# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.

  if (onnxruntime_MINIMAL_BUILD AND NOT onnxruntime_EXTENDED_MINIMAL_BUILD)
    message(FATAL_ERROR "WebGPU EP can not be used in a basic minimal build. Please build with '--minimal_build extended'")
  endif()

  add_compile_definitions(USE_WEBGPU=1)
  if (onnxruntime_ENABLE_WEBASSEMBLY_THREADS)
    add_definitions(-DENABLE_WEBASSEMBLY_THREADS=1)
  endif()
  file(GLOB_RECURSE onnxruntime_providers_webgpu_cc_srcs CONFIGURE_DEPENDS
    "${ONNXRUNTIME_ROOT}/core/providers/webgpu/*.h"
    "${ONNXRUNTIME_ROOT}/core/providers/webgpu/*.cc"
  )
  if(NOT onnxruntime_DISABLE_CONTRIB_OPS)
    source_group(TREE ${ONNXRUNTIME_ROOT} FILES ${onnxruntime_webgpu_contrib_ops_cc_srcs})
    list(APPEND onnxruntime_providers_webgpu_cc_srcs ${onnxruntime_webgpu_contrib_ops_cc_srcs})
  endif()

  source_group(TREE ${REPO_ROOT} FILES ${onnxruntime_providers_webgpu_cc_srcs})
  onnxruntime_add_static_library(onnxruntime_providers_webgpu ${onnxruntime_providers_webgpu_cc_srcs})
  onnxruntime_add_include_to_target(onnxruntime_providers_webgpu
    onnxruntime_common dawn::dawncpp_headers dawn::dawn_headers onnx onnx_proto flatbuffers::flatbuffers Boost::mp11 safeint_interface)

  set(onnxruntime_providers_webgpu_dll_deps)

  if (onnxruntime_BUILD_DAWN_MONOLITHIC_LIBRARY)
    target_link_libraries(onnxruntime_providers_webgpu dawn::webgpu_dawn)

    if (WIN32)
      if (onnxruntime_ENABLE_DELAY_LOADING_WIN_DLLS)
        list(APPEND onnxruntime_DELAYLOAD_FLAGS "/DELAYLOAD:webgpu_dawn.dll")
      endif()

      list(APPEND onnxruntime_providers_webgpu_dll_deps "$<TARGET_FILE:dawn::webgpu_dawn>")
    endif()
  else()
    if (NOT onnxruntime_USE_EXTERNAL_DAWN)
      target_link_libraries(onnxruntime_providers_webgpu dawn::dawn_native)
    endif()
    target_link_libraries(onnxruntime_providers_webgpu dawn::dawn_proc)
  endif()

  if (WIN32 AND onnxruntime_ENABLE_DAWN_BACKEND_D3D12)
    # Ensure dxil.dll and dxcompiler.dll exist in the output directory $<TARGET_FILE_DIR:dxcompiler>
    add_dependencies(onnxruntime_providers_webgpu copy_dxil_dll)
    add_dependencies(onnxruntime_providers_webgpu dxcompiler)

    list(APPEND onnxruntime_providers_webgpu_dll_deps "$<TARGET_FILE_DIR:dxcompiler>/dxil.dll")
    list(APPEND onnxruntime_providers_webgpu_dll_deps "$<TARGET_FILE_DIR:dxcompiler>/dxcompiler.dll")
  endif()

  if (onnxruntime_providers_webgpu_dll_deps)
    # Copy dependency DLLs to the output directory
    add_custom_command(
      TARGET onnxruntime_providers_webgpu
      POST_BUILD
      COMMAND ${CMAKE_COMMAND} -E copy_if_different "${onnxruntime_providers_webgpu_dll_deps}" "$<TARGET_FILE_DIR:onnxruntime_providers_webgpu>"
      COMMAND_EXPAND_LISTS
      VERBATIM )
  endif()

  add_dependencies(onnxruntime_providers_webgpu ${onnxruntime_EXTERNAL_DEPENDENCIES})
  set_target_properties(onnxruntime_providers_webgpu PROPERTIES FOLDER "ONNXRuntime")