vulkan: Add Vulkan memory allocator

.gitmodules

@@ -55,3 +55,6 @@
 [submodule "libyuv"]
     path = externals/libyuv
     url = https://github.com/lemenkov/libyuv.git
+[submodule "externals/vma"]
+	path = externals/vma
+	url = https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator

CMakeLists.txt

@@ -264,6 +264,15 @@ elseif (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
     set(PLATFORM_LIBRARIES rt)
 endif()
 
+if (ENABLE_VULKAN)
+    # Find the VulkanSDK
+    find_package(Vulkan REQUIRED)
+    find_library(SHADERC_LIB shaderc shaderc_shared)
+
+    # Include Vulkan Memory Allocator
+    add_subdirectory(externals/vma)
+endif()
+
 # Setup a custom clang-format target (if clang-format can be found) that will run
 # against all the src files. This should be used before making a pull request.
 # =======================================================================

src/video_core/CMakeLists.txt

@@ -166,12 +166,6 @@ if(ARCHITECTURE_x86_64)
     )
 endif()
 
-if (ENABLE_VULKAN)
-    # Find the VulkanSDK
-    find_package(Vulkan REQUIRED)
-    find_library(SHADERC_LIB shaderc shaderc_shared)
-endif()
-
 create_target_directory_groups(video_core)
 
 target_link_libraries(video_core PUBLIC common core)
@@ -183,5 +177,5 @@ endif()
 
 if (ENABLE_VULKAN)
     target_include_directories(video_core PRIVATE ${Vulkan_INCLUDE_DIRS})
-    target_link_libraries(video_core PRIVATE ${Vulkan_LIBRARIES} ${SHADERC_LIB})
+    target_link_libraries(video_core PRIVATE ${Vulkan_LIBRARIES} ${SHADERC_LIB} vma)
 endif()