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Checking for extensions</h3>
<p>A given machine may not actually support the extension (it may have older drivers or a graphics card that lacks the necessary hardware features), so it is necessary to check at run-time whether the context supports the extension. This is done with <a class="el" href="group__context.html#ga87425065c011cef1ebd6aac75e059dfa">glfwExtensionSupported</a>.</p>
<div class="fragment"><div class="line"><span class="keywordflow">if</span> (<a class="code" href="group__context.html#ga8