Re: BadImplementation X Window System error with GTK+ 2.6.1

[Albert Chin <gtk-devel-list mlists thewrittenword com>]

On Mon, Jan 17, 2005 at 07:48:56PM -0600, Albert Chin wrote:
> On Mon, Jan 17, 2005 at 05:40:23PM -0600, Albert Chin wrote:
> > If I uncomment:
> >   XSetErrorHandler (gdk_x_error);
> >   XSetIOErrorHandler (gdk_x_io_error);
> > from gdk/x11/gdkmain-x11.c, I get more info on the error:
> >   $ /tmp/test/bin/gtk-demo
> >   X Error of failed request:  BadImplementation (server does not implement operation)
> >     Major opcode of failed request:  152 (RENDER)
> >     Minor opcode of failed request:  10 (RenderTrapezoids)
> >     Serial number of failed request:  487
> >     Current serial number in output stream:  728
> >   X Error of failed request:  BadImplementation (server does not implement operation)
> > 
> > Displaying to an X server without the RENDER extension works fine.
> 
> Ok, the error is coming from this call in gdk/x11/gdkdrawable-x11.c:
>   XRenderCompositeTrapezoids (x11display->xdisplay, PictOpOver,
>                               _gdk_x11_gc_get_fg_picture (gc),
>                               XftDrawPicture (draw),
>                               x11display->mask_format,
>                               - gc->ts_x_origin, - gc->ts_y_origin,
>                               xtrapezoids, n_trapezoids);

Is it possible to query the RENDER extension to determine if it
supports the RenderTrapezoids request? I could then augment
_gdk_x11_have_render(). I haven't a clue about how to do this though.

-- 
albert chin (china thewrittenword com)