On Mon, Oct 21, 2002 at 10:06:13AM -0600, Jens Owen wrote:
> Ian Romanick wrote:
> > On Sun, Oct 20, 2002 at 05:09:08PM -0600, Jens Owen wrote:
> >>Making a direct rendering 3D driver render to a windows backing store 
> >>area is a complicated task with very little benefit, IMO.
> > 
> > Right, but shouldn't purely 2D targets work?  I wouldn't think that the
> > menus in twm are using OpenGL. :)  At the very least, if it's not supported
> > at all, when X is started with +bs, shouldn't it say just say no?  That's
> > the problem that I see.  The user requests a feature, X says it's okay, but
> > then it's not implemented.
> 
> TWM isn't a good example, because it can efficiently handle expose 
> events without the klunky backingstore feature enabled.  Granted, there 
> exists a small subset of applications that benefit from backing store, 
> but it's a very small set in my experience.  Most of the 2D applications 
> that can't handle redraws can often achieve the same effect by rendering 
> to pixmaps.

I was just using that as an example the shows the bug I saw.  With '+bs' on
Radeon, the (left-mouse-click) menu is blank until you move the mouse
pointer over each of the menu items.

> Would disabling the DRI when backingstore is enabled give the semantic 
> consistency you're looking for?  I don't have a problem with that, 
> because 99.99% of the users don't need backing store enabled.

I don't think that would help.  I commented out the 'Load "dri"' and 'Load
"glx"' lines from my XF86Config file and got the same behavior.

-- 
Smile!  http://antwrp.gsfc.nasa.gov/apod/ap990315.html
_______________________________________________
Xpert mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/xpert

Reply via email to