externals: Add vma and initialize it

video_core: Move vma implementation to library

externals/CMakeLists.txt

@@ -143,6 +143,11 @@ endif()
 # TZDB (Time Zone Database)
 add_subdirectory(nx_tzdb)
 
+# VMA
+add_library(vma vma/vma.cpp)
+target_include_directories(vma PUBLIC ./vma/vma/include)
+target_link_libraries(vma PRIVATE Vulkan::Headers)
+
 if (NOT TARGET LLVM::Demangle)
     add_library(demangle demangle/ItaniumDemangle.cpp)
     target_include_directories(demangle PUBLIC ./demangle)

externals/vma/vma

@@ -0,0 +1 @@
+Subproject commit 0aa3989b8f382f185fdf646cc83a1d16fa31d6ab

externals/vma/vma.cpp

@@ -0,0 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#define VMA_IMPLEMENTATION
+#include <vk_mem_alloc.h>