# Client examples are now available from a separate repository,
# https://gitlab.freedesktop.org/wlroots/wlr-clients
project(
        'wlroots-examples',
        'c',
        meson_version: '>=0.58.0',
        default_options: [
                'c_std=c11',
                'warning_level=2',
                'werror=false',
        ],
)

cc = meson.get_compiler('c')
add_global_arguments('-DWLR_USE_UNSTABLE', language : 'c')

cairo = dependency('cairo')
drm = dependency('libdrm')
egl = dependency('egl')
glesv2 = dependency('glesv2')
# Only needed for drm_fourcc.h
libdrm = dependency('libdrm').partial_dependency(compile_args: true, includes: true)
wayland_client = dependency('wayland-client')
wayland_egl = dependency('wayland-egl')
wayland_protos = dependency('wayland-protocols', version: '>=1.27')
wayland_scanner_dep = dependency('wayland-scanner', native: true)
wayland_scanner = find_program(
	wayland_scanner_dep.get_variable('wayland_scanner'),
	native: true,
)
wayland_server = dependency('wayland-server')
wlroots = dependency('wlroots', version: ['>=0.17.0', '<0.18.0'])
xkbcommon = dependency('xkbcommon')

wl_protocol_dir = wayland_protos.get_variable('pkgdatadir')

protocols = {
	# Stable upstream protocols
	'xdg-shell': wl_protocol_dir / 'stable/xdg-shell/xdg-shell.xml',

	# Unstable upstream protocols
	'fullscreen-shell-unstable-v1': wl_protocol_dir / 'unstable/fullscreen-shell/fullscreen-shell-unstable-v1.xml',
}

protocols_code = {}
protocols_server_header = {}
protocols_client_header = {}

foreach name, path : protocols
	code = custom_target(
		name.underscorify() + '_c',
		input: path,
		output: '@BASENAME@-protocol.c',
		command: [wayland_scanner, 'private-code', '@INPUT@', '@OUTPUT@'],
	)

	server_header = custom_target(
		name.underscorify() + '_server_h',
		input: path,
		output: '@BASENAME@-protocol.h',
		command: [wayland_scanner, 'server-header', '@INPUT@', '@OUTPUT@'],
	)

	client_header = custom_target(
		name.underscorify() + '_client_h',
		input: path,
		output: '@BASENAME@-client-protocol.h',
		command: [wayland_scanner, 'client-header', '@INPUT@', '@OUTPUT@'],
		build_by_default: false,
	)

	protocols_code += { name: code }
	protocols_server_header += { name: server_header }
	protocols_client_header += { name: client_header }
endforeach


compositors = {
	'simple': {
		'src': 'simple.c',
	},
	'pointer': {
		'src': 'pointer.c',
	},
	'touch': {
		'src': ['touch.c', 'cat.c'],
	},
	'tablet': {
		'src': 'tablet.c',
	},
	'rotation': {
		'src': ['rotation.c', 'cat.c'],
	},
	'output-layout': {
		'src': ['output-layout.c', 'cat.c'],
	},
	'fullscreen-shell': {
		'src': 'fullscreen-shell.c',
		'proto': ['fullscreen-shell-unstable-v1'],
	},
	'scene-graph': {
		'src': 'scene-graph.c',
		'proto': ['xdg-shell'],
	},
	'output-layers': {
		'src': 'output-layers.c',
		'proto': [
			'xdg-shell',
		],
	},
	'cairo-buffer': {
		'src': 'cairo-buffer.c',
		'dep': cairo,
	},
	'embedded': {
		'src': [
			'embedded.c',
			protocols_code['xdg-shell'],
			protocols_client_header['xdg-shell'],
		],
		'dep': [wayland_client, wayland_egl, egl, glesv2],
	},
}

foreach name, info : compositors
	extra_src = []
	foreach p : info.get('proto', [])
		extra_src += protocols_server_header[p]
	endforeach

	executable(
		name,
		[info.get('src'), extra_src],
		dependencies: [libdrm, wlroots, wayland_server, xkbcommon, info.get('dep', [])],
	)
endforeach