+ * Create a new rendering context when the user opens a new window?
+ */
+#define GLUT_CREATE_NEW_CONTEXT 0
+#define GLUT_USE_CURRENT_CONTEXT 1
+
+/*
+ * Direct/Indirect rendering context options (has meaning only in Unix/X11)
+ */
+#define GLUT_FORCE_INDIRECT_CONTEXT 0
+#define GLUT_ALLOW_DIRECT_CONTEXT 1
+#define GLUT_TRY_DIRECT_CONTEXT 2
+#define GLUT_FORCE_DIRECT_CONTEXT 3
+
+/*