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package("optix")
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set_homepage("https://developer.nvidia.com/optix")
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set_description("NVIDIA OPTIX™ RAY TRACING ENGINE")
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on_fetch(function (package, opt)
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if opt.system then
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import("lib.detect.find_path")
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import("core.base.semver")
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local paths = {"$(env OptiX_ROOT)"}
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if package:is_plat("windows") then
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for _, dir in ipairs(os.dirs("$(env PROGRAMDATA)/NVIDIA Corporation/OptiX SDK *.*.*")) do
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if package:version_str() == "latest" or semver.satisfies(dir:match("OptiX SDK (%d+%.%d+%.%d+)"), package:version_str()) then
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table.insert(paths, dir)
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end
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end
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end
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local inc = find_path("optix.h", paths, {suffixes = "include"})
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if inc then
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local result = {includedirs = {inc}}
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local content = io.readfile(path.join(inc, "optix.h"))
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local version_str = content:match("OPTIX_VERSION (%d+)\n")
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if version_str then
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local version_num = tonumber(version_str)
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local version = format("%s.%s.%s", math.floor(version_num/10000), math.floor(version_num%10000/100), version_num%100)
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result.version = version
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end
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return result
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end
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end
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end)
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