__init__.py 文件源码

def update_extensions(self):
        self.ext_prop_to_exporter_map = {ext.ext_meta['name']: ext for ext in self.ext_exporters}

        for exporter in self.ext_exporters:
            exporter.ext_meta['enable'] = False
        for prop in self.extension_props:
            exporter = self.ext_prop_to_exporter_map[prop.name]
            exporter.ext_meta['enable'] = prop.enable

        self.extension_props.clear()
        for exporter in self.ext_exporters:
            prop = self.extension_props.add()
            prop.name = exporter.ext_meta['name']
            prop.enable = exporter.ext_meta['enable']

            if exporter.ext_meta['name'] == 'KHR_technique_webgl':
                prop.enable = Version(self.asset_version) < Version('2.0')