Mercurial > octave-nkf
changeset 19488:8dbd55742112 stable
Prevent segfault when video card has insufficient OpenGL support (bug #41747).
* __init_fltk__.cc: Check canvas->can_do () before trying to display plot.
| author | Andreas Weber <andy.weber.aw@gmail.com> |
|---|---|
| date | Thu, 01 Jan 2015 18:47:36 -0800 |
| parents | 93dd3457eef9 |
| children | 17f5db3a9149 446c46af4b42 |
| files | libinterp/dldfcn/__init_fltk__.cc |
| diffstat | 1 files changed, 3 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/libinterp/dldfcn/__init_fltk__.cc Mon Dec 29 11:13:40 2014 +0100 +++ b/libinterp/dldfcn/__init_fltk__.cc Thu Jan 01 18:47:36 2015 -0800 @@ -929,7 +929,9 @@ void show_canvas (void) { - if (fp.is_visible ()) + if (! canvas->can_do ()) + error ("unable to plot due to insufficient OpenGL support"); + else if (fp.is_visible ()) { canvas->show (); canvas->make_current ();