evel_8h.html#a888e0c50df09fc78a88844abfbf23f97">NVTT_API</a> bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structnvtt_1_1_cube_surface.html#acdf0f2e1e156b6d184e886f13b8f9061">isNull</a> () const </td></tr>
<tr class="memdesc:acdf0f2e1e156b6d184e886f13b8f9061"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns if this <a class="el" href="structnvtt_1_1_cube_surface.html" title="A CubeSurface is one level of a cube map texture. ">CubeSurface</a> is null (i.e. has no 