|  | Copyright (c) 2017 The Khronos Group Inc. | 
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|  | 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 | 
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|  | http://www.apache.org/licenses/LICENSE-2.0 | 
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|  | Unless required by applicable law or agreed to in writing, software | 
|  | distributed under the License is distributed on an "AS IS" BASIS, | 
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|  | See the License for the specific language governing permissions and | 
|  | limitations under the License. | 
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|  | Copyright (c) 2013-2017 The Khronos Group Inc. | 
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|  | Permission is hereby granted, free of charge, to any person obtaining a | 
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|  | The above copyright notice and this permission notice shall be included | 
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|  | THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | 
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