MoltenVK: Use an external project instead of a pre-compiled dylib

Also, update MoltenVK to match Vulkan SDK 1.2.182.

CMakeLists.txt

@@ -572,6 +572,10 @@ add_subdirectory(Externals/glslang)
 
 if(ENABLE_VULKAN)
   add_definitions(-DHAS_VULKAN)
+
+  if(APPLE)
+    add_subdirectory(Externals/MoltenVK)
+  endif()
 endif()
 
 if(NOT WIN32 OR (NOT (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")))

Externals/MoltenVK/CMakeLists.txt

@@ -0,0 +1,15 @@
+include(ExternalProject)
+
+ExternalProject_Add(MoltenVK
+  GIT_REPOSITORY https://github.com/KhronosGroup/MoltenVK.git
+  GIT_TAG v1.1.4
+
+  CONFIGURE_COMMAND cd <SOURCE_DIR> && ./fetchDependencies --macos
+
+  BUILD_COMMAND make -C <SOURCE_DIR> macos
+
+  INSTALL_COMMAND ""
+
+  LOG_CONFIGURE ON
+  LOG_BUILD ON
+)

Source/Core/DolphinQt/CMakeLists.txt

@@ -511,8 +511,12 @@ if(APPLE)
   endforeach()
 
   # Copy MoltenVK into the bundle
-  target_sources(dolphin-emu PRIVATE "${CMAKE_SOURCE_DIR}/Externals/MoltenVK/libvulkan.dylib")
-  set_source_files_properties("${CMAKE_SOURCE_DIR}/Externals/MoltenVK/libvulkan.dylib" PROPERTIES MACOSX_PACKAGE_LOCATION Frameworks)
+  if(ENABLE_VULKAN)
+    add_dependencies(dolphin-emu MoltenVK)
+    ExternalProject_Get_Property(MoltenVK SOURCE_DIR)
+    target_sources(dolphin-emu PRIVATE "${SOURCE_DIR}/Package/Release/MoltenVK/dylib/macOS/libMoltenVK.dylib")
+    set_source_files_properties("${SOURCE_DIR}/Package/Release/MoltenVK/dylib/macOS/libMoltenVK.dylib" PROPERTIES MACOSX_PACKAGE_LOCATION Frameworks)
+  endif()
 
   # Update library references to make the bundle portable
   include(DolphinPostprocessBundle)

Source/Core/VideoBackends/Vulkan/VulkanLoader.cpp

@@ -44,8 +44,8 @@ static bool OpenVulkanLibrary()
   if (libvulkan_env && s_vulkan_module.Open(libvulkan_env))
     return true;
 
-  // Use the libvulkan.dylib from the application bundle.
-  std::string filename = File::GetBundleDirectory() + "/Contents/Frameworks/libvulkan.dylib";
+  // Use the libMoltenVK.dylib from the application bundle.
+  std::string filename = File::GetBundleDirectory() + "/Contents/Frameworks/libMoltenVK.dylib";
   return s_vulkan_module.Open(filename.c_str());
 #else
   std::string filename = Common::DynamicLibrary::GetVersionedFilename("vulkan", 1);