Re: how to force display refresh of drawing area?

[明覺 <shi minjue gmail com>]

2009/5/24 明覺 <shi minjue gmail com>:
> I have a gtkglextmm app which displays a rotating 3d surface. On the
> same machine I installed a debian linux and a windows vista, the app
> displays smoothly in debian, but in vista, there seems to be some
> caching of the display, which means, if I add many cout<<"string" in
> my application, the 3d display area gets freshed when the cout strings
> reach a certain amount, but if I don't add those cout in my app, the
> 3d surface will not appear untill I switchs tab pages(the 3d area is
> in one of a tab page). So I guess there must be some display cache in
> the windows system, how could I force flushing the display so that my
> 3d surface can be displayed normally? thanks

some additional info is the same app runs smoothly in another windows
vista with intel integrated video card, so maybe it's caused by the
nvidia video driver.

>
> --
> 我的操?系統是Gnu/Linux Debian/gNewSense Gnome Mozilla Gmail/Evolution
> Gtkmm/Gtkglextmm Scim Totem Pidgin.
>



-- 
我的操?系統是Gnu/Linux Debian/gNewSense Gnome Mozilla Gmail/Evolution
Gtkmm/Gtkglextmm Scim Totem Pidgin.