Re: [GtkGLExt] What's the difference between GtkGlExt's own buffer-swapping and Gdk's ...

[Jack Chen <jacks_small_world yahoo com>]

 --- Alif Wahid <alif wahid gmail com> wrote: 
> Hi Jack,
> 
> > What is the difference between GtkGlExt's
> front-back-buffer-swapping in
> > double buffering mode, and Gdk's method by creating the GdkPixmap
> > first, rendering an image to the pixmap, then copying the data in
> the
> > pixmap to the widget->window?
> 
> GtkGLExt manipulates the OpenGL framebuffer. That is physically
> separate from the backing store created by Gdk (in the form of a
> GdkPixmap). The idea behind both is pretty much the same. OpenGL
> switches the two buffers around at the start of each refresh cycle.
> Gdk on the other hand draws everything on pixmap first to reduce
> flickering.
> 
> Regards,
> 
> Alif.
> 
> -- 
> "Heaven is the peaceful place on earth...New Zealand."
>      -- Alif Wahid.
>  

Hi, Alif, thank you.

So which method is faster?

Jack

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