# Vulkan #
if(ENABLE_CPP20_MODULE)
    set(CMAKE_CXX_SCAN_FOR_MODULES ON)
endif()

find_package(Vulkan REQUIRED)
if(ENABLE_CPP20_MODULE)
    add_library(VulkanCppModule)
    add_library(Vulkan::cppm ALIAS VulkanCppModule)

    target_compile_definitions(VulkanCppModule
            PUBLIC VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1 VULKAN_HPP_NO_STRUCT_CONSTRUCTORS=1
    )
    target_include_directories(VulkanCppModule
            PUBLIC
            "${Vulkan_INCLUDE_DIR}"
    )
    target_link_libraries(VulkanCppModule
            PUBLIC
            Vulkan::Vulkan
    )

    set_target_properties(VulkanCppModule PROPERTIES CXX_STANDARD 20)

    if(MSVC)
        target_compile_options(VulkanCppModule PRIVATE
                /std:c++latest
                /permissive-
                /Zc:__cplusplus
                /EHsc
                /Zc:preprocessor
                /translateInclude
        )
    endif()

    target_sources(VulkanCppModule
            PUBLIC
            FILE_SET cxx_modules TYPE CXX_MODULES
            BASE_DIRS
            "${Vulkan_INCLUDE_DIR}"
            FILES
            "${Vulkan_INCLUDE_DIR}/vulkan/vulkan.cppm"
    )

    target_sources(VulkanCppModule
            PRIVATE
            "${Vulkan_INCLUDE_DIR}/vulkan/vulkan.cppm"
    )
else()
    add_library(VulkanCppModule INTERFACE)
    add_library(Vulkan::cppm ALIAS VulkanCppModule)
    target_link_libraries(VulkanCppModule INTERFACE Vulkan::Vulkan)
    target_compile_definitions(VulkanCppModule
            INTERFACE VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1 VULKAN_HPP_NO_STRUCT_CONSTRUCTORS=1
    )
endif()