eral">&quot;}\n&quot;</span>;</div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* fragment_shader_text =</div><div class="line"><span class="stringliteral">&quot;#version 110\n&quot;</span></div><div class="line"><span class="stringliteral">&quot;varying vec3 color;\n&quot;</span></div><div class="line"><span class="stringliteral">&quot;void main()\n&quot;</span></div><div class="line"><span class="strin