GLX_DEPTH_SIZE, 1,
None};
XVisualInfo *xvinfo = glXChooseVisual(xdisplay, nscreen, attribs);
+ if (!xvinfo)
+ g_error("GtkGl: enable - unable to get valid OpenGL Visual");
GLXContext context = glXCreateContext(xdisplay, xvinfo, NULL, False);
g_object_set_data(G_OBJECT(widget), "glcontext", context);