On 24/07/2015 06:57 PM, scott wrote:
> Hmmm odd, I wonder why that is. I just tested it on my work PC (nVidia
> Quadro something) and it worked ok.
>
> Maybe it's something to do with the length of the shader? You could try
> reducing the number of samples down to 1 (line 39) and the trace depth
> down to 2 or something (line 118), that should make the shader much
> shorter.

I too was able to get this working by turning down the number of samples 
and the trace depth.

I also doubled the size of the image, so I can see what I'm looking at. 
(It seems to not like any size that isn't a power of 2. Then again, I 
have no idea how this stuff works, so...)

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