project('libva-utils', 'c', 'cpp',
        version : '2.21.0',
        default_options : [
          'warning_level=2',
          'c_std=gnu99',
          'default_library=static',
        ],
        license : 'MIT',
        meson_version : '>= 0.42.0')

c = meson.get_compiler('c')

threads = dependency('threads')

libva_dep = dependency('libva', version: '>= 1.1.0')

libva_utils_flags = [ '-Wno-unused-parameter',
                      '-Wno-sign-compare' ]

backends = ''

# DRM
use_drm = false
drm_deps=[]
if get_option('drm') != 'false'
  require_drm = get_option('drm') == 'true'
  drm_deps = [
    dependency('libva-drm', version: libva_dep.version(), required: require_drm),
    dependency('libdrm', required: require_drm),
  ]
  use_drm = true
  foreach d : drm_deps
    if not d.found()
      use_drm = false
    endif
  endforeach
  if use_drm
    backends += ' drm'
    libva_utils_flags += [ '-DHAVE_VA_DRM=1' ]
  endif
endif

# X11
use_x11 = false
if get_option('x11') != 'false'
  require_x11 = get_option('x11') == 'true'
  x11_deps = [
    dependency('x11', required: require_x11),
    dependency('libva-x11', version: libva_dep.version(), required: require_x11),
  ]
  use_x11 = true
  foreach d : x11_deps
    if not d.found()
      use_x11 = false
    endif
  endforeach
  if use_x11
    backends += ' x11'
    libva_utils_flags += [ '-DHAVE_VA_X11=1' ]
  endif
endif

# WAYLAND
use_wayland = false
if get_option('wayland') != 'false'
  require_wayland = get_option('wayland') == 'true'
  wayland_deps = [
    dependency('wayland-client', version: '>= 1.0.0', required: require_wayland),
    dependency('libva-wayland', version: libva_dep.version(), required: require_wayland),
  ]
  use_wayland = true
  foreach d : wayland_deps
    if not d.found()
      use_wayland = false
    endif
  endforeach
  if use_wayland
    backends += ' wayland'
    libva_utils_flags += [ '-DHAVE_VA_WAYLAND=1' ]
  endif
endif

# WIN32
use_win32 = false
if get_option('win32') != 'false'
  require_win32 = get_option('win32') == 'true'
  use_win32 = dependency('libva-win32', version: libva_dep.version(), required: require_win32).found()
  if use_win32
    libva_utils_flags = [ '-DHAVE_VA_WIN32=1', '-DNOMINMAX']
    dep_dxheaders = dependency('directx-headers', required : false)
    if not dep_dxheaders.found()
      dep_dxheaders = dependency('DirectX-Headers',
        version : '>= v1.0.2',
        fallback : ['DirectX-Headers', 'dep_dxheaders'],
        required : use_win32
      )
    endif
  endif
endif

add_project_arguments(libva_utils_flags,
                      language: ['c', 'cpp'])

if use_win32
  subdir('getopt')
  win32_deps = [ dependency('libva-win32', required: require_win32), idep_getopt, dep_dxheaders]
endif

subdir('common') # Uses win32_deps
subdir('vainfo')

if not use_win32
  subdir('decode')
  subdir('encode')
  subdir('putsurface')
  subdir('videoprocess')
  subdir('vendor/intel')
  subdir('vendor/intel/sfcsample')
endif

if get_option('tests')
  subdir('test')
endif

if meson.version().version_compare('>= 0.53')
  summary({
    'Libva VA-API version' : libva_dep.version(),
    'Installation prefix' : get_option('prefix'),
    'Extra window systems' : backends,
    'Enable Unit-tests': get_option('tests')
  }, bool_yn: true)
endif