xash3d-fwgs/ref_vk/wscript

#! /usr/bin/env python
# encoding: utf-8
# mittorn, 2018

from waflib import Logs
import os

top = '.'

def options(opt):
	grp = opt.add_option_group('ref_vk options')

	grp.add_option('--disable-vulkan', action='store_false', dest='VK', default=True,
		help = 'disable vulkan [default: vulkan is enabled]')

	grp.add_option('', '--aftermath', action='store', dest = 'NSIGHT_AFTERMATH_SDK', default = None,
		help = 'Path to Nvidia Nsight Aftermath SDK (optional)')

def configure(conf):
	# check for dedicated server build
	if conf.options.DEDICATED:
		return

	conf.env.VK = conf.options.VK

	if not conf.env.VK:
		return

	conf.load('glslc')
	conf.define('REF_DLL', 1)

	if conf.env.DEST_OS == 'win32':
		conf.start_msg('Vulkan SDK available?')
		if not 'VULKAN_SDK' in conf.environ:
			Logs.warn('VULKAN_SDK environment variable is not available, ref_vk will not be built')
			conf.end_msg('no')
		conf.env.VULKAN_SDK = conf.environ['VULKAN_SDK']
		conf.end_msg('found at ' + conf.env.VULKAN_SDK)

	if conf.options.NSIGHT_AFTERMATH_SDK:
		conf.start_msg('Nvidia Nsight Aftermath SDK')
		conf.env.HAVE_AFTERMATH = 1
		path = conf.options.NSIGHT_AFTERMATH_SDK
		conf.env.INCLUDES_AFTERMATH = [os.path.abspath(os.path.join(path, 'include'))]
		libdir = 'lib'
		lib = 'GFSDK_Aftermath_Lib'
		if conf.env.COMPILER_CC == 'msvc':
			if conf.env.DEST_CPU == 'x86_64':
				libdir = 'lib/x64'
				lib += '.x64'
			else:
				libdir = 'lib/' + conf.env.DEST_CPU
				lib += conf.env.DEST_CPU
		libdir = os.path.abspath(os.path.join(path, libdir))
		conf.env.LIBPATH_AFTERMATH = [libdir]
		conf.env.LIB_AFTERMATH = [lib]
		conf.end_msg('SDK: {0}, includes: {1}, libpath: {2}, lib: {3}'.format(path, conf.env.INCLUDES_AFTERMATH, conf.env.LIBPATH_AFTERMATH, conf.env.LIB_AFTERMATH))

	# TODO if debug
	conf.env.GLSLCFLAGS += ['-g']

def build(bld):
	if not bld.env.VK:
		return

	libs = [ 'public', 'M' ]
	defines = []
	libpath = []

	source = bld.path.ant_glob(['*.c'])
	glsl_source = bld.path.ant_glob(['shaders/*.vert', 'shaders/*.frag', 'shaders/*.comp'])

	includes = ['.',
		'../engine',
		'../engine/common',
		'../engine/server',
		'../engine/client',
		'../public',
		'../common',
		'../pm_shared' ]

	if bld.env.DEST_OS == 'win32':
		includes.append(bld.env.VULKAN_SDK + '\\Include')

	if bld.env.HAVE_AFTERMATH:
		defines.append('USE_AFTERMATH')
		libs.append('AFTERMATH')

	#FIXME bld.env.CFLAGS += ["/WX"]

	bld.shlib(
		source   = source,
		target   = 'ref_vk',
		features = 'c',
		includes = includes,
		use      = libs,
		defines  = defines,
		libpath  = libpath,
		install_path = bld.env.LIBDIR,
		subsystem = bld.env.MSVC_SUBSYSTEM
	)

	bld(
		source = glsl_source,
		features = 'glsl',
		# includes = 'shaders/', # write your includes here
		# defines = 'TEST', # write your C preprocessor defines here
		install_path = bld.env.LIBDIR + '/valve' # FIXME TEMPORARY!!!!
	)