#
# Tools used to generate source during the build:
#

add_custom_target(
    all-generators
    COMMENT "meta target which depends on all generators"
)
set_target_properties(all-generators PROPERTIES FOLDER generators)

if(CMAKE_HOST_WIN32)
    set(CMAKE_HOST_EXECUTABLE_SUFFIX ".exe")
else()
    set(CMAKE_HOST_EXECUTABLE_SUFFIX "")
endif()
function(generator dir)
    if(SLANG_GENERATORS_PATH)
        cmake_parse_arguments(ARG "" "TARGET_NAME" "" ${ARGN})
        if(ARG_TARGET_NAME)
            set(target ${ARG_TARGET_NAME})
        else()
            get_filename_component(target ${dir} NAME)
        endif()
        add_executable(${target} IMPORTED GLOBAL)
        set_property(
            TARGET ${target}
            PROPERTY
                IMPORTED_LOCATION
                    "${SLANG_GENERATORS_PATH}/${target}${CMAKE_HOST_EXECUTABLE_SUFFIX}"
        )
    else()
        slang_add_target(
            ${dir}
            EXECUTABLE
            EXCLUDE_FROM_ALL
            USE_FEWER_WARNINGS
            LINK_WITH_PRIVATE core
            OUTPUT_DIR generators
            REQUIRED_BY all-generators
            FOLDER generators
            INSTALL_COMPONENT generators
            EXPORT_SET_NAME SlangGeneratorTargets
            ${ARGN}
        )
    endif()
endfunction()

if(NOT SLANG_OVERRIDE_LUA_PATH)
    generator(
        slang-fiddle
        LINK_WITH_PRIVATE
        compiler-core
        INCLUDE_DIRECTORIES_PUBLIC
        ${slang_SOURCE_DIR}/external
    )
else()
    generator(
        slang-fiddle
        LINK_WITH_PRIVATE
        compiler-core
        INCLUDE_DIRECTORIES_PUBLIC
        ${SLANG_OVERRIDE_LUA_PATH}
    )
endif()
generator(slang-embed)
generator(slang-generate USE_FEWER_WARNINGS)
generator(slang-lookup-generator LINK_WITH_PRIVATE compiler-core)
generator(slang-capability-generator LINK_WITH_PRIVATE compiler-core)
generator(slang-spirv-embed-generator LINK_WITH_PRIVATE compiler-core)
generator(
    ${slang_SOURCE_DIR}/source/slangc
    TARGET_NAME
    slang-bootstrap
    USE_FEWER_WARNINGS
    EXTRA_COMPILE_DEFINITIONS_PRIVATE
    SLANG_BOOTSTRAP=1
    LINK_WITH_PUBLIC
    slang-without-embedded-core-module
    LINK_WITH_PRIVATE
    prelude
    slang-capability-lookup
    slang-lookup-tables
    Threads::Threads
)

slang_add_target(
    slang-cpp-parser
    STATIC
    EXPORT_MACRO_PREFIX SLANG
    USE_FEWER_WARNINGS
    LINK_WITH_PRIVATE core compiler-core
    INCLUDE_DIRECTORIES_PUBLIC .
    FOLDER generators
)

#
# Language Server
#
if(SLANG_ENABLE_SLANGD)
    slang_add_target(
        slangd
        EXECUTABLE
        LINK_WITH_PRIVATE
            core
            compiler-core
            slang
            slang-fiddle-output
            slang-capability-defs
            Threads::Threads
        INSTALL
        EXPORT_SET_NAME SlangTargets
    )
endif()

#
# Slang Interpreter
#
if(SLANG_ENABLE_SLANGI)
    slang_add_target(
        slangi
        EXECUTABLE
        LINK_WITH_PRIVATE core compiler-core slang
        INSTALL
        EXPORT_SET_NAME SlangTargets
    )
endif()

