init

examples/example_win32_directx11/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.20)
+project(example_win32_directx11)
+
+# ---------------------------------------------------------------------------
+# C++ standard
+# The original .vcxproj used "stdcpplatest" on x64 configs. CMake 3.20+
+# supports C++23; adjust downward to 20 if your toolchain doesn't support 23.
+# ---------------------------------------------------------------------------
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# ---------------------------------------------------------------------------
+# Source files
+# Paths are relative to this CMakeLists.txt, which lives at:
+#   astral/examples/example_win32_directx11/
+# ---------------------------------------------------------------------------
+set(IMGUI_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../..")
+
+set(SOURCES
+        main.cpp
+
+        # core imgui
+        ${IMGUI_ROOT}/imgui.cpp
+        ${IMGUI_ROOT}/imgui_demo.cpp
+        ${IMGUI_ROOT}/imgui_draw.cpp
+        ${IMGUI_ROOT}/imgui_tables.cpp
+        ${IMGUI_ROOT}/imgui_widgets.cpp
+
+        # Win32 + DirectX 11 backends
+        ${IMGUI_ROOT}/backends/imgui_impl_dx11.cpp
+        ${IMGUI_ROOT}/backends/imgui_impl_win32.cpp
+
+        # FreeType font rasterizer — always compiled because imconfig.h defines
+        # IMGUI_ENABLE_FREETYPE unconditionally.
+        ${IMGUI_ROOT}/misc/freetype/imgui_freetype.cpp
+)
+
+# ---------------------------------------------------------------------------
+# Target
+# ---------------------------------------------------------------------------
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+# ---------------------------------------------------------------------------
+# Include directories
+# ---------------------------------------------------------------------------
+target_include_directories(${PROJECT_NAME} PRIVATE
+        ${IMGUI_ROOT}
+        ${IMGUI_ROOT}/backends
+)
+
+# ---------------------------------------------------------------------------
+# Preprocessor definitions
+# ---------------------------------------------------------------------------
+
+# The original project used Unicode on Win32 and MultiByte on x64.
+# We default to Unicode (the more modern choice). Override with -DUSE_MBCS=ON.
+option(USE_MBCS "Use Multi-Byte Character Set instead of Unicode" OFF)
+if(USE_MBCS)
+    target_compile_definitions(${PROJECT_NAME} PRIVATE _MBCS)
+else()
+    target_compile_definitions(${PROJECT_NAME} PRIVATE UNICODE _UNICODE)
+endif()
+
+# ---------------------------------------------------------------------------
+# Compiler options  (MSVC)
+# ---------------------------------------------------------------------------
+if(MSVC)
+    target_compile_options(${PROJECT_NAME} PRIVATE
+            /W4         # Warning level 4 (original setting)
+            /utf-8      # Source and execution charset = UTF-8
+            /MP         # Multi-processor compilation (was enabled on x64 configs)
+    )
+
+    # Debug-specific flags
+    target_compile_options(${PROJECT_NAME} PRIVATE
+            $<$<CONFIG:Debug>:/Od>     # Disable optimization
+    )
+
+    # Release-specific flags
+    target_compile_options(${PROJECT_NAME} PRIVATE
+            $<$<CONFIG:Release>:/O2>   # Max speed
+            $<$<CONFIG:Release>:/Gy>   # Function-level linking
+            $<$<CONFIG:Release>:/Oi>   # Intrinsic functions
+            $<$<CONFIG:Release>:/GS->  # Disable buffer security check (as in original)
+    )
+
+    # Link-time code generation / whole-program optimisation for Release
+    set_property(TARGET ${PROJECT_NAME} PROPERTY
+            INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
+    )
+
+    # Linker: COMDAT folding + reference optimisation for Release
+    target_link_options(${PROJECT_NAME} PRIVATE
+            $<$<CONFIG:Release>:/OPT:REF>
+            $<$<CONFIG:Release>:/OPT:ICF>
+    )
+
+    # Always emit PDB debug info (GenerateDebugInformation was true in all configs)
+    target_link_options(${PROJECT_NAME} PRIVATE /DEBUG)
+
+    # Console subsystem (SubSystem = Console in original)
+    target_link_options(${PROJECT_NAME} PRIVATE /SUBSYSTEM:CONSOLE)
+endif()
+
+# ---------------------------------------------------------------------------
+# Link libraries
+# ---------------------------------------------------------------------------
+target_link_libraries(${PROJECT_NAME} PRIVATE
+        d3d11
+        d3dcompiler
+        dxgi
+        dwmapi      # Required for DwmIsCompositionEnabled / DwmEnableBlurBehindWindow etc.
+)
+
+# FreeType — try a system/vcpkg install first, fall back to the local libs/ copy.
+find_package(Freetype QUIET)
+if(Freetype_FOUND)
+    target_link_libraries(${PROJECT_NAME} PRIVATE Freetype::Freetype)
+else()
+    message(STATUS "System FreeType not found, falling back to local libs/freetype")
+    target_include_directories(${PROJECT_NAME} PRIVATE
+            ${CMAKE_CURRENT_SOURCE_DIR}/../libs/freetype/include
+    )
+    target_link_directories(${PROJECT_NAME} PRIVATE
+            ${CMAKE_CURRENT_SOURCE_DIR}/../libs/freetype/objs
+    )
+    target_link_libraries(${PROJECT_NAME} PRIVATE freetype)
+endif()
+
+# ---------------------------------------------------------------------------
+# Output directories  (mirrors the original build\debug / build\release layout)
+# ---------------------------------------------------------------------------
+set_target_properties(${PROJECT_NAME} PROPERTIES
+        RUNTIME_OUTPUT_DIRECTORY_DEBUG   "${CMAKE_CURRENT_SOURCE_DIR}/build/debug"
+        RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/build/release"
+)