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<p>clear background </p>

<p>Implements <a class="el" href="classOpenGLWindow.html#add04ac504dabc486b3847b107e8f1384">OpenGLWindow</a>.</p>

<p>Definition at line <a class="el" href="viewport_8cpp_source.html#l00198">198</a> of file <a class="el" href="viewport_8cpp_source.html">viewport.cpp</a>.</p>

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