tives, beginning with element
        <em class="parameter"><code>first</code></em>.
        <em class="parameter"><code>mode</code></em>
        specifies what kind of primitives are constructed, and how the
        array elements construct those primitives. If
        <code class="constant">GL_VERTEX_ARRAY</code>
        is not enabled, no geometric primitives are generated.</p><p>Vertex attributes that are modified by
        <code class="function">glDrawArrays</code> have an unspecified value after
    