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