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Re: Glitch Pictures anyone?

Posted: Thu Jul 14, 2016 5:42 pm
by patlefort
It's possible to not fail affine transformation for a sphere if you transform the ray into the local coordinate of the sphere.

Re: Glitch Pictures anyone?

Posted: Fri Jul 15, 2016 11:50 am
by papaboo
It is, but then he wouldn't have rendered a glitch picture. :)

Re: Glitch Pictures anyone?

Posted: Thu Jan 05, 2017 5:58 pm
by T.C. Chang
After a bad refactor of my simple path tracer :shock:
bad refactor cornell box.png
bad refactor cornell box.png (427.77 KiB) Viewed 2532 times

Re: Glitch Pictures anyone?

Posted: Tue Feb 07, 2017 9:39 pm
by stefan
How to not optimise CUDA BVH traversal.
Screen Shot 2016-06-03 at 13.55.15.jpg
Screen Shot 2016-06-03 at 13.55.15.jpg (179.11 KiB) Viewed 2472 times

Re: Glitch Pictures anyone?

Posted: Thu Feb 09, 2017 3:54 pm
by toxie
spooky, but also extremely artsy..

Re: Glitch Pictures anyone?

Posted: Fri Feb 10, 2017 12:04 pm
by stefan
Lesson learnt: When you want all threads in a warp to participate in a memory fetch (see Tony Scudiero's GTC presentation "Memory boot camp III"), first make sure all threads are active.

Re: Glitch Pictures anyone?

Posted: Thu Apr 20, 2017 5:20 am
by patlefort
Image

Fail trying to use sobol sequences with bidirectional path-tracing.

Re: Glitch Pictures anyone?

Posted: Sat Apr 29, 2017 2:38 am
by beason
toxie wrote:spooky, but also extremely artsy..



Agreed. Quite nice effect! Suitable for stylish avatar pic.

Re: Glitch Pictures anyone?

Posted: Sat May 13, 2017 4:19 pm
by jbikker
Trying to implement 'Irregular grids'. Almost there. :)

Re: Glitch Pictures anyone?

Posted: Wed May 17, 2017 5:17 am
by ziu
jbikker wrote:Trying to implement 'Irregular grids'. Almost there. :)


Heh. I have seen much worse than that. In case you need someone to talk with about this we published a couple of articles on gpgpu rectilinear grids some time back. If you eventually publish something with grids I would be interested to look at it.