[Therion] Loch 5.3.8 not displaying models on Debian wheezy

[Wookey]

+++ Andrew Atkinson [2011-11-10 18:40 +0000]:
> It is not hardware, again my only real memory of exact occurrence is
> going back through the mails before the summer.
> 
> Back in June on ubuntu 11.04 it stopped when I went to 5.3.3.
> 
> Then you (wookey) built 5.3.7 for debian, so I moved to debian, but
> with no luck. I was on the noveau driver then. 5.3.8 appeared
> quickly afterwards, but this did not help and I ran out of time to
> move from noveau driver.
> 
> Well now I have had the time to install the NVIDIA drivers, but has
> not helped. And I am reasonably sure that aven did not work either,
> and it was the upgrade to 1.2 that sorted that, but I would not bet
> my life on it.

I have an nvidia card in my work machine. loch from therion 5.3.8 on
Ubuntu 11.11 (Oneiric) there does not work at all. It dies with a 'bad
drawable' error before displaying anything. I'm using the nouveau
driver. 

I've tried (but failed) to build a debug version to work out what's
going on. I'll try a bit harder, but won't actually be in work again
for the next 2 weeks. I could make a trip to test this I guess.

Commenting out the two gltexture lines which used to make intel cards
blow up does not help, so that's a red herring. 

It feels like we are not initialising the card properly (or VTK
isn't). Ol's double-buffer init suggestion is worth trying, althogh
I'm not sure how that relates to loch as it uses VTK rather than
opengl directly (as I understand it). 

Wookey
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