cmake_minimum_required(VERSION 3.21)

project("PS2 Retro X")

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

option(PS2X_RUNTIME OFF)

# ARM64 support using sse2neon
if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64|ARM64")
    message(STATUS "ARM64 detected, fetching sse2neon")

    include(FetchContent)
    FetchContent_Declare(
        sse2neon
        GIT_REPOSITORY https://github.com/DLTcollab/sse2neon.git
        GIT_TAG v1.9.1
        GIT_SHALLOW TRUE
    )
    FetchContent_MakeAvailable(sse2neon)

    include_directories(${sse2neon_SOURCE_DIR})
    add_compile_definitions(USE_SSE2NEON)

    if(APPLE)
        # macOS ARM64 already uses optimal defaults
        message(STATUS "macOS ARM64 - using default compiler flags")
    elseif(MSVC)
        # Windows ARM64 - MSVC already uses optimal defaults
        message(STATUS "Windows ARM64 (MSVC) - using default compiler flags")
    else()
        # Linux ARM64 - add NEON flags
        message(STATUS "Non-Apple ARM64 - adding NEON compiler flags")
        add_compile_options(-march=armv8-a+fp+simd)

        # Try to enable crypto and CRC extensions if supported
        include(CheckCXXCompilerFlag)
        check_cxx_compiler_flag("-march=armv8-a+fp+simd+crypto+crc" COMPILER_SUPPORTS_CRYPTO_CRC)
        if(COMPILER_SUPPORTS_CRYPTO_CRC)
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+fp+simd+crypto+crc")
            message(STATUS "Crypto and CRC extensions enabled")
        endif()
    endif()
endif()

add_subdirectory("ps2xRecomp")

add_subdirectory("ps2xRuntime")

add_subdirectory("ps2xAnalyzer")
add_subdirectory("ps2xTest")
add_subdirectory("ps2xStudio")
