[Lazarus] GLScene in Gtk2 - patch

[Luiz Americo Pereira Camara]

Lord Satan wrote:
> On Sat, 18 Oct 2008 17:58:05 +0100
> Paulo Malheiros <paulo.malheiros at fe.up.pt> wrote:
>
>   
>> In Lazarus svn 15362 Mattias changed "gtk_widget_set_double_buffered"  
>> from False to True (with decription "gtk2 intf: moved doublebuffering  
>> from synedit to gtk2 as this is faster since gtk2.12"), is this really  
>> needed?
>>     
>
> IMHO yes. Speeding up synedit is always a good idea. I think the problem is that OpenGL contexts should not be double buffered by gtk.
> OpenGL does the buffering (single, double, triple, quad) itself depending on user choice and hardware support. Therefor any OpenGL widgets should only be single buffered by the widget set.
> I don't know anything about gtk so I cannot help, but it would be nice if you could just disable doublebuffering for single widgets.
> Does any gtk expert know if this is possible? 
>   

gtk_widget_set_double_buffered(YourGtkWidgetHandle, False);

Luiz