copying code over from alphane engine

third_party/CMakeLists.txt

@@ -0,0 +1,59 @@
+# 1. Vulkan - shaderc, spirv-reflect
+add_library(vulkan INTERFACE)
+
+find_package(Vulkan REQUIRED COMPONENTS shaderc_combined)
+
+# Adding SPIRV-Reflect to vulkan interface
+target_sources(vulkan INTERFACE 
+  ${Vulkan_INCLUDE_DIRS}/SPIRV-Reflect/spirv_reflect.c
+)
+
+target_include_directories(vulkan INTERFACE 
+  ${Vulkan_INCLUDE_DIRS}/SPIRV-Reflect
+)
+
+target_link_libraries(vulkan INTERFACE
+  Vulkan::Vulkan
+  Vulkan::shaderc_combined
+)
+
+# 3. GLFW (static)
+option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF)
+option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF)
+option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF)
+option(GLFW_INSTALL "Generate installation target" OFF)
+option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
+set(GLFW_VULKAN_STATIC ON CACHE BOOL "Link Vulkan statically with GLFW" FORCE)
+add_subdirectory(glfw)
+
+# 4. GLM (static)
+add_library(glm INTERFACE)
+target_include_directories(glm INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/glm)
+
+# 5. IMGUI (static)
+set(IMGUI_DIR ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
+
+add_library(imgui STATIC
+  ${IMGUI_DIR}/imgui.cpp
+  ${IMGUI_DIR}/imgui_draw.cpp
+  ${IMGUI_DIR}/imgui_demo.cpp   # remove this 
+  ${IMGUI_DIR}/imgui_tables.cpp
+  ${IMGUI_DIR}/imgui_widgets.cpp
+  ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp
+  ${IMGUI_DIR}/backends/imgui_impl_vulkan.cpp
+)
+
+target_include_directories(imgui PUBLIC
+  ${IMGUI_DIR}
+  ${IMGUI_DIR}/backends
+  ${Vulkan_INCLUDE_DIRS}
+)
+
+target_link_libraries(imgui PRIVATE
+  glfw
+  vulkan
+)
+
+if(UNIX AND NOT APPLE)
+  target_compile_options(imgui PRIVATE -fPIC)
+endif()