Re: [Bug-gnubg] More or less unresolved problems before an upcoming release

[Christian Anthon]

On Thu, Feb 21, 2008 at 10:16 PM, Jonathan Kinsey
<address@hidden> wrote:
> Christian Anthon wrote:
>  > Hi All,
>
> >
>  > c1) clicking on the 3dboard doesn't always work, especially bad under
>  > vista with radeon mobility graphic cards, but I'm suffering from the
>  > same problem under Linux. The problem is that the pieces are redrawn
>  > to check if they have been clicked and that takes up to 1sec under
>  > windows vista with aforementioned cards. I'm not sure if it's needed
>  > to redraw the pieces, seems to work fine without.
>
>  The screen isn't redrawn, a simplified scene is rendered off screen to detect
>  what was clicked.  That being said it does use the same display list for the
>  pieces, a slightly less accurate "piece" could be drawn which would be 
> quicker,
>  the reason I didn't bother is because this off screen "drawing" is very 
> quick.
>
>  The fact it occasionally takes a long time to do this is likely a problem 
> with
>  the graphics driver, but maybe there is something that could be done in the
>  code.  It's difficult for me to try anything as I don't get the problem, 
> maybe
>  when I get a machine with Vista on it I might be able to reproduce it.
>

Yeah, I'm guessing that it's a driver issue as well. In particular as
it happens under both vista and linux with the same card (vista being
far the worst). If I comment out the lines 2262-2269 in drawboard3d.c
everything is working fine as far as I can tell.

Christian.