- add (_("OpenGL version"), true);
- add (std_to_wx((char const *) glGetString(GL_VERSION)), false);
+ shared_ptr<FilmViewer> viewer = weak_viewer.lock ();
+ GLVideoView const * gl = viewer ? dynamic_cast<GLVideoView const *>(viewer->video_view()) : 0;
+
+ if (!gl) {
+ add (_("OpenGL version"), true);
+ add (_("unknown (OpenGL not enabled in DCP-o-matic)"), false);
+ } else {
+ add (_("OpenGL version"), true);
+ char const * v = (char const *) glGetString (GL_VERSION);
+ if (v) {
+ add (std_to_wx(v), false);
+ } else {
+ add (_("unknown"), false);
+ }
+ add (_("vsync"), true);
+ add (gl->vsync_enabled() ? _("enabled") : _("not enabled"), false);
+ }