if(SLANG_ENABLE_GFX)
    #
    # GFX
    #
    # `gfx` is kept here for legacy reasons. It's not used by any slang tests but some external
    # projects use it. We should remove it in the future.
    slang_add_target(
        gfx
        ${SLANG_LIB_TYPE}
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE
            core
            slang
            Vulkan-Headers
            metal-cpp
            stb
            $<$<BOOL:${SLANG_ENABLE_XLIB}>:X11::X11>
            $<$<BOOL:${SLANG_ENABLE_CUDA}>:CUDA::cuda_driver>
            $<$<BOOL:${SLANG_ENABLE_NVAPI}>:${NVAPI_LIBRARIES}>
        LINK_WITH_FRAMEWORK Foundation Cocoa QuartzCore Metal
        EXTRA_COMPILE_DEFINITIONS_PRIVATE
            $<$<BOOL:${SLANG_ENABLE_CUDA}>:GFX_ENABLE_CUDA>
            $<$<BOOL:${SLANG_ENABLE_OPTIX}>:GFX_OPTIX>
            $<$<BOOL:${SLANG_ENABLE_NVAPI}>:GFX_NVAPI>
            $<$<BOOL:${SLANG_ENABLE_XLIB}>:SLANG_ENABLE_XLIB>
        # This is a shared library, so we need to set a preprocessor macro to mark
        # exported symbols
        EXPORT_MACRO_PREFIX SLANG_GFX
        # slang-gfx is in this directory, anything which depends on gfx should include
        # this
        INCLUDE_DIRECTORIES_PUBLIC
            ${slang_SOURCE_DIR}
            ${slang_SOURCE_DIR}/include
            if
            (not ${SLANG_OVERRIDE_SPIRV_TOOLS_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC
            ${SLANG_OVERRIDE_SPIRV_TOOLS_PATH}
            endif
            ()
            if
            (not ${SLANG_OVERRIDE_GLM_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC
            ${SLANG_OVERRIDE_GLM_PATH}
            endif
            ()
            if
            (not ${SLANG_OVERRIDE_IMGUI_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC
            ${SLANG_OVERRIDE_IMGUI_PATH}
            endif
            ()
            if
            (not ${SLANG_OVERRIDE_TINYOBJLOADER_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC ${SLANG_OVERRIDE_TINYOBJLOADER_PATH} endif ()
        INCLUDE_DIRECTORIES_PRIVATE ${NVAPI_INCLUDE_DIRS}
        INSTALL
        EXPORT_SET_NAME SlangTargets
        FOLDER gfx
    )

    # Since slang-test does not depend on gfx, we just copy the gfx modules to the slangc
    # directory. So even if slang-test is not built, the gfx modules are still available.
    set(modules_dest_dir $<TARGET_FILE_DIR:slangc>)
    add_custom_target(
        copy-gfx-slang-modules
        COMMAND ${CMAKE_COMMAND} -E make_directory ${modules_dest_dir}
        COMMAND
            ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_DIR}/gfx/gfx.slang
            ${modules_dest_dir}/gfx.slang
        COMMAND
            ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_DIR}/gfx/slang.slang
            ${modules_dest_dir}/slang.slang
        WORKING_DIRECTORY ${slang_SOURCE_DIR}
        VERBATIM
    )
    set_target_properties(copy-gfx-slang-modules PROPERTIES FOLDER generators)
    install(
        FILES ${modules_dest_dir}/gfx.slang ${modules_dest_dir}/slang.slang
        DESTINATION ${runtime_subdir}
    )
endif()
if(SLANG_ENABLE_TESTS AND SLANG_ENABLE_SLANG_RHI)
    # The test executables and runtime-loaded modules
    slang_add_target(
        test-server
        EXECUTABLE
        EXCLUDE_FROM_ALL
        LINK_WITH_PRIVATE core compiler-core slang
        INCLUDE_FROM_PRIVATE unit-test slang-rhi
        FOLDER test
    )
    slang_add_target(
        test-process
        EXECUTABLE
        EXCLUDE_FROM_ALL
        LINK_WITH_PRIVATE core compiler-core
        FOLDER test
    )

    slang_add_target(
        slang-test
        EXECUTABLE
        USE_FEWER_WARNINGS
        INCLUDE_DIRECTORIES_PUBLIC .
        LINK_WITH_PRIVATE
            core
            compiler-core
            slang
            stb
            ${CMAKE_DL_LIBS}
            Threads::Threads
        INCLUDE_FROM_PRIVATE slang-rhi
        REQUIRES
            # Shared libraries dlopened by slang-test
            slang-reflection-test
            slang-unit-test
            # Used by some tests when they run
            slangd
            test-server
            test-process
        OPTIONAL_REQUIRES
            slang-rt
            slang-glslang
            slang-llvm
            copy-webgpu_dawn
            copy-slang-tint
            # See issue 5305.
            copy-prebuilt-binaries
        FOLDER test
        DEBUG_DIR ${slang_SOURCE_DIR}
    )
    set_property(
        DIRECTORY ${slang_SOURCE_DIR}
        PROPERTY VS_STARTUP_PROJECT slang-test
    )

    if(SLANG_ENABLE_GFX)
        add_dependencies(slang-test copy-gfx-slang-modules)
    endif()

    include(CTest)
    add_test(
        NAME slang-test
        COMMAND
            slang-test -bindir
            ${slang_SOURCE_DIR}/build/$<CONFIG>/${runtime_subdir}
            -expected-failure-list
            ${slang_SOURCE_DIR}/tests/expected-failure.txt
            -expected-failure-list
            ${slang_SOURCE_DIR}/tests/expected-failure-github.txt
        WORKING_DIRECTORY ${slang_SOURCE_DIR}
    )

    slang_add_target(
        unit-test
        OBJECT
        EXCLUDE_FROM_ALL
        INCLUDE_DIRECTORIES_PUBLIC .
        INCLUDE_FROM_PRIVATE slang core
        INCLUDE_DIRECTORIES_PRIVATE ${slang_SOURCE_DIR}/include
        FOLDER test
    )

