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#
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# IN THE SOFTWARE.

fs = import('fs')

mf_cpp_args = cc.get_supported_arguments([
    '/we4267',
    '/we4996',
    '/we4146',
    '/we4244',
    '/we4389',
    '/we4838',
    '/we4302',
    '/we4018',
    '/we4056',
    '/we4305',
    '/we4351',
    '/we4756',
    '/we4800',
    '/we4291',
    '/we4624',
    '/we4309',
    '/we5105',
    '/we4020',
    '/we4024',
    '/we4189',
])
if get_option('mediafoundation-store-dll')
  mf_cpp_args += '-DBUILD_FOR_MSDK' # Can use #if BUILD_FOR_MSDK in .cpp code
endif

mediafoundation_files = files(
  'codecapi.cpp',
  'encode.cpp',
  'encode_av1.cpp',
  'encode_h264.cpp',
  'encode_hevc.cpp',
  'encoder_capabilities.cpp',
  'hmft_entrypoints.cpp',
  'mfbufferhelp.cpp',
  'mfd3dmanager.cpp',
  'mfmediaeventgenerator.cpp',
  'mfpipeinterop.cpp',
  'mfrealtimeclientex.cpp',
  'mfshutdown.cpp',
  'mftransform.cpp',
  'dpb_buffer_manager.cpp',
  'reference_frames_tracker_av1.cpp',
  'reference_frames_tracker_h264.cpp',
  'reference_frames_tracker_hevc.cpp',
  'videobufferlock.cpp',
  'wpptrace.cpp',
)

mediafoundation_wpp_args = ''
foreach f : mediafoundation_files
  mediafoundation_wpp_args += fs.relative_to(f, 'a:\\').replace('/', '\\') + '\r\n'
endforeach

mediafoundation_wpp_rsp = configure_file(
  input : meson.current_source_dir() + '/wppconfig/wpp_args.rsp.template',
  output : 'mediafoundation_wpp_args.rsp',
  configuration : {'WPP_ARGS' : mediafoundation_wpp_args}
)

mft_codecs = get_option('mediafoundation-codecs')
all_mft_codecs = ['h264enc', 'h265enc', 'av1enc']
if mft_codecs.contains('all')
  mft_codecs = all_mft_codecs
endif

foreach c : mft_codecs
  if not _codecs.contains(c)
    error('@0@ present in mediafoundation-codecs must also be present in video-codecs.'.format(c))
  endif
endforeach

mf_codecs_cpp_args = {}
foreach mf_codec_target : all_mft_codecs
  cpp_args = mf_cpp_args
  foreach c : all_mft_codecs
    cpp_args += '-DMFT_CODEC_@0@=@1@'.format(c.to_upper(), (c == mf_codec_target).to_int())
  endforeach
  mf_codecs_cpp_args += {mf_codec_target : cpp_args}
endforeach

mediafoundation_wpp_preprocess = custom_target(
  'mediafoundation_wpp_preprocess',
  capture : true,
  build_always: true,
  input : mediafoundation_files,
  output : 'mediafoundation_wpp_preprocess.dummy.h',
  command : ['tracewpp', '-cfgdir:@CURRENT_SOURCE_DIR@/wppconfig/rev1', '-scan:@CURRENT_SOURCE_DIR@/wpptrace.h', '-odir:@OUTDIR@', '@' + fs.relative_to(mediafoundation_wpp_rsp, 'a:\\')]
)

mediafoundation_st = {}
foreach codec : mft_codecs
  lib = static_library(
    'mediafoundation_st_' + codec,
    mediafoundation_files,
    mediafoundation_wpp_preprocess,
    gnu_symbol_visibility : 'hidden',
    cpp_args : mf_codecs_cpp_args[codec],
    override_options: ['cpp_std=c++20'],
    include_directories : [inc_include, inc_src, inc_mesa, inc_gallium, inc_gallium_aux],
    dependencies : [idep_mesautil, dep_dxheaders],
  )
  mediafoundation_st += {codec : lib}
endforeach

if with_gallium_mediafoundation_test
  subdir('test')
endif