# libva package version number, (as distinct from shared library version)

# XXX: we want the package version to remain at 1.0.x for VA-API 0.32.y

#

# - major version is automatically generated from VA-API major version

# - minor version is automatically generated from VA-API minor version

# - increment micro for any library release

# - reset micro version to zero when VA-API major or minor version is changed

project(

  'libva', 'c',

  version : '2.5.0',

  meson_version : '>= 0.37.0',

  default_options : [ 'warning_level=1',

                      'buildtype=debugoptimized' ])

# VA-API version

# - increment major for any ABI change

# - increment minor for any interface change (e.g. new/modified function)

# - increment micro for any other change (new flag, new codec definition, etc.)

# - reset micro version to zero when minor version is incremented

# - reset minor version to zero when major version is incremented

va_api_major_version = 1

va_api_minor_version = 5

va_api_micro_version = 0

va_api_version = '@0@.@1@.@2@'.format(va_api_major_version,

				      va_api_minor_version,

				      va_api_micro_version)

version_arr = meson.project_version().split('.')

libva_major_version = version_arr[0]

libva_minor_version = version_arr[1]

libva_micro_version = version_arr[2]

libva_version = '@0@.@1@.@2@'.format(libva_major_version,

				     libva_minor_version,

				     libva_micro_version)

if version_arr.length() == 4

  libva_version = '@0@.pre@1@'.format(libva_version, version_arr[3])

endif

# libva library version number (generated, do not change)

# XXX: we want the SONAME to remain at libva.so.1 for VA-API major == 0

#

# The library name is generated libva.<x>.<y>.0 where

# <x> = VA-API major version + 1

# <y> = 100 * VA-API minor version + VA-API micro version

#

# For example:

# VA-API 0.32.0 generates libva.so.1.3200.0

# VA-API 0.34.1 generates libva.so.1.3401.0

# VA-API 1.2.13 generates libva.so.2.213.0

libva_interface_bias = va_api_major_version + 1

libva_interface_age = 0

libva_binary_age = 100 * va_api_minor_version + va_api_micro_version - libva_interface_age

libva_lt_current = 100 * va_api_minor_version + va_api_micro_version + libva_interface_bias

libva_lt_revision = libva_interface_age

libva_lt_age = libva_binary_age - libva_interface_age

libva_lt_current = libva_lt_current - libva_lt_age

libva_lt_version = '@0@.@1@.@2@'.format(libva_lt_current,

					libva_lt_age,

					libva_lt_revision)

driverdir = get_option('driverdir')

if driverdir == ''

  driverdir = '@0@/@1@/@2@'.format(get_option('prefix'), get_option('libdir'), 'dri')

endif

configinc = include_directories('.')

cc = meson.get_compiler('c')

dl_dep = cc.find_library('dl', required : false)

libdrm_dep = dependency('libdrm', version : '>= 2.4')

WITH_DRM = not get_option('disable_drm')

WITH_X11 = false

if get_option('with_x11') != 'no'

  x11_dep = dependency('x11', required : get_option('with_x11') == 'yes')

  xext_dep = dependency('xext', required : get_option('with_x11') == 'yes')

  xfixes_dep = dependency('xfixes', required : get_option('with_x11') == 'yes')

  WITH_X11 = (x11_dep.found() and xext_dep.found() and xfixes_dep.found())

endif

if not WITH_X11 and get_option('with_glx') == 'yes'

  error('VA/GLX explicitly enabled, but VA/X11 isn\'t built')

endif

WITH_GLX = false

if WITH_X11 and get_option('with_glx') != 'no'

  gl_dep = dependency('gl', required : get_option('with_glx') == 'yes')

  WITH_GLX = gl_dep.found()

endif

WITH_WAYLAND = false

if get_option('with_wayland') != 'no'

  wayland_dep = dependency('wayland-client', version : '>= 1.11.0',

			   required : get_option('with_wayland') == 'yes')

  if wayland_dep.found()

    prefix = wayland_dep.get_pkgconfig_variable('prefix')

    wl_scanner = find_program('wayland-scanner',

			      prefix + '/bin/wayland-scanner')

  endif

  WITH_WAYLAND = wayland_dep.found()

endif

va_c_args = []

if get_option('enable_va_messaging')

  va_c_args += ['-DENABLE_VA_MESSAGING=1']

endif

# Symbol visibility

if cc.has_argument('-fvisibility=hidden')

  va_c_args += ['-DHAVE_GNUC_VISIBILITY_ATTRIBUTE']

endif

if (not WITH_DRM and not WITH_X11 and not WITH_WAYLAND)

  error('Please install at least one backend dev files (DRM, X11, Wayland)')

endif

subdir('va')

subdir('pkgconfig')

doxygen = find_program('doxygen', required: false)

if get_option('enable_docs') and doxygen.found()

  subdir('doc')

endif