    # These are libraries loaded at runtime from the test executable:
    #
    # `platform` contains all the platform abstractions for a GUI application.
    #
    slang_add_target(
        platform
        ${SLANG_LIB_TYPE}
        EXCLUDE_FROM_ALL
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE
            core
            imgui
            stb
            $<$<BOOL:${SLANG_ENABLE_XLIB}>:X11::X11>
            slang-rhi
            "$<$<PLATFORM_ID:Darwin>:-framework Cocoa>"
            "$<$<PLATFORM_ID:Darwin>:-framework QuartzCore>"
            ${CMAKE_DL_LIBS}
        LINK_WITH_FRAMEWORK Foundation Cocoa QuartzCore
        EXTRA_COMPILE_DEFINITIONS_PRIVATE
            $<$<BOOL:${SLANG_ENABLE_XLIB}>:SLANG_ENABLE_XLIB=1>
        INCLUDE_FROM_PRIVATE imgui slang-rhi
        INCLUDE_DIRECTORIES_PUBLIC
            .
            platform
            if
            (not ${SLANG_OVERRIDE_GLM_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC ${SLANG_OVERRIDE_GLM_PATH} endif ()
        EXPORT_MACRO_PREFIX SLANG_PLATFORM
    )

    slang_add_target(
        gfx-unit-test
        MODULE
        EXCLUDE_FROM_ALL
        EXTRA_COMPILE_DEFINITIONS_PRIVATE SLANG_SHARED_LIBRARY_TOOL
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE core slang unit-test stb platform slang-rhi
        INCLUDE_FROM_PRIVATE slang-rhi
        INCLUDE_DIRECTORIES_PUBLIC
            .
            platform
            if
            (not ${SLANG_OVERRIDE_GLM_PATH})
        INCLUDE_DIRECTORIES_PUBLIC ${slang_SOURCE_DIR}/external else ()
        INCLUDE_DIRECTORIES_PUBLIC ${SLANG_OVERRIDE_GLM_PATH} endif ()
        OUTPUT_NAME gfx-unit-test-tool
        REQUIRED_BY slang-test
        FOLDER test/tools
    )

    slang_add_target(
        render-test
        MODULE
        EXCLUDE_FROM_ALL
        EXTRA_COMPILE_DEFINITIONS_PRIVATE SLANG_SHARED_LIBRARY_TOOL
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE
            core
            compiler-core
            slang
            slang-rhi
            platform
            stb
            $<$<BOOL:${SLANG_ENABLE_CUDA}>:CUDA::cuda_driver>
        INCLUDE_FROM_PRIVATE slang-rhi
        EXTRA_COMPILE_DEFINITIONS_PRIVATE
            $<$<BOOL:${SLANG_ENABLE_CUDA}>:RENDER_TEST_CUDA>
            $<$<BOOL:${SLANG_ENABLE_OPTIX}>:RENDER_TEST_OPTIX>
        EXTRA_COMPILE_OPTIONS_PRIVATE $<$<CXX_COMPILER_ID:MSVC>:/EHa>
        OUTPUT_NAME render-test-tool
        REQUIRED_BY slang-test
        FOLDER test/tools
    )

    slang_add_target(
        slang-unit-test
        MODULE
        EXCLUDE_FROM_ALL
        EXTRA_COMPILE_DEFINITIONS_PRIVATE
            SLANG_SHARED_LIBRARY_TOOL
            SLANG_NO_DEPRECATION
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE core compiler-core unit-test slang Threads::Threads
        OUTPUT_NAME slang-unit-test-tool
        FOLDER test/tools
    )
    slang_add_target(
        slang-reflection-test
        MODULE
        EXCLUDE_FROM_ALL
        EXTRA_COMPILE_DEFINITIONS_PRIVATE SLANG_SHARED_LIBRARY_TOOL
        USE_FEWER_WARNINGS
        LINK_WITH_PRIVATE core slang Threads::Threads
        OUTPUT_NAME slang-reflection-test-tool
        FOLDER test/tools
    )

    slang_add_target(
        slang-profile
        EXECUTABLE
        EXCLUDE_FROM_ALL
        LINK_WITH_PRIVATE core slang
        FOLDER test
    )
endif()

#
# slang-replay tool for replaying the record files
#
if(SLANG_ENABLE_REPLAYER)
    slang_add_target(
        slang-replay
        EXECUTABLE
        EXTRA_SOURCE_DIRS
            ${slang_SOURCE_DIR}/source/slang-record-replay/replay
            ${slang_SOURCE_DIR}/source/slang-record-replay/util
        LINK_WITH_PRIVATE core compiler-core slang
        INCLUDE_DIRECTORIES_PUBLIC
            ${slang_SOURCE_DIR}/source/slang-record-replay
        FOLDER test
    )
endif()