On 27/07/2015 11:47 AM, scott wrote:
> As highlighted on that page, the main problem is that every single pixel
> runs exactly the same code with the same inputs (apart from pixel
> coordinate). So you need some way of making every pixel generate a bunch
> of random numbers that are in no way related to any other pixels in the
> image (otherwise you get strange patterns like you saw with your 1
> sample image).

I wonder how long before GPU gets a hardware-based randomness source? 
(It can't be that hard to sample a little thermal noise in hardware, 
especially if you don't need cryptographic strength. The problem is 
usually that hardware randomness sources are a tad slow...)

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