cmake_minimum_required(VERSION 3.21)

include("${CMAKE_CURRENT_LIST_DIR}/cmake/warnings.cmake")
if(DAXA_USE_VCPKG)
    include("${CMAKE_CURRENT_LIST_DIR}/cmake/vcpkg.cmake")
endif()

if(DAXA_ENABLE_UTILS_TASK_GRAPH)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-task-graph")
    set(DAXA_ENABLE_UTILS_MEM true)
endif()
if(DAXA_ENABLE_UTILS_FSR2)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-fsr2")
endif()
if(DAXA_ENABLE_UTILS_IMGUI)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-imgui")
endif()
if(DAXA_ENABLE_UTILS_MEM)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-mem")
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_GLSLANG)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-pipeline-manager-glslang")
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_SLANG)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-pipeline-manager-slang")
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_SPIRV_VALIDATION)
    list(APPEND VCPKG_MANIFEST_FEATURES "utils-pipeline-manager-spirv-validation")
endif()
if(DAXA_ENABLE_TESTS)
    list(APPEND VCPKG_MANIFEST_FEATURES "tests")
endif()

project(daxa VERSION 3.0.2)

if(DAXA_ENABLE_STATIC_ANALYSIS)
    set(CPPCHECK_TEMPLATE "gcc")
    find_program(CPPCHECK cppcheck)
    find_program(CLANG_TIDY clang-tidy)
    if(CPPCHECK)
        set(CMAKE_CXX_CPPCHECK
            ${CPPCHECK}
            --template=${CPPCHECK_TEMPLATE}
            --enable=style,performance,warning,portability
            --inline-suppr
            --suppress=cppcheckError
            --suppress=internalAstError
            --suppress=unmatchedSuppression
            --suppress=preprocessorErrorDirective
            --suppress=exceptThrowInDestructor
            --suppress=functionStatic
            --inconclusive)
    endif()
    if(CLANG_TIDY)
        set(CMAKE_CXX_CLANG_TIDY
            ${CLANG_TIDY}
            --fix)
    endif()
else()
    # TODO(capi): re-enable when not dealing with the compile errors.
    # Also, the features in the CMakePresets are disabled for now
    set(CMAKE_UNITY_BUILD true)
endif()

add_library(daxa
    "src/cpp_wrapper.cpp"

    "src/impl_device.cpp"
    "src/impl_features.cpp"
    "src/impl_instance.cpp"
    "src/impl_core.cpp"
    "src/impl_pipeline.cpp"
    "src/impl_swapchain.cpp"
    "src/impl_command_recorder.cpp"
    "src/impl_gpu_resources.cpp"
    "src/impl_sync.cpp"
    "src/impl_dependencies.cpp"
    "src/impl_timeline_query.cpp"

    "src/utils/impl_task_graph.cpp"
    "src/utils/impl_task_graph_mk2.cpp"
    "src/utils/impl_imgui.cpp"
    "src/utils/impl_fsr2.cpp"
    "src/utils/impl_mem.cpp"
    "src/utils/impl_pipeline_manager.cpp"
)

add_library(daxa::daxa ALIAS daxa)

if(BUILD_SHARED_LIBS)
    if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
        target_compile_definitions(${PROJECT_NAME}
            PRIVATE "$<IF:$<CXX_COMPILER_ID:Clang>,DAXA_CMAKE_EXPORT=[[gnu::dllexport]],DAXA_CMAKE_EXPORT=__declspec(dllexport)>"
            INTERFACE "$<IF:$<CXX_COMPILER_ID:Clang>,DAXA_CMAKE_EXPORT=[[gnu::dllimport]],DAXA_CMAKE_EXPORT=__declspec(dllimport)>")
    else()
        target_compile_definitions(${PROJECT_NAME}
            PUBLIC "DAXA_CMAKE_EXPORT=")
    endif()
else()
    target_compile_definitions(${PROJECT_NAME}
        PUBLIC "DAXA_CMAKE_EXPORT=")
endif()

target_compile_features(daxa PUBLIC cxx_std_20)

find_package(Vulkan REQUIRED)
find_package(VulkanMemoryAllocator CONFIG REQUIRED)

include(GNUInstallDirs)

