA crash caused by null VkInstance

Author: MrSoup678

deps/VulkanMemoryAllocator/vk_mem_alloc.h

@@ -3999,7 +3999,8 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage(
 #endif // AMD_VULKAN_MEMORY_ALLOCATOR_H
 
 // For Visual Studio IntelliSense.
-#if defined(__cplusplus) && defined(__INTELLISENSE__)
+//Planted directly from miniaudio.
+#if defined(Q_CREATOR_RUN) || defined(__INTELLISENSE__) || defined(__CDT_PARSER__)
 #define VMA_IMPLEMENTATION
 #endif
 

src/misc/memalloc_backends/backend_vma.cpp

@@ -25,6 +25,7 @@
 #include "wrappers/device.h"
 #include "wrappers/memory_block.h"
 #include "wrappers/physical_device.h"
+#include "wrappers/instance.h"
 
 /* Inject Vulkan Memory Allocator impl (ignore any warnings reported for the library) ==> */
 #define VMA_IMPLEMENTATION 
@@ -175,6 +176,9 @@ bool Anvil::MemoryAllocatorBackends::VMA::VMAAllocator::init()
     create_info.preferredLargeHeapBlockSize = 0;
     create_info.pVulkanFunctions            = m_vma_func_ptrs.get();
 
+    //Ideally we need user to supply this.
+    create_info.instance                    = m_device_ptr->get_parent_instance()->get_instance_vk();
+
     result = vmaCreateAllocator(&create_info,
                                 &m_allocator);