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--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author xq114
-- @file find_vulkansdk.lua
--
-- imports
import("core.project.config")
import("lib.detect.find_file")
import("lib.detect.find_path")
import("lib.detect.find_library")
import("lib.detect.find_programver")
import("lib.detect.find_package")
-- find vulkan from paths
function _find_vulkan_from_paths(paths, opt)
opt = opt or {}
local arch = opt.arch or config.arch() or os.arch()
local plat = opt.plat or config.plat() or os.host()
local binsuffix = ((is_host("windows") and arch == "x86") and "bin32" or "bin")
local libname = (is_host("windows") and "vulkan-1" or "vulkan")
local libsuffix = ((is_host("windows") and arch == "x86") and "lib32" or "lib")
-- find library
local result = {links = {}, linkdirs = {}, includedirs = {}}
local linkinfo = find_library(libname, paths, {suffixes = {libsuffix}, plat = plat})
if linkinfo then
result.sdkdir = path.directory(linkinfo.linkdir)
result.bindir = path.join(result.sdkdir, binsuffix)
table.insert(result.linkdirs, linkinfo.linkdir)
table.insert(result.links, libname)
else
-- not found?
return
end
-- find headers
local incdir = find_path(path.join("vulkan", "vulkan.h"), paths, {suffixes = {"include"}})
if incdir then
table.insert(result.includedirs, incdir)
else
-- not found?
return
end
-- find api version
local vkinfo
if is_host("windows") then
if arch == "x86" then
vkinfo = find_file("vulkaninfoSDK.exe", paths, {suffixes = {"bin32"}})
else
vkinfo = find_file("vulkaninfoSDK.exe", paths, {suffixes = {"bin"}})
end
elseif is_host("linux") then
vkinfo = find_file("vulkaninfo", paths, {suffixes = {"bin"}})
end
if vkinfo then
local apiver = find_programver(vkinfo, {command = "--summary", parse = "Vulkan Instance Version: (%d+%.%d+%.%d+)"})
result.apiversion = apiver
end
return result
end
-- find vulkan from system
function _find_vulkan_from_system(opt)
local result = find_package("pkgconfig::vulkan", table.join({version = true}, opt))
if result then
result.apiversion = result.version
result.version = nil
if not result.apiversion then
local apiver = find_programver("vulkaninfo", {command = "--summary", parse = "Vulkan Instance Version: (%d+%.%d+%.%d+)"})
result.apiversion = apiver
end
end
return result
end
-- find vulkansdk
--
-- @param opt the package options. e.g. see the options of find_package()
--
-- @return see the return value of find_package()
--
function main(opt)
local paths = {
"$(env VK_SDK_PATH)",
"$(env VULKAN_SDK)"
}
local result = _find_vulkan_from_paths(paths, opt)
if not result then
result = _find_vulkan_from_system(opt)
end
if not result and is_host("linux") then
-- we attempt to find vulkan from /usr, e.g. /usr/include/vulkan/vulkan.h
paths = {"/usr", "/usr/local"}
result = _find_vulkan_from_paths(paths, opt)
end
return result
end
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