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Resent-Date: Tue, 20 Sep 2011 10:02:33 +0100
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From: Peter Clifton <pcjc2 AT cam DOT ac DOT uk>
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Subject: Re: gEDA-user: windows and opengl
Resent-From: Peter Clifton <pcjc2 AT cam DOT ac DOT uk>
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Date: Tue, 20 Sep 2011 10:02:13 +0100
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On Sun, 2011-09-18 at 19:06 -0400, DJ Delorie wrote:
> > Is there a serious road block?=20
>=20
> Yes - the code just doesn't work.  The PCB window is very messed up,
> including no menus or sidebar and a misaligned crosshair.

What environment are you testing under for that?

For me, it works (with the GTK patches), the only misalignment or visual
glitch I see is where the crosshair is immediately underneath the mouse
pointer "icon".

Aside from the minor problem under the cursor, I do see a crash when
certain polygons are drawn. That is a show-stopper for now. The crash
isn't present on my pcb+gl_experimental branch, so I'm assuming it is
related to the GLU tesselator code tripping over some "bad" input.

The same input on Linux doesn't cause any issue, but it will be using
mesa's GLU code, not (wherever the GLU code from windows comes from).

> > Can I tell potential users that this will most likely be rectified
> > on a reasonable time frame -- Say in, in a few months?
>=20
> Officially, no - it's our policy to not make such predictions, but if
> you want to fix it yourself in the next few months, you may promise
> them that.  Otherwise, we'll work on it if/when we get a chance and it
> will get fixed when it's fixed.

I could provide a build of one of my branches which (hopefully) doesn't
contain the crash. I'll need to select a suitable commit though, as the
layer opacity changes I've got in those branches are obviously not right
yet.

This would be an unofficial release, and will likely be less maintained
with regard to bugs than the official PCB one. (I just don't have a good
development setup for Windows).

Best wishes,

--=20
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)
Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)

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