The open source OpenXR runtime
scripts: Allow expressing "or" and "not" in conditions for exposing extensions.
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-1
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scripts/generate_oxr_ext_support.py
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scripts/generate_oxr_ext_support.py
···
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# Each extension that we implement gets an entry in this tuple.
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# Each entry should be a list of defines that are checked for an extension:
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# the first one must be the name of the extension itself.
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# The second and later items might be modified using or_() and not_().
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# Keep sorted, KHR, EXT, Vendor, experimental (same order).
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EXTENSIONS = (
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['XR_KHR_android_create_instance', 'XR_USE_PLATFORM_ANDROID'],
···
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['XR_MNDX_force_feedback_curl'],
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)
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+
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def or_(*args):
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"""
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Create an "OR" in the definition condition list.
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Takes any number of strings directly or through e.g. "not_".
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"""
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return "({})".format(" || ".join(_add_defined(s) for s in args))
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def not_(s):
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"""
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Create a "NOT" in the condition list.
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Takes a single string, directly or through e.g. "or_".
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"""
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return "(!{})".format(_add_defined(s))
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def _add_defined(s):
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if "defined" in s:
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return s
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return "defined({})".format(s)
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ROOT = Path(__file__).resolve().parent.parent
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FN = ROOT / 'src' / 'xrt'/'state_trackers' / 'oxr' / 'oxr_extension_support.h'
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···
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ext_name = data[0]
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trimmed_name = trim_ext_name(ext_name)
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upper_name = trimmed_name.upper()
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condition = " && ".join("defined({})".format(x) for x in data)
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condition = " && ".join(_add_defined(x) for x in data)
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parts.append(f"""
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/*