[UI] Integrate the imgui GLFW Vulkan demo

CMakePresets.json

@@ -153,6 +153,9 @@
             "environment": {
                 "CFLAGS": "/fsanitize=address",
                 "CXXFLAGS": "/fsanitize=address"
+            },
+            "cacheVariables": {
+                "CMAKE_VERBOSE_MAKEFILE": "ON"
             }
         },
         {

cmake/dependencies.cmake

@@ -3,12 +3,67 @@ include(cmake/cpm.cmake)
 # Done as a function so that updates to variables like CMAKE_CXX_FLAGS don't
 # propagate out to other targets
 function(setup_dependencies)
-  
+
   # doctest
   if(${SANDBOX_ENABLE_TESTS})
     cpmaddpackage(GITHUB_REPOSITORY doctest/doctest GIT_TAG v2.4.11)
   endif()
 
+  # cmake-format: off
+  if(${SANDBOX_ENABLE_UI})
+    # GLFW
+    cpmaddpackage(
+      GITHUB_REPOSITORY
+      glfw/glfw
+      GIT_TAG
+      3.4
+      OPTIONS
+      "GLFW_BUILD_EXAMPLES OFF"
+      "GLFW_BUILD_TESTS OFF"
+      "GLFW_BUILD_DOCS OFF"
+      "GLFW_INSTALL OFF")
+
+    # imgui
+    cpmaddpackage(
+      GITHUB_REPOSITORY
+      ocornut/imgui
+      GIT_TAG
+      v1.91.9b)
+
+    # cmake-format: on
+
+    if(imgui_ADDED)
+      add_library(imgui)
+      target_sources(
+        imgui
+        PUBLIC FILE_SET
+               header
+               TYPE
+               HEADERS
+               BASE_DIRS
+               ${imgui_SOURCE_DIR}
+               FILES
+               ${imgui_SOURCE_DIR}/imgui.h)
+      target_sources(
+        imgui
+        PRIVATE ${imgui_SOURCE_DIR}/imgui.cpp
+                ${imgui_SOURCE_DIR}/imgui_demo.cpp
+                ${imgui_SOURCE_DIR}/imgui_draw.cpp
+                ${imgui_SOURCE_DIR}/imgui_tables.cpp
+                ${imgui_SOURCE_DIR}/imgui_widgets.cpp
+                ${imgui_SOURCE_DIR}/backends/imgui_impl_glfw.cpp
+                ${imgui_SOURCE_DIR}/backends/imgui_impl_vulkan.cpp)
+      target_include_directories(
+        imgui PUBLIC $<BUILD_INTERFACE:${imgui_SOURCE_DIR}>
+                     $<BUILD_INTERFACE:${imgui_SOURCE_DIR}>/backends)
+      target_link_libraries(imgui PUBLIC glfw Vulkan::Vulkan)
+      # if(UNIX) find_package(Threads REQUIRED) target_link_libraries(miniaudio
+      # PUBLIC ${CMAKE_DL_LIBS} ${CMAKE_THREAD_LIBS_INIT}) endif()
+    endif()
+
+    # Vulkan
+    find_package(Vulkan REQUIRED)
+  endif()
 endfunction()
 
 # CPM licenses target here

ui/CMakeLists.txt

+# @brief SandBox UI executable root cmake file
+
+add_executable(sandbox_ui)
+add_executable(sandbox::ui ALIAS sandbox_ui)
+
+target_sources(sandbox_ui PRIVATE "main.cc")
+
+target_link_libraries(sandbox_ui PUBLIC imgui sandbox::lib)
+
+add_custom_command(
+  TARGET sandbox_ui
+  POST_BUILD
+  COMMAND
+    ${CMAKE_COMMAND} -E echo
+    "sandbox_ui runtime dependencies: $<TARGET_RUNTIME_DLLS:sandbox_ui>")
+
+set(have_runtime_dlls $<BOOL:$<TARGET_RUNTIME_DLLS:sandbox_ui>>)
+
+set(runtime_dlls_command
+    ${CMAKE_COMMAND} -E copy_if_different $<TARGET_RUNTIME_DLLS:sandbox_ui>
+    $<TARGET_FILE_DIR:sandbox_ui>)
+
+add_custom_command(
+  TARGET sandbox_ui
+  POST_BUILD
+  COMMAND "$<${have_runtime_dlls}:${runtime_dlls_command}>"
+  COMMAND_EXPAND_LISTS)
+
+install(
+  TARGETS sandbox_ui
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  INCLUDES
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})