Start refactoring CMakeLists.txt

cmake/SetupVulkan.cmake

@@ -0,0 +1,29 @@
+function(SetupVulkan TARGET)
+    if (APPLE)
+        # Try to find xcframework of MoltenVK
+        cmake_path(SET MoltenVK_path NORMALIZE "$ENV{VULKAN_SDK}/../MoltenVK/")
+        cmake_path(SET MoltenVK_XC_path NORMALIZE "$ENV{VULKAN_SDK}/../MoltenVK/MoltenVK.xcframework")
+        if (EXISTS "${MoltenVK_path}" AND EXISTS "${MoltenVK_XC_path}")
+            if (EXISTS "${MoltenVK_path}/include")
+                set(Vulkan_INCLUDE_DIR "${MoltenVK_path}/include")
+            endif()
+
+            target_link_libraries(MadVoxel_Scan PRIVATE "${MoltenVK_XC_path}/ios-arm64/libMoltenVK.a")
+            message("Found MoltenVK xcframework: ${MoltenVK_XC_path}")
+        endif()
+    else ()
+        find_package(Vulkan REQUIRED)
+        target_link_libraries(TARGET PRIVATE Vulkan::Vulkan)
+    endif ()
+    target_include_directories(TARGET PUBLIC ${Vulkan_INCLUDE_DIR})
+
+    if (ANDROID)
+        add_definitions(-DVK_USE_PLATFORM_ANDROID_KHR)
+    elseif (WIN32)
+        add_definitions(-DVK_USE_PLATFORM_WIN32_KHR)
+    elseif (LINUX)
+        add_definitions(-DVK_USE_PLATFORM_XCB_KHR)
+        find_package(XCB REQUIRED)
+        target_link_libraries(TARGET PRIVATE ${XCB_LIBRARIES})
+    endif()
+endfunction()