gentoo-overlay/media-gfx/meshlab/files/1.3.3/meshrender.patch

--- meshlab/src/meshlabplugins/render_gdp/meshrender.cpp	2014-02-07 10:38:28.000000000 +0100
+++ meshlab/src/meshlabplugins/render_gdb/meshrender.cpp	2015-11-15 22:17:39.848179962 +0100
@@ -36,8 +36,11 @@
 	/*QAction * qaNone = new QAction("None", this); 
 	qaNone->setCheckable(false);
 	actionList << qaNone;*/
-
+#if defined(Q_OS_LINUX)
+	QDir shadersDir = QDir("/usr/share/meshlab");
+#else
 	QDir shadersDir = QDir(qApp->applicationDirPath());
+#endif
 #if defined(Q_OS_WIN)
 	if (shadersDir.dirName() == "debug" || shadersDir.dirName() == "release" || shadersDir.dirName() == "plugins"  )
 		shadersDir.cdUp();