ANGLE/MetalANGLE:
    // Copyright 2018 The ANGLE Project Authors.
    // All rights reserved.
    //
    // Redistribution and use in source and binary forms, with or without
    // modification, are permitted provided that the following conditions
    // are met:
    //
    //     Redistributions of source code must retain the above copyright
    //     notice, this list of conditions and the following disclaimer.
    //
    //     Redistributions in binary form must reproduce the above
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    //     Ltd., nor the names of their contributors may be used to endorse
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