target_compile_definitions(daxa
    PUBLIC
    $<BUILD_INTERFACE:DAXA_SHADER_INCLUDE_DIR="${CMAKE_CURRENT_LIST_DIR}/include">
)

if(DAXA_USE_STATIC_CRT AND CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
    set_property(TARGET ${PROJECT_NAME} PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
endif()

if(DAXA_ENABLE_UTILS_FSR2)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_FSR2=true
    )
    find_package(fsr2 CONFIG REQUIRED)
    target_link_libraries(daxa
        PRIVATE
        fsr2::ffx_fsr2_api
        fsr2::ffx_fsr2_api_vk
    )
endif()
if(DAXA_ENABLE_UTILS_IMGUI)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_IMGUI=true
    )
    find_package(imgui CONFIG REQUIRED)
    target_link_libraries(daxa
        PUBLIC
        imgui::imgui
    )
endif()
if(DAXA_ENABLE_UTILS_MEM)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_MEM=true
    )
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_GLSLANG)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_PIPELINE_MANAGER_GLSLANG=true
    )
    find_package(glslang CONFIG REQUIRED)
    find_package(Threads REQUIRED)
    target_link_libraries(daxa
        PRIVATE
        glslang::glslang
        glslang::SPIRV
    )
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_SLANG)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_PIPELINE_MANAGER_SLANG=true
    )
    find_library(SLANG_LIB slang)
    target_link_libraries(daxa PRIVATE ${SLANG_LIB})

    if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
        # NOTE(grundlett): Really hacky. It appears there's no way to create plugin dll dependencies...
        # see https://gitlab.kitware.com/cmake/cmake/-/issues/22993
        find_program(SLANG_DLL slang.dll)
        find_program(SLANG_GLSLANG_DLL slang-glslang.dll)
        add_custom_command(TARGET daxa POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E copy ${SLANG_DLL} $<TARGET_FILE_DIR:daxa>
            COMMAND ${CMAKE_COMMAND} -E copy ${SLANG_GLSLANG_DLL} $<TARGET_FILE_DIR:daxa>
        )
    else()
        # TODO(grundlett) ...
        # find_file(SLANG_DLL libslang.so)
        # find_file(SLANG_GLSLANG_DLL libslang-glslang.so)
    endif()
endif()
if(DAXA_ENABLE_UTILS_PIPELINE_MANAGER_SPIRV_VALIDATION)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_PIPELINE_MANAGER_SPIRV_VALIDATION=true
    )
    find_package(SPIRV-Tools CONFIG REQUIRED)
    target_link_libraries(daxa
        PRIVATE
        SPIRV-Tools-static
    )
endif()
if(DAXA_ENABLE_UTILS_TASK_GRAPH)
    target_compile_definitions(daxa
        PUBLIC
        DAXA_BUILT_WITH_UTILS_TASK_GRAPH=true
    )
endif()

target_link_libraries(daxa
    PRIVATE
    GPUOpen::VulkanMemoryAllocator
    Vulkan::Vulkan
)

target_include_directories(daxa
    PUBLIC
    $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>
    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)

if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
    find_package(X11)
    if(X11_FOUND)
        target_compile_definitions(daxa
            PUBLIC
            DAXA_BUILT_WITH_X11=true
        )
        target_link_libraries(daxa
            PRIVATE
            ${X11_LIBRARIES}
        )
    endif()

    find_package(Wayland)
    if(Wayland_FOUND)
        target_compile_definitions(daxa
            PUBLIC
            DAXA_BUILT_WITH_WAYLAND=true
        )
        target_link_libraries(daxa
            PRIVATE
            ${Wayland_LIBRARIES}
        )
    endif()
endif()

set_project_warnings(daxa)

if(DAXA_ENABLE_TESTS)
    add_subdirectory(tests)
endif()

if(DAXA_ENABLE_TOOLS)
    add_executable(daxa_tools_compile_imgui_shaders "src/utils/impl_imgui.cpp")
    target_compile_definitions(daxa_tools_compile_imgui_shaders PRIVATE DAXA_COMPILE_IMGUI_SHADERS=true)
    target_link_libraries(daxa_tools_compile_imgui_shaders PRIVATE daxa::daxa)
endif()

if(DAXA_INSTALL)
    include("${CMAKE_CURRENT_LIST_DIR}/cmake/packaging.cmake")
endif()